CN117122886B - Human body tension testing device - Google Patents
Human body tension testing device Download PDFInfo
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- CN117122886B CN117122886B CN202310526478.7A CN202310526478A CN117122886B CN 117122886 B CN117122886 B CN 117122886B CN 202310526478 A CN202310526478 A CN 202310526478A CN 117122886 B CN117122886 B CN 117122886B
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- 239000000725 suspension Substances 0.000 claims abstract description 13
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- 239000007924 injection Substances 0.000 claims description 12
- 238000009864 tensile test Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0669—Score-keepers or score display devices
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/068—User-manipulated weights using user's body weight
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
- A63B2071/0081—Stopping the operation of the apparatus
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/51—Force
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a human body tension testing device. The technical key points are as follows: the invention relates to a testing device, which comprises a base, a motor, a stand column, a testing pull rod, a rope, a tension sensor, a controller and a display screen, wherein the stand column is provided with a lifting groove, lifting blocks are arranged in the lifting groove, two ends of each lifting block are connected with the testing pull rod, lifting components are arranged in the lifting groove, a suspension spring is arranged at the lower end of each lifting component, the lower end of each suspension spring is fixedly connected with the lifting blocks, a positioning groove is arranged on the stand column and communicated with the lifting groove, a positioning seat is arranged in each positioning groove, one end of each positioning seat is provided with a positioning rod, one end of each positioning rod, which is far away from the positioning seat, is provided with a positioning plate, one end of each positioning plate is connected with the positioning rod, and the other end of each positioning plate is provided with a locking component.
Description
Technical Field
The invention relates to the field of human body tension testing equipment, in particular to a human body tension testing device.
Background
The resistance strain type tension sensor measures the deformation of the elastic body under the action of external force by means of a resistance strain gauge, and then the magnitude of the external force is calculated, and the development of the tension pressure measurement technology tends to be mature. The utility model patent with the prior application number of 20202158018. X discloses a human body tensile force testing device which comprises a frame, a balancing weight, a rope, a shell, a tension sensor, an analog-to-digital conversion module, a tensile force reversing structure and a PC. The housing is fixedly mounted on the frame. The balancing weight is placed on the frame. The first end of the tension sensor is fixedly connected with the balancing weight, and the second end of the tension sensor is connected with the first end of the rope. The second end of the rope bypasses the tension reversing structure and is converted into a horizontal direction and extends out of the shell, and the analog-to-digital conversion module is electrically connected with the tension sensor and converts an analog signal generated by the tension sensor into a digital signal. The PC is electrically connected with the analog-to-digital conversion module, and the data of the analog-to-digital conversion module are acquired, processed and stored and displayed. The utility model has the advantages of simple structure, convenient use, accurate measurement, high equipment stability and the like, and can help a user to perform more targeted training.
However, the weight of the application is not less than 1 ton, which results in the equipment being large in volume, heavy in weight and difficult to carry.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a human body tensile force testing device which is small in size, light in weight and convenient to carry.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a human tensile testing device, includes the base, be equipped with the cavity in the base, be equipped with the motor in the cavity, be equipped with two stands on the base, be equipped with the test pull rod between the two stands, be equipped with the rope between test pull rod and the motor, be equipped with tension sensor on the rope, be equipped with the controller on the stand, the controller is connected with tension sensor, motor, the controller is connected with the display screen, one side that the stand is relative is equipped with the lift groove, the interior sliding connection of lift groove has the lifter, the both ends and the test pull rod of lifter are connected, be equipped with lifting unit in the lift groove, lifting unit is located the upside of lifter, lifting unit's lower extreme is equipped with suspension spring, suspension spring's lower extreme and lifter fixed connection, the stand is equipped with the constant head tank in one side adjacent with the lift groove, be equipped with the positioning seat in the constant head tank, the constant head tank is worn out to the other end, the other end of positioning seat is equipped with the locating lever, the one end of locating lever is equipped with the locating plate and keeps away from, the locating plate is equipped with locking subassembly and locating plate.
As a further improvement of the present invention, the lifting assembly includes:
The positioning column is arranged in the lifting groove, two ends of the positioning column are fixedly connected with the groove wall of the lifting groove, and a movable space is formed between the positioning column and the top end of the lifting groove;
the upper positioning plate is fixedly arranged in the lifting groove and positioned at the lower side of the positioning column;
the lower locating plate is fixedly arranged in the lifting groove and is positioned at the lower side of the upper locating plate and is arranged in parallel with the upper locating plate, and a movable gap is formed between the upper locating plate and the lower locating plate;
The upper locking rod is fixedly arranged in the lifting groove and is positioned on the upper side of the upper positioning plate;
the lower locking rod is fixedly arranged in the lifting groove and positioned at the lower side of the lower positioning plate;
the locking block is arranged in the movable gap in a sliding way, and a locking hole vertically penetrating through the locking block is formed in the locking block;
The reset spring is arranged in the movable gap, one end of the reset spring is connected with the locking block, and the other end of the reset spring is connected with the groove wall of the lifting groove;
The adjusting rope sequentially passes through the lower locking rod, the locking hole, the upper locking rod and the movable space, one end of the adjusting rope is fixedly connected with the suspension spring, the other end of the adjusting rope is fixedly connected with the groove wall of the lifting groove, and a plurality of clamping blocks are arranged on the adjusting rope.
As a further improvement of the invention, a locking groove is arranged at the lower side of one end of the locking block penetrating through the movable gap, the locking groove is used for locking the clamping block, a rope clamping groove is arranged on the groove wall above the locking groove, the rope clamping groove is used for accommodating the adjusting rope, and the locking groove is communicated with the rope clamping groove.
As a further improvement of the invention, the two ends of the test pull rod are respectively provided with a grabbing sleeve, the grabbing sleeves are rotatably connected with the test pull rod, the test pull rod is provided with a contact sheet, the grabbing sleeve is internally provided with a reed, the contact sheet is in contact with the reed, and the contact sheet and the reed are both connected with the controller.
As a further improvement of the invention, the grabbing sleeve is provided with a protection component, and the protection component comprises:
the inner ring of the protection bearing is fixedly connected with the grabbing sleeve;
the upper end of the protection rope is fixedly connected with an outer ring of the protection bearing, and a plurality of protection rings are arranged on the protection rope at intervals;
the connecting rope, the lower extreme and the base fixed connection of connecting rope, the upper end is equipped with the protection hook.
As a further improvement of the invention, the two ends of the test pull rod are provided with anti-slip components, and the anti-slip components comprise:
The anti-slip box is used for placing anti-slip powder and is fixed on the test pull rod;
the injection ring is fixed on the test pull rod and connected with the anti-slip box through a pipeline, and a plurality of injection holes are formed in one end of the injection ring, facing the grabbing sleeve;
The driving air bag is connected with the anti-slip box and is provided with a one-way valve.
As a further improvement of the invention, the grabbing sleeve is provided with a driving vertical plate, the driving vertical plate is provided with a driving transverse plate, and the driving transverse plate extends to the driving air bag and is abutted against the driving air bag.
As a further improvement of the present invention, the locking assembly includes:
the locking bulge is arranged on the positioning plate at one side and is positioned at one side of the positioning plate, which is opposite to the test pull rod;
the locking button is arranged at one end of the locking protrusion, which is far away from the positioning plate;
The locking strip is rotatably arranged on the positioning plate at the other side and is positioned at one side of the positioning plate, which is opposite to the test pull rod;
and the locking groove is arranged at the lower end of the locking strip, and the position of the locking groove corresponds to the position of the locking protrusion.
As a further improvement of the present invention, the positioning rod includes:
one end of the outer rod is rotatably connected with the positioning seat, and the other end of the outer rod is provided with a sliding groove;
the inner rod is connected in the chute in a sliding way, and one end of the inner rod extending out of the chute is fixedly connected with the positioning plate;
The ladder is arranged at the opening of the chute;
the limiting plate is arranged at one end of the inner rod, which is positioned in the chute;
the positioning hole is arranged on the upper side surface of the outer rod and is communicated with the chute;
the positioning bolt is in threaded connection in the positioning hole.
The invention has the beneficial effects that in the testing process, the tester stands on the base, so that the tester can resist the gravity of the tester in the testing process without arranging a large-mass balancing weight, thereby reducing the volume and the weight of the human body tensile force testing device and being convenient for carrying.
Drawings
FIG. 1 is a schematic view of a three-dimensional overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the base and the protection assembly;
FIG. 3 is a schematic view of a lifting assembly;
FIG. 4 is a schematic view of the lift assembly when the adjustment cord is tightened;
FIG. 5 is a schematic perspective view of a locking block;
FIG. 6 is a schematic cross-sectional view of a test pull rod, grip sleeve, contact tab, reed;
FIG. 7 is a schematic view of the construction of the cleat assembly;
FIG. 8 is a schematic view of the structure of the positioning rod;
fig. 9 is a schematic structural view of an electrical connection according to the present invention.
Marking: 1. a base; 11. a cavity; 12. a motor; 13. a rope; 14. a tension sensor; 15. a controller; 16. a display screen; 2. a column; 21. a lifting groove; 211. a lifting block; 212. a suspension spring; 22. a positioning groove; 221. a positioning seat; 222. a positioning rod; 223. a positioning plate; 3. testing a pull rod; 301. a contact; 31. a grabbing sleeve; 311. a reed; 4. a lifting assembly; 41. positioning columns; 411. a movable space; 42. an upper positioning plate; 43. a lower positioning plate; 44. a clearance gap; 45. an upper locking lever; 46. a lower locking lever; 47. a locking block; 471. a locking hole; 472. a locking groove; 473. rope clamping grooves; 48. a return spring; 49. an adjusting rope; 491. a clamping block; 5. a locking assembly; 51. a locking protrusion; 52. a lock button; 53. a locking bar; 531. a locking groove; 6. a protection component; 61. protecting the bearing; 62. a protective rope; 621. a protective ring; 63. a connecting rope; 631. a protective hook; 7. an anti-slip assembly; 71. an anti-slip box; 72. a spray ring; 721. an injection hole; 73. driving the air bag; 731. a one-way valve; 741. driving a riser; 742. driving the transverse plate; 81. an outer rod; 82. a chute; 83. an inner rod; 84. a step; 85. a limiting plate; 86. positioning holes; 87. and positioning bolts.
Detailed Description
The invention will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to fig. 1-9, a human body tensile force testing device of this embodiment, including base 1, be equipped with cavity 11 in the base 1, be equipped with motor 12 in the cavity 11, be equipped with two stands 2 on the base 1, be equipped with test pull rod 3 between two stands 2, be equipped with rope 13 between test pull rod 3 and the motor 12, be equipped with tension sensor 14 on the rope 13, be equipped with controller 15 on stand 2, controller 15 is connected with tension sensor 14, motor 12, controller 15 is connected with display screen 16, the opposite one side of stand 2 is equipped with lift groove 21, the interior sliding connection of lift groove 21 has lifter 211, lifter 211's both ends are connected with test pull rod 3, be equipped with lifting assembly 4 in the lift groove 21, lifter assembly 4 is located the upside of lifter 211, the lower extreme of lifter assembly 4 is equipped with suspension spring 212, the lower extreme and lifter 211 fixed connection of suspension spring 212, stand 2 is equipped with constant head tank 22 in the side adjacent with lift groove 21, the constant head tank 22 is equipped with the constant head tank 22, the constant head tank 221 is equipped with the locating seat 222, the other end is kept away from the locating seat 222, and is equipped with one end of locating seat 221, and is equipped with the locating seat 222, and one end is kept away from the locating seat 222.
The tension sensor 14 is a strain gauge sensor.
Through the technical scheme, before the human body tensile force testing device is used, the height of the testing pull rod 3 is adjusted according to the height and the arm length of a tester. The adjustment process is as follows, and the lifting assembly 4 operates, and drives the lifting block 211 to lift through the suspension spring 212, so as to drive the test pull rod 3 to lift. When a test is performed, a tester firstly stands on the base 1 and stands adjacent to the test pull rod 3, then the positioning rods 222 at two sides are rotated, and the positioning plates 223 are driven to rotate until the positioning plates 223 at two sides are rotated to the hip position at the rear side of the tester, and then the locking assembly 5 is used for locking the two positioning plates 223; then, the tester grips the test pull rod 3 with both hands, and then starts the motor 12 to perform a test. The motor 12 is connected with the speed reducer and then is connected with the rope 13, when the motor 12 rotates, the rope 13 is continuously pulled downwards, in the process, the tension sensor 14 continuously outputs a tension signal to the controller 15, the controller 15 converts the signal and then displays tension peak value data and real-time tension data on the display screen 16 until a tester releases hands, at the moment, a test is finished, the test pull rod 3 continues to move downwards for a certain distance after the hands are released, at the moment, the suspension spring 212 is stretched for a certain distance to compensate for the length, then the rotating motor 12 rotates reversely, the rope 13 is gradually released, the position before the test is returned, in the process, the suspension spring 212 is reset, the lifting block 211 is driven to reset, and the test pull rod 3 is driven to return to the adjusted height position; in order to ensure the accuracy of the test result, the test is repeated for 3 times, and the result is the average value of the tensile force peak value data.
In the testing process, the tester stands on the base 1, so that the tester can resist the gravity of the tester in the testing process without arranging a large-mass balancing weight, thereby reducing the volume and the weight of the human body tensile force testing device and facilitating the carrying.
The locating plates 223 on two sides are located at the buttocks of the testers after being locked by the locking assembly 5, and when the ageing fracture of the ropes 13 occurs or the testers fall backwards due to loosening of the joints of the ropes 13, the locating plates 223 can support the rear sides of the testers, so that the testers are prevented from falling down, and the stability in the testing process is improved.
The lifting block 211 lifts and slides in the lifting groove 21, and the positioning seat 221 lifts and slides in the positioning groove 22, so that the position is stable.
The motor 12 is arranged in the cavity 11, so that the top surface of the base 1 is flat, the test person can better stand, and the motor 12 is prevented from influencing the test person to stand.
The display screen 16 is arranged on the upright post 2, so that the observation is convenient.
When the height of the lifting block 211 is adjusted through the lifting assembly 4, the height position of the positioning seat 221 is adjusted at the same time, and then the height positions of the positioning rod 222 and the positioning plate 223 are adjusted, so that the height position of the positioning plate 223 corresponds to the buttocks of a tester, and the use is convenient without independent adjustment.
As an improved specific embodiment, the lifting assembly 4 comprises:
The positioning column 41 is arranged in the lifting groove 21, two ends of the positioning column 41 are fixedly connected with the groove wall of the lifting groove 21, and a movable space 411 is formed between the positioning column 41 and the top end of the lifting groove 21;
an upper positioning plate 42 fixedly arranged in the lifting groove 21 and positioned at the lower side of the positioning column 41;
The lower locating plate 43 is fixedly arranged in the lifting groove 21 and is positioned at the lower side of the upper locating plate 42 and is arranged in parallel with the upper locating plate 42, and a movable gap 44 is formed between the upper locating plate 42 and the lower locating plate 43;
an upper locking lever 45 fixedly provided in the elevation groove 21 at an upper side of the upper positioning plate 42;
A lower locking bar 46 fixedly provided in the elevation groove 21 at a lower side of the lower positioning plate 43;
a locking block 47 slidably disposed in the movable gap 44, wherein a locking hole 471 vertically penetrating the locking block 47 is formed in the locking block 47;
A return spring 48 provided in the movable gap 44, having one end connected to the lock block 47 and the other end connected to the wall of the lifting groove 21;
the adjusting rope 49 sequentially passes through the lower locking rod 46, the locking hole 471, the upper locking rod 45 and the movable space 411, one end of the adjusting rope 49 is fixedly connected with the suspension spring 212, the other end of the adjusting rope 49 is fixedly connected with the groove wall of the lifting groove 21, and a plurality of clamping blocks 491 are arranged on the adjusting rope 49.
Through the above technical scheme, when the height position of the lifting block 211 needs to be adjusted, the two ends of the adjusting rope 49 are pulled first, the adjusting rope 49 between the upper locking rod 45 and the lower locking rod 46 is gradually tightened in the process, the adjusting rope 49 drives the locking block 47 to slide in the movable gap 44 through the locking hole 471 in the tightening process, the sliding direction is close to the upper locking rod 45 and the lower locking rod 46, the restoring spring 48 is gradually compressed in the process, the height of the lifting block 211 can be adjusted by pulling the two ends of the adjusting rope 49 after tightening, the adjusting rope 49 at the other end is loosened after adjusting, at the moment, the tension of the adjusting rope 49 on the locking hole 471 is eliminated (so that the tension on the locking block 47 is eliminated), the restoring spring 48 component is reset in the process, and then the locking block 47 is driven to move away from the upper locking rod 45 and the lower locking rod 46 until one end of the locking block 47 penetrating out of the movable gap 44 is in conflict with the groove wall of the lifting groove 21, and the height adjustment of the lifting block 211 is completed. The height position of the lifting block 211 is limited and fixed by the clamping blocks 491 positioned at the two sides of the upper locking lever 45 and the clamping blocks 491 positioned at the two sides of the lower locking lever 46.
Specifically, the edge of the clamping block 491 is arc-shaped, the cut-off surfaces of the upper locking rod 45, the lower locking rod 46 and the positioning column 41 are arc-shaped, so that the resistance in stretching is reduced, and the operation is convenient.
The locking block 47 slides in the movable gap 44 formed by the upper positioning plate 42 and the lower positioning plate 43, and the position is stable.
The design does not need electric driving, has few parts and light weight, reduces the quality of the parts, and further reduces the quality of the human body tensile force testing device.
Specifically, the adjacent clamping blocks 491 are equidistantly arranged, so that the operation and the adjustment of the height of the lifting block 211 are convenient.
As a modified embodiment, a locking groove 472 is formed at the lower side of one end of the locking block 47 penetrating through the movable gap 44, the locking groove 472 is used for locking the clamping block 491, a rope clamping groove 473 is formed at the groove wall above the locking groove 472, the rope clamping groove 473 is used for accommodating the adjusting rope 49, and the locking groove 472 is communicated with the rope clamping groove 473.
Through the technical scheme, in the process of controlling the locking block 47 to move to the return spring 48 through the adjusting rope 49, the clamping rope groove 473 is separated from the adjusting rope 49, and the locking groove 472 is separated from the clamping block 491, so that the height of the lifting block 211 can be smoothly adjusted by the adjusting rope 49; the reset spring 48 resets to drive the locking piece 47 in the motion process, the card rope groove 473 corresponds with the position of adjusting rope 49 to promote adjusting rope 49 removal, when the tip that locking piece 47 stretches out clearance 44 and the cell wall of lift groove 21 contradict, the position of adjusting rope 49 is fixed, and the first piece fixture block 491 that lies in card rope groove 473 below is located locking groove 472 this moment, further improves the stability of adjusting rope 49 position, and then makes the high position of adjusting back lifter 211 more stable.
As a modified specific embodiment, two ends of the test pull rod 3 are respectively provided with a grabbing sleeve 31, the grabbing sleeves 31 are rotatably connected with the test pull rod 3, the test pull rod 3 is provided with a contact piece 301, a reed 311 is arranged in the grabbing sleeve 31, the contact piece 301 is in contact with the reed 311, and the contact piece 301 and the reed 311 are both connected with the controller 15.
Through the technical scheme, when a tensile test is performed, a tester grabs the column grabbing sleeve 31 for testing, and at the moment, the contact 301 is abutted against the reed 311; when the strength of the tester is insufficient and the hand is loosened, the rope 13 pulls the test pull rod 3 to move downwards at the moment when the thumb of the tester is loosened, the test pull rod 3 and the grabbing sleeve 31 are axially rotated, the reed 311 is separated from the contact piece 301, a trigger signal is generated and sent to the controller 15, the controller 15 records the tensile force peak value data and sends a stop signal to the motor 12, the motor 12 stops running, the tensile force peak value data can be tested without completely loosening the hand, the tester is prevented from being pulled in the test process, and the tester can be better protected.
As a modified specific embodiment, the gripping sleeve 31 is provided with a protection component 6, and the protection component 6 includes:
a protection bearing 61, wherein an inner ring of the protection bearing 61 is fixedly connected with the grabbing sleeve 31;
The upper end of the protection rope 62 is fixedly connected with the outer ring of the protection bearing 61, and a plurality of protection rings 621 are arranged on the protection rope 62 at intervals;
the lower end of the connecting rope 63 is fixedly connected with the base 1, and the upper end is provided with a protection hook 631.
Through above-mentioned technical scheme, protection bearing 61 and snatch cover 31 fixed connection are connected with base 1 through protection rope 62, connecting rope 63, and as the later stage protection, when rope 13 ageing fracture appears, or rope 13 junction is not hard up, and protection component 6 connects snatch cover 31 and base 1, and then avoids the tester to fall down backward, improves the stability in the testing process. The protection bearing 61 is used for connecting the protection rope 62 with the grabbing sleeve 31, so that the position of the protection rope 62 is not affected when the grabbing sleeve 31 rotates, and the stability in the use process is improved; the protection rope 62 is provided with a plurality of protection rings 621 for connecting the protection hooks 631, so that the test pull rod 3 can be used under the condition of different heights.
The protection component 6, the locking component 5 and the positioning plate 223 jointly protect the testing personnel, and further avoid injury of the testing personnel.
As a modified specific embodiment, two ends of the test pull rod 3 are provided with anti-slip assemblies 7, and the anti-slip assemblies 7 comprise:
A non-slip case 71, wherein the non-slip case 71 is used for placing non-slip powder, and the non-slip case 71 is fixed on the test pull rod 3;
the injection ring 72 is fixed on the test pull rod 3 and connected with the anti-slip box 71 through a pipeline, and one end of the injection ring 72, facing the grabbing sleeve 31, is provided with a plurality of injection holes 721;
The driving airbag 73 is connected to the anti-slip case 71, and a check valve 731 is provided on the driving airbag 73.
Through the above technical scheme, before the tensile test, the driving air bags 73 on two sides are firstly grabbed, at this time, the one-way valve 731 is closed, the driving air bags 73 are exhausted to enable the anti-slip powder in the anti-slip box 71 to pass through the pipeline and then enter the injection ring 72 until being sprayed out from each injection hole 721, the anti-slip treatment is carried out on the outer side of the grabbing sleeve 31, then the driving air bags 73 are loosened, the driving air bags 73 are reset, at this time, the one-way valve 731 is opened, and the gas is supplemented.
The grip sleeve 31 is subjected to an anti-slip treatment before the test, so that the influence of the sweaty hands of the customer on the test result is avoided, and the accuracy of the tensile test result is improved.
In a modified embodiment, the gripping sleeve 31 is provided with a driving riser 741, and the driving riser 741 is provided with a driving cross plate 742, and the driving cross plate 742 extends toward the driving airbag 73 and abuts against the driving airbag 73.
Through the above technical scheme, when accomplishing a test, rotatory cover 31 and test pull rod 3 axial rotation, contact 301 and reed 311 separation need adjust rotatory cover's angle when need retest for contact 301 contradicts with reed 311, this in-process snatchs cover 31 rotatory drive riser 741 rotatory, and then drive diaphragm 742 is rotatory, make drive diaphragm 742 extrude drive gasbag 73, and then carry out anti-skidding to snatch cover 31, need not to extrude drive gasbag 73 alone, homoenergetic when each time resetting rotatory cover 31 is anti-skidding handled, and is convenient to use, efficient. When the rotary sleeve 31 and the test pull rod 3 axially rotate, the driving vertical plate 741 and the driving transverse plate 742 rotate, so that the driving transverse plate 742 is separated from the air bag, and the air bag is reset to suck air.
As an improved embodiment, the locking assembly 5 comprises:
a locking protrusion 51 provided on the positioning plate 223 at one side, at a side of the positioning plate 223 facing away from the test pull rod 3;
A locking knob 52 provided at an end of the locking protrusion 51 remote from the positioning plate 223;
the locking strip 53 is rotatably arranged on the positioning plate 223 on the other side and is positioned on one side of the positioning plate 223, which is opposite to the test pull rod 3;
A locking groove 531 is provided at a lower end of the locking bar 53, and a position of the locking groove 531 corresponds to a position of the locking protrusion 51.
Through the above technical solution, the locking process of the locking assembly 5 is as follows, after the positioning plates 223 on both sides are on the same plane, the locking bar 53 is rotated, so that the locking groove 531 wraps the locking protrusion 51, and at this time, the locking bar 53 is located between the locking button 52 and the positioning plate 223, and at this time, the locking is completed; when the locking is required to be released, the locking bar 53 is reversely rotated, so that the locking bar 53 returns to one side of the self-connected positioning plates 223, and at the moment, the two positioning plates 223 are not locked any more; the operation is simple and the use is convenient.
Specifically, the locking bar 53 is provided with a handle at the end far away from the connection with the positioning plate 223 for the test personnel to grasp, so that the use process is more convenient.
In a modified embodiment, the positioning rod 222 includes:
An outer rod 81, one end of which is rotatably connected with the positioning seat 221, and the other end of which is provided with a chute 82;
The inner rod 83 is connected in the chute 82 in a sliding way, and one end of the inner rod 83 extending out of the chute 82 is fixedly connected with the positioning plate 223;
a step 84 provided at an opening of the chute 82;
The limiting plate 85 is arranged at one end of the inner rod 83 positioned in the chute 82;
the positioning hole 86 is arranged on the upper side surface of the outer rod 81 and communicated with the chute 82;
a positioning bolt 87 is screwed into the positioning hole 86.
Through the above technical scheme, when the body shape of the tester is not matched with the length of the positioning rod 222, the positioning bolt 87 is rotated first to separate the positioning fludioxo acid from the inner rod 83, then the inner rod 83 is pushed and pulled, the inner rod 83 slides in the sliding groove 82, the length of the positioning rod 222 is adjusted to correspond to the body shape of the tester, and then the positioning bolt 87 is rotated to enable the positioning bolt 87 to abut against the inner rod 83, so that the adjustment of the length of the positioning rod 222 is completed, and the adjustment is convenient.
The step 84 and the limiting plate 85 prevent the inner rod 83 from falling out of the sliding groove 82, so that stability in the use process is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a human tensile testing device, its characterized in that, including base (1), be equipped with cavity (11) in base (1), be equipped with motor (12) in cavity (11), be equipped with two stands (2) on base (1), be equipped with test pull rod (3) between two stands (2), be equipped with rope (13) between test pull rod (3) and motor (12), be equipped with on rope (13) and draw force sensor (14), be equipped with controller (15) on stand (2), controller (15) are connected with draw force sensor (14) and motor (12), controller (15) are connected with display screen (16), one side that stand (2) are relative is equipped with lift groove (21), the slip is connected with lifter (211) in lift groove (21), the both ends and the test pull rod (3) of lifter (211) are connected, be equipped with lifter assembly (4) in lift groove (21), lifter assembly (4) are located the upside of lifter assembly (211), the lower extreme (212) are equipped with spring (212) are hung down to hang spring (212), the stand (2) is equipped with constant head tank (22) in one side adjacent with lift groove (21), constant head tank (22) and lift groove (21) intercommunication, be equipped with positioning seat (221) in constant head tank (22), one end and lift piece (211) fixed connection of positioning seat (221), the other end wears out constant head tank (22), the other end of positioning seat (221) is equipped with locating lever (222), the one end that locating lever (222) was kept away from positioning seat (221) is equipped with locating plate (223), the one end and the locating lever (222) of locating plate (223) are connected, and the other end is equipped with locking subassembly (5).
2. The human body tensile testing device according to claim 1, wherein: the lifting assembly (4) comprises:
the positioning column (41) is arranged in the lifting groove (21), two ends of the positioning column (41) are fixedly connected with the groove wall of the lifting groove (21), and a movable space (411) is formed between the positioning column (41) and the top end of the lifting groove (21);
The upper positioning plate (42) is fixedly arranged in the lifting groove (21) and positioned at the lower side of the positioning column (41);
The lower locating plate (43) is fixedly arranged in the lifting groove (21) and is positioned at the lower side of the upper locating plate (42) and is arranged in parallel with the upper locating plate (42), and a movable gap (44) is formed between the upper locating plate (42) and the lower locating plate (43);
an upper locking rod (45) fixedly arranged in the lifting groove (21) and positioned on the upper side of the upper positioning plate (42);
A lower locking rod (46) fixedly arranged in the lifting groove (21) and positioned at the lower side of the lower positioning plate (43);
The locking block (47) is slidably arranged in the movable gap (44), and a locking hole (471) vertically penetrating through the locking block (47) is formed in the locking block (47);
A return spring (48) arranged in the movable gap (44), one end of which is connected with the locking block (47) and the other end of which is connected with the groove wall of the lifting groove (21);
The adjusting rope (49) sequentially passes through the lower locking rod (46), the locking hole (471), the upper locking rod (45) and the movable space (411), one end of the adjusting rope (49) is fixedly connected with the suspension spring (212), the other end of the adjusting rope is fixedly connected with the groove wall of the lifting groove (21), and a plurality of clamping blocks (491) are arranged on the adjusting rope (49);
the locking piece (47) wears to be equipped with locking groove (472) in the downside of the one end of activity clearance (44), locking groove (472) are used for locking fixture block (491), the cell wall of locking groove (472) top is equipped with card rope groove (473), card rope groove (473) are used for holding adjusting rope (49), locking groove (472) and card rope groove (473) intercommunication.
3. The human body tensile testing device according to claim 1 or 2, wherein: the test pull rod is characterized in that grabbing sleeves (31) are respectively arranged at two ends of the test pull rod (3), the grabbing sleeves (31) are rotatably connected with the test pull rod (3), a contact piece (301) is arranged on the test pull rod (3), a reed (311) is arranged in the grabbing sleeve (31), the contact piece (301) is abutted against the reed (311), and the contact piece (301) and the reed (311) are connected with a controller (15).
4. A body pull testing device according to claim 3, wherein: the grabbing sleeve (31) is provided with a protection component (6), and the protection component (6) comprises:
The inner ring of the protection bearing (61) is fixedly connected with the grabbing sleeve (31);
the protection rope (62), the upper end of the protection rope (62) is fixedly connected with the outer ring of the protection bearing (61), and a plurality of protection rings (621) are arranged on the protection rope (62) at intervals;
The connecting rope (63), the lower extreme of connecting rope (63) and base (1) fixed connection, the upper end is equipped with protection hook (631).
5. A body pull testing device according to claim 3, wherein: the anti-skid device is characterized in that anti-skid components (7) are arranged at two ends of the test pull rod (3), and the anti-skid components (7) comprise:
The anti-slip box (71), the said anti-slip box (71) is used for placing the anti-slip powder, the said anti-slip box (71) is fixed on test pull rod (3);
The injection ring (72) is fixed on the test pull rod (3) and connected with the anti-slip box (71) through a pipeline, and a plurality of injection holes (721) are formed in one end, facing the grabbing sleeve (31), of the injection ring (72);
The driving air bag (73) is connected with the anti-slip box (71), and a one-way valve (731) is arranged on the driving air bag (73).
6. The human body tensile testing device according to claim 5, wherein: the grabbing sleeve (31) is provided with a driving vertical plate (741), the driving vertical plate (741) is provided with a driving transverse plate (742), and the driving transverse plate (742) extends to the driving air bag (73) and is in contact with the driving air bag (73).
7. The human body tensile testing device according to claim 1, wherein: the locking assembly (5) comprises:
the locking bulge (51) is arranged on the positioning plate (223) at one side and is positioned at one side of the positioning plate (223) opposite to the test pull rod (3);
a locking knob (52) provided at one end of the locking protrusion (51) away from the positioning plate (223);
The locking strip (53) is rotatably arranged on the positioning plate (223) at the other side and is positioned at one side of the positioning plate (223) back to the test pull rod (3);
And a locking groove (531) provided at a lower end of the locking bar (53), the position of the locking groove (531) corresponding to the position of the locking protrusion (51).
8. The human body tensile testing device according to claim 1, wherein: the positioning rod (222) comprises:
an outer rod (81), one end of which is rotatably connected with the positioning seat (221), and the other end of which is provided with a chute (82);
The inner rod (83) is connected in the chute (82) in a sliding way, and one end of the inner rod (83) extending out of the chute (82) is fixedly connected with the positioning plate (223);
A step (84) provided at an opening of the chute (82);
the limiting plate (85) is arranged at one end of the inner rod (83) positioned in the chute (82);
The positioning hole (86) is arranged on the upper side surface of the outer rod (81) and is communicated with the chute (82);
and the positioning bolt (87) is in threaded connection with the positioning hole (86).
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| CN202310526478.7A CN117122886B (en) | 2023-05-11 | 2023-05-11 | Human body tension testing device |
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| CN202310526478.7A CN117122886B (en) | 2023-05-11 | 2023-05-11 | Human body tension testing device |
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