CN108098669B - A kind of engine valve lock clamp dismounting auxiliary tool - Google Patents
A kind of engine valve lock clamp dismounting auxiliary tool Download PDFInfo
- Publication number
- CN108098669B CN108098669B CN201711351273.0A CN201711351273A CN108098669B CN 108098669 B CN108098669 B CN 108098669B CN 201711351273 A CN201711351273 A CN 201711351273A CN 108098669 B CN108098669 B CN 108098669B
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- press
- screw rod
- bracket
- auxiliary tool
- connect
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- 238000009434 installation Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of engine valve lock clamps to dismount auxiliary tool, including screw rod, Fixing clamp-seat, guide pad, press-loading device, bracket, the rack-mount portion of guide pad, the Fixing clamp-seat is mounted on guide pad top, the screw rod passes through Fixing clamp-seat and guide pad along the vertical direction, and screw rod lower part is connect with press-loading device.The present invention is using the mode of screw rod come by air compression spring, when repairing large diesel engine, air compression spring can be easily pressed, completes the dismounting work of valve collet, while screw rod has self-locking function, after completing pressing, maintenance personal can carry out dismounting work with both hands, provide working efficiency, and improve operation safety, press-loading device can be adjusted according to the valve stem of different model, can meet the use demand of the valve stem of different model.
Description
Technical field
The present invention relates to engine maintenance field of tool more particularly to a kind of engine valve lock clamp to dismount auxiliary tool.
Background technique
Currently, the valve stem of engine makes its compression cylinder body by the great spring of elastic force, there is valve enough
Air-tightness, to guarantee the normal work of engine, and the locking between spring and valve stem is realized by valve collet, is sent out
When motivation is repaired, to dismantle valve stem, then needs to overcome the huge elastic force of spring to take out valve collet, can just remove later
Valve stem, current most of dismounting to valve collet are manually realized using simple auxiliary tool, such as using general
Logical sleeve pressing spring-leaf retainer overcomes elastic force, and light-duty diesel engine or gasoline engine may be implemented in this method, but right
It for large diesel engine, then needs to overcome huge spring force, be easy so that maintenance personal presses unstable and leads to lateral deviation
Sliding, it is hard, success rate is low and sliding will cause personnel safety problem, some dismounting modes then by the way of hammer percussion,
But can be easy so that valve collet thrum it is winged, if tap it is inaccurate can also damage valve stem, valve collet and spring-leaf retainer, at present
Also there is the specific purpose tool of some engine valve lock clamp dismounting, for example, the China application No. is 201410807441.2 is special
Benefit discloses a kind of engine valve lock clamp dismantling device and assembly and disassembly methods, which can be ingenious, effective by way of pressing
Dismounting valve collet, but the internal diameter of the valve spring holder pressure head of the device is that fixed, applicable valve stem is less, and
The device overcomes the elastic force of spring by way of pressing, when dismounting the valve collet of large diesel engine, due to heavy bavin
The spring force of oil machine is very big, and worker's dismounting difficulty is big, in another example, application No. is 201410115734.4 Chinese patents to disclose
A kind of specific purpose tool dismounting diesel engine valve spring, the device overcome the elastic force of spring using lever principle and by spring
Compression, but there is no self-locking device on the device, when in use, need to be kept the position of compression bar with a hand, at this point, only remaining in addition
One hand is operated, and operational inconvenience is caused, and when dismounting valve collet, is easy to appear spring reset, is jammed a finger
The case where.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of engine valve lock clamps to dismount auxiliary tool, to solve
Prior art poor universality, it is inconvenient the problems such as.
The present invention is achieved by the following technical programs.
A kind of engine valve lock clamp provided by the invention dismounts auxiliary tool, including screw rod, Fixing clamp-seat, guide pad,
Press-loading device, bracket, the rack-mount portion of guide pad, the Fixing clamp-seat are mounted on guide pad top, the screw rod
Fixing clamp-seat and guide pad are passed through along the vertical direction, and screw rod lower part is connect with press-loading device.
The bracket includes upper bracket, lower bracket, and the upper bracket and lower bracket are L-type structure, and upper bracket passes through
Attachment device is connect with lower bracket.
The attachment device is made of conduit and locking nut, and the conduit lower weld is in lower bracket top, upper bracket
Lower part is inserted into conduit, and is connect by locking nut with conduit.
The lower bracket lower part is equipped with movable brace rod, and the movable brace rod and lower bracket are hinged.
The lower bracket lower part is equipped with valve pad, and the valve pad is connect with lower bracket end.
The press-loading device includes press fitting frame, movable rod, briquetting, and the press fitting frame is equipped with multiple press fitting feet, described
Movable rod and press fitting foot are hinged, and the press fitting underfooting portion is equipped with mounting hole, and briquetting one end is inserted into mounting hole, the other end and work
Dynamic connecting rod connection.
Adjusting screw rod and spring are additionally provided between press fitting foot and the movable rod, spring pocket is adjusted on adjusting screw rod
Section screw rod one end is fixed on press fitting foot, and the other end is connect by adjusting nut with movable rod.
The movable rod end is equipped with guide groove.
The briquetting side is equipped with rubber pad, and the other end is equipped with slide bar, and the briquetting is connect by slide bar with guide groove.
The Fixing clamp-seat is equipped with press-fited nut, and the press-fited nut connect with Fixing clamp-seat top and in press-fited nut
Side is connect by screw thread with screw rod.
The beneficial effects of the present invention are: using the mode of screw rod come by air compression spring, when repairing large diesel engine,
Air compression spring can be easily pressed, completes the dismounting work of valve collet, while screw rod has self-locking function, after completing pressing,
Maintenance personal can carry out dismounting work with both hands, provide working efficiency, and improve operation safety, press-loading device can be according to difference
The valve stem of model is adjusted, and can meet the use demand of the valve stem of different model.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is press-loading device schematic diagram of the present invention；
Fig. 3 is the schematic diagram of present invention press fitting foot；
Fig. 4 is operation schematic diagram of the present invention；
Fig. 5 is the enlarged diagram of press-loading device when the invention works；
In figure: 1- screw rod, 2- Fixing clamp-seat, 3- guide pad, 4- press-loading device, 5- bracket, 6- valve stem, 7- valve bullet
Spring, 8- spring-leaf retainer, 9- valve collet, 10- cylinder block, 21- press-fited nut, 22- handle, 41- press fitting frame, 42- movable rod,
43- briquetting, 44- press fitting foot, 45- adjusting screw rod, 46- adjusting nut, 47- spring, 48- rubber pad, 49- slide bar, 50- guide groove,
51- upper bracket, 52- attachment device, 53- lower bracket, 54- movable brace rod, 55- valve pad, 56- conduit, 57- locking nut.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
As shown in Figure 1, a kind of engine valve lock clamp dismounts auxiliary tool, including screw rod 1, Fixing clamp-seat 2, guide pad 3,
Press-loading device 4, bracket 5, the guide pad 3 are mounted on 5 top of bracket, and the Fixing clamp-seat 2 is mounted on 3 top of guide pad, institute
It states screw rod 1 and passes through Fixing clamp-seat 2 and guide pad 3 along the vertical direction, and 1 lower part of screw rod is connect with press-loading device 4, in use, logical
The handle 22 in rotation press-fited nut 21 is crossed, screw rod 1 is moved down, spring-leaf retainer 8 is pressed by press-loading device 4, makes valve
Spring 7 is compressed, by after the issuing of valve spring 8 to 9 installation site of valve collet, can complete valve collet 9 installation or
Dismantlement work.
The bracket 5 includes upper bracket 51, lower bracket 53, and the upper bracket 51 and lower bracket 53 are L-type structure, and on
Bracket 51 is connect by attachment device 52 with lower bracket 53, and the bracket of c-type structure is formed after upper bracket 51 and the connection of lower bracket 53
5。
The attachment device 52 is made of conduit 56 and locking nut 57, and 56 lower weld of conduit is on lower bracket 53
Portion, 51 lower part of upper bracket are inserted into conduit 56, and are connect by locking nut 57 with conduit 56, and upper bracket 51 can be in conduit 56
Middle sliding can be carried out for the height of adjusting bracket 5 when dismounting different engines according to the cylinder block 10 of engine
Adjustment is fixed after the completion of the adjustment of 51 position of upper bracket using locking nut 57, and locking nut 57 is by squeezing upper bracket
51, it prevents it from sliding in conduit 56, realizes position locking.
53 lower part of lower bracket is equipped with movable brace rod 54, and the movable brace rod 54 and lower bracket 53 are hinged, movable brace rod
54 altogether there are two, in use, can open, have a certain degree with 53 shape of lower bracket, improve the stability of entire dismantling device,
When not in use, movable brace rod 54 can be closed, saves the parking space of tool.
53 lower part of lower bracket is equipped with valve pad 55, and the valve pad 55 is connect with 53 end of lower bracket, in dismounting,
Valve pad 55 can withstand valve stem 6, prevent it from moving up and down, and influence disassembly efficiency and safety.
As shown in Fig. 2, the press-loading device 4 includes being pressed frame 41, movable rod 42, briquetting 43, on the press fitting frame 41
Equipped with multiple press fitting feet 44, the movable rod 42 and press fitting foot 44 are hinged, and 44 lower part of press fitting foot is equipped with mounting hole, briquetting
43 one end are inserted into mounting hole, and the other end is connect with movable rod 42, and briquetting 43 can slide in mounting hole, when in use may be used
To be adjusted according to the engine of different model, the size in the space for surrounding briquetting 43 is less than the diameter of spring-leaf retainer 8
And it is greater than the outer diameter of valve collet 9, allowing to press spring-leaf retainer 8 moves down, and valve collet 9 can pass through briquetting 43
In the space surrounded.
As shown in figure 3, being additionally provided with adjusting screw rod 45 and spring 47, spring 47 between the press fitting foot 44 and movable rod 42
It is sleeved on adjusting screw rod 45,45 one end of adjusting screw rod is fixed on press fitting foot 44, and the other end passes through adjusting nut 46 and activity
Connecting rod 42 connects, and by rotating adjusting nut 46, makes movable rod 42 that briquetting 43 be driven to move in mounting hole, realizes and adjust pressure
4 inside dimension of mounting mechanism meets the valve collet requirement for dismounting different engines.
42 end of movable rod is equipped with guide groove 50, and slide bar 49 can slide in guide groove 50, makes movable rod 42 can be with
Briquetting 43 is adjusted in the position of mounting hole.
43 side of briquetting is equipped with rubber pad 48, and the other end is equipped with slide bar 49, and the briquetting 43 passes through slide bar 49 and leads
Slot 50 connects, and rubber pad 48 can prevent dismantling device from scratching spring-leaf retainer 8, and movable rod 42 passes through slide bar 49 in rotation
Briquetting 43 is pulled, realizes adjustment briquetting 43 in the function of the position of mounting hole.
The Fixing clamp-seat 2 is equipped with press-fited nut 21, and the press-fited nut 21 connect and is pressed with 2 top of Fixing clamp-seat
It is connect by screw thread with screw rod 1 on the inside of nut 21, handle 22 is additionally provided in press-fited nut 21, driven and be pressed by rotating handle 22
Nut 21 makes screw rod 1 obtain the power moved down, for overcoming the elastic force of valve spring 7, after air compression spring 7, due to pressure
There is frictional force between loading nut 21 and screw rod 1 and between press-fited nut 21 and Fixing clamp-seat 2, therefore does not need to protect using hand
The position of handle 22 is held, even if loosing one's grip, the position of screw rod 1 can still be remained unchanged, and maintenance personal can be used both hands and tear open
Industry is pretended, working efficiency and safety are improved.
The course of work that present invention be described in more detail with reference to the accompanying drawing.
As shown in Figure 4, Figure 5, when carrying out engine valve lock clamp disassembly, two movable brace rods 54 are opened properly first
Angle, and unscrew locking nut 57, adjust the height of upper bracket 5, locking nut 57 is tightened after the completion of adjustment, then by cylinder
Body 10 is placed on two movable brace rods 54, pays attention to that 6 bottom of valve stem need to be made to face valve pad 55, to compress valve stem 6 not
It allows it to move up and down, then by knob adjusting nut 46, adjusts the insertion depth of briquetting 43, be allowed to be suitble to spring-leaf retainer 8
Size, then turn handle 22 drives press-fited nut 21 to rotate, screw rod 1 pressed down on, overcomes the elastic force of valve spring 7, directly
It is completely exposed to valve collet 9, is then taken out valve collet 9 using hand or nipper plier, complete disassembly operation.
When carrying out engine valve lock clamp installation, two movable brace rods 54 are opened into suitable angle first, and unscrew
Locking nut 57 adjusts the height of upper bracket 5, tightens locking nut 57 after the completion of adjustment, cylinder block 10 is then placed in two
On root movable brace rod 54, pay attention to that 6 bottom of valve stem need to be made to face valve pad 55, do not allow it to move up and down to compress valve stem 6,
Then by knob adjusting nut 46, the insertion depth of briquetting 43 is adjusted, is allowed to be suitble to the size of spring-leaf retainer 8, then turn
Handle 22 drives press-fited nut 21 to rotate, screw rod 1 is pressed down on, the elastic force of valve spring 7 is overcome, until on valve stem 6
9 mounting groove of valve collet is completely exposed, and then installs valve collet 9 in valve stem 6, then slow rotational handle 22, makes gas
Grille clip 9 enters in spring-leaf retainer 8 slowly, completes installation exercise.
Claims (9)
1. a kind of engine valve lock clamp dismounts auxiliary tool, it is characterised in that: including screw rod (1), Fixing clamp-seat (2), guiding
Block (3), press-loading device (4), bracket (5), the guide pad (3) are mounted on bracket (5) top；Fixing clamp-seat (2) installation
On guide pad (3) top；The screw rod (1) passes through Fixing clamp-seat (2) and guide pad (3), and screw rod (1) lower part along the vertical direction
It is connect with press-loading device (4), the press-loading device (4) includes press fitting frame (41), movable rod (42), briquetting (43), the pressure
(41) are shelved equipped with multiple press fitting feet (44), the movable rod (42) be pressed foot (44) hingedly, the press fitting foot (44)
Lower part is equipped with mounting hole, and briquetting (43) one end is inserted into mounting hole, and the other end is connect with movable rod (42).
2. a kind of engine valve lock clamp as described in claim 1 dismounts auxiliary tool, it is characterised in that: the bracket (5)
Including upper bracket (51), lower bracket (53), the upper bracket (51) and lower bracket (53) are L-type structure, and upper bracket (51)
It is connect by attachment device (52) with lower bracket (53).
3. a kind of engine valve lock clamp as claimed in claim 2 dismounts auxiliary tool, it is characterised in that: the attachment device
(52) it is made of conduit (56) and locking nut (57), conduit (56) lower weld is in lower bracket (53) top, upper bracket
(51) it in lower part insertion conduit (56), and is connect by locking nut (57) with conduit (56).
4. a kind of engine valve lock clamp as claimed in claim 2 dismounts auxiliary tool, it is characterised in that: the lower bracket
(53) lower part is equipped with movable brace rod (54), and the movable brace rod (54) and lower bracket (53) are hinged.
5. a kind of engine valve lock clamp as claimed in claim 2 dismounts auxiliary tool, it is characterised in that: the lower bracket
(53) lower part is equipped with valve pad (55), and the valve pad (55) connect with lower bracket (53) end.
6. a kind of engine valve lock clamp as described in claim 1 dismounts auxiliary tool, it is characterised in that: the press fitting foot
(44) adjusting screw rod (45) and spring (47) are additionally provided between movable rod (42), spring (47) is sleeved on adjusting screw rod (45)
On, adjusting screw rod (45) one end is fixed in press fitting foot (44), and the other end is connected by adjusting nut (46) and movable rod (42)
It connects.
7. a kind of engine valve lock clamp as described in claim 1 dismounts auxiliary tool, it is characterised in that: the movable rod
(42) end is equipped with guide groove (50).
8. a kind of engine valve lock clamp as described in claim 1 dismounts auxiliary tool, it is characterised in that: the briquetting (43)
Side is equipped with rubber pad (48), and the other end is equipped with slide bar (49), and the briquetting (43) is connect by slide bar (49) with guide groove (50).
9. a kind of engine valve lock clamp as described in claim 1 dismounts auxiliary tool, it is characterised in that: the Fixing clamp-seat
(2) press-fited nut (21) are equipped with, the press-fited nut (21) connect with Fixing clamp-seat (2) top and on the inside of press-fited nut (21)
It is connect by screw thread with screw rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351273.0A CN108098669B (en) | 2017-12-15 | 2017-12-15 | A kind of engine valve lock clamp dismounting auxiliary tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351273.0A CN108098669B (en) | 2017-12-15 | 2017-12-15 | A kind of engine valve lock clamp dismounting auxiliary tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098669A CN108098669A (en) | 2018-06-01 |
| CN108098669B true CN108098669B (en) | 2019-10-11 |
Family
ID=62217269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711351273.0A Active CN108098669B (en) | 2017-12-15 | 2017-12-15 | A kind of engine valve lock clamp dismounting auxiliary tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN108098669B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048789B (en) * | 2018-10-28 | 2024-01-19 | 邵阳学院 | Novel assembly and disassembly tools of valve collet |
| CN110561334A (en) * | 2019-09-29 | 2019-12-13 | 济南隆超石油机械锻造有限公司 | Combined disassembling tool for piston clamp spring |
| CN113386086A (en) * | 2021-06-17 | 2021-09-14 | 江苏核电有限公司 | Electric actuator brake mechanism dismounting device and method |
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|---|---|---|---|---|
| GB853893A (en) * | 1958-05-07 | 1960-11-09 | Terry Herbert & Sons Ltd | An improved device for use in compressing the valve springs of internal combustion engines |
| US4376331A (en) * | 1980-11-10 | 1983-03-15 | Parker-Hannifin Corporation | Valve spring compressor |
| CN201423608Y (en) * | 2009-04-13 | 2010-03-17 | 无锡职业技术学院 | Special tool for dismantling valve |
| CN101780633A (en) * | 2010-03-16 | 2010-07-21 | 重庆长安汽车股份有限公司 | Automobile engine cotter installation tool |
| 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 |
| CN107030646A (en) * | 2017-05-04 | 2017-08-11 | 中国北方发动机研究所(天津) | A kind of high-adaptability spiracle disassembling and assembling device |
-
2017
- 2017-12-15 CN CN201711351273.0A patent/CN108098669B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB853893A (en) * | 1958-05-07 | 1960-11-09 | Terry Herbert & Sons Ltd | An improved device for use in compressing the valve springs of internal combustion engines |
| US4376331A (en) * | 1980-11-10 | 1983-03-15 | Parker-Hannifin Corporation | Valve spring compressor |
| CN201423608Y (en) * | 2009-04-13 | 2010-03-17 | 无锡职业技术学院 | Special tool for dismantling valve |
| CN101780633A (en) * | 2010-03-16 | 2010-07-21 | 重庆长安汽车股份有限公司 | Automobile engine cotter installation tool |
| 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 |
| CN107030646A (en) * | 2017-05-04 | 2017-08-11 | 中国北方发动机研究所(天津) | A kind of high-adaptability spiracle disassembling and assembling device |
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| Publication number | Publication date |
|---|---|
| CN108098669A (en) | 2018-06-01 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180601 Assignee: Guangxi Jingwu Technology Co.,Ltd. Assignor: NANNING University Contract record no.: X2022450000611 Denomination of invention: An auxiliary tool for disassembly and assembly of engine valve clamp Granted publication date: 20191011 License type: Common License Record date: 20221230 |
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Effective date of registration: 20240506 Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 530200 No. 8, Ting Ting Road, Yongning District, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: NANNING University Country or region before: China |
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Effective date of registration: 20240515 Address after: Building 7, No. 32 Bohai Road, Pingfang District, Harbin City, Heilongjiang Province, 150000 yuan Patentee after: Harbin Changxin Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region before: China |