CN201417206Y - Engine cylinder cover valve leakage testing device - Google Patents

Engine cylinder cover valve leakage testing device Download PDF

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Publication number
CN201417206Y
CN201417206Y CN2009201093084U CN200920109308U CN201417206Y CN 201417206 Y CN201417206 Y CN 201417206Y CN 2009201093084 U CN2009201093084 U CN 2009201093084U CN 200920109308 U CN200920109308 U CN 200920109308U CN 201417206 Y CN201417206 Y CN 201417206Y
Authority
CN
China
Prior art keywords
sealing
cylinder
cylinder cover
air
clamp
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.)
Expired - Lifetime
Application number
CN2009201093084U
Other languages
Chinese (zh)
Inventor
王德生
宋朝瑞
刘定瑞
张顺成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Beinei Diesel Engine Co Ltd
Original Assignee
Beijing Beinei Diesel Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Beinei Diesel Engine Co Ltd filed Critical Beijing Beinei Diesel Engine Co Ltd
Priority to CN2009201093084U priority Critical patent/CN201417206Y/en
Application granted granted Critical
Publication of CN201417206Y publication Critical patent/CN201417206Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an engine cylinder cover valve leakage testing device. The device comprises a clamp base; a sealing device for sealing the spherical surface of a cylinder cover, a clamping device for clamping the cylinder cover, and a pneumatic measuring instrument for detecting the air tightness of an inlet valve and an exhaust valve of the cylinder cover are mounted on the clamp base; the sealing device comprises a sealing spherical surface closely jointed with the spherical surface of the cylinder cover, and a sealing tray vertically mounted on the base of the clamp body; an inlet valve seat and an exhaust valve seat capable of being pumped with compressed air and corresponding to the inlet valve and the exhaust valve of the cylinder cover are arranged in the sealing spherical surface; and the sealing spherical surface is fixed on the sealing tray through screws. The device is used for detecting the air tightness of the engine cylinder cover valve, and has the advantages of convenient and quick use, and high detection efficiency.

Description

Engine cylinder cover valve leakage testing device
Technical field
The utility model relates to a kind of engine cylinder cover valve leakage testing device, relates generally to the detection of engine cylinder cover valve sealing.
Background technology
In the manufacturing of diesel engine, between valve on the cylinder head and the valve seating seal request is arranged, and the quality of its sealing property directly has influence on the complete machine performance of internal combustion engine, therefore extremely important to the detection of cylinder head valve sealing.Traditional method is to adopt the kerosene osmosis to detect; not only long, the also inconvenience of operation of spended time of this method; and a large amount of kerosene of the little height of needs; cause energy dissipation; simultaneously also polluted environment, in addition, the kerosene osmosis is not accurate enough; and be subjected to the influence of operator's subjective judgement, therefore erroneous judgement, the phenomenon of failing to judge occur through regular meeting.
The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of engine cylinder cover valve leakage testing device, and this device is easy to use, quick, efficient is high, pollution-free, and energy savings.
The utility model realizes that the technical scheme of above-mentioned purpose is:
A kind of engine cylinder cover valve leakage testing device, comprise clamp base, the packoff that is used to seal the cylinder cap sphere, the air-gauge that is used to clamp the clamp device of cylinder cap and is used to detect cylinder cap inlet and outlet door sealing are installed on the described clamp base, described packoff comprises sealing sphere that can fit tightly with the cylinder cap sphere and the sealing pallet that vertically is installed in the clamp body base, establish the feed compressed-air actuated inlet and outlet gate seat corresponding with cylinder cap inlet and outlet door in the described sealing sphere, described sealing sphere is fixed on the described sealing pallet by screw.
Described sealing sphere is other can be provided with straight pin and the rhombus pin that is used to locate described cylinder cap.
Described clamp device can comprise pull bar and cylinder, the fixedly connected connecting rod of the piston rod of described cylinder, the two ends of described connecting rod connect a pull bar respectively, and an end of described pull bar and an end of described connecting rod are hinged, and the other end of described pull bar is provided with the hook plate that is used to compress cylinder cap.
Described cylinder is generally horizontal cylinder.
Described cylinder can be provided with the air valve switch that is used for the control cylinder motion.
The upper end of described sealing pallet can be provided with the pore that is used to connect air-gauge, and described air-gauge links to each other by flexible pipe with described pore.
Described air-gauge is installed on the described clamp base by strut fixation usually.
Because this device is equipped with the sealing sphere that matches with cylinder head fuel chambers sphere, and position cylinder cap with straight pin, rhombus pin, cylinder cap is accurately positioned in the leakage testing device, under the driving of cylinder, lever is pressed on cylinder cap on the sealing sphere, has improved the sealing of cylinder cap with the sealing sphere, be used by air-gauge, detect quick, accurate, simple to operate, and pollution-free, can also energy savings.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of engine cylinder cover valve leakage testing device, comprise clamp base 1, the packoff that is used to seal cylinder cap 6 spheres is installed on the described clamp base, be used to clamp the clamp device of cylinder cap and be used to detect cylinder cap, the air-gauge 3 of exhaust valve sealing, described packoff comprises sealing sphere 2 that can fit tightly with the cylinder cap sphere and the sealing pallet 4 that vertically is installed in the clamp body base, establish with cylinder cap in the described sealing sphere, feeding of exhaust valve correspondence compressed-air actuatedly advanced, exhaust valve seat, described sealing sphere is fixed on the described sealing pallet by screw.Described sealing sphere silicon rubber is that material is made, and helps to improve sealing.Described inlet and outlet door and described cylinder cap sphere constitute space angle usually, and be infeasible with flat seal, must seal with the sealing sphere that adapts with it.
Described sealing sphere is other can be provided with straight pin and the rhombus pin that is used to locate described cylinder cap, makes measurement more accurate.
Described clamp device can comprise pull bar and cylinder 7, the fixedly connected connecting rod 8 of the piston rod of described cylinder, the two ends of described connecting rod connect a pull bar respectively, and an end of described pull bar and an end of described connecting rod are hinged, and the other end of described pull bar is provided with the hook plate that is used to compress cylinder cap.Described cylinder is generally horizontal cylinder.Described cylinder can be provided with the air valve switch that is used for the control cylinder motion.Come the control cylinder piston motion by the air valve switch, the connecting rod that is connected on the piston rod drives pull bar, and the hook plate on the pull bar compresses or unclamps cylinder cap.
The upper end of described sealing pallet can be provided with the pore 5 that is used to connect air-gauge, and described air-gauge links to each other by flexible pipe with described pore, and described pore communicates with pore on the valve seating of sealing in the sphere.Described air-gauge is fixedly mounted on the described clamp base by pole 9 usually.
Used air-gauge can be the float type air-gauge, make pressure gas remain on the pressure stable value by the cylinder head master body, buoy is adjusted to zero-bit, and the buoy of definite pieces O.K. permission domain of walker, unload master body then, change cylinder head to be measured, duplicate detection is observed air-gauge in the same stable force value target levitation position of floating downward, as in allowed band, it is qualified then to be judged to, otherwise is defective.
During test by the pore of the inlet and outlet gate seat of sealing on the sphere, feed pressurized air after, check the sealing of valve and valve seating accurately with air-gauge, can check the sealing of head valve like this, the performance of assurance diesel engine.

Claims (7)

1, a kind of engine cylinder cover valve leakage testing device, it is characterized in that comprising clamp base, the packoff that is used to seal the cylinder cap sphere is installed on the described clamp base, be used to clamp the clamp device of cylinder cap and be used to detect cylinder cap, the air-gauge of exhaust valve sealing, described packoff comprises sealing sphere that can fit tightly with the cylinder cap sphere and the sealing pallet that vertically is installed in the clamp body base, establish with cylinder cap in the described sealing sphere, feeding of exhaust valve correspondence compressed-air actuatedly advanced, exhaust valve seat, described sealing sphere is fixed on the described sealing pallet by screw.
2, engine cylinder cover valve leakage testing device according to claim 1 is characterized in that other straight pin and the rhombus pin that is used to locate described cylinder cap that be provided with of described sealing sphere.
3, engine cylinder cover valve leakage testing device as claimed in claim 1 or 2, it is characterized in that described clamp device comprises cylinder, the fixedly connected connecting rod of the piston rod of described cylinder, the two ends of described connecting rod connect a pull bar respectively, one end of described pull bar and an end of described connecting rod are hinged, and the other end of described pull bar is provided with the hook plate that is used to compress cylinder cap.
4, as engine cylinder cover valve leakage testing device as described in the claim 3, it is characterized in that described cylinder is a horizontal cylinder.
5,, it is characterized in that described cylinder is provided with the air valve switch that is used for the control cylinder motion as engine cylinder cover valve leakage testing device as described in the claim 4.
6, engine cylinder cover valve leakage testing device according to claim 1 is characterized in that the upper end of described sealing pallet is provided with the pore that is used to connect air-gauge, and described air-gauge links to each other by flexible pipe with described pore.
7, as engine cylinder cover valve leakage testing device as described in the claim 6, it is characterized in that described air-gauge is installed on the described clamp base by strut fixation.
CN2009201093084U 2009-06-23 2009-06-23 Engine cylinder cover valve leakage testing device Expired - Lifetime CN201417206Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201093084U CN201417206Y (en) 2009-06-23 2009-06-23 Engine cylinder cover valve leakage testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201093084U CN201417206Y (en) 2009-06-23 2009-06-23 Engine cylinder cover valve leakage testing device

Publications (1)

Publication Number Publication Date
CN201417206Y true CN201417206Y (en) 2010-03-03

Family

ID=41793630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201093084U Expired - Lifetime CN201417206Y (en) 2009-06-23 2009-06-23 Engine cylinder cover valve leakage testing device

Country Status (1)

Country Link
CN (1) CN201417206Y (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102680184A (en) * 2012-05-03 2012-09-19 苏州金牛精密机械有限公司 Fixture for detecting air leakage of motor
CN103335191A (en) * 2013-06-18 2013-10-02 天津卡达克汽车高新技术公司 Novel exhaust system airtightness detection clamp
CN103335790A (en) * 2013-07-16 2013-10-02 江苏博众汽车部件有限公司 Gas tightness testing equipment
CN104390790A (en) * 2014-12-15 2015-03-04 重庆健森动力机械有限公司 Pneumatic clamping device for detecting and positioning engine of motorcycle
CN104677563A (en) * 2013-08-12 2015-06-03 芜湖永裕汽车工业有限公司 Air tightness detecting method for air passage of engine cylinder head
CN104865010A (en) * 2015-05-07 2015-08-26 中国重汽集团济南动力有限公司 Engine air cylinder sealing performance test method and system
CN105403368A (en) * 2015-12-07 2016-03-16 江苏沃得机电集团有限公司 Sealing testing machine especially for valve conical surface
CN105588686A (en) * 2016-02-04 2016-05-18 宁波恒元精工管阀科技有限公司 Testing device for testing sealing effect of large-aperture ball valve

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102680184A (en) * 2012-05-03 2012-09-19 苏州金牛精密机械有限公司 Fixture for detecting air leakage of motor
CN103335191A (en) * 2013-06-18 2013-10-02 天津卡达克汽车高新技术公司 Novel exhaust system airtightness detection clamp
CN103335790A (en) * 2013-07-16 2013-10-02 江苏博众汽车部件有限公司 Gas tightness testing equipment
CN104677563B (en) * 2013-08-12 2017-03-01 芜湖永裕汽车工业有限公司 A kind of engine cylinder cover air flue air-tightness detection method
CN104677563A (en) * 2013-08-12 2015-06-03 芜湖永裕汽车工业有限公司 Air tightness detecting method for air passage of engine cylinder head
CN104390790B (en) * 2014-12-15 2017-01-18 重庆健森动力机械有限公司 Pneumatic clamping device for detecting and positioning engine of motorcycle
CN104390790A (en) * 2014-12-15 2015-03-04 重庆健森动力机械有限公司 Pneumatic clamping device for detecting and positioning engine of motorcycle
CN104865010A (en) * 2015-05-07 2015-08-26 中国重汽集团济南动力有限公司 Engine air cylinder sealing performance test method and system
CN105403368A (en) * 2015-12-07 2016-03-16 江苏沃得机电集团有限公司 Sealing testing machine especially for valve conical surface
CN105588686A (en) * 2016-02-04 2016-05-18 宁波恒元精工管阀科技有限公司 Testing device for testing sealing effect of large-aperture ball valve
CN105588686B (en) * 2016-02-04 2018-04-10 宁波恒元精工管阀科技有限公司 A kind of testing equipment for testing big-diameter ball valve sealing effectiveness

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CX01 Expiry of patent term

Granted publication date: 20100303

CX01 Expiry of patent term