阅读说明：本技术 一种带轮工装车专用输送及提升设备 (Special conveying and lifting equipment for belt wheel tooling vehicle ) 是由 张荣卫 田贵磊 田英俊 施羽强 张自忠 刘煜 于 2021-09-07 设计创作，主要内容包括：一种带轮工装车专用输送及提升设备,属于输送提升设备技术领域。本发明包括提升机构、设于提升机构一侧的限位框、设于提升机构及限位框内的输送车；提升机构连接限位框的一端设有驱动输送车来回移动于提升机构和限位框内的输送车驱动机构,输送车上设有输送机构。本发明能够直接对大型的带轮工装车进行整体提升和输送,从而大大提高货物输送效率。(The utility model provides a special transport of band pulley frock car and lifting means, belongs to and carries lifting means technical field. The invention comprises a lifting mechanism, a limit frame arranged on one side of the lifting mechanism and a conveying vehicle arranged in the lifting mechanism and the limit frame; one end of the lifting mechanism connected with the limiting frame is provided with a conveying vehicle driving mechanism for driving the conveying vehicle to move back and forth in the lifting mechanism and the limiting frame, and the conveying vehicle is provided with a conveying mechanism. The invention can directly carry out integral lifting and conveying on the large-scale belt wheel tooling vehicle, thereby greatly improving the cargo conveying efficiency.)

1. A special conveying and lifting device for a belt wheel tooling vehicle is characterized by comprising a lifting mechanism, a limiting frame arranged on one side of the lifting mechanism, and a conveying vehicle arranged in the lifting mechanism and the limiting frame; and one end of the lifting mechanism, which is connected with the limiting frame, is provided with a conveying vehicle driving mechanism for driving the conveying vehicle to move back and forth in the lifting mechanism and the limiting frame, and the conveying vehicle is provided with a conveying mechanism.

2. The special conveying and lifting equipment for the belt wheel tooling vehicle as claimed in claim 1, wherein the conveying vehicle driving mechanism comprises a mounting frame, a first motor arranged at the lower part of the mounting frame, a driving chain wheel arranged at the output end of the first motor, two guide chain wheels arranged at the upper end of the mounting frame and a chain; the chain is wound below the driving chain wheel, and two ends of the chain are respectively wound around the two guide chain wheels from the middle of the two guide chain wheels and are respectively connected with two ends of the conveying vehicle.

3. The special conveying and lifting equipment for the belt wheel tooling vehicle as claimed in claim 2, wherein limiting buffers are arranged on both sides of the mounting frame along the moving direction of the conveying vehicle, and limiting plates are arranged on both ends of the conveying vehicle.

4. The special conveying and lifting equipment for the wheeled tool carrier as claimed in claim 1, wherein the conveying vehicle comprises a main body support, a plurality of rollers arranged below two ends of the main body support, guide wheels arranged at two ends of the main body support and matched with the side edges of the limiting frame and the inner side edges of the lifting mechanism, a conveying mechanism mounting frame arranged in the middle of the upper part of the main body support, and tool carrier guide frames arranged at two sides of the upper part of the main body support, and the tool carrier guide frames are provided with lifting mechanism avoiding openings.

5. The special conveying and lifting equipment for the belt wheel tooling vehicle of claim 4, wherein a tooling vehicle caster wheel guide groove is arranged between the conveying mechanism mounting frame and the tooling vehicle guide frame and is far away from the lifting mechanism above the main body support.

6. The special conveying and lifting equipment for the belt wheel tooling vehicle as claimed in claim 1 or 4, wherein the conveying mechanism comprises two conveying chains arranged at intervals, a second motor arranged between the two conveying chains, a transmission shaft in transmission connection with the output end of the second motor, and two transmission chain wheels arranged at two ends of the transmission shaft respectively; the two transmission chain wheels are respectively connected with the two conveying chains.

7. The special conveying and lifting equipment for the belt wheel tooling vehicle as claimed in claim 1, wherein the lifting mechanism comprises two supporting frames which are oppositely arranged, a lifting frame which is connected in the supporting frames in a vertical sliding manner, lifting chain wheels which are arranged at four corners of the supporting frames, a lifting chain which is arranged between the upper lifting chain wheel and the lower lifting chain wheel and is connected with the lifting frame, a lifting shaft which is arranged between the two lifting chain wheels with the same height, and a third motor which is connected with the lifting shaft in a transmission manner; two opposite sides of the lifting frame are provided with telescopic cargo arm assemblies.

8. The special conveying and lifting device for the belt wheel tooling vehicle as claimed in claim 7, wherein the telescopic loading arm assembly comprises two rotating shafts vertically mounted on the side surface of the lifting frame through bearings, a loading arm arranged on the rotating shafts, and a fourth motor simultaneously connected with the two rotating shafts in a transmission manner through a chain wheel and chain assembly.

9. The special conveying and lifting equipment for the belt wheel tooling vehicle of claim 8, wherein at least one of the rotating shafts is fixedly connected with a limiting arm, an arc-shaped limiting groove is formed in the upper side surface of the lifting frame, and a limiting part extending into the arc-shaped limiting groove is arranged on the limiting arm.

10. The special conveying and lifting equipment for the belt wheel tooling vehicle of claim 8, wherein at least two guide posts are arranged on the opposite sides of the two lifting frames, the upper ends of the guide posts are provided with conical heads, and the guide posts are provided with bearings.

Technical Field

The invention relates to the technical field of conveying and lifting equipment, in particular to conveying and lifting equipment special for a belt wheel tooling vehicle.

Background

At present, the transfer of goods between platforms with different heights is generally realized by adopting a tray lifting conveying mechanism, for example, Chinese utility model application with application number 201621397118.3 discloses a tray lifting conveying mechanism, which comprises a first conveying line and a second conveying line, the second conveying line is higher than the first conveying line, the tray lifting conveying mechanism is characterized in that a lifting mechanism is arranged between the first conveying line and the second conveying line, the lifting mechanism comprises an inverted U-shaped bracket, two vertical rods of the inverted U-shaped bracket are respectively provided with a linear guide rail, the linear guide rail is provided with a lifting roller frame through a slide block, the lifting roller frame is provided with a plurality of conveying rollers, two sides of the conveying rollers are provided with limit stop levers, a longitudinal driving cylinder is arranged between the two vertical rods of the inverted U-shaped bracket, a piston rod of the longitudinal driving cylinder is connected with a supporting block, two ends of the supporting block are respectively provided with a supporting chain wheel, the supporting chain wheel is provided with a supporting chain, one end of the supporting chain is fixedly connected with the lifting roller frame, and the other end of the supporting chain is fixedly connected with the bottom fixing seat on the inverted U-shaped support.

Adopt tray lifting conveying mechanism as above, need place the goods on the tray earlier, carry to take off from the tray after the target platform again, waste time and energy, whole goods conveying efficiency is lower.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a special conveying and lifting device for a belt wheel tooling vehicle, which can directly carry out integral lifting and conveying on a large belt wheel tooling vehicle, so that the cargo conveying efficiency is greatly improved.

The purpose of the invention is realized by the following technical scheme:

a special conveying and lifting device for a belt wheel tooling vehicle comprises a lifting mechanism, a limiting frame arranged on one side of the lifting mechanism, and a conveying vehicle arranged in the lifting mechanism and the limiting frame; and one end of the lifting mechanism, which is connected with the limiting frame, is provided with a conveying vehicle driving mechanism for driving the conveying vehicle to move back and forth in the lifting mechanism and the limiting frame, and the conveying vehicle is provided with a conveying mechanism.

The working principle of the invention is as follows: take the example of transferring a wheeled industrial truck to a high platform: the conveying vehicle is firstly moved into the limiting frame, then the belt wheel tooling vehicle is pushed into the lifting mechanism, the lifting mechanism lifts the belt wheel tooling vehicle to a certain height, then the conveying vehicle is moved into the lifting mechanism, the conveying vehicle is just positioned below the belt wheel tooling vehicle at the moment, then the lifting mechanism gradually transfers the belt wheel tooling vehicle to the conveying vehicle, then the conveying vehicle is moved into the limiting frame again, the object carrying surface on the conveying vehicle is butted with a high platform at the moment, and finally the belt wheel tooling vehicle is output to the high platform from the conveying vehicle through the conveying mechanism on the conveying vehicle. Otherwise, the belt wheel tooling vehicle can be transferred from a high platform to a low platform, and the specific process is not repeated.

Preferably, the conveying vehicle driving mechanism comprises a mounting frame, a first motor arranged at the lower part of the mounting frame, a driving chain wheel arranged at the output end of the first motor, two guide chain wheels arranged at the upper end of the mounting frame and a chain; the chain is wound below the driving chain wheel, and two ends of the chain are respectively wound around the two guide chain wheels from the middle of the two guide chain wheels and are respectively connected with two ends of the conveying vehicle. The conveying vehicle driving mechanism mainly drives the driving chain wheel to rotate through the first motor, the driving chain wheel drives the conveying vehicle to move back and forth through driving the chain, and the arrangement of the guide chain wheel ensures the levelness of the chain on one hand, so that the smoothness and the stability of the conveying vehicle are improved; on the other hand, the matching relation between the chain and the driving chain wheel is strengthened, and the driving stability is further ensured.

Preferably, the two sides of the mounting frame along the moving direction of the conveying vehicle are provided with limiting buffers, and the two ends of the conveying vehicle are provided with limiting plates. Because the needs that set up transport vechicle actuating mechanism, the position of mounting bracket is in between the front and back two sets of gyro wheels of transport vechicle, and the transport vechicle spanes in the mounting bracket both sides promptly, avoids transport vechicle and mounting bracket or even other actuating mechanism to collide, has set up the cooperation structure of above-mentioned spacing buffer and limiting plate.

Preferably, the conveying vehicle comprises a main body support, a plurality of idler wheels arranged below two ends of the main body support, guide wheels arranged on the side edges of the two ends of the main body support and matched with the limiting frame and the inner side edges of the lifting mechanism, a conveying mechanism mounting frame arranged in the middle of the upper portion of the main body support, and tool vehicle guide frames arranged on two sides of the upper portion of the main body support, wherein lifting mechanism avoiding openings are formed in the tool vehicle guide frames. The accuracy of a moving route and a moving position of the conveying vehicle is ensured through the guide wheels on the two sides, and meanwhile, the conveying vehicle is prevented from generating large friction resistance with a limiting frame or a lifting mechanism; the smoothness of the tooling vehicle in and out of the conveying vehicle is improved through the guide frame of the tooling vehicle, and the position stability of the tooling vehicle on the conveying vehicle can be ensured. Specifically, the tool car guide frame is divided into a plurality of unit guide frames through avoiding openings, and the periphery of each unit guide frame is provided with an outward-turning guide inclined plane.

Preferably, a tooling vehicle caster guide groove is arranged above the main body support and between the conveying mechanism mounting frame and the tooling vehicle guide frame and away from the lifting mechanism, the tooling vehicle caster guide groove is formed by plates or rods which are arranged oppositely, and two ends of the tooling vehicle caster guide groove are bent outwards to form a large introduction port, so that the applicability of the tooling vehicle to universal wheels is ensured, namely the direction of the universal wheels is the same as the direction of the tooling vehicle when the tooling vehicle is sent out from the conveying vehicle, and the smoothness of the tooling vehicle when the tooling vehicle is conveyed to a high platform is ensured.

Preferably, the conveying mechanism comprises two conveying chains arranged at intervals, a second motor arranged between the two conveying chains, a transmission shaft in transmission connection with the output end of the second motor, and two transmission chain wheels arranged at two ends of the transmission shaft respectively; the two transmission chain wheels are respectively connected with the two conveying chains. The conveying mechanism supports and conveys the tool car through the two conveying chains so as to ensure the pressure and the friction between the conveying chains and the tool car and ensure the conveying stability; meanwhile, the idler wheel of the tool car is in a suspended state and cannot be clamped into the notch on the main body support of the conveying car.

Preferably, the lifting mechanism comprises two supporting frames which are oppositely arranged, a lifting frame which is connected in the supporting frames in an up-and-down sliding manner, lifting chain wheels which are arranged at four corners of the supporting frames, a lifting chain which is arranged between the upper lifting chain wheel and the lower lifting chain wheel and is connected with the lifting frame, a lifting shaft which is arranged between the two lifting chain wheels with the same height, and a third motor which is in transmission connection with the lifting shaft; two opposite sides of the lifting frame are provided with telescopic cargo arm assemblies. Lifting mechanism realizes the lift of hoisting frame through promoting the chain, and the flexible arm subassembly that carries cargo simultaneously can avoid the frock car to take place to interfere rather than when getting into lifting mechanism to stretch out to frock car bottom again after the frock car targets in place, go up and down with bearing the frock car.

Preferably, the telescopic loading arm assembly comprises two rotating shafts vertically arranged on the side surface of the lifting frame through bearings, a loading arm arranged on the rotating shafts, and a fourth motor which is simultaneously connected with the two rotating shafts in a transmission manner through a chain wheel and chain assembly. The telescopic cargo arm assembly synchronously drives the two cargo arms to rotate through a motor to realize telescopic operation, and the four cargo arms on the two lifting frames ensure the lifting stability of the bearing tool car.

Preferably, at least one of the rotating shafts is fixedly connected with a limiting arm, an arc-shaped limiting groove is formed in the upper side surface of the lifting frame, and a limiting piece extending into the arc-shaped limiting groove is arranged on the limiting arm. Limiting structure is used for ensuring that the arm that carries cargo changes out and targets in place, prevents that the arm that carries cargo from rotating and crossing the head and leading to the condition emergence that can't bear the weight of the frock car, sets up the hoisting frame side on with the arc spacing groove simultaneously, and the staff of being more convenient for observes the position of acquireing the arm that carries cargo to effective improve equipment security.

Preferably, at least two guide posts are arranged on the opposite sides of the two lifting frames, conical heads are arranged at the upper ends of the guide posts, and bearings are arranged on the guide posts. The guide post improves the smoothness and position accuracy of the tooling vehicle when the tooling vehicle enters and exits the lifting mechanism through the arc side surface and rotatability of the bearing; and the conical head at the upper end is used for guiding the stable and smooth position of the tooling vehicle when the tooling vehicle descends.

The invention has the advantages that:

1. the large belt wheel tooling vehicle can be directly lifted and conveyed integrally, so that the cargo conveying efficiency is greatly improved;

2. the conveying vehicle driving mechanism ensures the levelness of the chain through the arrangement of the guide chain wheel, so that the smoothness and the stability of pulling the conveying vehicle are improved; on the other hand, the matching relation between the chain and the driving chain wheel is strengthened, and the stability of transmission is further ensured;

3. the applicability of the universal wheels is ensured by arranging the caster guide groove of the tool carrier on the conveying vehicle, so that the smoothness of the tool carrier when the tool carrier is conveyed from the conveying vehicle to a high platform is ensured;

4. the telescopic cargo carrying mechanism effectively ensures the accuracy of the rotating-out position of the cargo carrying arm by arranging a matching structure of the limiting arm and the arc-shaped limiting groove, thereby improving the safety of equipment;

5. the lifting frame effectively guarantees the position accuracy and the fluency of the tool car in the lifting mechanism in the up-down and in-out process by arranging the guide columns.

Drawings

FIG. 1 is a schematic structural view of a conveying and lifting apparatus dedicated for a wheeled industrial truck according to the present invention;

fig. 2 is a schematic structural view of a driving mechanism of a transport vehicle in the invention:

FIG. 3 is a schematic view of the structure of the transfer car of the present invention;

FIG. 4 is a schematic view of the lifting mechanism of the present invention;

FIG. 5 is a schematic structural view of a lift frame according to the present invention;

in the figure: 1-a lifting mechanism; 2-a limit frame; 3, a delivery wagon; 4-a transport vehicle drive mechanism; 5-a conveying mechanism; 41-a mounting frame; 42-a first motor; 43-a drive sprocket; 44-a guide sprocket; 45-chain; 461-limit buffer; 462-a limiting plate; 31-a body support; 32-a roller; 33-a guide wheel; 34-a conveyor mounting; 351-unit guide; 3511-lead-in bevels; 36-avoidance port; 37-a guide wheel mounting frame; 38-a guide groove; 51-a conveying chain; 52-a second motor; 53-a drive shaft; 11-a support frame; 12-a hoisting frame; 13-a lifting sprocket; 14-lifting chains; 15-a lifting shaft; 16-a third motor; 171-a guide pulley; 172-a guide bar; 181-a rotating shaft; 182-a cargo arm; 183-a fourth motor; 1821-cargo board; 184-a limit arm; 185-arc shaped spacing groove; 19 a guide post; 191-conical head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, a conveying and lifting device special for a belt wheel tooling vehicle comprises a lifting mechanism 1, a limiting frame 2 arranged on one side of the lifting mechanism, and a conveying vehicle 3 arranged in the lifting mechanism 1 and the limiting frame 2; one end of the lifting mechanism 1 connected with the limiting frame 2 is provided with a conveying vehicle driving mechanism 4 for driving the conveying vehicle 3 to move back and forth in the lifting mechanism 1 and the limiting frame 2, and the conveying vehicle 3 is provided with a conveying mechanism 5.

The working principle of the invention is as follows: take the example of transferring a wheeled industrial truck to a high platform: the conveying vehicle is firstly moved into the limiting frame, then the belt wheel tooling vehicle is pushed into the lifting mechanism, the lifting mechanism lifts the belt wheel tooling vehicle to a certain height, then the conveying vehicle is moved into the lifting mechanism, the conveying vehicle is just positioned below the belt wheel tooling vehicle at the moment, then the lifting mechanism gradually transfers the belt wheel tooling vehicle to the conveying vehicle, then the conveying vehicle is moved into the limiting frame again, the object carrying surface on the conveying vehicle is butted with a high platform at the moment, and finally the belt wheel tooling vehicle is output to the high platform from the conveying vehicle through the conveying mechanism on the conveying vehicle. Otherwise, the belt wheel tooling vehicle can be transferred from a high platform to a low platform, and the specific process is not repeated.

Specifically, the conveyor car driving mechanism 4 includes a mounting frame 41 connected to the lifting mechanism, a first motor 42 disposed at a lower portion of the mounting frame 41, a driving sprocket 43 disposed at an output end of the first motor 42, two guiding sprockets 44 disposed at an upper end of the mounting frame 41, and a chain 45, wherein a distance between the two guiding sprockets 44 is smaller than a diameter of the driving sprocket 43; the chain 45 is wound around the lower side of the driving sprocket 43, and both ends thereof are wound around the two guide sprockets 44 from the middle of the two guide sprockets 44 and are connected to both ends of the transport vehicle 3 in the moving direction. The conveying vehicle driving mechanism mainly drives the driving chain wheel to rotate through the first motor, the driving chain wheel drives the conveying vehicle to move back and forth through driving the chain, and the arrangement of the guide chain wheel ensures the levelness of the chain on one hand, so that the smoothness and the stability of the conveying vehicle are improved; on the other hand, the matching relation between the chain and the driving chain wheel is strengthened, and the driving stability is further ensured.

In addition, limiting buffers 461 are provided on both sides of the mounting frame 41 in the moving direction of the transport vehicle, and limiting plates 462 are provided on both ends of the transport vehicle 3. Because the needs that set up transport vechicle actuating mechanism, the position of mounting bracket is in between the front and back two sets of gyro wheels of transport vechicle, and the transport vechicle spanes in the mounting bracket both sides promptly, avoids transport vechicle and mounting bracket or even other actuating mechanism to collide, has set up the cooperation structure of above-mentioned spacing buffer and limiting plate.

The delivery wagon 3 includes main part support 31, divides four gyro wheels 32 of locating four edges in main part support 31 below, locates the cooperation of main part support 31 both ends side limit leading wheel 33 of inboard side of spacing frame 2 and hoist mechanism, locate the conveying mechanism mounting bracket 34 at main part support 31 top middle part, locate the frock car leading truck of main part support 31 top both sides, it dodges mouth 36 to be equipped with hoist mechanism on the frock car leading truck. The main body support 31 is provided with a guide wheel mounting frame 37 on one side of the roller 32 close to the limiting frame, and the guide wheel 33 is horizontally arranged on the guide wheel mounting frame 37, that is, the guide wheel and the roller are both arranged at the end part of the main body support, so as to ensure the maximum moving range of the conveying vehicle. The accuracy of a moving route and a moving position of the conveying vehicle is ensured through the guide wheels on the two sides, and meanwhile, the conveying vehicle is prevented from generating large friction resistance with a limiting frame or a lifting mechanism; the smoothness of the tooling vehicle in and out of the conveying vehicle is improved through the guide frame of the tooling vehicle, and the position stability of the tooling vehicle on the conveying vehicle can be ensured. Specifically, the number of the avoidance openings is set according to the number of the lifting mechanism cargo carrying arms, the tool car guide frame is divided into a plurality of unit guide frames 351 through the avoidance openings 36, and an outward-turned guide inclined plane 3511 is arranged on the periphery of each unit guide frame 351.

Further, a tooling vehicle caster guide groove 38 is formed in the position, above the main body support 31, far away from between the conveying mechanism mounting frame 34 and the tooling vehicle guide frame and at the position of the lifting mechanism 1, of the tooling vehicle caster guide groove specifically consists of plates or rods which are arranged oppositely, and two ends of the tooling vehicle caster guide groove are bent outwards to form a large introduction port, so that the applicability to universal wheels is ensured, namely the direction of the universal wheels is the same as the direction of the tooling vehicle when the tooling vehicle is sent out from the conveying vehicle, and the smoothness of the tooling vehicle when the tooling vehicle is conveyed to a high platform is ensured.

The conveying mechanism 5 comprises two conveying chains 51 arranged at intervals, a second motor 52 arranged between the two conveying chains 51, a transmission shaft 53 in transmission connection with the output end of the second motor 52, two transmission chain wheels respectively arranged at two ends of the transmission shaft 53, and a conveying guide chain wheel arranged above the transmission chain wheels; the two transmission chain wheels are respectively connected with the two conveying chains 51. The conveying mechanism supports and conveys the tool car through the two conveying chains so as to ensure the pressure and the friction between the conveying chains and the tool car and ensure the conveying stability; meanwhile, the idler wheel of the tool car is in a suspended state and cannot be clamped into the notch on the main body support of the conveying car.

The lifting mechanism 1 comprises two supporting frames 11 which are oppositely arranged, a lifting frame 12 which is connected into the supporting frames 11 in an up-and-down sliding manner, lifting chain wheels 13 which are arranged at four corners of the supporting frames 11, a lifting chain 14 which is arranged between the upper lifting chain wheel 13 and the lower lifting chain wheel 13 and is connected with the lifting frame 12, a lifting shaft 15 which is arranged between the two lifting chain wheels 13 with the same height, and a third motor 16 which is in transmission connection with the lifting shaft 15; two of the lifting frames 12 are provided with telescopic cargo arm assemblies on opposite sides. Wherein, both sides of the lifting frame 12 are provided with guide pulleys 171, and both sides of the guide pulleys 171 in the supporting frame 11 are provided with guide rods 172 matching with the channels thereof. Lifting mechanism realizes the lift of hoisting frame through promoting the chain, and the flexible arm subassembly that carries cargo simultaneously can avoid the frock car to take place to interfere rather than when getting into lifting mechanism to stretch out to frock car bottom again after the frock car targets in place, go up and down with bearing the frock car. Specifically, the telescopic loading arm assembly comprises two rotating shafts 181 vertically mounted on the side surface of the lifting frame 12 through bearings, a loading arm 182 arranged on the rotating shaft 181, and a fourth motor 183 simultaneously connected with the two rotating shafts 181 in a transmission manner through a chain wheel and chain assembly, wherein a loading plate 1821 used for increasing the supporting area is arranged at the end part of the loading arm 182. The telescopic cargo arm assembly synchronously drives the two cargo arms to rotate through a motor to realize telescopic operation, and the four cargo arms on the two lifting frames ensure the lifting stability of the bearing tool car.

One of the rotating shafts 181 is fixedly connected with a limiting arm 184, the upper side surface of the lifting frame 12 is provided with an arc-shaped limiting groove 185, and the limiting arm 184 is provided with a limiting roller extending into the arc-shaped limiting groove 185. Limiting structure is used for ensuring that the arm that carries cargo changes out and targets in place, prevents that the arm that carries cargo from rotating and crossing the head and leading to the condition emergence that can't bear the weight of the frock car, sets up the hoisting frame side on with the arc spacing groove simultaneously, and the staff of being more convenient for observes the position of acquireing the arm that carries cargo to effective improve equipment security.

In addition, two guide posts 19 are arranged on opposite sides of the two lifting frames 12, the upper ends of the guide posts 19 are provided with conical heads 191, and bearings (not shown in the figure) are arranged on the guide posts 19. The guide post improves the smoothness and position accuracy of the tooling vehicle when the tooling vehicle enters and exits the lifting mechanism through the arc side surface and rotatability of the bearing; and the conical head at the upper end is used for guiding the stable and smooth position of the tooling vehicle when the tooling vehicle descends.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.