CN112854241B - Supporting tool and method for hoisting multilayer basement steel column under deep foundation pit support - Google Patents
Supporting tool and method for hoisting multilayer basement steel column under deep foundation pit support Download PDFInfo
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- CN112854241B CN112854241B CN202110042505.4A CN202110042505A CN112854241B CN 112854241 B CN112854241 B CN 112854241B CN 202110042505 A CN202110042505 A CN 202110042505A CN 112854241 B CN112854241 B CN 112854241B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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Abstract
The invention provides a supporting tool and a supporting method for hoisting a steel column of a multi-layer basement under deep foundation pit support, and relates to the technical field of steel structures. The tool comprises a steel wire rope protection sleeve for preventing the steel wire rope from being abraded and a transporting tool for hoisting the steel column. A safe and reliable device and a method are provided for hoisting multiple layers of basement steel columns under the condition of deep foundation pit support, a crane can be erected on a trestle, steel wire ropes penetrate through holes to hoist the steel columns, and a circular pipe sleeve is installed in the holes, so that abrasion of the steel wire ropes can be effectively avoided. When the steel column is hoisted, in order to avoid damage to the steel column caused by hard dragging of the steel column, the steel column is placed at the bottom end of the steel column and hung on a gantry of the steel column hoisting tool, the bottom end of the steel column is lifted to be separated from the ground through vertical traction equipment, and then the top end of the steel column is hoisted to be slowly hoisted to the installation position. According to the invention, the steel column does not need to be transported for the second time, the hoisting efficiency is improved, the steel wire rope can be protected, and the hoisting safety is enhanced.
Description
Technical Field
The invention relates to a supporting tool for hoisting a steel column of a multi-layer basement under deep foundation pit support and a hoisting method thereof, and belongs to the technical field of steel structures.
Background
In the field of building steel structures, hoisting of basement steel columns is a serious difficulty in engineering, and installation quality of the basement steel columns directly influences safety and stability of structures. Therefore, the hoisting of basement steel columns is particularly important. The great deep basal pit engineering of basement scale generally can adopt concrete supporting construction, considers the demand in the aspect of the basement construction, and concrete gallery bridge slab often can be laid to the supporting construction top layer, and this has brought great difficulty for the hoist and mount of basement steel column. The existence of trestle plates can bring the following two difficulties to the hoisting of a steel column (especially a steel column below the trestle plate) of a multilayer basement:
(1) The steel column under the trestle plate can only be unloaded to the outside of the trestle plate for temporary placement due to the existence of the trestle plate, and can reach the designated position through secondary transfer, so that the installation efficiency of the steel column is not high;
(2) After the steel column reaches the designated position, the bridge plate needs to be provided with hoisting holes for the steel wire rope and the clamp ring to freely move up and down, and the steel wire rope and the side wall of the hole are rubbed to damage the rope body, so that the steel column is not beneficial to hoisting.
Based on the difficulties, the invention provides a supporting tool and a method for hoisting a steel column of a multi-layer basement under deep foundation pit support aiming at hoisting the steel column of the multi-layer basement under the deep foundation pit support condition.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a supporting tool for hoisting a steel column of a multi-layer basement under deep foundation pit support, so that the steel column does not need to be transported for the second time, the hoisting efficiency is improved, a steel wire rope can be protected, and the hoisting safety is enhanced.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a supporting tool for hoisting a steel column of a multi-layer basement under deep foundation pit support comprises a steel wire rope protection tool and a transportation tool; the steel wire rope protection tool comprises a bottom plate, a circular tube sleeve arranged on the bottom plate and fixing assemblies distributed around the circular tube sleeve; the circular tube sleeve is communicated with the bottom plate; the transfer tool comprises a bearing carrier, vertical traction equipment arranged on the bearing carrier and a roller arranged at the bottom of the bearing carrier.
Further, the bearing carrier comprises a base and a door frame arranged on one side of the base, and the vertical traction equipment is arranged on the door frame.
Furthermore, a height adjusting assembly is arranged on the fixing assembly.
Furthermore, the fixing component comprises upright columns distributed around the circular tube sleeve and a limiting rod detachably mounted at the tops of the upright columns.
Furthermore, the height adjusting component comprises an external thread which is tapped at the top of the upright post and a nut which is in threaded fit with the top of the upright post; the limiting rod is fixed with the nut.
Furthermore, a round hole is formed in the bottom plate, and the diameter of the round hole is the same as the inner diameter of the round tube sleeve; the inner wall of the circular tube sleeve is aligned with the inner edge of the circular hole of the bottom plate.
Furthermore, the base comprises two horizontal rods which are horizontally arranged and are parallel to each other, two longitudinal rods (first longitudinal rods) which are vertically arranged between the two horizontal rods and are parallel to each other, and two support rods which are diagonally arranged between the two longitudinal rods (first longitudinal rods) and are crossed with each other; wherein two longitudinal rods (first longitudinal rod) are positioned at one side of the base; the door frame is positioned on the other side of the base; the four rollers are respectively arranged at the bottoms of two ends of each cross rod; the portal comprises two vertical rods which are respectively vertically erected on the two cross rods, and another vertical rod (second vertical rod) which is connected with the tops of the two vertical rods.
Furthermore, a lifting lug is arranged at the bottom of the vertical rod of the gantry, and the vertical traction equipment is installed on the lifting lug.
The first purpose of the invention is to provide a hoisting method for hoisting a matched tool by using a steel column of a multi-layer basement under deep foundation pit support, so as to ensure that the steel column of the multi-layer basement can be hoisted smoothly, improve the safety and reliability of hoisting the steel column of the multi-layer basement simultaneously, and provide technical guarantee for the quality of engineering to a certain extent.
The method specifically comprises the following steps:
(1) Measuring and lofting on the trestle plate, determining the corresponding position of the steel column on the trestle plate, and forming a hole;
(2) Lifting the steel wire rope protection tool to the hole, enabling the circular tube sleeve to penetrate through the hole, clamping the bottom of the bridge pallet by the bottom plate, clamping the top of the bridge pallet by the fixing assembly, and fixing the steel wire rope protection tool;
(3) Arranging two transporting tools at two ends of the steel column, wherein each transporting tool lifts the steel column to a bearing carrier by using respective vertical traction equipment, so that two ends of the steel column are respectively positioned on the bearing carriers of the two transporting tools; a steel wire rope of the horizontal traction equipment passes through a hoisting hole of the installed steel wire rope protection tool by using the horizontal traction equipment, the steel wire rope is connected to a reverse transportation tool at one end, and the steel column is horizontally pulled to a specified position;
(4) After the steel column is transported to the designated position, hoisting equipment (a tower crane or a truck crane) is used for hoisting the steel column in place, the hook is removed, the steel wire rope is retracted, the steel wire rope protection tool is removed, and the steel column is hoisted completely.
Furthermore, in the step (2), a height adjusting assembly is arranged on the fixing assembly, and comprises an external thread which is tapped at the top of the upright post and a nut which is in threaded fit with the top of the upright post; the limiting rod is fixed with the nut; and penetrating a nut with a limiting rod into the stand column, screwing the nut, and clamping the top of the trestle plate outwards by the limiting rod on the nut.
The principle of the invention is as follows: the steel wire rope protection tool comprises a steel wire rope protection tool for preventing the abrasion of a steel wire rope and a transporting tool for hoisting a steel column, wherein a plurality of layers of basement steel columns are hoisted under the condition of deep foundation pit support, a crane can be erected on a trestle, a hole is formed above the steel column, the steel wire rope penetrates through the hole to hoist the steel column, in order to prevent the abrasion of the steel wire rope caused by the friction between the steel wire rope and hole concrete, a circular pipe sleeve (namely the steel wire rope protection tool) is arranged in the hole, the steel wire rope is not in direct contact with the concrete to generate friction, and the abrasion of the steel wire rope can be effectively avoided. When the steel column is hoisted, in order to avoid the damage to the steel column caused by the fact that the steel column is pulled to a hoisting position, the invention also designs a transporting tool, when the steel column is hoisted, the transporting tool is arranged at the bottom end of the steel column, a vertical traction device (such as a chain block) is hung on a gantry of the transporting tool, the bottom end of the steel column is lifted up through the chain block to be separated from the ground, then the top end of the steel column is hoisted by a truck crane, the steel column is hoisted to an installation position slowly, the chain block is loosened, the transporting tool is removed, and the hoisting of the steel column can be carried out normally. The invention provides a safe and reliable device and method for hoisting a steel column of a multi-layer basement under the condition of a deep foundation pit support.
The invention can realize the following technical effects:
(1) The tool comprises a steel wire rope protection tool and a transporting tool, is simple in structure, can be used for obtaining materials anywhere, is convenient to manufacture, has strong bearing capacity and good stability, is flexible and adjustable, and can meet the requirement of hoisting the steel column of the multi-layer basement under the supporting condition of the deep foundation pit under different conditions;
(2) The steel wire rope protection tool of the tool can effectively avoid the steel wire rope from the side wall of the hoisting hole, better protect the steel wire rope and avoid the damage caused by the friction between the steel wire rope and concrete. The suit height can be adjusted in the screw thread setting at round steel top, adapts to the hoist and mount hole that different boards are thick.
(3) The main body of the transportation tool of the tool is made of profile steel, and the tool is high in bearing capacity and good in stability. The steel column can be stably and horizontally conveyed by utilizing the tower crane or the truck crane in combination with the transportation tool, so that the working efficiency is improved, the hoisting safety is enhanced, and meanwhile, the steel column and the ground are well protected.
(4) The tool is suitable for hoisting the steel column of the multi-layer basement under various deep foundation pit supporting conditions, has strong adaptability, can be recycled, reduces the amount of engineering measures, accords with the sustainable development policy proposed by the state, and simultaneously has better response and implementation on the construction aspect of the newly advocated green environment-friendly building of the state.
Drawings
FIG. 1 is a schematic structural view of a steel wire rope protection tool according to the present invention;
FIG. 2 is a cross-sectional view of the steel cable protection tool of the present invention;
FIG. 3 is a top view of the steel cable protection tool of the present invention;
FIG. 4 is a top view of the handling tool of the present invention;
FIG. 5 is a cross-sectional view of the handling tool of the present invention taken along line 1-1;
FIG. 6 is a cross-sectional view of the handling tool of the present invention taken along line 2-2;
description of the labeling: the steel wire rope protection tool comprises a steel wire rope protection tool 100, a round pipe sleeve (thin-wall round steel pipe) 101, a bottom plate (circular plate) 102, an upright post (round steel) 103, a limiting rod (round steel) 104, external threads 105 and a nut 106; the transportation device comprises a transportation tool 200, a base 210, a first vertical rod 211, a cross rod 212, a support rod 213, a gantry 220, a vertical rod 221, a second vertical rod 222, a lifting lug 300, vertical traction equipment 400 and universal wheels (rollers) 500.
Detailed Description
In order to make the technical means and technical effects achieved by the present invention more clear and more complete, the following preferred embodiments are provided, and the following detailed description is made in conjunction with the accompanying drawings:
as shown in fig. 1 to 6, the supporting tool for hoisting the steel column of the multi-layer basement under the deep foundation pit support of the embodiment comprises a steel wire rope protection tool and a handling tool;
the steel wire rope protection tool comprises a bottom plate, a circular tube sleeve arranged on the bottom plate, and fixing assemblies distributed around the circular tube sleeve; the circular tube sleeve is communicated with the bottom plate (in the embodiment, a circular ring plate with a circular hole is adopted);
preferably, the fixing component is provided with a height adjusting component. The fixed component comprises upright columns distributed around the circular tube sleeve and limiting rods detachably mounted at the tops of the upright columns. The height adjusting assembly comprises external threads tapped at the top of the upright post and a nut in threaded fit with the top of the upright post; the limiting rod is fixed with the nut. Specifically, an upright post is welded in four directions close to the outer surface of the circular tube sleeve respectively, the upper end of the upright post is 10-15cm higher than the upper end of the circular tube sleeve, an external thread is tapped at the higher part of the upright post, an internal thread is tapped on the inner wall of the nut, the relative position of the upright post and the nut can be adjusted by rotating the nut, and the adjustable trestle plate can adapt to different trestle plate thicknesses; the limiting rod is perpendicular to the side wall of the nut 3 and is welded, and the length of the limiting rod is about 5-10cm;
the round pipe sleeve is welded with the bottom plate, and the steel wire rope protection tool is integrally assembled. The inner diameter of the circular tube sleeve is the same as the inner ring of the bottom plate, and the height of the circular tube sleeve is about 2cm lower than the thickness of the trestle plate; the size of the bottom plate is 5-8cm larger than that of the hole, the diameter of the inner ring (diameter of the circular hole) is 3-5cm smaller than that of the hoisting hole (hole), and the side wall of the inner ring is rounded to prevent the steel wire rope from being damaged by friction.
After the limiting rod is adjusted in place, the limiting rod needs to face outwards to clamp the anti-friction sleeve, so that the sleeve is prevented from falling. When the circular tube sleeve is welded with the bottom plate, the inner wall of the circular tube sleeve is aligned with the inner ring side wall (the inner edge of the circular hole) of the bottom plate.
The transportation tool of the embodiment comprises a bearing carrier, vertical traction equipment arranged on the bearing carrier and rollers arranged at the bottom of the bearing carrier. In this embodiment, the bearing carrier includes the base and locates the portal of base one side, and vertical traction equipment installs on the portal.
Preferably, the base includes two horizontal rods horizontally disposed and parallel to each other, two longitudinal rods (first longitudinal rods) vertically installed between the two horizontal rods and parallel to each other, and two support rods diagonally installed between the two longitudinal rods (first longitudinal rods) and intersecting with each other; wherein two longitudinal rods (first longitudinal rod) are positioned at one side of the base; the door frame is positioned on the other side of the base;
in the embodiment, one first longitudinal rod is welded at one half of the cross rod, the other second longitudinal rod is welded at the position 20cm away from the tail end of the left side of the cross rod, and the right side is free, so that the rear steel column can be conveniently lifted; the four rollers are universal wheels and are respectively arranged at the bottoms of two ends of each cross rod, and the rollers are specifically arranged at the positions 20cm away from the end parts of the cross rods in the embodiment; the portal frame comprises two vertical rods which are respectively vertically arranged on the two cross rods, and another vertical rod (second vertical rod) which is connected with the tops of the two vertical rods.
In the preferred embodiment, the bottom of the vertical rod of the gantry is provided with a lifting lug, and the vertical traction equipment is mounted on the lifting lug and can be used as an acting point of the vertical traction equipment to vertically traction the steel column.
In the embodiment, the cross rods, the longitudinal rods and the supporting rods of the base are all fixed by welding combination; the vertical rods and the vertical rods of the portal frame and the vertical rods and the cross rods are fixed by welding combination; and the cross rod, the vertical rod and the vertical rod are all made of section steel. The circular tube sleeve is made of thin-wall circular steel tubes, the limiting rod and the stand column are made of circular steel, and the bottom plate is made of a circular plate. The steel wire rope protection tool comprises a steel wire rope protection tool for preventing the steel wire rope from being abraded and a transporting tool for hoisting a steel column.
The hoisting method for the supporting tool for hoisting the steel column of the multilayer basement by using the deep foundation pit support comprises the following steps:
(1) Measuring lofting on the trestle plate, determining the corresponding position of the steel column on the trestle plate, and forming holes;
(2) A rope penetrates through the hole, the steel wire rope protection tool is bound and slowly lifted until the upper end of the sleeve penetrates through the hole, the bottom plate clamps the bottom of the trestle plate, a nut with round steel penetrates through the round steel on the sleeve, the nut is screwed tightly, the round steel on the nut faces outwards, the top of the trestle is clamped, and the steel wire rope protection tool is fixed;
(3) Arranging two transporting tools at two ends of the steel column, wherein each transporting tool lifts the steel column to a bearing carrier by using respective vertical traction equipment, so that the two ends of the steel column are respectively positioned on the bearing carriers of the two transporting tools; by utilizing horizontal traction equipment, a steel wire rope of the horizontal traction equipment penetrates through a hoisting hole of an installed steel wire rope protection tool, the steel wire rope is connected to a reverse transportation tool at one end, and a steel column is horizontally pulled to a specified position;
(4) After the steel column is transported to the designated position, hoisting equipment (a tower crane or a truck crane) is used for hoisting the steel column in place, the hook is removed, the steel wire rope is withdrawn, the steel wire rope protection tool is removed, and the hoisting of the steel column is finished.
Preferably, in the step (2), the fixing assembly is provided with a height adjusting assembly, and the height adjusting assembly comprises an external thread tapped at the top of the upright post and a nut in threaded fit with the top of the upright post; the limiting rod is fixed with the nut; and penetrating a nut with a limiting rod into the stand column, screwing the nut, and clamping the top of the bridge plate with the limiting rod on the nut facing outwards.
The measurement of the coordinate position in the method is realized by a total station, and the total station is operated by those skilled in the art, so that details are not described in the present invention.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiments of the invention, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (6)
1. The utility model provides a supporting frock of multilayer basement steel column hoist and mount under deep basal pit struts which characterized in that: the device comprises a steel wire rope protection tool and a transportation tool; the steel wire rope protection tool comprises a bottom plate, a circular tube sleeve arranged on the bottom plate and fixing assemblies distributed around the circular tube sleeve; the circular tube sleeve is communicated with the bottom plate; the transfer tool comprises a bearing carrier, vertical traction equipment arranged on the bearing carrier and a roller arranged at the bottom of the bearing carrier;
the fixing assembly comprises stand columns distributed around the circular tube sleeve and a limiting rod detachably mounted at the tops of the stand columns; the fixed component is provided with a height adjusting component; the height adjusting assembly comprises external threads which are tapped at the top of the upright post and a nut which is in threaded fit with the top of the upright post; the upper end of the upright post is 10-15cm higher than the upper end of the circular tube sleeve, and the higher part of the upright post is provided with the external thread; the limiting rod is fixed with the nut; the bottom plate is provided with a round hole, and the diameter of the round hole is the same as the inner diameter of the round pipe sleeve; the inner wall of the circular tube sleeve is aligned with the inner edge of the circular hole of the bottom plate.
2. The supporting frock of multilayer basement steel column hoist and mount under deep basal pit of claim 1, characterized in that: the bearing carrier comprises a base and a portal arranged on one side of the base, and the vertical traction equipment is arranged on the portal.
3. The supporting frock of multilayer basement steel column hoist and mount under deep basal pit support of claim 2, characterized in that: the base comprises two horizontal rods which are horizontally arranged and are parallel to each other, two longitudinal rods which are vertically arranged between the two horizontal rods and are parallel to each other, and two support rods which are diagonally arranged between the two longitudinal rods and are crossed with each other; wherein two longitudinal rods are positioned at one side of the base; the door frame is positioned on the other side of the base; the four rollers are respectively arranged at the bottoms of the two ends of each cross rod; the portal comprises two vertical rods which are respectively vertically erected on the two cross rods and another vertical rod which is connected with the tops of the two vertical rods.
4. The supporting frock of multilayer basement steel column hoist and mount under deep basal pit support of claim 3, characterized in that: the bottom of the vertical rod of the portal frame is provided with a lifting lug, and the vertical traction equipment is installed on the lifting lug.
5. The hoisting method for the supporting tool for hoisting the steel column of the multi-layer basement under the deep foundation pit support according to any one of claims 1 to 4 is characterized by comprising the following steps of:
(1) Measuring lofting on the trestle plate, determining the corresponding position of the steel column on the trestle plate, and forming holes;
(2) Lifting the steel wire rope protection tool to the hole, enabling the circular tube sleeve to penetrate through the hole, clamping the bottom of the bridge pallet by the bottom plate, clamping the top of the bridge pallet by the fixing assembly, and fixing the steel wire rope protection tool;
(3) Arranging two transporting tools at two ends of the steel column, wherein each transporting tool lifts the steel column to a bearing carrier by using respective vertical traction equipment, so that the two ends of the steel column are respectively positioned on the bearing carriers of the two transporting tools; a steel wire rope of the horizontal traction equipment penetrates through the installed steel wire rope protection tool by utilizing the horizontal traction equipment, the steel wire rope is connected to a reverse transportation tool at one end, and the steel column is horizontally pulled to a specified position;
(4) After the steel column is transported to the designated position, hoisting equipment is used for hoisting the steel column in place, the hook is removed, the steel wire rope is retracted, the steel wire rope protection tool is removed, and the hoisting of the steel column is finished.
6. The hoisting method for hoisting the matched tool by utilizing the steel column of the multi-layer basement under the deep foundation pit support as claimed in claim 5, wherein the hoisting method comprises the following steps: in the step (2), a height adjusting assembly is arranged on the fixing assembly and comprises external threads which are tapped on the top of the upright post and a nut which is in threaded fit with the top of the upright post; the limiting rod is fixed with the nut; and penetrating a nut with a limiting rod into the stand column, screwing the nut, and clamping the top of the trestle plate outwards by the limiting rod on the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042505.4A CN112854241B (en) | 2021-01-13 | 2021-01-13 | Supporting tool and method for hoisting multilayer basement steel column under deep foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042505.4A CN112854241B (en) | 2021-01-13 | 2021-01-13 | Supporting tool and method for hoisting multilayer basement steel column under deep foundation pit support |
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| Publication Number | Publication Date |
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| CN112854241A CN112854241A (en) | 2021-05-28 |
| CN112854241B true CN112854241B (en) | 2022-11-29 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090094971A (en) * | 2008-03-04 | 2009-09-09 | 깨뱉시스템주식회사 | Under ground top-down method |
| CN202808245U (en) * | 2012-08-30 | 2013-03-20 | 中冶宝钢技术服务有限公司 | Split type protective casing for steel wire rope |
| CN203319598U (en) * | 2013-04-25 | 2013-12-04 | 胜利油田胜利石油化工建设有限责任公司 | Protective jacket for hoisting steel structure |
| CN204139627U (en) * | 2014-09-18 | 2015-02-04 | 中建钢构有限公司 | The anti-wear cover cage of wire rope |
| CN104947654B (en) * | 2015-07-01 | 2017-01-18 | 山东金城建设有限公司 | Complicated water area inclined rock face large-diameter cast-in-place pile construction method |
| CN107311062B (en) * | 2017-07-25 | 2019-04-12 | 上海建工七建集团有限公司 | Overlength heavy type column mould transporting and hoisting integrated apparatus and its installation method |
| CN207483166U (en) * | 2017-12-01 | 2018-06-12 | 广州远工机械有限公司 | One kind can split ship steel wire rope protective case |
| CN209816547U (en) * | 2019-03-21 | 2019-12-20 | 江苏锐金钢丝绳索具有限公司 | Steel wire rope rigging capable of reducing wear degree |
| CN209740490U (en) * | 2019-04-01 | 2019-12-06 | 中交路桥建设有限公司 | Lifting appliance suitable for lowering reinforcement cages with different diameters |
| CN111502307A (en) * | 2020-05-01 | 2020-08-07 | 重庆交通大学 | Multidirectional positioning device and positioning method for underground embedded steel pipe column |
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