CN219567490U - Hydraulic integral lifting structure applied to large steel truss - Google Patents
Hydraulic integral lifting structure applied to large steel truss Download PDFInfo
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- CN219567490U CN219567490U CN202320626346.7U CN202320626346U CN219567490U CN 219567490 U CN219567490 U CN 219567490U CN 202320626346 U CN202320626346 U CN 202320626346U CN 219567490 U CN219567490 U CN 219567490U
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Abstract
The utility model provides a hydraulic integral lifting structure applied to a large steel truss, which comprises a hydraulic lifter, steel strands and a support structure, wherein the hydraulic lifter is arranged on the support structure, the steel strands penetrate through the hydraulic lifter, a support piece is arranged on the support structure, a guide roller is rotatably arranged on the support piece, a first door-type limiting piece is arranged on the support piece, the guide roller and the first door-type limiting piece form an annular structure, and the steel strands penetrate through the annular structure; one side of the supporting piece far away from the hydraulic lifter is provided with a supporting structure which is used for supporting the steel stranded wires. The utility model provides a hydraulic integral lifting structure applied to a large steel truss, which can prevent deformation caused by too small bending angle at the bending position of the top of a steel strand through a supporting piece, a guide roller, a first door-shaped limiting piece and a supporting structure, ensure that the steel strand is bent into elastic deformation, and reduce subsequent straightening treatment of the steel strand.
Description
Technical Field
The utility model relates to the technical field of building equipment, in particular to a hydraulic integral lifting structure applied to a large steel truss.
Background
The hydraulic synchronous lifting technology adopts a hydraulic lifter as a lifting tool, a flexible steel strand is used as a bearing rigging, the hydraulic lifter is of a through-core structure, and the steel strand is used as the lifting rigging, so that the hydraulic synchronous lifting technology has a series of unique advantages of safety, reliability, light weight of a bearing part, convenience in transportation and installation, no necessity of splicing in the middle and the like.
Wedge-shaped anchors at two ends of the hydraulic lifter have unidirectional self-locking effect. When the anchorage works (is tight), the steel strand can be automatically locked; when the anchor is not working (loose), the steel strand is released, and the steel strand can move up and down.
When the steel strand is lifted to a high position through the steel strand, the steel strand penetrating through the top of the hydraulic lifter can deflect to a fixed direction by self-hanging through a guide roller, but as the steel strand is lifted, the length of the steel strand exceeding the top of the hydraulic lifter can be prolonged, and the weight of the steel strand can be increased along with the length of the steel strand by self-hanging, so that when the gravity of the steel strand by self-hanging reaches a certain value, the bending part at the top of the steel strand can deform, and the use of the steel strand is affected.
Disclosure of Invention
Based on the technical problems in the background technology, the utility model provides a hydraulic integral lifting structure applied to a large steel truss.
The utility model provides a hydraulic integral lifting structure applied to a large steel truss, which comprises a hydraulic lifter, steel strands and a support structure, wherein the hydraulic lifter is arranged on the support structure, the steel strands penetrate through the hydraulic lifter, a support piece is arranged on the support structure, a guide roller is rotatably arranged on the support piece, a first door-type limiting piece is arranged on the support piece, the guide roller and the first door-type limiting piece form an annular structure, and the steel strands penetrate through the annular structure; and one side of the supporting piece, which is far away from the hydraulic lifter, is provided with a supporting structure, and the supporting structure is used for supporting the steel strand.
Preferably, the support comprises a guide strut; the guide roller is rotatably arranged at the top of the guide strut through a rotating shaft.
Preferably, the guide roller is horizontally arranged.
Preferably, the bracing structure comprises a bracing rod; one end of the supporting rod is connected with one side of the guide supporting rod, which is far away from the hydraulic lifter.
Preferably, the end of the supporting rod is rotatably connected with the side surface of the guide supporting rod, and the guide supporting rod is provided with a driving structure for driving the supporting rod to rotate on the guide supporting rod.
Preferably, the drive structure comprises a telescopic member; the two ends of the telescopic piece are respectively rotatably arranged on the guide support rod and the support rod.
Preferably, one end of the support rod, which is far away from the guide support rod, is connected with a second door-shaped limiting piece; and the second door-type limiting part and the end part of the supporting rod form a limiting channel, and the steel stranded wire penetrates through the limiting channel.
Preferably, the bracket structure comprises an upright post, a rear pull rod, a lifting beam, a diagonal web member and a plane outer support rod; the upright posts are vertically arranged, the rear pull rods are obliquely arranged, the top ends of the rear pull rods are welded with one side of the top ends of the upright posts, one end of the lifting beam is welded with the top of one side of the upright posts, which is far away from the rear pull rods, the lifting beam is vertically arranged with the upright posts, and the two ends of the diagonal web member are respectively connected with the bottom of one side of the upright posts, which is far away from the rear pull rods, and the bottom of the lifting beam; the outer vaulting pole slope of plane sets up, the top of the outer vaulting pole of plane welds with one side of hoist beam, hydraulic lifting ware installs at the top of hoist beam, the current groove has been seted up to the one end that the stand was kept away from to the hoist beam, the steel strand wires run through current groove.
The utility model has the following beneficial effects: through support piece, guide roll, a door type locating part and the support structure that sets up, can make the department of bending at steel strand wires top bend the angle and can not be too little and appear deformation, can ensure that the steel strand wires bend to elastic deformation, reduce follow-up straightening to the steel strand wires and handle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a steel truss with a hydraulic overall lifting structure applied to a large steel truss;
FIG. 2 is a schematic view of a hydraulic integral lifting structure applied to a large steel truss;
FIG. 3 is a schematic structural view of a bracket structure applied to a hydraulic integral lifting structure of a large steel truss;
FIG. 4 is a schematic view of the structure of the out-of-plane stay bar and the upright post in the hydraulic integral lifting structure applied to the large steel truss;
fig. 5 is a schematic diagram of top view positions of a middle upright post, a rear pull rod, a lifting beam and an out-of-plane support rod applied to a large steel truss hydraulic integral lifting structure.
In the figure: 1. a hydraulic lifter; 2. steel strand; 3. a guide roller; 4. a first door-type limiting piece; 5. a guide strut; 6. a supporting rod; 7. a telescoping member; 8. a second door-type limiting piece; 9. a column; 10. a rear pull rod; 11. lifting the beam; 12. a diagonal web member; 13. a plane outer stay bar; 14. preassembling a section main truss; 15. and (5) lifting the tool.
Detailed Description
Referring to fig. 1-5, the utility model provides a hydraulic integral lifting structure applied to a large steel truss, which comprises a hydraulic lifter 1, steel strands 2 and a support structure, wherein the hydraulic lifter 1 is of a through-core structure, the steel strands 2 are penetrated in the middle, active anchors are arranged at two ends of the hydraulic lifter, the steel strands are clamped to lift upwards by utilizing the reverse motion self-locking property of wedge-shaped anchor sheets, TJJ-2000 and TJJ-3500 hydraulic lifters with rated lifting capacities of 200t and 350t are selected, and the TJJ-2000 hydraulic lifter selects steel strands with diameters of 15.20mm and breaking forces of about 26 t/root; the TJJ-3500 hydraulic lifter selects a steel strand with a diameter of 17.80mm and a breaking force of about 35 t/root. The configuration principle of the steel strand is regulated according to the heavy structure and equipment integral lifting technical specification.
The hydraulic lifter 1 is arranged on a bracket structure, and the bracket structure comprises an upright post 9, a rear pull rod 10, a lifting beam 11, a diagonal web member 12 and a plane outer support rod 13; the upright post 9 is vertically arranged, the rear pull rod 10 is obliquely arranged, the top end of the rear pull rod 10 is welded with one side of the top end of the upright post 9, one end of the lifting beam 11 is welded with the top of one side of the upright post 9 away from the rear pull rod 10, the lifting beam 11 is vertically arranged with the upright post 9, and two ends of the inclined web member 12 are respectively connected with the bottom of one side of the upright post 9 away from the rear pull rod 10 and the bottom of the lifting beam 11; the outer vaulting pole 13 slope in plane sets up, and the top of outer vaulting pole 13 in plane welds with one side of hoist beam 11, and hydraulic lifting ware 1 installs at the top of hoist beam 11, and the current groove has been seted up to the one end that hoist beam 11 kept away from stand 9, and steel strand wires 2 run through the current groove.
The steel strand 2 penetrates through the hydraulic lifter 1, and a guide strut 5 is arranged on the support structure; the guide roller 3 is rotatably arranged at the top of the guide strut 5 through a rotating shaft, the guide strut 5 is rotatably provided with the horizontally arranged guide roller 3, the top of the guide strut 5 is provided with a first door-shaped limiting part 4, the guide roller 3 and the first door-shaped limiting part 4 form an annular structure, and the steel strand wires 2 penetrate through the annular structure. The total height of the guide strut 5 is about 3.5 meters, and the guide strut is preferably deviated from the lifter by 0.4 meters, so that the steel strand 2 is ensured to be vertically guided out, and the guide frame moves smoothly.
A supporting structure is arranged on one side of the supporting piece far away from the hydraulic lifter 1, and is used for supporting the steel strand 2, and comprises a supporting rod 6; one end of the supporting rod 6 is connected with one side of the guide supporting rod 5 far away from the hydraulic lifter 1, the end part of the supporting rod 6 is rotationally connected with the side surface of the guide supporting rod 5, the guide supporting rod 5 is provided with a telescopic piece 7, the telescopic piece 7 can be a hydraulic rod, an electric push rod and other existing technologies, two ends of the telescopic piece 7 are rotationally arranged on the guide supporting rod 5 and the supporting rod 6 respectively, the telescopic piece 7 is used for driving the supporting rod 6 to rotate on the guide supporting rod 5, and one end of the supporting rod 6 far away from the guide supporting rod 5 is connected with a second door-type limiting piece 8; the second door-type limiting piece 8 and the end part of the supporting rod 6 form a limiting channel, and the steel strand 2 passes through the limiting channel.
The top of the steel strand 2 passes through the first door-shaped limiting part 4, the steel strand 2 is inclined towards one side far away from the preassembled section main truss 14, the top of the steel strand 2 passes through the second door-shaped limiting part 8, and the steel strand 2 is sagged and supported at the end part of the supporting rod 6 under the action of gravity, so that the bending angle of the steel strand 2 between the guide supporting rod 5 and the supporting rod 6 is not too small, the condition that local bending deformation of the steel strand 2 is avoided is ensured, the repeated use of the steel strand 2 is facilitated, and the straightening treatment is not needed. The first door-type limiting part 4 and the second door-type limiting part 8 have the limiting effect on the steel strand 2, and can limit the steel strand 2 from falling off from the guide bracket 5 and the supporting rod 6.
The hydraulic integral lifting structure for the large-scale steel truss further comprises TJV-60 hydraulic pump source systems (the number of the hydraulic pump source systems is selected according to the number of lifters and the counter force value of each lifting point, 2 TJV-60 hydraulic pump source systems are configured in total when lifting is carried out in a lifting area, each pump source controls 6 hydraulic lifters, the hydraulic pump sources are arranged at the 33.650m elevation position of a main building and are close to the lifters, the rated power of each hydraulic pump source is 60kW, three-level electric wires are required to be arranged in the 5m range of the pump source, 25mm2 five-core copper wires are required for wire feeding, the voltage is 380V), a YT-1 type computer synchronous control system, a lower lifting point is connected with the lifted structure, then a special lifting bottom anchor is connected with the hydraulic lifter for lifting, a steel stranded wire is connected with the lifting upper lifting point, lifting work of the structure is completed through repeated operation of the lifter (a temporary reinforcing rod is required to be arranged at the position of the corresponding lower lifting point, the section of the temporary reinforcing rod is required to be H550 x 22, the material is Q355, the reinforcing rod is required to be welded with the original structural rod and the like, the bridge is required to be arranged at the bridge section of the lifting point, and the bridge section is required to be arranged at the bridge section to be lifted, and the bridge section is required to be mounted to the bridge section to be lifted.
The lifting flow of the hydraulic integral lifting structure applied to the large steel truss is as follows:
step 1: the assembling structure is arranged on an assembling jig frame right below the truss structure, a reinforcing rod piece, a lifting lower lifting appliance 15 and a lifting bracket are arranged, and the preassembled section main truss is rigidly connected with a main building frame column; installing a hydraulic lifter 1, a steel strand 2 and a special lifting bottom anchor, connecting hydraulic oil pipes, arranging communication signal wires and other hydraulic lifting equipment facilities;
step 2: the hydraulic lifter 1, a hydraulic pump source and a hydraulic synchronous control system are integrally debugged; after confirming that the error is avoided, loading the whole body to the structure to be 100mm away from the ground, and staying for 12 hours for observation;
step 3: formally lifting, wherein the lifting relative height of each lifting point is measured at intervals of 3-5 m in the lifting period, and if single lifting point fine adjustment treatment is needed;
step 4: normally lifting, namely lifting the original structure to the vicinity of the original design position, and performing fine adjustment treatment on each lifting point; the lifting speed is slowed down, the original structure is lifted to the original design position, and whether the lifting height of each lifting point is consistent with the design state is retested;
step 5: after the lifting in place is confirmed, the main truss rod piece is welded in a butt joint way, the post-installation repair rod piece is installed, and the main welding seam is subjected to relevant detection;
step 6: the hydraulic lifter 1 is unloaded in a grading manner, structural loads are transferred stably, and steel strands, the hydraulic lifter 1 and temporary lifting measures are removed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. Be applied to large-scale steel truss hydraulic pressure integral hoisting structure, a serial communication port, including hydraulic lifter (1), steel strand wires (2) and supporting structure, hydraulic lifter (1) is installed on supporting structure, steel strand wires (2) run through hydraulic lifter (1), install support piece on the supporting structure, rotate on the support piece and install guide roll (3), install first door type locating part (4) on the support piece, guide roll (3) and first door type locating part (4) form a loop configuration, steel strand wires (2) pass loop configuration; and one side of the supporting piece, which is far away from the hydraulic lifter (1), is provided with a supporting structure, and the supporting structure is used for supporting the steel strand wires (2).
2. Hydraulic integral lifting structure applied to large steel trusses according to claim 1 characterized in that the support comprises guiding struts (5); the guide roller (3) is rotatably arranged at the top of the guide strut (5) through a rotating shaft.
3. Hydraulic integral lifting structure applied to large steel trusses according to claim 1, characterized in that the guiding rollers (3) are arranged horizontally.
4. Hydraulic integral lifting structure applied to large steel trusses according to claim 2 characterized in that the bracing structure comprises a bracing rod (6); one end of the supporting rod (6) is connected with one side of the guide supporting rod (5) far away from the hydraulic lifter (1).
5. The hydraulic integral lifting structure applied to the large steel truss according to claim 4, wherein the end part of the supporting rod (6) is rotatably connected with the side surface of the guide supporting rod (5), a driving structure is mounted on the guide supporting rod (5), and the driving structure is used for driving the supporting rod (6) to rotate on the guide supporting rod (5).
6. Hydraulic integral lifting structure applied to large steel trusses according to claim 5, characterized in that the driving structure includes a telescopic (7); the two ends of the telescopic piece (7) are respectively rotatably arranged on the guide support rod (5) and the support rod (6).
7. The hydraulic integral lifting structure applied to the large steel truss according to claim 4 is characterized in that one end of the supporting rod (6) far away from the guide supporting rod (5) is connected with a second door-shaped limiting piece (8); and the second door-type limiting part (8) and the end part of the supporting rod (6) form a limiting channel, and the steel strand (2) passes through the limiting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626346.7U CN219567490U (en) | 2023-03-27 | 2023-03-27 | Hydraulic integral lifting structure applied to large steel truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320626346.7U CN219567490U (en) | 2023-03-27 | 2023-03-27 | Hydraulic integral lifting structure applied to large steel truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219567490U true CN219567490U (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320626346.7U Active CN219567490U (en) | 2023-03-27 | 2023-03-27 | Hydraulic integral lifting structure applied to large steel truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219567490U (en) |
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2023
- 2023-03-27 CN CN202320626346.7U patent/CN219567490U/en active Active
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