CN106428050B - A kind of rail flat car vehicle frame - Google Patents
A kind of rail flat car vehicle frame Download PDFInfo
- Publication number
- CN106428050B CN106428050B CN201611134717.0A CN201611134717A CN106428050B CN 106428050 B CN106428050 B CN 106428050B CN 201611134717 A CN201611134717 A CN 201611134717A CN 106428050 B CN106428050 B CN 106428050B
- Authority
- CN
- China
- Prior art keywords
- steel
- channel beam
- steel channel
- transverse groove
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of rail flat car vehicle frame is related to rail flat car field, including：Including holding object plate, I-beam, steel channel beam, bottom plate, side plate, bearing bracket, reducer pedestal；It is that I-beam and steel channel beam are equipped in doubling plate and its cavity to hold object plate；I-beam has two and is symmetrical arranged in holding object plate cross central line both sides, and steel channel beam includes that several longitudinal steel channel beams and transverse groove girder steel, I-beam are connected with steel channel beam cross-fixing；Hold object plate, bottom plate connects composition body frame structure for automotive platform with side plate, for cavity structure and be equipped with a babinet in body frame structure for automotive platform；Bearing bracket there are four and be fixed in and held under object plate with reducer pedestal, be located in the cavity of body frame structure for automotive platform.A kind of rail flat car vehicle frame of the present invention ensure that it, with enough intensity, can meet and load the needs of larger volume is with car loading on the basis of increasing rail flat car body frame structure for automotive platform.
Description
Technical field
The present invention relates to rail flat car fields, and in particular to a kind of rail flat car vehicle frame.
Background technology
Rail flat car is haulage vehicle in a kind of electric railcar factory, solves the Product transport between factory's interior span.Car body without
Steering wheel only has forward-reverse direction, such vehicle have simple in structure, easy to use, large carrying capacity, be not afraid of it is dirty be not afraid of pound,
It safeguards the features such as easy, service life is long, becomes short distance fixed point frequently delivery between working shop of enterprise inside and workshop and workshop
The preferred means of transport of weight.
Rail flat car vehicle frame is the platform that rail flat car delivers cargo, and rail flat car vehicle frame is bigger to want its structural strength
Ask also higher；Traditional rail flat car body frame structure for automotive platform is not big enough so that delivery car loading is limited to, it is especially desirable to be loaded
When the larger cargo of volume, the supporting platform needed for cargo is can not meet due to body frame structure for automotive so that load, transport is limited
System.
Invention content
For the defects in the prior art, the present invention provides a kind of rail flat car vehicle frame, and structural strength is big, solves existing
The problem of existing rail flat car body frame structure for automotive platform is not big enough in technology, and loading amount and bulkload loading are restricted.
The present invention provides a kind of rail flat car vehicle frames, it is characterised in that：Including holding object plate, I-beam, steel channel beam, bottom
Plate, side plate, bearing bracket, reducer pedestal；The object plate that holds is doubling plate, be equipped in the cavity for holding object plate I-beam and
Steel channel beam；The I-beam has two and is symmetrical arranged in the object plate cross central line both sides of holding, and the steel channel beam includes vertical
To steel channel beam and transverse groove girder steel；The longitudinal direction steel channel beam includes first longitudinal direction steel channel beam, second longitudinal direction steel channel beam, third longitudinal direction
Steel channel beam, the 4th longitudinal steel channel beam and the 5th longitudinal steel channel beam；Third longitudinal direction steel channel beam and Cheng Wu plates longitudinal center
Line overlaps, described first and the 5th longitudinal steel channel beam be symmetrical arranged in the third longitudinal direction steel channel beam both sides, described second and the
Four longitudinal steel channel beams are symmetrical arranged in the third longitudinal direction steel channel beam both sides and both ends are fixedly connected with the I-beam respectively；Institute
It includes the first transverse groove girder steel, the second transverse groove girder steel, third transverse groove girder steel and the 4th transverse groove girder steel to state transverse groove girder steel；
Described first and the 4th transverse groove girder steel be symmetrical arranged in the object plate cross central line both sides of holding, described second and third it is lateral
Steel channel beam in it is described hold object plate cross central line both sides be symmetrical arranged and both ends respectively with described first and the 5th longitudinal steel channel beam
It is fixedly connected；Described first and the 4th transverse groove girder steel be fixedly connected respectively by short channel-section steel between the I-beam, it is described
Short channel-section steel has four and is symmetrical arranged two-by-two respectively at the object plate longitudinal centre line both sides of holding；The first longitudinal direction steel channel beam,
First transverse groove girder steel, the 5th longitudinal steel channel beam and the 4th transverse groove girder steel head and the tail are fixedly connected sequentially, the third cannelure
Girder steel both ends respectively with described first and the 4th transverse groove girder steel be fixedly connected；It is described hold object plate, bottom plate connects composition with side plate
Body frame structure for automotive platform, the interior body frame structure for automotive platform is cavity structure；There are four the bearing brackets and it is described to be located at
Second and the 4th longitudinal steel channel beam and the I-beam junction, the reducer pedestal be located at second longitudinal direction steel channel beam and the second cross
To steel channel beam junction；The bearing bracket and the reducer pedestal are respectively positioned in the cavity of the body frame structure for automotive platform；
As a kind of perferred technical scheme, each steel channel beam and the I-beam intersection are fixedly connected with.
As a kind of perferred technical scheme, it is equipped with I-shaped in the cavity for holding object plate above the bearing bracket
Steel.
As a kind of perferred technical scheme, a babinet, the babinet one are equipped in the cavity of the body frame structure for automotive platform
Side is equipped with chamber door.
As a kind of perferred technical scheme, the chamber door and the side plate are hinged using hinge.
As a kind of perferred technical scheme, the chamber door is equipped with handle.
Due to using the technology described above, the invention has the advantages that：
A kind of rail flat car vehicle frame, including hold object plate, I-beam, steel channel beam, bottom plate, side plate, bearing bracket, speed reducer
Seat；It is doubling plate to hold object plate, holds and is equipped with I-beam and steel channel beam in the cavity of object plate, and I-beam has two and lateral in holding object plate
Center line both sides are symmetrical arranged, and steel channel beam includes longitudinal steel channel beam and transverse groove girder steel；I-beam, steel channel beam and short channel-section steel are intersected
It is fixedly connected；Hold object plate, bottom plate connects composition body frame structure for automotive platform with side plate, be cavity structure in body frame structure for automotive platform；Bearing
There are four seat supports, and bearing bracket and reducer pedestal are respectively positioned in the cavity of body frame structure for automotive platform；It is improved, is being held based on above
Using laterally setting and the connection structure combined with steel channel beam and the friendship of each steel channel beam and I-beam of two I-beams in the cavity of object plate
It is fixedly connected at remittance so that on the basis of increasing rail flat car body frame structure for automotive platform, considerably increase the strong of structure itself
Degree；Each bearing bracket and reducer pedestal are respectively positioned on I-beam and steel channel beam fixed connection place, most due to junction structural strength
Greatly so that bearing force structure is more secured；In this configuration, each I-beam and steel channel beam are by entire rail flat car body frame structure for automotive
Platform is divided into several small square stress areas, and each tie point is substantially cross-connecting structure so that is combined into
Not only volume is big for overall structure, and overall construction intensity improves, can load volume with the larger cargo of weight.
In the present invention, I-steel is equipped in the cavity for holding object plate above bearing bracket.It is improved based on above, adds work
Word steel increases bearing bracket and holds the intensity between object plate tie point, and reason does not hold the gravity on object plate and reaches bearing block branch
Bulging deformation is caused in its junction when on frame, increase bearing bracket and holds the bearing strength of object plate entirety.
In the present invention, a babinet is equipped in the cavity of body frame structure for automotive platform, the babinet side is equipped with chamber door, chamber door and side
Plate is hinged using hinge.It is improved based on above, accumulator can be placed in the babinet being equipped with, the chamber door offered makes accumulator damage
Repair and replacement are more convenient after bad, so that chamber door can be opened and closed easily and service life is long using hinge connection mode.
In the present invention, chamber door is equipped with handle.It is improved based on above, the handle being equipped with more is that user's switch chamber door carries
Convenience is supplied.
In conclusion the present invention ensure that it has enough strong on the basis of increasing rail flat car body frame structure for automotive platform
Degree can meet and load the needs of larger volume is with car loading.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of rearview of the present invention；
Fig. 3 is the structural schematic diagram of front view of the present invention；
Fig. 4 is the structural schematic diagram of A-A sectional views of the present invention；
Reference numeral：1- holds object plate；2- I-beams；3- first longitudinal direction steel channel beams；4- second longitudinal direction steel channel beams；5- thirds are vertical
To steel channel beam；The longitudinal steel channel beams of 6- the 4th；The longitudinal steel channel beams of 7- the 5th；8- the first transverse groove girder steels；9- the second transverse groove girder steels；
10- third transverse groove girder steels；The 4th transverse groove girder steels of 11-；12- short channel-section steels；13- bottom plates；14- side plates；15- bearing brackets；
16- reducer pedestals；17- I-beams；18- babinets；19- chamber doors；20- handles.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be intended only as example, and the protection of the present invention cannot be limited with this
Range.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a kind of rail flat car vehicle frames, including hold object plate 1, I-shaped
Beam 2, steel channel beam, bottom plate 13, side plate 14, bearing bracket 15, reducer pedestal 16；It is doubling plate to hold object plate 1, holds the sky of object plate 1
Intracavitary is equipped with I-beam 2 and steel channel beam；I-beam 2 has two and is symmetrical arranged in holding 1 cross central line both sides of object plate, steel channel beam
Including longitudinal steel channel beam and transverse groove girder steel；Longitudinal steel channel beam includes first longitudinal direction steel channel beam 3, second longitudinal direction steel channel beam 4, third
Longitudinal 6 and the 5th longitudinal steel channel beam 7 of steel channel beam of longitudinal steel channel beam the 5, the 4th；Third longitudinal direction steel channel beam 5 and 1 longitudinal center of Cheng Wuban
Line overlaps, first and the 5th longitudinal steel channel beam 7 be symmetrical arranged in 5 both sides of third longitudinal direction steel channel beam, second and the 4th longitudinal channel steel
Beam 6 is symmetrical arranged in 5 both sides of third longitudinal direction steel channel beam and both ends are fixedly connected with I-beam 2 respectively；Transverse groove girder steel includes the
One transverse groove girder steel 8, the second transverse groove girder steel 9, third transverse groove girder steel 10 and the 4th transverse groove girder steel 11；First and the 4th horizontal
Be symmetrical arranged to steel channel beam 11 in holding 1 cross central line both sides of object plate, second and third transverse groove girder steel 10 in holding object plate 1 laterally
Center line both sides be symmetrical arranged and both ends respectively with first and the 5th longitudinal steel channel beam 7 be fixedly connected；Each steel channel beam and I-beam 2
Intersection is fixedly connected with, first and the 4th transverse groove girder steel 11 be fixedly connected respectively by short channel-section steel 12 between I-beam 2,
Short channel-section steel 12 has four and is symmetrical arranged two-by-two respectively at holding 1 longitudinal centre line both sides of object plate；First longitudinal direction steel channel beam 3, first
The longitudinal steel channel beam 7 of transverse groove girder steel the 8, the 5th and 11 head and the tail of the 4th transverse groove girder steel are fixedly connected sequentially, third longitudinal direction steel channel beam 5
Both ends respectively with first and the 4th transverse groove girder steel 11 be fixedly connected；Hold object plate 1, bottom plate 13 and the connection composition vehicle frame knot of side plate 14
Structure platform, interior body frame structure for automotive platform is cavity structure；Bearing bracket 15 there are four and be located at second and the 4th cannelure
Girder steel 6 and 2 junction of I-beam, the cavity for holding object plate 1 of 15 top of bearing bracket is interior to be equipped with I-steel；Reducer pedestal 16
In 9 junction of second longitudinal direction steel channel beam 4 and the second transverse groove girder steel；Bearing bracket 15 and reducer pedestal 16 are respectively positioned on vehicle frame knot
In the cavity of structure platform.The connection structure for being laterally arranged using two I-beam 2 in the cavity for holding object plate 1 and being combined with steel channel beam
And each steel channel beam and 2 intersection of I-beam are fixedly connected with so that on the basis of increasing rail flat car body frame structure for automotive platform, greatly
It is big to increase the intensity for finishing structure itself；Each bearing bracket 15 and reducer pedestal 16 are respectively positioned on I-beam 2 and steel channel beam is fixed and connected
Place is met, due to junction structural strength maximum so that bearing force structure is more secured；In this configuration, each I-beam 2 and slot
Entire rail flat car body frame structure for automotive platform is divided into several small square stress areas by girder steel, and each tie point is substantially
Cross-connecting structure so that not only volume is big for the overall structure being combined into, and overall construction intensity improves, being capable of load volume
With the cargo that weight is larger.
A babinet 18 is equipped in the cavity of the rail flat car body frame structure for automotive platform, 18 side of babinet is equipped with chamber door 19, chamber door
19 is hinged using hinge with side plate 14, and chamber door 19 is equipped with handle 20；Accumulator can be placed in the babinet 18 being equipped with, is offered
For chamber door 19 so that repair and replacement are more convenient after battery damage, hinge connection mode facilitates the folding of chamber door 19 and service life
Long, the handle 20 being equipped with provides a convenient for user.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (6)
1. a kind of rail flat car vehicle frame, it is characterised in that：Including holding object plate, I-beam, steel channel beam, bottom plate, side plate, bearing block branch
Frame, reducer pedestal；
The object plate that holds is doubling plate, and I-beam and steel channel beam are equipped in the cavity for holding object plate；The I-beam has two
And be symmetrical arranged in the object plate cross central line both sides of holding, the steel channel beam includes longitudinal steel channel beam and transverse groove girder steel；
The longitudinal direction steel channel beam includes first longitudinal direction steel channel beam, second longitudinal direction steel channel beam, third longitudinal direction steel channel beam, the 4th cannelure
Girder steel and the 5th longitudinal steel channel beam；Third longitudinal direction steel channel beam is overlapped with the object plate longitudinal centre line that holds, first He
5th longitudinal steel channel beam is symmetrical arranged in the third longitudinal direction steel channel beam both sides, described second and the 4th longitudinal steel channel beam in described
Third longitudinal direction steel channel beam both sides are symmetrical arranged and both ends are fixedly connected with the I-beam respectively；
The transverse groove girder steel includes that the first transverse groove girder steel, the second transverse groove girder steel, third transverse groove girder steel and the 4th are lateral
Steel channel beam；Described first and the 4th transverse groove girder steel in it is described hold object plate cross central line both sides be symmetrical arranged, second He
Third transverse groove girder steel holds that object plate cross central line both sides are symmetrical arranged and both ends are vertical with described first and the 5th respectively in described
It is fixedly connected to steel channel beam；
Described first and the 4th transverse groove girder steel be fixedly connected respectively by short channel-section steel between the I-beam, the short channel-section steel
There are four and is symmetrical arranged two-by-two respectively at the object plate longitudinal centre line both sides of holding；
The first longitudinal direction steel channel beam, the first transverse groove girder steel, the 5th longitudinal steel channel beam and the 4th transverse groove girder steel head and the tail are successively
Be fixedly connected, the third longitudinal direction steel channel beam both ends respectively with described first and the 4th transverse groove girder steel be fixedly connected；
It is described hold object plate, bottom plate connects composition body frame structure for automotive platform with side plate, be cavity structure in the body frame structure for automotive platform；
The bearing bracket there are four and be located at described second and the 4th longitudinal steel channel beam and the I-beam junction,
The reducer pedestal is located at second longitudinal direction steel channel beam and the second transverse groove girder steel junction；The bearing bracket and the deceleration
Engine base is respectively positioned in the cavity of the body frame structure for automotive platform.
2. a kind of rail flat car vehicle frame according to claim 1, it is characterised in that：Each steel channel beam and the I-beam
Intersection is fixedly connected with.
3. a kind of rail flat car vehicle frame according to claim 1, it is characterised in that：It is described above the bearing bracket
It holds and is equipped with I-steel in the cavity of object plate.
4. a kind of rail flat car vehicle frame according to claim 1, it is characterised in that：In the cavity of the body frame structure for automotive platform
Equipped with a babinet, the babinet side is equipped with chamber door.
5. a kind of rail flat car vehicle frame according to claim 4, it is characterised in that：The chamber door utilizes hinge with the side plate
Chain is hinged.
6. a kind of rail flat car vehicle frame according to claim 4, it is characterised in that：The chamber door is equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134717.0A CN106428050B (en) | 2016-12-11 | 2016-12-11 | A kind of rail flat car vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134717.0A CN106428050B (en) | 2016-12-11 | 2016-12-11 | A kind of rail flat car vehicle frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106428050A CN106428050A (en) | 2017-02-22 |
| CN106428050B true CN106428050B (en) | 2018-07-20 |
Family
ID=58216510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611134717.0A Active CN106428050B (en) | 2016-12-11 | 2016-12-11 | A kind of rail flat car vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106428050B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719155A (en) * | 1970-10-09 | 1973-03-06 | Acf Ind Inc | Railway flat car having stub center sills |
| CN201633731U (en) * | 2010-04-14 | 2010-11-17 | 南车眉山车辆有限公司 | Broad-gauge multifunction container flat car |
| CN202138384U (en) * | 2011-06-24 | 2012-02-08 | 南车眉山车辆有限公司 | Broad-track universal open locomotive with flip-down lower side door |
| CN103640585A (en) * | 2013-12-27 | 2014-03-19 | 哈尔滨轨道交通装备有限责任公司 | Chassis of railway flat wagon |
| CN203920757U (en) * | 2014-06-24 | 2014-11-05 | 江苏民森机械有限公司 | Automatically rail flat truck |
-
2016
- 2016-12-11 CN CN201611134717.0A patent/CN106428050B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719155A (en) * | 1970-10-09 | 1973-03-06 | Acf Ind Inc | Railway flat car having stub center sills |
| CN201633731U (en) * | 2010-04-14 | 2010-11-17 | 南车眉山车辆有限公司 | Broad-gauge multifunction container flat car |
| CN202138384U (en) * | 2011-06-24 | 2012-02-08 | 南车眉山车辆有限公司 | Broad-track universal open locomotive with flip-down lower side door |
| CN103640585A (en) * | 2013-12-27 | 2014-03-19 | 哈尔滨轨道交通装备有限责任公司 | Chassis of railway flat wagon |
| CN203920757U (en) * | 2014-06-24 | 2014-11-05 | 江苏民森机械有限公司 | Automatically rail flat truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106428050A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205220689U (en) | Motor car bogie frame and motor car bogie | |
| CN203920906U (en) | Electric transporting vehicle | |
| CN105235697A (en) | Train body structure of magnetic suspension train | |
| CN206243171U (en) | 21 cubic metres of drop-bottom cars | |
| CN106428050B (en) | A kind of rail flat car vehicle frame | |
| CN106185720A (en) | Large Copacity portable packed barium sulfate transporter | |
| CN201395076Y (en) | Vehicle frame main body structure of power lifting flat plate frame vehicle | |
| CN205113350U (en) | Special flatcar automobile body of railway container | |
| CN205239506U (en) | Steel floor flatcar automobile body for railway freight car | |
| CN105946886A (en) | Underframe for meter gauge passenger car and meter gauge passenger car | |
| CN202138418U (en) | Auxiliary frame of tank vehicle | |
| CN202174971U (en) | Compartment structure of dump truck | |
| CN212556490U (en) | Carriage bottom plate structure of dump truck | |
| CN204978361U (en) | Carriage and use freight train in this carriage | |
| CN107984148B (en) | A kind of NA1 type railway transport vehicle central sill composition assembling device | |
| CN205417640U (en) | Railway truck chassis | |
| CN109334696B (en) | Motor train underframe of empty rail truck | |
| CN103625484A (en) | Large-axle-weight power-generating vehicle body steel structure | |
| CN202966436U (en) | Loading type electric miniature truck frame assembly | |
| CN207953822U (en) | A kind of automatic automobile swing arm rack | |
| CN102092396B (en) | Mixed steel and wood floor for railway flatcars | |
| CN205220688U (en) | Trailer bogie frame and trailer bogie | |
| CN218489776U (en) | Trailer suspension box girder | |
| CN216829299U (en) | Brake pipe crane assembling device for center sill-free straight-cone inclined-bottom railway tank car | |
| CN205010245U (en) | Low -floor trailer chassis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 1 Hunan City, Shigu province Pine Industrial Park on the road No. 13, No. 421000, factory building Patentee after: Hunan Limei explosion proof equipment manufacturing Co.,Ltd. Address before: 1 Hunan City, Shigu province Pine Industrial Park on the road No. 13, No. 421000, factory building Patentee before: HENGYANG LIMEI BATTERY VEHICLES MANUFACTURING Co.,Ltd. |