Emergency RGV distribution vehicle

By designing an emergency RGV distribution vehicle, the problem of yarn cart transfer interruption when RGV equipment fails has been solved, achieving stable delivery and positioning of yarn carts, ensuring production continuity and safety, and making it suitable for emergency operations in multiple areas.

CN223851472UActive Publication Date: 2026-01-30CHONGQING POLYCOMP INT
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Patent Information

Application Number
CN202520639888.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-30
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

The existing fiberglass production line logistics system lacks emergency equipment for RGV equipment in case of failure, which leads to interruption of yarn cart transfer and affects production continuity and safety.

Method used

Design an emergency RGV distribution vehicle equipped with wheels, a conveying unit, a braking unit, and a limiting unit. It can travel on the RGV track and achieve stable conveying and positioning of the yarn cart. It has manual braking and longitudinal transport functions.

Benefits of technology

In the event of an RGV malfunction, the emergency RGV distribution vehicle ensures the normal transfer and distribution of yarn carts, improving production stability and safety, meeting the needs of multiple regions, and being easy to operate and promote.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an emergency RGV distribution vehicle which comprises a base, walking wheels are installed at the four corners of the base, the distance between every two opposite walking wheels perpendicular to the advancing direction is matched with the size of an RGV track, and a conveying part used for conveying a yarn vehicle is arranged on the base. When the device is used, the conveying part corresponds to chain wheels, located on the two sides of the distribution trolley, of conveying yarn carts so as to receive and / or output the yarn carts, limiting parts are arranged on the two sides, located in the conveying direction of the conveying part, of the base so as to limit the yarn carts and enable the yarn carts to be stably conveyed by the conveying part, and the device further comprises a braking part which is provided with a braking position and a non-braking position. The walking wheels are braked at the braking position, and the walking wheels can advance at the non-braking position. The normal distribution and transfer work of the logistics yarn vehicle is ensured under the emergency condition of long-time failure interruption of the RGV, and the production safety of a production line is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to glass fiber production transportation technical field, concretely relates to an emergency RGV distribution vehicle. BACKGROUND

[0002] With the continuous improvement of the automation level of the glass fiber production line, the stability requirement of the whole logistics system operation is improved, taking the direct yarn automatic production line as an example, the production line yarn vehicle is in the internal circulation mode, and the continuity and stability requirement of the logistics system operation is very high, if the intermediate transfer distribution link (RGV) of the logistics system is interrupted due to a reason, it will lead to the major accident of the yarn vehicle shortage of drawing and the forced interruption of the production line production, and even can lead to the shutdown.

[0003] In order to solve the problem that the key transfer distribution equipment RGV in the logistics system has no standby emergency equipment, it is urgent to develop an emergency distribution vehicle for the intermediate transfer link (RGV) of the logistics production line in the fault shutdown, to ensure the normal distribution and transfer work of the logistics yarn vehicle under the emergency condition of the long-time fault interruption of the RGV, and to ensure the safety of the production line production. SUMMARY

[0004] In order to realize the above object, the utility model provides an emergency RGV distribution vehicle, and the specific technical scheme is as follows:

[0005] An emergency RGV distribution vehicle, comprising a base, four corners of the base are provided with walking wheels, the walking direction of the walking wheels is the same as the extension direction of the RGV track, the distance between the opposite two walking wheels perpendicular to the walking direction is matched with the size of the RGV track, so that the walking wheels walk on the RGV track during use, a conveying part for conveying the yarn vehicle is arranged on the base, the conveying direction of the conveying part is arranged in the direction perpendicular to the walking direction, the chain wheels of the conveying part corresponding to the yarn vehicles on both sides of the distribution vehicle during use receive and / or output the yarn vehicles, limit parts are arranged on both sides of the conveying direction of the conveying part on the base to limit the yarn vehicles so that they are stably conveyed by the conveying part, and further comprising a brake part, which has a brake position and an unbraked position, the walking wheels are braked in the brake position, and the walking wheels can walk in the unbraked position.

[0006] As preferred, the conveying part comprises:

[0007] Two long strip-shaped plate bodies, the two plate bodies are arranged on the base in the walking direction, and a long groove is formed in the length direction of each plate body;

[0008] A plurality of rollers are rotatably arranged in the long groove of each plate body in the length direction.

[0009] The two rows of rollers arranged on the two plate bodies can support the bottom of the yarn cart, so that the yarn cart can be transported through the rollers after a thrust is provided to the yarn cart.

[0010] As a preference, the conveying part is equipped with a height adjusting structure, which comprises:

[0011] The bottom of each plate body at both ends along the conveying direction is fixedly connected with a fixed plate, and a first threaded hole is formed at each corner of each fixed plate;

[0012] A support plate is fixed at a position corresponding to each fixed plate on the base, and a plurality of second threaded holes corresponding to the first threaded holes of the fixed plate are formed on the support plate;

[0013] A plurality of adjusting pieces with different thicknesses are provided, and a plurality of through holes corresponding to the first threaded holes and the second threaded holes are formed on the adjusting pieces;

[0014] A plurality of bolts are provided corresponding to the first threaded holes and the second threaded holes.

[0015] As a preference, two walking wheels arranged in opposite directions along the advancing direction correspond to the brake part, the base is provided with a hollow space open upward and downward at a position corresponding to the two walking wheels, the walking wheels are installed in the hollow space through a walking shaft, and bearings are arranged on both ends of the walking shaft on the base, and the brake part comprises:

[0016] A hand-holding body has a hand-holding rod and a rectangular block fixedly connected, and the lower surface of the rectangular block is downwardly protruded to form two opposite connecting pieces, and a first through hole is formed at the lower end of each connecting piece.

[0017] A connecting rod has a second through hole formed at the upper end, the second through hole is arranged corresponding to the two first through holes and the upper end is located between the two connecting pieces, a first shaft is arranged in the first through hole, and the two ends of the first shaft are matched with the two first through holes respectively.

[0018] Two transmission pieces, a first frame is arranged upwardly at a position corresponding to the edges of the two walking wheels along the conveying direction on the base, a square block is arranged on the upper horizontal bar of the first frame at a position corresponding to the position adjacent to the upper end of the connecting rod, the square block is provided with a receiving hole penetrating through the upper and lower sides, and the connecting rod passes through the receiving hole, the upper end of each transmission piece is provided with a third through hole, and the two third through holes are matched with the first protruding rods on the two sides of the end of the square block away from the hand-holding rod, and the lower end of each transmission piece is provided with a fourth through hole, and the two fourth through holes are matched with the second protruding rods at the two opposite inner side walls of the square block.

[0019] Parallel distribution rod is arranged along the conveying direction, the middle part of the parallel distribution rod is formed with two oppositely arranged limiting holes, the lower end of the connecting rod is formed with a horizontal rod, and the two ends of the horizontal rod are formed with a third protruding rod matched with the two limiting holes; The two ends of the parallel distribution rod along the conveying direction are both extended downward to form a vertical rod, the lower end of each vertical rod is fixedly connected with an arc-shaped arc-shaped plate matched with a walking wheel, the free end of the arc-shaped plate is outwardly protruded to form a fourth protruding rod on both sides, and the position corresponding to the arc-shaped plate of the supporting plate is provided with two opposite fixed sheets, the opposite positions of the two fixed sheets are both provided with a fifth through hole, and the two fourth protruding rods are matched with the two fifth through holes, and the inner side of the arc-shaped plate is fixedly provided with an arc-shaped rubber compression ring;

[0020] The down-pressing hand-held rod can make the arc-shaped rubber compression ring lock the walking wheel to be in the braking position, and the lifting of the hand-held rod can make the arc-shaped rubber compression ring be separated from the walking wheel to be in the non-braking position.

[0021] As a preferred, a second frame is further included, which is arranged at the edges of the other two walking wheels along the conveying direction on the corresponding base relative to the first frame.

[0022] As a preferred, the first frame and the second frame are both outwardly protruded to form two same short rods at the opposite inner side positions, and the short rods on each frame are arranged on the corresponding frame at the positions of the two ends along the conveying direction, and the free ends of the two short rods on each frame are fixedly connected with a spinning reel guide rod arranged along the conveying direction, and the two spinning reel guide rods constitute the limiting part.

[0023] As a preferred, the two ends of each spinning reel guide rod are both outwardly formed with a guide extension rod deviated from the conveying direction, and the two guide extension rods at the two ends are deviated from the conveying direction in the same direction.

[0024] As a preferred, the base is a quadrilateral frame.

[0025] The emergency RGV distribution vehicle has the following technical effects:

[0026] The emergency RGV distribution vehicle is safe, convenient, high in yarn vehicle transfer efficiency and easy to operate, is applicable to all logistics areas (furnace front, furnace rear and cooling area) of a production line, can realize normal transfer and distribution of yarn vehicles, ensures the safety of operating personnel and the transfer efficiency of yarn vehicles. The inventor successfully develops the RGV emergency distribution vehicle through independent research and development, effectively fills the emergency device blank of the logistics system. The device is not affected by power failure of the production line, and can completely ensure the effectiveness of the emergency. The device completely meets the yarn vehicle transportation requirements, has the functions of manual brake positioning, transverse track movement and longitudinal yarn vehicle transportation, and is reliable in operation. Through practical tests, 3 people can realize normal transfer and distribution of yarn vehicles in an emergency state, and 1 emergency distribution vehicle can meet the normal work load of 2 RGVs. The device meets the use conditions of the RGV areas of the furnace front, furnace rear and cooling area, can be transferred to each area for emergency operation by a manual forklift, and well meets the on-site requirements. The device is independently designed and manufactured, can be copied and easily popularized to other production lines, and can effectively solve the emergency problem of the logistics area.

[0027] As preferred, the 10-line scrap roller is used to process and manufacture the roller for longitudinal sliding of the yarn vehicle, so that the yarn vehicle can normally slide on the emergency distribution vehicle, and labor saving and high efficiency are ensured.

[0028] As preferred, the height adjusting structure is arranged to facilitate quick adjustment to more accurately realize butt joint conveying of the yarn vehicle.

[0029] As preferred, the manual wheel brake system specific structure is manufactured to realize pressing of the brake handle to brake the wheel of the distribution vehicle, and lifting of the handle to release the wheel of the distribution vehicle, so that the emergency distribution vehicle can be parked at a specified position, and the safety and stability of the distribution vehicle during yarn vehicle transfer are ensured.

[0030] As preferred, the specific limiting part is arranged to ensure that the yarn vehicle can be limited on the distribution vehicle, and ensure that the yarn vehicle is stable and reliable during transfer.

[0031] As preferred, the specific structure of the guide lifting rod is arranged to facilitate stable guidance and facilitate lifting operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic view of one specific embodiment of the emergency RGV distribution vehicle provided by the utility model;

[0033] Figure 2 is Figure 1 a structural schematic view of the emergency RGV distribution vehicle cooperating with a forklift;

[0034] Figure 3 is Figure 1 an enlarged schematic view of the hand holding body;

[0035] Figure 4 Fig. 2 is an enlarged schematic view of the transmission piece of Fig. 1; Figure 1 Fig. 3 is an enlarged schematic view of the connecting rod of Fig. 1;

[0036] Figure 5 Fig. 4 is an enlarged schematic view of the parallel distribution rod of Fig. 1. Figure 1 Fig. 5 is an enlarged schematic view of the connecting rod of Fig. 1.

[0037] Figure 6 Fig. 6 is an enlarged schematic view of the parallel distribution rod of Fig. 1. Figure 1

[0038] Figures 1-6 The reference signs in the drawings are as follows:

[0039] 1 base, 2 walking wheel, 3 plate body, 4 roller, 5 fixed flat plate, 6 supporting flat plate, 7 adjusting piece, 8 hand holding body, 9 hand holding rod, 10 rectangular block, 11 connecting piece, 12 connecting rod, 13 transmission piece, 14 first frame, 15 square block, 16 parallel distribution rod, 17 limiting hole, 18 horizontal rod, 19 vertical rod, 20 arc-shaped plate, 21 fixed piece, 22 second frame, 23 short rod, 24 reel guiding rod, 25 guiding and lifting rod, 26 forklift, 27 bearing seat. DETAILED DESCRIPTION

[0040] As shown in Fig. 1, the utility model provides a kind of emergency RGV distribution vehicle, it includes base 1, four corners of the base 1 are all equipped with walking wheel 2, the direction of travel of the walking wheel 2 is same with the extension direction of RGV track when using, the distance between the opposite two walking wheels 2 along the direction of travel is matched with the size of RGV track so that walking wheel 2 is walked on RGV track when using, the conveying part for conveying reel is arranged on the base 1, the conveying direction of the conveying part is arranged along the direction perpendicular to the direction of travel, the conveying reel chain wheel corresponding to the conveying part on both sides of the distribution vehicle is received and / or output reel when using, limiting part is arranged on both sides of the conveying direction of the conveying part on the base 1 to limit reel so that it is stably conveyed by the conveying part, and it further includes brake part, which has brake position and non-brake position, the walking wheel 2 is braked in the brake position, and the walking wheel 2 can travel in the non-brake position. Figures 1-6 In a specific embodiment, as shown in Fig. 2, the conveying part includes:

[0041] Figures 1-2 two long strip-shaped plate bodies 3, the two plate bodies 3 are arranged on the base 1 along the direction of travel and are spaced apart, each plate body 3 is provided with a long groove along the length direction thereof;

[0042] a plurality of rollers 4, a plurality of rollers 4 arranged along the length direction are rotatably installed in each long groove of the two plate bodies 3;

[0043]

[0044] ​​​The two rows of rollers 4 arranged on the two plate bodies 3 can support the bottom of the yarn cart so that the yarn cart can be conveyed through the rollers 4 after a thrust is provided to the yarn cart.

[0045] The yarn cart can normally slide on the emergency distribution vehicle by using the 10-line scrap roller 4 to process the longitudinal sliding roller 4 of the yarn cart, and labor saving and high efficiency are ensured.

[0046] Further, in combination with the accompanying drawings Figures 1-2 The conveying part is equipped with a height adjusting structure, which comprises:

[0047] The bottom of each plate body 3 at both ends in the conveying direction is fixedly connected with a fixed flat plate 5, and a first threaded hole is formed at each corner of each fixed flat plate 5;

[0048] A support flat plate 6 is fixed at a position corresponding to each fixed flat plate 5 on the base 1, and a plurality of second threaded holes corresponding to the first threaded holes of the fixed flat plate 5 are formed on the support flat plate 6;

[0049] A plurality of adjusting pieces 7 of different thicknesses are provided, and a plurality of through holes corresponding to the first threaded holes and the second threaded holes are formed on the adjusting pieces 7;

[0050] A plurality of bolts are provided corresponding to the first threaded holes and the second threaded holes.

[0051] The height adjusting structure is provided to facilitate quick adjustment to more accurately realize the butt joint conveying of the yarn cart.

[0052] Among them, in combination with Figures 1-6 In a specific embodiment, the two walking wheels 2 arranged in opposite directions along the advancing direction correspond to the brake part, the base 1 is hollowed out with openings upward and downward at positions corresponding to the two walking wheels 2, the walking wheels 2 are installed in the hollow space through a walking shaft, bearings are installed at both ends of the walking shaft and arranged on the base, and the walking shaft is positioned and fixed by bearings 27 arranged on the base 1, and the brake part comprises:

[0053] The hand holding body 8 has a hand holding rod 9 and a rectangular block 10 fixedly connected, and the lower surface of the rectangular block 10 protrudes downward to form two opposite connecting pieces 11, and a first through hole is formed at the lower opposite position of each connecting piece 11;

[0054] A connecting rod 12 is provided with a second through hole at the upper end, the second through hole is arranged corresponding to the two first through holes and the upper end is located between the two connecting pieces 11, a first shaft is arranged in the first through hole, and the two ends of the first shaft are respectively matched with the two first through holes to realize the movable connection;

[0055] Two transmission pieces 13, the base 1 upwards extends to set a first frame 14 at the edge along the conveying direction corresponding to the two walking wheels 2, the upper horizontal bar of the first frame 14 sets a square block 15 at the position close to the upper end of the connecting rod 12, the square block 15 is provided with a containing hole passing through the upper and lower sides, and the connecting rod 12 passes through the two, the upper end of the two transmission pieces 13 is provided with a third through hole, and the two third through holes are respectively matched to the first protruding rods on the two sides of the end of the rectangular block 10 away from the hand-held rod 9 to realize the movable matching connection, the lower end of the two transmission pieces 13 is provided with a fourth through hole, and the two fourth through holes are matched to the second protruding rods at the opposite two inner side walls of the square block 15 to realize the movable matching connection;

[0056] A parallel distribution rod 16 is arranged along the conveying direction, the middle part of the parallel distribution rod 16 is formed with two oppositely arranged limiting holes 17, the lower end of the connecting rod 12 is formed with a horizontal rod 18, the two ends of the horizontal rod 18 are formed with third protruding rods matched with the two limiting holes to realize the movable matching connection, the two ends of the parallel distribution rod 16 along the conveying direction are both downwardly extended to form a vertical rod 19, the lower end of each vertical rod 19 is fixedly connected with an arc-shaped arc-shaped plate 20 matched with the walking wheel 2, the two sides of the free end of the arc-shaped plate 20 are outwardly protruded to form fourth protruding rods, the support plate 6 is provided with two opposite fixed pieces 21 corresponding to the positions of the arc-shaped plates 20, the opposite positions of the two fixed pieces 21 are both provided with fifth through holes, the two fourth protruding rods are matched with the two fifth through holes to realize the movable matching connection, and the inner side surface of the arc-shaped plate 20 is fixedly laid with an arc-shaped rubber compression ring;

[0057] The downward pressing of the hand-held rod 9 can make the arc-shaped rubber compression ring lock the walking wheel 2 to be in the braking position, and the lifting of the hand-held rod 9 can make the arc-shaped rubber compression ring be separated from the walking wheel 2 to be in the non-braking position.

[0058] The specific structure of the manual wheel brake system can realize the locking of the brake handle and the distribution of the wheel, the lifting of the handle and the distribution of the wheel, the parking of the emergency distribution vehicle to the specified position, and the safety and stability of the distribution vehicle during the transfer of the yarn vehicle.

[0059] The hand-held body 8, the connecting rod 12, the transmission piece 13 and the parallel distribution rod 16 in the embodiment are in a detachable connection mode.

[0060] Further, the connecting rod 12 comprises an upper threaded rod and a lower hollow tube, an inner thread of the upper part of the hollow tube is matched with the threaded rod, so that the two can be screwed together to adjust the height of the threaded rod extending out of the hollow tube, the upper part of the threaded rod is matched with the two connecting pieces 11 of the hand-held body 8, and the two nuts are sleeved on the lower part of the threaded rod and abut against the upper end of the hollow tube, so as to fix the position of the threaded rod after the threaded rod is rotated to the appropriate height. In this way, the pressing degree of the arc-shaped rubber pressing ring of the brake system on the walking wheel 2 can be adjusted, so that stable braking can be realized.

[0061] Of course, the setting mode of the brake system is not limited to this, for example, independent pads can also be used to be placed at the front and rear positions of the walking wheel 2 to prevent the walking wheel from moving.

[0062] In combination Figures 1-2 , a second frame 22 is arranged at the edges of the other two walking wheels 2 on the corresponding base 1 relative to the first frame 14 in the conveying direction.

[0063] The first frame 14 and the second frame 22 are both inwardly protruded to form two identical short rods 23 at the opposite inner positions, and the short rods 23 on each frame are arranged at the positions of the two ends in the conveying direction on the corresponding frame, and the free ends of the two short rods 23 on each frame are both fixedly connected with a reel guide rod 24 arranged in the conveying direction, and the two reel guide rods 24 constitute the limiting part.

[0064] The specific limiting part is arranged to ensure that the reels can be limited on the distribution vehicle and ensure that the reels are stable and reliable during transfer.

[0065] In a specific embodiment, as shown in Figures 1-2 , each reel guide rod 24 is outwardly formed with a guide extension rod 25 deviated from the conveying direction at the two ends in the conveying direction, and the two guide extension rods 25 at the two ends are deviated from the conveying direction in the same direction.

[0066] The specific structure of the guide extension rod 25 is arranged to facilitate operation.

[0067] Further, the base is a quadrangular frame.

[0068] The operation steps are as follows:

[0069] 1. In an emergency, the distribution vehicle needs to be transferred to the RGV track by a forklift 26, and the emergency distribution vehicle is lifted and removed (the guide extension rod 25 is more conducive to operation), and then it can be directly installed in the RGV track;

[0070] 2. After the distribution car enters the track, one person is responsible for pushing the distribution car to the designated position and using the brake to position it. Two people push the yarn car that needs to be transferred onto the distribution car. After releasing the brake, several people push the distribution car to the designated position, tighten the brake to position it, and several people slide the yarn car onto the designated chain machine. Then, the brake is released to carry out the next transfer and distribution work.

[0071] By repeating the above steps, emergency transportation of yarn can be achieved.

[0072] This emergency RGV distribution vehicle is safe, convenient, highly efficient in yarn cart transfer, and easy to operate. It is applicable to all logistics areas of the production line (before, after, and in the cooling zone), enabling normal transfer and distribution of yarn carts while ensuring efficiency and worker safety. The inventors successfully developed and manufactured the RGV emergency distribution vehicle independently, effectively filling a long-standing gap in emergency equipment for logistics systems. The device's mechanical structure is unaffected by power outages, ensuring complete effectiveness in emergencies. It fully meets yarn cart transportation needs, featuring manual braking and positioning, lateral track movement, and longitudinal yarn cart transport, and operates reliably. Practical testing shows that in an emergency, three people can perform normal yarn cart transfer and distribution, and one emergency distribution vehicle can meet the normal operating workload of two RGVs. The device simultaneously meets the usage requirements of the RGV areas before, after, and in the cooling zone, and can be manually moved to different areas for emergency operations using a forklift, effectively meeting on-site needs. This independently designed and manufactured device is replicable and easily promoted to other production lines, effectively solving the challenges of emergency logistics.

Claims

1. An emergency RGV distribution vehicle, characterized by, The base is provided with walking wheels at four corners, the walking direction of the walking wheels is the same as the extension direction of the RGV track, the distance between the opposite walking wheels in the direction perpendicular to the walking direction matches the size of the RGV track, so that the walking wheels walk on the RGV track in use, the base is provided with a conveying part for conveying the yarn carts, the conveying direction of the conveying part is arranged in the direction perpendicular to the walking direction, the conveying part corresponds to the sprocket of the yarn cart on both sides of the distribution cart to receive and / or output the yarn cart in use, the base is provided with a limiting part on both sides of the conveying direction of the conveying part to limit the yarn cart so that it is stably conveyed by the conveying part, and the base is provided with a brake part having a brake position and a non-brake position, the walking wheels are braked in the brake position, and the walking wheels can walk in the non-brake position.

2. The emergency RGV assignment vehicle of claim 1, wherein, The conveying part comprises: two long strip-shaped plate bodies, the two plate bodies are arranged on the base in the walking direction and are spaced apart, and each plate body is provided with a long groove in the length direction; a plurality of rollers, a plurality of rollers arranged in the length direction are rotatably installed in each long groove of the two plate bodies; the two rows of rollers arranged on the two plate bodies can support the bottom of the yarn cart, so that the yarn cart can be conveyed by the rollers after being provided with a pushing force.

3. The emergency RGV assignment vehicle of claim 2, wherein, The conveying part is provided with a height adjusting structure, which comprises: a fixed flat plate is fixedly connected to the bottom of each plate body at both ends in the conveying direction, and a first threaded hole is formed at each corner of each fixed flat plate; a support flat plate is fixed at a position corresponding to each fixed flat plate on the base, and a plurality of second threaded holes corresponding to the first threaded holes of the fixed flat plate are formed on the support flat plate; a plurality of adjusting pieces of different thicknesses are provided, and a plurality of through holes corresponding to the first threaded holes and the second threaded holes are formed on the adjusting pieces; a plurality of bolts are provided corresponding to the first threaded holes and the second threaded holes.

4. The emergency RGV assignment vehicle of claim 3, wherein, The two walking wheels arranged opposite to each other in the direction perpendicular to the walking direction correspond to the brake part, the base is provided with a hollow space opening upward and downward at a position corresponding to the two walking wheels, the walking wheels are installed in the hollow space through a walking shaft, and bearings arranged on the base are installed at both ends of the walking shaft, and the brake part comprises: a hand-held body having a hand-held rod and a rectangular block fixedly connected, the lower surface of the rectangular block protrudes downward to form two opposite connecting pieces, and a first through hole is formed at the lower opposite position of the two connecting pieces; a connecting rod is provided with a second through hole at the upper end, the second through hole is arranged corresponding to the two first through holes and the upper end is located between the two connecting pieces, a first shaft is arranged in the second through hole, and the two ends of the first shaft are matched with the two first through holes respectively; Two transmission pieces, the first frame is arranged on the corresponding bottom base and extends upward at the edge of the two walking wheels along the conveying direction, a square block is arranged on the upper horizontal bar of the first frame and corresponds to the position of the adjacent upper end of the connecting rod, the square block is provided with a receiving hole penetrating through the upper and lower sides, and the connecting rod passes through the receiving hole, the upper end of each transmission piece is provided with a third through hole, and the two third through holes are matched to the first protruding rods on the two sides of the end of the rectangular block away from the hand-held rod, the lower end of each transmission piece is provided with a fourth through hole, and the two fourth through holes are matched to the second protruding rods at the opposite two inner side walls of the square block. A parallel distribution rod is arranged along the conveying direction, and the middle part of the parallel distribution rod is formed with two oppositely arranged limiting holes, the lower end of the connecting rod is formed with a horizontal rod, the two ends of the horizontal rod are formed with third protruding rods matched with the two limiting holes, the two ends of the parallel distribution rod along the conveying direction are each downwardly extended to form a vertical rod, the lower end of each vertical rod is fixedly connected with an arc-shaped arc-shaped plate matched with the walking wheel, the two sides of the free end of the arc-shaped plate are outwardly protruding to form fourth protruding rods, the support plate is provided with two opposite fixed pieces at positions corresponding to the arc-shaped plates, the opposite positions of the two fixed pieces are each provided with a fifth through hole, and the two fourth protruding rods are matched with the two fifth through holes, and the inner side surface of the arc-shaped plate is fixedly provided with an arc-shaped rubber compression ring. The downward pressing of the hand-held rod can make the arc-shaped rubber compression ring lock the walking wheel to be in the braking position, and the lifting of the hand-held rod can make the arc-shaped rubber compression ring be separated from the walking wheel to be in the non-braking position.

5. The emergency RGV assignment vehicle of claim 4, wherein, The second frame is arranged on the corresponding bottom base and corresponds to the two walking wheels along the conveying direction.

6. The emergency RGV assignment vehicle of claim 5, wherein, The opposite inner side positions of the first frame and the second frame are each inwardly protruding to form two identical short rods, the short rods on each frame are arranged on the corresponding frame at the positions of the two ends along the conveying direction, and the free ends of the two short rods on each frame are fixedly connected with a spinning wheel guide rod arranged along the conveying direction, and the two spinning wheel guide rods constitute the limiting part.

7. The emergency RGV assignment vehicle of claim 6, wherein, The two ends of each spinning wheel guide rod along the conveying direction are each outwardly formed with a guide extension rod deviated from the conveying direction, and the two guide extension rods at the two ends are deviated from the conveying direction in the same direction.

8. The emergency RGV assignment vehicle of claim 7, wherein, The bottom base is a quadrilateral frame.