A motor water spray test device

By designing a motor water spray test device, utilizing the repulsive vibration structure of magnet groups and springs, as well as a spray system, the problems of single factors and leakage safety hazards in motor waterproof testing are solved. This enables comprehensive testing of motors under vibration and water spray environments, improving test accuracy and safety.

CN120800674BActive Publication Date: 2025-11-25CHANGZHOU SONGZE ELECTRIC
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Patent Information

Application Number
CN202511296048.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2025-11-25
Estimated Expiration
2045-09-11

AI Technical Summary

Technical Problem

Existing motor waterproof testing equipment relies on a single factor during testing, making it impossible to comprehensively evaluate the waterproof performance of the motor. It also poses a risk of electric leakage and cannot simulate the water spray environment of a motor while it is rotating.

Method used

A motor water spray test device was designed, which uses components such as a plastic circular plate, gears, a gear disc, a shaft end fixing sleeve, a second spring, a spray enclosure and a spray pipe. Through the repulsive vibration of the magnet group and the connection of the spring, the rotation state of the motor under vibration environment is simulated. Combined with the spray system to simulate the water spray environment, a comprehensive test can be achieved.

Benefits of technology

It enables comprehensive testing of motors under vibration and water spray conditions, improving the accuracy and safety of testing, simulating the actual working environment of motors, and reducing the risk of leakage.

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Abstract

The application discloses a motor water spraying test device, which comprises a plastic round plate, a gear, a toothed disc, an axle end fixing sleeve, a spraying cover and a spraying pipe. The application has the advantages that: the lower magnet group on the gear and the upper magnet group distributed between the plastic round plate bottom intermittently repel each other in an instant, and combined with the first spring, the repelling vibration can be formed on the rotating state of the motor to be tested; the influence degree of the vibration on the waterproof structure of the motor is used to test the waterproof performance of the motor in the vibration environment; the axle end of the motor to be tested fixed by the tooling mechanism and the barrel opening of the axle end fixing sleeve are fixed together, so that the effect of driving the rotor of the motor to be tested is achieved, and the axle end fixing sleeve is connected and supported by the second spring, which can simulate the running of the motor to be tested in the power-on state, prevent the influence on the repelling vibration of the plastic round plate, increase the condition factors of the motor water spraying test, and be more in line with the actual working environment of the motor, so that the test is more comprehensive and accurate.
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Description

Technical Field

[0001] This invention relates to the field of waterproof testing technology for motors, specifically a water spray testing device for motors. Background Technology

[0002] An electric motor, also known as an electric motor or electric motor, works primarily by rotating a energized coil in a magnetic field, which in turn drives a starter rotor. A small gear on the rotor then rotates the engine flywheel. Electric motors are widely used in everyday technological fields such as automobiles, mining, civil engineering, aviation, and mechanical engineering, and are a crucial driving force behind 20th-century technological innovation.

[0003] Existing motor waterproof testing devices are divided into immersion tests and water spray tests. Both types of water spray tests have the following drawbacks: 1. They only consider one factor influencing the motor's waterproof performance, resulting in an incomplete waterproof test; 2. When the motor is immersed in water or under water spray conditions, the motor under test is powered on, posing a safety hazard of electric leakage, and the motor rotor cannot be kept in a rotating state. Therefore, a new motor water spray testing device is proposed to address these issues. Summary of the Invention

[0004] The purpose of this invention is to provide a motor water spray test device in order to solve the above-mentioned problems.

[0005] The present invention achieves the above-mentioned objective through the following technical solution: a motor water spray test device, comprising a plastic circular plate, gears, a gear disk, a shaft end fixing sleeve, a second spring, a spray enclosure and a spray pipe. Multiple first springs are connected between the plastic circular plate and the gear disk, and the top of the plastic circular plate is fixedly connected to the motor under test through a tooling mechanism. Each of the gears is meshed with a corresponding part of the same gear disk, and the lower magnet group located on the top circular surface of each gear and the upper magnet group located on the bottom edge of the plastic circular plate form a repulsive vibration structure through instantaneous rotation.

[0006] The shaft end of each gear is connected to the drive motor located at the bottom of the spray enclosure. The opening of the shaft end fixing sleeve is fixedly connected to the shaft end of the motor under test by bolts. One side of the shaft end fixing sleeve is fixedly connected to one end of the second spring. The other end of the second spring is fixedly installed on one side of the slide. The spray pipe is installed on the top of the spray enclosure.

[0007] Preferably, the upper magnet assembly consists of multiple circular magnets of different diameters, and the multiple circular magnets of different diameters are arranged in an arc shape.

[0008] Preferably, the lower magnet assembly consists of two circular magnets, which are symmetrically mounted on the circular surface at the top of the gear.

[0009] Preferably, the tooling mechanism comprises a cross fixing frame and side jacks, four of the side jacks are distributed between the cross fixing frame and the plastic round plate, the studs on the top of the side jacks are fixedly connected with the corresponding parts of the cross fixing frame, and the bottom of the side jacks is fixedly installed on the top of the T-shaped sliding block.

[0010] Preferably, the T-shaped sliding block is slidingly installed in the T-shaped sliding groove, and four T-shaped sliding grooves are distributed in cross shape on the top surface of the plastic round plate.

[0011] Preferably, the middle part of the gear disc is connected with the middle position of the inner bottom of the spraying cover through a rotating shaft, the water tank located outside the spraying cover is connected with the spraying pipe through a booster pump.

[0012] Preferably, the sliding seat is slidingly connected with the two guide rails located at the corresponding positions of the inner wall of the spraying cover, and the oil cylinder is installed at the bottom of the sliding seat.

[0013] Preferably, the drainage pipe is installed in communication with the bottom of the spraying cover, and the controller is installed on one side of the window on one side of the spraying cover.

[0014] The beneficial effects of the present application are:

[0015] I. The lower magnet group on the gear and the upper magnet group distributed in the plastic round plate are intermittently repelled, and combined with the first spring, which can form repulsive vibration to the rotating motor to be tested, and the influence degree of vibration on the waterproof structure of the motor is used to test the waterproof performance of the motor in the vibration environment.

[0016] II. By fixing the shaft end of the motor to be tested and the cylinder port of the shaft end fixing sleeve together, the effect of driving the rotor of the motor to be tested is achieved, and the shaft end fixing sleeve is supported by the second spring, which can simulate the running of the motor to be tested, prevent the influence on the repulsive vibration plastic round plate, increase the condition factor of the motor water test, and be more consistent with the actual working environment of the motor, and the test is more comprehensive and accurate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a perspective view of the overall structure of the present application.

[0019] Figure 2 It is a perspective view of the local structure of the present application.

[0020] Figure 3 For Figure 2 The local structure in the motor connecting structure schematic view to be detected;

[0021] Figure 4 For the plastic round plate, gear and gear plate connecting structure schematic view of the application;

[0022] Figure 5 For another angle of the overall structure schematic view of the application.

[0023] In the figure: 1, plastic round plate; 110, T-shaped sliding groove; 120, upper magnet group; 2, gear; 210, lower magnet group; 220, driving motor; 3, gear plate; 310, first spring; 320, rotating shaft; 4, cross fixed frame; 5, side top block; 510, T-shaped sliding block; 6, shaft end fixing sleeve; 7, second spring; 8, sliding seat; 810, oil cylinder; 9, guide rail; 10, motor to be detected; 11, spraying cover; 12, spraying pipe; 13, water tank; 14, controller; 15, drain pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The technical solutions of the present application will be further described below in combination with the drawings and through specific embodiments.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] Please refer to Figures 1-5As shown in the motor water test device, comprising a plastic round plate 1, gear 2, gear plate 3, shaft end fixed sleeve 6, second spring 7, spray cover 11 and spray pipe 12, the plastic round plate 1 and the gear plate 3 are connected with a plurality of first spring 310, and the plastic round plate 1 top is fixedly connected with the motor to be measured 10 through the tooling mechanism, each gear 2 is engaged with the corresponding part of the same gear plate 3, and the lower magnet group 210 at the top of each gear 2 is connected with the upper magnet group 120 distributed at the bottom edge of the plastic round plate 1 through instantaneous rotation to form a repulsion vibration structure, the upper magnet group 120 is composed of a plurality of different diameter circular magnets, and the plurality of different diameter circular magnets are distributed in arc shape, the lower magnet group 210 is composed of two circular magnets, and the two circular magnets are symmetrically installed on the top of the gear 2, the shaft end of each gear 2 is connected with the driving motor 220 located at the bottom of the spray cover 11.

[0028] Specifically combined Figure 2 And Figure 4 As shown in the spraying process, the driving motor 220 of the planet distribution drives the corresponding gear 2 to rotate, so that the gear plate 3 connected with the same gear is rotated, and the effect of driving the plastic round plate 1 connected by the first spring 310 and the fixed motor to be measured 10 to rotate synchronously can be achieved, and the water test of the motor to be measured 10 in the rotating state can be completed.

[0029] Among them, the lower magnet group 210 on the gear 2 and the upper magnet group 120 distributed at the bottom of the plastic round plate 1 intermittently repel each other, and combined with the first spring 310, the repulsion vibration of the motor to be measured 10 in the rotating state can be formed, and the influence degree of vibration on the waterproof structure of the motor is used to test the waterproof performance of the motor in the vibration environment.

[0030] The barrel of the shaft end fixed sleeve 6 is fixedly connected with the shaft end of the motor to be measured 10 through bolts, and one side of the shaft end fixed sleeve 6 is fixedly connected with one end of the second spring 7, the other end of the second spring 7 is fixedly installed on one side of the sliding seat 8, and the spray pipe 12 is installed on the top of the spray cover 11.

[0031] Combined Figure 3 As shown in the rotating vibration state of the motor to be measured 10, the shaft end of the motor to be measured 10 fixed by the tooling mechanism is fixed with the barrel of the shaft end fixed sleeve 6, so as to drive the rotor of the motor to be measured 10 to rotate, and the shaft end fixed sleeve 6 is connected and supported by the second spring 7, which can not only simulate the running of the motor to be measured under power, but also prevent the influence on the repulsion vibration of the plastic round plate 1, increase the condition factor of the motor water test, and be more consistent with the actual working environment of the motor, and the test is more comprehensive and accurate.

[0032] The tooling mechanism comprises a cross fixing frame 4 and side top blocks 5, four of which are distributed between the cross fixing frame and the plastic circular plate 1, the studs at the top of the side top blocks 5 are fixedly connected with the corresponding parts of the cross fixing frame 4, the bottom of the side top blocks 5 is fixedly installed on the top of a T-shaped sliding block 510, the T-shaped sliding block 510 is slidingly installed in a T-shaped sliding groove 110, and four T-shaped sliding grooves 110 are distributed in cross shape on the top surface of the plastic circular plate 1.

[0033] By moving the four distributed side top blocks 5 inwards to contact the motor to be tested 10, and fixing the studs at the top of each side top block 5 with the corresponding parts of the cross fixing frame 4, the cross fixing frame 4 is fixedly connected with the end of the motor to be tested 10, and the side top blocks 5 are fixedly connected with the side of the motor to be tested 10, which can meet the tooling fixing of motors of different specifications.

[0034] As shown in Figure 1 The middle part of the toothed disc 3 is connected with the middle position between the inner bottom of the spraying enclosure 11 through a rotating shaft 320, the water tank 13 outside the spraying enclosure 11 is connected with the spraying pipe 12 through a booster pump, and the built-in booster pump can output and spray the water in the water tank 13 to the spraying pipe 12, thereby creating a dense water spraying environment.

[0035] As shown in Figure 3 The sliding seat 8 is slidingly connected with the two guide rails 9 at the corresponding positions of the inner wall of the spraying enclosure 11, and the bottom of the sliding seat 8 is provided with an oil cylinder 810, which can move the connected sliding seat 8 up or down along the guide rail 9 by extending or retracting the oil cylinder 810, thereby adjusting the height of the shaft end fixing sleeve 6 connected with the second spring 7.

[0036] Further, the bottom of the spraying enclosure 11 is provided with a drain pipe 15, and the controller 14 is installed on one side of the window on one side of the spraying enclosure 11.

[0037] Working principle: as shown in Figure 2 and Figure 4 During the spraying process, the driving motor 220 distributed in the planet is rotated to drive the corresponding gear 2 to rotate, so that the toothed disc 3 connected with the same gear is rotated, thereby driving the plastic circular plate 1 connected with the first spring 310 and the motor to be tested 10 fixedly connected therewith to rotate synchronously, so that the water spraying and waterproof test of the motor to be tested 10 in the rotating state can be completed;

[0038] The lower magnet group 210 on the gear 2 and the upper magnet group 120 on the plastic circular plate 1 repel each other intermittently, and in combination with the first spring 310, can form repulsion vibration to the motor 10 in rotation state, and the waterproof performance of the motor in vibration environment can be tested by the influence degree of vibration on the motor waterproof structure.

[0039] In combination Figure 3 As shown in the drawings, when the motor 10 is in a rotating vibration state, the shaft end of the motor 10 fixed by the tooling mechanism is fixed with the barrel opening of the shaft end fixing sleeve 6, so as to drive the rotor of the motor 10 to rotate, and the shaft end fixing sleeve 6 is connected and supported by the second spring 7, which can simulate the energized operation of the motor, prevent the influence on the repulsion vibration plastic circular plate 1, increase the condition factors of the motor water test, and be more consistent with the actual working environment of the motor, and the test is more comprehensive and accurate.

[0040] The four side top blocks 5 are moved inward to contact the motor 10, and the studs on the top of each side top block 5 are fixedly connected with the corresponding parts of the cross fixing frame 4, so that the cross fixing frame 4 contacts and fixes the end of the motor 10, and the side top block 5 restricts and fixes the side of the motor 10, which can meet the tooling fixation of motors of different specifications.

[0041] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they relate.

[0042] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An electric machine water drenching test device characterized by: Including plastic round board (1), gear (2), toothed disc (3), shaft end fixed sleeve (6), second spring (7), spray cover (11) and spray pipe (12), the plastic round board (1) is connected with a plurality of first spring (310) between the toothed disc (3), and the plastic round board (1) top is fixedly connected with the motor (10) to be measured through tool mechanism, each gear (2) is engagedly connected with the corresponding part of the same toothed disc (3), and the lower magnet group (210) at the top of each gear (2) is connected with the upper magnet group (120) distributed at the bottom edge of the plastic round board (1) through instantaneous rotation to form repulsion vibration structure, the upper magnet group (120) is composed of a plurality of different diameter circular magnets, and a plurality of different diameter circular magnets are distributed in arc shape, the lower magnet group (210) is composed of two circular magnets, and the two circular magnets are symmetrically installed on the top of the gear (2), the lower magnet group (210) on the gear (2) is intermittently repelled from the upper magnet group (120) distributed on the bottom of the plastic round board (1), and can form repulsion vibration on the rotating motor (10) to be measured in combination with the first spring (310). The shaft end of the middle of each gear (2) is connected with the driving motor (220) located at the bottom of the spray cover (11), the barrel of the shaft end fixed sleeve (6) is fixedly connected with the shaft end of the motor (10) to be measured through bolts, one side of the shaft end fixed sleeve (6) is fixedly connected with one end of the second spring (7), the other end of the second spring (7) is fixedly installed on one side of the sliding seat (8), and the spray pipe (12) is installed on the top of the spray cover (11).

2. The water test device for a motor according to claim 1, characterized by: The tool mechanism comprises a cross fixed frame (4) and a side top block (5), four side top blocks (5) are distributed between the cross fixed frame and the plastic round board (1), the stud on the top of the side top block (5) is fixedly connected with the corresponding part of the cross fixed frame (4), and the side top block (5) is fixedly installed on the top of the T-shaped sliding block (510).

3. A water run test apparatus for an electrical machine as claimed in claim 2, wherein: The T-shaped sliding block (510) is slidingly installed in the T-shaped sliding groove (110), and four T-shaped sliding grooves (110) are distributed in cross shape on the top surface of the plastic round board (1).

4. The water test apparatus for a motor according to claim 1, wherein: The middle of the toothed disc (3) and the middle position between the inner bottom of the spray cover (11) are connected with each other through the rotating shaft (320), the water tank (13) located outside the spray cover (11) is connected with the spray pipe (12) through the booster pump.

5. The water test apparatus for a motor according to claim 1, wherein: The sliding seat (8) is slidingly connected with the two guide rails (9) at the corresponding positions of the inner wall of the spray cover (11), and the oil cylinder (810) is installed on the bottom of the sliding seat (8).

6. The water test apparatus for a motor according to claim 1, wherein: The drain pipe (15) is installed in communication at the bottom of the spray cover (11), and the controller (14) is installed on one side of the window on one side of the spray cover (11).

Citation Information

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