CN114635320A - Method for laying and tensioning bearing cable - Google Patents

Method for laying and tensioning bearing cable Download PDF

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Publication number
CN114635320A
CN114635320A CN202210131789.9A CN202210131789A CN114635320A CN 114635320 A CN114635320 A CN 114635320A CN 202210131789 A CN202210131789 A CN 202210131789A CN 114635320 A CN114635320 A CN 114635320A
Authority
CN
China
Prior art keywords
rope
bearing
cable
diameter
laying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210131789.9A
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Chinese (zh)
Inventor
陈文韬
郑帅
薛金涛
王向远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Urban Construction Group Co Ltd
Original Assignee
Beijing Urban Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Urban Construction Group Co Ltd filed Critical Beijing Urban Construction Group Co Ltd
Priority to CN202210131789.9A priority Critical patent/CN114635320A/en
Publication of CN114635320A publication Critical patent/CN114635320A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/16Tracks for aerial rope railways with a stationary rope
    • E01B25/18Ropes; Supports, fastening or straining means for ropes
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00General structure of permanent way

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention discloses a method for laying and tensioning a bearing cable, which comprises the following steps: s1, pulling the rope outlet end by using a 5T traction winch, and connecting the rope heads of the bearing ropes with the diameters of 22mm and 36mm in a clamping manner by using a rope clamp; s2, locking and fixing the rope head of the carrier rope with the diameter of 36mm pulled to the temporary cargo rope upper station and the reserved anchor rope of the carrier rope by using a rope clip; s3, lifting the carrying cable to a movable saddle on the support through a motorized winching along the temporary strongpoint support to be properly placed; s4, fixing a bearing cable (30 m away from the lower station cargo cable ground anchor) by a cable clamp by using a steel cable sleeve with the diameter of 22; s5, reversely opening, twisting and grinding; the method lays and tensions the bearing cable, so that the construction process is streamlined, the bearing cable which is not fixed in the method is more stable and safer, and the method is favorable for popularization.

Description

Method for laying and tensioning bearing cable
Technical Field
The invention relates to the technical field of construction of a bearing cable, in particular to a method for laying and tensioning the bearing cable.
Background
The bearing cable is a steel wire rope used as a running track of a transport vehicle in the aerial cableway. The outer layer of the sealed steel wire rope is formed into a smooth and compact cylindrical surface by Z-shaped wires, the core part is a common circular wire, and the Z-shaped wires and the trapezoidal wires which are arranged between the outer layer and the core part as the middle layer can be in a layer or multiple layers or not arranged between the outer layer and the core part. The sealing steel wire rope also comprises a phosphating coating steel wire rope, a galvanized steel wire rope, a stainless steel wire rope and a smooth steel wire rope according to the surface state of the steel wire rope.
However, the traditional construction method is still adopted aiming at the laying and tensioning method of the bearing cable, the flow is insufficient in the actual construction process, the efficiency of field construction is low, potential safety hazards exist to a certain extent, and the stable and rapid propulsion of the project is not facilitated.
Therefore, it is necessary to provide a method for laying and tensioning a load-bearing cable to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a method for laying and tensioning a bearing cable, which aims to solve the problems that the traditional construction method is adopted for the laying and tensioning method of the bearing cable in the prior art, the efficiency of field construction is low due to insufficient flow in the actual construction process, potential safety hazards exist to a certain extent, and the stable and rapid propulsion of the engineering is not facilitated.
Based on the above thought, the invention provides the following technical scheme: the method comprises the following steps:
and S1, pulling the rope outlet end by using a 5T traction winch, and clamping and connecting the rope heads of the bearing ropes with the diameters of 22mm and 36mm by using a rope clamp.
And S2, locking and fixing the rope head of the carrying rope with the diameter of 36mm, which is pulled to the temporary cargo rope upper station, with the reserved anchor rope of the carrying rope by using a rope clip.
And S3, lifting the carrying cable to a movable saddle on the support by a motorized winching machine along the temporary strongpoint support to be properly placed.
S4, fixing the bearing rope (30 m away from the lower cargo rope anchor) with a rope clip by using a steel wire rope sleeve with the diameter of 22.
And S5, reversely opening the winch, taking down the working rope with the diameter of 22 and sleeved on the clamping plate, and taking down the clamping plate until the laying of the bearing rope is finished.
As a further scheme of the invention:
as a further scheme of the invention: the traction winch is started by utilizing a 5T traction winch and a formed traction rope loop with the diameter of 22mm to pull the bearing rope to a temporary cargo rope upper station.
As a further scheme of the invention: after all the bearing cables are put on the support to move the saddle, one end of a tail rope with the diameter of 36mm of the bearing cable of the temporary cableway is fixed on the main ground anchor at the lower station of the temporary cargo cable.
As a further scheme of the invention: the end of a 22-diameter steel wire rope sleeve is fixed by a snap ring through a 5T double-wheel pulley, and after the double-wheel pulley block is threaded and fixed by an anti-rotating device, the bearing rope is pre-tensioned by a fixed lifting winch or a 3T motorized winch.
As a further scheme of the invention: the rope is fixed on the bearing rope through a steel rope splint with the diameter of 36, the tail end of a working rope with the diameter of 22 passes through an H50 multiplied by 10D pulley block, the splint is sleeved and fixed by an iron wire, and the rope runs through the pulley block in sequence and is fixed with the pulley block by adding an anti-rotation device.
As a further scheme of the invention: in the whole process, two persons are respectively responsible for commanding the temporary goods cable to get on or off the station, a plurality of persons are arranged along the line to be responsible for checking according to the line condition, and an experienced person is arranged to move along the rope end application direction so as to observe the clamping condition of the traction cable with the diameter of 22mm and the bearing cable with the diameter of 36mm in time.
Compared with the prior art, the invention has the following beneficial effects: by the method, the bearing cable is laid and tensioned, on one hand, the construction process is streamlined, and in the actual operation process, the whole process is orderly, the bearing cable which is not fixed in the mode is more stable, the safety is higher, and the method is favorable for popularization.
Detailed Description
A method for laying and tensioning a load-bearing rope comprises the following specific steps,
1. and (3) dragging the rope outlet end by using a 5T traction winch, clamping and connecting the rope heads of the bearing ropes with the diameters of 22mm and 36mm by using a rope clamp, driving by using the 5T traction winch and a formed traction rope loop with the diameter of 22mm, starting the traction winch, and dragging the bearing ropes to the temporary goods rope upper station.
The winch is similar to a winch and is a simple vehicle, a motor is used for driving a cable to move, special staff guard and signal emission are provided at the starting point and the ending point of the winch, after the signals of the two parties are determined, a winch room worker starts the motor cable to drive the winch, and the angle of the winch is generally within 45 degrees, namely a slope puller or a material.
2. The rope head of the bearing rope with the diameter of 36mm which is pulled to the temporary cargo rope upper station is locked and fixed with the reserved bearing rope anchor rope by a rope clip.
In the actual construction process, when the bearing rope on the temporary cargo rope loading station is transported to the end of the bearing rope anchor rope, the bearing rope and the bearing rope anchor rope can be directly processed and connected with each other through the rope clamp, the use efficiency can be obviously improved, and the bearing rope anchor rope can be conveniently and quickly fixedly connected on site.
3. After the temporary cable is anchored at the upper station, the temporary cable support is lifted to a movable saddle on the support through a motorized winch along the line to be properly placed, and after all the cables are placed on the movable saddle of the support, one end of a tail rope with the diameter of 36mm of the temporary cableway cable is fixed on a main ground anchor at the lower station of the temporary cable.
4. The diameter 22 steel wire rope sleeve and the bearing rope (the position 30 meters away from a lower station cargo rope ground anchor) are fixed by a rope clamp, a 5T double-wheel pulley is fixed at the tail end of the diameter 22 steel wire rope sleeve by a clamp ring, the double-wheel pulley block is wound in a penetrating way and is fixed by an anti-rotating device, and then the bearing rope is pre-tensioned by a fixed lifting winch or a 3T motor winch.
Erecting a working platform at a position 30 meters in the up-station direction of a temporary goods cable ground anchor below a bearing cable, fixing a steel rope clamping plate with the diameter of 36 on the bearing cable, penetrating a working rope tail end with the diameter of 22 through an H50X 10D pulley block, sleeving the clamping plate and fixing the clamping plate by using an iron wire, sequentially penetrating and winding a running rope of the pulley block and fixing a rotation preventer and the pulley block, winding 5 circles at the tail end of the running rope on a 3T winch, manually pulling the tail end of the running rope to slowly start the 3T winch to tension, observing the arc sag of the bearing cable in the middle of the maximum span, stopping when the design requirement is met, and anchoring the tail end of the bearing cable on a main anchor of the temporary goods cable (the anchoring method is the same as the second step)
5. And reversely opening the winch, taking down the working rope with the diameter of 22 and sleeved on the clamping plate, and taking down the clamping plate until the laying of the bearing rope is finished.
6. In the whole process, two persons are respectively responsible for commanding the temporary goods cable to get on and off the station, a plurality of persons are responsible for checking the line according to the line condition, an experienced person is arranged to move along the rope head application direction so as to observe the clamping condition of the traction cable with the diameter of 22mm and the bearing cable with the diameter of 36mm in time, key workers are provided with interphones, smooth communication is achieved, communication is in time, the operation is required to be stopped when problems are found, and the next step is carried out after the problems are treated.
7. When the step of dismantling the bearing cable is carried out, the steps 1 to 6 are reversed.
The method lays and tensions the bearing cable, so that the construction process is streamlined, the bearing cable which is not fixed in the method is more stable and safer, and the method is favorable for popularization.
In summary, the method for laying and tensioning the load-bearing rope is mainly characterized in that a 5T traction winch and a formed 22 mm-diameter traction rope loop are used for driving, the traction winch is started, the load-bearing rope is pulled to a temporary load-bearing rope upper station, then a load-bearing rope head with the diameter of 36mm pulled to the temporary load-bearing rope upper station is locked and fixed with a reserved load-bearing rope anchor rope by a rope clamp, one end of a tail rope with the diameter of 36mm of the temporary cableway load-bearing rope is fixed on a main ground anchor at a temporary load-bearing rope lower station, the load-bearing rope (30 meters away from the lower station load-bearing rope ground anchor) is fixed by a diameter 22 steel wire rope sleeve by the rope clamp, a 5T double-wheel pulley is fixed at the tail end of the diameter 22 steel wire rope sleeve by a snap ring, a double-wheel pulley block is wound and fixed by an anti-rotation device, a fixed lifting winch or a 3T motorized grinding rope is used for pre-tensioning the load-bearing rope, a working platform is erected at a position of 30 meters above the temporary load-bearing rope ground anchor below the load-bearing rope, the diameter of the steel rope clamping plate of 36 is fixed on the bearing cable, the tail end of a working rope of 22 diameter penetrates through an H50 multiplied by 10D pulley block, the clamping plate is sleeved and fixed by an iron wire, the rope runs around the pulley block in sequence, and an anti-rotation device is added to be fixed with the pulley block.

Claims (6)

1. A method for laying and tensioning a load bearing cable is characterized by comprising the following steps:
s1, dragging the rope outlet end by using a 5T traction winch, and connecting rope heads of the bearing ropes with the diameters of 22mm and 36mm in a clamping manner by using rope clamps;
s2, locking and fixing the rope head of the bearing rope with the diameter of 36mm pulled to the temporary cargo rope upper station with the reserved anchor rope of the bearing rope by using a rope clip;
s3, lifting the carrying cable to a movable saddle on the support through a motorized winching along the temporary strongpoint support to be properly placed;
s4, fixing the bearing rope with a 22-diameter steel wire rope sleeve by using a rope clamp;
and S5, reversely opening the winch, taking down the working rope with the diameter of 22 and sleeved on the clamping plate, and taking down the clamping plate until the laying of the bearing rope is finished.
2. A method of laying and tensioning a load carrying cable as claimed in claim 1, wherein: the traction winch is started by utilizing a 5T traction winch and a formed traction rope loop with the diameter of 22mm to pull the bearing rope to a temporary cargo rope upper station.
3. A method of laying and tensioning a load carrying cable as claimed in claim 2, wherein: after the support is placed on all the bearing cables to move the saddle, one end of a tail rope with the diameter of 36mm of the bearing cable of the temporary cableway is fixed on the main ground anchor when the temporary cargo cable is in a lower station.
4. A method of laying and tensioning a load carrying cable as claimed in claim 1, wherein: the end of a 22-diameter steel wire rope sleeve is fixed by a snap ring through a 5T double-wheel pulley, and after the double-wheel pulley block is threaded and fixed by an anti-rotating device, the bearing rope is pre-tensioned by a fixed lifting winch or a 3T motorized winch.
5. A method of laying and tensioning a load carrying cable as claimed in claim 1, wherein: the rope is fixed on the bearing rope through a steel rope splint with the diameter of 36, the tail end of a working rope with the diameter of 22 passes through an H50 multiplied by 10D pulley block, the splint is sleeved and fixed by an iron wire, and the rope runs through the pulley block in sequence and is fixed with the pulley block by adding an anti-rotation device.
6. A method of laying and tensioning a load carrying cable as claimed in claim 1, wherein: in the whole process, two persons are respectively responsible for commanding temporary goods cables to get on and off the station, a plurality of persons are arranged along the line to be responsible for checking according to the line condition, and an experienced person is arranged to move along the rope end laying direction so as to observe the clamping condition of a traction cable with the diameter of 22mm and a bearing cable with the diameter of 36mm in time.
CN202210131789.9A 2022-02-14 2022-02-14 Method for laying and tensioning bearing cable Pending CN114635320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210131789.9A CN114635320A (en) 2022-02-14 2022-02-14 Method for laying and tensioning bearing cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210131789.9A CN114635320A (en) 2022-02-14 2022-02-14 Method for laying and tensioning bearing cable

Publications (1)

Publication Number Publication Date
CN114635320A true CN114635320A (en) 2022-06-17

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ID=81946525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210131789.9A Pending CN114635320A (en) 2022-02-14 2022-02-14 Method for laying and tensioning bearing cable

Country Status (1)

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CN (1) CN114635320A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106044579A (en) * 2016-08-01 2016-10-26 长江勘测规划设计研究有限责任公司 Structure and method for assisting traction skyline to cross river by cable crane traveling trolley
CN109554968A (en) * 2019-01-14 2019-04-02 中国十七冶集团有限公司 The device and its construction method of the carrying rope laying of aerial cableway

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106044579A (en) * 2016-08-01 2016-10-26 长江勘测规划设计研究有限责任公司 Structure and method for assisting traction skyline to cross river by cable crane traveling trolley
CN109554968A (en) * 2019-01-14 2019-04-02 中国十七冶集团有限公司 The device and its construction method of the carrying rope laying of aerial cableway

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Application publication date: 20220617

RJ01 Rejection of invention patent application after publication