CN117433719B - Automobile pipeline tightness detection device - Google Patents
Automobile pipeline tightness detection device Download PDFInfo
- Publication number
- CN117433719B CN117433719B CN202311757894.4A CN202311757894A CN117433719B CN 117433719 B CN117433719 B CN 117433719B CN 202311757894 A CN202311757894 A CN 202311757894A CN 117433719 B CN117433719 B CN 117433719B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cover
- pipe
- pressure
- tightness
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses an automobile pipeline tightness detection device, which relates to the technical field of automobile pipeline detection and comprises a base, wherein a pipeline installation assembly and a pressure swing impact detection assembly are arranged on the base; the pipeline installation assembly comprises a spacing adjustment assembly arranged on the base, the spacing adjustment assembly is connected with two vertical frames, end pipes are fixedly connected to adjacent sides of the two vertical frames, a compression cover is fixedly arranged at one end of each end pipe far away from each vertical frame, a thread sleeve is connected to the outside of each compression cover in a threaded manner, a pipe to be tested is arranged between the two compression covers, and connecting pipes are fixedly connected to the two end pipes; according to the invention, the pressure-variable impact detection assembly is arranged, so that the pipe to be detected can be impacted by a plurality of groups of high-pressure air with different pressures, the tightness data of the pipe to be detected after the high-pressure impact is detected, the tightness detection data of the pipe to be detected are rich, and the detection effect is good.
Description
Technical Field
The invention relates to the technical field of automobile pipeline detection, in particular to an automobile pipeline tightness detection device.
Background
The automobile pipeline belongs to an important part of automobiles, is more in application quantity in the assembly process of automobiles, and is divided into a metal pipe and a rubber pipe. The sealing performance of the automobile pipeline directly influences the quality and the safety of the automobile. Therefore, accurate detection of the tightness of automotive ducts is of paramount importance.
At present, in the process of testing an automobile pipeline, the sealing performance of the automobile pipeline in a high-pressure state is observed mainly by means of static inflation test, but the pipeline is frequently impacted by high pressure in the use process of the automobile, so that the existing detection means cannot fully detect the sealing performance of the automobile, and the improvement is needed.
Disclosure of Invention
The invention provides an automobile pipeline tightness detection device which solves the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the device for detecting the tightness of the automobile pipeline comprises a base, wherein a pipeline installation assembly and a pressure swing impact detection assembly are arranged on the base;
the pipeline installation assembly comprises a spacing adjustment assembly arranged on the base, the spacing adjustment assembly is connected with two vertical frames, end pipes are fixedly connected to adjacent sides of the two vertical frames, a compression cover is fixedly arranged at one end of each end pipe far away from each vertical frame, a thread sleeve is connected to the outside of each compression cover in a threaded manner, a pipe to be tested is arranged between the two compression covers, and connecting pipes are fixedly connected to the two end pipes;
the pressure swing impact detection assembly comprises an outer fixed cover, a mounting seat is fixedly connected between the outer fixed cover and a base, an annular inner column is fixedly arranged in the outer fixed cover, a rotary inner column is rotationally connected inside the annular inner column, a plurality of pressure swing grooves are formed in the annular inner column, the pressure swing grooves are connected with a multi-air pressure adjustment assembly, a communication port is formed in the annular inner column, which is close to one side of the rotary inner column, of the pressure swing grooves, an air vent groove is formed in the outer side of the rotary inner column, a plurality of air vent grooves are formed in the inner side wall of the annular inner column, an air vent chamber and an air vent chamber are respectively formed in two ends in the outer fixed cover, the air vent grooves are communicated with the air vent chamber, and the air vent grooves are communicated with the air vent chamber;
the mounting seat is fixedly connected with a side fixing pipe, an air inlet pipe is fixedly connected between the side fixing pipe and one end of the outer fixing cover, the two connecting pipes are fixedly connected and communicated with the side fixing pipe, and the air inlet pipe is communicated with the ventilation chamber.
As a preferable technical scheme of the invention, the interval adjusting assembly comprises a guide seat fixedly arranged at the top end of a base, a guide groove is arranged in the guide seat, the bottom ends of two vertical frames are fixedly connected with moving blocks, the moving blocks are positioned in the guide groove and are in sliding connection with the guide seat, one end of the guide seat is fixedly provided with a shift driving motor, an output shaft of the shift driving motor is coaxially and fixedly connected with a shift driving screw rod, and the shift driving screw rod penetrates through the two moving blocks and is in threaded connection with the two moving blocks.
As a preferable technical scheme of the invention, two thread parts are arranged outside the displacement driving screw, the thread directions of the two thread parts are opposite, and the two thread parts are respectively in threaded connection with the two moving blocks.
As a preferable technical scheme of the invention, the diameter of the compression cover is gradually increased from the direction away from the end pipe, a plurality of separation grooves are formed in the compression cover, and a silica gel sleeve is fixedly arranged on the inner wall of the compression cover.
As a preferable technical scheme of the invention, the multi-air pressure adjusting assembly comprises a hydraulic telescopic rod fixedly arranged on one side of the mounting seat, a push plate is fixedly connected to the telescopic end of the hydraulic telescopic rod, the push plate is fixedly connected with an end ring, the end ring is positioned on one side of the outer fixed cover, one end of the end ring, which is close to the outer fixed cover, is fixedly connected with a plurality of pressing sleeves, the end part in each pressing sleeve is fixedly connected with a spring part, the free end of each spring part is fixedly connected with a compression rod, and the compression rod extends into the pressure changing groove and is fixedly connected with a piston block.
As a preferable technical scheme of the invention, the end part of the outer fixed cover is fixedly connected with a rotary driving motor, and an output shaft of the rotary driving motor extends into the outer fixed cover and is coaxially and fixedly connected with the rotary inner column.
As a preferable technical scheme of the invention, one end of the outer fixed cover, which is positioned in the exhaust chamber, is provided with an exhaust hole.
As an optimized technical scheme of the invention, an air inlet cover is arranged in the exhaust chamber and fixedly connected with the annular inner column, and the air inlet cover is communicated with the plurality of pressure changing grooves and fixedly connected with the air supply pipe.
As a preferable technical scheme of the invention, an electric control valve is arranged at the joint of the air inlet cover and the pressure changing groove.
As a preferable technical scheme of the invention, the air pressure gauge is fixedly arranged on the vertical frame and is communicated with the end pipe.
The invention has the following advantages: according to the invention, the pressure-variable impact detection assembly is arranged, so that the pipe to be detected can be impacted by a plurality of groups of high-pressure air with different pressures, the tightness data of the pipe to be detected after the high-pressure impact is detected, the tightness detection data of the pipe to be detected are rich, and the detection effect is good.
Drawings
Fig. 1 is a schematic perspective view of an automotive duct tightness detection device.
Fig. 2 is a schematic structural diagram of a multi-air pressure adjusting assembly in an automotive pipeline tightness detection device.
Fig. 3 is a schematic view of an external perspective structure of a pressure swing impact detection assembly in an automotive pipeline tightness detection device.
Fig. 4 is a schematic perspective sectional structure of a multi-air pressure adjusting assembly in an automobile pipeline tightness detecting device.
Fig. 5 is a schematic perspective sectional view of the inside of the outer fixing cover in the automotive duct tightness detecting device.
In the figure: 1. a base; 2. a guide seat; 3. a moving block; 4. a vertical frame; 5. an end tube; 6. a compression cover; 7. a thread sleeve; 8. a tube to be tested; 9. a connecting pipe; 10. a shift driving motor; 11. a displacement drive screw; 12. a side fixing tube; 13. a mounting base; 14. an outer stationary cover; 15. a multi-air pressure regulating assembly; 16. a push plate; 17. a hydraulic telescopic rod; 18. an end ring; 19. pressing the sleeve; 20. a compression bar; 21. an air inlet pipe; 22. an exhaust hole; 23. an air supply pipe; 24. a rotary drive motor; 25. an annular inner column; 26. a variable pressure tank; 27. a communication port; 28. rotating the inner column; 29. a vent groove; 30. a spring member; 31. a piston block; 32. an air inlet cover; 33. an exhaust groove; 34. barometer.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, an automobile pipeline tightness detection device comprises a base 1, wherein a pipeline installation assembly and a pressure swing impact detection assembly are arranged on the base 1;
the pipeline installation assembly comprises a spacing adjustment assembly arranged on the base 1, the spacing adjustment assembly is connected with two vertical frames 4, end pipes 5 are fixedly connected to adjacent sides of the two vertical frames 4, a compression cover 6 is fixedly arranged at one end, far away from the vertical frames 4, of each end pipe 5, a thread sleeve 7 is connected to the outside of each compression cover 6 in a threaded manner, a pipe 8 to be tested is arranged between the two compression covers 6, and connecting pipes 9 are fixedly connected to the two end pipes 5;
the pressure swing impact detection assembly comprises an outer fixed cover 14, a mounting seat 13 is fixedly connected between the outer fixed cover 14 and the base 1, an annular inner column 25 is fixedly arranged in the outer fixed cover 14, a rotary inner column 28 is rotatably connected in the annular inner column 25, a plurality of pressure swing grooves 26 are formed in the annular inner column 25, the pressure swing grooves 26 are connected with a multi-air pressure adjusting assembly 15, a communication port 27 is formed in the annular inner column 25, which is close to one side of the rotary inner column 28, of the pressure swing grooves 26, an air vent groove 29 is formed in the outer side of the rotary inner column 28, a plurality of air vent grooves 33 are formed in the inner side wall of the annular inner column 25, an air vent chamber and an air vent chamber are respectively formed in two ends in the outer fixed cover 14, the air vent grooves 29 are communicated with the air vent chamber, and the air vent grooves 33 are communicated with the air vent chamber;
the mounting seat 13 is fixedly connected with a side fixing pipe 12, an air inlet pipe 21 is fixedly connected between the side fixing pipe 12 and one end of the outer fixing cover 14, the two connecting pipes 9 are fixedly connected and communicated with the side fixing pipe 12, and the air inlet pipe 21 is communicated with the ventilation chamber.
The interval adjusting component comprises a guide seat 2 fixedly arranged at the top end of a base 1, a guide groove is formed in the guide seat 2, the bottoms of two vertical frames 4 are fixedly connected with a moving block 3, the moving block 3 is positioned in the guide groove and is in sliding connection with the guide seat 2, one end of the guide seat 2 is fixedly provided with a displacement driving motor 10, an output shaft of the displacement driving motor 10 is coaxially and fixedly connected with a displacement driving screw 11, and the displacement driving screw 11 penetrates through the two moving blocks 3 and is in threaded connection with the two moving blocks.
The outside of displacement drive screw 11 is equipped with two screw thread portions, and the screw thread direction of two screw thread portions is opposite, and two screw thread portions respectively with two movable blocks 3 threaded connection.
The diameter of the pressing cover 6 is gradually increased from the direction away from the end pipe 5, a plurality of separation grooves are formed in the pressing cover 6, and a silica gel sleeve is fixedly arranged on the inner wall of the pressing cover 6.
The multi-air pressure adjusting assembly 15 comprises a hydraulic telescopic rod 17 fixedly arranged on one side of the mounting seat 13, a push plate 16 is fixedly connected to the telescopic end of the hydraulic telescopic rod 17, an end ring 18 is fixedly connected to the push plate 16, the end ring 18 is located on one side of the outer fixed cover 14, one end of the end ring 18, which is close to the outer fixed cover 14, is fixedly connected with a plurality of pressure sleeves 19, the end part in each pressure sleeve 19 is fixedly connected with a spring piece 30, the free end of each spring piece 30 is fixedly connected with a compression rod 20, and the compression rod 20 extends into the pressure varying groove 26 and is fixedly connected with a piston block 31.
The end of the outer fixed cover 14 is fixedly connected with a rotary driving motor 24, and an output shaft of the rotary driving motor 24 extends into the outer fixed cover 14 and is coaxially and fixedly connected with a rotary inner column 28.
The outer fixed cover 14 is provided with an exhaust hole 22 at one end of the exhaust chamber.
The exhaust chamber is equipped with the air inlet cover 32, and air inlet cover 32 and annular inner column 25 fixed connection, and air inlet cover 32 and a plurality of vary voltage groove 26 all communicate, and air inlet cover 32 fixed connection air supply pipe 23.
An electric control valve is arranged at the joint of the air inlet cover 32 and the pressure transformation groove 26.
The stand 4 is fixedly provided with a barometer 34, and the barometer 34 is communicated with the end pipe 5.
In the implementation process, firstly, a pipe 8 to be tested is arranged between two compression covers 6, and a displacement driving motor 10 is controlled to start according to the length of the pipe 8 to be tested, so that two stand frames 4 are moved close to each other;
if the pipe 8 to be tested is a rubber pipe, two ends of the rubber pipe are respectively arranged in the two compression covers 6, and then the screw thread sleeve 7 is rotated to drive the compression covers 6 to tighten, so that the ends of the rubber pipe are connected in a sealing way;
if the pipe 8 to be measured is a metal pipe, the displacement driving motor 10 is directly controlled to drive the two pressing covers 6 to be close to each other, so that the silica gel pad at the inner side of the pressing cover 6 is pressed with the end part of the metal pipe to realize sealing connection;
after the pipe 8 to be tested is connected in a sealing way, high-pressure air is introduced into the air inlet cover 32 through the air supply pipe 23, so that each pressure transformation groove 26 is filled with the high-pressure air, and then the electric control valve is closed, so that the pressure transformation grooves 26 are in a sealing state;
then, the hydraulic telescopic rod 17 is controlled to retract, the end ring 18 and the plurality of pressure sleeves 19 are driven to move, the compression rod 20 and the piston block 31 are driven to move in the pressure changing groove 26, compressed air in the pressure changing groove 26 is further compressed, and the air pressure values in different pressure changing grooves 26 are different due to different elastic coefficients of the plurality of spring pieces 30;
then, the rotary driving motor 24 is controlled to start and drive the rotary inner column 28 to rotate, when the ventilation groove 29 is communicated with one of the communication ports 27 in the rotation process of the rotary inner column 28, high-pressure air in the corresponding pressure transformation groove 26 enters the ventilation cavity through the ventilation groove 29, then finally enters the pipe 8 to be tested through the air inlet pipe 21, the side fixing pipe 12 and the connecting pipe 9, impacts the pipe 8 to be tested, fills the pipe 8 to be tested with high-pressure air, and can observe the tightness data of the pipe 8 to be tested after being impacted by the high-pressure air through the air pressure gauge 34;
as the rotation of the rotating inner column 28 continues, the ventilation groove 29 is communicated with the adjacent exhaust groove 33, and high-pressure air in the pipe 8 to be tested is released through the exhaust groove 33;
along with the continuous rotation of the rotating inner column 28, when the ventilation groove 29 is communicated with the next communication port 27, the high-pressure air with another air pressure value can be filled in the pipe 8 to be tested;
and through filling detection of multiple rounds of high-pressure air, the tightness data of the pipe 8 to be detected under different air pressure impacts can be obtained.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The device for detecting the tightness of the automobile pipeline comprises a base (1), and is characterized in that a pipeline installation assembly and a pressure swing impact detection assembly are arranged on the base (1);
the pipeline installation assembly comprises a spacing adjustment assembly arranged on the base (1), the spacing adjustment assembly is connected with two vertical frames (4), end pipes (5) are fixedly connected to adjacent sides of the two vertical frames (4), a compression cover (6) is fixedly arranged at one end, far away from the vertical frames (4), of each end pipe (5), a thread sleeve (7) is connected to the outside of each compression cover (6) in a threaded mode, a pipe (8) to be detected is arranged between the two compression covers (6), and connecting pipes (9) are fixedly connected to the two end pipes (5);
the pressure swing impact detection assembly comprises an outer fixed cover (14), an installation seat (13) is fixedly connected between the outer fixed cover (14) and a base (1), an annular inner column (25) is fixedly arranged in the outer fixed cover (14), a rotary inner column (28) is rotatably connected to the inner part of the annular inner column (25), a plurality of pressure swing grooves (26) are formed in the annular inner column (25), the pressure swing grooves (26) are connected with a multi-air pressure regulation assembly (15), a communication port (27) is formed in the annular inner column (25) on one side, close to the rotary inner column (28), of the pressure swing grooves (26), an air vent groove (29) is formed in the outer side of the rotary inner column (28), a plurality of air vent grooves (33) are formed in the inner side wall of the annular inner column (25), an air vent chamber and an air vent chamber are respectively formed in two ends in the outer fixed cover (14), the air vent grooves (29) are communicated with the air vent chamber, and the air vent grooves (33) are communicated with the air vent chamber.
The mounting seat (13) is fixedly connected with a side fixing pipe (12), an air inlet pipe (21) is fixedly connected between the side fixing pipe (12) and one end of the outer fixing cover (14), the two connecting pipes (9) are fixedly connected and communicated with the side fixing pipe (12), and the air inlet pipe (21) is communicated with the ventilation chamber;
the multi-air-pressure adjusting assembly (15) comprises a hydraulic telescopic rod (17) fixedly arranged on one side of an installation seat (13), a push plate (16) is fixedly connected to the telescopic end of the hydraulic telescopic rod (17), the push plate (16) is fixedly connected with an end ring (18), the end ring (18) is located on one side of an outer fixed cover (14), one end of the end ring (18) close to the outer fixed cover (14) is fixedly connected with a plurality of pressing sleeves (19), the end part in each pressing sleeve (19) is fixedly connected with a spring piece (30), the free end of the spring piece (30) is fixedly connected with a compression rod (20), and the compression rod (20) extends into a pressure changing groove (26) and is fixedly connected with a piston block (31).
2. The automobile pipeline tightness detection device according to claim 1, wherein the distance adjusting assembly comprises a guide seat (2) fixedly arranged at the top end of the base (1), guide grooves are formed in the guide seat (2), the bottom ends of the two vertical frames (4) are fixedly connected with moving blocks (3), the moving blocks (3) are located in the guide grooves and are in sliding connection with the guide seat (2), a displacement driving motor (10) is fixedly arranged at one end of the guide seat (2), a displacement driving screw (11) is fixedly connected to an output shaft of the displacement driving motor (10) coaxially, and the displacement driving screw (11) penetrates through the two moving blocks (3) and is in threaded connection with the two moving blocks.
3. The device for detecting the tightness of the automobile pipeline according to claim 2, wherein two threaded portions are arranged outside the displacement driving screw (11), the threaded directions of the two threaded portions are opposite, and the two threaded portions are respectively in threaded connection with the two moving blocks (3).
4. The device for detecting the tightness of the automobile pipeline according to claim 1, wherein the diameter of the pressing cover (6) is gradually increased from the direction away from the end pipe (5), a plurality of separation grooves are formed in the pressing cover (6), and a silica gel sleeve is fixedly arranged on the inner wall of the pressing cover (6).
5. The apparatus for detecting tightness of automotive pipes according to claim 1, characterized in that an end portion of the outer stationary cover (14) is fixedly connected to a rotary drive motor (24), and an output shaft of the rotary drive motor (24) extends into the outer stationary cover (14) and is fixedly connected coaxially with the rotary inner column (28).
6. The device for detecting the tightness of the automobile pipeline according to claim 1, wherein the outer fixing cover (14) is provided with an exhaust hole (22) at one end of the exhaust chamber.
7. The automobile pipeline tightness detection device according to claim 1, wherein an air inlet cover (32) is arranged in the exhaust chamber, the air inlet cover (32) is fixedly connected with the annular inner column (25), the air inlet cover (32) is communicated with the plurality of pressure changing grooves (26), and the air inlet cover (32) is fixedly connected with the air supply pipe (23).
8. The device for detecting the tightness of the automobile pipeline according to claim 7, wherein an electric control valve is arranged at the joint of the air inlet cover (32) and the pressure transformation groove (26).
9. The device for detecting the tightness of the automobile pipeline according to claim 1, wherein the air pressure gauge (34) is fixedly arranged on the vertical frame (4), and the air pressure gauge (34) is communicated with the end pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311757894.4A CN117433719B (en) | 2023-12-20 | 2023-12-20 | Automobile pipeline tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311757894.4A CN117433719B (en) | 2023-12-20 | 2023-12-20 | Automobile pipeline tightness detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117433719A CN117433719A (en) | 2024-01-23 |
| CN117433719B true CN117433719B (en) | 2024-03-19 |
Family
ID=89553920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311757894.4A Active CN117433719B (en) | 2023-12-20 | 2023-12-20 | Automobile pipeline tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117433719B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2645491A1 (en) * | 1989-04-10 | 1990-10-12 | Garnero Pierino | |
| US6367313B1 (en) * | 2000-12-05 | 2002-04-09 | William M. Lubyk | Test plug |
| WO2002066858A1 (en) * | 2001-02-23 | 2002-08-29 | Quinton Hazell España, S.A. | Adjustable shock absorber |
| JP2011069415A (en) * | 2009-09-24 | 2011-04-07 | Taiyo Nippon Sanso Engineering Corp | Piping checker |
| JP2012037044A (en) * | 2010-08-06 | 2012-02-23 | Sangsin Brake Co Ltd | Brake pad pressurization method and pressurizing device using jig for pressurization, and recording medium with recorded program achieving the pressurization method |
| KR101281339B1 (en) * | 2012-01-11 | 2013-07-02 | (주)스마텍 | Double impact test unit |
| CN108176862A (en) * | 2018-01-11 | 2018-06-19 | 北京第二机床厂有限公司 | The tailstock that surges equipped with pressure adjustment and pressure-display device |
| CN112576920A (en) * | 2019-09-29 | 2021-03-30 | 江苏久维压力容器制造有限公司 | High-pressure gas cylinder with high-pressure gas buffering function valve body |
| CN114112279A (en) * | 2021-11-29 | 2022-03-01 | 国网浙江省电力有限公司电力科学研究院 | Pumped storage power station transformer impact test bed and test method |
| CN115326316A (en) * | 2022-08-16 | 2022-11-11 | 山东奥扬新能源科技股份有限公司 | Differential pressure type air tightness detection device for steel cylinder |
| CN116816567A (en) * | 2023-06-30 | 2023-09-29 | 重庆磐谷动力技术有限公司 | Multi-channel flow control valve group |
| CN116989946A (en) * | 2023-09-27 | 2023-11-03 | 山东美晨工业集团有限公司 | Automobile rubber tube tightness detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514758A (en) * | 2013-09-27 | 2015-04-15 | 陈启星 | Liquid seal energy accumulator based on liquid collector and sandwich piston and hydraulic system thereof |
-
2023
- 2023-12-20 CN CN202311757894.4A patent/CN117433719B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2645491A1 (en) * | 1989-04-10 | 1990-10-12 | Garnero Pierino | |
| US6367313B1 (en) * | 2000-12-05 | 2002-04-09 | William M. Lubyk | Test plug |
| WO2002066858A1 (en) * | 2001-02-23 | 2002-08-29 | Quinton Hazell España, S.A. | Adjustable shock absorber |
| JP2011069415A (en) * | 2009-09-24 | 2011-04-07 | Taiyo Nippon Sanso Engineering Corp | Piping checker |
| JP2012037044A (en) * | 2010-08-06 | 2012-02-23 | Sangsin Brake Co Ltd | Brake pad pressurization method and pressurizing device using jig for pressurization, and recording medium with recorded program achieving the pressurization method |
| KR101281339B1 (en) * | 2012-01-11 | 2013-07-02 | (주)스마텍 | Double impact test unit |
| CN108176862A (en) * | 2018-01-11 | 2018-06-19 | 北京第二机床厂有限公司 | The tailstock that surges equipped with pressure adjustment and pressure-display device |
| CN112576920A (en) * | 2019-09-29 | 2021-03-30 | 江苏久维压力容器制造有限公司 | High-pressure gas cylinder with high-pressure gas buffering function valve body |
| CN114112279A (en) * | 2021-11-29 | 2022-03-01 | 国网浙江省电力有限公司电力科学研究院 | Pumped storage power station transformer impact test bed and test method |
| CN115326316A (en) * | 2022-08-16 | 2022-11-11 | 山东奥扬新能源科技股份有限公司 | Differential pressure type air tightness detection device for steel cylinder |
| CN116816567A (en) * | 2023-06-30 | 2023-09-29 | 重庆磐谷动力技术有限公司 | Multi-channel flow control valve group |
| CN116989946A (en) * | 2023-09-27 | 2023-11-03 | 山东美晨工业集团有限公司 | Automobile rubber tube tightness detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117433719A (en) | 2024-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109100086B (en) | Detection clamp for detection device for detecting air tightness of corrugated pipe | |
| CN117433719B (en) | Automobile pipeline tightness detection device | |
| CN110441009A (en) | A kind of car deceleration device shell air tightness detection apparatus | |
| CN101832846B (en) | Workbench for detecting air tightness of air valve | |
| CN214621635U (en) | Air tightness detection tool for balance shaft frame | |
| CN116448345B (en) | Device and method for testing air tightness of composite metal flange gasket | |
| CN219121868U (en) | Pipeline resistance to compression detects uses plugging device | |
| CN217505134U (en) | Sealing test device of bellows | |
| CN116989946A (en) | Automobile rubber tube tightness detection device | |
| CN110044590B (en) | Metal bellows fatigue life test device for vacuum interrupter | |
| CN109141758B (en) | Air spring air tightness inspection device and inspection method | |
| CN115683821A (en) | Plugging device and method for pipeline compression resistance detection | |
| CN217716810U (en) | Airtightness detection device for hydraulic cylinder | |
| CN100480558C (en) | Movable vacuum apparatus | |
| CN112444475B (en) | Testing system for simulating permeability of local pressurized gas of tight rock and working method thereof | |
| CN211452845U (en) | Fatigue life experimental device for combined bearing | |
| CN209198010U (en) | A kind of air tightness detection apparatus | |
| CN109029870B (en) | End cover of ball valve | |
| CN218411560U (en) | Efficient sliding valve air tightness test bed | |
| KR100382297B1 (en) | Smart Impact Tester | |
| CN116879038A (en) | Explosion-proof compression resistance testing equipment and testing method for temperature control angle valve | |
| CN219796935U (en) | Pressure pipeline detection device | |
| CN117268801B (en) | Multifunctional detection equipment for automobile wheels | |
| CN220660643U (en) | Pneumatic clamping device for remote-transmission diaphragm seal differential pressure transmitter calibration | |
| CN219200737U (en) | Air tightness detection device for pneumatic element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240222 Address after: 262200 No. 330 Zhufeng street, Zhucheng Economic Development Zone, Weifang City, Shandong Province Applicant after: Weifang Engineering Technician College Country or region after: China Applicant after: SHANDONG MEICHEN INDUSTRIAL GROUP CO.,LTD. Address before: No. 12001, Mizhou East Road, Zhucheng City, Weifang City, Shandong Province 262200 Applicant before: SHANDONG MEICHEN INDUSTRIAL GROUP CO.,LTD. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |