CN106627634A - Center pin traction device - Google Patents
Center pin traction device Download PDFInfo
- Publication number
- CN106627634A CN106627634A CN201610930939.7A CN201610930939A CN106627634A CN 106627634 A CN106627634 A CN 106627634A CN 201610930939 A CN201610930939 A CN 201610930939A CN 106627634 A CN106627634 A CN 106627634A
- Authority
- CN
- China
- Prior art keywords
- centre
- pull
- key seat
- traction device
- central pin
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
- B61F5/18—King-bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a center pin traction device. The center pin traction device comprises a traction center pin base, a traction center pin and a protective jacket. The bottom end of the traction center pin is clamped into the traction center pin base. The protective jacket is surrounded between the bottom end of the traction center pin and the inner wall of the traction center pin base. The protective jacket is provided with at least one gap. Due to the fact that the protective jacket is provided with the at least one gap, tight connection between the traction center pin base and the protective jacket can be relieved. The problem that a nylon bush and the traction center pin base are locked can be relieved in the operational process of a locomotive, and especially when the locomotive travels in a curved mode, the problem of eccentric wear of locomotive wheel rims and the problem of locomotive vibration can be relieved.
Description
Technical field
The present embodiments relate to locomotive traction art, more particularly to a kind of central pin traction device.
Background technology
The effect of central pin traction device is that the tractive force and brake force on bogie is passed to into car body up, in locomotive fortune
When row is by curve, central pin traction device can make bogie freely turn round and swing with car body.
At present central pin traction device is by centre of pull key seat, centre of pull pin, nylon bush, collar, foundation ring, neck
Circle, boatswain chair, side knock stop, retainer, damper bracket etc. are constituted, and wherein nylon bush encloses the bottom for being located at centre of pull pin
Between end and centre of pull key seat inwall.
However, due to connecting too closely between centre of pull key seat and nylon bush in prior art, locomotive operation mistake
Often there is nylon bush and the dead problem of centre of pull key seat in Cheng Zhongjing, especially in locomotive curve driving, it is impossible to realize turning
Freely turn round and swing with car body to frame, cause the problem of locomotive wheel flange wear, locomotive vibration.
The content of the invention
The embodiment of the present invention provides a kind of central pin traction device, by alleviating between centre of pull key seat and nylon bush
Connection too closely, so as to alleviate locomotive operation during Jing often there is nylon bush and the dead problem of centre of pull key seat,
Especially in locomotive curve driving, alleviate locomotive wheel flange wear, the problem of locomotive vibration.
The embodiment of the present invention provides a kind of central pin traction device, including：Centre of pull key seat, centre of pull pin and protection
Set, the bottom of the centre of pull pin is connected in the centre of pull key seat, and the protective case encloses and is located at the centre of pull
Between the bottom of pin and the centre of pull key seat inwall, wherein offering at least one gap on the protective case.
Due to offering at least one gap on protective case, therefore can alleviate between centre of pull key seat and protective case
Closely connection, can just alleviate generation nylon bush and the dead problem of centre of pull key seat, especially during locomotive operation
When in locomotive curve driving, the problem of locomotive wheel flange wear, locomotive vibration can be alleviated.
Alternatively, at least one gap is along the protective case generatrix direction interval setting.
Alternatively, the gap width is 2 millimeters.
Alternatively, it is provided with baffle plate on the top of centre of pull key seat, the baffle plate is by fixture and the traction
The upper surface on the top of heart key seat is fixedly connected.
Alternatively, radial ruler of the radial dimension of the baffle plate less than or equal to the top of the centre of pull key seat
It is very little.
Alternatively, the device also includes：Boatswain chair, the boatswain chair is fixed with the lower surface of the bottom of the centre of pull pin and connected
Connect.
Alternatively, the device also includes：Enclose the shock absorber support for being located at the centre of pull key seat outer wall side, the damping
The top of device support is fixedly connected retainer, and the retainer forms space with the shock absorber support, so that in the traction
Heart key seat is arranged in the space.
Alternatively, the centre of pull key seat is symmetrically arranged with two grooves along generatrix direction, and described device also includes：
Two impact baffle plates, each impact baffle plate is connected in a groove along the generatrix direction.
The embodiment of the present invention provides a kind of central pin traction device, including：Centre of pull key seat, centre of pull pin and protection
Set, the bottom of the centre of pull pin is connected in centre of pull key seat, and protective case encloses the bottom and traction for being located at centre of pull pin
Between the key seat inwall of center, at least one gap is wherein offered on protective case.Due to offering at least one seam on protective case
Gap, therefore the tight connection between centre of pull key seat and protective case can be alleviated, just can alleviate during locomotive operation
There is nylon bush and the dead problem of centre of pull key seat, especially when in locomotive curve driving, locomotive wheel can be alleviated
The problem of flange wear, locomotive vibration.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description does one and simply introduces, it should be apparent that, drawings in the following description are these
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation of the central pin traction device that Fig. 1 is provided for one embodiment of the invention；
The structural representation of the protective case that Fig. 2 is provided for one embodiment of the invention；
The schematic diagram of the baffle plate that Fig. 3 is provided for one embodiment of the invention.
Description of reference numerals：
11- centre of pull key seats；
12- centre of pull pins；
13- protective cases；
14- gaps；
15- baffle plates；
16- fixtures；
17- boatswain chairs；
18- shock absorber supports；
19- retainers；
20- grooves；
21- impacts baffle plate.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Often there is nylon bush in Jing and centre of pull key seat is dead during locomotive operation in order to alleviate prior art
Problem, especially in locomotive curve driving, alleviates locomotive wheel flange wear, the problem of locomotive vibration, and the embodiment of the present invention is carried
For a kind of central pin traction device.
The structural representation of the central pin traction device that Fig. 1 is provided for one embodiment of the invention, as shown in figure 1, the center
Pin draw-gear includes：Centre of pull key seat 11, centre of pull pin 12 and protective case 13, the bottom clamping of the centre of pull pin 12
In centre of pull key seat 11, protective case encloses and is located between the bottom of centre of pull pin 12 and the inwall of centre of pull key seat 11, its
At least one gap is offered on middle protective case 13.
Specifically, the structural representation of the protective case that Fig. 2 is provided for one embodiment of the invention, as shown in Fig. 2 protective case 13
On offer a gap 14, the one side of protective case 13 is used to prevent straight between centre of pull key seat 11 and centre of pull pin 12
Connect friction, so as to play a part of to protect centre of pull key seat 11 and centre of pull pin 12, by open up on protective case 13 to
A few gap 14, can alleviate the tight connection between centre of pull key seat 11 and protective case 13, in this case, locomotive fortune
Generation nylon bush and the dead problem of centre of pull key seat can just be alleviated during row, especially in locomotive curve driving
When, the problem of locomotive wheel flange wear, locomotive vibration can be alleviated.
It should be noted that above-mentioned protective case 13 can be nylon bush, protection centre of pull key seat 11 and traction are played
The effect of centrepin 12.
The embodiment of the present invention provides a kind of central pin traction device, including：Centre of pull key seat, centre of pull pin and protection
Set, the bottom of the centre of pull pin is connected in centre of pull key seat, and protective case encloses the bottom and traction for being located at centre of pull pin
Between the key seat inwall of center, at least one gap is wherein offered on protective case.Due to offering at least one seam on protective case
Gap, therefore the tight connection between centre of pull key seat and protective case can be alleviated, just can alleviate during locomotive operation
There is nylon bush and the dead problem of centre of pull key seat, especially when in locomotive curve driving, locomotive wheel can be alleviated
The problem of flange wear, locomotive vibration.
Alternatively, as shown in Fig. 2 at least one gap 14 certainly, is somebody's turn to do along the generatrix direction interval setting of protective case 13
The direction in gap 14 can also be that the embodiment of the present invention is without limitation no matter in 0 degree to 90 degree of angle with generatrix direction
Gap 14 is provided in any direction, as long as the tight connection between centre of pull key seat and protective case can be alleviated.
If wide in view of arrange in gap, protective case can be caused to be easily separated from centre of pull key seat, so as to rise
To the effect of protection centre of pull key seat and centre of pull pin, if by the narrow of gap setting, centre of pull still cannot be alleviated
Tight connection between key seat and protective case, therefore, staff finally determines the preferred of the gap 14 through repetition test
Width is 2 millimeters.
Alternatively, as shown in figure 1, being provided with baffle plate 15 on the top of centre of pull key seat 11, Fig. 3 is implemented for the present invention one
The schematic diagram of the baffle plate that example is provided, with reference to shown in Fig. 1 and Fig. 2, baffle plate 15 is by fixture 16 and the top of centre of pull key seat 11
The upper surface at end is fixedly connected.Wherein baffle plate 15 plays a part of fixed traction center key seat 11, and it instead of in prior art
The eckband being arranged on the top of centre of pull key seat, eckband of the prior art is difficult to remove, and the embodiment of the present invention passes through
Using baffle plate so that staff easily removes on baffle plate.
Alternatively, as shown in figure 1, the central pin traction device also includes：Boatswain chair 17, the boatswain chair 17 and centre of pull pin
The lower surface of 12 bottom is fixedly connected.
It should be noted that also setting up between the lower surface of boatswain chair 17 and the bottom of centre of pull pin 12 in prior art
There is foundation ring, and the embodiment of the present invention need not be adopted in foundation ring, and prior art on eckband and the top of centre of pull key seat 11
Upper surface between be additionally provided with collar, and the embodiment of the present invention is without foundation ring is adopted, so as to reduce whole centrepin traction
The complexity of device.
Alternatively, as shown in figure 1, the central pin traction device also includes：Enclose and be located at the outer wall side of centre of pull key seat 11
Shock absorber support 18, the top of the shock absorber support 18 is fixedly connected retainer 19, and retainer 19 is formed with shock absorber support 18
Space, so that centre of pull key seat 11 is arranged in space.As its name suggests, shock absorber support 18 plays a part of damping, in preventing
The strong vibration of heart pin draw-gear, plays a part of to protect central pin traction device.
Alternatively, radial dimension of the radial dimension of baffle plate less than or equal to the top of centre of pull key seat.By inciting somebody to action
Radial dimension of the radial dimension of baffle plate less than or equal to the top of centre of pull key seat so that retainer and shock absorber support
The space of formation need not be too big, such that it is able to reduce taking up room for whole central pin traction device.
Alternatively, centre of pull key seat 11 is symmetrically arranged with two grooves 20 along generatrix direction, the centrepin traction dress
Putting also includes：Two impact baffle plates 21, each impact baffle plate 21 is connected in a groove 20 along generatrix direction.This
The vibration due to central pin traction device can also be played by setting impact baffle plate in bright embodiment, centre of pull pin is caused
The damage of seat.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence disengaging various embodiments of the present invention technology of appropriate technical solution
The scope of scheme.
Claims (8)
1. a kind of central pin traction device, it is characterised in that include：Centre of pull key seat, centre of pull pin and protective case, it is described
The bottom of centre of pull pin is connected in the centre of pull key seat, and the protective case encloses the bottom for being located at the centre of pull pin
Between the centre of pull key seat inwall, wherein offering at least one gap on the protective case.
2. central pin traction device according to claim 1, it is characterised in that at least one gap is along the protection
Set generatrix direction interval setting.
3. central pin traction device according to claim 1 and 2, it is characterised in that the gap width is 2 millimeters.
4. central pin traction device according to claim 1 and 2, it is characterised in that the top of the centre of pull key seat
On be provided with baffle plate, the baffle plate is fixedly connected by fixture with the upper surface on the top of the centre of pull key seat.
5. central pin traction device according to claim 4, it is characterised in that the radial dimension of the baffle plate be less than or
Equal to the radial dimension on the top of the centre of pull key seat.
6. central pin traction device according to claim 1 and 2, it is characterised in that also include：Boatswain chair, the boatswain chair with
The lower surface of the bottom of the centre of pull pin is fixedly connected.
7. central pin traction device according to claim 6, it is characterised in that also include：Enclose and be located at the centre of pull
The shock absorber support of key seat outer wall side, the top of the shock absorber support is fixedly connected retainer, and the retainer subtracts with described
Shake device support forms space, so that the centre of pull key seat is arranged in the space.
8. central pin traction device according to claim 1 and 2, it is characterised in that the centre of pull key seat is along mother
Line direction is symmetrically arranged with two grooves, and described device also includes：Two impact baffle plates, each impact baffle plate is along described
Generatrix direction is connected in a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930939.7A CN106627634A (en) | 2016-10-31 | 2016-10-31 | Center pin traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930939.7A CN106627634A (en) | 2016-10-31 | 2016-10-31 | Center pin traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106627634A true CN106627634A (en) | 2017-05-10 |
Family
ID=58820394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610930939.7A Pending CN106627634A (en) | 2016-10-31 | 2016-10-31 | Center pin traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106627634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879353A (en) * | 2021-11-15 | 2022-01-04 | 宝鸡中车时代工程机械有限公司 | Compact primary suspension bogie for track-bound engineering machinery |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357879A (en) * | 1978-11-24 | 1982-11-09 | Man Maschinenfabrik Augsburg-Nuernberg Ag | Air springing bogie traction link suspension |
| JPH09123907A (en) * | 1995-11-02 | 1997-05-13 | Hitachi Ltd | Kingpin tension device |
| US20040261653A1 (en) * | 2003-06-27 | 2004-12-30 | Coslovi Ilario A. | Center plate assembly for a rail road car |
| CN201073974Y (en) * | 2007-09-24 | 2008-06-18 | 齐齐哈尔轨道交通装备有限责任公司 | Elastic fixing apparatus of railway vehicle guiding arm |
| CN102019940A (en) * | 2010-11-23 | 2011-04-20 | 永济新时速电机电器有限责任公司 | Traction device and rail car |
| CN201882102U (en) * | 2010-11-19 | 2011-06-29 | 长春轨道客车股份有限公司 | Central pin bush for bogie traction device |
| CN202389394U (en) * | 2012-01-04 | 2012-08-22 | 南车株洲电力机车有限公司 | Device for drawing center pin of rail locomotive vehicle |
| CN204137007U (en) * | 2014-08-27 | 2015-02-04 | 南车南京浦镇车辆有限公司 | Draw gear for convenience detach |
| CN105197048A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Retreating and detaching tool for center pin of railway vehicle |
| CN205186264U (en) * | 2015-10-30 | 2016-04-27 | 镇江市博新氟塑有限公司 | Auto steering ware rack bushing |
| CN206171484U (en) * | 2016-10-31 | 2017-05-17 | 中车兰州机车有限公司 | Core pin draw gear |
-
2016
- 2016-10-31 CN CN201610930939.7A patent/CN106627634A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357879A (en) * | 1978-11-24 | 1982-11-09 | Man Maschinenfabrik Augsburg-Nuernberg Ag | Air springing bogie traction link suspension |
| FI72086B (en) * | 1978-11-24 | 1986-12-31 | Maschf Augsburg Nuernberg Ag | BOGGI MED LUFTFJAEDRING FOER RAELSFORDON |
| JPH09123907A (en) * | 1995-11-02 | 1997-05-13 | Hitachi Ltd | Kingpin tension device |
| US20040261653A1 (en) * | 2003-06-27 | 2004-12-30 | Coslovi Ilario A. | Center plate assembly for a rail road car |
| CN201073974Y (en) * | 2007-09-24 | 2008-06-18 | 齐齐哈尔轨道交通装备有限责任公司 | Elastic fixing apparatus of railway vehicle guiding arm |
| CN201882102U (en) * | 2010-11-19 | 2011-06-29 | 长春轨道客车股份有限公司 | Central pin bush for bogie traction device |
| CN102019940A (en) * | 2010-11-23 | 2011-04-20 | 永济新时速电机电器有限责任公司 | Traction device and rail car |
| CN202389394U (en) * | 2012-01-04 | 2012-08-22 | 南车株洲电力机车有限公司 | Device for drawing center pin of rail locomotive vehicle |
| CN204137007U (en) * | 2014-08-27 | 2015-02-04 | 南车南京浦镇车辆有限公司 | Draw gear for convenience detach |
| CN105197048A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Retreating and detaching tool for center pin of railway vehicle |
| CN205186264U (en) * | 2015-10-30 | 2016-04-27 | 镇江市博新氟塑有限公司 | Auto steering ware rack bushing |
| CN206171484U (en) * | 2016-10-31 | 2017-05-17 | 中车兰州机车有限公司 | Core pin draw gear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879353A (en) * | 2021-11-15 | 2022-01-04 | 宝鸡中车时代工程机械有限公司 | Compact primary suspension bogie for track-bound engineering machinery |
| CN113879353B (en) * | 2021-11-15 | 2024-06-07 | 宝鸡中车时代工程机械有限公司 | Bogie for track engineering machinery with compact primary suspension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |