CN210031518U - Cable-stayed bridge cable guide pipe installation positioning device - Google Patents
Cable-stayed bridge cable guide pipe installation positioning device Download PDFInfo
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- CN210031518U CN210031518U CN201920432240.7U CN201920432240U CN210031518U CN 210031518 U CN210031518 U CN 210031518U CN 201920432240 U CN201920432240 U CN 201920432240U CN 210031518 U CN210031518 U CN 210031518U
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Abstract
The utility model provides a cable-stay bridge cable pipe installation positioner belongs to the construction field. In order to solve the problem that wastes time and energy when being difficult to secondary adjustment and adjustment among the prior art cable pipe, the utility model discloses cable-stay bridge cable pipe installation positioner includes skeleton, anchor backing plate, a plurality of telescopic adjusting mechanism, angular adjustment mechanism and support frame. The anchor backing plate is connected with the framework and used for supporting and fixing the cable guide pipe; the angle adjusting mechanism is arranged at the bottom of the framework, is fixedly connected with the framework and is used for adjusting the angle of the framework relative to a horizontal plane; the plurality of telescopic adjusting mechanisms are arranged on the framework, positioned at the left end, the right end and the lower end of the anchor backing plate and used for clamping and fixing the anchor backing plate on the framework; the support frame is arranged at one end far away from the framework and used for supporting the cable guide pipe. The utility model discloses technical scheme has solved the difficult problem of on-the-spot installation cable pipe positioning accuracy, has realized operation labour saving and time saving to the secondary positioning of cable pipe.
Description
Technical Field
The utility model belongs to the building construction field, more specifically say, relate to a cable-stay bridge cable pipe installation positioner.
Background
The stay cable is a bearing system of a main girder of the cable-stayed bridge, the stay cable is led out by a cable guide pipe embedded in the reinforced concrete collar earth beam, and the installation and the accurate positioning of the cable guide pipe are one of key processes of the construction of the cable-stayed bridge and are also one of difficulties. In the subsequent construction after the cable guide pipe is installed, the constructions such as steel bar binding of a box girder top plate, installation of a prestressed pipeline and a prestressed steel beam can all influence the cable guide pipe, so that the cable guide pipe generates displacement, the cable guide pipe is heavy, the adjustment is time-consuming and labor-consuming, and the precision is difficult to guarantee. Meanwhile, once the allowable range is exceeded, the traditional construction process is difficult to implement secondary adjustment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable-stay bridge cable pipe installation positioner aims at solving among the prior art cable pipe and is difficult to the problem that wastes time and energy when secondary adjustment and adjustment.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a cable-stay bridge cable pipe installation positioner includes skeleton, anchor backing plate, a plurality of flexible guiding mechanism, angle guiding mechanism and support frame. The anchor backing plate is connected with the framework and used for supporting and fixing the cable guide pipe; the angle adjusting mechanism is arranged at the bottom of the framework, is fixedly connected with the framework and is used for adjusting the angle of the framework relative to a horizontal plane; the plurality of telescopic adjusting mechanisms are arranged on the framework, positioned at the left end, the right end and the lower end of the anchor backing plate and used for clamping and fixing the anchor backing plate on the framework; the support frame is arranged at one end far away from the framework and used for supporting the cable guide pipe.
Furthermore, the telescopic adjusting mechanism comprises a first nut and a bolt, and the first nut is fixedly connected to the framework; the bolt is in threaded connection with the first nut, and the end portion of the bolt abuts against the anchor backing plate.
Further, the angle adjusting mechanism comprises a second nut, a screw and a gasket, wherein the second nut is used for being installed at a preset construction position and has a degree of freedom of rotation around the axis of the second nut; the screw rod is in threaded connection with the second nut and is lifted by means of rotation of the second nut; the gasket is connected at the top of screw rod for the butt is in the bottom of skeleton.
Furthermore, a support used for fixing the first nut is further arranged on the framework.
Further, the first nut and the support are fixed in a welding mode.
Further, the end of the screw rod is welded and fixed with the gasket, and the gasket is hinged with the framework.
Furthermore, the anchor backing plate is provided with a mounting hole for mounting a cable guide pipe.
Furthermore, the cable-stayed bridge cable guide pipe installation positioning device further comprises a lifting mechanism, and the lifting mechanism is arranged on the support frame and used for supporting the cable guide pipe.
Furthermore, the lifting mechanism comprises a threaded sleeve, a screw rod and a support table, and the threaded sleeve is rotatably connected with the support frame; one end of the screw rod is in threaded connection with the threaded sleeve; the supporting table is fixedly welded with the other end of the screw rod, and a notch used for clamping the cable guide pipe is formed in the supporting table.
The utility model provides a cable-stay bridge cable pipe installation positioner's beneficial effect lies in: compared with the prior art, the cable-stayed bridge cable guide pipe mounting and positioning device of the utility model utilizes the extension and contraction of one end of the telescopic adjusting mechanism which is arranged on the framework and is positioned at the left end and the right end of the anchor backing plate to adjust the displacement of the anchor backing plate in the horizontal direction, and the extension of the telescopic adjusting mechanism which is arranged on the framework and is positioned at the lower end of the anchor backing plate to adjust the displacement of the anchor backing plate in the vertical direction; the angle adjusting mechanism is used for adjusting the angle of the framework relative to the horizontal plane. The utility model provides an installation cable pipe positioning accuracy's a difficult problem, realized the secondary location to cable pipe, operation labour saving and time saving.
Drawings
Fig. 1 is a perspective view of a cable-stayed bridge cable guide pipe installation positioning device provided by the embodiment of the invention;
fig. 2 is a schematic front view of a cable-stayed bridge cable guide installation positioning device provided by the embodiment of the present invention;
fig. 3 is a left side view structural schematic diagram of a cable-stayed bridge cable guide pipe installation positioning device provided by the embodiment of the invention;
FIG. 4 is an enlarged view of the part A shown in FIG. 3;
FIG. 5 is an enlarged view of the structure of the portion B shown in FIG. 1;
FIG. 6 is an enlarged view of the structure of the portion C shown in FIG. 2;
fig. 7 is a sectional view of the structure taken along line D-D in fig. 1.
In the figure: 1. a cable guide tube; 2. a framework; 21. a main frame; 22. reinforcing the frame; 211. a first angle steel; 212. a second angle steel; 3. an anchor backing plate; 31. mounting holes; 4. a support; 5. a telescopic adjustment mechanism; 51. a first nut; 52. a bolt; 6. an angle adjusting mechanism; 61. a gasket; 62. a screw; 63. a second nut; 7. a support frame; 8. a lifting mechanism; 811. a screw rod; 812. a threaded sleeve; 82. a support table; 83. a notch; 9. and a limiting frame.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2 and fig. 7, the cable guide installation positioning device for cable-stayed bridge according to the present invention will now be described. The cable-stayed bridge cable guide pipe installation positioning device comprises a framework 2, an anchor backing plate 3, a plurality of telescopic adjusting mechanisms 5, an angle adjusting mechanism 6 and a support frame 7. The anchor backing plate 3 is connected with the framework 2 and used for supporting and fixing the cable guide pipe 1; the angle adjusting mechanism 6 is arranged at the bottom of the framework 2, is fixedly connected with the framework 2 and is used for adjusting the angle of the framework 2 relative to a horizontal plane; the plurality of telescopic adjusting mechanisms 5 are arranged on the framework 2, are positioned at the left end, the right end and the lower end of the anchor backing plate 3 and are used for clamping and fixing the anchor backing plate 3 on the framework 2, the left end E, the right end opposite to the left end E and the lower end F are only in the directions illustrated in the figure 7, the left end and the right end are positioned in the horizontal direction, and the lower end is the end, which is relatively lower, of the anchor backing plate 3; the support frame 7 is arranged at one end far away from the framework 2 and is used for supporting the cable guide pipe 1.
Compared with the prior art, the cable-stayed bridge cable guide pipe installation positioning device provided by the utility model utilizes the extension and contraction of one end of the telescopic adjusting mechanism 5 which is installed on the framework 2 and is positioned at the left end and the right end of the anchor backing plate 3 to adjust the displacement of the horizontal direction of the anchor backing plate 3, and utilizes the extension and contraction of the telescopic adjusting mechanism 5 which is installed on the framework 2 and is positioned at the lower end of the anchor backing plate 3 to adjust the displacement of the vertical direction of the anchor backing plate 3; the angle adjusting mechanism 6 is used for adjusting the angle of the framework 2 relative to the horizontal plane. The utility model provides an installation cable pipe 1 positioning accuracy's a difficult problem, realized the secondary location to cable pipe 1, operation labour saving and time saving.
Referring to fig. 2 to 4, as an embodiment of the cable-stayed bridge cable guide installation positioning device according to the present invention, the telescopic adjustment mechanism 5 includes a first nut 51 and a bolt 52. The first nut 51 is fixedly connected to the framework 2; the bolt 52 is screwed to the first nut 51 and has an end abutting against the anchor backing plate 3. The accurate positioning of the cable guide pipe 1 in the horizontal and vertical directions can be realized, meanwhile, due to the limiting effect of the bolts 52 on the anchor backing plate 3, the influence of the adjustment of the mounting holes 31 on the anchor backing plate 3 is avoided, and the operation is time-saving and labor-saving.
Referring to fig. 1 and 5, as an embodiment of the cable-stayed bridge cable guide installation positioning device provided by the present invention, the angle adjusting mechanism 6 includes a second nut 63, a screw 62 and a gasket 61. The second nut 63 is used for being installed at a preset construction position and has a degree of freedom of rotation around an axis thereof; the screw 62 is in threaded connection with the second nut 63 and is lifted and lowered by the rotation of the second nut 63; a washer 61 is attached to the top of the screw 62 for abutting against the bottom of the frame 2. The angle between the framework 2 and the horizontal plane is adjusted through the lifting of the second nut 63, so that the angle between the cable guide pipe 1 and the horizontal plane is adjusted, the structure is simple, and the adjustment is convenient.
Referring to fig. 4 and 7, as a specific embodiment of the cable-stayed bridge cable guide installation positioning device provided by the present invention, a support 4 for fixing the first nut 51 is further disposed on the framework 2. The area of the framework 2 occupied by the support 4 is avoided, and sufficient space is provided for the installation of the anchor backing plate 3.
Referring to fig. 4, as the utility model provides a cable-stayed bridge cable pipe installation positioner's a specific implementation, first nut 51 and support 4 welded fastening guarantee the intensity that first nut 51 and support 4 are connected.
Referring to fig. 5, as a specific embodiment of the cable-stayed bridge cable guide installation positioning device provided by the present invention, the end of the screw 62 is welded and fixed to the gasket 61, and the gasket 61 is hinged to the framework 2. Further ensuring the flexibility of the angle adjusting mechanism 6 during adjustment.
Referring to fig. 7, as a specific embodiment of the cable guide pipe installation positioning device for a cable-stayed bridge according to the present invention, the anchor backing plate 3 is provided with a mounting hole 31 for mounting the cable guide pipe 1. During installation, the precision of the anchor backing plate 3 and the pipe orifice of the cable guide pipe 1 is controlled within 20mm, and the installation precision is ensured.
Referring to fig. 2 and 6, as a specific embodiment of the cable-stayed bridge cable guide pipe installation positioning device provided by the present invention, the cable-stayed bridge cable guide pipe installation positioning device further includes an elevating mechanism 8, and the elevating mechanism 8 is disposed on the support frame 7 for supporting the cable guide pipe 1. The lifting mechanism 8 is matched with the angle adjusting mechanism 6 to adjust the angle of the cable guide pipe 1 relative to the horizontal plane, and time and labor are saved during operation.
Referring to fig. 6, as a specific embodiment of the cable-stayed bridge cable conduit installation positioning device provided by the present invention, the lifting mechanism 8 includes a screw 811, a threaded sleeve 812 and a support platform 82. The threaded sleeve 812 is rotatably connected with the support frame 7; one end of the screw mandrel 811 is in threaded connection with the threaded sleeve 812; the support platform 82 is welded and fixed with the other end of the screw rod 811, and a notch 83 for clamping the cable guide pipe 1 is arranged on the support platform 82. The lifting of the cable guide tube 1 is adjusted by the lifting of the threaded sleeve 812 relative to the lead screw 811; the support platform 82 is clamped with the outer surface of the cable guide pipe 1 to provide buffer for the lifting of the cable guide pipe 1.
Referring to fig. 3 and 7, as a specific embodiment of the cable-stayed bridge cable guide installation positioning device provided by the present invention, the framework 2 includes a main frame 21 and a reinforcing frame 22, and the reinforcing frame 22 is welded and fixed to the main frame 21 in a center-aligned manner, so as to ensure the stability of the stress of the framework 2. The main frame 21 and the reinforcing frame 22 are made of angle steel, the main frame 21 is formed by welding two first angle steels 211 and two second angle steels 212 into a rectangle, the reinforcing frame 22 is formed by welding four second angle steels 212 into a square, the first angle steel 211 is 1.8m long, the second angle steel 212 is 0.6m long, the angle steel is a common material, the price is low, and the manufacturing cost is low.
Please refer to fig. 1, as a specific embodiment of the cable-stayed bridge cable guide pipe installation positioning device provided by the present invention, a limiting frame 9 is further welded at one end of the support frame 7 close to the cable guide pipe 1 for further limiting the positioning of the cable guide pipe 1, so as to avoid the cable guide pipe 1 from moving laterally along the support frame 7 during the installation or secondary adjustment process, thereby ensuring the installation accuracy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a cable-stay bridge cable pipe installation positioner which characterized in that includes:
a framework;
the anchor backing plate is connected with the framework and used for supporting and fixing the cable guide pipe;
the angle adjusting mechanism is arranged at the bottom of the framework, is fixedly connected with the framework and is used for adjusting the angle of the framework relative to a horizontal plane;
the telescopic adjusting mechanisms are arranged on the framework, positioned at the left end, the right end and the lower end of the anchor backing plate and used for clamping and fixing the anchor backing plate on the framework; and
the support frame is arranged at one end far away from the framework and used for supporting the cable guide pipe.
2. The cable-stayed bridge cable duct installation and positioning device of claim 1, wherein the telescopic adjusting mechanism comprises:
the first nut is fixedly connected to the framework; and
and the bolt is in threaded connection with the first nut, and the end part of the bolt is abutted against the anchor backing plate.
3. The cable-stayed bridge cable duct installation and positioning device according to claim 1, wherein the angle adjusting mechanism comprises:
the second nut is used for being installed at a preset construction position and has the freedom degree of rotating around the axis of the second nut;
the screw rod is in threaded connection with the second nut and is lifted by means of rotation of the second nut; and
and the gasket is connected to the top of the screw rod and used for abutting against the bottom of the framework.
4. The cable-stayed bridge cable guide pipe installation and positioning device as claimed in claim 2, wherein: and the framework is also provided with a support for fixing the first nut.
5. The cable-stayed bridge cable guide pipe installation and positioning device as claimed in claim 4, wherein: the first nut is welded and fixed with the support.
6. The cable-stayed bridge cable guide pipe installation and positioning device as claimed in claim 3, wherein: the end part of the screw rod is fixedly welded with the gasket, and the gasket is hinged with the framework.
7. The cable-stayed bridge cable guide pipe installation and positioning device as set forth in any one of claims 1 to 6, wherein: and the anchor backing plate is provided with a mounting hole for mounting a cable guide pipe.
8. The cable-stayed bridge cable duct installation and positioning device of claim 1, wherein the cable-stayed bridge cable duct installation and positioning device further comprises:
and the lifting mechanism is arranged on the support frame and is used for supporting the cable guide pipe.
9. The cable-stayed bridge cable duct installation and positioning device according to claim 8, wherein the lifting mechanism comprises:
the threaded sleeve is rotatably connected with the support frame;
one end of the screw rod is in threaded connection with the threaded sleeve; and
and the support table is fixedly welded with the other end of the screw rod, and a notch for clamping the cable guide pipe is formed in the support table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432240.7U CN210031518U (en) | 2019-04-01 | 2019-04-01 | Cable-stayed bridge cable guide pipe installation positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432240.7U CN210031518U (en) | 2019-04-01 | 2019-04-01 | Cable-stayed bridge cable guide pipe installation positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN210031518U true CN210031518U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920432240.7U Active CN210031518U (en) | 2019-04-01 | 2019-04-01 | Cable-stayed bridge cable guide pipe installation positioning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609576A (en) * | 2020-11-19 | 2021-04-06 | 中铁二局集团有限公司 | Method and device for positioning and installing spatial attitude of stay cable guide pipe |
| CN113897867A (en) * | 2021-10-12 | 2022-01-07 | 张成瑞 | Method for quickly installing main beam cable guide pipe of short-tower cable-stayed bridge with adjustable precision |
| CN114134814A (en) * | 2021-11-16 | 2022-03-04 | 中铁广州工程局集团有限公司 | Construction method for accurately positioning anchor backing plate and embedded steel pipe |
-
2019
- 2019-04-01 CN CN201920432240.7U patent/CN210031518U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609576A (en) * | 2020-11-19 | 2021-04-06 | 中铁二局集团有限公司 | Method and device for positioning and installing spatial attitude of stay cable guide pipe |
| CN113897867A (en) * | 2021-10-12 | 2022-01-07 | 张成瑞 | Method for quickly installing main beam cable guide pipe of short-tower cable-stayed bridge with adjustable precision |
| CN114134814A (en) * | 2021-11-16 | 2022-03-04 | 中铁广州工程局集团有限公司 | Construction method for accurately positioning anchor backing plate and embedded steel pipe |
| CN114134814B (en) * | 2021-11-16 | 2023-12-22 | 中铁广州工程局集团有限公司 | Accurate positioning construction method for anchor backing plate and embedded steel pipe |
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