CN205978245U - Quick locking device of attenuator hemisphere piston rod link - Google Patents
Quick locking device of attenuator hemisphere piston rod link Download PDFInfo
- Publication number
- CN205978245U CN205978245U CN201620733461.4U CN201620733461U CN205978245U CN 205978245 U CN205978245 U CN 205978245U CN 201620733461 U CN201620733461 U CN 201620733461U CN 205978245 U CN205978245 U CN 205978245U
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- location structure
- dop seat
- pulling shaft
- locking
- locating surface
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Abstract
The utility model discloses a quick locking device of attenuator link, including attenuator, dop seat, drawing axle and lock nut, the attenuator is installed on the dop seat through its link, draw the epaxial location structure of being equipped with, this location structure comprises rectangle locating surface and circular locating surface, is equipped with and draws epaxial location structure matched with step form profile modeling location structure on the dop seat, draw epaxial location structure to embolia the step form profile modeling location structure on the dop seat, the step form profile modeling location structure on the dop seat pastes and tightly draws epaxial rectangle locating surface to accomplish radical location, and the step form profile modeling location structure on the dop seat pastes and tightly draws epaxial circular locating surface to accomplish axial positioning, draws and locks through lock nut between axle and the dop seat. Still disclose and be used for the quick locking device of pantograph attenuator link. The utility model has the advantages of eliminate owing to the resistance that punching square shaft damping rubber brought, the test data of messenger's attenuator is convergence in actual state more.
Description
Technical field
This utility model is related to damper technique field, and relate in particular to is that a kind of pantograph damper connection end is fast
The technology of fast locking device.
Background technology
Pantograph damper（Also known as " vibroshock "）It is a vitals on rolling stock, due to the car of rolling stock
Wheel contact between rail surface being steel to steel, therefore, the irregularity of the irregular and track of wheel surface is all directly through wheel
Pass to sprung parts up, make rolling stock each several part produce high frequency or low-frequency vibration.If vibroshock is not passed through in this vibration
To decay, structural strength and the service life of mechanical part will be reduced, to deteriorate riding quality.Its performance of antivibrator is good and bad directly
Have influence on safety and the comfortableness of driving.Especially the railway construction of China in recent years enters a period developing rapidly,
Due to the speed-raising of railway and developing rapidly of urban track traffic, highlight the demand to High Damping Performance device.Produce high-performance
Oil-pressure damper need to have perfect detection meanss.
The production of external pantograph damper and highly developed, the prototype of the antivibrator that current China is used of development
Major part is from America and Europe.Renowned company includes koni company of the U.S., German SACHS company etc. although through digestion for many years
Absorbing us has had the Engine Damper manufacturer of oneself and the model standard of oneself, but is all derived from America and Europe.Reason
Be China synchronously do not introduce production standard and detection technique when introducing these products so that our product always
Lag behind America and Europe, the antivibrator 100% of bullet train derives from America and Europe.
The repair apparatus present situation of China's antivibrator is as follows at present；
In the development of antivibrator detection technique, Tongji University of China is devoted to the exploration in this direction for many years always,
Vertical, achieve greatly achieve laterally and in terms of the test equipment of anti-hunting damper holder in exploitation locomotive, the equipment of development exists
Domestic large-scale vibroshock factory is used as standard test equipment.
In addition some domestic railway transportation equipment factories also produce the testing equipment of antivibrator, but these products are all
Be not suitable for detection with the antivibrator of American-European standard inlet, only as a kind of simple test equipment.Another major reason is exactly
They do not grasp or take the critical technical parameter of pantograph damper.
Background technology of the present utility model:Because domestic vibroshock testing equipment is not marked with Europe in measuring technology
Quasi- docking, so testing equipment can not reach requirement, processes in the ins and outs of this one side and there is larger difference, mainly with
Lower 2 kinds of methods all can not reach requirement：
1）The method being attached using the punching square shaft of damper half spherical piston bar connection end.
2）The method plane of damper half spherical piston bar connection end being attached using briquetting.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model provides a kind of elimination to bring due to punching square shaft vibration isolation rubber
Resistance, make the test data of antivibrator more level off to the antivibrator connection end quick-locking device of virtual condition and pantograph
Antivibrator connection end quick-locking device.
This utility model is achieved through the following technical solutions：
A kind of antivibrator connection end quick-locking device it is characterised in that：Described antivibrator connection end quick-locking device
Including antivibrator, dop seat, pulling shaft and the locking nut for being fixed between dop seat and pulling shaft, antivibrator passes through it
Connection end is arranged on dop seat, and described pulling shaft is provided with location structure, and this location structure is by rectangle locating surface and circular positioning
Face is constituted, and dop seat is provided with the step-like profiling location structure matching with the location structure on pulling shaft, on described pulling shaft
Location structure is inserted in the step-like profiling location structure on dop seat, and the step-like profiling location structure on dop seat is adjacent to pulling shaft
On rectangle locating surface complete radial positioning, the step-like profiling location structure on dop seat is adjacent to the circular locating surface on pulling shaft
Complete axially position, locked by locking nut between pulling shaft and dop seat.
Hemispherical piston rod end is connected with described antivibrator, dop seat is provided with for placing connection on antivibrator
The cavity of hemispherical piston rod end, is provided with the chuck in circular arc shape between cavity and described hemispherical piston rod end,
Screwed hole is additionally provided with dop seat and locking knob is installed, one end of locking knob is handle, and the other end passes through dop seat
On screwed hole contact with chuck, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, and described locking knob is real
Existing hemispherical piston rod end to heart locking function.
A kind of pantograph damper connection end quick-locking device it is characterised in that：Described pantograph damper connection end
Quick-locking device includes pantograph damper, dop seat, pulling shaft and the lock for being fixed between dop seat and pulling shaft
Jack panel, pantograph damper is connected through end and is arranged on dop seat, and described pulling shaft is provided with location structure, and this positioning is tied
Structure is made up of rectangle locating surface and circular locating surface, and dop seat is provided with match with the location structure on pulling shaft step-like imitative
Shape location structure, the location structure on described pulling shaft is inserted in the step-like profiling location structure on dop seat, the platform on dop seat
The rectangle locating surface that scalariform profiling location structure is adjacent on pulling shaft completes radial positioning, the step-like profiling positioning knot on dop seat
The circular locating surface that structure is adjacent on pulling shaft completes axially position, is locked by locking nut between pulling shaft and dop seat.
Described locking nut be provided with for quick locking with loosen the handle without specific purpose tool for the locking nut.
Described locking nut is provided with fine thread, during rotary handle, drives locking nut reach lock by fine thread
Grip headstock.
Hemispherical piston rod end is connected with described pantograph damper, dop seat is provided with for placing pantograph resistance
The cavity of the hemispherical piston rod end connecting on Buddhist nun's device, is provided with circular arc between cavity and described hemispherical piston rod end
The chuck of profile, is additionally provided with screwed hole on dop seat and is provided with locking knob, and one end of locking knob is handle, the other end
Contact through the screwed hole on dop seat with chuck, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, described
Locking knob realize hemispherical piston rod end to heart locking function.
This utility model has following technological merit：
This utility model adopts hemispherical attachment means and the hemispherical tailpiece of the piston rod head shapes of antivibrator to realize coincideing, real
Now it is rigidly connected, eliminates the resistance that brings due to punching square shaft vibration isolation rubber, make the test data of antivibrator more level off to reality
Border state, particularly solve rail traffic vehicles one be vibration insulating system, two be vibration insulating system, vibration damping in pantograph vibration insulating system
The quick test of device connects.Quick locking, this connection be can achieve to the damper half spherical piston bar connection end of different size
Mode eliminates due to the internal impact to test data for the vibration isolation rubber in damper half spherical piston bar connection end.
Brief description
Fig. 1 is this utility model pantograph damper connection end quick-locking device structural representation；
Fig. 2 is the cut away view at the A-A of Fig. 1；
Fig. 3 is this utility model dop holder structure schematic diagram；
Fig. 4 is the jacket structured schematic diagram of this utility model；
Fig. 5 is this utility model pulling shaft structural representation；
Fig. 6 is this utility model locking nut structure schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail.
This utility model antivibrator connection end quick-locking device, including antivibrator, dop seat, pulling shaft and be used for dop
The locking nut being fixed between seat and pulling shaft, antivibrator is connected through end and is arranged on dop seat, described pulling shaft sets
There is location structure, this location structure is made up of rectangle locating surface and circular locating surface, and dop seat is provided with and the positioning on pulling shaft
The step-like profiling location structure that structure matches, the step-like profiling that the location structure on described pulling shaft is inserted on dop seat is fixed
Bit architecture, the rectangle locating surface that the step-like profiling location structure on dop seat is adjacent on pulling shaft completes radial positioning, dop seat
On the circular locating surface that is adjacent on pulling shaft of step-like profiling location structure complete axially position, pass through between pulling shaft and dop seat
Locking nut is locked.Hemispherical piston rod end is connected with antivibrator, dop seat is provided with for placing antivibrator
The cavity of the hemispherical piston rod end connecting, is provided with circular arc shape between cavity and described hemispherical piston rod end
Chuck, is additionally provided with screwed hole on dop seat and is provided with locking knob, and one end of locking knob is handle, and the other end passes through card
Screwed hole on headstock is contacted with chuck, and the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, described locking rotating
Button realize hemispherical piston rod end to heart locking function.
Taking pantograph damper as a example illustrate below.
As shown in Figure 1, Figure 2, pantograph damper connection end quick-locking device, including pantograph damper 7, dop seat 5, draws
Axle 1 and the locking nut 2 for being fixed between dop seat and pulling shaft, pantograph damper is connected through end and is arranged on
On dop seat 5, described pulling shaft 1 is provided with location structure, and this location structure is made up of rectangle locating surface 11 and circular locating surface 12,
Dop seat 5 is provided with the step-like profiling location structure 51 matching with the location structure on pulling shaft, the location structure on pulling shaft
It is inserted in the step-like profiling location structure on dop seat, the step-like profiling location structure on dop seat is adjacent to the rectangle on pulling shaft
Locating surface completes radial positioning, and the circular locating surface that the step-like profiling location structure on dop seat is adjacent on pulling shaft completes axial direction
Positioning, is locked by locking nut between pulling shaft and dop seat.Locking nut 2 be provided with for quick locking with loosen
Locking nut is without the handle 3 of specific purpose tool.Locking nut 2 is provided with fine thread 21, and locking nut 2 is by cylindrical body
Constitute with the dome cylinder protruding above in this cylindrical body end face, cylindrical body and dome cylinder are in middle vehicle system one unthreaded hole, position
Light hole section in dome cylinder is provided with fine thread 21, and cylindrical body is additionally provided with handle 3 installing hole, and the axle portion of pulling shaft 1 is installed
In cylindrical body light in the hole, during rotary handle, locking nut reach locking chuck seat is driven by fine thread.Dop seat 5
Referred to as base of the carrier head.The rectangular cross section in cross section of the rectangle locating surface of the location structure wherein on pulling shaft, and rectangular cross section
Four angles carry out chamfering, the circular in cross-section cross section of the circle locating surface of the location structure on described pulling shaft, dop seat
On cavity be a circular cylindrical cavity, this circular cylindrical cavity one end is opening, and the underside wall of the other end is provided with circular perforations, card
Step-like profiling location structure on headstock is one " convex " font cavity, and " convex " font cavity is provided with determining of convenient placement pulling shaft
The opening of the shaft body of the opening of bit architecture and embedded pulling shaft, the positioning knot on pulling shaft is installed in the big oral cavity of " convex " font atrium
The circle locating surface part of structure, the rectangle positioning face of the location structure on pulling shaft is installed in the little oral cavity of " convex " font atrium
Point.
Hemispherical piston rod end is connected with pantograph damper, dop seat is provided with for placing pantograph damper
The cavity 52 of the hemispherical piston rod end of upper connection, is provided with outside in circular arc between cavity and described hemispherical piston rod end
The chuck of shape, is additionally provided with screwed hole on dop seat and is provided with locking knob 4, and one end of locking knob 4 is handle, the other end
Contact through the screwed hole on dop seat with chuck, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, described
Locking knob 4 realize hemispherical piston rod end to heart locking function.
From the foregoing, this utility model relates generally to following technological core point：
1st, rigidly connected Quick locking structure：
This utility model achieves the hemispherical piston rod end of pantograph damper and being rigidly connected of chuck, eliminate by
The resistance bringing in punching square shaft vibration isolation rubber.By being contained in chuck and the pantograph damper half that base of the carrier head is in dop seat 5
Ball coupling head profiling combines assembling, and locking knob is carried out to antivibrator connection end realizing radial positioning after regulation of mental activities locking.Using
Step-like profiling location structure, is manually realized the quick positioning of base of the carrier head and 90 degree of fast steerings, then is carried by special locking nut
For huge coupling mechanism force locking carried out to base of the carrier head realize axially position, now complete the rigidity to pantograph damper and connect
Connect.This utility model increases rotary handle on locking nut, is not required to additional means, realizes quick locking and loosens.
2nd, quick-replaceable card cover device：
According to different pantograph damper hemispherical connection ends, need a kind of frock with the use of different size cutting ferrule.
This utility model, can be in card by cutting ferrule using reasonable clearance by carrying out profiling cooperation to cutting ferrule profile and base of the carrier head internal structure
Fast assembling-disassembling is realized in headstock.Using locking knob, antivibrator connection end is carried out with regulation of mental activities locking and realize the same of antivibrator and cutting ferrule
Step positioning.
This utility model damper half spherical piston bar connection end quick-locking device operation principle：
Position fixing process：Base of the carrier head passes through step-like imitated structure, after being inserted in pulling shaft location structure, is adjacent to pulling shaft rectangle positioning
Face and circular locating surface complete radial and axial positioning.
Locking process：Rotary handle, drives locking nut reach locking chuck seat by fine thread, loads onto chuck and be subject to
After pantograph antivibrator, regulation of mental activities locking is realized by locking knob.
Steering procedure：Rotary handle, unclamps lock nut, slides base of the carrier head, is again inserted in pulling shaft compression after ratating 90 degrees
Locating surface repeats locking process after completing positioning.
Quick-replaceable card cover device operation principle：By the profiling mounting structure of chuck circular arc shape and base of the carrier head, cutting ferrule
Fast demountable, realizes the heart is locked by locking knob after being adjacent to base of the carrier head locating surface.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of creating design without departing from this utility model, some deformation can also be made and improve, these broadly fall into this practicality
New protection domain.
Claims (7)
1. a kind of antivibrator connection end quick-locking device it is characterised in that：Described antivibrator connection end quick-locking device bag
Include antivibrator, dop seat, pulling shaft and the locking nut for being fixed between dop seat and pulling shaft, antivibrator is by it even
Connect end to be arranged on dop seat, described pulling shaft is provided with location structure, this location structure is by rectangle locating surface and circular locating surface
Constitute, dop seat is provided with the step-like profiling location structure matching with the location structure on pulling shaft, determining on described pulling shaft
Bit architecture is inserted in the step-like profiling location structure on dop seat, and the step-like profiling location structure on dop seat is adjacent on pulling shaft
Rectangle locating surface complete radial positioning, the circular locating surface that the step-like profiling location structure on dop seat is adjacent on pulling shaft is complete
Become axially position, locked by locking nut between pulling shaft and dop seat.
2. according to claim 1 antivibrator connection end quick-locking device it is characterised in that：It is connected with described antivibrator
Hemispherical piston rod end, dop seat is provided with the cavity for placing the hemispherical piston rod end connecting on antivibrator, chamber
Chuck in circular arc shape is installed between body and described hemispherical piston rod end, screwed hole and peace are additionally provided with dop seat
Equipped with locking knob, one end of locking knob is handle, and the other end passes through the screwed hole on dop seat to contact with chuck, locking rotating
The axis of button passes through the centre of sphere of hemispherical piston rod end, and described locking knob realizes hemispherical piston rod end the heart is locked
Function.
3. a kind of pantograph damper connection end quick-locking device it is characterised in that：Described pantograph damper connection end is fast
Fast locking device includes pantograph damper, dop seat, pulling shaft and the locking for being fixed between dop seat and pulling shaft
Nut, pantograph damper is connected through end and is arranged on dop seat, and described pulling shaft is provided with location structure, this location structure
It is made up of rectangle locating surface and circular locating surface, dop seat is provided with the step-like profiling matching with the location structure on pulling shaft
Location structure, the location structure on described pulling shaft is inserted in the step-like profiling location structure on dop seat, the step on dop seat
The rectangle locating surface that shape profiling location structure is adjacent on pulling shaft completes radial positioning, the step-like profiling location structure on dop seat
The circular locating surface being adjacent on pulling shaft completes axially position, is locked by locking nut between pulling shaft and dop seat.
4. according to claim 3 pantograph damper connection end quick-locking device it is characterised in that：Described locking nut
Be provided with for quick locking with loosen the handle without specific purpose tool for the locking nut.
5. according to claim 4 pantograph damper connection end quick-locking device it is characterised in that：Described locking nut
It is provided with fine thread, during rotary handle, locking nut reach locking chuck seat is driven by fine thread.
6. according to claim 3 pantograph damper connection end quick-locking device it is characterised in that：Described pantograph resistance
Hemispherical piston rod end is connected with Buddhist nun's device, dop seat is provided with lives for placing the hemispherical connecting in pantograph damper
The cavity of stopper rod termination, is provided with the chuck in circular arc shape, in dop seat between cavity and described hemispherical piston rod end
On be additionally provided with screwed hole and locking knob be installed, one end of locking knob is handle, and the other end passes through the screw thread on dop seat
Hole is contacted with chuck, and the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, and described locking knob realizes hemispherical
Piston rod end to heart locking function.
7. according to claim 3 pantograph damper connection end quick-locking device it is characterised in that：On described pulling shaft
The rectangular cross section in cross section of the rectangle locating surface of location structure, and four angles of rectangular cross section carry out chamfering, described draws
The circular in cross-section cross section of the circle locating surface of the location structure on axle,
Cavity on described dop seat is a circular cylindrical cavity, and this circular cylindrical cavity one end is opening, on the underside wall of the other end
It is provided with circular perforations, the step-like profiling location structure on dop seat is one " convex " font cavity, " convex " font cavity is provided with
The opening of the shaft body of the convenient opening of location structure placing pulling shaft and embedded pulling shaft, the big oral cavity peace of " convex " font atrium
The circle locating surface part of the location structure on dress pulling shaft, the location structure on pulling shaft is installed in the little oral cavity of " convex " font atrium
Rectangle locating surface part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733461.4U CN205978245U (en) | 2016-07-11 | 2016-07-11 | Quick locking device of attenuator hemisphere piston rod link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733461.4U CN205978245U (en) | 2016-07-11 | 2016-07-11 | Quick locking device of attenuator hemisphere piston rod link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978245U true CN205978245U (en) | 2017-02-22 |
Family
ID=58023974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620733461.4U Active CN205978245U (en) | 2016-07-11 | 2016-07-11 | Quick locking device of attenuator hemisphere piston rod link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952835A (en) * | 2016-07-11 | 2016-09-21 | 广东省机械研究所 | Quick locking device of semispherical piston rod connecting end of damper |
-
2016
- 2016-07-11 CN CN201620733461.4U patent/CN205978245U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952835A (en) * | 2016-07-11 | 2016-09-21 | 广东省机械研究所 | Quick locking device of semispherical piston rod connecting end of damper |
| CN105952835B (en) * | 2016-07-11 | 2019-07-09 | 广东省机械研究所 | Damper half spherical piston bar connecting pin quick-locking device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510799 No. 202 Zhendong Road, Huangpu District, Guangzhou, Guangdong Patentee after: Guangdong Machinery Research Institute Co.,Ltd. Address before: 510635 No. 663, Tianhe North Road, Guangzhou, Guangdong (behind Everbright Bank building) Patentee before: GUANGDONG MACHINERY Research Institute |