CN111267896B - Wet type braking system of urban rail vehicle - Google Patents
Wet type braking system of urban rail vehicle Download PDFInfo
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- CN111267896B CN111267896B CN202010180598.2A CN202010180598A CN111267896B CN 111267896 B CN111267896 B CN 111267896B CN 202010180598 A CN202010180598 A CN 202010180598A CN 111267896 B CN111267896 B CN 111267896B
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- fixedly connected
- rail vehicle
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- urban rail
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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
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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Abstract
The invention relates to the field of rail transit, and particularly discloses a wet type braking system of an urban rail vehicle, which comprises a rail main body and a brake fixed at the bottom of the rail vehicle, the stopper includes shell body and brake assembly, the track main part is seted up flutedly, the bearing groove has been seted up to the shell body, bearing inslot fixedly connected with antifriction bearing, the shell body rotates and is connected with the wheel that rolls, the wheel fixedly connected with connecting axle rolls, the top fixedly connected with back shaft of connecting axle, the top fixedly connected with integral key shaft of back shaft, the wheel transmission that rolls is connected with the friction drum, the splined hole has been seted up to the friction drum, friction drum fixedly connected with friction disk, brake assembly includes link and friction semicircle, link fixedly connected with semicircle ring, the ring channel has been seted up to the semicircle ring, friction semicircle fixedly connected with annular boss, friction semicircle fixedly connected with friction semicircle. The wet brake system for the urban railway vehicle has a function of braking the railway vehicle running on the railway main body by friction force.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a wet type braking system of an urban rail vehicle.
Background
As a fast and efficient travel mode of a railway vehicle, more people select railway traffic nowadays, for example, trains, subways, motor cars and light rails all belong to the railway vehicle; the rail vehicle runs on a rail with small friction force, so the speed is high, but the rail vehicle cannot adopt the braking mode of a common automobile, generally adopts methods such as air compression, electromagnetic induction and the like to brake the rail vehicle, and the method is also the reason that the braking time of the rail vehicle such as a train is long.
The wet brake is an important component of a wet brake system; the wet brake is used as a braking system for heavy vehicles running on a road, and has strong bearing capacity and good braking effect; however, the wet brake brakes the rail vehicle by reducing the wheel speed through the friction plate, and the wheel of the wet brake brakes the rail vehicle by friction with the ground, while the existing wet brake brakes are not feasible to be applied to the rail vehicle in the same way, because the surface of the rail vehicle is much smoother than the ground, the rail vehicle cannot be effectively braked only by reducing the wheel speed of the rail vehicle; it is therefore necessary to provide a wet brake system for railway vehicles, which is specifically applied to railway vehicles, in order to brake the railway vehicles by friction.
Aiming at the defects of the prior art, the invention discloses a wet braking system of an urban rail vehicle, which aims to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a wet braking system of an urban rail vehicle, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a wet type braking system of an urban rail vehicle comprises an I-shaped rail main body and a brake fixed at the bottom of the rail vehicle; the brake comprises an outer shell and a brake assembly, wherein grooves are respectively formed in two sides of a track main body, a bearing groove is formed in the upper surface of the inner part of the outer shell, a rolling bearing is fixedly connected in the bearing groove, the outer shell is rotatably connected with a rolling wheel through the rolling bearing, the outer circle surface of the rolling wheel is contacted with the side wall of the groove, a connecting shaft contacted with the rolling bearing is fixedly connected to the upper surface of the rolling wheel, a supporting shaft is fixedly connected to the top of the connecting shaft, a spline shaft is fixedly connected to the top of the supporting shaft, the rolling wheel is connected with a friction cylinder through spline shaft transmission, a spline hole contacted with the spline shaft is formed in the upper surface of the friction cylinder, a friction wafer is fixedly connected to the outer circle surface of the friction cylinder, the brake assembly comprises a connecting frame and a friction, the circular groove is formed in the inner circular surface of the semicircular ring, the annular boss which is in contact with the circular groove is fixedly connected to the outer circular surface of the friction semicircular cylinder, and the friction semicircular sheet which is in contact with the friction circular sheet is fixedly connected to the inner circular surface of the friction semicircular cylinder.
Preferably, the outer circle surface of the rolling wheel and the side wall of the groove are both provided with friction layers, and each friction layer comprises at least one layer of glass fiber cloth.
Preferably, the lower surface of the outer shell is provided with a limiting ring, the limiting ring and the bearing groove are communicated, and the axes of the limiting ring and the bearing groove are coincident.
Preferably, the spline holes are communicated with the lower surface of the friction cylinder, the number of the friction discs is four, and the four friction discs are in a linear array along the axial direction of the friction cylinder.
Preferably, two connecting seats are fixedly connected to the two sides of the outer shell and close to the front side, holes in contact with bolts are formed in the connecting seats, the number of the outer shells is two, and two second connecting rods are fixedly connected between the outer shells through the bolts.
Preferably, the bottom of the second connecting rod is fixedly connected with a second connecting platform, one side of the second connecting platform, which is far away from the second connecting rod, is fixedly connected with a connecting sheet, two holes which are in contact with the bolts are formed in the connecting sheet, and the number of the second connecting rods is two.
Preferably, the number of the friction semicircular plates is four, the friction semicircular plates are in a linear array along the axis direction of the friction semicircular cylinder, and the number of the friction semicircular cylinders is four.
Preferably, the upper surface of the connecting frame is provided with two connecting holes, and a first connecting rod is fixedly connected between the two connecting frames through a nut.
Preferably, the bottom of the first connecting rod is fixedly connected with a first connecting table, and the lower surface of the first connecting table is fixedly connected with two connecting short rods.
Preferably, the outer surface of the outer shell is provided with a protective layer.
The invention discloses a wet type braking system of an urban rail vehicle, which has the following beneficial effects:
1. this urban rail vehicle wet braking system is through setting up the wheel that rolls, friction drum and friction semicircle tube, receive external force when the friction semicircle tube and make and contact between friction semicircle piece and the friction disk, the frictional force that produces between friction semicircle piece and the friction disk can restrict the rotation of the wheel that rolls, thereby can take place to slide between messenger's wheel that rolls and the recess, and the slip frictional force that produces between wheel that rolls and the recess can brake rail vehicle, the system has the function that can carry out the braking through frictional force to rail vehicle who traveles on the track main part.
2. This urban rail vehicle wet braking system is through setting up recess and roll wheel, because the quantity of recess and roll wheel is two, is in the both sides of track main part respectively, when brakies rail vehicle, and the slip between recess and the roll wheel can all produce the friction in the both sides of track main part, can brake rail vehicle more high-efficiently, and the system has can carry out the function of braking to rail vehicle more high-efficiently steadily.
3. This urban rail vehicle wet braking system is through setting up connecting seat, connecting hole, head rod and second connecting rod, fixes and can convenient to detach two shells through second connecting rod and bolt, fixes and can convenient to detach two links and four friction semicircles through head rod and nut, can conveniently overhaul this system like this, and the system has convenient to detach in order to reach the function of convenient to overhaul.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the brake of the present invention;
FIG. 4 is a schematic structural diagram of the outer casing of the present invention;
FIG. 5 is a schematic view of the rolling wheel structure of the present invention;
FIG. 6 is a schematic view of the friction cylinder of the present invention;
FIG. 7 is a schematic view of the brake assembly of the present invention;
FIG. 8 is a schematic view of a first connecting rod according to the present invention;
FIG. 9 is a schematic view of a second connecting rod according to the present invention.
In the figure: 1. a rail body; 101. a groove; 2. an outer housing; 201. a bearing groove; 202. a rolling bearing; 203. a limiting ring; 204. a connecting seat; 3. a rolling wheel; 301. a connecting shaft; 302. a support shaft; 303. a spline shaft; 4. a friction cylinder; 401. a splined bore; 402. rubbing the wafer; 5. a brake assembly; 6. a connecting frame; 601. a semicircular ring; 602. an annular groove; 603. connecting holes; 7. rubbing the semi-cylinder; 701. an annular boss; 702. rubbing the semicircular sheet; 8. a first connecting rod; 801. a first connection station; 802. connecting a short rod; 9. a second connecting rod; 901. a second connecting table; 902. and (7) connecting the sheets.
Detailed Description
The embodiment of the invention discloses a wet type braking system of an urban railway vehicle, which comprises an I-shaped railway main body 1 and a brake fixed at the bottom of the railway vehicle (not shown in the figure), wherein the I-shaped railway main body is provided with a brake groove; the stopper includes shell body 2 and brake assembly 5, and the both sides of track main part 1 are all seted up flutedly 101 (i.e. the two depressed parts of I shape), and bearing groove 201 has been seted up to the inside upper surface of shell body 2, fixedly connected with antifriction bearing 202 in the bearing groove 201, and antifriction bearing 202's outer lane contacts with bearing groove 201.
The limiting ring 203 is arranged on the lower surface of the outer shell 2, the limiting ring 203 and the bearing groove 201 are communicated, the axes of the limiting ring 203 and the bearing groove 201 coincide, the limiting ring 203 is arranged to limit the rolling bearing 202, the rolling bearing 202 is prevented from falling off from the bearing groove 201, the use of the rolling bearing 202 is not affected, and the outer shell 2 is rotatably connected with the rolling wheel 3 through the rolling bearing 202.
The upper surface fixedly connected with of rolling wheel 3 contacts connecting axle 301 with antifriction bearing 202, connecting axle 301 contacts with antifriction bearing 202's inner circle, the excircle surface of rolling wheel 3 contacts with the lateral wall of recess 101, the lateral wall of recess 101 and the excircle surface of rolling wheel 3 are all comparatively crude, when rolling wheel 3's rotation does not receive the restriction, rolling wheel 3 takes place to rotate with recess 101, can not brake rail vehicle, when rolling wheel 3's rotation receives the restriction, rolling wheel 3 takes place to slide with recess 101, the slip between the two can produce great relative frictional force, can brake rail vehicle. For example, the outer circumferential surface of the rolling wheel 3 and the side wall of the groove 101 may be provided with a friction layer, and the friction layer includes at least one layer of glass fiber cloth.
The top of connecting axle 301 is fixedly connected with support shaft 302, and the top of support shaft 302 is fixedly connected with integral key shaft 303, and rolling wheel 3 passes through integral key shaft 303 transmission and is connected with friction drum 4, sets up support shaft 302 and is for fixedly connecting integral key shaft 303 and can support friction drum 4.
The upper surface of the friction cylinder 4 is provided with a spline hole 401 which is in contact with the spline shaft 303, the spline hole 401 is communicated with the lower surface of the friction cylinder 4, the outer circle surface of the friction cylinder 4 is fixedly connected with four friction wafers 402, the surfaces of the friction wafers 402 are rough, the number of the friction wafers 402 is four, and the four friction wafers 402 are in a linear array along the axis direction of the friction cylinder 4.
The interior round surface fixedly connected with of friction semicircle tube 7 and the friction semicircle piece 702 that the friction disc 402 contacted, the surface of friction semicircle piece 702 is comparatively crude, the quantity of friction semicircle piece 702 is four, four friction semicircle pieces 702 are linear array along the axis direction of friction semicircle tube 7, when four friction semicircle pieces 702 contacted with four friction discs 402 respectively under the effect that receives the external force, because friction semicircle piece 702 and friction disc 402 all have higher roughness, produced frictional force between the two can make the rotation of rolling wheel 3 receive, make rolling wheel 3 take place to slide with recess 101, also can produce great frictional force, brake rail vehicle from coming, the quantity of friction semicircle tube 7 is four.
This system is through setting up rolling wheel 3, friction cylinder 4 and friction semicircle tube 7, receive external force when friction semicircle tube 7 and make and rub and contact between semicircle piece 702 and the friction disc 402, the frictional force that produces between friction semicircle piece 702 and the friction disc 402 can restrict the rotation of rolling wheel 3, thereby can take place to slide between messenger's rolling wheel 3 and the recess 101, and the sliding friction power that produces between rolling wheel 3 and the recess 101 can brake rail vehicle, the system has the function that can pass through frictional force and brake rail vehicle that traveles on track main part 1.
This system is through setting up recess 101 and rolling wheel 3, because the quantity of recess 101 and rolling wheel 3 is two, is in the both sides of track main part 1 respectively, when braking rail vehicle, the slip between recess 101 and the rolling wheel 3 can all produce the friction in the both sides of track main part 1, can brake rail vehicle more high-efficiently, and the system has can carry out the function of braking to rail vehicle more high-efficiently steadily.
Two connecting seats 204 are fixedly connected to two sides of the outer shell 2 and close to the front position, the number of the outer shell 2 is two, the two outer shells 2 are fixedly connected with a second connecting rod 9 through bolts, and the two outer shells 2 can be fixed and conveniently detached through the second connecting rod 9 and the bolts.
Connecting holes 603 have been seted up to the upper surface of link 6, and the quantity of link 6 is two, through nut fixedly connected with head rod 8 between two links 6, can fix just convenient to detach two links 6 and four friction semicircles 7 through head rod 8 and nut.
The bottom fixedly connected with first connection platform 801 of head rod 8, the lower fixed surface of first connection platform 801 is connected with two and connects quarter butt 802, the top of head rod 8 is connected with outside hydraulic system's pneumatic cylinder push rod, hydraulic system can make head rod 8 reciprocate, make hydraulic system work can drive reciprocating of friction semicircle tube 7 like this, two are connected quarter butt 802 and pass in the connecting hole 603 that two links 6 were seted up respectively, and connect the nut at the bottom threaded connection of quarter butt 802 for two, just can be with link 6 and friction semicircle tube 7 along with head rod 8 with outside hydraulic system fixed connection together.
This system is through setting up connecting seat 204, connecting hole 603, head rod 8 and second connecting rod 9, fix just can convenient to detach with two shells 2 through second connecting rod 9 and bolt, fix just can convenient to detach with two link 6 and four friction semicylinders 7 through head rod 8 and nut, can conveniently overhaul this system like this, and the system has convenient to detach in order to reach convenient to overhaul's function.
The working principle is as follows: this system is when using, fixes and fixes in rail vehicle bottom between two shells 2 through second connecting rod 9 and bolt, and convenient to detach in addition fixes and is connected with outside hydraulic system between two link 6 and four friction semicylinders 7 through head rod 8 and nut, convenient to detach moreover, can be convenient for dismantle the system like this when needs are maintained.
The outside hydraulic system work drives the removal of friction semicircle tube 7 and makes friction semicircle piece 702 and friction disc 402 contact, the friction that produces between the two can restrict the rotation of rolling wheel 3 to make rolling wheel 3 and recess 101 take place to slide and produce the slip frictional force, and then come to brake rail vehicle through the slip frictional force, and the quantity of rolling wheel 3 and recess 101 is two in addition, produced frictional force is respectively in the both sides of track main part 1, can be more high-efficient stable brake rail vehicle.
In addition, in order to improve the anti-rust performance and the wear resistance of the outer shell 2, a protective layer can be arranged on the outer surface of the outer shell 2, and the protective layer can be formed by coating the existing paint or special paint and can have a thickness of 150-; the special coating is composed of the following raw material components in parts by weight: 75 parts of modified water-based epoxy resin emulsion of the coating, 6 parts of zirconium phosphate, 7 parts of ultramarine, 5 parts of polyhexamethylene guanidine, 3.6 parts of barium petroleum sulfonate, 4.4 parts of lanoline magnesium soap, 3.5 parts of dodecenylsuccinic acid, 4.8 parts of glass flake, 9 parts of vinyl bis stearamide, 2.8 parts of glyceryl monostearate, 1.6 parts of emulsifier, 1.6 parts of dispersant, 1.2 parts of film-forming assistant, 1.0 part of flatting agent, 0.9 part of defoaming agent, 1.2 parts of surfactant and 18 parts of deionized water.
The modified waterborne epoxy resin emulsion can be prepared by the following method:
a. transferring the aqueous epoxy resin emulsion into a reaction kettle, adding a proper amount of glyceryl monostearate and deionized water into the reaction kettle, setting the temperature in the reaction kettle to 65 ℃, stirring for 4min at the speed of 300r/min by a stirrer, premixing toluene and epoxy resin, adding gamma-methacryloxypropyltrimethylsilane into the reaction kettle at the temperature, mixing and stirring for 7min at the speed of 150r/min, setting the temperature in the reaction kettle to 85 ℃ after mixing, reacting for 9h at the temperature, and marking the mixture as a mixed component in the reaction kettle after the reaction is finished;
b. cooling the mixed components in the reaction kettle to room temperature under natural conditions, then adjusting the pH of the mixed components to 7.5 by using an ammonia water solution with the concentration of 6.5%, and recording the obtained mixed components as a mixed solution;
c. heating the temperature of the mixed liquid in the reaction kettle to 75 ℃, adding 2-hydroxy-4-n-octoxy benzophenone, dibutyltin dilaurate and an initiator solution into the reaction kettle, and carrying out heat preservation reaction for 4 hours at the temperature of 75 ℃; and naturally cooling to room temperature, filtering and discharging to obtain the modified waterborne epoxy resin emulsion.
Wherein the emulsifier is monoglyceride fatty acid glyceride; the dispersant is glyceryl tristearate; the film-forming auxiliary agent is propylene glycol methyl ether acetate; the leveling agent is polymethyl alkyl siloxane; the defoaming agent is an organic silicon defoaming agent BYK-018; the surfactant is fatty acid sorbitan.
The coating can be prepared by the following method:
s1, accurately weighing the raw materials, respectively placing the solid raw materials into a grinding machine for grinding, and then sieving through a 180-mesh sieve to obtain fine powder of the solid raw materials; storing and standby;
s2, adding the modified waterborne epoxy resin emulsion into a reaction kettle, setting the temperature of the reaction kettle to 70 ℃, and then adding a surfactant, a dispersant and an emulsifier into the reaction kettle; after uniformly mixing and stirring, adding the fine powder of each solid raw material obtained in the step S1 into a reaction kettle while stirring, mixing and stirring at the speed of 180r/min for 7min, then adding all the rest raw materials into the reaction kettle, and uniformly mixing and stirring at the speed of 300r/min, wherein the mixture obtained in the reaction kettle is marked as a mixed component;
s3, measuring the viscosity value of the mixed component obtained in the step S2 by a 4-cup coating measurement method, ensuring that the viscosity of the mixed component is within 130S, and marking the obtained mixed component as a crude coating product;
s4, filtering the coating crude product obtained in the step S3 by using a fine mesh filter screen, then placing the product into a reaction kettle, setting the temperature in the reaction kettle to be 75 ℃, and then carrying out ultrasonic vibration treatment by using an ultrasonic vibration rod at the frequency of 28KHz until bubbles in the coating crude product are sufficiently expelled out;
and S5, detecting the physical and chemical properties of the coating in the S4, and packaging after the detection is qualified to obtain a finished coating product.
Finally, the principle and embodiments of the present invention are explained by using specific examples, and the above descriptions of the examples are only used to help understand the core idea of the present invention, and the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified examples also fall into the protection scope of the present invention.
Claims (10)
1. An urban rail vehicle wet braking system which characterized in that: the brake comprises an I-shaped track main body (1) and a brake fixed at the bottom of a railway vehicle, wherein the brake comprises a shell body (2) and a brake assembly (5), grooves (101) are formed in two sides of the track main body (1), a bearing groove (201) is formed in the upper surface inside the shell body (2), a rolling bearing (202) is fixedly connected in the bearing groove (201), the shell body (2) is rotatably connected with a rolling wheel (3) through the rolling bearing (202), the outer circle surface of the rolling wheel (3) is contacted with the side wall of the groove (101), a connecting shaft (301) contacted with the rolling bearing (202) is fixedly connected to the upper surface of the rolling wheel (3), a supporting shaft (302) is fixedly connected to the top of the connecting shaft (301), a spline shaft (303) is fixedly connected to the top of the supporting shaft (302), and a friction cylinder (4) is in transmission connection with the rolling wheel (3), the upper surface of the friction cylinder (4) is provided with a spline hole (401) which is in contact with the spline shaft (303), and the outer circle surface of the friction cylinder (4) is fixedly connected with a friction wafer (402);
brake subassembly (5) are including link (6) and friction semicircle tube (7), the equal fixedly connected with semicircle ring (601) in both ends of link (6), ring channel (602) have been seted up on the circle surface in semicircle ring (601), the excircle fixed surface of friction semicircle tube (7) is connected with annular boss (701) that contact with ring channel (602), friction semicircle piece (702) that the interior circle fixed surface of friction semicircle tube (7) is connected with and rubs disc (402) and contact.
2. An urban rail vehicle wet brake system according to claim 1, wherein: the outer circle surface of the rolling wheel (3) and the side wall of the groove (101) are provided with friction layers, and each friction layer comprises at least one layer of glass fiber cloth.
3. An urban rail vehicle wet brake system according to claim 1, wherein: the lower surface of the outer shell (2) is provided with a limiting ring (203), the limiting ring (203) and the bearing groove (201) are communicated, and the axes of the limiting ring and the bearing groove coincide.
4. An urban rail vehicle wet brake system according to claim 3, wherein: the spline holes (401) are communicated with the lower surface of the friction cylinder (4), the number of the friction discs (402) is four, and the four friction discs (402) are in a linear array along the axial direction of the friction cylinder (4).
5. An urban rail vehicle wet brake system according to claim 4, wherein: the quantity of shell body (2) is two, the both sides of shell body (2) just are close to its and another shell body (2) between the equal two connecting seats of fixedly connected with in position of connecting the face (204), set up the hole that contacts with the bolt on connecting seat (204), two through bolt fixedly connected with second connecting rod (9) between shell body (2).
6. An urban rail vehicle wet brake system according to claim 5, wherein: the bottom of the second connecting rod (9) is fixedly connected with a second connecting platform (901), one side of the second connecting platform (901), which is far away from the second connecting rod (9), is fixedly connected with a connecting sheet (902), two holes which are in contact with bolts are formed in the connecting sheet (902), and the number of the second connecting rods (9) is two.
7. An urban rail vehicle wet brake system according to claim 6, wherein: the friction semicircular plates (702) are four in number, the friction semicircular plates (702) are in linear array along the axis direction of the friction semicircular cylinders (7), and the friction semicircular cylinders (7) are four in number.
8. An urban rail vehicle wet brake system according to claim 7, wherein: connecting holes (603) are formed in the upper surface of the connecting frame (6), the number of the connecting frames (6) is two, and a first connecting rod (8) is fixedly connected between the two connecting frames (6) through nuts.
9. An urban rail vehicle wet brake system according to claim 8, wherein: the bottom of the first connecting rod (8) is fixedly connected with a first connecting table (801), and the lower surface of the first connecting table (801) is fixedly connected with two connecting short rods (802).
10. An urban rail vehicle wet brake system according to claim 1, wherein: the outer surface of the outer shell (2) is provided with a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180598.2A CN111267896B (en) | 2020-03-16 | 2020-03-16 | Wet type braking system of urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180598.2A CN111267896B (en) | 2020-03-16 | 2020-03-16 | Wet type braking system of urban rail vehicle |
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| Publication Number | Publication Date |
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| CN111267896A CN111267896A (en) | 2020-06-12 |
| CN111267896B true CN111267896B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010180598.2A Active CN111267896B (en) | 2020-03-16 | 2020-03-16 | Wet type braking system of urban rail vehicle |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640741A (en) * | 2004-01-15 | 2005-07-20 | 于君 | Train running at special rail road capable of having side guide rail at two sides and its special rail road |
| CN2769601Y (en) * | 2004-12-27 | 2006-04-05 | 煤炭科学研究总院太原分院 | Brake for coal mine underwell railless rubber tyre cart |
| CN201412463Y (en) * | 2009-06-19 | 2010-02-24 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet-type multi-plate brake |
| CN103912613A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wet multi-disc parking brake |
| KR20170002934A (en) * | 2015-06-30 | 2017-01-09 | 부산대학교 산학협력단 | Goods wagon |
| CN107415608A (en) * | 2017-05-18 | 2017-12-01 | 青岛四机设备工程有限公司 | A kind of APM trains engineering truck |
| CN107842567A (en) * | 2017-09-18 | 2018-03-27 | 河南理工大学 | Linear electric motors brake apparatus |
-
2020
- 2020-03-16 CN CN202010180598.2A patent/CN111267896B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640741A (en) * | 2004-01-15 | 2005-07-20 | 于君 | Train running at special rail road capable of having side guide rail at two sides and its special rail road |
| CN2769601Y (en) * | 2004-12-27 | 2006-04-05 | 煤炭科学研究总院太原分院 | Brake for coal mine underwell railless rubber tyre cart |
| CN201412463Y (en) * | 2009-06-19 | 2010-02-24 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet-type multi-plate brake |
| CN103912613A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wet multi-disc parking brake |
| KR20170002934A (en) * | 2015-06-30 | 2017-01-09 | 부산대학교 산학협력단 | Goods wagon |
| CN107415608A (en) * | 2017-05-18 | 2017-12-01 | 青岛四机设备工程有限公司 | A kind of APM trains engineering truck |
| CN107842567A (en) * | 2017-09-18 | 2018-03-27 | 河南理工大学 | Linear electric motors brake apparatus |
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| Publication number | Publication date |
|---|---|
| CN111267896A (en) | 2020-06-12 |
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