CN112857704B - Engine cylinder tightness detection device - Google Patents
Engine cylinder tightness detection device Download PDFInfo
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- CN112857704B CN112857704B CN202110220443.1A CN202110220443A CN112857704B CN 112857704 B CN112857704 B CN 112857704B CN 202110220443 A CN202110220443 A CN 202110220443A CN 112857704 B CN112857704 B CN 112857704B
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- 238000001514 detection method Methods 0.000 title claims abstract description 127
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 230000035939 shock Effects 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 239000011358 absorbing material Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
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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
- G01M3/26—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
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- 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
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Abstract
The invention discloses an engine cylinder tightness detection device, belongs to the technical field of cylinder detection, and solves the problems that when the existing device works, a cylinder body works to generate a large amount of noise, so that the external environment is polluted; the technical characteristics are that: the device comprises a shock absorption seat, wherein a detection box is fixedly arranged on the shock absorption seat, a detection component is arranged in the detection box, an air bag component is arranged on the right side of the detection component, the air bag component is communicated with the detection component through an air inlet pipe, and a noise reduction component for reducing noise is arranged outside the detection component; the embodiment of the invention is provided with the noise reduction assembly, and the noise reduction assembly plays a role in noise reduction and noise reduction, so that noise generated during the operation of the detection assembly is prevented from polluting the external environment, the effect of protecting detection personnel is also played, and the buffer assembly realizes the buffer protection of the inner sealing cover, so that the inner sealing cover is prevented from being damaged, and the service life of the detection assembly is prolonged.
Description
Technical Field
The invention relates to the technical field of cylinder detection, in particular to an engine cylinder tightness detection device.
Background
At present, most of air cylinders used in the market are unidirectional air inlet air cylinders, and when the air cylinders are used, air leakage can occur, when the air cylinders are in air leakage, insufficient air supply of the air cylinders can be caused, the air pressure is too low, when the air cylinders are required to be out of air, the air cylinders cannot work, the danger is high, and the air supply efficiency is too low.
Chinese patent CN205300855U discloses a cylinder gas tightness detection device, including detector, detection platform, place the platform, flexible cylinder and cylinder body, the detection bench on place the detector, be provided with the detection lamp on the detector, detection platform below is provided with places the platform, places the platform both sides and is fixed with flexible cylinder, all is provided with flexible pipe on the flexible cylinder, all is provided with extension trachea and shrink trachea on two flexible cylinders, is provided with the gas-supply pipe on the flexible pipe of flexible cylinder of one side, places bench and is provided with mount and fixed block, the cylinder body is placed on mount and fixed block, but the device during operation, the cylinder body work can produce a large amount of noise, leads to polluting external environment, consequently, we propose an engine cylinder leakproofness detection device.
Disclosure of Invention
The invention aims to provide an engine cylinder tightness detection device which comprises a shock absorption seat, wherein a detection box is fixedly arranged on the shock absorption seat, a detection component is arranged in the detection box, an air bag component is arranged on the right side of the detection component and is communicated with the detection component through an air inlet pipe, and a noise reduction component for reducing noise is arranged outside the detection component so as to solve the problem that when the traditional device works, a cylinder body works to generate a large amount of noise, and the external environment is polluted.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an engine cylinder leakproofness detection device, includes the shock mount, fixed mounting has the detection case on the shock mount, is provided with the detection subassembly in the detection case, and the right side of detection subassembly is provided with the gasbag subassembly, and the gasbag subassembly passes through intake pipe and detection subassembly intercommunication, and the outside of detection subassembly is provided with the subassembly of making an uproar that falls that is used for making an uproar.
As a further scheme of the invention: the gasbag subassembly includes the gasbag, the symmetry is installed two safety covers that are used for fixed gasbag position on the gasbag, the bilateral symmetry of safety cover is connected with two mount pads, the mount pad passes through the lateral wall fixed connection of bolt and shock absorber seat, the safety cover adopts the elastomer material, the safety cover is inside hollow ring column structure, circumference is provided with a plurality of vertical logical grooves on the safety cover, vertical logical inslot packing sound absorbing material, and sound absorbing material is heliciform structure, the left side of gasbag is provided with the air pump, gasbag and air pump intercommunication, first solenoid valve is installed to the gas vent of gasbag, and first solenoid valve and intake pipe intercommunication.
As still further aspects of the invention: the detection assembly comprises an outer sealing cover and an inner sealing cover, wherein the inner sealing cover is fixedly arranged in the outer sealing cover, an outer cavity is arranged between the outer sealing cover and the inner sealing cover, a detection cavity is arranged in the inner sealing cover, an inner cavity is arranged between the inner sealing cover and the detection cavity, a second electromagnetic valve is arranged at the center of the upper surface of the inner sealing cover, an exhaust pipe is connected with the second electromagnetic valve, and one end, far away from the second electromagnetic valve, of the exhaust pipe penetrates through the upper surface of the outer sealing cover and extends into the detection box.
As still further aspects of the invention: the inner cavity is internally provided with a plurality of second detectors for detecting the air pressure in the inner cavity, the top of the detection cavity is fixedly provided with a first detector for detecting the air pressure in the detection cavity, the first detector and the second detector are respectively and electrically connected with a PLC controller, and the PLC controller is electrically connected with a storage battery.
As still further aspects of the invention: the detection cavity is internally provided with a piston plate, the lower part of the detection cavity is provided with a cylinder main body, the bottom of the cylinder main body is fixed on the bottom surface of the inner sealing cover, and the telescopic end of the cylinder main body is fixedly connected with the piston plate.
As still further aspects of the invention: the outer sealing cover and the inner sealing cover are provided with a buffer assembly for protecting the inner sealing cover, the buffer assembly comprises a buffer cushion and a base, the buffer cushion is longitudinally arranged in a plurality, the buffer cushion is fixedly sleeved outside the inner sealing cover, the buffer cushion is fixedly connected with the base through a bolt, the middle part of the inner cavity is fixedly provided with a sealing ring, the sealing ring is sleeved outside the detection cavity, and a plurality of diversion trenches are uniformly distributed on the sealing ring.
As still further aspects of the invention: the noise reduction assembly comprises a noise reduction seat, the bottom of the noise reduction seat is fixed on the bottom surface of the detection box, two limit seats are symmetrically arranged on two sides of the noise reduction seat, a plurality of noise reduction cavities are longitudinally arranged in the limit seats, the noise reduction cavities are of inverted horn-shaped structures, the noise reduction cavities are fixedly connected with buffer springs, and the other ends of the buffer springs are fixedly connected with the side walls of the limit seats.
In summary, the beneficial effects of the invention are as follows: the embodiment of the invention is provided with the noise reduction assembly, and the noise reduction assembly plays a role in noise reduction and noise reduction, so that noise generated during the operation of the detection assembly is prevented from polluting the external environment, the effect of protecting detection personnel is also played, and the buffer assembly realizes the buffer protection of the inner sealing cover, so that the inner sealing cover is prevented from being damaged, and the service life of the detection assembly is prolonged.
Drawings
Fig. 1 is a schematic diagram of the structure of the invention.
Fig. 2 is a schematic structural view of a base in the invention.
FIG. 3 is a schematic structural view of the seal ring of the present invention.
Fig. 4 is a schematic structural diagram of a noise reduction seat according to the present invention.
Fig. 5 is a schematic diagram of a noise reduction assembly according to the present invention.
In the figure: 1-shock-absorbing seat, 2-detection box, 3-gasbag, 4-safety cover, 5-air pump, 6-first solenoid valve, 7-intake pipe, 8-outer sealed cowling, 9-second solenoid valve, 10-blast pipe, 11-first detector, 12-piston board, 13-sealing ring, 14-guiding gutter, 15-fall chamber, 16-outer chamber, 17-inner chamber, 18-detection chamber, 19-blotter, 20-base, 21-cylinder main part, 22-fall seat, 23-spacing seat, 24-buffer spring, 25-inner sealed cowling, 26-second detector.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, in the embodiment of the invention, an engine cylinder tightness detection device comprises a shock absorption seat 1, wherein a detection box 2 is fixedly arranged on the shock absorption seat 1, a detection component is arranged in the detection box 2, an air bag component is arranged on the right side of the detection component, the air bag component is communicated with the detection component through an air inlet pipe 7, and a noise reduction component for noise reduction is arranged outside the detection component;
the airbag assembly comprises an airbag 3, two protective covers 4 for fixing the position of the airbag 3 are symmetrically arranged on the airbag 3, two mounting seats are symmetrically connected to two sides of the protective cover 4, the mounting seats are fixedly connected with the side wall of the shock absorption seat 1 through bolts, and the protective cover 4 is made of an elastomer material;
the protection cover 4 is of a hollow circular ring-shaped structure, a plurality of vertical through grooves are circumferentially arranged on the protection cover 4, sound-absorbing materials are filled in the vertical through grooves, the sound-absorbing materials are one of environment-friendly sound-absorbing cotton or high-pressure polyethylene closed foam heat-insulating materials, and the sound-absorbing materials are of a spiral structure;
the arrangement of the protection cover 4 plays a role in noise reduction, and meanwhile, the sound-absorbing material adopts a spiral structure to increase the contact area between noise and the sound-absorbing material, so that the noise reduction efficiency is improved, and a large amount of noise generated when the air bag 3 works is avoided;
the left side of gasbag 3 is provided with air pump 5, and gasbag 3 and air pump 5 intercommunication, and first solenoid valve 6 is installed to the gas vent of gasbag 3, and first solenoid valve 6 and intake pipe 7 intercommunication.
The detection assembly comprises an outer sealing cover 8 and an inner sealing cover 25, wherein the inner sealing cover 25 is fixedly arranged in the outer sealing cover 8, an outer cavity 16 is arranged between the outer sealing cover 8 and the inner sealing cover 25, a detection cavity 18 is arranged in the inner sealing cover 25, an inner cavity 17 is arranged between the inner sealing cover 25 and the detection cavity 18, a second electromagnetic valve 9 is arranged in the center of the upper surface of the inner sealing cover 25, the second electromagnetic valve 9 is connected with an exhaust pipe 10, and one end of the exhaust pipe 10, far away from the second electromagnetic valve 9, penetrates through the upper surface of the outer sealing cover 8 and extends into the detection box 2;
a plurality of second detectors 26 for detecting the air pressure in the inner cavity 17 are arranged in the inner cavity 17, a first detector 11 for detecting the air pressure in the inner cavity 18 is fixedly arranged at the top of the inner cavity 18, the first detector 11 and the second detector 26 are respectively and electrically connected with a PLC controller, and the PLC controller is electrically connected with a storage battery;
when the air cylinder air tightness detection device is used, the first detector 11 and the second detector 26 can be started through the PLC controller, so that the real-time detection of the air pressure in the detection cavity 18 and the air pressure in the inner cavity 17 is realized, the air cylinder air tightness is conveniently detected, and meanwhile, the air pump 5, the first electromagnetic valve 6 and the second electromagnetic valve 9 are respectively and electrically connected with the PLC controller;
a piston plate 12 is arranged in the detection cavity 18, a cylinder main body 21 is arranged below the detection cavity 18, the bottom of the cylinder main body 21 is fixed on the bottom surface of the inner sealing cover 25, and the telescopic end of the cylinder main body 21 is fixedly connected with the piston plate 12;
as shown in fig. 2, a buffer assembly for protecting the inner sealing cover 25 is arranged between the outer sealing cover 8 and the inner sealing cover 25, the buffer assembly comprises a buffer cushion 19 and a base 20, a plurality of buffer cushions 19 are longitudinally arranged, the buffer cushions 19 are fixedly sleeved outside the inner sealing cover 25, and the buffer cushions 19 are fixedly connected with the base 20 through bolts;
the buffer assembly is arranged to realize buffer protection of the inner sealing cover 25, so that the inner sealing cover 25 is prevented from being damaged, and the service life of the detection assembly is prolonged;
as shown in fig. 3, the sealing ring 13 is fixedly installed in the middle of the inner cavity 17, the sealing ring 13 is sleeved outside the detection cavity 18, a plurality of diversion trenches 14 are uniformly distributed on the sealing ring 13, and the sealing ring 13 and the diversion trenches 14 cooperate to conveniently detect the air pressure fluctuation in the inner cavity 17 in time, so that the detection accuracy is improved.
Example 2
As shown in fig. 1, in the embodiment of the invention, an engine cylinder tightness detection device comprises a shock absorption seat 1, wherein a detection box 2 is fixedly arranged on the shock absorption seat 1, a detection component is arranged in the detection box 2, an air bag component is arranged on the right side of the detection component, the air bag component is communicated with the detection component through an air inlet pipe 7, and a noise reduction component for noise reduction is arranged outside the detection component;
the airbag assembly comprises an airbag 3, two protective covers 4 for fixing the position of the airbag 3 are symmetrically arranged on the airbag 3, two mounting seats are symmetrically connected to two sides of the protective cover 4, the mounting seats are fixedly connected with the side wall of the shock absorption seat 1 through bolts, and the protective cover 4 is made of an elastomer material;
the protection cover 4 is of a hollow circular ring-shaped structure, a plurality of vertical through grooves are circumferentially arranged on the protection cover 4, sound-absorbing materials are filled in the vertical through grooves, the sound-absorbing materials are one of environment-friendly sound-absorbing cotton or high-pressure polyethylene closed foam heat-insulating materials, and the sound-absorbing materials are of a spiral structure;
the arrangement of the protection cover 4 plays a role in noise reduction, and meanwhile, the sound-absorbing material adopts a spiral structure to increase the contact area between noise and the sound-absorbing material, so that the noise reduction efficiency is improved, and a large amount of noise generated when the air bag 3 works is avoided;
the left side of gasbag 3 is provided with air pump 5, and gasbag 3 and air pump 5 intercommunication, and first solenoid valve 6 is installed to the gas vent of gasbag 3, and first solenoid valve 6 and intake pipe 7 intercommunication.
The detection assembly comprises an outer sealing cover 8 and an inner sealing cover 25, wherein the inner sealing cover 25 is fixedly arranged in the outer sealing cover 8, an outer cavity 16 is arranged between the outer sealing cover 8 and the inner sealing cover 25, a detection cavity 18 is arranged in the inner sealing cover 25, an inner cavity 17 is arranged between the inner sealing cover 25 and the detection cavity 18, a second electromagnetic valve 9 is arranged in the center of the upper surface of the inner sealing cover 25, the second electromagnetic valve 9 is connected with an exhaust pipe 10, and one end of the exhaust pipe 10, far away from the second electromagnetic valve 9, penetrates through the upper surface of the outer sealing cover 8 and extends into the detection box 2;
a plurality of second detectors 26 for detecting the air pressure in the inner cavity 17 are arranged in the inner cavity 17, a first detector 11 for detecting the air pressure in the inner cavity 18 is fixedly arranged at the top of the inner cavity 18, the first detector 11 and the second detector 26 are respectively and electrically connected with a PLC controller, and the PLC controller is electrically connected with a storage battery;
when the air cylinder air tightness detection device is used, the first detector 11 and the second detector 26 can be started through the PLC controller, so that the real-time detection of the air pressure in the detection cavity 18 and the air pressure in the inner cavity 17 is realized, the air cylinder air tightness is conveniently detected, and meanwhile, the air pump 5, the first electromagnetic valve 6 and the second electromagnetic valve 9 are respectively and electrically connected with the PLC controller;
a piston plate 12 is arranged in the detection cavity 18, a cylinder main body 21 is arranged below the detection cavity 18, the bottom of the cylinder main body 21 is fixed on the bottom surface of the inner sealing cover 25, and the telescopic end of the cylinder main body 21 is fixedly connected with the piston plate 12;
as shown in fig. 2, a buffer assembly for protecting the inner sealing cover 25 is arranged between the outer sealing cover 8 and the inner sealing cover 25, the buffer assembly comprises a buffer cushion 19 and a base 20, a plurality of buffer cushions 19 are longitudinally arranged, the buffer cushions 19 are fixedly sleeved outside the inner sealing cover 25, and the buffer cushions 19 are fixedly connected with the base 20 through bolts;
the buffer assembly is arranged to realize buffer protection of the inner sealing cover 25, so that the inner sealing cover 25 is prevented from being damaged, and the service life of the detection assembly is prolonged;
as shown in fig. 3, the sealing ring 13 is fixedly installed in the middle of the inner cavity 17, the sealing ring 13 is sleeved outside the detection cavity 18, a plurality of diversion trenches 14 are uniformly distributed on the sealing ring 13, and the sealing ring 13 and the diversion trenches 14 cooperate to conveniently detect the air pressure fluctuation in the inner cavity 17 in time, so that the detection accuracy is improved.
As shown in fig. 4-5, the noise reduction assembly comprises a noise reduction seat 22, the bottom of the noise reduction seat 22 is fixed on the bottom surface of the detection box 2, two limit seats 23 are symmetrically arranged on two sides of the noise reduction seat 22, a plurality of noise reduction cavities 15 are longitudinally arranged in the limit seats 23, the noise reduction cavities 15 are of inverted horn-shaped structures, the noise reduction cavities 15 are fixedly connected with buffer springs 24, and the other ends of the buffer springs 24 are fixedly connected with the side walls of the limit seats 23;
the setting of the subassembly of making an uproar falls has played the effect of making an uproar amortization of making an uproar to avoided the noise pollution external environment that the detection component during operation produced, also played the effect of protection detection personnel.
When the air pump is used, the air pump 5 is started, the air pump 5 respectively injects the air in the air bag 3 into the outer cavity 16, the inner cavity 17 and the detection cavity 18 through the air inlet pipe 7, then the pressures in the outer cavity 16, the inner cavity 17 and the detection cavity 18 are continuously regulated through the first electromagnetic valve 6, meanwhile, the first detector 11 and the second detector 26 are started, the pressures in the inner cavity 17 and the detection cavity 18 are detected in real time, after the detection is finished, the second electromagnetic valve 9 is started, and the air in the outer cavity 16, the inner cavity 17 and the detection cavity 18 is discharged through the second electromagnetic valve 9.
In summary, the working principle of the invention is as follows: when the air pump is used, the air pump 5 is started, the air pump 5 respectively injects the air in the air bag 3 into the outer cavity 16, the inner cavity 17 and the detection cavity 18 through the air inlet pipe 7, then the pressures in the outer cavity 16, the inner cavity 17 and the detection cavity 18 are continuously regulated through the first electromagnetic valve 6, simultaneously the first detector 11 and the second detector 26 are started, the pressures in the inner cavity 17 and the detection cavity 18 are detected in real time, after the detection is finished, the second electromagnetic valve 9 is started, and the air in the outer cavity 16, the inner cavity 17 and the detection cavity 18 is discharged through the second electromagnetic valve 9;
the setting of the subassembly of making an uproar falls has played the effect of making an uproar amortization of making an uproar to avoided the noise pollution external environment that the detection component during operation produced, also played the effect of protection detection personnel.
When the air cylinder air tightness detection device is used, the first detector 11 and the second detector 26 can be started through the PLC controller, so that the air pressure in the detection cavity 18 and the air pressure in the inner cavity 17 are detected in real time, the air cylinder air tightness is conveniently detected, and meanwhile the PLC controller is electrically connected with the air pump 5, the first electromagnetic valve 6 and the second electromagnetic valve 9 respectively.
The embodiment of the invention is provided with the noise reduction assembly, the noise reduction assembly plays a role in noise reduction and noise reduction, so that noise generated during the operation of the detection assembly is prevented from polluting the external environment, the detection personnel is protected, the buffer assembly realizes the buffer protection of the inner sealing cover 25, the inner sealing cover 25 is prevented from being damaged, and the service life of the detection assembly is prolonged.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides an engine cylinder leakproofness detection device, includes shock mount (1), and fixed mounting has detection case (2) on shock mount (1), and characterized in that is provided with the detection subassembly in detection case (2), and the right side of detection subassembly is provided with the gasbag subassembly, and the gasbag subassembly communicates with the detection subassembly through intake pipe (7), and the outside of detection subassembly is provided with the subassembly of making an uproar that falls that is used for making an uproar;
the air bag assembly comprises an air bag (3), two protection covers (4) for fixing the position of the air bag (3) are symmetrically arranged on the air bag (3), two installation seats are symmetrically connected to two sides of the protection cover (4), the installation seats are fixedly connected with the side wall of the shock absorption seat (1) through bolts, and the protection cover (4) is made of elastomer materials;
the protective cover (4) is of a circular ring-shaped structure with a hollow inside, a plurality of vertical through grooves are circumferentially arranged on the protective cover (4), sound absorbing materials are filled in the vertical through grooves, and the sound absorbing materials are of a spiral structure;
an air pump (5) is arranged on the left side of the air bag (3), the air bag (3) is communicated with the air pump (5), a first electromagnetic valve (6) is arranged at an air outlet of the air bag (3), and the first electromagnetic valve (6) is communicated with an air inlet pipe (7);
the detection assembly comprises an outer sealing cover (8) and an inner sealing cover (25), wherein the inner sealing cover (25) is fixedly arranged in the outer sealing cover (8), an outer cavity (16) is arranged between the outer sealing cover (8) and the inner sealing cover (25), a detection cavity (18) is arranged in the inner sealing cover (25), an inner cavity (17) is arranged between the inner sealing cover (25) and the detection cavity (18), a second electromagnetic valve (9) is arranged in the center of the upper surface of the inner sealing cover (25), the second electromagnetic valve (9) is connected with an exhaust pipe (10), and one end, far away from the second electromagnetic valve (9), of the exhaust pipe (10) penetrates through the upper surface of the outer sealing cover (8) and extends into the detection box (2);
the noise reduction assembly comprises a noise reduction seat (22), the bottom of the noise reduction seat (22) is fixed on the bottom surface of the detection box (2), two limit seats (23) are symmetrically arranged on two sides of the noise reduction seat (22), a plurality of noise reduction cavities (15) are longitudinally arranged in the limit seats (23), the noise reduction cavities (15) are of inverted horn-shaped structures, the noise reduction cavities (15) are fixedly connected with buffer springs (24), and the other ends of the buffer springs (24) are fixedly connected with the side walls of the limit seats (23).
2. The engine cylinder tightness detection device according to claim 1, wherein a plurality of second detectors (26) for detecting the air pressure in the inner cavity (17) are arranged in the inner cavity (17), a first detector (11) for detecting the air pressure in the detection cavity (18) is fixedly arranged at the top of the detection cavity (18), the first detector (11) and the second detector (26) are respectively and electrically connected with a PLC controller, and the PLC controller is electrically connected with a storage battery.
3. The engine cylinder tightness detection device according to claim 2, characterized in that a piston plate (12) is provided in the detection chamber (18), a cylinder body (21) is provided below the detection chamber (18), the bottom of the cylinder body (21) is fixed on the bottom surface of the inner seal cover (25), and the telescopic end of the cylinder body (21) is fixedly connected with the piston plate (12).
4. The engine cylinder tightness detection device according to claim 1, wherein a buffer assembly for protecting the inner seal cover (25) is arranged between the outer seal cover (8) and the inner seal cover (25), the buffer assembly comprises a buffer pad (19) and a base (20), the buffer pad (19) is longitudinally provided with a plurality of buffer pads, the buffer pad (19) is fixedly sleeved outside the inner seal cover (25), and the buffer pad (19) is fixedly connected with the base (20) through bolts.
5. The engine cylinder tightness detection device according to claim 4, wherein a sealing ring (13) is fixedly arranged in the middle of the inner cavity (17), the sealing ring (13) is sleeved outside the detection cavity (18), and a plurality of diversion trenches (14) are uniformly distributed on the sealing ring (13).
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| CN202110220443.1A CN112857704B (en) | 2021-02-26 | 2021-02-26 | Engine cylinder tightness detection device |
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| CN202110220443.1A CN112857704B (en) | 2021-02-26 | 2021-02-26 | Engine cylinder tightness detection device |
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| CN112857704B true CN112857704B (en) | 2023-05-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918040A (en) * | 2018-07-10 | 2018-11-30 | 安徽悦众车身装备有限公司 | A kind of detection device of automobile engine cylinder airtightness |
| CN208568211U (en) * | 2018-07-30 | 2019-03-01 | 江西江铃汽车集团实业有限公司 | One kind remanufacturing engine cylinder block air tightness tester |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204645535U (en) * | 2015-02-04 | 2015-09-16 | 重庆房地产职业学院 | Plumbing facility noise reduction process device in a kind of interior decoration engineering |
| CN106706228B (en) * | 2016-12-01 | 2019-04-09 | 重庆速腾机械制造有限公司 | Song body leak-checking apparatus |
| CN209252911U (en) * | 2018-01-08 | 2019-08-16 | 袁卫平 | A kind of Ultrasonography auxiliary examination device |
| CN209727373U (en) * | 2019-04-01 | 2019-12-03 | 南京彤乐仪器设备有限公司 | Mass detector device |
| CN110567649A (en) * | 2019-10-07 | 2019-12-13 | 江西众晶源科技有限公司 | Laser diode sealing cap is with lou examining device |
| CN211877307U (en) * | 2020-03-18 | 2020-11-06 | 郑乐辉 | Gas valve detection device |
| CN112146824A (en) * | 2020-09-27 | 2020-12-29 | 合肥猎知科技有限公司 | Intelligent detection system for construction curtain wall engineering quality |
-
2021
- 2021-02-26 CN CN202110220443.1A patent/CN112857704B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918040A (en) * | 2018-07-10 | 2018-11-30 | 安徽悦众车身装备有限公司 | A kind of detection device of automobile engine cylinder airtightness |
| CN208568211U (en) * | 2018-07-30 | 2019-03-01 | 江西江铃汽车集团实业有限公司 | One kind remanufacturing engine cylinder block air tightness tester |
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| CN112857704A (en) | 2021-05-28 |
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Effective date of registration: 20240422 Address after: 262300 Renmin Road East Rizhao Road South (Daguo Village, Xiguo Village 1 #), Wulian County, Rizhao City, Shandong Province Patentee after: Rizhao Hongxin precision parts manufacturing Co.,Ltd. Country or region after: China Address before: No.28, Xueyuan Road, Qingyuan District, Ji'an City, Jiangxi Province Patentee before: JINGGANGSHAN University Country or region before: China |