CN114084208B - A locking feeding trolley - Google Patents

Abstract

The invention discloses a locking feeding trolley which comprises a fixed frame and a material placing rack, wherein the material placing rack is horizontally arranged on the fixed frame and is connected with the fixed frame through a damping block; a handlebar is arranged on the fixed frame, and a brake lever is arranged on the handlebar; a first edge retaining strip is arranged above the first side plate, a second edge retaining strip, an edge retaining strip and a third edge retaining strip are arranged above the second side plate, the edge retaining strip is arranged between the second edge retaining strip and the third edge retaining strip, a first locking assembly is arranged between the edge retaining strip and the second edge retaining strip, a second locking assembly is arranged between the edge retaining strip and the third edge retaining strip, the first locking assembly and the second locking assembly are in transmission connection through a transmission assembly, and the second locking assembly is connected with a brake handle through a control assembly; the invention reduces the arrangement of additional equipment such as a power supply or an air source and the like, and reduces the whole weight of the locking feeding trolley, thereby saving the operation cost of a company; improve material loading and unloading and conveying efficiency, save time cost.

Description

A locking feeding trolley

technical field

The invention relates to the technical field of transportation equipment, in particular to a locking feeding trolley.

Background technique

The conveying device is a device to realize the conveying, loading and unloading of materials. Most of the current feeding and receiving trolleys are locked by pneumatic or electric devices or repeated operations for many times. The corresponding locking operation can only be realized by setting up additional equipment such as air source or power supply, so that the equipment is more efficient. It is complex, and the addition of additional equipment is also easy to operate. The weight of the feeding and receiving trolley itself increases.

In view of the above-mentioned defects, the creator of the present invention has finally obtained the present invention through long-term research and practice.

Contents of the invention

In order to solve the above-mentioned technical defects, the technical solution adopted by the present invention is to provide a locking feeding trolley, including a fixed frame and a material placement frame, the material placement frame is horizontally arranged on the fixed frame, and is connected to the fixed frame are connected by shock absorbers; the fixed frame is provided with a handlebar, and the handlebar is provided with a brake handle;

The material placement frame includes a first bottom plate, a second bottom plate, a first side plate, a second side plate, and a roller; the first bottom plate is arranged parallel to the second bottom plate and fixedly arranged on the side of the first side plate. The two ends, the second side plate and the first side plate are arranged in parallel and fixedly, the first bottom plate and the second bottom plate are respectively arranged on both sides of the second side plate and the first side plate At the end, several of the rollers are arranged between the first side plate and the second side plate, and the rollers can rotate around their own axes;

Above the first side plate is provided with a first edge retaining strip, above the second side plate is provided with a second edge retaining strip, a retaining strip and a third edge retaining strip, and the retaining strip is arranged on the first Between the second edge retaining strip and the third edge retaining strip, a first locking assembly is arranged between the retaining strip and the second edge retaining strip, and between the retaining strip and the third edge retaining strip A second locking assembly is provided, the first locking assembly is connected to the second locking assembly through a transmission assembly, and the second locking assembly is connected to the brake handle through a control assembly.

Preferably, first stoppers, limit screws and buffers are provided on both sides of the first bottom plate, the first stoppers are fixed on the first bottom plate, the limit screws and the buffers The buffers are all arranged on the first block.

Preferably, a control assembly is provided on the first bottom plate, and the control assembly includes a hook, a stay wire fixing block, and a first shaft, the hook is rotated on the first bottom plate through the first shaft, and the brake The transmission line is connected to the stay wire fixing block, the stay wire fixing block is fixedly connected to the hook, the transmission line is connected to the hook through the stay wire fixing block, and the hook is connected to the second locking assembly The first safety block contact setting.

Preferably, the transmission assembly includes a linear slide rail, a third side plate, and a first spring, the third side plate is slidably connected to the second side plate through the linear slide rail, and the first spring is set Between the third side plate and the second side plate, and the two ends of the first spring are respectively connected to the third side plate and the second side plate to provide elastic force, so that the third side The plate moves away from the handlebar, and the third side plate is provided with a first unlocking block and a third unlocking block, the first unlocking block is set corresponding to the first locking assembly, and the third unlocking block Blocks correspond to the second locking assembly set.

Preferably, the end of the third side plate away from the handlebar is fixedly provided with a second unlocking block, and the second unlocking block is provided with an unlocking shaft and a second spring, and the second spring has an The unlocking shaft provides elastic force, so that the end of the unlocking shaft protrudes from the second unlocking block.

Preferably, the second side plate is provided with a third limiting block, the third side plate is provided with a limiting slot, and the third limiting block is arranged in the limiting slot.

Preferably, the first locking assembly includes a first torsion spring, a second shaft, a first bearing sleeve, a third bearing, a locking block and a control block, and the first bearing sleeve is fixedly arranged on the second side plate Above, the second shaft is rotatably arranged in the first bearing sleeve through the third bearing, and the two ends of the first torsion spring are respectively connected to the second shaft and the first bearing sleeve, The control block is fixed on the second shaft, the control block is arranged in contact with the first unlocking block, the locking block is sleeved on the second shaft, and the locking block and the control block The blocks are connected by a second torsion spring, and a limiting pin is fixedly arranged on the control block, and the limiting pin is arranged in contact with the locking block.

Preferably, the second locking assembly includes a bearing with seat, a second spacer, the first safety block, the second safety block, the third safety block, bearing connecting bolts, a third shaft, and a second bearing sleeve, Both the bearing with seat and the second bearing sleeve are arranged on the third shaft, the lower end of the third shaft is fixedly arranged on the first bottom plate through the bearing with seat, and the third shaft The second bearing sleeve is fixedly arranged on the second side plate, the second bearing sleeve is provided with a third bearing, the upper end of the third shaft is fixedly provided with a second insurance block, and the second insurance A dial is arranged on the block, and the dial is arranged in contact with the third unlocking block, and the first safety block is fixedly arranged on the third shaft.

Preferably, the second safety block is provided with a third safety block through a bearing connecting bolt, the third safety block is arranged in a disk shape, and the bearing connecting bolt is provided with a first bearing to realize the first safety block. The third safety block is free to rotate around the bearing connecting bolt, and the outer surface of the third safety block is provided with a second bearing.

Preferably, a protective cover is provided on the second side plate, and a display hole is provided on the protective cover, and a position plate is provided on the third side plate corresponding to the display hole, and the position plate is fixed on the On the third side plate, a green mark and a red mark are arranged on the position plate.

Compared with the prior art, the beneficial effects of the present invention are: the present invention reduces the setting of additional equipment such as power supply or air source, and reduces the overall weight of the locked feeding trolley, thereby saving the company's operating costs; improving material loading and unloading and transportation efficiency, and saving time cost.

Description of drawings

Fig. 1 is the structure view of described locking feeding trolley;

Fig. 2 is a structural view of the fixed frame;

Fig. 3 is a structural view of the material placement rack;

Figure 4 is an exploded view of the material placement rack;

Fig. 5 is a view of the transmission structure of the material placement rack.

The numbers in the figure indicate:

1-fixed frame; 2-material rack; 3-body brake frame; 4-body fixed plate; 5-body; 6-handlebar; 7-handlebar cover; 8-brake handle; 9-swivel caster ; 10-protective cover; 11-guard plate; 12-first bottom plate; 13-first side plate; 18- the first limit block; 19- the second limit block; 20- the second edge bar; 21- the second side plate; 22- the bar; 23- the third edge bar; 24- the hook; 26-limit screw; 27-bumper; 28-roller; 29-third limit block; 30-first shaft; 31-first spring; 32-first spacer; 33-fixed shaft ;34-shock absorbing block; 35-first unlocking block; 36-position plate; 37-third side plate; 38-unlocking shaft; 39-second unlocking block; 40-third unlocking block; 41-green logo; 42-red logo; 43-first torsion spring; 44-second shaft; 45-first bearing sleeve; 46-third bearing; 47-limit pin; 48-second torsion spring; 49-second stopper ;50-the third block; 51-the fourth block; 52-the fifth block; 53-bearing with seat; 54-the second spacer; - the third insurance block; 60 - the bearing connecting bolt; 61 - the first bearing; 62 - the third shaft; 63 - the second bearing sleeve; 64 - the second bearing; 65 - the third bearing.

detailed description

The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2, Figure 3, and Figure 4, Figure 1 is a structural view of the locking feeding trolley; Figure 2 is a structural view of the fixed frame; Figure 3 is a structural view of the material placement rack ; Figure 4 is an exploded view of the material placement rack.

The locking feeding trolley of the present invention includes a fixed frame 1 and a material placement frame 2, the material placement frame 2 is horizontally arranged on the fixed frame 1, and is connected with the fixed frame 1 through a shock absorber 34 .

The fixed frame 1 includes an upper body frame and a lower body frame; the upper body frame includes a vehicle body 5, a handlebar 6, a handlebar cover 7 and a brake handle 8, and the lower body frame includes a body fixing plate 4 and swivel casters 9. The swivel caster 9 is arranged under the vehicle body fixing plate 4, the vehicle body 5 is fixedly arranged on the vehicle body fixing plate 4, the vehicle body 5 is provided with the handlebar 6, and the handlebar 6 is provided with the handlebar cover 7 and the brake handle 8, the brake handle 8 is connected with the material placement frame 2 through a transmission line, and is used to realize the mechanical locking of the pallet on the material placement frame 2 .

The material placement frame 2 comprises a first base plate 12, a second base plate 16, a first side plate 13, a second side plate 21, a roller 28 and a fixed shaft 33; the first base plate 12 is parallel to the second base plate 16 Set and fixedly arranged at both ends of the first side plate 13, the second side plate 21 is arranged parallel to the first side plate 13 and fixedly arranged on the first bottom plate 12 and the second bottom plate 16 Above, several of the rollers 28 are arranged between the first side plate 13 and the second side plate 21, and the rollers 28 can rotate around their own axes, and the two ends of the fixed shaft 33 are fixedly arranged on the On the first side plate 13 and the second side plate 21.

Above the first side plate 13, a first edge strip 17 and a first limit block 18 are arranged, and above the second side plate 21, a second edge strip 20, a retaining strip 22, a second limit block are arranged. Position block 19 and the third edge bar 23, the first limit block 18 is arranged at the end of the first edge bar 17 close to the handlebar 6, and the second limit block 19 is arranged at the end of the handlebar 6 The second edge strip 20 is close to the end of the handlebar 6, the second limiting block 19 and the first limiting block 18 are arranged symmetrically, and the blocking strip 22 is arranged on the second edge Between the strip 20 and the third edge strip 23, a first locking assembly is arranged between the strip 22 and the second edge strip 20, and the strip 22 and the third edge strip 23 is provided with a second locking assembly, and the first locking assembly and the second locking assembly are connected through a transmission assembly.

Both sides of the first bottom plate 12 are provided with a first block 15, a limit screw 26 and a buffer 27, the first block 15 is fixedly arranged on the first bottom plate 12, and the limit screw 26 and the buffer 27 are both arranged on the first block 15 to prevent the end of the material placement frame 2 from colliding with foreign objects.

The first bottom plate 12 is provided with a control assembly, the control assembly includes a hook 24, a stay wire fixing block 25, and a first shaft 30, and the hook 24 is rotatably arranged on the first bottom plate 12 through the first shaft 30, The transmission wire is connected to the hook 24 through the wire fixing block 25, and the hook 24 is arranged in contact with the first safety block 55 of the second locking assembly.

The hook 24 is provided with a first spacer 32, and the hook 24 is set in contact with the first safety block 55 through the first spacer 32, and the first bottom plate 12 is also provided with a guide block 14 In order to realize the guiding effect on the transmission line and prevent the transmission line from being entangled. A protective plate 11 is covered in the middle of the first bottom plate 12 to protect the control assembly.

The transmission assembly includes a linear slide rail, a third side plate 37, and a first spring 31, the third side plate 37 is slidably connected to the second side plate 21 through the linear slide rail, and the first spring 31 It is arranged between the third side plate 37 and the second side plate 21, and the two ends of the first spring 31 are respectively connected to the third side plate 37 and the second side plate 21 to provide elastic force, The third side plate 37 is moved away from the handlebar 6 .

The third side plate 3 is provided with a first unlocking block 35 and a third unlocking block 40, the first unlocking block 35 is set corresponding to the first locking assembly, and the third unlocking block 40 is corresponding to the second Lock component settings.

The end of the third side plate 3 away from the handlebar 6 is fixedly provided with a second unlocking block 39, and the second unlocking block 39 is provided with an unlocking shaft 38 and a second spring, and the second spring has a pair of The unlocking shaft 38 provides elastic force, so that the end of the unlocking shaft 38 protrudes from the second unlocking block 39 .

Preferably, the second side plate 21 is provided with a third limiting block 29, the third side plate 37 is provided with a limiting slot, and the third limiting block 29 is arranged in the limiting slot , so that the relative movement position of the third side plate 37 and the second side plate 21 can be limited.

The unlocking shaft 38 is in contact with the loading and unloading equipment, thereby pushing the third side plate 37 to move toward the handlebar 6 relative to the second side plate 21, so as to realize the unlocking of the first locking assembly; The control assembly controls the second locking assembly, and pulls the third side plate 37 to move away from the handlebar 6 relative to the second side plate 21, because the second spring acts on the unlocking shaft 38 to avoid the impact of the movement of the third side plate 37 on the loading and unloading equipment.

The first locking assembly includes a first torsion spring 43, a second shaft 44, a first bearing sleeve 45, a third bearing 46, a locking block and a control block, and the first bearing sleeve 45 is fixedly arranged on the second side On the plate 21, the second shaft 44 is rotatably arranged in the first bearing sleeve 45 through the third bearing 46, and the two ends of the first torsion spring 43 are respectively connected to the second shaft 44 and the second shaft 44. On the first bearing sleeve 45, the control block is fixed on the second shaft 44, the control block is arranged in contact with the first unlocking block 35, and the locking block is sleeved on the second shaft 44 and the locking block and the control block are connected by the second torsion spring 48, the limit pin 47 is fixedly arranged on the control block, the limit pin 47 is set in contact with the locking block, and the limit Under the position limiting of the positioning pin 4 and the elastic force of the second torsion spring 48, the relative position of the locking block and the control block is guaranteed to be stable. At the same time, through the structural arrangement of the second torsion spring 48, when the locking block performs locking operation, the locking block elastically contacts with the tray, so as to avoid damage to the tray during the locking process.

The locking block includes a fourth block 51 and a fifth block 52 , the fifth block 52 is a flexible contact block disposed on the side of the fourth block 51 . The control block includes a second block 49 and a third block 50 , the third block 50 is a flexible contact block arranged at the bottom of the second block 49 . Generally, the control block is arranged above the locking block.

Preferably, a notch is provided on the second sidewall 20 corresponding to the locking block, and in an unlocked state, the fourth stopper 51 is set in the notch to ensure the smooth passage of the tray.

The second block 49 is provided with an arcuate surface, and the first unlocking block 35 is disposed in contact with the arcuate surface, so that the first unlocking block 35 pushes the second block 49 .

The second locking assembly includes a seated bearing 53, a second spacer 54, a first safety block 55, a second safety block 58, a third safety block 59, a bearing connecting bolt 60, a third shaft 62, and a second bearing sleeve 63, the bearing with seat 53 and the second bearing sleeve 63 are both arranged on the third shaft 62, and the lower end of the third shaft 62 is fixed on the first bottom plate through the bearing with seat 53 12, the third shaft 62 is fixedly arranged on the second side plate 21 through the second bearing sleeve 63, and a third bearing 65 is arranged inside the second bearing sleeve 63, and the third shaft 62 The upper end is fixedly provided with a second safety block 58, and the second safety block 58 is provided with a plectrum, and the plectrum is arranged in contact with the third unlocking block 40, and the first safety block 55 is fixedly arranged on the On the third shaft 62 , the second spacer 54 is sleeved on the third shaft 62 to fix the position of the first safety block 55 on the third shaft 62 .

The second safety block 58 is provided with a third safety block 59 via a bearing connecting bolt 60, the third safety block 59 is arranged in a disc shape, and the bearing connecting bolt 60 is provided with a first bearing 61 to realize the The third safety block 59 can freely rotate around the bearing connecting bolt 60 , and the outer surface of the third safety block 59 is provided with a second bearing 64 .

Cover the protective cover 10 above the second side plate 21 to protect the transmission assembly. Generally, the protective cover 10 is provided with a display hole, and the third side plate 37 is provided corresponding to the display hole. There is a position plate 36, and the position plate 36 is fixedly arranged on the third side plate 37. The position plate 36 is provided with a green mark 41 and a red mark 42, and the third side plate 37 is opposite to the third side plate 37. The sliding of the two side plates 21 realizes the alternate display of the green mark 41 or the red mark 42 at the position of the display hole, thereby reminding the locked or unlocked state.

As shown in Figure 5, Figure 5 is a view of the transmission structure of the material placement rack; the operation mode of this equipment is a purely manual mechanical structure, without other pneumatic or electric devices. When the trolley moves to the loading and unloading equipment, the retaining strip 22 and the third edge retaining strip 23 are fixed on the second side plate 21, the retaining strip 22 is used to guide the carrier, and the carrier is located on the roller 28 moves. The hook 24 is hooked to the loading and unloading equipment, the hook 24 is fixed with the stay wire fixing block 25 , and both of them rotate along the first axis 30 . On the other side, the limit screw 26 and the buffer 27 are fixed on the first block 15 and are fixed on the first bottom plate 12 at the same time. This part of equipment is used for buffering and positioning when the car body touches the loading and unloading equipment, and has no linkage with other equipment. The third limiting block 29 is also fixed on the second side plate 21 . The fixing shaft 33 is connected to the first and second side plates to play a fixing role.

The unlocking shaft 38 contacts the loading and unloading device, pushes the second spring, unlocks the second unlocking block 39 , and jointly pushes the first unlocking block 35 . The first unlocking block 35 is fixed to the position plate 36 and is also fixed to the third side plate 37 . The red mark 41 and the green mark 42 are covered by the movement of the position plate 36, respectively displaying red and green to judge the unlocking state of the vehicle.

The first torsion spring 43 , the second shaft 44 , the first bearing sleeve 45 , and the third bearing 46 are combined rotating sets, and are jointly fixed on the second side plate 21 . Above, the second stopper 49 is fixed on the rotating sleeve, and the limit pin 47 and the second torsion spring 48 are fixed on the second stopper 49 . The third block 50 , the fourth block 51 , and the fifth block 52 are fixed and connected to the rotation sleeve. When the trolley touches the loading and unloading mechanism, the 38 to 42 series of mechanisms will push the first unlocking block 35 to move backward, and the third block 50 will have space to rotate, driving the remaining fourth and fifth blocks to move synchronously, blocking The rear part of the carrier moves forward to realize the locking function.

The belt bearing seat 53 is fixed on the first bottom plate 12, the second spacer 54, the first bearing 61, the third shaft 62, the second bearing sleeve 63, the second The bearing 64 and the third bearing 65 are both fixed on the bearing seat 53 to form a rotating set. The first safety block 55 and the second safety block 58 are fixed on the third shaft 62 and rotate together therewith. The third safety block 59 is disc-shaped, connected and fixed on the second safety block 58 by the bearing connecting bolt 60, and moves together with it.

Pull the brake handle 8, pull the hook 24 through the transmission line, the hook rotates, pushes the first safety block 55, the first safety block rotates along the third axis, and drives the second safety block 58 Rotating, thereby moving the second bearing 64, unlocking the locked state of the tray, and the tray can slide into the loading and unloading device. When the brake handle 8 is released, the above process is reversed, and the second bearing 64 returns to the initial position to lock the tray. Complete the entire locking process.

The above descriptions are only preferred embodiments of the present invention, and are only illustrative rather than restrictive to the present invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, but all will fall within the protection scope of the present invention.

Claims (8)

1. A locking feeding trolley is characterized by comprising a fixed frame and a material placing frame, wherein the material placing frame is horizontally arranged on the fixed frame and is connected with the fixed frame through a damping block; a handlebar is arranged on the fixed frame, and a brake handle is arranged on the handlebar;

the material placing rack comprises a first bottom plate, a second bottom plate, a first side plate, a second side plate and a roller; the first bottom plate and the second bottom plate are arranged in parallel and fixedly arranged at two ends of the first side plate, the second side plate and the first side plate are arranged in parallel and fixedly arranged, the first bottom plate and the second bottom plate are respectively arranged at two ends of the second side plate and the first side plate, a plurality of rollers are arranged between the first side plate and the second side plate, and the rollers can rotate around the axes of the rollers;

a first edge blocking strip is arranged above the first side plate, a second edge blocking strip, a blocking strip and a third edge blocking strip are arranged above the second side plate, the blocking strip is arranged between the second edge blocking strip and the third edge blocking strip, a first locking assembly is arranged between the blocking strip and the second edge blocking strip, a second locking assembly is arranged between the blocking strip and the third edge blocking strip, the first locking assembly and the second locking assembly are in transmission connection through a transmission assembly, and the second locking assembly is connected with the brake handle through a control assembly;

the first bottom plate is provided with a control assembly, the control assembly comprises a hook, a stay wire fixing block and a first shaft, the hook is rotatably arranged on the first bottom plate through the first shaft, the brake handle is connected with the stay wire fixing block through a transmission line, the stay wire fixing block is fixedly connected with the hook, the transmission line is connected with the hook through the stay wire fixing block, and the hook is arranged in contact with a first safety block of the second locking assembly;

the transmission assembly comprises a linear slide rail, a third side plate and a first spring, the third side plate is connected with the second side plate in a sliding mode, the first spring is arranged between the third side plate and the second side plate, the two ends of the first spring are connected with the third side plate and the second side plate respectively to provide elastic force, the third side plate is made to move towards the direction far away from the handlebar, a first unlocking block and a third unlocking block are arranged on the third side plate, the first unlocking block corresponds to the first locking assembly, and the third unlocking block corresponds to the second locking assembly.

2. A locking feed trolley as claimed in claim 1 wherein a first stop, a set screw and a bumper are provided on each side of the first base plate, the first stop is fixedly provided on the first base plate, and the set screw and the bumper are provided on the first stop.

3. A locking feeding trolley as claimed in claim 1, wherein a second unlocking block is fixedly disposed at an end of the third side plate away from the handle bar, an unlocking shaft and a second spring are disposed in the second unlocking block, and the second spring provides an elastic force to the unlocking shaft, so that the end of the unlocking shaft extends out of the second unlocking block.

4. A locking feeding trolley as claimed in claim 3, wherein a third limiting block is disposed on the second side plate, a limiting groove is disposed on the third side plate, and the third limiting block is disposed in the limiting groove.

5. A locking feeding trolley as recited in claim 1, wherein the first locking assembly includes a first torsion spring, a second shaft, a first bearing sleeve, a third bearing, a locking block and a control block, the first bearing sleeve is fixedly disposed on the second side plate, the second shaft is rotatably disposed in the first bearing sleeve through the third bearing, two ends of the first torsion spring are respectively connected to the second shaft and the first bearing sleeve, the control block is fixedly disposed on the second shaft, the control block is in contact with the first unlocking block, the locking block is sleeved on the second shaft, the locking block is connected to the control block through the second torsion spring, a limit pin is fixedly disposed on the control block, and the limit pin is in contact with the locking block.

6. A locking feeding trolley as claimed in claim 5, wherein the second locking assembly comprises a bearing with a seat, a second spacer, the first safety block, a second safety block, a third safety block, a bearing connecting bolt, a third shaft and a second bearing sleeve, the bearing with the seat and the second bearing sleeve are both arranged on the third shaft, the lower end of the third shaft is fixedly arranged on the first bottom plate through the bearing with the seat, the third shaft is fixedly arranged on the second side plate through the second bearing sleeve, a third bearing is arranged in the second bearing sleeve, the second safety block is fixedly arranged at the upper end of the third shaft, a shifting piece is arranged on the second safety block, the shifting piece is in contact with the third unlocking block, and the first safety block is fixedly arranged on the third shaft.

7. A locking feeding trolley as claimed in claim 6, wherein the second safety block is provided with a third safety block through a bearing connecting bolt, the third safety block is shaped like a disk, the bearing connecting bolt is provided with a first bearing to enable the third safety block to rotate freely around the bearing connecting bolt, and the outer circular surface of the third safety block is provided with a second bearing.

8. A locking feeding trolley as claimed in claim 7, wherein a protective cover is provided on the second side plate, a display hole is provided on the protective cover, a position plate is provided on the third side plate corresponding to the display hole, the position plate is fixedly provided on the third side plate, and a green mark and a red mark are provided on the position plate.

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