CN204311792U - A kind of fire wall - Google Patents
A kind of fire wall Download PDFInfo
- Publication number
- CN204311792U CN204311792U CN201420732195.4U CN201420732195U CN204311792U CN 204311792 U CN204311792 U CN 204311792U CN 201420732195 U CN201420732195 U CN 201420732195U CN 204311792 U CN204311792 U CN 204311792U
- Authority
- CN
- China
- Prior art keywords
- keel
- connector
- centre
- horizontal
- fire wall
- 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
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 53
- 239000010959 steel Substances 0.000 claims description 53
- 238000000576 coating method Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 6
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003321 amplification Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 239000004567 concrete Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Abstract
The utility model discloses a kind of fire wall, it has the framework of two-layer symmetry, and centre is cavity, also comprises: the first noninflammable material, the first connector connecting two-layer framework, wallboard and the second noninflammable material.Framework comprises: stationary pipes, the second connector, centre keel, horizontal keel, the 3rd connector, four connectors, the 5th connector connect; Wherein, on same layer framework, the spacing of in vertical direction two adjacent horizontal keel is the first spacing, and the spacing of two adjacent centre keels is the second spacing, and the length of described wallboard is the twice of the second spacing, and the width of described wallboard is described first spacing.Be fixed on solid wall by stationary pipes, centre keel and horizontal keel are connected with stationary pipes is dismountable, make the framework of fire wall be convenient to installation and removal.
Description
Technical field
The utility model relates to substation safety guard technology field, particularly relates to a kind of fire wall.
Background technology
Transformer station is the assembly place of the transmission and disttrbution of power system, higher for the requirement of preventing fires and close, and therefore, is all provided with fire wall for the main transformer in transformer station, for shutoff main transformer and external environment.In order to meet main transformer safe operation, the fire wall demand fulfillment firm and durable of main transformer and the high requirement of fire-protection rating.
Existing fire wall adopts brick wall (masonry wall) usually, reinforced concrete wall, and then at wall plastering and coatings decoration, can not dismantling of this fire wall, labor intensive is many, and body of wall is laid particular stress on, and speed of application is slow.
Utility model content
The purpose of this utility model is to provide a kind of fire wall, is convenient to installation and removal.
For solving the problems of the technologies described above, the utility model provides a kind of fire wall, and described fire wall has the framework of two-layer symmetry, and centre is cavity, and described fire wall also comprises:
For filling the first noninflammable material of described cavity;
Be arranged at the first connector for connecting two-layer framework in described cavity;
For covering the wallboard of described framework, described wallboard has the horizontal side plate bending towards described cavity;
And for filling the second noninflammable material of described wallboard junction;
Wherein, described framework comprises:
The stationary pipes be connected with solid wall;
For fixing the second connector of described solid wall and described stationary pipes;
The centre keel be connected with described stationary pipes or horizontal keel; Wherein, with described centre keel or described horizontal keel junction, have the 3rd connector, described 3rd connector is connected with described horizontal keel and described stationary pipes; Or described 3rd connector is connected with described centre keel and described stationary pipes;
Be arranged at the 4th connector of described centre keel and described horizontal keel infall;
Wherein, described wallboard is arranged at the mesh place be made up of described horizontal keel and described centre keel, and described horizontal side plate is connected by the 5th connector with described horizontal keel; On same layer framework, the spacing of in vertical direction two adjacent horizontal keel is the first spacing, and the spacing of two adjacent centre keels is the second spacing, and the length of described wallboard is the twice of the second spacing, and the width of described wallboard is described first spacing.
Preferably, described first connector is:
Connect the tube connector of two horizontal keel in same level;
And the first bolt of fixing described tube connector and described two keel;
Wherein, in described same level, two horizontal keel adhere to different frameworks separately.
Preferably, described second connector is: chemical anchor bolts.
Preferably, described chemical anchor bolts be spaced apart 1 meter.
Preferably, described 3rd connector is:
Be welded in the first steel angle hitch in described stationary pipes and the second steel angle hitch;
And connect the second bolt of described first steel angle hitch, centre keel and the second steel angle hitch successively; Or connect the second bolt of described first steel angle hitch, horizontal keel and the second steel angle hitch successively;
Wherein, the spacing of described first steel angle hitch and the second steel angle hitch and the width of described centre keel or horizontal keel match.
Preferably, described 4th connector is:
Be welded in the angle steel on described horizontal keel;
And connect the angle steel of two adjacent horizontal keel and the 3rd bolt of centre keel.
Preferably, described 5th connector is:
Be arranged at the steel gusset plate between two adjacent wall board;
Connect the 4th bolt of described steel gusset plate and described horizontal keel;
Connect the 5th bolt of the horizontal side plate of described steel gusset plate and described two adjacent wall board.
Preferably, described wallboard has sprayed coating.
Preferably, described stationary pipes is the square tube of 200 × 100 × 6mm; Described horizontal keel are the square tube of 80 × 40 × 4mm; Described centre keel is the square tube of 200 × 80 × 4mm.
Preferably, all there is fire resistant coating on described horizontal keel or centre keel surface, and the cavity of described horizontal keel or centre keel fills fire prevention rock wool.
Fire wall provided by the utility model, is fixed on solid wall by stationary pipes, and centre keel and horizontal keel are connected with stationary pipes is dismountable, makes the framework of fire wall be convenient to installation and removal, can utilize by secondary.Fire wall is two-layer framework, and the cavity of framework has the first noninflammable material, can effectively extend the fire prevention time.In addition, be also filled with the second noninflammable material in the junction of wallboard, make the better tightness of fire wall, increase the safety of fire wall further.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of fire wall vertical section structure chart that Fig. 1 provides for the utility model;
One deck frame construction drawing of a kind of fire wall that Fig. 2 provides for the utility model;
The amplification assumption diagram of a kind of first connector A that Fig. 3 provides for the utility model;
The amplification assumption diagram of a kind of second connector B that Fig. 4 provides for the utility model;
The amplification assumption diagram of a kind of 3rd connector C that Fig. 5 provides for the utility model;
The amplification assumption diagram of a kind of 4th connector D that Fig. 6 provides for the utility model;
The amplification assumption diagram of a kind of 5th connector E that Fig. 7 provides for the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to the utility model protection domain.
Core of the present utility model is to provide a kind of fire wall, is convenient to installation and removal.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of fire wall vertical section structure chart that Fig. 1 provides for the utility model.One deck frame construction drawing of a kind of fire wall that Fig. 2 provides for the utility model.
As shown in Figure 1, described fire wall has the framework 1 of two-layer symmetry, and centre is cavity 2, and described fire wall also comprises:
For filling the first noninflammable material 3 of described cavity 2;
Be arranged at the first connector A for connecting two-layer framework in described cavity 2;
For covering the wallboard 4 of described framework 2, described wallboard 4 has the horizontal side plate bending towards described cavity 2;
And for filling the second noninflammable material 5 of described wallboard 4 junction.
As shown in Figure 2, described framework 1 comprises:
The stationary pipes 11 be connected with solid wall;
For fixing the second connector B of described solid wall and described stationary pipes 11;
The centre keel 12 be connected with described stationary pipes 11 or horizontal keel 13; Wherein, with described centre keel 12 or described horizontal keel 13 junction, have the 3rd connector C, described 3rd connector C is connected with described horizontal keel 13 and described stationary pipes 11; Or described 3rd connector C is connected with described centre keel 12 and described stationary pipes 11;
Be arranged at the 4th connector D of described centre keel 12 and described horizontal keel 13 infall;
Wherein, described wallboard 4 is arranged at the mesh place be made up of described horizontal keel 13 and described centre keel 12, and described horizontal side plate is connected, see Fig. 1 by the 5th connector E with described horizontal keel 13; On same layer framework 1, the spacing of in vertical direction two adjacent horizontal keel 13 is the first spacing d1, the spacing of two adjacent centre keels 12 is the second spacing d2, and the length of described wallboard 4 is twices of the second spacing d2, and the width of described wallboard 4 is described first spacing d1.
In concrete enforcement, install stationary pipes 11 on each limit of solid wall by the second connector B, be connected by centre keel 12 with the stationary pipes 11 in horizontal direction by the 3rd connector C, the spacing of the centre keel 12 that each centre keel 12 is adjacent with it is d2; Be connected by the 3rd connector C with the stationary pipes 11 on vertical direction by horizontal keel 13, the spacing of the horizontal keel 13 that each horizontal keel 13 are adjacent with it is d1.At the infall of each centre keel 12 and horizontal keel 13, be provided with the 4th connector D, centre keel 12 and horizontal keel 13 are fixed by the 4th connector D.With above-mentioned connected mode, multiple centre keel 12 and multiple horizontal keel 13 define mesh, namely constitute one deck framework 1 of fire wall, and another layer of framework 1 is also same structure.Two-layer framework 1 is connected by the first connector A, just forms an entirety.After framework 1 is put up, the first noninflammable material 3 is filled up at cavity 2 place formed at framework 1, better can play fireproofing function.The wallboard 4 covering described framework 1 is placed in mesh place.Wherein, the length of wallboard 4 is d2, and width is d1, and therefore a wallboard 4 can cover two mesh simultaneously, and centre keel 12 is uniformly distributed in the junction of wallboard 4 and the centerline of wallboard 4, and horizontal keel 13 are uniformly distributed in the junction of wallboard 4.In the junction of wallboard 4 with horizontal keel 13, the horizontal side plate of wallboard 4 is connected by the 5th connector E with horizontal keel 13, after connecting, fills the second noninflammable material 5 in the junction of each wallboard 4.
The fire wall that the present embodiment provides can for convenience detach and install, and the first noninflammable material 3 is filled in the cavity 2 of two frameworks 1 formation, fill the second noninflammable material 5 in the junction of each wallboard 4, not only can postpone the fireproof time further, and better tightness.
It should be noted that, the present embodiment does not specify length and the specification of fixed bar 11, centre keel 12, horizontal keel 13, can arrange according to the concrete size of solid wall.Such as, centre keel 12 adopts the structure of whole piece shape, and horizontal keel 13 adopt the structure of segmentation shape, is convenient to installation and removal like this.The size of wallboard 4 customizes according to the spacing of the spacing of horizontal keel 13 and centre keel 12.In order to can firm and durable, wallboard 4 can select zinc-plated steel plate.In addition, the first noninflammable material 3 can be anti-guncotton or other fire proofing materials, and the second noninflammable material 5 can be Waterproof gum.
The amplification assumption diagram of a kind of first connector A that Fig. 3 provides for the utility model.First connector A is:
Connect the tube connector A1 of two horizontal keel 13 in same level;
And the first bolt A2 of fixing described tube connector A1 and described two keel 13;
Wherein, in described same level, two horizontal keel 13 adhere to different frameworks 1 separately.
By adopting the mode of tube connector A1 and the first bolt A2, two frameworks 1 being coupled together, making whole fire wall more firmly stable.
The amplification assumption diagram of a kind of second connector B that Fig. 4 provides for the utility model.Second connector B is: chemical anchor bolts.
Select the stationary pipes 11 of appropriate length, by chemical anchor bolts, stationary pipes 11 is connected with solid wall, thus plays the effect of fixing stationary pipes 11.
It should be noted that, adopt chemical anchor bolts to be only a kind of preferred embodiment, in concrete enforcement, can also be other modes.
As one preferred embodiment, described chemical anchor bolts be spaced apart 1 meter.
The amplification assumption diagram of a kind of 3rd connector C that Fig. 5 provides for the utility model.Because horizontal keel are identical with the connected mode of stationary pipes with centre keel, only provide centre keel and the stationary pipes amplification assumption diagram by the 3rd connector C here, the 3rd connector C is:
Be welded in the first steel angle hitch C1 in described stationary pipes 11 and the second steel angle hitch C2;
And connect the second bolt C3 of described first steel angle hitch C1, centre keel 12 and the second steel angle hitch C2 successively; Or connect the second bolt of described first steel angle hitch, horizontal keel and the second steel angle hitch successively;
Wherein, described first steel angle hitch C1 and the spacing of the second steel angle hitch C2 and the width of described centre keel 12 match.
Conveniently assemble, stationary pipes 11 is welded the first steel angle hitch C1 and the second steel angle hitch C2 in advance, wherein, the two welding position should in the place of installing centre keel 12, and the spacing of the two should match with the width of centre keel 12.Centre keel 12 is placed between the first steel angle hitch C1 and the second steel angle hitch C2, by the second bolt C3, the first steel angle hitch C1, the second steel angle hitch C2 and centre keel 12 is connected.
Adopt the mode of steel angle hitch and bolt to be easy for installation and removal, and cost is lower.
It should be noted that, Fig. 5 is only a kind of preferred embodiment of the present utility model, does not represent and only has this kind of.In addition, in concrete enforcement, horizontal keel can adopt same form with the connection of stationary pipes, but are not limited to this one.
The amplification assumption diagram of a kind of 4th connector D that Fig. 6 provides for the utility model.4th connector D is:
Be welded in the angle steel D1 on described horizontal keel 13;
And connect the angle steel D1 of two adjacent horizontal keel 13 and the 3rd bolt bolt D2 of centre keel 12.
In concrete enforcement, at the welding edges angle steel D1 of horizontal keel 13, horizontal keel 13 and centre keel 12 infall, by be connected with same centre keel 12 and two angle steel D1 in same horizontal direction connected by the 3rd bolt D2, with this, two horizontal keel 13 and centre keel 12 just couple together.Considering the flexible of horizontal keel 13 and centre keel 12, therefore, when welding angle steel D1, the end of angle steel D1 can be exceeded the end of (can select more than 5mm) horizontal keel 13, so that horizontal keel 13 and centre keel 12 is flexible.
The amplification assumption diagram of a kind of 5th connector E that Fig. 7 provides for the utility model.5th connector E is: be arranged at the steel gusset plate E1 between two adjacent wall board 4;
Connect the 4th bolt E2 of described steel gusset plate E1 and described horizontal keel 13;
Connect the 5th bolt E3 of the horizontal side plate of described steel gusset plate E1 and described two adjacent wall board 4.
In concrete enforcement, in the junction of two wallboards 4, steel gusset plate E1 is connected by the 4th bolt E2 with horizontal keel 13, and the horizontal side plate of two adjacent wall board is all fixed by the both sides of the 5th bolt E3 and steel gusset plate E1, two wallboards 4 and horizontal keel 13 are fixed.
As one preferred embodiment, described wallboard has sprayed coating.
Wallboard arranges sprayed coating, effectively can reduce corrosivity, extend the life-span of wallboard further.
As another preferred embodiment, described stationary pipes is the square tube of 200 × 100 × 6mm; Described horizontal keel are the square tube of 80 × 40 × 4mm; Described centre keel is the square tube of 200 × 80 × 4mm.
Adopt square tube that the area of the junction of whole fire wall can be made to increase, make the structure of fire wall more firm.
As another preferred embodiment, all there is fire resistant coating on described horizontal keel or centre keel surface, and the cavity of described horizontal keel or centre keel fills fire prevention rock wool.
The surface of horizontal keel and centre keel is arranged fire resistant coating and fills fire prevention rock wool and can effectively extend the fire prevention time.
It should be noted that, above-described embodiment does not all specify the model of bolt, and the first to the 5th bolt can be same model, also can be not same model, or can be that part is identical, concrete selection can according to actual conditions, and the Selecting parameter of all parts; In addition, in concrete enforcement, bolts and nuts need be with the use of, and because this technology is the matching relationship that those skilled in the art all grasp, and the purpose of this utility model is the connection that all parts is described, so there is no illustrate nut.
Above fire wall provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a fire wall, is characterized in that, described fire wall has the framework of two-layer symmetry, and centre is cavity, and described fire wall also comprises:
For filling the first noninflammable material of described cavity;
Be arranged at the first connector for connecting two-layer framework in described cavity;
For covering the wallboard of described framework, described wallboard has the horizontal side plate bending towards described cavity;
And for filling the second noninflammable material of described wallboard junction;
Wherein, described framework comprises:
The stationary pipes be connected with solid wall;
For fixing the second connector of described solid wall and described stationary pipes;
The centre keel be connected with described stationary pipes or horizontal keel; Wherein, with described centre keel or described horizontal keel junction, have the 3rd connector, described 3rd connector is connected with described horizontal keel and described stationary pipes; Or described 3rd connector is connected with described centre keel and described stationary pipes;
Be arranged at the 4th connector of described centre keel and described horizontal keel infall;
Wherein, described wallboard is arranged at the mesh place be made up of described horizontal keel and described centre keel, and described horizontal side plate is connected by the 5th connector with described horizontal keel; On same layer framework, the spacing of in vertical direction two adjacent horizontal keel is the first spacing, and the spacing of two adjacent centre keels is the second spacing, and the length of described wallboard is the twice of the second spacing, and the width of described wallboard is described first spacing.
2. fire wall according to claim 1, is characterized in that, described first connector is:
Connect the tube connector of two horizontal keel in same level;
And the first bolt of fixing described tube connector and described two keel;
Wherein, in described same level, two horizontal keel adhere to different frameworks separately.
3. fire wall according to claim 1, is characterized in that, described second connector is: chemical anchor bolts.
4. fire wall according to claim 3, is characterized in that, described chemical anchor bolts be spaced apart 1 meter.
5. fire wall according to claim 1, is characterized in that, described 3rd connector is:
Be welded in the first steel angle hitch in described stationary pipes and the second steel angle hitch;
And connect the second bolt of described first steel angle hitch, centre keel and the second steel angle hitch successively; Or connect the second bolt of described first steel angle hitch, horizontal keel and the second steel angle hitch successively;
Wherein, the spacing of described first steel angle hitch and the second steel angle hitch and the width of described centre keel or horizontal keel match.
6. fire wall according to claim 1, is characterized in that, described 4th connector is:
Be welded in the angle steel on described horizontal keel;
And connect the angle steel of two adjacent horizontal keel and the 3rd bolt of centre keel.
7. fire wall according to claim 1, is characterized in that, described 5th connector is:
Be arranged at the steel gusset plate between two adjacent wall board;
Connect the 4th bolt of described steel gusset plate and described horizontal keel;
Connect the 5th bolt of the horizontal side plate of described steel gusset plate and described two adjacent wall board.
8. fire wall according to claim 1, is characterized in that, described wallboard has sprayed coating.
9. fire wall according to claim 1, is characterized in that, described stationary pipes is the square tube of 200 × 100 × 6mm; Described horizontal keel are the square tube of 80 × 40 × 4mm; Described centre keel is the square tube of 200 × 80 × 4mm.
10. the fire wall according to claim 1 to 9 any one, is characterized in that, all there is fire resistant coating on described horizontal keel or centre keel surface, and the cavity of described horizontal keel or centre keel fills fire prevention rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732195.4U CN204311792U (en) | 2014-11-27 | 2014-11-27 | A kind of fire wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732195.4U CN204311792U (en) | 2014-11-27 | 2014-11-27 | A kind of fire wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204311792U true CN204311792U (en) | 2015-05-06 |
Family
ID=53134114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732195.4U Active CN204311792U (en) | 2014-11-27 | 2014-11-27 | A kind of fire wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204311792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513097A (en) * | 2021-04-09 | 2021-10-19 | 李一炜 | Semi-fixed foldable assembling mechanical light fireproof partition device and method thereof |
| CN115171563A (en) * | 2022-06-15 | 2022-10-11 | 新城控股集团股份有限公司 | Novel structure that advertising cloth installation was dismantled |
-
2014
- 2014-11-27 CN CN201420732195.4U patent/CN204311792U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513097A (en) * | 2021-04-09 | 2021-10-19 | 李一炜 | Semi-fixed foldable assembling mechanical light fireproof partition device and method thereof |
| CN115171563A (en) * | 2022-06-15 | 2022-10-11 | 新城控股集团股份有限公司 | Novel structure that advertising cloth installation was dismantled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107227870B (en) | Substation building spliced by prefabricated parts | |
| NZ588004A (en) | Prefabricated self-supporting construction panel with insulation and ribs on one side for enabling concrete to be formed on panel | |
| CN204875845U (en) | Box -type substation's installation basis | |
| CN205242629U (en) | Novel house that can peg graft and assemble | |
| CN204311792U (en) | A kind of fire wall | |
| CN110821023A (en) | Villa flat tile large-gradient inclined roof construction method | |
| CN201635009U (en) | Long-acting building stay cable | |
| CN101775781A (en) | Long-acting building guy cable | |
| CN211873363U (en) | Plugging structure and secondary structure | |
| CN105507428B (en) | The house and assemble method of pluggable assembling | |
| CN202899576U (en) | Novel piping shaft | |
| CN215166861U (en) | Assembled indoor hollow non-bearing partition wall | |
| CN205304159U (en) | Protection screen cabinet fireproof sealing of transformer substation device | |
| CN112726937B (en) | Take ornamental face tenon fourth of twelve earthly branches assembled to contain spool box structure building block and wall body | |
| CN209686448U (en) | A kind of prefabricated assembled pipe gallery of sheet hydrant and its piping lane unit | |
| CN212053307U (en) | Steel wire net frame cement light composite heat insulation wall | |
| CN204645358U (en) | Template and floor | |
| CN203911436U (en) | Cable fireproofing tray | |
| CN210238782U (en) | Indoor steel beam non-exposed structure of assembled steel structure house | |
| CN211143394U (en) | Assembled polyphenyl composite board wall connection structure | |
| CN206570991U (en) | The U-shaped noise reduction fire rated wall structure of main transformer | |
| CN211455974U (en) | Bridge frame grounding device | |
| CN204456628U (en) | A kind of rock wool sandwiching board connecting structure | |
| CN205382596U (en) | Partition wall in building of environment -friendly | |
| CN205921344U (en) | Cable pit assembly structure and assembled cable pit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |