CN212506830U - A kind of building exterior wall insulation board installation structure - Google Patents
A kind of building exterior wall insulation board installation structure Download PDFInfo
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- CN212506830U CN212506830U CN202020821576.5U CN202020821576U CN212506830U CN 212506830 U CN212506830 U CN 212506830U CN 202020821576 U CN202020821576 U CN 202020821576U CN 212506830 U CN212506830 U CN 212506830U
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Abstract
本实用新型涉及一种建筑外墙保温板安装结构，包括多个龙骨片、多个保温板本体，以及支撑装置；支撑装置包括支撑片，支撑片包括前板、侧板和底板，且前板、侧板和底板之间两两相互垂直；前板、侧板上均开设有若干连接孔，龙骨片上开设有与连接孔相对应的安装孔，支撑片通过穿设在侧板连接孔和龙骨片安装孔内的连接螺栓及螺母与龙骨片相互固定，且支撑片通过穿设在前板连接孔内的膨胀螺栓固定在外墙墙面上；保温板本体安装在相邻的两个龙骨片之间，保温板本体的底部抵在支撑片的底板上；上下相邻的两个保温板本体之间设置有独立于外墙设置的连接装置。本实用新型在降低对外墙的破坏程度的同时，实现了方便对保温板本体进行更换和维修的功能。
The utility model relates to an installation structure of a building exterior wall insulation board, comprising a plurality of keel pieces, a plurality of insulation board bodies, and a support device; the support device comprises a support piece, and the support piece comprises a front plate, a side plate and a bottom plate, and the front plate , The side plate and the bottom plate are perpendicular to each other; the front plate and the side plate are provided with a number of connecting holes, and the keel piece is provided with a mounting hole corresponding to the connecting hole, and the support piece passes through the side plate connecting hole and the keel. The connecting bolts and nuts in the plate installation holes are fixed to each other with the keel plate, and the support plate is fixed on the outer wall wall through the expansion bolts penetrated in the connecting hole of the front plate; the insulation board body is installed between the two adjacent keel plates. the bottom of the thermal insulation board body abuts on the bottom plate of the support sheet; a connection device independent of the outer wall is arranged between the two thermal insulation board bodies that are adjacent to each other up and down. The utility model realizes the functions of convenient replacement and maintenance of the thermal insulation board body while reducing the degree of damage to the outer wall.
Description
Technical Field
The utility model belongs to the technical field of heated board mounting structure's technique and specifically relates to a building external wall heated board mounting structure is related to.
Background
The existing building insulation board is usually adhered to the surface of an outer wall through a direct adhering mode, so that the heat insulation effect on the interior of a building is achieved, but the existing building insulation board is directly adhered to the outer wall, so that the outer wall insulation board is difficult to replace and disassemble, and various different mounting structures of the outer wall insulation board convenient to replace are formed in the current building construction practice.
If an external wall insulation board mounting structure that patent document publication number is CN210421463U, this kind of external wall insulation board mounting structure's main technical scheme is, sets up the recess on the wall body to at the fixed section of thick bamboo of recess installation, set up a plurality of through-holes on the heated board, and establish fixed subassembly in the through-hole interpolation, fixed subassembly insert in the fixed section of thick bamboo, thereby installed the wallboard on the outer wall.
The groove needs to be formed in the outer wall of the outer wall insulation board mounting structure, construction difficulty in installation of the insulation board is increased, structural strength of the outer wall is affected by the groove, and the outer wall insulation board mounting structure is convenient to replace and maintain in the later period, but affects safety of a building.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the above-mentioned prior art, the utility model aims at providing a building external wall insulation board mounting structure, it supports the heated board body on the backing sheet through set up backing sheet and fossil fragments piece on the outer wall face to connect adjacent heated board body through the connecting device who is independent of the outer wall, thereby when reducing the destruction degree to the outer wall, realized conveniently changing the function with the maintenance to the heated board body.
The above object of the present invention is achieved by the following technical solutions:
a mounting structure of a building external wall insulation board comprises a plurality of keel pieces, a plurality of insulation board bodies and a supporting device, wherein the keel pieces are mounted on the wall surface of an external wall; the supporting device comprises a supporting sheet, the supporting sheet comprises a front plate, side plates and a bottom plate, and the front plate, the side plates and the bottom plate are mutually vertical in pairs; the front plate and the side plate are both provided with a plurality of connecting holes, the keel sheet is provided with mounting holes corresponding to the connecting holes, the support sheet is mutually fixed with the keel sheet through connecting bolts and nuts which are arranged in the connecting holes of the side plate and the mounting holes of the keel sheet in a penetrating way, and the support sheet is fixed on the wall surface of the outer wall through expansion bolts arranged in the connecting holes of the front plate in a penetrating way; the insulation board body is arranged between two adjacent keel sheets, and the bottom of the insulation board body is abutted against the bottom plate of the supporting sheet; and a connecting device independent of the outer wall is arranged between the upper and lower adjacent two insulation board bodies.
By adopting the technical scheme, the supporting sheet is fixedly arranged on the wall surface of the outer wall through the expansion bolt, the keel sheet is fixedly arranged on the supporting sheet through the connecting bolt and the nut, the mounting position of the heat-insulation board body is limited, and the two heat-insulation board bodies which are adjacent up and down are detachably mounted through the connecting device; because backing sheet and outer wall pass through expansion bolts interconnect, connecting device and outer wall mutual independence to convenient and fast more during the installation has reduced the destruction degree to outer wall structure, when having guaranteed heated board body demountable installation, has made things convenient for the change and the maintenance of heated board body.
The utility model discloses a further set up to: the bottom plate of the supporting sheet is provided with a through hole, the connecting device comprises a connecting rod penetrating through the through hole and a plurality of butt joint holes arranged at the top and the bottom of the insulation board body, the butt joint holes are blind holes, the butt joint holes are arranged corresponding to the through hole in the bottom plate, and the depth of the butt joint holes is smaller than the length of the connecting rod; the latter half of connecting rod penetrates the below in the butt joint hole at heated board body top, and the first half of connecting rod penetrates in the butt joint hole of top heated board body bottom.
Through adopting above-mentioned technical scheme, the connecting rod can play the function of connecting top heated board body and below heated board body, and the connecting rod passes the through-hole, has prevented that the heated board body from producing the displacement of perpendicular to wall direction, makes bearing that the heated board body can be stable on the bottom plate of backing sheet.
The utility model discloses a further set up to: the latter half of connecting rod sets up to the threaded rod, and the first half sets up to the polished rod, be provided with the screw thread in the butt joint hole at heated board body top, the threaded rod portion and the butt joint hole threaded connection at heated board body top of connecting rod, the polished rod portion of connecting rod wears to establish in the butt joint hole of heated board body bottom.
Through adopting above-mentioned technical scheme, when the installation heated board body, at first the installation is located the heated board body of below, passes the through-hole of bottom plate with the screw thread pole portion of connecting rod after again, in the butt joint hole at screw in below heated board body top, and during the installation of top heated board body, directly with the butt joint hole cover of bottom on the smooth rod portion of the connecting rod of having installed can, both improved the stability of heated board body installation, again easy to assemble.
The utility model discloses a further set up to: and a hand screwing part is arranged on the part between the threaded rod and the polished rod of the connecting rod, and a plurality of convex edges are fixedly arranged on the hand screwing part.
Through adopting above-mentioned technical scheme, when the connecting rod is twisted to the hand, the bead has increased the frictional force between hand and the connecting rod to made things convenient for the staff to twist the connecting rod and moved.
The utility model discloses a further set up to: the insulation board body with the gap intussuseption between the fossil fragments is filled with fire prevention inflation sealing strip, also fills in the gap between the adjacent insulation board body from top to bottom has fire prevention inflation sealing strip.
Through adopting above-mentioned technical scheme, fire prevention inflation sealing strip can improve the holistic fire behavior of outer wall insulation construction, has sealed the clearance between the heated board body in addition, has improved the heat preservation effect.
The utility model discloses a further set up to: the heat insulation board is characterized in that weather-proof sealant is filled in gaps between the heat insulation board bodies and the keel pieces, and weather-proof sealant is filled in gaps between the upper and lower adjacent heat insulation board bodies.
Through adopting above-mentioned technical scheme, sealed glue of waiting can reduce the rainwater and get into the inside probability of heated board body, reduces the rainwater and to the corruption of heated board body inner structure, improves the life of heated board body.
The utility model discloses a further set up to: the insulation board body comprises an insulation layer close to the outer wall surface, an anti-cracking protective layer fixed on the insulation layer, and a decorative layer arranged on the anti-cracking protective layer.
Through adopting above-mentioned technical scheme, the heat preservation of heated board body provides the heat preservation effect for the building, and anti-crack inoxidizing coating can provide protect function to the heated board body, and the decorative layer provides decorative effect.
The utility model discloses a further set up to: the heat preservation layer comprises an adhesive layer and a polystyrene foam plastic layer, and the anti-cracking protective layer comprises an anti-cracking mortar layer and alkali-resistant glass fiber gridding cloth arranged in the anti-cracking mortar layer.
Through adopting above-mentioned technical scheme, the adhesive linkage makes things convenient for the heated board body to bond through the wall of cement mortar and building outer wall, and alkali-resisting glass fiber net check cloth can increase the structural strength on anti mortar layer, makes heated board body overall structure more stable.
To sum up, the utility model discloses a beneficial technological effect does:
1. the supporting sheet and the outer wall surface are mutually connected through the expansion bolts, and the connecting device and the outer wall surface are mutually independent, so that the mounting is more convenient and quicker, the damage degree to the outer wall structure is reduced, the detachable mounting of the heat insulation board body is ensured, and the replacement and the maintenance of the heat insulation board body are facilitated;
2. the connecting rods prevent the insulation board body from displacing in a direction perpendicular to the wall surface; the connecting rod is provided with the threaded rod and the polished rod, so that the mounting stability of the insulation board body is improved, and the insulation board is convenient to mount; the convex edge facilitates the twisting of the connecting rod by workers;
3. the fireproof expansion sealing strip can improve the overall fireproof performance of the external wall insulation structure; the weather-proof sealant can reduce the probability of rainwater entering the interior of the insulation board body; the alkali-resistant glass fiber mesh cloth can increase the structural strength of the anti-crack mortar layer.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the support device;
FIG. 3 is a schematic view of the mounting structure of the supporting device and the keel piece;
FIG. 4 is a fragmentary view to show the fire-intumescent sealing strip and weatherable sealant;
FIG. 5 is a partial cross-sectional view of the insulation board body to show the docking hole;
fig. 6 is a schematic layer structure diagram of the insulation board body.
In the figure, 1, keel sheets; 11. mounting holes; 2. a heat insulation board body; 21. a heat-insulating layer; 211. an adhesive layer; 212. a polystyrene foam layer; 22. an anti-cracking protective layer; 221. an anti-crack cement layer; 222. alkali-resistant glass fiber mesh cloth; 23. a decorative layer; 3. a support device; 31. a support sheet; 311. a front plate; 312. a side plate; 313. a base plate; 314. connecting holes; 315. a through hole; 32. a connecting bolt; 33. a nut; 34. an expansion bolt; 4. a connecting device; 41. a connecting rod; 411. a threaded rod; 412. a polish rod; 413. a hand-wringing portion; 414. a rib; 42. a butt joint hole; 5. a fire-resistant intumescent sealing strip; 6. and (4) weather-resistant sealant.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the mounting structure for the insulation board of the external wall of the building disclosed by the invention comprises a plurality of keel sheets 1 mounted on the wall surface of the external wall, a plurality of insulation board bodies 2, and a plurality of supporting devices 3 for supporting the insulation board bodies 2 and fixing the keel sheets 1; the keel sheets 1 are of strip-shaped sheet structures, the keel sheets 1 are vertically arranged and perpendicular to the wall surface of the outer wall, and the keel sheets 1 are arranged at equal intervals along the horizontal direction; the supporting device 3 comprises a supporting sheet 31, the supporting sheet 31 comprises a front plate 311, a side plate 312 and a bottom plate 313, the front plate 311, the side plate 312 and the bottom plate 313 are integrally fixed, every two of the front plate 311, the side plate 312 and the bottom plate 313 are perpendicular to each other, a plurality of connecting holes 314 are formed in the front plate 311 and the side plate 312, mounting holes 11 corresponding to the connecting holes 314 are formed in the keel sheet 1, the supporting sheet 31 is fixed with the keel sheet 1 through connecting bolts 32 and nuts 33 penetrating through the connecting holes 314 of the side plate 312 and the mounting holes 11 of the keel sheet 1, and the supporting sheet 31 is fixed on the wall surface of an outer wall through expansion bolts 34 penetrating through the connecting holes 314 of the front plate 311, so that the keel sheet 1 can be; with reference to fig. 3, the support pieces 31 are arranged at equal intervals along the height direction of the keel piece 1, and two symmetrically arranged support pieces 31 are arranged on two sides of the keel piece 1 at the same height; the insulation board body 2 is of a cuboid plate-shaped structure, the insulation board body 2 is installed between two adjacent keel pieces 1, the bottom of the insulation board body 2 supports the bottom plate 313 of two supporting pieces 31 which are arranged oppositely, in addition, connecting devices 4 are arranged between two adjacent insulation board bodies 2 from top to bottom and on the supporting pieces 31, and the connecting devices 4 are independent of the setting of an outer wall.
Referring to fig. 1 and 2, a through hole 315 is formed in a bottom plate 313 of the support sheet 31, the connection device 4 includes a connection rod 41 penetrating through the through hole 315, and referring to fig. 5, the connection device 4 further includes a plurality of butt connection holes 42 formed in the top and bottom of the insulation board body 2, the butt connection holes 42 are blind holes, the butt connection holes 42 are disposed corresponding to the through hole 315 on the bottom plate 313, and the depth of the butt connection holes 42 is smaller than the length of the connection rod 41; the latter half of connecting rod 41 penetrates in the butt joint hole 42 at below heated board body 2 top, and the first half of connecting rod 41 penetrates in the butt joint hole 42 of top heated board body 2 bottom to connecting rod 41 can play the function of connecting to top heated board body 2 and below heated board body 2, prevents heated board body 2 to produce the displacement of perpendicular to wall direction, makes bearing that heated board body 2 can be stable on the bottom plate 313 of backing sheet 31.
Referring to fig. 2 and 5, in order to make the connection of the connecting rod 41 to the insulation board body 2 more stable, the lower half of the connecting rod 41 is set as a threaded rod 411, the upper half of the connecting rod 41 is set as a polished rod 412, a thread is arranged in the butt-joint hole 42 at the top of the insulation board body 2, the threaded rod 411 of the connecting rod 41 is in threaded connection with the butt-joint hole 42 at the top of the insulation board body 2, the polished rod 412 of the connecting rod 41 directly penetrates into the butt-joint hole 42 at the bottom of the insulation board body 2, when the insulation board body 2 is installed, the insulation board body 2 at the lower side is installed first, then the threaded rod 411 of the connecting rod 41 is screwed into the butt-joint hole 42 at the top of the insulation board body 2 at the lower side after passing through the through hole 315 of the bottom plate 313, and when the insulation board body 2 at the upper side is installed, the bottom butt, the installation is convenient; in order to facilitate the rotation of the connecting rod 41 by a worker, a hand-screwing part 413 is arranged on a part between the threaded rod 411 and the polished rod 412 of the connecting rod 41, a plurality of ribs 414 are fixedly arranged on the hand-screwing part 413, and when the connecting rod 41 is screwed by the hand, the friction between the hand and the connecting rod 41 is increased by the ribs 414, so that the connecting rod 41 is conveniently screwed by the worker.
Referring to fig. 1 and 4, a gap between the insulation board body 2 and the keel sheet 1 is filled with a fireproof expansion sealing strip 5, and a gap between the upper and lower adjacent insulation board bodies 2 is also filled with a fireproof expansion sealing strip 5, so that the fireproof expansion sealing strip 5 can improve the overall fireproof performance of the external wall insulation structure, and the gap between the insulation board bodies 2 is sealed, thereby improving the insulation effect; in addition, in the gap between insulation board body 2 and fossil fragments 1 to and still fill in the gap between the adjacent insulation board body 2 from top to bottom and have weather-resistant sealed glue 6, weather-resistant sealed glue 6 can reduce the probability that the rainwater got into insulation board body 2 inside, improves insulation board body 2's life.
Referring to fig. 6, the insulation board body 2 includes an insulation layer 21 close to the outer wall surface, an anti-crack protection layer 22 fixed on the insulation layer 21, and a decoration layer 23 disposed on the anti-crack protection layer 22, wherein the insulation layer 21 further includes an adhesive layer 211 and a polystyrene foam layer 212, the anti-crack protection layer 22 includes an anti-crack mortar layer 221 and an alkali-resistant fiberglass mesh fabric 222 disposed in the anti-crack mortar layer 221, and the alkali-resistant fiberglass mesh fabric 222 can increase the structural strength of the anti-crack mortar layer 221; cement mortar is coated between the heat insulation layer 21 and the outer wall body, so that the heat insulation board body 2 can be firmly fixed on the outer wall surface.
The working principle of the utility model is that the support sheet 31 is fixedly installed on the outer wall surface through the expansion bolt 34, the keel sheet 1 is fixedly installed on the support sheet 31 through the connecting bolt 32 and the nut 33, the installation position of the insulation board body 2 is limited, and the insulation board body 2 realizes detachable installation through the connecting rod 41 penetrating into the butt joint hole 42 and the through hole 315 of the support sheet 31; because backing sheet 31 and outer wall pass through expansion bolts 34 interconnect, connecting device 4 and outer wall mutual independence to convenient and fast more during the installation has reduced the destruction degree to outer wall structure, when having guaranteed heated board body 2 demountable installation, has made things convenient for the change and the maintenance of heated board body 2.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A mounting structure of a building external wall insulation board comprises a plurality of keel sheets (1), a plurality of insulation board bodies (2) and a supporting device (3), wherein the keel sheets are mounted on the wall surface of an external wall; the method is characterized in that: the supporting device (3) comprises a supporting sheet (31), the supporting sheet (31) comprises a front plate (311), side plates (312) and a bottom plate (313), and the front plate (311), the side plates (312) and the bottom plate (313) are mutually perpendicular in pairs; the front plate (311) and the side plate (312) are both provided with a plurality of connecting holes (314), the keel sheet (1) is provided with mounting holes (11) corresponding to the connecting holes (314), the support sheet (31) is mutually fixed with the keel sheet (1) through connecting bolts (32) and nuts (33) which are arranged in the connecting holes (314) of the side plate (312) and the mounting holes (11) of the keel sheet (1) in a penetrating manner, and the support sheet (31) is fixed on the outer wall surface through expansion bolts (34) arranged in the connecting holes (314) of the front plate (311) in a penetrating manner; the heat insulation plate body (2) is arranged between two adjacent keel sheets (1), and the bottom of the heat insulation plate body (2) is abutted against a bottom plate (313) of the supporting sheet (31); and a connecting device (4) independent of the outer wall is arranged between the two heat insulation board bodies (2) which are adjacent up and down.
2. The mounting structure of the external wall insulation board of the building according to claim 1, characterized in that: a through hole (315) is formed in a bottom plate (313) of the supporting sheet (31), the connecting device (4) comprises a connecting rod (41) penetrating through the through hole (315), and also comprises a plurality of butt joint holes (42) formed in the top and the bottom of the heat insulation board body (2), the butt joint holes (42) are blind holes, the butt joint holes (42) are arranged corresponding to the through hole (315) in the bottom plate (313), and the depth of the butt joint holes (42) is smaller than the length of the connecting rod (41); the lower half portion of the connecting rod (41) penetrates into a butt joint hole (42) in the top of the heat insulation board body (2) below, and the upper half portion of the connecting rod (41) penetrates into a butt joint hole (42) in the bottom of the heat insulation board body (2) above.
3. The mounting structure of the external wall insulation board of the building according to claim 2, characterized in that: the lower half of connecting rod (41) sets up to threaded rod (411), and the upper half sets up to polished rod (412), be provided with the screw thread in butt joint hole (42) at heated board body (2) top, threaded rod (411) portion and butt joint hole (42) threaded connection at heated board body (2) top of connecting rod (41), polished rod (412) portion of connecting rod (41) is worn to establish into in butt joint hole (42) of heated board body (2) bottom.
4. The mounting structure of the external wall insulation board of the building according to claim 3, characterized in that: a hand-screwing part (413) is arranged on the part between the threaded rod (411) and the polished rod (412) of the connecting rod (41), and a plurality of convex ribs (414) are fixedly arranged on the hand-screwing part (413).
5. The mounting structure for the external wall insulation board of the building according to any one of claims 1 to 4, wherein: the fireproof thermal insulation board is characterized in that fireproof expansion sealing strips (5) are filled in gaps between the thermal insulation board bodies (2) and the keel pieces (1), and fireproof expansion sealing strips (5) are also filled in gaps between the upper and lower adjacent thermal insulation board bodies (2).
6. The mounting structure for the external wall insulation board of the building according to any one of claims 1 to 4, wherein: the heat insulation board is characterized in that weather-proof sealant (6) is filled in gaps between the heat insulation board bodies (2) and the keel pieces (1), and weather-proof sealant (6) is filled in gaps between the upper and lower adjacent heat insulation board bodies (2).
7. The mounting structure for the external wall insulation board of the building according to any one of claims 1 to 4, wherein: the insulation board body (2) comprises an insulation layer (21) close to the outer wall surface, an anti-cracking protective layer (22) fixed on the insulation layer (21), and a decorative layer (23) arranged on the anti-cracking protective layer (22).
8. The mounting structure of the external wall insulation board of the building according to claim 7, characterized in that: the heat-insulating layer (21) comprises an adhesive layer (211) and a polystyrene foam plastic layer (212), and the anti-cracking protective layer (22) comprises an anti-cracking mortar layer (221) and an alkali-resistant glass fiber mesh cloth (222) arranged in the anti-cracking mortar layer (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821576.5U CN212506830U (en) | 2020-05-16 | 2020-05-16 | A kind of building exterior wall insulation board installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821576.5U CN212506830U (en) | 2020-05-16 | 2020-05-16 | A kind of building exterior wall insulation board installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506830U true CN212506830U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020821576.5U Expired - Fee Related CN212506830U (en) | 2020-05-16 | 2020-05-16 | A kind of building exterior wall insulation board installation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN212506830U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550453A (en) * | 2021-06-24 | 2021-10-26 | 北京建工建筑产业化投资建设发展有限公司 | Green construction process for external wall heat insulation |
| CN114718269A (en) * | 2022-04-02 | 2022-07-08 | 中能建路桥工程有限公司 | Positioning and mounting device for building insulation board |
| CN115217341A (en) * | 2022-09-20 | 2022-10-21 | 南通棠卓信息科技有限公司 | A kind of installation method of building wall insulation board |
-
2020
- 2020-05-16 CN CN202020821576.5U patent/CN212506830U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550453A (en) * | 2021-06-24 | 2021-10-26 | 北京建工建筑产业化投资建设发展有限公司 | Green construction process for external wall heat insulation |
| CN114718269A (en) * | 2022-04-02 | 2022-07-08 | 中能建路桥工程有限公司 | Positioning and mounting device for building insulation board |
| CN114718269B (en) * | 2022-04-02 | 2023-09-08 | 中能建路桥工程有限公司 | Building insulation board positioning and mounting device |
| CN115217341A (en) * | 2022-09-20 | 2022-10-21 | 南通棠卓信息科技有限公司 | A kind of installation method of building wall insulation board |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |