CN101134280A - Device for assembling and disassembling gas valve seat on the cylinder cap - Google Patents
Device for assembling and disassembling gas valve seat on the cylinder cap Download PDFInfo
- Publication number
- CN101134280A CN101134280A CNA2007101224851A CN200710122485A CN101134280A CN 101134280 A CN101134280 A CN 101134280A CN A2007101224851 A CNA2007101224851 A CN A2007101224851A CN 200710122485 A CN200710122485 A CN 200710122485A CN 101134280 A CN101134280 A CN 101134280A
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- cylinder head
- valve seating
- pull bar
- claw
- conehead
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Abstract
The device for detaching valve seat from cylinder cover includes one support sleeve to be set on the cylinder cover, one hollow press cylinder on the support sleeve, one hollow press connected to one electrically driven oil pump, and one quick valve seat gripping head. The quick valve seat gripping head includes one guide pull rod, one conic head fixed to the lower part of the guide pull rod, claws and lining boards set separately on the guide pull rod, elastic rubber belts inside circular slots in the claws and the lining boards, one gland and one spring. The hollow press cylinder is located on the quick valve seat gripping head. The present invention is used in detaching valve seat from cylinder cover in high efficiency and less damages.
Description
Technical field
The present invention relates to a kind of provision for disengagement, particularly dismantle the device of valve seating on the cylinder head about a kind of hydraulic pressure.
Background technology
Along with the prosperity in communications and transportation market, the overhaul task amount of diesel locomotive increases gradually at present, and it is heavy that the service work of cylinder head also becomes day by day, the especially dismounting of valve seating and replacing.Because corresponding endoporus is that the magnitude of interference according to 0.1mm carries out cold charge and cooperates on the external diameter of valve seating and the cylinder head, removes the comparison difficulty.Original method for dismounting is: on the boring machine with the cylinder head clamping firmly after, with cylindrical bar milling cutter the wall of valve seating is milled disconnectedly, make it the power of radially unloading and shrink, and then valve seating is prized with crowbar.On boring machine, add man-hour, when the wall of valve seating is about to mill disconnected (below the remaining approximately 1mm amount), is easy to cause valve seating to reverse suddenly milling cutter is fractureed, thereby the valve-seat bore matching surface of cylinder head is scratched, cause the integral body of cylinder head to scrap.The average every component parts for assembly of a machine of this situation (12 cylinder head) will be scrapped 2-3, causes bigger waste, and production efficiency is also lower, has influenced economic benefit.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of device of dismantling valve seating on the cylinder head, adopt the present invention to enhance productivity, cylinder head can be by fine protection.
For achieving the above object, the present invention takes following technical scheme: a kind of device of dismantling valve seating on the cylinder head, it is characterized in that: it comprises that one is arranged on the support set on the cylinder head, cylinder body at described support set top braces one hollow pressure machine, described hollow pressure machine connects a supporting electric oil pump, is inserted with the quick dop of a valve seating at the center of described hollow pressure machine; Described quick dop comprises: a guiding pull bar, a conehead is fixed in described guiding pull bar bottom, on the guiding pull bar above the described conehead, be arranged at intervals with several claws and several liner plates, on the excircle of described each claw and liner plate, a circumferential groove is set respectively down, the elastic rubber band is housed in the described circumferential groove, after the described guiding pull bar at described claw and liner plate top passes a gland and a spring successively, by the pull bar that is threaded, the flange of described pull bar bottom withstands on the described spring, after described pull bar passed described hollow pressure machine, the draw-in groove by its top and the cooperation of an expanding ring were positioned at the cylinder body of described hollow pressure machine on the described quick dop.
Described conehead fixes it with the guiding pull bar by the back welding that is threaded.
Described claw is that the conical surface contacts with the inner surface of described conehead contact-making surface.
The quantity of described claw and liner plate respectively is four.
The inner surface that described claw contacts with described conehead is the conical surface.
Described support set an opening circumferentially is set as observation panel.
The present invention is owing to take above technical scheme, and it has the following advantages: 1, the present invention has exempted the operation of machining process dismounting valve seating owing to adopt the hydraulic means of hollow pressure machine and electric oil pump.2, the present invention is owing to designed the quick dop of valve seating, and the dismounting speed of valve seating has improved 6～8 times than originally, improved production efficiency.3, durability height of the present invention, the old cylinder head 100% of dismounting is injury-free, and also the surface tear that cylinder head is cooperated with valve-seat bore has reduced material consumption, has improved economic benefit.4, the present invention can not be subjected to the restriction in place, as long as just have the power supply can handled easily.
Description of drawings
Fig. 1 is a user mode schematic diagram of the present invention
Fig. 2 is the quick dop structural representation of valve seating of the present invention
Fig. 3 is that claw of the present invention and liner plate are provided with schematic diagram
Fig. 4 is a splicing sleeve structural representation of the present invention
Fig. 5 is an expanding ring structural representation of the present invention
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention includes a support set 2 that is arranged on the cylinder head 1, connect a hollow pressure machine 3 at support set 2 tops, hollow pressure machine 3 is by an oil pipe 41 supporting connection one electric oil pumps 4.Plug the quick dop 5 of a valve seating at the center of hollow pressure machine 3, hollow pressure machine 3 tops are connected with the quick dop 5 of valve seating by an expanding ring 6.
As Fig. 2, shown in Figure 3, quick dop 5 of the present invention comprises a guiding pull bar 51, the fixedly connected conehead 52 in guiding pull bar 51 bottoms, the guiding pull bar 51 of conehead 52 tops circumferentially evenly is provided with four claws 53, with four claws, 53 intervals, also be provided with four liner plates 54 on guiding pull bar 51, conehead 53, claw 53 and liner plate 54 all adopt the steel material.For make claw 53 can be centered around guiding pull bar 51 around can produce radially harmomegathus power again, a circumferential groove 55 is set in that the excircle of each claw 53 and liner plate 54 is upper and lower respectively, in upper and lower circumferential groove 55, be set with an elastic rubber band 56.Guiding pull bar 51 above claw 53 and the liner plate 54 is provided with a gland 57, place spring 58 at gland 57 tops, on guiding pull bar 51 tops by the pull bar 59 that is threaded, rotating tension bar 59, flange 60 roof pressures that can make its underpart are provided with a circle draw-in groove 61 on pull bar top on spring 58, be used to plug and hollow pressure machine 3 between expanding ring 6 (as shown in Figure 4), the outer of expanding ring 6 can be circular, also can be square, can also be polygon.
As shown in Figure 5, in the foregoing description, the external form of support set 2 and inner chamber can be circular, also can be square, can also be polygons.Whether support set 2 lower ends are provided with an opening as observation panel 21, can observe valve seating by observation panel 21 and be pulled out.
In the foregoing description, hollow pressure machine 3 and electric oil pump 4 can be bought off-the-shelf, pressure and stroke during according to the dismounting valve seating, and hollow pressure machine 3 can adopt the KYG-20 model, and electric oil pump 4 can adopt the DYB-1A model.
In the foregoing description, conehead 52 can adopt with after the pull bar 51 that leads is threaded, and the fixing mode of welding connects again.The quantity that claw 53 and liner plate 54 are provided with can change to some extent.
When the present invention uses, as shown in Figure 2, at first quick dop 5 is assembled, rotate pull bar 59 on the quick dop 5 with hand, the flange 60 that makes pull bar 59 bottoms to pressing down gland 57, makes gland 57 promote claws 53 and liner plate 54 moves downward by spring 58, because claw 53 is that the conical surface contacts cooperation with conehead 52, in the process that claw 53 moves downward, produce radial load, make claw 53 spreadings.Adjust the modest pressure of spring 58, make claw 53 reach maximum spreading scope.Again in the valve guide bushing endoporus 12 that the guiding pull bar in the quick dop 5 51 is inserted on the cylinder head 1, this moment, the claw 53 of spreading contacted with the internal groove of valve seating 11, claw 53 is squeezed and produces axial thrust, makes claw 53 along axially moving upward compression spring 58.Simultaneously, be installed in elastic rubber bands 56 in claw 53 and the liner plate 54 upper and lower two circle circumferential grooves 55 claw 53 is dwindled to the center, claw 53 contracts to recovery, and then the endoporus by valve seating 11.After claw 53 passed through the endoporus of valve seating 11, under the axial thrust effect of spring 58, claw 53 moved down vertically, under the effect on conehead 52 inclined-planes, makes claw 53 quick spreadings, and the bottom of valve seating 11 is clamped.This moment, the centre bore with splicing sleeve 2 was sleeved on the pull bar 59 of quick dop 5, and its lower surface is steadily contacted with the last plane of cylinder head 1, piston 31 centre bores with hollow pressure machine 3 are sleeved on the pull bar 59 of quick dop 5 then, and the lower surface of piston 31 is steadily contacted with the upper surface of splicing sleeve 2, at last expanding ring 6 is inserted in the draw-in groove 61 of pull bar 59, then can start electric oil pump 4, and move the hydraulic control lever (not shown) of the setting on the electric oil pump 4, the present invention's action is to realize by the hydraulic control lever on the electric oil pump 4, piston 31 is stretched out downwards, because piston 31 withstands on the support set 2, support set 2 withstands on again on the cylinder head 1, therefore piston 31 can not move, but driving quick dop 5 by expanding ring 6, the cylinder body of hollow pressure machine 3 moves upward, the dop 52 of guiding on the pull bar 51 push-tight claw 53 that moves upward more more catches on valve seating 11 and moves upward, and can see that by the observation panel on the splicing sleeve 2 21 valve seating 11 is by safely and reliably from axially extracting smoothly.
Claims (10)
1. device of dismantling valve seating on the cylinder head, it is characterized in that: it comprises that one is arranged on the support set on the cylinder head, cylinder body at described support set top braces one hollow pressure machine, described hollow pressure machine connects a supporting electric oil pump, is inserted with the quick dop of a valve seating at the center of described hollow pressure machine; Described quick dop comprises: a guiding pull bar, a conehead is fixed in described guiding pull bar bottom, on the guiding pull bar above the described conehead, be arranged at intervals with several claws and several liner plates, on the excircle of described each claw and liner plate, a circumferential groove is set respectively down, the elastic rubber band is housed in the described circumferential groove, after the described guiding pull bar at described claw and liner plate top passes a gland and a spring successively, by the pull bar that is threaded, the flange of described pull bar bottom withstands on the described spring, after described pull bar passed described hollow pressure machine, the draw-in groove by its top and the cooperation of an expanding ring were positioned at the cylinder body of described hollow pressure machine on the described quick dop.
2. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 1 is characterized in that: described conehead fixes it with the guiding pull bar by the back welding that is threaded.
3. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 1 is characterized in that: described claw is that the conical surface contacts with the inner surface of described conehead contact-making surface.
4. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 2 is characterized in that: described claw is that the conical surface contacts with the inner surface of described conehead contact-making surface.
5. as claim 1 or 2 or 3 or 4 described a kind of devices of dismantling valve seating on the cylinder head, it is characterized in that: the quantity of described claw and liner plate respectively is four.
6. as claim 1 or 2 or 3 or 4 described a kind of devices of dismantling valve seating on the cylinder head, it is characterized in that: the inner surface that described claw contacts with described conehead is the conical surface.
7. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 5 is characterized in that: the inner surface that described claw contacts with described conehead is the conical surface.
8. as claim 1 or 2 or 3 or 4 or 7 described a kind of devices of dismantling valve seating on the cylinder head, it is characterized in that: described support set an opening circumferentially is set as observation panel.
9. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 5 is characterized in that: described support set an opening circumferentially is set as observation panel.
10. a kind of device of dismantling valve seating on the cylinder head as claimed in claim 6 is characterized in that: described support set an opening circumferentially is set as observation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101224851A CN100503145C (en) | 2007-09-26 | 2007-09-26 | Device for assembling and disassembling gas valve seat on the cylinder cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101224851A CN100503145C (en) | 2007-09-26 | 2007-09-26 | Device for assembling and disassembling gas valve seat on the cylinder cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101134280A true CN101134280A (en) | 2008-03-05 |
| CN100503145C CN100503145C (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101224851A Expired - Fee Related CN100503145C (en) | 2007-09-26 | 2007-09-26 | Device for assembling and disassembling gas valve seat on the cylinder cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100503145C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175099A (en) * | 2012-11-30 | 2014-12-03 | 安徽众汇制冷有限公司 | Method for removing rubber caps by cap removal device after spraying of silencer and liquid storage device |
| CN106181282A (en) * | 2016-07-13 | 2016-12-07 | 浙江科技学院 | A kind of support claw device separating box-shaped part with holes |
| CN109807377A (en) * | 2019-02-25 | 2019-05-28 | 河南利威新能源科技有限公司 | A kind of disassembling method of battery conductive item |
| CN110153677A (en) * | 2018-03-14 | 2019-08-23 | 谢鑫钰 | Automobile bearing assembly technology based on wall thickness hierarchical detection system |
| CN110253261A (en) * | 2019-06-28 | 2019-09-20 | 中国航发南方工业有限公司 | Disk-like accessory pulls out handler |
| CN110549292A (en) * | 2019-09-16 | 2019-12-10 | 中车戚墅堰机车有限公司 | Hydraulic dismounting device for air inlet and exhaust valve seats of diesel engine cylinder cover |
| CN113182842A (en) * | 2021-03-30 | 2021-07-30 | 唐微 | Automatic assembly production line of spring plunger for automobile mould |
| CN114135547A (en) * | 2021-11-23 | 2022-03-04 | 一重集团天津重工有限公司 | Method for eliminating axial clearance generated by shrinkage in long shaft cold-fitting process |
| CN116967739A (en) * | 2023-09-25 | 2023-10-31 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571802A (en) * | 1984-04-30 | 1986-02-25 | Calhoun Gregory L | Double grip, relative motion tube puller |
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2007
- 2007-09-26 CN CNB2007101224851A patent/CN100503145C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175099B (en) * | 2012-11-30 | 2016-08-24 | 安徽众汇制冷有限公司 | A kind of utilization is pulled out cap device and is pulled out the method for rubber cap after muffler, reservoir spraying |
| CN104175099A (en) * | 2012-11-30 | 2014-12-03 | 安徽众汇制冷有限公司 | Method for removing rubber caps by cap removal device after spraying of silencer and liquid storage device |
| CN106181282A (en) * | 2016-07-13 | 2016-12-07 | 浙江科技学院 | A kind of support claw device separating box-shaped part with holes |
| CN110153677A (en) * | 2018-03-14 | 2019-08-23 | 谢鑫钰 | Automobile bearing assembly technology based on wall thickness hierarchical detection system |
| CN109807377A (en) * | 2019-02-25 | 2019-05-28 | 河南利威新能源科技有限公司 | A kind of disassembling method of battery conductive item |
| CN110253261B (en) * | 2019-06-28 | 2020-11-06 | 中国航发南方工业有限公司 | Disc part pulling and unloading device |
| CN110253261A (en) * | 2019-06-28 | 2019-09-20 | 中国航发南方工业有限公司 | Disk-like accessory pulls out handler |
| CN110549292A (en) * | 2019-09-16 | 2019-12-10 | 中车戚墅堰机车有限公司 | Hydraulic dismounting device for air inlet and exhaust valve seats of diesel engine cylinder cover |
| CN110549292B (en) * | 2019-09-16 | 2021-08-03 | 中车戚墅堰机车有限公司 | Hydraulic dismounting device for air inlet and exhaust valve seats of diesel engine cylinder cover |
| CN113182842A (en) * | 2021-03-30 | 2021-07-30 | 唐微 | Automatic assembly production line of spring plunger for automobile mould |
| CN113182842B (en) * | 2021-03-30 | 2022-12-27 | 广州东阳立松模具制造有限公司 | Automatic assembly production line of spring plunger for automobile mould |
| CN114135547A (en) * | 2021-11-23 | 2022-03-04 | 一重集团天津重工有限公司 | Method for eliminating axial clearance generated by shrinkage in long shaft cold-fitting process |
| CN114135547B (en) * | 2021-11-23 | 2024-04-12 | 一重集团天津重工有限公司 | Method for eliminating axial clearance generated by shrinkage in long shaft part cold-assembling process |
| CN116967739A (en) * | 2023-09-25 | 2023-10-31 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
| CN116967739B (en) * | 2023-09-25 | 2023-12-12 | 成都瑞迪智驱科技股份有限公司 | High-precision assembly fixture and method for rigid gear and cross bearing of harmonic reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100503145C (en) | 2009-06-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ERQI TRAIL TRAFFIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING 27 LOCOMOTIVE WORKS CO., LTD., CHINA BEICHE GROUP Effective date: 20081031 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20081031 Address after: Beijing city Fengtai District Changxindian Yang Gong Zhuang No. 1 post encoding: 100072 Applicant after: Beijing Erqi Railway Traffic Equipment Co., Ltd. Address before: Beijing city Fengtai District Changxindian Yang Gong Zhuang No. 1 post encoding: 100072 Applicant before: China North Vehicle Group Beijing No.27 Locomotive Factory Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20180926 |