CN211901385U - Tread brake for railway vehicle - Google Patents
Tread brake for railway vehicle Download PDFInfo
- Publication number
- CN211901385U CN211901385U CN202020590357.0U CN202020590357U CN211901385U CN 211901385 U CN211901385 U CN 211901385U CN 202020590357 U CN202020590357 U CN 202020590357U CN 211901385 U CN211901385 U CN 211901385U
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- China
- Prior art keywords
- push rod
- power seat
- oil
- fixed block
- oil storage
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- Expired - Fee Related
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Abstract
The utility model relates to a rail vehicle field specifically discloses a tread stopper for rail vehicle, including power seat and push rod, push rod sliding connection is in the power seat, the top fixedly connected with fixed block of push rod, and the spout corresponding with the fixed block is seted up to the inside of power seat, and fixed block sliding connection is in the spout, and the roof of spout is equipped with the mechanism of giving oil. This a tread stopper for rail vehicle, when having realized promoting the braking shoe to brake after the push rod motion, the mechanism of giving oil then can realize carrying out the oiling lubrication in the gap of push rod and power seat, and then reduce the sliding friction power between push rod and the power seat, reduce the wearing and tearing between push rod and the power seat, guarantee the life-span of push rod and power seat, guarantee the braking effect, this tread stopper need not artifical manual filling many times, and the lubricating time is long, for staff labour saving and time saving, satisfy user's demand.
Description
Technical Field
The utility model relates to a rail vehicle technical field specifically is a tread stopper for rail vehicle.
Background
With the increasing development of technology, the brake system of most rail vehicles at present uses a tread brake structure, and when braking, a brake shoe holds the tread of a wheel tightly, so that the wheel stops rotating through friction. In the prior art, chinese patent CN2016214230520 discloses a rail vehicle electric tread brake, which comprises a brake block, an associated push head, a dust cover, a housing, a power seat, a driving part, a sensor, an adjusting rod, a limiting ring, a compensation motor, a compensation mechanism, a wiring box, an electric control cabin, a brake spring, and a push rod, wherein the power seat and the driving part are arranged in an open cavity of the housing, the front end of the adjusting rod is inserted into a step hole of the driving part until being inserted into a cavity of the power seat, the rear end of the adjusting rod is communicated with the sensor, the rear end of the push rod is inserted into a central hole of the adjusting rod, the front end of the adjusting rod can be freely moved and inserted into the central hole of the associated push head, the brake spring is sleeved on the push rod, and. The tread brake has the advantages that: the electric power source mode is adopted instead of a huge high-pressure air source for providing power, the attractive force generated by the power seat and the driving part after power is obtained is utilized to push the brake shoe to move, the wheel surface is compressed to generate friction force to meet the requirement of speed reduction and positioning, and the function of accurately compensating the working stroke of the push rod by monitoring the working stroke of the push rod is achieved.
However, in practical use, the above described tread brake also has the following disadvantages: because promote and the during operation at the push rod, its push rod can produce great friction with the place that the power seat contacted when sliding, long-time the use can lead to wearing and tearing seriously between push rod and the power seat, and the life-span reduces, can not guarantee the braking effect, and traditional lubricating oil filling mode is manual filling for artifical moreover, and the holding time is short, complex operation, wastes time and energy.
In view of the deficiencies of the prior art, there is a need for an improved tread brake that addresses the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model discloses a tread stopper for rail vehicle to solve the problem that proposes among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a tread brake for a rail vehicle comprises a power seat and a push rod, wherein the push rod is connected in the power seat in a sliding manner, the top of the push rod is fixedly connected with a fixed block, a sliding groove corresponding to the fixed block is formed in the power seat, the fixed block is connected in the sliding groove in a sliding manner, and the top wall of the sliding groove is provided with an oil feeding mechanism;
the oil feeding mechanism comprises an oil storage cavity and an oil injection channel, the oil storage cavity is vertically and downwards arranged at the top of the power seat, the bottom wall of the oil storage cavity is arranged on the oil injection channel, the bottom of the oil injection channel is communicated with the sliding groove, the bottom of the oil injection channel is provided with an arc-shaped opening, the inside of the oil injection channel is connected with a sliding block in a sliding mode, a plurality of groups of oil holes are formed in the upper surface of the sliding block, the bottom of the sliding block is fixedly connected with sealing balls, the bottom of each sealing ball is attached to the corresponding arc-shaped opening, the bottom of each sealing ball is located in the corresponding sliding groove, the bottom wall of the oil storage cavity is fixedly.
Furthermore, the top of the power seat is fixedly connected with a threaded pipe orifice corresponding to the position of the oil storage cavity, and the top of the threaded pipe orifice is in threaded connection with a sealing cover.
Further, the fixed plate includes curb plate and roof, the shape of fixed plate is "U" type, the quantity of curb plate is two sets of and fixes on the diapire in oil storage chamber, the top at two sets of curb plates is fixed to the roof.
Furthermore, two groups of wedge-shaped inclined planes are arranged at the top of the fixing block, and the wedge-shaped inclined planes are symmetrically distributed on the left side and the right side of the fixing block.
Further, the bottom of the spring is fixedly connected with the top of the sliding block, the top of the spring is fixedly connected with the bottom wall of the top plate, and the spring is in a compressed state.
Further, a rubber pad is arranged in the sealing cover.
Further, the radial width of the oil filling channel is smaller than that of the oil storage cavity.
Compared with the prior art, the utility model discloses a tread stopper for rail vehicle, its beneficial effect who possesses includes but not limited to:
1. this a tread stopper for rail vehicle, through setting up the power seat, the push rod, the fixed block, spout and oiling mechanism, realized when pushing away the brake shoe and braking after the push rod motion, oiling lubrication can then be realized carrying out in the gap of push rod and power seat to the oiling of oiling mechanism, and then reduce the sliding friction power between push rod and the power seat, reduce the wearing and tearing between push rod and the power seat, guarantee the life-span of push rod and power seat, guarantee the braking effect, this device need not artifical manual filling many times, and the lubrication time is long, for staff labour saving and time saving, satisfy the user demand.
2. This a tread stopper for rail vehicle is convenient for seal the threaded pipe mouth through setting up sealed lid, and then realizes the sealed of oil storage chamber, when carrying out lubricating oil filling, directly take off sealed lid through the threaded pipe mouth to the oil storage intracavity add lubricating oil can, easy operation is convenient, satisfies the user demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;
fig. 4 is a cross-sectional side view of the present invention;
fig. 5 is an enlarged view of a portion B of fig. 4 according to the present invention.
In the figure: 1. a power base; 2. a push rod; 201. a fixed block; 2011. a wedge-shaped inclined plane; 3. a threaded pipe orifice; 301. a sealing cover; 4. an oil storage chamber; 401. a fixing plate; 4011. a side plate; 4012. a top plate; 5. a chute; 6. an oil injection channel; 601. an arc-shaped opening; 7. a spring; 8. a sealing ball; 9. a slider; 901. and an oil hole.
Detailed Description
The embodiment provides a tread brake for a railway vehicle, as shown in fig. 1-5, comprising a power seat 1 and a push rod 2, wherein the push rod 2 is slidably connected in the power seat 1, and the braking structure and principle of the tread brake are the same as those of the prior art, and are not described again; the tread brake of this embodiment, its main improvement lies in, the top (radial side) fixedly connected with fixed block 201 of push rod 2, and the inside of power seat 1 is seted up with the corresponding spout 5 of fixed block 201, and fixed block 201 sliding connection is in spout 5, and the roof of spout 5 is equipped with the mechanism of supplying oil.
Wherein, the oil feeding mechanism comprises an oil storage cavity 4 and an oil filling channel 6, the oil storage cavity 4 is vertically arranged at the top of the power base 1 downwards, the oil filling channel 6 is arranged at the bottom wall of the oil storage cavity 4, the bottom of the oil filling channel 6 is communicated with the sliding chute 5, the bottom of the oil filling channel 6 is provided with an arc-shaped opening 601, the inside of the oil filling channel 6 is slidably connected with a sliding block 9, the upper surface of the sliding block 9 is provided with a plurality of groups of oil holes 901, the bottom of the sliding block 9 is fixedly connected with a sealing ball 8, the bottom of the sealing ball 8 is attached to the arc-shaped opening 601, the bottommost part of the sealing ball is positioned in the sliding chute 5, the bottom wall of the oil storage cavity 4 is fixedly connected with a fixing plate 401, the top of the sliding block 9 and the bottom of the fixing plate 401 are provided with a spring 7, by arranging the power base 1, the push rod 2, the fixing block 201, the sliding chute, and then reduce the sliding friction power between push rod 2 and the power seat 1, reduce the wearing and tearing between push rod 2 and the power seat 1, guarantee the life-span of push rod 2 and power seat 1, guarantee the braking effect, this device need not artifical manual filling many times, and lubricated time is long moreover, for staff labour saving and time saving, satisfies the user demand.
The top fixedly connected with of power seat 1 and the corresponding threaded pipe mouth 3 in oil storage chamber 4 position, threaded pipe mouth 3's top threaded connection has sealed lid 301, be convenient for seal threaded pipe mouth 3 through setting up sealed lid 301, and then realize sealed to oil storage chamber 4, when carrying out lubricating oil filling, directly take off sealed lid 301 through threaded pipe mouth 3 to add lubricating oil in the oil storage chamber 4 can, easy operation is convenient, satisfy the user demand.
Fixed plate 401 includes curb plate 4011 and roof 4012, and fixed plate 401's shape is "U" type, and curb plate 4011's quantity is two sets of and fixes on the diapire of oil storage chamber 4, and roof 4012 fixes the top at two sets of curb plates 4011, is convenient for fix spring 7 through setting up fixed plate 401.
Two sets of wedge inclined planes 2011 have been seted up at the top of fixed block 201, and wedge inclined plane 2011 symmetric distribution can be convenient for fixed block 201 upwards promote sealing ball 8 in the left and right sides of fixed block 201 through setting up wedge inclined plane 2011 for sealing ball 8 and arc opening 601 produce the clearance and make lubricating oil fall on push rod 2.
The bottom of the spring 7 is fixedly connected with the top of the sliding block 9, the top of the spring 7 is fixedly connected with the bottom wall of the top plate 4012, and the spring 7 is in a compressed state.
Be equipped with the rubber pad in sealed lid 301, set up the leakproofness that the rubber pad can increase sealed lid 301.
The radial width of the oil filling channel 6 is smaller than the radial width of the oil reservoir chamber 4.
The working principle is as follows: when a user uses the brake pad, the push rod 2 drives the fixed block 201 to slide in the sliding groove 5 when pushing the brake pad to brake after moving, and when the wedge-shaped inclined surface 2011 of the fixed block 201 abuts against the sealing ball 8, the sealing ball 8 is pushed to move upwards (the contact time between the fixed block 201 and the sealing ball 8 can be determined according to needs, for example, the oil supply mechanism can be arranged outside the conventional sliding stroke of the push rod 2, the push rod 2 moves to the outside of the conventional sliding stroke to realize the contact with the sealing ball 8 only when lubrication is needed, at this time, the oil hole 901 of the slide block 9 can be designed to be a larger hole diameter to meet the needs of fast oil supply, and of course, the oil supply mechanism can also be arranged in the conventional sliding stroke of the push rod 2, at this time, the movement of the push rod 2 drives the fixed block 201 to contact with the sealing ball 8 each time, the oil hole 901 of the slide block 9 can be designed to be a smaller hole diameter, sealing ball 8 drives slider 9 and slides in oiling channel 6, slider 9 upward movement and compression spring 7, 8 during upward movement of sealing ball can break away from arc opening 601 and with the arc opening 601 between produce the gap, consequently lubricating oil in the oil storage chamber 4 can pass through oiling channel 6, through oilhole 901 downstream, then in the gap entering spout 5 that produces between sealing ball 8 and the arc opening 601, and carry out oiling lubrication in the gap to push rod 2 and power seat 1, after fixed block 201 breaks away from the contact with sealing ball 8, spring 7 can stretch and promote slider 9 downstream, slider 9 drives between sealing ball 8 and the arc opening 601 sealed, and then stop the oil supply.
This device is through setting up power seat 1, push rod 2, fixed block 201, spout 5 and oil feed mechanism, realized when push rod 2 moves back promotion braking tile and brakies, oil feed mechanism then can realize carrying out the oiling lubrication in the gap of push rod 2 and power seat 1, and then reduce the sliding friction between push rod 2 and the power seat 1, reduce the wearing and tearing between push rod 2 and the power seat 1, guarantee push rod 2 and power seat 1's life-span, guarantee the braking effect, this device need not artifical manual filling many times, and the lubrication time is long, for staff labour saving and time saving, satisfy user's demand.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A tread brake for a rail vehicle, comprising a power seat (1) and a push rod (2), the push rod (2) being slidably connected in the power seat (1), characterized in that: the top of the push rod (2) is fixedly connected with a fixed block (201), a sliding groove (5) corresponding to the fixed block (201) is formed in the power seat (1), the fixed block (201) is connected in the sliding groove (5) in a sliding mode, and an oil feeding mechanism is arranged on the top wall of the sliding groove (5);
the oil feeding mechanism comprises an oil storage cavity (4) and an oil filling channel (6), the oil storage cavity (4) is vertically and downwards arranged at the top of the power seat (1), the oil injection channel (6) is arranged on the bottom wall of the oil storage cavity (4), the bottom of the oil injection channel (6) is communicated with the sliding groove (5), the bottom of the oil injection channel (6) is provided with an arc-shaped opening (601), the inside of the oil injection channel (6) is connected with a sliding block (9) in a sliding way, a plurality of groups of oil holes (901) are arranged on the upper surface of the sliding block (9), a sealing ball (8) is fixedly connected with the bottom of the sliding block (9), the bottom of the sealing ball (8) is attached to the arc-shaped opening (601) and the bottommost part is positioned in the sliding groove (5), the diapire fixedly connected with fixed plate (401) of oil storage chamber (4), the top of slider (9) and the bottom of fixed plate (401) are equipped with spring (7).
2. A tread brake for a railway vehicle as claimed in claim 1, wherein: the top fixedly connected with of power seat (1) and the corresponding screw thread mouth (3) in oil storage chamber (4) position, the top threaded connection of screw thread mouth (3) has sealed lid (301).
3. A tread brake for a railway vehicle as claimed in claim 2, wherein: fixed plate (401) include curb plate (4011) and roof (4012), the shape of fixed plate (401) is "U" type, the quantity of curb plate (4011) is two sets of and fixes on the diapire in oil storage chamber (4), the top at two sets of curb plates (4011) is fixed in roof (4012).
4. A tread brake for a railway vehicle as claimed in claim 3, wherein: two sets of wedge inclined planes (2011) are seted up at the top of fixed block (201), wedge inclined planes (2011) symmetric distribution is in the left and right sides of fixed block (201).
5. A tread brake for a railway vehicle as claimed in claim 4, wherein: the bottom of spring (7) is fixed continuous with the top of slider (9), the top of spring (7) is fixed continuous with the diapire of roof (4012), just spring (7) are in compression state.
6. A tread brake for a railway vehicle as claimed in claim 5, wherein: a rubber pad is arranged in the sealing cover (301).
7. A tread brake for a railway vehicle as claimed in claim 6, wherein: the radial width of the oil filling channel (6) is smaller than that of the oil storage cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590357.0U CN211901385U (en) | 2020-04-20 | 2020-04-20 | Tread brake for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590357.0U CN211901385U (en) | 2020-04-20 | 2020-04-20 | Tread brake for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901385U true CN211901385U (en) | 2020-11-10 |
Family
ID=73277148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020590357.0U Expired - Fee Related CN211901385U (en) | 2020-04-20 | 2020-04-20 | Tread brake for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562527A (en) * | 2021-07-29 | 2022-05-31 | 山东力得汽车科技股份有限公司 | Force increasing mechanism capable of generating axial displacement and axial thrust by rotation |
-
2020
- 2020-04-20 CN CN202020590357.0U patent/CN211901385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562527A (en) * | 2021-07-29 | 2022-05-31 | 山东力得汽车科技股份有限公司 | Force increasing mechanism capable of generating axial displacement and axial thrust by rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20210420 |