CN220490312U - Automatic testing device for air tightness of large motor - Google Patents
Automatic testing device for air tightness of large motor Download PDFInfo
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- CN220490312U CN220490312U CN202322060853.1U CN202322060853U CN220490312U CN 220490312 U CN220490312 U CN 220490312U CN 202322060853 U CN202322060853 U CN 202322060853U CN 220490312 U CN220490312 U CN 220490312U
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- connecting plate
- electromagnetic valve
- pressing die
- water tank
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an automatic testing device for the air tightness of a large motor, which comprises a motor fixing base (1), a motor lifting device, a testing water tank (2), an upper pressing die (3), an upper pressing die lifting device, an air inlet pipe electromagnetic valve (4), an air source processor (5), a pressure sensor, a position sensor (6), a bubble detector and a central processing unit, wherein the position sensor (6) is arranged on a frame, facing the motor to be tested, of the upper edge of the testing water tank (2), the bubble detector is arranged on the upper part of the inner side of the testing water tank (2), and the motor lifting electromagnetic valve (10), the upper pressing die lifting electromagnetic valve (14), the pressure sensor, the position sensor (6), the bubble detector and the air inlet pipe electromagnetic valve (4) are electrically connected with the central processing unit. The utility model can automatically detect bubbles in water during the motor air tightness test, ensure that the detection is not affected by human, ensure that the detection result is accurate and reliable, and obtain good effect.
Description
Technical Field
The utility model relates to a motor air tightness testing device, in particular to an automatic testing device for air tightness of a large motor.
Background
The motor is applied to a humid environment and is easy to cause safety problems, so that the motor is required to be subjected to air tightness test before leaving factories, the existing motor air tightness test is carried out by manually sealing the motor, then the motor is hoisted and immersed in a test water tank, high-pressure air is introduced into the motor during test, whether air bubbles appear in water is observed by eyes of operators to judge the air tightness of the motor, if the air bubbles appear, the air tightness of the motor is poor, and the mode of detecting the air tightness of the motor is that the operators observe the air bubbles in the water for a long time by naked eyes and easily causes eye fatigue, so that errors are caused in judging the air tightness of the motor, unqualified products are caused, potential safety hazards are brought, and the operation of the operators is complex, and the working strength is high, so that the motor is not suitable for mass production detection of factories.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides the automatic large-scale motor air tightness testing device which can avoid the defect that the detection result is influenced by artificial factors when the large-scale motor is subjected to air tightness test, can ensure the accurate air tightness test result of the large-scale motor, has a simple structure and is suitable for mass production detection.
In order to solve the technical problems, the utility model adopts the automatic testing device for the air tightness of the large motor, which comprises a motor fixing base, a motor lifting device, a testing water tank, an upper pressing die lifting device, an air inlet pipe electromagnetic valve, an air source processor, a pressure sensor, a position sensor, a bubble detector and a central processing unit, wherein the motor lifting device comprises a base tooling plate, a vertical connecting plate, a transverse connecting plate, a motor lifting electromagnetic valve and a motor lifting air cylinder, the base tooling plate is arranged in the testing water tank, the motor fixing base is arranged on the base tooling plate, the base tooling plate is connected with the transverse connecting plate through the vertical connecting plate, the transverse connecting plate is connected with an ejector rod of the motor lifting air cylinder, the motor lifting air cylinder is connected with the air source processor through the motor lifting electromagnetic valve, the upper pressing die lifting device comprises an upper pressing die connecting plate, an upper tooling plate, an upper pressing die lifting electromagnetic valve and an upper pressing die lifting cylinder, wherein the upper pressing die is fixedly connected with the bottom surface of the upper pressing die connecting plate, the upper tooling plate is arranged above the upper pressing die connecting plate, the upper pressing die lifting cylinder is arranged above the upper tooling plate, an ejector rod of the upper pressing die lifting cylinder penetrates through the upper tooling plate to be connected with the upper pressing die connecting plate, the upper pressing die lifting cylinder is connected with an air source processor through the upper pressing die lifting electromagnetic valve, the pressure sensor is arranged at the bottom of the upper pressing die, the position sensor is arranged on a frame of the upper edge of the test water tank facing to the motor to be tested, the air bubble detector is arranged at the upper part inside the test water tank, one end of the air inlet pipe is connected with the upper pressing die, the other end of the air inlet pipe is connected with the air source processor through the air inlet pipe electromagnetic valve, and the motor lifting electromagnetic valve, the upper pressing die lifting electromagnetic valve, the pressure sensor, the position sensor, the bubble detector and the air inlet pipe electromagnetic valve are electrically connected with the central processing unit.
As a preferable implementation mode of the utility model, the bottom surface of the transverse connection plate is connected with the ejector rod of the motor lifting cylinder through a flange connection disc, and the top surface of the transverse connection plate is fixedly connected with the upper tooling plate through an upright post.
As a preferred embodiment of the utility model, the left side and the right side of the base tooling plate are respectively and fixedly connected with the lower ends of a first vertical connecting plate and a second vertical connecting plate, the upper ends of the first vertical connecting plate and the second vertical connecting plate are respectively and fixedly connected with the bottom surfaces of a first transverse connecting plate and a second transverse connecting plate, the top surface of the first transverse connecting plate is fixedly connected with the lower ends of a first upright post and a second upright post, the top surface of the second transverse connecting plate is fixedly connected with the lower ends of a third upright post and a fourth upright post, and the upper ends of the first upright post, the second upright post, the third upright post and the fourth upright post are respectively and fixedly connected with the upper tooling plate.
As a preferable embodiment of the utility model, the number of the motor lifting cylinders is 2, the motor lifting cylinders are arranged on the left side and the right side of the test water tank, and the water tank adjusting fixing block and the cylinder bottom angle fixing block are respectively arranged below the test water tank and the motor lifting cylinders.
As a preferred implementation mode of the utility model, the left side and the right side of the top surface of the upper pressing die connecting plate are respectively and fixedly provided with an independent guide pillar, the upper end of each independent guide pillar penetrates through the upper tooling plate, the column body of each independent guide pillar is in sliding connection with the upper tooling plate through a linear bearing sleeve, and the middle part of the top surface of the upper pressing die connecting plate is connected with the ejector rod of the upper pressing die lifting cylinder through a floating joint.
As a preferred implementation mode of the utility model, a pipeline body is arranged above the test water tank, and a line body tooling plate is arranged on the pipeline body.
As a preferred embodiment of the present utility model, the position sensor is an infrared sensor.
As a preferred embodiment of the present utility model, the bubble detector is a CCD vision detector.
As a preferred embodiment of the utility model, the central processing unit is a single chip microcomputer or an industrial computer or a PLC controller.
As a preferable implementation mode of the utility model, a control display screen is arranged on the upper side of the upper tooling plate, and the control display screen is electrically connected with the central processing unit.
After the structure is adopted, the utility model has the following beneficial effects:
the utility model discloses an automatic air tightness testing device for a large motor, which comprises a motor fixing base, a motor lifting device, a testing water tank, an upper pressing die lifting device, an air inlet pipe electromagnetic valve, an air source processor, a pressure sensor, a position sensor, a bubble detector and a central processing unit, wherein the pressure sensor is arranged at the bottom of the upper pressing die, the position sensor is arranged on a frame facing to the motor to be tested, which is arranged on the upper edge of the testing water tank, the bubble detector is arranged at the upper part of the inner side of the testing water tank, one end of the air inlet pipe is connected with the upper pressing die, the other end of the air inlet pipe is connected with the air source processor through the air inlet pipe electromagnetic valve, and the motor lifting electromagnetic valve, the upper pressing die lifting electromagnetic valve, the pressure sensor, the position sensor, the bubble detector and the air inlet pipe electromagnetic valve are electrically connected with the central processing unit. During operation, the shaft of the motor to be tested is preloaded with the test airtight cover to the upper end, the shaft of the motor to be tested is placed on the motor fixing base to the lower end, the motor fixing base is controlled by the central processing unit, the motor to be tested is lifted to a set position through the motor lifting device, the motor to be tested is detected and positioned by the position sensor, the upper pressing die stretches downwards to be aligned and pressed into the spigot of the motor to be tested, the pressure sensor detects that the upper pressing die is aligned and sealed with the motor to be tested in place, the motor lifting device drives the motor fixing base to sink into the test water tank with the motor to be tested, the electromagnetic valve of the air inlet pipe is opened to inflate the motor to be tested, the air bubble detector detects whether air bubbles exist in water, the central processing unit judges the air tightness state of the motor, the detection result is displayed on the control display screen, the motor is lifted to the set position after detection, and the upper pressing die is retracted upwards. The utility model automatically completes the motor air tightness detection by the control machine of the central processing unit during operation, does not need manual operation judgment, and has accurate and reliable detection result.
The utility model has simple structure, convenient implementation, simple installation and operation and low manufacturing cost.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Fig. 1 is a schematic structural view of an automatic air tightness testing device for a large-sized motor according to the present utility model.
Description of the embodiments
Referring to FIG. 1, the automatic test device for the air tightness of the large motor comprises a motor fixing base 1, a motor lifting device, a test water tank 2, an upper pressing die 3, an upper pressing die lifting device, an air inlet pipe electromagnetic valve 4, an air source processor 5, a pressure sensor, a position sensor 6, a bubble detector and a central processing unit, wherein the motor lifting device comprises a base tooling plate 7, a vertical connecting plate 8, a transverse connecting plate 9, a motor lifting electromagnetic valve 10 and a motor lifting cylinder 11, the base tooling plate 7 is arranged in the test water tank 2, the motor fixing base 1 is arranged on the base tooling plate 7, the base tooling plate 7 is connected with the transverse connecting plate 9 through the vertical connecting plate 8, the transverse connecting plate 9 is connected with a push rod of the motor lifting cylinder 11, the motor lifting cylinder 11 is connected with the air source processor 5 through the motor lifting electromagnetic valve 10, the upper pressing die lifting device comprises an upper pressing die connecting plate 12, an upper tooling plate 13, an upper pressing die lifting electromagnetic valve 14 and an upper pressing die lifting cylinder 15, the upper pressing die 3 is fixedly connected with the bottom surface of the upper pressing die connecting plate 12, the upper tooling plate 13 is arranged above the upper pressing die connecting plate 12, the upper pressing die lifting cylinder 15 is arranged above the upper tooling plate 13, a top rod of the upper pressing die lifting cylinder 15 penetrates through the upper tooling plate 13 to be connected with the upper pressing die connecting plate 12, the upper pressing die lifting cylinder 15 is connected with the air source processor 5 through the upper pressing die lifting electromagnetic valve 14, the pressure sensor is arranged at the bottom of the upper pressing die 3, the position sensor 6 is arranged on a frame facing to the motor to be tested on the upper edge of the test water tank 2, the bubble detector is arranged on the upper part of the inner side of the test water tank 2, one end of the air inlet pipe is connected with the upper pressing die 3, the other end of the air inlet pipe is connected with the air source processor 5 through the air inlet pipe electromagnetic valve 4, the motor lifting electromagnetic valve 10, the upper pressing die lifting electromagnetic valve 14, the pressure sensor, the position sensor 6, the bubble detector and the air inlet pipe electromagnetic valve 4 are electrically connected with the central processing unit, and the air inlet pipe, the pressure sensor, the bubble detector and the central processing unit are not shown in the drawing.
As a preferred embodiment of the present utility model, as shown in fig. 1, the bottom surface of the cross connecting plate 9 is connected with the ejector rod of the motor lifting cylinder 11 through a flange connection disc 16, and the top surface of the cross connecting plate 9 is fixedly connected with the upper tooling plate 13 through a stand column 17.
As a preferred embodiment of the present utility model, as shown in FIG. 1, the left and right sides of the base tooling plate 7 are fixedly connected with the lower ends of the first vertical connecting plate 8-1 and the second vertical connecting plate 8-2, the upper ends of the first vertical connecting plate 8-1 and the second vertical connecting plate 8-2 are fixedly connected with the bottom surfaces of the first transverse connecting plate 9-1 and the second transverse connecting plate 9-2, the top surface of the first transverse connecting plate 9-1 is fixedly connected with the lower ends of the first upright 17-1 and the second upright 17-2, the top surface of the second transverse connecting plate 9-2 is fixedly connected with the lower ends of the third upright 17-3 and the fourth upright 17-4, and the upper ends of the first upright 17-1, the second upright 17-2, the third upright 17-3 and the fourth upright 17-4 are fixedly connected with the upper tooling plate 13.
As a preferred embodiment of the present utility model, as shown in fig. 1, the number of the motor lifting cylinders 11 is 2 and are arranged at the left and right sides of the test water tank 2, and a water tank adjusting fixed block 18 and a cylinder bottom angle fixed block 19 are respectively installed below the test water tank 2 and the motor lifting cylinders 11.
As a preferred embodiment of the present utility model, as shown in fig. 1, an independent guide post 20 is fixedly installed on each of the left and right sides of the top surface of the upper die connecting plate 12, the upper end of each independent guide post 20 passes through the upper tooling plate 13, the column shaft of each independent guide post 20 is slidably connected with the upper tooling plate 13 through a linear bearing sleeve 21, and the middle part of the top surface of the upper die connecting plate 12 is connected with the ejector rod of the upper die lifting cylinder 15 through a floating joint 22.
As a preferred embodiment of the present utility model, as shown in fig. 1, a pipeline body 23 is installed above the test water tank 2, and a line body tooling plate 24 is installed on the pipeline body 23.
As a preferred embodiment of the present utility model, as shown in fig. 1, the position sensor 6 is a commercially available infrared sensor.
As a preferred embodiment of the present utility model, as shown in fig. 1, the bubble detector is a commercially available CCD visual detector.
As a preferred embodiment of the present utility model, as shown in fig. 1, the central processing unit is a single chip microcomputer or an industrial computer or a PLC controller.
As a preferred embodiment of the present utility model, as shown in fig. 1, a control display screen 25 is installed on the upper side of the upper tooling plate 13, and the control display screen 25 is electrically connected with the central processing unit.
When the motor to be tested is placed on a wire body tooling plate 24 and flows backwards in parallel along a flow wire body 23, when the motor to be tested reaches the front position of the testing device, a motor lifting electromagnetic valve 10 acts, a motor lifting cylinder 11 works to drive a motor fixing base 1 to lift, the motor to be tested is sent to the motor fixing base 1, a position sensor 6 detects that the motor to be tested reaches a preset position, an upper pressing die lifting electromagnetic valve 14 acts, an upper pressing die 3 is pressed in by an upper pressing die lifting cylinder 15 aiming at a spigot on an airtight testing cover of the motor to be tested, at the moment, a pressure sensor detects that the upper pressing die 3 is pressed in place, the motor lifting electromagnetic valve 10 acts, the motor lifting cylinder 11 retracts to drive the motor to be tested to sink into a testing water tank 2, at the moment, an air inlet pipe electromagnetic valve 4 acts, the motor to be tested is inflated, a bubble detector detects whether bubbles are generated in water, after the air tightness state detection, the motor fixing base 1 rises to be flush with the wire body tooling plate 24, the upper pressing die 3 returns upwards, the motor to be tested is moved back to the wire body tooling plate 24, and the whole testing process is finished.
Through testing, the utility model can automatically detect bubbles in water when the motor is in airtight test, ensure that detection is not affected by human, ensure that detection results are accurate and reliable, and obtain good effects.
Claims (10)
1. The utility model provides a large-scale motor gas tightness automatic testing arrangement which characterized in that: comprises a motor fixing base (1), a motor lifting device, a test water tank (2), an upper pressing die (3), an upper pressing die lifting device, an air inlet pipe electromagnetic valve (4), an air source processor (5), a pressure sensor, a position sensor (6), an air bubble detector and a central processing unit, wherein the motor lifting device comprises a base tooling plate (7), a vertical connecting plate (8), a transverse connecting plate (9), a motor lifting electromagnetic valve (10) and a motor lifting cylinder (11), the base tooling plate (7) is arranged in the test water tank (2), the motor fixing base (1) is arranged on the base tooling plate (7), the base tooling plate (7) is connected with the transverse connecting plate (9) through the vertical connecting plate (8), the transverse connecting plate (9) is connected with an ejector rod of the motor lifting cylinder (11), the motor lifting cylinder (11) is connected with the air source processor (5) through the motor lifting electromagnetic valve (10), the upper pressing die lifting device comprises an upper pressing die connecting plate (12), an upper pressing die lifting tool plate (13), an upper pressing die lifting electromagnetic valve (14) and an upper pressing die lifting electromagnetic valve (15), the upper pressing die (3) is connected with the bottom surface of the upper pressing die (12), the upper die lifting cylinder (15) is installed on the upper die lifting cylinder (13), the ejector rod of the upper die lifting cylinder (15) penetrates through the upper die lifting cylinder (13) and is connected with the upper die connecting plate (12), the upper die lifting cylinder (15) is connected with the air source processor (5) through the upper die lifting electromagnetic valve (14), the pressure sensor is installed at the bottom of the upper die (3), the position sensor (6) is installed on the upper edge of the test water tank (2) towards the frame of the motor to be tested, the bubble detector is installed on the upper portion inside the test water tank (2), one end of the air inlet pipe is connected with the upper die (3), the other end of the air inlet pipe is connected with the air source processor (5) through the air inlet pipe (4), and the motor lifting electromagnetic valve (10), the upper die lifting electromagnetic valve (14), the pressure sensor, the position sensor (6), the bubble detector and the air inlet pipe (4) are electrically connected with the central processing unit.
2. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the bottom surface of the transverse connection plate (9) is connected with the ejector rod of the motor lifting cylinder (11) through a flange connection disc (16), and the top surface of the transverse connection plate (9) is fixedly connected with the upper tooling plate (13) through an upright post (17).
3. The large-sized motor air tightness automatic test equipment according to claim 1 or 2, wherein: the left side and the right side of the base tooling plate (7) are fixedly connected with the lower ends of a first vertical connecting plate (8-1) and a second vertical connecting plate (8-2) respectively, the upper ends of the first vertical connecting plate (8-1) and the second vertical connecting plate (8-2) are fixedly connected with the bottom surfaces of a first transverse connecting plate (9-1) and a second transverse connecting plate (9-2) respectively, the top surface of the first transverse connecting plate (9-1) is fixedly connected with the lower ends of a first upright post (17-1) and a second upright post (17-2), the top surface of the second transverse connecting plate (9-2) is fixedly connected with the lower ends of a third upright post (17-3) and a fourth upright post (17-4), and the upper ends of the first upright post (17-1), the second upright post (17-2), the third upright post (17-3) and the fourth upright post (17-4) are fixedly connected with the upper tooling plate (13) respectively.
4. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the number of the motor lifting cylinders (11) is 2, the motor lifting cylinders are arranged on the left side and the right side of the test water tank (2), and water tank adjusting fixing blocks (18) and cylinder bottom angle fixing blocks (19) are respectively arranged below the test water tank (2) and the motor lifting cylinders (11).
5. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the left side and the right side of the top surface of the upper die connecting plate (12) are respectively and fixedly provided with an independent guide pillar (20), the upper end of each independent guide pillar (20) penetrates through the upper tooling plate (13), the column body of each independent guide pillar (20) is in sliding connection with the upper tooling plate (13) through a linear bearing sleeve (21), and the middle part of the top surface of the upper die connecting plate (12) is connected with the ejector rod of the upper die lifting cylinder (15) through a floating joint (22).
6. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the assembly line body (23) is arranged above the test water tank (2), and the assembly line body tooling plate (24) is arranged on the assembly line body (23).
7. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the position sensor (6) is an infrared sensor.
8. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the bubble detector is a CCD visual detector.
9. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: the central processing unit is a singlechip or an industrial computer or a PLC controller.
10. The automatic test equipment for the air tightness of a large motor according to claim 1, wherein: and a control display screen (25) is arranged on the upper side of the upper tooling plate (13), and the control display screen (25) is electrically connected with the central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060853.1U CN220490312U (en) | 2023-08-02 | 2023-08-02 | Automatic testing device for air tightness of large motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060853.1U CN220490312U (en) | 2023-08-02 | 2023-08-02 | Automatic testing device for air tightness of large motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490312U true CN220490312U (en) | 2024-02-13 |
Family
ID=89824895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322060853.1U Active CN220490312U (en) | 2023-08-02 | 2023-08-02 | Automatic testing device for air tightness of large motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490312U (en) |
-
2023
- 2023-08-02 CN CN202322060853.1U patent/CN220490312U/en active Active
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