CN219798626U - Engine end cover air tightness detection device - Google Patents
Engine end cover air tightness detection device Download PDFInfo
- Publication number
- CN219798626U CN219798626U CN202321250031.3U CN202321250031U CN219798626U CN 219798626 U CN219798626 U CN 219798626U CN 202321250031 U CN202321250031 U CN 202321250031U CN 219798626 U CN219798626 U CN 219798626U
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- CN
- China
- Prior art keywords
- fixedly connected
- detection device
- end cover
- tightness detection
- engine
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
Abstract
The utility model discloses an engine end cover air tightness detection device, which comprises a support frame, wherein the inner wall of the top end of the support frame is fixedly connected with a hydraulic rod, the driving end of the hydraulic rod is fixedly connected with a lower gland, the bottom end of the lower gland is fixedly connected with a sealing plate, the inner wall of the top end of the lower gland is fixedly connected with a spring, and the bottom end of the spring is fixedly connected with an upper rubber plate. According to the utility model, the hydraulic rod is started to drive the lower gland to move, so that the sealing plate moves downwards, the sealing plate is slowly embedded into the groove on the base to form a closed environment, meanwhile, the spring in the lower gland can downwards press the rubber plate under the reset action, and the upper rubber plate is tightly attached to the engine end cover, so that the engine end cover and the lower rubber plate form a closed environment, a closed environment is provided for detecting the engine end cover, and inaccurate detection results caused by equipment leakage are avoided.
Description
Technical Field
The utility model relates to the field of engine end cover air tightness detection, in particular to an engine end cover air tightness detection device.
Background
The engine is a machine capable of converting other forms of energy into mechanical energy, and the first external combustion engine was invented by r.stirling in the united kingdom in 1816, and is then modified by wattage to a steam engine, and the engine is applicable to both power generation devices and to the entire machine including power generation devices, and includes such types as internal combustion engines, external combustion engines, gas turbines, electric motors, and the like.
The existing engine end cover air tightness detection device is likely to be sealed inadequately in the detection process, so that equipment air leakage is caused, the detection result is affected, the detection is inaccurate, and the subsequent use of the engine is affected.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an engine end cover air tightness detection device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an engine end cover gas tightness detection device, includes the support frame, support frame top inner wall fixedly connected with hydraulic stem, hydraulic stem drive end fixedly connected with lower gland, gland bottom fixedly connected with closing plate down, gland top inner wall fixedly connected with spring down, spring bottom fixedly connected with upper rubber plate, upper rubber plate outer wall sliding connection is gland inner wall down, support frame bottom fixedly connected with bottom plate, bottom plate top fixedly connected with a plurality of supporting shoe, supporting shoe top fixedly connected with base, the base top is provided with the recess, the base inner wall is provided with the rubber plate down.
As a further description of the above technical solution:
and a plurality of air inlet heads are fixedly connected to the bottom of the inner wall of the base.
As a further description of the above technical solution:
the inner walls of the left end and the right end of the support frame are respectively provided with a chute, and the inner walls of the chutes are respectively and slidably connected with a sliding block.
As a further description of the above technical solution:
the opposite ends of the sliding blocks are respectively and fixedly connected with the left end and the right end of the lower gland.
As a further description of the above technical solution:
the rear end of the lower gland is fixedly connected with an air outlet pipe, and the top end of the air outlet pipe is rotationally connected with a cover plate.
As a further description of the above technical solution:
and the bottom end of the base is fixedly connected with an air inlet conduit.
As a further description of the above technical solution:
the other end of the air inlet conduit is fixedly connected with an air pump.
As a further description of the above technical solution:
the bottom end of the air pump is fixedly connected to the top end of the bottom plate.
The utility model has the following beneficial effects:
1. according to the utility model, the engine end cover is placed in the base, and then the hydraulic rod is started, the driving end of the hydraulic rod is connected with the lower gland, so that the hydraulic rod moves downwards along with the lower gland, and the sealing plate at the bottom end of the lower gland can enter the groove on the base in a homeotropic manner, so that a closed environment is formed, the engine end cover is detected, and the problem that the accuracy of a detection result is influenced due to the fact that equipment is not tightly sealed is avoided.
Drawings
Fig. 1 is a perspective view of the front end of an engine air tightness detection device according to the present utility model;
fig. 2 is a schematic diagram of a structure behind an engine air tightness detecting device according to the present utility model;
fig. 3 is a schematic structural diagram of a lower gland of the engine air tightness detection device according to the present utility model;
fig. 4 is a schematic structural diagram of a cross-sectional view of a base of an engine air tightness detection device according to the present utility model;
fig. 5 is a schematic structural diagram of a top view of a base of an engine air tightness detection device according to the present utility model;
fig. 6 is an enlarged view of a in fig. 2.
Legend description:
1. a support frame; 2. a chute; 3. a slide block; 4. a lower gland; 5. a sealing plate; 6. a base; 7. a support block; 8. a bottom plate; 9. a groove; 10. a hydraulic rod; 11. an air outlet pipe; 12. a cover plate; 13. a spring; 14. an air intake duct; 15. an air pump; 16. a rubber plate is arranged; 17. a lower rubber plate; 18. an air inlet head.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides an engine end cover gas tightness detection device, which comprises a supporting rack 1, support 1 top inner wall fixedly connected with hydraulic stem 10, hydraulic stem 10 drive end fixedly connected with lower gland 4, lower gland 4 bottom fixedly connected with closing plate 5, lower gland 4 top inner wall fixedly connected with spring 13, spring 13 bottom fixedly connected with upper rubber plate 16, upper rubber plate 16 outer wall sliding connection is at lower gland 4 inner wall, support 1 bottom fixedly connected with bottom plate 8, bottom plate 8 top fixedly connected with a plurality of supporting shoe 7, supporting shoe 7 top fixedly connected with base 6, base 6 top is provided with recess 9, base 6 inner wall is provided with lower rubber plate 17, at first hydraulic stem 10 starts, because hydraulic stem 10 drive end fixedly connected with lower gland 4, thereby lower gland 4 can be driven down by hydraulic stem 10, and the closing plate 5 that lower gland 4 can its bottom imbeds in recess 9 on base 6 when removing, thereby form a confined environment, increase the reliability of testing result, spring 13 in lower gland 4 can have a low pressure to upper rubber plate 16, thereby upper rubber plate 16 hugs closely to work piece surface and presss from top to work piece 17, thereby can form a closed environment to work piece under the work piece, thereby the work piece is pressed down to work piece 17.
Further, the inner walls of the left end and the right end of the supporting frame 1 are respectively provided with a sliding groove 2, the inner walls of the sliding grooves 2 are respectively and slidably connected with a sliding block 3, opposite ends of the sliding blocks 3 are respectively and fixedly connected with the left end and the right end of a lower pressing cover 4, the sliding blocks 3 are connected with the lower pressing cover 4, the lower pressing cover 4 can be prevented from shifting in the descending process, thereby shifting between the lower pressing cover 4 and a base 6, the equipment is not tightly sealed, the detection result is inaccurate, the rear end of the lower pressing cover 4 is fixedly connected with an air outlet pipe 11, the top end of the air outlet pipe 11 is rotationally connected with a cover plate 12, the bottom end of the base 6 is fixedly connected with an air inlet pipe 14, the other end of the air inlet pipe 14 is fixedly connected with an air pump 15, the bottom end of the air pump 15 is fixedly connected with the top end of a bottom plate 8, the bottom end of the base 6 is of a hollow structure, the bottom end of the base 6 is fixedly connected with the air inlet pipe 14, the other end of the air inlet pipe 14 is fixedly connected with the air pump 15, the hollow structure of the base 6 is communicated with the air inlet head 18 and the air inlet conduit 14, air enters the base 6 from the air, the air inlet head 18 is arranged on the inner wall of the lower rubber plate 17, the lower rubber plate 17 is provided with an air outlet, the air enters the base 6 through the air inlet head 18, a closed space is formed by a workpiece and the lower rubber plate 17 under the extrusion of the upper rubber plate 16, the air inlet head 18 is arranged in the closed space, the air inlet head 18 jets air to the workpiece, if the air tightness of the workpiece is good, the air cannot enter the lower gland 4, so that the air outlet pipe 11 on the lower gland 4 cannot jet the air, the cover plate 12 at the top end of the air outlet pipe 11 cannot react, otherwise, the air enters the lower gland 4 through the workpiece, so that the air enters the air outlet pipe 11, and the cover plate 12 at the top end of the air outlet pipe 11 is jacked, so that the workpiece is unqualified is indicated.
Working principle: firstly, a workpiece is placed in a base 6, then a hydraulic rod 10 is started, the driving end of the hydraulic rod 10 is fixedly connected with a lower gland 4, two ends of the lower gland 4 are connected with a sliding block 3, the outer wall of the sliding block 3 is in sliding connection with a sliding groove 2 on a support frame 1, so when the hydraulic rod 10 moves with the lower gland 4, the sliding block 3 moves in the sliding groove 2, the sliding block 3 can limit the lower gland 4 when the lower gland 4 moves downwards, the lower gland 4 is prevented from shifting in the moving process, the sealing plate 5 is prevented from being not accurately embedded into a groove 9 on the base 6, a sealed space is formed, when the lower gland 4 is completely pressed down, a spring 13 in the lower gland 4 can have a lower pressure on an upper rubber plate 16, the upper rubber plate 16 is tightly attached to the surface of the workpiece and presses the workpiece downwards, the workpiece and a closed environment is formed by the workpiece and the lower rubber plate 17, then the air pump 15 is started, because the bottom end of the base 6 is of a hollow structure and is communicated with the air inlet head 18 and the air inlet conduit 14, the air pump 15 can blow air into the hollow cavity through the air inlet conduit 14, the air can be blown out from the air inlet head 18, the air inlet head 18 is arranged on the inner wall of the lower rubber plate 17, and the workpiece is tightly pressed by the upper rubber plate 16, so that the workpiece and the lower rubber plate 17 form a closed space, if the air tightness of the workpiece is poor in the detection process, the upper rubber plate 16 is provided with a plurality of air holes, when the workpiece leaks air, the air can enter the lower gland 4 from the air holes on the upper rubber plate 16, the air outlet pipe 11 is arranged on the lower gland 4, the top end of the air outlet pipe 11 is rotationally connected with the cover plate 12, when the air flows out from the air outlet pipe 11, the air can jack the cover plate 12, and reminds operators of defective products.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides an engine end cover gas tightness detection device, includes support frame (1), its characterized in that: support frame (1) top inner wall fixedly connected with hydraulic stem (10), hydraulic stem (10) drive end fixedly connected with lower gland (4), gland (4) bottom fixedly connected with closing plate (5) down, gland (4) top inner wall fixedly connected with a plurality of springs (13) down, spring (13) bottom fixedly connected with goes up rubber slab (16), go up rubber slab (16) outer wall sliding connection at gland (4) inner wall down, support frame (1) bottom fixedly connected with bottom plate (8), bottom plate (8) top fixedly connected with a plurality of supporting shoe (7), supporting shoe (7) top fixedly connected with base (6), base (6) top is provided with recess (9), base (6) inner wall is provided with down rubber slab (17).
2. The engine end cover tightness detection device according to claim 1, wherein: the bottom of the inner wall of the base (6) is fixedly connected with a plurality of air inlet heads (18).
3. The engine end cover tightness detection device according to claim 1, wherein: the inner walls of the left end and the right end of the supporting frame (1) are respectively provided with a sliding groove (2), and the inner walls of the sliding grooves (2) are respectively and slidably connected with a sliding block (3).
4. An engine end cover tightness detection device according to claim 3, wherein: the opposite ends of the sliding block (3) are respectively and fixedly connected with the left end and the right end of the lower gland (4).
5. The engine end cover tightness detection device according to claim 4, wherein: the rear end of the lower gland (4) is fixedly connected with an air outlet pipe (11), and the rear side of the top end of the air outlet pipe (11) is rotationally connected with a cover plate (12).
6. The engine end cover tightness detection device according to claim 1, wherein: and the bottom end of the base (6) is fixedly connected with an air inlet conduit (14).
7. The engine end cover tightness detection device according to claim 6, wherein: the other end of the air inlet conduit (14) is fixedly connected with an air pump (15).
8. The engine end cover tightness detection device according to claim 7, wherein: the bottom end of the air pump (15) is fixedly connected to the top end of the bottom plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250031.3U CN219798626U (en) | 2023-05-23 | 2023-05-23 | Engine end cover air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250031.3U CN219798626U (en) | 2023-05-23 | 2023-05-23 | Engine end cover air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798626U true CN219798626U (en) | 2023-10-03 |
Family
ID=88177246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250031.3U Active CN219798626U (en) | 2023-05-23 | 2023-05-23 | Engine end cover air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798626U (en) |
-
2023
- 2023-05-23 CN CN202321250031.3U patent/CN219798626U/en active Active
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