CN106892318B - Turnover lifting device - Google Patents
Turnover lifting device Download PDFInfo
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- CN106892318B CN106892318B CN201710190147.5A CN201710190147A CN106892318B CN 106892318 B CN106892318 B CN 106892318B CN 201710190147 A CN201710190147 A CN 201710190147A CN 106892318 B CN106892318 B CN 106892318B
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- 230000007306 turnover Effects 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000009194 climbing Effects 0.000 abstract description 15
- 230000033001 locomotion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Invalid Beds And Related Equipment (AREA)
- Types And Forms Of Lifts (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a turnover lifting device. The turnover lifting device comprises a motor, a transmission mechanism, a turnover mechanism and a lifting mechanism, wherein the transmission mechanism comprises a driving shaft and a driven shaft; when the motor rotates in the positive direction, the motor drives the driving shaft to move in the positive direction, and the driving shaft drives the turnover mechanism to turn over in the positive direction; the driving shaft simultaneously drives the driven shaft to move in the positive direction, and the driven shaft drives the lifting mechanism to move downwards; when the motor runs in the reverse direction, the motor drives the driving shaft to move in the reverse direction, and the driving shaft drives the turnover mechanism to turn over in the reverse direction; the driving shaft simultaneously drives the driven shaft to move in a reverse direction, and the driven shaft drives the lifting mechanism to move upwards. The overturning lifting device can simultaneously realize the matching of overturning and lifting, can assist in adjusting the inclination of the chair back of the wheelchair on the stair climbing machine, and can simultaneously realize the lifting of the universal wheels of the stair climbing machine so as to match the requirements of the stair climbing state and the flat state on the wheel chair back and the bottom wheel state.
Description
Technical Field
The invention relates to the technical field of ladder climbing auxiliary equipment, in particular to an overturning lifting device.
Background
At present, the most residents in cities are in stair rooms, wherein partially disabled people, old people or other people who walk stair obstacles, must climb the action of stair with the help of wheelchair and cat ladder device, present fix the wheelchair on the device of supplementary cat ladder after, in order to prevent that the people on the wheelchair from turning over from the wheelchair when going up stair, must incline the back of the chair of wheelchair backward, need overturn the back of the chair of wheelchair and lay flat after reacing the level land, this just needs to design one kind can freely switch over the device of upset state, realize the convenient upset at wheelchair back, and can make the peaceful two kinds of states of adaptation stair that whole device can be timely, make the wheelchair can accessible promote, turn round and go up and down.
Disclosure of Invention
According to one aspect of the invention, the turnover lifting device comprises a motor, a transmission mechanism, a turnover mechanism and a lifting mechanism, wherein the transmission mechanism comprises a driving shaft and a driven shaft.
When the motor rotates in the positive direction, the motor drives the driving shaft to move in the positive direction, and the driving shaft drives the turnover mechanism to turn over in the positive direction; the driving shaft simultaneously drives the driven shaft to move in the positive direction, and the driven shaft drives the lifting mechanism to move downwards.
When the motor runs in the reverse direction, the motor drives the driving shaft to move in the reverse direction, and the driving shaft drives the turnover mechanism to turn over in the reverse direction; the driving shaft simultaneously drives the driven shaft to move in the opposite direction, and the driven shaft drives the lifting mechanism to move upwards.
The turnover lifting device is driven by the motor to simultaneously realize turnover of the turnover mechanism and lifting of the lifting mechanism through the transmission mechanism, the motor can run in the positive direction and the negative direction to realize different steering directions of the driving shaft and the driven shaft, and the different steering directions of the driving shaft and the driven shaft realize different moving directions of the turnover mechanism and the lifting mechanism to realize that the lifting mechanism descends when the turnover mechanism turns in the positive direction; when the turnover mechanism turns over in the opposite direction, the lifting mechanism rises.
In some embodiments, the transmission mechanism further comprises a driving gear, a first screw rod, an idler gear, a driven gear and a second screw rod, wherein the driving shaft is connected with the driving gear, the driving gear is connected with the first screw rod and the idler gear, the idler gear and the driving shaft drive the driving gear to rotate, the idler gear, the driven gear and the driven shaft are sequentially connected, and the driving gear drives the first screw rod to move; the driving gear drives an idle gear to rotate, the idle gear drives a driven gear to rotate, the driven gear drives a second lead screw to move, the first lead screw is connected with the turnover mechanism, and the second lead screw is connected with the lifting mechanism. The turnover mechanism has the advantages that the driving gear is driven to rotate through the rotation of the driving shaft, the driving gear drives the first screw rod to perform push-pull movement, and the push-pull movement of the first screw rod pushes or pulls the turnover mechanism to turn over the turnover mechanism; meanwhile, the driving gear can drive the idle gear to rotate, the idle gear drives the driven gear to rotate, the driven gear drives the driven shaft to rotate, the driven shaft drives the second screw rod to perform push-pull movement, and the lifting mechanism is pushed or pulled through the push-pull movement of the second screw rod so as to realize the lifting of the lifting device.
In some embodiments, the transmission mechanism further includes a worm gear connected to the driving shaft, the motor drives the worm gear to move, and the worm gear drives the driving shaft to rotate. The worm gear can drive the driving shaft to rotate under the driving action of the motor.
In some embodiments, the turnover mechanism includes a connecting rod, a rotating shaft and a handrail, the connecting rod is connected with a first lead screw, the connecting rod and the handrail are both connected on the rotating shaft, the first lead screw can push or pull the connecting rod to move, and the connecting rod drives the handrail to swing in a positive direction or a negative direction. The wheelchair has the beneficial effects that the chair back of the wheelchair is fixed on the handrail on the stair climbing machine under the general condition, the position of the chair back can be adjusted by the swinging of the handrail, when the wheelchair needs to climb stairs, the chair back needs to be inclined backwards to prevent a person sitting on the wheelchair from separating from the wheelchair, and at the moment, the chair back needs to swing in the opposite direction through the handrail; when the wheelchair reaches the flat ground, the back of the wheelchair needs to be straightened, the chair back needs to be adjusted forwards, and at the moment, the armrests need to swing towards the positive direction; the rotating shaft and the armrests are driven by the connecting rods to swing the armrests, so that the inclination of the chair back of the wheelchair is adjusted.
In some embodiments, the lifting mechanism is a universal wheel, and the second lead screw drives the universal wheel to rise or fall. The stair climbing machine has the advantages that the universal wheels can play an important role in the stair climbing machine, and can realize the functions of turning and pushing conveniently; when the universal wheel reaches the flat ground, the whole device needs to be pushed more conveniently, and the universal wheel needs to be descended to the ground.
In some embodiments, the motor includes a motor shaft, and the worm gear is integral with the motor shaft of the motor. The motor shaft and the worm gear are of an integrated structure, so that the precision is improved, parts are saved, the connecting distance can be shortened, and the energy-saving effect is achieved.
The overturning lifting device can simultaneously realize the matching of overturning and lifting, can assist the adjustment of the inclination of the chair back of the wheelchair on the stair climbing machine, and can simultaneously realize the lifting of the universal wheels of the stair climbing machine so as to match the required effects of the stair climbing state and the flat bottom state on the chair back and the bottom wheel state.
Drawings
Fig. 1 is a schematic structural diagram of an overturning lifting device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows a roll-over lifting device according to an embodiment of the invention. As shown in the figure, the turnover lifting device comprises a motor 1, a transmission mechanism 2, a turnover mechanism 3 and a lifting mechanism 4, wherein the transmission mechanism 2 comprises a driving shaft 21 and a driven shaft 22.
When the motor 1 runs in the positive direction, the motor 1 drives the driving shaft 21 to move in the positive direction, and the driving shaft 21 drives the turnover mechanism 3 to turn in the positive direction; the driving shaft 21 drives the driven shaft 22 to move in the positive direction, and the driven shaft 22 drives the lifting mechanism 4 to move downwards.
When the motor 1 runs in the reverse direction, the motor 1 drives the driving shaft 21 to move in the reverse direction, and the driving shaft 21 drives the turnover mechanism 3 to turn over in the reverse direction; the driving shaft 21 simultaneously drives the driven shaft 22 to move in the opposite direction, and the driven shaft 22 drives the lifting mechanism 4 to move upwards.
The turnover lifting device is driven by the motor 1 to simultaneously realize turnover of the turnover mechanism 3 and lifting of the lifting mechanism 4 through the transmission mechanism 2, the motor 1 can run in the positive direction and the negative direction to realize different steering directions of the driving shaft 21 and the driven shaft 22, and the different steering directions of the driving shaft 21 and the driven shaft 22 realize different moving directions of the turnover mechanism 3 and the lifting mechanism 4 to realize that the lifting mechanism 4 descends when the turnover mechanism 3 turns in the positive direction; when the turnover mechanism 3 turns over in the opposite direction, the lifting mechanism 4 ascends.
The transmission mechanism 2 further comprises a driving gear 24, a first screw rod 25, an idler gear 26, a driven gear 27 and a second screw rod 28, the driving shaft 21 is connected with the driving gear 24, the driving gear 24 is connected with the first screw rod 25 and the idler gear 26, the idler gear 26 and the driving shaft 21 drive the driving gear 24 to rotate, the idler gear 26, the driven gear 27 and the driven shaft 22 are sequentially connected, and the driving gear 24 drives the first screw rod 25 to move; the driving gear 24 simultaneously drives the idle gear 26 to rotate, the idle gear 26 drives the driven gear 27 to rotate, the driven gear 27 drives the second lead screw 28 to move, the first lead screw 25 is connected with the turnover mechanism 3, and the second lead screw 28 is connected with the lifting mechanism 4. The driving gear 24 is driven to rotate by the rotation of the driving shaft 21, the driving gear 24 drives the first lead screw 25 to perform push-pull motion, and the push-pull motion of the first lead screw 25 pushes or pulls the turnover mechanism 3 to turn over the turnover mechanism 3; meanwhile, the driving gear 24 can drive the idle gear 26 to rotate, the idle gear 26 drives the driven gear 27 to rotate, the driven gear 27 drives the driven shaft 22 to rotate, the driven shaft rotates to drive the second lead screw 28 to perform push-pull movement, and the lifting mechanism 4 is pushed or pulled through the push-pull movement of the second lead screw 28, so that the lifting device is lifted.
The transmission mechanism 2 further comprises a worm gear 23, the worm gear 23 is connected with the driving shaft 21, the motor 1 drives the worm gear 23 to move, and the worm gear 23 drives the driving shaft 21 to rotate. The worm wheel and worm 23 can realize the rotation of the driving shaft 21 driven by the motor 1.
The turnover mechanism 3 comprises a connecting rod 31, a rotating shaft 32 and a handrail 33, the connecting rod 31 is connected with the first screw rod 25, the connecting rod 31 and the handrail 33 are both connected on the rotating shaft 32, the first screw rod 25 can push or pull the connecting rod 31 to move, and the connecting rod 31 drives the handrail 33 to swing in the positive direction or the negative direction. Generally, the chair back of the wheelchair is fixed on an armrest 33 on a stair climbing machine, the position of the chair back can be adjusted by swinging the armrest 33, when the wheelchair needs to climb stairs, the chair back needs to be inclined backwards to prevent a person sitting on the wheelchair from separating from the wheelchair, and at the moment, the chair back needs to swing in the opposite direction through the armrest 33; when the wheelchair reaches the flat ground, the back of the wheelchair needs to be straightened, the back of the wheelchair needs to be adjusted forwards, and at the moment, the armrests 33 need to swing towards the positive direction; the connecting rod 31 drives the rotating shaft 32 and the armrests 33 to swing the armrests 33, so that the inclination of the chair back of the wheelchair is adjusted.
The lifting mechanism 4 is a universal wheel 41, and the second lead screw 28 drives the universal wheel 41 to rise or fall. The universal wheels 41 can play an important role in the stair climbing machine, and can realize the functions of turning and pushing conveniently, when climbing stairs, the stair climbing machine needs to realize stair climbing by means of a mechanism such as a crawler and the like, and the universal wheels 41 need to be lifted and collected; when reaching the flat ground, the whole device needs to be pushed more conveniently, and the universal wheels 41 need to be descended to the ground. The lifting mechanism 4 further comprises a connecting rod and a connecting shaft, one end of the connecting rod is connected to the second lead screw 28, the other end of the connecting rod and the universal wheel 41 are connected to the connecting shaft, and the second lead screw 28 drives the connecting rod and the connecting shaft to move to drive the universal wheel 41 to ascend or descend.
The motor 1 comprises a motor shaft, and the worm gear 23 and the motor shaft of the motor 1 are of an integral structure. The motor shaft and the worm wheel 23 are of an integrated structure, so that the precision is improved, parts are saved, the connection distance can be shortened, and an energy-saving effect is achieved.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The turnover lifting device is characterized by comprising a motor (1), a transmission mechanism (2), a turnover mechanism (3) and a lifting mechanism (4), wherein the transmission mechanism (2) comprises a driving shaft (21) and a driven shaft (22),
when the motor (1) runs in the positive direction, the motor (1) drives the driving shaft (21) to move in the positive direction, and the driving shaft (21) drives the turnover mechanism (3) to turn in the positive direction; the driving shaft (21) simultaneously drives the driven shaft (22) to move in the positive direction, and the driven shaft (22) drives the lifting mechanism (4) to move downwards;
when the motor (1) runs in the reverse direction, the motor (1) drives the driving shaft (21) to move in the reverse direction, and the driving shaft (21) drives the turnover mechanism (3) to turn over in the reverse direction; the driving shaft (21) simultaneously drives the driven shaft (22) to move in the opposite direction, and the driven shaft (22) drives the lifting mechanism (4) to move upwards;
the transmission mechanism (2) further comprises a driving gear (24), a first screw rod (25), an idler gear (26), a driven gear (27) and a second screw rod (28), the driving shaft (21) is connected with the driving gear (24), the driving gear (24) is connected with the first screw rod (25) and the idler gear (26), the idler gear (26) and the driving shaft (21) drive the driving gear (24) to run, the idler gear (26), the driven gear (27) and the driven shaft (22) are sequentially connected, and the driving gear (24) drives the first screw rod (25) to move; the driving gear (24) simultaneously drives the idle gear (26) to operate, the idle gear (26) drives the driven gear (27) to rotate, the driven gear (27) drives the second screw rod (28) to move, the first screw rod (25) is connected with the turnover mechanism (3), and the second screw rod (28) is connected with the lifting mechanism (4);
the transmission mechanism (2) further comprises a worm gear (23), the worm gear (23) is connected with the driving shaft (21), the motor (1) drives the worm gear (23) to move, and the worm gear (23) drives the driving shaft (21) to rotate.
2. A turnover lifting device according to claim 1, characterized in that the turnover mechanism (3) comprises a connecting rod (31), a rotating shaft (32) and a handrail (33), the connecting rod (31) is connected with the first screw rod (25), the connecting rod (31) and the handrail (33) are both connected to the rotating shaft (32), the first screw rod (25) can push or pull the connecting rod (31) to move, and the connecting rod (31) drives the handrail (33) to swing in the positive direction or in the negative direction.
3. A turnover lifting device according to claim 1, characterised in that the lifting mechanism (4) is a universal wheel (41), and the second screw rod (28) drives the universal wheel (41) to rise or fall.
4. The tilt-lift device according to claim 1, characterized in that the motor (1) comprises a motor shaft, and the worm gear (23) is of an integral structure with the motor shaft of the motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190147.5A CN106892318B (en) | 2017-03-27 | 2017-03-27 | Turnover lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190147.5A CN106892318B (en) | 2017-03-27 | 2017-03-27 | Turnover lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106892318A CN106892318A (en) | 2017-06-27 |
| CN106892318B true CN106892318B (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710190147.5A Active CN106892318B (en) | 2017-03-27 | 2017-03-27 | Turnover lifting device |
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| Country | Link |
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| CN (1) | CN106892318B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB629650A (en) * | 1945-05-18 | 1949-09-26 | Amalgamated Wireless Australas | Improvements in or relating to automatic electric follow-up switching mechanism |
| CN2355836Y (en) * | 1998-12-25 | 1999-12-29 | 梁建进 | Automatic roller shearing and edge cutter for motorcycle chain case |
| CN1641183A (en) * | 2005-01-07 | 2005-07-20 | 山东蓝星玻璃(集团)有限公司 | Hollow glals blind window lifting and turning device |
| CN101403651A (en) * | 2008-10-21 | 2009-04-08 | 安徽巨一自动化装备有限公司 | Screwing clearance-regulation detection and combination bench for vehicle main reducing gear |
| CN102068932A (en) * | 2010-12-17 | 2011-05-25 | 常州大学 | Double-crucible stirring equipment for anthracite sample |
| CN202010532U (en) * | 2011-04-03 | 2011-10-19 | 蒋建明 | Novel multifunctional stirring machine with automatic lifting and turning mechanism |
| CN102537229A (en) * | 2010-12-07 | 2012-07-04 | 申念 | Positive-operation inversion-transcending gear-changing mechanism |
| CN206814205U (en) * | 2017-03-27 | 2017-12-29 | 杭州树仁科技有限公司 | Turnover elevating apptss |
-
2017
- 2017-03-27 CN CN201710190147.5A patent/CN106892318B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB629650A (en) * | 1945-05-18 | 1949-09-26 | Amalgamated Wireless Australas | Improvements in or relating to automatic electric follow-up switching mechanism |
| CN2355836Y (en) * | 1998-12-25 | 1999-12-29 | 梁建进 | Automatic roller shearing and edge cutter for motorcycle chain case |
| CN1641183A (en) * | 2005-01-07 | 2005-07-20 | 山东蓝星玻璃(集团)有限公司 | Hollow glals blind window lifting and turning device |
| CN101403651A (en) * | 2008-10-21 | 2009-04-08 | 安徽巨一自动化装备有限公司 | Screwing clearance-regulation detection and combination bench for vehicle main reducing gear |
| CN102537229A (en) * | 2010-12-07 | 2012-07-04 | 申念 | Positive-operation inversion-transcending gear-changing mechanism |
| CN102068932A (en) * | 2010-12-17 | 2011-05-25 | 常州大学 | Double-crucible stirring equipment for anthracite sample |
| CN202010532U (en) * | 2011-04-03 | 2011-10-19 | 蒋建明 | Novel multifunctional stirring machine with automatic lifting and turning mechanism |
| CN206814205U (en) * | 2017-03-27 | 2017-12-29 | 杭州树仁科技有限公司 | Turnover elevating apptss |
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| Publication number | Publication date |
|---|---|
| CN106892318A (en) | 2017-06-27 |
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