CN105952835B - Damper half spherical piston bar connecting pin quick-locking device - Google Patents
Damper half spherical piston bar connecting pin quick-locking device Download PDFInfo
- Publication number
- CN105952835B CN105952835B CN201610547779.8A CN201610547779A CN105952835B CN 105952835 B CN105952835 B CN 105952835B CN 201610547779 A CN201610547779 A CN 201610547779A CN 105952835 B CN105952835 B CN 105952835B
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- China
- Prior art keywords
- clamp seat
- location structure
- pulling shaft
- locking
- damper
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/54—Arrangements for attachment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses damper connecting pin quick-locking devices, including damper, clamp seat, pulling shaft and locking nut, damper is connected through end and is mounted on clamp seat, the pulling shaft is equipped with location structure, the location structure is made of rectangle positioning surface and round positioning surface, clamp seat is equipped with the step-like profiling location structure matched with the location structure on pulling shaft, location structure on the pulling shaft is inserted in the step-like profiling location structure on clamp seat, step-like profiling location structure on clamp seat is adjacent to the rectangle positioning surface on pulling shaft and completes radial positioning, step-like profiling location structure on clamp seat is adjacent to the round positioning surface on pulling shaft and completes axially position, it is locked between pulling shaft and clamp seat by locking nut.It also discloses for pantograph damper connecting pin quick-locking device.The present invention, which has, to be eliminated due to punching square shaft vibration isolation rubber bring resistance, make the test data of damper more level off to virtual condition the advantages of.
Description
Technical field
The present invention relates to damper technique field, what is related in particular to is a kind of pantograph damper connecting pin fast lock
The technology of tight device.
Background technique
Pantograph damper (also known as " damper ") is an important component on rolling stock, due to the vehicle of rolling stock
The contact between rail surface being steel to steel is taken turns, therefore, irregular and track the irregularity of wheel surface is all directly through wheel
It passes to suspension parts up, rolling stock each section is made to generate high frequency or low-frequency vibration.If this vibration does not pass through damper
Decay, the structural strength and service life of mechanical part will be reduced, deteriorates riding quality.Its performance superiority and inferiority of damper is direct
Influence safety and the comfort of driving.The railway construction in China enters the period of a rapid development especially in recent years,
Due to the rapid development of speed-raising and the urban track traffic of railway, the demand to High Damping Performance device is highlighted.Produce high-performance
Oil-pressure damper need to have perfect detection means
The production and development of external pantograph damper are highly developed, at present the prototype of damper used in China
It is most of to derive from America and Europe.Renowned company includes koni company, the U.S., SACHS company, Germany etc., although by the digestion of many years
Engine Damper manufacturer and the model standard of oneself that we have had oneself are absorbed, but is all derived from America and Europe.Reason
It is that China is not synchronous when introducing these products and introduces production standard and detection technique, so that our product is always
America and Europe is lagged behind, the damper 100% of bullet train is from America and Europe.
The repair apparatus status of China's damper is as follows at present；
In the development of damper detection technique, Tongji University, China has been devoted to the exploration in this direction for many years,
It achieves in terms of the test equipment for developing vertical locomotive, transverse direction and anti-hunting damper holder and greatly achieves, the equipment of development exists
Domestic large size damper factory is used as standard test equipment.
In addition domestic some railway transportation equipment factories also produce the detection device of damper, but these products are all
Be not suitable for detection with the damper of American-European standard inlet, a kind of simple test equipment can only be used as.Another major reason is exactly
They do not grasp or take the critical technical parameter of pantograph damper.
Background technique of the invention: due to domestic damper testing equipment in measuring technology not with European standard pair
It connects, so testing equipment cannot reach requirement, there are larger differences for technical detail processing in this regard, mainly following 2
Kind method cannot all reach requirement:
1) method being attached using the punching square shaft of damper half spherical piston bar connecting pin.
2) method being attached using plane of the briquetting to damper half spherical piston bar connecting pin.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of eliminate since punching square shaft vibration isolation rubber bring hinders
Power, make the test data of damper more level off to virtual condition damper connecting pin quick-locking device and pantograph damping
Device connecting pin quick-locking device.
The present invention is achieved through the following technical solutions:
A kind of damper connecting pin quick-locking device, it is characterised in that: damper connecting pin quick-locking device
Including damper, clamp seat, pulling shaft and locking nut for being fixed between clamp seat and pulling shaft, damper passes through it
Connecting pin is mounted on clamp seat, and the pulling shaft is equipped with location structure, and the location structure is by rectangle positioning surface and round positioning
Face is constituted, and clamp seat is equipped with the step-like profiling location structure that matches with the location structure on pulling shaft, on the pulling shaft
Location structure is inserted in the step-like profiling location structure on clamp seat, and the step-like profiling location structure on clamp seat is adjacent to pulling shaft
On rectangle positioning surface complete radial positioning, the step-like profiling location structure on clamp seat is adjacent to the round positioning surface on pulling shaft
Axially position is completed, is locked between pulling shaft and clamp seat by locking nut.
It is connected with hemispherical piston rod end on the damper, clamp seat is equipped with to be connected on damper for placing
The cavity of hemispherical piston rod end is equipped with the collet in circular arc shape between cavity and the hemispherical piston rod end,
It is additionally provided with threaded hole on clamp seat and locking knob is installed, one end of locking knob is handle, and the other end passes through clamp seat
On threaded hole contacted with collet, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, and the locking knob is real
Existing hemispherical piston rod end to heart locking function.
A kind of pantograph damper connecting pin quick-locking device, it is characterised in that: the pantograph damper connecting pin
Quick-locking device includes pantograph damper, clamp seat, pulling shaft and the lock for being fixed between clamp seat and pulling shaft
Tight nut, pantograph damper are connected through end and are mounted on clamp seat, and the pulling shaft is equipped with location structure, the positioning knot
Structure is made of rectangle positioning surface and round positioning surface, and clamp seat is step-like imitative equipped with what is matched with the location structure on pulling shaft
Shape location structure, the location structure on the pulling shaft are inserted in the step-like profiling location structure on clamp seat, the platform on clamp seat
Scalariform profiling location structure is adjacent to the rectangle positioning surface on pulling shaft and completes radial positioning, and the step-like profiling on clamp seat positions knot
Structure is adjacent to the round positioning surface on pulling shaft and completes axially position, is locked between pulling shaft and clamp seat by locking nut.
The locking nut is equipped with for quick locking and loosens handle of the locking nut without specific purpose tool.
The locking nut is equipped with fine thread, when rotating handle, passes through fine thread and drives locking nut Forward lock
Grip headstock.
Hemispherical piston rod end is connected in the pantograph damper, clamp seat is equipped with for placing pantograph resistance
The cavity of the hemispherical piston rod end connected on Buddhist nun's device is equipped between cavity and the hemispherical piston rod end in circular arc
The collet of shape is additionally provided with threaded hole on clamp seat and is equipped with locking knob, and one end of locking knob is handle, the other end
Threaded hole on clamp seat is contacted with collet, and 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.
The present invention has following technological merit:
The present invention is realized using hemispherical attachment device and the hemispherical tailpiece of the piston rod head shapes of damper to coincide, and realizes rigid
Property connection, eliminate due to punching square shaft vibration isolation rubber bring resistance, the test data of damper made more to level off to practical shape
State especially solves rail traffic vehicles one and is vibration insulating system, two is vibration insulating system, damper in pantograph vibration insulating system
Quickly test connection.Quick locking, this connection type can be realized to the damper half spherical piston bar connecting pin of different size
It eliminates due to influence of the vibration isolation rubber to test data inside damper half spherical piston bar connecting pin.
Detailed description of the invention
Fig. 1 is pantograph damper connecting pin quick-locking device structural schematic diagram of the present invention；
Fig. 2 is the cut away view at the A-A of Fig. 1；
Fig. 3 is clamp holder structure schematic diagram of the present invention；
Fig. 4 is the jacket structured schematic diagram of the present invention；
Fig. 5 is pulling shaft structural schematic diagram of the present invention；
Fig. 6 is lock nut structure diagram of the present invention.
Specific embodiment
With reference to the accompanying drawing to the detailed description of the invention.
Damper connecting pin of the present invention quick-locking device, including damper, clamp seat, pulling shaft and for clamp seat with
The locking nut being fixed between pulling shaft, damper are connected through end and are mounted on clamp seat, and the pulling shaft is equipped with fixed
Bit architecture, the location structure are made of rectangle positioning surface and round positioning surface, and clamp seat is equipped with and the location structure on pulling shaft
The step-like profiling location structure matched, the location structure on the pulling shaft are inserted in the positioning knot of the step-like profiling on clamp seat
Structure, the step-like profiling location structure on clamp seat are adjacent to the rectangle positioning surface on pulling shaft and complete radial positioning, on clamp seat
Step-like profiling location structure is adjacent to the round positioning surface on pulling shaft and completes axially position, passes through locking between pulling shaft and clamp seat
Nut is locked.Hemispherical piston rod end is connected on damper, clamp seat is equipped with and connects on damper for placing
Hemispherical piston rod end cavity, the folder in circular arc shape is installed between cavity and the hemispherical piston rod end
Set, threaded hole is additionally provided on clamp seat and is equipped with locking knob, and one end of locking knob is handle, and the other end passes through clamp
Threaded hole on seat is contacted with collet 6, and the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, the locking knob
Realize hemispherical piston rod end to heart locking function.
It is illustrated by taking pantograph damper as an example below.
As shown in Figure 1, Figure 2, pantograph damper connecting pin quick-locking device, including pantograph damper 7, clamp seat 5, drawing
Axis 1 and locking nut 2 for being fixed between clamp seat and pulling shaft, pantograph damper is connected through end and is mounted on
On clamp seat 5, the pulling shaft 1 is equipped with location structure, which is made of rectangle positioning surface 11 and round positioning surface 12,
Clamp seat 5 is equipped with the step-like profiling location structure 51 matched with the location structure on pulling shaft, the location structure on pulling shaft
The step-like profiling location structure being inserted on clamp seat, the step-like profiling location structure on clamp seat are adjacent to the rectangle on pulling shaft
Positioning surface completes radial positioning, and the step-like profiling location structure on clamp seat is adjacent to the round positioning surface on pulling shaft and completes axially
Positioning, is locked between pulling shaft and clamp seat by locking nut.Locking nut 2 is equipped with for quick locking and loosens lock
Handle 3 of the tight nut without specific purpose tool.Locking nut 2 is equipped with fine thread 21, locking nut 2 by cylindrical body and
It is constituted in the dome cylinder that the cylindrical body end face protrudes above, cylindrical body and dome cylinder are located in one unthreaded hole of middle vehicle system
The unthreaded hole section of dome cylinder is equipped with fine thread 21, is additionally provided with 3 mounting hole of handle on cylindrical body, the axle portion of pulling shaft 1 is mounted on
In cylindrical body unthreaded hole, when rotating handle, passes through fine thread and locking nut is driven to move forward locking chuck seat.Clamp seat 5 is also referred to as
For base of the carrier head.Wherein the cross section of the rectangle positioning surface of the location structure on pulling shaft is in rectangular cross section, and rectangular cross section
Four angles carry out chamferings, the circular in cross-section cross section of the circle positioning surface of the location structure on the pulling shaft, on clamp seat
Cavity be a circular cylindrical cavity, which is opening, and the underside wall of the other end is equipped with circular perforations, clamp
Step-like profiling location structure on seat is " convex " font cavity, and " convex " font cavity is equipped with the positioning for facilitating and placing pulling shaft
The opening of the shaft body of the opening and insertion pulling shaft of structure, the location structure on pulling shaft is installed in the big oral cavity of " convex " font atrium
Circle positioning surface part, " convex " font atrium small oral cavity installation pulling shaft on location structure rectangle positioning surface part.
Hemispherical piston rod end is connected in pantograph damper, clamp seat is equipped with for placing pantograph damper
The cavity 52 of the hemispherical piston rod end of upper connection is equipped with outside in circular arc between cavity and the hemispherical piston rod end
The collet 6 of shape is additionally provided with threaded hole on clamp seat and is equipped with locking knob 4, and one end of locking knob 4 is handle, another
The threaded hole on clamp seat is held to contact with collet 6, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, institute
State locking knob 4 realize hemispherical piston rod end to heart locking function.
It can be seen from the above, the invention mainly relates to following technological core points:
1, rigidly connected Quick locking structure:
The present invention realizes the hemispherical piston rod end of pantograph damper and the rigid connection of collet 6, eliminate due to
Punching square shaft vibration isolation rubber bring resistance.Pass through the collet 6 and pantograph damper hemisphere in base of the carrier head, that is, clamp seat 5
Coupling head profiling combines assembly, realizes radial positioning after locking knob is carried out aligning locking to damper connecting pin.Utilize platform
Scalariform profiling location structure, artificial realization base of the carrier head quickly positions and 90 degree of fast steerings, then is provided by special locking nut
Huge coupling mechanism force to base of the carrier head carry out locking realize axially position, complete the rigid connection to pantograph damper at this time.
The present invention increases rotary handle on locking nut, is not required to additional means, realizes quick locking and loosens.
2, quick-replaceable card cover device:
According to different pantograph damper hemisphericals connecting pin, a kind of tooling with the use of different size cutting ferrule is needed.
The present invention, can be in clamp seat by cutting ferrule using reasonable clearance by carrying out profiling cooperation to cutting ferrule shape and base of the carrier head internal structure
Middle realization fast assembling-disassembling.Aligning locking is carried out to damper connecting pin using locking knob and realizes that damper is synchronous with cutting ferrule fixed
Position.
Damper half spherical piston bar connecting pin of the present invention quick-locking device working principle:
Position fixing process: base of the carrier head is by step-like imitated structure, after being inserted in pulling shaft location structure, is adjacent to the positioning of pulling shaft rectangle
Face and round positioning surface complete radial and axial positioning.
Locking process: rotating handle drives locking nut Forward locking chuck seat by fine thread, loads onto 6 He of collet
After pantograph damper, aligning locking is realized by locking knob.
Steering procedure: rotating handle unclamps lock nut, slides base of the carrier head, is inserted in pulling shaft compression after being rotated by 90 ° again
Positioning surface repeats locking process after completing positioning.
Quick-replaceable card cover device working principle: pass through the profiling mounting structure of 6 circular arc shape of collet and base of the carrier head, cutting ferrule
Fast demountable is realized by locking knob to heart locking after being adjacent to base of the carrier head positioning surface.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of damper connecting pin quick-locking device, it is characterised in that: the damper connecting pin quick-locking device packet
Damper, clamp seat, pulling shaft and the locking nut for being fixed between clamp seat and pulling shaft are included, damper is connected by it
It connects end to be mounted on clamp seat, the pulling shaft is equipped with location structure, and the location structure is by rectangle positioning surface and round positioning surface
It constitutes, clamp seat is equipped with the step-like profiling location structure matched with the location structure on pulling shaft, determines on the pulling shaft
Bit architecture is inserted in the step-like profiling location structure on clamp seat, and the step-like profiling location structure on clamp seat is adjacent on pulling shaft
Rectangle positioning surface complete radial positioning, it is complete that the step-like profiling location structure on clamp seat is adjacent to the round positioning surface on pulling shaft
At axially position, locked between pulling shaft and clamp seat by locking nut,
The locking nut is equipped with for quick locking and loosens handle of the locking nut without specific purpose tool.
2. according to damper connecting pin quick-locking device described in claim 1, it is characterised in that: be connected on the damper
Hemispherical piston rod end, clamp seat are equipped with the cavity for placing the hemispherical piston rod end connected on damper, chamber
Collet in circular arc shape is installed between body and the hemispherical piston rod end, threaded hole and peace are additionally provided on clamp seat
Equipped with locking knob, one end of locking knob is handle, and the threaded hole that the other end passes through on clamp seat is contacted with collet, locking rotating
The axis of button passes through the centre of sphere of hemispherical piston rod end, and the locking knob realizes locking to the heart for hemispherical piston rod end
Function.
3. a kind of pantograph damper connecting pin quick-locking device, it is characterised in that: the pantograph damper connecting pin is fast
Fast locking device includes pantograph damper, clamp seat, pulling shaft and the locking for being fixed between clamp seat and pulling shaft
Nut, pantograph damper are connected through end and are mounted on clamp seat, and the pulling shaft is equipped with location structure, the location structure
It is made of rectangle positioning surface and round positioning surface, clamp seat is equipped with the step-like profiling matched with the location structure on pulling shaft
Location structure, the location structure on the pulling shaft are inserted in the step-like profiling location structure on clamp seat, the step on clamp seat
Shape profiling location structure is adjacent to the rectangle positioning surface on pulling shaft and completes radial positioning, the step-like profiling location structure on clamp seat
The round positioning surface being adjacent on pulling shaft completes axially position, is locked between pulling shaft and clamp seat by locking nut,
The locking nut is equipped with for quick locking and loosens handle of the locking nut without specific purpose tool,
Hemispherical piston rod end is connected in the pantograph damper, clamp seat is equipped with for placing pantograph damping
The cavity of the hemispherical piston rod end connected on device is equipped between cavity and the hemispherical piston rod end in circular arc
The collet of shape is additionally provided with threaded hole on clamp seat and is equipped with locking knob, and one end of locking knob is handle, another
The threaded hole on clamp seat is held to contact with collet, the axis of locking knob passes through the centre of sphere of hemispherical piston rod end, institute
State locking knob realize hemispherical piston rod end to heart locking function.
4. pantograph damper connecting pin quick-locking device according to claim 3, it is characterised in that: the locking nut
It is equipped with fine thread, when rotating handle, passes through fine thread and locking nut is driven to move forward locking chuck seat.
5. pantograph damper connecting pin quick-locking device according to claim 3, it is characterised in that: on the pulling shaft
The cross section of the rectangle positioning surface of location structure is in rectangular cross section, and four angles of rectangular cross section carry out chamfering, the drawing
The circular in cross-section cross section of the circle positioning surface of location structure on axis,
Cavity on the clamp seat is a circular cylindrical cavity, which is to be open, on the underside wall of the other end
Equipped with circular perforations, the step-like profiling location structure on clamp seat is " convex " font cavity, and " convex " font cavity is equipped with
Facilitate the opening for placing the location structure of pulling shaft and is embedded in the opening of the shaft body of pulling shaft, the big oral cavity peace of " convex " font atrium
Fill the circle positioning surface part of the location structure on pulling shaft, the location structure on the small oral cavity installation pulling shaft of " convex " font atrium
Rectangle positioning surface part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547779.8A CN105952835B (en) | 2016-07-11 | 2016-07-11 | Damper half spherical piston bar connecting pin quick-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547779.8A CN105952835B (en) | 2016-07-11 | 2016-07-11 | Damper half spherical piston bar connecting pin quick-locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952835A CN105952835A (en) | 2016-09-21 |
| CN105952835B true CN105952835B (en) | 2019-07-09 |
Family
ID=56900572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547779.8A Active CN105952835B (en) | 2016-07-11 | 2016-07-11 | Damper half spherical piston bar connecting pin quick-locking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105952835B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB297438A (en) * | 1927-09-21 | 1928-12-13 | Zd Y Tatra Akciova Spolecnost | Improvements in or relating to spring suspensions for motor vehicles |
| CN202141231U (en) * | 2011-06-25 | 2012-02-08 | 江苏迈能高科技有限公司 | A D-shaped water outlet pipe of a horizontal pressure bearing heat storage water tank |
| CN103541946A (en) * | 2013-10-24 | 2014-01-29 | 南京凯盛国际工程有限公司 | Hydraulic device applicable to industrial rotary kiln |
| CN104047799A (en) * | 2014-05-19 | 2014-09-17 | 王春栓 | Multiple-stroke hydraulic engine and working method |
| CN205978245U (en) * | 2016-07-11 | 2017-02-22 | 广东省机械研究所 | Quick locking device of attenuator hemisphere piston rod link |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10281210A (en) * | 1997-03-31 | 1998-10-23 | Kayaba Ind Co Ltd | Stay damper |
| JP3821452B2 (en) * | 1997-04-21 | 2006-09-13 | カヤバ工業株式会社 | Stay damper |
| CN103048742B (en) * | 2012-12-26 | 2015-03-11 | 中航光电科技股份有限公司 | DLC (Digital Loop Carrier) optical fiber connector |
-
2016
- 2016-07-11 CN CN201610547779.8A patent/CN105952835B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB297438A (en) * | 1927-09-21 | 1928-12-13 | Zd Y Tatra Akciova Spolecnost | Improvements in or relating to spring suspensions for motor vehicles |
| CN202141231U (en) * | 2011-06-25 | 2012-02-08 | 江苏迈能高科技有限公司 | A D-shaped water outlet pipe of a horizontal pressure bearing heat storage water tank |
| CN103541946A (en) * | 2013-10-24 | 2014-01-29 | 南京凯盛国际工程有限公司 | Hydraulic device applicable to industrial rotary kiln |
| CN104047799A (en) * | 2014-05-19 | 2014-09-17 | 王春栓 | Multiple-stroke hydraulic engine and working method |
| CN205978245U (en) * | 2016-07-11 | 2017-02-22 | 广东省机械研究所 | Quick locking device of attenuator hemisphere piston rod link |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952835A (en) | 2016-09-21 |
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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 |