CN112575691B - Single-column cable tower cable-stayed bridge cable hanging system and method - Google Patents
Single-column cable tower cable-stayed bridge cable hanging system and method Download PDFInfo
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- CN112575691B CN112575691B CN202011598929.0A CN202011598929A CN112575691B CN 112575691 B CN112575691 B CN 112575691B CN 202011598929 A CN202011598929 A CN 202011598929A CN 112575691 B CN112575691 B CN 112575691B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 239000000725 suspension Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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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 single-column cable tower cable-stayed bridge cable hanging system and method, at least comprising a cable tower and further comprising: the support part is detachably connected to the top end of the steel cable tower; the first lifting part is provided with a sling I, the first lifting part is detachably connected to the center of the upper surface of the supporting part, and the sling I penetrates through the supporting part and extends into the steel cable tower; the second hoisting part is detachably connected with the second hoisting part and the supporting part respectively and positioned at two sides of the steel cable tower; the invention adopts the winch, thereby effectively solving the traditional mode of needing hanging ropes of the crane, further reducing the difficulty of constructing the crane and improving the construction efficiency. The electric push rod pushes the pulley to slide, so that the distance between the anchor head and the steel cable tower can be adjusted, and a worker is not required to pull and control the distance through a rope.
Description
Technical Field
The invention relates to the field of building construction, in particular to a single-column cable tower cable-stayed bridge cable hanging system and method.
Background
In the general large-span steel box girder stay cable installation process, one way is to use a tower crane to hoist the stay cable, the way makes the tower crane which is closed up and is returned to the ground continuously complete the next sub-project, so that the equipment use cost is increased, the equipment is not economical, meanwhile, the equipment is easily influenced by wind speed and does not have safety, the other way is to use a traditional jacking bracket, but the equipment is not applicable to a single-column steel cable tower stay cable hanging cable, and compared with the cable hanging equipment, the equipment occupies more top space and the safety risk is improved. In order to ensure the construction of the single-column steel cable tower cable-stayed bridge with high quality, high efficiency and high standard. A reasonable and effective single-column cable-stayed bridge cable hanging device for the steel cable towers is particularly important. If the design is unreasonable, a series of problems such as construction period delay, construction quality, safety and the like can be caused.
Disclosure of Invention
The invention provides a single-column type steel cable tower cable-stayed bridge cable hanging system and a method, which solve the problem that the installation of a tower crane is difficult, and realize the installation of a stay cable and a steel cable tower by matching a supporting frame with a winch.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
a single-column cable tower cable-stayed bridge suspension system at least comprising a cable tower, further comprising:
the support part is detachably connected to the top end of the steel cable tower;
The first lifting part is provided with a sling I, the first lifting part is detachably connected to the center of the upper surface of the supporting part, and the sling I penetrates through the supporting part and extends into the steel cable tower;
the second hoisting part is detachably connected with the second hoisting part and the supporting part respectively and positioned at two sides of the steel cable tower;
The lifting part comprises a lifting rope I, a lifting rope II, a lifting rope III and a connecting piece, one ends of the lifting rope I, the lifting rope II and the lifting rope III are respectively detachably connected with the connecting piece, the other ends of the lifting rope I and the lifting part II are detachably connected, and the other ends of the lifting rope II and the lifting rope III are used for connecting an object to be lifted;
The supporting part comprises a supporting frame, two pairs of inclined struts and guardrails, wherein the supporting frame is a rectangular frame, the lower surface of the supporting frame is detachably connected with the top end of the steel rope tower, the supporting frame is overlapped with the center of the steel rope tower, two ends of the supporting frame extend out of the steel rope tower, the lower surface of the supporting frame is detachably connected with the pair of inclined struts respectively, the outer edge of the upper surface of the supporting frame is detachably connected with the guardrails, the first hoisting part is detachably connected with the center of the supporting frame, the first sling penetrates through the supporting frame and extends into the steel rope tower, and the second hoisting part is connected with the lower surface of the supporting frame;
the first hoisting part comprises a first hoisting machine which is detachably connected to the center of the upper surface of the support frame, and a first sling of the first hoisting machine penetrates through the support frame and extends into the steel rope tower;
The hoisting part II comprises a hoisting machine II, a pulley I, a pulley II, a pulley III, a lifting hook and a sling II, wherein the sling II is arranged on the hoisting machine II, the hoisting machine II is detachably connected to one side of a steel rope tower, the pulley I is detachably connected between the steel rope tower and the hoisting machine II, the pulley II is detachably connected to the lower surface of the support frame, the pulley II is positioned on one side of an anchor hole of the steel rope tower, the pulley II and the anchor hole are positioned on the same vertical plane, the pulley III is arranged below the pulley II, the lifting hook is detachably connected to the pulley II, and the sling II of the hoisting machine II sequentially penetrates through the pulley I, the pulley II and the pulley III and is detachably connected with the pulley II, and the lifting rope I is detachably connected with the lifting hook.
Further, a guiding wheel is arranged above the anchor hole of the inner wall surface of the steel cable tower, and the sling I passes through the guiding wheel.
Further, a pair of adjusting parts are arranged on the supporting frame, the adjusting parts are detachably connected to two sides of the upper surface of the supporting frame respectively, and the second pulley is detachably connected with the moving end of the adjusting part on the same side.
Further, the adjusting part comprises an electric push rod, a sliding rail, a pulley IV and a U-shaped frame, the electric push rod and the sliding rail are detachably connected to the upper surface of the supporting frame, the pulley IV is slidably connected to the sliding rail, two ends of the U-shaped frame penetrate through two sides of the sliding rail and are rotatably connected with four sides of the pulley IV, the pulley II is detachably connected to the bottom of the U-shaped frame, and the driving end of the electric push rod is rotatably connected with four sides of the pulley IV.
The single-column type steel cable tower cable-stayed bridge cable hanging method at least comprises the single-column type steel cable tower cable-stayed bridge cable hanging system, and further comprises the following steps:
Step one, the lifting rope II and the lifting rope III are detachably connected with a rope guiding pipe;
Step two, starting a winch II to wind a sling II, wherein the sling II is matched with the pulley I, the pulley II and the pulley III, so that the pulley III drives the lifting hook to ascend, and meanwhile, the lifting hook drives the rope guiding pipe, the anchor head and the steel rope to ascend through the lifting rope I, the connecting piece, the lifting rope II and the lifting rope III;
Step three, when the anchor hole is lifted to the position of the anchor hole, starting an electric push rod, driving a pulley IV to move on a sliding rail, driving a pulley II to move through a U-shaped frame, driving a pulley III and a lifting hook to adjust the distance between the anchor head and a steel rope tower through changing the position of the pulley II, and enabling the anchor head to be inserted into the anchor hole;
step four, a winch I is started through detachable connection of a sling I and an anchor head, the winch I winds the sling I, the traction direction of the sling I is changed through a guide wheel, and the sling I pulls the anchor head into an anchor hole completely;
and fourthly, positioning the anchor head through the anchor head clamping piece to finish the access hole.
Further, the second lifting rope and the third lifting rope are detachably connected with the rope guiding pipe, and the angle of the anchor head hole is changed by changing the lengths of the second lifting rope and the third lifting rope.
The beneficial effects of the invention are as follows: due to the adoption of the winch, the traditional mode that a hanging rope of the crane is needed is effectively solved, the difficulty of building the crane is further reduced, and the construction efficiency is improved.
The electric push rod pushes the pulley to slide, so that the distance between the anchor head and the steel cable tower can be adjusted, and a worker is not required to pull and control the distance through a rope.
The traction direction of the sling I is changed through the guide wheel, so that the problem that the anchor head is excessively scratched with the anchor hole when the winch I is pulled vertically is effectively solved.
The support part is built at the top of the steel cable tower to serve as a support point, and the construction can be completed through site materials, so that the rest of construction space is not occupied.
Drawings
The invention will be further described with reference to the drawings 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 structure of the adjusting part and the guide wheel of the present invention.
In the figure: 1-a steel cable tower; 2-sling one; 3-hanging rope I; 4-a hanging rope II; 5-lifting rope III; a 6-connector; 7-supporting frames; 8-diagonal bracing; 9-guard rails; 10-a winch I; 11-guiding wheels; 12-a second winch; 13-pulley one; 14-pulley II; 15-pulley III; 16-lifting hook; 17-an electric push rod; 18-sliding rails; 19-pulley IV; 20-U-shaped frames; 21-second sling.
Detailed Description
Example 1:
referring to fig. 1, which is a schematic structural diagram of embodiment 1 of the present invention, a cable-stayed bridge cable-hanging system of a single-column cable pylon at least includes a cable pylon 1, and is characterized in that the cable-hanging system further 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 sling I2, the first hoisting part is detachably connected to the center of the upper surface of the supporting part, and the sling I2 penetrates through the supporting part and extends into the steel rope tower 1;
the second hoisting part is detachably connected with the second hoisting part and the supporting part respectively at two sides of the steel cable tower 1;
The lifting part comprises a lifting rope I3, a lifting rope II 4, a lifting rope III 5 and a connecting piece 6, one ends of the lifting rope I3, the lifting rope II 4 and the lifting rope III 5 are respectively detachably connected with the connecting piece, the other end of the lifting rope I3 is detachably connected with the lifting part II, and the other ends of the lifting rope II 4 and the lifting rope III 5 are used for connecting objects to be lifted.
When in actual use, the method comprises the following steps: the second lifting rope 4 and the third lifting rope 5 are connected with the anchor pipe, the connecting part of the second lifting rope 4 is positioned at the connecting part of the anchor head and the anchor pipe, the third lifting rope 5 is connected at the connecting part of the anchor pipe and the inhaul cable, the second lifting rope 21 is driven by the second lifting part, the first lifting rope 3 is pulled by taking the supporting part as a supporting point, the second lifting rope 4 and the third lifting rope 5 are pulled by the first lifting rope 3 through the connecting piece 6, the second lifting rope 4 and the third lifting rope 5 drive the anchor head, the anchor pipe and the inhaul cable to be lifted, when the anchor head is lifted to the position of the anchor hole, the anchor head is inserted into the anchor hole, then the first lifting rope 2 is connected with the anchor head, meanwhile the first lifting rope 2 is driven by the first lifting part, the anchor head is pulled into the steel rope tower 1, and then fastening is carried out.
When the second lifting rope 4 and the third lifting rope 5 are connected with the anchor pipe, the inclination angle of the anchor head can be changed by changing the connection position of the third lifting rope 5 and the length of the second lifting rope 4 and the third lifting rope 5, so that the anchor head can conveniently enter the anchor hole.
Example 2:
Referring to fig. 2: the supporting part comprises a supporting frame 7, two pairs of diagonal braces 8 and guardrails 9, the supporting frame 7 is a rectangular frame, the lower surface of the supporting frame 7 is detachably connected with the top end of the steel rope tower 1, the supporting frame 7 coincides with the center of the steel rope tower 1, two ends of the supporting frame 7 extend out of the steel rope tower 1, the lower surface of the supporting frame 7 is detachably connected with a pair of diagonal braces 8 respectively with the side wall surface of the steel rope tower 1, the guardrail 9 is detachably connected with the outer edge of the upper surface of the supporting frame 7, the first lifting part is detachably connected with the center of the supporting frame 7, the first lifting rope 2 penetrates through the supporting frame 7 and extends into the steel rope tower 1, and the second lifting part is connected with the lower surface of the supporting frame 7. .
When in actual use, the method comprises the following steps: firstly, a support frame 7 is built at the top end of the steel rope tower 1, a guardrail 9 is arranged at the outer edge of the support frame 7, diagonal bracing 8 is connected with the lower surface of the support frame 7 through two side surfaces of the steel rope tower 1, the stress intensity at two ends of the support frame 7 can be increased through the diagonal bracing 8, bending is prevented, and the structural strength is increased.
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 rope tower 1.
When in actual use, the method comprises the following steps: after the anchor head enters the anchor hole, the anchor head is connected with the anchor head through the sling I2, the winch I10 is started to wind the sling I2, the part of the anchor head which does not enter the anchor hole is pulled to enter a section, so that the anchor head can be pulled to be carried on the anchor head, and then the connection between the sling I2 and the anchor head is disconnected.
Example 4:
compared with embodiment 2, referring to fig. 3, this embodiment is different in that: the guide wheel 11 is arranged above the anchor hole on the inner wall surface of the steel rope tower 1, and the first sling 2 passes through the guide wheel 11.
When in actual use, the method comprises the following steps: when the anchor head enters the position of the anchor hole on the left side of the steel cable tower 1, the first sling 2 passes 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, so that excessive scratch and rubbing of the anchor head and the anchor hole can be avoided.
Example 5:
Compared with embodiment 1, referring to fig. 2, this embodiment is different in that: the hoisting part II comprises a hoisting machine II 12, a pulley I13, a pulley II 14, a pulley III 15, a lifting hook 16 and a sling II 21, wherein the sling II 21 is arranged on the hoisting machine II 12, the hoisting machine II 12 is detachably connected to one side of the steel rope tower 1, the pulley I13 is detachably connected between the steel rope tower 1 and the hoisting machine II 12, the pulley II 14 is detachably connected to the lower surface of the support frame 7, the pulley II 14 is positioned on one side of an anchor hole of the steel rope tower 1, the pulley II 14 and the anchor hole are positioned on the same vertical plane, the pulley III 15 is arranged below the pulley II 14, the lifting hook 16 is detachably connected to the pulley II 14, the sling II 21 of the hoisting machine II 12 sequentially penetrates through the pulley I13, the pulley II 14 and the pulley III 15 and is detachably connected with the pulley II 14, and the lifting rope I3 is detachably connected with the lifting hook 16.
When in actual use, the method comprises the following steps: the second hoist 12 is started, the second hoist 12 winds the first hoist rope 2, the first hoist rope 2 changes the traction direction through the first pulley 13, the distance between the second hoist 12 and the steel rope tower 1 can be changed, the second hoist 12 is prevented from occupying other construction space, the second hoist 12 is used as a lifting point, the third hoist rope 2 is matched with the third hoist pulley 15, the third hoist 12 winds the first hoist rope 2, the third hoist pulley 15 drives the lifting hook 16 to lift, the lifting hook 16 is connected with the first hoist rope 3, the second hoist rope 4 and the third hoist rope 5 are driven to lift through the connecting piece 6, and the second hoist rope 4 and the third hoist rope 5 drive the inhaul cable to lift.
Example 6:
Compared with embodiment 1, referring to fig. 3, this embodiment is different in that: 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 on the same side.
The adjusting part comprises an electric push rod 17, a sliding rail 18, a pulley IV 19 and a U-shaped frame 20, wherein the electric push rod 17 and the sliding rail 18 are detachably connected to the upper surface of the supporting frame 7, the pulley IV 19 is 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 are rotatably connected with two sides of the pulley IV 19, the pulley II 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 IV 19.
When in actual use, the method comprises the following steps: the electric push rod 17 is started, the driving end of the electric push rod 17 pushes the pulley IV 19 to move on the sliding rail 18, the pulley IV 19 also drives the U-shaped frame 20 to move, the U-shaped frame 20 drives the pulley II 14 to move, the distance between the inhaul cable and the steel cable tower 1 can be controlled by changing the position of the pulley II 14, and the anchor head is convenient to insert into the anchor hole.
Example 7:
Referring to fig. 1-3, a single-column cable-stayed bridge cable hanging method at least comprises the single-column cable-stayed bridge cable hanging system, and further comprises the following steps:
step one, the lifting rope II 4 and the lifting rope III 5 are detachably connected with a rope guiding pipe;
Step two, starting a winch II12 to wind a sling II 21, wherein the sling II 21 is matched with a pulley III 15 through a pulley I13, a pulley II 14, and a pulley III 15, so that the pulley III 15 drives a lifting hook 16 to ascend, and simultaneously the lifting hook 16 drives a rope guiding pipe, an anchor head and a steel rope to ascend through a lifting rope I3, a connecting piece 6, a lifting rope II 4 and a lifting rope III 5;
Step three, when the anchor hole is lifted to the position of the anchor hole, starting an electric push rod 17, driving a pulley IV 19 to move on a sliding rail 18 by the electric push rod 17, driving a pulley II 14 to move by the pulley IV 19 through a U-shaped frame 20, and adjusting the distance between the anchor head and a steel cable tower 1 by changing the position of the pulley II 14 to drive a pulley III 15 and a lifting hook 16, so that the anchor head is inserted into the anchor hole;
Step four, the first hoist 10 is started through detachable connection of the first sling 2 and the anchor head, the first hoist 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 into the anchor hole completely;
and fourthly, positioning the anchor head through the anchor head clamping piece to finish 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 rope guiding pipe, and the angle of the anchor head hole is changed by changing the lengths of the lifting rope II 4 and the lifting rope III 5.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present invention, which is within the scope of the present invention.
Claims (6)
1. A single-column cable tower cable-stayed bridge suspension system, at least comprising a cable tower (1), characterized in that it further comprises:
the supporting part is detachably connected to the top end of the steel cable tower (1);
The first lifting part is provided with a first sling (2), and the first lifting 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 second hoisting part is detachably connected with the second hoisting part and the supporting part respectively at two sides of the steel cable tower (1);
The lifting part comprises a lifting rope I (3), a lifting rope II (4), a lifting rope III (5) and a connecting piece (6), wherein one ends of the lifting rope I (3), the lifting rope II (4) and the lifting rope III (5) are respectively detachably connected with the connecting piece, the other end of the lifting rope I (3) is detachably connected with the lifting part II, and the other ends of the lifting rope II (4) and the lifting rope III (5) are used for connecting an object to be lifted;
The supporting part comprises a supporting frame (7), two pairs of inclined struts (8) and guardrails (9), the supporting frame (7) is a rectangular frame, the lower surface of the supporting frame (7) is detachably connected with the top end of the steel cable tower (1), the supporting frame (7) is coincident with the center of the steel cable tower (1), two ends of the supporting frame (7) extend out of the steel cable tower (1), the lower surface of the supporting frame (7) is detachably connected with a pair of inclined struts (8) respectively with the side wall surface of the steel cable tower (1), the outer edge of the upper surface of the supporting frame (7) is detachably connected with the guardrails (9), the first lifting part is detachably connected to the center of the supporting frame (7), the first lifting rope (2) penetrates through the supporting frame (7) to extend into the steel cable tower (1), and the second lifting part is connected with the lower surface of the supporting frame (7);
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 a first sling (2) of the first hoisting machine (10) penetrates through the support frame (7) and extends into the steel rope tower (1);
hoist and mount portion two include hoist engine two (12), pulley one (13), pulley two (14), pulley three (15), lifting hook (16) and hoist cable two (21), hoist cable two (21) set up on hoist engine two (12), hoist engine two (12) can dismantle and connect in cable wire tower (1) one side, pulley one (13) can dismantle and connect between cable wire tower (1) and hoist engine two (12), pulley two (14) can dismantle and connect at support frame (7) lower surface, and pulley two (14) are located one side of cable wire tower (1) anchor eye, and pulley two (14) are located same vertically plane with the anchor eye, pulley three (15) set up in the below of pulley two (14), can dismantle on pulley two (14) and be connected with lifting hook (16), hoist cable two (21) of hoist engine two (12) pass pulley one (13), pulley two (14) and pulley three (15) in proper order to can dismantle with pulley two (14) and be connected, hoist cable (3) can dismantle with lifting hook (16).
2. A single-column cable tower cable-stayed bridge suspension system according to claim 1, characterized in that a guiding wheel (11) is arranged above the anchor hole of the inner wall surface of the cable tower (1), and the sling one (2) passes through the guiding wheel (11).
3. The single-column cable tower cable-stayed bridge suspension system according to claim 1, wherein the support frame (7) is provided with a pair of adjusting parts, the adjusting parts are detachably connected to two sides of the upper surface of the support frame (7), and the pulley II (14) is detachably connected with the moving end of the adjusting part on the same side.
4. A single-column cable-stayed bridge suspension system according to claim 3, characterized in that the adjusting part comprises an electric push rod (17), a sliding rail (18), a pulley IV (19) and a U-shaped frame (20), wherein the electric push rod (17) and the sliding rail (18) are detachably connected to the upper surface of the supporting frame (7), the pulley IV (19) is 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 are rotatably connected with two sides of the pulley IV (19), the pulley II (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 IV (19).
5. A method for hanging cables of a single-column cable tower cable-stayed bridge, at least comprising a single-column cable tower cable-stayed bridge hanging system as claimed in any one of claims 1-4, characterized by further comprising the following steps:
step one, the lifting rope II (4) and the lifting rope III (5) are detachably connected with a rope guiding pipe;
Step two, starting a winch II (12) to wind a sling II (21), wherein the sling II (21) is matched with a pulley III (15) through a pulley I (13), a pulley II (14) and a pulley III (15), so that the pulley III (15) drives a lifting hook (16) to lift, and meanwhile, the lifting hook (16) drives a rope guiding pipe, an anchor head and a steel cable to lift through a lifting rope I (3), a connecting piece (6), a lifting rope II (4) and a lifting rope III (5);
step three, when the anchor hole is lifted to the position of the anchor hole, an electric push rod (17) is started, the electric push rod (17) drives a pulley IV (19) to move on a sliding rail (18), the pulley IV (19) drives a pulley II (14) to move through a U-shaped frame (20), and the position of the pulley II (14) is changed to drive a pulley III (15) and a lifting hook (16) to adjust the distance between the anchor head and the steel rope tower (1), 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 fourthly, positioning the anchor head through the anchor head clamping piece to finish the access hole.
6. The method for hanging cables of a single-column cable tower cable-stayed bridge according to claim 5, wherein in the step one, the second hanging rope (4) and the third hanging rope (5) are detachably connected with the cable guiding pipe, and the angle of the anchor head hole is changed by changing the lengths of the second hanging rope (4) and the third hanging rope (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598929.0A CN112575691B (en) | 2020-12-29 | 2020-12-29 | Single-column cable tower cable-stayed bridge cable hanging system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598929.0A CN112575691B (en) | 2020-12-29 | 2020-12-29 | Single-column cable tower cable-stayed bridge cable hanging system and method |
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| CN112575691A CN112575691A (en) | 2021-03-30 |
| CN112575691B true CN112575691B (en) | 2024-05-31 |
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