CN101934473A - Automobile engine valve lock mounting tool - Google Patents
Automobile engine valve lock mounting tool Download PDFInfo
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- CN101934473A CN101934473A CN 201010284826 CN201010284826A CN101934473A CN 101934473 A CN101934473 A CN 101934473A CN 201010284826 CN201010284826 CN 201010284826 CN 201010284826 A CN201010284826 A CN 201010284826A CN 101934473 A CN101934473 A CN 101934473A
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Abstract
The invention provides an automobile engine valve lock mounting tool which belongs to the technical field of operation and solves the problems of complicated structure and inconvenient production and manufacturing of the traditional automobile engine valve lock mounting tool. The automobile engine valve lock mounting tool comprises a tubular spring base pressing sleeve, wherein one end of the spring base pressing sleeve is a butt end, and the other end is fixedly connected with a handle; a rod-like lock pressing sleeve is arranged in the spring base pressing sleeve in the axial direction, one end of the lock pressing sleeve is a butt end, the butt end is positioned at the butt end of the spring base pressing sleeve, the other end is connected with a first spring; and the butt end surface of the lock pressing sleeve is provided with a limiting hole for the penetration of a valve rod. The automobile engine valve lock mounting tool has the advantages of simple structure, reasonable design, convenient production and low cost. By using the automobile engine valve lock mounting tool, the invention can ensure that the operation is convenient in the valve lock mounting process and one person alone can finish the mounting work, and achieves the advantages of stable mounting and high success rate.
Description
Technical field
The invention belongs to the operation technique field, relate to a kind of installation frock, particularly a kind of automotive engine valves locking plate is installed frock.
Background technology
Valve is a kind of vitals of engine.The effect of valve is to be responsible in engine input air specially and to discharge waste gas after burning.It is arranged in the cylinder head assembly and locking plate and spring base is installed on valve, and an end of valve spring is on spring base.
At present, in Mechanical Help industry and engine research institute, the installation of valve is that valve is passed from the valve guide bushing lower end, puts valve spring and cotter seat, press down cotter seat with instrument after, with other instrument locking plate is put into again; Because the elasticity of valve spring is very strong, and the locus of spiracle disassembling and assembling is very limited, be difficult for installing valve split collets, this has brought very big trouble just for research staff and maintenance personal.Three-flute valve split collets installation difficulty maximum particularly, the outer wall of three-flute valve tail end has three annular grooves, the inwall of locking plate has three corresponding ring ribs, locking plate must be installed in outside the valve, and make that corresponding snapping coincide between three pairs of male and fomale(M﹠F)s on the two faying face, in the spring base of together packing into; At present, the valve split collets pressing machines that adopt special use are organized into unanimity to the state of valve split collets by the vibrations hopper more, with compressed air locking plate are blown on the pressure head along plastic tube, press-fit; This pressing machine complex structure costs an arm and a leg, so only use on engine line.
In order to solve the inconvenient problem of installing, people had once proposed multiple solution, its relevant document is as follows: for example, the once disclosed a kind of overhead valve replacer of Chinese patent literature [CN87210699U], it is made up of framework support part and afterburning part, its framework support sector divides the framework that comprises crossbeam, cushion block, support crossbeam and cushion block, and its afterburning part is to be contained in screw rod and the handle on the screw rod in the crossbeam top nut and to press the bowl member.During use, the cylinder head of having pulled down is placed on the cushion block of base of frame, presses bowl to withhold in the valve spring pop-up, rotary handle makes the screw rod of spiral lifting mechanism withstand pressure bowl member upper end, continues rotary handle, the spring pressurized is shunk, and the spring locking plate exposes, and available hand takes off.
Again for example, the also once disclosed a kind of engine valve dismounting pincers of Chinese patent literature [CN2147939Y], it is made up of gear, tooth bar, trim ring, left and right support, gear shaft, bearing, bearing nut, brace summer and handle.Dismounting according to valve stem length, is at first adjusted the height of bearing during valve spring, pulls handle then, and cotter seat is pushed down in moving up and down of the gear by interlock with it, tooth bar, trim ring, finishes the demolition, installation operation of valve spring at last.
Also for example, the once disclosed a kind of engine valve dismounting pincers of Chinese patent literature [CN2304508Y], it has a work pressing plate, end at the work pressing plate is connected with pressurized handgrip, the other end at the work pressing plate has an elongated slot that can put in screw rod, has a lockhole that can put in the engine valve microcephaly at the middle part of work pressing plate.During use, elongated slot on the work pressing plate can be put in the studding screw rod that has nut on the engine fuselage, nut spacingly makes it become the pressurization fulcrum it, the lockhole at work pressing plate middle part is aimed at engine valve, firmly depress pressurized handgrip, make the engine valve spring compression and the engine valve microcephaly is exposed from lockhole, the engine valve locking plate just unclamps naturally, take out the engine valve locking plate, unclamp wrench, this valve split collets has just disassembled.
The method of the installation of engine valve locking plate is basic identical, and different is after compressing valve spring, installs the engine valve locking plate, unclamps wrench and gets final product.Above-mentioned several type valve split collets loading and unloading device all is to put in place by the compression spring, promptly compresses spring, expose the locking plate installation site, the dress locking plate, and an operation is finished in these three actions of pull-off spring, and locking plate is installed.Therefore, these three kinds of valve split collets loading and unloading devices in use need two people's cooperatings usually, should not operate, and waste time and energy.Simultaneously above-mentioned valve split collets loading and unloading device also exists complex structure, manufacturing portion problem easily.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of automotive engine valves locking plate simple in structure, reasonable in design frock is installed, utilize people of this frock can finish the installation valve split collets smoothly at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of automotive engine valves locking plate is installed frock, it is characterized in that it comprises spring base gland in a tubular form, and the one end is for compressing end, and the other end is fixed with handle; Be axially arranged with the locking plate gland that is shaft-like in the described spring base gland, one end of locking plate gland be compress that end and this end be positioned at the spring base gland compress the end place, the other end is connected with spring one, and an end of described spring one is resisted against on the locking plate gland, and the other end is resisted against on the handle; Compressing on the end end face of described locking plate gland has the resigning hole that penetrates for valve stem.
This automotive engine valves locking plate is installed frock and is included only handle, spring base gland, locking plate gland and spring one; Has advantage simple in structure, reasonable in design, convenient for production and that cost is low thus.Utilize this automotive engine valves locking plate that frock installation valve split collets is installed and mainly pass through following steps, at first, handle is applied enough big power, and the spring base gland is pressed on the cotter seat and promotes cotter seat and moves axially along valve, and valve spring is compressed; The locking plate gland is pressed on the valve split collets, also moves axially along valve under the effect of spring one, slips over three grooves of valve tail end outer wall fully until valve split collets.Then, reduce gradually the power that handle is applied make this frock under the active force of valve spring along valve counter motion gradually; Cotter seat and valve split collets be counter motion simultaneously also, embeds one to one in the annular groove of valve tail end outer wall until the ring rib of valve split collets inwall, and this moment, valve split collets was mounted fixing.At last, remove this frock.Know that from above-mentioned steps utilizing this frock that valve split collets is installed has the easy to use and single advantage that can finish installation.
Install in the frock at above-mentioned automotive engine valves locking plate, the other end of described locking plate gland has annular convex shoulder one, have on the inwall of described spring base gland and the annular convex shoulder one corresponding annular recessed shoulder of stepping down, an end face of annular convex shoulder one is resisted against annular and steps down on the bottom surface of recessed shoulder.When the end that compresses of locking plate gland is not subjected to external force to do the time spent, be resisted against annular at an end face of annular convex shoulder one under the elastic force effect of spring one and step down on the bottom surface of recessed shoulder, it is in order to prevent that the locking plate gland from compressing the end landing from the spring base gland under the elastic force effect of above-mentioned spring one that annular convex shoulder one and the annular recessed shoulder of stepping down obviously is set.
Install in the frock at above-mentioned automotive engine valves locking plate, compressing of described locking plate gland is fixed with magnet on the end.Magnet is set cotter seat and valve split collets can be adsorbed on compressing on the end of locking plate gland, avoid valve split collets and cotter seat to drop thus, and then the convenient valve split collets of installing.
Install in the frock at above-mentioned automotive engine valves locking plate, be fixed with Connection Block on the described handle, the other end of above-mentioned spring base gland is by being threaded on the Connection Block; The other end of above-mentioned spring one is resisted against on the Connection Block.Connection Block generally is on column and its outer wall and has screw thread, the spring base gland be fixedly connected on by screw thread have convenient for maintaining on the Connection Block, convenient with pack into advantage in the spring base gland of parts such as spring one, locking plate gland.
Install in the frock at above-mentioned automotive engine valves locking plate, compressing on the end end face of described spring base gland has and the corresponding slot to make way of cotter seat end face.This slot to make way be set be for make the spring base gland cooperate more stable with cotter seat and the location more accurate, thereby guarantee to be seated fast, avoid simultaneously when locking plate is installed, sliding the generation security incident between the spring base gland and cotter seat.
Install in the frock at above-mentioned automotive engine valves locking plate, resigning hole in the described locking plate gland axially connects and is provided with a mandrel in resigning hole, one end of mandrel be compress that end and this end be positioned at the spring base gland compress the end place, the other end of mandrel passes the other end of locking plate gland and is connected with spring two.Utilize the end that compresses of this frock when assembling mandrel to be pressed on the valve afterbody end end face, frock moves in the time of can guaranteeing to assemble thus stabilizes and increases the use feel.Simultaneously, the other end of mandrel can be pressed on the Connection Block, and then limits the stroke of the corresponding valve of this frock, also has the effect of limit journey thus.When mandrel axially near Connection Block direction when motion, spring two is compressed, obviously spring two has been reset responses.
Install in the frock at above-mentioned automotive engine valves locking plate, the other end of described mandrel has annular convex shoulder two, and an end face of annular convex shoulder two can be resisted against on the other end of above-mentioned locking plate gland.
Install in the frock at above-mentioned automotive engine valves locking plate, an end of described spring two is resisted against on the other end of annular convex shoulder two, and the other end of spring two is resisted against on the Connection Block.
Install in the frock at above-mentioned automotive engine valves locking plate, an end of described spring two is set in the place, end of the mandrel other end.
Install in the frock at above-mentioned automotive engine valves locking plate, described annular convex shoulder two and spring two all are positioned at the inboard of spring one.
Compared with prior art, this automotive engine valves locking plate erector harness has advantage simple in structure, reasonable in design, convenient for production and that cost is low.Utilizing this automotive engine valves locking plate that frock is installed installs valve split collets and has and easy to use and singlely can finish installations, install and stablize and the high advantage of success rate.
Description of drawings
Fig. 1 is the sectional structure schematic diagram that this automotive engine valves locking plate is installed frock.
Fig. 2 is state one a sectional structure schematic diagram when utilizing this frock that valve split collets is installed.
Fig. 3 is state two sectional structure schematic diagrames when utilizing this frock that valve split collets is installed.
Fig. 4 is state three sectional structure schematic diagrames when utilizing this frock that valve split collets is installed.
Among the figure, 1, handle; 2, Connection Block; 3, spring base gland; 31, slot to make way; 32, the annular recessed shoulder of stepping down; 4, locking plate gland; 41, annular convex shoulder one; 5, mandrel; 51, annular convex shoulder two; 6, spring one; 7, spring two; 8, cotter seat; 9, valve split collets; 10, valve spring; 11, valve.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, this automotive engine valves locking plate installation frock comprises handle 1, spring base gland 3, locking plate gland 4, mandrel 5, spring 1 and spring 27.
Specifically, the centre of handle 1 is fixed with the Connection Block 2 that is column, has screw thread on the sidewall of Connection Block 2.Spring base gland 3 in a tubular form, the one end is for compressing end, the other end is fixedly connected on the Connection Block 2 by screw thread.Compressing on the end end face of spring base gland 3 has and the corresponding slot to make way 31 of cotter seat 8 end faces.
Be fixed with magnet on the end compressing of locking plate gland 4, magnet be set cotter seat 8 and valve split collets 9 can be adsorbed on compressing on the end of locking plate gland 4, avoid valve split collets 9 and cotter seat 8 to drop thus, and then the convenient valve split collets 9 of installing.In addition, also can adopt another mode according to the actual conditions such scheme, promptly the end that compresses of locking plate gland 4 is magnetized, and has thus and can adsorb the fixedly ability of cotter seat 8 and valve split collets 9.
In order to prevent that locking plate gland 4 from compressing the end landing from spring base gland 3 under the elastic force effect of above-mentioned spring 1, so the other end of locking plate gland 4 has annular convex shoulder 1, have on the inwall of spring base gland 3 and the annular convex shoulder one 41 corresponding annulars recessed shoulder 32 of stepping down, be resisted against annular at an end face of annular convex shoulder 1 under the elastic force effect of above-mentioned spring 1 and step down on the bottom surface of recessed shoulder 32.Hence one can see that, above-mentioned spring base gland 3 be fixedly connected on by screw thread have convenient for maintaining on the Connection Block 2, convenient with pack into advantage in the spring base gland 3 of parts such as spring 1, locking plate gland 4.
The end that compresses of locking plate gland 4 has resigning hole and this resigning hole that air feed door 11 bars penetrate on the end face and axially connects.Mandrel 5 is shaft-like and it is arranged in the resigning hole of locking plate gland 4, and mandrel 5 can move axially along the madial wall of resigning hole.One end of mandrel 5 be compress that end and this end be positioned at spring base gland 3 compress the end place, the other end of mandrel 5 passes the other end of locking plate gland 4.In order to prevent that mandrel 5 from compressing the resigning hole aperture landing of end from locking plate gland 4, so the other end of mandrel 5 has annular convex shoulder 2 51, an end face of annular convex shoulder 2 51 can be resisted against on the other end of above-mentioned locking plate gland 4.
One end of spring 27 is set in the place, end of mandrel 5 other ends; Have spacing between the other end and Connection Block 2 end faces, reduce spring 27 decrements when this spacing can make mandrel 5 move, can reduce the required power of this frock that promotes.Annular convex shoulder 2 51 and spring 27 all are positioned at the inboard of spring 1.Certainly, as the another kind of connected mode of such scheme, an end of spring 27 also is can be resisted against on the other end of annular convex shoulder 2 51, and the other end is resisted against on the Connection Block 2.
Utilize the step of this frock installation valve split collets 9 as follows, extremely shown in Figure 4 as Fig. 2 successively.At first, valve split collets 9 is arranged in the bellmouth of cotter seat 8, and with above-mentioned both be positioned over this frock spring abutment gland 3 of being hit by a bullet and compress the end of end, cotter seat 8 and valve split collets 9 are absorbed and fixed at slot to make way 31 places that spring base gland 3 compresses end by magnet thus, and available hand aligns it, as shown in Figure 2.Certainly, according to different types, cotter seat and valve split collets also can be contained in earlier on the valve spring, directly press-fit with this frock then.
Then, as shown in Figure 3, handle 1 is applied enough big power cotter seat 8 is resisted against on the valve spring 10 and until cotter seat 8 contact with valve 11; Further adjust the position of this frock with respect to valve 11 this moment, makes the tail end of resigning hole over against valve 11; Increasing the power that applies thus makes this frock slip over three grooves of valve 11 tail end outer walls fully until valve split collets 9 along valve 11 axially-movables.Because valve split collets 9 is positioned at spring base gland 3, can't check its particular location, but, can do sign on the valve 11 or be resisted against on the end face of Connection Block 2 thus until the other end of mandrel 5 in order to guarantee that valve split collets 9 can slip over three annular grooves of valve 11 tail end outer walls fully.
In this step process, spring base gland 3 is pressed on the cotter seat 8 always and promotes cotter seat 8 and moves axially along valve 11, and valve spring 10 is compressed; Locking plate gland 4 is pressed on the valve split collets 9 and also moves axially along valve 11.
Then, as shown in Figure 4, reduce gradually the power that handle 1 is applied make this frock under the active force of valve spring 10 along valve 11 counter motion gradually; Cotter seat 8 and valve split collets 9 be counter motion simultaneously also, when the ring rib of valve split collets 9 inwalls embeds in the annular groove of valve 11 tail end outer walls one to one, form a gap between valve split collets 9 and the cotter seat 8, under the effect of valve spring 10, promote cotter seat 8 motions, can eliminate above-mentioned gap in moment thus, valve split collets 9 is mounted fixing thus.
At last, remove this frock.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used handle 1 morely; Connection Block 2; Spring base gland 3; Slot to make way 31; The annular recessed shoulder 32 of stepping down; Locking plate gland 4; Annular convex shoulder 1; Mandrel 5; Annular convex shoulder 2 51; Spring 1; Spring 27; Cotter seat 8; Valve split collets 9; Valve spring 10; Valve 11 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. an automotive engine valves locking plate is installed frock, it is characterized in that it comprises spring base gland (3) in a tubular form, and the one end is for compressing end, and the other end is fixed with handle (1); Be axially arranged with the locking plate gland (4) that is shaft-like in the described spring base gland (3), one end of locking plate gland (4) compresses the end place for what compress that end and this end be positioned at spring base gland (3), the other end is connected with spring one (6), one end of described spring one (6) is resisted against on the locking plate gland (4), and the other end is resisted against on the handle (1); Compressing on the end end face of described locking plate gland (4) has the resigning hole that air feed door (11) penetrates.
2. automotive engine valves locking plate according to claim 1 is installed frock, it is characterized in that, the other end of described locking plate gland (4) has annular convex shoulder one (41), have on the inwall of described spring base gland (3) and annular convex shoulder one (41) the corresponding annular recessed shoulder (32) of stepping down, an end face of annular convex shoulder one (41) is resisted against annular and steps down on the bottom surface of recessed shoulder (32).
3. automotive engine valves locking plate according to claim 1 and 2 is installed frock, it is characterized in that compressing of described locking plate gland (4) is fixed with magnet on the end.
4. automotive engine valves locking plate according to claim 1 and 2 is installed frock, it is characterized in that be fixed with Connection Block (2) on the described handle (1), the other end of above-mentioned spring base gland (3) is by being threaded on the Connection Block (2); The other end of above-mentioned spring one (6) is resisted against on the Connection Block (2).
5. automotive engine valves locking plate according to claim 1 and 2 is installed frock, it is characterized in that, compressing on the end end face of described spring base gland (3) has and the corresponding slot to make way of cotter seat (8) end face (31).
6. automotive engine valves locking plate according to claim 1 and 2 is installed frock, it is characterized in that, resigning hole in the described locking plate gland (4) axially connects and is provided with a mandrel (5) in resigning hole, one end of mandrel (5) compresses the end place for what compress that end and this end be positioned at spring base gland (3), and the other end of mandrel (5) passes the other end of locking plate gland (4) and is connected with spring two (7).
7. automotive engine valves locking plate according to claim 6 is installed frock, it is characterized in that, the other end of described mandrel (5) has annular convex shoulder two (51), and an end face of annular convex shoulder two (51) can be resisted against on the other end of above-mentioned locking plate gland (4).
8. automotive engine valves locking plate according to claim 6 is installed frock, it is characterized in that an end of described spring two (7) is resisted against on the other end of annular convex shoulder two (51), and the other end of spring two (7) is resisted against on the Connection Block (2).
9. automotive engine valves locking plate according to claim 6 is installed frock, it is characterized in that, an end of described spring two (7) is set in the place, end of mandrel (5) other end.
10. automotive engine valves locking plate according to claim 7 is installed frock, it is characterized in that described annular convex shoulder two (51) and spring two (7) all are positioned at the inboard of spring one (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010284826A CN101934473B (en) | 2010-09-17 | 2010-09-17 | Automobile engine valve lock mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010284826A CN101934473B (en) | 2010-09-17 | 2010-09-17 | Automobile engine valve lock mounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101934473A true CN101934473A (en) | 2011-01-05 |
| CN101934473B CN101934473B (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010284826A Active CN101934473B (en) | 2010-09-17 | 2010-09-17 | Automobile engine valve lock mounting tool |
Country Status (1)
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| CN (1) | CN101934473B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889936A (en) * | 2015-05-29 | 2015-09-09 | 江苏农林职业技术学院 | Disassembly and assembly pincers of engine valve lock |
| CN104908004A (en) * | 2015-06-17 | 2015-09-16 | 重庆长安汽车股份有限公司 | Installing tool for engine valve locking blocks |
| CN107470886A (en) * | 2017-07-31 | 2017-12-15 | 合肥江淮朝柴动力有限公司 | Equipment for multi-type cylinder cover valve split collets quick assembling |
| CN107900971A (en) * | 2018-01-13 | 2018-04-13 | 郑州百信润唐信息技术有限公司 | Valve collet assembly and disassembly instrument |
| CN108356449A (en) * | 2017-12-30 | 2018-08-03 | 江苏中科大港激光科技有限公司 | A kind of sheet metal box body new welding process |
| CN112720315A (en) * | 2021-01-08 | 2021-04-30 | 广西玉柴机器股份有限公司 | Three-groove valve collet rapid press-fitting tool, press-fitting machine and using method |
| CN114102094A (en) * | 2021-11-03 | 2022-03-01 | 东风汽车集团股份有限公司 | Press mounting device and press mounting method for lock plate of cylinder cover of automobile engine |
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| CN201140381Y (en) * | 2008-01-02 | 2008-10-29 | 梁吉林 | Valve collet replacer |
| CN101450479A (en) * | 2007-11-29 | 2009-06-10 | 上海华普发动机有限公司 | Valve lock installation device |
| CN201552424U (en) * | 2009-09-30 | 2010-08-18 | 东莞市骏朗自动化科技有限公司 | Device for press mounting valve lock |
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| EP1426261A1 (en) * | 2002-12-06 | 2004-06-09 | Mando Corporation | Pump for anti-lock brake systems |
| CN1517545A (en) * | 2003-01-28 | 2004-08-04 | 株式会社日立制作所 | Part composed of multi-component and its connecting method and its manufacturing method |
| US20050200196A1 (en) * | 2004-03-12 | 2005-09-15 | Fulks Gary C. | Pressure locking master cylinder |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889936A (en) * | 2015-05-29 | 2015-09-09 | 江苏农林职业技术学院 | Disassembly and assembly pincers of engine valve lock |
| CN104908004A (en) * | 2015-06-17 | 2015-09-16 | 重庆长安汽车股份有限公司 | Installing tool for engine valve locking blocks |
| CN107470886A (en) * | 2017-07-31 | 2017-12-15 | 合肥江淮朝柴动力有限公司 | Equipment for multi-type cylinder cover valve split collets quick assembling |
| CN108356449A (en) * | 2017-12-30 | 2018-08-03 | 江苏中科大港激光科技有限公司 | A kind of sheet metal box body new welding process |
| CN108356449B (en) * | 2017-12-30 | 2020-05-19 | 江苏中科大港激光科技有限公司 | Novel welding process for sheet metal box body |
| CN107900971A (en) * | 2018-01-13 | 2018-04-13 | 郑州百信润唐信息技术有限公司 | Valve collet assembly and disassembly instrument |
| CN112720315A (en) * | 2021-01-08 | 2021-04-30 | 广西玉柴机器股份有限公司 | Three-groove valve collet rapid press-fitting tool, press-fitting machine and using method |
| CN114102094A (en) * | 2021-11-03 | 2022-03-01 | 东风汽车集团股份有限公司 | Press mounting device and press mounting method for lock plate of cylinder cover of automobile engine |
| CN114102094B (en) * | 2021-11-03 | 2022-12-27 | 东风汽车集团股份有限公司 | Press mounting device and press mounting method for lock plate of cylinder cover of automobile engine |
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| Publication number | Publication date |
|---|---|
| CN101934473B (en) | 2012-10-10 |
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Application publication date: 20110105 Assignee: Zhejiang Geely Luoyou Engine Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000312 Denomination of invention: Automobile engine valve lock mounting tool Granted publication date: 20121010 License type: Exclusive License Record date: 20131011 |
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