CN210658022U - A one-way perpendicular commentaries on classics device for oblique steel tower of single limb - Google Patents
A one-way perpendicular commentaries on classics device for oblique steel tower of single limb Download PDFInfo
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- CN210658022U CN210658022U CN201921001993.9U CN201921001993U CN210658022U CN 210658022 U CN210658022 U CN 210658022U CN 201921001993 U CN201921001993 U CN 201921001993U CN 210658022 U CN210658022 U CN 210658022U
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Abstract
The utility model discloses an one-way perpendicular device that changes for oblique steel tower of single limb belongs to bridge construction technical field, include: the vertical rotating hinge is used for being rotatably connected to the bottom end of the steel tower and the top end of the steel beam, and the steel tower vertically rotates on the steel beam by taking the vertical rotating hinge as an axis; the bottom of the pressure lever is connected to the side wall of the bottom end of the steel tower, and the top of the pressure lever is provided with a connecting body connected with the steel tower; and the traction system is fixedly connected to the steel beam, provided with an anchor cable connected with the top of the pressure rod and used for drawing the steel tower to vertically rotate. The utility model discloses turn into traditional high altitude construction ground operation, guaranteed the space welding quality of tower and the space installation precision of steel tower, reduced the site operation degree of difficulty. The unidirectional vertical rotation device reduces the investment of an inclined steel tower construction support, a temporary stay cable and large-scale hoisting equipment in traditional high-altitude operation, and reduces the construction cost.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically relates to an one-way perpendicular commentaries on classics device that is used for oblique steel tower of single limb.
Background
The steel tower has light dead weight and can be manufactured in factories, so the steel tower is widely applied to the construction of cable-stayed bridges and suspension bridges. Along with the development requirements of cities, the special-shaped self-anchored suspension bridge and the like are brought forward, the single-limb inclined steel tower is soft and attractive in appearance, and the landscape effect is good.
The steel tower is heavy in structure and high in height, if a conventional construction method is adopted, a floor leaning tower support needs to be erected, a temporary stay cable is arranged to prevent overturning, large-scale hoisting equipment is adopted for hoisting, and the cost is high. Meanwhile, the sections of the steel tower are operated sequentially, so that the construction period is long; and the safety risk of high-altitude operation is large, the space welding quality of the steel tower cannot be guaranteed, and the space installation precision is difficult to control.
Therefore, the single-limb inclined steel tower has more problems if constructed according to the conventional construction method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned background art and adopting large-scale lifting device to hoist construction operation, the expense is higher, high altitude construction safety risk is great, and the space welding quality of steel tower can not be guaranteed, and the space installation precision hard to control of steel tower is not enough, provides an one-way perpendicular commentaries on classics device that is used for the oblique steel tower of single limb.
The utility model provides a one-way vertical rotation device for single limb inclined steel tower, include:
the vertical rotating hinge is used for being rotatably connected between a steel tower rotating section at the bottom end of the steel tower and a tower beam fixing section at the top end of the steel beam, and the steel tower vertically rotates on the steel beam by taking the vertical rotating hinge as an axis;
the bottom of the pressure lever is connected to the side wall of the steel tower rotary body section at the bottom end of the steel tower, and the top of the pressure lever is provided with a connecting body connected with the steel tower;
the traction system is located on one side far away from the steel tower and fixedly connected to the steel beam, an anchor cable connected with the top of the pressure rod is arranged on the traction system, and the traction system is used for traction of vertical rotation of the steel tower.
The preferred scheme is as follows: the vertical rotary hinges are provided with two groups, the two groups of vertical rotary hinges are symmetrically arranged on two sides of a steel tower rotating section at the bottom end of the steel tower and a tower beam fixed connection section at the top end of the steel beam, each vertical rotary hinge comprises an upper hinged support, a lower hinged support and a hinged shaft which is rotatably connected between the upper hinged support and the lower hinged support, the upper hinged support is fixedly connected to the steel tower rotating section of the steel tower, and the lower hinged support is fixedly connected to the tower beam fixed connection section of the steel beam.
The preferred scheme is as follows: the bottom of the pressure rod is rotatably connected with a pressure rod hinged support, the pressure rod hinged support is welded on the side wall of the steel tower rotary body section at the bottom end of the steel tower, and the pressure rod freely and vertically rotates on the pressure rod hinged support.
The preferred scheme is as follows: the upper part of the steel tower is provided with a front buckling point, the front buckling point is connected with a first anchor beam, the top of the pressure lever is respectively provided with a second anchor beam and a third anchor beam, one end of the connecting body is fixedly connected with the first anchor beam, and the other end of the connecting body is fixedly connected with the second anchor beam;
the front end of the traction system is provided with a steel anchor seat, the steel anchor seat is fixedly connected with the steel beam, a fourth anchor beam is arranged on the steel anchor seat, one end of the anchor cable is fixedly connected with the third anchor beam, the other end of the anchor cable penetrates through the fourth anchor beam and then is fixedly connected with the traction system, and the traction system is fixed on the fourth anchor beam.
The preferred scheme is as follows: the connecting body is two inhaul cables made of parallel steel wires or steel strands, the anchor cables are four parallel steel strands, and the axis of the pressure lever and the axis of the steel tower are in the same vertical plane;
and a main cable and a back cable are hung at the top end of the steel tower.
The preferred scheme is as follows: the first anchor beam is rotatably connected with the front buckling point, the axis of the first anchor beam is vertical to the axis of the steel tower, the second anchor beam is rotatably connected with the top of the pressure lever, and the second anchor beam is parallel to the first anchor beam;
the third anchor beam is rotatably connected with the top of the pressure rod, the third anchor beam is parallel to the second anchor beam, the fourth anchor beam is rotatably connected with the steel anchor base, and the fourth anchor beam is parallel to the third anchor beam.
The preferred scheme is as follows: the traction system is an automatic pushing continuous jack, the automatic pushing continuous jack is connected with the anchor cable, and the automatic pushing continuous jack drives the steel tower to vertically rotate by drawing the anchor cable.
The preferred scheme is as follows: the steel beam is provided with a steel tower horizontal splicing support, the steel tower horizontal splicing support is used for supporting the steel tower, and the steel tower is horizontally spliced and installed at a bridge position on the steel tower horizontal splicing support;
the steel beam is vertically provided with a pressure lever support, the top of the pressure lever support is provided with a cushion block, the top of the cushion block is in close contact with the pressure lever, and the pressure lever support is used for assisting in mounting the pressure lever.
The utility model discloses another aspect provides a mounting method that is used for one-way vertical rotation device of single limb oblique steel tower, including following step:
mounting a steel tower horizontal splicing support and a steel anchor seat on the steel beam, hoisting a plurality of sections of the steel tower on the steel tower horizontal splicing support, and assembling and welding the plurality of sections of the steel tower on the steel tower horizontal splicing support into an integral steel tower; meanwhile, a steel tower rotary section is installed on the tower beam fixed connection section, and the tower beam fixed connection section and the steel tower rotary section are temporarily fixed by using a code plate;
a vertical rotary hinge is arranged between the steel beam and the steel tower, an upper hinged support of the vertical rotary hinge is fixedly connected to a steel tower rotating body section of the steel tower, a lower hinged support of the vertical rotary hinge is fixedly connected to a tower beam fixed connection section of the steel beam, and a hinge shaft is connected between the upper hinged support and the lower hinged support;
vertically rotating the steel tower rotating body section on the tower beam fixed connection section, performing a vertical rotation alignment test, and welding the steel tower rotating body section of the steel tower and other sections of the steel tower into a whole steel tower after the vertical rotation alignment test is completed;
installing a pressure lever on the side wall of the steel tower rotary body section at the bottom end of the steel tower, connecting a connecting body on the pressure lever with the steel tower, connecting an anchor cable on the pressure lever with a traction system, and hanging a main cable and a back cable at the top end of the steel tower;
a traction system is utilized to pull the steel tower to carry out formal rotation, the steel tower is vertically rotated to a set angle away from the horizontal splicing support of the steel tower, and the main cable and the back cable rotate together in place;
and after the rotating body is in place, welding the steel tower rotating body section of the steel tower and the tower beam fixed connection section of the steel beam into a whole.
The preferred scheme is as follows: after the rotation is in place, the traction system is self-locked, the steel tower rotation section of the steel tower and the tower beam fixed connection section of the steel beam are welded into a whole, the back cable at the top end of the steel tower and the steel beam are stretched in place, the vertical rotation device is unloaded, the one-way vertical rotation construction of the single-limb inclined steel tower is completed, and then the main cable and the steel beam are anchored.
On the basis of the above technical scheme, compare with prior art, the utility model has the advantages as follows:
the utility model discloses an one-way perpendicular device that changes for oblique steel tower of single limb, this one-way perpendicular device that changes have adopted the bottom at the steel tower and the top of girder steel to set up vertical commentaries on classics hinge, and the steel tower uses vertical commentaries on classics hinge as the vertical rotation of axle center on the girder steel. In the process of vertically rotating the steel tower, the traction system pulls the connecting body and the anchor cable on the pressure lever to realize the vertical rotation of the traction steel tower. The utility model discloses an one-way perpendicular commentaries on classics device turns into traditional high altitude construction ground operation, has guaranteed the space welding quality of tower and the space installation precision of steel tower, has reduced the site operation degree of difficulty. The unidirectional vertical rotation device reduces the investment of traditional inclined steel tower construction supports, temporary inhaul cables and large hoisting equipment for high-altitude operation, and reduces the construction cost.
Drawings
Fig. 1 is a schematic structural view of a one-way vertical rotation device in an initial state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the one-way vertical rotation device in a vertical rotation state according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a compression bar according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the vertical hinge according to the embodiment of the present invention in an initial state;
fig. 5 is a schematic structural view of the vertical hinge according to the embodiment of the present invention in a vertical rotation completed state;
FIG. 6 is a schematic structural view of a steel anchor block according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a front fastening point according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a strut support according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a bridging state of an embodiment of the present invention.
Reference numerals: 1-steel tower, 2-connector, 3-compression bar, 4-vertical rotary hinge, 5-anchor cable, 6-steel anchor seat, 7-front buckling point, 8-first anchor beam, 9-second anchor beam, 10-third anchor beam, 11-fourth anchor beam, 12-traction system, 13-compression bar hinge seat, 14-steel tower horizontal splicing support, 15-compression bar support, 16-steel beam, 17-main cable, 18-back cable, 19-steel tower rotary body section, 20-tower beam fixed connection section, 21-upper hinge seat, 22-lower hinge seat, 23-hinge shaft, 24-cushion block and 25-suspension rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
Referring to fig. 1, 3, 4 and 5, a first aspect of the present invention provides an unidirectional vertical rotation device for a single-limb inclined steel tower, including:
the vertical rotating hinge 4 is used for being rotatably connected between a steel tower rotating section 19 at the bottom end of the steel tower 1 and a tower beam fixedly connecting section 20 at the top end of the steel beam 16, and the steel tower 1 vertically rotates on the steel beam 16 from the horizontal direction to the inclined or vertical direction by taking the vertical rotating hinge 4 as an axis; the bottom end of the steel tower 1 is provided with a steel tower rotating section 19, the steel tower rotating section 19 and the steel tower 1 are welded into a whole, the top end of the steel beam 16 is provided with a tower beam fixed connection section 20, and the tower beam fixed connection section 20 and the steel beam 16 are welded into a whole. The tower beam fixed connection section 20 is used for being in butt joint with the steel tower rotating section 19, after the tower beam fixed connection section 20 is in butt joint with the steel tower rotating section 19 and positioned, the tower beam fixed connection section 20 is used for being welded with the steel tower rotating section 19 into a whole, and the steel tower 1 is fixed on the steel beam 16.
Two groups of vertical rotating hinges 4 are arranged, and the two groups of vertical rotating hinges 4 have the same structure. The two groups of vertical rotating hinges 4 are symmetrically arranged on the left side and the right side of the steel tower rotating section 19 and the tower beam fixed connection section 20. The vertical rotating hinge 4 comprises an upper hinge base 21, a lower hinge base 22 and a hinge shaft 23 which is rotatably connected between the upper hinge base 21 and the lower hinge base 22. The upper hinged support 21 is fixedly connected to the steel tower rotating section 19 of the steel tower 1, the lower hinged support 22 is fixedly connected to the tower beam fixed connection section 20 of the steel beam 16, and the hinge shafts 23 of the two groups of vertical hinges 4 are coaxially arranged.
The pressing rod 3 is connected with the pressing rod hinged support 13 in a rotating mode at the bottom of the pressing rod 3, the pressing rod hinged support 13 is welded on the side wall of a steel tower rotating body section 19 at the bottom end of the steel tower 1, the pressing rod hinged support 13 at the bottom of the pressing rod 3 can also be connected to other sections of the steel tower 1, the pressing rod 3 freely vertically rotates on the pressing rod hinged support 13, and the pressing rod hinged support 13 is used for adjusting the inclination angle between the pressing rod 3 and the steel tower 1. The top of the pressure lever 3 is provided with a connecting body 2 connected with the upper part of the steel tower 1. The upper portion of steel tower 1 is equipped with preceding knot point 7, is connected with first anchor beam 8 on preceding knot point 7, and the top of depression bar 3 is equipped with second anchor beam 9 and third anchor beam 10 respectively, and the one end and the first anchor beam 8 fixed connection of connector 2, the other end and the second anchor beam 9 fixed connection of connector 2.
The traction system 12 is located on one side far away from the steel tower 1, the traction system 12 is fixedly connected to the steel beam 16, the traction system 12 is provided with an anchor cable 5 connected with the top of the pressure lever 3, and the traction system 12 is used for drawing the steel tower 1 to vertically rotate. The traction system 12 of the present embodiment is preferably, but not limited to, an automatic pushing continuous jack, and may also be a driving mechanism such as a winch. The automatic pushing continuous jack is connected with the anchor cable 5 and drives the steel tower 1 to vertically rotate through the traction anchor cable 5 and the connector 2.
The front end of the traction system 12 is provided with a steel anchor seat 6, the steel anchor seat 6 is fixedly connected with a steel beam 16, and the connection structure of the steel anchor seat 6 and the steel beam 16 is shown in fig. 7. And a fourth anchor beam 11 is arranged on the steel anchor seat 6, and the fourth anchor beam 11 is rotatably connected with the steel anchor seat 6. One end of the anchor cable 5 is fixedly connected with the third anchor beam 10, the other end of the anchor cable 5 penetrates through the fourth anchor beam 11 and then is fixedly connected with the traction system 12, and the traction system 12 is fixed on the fourth anchor beam 11.
Principle of operation
The utility model discloses an one-way perpendicular device that changes for oblique steel tower of single limb, this one-way perpendicular device that changes have adopted the tower roof beam rigid coupling section 20 on the steel tower rotor section 19 of the bottom of steel tower 1 and the top of girder steel 16 to set up vertical commentaries on classics hinge 4, and steel tower 1 uses vertical commentaries on classics hinge 4 to be the vertical rotation of axle center on girder steel 16. The upper hinge base 21 of the vertical hinge 4 is fixedly connected to the steel tower rotating section 19 of the steel tower 1, and the lower hinge base 22 of the vertical hinge 4 is fixedly connected to the tower beam fixed connection section 20 of the steel beam 16. Meanwhile, a pressure lever 3 is arranged on the side wall of the steel tower rotating body section 19 at the bottom end of the steel tower 1, a connecting body 2 and an anchor cable 5 are arranged at the top of the pressure lever 3, the connecting body 2 is connected with the upper portion of the steel tower 1, the anchor cable 5 is connected with a traction system 12, and the pressure lever 3 is used for changing the traction direction of the traction system 12 for drawing the connecting body 2 and the anchor cable 5 and reducing the traction force of the traction system 12. In the vertical rotation process of the steel tower 1, the traction system 12 firstly pulls the anchor cable 5 connected with the pressure rod 3, the anchor cable 5 transmits traction force to the connecting body 2, the connecting body 2 pulls the front buckling point 7 on the upper portion of the steel tower 1, and the front buckling point 7 pulls the steel tower 1 to vertically rotate on the steel beam 16 by taking the vertical rotation hinge 4 as an axis until the steel tower 1 vertically rotates to a set angle and then stops.
Scheme of the preferred embodiment: referring to fig. 2, 3, 7 and 9, the connecting body 2 of the present embodiment is a cable made of two parallel steel wires or steel strands, but a rigid connecting body material may be used for the connecting body 2. The anchor cable 5 is four parallel steel strands, of course, the anchor cable 5 can also be made of steel wire ropes and other materials, and the axis of the pressure lever 3 and the axis of the steel tower 1 are in the same vertical plane. The first anchor beam 8 is rotatably connected with the front buckling point 7, the axis of the first anchor beam 8 is perpendicular to the axis of the steel tower 1, the second anchor beam 9 is rotatably connected with the top of the pressure lever 3, the second anchor beam 9 is parallel to the first anchor beam 8, and the two connecting bodies 2 are fixedly connected between the second anchor beam 9 and the first anchor beam 8. The third anchor beam 10 is rotatably connected with the top of the pressure rod 3, the third anchor beam 10 is parallel to the second anchor beam 9, the fourth anchor beam 11 is rotatably connected with the steel anchor base 6, the fourth anchor beam 11 is parallel to the third anchor beam 10, and the four parallel anchor cables 5 are fixedly connected between the fourth anchor beam 11 and the third anchor beam 10.
A main cable 17 and a back cable 18 are hung at the top end of the steel tower 1, the main cable 17 is anchored between the steel tower 1 and the steel beam 16, the upper end of the back cable 18 is anchored with the steel tower 1, and the lower end of the back cable 18 is tensioned with the steel beam 16. The back cable 18 is provided with 2, and the main push-towing rope 17 is wholly in an arc structure, is provided with a plurality of suspenders 25 for drawing the steel beam 16 on the main push-towing rope 17, and the back cable 18 and the suspenders 25 are jointly used for suspending the steel beam 16.
Scheme of the preferred embodiment: referring to fig. 1 and 8, a steel tower horizontal splicing support 14 is arranged on the steel beam 16, and the steel tower horizontal splicing support 14 is used for supporting the steel tower 1, so that the steel tower 1 is conveniently connected with the vertical rotating hinge 4, and the steel tower 1 is conveniently horizontally spliced and installed at a bridge position on the steel tower horizontal splicing support 14.
A pressure bar support 15 is vertically arranged on the steel beam 16, a cushion block 24 is arranged at the top of the pressure bar support 15, the top of the cushion block 24 is in close contact with the pressure bar 3, the pressure bar support 15 is used for assisting in installing the pressure bar 3, and the pressure bar support 15 is used for supporting when the pressure bar 3 is installed.
Another aspect of the utility model provides a mounting method that is used for one-way vertical rotation device of single limb oblique steel tower, including following step:
Step 2, installing a vertical rotary hinge 4 between the steel beam 16 and the steel tower 1, fixedly connecting an upper hinge base 21 of the vertical rotary hinge 4 to a steel tower rotating section 19 of the steel tower 1, fixedly connecting a lower hinge base 22 of the vertical rotary hinge 4 to a tower beam fixed connection section 20 of the steel beam 16, and connecting a hinge shaft 23 between the upper hinge base 21 and the lower hinge base 22; two groups of vertical rotating hinges 4 are arranged, and the two groups of vertical rotating hinges 4 have the same structure. The two groups of vertical rotating hinges 4 are symmetrically arranged at the left side and the right side of the steel tower rotating section 19 and the tower beam fixed connection section 20, and hinge shafts 23 of the two groups of vertical rotating hinges 4 are coaxially arranged.
And 3, vertically rotating the steel tower rotating section 19 on the tower beam fixed connection section 20 through the vertical rotating hinge 4, performing a vertical rotation alignment test, welding the steel tower rotating section 19 of the steel tower 1 and other sections of the steel tower 1 into a whole steel tower 1 after the vertical rotation alignment test is completed, and detecting whether the steel tower rotating section 19 can be accurately aligned with the tower beam fixed connection section 20 or not through the vertical rotation alignment test to prevent errors in subsequent vertical rotation operation.
And 4, mounting the compression bar 3 on the side wall of a steel tower rotating body section 19 at the bottom end of the steel tower 1, connecting the connecting body 2 on the compression bar 3 with the upper part of the steel tower 1, connecting the anchor cable 5 on the compression bar 3 with the traction system 12, and hanging a main cable 17 and a back cable 18 at the top end of the steel tower 1.
And 5, utilizing a traction system 12 to pull the steel tower 1 through a connector 2 and an anchor cable 5 to perform formal rotation, enabling the steel tower 1 to leave the steel tower horizontal splicing support 14 to vertically rotate to a set angle through the traction system 12, and enabling a main cable 17 and a back cable 18 to follow together to rotate in place.
And 6, after the swivel is in place, self-locking the traction system 12, welding the steel tower swivel section 19 of the steel tower 1 and the tower beam fixed connection section 20 of the steel beam 16 into a whole, tensioning the back cable 18 at the top end of the steel tower 1 and the steel beam 16 in place, unloading the vertical swivel device, completing the one-way vertical swivel construction of the single-limb inclined steel tower, and then anchoring the main cable 17, the suspender 25 and the steel beam 16.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (8)
1. A one-way vertical rotation device for a single-limb inclined steel tower is characterized by comprising:
the vertical rotating hinge (4), the vertical rotating hinge (4) is used for being rotatably connected between a steel tower rotating section (19) at the bottom end of the steel tower (1) and a tower beam fixed connection section (20) at the top end of the steel beam (16), and the steel tower (1) vertically rotates on the steel beam (16) by taking the vertical rotating hinge (4) as an axis;
the bottom of the pressure lever (3) is connected to the side wall of the steel tower rotary section (19) at the bottom end of the steel tower (1), and the top of the pressure lever (3) is provided with a connecting body (2) connected with the steel tower (1);
the traction system (12), the traction system (12) is located the one side of keeping away from steel tower (1), and traction system (12) fixed connection is on girder steel (16), traction system (12) are equipped with anchor rope (5) of being connected with depression bar (3) top, and traction system (12) are used for pulling steel tower (1) vertical rotation.
2. The unidirectional vertical rotation device for the single-limb inclined steel tower as claimed in claim 1, wherein:
vertical commentaries on classics hinge (4) are equipped with two sets ofly, and two sets of vertical commentaries on classics hinge (4) symmetry sets up tower beam rigid coupling section (20) both sides on the top of steel tower (1) steel tower rotating body section (19) and girder steel (16) bottom, and vertical commentaries on classics hinge (4) are including last free bearing (21), free bearing (22) and rotation connection at last free bearing (21), hinge (23) between free bearing (22) down, go up free bearing (21) fixed connection at steel tower rotating body section (19) of steel tower (1), and free bearing (22) fixed connection is in girder steel (16)'s tower beam rigid coupling section (20) down.
3. The unidirectional vertical rotation device for the single-limb inclined steel tower as claimed in claim 1, wherein:
the bottom of depression bar (3) rotates and is connected with depression bar free bearing (13), depression bar free bearing (13) weld on steel tower (1) bottom steel tower pivot section (19) lateral wall, depression bar (3) are in the free vertical rotation on depression bar free bearing (13).
4. The unidirectional vertical rotation device for the single-limb inclined steel tower as claimed in claim 1, wherein:
a front buckling point (7) is arranged at the upper part of the steel tower (1), a first anchor beam (8) is connected to the front buckling point (7), a second anchor beam (9) and a third anchor beam (10) are respectively arranged at the top of the pressure lever (3), one end of the connecting body (2) is fixedly connected with the first anchor beam (8), and the other end of the connecting body (2) is fixedly connected with the second anchor beam (9);
the front end of the traction system (12) is provided with a steel anchor seat (6), the steel anchor seat (6) is fixedly connected with a steel beam (16), a fourth anchor beam (11) is arranged on the steel anchor seat (6), one end of the anchor cable (5) is fixedly connected with a third anchor beam (10), the other end of the anchor cable (5) penetrates through the fourth anchor beam (11) and then is fixedly connected with the traction system (12), and the traction system (12) is fixed on the fourth anchor beam (11).
5. The one-way vertical rotation device for the single-limb inclined steel tower as claimed in claim 4, wherein:
the connecting body (2) is a guy cable made of two parallel steel wires or steel strands, the anchor cable (5) is four parallel steel strands, and the axis of the pressure lever (3) and the axis of the steel tower (1) are in the same vertical plane;
the top end of the steel tower (1) is hung with a main cable (17) and a back cable (18).
6. The one-way vertical rotation device for the single-limb inclined steel tower as claimed in claim 4, wherein:
the first anchor beam (8) is rotatably connected with the front buckling point (7), the axis of the first anchor beam (8) is vertical to the axis of the steel tower (1), the second anchor beam (9) is rotatably connected with the top of the pressure lever (3), and the second anchor beam (9) is parallel to the first anchor beam (8);
the third anchor beam (10) is rotatably connected with the top of the pressure rod (3), the third anchor beam (10) is parallel to the second anchor beam (9), the fourth anchor beam (11) is rotatably connected with the steel anchor base (6), and the fourth anchor beam (11) is parallel to the third anchor beam (10).
7. The unidirectional vertical rotation device for the single-limb inclined steel tower as claimed in claim 1, wherein:
the traction system (12) is an automatic pushing continuous jack, the automatic pushing continuous jack is connected with the anchor cable (5), and the automatic pushing continuous jack drives the steel tower (1) to vertically rotate through traction of the anchor cable (5).
8. The unidirectional vertical rotation device for the single-limb inclined steel tower as claimed in claim 1, wherein:
a steel tower horizontal splicing support (14) is arranged on the steel beam (16), the steel tower horizontal splicing support (14) is used for supporting the steel tower (1), and the steel tower (1) is installed on the steel tower horizontal splicing support (14) in a bridge position horizontal splicing mode;
the steel beam (16) is vertically provided with a pressure lever support (15), the top of the pressure lever support (15) is provided with a cushion block (24), the top of the cushion block (24) is closely contacted with the pressure lever (3), and the pressure lever support (15) is used for assisting in mounting the pressure lever (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001993.9U CN210658022U (en) | 2019-06-28 | 2019-06-28 | A one-way perpendicular commentaries on classics device for oblique steel tower of single limb |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001993.9U CN210658022U (en) | 2019-06-28 | 2019-06-28 | A one-way perpendicular commentaries on classics device for oblique steel tower of single limb |
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| CN210658022U true CN210658022U (en) | 2020-06-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219249A (en) * | 2019-06-28 | 2019-09-10 | 中铁大桥局第七工程有限公司 | A kind of unidirectional vertical transfer device and its installation method for the oblique head tower of single limb |
| CN114790703A (en) * | 2022-04-27 | 2022-07-26 | 中铁重工有限公司 | Vertical rotation construction method of special-shaped spatial single-tower cable-stayed landscape bridge |
| CN114790697A (en) * | 2022-04-27 | 2022-07-26 | 中铁高新工业股份有限公司 | Method for installing and positioning large-tonnage special-shaped casting hinge structure |
-
2019
- 2019-06-28 CN CN201921001993.9U patent/CN210658022U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219249A (en) * | 2019-06-28 | 2019-09-10 | 中铁大桥局第七工程有限公司 | A kind of unidirectional vertical transfer device and its installation method for the oblique head tower of single limb |
| CN114790703A (en) * | 2022-04-27 | 2022-07-26 | 中铁重工有限公司 | Vertical rotation construction method of special-shaped spatial single-tower cable-stayed landscape bridge |
| CN114790697A (en) * | 2022-04-27 | 2022-07-26 | 中铁高新工业股份有限公司 | Method for installing and positioning large-tonnage special-shaped casting hinge structure |
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