CN102501881B - Manual braking pull rod device for driving pulleys of rail wagon - Google Patents
Manual braking pull rod device for driving pulleys of rail wagon Download PDFInfo
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- CN102501881B CN102501881B CN201110387255.4A CN201110387255A CN102501881B CN 102501881 B CN102501881 B CN 102501881B CN 201110387255 A CN201110387255 A CN 201110387255A CN 102501881 B CN102501881 B CN 102501881B
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- movable pulley
- parking brake
- brake lever
- track
- pull rod
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Abstract
The invention belongs to the technical field of braking of a rail wagon and particularly provides a manual braking pull rod device for driving pulleys of the rail wagon. The problem that a reinforcing rib part of a conventional manual braking machine pull rod for a driving pulley device is easy to crack and break off is solved. The manual braking pull rod device for the driving pulleys of the rail wagon comprises a manual braking pull rod, a movable pulley, a bracket rail, a fixing bracket of the movable pulley and a bracket of the manual braking pull rod. The bracket rail comprises a rail support mounted on a vehicle body middle beam, a rail board is mounted on the rail support, and the fixing bracket of the movable pulley and the bracket of the manual braking pull rod are mounted on the rail board. The manual braking pull rod device disclosed by the invention has the advantages that: the possibility that a reinforcing rib pulls out a carrier and the problem that the manual pull rod is fractured are completely removed, and the requirements on driving security of the rail wagon are met.
Description
Technical field
The invention belongs to the technical field of railway wagon brake, be specifically related to a kind of parking brake lever device of railway truck band movable pulley.
Background technology
Hand brake produces brake action for railway vehicle and slips away to prevent parked vehicle when carrying out shunting service, can the size of its leverage ratio be directly connected to vehicle and park safely on request.Railway truck is used for amplifying manual force multiplying power and being delivered on foundation brake rigging by hand brake force with the hand brake pull bar of band movable pulley device usually.The round steel assembly welding that original hand brake pull bar reinforced rib place is 16 mm by 3 diameters forms, and due to physical dimension sudden change, causes this place's stress very concentrated.According to statistics, there is crackle in hand brake pull bar reinforced rib (the i.e. 3 round steel assembly welding places) position of original band movable pulley device, situation about fractureing accounts for parking brake lever crackle, the fault that fractures 50.9%.
In addition, hand brake pull bar bracket location is inaccurate, and hand brake can hold in the palm after tightening and cause pull bar reinforced rib pull-out bracket, and after hand brake is lax, because there is a step at reinforced rib place, cannot automatically return on bracket, bracket is made to hold in the palm in utilization on the single round steel of pull bar, as shown in Figure 1, Figure 2.Shown in addition hand brake pull bar reinforced rib and pulley to form weight comparatively large, strained condition is bad, and easily holder causes reinforced rib place and is in operation and snaps.Hand brake pull bar chain comes off, long, braking round pin is lost, fracture or lock are adjusted the reasons such as device inefficacy also can hold in the palm to cause reinforced rib pull-out pull bar bracket, and easily holder causes reinforced rib place and is in operation and snaps.Hand brake pull bar reinforced rib once fracture, come off, the surface facility such as sleeper or track switch can be hit, affect traffic safety.
Newly-designed railway truck adopts shorter draw beam, if bogie truck adopts integrated brake device, and hand braking multiplying power is very low, just needs to add movable pulley and amplifies hand braking multiplying power, this causes very large difficulty just to the design of the parking brake lever of traditional band movable pulley device, even cannot arrange.
Therefore for meeting the requirement of traffic safety and the structural limitations of vehicle own etc., the parking brake lever device of the band movable pulley developing a kind of safe and reliable new construction is needed.
Summary of the invention
The situation that the present invention crackle occurs in order to hand brake pull bar reinforced rib (the i.e. 3 round steel assembly welding places) position solving existing band movable pulley device, fractures, prevent hand brake pull bar reinforced rib once fracture, come off, hit sleeper or track switch, affect the problem of traffic safety, and railway truck is as adopted shorter draw beam, or bogie truck adopts integrated brake device and hand braking multiplying power is very low, need to add parking brake lever that movable pulley amplifies hand braking multiplying power can not arrange in narrow space under problem.
The present invention adopts following technical scheme to realize: a kind of parking brake lever device of railway truck band movable pulley, comprise parking brake lever and movable pulley, parking brake lever is formed by U-shaped movable pulley seat and band steel assembly welding, movable pulley is installed on U-shaped movable pulley seat by sheave shaft, it is characterized in that it also comprises bracket track, movable pulley fixed support and parking brake lever support, described bracket track comprises the track bearing be arranged on car body central sill, mounting rail guidance tape on track bearing, movable pulley fixed support and parking brake lever support installing are on track plates
Movable pulley fixed support comprises two symmetrical movable pulley fixed bracket body, two movable pulley fixed bracket body tops by staking pin connect, embrace be hung on track plates, two movable pulley fixed bracket body bottoms are connected with the two ends of sheave shaft respectively,
Parking brake lever support comprises two symmetrical parking brake lever stake bodies, two parking brake lever stake body tops are connected by staking pin, embrace and be hung on track plates, and two parking brake lever stake body bottoms are connected with the band steel of parking brake lever and hand braking slide fastener simultaneously.
Another preferred version of the present invention: above track plates, driving surface is arc surface.
Another preferred version of the present invention: connecting cover on the staking pin on two movable pulley fixed bracket body tops and the staking pin on connection two parking brake lever stake body tops has the wear-resisting roll sleeve of non-metal.
Another preferred version of the present invention: the inside middle portion of two movable pulley fixed bracket body is connected by movable pulley fixed bracket body connecting panel.
Another preferred version of the present invention: the inside middle portion of two parking brake lever stake bodies is connected by parking brake lever stake body connecting panel.
Another preferred version of the present invention: bracket track arranges two groups, one group is installed movable pulley fixed support, and another group is upper installs parking brake lever support.
The present invention has following beneficial effect:
1, bracket track, movable pulley fixed support, parking brake lever support is adopted, movable pulley is suspended on car body, when not affecting its function, thoroughly eliminate the problem that may rupture with parking brake lever of reinforced rib pull-out bracket, meet the requirement of railway truck traffic safety.
2, can meet newly make railway truck can not arrange in narrow space band movable pulley parking brake lever composition.
3, the braking of railway wagon hand brake machine, alleviation and hand braking slide fastener pine surplus, the amplification of movable pulley multiplying power etc. function or requirement is not affected.
4, bracket track can be assembled with car body in advance, and the parking brake lever of band movable pulley adopts staking pin, packing ring and the collar to be connected on bracket track by movable pulley fixed support, parking brake lever support, meets current railway truck and first paints rear packaging technology.
5, railway truck staking pin, packing ring and collar up-to-date technology is adopted to meet the requirement of parking brake lever slip-off preventing.
Accompanying drawing explanation
Fig. 1 is structure and the bracket installation site schematic diagram of existing parking brake lever,
Fig. 2 is existing parking brake lever easy fracture position view,
Fig. 3 is structural representation of the present invention,
Fig. 4 is the birds-eye view of Fig. 3,
Fig. 5 is movable pulley fixed support schematic diagram,
Fig. 6 is the lateral plan of Fig. 5,
Fig. 7 is the schematic diagram of parking brake lever support,
Fig. 8 is the lateral plan of Fig. 7,
Fig. 9 is the schematic diagram of bracket track,
Figure 10 is the lateral plan of Fig. 9,
In figure: 1-hand brake, 2-bracket track, 3-staking pin, packing ring and the collar, 4-movable pulley fixed support, 5-parking brake lever support, the hand braking slide fastener of 6-, 7-axletree illustrated position, 8-parking brake lever, 9-movable pulley, 10-chain guide, 11-hand brake pull bar bracket, 12-hand brake pull bar reinforced rib, 13-frangibility place
2.1-track bearing, 2.2-track plates,
4.1-movable pulley fixed bracket body, 4.2-movable pulley fixed bracket body connecting panel, the wear-resisting roll sleeve of 4.3-non-metal.
5.1-parking brake lever stake body, 5.2-parking brake lever stake body connecting panel.
Detailed description of the invention
By reference to the accompanying drawings the specific embodiment of the present invention is described further.
Parking brake lever device with movable pulley is primarily of compositions such as bracket track 2, movable pulley fixed support 4, parking brake lever support 5, movable pulley 9, chain guide 10, parking brake lever 8, hand braking slide fastener 6, staking pin, packing ring and the collars 3.
1, bracket track 2 forms primarily of track bearing 2.2 and track plates 2.2, and track plates 2.2 above driving surface is processed into arc surface minimizing and the wear-resisting roll sleeve area of contact of stake body non-metal, reduces friction force when being beneficial to rolling.Bracket track Main Function slides thereon for support, suspend in midair, limit parking brake lever and the teeter of support left and right among a small circle, meet railway operation safety requirement, according to the parking brake lever length that rail freight is arranged, bracket track can establish two groups, one group is installed movable pulley fixed support 4, another group is upper installs parking brake lever support 5.
Movable pulley fixed support 4 and parking brake lever support 5 are made up of stake body, stake body connecting panel, the wear-resisting roll sleeve of non-metal, staking pin, packing ring and the collar etc.
Parking brake lever forms primarily of U-shaped movable pulley seat and band steel assembly welding, holes thereon respectively, meets with staking pin connection request.
This device adopts bracket track, movable pulley fixed support, parking brake lever support, is suspended on car body by movable pulley and parking brake lever, thoroughly eliminates the possibility of reinforced rib pull-out bracket.
When hand braking braking or alleviation, hand braking slide fastener pulls movable pulley and parking brake lever on track plates, to return slip with its support, as when slip clamping stagnation, movable pulley fixed support, parking brake lever support can rotate along car body longitudinal direction as fulcrum around connected staking pin, do not affect its braking or mitigation capability.
2, when by space constraint, this apparatus structure can be compact, and parking brake lever can shorten, and meets the problem that New Type of Railway Freight Cars underframe can not arrange movable pulley device.
3, adopt suspender slip-off preventing up-to-date technology to meet the requirement of traffic safety, do not affect current rail lorry and first paint rear packaging technology.
Claims (6)
1. the parking brake lever device of a railway truck band movable pulley, comprise parking brake lever (8) and movable pulley (9), parking brake lever (8) is formed by U-shaped movable pulley seat and band steel assembly welding, movable pulley (9) is installed on U-shaped movable pulley seat by sheave shaft, it is characterized in that it also comprises bracket track (2), movable pulley fixed support (4) and parking brake lever support (5), described bracket track (2) comprises the track bearing (2.1) be arranged on car body central sill, the upper mounting rail guidance tape (2.2) of track bearing (2.1), movable pulley fixed support (4) and parking brake lever support (5) are installed on track plates (2.2),
Movable pulley fixed support (4) comprises two symmetrical movable pulley fixed bracket body (4.1), two movable pulley fixed bracket body (4.1) tops by staking pin connect, embrace be hung on track plates (2.2), two movable pulley fixed bracket body (4.1) bottoms are connected with the two ends of sheave shaft respectively
Parking brake lever support (5) comprises two symmetrical parking brake lever stake bodies (5.1), two parking brake lever stake body (5.1) tops are connected by staking pin, embrace and be hung on track plates (2.2), and two parking brake lever stake body (5.1) bottoms are connected with the band steel of parking brake lever (8) and hand braking slide fastener (6) simultaneously.
2. the parking brake lever device of railway truck band movable pulley according to claim 1, is characterized in that above described track plates (2.2), driving surface is arc surface.
3. the parking brake lever device of railway truck band movable pulley according to claim 1 and 2, is characterized in that on the staking pin on connection two movable pulley fixed bracket body (4) top and the staking pin on connection two parking brake lever stake body (5.1) tops, cover has the wear-resisting roll sleeve of non-metal.
4. the parking brake lever device of railway truck band movable pulley according to claim 3, is characterized in that the inside middle portion of two movable pulley fixed bracket body (4) is connected by movable pulley fixed bracket body connecting panel (4.2).
5. the parking brake lever device of railway truck band movable pulley according to claim 3, is characterized in that the inside middle portion of two parking brake lever stake bodies (5.1) is connected by parking brake lever stake body connecting panel (5.2).
6. the parking brake lever device of railway truck band movable pulley according to claim 3, is characterized in that bracket track arranges two groups, one group is installed movable pulley fixed support (4), and another group is upper installs parking brake lever support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387255.4A CN102501881B (en) | 2011-11-29 | 2011-11-29 | Manual braking pull rod device for driving pulleys of rail wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387255.4A CN102501881B (en) | 2011-11-29 | 2011-11-29 | Manual braking pull rod device for driving pulleys of rail wagon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102501881A CN102501881A (en) | 2012-06-20 |
| CN102501881B true CN102501881B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110387255.4A Active CN102501881B (en) | 2011-11-29 | 2011-11-29 | Manual braking pull rod device for driving pulleys of rail wagon |
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| CN (1) | CN102501881B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417581A (en) * | 2013-08-21 | 2015-03-18 | 齐齐哈尔轨道交通装备有限责任公司 | Hand braking guide device, hand braking device and railway vehicle |
| CN103481906A (en) * | 2013-09-23 | 2014-01-01 | 长春轨道客车装备有限责任公司 | Manual release device for parking brake cylinder of light rail vehicle |
| CN103481905B (en) * | 2013-09-26 | 2015-08-19 | 南车石家庄车辆有限公司 | A kind of railway wagon brake pull bar spacing bracket |
| CN104176085A (en) * | 2014-09-22 | 2014-12-03 | 南车株洲电力机车有限公司 | Railway vehicle and brake pull rod device thereof |
| CN105235709B (en) * | 2015-10-26 | 2017-11-21 | 中车太原机车车辆有限公司 | A kind of railway wagon hand brake device of novel belt movable pulley |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102212A (en) * | 1976-12-06 | 1978-07-25 | The Maxson Corporation | Railway flat car hand brake system |
| DE3021271A1 (en) * | 1979-06-11 | 1981-01-08 | Niesky Waggonbau Veb | SPINDLE BRAKE FOR RAIL VEHICLES |
| CA2214756A1 (en) * | 1997-08-08 | 1999-02-08 | National Steel Car Limited | Hand brake chain and sheave arrangement |
| RU2191711C2 (en) * | 2000-05-11 | 2002-10-27 | Открытое акционерное общество "Ижорские заводы" | Parking brake linkage |
| CN2892388Y (en) * | 2006-03-14 | 2007-04-25 | 辛振涛 | Railway wagon bogie cross bar torsional moment trigger |
| CN202320377U (en) * | 2011-11-29 | 2012-07-11 | 太原轨道交通装备有限责任公司 | Hand braking pull rod device with movable pulley of railway wagon |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201525706U (en) * | 2009-09-28 | 2010-07-14 | 彭智勇 | System for fully automatically and mechanically carrying wall and floor tiles |
| CN101962026A (en) * | 2010-09-30 | 2011-02-02 | 齐齐哈尔轨道交通装备有限责任公司 | Chain winding shaft and hand brake |
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2011
- 2011-11-29 CN CN201110387255.4A patent/CN102501881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102212A (en) * | 1976-12-06 | 1978-07-25 | The Maxson Corporation | Railway flat car hand brake system |
| DE3021271A1 (en) * | 1979-06-11 | 1981-01-08 | Niesky Waggonbau Veb | SPINDLE BRAKE FOR RAIL VEHICLES |
| CA2214756A1 (en) * | 1997-08-08 | 1999-02-08 | National Steel Car Limited | Hand brake chain and sheave arrangement |
| RU2191711C2 (en) * | 2000-05-11 | 2002-10-27 | Открытое акционерное общество "Ижорские заводы" | Parking brake linkage |
| CN2892388Y (en) * | 2006-03-14 | 2007-04-25 | 辛振涛 | Railway wagon bogie cross bar torsional moment trigger |
| CN202320377U (en) * | 2011-11-29 | 2012-07-11 | 太原轨道交通装备有限责任公司 | Hand braking pull rod device with movable pulley of railway wagon |
Non-Patent Citations (1)
| Title |
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| 铁路货车链式手制动机拉杆存在问题的分析及改进建议;郁陈等;《铁道车辆》;20100510;第48卷(第5期);42-43 * |
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| CN102501881A (en) | 2012-06-20 |
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Address after: 030024 No. 129 Xinghua West Street, Wan Berlin District, Shanxi, Taiyuan Patentee after: CRRC TAIYUAN CO., LTD. Address before: 030009 Shanxi Province, Taiyuan city Xinghualing District No. 10 Jiefang North Road Patentee before: Taiyuan Rail Traffic Equipment Co., Ltd. |