CN107600103A - Air brake hand relieving device - Google Patents
Air brake hand relieving device Download PDFInfo
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- CN107600103A CN107600103A CN201710816491.0A CN201710816491A CN107600103A CN 107600103 A CN107600103 A CN 107600103A CN 201710816491 A CN201710816491 A CN 201710816491A CN 107600103 A CN107600103 A CN 107600103A
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- rotating bar
- groove
- operation handle
- main body
- attachment means
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Abstract
The embodiment of the present invention provides a kind of air brake hand relieving device, including：Cutout cock, the first operation handle, flexible axle and two attachment means；There is the first rotating bar, the valve element connection of its first end and cutout cock on cutout cock；There is the first groove in first rotating bar；Attachment means include：Steel ball, gripping sleeve, spring and connection main body；The first end of connection main body has accommodating chamber, and the second end is connected with flexible axle；The first end periphery of connection main body is provided with stop part；The outer wall of accommodating chamber has first through hole；Gripping sleeve is set in connection body exterior, and one end inwall of the gripping sleeve away from flexible axle has the second groove；One end of spring is connected on the outer wall of connection main body, and the other end of spring is connected on the inwall of gripping sleeve；The first end of the connection body of one attachment means is connected with the second end of the first rotating bar；Another attachment means is arranged in car body.The embodiment of the present invention can be realized onboard and carry out braking the cut-out and recovery operation of air feed under car.
Description
Technical field
The present embodiments relate to city rail vehicle machine control techniques field, more particularly to a kind of air brake hand relieving
Device.
Background technology
City rail vehicle needs to set air brake hand relieving valve in air-supply pipeline of the brake to checking cylinder.In train
Break down or overhaul when needing, hand relieving valve can cut off the brake of certain section vehicle to the air feed of the checking cylinder of the vehicle
And existing compressed air in checking cylinder is emptied, alleviate corresponding vehicle.
The hand relieving valve of general train is designed under car, needs hand relieving as train breaks down in the process of running
When, driver, which needs to get off to operation on ground, driver, to be sometimes difficult to carry out hand relieving operation close to hand relieving valve, is not ten
Divide facility.Meanwhile driver has potential safety hazard to closer to the distance with opposite train during Ground Operation, particularly the 3rd rail supplies
The train of electricity, driver to very near with the distance with the rail of high-tension electricity the 3rd during Ground Operation, very danger.
Therefore, to those skilled in the art, being badly in need of a kind of air damping can onboard or onboard and car
Hand relieving and the device recovered can be carried out down.
The content of the invention
The embodiment of the present invention provides a kind of air brake hand relieving device, and braking confession onboard and under car is carried out to realize
The cut-out and recovery operation of wind.
The embodiment of the present invention provides a kind of air brake hand relieving device, including：
Cutout cock, the first operation handle, flexible axle and two attachment means；
Wherein, there is the first rotating bar, the first end of first rotating bar blocks plug with described on the cutout cock
The valve element connection of door；There is the first groove in first rotating bar；
First operation handle is arranged in first rotating bar；
The attachment means, including：Steel ball, gripping sleeve, spring and connection main body；
Wherein, the first end of the connection main body has accommodating chamber, and the second end of the connection main body connects with the flexible axle
Connect；The first end periphery of the connection main body is spacing for being carried out to the gripping sleeve circumferentially arranged with stop part；The receiving
The outer wall of chamber has first through hole；
The gripping sleeve is set in the connection body exterior, and one end inwall of the gripping sleeve away from the flexible axle has
Second groove, for corresponding with the first through hole, accommodate the steel ball；
One end of the spring is connected on the outer wall of the connection main body, and the other end of the spring is connected to the folder
On the inwall of tight set；
The first end of the connection body of one attachment means is connected with the second end of first rotating bar；Another
The attachment means are arranged in car body, and it connects the first end of body and is connected with the second rotating bar.
Optionally, as a kind of enforceable mode, the periphery of the connection body is circumferentially arranged with the 3rd groove；It is described
Stop part is arranged in the 3rd groove.
Optionally, as a kind of enforceable mode, the second operation handle is installed in second rotating bar.
Optionally, as a kind of enforceable mode, corner lock is installed in second rotating bar.
Optionally, as a kind of enforceable mode, there is the second through hole in first operation handle, for will described in
First operation handle is set in first rotating bar；
First rotating bar is provided with the first Sealing shield ring circumferentially arranged with the 4th groove in the 4th groove, and described the
One rotating bar is circumferentially arranged with first boss, for first operation handle to be fixed on into first Sealing shield ring and described
Between one boss.
Optionally, as a kind of enforceable mode, there is third through-hole in second operation handle, for will described in
Second operation handle is set in second rotating bar；
Second rotating bar is provided with the second Sealing shield ring circumferentially arranged with the 5th groove in the 5th groove, and described the
Two rotating bars are circumferentially arranged with second boss, for second operation handle to be fixed on into second Sealing shield ring and described
Between two boss.
Optionally, as a kind of enforceable mode, first groove, second groove and the first through hole
Quantity is identical.
Optionally, as a kind of enforceable mode, the quantity of the first through hole is at least two, and is evenly distributed on
On the outer wall of the accommodating chamber.
Optionally, it is provided with protecting component as a kind of enforceable mode, the flexible axle periphery.
Optionally, as a kind of enforceable mode, the protecting component is anti-corrosion knitting member or universal plastics joint.
Air brake hand relieving device provided in an embodiment of the present invention, including：It is cutout cock, the first operation handle, soft
Axle and two attachment means；Wherein, there is the first rotating bar, the first end of first rotating bar and institute on the cutout cock
State the valve element connection of cutout cock；There is the first groove in first rotating bar；First operation handle is arranged on described
In first rotating bar；The attachment means, including：Steel ball, gripping sleeve, spring and connection main body；Wherein, the connection main body
First end has accommodating chamber, and the second end of the connection main body is connected with the flexible axle；The first end periphery of the connection main body
It is spacing for being carried out to the gripping sleeve circumferentially arranged with stop part；The outer wall of the accommodating chamber has first through hole；The folder
Tight set is set in the connection body exterior, and one end inwall of the gripping sleeve away from the flexible axle has the second groove, be used for
It is corresponding with the first through hole, accommodate the steel ball；One end of the spring is connected on the outer wall of the connection main body, described
The other end of spring is connected on the inwall of the gripping sleeve；The first end of the connection body of one attachment means with it is described
The second end connection of first rotating bar；Another described attachment means is arranged in car body, and it connects the first end of body and the
Two rotating bars connect, due to the effect of gripping sleeve and steel ball so that connection body and rotating bar realize that fast mortise lock connects surely, can
Fast Installation and replacing are realized, it is easy to maintenance, and also torque is transmitted reliably, and one of attachment means are arranged in car body, real
Having showed can carry out braking the cut-out and recovery operation of air feed on car and under car.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 2 is the cut-away section structure chart one of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 3 is the cut-away section structure chart two of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 4 is the first rotating bar structure chart of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 5 is the profile of structure shown in Fig. 4；
Fig. 6 is the connection bulk junction composition of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 7 is the flexible axle safeguard structure figure of the embodiment of air brake hand relieving device one provided by the invention；
Fig. 8 is the flexible axle safeguard structure figure of another embodiment of air brake hand relieving device provided by the invention.
Description of reference numerals：
1st, cutout cock；
11st, the first rotating bar；
111st, the first groove；
112nd, the 4th groove；
113rd, first boss；
12nd, the first Sealing shield ring；
2nd, the first operation handle；
3rd, attachment means；
31st, stop part；
32nd, steel ball；
33rd, gripping sleeve；
34th, spring；
35th, main body is connected；
351st, accommodating chamber；
352nd, first through hole；
353rd, the 3rd groove；
4th, flexible axle；
41st, flexible axle mandrel；
42nd, anti-corrosion knitting member；
43rd, universal plastics joint；
5th, attachment means.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " axle
To ", the orientation of the instruction such as " periphery " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", " second ",
At least one this feature can be expressed or be implicitly included to " the 3rd ", the feature of " the 4th ".
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；It can be direct phase
Even, it can also be indirectly connected by intermediary, can be that the connection of two element internals or the interaction of two elements are closed
System, limited unless otherwise clear and definite.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Fig. 1 is the structure chart of the embodiment of air brake hand relieving device one provided by the invention.Fig. 2 provides for the present invention
The embodiment of air brake hand relieving device one cut-away section structure chart one.Fig. 3 is air damping hand provided by the invention
The dynamic cut-away section structure chart two for alleviating the embodiment of device one.As shown in Figure 1 and Figure 2, the air brake hand relieving of the present embodiment
Device can include：
Cutout cock 1, the first operation handle 2, flexible axle 4 and two attachment means；
Wherein, there is the first rotating bar 11 on the cutout cock 1, the first end of first rotating bar 11 with described section
The valve element connection of disconnected cock 1；There is the first groove in first rotating bar 11；
First operation handle 2 is arranged in first rotating bar 11；
The attachment means, including：Steel ball, gripping sleeve, spring and connection main body；
Wherein, the first end of the connection main body has accommodating chamber, and the second end of the connection main body connects with the flexible axle 4
Connect；The first end periphery of the connection main body is spacing for being carried out to the gripping sleeve circumferentially arranged with stop part；The receiving
The outer wall of chamber has first through hole；
The gripping sleeve is set in the connection body exterior, and one end inwall of the gripping sleeve away from the flexible axle has
Second groove, for corresponding with the first through hole, accommodate the steel ball；
One end of the spring is connected on the outer wall of the connection main body, and the other end of the spring is connected to the folder
On the inwall of tight set；
The first end of the connection body of one attachment means is connected with the second end of first rotating bar 11；It is another
The individual attachment means are arranged in car body, and the first end of the connection body of the attachment means is connected with the second rotating bar.
Specifically, air brake hand relieving device includes：Cutout cock 1, the first operation handle 2, flexible axle 4 and two companies
Connection device, specially attachment means 3 and attachment means 5；
First operation handle 2 is arranged on cutout cock 1, by pulling the first operation handle 2 under car, drives first to rotate
The Spool rotating of bar and cutout cock 1, realization are blocked and conducting function.Attachment means 3 with the cutout cock 1, with the
One operation handle 2 rotates together, and flexible axle 4 realizes torque transmission, and attachment means 5 are arranged on car body, for realizing the behaviour on car
Make.
Fig. 4 is the first rotating bar structure chart of the embodiment of air brake hand relieving device one provided by the invention.Fig. 5 is
The profile of structure shown in Fig. 4.Fig. 6 is the connection bulk junction of the embodiment of air brake hand relieving device one provided by the invention
Composition.
As shown in Fig. 2-Fig. 6, the top of cutout cock 1 has the first rotating bar 11 being connected with core, the first rotating bar 11
Bottom is connected with the core of cutout cock, and the rotation of cutout cock inner spherical core can be realized by rotating the first rotating bar 11, after
And realize the operation blocked with conducting.First operation handle 2 is arranged in the first rotating bar 11.First operation handle 2 drives the
One rotating bar 11 rotates.Attachment means 3 include：Steel ball 32, gripping sleeve 33, spring 34, connection main body 35.In first rotating bar 11
Provided with the first groove, steel ball can be accommodated, the lock function with attachment means 3 is realized by steel ball 32.As shown in fig. 6, connection
Accommodating chamber 351 is arranged at the bottom of main body 35, can accommodate the upper end of the first rotating bar 11, and connection main body 35 can drive first when rotating
Rotating bar 11 rotates.Gripping sleeve 33 clamps steel ball 32 in the presence of spring 34, ensures that the rotating bar 11 of attachment means 3 and first can
Connected by ground, stop part 31 limits gripping sleeve 33 and moved down, and prevents gripping sleeve 33 from coming off.
Optionally, as shown in fig. 6, stop part 31 can be arranged on circumferentially arranged the 3rd recessed in periphery of connection body 35
In groove 353.
Wherein, in actual applications, the outer wall of main body 35 is connected circumferentially arranged with a circle boss, the inwall edge of gripping sleeve 33
A circle boss is circumferentially with, the both ends of spring 34 are connected between the boss of connection main body 35 and the boss of gripping sleeve 33.
The locking process of attachment means 3 and the first rotating bar 11 is as follows：
As shown in Fig. 2-Fig. 6, gripping sleeve 33 is lifted up, and compresses spring 34, and now steel ball 32 can be moved to connection
In the first through hole 352 of main body 35 and the second groove of gripping sleeve 33, connection main body 35 is set to be inserted into the first rotating bar 11
On, as shown in Figure 3.Then gripping sleeve 33 is unclamped, gripping sleeve 33 extrudes steel ball 32 in the presence of spring 34, and steel ball 32 snaps into the
For the first groove 111 in one rotating bar 11 with the first through hole 352 of connection main body 35, gripping sleeve 33 moves down clamping steel ball
32, so as to realize the locking of the rotating bar 11 of attachment means 3 and first.
Wherein, in actual applications, one end that the first rotating bar 11 is connected with attachment means can be tetragonal structure, or
Circular configuration.
Attachment means 5 are arranged on car body, for being operated from car, by rotary connecting device 5, pass through flexible axle 4
Cutout cock 1 is driven to rotate, the connection of the rotating bar of attachment means 5 and second is similar to the above, and here is omitted.
Further, a set of flexible axle structure of installation, side can again be extended with installing and connecting apparatus 3 in attachment means 5
Just the connection of the upper mechanism of driving is entered.
Wherein, in actual applications, the quantity of first groove 111, second groove and the first through hole 352
It is identical.
Optionally, the quantity of first groove 111, second groove and the first through hole 352 is at least two,
And it is uniformly distributed.
The air brake hand relieving device that the present embodiment provides, including：Cutout cock, the first operation handle, flexible axle and
Two attachment means；Wherein, there is the first rotating bar on the cutout cock, the first end of first rotating bar with described section
The valve element connection of disconnected cock；There is the first groove in first rotating bar；First operation handle is arranged on described first
In rotating bar；The attachment means, including：Steel ball, gripping sleeve, spring and connection main body；Wherein, the first of the connection main body
End has accommodating chamber, and the second end of the connection main body is connected with the flexible axle；The first end periphery of the connection main body is along week
It is spacing for being carried out to the gripping sleeve to provided with stop part；The outer wall of the accommodating chamber has first through hole；The gripping sleeve
Be set in the connection body exterior, one end inwall of the gripping sleeve away from the flexible axle has the second groove, for institute
It is corresponding to state first through hole, accommodates the steel ball；One end of the spring is connected on the outer wall of the connection main body, the spring
The other end be connected on the inwall of the gripping sleeve；The first end and described first of the connection body of one attachment means
The second end connection of rotating bar；Another described attachment means is arranged in car body, and it connects the first end of body and second turn
Lever connects, due to the effect of gripping sleeve and steel ball so that connection body and rotating bar realize that fast mortise lock connects surely, can realize
Fast Installation and replacing, it is easy to maintenance, and also torque is transmitted reliably, and one of attachment means are arranged in car body, are realized
It can carry out braking the cut-out and recovery operation of air feed on car and under car.
On the basis of above-described embodiment, further, as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, first operation handle 2
It is upper that there is the second through hole, for first operation handle 2 to be set in into first rotating bar 11；
For first rotating bar 11 circumferentially arranged with the 4th groove 112, the 4th groove 112 is interior to be provided with the first Sealing shield ring
12, first rotating bar 11 is circumferentially arranged with first boss 113, for first operation handle 2 to be fixed on into described
Between one Sealing shield ring 12 and the first boss 113.
Specifically, through hole can be opened up in the first operation handle 2, so as in the first rotating bar 11, utilize first
First operation handle 2 is fixed in the first boss 113 of the first rotating bar by Sealing shield ring 12.
In above-mentioned embodiment, by setting through hole in the first operation handle, set in the first rotating bar recessed
Groove and boss, set Sealing shield ring in groove, so as to realize the fixation of operation handle.
Further, optionally, the second operation handle is installed in the second rotating bar.
Optionally, there is third through-hole, for second operation handle to be set in into institute in second operation handle
State in the second rotating bar；
Second rotating bar is provided with the second Sealing shield ring circumferentially arranged with the 5th groove in the 5th groove, and described the
Two rotating bars are circumferentially arranged with second boss, for second operation handle to be fixed on into second Sealing shield ring and described
Between two boss.
Optionally, the locking device such as vehicle arrangement is locked using corner, then the second rotating bar is away from the attachment means
One end can set corner to lock, convenient to be operated using vehicle corner key.
Specifically, directly can be operated using the corner key of automotive universal, the operation of installation second can also be passed through
Handle realize it is manually operated, without using instrument.
Second operation handle is similar with the mounting means of the first operation handle, and here is omitted.
In above-mentioned embodiment, the mode of operation on car body can also pass through automotive universal by operation handle
Corner key.
Fig. 7 is the flexible axle safeguard structure figure of the embodiment of air brake hand relieving device one provided by the invention.Fig. 8 is this
The flexible axle safeguard structure figure of another embodiment of air brake hand relieving device provided is provided.On the basis of above-described embodiment,
Further, in order to ensure reliability of structure and prevent flexible axle from getting rusty the problems such as, as shown in Figure 7, Figure 8, the present embodiment
Air brake hand relieving device, the periphery of flexible axle 4 are provided with protecting component.
Optionally, the protecting component is anti-corrosion knitting member or universal plastics joint.
Specifically, flexible axle 4 is flexible soft shaft, vehicle caused vibration in the process of running is considered, flexible axle may shake
It is dynamic, self structure and use reliability, while environment residing under car are influenceed, muddy water and dust are might have, in running
Middle flexible axle surface contamination debris, the Problem of Failure such as cause to get rusty.Need to being protected outside flexible axle.
As shown in fig. 7, a kind of optional protecting component is external layer preservation Organizational Parts, set in the outside of flexible axle mandrel 41 anti-
Rotten knitting member 42, for the rigidity of outer protective and increase flexible axle, prevent that flexible axle is too soft and causes vibration.
As shown in figure 8, another optional protecting component is universal plastics joint, set in the outside of flexible axle mandrel 41 universal
Plastics joint 43, universal plastics joint interconnect, and by the mutual rotation of universal plastics joint, can adjust difference
Profile, for outer protective and increase flexible axle rigidity, prevent that flexible axle is too soft and causes vibration.
In above-mentioned embodiment, by setting protecting component in flexible axle periphery, by increasing capacitance it is possible to increase the rigidity of flexible axle, and
It can prevent flexible axle from getting rusty, protective action is played to flexible axle.
The optional embodiment of the present invention is described in detail above in association with accompanying drawing, but the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between the various different embodiments of the present invention, as long as it is without prejudice to this hair
Bright thought, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. air brake hand relieving device, it is characterised in that including：Cutout cock, the first operation handle, flexible axle and two attachment means；Wherein, there is the first rotating bar, first end and the cutout cock of first rotating bar on the cutout cock Valve element connects；There is the first groove in first rotating bar；First operation handle is arranged in first rotating bar；The attachment means, including：Steel ball, gripping sleeve, spring and connection main body；Wherein, the first end of the connection main body has accommodating chamber, and the second end of the connection main body is connected with the flexible axle；Institute The first end periphery of connection main body is stated circumferentially arranged with stop part, it is spacing for being carried out to the gripping sleeve；The accommodating chamber Outer wall has first through hole；The gripping sleeve is set in the connection body exterior, and one end inwall of the gripping sleeve away from the flexible axle has second Groove, for corresponding with the first through hole, accommodate the steel ball；One end of the spring is connected on the outer wall of the connection main body, and the other end of the spring is connected to the gripping sleeve Inwall on；The first end of the connection body of one attachment means is connected with the second end of first rotating bar；Described in another Attachment means are arranged in car body, and it connects the first end of body and is connected with the second rotating bar.
- 2. device according to claim 1, it is characterised in thatThe periphery of the connection body is circumferentially arranged with the 3rd groove；The stop part is arranged in the 3rd groove.
- 3. device according to claim 1 or 2, it is characterised in that be provided with the second manipulator in second rotating bar Handle.
- 4. device according to claim 1 or 2, it is characterised in that corner lock is provided with second rotating bar.
- 5. device according to claim 1 or 2, it is characterised in thatThere is the second through hole, for first operation handle to be set in into first rotating bar in first operation handle On；First rotating bar is provided with the first Sealing shield ring circumferentially arranged with the 4th groove in the 4th groove, described first turn Lever is circumferentially arranged with first boss, for first operation handle to be fixed on into first Sealing shield ring and described first convex Between platform.
- 6. device according to claim 3, it is characterised in thatThere is third through-hole, for second operation handle to be set in into second rotating bar in second operation handle On；Second rotating bar is provided with the second Sealing shield ring circumferentially arranged with the 5th groove in the 5th groove, described second turn Lever is circumferentially arranged with second boss, for second operation handle to be fixed on into second Sealing shield ring and described second convex Between platform.
- 7. device according to claim 1 or 2, it is characterised in thatFirst groove, second groove are identical with the quantity of the first through hole.
- 8. device according to claim 7, it is characterised in thatThe quantity of the first through hole is at least two, and is evenly distributed on the outer wall of the accommodating chamber.
- 9. device according to claim 1 or 2, it is characterised in that the flexible axle periphery is provided with protecting component.
- 10. device according to claim 9, it is characterised in that the protecting component is anti-corrosion knitting member or universal modeling Expect joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710816491.0A CN107600103B (en) | 2017-09-12 | 2017-09-12 | Air brake hand relieving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710816491.0A CN107600103B (en) | 2017-09-12 | 2017-09-12 | Air brake hand relieving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107600103A true CN107600103A (en) | 2018-01-19 |
| CN107600103B CN107600103B (en) | 2019-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710816491.0A Active CN107600103B (en) | 2017-09-12 | 2017-09-12 | Air brake hand relieving device |
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| Country | Link |
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| CN (1) | CN107600103B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395277A (en) * | 2019-08-01 | 2019-11-01 | 广东韶钢松山股份有限公司 | Reduce the method and drone version tractor of tractor failure influence time |
| CN110667639A (en) * | 2019-11-12 | 2020-01-10 | 中车株洲电力机车有限公司 | Device for relieving parking brake action of railway vehicle |
| WO2021082069A1 (en) * | 2019-11-01 | 2021-05-06 | 中车唐山机车车辆有限公司 | Relief cock device for railway vehicle and air cylinder module |
| CN112758126A (en) * | 2019-11-01 | 2021-05-07 | 中车唐山机车车辆有限公司 | Door-plugging-relieving device and air reservoir module of railway vehicle |
| CN114394072A (en) * | 2022-01-06 | 2022-04-26 | 中车齐齐哈尔车辆有限公司 | Brake valve release operating device |
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| CN110395277A (en) * | 2019-08-01 | 2019-11-01 | 广东韶钢松山股份有限公司 | Reduce the method and drone version tractor of tractor failure influence time |
| WO2021082069A1 (en) * | 2019-11-01 | 2021-05-06 | 中车唐山机车车辆有限公司 | Relief cock device for railway vehicle and air cylinder module |
| CN112758126A (en) * | 2019-11-01 | 2021-05-07 | 中车唐山机车车辆有限公司 | Door-plugging-relieving device and air reservoir module of railway vehicle |
| CN110667639A (en) * | 2019-11-12 | 2020-01-10 | 中车株洲电力机车有限公司 | Device for relieving parking brake action of railway vehicle |
| CN114394072A (en) * | 2022-01-06 | 2022-04-26 | 中车齐齐哈尔车辆有限公司 | Brake valve release operating device |
| 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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