CN210101197U - Shock-absorbing comprehensive control caster - Google Patents

Abstract

The utility model provides a shock attenuation is combined and is controlled truckle, wheel including fixedly connected with lever support, the lever support rear portion is equipped with damper and middle part activity and pegs graft and have the step screw, step screw outer end is fixed with the collateral branch frame, collateral branch frame top is fixed with the bearing frame, be equipped with a plurality of constant head tanks on the bearing frame, be fixed with the bearing on the bearing frame centre bore, the fixed T type bottom plate of pegging graft in the bearing centre bore, be fixed with gear support on the T type bottom plate, it is connected with first pivot to rotate on the gear support, be fixed with gear and wheel braking pull rod on the first pivot, it can drive the braking reed to brake the wheel to stir the wheel braking pull rod, T type bottom plate rear side is fixed with direction braking bolt seat, the activity is interlude has the direction brake pin on the direction braking bolt seat, direction brake pin outer end is fixed with direction braking and is acted as go-between and is connected, it. This application can realize the brake wheel and the direction integrated control of stopping.

Description

Shock-absorbing comprehensive control caster

Technical Field

The utility model relates to a truckle technical field, concretely relates to shock attenuation is synthesized and is controlled truckle.

Background

The damping trundle is mainly used in the field of mobile containers such as trolleys and mobile trays and comprises a universal damping trundle, a one-way braking damping trundle, a directional damping trundle and a fixed universal conversion damping trundle. The universal shock-absorbing caster wheel is not provided with a braking mechanism, and the direction structure of the universal shock-absorbing caster wheel allows 360-degree rotation; the unidirectional braking shock-absorbing caster is characterized in that a unidirectional braking mechanism is added on the basis of a universal shock-absorbing caster, and the wheels can be braked; the directional shock-absorbing caster has no direction rotating structure, and the direction can not rotate and has no braking mechanism; the fixed universal conversion shock absorption caster is additionally provided with an independent direction braking mechanism on the basis of a universal shock absorption caster or a one-way braking shock absorption caster, and the conversion between 360-degree rotation allowed by a direction structure and directional shock absorption casters can be realized. Generally, the shock-absorbing casters are used in combination, for example, the structure of the cart is that two rear directional wheels or directional shock-absorbing casters are arranged, and two universal shock-absorbing casters and one-way braking shock-absorbing casters are arranged at the front side close to the pushing handrail. The caster has various materials, such as cast iron wheel, nylon wheel, etc. And the inventor of the utility model discovers through research that current truckle arrestment mechanism all is together fixed with the wheel, can only brake the wheel and can not the direction of braking, when the removal that is equipped with current truckle possesses greatly when transporting under the freight train railway carriage in brake state, rocking in the railway carriage or truckle direction can take place rotatoryly under the exogenic action, remove to possess greatly can not be good fixed in the original place and take place mutual collision, lead to removing the built-in product of possessing and damage, therefore can not satisfy transportation and transport needs well.

SUMMERY OF THE UTILITY MODEL

When transporting under the mobile container that is equipped with current shock attenuation truckle braking status in the freight train railway carriage, rocking or truckle direction can take place to rotate under the exogenic action in the railway carriage, remove the container can not be good fixed and take place to collide each other in situ, lead to removing the container and adorn the product damage, therefore can not satisfy the technical problem that transportation and transport need well, the utility model provides a novel shock attenuation are synthesized and are controlled truckle, this truckle can realize the brake wheel and stop direction integrated control.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the shock-absorbing integrated control caster comprises a wheel, wherein a connecting bolt is fixedly inserted in a central hole of a wheel bearing on the wheel, lever supports are symmetrically and fixedly connected to the connecting bolt on two sides of the wheel, a shock-absorbing mechanism is arranged at the rear part of each lever support, a step screw is movably inserted in the middle of each lever support, a side support is fixedly connected to the outer end of each step screw, a brake support fixedly connected with the side support is clamped in the side support, a bearing seat is fixedly connected to the top of each side support, a plurality of positioning grooves are circumferentially arranged on the cylinder wall of each bearing seat, a bearing is fixedly arranged on the central hole of each bearing seat, a vertical rod of a T-shaped bottom plate is fixedly inserted and matched in the central hole of each bearing, a gear support is fixedly arranged on a horizontal plate of the T-shaped bottom plate, and a first shaft pin, a gear is fixedly sleeved on a first shaft pin inside the gear support, a wheel braking pull rod is fixedly sleeved on the first shaft pin outside the gear support, a wheel braking pull wire interface is arranged on the wheel braking pull rod, a rack is meshed on the gear, the lower end of the rack penetrates through a central hole in a vertical rod of the T-shaped bottom plate and extends out of the bottom of the vertical rod, an open connecting block is rotatably clamped at the lower end of the rack, a second shaft pin is fixedly inserted on the open connecting block, two ends of the second shaft pin are movably erected in vertical strip holes in opposite side walls of the brake support, a first connecting rod is movably connected on the second shaft pin, a fourth shaft pin is movably sleeved on the other end of the first connecting rod, a second connecting rod is fixedly connected on the fourth shaft pin, and a third shaft pin is movably inserted on one side, close to the second connecting rod, of the first connecting rod, two ends of the third shaft pin are fixedly connected to opposite side walls of the brake support, a fifth shaft pin is fixedly inserted at the lower end of the second connecting rod, two ends of the fifth shaft pin are movably erected in inclined arc-shaped strip holes of the opposite side walls of the brake support, a third connecting rod and a brake reed which are arranged in a splayed shape are rotatably connected to the fifth shaft pin at two sides of the second connecting rod, a sixth shaft pin is movably inserted at the lower end of the third connecting rod, two ends of the sixth shaft pin are fixedly connected to the opposite side walls of the brake support, a torsion spring is fixedly sleeved on the sixth shaft pin, the lower end of the torsion spring is pre-pressed to abut against a preset clamping groove of a bottom plate of the brake support, the upper end of the torsion spring is pre-pressed on the fifth shaft pin, a seventh shaft pin is movably inserted at the lower side of the brake reed, and two ends of the seventh shaft pin are movably erected in, the lower end of the brake reed is an arc brake piece and is arranged close to a wheel, a direction brake bolt seat is fixedly connected to the rear side of a horizontal plate of the T-shaped bottom plate, a direction brake pin is movably inserted into the direction brake bolt seat, a reset spring is sleeved on the direction brake pin located in the direction brake bolt seat, two ends of the reset spring are respectively connected with the inner wall of the direction brake bolt seat and the table wall prepressing of the direction brake pin, the outer end of the direction brake pin is fixedly connected with a direction brake stay wire connector through an eighth shaft pin, a direction brake stay wire connector is arranged on the direction brake stay wire connector, and the inner end, extending out of the direction brake bolt seat, of the direction brake pin is in clamping fit with any one positioning groove in the wall of the bearing block.

Compared with the prior art, the utility model provides a damping is synthesized and is controlled truckle can realize the brake wheel and the direction integrated control of stopping, and the initial condition that the wheel was located when supposing the operation wheel is for relaxing the state, and wheel braking process specifically is: the wheel brake pull rod is stirred by force to drive the first shaft pin to rotate on the gear bracket and further drive the gear on the first shaft pin to rotate, the gear rotates to drive the meshed rack to move upwards and further drive the opening connecting block at the lower end of the rack to move upwards, the opening connecting block moves upwards to drive the second shaft pin to move upwards and further drive the first connecting rod to rotate upwards around the third shaft pin, the fourth shaft pin rotates downwards around the third shaft pin, the fourth shaft pin drives the second connecting rod to move downwards and further drive the fifth shaft pin fixedly inserted at the lower end of the second connecting rod to move downwards, the fifth shaft pin moves downwards to drive the third connecting rod to rotate downwards around the sixth shaft pin, the sixth shaft pin rotates to drive the torsional spring fixedly sleeved on the sixth shaft pin to rotate, at the moment, the torsional spring is in a tightening state, the fifth shaft pin moves downwards to drive the brake reed to move downwards around the seventh shaft pin, and simultaneously the, thereby driving the brake reed to move towards the wheel direction to realize the brake of the wheel; the wheel relaxation process is specifically: loosening the wheel brake pull rod, wherein the torsion spring is reset to drive the third connecting rod to rotate upwards around the sixth shaft pin, the third connecting rod drives the fifth shaft pin to move upwards so as to drive the brake spring leaf to move upwards around the fifth shaft pin, and meanwhile, the seventh shaft pin moves towards the direction far away from the wheel in the horizontal strip hole so as to drive the brake spring leaf to move towards the direction far away from the wheel so as to realize loosening of the wheel; assuming that the initial state in which the wheel is assumed to be directionally operated when the wheel is operated is a directional braking state, the direction relaxing process is specifically: the direction brake stay wire interface is pulled forcefully, so that the eighth shaft pin and the direction brake pin are driven to move in the direction away from the bearing seat, and meanwhile, the reset spring is extruded to enable the direction brake pin to be separated from the positioning groove of the bearing seat, so that the bearing seat can rotate around a bearing positioned on the center hole of the bearing seat, and the direction of the wheel is in a loosening state at the moment; the direction braking process is specifically as follows: and the direction brake wire-pulling interface is loosened, the reset spring resets to drive the direction brake pin and the eighth shaft pin to move towards the direction of the bearing seat, the direction brake pin resets to the positioning groove of the bearing seat, the bearing seat cannot rotate around the bearing on the central hole at the moment, the wheel direction is in a brake state, and the direction brake wire-pulling interface reset are completed.

Further, damper includes shelving at lever bracket rear portion and with collateral branch frame fixed connection's shock attenuation support, the inside fixed mounting of shock attenuation support has the spring holder, the top activity lock joint of spring holder has the spring end cover, the surface of spring end cover has the spring pull rod through the bolt fastening grafting, the lower extreme activity of spring pull rod is passed and is stretched out from the shock attenuation support bottom behind the spring holder, is located the activity has cup jointed damping spring on the spring pull rod in the spring holder, stretches out the spring pull rod lower extreme and the sleeve fixed surface of shock attenuation support bottom are connected, telescopic inside fixed cover has been connected with fixing bolt, fixing bolt's both ends are fixed to be pegged graft on the lever bracket of wheel both sides.

Furthermore, two cavities are arranged in the spring seat, and each cavity is internally provided with a spring pull rod in a penetrating mode.

Further, the lower extreme of rack is provided with the concave ring, the opening connecting block is including connecting dull and stereotyped and integrated into one piece in the connection curb plate of connecting the relative both sides of dull and stereotyped, connect and seted up the breach on the dull and stereotyped, it rotates the joint on the concave ring through this breach to connect the dull and stereotyped.

Furthermore, the second shaft pin is movably connected with two first connecting rods which are oppositely arranged, and the other end of each first connecting rod is fixedly connected with two second connecting rods which are oppositely arranged through a fourth shaft pin.

Further, the brake reed is made of 65Mn material.

Drawings

Fig. 1 is a schematic view of the shock-absorbing fully-mechanized caster structure.

Fig. 2 is a schematic diagram of the right-side structure of fig. 1.

Fig. 3 is a schematic sectional view along B-B in fig. 2.

Fig. 4 is a schematic structural diagram of the shock-absorbing fully-controlled caster provided by the present invention with part of the structure omitted.

Fig. 5 is a schematic top view of the structure of fig. 1.

Fig. 6 is a schematic sectional view along the direction C-C in fig. 5.

Fig. 7 is a schematic sectional view along the direction D-D in fig. 1.

Fig. 8 is a side view schematic diagram of the damping fully-mechanized caster provided by the present invention.

In the figure, 1, wheel; 2. a wheel bearing; 3. a connecting bolt; 4. a lever bracket; 5. step screws; 6. a side bracket; 7. a brake bracket; 701. a vertical bar hole; 702. inclining the arc-shaped strip hole; 703. horizontal bar holes; 8. a bearing seat; 801. positioning a groove; 9. a bearing; 10. a T-shaped bottom plate; 101. a vertical rod; 102. a horizontal plate; 11. a gear bracket; 12. a first shaft pin; 13. a gear; 14. a wheel brake lever; 141. a wheel brake cable interface; 15. a rack; 16. an opening connecting block; 17. a second shaft pin; 18. a first link; 19. a fourth shaft pin; 20. a second link; 21. a third shaft pin; 22. a fifth shaft pin; 23. a third link; 24. a brake reed; 25. a sixth shaft pin; 26. a torsion spring; 27. a seventh axle pin; 28. the direction brake bolt seat; 29. a direction brake pin; 30. a return spring; 31. an eighth shaft pin; 32. a direction brake cable joint; 321. a direction brake stay wire interface; 33. a shock-absorbing support; 34. a spring seat; 35. a spring end cap; 36. a spring pull rod; 37. a damping spring; 38. a sleeve; 39. and (5) fixing the bolt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the utility model provides a damping comprehensive control caster, which comprises a wheel 1, a connecting bolt 3 is fixedly inserted into a central hole of a wheel bearing 2 on the wheel 1, lever brackets 4 are symmetrically and fixedly connected to the connecting bolt 3 at two sides of the wheel 1, a damping mechanism is arranged at the rear part of the lever bracket 4, a step screw 5 is movably inserted into the middle part of the lever bracket 4, a side bracket 6 is fixedly connected to the outer end of the step screw 5, namely, the left side and the right side of the wheel 1 are both provided with the side bracket 6, a brake bracket 7 fixedly connected with the side bracket is clamped inside the side bracket 6, a bearing seat 8 is fixedly connected to the top of the side bracket 6, a plurality of positioning grooves 801 are circumferentially arranged on the wall of the bearing seat 8, a bearing 9 is fixedly arranged on the central hole of the bearing seat 8, a vertical rod 101 of a T-shaped bottom plate 10 is fixedly inserted and matched in the central hole of the bearing, a gear bracket 11 is fixedly installed on a horizontal plate 102 of the T-shaped bottom plate 10, that is, the T-shaped bottom plate 10 includes a vertical rod 101 and a horizontal plate 102 fixed on the top end of the vertical rod 101, a first shaft pin 12 is rotatably connected to the gear bracket 11, a gear 13 is fixedly sleeved on the first shaft pin 12 positioned inside the gear bracket 11, a wheel brake pull rod 14 is fixedly sleeved on the first shaft pin 12 positioned outside the gear bracket 11, a wheel brake pull wire interface 141 is arranged on the wheel brake pull rod 14, a rack 15 is engaged on the gear 13, the lower end of the rack 15 passes through a central hole on the vertical rod of the T-shaped bottom plate and extends out of the bottom of the vertical rod 101, an open connecting block 16 is rotatably clamped at the lower end of the rack 15, a second shaft pin 17 is fixedly inserted on the open connecting block 16, two ends of the second shaft pin 17 are movably erected in vertical bar holes 701 on opposite side walls of the brake, a first connecting rod 18 is movably connected to the second shaft pin 17, a fourth shaft pin 19 is movably sleeved at the other end of the first connecting rod 18, a second connecting rod 20 is fixedly connected to the fourth shaft pin 19, a third shaft pin 21 is movably inserted and connected to one side of the first connecting rod 18 close to the second connecting rod 20, two ends of the third shaft pin 21 are fixedly connected to opposite side walls of the brake support 7, a fifth shaft pin 22 is fixedly inserted and connected to the lower end of the second connecting rod 20, two ends of the fifth shaft pin 22 are movably erected in inclined arc-shaped strip holes 702 of the opposite side walls of the brake support 7, a third connecting rod 23 and a brake reed 24 which are arranged in a splayed shape are rotatably connected to the fifth shaft pin 22 at two sides of the second connecting rod 20, a sixth shaft pin 25 is movably inserted and connected to the lower end of the third connecting rod 23, two ends of the sixth shaft pin 25 are fixedly connected to the opposite side walls of the brake support 7, a torsion spring 26 is fixedly sleeved on the sixth shaft pin 25, the lower end of the torsion spring 26 is pre-pressed to abut against a preset clamping groove of a bottom plate of the brake bracket 7, the upper end of the torsion spring 26 is pre-pressed to abut against the fifth shaft pin 22, a seventh shaft pin 27 is movably inserted and connected to the lower side of the brake reed 24, two ends of the seventh shaft pin 27 are movably erected in horizontal strip holes 703 of opposite side walls of the brake bracket 7, the lower end of the brake reed 24 is an arc brake pad and is arranged close to the wheel 1, a direction brake latch seat 28 is fixedly connected to the rear side of a horizontal plate 102 of the T-shaped bottom plate 10, a direction brake pin 29 is movably inserted and connected to the direction brake latch seat 28, a return spring 30 is sleeved on the direction brake pin 29 positioned in the direction brake latch seat 28, and two ends of the return spring 30 are respectively pre-pressed and connected with the inner wall of the direction brake latch seat and the, the outer end of the direction brake pin 29 is fixedly connected with a direction brake wire-pulling joint 32 through an eighth shaft pin 31, the direction brake wire-pulling joint 32 is provided with a direction brake wire-pulling interface 321, and the inner end of the direction brake pin 29 extending out of the direction brake bolt seat 28 is in clamping fit with any one positioning groove 801 on the wall of the bearing seat.

Compared with the prior art, the utility model provides a damping is synthesized and is controlled truckle can realize the brake wheel and the direction integrated control of stopping, and the initial condition that the wheel was located when supposing the operation wheel is for relaxing the state, and wheel braking process specifically is: the wheel brake pull rod is stirred by force to drive the first shaft pin to rotate on the gear bracket and further drive the gear on the first shaft pin to rotate, the gear rotates to drive the meshed rack to move upwards and further drive the opening connecting block at the lower end of the rack to move upwards, the opening connecting block moves upwards to drive the second shaft pin to move upwards and further drive the first connecting rod to rotate upwards around the third shaft pin, the fourth shaft pin rotates downwards around the third shaft pin, the fourth shaft pin drives the second connecting rod to move downwards and further drive the fifth shaft pin fixedly inserted at the lower end of the second connecting rod to move downwards, the fifth shaft pin moves downwards to drive the third connecting rod to rotate downwards around the sixth shaft pin, the sixth shaft pin rotates to drive the torsional spring fixedly sleeved on the sixth shaft pin to rotate, at the moment, the torsional spring is in a tightening state, the fifth shaft pin moves downwards to drive the brake reed to move downwards around the seventh shaft pin, and simultaneously the, thereby driving the brake reed to move towards the wheel direction to realize the brake of the wheel; the wheel relaxation process is specifically: loosening the wheel brake pull rod, wherein the torsion spring is reset to drive the third connecting rod to rotate upwards around the sixth shaft pin, the third connecting rod drives the fifth shaft pin to move upwards so as to drive the brake spring leaf to move upwards around the fifth shaft pin, and meanwhile, the seventh shaft pin moves towards the direction far away from the wheel in the horizontal strip hole so as to drive the brake spring leaf to move towards the direction far away from the wheel so as to realize loosening of the wheel; assuming that the initial state in which the wheel is assumed to be directionally operated when the wheel is operated is a directional braking state, the direction relaxing process is specifically: the direction brake stay wire interface is pulled forcefully, so that the eighth shaft pin and the direction brake pin are driven to move in the direction away from the bearing seat, and meanwhile, the reset spring is extruded to enable the direction brake pin to be separated from the positioning groove of the bearing seat, so that the bearing seat can rotate around a bearing positioned on the center hole of the bearing seat, and the direction of the wheel is in a loosening state at the moment; the direction braking process is specifically as follows: and the direction brake wire-pulling interface is loosened, the reset spring resets to drive the direction brake pin and the eighth shaft pin to move towards the direction of the bearing seat, the direction brake pin resets to the positioning groove of the bearing seat, the bearing seat cannot rotate around the bearing on the central hole at the moment, the wheel direction is in a brake state, and the direction brake wire-pulling interface reset are completed. Simultaneously, this application all sets up all parts of brake wheel inside the side branch frame, compares in prior art and directly exposes the brake part and fix in the wheel top, can avoid the brake part to receive to collide and lead to the brake function inefficacy from this.

As a specific embodiment, please refer to fig. 1 and 7, the damping mechanism includes a damping bracket 33 disposed at the rear of the lever bracket 4 and fixedly connected to the side bracket 6, a spring seat 34 is fixedly mounted inside the damping bracket 33, a spring end cover 35 is movably fastened to the top end of the spring seat 34, a spring pull rod 36 is fixedly inserted into the surface of the spring end cover 35 through a bolt, the lower end of the spring pull rod 36 movably penetrates through the spring seat 34 and extends out from the bottom of the damping bracket 33, a damping spring 37 is movably sleeved on the spring pull rod 36 located inside the spring seat 34, that is, two ends of the damping spring 37 are respectively connected to the inner surface of the spring seat 34 and the lower surface of the spring end cover 35, the lower end of the spring pull rod 36 extending out of the bottom of the damping bracket 33 is fixedly connected to the surface of a sleeve 38, a fixing bolt 39 is fixedly sleeved inside the sleeve, two ends of the fixing bolt 39 are fixedly inserted on the lever supports 4 at two sides of the wheel 1. By adopting the damping mechanism provided by the embodiment, when the wheel 1 is suddenly lifted due to uneven ground, the front end of the lever bracket 4 fixedly connected with the wheel 1 is driven to move upwards, so that the rear end of the lever bracket 4 is driven to move downwards around the step screw 5, the rear end of the lever bracket 4 moves downwards to drive the fixing bolt 39 to move downwards, so that the sleeve 38 and the spring pull rod 36 on the fixing bolt 39 are sequentially driven to move downwards, the spring pull rod 36 moves downwards to drive the spring end cover 35 to move downwards, so that the damping spring 37 is extruded through the lower surface of the spring end cover 35 to realize damping, and vice versa. Of course, those skilled in the art can also implement other shock absorbing structures based on the present embodiment.

As a specific embodiment, please refer to fig. 7, two chambers are disposed in the spring seat 34, a spring pull rod 36 penetrates through each chamber, and correspondingly, a damping spring 37 is movably sleeved on each spring pull rod 36 in the spring seat 34, so as to achieve balanced damping when a damping function is achieved.

As a specific embodiment, please refer to fig. 3, a concave ring is disposed at a lower end of the rack 15, the open connection block 16 includes a connection flat plate and connection side plates integrally formed at two opposite sides of the connection flat plate, a gap is disposed on the connection flat plate, and the connection flat plate is rotatably clamped on the concave ring through the gap, so that the clamping fit between the rack 15 and the open connection block 16 is realized.

As a specific embodiment, two first connecting rods 18 which are oppositely arranged are movably connected to the second shaft pin 17, and two second connecting rods 20 which are oppositely arranged are fixedly connected to the other end of the first connecting rod 18 through a fourth shaft pin 19, so that the braking force can be better transmitted through the first connecting rods 18 and the second connecting rods 20, the braking force finally transmitted to the brake spring 24 is more balanced, and the balanced braking is achieved.

As a specific embodiment, the brake reed 24 is made of an existing 65Mn material, that is, the wheel 1 is braked by 65Mn spring steel, so that it is ensured that after the brake reed 24 completes braking the wheel 1, elasticity or deformation can be rapidly recovered, and rapid and effective braking is achieved while high flexibility and plasticity are provided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. The shock-absorbing integrated control caster comprises a wheel and is characterized in that a connecting bolt is fixedly inserted in a central hole of a wheel bearing on the wheel, lever supports are symmetrically and fixedly connected to the connecting bolt on two sides of the wheel, a shock-absorbing mechanism is arranged at the rear part of each lever support, a step screw is movably inserted in the middle of each lever support, a side support is fixedly connected to the outer end of each step screw, a brake support fixedly connected with the side support is clamped in each side support, a bearing seat is fixedly connected to the top of each side support, a plurality of positioning grooves are circumferentially arranged on the cylinder wall of each bearing seat, a bearing is fixedly arranged on the central hole of each bearing seat, a vertical rod of a T-shaped bottom plate is fixedly inserted and matched in the central hole of each bearing, a gear support is fixedly arranged on a horizontal plate of the T-shaped bottom plate, and a first shaft pin is, a gear is fixedly sleeved on a first shaft pin inside the gear support, a wheel braking pull rod is fixedly sleeved on the first shaft pin outside the gear support, a wheel braking pull wire interface is arranged on the wheel braking pull rod, a rack is meshed on the gear, the lower end of the rack penetrates through a central hole in a vertical rod of the T-shaped bottom plate and extends out of the bottom of the vertical rod, an open connecting block is rotatably clamped at the lower end of the rack, a second shaft pin is fixedly inserted on the open connecting block, two ends of the second shaft pin are movably erected in vertical strip holes in opposite side walls of the brake support, a first connecting rod is movably connected on the second shaft pin, a fourth shaft pin is movably sleeved on the other end of the first connecting rod, a second connecting rod is fixedly connected on the fourth shaft pin, and a third shaft pin is movably inserted on one side, close to the second connecting rod, of the first connecting rod, two ends of the third shaft pin are fixedly connected to opposite side walls of the brake support, a fifth shaft pin is fixedly inserted at the lower end of the second connecting rod, two ends of the fifth shaft pin are movably erected in inclined arc-shaped strip holes of the opposite side walls of the brake support, a third connecting rod and a brake reed which are arranged in a splayed shape are rotatably connected to the fifth shaft pin at two sides of the second connecting rod, a sixth shaft pin is movably inserted at the lower end of the third connecting rod, two ends of the sixth shaft pin are fixedly connected to the opposite side walls of the brake support, a torsion spring is fixedly sleeved on the sixth shaft pin, the lower end of the torsion spring is pre-pressed to abut against a preset clamping groove of a bottom plate of the brake support, the upper end of the torsion spring is pre-pressed on the fifth shaft pin, a seventh shaft pin is movably inserted at the lower side of the brake reed, and two ends of the seventh shaft pin are movably erected in, the lower end of the brake reed is an arc brake piece and is arranged close to a wheel, a direction brake bolt seat is fixedly connected to the rear side of a horizontal plate of the T-shaped bottom plate, a direction brake pin is movably inserted into the direction brake bolt seat, a reset spring is sleeved on the direction brake pin located in the direction brake bolt seat, two ends of the reset spring are respectively connected with the inner wall of the direction brake bolt seat and the table wall prepressing of the direction brake pin, the outer end of the direction brake pin is fixedly connected with a direction brake stay wire connector through an eighth shaft pin, a direction brake stay wire connector is arranged on the direction brake stay wire connector, and the inner end, extending out of the direction brake bolt seat, of the direction brake pin is in clamping fit with any one positioning groove in the wall of the bearing block.

2. The shock-absorbing fully-controlled caster wheel as claimed in claim 1, wherein the shock-absorbing mechanism comprises a shock-absorbing support which is placed at the rear part of the lever support and is fixedly connected with the side support, a spring seat is fixedly installed inside the shock-absorbing support, a spring end cover is movably fastened at the top end of the spring seat, a spring pull rod is fixedly inserted on the surface of the spring end cover through a bolt, the lower end of the spring pull rod movably penetrates through the spring seat and then extends out of the bottom of the shock-absorbing support, a shock-absorbing spring is movably sleeved on the spring pull rod in the spring seat, the lower end of the spring pull rod extending out of the bottom of the shock-absorbing support is fixedly connected with the surface of a sleeve, a fixing bolt is fixedly sleeved inside the sleeve, and two ends of the fixing bolt are.

3. The shock-absorbing fully-controlled caster wheel according to claim 2, wherein two chambers are provided in said spring seat, and a spring rod is inserted into each of said chambers.

4. The shock-absorbing integrated control caster wheel as claimed in claim 1, wherein the rack has a concave ring at a lower end thereof, the open connecting block comprises a connecting plate and connecting side plates integrally formed at opposite sides of the connecting plate, the connecting plate has a notch, and the connecting plate is rotatably engaged with the concave ring through the notch.

5. The shock-absorbing fully-controlled caster wheel according to claim 1, wherein two first links are movably connected to the second pivot, and two second links are fixedly connected to the other ends of the first links through a fourth pivot.

6. The shock-absorbing fully-controlled caster according to claim 1, wherein said brake reed is made of 65 Mn.

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