CN202883828U - Railway vehicle floating type hydraulic brake clamp - Google Patents
Railway vehicle floating type hydraulic brake clamp Download PDFInfo
- Publication number
- CN202883828U CN202883828U CN 201220518740 CN201220518740U CN202883828U CN 202883828 U CN202883828 U CN 202883828U CN 201220518740 CN201220518740 CN 201220518740 CN 201220518740 U CN201220518740 U CN 201220518740U CN 202883828 U CN202883828 U CN 202883828U
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- China
- Prior art keywords
- brake
- lever
- floating type
- type hydraulic
- hydraulic brake
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a railway vehicle floating type hydraulic brake clamp which comprises a clamp body, a brake cylinder and a shaft. The clamp body is movably connected with the shaft and can float along the axial direction of the shaft. The clamp body comprises a main body, a fixed rod and a lever, wherein the fixed rod and the lever are oppositely arranged, the fixed rod is fixedly connected with the main body, the fixed rod is connected with the lever through a connection rod, the fixed rod is fixedly connected with one end of the connection rod, the lever is movably connected with the other end of the connection rod and can rotate with the connection point as the support point, one end of the lever is connected with the brake cylinder, brake linings are arranged on the opposite sides of the fixed rod and the lever, and the pair of the brake linings can clamp a brake disk in brake. The brake clamp is in float connection with the shaft to automatically adapt to the fixed position of the brake disk. Simultaneously, hydraulic brake is used so as to be stable in a brake process, high in brake efficiency and capable of meeting safe running requirements of railway vehicles.
Description
Technical field
The utility model relates to a kind of brake clamp that uses at rail truck, and particularly a kind of floating type hydraulic brake clamp belongs to rail truck manufacturing technology field.
Background technique
Along with developing rapidly of High Speed Railway Vehicle, brake clamp is as railway vehicle braking foundation brake parts, and its performance directly has influence on the security of operation of rail truck.The braking system of domestic High Speed Railway Vehicle generally adopts the disc type brake mode, namely at axletree brake disc is installed, and makes brake lining press the brake disc side with brake clamp, produces frictional force and realizes braking.The moving mode of braking of state's inner disc adopts the Lever type brake rigging mostly at present, this braking device comprises two brake levers, connect by connecting rod between two brake levers, be flexibly connected between the two ends of connecting rod and two brake levers, rotate take tie point as fulcrum, the brake lining that is provided with at brake lever, the other end at brake lever connects master cylinder, during braking, under the effect of master cylinder, two brake levers and brake lining close brake disc simultaneously gives birth to clamping force and realizes braking, and this kind mode of braking braking force is not steady, and retardation efficiency is lower.This kind disc brake, the frictional force that brake pad produces need to arrange special hanging and bear, and the hanging and require centering good to hanging of break of both sides brake plate support, if born by lever, requirement to lever is high especially, simultaneously frictional force finally all is delivered on the mounting structure of brake clamp and bogie, mounting structure is required harsh.
The model utility content
The utility model main purpose is to address the above problem and is not enough, and the rail truck floating type hydraulic that a kind of braking process is steady, retardation efficiency is high brake clamp is provided.
For achieving the above object, the technical solution of the utility model is:
A kind of rail truck floating type hydraulic brake clamp, comprise caliper body, master cylinder and axle, described caliper body and described axle are flexibly connected and along the axial float of described axle, described caliper body comprises body and the fixing rod that is oppositely arranged and lever, described fixing rod is fixedly connected with described body, connect by connecting rod between described fixing rod and the lever, described fixing rod is fixedly connected with an end of described connecting rod, the other end of described lever and described connecting rod is flexibly connected and rotates take this tie point as fulcrum, one end of described lever is connected with described master cylinder, opposite side at described fixing rod and lever respectively arranges a brake lining, and described a pair of brake lining clamps described brake disc when braking.
Further, between described fixing rod and described lever, also connect a release spring.
Further, in described master cylinder inside one butterfly spring is set, the movable end of described butterfly spring is connected with the piston of described master cylinder.
Further, the body of described caliper body, fixing rod and the described connecting rod part that is structure as a whole.
Further, an end of described axle is fixed on the car body structure part.
Further, the body of described caliper body has a through hole, and described axle passes the flexible connection that described through hole is realized described caliper body and described axle.
Further, be filled with the profit grease between described body and the described axle.
Further, be provided with a hand-hole that is used for injecting the profit grease in the end of travel of the described body that is connected with described axle.
Further, described caliper body is that the alloy cast steel material is made.
Content to sum up, rail truck floating type hydraulic brake clamp described in the utility model, floating connection between brake clamp and the axle, automatically adapt to the changeless position of brake disc, adopt simultaneously hydraulic braking, so that braking process is more steady, retardation efficiency is high, satisfies the safe operation requirement of High Speed Railway Vehicle.
Description of drawings
Fig. 1 is the utility model hydraulic braking clamp structure schematic representation;
Fig. 2 is the utility model hydraulic braking clamp action schematic representation.
As depicted in figs. 1 and 2, caliper body 1, master cylinder 2, axle 3, brake lining 4, brake disc 5, body 6, fixing rod 7, lever 8, connecting rod 9, hand-hole 10, tie point 11, cylinder body 12, piston 13, butterfly spring 14, structural member 15, release spring 16, cross bar 17, pole 18, pouring orifice 19.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As shown in Figure 1, rail truck floating type hydraulic brake clamp described in the utility model is applied in the disk braking system.
Brake clamp comprises caliper body 1, master cylinder 2, axle 3, a pair of brake lining 4, and a pair of brake lining 4 clamps brake disc 5 and realizes braking when braking.
Axle 3 is cantilever position, one end of axle 3 is fixed on the structural member 15, be flexibly connected between the cantilever segment of caliper body 1 and axle 3, in braking and alleviation process, caliper body 1 can along axle 3 axially about float, automatically adapt to brake disc 5 changeless positions, so that braking process is more steady, improve retardation efficiency.
As depicted in figs. 1 and 2, caliper body 1 is comprised of body 6, the fixing rod 7 that is oppositely arranged and lever 8, fixing rod 7 is fixedly connected with body 6, fixing rod 7 is mobile with body 6 interlocks, fixing rod 7 and lever 8 are oppositely arranged, connect by connecting rod 9 between fixing rod 7 and the lever 8, integral clamping body 1 roughly is H shape.Have a through hole on the body 6, axle 3 passes through hole, realizes the flexible connection between body 6 and the axle 3, and caliper body 1 can be floated along axle 3 along the axle 3 unsteady bodies 6 that are.Be filled with the profit grease between body 6 and the axle 3, be provided with a hand-hole 10 that is used for injecting the profit grease in the end of travel of the body 6 that is connected with axle 3, regularly give axle 3 supplemental lubrication fat, strengthen the sliding capability between the matching hole on axle 3 and the caliper body 1.For simplified structure, body 6, fixing rod 7 and connecting rod 9 adopt integrative-structure spare.
Be fixedly connected with between one end of fixing rod 7 and connecting rod 9, the other end of lever 8 and connecting rod 9 is by flexible connections such as pins, and lever 8 rotates take this tie point 11 as fulcrum.Relative inboard in fixing rod 7 and lever 8 bottoms respectively arranges a brake lining 4, and brake disc 5 is between two brake linings 4.In braking and alleviation process, the brake lining 4 on the right is mobile under the effect of lever 8, and the brake lining 4 on the left side can move axially along axle 3 along with fixing rod 7 and body 6, automatically adapts to brake disc 5 changeless positions.
As shown in Figure 2, master cylinder 2 is positioned at the opposite side of connecting rod 9, master cylinder 2 comprises cylinder body 12, be provided with piston 13 and butterfly spring 14 in cylinder body 12, the movable end of butterfly spring 14 is connected with the rearward end of piston 13, and the front end of piston 13 is connected with the top of lever 8, piston 13 stretches out and when retracting, drive lever 8 and rotate around tie point 11, and then drive brake lining 4 clamping brake discs 5 or leave brake disc 5, to realize braking and to alleviate.
As shown in Figure 1, between fixing rod 7 and lever 8, also connect a release spring 16, release spring 16 is set on the cross bar 17, cross bar 17 is positioned at position and master cylinder 2 homonymies of connecting rod 9 tops, on the body 6 of caliper body 1, extend again two poles 18, the two ends of cross bar 17 are fixed on the pole of both sides, and the two ends of release spring 16 are connected and fixed respectively bar 7 and lever 8.
Caliper body 1 is made for the alloy cast steel material, contains Cr in the alloy cast steel material, and it has high intensity, hardness and wear resistance, and can anti-oxidant, corrosion protection, also has certain heat resistance, is the important composition element of refractory steel.Mo element in the alloy cast steel material, the existence of this element mean this it have good the quenching of heat resistance and steal property and creep resisting ability, the ability that has in other words resistance to deformation under the high temperature, therefore the alloy cast steel material is applicable to the environment of high strength, high temperature, heavy duty, because in braking process, producing larger frictional heat, so the alloy cast steel material is specially adapted in the braking system of high speed railway car.The part of alloy cast steel material energy shaped structure complexity is subjected to size and weight limits less simultaneously, and raw-material utilization ratio is high, and cost is low.
The below is according to the working procedure of this brake clamp of detailed description shown in Figure 2:
Braking process:
When car brakeing, pressure in the releasing brake cylinder 2, butterfly spring 14 in the master cylinder 2 is under its initial elastic force effect, pushing piston 13 is mobile to the right, piston 13 promotes the top of lever 8 again, lever 8 rotates around tie point 11, under the effect of lever 8, make the brake lining 4 one direction effects on right side, the brake lining 4 on right side is pressed to brake disc 5, after the contacts side surfaces of the brake lining 4 on right side and brake disc 5, the body 6 of brake clip caliper 1 slides along axle 3 under reaction force acts, and the brake lining 4 in fixing rod 7 and left side is along with movement, automatically adapt to brake disc 5 changeless positions, until the brake lining 4 in left side also with the contacts side surfaces of brake disc 5, the brake lining 4 of both sides is exerted pressure to brake disc 5 jointly, finishes braking.
Simultaneously, before the pressure in releasing brake cylinder 2, release spring 16 is in compressed state, along with the pressure decreased in the master cylinder 2, lever 8 is under the effect of release spring 16 spring forces, and the brake lining 4 that also drives the right is pressed to brake disc 5, produces braking force, move simultaneously with master cylinder 2, to improve retardation efficiency.
The release of brake process:
When car brakeing is alleviated, enter hydraulic oil from the pouring orifice 19 of master cylinder 2, after pressure rises to certain value, hydraulic action in the master cylinder 2 makes butterfly spring 14 compressive strains in the master cylinder 2, and then the top that drives lever 8 is mobile to the left, the brake lining 4 on right side begins to break away from brake disc 5, in this process, the body 6 of brake clip caliper 1 slides along axle 3, the brake lining 4 in fixing rod 7 and left side is along with movement, automatically adapt to brake disc 5 changeless positions, until the brake lining 4 in left side also breaks away from the side of brake disc 5, finish release of brake.
Simultaneously, along with the increase of master cylinder 2 internal pressures, lever 8 rotates, and then so that release spring 16 is compressed, under the effect of release spring 16, the brake lining 4 in left side also breaks away from brake disc 5, finishes release of brake.
As mentioned above, given scheme content can derive similar technological scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (9)
1. rail truck floating type hydraulic brake clamp, it is characterized in that: comprise caliper body, master cylinder and axle, described caliper body and described axle are flexibly connected and along the axial float of described axle, described caliper body comprises body and the fixing rod that is oppositely arranged and lever, described fixing rod is fixedly connected with described body, connect by connecting rod between described fixing rod and the lever, described fixing rod is fixedly connected with an end of described connecting rod, the other end of described lever and described connecting rod is flexibly connected and rotates take this tie point as fulcrum, one end of described lever is connected with described master cylinder, opposite side at described fixing rod and lever respectively arranges a brake lining, and described a pair of brake lining clamps described brake disc when braking.
2. rail truck floating type hydraulic brake clamp according to claim 1 is characterized in that: also connect a release spring between described fixing rod and described lever.
3. rail truck floating type hydraulic brake clamp according to claim 1, it is characterized in that: in described master cylinder inside one butterfly spring is set, the movable end of described butterfly spring is connected with the piston of described master cylinder.
4. rail truck floating type hydraulic brake clamp according to claim 1 is characterized in that: the body of described caliper body, fixing rod and the described connecting rod part that is structure as a whole.
5. rail truck floating type hydraulic brake clamp according to claim 1, it is characterized in that: an end of described axle is fixed on the structural member.
6. rail truck floating type hydraulic brake clamp according to claim 1, it is characterized in that: the body of described caliper body has a through hole, and described axle passes the flexible connection that described through hole is realized described caliper body and described axle.
7. rail truck floating type hydraulic brake clamp according to claim 6 is characterized in that: be filled with the profit grease between described body and the described axle.
8. rail truck floating type hydraulic brake clamp according to claim 7 is characterized in that: be provided with a hand-hole that is used for injecting the profit grease in the end of travel of the described body that is connected with described axle.
9. each described rail truck floating type hydraulic brake clamp according to claim 1-8, it is characterized in that: described caliper body is that the alloy cast steel material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518740 CN202883828U (en) | 2012-10-11 | 2012-10-11 | Railway vehicle floating type hydraulic brake clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518740 CN202883828U (en) | 2012-10-11 | 2012-10-11 | Railway vehicle floating type hydraulic brake clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883828U true CN202883828U (en) | 2013-04-17 |
Family
ID=48075259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518740 Expired - Lifetime CN202883828U (en) | 2012-10-11 | 2012-10-11 | Railway vehicle floating type hydraulic brake clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109073001A (en) * | 2015-11-30 | 2018-12-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake clamp device and the vehicle for using the brake clamp device |
| CN117023384A (en) * | 2023-10-07 | 2023-11-10 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
-
2012
- 2012-10-11 CN CN 201220518740 patent/CN202883828U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109073001A (en) * | 2015-11-30 | 2018-12-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake clamp device and the vehicle for using the brake clamp device |
| CN109073001B (en) * | 2015-11-30 | 2020-04-24 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake caliper device and vehicle using same |
| CN117023384A (en) * | 2023-10-07 | 2023-11-10 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
| CN117023384B (en) * | 2023-10-07 | 2024-01-09 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |