CN102980728B - A kind of engine cylinder cover carries out the test tool of air valve tightness test - Google Patents
A kind of engine cylinder cover carries out the test tool of air valve tightness test Download PDFInfo
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- CN102980728B CN102980728B CN201210494606.6A CN201210494606A CN102980728B CN 102980728 B CN102980728 B CN 102980728B CN 201210494606 A CN201210494606 A CN 201210494606A CN 102980728 B CN102980728 B CN 102980728B
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- frock
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- rotating mechanism
- supporting plate
- cylinder cap
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Abstract
The present invention relates to the test tool that a kind of engine cylinder cover carries out air valve tightness test, it is characterized in that: this frock described comprises frock framework, road wheel, fuel tank and oil feed pump, the flowline of oil feed pump extends to frock frame upper surface, flowline end is provided with oil-out, the upper surface of frock framework is provided with cylinder cap respectively by front supporting plate and rear supporting plate and rotates clamp system, described cylinder cap rotates clamp system and comprises front rotating mechanism and rear rotating mechanism, the oil drain pan be obliquely installed also is provided with in described frock framework, the lower end of described oil drain pan extends to the oil return opening position of the top of fuel tank.This frock is used to adequately achieve injection and the recovery function of carrying out kerosene in the test of valve leakproofness at cylinder cap, ensure that cylinder cap can realize level in test process, the static state of the angle that stands, is inverted stops, various auxiliary mould meets all kinds, size cylinder cap uses.Thus it is easy for operation to make this test tool have, test effect observe straight to close, use extensively, the advantage such as safety saving.
Description
Technical field
The invention belongs to engine manufacturing technology field, particularly relate to the test tool that a kind of engine cylinder cover carries out air valve tightness test.
Background technology
Engine valve sealing all has a significant impact engine power performance, economy.In engine trial-production and research, after valve of being everlasting is installed, the sealing of valve on cylinder cap sub-unit is tested.What the method for testing adopted usually is pour into kerosene in air flue, after leaving standstill official hour, and the leakage scenarios that range estimation kerosene goes out from valve port.
Summary of the invention
The present invention provides that a kind of structure is simple, easy to install, the engine cylinder cover of accuracy of increasing work efficiency, improve carries out the test tool of air valve tightness test for solving in known technology the technical matters that exists.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is:
A kind of engine cylinder cover carries out the test tool of air valve tightness test, it is characterized in that: this frock described comprises frock framework, the underframe of described frock framework is provided with road wheel, the upper aspect of described underframe is provided with fuel tank, the bottom of fuel tank is provided with fuel outlet, the top of described fuel tank is provided with oil feed pump, the flowline of described oil feed pump extends to frock frame upper surface, flowline end is provided with oil-out, the upper surface of described frock framework is provided with cylinder cap respectively by front supporting plate and rear supporting plate and rotates clamp system, described cylinder cap rotates clamp system and comprises front rotating mechanism and rear rotating mechanism, described front rotating mechanism is arranged on the front end of frock framework, and be connected with front supporting plate by securing member, described rear rotating mechanism is arranged on the rear end of frock framework, and be connected with rear supporting plate by securing member, the oil drain pan be obliquely installed also is provided with in described frock framework, the lower end of described oil drain pan extends to the oil return opening position of the top of fuel tank.
The present invention can also adopt following technical measures:
Described front rotating mechanism comprises the fore-stock be arranged on front supporting plate, rotary handle, rotary flange, mounting flange, rotation pin assembly, front top and shift fork, wherein said shift fork, front top, rotary flange and rotary handle are fixedly installed togather, described rotation pin assembly is arranged on rotary flange, described mounting flange is fixedly mounted on fore-stock, described front top through mounting flange, and rotate with mounting flange.
Described rotation pin assembly comprises register pin, inner sleeve, outer tube, drift bolt and spring, wherein said inner sleeve is fixedly mounted on rotary flange, described register pin is fixed by drift bolt and outer tube, and do rectilinear motion to axial with inner sleeve, described register pin is set with self-locking spring.
Described rear rotating mechanism comprises the after-poppet be arranged in rear supporting plate, back centre, spring, installation sleeve, cover plate drift bolt and eccentric wheel, wherein said installation sleeve is fixedly mounted on after-poppet, described cover plate is fixedly mounted on installation sleeve, described spring housing is contained on back centre, described back centre is through installation sleeve and after-poppet, described eccentric wheel is arranged on the rearward end of back centre by drift bolt, and described eccentric wheel is provided with eccentric wheel handle.
Described oil return opening position is provided with filtrator.
The advantage that the present invention has and good effect are: because the present invention adopts technique scheme, this frock is used to adequately achieve injection and the recovery function of carrying out kerosene in the test of valve leakproofness at cylinder cap, ensure that cylinder cap can realize level in test process, the static state of the angle that stands, is inverted stops, various auxiliary mould meets all kinds, size cylinder cap uses.Thus it is easy for operation to make this test tool have, test effect observe straight to close, use extensively, the advantage such as safety saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is front rotating mechanism structural representation in the present invention;
Fig. 3 is rear rotating mechanism structural representation in the present invention;
Fig. 4 rotates pin assembly structural representation in the present invention.
In figure: 1, frock framework; 2, road wheel; 3, fuel tank; 4, fuel outlet; 5, oil feed pump; 5-1, flowline; 5-2, oil-out; 6, front supporting plate; 7, rear supporting plate; 8, cylinder cap rotates clamp system; 8-1, front rotating mechanism; 8-10, fore-stock; 8-11, rotary handle; 8-12, rotary flange; 8-13, mounting flange; 8-14, rotation pin assembly; 8-14-1, register pin; 8-14-2, inner sleeve; 8-14-3, outer tube; 8-14-4, drift bolt; 8-14-5, spring; 8-15, front top; 8-16, shift fork; 8-2, rear rotating mechanism; 8-21, after-poppet; 8-22, back centre; 8-23, spring; 8-24, installation sleeve; 8-25, cover plate; 8-26, drift bolt; 8-27, eccentric wheel; 8-28, eccentric wheel handle; 9, oil drain pan; 10, filtrator.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 3, a kind of engine cylinder cover carries out the test tool of air valve tightness test, this frock described comprises frock framework 1, the underframe of described frock framework 1 is provided with road wheel 2, the upper aspect of described underframe 1 is provided with fuel tank 3, the bottom of fuel tank 3 is provided with fuel outlet 4, the top of described fuel tank 3 is provided with oil feed pump 5, the flowline 5-1 of described oil feed pump 5 extends to frock framework 1 upper surface, flowline 5-1 end is provided with oil-out 5-2, the upper surface of described frock framework 1 is provided with cylinder cap respectively by front supporting plate 6 and rear supporting plate 7 and rotates clamp system 8, described cylinder cap rotates clamp system 8 and comprises front rotating mechanism 8-1 and rear rotating mechanism 8-2, described front rotating mechanism 8-1 is arranged on the front end of frock framework 1, and be connected with front supporting plate 6 by securing member, described rear rotating mechanism 8-2 is arranged on the rear end of frock framework, and be connected with rear supporting plate 7 by securing member, the oil drain pan 9 be obliquely installed also is provided with in described frock framework 1, the lower end of described oil drain pan 9 extends to the oil return opening position of the top of fuel tank 3.
The present invention can also adopt following technical measures:
Described front rotating mechanism 8-1 comprises the fore-stock 8-10 be arranged on front supporting plate, rotary handle 8-11, rotary flange 8-12, mounting flange 8-13, rotates pin assembly 8-14, front top 8-15 and shift fork 8-16, wherein said shift fork 8-16, front top 8-15, rotary flange 8-12 and rotary handle 8-11 are fixedly installed togather, described rotation pin assembly 8-14 is arranged on rotary flange 8-12, described mounting flange is fixedly mounted on fore-stock 8-10, described front top through mounting flange 8-13, and rotate with mounting flange.
Refer to Fig. 4, described rotation pin assembly 8-14 comprises register pin 8-14-1, inner sleeve 8-14-2, outer tube 8-14-3, drift bolt 8-14-4 and spring 8-14-5, wherein said inner sleeve 8-14-2 is fixedly mounted on rotary flange 8-12, described register pin 8-14-1 is fixed by drift bolt 8-14-4 and outer tube 8-14-3, and do rectilinear motion to axial with inner sleeve, described register pin 8-14-1 is set with self-locking spring 8-14-5.
Described rear rotating mechanism 8-2 comprises the after-poppet 8-21 be arranged in rear supporting plate, back centre 8-22, spring 8-23, installation sleeve 8-24, cover plate 8-25, drift bolt 8-26 and eccentric wheel 8-27, wherein said installation sleeve 8-24 is fixedly mounted on after-poppet 8-21, described cover plate 8-25 is fixedly mounted on installation sleeve 8-24, described spring 8-23 is sleeved on back centre 8-22, described back centre 8-22 is through installation sleeve 8-24 and after-poppet 8-21, described eccentric wheel 8-27 is arranged on the rearward end of back centre 8-22 by drift bolt 8-26, described eccentric wheel 8-27 is provided with eccentric wheel handle 8-28.
In order to prevent the impurity in fluid from entering mailbox, described oil return opening position is provided with filtrator 10.
The present invention adequately achieves injection and the recovery function of carrying out kerosene in the test of valve leakproofness at cylinder cap, ensure that cylinder cap can realize level in test process, the static state of the angle that stands, is inverted stops, various auxiliary mould meets all kinds, size cylinder cap uses.
(1) installation process
A installs auxiliary hanger before and after cylinder cap
B, according to tested cylinder cap type, adjusts rear supporting plate position
Before C, rotating mechanism ensures that shift fork is in bottom; Move rear hold-down mechanism eccentric wheel handle, make back centre retract to maximum position
D uses overhead traveling crane to keep flat in frock by cylinder cap, and the forward and backward top hole aligned respectively on auxiliary hanger, loosens eccentric wheel handle, and cylinder cap toply to be pushed down by two
(2) test process
A pull-out rotates register pin, and move rotary handle, rotate register pin and automatically locate after 90 °, now cylinder cap is in edge-on position
B opens pump switch, and oil filler aligns performance, is injected by the kerosene in fuel tank, main as amount by switch adjustment
C is by the requirement of head valve leakproofness test technology, and leave standstill the stipulated time, whether visual inspection valve leakproofness reaches sealing requirements
D rotates cylinder cap 180 ° according to the method for A, and poured out by the kerosene in air flue, kerosene returns fuel tank by oil drain pan, filtrator
(3) tested
A rotates cylinder cap according to the method for A, ensures that shift fork is in bottom
B uses overhead traveling crane to hang cylinder cap, moves rear hold-down mechanism eccentric wheel handle, makes back centre retract to maximum position, with overhead traveling crane, cylinder cap is shifted out frock
Before and after C dismounting, auxiliary hanger, works complete.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (4)
1. an engine cylinder cover carries out the test tool of air valve tightness test, it is characterized in that: this frock comprises frock framework, the underframe of described frock framework is provided with road wheel, the upper aspect of described underframe is provided with fuel tank, the bottom of fuel tank is provided with fuel outlet, the top of described fuel tank is provided with oil feed pump, the flowline of described oil feed pump extends to frock frame upper surface, flowline end is provided with oil-out, the upper surface of described frock framework is provided with cylinder cap respectively by front supporting plate and rear supporting plate and rotates clamp system, described cylinder cap rotates clamp system and comprises front rotating mechanism and rear rotating mechanism, described front rotating mechanism is arranged on the front end of frock framework, and be connected with front supporting plate by securing member, described rear rotating mechanism is arranged on the rear end of frock framework, and be connected with rear supporting plate by securing member, the oil drain pan be obliquely installed also is provided with in described frock framework, the lower end of described oil drain pan extends to the oil return opening position of the top of fuel tank, described front rotating mechanism comprises the fore-stock be arranged on front supporting plate, rotary handle, rotary flange, mounting flange, rotation pin assembly, front top and shift fork, wherein said shift fork, front top, rotary flange and rotary handle are fixedly installed togather, described rotation pin assembly is arranged on rotary flange, described mounting flange is fixedly mounted on fore-stock, described front top through mounting flange, and rotate with mounting flange.
2. engine cylinder cover according to claim 1 carries out the test tool of air valve tightness test, it is characterized in that: described rotation pin assembly comprises register pin, inner sleeve, outer tube, drift bolt and spring, wherein said inner sleeve is fixedly mounted on rotary flange, described register pin is fixed by drift bolt and outer tube, and do rectilinear motion to axial with inner sleeve, described register pin is set with self-locking spring.
3. engine cylinder cover according to claim 1 carries out the test tool of air valve tightness test, it is characterized in that: described rear rotating mechanism comprises the after-poppet be arranged in rear supporting plate, back centre, spring, installation sleeve, cover plate drift bolt and eccentric wheel, wherein said installation sleeve is fixedly mounted on after-poppet, described cover plate is fixedly mounted on installation sleeve, described spring housing is contained on back centre, described back centre is through installation sleeve and after-poppet, described eccentric wheel is arranged on the rearward end of back centre by drift bolt, and described eccentric wheel is provided with eccentric wheel handle.
4. carry out the test tool of air valve tightness test according to the arbitrary described engine cylinder cover of claims 1 to 3, it is characterized in that: described oil return opening position is provided with filtrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210494606.6A CN102980728B (en) | 2012-11-27 | 2012-11-27 | A kind of engine cylinder cover carries out the test tool of air valve tightness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210494606.6A CN102980728B (en) | 2012-11-27 | 2012-11-27 | A kind of engine cylinder cover carries out the test tool of air valve tightness test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102980728A CN102980728A (en) | 2013-03-20 |
| CN102980728B true CN102980728B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210494606.6A Active CN102980728B (en) | 2012-11-27 | 2012-11-27 | A kind of engine cylinder cover carries out the test tool of air valve tightness test |
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| CN (1) | CN102980728B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002281A (en) * | 2019-12-23 | 2020-04-14 | 芜湖鼎瀚再制造技术有限公司 | Turnover engine cylinder cover disassembling workbench |
| CN115229502B (en) * | 2022-05-20 | 2023-08-04 | 浙江合达铝业有限公司 | Processing method of diesel engine cylinder cover |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504623Y (en) * | 2001-09-12 | 2002-08-07 | 重庆市机电设计研究院 | Device for measuring engine air valve gap and airtight property |
| US8770014B2 (en) * | 2007-03-13 | 2014-07-08 | GM Global Technology Operations LLC | System for detecting hydraulic fluid leaks |
| FR2944871B1 (en) * | 2009-04-22 | 2011-07-01 | Snecma | SEALING HEAD FOR INSTALLATION OF FLUID TESTS ON A PIECE OF AIRCRAFT TURBOMACHINE |
| CN201476948U (en) * | 2009-07-03 | 2010-05-19 | 成都盛帮密封件有限公司 | Oil seal test table of engine air valve |
| CN201575888U (en) * | 2009-12-31 | 2010-09-08 | 重庆宗申吕田机械制造有限公司 | Device for detecting tightness of valve seat |
| CN201688946U (en) * | 2010-03-17 | 2010-12-29 | 顾国泉 | Detecting clamp for valve of engine cylinder cover |
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| CN102980728A (en) | 2013-03-20 |
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Address after: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Patentee after: Tianjin LOVOL Engine Co. Ltd. Address before: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Patentee before: Tianjin Lovol Engines Co., Ltd. |