CN111137788B - Convenient vertical alignment positioning device for hoisting steel concrete composite pipe by tower crane - Google Patents
Convenient vertical alignment positioning device for hoisting steel concrete composite pipe by tower crane Download PDFInfo
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- CN111137788B CN111137788B CN201811313563.0A CN201811313563A CN111137788B CN 111137788 B CN111137788 B CN 111137788B CN 201811313563 A CN201811313563 A CN 201811313563A CN 111137788 B CN111137788 B CN 111137788B
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- 239000004567 concrete Substances 0.000 title claims abstract description 175
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 168
- 239000010959 steel Substances 0.000 title claims abstract description 168
- 239000002131 composite material Substances 0.000 title claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 229910000746 Structural steel Inorganic materials 0.000 claims description 51
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The device comprises a lower-layer steel concrete composite pipe which is firmly fixed and an upper-layer steel concrete composite pipe which is arranged at the top of the lower-layer steel concrete composite pipe and is to be fixed, wherein the lower-layer steel concrete composite pipe is fixed; the lower end face of the upper layer steel concrete combined pipe is provided with a vertical falling guide convex structure, the inner side of the upper end face of the lower layer steel concrete combined pipe is provided with a guide positioning concave structure matched with the vertical falling guide structure, a plurality of groups of temporary positioning devices are arranged between the lower layer steel concrete combined pipe and the lower layer steel concrete combined pipe, each group of temporary positioning devices comprises two sets of pressing type positioners, and the two sets of pressing type positioners are respectively positioned on the front side face and the rear side face of the lower layer steel concrete combined pipe and the front side face and the rear side face of the lower layer steel concrete combined pipe. The invention is convenient to operate, releases a great amount of time for other hoisting operations for the tower crane, accelerates the construction progress, adopts a pressing positioning mode to position the upper layer of the steel concrete combined pipe, is convenient and quick, can be finely adjusted, and ensures the verticality and the construction quality.
Description
Technical Field
The invention belongs to the technical field of assembly type building construction, and particularly relates to a convenient vertical alignment positioning device for a tower crane to hoist a steel concrete combined pipe.
Background
A building designed according to the drawing, prefabricated steel components or reinforced concrete assemblies at a factory or a construction site and assembled at a construction site is called an assembled building. When the assembled building with fewer layers (low layers) is constructed, a large-tonnage crane is generally adopted to hoist and mount the steel member or the steel-concrete assembly on the upper layer, which is already constructed on the lower layer, in the whole process of butting the upper layer and the lower layer, the crane is required to always hoist the steel member or the steel-concrete assembly on the upper layer, the stability can still be influenced when the crane encounters strong wind, the crane always suspends the steel member, and a plurality of cranes are required during multi-point construction, the construction cost is higher, the crane occupies a larger construction site, and other operations on the construction site are also influenced. When the high-rise assembled building is constructed, a tower crane is used for hoisting, the tower crane is used for hoisting the steel member or the steel-concrete assembly on the upper layer on the steel member or the steel-concrete assembly on the lower layer which is constructed, and the tower crane is used for hoisting another steel member or steel-concrete assembly until the upper layer and the lower layer are reliably connected, so that a great deal of working time of the tower crane is occupied, and the use efficiency and the engineering progress of the tower crane are affected. In addition, when the tower crane is hoisted and butted, as the guiding butting structure is not arranged between the bottom of the upper steel member or the steel-concrete assembly and the top of the lower steel member or the steel-concrete assembly, the time is wasted, the butt joint is easy to generate dislocation, and the time and the labor are wasted when the error correction is performed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the convenient vertical alignment positioning device for the tower crane hoisting reinforced concrete composite pipe, which is convenient to operate, strong in stability, capable of greatly improving the construction efficiency and convenient for guiding and butting.
In order to solve the technical problems, the invention adopts the following technical scheme: the device comprises a lower-layer steel concrete composite pipe which is firmly fixed and an upper-layer steel concrete composite pipe which is arranged at the top of the lower-layer steel concrete composite pipe and is to be fixed, wherein the upper-layer steel concrete composite pipe and the lower-layer steel concrete composite pipe have the same structure; the lower end face of the upper layer steel concrete combined pipe is provided with a vertical falling guide convex structure, the inner side of the upper end face of the lower layer steel concrete combined pipe is provided with a guide positioning concave structure matched with the vertical falling guide structure, a plurality of groups of temporary positioning devices are arranged between the lower layer steel concrete combined pipe and the lower layer steel concrete combined pipe, each group of temporary positioning devices comprises two groups of pressing type positioners, the two groups of pressing type positioners are respectively positioned on the front side face and the rear side face of the lower layer steel concrete combined pipe and the front side face and the rear side face of the lower layer steel concrete combined pipe, and the two groups of pressing type positioners are symmetrically arranged front and rear;
The upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe comprise rectangular cylindrical structural steel plates which are formed by bending, round holes which are arranged in a rectangular array are correspondingly formed in the front side surface and the rear side surface of the rectangular cylindrical structural steel plates, tie bars are inserted in the round holes, the tie bars and the rectangular cylindrical structural steel plates are connected into a whole, the front end and the outer end of each tie bar extend out of the rectangular cylindrical structural steel plates from the front side and the rear side of each tie bar, reinforcing steel meshes with rectangular cross sections are arranged on the periphery of the outer part of the rectangular cylindrical structural steel plates, gaps are reserved between the reinforcing steel meshes and the rectangular cylindrical structural steel plates, the front side surface and the rear side surface of each reinforcing steel mesh are fixedly connected with the front end and the rear end of each tie bar, the left side surface and the right side surface of each reinforcing steel mesh are fixedly connected with the left side surface and the right side surface of each rectangular cylindrical structural steel plate through bolts, and outer concrete which condenses the reinforcing steel meshes inside is poured on the periphery of the outer part of the rectangular cylindrical structural steel plates; the external concrete and the steel bar net sheet form a steel concrete combined pipe through the tie bars and the rectangular cylindrical structural steel plate.
The upper connecting flange plate is fixedly arranged at the lower end part of the rectangular cylindrical structural steel plate of the upper-layer steel concrete composite pipe, the lower connecting flange plate is fixedly arranged at the upper end part of the rectangular cylindrical structural steel plate of the lower-layer steel concrete composite pipe, the shapes of the upper connecting flange plate and the lower connecting flange plate are rectangular mechanisms, rectangular holes penetrating up and down are formed in the middle parts of the upper connecting flange plate and the lower connecting flange plate, and the edge outline of each rectangular hole is aligned with the outer outlines of the inner walls of the cross sections of the upper-layer steel concrete composite pipe and the lower-layer steel concrete composite pipe one by one;
The vertical falling guide convex structure comprises two guide blocks which are of rectangular structures, the structures and the sizes of the two guide blocks are the same, and the two guide blocks are respectively arranged on the left side part and the right side part of the rectangular hole; the upper part of the guide block extends into and is fixedly connected to three side walls of the rectangular hole; the front side surface of the lower part of the guide block is a front guide slope surface which gradually inclines backwards from top to bottom, the rear side surface of the lower part of the guide block is a rear guide slope surface which gradually inclines forwards from top to bottom, the left side surface of the lower part of the left side guide block is a left guide slope surface which gradually inclines rightwards from top to bottom, and the right side surface of the lower part of the right side guide block is a right guide slope surface which gradually inclines leftwards from top to bottom.
The guiding and positioning concave structures are provided with two groups, and the two groups of guiding and positioning concave structures have the same structure and size and are symmetrically arranged left and right;
The left-side guiding and positioning concave structure comprises a first slat, a second slat, a third slat and a bottom plate, wherein the first slat is fixedly provided with a left side wall of a rectangular hole along the front-back direction, the second slat is fixedly provided with a front side wall of the rectangular hole along the left-right direction, the third slat is fixedly provided with a rear side wall of the rectangular hole along the left-right direction, the left end of the second slat and the left end of the third slat are respectively connected with the front end and the right end of the first slat, the bottom plate is fixedly provided with a lower-layer reinforced concrete combined pipe, the lower side edges of the first slat, the second slat and the third slat are fixedly connected with the upper surface of the bottom plate, and the right side surface of the first slat, the rear side surface of the second slat and the front side surface of the third slat are guiding slope surfaces;
when the upper connecting flange plate is in butt joint with the lower connecting flange plate, the right side surface of the first slat, the rear side surface of the second slat and the front side surface of the third slat are respectively contacted with and correspondingly matched with the left guide slope surface, the front guide slope surface and the rear guide slope surface of the left guide block, meanwhile, the bottom surface of the left guide block is contacted with the upper surface of the left bottom plate, and the bottom surface of the right guide block is contacted with the upper surface of the right bottom plate.
The bottom plate is provided with lower pouring through holes, and the guide block is provided with upper pouring through holes which are vertically corresponding to the lower pouring through holes.
The front side set of pressing type positioner comprises an upper fixing piece, a lower fixing piece and a pressing pull rod piece, wherein the upper fixing piece is fixedly arranged on the front side surface of the upper layer steel concrete composite pipe;
The upper fixing piece and the lower fixing piece are identical in structure and are vertically and symmetrically arranged, the upper fixing piece comprises fixing plates, supporting plates and inclined pulling plates which are vertically arranged, a plurality of mounting holes are formed in the upper layer steel concrete combined pipe along the front-back direction, stud bolts penetrate through the fixing plates of one set of pressing type locators on the front side and fixedly connect the rear side fixing plates with the front side surface of the upper layer steel concrete combined pipe through nuts, the rear ends of the stud bolts penetrate through the fixing plates of one set of pressing type locators on the rear side and fixedly connect the rear side fixing plates with the rear side surface of the upper layer steel concrete combined pipe through nuts, the rear ends of the supporting plates are fixedly connected to the lower parts of the front side surfaces of the fixing plates, the upper ends of the inclined pulling plates are fixedly connected to the upper parts of the front side surfaces of the fixing plates, the lower ends of the inclined pulling plates are fixedly connected to the upper parts of the middle parts of the supporting plates, and the upper sides of the front ends of the supporting plates are provided with two positioning grooves;
The pressing pull rod piece comprises a pressing rod, an upper pull rod assembly and a lower pull rod assembly, wherein a front pull hole and a rear pull hole positioned at the rear side of the front pull hole are formed in the rear end of the pressing rod, the lower end of the upper pull rod assembly is connected in the front pull hole, the upper end of the lower pull rod assembly is connected in the rear pull hole, the upper end of the upper pull rod assembly is hung in a positioning groove at the top of the upper support plate, and the lower end of the lower pull rod assembly is hung in a positioning groove at the lower part of the lower support plate.
The upper pull rod assembly comprises an upper U-shaped rod and a lower U-shaped rod, wherein the two end parts of the upper U-shaped rod are downwards arranged and are respectively provided with an upper external thread, the upper end part of the upper U-shaped rod is hung in a positioning groove on the upper side supporting plate, the two end parts of the lower U-shaped rod are upwards arranged and are respectively provided with a lower external thread, the lower end part of the lower U-shaped rod is penetrated and connected in a front pull hole, the thread directions of the upper external threads and the lower external threads are opposite, the two lower ends of the upper U-shaped rod and the two upper ends of the lower U-shaped rod are in one-to-one correspondence and are connected through two inner thread sleeves, and the outer part of the inner thread sleeve is of a hexagonal prism structure.
The upper pull rod assembly comprises an upper hanging ring, a lower hanging ring and a flower basket bolt, wherein the upper end part of the upper hanging ring is hung in a positioning groove on the upper part of the upper side supporting plate, the upper end of the flower basket bolt is connected with the lower part of the upper hanging ring, the lower end part of the lower hanging ring is penetrated and connected in the front pulling hole, and the lower end of the flower basket bolt is connected with the upper part of the lower hanging ring.
The lower pull rod component is a rectangular rod, and the ratio of the long side to the wide side of the rectangular rod is 3:1-10: and 1, the upper wide edge of the rectangular rod passes through and is connected in the rear pulling hole, and the lower wide edge of the rectangular rod is hung in a positioning groove at the lower part of the lower supporting plate.
The outer edge of the lower side of the upper connecting flange plate is butted with the outer edge of the upper side of the lower connecting flange plate and is provided with a welding breach, and the upper connecting flange plate and the lower connecting flange plate are fixedly connected into a whole through welding.
The inner side surface and the outer side surface of the rectangular cylindrical structural steel plate are provided with a plurality of reinforcing ribs.
By adopting the technical scheme, the invention has the following originality and beneficial effects:
1. After the lower-layer steel concrete composite pipe is installed and fixed, the tower crane lifts the upper-layer steel concrete composite pipe in place, so that an upper connecting flange plate at the lower end part of the upper-layer steel concrete composite pipe is in butt joint with a lower connecting flange plate at the upper end part of the lower-layer steel concrete composite pipe, and the specific butt joint process is as follows: when the upper connecting flange plate and the lower connecting flange plate basically correspond up and down, as the two guide sloping surfaces protruding downwards outside the guide blocks on the lower surface of the upper connecting flange plate, the lower ends of the guide blocks can easily enter into rectangular holes in the lower connecting flange plate, the left guide sloping surface, the front guide sloping surface and the rear guide sloping surface on the periphery of the left guide block are respectively matched with the guide sloping surfaces on the first slat, the second slat and the third slat on the left side, the right guide sloping surface, the front guide sloping surface and the rear guide sloping surface on the periphery of the right guide block are respectively matched with the guide sloping surfaces on the first slat, the second slat and the third slat on the right side, the upper connecting flange plate and the lower connecting flange plate are in butt joint, and the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are automatically aligned up and down without horizontal deviation correction adjustment.
Then installing the temporary positioning device on the front side and the rear side of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe, determining that the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are aligned up and down and ensuring that after the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are in the same vertical plane, pressing the pressing rod downwards, wherein a front pulling hole on the pressing rod of a set of pressing type positioner on the front side pulls the upper pulling rod assembly downwards to move downwards, and a rear pulling hole on the pressing rod pulls the lower pulling rod assembly upwards to move upwards until the side part of the lower end of the upper pulling rod assembly is contacted with the side part of the upper end of the lower pulling rod assembly, and the pressing rod is basically locked;
The set of push type locators on the rear side operate in the same push manner. Therefore, the upper fixing piece and the lower fixing piece are connected into a whole after being tensioned by the upper pull rod assembly and the lower pull rod assembly, at the moment, if the perpendicularity of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe is smaller, a spanner can be used for clamping an internal threaded sleeve or a basket bolt to rotate for fine adjustment until the vertical planes of the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe are adjusted to be consistent, then a tower crane can be controlled to loosen the upper layer steel concrete combined pipe, the tower crane continues to hoist other assembly members, and then a welding break between an upper connecting flange plate at the lower end part of the upper layer steel concrete combined pipe and a lower connecting flange plate at the upper end part of the lower layer steel concrete combined pipe is welded. In the welding process, other hoisting operations can be performed on the tower crane, so that the construction efficiency is improved.
2. Two positioning grooves are formed in the supporting plate, and the positions of the upper pull rod assembly and the lower pull rod assembly, which are connected with the positioning grooves in a hanging mode, can be adjusted, so that the pressing force operation of the pressing rod is facilitated.
3. After the welding between the upper connecting flange plate at the lower end part of the upper layer steel concrete composite pipe and the lower connecting flange plate at the upper end part of the lower layer steel concrete composite pipe is finished, the temporary positioning device is disassembled, and the temporary positioning device is installed for use after the next butt joint of the upper layer steel concrete composite pipe and the lower layer steel concrete composite pipe. The upper fixing piece and the lower fixing piece are installed by the stud bolts, so that the device is quick and convenient and can be repeatedly used for a plurality of times.
4. The invention simplifies the construction process of the shear wall, further improves the construction progress, the steel concrete composite pipe is formed by bending steel plates with reinforcing ribs on the inner and outer surfaces, the contact area between steel and concrete is increased by the tie bars, the strength and the integrity of the rectangular cylindrical structural steel plate are enhanced, and the reinforcing steel meshes which are not contacted with the outer side wall of the rectangular cylindrical structural steel plate are arranged on the outer sides of the periphery of the rectangular cylindrical structural steel plate, so that the combination of the outer concrete wrapped on the outer side of the rectangular cylindrical structural steel plate and the rectangular cylindrical structural steel plate is firmer, the deformation resistance of the steel concrete composite pipe is improved, and the outer concrete is wrapped on the inner and outer sides of the rectangular cylindrical structural steel plate, so that the steel concrete composite shear wall can prevent fire and corrosion, and the structural durability is greatly improved.
5. The guide block not only plays a role in guiding during falling butt joint, but also plays a role in enhancing the strength of the lower port of the rectangular cylindrical structural steel plate. The bottom plate is used for enhancing the strength of the upper port of the steel plate with the rectangular cylindrical structure. The bottom plate is provided with lower pouring through holes which are vertically corresponding to the upper pouring through holes which are arranged on the guide blocks, and when concrete is poured inside, the connection strength between the upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe can be improved through the concrete.
In conclusion, the invention has novel design, is convenient to operate, releases a great amount of time for other hoisting operations for the tower crane, accelerates the construction progress, adopts a pressing positioning mode to position the upper layer of steel concrete combined pipe, is convenient and quick, can be finely adjusted, and ensures the verticality and the construction quality; the steel concrete composite pipe adopts the outsourcing concrete, has stronger fire prevention, corrosion prevention and structural durability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic illustration of the upper and lower steel concrete composite pipes prior to casting the outer concrete therein;
FIG. 5 is a schematic illustration of the construction of a first embodiment of an upper tie rod assembly;
FIG. 6 is a schematic view of the structure of the upper fixture;
FIG. 7 is a schematic structural view of the drop rod assembly;
FIG. 8 is a schematic plan view of an upper layer steel concrete composite pipe;
FIG. 9 is a top view of a lower layer steel concrete composite pipe;
FIG. 10 is a schematic perspective view of the lower attachment flange plate and guide block of FIG. 8;
FIG. 11 is a schematic structural view of a second embodiment of an upper tie rod assembly.
Detailed Description
Embodiment one: as shown in fig. 1-10, the convenient vertical alignment positioning device for the tower crane to hoist the steel concrete composite pipe comprises a lower steel concrete composite pipe 1 which is firmly fixed and an upper steel concrete composite pipe 2 which is arranged at the top of the lower steel concrete composite pipe 1 and is to be fixed, wherein the upper steel concrete composite pipe 2 and the lower steel concrete composite pipe 1 have the same structure; the lower end face of the upper layer steel concrete combined pipe 2 is provided with a vertical falling guide convex structure, the inner side of the upper end face of the lower layer steel concrete combined pipe 1 is provided with a guide positioning concave structure matched with the vertical falling guide structure, a plurality of groups of temporary positioning devices are arranged between the lower layer steel concrete combined pipe 1 and the lower layer steel concrete combined pipe 1, each group of temporary positioning devices comprises two groups of pressing type positioners, the two groups of pressing type positioners are respectively positioned on the front side face and the rear side face of the lower layer steel concrete combined pipe 1 and the front side face and the rear side face of the lower layer steel concrete combined pipe 1, and the two groups of pressing type positioners are arranged in a front-back symmetrical mode.
The upper layer steel concrete combined pipe 2 and the lower layer steel concrete combined pipe 1 respectively comprise rectangular cylindrical structural steel plates 16 formed by bending, round holes which are arranged in a rectangular array are correspondingly formed in the front side and the rear side of each rectangular cylindrical structural steel plate 16, tie bars 17 are inserted into the round holes, the tie bars 17 are connected with the rectangular cylindrical structural steel plates 16 into a whole, the front ends and the outer ends of the tie bars 17 extend out of the rectangular cylindrical structural steel plates 16 from front to back sides respectively, reinforcing steel meshes 18 with rectangular cross sections are arranged on the periphery of the outer parts of the rectangular cylindrical structural steel plates 16, gaps are reserved between the reinforcing steel meshes 18 and the rectangular cylindrical structural steel plates 16, the front side and the rear side of each reinforcing steel mesh 18 are fixedly connected with the front end and the rear end of each tie bar 17 respectively, the left side and the right side of each reinforcing steel mesh 18 are fixedly connected with the left side and the right side of each rectangular cylindrical structural steel plate 16 through bolts, and outer concrete which condenses the reinforcing steel meshes 18 inside is poured on the periphery of the outer parts of the rectangular cylindrical structural steel plates 16; the outer concrete and the steel bar net sheet 18 form a steel concrete combined pipe through the tie bars 17 and the rectangular cylindrical structural steel plate 16. The rectangular cylindrical structural steel plate 16 is provided with a plurality of reinforcing ribs 20 on both the inner side and the outer side.
The lower end part of the rectangular cylindrical structural steel plate 16 of the upper-layer steel concrete composite pipe 2 is fixedly provided with an upper connecting flange plate 19, the upper end part of the rectangular cylindrical structural steel plate 16 of the lower-layer steel concrete composite pipe 1 is fixedly provided with a lower connecting flange plate 24, the shapes of the upper connecting flange plate 19 and the lower connecting flange plate 24 are rectangular mechanisms, the middle parts of the upper connecting flange plate 19 and the lower connecting flange plate 24 are provided with rectangular holes 25 which are through up and down, and the edge contours of the rectangular holes 25 are aligned with the outer contours of the inner walls of the cross sections of the upper-layer steel concrete composite pipe 2 and the lower-layer steel concrete composite pipe 1 one by one;
The vertical falling guide convex structure comprises two guide blocks 26 which are all in a rectangular structure, the structures and the sizes of the two guide blocks 26 are the same, and the two guide blocks 26 are respectively arranged on the left side part and the right side part of the rectangular hole 25; the upper part of the guide block 26 extends into and is fixedly connected to three side walls of the rectangular hole 25; the front side surface of the lower part of the guide block 26 is a front guide slope surface which gradually inclines backwards from top to bottom, the rear side surface of the lower part of the guide block 26 is a rear guide slope surface which gradually inclines forwards from top to bottom, the left side surface of the lower part of the left side guide block 26 is a left guide slope surface which gradually inclines right from top to bottom, and the right side surface of the lower part of the right side guide block 26 is a right guide slope surface which gradually inclines left from top to bottom.
The guiding and positioning concave structures are provided with two groups, and the two groups of guiding and positioning concave structures have the same structure and size and are symmetrically arranged left and right;
The left-side guiding and positioning concave structure comprises a first slat 27, a second slat 28, a third slat 29 and a bottom plate 30, wherein the first slat 27 is fixedly provided with the left side wall of a rectangular hole 25 along the front-back direction, the second slat 28 is fixedly provided with the front side wall of the rectangular hole 25 along the left-right direction, the third slat 29 is fixedly provided with the rear side wall of the rectangular hole 25 along the left-right direction, the left end of the second slat 28 and the left end of the third slat 29 are respectively connected with the front end and the right end of the first slat 27, the bottom plate 30 is fixedly provided with the lower layer steel concrete combined pipe 1, the lower side edges of the first slat 27, the second slat 28 and the third slat 29 are fixedly connected with the upper surface of the bottom plate 30, and the right side surface of the first slat 27, the rear side surface of the second slat 28 and the front side surface of the third slat 29 are guiding slope surfaces;
when the upper and lower connection flange plates 19 and 24 are butted, the right side surface of the first slat 27, the rear side surface of the second slat 28 and the front side surface of the third slat 29 are respectively contacted and correspondingly matched with the left guide slope surface, the front guide slope surface and the rear guide slope surface of the left guide block 26, while the bottom surface of the left guide block 26 is contacted with the upper surface of the left bottom plate 30, and the bottom surface of the right guide block 26 is contacted with the upper surface of the right bottom plate 30.
The bottom plate 30 is provided with a lower casting through hole 31, and the guide block 26 is provided with an upper casting through hole 32 which corresponds to the lower casting through hole 31 up and down.
The front side set of pressing type positioner comprises an upper fixing piece 3, a lower fixing piece 4 and a pressing pull rod piece 5, wherein the upper fixing piece 3 is fixedly arranged on the front side surface of the upper layer steel concrete composite pipe 2, and the lower fixing piece 4 is fixedly arranged on the front side surface of the lower layer steel concrete composite pipe 1 and is positioned under the upper fixing piece 3;
The upper fixing piece 3 and the lower fixing piece 4 are identical in structure and are symmetrically arranged up and down, the upper fixing piece 3 comprises fixing plates 6, supporting plates 7 and inclined pull plates 8 which are vertically arranged, a plurality of mounting holes are formed in the upper layer steel concrete combined pipe 2 along the front-back direction, stud bolts penetrate through the mounting plates 6 of one set of pressing type positioners on the front side and fixedly connect the rear side fixing plates 6 with the front side surface of the upper layer steel concrete combined pipe 2 through nuts, the rear ends of the stud bolts penetrate through the mounting plates 6 of one set of pressing type positioners on the rear side and fixedly connect the rear side fixing plates 6 with the rear side surface of the upper layer steel concrete combined pipe 2 through nuts, the rear ends of the supporting plates 7 are fixedly connected to the lower parts of the front side surfaces of the fixing plates 6, the upper ends of the inclined pull plates 8 are fixedly connected to the upper parts of the front side surfaces of the fixing plates 6, the lower ends of the inclined pull plates 8 are fixedly connected to the upper sides of the middle parts of the supporting plates 7, and the upper sides of the front ends of the supporting plates 7 are provided with two positioning grooves 9;
The pressing pull rod piece 5 comprises a pressing rod 10, an upper pull rod assembly 11 and a lower pull rod assembly 12, wherein a front pull hole and a rear pull hole positioned at the rear side of the front pull hole are formed in the rear end of the pressing rod 10, the lower end of the upper pull rod assembly 11 is connected in the front pull hole, the upper end of the lower pull rod assembly 12 is connected in the rear pull hole, the upper end of the upper pull rod assembly 11 is hung in a positioning groove 9 at the top of the upper support plate 7, and the lower end of the lower pull rod assembly 12 is hung in a positioning groove 9 at the lower part of the lower support plate 7.
The upper pull rod assembly 11 comprises an upper U-shaped rod 13 and a lower U-shaped rod 14, wherein the two ends of the upper U-shaped rod 13 are downward and are respectively provided with an upper external thread, the upper end of the upper U-shaped rod 13 is hung in a positioning groove 9 on the upper portion of the upper support plate 7, the two ends of the lower U-shaped rod 14 are upward and are respectively provided with a lower external thread, the lower end of the lower U-shaped rod 14 is penetrated and connected in a front pull hole, the thread directions of the upper external threads and the lower external threads are opposite, the two lower ends of the upper U-shaped rod 13 and the two upper ends of the lower U-shaped rod 14 are in one-to-one correspondence and are connected through two inner threaded sleeves 15, and the outer parts of the inner threaded sleeves 15 are of a hexagonal prism structure.
The drop bar assembly 12 is a rectangular bar having a ratio of long side to wide side of 3:1-10:1, the upper wide edge of the rectangular rod passes through and is connected in the rear pulling hole, and the lower wide edge of the rectangular rod is hung in a positioning groove 9 at the lower part of the lower supporting plate 7.
The invention has the following originality and beneficial effects:
1. After the lower-layer steel concrete composite pipe 1 is installed and fixed, the tower crane lifts the upper-layer steel concrete composite pipe 2 in place, so that an upper connecting flange plate 19 at the lower end part of the upper-layer steel concrete composite pipe 2 is in butt joint with a lower connecting flange plate 24 at the upper end part of the lower-layer steel concrete composite pipe 1, and the specific butt joint process is as follows: when the upper connecting flange plate 19 and the lower connecting flange plate 24 basically correspond to each other from top to bottom, because the two guide slopes protruding downwards from the outer sides of the guide blocks 26 on the lower surface of the upper connecting flange plate 19 are arranged, the lower ends of the guide blocks 26 can easily enter the rectangular holes 25 in the lower connecting flange plate 24, the left guide slope, the front guide slope and the rear guide slope on the periphery of the left guide block 26 are respectively matched with the guide slope surfaces on the first slat 27, the second slat 28 and the third slat 29 on the left side, and the right guide slope, the front guide slope and the rear guide slope on the periphery of the right guide block 26 are respectively matched with the guide slope surfaces on the first slat 27, the second slat 28 and the third slat 29 on the right side, and then the upper connecting flange plate 19 and the lower connecting flange plate 24 are in butt joint, so that the upper layer steel concrete combined pipe 2 and the lower layer steel concrete combined pipe 1 are automatically aligned from top to bottom, and are not used for horizontal deviation correction.
Then, the temporary positioning device is arranged on the front side surface and the rear side surface of the upper layer steel concrete composite pipe 2 and the lower layer steel concrete composite pipe 1, after the upper layer steel concrete composite pipe 2 and the lower layer steel concrete composite pipe 1 are vertically aligned and are guaranteed to be on the same vertical plane, the pressing rod 10 is pressed downwards, the front pulling hole on the pressing rod 10 of the front set of pressing type positioners pulls the upper pulling rod assembly 11 downwards, the rear pulling hole on the pressing rod 10 pulls the lower pulling rod assembly 12 upwards, and the pressing rod 10 is basically locked until the lower end side part of the upper pulling rod assembly 11 is contacted with the upper end side part of the lower pulling rod assembly 12;
The set of push type locators on the rear side operate in the same push manner. In this way, the upper fixing piece 3 and the lower fixing piece 4 are connected into a whole after being tensioned by the upper pull rod assembly 11 and the lower pull rod assembly 12, if the perpendicularity of the upper layer steel concrete combined pipe 2 and the lower layer steel concrete combined pipe 1 is smaller, a spanner can be used for clamping the rotation of the internal threaded sleeve 15 or the basket bolt to carry out fine adjustment until the vertical planes of the upper layer steel concrete combined pipe 2 and the lower layer steel concrete combined pipe 1 are adjusted to be consistent, then a tower crane can be controlled to loosen the upper layer steel concrete combined pipe 2, the tower crane continues to hoist other assembly components, and then a welding break between the upper connecting flange plate 19 at the lower end part of the upper layer steel concrete combined pipe 2 and the lower connecting flange plate 24 at the upper end part of the lower layer steel concrete combined pipe 1 is welded. In the welding process, other hoisting operations can be performed on the tower crane, so that the construction efficiency is improved.
2. Two positioning grooves 9 are formed in the supporting plate 7, and the hanging positions of the upper pull rod assembly 11 and the lower pull rod assembly 12 and the positioning grooves 9 can be adjusted, so that the pressing force operation of the pressing rod 10 is facilitated.
3. After the welding between the upper connecting flange plate 19 at the lower end part of the upper layer steel concrete composite pipe 2 and the lower connecting flange plate 24 at the upper end part of the lower layer steel concrete composite pipe 1 is finished, the temporary positioning device is disassembled, and the upper layer steel concrete composite pipe 2 and the lower layer steel concrete composite pipe 1 are installed for use after the next butt joint. The upper fixing piece 3 and the lower fixing piece 4 are installed by the stud bolts, so that the device is quick and convenient and can be repeatedly used for a plurality of times.
4. The construction process of the shear wall is simplified, the construction progress is further improved, the steel concrete composite pipe is formed by bending steel plates with reinforcing ribs 20 on the inner surface and the outer surface, the contact area between steel and concrete is increased through the tie bars 17, the strength and the integrity of the rectangular cylindrical structural steel plate 16 are enhanced, the reinforcing steel meshes 18 which are not in contact with the outer side wall of the rectangular cylindrical structural steel plate 16 are arranged on the outer side of the periphery of the rectangular cylindrical structural steel plate 16, the combination of outer concrete wrapped on the outer side of the rectangular cylindrical structural steel plate 16 and the rectangular cylindrical structural steel plate 16 is firmer, the deformation resistance of the steel concrete composite pipe is further improved, and the outer concrete is wrapped on the inner side and the outer side of the rectangular cylindrical structural steel plate 16, so that the steel concrete composite shear wall can prevent fire and corrosion, and the structural durability is greatly improved.
5. The guide block 26 not only plays a role in guiding when the steel plate is abutted in falling, but also plays a role in reinforcing the strength of the lower port of the rectangular cylindrical structural steel plate. The action of the bottom plate 30 enhances the upper port strength of the rectangular cylindrical structural steel plate. The bottom plate 30 is provided with lower pouring through holes 31 which are vertically corresponding to upper pouring through holes 32 which are arranged on the guide blocks 26, and when concrete is poured inside, the connection strength between the upper layer steel concrete composite pipe 2 and the lower layer steel concrete composite pipe 1 can be improved through the concrete.
Embodiment two: as shown in fig. 11, this embodiment is different from the first embodiment in that the upper tie rod assembly 11 includes an upper link 21, a lower link 22, and a basket bolt 23, the upper end of the upper link 21 is hung in a positioning groove 9 at the upper portion of the upper support plate 7, the upper end of the basket bolt 23 is connected with the lower portion of the upper link 21, the lower end of the lower link 22 is penetrated and connected in a front pulling hole, and the lower end of the basket bolt 23 is connected with the upper portion of the lower link 22.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (8)
1. Convenient vertical alignment positioner of tower crane hoist and mount steel concrete composite pipe, its characterized in that: the device comprises a lower-layer steel concrete combined pipe which is firmly fixed and an upper-layer steel concrete combined pipe which is arranged at the top of the lower-layer steel concrete combined pipe and is to be fixed, wherein the upper-layer steel concrete combined pipe and the lower-layer steel concrete combined pipe have the same structure; the lower end face of the upper layer steel concrete combined pipe is provided with a vertical falling guide convex structure, the inner side of the upper end face of the lower layer steel concrete combined pipe is provided with a guide positioning concave structure matched with the vertical falling guide structure, a plurality of groups of temporary positioning devices are arranged between the lower layer steel concrete combined pipe and the lower layer steel concrete combined pipe, each group of temporary positioning devices comprises two groups of pressing type positioners, the two groups of pressing type positioners are respectively positioned on the front side face and the rear side face of the lower layer steel concrete combined pipe and the front side face and the rear side face of the lower layer steel concrete combined pipe, and the two groups of pressing type positioners are symmetrically arranged front and rear;
The upper layer steel concrete combined pipe and the lower layer steel concrete combined pipe comprise rectangular cylindrical structural steel plates which are formed by bending, round holes which are arranged in a rectangular array are correspondingly formed in the front side surface and the rear side surface of the rectangular cylindrical structural steel plates, tie bars are inserted in the round holes, the tie bars and the rectangular cylindrical structural steel plates are connected into a whole, the front end and the outer end of each tie bar extend out of the rectangular cylindrical structural steel plates from the front side and the rear side of each tie bar, reinforcing steel meshes with rectangular cross sections are arranged on the periphery of the outer part of the rectangular cylindrical structural steel plates, gaps are reserved between the reinforcing steel meshes and the rectangular cylindrical structural steel plates, the front side surface and the rear side surface of each reinforcing steel mesh are fixedly connected with the front end and the rear end of each tie bar, the left side surface and the right side surface of each reinforcing steel mesh are fixedly connected with the left side surface and the right side surface of each rectangular cylindrical structural steel plate through bolts, and outer concrete which condenses the reinforcing steel meshes inside is poured on the periphery of the outer part of the rectangular cylindrical structural steel plates; the outer concrete and the steel bar net sheet form a steel concrete combined pipe through tie bars and a rectangular cylindrical structural steel plate;
the upper connecting flange plate is fixedly arranged at the lower end part of the rectangular cylindrical structural steel plate of the upper-layer steel concrete composite pipe, the lower connecting flange plate is fixedly arranged at the upper end part of the rectangular cylindrical structural steel plate of the lower-layer steel concrete composite pipe, the shapes of the upper connecting flange plate and the lower connecting flange plate are rectangular mechanisms, rectangular holes penetrating up and down are formed in the middle parts of the upper connecting flange plate and the lower connecting flange plate, and the edge outline of each rectangular hole is aligned with the outer outlines of the inner walls of the cross sections of the upper-layer steel concrete composite pipe and the lower-layer steel concrete composite pipe one by one;
the vertical falling guide convex structure comprises two guide blocks which are of rectangular structures, the structures and the sizes of the two guide blocks are the same, and the two guide blocks are respectively arranged on the left side part and the right side part of the rectangular hole; the upper part of the guide block extends into and is fixedly connected to three side walls of the rectangular hole; the front side surface of the lower part of the guide block is a front guide slope surface which gradually inclines backwards from top to bottom, the rear side surface of the lower part of the guide block is a rear guide slope surface which gradually inclines forwards from top to bottom, the left side surface of the lower part of the left side of the guide block is a left guide slope surface which gradually inclines rightwards from top to bottom, and the right side surface of the lower part of the right side of the guide block is a right guide slope surface which gradually inclines leftwards from top to bottom;
the inner side surface and the outer side surface of the rectangular cylindrical structural steel plate are provided with a plurality of reinforcing ribs.
2. The device for conveniently and vertically aligning and positioning a steel concrete composite pipe hoisted by a tower crane according to claim 1 is characterized in that: the guiding and positioning concave structures are provided with two groups, and the two groups of guiding and positioning concave structures have the same structure and size and are symmetrically arranged left and right;
The left-side guiding and positioning concave structure comprises a first slat, a second slat, a third slat and a bottom plate, wherein the first slat is fixedly provided with a left side wall of a rectangular hole along the front-back direction, the second slat is fixedly provided with a front side wall of the rectangular hole along the left-right direction, the third slat is fixedly provided with a rear side wall of the rectangular hole along the left-right direction, the left end of the second slat and the left end of the third slat are respectively connected with the front end and the right end of the first slat, the bottom plate is fixedly provided with a lower-layer reinforced concrete combined pipe, the lower side edges of the first slat, the second slat and the third slat are fixedly connected with the upper surface of the bottom plate, and the right side surface of the first slat, the rear side surface of the second slat and the front side surface of the third slat are guiding slope surfaces;
when the upper connecting flange plate is in butt joint with the lower connecting flange plate, the right side surface of the first slat, the rear side surface of the second slat and the front side surface of the third slat are respectively contacted with and correspondingly matched with the left guide slope surface, the front guide slope surface and the rear guide slope surface of the left guide block, meanwhile, the bottom surface of the left guide block is contacted with the upper surface of the left bottom plate, and the bottom surface of the right guide block is contacted with the upper surface of the right bottom plate.
3. The device for conveniently and vertically aligning and positioning the tower crane hoisting steel concrete composite pipe according to claim 2, which is characterized in that: the bottom plate is provided with lower pouring through holes, and the guide block is provided with upper pouring through holes which are vertically corresponding to the lower pouring through holes.
4. The device for conveniently and vertically aligning and positioning a steel concrete composite pipe hoisted by a tower crane according to claim 1 is characterized in that: the front side set of pressing type positioner comprises an upper fixing piece, a lower fixing piece and a pressing pull rod piece, wherein the upper fixing piece is fixedly arranged on the front side surface of the upper layer steel concrete composite pipe;
The upper fixing piece and the lower fixing piece are identical in structure and are vertically and symmetrically arranged, the upper fixing piece comprises fixing plates, supporting plates and inclined pulling plates which are vertically arranged, a plurality of mounting holes are formed in the upper layer steel concrete combined pipe along the front-back direction, stud bolts penetrate through the fixing plates of one set of pressing type locators on the front side and fixedly connect the rear side fixing plates with the front side surface of the upper layer steel concrete combined pipe through nuts, the rear ends of the stud bolts penetrate through the fixing plates of one set of pressing type locators on the rear side and fixedly connect the rear side fixing plates with the rear side surface of the upper layer steel concrete combined pipe through nuts, the rear ends of the supporting plates are fixedly connected to the lower parts of the front side surfaces of the fixing plates, the upper ends of the inclined pulling plates are fixedly connected to the upper parts of the front side surfaces of the fixing plates, the lower ends of the inclined pulling plates are fixedly connected to the upper parts of the middle parts of the supporting plates, and the upper sides of the front ends of the supporting plates are provided with two positioning grooves;
The pressing pull rod piece comprises a pressing rod, an upper pull rod assembly and a lower pull rod assembly, wherein a front pull hole and a rear pull hole positioned at the rear side of the front pull hole are formed in the rear end of the pressing rod, the lower end of the upper pull rod assembly is connected in the front pull hole, the upper end of the lower pull rod assembly is connected in the rear pull hole, the upper end of the upper pull rod assembly is hung in a positioning groove at the top of the upper support plate, and the lower end of the lower pull rod assembly is hung in a positioning groove at the lower part of the lower support plate.
5. The device for conveniently and vertically aligning and positioning the steel concrete composite pipe hoisted by a tower crane according to claim 4 is characterized in that: the upper pull rod assembly comprises an upper U-shaped rod and a lower U-shaped rod, wherein the two end parts of the upper U-shaped rod are downwards arranged and are respectively provided with an upper external thread, the upper end part of the upper U-shaped rod is hung in a positioning groove on the upper side supporting plate, the two end parts of the lower U-shaped rod are upwards arranged and are respectively provided with a lower external thread, the lower end part of the lower U-shaped rod is penetrated and connected in a front pull hole, the thread directions of the upper external threads and the lower external threads are opposite, the two lower ends of the upper U-shaped rod and the two upper ends of the lower U-shaped rod are in one-to-one correspondence and are connected through two inner thread sleeves, and the outer part of the inner thread sleeve is of a hexagonal prism structure.
6. The device for conveniently and vertically aligning and positioning the steel concrete composite pipe hoisted by a tower crane according to claim 4 is characterized in that: the upper pull rod assembly comprises an upper hanging ring, a lower hanging ring and a flower basket bolt, wherein the upper end part of the upper hanging ring is hung in a positioning groove on the upper part of the upper side supporting plate, the upper end of the flower basket bolt is connected with the lower part of the upper hanging ring, the lower end part of the lower hanging ring is penetrated and connected in the front pulling hole, and the lower end of the flower basket bolt is connected with the upper part of the lower hanging ring.
7. The device for conveniently and vertically aligning and positioning the steel concrete composite pipe hoisted by the tower crane according to claim 5 or 6, which is characterized in that: the lower pull rod component is a rectangular rod, and the ratio of the long side to the wide side of the rectangular rod is 3:1-10: and 1, the upper wide edge of the rectangular rod passes through and is connected in the rear pulling hole, and the lower wide edge of the rectangular rod is hung in a positioning groove at the lower part of the lower supporting plate.
8. The tower crane hoisting steel concrete composite pipe convenient vertical alignment positioning device according to any one of claims 1-4, wherein: the outer edge of the lower side of the upper connecting flange plate is butted with the outer edge of the upper side of the lower connecting flange plate and is provided with a welding breach, and the upper connecting flange plate and the lower connecting flange plate are fixedly connected into a whole through welding.
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| CN108505749A (en) * | 2018-06-15 | 2018-09-07 | 河南绿建建筑科技有限公司 | The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation |
| CN108571169A (en) * | 2018-06-15 | 2018-09-25 | 河南绿建建筑科技有限公司 | Prefabrication steel concrete overlapped shear wall assembled architecture construction method |
| CN209352455U (en) * | 2018-11-06 | 2019-09-06 | 河南绿建建筑科技有限公司 | Tower crane lifting steel concrete compound tube facilitates vertical non-alignment positioning device |
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| JP2007046238A (en) * | 2005-08-05 | 2007-02-22 | Sho Bond Constr Co Ltd | Steel composite concrete precast floor slab |
| KR20130104923A (en) * | 2012-03-16 | 2013-09-25 | 권택철 | Assembled gang form |
| CN103899093A (en) * | 2014-04-28 | 2014-07-02 | 江苏南通六建建设集团有限公司 | Step-by-step hoisting construction method of mega-frame steel truss beam |
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