CN102815317B - Tread sweeper - Google Patents
Tread sweeper Download PDFInfo
- Publication number
- CN102815317B CN102815317B CN201210348977.3A CN201210348977A CN102815317B CN 102815317 B CN102815317 B CN 102815317B CN 201210348977 A CN201210348977 A CN 201210348977A CN 102815317 B CN102815317 B CN 102815317B
- Authority
- CN
- China
- Prior art keywords
- piston rod
- brake head
- cavity
- afterbody
- pin
- Prior art date
- 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.)
- Active
Links
- 241001417527 Pempheridae Species 0.000 title abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 10
- 229910052755 nonmetal Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention provides a tread sweeper, comprising a brake-shoe tray, a mounting seat and an air cylinder, wherein the air cylinder is provided with a piston rod and a swinging mechanism is arranged at the end part of the piston rod; the brake-shoe tray is movably connected with the piston rod through the swinging mechanism; and the brake-shoe tray can rotate in a small range corresponding to the piston rod. According to the tread sweeper disclosed by the invention, the existing structure is improved, so that the tread sweeper has the advantages of simpler structure, convenience for mounting and dismounting and high reliability.
Description
Technical field
The present invention relates to track traffic foundation brake system parts technical field, especially a kind of tread cleaner.
Background technology
The brake shoe of tread brake directly acts on 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 on high speed train, use are higher, and the tread cleaner dismounting difficulty, the reliability that on city rail, rolling stock, use are low.Therefore need to design a kind of simple in structure, easy accessibility, 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 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 forms, bearing pin is arranged in the pin-and-hole of brake head afterbody, the belleville spring matching with the circular slotted eye of brake head afterbody, versatile spindle is arranged 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, ball is clamped between the versatile spindle rear end indent conical surface and 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 to position ball, versatile spindle and Universal screw nail are all movable part, less with the area of contact of ball, ball is difficult to firm location, and Universal screw nail is positioned at piston rod middle part, dismounting and adjustment are all more difficult, have reduced work efficiency; On the other hand, when Universal screw nail has ensured that to the positive pressure of steel ball and dish spring Vehicular vibration impacts, brake head and brake shoe is firm, avoid brake head to clash into piston vibration of bar, Universal screw nail is positioned at piston rod inside, in the time that generation is loosening or other is abnormal, cannot discover and repair, can affect wheel and grind sub laminating, reduce the reliability of tread cleaner.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problems such as tread cleaner complex structure in prior art, dismounting difficulty, reliability be undesirable, a kind of tread cleaner is provided, simple in structure, easy accessibility, reliability are high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of tread cleaner, comprise brake head, mount pad and cylinder, and cylinder has piston rod, and swinging gear is equipped with in piston rod end, and brake head is actively coupled by swinging gear and piston rod;
Described swinging gear comprises spheroid, resistance pin and torsion bolt, the external part of described piston rod has cavity, on the sidewall at plunger position, there are two pin-and-holes that communicate with cavity that be oppositely arranged, brake head has the afterbody in the plunger of stretching into, the described afterbody position corresponding with the pin-and-hole of piston rod has a perforate, on brake head, offer a brake head towards the direction of afterbody vertically and reverse bolt mounting holes, described spheroid is placed in the cavity of piston rod, and between the end of brake head afterbody and the bottom surface of cavity, described resistance pin is inserted in pin-and-hole and perforate, on described resistance pin, there is a screw, described torsion bolt is located in brake head torsion bolt mounting holes and is threaded with the screw of resistance pin.
A kind of embodiment, the end face of described afterbody has afterbody circular arc concave surface, on described bottom surface, there is bottom circular arc concave surface, the non-metal cushion blocking that for reducing brake head, piston rod is impacted and reduced the vibration abrasion of the end of piston rod telescopic end is installed between described brake head and piston rod and mount pad, on described non-metal cushion blocking, there is the perforation of passing through for the afterbody of brake head.
Another kind of embodiment, the end of the afterbody of described brake head has a cavity, bearing pin is installed in described cavity and is placed in the disk spring between cavity bottom surface and bearing pin, described spheroid is placed between bearing pin and bottom, the end face of described bearing pin has bearing pin circular arc concave surface, and described bottom surface has bottom circular arc concave surface.
For protection resistance pin, described resistance pin outside face is provided with protection lining.Protection lining has lubricating effect, reduces the wearing and tearing of reversing bolt.
Between described piston rod and mount pad, be set with pilot bushing, pilot bushing and piston rod connect by flat key, the protruding tooth of pilot bushing outside face circumference uniform distribution, mount pad inside face has the groove coordinating with protruding tooth, between protruding tooth and groove can ± relatively rotate within the scope of 5 °.
Concrete, cylinder has piston and retracing spring, retracing spring be sleeved on 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.
Further, described flat key is the flat key with eave tile.
Described piston rod has technique cavity, and the cross section of described piston rod is H shape.
For preventing that dust from entering, between described brake head and mount pad, there is dustproof bellows.
On described brake head, be removably provided with and grind son, grinding sub end face is the arcwall face suitable with wheel tread.
The invention has the beneficial effects as follows, tread cleaner of the present invention, has improved existing structure, and simple in structure, easy accessibility, reliability are high.
Swinging gear is made up of spheroid, resistance pin and torsion bolt, simple in structure, by reversing bolt, brake head, resistance pin are connected as one, under the combined action of air pressure and wheel tread, whole swinging gear can be swung around piston rod trace, make to grind the wheel tread that is adjacent to of 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, find in time to reverse the loosening of bolt and other are abnormal, repair in time, ensure effective laminating of brake head and piston rod, improved the reliability of tread cleaner; Brake head is arc contact with contacting of piston rod, by the change of spheroid contact point in swing process, ensures that whole swinging gear closely connects in motion process, level and smooth nothing is impacted; Between brake head and piston rod and mount pad, be provided with in non-metal cushion blocking or brake head afterbody cavity elasticity dish spring is installed, in use, can reduce the impact of brake head to the part such as piston rod and mount pad, improve the service life of parts; Square key between piston rod and 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, piston teeter together, can avoid grinding son eccentric wear occurs, simultaneously, the installation direction of pilot bushing and mount pad capable of regulating on circumference, therefore this tread cleaner can be realized multidirectional suspension use.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the cutaway view of first embodiment of tread cleaner of the present invention;
Fig. 2 is the cutaway view of the another side of first embodiment of tread cleaner of the present invention;
Fig. 3 is the cutaway view of the mated condition of brake head and piston rod and swinging gear in first embodiment of the invention;
Fig. 4 is the cutaway view of the another side of the mated condition of brake head and piston rod and swinging gear in first embodiment of the invention;
Fig. 5 is the cutaway view of the brake head in first embodiment of the invention;
Fig. 6 is the block diagram of the brake head in first embodiment of the invention;
Fig. 7 is the block diagram of the non-metal cushion blocking in first embodiment of the invention;
Fig. 8 is the cutaway view of second embodiment of tread cleaner of the present invention;
Fig. 9 is the cutaway view of the another side of second embodiment of tread cleaner of the present invention;
Figure 10 is the cutaway view of the mated condition of brake head and piston rod and swinging gear in second embodiment of the invention;
Figure 11 is the cutaway view of the another side of the mated condition of brake head and piston rod and swinging gear in second embodiment of the invention;
Figure 12 is the block diagram of the piston rod in the present invention;
Figure 13 is the cutaway view of the mount pad in the present invention;
Figure 14 is the front view of the pilot bushing in the present invention;
Figure 15 is the block diagram of the pilot bushing in the present invention;
Figure 16 is the amplification stereogram of the flat key in the present invention.
In figure: 1. grind son, 2. brake head, 2-1. afterbody, 2-12. afterbody circular arc concave surface, 2-2. brake head reverses bolt mounting holes, 3. mount pad, 3-1. groove, 4. cylinder, 4-1. piston rod, 4-1-1. cavity, 4-1-2. bottom surface, 4-1-2-1. bottom circular arc concave surface, 4-1-3. pin-and-hole, 4-2. piston, 4-3 retracing spring, 5. swinging gear, 5-1. spheroid, 5-2. hinders pin, 5-2-1. screw, 5-3. reverses bolt, 5-4. protects lining, 5-5. bearing pin, 5-5-1. bearing pin circular arc concave surface, 5-6. disk spring, 6. pilot bushing, the protruding tooth of 6-1., 7. flat key, 8. non-metal cushion blocking, 8-1. perforation, 9. dustproof bellows.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1-7, first embodiment of tread cleaner of the present invention.
As shown in Figure 1, 2, comprise brake head 2, mount pad 3 and cylinder 4, on brake head 2, be removably provided with and grind son 1, the end face that grinds son 1 is arcwall face 1-1, cylinder 4 has piston rod 4-1, piston rod 4-1 is equipped with swinging gear 5 in end, brake head 2 is actively coupled with piston rod 4-1 by swinging gear 5, between brake head 2 and mount pad 3, there is dustproof bellows 9, 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.
As shown in Fig. 3,4,5,6,7; swinging gear 5 comprises spheroid 5-1, resistance pin 5-2 and reverses bolt 5-3, hinders pin 5-2 outside face and is provided with protection lining 5-4, and the external part of piston rod 4-1 has cavity 4-1-1; on piston rod 4-1, also have technique cavity 4-1-4, the cross section of piston rod 4-1 is H shape.Cavity 4-1-1 has bottom surface 4-1-2, on the sidewall at the cavity 4-1-1 position of piston rod 4-1, there are two through hole 4-1-3 that communicate with cavity 4-1-1 that be oppositely arranged, brake head 2 has the afterbody 2-1 stretching in piston rod 4-1 cavity 4-1-1, the afterbody 2-1 position corresponding with the through hole 4-1-3 of piston rod 4-1 has a perforate 2-1-1, on brake head 2, offer a brake head towards the direction of afterbody 2-1 vertically and reverse bolt mounting holes 2-2, spheroid 5-1 is between the end and bottom surface 4-12 of afterbody 2-1, resistance pin 5-2 is inserted in through hole 4-13 and perforate 2-1-1, resistance pin 5-2 middle part has a screw 5-2-1, torsion bolt 5-3 is located in brake head torsion bolt mounting holes 2-2 and is threaded with the screw 5-2-1 of resistance pin 5-2, the end face of afterbody 2-1 has afterbody circular arc concave surface 2-1-2, on the 4-1-2 of bottom surface, there is bottom circular arc concave surface 4-1-2-1, the non-metal cushion blocking 8 that for reducing brake head 2, piston rod 4-1 is impacted and reduced the vibration abrasion of the end of piston rod 4-1 telescopic end is installed between brake head 2 and piston rod 4-1 and mount pad 3, on non-metal cushion blocking 8, there is the perforation 8-1 passing through for the afterbody 2-1 of brake head 2.
Shown in Figure 12,13,14,15 and 16, between piston rod 4-1 and mount pad 3, be set with pilot bushing 6, pilot bushing 6 and piston rod 4-1 connect by flat key 7, flat key 7 is for having the flat key 7 of eave tile, the protruding tooth 6-1 of pilot bushing 6 outside face circumference uniform distribution, mount pad 3 inside faces have the groove 3-1 coordinating with protruding tooth 6-1, between protruding tooth 6-1 and groove 3-1 can ± relatively rotate within the scope of 5 °.
As shown in Fig. 8-11, second embodiment of tread cleaner of the present invention, be with the difference of first embodiment: the end of the afterbody 2-1 of brake head 2 has a cavity 2-1-3, bearing pin 5-5 is installed in cavity 2-1-3 and be placed in cavity 2-1-3 bottom surface and bearing pin 5-5 between disk spring 5-6, spheroid 5-1 is placed between bearing pin 5-5 and bottom surface 4-1-2, the end face of bearing pin 5-5 has bearing pin circular arc concave surface 5-5-1, and bottom surface 4-1-2 has bottom circular arc concave surface 4-1-2-1.
The principle of work of tread cleaner of the present invention:
In the time that 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 promotes piston rod 4-1, brake head 2 and grinds son 1 and stretch out forward along the square key on pilot bushing 6, and grinding is pressed and is attached on wheel tread, realizes the cleaning tackify that grinds 1 pair of wheel tread of son.In the time grinding son 1 center of arc and wheel center be not on sustained height, grind the arcwall face 1-1 of son 1 can not be completely and wheel tread fit.In this case, first upper end or the lower end of grinding son 1 will contact wheel, now under atmospheric pressure and wheel tread combined action, grinding son 1 promotion brake head 2 rotates around resistance pin 52, thereby spheroid 51 and the contact point of brake head 2 or bearing pin 55 are also changed, farthest fit with wheel tread until turn to grinding son 1; By non-metal cushion blocking 8 or elasticity dish spring 5-6, can reduce the impact of brake head 2 to parts such as piston rod 4-1 and mount pads 3, the service life of having improved parts simultaneously.Due to installation, assembly error, lateral direction of car vibration etc. can make to grind son 1 and have lateral deviation with wheel tread position, under the effect of brake head 2, can make pilot bushing 6 in the interior generation teeter of mount pad 3, ensure 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, safe and reliable.
Grind son and be removably mounted on brake head, by using, realize the cleaning tackify to wheel tread together with whole tread cleaner.Generally grind son 1 and its tread cleaner part and separately manufacture, can distribution or entirety sell, technical scheme of the present invention is that its tread cleaner part is improved, and entirety after its combination also falls into protection scope of the present invention.
Claims (10)
1. a tread cleaner, comprise brake head (2), mount pad (3) and cylinder (4), cylinder (4) has piston rod (4-1), the external part of piston rod (4-1) is equipped with swinging gear (5), and brake head (2) is actively coupled by swinging gear (5) and piston rod (4-1);
Described swinging gear (5) comprises spheroid (5-1), the external part of the piston rod (4-1) described in resistance pin (5-2) has cavity (4-1-1), on the sidewall at piston rod (4-1) cavity (4-1-1) position, there are two pin-and-holes (4-1-3) that communicate with cavity (4-1-1) that be oppositely arranged, brake head (2) has the afterbody (2-1) stretching in piston rod (4-1) cavity (4-1-1), described afterbody (2-1) position corresponding with the pin-and-hole (4-1-3) of piston rod (4-1) has a perforate (2-1-1), described spheroid (5-1) is placed in the cavity (4-1-1) of piston rod (4-1), and be positioned between the end of brake head (2) afterbody (2-1) and the bottom surface (4-1-2) of cavity (4-1-1), described resistance pin (5-2) is inserted in pin-and-hole (4-1-3) and perforate (2-1-1), it is characterized in that:
Described swinging gear also comprises torsion bolt, on described brake head (2), offer a brake head towards the direction of afterbody (2-1) vertically and reverse bolt mounting holes (2-2), on described resistance pin (5-2), have a screw (5-2-1), described torsion bolt (5-3) is located in brake head torsion bolt mounting holes (2-2) and is threaded with the screw (5-2-1) of resistance pin (5-2).
2. tread cleaner as claimed in claim 1, it is characterized in that: the end face of described afterbody (2-1) has afterbody circular arc concave surface (2-1-2), on described bottom surface (4-1-2), there is bottom circular arc concave surface (4-1-2-1), between described brake head (2) and piston rod (4-1) and mount pad (3), non-metal cushion blocking (8) is installed, on described non-metal cushion blocking (8), there is the perforation (8-1) of passing through for the afterbody (2-1) of brake head (2).
3. tread cleaner as claimed in claim 1, it is characterized in that: the end of the afterbody (2-1) of described brake head (2) has a cavity (2-1-3), bearing pin (5-5) is installed in described cavity (2-1-3) and be placed in cavity (2-1-3) bottom surface and bearing pin (5-5) between disk spring (5-6), described spheroid (5-1) is placed between bearing pin (5-5) and bottom surface (4-1-2), the end face of described bearing pin (5-5) has bearing pin circular arc concave surface (5-5-1), described bottom surface (4-1-2) has bottom circular arc concave surface (4-1-2-1).
4. tread cleaner as claimed in claim 2 or claim 3, is characterized in that: described resistance pin (5-2) outside face is provided with protection lining (5-4).
5. tread cleaner as claimed in claim 1, it is characterized in that: between described piston rod (4-1) and mount pad (3), be set with pilot bushing (6), 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) coordinating with protruding tooth (6-1), between protruding tooth (6-1) and groove (3-1) can ± relatively rotate within the scope of 5 °.
6. tread cleaner as claimed in claim 5, it is characterized in that: cylinder (4) has piston (4-2) and retracing spring (4-3), 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).
7. tread cleaner as claimed in claim 5, is characterized in that: described flat key (7) is for having the flat key (7) of eave tile.
8. tread cleaner as claimed in claim 1, is characterized in that: described piston rod (4-1) has technique cavity (4-1-4), and the cross section of described piston rod (4-1) is H shape.
9. tread cleaner as claimed in claim 1, is characterized in that: between described brake head (2) and mount pad (3), have dustproof bellows (9).
10. tread cleaner as claimed in claim 1, it is characterized in that: on described brake head (2), be removably provided with and grind son (1), the end face that grinds son (1) is the arcwall face (1-1) suitable with wheel tread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348977.3A CN102815317B (en) | 2012-09-19 | 2012-09-19 | Tread sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348977.3A CN102815317B (en) | 2012-09-19 | 2012-09-19 | Tread sweeper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102815317A CN102815317A (en) | 2012-12-12 |
| CN102815317B true CN102815317B (en) | 2014-12-10 |
Family
ID=47299861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348977.3A Active CN102815317B (en) | 2012-09-19 | 2012-09-19 | Tread sweeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102815317B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638188B (en) * | 2016-12-02 | 2018-05-04 | 常州中车铁马科技实业有限公司 | A kind of two-way tread sweeping device |
| CN107600036B (en) * | 2017-09-19 | 2020-01-17 | 中车株洲电力机车有限公司 | Grind son switching device and tread sweeper |
| CN113120022A (en) * | 2019-12-30 | 2021-07-16 | 常州中车铁马科技实业有限公司 | Tread brake |
| CN111824074B (en) * | 2020-07-17 | 2022-11-18 | 中车制动系统有限公司 | Tread sweeper |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2305104A1 (en) * | 1973-02-02 | 1974-08-08 | Bergische Stahlindustrie | DEVICE FOR CLEANING THE RUNNING SURFACES OF RAIL VEHICLE WHEELS |
| CN2551527Y (en) * | 2002-06-21 | 2003-05-21 | 株洲电力机车厂 | Tread cleaner of railway locomotive |
| CN201083243Y (en) * | 2007-09-25 | 2008-07-09 | 常州市铁马科技实业有限公司 | Tread sweeping device |
| CN201109417Y (en) * | 2007-09-25 | 2008-09-03 | 常州市铁马科技实业有限公司 | Tread cleaner clearance adjusting device |
| CN201183495Y (en) * | 2008-01-23 | 2009-01-21 | 常州市铁马科技实业有限公司 | Tread sweeper |
| CN201272367Y (en) * | 2008-09-12 | 2009-07-15 | 南车四方机车辆股份有限公司 | Tackifying tread cleaning device |
| CN201494411U (en) * | 2009-07-29 | 2010-06-02 | 常州市铁马科技实业有限公司 | Assembling and disassembling structure of grinding device for tread cleaner for trains |
| CN202806782U (en) * | 2012-09-19 | 2013-03-20 | 常州南车铁马科技实业有限公司 | Tread cleaner |
-
2012
- 2012-09-19 CN CN201210348977.3A patent/CN102815317B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102815317A (en) | 2012-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102815317B (en) | Tread sweeper | |
| CN102019940B (en) | Traction device and rail car | |
| CN201512369U (en) | Bearing traction pin mechanism capable of carrying out rotation with multiple freedom degree | |
| CN108146462A (en) | Bogie frame | |
| CN102390395A (en) | Horizontal buffer for locomotive bogie | |
| CN211487954U (en) | Lining plate device of ball mill | |
| CN202806783U (en) | Tread cleaning device for rail transit | |
| CN202006800U (en) | Rotary vehicle coupler for railway vehicle | |
| CN202806782U (en) | Tread cleaner | |
| CN2887695Y (en) | Low floor light railway train independent rotary wheel bogie | |
| CN202243510U (en) | Transverse bumper for locomotive bogie | |
| CN204452586U (en) | Double wish-bone arm type suspension steering swivel | |
| CN201410853Y (en) | Multi-functional assembly, disassembly and test device for railroad locomotive wheelset | |
| CN207157217U (en) | Bogie of car draw-gear and vehicle | |
| CN110774850A (en) | Leaf spring expansion end support assembly | |
| CN202491897U (en) | Single-arm front suspension mechanism | |
| CN208827482U (en) | A kind of super-micro electric car front driving axle | |
| CN2291348Y (en) | Gravity vehicle retarder | |
| CN204037708U (en) | A kind of cabin front suspension puts system | |
| CN202480814U (en) | Modified ball head type swing arm lining | |
| CN207241298U (en) | A kind of train wheel rim device for reducing side grinding between wheel rim and rail | |
| CN215041914U (en) | Triangular arm | |
| CN206125015U (en) | Electricelectric moves harbour tractor front axle steering mechanism | |
| CN214607525U (en) | Rotating hinge structure with cushion block | |
| CN206012249U (en) | A kind of top link of adjustable automotive wheel camber angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| CP03 | Change of name, title or address |