CN202806783U - Tread cleaning device for rail transit - Google Patents
Tread cleaning device for rail transit Download PDFInfo
- Publication number
- CN202806783U CN202806783U CN201220479413.9U CN201220479413U CN202806783U CN 202806783 U CN202806783 U CN 202806783U CN 201220479413 U CN201220479413 U CN 201220479413U CN 202806783 U CN202806783 U CN 202806783U
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- China
- Prior art keywords
- piston rod
- brake head
- tread
- track traffic
- rotary liner
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- Expired - Lifetime
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Abstract
The utility model relates to the technical field of a component part for a vehicle basic brake system for rail transit, in particular to a tread cleaning device for rail transit. The tread cleaning device for rail transit comprises a brake shoe support, a mounting seat and an air cylinder, wherein the air cylinder is provided with a piston rod, the extending end of the piston rod is provided with a swinging mechanism, and the brake shoe support is movably connected with the piston rod by the swinging mechanism. The tread cleaning device for rail transit has the advantages that the existing structure is improved, the structure is simple, the disassembly and the assembly are convenient, and the reliability is high.
Description
Technical field
The utility model relates to track traffic foundation brake system parts technical field, especially a kind of track traffic tread cleaner.
Background technology
The brake shoe of tread brake directly acts on the wheel tread, the have some improvement effect of wheel rail adhesion, pickup sweeper wheel tread of tool; Disc braking lacks the cleaning to wheel tread, has certain low adhesion hidden danger, therefore must take certain tackify measure.The tread cleaner complex structure, the cost that use on the high speed train are higher, and the tread cleaner dismounting of using on the city rail, rolling stock difficulty, reliability are low.Therefore need a kind of simple in structure, easy accessibility of design, tread cleaner that reliability is high.
China Patent No.: 02224307.0 discloses a kind of tread cleaner of rail vehicles, comprise brake shoe, brake head, turn to regulating mechanism, cylinder, described brake head have one stretch in the cylinder piston and with the afterbody of the concentricity line of piston, the forebody of afterbody has a horizontal vertical in the pin-and-hole of line of centers, latter half ofly have a circular slotted eye along centerline direction, turn to regulating mechanism by bearing pin, belleville spring, versatile spindle, ball, Universal screw nail consists of, bearing pin is installed in the pin-and-hole of brake head afterbody, the belleville spring that is complementary with the circular slotted eye of brake head afterbody, versatile spindle is installed in this circle slotted eye successively, its versatile spindle rear end is the indent conical surface, Universal screw nail is installed on the bottom centre of cylinder piston, its front end face is the indent conical surface, and ball is clamped between the versatile spindle rear end indent conical surface and the Universal screw nail front end inner conical surface.
The ball of the tread cleaner of this structure is between versatile spindle and Universal screw nail, utilize Universal screw nail that ball is positioned, versatile spindle and Universal screw nail all are movable part, less with the area of contact of ball, ball is difficult to firm location, and Universal screw nail is positioned at the piston rod middle part, and dismounting and adjustment are all relatively more difficult, have reduced work efficiency; On the other hand, brake head and brake shoe was firm when Universal screw nail had guaranteed that to the positive pressure of steel ball and dish spring Vehicular vibration impacts, avoided brake head that the piston vibration of bar is clashed into, Universal screw nail is positioned at piston rod inside, when occuring loosening or other is when unusual, can't discover and repair, can affect wheel and the applying of grinding son, reduce the reliability of tread cleaner.
The utility model content
Technical problem to be solved in the utility model is: be complex structure, dismounting difficulty, the undesirable technical matters of reliability that solves present tread cleaner, the utility model provides a kind of track traffic tread cleaner, simple in structure, easy accessibility, safe and reliable.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of track traffic tread cleaner, comprise brake head, mount pad and cylinder, cylinder has piston rod, the piston rod external part is equipped with swinging gear, brake head is actively coupled by swinging gear and piston rod, and brake head can rotate by a small margin with respect to piston rod;
Described swinging gear comprises rotary liner, hinder pin and reverse bolt, the external part of piston rod has cavity, brake head has the cambered surface of the indent that matches with the rotary liner cylindrical, have two pin-and-holes that communicate with cavity that be oppositely arranged on the sidewall of the re-entrant portion of piston rod, rotary liner is arranged on the cavity of piston rod, resistance pin is inserted in rotary liner and two pin-and-holes, have screw on the resistance pin, offer respectively on brake head and the rotary liner that brake head reverses bolt mounting holes and rotary liner reverses bolt mounting holes, reverse bolt and be located in that brake head reverses bolt mounting holes and rotary liner reverses in the bolt mounting holes, and be threaded with screw on the resistance pin.
Be set with pilot bushing between piston rod and the mount pad, pilot bushing and piston rod connect by flat key, the protruding tooth of pilot bushing outside face circumference uniform distribution, and the mount pad inside face has the groove that cooperates with protruding tooth, relatively rotates in energy ± 5 ° of scopes between protruding tooth and the groove.Because pilot bushing and mount pad pass through protruding tooth and the groove fit of circumference uniform distribution, therefore, the installation direction of pilot bushing and mount pad capable of regulating on circumference, therefore, this track traffic can be finished multidirectional suspension with tread cleaner and use.
Cylinder has piston and retracing spring, retracing spring be sleeved on the piston rod and two ends respectively against pilot bushing and piston, under the spring-force driven dual of retracing spring, can prevent that pilot bushing from skidding off from the groove of mount pad.
Described flat key is the flat key with gib head.
Be equipped with between described brake head and piston rod and the mount pad for reducing the non-metal cushion blocking of brake head to the vibration abrasion of the end of piston rod impact and minimizing piston rod external part, the non-metal cushion blocking has the inner concave that matches with the rotary liner cylindrical, and the non-metal cushion blocking offers be used to reversing the absorbing pad that bolt passes and turns round the dress bolt mounting holes.
For preventing that dust from entering, dustproof bellows is arranged between described brake head and the mount pad.
Removably be equipped with on the brake head and grind son, the end face that grinds son is the arcwall face suitable with wheel tread.
Described piston rod is hollow tubular structure.
The beneficial effects of the utility model are: track traffic tread cleaner of the present utility model, improved existing structure, and simple in structure, easy accessibility, reliability are high.
Swinging gear is by rotary liner, resistance is sold and is reversed bolt and forms, simple in structure, by reversing bolt with brake head, rotary liner, the resistance pin connects as one, when grinding can not be adjacent to wheel tread, under the combined action of air pressure and wheel tread, whole swinging gear can be swung around the piston rod trace, make the wheel tread that is adjacent to that grinds sub-maximum area, changing the grinding period of the day from 11 p.m. to 1 a.m, can carry out visual inspection to the state that reverses bolt, in time find to reverse the loosening of bolt and other are unusual, in time repair, guarantee effective applying of brake head and piston rod, improved the reliability of tread cleaner; The non-metal cushion blocking is installed between brake head and piston rod and the mount pad, in use, can reduces brake head to the impact of the parts such as piston rod and mount pad, improve the service life of parts; Square key between piston rod and the pilot bushing has avoided piston rod to rotate in operational process; Because pilot bushing and mount pad are by the protruding tooth of circumference uniform distribution and the free-running fit of groove, grind son, together teeter of piston, can avoid grinding son eccentric wear occurs, simultaneously, the installation direction of pilot bushing and mount pad capable of regulating on circumference, so this tread cleaner can be realized multidirectional suspension use.
Description of drawings
Fig. 1 is the cutaway view that the specific embodiment of tread cleaner is used in track traffic of the present utility model;
Fig. 2 is track traffic of the present utility model with the cutaway view at another visual angle of the specific embodiment of tread cleaner;
Fig. 3 is the structural representation of the swinging gear in the utility model;
Fig. 4 is the block diagram of the brake head in the utility model;
Fig. 5 is the block diagram of the non-metal cushion blocking in the utility model;
Fig. 6 is the front view of the pilot bushing in the utility model;
Fig. 7 is the block diagram of the pilot bushing in the utility model;
Fig. 8 is the structural representation of the flat key in the utility model;
Fig. 9 is the structural representation of the mount pad in the utility model;
Figure 10 is the block diagram of the piston rod in the utility model.
Among the figure: 1. grind son, the 1-1. arcwall face, 2. brake head, the 2-1. cambered surface, the 2-2. brake head reverses bolt mounting holes, 3. mount pad, 3-1. groove, 4. cylinder, 4-1. piston rod, 4-1-1. pin-and-hole, 4-1-2. cavity, 4-2. piston, 4-3. retracing spring, 5. swinging gear, the 5-1. rotary liner, 5-2. hinders pin, the 5-2-1. screw, 5-3. reverse bolt, 6. pilot bushing, the protruding tooth of 6-1., 7. flat key, 8. non-metal cushion blocking, the 8-1. inner concave, the 8-2. absorbing pad is turned round the dress bolt mounting holes, 9. dustproof bellows.
The specific embodiment
Track traffic of the present utility model shown in Fig. 1～10 specific embodiment of tread cleaner, comprise brake head 2, mount pad 3 and cylinder 4, dustproof bellows 9 is arranged between brake head 2 and the mount pad 3, removably install on the brake head 2 and grind son 1, the end face that grinds son 1 is the arcwall face 1-1 with the suitable indent of wheel tread, cylinder 4 has piston rod 4-1, and piston rod 4-1 external part is equipped with swinging gear 5, and brake head 2 is actively coupled with piston rod 4-1 by swinging gear 5;
Fig. 1,2,3, shown in 4, swinging gear 5 comprises rotary liner 5-1, resistance is sold 5-2 and is reversed bolt 5-3, the external part of piston rod 4-1 has cavity 4-1-2, preferably shown in Figure 10, piston rod 4-1 is hollow tubular structure, brake head 2 has the cambered surface 2-1 of the indent that matches with rotary liner 5-1 cylindrical, have two pin-and-hole 4-11 that communicate with cavity 4-1-2 that be oppositely arranged on the sidewall at the cavity 4-1-2 position of piston rod 4-1, rotary liner 5-1 is arranged on the cavity 4-1-2 of piston rod 4-1, resistance pin 5-2 is inserted among rotary liner 5-1 and two the pin-and-hole 4-1-1, have screw 5-2-1 on the resistance pin 5-2, offer respectively on brake head 2 and the rotary liner 5-1 that brake head reverses bolt mounting holes 2-2 and rotary liner reverses bolt mounting holes 5-1-1, reverse bolt 5-3 and be located in that brake head reverses bolt mounting holes 2-2 and rotary liner reverses among the bolt mounting holes 5-1-1, and be threaded with screw 5-2-1 on the resistance pin 5-2, be set with pilot bushing 6 between piston rod 4-1 and the mount pad 3, cylinder 4 has piston 4-2 and retracing spring 4-3, retracing spring 4-3 is sleeved on the piston rod 4-1, and two ends are respectively against pilot bushing 6 and piston 4-2, under the spring-force driven dual of retracing spring 4-3, can prevent that mount pad 3 and pilot bushing 6 from relatively rotating; Because pilot bushing 6 cooperates with groove 3-1 with the protruding tooth 6-1 of mount pad 3 by circumference uniform distribution, therefore, installation direction capable of regulating on circumference of pilot bushing 6 and mount pad 3, therefore, this track traffic can be finished multidirectional suspension with tread cleaner and use.
Fig. 5,6,7,8, shown in 9, between brake head 2 and piston rod 4-1 and the mount pad 3 non-metal cushion blocking 8 is installed, non-metal cushion blocking 8 has the inner concave 8-1 that matches with rotary liner 5-1 cylindrical, non-metal cushion blocking 8 offers be used to reversing the absorbing pad that bolt 5-3 passes and turns round dress bolt mounting holes 8-2, pilot bushing 6 and piston rod 4-1 connect by flat key 7, flat key 7 is for having the flat key 7 of gib head, the protruding tooth 6-1 of pilot bushing 6 outside face circumference uniform distributions, mount pad 3 inside faces have the groove 3-1 that cooperates with protruding tooth 6-1, can realize between protruding tooth 6-1 and the groove 3-1 relatively rotating in ± 5 ° of scopes.
The principle of work of tread cleaner of the present utility model:
When the needs tread cleaner is worked, be filled with pressurized air from the admission port of tread cleaner cylinder head.Under gas pressure, piston 4-2 pushing piston bar 4-1, brake head 2 and grinding son 1 stretch out forward along the square key on the pilot bushing 6, will grind the son pressure and be attached on the wheel tread, realize the cleaning tackify of 1 pair of wheel tread of grinding.When the center of arc of grinding son 1 when wheel center is not on sustained height, the arcwall face 1-1 that grinds son 1 can not be fully and the wheel tread applying.In this case, upper end or the lower end of grinding son 1 will at first contact wheel, grind that son 1 promotes brake head 2 and whole swinging gear rotates around resistance pin 5-2 this moment under atmospheric pressure and wheel tread combined action, grind son 1 and farthest fit with wheel tread until turn to; By non-metal cushion blocking 8, can reduce the impact of the parts such as 2 couples of piston rod 4-1 of brake head and mount pad 3, the service life of having improved parts simultaneously.Because installation, assembly error, lateral direction of car vibration etc. can make grinding son 1 have lateral deviation with the wheel tread position, under the effect of brake head 2, can make pilot bushing 6 in mount pad 3 interior generation teeters, guarantee to grind the horizontal position of son 1 and wheel tread, avoid grinding the eccentric wear of son 1, reduce the vibratory impulse to whole tread cleaner.This tread cleaner is simple and compact for structure, and effect is efficient, and is safe and reliable.
Grind son and be removably mounted on the brake head, by using with whole tread cleaner, realize the cleaning tackify to wheel tread.Grind generally speaking son and its tread cleaner and partly separately make, but distribution or whole the sale, and technical scheme of the present invention is that its tread cleaner is partly improved, and the integral body after its combination also falls into protection scope of the present invention.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification sheets, must determine its technical scope according to the claim scope.
Claims (8)
1. track traffic tread cleaner, comprise brake head (2), mount pad (3) and cylinder (4), cylinder (4) has piston rod (4-1), piston rod (4-1) external part is equipped with swinging gear (5), and brake head (2) is actively coupled by swinging gear (5) and piston rod (4-1); It is characterized in that:
Described swinging gear (5) comprises rotary liner (5-1), resistance is sold (5-2) and is reversed bolt (5-3), the external part of piston rod (4-1) has cavity (4-1-2), brake head (2) has the cambered surface (2-1) of the indent that matches with rotary liner (5-1) cylindrical, have two pin-and-holes (4-1-1) that communicate with cavity (4-1-2) that be oppositely arranged on the sidewall at cavity (4-1-2) position of piston rod (4-1), rotary liner (5-1) is arranged on the cavity (4-1-2) of piston rod (4-1), resistance pin (5-2) is inserted in rotary liner (5-1) and two pin-and-holes (4-1-1), have screw (5-2-1) on the resistance pin (5-2), offer respectively on brake head (2) and the rotary liner (5-1) that brake head reverses bolt mounting holes (2-2) and rotary liner reverses bolt mounting holes (5-1-1), reverse bolt (5-3) and be located in that brake head reverses bolt mounting holes (2-2) and rotary liner reverses in the bolt mounting holes (5-1-1), and be threaded with screw (5-2-1) on the resistance pin (5-2).
2. track traffic tread cleaner according to claim 1, it is characterized in that: be set with pilot bushing (6) between piston rod (4-1) and the mount pad (3), pilot bushing (6) and piston rod (4-1) connect by flat key (7), the protruding tooth of pilot bushing (6) outside face circumference uniform distribution (6-1), mount pad (3) inside face has the groove (3-1) that cooperates with protruding tooth (6-1), relatively rotates in energy ± 5 ° of scopes between protruding tooth (6-1) and the groove (3-1).
3. track traffic tread cleaner according to claim 2, it is characterized in that: cylinder (4) has piston (4-2) and retracing spring (4-3), and retracing spring (4-3) is sleeved on the upper and two ends of piston rod (4-1) respectively against pilot bushing (6) and piston (4-2).
4. track traffic tread cleaner according to claim 2 is characterized in that: described flat key (7) is for having the flat key (7) of gib head.
5. track traffic tread cleaner according to claim 1, it is characterized in that: between described brake head (2) and piston rod (4-1) and the mount pad (3) non-metal cushion blocking (8) is installed, non-metal cushion blocking (8) has the inner concave (8-1) that matches with rotary liner (5-1) cylindrical, and non-metal cushion blocking (8) offers be used to reversing the absorbing pad that bolt (5-3) passes and turns round dress bolt mounting holes (8-2).
6. track traffic tread cleaner according to claim 1 is characterized in that: between described brake head (2) and the mount pad (3) dustproof bellows (9) is arranged.
7. track traffic tread cleaner according to claim 1, it is characterized in that: removably be equipped with on the described brake head (2) and grind son (1), the end face that grinds son (1) is the arcwall face (1-1) suitable with wheel tread.
8. track traffic tread cleaner according to claim 1, it is characterized in that: described piston rod (4-1) is hollow tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479413.9U CN202806783U (en) | 2012-09-19 | 2012-09-19 | Tread cleaning device for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479413.9U CN202806783U (en) | 2012-09-19 | 2012-09-19 | Tread cleaning device for rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806783U true CN202806783U (en) | 2013-03-20 |
Family
ID=47865710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220479413.9U Expired - Lifetime CN202806783U (en) | 2012-09-19 | 2012-09-19 | Tread cleaning device for rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476765A (en) * | 2016-12-08 | 2017-03-08 | 常州中车铁马科技实业有限公司 | A kind of Universal base tread sweeping device |
| CN108001469A (en) * | 2017-11-14 | 2018-05-08 | 西安铁路局西安动车段 | One kind is used for EMU tread cleaner automatic exhaust system |
| CN112758050A (en) * | 2019-11-04 | 2021-05-07 | 常州中车铁马科技实业有限公司 | End cover assembly, pneumatic driving device, wheel tread cleaning device and railway vehicle |
-
2012
- 2012-09-19 CN CN201220479413.9U patent/CN202806783U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476765A (en) * | 2016-12-08 | 2017-03-08 | 常州中车铁马科技实业有限公司 | A kind of Universal base tread sweeping device |
| CN108001469A (en) * | 2017-11-14 | 2018-05-08 | 西安铁路局西安动车段 | One kind is used for EMU tread cleaner automatic exhaust system |
| CN108001469B (en) * | 2017-11-14 | 2019-05-03 | 西安铁路局西安动车段 | One kind being used for EMU tread cleaner automatic exhaust system |
| CN112758050A (en) * | 2019-11-04 | 2021-05-07 | 常州中车铁马科技实业有限公司 | End cover assembly, pneumatic driving device, wheel tread cleaning device and railway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Jiangsu Province, Changzhou New District Xue Zhen Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |