CN111874030A - Brake shoe slack adjuster for rail engineering vehicle - Google Patents
Brake shoe slack adjuster for rail engineering vehicle Download PDFInfo
- Publication number
- CN111874030A CN111874030A CN202010936784.4A CN202010936784A CN111874030A CN 111874030 A CN111874030 A CN 111874030A CN 202010936784 A CN202010936784 A CN 202010936784A CN 111874030 A CN111874030 A CN 111874030A
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- Prior art keywords
- brake shoe
- adjusting
- adjusting screw
- screw rod
- guide sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K11/00—Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand, or the like at the depots
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a brake shoe slack adjuster for a rail engineering vehicle, which comprises a supporting mechanism and an adjusting mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the supporting mechanism comprises a connecting rod with a through hole in the middle; the adjusting mechanism comprises a guide sleeve and an adjusting screw rod, wherein the guide sleeve penetrates through the through hole and is welded with the connecting rod, one end of the adjusting screw rod penetrates through the guide sleeve, the adjusting screw rod is in threaded connection with the adjusting screw rod, one end of the adjusting screw rod is arranged in the sliding sleeve, the adjusting nut is arranged outside the guide sleeve and far away from one end of the sliding sleeve, and the adjusting nut is arranged at the other end of the sliding sleeve. Compared with the related art, the brake shoe slack adjuster for the rail engineering vehicle has the following beneficial effects: through this brake shoe clearance adjuster, operating personnel only need pass through adjusting nut in bogie one end, alright light regulation brake shoe clearance to be convenient for accomplish the work of changing the brake shoe, can alleviate operating personnel's intensity of labour and prolonged brake shoe practical life greatly.
Description
Technical Field
The invention relates to the field of foundation braking devices of rail engineering vehicles, in particular to a brake shoe gap adjuster for a rail engineering vehicle.
Background
The brake adjuster is a brake shoe slack adjuster for short, is used for adjusting the distance between a train brake shoe and a wheel pair, and is an important part for train braking.
The basic brake of the rail engineering vehicle is mainly provided with a lever system basic brake device and does not have a function of automatically adjusting a brake shoe gap, the brake shoe gap is gradually increased along with the abrasion of a brake shoe in the braking process of the rail engineering vehicle, so that the piston stroke of a brake cylinder is continuously increased, the piston stroke of the brake cylinder needs to be checked frequently to keep the braking force reliable, and when the piston stroke of the brake cylinder exceeds a specified value, the piston stroke of the brake cylinder needs to be manually adjusted; for a four-axis rail engineering vehicle, 4 adjusting pull rods need to be manually adjusted each time, about half an hour is needed, for a railway engineering vehicle group with a large marshalling number, a user adjusts the piston stroke of a brake cylinder once, the labor intensity is high, and potential safety hazards and running cost exist due to the fact that brake shoes are worn and consumed too fast.
Therefore, there is a need to provide a new brake shoe slack adjuster for a rail working vehicle to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing a brake shoe slack adjuster for a rail engineering vehicle, which has more compact structure and more convenient installation, use and maintenance.
In order to solve the above technical problems, the present invention provides a brake shoe slack adjuster for a rail working vehicle, comprising: a support mechanism and an adjustment mechanism; the supporting mechanism comprises a connecting rod with a through hole in the middle; the adjusting mechanism comprises a guide sleeve and an adjusting screw rod, wherein the guide sleeve penetrates through the through hole and is welded with the connecting rod, one end of the adjusting screw rod penetrates through the guide sleeve, the adjusting screw rod is in threaded connection with the adjusting screw rod, one end of the adjusting screw rod is arranged in the sliding sleeve, the adjusting nut is arranged outside the guide sleeve and far away from one end of the sliding sleeve, and the adjusting nut is arranged at the other end of the sliding sleeve.
Preferably, the connecting block comprises a mounting hole, and the other end of the sliding sleeve is inserted into the mounting hole and is welded and fixed with the mounting hole.
Preferably, the supporting mechanism further comprises two sliding tubes arranged at two ends of the connecting rod in parallel at intervals, a first pin shaft penetrating through the connecting block and arranged in parallel with the connecting rod, and two sliding blocks arranged at two ends of the first pin shaft and penetrating through the sliding tubes; the connecting block is arranged between the two sliding pipes at intervals through a first pin shaft and a sliding block, and the connecting block can horizontally reciprocate along the arrangement direction of the sliding pipes.
Preferably, the two sliding pipes are fixedly arranged at two ends of the connecting rod through pins respectively.
Preferably, the adjusting nut and the adjusting screw are fixed by a threaded taper pin.
Preferably, the adjusting mechanism further comprises a stop block and a spring, the stop block is mounted on the outer edge surface of one end, close to the adjusting nut, of the guide sleeve through a second pin shaft and can move radially along the second pin shaft, and the spring is connected with the outer edge surface of the guide sleeve and the stop block, opposite to the second pin shaft, and provides a reset closing function of the stop block after opening so as to lock the adjusting nut.
Compared with the related art, the brake shoe slack adjuster for the rail engineering vehicle has the following beneficial effects:
the invention provides a brake shoe slack adjuster for a rail engineering vehicle, which comprises a supporting mechanism and an adjusting mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the supporting mechanism comprises a connecting rod with a through hole in the middle; the adjusting mechanism comprises a guide sleeve and an adjusting screw rod, wherein the guide sleeve penetrates through the through hole and is welded with the connecting rod, one end of the adjusting screw rod penetrates through the guide sleeve, the adjusting screw rod is in threaded connection with the adjusting screw rod, one end of the adjusting screw rod is arranged in the sliding sleeve, the adjusting nut is arranged outside the guide sleeve and far away from one end of the sliding sleeve, and the adjusting nut is arranged at the other end of the sliding sleeve. Compared with the traditional brake shoe gap adjusting mode, the brake shoe gap adjusting device is more convenient and simpler for operators to adjust the brake shoe gap, can greatly reduce the labor intensity of operators, is more convenient to install, use and maintain, and improves the efficiency of the whole vehicle during maintenance.
Drawings
FIG. 1 is a schematic structural view of an adjusting mechanism of a first embodiment of a brake shoe slack adjuster for a rail working vehicle according to the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of a brake shoe slack adjuster for a rail work vehicle according to the present invention;
FIG. 3 is a structural view of a brake shoe slack adjuster for a rail working vehicle according to the present invention in a use state;
FIG. 4 is a schematic structural view of a second embodiment of a brake shoe slack adjuster for a rail working vehicle according to the present invention;
FIG. 5 is a cross-sectional view of a heat dissipating mechanism of a second embodiment of a brake shoe slack adjuster for a rail work vehicle according to the present invention;
FIG. 6 is a cross-sectional view of a brake shoe of a second embodiment of the brake shoe slack adjuster for a rail work vehicle according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Example one
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an adjusting mechanism of a preferred embodiment of a brake shoe slack adjuster for a railway vehicle according to the present invention; FIG. 2 is a schematic structural view of a preferred embodiment of the brake shoe slack adjuster for a rail working vehicle according to the present invention. The invention provides a brake shoe slack adjuster for a rail engineering vehicle, which comprises a supporting mechanism and an adjusting mechanism.
The supporting mechanism comprises a connecting rod 2 with a through hole in the middle, two sliding tubes 12 arranged at two ends of the connecting rod 2 at intervals in parallel, a first pin shaft 13 penetrating through the connecting block 11 and arranged in parallel with the connecting rod 2, and two sliding blocks 14 arranged on the first pin shaft and penetrating through the sliding tubes 12; the connecting block 11 is arranged between the two sliding tubes 12 at intervals through a first pin shaft 13 and a sliding block 14.
The adjusting mechanism comprises a through hole, a guide sleeve 3 and an adjusting screw rod 9, wherein the through hole is penetrated, the guide sleeve 3 is welded with the connecting rod 2, one end of the adjusting screw rod is penetrated through the guide sleeve 3, the adjusting screw rod 9 is in threaded connection with the adjusting screw rod 9, one end of the adjusting screw rod is arranged on a sliding sleeve 10 in the guide sleeve 3, the adjusting nut 7 is arranged outside the guide sleeve 3 and is far away from the adjusting screw rod 9, one end of the sliding sleeve 10 is connected with the adjusting nut 7, and a connecting block 11 and a.
The connecting block 11 comprises a mounting hole, and the other end of the sliding sleeve 10 is inserted into the mounting hole and is welded and fixed with the mounting hole.
The connecting block 11 can horizontally reciprocate along the arrangement direction of the slide pipe 12.
The stop block 5 is mounted on the outer edge surface of one end of the guide sleeve 3 close to the adjusting nut 7 through a second pin shaft 6 and can move along the second pin shaft 6 in the radial direction, and the spring 8 is connected with the outer edge surface of the guide sleeve 3 opposite to the second pin shaft 6 and the stop block 5 and provides a reset closing function after the stop block 5 is opened so as to lock the adjusting nut 7.
The two slide pipes 12 are respectively and fixedly arranged at two ends of the connecting rod 2 through pins 1.
The adjusting nut 7 and the adjusting screw 9 are fixed by the threaded taper pin 4.
The working principle of the brake shoe slack adjuster for the rail engineering vehicle provided by the invention is as follows: referring to fig. 3, a block diagram of a brake shoe slack adjuster for a rail working vehicle according to the present invention is shown. The brake shoe gap adjuster can drive the adjusting screw rod 9 to rotate by rotating the adjusting nut 7, the sliding sleeve 10 in threaded connection with the adjusting screw rod drives the connecting block 11 to move horizontally back and forth, and the distance L between the two brake shoe suspenders is adjusted in a two-way manner, so that the purpose of adjusting the brake shoe gap is achieved.
Example two
In this embodiment, on the basis of the first embodiment, a cooling system is provided, please refer to fig. 4 to 6, which includes a first liquid storage tank 15 and a second liquid storage tank 16 disposed inside one side of the sliding sleeve 10 away from the adjusting screw 9.
First liquid storage box 15 is including locating its inside first micropump 151, connecting first micropump 151 just runs through the first drain pipe 152 of L type of sliding sleeve 10, with first drain pipe 152 intercommunication just locates the hydrojet mouth 153 on brake shoe 17 top and closes on first drain pipe 152 sets up and communicates first feed liquor gas vent 154 of first liquid storage box 15.
The second liquid storage box 16 comprises a second micropump 161 arranged inside the second liquid storage box 16, and a second liquid inlet exhaust port 163 connected with the second liquid outlet pipe 162 and the second liquid outlet pipe 162 communicated with the bottom end of the brake shoe 17 and penetrating through the sliding sleeve 10.
The brake shoe supporting plate 18 comprises two protrusions 181, self-reset switches are respectively embedded at the top ends of the two protrusions 181, the two self-reset switches are respectively electrically connected with the first micro pump 151 and the second micro pump 161 and control the first micro pump 151 and the second micro pump 161 to be turned on and turned off, the first micro pump 151 and the second micro pump 161 are powered and operated by a rail car power supply, the rail car power supply can pass through the top walls of the first liquid storage box body 15 and the second liquid storage box body 16 and is connected with the micro pumps, and then the self-reset switches are connected in series through a conducting wire.
The brake shoe 17 is hollow, and a plurality of metal spheres 171 are arranged in the brake shoe 17, and the inner cavity of the metal spheres is communicated with the second liquid outlet pipe 162.
In this embodiment, the liquid stored in the first liquid storage tank 15 is water, the first liquid outlet pipe 152 is a stainless steel pipe, the liquid stored in the second liquid storage tank 16 is alcohol, and the second liquid outlet pipe 162 is a silicone tube.
In the braking process of the rail engineering vehicle, the brake shoe 17 is pressed downwards reversely by the pressure of the wheel, the two protrusions 181 of the brake shoe supporting plate 18 supporting the brake shoe 17 are pressed by the pressure of the brake shoe 17, meanwhile, the two self-reset switches are pressed downwards, the first micro pump 151 and the second micro pump 161 are started, the first micro pump 151 and the second micro pump 161 respectively draw water and alcohol from the first liquid storage tank 15 and the second liquid storage tank 16, the water is sprayed on the surface of the brake shoe 17 through the liquid spraying port 153, the alcohol enters the brake shoe 17 through the second liquid outlet pipe 162 and covers the surface of the metal sphere 171, and then flows back into the second liquid storage tank 16 to cool the brake shoe 17.
When the brake is stopped, the self-reset switch is reset, and the first micro pump 151 and the second micro pump 161 are turned off to stop the operation.
First feed liquor gas vent 154 and second feed liquor gas vent 163 are used for replenishing water and alcohol, second feed liquor gas vent 163 still is used for the heat dissipation of alcohol volatilization, and metal sphere 171 can increase the surface area, increases the contact surface with alcohol, improves the cooling effect, and can improve brake shoe 17's intensity. The service life of the brake shoe 17 is improved.
Compared with the related art, the brake shoe slack adjuster for the rail engineering vehicle has the following beneficial effects: through this brake shoe clearance adjuster, operating personnel only need pass through adjusting nut in bogie one end, alright light regulation brake shoe clearance to be convenient for accomplish the work of changing the brake shoe, can alleviate operating personnel's intensity of labour and prolonged brake shoe practical life greatly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A brake shoe slack adjuster for a rail working vehicle, comprising: a support mechanism and an adjustment mechanism; the supporting mechanism comprises a connecting rod with a through hole in the middle; the adjusting mechanism comprises a guide sleeve and an adjusting screw rod, wherein the guide sleeve penetrates through the through hole and is welded with the connecting rod, one end of the adjusting screw rod penetrates through the guide sleeve, the adjusting screw rod is in threaded connection with the adjusting screw rod, one end of the adjusting screw rod is arranged in the sliding sleeve, the adjusting nut is arranged outside the guide sleeve and far away from one end of the sliding sleeve, and the adjusting nut is arranged at the other end of the sliding sleeve.
2. The shoe slack adjuster for a rail working vehicle according to claim 1, wherein the connecting block comprises a mounting hole, and the other end of the sliding sleeve is inserted into the mounting hole and welded and fixed with the mounting hole.
3. The brake shoe slack adjuster for a rail working vehicle according to claim 2, wherein the support mechanism further comprises two sliding tubes arranged at two ends of the connecting rod in parallel and at intervals, a first pin shaft penetrating through the connecting block and arranged in parallel with the connecting rod, and two sliding blocks arranged at two ends of the first pin shaft and penetrating through the sliding tubes; the connecting block is arranged between the two sliding pipes at intervals through a first pin shaft and a sliding block, and the connecting block can horizontally reciprocate along the arrangement direction of the sliding pipes.
4. The shoe slack adjuster for a track working vehicle according to claim 3, wherein the two slide pipes are fixed to both ends of the connecting rod by pins, respectively.
5. The shoe slack adjuster for a rail working vehicle according to claim 1, wherein the adjusting nut and the adjusting screw are fixed by a threaded taper pin.
6. The shoe slack adjuster for a track working vehicle according to claim 5, wherein the adjusting mechanism further comprises a stopper block and a spring, the stopper block is mounted on the outer peripheral surface of one end of the guide sleeve adjacent to the adjusting nut through a second pin shaft and can move radially along the second pin shaft, and the spring connects the outer peripheral surface of the guide sleeve opposite to the second pin shaft and the stopper block to provide a reset closing function of the stopper block after opening for locking the adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936784.4A CN111874030A (en) | 2020-09-08 | 2020-09-08 | Brake shoe slack adjuster for rail engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936784.4A CN111874030A (en) | 2020-09-08 | 2020-09-08 | Brake shoe slack adjuster for rail engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111874030A true CN111874030A (en) | 2020-11-03 |
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ID=73199274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010936784.4A Pending CN111874030A (en) | 2020-09-08 | 2020-09-08 | Brake shoe slack adjuster for rail engineering vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN111874030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261383A (en) * | 2021-12-16 | 2022-04-01 | 中车株洲电力机车有限公司 | Gap indication method for toothed rail train belt type braking device |
-
2020
- 2020-09-08 CN CN202010936784.4A patent/CN111874030A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261383A (en) * | 2021-12-16 | 2022-04-01 | 中车株洲电力机车有限公司 | Gap indication method for toothed rail train belt type braking device |
| CN114261383B (en) * | 2021-12-16 | 2022-10-14 | 中车株洲电力机车有限公司 | Gap indication method for toothed rail train belt type braking device |
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