CN210238291U - Main cable anchoring device of cable hoisting system - Google Patents
Main cable anchoring device of cable hoisting system Download PDFInfo
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- CN210238291U CN210238291U CN201920532727.2U CN201920532727U CN210238291U CN 210238291 U CN210238291 U CN 210238291U CN 201920532727 U CN201920532727 U CN 201920532727U CN 210238291 U CN210238291 U CN 210238291U
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- 238000004873 anchoring Methods 0.000 title claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000004804 winding Methods 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a main rope anchor of cable hoist and mount system belongs to bridge building engineering field. The anchor comprises a concrete ground anchor, is formed by pouring concrete in a ground anchor foundation pit, and is provided with a plurality of equidirectional oblique anchor cables and vertical anchor cables which penetrate through the concrete; the binding anchor beam is arranged on one end face of the concrete ground anchor corresponding to the oblique anchor cable and is fixed through a steel strand preset in the concrete ground anchor; a plurality of annular tensioning positions which are arranged side by side and used for winding and fixing the main cable are arranged on the binding anchor beam; and the positioning bracket is positioned below the binding anchor beam, is attached to the lower end surface of the binding anchor beam and is fixed on the concrete ground anchor. The utility model discloses can make full use of ground rock stratum, compare with traditional technology, the cost has been practiced thrift to the concrete volume that significantly reduces.
Description
Technical Field
The utility model relates to a bridge building engineering field, especially a main rope anchor of cable hoist and mount system.
Background
The cable hoisting system can span two banks, does not need to set up a bracket in water, does not occupy a river channel, and is more applied to arch bridge construction. The main cable of the cable hoisting system is a bearing rope, and needs to bear dead weight and a large heavy vertical load, so that the two anchoring ends of the main cable need strong ground anchors to resist uplift force and horizontal force, and meanwhile, the ground anchors need a certain device to lock the main cable.
Patent CN203699694U discloses a pre-stressed anchoring device for a bearing cable or a wind cable of a cable crane, where the anchoring device includes an anchor for being fixedly connected with a rock mass, and an anchoring beam fixed on the anchor; the bearing cable or the wind cable is buckled on the anchoring beam through a rope. However, the structural arrangement of the anchoring beam in the scheme cannot conveniently fix the main cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an above-mentioned problem, provide a main rope anchor of cable hoist and mount system, can make full use of ground rock stratum, compare with traditional handicraft, the concrete volume that significantly reduces has practiced thrift the cost.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a main cable anchoring device of a cable hoisting system comprises
The concrete ground anchor is formed by pouring concrete in a ground anchor foundation pit and is provided with a plurality of equidirectional oblique anchor cables and vertical anchor cables which penetrate through the concrete;
the binding anchor beam is arranged on the end face of the concrete ground anchor corresponding to the main cable and is in the same direction with the oblique anchor cable, and the binding anchor beam is fixed through a steel strand preset in the concrete ground anchor; a plurality of annular tensioning positions which are arranged side by side and used for winding and fixing the main cable are arranged on the binding anchor beam;
and the positioning bracket is positioned below the binding anchor beam and attached to the lower end surface of the binding anchor beam, and the positioning bracket is fixed on the concrete ground anchor.
According to the scheme, the binding anchor beam which is integrally cast is arranged, so that the size processing precision of the component can be improved, the residual stress and residual deformation caused by welding are avoided, and the reliability of the component is improved; and meanwhile, the binding anchor beam and the concrete anchor are fixed through a steel strand, and the concrete anchor is pre-tightened by an inclined anchor cable and a vertical anchor cable, so that the size of an excavated foundation pit and the concrete pouring amount can be effectively reduced.
Preferably, the binding anchor beam is integrally formed by pouring molten steel; limiting plates are arranged on two sides of the annular tensioning position. The limiting plate can provide spacing to the main rope, avoids the main rope working process to shift.
Preferably, the binding anchor beam comprises fixed sections and a tensioning section which are arranged at intervals along the length direction, the tensioning section is positioned between the two fixed sections, and the fixed sections are provided with through holes for the steel strands to penetrate through; the tensioning section is provided with the annular tensioning position. The fixed section is fixed with the concrete ground anchor, the tensioning section is wound with the main cable to limit the position, and the fixed section and the tensioning section are arranged at intervals to facilitate structural stability.
Preferably, the fixed section is of a cuboid structure, and annular ear plates are arranged at two ends of the fixed section along the length direction along the edges; the through hole penetrates through two ends of the length direction of the fixed segment. The ear plate can increase the contact of the fixing section to the end face of the concrete ground anchor, and can reduce unit contact stress.
Preferably, a hollow structure is arranged between the side wall of the fixing section and the through hole. This reduces the cost and weight of the tie-down anchor beam while improving its structural strength.
Preferably, one end of the steel strand, which is positioned in the concrete ground anchor, is sequentially provided with a spiral steel bar, a steel bar mesh and an anchorage device. The spiral steel bars, the steel bar mesh and the anchorage device can improve the pulling capacity of the steel strands to the concrete ground anchor, and can provide more stable fixation for binding the anchor beam.
Preferably, the distance between the center of the tensioning section and the ear plate is greater than the distance between the center of the fixing section and the ear plate. Therefore, the main cable can be conveniently penetrated and fixed, the height of the binding anchor beam is reduced, and the cost is reduced.
Preferably, the limiting plates comprise a first annular limiting plate and a second limiting plate, and the first annular limiting plate is arranged on one side of the tensioning section and attached to the fixed section; the second limiting plate is crescent and is arranged on one side, opposite to the first annular limiting plate, of the tensioning section, at least two second limiting plates are sequentially arranged at the upper end and the front end of the adjacent fixing section of the tensioning section, and the second limiting plate corresponds to the outer circumference contour of the first annular limiting plate. The second limiting plate only limits the upward side and the forward side of the annular tensioning position, and therefore the main cable is mainly convenient to install and adjust.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses anchor rope design make full use of ground stratum will do all can and finally transmit for the ground stratum, through ground stratum resistance to plucking, with conventional gravity type earth anchor, lean on earth anchor bottom frictional force and front end passive earth pressure to main cable power promptly and compare, the cost has been practiced thrift to the concrete volume that significantly reduces.
The binding anchor beam is poured by the liquid molten iron, so that the size processing precision of the component is improved, the residual stress and residual deformation caused by welding are avoided, and the reliability of the component is improved;
the utility model discloses this earth anchor device is less temporarily, is particularly suitable for the construction area who has strict restriction to the place size.
The utility model discloses well morals and manners, weak weathering rock stratum intensity are high, and anchoring force is good, and resistance to plucking ability is outstanding, from economic angle, and this earth anchor device is particularly suitable for using in the rock stratum more than morals and manners, weak weathering.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic perspective view of a binding anchor beam.
Fig. 4 is a schematic view of the structure of the spiral reinforcing bar, reinforcing mesh and anchorage device of the present invention.
In the attached drawing, 1-main rope, 2-steel wire rope clamp, 3-limit plate, 4-binding anchor beam, 5-concrete ground anchor, 6-steel strand, 7-first anchor, 8-first clamping piece, 9-second anchor, 10-second clamping piece, 11-spiral steel bar, 12-steel bar mesh, 13-fixing segment, 14-tension segment, 15-first annular limit plate and 16-second limit plate.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a main cable 1 anchoring device of a cable hoist system includes a concrete ground anchor 5, a binding anchor beam 4 and a positioning bracket. The concrete ground anchor 5 is formed by pouring concrete in a ground anchor foundation pit and is provided with a plurality of equidirectional oblique anchor cables and vertical anchor cables which penetrate through the concrete. Specifically, a foundation pit of the ground anchor is dug downwards from the selected anchoring place of the main cable 1, blasting is forbidden, and the condition that the rock stratum is loosened by shaking and the resistance of the foundation is influenced is prevented. The concrete ground anchor 5 is mainly positioned in a foundation pit and exposed out of the ground, and comprises an anchoring end face and a horizontal top face which face the bridge, wherein the anchoring end face is generally vertically arranged or obliquely arranged opposite to the direction of the bridge, and the anchoring end face mainly provides a proper anchoring pulling direction for the main rope 1.
In order to increase the stability, the ground and the binding force of the concrete ground anchor 5, a plurality of equidirectional oblique anchor cables penetrating through the concrete and vertical anchor cables which are positioned on the horizontal top surface and penetrate through the concrete and extend into the ground are arranged on the anchoring end surface; the oblique anchor cables and the vertical anchor cables are prestressed anchor cables, the oblique anchor cables are densely arranged, and the vertical anchor cables are arranged in two or more numbers, so that the stability between the concrete ground anchor 5 and the foundation pit is integrally improved, and a foundation is laid for anchoring the main cable 1.
Wherein, the binding anchor beam 4 is integrally cast. The binding anchor beam 4 is arranged on the end face, corresponding to the main cable 1, of the concrete ground anchor 5 and is in the same direction with the oblique anchor cable, and the binding anchor beam 4 is fixed through a steel strand 6 preset in the concrete ground anchor 5. The binding anchor beam 4 is provided with a plurality of annular tensioning positions which are arranged side by side and used for winding and fixing the main cable 1. One end of the main rope 1 bypasses the annular tensioning position, the main rope 1 is wound on the binding anchor beam 4, and the main rope 1 is locked by the steel wire rope clamp 2, so that strong anchoring force is provided for the main rope 1. The positioning bracket is arranged before the binding anchor beam 4 is installed, is positioned below the binding anchor beam 4 and is attached to the lower end surface of the binding anchor beam 4, and the positioning bracket is fixed on the concrete ground anchor 5. The positioning bracket provides positioning for the arrangement of the binding anchor beam 4, and simultaneously provides support in the vertical direction, and the binding anchor beam 4 is placed to receive tension in the vertical direction so as to be fixed and deformed.
The steel strand 6 penetrates through the binding anchor beam 4, the steel strand 6 sequentially passes through the first anchor 7 and the first clamping piece 8, specifically, the first clamping piece 8 is sleeved with the steel strand 6, and the first anchor 7 fixes the steel strand 6.
As shown in fig. 2, the annular tensioning position is a circular groove, the width of the groove can limit two main cables 1, and limiting plates 3 are arranged on two sides of the annular tensioning position. The limiting plate 3 can limit the main cable 1, and displacement of the main cable 1 in the working process is avoided.
As shown in fig. 1-2, the binding anchor beam 4 includes fixing sections 13 and tension sections 14 arranged at intervals along the length direction, the tension sections 14 are located between the two fixing sections 13, and the fixing sections 13 are provided with through holes for the steel strands 6 to pass through. The annular tensioning position is arranged on the tensioning section 14. The fixed section 13 is fixed with the concrete ground anchor 5, and the tension section 14 is wound with the main cable 1 for limiting, and the two sections are arranged at intervals for facilitating structural stability. The fixed section 13 is in a cuboid structure, and two ends of the fixed section along the length direction are provided with annular ear plates along the edges; the through holes penetrate through both ends of the fixing section 13 in the length direction. The ear plate can increase the contact of the fixing section 13 to the end face of the concrete ground anchor 5, and can reduce unit contact stress. And a hollow structure is arranged between the side wall of the fixed section 13 and the through hole. This reduces the cost and weight of the lashing anchor beam 4 while improving its structural strength. The distance between the center of the tension section 14 and the ear plate is larger than that between the center of the fixed section 13 and the ear plate. Thus, the main cable can be conveniently penetrated and fixed, the height of the binding anchor beam 4 is reduced, and the cost is reduced.
The limiting plates 3 comprise a first annular limiting plate 15 and a second annular limiting plate 16, and the first annular limiting plate 15 is arranged on one side of the tensioning section 14 and attached to the fixed section 13; the second limiting plate 16 is crescent and is arranged on one side of the tensioning section 14 opposite to the first annular limiting plate 15, at least two second limiting plates 16 are arranged and are sequentially arranged at the upper end and the front end of the adjacent fixing section 13 of the tensioning section 14, and the second limiting plate 16 corresponds to the outer circumference contour of the first annular limiting plate 15. The second limiting plate 16 only limits the upward side and the forward side of the annular tensioning position, so that the main rope 1 is mainly convenient to install and adjust.
As shown in fig. 1 and 3, the end of the steel strand 6 of the fixed binding anchor beam 4, which is positioned in the concrete ground anchor 5, is provided with a spiral steel bar 11, a steel bar mesh 12 and an anchorage device 7 in sequence. The spiral reinforcing steel bars 11, the reinforcing mesh 12 and the second anchorage devices 7 can improve the pulling capacity of the steel strands 6 on the concrete ground anchor 5, and can provide more stable fixation for binding the anchor beam 4. Here, the spiral steel bar 11 is spirally arranged, the size of the steel bar net 12 is consistent with the size of the excircle of the spiral steel bar 11, and the steel bar net 12 is arranged in multiple layers; the second anchorage device 7 is positioned at the tail part of the steel strand 6 and mainly plays a role in limiting the spiral steel bar 11 and the reinforcing mesh 12 and fixing the tail end of the steel strand 6; the second anchorage 7 and the spiral steel bar 11 are fixed with the steel strand 6 through a second clamping piece 10. The second anchorage device 7 is an OVM.M15A-8PT round P-shaped anchorage device.
According to the scheme, the binding anchor beam 4 which is integrally cast and formed is arranged, so that the size processing precision of the component can be improved, the residual stress and residual deformation caused by welding are avoided, and the reliability of the component is improved; and meanwhile, the binding anchor beam 4 and the concrete ground anchor 5 are fixed through the steel strand 6, the concrete ground anchor 5 is pre-tightened by the oblique anchor cable and the vertical anchor cable, and the size of an excavated foundation pit and the concrete pouring amount can be effectively reduced.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a main rope anchor of cable hoist and mount system which characterized in that: comprises that
The concrete ground anchor is formed by pouring concrete in a ground anchor foundation pit and is provided with a plurality of equidirectional oblique anchor cables and vertical anchor cables which penetrate through the concrete;
the binding anchor beam is arranged on the end face of the concrete ground anchor corresponding to the main cable and is in the same direction with the oblique anchor cable, and the binding anchor beam is fixed through a steel strand preset in the concrete ground anchor; a plurality of annular tensioning positions which are arranged side by side and used for winding and fixing the main cable are arranged on the binding anchor beam;
and the positioning bracket is positioned below the binding anchor beam and attached to the lower end surface of the binding anchor beam, and the positioning bracket is fixed on the concrete ground anchor.
2. A main cable anchoring device for cable hoist systems according to claim 1, characterized in that: the binding anchor beam is integrally formed by pouring molten steel; limiting plates are arranged on two sides of the binding anchor beam, which are positioned at the annular tensioning position.
3. A main cable anchoring device for cable hoist systems according to claim 2, characterized in that: the binding anchor beam comprises fixed sections and a tensioning section which are arranged at intervals along the length direction, the tensioning section is positioned between the two fixed sections, and the fixed sections are provided with through holes for the penetration of the steel strands; the tensioning section is provided with the annular tensioning position.
4. A main cable anchoring device for cable hoist systems according to claim 3, characterized in that: the fixing section is of a cuboid structure, and annular ear plates are arranged at two ends of the fixing section along the length direction along the edges; the through hole penetrates through two ends of the length direction of the fixed segment.
5. A main cable anchoring device for cable hoist systems according to claim 4, characterized in that: and a hollow structure is arranged between the side wall of the fixed section and the through hole.
6. A main cable anchoring device for cable hoist systems according to claim 1, characterized in that: and one end of the steel strand, which is positioned in the concrete ground anchor, is sequentially provided with a spiral steel bar, a steel bar mesh and an anchorage device.
7. A main cable anchoring device for cable hoist systems according to claim 3, characterized in that: the distance between the center of the tensioning section and the ear plate is greater than the distance between the center of the fixed section and the ear plate.
8. A main cable anchoring device for cable hoist systems according to claim 3, characterized in that: the limiting plates comprise a first annular limiting plate and a second annular limiting plate, and the first annular limiting plate is arranged on one side of the tensioning section and is attached to the fixed section; the second limiting plate is crescent and is arranged on one side, opposite to the first annular limiting plate, of the tensioning section, at least two second limiting plates are sequentially arranged at the upper end and the front end of the adjacent fixing section of the tensioning section, and the second limiting plate corresponds to the outer circumference contour of the first annular limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532727.2U CN210238291U (en) | 2019-04-18 | 2019-04-18 | Main cable anchoring device of cable hoisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532727.2U CN210238291U (en) | 2019-04-18 | 2019-04-18 | Main cable anchoring device of cable hoisting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210238291U true CN210238291U (en) | 2020-04-03 |
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ID=69967245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920532727.2U Expired - Fee Related CN210238291U (en) | 2019-04-18 | 2019-04-18 | Main cable anchoring device of cable hoisting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210238291U (en) |
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2019
- 2019-04-18 CN CN201920532727.2U patent/CN210238291U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 530200 No.21 Pingle Avenue, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 530011 Zhonghua Road 17, Xingning District, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |