CN221725482U - Water testing machine for airtight detection of vehicle shock absorber shell - Google Patents
Water testing machine for airtight detection of vehicle shock absorber shell Download PDFInfo
- Publication number
- CN221725482U CN221725482U CN202420211118.8U CN202420211118U CN221725482U CN 221725482 U CN221725482 U CN 221725482U CN 202420211118 U CN202420211118 U CN 202420211118U CN 221725482 U CN221725482 U CN 221725482U
- Authority
- CN
- China
- Prior art keywords
- air outlet
- lifting
- water
- outlet pipe
- shock absorber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
本实用新型公开了一种用于车辆减震器壳体气密检测的试水机，涉及车辆减震器检测的技术领域。所述试水机包括主体、蓄水槽、夹持组件和检测组件，蓄水槽设置在主体上，蓄水槽内用于存储水，夹持组件可升降地设置在蓄水槽的上方，夹持组件用于夹持待测件，检测组件包括增压机构、出气管和密封圈，出气管连通在增压机构上，密封圈套设在出气管的管口处，出气管的管口适于插入待测件的开口内，密封圈适于密封出气管与待测件的开口之间的缝隙。本实用新型的试水机通过夹持组件可以夹持结构和形状复杂的待测件，通过出气管的设计，可以将出气管插入到待测件的任意处的开口位置，可以针对不同形状的待测件进行气密性检测。
The utility model discloses a water testing machine for air tightness detection of vehicle shock absorber housing, and relates to the technical field of vehicle shock absorber detection. The water testing machine includes a main body, a water storage tank, a clamping assembly and a detection assembly. The water storage tank is arranged on the main body, and the water storage tank is used to store water. The clamping assembly can be raised and lowered above the water storage tank. The clamping assembly is used to clamp the test piece. The detection assembly includes a boosting mechanism, an air outlet pipe and a sealing ring. The air outlet pipe is connected to the boosting mechanism, and the sealing ring is sleeved at the pipe mouth of the air outlet pipe. The pipe mouth of the air outlet pipe is suitable for inserting into the opening of the test piece, and the sealing ring is suitable for sealing the gap between the air outlet pipe and the opening of the test piece. The water testing machine of the utility model can clamp the test piece with complex structure and shape through the clamping assembly. Through the design of the air outlet pipe, the air outlet pipe can be inserted into any opening position of the test piece, and the air tightness detection can be performed on the test piece of different shapes.
Description
Technical Field
The utility model relates to the technical field of vehicle shock absorber detection, in particular to a water testing machine for air tightness detection of a vehicle shock absorber shell.
Background
In the related art, an existing inspection apparatus can only inspect a housing of a vehicle damper having a simple structure and a single shape for an airtight inspection test of a housing of a vehicle damper, but has poor inspection capability and inspection accuracy for a housing having a complex structure and shape.
Disclosure of utility model
The utility model aims to provide a water testing machine for airtight detection of a vehicle shock absorber shell, which is used for solving the problem that the existing equipment cannot accurately detect the shell with complex structure and shape.
To this end, an embodiment of the present utility model proposes a water tester for airtight detection of a housing of a shock absorber for a vehicle.
The water testing machine according to the embodiment of the utility model comprises: a main body; the water storage tank is arranged on the main body and is used for storing water; the clamping assembly is arranged above the water storage groove in a lifting manner and used for clamping the piece to be tested; the detecting assembly comprises a pressurizing mechanism, an air outlet pipe and a sealing ring, wherein the air outlet pipe is communicated with the pressurizing mechanism, the sealing ring is sleeved at the pipe orifice of the air outlet pipe, the pipe orifice of the air outlet pipe is suitable for being inserted into an opening of a piece to be detected, and the sealing ring is suitable for sealing a gap between the air outlet pipe and the opening of the piece to be detected.
According to the water testing machine, the clamping assembly can clamp the to-be-tested piece with a complex structure and shape, and the air outlet pipe can be inserted into the opening position of any position of the to-be-tested piece through the design of the air outlet pipe, so that the air tightness of the to-be-tested piece with different shapes can be detected.
In some embodiments, the detection assembly further comprises a linear actuator disposed on the clamping assembly, and the outlet tube is connected to the linear actuator.
In some embodiments, the air outlet pipe and the sealing ring are multiple, the sealing ring and the air outlet pipe are arranged in a one-to-one correspondence, and the air outlet pipe is suitable for being inserted into the openings of the to-be-tested piece.
In some embodiments, the water dispenser further comprises a lifting assembly comprising a base plate and a lifting member; the bottom plate is arranged on the main body, and at least part of the bottom plate is positioned above the water storage groove; the lifting piece is slidably arranged on the bottom plate, and the clamping assembly is arranged on the lifting piece.
In some embodiments, the lift assembly further comprises a lift rail disposed on the base plate, the lift member disposed on the lift rail.
In some embodiments, the lifting assembly further comprises a lifting cylinder disposed on the base plate, the lifting cylinder being coupled to the lifting member to drive the lifting member to move on the lifting track.
In some embodiments, the water testing machine further comprises a gas storage tank, wherein the gas storage tank is connected with the pressurizing mechanism, and the gas storage tank is suitable for storing compressed gas.
In some embodiments, the bottom of the reservoir is a sloped structure.
In some embodiments, the water testing machine further comprises an operation instrument and a controller, one side of the controller is electrically connected with the operation instrument, and the other side of the controller is electrically connected with the clamping assembly and the detection assembly.
In some embodiments, the water testing machine further comprises a timer, wherein the timer is electrically connected with the detection assembly and is used for recording the working time of the detection assembly.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a water testing machine according to an embodiment of the present utility model.
Fig. 2 is a front view of a water machine according to an embodiment of the present utility model.
Fig. 3 is a schematic perspective view of a lifting assembly in a water tester according to an embodiment of the present utility model.
Fig. 4 is a schematic perspective view of a water reservoir in a water testing machine according to an embodiment of the present utility model.
Fig. 5 is a top view of a water reservoir in a water testing machine according to an embodiment of the present utility model.
Fig. 6 is a schematic perspective view of a clamping assembly in a water testing machine according to an embodiment of the present utility model.
FIG. 7 is a top view of a clamping assembly in a water machine according to an embodiment of the present utility model.
FIG. 8 is a schematic diagram of a test piece held by a water tester according to an embodiment of the present utility model.
Reference numerals:
The water tester 100, the main body 101, the water storage tank 102, the air storage tank 103 and the operation instrument 104.
The device comprises a clamping assembly 10, a detection assembly 20, a pressurizing mechanism 21, an air outlet pipe 22, a sealing ring 23, a linear driver 24, a lifting assembly 30, a bottom plate 31, a lifting piece 32 and a lifting track 33.
The part 200 to be tested.
Detailed Description
The technical solution of the present utility model will be clearly and completely described in conjunction with the specific embodiments, but it should be understood by those skilled in the art that the embodiments described below are only for illustrating the present utility model and should not be construed as limiting the scope of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.
As shown in fig. 1 to 8, a water testing machine 100 according to an embodiment of the present utility model includes a main body 101, a water storage tank 102, a clamping assembly 10, and a detection assembly 20.
Specifically, as shown in fig. 1-2, the main body 101 is generally a frame structure, and the main body 101 is composed of three parts, specifically, a bottom, a side, and a top.
A water reservoir 102 is provided on the main body 101, and water is stored in the water reservoir 102.
Specifically, as shown in fig. 1 to 2, the water reservoir 102 has a substantially square groove structure, and the water reservoir 102 is provided at the bottom of the main body 101.
The clamping assembly 10 is arranged above the water storage tank 102 in a lifting manner, and the clamping assembly 10 is used for clamping the to-be-tested piece 200.
It will be appreciated that the clamp assembly 10 may be provided on the side or top of the body 101, whereby an operator may operate and observe the clamp assembly 10 through the front opening of the body 101, which is advantageous for improving the stability and accuracy of the air-tight detection of the vehicle shock absorber housing.
The detection assembly 20 comprises a pressurizing mechanism 21, an air outlet pipe 22 and a sealing ring 23, wherein the air outlet pipe 22 is communicated with the pressurizing mechanism 21, the sealing ring 23 is sleeved at the pipe orifice of the air outlet pipe 22, the pipe orifice of the air outlet pipe 22 is suitable for being inserted into the opening of the piece 200 to be detected, and the sealing ring 23 is suitable for sealing a gap between the air outlet pipe 22 and the opening of the piece 200 to be detected.
It will be appreciated that the pressurizing mechanism 21 includes, but is not limited to, an air compressor or an air pump, and the pressurizing mechanism 21 is configured to provide high-pressure air stored in the air tank 103, so that the air in the air outlet pipe 22 can quickly enter the interior of the workpiece 200 when the device is started, which is beneficial to improving the test speed and efficiency.
The supercharging mechanism 21 comprises a primary supercharger and a secondary supercharger, and the two superchargers are connected in series, so that the supercharging effect is further improved.
Further, the sealing ring 23 is sleeved at the pipe orifice of the air outlet pipe 22, wherein the peripheral outline of the pipe orifice of the air outlet pipe 22 is designed into a conical shape or a truncated cone shape, so that the pipe orifice of the air outlet pipe 22 can be better inserted into the opening of the to-be-tested piece 200.
Meanwhile, the peripheral outline of the pipe orifice of the air outlet pipe 22 is designed into a conical shape or a truncated cone shape, so that the sealing ring 23 is beneficial to better sealing the gap between the air outlet pipe 22 and the opening of the piece 200 to be tested.
According to the water testing machine 100 of the utility model, the clamping assembly 10 can clamp the to-be-tested piece 200 with complex structure and shape, and the air outlet pipe 22 can be inserted into the opening position of any position of the to-be-tested piece 200 through the design of the air outlet pipe 22, so that the air tightness of the to-be-tested piece 200 with different shapes can be detected.
In some embodiments, as shown in FIG. 1, the detection assembly 20 further includes a linear actuator 24, the linear actuator 24 being disposed on the clamping assembly 10, and the outlet tube 22 being connected to the linear actuator 24.
It will be appreciated that a linear actuator 24 is provided on one end of the clamping assembly 10, the linear actuator 24 being located in front of the opening of the part 200 to be tested, the linear actuator 24 being adapted to drive the orifice of the outlet tube 22 towards the opening of the part 200 to be tested.
In particular embodiments of the present utility model, the linear actuator 24 includes, but is not limited to, a pneumatic cylinder, an electric cylinder, and an electric push rod.
In some embodiments, the air outlet tube 22 and the sealing ring 23 are plural, the plural sealing rings 23 and the plural air outlet tubes 22 are disposed in one-to-one correspondence, and the plural air outlet tubes 22 are adapted to be inserted into the plural openings of the workpiece 200.
Specifically, as shown in fig. 4 to 8, the specific number of the air outlet pipe 22 and the seal ring 23 is designed according to the number of the openings on the member 200 to be measured.
Still further, in the present utility model, the number of the linear drivers 24 may be designed to be one, that is, the linear drivers 24 are connected to only one outlet pipe 22, and the remaining outlet pipes 22 may be installed in the remaining openings of the test piece 200. Finally, the linear driver 24 drives the last air outlet pipe 22 to be inserted into the last opening of the to-be-tested piece 200.
In some embodiments, as shown in FIG. 3, the water machine 100 further includes a lift assembly 30, the lift assembly 30 including a floor 31 and a lift 32; the bottom plate 31 is disposed on the main body 101, and at least part of the bottom plate 31 is located above the water storage tank 102; the lifter 32 is slidably disposed on the base plate 31, and the clamping assembly 10 is disposed on the lifter 32.
Specifically, as shown in fig. 3, the elevating assembly 30 includes a base plate 31 and an elevating member 32. The bottom plate 31 is a substantially square plate structure, and the bottom plate 31 is vertically disposed on the main body 101, that is, the bottom plate 31 is horizontally disposed with the side wall of the water storage tank 102.
The upper half of the bottom plate 31 is located above the water reservoir 102 in vertical height, and the lifter 32 is slidably provided at the upper half of the bottom plate 31.
It should be noted that, the bottom plate 31 may be provided with a sliding groove or a sliding rail, so that the lifting member 32 may be slidably disposed on the upper half of the bottom plate 31.
The clamping assembly 10 is fixed on the lifting member 32, and the clamping assembly 10 clamps the member 200 to be tested, so that the lifting function of the member 200 to be tested is realized.
In some embodiments, as shown in fig. 3, the lift assembly 30 further includes a lift rail 33, the lift rail 33 is disposed on the base plate 31, and the lift member 32 is disposed on the lift rail 33.
Specifically, as shown in fig. 3, the lifting rail 33 has a U-shaped appearance, one side of the lifting rail 33 is fixed on the bottom plate 31, the other side of the lifting rail 33 is suspended above the water storage tank 102 by the design of the U-shaped structure, and the lifting member 32 is disposed on the other side of the lifting rail 33. Thus, the convenience of the to-be-measured piece 200 entering the water storage groove 102 is improved.
In some embodiments, the lifting assembly 30 further includes an air cylinder disposed on the base plate 31 and coupled to the lifting member 32 to drive the lifting member 32 to move on the lifting rail 33, and a linear slider (not shown).
It will be appreciated that a through slot may be formed in the middle position of the bottom plate 31, and the cylinder, the linear slider and the lifter 32 are disposed on two opposite sides of the bottom plate 31, and the cylinder may be connected to the linear slider and the lifter 32 through the through slot, thereby improving convenience of the cylinder in the driving process.
In some embodiments, as shown in fig. 2-3, the water test machine 100 further includes a gas tank 103, where the gas tank 103 is connected to the pressurizing mechanism 21, and the gas tank 103 is adapted to store a compressed gas.
In some embodiments, as shown in fig. 4, the bottom of reservoir 102 is an inclined structure.
It will be appreciated that reservoir 102 of the present utility model is primarily used to perform an air-tight test on test piece 200. As can be seen from fig. 8, the test piece 200 has 2 openings, wherein 1 opening is designed at one end of the test piece 200, and another opening is designed at the other end of the test piece 200. By designing the bottom of the reservoir 102 to be of an inclined configuration, it is advantageous to accommodate the specific configuration of the member under test 200 so that one end of the member under test 200 can be better submerged in water.
In some embodiments, as shown in fig. 1-2, the water machine 100 further includes an operation meter 104 and a controller (not shown), one side of the controller is electrically connected to the operation meter 104, and the other side of the controller is electrically connected to the clamp assembly 10 and the detection assembly 20.
It will be appreciated that the operating meter 104 is used to turn on and control the operation of the water machine 100.
In some embodiments, the water dispenser 100 further includes a timer (not shown) electrically coupled to the detection assembly 20 for recording the duration of operation of the detection assembly 20.
It will be appreciated that the timer is mainly used to record the running time of the air pressure supplied to the part to be tested, so as to prevent the safety problem of the part to be tested 200.
One specific implementation of the water dispenser 100 according to the embodiment of the present utility model is as follows:
the main power supply of the water testing machine 100 is turned on, the lifting assembly 30 is manually reset to the original point, and the manual operation is turned off to be automatically controlled.
The test piece 200 is placed in the clamping assembly 10, and the water tester 100 is started. The sensing assembly 20 is operated such that the air outlet tube 22 is inserted into the opening of the part 200 to be tested.
The lifting assembly 30 is integrally lowered, so that the to-be-measured piece 200 is immersed in the water storage tank 102, the air storage tank 103 is opened, and air is introduced into the to-be-measured piece 200.
The gas is injected into the member 200 to be tested for 8 seconds, along with the continuous increase of pressure, the sealing ring 23 of the gas outlet pipe 22 rapidly blocks the pipe orifice, if water outside the leaked condition has bubbles, the equipment alarms, and when the leakage does not exist, the test is finished after the time reaches 8 seconds, all the components are reset in sequence, and the member 200 to be tested is taken out.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A water testing machine for airtight detection of vehicle shock absorber casing, characterized by comprising:
a main body;
The water storage tank is arranged on the main body and is used for storing water;
The clamping assembly is arranged above the water storage groove in a lifting manner and used for clamping the piece to be tested;
The detecting assembly comprises a pressurizing mechanism, an air outlet pipe and a sealing ring, wherein the air outlet pipe is communicated with the pressurizing mechanism, the sealing ring is sleeved at the pipe orifice of the air outlet pipe, the pipe orifice of the air outlet pipe is suitable for being inserted into an opening of a piece to be detected, and the sealing ring is suitable for sealing a gap between the air outlet pipe and the opening of the piece to be detected.
2. The water tester for air tightness detection of a shock absorber housing for a vehicle according to claim 1,
The detection assembly further comprises a linear driver, the linear driver is arranged on the clamping assembly, and the air outlet pipe is connected with the linear driver.
3. The water tester for air tightness detection of a shock absorber housing for a vehicle according to claim 1,
The air outlet pipes are multiple in number, the multiple air outlet pipes are arranged in one-to-one correspondence with the multiple sealing rings, and the multiple air outlet pipes are suitable for being inserted into the multiple openings of the piece to be tested.
4. The water testing machine for airtight detection of a vehicle shock absorber housing according to claim 1, further comprising:
The lifting assembly comprises a bottom plate and a lifting piece;
The bottom plate is arranged on the main body, and at least part of the bottom plate is positioned above the water storage groove;
the lifting piece is slidably arranged on the bottom plate, and the clamping assembly is arranged on the lifting piece.
5. The water testing machine for air tightness detection of a shock absorber housing for a vehicle according to claim 4, wherein,
The lifting assembly further comprises a lifting rail, the lifting rail is arranged on the bottom plate, and the lifting piece is arranged on the lifting rail.
6. The water testing machine for air tightness detection of a shock absorber housing for a vehicle according to claim 5, wherein,
The lifting assembly further comprises a lifting air cylinder, the lifting air cylinder is arranged on the bottom plate and connected with the lifting piece to drive the lifting piece to move on the lifting track.
7. The water testing machine for airtight detection of a vehicle shock absorber housing according to claim 1, further comprising:
The gas storage tank is connected with the pressurizing mechanism, and the gas storage tank is suitable for storing the compressed gas.
8. The water tester for air tightness detection of a shock absorber housing for a vehicle according to claim 1,
The bottom of the water storage tank is of an inclined structure.
9. The water testing machine for airtight detection of a vehicle shock absorber housing according to claim 1, further comprising:
operating the instrument;
and one side of the controller is electrically connected with the operation instrument, and the other side of the controller is electrically connected with the clamping assembly and the detection assembly.
10. The water testing machine for airtight detection of a vehicle shock absorber housing according to claim 9, further comprising:
the timer is electrically connected with the detection assembly and is used for recording the working time of the detection assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420211118.8U CN221725482U (en) | 2024-01-29 | 2024-01-29 | Water testing machine for airtight detection of vehicle shock absorber shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420211118.8U CN221725482U (en) | 2024-01-29 | 2024-01-29 | Water testing machine for airtight detection of vehicle shock absorber shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221725482U true CN221725482U (en) | 2024-09-17 |
Family
ID=92681301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420211118.8U Active CN221725482U (en) | 2024-01-29 | 2024-01-29 | Water testing machine for airtight detection of vehicle shock absorber shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221725482U (en) |
-
2024
- 2024-01-29 CN CN202420211118.8U patent/CN221725482U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205940892U (en) | Combination workstation foundry goods gas tightness check out test set | |
| CN117268658A (en) | Gasbag gas tightness detection device | |
| CN117782833A (en) | Comprehensive detection tool device for automobile parts | |
| CN117782461A (en) | Tool test stand for airtight battery tray assembly | |
| CN221725482U (en) | Water testing machine for airtight detection of vehicle shock absorber shell | |
| CN219996459U (en) | Air tightness testing device | |
| CN110006606B (en) | Automatic pipeline air tightness detection test bed and working method thereof | |
| CN207423457U (en) | A kind of hydraulic jack air-tightness detection device | |
| CN219694441U (en) | Sealing detection device | |
| CN208653734U (en) | A kind of airtightness test table of workpiece | |
| CN208187648U (en) | A kind of oil pump sealing propertytest tooling | |
| CN213068106U (en) | Filter assembly test bench | |
| CN221224129U (en) | Gasbag gas tightness detection device | |
| CN214748704U (en) | Nozzle leakproofness check out test set | |
| CN212158968U (en) | A medical gas terminal leak detection automatic control device | |
| CN210347010U (en) | Multi-channel air tightness detection device | |
| CN112229581B (en) | Filter assembly test bench | |
| CN210719307U (en) | Gas quantity detector for alkaline cell | |
| CN110487348B (en) | Gas amount detecting device for alkaline battery | |
| CN222561227U (en) | Airtight detection device of storage battery car motor end cover | |
| CN219798626U (en) | Engine end cover air tightness detection device | |
| CN213336676U (en) | Dual-purpose oil cooler gas tightness detection test bench | |
| CN219657109U (en) | Air tightness detection device | |
| CN219573375U (en) | Air tightness testing device of ceramic cylinder for aero-engine | |
| CN221173778U (en) | Engine piston seal detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |