Coach vehicle type steering hydraulic oil cooling system

Abstract

The utility model relates to a coach vehicle type steering hydraulic oil cooling system which comprises a steering gear, a steering pump and a steering oil can, the steering pump and the steering oil can are sequentially connected with the steering gear, a coil pipe structure for heat dissipation is installed at one end of the steering gear, and a temperature control valve arranged in a three-way mode is installed at one end of the coil pipe structure. According to the utility model, the cooler, the backflow pipeline, the cooling water tank and the water pump are matched with the temperature control valve, when steering hydraulic oil flows in the oil return pipeline and reaches a preset temperature, the temperature control valve is connected with the cooling water tank, so that the cooling water can flow in the cooling water tank, and the cooling water can flow in the cooling water tank. The temperature control valve can control the steering hydraulic oil to conduct loop conveying through the second pipeline, in the process, the steering hydraulic oil can be cooled through cooling fins of the steering coil and an original fan in the vehicle, secondary cooling can be conducted through a cooling cavity in the cooler, and the situation that the air cooling effect is insufficient is made up; and the cooling effect of steering hydraulic oil is ensured.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic oil cooling, in particular to a steering hydraulic oil cooling system for a training vehicle. Background Art

[0002] Steering hydraulic oil can provide steering force when the driver controls the vehicle steering, reducing the driver's steering labor intensity. Through the action of hydraulics, the vehicle steering wheel only requires very light external force to control. At the same time, steering hydraulic oil can also lubricate the surface of components and reduce wear when components move.

[0003] The steering hydraulic oil in existing vehicles is generally cooled by air cooling, but training vehicles have special working conditions and low-speed steering is more frequent. Compared with conventional vehicles, the steering hydraulic oil requires more cooling. The traditional air cooling method has limited effect and cannot reduce the steering hydraulic oil to a suitable temperature, which can easily lead to poor lubrication and accelerated aging of parts, which is very inconvenient. Utility Model Content

[0004] Based on the above description, the utility model provides a steering hydraulic oil cooling system for a training vehicle to solve the problem that the traditional air cooling method cannot meet the cooling requirements of the steering hydraulic oil in the training vehicle.

[0005] The utility model provides a technical solution to the above-mentioned technical problem as follows: a steering hydraulic oil cooling system for a training vehicle, comprising a steering gear and a steering pump and a steering oil pot connected to the steering gear in sequence, a coil structure for heat dissipation being installed at one end of the steering gear, a temperature control valve in a three-way arrangement being installed at one end of the coil structure, a cooler being connected between the other two ends of the temperature control valve and the steering oil pot, a guide assembly for the circulation of coolant being installed at the outer side of the cooler.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the coil structure is composed of a steering coil and a heat sink, one end of the steering coil is installed on the outside of the top discharge end of the steering gear, and the heat sink is arranged on the outside of the steering coil.

[0008] Furthermore, an electric control unit is installed on the outer side of the temperature control valve, and the temperature control valve is electrically connected to the electric control unit. A first pipeline is installed between one end of the temperature control valve and an end of the steering coil away from the steering gear.

[0009] Furthermore, a second pipe and a third pipe are installed between the other two ends of the temperature control valve and the cooler, a liquid cooling cavity used in conjunction with the second pipe is provided in the cooler, and the cooler is connected to the steering oil pot through a pipeline.

[0010] Furthermore, the guide assembly is composed of a cooling water tank, a return pipe and a water pump. The return pipe is installed between the liquid cooling cavity of the cooler and the cooling water tank. There are two return pipes, and the water pump is installed on the outside of one of the return pipes.

[0011] Furthermore, the steering pump is connected to the steering oil pot through a pipeline, and the steering pump is connected to the feed end of the steering gear through a pipeline.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0013] The utility model uses a cooler, a return pipe, a cooling water tank and a water pump, in conjunction with a temperature control valve. When the steering hydraulic oil flows in the return oil pipe, the temperature control valve can measure the current temperature of the steering hydraulic oil and transport it to different positions in the cooler through the second pipe and the third pipe. When the steering hydraulic oil does not reach the preset temperature of the temperature control valve, the temperature control valve will control the steering hydraulic oil to be transported in a loop through the third pipe. During the process, the steering hydraulic oil is cooled by the heat sink of the steering coil and the original fan in the vehicle. When the steering hydraulic oil reaches the preset temperature, the temperature control valve will control the steering hydraulic oil to be transported in a loop through the second pipe. During the process, the steering hydraulic oil is not only cooled by the heat sink of the steering coil and the original fan in the vehicle, but also cooled for a second time through the cooling cavity in the cooler, thereby making up for the insufficient air cooling effect and ensuring the cooling effect of the steering hydraulic oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a steering hydraulic oil cooling system for a training vehicle provided by an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the temperature control valve in the embodiment of the utility model;

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0017] 1. Steering gear; 2. Steering coil; 21. Heat sink; 3. Temperature control valve; 31. Electronic control unit; 32. First pipeline; 33. Second pipeline; 34. Third pipeline; 4. Cooler; 5. Cooling water tank; 6. Return pipeline; 7. Water pump; 8. Steering oil pot; 9. Steering pump. DETAILED DESCRIPTION

[0018] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0020] See also Figure 1-2 The utility model is a steering hydraulic oil cooling system for a training vehicle, comprising a steering gear 1 and a steering pump 9 and a steering oil pot 8 connected to the steering gear 1 in sequence, a coil structure for heat dissipation is installed at one end of the steering gear 1, a temperature control valve 3 in a three-way arrangement is installed at one end of the coil structure, a cooler 4 is connected between the other two ends of the temperature control valve 3 and the steering oil pot 8, and a guide component for the circulation of coolant is installed on the outer side of the cooler 4.

[0021] See also Figure 1 The coil structure consists of a steering coil 2 and a heat sink 21. One end of the steering coil 2 is installed on the outside of the top discharge end of the steering gear 1. The heat sink 21 is arranged on the outside of the steering coil 2. The heat sink 21 is installed on the outside of the steering coil 2 to enhance the self-heating efficiency of the steering hydraulic oil in the steering coil 2. In conjunction with the fan installed in the vehicle, the steering hydraulic oil can be initially cooled by air cooling.

[0022] See also Figure 1 An electric control unit 31 is installed on the outside of the temperature control valve 3, and the temperature control valve 3 is electrically connected to the electric control unit 31. The electric control unit 31 can control the steering hydraulic oil to flow to the cooler 4 through the second pipe 33 or the third pipe 34 according to the temperature sensor in the temperature control valve 3. A first pipe 32 is installed between one end of the temperature control valve 3 and the end of the steering coil 2 away from the steering gear 1, and a second pipe 33 and a third pipe 34 are installed between the other two ends of the temperature control valve 3 and the cooler 4. A liquid cooling cavity used in conjunction with the second pipe 33 is provided in the cooler 4. The cooler 4 is connected with the steering oil pot 8 through a pipeline. The steering hydraulic oil flowing into the cooler 4 from the second pipe 33 and entering the steering oil pot 8 will pass through the liquid cooling cavity and be subjected to secondary cooling treatment by the coolant in the liquid cooling cavity. The steering hydraulic oil flowing into the cooler 4 from the third pipe 34 will directly enter the steering oil pot 8.

[0023] See also Figure 1The guide assembly is composed of a cooling water tank 5, a return pipe 6 and a water pump 7. The return pipe 6 is installed between the liquid cooling cavity of the cooler 4 and the cooling water tank 5. There are two return pipes 6. The water pump 7 is installed on the outside of one of the return pipes 6. The water pump 7 is installed on the path of one of the return pipes 6. The coolant in the cooling water tank 5 automatically flows into the liquid cooling cavity of the cooler 4 through the return pipe 6 where the water pump 7 is not installed, and the water pump 7 can suck the coolant with a higher temperature in the liquid cooling cavity of the cooler 4 back into the cooling water tank 5 through another pipe to form a circulation path. During the process, the high-temperature coolant in the liquid cooling cavity will enter the cooling water tank 5 and mix with the low-temperature coolant to adjust the temperature, and the low-temperature coolant will be continuously filled into the liquid cooling cavity, so that the coolant can always be at a lower temperature to cool the steering hydraulic oil, thereby ensuring the cooling effect of the coolant on the steering hydraulic oil.

[0024] See also Figure 1 The steering pump 9 is connected to the steering oil pot 8 through a pipeline, and the steering pump 9 is connected to the feed end of the steering gear 1 through a pipeline.

[0025] When the steering hydraulic oil circulates in a loop, the hydraulic oil flows into the steering coil 2 through the steering gear 1, passes through the heat sink 21 on the outside of the steering coil 2 and is cooled by the fan, and then flows to the temperature control valve 3 through the first pipe 32. The electronic control unit 31 tests the temperature of the steering hydraulic oil according to the temperature sensor in the temperature control valve 3 to determine whether it needs to enter the liquid cooling cavity in the cooler 4 for cooling. If the steering hydraulic oil temperature exceeds the temperature set in advance by the temperature control valve 3, the temperature control valve 3 opens the second pipe 33, and the steering hydraulic oil passes through the liquid cooling cavity in the cooler 4 and is cooled by absorbing heat from the coolant. If the steering hydraulic oil temperature does not exceed the set temperature, the temperature control valve 3 opens the third pipe 34, and the hydraulic oil bypasses the cooler 4 and flows back to the steering oil pot 8.

[0026] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steering hydraulic oil cooling system for a training vehicle, comprising a steering gear (1) and a steering pump (9) and a steering oil pot (8) connected to the steering gear (1) in sequence, characterized in that: A coil structure for heat dissipation is installed at one end of the steering gear (1), a temperature control valve (3) in a three-way arrangement is installed at one end of the coil structure, a cooler (4) is connected between the other two ends of the temperature control valve (3) and the steering oil pot (8), and a guide assembly for circulating coolant is installed on the outside of the cooler (4).

2. The steering hydraulic oil cooling system of the training vehicle according to claim 1 is characterized in that: The coil structure is composed of a steering coil (2) and a heat sink (21), one end of the steering coil (2) is mounted on the outside of the top discharge end of the steering gear (1), and the heat sink (21) is arranged on the outside of the steering coil (2).

3. The steering hydraulic oil cooling system of the training vehicle according to claim 2 is characterized in that: An electric control unit (31) is installed on the outside of the temperature control valve (3), and the temperature control valve (3) is electrically connected to the electric control unit (31). A first pipe (32) is installed between one end of the temperature control valve (3) and one end of the steering coil (2) away from the steering gear (1).

4. The steering hydraulic oil cooling system of the training vehicle according to claim 1 is characterized in that: A second pipe (33) and a third pipe (34) are installed between the other two ends of the temperature control valve (3) and the cooler (4); a liquid cooling cavity used in conjunction with the second pipe (33) is provided in the cooler (4); and the cooler (4) is connected to the steering oil pot (8) through a pipeline.

5. The steering hydraulic oil cooling system of the training vehicle according to claim 4 is characterized in that: The flow guide component is composed of a cooling water tank (5), a return pipe (6) and a water pump (7); the return pipe (6) is installed between the liquid cooling cavity of the cooler (4) and the cooling water tank (5); there are two return pipes (6), and the water pump (7) is installed on the outside of one of the return pipes (6).

6. The steering hydraulic oil cooling system of the training vehicle according to claim 1, characterized in that: The steering pump (9) is connected to the steering oil pot (8) through a pipeline, and the steering pump (9) is connected to the feed end of the steering gear (1) through a pipeline.

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