CN115615622A - Water-cooled machine shell leakproofness check out test set - Google Patents
Water-cooled machine shell leakproofness check out test set Download PDFInfo
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- CN115615622A CN115615622A CN202211313057.8A CN202211313057A CN115615622A CN 115615622 A CN115615622 A CN 115615622A CN 202211313057 A CN202211313057 A CN 202211313057A CN 115615622 A CN115615622 A CN 115615622A
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- metal rod
- motor housing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- Examining Or Testing Airtightness (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a water-cooled motor shell sealing performance detection device which comprises a box body, wherein a central cavity with an upward opening is formed in the box body, a color development detection assembly is arranged in the central cavity and comprises a central shaft, four screw rod grooves which are circumferentially arranged in an array are formed in the outer circular surface of the central shaft, and screw rods A are arranged between the cavity walls of the two ends of each screw rod groove in a rotating fit mode. According to the invention, the principle that the anhydrous copper sulfate powder changes color when meeting water is utilized, high-humidity air is introduced into the water-cooled motor shell, when the inner wall of the water-cooled motor shell is damaged, water vapor in the air reacts with the anhydrous copper sulfate to determine whether the inner wall of the water-cooled motor shell leaks through color development, and the method can be used for more visually judging whether the damage leakage exists or not, so that the detection result is more accurate, and the damage leakage position can be directly displayed to facilitate related work such as damage repair of workers.
Description
Technical Field
The invention relates to the field of detection of water-cooled motors, in particular to equipment for detecting the sealing property of a shell of a water-cooled motor.
Background
The water-cooling motor is provided with the water-cooling circulation channel inside the motor shell, and the heat inside the motor is taken away by using external water-cooling circulation when the motor runs so as to cool the motor, so that the running efficiency is higher compared with that of the traditional motor, and the cooling system can ensure that the motor stably works for a long time under the condition of high external environment temperature;
poor sealing performance of a shell of the water-cooled motor usually appears on the inner wall of the shell, the water-cooled motor can ensure that no liquid leakage occurs during operation to cause operation accidents by detecting the sealing performance of the inner wall of the shell, the current detection mode of the shell of the water-cooled motor is that the shell of the motor is wholly immersed into water, an air pipe is externally connected to one water-cooled joint of the shell and blocks the other water-cooled joint, and air bubbles are observed in a mode of blowing air into an internal passage of the shell to judge the leakage condition of the shell;
the current water-cooled machine shell leakproofness detection mode needs artifical visual observation, the damaged of motor housing inner wall is revealed and is received check out test set and motor housing self and shelter from, be difficult to observe, especially when the small damage reveals, there is the condition that the manual work can't be detected, this mode only can well detect water-cooled machine shell leakproofness, can't detect concrete position of revealing, this mode is simultaneously with the whole aquatic detection completion back of soaking of casing, need further carry out steps such as drying to the shell and just can carry out the holistic assembly of follow-up motor, the process is comparatively troublesome, and production efficiency is reduced.
Disclosure of Invention
The invention aims to provide equipment for detecting the sealing performance of a water-cooled motor shell, which solves the problems.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A water-cooled motor shell sealing performance detection device comprises a box body, wherein a central cavity with an upward opening is formed in the box body, a color development detection assembly is arranged in the central cavity and comprises a central shaft, four screw grooves which are arranged in a circumferential array are formed in the outer circular surface of the central shaft, screw rods A are arranged between the two end cavity walls of the screw grooves in a rotating fit mode, four lifting rings are sleeved on the central shaft and respectively extend into the four screw grooves and are in threaded fit with the corresponding screw rods A;
an elastic metal sheet is connected between two lifting rings which are close to each other, the elastic metal sheet is arranged in a circumferential array by taking the central shaft as a center, a limiting hole is fixedly formed in a folding angle of the elastic metal sheet, a metal rod B which extends downwards is fixedly arranged in the cavity wall of the limiting hole at the upper side, a metal rod A is arranged in the limiting hole at the lower side in a sliding fit manner, the metal rod A is connected with the metal rod B through a metal spring, a limiting metal ball is fixedly arranged at the tail end of the lower side of the metal rod A, and the limiting metal ball is positioned below the limiting hole;
the center chamber upside has seted up the chamber that opens and shuts, the intracavity that opens and shuts is equipped with dampproofing subassembly, dampproofing subassembly is used for avoiding anhydrous copper sulfate powder and the reaction of water in the air and discolour.
Preferably, a storage cavity is formed in the periphery of the central cavity in an upward mode and used for storing anhydrous copper sulfate powder.
Preferably, the dampproofing subassembly includes that two are located the open-close plate of central chamber bilateral symmetry arrangement, the open-close plate is in open-close chamber intracavity sliding fit, the open-close plate is kept away from a central chamber side end face is fixed with magnet, open-close chamber both sides intracavity fixed with the just right electro-magnet of magnet.
Preferably, adhesive sticker is attached to the surfaces of the metal rod a, the metal rod B and the metal spring to adhere copper sulfate powder.
Preferably, the inner wall of the central cavity is provided with an annular conductive plate A and an annular conductive plate B, and the annular conductive plate A and the annular conductive plate B both surround the color development detection assembly.
Preferably, the central cavity is communicated with the upper side of the storage cavity and is provided with a clamping detection cavity with an upward opening, a pneumatic clamping device is installed on the side cavity wall of the clamping detection cavity, and clamping foam is installed on a clamping plate of the pneumatic clamping device and is used for buffering and protecting the motor shell.
Preferably, motor A is installed to the center pin bottom, motor A's motor shaft with lead screw A's lower extreme is fixed, motor B is installed to the central cavity downside, install the lead screw B that upwards extends on motor B's the motor shaft, lead screw B upwards extend to inside and with the center pin screw-thread fit of center pin.
Preferably, install steam generator in the box, hose A, hose B are installed to the box lateral wall, hose A one end with steam generator's exit linkage, hose B only plays airtight effect, hose A with hose B one end all installs the joint, the joint can with wait to detect the water-cooling articulate of motor housing.
Preferably, an operation panel is installed on the outer side of the box body, and a worker operates the operation panel to control the operation of each mechanism in the device.
Preferably, the metal rod A, the metal rod B and the metal spring are all made of copper and are not corroded after being contacted with copper sulfate powder for a long time, and meanwhile, the surfaces of all parts in the device are sprayed with corrosion-resistant oil to prevent the parts from being corroded due to reaction with the copper sulfate powder.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
According to the invention, the principle that the anhydrous copper sulfate powder changes color when meeting water is utilized, high-humidity air is introduced into the water-cooled motor shell, when the inner wall of the water-cooled motor shell is damaged, water vapor in the air reacts with the anhydrous copper sulfate to determine whether the inner wall of the water-cooled motor shell leaks or not through color development, and the method can be used for more visually judging whether the damage leakage exists or not through manpower, so that the detection result is more accurate, and the damage leakage position can be directly displayed to facilitate related work such as damage repair of workers.
The color development component used by the invention can change the form according to the actually detected water-cooled motor shell to adapt to the water-cooled motor shells with different sizes, so that the application range of the device is wider, meanwhile, the color development component can be heated up, and the developed copper sulfate powder can be dehydrated and whitened again for next detection every detection.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional structural view of a casing in the embodiment of the invention;
FIG. 3 is a cross-sectional structural schematic view of a moisture barrier assembly in an embodiment of the invention;
FIG. 4 is a schematic perspective view of a color development detecting assembly according to an embodiment of the present invention;
FIG. 5 is a schematic partial sectional view of a color development detecting unit according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of an elastic metal sheet according to an embodiment of the present invention;
FIG. 7 is a schematic perspective cross-sectional view of a central shaft in an embodiment of the present invention;
fig. 8 is an enlarged view of the structure at a in fig. 4 in the embodiment of the present invention.
In the figure: 11. a box body; 12. a central lumen; 13. a storage chamber; 14. clamping the detection cavity; 16. an opening and closing cavity; 20. a central shaft; 21. a screw groove; 22. a screw mandrel A; 23. a lifting ring; 24. a resilient metal sheet; 25. a limiting hole; 29. a motor A; 31. a metal rod A; 32. a metal rod B; 33. a metal spring; 34. limiting a metal ball; 41. an annular conductive plate A; 42. an annular conductive plate B; 51. a motor B; 52. a screw mandrel B; 60. opening and closing the board; 61. a magnet; 62. an electromagnet; 70. a pneumatic gripper; 71. clamping foam; 77. a control panel; 80. a steam generator; 81. a hose A; 82. a hose B; 83. and (4) a joint.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a water cooled machine shell leakproofness check out test set, combines accompanying drawing 1-figure 8, including box 11, be equipped with the ascending centre bore 12 of opening in the box 11, be equipped with the color development determine module in the centre bore 12, the color development determine module includes center pin 20, set up four lead screw grooves 21 that the circumference array was arranged on the outer disc of center pin 20, normal running fit is equipped with lead screw A22 between the both ends chamber wall of lead screw groove 21, the cover is equipped with four rings 23, four on the center pin 20 the ring 23 that goes up and down extends to four respectively lead screw inslot and with correspond lead screw A22 screw-thread fit.
Be connected with elastic metal piece 24 between two that are close to each other the lift ring 23, elastic metal piece 24 with center pin 20 arranges as central circumference array, elastic metal piece 24's dog-ear department is fixed to have seted up spacing hole 25, the upside spacing 25 intracavity fixations in the chamber wall of hole have downwardly extending's metal pole B32, the downside sliding fit is equipped with metal pole A31 in the spacing hole 25, metal pole A31 with connect with metal spring 33 between the metal pole B32, metal pole A31 downside end-to-end fixation has spacing metal ball 34, spacing metal ball 34 is located spacing hole 25 below.
An opening and closing cavity 16 is formed in the upper side of the central cavity 12, a moisture-proof component is arranged in the opening and closing cavity 16, and the moisture-proof component is used for preventing anhydrous copper sulfate powder from reacting with water in air to change color.
Advantageously, a storage cavity 13 is opened upwards at the periphery of the central cavity 12, and the storage cavity 13 is used for storing anhydrous copper sulfate powder.
Beneficially, the moisture-proof assembly comprises two opening and closing plates 60 symmetrically arranged on two sides of the central cavity 12, the opening and closing plates 60 are in sliding fit in the cavity walls of the opening and closing cavity 16, a magnet 61 is fixed on the end face, away from the central cavity 12, of one side of each opening and closing plate 60, and electromagnets 62 opposite to the magnet 61 are fixed in the cavity walls on two sides of the opening and closing cavity 16.
Advantageously, the surfaces of said metal rod a31, said metal rod B32 and said metal spring 33 are attached with non-drying glue for adhesion of copper sulfate powder.
Beneficially, an annular conductive plate a41 and an annular conductive plate B42 are mounted on the inner wall of the central cavity 12, and the annular conductive plate a41 and the annular conductive plate B42 both surround the color development detection assembly.
Beneficially, the central cavity 12 is communicated with the upper side of the storage cavity 13 and is provided with a clamping detection cavity 14 with an upward opening, a pneumatic clamp 70 is installed on the cavity wall on the side of the clamping detection cavity 14, and a clamping foam 71 is installed on a clamping plate of the pneumatic clamp 70 for buffering and protecting a motor shell.
Advantageously, a motor a29 is mounted at the bottom of the central shaft 20, a motor shaft of the motor a29 is fixed with the lower end of the screw rod a22, a motor B51 is mounted at the lower side of the central cavity 12, a motor shaft of the motor B51 is mounted with a screw rod B52 extending upwards, and the screw rod B52 extends upwards into the central shaft 20 and is in threaded fit with the central shaft 20.
Beneficially, install steam generator 80 in the box 11, hose A81, hose B82 are installed to the box 11 lateral wall, hose A81 one end with steam generator 80's exit linkage, hose B82 only plays airtight effect, hose A81 with hose B82 one end all installs joint 83, joint 83 can be connected with the water-cooling joint of waiting to detect the motor housing.
Advantageously, a control panel 77 is mounted on the outside of said box 11, and the operator operates said control panel 77 to control the operation of the various mechanisms inside the device.
Advantageously, the metal rod a31, the metal rod B32 and the metal spring 33 are made of copper, and are not corroded when in contact with copper sulfate powder for a long time, and corrosion-resistant oil is sprayed on the surfaces of the parts in the device to prevent corrosion caused by reaction with the copper sulfate powder.
The use method of the invention comprises the following steps:
in the initial state: the color development detection group is positioned in the central cavity 12, the storage cavity 13 is filled with anhydrous copper sulfate powder, the opening of the storage cavity 13 is covered by the opening plate 60 to enable the storage cavity 13 to be in a sealed state, the break angle of the elastic metal sheet 24 is in the largest angle, and the anhydrous copper sulfate powder is adhered to the adhesive sticker on the surfaces of the metal rod A31, the metal rod B32 and the metal spring 33.
When the device is used, a worker firstly prepares for operation through the starting device of the control panel 77, under the control of the control panel 77, the motor a29 drives the corresponding screw rod a22 to rotate, the screw rod a22 drives the corresponding lifting ring 23 to move along the central shaft 20, the lifting rings 23 on two sides of the same elastic metal sheet 24 are close to each other, under the extrusion of the lifting rings 23 on two sides, the folding angle of the elastic metal sheet 24 is reduced, the radius of a circle surrounded by the folding angles of all the elastic metal sheets 24 is increased, after the radius is larger than the inner circle diameter of the annular conductive plate a41 and the annular conductive plate B42, the lifting rings 23 on two sides of the same elastic metal sheet 24 are driven by the screw rod a22 to move together, so that the lower end of the metal rod a31 is in contact with the annular conductive plate a41, the upper end of the metal rod B32 is in contact with the annular conductive plate B42, after the motor a29 is turned off, the annular conductive plate a41 and the annular conductive plate B42 are electrically started together, after the metal rod a current is conducted, the metal rod a31, the metal rod B32 and the metal spring 33 generate heat, so that the copper sulfate powder adhered to be dehydrated into white, after the annular conductive plate a41 and the annular conductive plate a 42 are turned off, the radius of the inner circle of the circular conductive plate a 52 is smaller than the inner circle radius of the motor a 52.
The staff places the water-cooled machine shell that needs to detect in the centre gripping detects the chamber 14, and the pneumatic holder 70 is started through controlling control panel 77 simultaneously, and the water-cooled machine shell centre gripping is held to the grip block of pneumatic holder 70, because pneumatic holder 70 is arranged with central chamber 12 as the center circumference, the common start of pneumatic holder 70 will be from the centering, and the water-cooled machine shell is fixed in centre gripping detects the chamber 14 and with the coincidence of the centre of a circle of central chamber 12 by the centre gripping this moment.
The worker detects the position of the metal rod A31, the metal rod B32 and the metal spring 33 through the starting device of the control panel 77, the worker controls the metal rod A31, the metal rod B32 and the metal spring 33 to manually position the inner wall of the water-cooled motor shell through controlling the control panel 77, so that the metal rod A31 and the metal rod B32 are close to the inner wall of the motor shell to be detected, the crossing length of the metal rod A31 and the metal spring 33 is the same as the length of the motor shell, the metal rod A31 and the metal rod B32 are close to each other under the action of the lifting rings 23 on the two sides of the elastic metal sheet 24, the metal rod A31 and the metal rod B32 move outwards and are close to the inner wall of the motor shell, when the elastic metal sheets 24 on the two sides are far away, the metal rod A31 and the metal rod B32 pull the metal spring 33 in the middle to deform and elongate under the action of the lifting rings 23 on the two sides of the elastic metal sheet 24, so as to adapt to motors with different lengths, and when the positioning of the metal rod A31, the metal rod B32 and the metal spring 33 and the inner wall of the motor shell is completed, the color development detection component is closed.
The manual joint 83 that connects hose A81 and hose B82 is connected with the water-cooling articulate of water-cooled machine shell respectively and is fixed, start steam generator 80 through controlling panel 77, steam generator 80 vapor passes through export and inside hose A81 carries to the water-cooled machine water route, because one end is sealed up, when the damage appears in water-cooled machine shell inner wall and reveals, vapor will reveal and react with anhydrous copper sulfate powder on the color development determine module, make anhydrous copper sulfate turn blue, the staff can clearly and definitely observe the position and the size of revealing through observing the color development subassembly, it can to shift out the water-cooled machine shell that detects the completion afterwards, and reset to initial condition with each subassembly in the device.
In the whole detection process of the motor shell, the metal rod A31 and the metal rod B32 which are adhered with the copper sulfate powder cannot contact with the motor shell, so that the risk that the motor shell is corroded due to the fact that the copper sulfate powder falls off to the motor shell and meets water is avoided.
When a worker observes that copper sulfate powder adhered to a metal rod A31 and a metal rod B32 in the color development detection assembly falls off, the corresponding powder coating function is started through a control panel 77, a motor B51 starts forward rotation firstly to drive a screw rod B52 to rotate, a central shaft 20 moves upwards integrally under the action of the screw rod B52 until the color development detection assembly moves away from a central cavity 12 integrally, then the motor B51 is turned off, an electromagnet 62 is started, the electromagnet 62 generates a magnetic pole which is the same as that of one side opposite to the magnet 61, the magnet 61 drives two side opening plates 60 to separate from each other under the action of the attraction of the electromagnet 62, then a motor A29 drives a lifting ring 23 to move through a screw rod A22, the lifting rings 23 on two sides of the same elastic metal sheet 24 are close to each other, the angle of the elastic metal sheet 24 is reduced, so that the circular radius surrounded by the angle of the elastic metal sheet 24 can enter the storage cavity 13 exactly, then the upper elastic metal sheet 24 descends under the action of the lifting ring 23, the lower elastic metal sheet 24 moves to the lowest position, the metal rod A31, the metal rod B32 and the metal spring 33 passes through the metal ball 34 to enter the storage cavity 13 again, and the copper sulfate powder storage cavity 13 is recovered, and the copper sulfate powder is recovered to be recovered.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A central cavity with an upward opening is formed in the central cavity, a color development detection assembly is arranged in the central cavity and comprises a central shaft, four screw rod grooves which are arranged in a circumferential array are formed in the outer circular surface of the central shaft, screw rods A are arranged between the two end cavity walls of the screw rod grooves in a rotating fit mode, four lifting rings are sleeved on the central shaft, and the four lifting rings respectively extend into the four screw rod grooves and are in threaded fit with the corresponding screw rods A;
an elastic metal sheet is connected between two lifting rings which are close to each other, the elastic metal sheet is arranged in a circumferential array by taking the central shaft as a center, a limiting hole is fixedly formed in a folding angle of the elastic metal sheet, a metal rod B which extends downwards is fixedly arranged in the cavity wall of the limiting hole at the upper side, a metal rod A is arranged in the limiting hole at the lower side in a sliding fit manner, the metal rod A is connected with the metal rod B through a metal spring, a limiting metal ball is fixedly arranged at the tail end of the lower side of the metal rod A, and the limiting metal ball is positioned below the limiting hole;
the center chamber upside has seted up the chamber that opens and shuts, the intracavity that opens and shuts is equipped with dampproofing subassembly, dampproofing subassembly is used for avoiding anhydrous copper sulfate powder and the reaction of water in the air and discolour.
2. The water-cooled motor housing leakproofness detection equipment of claim 1, characterized in that: and a storage cavity is formed in the periphery of the central cavity upwards and is used for storing anhydrous copper sulfate powder.
3. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: dampproofing subassembly includes that two are located central cavity bilateral symmetry's open-close plate, open-close plate is in open-close intracavity wall sliding fit, open-close plate is kept away from a central cavity side end face is fixed with magnet, open-close intracavity both sides intracavity wall internal fixation have with the just right electro-magnet of magnet.
4. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: adhesive sticker is attached to the surfaces of the metal rod A, the metal rod B and the metal spring for adhering copper sulfate powder.
5. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: annular current conducting plate A, annular current conducting plate B are installed to central intracavity wall, annular current conducting plate A with annular current conducting plate B all encircles the color development detection subassembly.
6. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: the center cavity with the storage chamber upside intercommunication is equipped with the ascending centre gripping and detects the chamber, the centre gripping detects and installs pneumatic holder on the chamber side wall of chamber, install the cotton buffering protection motor housing of centre gripping bubble on the grip block of pneumatic holder.
7. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: the utility model discloses a lead screw, including center pin, motor A, lead screw A, center cavity, motor B, lead screw B, motor A's motor shaft with lead screw A's lower extreme is fixed, motor B is installed to the center cavity downside, install the lead screw B that upwards extends on motor B's the motor shaft, lead screw B upwards extend to inside the center pin and with center pin screw-thread fit.
8. The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: install steam generator in the box, hose A, hose B are installed to the box lateral wall, hose A one end with steam generator's exit linkage, hose B only plays airtight effect, hose A with hose B one end all installs the joint, the joint can with wait to detect the water-cooling articulate of motor housing.
9. The water-cooled motor housing leakproofness detection equipment of claim 1, characterized in that: the box outside is installed and is controlled the panel, and the staff is through the operation control the panel and be used for each mechanism operation in the controlling means.
The water-cooled motor housing leakproofness detection device of claim 1, characterized in that: the metal rod A, the metal rod B and the metal spring are all made of copper and cannot be corroded after being contacted with copper sulfate powder for a long time, and meanwhile, corrosion-resistant oil is sprayed on the surfaces of all parts in the device to prevent the parts from being corroded due to reaction with the copper sulfate powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211313057.8A CN115615622B (en) | 2022-10-25 | 2022-10-25 | Water-cooled motor shell tightness detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211313057.8A CN115615622B (en) | 2022-10-25 | 2022-10-25 | Water-cooled motor shell tightness detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115615622A true CN115615622A (en) | 2023-01-17 |
| CN115615622B CN115615622B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211313057.8A Active CN115615622B (en) | 2022-10-25 | 2022-10-25 | Water-cooled motor shell tightness detection equipment |
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| Country | Link |
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| CN (1) | CN115615622B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659764A (en) * | 2023-07-26 | 2023-08-29 | 山东省阳信根深电气有限公司 | Device and method for tightness test of distribution box |
| CN117387858A (en) * | 2023-12-11 | 2024-01-12 | 武汉东海石化重型装备有限公司 | Pressure vessel gas tightness check out test set |
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| WO2003056686A2 (en) * | 2001-12-21 | 2003-07-10 | Siemens Aktiengesellschaft | Method and device for detecting leakages in water-cooled electric machines |
| CN109974948A (en) * | 2019-04-23 | 2019-07-05 | 杭州铭铄机电科技有限公司 | It is a kind of for detecting the detection device of water-cooled motor shell leakproofness |
| CN110132501A (en) * | 2019-04-23 | 2019-08-16 | 杭州铭铄机电科技有限公司 | Shell detection device for water-cooled machine production |
| CN209593150U (en) * | 2019-05-09 | 2019-11-05 | 固安萨牌电器设备有限公司 | A kind of motor casing structure |
-
2022
- 2022-10-25 CN CN202211313057.8A patent/CN115615622B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003056686A2 (en) * | 2001-12-21 | 2003-07-10 | Siemens Aktiengesellschaft | Method and device for detecting leakages in water-cooled electric machines |
| CN109974948A (en) * | 2019-04-23 | 2019-07-05 | 杭州铭铄机电科技有限公司 | It is a kind of for detecting the detection device of water-cooled motor shell leakproofness |
| CN110132501A (en) * | 2019-04-23 | 2019-08-16 | 杭州铭铄机电科技有限公司 | Shell detection device for water-cooled machine production |
| CN209593150U (en) * | 2019-05-09 | 2019-11-05 | 固安萨牌电器设备有限公司 | A kind of motor casing structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659764A (en) * | 2023-07-26 | 2023-08-29 | 山东省阳信根深电气有限公司 | Device and method for tightness test of distribution box |
| CN116659764B (en) * | 2023-07-26 | 2023-10-20 | 山东省阳信根深电气有限公司 | Device and method for tightness test of distribution box |
| CN117387858A (en) * | 2023-12-11 | 2024-01-12 | 武汉东海石化重型装备有限公司 | Pressure vessel gas tightness check out test set |
| CN117387858B (en) * | 2023-12-11 | 2024-02-09 | 武汉东海石化重型装备有限公司 | Pressure vessel gas tightness check out test set |
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| Publication number | Publication date |
|---|---|
| CN115615622B (en) | 2023-05-09 |
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