CN105398463B - Chair framework - Google Patents
Chair framework Download PDFInfo
- Publication number
- CN105398463B CN105398463B CN201510825430.1A CN201510825430A CN105398463B CN 105398463 B CN105398463 B CN 105398463B CN 201510825430 A CN201510825430 A CN 201510825430A CN 105398463 B CN105398463 B CN 105398463B
- Authority
- CN
- China
- Prior art keywords
- framework
- chair framework
- seat
- hole
- chair
- 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
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/0014—Seat frames
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of chair framework, including：At least two framework beams uniformly arranged along train side walls and the first mounting seat for fixing every framework beam；Every framework beam includes the Part I and hanging Part II being fixedly mounted with train side walls, and Part I and Part II formation L-type structure；First mounting seat includes the U-shaped mounting groove extended along the length direction of Part I and the first mounting bracket stretched out along U-shaped mounting groove notch, and U-shaped mounting groove is fixedly connected with Part I.Chair framework middle skeleton beam provided by the present invention and the first mounting seat formation integrative-structure, so as to ensure that the firm of chair framework, and then, when mounted, only need the first mounting seat to be connected with vehicle body side wall to be connected with vehicle seats again, the installation of whole seat can be completed so that making the installation process of seat while ensure that chair framework is firm becomes simple, improves the installation effectiveness of seat.
Description
Technical field
The present invention relates to vehicle technology, more particularly to a kind of chair framework.
Background technology
Passenger seat is the necessary equipment on rail vehicle, and because it is used frequently, therefore its structure must be firm.
In the prior art, to meet the firm needs of passenger seat, chair framework includes cantilever structure and support type
Material two parts, wherein, the vertical beam of cantilever structure is connected with vehicle body side wall by fasteners such as bolt, nuts, cantilever structure
Cantilever beam be connected with support section bar by fasteners such as bolt, nuts, support section bar to be again connected with seat.
But, the parts that chair framework of the prior art includes are more, and the installation of chair framework is complicated.
The content of the invention
The present invention provides a kind of chair framework, and for solving, chair framework parts in the prior art are more and installation is complicated
The problem of.
The chair framework that the present invention is provided includes：At least two framework beams uniformly being arranged along train side walls and for solid
First mounting seat of fixed every framework beam；Every framework beam includes the Part I that is fixedly mounted with train side walls and vacantly
Part II, the Part I and Part II formation L-type structure；First mounting seat is included along described first
The U-shaped mounting groove of the length direction extension divided and the first mounting bracket stretched out along the U-shaped mounting groove notch, the U
Type mounting groove wraps up the Part I of the framework beam and is fixedly connected with the Part I, and the U-shaped mounting groove passes through
Through hole on first mounting bracket is threaded into being fixed in the train side walls.
Chair framework provided by the present invention includes framework beam and the first mounting seat, and framework beam and the first mounting seat
It is fixed together so that framework beam and the first mounting seat formation integrative-structure, so as to ensure that the firm of chair framework, enters
And, when installing the chair framework, it is only necessary to be connected again with vehicle seats after the first mounting seat is connected with vehicle body side wall, you can complete
Into the installation of whole seat so that making the installation process of seat while ensure that chair framework is firm becomes simple, improve
The installation effectiveness of seat.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
The structural representation of the embodiment one for the chair framework that Fig. 1 provides for the present invention；
The structural representation of the embodiment two for the chair framework that Fig. 2 provides for the present invention；
Second mounting seat structural representation of the embodiment two for the chair framework that Fig. 3 provides for the present invention；
The knot that second mounting seat of the embodiment two for the chair framework that Fig. 4 provides for the present invention is combined with arc-shaped transition part
Structure schematic diagram；
The structural representation of the embodiment three for the chair framework that Fig. 5 provides for the present invention；
The structural representation of the example IV for the chair framework that Fig. 6 provides for the present invention；
The structural representation of the embodiment five for the chair framework that Fig. 7 provides for the present invention；
Fig. 8 is installed on the lateral plan of vehicle body side wall for the chair framework that the present invention is provided；
Lateral plan after the chair framework installation that Fig. 9 provides for the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The structural representation of the embodiment one for the chair framework that Fig. 1 provides for the present invention, as shown in figure 1, the chair framework
Including：At least two framework beams 1 (being exemplified by 3 in Fig. 1) uniformly arranged along train side walls and for fixing every bone
The first mounting seat 2 set a roof beam in place.
Every framework beam 1 includes the Part I 11 and hanging Part II 12 being fixedly mounted with train side walls, the
A part 11 and the formation L-type structure of Part II 12.
First mounting seat 2 includes the U-shaped mounting groove 21 extended along the length direction of Part I 11 and along U-shaped mounting groove
The first mounting bracket 22 that 21 notches stretch out, the Part I 11 of the U-shaped wrapping frame beam of mounting groove 21 and with Part I 11
It is fixedly connected, and U-shaped mounting groove 21 is threaded into being fixed in train side walls by the through hole on the first mounting bracket 22.
Preferably, the Part I 11 of the U-shaped wrapping frame beam of mounting groove 21 and welded with Part I 11.
Preferably, the first mounting bracket 22 is arranged at the centre position of the Part I 11 of framework beam 1 vertically, so that
Ensure the whole uniform force of framework beam 1, and be connected firmly with vehicle body side wall.
Alternatively, every framework beam 1 is hollow cube structure.
When mounted, it is only necessary to will be connected with the first mounting seat 2 that every framework beam 1 is fixed with vehicle body side wall, framework beam
Installation be to complete, then vehicle seats are placed on framework beam 1 and connected, you can complete the installation of whole seat, installation process
It is convenient and swift.
In the present embodiment, chair framework includes framework beam and the first mounting seat, and framework beam and the first mounting seat are solid
Surely link together so that framework beam and the first mounting seat formation integrative-structure, so as to ensure that the firm of chair framework, enter
And, when mounted, it is only necessary to which the first mounting seat is connected with vehicle body side wall and is connected again with vehicle seats, you can complete the peace of whole seat
Dress so that making the installation process of seat while ensure that chair framework is firm becomes simple, improves the installation effect of seat
Rate.
The structural representation of the embodiment two for the chair framework that Fig. 2 provides for the present invention, the seat that Fig. 3 provides for the present invention
Second mounting seat structural representation of the embodiment two of skeleton, the of the embodiment two of chair framework that Fig. 4 provides for the present invention
The structural representation that two mounting seats are combined with arc-shaped transition part, as shown in Figure 2, Figure 3 and Figure 4, on the basis of Fig. 1, the seat
There is arc-shaped transition part 13, also, the chair framework between the Part I 11 and Part II 12 of the framework beam 1 of chair skeleton
Also include：The second mounting seat 3 for fixing every framework beam.
Second mounting seat 3 includes mounting seat body 31 and the second mounting bracket 32 stretched out along mounting seat body 31, peace
Fill seat body 31 and be provided with pockets towards arc-shaped transition part 13.
Second mounting seat 3 is threaded into being fixed in train side walls by the through hole on the second mounting bracket 32, arc-shaped transition
Part 13 is welded on inside above-mentioned pockets.
Preferably, the size of the pockets in mounting seat body 31 is that can all accommodate whole arc-shaped transition part 13
Come in.
In the present embodiment, first, by setting arc-shaped transition part between the Part I and Part II of framework beam,
So that the structure of framework beam is more matched with the structure of vehicle seats, and then the combination of chair framework and vehicle seats is more stepped up
Patch.Secondly, it is partially received in the second installation by increasing by the second mounting seat in chair framework, and by the arc-shaped transition of framework beam
Weld together in seat and with the second mounting seat so that framework beam and the second mounting seat form one knot that is firm and closing
Structure, so as to ensure that the firm and easy for installation of chair framework.
In another embodiment, the through hole on the first mounting bracket 22 is that the through hole on circular hole, the second mounting bracket 32 is slotted hole.
Through hole on first mounting bracket is set to circular hole so that when installing chair framework, the first mounting bracket and car body
Side wall can not be adjusted after being fixedly connected, i.e., using the first mounting bracket as benchmark, and the through hole on the second mounting bracket is set into length
Circular hole so that the second mounting bracket can carry out appropriate adjustment after being connected with vehicle body side wall, so as to adjust chair framework distance ground
The height in face, and then make it that the installation of chair framework is more reasonable.
In another embodiment, above-mentioned chair framework also includes：At least one reinforcement, at least one reinforcement is along each bar
The direction that the bearing of trend of the Part II of framework beam is vertical is fixed with Part II.
The structural representation of the embodiment three for the chair framework that Fig. 5 provides for the present invention, as shown in figure 5, on Fig. 2 basis
On, the reinforcement of the chair framework is two, and a reinforcement 4 is fixed on the Part II 12 of each bar framework beam 1 foremost,
Another reinforcement 5 includes multiple strengthening segments, and each strengthening segment is distributed between the Part II 12 of each bar framework beam 1 with by respectively
The Part II 12 of bar framework beam 1 is strengthened fixing respectively.
Preferably, the length of a reinforcement 4 is more than the distance between two ends framework beam, so as to connecing between same vehicle seats
Contacting surface is bigger, with more preferable supporting seat chair.
Preferably, another reinforcement 5 is except the strengthening segment including being distributed between the Part II 12 of each bar framework beam 1
Outside, in addition to 2 sections of Edge Enhancements section, 2 sections of Edge Enhancements sections are respectively arranged at the both sides of two ends framework beam, and the length stretched out
Degree is identical with a reinforcement 4.
Preferably, pass through between a reinforcement 4 and another Part II 12 with regard to reinforcement 5 and each bar framework beam 1
It is welded and fixed.
Alternatively, a reinforcement 4 and another are hollow cube structure with regard to reinforcement 5.
In the present embodiment, by fixing two reinforcements between each framework beam, so as to form firm integrative-structure
Chair framework, so as to strengthen the bulk strength of chair framework.
In another embodiment, Long Circle is evenly distributed with the upper surface of a reinforcement 4 and another reinforcement 5 and is led to
Hole, also, lower surface be provided with circular hole corresponding with the Long Circle lead to the hole site, the screw of fixing seat penetrated from the circular hole and from
The Long Circle through hole is passed with fixing seat.
During actual installation, vehicle seats are arranged on the top of a reinforcement 4 and another reinforcement 5, a reinforcement
Muscle 4 and the circular hole of the lower section of another reinforcement 5 can be passed through bolt, be easy to bolt to install, the Long Circle through hole of top be used for
C below vehicle seats is bolted, and is adjusted when seat installation site is improper by the Long Circle through hole
Section.
The structural representation of the example IV for the chair framework that Fig. 6 provides for the present invention, as shown in fig. 6, on Fig. 5 basis
On, the chair framework also includes：Entablature 6.
Entablature 6 is located at the top of the Part I 11 of each framework beam 1 and welded with the top.
Alternatively, the length of entablature 6 is equal to the distance between two ends framework beam.
Alternatively, entablature 6 is hollow rectangular parallelepiped structure.
In the present embodiment, entablature is welded as a whole with each framework beam so that the framework of chair framework formation closing, so that
Strengthen the bulk strength of chair framework.
The structural representation of the embodiment five for the chair framework that Fig. 7 provides for the present invention, as shown in fig. 7, on Fig. 6 basis
On, the two ends of entablature 6 are respectively equipped with jacking block 7, and jacking block 7 includes forming the first sheet part 71 and the second sheet of L-type structure
Part 72, the first sheet part 71 is spirally connected with entablature 6, and the end of the second sheet part 72 is covered with block rubber 8.
Alternatively, it is spirally connected on the first sheet part 71 of jacking block 7 by one slotted hole of setting with entablature 6, i.e. jacking block 7
It can be adjusted on entablature 6 in the range of slotted hole, to be adjusted when installing chair framework between jacking block 7 and entablature 6
Relative position, it is ensured that chair framework is reasonable with the distance between side wall.
Preferably, the section of block rubber 8 is triangle, and block rubber 8 towards the surface of train side walls provided with least
One groove.
Alternatively, above-mentioned groove is T-shaped groove, and block rubber 8 is made up of flexible rubber.
During actual installation, jacking block 7 works with block rubber 8 one, by seat panel to vehicle body side wall side compression, so that
The problem of eliminating seat panel and not closely connected built-in side wall.
Alternatively, each part of chair framework is aluminum alloy material in the various embodiments described above.
Fig. 8 is installed on the lateral plan of vehicle body side wall for the chair framework that the present invention is provided, as shown in figure 8, chair framework
By the circular hole of the first mounting bracket 22, the second mounting bracket 32 slotted hole respectively with the sliding block for slipping into vehicle body side wall C-shaped channel in advance
And bolt, nut, pad and upper and lower two C-shaped channels of vehicle body side wall are fastened.It is relative between jacking block 7 and entablature 6 by adjusting
Position ensures the distance between the center of block rubber 8 and built-in side wall a.Seat bone is adjusted using the gap between sliding block and C-shaped channel
Frame fixes the circular hole of the first mounting bracket 22 first apart from the height b of floor, and the slotted hole of the second mounting bracket 23 has enough
Adjustment amount.
Lateral plan after the chair framework installation that Fig. 9 provides for the present invention, as shown in figure 9, chair framework is fixed
After vehicle body side wall, seat panel is inserted from above into, it is ensured that the stile of seat panel back and built-in side wall patch it is tight and
Block rubber 8 has certain decrement between seat panel and jacking block 7.
If tight or decrement can not be pasted not enough, the relative position between jacking block 7 and entablature 6 is readjusted.Now, one
Slotted hole on bar reinforcement 4 and another reinforcement 5 has enough adjustment amounts, will not produce constraint.
Adjust after seat panel position, seat panel is passed through into C-shaped channel below, T-bolt, nut, pad
It is fixed with a reinforcement 4 and another reinforcement 5.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of chair framework, it is characterised in that including：At least two framework beams uniformly being arranged along train side walls and it is used for
First mounting seat of fixed every framework beam；
Every framework beam includes the Part I and hanging Part II being fixedly mounted with train side walls, the Part I
With Part II formation L-type structure；
First mounting seat includes the U-shaped mounting groove extended along the length direction of the Part I and along the U-shaped peace
The first mounting bracket that tankage notch stretches out, the U-shaped mounting groove wraps up the Part I of the framework beam and with described the
A part is fixedly connected, and the U-shaped mounting groove is threaded into being fixed on the train by the through hole on first mounting bracket
In side walls；
There is arc-shaped transition part between the Part I and Part II；The chair framework, in addition to：For fixed every
Second mounting seat of bar framework beam；
Second mounting seat includes mounting seat body and the second mounting bracket stretched out along the mounting seat body, the peace
Dress seat body is arranged with pockets towards the curved transition sections；
Second mounting seat is threaded into being fixed in the train side walls by the through hole on second mounting bracket, described
Arc-shaped transition part is welded on inside the pockets.
2. chair framework according to claim 1, it is characterised in that the through hole on first mounting bracket is circular hole, institute
It is slotted hole to state the through hole on the second mounting bracket.
3. chair framework according to claim 1, it is characterised in that also include：At least one reinforcement, the reinforcement
Fixed along the vertical direction of the bearing of trend of the Part II of each bar framework beam with the Part II.
4. chair framework according to claim 3, it is characterised in that the reinforcement is two, and a reinforcement is fixed
Each bar framework beam Part II foremost, another reinforcement includes multiple strengthening segments, the distribution of each strengthening segment
Between the Part II of each bar framework beam with by the Part II of each bar framework beam strengthen respectively fix.
5. chair framework according to claim 4, it is characterised in that be evenly distributed with the reinforcement upper surface oval
Reinforcement lower surface described in shape through hole is provided with circular hole corresponding with the Long Circle lead to the hole site, and the screw of fixing seat is from described
Circular hole is penetrated and passed from the Long Circle through hole with fixing seat.
6. according to chair framework according to any one of claims 1 to 5, it is characterised in that also include：Entablature；On described
Crossbeam is located at the top of the Part I of each framework beam and welded with the top.
7. chair framework according to claim 6, it is characterised in that the two ends of the entablature are respectively equipped with jacking block, institute
Stating jacking block includes forming the first sheet part and the second sheet part of L-type structure, the first sheet part and the upper horizontal stroke
Beam is spirally connected, and the end of the second sheet part is covered with block rubber.
8. chair framework according to claim 7, it is characterised in that the section of the block rubber is triangle, and described
Block rubber is provided with least one groove towards the surface of the train side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825430.1A CN105398463B (en) | 2015-11-24 | 2015-11-24 | Chair framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825430.1A CN105398463B (en) | 2015-11-24 | 2015-11-24 | Chair framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105398463A CN105398463A (en) | 2016-03-16 |
| CN105398463B true CN105398463B (en) | 2017-09-22 |
Family
ID=55464311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510825430.1A Active CN105398463B (en) | 2015-11-24 | 2015-11-24 | Chair framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105398463B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031846B (en) * | 2017-04-20 | 2019-10-25 | 吉林大学 | A kind of bionical damping aircraft seat skeleton |
| CN111071274B (en) * | 2018-10-19 | 2021-06-01 | 中车唐山机车车辆有限公司 | Seat structure for railway vehicle and railway vehicle |
| CN109435995A (en) * | 2018-11-26 | 2019-03-08 | 中车长春轨道客车股份有限公司 | A kind of track carriage seat protection spool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB614793A (en) * | 1945-08-22 | 1948-12-22 | Ford Motor Co | Improvements in adjustable seats |
| US3899211A (en) * | 1971-12-23 | 1975-08-12 | American Seating Co | Cantilevered seat for motorcoach vehicles or the like |
| EP0197167A1 (en) * | 1985-04-04 | 1986-10-15 | Ignaz Vogel GmbH & Co KG, Fahrzeugsitze | Double passenger seat |
| CN101059005A (en) * | 2006-04-18 | 2007-10-24 | 王广武 | Curtain wall |
| CZ18248U1 (en) * | 2007-12-27 | 2008-02-05 | Borcad Cz, S. R. O. | Rail vehicle seat frame |
| CN201557814U (en) * | 2009-12-15 | 2010-08-25 | 上海坦达轨道车辆座椅系统有限公司 | Fixed seat link gear |
| CN102152798A (en) * | 2011-03-15 | 2011-08-17 | 南京南车浦镇城轨车辆有限责任公司 | General hole fitting device for integral seats of metro vehicles |
| CN203792335U (en) * | 2014-01-16 | 2014-08-27 | 中国矿业大学 | Vertical mobile platform for steel guide rail |
| CN104608794A (en) * | 2015-02-11 | 2015-05-13 | 南车眉山车辆有限公司 | Novel hand-slip preventive brake pull rod for railway truck |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006213237A (en) * | 2005-02-04 | 2006-08-17 | Hitachi Ltd | Seat for vehicle |
-
2015
- 2015-11-24 CN CN201510825430.1A patent/CN105398463B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB614793A (en) * | 1945-08-22 | 1948-12-22 | Ford Motor Co | Improvements in adjustable seats |
| US3899211A (en) * | 1971-12-23 | 1975-08-12 | American Seating Co | Cantilevered seat for motorcoach vehicles or the like |
| EP0197167A1 (en) * | 1985-04-04 | 1986-10-15 | Ignaz Vogel GmbH & Co KG, Fahrzeugsitze | Double passenger seat |
| CN101059005A (en) * | 2006-04-18 | 2007-10-24 | 王广武 | Curtain wall |
| CZ18248U1 (en) * | 2007-12-27 | 2008-02-05 | Borcad Cz, S. R. O. | Rail vehicle seat frame |
| CN201557814U (en) * | 2009-12-15 | 2010-08-25 | 上海坦达轨道车辆座椅系统有限公司 | Fixed seat link gear |
| CN102152798A (en) * | 2011-03-15 | 2011-08-17 | 南京南车浦镇城轨车辆有限责任公司 | General hole fitting device for integral seats of metro vehicles |
| CN203792335U (en) * | 2014-01-16 | 2014-08-27 | 中国矿业大学 | Vertical mobile platform for steel guide rail |
| CN104608794A (en) * | 2015-02-11 | 2015-05-13 | 南车眉山车辆有限公司 | Novel hand-slip preventive brake pull rod for railway truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105398463A (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105398463B (en) | Chair framework | |
| CN104480855B (en) | Cantilevered multi-directional deflection non-bolt comb plate, comb joint stretching device and mounting method thereof | |
| CN108819972B (en) | A kind of rail vehicle and its hitch mounting assembly | |
| CN106836482A (en) | Construction method for reinforcing steel structure beam or column | |
| CN105829193B (en) | Side member, chassis and the trailer chassis for being provided with such side member | |
| CN204238124U (en) | Cantilevered multi-directional deflection non-bolt comb plate, comb joint stretching device | |
| CN208325214U (en) | A kind of cab structure and rail vehicle | |
| CN205469682U (en) | Removable steel grating deck ramp | |
| CN206020764U (en) | A kind of double cables of high voltage substation OPGW draw lower fastener | |
| CN209508812U (en) | A kind of assembled dorsal funciculus structure main cable saddle | |
| CN106809245B (en) | Slidingtype car lug | |
| CN207375553U (en) | Vertical beam component | |
| CN206231399U (en) | A kind of vehicle-mounted double-sided display screen erecting device | |
| CN208917606U (en) | A kind of continuous P C rail beam joint device | |
| CN107588914A (en) | Section of jurisdiction load testing machine | |
| CN209384114U (en) | A kind of device for adjusting and limiting for the pre- deviator of bridge pad | |
| US20110142551A1 (en) | Shield cap for a shield-type mining support | |
| CN208103028U (en) | Safe deposit box aluminum profile inner box shelf | |
| CN217867575U (en) | Wall-attached support, rail supporting device and SC type construction elevator | |
| CN206798932U (en) | A kind of elevator cage support | |
| WO2016097236A1 (en) | Device for the concentration of solar radiation | |
| CN107651540A (en) | A kind of vertical beam component | |
| CN209429559U (en) | A kind of support frame of steel construction | |
| CN203411899U (en) | Bolt type steel strand limiting device | |
| CN219910871U (en) | Self-high-strength ditch cover plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Applicant after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Applicant before: Tangshan Railway Carriage Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |