CN110077967B - Cable crane cableway system installation construction method - Google Patents

Cable crane cableway system installation construction method Download PDF

Info

Publication number
CN110077967B
CN110077967B CN201910375719.6A CN201910375719A CN110077967B CN 110077967 B CN110077967 B CN 110077967B CN 201910375719 A CN201910375719 A CN 201910375719A CN 110077967 B CN110077967 B CN 110077967B
Authority
CN
China
Prior art keywords
rope
main
dragging
cable
reciprocating
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.)
Active
Application number
CN201910375719.6A
Other languages
Chinese (zh)
Other versions
CN110077967A (en
Inventor
宁德奎
范道林
黄艳梅
简易成
张巨会
林晓旭
刘浩
李亚军
周兵
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.)
Sinohydro Bureau 7 Co Ltd
Original Assignee
Sinohydro Bureau 7 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 Sinohydro Bureau 7 Co Ltd filed Critical Sinohydro Bureau 7 Co Ltd
Priority to CN201910375719.6A priority Critical patent/CN110077967B/en
Publication of CN110077967A publication Critical patent/CN110077967A/en
Application granted granted Critical
Publication of CN110077967B publication Critical patent/CN110077967B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C21/00Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
    • B66C21/02Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways with cable-ways supported on framework swingably connected to groundengaging elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a cable crane cableway system installation and construction method. The method comprises the steps of preparing installation equipment, erecting a reciprocating dragging rope, installing a temporary bearing rope, installing a main rope, tensioning the main rope and installing a trolley dragging rope; the reciprocating dragging rope is erected by inserting the rope outlet end of the reciprocating dragging rope at the main and auxiliary vehicle sides of the cable crane cableway system into a ring rope nose and then connecting the rope outlet end with a universal connector to be used as the reciprocating dragging rope during installation, and the erection of the reciprocating dragging rope is completed through windlasses arranged at two banks, so that the reciprocating dragging rope can be used as both the reciprocating rope and the dragging rope after the erection is completed, and the dual-purpose function of one rope is realized. The method of the invention saves the reciprocating rope in the traditional process, and the rope outlet ends of the main and auxiliary vehicle side dragging ropes in the traditional process are connected by the universal connector after being spliced into the rope nose, so that the reciprocating dragging rope is changed into the reciprocating dragging rope, the resources are effectively utilized, the traditional process of erecting the reciprocating rope and the corresponding winch are saved, the construction resources are saved, and the construction period is shortened.

Description

Cable crane cableway system installation construction method
Technical Field
The invention belongs to the technical field of cable crane installation and construction, is used for cable crane cableway system installation and construction operation, and is particularly suitable for small and medium-sized cable crane cableway system installation and construction with the cable crane span of 300-700 meters.
Background
At present, most hydropower stations in China are in high mountain canyon zones, and the cable crane almost becomes the only selectable construction scheme in the construction of the concrete dam of the high mountain canyon riverbed. Therefore, the cable crane is widely used as main pouring equipment in the concrete dam construction of large and medium-sized hydraulic and hydroelectric engineering in China, and the cable crane is basically and completely used for pouring concrete in the concrete dam construction of large and medium-sized hydraulic and hydroelectric engineering with concentrated hydraulic resources in the west of China. The maximum safety risk of the installation of the cable crane lies in the installation and construction of a cable crane cableway system, and if the traditional installation and construction method is adopted, the defects of long installation period, low efficiency, large resource occupation amount and the like exist.
Disclosure of Invention
The invention discloses a cable crane cableway system installation and construction method based on the defects of the prior art. The invention aims to solve the problem of providing a cable crane cableway system installation construction method which is safer, has higher efficiency, reduces complicated construction links and has shorter construction period.
The invention is realized by the following technical scheme:
the invention discloses a cable crane cableway system installation construction method, which comprises the steps of installation equipment preparation, erection of a reciprocating dragging rope, temporary bearing rope installation, main rope tensioning and trolley dragging rope installation;
the reciprocating dragging rope is erected as follows: the rope outlet end of a main and auxiliary car side reciprocating dragging rope of a cable crane cableway system is spliced into a ring rope nose and then connected by a universal connector to be used as a reciprocating dragging rope during installation, the hoisting machines arranged at two sides are used for completing the erection of the reciprocating dragging rope, and the reciprocating dragging rope after the erection is used as a reciprocating rope and a dragging rope, so that the dual-purpose function of one rope is realized, and the aim of reducing the construction process of the reciprocating rope in the traditional cable crane installation process is fulfilled;
the installation steps are as follows: and simultaneously lowering a first steel wire rope on the temporary bearing rope, the main rope and the traction rope side winch and a second steel wire rope on the opposite-shore winch to the foundation pit, and connecting the first steel wire rope and the second steel wire rope by using a universal connector (or a clamping ring). And (3) retracting the temporary bearing rope, the main rope, the traction rope side winch and releasing the rope to the shore side winch, moving the second steel wire rope to the connecting part of the first steel wire rope and the first steel wire rope, stopping for standby application, and erecting the reciprocating traction rope.
The universal connector comprises connecting clamps which are fixedly connected with the connecting ropes at the two ends, the connecting clamps at the two ends can rotate and be connected relatively and randomly, and the universal connector is used for solving the rotating angle generated when the steel wire connecting ropes are connected.
The installation equipment is prepared to comprise a winch and a guide ground anchor; the guiding ground anchor is used for changing the running direction of each steel wire rope and each cable, is arranged at a turning position, and comprises a fixed ground anchor and a guiding pulley connected with the fixed ground anchor; the winch is provided with three main ropes, a temporary bearing rope and a traction rope, and one opposite bank side, wherein the two main ropes, the temporary bearing rope and the traction rope are used for back-and-forth traction, the other main rope, the temporary bearing rope and the traction rope are used for assisting to release a steel wire rope winch, and the other main rope, the temporary bearing rope and the traction rope are used for bearing codes and keeping distance.
The temporary bearing cable is installed by dragging through a reciprocating dragging rope to help to retract and release a steel wire rope of a winch, and the temporary bearing cable is dragged to cross two banks to adjust the sag and then fixed on main ground anchors at the two banks.
The main rope installation comprises: the main rope is discharged to a proper length and then poured, after the pouring is finished, the main rope is pulled to the position above one side of the temporary bearing rope through the reciprocating dragging rope, a first temporary support saddle is arranged on the temporary bearing rope, the main rope head is placed on the temporary support saddle and fixed, a main rope clamp and a support saddle distance-keeping rope are installed at the same time, the dragging reciprocating rope is separated from the joint at the moment and is changed into two groups of dragging ropes, the opposite dragging rope is connected with the main rope clamp, and the temporary support saddles are arranged at intervals of 25-30 meters in the process that the main rope is placed by the aid of the winch steel wire rope and is slowly discharged by the opposite dragging rope; the main cable is borne by a temporary bearing horse, is pulled to a designed length through an opposite dragging pull rope, is temporarily fixed and cut off by a cutting machine, and after the cable head pouring is completed, a steel wire rope of the side unwinding hoister and the opposite dragging rope continue to drag the main cable to move to the opposite bank until the cable head of the main cable at the opposite bank reaches a working platform of the main cable head; at the moment, the bank main rope fixing square clamp and the main rope tensioning special rope clamp are installed on the working platform, the movable pulley block system is adopted to be firmly connected with the main rope tensioning special rope clamp, and the main rope opposite-bank rope head is pulled to an installation position through the movable pulley block system and the opposite-bank dragging rope winch to be installed and fixed.
The main rope tensioning comprises: after the main cable head on the opposite shore side is installed at the installation position, the movable pulley block system is started to tension the main cable until the main cable head on the shore is installed at the designed installation position, and then the main cable and the main cable are tensioned and installed.
The installation of the haulage rope of the trolley in the installation construction of the cable crane cableway system comprises the following steps: the traction rope drum is placed on the manufactured bracket, and the lifting system is started. The traction ropes are all wound on a machine room lifting winding drum, the rope ends of the traction ropes are led out to pass through a guide pulley and a traction mechanism wheel train, the traction rope ends pass through a guide pulley of a traction support on a main tower and are led to a trolley, the designed installation positions of the traction ropes on the auxiliary vehicle side of the trolley are firmly connected and fixed through connecting ropes, about 60-80 meters of rope ends are reserved on maintenance platforms on the two sides of the trolley, and the auxiliary vehicle side of the trolley is connected with a traction rope on the auxiliary vehicle side. The trolley is pulled back to the main trolley for a certain distance by a main trolley side dragging rope winch to enable a trolley locking rope to be loosened and a locking steel wire rope for fixing the trolley is untied, then the main trolley side dragging rope winch releases the rope, an auxiliary trolley side dragging rope winch receives the rope and drags the trolley to the auxiliary trolley, meanwhile, a lifting mechanism and a traction mechanism are matched to release the traction rope simultaneously, the trolley is temporarily locked after moving to the auxiliary trolley, a traction rope head coiled on the trolley is pulled out and passes through a traction rope system gear train of the auxiliary trolley to be installed at a designed installation position at the rear part of the auxiliary trolley side, the temporary locking of the trolley and the connection of the auxiliary trolley side dragging rope and the trolley are released, the main trolley side dragging rope winch receives the rope, the lifting mechanism and the traction mechanism are matched to release the rope, the trolley is dragged to the main trolley side and is locked, a lifting winding drum rope receives the traction rope, the verticality of the traction rope is stretched to reach the designed verticality and, the traction rope is withdrawn from the lifting winding drum, bypasses the main car side traction system gear train and is installed at the main car side design position of the trolley, the connection between the main car side traction rope winch steel wire rope and the trolley is released, the traction rope locking and the trolley locking are released, and the traction rope installation is completed.
The installation and construction method of the cable crane cableway system comprises the processes of equipment preparation, erection of a reciprocating dragging rope, temporary bearing rope installation, main rope tensioning and the like; when the cableway system is installed, the functions of a dragging rope and a reciprocating rope are realized by utilizing the reciprocating dragging rope, and the installation of a bearing rope, a bearing horse, a main rope and the like is completed. The reciprocating dragging rope construction process for the cable crane cableway system is mainly characterized in that in the erection construction process of the cable crane cableway system, a reciprocating rope in the traditional process is omitted, the rope outlet ends of the main and auxiliary car side dragging ropes in the traditional process are spliced into rope noses and then connected by a universal connector, the reciprocating dragging ropes are changed into the reciprocating dragging ropes, the rope is dual-purpose, resources are effectively utilized, the traditional erection reciprocating rope construction process and a corresponding winch are omitted, the construction resources are saved, and the construction period is shortened.
Drawings
FIG. 1 is a schematic diagram of the construction of a reciprocating pull rope in an embodiment of the invention, wherein an arrow indicates a water flow direction, a right quay cable car mounting platform is arranged on the left side of the drawing, and a left quay cable car mounting platform is arranged on the right side of the drawing;
FIG. 2 is an enlarged schematic view of the arrangement of the guide ground anchor and the main ground anchor according to the embodiment of the invention;
FIG. 3 is a diagram of a cable installation facility and site layout according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the cords and ropes of FIG. 3;
FIG. 5 is a schematic view of a river-crossing installation of the temporary carrying cable according to the embodiment of the present invention, in which point A is a clamping point;
FIG. 6 is a view showing the construction of the universal connector, in which the part B is a coupling card and the part C is a rotatable part;
FIG. 7 is a schematic view of a main cable crossing river of the cable crane according to the embodiment of the invention;
fig. 8 is a schematic view of the main cable tensioning of the cable hoist of the embodiment of the present invention, in which 1 is shown coupled to a # 1 hoist;
FIG. 9 is a schematic side view of a main vehicle for erecting a hauling rope in the embodiment of the invention, wherein D is a trolley, the left hoisting device on the drawing surface is a main vehicle on the right bank, and the right hoisting device on the drawing surface is an auxiliary vehicle on the left bank;
fig. 10 is a schematic side view of an auxiliary vehicle for erecting a traction rope according to an embodiment of the invention, wherein D is a trolley, and the left hoisting device on the drawing surface is a main vehicle on the right bank and the right hoisting device on the left bank is an auxiliary vehicle on the left bank.
In the figure, 1 is a 1# windlass, 2 is a right bank guide ground anchor, 3 is a left bank and right bank main ground anchor, 4 is a temporary locking ground anchor, 5 is a 2# windlass, 6 is a 3# windlass, 7 is a reciprocating rope, 8 is a reciprocating rope pulling left bank guide ground anchor pulley, 9 is a guide ground anchor pulley, 10 is a 4# windlass, 11 is a universal connector, 12 is a plug rope nose, 13 is a temporary bearing rope, 14 is a main rope, 15 is a hoisting rope drum, 16 is a main rope reel, 17 is a temporary bearing rope anchoring device, 18 is a temporary bearing distance rope, 19 is a temporary bearing horse, 20 is a clamping fixation, 21 is a main rope head, 22 is a main rope special locking clamp, 23 is a traction rope reel, and 24 is a traction rope.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
The method of the invention is explained below by taking installation of a cableway system of an engineering cable crane as an example:
1. the installation of the cable crane reciprocating dragging rope is mainly completed by installing the cable crane reciprocating dragging rope on a right bank 1# winch 1, a right bank 2# winch 5, a right bank 3# winch 6 and a left bank 4# winch 10, firstly winding a phi 28mm steel wire rope on the 1# winch 10 and the 4# winch 10, weaving and inserting a rope outlet end into a rope nose, simultaneously lowering the steel wire rope on the 1# winch 1 and the steel wire rope on the 4# winch 10 to a foundation pit and connecting the steel wire rope with a universal connector 11 (or a snap ring), winding the 1# winch 1 and releasing the 4# winch 10, dragging the phi 28mm steel wire rope on the 4# winch 10 to the right bank for standby, and finishing the erection of the reciprocating dragging rope 7.
2. Installation of the temporary bearing cable: after the reciprocating drag rope 7 is erected, a temporary bearing rope reel 16 is placed on a rope reel bracket (a brake reel is welded in advance) at a main mounting site on the right bank, and the temporary bearing rope is connected with a 3# winch 6. One end of a cable head of a temporary bearing cable 13 led out from a 3# winch 6 is clamped with a phi 28mm reciprocating dragging cable 7 through a guiding ground anchor, a 4# winch 10 is used for retracting the cable, meanwhile, a 1# winch 1 is used for releasing the cable, the phi 52mm temporary bearing cable 13 is pulled to the left bank and is firmly connected with a main ground anchor, a 30m steel tape is used for measuring the length of the temporary bearing cable 13 during releasing the cable, and recording is well carried out. When the length of the temporary bearing rope 13 reaches the designed length, marking is done, rope unwinding is continued until the end of the temporary bearing rope 13 on the main car side is firmly clamped with the main ground anchor by a rope clamp, then the 3# winch 6 is used for winding the rope until the marked position returns to the installation position of the main ground anchor on the auxiliary car side, the 3# winch 6 is used for slowly winding the rope, measurement and calculation are carried out, the sag is adjusted to 7%, the temporary bearing rope is temporarily fixed and cut off from a proper position, the rope head penetrates through the main ground anchor, and then the rope head is firmly clamped on the main ground anchor by the rope clamp.
3. Main rope crossing the river: the main rope support is first installed on the main rope support anchor, the main rope 14 is then placed on the main rope support, and the main rope is paid out from the main rope reel 16 (the original rope head is used for the left shore end rope head).
The steel rope with the diameter of 16mm on the 3# winch 6 is led out to be connected with a poured main rope head 21, the main rope 14 passes through a guide device, goes over a main ground anchor and is pulled to a left bank working platform, the connection between the steel rope with the diameter of 16mm and the main rope 14 is released, and the main rope stands by on the working platform and serves as a temporary distance-keeping rope 18 for bearing horses.
Fixing a main rope head 21 on a first temporary bearing, clamping the front end of a reciprocating dragging rope 7 in a right bank working platform with a temporary locking rope (the other end of the temporary locking rope is fixed on a temporary locking ground anchor), releasing the rope of a 1# winch 1 to enable the connecting position of the reciprocating dragging rope 7 to be loosened between the 4# winch 10, releasing the connection of a universal connector 11, firmly connecting the left bank reciprocating dragging rope 7 with a main rope special rope clamp 22, installing a second temporary bearing 19 1 at a position 1m in front of the main rope special rope clamp 22, and connecting the temporary bearing 19 with a temporary bearing distance-keeping rope 18 on a 3# winch 6. The 1# winch 1 is connected with the temporary locking rope through a steel wire rope, the temporary locking rope is released through rope winding and unwinding, and the preparation work of the main rope 14 for crossing the river is completed.
The main rope 14 is slowly paid out to the left bank by using a left bank 4# winch 10, and temporary support horses 19 are sequentially installed at intervals of 25-30 m. The special person in the main rope 14 is responsible for measuring the size during the feeding and releasing process, and the special person makes a record, and the position for installing the permanent fixed horse-bearing is marked with red paint on the main rope 14 every 50 m. When the paid-out length of the main rope 14 reaches the design length, the main rope 14 is cut by a cutter, and an alloy rope head is cast. After the casting of the cable head is finished, the cable head is firmly connected with the 2# winch 5, and the 1# and 2# winches are started to continue to release cables to the left bank. When the cable head at the main vehicle end reaches a main vehicle ground anchor, the main cable 14 is temporarily locked at the left bank side, a steel wire rope on the 4# winch 10 is threaded through the movable pulley block with 16 multiplying power, the movable end of the movable pulley block is firmly connected with the special cable clamp 22 for the main cable at the left bank side, the temporary locking of the main cable 14 is released, the 1# and 4# winches are operated to be delivered to the left bank auxiliary vehicle side, and the main cable head is installed on the auxiliary vehicle suspension device by a crane after reaching the left bank auxiliary vehicle side.
4. Main cable tensioning installation
And after the cable head at the side of the left bank auxiliary vehicle is installed, the connection between the steel wire rope of the 4# windlass 10 at the left bank side and the main cable clamp 22 is released, and the special cable clamp 22 for the main cable at the left bank side is removed. The 1# winch 1 retracts the rope, the main rope 14 is stretched, and after the main rope head 21 at the end of the right bank reaches the main rope 14 suspension device, the rope head is installed on the main rope suspension device. And (3) releasing the rope of the No. 1 winch 1 until the steel wire rope of the movable pulley block is loosened, and dismantling the movable pulley block.
5. Trolley haulage rope installation
The pull-cord reel 23 is placed on the already manufactured support and the hoisting system is started. The traction rope 24 is completely wound on a machine room lifting reel, the rope end of the traction rope 24 is led out to pass through a guide pulley, passes through a traction mechanism and a traction support guide pulley on a main car, and is led to the designed position of the left bank end of the trolley to be fixed by a rope clamp, about 60-80m of rope end is reserved on the maintenance platforms at two sides of the trolley, the right bank end of the trolley is connected with a reciprocating dragging rope 7 on a 1# winch 1, and the left bank end is connected with a reciprocating dragging rope 7 on a 4# winch 10.
The winch 1 on the right bank firstly pulls the trolley back for a certain distance towards the main car to enable the locking rope of the trolley to be loosened, the locking steel wire rope for fixing the trolley is untied, then the winch 1 on the left bank releases the rope, the winch 10 on the left bank receives the rope, and the trolley is pulled towards the auxiliary car. The hoisting mechanism and the traction mechanism are matched to simultaneously release the traction rope 24, the trolley is temporarily locked after moving to the auxiliary vehicle, the head of the traction rope 24 coiled on the trolley is led out, passes through a traction pulley system of the auxiliary vehicle, is pulled to the left bank side of the trolley and is fixed at a designed installation position, the temporary locking of the trolley and the connection of a 4# winch 10 steel wire rope and the trolley are released, and the trolley is pulled back to the main vehicle by using the right bank 1# winch 1. When the trolley returns to the main car side maintenance platform, the hoisting drum is used for winding up the rope, the verticality of the traction rope 24 is collected to reach the design requirement, the traction rope 24 is locked on the traction frame at the rear part of the main car, the traction rope 24 is withdrawn from the hoisting drum, and is fixedly connected with the left bank side of the trolley through the traction guide wheel, so that the connection between the steel wire rope of the winch 1# on the right bank and the trolley is separated, and the installation of the traction rope 24 is completed.

Claims (6)

1. The cable crane cableway system installation and construction method is characterized by comprising the following steps: the construction method comprises the steps of preparing installation equipment, erecting a reciprocating dragging rope, installing a temporary bearing rope, installing a main rope, tensioning the main rope and installing a trolley dragging rope, wherein the construction method comprises the following steps:
the reciprocating dragging rope is erected as follows: the rope outlet end of a main and auxiliary car side reciprocating dragging rope of the cable crane cableway system is connected with a universal connector in an inserting mode to serve as the reciprocating dragging rope during installation, the reciprocating dragging rope is erected through windlasses installed on two banks, and the reciprocating dragging rope serves as the reciprocating rope and the dragging rope after erection is completed;
the installation steps are as follows: simultaneously lowering a first steel wire rope on a temporary bearing rope, a main rope, a traction rope side winch and a second steel wire rope on an opposite-bank side winch to a foundation pit, and connecting the first steel wire rope and the second steel wire rope by adopting a universal connector; and (3) retracting the temporary bearing rope, the main rope, the traction rope side winch and releasing the rope to the shore side winch, moving the second steel wire rope to the connecting part of the first steel wire rope and the first steel wire rope, stopping for standby application, and erecting the reciprocating traction rope.
2. The cable crane cableway system installation and construction method according to claim 1, further comprising: the universal connector comprises connecting clamps which are fixedly connected with the connecting ropes at the two ends, and the connecting clamps at the two ends can be relatively and randomly connected in a rotating mode.
3. The cable crane cableway system installation and construction method according to claim 1, further comprising: the installation equipment is prepared to comprise a winch and a guide ground anchor; the guiding ground anchor is used for changing the running direction of each steel wire rope and each cable, is arranged at a turning position, and comprises a fixed ground anchor and a guiding pulley connected with the fixed ground anchor; the winch is provided with three main ropes, a temporary bearing rope and a traction rope, and one opposite bank side, wherein the two main ropes, the temporary bearing rope and the traction rope are used for back-and-forth traction, the other main rope, the temporary bearing rope and the traction rope are used for assisting to release a steel wire rope winch, and the other main rope, the temporary bearing rope and the traction rope are used for bearing codes and keeping distance.
4. The cable crane cableway system installation and construction method according to claim 1, further comprising: the temporary bearing cable is arranged by dragging through a reciprocating dragging rope to help to receive and release a steel wire rope of a steel wire rope winch, and the temporary bearing cable is dragged across two banks to adjust the sag and then fixed on main ground anchors of the two banks.
5. The cable crane cableway system installation and construction method according to claim 1, further comprising: the main rope installation comprises: the main rope is discharged to a proper length and then poured with a main rope head, after the pouring is finished, the main rope is pulled to the position above one side of a temporary bearing rope through a reciprocating dragging rope, a first temporary support saddle is arranged on the temporary bearing rope, the main rope head is placed on the temporary support saddle and fixed, a main rope clamp and a support saddle distance-keeping rope are installed at the same time, the reciprocating dragging rope is separated from the joint to form two groups of dragging ropes, the opposite dragging rope is connected with the main rope clamp, and the temporary support saddles are arranged at intervals of 25-30 meters in the process that the main rope is placed on the opposite side through a steel wire rope winch in a side-placing mode and the opposite dragging rope is slowly discharged; the main cable is borne by a temporary bearing horse, is pulled to a designed length through an opposite dragging pull rope, is temporarily fixed and cut off by a cutting machine, and after the cable head pouring is completed, the steel wire rope for the steel wire rope winch and the opposite dragging rope are used for releasing the steel wire rope to continuously drag the main cable to move to the opposite bank until the cable head of the main cable reaches a working platform of the main cable; at the moment, the bank main rope fixing square clamp and the main rope tensioning special rope clamp are installed on the working platform, the movable pulley block system is adopted to be firmly connected with the main rope tensioning special rope clamp, and the main rope opposite-bank rope head is pulled to an installation position through the movable pulley block system and the opposite-bank dragging rope winch to be installed and fixed.
6. The cable crane cableway system installation and construction method according to claim 5, further comprising: the main rope tensioning comprises: after the main cable head on the opposite bank side is installed at the installation position, the main cable is tensioned by starting the bearing cable, the main cable and the traction cable side winch under the help of the movable pulley block system until the main cable head on the bank side is installed at the designed installation position, and then the main cable and the main cable are tensioned and installed.
CN201910375719.6A 2019-05-07 2019-05-07 Cable crane cableway system installation construction method Active CN110077967B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910375719.6A CN110077967B (en) 2019-05-07 2019-05-07 Cable crane cableway system installation construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910375719.6A CN110077967B (en) 2019-05-07 2019-05-07 Cable crane cableway system installation construction method

Publications (2)

Publication Number Publication Date
CN110077967A CN110077967A (en) 2019-08-02
CN110077967B true CN110077967B (en) 2020-04-28

Family

ID=67418960

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910375719.6A Active CN110077967B (en) 2019-05-07 2019-05-07 Cable crane cableway system installation construction method

Country Status (1)

Country Link
CN (1) CN110077967B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112591623B (en) * 2020-12-07 2022-05-17 中铁二十局集团第五工程有限公司 Dismounting method for cable hoisting system of half-through type space Y-shaped steel box arch bridge
CN113342169B (en) * 2021-06-10 2023-03-17 中国水利水电第七工程局有限公司 Tower crane operation virtual training system based on force feedback

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5671373B2 (en) * 2011-03-02 2015-02-18 株式会社駒井ハルテック Bridge removal method and new construction method
CN207002057U (en) * 2017-06-29 2018-02-13 湖南省中南桥梁安装工程有限公司 A kind of cable crane overhead traveling crane trailer system
CN107354873A (en) * 2017-08-30 2017-11-17 广西路桥工程集团有限公司 A kind of cable hoisting and rotator construction system
CN207419264U (en) * 2017-08-30 2018-05-29 广西路桥工程集团有限公司 A kind of cable hoisting and rotator construction system
CN208167539U (en) * 2018-02-06 2018-11-30 中交二公局第二工程有限公司 A kind of steel-concrete composite beam cable-stayed bridge main cable and girder construction cable crane system

Also Published As

Publication number Publication date
CN110077967A (en) 2019-08-02

Similar Documents

Publication Publication Date Title
CN108660946B (en) Method for replacing main cable of suspension bridge
CN110077967B (en) Cable crane cableway system installation construction method
CN109371854B (en) Method for constructing large-span suspension bridge stiffening beam by cable crane
CN112176872B (en) Method for erecting main cable of anchor suspension bridge of two-bank tunnel
CN212025936U (en) Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge
CN110002343B (en) Self-driven urban underground prefabricated comprehensive pipe gallery laying hoisting machine and construction method
CN212475874U (en) Bridge cable crane system
CN102709849B (en) Manual multifunctional wire tensioning device and a kind of wire line tightening method
CN209194361U (en) A kind of fixed structure of suspension cable bridge section lifting hoisting platform
WO2018080310A1 (en) Cableway system for forestry, and method for use of same
CN110065888A (en) A kind of cable crane main rope Demolition Construction method
CN108018778B (en) Catwalk cable erection traction system and catwalk cable rapid erection method for non-navigable water area
CN113605230A (en) Main cable traction system and method suitable for suspension bridge two-bank tunnel anchor
CN111155822A (en) Steel strand installation method for wind driven generator support tower frame prestressed structure
CN113279337A (en) Wet joint formwork mounting and dismounting system and mounting and dismounting construction method
CN112411394B (en) Method for hoisting cable of half-through type space Y-shaped steel box arch bridge
CN212895927U (en) Municipal bridge hoisting and positioning device
CN209779465U (en) main tower erects cable-stay bridge's string cable construction system that changes
CN110240076B (en) Improved system and method for replacing steel wire rope of shunting winch
CN113529579A (en) Cableway transfer device based on circulation type steel wire rope catenary structure
CN111977522B (en) Ground reeving and lifting installation method for cable crane crown block
CN220847103U (en) Suspension bridge overhead portal hoisting system
CN115045358B (en) Mounting method of double-wheel slot milling machine
CN214328530U (en) Non-sag traction device for anchoring cable
CN218603054U (en) Cable traction device of wind turbine generator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant