CN106695680B - Hydraulic cylinder piston head provision for disengagement - Google Patents
Hydraulic cylinder piston head provision for disengagement Download PDFInfo
- Publication number
- CN106695680B CN106695680B CN201611251268.8A CN201611251268A CN106695680B CN 106695680 B CN106695680 B CN 106695680B CN 201611251268 A CN201611251268 A CN 201611251268A CN 106695680 B CN106695680 B CN 106695680B
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- CN
- China
- Prior art keywords
- piston head
- fixing piece
- claw
- hydraulic cylinder
- cylinder piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
This patent discloses a kind of hydraulic cylinder piston head provision for disengagement, including main shaft and clamping structure, the main shaft is equipped with screw thread, the clamping structure includes fixing piece and two claws, two claws are fixedly connected with fixing piece one end, the fixing piece is connected with spindle thread, and the claw cross section is in semi-annular shape；The claw is connected by bolt with fixing piece, and the claw side is equipped with multiple fixed blocks, and the claw inner surface is equipped with multiple protrusions, and the main shaft is equipped with magnetic part；The clamping structure is made of metal material.The present invention facilitates the dismounting of piston head.
Description
Technical field
The present invention relates to hydraulic cylinder producing device field, and in particular to a kind of hydraulic cylinder piston head provision for disengagement.
Background technology
Hydraulic cylinder is the executive component in construction machinery hydraulic system, mainly by cylinder barrel, piston rod, cylinder cap, piston head,
Seal forms.Piston head divides two types：One kind is nut self-tightening type piston head, and another kind is screw thread self-tightening type piston head.
Nut self-tightening type piston head can be dismantled by general purpose tool, and disassembly process is more convenient.Screw thread self-tightening type piston head is torn open
Two fixed pin holes stress of piston head upper end can only be relied on to be dismantled when unloading, currently for hydraulic cylinder self-tightening type piston head
Extracting tool in, can not quickly, easily dismantle the specific purpose tool of hydraulic cylinder piston head, be dismantled using general purpose tool
Work efficiency is low, time-consuming, and phenomena such as positioning pin fractures, dowel hole deforms and extracting tool slips easily occurs during dismounting,
To parts and maintenance personal, there are larger security risk.Only have two location holes to utilize on piston head, due to piston
Tightening torque is larger between head and piston rod, the very big torsion of dismounting needs, and hole site depth and limited diameter on piston head,
During using common method for dismounting, extracting tool can not be fixed, and when using larger torsion and firmly inequality, extracting tool is immediately
Slip, cause dowel hole deformation or injury to personnel, there are security risk, easily produces security incident.Therefore, special invention is a kind of
The specific purpose tool of hydraulic cylinder self-tightening type piston head dismounting.
The content of the invention
It is an object of the invention to provide a kind of hydraulic cylinder piston head provision for disengagement, which facilitates the dismounting of piston head.
To reach above-mentioned purpose, base case of the invention is as follows：A kind of hydraulic cylinder piston head provision for disengagement, including main shaft
And clamping structure, the main shaft are equipped with screw thread, the clamping structure includes fixing piece and two claws, two claws and fixation
Part one end is fixedly connected, and the fixing piece is connected with spindle thread, and the claw cross section is in semi-annular shape；The claw passes through
Bolt is connected with fixing piece, and the claw side is equipped with multiple fixed blocks, and the claw inner surface is equipped with multiple protrusions, described
Main shaft is equipped with magnetic part, and the fixing piece is made of metal material.
The working principle and beneficial effect of the present invention is as follows：When being dismantled to hydraulic cylinder piston head, first by hydraulic cylinder
Piston rod is fixed on other devices, and then piston head is extend into clamping structure, makes piston head between two claws,
Then rotating bolt, makes two claws be pushed against respectively with piston head and blocks piston head, and fixed block is propped up piston head.So
Rotational fixture afterwards, fixing piece drive claw to rotate together because being fixedly connected with claw.Frictional force of the piston head in claw
Under the action of also rotate because piston rod has been fixed, piston and piston head produce relative motion, make piston head from piston
Pulled down on bar.Protrusion on claw increases the frictional force between claw and piston head so that piston head is easier to rotate with claw.
Because main shaft and fixing piece is be threadedly coupled, in rotational fixture, fixing piece can produce movement in the horizontal direction, and piston
Head propped up by fixed block, can be moved together under the action of fixed block with fixing piece, such piston head rotated at the same time and to
The power pulled out outside, it is easier to be removed.In addition, the part that is magnetic on main shaft, and fixing piece makes for metal material, is fixed rotating
During part, fixing piece meeting cutting magnetic induction line, makes fixing piece produce heat and acts on piston head by claw, piston head is heated swollen
It is swollen, it is easier to be removed.
Preferred solution one：Based on scheme preferred solution, the fixing piece other end is equipped with handle, passes through handle and turns
Dynamic fixing piece, it is simple, convenient laborsaving.
Preferred solution two, as the preferred solution for having scheme one, the telescopic handle, can revolved by telescoping handle
Control uses different power when turning, simple to operate.
Preferred solution three：Preferably two preferred solution, the handle are hinged with fixing piece, this dress is being not required
When putting, rotational handle, makes handle parallel with fixing piece, so easy to pick and place, saves space.
Preferred solution four：Preferably two preferred solution, the handle are equipped with rubber sleeve, and rubber sleeve can rise
To heat-blocking action, people is avoided to be burned in operation.
Brief description of the drawings
Fig. 1 is the structure diagram of present hydraulic cylinder piston head provision for disengagement embodiment；
Fig. 2 is the front view of claw；
Fig. 3 is the left view of claw；
Fig. 4 is the structure diagram of 2 claw of embodiment.
Embodiment
Below by embodiment, the present invention is described in further detail：
Reference numeral in Figure of description includes：Fixing piece 1, claw 2, fixed block 3, handle 4, main shaft 5, bolt 6, magnetic
Property part 7, protrusion 8, spring 9, fixed column 10, fixed block 11.
Embodiment 1：The present embodiment embodiment is substantially as illustrated in the accompanying drawings from 1 to 3：A kind of hydraulic cylinder piston head provision for disengagement, including
Main shaft 5 and clamping structure, main shaft 5 are equipped with screw thread, and clamping structure includes fixing piece 1 and two claws 2, and two claws 2 are with consolidating
Determine 1 one end of part to be fixedly connected, fixing piece 1 is threadedly coupled with main shaft 5, and 2 cross section of claw is in semi-annular shape；Claw 2 passes through bolt 6
It is connected with fixing piece 1,2 side of claw is equipped with multiple fixed blocks 3, and 2 inner surface of claw is equipped with multiple raised 8, and main shaft 5 is equipped with
Magnetic part 7, fixing piece 1 is made of metal material, such as iron.1 other end of fixing piece is equipped with handle 4, is rotated and fixed by handle 4
Part 1, it is simple, convenient laborsaving.Handle 4 is scalable, can be controlled when rotated using different power by telescoping handle 4,
It is simple to operate.
When being dismantled to hydraulic cylinder piston head, first hydraulic cylinder piston rod is fixed on other devices, then will be living
Chock plug is extend into clamping structure, and making piston head, then rotating bolt 6, distinguish two claws 2 between two claws 2
Pushed against with piston head and block piston head, and fixed block 3 is propped up piston head.Then rotational handle 4 is rotated along main shaft 5, hand
Handle 4 drives fixing piece 1 to rotate.Fixing piece 1 drives claw 2 to rotate together because being fixedly connected with claw 2.Piston head is in card
Also rotated under the action of the frictional force of pawl 2, because piston rod has been fixed, piston produces relative motion with piston head, makes
Piston head is pulled down from piston rod.Protrusion 8 on claw 2 increases the frictional force between claw 2 and piston head so that piston head is more
Easily rotated with claw 2.Because main shaft 5 is with fixing piece 1 to be threadedly coupled, in rotational fixture 1, fixing piece 1 can be in level
Movement is produced on direction, and piston head is propped up by fixed block 3, can be moved together under the action of fixed block 3 with fixing piece 1, this
Sample piston head is subject to rotation and the power outwards pulled out at the same time, it is easier to is removed.In addition, the part 7 that is magnetic on main shaft 5, and fix
Part 1 makes for metal material, and in rotational fixture 1, the meeting cutting magnetic induction line of fixing piece 1, makes fixing piece 1 produce heat and pass through card
Pawl 2 acts on piston head, makes piston head expanded by heating, it is easier to be removed.
Handle 4 is hinged with fixing piece 1, and when the present apparatus is not required, rotational handle 4, makes handle 4 parallel with fixing piece 1, this
Sample saves space easy to pick and place.Handle 4 is equipped with rubber sleeve, and rubber sleeve can play heat-blocking action, avoid people in operation by
Scald.
Embodiment 2：The present embodiment and embodiment 1 difference lies in：Groove is provided with claw 2, has fixed block in groove
113rd, fixed column 10 and spring 9, fixed block are located in spring 9 and are fixedly connected with 9 one end of spring, 9 other end of spring and fixation
Column 10 is fixedly connected.In this way, when selecting fixing piece 1, fixed column 10 is contacted and rotated with piston head, can make claw 2 to piston
The power of head is increasing, the more presss from both sides the more tight to piston head, convenient dismounting.
Above-described is only the embodiment of the present invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Above-described is only the embodiment of the present invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (5)
1. a kind of hydraulic cylinder piston head provision for disengagement, it is characterised in that including main shaft and clamping structure, the main shaft is equipped with spiral shell
Line, the clamping structure include fixing piece and two claws, and two claws are fixedly connected with fixing piece one end, the fixing piece with
Spindle thread connects, and the claw cross section is in semi-annular shape；The claw is connected by bolt with fixing piece, the claw one
Side is equipped with multiple fixed blocks, and the claw inner surface is equipped with multiple protrusions, and the main shaft is equipped with magnetic part, the fixing piece
It is made of metal material；Groove is provided with claw, there is fixed block, fixed column and spring in groove, fixed block be located in spring and
It is fixedly connected with spring one end, the spring other end is fixedly connected with fixed column.
2. hydraulic cylinder piston head provision for disengagement according to claim 1, it is characterised in that the fixing piece other end is equipped with
Handle.
3. hydraulic cylinder piston head provision for disengagement according to claim 2, it is characterised in that the telescopic handle.
4. hydraulic cylinder piston head provision for disengagement according to claim 3, it is characterised in that the handle is cut with scissors with fixing piece
Connect.
5. hydraulic cylinder piston head provision for disengagement according to claim 3, it is characterised in that the handle is equipped with rubber
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251268.8A CN106695680B (en) | 2016-12-30 | 2016-12-30 | Hydraulic cylinder piston head provision for disengagement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251268.8A CN106695680B (en) | 2016-12-30 | 2016-12-30 | Hydraulic cylinder piston head provision for disengagement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106695680A CN106695680A (en) | 2017-05-24 |
| CN106695680B true CN106695680B (en) | 2018-05-15 |
Family
ID=58906043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251268.8A Active CN106695680B (en) | 2016-12-30 | 2016-12-30 | Hydraulic cylinder piston head provision for disengagement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106695680B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9308869U1 (en) * | 1993-06-15 | 1993-09-16 | Weitner Werner | Spring tensioning device |
| GB2392711B (en) * | 2002-09-03 | 2004-08-18 | Auto Service Tools Ltd | Holding device |
| CN201338254Y (en) * | 2008-12-04 | 2009-11-04 | 广州柴油机厂 | Motorship-used connecting rod big-end top brass dismantling device |
| CN201895298U (en) * | 2010-11-12 | 2011-07-13 | 奇瑞汽车股份有限公司 | Device for disassembling and assembling electric spindle clamping jaw |
| CN103586832A (en) * | 2013-11-07 | 2014-02-19 | 重庆风过旗扬科技发展有限公司 | Cylindrical workpiece taking and placing device |
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2016
- 2016-12-30 CN CN201611251268.8A patent/CN106695680B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106695680A (en) | 2017-05-24 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210219 Address after: 401120 Yubei District, Chongqing Shuangfeng bridge airport development zone, Xiangyu Road, No. 15, 2. Patentee after: Chongqing Bochuang Intellectual Property Operations Co.,Ltd. Address before: No. 999 Xingguang Avenue, Yongchuan District, Chongqing 402160 (in Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing) Patentee before: CHONGQING WAYCH HYDRAULIC MACHINERY Co.,Ltd. |