CN217672588U - Brake braking system applied to transshipment support vehicle - Google Patents

Abstract

The utility model discloses a brake braking system applied to a transshipment support vehicle, the support vehicle comprises a support body, rollers are arranged around the support body, and the rollers are used for moving the support vehicle; the front end of the frame body is provided with a traction assembly, the traction assembly can be connected with a traction device to provide power for the support vehicle, the traction assembly is provided with a handrail, a brake handle is arranged below the handrail, the brake handle is connected with a brake cable, the brake cable is connected with a brake, the brake is fixedly arranged on the roller, and the brake handle is tightly held to drive the brake to lock the roller so as to brake the support vehicle conveniently. The brake braking system applied to the transshipment support vehicle has the advantages of ingenious structural design and convenient operation, adopts a plurality of groups of brake actuating mechanisms to lock the roller, and greatly improves the locking effect; in addition, due to the arrangement of the pressure spring, the roller can be prevented from being locked, the braking reliability of the support vehicle is guaranteed, and the requirements of timeliness and safety of loading and unloading heavy goods on the helicopter are effectively met.

Description

Brake braking system applied to transshipment support vehicle

Technical Field

The utility model relates to a helicopter transportation field especially relates to a be applied to brake braking system of reprinting support car.

Background

The helicopter air transportation has the advantages and characteristics of high operation speed, strong obstacle crossing capability and high social and economic benefits, particularly can accurately realize point-to-point direct transportation at medium and short distances. However, because the transportation helicopter has a small cabin door, a low ramp bearing capacity of a tail cabin door, a low local bearing capacity of a bottom plate in the cabin and a low empennage, the existing loading and unloading equipment and tools (such as a crane and a forklift) cannot meet the loading and unloading requirements of heavy goods with large volume and heavy weight, a support vehicle applied to ground-to-air transfer is urgently needed to solve the above-mentioned major technical problems and safely and reliably realize the loading and unloading and transportation of the heavy goods on the helicopter.

Ordinary walking tray only can realize the function of transportation, even with inside freight to the cabin, because support car self removes, and the goods focus is higher, in the helicopter transportation, the support car causes the potential safety hazard because inertial effect easily takes place to remove, and cabin inner space is narrow and small simultaneously, and ordinary support car turns to the function not enough, can not remove in a flexible way, and consequently, ordinary support car can't satisfy the loading and unloading requirement of transporting the helicopter. In addition, when the support vehicle moves to a designated position, the support vehicle is difficult to stay at the designated position under the influence of inertia, so that the support vehicle with a braking function is necessary to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be applied to the brake braking system of reprinting a support car has the effect that can be fast, reliably brake a support car. The specific technical scheme is as follows:

a brake braking system applied to a transshipment support vehicle is disclosed, wherein the support vehicle comprises a frame body, rollers are arranged on the periphery of the frame body, and the rollers are used for moving the support vehicle; the front end of the frame body is provided with a traction assembly, the traction assembly can be connected with a traction device to provide power for the support vehicle, the traction assembly is provided with a handrail, a brake handle is arranged below the handrail, the brake handle is connected with a brake cable, the brake cable is connected with a brake, the brake is fixedly arranged on the roller, and the brake handle can be tightly held to drive the brake to lock the roller so as to brake the support vehicle conveniently.

The brake comprises a brake shell, a brake driving unit, a brake transmission unit and a brake execution unit, wherein the brake driving unit is hinged with the brake shell, one end of the brake driving unit is connected with a brake cable, the other end of the brake driving unit is connected with the brake transmission unit, the brake transmission unit is connected with the brake execution unit, and the brake driving unit can rotate by pulling the brake cable so as to drive the brake transmission unit to rotate, so that the brake execution unit is driven to extend out to lock the roller.

Furthermore, the brake driving unit comprises a driving rotating shaft, one end of the driving rotating shaft is connected with a brake cable fixing piece, and the brake cable fixing piece is used for fixing a brake cable; the other end of the driving rotating shaft is connected with the driving wheel, the side wall of the driving wheel is provided with a driving claw, and the brake cable fixing piece can drive the driving rotating shaft to rotate by pulling the brake cable, so that the driving wheel is driven to rotate, and the driving claw drives the brake transmission unit to rotate.

Furthermore, the brake transmission unit comprises a transmission ring, the transmission ring is arranged at the center of the brake shell and can rotate relative to the brake shell, a transmission connecting rod is hinged to the transmission ring and connected with the brake execution unit, and the transmission ring can rotate and drive the brake execution unit to stretch out to lock the idler wheel through the transmission connecting rod.

Furthermore, be provided with the driving pawl on the lateral wall of driving ring, the driving pawl is inconsistent with the driving pawl, and the drive wheel rotates so that driving pawl drive driving pawl removes to the drive driving ring rotates.

Further, the driving claw links to each other with reset assembly, and reset assembly includes the spring, and the one end and the braking casing of spring are fixed to be linked to each other, and the other end links to each other with the driving claw, and reset assembly can make the driving claw reset to make the driving ring rotatory withdraw with the braking execution unit who stretches out, remove the locking to the gyro wheel.

Furthermore, the braking shell is provided with an execution unit accommodating groove, the braking execution unit is movably arranged in the execution unit accommodating groove, the braking execution unit comprises a braking rod and a braking sleeve, the braking rod is clamped with the braking sleeve, a sleeve connecting column is arranged on the outer wall of the braking sleeve and is hinged with a transmission connecting rod, and the transmission connecting rod can drive the braking sleeve to move in the execution unit accommodating groove so that the braking rod stretches out or contracts, so that the roller is locked or unlocked.

Furthermore, one end of the brake rod is provided with a clamping flange which is clamped in the brake sleeve, and the other end of the brake rod is provided with a brake block which is used for locking the roller; be provided with the pressure spring in the braking sleeve, the one end and the joint flange of pressure spring link to each other, and the other end links to each other with the braking sleeve, and the pressure spring can provide the buffering for the brake lever to prevent the gyro wheel locking.

Furthermore, the surface of the brake block contacting with the roller is arc-shaped, so that the contact area between the brake block and the roller is increased, and the braking effect is improved.

Furthermore, the brake execution units are in multiple groups and are uniformly distributed on the periphery of the brake transmission unit.

The brake braking system applied to the transshipment support vehicle has the advantages of ingenious structural design and convenient operation, adopts a plurality of groups of brake actuating mechanisms to lock the roller, and greatly improves the locking effect; in addition, the pressure spring is arranged, so that the roller wheels can be prevented from being locked, the braking reliability of the support vehicle is guaranteed, the heavy goods can be guaranteed to be smoothly loaded on the transportation helicopter by adopting the brake system under the operation of a small amount of personnel, and the requirements of timeliness and safety of loading and unloading of the heavy goods on the helicopter are effectively met.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a perspective view of a brake system applied to a transshipment carriage vehicle according to the present invention;

fig. 2 is a side view of the lifting assembly of the brake braking system of the present invention applied to a transshipment carriage vehicle;

fig. 3 is a cross-sectional view of the lifting assembly of the brake braking system of the present invention applied to a transshipment carriage vehicle;

fig. 4 is a perspective view of the roller support rod of the brake system of the transfer carriage of the present invention;

fig. 5 is an exploded view of the output rod of the brake system of the present invention applied to a transshipment carriage vehicle;

fig. 6 is a perspective view 1 of a steering assembly of the brake braking system applied to a transshipment carriage vehicle according to the present invention;

fig. 7 is a perspective view 2 of a steering assembly of the brake braking system applied to a transshipment carriage vehicle according to the present invention;

fig. 8 is a perspective view of a steering arm of the brake braking system applied to the transshipment carriage of the present invention;

fig. 9 is a perspective view of a traction assembly of the brake braking system applied to a transshipment carriage vehicle of the present invention;

fig. 10 is a perspective view of the brake system of the brake braking system for a transshipment carriage of the present invention connected to rollers;

fig. 11 is a schematic view of the brake actuating unit of the brake system applied to the transshipment carriage of the present invention being retracted;

fig. 12 is a schematic view showing the brake actuating unit of the brake braking system applied to the transshipment carriage of the present invention being extended;

fig. 13 is a sectional view of the brake and the roller of the brake braking system applied to the transshipment carriage vehicle according to the present invention;

fig. 14 is a sectional view of a brake actuating unit of a brake system applied to a transshipment truck according to the present invention.

Detailed Description

In order to better understand the purpose, function and specific design scheme of the present invention, the brake braking system applied to the reloading carriage of the present invention is further described in detail with reference to the attached drawings.

As shown in fig. 1 to 14, the support frame vehicle of the brake braking system for a transshipment support frame vehicle of the present invention comprises a frame body 1, a tray 11 for loading goods is disposed on the frame body 1, the frame body 1 is connected with a lifting assembly 2, the lifting assembly 2 is uniformly distributed around the frame body 1, the lifting assembly 2 is connected with a roller 3, and the lifting assembly 2 can adjust the height of the roller 3, so that the roller 3 can be abutted against the ground or suspended, and the frame body 1 is suspended from the ground or abutted against the ground; the front end of the frame body 1 is provided with a traction assembly 4, one end of the traction assembly 4 is provided with a traction ring 41, the traction ring 41 can be connected with a traction device to provide power for the support vehicle, the other end of the traction assembly 4 is connected with a steering assembly 5, the steering assembly 5 is connected with a lifting assembly 2 at the front end, the traction assembly 4 can drive the steering assembly 5 to rotate so as to drive the lifting assembly 2 to rotate to change the moving direction of the roller 3, and therefore the steering function of the support vehicle is achieved.

Specifically, as shown in fig. 2 to 5, the lifting assembly 2 includes a housing 21, a gear set 22, a screw 23, and a rocker 24, the housing 21 is fixedly connected to the frame body 1, one end of an output rod 25 is disposed in the housing 21 and connected to the screw 23, the other end of the output rod 25 is connected to the roller 3, the screw 23 is connected to the gear set 22, the gear set 22 is connected to the rocker 24, and the rotation of the rocker 24 can drive the screw 23 to rotate, so as to drive the output rod 25 to extend and retract relative to the housing 21, thereby adjusting the height of the roller 3.

The output rod 25 includes a threaded sleeve 26 and a roller support rod 27, the threaded sleeve 26 is a hollow rod, one end of the threaded sleeve 26 is accommodated in the housing 21 and can move telescopically relative to the housing 21 but cannot rotate axially relative to the housing 21, for example, a long protrusion is arranged on the inner side wall of the housing 21 along the length direction, an elongated groove is arranged on the outer surface of the corresponding threaded sleeve 26, and the long protrusion and the elongated groove are matched to realize the function that the threaded sleeve 26 can move telescopically relative to the housing 21 but cannot rotate axially relative to the housing 21. In addition, a groove may be formed in the vertical direction of the side wall of the threaded sleeve 26, then a threaded hole is drilled in the housing 21 and connected with a positioning screw, and the positioning screw is in sliding fit with the groove in the side wall of the threaded sleeve 26, so that the up-and-down lifting movement of the threaded sleeve 26 in the housing 21 is ensured.

A screw connecting portion 261 is provided at a top center position of the threaded sleeve 26 to extend inward, a threaded hole matched with the screw 23 is provided at a center position of the screw connecting portion 261, and the threaded sleeve 26 can be driven to move up and down in the housing 21 by rotating the screw 23. The bottom of the threaded sleeve 26 is clamped with a roller support 27, the bottom of the roller support 27 is connected with the roller 3, and the roller support 27 can axially rotate relative to the threaded sleeve 26 and can move up and down relative to the shell 21 along with the threaded sleeve 26.

Specifically, a clamping portion 271 is arranged at one end of the roller support rod 27 connected with the threaded sleeve 26, the diameter of the clamping portion 271 is larger than that of the roller support rod 27, the bottom of the threaded sleeve 26 is connected with a sleeve end cover 262, a through hole is arranged at the center of the sleeve end cover 262, the sleeve end cover 262 is sleeved on the roller support rod 27, and the roller support rod 27 can rotate relative to the sleeve end cover 262; the spring 28 is arranged in the threaded sleeve 26, one end of the spring 28 abuts against the inner wall of the top of the threaded sleeve 26 and sleeved on the outer side of the screw connecting portion 261, the other end of the spring 28 abuts against the clamping portion 271, and under the elastic force action of the spring 28, the clamping portion 271 abuts against the sleeve end cover 262 to achieve connection of the roller support rod 27 and the threaded sleeve 26, namely, the roller support rod 27 can axially rotate relative to the threaded sleeve 26 and can move up and down relative to the shell 21 along with the threaded sleeve 26. Preferably, a rubber gasket is arranged between the clamping portion 271 and the sleeve end cover 262 to reduce noise generated by friction or collision between the clamping portion 271 and the sleeve end cover 262. In addition, by providing the spring 28, the roller rod 27 can slide relatively within the threaded sleeve 26 during the transportation of goods, thereby providing a cushioning effect and a shock absorbing effect when the roller 3 rolls on the ground. Preferably, the top of the roller support rod 27 is provided with a buffering limiting part 275, the buffering limiting part 275 comprises a screw rod accommodating groove, and the screw rod 23 can be inserted into the screw rod accommodating groove and abut against the buffering limiting part 275 to limit the buffering distance of the roller support rod 27.

Preferably, the clamping portion 271 is provided with a bearing seat 272, a bearing is provided in the bearing seat 272, the bearing is connected to the roller supporting rod 27, and the roller supporting rod 27 can rotate relative to the bearing. One end of the bearing, which is far away from the bearing seat 272, is provided with a baffle plate 29, the spring 28 is abutted against the baffle plate 29, the bearing is fixed in the bearing seat 272 under the elastic force action of the spring 28, and the clamping part 271 is abutted against the sleeve end cover 262, so that the connection of the roller support rod 27 and the threaded sleeve 26 is realized. By adding bearings, the roller strut 27 is more easily rotated, thereby facilitating the rotation of the roller 3 driven by the steering assembly 5.

The gear set 22 is arranged on the top of the housing 21, the gear set 22 includes a first bevel gear 221 and a second bevel gear 222, the first bevel gear 221 is engaged with the second bevel gear 222, the rocker 24 is fixedly connected with and coaxially arranged with the second bevel gear 222, the first bevel gear 221 is fixedly connected with and coaxially arranged with the screw 23, the screw 23 is accommodated in the threaded sleeve 26 and is in threaded connection with the screw connecting portion 261, the rocker 24 is rotated to drive the second bevel gear 222 to rotate so as to drive the first bevel gear 221 to rotate and further drive the screw 23 to rotate, the screw 23 is rotated to drive the threaded sleeve 26 to move up and down, and therefore the extension and retraction of the output rod 25 are realized.

The end of the roller supporting rod 27 far away from the shell 21 is connected with a roller bracket 31, and the roller 3 is arranged on the roller bracket 31. The roller support rod 27 of the present embodiment is connected to the steering component 5, and the steering component 5 can drive the roller support rod 27 to rotate, so as to drive the roller bracket 31 to rotate, and further drive the roller 3 to rotate to change the moving direction of the roller 3.

Specifically, one end of the roller arm 27 away from the housing 21 is provided with a bracket connection part 273, and the diameter of the bracket connection part 273 is smaller than that of the roller arm 27, so that a shoulder is formed at the position where the bracket connection part 273 is connected with the roller arm 27; the cross section of the bracket connecting part 273 is polygonal, and a support rod connecting hole matched with the shape of the bracket connecting part 273 is formed in the corresponding roller bracket 31; the end of the bracket connecting portion 273 is provided with a clamp spring groove, the bracket connecting portion 273 can pass through a support rod connecting hole on the roller bracket 31 and make a shaft shoulder on the roller support rod 27 contact with the roller bracket 31, and the clamp spring is connected in the clamp spring groove to realize the connection of the roller support rod 27 and the roller bracket 31.

Preferably, one side of the roller 3 is connected with a brake 61, the brake 61 is connected with a brake cable 62, the brake cable 62 is connected with a brake handle 63, the brake handle 63 is fixedly arranged on the traction assembly 4, and the roller 3 can be braked by pressing the brake handle 63, so that the support vehicle can be conveniently parked.

As shown in fig. 6-9, the steering assembly 5 is fixedly disposed at the front end of the frame body 1, the steering assembly 5 includes a steering fixing rod 51, the steering fixing rod 51 is fixedly connected to the frame body 1, steering connection portions 52 are disposed on two sides of the steering fixing rod 51, the housing 21 of the lifting assembly 2 is fixedly connected to the steering connection portions 52, the steering connection portions 52 are provided with support rod receiving holes, the roller support rods 27 are received in the support rod receiving holes, the roller support rods 27 can rotate relative to the steering connection portions 52, steering arms 53 are disposed in the steering connection portions 52, the steering arms 53 are connected to the roller support rods 27, and the roller support rods 27 can be driven to rotate by driving the steering arms 53 to rotate, so as to drive the rollers 3 to rotate to change the moving direction of the rollers 3.

The steering link 52 is provided with a steering arm receiving groove 54 in the horizontal direction, the steering arm 53 is received in the steering arm receiving groove 54 and connected to the roller bar 27, and the steering arm 53 is restricted in position in the vertical direction by the provision of the steering arm receiving groove 54, so that the steering arm 53 is more smoothly rotated in the horizontal direction.

It should be noted that a plurality of limiting grooves 274 are vertically and uniformly distributed on the outer surface of the roller support rod 27, a roller support rod mounting hole 531 is formed at one end of the steering arm 53 connected with the roller support rod 27, a plurality of limiting protrusions 532 matched with the limiting grooves 274 in shape are arranged in the roller support rod mounting hole 531, the roller support rod 27 can be inserted into the roller support rod mounting hole 531 to realize the connection between the roller support rod 27 and the steering arm 53, and the steering arm 53 can be limited from rotating in the axial direction relative to the roller support rod 27 by the matching of the limiting grooves 274 and the limiting protrusions 532, so that the steering arm 53 works more reliably.

The steering assembly 5 further comprises a guide rod 55, one end of the steering arm 53 is hinged to the guide rod 55, the other end of the steering arm 53 is fixedly connected to the roller support rod 27, the guide rod 55 is connected to a driving arm 56, the driving arm 56 is connected to the traction assembly 4, and the traction assembly 4 can drive the guide rod 55 to move through the driving arm 56, so that the steering arm 53 is driven to rotate to change the moving direction of the roller 3.

The middle position of the steering fixing rod 51 of the embodiment is provided with a steering shaft 57 in a penetrating manner, one end of the steering shaft 57 is connected with the traction component 4, the other end of the steering shaft 57 is connected with the driving arm 56, one end of the driving arm 56 far away from the steering shaft 57 is connected with the middle position of the guide rod 55, the traction component 4 rotates to drive the steering shaft 57 to rotate, so that the driving arm 56 drives the guide rod 55 to move, and further the steering arm 53 is driven to rotate to change the moving direction of the roller 3.

The traction assembly 4 comprises a traction arm 42, a first mounting lug 421 is arranged at the end of the traction arm 42, a second mounting lug 571 is arranged on the steering shaft 57, and the first mounting lug 421 is hinged with the second mounting lug 571, so that the traction assembly 4 is connected with the steering shaft 57. The end of the tow arm 42 remote from the steering assembly 5 is provided with a tow ring 41, the tow ring 41 being connectable to a towing means, such as a winch, tractor or the like, to power the bogie truck. The position of the traction arm 42 close to the traction ring 41 is provided with a handrail 43, and the handrail 43 can facilitate manual pulling of the support vehicle to walk. A brake handle 63 is arranged below the handrail 43, the brake handle 63 is connected with a brake 61 on the roller 3 through a brake cable 62, and the support vehicle can be braked by holding the brake handle 63 tightly.

Specifically, as shown in fig. 10 to 14, the brake 61 includes a brake driving unit 64, a brake transmission unit 65 and a brake execution unit 66, the brake driving unit 64 is hinged to a brake housing 67, one end of the brake driving unit 64 is connected to the brake cable 62, the other end is connected to the brake transmission unit 65, the brake transmission unit 65 is connected to the brake execution unit 66, and the brake transmission unit 65 and the brake execution unit 66 are accommodated in the brake housing 67. Pulling the brake cable 62 rotates the brake driving unit 64 to drive the brake transmission unit 65 to rotate, thereby driving the brake actuating unit 66 to extend to lock the roller 3.

The brake driving unit 64 includes a driving rotation shaft 641, one end of the driving rotation shaft 641 is connected to the brake cable fixing member 642, and the brake cable fixing member 642 is used for fixing the brake cable 62; the other end of the driving shaft 641 is connected to a driving wheel 643, a driving pawl 644 is disposed on a side wall of the driving wheel 643, and pulling the brake cable 62 causes the brake cable fixing member 642 to rotate the driving shaft 641, thereby causing the driving wheel 643 to rotate, so that the driving pawl 644 rotates the brake transmission unit 65.

The brake transmission unit 65 includes a transmission ring 651, the transmission ring 651 is disposed at a central position of the brake housing 67 and can rotate relative to the brake housing 67, a transmission link 652 is hinged on the transmission ring 651, the transmission link 652 is connected with the brake actuating unit 66, and the transmission ring 651 can rotate to drive the brake actuating unit 66 to extend out through the transmission link 652 so as to lock the roller 3.

Drive pawl 653 is disposed on the sidewall of drive ring 651 in this embodiment, drive pawl 653 contacts drive pawl 644, and rotation of drive wheel 643 causes drive pawl 644 to move drive pawl 653, thereby driving drive ring 651 to rotate.

Preferably, drive pawl 653 is coupled to reset assembly 68, and reset assembly 68 includes a spring having one end fixedly coupled to brake housing 67 and the other end coupled to drive pawl 653, so that when brake handle 63 is released, reset assembly 68 resets drive pawl 653, thereby rotating drive ring 651 to retract the extended brake actuating unit 66 and release the locking of roller 3.

The brake housing 67 is provided with an execution unit accommodating groove 671, the brake execution unit 66 is movably arranged in the execution unit accommodating groove 671, the brake execution unit 66 comprises a brake rod 661 and a brake sleeve 662, the brake rod 661 is clamped with the brake sleeve 662, a sleeve connecting column is arranged on the outer wall of the brake sleeve 662, and the sleeve connecting column is hinged to the transmission connecting rod 652. Drive ring 651, drive link 652, and brake sleeve 662 form a crank-link mechanism; by rotating the driving ring 651, the driving link 652 can drive the brake sleeve 662 to move within the actuating unit receiving groove 671 to extend or retract the brake lever 661, thereby achieving locking or unlocking of the roller 3.

One end of the brake lever 661 is provided with a clamping flange 663, the clamping flange 663 is clamped in the brake sleeve 662, the other end of the brake lever 661 is provided with a brake block 664, and the brake block 664 is used for locking the roller 3. Preferably, the surface of the brake block 664 contacting the roller 3 is arc-shaped to increase the contact area with the roller 3, thereby improving the braking effect.

It should be noted that a compression spring 69 is disposed inside the braking sleeve 662, and one end of the compression spring 69 is connected to the clamping flange 663, and the other end is connected to the braking sleeve 662, so as to clamp the braking rod 661 to the braking sleeve 662. The pressure spring 69 can provide a buffer for the brake lever 661 to prevent the roller 3 from locking; in addition, the compression spring 69 can also protect the braking system from damage in case of overload.

Preferably, in order to improve the braking effect, the braking executing unit 66 may be provided with a plurality of groups, in this embodiment, three groups of braking units are uniformly distributed around the braking transmission unit 65.

The brake braking system applied to the transshipment support vehicle has the advantages of ingenious structural design and convenient operation, adopts a plurality of groups of brake actuating mechanisms to lock the roller 3, and greatly improves the locking effect; in addition, the pressure spring is arranged, so that the roller wheels can be prevented from being locked, the braking reliability of the support vehicle is guaranteed, the heavy goods can be guaranteed to be smoothly loaded on the transportation helicopter by adopting the brake system under the operation of a small amount of personnel, and the requirements of timeliness and safety of loading and unloading of the heavy goods on the helicopter are effectively met.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A brake braking system applied to a transshipment support vehicle is characterized in that the support vehicle comprises a frame body, wherein rollers are arranged on the periphery of the frame body and used for moving the support vehicle; the front end of the frame body is provided with a traction assembly, the traction assembly can be connected with a traction device to provide power for the support vehicle, the traction assembly is provided with a handrail, a brake handle is arranged below the handrail, the brake handle is connected with a brake cable, the brake cable is connected with a brake, the brake is fixedly arranged on the roller, and the brake handle is tightly held to drive the brake to lock the roller so as to brake the support vehicle conveniently.

2. The brake actuating system for a transshipment carriage as claimed in claim 1, wherein the brake includes a brake actuating unit, a brake transmission unit and a brake actuating unit, the brake actuating unit is hinged to the brake housing, one end of the brake actuating unit is connected to the brake cable, the other end of the brake actuating unit is connected to the brake transmission unit, the brake transmission unit is connected to the brake actuating unit, and pulling the brake cable rotates the brake actuating unit to actuate the brake transmission unit to rotate, thereby actuating the brake actuating unit to extend to lock the roller.

3. The brake actuating system for a transshipment rack car as claimed in claim 2, wherein the brake actuating unit comprises an actuating shaft, one end of the actuating shaft being connected to a brake cable fixing member for fixing the brake cable; the other end of the driving rotating shaft is connected with the driving wheel, the side wall of the driving wheel is provided with a driving claw, and the brake cable fixing piece can drive the driving rotating shaft to rotate by pulling the brake cable, so that the driving wheel is driven to rotate, and the driving claw drives the brake transmission unit to rotate.

4. The brake braking system for a transshipment carriage as claimed in claim 3, wherein the brake actuating unit includes an actuating ring disposed at a central position of the brake housing and rotatable relative to the brake housing, the actuating ring having an actuating link hinged thereto, the actuating link being connected to the brake actuating unit, and rotation of the actuating ring driving the brake actuating unit to extend through the actuating link to lock the roller.

5. The brake actuating system for a transshipment truck as claimed in claim 4, wherein the drive ring has a drive pawl disposed on a side wall thereof, the drive pawl being engageable with the drive pawl, the drive wheel being rotatable to cause the drive pawl to move the drive pawl and thereby rotate the drive ring.

6. The brake actuating system for a transshipment carriage as claimed in claim 5, wherein the driving pawl is connected to a reset assembly, the reset assembly including a spring, one end of the spring being fixedly connected to the brake housing and the other end of the spring being connected to the driving pawl, the reset assembly being operable to reset the driving pawl to rotate the driving ring to retract the extended brake actuating unit to unlock the roller.

7. The brake system applied to the transshipment rack vehicle as claimed in claim 4, wherein the brake housing is provided with an execution unit receiving slot, the brake execution unit is movably disposed in the execution unit receiving slot, the brake execution unit comprises a brake lever and a brake sleeve, the brake lever is connected with the brake sleeve in a clamping manner, a sleeve connecting post is disposed on an outer wall of the brake sleeve, the sleeve connecting post is hinged to a transmission link, and the transmission link can drive the brake sleeve to move in the execution unit receiving slot to extend or retract the brake lever, so as to lock or unlock the roller.

8. The brake system applied to the transshipment rack vehicle as claimed in claim 7, wherein one end of the brake lever is provided with a clamping flange, the clamping flange is clamped in the brake sleeve, and the other end of the brake lever is provided with a brake block for locking the roller; be provided with the pressure spring in the braking sleeve, the one end and the joint flange of pressure spring link to each other, and the other end links to each other with the braking sleeve, and the pressure spring can provide the buffering for the brake lever to prevent the gyro wheel locking.

9. The brake actuating system for a transshipment carriage as claimed in claim 8, wherein the side of the brake pad contacting the roller is curved to increase the contact area with the roller, thereby increasing the braking effect.

10. The brake braking system applied to the transshipment rack vehicle as claimed in claim 2, wherein the brake actuating units are provided in multiple groups, and are uniformly distributed around the brake transmission unit.

Images