AGV (Automatic Guided Vehicle)

By designing an AGV transport vehicle, the tank body is stably supported by lifting mechanisms and brackets, the problem of low transportation efficiency of fixed tracks in tank body manufacturing is solved, and efficient flow and stable transportation of tank parts between stations is achieved.

CN222331480UActive Publication Date: 2025-01-10NANTONG CIMC TANK EQUIP CO LTD
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Patent Information

Application Number
CN202422957566.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-01-10
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

During the tank manufacturing process, the fixed rail transport vehicle limits the flow efficiency between tank components, resulting in low transportation efficiency between stations.

Method used

An AGV transport vehicle is designed, including a frame, a driving mechanism, a lifting mechanism and a bracket. The vertical movement of the tank body is achieved through the lifting platform and the lifting assembly, and the tank body is stably supported by the removable bracket and pallet. The driving mechanism drives the AGV transport vehicle to flow between different workstations.

Benefits of technology

It improves the flow efficiency of tank parts between various workstations, reduces manual operation, enhances transportation stability and flexibility, and is suitable for different models of tank bodies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an AGV (Automatic Guided Vehicle). The AGV comprises a frame, a running mechanism, a lifting mechanism and a bracket, the traveling mechanism is fixed to the bottom of the frame and used for driving the frame to travel. The lifting mechanism is provided with a lifting table and a lifting assembly, and the lifting table is installed on the top of the frame through the lifting assembly so that the lifting table can move in the vertical direction. The support is detachably connected to the lifting table so that the support can be replaced and installed conveniently. The support is provided with a supporting plate, and a supporting wall is arranged at the upper end of the supporting plate. The supporting walls oppositely extend in the transverse and upward direction so that the supporting walls can be attached to the peripheral side of the tank body, and therefore the supporting plate can stably abut against and support the tank body. Therefore, the tank body can be placed on the frame through the lifting mechanism and the support, and under the driving of the traveling mechanism, the AGV transport vehicle and the tank body can circulate among different stations, so that the circulation efficiency of components of the tank body among the stations is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of tank manufacturing, in particular to an AGV transport vehicle. Background Art

[0002] AGV is the abbreviation of automatic guided vehicle, which can automatically drive along a set route. At present, AGV transport vehicles are increasingly used in automatic warehouses and factory workshops, and can be used to transport materials and reduce manual handling and operation.

[0003] At the same time, during the manufacturing process of the tank body, each cylinder component needs to be transported to different workstations for processing and assembly.

[0004] However, currently in the field of tank manufacturing, fixed rail transport vehicles are still used to transport various tank components, which limits the flow efficiency between various workstations. Utility Model Content

[0005] The utility model aims to provide an AGV transport vehicle, which can transport tank parts to improve the flow efficiency of the tank parts between various workstations.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] According to one aspect of the present application, the present application provides an AGV transport vehicle that can be used to transport tank bodies, and the AGV transport vehicle includes: a frame; a traveling mechanism, which is installed at the bottom of the frame to drive the AGV transport vehicle to travel; a lifting mechanism, which includes a lifting platform and a lifting assembly; the lifting platform is installed on the top of the frame through the lifting assembly, and driven by the lifting assembly, the lifting platform can move vertically; a bracket, which is detachably connected to the lifting platform; a pallet is provided on the top of the bracket, and a support wall is formed on the upper end of the pallet, and the support wall extends in opposite directions in the lateral and upward directions, and can be fitted on the outer peripheral side of the tank body to support and support the tank body.

[0008] In one embodiment of the present application, the bracket also includes a base plate and a reinforcement plate; the base plate is detachably fixed to the upper end of the lifting platform; the support plate is fixed to the upper surface of the base plate, and the support plate extends laterally; the reinforcement plate is fixed to the upper surface of the base plate, and the reinforcement plate is fixedly connected to the support plate along a longitudinal side.

[0009] In one embodiment of the present application, the lifting assembly includes a lifting seat, a screw rod and a lifting drive unit; the lifting seat is arranged at the top of the frame; the axis of the screw rod is arranged vertically; the top end of the screw rod is fixedly connected to the bottom of the lifting platform; the screw rod is passed through the lifting seat; the lifting drive unit is fixed to the top of the frame, and the output end of the lifting drive unit is passed through the lifting seat and connected to the screw rod, so as to drive the screw rod and the lifting platform to move vertically.

[0010] In one embodiment of the present application, the lifting assembly also includes a guide rod; the guide rod is vertically arranged, and the top of the guide rod is connected to the bottom of the lifting platform; the guide rod is vertically penetrated on the lifting seat, and can slide vertically relative to the lifting seat to guide the lifting platform to rise and fall.

[0011] In one embodiment of the present application, two of the lifting seats and the screw rods are provided; the two lifting seats are arranged at a lateral interval on the top of the frame; and the tops of the two screw rods are connected to the lifting platform.

[0012] In one embodiment of the present application, the lifting assembly also includes a reducer and a coupling; the reducer is arranged at the top of the frame and is connected to the output end of the lifting drive unit; the coupling is connected to the output end of the reducer and is respectively connected to the two screw rods, so that the lifting drive unit can drive the two screw rods to rotate at the same time.

[0013] In one embodiment of the present application, two of the lifting mechanisms and two of the brackets are provided; the two lifting mechanisms are spaced apart at the two ends of the longitudinal direction of the frame, and the lifting mechanisms are provided at the bottom of the corresponding brackets, so that the lifting mechanisms and the brackets can be supported at the two axial ends of the tank body.

[0014] In one embodiment of the present application, the traveling mechanism includes a shock absorbing assembly, a mounting plate, a traveling assembly, and a steering assembly; the shock absorbing assembly is connected to the bottom of the frame; the mounting plate is mounted on the shock absorbing assembly; the traveling assembly is fixed on the mounting plate; the steering assembly is fixed on the mounting plate and connected to the traveling assembly for adjusting the travel direction of the traveling assembly.

[0015] In one embodiment of the present application, the shock absorbing assembly includes a connecting plate, a guide rod, and a shock absorbing spring; the connecting plate is fixed to the bottom of the frame; the top end of the guide rod is fixedly connected to the connecting plate; the mounting plate is located below the connecting plate; the mounting plate is sleeved on the outer periphery of the guide rod and can slide vertically along the guide rod; the shock absorbing spring is arranged between the mounting plate and the connecting plate to support the mounting plate.

[0016] In one embodiment of the present application, the AGV transport vehicle further includes a power supply assembly; the power supply assembly is mounted on the vehicle frame to provide power for the traveling mechanism and the lifting mechanism.

[0017] It can be seen from the above technical solution that the utility model has at least the following advantages and positive effects:

[0018] In the utility model, the AGV transport vehicle includes a frame, a running mechanism, a lifting mechanism and a bracket. The running mechanism is fixed to the bottom of the frame to drive the frame to travel. The lifting mechanism is provided with a lifting platform and a lifting assembly, and the lifting platform is installed on the top of the frame through the lifting assembly, so that the lifting platform can move vertically. The bracket is detachably connected to the lifting platform to facilitate the replacement and installation of the bracket. The bracket is provided with a support plate, and the upper end of the support plate is provided with a support wall. The support walls extend in opposite directions in the lateral and upward directions so that the support walls can fit on the outer peripheral side of the tank body, so that the support plate can stably support and support the tank body. Therefore, the tank body can be placed on the frame through the lifting mechanism and the bracket, and driven by the running mechanism, the AGV transport vehicle and the tank body can flow between different workstations, thereby improving the flow efficiency of the tank body components between various workstations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of an AGV transport vehicle according to an embodiment of the utility model.

[0020] Figure 2 yes Figure 1 Side view of the AGV transporter and tank.

[0021] Figure 3 yes Figure 1 Side view of the bracket of the AGV transporter.

[0022] Figure 4 yes Figure 1 A top view of the bracket of the AGV transport vehicle.

[0023] Figure 5 yes Figure 1 A top view of the AGV transport vehicle.

[0024] Figure 6 yes Figure 1 Front view of the lifting mechanism of the AGV transport vehicle.

[0025] Figure 7 yes Figure 1 A top view of the lifting mechanism of the AGV transport vehicle.

[0026] Figure 8 yes Figure 1Front view of the traveling mechanism of the AGV transport vehicle.

[0027] The following are the descriptions of the reference numerals:

[0028] 1-tank body; 10-frame; 20-traveling mechanism; 21-shock absorbing assembly; 22-mounting plate; 23-traveling assembly; 24-steering assembly; 25-connecting bolts; 30-lifting mechanism; 31-lifting platform; 32-lifting assembly; 33-lifting seat; 34-screw; 35-lifting drive unit; 36-guide rod; 37-reducer; 38-coupling; 40-bracket; 41-support plate; 42-bottom plate; 43-reinforcement plate; 44-support plate; 50-power supply assembly; 51-electrical box; 211-connecting plate; 212-guide rod; 213-shock absorbing spring; 411-support wall. DETAILED DESCRIPTION

[0029] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present invention.

[0030] In the description of the present utility model, it should be understood that in the embodiments shown in the drawings, the indications of directions or positional relationships (such as up, down, left, right, front and back, etc.) are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the indications of these directions also change accordingly.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] During the manufacturing process of the tank body, each tank body component needs to be transported to different workstations for processing and assembly. However, in the field of tank body manufacturing, fixed rail transport vehicles are still used to transport the various tank body components, which limits the flow efficiency between various workstations. Therefore, an AGV transport vehicle is proposed to solve the above problem.

[0033] The scheme is further illustrated by the following examples:

[0034] Figure 1 It is a schematic diagram of an AGV transport vehicle and a tank body according to an embodiment of the utility model. Figure 2 yes Figure 1 Side view of the AGV transporter and tank.

[0035] Among them, in this embodiment, Figure 1 The left and right directions in the figure are the longitudinal directions of the AGV transport vehicle. Figure 2 The left and right directions in the figure are the lateral directions of the AGV transport vehicle.

[0036] See also Figure 1 and Figure 2 The AGV transport vehicle of this embodiment can be used to transport the tank body 1, and can also be used to transport the cylinder of the tank body 1, so that the cylinder can flow between various production stations, thereby improving the production efficiency of the tank body 1.

[0037] Specifically, the AGV transport vehicle may include a frame 10 , a traveling mechanism 20 , a lifting mechanism 30 and a bracket 40 .

[0038] The traveling mechanism 20 may be installed at the bottom of the frame 10 to drive the AGV transport vehicle to travel.

[0039] The lifting mechanism 30 may include a lifting platform 31 and a lifting assembly 32. The lifting platform 31 may be installed on the top of the frame 10 through the lifting assembly 32, and driven by the lifting assembly 32, the lifting platform 31 may move vertically.

[0040] The bracket 40 is used to support and limit the bottom of the tank body 1. The bracket 40 can be detachably connected to the lifting platform 31 to facilitate the replacement of the bracket 40, so that the AGV transport vehicle can meet the transportation and transfer of tank bodies 1 of different models.

[0041] Figure 3 yes Figure 1 Side view of the bracket of the AGV transporter. Figure 4 yes Figure 1 A top view of the bracket of the AGV transport vehicle.

[0042] See also Figure 3 and Figure 4 A support plate 41 may be provided on the top of the bracket 40 .

[0043] A support wall 411 may be formed at the upper end of the support plate 41. The support wall 411 extends in opposite directions in the lateral and upward directions and can be attached to the outer peripheral side of the tank body 1 to support and support the tank body 1.

[0044] Specifically, the support wall 411 can be configured to be “V”-shaped or arc-shaped, so that the cylinder of the tank body 1 can be placed on the support wall 411 and limited by the support wall 411 , so that the support wall 411 can stably support the tank body 1 .

[0045] like Figure 3 As shown, when the support wall 411 is set to an arc shape, the support wall 411 can match the shape of the outer peripheral side of the tank body 1, so that the support wall 411 can fit on the outer peripheral wall of the tank body 1, thereby supporting and limiting the tank body 1 to prevent the tank body 1 from falling off the pallet 41.

[0046] It should be noted that when transporting tank bodies 1 of different models, an appropriate pallet 41 can be selected according to the model of the tank body 1, so that the support wall 411 on the pallet 41 can be adapted to the outer peripheral wall of the tank body 1, thereby ensuring that the pallet 41 can support and limit the tank body 1, preventing the tank body 1 from falling during transportation, thereby improving transportation efficiency.

[0047] See also Figure 3 and Figure 4 The bracket 40 may further include a bottom plate 42 and a reinforcing plate 43 .

[0048] The bottom plate 42 is detachably fixed to the upper end of the lifting platform 31. The support plate 41 can be fixed to the upper surface of the bottom plate 42 so that the upper end of the support plate 41 can be used to support the tank body 1.

[0049] In this embodiment, the pallet 41 can extend laterally, that is, the length direction of the pallet 41 extends laterally, so that the support wall 411 on the top of the pallet 41 can be supported on the bottom of the tank body 1 and form a limit for the tank body 1 to prevent the tank body 1 from rolling along its axis and preventing the tank body 1 from falling from the pallet 41.

[0050] The reinforcing plate 43 can be fixed on the upper surface of the bottom plate 42 , and one side of the reinforcing plate 43 along the longitudinal direction can be fixedly connected to the supporting plate 41 , thereby enhancing the connection strength between the supporting plate 41 and the bottom plate 42 and ensuring the structural strength of the bracket 40 .

[0051] It should be noted that the bracket 40 may include two support plates 41. The two support plates 41 are arranged on the bottom plate 42 at intervals in the longitudinal direction, and the two support plates 41 can simultaneously support the bottom of the tank body 1, thereby improving the structural strength of the bracket 40 supporting the tank body 1.

[0052] The two support plates 41 on the same bracket 40 can be supported on one end of the tank body 1 at the same time, which can improve the stability of the support of the bracket 40 for the tank body 1 and prevent the tank body 1 from shaking or even falling during transportation.

[0053] See also Figure 3The bracket 40 may also be provided with a support plate 44. The shape of the support plate 44 may match the shape of the support wall 411, so that the support plate 44 can be fixedly connected to the support wall 411 and fit with the outer peripheral wall of the tank body 1.

[0054] At the same time, the width direction of the support plate 44 extends in the longitudinal direction, so that the support plate 44 can be connected to the top of the two support plates 41, thereby improving the overall structural strength of the bracket 40.

[0055] Figure 5 yes Figure 1 A top view of the AGV transport vehicle. Figure 6 yes Figure 1 Front view of the lifting mechanism of the AGV transport vehicle. Figure 7 yes Figure 1 A top view of the lifting mechanism of the AGV transport vehicle.

[0056] See also Figure 5 The lifting assembly 32 may include a lifting seat 33 , a screw rod 34 and a lifting drive unit 35 .

[0057] The lifting seat 33 is arranged on the top of the frame 10. Of course, in some other embodiments, the lifting seat 33 can be arranged on the side of the frame 10, such as the front side or both sides in the lateral direction.

[0058] See also Figure 6 and Figure 7 The axis of the screw rod 34 can be arranged vertically. The top of the screw rod 34 can be connected to the bottom of the lifting platform 31 so that when the screw rod 34 moves vertically, the lifting platform 31 can move with the screw rod 34.

[0059] It should be noted that the top end of the screw rod 34 is connected to the bottom of the lifting platform 31, and the screw rod 34 can rotate relative to the lifting platform 31, so that when the screw rod 34 rotates, the lifting platform 31 can maintain a specific posture.

[0060] The screw rod 34 can be inserted into the lifting seat 33. The lifting drive unit 35 can be fixed on the top of the frame 10, and the output end of the lifting drive unit 35 can be inserted into the lifting seat 33 and connected to the screw rod 34 to drive the screw rod 34 and the lifting platform 31 to move vertically.

[0061] The lifting drive unit 35 can be configured as a drive motor.

[0062] In some other embodiments, the lifting component 32 can also be configured as a driving cylinder or a linear motor, etc., so as to drive the lifting platform 31 to move up and down.

[0063] See also Figure 6 and Figure 7 The lifting assembly 32 may further include a guide rod 36 .

[0064] The guide rod 36 may be arranged vertically, and the top of the guide rod 36 may be fixedly connected to the bottom of the lifting platform 31 , so that the lifting platform 31 can move along with the guide rod 36 .

[0065] The guide rod 36 can be vertically penetrated on the lifting seat 33, and can slide vertically relative to the lifting seat 33 to guide the lifting platform 31 to rise and fall. That is, the guide rod 36 is sleeved on the lifting seat 33, so that the lifting seat 33 can limit the guide rod 36, and the guide rod 36 can slide relative to the lifting seat 33.

[0066] It should be noted that the guide rod 36 is connected between the lifting platform 31 and the lifting seat 33 , and can enhance the stability of the posture of the lifting platform 31 when the lifting platform 31 moves relative to the lifting seat 33 .

[0067] See also Figure 6 and Figure 7 , two lifting seats 33 and two screw rods 34 are provided. The two lifting seats 33 are arranged at intervals on the top of the frame 10 in the lateral direction, and the tops of the two screw rods 34 are connected to the lifting platform 31, so that the two screw rods 34 can drive the lifting platform 31 to rise and fall smoothly.

[0068] It should be noted that the lifting mechanism 30 is provided with two lifting platforms 31, and the two lifting platforms 31 are respectively connected to the tops of the two screw rods 34. At the same time, the two lifting platforms 31 are connected to the bottom of the bracket 40, so that the bracket 40 can be stably connected to the lifting mechanism 30.

[0069] See also Figure 6 and Figure 7 The lifting assembly 32 may further include a reducer 37 and a coupling 38 .

[0070] The reducer 37 can be arranged on the top of the frame 10 and connected to the output end of the lifting drive unit 35. The coupling 38 can be connected to the output end of the reducer 37 and connected to the two screw rods 34 respectively, so that the lifting drive unit 35 can drive the two screw rods 34 to rotate at the same time.

[0071] See also Figure 5 , two lifting mechanisms 30 and two brackets 40 can be provided.

[0072] The two lifting mechanisms 30 are spaced apart at the two ends of the frame 10 in the longitudinal direction, and the lifting mechanisms 30 are arranged at the bottom of the corresponding brackets 40 , so that the lifting mechanisms 30 and the brackets 40 can be supported at the two axial ends of the tank body 1 .

[0073] Figure 8 yes Figure 1 Front view of the traveling mechanism of the AGV transport vehicle.

[0074] See also Figure 8 The traveling mechanism 20 may include a shock absorbing assembly 21 , a mounting plate 22 , a traveling assembly 23 and a steering assembly 24 .

[0075] The shock absorbing assembly 21 can be connected to the bottom of the frame 10. The mounting plate 22 can be mounted on the shock absorbing assembly 21, and the traveling assembly 23 is fixed on the mounting plate 22. That is, the traveling assembly 23 is connected to the shock absorbing assembly 21 through the mounting plate 22, so that the shock absorbing assembly 21 is provided between the traveling assembly 23 and the frame 10 for buffering, thereby enabling the AGV transport vehicle to travel smoothly.

[0076] The steering assembly 24 can be fixed on the mounting plate 22 and connected to the traveling assembly 23 to adjust the traveling direction of the traveling assembly 23 so that the AGV transport vehicle can travel and move automatically.

[0077] See also Figure 8 The shock absorbing assembly 21 may include a connecting plate 211 , a guide rod 212 and a shock absorbing spring 213 .

[0078] The connecting plate 211 can be fixed to the bottom of the frame 10. The top end of the guide rod 212 can be fixedly connected to the connecting plate 211. The mounting plate 22 can be located below the connecting plate 211 and arranged parallel to the connecting plate 211. The mounting plate 22 can be sleeved on the outer periphery of the guide rod 212 so that the mounting plate 22 can slide vertically along the guide rod 212. The shock-absorbing spring 213 can be arranged between the mounting plate 22 and the connecting plate 211 to support the mounting plate 22, so that the shock-absorbing spring 213 can form a buffer for the mounting plate 22, and then the mounting plate 22 and the walking assembly 23 can form a buffer with the frame 10 to ensure the smooth operation of the AGV transport vehicle.

[0079] The shock absorbing assembly 21 may further include a connecting bolt 25 .

[0080] The connecting bolt 25 can be passed between the mounting plate 22 and the connecting plate 211 and passed through the shock absorbing spring 213 to limit the shock absorbing spring 213 and prevent the shock absorbing spring 213 from being separated from between the mounting plate 22 and the connecting plate 211 .

[0081] See also Figure 5 The AGV transport vehicle may further include a power supply assembly 50 . The power supply assembly 50 is mounted on the vehicle frame 10 to provide power for the traveling mechanism 20 and the lifting mechanism 30 .

[0082] It should be noted that the AGV transport vehicle may further include an electrical box 51. The electrical box 51 is mounted on the vehicle frame 10 and connected to the power supply assembly 50 to control the operation or stop of the AGV transport vehicle.

[0083] In addition, the AGV transport vehicle can also be equipped with magnetic navigation and landmark sensors to enable the AGV transport vehicle to travel automatically.

[0084] To sum up, the AGV transport vehicle supports the tank body 1 through the lifting mechanism 30 and the bracket 40, and automatically travels under the drive of the traveling mechanism 20, so that the AGV transport vehicle can drive the tank body 1 to flow between different workstations, thereby improving the flow efficiency of the tank body 1 between each workstation and reducing manpower.

[0085] Although the utility model has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the utility model can be implemented in a variety of forms without departing from the spirit or essence of the utility model, it should be understood that the above-mentioned embodiments are not limited to any of the aforementioned details, but should be widely interpreted within the spirit and scope defined by the attached claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the attached claims.

Claims

1. An AGV transport vehicle, which can be used to transport tanks, is characterized by: The AGV transport vehicle comprises: Frame; A traveling mechanism, which is installed at the bottom of the frame and is used to drive the AGV transport vehicle to travel; A lifting mechanism, comprising a lifting platform and a lifting assembly; the lifting platform is installed on the top of the frame through the lifting assembly, and driven by the lifting assembly, the lifting platform can move vertically; A bracket is detachably connected to the lifting platform; a support plate is arranged on the top of the bracket, and a support wall is formed on the upper end of the support plate. The support wall extends in opposite directions in the lateral and upward directions and can be fitted on the outer peripheral side of the tank body to support and support the tank body.

2. The AGV transport vehicle according to claim 1, characterized in that: The bracket also includes a base plate and a reinforcement plate; the base plate is detachably fixed to the upper end of the lifting platform; the support plate is fixed to the upper surface of the base plate, and the support plate extends horizontally; the reinforcement plate is fixed to the upper surface of the base plate, and the reinforcement plate is fixedly connected to the support plate along one side along the longitudinal direction.

3. The AGV transport vehicle according to claim 1, characterized in that: The lifting assembly includes a lifting seat, a screw rod and a lifting drive unit; the lifting seat is arranged on the top of the frame; the axis of the screw rod is arranged vertically; the top end of the screw rod is connected to the bottom of the lifting platform; the screw rod is passed through the lifting seat; the lifting drive unit is fixed on the top of the frame, and the output end of the lifting drive unit is passed through the lifting seat and connected to the screw rod, so as to drive the screw rod and the lifting platform to move vertically.

4. The AGV transport vehicle according to claim 3, characterized in that: The lifting assembly also includes a guide rod; the guide rod is vertically arranged, and the top of the guide rod is connected to the bottom of the lifting platform; the guide rod is vertically penetrated on the lifting seat, and can slide vertically relative to the lifting seat to guide the lifting platform to rise and fall.

5. The AGV transport vehicle according to claim 3, characterized in that: The lifting seats and the screw rods are both provided with two each; the two lifting seats are arranged at intervals on the top of the frame in a lateral direction; and the tops of the two screw rods are connected to the lifting platform.

6. The AGV transport vehicle according to claim 5, characterized in that: The lifting assembly also includes a reducer and a coupling; the reducer is arranged on the top of the frame and is connected to the output end of the lifting drive unit; the coupling is connected to the output end of the reducer and is respectively connected to the two screw rods, so that the lifting drive unit can drive the two screw rods to rotate at the same time.

7. The AGV transport vehicle according to claim 1, characterized in that: The lifting mechanisms and the brackets are both provided with two; the two lifting mechanisms are spaced apart at the two ends of the longitudinal direction of the frame, and the lifting mechanisms are provided at the bottom of the corresponding brackets, so that the lifting mechanisms and the brackets can be supported at the two axial ends of the tank body.

8. The AGV transport vehicle according to claim 1, characterized in that: The traveling mechanism includes a shock absorbing assembly, a mounting plate, a traveling assembly, and a steering assembly; the shock absorbing assembly is connected to the bottom of the frame; the mounting plate is mounted on the shock absorbing assembly; the traveling assembly is fixed on the mounting plate; the steering assembly is fixed on the mounting plate and connected to the traveling assembly for adjusting the traveling direction of the traveling assembly.

9. The AGV transport vehicle according to claim 8, characterized in that: The shock absorbing assembly includes a connecting plate, a guide rod, and a shock absorbing spring; the connecting plate is fixed to the bottom of the frame; the top end of the guide rod is fixedly connected to the connecting plate; the mounting plate is located below the connecting plate; the mounting plate is sleeved on the outer circumference of the guide rod and can slide vertically along the guide rod; the shock absorbing spring is arranged between the mounting plate and the connecting plate to support the mounting plate.

10. The AGV transport vehicle according to claim 1, characterized in that: It also includes a power supply assembly; the power supply assembly is installed on the frame to provide power for the traveling mechanism and the lifting mechanism.