CN215925673U - Back anchor formula is hoisting apparatus in advance - Google Patents
Back anchor formula is hoisting apparatus in advance Download PDFInfo
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- CN215925673U CN215925673U CN202121757288.9U CN202121757288U CN215925673U CN 215925673 U CN215925673 U CN 215925673U CN 202121757288 U CN202121757288 U CN 202121757288U CN 215925673 U CN215925673 U CN 215925673U
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- anchor rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 238000005520 cutting process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a rear anchor type pre-hoisting device which comprises a first I-shaped steel beam body, wherein a connecting plate is arranged at the upper part of the first I-shaped steel beam body, a second I-shaped steel beam body is arranged through the connecting plate, the first I-shaped steel beam body and the second I-shaped steel beam body form a double-spliced I-shaped steel beam body through the connecting plate, a gasket is arranged at the upper part of the double-spliced I-shaped steel beam body, a through hole is formed in the gasket, an anchor rod is arranged on the through hole, a fixing assembly is arranged at the upper end of the anchor rod, an I-shaped steel base is arranged at the lower end of the anchor rod, and a through hole is formed in the I-shaped steel base.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a rear anchor type pre-hoisting device.
Background
When the bridge is located in the center of a city, a nearby community or above a navigation river channel, the flow of people in the engineering environment is large, the construction environment is required to avoid high noise, dust emission and other pollution, and a static cutting mechanical operation method is preferentially adopted. In the static cutting and dismantling process of the bridge, a supporting platform is erected at the bottom of the beam or a beam block to be cut is anchored through a pre-hoisting device in a conventional method, the beam body is formally cut by using a diamond wire saw, and hoisting equipment is hoisted to a transport vehicle and conveyed to a waste stacking area for unified treatment.
The anchor device mainly used for bridge dismantling at present is a climbing pole hanger, in order to meet the on-site requirement, the hanger is required to be customized according to the pre-hanging weight, the hanger mainly comprises I-steel, a steel wire rope and a winch, the hanger is required to be installed and customized through the cooperation of the crane in the construction process and anchored on a beam body which is not cut temporarily, then the beam body to be cut is hoisted through the steel wire rope, and finally the beam block is in a gradual stress state through the cooperation of the winch device and the cutting progress, but the customized hanger has larger self-weight, the operation is required to be carried out through the cooperation of the crane in the transferring and installing processes, and meanwhile, the loading is required to be carried out in real time according to the cutting progress in the cutting process, so that the construction is more troublesome, meanwhile, after the beam block is cut, the pre-hanging device and the steel wire rope of the hoisting equipment have larger potential safety hazard in the conversion process, and the beam block is not connected with the original beam body after the cutting is finished, but be in mobile state, but wire rope conversion process needs personnel to assist the installation hoisting equipment wire rope with the help of equipment to reach the purpose that hoisting equipment shifted the roof beam piece of having torn open, to sum up the reason, lead to conventional customization gallows construction potential safety hazard big.
Therefore, the utility model of the rear anchor type pre-hoisting device is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a rear anchor type pre-hoisting device which comprises a first I-shaped steel beam body, wherein a connecting plate is arranged at the upper part of the first I-shaped steel beam body, a second I-shaped steel beam body is arranged through the connecting plate, the first I-shaped steel beam body and the second I-shaped steel beam body form a double-spliced I-shaped steel beam body through the connecting plate, a gasket is arranged at the upper part of the double-spliced I-shaped steel beam body, a through hole is formed in the gasket, an anchor rod is arranged on the through hole, a fixing assembly is arranged at the upper end of the anchor rod, an I-shaped steel base is arranged at the lower end of the anchor rod, and the anchor rod penetrates through the I-shaped steel base.
The fixing assembly comprises a bolt and a nut, the bolt is arranged at the upper end of the anchor rod, and the nut is arranged outside the bolt.
The end of the anchor rod and the lower part of the I-shaped steel base are respectively provided with a fixing assembly, and the nut and the bolt are matched and tightened and tightly attached to the gasket.
The I-shaped steel base is sleeved at the lower end part of the anchor rod and is tightly attached to the lower part of the double-spliced I-shaped steel beam body.
A through groove is formed in the middle of the double-spliced I-shaped steel beam body, and the anchor rod penetrates through the gasket and the through groove in the middle of the double-spliced I-shaped steel beam body.
The connecting plate all is equipped with a plurality ofly, and is used for fixed double pin I-steel roof beam body.
Compared with the prior art, the utility model has the following beneficial effects:
1. compared with the conventional climbing pole hanging bracket, the material consumption is less, and the material and production cost can be reduced.
2. The pre-hoisting device is convenient to mount and dismount, and the personnel investment and the time loss can be reduced.
3. The beam block is still in a stable state after being cut, and the safety of steel wire rope installation and hoisting equipment transfer can be ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic structural view of the securing assembly of the present invention;
fig. 5 is a schematic view of the structure of the gasket of the present invention.
In the figure:
1-a first I-shaped frame beam body, 2-a second I-shaped frame beam body, 3-a connecting plate, 4-a gasket, 5-a through hole, 6-an anchor rod, 7-a fixing component, 71-a bolt, 72-a nut, 8-an I-shaped frame base and 9-a double-spliced I-shaped frame base.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 5
The utility model provides a rear anchor type pre-hoisting device, which comprises a first I-shaped steel beam body 1, wherein the upper part of the first I-shaped steel beam body 1 is provided with a connecting plate 3, and is provided with a second I-shaped steel beam body 2 through the connecting plate 3, the first I-shaped steel beam body 1 and the second I-shaped steel beam body 2 form a double-spliced I-shaped steel beam body 9 through the connecting plate 3, the upper part of the double-spliced I-shaped steel beam body 9 is provided with a gasket 4, the gasket 4 is provided with a through hole 5, the through hole 5 is provided with an anchor rod 6, the upper end of the anchor rod 6 is provided with a fixing component 7, the lower end of the anchor rod 6 is provided with an I-shaped steel base 8, the anchor rod 6 penetrates through the double-spliced I-shaped steel base 8, the double-spliced I-shaped steel beam body 9 is formed by welding upper and lower flange plates of two same I-shaped steel into a whole through connection, a cutting concrete structure is reasonably arranged according to the width size and the weight of a cutting concrete block, holes are pre-drilled, and are arranged along the area of the double-spliced I-shaped steel beam body 9, and drilling two holes on the concrete block of the bridge which is not removed, and drilling one hole on the concrete block of the bridge to be removed. When the bridge deck pre-drilling device works, the I-shaped steel base 8 is placed at a proper position of a bridge deck pre-drilling hole, the double-spliced I-shaped steel beam bodies 9 are placed on the steel base 8 along the direction of the bridge deck, every two double-spliced I-shaped steel beam bodies form a group, the anchor rods 6 penetrate through the cushion blocks 4, the double-spliced I-shaped steel beam bodies 9 and holes of a cut concrete structure, the nuts 72 are screwed through pipe tongs and a torque wrench, the double-spliced I-shaped steel beam bodies 9 and the cut concrete structure are fixed, the beam body cutting work is started, the weight of the cut beam blocks is borne by the rear anchor pre-hoisting device at the moment of cutting off the cut blocks, after the beam blocks are kept stable, the beam blocks are transferred to a transport vehicle through hoisting equipment, and the hoisting safety performance is improved.
The fixing assembly 7 includes a bolt 71 and a nut 72, the bolt 71 is disposed at the upper end of the anchor rod 6, and the nut 72 is disposed outside the bolt 71 to facilitate fixing the anchor rod 6.
The end of the anchor rod 6 and the lower part of the I-shaped steel base 8 are both provided with fixing assemblies 7, and the nuts 72 and the bolts 71 are matched and tightened and tightly attached to the gaskets 4, so that looseness is prevented.
The I-shaped steel base 8 is sleeved at the lower end part of the anchor rod 6 and is tightly attached to the lower part of the double-spliced I-shaped steel beam body 9.
A through groove is formed in the middle of the double-spliced I-shaped steel beam body 9, and the anchor rod 6 penetrates through the gasket 4, the through groove in the middle of the double-spliced I-shaped steel beam body 9 and a through hole in the I-shaped steel base 8.
The connecting plates 3 are provided with a plurality of connecting plates and used for fixing the double-spliced I-shaped steel beam body 9.
Principle of operation
In the utility model, when the bridge deck is operated, the I-steel base 8 is placed at a proper position of a pre-drilled hole on the bridge deck, the double-spliced I-steel beam bodies 9 are placed on the I-steel base 8 along the direction of the bridge deck, every two double-spliced I-steel beam bodies 9 form a group, the anchor rod 6 penetrates through the cushion block 4, the double-spliced I-steel beam bodies 9 and a hole for cutting a concrete structure, the nut 72 is screwed down through a pipe wrench and a torque wrench, so that the double-spliced I-steel beam bodies 9 and the cut concrete structure are fixed, the beam body cutting operation is started, the weight of the cut beam block is borne by the rear anchor type pre-hoisting device at the moment of cutting off the cut beam block, the beam block is transferred to a transport vehicle through hoisting equipment after being kept stable, and the hoisting safety performance is improved.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (6)
1. The utility model provides a back anchor formula is hoist and mount in advance, includes first I-steel roof beam body (1), its characterized in that: the upper portion of the first I-shaped steel beam body (1) is provided with a connecting plate (3), a second I-shaped steel beam body (2) is arranged through the connecting plate (3), the first I-shaped steel beam body (1) and the second I-shaped steel beam body (2) form a double-spliced I-shaped steel beam body (9) through the connecting plate (3), the upper portion of the double-spliced I-shaped steel beam body (9) is provided with a gasket (4), a through hole (5) is formed in the gasket (4), an anchor rod (6) is arranged on the through hole (5), a fixing assembly (7) is arranged at the upper end of the anchor rod (6), the lower end of the anchor rod (6) is provided with an I-shaped steel base (8), and the anchor rod (6) penetrates through the I-shaped steel base (8).
2. The post-anchored pre-hoisting device according to claim 1, wherein: the fixing assembly (7) comprises a bolt (71) and a nut (72), the bolt (71) is arranged at the upper end part of the anchor rod (6), and the nut (72) is arranged outside the bolt (71).
3. The post-anchored pre-hoisting device according to claim 2, wherein: the end part of the anchor rod (6) and the lower part of the I-shaped steel base (8) are respectively provided with a fixing component (7), and the nut (72) and the bolt (71) are matched and tightened and tightly attached to the gasket (4).
4. A post-anchored pre-hoisting device according to claim 3, wherein: the I-shaped steel base (8) is sleeved at the lower end part of the anchor rod (6) and is tightly attached to the lower part of the double-spliced I-shaped steel beam body (9).
5. The post-anchored pre-hoisting device according to claim 4, wherein: a through groove is formed in the middle of the double-spliced I-shaped steel beam body (9), and the anchor rod (6) penetrates through the gasket (4) and the through groove in the middle of the double-spliced I-shaped steel beam body (9).
6. The post-anchored pre-hoisting device according to claim 5, wherein: the connecting plates (3) are provided with a plurality of connecting plates and used for fixing the double-spliced I-shaped steel beam body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757288.9U CN215925673U (en) | 2021-07-29 | 2021-07-29 | Back anchor formula is hoisting apparatus in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757288.9U CN215925673U (en) | 2021-07-29 | 2021-07-29 | Back anchor formula is hoisting apparatus in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215925673U true CN215925673U (en) | 2022-03-01 |
Family
ID=80397840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121757288.9U Active CN215925673U (en) | 2021-07-29 | 2021-07-29 | Back anchor formula is hoisting apparatus in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215925673U (en) |
-
2021
- 2021-07-29 CN CN202121757288.9U patent/CN215925673U/en active Active
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