CN215859158U - Prestress tensioning suspension tool for wind power tower - Google Patents
Prestress tensioning suspension tool for wind power tower Download PDFInfo
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- CN215859158U CN215859158U CN202121815703.1U CN202121815703U CN215859158U CN 215859158 U CN215859158 U CN 215859158U CN 202121815703 U CN202121815703 U CN 202121815703U CN 215859158 U CN215859158 U CN 215859158U
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Abstract
The utility model discloses a prestressed tensioning suspension tool for a wind power tower, which comprises a bearing tool body, a prestressed structure for connecting steel strands and a tensioning jack, wherein the steel strands penetrate through the tool body and the tensioning jack, the tool body comprises a fixed anchor assembly and a locking anchor assembly, the fixed anchor assembly is arranged on the prestressed structure, the locking anchor assembly is arranged on the fixed anchor assembly, the tensioning jack is arranged above the locking anchor assembly, the fixed anchor assembly comprises a lower support plate, a working anchor clamping piece and a suspension tool support frame II, the locking anchor assembly comprises a tool anchor, a tool anchor clamping piece, a suspension tool support frame I and an upper support plate, the suspension tool support plate is arranged between the suspension tool support frame II and the suspension tool support frame I, and the suspension tool support frame can be operated conveniently by adopting the suspension tool support frame, the manpower is saved, and the security performance is high.
Description
Technical Field
The utility model belongs to the technical field of wind power tower mounting tools, and particularly relates to a wind power tower prestress tensioning suspension tool.
Background
With the development of wind turbine technology, in order to obtain larger wind power production capacity, the trend of wind power development is to increase the unit capacity and increase the hub height, so that the steel structure type hybrid tower can meet the requirement of the hub height of a large-scale wind turbine, and gradually replaces the traditional steel conical tower to pay attention to the wind power field.
Steel structure formula hybrid pylon passes through the prestressing force steel strand wires and links to each other, guarantee that high tower section of thick bamboo structure has better mechanical properties, because the steel strand wires of framework formula prestressing force anti-fatigue steel pipe wind power generation tower are longer, prestressing force steel strand wires need stretch-draw many times just can reach the pulling force that requires on the design drawing, current frock need carry out position adjustment to work anchor slab and work anchor splint after stretch-draw at every turn, and the screw thread damage of work anchor clamping piece is serious after locking at every turn, if the circumstances that work clamping piece locking is not tight can appear in many cycles, in addition, work anchor clamping piece damages easily, it is troublesome to change, waste time and energy and the replacement cost is high, prestressing force steel strand wires take off the anchor and have the potential safety hazard, damage the work anchor clamping piece that drops and bring the potential safety hazard for the stability of pylon structure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problems in the prior art, the utility model aims to provide a prestress tensioning suspension tool for a wind power tower, which is simple and convenient to operate and high in safety.
The utility model provides a prestress tensioning suspension tool for a wind power tower, which comprises a bearing tool body, a prestress structure for connecting steel strands and a tensioning jack, wherein the steel strands penetrate through the tool body and the tensioning jack, the tool body comprises a fixed anchor assembly and a locking anchor assembly, the fixed anchor assembly is arranged on the prestress structure, the locking anchor assembly is arranged on the fixed anchor assembly, the tensioning jack is arranged above the locking anchor assembly, the fixed anchor assembly comprises a lower supporting plate, a working anchor clamping plate and a suspension tool supporting frame II, the locking anchor assembly comprises a tool anchor, a tool anchor clamping plate, a suspension tool supporting frame I and an upper supporting plate, and the suspension tool supporting plate is arranged between the suspension tool supporting frame II and the suspension tool supporting frame I.
The suspension tool supporting plate is fixed to the top of the suspension tool supporting frame II, and the suspension tool supporting frame I is fixedly connected with the tool anchorage device and the suspension tool supporting plate through bolts.
The bottom of suspension frock support frame II is located to the backup pad, the work anchor is installed in the backup pad, work anchor clamping piece is installed in the work anchor and is contacted with the steel strand wires.
Further, the outside of the work anchor is cylindrical, the inside of the work anchor is provided with a work anchor clamping piece mounting hole which is in a shape of a big-end-up cone, the lower part of the work anchor clamping piece mounting hole is in contact with the steel strand, the work anchor clamping piece is mounted in the work anchor clamping piece mounting hole, the inside of the work anchor clamping piece is a cylindrical through hole, the outside shape of the work anchor clamping piece mounting hole is matched with that of the work anchor clamping piece mounting hole, the diameter size of the upper part of the work anchor clamping piece mounting hole is not smaller than the maximum diameter size of the work anchor clamping piece mounting hole, namely, the work anchor clamping piece cannot be completely mounted in the work anchor clamping piece mounting hole, and part of the upper part of the work anchor clamping piece is exposed outside the hole.
The tool anchor is arranged at the bottom end inside the suspension tool supporting frame I, and the tool anchor clamping piece is arranged in the tool anchor and is in contact with the steel strand.
Further, instrument ground tackle outside is cylindricly, and inside is equipped with big end down coniform instrument anchor clamping piece mounting hole, and instrument anchor clamping piece mounting hole lower part contact steel strand wires, instrument anchor clamping piece is installed in instrument anchor clamping piece mounting hole, and instrument anchor clamping piece is inside to be cylindric through-hole, and the external shape is coincide with instrument anchor clamping piece mounting hole, and upper portion diameter size is not less than instrument anchor clamping piece mounting hole maximum diameter size, and instrument anchor clamping piece can not install completely in instrument anchor clamping piece mounting hole promptly, and upper portion has the part to expose outside the hole.
The top of the suspension tool support frame I is fixedly connected with an upper support plate through a bolt.
The prestress tensioning and suspending tool for the wind power tower provided by the utility model has the beneficial effects that the technical problems of multiple tensioning and jack reversing of a feed-through prestress jack are solved, the possibility of damage of an anchor clamping piece is avoided, the damage of a thread of the working anchor clamping piece is avoided, the cost is reduced, the working anchor clamping piece is complete because the working anchor clamping piece cannot be completely installed in a mounting hole of the working anchor clamping piece, the structural prestress safety grade is high, the phenomenon that a prestress steel strand is separated from an anchor to hurt people is avoided, the tool anchor can be repeatedly utilized, the material cost is saved, the operation of a supporting frame of the suspending tool is convenient, the labor is saved, and the safety performance is high.
Drawings
FIG. 1 is a schematic overall structure of one embodiment of the present invention;
the figure is marked with:
1. a pre-stressed structure; 2. a working anchor; 3. a working anchor clamping piece; 4. a suspension tool support frame II; 5. a suspension tool supporting plate; 6. a tool anchorage; 7. a tool anchor clip; 8. a suspension tool support frame I; 9. tensioning a jack; 10. steel strand wires; 11. an upper support plate; 12. and a lower support plate.
Detailed Description
The utility model provides a prestressed tensioning suspension fixture for a wind power tower, which is described in detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1, the prestressed tensioning suspension fixture for the wind power tower of the embodiment comprises a bearing fixture body, a prestressed structure 1 for connecting steel strands 10 and a tensioning jack 9, the steel strand 10 penetrates through the tool body and the tensioning jack 9, the tool body comprises a fixed anchorage assembly and a locking anchorage assembly, the fixed anchorage assembly is arranged on the prestressed structure 1, the locking anchorage assembly is arranged on the fixed anchorage assembly, the tensioning jack 9 is arranged above the locking anchor assembly, the fixing anchor assembly comprises a lower support plate 12, a working anchor 2, a working anchor clamping piece 3 and a suspension tool support frame II4, the locking anchorage assembly comprises a tool anchorage 6, a tool anchorage clamping piece 7, a suspension tool supporting frame I8 and an upper supporting plate 11, and a suspension tool supporting plate 5 is arranged between the suspension tool supporting frame II4 and the suspension tool supporting frame I8.
Suspension frock support plate is fixed at suspension frock support frame II4 top, suspension frock support frame I8 passes through bolt fixed connection instrument ground tackle 6 and suspension frock support plate 5.
The bottom support plate 12 is arranged at the bottom of the suspension tool support frame II4, the working anchor 2 is arranged in the bottom support plate 12, and the working anchor clamping piece 3 is arranged in the working anchor 2 and is in contact with the steel strand 10.
Further, work ground tackle 2 outside is cylindricly, and inside is equipped with big-end-up's little coniform work anchor clamping piece mounting hole, and work anchor clamping piece mounting hole lower part contact steel strand wires 10, work anchor clamping piece 3 is installed in work anchor clamping piece mounting hole, and work anchor clamping piece 3 is inside to be cylindric through-hole, and the external shape is identical with work anchor clamping piece mounting hole, and upper portion diameter size is not less than the biggest diameter size of work anchor clamping piece mounting hole, and work anchor clamping piece 3 can not install completely in work anchor clamping piece mounting hole promptly, and upper portion has the part to expose outside the hole.
The tool anchor 6 is arranged at the bottom end inside the suspension tool support frame I8, and the tool anchor clamping piece 7 is arranged in the tool anchor 6 and is in contact with the steel strand 10.
Further, 6 outsides of instrument ground tackle are cylindricly, and inside is equipped with big end down coniform instrument anchor clamping piece mounting hole, and instrument anchor clamping piece mounting hole lower part contact steel strand wires 10, instrument anchor clamping piece 7 is installed in instrument anchor clamping piece mounting hole, and instrument anchor clamping piece 7 is inside to be cylindric through-hole, and the external shape is identical with instrument anchor clamping piece mounting hole, and upper portion diameter size is not less than instrument anchor clamping piece mounting hole maximum diameter size, and instrument anchor clamping piece 7 can not install completely in instrument anchor clamping piece mounting hole promptly, and upper portion has the part to expose outside the hole.
The top of the suspension tool support frame I8 is fixedly connected with an upper support plate through a bolt.
By adopting the suspension tool, during work, the work anchor clamping piece on the lower side is not installed in the work anchor clamping piece installation hole firstly, the lower end of the work anchor clamping piece is fastened firstly and fixed on the steel strand corresponding to the upper part of the work anchor clamping piece installation hole, and the work anchor clamping piece is prevented from sliding down to the bottom of the work anchor clamping piece installation hole along with the steel strand during the first and second tensioning return strokes.
And the tool anchor clamping piece is locked through the tool anchor clamping piece after the steel strand is tensioned, the tool anchor clamping piece pulled out along with the steel strand is adjusted again in the pressure maintaining process after the steel strand is tensioned again, the tool anchor clamping piece is installed in a tool anchor clamping piece installation hole in the tool anchor again, the tool anchor clamping piece is installed smoothly and tightly, and the tool anchor clamping piece are used in a circulating tensioning mode.
And (3) stretching the steel strand and the like for the last time, and flatly installing the working anchor clamping piece in the mounting hole of the working anchor clamping piece when the designed stretching force is reached, so that the aim of anchoring the prestressed steel strand is achieved, and the working anchor clamping piece is not possibly damaged.
When the steel strand is prestressed and tensioned to the designed tension for the last time, the tool anchor clamping piece is required to be placed at a high level, the working anchor clamping piece is tensioned for the first time and the last time, the working anchor clamping piece enters a working state, and the tool anchor clamping piece is not pulled into the clamping piece mounting hole and can be used repeatedly.
Claims (7)
1. The utility model provides a be used for wind power tower prestressing force stretch-draw suspension frock, is including bearing the prestressed structure and the stretch-draw jack of frock body, connection steel strand wires, the steel strand wires run through frock body and stretch-draw jack, its characterized in that: the tool body comprises a fixed anchor assembly and a locking anchor assembly, the fixed anchor assembly is arranged on a prestressed structure, the locking anchor assembly is arranged on the fixed anchor assembly, the tensioning jack is arranged above the locking anchor assembly, the fixed anchor assembly comprises a lower support plate, a working anchor clamping piece and a suspension tool support frame II, the locking anchor assembly comprises a tool anchor, a tool anchor clamping piece, a suspension tool support frame I and an upper support plate, and a suspension tool support plate is arranged between the suspension tool support frame II and the suspension tool support frame II.
2. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 1, wherein: the suspension tool supporting plate is fixed to the top of the suspension tool supporting frame II, and the suspension tool supporting frame I is fixedly connected with the tool anchorage device and the suspension tool supporting plate through bolts.
3. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 1, wherein: the bottom of suspension frock support frame II is located to the backup pad, the work anchor is installed in the backup pad, work anchor clamping piece is installed in the work anchor and is contacted with the steel strand wires.
4. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 3, wherein: the working anchor device is cylindrical in outside, conical working anchor clamping piece mounting holes are formed in the working anchor device, and the working anchor clamping pieces are mounted in the working anchor clamping piece mounting holes.
5. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 1, wherein: the tool anchor is arranged at the bottom end inside the suspension tool supporting frame I, and the tool anchor clamping piece is arranged in the tool anchor and is in contact with the steel strand.
6. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 5, wherein: the tool anchor is cylindrical outside, and conical tool anchor clamping piece mounting holes are formed in the tool anchor, and the tool anchor clamping pieces are mounted in the tool anchor clamping piece mounting holes.
7. The pre-stressed tension suspension tool for the wind power tower as claimed in claim 1, wherein: the top of the suspension tool support frame I is fixedly connected with an upper support plate through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815703.1U CN215859158U (en) | 2021-08-05 | 2021-08-05 | Prestress tensioning suspension tool for wind power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815703.1U CN215859158U (en) | 2021-08-05 | 2021-08-05 | Prestress tensioning suspension tool for wind power tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215859158U true CN215859158U (en) | 2022-02-18 |
Family
ID=80330119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121815703.1U Active CN215859158U (en) | 2021-08-05 | 2021-08-05 | Prestress tensioning suspension tool for wind power tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215859158U (en) |
-
2021
- 2021-08-05 CN CN202121815703.1U patent/CN215859158U/en active Active
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