CN111216760A - Parking brake cylinder relieving device and rail train - Google Patents
Parking brake cylinder relieving device and rail train Download PDFInfo
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- CN111216760A CN111216760A CN201811427949.4A CN201811427949A CN111216760A CN 111216760 A CN111216760 A CN 111216760A CN 201811427949 A CN201811427949 A CN 201811427949A CN 111216760 A CN111216760 A CN 111216760A
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- connecting rod
- parking brake
- brake cylinder
- link
- mitigation device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The invention provides a parking brake cylinder relieving device and a rail train, wherein the parking brake cylinder relieving device comprises: the first connecting rod and the first traction rope; the first connecting rod is rotatably connected with the bogie, and the rotating axis of the first connecting rod is vertical to the central line of the first connecting rod; the driving end of the first connecting rod is connected with the first traction rope, the movable end of the first connecting rod is connected with the piston rod of the parking brake cylinder, and the distance between the driving end of the first connecting rod and the rotating axis of the first connecting rod is greater than the distance between the movable end of the first connecting rod and the rotating axis of the first connecting rod; the power arm of first connecting rod is greater than the resistance arm of first connecting rod, compares with the piston rod that the staff directly drawn the parking brake jar among the prior art, and the less pulling force of drawing first haulage rope can drive the piston rod that has great resistance and stretch out in by the cylinder body, and is laborsaving in operation.
Description
Technical Field
The invention relates to the technical field of rail train manufacturing, in particular to a parking brake cylinder relieving device and a rail train.
Background
In order to avoid the train moving on the rail when the rail train is parked and parked, a parking brake device is often required to be arranged on a bogie of the rail train to prevent a wheel pair on the bogie from rotating, so as to park the rail train.
In the prior art, a parking brake device comprises a parking brake cylinder and a parking block connected with a piston rod of the parking brake cylinder, and when a train is parked and parked, the piston rod of the parking brake cylinder is controlled to contract towards the inside of the parking brake cylinder, so that the parking block is driven to be in contact with a wheel pair, and the wheel pair is prevented from rotating; when the train needs to be moved, a worker pulls the piston rod to enable the piston rod to extend out of the parking brake cylinder, and then the parking block is separated from the wheel pair.
However, the parking brake cylinder piston rod has a large resistance to movement in the parking brake cylinder body, and the piston rod is difficult to pull by a worker, which is laborious to operate.
Disclosure of Invention
In view of this, the embodiment of the invention provides a parking brake cylinder relieving device and a rail train, so as to solve the technical problems that a piston rod of a parking brake cylinder has large moving resistance in a cylinder body of the parking brake cylinder, a worker is difficult to pull the piston rod, and the operation is laborious.
The embodiment of the invention provides a parking brake cylinder relieving device, which comprises: the first connecting rod and the first traction rope; the first connecting rod is rotatably connected with a bogie, and the rotating axis of the first connecting rod is vertical to the central line of the first connecting rod; the driving end of the first connecting rod is connected with the first traction rope, the movable end of the first connecting rod is connected with a piston rod of the parking brake cylinder, and the distance between the driving end of the first connecting rod and the rotating axis of the first connecting rod is larger than the distance between the movable end of the first connecting rod and the rotating axis of the first connecting rod.
The parking brake cylinder mitigation device as described above, preferably, the parking brake cylinder mitigation device further comprises a first connecting plate and a first rotating shaft, wherein the first connecting plate is connected with the bogie through the first rotating shaft; the first connecting plate is provided with a first connecting hole, the first connecting rod is provided with a first adjusting hole, and a first connecting bolt penetrates through the first connecting hole and the first adjusting hole.
In the parking brake cylinder mitigation device according to the above, preferably, the first adjusting hole is a plurality of first adjusting holes, and the plurality of first adjusting holes are arranged along the driving end of the first connecting rod to the movable end of the first connecting rod at intervals.
The parking brake cylinder mitigation device as described above, preferably, further comprising: the second connecting rod, the second traction rope and the third connecting rod; the second connecting rod is parallel to the first connecting rod and is arranged at intervals, the second connecting rod is rotatably connected with the bogie, and the rotating axis of the second connecting rod is vertical to the central line of the second connecting rod; the driving end of the second connecting rod is hinged with one end of a third connecting rod, the other end of the third connecting rod is hinged with the movable end of the first connecting rod, and the movable end of the second connecting rod is connected with the piston rod of the parking brake cylinder through a second traction rope; the distance between the driving end of the second connecting rod and the rotating axis of the second connecting rod is greater than the distance between the movable end of the second connecting rod and the rotating axis of the second connecting rod.
The parking brake cylinder mitigation device as described above, preferably, the parking brake cylinder mitigation device further comprises a second connecting plate and a second rotating shaft, wherein the second connecting plate is connected with the bogie through the second rotating shaft; the second connecting plate is provided with a second connecting hole, the second connecting rod is provided with a second adjusting hole, and a second connecting bolt penetrates through the second connecting hole and the second adjusting hole.
In the parking brake cylinder mitigation device according to the above, preferably, the second adjusting hole is a plurality of second adjusting holes, and the plurality of second adjusting holes are arranged along the driving end of the second connecting rod to the movable end of the second connecting rod at intervals.
The parking brake cylinder mitigation device as described above, preferably, the parking brake cylinder mitigation device further includes a box body connected to the bogie, and the first link, the second link, and the third link are all disposed in the box body.
The parking brake cylinder relieving device preferably further comprises a travel switch, an alarm and a power supply device, wherein the alarm is arranged on the outer wall of the box body, the travel switch is arranged on the inner wall of the box body, and the power supply device is connected with the alarm through the travel switch; when the first traction rope is pulled to enable a piston rod of the parking brake cylinder to extend, the second connecting rod touches the travel switch, and the alarm gives an alarm.
The parking brake cylinder mitigation device as described above, preferably, the alarm comprises an indicator light and/or a buzzer.
The embodiment of the invention also provides a rail train, which comprises the parking brake cylinder relieving device.
According to the parking brake cylinder relieving device and the rail train provided by the embodiment of the invention, the first connecting rod is arranged on the bogie, the first connecting rod is rotatably connected with the bogie, the driving end of the first connecting rod is connected with the first traction rope, the movable end of the first connecting rod is connected with the piston rod of the parking brake cylinder, in addition, the distance between the driving end of the first connecting rod and the rotating axis of the first connecting rod is larger than that between the movable end of the first connecting rod and the rotating axis of the first connecting rod, namely, the power arm of the first connecting rod is larger than the resistance arm of the first connecting rod; compare with the piston rod that the staff directly drawn the parking brake cylinder among the prior art, the less pulling force of drawing first haulage rope can drive the piston rod that has great resistance and stretch out in by the cylinder body, and labour saving and operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a brake cylinder release device according to an embodiment of the present invention;
FIG. 2 is a perspective view of the parking brake cylinder mitigation device of FIG. 1;
FIG. 3 is a second schematic structural diagram of a brake cylinder release device according to an embodiment of the present invention.
Description of reference numerals:
10. a first link;
20. a first pull cord;
30. a first connecting plate;
40. a second link;
50. a third link;
60. a second pull cord;
70. a second connecting plate;
80. a box body;
101. a first adjustment aperture;
301. a first connection hole;
302. a first rotating shaft;
401. a second adjustment aperture;
701. a second connection hole;
702. a second rotating shaft;
801. an alarm device;
802. a first shaft seat;
803. and a second bearing seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the rail train is not used, the rail train needs to be parked on the rail, and in order to avoid the rail train moving on the rail due to unevenness of the rail or other factors, a parking brake device is often arranged on a bogie of the rail train. Parking brake equipment is including parking brake jar and the parking piece of being connected with parking brake jar's piston rod, when rail train parks, the piston rod of control parking brake jar is to the inside shrink of parking brake jar, and then drives the parking piece and remove, the wheel pair contact on parking piece and the bogie of messenger to prevent the wheel pair rotation, and then avoid parking the rail train on the track and remove. When the rail train is marshalled, the rail train needs to be moved, and at the moment, a worker pulls the piston rod of the parking brake cylinder, so that the piston rod extends out of the cylinder body of the parking brake cylinder, and the parking block is driven to move, so that the parking block is separated from the wheel pair.
However, the piston rod of the parking brake cylinder has large resistance to movement in the cylinder body, and the worker has difficulty in pulling the piston rod.
FIG. 1 is a first schematic structural diagram of a brake cylinder release device according to an embodiment of the present invention; FIG. 2 is a perspective view of the parking brake cylinder mitigation device of FIG. 1; FIG. 3 is a second schematic structural diagram of a brake cylinder release device according to an embodiment of the present invention.
Please refer to fig. 1-3. The present embodiment provides a parking brake cylinder mitigation device, comprising: a first link 10 and a first pull cord 20; the first connecting rod 10 is rotatably connected with a bogie, and the rotating axis of the first connecting rod 10 is vertical to the central line of the first connecting rod 10; the driving end of the first link 10 is connected to the first traction rope 20, the free end of the first link 10 is connected to the piston rod of the parking brake cylinder, and the distance between the driving end of the first link 10 and the rotation axis of the first link 10 is greater than the distance between the free end of the first link 10 and the rotation axis of the first link 10.
In this embodiment, the cross-sectional shape of the first link 10 may be a regular shape such as a circle, a rectangle, a triangle, or the like, but the cross-section of the first link 10 may also be another irregular shape. In the present embodiment, the first link 10 may be a metal rod mainly made of metal material such as copper, iron, and aluminum, but the first link 10 may also be a non-metal rod made of non-metal material such as plastic with sufficient strength.
The rotational connection between the first link 10 and the bogie in this embodiment may be various, as long as it is ensured that the first link 10 can be rotated in the direction perpendicular to the center line of the first link 10; for example: seted up first shaft hole on first connecting rod 10, corresponding set up the second shaft hole on the bogie, first connecting axle is worn to establish in first shaft hole and second shaft hole to rotate between first connecting axle and first shaft hole and the second shaft hole and be connected, realize the rotation between first connecting rod 10 and the bogie promptly and be connected. Further, set up first bearing in the first shaft hole, set up the second bearing in the second shaft hole, first connecting shaft passes through first bearing and is connected with the first shaft hole, and first connecting shaft passes through the second bearing and is connected with the second shaft hole, resistance when can reducing first connecting rod 10 and rotate.
Of course, a second connecting shaft may be disposed on the first connecting rod 10, and the second connecting shaft may be connected to the first connecting rod 10 by welding, or the second connecting shaft may be integrally formed with the first connecting rod by casting. Correspondingly, a third shaft hole is formed in the bogie, the second connecting shaft penetrates through the third shaft hole, and the second connecting shaft is rotatably connected with the third shaft hole. Further, a third bearing is arranged in the third shaft hole, and the second connecting shaft is connected with the third shaft hole through the third bearing.
The parking brake cylinder relieving device provided by the embodiment is used in the following process: when the rail train is parked, the piston rod of the parking brake cylinder is controlled to contract towards the inside of the cylinder, so that the parking block is driven to move, the parking block is in contact with the wheel set on the bogie, the wheel set is prevented from rotating, and the rail train parked on the rail is prevented from moving. When the rail train is moved, a worker pulls the first traction rope 20 to drive the first connecting rod 10 to rotate, the movable end of the first connecting rod 10 drives the piston rod of the parking brake cylinder to extend out of the cylinder body, and then the parking block connected with the piston rod of the parking brake cylinder is separated from the wheel pair; in the process, since the distance between the driving end of the first link 10 and the rotation axis of the first link 10 is greater than the distance between the movable end of the first link 10 and the rotation axis of the first link 10, the smaller pulling force of pulling the first traction rope 20 can drive the piston rod with larger resistance to extend out of the cylinder body.
According to the parking brake cylinder relieving device provided by the embodiment, the first connecting rod 10 is arranged on the bogie, the first connecting rod 10 is rotatably connected with the bogie, the driving end of the first connecting rod 10 is connected with the first traction rope 20, the movable end of the first connecting rod 10 is connected with the piston rod of the parking brake cylinder, and the distance between the driving end of the first connecting rod 10 and the rotation axis of the first connecting rod 10 is greater than the distance between the movable end of the first connecting rod 10 and the rotation axis of the first connecting rod 10, that is, the power arm of the first connecting rod 10 is greater than the resistance arm of the first connecting rod 10; compare with the piston rod that the staff directly drawn the parking brake cylinder among the prior art, the less pulling force of drawing first haulage rope 20 can drive the piston rod that has great resistance and stretch out in by the cylinder body, and the labour saving operation.
In this embodiment, the parking brake cylinder mitigation device further includes a first connecting plate 30 and a first rotating shaft 302, wherein the first connecting plate 30 is connected with the bogie through the first rotating shaft 302; the first connecting plate 30 is provided with a first connecting hole 301, the first connecting rod 10 is provided with a first adjusting hole 101, and the first connecting bolt penetrates through the first connecting hole 301 and the first adjusting hole 101. The first link 10 is connected to the first link plate 30 by a first connecting bolt, and a detachable connection between the first link 10 and the first link plate 30 is realized, so that when the first link 10 is damaged, the first link 10 is detached from the first link plate 30 to replace the first link 10 with a new one.
Further, the first adjusting hole 101 is a plurality of first adjusting holes 101, and the plurality of first adjusting holes 101 are spaced from the driving end of the first link 10 to the movable end of the first link 10. By making the first connecting bolt penetrate through the first connecting hole 301 and the different first adjusting hole 101, the pulling force required for pulling the first pulling rope 20 to drive the piston rod of the parking brake cylinder to move can be adjusted.
For example, when the first coupling bolt is inserted into the first adjusting hole 101 near the movable end of the first link 10, the pulling force for pulling the first traction rope 20 may be reduced; when the first coupling bolt is inserted into the first adjusting hole 101 near the driving end of the first link 10, the distance of pulling the first traction rope 20 can be reduced.
It should be noted that the positions of the first adjusting holes 101 are reasonably set such that a first distance is provided between the first adjusting hole 101 closest to the driving end of the first link 10 and the driving end of the first link 10, a second distance is provided between the first adjusting hole 101 closest to the driving end of the first link 10 and the movable end of the first link 10, and the first distance is greater than the second distance.
In this embodiment, the parking brake cylinder mitigation device further includes: a second link 40, a second pull cord 60, and a third link 50; the second connecting rod 40 is parallel to the first connecting rod 10 and arranged at intervals, the second connecting rod 40 is rotatably connected with the bogie, and the rotating axis of the second connecting rod 40 is vertical to the central line of the second connecting rod 40; the driving end of the second connecting rod 40 is hinged with one end of a third connecting rod 50, the other end of the third connecting rod 50 is hinged with the movable end of the first connecting rod 10, and the movable end of the second connecting rod 40 is connected with the piston rod of the parking brake cylinder through a second traction rope 60; the distance between the driving end of the second link 40 and the rotational axis of the second link 40 is greater than the distance between the movable end of the second link 40 and the rotational axis of the second link 40. The first link 10 and the second link 40 can simultaneously reduce the pulling force of pulling the first traction rope 20.
In this embodiment, the first link 10 and the second link 40 are perpendicular to the third link 50 when the piston rod of the parking brake cylinder extends from the cylinder body.
In this embodiment, the cross-sectional shape of the second link 40 may be a regular shape such as a circle, a rectangle, a triangle, or the like, but the cross-section of the second link 40 may also be another irregular shape. In the present embodiment, the second link 40 may be a metal rod mainly made of a metal material such as copper, iron, or aluminum, but the second link 40 may also be a non-metal rod made of a non-metal material such as plastic having sufficient strength.
The second pulling rope 60 in this embodiment may be a steel wire rope, a nylon rope with sufficient strength, etc., and the piston rod for driving the parking brake cylinder through the second pulling rope 60 extends out of the cylinder body, so that the first connecting rod 10 and the second connecting rod 40 can have a longer distance from the parking brake cylinder.
In this embodiment, the brake cylinder release device further includes a second connecting plate 70 and a second rotating shaft 702, wherein the second connecting plate 70 is connected to the bogie through the second rotating shaft 702; the second connecting plate 70 is provided with a second connecting hole 701, the second connecting rod 40 is provided with a second adjusting hole 401, and a second connecting bolt is arranged in the second connecting hole 701 and the second adjusting hole 401 in a penetrating manner. The second connecting rod 40 is connected with the second connecting plate 70 through a second connecting bolt, so that the detachable connection between the second connecting rod 40 and the second connecting plate 70 is realized, and when the second connecting rod 40 is damaged, the second connecting rod 40 is detached from the second connecting plate 70 to replace a new second connecting rod 40.
Further, the second adjusting hole 401 is provided in plurality, and the plurality of second adjusting holes 401 are provided at intervals from the driving end of the second link 40 to the movable end of the second link 40. The second connection bolt is inserted into the second connection hole 701 and the different second adjustment hole 401, so that the adjustment range of the pulling force for pulling the first pulling rope 20 can be increased.
It is noted that the positions of the second adjusting holes 401 are reasonably set such that the second adjusting hole 401 closest to the driving end of the second link 40 has a third distance from the driving end of the second link 40, the second adjusting hole 401 closest to the driving end of the second link 40 has a fourth distance from the movable end of the second link 40, and the third distance is greater than the fourth distance.
In this embodiment, the parking brake cylinder mitigation device further includes a box 80, the box 80 is connected to the bogie, and the first link 10, the second link 40, and the third link 50 are disposed in the box 80. The first connecting rod 10, the second connecting rod 40 and the third connecting rod 50 are all arranged in the box body 80, so that the rubbing between external objects and the connecting rods can be avoided.
Specifically, a first opening is arranged on the box body 80 facing the driving end of the first connecting rod 10, one end of the first hauling rope 20 extends into the box body 80 through the first opening and is connected with the driving of the first connecting rod 10, and the other end of the first hauling rope 20 is connected with the pull ring; similarly, a second opening is provided in the housing 80 facing the movable end of the second link 40, one end of the second pull rope 60 extends into the housing 80 through the second opening and is connected to the movable end of the second link 40, and the other end of the second pull rope 60 is connected to the piston rod of the parking brake cylinder.
Further, a first link ring is provided on the driving end of the first link 10, and the first traction rope 20 is connected to the first link ring; similarly, a second connection ring is provided on the second link 40, and the second traction rope 60 is connected to the second connection ring.
Further, sealing plugs are arranged in the first opening and the second opening to seal the first opening and the second opening, so that foreign matters such as dust outside can be prevented from entering the box body 80 through the first opening and the second opening when the rail train is parked for a long time or normally runs. Specifically, before the first pull cord 20 is pulled, the sealing plug is pulled out of the first opening and the second opening. The sealing plug can be a rubber plug or a plastic plug.
Specifically, the box 80 includes a box cover and a body, the mounting surface of the body is connected to the bogie, a sealing surface of the body opposite to the mounting surface is recessed inward to form a containing cavity, the first connecting rod 10, the second connecting rod 40 and the third connecting rod 50 are all disposed in the containing cavity, and the box cover is disposed on the sealing surface of the body to seal the containing cavity. Further the box cover is detachably connected with the body.
Specifically, a first shaft seat 802 is arranged on the bottom surface of the accommodating cavity, and the first rotating shaft 302 is rotatably connected with the first shaft seat 802; a second shaft seat 803 is further disposed on the bottom surface of the same accommodating cavity, and the second rotating shaft 702 is rotatably connected with the second shaft seat 803.
In this embodiment, the brake cylinder parking alleviating device further includes a travel switch, an alarm and a power supply device, the alarm is arranged on the outer wall of the box body 80, the travel switch is arranged on the inner wall of the box body 80, and the power supply device is connected with the alarm through the travel switch; when the first pull cord 20 is pulled to extend the piston rod of the parking brake cylinder, the second link 40 touches the travel switch and the alarm sounds an alarm. When the first traction rope 20 is pulled to extend the piston rod of the parking brake cylinder and further disengage the parking pad from the wheel set, the alarm device 801 gives an alarm to prompt the operator to unlock the wheel set. In addition, the position of the travel switch is reasonably set, so that the alarm device 801 gives an alarm only when the piston rod of the parking brake cylinder is completely extended out; the operator may stop pulling the first traction rope 20 when the alarm device 801 gives an alarm, so as not to pull the first traction rope 20 when the piston rod of the brake cylinder is fully extended.
Specifically, the power supply device may be a battery disposed on the box 80, and the battery is connected to the alarm through a travel switch; of course, the power supply device can also be a wire connected to the power supply system of the train, in order to supply the warning device 801 with power via the power supply system of the rail train.
Further, the alarm comprises an indicator light and/or a buzzer. The staff is prompted through sound and/or light, and the voice prompt is convenient for the staff to find.
Taking the orientation shown in fig. 3 as an example, when the railway train needs to be moved, the first pull rope 20 is pulled outwards by the pull ring on the first pull rope 20, and at the same time, the first connecting rod 10 and the second connecting rod 40 both rotate clockwise, so that the second connecting rod 40 drives the second pull rope 60 to move towards the box 80, and the second pull rope 60 drives the piston rod of the parking brake cylinder to extend out of the box; when the parking block is separated from the wheel set, the first connecting rod 10 touches the travel switch, so that the alarm device 801 gives an alarm to prompt the operator to stop drawing the first traction rope 20.
It is noted that when the pulling force of pulling the first pull cord 20 required for the piston rod driving the parking brake cylinder to move is adjusted, the first boss 802 is moved to engage the first coupling hole 301 with a different first adjusting hole 101, and the second boss 803 is moved to engage the second coupling hole 701 with a different second adjusting hole 401, so as to prevent the first link 10 and the second link 40 from colliding with the housing 80.
In other embodiments, a rail train is also provided, comprising a parking brake cylinder mitigation device as described above.
In the present invention, unless otherwise specifically stated, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A parking brake cylinder mitigation device, comprising: the first connecting rod and the first traction rope; the first connecting rod is rotatably connected with a bogie, and the rotating axis of the first connecting rod is vertical to the central line of the first connecting rod; the driving end of the first connecting rod is connected with the first traction rope, the movable end of the first connecting rod is connected with a piston rod of the parking brake cylinder, and the distance between the driving end of the first connecting rod and the rotating axis of the first connecting rod is larger than the distance between the movable end of the first connecting rod and the rotating axis of the first connecting rod.
2. The parking brake cylinder mitigation device according to claim 1, further comprising a first connecting plate and a first axle, said first connecting plate being connected to said bogie via said first axle; the first connecting plate is provided with a first connecting hole, the first connecting rod is provided with a first adjusting hole, and a first connecting bolt penetrates through the first connecting hole and the first adjusting hole.
3. The parking brake cylinder mitigation device of claim 2, wherein the first adjustment aperture is a plurality of first adjustment apertures spaced along the driven end of the first link to the movable end of the first link.
4. The parking brake cylinder mitigation device according to any one of claims 1 to 3, further comprising: the second connecting rod, the second traction rope and the third connecting rod; the second connecting rod is parallel to the first connecting rod and is arranged at intervals, the second connecting rod is rotatably connected with the bogie, and the rotating axis of the second connecting rod is vertical to the central line of the second connecting rod; the driving end of the second connecting rod is hinged with one end of a third connecting rod, the other end of the third connecting rod is hinged with the movable end of the first connecting rod, and the movable end of the second connecting rod is connected with the piston rod of the parking brake cylinder through a second traction rope; the distance between the driving end of the second connecting rod and the rotating axis of the second connecting rod is greater than the distance between the movable end of the second connecting rod and the rotating axis of the second connecting rod.
5. The parking brake cylinder mitigation device according to claim 4, further comprising a second connection plate and a second axle, said second connection plate being connected to said bogie via said second axle; the second connecting plate is provided with a second connecting hole, the second connecting rod is provided with a second adjusting hole, and a second connecting bolt penetrates through the second connecting hole and the second adjusting hole.
6. The parking brake cylinder mitigation device according to claim 5, wherein the second adjustment aperture is a plurality of second adjustment apertures spaced along the driven end of the second link to the movable end of the second link.
7. The parking brake cylinder mitigation device according to claim 4, further comprising a box connected to said bogie, said first link, said second link and said third link being disposed within said box.
8. The parking brake cylinder mitigation device according to claim 7, further comprising a travel switch, an alarm and a power supply, wherein the alarm is arranged on an outer wall of the box, the travel switch is arranged on an inner wall of the box, and the power supply is connected with the alarm through the travel switch; when the first traction rope is pulled to enable a piston rod of the parking brake cylinder to extend, the second connecting rod touches the travel switch, and the alarm gives an alarm.
9. Parking brake cylinder mitigation device according to claim 8, wherein the alarm comprises an indicator light and/or a buzzer.
10. A rail train comprising a brake cylinder mitigation device for parking of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427949.4A CN111216760B (en) | 2018-11-27 | 2018-11-27 | Parking brake cylinder relieving device and rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427949.4A CN111216760B (en) | 2018-11-27 | 2018-11-27 | Parking brake cylinder relieving device and rail train |
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| Publication Number | Publication Date |
|---|---|
| CN111216760A true CN111216760A (en) | 2020-06-02 |
| CN111216760B CN111216760B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811427949.4A Active CN111216760B (en) | 2018-11-27 | 2018-11-27 | Parking brake cylinder relieving device and rail train |
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