CN203668836U - Cable tightening machine - Google Patents
Cable tightening machine Download PDFInfo
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- CN203668836U CN203668836U CN201420030789.0U CN201420030789U CN203668836U CN 203668836 U CN203668836 U CN 203668836U CN 201420030789 U CN201420030789 U CN 201420030789U CN 203668836 U CN203668836 U CN 203668836U
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- semicircle
- cable
- securing member
- traveling crane
- overhead traveling
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Abstract
The utility model belongs to a cable tightening machine which comprises a traveling device, a fastening device and a hydraulic system. The traveling device is used for moving and supporting the fastening device and the hydraulic system, the fastening device is used for extruding a plurality of parallel steel wire ropes for forming a main cable to be round and tight, and the hydraulic system is used for providing roundness-extruding and tightness-extruding power for the tightening device, wherein the fastening device is formed by two semicircular fasteners, lifting lugs, semicircular nylon blocks and reference steel columns, and the two semicircular fasteners can be buckled with each other. According to the cable tightening machine, the roundness-extruding and tightness-extruding cable tightening process can be mechanically, conveniently and rapidly carried out on the main cable of a suspension bridge, and the cable tightening machine has the advantages of being simple in structure, easy to operate, light in weight, low in construction cost, easy and convenient to assemble, short in construction period, safe, reliable, high in efficiency and good in quality, saving time and labor, and bringing convenience to fault removal.
Description
Technical field
The utility model belongs to a kind of tight cable machine.
Background technology
At present, the main push-towing rope of the suspension bridge that span is larger is made up of through squeezing the compacted tight cable operation of circle the many high-strength flexible steel wires that be arranged in parallel, then will form load-bearing main push-towing rope through squeezing the many compacted high-strength flexible steel wire peripheral hardware cord clips that be arranged in parallel of circle.Load-bearing main push-towing rope is the main load-bearing cable of suspension bridge, the many high-strength flexible steel wires that be arranged in parallel are squeezed to circle is compacted a strict demand, the void content that requires to guarantee main push-towing rope in cord clip after tight cable reaches 28% below, cord clip outward the void content of main push-towing rope reach below 26%.
And the tight cable equipment using at present tight cable construction is because body journey is large, heavy, cost is high, assembling is complicated, conventionally need on the ground of load-bearing main push-towing rope lower end for the treatment of tight main push-towing rope operation construction, lay the track parallel with load-bearing main push-towing rope, on track, establish orbital platform car, on orbital platform car, set up scaffold to load-bearing main push-towing rope lower end, on scaffold, establish working platform and put tight cable equipment on it, tight cable equipment is to assemble after transporting working platform after partition again.This tight cable device body journey is large, heavy, and cost is high, and assembling is complicated, and main push-towing rope breaks down and keeps in repair trouble, and time-consuming, construction cost is large, long construction period, speed is slow, efficiency is low, and quality is difficult to guarantee.If load-bearing main push-towing rope and ground distance are excessive, or be river complex-terrain, complete tight cable operation more difficult, expend higher.
Summary of the invention
The purpose of this utility model is a kind of tight cable machine of design, can mechanization, easily, rapidly main rope of suspension bridge is completed and squeezes the compacted tight cable operation of circle, have structure and simple to operate, lightweight, construction cost is low, simple and convenient assembly, time saving and energy saving, short construction period, safe and reliable, corrective maintenance is convenient, efficiency height and the measured advantage of matter.
For this reason, the utility model is mainly made up of hydraulic system, punching jack and overhead traveling crane, and described tight cable machine comprises:
Running gear, for mobile and support fastener and hydraulic system, running gear is by overhead traveling crane, traction hangers, hanger, traveling wheel, hoist cable, working platform, hoist engine and pull rope form, the front center of overhead traveling crane is established traction hangers, hoist engine is positioned on the tower top portal of suspension bridge side bank, hoist engine drives overhead traveling crane operation by pull rope and traction hangers, the both sides, lower end of overhead traveling crane are provided with traveling wheel, traveling wheel is positioned on cat road track cable, four jiaos of the lower ends of overhead traveling crane are provided with hanger, working platform hangs the lower end that is located at overhead traveling crane with the hoist cable having contact with by upper end, working platform is positioned at main push-towing rope lower end, hydraulic system is positioned on workbench,
Fastener, for squeezing many parallel steel wire ropes of the compacted formation main push-towing rope of circle, by two semicircle securing members that can mutually close fastening, lifting lug, semicircle nylon watt and forming with reference to steel column, the middle part of semicircle securing member is semicircle draw-in groove, in semicircle draw-in groove, be provided with semicircle nylon watt, the upper end of semicircle securing member is provided with lifting lug, the both sides, middle part, lower end of overhead traveling crane are respectively connected a chain sling device with wire rope by hanger, lifting lug on the semicircle securing member in left side is connected with the lifting chain of the chain sling device on right side, lifting lug on the semicircle securing member on right side is connected with the lifting chain of the chain sling device in left side, the two ends of semicircle securing member are provided with tie rod hole, two centre-hole jack pull bars used are located in respectively in two tie rod holes:
Hydraulic system, for being provided, fastener squeezes the compacted power of circle, by hydraulic oil pump, oil pipe, two vertically-displacables are very heavy, pull bar and clamp nut form, hydraulic oil pump is positioned on workbench, pull bar is located in the tie rod hole at semicircle securing member two ends, clamp nut is arranged on pull bar, two centre-hole jacks lay respectively on the semicircle securing member in pull bar outside, hydraulic oil pump is connected with the hydraulic system of centre-hole jack by oil pipe, centre-hole jack is the distance between two semicircle securing members on pull bar by pull bar and clamp nut adjustment.
The upper end of described hoist cable is provided with has contact with, and the upper end of hoist cable is connected or separation by having contact with the hanger of overhead traveling crane lower end.Two jiaos, the outside of described semicircle nylon watt is provided with closed dentation member, is positioned at the protuberance of the closed dentation member on the circular nylon of two halves watt and recess is corresponding arranges.The diameter length of the semicircle draw-in groove of described semicircle securing member arranges according to main push-towing rope cable footpath, is divided into 5～6 kinds of different diameter model.The wheel face of described traveling wheel is provided with semicircle recessed groove.The bilateral symmetry of described semi-circular member arranges with reference to steel column, vertical with reference to the plane of the axis of steel column and the semicircle securing member at place.Described centre-hole jack is by acrosome, eject piston, drag link sleeve hole body, hydraulic jack, oil return opening, oil-in, flange holder and sealing ring form, through hole is established at the middle part that ejects piston, through hole is established at the middle part of flange holder, drag link sleeve hole body lower end is connected with the sealing of acrosome lower end by flange holder and sealing ring, between the inside wall of acrosome and drag link sleeve hole body, it is hydraulic jack, the lower end protuberance that ejects piston is positioned at hydraulic jack and sealed hydraulic oil cylinder space, eject on the acrosome lateral wall of protuberance upper end, lower end of piston and establish oil return opening, eject on the acrosome lateral wall of protuberance lower end, lower end of piston and establish oil-in.
Said structure design has realized the purpose of this utility model.
The utility model energy mechanization, easily, rapidly main rope of suspension bridge is completed and squeezes the compacted tight cable operation of circle, has structure and simple to operate, and lightweight, construction cost is low, simple and convenient assembly, time saving and energy saving, short construction period, safe and reliable, corrective maintenance is convenient, efficiency height and the measured advantage of matter.The utility model only needs 2～4 people to fulfil assignment according to statistics, more than efficiency raising number picks up doubly, has good result of use.
Test shows: in the tight cable construction of Liujia Gorge suspension bridge main span main push-towing rope, it is 536 meters across footpath that main push-towing rope calculates, calculating across main push-towing rope is in the east 113 meters across footpath, calculate across main push-towing rope in west is 148 meters across footpath, length of main cable strand scope is 868～870 meters, the construction method (PPWS) that main cable construction adopts Prefabricated parallel stranded metallic cable to set up by root, single bundle Prefabricated parallel stranded metallic cable is made up of the parallel zinc steel wire that crosses of 127 φ 5.2mm, and main cable strand is vertically lined up the approximate regular hexagon on pinnacle in the time setting up.The main push-towing rope completing after tight cable construction by the utility model becomes circular closely, the void content of main push-towing rope and circularity reach and exceed main quality control index, make that void content in main push-towing rope cord clip reaches 16%～20%, the outer main push-towing rope void content of cord clip reaches 18%～22% by this hair; In cord clip, main push-towing rope diameter reaches 429.3mm, and the outer main push-towing rope diameter of cord clip reaches 434.6mm.The tight cable operation of the main push-towing rope construction operation of more than 800 meter has only used just come to an end for 9 days, shortens nearly 10 times of construction period.And device assembles is easy, simple to operate, failure rate is low, more than accumulative total is saved the millions of units of operating expenses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Partial structurtes schematic diagram when Fig. 2 is tight cable construction of the present utility model.
Fig. 3 is centre-hole jack structural representation of the present utility model.
Fig. 4 is semicircle fastener constructions schematic diagram of the present utility model.
Fig. 5 is semicircle securing member of the present utility model and semicircle nylon tile structure schematic diagram.
Fig. 6 is the left TV structure schematic diagram of Fig. 4.
The specific embodiment
As shown in Figures 1 to 6, a kind of tight cable machine, is mainly made up of hydraulic system, punching jack and overhead traveling crane, and described tight cable machine comprises:
Running gear, for mobile and support fastener and hydraulic system.Running gear is made up of overhead traveling crane 1, traction hangers 2, hanger 17, traveling wheel 3, hoist cable 5, working platform 9, hoist engine 20 and pull rope 19.The front center of overhead traveling crane is established traction hangers, and hoist engine is positioned on the tower top portal 18 of suspension bridge side bank, and hoist engine drives overhead traveling crane operation by pull rope and traction hangers.The both sides, lower end of overhead traveling crane are provided with traveling wheel 3, and traveling wheel is positioned on cat road track cable 21.The wheel face of described traveling wheel is provided with semicircle recessed groove, is beneficial on traveling wheel Mao road track cable and moves.Obviously, traveling wheel is 4, lays respectively at four bights, lower end of overhead traveling crane; Cat road track cable is two, and is spacing distance and is set in parallel in the upper end spaces for the treatment of tight main push-towing rope 221.Four jiaos of the lower ends of overhead traveling crane are provided with hanger, and working platform hangs the lower end that is located at overhead traveling crane with the hoist cable that has contact with 4 by upper end, and working platform is positioned at main push-towing rope lower end, and hydraulic system is positioned on workbench.The upper end of described hoist cable is provided with has contact with, and the upper end of hoist cable is connected or separation by having contact with the hanger of overhead traveling crane lower end.
Fastener, for squeezing many parallel steel wire ropes of the compacted formation main push-towing rope of circle.By two semicircle securing members 12 that can mutually close fastening, lifting lug 30, semicircle nylon watts 13 with formed with reference to steel column 31.The middle part of semicircle securing member is semicircle draw-in groove 32, is provided with semicircle nylon watts 13 in semicircle draw-in groove, and the effect of semicircle nylon watt is effectively to prevent that the semicircle securing member in extrusion process from causing main push-towing rope steel wire to cross the wearing and tearing of zinc layer.Two jiaos, the outside of described semicircle nylon watt is provided with closed dentation member 14, is positioned at the protuberance of the closed dentation member on the circular nylon of two halves watt and recess is corresponding arranges, and closed dentation member can effectively prevent from, in tight cable process, wire squeeze phenomenon occurs.The diameter length of the semicircle draw-in groove of described semicircle securing member arranges according to main push-towing rope cable footpath, is divided into 5～6 kinds of different diameter model.Each semicircle securing member processes through precision lathe with forge steel, and 5 kinds of models are applicable to respectively 30～130cm main push-towing rope diameter, before using, selects according to concrete main push-towing rope footpath.The upper end of semicircle securing member is provided with lifting lug, and the both sides, middle part, lower end of overhead traveling crane are respectively connected a chain sling device 16 with wire rope by hanger.Lifting lug on the semicircle securing member in left side is connected with the lifting chain of the chain sling device on right side, and the lifting lug on the semicircle securing member on right side is connected with the lifting chain of the chain sling device in left side.The two ends of semicircle securing member are provided with 33, two centre-hole jacks of tie rod hole pull bar 6 used and are located in respectively in two tie rod holes.The bilateral symmetry of described semi-circular member arranges with reference to steel column 31, vertical with reference to the plane of the axis of steel column and the semicircle securing member at place.Play with reference to effect, so that the plane of semi-circular member is vertical with main push-towing rope in tight cable machine installation process with reference to steel column.
Hydraulic system, squeezes the compacted power of circle for fastener is provided., pull bar 6 very heavy 11 by hydraulic oil pump 8, oil pipe 7, two vertically-displacables and clamp nut 15 are formed.Hydraulic oil pump is positioned on workbench, is also provided with operation board and the hydralic pressure gauge etc. of controlling hydraulic oil pump on workbench.Pull bar is located in the tie rod hole at semicircle securing member two ends.Clamp nut is arranged on pull bar, and several clamp nuts are arranged in respectively on each pull bar.Two centre-hole jacks lay respectively on the semicircle securing member in pull bar outside, hydraulic oil pump is connected with the hydraulic system of centre-hole jack by oil pipe, and centre-hole jack is the distance between two semicircle securing members on pull bar by pull bar and clamp nut adjustment.
Described centre-hole jack by acrosome 22, eject piston 23, drag link sleeve hole body 24, hydraulic jack 25, oil return opening 26, oil-in 27, flange holder 28 and sealing ring 29 and formed.Through hole is established at the middle part that ejects piston, and through hole is established at the middle part of flange holder, and drag link sleeve hole body lower end is connected with the sealing of acrosome lower end by flange holder and sealing ring.Between the inside wall of acrosome and drag link sleeve hole body, it is hydraulic jack, the lower end protuberance that ejects piston is positioned at hydraulic jack and sealed hydraulic oil cylinder space, eject on the acrosome lateral wall of protuberance upper end, lower end of piston and establish oil return opening, eject on the acrosome lateral wall of protuberance lower end, lower end of piston and establish oil-in.
When use, tight cable machine of the present utility model provides pressure to be put on and treated on tight main push-towing rope 221 by fastener by hydraulic system, after main push-towing rope jam-packed meets the demands, after the front and rear portions of the workbench of tight cable machine tight, on main push-towing rope, bandage is wrapped after steel band again, by mobile device, tight cable machine is displaced to next again and treats that tight main push-towing rope station carries out tight cable and operates, until main push-towing rope is all crowded round compacted.
First overhead traveling crane being attached to two ends by traveling wheel is positioned on door frame Shang Mao road, both sides, bank track cable 21, overhead traveling crane provides tractive force by 5 tons of hoist engines that are arranged at the tower top platform place on door frame, hoist engine with haulage cable by traction hangers be connected with overhead traveling crane, the overhead traveling crane tractive force that (when up-hill journey) mainly provides by hoist engine when up moves, reliable its deadweight and coordinate hoist engine to loosen haulage cable to complete movement when descending, the haulage cable of hoist engine can carry out shift length control.Working platform is hung to the lower end that is located at overhead traveling crane with the hoist cable having contact with by upper end, the upper center that obviously main push-towing rope traverses working platform, hydraulic system is positioned on workbench.
Again the semicircle securing member of two fastening use is respectively connected with the hanger of overhead traveling crane by the lifting lug 30 on it by a fairleader, two semicircle securing members lay respectively at the both sides for the treatment of tight main push-towing rope, and the horizontal diameter line that guarantees the semicircle draw-in groove for the treatment of the horizontal diameter line of tight main push-towing rope and fastening latter two semicircle securing member by degree of tightness fairleader is on same straight line.In semicircle draw-in groove, establish semicircle nylon watt, the effect of semicircle nylon watt is effectively to prevent that the semicircle securing member in extrusion process from causing main push-towing rope steel wire to cross the wearing and tearing of zinc layer.Two jiaos, the outside of semicircle nylon watt is provided with closed dentation member, and closed dentation member can effectively prevent from, in tight cable process, wire squeeze phenomenon occurs.When mounted, can by arrange on semicircle securing member with reference to steel bar, adjust angle so that the semicircle securing member of tight cable machine with treat that tight main push-towing rope is vertical.Then two pull bars are located in respectively in the tie rod hole 33 of two semicircle securing member upper and lower parts, two pull bars are connected the upper and lower part of two semicircle securing members.On pull bar outside semicircle securing member one side, spiral shell is established a clamp nut 15, on pull bar outside semicircle securing member opposite side, establish (stretch-draw lining pin can be removed) after a stretch-draw lining pin 10, establish again a centre-hole jack, now pull bar is through after in the drag link sleeve hole body of this centre-hole jack, and establish (if clamp nut diameter enough can be removed greatly pad) after a pad, then spiral shell is established another clamp nut.Like this two ends of centre-hole jack be flange holder with eject piston respectively and semicircle securing member opposite side outside and pad medial surface between hold (upper and lower identical, therefore be not repeated).In the time of the ejecting piston and eject of centre-hole jack, even if the flange seat surface at centre-hole jack two ends and the distance ejecting between piston-top surface strengthen, thereby the distance that makes to be located between the circular securing member of two halves on pull bar by pull bar and clamp nut is dwindled thereupon, the circular securing member of two halves is fastened mutually, treat tight main push-towing rope and complete the compacted tight cable operation of crowded circle.
The pressure being provided by hydraulic oil pump is delivered on two semicircle securing members by 2 centre-hole jacks, and hydraulic oil pump adopts the mode of " with two " to arrange oil pipe, to realize the synchronous tension of upper and lower two centre-hole jacks.In the time that hydraulic oil pump provides pressure oil to centre-hole jack, pressure oil enters hydraulic jack from oil-in and will eject piston upper surface and eject outside hydraulic jack, and the pressure oil after work done flows back to hydraulic oil pump from oil return opening.The circular securing member of two halves that 2 centre-hole jacks make to be located on pull bar by pull bar and clamp nut fastens mutually, completes the tight cable operation for the treatment of tight main push-towing rope.After main push-towing rope jam-packed meets the demands, after the workbench front and rear portions of tight cable machine tight, on main push-towing rope, bandage is wrapped after steel band, by mobile device, tight cable machine is displaced to next again and treats that tight main push-towing rope station carries out tight cable and operates, squeeze the compacted tight cable operation of circle until main push-towing rope all completes.
In a word, the utility model energy mechanization, easily, rapidly main rope of suspension bridge is completed and squeezes the compacted tight cable operation of circle, have structure and simple to operate, lightweight, construction cost is low, simple and convenient assembly, time saving and energy saving, short construction period, safe and reliable, corrective maintenance is convenient, efficiency height and the measured advantage of matter.
Claims (7)
1. a tight cable machine, is mainly made up of hydraulic system, punching jack and overhead traveling crane, it is characterized in that: described tight cable machine comprises,
Running gear, for mobile and support fastener and hydraulic system, running gear is by overhead traveling crane, traction hangers, hanger, traveling wheel, hoist cable, working platform, hoist engine and pull rope form, the front center of overhead traveling crane is established traction hangers, hoist engine is positioned on the tower top portal of suspension bridge side bank, hoist engine drives overhead traveling crane operation by pull rope and traction hangers, the both sides, lower end of overhead traveling crane are provided with traveling wheel, traveling wheel is positioned on cat road track cable, four jiaos of the lower ends of overhead traveling crane are provided with hanger, working platform hangs the lower end that is located at overhead traveling crane with the hoist cable having contact with by upper end, working platform is positioned at main push-towing rope lower end, hydraulic system is positioned on workbench,
Fastener, for squeezing many parallel steel wire ropes of the compacted formation main push-towing rope of circle, by two semicircle securing members that can mutually close fastening, lifting lug, semicircle nylon watt and forming with reference to steel column, the middle part of semicircle securing member is semicircle draw-in groove, in semicircle draw-in groove, be provided with semicircle nylon watt, the upper end of semicircle securing member is provided with lifting lug, the both sides, middle part, lower end of overhead traveling crane are respectively connected a chain sling device with wire rope by hanger, lifting lug on the semicircle securing member in left side is connected with the lifting chain of the chain sling device on right side, lifting lug on the semicircle securing member on right side is connected with the lifting chain of the chain sling device in left side, the two ends of semicircle securing member are provided with tie rod hole, two centre-hole jack pull bars used are located in respectively in two tie rod holes,
Hydraulic system, for being provided, fastener squeezes the compacted power of circle, by hydraulic oil pump, oil pipe, two vertically-displacables are very heavy, pull bar and clamp nut form, hydraulic oil pump is positioned on workbench, pull bar is located in the tie rod hole at semicircle securing member two ends, clamp nut is arranged on pull bar, two centre-hole jacks lay respectively on the semicircle securing member in pull bar outside, hydraulic oil pump is connected with the hydraulic system of centre-hole jack by oil pipe, centre-hole jack is the distance between two semicircle securing members on pull bar by pull bar and clamp nut adjustment.
2. by the tight cable machine of one claimed in claim 1, it is characterized in that: the upper end of described hoist cable is provided with has contact with, the upper end of hoist cable is connected or separation by having contact with the hanger of overhead traveling crane lower end.
3. by the tight cable machine of one claimed in claim 1, it is characterized in that: two jiaos, the outside of described semicircle nylon watt is provided with closed dentation member, be positioned at the protuberance of the closed dentation member on the circular nylon of two halves watt and recess is corresponding arranges.
4. by the tight cable machine of one claimed in claim 1, it is characterized in that: the diameter length of the semicircle draw-in groove of described semicircle securing member arranges according to main push-towing rope cable footpath, is divided into 5～6 kinds of different diameter model.
5. by the tight cable machine of one claimed in claim 1, it is characterized in that: the wheel face of described traveling wheel is provided with semicircle recessed groove.
6. by the tight cable machine of one claimed in claim 1, it is characterized in that: the bilateral symmetry of described semi-circular member arranges with reference to steel column, vertical with reference to the plane of the axis of steel column and the semicircle securing member at place.
7. by the tight cable machine of one claimed in claim 1, it is characterized in that: described centre-hole jack is by acrosome, eject piston, drag link sleeve hole body, hydraulic jack, oil return opening, oil-in, flange holder and sealing ring form, through hole is established at the middle part that ejects piston, through hole is established at the middle part of flange holder, drag link sleeve hole body lower end is connected with the sealing of acrosome lower end by flange holder and sealing ring, between the inside wall of acrosome and drag link sleeve hole body, it is hydraulic jack, the lower end protuberance that ejects piston is positioned at hydraulic jack and sealed hydraulic oil cylinder space, eject on the acrosome lateral wall of protuberance upper end, lower end of piston and establish oil return opening, eject on the acrosome lateral wall of protuberance lower end, lower end of piston and establish oil-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030789.0U CN203668836U (en) | 2014-01-16 | 2014-01-16 | Cable tightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030789.0U CN203668836U (en) | 2014-01-16 | 2014-01-16 | Cable tightening machine |
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| Publication Number | Publication Date |
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| CN203668836U true CN203668836U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420030789.0U Withdrawn - After Issue CN203668836U (en) | 2014-01-16 | 2014-01-16 | Cable tightening machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758042A (en) * | 2014-01-16 | 2014-04-30 | 中交第一公路工程局有限公司 | Cable compacting machine |
-
2014
- 2014-01-16 CN CN201420030789.0U patent/CN203668836U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758042A (en) * | 2014-01-16 | 2014-04-30 | 中交第一公路工程局有限公司 | Cable compacting machine |
| CN103758042B (en) * | 2014-01-16 | 2015-11-25 | 中交第一公路工程局有限公司 | A kind of tight cable machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151125 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |