CN106404294B - Engine cooling apparatus tests plugging device - Google Patents
Engine cooling apparatus tests plugging device Download PDFInfo
- Publication number
- CN106404294B CN106404294B CN201610964974.0A CN201610964974A CN106404294B CN 106404294 B CN106404294 B CN 106404294B CN 201610964974 A CN201610964974 A CN 201610964974A CN 106404294 B CN106404294 B CN 106404294B
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- CN
- China
- Prior art keywords
- cooling apparatus
- engine cooling
- water pipe
- fixedly connected
- block
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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
- G01M3/022—Test plugs for closing off the end of a pipe
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
Present invention discloses a kind of engine cooling apparatus to test plugging device, it is detected for realizing the air-tightness to engine cooling apparatus internal duct, water pipe is fixedly connected on the engine cooling apparatus, the present invention includes equipment supporter, it further include the positioning mechanism being set on the equipment supporter, for being pre-positioned to the water pipe, and the plugging mechanism for being set on the positioning mechanism, being blocked for the port position to the water pipe, the positioning mechanism match the test completed to the water pipe with the plugging mechanism and block.The present invention has been completed quickly and effectively the centering positioning to engine cooling apparatus water pipe by way of floating and holding out against, and protects the structure and shape of engine cooling apparatus water pipe.Meanwhile the block head in the present invention has certain adaptive adjustment function, can complete the closure of the tube body port organization to various different gradients, improve the effect of plugging operations, expand the scope of application of the invention.
Description
Technical field
The present invention relates to a kind of tests to block tooling, more particularly to a kind of in engine cooling apparatus processing, detection process
The test plugging device used, belongs to field of machinery automation.
Background technique
In recent years, with the continuous improvement of China's industrialization degree, do mechanization operation becomes industrial one and becomes greatly
Gesture.In current industrial production, particularly in product processing relevant to auto industry, needed mostly using mechanization
Mode carry out operation.
Due to inevitably needing to carry out positioning clamp operation in the processing of product, detection process, at present absolutely
Most of processing enterprise is equipped with the positioning device of automation to meet corresponding operation demand, but existing all kinds of positioning
All there is many shortcomings for clamping device.
By taking the process of the engine cooling apparatus arrived used in auto industry as an example, all connected on engine cooling apparatus
There are more root canal roads, engine cooling apparatus is by these pipelines and in-engine other component piping connection.Since engine is cold
But the effect of device is more special, therefore before its installation, and processing enterprise needs the air-tightness for its internal duct to be detected,
And when carrying out pipeline detection, it is necessary to carry out closure processing to part pipeline therein.
In detection operation common at present, particularly in the operating process blocked to engine cooling apparatus water pipe, to pipe
The closure on road using the mode directly blocked, blocks cylinder and directly acts on tracheae mostly, complete by the rigidity of pipeline
The closure of pairs of nozzle position.In general, because the production tolerance of water pipe connected on engine cooling apparatus is larger, thus into
It requires to be pre-positioned pipeline before row plugging operations, but since the curved shape of water pipe is more special, carry out in advance
When positioning, it is difficult to realize the accurate positioning to pipeline.So, can not only make subsequent closure test operation be difficult into
Row, and the plugging operations effect to water pipe port position can be seriously affected.
In conclusion pipeline positioning can be completed quickly and effectively while guarantee that follow-up test blocks by how providing one kind
The engine cooling apparatus of effect tests plugging device, just becomes those skilled in the art's urgent problem to be solved.
Summary of the invention
In view of the prior art, there are drawbacks described above, and the purpose of the present invention is to propose to one kind in engine cooling apparatus processing, inspection
Engine cooling apparatus used in survey process tests plugging device.
The purpose of the present invention will be realized through the following technical scheme:
A kind of engine cooling apparatus tests plugging device, for realizing the air-tightness to engine cooling apparatus internal duct into
Row detects, and water pipe is fixedly connected on the engine cooling apparatus, the engine cooling apparatus test plugging device includes equipment
Bracket further includes the positioning mechanism being set on the equipment supporter, for being pre-positioned to the water pipe, and is set to
The plugging mechanism blocked on the positioning mechanism, for the port position to the water pipe, the positioning mechanism with it is described
Plugging mechanism matches the test completed to the water pipe and blocks.
Preferably, the positioning mechanism includes pusher cylinder and the guide pad that is driven by the pusher cylinder, described to lead
The locating slot for assisting completing the water pipe pre-determined bit is offered on block and the side wall of water pipe contact side.
Preferably, the shape of the locating slot is wedge shape, triangle or arc.
Preferably, the positioning mechanism further includes for providing the guiding group of guiding for the movement travel of the pusher cylinder
Part, the guidance set include fixed plate and the first connecting plate, and the cylinder part of the pusher cylinder is fixed with the fixed plate
Connection, the cylinder axis of the pusher cylinder are pierced by the fixed plate and are fixedly connected with first connecting plate；
It is also fixedly connected with more guide rods on first connecting plate, is offered in the fixed plate and the guide rod
The pilot hole to match, the guide rod are movably arranged in the pilot hole.
Preferably, the positioning mechanism further includes the adjusting component being adjusted for the position to the guide pad, institute
Stating and adjusting component includes that sliding rail and mobile sliding block, the sliding rail are fixedly connected with first connecting plate, the mobile sliding block and
The guide pad is connected, and the mobile sliding block is movably disposed on the sliding rail, and the also fixation of the both ends of the sliding rail is set
It is equipped with the limit base for limiting the mobile sliding block sliding stroke.
Preferably, the plugging mechanism includes sealing cylinder and the block head that is driven by the sealing cylinder, described close
It seals cylinder and the block head and realizes connection by the second connecting plate, the cylinder part of the sealing cylinder is fixedly installed on described
The upper surface of guide pad, the cylinder axis of the sealing cylinder are fixedly connected with second connecting plate, the shape of the block head
And specification matches with the shape of the water pipe port position and specification.
It preferably, further include the universal adjustment component adaptively finely tuned during testing and blocking for realizing device, institute
It states mobile sliding block and is fixedly connected by the universal adjustment component with the guide pad, the block head is by the universal adjustment
Component is fixedly connected with second connecting plate.
Preferably, the connection that the universal adjustment component includes universal joint and matches with the universal joint
Block, the movable end of the universal joint are movably embedded in the link block, the universal joint and the connection
Block matches the adaptive fine tuning of the connection for completing other component and device during testing closure.
Preferably, the universal adjustment component includes more springs, and the mobile sliding block is led by the spring with described
It is fixedly connected to block, the block head is fixedly connected by the spring with second connecting plate, and the spring is distributed in two
In a link position between connecting component.
A kind of engine cooling apparatus tests plugging device, for realizing the air-tightness to engine cooling apparatus internal duct into
Row detects, and water pipe is fixedly connected on the engine cooling apparatus, the engine cooling apparatus test plugging device includes equipment
Bracket further includes the positioning mechanism being set on the equipment supporter, for being pre-positioned to the water pipe, and is set to
The plugging mechanism blocked on the positioning mechanism, for the port position to the water pipe, the positioning mechanism with it is described
Plugging mechanism matches the test completed to the water pipe and blocks；
The positioning mechanism includes pusher cylinder and the guide pad that is driven by the pusher cylinder, the guide pad and institute
State the locating slot offered on the side wall of water pipe contact side for assisting completing the water pipe pre-determined bit；
The shape of the locating slot is wedge shape, triangle or arc；
The positioning mechanism further include for providing the guidance set of guiding for the movement travel of the pusher cylinder, it is described
Guidance set includes fixed plate and the first connecting plate, and the cylinder part of the pusher cylinder is fixedly connected with the fixed plate, institute
The cylinder axis for stating pusher cylinder is pierced by the fixed plate and is fixedly connected with first connecting plate；
It is also fixedly connected with more guide rods on first connecting plate, is offered in the fixed plate and the guide rod
The pilot hole to match, the guide rod are movably arranged in the pilot hole；
The positioning mechanism further includes the adjusting component being adjusted for the position to the guide pad, the adjusting group
Part includes that sliding rail and mobile sliding block, the sliding rail are fixedly connected with first connecting plate, the mobile sliding block and the guiding
Block is connected, and the mobile sliding block is movably disposed on the sliding rail, and the both ends of the sliding rail, which are further fixedly arranged on, to be used for
Limit the limit base of the mobile sliding block sliding stroke；
The plugging mechanism includes sealing cylinder and the block head that is driven by the sealing cylinder, the sealing cylinder with
The block head realizes by the second connecting plate and connects that the cylinder part of the sealing cylinder is fixedly installed on the guide pad
Upper surface, the cylinder axis of the sealing cylinder are fixedly connected with second connecting plate, and the shape and specification of the block head are equal
Match with the shape and specification of the water pipe port position；
It further include the universal adjustment component adaptively finely tuned during testing and blocking for realizing device, it is described mobile sliding
Block is fixedly connected by the universal adjustment component with the guide pad, and the block head is by the universal adjustment component and institute
The second connecting plate is stated to be fixedly connected；
The link block that the universal adjustment component includes universal joint and matches with the universal joint, it is described
The movable end of universal joint is movably embedded in the link block, and the universal joint is matched with the link block
Complete the adaptive fine tuning of the connection and device of other component during testing closure；
The universal adjustment component includes more springs, and the mobile sliding block is fixed by the spring and the guide pad
Connection, the block head are fixedly connected by the spring with second connecting plate, and the spring is distributed in two wait connect
In link position between component.
Protrusion effect of the invention are as follows: the present invention has been completed quickly and effectively cold to engine by way of floating and holding out against
But the centering positioning of device water pipe, to greatest extent on protect the structure and shape of engine cooling apparatus water pipe, avoid closure behaviour
Make the influence to product quality, ensure that the yields of converted products, improve the production efficiency of processing enterprise.Meanwhile this hair
Block head in bright has certain adaptive adjustment function, can complete to the tube body port organization of various different gradients
It blocks, not only improves the effect of plugging operations, but also expand the scope of application of the invention on to greatest extent.In addition, this
Inventive structure is clear, mechanical relation is excellent, and each processing enterprise can be obtained by the assembling and transformation to existing equipment, assembly
It is at low cost, it is suitble to large-scale promotion to use.
In conclusion structure of the invention is reasonable, is easily obtained, and can be abundant while effectively completing test and blocking
Pipeline structure is protected on ground, has very high use and promotional value.
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Wherein: 1, pusher cylinder；2, guide pad；21, locating slot；3, fixed plate；31, pilot hole；4, the first connecting plate；
41, guide rod；5, sliding rail；51, limit base；6, mobile sliding block；7, sealing cylinder；8, block head；9, the second connecting plate；10, bullet
Spring.
Specific embodiment
The engine cooling apparatus test envelope used in engine cooling apparatus processing, detection process that present invention discloses one kind
Block apparatus.
It should be strongly noted that in the present invention, in the absence of explanation to the contrary, " upper and lower, left and right, it is interior,
The noun of locality be included in the term outside " etc. only represents orientation of the term under normal service condition, or is those skilled in the art
What member understood is commonly called as, and should not be seen as a limitation of this term.
A kind of engine cooling apparatus tests plugging device, for realizing the air-tightness to engine cooling apparatus internal duct into
Row detects, and water pipe is fixedly connected on the engine cooling apparatus, the engine cooling apparatus test plugging device includes equipment
Bracket (not shown) further includes the localization machine being set on the equipment supporter, for being pre-positioned to the water pipe
Structure, and the plugging mechanism for being set on the positioning mechanism, being blocked for the port position to the water pipe, it is described fixed
Position mechanism matches the test completed to the water pipe with the plugging mechanism and blocks.
The positioning mechanism includes pusher cylinder 1 and the guide pad 2 that is driven by the pusher cylinder 1, the guide pad 2
The locating slot 21 offered on the side wall of side for assisting completing the water pipe pre-determined bit is contacted with the water pipe.
The shape of the locating slot 21 is wedge shape, triangle or arc.In the present embodiment, the shape of the locating slot 21
Preferably processing request is lower, locating effect is preferably wedge-shaped.
The positioning mechanism further includes for providing the guidance set of guiding, institute for the movement travel of the pusher cylinder 1
Stating guidance set includes fixed plate 3 and the first connecting plate 4, and the cylinder part of the pusher cylinder 1 and the fixed plate 3, which are fixed, to be connected
It connects, the cylinder axis of the pusher cylinder 1 is pierced by the fixed plate 3 and is fixedly connected with first connecting plate 4.
It is also fixedly connected with more guide rods 41 on first connecting plate 4, offers in the fixed plate 3 and is led with described
The pilot hole 31 to match to bar 41, the guide rod 41 are movably arranged in the pilot hole 31.
In order to guarantee guide effect, in the present embodiment, the guide rod 41 is provided with two, and two guiding altogether
Bar 41 is symmetrical arranged, and the pilot hole 31 is symmetrically opened in the fixed plate 3, two side positions of the pusher cylinder 1, institute
It states guide rod 41 to be arranged in the pilot hole 31, to effectively complete the guiding to 1 movement travel of pusher cylinder.
The positioning mechanism further includes the adjusting component being adjusted for the position to the guide pad 2, the adjusting
Component includes that sliding rail 5 and mobile sliding block 6, the sliding rail 5 are fixedly connected with first connecting plate 4, the mobile sliding block 6 and institute
It states guide pad 2 to be connected, the mobile sliding block 6 is movably disposed on the sliding rail 5, and the both ends of the sliding rail 5 are also fixed
It is provided with the limit base 51 for limiting 6 sliding stroke of mobile sliding block.
The plugging mechanism includes sealing cylinder 7 and the block head 8 that is driven by the sealing cylinder 7, the blanket gas
Cylinder 7 and the block head 8 are realized by the second connecting plate 9 to be connected, and the cylinder part of the sealing cylinder 7 is fixedly installed on described
The upper surface of guide pad 2, the cylinder axis of the sealing cylinder 7 are fixedly connected with second connecting plate, the shape of the block head 8
Shape and specification match with the shape of the water pipe port position and specification.
In the present embodiment, the guide pad 2 and the block head 8 are all made of PU polyurethanes material and are made, this
The material selection of sample is to avoid it from becoming because stress is excessive to further protect the water pipe on the engine cooling apparatus
Shape, while also certain elastic buffer is provided for the test closure process of water pipe end in material level.
It is universal the invention also includes adaptively being finely tuned during testing and blocking for realizing device in addition to above structure
Component is adjusted, the mobile sliding block 6 is fixedly connected by the universal adjustment component with the guide pad 2, and the block head 8 is borrowed
The universal adjustment component is helped to be fixedly connected with second connecting plate 9.
The universal adjustment component can there are many different embodiments, from the point of view of exploitativeness, preferably
There are two types of schemes, described in detail below:
Embodiment one, the company that the universal adjustment component includes universal joint and matches with the universal joint
Block is connect, the movable end of the universal joint is movably embedded in the link block, the universal joint and the company
It connects block and matches the adaptive fine tuning of the connection for completing other component and device during testing closure.
Embodiment two, the universal adjustment component includes more springs 10, the mobile sliding block 6 by the spring 10 with
The guide pad 2 is fixedly connected, and the block head 8 is fixedly connected by the spring 10 with second connecting plate 9, the bullet
Spring 10 is distributed in two in the link position between connecting component.
In the technical solution that this specification attached drawing discloses, the used structure in embodiment two, such structure
Setup cost is lower, is physically easier to perform, while subsequent plant maintenance of being also more convenient for.And in the technical scheme, in order to guarantee
The effect that the spring 10 connects, is additionally provided with a transfer block, the switching between the spring 10 and the guide pad 2
The side of block is fixedly connected with the guide pad 2 and the sealing cylinder 7 simultaneously, and the other side is fixedly connected with the spring 10.
The course of work of the invention described briefly below first positions the engine cooling apparatus that pending test blocks,
Then driving pusher cylinder 1, the cylinder axis of the pusher cylinder 1 stretch out and guide pad 2 are driven to complete the pre-determined bit to water pipe.?
During pre-determined bit, component and the fine tuning of universal adjustment component interoperation finishing device are adjusted.The pre-determined bit of the water pipe is complete
Cheng Hou, drives sealing cylinder 7, and the cylinder axis of the sealing cylinder 7 bounces back and block head 8 is driven to complete the closure to water pipe port
Operation.During plugging operations, the universal adjustment component again finely tune by realization device.After the completion of plugging operations
Air tightness test is carried out to the pipeline inside the engine cooling apparatus.After the completion of to be tested, the pusher cylinder 1 and described close
It seals cylinder 7 to reset, the movement to the engine cooling apparatus can be carried out at this time.
The present invention has been completed quickly and effectively the centering positioning to engine cooling apparatus water pipe by way of floating and holding out against,
The structure and shape that engine cooling apparatus water pipe is protected on to greatest extent avoid influence of the plugging operations to product quality,
The yields that ensure that converted products improves the production efficiency of processing enterprise.Meanwhile the block head in the present invention has centainly
Adaptive adjustment function, the closure of the tube body port organization to various different gradients can be completed, not only improve closure
The effect of operation, and the scope of application of the invention is expanded on to greatest extent.In addition, structure of the invention is clear, machinery closes
Be it is excellent, each processing enterprise can be obtained by the assembling and transformation to existing equipment, and assembly cost is low, be suitble to push away on a large scale
It is wide to use.In conclusion structure of the invention is reasonable, is easily obtained, and can be abundant while effectively completing test and blocking
Pipeline structure is protected on ground, has very high use and promotional value.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit and essential characteristics of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of engine cooling apparatus tests plugging device, carried out for realizing the air-tightness to engine cooling apparatus internal duct
It detects, is fixedly connected with water pipe on the engine cooling apparatus, it is characterised in that: further include being set to institute including equipment supporter
The positioning mechanism on equipment supporter, for being pre-positioned to the water pipe is stated, and is set on the positioning mechanism, is used for
To the plugging mechanism that the port position of the water pipe is blocked, the positioning mechanism matches completion pair with the plugging mechanism
The test of the water pipe blocks；
The positioning mechanism includes pusher cylinder (1) and the guide pad (2) by the pusher cylinder (1) drive, the guiding
The locating slot (21) for assisting completing the water pipe pre-determined bit is offered on block (2) and the side wall of water pipe contact side.
2. engine cooling apparatus according to claim 1 tests plugging device, it is characterised in that: the locating slot (21)
Shape is wedge shape, triangle or arc.
3. engine cooling apparatus according to claim 1 tests plugging device, it is characterised in that: the positioning mechanism also wraps
It includes and provides the guidance set of guiding for the movement travel for the pusher cylinder (1), the guidance set includes fixed plate (3)
And first connecting plate (4), the cylinder part of the pusher cylinder (1) are fixedly connected with the fixed plate (3), the pusher cylinder
(1) cylinder axis is pierced by the fixed plate (3) and is fixedly connected with first connecting plate (4)；
More guide rods (41) are also fixedly connected on first connecting plate (4), offered on the fixed plate (3) with it is described
The pilot hole (31) that guide rod (41) matches, the guide rod (41) are movably arranged in the pilot hole (31).
4. engine cooling apparatus according to claim 3 tests plugging device, it is characterised in that: the positioning mechanism also wraps
The adjusting component being adjusted for the position to the guide pad (2) is included, the adjusting component includes sliding rail (5) and mobile cunning
Block (6), the sliding rail (5) are fixedly connected with first connecting plate (4), the mobile sliding block (6) and the guide pad (2) phase
Connection, the mobile sliding block (6) are movably disposed on the sliding rail (5), and the both ends of the sliding rail (5) are further fixedly arranged on
For limiting the limit base (51) of mobile sliding block (6) sliding stroke.
5. engine cooling apparatus according to claim 4 tests plugging device, it is characterised in that: the plugging mechanism includes
Sealing cylinder (7) and the block head (8) driven by the sealing cylinder (7), the sealing cylinder (7) and the block head
(8) it realizes and connects by the second connecting plate (9), the cylinder part of the sealing cylinder (7) is fixedly installed on the guide pad (2)
Upper surface, the cylinder axis of the sealing cylinder (7) is fixedly connected with second connecting plate, the shape of the block head (8)
And specification matches with the shape of the water pipe port position and specification.
6. engine cooling apparatus according to claim 5 tests plugging device, it is characterised in that: further include for realizing dress
The universal adjustment component adaptively finely tuned during testing and blocking is set, the mobile sliding block (6) is by the universal adjustment group
Part is fixedly connected with the guide pad (2), and the block head (8) is by the universal adjustment component and second connecting plate
(9) it is fixedly connected.
7. engine cooling apparatus according to claim 6 tests plugging device, it is characterised in that: the universal adjustment component
Including universal joint and the link block to match with the universal joint, the movable end of the universal joint is movable
Ground is embedded in the link block, and the universal joint matches the connection for completing other component and device with the link block
Adaptive fine tuning during testing closure.
8. engine cooling apparatus according to claim 6 tests plugging device, it is characterised in that: the universal adjustment component
Including more springs (10), the mobile sliding block (6) is fixedly connected by the spring (10) with the guide pad (2), described
Block head (8) is fixedly connected by the spring (10) with second connecting plate (9), the spring (10) be distributed in two to
In link position between connecting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964974.0A CN106404294B (en) | 2016-10-31 | 2016-10-31 | Engine cooling apparatus tests plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964974.0A CN106404294B (en) | 2016-10-31 | 2016-10-31 | Engine cooling apparatus tests plugging device |
Publications (2)
| Publication Number | Publication Date |
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| CN106404294A CN106404294A (en) | 2017-02-15 |
| CN106404294B true CN106404294B (en) | 2019-06-25 |
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| CN201610964974.0A Active CN106404294B (en) | 2016-10-31 | 2016-10-31 | Engine cooling apparatus tests plugging device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153031B (en) * | 2017-06-30 | 2020-07-31 | 沈阳透平机械股份有限公司 | Horizontal subdivision centrifugal compressor shell pressure-bearing test device and method |
| CN107702864B (en) * | 2017-11-27 | 2019-08-16 | 宁波裕隆汽车制泵有限公司 | Engine thermostat lower case air-tightness detection tool |
| CN108195334B (en) * | 2018-02-09 | 2023-11-21 | 苏州工业园区格比机电有限公司 | Floating aperture measuring device |
| CN110202373A (en) * | 2019-06-26 | 2019-09-06 | 东风马勒热系统有限公司 | A kind of semi-automatic assemble mechanism of water valve assembly |
| CN112378586B (en) * | 2020-10-30 | 2021-07-27 | 中国科学院沈阳自动化研究所 | Full-automatic self-adaptive aligning and plugging mechanism for throat part of large-sized cavity workpiece |
| CN117664458B (en) * | 2024-02-02 | 2024-04-23 | 摩丁普信热能技术（江苏）有限公司 | EGR cooler air tightness testing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3188003B2 (en) * | 1992-12-07 | 2001-07-16 | 三菱重工業株式会社 | Combustion gas leak detection device for internal combustion engine |
| CN204556194U (en) * | 2015-03-31 | 2015-08-12 | 张家港孚冈汽车部件有限公司 | A kind of water pipe head air tightness test frock |
| CN105115680B (en) * | 2015-09-30 | 2017-10-17 | 江苏奥力威传感高科股份有限公司 | Engine air inlet tube test device for air tightness |
| CN205102992U (en) * | 2015-10-22 | 2016-03-23 | 柳州派溥管业有限公司 | Engine water pipe gas tightness dry -type check out test set |
| CN105300630A (en) * | 2015-11-03 | 2016-02-03 | 宁波管通机械有限公司 | Hermetic sealing program control testing stand |
| CN206248278U (en) * | 2016-10-31 | 2017-06-13 | 苏州工业园区格比机电有限公司 | Engine cooling apparatus test plugging device |
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