CN205044756U - Subway engineering car electric drive bogie - Google Patents
Subway engineering car electric drive bogie Download PDFInfo
- Publication number
- CN205044756U CN205044756U CN201520763904.XU CN201520763904U CN205044756U CN 205044756 U CN205044756 U CN 205044756U CN 201520763904 U CN201520763904 U CN 201520763904U CN 205044756 U CN205044756 U CN 205044756U
- Authority
- CN
- China
- Prior art keywords
- axle box
- framework
- bogie truck
- wheel
- spring
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a subway engineering car electric drive bogie, including the framework, two couples of wheel pairs, axle box, a plurality of primary suspension system, secondary suspension system, drive arrangement, draw gear, axle box connecting device, arresting gear, weighing device and earthing device, the beneficial effect of the utility model: adopt the rubber heap to bear + the traction lever mode of pulling, solved the cartridge bear with trailing longitudinal impact problem, adopt unit arresting gear, compare the realization with traditional lever arresting gear daily non -maintaining, has reduced the maintenance work volume, the relative subway coach bogie of this bogie structure is simple, structure mode presses the optimization of subway engineering car demand, adopts the rubber heap to bear the weight of substituting air spring and bears the weight of to be aided with the device that prevents body side roll, adopt single traction pull rod to replace two traction pull rod of Z shape and core pin, simplified automobile body interface and bogie structure, improved anufacturability.
Description
Technical field
The utility model relates to bogies for railway vehicles technology, particularly relates to a kind of subway engineering car driven by power bogie truck.
Background technology
Along with the continuous expansion of domestic subway scale, the demand of subway maintenance engineering truck is also increasing.The standard that current engineering truck bogie truck is ununified, its pattern mainly contains two kinds.The first adopts traditional roller bearing adapter stabilizer bar to change a social system, and is connected by cartridge with between car body, and bogie truck Major Systems is roller bearing adapter stabilizer bar pattern, if lever Block brake system, is Li Nuoer shock absorber etc.; The second adopts subway or the passenger car bogie transformation of the way, and its keystone configuration is passenger car bogie pattern, if air bellow, zigzag drawing pull bar, are tumbler axle-box location etc.
For subway engineering vehicle, existing two kinds of pattern bogie trucks are not design based on the optimal design that needs of subway engineering vehicle.The first bogie truck is railway freight wagon design originally, and its problem is: loosely organized, running velocity is low; Adopt cartridge and side bearing sharing lood to transmit vertical force and tractive force, and transmit longitudinal force, lever brake system and roller bearing adapter stabilizer bar H framework, when being used for the subway engineering car of dynamic demand, are difficult to increase power plant; The various deployment cost of the second bogie truck is high, and its subway train carriage special purpose interface, as one be swing arm type positioning, two being that LF etc. proposes too high interface manufacture requirements for engineering truck, adding manufacture difficulty, improves manufacture maintenance cost.
Utility model content
The purpose of this utility model is exactly to solve the problem, provide a kind of subway engineering car driven by power bogie truck, this bogie truck has the advantages that compact, the relative subway passenger car bogie of the relatively traditional truck construction of structure is simple, structural pattern is optimized by subway engineering car demand.
To achieve these goals, the utility model adopts following technical scheme:
A kind of subway engineering car driven by power bogie truck, comprising:
Framework, be " H " character form structure, the centre of two curb girders is recessed, and the middle part of crossbeam is provided with secondary spring seat;
Two pairs of wheels are right, and often pair of wheel is to being separately positioned between two curb girders;
Axle box, is arranged on the two ends that wheel is right, and be provided with for the right bearing of support wheel in axle box inside, axle box is connected with framework;
Multiple primary spring, upper end and the framework of primary spring are fixed, and lower end and axle box are fixed;
Secondary suspension system, comprise for limiting vertical backstop that car body sidewinders, for providing the lateral damper of lateral vibration absorbing damping and being rubber spring for two of bearing body vertical load, two is that rubber spring is located in secondary spring seat, and vertical backstop and lateral damper are all arranged architecturally;
Actuating device, comprises drive motor, and drive motor connects gear case, and gear case one end is arranged on wheel to upper, and the other end is connected on framework by suspension rod;
Draw gear, comprises draw bar, and draw bar one end is connected with car body, and the other end is connected with framework.
Limit car body by vertical backstop in secondary suspension system to sidewinder, provide lateral vibration absorbing damping by lateral damper, two is that rubber spring improves steering resistance square for bearing body vertical load.
Further, in the middle of two curb girders, concave part is equipped with stopping seat and vibration proof mounting, and stopping seat is arranged on the middle part of curb girder, and described vertical backstop is located at the top of stopping seat, and one end of described lateral damper is fixed on vibration proof mounting, and the other end and car body are fixed.
Further, described secondary suspension system also comprises the disconnecting prevention structure that prevents bogie truck to be separated with car body and the elastic bolster guide for limiting cross-car displacement, disconnecting prevention structure bottom is fixing architecturally, top is connected with car body, elastic bolster guide is located at the medial surface of described stopping seat, the cross travel of restriction car body.
Further, also comprise brake equipment, brake equipment comprises the brake unit being located at wheel side, and multiple brake unit passes through pipeline connection each other.
Further, described primary spring comprises two groups of rubber metal pad springs.
Further, also comprise weighting apparatus, weighting apparatus comprises weighing valve composition, weighing valve composition bottom is located at the top of described rubber metal pad spring, top and described framework are fixed, weighing valve composition is connected with one end of weighing valve pipeline, and the other end of weighing valve pipeline is connected with described brake equipment, and weighting apparatus is used for the adjustment of braking force.
Further, also comprise earth system, earth system comprises the carbon brush composition being arranged on axle box end, and one end of the upper dead earth line of carbon brush composition, the other end of grounding jumper is by being fixed on described framework, and earth system is used for preventing electric current from flowing through bearing.
Further, be respectively provided with a rubber metal pad mount pad in the both sides of described axle box, described rubber metal pad spring bottom is fixed by fastener and rubber metal pad mount pad.
Further, also comprise wheel for cross connection axle box to connecting device, wheel comprises connecting rod arranged in a crossed manner to connecting device, the two ends of every root connecting rod are connected to two wheels on a diagonal line on axle box respectively by fastening structure, mount pad is fixed with on axle box at wheel, fastening structure is located on mount pad, takes turns and improves diametral curve carrying capacity to connecting device.
Further, described fastening structure is ball pivot, and the outside of ball pivot is fastened on described mount pad, and the movable end of ball pivot is connected with the end winding support of described connecting rod.
Principle of work of the present utility model is: framework is used for car body transmitting tractive and braking force, supported cart body weight, each parts of location bogie truck are installed, and bear from wheel to the vibratory impulse with car body, hang actuating device, brake equipment and transmit these parts produce motive power; Primary spring adopts the rubber spring structure of rubber taper, not only conveniently fixes with axle box, and to decrease one be vertical damper, reduces the total quality of bogie truck simultaneously; Make full use of the structure space of bogie truck, secondary suspension system is installed, reduce bogie truck volume and ensure that connection fiduciary level.Actuating device by drive motor and gear case to wheel to transferring power, brake equipment is used for auxiliary wheel to stop motion, and weighting apparatus is connected with brake equipment, is convenient to the adjustment to braking force size.
Compared with prior art, the utility model has the following advantages:
1) the relatively traditional truck construction of this bogie structure is compact, have employed H type welded frame, improves bogie truck highest running speed, meets drive system assembling needs.
2) adopt rubber metal pad carrying+draw bar traction mode, solve the longitudinal impact problem of cartridge carrying and traction.
3) adopt unit brake device, realize daily non-maintaining compared with traditional lever brake equipment, reduce maintenance workload.
4) simple, the structural pattern of the relative subway passenger car bogie of this bogie structure press the optimization of subway engineering car demand, rubber metal pad carrying is adopted to substitute air bellow carrying, reduce manufacture difficulty, and then reduce manufacture maintenance cost, and be aided with the device preventing car body from sidewindering, adopt single traction rod to replace the two drawing pull bar of Z-type and center pin, simplify car body interface and bogie structure, improve anufacturability.
5) realized the connection of connecting rod and mount pad by ball pivot, improve the anti-diamonding ability of bogie truck, normal curving performance can not be affected again, and avoid the abrasion problems of conventional coupling arrangement.
6) comprehensively, solve existing roller bearing adapter stabilizer bar remodeling engineering truck bogie truck degraded performance, problem that subway train carriage bogie truck remodeling engineering truck bogie truck cost is high, meet the specialized bogie truck demand of subway engineering car and subway handling labor needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is framework structure schematic diagram of the present utility model;
Fig. 3 is primary spring structural representation of the present utility model;
Fig. 4 is secondary suspension system architecture schematic diagram of the present utility model;
Fig. 5 is secondary suspension system architecture partial schematic diagram of the present utility model;
Fig. 6 is brake device structure schematic diagram of the present utility model;
Fig. 7 of the present utility modelly takes turns connecting device structural representation;
Fig. 8 is the part-structure schematic diagram of electric powerplant of the present utility model;
Fig. 9 is the structural representation of weighting apparatus of the present utility model;
Figure 10 is the structural representation of draw gear of the present utility model;
Figure 11 is the structural representation of earth system of the present utility model;
Wherein, 1. it is right to take turns, 2. framework, 3. primary spring, 4. secondary suspension system, 5. brake equipment, 6. axle box composition, 7. take turns connecting device, 8. electric powerplant, 9. weighting apparatus, 10. draw gear, 11. earth systems, 210. curb girder compositions, 211. primary spring seats, 212. Brake Block, 213. weigh valve seat, 220. crossbeam, 221. secondary spring seats, 222. traction seat, 223. motor card articles, 224. anticreep seats, 230. stopping seat, 240. damper base, 250. motor cabinet, 260. gear box bracket, 301. one is conical rubber pile, 302. jam plate, 410. vertical backstops, 420. lateral damper, 430. two is rubber spring, 440. anti-drop device, 450. transverse elasticity backstops, the manual tread braking unit of 510. band, 520. are not with hand braking tread braking unit, 601. rubber metal pad mount pads, 710. mount pad, 720. Connection Block, 730. connecting rod, 810. drive motor, 820. gear case, 830. coupler, 840. suspension rod, 910. weighing valve compositions, 920. weighing valve pipelines, 1010. drawing pull bar, 1020. ball pivot, 1110. grounding carbon brush forms, 1120. grounding jumper.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises two wheels to 1, framework 2, four primary springs, 3, secondary suspension system 4, a set of brake equipment 5, four axle boxes 6, one wheel to connecting device 7, a set of electric powerplant 8, a set of weighting apparatus 9, draw gear 10, two earth systems 11.Described axle box 6 is arranged on eachly takes turns 1 two ends; Described primary spring 3 is vertically arranged between axle box 6 and framework 2; Described secondary suspension system 4 is arranged on framework 2; Brake equipment 5 is arranged on inside framework 2; Described wheel is arranged on axle box 6 bottom to connecting device 7; Electric powerplant 8 is arranged on wheel on 1 and framework 2; Described weighting apparatus 9 is arranged on framework 2 end; Draw gear 10 is arranged on the top of framework 2 crossbeam; Described earth system 11 is arranged on axle box 6 end.
As Fig. 2, described framework 2 is H-shaped welded frame, form primarily of two curb girders, 210, crossbeam 220, also be provided with two stopping seats, 230, two damper bases, 240, two motor cabinets, 250, two gear box brackets 260, stopping seat 230 on same curb girder 210 and damper base 240 be arranged in parallel, motor cabinet 250 is located at the side of framework 2 crossbeam 220, and gear box bracket 260 is located at the side of framework 2 crossbeam 220.Curb girder 210 end lower is provided with primary spring seat 211 and valve seat 213 of weighing, and is provided with Brake Block 212 inside curb girder 210; Crossbeam 220 is provided with two secondary spring seats 221, traction seat 222, motor card article 223, side is provided with anticreep seat 224, motor card article 223 is located on crossbeam 220, and motor card article 223 and motor cabinet 250 (a vertical transverse direction) cooperation fix motor.
As Fig. 1 and Fig. 3, it is conical rubber pile 301 and jam plate 302 that primary spring 3 comprises one.One is be fit into bottom conical rubber pile 301 in the rubber metal pad mount pad 601 of axle box 6 both sides, and is fixed on by jam plate 302 and fastener (bolt and nut) and is arranged on rubber metal pad mount pad 601; One is that conical rubber pile 301 top is fixed on the spring perch 211 of framework 2 by fastener.
As Fig. 1 and Fig. 4, Fig. 5, secondary suspension system 4 is symmetricly set on framework 2, is that rubber spring 430, two anti-drop devices 440, two transverse elasticity backstops 450 form by two vertical backstop, 410, two lateral dampers 420, two two.Described vertical backstop 410 is arranged on stopping seat 230 top of framework 2, sidewinders for limiting car body; Described lateral damper 420 is arranged on the vibration proof mounting 240 of framework 2, provides lateral vibration absorbing damping; Two be that rubber spring 430 is arranged on the secondary spring seat 221 of framework 2, provides steering resistance square for bearing body vertical load; Anti-drop device 440 is cable type, and bottom is arranged on the anticreep seat 223 of framework 2 by round pin, and top is connected with car body, and under preventing unforeseen circumstances, bogie truck is separated with car body; Transverse elasticity backstop 450 is arranged on the horizontal medial surface of stopping seat 230 of framework 2, the cross travel of restriction car body.
As Fig. 1 and Fig. 6, described brake equipment 5 is not with hand braking tread braking unit 520 to form by two band manual tread braking units 510, two.Described two kinds of tread braking units 510 and 520 are arranged on the Brake Block 212 of framework 2 with bolt, are connected each other by pipeline.
As Fig. 1 and Fig. 7, described wheel comprises mount pad 710, Connection Block 720 and connecting rod 730 to connecting device.Described mount pad 710 welds or is cast on axle box 6, described Connection Block 720 is arranged on mount pad 710, described connecting rod 730 adopts fastener to be connected with the Connection Block 720 at two diagonal angles respectively, Connection Block 720 is integrative-structure or Split type structure, select as the case may be, and, connecting rod 730 is arranged on Connection Block 720 by ball pivot, make the length of connecting rod 730 non-stretchable, two wheel to 1 can only yaw motion to radial position, can not horizontal or longitudinal changing of the relative positions, thus improve anti-diamonding ability, normal curving performance can not be affected again; The connection of ball pivot and Connection Block 720 for being fixedly connected with, elasticity location, avoid the abrasion problems that conventional cross rod-type wheel connects connecting device round pin; Wheel makes two of bogie truck wheels possess diametral curve carrying capacity to 1 to the setting of connecting device, improve operation stability, and under the prerequisite of not influence curve carrying capacity, reduce wheeling edge wearing, take turns and connecting device can be arranged as the case may be or do not arranged.
As shown in Figure 1, Figure 2 and Fig. 8, actuating device 8 forms 840 by two drive motor, 810, two gears case, 820, two coupler, 830, two suspension rods and forms.On the motor card article 223 that drive motor 810 is arranged on framework 2 by fastener and motor cabinet 250; Gear case 820 one end is arranged on wheel on 1, the other end by suspension rod composition 840 hanging on the gear box bracket 260 of framework 2; Be connected by coupler 830 between drive motor 810 with gear case 820.
As Fig. 1 and Fig. 9, described weighting apparatus 9 comprises a set of weighing valve composition 910 and a set of weighing valve pipeline 920.Being seated in one bottom described weighing valve composition 910 is conical rubber pile 301 top, and top is arranged on weighs on valve seat 213, and described weighing valve pipeline 920 one end forms 910 with weighing valve and is connected, and the other end is connected with motor vehicle braking system.Described weighting apparatus 9 is that the load of conical rubber pile 301 is converted into air pressure signal by one, outputs to brake system by weighing valve pipeline 920, adjustment braking force size.
As Fig. 1 and Figure 10, described drawing pull bar composition 10 comprises a drawing pull bar 1010, two pieces ball pivot 1020.The interference of described ball pivot 1020 is arranged in the hole at drawing pull bar 1010 two ends.Described drawing pull bar 10 one end adopts fastener to be arranged on the traction seat 222 of framework 2 by ball pivot 1020 axle, and the other end is arranged on car body by fastener, transmits the longitudinal traction between car body and bogie truck.
As Fig. 1 and Figure 11, described earth system 11 comprises a grounding carbon brush composition 1110, grounding jumper 1120.Described grounding carbon brush composition 1110 is arranged on axle box 6 end, and described grounding jumper 1120 one end adopts fastener to be arranged on grounding carbon brush composition 1110, and the other end is arranged on framework 2 by fastener.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. a subway engineering car driven by power bogie truck, is characterized in that, comprising:
Framework, be " H " character form structure, the centre of two curb girders is recessed, and the middle part of crossbeam is provided with secondary spring seat;
Two pairs of wheels are right, and often pair of wheel is to being separately positioned between two curb girders;
Axle box, is arranged on the two ends that wheel is right, and be provided with for the right bearing of support wheel in axle box inside, axle box is connected with framework;
Multiple primary spring, upper end and the framework of primary spring are fixed, and lower end and axle box are fixed;
Secondary suspension system, comprise for limiting vertical backstop that car body sidewinders, for providing the lateral damper of lateral vibration absorbing damping and being rubber spring for two of bearing body vertical load, two is that rubber spring is located in secondary spring seat, and vertical backstop and lateral damper are all arranged architecturally;
Actuating device, comprises drive motor, and drive motor connects gear case, and gear case one end is arranged on wheel to upper, and the other end is connected on framework by suspension rod;
Draw gear, comprises draw bar, and draw bar one end is connected with car body, and the other end is connected with framework.
2. drive bogie truck as claimed in claim 1, it is characterized in that, in the middle of two curb girders, concave part is equipped with stopping seat and vibration proof mounting, stopping seat is arranged on the middle part of curb girder, described vertical backstop is located at the top of stopping seat, one end of described lateral damper is fixed on vibration proof mounting, and the other end and car body are fixed.
3. drive bogie truck as claimed in claim 2, it is characterized in that, described secondary suspension system also comprises the disconnecting prevention structure that prevents bogie truck to be separated with car body and the elastic bolster guide for limiting cross-car displacement, disconnecting prevention structure bottom is fixing architecturally, top is connected with car body, and elastic bolster guide is located at the medial surface of described stopping seat.
4. drive bogie truck as claimed in claim 1, it is characterized in that, also comprise unit brake device, brake equipment comprises the brake unit being located at wheel side, and multiple brake unit passes through pipeline connection each other.
5. drive bogie truck as claimed in claim 4, it is characterized in that, described primary spring comprises two groups of rubber metal pad springs.
6. drive bogie truck as claimed in claim 5, it is characterized in that, also comprise weighting apparatus, weighting apparatus comprises weighing valve composition, weighing valve composition bottom is located at the top of described rubber metal pad spring, top and described framework are fixed, and weighing valve composition is connected with one end of weighing valve pipeline, and the other end of weighing valve pipeline is connected with described brake equipment.
7. the driving bogie truck as described in claim 1 or 6, it is characterized in that, also comprise earth system, earth system comprises the carbon brush composition being arranged on axle box end, one end of the upper dead earth line of carbon brush composition, the other end of grounding jumper is by being fixed on described framework.
8. the driving bogie truck as described in claim 4 or 5, is characterized in that, is respectively provided with a rubber metal pad mount pad in the both sides of described axle box, and described rubber metal pad spring bottom is fixed by fastener and rubber metal pad mount pad.
9. drive bogie truck as claimed in claim 1, it is characterized in that, also comprise wheel for cross connection axle box to connecting device, wheel comprises connecting rod arranged in a crossed manner to connecting device, the two ends of every root connecting rod are connected to two wheels on a diagonal line on axle box respectively by fastening structure, be fixed with mount pad at wheel on axle box, fastening structure is located on mount pad.
10. drive bogie truck as claimed in claim 9, it is characterized in that, described fastening structure is ball pivot, and the outside of ball pivot is fastened on described mount pad, and the movable end of ball pivot is connected with the end winding support of described connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763904.XU CN205044756U (en) | 2015-09-29 | 2015-09-29 | Subway engineering car electric drive bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520763904.XU CN205044756U (en) | 2015-09-29 | 2015-09-29 | Subway engineering car electric drive bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205044756U true CN205044756U (en) | 2016-02-24 |
Family
ID=55338356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520763904.XU Expired - Fee Related CN205044756U (en) | 2015-09-29 | 2015-09-29 | Subway engineering car electric drive bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205044756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151069A (en) * | 2015-09-29 | 2015-12-16 | 济南轨道交通装备有限责任公司 | Electric driving bogie for subway engineering vehicle |
| CN109080655A (en) * | 2018-10-17 | 2018-12-25 | 西南交通大学 | Simple Straddle type monorail train bogie |
| CN112078622A (en) * | 2020-09-07 | 2020-12-15 | 中国铁建重工集团股份有限公司 | Suspension device and vehicle |
-
2015
- 2015-09-29 CN CN201520763904.XU patent/CN205044756U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151069A (en) * | 2015-09-29 | 2015-12-16 | 济南轨道交通装备有限责任公司 | Electric driving bogie for subway engineering vehicle |
| CN109080655A (en) * | 2018-10-17 | 2018-12-25 | 西南交通大学 | Simple Straddle type monorail train bogie |
| CN112078622A (en) * | 2020-09-07 | 2020-12-15 | 中国铁建重工集团股份有限公司 | Suspension device and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105151069A (en) | Electric driving bogie for subway engineering vehicle | |
| CN201882093U (en) | Bogie used on high-speed subway train | |
| CN102490755B (en) | Bogie for high-speed rail wagon | |
| CN102963388B (en) | Flexible direct-drive type steering rack | |
| CN108045390A (en) | The built-in bogie of broad gauge railcar axle box | |
| CN202016473U (en) | Meter gauge bogie | |
| CN101857033B (en) | 80km/h speed class B-type subway vehicle bogie | |
| CN103523037A (en) | Track vehicle steering frame | |
| CN104325991A (en) | Rail vehicle and hinged bogie for same | |
| CN102765402A (en) | Metro bogie | |
| CN101823492A (en) | Triaxial bogie for 160km/h wide-rail passenger electric express locomotive | |
| CN103661464A (en) | Rapid freight car radial bogie | |
| CN104057970A (en) | Low floor tramcar steering bogie | |
| CN111301471A (en) | Railway vehicle bogie | |
| CN102582645A (en) | Electric transmission bogie for track engineering vehicle | |
| CN103523036A (en) | Radial bogie for low-floor trains | |
| CN103112466A (en) | Railway vehicle bogie | |
| CN202413831U (en) | High-speed rail wagon bogie | |
| CN202413820U (en) | Electric drive bogie for rail engineering vehicles | |
| CN101934740A (en) | Levitation frame device for high-speed magnetic levitation train | |
| CN102530005A (en) | Four-shaft locomotive steering frame arranged under shaft box | |
| CN205044756U (en) | Subway engineering car electric drive bogie | |
| CN101823494A (en) | Type B metro bogie of 120km/h speed rating | |
| CN203888816U (en) | 30-ton axle load electric locomotive two-axle steering frame | |
| CN112026828B (en) | Bogie and locomotive with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee after: Shandong Zhongche Locomotive Co. Ltd. Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee before: Jinan Rail Traffic Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20180929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |