CN205745026U - A kind of rail vehicle braking clamp - Google Patents
A kind of rail vehicle braking clamp Download PDFInfo
- Publication number
- CN205745026U CN205745026U CN201520968302.8U CN201520968302U CN205745026U CN 205745026 U CN205745026 U CN 205745026U CN 201520968302 U CN201520968302 U CN 201520968302U CN 205745026 U CN205745026 U CN 205745026U
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- China
- Prior art keywords
- caliper
- hole
- rotor housing
- bank rotor
- axle sleeve
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- Withdrawn - After Issue
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Abstract
A kind of rail vehicle braking clamp, the cylinder body of oil cylinder includes front-bank rotor housing and rear-bank rotor housing, front-bank rotor housing and the axial attaching of rear-bank rotor housing, piston bush is contained on return piston, the stepped hole of return piston is stretched out in one end of regulation axle, the other end inserts in the axle sleeve hole of axle sleeve, and threaded with the axle sleeve hole of axle sleeve, caliper mechanism includes the first caliper, second caliper, bearing pin is installed, mounting seat and gripper shoe, on, the outside of lower supporting plate further respectively has, lower two bearing pins and upper are installed, lower two brake lining bearing pins, it is arranged on the first caliper and the second caliper brake lining bearing pin axial limiting, there are on first caliper several oil cylinder installing holes and an oil cylinder regulation axle penetrates hole.The logical oil of this utility model is alleviated, and braking of draining the oil is safer, is provided with manual gap adjusting mechanism in oil cylinder, simple in construction, is not susceptible to fault, safeguards the most comparatively simple, and the parts of caliper mechanism are simple solid, easily, intensity is high in assembling, will not be with the situation of brake disc generation beat.
Description
Technical field
This utility model belongs to brake rigging technical field, is specifically related to a kind of brake clamp for rail vehicle.
Background technology
Existing track traffic brake clamp, mostly uses active brake clamp, and this clamp leads to oil brake, alleviations of draining the oil, but this just cannot complete to brake once break down at brake clamp oil circuit in the course of the work, the most dangerous；For passive braking clamp, i.e. logical oil is alleviated, drain the oil braking brake clamp, energy storage stroke within brake clamp is limited must use gap adjusting mechanism, but for using the brake clamp under high velocity environment, conventional gap governor motion is susceptible to fault, the internal structure of its complexity also makes maintenance the most loaded down with trivial details, and the caliper mechanism of passive type clamp and cylinder block shape are the most complex typically, assembly difficulty is big, make form of the most essentially casting, the most relatively low slow-speed of revolution environment that is only used for of intensity is braked, the most also can and brake disc between can produce the situation of beat.
Summary of the invention
It is high that the purpose of this utility model is to provide a kind of safety, simple in construction, and reliability is high, safeguards simple, assembling simplicity, and intensity is high, and and brake disc will not produce the rail vehicle braking clamp of eccentricities.
To achieve these goals, the technical solution of the utility model is: a kind of rail vehicle braking clamp, has oil cylinder and caliper mechanism, and it is improved by:
The cylinder body of described oil cylinder includes front-bank rotor housing and rear-bank rotor housing, and front-bank rotor housing and the axial attaching of rear-bank rotor housing, and described cylinder body is built with piston, return piston, regulation axle, guide rod, axle sleeve, elastic component and spring pedestal；
Described piston bush is contained on return piston, the stepped hole of return piston is stretched out in one end of described regulation axle, the other end inserts in the axle sleeve hole of axle sleeve, and threaded with the axle sleeve hole of axle sleeve, described axle sleeve is provided with annular boss, and the side of described annular boss offsets with the step in the stepped hole of return piston；
Described elastic component is sleeved on axle sleeve, and one end of described elastic component offsets with the opposite side of the annular boss of axle sleeve, and the other end of described elastic component offsets with spring pedestal；
One end of described guide rod is inserted in the pilot hole of regulation axle, and the other end and rear-bank rotor housing load, described spring pedestal is fixed on rear-bank rotor housing by the first screw；
Also having bayonet lock, described bayonet lock is positioned in the pilot hole of regulation axle, and is sleeved on one end of guide rod, threadeds with holding screw in the end of guide rod；
Described caliper mechanism includes the first caliper, the second caliper, installs bearing pin, mounting seat and gripper shoe；
Described gripper shoe is supported between the first caliper and the second caliper, first holding screw passes the first through hole of the first caliper and is connected with the connecting hole threaded set of gripper shoe, second holding screw passes the first through hole of the second caliper and is connected with the connecting hole threaded set of gripper shoe, and gripper shoe has upper and lower two；
The outside of described upper and lower gripper shoe further respectively has upper and lower two and installs bearing pin, mounting seat all it is set with on each installation bearing pin, second through hole of the first caliper neutralizes and is respectively arranged with mounting pin neck bush in the second through hole of the second caliper, and the two ends installing bearing pin are bearing on two mounting pin neck bush respectively；
The inner side of described upper and lower gripper shoe further respectively has upper and lower two brake lining bearing pins, the two ends of each brake lining bearing pin are separately mounted in the third through-hole that the third through-hole of the first caliper neutralizes the second caliper, are arranged on the first caliper and the second caliper brake lining bearing pin axial limiting；
There are on described first caliper several oil cylinder installing holes and an oil cylinder regulation axle penetrates hole.
In technique scheme, also having fixture block, described fixture block is fixed on rear-bank rotor housing by the second screw, and has hexagon ring on fixture block, it is protruding that the other end of described guide rod has outer-hexagonal, and described fixture block is sleeved in the outer-hexagonal projection of the guide rod other end by hexagon ring.
In technique scheme, described cylinder body has the oil cylinder connecting hole running through front-bank rotor housing and rear-bank rotor housing, there is in oil cylinder connecting hole oil cylinder attachment screw.
In technique scheme, the step end face of described front-bank rotor housing and the end face axial attaching of rear-bank rotor housing, or the step end face axial attaching of the step end face of described front-bank rotor housing and rear-bank rotor housing, or the step end face axial attaching of the end face of described front-bank rotor housing and rear-bank rotor housing.
In technique scheme, described brake lining bearing pin is set with back-moving spring, each brake lining bearing pin is respectively arranged with two brake linings, and described back-moving spring is between two brake linings.
In technique scheme, described first holding screw and the second holding screw are respectively installed with gripper shoe lining, and two gripper shoe linings lay respectively at the junction of the first through hole of the connecting hole of gripper shoe and the junction of the first through hole of the first caliper and the connecting hole of gripper shoe and the second caliper.
In technique scheme, one end of described brake lining bearing pin has brake lining bearing pin flange, and the other end has circumferential groove in its end portion, is also equipped with spacer pin in described circumferential groove in its end portion.
In technique scheme, one end of described brake lining bearing pin is contained on the third through-hole of the first caliper, and the other end is contained on the third through-hole of the second caliper, and spacer pin is contained on the second caliper.
In technique scheme, described installation bearing pin being also equipped with corrugated tube, the two ends of described corrugated tube are set in the end flange of mounting seat and in the end flange of mounting pin neck bush.
In technique scheme, threadeded by trapezoidal thread between the other end and the axle sleeve hole of axle sleeve of described regulation axle.
The good effect that this utility model is had is: the oil cylinder of brake clamp uses passive type, logical oil is alleviated, drain the oil braking, safer, manual gap adjusting mechanism it is provided with in oil cylinder, simple in construction, it is not susceptible to fault, safeguard the most comparatively simple, and caliper mechanism and cylinder block shape are the most all simple solid, assembling is easily, it is required for foundry goods, intensity is the highest, may be used for the car braking under high rotating speed environment, during use, mounting seat can be axially moveable on bearing pin installing, brake disc can be adapted to very well, will not be with the situation of brake disc generation beat.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model；
Fig. 2 is that the right side of the present utility model regards schematic diagram;
Fig. 3 is left view schematic diagram of the present utility model；
Fig. 4 is the A-A cross-sectional schematic of Fig. 3；
Fig. 5 is the B-B cross-sectional schematic of Fig. 4；
Fig. 6 is the cross-sectional schematic of oil cylinder in this utility model；
Fig. 7 is the schematic rear view of oil cylinder in this utility model；
Fig. 8 is that in this utility model, the right side of the first caliper regards schematic diagram；
Fig. 9 is the schematic rear view of Fig. 8；
Figure 10 is the left view schematic diagram of the second caliper in this utility model；
Figure 11 is the schematic rear view of Figure 10；
Figure 12 is the schematic perspective view that this utility model uses state.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that is given, this utility model is further described.
As shown in Fig. 1 ~ 12, a kind of rail vehicle braking clamp, there is oil cylinder 1 and caliper mechanism 2, the cylinder body 3 of described oil cylinder 1 includes front-bank rotor housing 3-1 and rear-bank rotor housing 3-2, and front-bank rotor housing 3-1 and the axial attaching of rear-bank rotor housing 3-2, described cylinder body 3 is built with piston 4, return piston 5, regulation axle 6, guide rod 7, axle sleeve 8, elastic component 9 and spring pedestal 10.
Described piston 4 is sleeved on return piston 5, the stepped hole 5-1 of return piston 5 is stretched out in one end of described regulation axle 6, the other end inserts in the axle sleeve hole 8-1 of axle sleeve 8, and threaded with the axle sleeve hole 8-1 of axle sleeve 8, described axle sleeve 8 is provided with annular boss 8-2, and the side of described annular boss 8-2 offsets with the step 5-1-1 in the stepped hole 5-1 of return piston 5.
Described elastic component 9 is sleeved on axle sleeve 8, and one end of described elastic component 9 offsets with the opposite side of the annular boss 8-2 of axle sleeve 8, and the other end of described elastic component 9 offsets with spring pedestal 10.
One end of described guide rod 7 is inserted in the pilot hole 6-1 of regulation axle 6, the other end and rear-bank rotor housing 3-2 load, and described spring pedestal 10 is fixed on rear-bank rotor housing 3-2 by the first screw 19.
Also having bayonet lock 14, described bayonet lock 14 is positioned in the pilot hole 6-1 of regulation axle 6, and is sleeved on one end of guide rod 7, threadeds with holding screw 15 in the end of guide rod 7 one end.
Described caliper mechanism 2 includes first caliper the 22, second caliper 23, installs bearing pin 25, mounting seat 26 and gripper shoe 27.
Described gripper shoe 27 is supported between the first caliper 22 and the second caliper 23, first holding screw 27-1 passes the first through hole 22-1 of the first caliper 22 and is connected with the connecting hole 27-4 threaded set of gripper shoe 27, second holding screw 27-1 ' passes the first through hole 23-1 of the second caliper 23 and is connected with the connecting hole 27-4 threaded set of gripper shoe 27, and gripper shoe 27 has upper and lower two.
The outside of described upper and lower gripper shoe 27 further respectively has upper and lower two and installs bearing pin 5, mounting seat 26 all it is set with on each installation bearing pin 25, second through hole 22-2 of the first caliper 22 neutralizes and is respectively arranged with mounting pin neck bush 25-1 in the second through hole 23-2 of the second caliper 23, and the two ends installing bearing pin 25 are bearing on two mounting pin neck bush 25-1 respectively.
The inner side of described upper and lower gripper shoe 27 further respectively has upper and lower two brake lining bearing pins 28, the two ends of each brake lining bearing pin 28 are separately mounted in the third through-hole 23-3 that the third through-hole 22-3 of the first caliper 22 neutralizes the second caliper 23, are arranged on the first caliper 22 and the second caliper 23 brake lining bearing pin 28 axial limiting.
There is on described first caliper 22 several oil cylinders installing hole 22-5 and an oil cylinder regulation axle penetrates hole 22-4, when clamp works, the regulation axle 6 of oil cylinder 1 may pass through oil cylinder regulation axle and penetrates hole 22-4, and transmit brake force to brake lining 24, and oil cylinder installing hole 22-5 is for the ease of oil cylinder 1 is fixed in caliper mechanism 2.
Also there is fixture block 11, described fixture block 11 is fixed on rear-bank rotor housing 3-2 by the second screw 20, and there is on fixture block 11 hexagon ring 11-1, the other end of described guide rod 7 has outer-hexagonal projection 7-1, described fixture block 11 is sleeved in outer-hexagonal projection 7-1 of guide rod 7 other end by hexagon ring 11-1, thus can lock guide rod 7, prevent guide rod 7 when being made without regulation owing to the factors such as vibrations rotate.
There is on described cylinder body 3 the oil cylinder connecting hole 3-3 running through front-bank rotor housing 3-1 and rear-bank rotor housing 3-2, there is in oil cylinder connecting hole 3-3 oil cylinder attachment screw 3-4, described oil cylinder attachment screw 3-4 and front-bank rotor housing 3-1 and rear-bank rotor housing 3-2 is connected and is fixed in caliper mechanism 2.
The step end face of described front-bank rotor housing 3-1 and the end face axial attaching of rear-bank rotor housing 3-2, or the step end face axial attaching of the step end face of described front-bank rotor housing 3-1 and rear-bank rotor housing 3-2, or the step end face axial attaching of the end face of described front-bank rotor housing 3-1 and rear-bank rotor housing 3-2.
It is set with back-moving spring 28-1 on described brake lining bearing pin 28, each brake lining bearing pin 28 is respectively arranged with two brake linings 24, and described back-moving spring 28-1 is between two brake linings 24.
Described first holding screw 27-1 and the second holding screw 27-1 ' is respectively installed with gripper shoe lining 27-3, and two gripper shoe lining 27-3 lay respectively at the junction of the first through hole 23-1 of the connecting hole 27-4 of gripper shoe 27 and the junction of the first through hole 22-1 of the first caliper 22 and the connecting hole 27-4 of gripper shoe 27 and the second caliper 23, prevent gripper shoe screw 27-1 to be supported the shearing force between plate 27 and the first caliper 22 and the second caliper 23 and be damaged, improve the intensity of structure.
One end of described brake lining bearing pin 28 has brake lining bearing pin flange 28-2, and the other end has circumferential groove in its end portion 28-3, is also equipped with spacer pin 28-4 in described circumferential groove in its end portion 28-3.
One end of described brake lining bearing pin 28 is contained on the third through-hole 22-3 of the first caliper 22, and the other end is contained on the third through-hole 23-3 of the second caliper 23, and spacer pin 28-4 is contained on the second caliper 23.
It is also equipped with corrugated tube 29 on described installation bearing pin 25, the two ends of described corrugated tube 29 are set in the end flange of mounting seat 26 and in the end flange of mounting pin neck bush 25-1, the Main Function of mounting pin neck bush 25-1 is to improve faying face intensity, avoid excessive wear, the end flange installing corrugated tube 29 is provided simultaneously, simplifying part difficulty of processing, corrugated tube 29 is then for dust-proof.
Threadeded by trapezoidal thread between the other end and the axle sleeve hole 8-1 of axle sleeve 8 of described regulation axle 6.
As shown in Fig. 1,3,4, when this utility model uses, oil cylinder 1 is contained in caliper mechanism 2, and whole clamp is arranged on vehicle.
When a vehicle is started, the logical oil of oil cylinder 1, piston 4 moves right under the effect of oil pressure, drives return piston 5 to move right, owing to the annular boss 8-2 on axle sleeve 8 offsets with the step 5-1-1 in the stepped hole 5-1 of return piston 5, axle sleeve 8 also moves right, on the one hand making elastic component 9 forced compression, on the other hand the regulation axle 6 threadeded with axle sleeve 8 is also moved right, regulation axle 6 no longer props up brake lining 24, brake lining 24 unclamps, and no longer limits the rotation of brake disc 30.Now elastic component 9 is compressive state.
When car braking, oil cylinder 1 is drained the oil, the elastic component 9 being originally used for compressive state starts to alleviate, by discharging elastic force to annular boss 8-2, promote axle sleeve 8 to be moved to the left so that the regulation axle 6 threadeded with axle sleeve 8 is also moved to the left, and then regulation axle 6 props up brake lining 24 and promotes brake lining 24 to be moved to the left, brake lining 24 is pressed close to brake disc 30 and limits the rotation of brake disc 30, makes vehicle deceleration until stopping.Meanwhile the annular boss 8-2 on axle sleeve 8 promotes return piston 5 to be moved to the left, and drives piston 4 to move to left the most together, and the front-bank rotor housing 3-1 until piston 4 with oil cylinder 1 offsets.
nullSuch as Fig. 1、2、Shown in 3，When brake clamp is after using for a long time，Brake lining 24 has a certain degree of abrasion，Now,Even if the length that the regulation axle 6 of oil cylinder 1 stretches out cylinder body 3 part reaches maximum，Brake lining 24 and brake disc 30 also also have gap to exist，Cannot normal brake application，When being accomplished by oil cylinder 1 is manually regulated，At this moment only fixture block 11 need to first be unloaded，Then outer-hexagonal projection 7-1 of rotating guide-bar 7 other end，Owing to threadeding and top cover 14 and pilot hole 6-1 corresponding matching with holding screw 15 in the end of guide rod 7 one end，Make to regulate axle 6 to rotate together with guide rod 7，Again because regulation axle 6 is threadeded with axle sleeve 8，Now regulation axle 6 becomes big with the assembling length of axle sleeve 8，The length stretching out cylinder body 3 part regulating axle 6 when i.e. working becomes big，And the gap of brake lining 24 and brake disc 30 is compensated，Achieve gap adjustment.
Claims (10)
1. a rail vehicle braking clamp, has oil cylinder (1) and caliper mechanism (2), it is characterised in that:
A, the cylinder body (3) of described oil cylinder (1) include front-bank rotor housing (3-1) and rear-bank rotor housing (3-2), and front-bank rotor housing (3-1) attaching axial with rear-bank rotor housing (3-2), described cylinder body (3) is built with piston (4), return piston (5), regulation axle (6), guide rod (7), axle sleeve (8), elastic component (9) and spring pedestal (10)；
B, described piston (4) are sleeved on return piston (5), the stepped hole (5-1) of return piston (5) is stretched out in one end of described regulation axle (6), the other end inserts in the axle sleeve hole (8-1) of axle sleeve (8), and threaded with the axle sleeve hole (8-1) of axle sleeve (8), described axle sleeve (8) is provided with annular boss (8-2), and the side of described annular boss (8-2) offsets with the step (5-1-1) in the stepped hole (5-1) of return piston (5)；
C, described elastic component (9) are sleeved on axle sleeve (8), and one end of described elastic component (9) offsets with the opposite side of the annular boss (8-2) of axle sleeve (8), and the other end of described elastic component (9) offsets with spring pedestal (10)；
D, one end of described guide rod (7) are inserted in the pilot hole (6-1) regulating axle (6), the other end and rear-bank rotor housing (3-2) load, and described spring pedestal (10) is fixed on rear-bank rotor housing (3-2) by the first screw (19)；
E, also having a bayonet lock (14), described bayonet lock (14) is positioned in the pilot hole (6-1) of regulation axle (6), and is sleeved on one end of guide rod (7), threadeds with holding screw (15) in the end of guide rod (7) one end；
F, described caliper mechanism (2) include the first caliper (22), the second caliper (23), install bearing pin (25), mounting seat (26) and gripper shoe (27)；
G, described gripper shoe (27) are supported between the first caliper (22) and the second caliper (23), first holding screw (27-1) passes first through hole (22-1) of the first caliper (22) and is connected with connecting hole (27-4) threaded set of gripper shoe (27), second holding screw (27-1 ') pass first through hole (23-1) of the second caliper (23) and be connected with connecting hole (27-4) threaded set of gripper shoe (27), gripper shoe (27) has upper and lower two；
H, the outside of described upper and lower gripper shoe (27) further respectively have upper and lower two and install bearing pin (5), mounting seat (26) all it is set with on each installation bearing pin (25), second through hole (22-2) of the first caliper (22) neutralizes and is respectively arranged with mounting pin neck bush (25-1) in second through hole (23-2) of the second caliper (23), and the two ends installing bearing pin (25) are bearing on two mounting pin neck bush (25-1) respectively；
I, the inner side of described upper and lower gripper shoe (27) further respectively have upper and lower two brake lining bearing pins (28), the two ends of each brake lining bearing pin (28) are separately mounted in the third through-hole (23-3) that the third through-hole (22-3) of the first caliper (22) neutralizes the second caliper (23), are arranged on the first caliper (22) and the second caliper (23) brake lining bearing pin (28) axial limiting；
There are on j, described first caliper (22) several oil cylinder installing holes (22-5) and an oil cylinder regulation axle penetrates hole (22-4).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: also there is fixture block (11), described fixture block (11) is fixed on rear-bank rotor housing (3-2) by the second screw (20), and there is on fixture block (11) hexagon ring (11-1), it is protruding (7-1) that the other end of described guide rod (7) has outer-hexagonal, and described fixture block (11) is sleeved on the outer-hexagonal protruding (7-1) of guide rod (7) other end by hexagon ring (11-1).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: there is on described cylinder body (3) the oil cylinder connecting hole (3-3) running through front-bank rotor housing (3-1) and rear-bank rotor housing (3-2), there is in oil cylinder connecting hole (3-3) oil cylinder attachment screw (3-4).
4. according to the rail vehicle braking clamp described in claim 1 or 2 or 3, it is characterized in that: the step end face of described front-bank rotor housing (3-1) and the end face axial attaching of rear-bank rotor housing (3-2), or the step end face axial attaching of the step end face of described front-bank rotor housing (3-1) and rear-bank rotor housing (3-2), or the step end face axial attaching of the end face of described front-bank rotor housing (3-1) and rear-bank rotor housing (3-2).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: on described brake lining bearing pin (28), be set with back-moving spring (28-1), it is respectively arranged with two brake linings (24) on each brake lining bearing pin (28), and described back-moving spring (28-1) is positioned between two brake linings (24).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: described first holding screw (27-1) and the second holding screw (27-1 ') are respectively installed with gripper shoe lining (27-3), and two gripper shoe linings (27-3) lay respectively at the junction of the connecting hole (27-4) of gripper shoe (27) and the junction of first through hole (22-1) of the first caliper (22) and the connecting hole (27-4) of gripper shoe (27) and first through hole (23-1) of the second caliper (23).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: one end of described brake lining bearing pin (28) has brake lining bearing pin flange (28-2), the other end has circumferential groove in its end portion (28-3), is also equipped with spacer pin (28-4) in described circumferential groove in its end portion (28-3).
Rail vehicle braking clamp the most according to claim 6, it is characterized in that: one end of described brake lining bearing pin (28) is contained on the third through-hole (22-3) of the first caliper (22), the other end is contained on the third through-hole (23-3) of the second caliper (23), and spacer pin (28-4) is contained on the second caliper (23).
Rail vehicle braking clamp the most according to claim 1, it is characterized in that: be also equipped with corrugated tube (29) on described installation bearing pin (25), the two ends of described corrugated tube (29) are set in the end flange of mounting seat (26) and in the end flange of mounting pin neck bush (25-1).
Rail vehicle braking clamp the most according to claim 1, it is characterised in that: threadeded by trapezoidal thread between the other end and the axle sleeve hole (8-1) of axle sleeve (8) of described regulation axle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968302.8U CN205745026U (en) | 2015-11-30 | 2015-11-30 | A kind of rail vehicle braking clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968302.8U CN205745026U (en) | 2015-11-30 | 2015-11-30 | A kind of rail vehicle braking clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745026U true CN205745026U (en) | 2016-11-30 |
Family
ID=57387579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520968302.8U Withdrawn - After Issue CN205745026U (en) | 2015-11-30 | 2015-11-30 | A kind of rail vehicle braking clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370774A (en) * | 2015-11-30 | 2016-03-02 | 常州南车铁马科技实业有限公司 | Braking clamp for rail vehicle |
-
2015
- 2015-11-30 CN CN201520968302.8U patent/CN205745026U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370774A (en) * | 2015-11-30 | 2016-03-02 | 常州南车铁马科技实业有限公司 | Braking clamp for rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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. Address before: 213125 Jiangsu province Changzhou City New District Xue Shun Road No. 19 Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170721 Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City 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 Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20171010 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20171010 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |