CN114351879A - Anchoring device and anchoring method for external thermal insulation plate of building external wall - Google Patents
Anchoring device and anchoring method for external thermal insulation plate of building external wall Download PDFInfo
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- CN114351879A CN114351879A CN202111660917.0A CN202111660917A CN114351879A CN 114351879 A CN114351879 A CN 114351879A CN 202111660917 A CN202111660917 A CN 202111660917A CN 114351879 A CN114351879 A CN 114351879A
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- anchoring
- insulation board
- building
- split bolt
- plugging
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- 238000004873 anchoring Methods 0.000 title claims abstract description 82
- 238000009413 insulation Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009422 external insulation Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an anchoring device and an anchoring method for an external heat insulation plate of a building external wall, wherein the anchoring device comprises a split bolt sleeve which is used for fixing a pouring template during pouring and is embedded in the building external wall after pouring, the outer end of the split bolt sleeve is provided with a plugging thread, and the small diameter of the plugging thread is not less than the inner diameter of the split bolt sleeve; the insulation board fixing device is characterized in that an anchoring connecting rod is installed on the plugging thread, an anchoring connecting hole is formed in the outer end face of the anchoring connecting rod, a detachable puncture guide cone is inserted into the anchoring connecting hole, and an insulation board fixing part used for fixing an outer insulation board after the puncture guide cone is detached is further arranged at the outer end of the anchoring connecting rod. The invention can realize anchoring by directly utilizing the holes after pouring, simplifies the construction steps of the external insulation board, has quick hole plugging and good plugging effect, and effectively avoids the damage of the wall body and the reinforcing steel bars in the wall.
Description
Technical Field
The invention relates to the technical field of building outer wall construction, in particular to an anchoring device and an anchoring method for an outer heat insulation plate of a building outer wall.
Background
Building energy conservation is a big trend in the world and is a basic direction and a great strategic problem of the development of modern building technology. The aim of building energy conservation is to reduce the total energy consumption of the building, further relieve the energy demand and reduce the energy crisis impact. The external thermal insulation technology of the external wall is a technology for fixing an external thermal insulation board layer by mortar bonding and thermal insulation nail anchoring on the external surface of the external wall. The technology has the obvious advantages of protecting the main structure, obviously preserving heat and insulating heat, improving the moisture condition of a wall body, having wide application range and the like, can obviously reduce the energy consumption of refrigeration and heat supply in the building, and is a building heat preservation and energy saving technology which is widely popularized and implemented at present.
The buildings such as houses and high-rise office buildings at the present stage mostly adopt a shear wall structure system, and the outer wall is a large-area cast-in-place reinforced concrete wall. When the wall is constructed, the casting templates on the inner side and the outer side need to be pulled by the split bolts to stabilize the casting space, referring to fig. 8, sleeves sleeved on the split bolts are arranged in the casting space and used for fixing the casting templates on the inner side and the outer side to stabilize the width of the casting space; after the pouring is finished, the auxiliary structures such as the pouring template, the split bolts, the sleeves and the like are removed, the outer wall surface of the wall body is cleaned, and the outer insulation board is adhered and anchored.
Although the construction technology is widely used, the technical defects obviously exist and cannot be thoroughly solved. Firstly, a hole is formed at the position where the sleeve is removed after pouring, and referring to fig. 7, the hole needs to be plugged, leveled and subjected to waterproof treatment to realize the integrity of the wall body; this undoubtedly increases more processing procedures, aggravates the fussy degree of construction, and inevitably has the quality hidden danger. Secondly, still referring to fig. 7, the outer insulation board is adhered to the outer wall surface and then is punched again, and then is anchored by plastic insulation nails; the strength of the wall body can be influenced by re-punching, and the steel bar structure in the wall body can be frequently drilled, so that the steel bars of the wall body are damaged or even destroyed, which is a big defect of external heat insulation construction and installation and can generate certain hidden trouble to the durability of the external wall.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anchoring device and an anchoring method for an external heat insulation plate of a building, which can realize anchoring by directly utilizing holes after pouring, simplify the construction steps of the external heat insulation plate, quickly and effectively avoid damage to a wall body and reinforcing steel bars in the wall, and have good hole plugging effect.
In order to solve the technical problems, the technical scheme of the invention is as follows: the anchoring device for the external heat insulation plate of the building external wall comprises a split bolt sleeve which is used for fixing a pouring template during pouring and is embedded in the building external wall after pouring, wherein the outer end of the split bolt sleeve is provided with a plugging thread, and the small diameter of the plugging thread is not smaller than the inner diameter of the split bolt sleeve; the insulation board fixing device is characterized in that an anchoring connecting rod is installed on the plugging thread, an anchoring connecting hole is formed in the outer end face of the anchoring connecting rod, a detachable puncture guide cone is inserted into the anchoring connecting hole, and an insulation board fixing part used for fixing an outer insulation board after the puncture guide cone is detached is further arranged at the outer end of the anchoring connecting rod.
Preferably, the puncture guide cone is provided with a cone-detaching operation portion.
Preferably, the puncture guide cone is provided with a cone-detaching operation hole penetrating radially therethrough.
According to the preferable technical scheme, the heat-insulation plate fixing piece comprises a fixing disc, a disc connecting hole communicated with the anchoring connecting hole is formed in the middle of the fixing disc in a penetrating mode, and a self-tapping screw connected into the anchoring connecting hole is installed in the disc connecting hole in a penetrating mode.
Preferably, a gripping and holding part is arranged on the outer peripheral surface of the split bolt sleeve.
Preferably, the gripping and holding portion is a holding rib ring fixedly disposed on an outer circumferential surface of the split bolt sleeve.
The anchoring method of the anchoring device of the external heat insulation plate of the building external wall is characterized by comprising the following steps on the basis of omitting the plugging treatment of a split bolt sleeve hole of the building external wall:
the method comprises the following steps: fixing a split bolt and a split bolt sleeve when a pouring template of the building outer wall is fixed, detaching the split bolt after pouring, keeping the split bolt sleeve in the building outer wall, and cleaning sundries at the thread plugging position;
step two: installing the anchoring connecting rod on the plugging thread, plugging the split bolt sleeve, and inserting the puncture guide cone on the anchoring connecting rod;
step three: coating mortar for bonding on the inner surface of the outer insulation board, and then applying pressure to the outer wall of the building by the outer insulation board; after the puncture guide cone penetrates through the outer insulation board, the outer insulation board is bonded on the outer wall of the building;
step four: and removing the puncture guide cone, and installing the insulation board fixing piece on the anchoring connecting rod to anchor the external insulation board.
And as a preferable technical scheme, in the step two, sealant is coated at the outer end of the blocked thread.
Due to the adoption of the technical scheme, the split bolt sleeve is directly left in the hole after pouring and is used as an anchoring base. The anchor connecting rod is directly installed at the plugging thread, the split bolt sleeve can be rapidly plugged, the plugging effect is good, the original processing procedures of plugging, floating, waterproofing and the like for the poured hole are not needed, and the construction steps of the outer insulation board are obviously simplified. When the outer insulation board is pasted, the outer insulation board can be penetrated by the puncture guide cone to form hole guide, and after the puncture guide cone is detached, the outer insulation board can be anchored and fixed by the insulation board fixing piece. The invention directly utilizes the holes after pouring to realize anchoring, effectively avoids the damage of the wall body and the reinforcing steel bars in the wall, has simple and efficient site construction, and is very convenient to maintain and replace when the outer insulation board reaches the service life or is damaged and repaired.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Wherein:
FIG. 1 is a schematic structural view of an embodiment of the present invention after anchoring;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the insulation board after being bonded and before being anchored by the fixing disc in the embodiment of the invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is a schematic structural view of an embodiment of the present invention during casting;
FIG. 6 is a schematic perspective exploded view of an anchoring connecting rod and a piercing guide cone according to an embodiment of the present invention;
FIG. 7 is a schematic view of a prior art anchored structure;
fig. 8 is a schematic structural view in casting according to the prior art.
In the figure: 1-building exterior walls; 11-an outer insulation board; 12-pouring a template; 2-split bolt sleeve; 21-blocking the thread; 22-a bond-increasing part; 3-anchoring the connecting rod; 31-anchoring the connection hole; 4-puncturing a guide cone; 41-a plug-in part; 42-a cone-removing operation part; 5-fixing the heat insulation plate; 51-a fixed disc; 52-disk attachment holes; 53-set screws; 7-split bolt.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 6, the anchoring device for the external thermal insulation board of the building external wall comprises a split bolt sleeve 2 which is used for fixing a pouring template 12 during pouring and is embedded in the building external wall 1 after pouring. After pouring is finished, the split bolt sleeves 2 are left in the holes and used as anchoring bases, and the split bolt sleeves 2 are poured and fixed, so that the split bolt sleeves are extremely high in stability when used as the bases.
Preferably, a holding and wrapping increasing part 22 is further arranged on the outer peripheral surface of the split bolt sleeve 2, and the holding and wrapping increasing part 22 is used for further increasing the holding force between the split bolt sleeve 2 and the building outer wall 1 and ensuring the anchoring effect of the anchoring structure. The holding and holding portion 22 of this embodiment is a holding rib ring fixedly disposed on the outer circumferential surface of the split bolt sleeve 2, and the holding rib ring may be a single whole ring, an integral spiral ring, or symmetrical small semicircular rings; in addition, the gripping and holding part 22 can also be a barb or a pawl.
The outer end of the split bolt sleeve 2 is provided with a plugging thread 21, and the small diameter of the plugging thread 21 is not smaller than the inner diameter of the split bolt sleeve 2, so that the influence on the normal use of the split bolt 7 is avoided. The plugging thread 21 is provided with an anchoring connecting rod 3, the outer end face of the anchoring connecting rod 3 is provided with an anchoring connecting hole 31, and the anchoring connecting hole 31 is preferably arranged coaxially with the anchoring connecting rod 3. The anchoring connection hole 31 is spliced with a detachable puncture guide cone 4, specifically, one end of the puncture guide cone 4 close to the anchoring connection rod 3 is fixedly provided with a splicing part 41, and the splicing part 41 is inserted and arranged on the anchoring connection hole 31. The puncture guide cone 4 is fixed in an inserting mode, can be conveniently pulled out after penetrating through the outer insulation board 11, and the pulled puncture guide cone 4 can be installed on the new anchoring connecting rod 3, so that cyclic utilization is realized, and resource waste is reduced.
Preferably, a cone-detaching operation part 42 is arranged on the puncture guide cone 4 to facilitate the worker to pull out the puncture guide cone 4 by using a tool. In this embodiment, the awl-detaching operation portion 42 is an awl-detaching operation hole radially penetrating the puncture guide awl 4, and the awl-detaching operation hole can conveniently penetrate conventional tools such as a screwdriver, so as to realize manual quick extraction. Of course, the cone-removing operation portion 42 may be in the form of milling surfaces symmetrically disposed on the outer peripheral surface of the puncture guide cone 4, so as to facilitate the manual extraction of the puncture guide cone 4 by using a conventional tool such as a pliers.
The outer end of the anchoring connecting rod 3 is also provided with a heat insulation board fixing part 5 which is used for fixing the outer heat insulation board 11 after the puncture guide cone 4 is detached. The heat insulation board fixing piece 5 comprises a fixing disc 51, a disc connecting hole 52 communicated with the anchoring connecting hole 31 is arranged in the middle of the fixing disc 51 in a penetrating mode, and a fixing screw 53 connected in the anchoring connecting hole 31 in a self-tapping mode is installed in the disc connecting hole 52 in a penetrating mode.
The anchoring method of the anchoring device of the external heat insulation plate of the building external wall comprises the following steps on the basis of omitting the plugging treatment of the holes of the pull bolt sleeve 2 of the building external wall 1:
the method comprises the following steps: fixing a split bolt 7 and a split bolt sleeve 2 when a pouring template 12 of the building outer wall 1 is fixed, detaching the split bolt 7 after pouring, keeping the split bolt sleeve 2 in the building outer wall 1, and cleaning impurities such as slurry residue and the like at the position of the plugging thread 21;
step two: installing the anchoring connection rod 3 on the plugging thread 21, and plugging the split bolt sleeve 2; two symmetrical planes can be milled at the non-threaded part of the anchoring connecting rod 3 for convenient wrenching and installation of the anchoring connecting rod 3 by using a wrench and the like; the plugging thread 21 is connected by threads, so that plugging can be quickly formed, and the plugging effect is good; preferably, sealant is coated at the outer end of the plugging thread 21 after plugging, so that the plugging effect is further improved; inserting the puncture guide cone 4 on the anchoring connecting rod 3;
step three: coating mortar for bonding on the inner surface of the outer insulation board 11, and then applying pressure to the outer insulation board 11 towards the building outer wall 1, wherein the pressure applying mode can adopt pressing or manual knocking and the like; after the puncture guide cone 4 penetrates through the outer insulation board 11, the outer insulation board 11 is bonded on the building outer wall 1, and at the moment, the puncture guide cone 4 is exposed outside the outer insulation board 11;
step four: the puncture guiding cone 4 is removed, and for the embodiment, after being inserted into the cone-removing operation hole by using a conventional tool such as a screwdriver, the puncture guiding cone is pulled out of the anchor connection hole 31; the insulation board fixing piece 5 is installed on the anchoring connecting rod 3 to anchor the outer insulation board 11; for the structure of the insulation board fixture 5 of the embodiment, in order to align the disk connection hole 52 of the fixing disk 51 with the anchor connection hole 31, a fixing screw 53 capable of self-tapping is self-tapping connected to the anchor connection rod 3 after passing through the disk connection hole 52, so as to anchor the outer insulation board 11.
Through the structure method, the split bolt sleeve 2 is directly left in the hole after pouring and used as a base for anchoring. The anchoring connecting rod 3 is directly installed at the plugging thread 21, so that plugging can be naturally formed, the original treatment processes of plugging, floating, waterproofing and the like of the poured hole are not needed, and the construction steps of the outer insulation board 11 are obviously simplified. When pasting outer insulation board 11, puncture guide awl 4 can pierce through outer insulation board 11 and form the trompil guide, exposes at the outside anchor connecting rod 3 of outer insulation board 11, can demolish puncture guide awl 4 back, the direct mount insulation board mounting 5 anchors fixedly to outer insulation board 11. The embodiment directly utilizes the hole after pouring to realize anchoring, does not need to carry out extra drilling operation when the outer insulation board 11 is anchored, and the step of anchoring and drilling is also omitted, so that the site operation is simple and efficient, and the damage to the wall body and the reinforcing steel bars in the wall is also effectively avoided. This embodiment the anchor connecting rod 3 with set screw 53 etc. are in under the protection of outer insulation board 11 and wall body for a long time, ageing-resistant, and set screw 53 with the quick detachable characteristics of anchor connecting rod 3 for when outer insulation board 11 reaches life or damaged maintenance, it is also very convenient to maintain change work.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. Building outer wall external insulation board anchor, its characterized in that: the split bolt sleeve is used for fixing a pouring template during pouring and is embedded in an outer wall of a building after pouring, plugging threads are arranged at the outer end of the split bolt sleeve, and the small diameter of the plugging threads is not smaller than the inner diameter of the split bolt sleeve; the insulation board fixing device is characterized in that an anchoring connecting rod is installed on the plugging thread, an anchoring connecting hole is formed in the outer end face of the anchoring connecting rod, a detachable puncture guide cone is inserted into the anchoring connecting hole, and an insulation board fixing part used for fixing an outer insulation board after the puncture guide cone is detached is further arranged at the outer end of the anchoring connecting rod.
2. The anchoring device for the external thermal insulation board of the building external wall according to claim 1, wherein: the puncture guide cone is provided with a cone unloading operation part.
3. The anchoring device for the external thermal insulation board of the building external wall according to claim 2, wherein: the puncture guiding cone is provided with a puncture guiding cone operating part and a puncture guiding cone operating part, wherein the puncture guiding cone is provided with a puncture guiding cone operating hole which penetrates through the puncture guiding cone in the radial direction.
4. The anchoring device for the external thermal insulation board of the building external wall according to claim 1, wherein: the heated board mounting includes fixed disc, the middle part of fixed disc run through be equipped with the disc connecting hole that anchor connecting hole intercommunication set up runs through the disc connecting hole is installed the self tapping and is connected fixed screw in the anchor connecting hole.
5. The anchoring device for the external thermal insulation board of the building external wall according to claim 1, wherein: and a gripping and holding part is arranged on the outer peripheral surface of the split bolt sleeve.
6. The anchoring device for the external thermal insulation board of the building external wall according to claim 5, wherein: the gripping and holding part is a holding rib ring fixedly arranged on the outer peripheral surface of the split bolt sleeve.
7. The anchoring method of the anchoring device for the external thermal insulation board of the building external wall according to any one of claims 1 to 6, which is characterized by comprising the following steps on the basis of omitting the plugging treatment of the split bolt sleeve hole of the building external wall:
the method comprises the following steps: fixing a split bolt and a split bolt sleeve when a pouring template of the building outer wall is fixed, detaching the split bolt after pouring, keeping the split bolt sleeve in the building outer wall, and cleaning sundries at the thread plugging position;
step two: installing the anchoring connecting rod on the plugging thread, plugging the split bolt sleeve, and inserting the puncture guide cone on the anchoring connecting rod;
step three: coating mortar for bonding on the inner surface of the outer insulation board, and then applying pressure to the outer wall of the building by the outer insulation board; after the puncture guide cone penetrates through the outer insulation board, the outer insulation board is bonded on the outer wall of the building;
step four: and removing the puncture guide cone, and installing the insulation board fixing piece on the anchoring connecting rod to anchor the external insulation board.
8. The anchoring method of the anchoring device for the external thermal insulation board of the building external wall according to claim 7, wherein: and step two, coating sealant on the outer end of the plugged thread.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111660917.0A CN114351879A (en) | 2021-12-31 | 2021-12-31 | Anchoring device and anchoring method for external thermal insulation plate of building external wall |
Applications Claiming Priority (1)
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CN202111660917.0A CN114351879A (en) | 2021-12-31 | 2021-12-31 | Anchoring device and anchoring method for external thermal insulation plate of building external wall |
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CN114351879A true CN114351879A (en) | 2022-04-15 |
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CN202111660917.0A Withdrawn CN114351879A (en) | 2021-12-31 | 2021-12-31 | Anchoring device and anchoring method for external thermal insulation plate of building external wall |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115142569A (en) * | 2022-06-27 | 2022-10-04 | 中建三局科创发展(江苏)有限公司 | Integrated split bolt suitable for novel prefabricated wallboard and construction method |
-
2021
- 2021-12-31 CN CN202111660917.0A patent/CN114351879A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115142569A (en) * | 2022-06-27 | 2022-10-04 | 中建三局科创发展(江苏)有限公司 | Integrated split bolt suitable for novel prefabricated wallboard and construction method |
CN115142569B (en) * | 2022-06-27 | 2024-05-03 | 中建三局科创发展(江苏)有限公司 | Integrated split bolt suitable for prefabricated wallboard and construction method |
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