CN106926865A - The alleviation device of locomotive parking brake device - Google Patents
The alleviation device of locomotive parking brake device Download PDFInfo
- Publication number
- CN106926865A CN106926865A CN201710209202.0A CN201710209202A CN106926865A CN 106926865 A CN106926865 A CN 106926865A CN 201710209202 A CN201710209202 A CN 201710209202A CN 106926865 A CN106926865 A CN 106926865A
- Authority
- CN
- China
- Prior art keywords
- block piece
- parking brake
- support block
- tumbler
- hand lever
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/02—Hand or other personal actuation
- B61H13/04—Hand or other personal actuation by mechanisms incorporating toothed gearing
Abstract
The present invention proposes a kind of alleviation device of locomotive parking brake device, including the hand lever for transversely setting, the second support block piece is provided with hand lever outer peripheral face, second support block piece is fixedly connected with hand lever, second support block piece side transversely is provided with laterally releases component, laterally release component and the second support flights contact, laterally release component and be connected with the actuator that horizontal release component can be driven to promote the second support block piece transversely unidirectionally to move, actuator is located at hand lever side vertically.The present invention can improve flexibility and the operating efficiency for alleviating operating process to locomotive parking brake.
Description
Technical field
The invention belongs to rail vehicle technical field, and in particular to rolling stock brake rigging field, more particularly to
A kind of alleviation device of locomotive parking brake device.
Background technology
Rolling stock brake rigging produces brake force by brake clamp unit or tread braking unit, promotes braking
Brake lining compresses brake disc, to realize the Brake stop of locomotive.When rolling stock is parked on Ku Nei or ramp, in order to keep braking
Power is constant, and brake rigging is typically designed with park brake.Hand relieving device is the important set of locomotive parking brake device
Into part, when park brake applies parking brake, can be by pulling the hand lever of hand relieving device, thoroughly to alleviate
What park brake was produced puts brake force.
At present, the hand relieving device of park brake needs manually to pull hand lever to complete to stop locomotive mostly
Put the alleviation operation of braking.However, because hand relieving device is usually located at lower car body, and need operating personnel under car
Complete to alleviate operation, therefore the manual mode for pulling hand lever is alleviated locomotive parking brake and is wasted time and energy and inefficiency.
Based on above-mentioned, Chinese invention patent CN106364523A discloses a kind of alleviation auxiliary of locomotive parking brake mechanism
Device, including the cylinder body being fixed in parking brake mechanism, inner chamber of cylinder block are provided with the piston that can pull hand lever, piston seal
It is socketed on outside hand lever, all sides of outside piston are fitted with inboard wall of cylinder block.The device is automatically brought into operation hand lever side by using
Formula instead of the mode of existing manually operated hand lever completely, however, when the component in control gas circuit is stopped or occurs
Failure, or operating personnel are located at when outside locomotive, due to the interference that cylinder body is moved to hand lever, therefore, it is difficult to manually pull
The mode of hand lever is alleviated to locomotive parking brake, and then have impact on operating efficiency.
The content of the invention
The present invention influences work for existing alleviation device because manual manipulation mode and automatic mode are interfered
The technical problem of efficiency, proposes a kind of to be prevented effectively from manually operated and movement interference between being automatically brought into operation the locomotive system of parking
The alleviation device of dynamic device.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of alleviation device of locomotive parking brake device, including the hand lever for transversely setting, set on hand lever outer peripheral face
The second support block piece is equipped with, the second support block piece is fixedly connected with hand lever, the second support block piece side transversely is provided with
Laterally release component, laterally releases component and the second support flights contact, and laterally release component is connected with and can drive horizontal release
Actuator of the component to promote the second support block piece transversely unidirectionally to move, actuator is located at hand lever side vertically.
Preferably, being additionally provided with the first support block piece on hand lever outer peripheral face, the first support block piece is fixed with hand lever
Connection, elastic component is connected between the first support block piece and laterally release component, and elastic component is transversely set.
Preferably, elastic component is spring or rubber.
Preferably, laterally releasing component includes the fixture that can be fixedly connected with locomotive, and be connected with fixture
Tumbler, tumbler be connected to fixture transversely and near second support block piece end, tumbler one end transversely with
Fixture is connected by way of worm drive, the tumbler other end and the second support flights contact transversely.
Preferably, fixture offers external screw thread near one end of tumbler, tumbler is opened near one end of fixture
The screwed hole coordinated with fixture external screw thread is provided with, tumbler is connected through a screw thread with fixture.
Preferably, actuator be connected with can with the driving member of tumbler synchronous axial system, the clutch end of actuator with
Driving member is connected, to drive driving member to rotate.
Preferably, actuator is that servomotor, stepper motor or hydraulic motor are one kind of.
Preferably, driving member is first gear, the second gear engaged with driving member, the second tooth are socketed with outside tumbler
Wheel is fixedly connected with tumbler.
Preferably, laterally releasing component includes the guide part that can be fixedly connected with locomotive, and can be in guide part along horizontal
To the move portion of rectilinear movement, guide part transversely sets, and move portion is slidably connected with guide part, move portion and the second support block
Part is contacted, and the clutch end of actuator is connected with move portion.
Preferably, actuator is that cylinder, hydraulic cylinder or linear electric motors are one kind of.
Compared with prior art, advantages and positive effects of the present invention are：
The alleviation device of locomotive parking brake device of the present invention laterally releases component and actuator by setting, and realizes driving
Indirect driving of the part to hand lever, and unidirectional promotion of the component to hand lever is laterally released, locomotive is stopped so as to avoid to work as
The limitation of driven moving part when the parking brake hand relieving for putting brake is operated；Therefore, locomotive parking brake device of the present invention is slow
Solution device possess it is automatic alleviate operating function while, remain hand relieving operating function, and then improve locomotive is stopped
Put flexibility and the operating efficiency of release of brake operating process.
Brief description of the drawings
Fig. 1 is the structural representation of the alleviation device embodiment one of locomotive parking brake device of the present invention；
Fig. 2 is the internal structure schematic diagram of Fig. 1；
Above in each figure：1st, hand lever；11st, the first support block piece；12nd, the second support block piece；2nd, component is laterally released；
21st, fixture；22nd, tumbler；221st, second gear；3rd, actuator；4th, handle is pulled；5th, elastic component；6th, driving member.
Specific embodiment
Below, the present invention is specifically described by exemplary implementation method.It should be appreciated, however, that not entering one
In the case of step narration, element, structure and features in an implementation method can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to explanation, transverse direction of the invention is the horizontal direction shown in Fig. 2, the present invention
The vertical vertical direction for shown in Fig. 2, i.e. the orientation or position relationship of the instruction such as term " transverse direction ", " vertical " are based on accompanying drawing
Position relationship shown in 2, and above-mentioned term be for only for ease of description the present invention and simplify describe, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively heavy
The property wanted.
Referring to Fig. 1 and Fig. 2, a kind of alleviation device of locomotive parking brake device applies in locomotive parking brake device to locomotive
Structure in the state of parking brake is：Including the hand lever 1 that transversely (horizontal direction i.e. shown in Fig. 2) is set, hand lever 1
The second support block piece 12 is provided with outer peripheral face, the second support block piece 12 is fixedly connected with hand lever 1, the second support block piece 12 edge
Horizontal side is provided with and laterally releases component 2, laterally releases component 2 and is contacted with the second support block piece 12, can make transverse direction
Release component 2 promotes hand lever 1 transversely to move by the second support block piece 12, and then alleviates the braking of locomotive parking brake device
Power, laterally releases component 2 and is connected with to drive and laterally release component 2 to promote the second support block piece 12 transversely unidirectional mobile
Actuator 3, actuator 3 is located at the side of hand lever 1 vertically (vertical direction i.e. shown in Fig. 2).
Further, as depicted in figs. 1 and 2, the first support block piece 11, the first support are additionally provided with the outer peripheral face of hand lever 1
Block piece 11 is fixedly connected with hand lever 1, and elastic component 5, elastic component are connected between the first support block piece 11 and laterally release component 2
5 are transversely set, and the effect of elastic component 5 is, when 1 return of hand lever, on the one hand drive the first support block piece 11 and pull
The transversely self-return of bar 1, on the other hand, makes the transversely self-return of hand lever 1, and then can make the company that storing cycle alleviates
Continuous and many subjobs, while improve operating efficiency.
Preferably, elastic component 5 can be spring or rubber.
In addition, elastic component 5 could be arranged to transversely hollow, elastic component 5 is socketed on outside hand lever 1.
In addition, elastic component 5 may be arranged as the multiple around the circumference array of hand lever 1.
As depicted in figs. 1 and 2, the position of the first support block piece 11 can be：First support block piece 11 is located at laterally to be released
Component 2 is worked as with this and pulls with hand hand lever 1 to alleviate storing cycle braking transversely and away from the side of the second support block piece 12
When, elastic component 5 is stretched, and the self-return of hand lever 1 when loosing one's grip.
In addition, the position of the first support block piece 11 can also be：First support block piece 11 is located at the second support block piece 12 edge
Laterally and away from the side for laterally releasing component 2, with this when hand lever 1 is pulled with hand to alleviate storing cycle braking, elasticity
Part 5 is compressed, and the self-return of hand lever 1 when loosing one's grip.
Further, present invention additionally comprises handle 4 is pulled, pull handle 4 and be fixedly connected with hand lever 1, operating personnel are in car
Under directly can complete hand relieving by pulling handle 4 and act, and operating process is time saving and energy saving.
For the above-mentioned first support support structure of block piece 12 of block piece 11 and second, referring to Fig. 1, the first support block piece 11 and the
Two support block pieces 12 can be hollow sleeve, and the first support support block piece 12 of block piece 11 and second is socketed on outside hand lever 1, first
The support block piece 12 of spacer part 11 and second can be threadedly coupled with hand lever 1, weld or integrated connection.
Hereinafter laterally release component 2 to promote for the alleviation device of locomotive parking brake device of the present invention is driven by actuator 3
Second support block piece 12, to realize alleviating the embodiment of park brake parking brake and the return of hand lever 1：
Embodiment one
As shown in Figures 1 and 2, laterally releasing component 2 includes to be fixedly connected with locomotive (being for example fixed on locomotive and parking cylinder
On body) fixture 21, and be connected to fixture 21 transversely and near the tumbler 22 of second support block piece 12 one end, turn
The one end transversely of moving part 22 is connected with fixture 21 by way of worm drive, the other end transversely of tumbler 22
Contacted with the second support block piece 12, by the convert rotational motion by tumbler 22 on fixture 21 be transversely straight with this
Line is moved, and realizes 22 pairs second promotions of support block piece 12 of tumbler；
Further as shown in Fig. 2 actuator 3 is located at the side vertically of hand lever 1, the clutch end of actuator 3 connects
Rotatable driving member 6 is connected to, driving member 6 can pass through driving member with the synchronous axial system of tumbler 22, the clutch end of actuator 3
6 driving tumblers 22 are rotated；
When using, actuator 3 drives driving member 6 to rotate, and then drives tumbler synchronous axial system, and then make tumbler along horizontal
To moving along a straight line, to realize the promotion to the second support block piece 12.
It should be noted that elastic component 5 can both be connected with fixture 21, it is also possible to be connected with tumbler 22, this area
Technician can according to actual needs select elastic component 5 to be supported with the link position of component 2, elastic component 5 and first is laterally released
Block piece 11 and laterally release the connected mode of component 2, and elastic component 5 rigidity, and can solve the problem that to be solved by this invention
Technical problem.
Preferably, as shown in Fig. 2 fixture 21 and tumbler 22 can be external member, now fixture 21 and tumbler
22 are socketed on outside hand lever 1.
In addition, actuator 3 can be one kind of for servomotor, stepper motor or hydraulic motor.
Realizing tumbler 22 can be by the structure that worm drive are connected with fixture 21：Fixture 21 is close to and turns
One end of moving part 22 offers external screw thread, and tumbler 22 is offered near one end of fixture 21 and coordinated with the external screw thread of fixture 21
Screwed hole, tumbler 22 is connected through a screw thread with fixture 21.
In addition, tumbler 22 can also be connected with fixture 21 by lead screw pair.
Realizing driving member 6 can be with the structure of the synchronous axial system of tumbler 22：As illustrated in fig. 1 and 2, driving member 6 can be
The second gear 221 engaged with driving member 6 is socketed with outside first gear, tumbler 22, second gear 221 is fixed with tumbler 22
Connection, driving member 6 is by gear-driven mode and the synchronous axial system of tumbler 22.
In addition, driving member 6 can also be worm screw, driving member 6 is by worm geared mode and the synchronous axial system of tumbler 22.
Taken up room to reduce, and improve the stability for alleviating the device course of work, as shown in Fig. 2 driving member 6 can
Be arranged on fixture 21, driving member 6 is connected along the two ends of pivot center with fixture 21, additionally, actuator 3 can also with it is solid
Determine part 21 to be fixedly connected.
Embodiment two
Laterally releasing component includes the guide part that can be fixedly connected with locomotive, and can transversely be moved linearly in guide part
Move portion, guide part transversely sets, and move portion is slidably connected with guide part, move portion and the second support flights contact, drives
The clutch end of moving part is connected with move portion；
When using, actuator drives move portion transversely to move, and is realized to the second support block piece by move portion with this
Promote.
It should be noted that elastic component can both be connected with limiting section, it is also possible to be connected with move portion, art technology person
Elastic component can according to actual needs be selected and the link position of component, elastic component and the first support block piece and transverse direction is laterally released
Release the connected mode of component, and elastic component rigidity, and can solve the problem that the technical problems to be solved by the invention.
Preferably, actuator can be one kind of for cylinder, hydraulic cylinder or linear electric motors.
Based on above-mentioned, referring to Fig. 1 and Fig. 2, the operation principle of the alleviation device of locomotive parking brake device of the present invention is：
When the parking brake to locomotive parking brake device is alleviated automatically, actuator 3 runs and drives laterally releases component 2
Transversely move, then laterally release component 2 and promote second to support block piece 12 to laterally move, and then drive hand lever 1 along horizontal stroke
To movement, the automatic alleviation to locomotive parking brake device parking brake is completed with this；The inverted running of actuator 3 simultaneously drives transverse direction
Release component 2 to move backward, then the second support block piece 12 is moved backward under the drive of elastic component 5, and then drives hand lever 1
Reverse movement, is completed with this and reset of hand lever 1 is operated.
When the parking brake hand relieving to locomotive parking brake device, hand lever 1 is pulled to overcome the bullet of elastic force manually
Power is laterally moved, and the hand relieving to locomotive parking brake device parking brake is completed with this；Hand lever 1 is unclamped, then hand
The self-return in the presence of the elastic force of elastic component 5 of pull bar 1, is completed with this and reset of hand lever 1 is operated.
From the foregoing, the alleviation device of locomotive parking brake device of the present invention laterally release component 2 and driving by setting
Part 3, realizes indirect driving of the actuator 3 to hand lever 1, and laterally releases unidirectional promotion of the component 2 to hand lever 1, from
And avoid the limitation of the driven moving part 3 when the parking brake hand relieving to locomotive parking brake device is operated；Therefore, the present invention
The alleviation device of locomotive parking brake device remains hand relieving operating function while possessing automatic alleviation operating function,
And then improve flexibility and the operating efficiency for alleviating operating process to locomotive parking brake.
Claims (10)
1. a kind of alleviation device of locomotive parking brake device, including the hand lever (1) for transversely setting, it is characterised in that：Pull
The second support block piece (12) is provided with bar (1) outer peripheral face, the second support block piece (12) is fixedly connected with hand lever (1), second
Support block piece (12) side transversely is provided with and laterally releases component (2), laterally releases component (2) with the second support block piece
(12) contact, laterally release component (2) is connected with to drive laterally release component (2) to promote the second support block piece (12) along horizontal stroke
To unidirectional mobile actuator (3), side of the actuator (3) positioned at hand lever (1) vertically.
2. the alleviation device of locomotive parking brake device according to claim 1, it is characterised in that：Hand lever (1) outer peripheral face
On be additionally provided with the first support block piece (11), the first support block piece (11) is fixedly connected with hand lever (1), and first supports block piece
(11) elastic component (5) and laterally is connected between release component (2), elastic component (5) is transversely set.
3. the alleviation device of locomotive parking brake device according to claim 2, it is characterised in that：Elastic component (5) is spring
Or rubber.
4. the alleviation device of locomotive parking brake device according to claim 1, it is characterised in that：Laterally release component (2)
Including the fixture (21) that can be fixedly connected with locomotive, and the tumbler (22) being connected with fixture (21), tumbler (22)
Fixture (21) is connected to transversely and near the end of the second support block piece (12), tumbler (22) one end transversely with it is solid
Determine part (21) to be connected by way of worm drive, tumbler (22) other end and second transversely supports block piece (12)
Contact.
5. the alleviation device of locomotive parking brake device according to claim 4, it is characterised in that：Fixture (21) is close to and turns
One end of moving part (22) offers external screw thread, and tumbler (22) is offered with fixture (21) outward near one end of fixture (21)
The screwed hole that screw thread coordinates, tumbler (22) is connected through a screw thread with fixture (21).
6. the alleviation device of locomotive parking brake device according to claim 4, it is characterised in that：Actuator (3) is connected with
Can be connected with driving member (6) with the driving member (6) of tumbler (22) synchronous axial system, the clutch end of actuator (3), to drive
Driving member (6) is rotated.
7. the alleviation device of the locomotive parking brake device according to any one of claim 1-6, it is characterised in that：Actuator
(3) be servomotor, stepper motor or hydraulic motor it is one kind of.
8. the alleviation device of locomotive parking brake device according to claim 6, it is characterised in that：Driving member (6) is first
The second gear (221) engaged with driving member (6), second gear (221) and tumbler are socketed with outside gear, tumbler (22)
(22) it is fixedly connected.
9. the alleviation device of locomotive parking brake device according to claim 1, it is characterised in that：Laterally releasing component includes
The guide part that can be fixedly connected with locomotive, and the move portion that can be transversely moved linearly in guide part, guide part transversely set
Put, move portion is slidably connected with guide part, move portion supports flights contact, the clutch end and move portion of actuator with second
Connection.
10. the alleviation device of the locomotive parking brake device according to claim 1,2,3 or 9, it is characterised in that：Actuator is
Cylinder, hydraulic cylinder or linear electric motors are one kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209202.0A CN106926865B (en) | 2017-03-31 | 2017-03-31 | The alleviation device of locomotive parking brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209202.0A CN106926865B (en) | 2017-03-31 | 2017-03-31 | The alleviation device of locomotive parking brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106926865A true CN106926865A (en) | 2017-07-07 |
| CN106926865B CN106926865B (en) | 2019-06-18 |
Family
ID=59425643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710209202.0A Active CN106926865B (en) | 2017-03-31 | 2017-03-31 | The alleviation device of locomotive parking brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926865B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677480A (en) * | 2019-03-04 | 2019-04-26 | 北京小李行车科技发展有限公司 | A kind of hand propelled delivery vehicle, braking control system and application method |
| CN114919555A (en) * | 2022-01-20 | 2022-08-19 | 克诺尔车辆设备(苏州)有限公司 | Brake relieving device and loading method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2141500A (en) * | 1983-06-17 | 1984-12-19 | Westinghouse Brake & Signal | Spring-applied electric motor-released actuator eg for brakes |
| CN104442905A (en) * | 2014-11-26 | 2015-03-25 | 南京浦镇海泰制动设备有限公司 | Relieving device of railway vehicle basic braking parking cylinder |
| CN106218665A (en) * | 2016-09-08 | 2016-12-14 | 上海六辔机电科技有限公司 | A kind of active-passive integrated formula rail vehicle motor drives friction stopping device |
| CN205836839U (en) * | 2016-06-21 | 2016-12-28 | 克诺尔车辆设备(苏州)有限公司 | The hand relieving device of vehicle brake, car braking assembly and rail vehicle |
| CN205836840U (en) * | 2016-06-21 | 2016-12-28 | 克诺尔车辆设备(苏州)有限公司 | The hand relieving device of vehicle brake, car braking assembly and rail vehicle |
| CN106274968A (en) * | 2016-09-08 | 2017-01-04 | 上海六辔机电科技有限公司 | A kind of Wedge type rail vehicle motor drives friction stopping device |
-
2017
- 2017-03-31 CN CN201710209202.0A patent/CN106926865B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2141500A (en) * | 1983-06-17 | 1984-12-19 | Westinghouse Brake & Signal | Spring-applied electric motor-released actuator eg for brakes |
| CN104442905A (en) * | 2014-11-26 | 2015-03-25 | 南京浦镇海泰制动设备有限公司 | Relieving device of railway vehicle basic braking parking cylinder |
| CN205836839U (en) * | 2016-06-21 | 2016-12-28 | 克诺尔车辆设备(苏州)有限公司 | The hand relieving device of vehicle brake, car braking assembly and rail vehicle |
| CN205836840U (en) * | 2016-06-21 | 2016-12-28 | 克诺尔车辆设备(苏州)有限公司 | The hand relieving device of vehicle brake, car braking assembly and rail vehicle |
| CN106218665A (en) * | 2016-09-08 | 2016-12-14 | 上海六辔机电科技有限公司 | A kind of active-passive integrated formula rail vehicle motor drives friction stopping device |
| CN106274968A (en) * | 2016-09-08 | 2017-01-04 | 上海六辔机电科技有限公司 | A kind of Wedge type rail vehicle motor drives friction stopping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677480A (en) * | 2019-03-04 | 2019-04-26 | 北京小李行车科技发展有限公司 | A kind of hand propelled delivery vehicle, braking control system and application method |
| CN114919555A (en) * | 2022-01-20 | 2022-08-19 | 克诺尔车辆设备(苏州)有限公司 | Brake relieving device and loading method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106926865B (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204396564U (en) | Air throttle water pipe bender | |
| EP2647542A1 (en) | Transverse adjustment mechanism for a bilateral half-spring type load-carrying head | |
| CN211308536U (en) | Driving-parking integrated brake for vehicle and vehicle with same | |
| CN108640025B (en) | Dismounting device for unit brake of urban rail vehicle | |
| CN106926865A (en) | The alleviation device of locomotive parking brake device | |
| CN104057009A (en) | Vertical hydraulic riveting machine | |
| CN103628717A (en) | Stereo-garage vehicle storing and taking system | |
| CN104074971B (en) | A kind of pure electric automobile automatic transmission box parking mechanism | |
| CN205292617U (en) | Electronic and mechanical braking system | |
| CN204527621U (en) | Aircraft electric braking device | |
| CN106662183A (en) | Vehicle brake actuator | |
| CN209176710U (en) | A kind of novel track vehicle twin-stage brake gear | |
| CN205371370U (en) | Car automatic control clutch operating mechanism | |
| CN208221526U (en) | Gear auxiliary type straight line mould group | |
| CN206987489U (en) | A kind of sweep accesses switch | |
| CN201824892U (en) | Electronic mechanical brake of automobile | |
| CN108556918B (en) | Wheelbase adjustable process bogie | |
| CN211371196U (en) | Clutch transmission unit and electric control execution module | |
| CN103088855A (en) | Electric control device of small-sized loader | |
| CN203917782U (en) | Vertical hydraulic rivet driver | |
| CN208556617U (en) | A kind of wheel nut device for screwing up | |
| CN202655516U (en) | Novel numerical control steel bar bending mechanism | |
| CN202623321U (en) | Numerically controlled electric screw press | |
| CN206936789U (en) | Blind nut winding device in a kind of oil-pressure damper | |
| CN104525656B (en) | Air throttle water pipe bender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190516 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Applicant after: CRRC QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. Applicant after: Qingdao Sirui Technology Co., Ltd. Address before: 266111 Qingdao High-tech Industrial Development Zone, Qingdao, Shandong Province, on the south side of Xinye Road and on the west side of Herong Road Applicant before: Qingdao Sirui Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee after: CRRC Brake System Co., Ltd Address before: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee before: Qingdao Sirui Technology Co., Ltd |