CN214573342U - Inhaul cable opposite-pulling system for providing arch rib lateral rotation - Google Patents
Inhaul cable opposite-pulling system for providing arch rib lateral rotation Download PDFInfo
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- CN214573342U CN214573342U CN202120384108.0U CN202120384108U CN214573342U CN 214573342 U CN214573342 U CN 214573342U CN 202120384108 U CN202120384108 U CN 202120384108U CN 214573342 U CN214573342 U CN 214573342U
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Abstract
The utility model relates to a cable that provides arch rib side is changeed is to system of drawing, including two arch ribs, to drawing cable, continuous tensioning device, cable steering device, to drawing the cable suspension draw between two arch ribs and both ends all walk around behind the homonymy cable steering device with install the continuous tensioning device on the arch rib and be connected and carry out the stretch-draw. The required counter-pulling guy cable, the continuous tensioning device and the cable steering device can be repeatedly used, so that the problems that equipment cannot be repeatedly utilized and the high cost of building a temporary anchorage is high are avoided, and great economic benefits are achieved.
Description
Technical Field
The utility model relates to a cable that provides arch rib sideslip is to drawing system.
Background
The construction of the arch bridge lateral opposite-pulling rotating body has better application prospect as a novel bridge construction process. In the traditional vertical swivel construction, the continuous tensioning jacks are anchored on concrete anchors on two banks, and continuous tensioning of the stay cable is completed by operating the continuous tensioning jacks, so that the vertical rotation of the arch rib is realized. The stay cable basically keeps parallel to the plane of the arch rib in the vertical rotation process of the arch rib so as to achieve a better force transmission effect.
In the novel lateral opposite-pulling rotation construction, two arch ribs need to complete lateral rotation, and the stay cable achieves the best stress under the condition of being perpendicular to the web plates of the arch ribs. If the continuous tensioning device is anchored on two banks through the traditional concrete anchor, the inclination angle of the guy cable and the arch rib can be continuously reduced in the continuous tensioning process until force can not be transferred. If the continuous tensioning jack is anchored on the temporary support or the concrete platform between the two arch ribs, not only the construction process is increased, but also the navigation or urban traffic under the bridge is influenced. Therefore, in the construction of the arch rib lateral counter-pulling swivel, how to arrange the continuous counter-pulling device is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the technical problem to be solved of the utility model is to provide a cable counter-pulling system that provides arch rib sideslip.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a cable counter-pulling system that provides arch rib side is changeed, includes two arch ribs, counter-pulling cable, continuous tensioning equipment, cable steering device, and the counter-pulling cable hangs between two arch ribs and both ends are connected with the continuous tensioning equipment of installing on the arch rib behind the same side cable steering device and are stretched tension.
Preferably, the continuous tensioning means are both located on the outside of the rib.
Preferably, the arch rib is box-shaped rib, and the inside of arch rib all runs through to be used for the tubular sleeve that the opposite pull cable passed, and both ends all are fixed with the left and right sides of arch rib about the tubular sleeve, and the internal perisporium of arch rib all is equipped with a plurality of floor and the diaphragm of perpendicular to floor, and tubular sleeve all passes through the diaphragm.
Preferably, the continuous tensioning devices comprise shells fixedly connected with the arch ribs, the continuous tensioning jacks are fixedly connected inside the shells, two serially-connected penetrating jacks are arranged in the continuous tensioning jacks, anchoring clamping pieces are arranged on pistons of the penetrating jacks, the counter-pulling cables enter the continuous tensioning devices through the cable steering devices and the tubular sleeves, and the counter-pulling cables are anchored through the two serially-connected penetrating jacks and the clamping pieces on the pistons of the penetrating jacks and extend out of the other end of the continuous tensioning devices.
Preferably, the continuous tensioning means are located internally of the rib.
Preferably, the arch rib is a box-shaped rib, the inner peripheral wall of the arch rib is provided with a plurality of rib plates and transverse partition plates perpendicular to the rib plates, the inner part of the arch rib is fixedly provided with a guy cable stretching anchor end, the guy cable stretching anchor end is provided with through holes for the guy cable to pass through, and the through holes are communicated with the outer part of the arch rib on the side of the cable steering device.
Preferably, the continuous tensioning device comprises a shell fixedly connected with a tensioning anchor end of the inhaul cable, the shell is internally and fixedly connected with the continuous tensioning jack, the continuous tensioning jack is internally provided with two serially-connected penetrating jacks and an anchoring clamping piece on a piston of the penetrating jack, the opposite-pulling inhaul cable enters the continuous tensioning device through the cable steering device and the through hole, and the opposite-pulling inhaul cable extends out of the other end of the continuous tensioning device through the two serially-connected penetrating jacks and the clamping piece on the piston of the penetrating jack.
Preferably, the cable diverting means are located inside the rib.
Preferably, the cable steering device consists of two parallel arched steel plates, a rectangular steel plate base and fixed pulleys, the two parallel arched steel plates are welded on the rectangular steel plate base in a vertical mode, a wheel shaft is welded between the two parallel arched steel plates, the fixed pulleys are installed on the wheel shaft, a plurality of bolt holes are formed in the rectangular steel plate base, the rectangular steel plate base is anchored on a web plate of an arch rib through bolt connection, and a counter-pull cable bypasses wheel grooves of the fixed pulleys on the same side; the upper wheel rim of the fixed pulley is always positioned at the middle shaft of the continuous tensioning device.
Compared with the prior art, the utility model discloses following beneficial effect has: the counter-pulling cable, the continuous tensioning device and the cable steering device are directly installed on the two arch ribs, the continuous tensioning device is operated to realize continuous tensioning, the arch ribs are laterally rotated to the designed positions, the required counter-pulling cable, the continuous tensioning device and the cable steering device can be repeatedly used, the problems that equipment cannot be repeatedly utilized and the high cost of building temporary anchorages is high are solved, and great economic benefits are achieved.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic diagram of a tensioning process in embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a tensioning process according to embodiment 1 of the present invention.
Fig. 3 is a schematic diagram of a third stretching process in embodiment 1 of the present invention.
Fig. 4 is a first schematic view of a single-side arch rib opposite-pulling system according to embodiment 1 of the present invention.
Fig. 5 is a schematic view of a single-side arch rib opposite-pulling system according to embodiment 1 of the present invention.
Fig. 6 is a first schematic view of a single-side arch rib opposite-pulling system according to embodiment 2 of the present invention.
Fig. 7 is a schematic view of a single-side arch rib opposite-pulling system according to embodiment 2 of the present invention.
Fig. 8 is a schematic view of the construction of the continuous tensioning device.
Fig. 9 is a schematic view of the construction of the cable steering device.
FIG. 10 is a schematic view of the configuration of the tension anchor end of the cable.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 10, embodiment 1 provides a guy cable counter-pulling system for providing lateral rotation of an arch rib, which includes two arch ribs 1, a counter-pulling guy cable 2, a continuous tensioning device 3, and a cable steering device 4, wherein the counter-pulling guy cable is suspended between the two arch ribs, and both ends of the counter-pulling guy cable are connected with the continuous tensioning device installed on the arch rib for tensioning after bypassing the same side cable steering device; the upper wheel rim of the fixed pulley of the cable steering device is always positioned at the middle shaft of the continuous tensioning device, so that the counter-pulling cable is perpendicular to the end plane of the continuous tensioning device, and the arch rib is laterally deflected to a designed position through the continuous tensioning device.
In embodiment 1 of the present invention, the cable steering device is located inside the arch rib.
The embodiment of the utility model provides an in 1, the cable turns to the device and comprises two parallel arch shaped steel sheet 5, rectangle steel sheet base 6 and fixed pulley 7, and two parallel arch shaped steel sheet weld immediately on rectangle steel sheet base, welds a shaft 8 between two parallel arch shaped steel sheet to at the epaxial fixed pulley of installation of wheel, make a plurality of bolt holes on the rectangle steel sheet base, through the bolt 9 connection with rectangle steel sheet base anchor on the web 10 of arch rib, walk around the race of homonymy fixed pulley to the guy cable that draws.
In embodiment 1 of the present invention, the tubular sleeve is a circular steel pipe. The counter-pulling guy cable adopts a steel strand, a steel wire bundle and a steel wire rope with good ductility and high tensile strength as the guy cable in arch rib swivel construction.
In embodiment 1 of the present invention, the continuous tensioning devices are all located outside the arch rib.
The embodiment of the utility model provides an in 1, the arch rib is the box rib, and the inside of arch rib all runs through to have the tubular sleeve 11 that is used for the opposite drawing cable to pass, and both ends all are fixed with the left and right sides of arch rib about the tubular sleeve, and the internal perisporium of arch rib all is equipped with the cross slab 13 of a plurality of floor 12 and perpendicular to floor, and tubular sleeve all passes through the cross slab. When the width of the section of the box-type arch rib is less than 1.5 times of the length of the continuous tensioning device, a tubular sleeve mode is adopted.
The embodiment of the utility model provides an in 1, continuous tensioning equipment is all including linking firmly the shell 14 of arch rib, the inside continuous tensioning jack that has all linked firmly of shell, provide continuous tensioning power, all have two punching jacks 15 of series connection in the continuous tensioning jack to and the anchor clamping piece 16 on the punching jack piston, all turn to the device through the cable to the stay cable, tubular sleeve gets into continuous tensioning equipment in, through the clamping piece anchor on two punching jacks of series connection and the punching jack piston, stretch out from the continuous tensioning equipment other end.
Example 2 differs from example 1 in that:
the embodiment 2 of the present invention provides a continuous tensioning apparatus inside an arch rib.
The embodiment of the utility model provides an in 2, the arch rib is the box rib, and the internal perisporium of arch rib all is equipped with the cross slab of a plurality of floors and perpendicular to floor, and the inside of arch rib all sets firmly cable tensioning anchor end 17, and cable tensioning anchor end all is equipped with the through-hole 18 that is used for the counter-pull cable to pass, and the through-hole all communicates the arch rib outside that the cable turned to the device side. When the width of the section of the box-type arch rib exceeds 1.5 times of the length of the continuous tensioning device, a mode of tensioning the anchor end by using a stay cable is adopted.
The embodiment of the utility model provides an in 2, continuous tensioning equipment is all including linking firmly the shell of cable tensioning anchor end, the shell is inside all to be linked firmly continuous tensioning jack, provide continuous tensioning power, all have two punching jacks of series connection in the continuous tensioning jack to and the anchor clamping piece on the punching jack piston, all turn to the device through the cable to the tensioning cable, in the through-hole gets into continuous tensioning equipment, through two punching jacks of series connection and the clamping piece anchor on the punching jack piston, stretch out from the continuous tensioning equipment other end.
In embodiment 2 of the present invention, the cable stretching anchor end is in the shape of a bump and is fixed with the arch rib as a whole through the plate body. The continuous tensioning device is opposite to the tensioning anchor end of the inhaul cable.
A construction method of a guy cable counter-pulling system for providing arch rib side rotation comprises the following steps:
(1) manufacturing an arch rib: when the arch rib is a box rib, processing and manufacturing a bottom plate, a web plate, a diaphragm plate, a rib plate and other structures in a manufacturing field, and embedding a tubular sleeve on the diaphragm plate or installing a cable tensioning anchor end on the inner side of the web plate;
(2) installing a cable steering device: a cable steering device is arranged outside a web plate of the arch rib;
(3) installing arch ribs: arranging the arch rib at the initial position of lateral swivel construction;
(4) installing a continuous tensioning device: the continuous tensioning device is arranged at the bracing cable tensioning anchor end outside the arch rib or inside the arch rib;
(5) installing a counter-pulling cable: two ends of the counter-pulling guy cable pass through two arch rib upper cable steering devices, enter the continuous tensioning device perpendicular to the end face of the continuous tensioning device, pass through the continuous tensioning jack and penetrate out of a wire outlet end of the continuous tensioning device;
(6) tensioning the stay cable: operating the continuous tensioning device to realize continuous tensioning, and enabling the arch rib to laterally rotate to a designed position; the problem of in the arch rib side direction construction of turning, the cable angle constantly changes and stretch-draw in succession is solved.
(7) Dismantling the pull cable counter-pulling system: and after the continuous tensioning is finished, the continuous tensioning device and the cable steering device are dismounted.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a cable counter-pulling system that provides rib sidesway which characterized in that: the tension device comprises two arch ribs, a counter-pull cable, a continuous tensioning device and a cable steering device, wherein the counter-pull cable is suspended between the two arch ribs, and is connected with the continuous tensioning device arranged on the arch ribs for tensioning after two ends of the counter-pull cable bypass the cable steering device on the same side.
2. A guy wire counter-pulling system providing rib turn-over according to claim 1, wherein: the continuous tensioning devices are all positioned on the outer side of the arch rib.
3. A guy wire counter-pull system providing rib turn-over according to claim 2, wherein: the arch rib is the case type rib, and the inside of arch rib all runs through to have the tubular sleeve that is used for the opposite pull cable to pass, and both ends all are fixed with the left and right sides of arch rib about the tubular sleeve, and the internal perisporium of arch rib all is equipped with the cross slab of a plurality of floor and perpendicular to floor, and tubular sleeve all passes through the cross slab.
4. A guy wire counter-pull system providing rib turn-over according to claim 3, wherein: the continuous tensioning devices respectively comprise shells fixedly connected with arch ribs, the shells are internally and fixedly connected with continuous tensioning jacks respectively, the continuous tensioning jacks are internally provided with two through jacks connected in series and anchoring clamping pieces on pistons of the through jacks, the counter-pull cables respectively enter the continuous tensioning devices through the cable steering devices and the tubular sleeves, and are anchored through the two through jacks connected in series and the clamping pieces on the pistons of the through jacks and extend out of the other ends of the continuous tensioning devices.
5. A guy wire counter-pulling system providing rib turn-over according to claim 1, wherein: the continuous tensioning devices are all positioned inside the arch rib.
6. A guy wire counter-pull system providing rib turn-over according to claim 5, wherein: the arch rib is the case type rib, and the internal perisporium of arch rib all is equipped with the cross slab of a plurality of floor and perpendicular to floor, and the inside of arch rib all sets firmly cable tensioning anchor end, and cable tensioning anchor end all is equipped with the through-hole that is used for the counter-pull cable to pass, and the through-hole all communicates the arch rib outside of cable steering device side.
7. A guy wire counter-pull system providing rib turn-over according to claim 6, wherein: the continuous tensioning device comprises a shell fixedly connected with a tensioning anchor end of a stay cable, continuous tensioning jacks are fixedly connected in the shell, two through jacks connected in series are arranged in the continuous tensioning jacks, anchoring clamping pieces are arranged on pistons of the through jacks, the counter-tensioning stay cable enters the continuous tensioning device through the cable steering device and the through holes, and is anchored by the two through jacks connected in series and the clamping pieces on the pistons of the through jacks and extends out of the other end of the continuous tensioning device.
8. A guy wire counter-pull system for providing rib sideslip as in any one of claims 1-7 wherein: the cable diverting means are all located inside the rib.
9. A guy wire counter-pull system providing rib turn-over according to claim 8, wherein: the cable steering device consists of two parallel arched steel plates, a rectangular steel plate base and fixed pulleys, wherein the two parallel arched steel plates are vertically welded on the rectangular steel plate base; the upper wheel rim of the fixed pulley is always positioned at the middle shaft of the continuous tensioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384108.0U CN214573342U (en) | 2021-02-22 | 2021-02-22 | Inhaul cable opposite-pulling system for providing arch rib lateral rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384108.0U CN214573342U (en) | 2021-02-22 | 2021-02-22 | Inhaul cable opposite-pulling system for providing arch rib lateral rotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214573342U true CN214573342U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120384108.0U Active CN214573342U (en) | 2021-02-22 | 2021-02-22 | Inhaul cable opposite-pulling system for providing arch rib lateral rotation |
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| Country | Link |
|---|---|
| CN (1) | CN214573342U (en) |
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2021
- 2021-02-22 CN CN202120384108.0U patent/CN214573342U/en active Active
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