Multifunctional maintenance vehicle

By integrating oil storage tanks, power components and filling components on the body of large vehicle maintenance equipment, and using staggered frame arrangements, the problems of inconvenience and safety risks of existing equipment are solved, and efficient and safe maintenance operations are achieved.

CN222933805UActive Publication Date: 2025-06-03CLW AUTOMOBILE GRP CO LTD
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Patent Information

Application Number
CN202421951023.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-03
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

Existing large-scale vehicle maintenance equipment has problems such as low integration, low space utilization, and inconvenient operation. Especially during the maintenance of mining trucks, operators need to climb into containers or cargo compartments to operate, resulting in low work efficiency and safety risks.

Method used

A multi-function maintenance vehicle is designed. By integrating oil storage tanks, power components and filling components on the body, the frame layout of the high and low is improved to improve the integration and space utilization, and the filling components are set on the frame with a lower height, which is convenient for operators to operate.

Benefits of technology

It achieves high integration and high space utilization, improves operational convenience and safety, and reduces inefficiency and safety risks.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of vehicle maintenance equipment, and discloses a multifunctional maintenance vehicle which comprises a vehicle body and a maintenance system, the vehicle body comprises a first vehicle frame and a second vehicle frame, the second vehicle frame is lower than the first vehicle frame in the height direction of the vehicle body, and the second vehicle frame is lower than the first vehicle frame in the length direction of the vehicle body. The first frame is divided into a first area close to the second frame and a second area far away from the second frame; the maintenance system comprises an oil storage tank, a power assembly and a filling assembly, the filling assembly is arranged on the second frame and used for filling the to-be-maintained vehicle with maintenance oil, the oil storage tank is arranged in the second area, communicated with the filling assembly and used for storing the maintenance oil, and the power assembly is arranged in the first area and used for providing power for the filling assembly. The multifunctional maintenance vehicle is high in integration level and space utilization rate, good in operation convenience and good in safety.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle maintenance equipment, in particular to a multifunctional maintenance vehicle. Background Art

[0002] Due to the high-load working environment of large vehicles, they need to be maintained regularly, such as regularly filling engine oil, hydraulic oil, grease, and diesel. However, due to the large size and heavy weight of large vehicles, and to ensure the normal working efficiency of large vehicles, they need to be maintained at their working sites. Especially for mining trucks, mobile maintenance equipment is mostly used for maintenance. For example, a centralized fuel supply system is integrated on the vehicle. When the mining truck needs to be refueled for maintenance, only the vehicle equipped with the centralized fuel supply system needs to be driven near the mining truck. In the existing maintenance equipment vehicles, for example, placing a container with a fuel supply system inside on the vehicle to form a maintenance vehicle, or installing a fuel supply system in the truck cargo compartment, there are problems such as low integration, low space utilization, and inconvenient operation. Operators need to climb into the container or cargo compartment to operate, which not only has low work efficiency but also poses safety risks.

[0003] Therefore, there is an urgent need for a multifunctional maintenance vehicle to solve the above problems. Summary of the Utility Model

[0004] Based on the above, the purpose of the utility model is to provide a multifunctional maintenance vehicle with high integration, high space utilization, good operation convenience, and good safety.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] A multifunctional maintenance vehicle, comprising:

[0007] A vehicle body, including a first vehicle frame and a second vehicle frame. In the height direction of the vehicle body, the height of the second vehicle frame is lower than that of the first vehicle frame. Along the length direction of the vehicle body, the first vehicle frame is divided into a first area close to the second vehicle frame and a second area far from the second vehicle frame;

[0008] A maintenance system, including an oil storage tank, a power assembly, and a filling assembly. The filling assembly is arranged on the second vehicle frame and is used to fill maintenance oil into the vehicle to be maintained. The oil storage tank is arranged in the second area and is connected to the filling assembly for storing the maintenance oil. The power assembly is arranged in the first area and is used to provide power for the filling assembly.

[0009] As a preferred scheme of the multifunctional maintenance vehicle, the projections of the second vehicle frame and the first vehicle frame on the horizontal plane have an overlapping part.

[0010] As a preferred solution of a multifunctional maintenance vehicle, the oil storage tank includes an engine oil storage area and a hydraulic oil storage area, the engine oil storage area contains engine oil, and the hydraulic oil storage area contains hydraulic oil;

[0011] The filling assembly includes an oil reel and a hydraulic oil reel arranged side by side along the width direction of the vehicle body, an oil filling pipe is wound on the oil reel, and a hydraulic oil filling pipe is wound on the hydraulic oil reel, the oil filling pipe and the hydraulic oil filling pipe are respectively connected to the oil storage area and the hydraulic oil storage area through the power assembly, and the power assembly is used to transport the oil in the oil storage area to the oil filling pipe and to transport the hydraulic oil in the hydraulic oil storage area to the hydraulic oil filling pipe.

[0012] As a preferred solution of a multifunctional maintenance vehicle, the oil storage tank includes a diesel storage area, and the diesel storage area contains diesel;

[0013] The maintenance system also includes a diesel filling assembly, which includes a diesel reel and an oil pump. The diesel reel is arranged on the second frame side by side with the filling assembly along the width direction of the vehicle body. A diesel filling pipe is wound on the diesel reel. The diesel filling pipe is connected to the diesel storage area through the oil pump. The oil pump is used to transport the diesel in the diesel storage area to the diesel filling pipe.

[0014] As a preferred solution for a multifunctional maintenance vehicle, the maintenance system further comprises a grease filling machine, which is arranged in the first area and arranged side by side with the filling assembly along the width direction of the vehicle body.

[0015] As a preferred solution of a multifunctional maintenance vehicle, the maintenance system further includes a cleaning component, and the cleaning component includes:

[0016] A water tank is arranged in the first area and arranged side by side with the power assembly along the width direction of the vehicle body;

[0017] A cleaning reel is arranged on the second frame and is arranged side by side with the filling assembly along the width direction of the vehicle body. A cleaning pipe is wound on the cleaning reel, and the cleaning pipe is connected to the water tank.

[0018] As a preferred embodiment of a multifunctional maintenance vehicle, it also includes an operating box, which includes a box wall and a box door. The box wall cover is arranged on the first area and the second frame to form an operating space. The power assembly and the filling assembly are located in the operating space. The box door is located on the side of the second frame away from the first frame and can be opened or closed.

[0019] As a preferred solution for a multifunctional maintenance vehicle, it also includes:

[0020] A guardrail is provided on the first vehicle frame. Along the length direction of the vehicle body, the guardrail encloses the side of the power assembly close to the second vehicle frame.

[0021] As a preferred solution for a multi-functional maintenance vehicle, it further includes:

[0022] A first ladder is erected along the height direction of the vehicle body on the side or end of the oil storage tank.

[0023] As a preferred solution for a multi-functional maintenance vehicle, it further includes:

[0024] A second ladder is erected between the second area and the second vehicle frame.

[0025] The beneficial effects of the present utility model are:

[0026] The present utility model provides a multi-functional maintenance vehicle, which includes a vehicle body and a maintenance system. By integrating the maintenance system on the vehicle body, it is convenient to move and convenient for maintaining large vehicles, ensuring the working efficiency of large vehicles. At the same time, by arranging the first vehicle frame and the second vehicle frame at different heights, the layout of the maintenance system on the vehicle body can make full use of the space in the height direction, improving the integration degree. And the filling assembly is arranged on the second vehicle frame with a lower height, which is beneficial to the operation of the operator, enabling the operator to perform the filling operation while standing on the ground or on a cushion with a certain height, improving the operation safety and convenience. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present utility model and these drawings.

[0028] Figure 1 It is a structural schematic diagram of the multi-functional maintenance vehicle provided by the embodiment of the present utility model Figure 1 (showing the operation box);

[0029] Figure 2 It is a structural schematic diagram of the vehicle body and the oil storage tank provided by the embodiment of the present utility model;

[0030] Figure 3 It is a structural schematic diagram of the multi-functional maintenance vehicle provided by the embodiment of the present utility model Figure 2 (not showing the operation box);

[0031] Figure 4It is the rear view of the multi-functional maintenance vehicle provided by the embodiment of the present utility model;

[0032] Figure 5 It is the top view of the first area provided by the embodiment of the present utility model.

[0033] In the figure:

[0034] 1. Vehicle body; 11. First vehicle frame; 111. First area; 112. Second area; 12. Second vehicle frame; 2. Maintenance system; 21. Oil storage tank; 22. Power assembly; 221. Pneumatic diaphragm pump; 222. Air compressor; 23. Filling assembly; 231. Oil reel; 232. Hydraulic oil reel; 24. Diesel filling assembly; 241. Diesel reel; 242. Oil pump; 25. Grease filler; 26. Cleaning assembly; 261. Water storage tank; 262. Cleaning reel; 3. Operation box; 4. Guardrail; 5. First ladder; 6. Second ladder; 7. Vehicle head; 8. Wheels; 9. Protection rail; 10. Adapter. Detailed implementation manners

[0035] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. Additionally, it should be noted that for the sake of description, only parts related to the present utility model rather than all structures are shown in the drawings.

[0036] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above the top of", and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "below the bottom of", and "under the bottom of" the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is at a lower horizontal height than the second feature.

[0038] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", and "right" are based on the orientation or positional relationships shown in the drawings. These are only for convenience of description and simplifying the operations, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0039] As Figures 1 to 5 shown, this embodiment provides a multi-functional maintenance vehicle, which includes a vehicle head 7, a vehicle body 1, and wheels 8. The vehicle head 7 has a cockpit. By driving this multi-functional maintenance vehicle to move, the flexibility of maintaining large vehicles is relatively good. There is no need to drive large vehicles to a dedicated maintenance point. After the maintenance is completed, large vehicles can quickly return to the working area and state, ensuring work efficiency. Specifically, the vehicle body 1 includes a first vehicle frame 11 and a second vehicle frame 12. The first vehicle frame 11 is connected to the vehicle head 7. In the height direction of the vehicle body 1, the height of the second vehicle frame 12 is lower than that of the first vehicle frame 11. Along the length direction of the vehicle body 1, the first vehicle frame 11 is divided into a first area 111 close to the second vehicle frame 12 and a second area 112 far from the second vehicle frame 12, that is, the second area 112 is connected to the vehicle head 7, and the second vehicle frame 12 is located at the rear of this multi-functional maintenance vehicle. The first area 111 can be optionally at the same height as or higher than the second area 112. The maintenance system 2 includes an oil storage tank 21, a power assembly 22, and a filling assembly 23. The filling assembly 23 is arranged on the second vehicle frame 12 and is used to fill the vehicle to be maintained with maintenance oil. The oil storage tank 21 is arranged in the second area 112 and is connected to the filling assembly 23 for storing maintenance oil. The power assembly 22 is arranged in the first area 111 and is used to provide power for the filling assembly 23. Among them, the height of the second vehicle frame 12 is 0.5 m - 1 m or other values, which is not limited here as long as the operator can directly operate the filling assembly 23 while standing on the ground. The oil storage tank 21 arranged in the first area 111 has a sufficiently large capacity to store a relatively sufficient amount of maintenance oil at one time, avoiding the need for frequent replenishment and improving the continuity of use of this multi-functional maintenance vehicle. By integrating the maintenance system 2 on the vehicle body 1, it is convenient to move and convenient to maintain large vehicles, ensuring the work efficiency of large vehicles. At the same time, by arranging the first vehicle frame 11 and the second vehicle frame 12 at different heights, the layout of the maintenance system 2 on the vehicle body 1 can make full use of the space in the height direction, improving the integration degree. And the filling assembly 23 arranged on the second vehicle frame 12 with a lower height is beneficial to the operation of the operator, enabling the operator to perform the filling operation while standing on the ground or on a cushion with a certain height, improving the operation safety and convenience.

[0040] Preferably, asFigure 2 As shown, the projections of the second frame 12 and the first frame 11 on the horizontal plane have an overlapping portion, that is, the projections of the second frame 12 and the first area 111 on the horizontal plane have an overlapping portion. For example, the end of the second frame 12 close to the front 7 is as close to the rear wheel 8 as possible, so that the space directly below the first area 111 can be fully utilized, the length of the vehicle body 1 is reduced, and the integration and space utilization are improved.

[0041] In this embodiment, if Figure 1 As shown, the multifunctional maintenance vehicle further includes an operation box 3, which includes a box wall and a box door. The box wall cover is arranged on the first area 111 and the second frame 12 to form an operation space. The power assembly 22 and the filling assembly 23 are located in the operation space. The box door is located on the side of the second frame 12 away from the first frame 11 and can be opened or closed. The operation box 3 improves the integrity and aesthetics of the multifunctional maintenance vehicle, and also provides protection for the filling assembly 23 and the power assembly 22 inside. When maintenance operations are required, the box door can be opened. For example, the box door is a rolling door or a double door, etc., which is specifically set according to actual needs.

[0042] Specifically, the oil storage tank 21 includes an engine oil storage area and a hydraulic oil storage area. The engine oil is contained in the engine oil storage area, and the hydraulic oil is contained in the hydraulic oil storage area. The filling assembly 23 includes an engine oil reel 231 and a hydraulic oil reel 232 arranged side by side along the width direction of the vehicle body 1. An engine oil filling pipe is wound on the engine oil reel 231, and a hydraulic oil filling pipe is wound on the hydraulic oil reel 232. The engine oil filling pipe and the hydraulic oil filling pipe are respectively connected to the engine oil storage area and the hydraulic oil storage area through the power assembly 22. The power assembly 22 is used to transport the engine oil in the engine oil storage area to the engine oil filling pipe and to transport the hydraulic oil in the hydraulic oil storage area to the hydraulic oil filling pipe. Among them, the oil reel 231 and the hydraulic oil reel 232 are elastic reels or hand-cranked reels. When the oil or hydraulic oil needs to be filled, the oil filling pipe or the hydraulic oil filling pipe is pulled out and aligned with the oil filling port or the hydraulic oil filling port of the maintenance object, and then the oil or hydraulic oil in the oil storage tank 21 is pumped into the maintenance object through the power component 22; after the filling is completed, the oil filling pipe or the hydraulic oil filling pipe is automatically reeled up, or the oil filling pipe or the hydraulic oil filling pipe is reeled up by hand.

[0043] Preferably, both the engine oil filling pipe and the hydraulic oil filling pipe are provided with filling guns, preferably self-sealing filling guns, and the filling amount is controlled by the filling guns, which is efficient and convenient.

[0044] In this embodiment, if Figures 3 to 5As shown in the figure, the power assembly 22 includes a connected pneumatic diaphragm pump 221 and an air compressor 222. According to the sizes of the pneumatic diaphragm pump 221 and the air compressor 222, the pneumatic diaphragm pump 221 and the air compressor 222 are exemplarily arranged front and back in the first area 111 on the first frame 11 along the length direction of the vehicle body 1, improving the space utilization rate. The pneumatic diaphragm pump 221 communicates with the engine oil storage area and the hydraulic oil storage area. The engine oil filling pipe and the hydraulic oil filling pipe are respectively connected to the pneumatic diaphragm pump 221. The air compressor 222 provides a compression space for the pneumatic diaphragm pump 221. When the pneumatic diaphragm pump 221 works, it pumps the engine oil in the engine oil storage area to the engine oil filling pipe or pumps the hydraulic oil in the hydraulic oil storage area to the hydraulic oil filling pipe as needed, realizing the filling of engine oil or hydraulic oil.

[0045] Preferably, a protective fence 4 is provided at the tail end of the first frame 11, that is, at the end of the first frame 11 close to the second frame 12. The protective fence 4 surrounds one side of the power assembly 22. When the staff is repairing or loading and unloading the power assembly 22, the protective fence 4 provides protection for the staff, that is, improves the use safety of this multi-functional maintenance vehicle.

[0046] More specifically, the oil storage tank 21 further includes a diesel storage area for storing diesel. The maintenance system 2 further includes a diesel filling assembly 24. The diesel filling assembly 24 includes a diesel reel 241 and an oil pump 242. The diesel reel 241 is arranged side by side with the filling assembly 23 on the second frame 12 along the width direction of the vehicle body 1. A diesel filling pipe is wound on the diesel reel 241. The diesel filling pipe is connected to the diesel storage area through the oil pump 242. The oil pump 242 is used to transport the diesel in the diesel storage area to the diesel filling pipe. Among them, the oil pump 242 can be, but is not limited to, a gear pump. Ordinary oil pump 242 can be used to pump diesel. Most large vehicles use diesel as the power oil. By setting the diesel filling assembly 24, this multi-functional maintenance vehicle can fill diesel for large vehicles in time to ensure the normal operation of large vehicles.

[0047] Preferably, a filling gun, preferably a self-sealing filling gun, is provided on the diesel filling pipe to control the filling amount through the filling gun, which is efficient and convenient.

[0048] In this embodiment, the oil storage tank 21 can be set to one. The inside of one oil storage pipe is divided into three independent areas, which are respectively used for storing engine oil, diesel and hydraulic oil. The spaces of the three areas are specifically set according to actual needs. Or, three oil storage tanks 21 are provided. The internal space of one oil storage tank 21 is the engine oil storage area, the internal space of one oil storage tank 21 is the hydraulic oil storage area, and the internal space of another oil storage tank 21 is the diesel storage area. The sizes of the three oil storage tanks 21 are specifically set according to actual needs. Specifically, three adapters 10 are provided on the tank wall. The engine oil filling pipe, the hydraulic oil filling pipe and the diesel filling pipe are respectively connected to the engine oil storage area, the hydraulic oil storage area and the diesel storage area through the three adapters 10.

[0049] Preferably, a liquid level gauge is respectively provided for the engine oil storage area, the hydraulic oil storage area, and the diesel oil storage area to detect the liquid level heights of the engine oil storage area, the hydraulic oil storage area, and the diesel oil storage area, so as to remind the staff to replenish the engine oil, hydraulic oil, and diesel oil in a timely manner.

[0050] More preferably, the multi-functional maintenance vehicle further includes a first ladder 5. The first ladder 5 is arranged along the height direction of the vehicle body 1 on the side or end of the oil storage tank 21. The filling ports of the engine oil storage area, the hydraulic oil storage area, and the diesel oil storage area are arranged at the top of the oil storage tank 21. The first ladder 5 facilitates the staff to climb onto the oil storage tank 21 to check the situation or replenish the maintenance oil. In this embodiment, a protective railing 9 is arranged at the top of the oil storage tank 21 to provide protection for the staff climbing to the top of the oil storage tank 21.

[0051] Due to the high-load working environment of large vehicles, grease needs to be applied to some parts of the chassis for lubrication. To improve the completeness of the maintenance functions of the multi-functional maintenance vehicle, the maintenance system 2 further includes a grease filling machine 25. The grease filling machine 25 is arranged in the first area 111 of the second vehicle frame 12 and is arranged side by side with the filling assembly 23 along the width direction of the vehicle body 1. The grease filling machine 25 is connected to the air compressor 222, and the air compressor 222 provides compressed air for the grease filling machine 25. Since the grease filling machine 25 is a relatively mature existing technology, it will not be elaborated here one by one.

[0052] Furthermore, the maintenance system 2 further includes a cleaning assembly 26. The cleaning assembly 26 includes a water storage tank 261 and a cleaning reel 262. The water storage tank 261 is preferably a stainless steel water tank. The water storage tank 261 is arranged in the first area 111 and is arranged side by side with the power assembly 22 along the width direction of the vehicle body 1. The cleaning reel 262 is arranged on the second vehicle frame 12 and is arranged side by side with the filling assembly 23 along the width direction of the vehicle body 1. A cleaning pipeline is wound on the cleaning reel 262, and the cleaning pipeline is communicated with the water storage tank 261. By arranging the water storage tank 261 in the first area 111 and the cleaning reel 262 on the second vehicle frame 12, the spatial layout of the maintenance system 2 is more reasonable and efficient, improving the space utilization rate and facilitating the operator to take the cleaning pipeline to clean the maintenance object.

[0053] Preferably, the multi-functional maintenance vehicle further includes a second ladder 6. The second ladder 6 is arranged between the first area 111 and the second vehicle frame 12. The operator can climb onto the first vehicle frame 11 through the second ladder 6 to perform operations such as overhauling or replenishing water to the water storage tank 261. More preferably, the length of the first area 111 where the water storage tank 261 is placed in the length direction of the vehicle body 1 is shorter than the length of the first area 111 where the power assembly 22 is placed in the length direction of the vehicle body 1, so that the second ladder 6 can be inclined, facilitating the operator's climbing and ensuring climbing safety.

[0054] For example, along the width direction of the vehicle body 1, the grease filling machine 25, the oil reel 231, the hydraulic oil reel 232, the cleaning reel 262, the diesel reel 241 and the oil pump 242 are arranged side by side from left to right on the second frame 12, and the first area 111 is divided into a first space and a second space from left to right by a partition along the width direction of the vehicle body 1. The power assembly 22 is arranged in the first space, and the water tank 261 is arranged in the second space and is arranged on the right to ensure the weight balance. The upper end of the second ladder 6 is located in the second space. Under the above structure, the power assembly 22 is located above the oil reel 231 and the hydraulic oil reel 232, the water tank 261 is close to the cleaning reel 262, the diesel reel 241 and the oil pump 242 are arranged closely, and the distance between each connecting component is relatively close, so that the connecting line or pipeline is minimized, and the weight distribution is relatively uniform, ensuring the driving stability of the multifunctional maintenance vehicle. Of course, in other embodiments, the arrangement position of each component can also be other, which is specifically set according to actual needs.

[0055] Preferably, the grease filling machine 25, the engine oil reel 231, the hydraulic oil reel 232, the cleaning reel 262, the diesel reel 241, the oil pump 242, the water tank 261, and the power assembly 22 are all detachably connected to the vehicle body 1, for example, they are detachably connected to the vehicle body 1 through mounting seats using studs, which is convenient for maintenance and replacement, and also convenient for separate transportation.

[0056] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A multifunctional maintenance vehicle, characterized in that: include: The vehicle body comprises a first frame and a second frame, wherein in a height direction of the vehicle body, the height of the second frame is lower than that of the first frame, and along a length direction of the vehicle body, the first frame is divided into a first area close to the second frame and a second area far from the second frame; The maintenance system includes an oil storage tank, a power assembly and a filling assembly. The filling assembly is arranged on the second frame and is used to fill the vehicle to be maintained with maintenance oil. The oil storage tank is arranged in the second area and is connected to the filling assembly and is used to store the maintenance oil. The power assembly is arranged in the first area and is used to provide power for the filling assembly.

2. The multifunctional maintenance vehicle according to claim 1, characterized in that: Projections of the second frame and the first frame on a horizontal plane have an overlapping portion.

3. The multifunctional maintenance vehicle according to claim 1, characterized in that: The oil storage tank comprises an engine oil storage area and a hydraulic oil storage area, the engine oil storage area contains engine oil, and the hydraulic oil storage area contains hydraulic oil; The filling assembly includes an oil reel and a hydraulic oil reel arranged side by side along the width direction of the vehicle body, an oil filling pipe is wound on the oil reel, and a hydraulic oil filling pipe is wound on the hydraulic oil reel, the oil filling pipe and the hydraulic oil filling pipe are respectively connected to the oil storage area and the hydraulic oil storage area through the power assembly, and the power assembly is used to transport the oil in the oil storage area to the oil filling pipe and to transport the hydraulic oil in the hydraulic oil storage area to the hydraulic oil filling pipe.

4. The multifunctional maintenance vehicle according to claim 1, characterized in that: The oil storage tank includes a diesel storage area, in which diesel is stored; The maintenance system also includes a diesel filling assembly, which includes a diesel reel and an oil pump. The diesel reel is arranged on the second frame side by side with the filling assembly along the width direction of the vehicle body. A diesel filling pipe is wound on the diesel reel. The diesel filling pipe is connected to the diesel storage area through the oil pump. The oil pump is used to transport the diesel in the diesel storage area to the diesel filling pipe.

5. The multifunctional maintenance vehicle according to claim 1, characterized in that: The maintenance system further comprises a grease filling machine, which is arranged in the first area and arranged side by side with the filling assembly along the width direction of the vehicle body.

6. The multifunctional maintenance vehicle according to claim 1, characterized in that: The maintenance system also includes a cleaning component, which includes: A water tank is arranged in the first area and arranged side by side with the power assembly along the width direction of the vehicle body; A cleaning reel is arranged on the second frame and is arranged side by side with the filling assembly along the width direction of the vehicle body. A cleaning pipe is wound on the cleaning reel, and the cleaning pipe is connected to the water tank.

7. The multifunctional maintenance vehicle according to any one of claims 1 to 6, characterized in that: It also includes an operating box, which includes a box wall and a box door. The box wall cover is arranged on the first area and the second frame to form an operating space. The power assembly and the filling assembly are located in the operating space. The box door is located on the side of the second frame away from the first frame and can be opened or closed.

8. The multifunctional maintenance vehicle according to any one of claims 1 to 6, characterized in that: Also includes: A guardrail is arranged on the first frame and along the length direction of the vehicle body, and the guardrail surrounds a side of the power assembly close to the second frame.

9. The multifunctional maintenance vehicle according to any one of claims 1 to 6, characterized in that: Also includes: The first ladder is set up on the side or end of the oil storage tank along the height direction of the vehicle body.

10. The multifunctional maintenance vehicle according to any one of claims 1 to 6, characterized in that: Also includes: The second ladder is arranged between the first area and the second frame.