CN209979172U - Engine cylinder block gas tightness detection device - Google Patents
Engine cylinder block gas tightness detection device Download PDFInfo
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- CN209979172U CN209979172U CN201920582318.3U CN201920582318U CN209979172U CN 209979172 U CN209979172 U CN 209979172U CN 201920582318 U CN201920582318 U CN 201920582318U CN 209979172 U CN209979172 U CN 209979172U
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- cylinder body
- partition plate
- fixedly arranged
- shell
- pressure sensor
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Abstract
The utility model discloses an engine cylinder body airtightness detection device, which comprises a shell, wherein a partition plate is fixedly arranged on the inner side wall of the shell, an inflator pump is arranged below the partition plate, the inflator pump is electrically connected with an external power supply, the inflator pump is fixedly arranged at the bottom in the shell, the inflator pump is respectively communicated with one ends of two inflation tubes, and the other ends of the two inflation tubes respectively penetrate through the partition plate and are arranged above the partition plate; through the setting of pump, gas tube and pressure sensor to can be to baffle upper portion inflation gas, improve the inside atmospheric pressure of casing, because pressure sensor locates the inside of detecting the cylinder body, it is relatively poor to explain the gas tightness that detects the cylinder body when pressure sensor's numerical value changes, if pressure sensor's numerical value keeps unchangeable to explain that the gas tightness that detects the cylinder body is better, and this device is applicable to the cylinder body of different grade type, and the practicality is strong, and the testing result is comparatively accurate, and convenient to use is swift.
Description
Technical Field
The utility model belongs to the technical field of the auto parts detects, concretely relates to engine cylinder body gas tightness detection device.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, and includes, for example, an internal combustion engine, an external combustion engine, an electric motor, etc., where an internal combustion engine generally converts chemical energy into mechanical energy, and the engine is applicable to both a power generation device and an entire machine including a power plant.
At present, when detecting the performance of engine cylinder block, in order to avoid the phenomenon such as gas leakage, water leakage and oil leakage when later stage is used, the gas tightness is one of its indispensable detection work, however, current gas tightness detection device generally detects in the inside of cylinder block, because the cylinder block shape and the size of different grade type are different, the inner structure also is different, has certain inconvenience when detecting, and fixed effect is relatively poor, leads to the result of detecting to have some deviations.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine cylinder body gas tightness detection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an engine cylinder body air tightness detection device comprises a shell, wherein a partition plate is fixedly arranged on the inner side wall of the shell, an inflator pump is arranged below the partition plate and is electrically connected with an external power supply, the inflator pump is fixedly arranged at the bottom in the shell and is respectively communicated with one ends of two inflation tubes, the other ends of the two inflation tubes respectively penetrate through the partition plate and are arranged above the partition plate, a sliding groove is formed in the upper surface of the partition plate, two electric push rods are fixedly arranged on the inner side wall of the sliding groove and are electrically connected with the external power supply, the telescopic ends of the two electric push rods are fixedly connected with the back surface of a bearing plate, the bearing plate is slidably arranged in the sliding groove, two through holes are formed in the bearing plate, two bearings a are respectively and fixedly arranged in the two through holes, and are respectively sleeved on the outer side wall of a rotating shaft, the bearing plate is characterized in that a rotating ring is fixedly arranged at one end of the rotating shaft, two driving bevel gears are fixedly arranged on the outer side wall of the rotating shaft, which extends out of the through hole, and are meshed with two driven bevel gears respectively, the driven bevel gears are fixedly connected with the bottom end of the screw rod through the rotating shaft, a threaded sleeve is connected to the outer surface of the screw rod in a threaded manner, the threaded sleeve is fixedly embedded into the movable plate, a detection cylinder body is placed on the upper surface of the bearing plate, a pressure sensor is arranged in the detection cylinder body, and the pressure sensor is electrically connected with an external.
Preferably, the two sides of the bearing plate are both fixedly provided with sliding blocks, and the two sliding blocks are respectively connected in sliding grooves formed in the inner side walls of the sliding grooves in a sliding mode.
Preferably, the rotating shaft is sleeved in the bearing b, the bearing b is fixedly embedded in the fixing block, and the fixing block is fixedly arranged on the outer side wall of the bearing plate.
Preferably, the top end of the screw rod is fixedly provided with a limiting block.
Preferably, the lower surface of the movable plate is fixedly bonded with a rubber pad.
Preferably, the front surface of the housing is hinged with a sealing door.
Preferably, a pressure relief pipe is arranged on one side surface of the outer side wall of the shell, and a pressure relief valve is arranged on the pressure relief pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the setting of pump, gas tube and pressure sensor to can be to baffle upper portion inflation gas, improve the inside atmospheric pressure of casing, because pressure sensor locates the inside of detecting the cylinder body, it is relatively poor to explain the gas tightness that detects the cylinder body when pressure sensor's numerical value changes, if pressure sensor's numerical value keeps unchangeable to explain that the gas tightness that detects the cylinder body is better, and this device is applicable to the cylinder body of different grade type, and the practicality is strong, and the testing result is comparatively accurate, and convenient to use is swift.
(2) The detection cylinder body is placed on the bearing plate, the rotating shaft is driven to rotate through rotation of the rotating ring, the screw rod is driven to rotate under the meshing effect of the driving bevel gear and the driven bevel gear, so that the movable plate can move up and down, the detection cylinder body can be clamped and fixed, the detection cylinder body is effectively prevented from shifting when air tightness detection is carried out, the stability of the detection cylinder body is kept, and the accuracy of a detection result is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top-view cross-sectional structure of the movable plate of the present invention;
fig. 3 is a front view of the housing of the present invention;
fig. 4 is an enlarged schematic structural view at a position a of the present invention;
in the figure: 1. a housing; 2. a partition plate; 3. an inflator pump; 4. an inflation tube; 5. an electric push rod; 6. a carrier plate; 7. a bearing a; 8. a rotating shaft; 9. rotating the ring; 10. a drive bevel gear; 11. a driven bevel gear; 12. a rotating shaft; 13. a bearing b; 14. a fixed block; 15. a screw; 16. a threaded sleeve; 17. a limiting block; 18. a movable plate; 19. a rubber pad; 20. detecting a cylinder body; 21. a pressure sensor; 22. a sealing door; 23. a pressure relief pipe; 24. and (4) releasing the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an engine cylinder airtightness detection device comprises a shell 1, a partition plate 2 is fixedly arranged on the inner side wall of the shell 1, an inflator 3 is arranged below the partition plate 2, the inflator 3 is electrically connected with an external power supply, the inflator 3 is fixedly arranged at the bottom in the shell 1, the inflator 3 is respectively communicated with one ends of two inflation tubes 4, the other ends of the two inflation tubes 4 respectively penetrate through the partition plate 2 and are arranged above the partition plate 2, a sliding groove is formed in the upper surface of the partition plate 2, two electric push rods 5 are fixedly arranged on the inner side wall of the sliding groove, the electric push rods 5 are electrically connected with the external power supply, the telescopic ends of the two electric push rods 5 are respectively fixedly connected with the back surface of a bearing plate 6, the bearing plate 6 is slidably arranged in the sliding groove, two through holes are formed in the bearing plate 6, two bearings a7 are respectively and fixedly arranged in the two through holes, and two bearings a 35, the fixed change ring 9 that is equipped with of one end of axis of rotation 8, axis of rotation 8 extends the fixed two drive bevel gear 10 that are equipped with of lateral wall of through-hole, and two drive bevel gear 10 mesh with two driven bevel gear 11 respectively, driven bevel gear 11 is through the bottom fixed connection of pivot 12 with screw rod 15, the surface threaded connection of screw rod 15 has swivel nut 16, and swivel nut 16 embedding is fixed to be located in fly leaf 18, detection cylinder body 20 has been placed to the upper surface of loading board 6, and be provided with pressure sensor 21 in the detection cylinder body 20, pressure sensor 21 and external power supply electric connection.
In this embodiment, the model of the inflator 3 may be OTS-1500x 2-60L; the electric push rod 5 can be TE 02; the pressure sensor 21 may be of the GPT230 type.
In the embodiment, through the arrangement of the inflator pump 3, the inflation tube 4 and the pressure sensor 21, the upper part of the partition plate 2 can be inflated with gas, so as to improve the air pressure inside the casing 1, because the pressure sensor 21 is arranged inside the detection cylinder 20, when the value of the pressure sensor 21 changes, the air tightness of the detection cylinder 20 is poor, if the value of the pressure sensor 21 keeps unchanged, the air tightness of the detection cylinder 20 is better, and the device is suitable for cylinders of different types, the practicability is strong, the detection result is more accurate, the use is convenient and fast, the detection cylinder 20 is placed on the bearing plate 6, the rotating shaft 8 is driven to rotate through the rotation of the rotating ring 9, the screw rod 15 is driven to rotate under the meshing action of the driving bevel gear 10 and the driven bevel gear 11, so that the movable plate 18 moves up and down, the detection cylinder 20 can be clamped and fixed, and the displacement of the detection cylinder, keep detecting cylinder body 20's stability, improve the accuracy of testing result, through starting electric putter 5, electric putter 5 promotes loading board 6 back-and-forth movement in the sliding tray to be convenient for the staff and place or take out detection cylinder body 20, bearing a 7's setting makes axis of rotation 8 more stable when the rotation.
Further, the both sides of loading board 6 are all fixed and are provided with the slider, and two sliders are sliding connection respectively in the spout that the sliding tray inside wall was seted up, and the setting of slider and spout makes loading board 6 more stable when moving back and forth.
Furthermore, the rotating shaft 12 is sleeved in the bearing b13, the bearing b13 is embedded and fixed in the fixing block 14, the fixing block 14 is fixed on the outer side wall of the bearing plate 6, and the bearing b13 is arranged to make the rotating shaft 12 more stable during rotation.
Furthermore, a limiting block 17 is fixedly arranged at the top end of the screw rod 15, and the screw sleeve 16 is not easy to separate from the screw rod 15 due to the arrangement of the limiting block 17.
Further, a rubber pad 19 is fixedly bonded to the lower surface of the movable plate 18, and the rubber pad 19 is disposed to prevent the movable plate 18 from damaging the surface of the detection cylinder 20 during clamping.
Further, the front surface of the housing 1 is hinged with a sealing door 22, and the arrangement of the sealing door 22 improves the sealing performance of the housing 1.
Further, a pressure release pipe 23 is arranged on one side face of the outer side wall of the shell 1, a pressure release valve 24 is arranged on the pressure release pipe 23, the pressure release pipe 23 and the pressure release valve 24 can perform pressure release work after the air tightness detection operation of the detection cylinder body 20 is completed, and the subsequent detection cylinder body 20 can be conveniently taken out.
The utility model discloses a theory of operation and use flow: the sealing door 22 is opened to place the detection cylinder body 20 on the bearing plate 6, the rotating shaft 8 is driven to rotate through the rotation of the rotating ring 9, the screw rod 15 is driven to rotate under the meshing action of the driving bevel gear 10 and the driven bevel gear 11, the screw rod 15 rotates to drive the threaded sleeve 16 to move up and down, so that the movable plate 18 moves up and down, the clamping and fixing operation can be carried out on the detection cylinder body 20, the detection cylinder body 20 is effectively prevented from shifting during air tightness detection, the stability of the detection cylinder body 20 is kept, the accuracy of a detection result is improved, the sealing door 22 is closed after clamping is finished, the inflation pump 3, the inflation pipe 4 and the pressure sensor 21 are arranged, the inflation pump 3 works to fill air into the upper part of the partition plate 2, the air pressure inside the shell 1 is improved, and because the pressure sensor 21 is arranged inside the detection cylinder body 20, when the numerical, if the value of the pressure sensor 21 is kept unchanged, it means that the air tightness of the detection cylinder 20 is better, after the air tightness detection operation of the detection cylinder 20 is completed, the pressure relief valve 24 is opened to restore the air pressure inside the casing 1 to normal, and the sealing door 22 is opened to take out the detection cylinder 20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an engine cylinder block gas tightness detection device, includes casing (1), its characterized in that: the inner side wall of the shell (1) is fixedly provided with a partition plate (2), an inflator pump (3) is arranged below the partition plate (2), the inflator pump (3) is electrically connected with an external power supply, the inflator pump (3) is fixedly arranged at the bottom in the shell (1), the inflator pump (3) is respectively communicated with one ends of two inflation tubes (4), the other ends of the two inflation tubes (4) respectively penetrate through the partition plate (2) and are arranged above the partition plate (2), the upper surface of the partition plate (2) is provided with a sliding groove, two electric push rods (5) are fixedly arranged on the inner side wall of the sliding groove, the electric push rods (5) are electrically connected with the external power supply, the telescopic ends of the two electric push rods (5) are fixedly connected with the back surface of the bearing plate (6), the bearing plate (6) is slidably arranged in the sliding groove, two through holes are formed in the bearing plate (6), two bearings a (7) are respectively and fixedly arranged in the two through holes, the two bearings a (7) are respectively sleeved on the outer side wall of the rotating shaft (8), a rotating ring (9) is fixedly arranged at one end of the rotating shaft (8), two driving bevel gears (10) are fixedly arranged on the outer side wall of the rotating shaft (8) extending out of the through hole, and the two driving bevel gears (10) are respectively meshed with the two driven bevel gears (11), the driven bevel gear (11) is fixedly connected with the bottom end of a screw rod (15) through a rotating shaft (12), the outer surface of the screw rod (15) is in threaded connection with a threaded sleeve (16), the threaded sleeve (16) is embedded and fixedly arranged in the movable plate (18), the upper surface of the bearing plate (6) is provided with a detection cylinder body (20), and a pressure sensor (21) is arranged in the detection cylinder body (20), and the pressure sensor (21) is electrically connected with an external power supply.
2. The engine block airtightness detection apparatus according to claim 1, wherein: the two sides of the bearing plate (6) are fixedly provided with sliding blocks, and the two sliding blocks are respectively connected in sliding grooves formed in the inner side walls of the sliding grooves in a sliding mode.
3. The engine block airtightness detection apparatus according to claim 1, wherein: the rotating shaft (12) is sleeved in the bearing b (13), the bearing b (13) is fixedly embedded in the fixing block (14), and the fixing block (14) is fixedly arranged on the outer side wall of the bearing plate (6).
4. The engine block airtightness detection apparatus according to claim 1, wherein: and a limiting block (17) is fixedly arranged at the top end of the screw rod (15).
5. The engine block airtightness detection apparatus according to claim 1, wherein: the lower surface of the movable plate (18) is fixedly bonded with a rubber pad (19).
6. The engine block airtightness detection apparatus according to claim 1, wherein: the front surface of the shell (1) is hinged with a sealing door (22).
7. The engine block airtightness detection apparatus according to claim 1, wherein: a pressure relief pipe (23) is arranged on one side face of the outer side wall of the shell (1), and a pressure relief valve (24) is arranged on the pressure relief pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582318.3U CN209979172U (en) | 2019-04-26 | 2019-04-26 | Engine cylinder block gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582318.3U CN209979172U (en) | 2019-04-26 | 2019-04-26 | Engine cylinder block gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979172U true CN209979172U (en) | 2020-01-21 |
Family
ID=69259708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582318.3U Expired - Fee Related CN209979172U (en) | 2019-04-26 | 2019-04-26 | Engine cylinder block gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112229A (en) * | 2020-08-31 | 2022-03-01 | 中国航发商用航空发动机有限责任公司 | Tightness detection device of gas turbine engine casing |
-
2019
- 2019-04-26 CN CN201920582318.3U patent/CN209979172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112229A (en) * | 2020-08-31 | 2022-03-01 | 中国航发商用航空发动机有限责任公司 | Tightness detection device of gas turbine engine casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |