CN104149057A - Clamp special for oil damper - Google Patents
Clamp special for oil damper Download PDFInfo
- Publication number
- CN104149057A CN104149057A CN201410403312.7A CN201410403312A CN104149057A CN 104149057 A CN104149057 A CN 104149057A CN 201410403312 A CN201410403312 A CN 201410403312A CN 104149057 A CN104149057 A CN 104149057A
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- CN
- China
- Prior art keywords
- snap ring
- clamping
- push rod
- oil
- head
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a clamp special for an oil damper. The clamp comprises a clamping cylinder, a clamping ring female head, a clamping ring male head, an ejector rod, a clamping head and a cushion block. The clamping cylinder and the clamping head are fixed firmly through the cooperating function of the clamping ring female head and the clamping ring male head, a spherical end of the damper is pushed outwards by the ejector rod to be clamped with a left side plate and a right side plate of the clamping head, that is, the spherical end of the damper is respectively in contact with the top end of the ejector rod, the bent portion of the left side plate and the bent portion of the right side plate, clamping space for the head portion of the damper is formed, and the head portion of the damper can be fast dismounted and automatically locked.
Description
Technical field
The present invention relates to a kind of vehicle oil-pressure damper fixture, specifically, relate to a kind of oil-pressure damper special fixture of realizing quick-detachment auto lock.
Background technology
Conventionally produce and rock and wave at running in order to suppress car body, need between car body and bogie, oil-pressure damper be installed, because oil-pressure damper is installed on car body bottom, be easy to wearing and tearing or corrosion in water occur, cause defective shock absorber.And along with the development of China railways, especially the raising of EMUs, harmonious locomotive, rolling stock and subway city rail vehicle road speed, the various vertical and horizontal effect producing between wheel track will cause the high vibration of Vehicular system, and the oscillation damping and energy dissipating effect of shock absorber just seems particularly important.For improving vehicle transport comfort level, ensureing vehicle transport security, need to carry out periodic inspection to the oil-pressure damper of vehicle, but because of oil-pressure damper model pattern diversity, existing oil-pressure damper fixture versatility is poor, complex structure, and clamping process automaticity is low, need to consume a large amount of manpowers, cause that oil-pressure damper overhaul efficiency is low, maintenance safety and poor reliability, can not meet ride-control and overhaul automation and general-purpose demand.
Summary of the invention
The object of this invention is to provide a kind of oil-pressure damper special fixture, can realize the quick-detachment auto lock of shock absorber, improved the automaticity of maintenance, effectively reduce labor intensity of operating staff.
Technical scheme of the present invention is: a kind of oil-pressure damper special fixture, this fixture comprises clamping cylinder, snap ring female, snap ring male, push rod, clamping head and cushion block, described clamping head is the V-type hatch frame of opening upwards, this V-type hatch frame comprise left plate, right plate and connection left plate and right plate and with left plate and the perpendicular square plate of right plate, and the termination of left plate and right plate is aduncate bend, in the middle of square plate, be provided with manhole, and the radius of this manhole is greater than the radius of push rod; Described clamping cylinder upper end axis direction is provided with piston rod, described push rod is installed on the top of piston rod, push rod can upwards promote with piston rod, and the top of push rod is through the manhole of square plate, in clamping process, push rod outwards promotes the spherical termination of shock absorber and left plate and right plate and clamps, under the impetus of clamping cylinder, the spherical termination of shock absorber contacts with 3 of the bends of push rod top, left plate and right plate respectively, by the clamping head of the clamping of shock absorber head and this fixture; The upper end of described clamping cylinder is fixedly connected with the bottom of snap ring female, and snap ring female is hollow circle tube structure, and snap ring female is enclosed within the outside of snap ring male, and snap ring female bottom is provided with groove structure to the inside; Described snap ring male is hollow circle tube structure, snap ring male is located between piston rod and snap ring female, snap ring male top is fixedly connected with clamping head, and snap ring male bottom is provided with bulge-structure laterally, and this bulge-structure coordinates clamping with the groove structure of snap ring female.
Described push rod is dismountable to be fixed between clamping cylinder and clamping head, and push rod is adjustable in length structure, and adjustable length is to adapt to the oil-pressure damper head of different model and specification.
The outside of described piston rod is provided with external thread structure, and the inner side of push rod is provided with female thread structure, and piston rod is connected by helicitic texture with push rod, and push rod is set to replaceable structure, the convenient oil-pressure damper head that adapts to different model and specification.
The dismountable inner side of being located at left plate and right plate bend of described cushion block, cushion block is corner-shape structure, and this corner-shape structure and left plate, right plate bend match, cushion block is by the bend of hexagon socket cap head screw and side plate, the thickness of cushion block is adjustable, to adapt to the oil-pressure damper head of different structure and size.
The groove structure contact position of the bulge-structure of described snap ring male and snap ring female is provided with free gap, conveniently snap ring male and snap ring female are blocked and fixed, this free gap promotes when the spherical termination of shock absorber contacts with right plate with push rod top, left plate automatically to eliminate at clamping cylinder.
Described snap ring male top and clamping head are threaded connection, interior hexagonal cone end tight fixed bolt location.
The rear end of described V-type hatch frame is provided with vertical baffle, and this vertical baffle is provided with U-shaped opening, and the front end of described V-type hatch frame is hatch frame, conveniently the clamping space that clamping head forms is put into from the front end of V-type hatch frame in spherical shock absorber termination.
The present invention's beneficial effect is compared with prior art:
(1) mating reaction that oil-pressure damper special fixture of the present invention passes through snap ring female and snap ring male is by fixed to clamping cylinder and clamping head, and outwards promote the left plate of the spherical termination of shock absorber and clamping head and right plate clamps by push rod, be that the spherical termination of shock absorber contacts with 3 of the bends of push rod top, left plate and right plate respectively, form the clamping space of shock absorber head, realize the quick-detachment auto lock of shock absorber head;
(2) piston rod and push rod are all arranged at the axis direction of clamping cylinder, outwards promote in the spherical termination of shock absorber and left plate and right plate clamping process at push rod, can realize the automatic centering of the spherical termination of shock absorber and this fixture, thereby the axiality of shock absorber and being rigidly connected when guarantee test, improves clamping accuracy;
(3) push rod of this fixture is set to replaceable structure, cushion block is demountable structure, the convenient clamping of the oil-pressure damper head to different model and specification, can be common to domestic existing EMUs, rolling stock, subway city rail vehicle oil-pressure damper head configuration.
Brief description of the drawings
Fig. 1 is the structural representation of fixture of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1 of the present invention;
Fig. 3 is the overall structure schematic diagram of fixture of the present invention.
Wherein, 1 clamping cylinder, 2 snap ring females, 3 snap ring males, 4 push rods, 5 clamping heads, 6 cushion blocks, 7 piston rods, 8 square plates
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the embodiment of a part of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
Embodiment 1
Referring to Fig. 1-Fig. 3, oil-pressure damper special fixture, comprise clamping cylinder 1, snap ring female 2, snap ring male 3, push rod 4, clamping head 5 and cushion block 6, the V-type hatch frame that clamping head 5 is opening upwards, and the spherical termination of shock absorber is positioned in this V-type hatch frame, the rear end of V-type hatch frame is provided with vertical baffle, and this vertical baffle is provided with U-shaped opening, and the front end of V-type hatch frame is hatch frame; This V-type hatch frame comprise left plate, right plate and connection left plate and right plate and with left plate and the perpendicular square plate 8 of right plate, and the termination of left plate and right plate is equipped with aduncate bend, this bend inner side is equipped with dismountable cushion block 6, cushion block 6 is corner-shape structure, and the thickness of cushion block 6 can regulate according to concrete oil-pressure damper head model and specification, to regulate the openings of sizes of clamping head 5.In the middle of square plate 8, be provided with manhole, the top of push rod 4 promotes oil-pressure damper head through the manhole of square plate.Clamping cylinder 1 upper end axis direction is provided with piston rod 7, outwards promote in the spherical termination of shock absorber and left plate and right plate clamping process at push rod 4, can realize the automatic centering of the spherical termination of shock absorber and this fixture, thereby the axiality of shock absorber and being rigidly connected when guarantee test improves clamping accuracy.
Push rod 4 is installed on the top of piston rod 7, and push rod 4 can upwards promote with piston rod 7, and the top of push rod 4 is through the manhole of square plate, and in clamping process, push rod 4 outwards promotes the spherical termination of shock absorber and left plate and right plate clamping.The upper end of clamping cylinder 1 is fixedly connected with the bottom of snap ring female 2, and snap ring female 2 is hollow circle tube structure, and snap ring female 2 is enclosed within the outside of snap ring male 3, and snap ring female 2 bottoms are provided with groove structure to the inside.Snap ring male 3 is hollow circle tube structure, snap ring male 3 is located between piston rod 7 and snap ring female 2, snap ring male 3 tops are fixedly connected with by interior hexagonal cone end tight fixed bolt with clamping head 5, snap ring male 3 bottoms are provided with bulge-structure laterally, this bulge-structure coordinates clamping with the groove structure of snap ring female 2, and this interface arrangment facilitates between snap ring male 3 and snap ring female 2 and carries out installation and removal; The groove structure contact position of the bulge-structure of snap ring male 3 and snap ring female 2 is provided with free gap, this free gap is convenient to snap ring male 3 to be installed on snap ring female 2 inside, and clamping, and this free gap promotes when the spherical termination of shock absorber contacts with right plate with push rod 4 tops, left plate automatically to eliminate at clamping cylinder.
The specific works process of this fixture is:
When work, select corresponding clamping head 5 models according to shock absorber model, and fix with snap ring male 3 tops, according to the thickness of concrete oil-pressure damper head model and specification adjusting cushion block 6, the clamping space that clamping head forms is put into from the front end of V-type hatch frame in spherical shock absorber termination, make the bend of the tight left plate of shock absorber spheric end head rest and right plate.Start clamping cylinder 1, piston rod 7 outwards promotes push rod 4 along clamping cylinder 1 axis direction, push rod 4 outwards promotes the spherical termination of shock absorber and moves to the V-type opening direction of clamping head 5, the spherical termination of shock absorber contacts with 3 of right plate bend C with push rod 4 top A, left plate bend B respectively, form the clamping space of shock absorber head, realize the quick-detachment auto lock of shock absorber head.
Outwards promoting the spherical termination of shock absorber and left plate and right plate at push rod 4 holds out against in process, not only can realize the automatic centering of the spherical termination of shock absorber and this fixture, and can automatically eliminate the free gap of the bulge-structure of snap ring male and the groove structure contact position of snap ring female.
After clamping work completes, to start clamping cylinder 1, piston rod 7 inwardly pulls push rod 4 along clamping cylinder 1 axis direction, push rod 4 inwardly pulls the spherical termination of shock absorber to support or oppose and moves from the V-type opening direction of clamping head 5, now push rod 4 top A do not contact with the spherical termination of shock absorber, be that clamping head 5 unclamps the clamping action of the spherical termination of shock absorber, spherical shock absorber termination is taken out from clamping head 5.
Embodiment 2
As different from Example 1, push rod 4 is dismountable to be fixed between clamping cylinder 1 and clamping head 5, and push rod 4 is adjustable in length structure, the outside of piston rod 7 is provided with external thread structure, the inner side of push rod 4 is provided with female thread structure, piston rod 7 is connected by helicitic texture with push rod 4, the convenient oil-pressure damper head that adapts to different model and specification.
It is only the schematic diagram of a preferred embodiment that those skilled in the art can understand accompanying drawing, and the structure in accompanying drawing might not be that enforcement the present invention is necessary with composition.
Finally it should be noted that: above embodiment is only for illustrating technical scheme of the present invention, but not be limited, although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an oil-pressure damper special fixture, it is characterized in that: this fixture comprises clamping cylinder (1), snap ring female (2), snap ring male (3), push rod (4), clamping head (5) and cushion block (6), the V-type hatch frame that described clamping head (5) is opening upwards, this V-type hatch frame comprise left plate, right plate and connection left plate and right plate and with left plate and the perpendicular square plate (8) of right plate, and the termination of left plate and right plate is aduncate bend, in the middle of square plate (8), be provided with manhole; Described clamping cylinder (1) upper end axis direction is provided with piston rod (7), described push rod (4) is installed on the top of piston rod (7), push rod (4) can upwards promote with piston rod (7), and the top of push rod (4) is through the manhole of square plate (8), in clamping process, push rod (4) outwards promotes the spherical termination of shock absorber and left plate and right plate and clamps; The upper end of described clamping cylinder (1) is fixedly connected with the bottom of snap ring female (2), snap ring female (2) is hollow circle tube structure, snap ring female (2) is enclosed within the outside of snap ring male (3), and snap ring female (2) bottom is provided with groove structure to the inside; Described snap ring male (3) is hollow circle tube structure, snap ring male (3) is located between piston rod (7) and snap ring female (2), snap ring male (3) top is fixedly connected with clamping head (5), snap ring male (3) bottom is provided with bulge-structure laterally, and this bulge-structure coordinates clamping with the groove structure of snap ring female (2).
2. oil-pressure damper special fixture according to claim 1, is characterized in that: described push rod (4) is dismountable to be fixed between clamping cylinder (1) and clamping head (5), and push rod (4) is adjustable in length structure.
3. oil-pressure damper special fixture according to claim 1 and 2, it is characterized in that: the outside of described piston rod (7) is provided with external thread structure, the inner side of push rod (4) is provided with female thread structure, and piston rod (7) is connected by helicitic texture with push rod (4).
4. oil-pressure damper special fixture according to claim 1, is characterized in that: the dismountable inner side of being located at left plate and right plate bend of described cushion block (6), cushion block (6) is corner-shape structure, and the thickness of cushion block (6) is adjustable.
5. oil-pressure damper special fixture according to claim 1, is characterized in that: the groove structure contact position of the bulge-structure of described snap ring male (3) and snap ring female (2) is provided with free gap.
6. oil-pressure damper special fixture according to claim 1, is characterized in that: described snap ring male (3) top and clamping head (5) described snap ring male top and clamping head are threaded connection, interior hexagonal cone end tight fixed bolt location.
7. oil-pressure damper special fixture according to claim 1, is characterized in that: the rear end of described V-type hatch frame is provided with vertical baffle, this vertical baffle is provided with U-shaped opening, and the front end of described V-type hatch frame is hatch frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403312.7A CN104149057B (en) | 2014-08-15 | 2014-08-15 | Oil-pressure damper special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403312.7A CN104149057B (en) | 2014-08-15 | 2014-08-15 | Oil-pressure damper special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149057A true CN104149057A (en) | 2014-11-19 |
| CN104149057B CN104149057B (en) | 2015-12-02 |
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ID=51874773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410403312.7A Active CN104149057B (en) | 2014-08-15 | 2014-08-15 | Oil-pressure damper special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104149057B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623718A (en) * | 2018-12-29 | 2019-04-16 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car oil-pressure damper rubber nodal point Universal angle crimping fixture |
| CN116941521A (en) * | 2022-04-13 | 2023-10-27 | 中国农业科学院棉花研究所 | Cotton selfing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208209A1 (en) * | 1981-03-10 | 1982-11-25 | G.A. Serlachius Oy, 35800 Mänttä | Device for fastening a cylindrical piece, e.g. a tube or a shaft, for machining |
| CN2414874Y (en) * | 1999-12-24 | 2001-01-17 | 于都－富嘉摩托齿轮有限公司 | Short-shaft spline-inserted clamper |
| CN202147157U (en) * | 2011-07-18 | 2012-02-22 | 黄石职业技术学院 | Auxiliary processing clamp of cylinder cover |
| CN102744695A (en) * | 2012-06-21 | 2012-10-24 | 苏州凯尔博精密机械有限公司 | Clamp for circular ring parts |
| CN202862033U (en) * | 2012-06-29 | 2013-04-10 | 山东鲁化尚博复合材料有限公司 | Composite pipe clamping device |
| CN203751760U (en) * | 2014-02-28 | 2014-08-06 | 重庆宏嘉农资有限公司 | Agricultural machine cylinder cover maintaining and clamping device |
-
2014
- 2014-08-15 CN CN201410403312.7A patent/CN104149057B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208209A1 (en) * | 1981-03-10 | 1982-11-25 | G.A. Serlachius Oy, 35800 Mänttä | Device for fastening a cylindrical piece, e.g. a tube or a shaft, for machining |
| CN2414874Y (en) * | 1999-12-24 | 2001-01-17 | 于都－富嘉摩托齿轮有限公司 | Short-shaft spline-inserted clamper |
| CN202147157U (en) * | 2011-07-18 | 2012-02-22 | 黄石职业技术学院 | Auxiliary processing clamp of cylinder cover |
| CN102744695A (en) * | 2012-06-21 | 2012-10-24 | 苏州凯尔博精密机械有限公司 | Clamp for circular ring parts |
| CN202862033U (en) * | 2012-06-29 | 2013-04-10 | 山东鲁化尚博复合材料有限公司 | Composite pipe clamping device |
| CN203751760U (en) * | 2014-02-28 | 2014-08-06 | 重庆宏嘉农资有限公司 | Agricultural machine cylinder cover maintaining and clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623718A (en) * | 2018-12-29 | 2019-04-16 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car oil-pressure damper rubber nodal point Universal angle crimping fixture |
| CN109623718B (en) * | 2018-12-29 | 2024-03-29 | 珠海市业成轨道交通设备科技有限公司 | Universal angle crimping clamp for rubber node of oil pressure damper for high-speed motor train |
| CN116941521A (en) * | 2022-04-13 | 2023-10-27 | 中国农业科学院棉花研究所 | Cotton selfing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104149057B (en) | 2015-12-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. Address before: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee before: Qingdao Sifang Rolling Stock Research Institute Co., Ltd. |