CN103223954B - A kind of rail vehicles foundation brake rigging and hand relieving device thereof - Google Patents
A kind of rail vehicles foundation brake rigging and hand relieving device thereof Download PDFInfo
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- CN103223954B CN103223954B CN201310111068.2A CN201310111068A CN103223954B CN 103223954 B CN103223954 B CN 103223954B CN 201310111068 A CN201310111068 A CN 201310111068A CN 103223954 B CN103223954 B CN 103223954B
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- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000004146 energy storage Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The invention discloses a kind of hand relieving device of rail vehicles foundation brake rigging, the vertical setting in its traction element (1) lower end is also connected with described ratchet pin assembly (3) by converting member (2), the catenary motion of described traction element (1) is converted to the longitudinal movement of described ratchet pin assembly (3) by described converting member (2), and described traction element (1) upper end is connected with the framework (200) of described rail vehicles.Adopt this structure, operating personal only needs to pull the handle (16) of traction element (1) upper end be arranged on framework (200), just braking can be alleviated, achieve the Long-distance Control to ratchet pin assembly (3), greatly improve convenience and the safety of operation.The present invention also discloses a kind of rail vehicles foundation brake rigging comprising above-mentioned hand relieving device, has same effect.
Description
Technical field
The present invention relates to railway rolling stock brake technical field, particularly relate to a kind of rail vehicles foundation brake rigging and hand relieving device thereof.
Background technology
For ensureing the parking brake power requirement of rolling stock on Ku Nei or ramp, the foundation brake rigging of rail vehicles is typically provided with parking brake device, parking brake device generally includes spring energy agency, braking force required when providing rolling stock to park by spring.For ensureing that rolling stock can (such as rolling stock Air compressor work under without total wind condition; total reservoir is without blast) dragged; foundation brake rigging is also provided with hand relieving device usually, and its function is the spring parking brake power thoroughly alleviating parking brake device generation.
Please refer to Fig. 1, Fig. 1 is the installation site figure of the hand relieving device of rail vehicles foundation brake rigging in prior art.
As shown in Figure 1, in prior art, hand relieving device 100 ' is usually located at below bogie truck, when parking brake power removed by needs, need operating personal to carry instrument and get into below bogie truck to pull hand relieving device 100 ' to alleviate, it is very inconvenient to operate, and particularly for the rail vehicles of third rail supply system, brings great potential safety hazard to operating personal.
In view of this, urgently for above-mentioned technical matters, design is optimized to existing hand relieving device, improves its processing safety and convenience, avoid bringing potential safety hazard to operating personal.
Summary of the invention
Object of the present invention is for providing a kind of hand relieving device of rail vehicles foundation brake rigging, and the traction element of this device can be arranged on the framework of rail vehicles, has easy to operate, that safety is high feature.
For solving the problems of the technologies described above, the invention provides a kind of hand relieving device of rail vehicles foundation brake rigging, comprise traction element and ratchet pin assembly, described ratchet pin assembly by its longitudinal movement form with spring energy-storage cylinder in the ratchet cover plate engage or depart from, when it and the ratchet cover plate departs from time alleviate parking brake power; The vertical setting in described traction element lower end is also connected with described ratchet pin assembly by converting member, the catenary motion of described traction element is converted to the longitudinal movement of described ratchet pin assembly by described converting member, and described traction element upper end is connected with the framework of described rail vehicles.
Preferably, described converting member comprises and forms the cushion block be connected, the voussoir be connected with described traction element lower end and straight pin with described spring energy-storage cylinder, described cushion block is provided with longitudinal hole, described ratchet pin assembly is slidedly arranged in described through hole, the vertical friction backing plate of described voussoir sidewall and described cushion block is fitted, thickness flaring or the convergent from top to bottom of described voussoir, described straight pin is laterally plugged in described ratchet pin assembly, and the perisporium of described straight pin abuts with the inclined-plane of described voussoir.
Preferably, described ratchet pin assembly comprises mount pad and ratchet pin, be installed in described through hole for described mount pad, described straight pin is plugged in the hole of described mount pad end, described mount pad is provided with longitudinal ladder blind hole, and described ratchet pin is connected in described longitudinal ladder blind hole.
Preferably, the first snap ring, the second snap ring is set with outside described ratchet pin, be provided with inside described first snap ring outside the first pad, described second snap ring and be provided with the second pad, the part of described ratchet pin between the first pad and the second pad is set with the retainer spring in compressive state, the perisporium of described longitudinal ladder blind hole is provided with annular groove, between described annular groove and described ratchet pin, back-up ring is housed, the inner side of described back-up ring is located at by described second pad.
Preferably, also comprise the mounting box be connected with described cushion block, described mounting box and described cushion block form the cavity of accommodating described voussoir; Described traction element comprises steel rope, and be located at the sleeve pipe of outside, described steel rope lower end, described sleeve pipe is connected with described mounting box, and described steel rope lower end is passed sleeve pipe, is connected with described voussoir in described mounting box.
Preferably, realize traction element and the automatically reset reset components of ratchet pin assembly after being also included in hand relieving, described reset components is located between described traction element and described converting member and/or between described converting member and described ratchet pin assembly.
Preferably, described reset components comprises the first retracing spring be set between described steel rope and described sleeve pipe, and the two ends of described first retracing spring abut with described sleeve pipe, described voussoir respectively.
Preferably, described through hole has step, and the cross-sectional plane of the first through hole of described step side is greater than the cross-sectional area of the second through hole of step opposite side, and described mount pad is installed in the first through hole, and its end is slidedly arranged in the second through hole; Described mount pad and described second through hole sliding block joint, described reset components also comprises the second retracing spring be sheathed between described mount pad and described first through hole, and described second retracing spring two ends abut respectively at described step, described mount pad outer end.
Preferably, described traction element upper end is provided with adapter plate, and described adapter plate is connected with described framework by bolt assembly.
The invention provides a kind of hand relieving device of rail vehicles foundation brake rigging, its vertical setting in traction element lower end is also connected with ratchet pin assembly by converting member, the catenary motion of traction element is converted to the longitudinal movement of ratchet pin assembly by converting member, and traction element upper end is connected with the framework of rail vehicles.
Adopt this structure, when operating personal pulls the upper end of traction element, there is catenary motion in the lower end of traction element thereupon, this catenary motion is converted to the longitudinal movement of ratchet pin assembly by converting member, thus realize ratchet pin and spring energy-storage cylinder form in the ratchet cover plate depart from, namely realize the alleviation of parking brake power.As can be seen here, adopt this structure, operating personal only needs the upper end pulling the traction element be located on framework, just braking can be alleviated, getting at the bottom of car just stretchy traction element with operating personal in prior art realizes alleviating compared with the hand relieving device braked, the arrangement achieves the Long-distance Control to ratchet pin assembly, greatly improve simple operation and safety.
The present invention also provides a kind of rail vehicles foundation brake rigging, comprises walking and braking device, parking brake device and hand relieving device; Described hand relieving device adopts hand relieving device as above.
Because above-mentioned hand relieving device has as above technique effect, therefore, the rolling stock foundation brake rigging comprising this hand relieving device also should have identical technique effect, does not repeat them here.
Accompanying drawing explanation
Fig. 1 is the installation site figure of the hand relieving device of rail vehicles in prior art;
Fig. 2 is provided by the present invention to the structural representation of a kind of detailed description of the invention of hand relieving device;
Fig. 3 is the structural representation of ratchet pin assembly in Fig. 2 and converting member junction;
Fig. 4 is the assembling schematic diagram of hand relieving device shown in Fig. 2 on foundation brake rigging;
Fig. 5 is installed on the structural representation on rail vehicles framework for hand relieving device shown in Fig. 2.
Wherein, the Reference numeral in Fig. 1 and the corresponding relation between component names are:
Hand relieving device 100 ';
Reference numeral in Fig. 2 to Fig. 5 and the corresponding relation between component names are:
Traction element 1; Steel rope 11; Steel wire loop 12; Sleeve pipe 13; Adapter plate 14; First retracing spring 15; Handle 16;
Converting member 2; Cushion block 21; Through hole 211; Step 2111; Voussoir 22; Inclined-plane 221; Straight pin 23; Mounting box 24;
Ratchet pin assembly 3; Mount pad 31; Ladder blind hole 311; The ladder 3111 of ladder blind hole; Ratchet pin 32; Back-up ring 321; Retainer spring 322; First pad 323; Second pad 324; First snap ring 325; Second snap ring 326; 3rd snap ring 327; Second retracing spring 33;
Spring energy-storage cylinder composition 100; Framework 200.
Detailed description of the invention
Core of the present invention is for providing a kind of rail vehicles foundation brake rigging and hand relieving device thereof, this hand relieving device achieves the Long-distance Control of relieving apparatus by arranging converting member, enable operating personal stand in framework side and carry out alleviation braking, improve operability and the safety of relieving apparatus.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
It should be noted that, the noun of locality " longitudinal direction " occurred herein, " transverse direction " and " vertical " refer to when rail vehicles is arranged on track respectively, track longitudinal, horizontal and vertical, specifically in fig. 2, " longitudinal direction " refers to the direction that left and right extends, " transverse direction " refers to the direction perpendicular to paper, and " vertical " refers to the direction of downward-extension; In addition; the noun of locality " interior " herein, " outward " to refer in Fig. 2 direction from right to left, direction from left to right respectively; should be appreciated that these nouns of locality are that benchmark is set up with Figure of description, their appearance should not affect protection scope of the present invention.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural representation of a kind of detailed description of the invention of hand relieving device provided by the present invention, and Fig. 3 is the structural representation of ratchet pin assembly in Fig. 2 and converting member junction; Fig. 4 is the assembling schematic diagram of hand relieving device shown in Fig. 2 on foundation brake rigging.
In a kind of detailed description of the invention, as shown in Figure 2, the invention provides a kind of hand relieving device of rail vehicles foundation brake rigging, mainly comprise traction element 1, ratchet pin assembly 3 and converting member 2.Ratchet pin assembly 3 is usually corresponding with the ratchet cover plate that spring energy-storage cylinder forms in 100 to be arranged, and it can realize engaging with the ratchet cover plate or departing from by the longitudinal crank motion of self, can realize the alleviation of parking brake when ratchet pin 32 departs from the ratchet cover plate.The vertical setting in lower end of traction element 1 is also connected with ratchet pin assembly 3 by converting member 2, and the upper end of traction element 1 is connected with the framework 200 of rolling stock.The catenary motion of traction element 1 lower end is converted to the longitudinal movement of ratchet pin assembly 3 by converting member 2.
Adopt this structure, when operating personal pulls the upper end of traction element 1, there is catenary motion in the lower end of traction element 1 thereupon, and this catenary motion is converted to the longitudinal movement of ratchet pin assembly 3 by converting member 2, thus realize ratchet pin 32 and depart from the ratchet cover plate, namely realize the alleviation of parking brake.As can be seen here, adopt this structure, operating personal only needs to pull the upper end of the traction element 1 be located on framework 200, just braking can be alleviated, to get at the bottom of car just stretchy with operating personal in prior art to alleviate draw ring and realize alleviating compared with the hand relieving device braked, the arrangement achieves the Long-distance Control to ratchet pin assembly 3, greatly improve simple operation and safety.
The concrete structure of above-mentioned converting member 2 can also be set further.
In another kind of detailed description of the invention, as shown in Figure 2, above-mentioned converting member 2 can comprise cushion block 21, voussoir 22 and straight pin 23, cushion block 21 and spring energy-storage cylinder form 100 and are connected, cushion block 21 is provided with longitudinal hole 211, ratchet pin assembly 3 is slidedly arranged in through hole 211, voussoir 22 is connected with traction element 1, the vertical friction backing plate of voussoir 22 side and cushion block 21 is fitted, thickness convergent or the flaring from top to bottom of voussoir 22, straight pin 23 is laterally plugged in ratchet pin assembly 3 and the perisporium of described straight pin 23 abuts with the inclined-plane 221 of described voussoir 22.It should be noted that, for the voussoir 22 of thickness convergent and the voussoir 22 of thickness flaring from top to bottom, principle of work is all identical, only needs operating personal to pull to different directions traction element 1 just can realize alleviation and brakes.Below for the structure of the thickness of voussoir 22 along direction flaring from top to bottom, illustrate the switching process of this hand relieving device:
Adopt this structure, as shown in Figure 2, when operating personal pulls traction element 1 upward movement, the lower end of traction element 1 drives voussoir 22 upward movement, and the thickness of voussoir 22 in same level is increased, distance between the vertical sidewall of i.e. straight pin 23 and cushion block 21 increases, force straight pin 23 to move along the inclined-plane 221 of voussoir 22, namely straight pin 23 entirety is to left movement, and then drives ratchet pin assembly 3 to left movement, realize ratchet pin 32 to depart from the ratchet cover plate, namely realize the alleviation of parking brake.
As can be seen here, the converting member 2 of said structure achieves the conversion of catenary motion to longitudinal movement simply, easily, and then achieves the Long-distance Control of hand relieving device.Can expect, above-mentioned converting member 2 is not limited in this device, can also realize the conversion of catenary motion to longitudinal movement by screw mechanism.
The concrete structure of above-mentioned ratchet pin assembly 3 can also be set further.
In another kind of detailed description of the invention, as shown in Figure 2, above-mentioned ratchet pin assembly 3 can comprise mount pad 31 and ratchet pin 32, be slidedly arranged in through hole 211 for mount pad 31, in in the hole that straight pin 23 is plugged in mount pad 31 end, mount pad 31 is provided with longitudinal ladder blind hole 311, and ratchet pin 32 is connected in ladder blind hole 311.
In concrete scheme, the first snap ring 325, second snap ring 326 is set with outside ratchet pin 32, and inside the first snap ring 325, be provided with the first pad 323, outside the second snap ring 326, be provided with the second pad 324, the part of ratchet pin 32 between the first pad 323 and the second pad 324 is set with the retainer spring 322 in compressive state, the perisporium of longitudinal ladder blind hole 311 is provided with annular groove, back-up ring 321 is housed between annular groove and ratchet pin 32, and the inner side of back-up ring 321 is located at by the second pad 324.
Adopt this structure, when upwards pulling traction element 1, when driving mount pad 31 to slide left, because back-up ring 321 is located in the annular groove of ladder blind hole 311, the retainer spring 322 of compression applies spring force respectively to outside the first pad 323 and inside the second pad 324, make the ladder 3111 of the interior side compression ladder blind hole of the first pad 323, inside the outer side compression back-up ring 321 making the second pad 324, ensure that the first pad 323 and the second pad 324 move with mount pad 31 Integral synchronous, first pad 323 is to left movement, and then drive snap ring 325 to move, drive ratchet pin 32 to move by snap ring 325 more thereupon, thus achieve being synchronized with the movement of ratchet pin 32 and mount pad 31.This structure achieves the connection of ratchet pin 32 and mount pad 31 simply, easily, and has the feature of installation, convenient disassembly.Certainly, above-mentioned ratchet pin assembly 3 only for this structure of employing, can not also adopt the structure be fixedly connected with ratchet pin 32 by mount pad 31.
More specifically, at least one the 3rd snap ring 327 can also be set between the first snap ring 325 and the second snap ring 326, further can strengthen the positioning action to ratchet pin 32 like this, when preventing the first snap ring 325 or the second snap ring 326 to lose efficacy, ratchet pin 32 is deviate from from longitudinal ladder blind hole 311 of 31 of mount pad.
The concrete structure of above-mentioned traction element 1 can also be set further.
In another kind of detailed description of the invention, as shown in Figure 2, above-mentioned hand relieving device can also comprise the mounting box 24 be connected with cushion block 21, and mounting box 24 and cushion block 21 form the cavity of accommodating voussoir 22; Traction element 1 mainly comprises steel rope 11, and be located at the sleeve pipe 13 of outside, steel rope 11 lower end, sleeve pipe 13 is threaded with mounting box 24, and steel rope 11 lower end is connected with voussoir 22 in mounting box 24 through sleeve pipe 13.
Adopt steel rope 11 as the traction element 1 of hand relieving device; there are good strength and stiffness; the steel wire loop 12 pairs of steel ropes 11 being located at steel rope 11 outside play certain protective effect; and be convenient to mounting plate 14; the sleeve pipe 13 being located at outside, steel rope 11 lower end is connected with mounting box 24; pull the upper end of steel rope 11 to make its upward movement, its lower end can drive voussoir 22 to move, and then realizes hand relieving braking.Certainly, above-mentioned traction element 1 can also adopt other structures.
Further, above-mentioned hand relieving device realizes traction element 1 and the automatically reset reset components of ratchet pin assembly 3 after can also being included in hand relieving, reset components is located between traction element 1 and converting member 2 and/or between converting member 2 and ratchet pin assembly 3.
Particularly, the two ends that reset components can comprise the first retracing spring 15, first retracing spring 15 be set between steel rope 11 and sleeve pipe 13 abut with sleeve pipe 13, voussoir 22 respectively.Particularly, sleeve pipe 13 through hole can be set to ladder hole, the top of the first retracing spring 15 be connected to the ladder place of sleeve through hole.
Adopt this structure, when operating personal upwards pulls steel rope 11, sleeve pipe 13 invariant position, voussoir 22 move up, therefore the first retracing spring 15 is compressed, when hand has been alleviated, after the pulling force of operating personal disappears, the its own resilient of the first retracing spring 15 can apply downward pressure to voussoir 22 makes it move downward, and plays the effect of reset, thus is convenient to next hand alleviation operation.
In addition, the through hole 211 of above-mentioned cushion block 21 can have step 2111, the cross-sectional area of the first through hole of step 2111 side is greater than the cross-sectional area of the second through hole of second step 2111 opposite side, described mount pad 31 is installed in the first through hole, and the second through hole is stretched out in its end, and be connected with described straight pin 23 and voussoir 22, described mount pad 31 and described second through hole sliding block joint, described reset components also comprises the second retracing spring 33 be sheathed between described mount pad 31 and described first through hole, described second retracing spring 33 two ends are respectively at described step 2111, described mount pad 31 outer end abuts.
Adopt this structure, when operating personal upwards pulls steel rope 11, step 2111 invariant position, mount pad 31 outer end move inward, therefore retracing spring 33 is compressed, when hand relieving completes, after the pulling force of operating personal disappears, the its own resilient of retracing spring 33 can apply outside pressure to mount pad 31 outer end makes it move right, and plays the effect of reset equally, thus is convenient to the operation of next hand relieving.
The reset components adopting above-mentioned first retracing spring 15 and the second retracing spring 33 to combine, can make traction element 1 and converting member 2, converting member 2 and ratchet pin assembly 3 reset after hand relieving completes simultaneously, is convenient to the operation of next hand relieving.Can expect, above-mentioned reset components, not only for this structure, also only can adopt retracing spring 15 or only adopt retracing spring 33 as reset components, but reset effect is slightly poor.
In another kind of detailed description of the invention, as shown in Figure 5, Fig. 5 is installed on the structural representation on rail vehicles framework for hand relieving device shown in Fig. 2, the upper end horizontally set of above-mentioned traction element 1, the upper end of this traction element 1 is provided with adapter plate 14, and adapter plate 14 is connected with framework 200 by bolt assembly.
Adopt this structure, by the upper end horizontally set of traction element 1, compared with the structure longitudinally arranged with the upper end of traction element 1, framework 200 side can be stood in pull traction element 1 by more convenient operating personal.Further, above-mentioned traction element 1 also comprises handle 16, thus convenient operation personnel pull traction element, realize hand relieving.
In addition, the present invention also provides a kind of rail vehicles foundation brake rigging, comprises walking and braking device, parking brake device and hand relieving device, and hand relieving device adopts structure as above.
Because above-mentioned hand relieving device has as above technique effect, therefore, the foundation brake rigging comprising this hand relieving device also should have identical technique effect, does not repeat them here.
Above the hand relieving device of a kind of rolling stock foundation brake rigging provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. the hand relieving device of a rail vehicles foundation brake rigging, comprise traction element (1) and ratchet pin assembly (3), by its longitudinal movement, the ratchet cover plate formed in (100) engages or departs from described ratchet pin assembly (3) with spring energy-storage cylinder, when it and the ratchet cover plate departs from time alleviate parking brake power; It is characterized in that, the vertical setting in described traction element (1) lower end is also connected with described ratchet pin assembly (3) by converting member (2), the catenary motion of described traction element (1) is converted to the longitudinal movement of described ratchet pin assembly (3) by described converting member (2), and described traction element (1) upper end is connected with the framework (200) of described rail vehicles;
Described converting member (2) comprises the cushion block (21) forming (100) with described spring energy-storage cylinder and be connected, the voussoir (22) be connected with described traction element (1) lower end and straight pin (23), described cushion block (21) is provided with longitudinal hole (211), described ratchet pin assembly (3) is slidedly arranged in described through hole (211), the vertical friction backing plate of described voussoir (22) sidewall and described cushion block (21) is fitted, thickness flaring or the convergent from top to bottom of described voussoir (22), described straight pin (23) is laterally plugged in described ratchet pin assembly (3), and the perisporium of described straight pin (23) abuts with the inclined-plane (221) of described voussoir (22).
2. the hand relieving device of rail vehicles foundation brake rigging according to claim 1, it is characterized in that, described ratchet pin assembly (3) comprises mount pad (31) and ratchet pin (32), be installed in described through hole (211) for described mount pad (31), described straight pin (23) is plugged in the hole of described mount pad (31) end, described mount pad (31) is provided with longitudinal ladder blind hole (311), and described ratchet pin (32) is connected in described longitudinal ladder blind hole (311).
3. the hand relieving device of rail vehicles foundation brake rigging according to claim 2, it is characterized in that, the first snap ring (325) is set with outside described ratchet pin (32), second snap ring (326), described first snap ring (325) inner side is provided with the first pad (323), described second snap ring (326) outside is provided with the second pad (324), the part of described ratchet pin (32) between the first pad (323) and the second pad (324) is set with the retainer spring (322) in compressive state, the perisporium of described longitudinal ladder blind hole (311) is provided with annular groove, back-up ring (321) is housed between described annular groove and described ratchet pin (32), described second pad (324) is located at the inner side of described back-up ring (321).
4. the hand relieving device of the rail vehicles foundation brake rigging according to any one of claim 1-3, it is characterized in that, also comprise the mounting box (24) be connected with described cushion block (21), described mounting box (24) and described cushion block (21) form the cavity of accommodating described voussoir (22); Described traction element (1) comprises steel rope (11), be located at the sleeve pipe (13) of described steel rope (11) outside, lower end, described sleeve pipe (13) is connected with described mounting box (24), and described steel rope (11) lower end is passed sleeve pipe (13), is connected with described voussoir (22) in described mounting box (24).
5. the hand relieving device of rail vehicles foundation brake rigging according to claim 4, it is characterized in that, realize traction element (1) and ratchet pin assembly (3) automatically reset reset components after being also included in hand relieving, described reset components is located between described traction element (1) and described converting member (2) and/or between described converting member (2) and described ratchet pin assembly (3).
6. the hand relieving device of rail vehicles foundation brake rigging according to claim 5, it is characterized in that, described reset components comprises the first retracing spring (15) be set between described steel rope (11) and described sleeve pipe (13), and the two ends of described first retracing spring (15) abut with described sleeve pipe (13), described voussoir (22) respectively.
7. the hand relieving device of rail vehicles foundation brake rigging according to claim 6, it is characterized in that, described through hole (211) has step (2111), the cross-sectional plane of the first through hole of described step (2111) side is greater than the cross-sectional area of the second through hole of step (2111) opposite side, described mount pad (31) is installed in the first through hole, and its end is slidedly arranged in the second through hole; Described mount pad (31) and described second through hole sliding block joint, described reset components also comprises the second retracing spring (33) be sheathed between described mount pad (31) and described first through hole, and described second retracing spring (33) two ends abut respectively at described step (2111), described mount pad (31) outer end.
8. the hand relieving device of the rail vehicles foundation brake rigging according to any one of claim 1-3, it is characterized in that described traction element (1) upper end is provided with adapter plate (14), described adapter plate (14) is connected with described framework (200) by bolt assembly.
9. a foundation brake rigging for rail vehicles, comprises walking and braking device, parking brake device and hand relieving device; It is characterized in that, described hand relieving device adopts the hand relieving device as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111068.2A CN103223954B (en) | 2013-04-01 | 2013-04-01 | A kind of rail vehicles foundation brake rigging and hand relieving device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111068.2A CN103223954B (en) | 2013-04-01 | 2013-04-01 | A kind of rail vehicles foundation brake rigging and hand relieving device thereof |
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| CN103223954A CN103223954A (en) | 2013-07-31 |
| CN103223954B true CN103223954B (en) | 2015-10-21 |
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| CN201310111068.2A Expired - Fee Related CN103223954B (en) | 2013-04-01 | 2013-04-01 | A kind of rail vehicles foundation brake rigging and hand relieving device thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184278A (en) * | 2015-05-10 | 2016-12-07 | 杨弘 | On a kind of car, the parking brake armstrong's patent of operation alleviates device |
| CN106740971A (en) * | 2016-12-15 | 2017-05-31 | 中车青岛四方车辆研究所有限公司 | The hand relieving device of rail vehicle Parking Brake Cylinders |
| CN107035796A (en) * | 2016-12-26 | 2017-08-11 | 常州中车铁马科技实业有限公司 | The hand relieving device of storing cycle cylinder |
| CN109080660B (en) * | 2018-08-10 | 2019-12-17 | 中车株洲电力机车有限公司 | passive hydraulic clamp and manual relieving mechanism thereof |
| CN112824206B (en) * | 2019-11-21 | 2022-07-26 | 中车唐山机车车辆有限公司 | Rail vehicle parking brake relieving device and rail vehicle |
| CN114394072B (en) * | 2022-01-06 | 2023-08-08 | 中车齐齐哈尔车辆有限公司 | Brake valve relief operation device |
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| CN103223954A (en) | 2013-07-31 |
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