CN110817688A - Hoisting device and installation method for prefabricated beam of inclined roof with prefabricated concrete structure - Google Patents
Hoisting device and installation method for prefabricated beam of inclined roof with prefabricated concrete structure Download PDFInfo
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- CN110817688A CN110817688A CN201911073985.XA CN201911073985A CN110817688A CN 110817688 A CN110817688 A CN 110817688A CN 201911073985 A CN201911073985 A CN 201911073985A CN 110817688 A CN110817688 A CN 110817688A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 238000009415 formwork Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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Abstract
The invention provides a hoisting device and a mounting method for an inclined roof precast beam with an assembled concrete structure, belongs to the technical field of building construction, and aims to solve the safety problem in the hoisting process of the inclined roof precast beam in the existing assembled construction mode. The angle steel bearing plate is fixed on the side face of the top of the prefabricated column through the embedded sleeve and the high-strength bolt, and the angle steel bearing plate is taken as a temporary placing point of the prefabricated beam, so that the safety problem in the hoisting process of the existing prefabricated concrete structure inclined roof prefabricated beam is solved, and the construction safety is improved. And still according to engineering actual conditions, increase supporting component in precast column outside owner muscle department, withstand precast beam center temporarily, prevent that precast beam from weighing down. The installation method can resist the risk of falling of the precast beam of the inclined roof during hoisting under the condition of not damaging the original structural system, and provides favorable conditions for the hoisting construction of the precast beam of the inclined roof on the steel pipe formwork bent frame, thereby achieving the purpose of safe production in construction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a hoisting device and an installation method for an inclined roof precast beam with an assembled concrete structure.
Background
With the accelerated development of urbanization in China and the improvement of environmental protection requirements, compared with a cast-in-place building technology, the prefabricated assembled building has the advantages of high construction speed, less environmental pollution, high comprehensive social benefits and the like, and is widely popularized by China. However, the prefabricated assembly type construction is rarely related to the inclined roof, and the prefabricated beam is difficult to control to fall when the steel pipe formwork bent frame is directly in place due to the horizontal included angle between the prefabricated beam and the inclined roof in the hoisting process of the prefabricated beam of the inclined roof.
Therefore, there is a need for a tool-type device for hoisting precast beams for an inclined roof of a fabricated concrete structure, which overcomes the foregoing problems. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a hoisting device and a mounting method for an inclined roof precast beam with an assembly type concrete structure, which are used for solving the safety problem in the hoisting process of the inclined roof precast beam in the existing assembly type construction mode.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a precast beam hoisting device for an inclined roof of an assembled concrete structure, which is used for temporarily placing a precast beam on the top surface of a precast column, comprises:
the angle steel bearing plate is fixed on the top side surface of the prefabricated column through a connecting piece;
the supporting component comprises a batten, a U-shaped adjustable supporting seat and a steel pipe support which are sequentially and fixedly connected, wherein the batten is clamped and fixed on the main rib on the outer side of the prefabricated column, and the tail end of the steel pipe support is tightly supported with the center position of the connecting surface of the prefabricated beam.
Compared with the prior art, the invention has the beneficial technical effects that:
1. according to the hoisting device for the prefabricated beam of the fabricated concrete structure inclined roof, the angle steel bearing plate is fixed on the side surface of the prefabricated column top through the embedded sleeve and the high-strength bolt and is used as a temporary placing point of the prefabricated beam, so that the safety problem in the hoisting process of the prefabricated beam of the prefabricated concrete structure inclined roof is solved, and the construction safety is improved. And still according to engineering actual conditions, increase supporting component in precast column outside owner muscle department, withstand precast beam center temporarily, prevent that precast beam from weighing down. In addition, angle steel bearing board, high strength bolt, channel-section steel, oblique steel wedge, flitch, the adjustable support bracket of U type, steel pipe bracket etc. are recoverable component, easy operation, low cost, environmental protection pollution-free, and can not influence the construction progress, possess can dismantle the characteristics that can have enough to meet the need, practiced thrift construction cost.
2. The installation method for the prefabricated beam hoisting device for the inclined roof with the prefabricated concrete structure can resist the risk of falling down when the prefabricated beam of the inclined roof is hoisted without damaging the original structural system, and provides favorable conditions for the hoisting construction of the prefabricated beam of the inclined roof on the steel pipe formwork bent frame, thereby achieving the purpose of safe production in construction. The installation method is simple and convenient to operate, has low requirements on materials and equipment, is simple to construct, has a reliable and effective connection mode, is more convenient for field construction personnel to master, can ensure the construction quality, and has good popularization value.
Furthermore, considering that the temporary placement of the precast beam on the inclined roof is unstable in gravity center and a gap still exists between the precast beam and the precast column to be connected, when the precast beam is temporarily placed on the top surface of the precast column, the steel beam temporary placement device further comprises a channel steel, wherein the channel steel is arranged at the gap between the angle steel bearing plate and the end surface of the precast beam and is tightly plugged by a plurality of inclined steel wedges.
Furthermore, considering that the precast beam needs to be temporarily placed on the top surface of the precast column before installation, the precast column top surface is provided with precast column outside reinforcing steel bars, the precast beam needs to be installed on an inclined roof, the hoisted precast beam cannot be temporarily placed on the top surface of the precast column, but a temporary placement point needs to be arranged on the side surface of the precast column top, so that the connecting piece comprises an embedded sleeve and a high-strength bolt, the opening of the angle steel bearing plate is outwards arranged, and one side of the angle steel bearing plate clinging to the precast column is connected with the embedded sleeve in the precast column and is fixed through the high-strength bolt. That is to say, one plane of the angle steel supporting plate is tightly fixed on the top side of the precast column, and the other plane of the angle steel supporting plate is used for temporarily placing the precast beam.
Furthermore, in order to ensure the stress stability of the whole system, the angle steel bearing plate is made of equal-edge angle steel, wherein the edge width of the angle steel is more than or equal to 140mm, and the edge thickness of the angle steel is more than or equal to 14 mm.
Furthermore, in order to obtain convenient materials, save cost and meet the requirement of supporting stress, the U-shaped adjustable supporting seat is made of a Q235B-grade steel pipe with the outer diameter phi 38mm, the wall thickness more than or equal to 5.0mm and the total length less than or equal to 600 mm.
Furthermore, in order to obtain convenient materials, save cost and facilitate the tight support with the center of the connecting surface of the precast beam, the steel pipe support is made of Q235B-grade steel pipes with the outer diameter of phi 48mm and the wall thickness of more than or equal to 3.0 mm.
The invention also provides an installation method of the hoisting device for the prefabricated beam of the inclined roof with the prefabricated concrete structure, which comprises the following steps:
step one, providing the hoisting device for the prefabricated beam of the inclined roof with the prefabricated concrete structure for standby;
fixing an angle steel bearing plate on the side surface of the precast column through an embedded sleeve and a high-strength bolt before the precast beam of the inclined roof is installed;
step three, according to the field situation, channel steel is welded at the gap between the angle steel supporting plate and the end face of the precast beam, and the oblique gap is tightly filled by a plurality of oblique steel wedges to be used as a temporary placement point of the precast beam;
and step four, hoisting the precast beam, and after the precast beam is temporarily in place, sequentially fixing a support assembly formed by a batten, a U-shaped adjustable support bracket and a steel pipe support at the main reinforcement on the outer side of the precast column on the concrete top surface of the precast column, and temporarily propping the center of the connecting surface of the precast beam to prevent the precast beam from falling.
Furthermore, the U-shaped adjustable supporting bracket is made of Q235B-grade steel pipes with the outer diameter phi 38mm, the wall thickness more than or equal to 5.0mm and the total length less than or equal to 600 mm.
Furthermore, the steel pipe support is made of Q235B-grade steel pipes with the outer diameter of 48mm and the wall thickness of more than or equal to 3.0 mm.
Drawings
Fig. 1 is a top view of a precast beam hoisting device for an inclined roof of an assembled concrete structure according to the present invention;
fig. 2 is a front view of a hoisting device for an inclined roof precast beam of an assembled concrete structure according to the present invention;
fig. 3 is an installation schematic diagram of the precast beam hoisting device for the fabricated concrete structure inclined roof.
In the figure:
1-prefabricating a column; 2-prefabricating a beam; 3-angle steel bearing plates; 4-embedding a sleeve; 5-high-strength bolt; 6-channel steel; 7-oblique steel wedge; 8-flitch; a 9-U-shaped adjustable supporting bracket; 10-supporting the steel pipe; and 11, prefabricating the main reinforcement on the outer side of the column.
Detailed Description
The hoisting device and the installation method for the prefabricated beam for the sloping roof of the prefabricated concrete structure provided by the invention are further described in detail with reference to the attached drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Example one
The structural composition of the hoisting device for the prefabricated sloping roof precast beam of the prefabricated concrete structure of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1 to 3, a precast beam hoisting device for an inclined roof of an assembly type concrete structure is used for temporarily placing a precast beam 2 on the top surface of a precast column 1, and comprises an angle steel supporting plate 3 and a support assembly, wherein the angle steel supporting plate 3 is fixed on the top side surface of the precast column 1 through a connecting piece; the supporting component comprises a batten 8, a U-shaped adjustable supporting seat 9 and a steel pipe support 10 which are fixedly connected in sequence, wherein the batten 8 is clamped and fixed on a main rib on the outer side of the prefabricated column 1, and the tail end of the steel pipe support 10 is tightly supported at the central position of the connecting surface of the prefabricated beam 2.
Particularly, according to the hoisting device for the prefabricated beam of the fabricated concrete structure inclined roof, the angle steel bearing plate 3 is fixed on the side surface of the top of the prefabricated column through the connecting piece and serves as a temporary placement point of the prefabricated beam 2, so that the safety problem in the hoisting process of the prefabricated beam of the existing prefabricated concrete structure inclined roof is solved, and the construction safety is improved. And, still according to engineering actual conditions, increase supporting component in precast column outside owner muscle 11 department, withstand precast beam 2 center temporarily, prevent that precast beam 2 from weighing down. The risk that the inclined roof precast beam falls down during hoisting is resisted under the condition that an original structural system is not damaged, and favorable conditions are provided for hoisting construction of the inclined roof precast beam on the steel pipe formwork bent frame, so that the purpose of safe production in construction is achieved.
In this embodiment, more preferably, in consideration of unstable temporary placement of the precast beam on the sloping roof, there is a gap between the precast beam and the precast column to be connected, so when the precast beam is placed on the top surface of the precast column temporarily, the precast beam further includes a channel steel, the channel steel is disposed at the gap between the angle steel supporting plate and the end surface of the precast beam, and is tightly plugged by a plurality of sloping steel wedges.
In this embodiment, more preferably, considering that the precast beam needs to be temporarily placed on the top surface of the precast column before installation, the top surface of the precast column is provided with precast column outside reinforcing steel bars, the precast beam needs to be installed on an inclined roof, the hoisted precast beam cannot be temporarily placed on the top surface of the precast column, and a temporary placement point needs to be arranged on the side surface of the top of the precast column, therefore, the connecting member includes an embedded sleeve and a high-strength bolt, the opening of the angle steel bearing plate is arranged outwards, and one side of the angle steel bearing plate clinging to the precast column is connected with the embedded sleeve in the precast column and is fixed by the high-strength bolt. That is to say, one plane of the angle steel supporting plate is tightly fixed on the top side of the precast column, and the other plane of the angle steel supporting plate is used for temporarily placing the precast beam.
In the embodiment, more preferably, in order to ensure the stress stability of the whole system, the angle steel supporting plate 3 is made of equal-edge angle steel, wherein the edge width of the angle steel is more than or equal to 140mm, and the edge thickness of the angle steel is more than or equal to 14 mm.
In the embodiment, more preferably, in order to obtain materials conveniently, save cost and meet the requirement of supporting stress, the U-shaped adjustable supporting seat 9 is made of a Q235B-grade steel pipe with an outer diameter of phi 38mm, a wall thickness of more than or equal to 5.0mm and a total length of less than or equal to 600 mm.
In this embodiment, more preferably, in order to obtain materials conveniently, save cost and facilitate abutting against the center of the connecting surface of the precast beam 2, the steel tube bracket 10 is made of a Q235B-grade steel tube with an outer diameter of phi 48mm and a wall thickness of not less than 3.0 mm.
With continuing reference to fig. 1 to fig. 3, the present embodiment further provides an installation method of the hoisting device for precast inclined roof beams of prefabricated concrete structure, where the installation method includes:
step one, providing the hoisting device for the prefabricated beam of the inclined roof with the prefabricated concrete structure for standby;
secondly, before the precast beam 2 of the inclined roof is installed, fixing an angle steel bearing plate 3 on the side surface of the precast column 1 through an embedded sleeve 4 and a high-strength bolt 5;
step three, according to the field situation, welding channel steel 6 at the gap between the angle steel supporting plate 3 and the end face of the precast beam 2, and tightly filling the oblique gap with a plurality of oblique steel wedges 7 to be used as a temporary placement point of the precast beam 2;
and step four, hoisting the precast beam 2, and after the precast beam 2 is temporarily in place, sequentially fixing a support assembly formed by a batten 8, a U-shaped adjustable support bracket 9 and a steel pipe support 10 at a precast column outer side main rib 11 on the concrete top surface of the precast column 1, temporarily propping the center of the connecting surface of the precast beam 2, and preventing the precast beam 2 from falling.
The above description is only illustrative of the preferred embodiments of the present invention and does not limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.
Claims (9)
1. The utility model provides a be used for oblique roofing precast beam hoist device of prefabricated concrete structure for lay precast beam in precast column top surface temporarily, its characterized in that includes:
the angle steel bearing plate is fixed on the top side surface of the prefabricated column through a connecting piece;
the supporting component comprises a batten, a U-shaped adjustable supporting seat and a steel pipe support which are sequentially and fixedly connected, wherein the batten is clamped and fixed on the main rib on the outer side of the prefabricated column, and the tail end of the steel pipe support is tightly supported with the center position of the connecting surface of the prefabricated beam.
2. The hoisting device for the prefabricated concrete structure sloping roof precast beam as claimed in claim 1, further comprising a channel steel, wherein the channel steel is arranged at the gap between the angle steel bearing plate and the end face of the precast beam and is tightly packed by adopting a plurality of sloping steel wedges.
3. The hoisting device for the prefabricated beam of the prefabricated concrete structure inclined roof as claimed in claim 1, wherein the connecting member comprises an embedded sleeve and a high-strength bolt, the opening of the angle steel bearing plate is arranged outwards, and one side of the angle steel bearing plate clinging to the prefabricated column is connected with the embedded sleeve in the prefabricated column and is fixed by the high-strength bolt.
4. The hoisting device for the prefabricated precast beam for the inclined roof of the prefabricated concrete structure as claimed in claim 1, wherein the angle steel bearing plate is made of equal-edge angle steel, wherein the width of the edge of the angle steel is more than or equal to 140mm, and the thickness of the edge of the angle steel is more than or equal to 14 mm.
5. The hoisting device for the prefabricated inclined roof precast beam with the prefabricated concrete structure as claimed in claim 1, wherein the U-shaped adjustable supporting bracket is made of Q235B-grade steel pipe with the outer diameter phi 38mm, the wall thickness greater than or equal to 5.0mm and the total length less than or equal to 600 mm.
6. The hoisting device for the prefabricated sloping roof precast beam with the prefabricated concrete structure as claimed in claim 1, wherein the steel pipe bracket is made of Q235B grade steel pipe with the outer diameter of 48mm and the wall thickness of more than or equal to 3.0 mm.
7. The installation method for the prefabricated beam hoisting device of the inclined roof with the prefabricated concrete structure is characterized by comprising the following steps of:
firstly, providing the hoisting device for the prefabricated inclined roof precast beam with the concrete structure of the prefabricated type according to any one of claims 1 to 6 for standby;
fixing an angle steel bearing plate on the side surface of the precast column through an embedded sleeve and a high-strength bolt before the precast beam of the inclined roof is installed;
step three, according to the field situation, channel steel is welded at the gap between the angle steel supporting plate and the end face of the precast beam, and the oblique gap is tightly filled by a plurality of oblique steel wedges to be used as a temporary placement point of the precast beam;
and step four, hoisting the precast beam, and after the precast beam is temporarily in place, sequentially fixing a support assembly formed by a batten, a U-shaped adjustable support bracket and a steel pipe support at the main reinforcement on the outer side of the precast column on the concrete top surface of the precast column, and temporarily propping the center of the connecting surface of the precast beam to prevent the precast beam from falling.
8. The installation method as claimed in claim 7, wherein the U-shaped adjustable supporting bracket is made of Q235B grade steel pipe with the outer diameter phi 38mm, the wall thickness larger than or equal to 5.0mm and the total length smaller than or equal to 600 mm.
9. The mounting method as claimed in claim 8, wherein the steel pipe bracket is made of Q235B grade steel pipe with an outer diameter of 48mm and a wall thickness of 3.0mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073985.XA CN110817688A (en) | 2019-11-06 | 2019-11-06 | Hoisting device and installation method for prefabricated beam of inclined roof with prefabricated concrete structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911073985.XA CN110817688A (en) | 2019-11-06 | 2019-11-06 | Hoisting device and installation method for prefabricated beam of inclined roof with prefabricated concrete structure |
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| CN110817688A true CN110817688A (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441605A (en) * | 2020-04-11 | 2020-07-24 | 河北天昊建筑设计有限公司 | Old house beam reinforcing structure and reinforcing method |
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| CN211283476U (en) * | 2019-11-06 | 2020-08-18 | 上海建工七建集团有限公司 | Be used for inclined roofing precast beam hoist device of assembled concrete structure |
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2019
- 2019-11-06 CN CN201911073985.XA patent/CN110817688A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370907A (en) * | 1980-11-05 | 1983-02-01 | Felice Leo C | Positive stop center |
| JP2001123525A (en) * | 1999-10-27 | 2001-05-08 | Tokyu Constr Co Ltd | Half-precast beam |
| RU2188915C1 (en) * | 2001-07-16 | 2002-09-10 | Петербургский государственный университет путей сообщения | Method of installation of prestressed strutted frame |
| CN103291065A (en) * | 2013-06-05 | 2013-09-11 | 盐城工学院 | Prefabricated concrete supporting device and lifting and positioning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111441605A (en) * | 2020-04-11 | 2020-07-24 | 河北天昊建筑设计有限公司 | Old house beam reinforcing structure and reinforcing method |
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