Motor pump head testing device

Abstract

The utility model relates to a motor pump head testing device which comprises a test bench, one side of the test bench is provided with a mounting plate, the middle of the test bench is provided with a supporting plate, and the other side of the test bench is provided with a fixing plate. The connecting base is connected with the supporting plate through a connecting piece, and a stepped hole capable of being matched with the pump head assembly is formed in one end of the connecting base. A connecting shaft is rotationally arranged in the connecting base, and a prism section capable of being matched with the pump head assembly is arranged at one end of the connecting shaft. A framework seal is arranged between the middle section of the connecting shaft and the connecting seat; the driving motor is fixedly mounted on one side of the mounting plate, and an output shaft of the driving motor is connected with one end of the connecting shaft through a coupler. The motor pump head component testing device can be conveniently and quickly assembled with a pump head component, can independently realize testing work of performance parameters and durability tests of the motor pump head component, is simple in overall structure, and improves working efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of motor pump technology and relates to a motor pump head testing device. Background Technology

[0002] An electric motor pump, also known as an integrated electric pump, is a device that combines the motor and pump into one unit. It integrates the traditional separate motor and pump design, achieving advantages such as simplified installation, reduced footprint, and energy savings. Currently, performance parameters and durability tests for the pump head component of electric motor pumps can only be conducted after the pump head component is assembled with other parts of the motor pump. This installation process is cumbersome, and if performance fails to meet requirements, the cause of failure cannot be quickly identified. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this utility model provides a testing device for motor pump heads that facilitates testing of pump head assemblies.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] A test device for an electric motor pump head, comprising:

[0006] The test bench has a mounting plate on one side, a support plate in the middle, and a fixing plate on the other side.

[0007] The connecting seat is connected to the support plate by a connector. One end of the connecting seat is provided with a stepped hole that can mate with the pump head assembly. A connecting shaft is rotatably provided inside the connecting seat. One end of the connecting shaft is provided with a prism section that can mate with the pump head assembly. A skeleton seal is provided between the middle section of the connecting shaft and the connecting seat.

[0008] A drive motor is fixedly mounted on one side of the mounting plate, and the output shaft of the drive motor is connected to one end of a connecting shaft via a coupling.

[0009] Preferably, the connecting seat is provided with a retaining ring for fixing the skeleton seal.

[0010] Preferably, a sealing ring is provided between the pump head assembly and the connecting seat.

[0011] Preferably, one end of the connecting seat is provided with a first connecting flange, and the other end is provided with a connecting hole.

[0012] Preferably, a bearing is provided between the middle section of the connecting shaft and the connecting seat, a positioning protrusion for fixing the bearing is provided in the middle of the connecting shaft, and a positioning step for fixing the bearing is provided on the connecting seat.

[0013] Preferably, the fixing plate has a clearance groove.

[0014] Compared with the prior art, this utility model has the following advantages:

[0015] This invention can be easily and quickly assembled with the pump head assembly, and can independently perform performance parameter and durability tests on the motor pump head component. The overall structure is simple and improves work efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the overall structure of this utility model.

[0019] In the diagram: 1. Test bench; 2. Mounting plate; 3. Support plate; 4. Fixing plate; 5. Connecting seat; 6. Connecting piece; 7. Stepped hole; 8. Pump head assembly; 9. Connecting shaft; 10. Prismatic section; 11. Skeleton seal; 12. Drive motor; 13. Coupling; 14. Hole retaining ring; 15. Sealing ring; 16. First connecting flange; 17. Connecting hole; 18. Bearing; 19. Positioning convex ring; 20. Positioning step; 21. Leaving groove; 22. Gear. Detailed Implementation

[0020] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0021] This embodiment proposes a test device for an electric pump head, including a test bench 1, a connecting seat 5 and a drive motor 12. The test bench 1 provides support for each component, and the connecting seat 5 is used to connect the pump head assembly 8 and the drive motor 12.

[0022] like Figures 1-3 As shown, a mounting plate 2 is provided on one side of the test bench 1, a support plate 3 is provided in the middle of the test bench 1, and a fixing plate 4 is provided on the other side of the test bench 1.

[0023] The connecting seat 5 is connected to the support plate 3 by the connecting piece 6. One end of the connecting seat 5 is provided with a stepped hole 7 that can cooperate with the pump head assembly 8. The housing of the pump head assembly 8 can be inserted into the stepped hole 7.

[0024] The connecting seat 5 is rotatably provided with a connecting shaft 9. One end of the connecting shaft 9 is provided with a prism section 10 that can cooperate with the pump head assembly 8. The prism section 10 can cooperate with the gear inner hole inside the pump head assembly 8.

[0025] A skeleton seal 11 is provided between the middle section of the connecting shaft 9 and the connecting seat 5, and the skeleton seal 11 seals the connection between the connecting shaft 9 and the connecting seat 5.

[0026] The drive motor 12 is fixedly installed on one side of the mounting plate 2. The output shaft of the drive motor 12 is connected to one end of the connecting shaft 9 via a coupling 13. When the drive motor 12 is in operation, it can drive the pump head assembly 8 to work via the connecting shaft 9, thereby realizing the performance test of the pump head assembly 8.

[0027] Furthermore, the connecting seat 5 is provided with a retaining ring 14 for fixing the skeleton seal 11.

[0028] Furthermore, a sealing ring 15 is provided between the pump head assembly 8 and the connecting seat 5, and the sealing ring 15 ensures that the pump head assembly 8 is well sealed.

[0029] Furthermore, one end of the connecting seat 5 is provided with a first connecting flange 16, which allows the connecting seat 5 to be connected to the support plate 3; the other end is provided with a connecting hole 17, which allows the connecting seat 5 to be connected to the pump head assembly 8.

[0030] Furthermore, a bearing 18 is provided between the middle section of the connecting shaft 9 and the connecting seat 5, a positioning protrusion 19 for fixing the bearing 18 is provided in the middle of the connecting shaft 9, and a positioning step 20 for fixing the bearing 18 is provided on the connecting seat 5.

[0031] Furthermore, the fixing plate 4 is provided with a relief groove 21, which facilitates the connection between the pump head assembly 8 and the fixing plate 4.

[0032] Working principle: When in use, the pump head assembly 8 is connected to the drive motor 12 through the connecting seat 3. The drive motor 12 can drive the internal gear of the pump head assembly 8 to rotate through the connecting shaft 9. The pump head assembly 8 can work independently without the need for motor assembly, thus realizing independent testing of the pump head assembly 8.

[0033] It is understood that the above embodiments are merely exemplary models used to illustrate the principles of this utility model, and this utility model is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of this utility model, and these modifications and improvements are also considered to be within the protection scope of this utility model.

Claims

1. A testing device for an electric motor pump head, characterized in that, include: Test bench (1), with a mounting plate (2) on one side, a support plate (3) in the middle, and a fixing plate (4) on the other side. A connecting seat (5) is connected to a support plate (3) by a connector (6). One end of the connecting seat (5) is provided with a stepped hole (7) that can cooperate with the pump head assembly (8). A connecting shaft (9) is rotatably provided inside the connecting seat (5). One end of the connecting shaft (9) is provided with a prism section (10) that can cooperate with the pump head assembly (8). A skeleton seal (11) is provided between the middle section of the connecting shaft (9) and the connecting seat (5). The drive motor (12) is fixedly installed on one side of the mounting plate (2), and the output shaft of the drive motor (12) is connected to one end of the connecting shaft (9) by means of a coupling (13).

2. The motor pump head testing device according to claim 1, characterized in that, The connecting seat (5) is provided with a retaining ring (14) for fixing the skeleton seal (11).

3. The motor pump head testing device according to claim 1, characterized in that, A sealing ring (15) is provided between the pump head assembly (8) and the connecting seat (5).

4. The motor pump head testing device according to claim 1, characterized in that, One end of the connecting seat (5) is provided with a first connecting flange (16), and the other end is provided with a connecting hole (17).

5. The motor pump head testing device according to claim 1, characterized in that, A bearing (18) is provided between the middle section of the connecting shaft (9) and the connecting seat (5). A positioning protrusion (19) for fixing the bearing (18) is provided in the middle of the connecting shaft (9). A positioning step (20) for fixing the bearing (18) is provided on the connecting seat (5).

6. The motor pump head testing device according to claim 1, characterized in that, The fixing plate (4) is provided with a clearance groove (21).

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