Hydraulic pump detection device for engineering machinery

Abstract

The utility model discloses a hydraulic pump detection device for engineering machinery, which comprises a detection platform, the top of the detection platform is fixedly connected with a hydraulic oil storage tank, the top of the hydraulic oil storage tank is inserted with an oil inlet pipe, one side of the hydraulic oil storage tank is inserted with a connecting pipe, and the other end of the connecting pipe is sleeved with a three-way valve. Two hydraulic oil pumps are arranged at the top of the detection table, the inlet ends of the two hydraulic oil pumps are connected with the two ends of a three-way valve in an inserted mode respectively, the outlet ends of the hydraulic oil pumps are sleeved with flow meters, the other ends of the flow meters are connected with oil outlet pipes in an inserted mode, two clamping grooves are formed in the top of the detection table, and the hydraulic oil pumps are clamped in the clamping grooves; and the top of the detection table is fixedly connected with a support. According to the utility model, the hydraulic oil storage tank, the connecting pipe, the three-way valve, the hydraulic oil pump and the flowmeter are matched to accurately detect the hydraulic oil, so that the detection error of the hydraulic oil is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pump detection, in particular to a hydraulic pump detection device for engineering machinery. Background Art

[0002] Hydraulic pumps can convert mechanical energy into hydraulic energy and drive various actuators, such as hydraulic cylinders and hydraulic motors, through high-pressure delivery of hydraulic oil, thereby realizing various actions and functions of construction machinery. They are important components of construction machinery products.

[0003] The existing hydraulic pump detection device performs comparative detection by the amount of hydraulic oil flowing out in the same time and calculates the flow rate through a scale. This detection has a large error and low detection accuracy. Therefore, a hydraulic pump detection device for engineering machinery is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the shortcoming of low detection accuracy in the prior art and proposes a hydraulic pump detection device for engineering machinery.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hydraulic pump detection device for engineering machinery comprises a detection platform, the top of the detection platform is fixedly connected to a hydraulic oil storage tank, the top of the hydraulic oil storage tank is plugged with an oil inlet pipe, one side of the hydraulic oil storage tank is plugged with a connecting pipe, the other end of the connecting pipe is sleeved with a three-way valve, two hydraulic oil pumps are arranged on the top of the detection platform, the inlet ends of the two hydraulic oil pumps are respectively plugged with the two ends of the three-way valve, the outlet end of the hydraulic oil pump is sleeved with a flow meter, and the other end of the flow meter is plugged with an oil outlet pipe.

[0007] Furthermore, two slots are provided on the top of the testing platform, and the hydraulic oil pump is stuck in the slots.

[0008] Furthermore, a support is fixedly connected to the top of the detection platform.

[0009] Furthermore, a motor is fixedly connected to the top of the support, an output end of the motor is fixedly connected to one end of a pump shaft of one of the hydraulic oil pumps, and one end between the pump shafts of the two hydraulic oil pumps is connected to a synchronous belt via a pulley drive.

[0010] Furthermore, an oil storage tank is provided at the bottom of the testing platform, and the other end of the oil outlet pipe is plugged into the oil storage tank.

[0011] Furthermore, a plurality of supporting columns are fixedly connected to the bottom of the detection platform.

[0012] The beneficial effects of the utility model are:

[0013] 1. The hydraulic oil storage tank, connecting pipe, three-way valve, hydraulic oil pump and flow meter are designed to accurately detect the hydraulic oil, thereby reducing the error of hydraulic oil detection.

[0014] 2. The hydraulic oil pump is clamped in the clamping slot, so the installation of the hydraulic oil pump is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a hydraulic pump detection device for engineering machinery proposed by the utility model;

[0016] Figure 2 The utility model is a schematic diagram of the top view of a hydraulic pump detection device for engineering machinery.

[0017] In the figure: 1. test bench; 2. hydraulic oil storage tank; 3. oil inlet pipe; 4. connecting pipe; 5. three-way valve; 6. hydraulic oil pump; 7. timing belt; 8. motor; 9. support; 10. flow meter; 11. oil outlet pipe; 12. oil storage tank; 13. support column; 14. slot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 2 A hydraulic pump detection device for engineering machinery comprises a detection platform 1, a hydraulic oil storage tank 2 is fixedly connected to the top of the detection platform 1, an oil inlet pipe 3 is plugged into the top of the hydraulic oil storage tank 2, a connecting pipe 4 is plugged into one side of the hydraulic oil storage tank 2, and a three-way valve 5 is sleeved on the other end of the connecting pipe 4. Two hydraulic oil pumps 6 are arranged on the top of the detection platform 1, and the inlet ends of the two hydraulic oil pumps 6 are respectively plugged into the two ends of the three-way valve 5, and a flow meter 10 is sleeved on the outlet end of the hydraulic oil pump 6. The hydraulic oil flows through the flow meter 10, so as to accurately detect the hydraulic oil. An oil outlet pipe 11 is plugged into the other end of the flow meter 10, and an oil storage tank 12 is arranged at the bottom of the detection platform 1. The other end of the oil outlet pipe 11 is plugged into the oil storage tank 12. Under the action of the hydraulic oil pump 6, the hydraulic pressure in the hydraulic oil storage tank 2 is transmitted to the connecting pipe 4, and flows into the oil storage tank 12 through the three-way valve 5, the flow meter 10 and the oil outlet pipe 11.

[0020] Two card slots 14 are provided on the top of the testing platform 1, and the hydraulic oil pump 6 is stuck in the card slots 14, so as to facilitate the installation of the hydraulic oil pump 6. A support 9 is fixedly connected to the top of the testing platform 1, and a motor 8 is fixedly connected to the top of the support 9. The output end of the motor 8 is fixedly connected to one end of the pump shaft of one of the hydraulic oil pumps 6, and one end between the pump shafts of the two hydraulic oil pumps 6 is connected to a synchronous belt 7 through a pulley transmission. The hydraulic oil pump 6 is started under the drive of the motor 8 and the transmission action of the synchronous belt 7. A plurality of support columns 13 are welded at the bottom of the testing platform 1, so as to facilitate the support of the testing platform 1.

[0021] The working principle of this embodiment is as follows: when in use, the hydraulic oil is put into the hydraulic oil storage tank 2 from the oil inlet pipe 3, and then the three-way valve 5 is opened. At the same time, the hydraulic oil pump 6 is started under the drive of the motor 8 and the transmission action of the synchronous belt 7. Under the action of the hydraulic oil pump 6, the hydraulic pressure in the hydraulic oil storage tank 2 is transmitted to the connecting pipe 4, and then flows through the flow meter 10 through the three-way valve 5, so as to accurately detect the hydraulic oil, and then flows into the oil storage tank 12 from the oil outlet pipe 11.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hydraulic pump testing device for construction machinery, comprising a testing platform (1), characterized in that: The top of the test bench (1) is fixedly connected to a hydraulic oil storage tank (2), the top of the hydraulic oil storage tank (2) is plugged with an oil inlet pipe (3), one side of the hydraulic oil storage tank (2) is plugged with a connecting pipe (4), the other end of the connecting pipe (4) is sleeved with a three-way valve (5), and two hydraulic oil pumps (6) are provided on the top of the test bench (1), the inlet ends of the two hydraulic oil pumps (6) are respectively plugged with the two ends of the three-way valve (5), the outlet end of the hydraulic oil pump (6) is sleeved with a flow meter (10), and the other end of the flow meter (10) is plugged with an oil outlet pipe (11).

2. A hydraulic pump detection device for construction machinery according to claim 1, characterized in that: The top of the testing platform (1) is provided with two slots (14), and the hydraulic oil pump (6) is stuck in the slots (14).

3. A hydraulic pump detection device for construction machinery according to claim 1, characterized in that: A support (9) is fixedly connected to the top of the detection platform (1).

4. A hydraulic pump detection device for construction machinery according to claim 3, characterized in that: A motor (8) is fixedly connected to the top of the support (9), an output end of the motor (8) is fixedly connected to one end of a pump shaft of one of the hydraulic oil pumps (6), and one end between the pump shafts of the two hydraulic oil pumps (6) is connected to a synchronous belt (7) via a pulley transmission.

5. The hydraulic pump detection device for construction machinery according to claim 1, characterized in that: An oil storage tank (12) is provided at the bottom of the testing platform (1), and the other end of the oil outlet pipe (11) is plugged into the oil storage tank (12).

6. The hydraulic pump detection device for construction machinery according to claim 1, characterized in that: A plurality of support columns (13) are fixedly connected to the bottom of the detection platform (1).

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