CN111980994A

CN111980994A - Drainage vehicle

Info

Publication number: CN111980994A
Application number: CN202010691406.4A
Authority: CN
Inventors: 阙彬元; 邓冬华; 廖永彬; 陈俊杰
Original assignee: Fujian Qiaolong Emergency Equipment Co Ltd
Current assignee: Fujian Qiaolong Emergency Equipment Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-11-24
Anticipated expiration: 2040-07-17
Also published as: CN111980994B

Abstract

The invention relates to a drainage vehicle, which comprises a vehicle body, a hydraulic system and a cooling device, wherein the vehicle body is provided with a drainage channel; the hydraulic system and the cooling device are respectively arranged on the vehicle body; the cooling device comprises a first drainage pipe, a pump mechanism, an oil return pipe, an interlayer, an oil inlet pipeline, a first oil return pipeline, a second oil return pipeline and a flow guide mechanism; the first drainage pipe is nested in the oil return pipe, the interlayer is arranged between the first drainage pipe and the oil return pipe, and the first drainage pipe is connected with the pump mechanism; one end of the oil inlet pipeline is connected with the hydraulic system, and the other end of the oil inlet pipeline is connected with the pump mechanism; one end of the first oil return pipeline is connected with the pump mechanism, the other end of the first oil return pipeline is connected with the oil return pipe, one end of the second oil return pipeline is connected with the oil return pipe, and the other end of the second oil return pipeline is connected with the hydraulic system; the flow guide mechanism is arranged in the interlayer and used for guiding hydraulic oil. The rivers contact with first drain pipe inner wall surface, through the heat exchange, will take away the heat of the hydraulic oil that flows in the intermediate layer, play the cooling action to hydraulic oil.

Description

Drainage vehicle

Technical Field

The invention relates to the technical field of engineering operation equipment, in particular to a drainage vehicle.

Background

As one of the most commonly used emergency facilities, drainage vehicles are often used for drainage, flood control, and drainage tasks, and also for irrigation in agriculture and urban landscaping. During operation, the drainage vehicle is driven to a flat zone near an operation point, and a mobile pump station or a drainage device on the vehicle is used for carrying out drainage emergency operation on accumulated water, ditches, rivers and the like in the hollow position.

In the prior art, a hydraulic system of a drainage vehicle provides hydraulic power for a drainage device, so as to drive the drainage device to perform drainage emergency work, however, the technical problem of overhigh hydraulic oil temperature can occur in the drainage emergency work, and the overhigh hydraulic oil temperature has several main hazards: the working efficiency of the hydraulic system is reduced, the operating performance of the hydraulic system is influenced, the lubricating performance is reduced, the service life of hydraulic oil is reduced, the aging of a pipeline sealing element is accelerated, the sealing performance is reduced, and the like.

Chinese patent CN207609635U discloses a hydraulic oil tank, which contains a circulating cooling pipe, and the purpose of cooling the hydraulic oil by cooling liquid flowing in the cooling pipe is achieved. However, in the practical application process, the hydraulic oil temperature is increased along with the ambient temperature, energy conversion caused by various pressure losses of the system is generated, the working time is prolonged, and the like, so that the heat dissipation efficiency of the hydraulic oil is reduced, the oil temperature is increased, and the equipment cannot normally operate.

Chinese patent CN205823798U discloses a hydraulic oil cooling system, including oil tank and cooling total row, the cooling total row is including at least two cooler bins that parallel, and the cooling is provided with the total input tube of hydraulic oil and the total output tube of hydraulic oil on arranging totally, all be provided with hydraulic oil content input tube and hydraulic oil content output tube on the cooler bin to and cooling water input port and cooling water delivery outlet, hydraulic oil content input tube on the cooler bin all with the cooling total arrange on the hydraulic oil total input tube be connected, hydraulic oil content output tube all with the cooling total arrange on the hydraulic oil total output tube be connected.

Disclosure of Invention

Therefore, a drainage vehicle is needed to be provided for solving the technical problem that the temperature of hydraulic oil is too high in drainage emergency operation of the drainage vehicle.

In order to achieve the above object, the inventor provides a drain vehicle, comprising a vehicle body, a hydraulic system and a cooling device;

the hydraulic system and the cooling device are respectively arranged on the vehicle body;

the cooling device comprises a first drainage pipe, a pump mechanism, an oil return pipe, an interlayer, an oil inlet pipeline, a first oil return pipeline, a second oil return pipeline and a flow guide mechanism;

the first drainage pipe is nested in the oil return pipe, the interlayer is arranged between the first drainage pipe and the oil return pipe, and the first drainage pipe is connected with the pump mechanism;

one end of the oil inlet pipeline is connected with the hydraulic system, and the other end of the oil inlet pipeline is connected with the pump mechanism;

one end of the first oil return pipeline is connected with the pump mechanism, the other end of the first oil return pipeline is connected with the oil return pipe, one end of the second oil return pipeline is connected with the oil return pipe, and the other end of the second oil return pipeline is connected with the hydraulic system;

the flow guide mechanism is arranged in the interlayer and used for guiding hydraulic oil.

As a preferred structure of the present invention, the oil return pipe includes a first oil pipe interface and a second oil pipe interface;

the first oil pipe interface and the second oil pipe interface are respectively arranged on the oil return pipe;

one end of the first oil return pipeline is connected with the pump mechanism, the other end of the first oil return pipeline is connected with the first oil pipe interface, one end of the second oil return pipeline is connected with the second oil pipe interface, and the other end of the second oil return pipeline is connected with the hydraulic system.

As a preferred structure of the present invention, the flow guide mechanism includes a plurality of flow guide plates and a flow guide oil passage;

the guide plates and the guide oil ducts are respectively arranged in the interlayer;

the plurality of guide plates are respectively connected with the oil return pipe and the first water discharge pipe to form an S-shaped guide oil duct.

As a preferable structure of the invention, one end of each of the guide plates is respectively connected with the inner wall of the oil return pipe, and the other end of each of the guide plates is respectively connected with the outer wall of the first drainage pipe.

As a preferable structure of the present invention, the first drain pipe is made of a heat conductive material.

As a preferred structure of the present invention, the pump mechanism includes a hydraulic motor and an impeller, an oil inlet of the hydraulic motor is connected to the oil inlet pipeline, an oil return port of the hydraulic motor is connected to the first oil return pipeline, and the hydraulic motor is configured to drive the impeller to operate.

As a preferable structure of the invention, the drainage vehicle further comprises a translation mechanism and a swing mechanism, wherein the translation mechanism is arranged on the vehicle body, and the swing mechanism is arranged on the translation mechanism.

As a preferable structure of the drainage vehicle, the drainage vehicle further comprises a lifting mechanism and a supporting mechanism, one end of the rotating mechanism is hinged with the supporting mechanism, one end of the lifting mechanism is connected with the rotating mechanism, and the other end of the lifting mechanism is connected with the supporting mechanism.

As a preferable structure of the drainage vehicle, the drainage vehicle further comprises a second drainage pipe and a driving mechanism, the oil return pipe is nested in the second drainage pipe, the second drainage pipe is communicated with the first drainage pipe, and the driving mechanism is used for driving the oil return pipe to stretch in the second drainage pipe.

As a preferable structure of the present invention, the drain vehicle further includes a sliding mechanism, and the second drain pipe is slidably connected to the support mechanism through the sliding mechanism.

Different from the prior art, the beneficial effects of the technical scheme are as follows: when drainage emergency work is needed, the drainage vehicle is driven to a flat area near an emergency site, drainage emergency work is started, hydraulic power is provided for the pump mechanism through the hydraulic system, hydraulic oil in the hydraulic system flows into the pump mechanism through the oil inlet pipeline, the pump mechanism works, accordingly, accumulated water, ditches or rivers and the like in the hollow position of the pump mechanism are pumped, water flows out of the first drainage pipe, the temperature of the hydraulic oil rises along with the drainage emergency work, the hydraulic oil flows out through the first oil return pipeline of the oil return pipeline and then flows into an interlayer between the oil return pipe and the first drainage pipe, the hydraulic oil is guided to flow in the interlayer through the flow guide mechanism, the heat exchange area between the hydraulic oil and the water flow is increased, and the cooling speed of the hydraulic oil is accelerated. When pump mechanism drew water, rivers and the contact of first drain pipe inner wall surface, through the heat exchange, the heat of the hydraulic oil that will flow in the intermediate layer is taken away, thereby make the rivers that flow through first drain pipe reduce the oil temperature of the intraformational hydraulic oil of intermediate layer, play the cooling action to hydraulic oil, guarantee that the hydraulic oil temperature is stabilized at certain within range, hydraulic oil after the cooling flows into the second and returns oil pipe way, return oil pipe way inflow hydraulic system from the second again, thereby guarantee hydraulic system's stability, guarantee hydraulic system's operating performance, improve hydraulic system's work efficiency, the life of extension hydraulic oil.

Drawings

FIG. 1 is a schematic structural view of a drainage vehicle according to an embodiment;

FIG. 2 is a sectional view of a hydraulic oil cooling device of the drainage vehicle according to the embodiment;

FIG. 3 is a schematic view of an embodiment of an expanded oil return pipe;

figure 4 is a left side view of the return tube of the embodiment.

Description of reference numerals:

1. the vehicle body is provided with a plurality of wheels,

2. a hydraulic system is arranged in the hydraulic system,

3. a hydraulic oil tank is arranged on the upper portion of the hydraulic oil tank,

4. a hydraulic oil pump is arranged in the oil tank,

5. the control valve is used for controlling the flow of the gas,

6. a first water discharge pipe is arranged at the bottom of the water tank,

7. the pump mechanism is provided with a pump mechanism,

8. a hydraulic motor for driving the hydraulic motor to rotate,

9. an oil return pipe is arranged on the upper portion of the oil pipe,

10. a first oil pipe interface is arranged at the bottom of the oil pipe,

11. a second oil pipe interface is arranged at the bottom of the oil pipe,

12. the interlayer is arranged between the two layers of the paper,

13. an oil inlet pipeline is arranged on the top of the tank body,

14. a first oil return pipeline, a second oil return pipeline,

15. a second oil return pipeline is arranged on the second oil return pipeline,

16. the flow-guiding mechanism is arranged on the lower part of the air-conditioner,

17. a guide plate is arranged on the air inlet of the air conditioner,

18. the flow-guiding oil channel is arranged on the top of the oil tank,

19. the oil inlet is arranged at the oil inlet opening,

20. a power mechanism is arranged on the base plate,

21. a translation mechanism is arranged on the base plate,

22. a rotating mechanism, a rotating mechanism and a rotating mechanism,

23. a lifting mechanism is arranged on the base plate,

24. the support mechanism is used for supporting the movable support frame,

25. a second water discharge pipe is arranged on the second water discharge pipe,

26. a drive mechanism.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 4, a drainage vehicle of the present embodiment includes a vehicle body 1, a hydraulic system 2, a power mechanism 20, and a cooling device; the hydraulic system 2, the power mechanism 20 and the cooling device are respectively arranged on the vehicle body 1; the power mechanism 20 is configured to provide power to the cooling device, and specifically, in this embodiment, the power mechanism 20 provides power to the hydraulic oil pump 4 of the hydraulic system 2. Further, the drainage vehicle also comprises a control system, and the control system is used for controlling the operation of the drainage vehicle. In this embodiment, the drainage vehicle may be a gasoline vehicle, a diesel vehicle, a pure electric vehicle, or a hybrid vehicle or a range-extended vehicle.

Further, in some embodiments, as shown in fig. 1 to 4, the cooling device includes a first drain pipe 6, a pump mechanism 7, an oil return pipe 9, an interlayer 12, an oil inlet pipe 13, a first oil return pipe 14, a second oil return pipe 15, and a flow guide mechanism 16; as shown in fig. 2, one end of the oil inlet pipeline 13 is connected to the hydraulic system 2, and the other end of the oil inlet pipeline 13 is connected to the pump mechanism 7; one end of the first oil return pipeline 14 is connected with the pump mechanism 7, the other end of the first oil return pipeline 14 is connected with the oil return pipe 9, one end of the second oil return pipeline 15 is connected with the oil return pipe 9, and the other end of the second oil return pipeline 15 is connected with the hydraulic system 2; preferably, in this embodiment, as shown in fig. 2 and fig. 3, the oil return pipe includes a first oil pipe interface 10 and a second oil pipe interface 11; the first oil pipe interface 10 and the second oil pipe interface 11 are respectively arranged on the oil return pipe 9; one end of the first oil return pipeline 14 is connected with the pump mechanism 7, the other end of the first oil return pipeline 14 is connected with the first oil pipe interface 10, one end of the second oil return pipeline 15 is connected with the second oil pipe interface 11, and the other end of the second oil return pipeline 15 is connected with the hydraulic system 2. Specifically, in this embodiment, the pump mechanism 7 is provided with hydraulic power by the hydraulic system 2.

Further, in some embodiments, as shown in fig. 1, fig. 2 and fig. 4, the first drainage pipe 6 is nested in the oil return pipe, the interlayer 12 is disposed between the first drainage pipe 6 and the oil return pipe, and specifically, in this embodiment, hydraulic oil flows in the interlayer 12; the first drain pipe 6 is connected to the pump means 7, in particular, in this embodiment, the first drain pipe 6 is centrally arranged to convey a water flow. Further, as shown in fig. 3 and 4, the flow guide mechanism 16 is disposed in the interlayer 12, the flow guide mechanism 16 is used for guiding hydraulic oil, and the flow guide mechanism 16 is used for guiding the hydraulic oil to flow in the interlayer 12, so as to increase the area of heat exchange between the hydraulic oil and water flow and accelerate the cooling rate of the hydraulic oil. It is specific, to return oil pipe 9 nestification outside the first blow-off pipe 6 that has fluid (rivers) to flow, hydraulic oil flows in intermediate layer 12, rivers and the surface contact of 6 inner walls of first blow-off pipe, through the heat exchange, take away the heat of the hydraulic oil that will flow in intermediate layer 12, thereby make the rivers that flow through first blow-off pipe 6 reduce the oil temperature of the hydraulic oil in intermediate layer 12, play the cooling effect to hydraulic oil, guarantee that the hydraulic oil temperature is stabilized at certain within range, guarantee hydraulic system 2's stability, guarantee hydraulic system 2's operating performance, improve hydraulic system 2's work efficiency, the life of extension hydraulic oil.

Further, in some embodiments, as shown in fig. 3 and 4, the flow guiding mechanism 16 includes a plurality of flow guiding plates 17 and a flow guiding oil passage 18; the guide plates 17 and the guide oil ducts 18 are respectively arranged in the interlayer 12; as shown in fig. 3, the plurality of flow deflectors 17 are respectively connected to the oil return pipe and the first drain pipe 6 to form the S-shaped flow guiding oil passage 18, specifically, in this embodiment, as shown in fig. 3, each flow deflector 17 in the interlayer 12 is provided with a corresponding oil passage opening 19 for allowing hydraulic oil to pass through, and it should be noted that an arrow in fig. 3 indicates a flow direction of the hydraulic oil. A plurality of guide plates 17 set up respectively in intermediate layer 12, and respectively with the inner wall of returning oil pipe 9 and the outer wall connection of first blast pipe 6 to form an S type water conservancy diversion oil duct 18, increase the route that hydraulic oil flows through S type water conservancy diversion oil duct, thereby increase the area of hydraulic oil and rivers heat exchange, accelerate the cooling rate of hydraulic oil. Preferably, in this embodiment, as shown in fig. 4, one end of each of the plurality of flow deflectors 17 is connected to the inner wall of the oil return pipe, and the other end of each of the plurality of flow deflectors 17 is connected to the outer wall of the first drain pipe 6.

Specifically, in this embodiment, as shown in fig. 2, when the hydraulic oil returns, the hydraulic oil flows out from the first oil return line 14, then flows into the interlayer 12 between the oil return pipe 9 and the first water discharge pipe 6 from the first oil pipe interface 10, and the hydraulic oil is cooled in the interlayer 12, flows out from the second oil pipe interface 11 after being cooled, then flows into the second oil return line 15, and finally flows into the hydraulic system 2 from the second oil return line 15.

Further, in some embodiments, the first drainage pipe 6 is made of a heat conductive material. Can transmit the internal surface of first calandria 6 with the oil temperature of hydraulic oil through the heat conduction material, rivers and the internal surface contact of first calandria 6, through the heat exchange, take away the heat of hydraulic oil, realize the effect to the hydraulic oil cooling fast. Preferably, in this embodiment, the heat conducting material may be a metal material, such as copper, aluminum, etc.

Further, in some embodiments, as shown in fig. 1 and fig. 2, the pump mechanism 7 includes a hydraulic motor 8 and an impeller, an oil inlet of the hydraulic motor 8 is connected to the oil inlet line 13, an oil return of the hydraulic motor 8 is connected to the first oil return line 14, and the hydraulic motor 8 is configured to drive the impeller to operate.

Specifically, the pump mechanism 7 is used for pumping water on the water pumping rescue site. Preferably, in this embodiment, the pump mechanism 7 is a water pump, and the pump mechanism 7 is a component for outputting work externally, so that different pump mechanisms 7 are selected according to the needs of the water pumping emergency site. In some embodiments, the fluid pumped by pump mechanism 7 may be water; in other embodiments, the fluid pumped by the pump mechanism 7 may be mud, sewage, oil, etc., depending on the needs of the actual pumping work site.

Further, in some embodiments, as shown in fig. 1, the hydraulic system 2 includes a hydraulic oil tank 3, a hydraulic oil pump 4, and a control valve 5; the oil inlet pipeline 13, the second returns oil pipe way 15 respectively with hydraulic tank 3 connects, hydraulic tank 3 is used for storing hydraulic oil, hydraulic oil pump 4 set up in on the oil inlet pipeline 13, hydraulic oil pump 4 is used for taking out the hydraulic oil in the hydraulic tank 3, flows into hydraulic motor 8 through oil inlet pipeline 13, control valve 5 set up in oil inlet pipeline 13 with on the second returns oil pipe way 15.

Further, in some embodiments, as shown in fig. 1, the cooling device for draining hydraulic oil of a vehicle further includes a second drain pipe 25, the oil return pipe 9 is nested in the second drain pipe 25, and the second drain pipe 25 is communicated with the first drain pipe 6. Further, the cooling device for draining hydraulic oil of the vehicle further comprises a driving mechanism 26, and the driving mechanism 26 is used for driving the returned oil pipe to extend and retract in the second drain pipe 25. Preferably, in this embodiment, the driving mechanism 26 selects a telescopic cylinder, and the oil return pipe 9 is driven by the telescopic cylinder to extend and retract in the second water drainage pipe 25, so as to extend the length of the water drainage pipe and meet different working conditions or geographical environments.

Specifically, when the drainage truck is in drainage emergency operation, the hydraulic oil pump 4 is started, the hydraulic oil pump 4 pumps out the hydraulic oil in the hydraulic oil tank 3, the hydraulic oil flows into an oil inlet of the hydraulic motor 8 through an oil inlet pipeline 13, the hydraulic motor 8 improves the hydraulic oil for the hydraulic motor 8, the hydraulic motor 8 drives the impeller to work, so that accumulated water, ditches or rivers and the like in a hollow position of the pump mechanism 7 are pumped, water flows out from the first drainage pipe 6, the temperature of the hydraulic oil rises along with the drainage emergency operation, the hydraulic oil flows out from an oil outlet of the hydraulic motor 8, flows into the first oil pipe connector 10 through the first oil return pipeline 14 and then flows into the interlayer 12 between the oil return pipe 9 and the first drainage pipe 6, the hydraulic oil flows in the S-shaped diversion oil duct 18, when the pump mechanism 7 pumps water, the water flows in contact with the inner wall surface of the first drainage pipe 6, and takes away the heat of the hydraulic oil flowing in the, therefore, the oil temperature of the hydraulic oil in the interlayer 12 is reduced by the water flow flowing through the first drainage pipe 6, the hydraulic oil is cooled, and the oil temperature of the hydraulic oil is ensured to be stabilized in a certain range. And the material of first calandria 6 is the heat conduction material, can transmit the internal surface of first calandria 6 with the oil temperature of hydraulic oil through the heat conduction material, and rivers and the internal surface contact of first calandria 6 through the heat exchange, take away the heat of hydraulic oil, realize the effect to the hydraulic oil cooling fast. Cooled hydraulic oil flows out from the second oil pipe connector 11, then flows into the second oil return pipeline 15, and then flows into the hydraulic oil tank 3 from the second oil return pipeline 15, so that the stability of the hydraulic system 2 is ensured, the operating performance of the hydraulic system 2 is ensured, the working efficiency of the hydraulic system 2 is improved, and the service life of the hydraulic oil is prolonged.

Further, in some embodiments, as shown in fig. 1, the drainage vehicle further includes a translation mechanism 21, a swing mechanism 22, a lifting mechanism 23, a supporting mechanism 24, a sliding mechanism, a second drainage pipe 25, and a driving mechanism 26; the translation mechanism 21 is arranged on the vehicle body 1, and the swing mechanism 22 is arranged on the translation mechanism 21; the horizontal movement can be realized through the translation mechanism 21, the 360-degree rotation can be realized through the slewing mechanism 22, and the flexibility is high, so that different working conditions or geographic environments can be met.

Further, in some embodiments, as shown in fig. 1, one end of the swing mechanism 22 is hinged to the supporting mechanism 24, and the supporting mechanism 24 supports the first drain pipe 6 and the second drain pipe 25; one end of the lifting mechanism 23 is connected to the swing mechanism 22, the other end of the lifting mechanism 23 is connected to the supporting mechanism 24, and the lifting mechanism 23 is used for lifting the supporting mechanism 24, so as to meet different heights. It should be noted that, in the present embodiment, the lifting of the support mechanism 24 is not limited to be realized by a lifting cylinder, and the lifting may also be realized by other manners.

Further, in some embodiments, as shown in fig. 1, the second drainage pipe 25 is slidably connected to the supporting mechanism 24 through the sliding mechanism; specifically, in this embodiment, the sliding mechanism includes a pulley and a sliding rail, and the pulley and the sliding rail are matched with each other; in other embodiments, the sliding mechanism includes a sliding track and a sliding slot, and the sliding track and the sliding slot are mutually matched.

Specifically, when the drainage emergency operation is required, the drainage vehicle is driven to a flat zone near the emergency site, and then the translation mechanism 21, the swing mechanism 22, the lifting mechanism 23, the sliding mechanism and the driving mechanism 26 are appropriately adjusted according to the environment of the emergency site. Starting a drainage emergency operation, starting a hydraulic oil pump 4, pumping hydraulic oil in a hydraulic oil tank 3 out by the hydraulic oil pump 4, flowing into an oil inlet of a hydraulic motor 8 through an oil inlet pipeline 13, improving the hydraulic oil for the hydraulic motor 8, driving an impeller to work by the hydraulic motor 8, pumping water in accumulated water, ditches or rivers and the like in a hollow part of a pump mechanism 7, enabling water flow to flow out of a first drainage pipe 6, increasing the temperature of the hydraulic oil along with the drainage emergency operation, enabling the hydraulic oil to flow out of an oil outlet of the hydraulic motor 8, flowing into a first oil pipe connector 10 through a first oil return pipeline 14, then flowing into an interlayer 12 between an oil return pipe 9 and the first drainage pipe 6, enabling the hydraulic oil to flow in an S-shaped flow guide oil channel 18, and enabling the water flow to be in contact with the inner wall surface of the first drainage pipe 6 when the pump mechanism 7 pumps water, and taking away heat flowing in the S, therefore, the oil temperature of the hydraulic oil in the interlayer 12 is reduced by the water flow flowing through the first drainage pipe 6, the hydraulic oil is cooled, and the oil temperature of the hydraulic oil is ensured to be stabilized in a certain range. And the material of first calandria 6 is the heat conduction material, can transmit the internal surface of first calandria 6 with the oil temperature of hydraulic oil through the heat conduction material, and rivers and the internal surface contact of first calandria 6 through the heat exchange, take away the heat of hydraulic oil, realize the effect to the hydraulic oil cooling fast. Cooled hydraulic oil flows out from the second oil pipe connector 11, then flows into the second oil return pipeline 15, and then flows into the hydraulic oil tank 3 from the second oil return pipeline 15, so that the stability of the hydraulic system 2 is ensured, the operating performance of the hydraulic system 2 is ensured, the working efficiency of the hydraulic system 2 is improved, and the service life of the hydraulic oil is prolonged.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims

1. The utility model provides a drainage vehicle which characterized in that: comprises a vehicle body, a hydraulic system and a cooling device;

2. The drain vehicle according to claim 1, characterized in that: the oil return pipe comprises a first oil pipe interface and a second oil pipe interface;

3. The drain vehicle according to claim 1, characterized in that: the flow guide mechanism comprises a plurality of flow guide plates and a flow guide oil duct;

4. The drain vehicle according to claim 3, characterized in that: and one ends of the guide plates are respectively connected with the inner wall of the oil return pipe, and the other ends of the guide plates are respectively connected with the outer wall of the first drainage pipe.

5. The drain vehicle according to claim 1, characterized in that: the first drainage pipe is made of heat conduction materials.

6. The drain vehicle according to claim 1, characterized in that: the pump mechanism comprises a hydraulic motor and an impeller, an oil inlet of the hydraulic motor is connected with the oil inlet pipeline, an oil return port of the hydraulic motor is connected with the first oil return pipeline, and the hydraulic motor is used for driving the impeller to work.

7. The drain vehicle according to claim 1, characterized in that: the drainage vehicle further comprises a translation mechanism and a swing mechanism, the translation mechanism is arranged on the vehicle body, and the swing mechanism is arranged on the translation mechanism.

8. The drain vehicle according to claim 7, characterized in that: the drainage vehicle further comprises a lifting mechanism and a supporting mechanism, one end of the rotating mechanism is hinged to the supporting mechanism, one end of the lifting mechanism is connected with the rotating mechanism, and the other end of the lifting mechanism is connected with the supporting mechanism.

9. The drain vehicle according to claim 8, characterized in that: the drainage vehicle further comprises a second drainage pipe and a driving mechanism, the oil return pipe is nested in the second drainage pipe, the second drainage pipe is communicated with the first drainage pipe, and the driving mechanism is used for driving the oil return pipe to stretch out and draw back in the second drainage pipe.

10. The drain vehicle according to claim 9, characterized in that: the drainage vehicle further comprises a sliding mechanism, and the second drainage pipe is connected with the supporting mechanism in a sliding mode through the sliding mechanism.