CN103223954A - Foundation brake rigging of railway rolling stock and manually relieving device thereof - Google Patents
Foundation brake rigging of railway rolling stock and manually relieving device thereof Download PDFInfo
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- CN103223954A CN103223954A CN2013101110682A CN201310111068A CN103223954A CN 103223954 A CN103223954 A CN 103223954A CN 2013101110682 A CN2013101110682 A CN 2013101110682A CN 201310111068 A CN201310111068 A CN 201310111068A CN 103223954 A CN103223954 A CN 103223954A
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- 238000004146 energy storage Methods 0.000 claims description 8
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Abstract
The invention discloses a manually relieving device of a foundation brake rigging of a railway rolling stock. The lower end of a traction component (1) of the manually relieving device is vertically arranged and connected with a ratchet pin component (3) through a conversion component (2); the conversion component (2) converts the vertical movement of the traction component (1) into the longitudinal movement of the ratchet pin component (3); and the upper end of the traction component (1) is connected with a framework (200) of the railway rolling stock. With the adoption of the structure, an operator can relieve braking only through pulling a handle (16) at the upper end of the traction component (1) mounted on the framework (200), therefore, remote control of the ratchet pin component (3) is achieved, and the operation convenience and safety are improved greatly. The invention further discloses the foundation brake rigging of the railway rolling stock, which comprises the manually relieving device and has the same effects.
Description
Technical field
The present invention relates to the railway rolling stock brake technical field, relate in particular to a kind of rail vehicles foundation brake rigging and hand relieving device thereof.
Background technology
For guaranteeing the parking brake power requirement of rolling stock on Ku Nei or ramp, the foundation brake rigging of rail vehicles is typically provided with the parking brake device, the parking brake device generally includes spring energy agency, required braking force when providing rolling stock to park by spring.For guaranteeing that rolling stock can (for example the rolling stock Air compressor not be worked under no total wind condition; total reservoir does not have blast) dragged; foundation brake rigging also is provided with hand relieving device usually, and its function is thoroughly to alleviate the spring parking brake power that the parking brake device produces.
Please refer to Fig. 1, Fig. 1 is the installation site figure of the hand relieving device of rail vehicles foundation brake rigging in the prior art.
As shown in Figure 1, in the prior art, hand relieving device 100 ' be usually located at below the bogie truck, when needs are removed parking brake power, need operating personal to carry instrument and get into bogie truck below pulling hand relieving device 100 ' alleviate, it is very inconvenient to operate, and particularly the rail vehicles that is flowed for the 3rd rail has brought great potential safety hazard to operating personal.
In view of this, demand urgently existing hand relieving device being optimized design, improve its processing safety and convenience, avoid bringing potential safety hazard to operating personal at above-mentioned technical matters.
Summary of the invention
Purpose 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 installed on the framework of rail vehicles, has easy to operate, safe characteristics.
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, ratchet cover plate engagement during described ratchet pin assembly is formed by its longitudinal movement and spring energy-storage cylinder or break away from is when its alleviation parking brake power during with ratchet cover plate disengaging; The vertical setting in described traction element lower end also is connected with described ratchet pin assembly by converting member, described converting member is converted to the longitudinal movement of described ratchet pin assembly with the catenary motion of described traction element, and described traction element upper end is connected with the framework of described rail vehicles.
Preferably, described converting member comprise with described spring energy-storage cylinder form the bonded assembly cushion block, with described traction element lower end bonded assembly voussoir and straight pin, described cushion block is provided with longitudinal hole, described ratchet pin assembly is slidedly arranged in the described through hole, the vertical friction backing plate of described voussoir sidewall and described cushion block is fitted, the thickness of described voussoir is flaring or convergent from top to bottom, and described straight pin laterally is plugged in the described ratchet pin assembly, and the inclined-plane butt of the perisporium of described straight pin and described voussoir.
Preferably, described ratchet pin assembly comprises mount pad and ratchet pin, is installed on the described mount pad that is in the described through hole, and described straight pin is plugged in the hole of described mount pad end, described mount pad is provided with vertical ladder blind hole, and described ratchet pin is connected in described vertical ladder blind hole.
Preferably, described ratchet pin is set with first snap ring, second snap ring outward, the described first snap ring inboard is provided with first pad, described second snap ring outside is provided with second pad, the part of described ratchet pin between first pad and second pad is set with the retainer spring that is compressive state, the perisporium of described vertical ladder blind hole is provided with annular groove, between described annular groove and the described ratchet pin back-up ring is housed, described second pad is located at the inboard of described back-up ring.
Preferably, comprise also and described cushion block bonded assembly mounting box that described mounting box and described cushion block form the cavity of ccontaining described voussoir; Described traction element comprises steel rope, is located at the exterior sleeve pipe in described steel rope lower end, and 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, also be included in and realize traction element and the automatically reset reset components of ratchet pin assembly behind the hand relieving, described reset components be located between described traction element and the described converting member and/or described converting member and described ratchet pin assembly between.
Preferably, described reset components comprises first retracing spring that is set between described steel rope and the described sleeve pipe, the two ends of described first retracing spring respectively with described sleeve pipe, described voussoir butt.
Preferably, described through hole has step, and the cross-sectional plane of first through hole of described step one side is greater than the cross-sectional area of second through hole of step opposite side, and described mount pad is installed in first through hole, and its end is slidedly arranged in second through hole; Described mount pad and the described second through hole sliding block joint, described reset components also comprises second retracing spring that is sheathed between described mount pad and described first through hole, the described second retracing spring two ends are respectively at described step, described mount pad outer end butt.
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 also is connected with the ratchet pin assembly by converting member, converting member is converted to the longitudinal movement of ratchet pin assembly with the catenary motion of traction element, and the traction element upper end is connected with the framework of rail vehicles.
Adopt this structure, upper end when operating personal pulling traction element, catenary motion takes place in the lower end of traction element thereupon, converting member is converted to this catenary motion the longitudinal movement of ratchet pin assembly, thereby realize that the ratchet cover plate in ratchet pin and the spring energy-storage cylinder composition breaks away from, and promptly realizes the alleviation of parking brake power.This shows, adopt this structure, operating personal only need spur the upper end of being located at the traction element on the framework, just can alleviate braking, with at the bottom of operating personal in the prior art gets into car just the stretchy traction element realize that the hand relieving device of alleviating braking compares, this device has been realized the Long-distance Control to the ratchet pin assembly, improves simple operation and safety greatly.
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 aforesaid hand relieving device.
Because above-mentioned hand relieving device has as above technique effect, therefore, comprises that the rolling stock foundation brake rigging of this hand relieving device also should have identical technique effect, does not repeat them here.
Description of drawings
Fig. 1 is the installation site figure of the hand relieving device of rail vehicles in the prior art;
Fig. 2 is a structural representation of giving a kind of specific embodiment of hand relieving device provided by the present invention;
Fig. 3 is the ratchet pin assembly among Fig. 2 and the structural representation of converting member junction;
Fig. 4 is the assembling scheme drawing of hand relieving device shown in Figure 2 on foundation brake rigging;
Fig. 5 is that hand relieving device shown in Figure 2 is installed on the structural representation on the rail vehicles framework.
Wherein, Reference numeral among Fig. 1 and the corresponding relation between the component names are:
Hand relieving device 100 ';
Reference numeral and the corresponding relation between the component names among Fig. 2 to Fig. 5 are:
Converting member 2; Cushion block 21; Through hole 211; Step 2111; Voussoir 22; Inclined-plane 221; Straight pin 23; Mounting box 24;
The spring energy-storage cylinder forms 100; Framework 200.
The specific embodiment
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 has been realized the Long-distance Control of relieving apparatus by converting member is set, make operating personal can stand in framework one side and alleviate braking, improved the operability and the safety of relieving apparatus.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Need to prove, the noun of locality of Chu Xianing " vertically ", " laterally " and " vertical " refer to respectively when rail vehicles is arranged on the track herein, track vertical, horizontal and vertical, specifically in Fig. 2, the direction that " vertically " extends about referring to, " laterally " refers to the direction perpendicular to paper, and " vertical " refers to the direction of extending up and down; In addition; the noun of locality herein " interior ", " outward " refer among 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 the Figure of description, their appearance should not influence protection scope of the present invention.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural representation of a kind of specific embodiment of hand relieving device provided by the present invention, and Fig. 3 is the ratchet pin assembly among Fig. 2 and the structural representation of converting member junction; Fig. 4 is the assembling scheme drawing of hand relieving device shown in Figure 2 on foundation brake rigging.
In a kind of specific embodiment, 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 formed corresponding settings of the ratchet cover plate in 100 with the spring energy-storage cylinder usually, and its vertical crank motion by self can be realized and ratchet cover plate engagement or disengaging, can realize the alleviation of parking brake when ratchet pin 32 and ratchet cover plate disengaging.The vertical setting in the lower end of traction element 1, and be connected with ratchet pin assembly 3 by converting member 2, the upper end of traction element 1 is connected with the framework of rolling stock 200.Converting member 2 is converted to the catenary motion of traction element 1 lower end the longitudinal movement of ratchet pin assembly 3.
Adopt this structure, when the upper end of operating personal pulling traction element 1, catenary motion takes place in the lower end of traction element 1 thereupon, and converting member 2 is converted to this catenary motion the longitudinal movement of ratchet pin assembly 3, thereby realize that the ratchet pin 32 and the ratchet cover plate break away from, and promptly realize the alleviation of parking brake.This shows, adopt this structure, operating personal only need spur the upper end of the traction element of being located on the framework 200 1, just can alleviate braking, with at the bottom of operating personal in the prior art gets into car just stretchy alleviate draw ring and realize that the hand relieving device of alleviating braking compares, this device has been realized the Long-distance Control to ratchet pin assembly 3, improves simple operation and safety greatly.
The concrete structure of above-mentioned converting member 2 can also further be set.
In the another kind of specific embodiment, as shown in Figure 2, above-mentioned converting member 2 can comprise cushion block 21, voussoir 22 and straight pin 23, cushion block 21 is formed 100 with the spring energy-storage cylinder and is connected, cushion block 21 is provided with longitudinal hole 211, ratchet pin assembly 3 is slidedly arranged in the through hole 211, voussoir 22 is connected with traction element 1, the vertical friction backing plate of voussoir 22 1 sides and cushion block 21 is fitted, the thickness of voussoir 22 is convergent or flaring from top to bottom, and straight pin 23 laterally is plugged in the ratchet pin assembly 3 and inclined-plane 221 butts of the perisporium of described straight pin 23 and described voussoir 22.Need to prove 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 need operating personal just can realize that to different direction pulling traction elements 1 alleviation brakes.Be example with the thickness of voussoir 22 along the structure of from top to bottom direction flaring below, specify the switching process of this hand relieving device:
Adopt this structure, as shown in Figure 2, when operating personal pulling traction element 1 upward movement, the lower end of traction element 1 drives voussoir 22 upward movements, makes the thickness of the interior voussoir 22 of same horizontal surface increase, be that distance between the vertical sidewall of straight pin 23 and cushion block 21 increases, force straight pin 23 to move along the inclined-plane 221 of voussoir 22, promptly straight pin 23 integral body are to left movement, and then drive ratchet pin assembly 3 to left movement, realize that the ratchet pin 32 and the ratchet cover plate break away from, and promptly realize the alleviation of parking brake.
This shows that the converting member 2 of said structure has been realized the conversion of catenary motion to longitudinal movement simply, easily, and then realized the Long-distance Control of hand relieving device.Can expect that above-mentioned converting member 2 is not limited in this device, can also realize the conversion of catenary motion by screw mechanism to longitudinal movement.
The concrete structure of above-mentioned ratchet pin assembly 3 can also further be set.
In the another kind of specific embodiment, as shown in Figure 2, above-mentioned ratchet pin assembly 3 can comprise mount pad 31 and ratchet pin 32, be slidedly arranged in the through hole 211 for mount pad 31, during straight pin 23 is plugged in the hole of mount pad 31 ends, mount pad 31 is provided with vertical ladder blind hole 311, and ratchet pin 32 is connected in the ladder blind hole 311.
In the concrete scheme, ratchet pin 32 outer first snap ring 325, second snap rings 326 of being set with, and be provided with first pad 323 in first snap ring, 325 inboards, be provided with second pad 324 in second snap ring, 326 outsides, the part of ratchet pin 32 between first pad 323 and second pad 324 is set with the retainer spring 322 that is compressive state, vertically the perisporium of ladder blind hole 311 is provided with annular groove, back-up ring 321, the second pads 324 are housed between annular groove and the ratchet pin 32 are located at the inboard of back-up ring 321.
Adopt this structure, when upwards spurring traction element 1, when drive mount pad 31 slides 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 to first pad, 323 outsides and second pad, 324 inboards respectively, make the ladder 3111 of the interior side compression ladder blind hole of first pad 323, make outer side compression back-up ring 321 inboards of second pad 324, guarantee that first pad 323 and second pad 324 are synchronized with the movement with mount pad 31 integral body, first pad 323 is to left movement, and then drive snap ring 325 motions, drive ratchet pin 32 movement therewith by snap ring 325 again, thereby realized being synchronized with the movement of ratchet pin 32 and mount pad 31.This simple in structure, realized being connected of ratchet pin 32 and mount pad 31 and having the characteristics of installation, convenient disassembly easily.Certainly, above-mentioned ratchet pin assembly 3 only for adopting this structure, can also not adopt the structure that mount pad 31 is captiveed joint with ratchet pin 32.
More specifically, at least one the 3rd snap ring 327 can also be set between first snap ring 325 and second snap ring 326, can further strengthen positioning action like this, prevent that ratchet pin 32 when first snap ring 325 or second snap ring 326 lost efficacy from deviating from from vertical ladder blind hole 311 of 31 of mount pad ratchet pin 32.
The concrete structure of above-mentioned traction element 1 can also further be set.
In the another kind of specific embodiment, as shown in Figure 2, above-mentioned hand relieving device can also comprise and cushion block 21 bonded assembly mounting boxs 24 that mounting box 24 and cushion block 21 form the cavity of ccontaining voussoir 22; Traction element 1 mainly comprises steel rope 11, is located at the exterior sleeve pipe 13 in steel rope 11 lower ends, and sleeve pipe 13 is threaded with mounting box 24, and steel rope 11 lower ends are passed sleeve pipe 13 and are connected with voussoir 22 in mounting box 24.
Adopt the traction element 1 of steel rope 11 as hand relieving device; have strength and stiffness preferably; be located at 12 pairs of steel ropes 11 of steel rope 11 exterior steel wire loops and play the certain protection effect; and be convenient to mounting plate 14; being located at the exterior sleeve pipe 13 in steel rope 11 lower ends is connected with mounting box 24; the upper end of pulling steel rope 11 makes its upward movement, and its lower end can drive voussoir 22 motions, and then realizes the hand relieving braking.Certainly, above-mentioned traction element 1 can also adopt other structures.
Further, above-mentioned hand relieving device can also be included in and realize traction element 1 and ratchet pin assembly 3 automatically reset reset components behind the hand relieving, and reset components is located between traction element 1 and the converting member 2 and/or between converting member 2 and the ratchet pin assembly 3.
Particularly, reset components can comprise first retracing spring, 15, the first retracing springs 15 that are set between steel rope 11 and the sleeve pipe 13 two ends respectively with sleeve pipe 13, voussoir 22 butts.Particularly, can be set to ladder hole by sleeve pipe 13 through holes, the top of first retracing spring 15 is connected to the ladder place of cover pipe through-hole.
Adopt this structure, when operating personal upwards spurs steel rope 11, sleeve pipe 13 invariant positions, voussoir 22 move up, therefore first retracing spring 15 is compressed, after the hand alleviation is finished, the pulling force of operating personal disappears, self elastic force of first retracing spring 15 can apply downward pressure to voussoir 22 moves downward it, plays the effect that resets, and alleviates operation thereby be convenient to next hand.
In addition, the through hole 211 of above-mentioned cushion block 21 can have step 2111, the cross-sectional area of first through hole of step 2,111 one sides is greater than the cross-sectional area of second through hole of second step 2111 opposite sides, described mount pad 31 is installed in first through hole, and second through hole is stretched out in its end, and be connected with voussoir 22 with described straight pin 23, described mount pad 31 and the described second through hole sliding block joint, described reset components also comprises second retracing spring 33 that is sheathed between described mount pad 31 and described first through hole, and described second retracing spring 33 two ends are respectively at described step 2111, described mount pad 31 outer end butts.
Adopt this structure, when operating personal upwards spurs steel rope 11, step 2111 invariant positions, mount pad 31 outer ends move inward, therefore retracing spring 33 is compressed, after hand relieving is finished, the pulling force of operating personal disappears, self elastic force of retracing spring 33 can apply outside pressure to mount pad 31 outer ends moves right it, plays the effect that resets equally, thereby is convenient to next hand relieving operation.
Adopt the reset components of above-mentioned first retracing spring 15 and 33 combinations of second retracing spring, traction element 1 and converting member 2, converting member 2 and ratchet pin assembly 3 are resetted simultaneously, be convenient to next hand relieving operation.Can expect that above-mentioned reset components also can only adopt retracing spring 15 or only adopt retracing spring 33 as reset components, but reset effect is slightly poor not only for this structure.
In the another kind of specific embodiment, as shown in Figure 5, Fig. 5 is that hand relieving device shown in Figure 2 is installed on the structural representation on the rail vehicles framework, 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,, compare, can stand in framework 200 next doors pulling traction element 1 by more convenient operating personal with the structure that the upper end of traction element 1 vertically is provided with the upper end horizontally set of traction element 1.Further, above-mentioned traction element 1 also comprises handle 16, thereby is convenient to operating personal pulling traction element, realizes 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 aforesaid structure.
Because above-mentioned hand relieving device has as above technique effect, therefore, comprises that the foundation brake rigging of this hand relieving device also should have identical technique effect, does not repeat them here.
More than the hand relieving device of a kind of rolling stock foundation brake rigging provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. the hand relieving device of a rail vehicles foundation brake rigging, comprise traction element (1) and ratchet pin assembly (3), described ratchet pin assembly (3) is formed the ratchet cover plate engagement in (100) by its longitudinal movement and spring energy-storage cylinder or is broken away from, when its alleviation parking brake power during with ratchet cover plate disengaging; It is characterized in that, the vertical setting in described traction element (1) lower end, and be connected with described ratchet pin assembly (3) by converting member (2), described converting member (2) is converted to the longitudinal movement of described ratchet pin assembly (3) with the catenary motion of described traction element (1), and described traction element (1) upper end is connected with the framework (200) of described rail vehicles.
2. the hand relieving device of rail vehicles foundation brake rigging according to claim 1, it is characterized in that, described converting member (2) comprises with described spring energy-storage cylinder forms (100) bonded assembly cushion block (21), with described traction element (1) lower end bonded assembly voussoir (22) and straight pin (23), described cushion block (21) is provided with longitudinal hole (211), described ratchet pin assembly (3) is slidedly arranged in the described through hole (211), the vertical friction backing plate of described voussoir (22) sidewall and described cushion block (21) is fitted, the thickness of described voussoir (22) is flaring or convergent from top to bottom, described straight pin (23) laterally is plugged in the described ratchet pin assembly (3), and inclined-plane (221) butt of the perisporium of described straight pin (23) and described voussoir (22).
3. the hand relieving device of rail vehicles foundation brake rigging according to claim 2, it is characterized in that, described ratchet pin assembly (3) comprises mount pad (31) and ratchet pin (32), be installed in the 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 vertical ladder blind hole (311), and described ratchet pin (32) is connected in described vertical ladder blind hole (311).
4. the hand relieving device of rail vehicles foundation brake rigging according to claim 3, it is characterized in that, outer first snap ring (325) that is set with of described ratchet pin (32), second snap ring (326), described first snap ring (325) inboard is provided with first pad (323), described second snap ring (326) outside is provided with second pad (324), the part of described ratchet pin (32) between first pad (323) and second pad (324) is set with the retainer spring (322) that is compressive state, the perisporium of described vertical ladder blind hole (311) is provided with annular groove, between described annular groove and the described ratchet pin (32) back-up ring (321) is housed, described second pad (324) is located at the inboard of described back-up ring (321).
5. according to the hand relieving device of the described rail vehicles foundation brake rigging of claim 1-4 item, it is characterized in that, comprise also and described cushion block (21) bonded assembly mounting box (24) that described mounting box (24) and described cushion block (21) form the cavity of ccontaining described voussoir (22); Described traction element (1) comprises steel rope (11), be located at the exterior sleeve pipe in described steel rope (11) lower end (13), 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).
6. the hand relieving device of rail vehicles foundation brake rigging according to claim 5, it is characterized in that, realize traction element (1) and the automatically reset reset components of ratchet pin assembly (3) after also being included in hand relieving, described reset components is located between described traction element (1) and the described converting member (2) and/or between described converting member (2) and the described ratchet pin assembly (3).
7. the hand relieving device of rail vehicles foundation brake rigging according to claim 6, it is characterized in that, described reset components comprises first retracing spring (15) that is set between described steel rope (11) and the described sleeve pipe (13), the two ends of described first retracing spring (15) respectively with described sleeve pipe (13), described voussoir (22) butt.
8. the hand relieving device of rail vehicles foundation brake rigging according to claim 7, it is characterized in that, described through hole (211) has step (2111), the cross-sectional plane of first through hole of described step (2111) one sides is greater than the cross-sectional area of second through hole of step (2111) opposite side, described mount pad (31) is installed in first through hole, and its end is slidedly arranged in second through hole; Described mount pad (31) and the described second through hole sliding block joint, described reset components also comprises second retracing spring (33) that is sheathed between described mount pad (31) and described first through hole, and described second retracing spring (33) two ends are respectively at described step (2111), described mount pad (31) outer end butt.
9. according to the hand relieving device of the described rail vehicles foundation brake rigging of claim 1-8 item, 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.
10. the foundation brake rigging of a rail vehicles comprises walking and braking device, parking brake device and hand relieving device; It is characterized in that described hand relieving device adopts as the described hand relieving device of claim 1-9 item.
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 true CN103223954A (en) | 2013-07-31 |
| CN103223954B 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN109080660A (en) * | 2018-08-10 | 2018-12-25 | 中车株洲电力机车有限公司 | Passive hydraulic clamp and its hand relieving mechanism |
| CN112824206A (en) * | 2019-11-21 | 2021-05-21 | 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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| 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 |
| CN109080660A (en) * | 2018-08-10 | 2018-12-25 | 中车株洲电力机车有限公司 | Passive hydraulic clamp and its hand relieving mechanism |
| 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 |
| CN112824206A (en) * | 2019-11-21 | 2021-05-21 | 中车唐山机车车辆有限公司 | Rail vehicle parking brake relieving device and rail vehicle |
| 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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| CN103223954B (en) | 2015-10-21 |
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