CN210194965U - Connecting device of precast concrete externally-hung wallboard - Google Patents
Connecting device of precast concrete externally-hung wallboard Download PDFInfo
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- CN210194965U CN210194965U CN201920890732.0U CN201920890732U CN210194965U CN 210194965 U CN210194965 U CN 210194965U CN 201920890732 U CN201920890732 U CN 201920890732U CN 210194965 U CN210194965 U CN 210194965U
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 14
- 239000003566 sealing material Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004567 concrete Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 12
- 238000005253 cladding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a connecting device of a precast concrete external wallboard, which comprises an external wallboard, a main body structure, hanging points extending outwards from the main body structure, a reinforcing steel bar pin bolt and a sealing material; the connection mode is that two holes are reserved on the external wall-hung plate, two concrete hanging points are arranged at the corresponding positions of the main structure, the reserved holes of the external wall-hung plate are overlapped on the hanging points, the external wall-hung plate is fixed with the main structure by using a steel bar pin bolt, and finally the pin bolt holes are sealed by using a sealing material. The utility model discloses a hang the point with external wallboard overlap joint in major structure, avoided the exerted problem of ordinary connected mode connecting piece, solved connected node durability problem, this kind of lapped form simultaneously assembles the error that the in-process can reduce the installation.
Description
Technical Field
The utility model relates to a connecting device of precast concrete externally-hung wallboard belongs to building technical field.
Background
In recent years, the pace of building industrialization and housing industrialization in China is obviously accelerated, and the building industry is taken as one of national economic pillars and plays an important role in the economic development of China. The challenges encountered by the construction industry are continuously increased in recent years, such as labor shortage, cost increase, resource shortage, energy conservation, environmental protection and the like, and the problems result in the prolongation of the period of the construction industry, the reduction of profits and the restriction of the active forward development of the construction industry. These issues have caused governments and businesses to have to consider increasing the efficiency of construction by increasing the level of automation. The construction mode of building industrialization officially solves one of the effective ways of the problem.
The prefabricated concrete external wallboard is an important assembled enclosure structure and is mainly applied to a frame structure, and the main connecting node forms of the external wallboard and a main structure are divided into a point bearing type and a line bearing type. The exterior cladding panel adopting the point-bearing type connecting node can realize the construction mode of 'firstly constructing the main body and then constructing the panel', is beneficial to shortening the construction period, and can greatly reduce the influence of the exterior cladding panel on the rigidity of the main body structure through reasonable design. Therefore, the prefabricated concrete external wall panels mostly adopt point-bearing type connecting nodes.
At present precast concrete externally-hung wallboard must have installation error at the actual assembly in-process, and point-bearing connected node uses angle steel connecting piece, bolt and built-in fitting to be connected with the main part more moreover, can inevitably make the connecting piece expose, can make the connecting piece corrosion for a long time, has the potential safety hazard.
Precast concrete externally-hung wallboard is at the hoist and mount in-process, and the wallboard of installing need carry out the temporary fixation, and the unavoidable rate of utilization that can reduce the crane, for solving above-mentioned problem, the utility model discloses connecting device and construction method to precast concrete externally-hung wallboard have carried out a series of improvements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned shortcoming and the deficiency that prior art exists, provide a connecting device of precast concrete externally-hung wallboard.
The utility model adopts the technical proposal that: a connecting device of a precast concrete outer-hanging wallboard adopts a flexible point connection mode to connect the outer-hanging wallboard with a main structure;
the connecting device comprises an external wall panel, a main body structure, hanging points extending outwards from the main body structure, a steel bar pin bolt and a sealing material;
two holes are reserved on the external wall panel, two hanging points are arranged at the corresponding positions of the main body structure, and the sizes and the shapes of the hanging points are matched with the holes reserved on the external wall panel; when the external wall panel is connected with the main body structure, two holes of the external wall panel are overlapped on two hanging points;
the corresponding position of the external wall panel above the hanging point is provided with a pin hole; the upper part of the external wallboard is provided with an oblong pin bolt hole, and the hanging point is provided with a round pin bolt hole, so that the upper and lower round holes are convenient to construct and install;
a steel bar pin bolt is arranged between the external wall panel and the main structure, and the steel bar pin bolt is inserted into a pin bolt hole above the external wall panel and the hanging point and is fixed by the steel bar pin bolt;
after the reinforcing steel bar pin is inserted into the pin bolt hole, sealing the pin bolt hole and the gap of the connecting node by using a sealing material;
the external wallboard connecting mode adopts a connecting mode of hanging point lap joint and reinforcing steel bar pin bolt fixing, the connecting mode is different from the mode of a common angle steel connecting piece, the connecting piece is prevented from being exposed, and the durability of the connecting piece is ensured.
A construction method of the connecting device of the precast concrete external wall panel comprises the following steps:
1) the method comprises the following steps of prefabricating a concrete external wallboard, reserving two holes on the external wallboard before pouring concrete, arranging two external concrete hanging points at positions corresponding to the holes of the external wallboard when pouring the main structure concrete, wherein the sizes and the shapes of the hanging points are matched with those of the holes reserved in the external wallboard, and arranging pin holes at positions of the external wallboard corresponding to the hanging points;
2) before the external wall panel is hoisted, measuring and paying off, leveling the elevation, and hoisting according to an installation drawing and a preset installation sequence;
3) before the external wall panel is lifted, a traction rope is hung at one end of the wall panel, after the external wall panel is lifted, a professional grasps and controls the direction of the wall panel, the wall panel is lifted to a corresponding position, and two holes of the external wall panel are overlapped on two hanging points;
4) a steel bar pin bolt is arranged between the external wall panel and the main structure, the steel bar pin bolt is inserted into a pin bolt hole above the external wall panel and the hanging point, and the external wall panel and the pin bolt hole are fixed through the steel bar pin bolt, so that the external wall panel does not need to be temporarily fixed;
5) and finally, after the reinforcing steel bar pin is inserted into the pin bolt hole, sealing the pin bolt hole and the gap of the connecting node by using a sealing material.
Has the advantages that: the external wall board is lapped on the main body structure through the hanging points, so that the problem that connecting pieces are exposed in a common connection mode is avoided, the durability problem of the connecting nodes is solved, and meanwhile, the installation error can be reduced in the assembling process due to the lapped form; the upper long round hole and the lower round hole are convenient for construction and installation; after the external wall board is installed, temporary fixation is not needed, so that the utilization rate of a crane is improved; finally, sealing is carried out by using a sealing material, and the durability of the sealing material is ensured again.
Drawings
FIG. 1 is a horizontal section of the connecting device of the present invention;
fig. 2 is the utility model discloses the vertical section of structure.
Reference numerals: the external wall panel comprises an external wall panel 1, a main structure 2, hanging points 3, a steel bar pin 4, a sealing material 5, an oblong pin hole 6 and a round pin hole 7.
Detailed Description
The following will further explain the embodiments of the present invention with reference to the drawings
A connecting device of a precast concrete outer panel as shown in fig. 1 and 2, which connects the outer panel with a main structure using a flexible point connection form of a deck type;
the connecting device comprises an external wall panel 1, a main body structure 2, hanging points 3 extending outwards from the main body structure, a steel bar pin 4 and a sealing material 5;
two holes are reserved on the external wall panel 1, two hanging points 3 are arranged at the corresponding positions of the main body structure 2, and the sizes and the shapes of the hanging points 3 are matched with the holes reserved on the external wall panel 1; when the external wall panel 1 is connected with the main structure 2, two holes of the external wall panel 1 are lapped on two hanging points 3;
the corresponding position of the external wall panel 1 above the hanging point 3 is provided with a pin hole; the upper part of the external wallboard 1 is provided with an oblong pin bolt hole 6, the hanging point 3 is provided with a round pin bolt hole 7, and the upper and lower round holes are convenient for construction and installation;
a reinforcing steel bar pin bolt 4 is arranged between the external wall panel 1 and the main structure 2, the reinforcing steel bar pin bolt 4 is inserted into a pin bolt hole above the external wall panel 1 and the hanging point 3, and the external wall panel 1 and the main structure are fixed through the reinforcing steel bar pin bolt 4;
after the reinforcing steel bar pin 4 is inserted into the pin bolt hole, the pin bolt hole and the gap of the connecting node are sealed by a sealing material 5;
the connection mode of the external wallboard 1 adopts the connection mode of the lap joint of the hanging points 3 and the fixation of the steel bar pin bolt 4, the connection mode is different from the mode of a common angle steel connecting piece, the exposure of the connecting piece is avoided, and the durability of the connecting piece is ensured.
A construction method of the connecting device of the precast concrete external wall panel comprises the following steps:
1) the method comprises the following steps that a concrete external wallboard 1 is prefabricated, two holes are reserved in the external wallboard 1 before concrete is poured, when a main body structure 2 is poured with concrete, two overhanging concrete hanging points 3 are arranged at positions corresponding to the holes of the external wallboard 1, the size and shape of each hanging point 3 are matched with the holes reserved in the external wallboard 1, and pin holes are formed in the external wallboard 1 at positions corresponding to the hanging points 3;
2) before the external wall panel 1 is hoisted, measuring and paying off, leveling the elevation, and hoisting according to an installation drawing and a preset installation sequence;
3) before the external wall panel 1 is lifted, a traction rope is hung at one end of the wall panel, after the external wall panel 1 is lifted, a professional grasps and controls the direction of the wall panel, the wall panel is lifted to a corresponding position, and two holes of the external wall panel 1 are lapped on two hanging points 3;
4) a reinforcing steel bar pin bolt 4 is arranged between the external wall panel 1 and the main structure 2, the reinforcing steel bar pin bolt 4 is inserted into a pin bolt hole above the external wall panel 1 and the hanging point 3, the external wall panel 1 and the hanging point 3 are fixed through the reinforcing steel bar pin bolt 4, and the external wall panel 1 does not need to be temporarily fixed;
5) and finally, inserting the reinforcing steel bar pin 4 into the pin hole, and sealing the pin hole and the gap of the connecting node by using a sealing material 5.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. To those skilled in the art, many changes, modifications, substitutions and alterations can be made to the embodiments without departing from the spirit and scope of the invention.
Claims (1)
1. The utility model provides a connecting device of precast concrete externally-hung wallboard which characterized in that: the connecting device comprises an external wall panel, a main body structure, hanging points extending outwards from the main body structure, a steel bar pin bolt and a sealing material;
two holes are reserved on the external wall panel, two hanging points are arranged at the corresponding positions of the main body structure, and the sizes and the shapes of the hanging points are matched with the holes reserved on the external wall panel; when the external wall panel is connected with the main body structure, two holes of the external wall panel are overlapped on two hanging points;
the corresponding position of the external wall panel above the hanging point is provided with a pin hole; the upper part of the external wallboard is provided with an oblong pin bolt hole, and the hanging point is provided with a round pin bolt hole;
a steel bar pin bolt is arranged between the external wall panel and the main structure, and the steel bar pin bolt is inserted into a pin bolt hole above the external wall panel and the hanging point and is fixed by the steel bar pin bolt;
after the reinforcing steel bar pin is inserted into the pin bolt hole, sealing the pin bolt hole and the gap of the connecting node by using a sealing material;
the connection mode of the external wallboard adopts the connection mode of hanging point lap joint and reinforcing steel bar pin bolt fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890732.0U CN210194965U (en) | 2019-06-13 | 2019-06-13 | Connecting device of precast concrete externally-hung wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890732.0U CN210194965U (en) | 2019-06-13 | 2019-06-13 | Connecting device of precast concrete externally-hung wallboard |
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| Publication Number | Publication Date |
|---|---|
| CN210194965U true CN210194965U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920890732.0U Active CN210194965U (en) | 2019-06-13 | 2019-06-13 | Connecting device of precast concrete externally-hung wallboard |
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| CN (1) | CN210194965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093999A (en) * | 2019-06-13 | 2019-08-06 | 南京工业大学 | Connecting device and construction method of precast concrete external wall panel |
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2019
- 2019-06-13 CN CN201920890732.0U patent/CN210194965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093999A (en) * | 2019-06-13 | 2019-08-06 | 南京工业大学 | Connecting device and construction method of precast concrete external wall panel |
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