CN112575691A - Cable hanging system and method for single-column type cable tower cable-stayed bridge - Google Patents
Cable hanging system and method for single-column type cable tower cable-stayed bridge Download PDFInfo
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- CN112575691A CN112575691A CN202011598929.0A CN202011598929A CN112575691A CN 112575691 A CN112575691 A CN 112575691A CN 202011598929 A CN202011598929 A CN 202011598929A CN 112575691 A CN112575691 A CN 112575691A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000000725 suspension Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of building construction, in particular to a cable hanging system and a cable hanging method for a single-column type steel cable tower cable-stayed bridge, which at least comprise a steel cable tower and further comprise: the supporting part is detachably connected to the top end of the steel cable tower; the first hoisting part is provided with a first sling which is detachably connected to the center of the upper surface of the supporting part and penetrates through the supporting part to extend into the steel cable tower; the hoisting parts II are respectively detachably connected with the two sides of the steel cable tower and are detachably connected with the supporting part; the invention adopts the winch, effectively solves the traditional mode that the tower crane needs to hang the cable, further reduces the difficulty of building the tower crane and improves the construction efficiency. The pulley is pushed to slide through the electric push rod, so that the distance between the anchor head and the steel cable tower can be adjusted, and a worker does not need to pull a rope to control the distance.
Description
Technical Field
The invention relates to the field of building construction, in particular to a cable hanging system and method for a single-column type steel cable tower cable-stayed bridge.
Background
In general long-span steel box girder suspension cable installation, one way is that adopt the tower crane to carry out the suspension cable hoist and mount, this way makes this block continue to accomplish next branch project with the tower crane of moving back to the field, leads to equipment use cost to rise, does not have economic nature, easily receives the wind speed influence simultaneously and does not possess the security, another kind of way is to adopt traditional top support bracket, but in single-column type steel cable tower suspension cable, can not be suitable for, compare this suspension cable equipment and account for headspace more, the safe risk will promote. The construction method aims at ensuring high-quality, high-efficiency and high-standard construction of the suspension cable of the single-column type cable tower cable-stayed bridge. The reasonable and effective single-column type cable tower cable-stayed bridge cable hanging equipment is very important. If the design is unreasonable, a series of problems such as delay of construction period, construction quality and safety can not be guaranteed can be caused.
Disclosure of Invention
The invention provides a cable hanging system and a cable hanging method for a single-column type cable tower cable-stayed bridge, which solve the problem that a tower crane is difficult to install, and realize the installation of a stay cable and a cable tower by matching a support frame with a winch.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the utility model provides a single-column type cable tower cable-stay bridge suspension cable system, includes the cable tower at least, still includes:
the supporting part is detachably connected to the top end of the steel cable tower;
the first hoisting part is provided with a first sling which is detachably connected to the center of the upper surface of the supporting part and penetrates through the supporting part to extend into the steel cable tower;
the hoisting parts II are respectively detachably connected with the two sides of the steel cable tower and are detachably connected with the supporting part;
the lifting part comprises a first lifting rope, a second lifting rope, a third lifting rope and a connecting piece, one ends of the first lifting rope, the second lifting rope and the third lifting rope are respectively detachably connected with the connecting piece, and the other end of the first lifting rope is detachably connected with the second lifting part.
Further, the supporting part includes support frame, two pairs of bracing and guardrail, the support frame is the rectangle frame, the support frame lower surface can be dismantled with cable wire tower top end and be connected, and support frame and cable wire tower center coincidence, and the support frame both ends extend to outside the cable wire tower, the support frame lower surface can be dismantled a pair of bracing of being connected respectively with cable wire tower lateral wall, the support frame upper surface is followed to dismantle outside and is connected the guardrail, the connection can be dismantled in support frame center department to hoist and mount portion one, and hoist and mount portion one passes the support frame and extend to in the cable wire tower, hoist and mount portion two and support frame lower surface connection.
Furthermore, hoist and mount portion one includes hoist engine one, the connection can be dismantled in support frame upper surface center department to hoist engine one, and hoist engine one's hoist cable one passes the support frame and extends to in the steel cable tower.
Furthermore, a guide wheel is arranged above an anchor hole in the inner wall surface of the steel tower, and the first sling passes through the guide wheel.
Further, hoist and mount portion two includes hoist engine two, pulley one, pulley two, pulley three, lifting hook and hoist cable two, hoist cable two sets up on hoist engine two, connection in steel cable tower one side can be dismantled to hoist engine two, pulley one can be dismantled and connect between steel cable tower and hoist engine two, pulley two can be dismantled and connect at the support frame lower surface, and the pulley two is located one side of steel cable tower anchor eye, and pulley two is located same vertically plane with the anchor eye, pulley three sets up the below at pulley two, can dismantle on the pulley two and be connected with the lifting hook, hoist engine two's hoist cable two passes pulley one, pulley two and pulley three in proper order to can dismantle with pulley two and be connected, lifting rope one can dismantle with the lifting hook and be connected.
Further, be equipped with a pair of regulation portion on the support frame, regulation portion can dismantle respectively and connect in support frame upper surface both sides, pulley two removes the end with the regulation portion of homonymy and can dismantle the connection.
Further, regulation portion includes electric putter, slide rail, four and U type framves of pulley, electric putter and slide rail can dismantle the connection at the support frame upper surface, four sliding connection of pulley are on the slide rail, slide rail both sides and four both sides swivelling joint of pulley are passed at U type frame both ends, connection in U type frame bottom can be dismantled to pulley two, electric putter drive end and four both sides swivelling joint of pulley.
A method for hanging a cable of a single-column type cable tower cable-stayed bridge is characterized by comprising the following steps:
step one, a lifting rope II and a lifting rope III are detachably connected with a guide rope pipe;
step two, starting a winch II to wind a sling II, enabling the sling II to be matched with a pulley I, a pulley II and a pulley III so that the pulley III drives a lifting hook to ascend, and meanwhile, enabling the lifting hook to drive a guide rope pipe, an anchor head and a steel rope to ascend through a lifting rope I, a connecting piece, the lifting rope II and the lifting rope III;
step three, when the anchor hole is lifted to the anchor hole position, an electric push rod is started, the electric push rod drives a pulley IV to move on a sliding rail, the pulley IV drives a pulley II to move through a U-shaped frame, and the pulley II is driven by changing the position of the pulley III and a lifting hook to adjust the distance between an anchor head and a steel cable tower, so that the anchor head is inserted into the anchor hole;
step four, the first sling is detachably connected with the anchor head, the first winch is started, the first winch is wound around the first sling, the traction direction of the first sling is changed through the guide wheel, and the first sling pulls the anchor head to completely enter the anchor hole;
and step four, positioning the anchor head through the anchor head clamping piece to complete the access hole.
Furthermore, the second lifting rope and the third lifting rope in the step one are detachably connected with the guide rope pipe, and the angle of the anchor head inlet hole is changed by changing the lengths of the second lifting rope and the third lifting rope.
The invention has the beneficial effects that: due to the adoption of the winch, the traditional mode that the cable is hung on the tower crane is effectively solved, the difficulty of building the tower crane is reduced, and the construction efficiency is improved.
The pulley is pushed to slide through the electric push rod, so that the distance between the anchor head and the steel cable tower can be adjusted, and a worker does not need to pull a rope to control the distance.
The traction direction of the first sling is changed through the guide wheel, and the problem that the anchor head is excessively scraped with the anchor hole when the first sling is vertically pulled by the winch is effectively solved.
The steel cable tower is built on the top end of the steel cable tower through the supporting parts to serve as supporting points, building can be completed through field materials, and other construction spaces are not occupied.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic view of the adjusting part and the guide wheel structure of the present invention.
In the figure: 1-a steel cable tower; 2, first sling; 3, hanging a rope I; 4-lifting a second rope; 5-lifting a third rope; 6-connecting piece; 7-a support frame; 8-diagonal bracing; 9-a guardrail; 10, a first winch; 11-a guide wheel; 12-a second winch; 13-a first pulley; 14-pulley II; 15-pulley III; 16-a hook; 17-an electric push rod; 18-a slide rail; 19-pulley four; 20-U-shaped frame; 21-sling two.
Detailed Description
Example 1:
referring to fig. 1, which is a schematic structural view of embodiment 1 of the present invention, a suspension cable system of a single-column cable tower cable-stayed bridge at least includes a cable tower 1, and is characterized by further including:
the supporting part is detachably connected to the top end of the steel cable tower 1;
the first hoisting part is provided with a first sling 2, the first hoisting part is detachably connected to the center of the upper surface of the supporting part, and the first sling 2 penetrates through the supporting part and extends into the steel cable tower 1;
the hoisting parts II are respectively detachably connected with the two sides of the steel cable tower 1 and detachably connected with the supporting part;
the lifting part comprises a first lifting rope 3, a second lifting rope 4, a third lifting rope 5 and a connecting piece 6, one end of the first lifting rope 3, one end of the second lifting rope 4 and one end of the third lifting rope 5 are detachably connected with the connecting piece respectively, and the other end of the first lifting rope 3 is detachably connected with the second lifting part.
In actual use: the anchor tower is connected with an anchor pipe through a second lifting rope 4 and a third lifting rope 5, the joint of the second lifting rope 4 is located at the joint of an anchor head and the anchor pipe, the third lifting rope 5 is connected at the joint of the anchor pipe and a cable, the second lifting rope 21 is driven through the second lifting part, the supporting part serves as a supporting point, the first lifting rope 3 is pulled, the first lifting rope 3 pulls the second lifting rope 4 and the third lifting rope 5 through a connecting part 6, the second lifting rope 4 and the third lifting rope 5 drive the anchor head, the anchor pipe and the cable to be lifted, when the anchor tower is lifted to the anchor hole position, the anchor head is inserted into the anchor hole, then the first lifting rope 2 is connected with the anchor head, and meanwhile, the first lifting rope 2 is driven through the first lifting part to pull the anchor head into the.
When the lifting rope II 4 and the lifting rope III 5 are connected with the anchor pipe, the inclination angle of the anchor head can be changed by changing the connecting position of the lifting rope III 5 and changing the lengths of the lifting rope II 4 and the lifting rope III 5, so that the anchor head can conveniently enter the anchor hole.
Example 2:
referring to fig. 2: the supporting part includes support frame 7, two pairs of bracing 8 and guardrail 9, support frame 7 is the rectangle frame, 7 lower surfaces of support frame can be dismantled with 1 top of cable tower and be connected, and support frame 7 and 1 center coincidence of cable tower, and 7 both ends of support frame extend to outside 1 of cable tower, 7 lower surfaces of support frame can be dismantled respectively with 1 lateral wall face of cable tower and be connected a pair of bracing 8, 7 upper surfaces of support frame are followed to dismantle and are connected guardrail 9, the connection in support frame 7 center department can be dismantled to hoist and mount portion one, and hoist and mount portion one 2 passes support frame 7 and extend to in 1 of cable tower, hoist and mount portion two and support frame 7 lower surface connection. .
In actual use: at first, establish support frame 7 at 1 top of steel cable tower, set up guardrail 9 at support frame 7 outer edge, through being connected bracing 8 at 1 both sides face of steel cable tower and 7 lower surfaces of support frame, can increase support frame 7 both ends through bracing 8 and at the stress intensity, prevent to buckle, play and increase structural strength.
Example 3:
referring to fig. 2, the present embodiment is different in that: the first hoisting part comprises a first winch 10, the first winch 10 is detachably connected to the center of the upper surface of the support frame 7, and a first sling 2 of the first winch 10 penetrates through the support frame 7 and extends into the steel cable tower 1.
In actual use: after the anchor head enters the anchor hole, the anchor head is connected with the anchor head through the first sling 2, the first winch 10 is started to wind the first sling 2, the part, which does not enter the anchor hole, of the anchor head is dragged to enter one section, the anchor head can be dragged to carry the anchor head, and then the first sling 2 is disconnected from the anchor head.
Example 4:
referring to fig. 3, this embodiment is different from embodiment 2 in that: and a guide wheel 11 is arranged above an anchor hole in the inner wall surface of the steel cable tower 1, and the first sling 2 penetrates through the guide wheel 11.
In actual use: when the anchor head enters the anchor hole on the left side of the steel cable tower 1, the sling I2 penetrates through the guide wheel 11 above the anchor hole opposite to the anchor hole on the left side, and is connected with the anchor head, the traction direction is changed through the guide wheel 11, and the anchor head and the anchor hole can be prevented from being excessively scratched.
Example 5:
referring to fig. 2, the present embodiment is different from embodiment 1 in that: the second hoisting part comprises a second hoisting machine 12, a first pulley 13, a second pulley 14, a third pulley 15, a lifting hook 16 and a second sling 21, the second sling 21 is arranged on the second hoisting machine 12, the second hoisting machine 12 is detachably connected to one side of the steel cable tower 1, the first pulley 13 is detachably connected between the steel cable tower 1 and the second hoisting machine 12, the second pulley 14 is detachably connected to the lower surface of the support frame 7, the second pulley 14 is located on one side of an anchor hole of the steel cable tower 1, the second pulley 14 and the anchor hole are located on the same vertical plane, the third pulley 15 is arranged below the second pulley 14, the lifting hook 16 is detachably connected to the second pulley 14, the second sling 21 of the second hoisting machine 12 sequentially penetrates through the first pulley 13, the second pulley 14 and the third pulley 15 and is detachably connected with the second pulley 14, and the first sling 3 is detachably connected with the lifting hook 16.
In actual use: the second winch 12 is started, the first winch 12 winds the first sling 2, the first sling 2 changes the traction direction through the first pulley 13, the distance between the second winch 12 and the steel cable tower 1 can be changed, the second winch 12 is prevented from occupying other construction spaces, the second pulley 14 serves as a hoisting point, the third winch 15 is matched, the first winch 12 winds the first sling 2 to enable the third pulley 15 to drive the lifting hook 16 to lift, the lifting hook 16 is connected with the first lifting rope 3, the second lifting rope 4 and the third lifting rope 5 are driven to lift through the connecting piece 6, and the second lifting rope 4 and the third lifting rope 5 drive the cable to lift.
Example 6:
referring to fig. 3, the present embodiment is different from embodiment 1 in that: be equipped with a pair of regulating part on the support frame 7, the connection can be dismantled respectively in support frame 7 upper surface both sides to the regulating part, the regulation portion removal end of two 14 and homonymy of pulley can be dismantled and be connected.
The regulating part comprises an electric push rod 17, a sliding rail 18, four pulleys 19 and a U-shaped frame 20, the electric push rod 17 and the sliding rail 18 are detachably connected to the upper surface of the support frame 7, the four pulleys 19 are slidably connected to the sliding rail 18, two ends of the U-shaped frame 20 penetrate through two sides of the sliding rail 18 and two sides of the four pulleys 19 to be rotatably connected, the two pulleys 14 are detachably connected to the bottom of the U-shaped frame 20, and the driving end of the electric push rod 17 is rotatably connected with two sides of the four pulleys 19.
In actual use: and starting the electric push rod 17, wherein the driving end of the electric push rod 17 pushes the pulley IV 19 to move on the slide rail 18, the pulley IV 19 simultaneously drives the U-shaped frame 20 to move, the U-shaped frame 20 drives the pulley II 14 to move, and the distance between the inhaul cable and the steel cable tower 1 can be controlled by changing the position of the pulley II 14, so that the anchor head can be conveniently inserted into the anchor hole.
Example 7:
referring to fig. 1-3, a method for hanging a cable of a single-column type cable tower cable-stayed bridge at least comprises the cable hanging system of the single-column type cable tower cable-stayed bridge, and further comprises the following steps:
step one, a lifting rope II 4 and a lifting rope III 5 are detachably connected with a guide rope pipe;
step two, starting a second winch 12 to wind a second sling 21, matching the second sling 21 with a third pulley 15 through a first pulley 13, a second pulley 14, and the third pulley 15 to enable the third pulley 15 to drive a lifting hook 16 to ascend, and simultaneously driving a guide rope pipe, an anchor head and a steel rope to ascend through the first sling 3, a connecting piece 6, a second sling 4 and the third sling 5 by the lifting hook 16;
step three, when the anchor head is lifted to the anchor hole position, starting the electric push rod 17, driving the pulley IV 19 to move on the slide rail 18 by the electric push rod 17, driving the pulley IV 14 to move by the pulley IV 19 through the U-shaped frame 20, and adjusting the distance between the anchor head and the steel cable tower 1 by changing the position of the pulley IV 14 to drive the pulley III 15 and the lifting hook 16 so that the anchor head is inserted into the anchor hole;
step four, the first sling 2 is detachably connected with the anchor head, the first winch 10 is started, the first winch 10 winds the first sling 2, the traction direction of the first sling 2 is changed through the guide wheel 11, and the first sling 2 pulls the anchor head to completely enter the anchor hole;
and step four, positioning the anchor head through the anchor head clamping piece to complete the access hole.
Example 8:
referring to fig. 2: and step one, the lifting rope II 4 and the lifting rope III 5 are detachably connected with the guide rope pipe, and the length of the lifting rope II 4 and the length of the lifting rope III 5 are changed so as to change the angle of the anchor head inlet hole.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
Claims (9)
1. The utility model provides a single-column type cable tower cable-stay bridge suspension cable system, includes steel cable tower (1) at least, its characterized in that still includes:
the supporting part is detachably connected to the top end of the steel cable tower (1);
the first hoisting part is provided with a first sling (2), the first hoisting part is detachably connected to the center of the upper surface of the supporting part, and the first sling (2) penetrates through the supporting part and extends into the steel cable tower (1);
the hoisting parts II are respectively detachably connected with the two sides of the steel cable tower (1) and are detachably connected with the supporting parts;
the lifting part comprises a first lifting rope (3), a second lifting rope (4), a third lifting rope (5) and a connecting piece (6), one end of the first lifting rope (3), one end of the second lifting rope (4) and one end of the third lifting rope (5) are detachably connected with the connecting piece respectively, and the other end of the first lifting rope (3) is detachably connected with the second lifting part.
2. The suspension cable system of a single column type cable tower cable-stayed bridge according to claim 1, the supporting part comprises a supporting frame (7), two pairs of inclined struts (8) and a guardrail (9), the support frame (7) is a rectangular frame, the lower surface of the support frame (7) is detachably connected with the top end of the steel cable tower (1), the support frame (7) is superposed with the center of the steel cable tower (1), and both ends of the support frame (7) extend out of the steel cable tower (1), the lower surface of the support frame (7) and the side wall surface of the steel cable tower (1) are respectively detachably connected with a pair of inclined struts (8), the outer edge of the upper surface of the support frame (7) is detachably connected with a guardrail (9), the first hoisting part is detachably connected with the center of the support frame (7), and the sling I (2) penetrates through the support frame (7) and extends into the steel cable tower (1), and the hoisting part II is connected with the lower surface of the support frame (7).
3. The system of claim 2, wherein the first hoisting part comprises a first hoisting machine (10), the first hoisting machine (10) is detachably connected to the center of the upper surface of the support frame (7), and the first sling (2) of the first hoisting machine (10) passes through the support frame (7) and extends into the cable tower (1).
4. The suspension cable system of the single-column type cable tower cable-stayed bridge according to claim 3, wherein a guide wheel (11) is arranged above an anchor hole on the inner wall surface of the cable tower (1), and the first suspension cable (2) passes through the guide wheel (11).
5. The cable-stayed bridge cable-hanging system of the independent column type steel cable tower as claimed in claim 2, wherein the second hanging part comprises a second winch (12), a first pulley (13), a second pulley (14), a third pulley (15), a hook (16) and a second sling (21), the second sling (21) is arranged on the second winch (12), the second winch (12) is detachably connected to one side of the steel cable tower (1), the first pulley (13) is detachably connected between the steel cable tower (1) and the second winch (12), the second pulley (14) is detachably connected to the lower surface of the support frame (7), the second pulley (14) is arranged on one side of an anchor hole of the steel cable tower (1), the second pulley (14) and the anchor hole are arranged on the same vertical plane, the third pulley (15) is arranged below the second pulley (14), and the hook (16) is detachably connected to the second pulley (14), and a sling II (21) of the winch II (12) sequentially passes through the pulley I (13), the pulley II (14) and the pulley III (15) and is detachably connected with the pulley II (14), and the sling I (3) is detachably connected with the lifting hook (16).
6. The suspension cable system of the single-column type steel cable tower cable-stayed bridge according to claim 5, wherein the support frame (7) is provided with a pair of adjusting parts, the adjusting parts are respectively detachably connected to two sides of the upper surface of the support frame (7), and the second pulley (14) is detachably connected with the moving end of the adjusting part at the same side.
7. The suspension system of the single-column type steel cable tower cable-stayed bridge according to claim 6, wherein the adjusting part comprises an electric push rod (17), a slide rail (18), a pulley four (19) and a U-shaped frame (20), the electric push rod (17) and the slide rail (18) are detachably connected to the upper surface of the support frame (7), the pulley four (19) is slidably connected to the slide rail (18), two ends of the U-shaped frame (20) penetrate through two sides of the slide rail (18) to be rotatably connected with two sides of the pulley four (19), the pulley two (14) is detachably connected to the bottom of the U-shaped frame (20), and the driving end of the electric push rod (17) is rotatably connected with two sides of the pulley four (19).
8. A method for suspending a cable of a single column type cable tower cable-stayed bridge, at least comprising the suspension system of the single column type cable tower cable-stayed bridge of any one of claims 1 to 7, characterized by further comprising the steps of:
step one, a lifting rope II (4) and a lifting rope III (5) are detachably connected with a guide rope pipe;
step two, starting a winch II (12) to wind a sling II (21), matching the sling II (21) with a pulley III (15) through a pulley I (13), a pulley II (14) and the pulley III (15), enabling the pulley III (15) to drive a lifting hook (16) to ascend, and simultaneously driving a guide rope pipe, an anchor head and a steel rope to ascend through a lifting rope I (3), a connecting piece (6), a lifting rope II (4) and the lifting rope III (5) by the lifting hook (16);
step three, when the anchor head is lifted to the anchor hole position, starting an electric push rod (17), driving a pulley four (19) to move on a sliding rail (18) by the electric push rod (17), driving a pulley two (14) to move by the pulley four (19) through a U-shaped frame (20), and adjusting the distance between the anchor head and the steel cable tower (1) by driving a pulley three (15) and a lifting hook (16) through changing the position of the pulley two (14) so that the anchor head is inserted into the anchor hole;
step four, the first hoist (10) is started through the detachable connection of the first hoist rope (2) and the anchor head, the first hoist (10) winds the first hoist rope (2), the traction direction of the first hoist rope (2) is changed through the guide wheel (11), and the first hoist rope (2) pulls the anchor head to completely enter the anchor hole;
and step four, positioning the anchor head through the anchor head clamping piece to complete the access hole.
9. The method for suspending the cable of the single-column cable tower cable-stayed bridge according to claim 8, wherein the second suspension rope (4) and the third suspension rope (5) in the step one are detachably connected with the cable guide pipe, and the angle of the anchor head entering hole is changed by changing the lengths of the second suspension rope (4) and the third suspension rope (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598929.0A CN112575691A (en) | 2020-12-29 | 2020-12-29 | Cable hanging system and method for single-column type cable tower cable-stayed bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011598929.0A CN112575691A (en) | 2020-12-29 | 2020-12-29 | Cable hanging system and method for single-column type cable tower cable-stayed bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123240A (en) * | 2021-04-12 | 2021-07-16 | 中国建筑第八工程局有限公司 | Installation device for stay cable of special-shaped leaning tower and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2103192A1 (en) * | 1971-01-23 | 1972-12-07 | Hein, Lehmann AG, 4000 Düsseldrof | Method and device for assembling a cable |
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| CN110396931A (en) * | 2019-07-16 | 2019-11-01 | 中交第二公路工程局有限公司 | A kind of excessively cable-styled erection crane of center double plane cable stayed bridge and its construction method |
| CN214573363U (en) * | 2020-12-29 | 2021-11-02 | 中交二公局第二工程有限公司 | Cable hanging system of single-column type steel cable tower cable-stayed bridge |
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| DE2103192A1 (en) * | 1971-01-23 | 1972-12-07 | Hein, Lehmann AG, 4000 Düsseldrof | Method and device for assembling a cable |
| CN201473221U (en) * | 2009-08-28 | 2010-05-19 | 中国第一冶金建设有限责任公司 | Light cable crane for suspension bridge |
| CN102444086A (en) * | 2011-10-14 | 2012-05-09 | 中铁大桥局股份有限公司 | Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113123240A (en) * | 2021-04-12 | 2021-07-16 | 中国建筑第八工程局有限公司 | Installation device for stay cable of special-shaped leaning tower and construction method thereof |
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