CN1152458C - Method and equipment of stride across construction utilizing overhead cableway - Google Patents
Method and equipment of stride across construction utilizing overhead cableway Download PDFInfo
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- CN1152458C CN1152458C CNB001208330A CN00120833A CN1152458C CN 1152458 C CN1152458 C CN 1152458C CN B001208330 A CNB001208330 A CN B001208330A CN 00120833 A CN00120833 A CN 00120833A CN 1152458 C CN1152458 C CN 1152458C
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Abstract
The present invention relates to a method and a device for across construction by utilizing an overhead cableway. An overhead cableway is erected between iron towers or support rods at both ends of a cross shield, the cableway comprises a force supporting rope, a cross thread protection device, a pull rope of the cross thread protection device, a tail rope, a connecting rope, a safety protection network, etc., and unfolded conducting wires and grounding wires in the cross thread protection device of the cableway can safely cross buildings, operating conducting wires, rivers, ditches, cliffs, etc. between cross shields. The method and the device for construction have the advantages of simple and easy operation for erecting and recovering the cableway, small volume, light weight, convenient transportation, few constructors, low construction cost and high construction efficiency without the limit of landform and the height and the width of an object to be crossed. Therefore, the cableway has the advantages of wide application and great value in popularization.
Description
The invention belongs to the leap construction field, be specifically related to a kind of method and device thereof that utilizes aerial cableway to cross over construction.
Cross over construction and runs into through regular meeting when overhead transmission line is built in electric power system, existing leap construction technique is to be set up the structural formula crossing frame on ground and crosses over construction.It is all very huge to cross over the employed various crossing frame volumes of construction, and weight is also very big, and required haulage vehicle is also more, therefore can be subjected to the restriction of transportation condition when transportation, especially transports difficulty more in the place of traffic of mountain area inconvenience, sometimes even can't transport; It is bigger that the structural formula crossing frame puts up occupation of land, in use is subjected to the landform restriction also more, in the mountain area, areas such as pools, marsh, for want of sets up the orographic condition of crossing frame, causes the situation that can't set up crossing frame to happen occasionally; Structural formula crossing frame equipment complexity, put up time-consuming, take a lot of work, long construction period makes efficiency of construction low; In addition, the block height of structural formula crossing frame, width are limited, so its application is subjected to the height of object being spanned body, the restriction of width, then can't use the structural formula crossing frame if the object being spanned body is too high, wide.In a word, existing structural formula crossing frame complex structure, volume is big, and weight is big, when setting up with demolition expense, take a lot of work, long construction period, required vehicle is more when transporting in addition, so operating expenses is higher, if having because of setting up the occupation of land compensation issue that crossing frame causes, then operating expenses is higher, makes unit in charge of construction's economic benefit be subjected to very big influence.
The purpose of this invention is to provide that a kind of construction technology is complete, construction is simple, efficiency of construction is high, construction cost is low, utilizes aerial cableway to cross over the method and the device thereof of construction.
A technical scheme of the present invention is that aerial cableway is to cross over cableway, and its construction procedure is:
1) thinner rope one end is ridden out from object being spanned top, the other end is connected with high-intensity traction endless rope, and will draw endless rope and lead quilt and striden shelves;
2) will cross over the cableway bearing rope and lead by the traction endless rope and striden shelves, and cross over and be fixed on the iron tower or support bar of crossing over the shelves two ends after tension force in the cableway bearing rope reaches predetermined value;
3) several are crossed over the cableway protection of transition wire and hang on iron tower or support bar, and hang on two bearing ropes by the last U-loop of structural member on the protection of transition wire, the last U-loop of structural member connects by connection cord on each protection of transition wire, the following U-loop of each time structural member connects by safety protective net, connects pull rope and tail rope at the head and the tail two ends of crossing over the cableway protection of transition wire and forms the complete protection of transition wire of a cover;
When 4) having served as the line protective device and arrive the precalculated position, pull rope, the tail rope of this device fixedly secured on iron tower or support bar;
5) exhibition put lead, ground wire, lead, ground wire exhibition puts and finish back adjustment sag, balance hanging wire;
6) remove the leap cableway, regain pull rope, protection of transition wire, connection cord, tail rope, safety protective net successively, at last bearing rope is regained.
The employed device of a kind of realization said method such as Fig. 1; shown in Figure 2; for crossing over cableway II; cross over cableway II by bearing rope 2; pull rope 10; protection of transition wire 8; connection cord 7; safety protective net 11; tail rope 9 is formed; connection cord 7 is connected to the upper end of protection of transition wire 8 together; safety protective net 11 is connected to the lower end of protection of transition wire 8 forms the complete protection of transition wire of a cover together; the head and the tail two ends of the protection of transition wire that fuses connect pull rope 10 and tail rope 9, cross over the pull rope 10 of cableway bearing rope 2 and protection of transition wire; tail rope 9 is separately fixed on the iron tower or support bar 12 of crossing over the shelves two ends.
Cross over cableway protection of transition wire 8 as Fig. 5; shown in Figure 6; comprise structure identical on; following two structural members and lifting rope 21; structural member comprises axle 17; roller 16; connecting plate 18; baffle plate 19; last U-loop 20; following U-loop 40; upper connecting rod 22; lower connecting rod 42; described axle 17 passes roller 16; baffle plate 19 is passed at two ends respectively; connecting plate 18 is fixing; on connecting plate 18; following two ends are by connecting rod 22; 42 connect the structural member of going up U-loop 20 and following U-loop 40 formation leap cableways, and two structural members are formed leap cableway protection of transition wire 8 by lifting rope 21.
Another technical scheme of the present invention is that aerial cableway comprises traction cableway I, crosses over cableway II, and its construction procedure is:
1) thinner rope one end is ridden out from the object being spanned top, the other end is connected with high-intensity traction endless rope, and will draw endless rope and lead the leap shelves;
2) will draw the cableway bearing rope, cross over the cableway bearing rope and led object being spanned by the traction endless rope successively, traction cableway bearing rope, cross over and be fixed on the iron tower or support bar of crossing over the shelves two ends after tension force in the cableway bearing rope reaches predetermined value;
3) several traction cableway protection of transition wire are hung on iron tower or support bar, movable button by travelling cradle hangs on the traction cableway bearing rope, between each protection of transition wire, connect connection cord, the head and the tail two ends connect overhanging cable and tail rope, after utilizing the pull rope of protection of transition wire that protection of transition wire is led the precalculated position, with the fixation on the iron tower at two ends or support bar respectively of pull rope and tail rope;
4) put by pulling equipment exhibition lead, the ground wire pull rope, and make the sag of lead, ground wire pull rope approaching with the natural sag of traction cableway;
5) after crossing the iron tower of crossing over shelves or support bar, the lead connecting plate stops unwrapping wire, several are crossed over the cableway protection of transition wire hang on iron tower or support bar, and the U-loop by activity hangs over and crosses on the cableway bearing rope, U-loop connects connection cord on protection of transition wire, connect safety protective net at following U-loop, head and the tail two ends at protection of transition wire connect pull rope and tail rope respectively, utilize endless rope that pull rope was led the leap shelves and are connected with pulling equipment;
6) continue to handle that the pulling equipment traction is led, the ground wire pull rope, the pull rope of crossing over the cableway protection of transition wire also is pulled synchronously, when the approaching traction of lead connecting plate cableway protection of transition wire, stop traction, loosen pull rope, the tail rope of traction cableway protection of transition wire, the pull rope of traction cableway protection of transition wire is connected with pulling equipment, continue to handle the pulling equipment unwrapping wire, the pull rope of traction cableway is pulled simultaneously, will draw the cableway protection of transition wire and also regain synchronously when laying leap cableway protection of transition wire;
7) near arriving iron tower or support bar, traction cableway protection of transition wire stops unwrapping wire, regain pull rope, protection of transition wire, connection cord, the tail rope of traction cableway protection of transition wire successively, when regaining traction cableway protection of transition wire, cross over the cableway protection of transition wire and also arrive the precalculated position, will cross over the pull rope, tail rope of cableway protection of transition wire respectively in the iron tower or the support bar fixation of crossing over the shelves two ends;
8) handle pulling equipment continue exhibition put lead, ground wire, lead, the ground wire exhibition puts and finish back adjustment sag, balance hanging wire;
9) remove cableway, regain pull rope, protection of transition wire, connection cord, tail rope, the safety protective net of crossing over the cableway protection of transition wire successively, will draw the cableway bearing rope at last, cross over the withdrawal of cableway bearing rope.
The employed device of a kind of realization said method as shown in Figure 3, Figure 4, comprise traction cableway I, cross over cableway II, described traction cableway I is made up of traction cableway bearing rope 1, pull rope 3, protection of transition wire 4, connection cord 5, tail rope 6, connection cord 5 is connected to each protection of transition wire 4 upper and lower side together, the protection of transition wire head and the tail two ends that fuse connect pull rope 3 and tail rope 6 respectively, and the bearing rope 1 of traction cableway and pull rope 3, the tail rope 6 of protection of transition wire 4 are separately fixed on the iron tower or support bar 12 of crossing over the shelves two ends; Described leap cableway II is made up of bearing rope 2, pull rope 10, protection of transition wire 8, connection cord 7, safety protective net 11, tail rope 9; connection cord 7 is connected to the upper end of protection of transition wire 8 together; safety protective net 11 is connected to the lower end of protection of transition wire 8 forms the complete protection of transition wire of a cover together; the head and the tail two ends of the protection of transition wire that fuses connect pull rope 10 and tail rope 9, and pull rope 10, the tail rope 9 of crossing over cableway bearing rope 2 and protection of transition wire 8 are separately fixed on the iron tower or support bar 12 of crossing over the shelves two ends.
Traction cableway protection of transition wire 4 is as Fig. 7; Fig. 8; shown in Figure 9; comprise axle 23; lower shaft; 24; last wheel 25; lower whorl 26; upper connecting rod 27; lower connecting rod 38; travelling cradle 31; suspension bracket I29; suspension bracket II30; suspension bracket III37; described travelling cradle is by standing part 29; 37; movable part 31 is formed; the described axle 23 of going up passes wheel 25; the end of suspension bracket I29; one end of travelling cradle 31; the end of suspension bracket II30 is fixed; described lower shaft 24 passes lower whorl 26; the end of suspension bracket III37; the other end of travelling cradle 31; the other end of suspension bracket II30 is fixed; upper end at suspension bracket I29; the upper end of suspension bracket II30 is upper connecting rod 27 fixedly; lower end at suspension bracket III37; the lower end of suspension bracket II30 is lower connecting rod 38 fixedly, is used for fixing the upper junction plate 28 of connection cord 5; lower connecting plate 39 is separately fixed at and forms traction cableway protection of transition wire 4 on upper connecting rod 27 and the lower connecting rod 38.The lower end of described suspension bracket 31 has an opening.
The present invention has the following advantages:
1. adopt aerial cableway to carry out the leap construction of tension stringing, the required equipment of aerial cableway is very little, and weight is also very light, and it is very convenient that transportation is got up, and a min-truck can all have been transported, and in the place that vehicle can't travel, uses manpower all can transport;
2. this aerial cableway is set up simply, is made things convenient for, and required workmen is few, only need several workmens can finish setting up of cableway in one day, so construction schedule is fast, the efficiency of construction height;
3. use aerial cableway to cross over construction, be not subjected to the restriction of landform, also be not subjected to the height of object being spanned, the restriction of width, so the applied range of aerial cableway;
Since set up cableway simple and direct, convenient, save time, laborsaving, do not have the occupation of land compensation issue, not limited by landform, therefore, setting up the required expense of aerial cableway, to set up the structural formula crossing frame much lower.In scissors crossing place that can not use the structural formula crossing frame, also can use aerial cableway to cross over construction.Therefore, the power failure phenomenon will greatly reduce when newly-built circuit, and this influence to national defence, economic construction, people's lives also greatly reduces.So, use aerial cableway to cross over construction, not only economic benefit height, and social benefit is also very remarkable;
5. because the cableway bearing rope is that interior strand is knitted structure outward, therefore can guarantee that bearing rope has enough intensity and certain rigidity, and less elongation strain; It is laborsaving to guarantee that protection of transition wire affects on bearing rope, move flexibly, and minimizing is to the wearing and tearing of bearing rope;
6. owing to adopted special insulation protection net, when crossing over working line, can guarantee to cross under the situation that construction meets accident, the leading of newly-built circuit, ground wire do not come in contact with working line;
Embodiments of the invention are respectively schemed referring to following:
Fig. 1 crosses over cableway for the present invention utilizes and crosses over the front view of construction;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 utilizes the traction cableway for the present invention and crosses over cableway and cross over the front view of construction;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is for crossing over the front view of cableway protection of transition wire;
Fig. 6 is the left view of Fig. 5
Fig. 7 is the front view of traction cableway protection of transition wire
Fig. 8 is the left view of Fig. 7;
Fig. 9 is that the A of Fig. 7 is to view;
Figure 10 is the front view of bearing rope;
Figure 11 is that the B-B of Figure 10 is to view;
Figure 12 is the front view of safety protective net;
Figure 13 is that safety protective net parallel section C-C is to view.
Below in conjunction with accompanying drawing embodiments of the invention are described further:
Embodiment 1:
Present embodiment passes through to cross over the cableway protection of transition wire for the lead connecting plate, as shown in Figure 1 and Figure 2.
1. the preparation before the construction:
1) rechecks scissors crossing point sectional drawing, maximum height, the width of geographical situation, meteorological condition, seasonal variations, working line or its barrier in crosspoint carried out repetition measurement.
2), handle ＂ and withdraw from reclosing ＂ application, and send the safety custody personnel to on-the-spot monitoring according to the requirement in " crossing over power circuit stringing construction regulations ".
3), Work tool used in the leap construction, insulation rope, net are rechecked according to the requirement in " crossing over power circuit stringing construction regulations ".
4) complete clean tarpaulin under the iron tower of crossing over the shelves two ends or support bar, insulation rope, net and the connector that the leap construction is used managed successively on tarpaulin and put well.
2. begin to cross over construction:
1) ropeway hauling rope is put in exhibition
Use life rope gun or other reliable method that the silk rope of Φ a 8 * 120m is ridden out from the top of object being spanned, utilize this rope to lead the high-strength nylon rope of Φ a 12 * 200m, this high-strength nylon rope is the rope circuit messenger.
2) the cableway bearing rope is put in exhibition
Use the circulation pull rope, to cross over the cableway bearing rope and lead object being spanned, after the tension force in the bearing rope reaches predetermined value, bearing rope crossed over fixation on shelves two ends iron tower or the support bar, when this tower is tangent tower, should consider that bearing rope tension force is to the stressed influence of iron tower.
3) lay leap cableway protection of transition wire
Ten leap cableway protection of transition wire 8 are hung on iron tower or support bar; hang over and cross on the cableway bearing rope; and pull rope 10, connection cord 7, safety protective net 11, the tail rope 9 of protection of transition wire connected successively; with the traction endless rope pull rope being led the leap shelves is connected with pulling equipment; after protection of transition wire led the precalculated position, with the fixation on the iron tower at two ends or support bar respectively of pull rope, tail rope.
4) exhibition put lead, ground wire
After leap cableway protection of transition wire lays and finishes; can open up put lead, ground wire; the front end of lead connecting plate 14 connects lead pull rope 13; the rear end of lead connecting plate 14 connects lead 15; they all pass among protection of transition wire; put in exhibition lead, during ground wire, should adjust lead, the laying tension of ground wire, make lead, the unwrapping wire sag of ground wire is approaching with the natural sag of crossing over cableway.
5) lead, the adjustment of ground wire sag
Lead, after ground wire exhibition puts and finish, can adjust sag, adjust and lead, need consider to cross over during the ground wire sag influence of cableway sag.
6) remove cableway
Lead, after the adjustment of ground wire sag, balance hanging wire finish, promptly dismountable cableway when removing cableway, is regained pull rope, protection of transition wire and the connection cord of cableway protection of transition wire, safety protective net, tail rope etc. earlier successively, bearing rope is regained again.
The employed device of a kind of realization said method; for crossing over cableway II; described leap cableway II is made up of bearing rope 2, pull rope 10, protection of transition wire 8, connection cord 7, safety protective net 11, tail rope 9; connection cord 7 is connected to the upper end of ten protection of transition wire 8 together; safety protective net 11 is connected to the lower end of protection of transition wire 8 forms the complete protection of transition wire of a cover together, and the protection of transition wire that connects together head and the tail two ends fixed tractive 10 and tail rope 9 respectively constitute with bearing rope 2 and cross over cableways.The bearing rope of crossing over cableway is that interior strand is knitted structure outward, as Figure 10, shown in Figure 11.Described safety protective net is formed by the braiding of insulation rope as shown in Figure 12 and Figure 13, is installed with insulating sleeve 36 on the parallel 35 of safety protective net.
Cross over cableway protection of transition wire 8 as Fig. 5, shown in Figure 6; comprise upper and lower two structural members that structure is identical; structural member comprises axle 17, roller 16, connecting plate 18, baffle plate 19, goes up U-loop 20, following U-loop 40, upper connecting rod 22, lower connecting rod 42; described axle 17 passes that baffle plate 19 is passed at roller 16, two ends respectively, connecting plate 18 is fixing; upper/lower terminal at connecting plate 18 passes through the structural member that connecting rod 22,42 connects U-loop 20 and following U-loop 40 formation leap cableways, and two structural members are crossed over cableway protection of transition wire 8 by lifting rope 21 compositions.
Embodiment 2:
Present embodiment lead connecting plate is not by crossing over the cableway protection of transition wire, as shown in Figure 3, Figure 4:
1. the preparation before the construction
1) rechecks scissors crossing point sectional drawing, maximum height, the width of geographical situation, meteorological condition, seasonal variations working line or its barrier in crosspoint carried out repetition measurement.
2), handle ＂ and withdraw from reclosing ＂ application, and send the safety custody personnel to on-the-spot monitoring according to the requirement in " crossing over power circuit stringing construction regulations ".
3), Work tool used in the leap construction, insulation rope, net are rechecked according to the requirement in " crossing over power circuit stringing construction regulations ".
4) complete clean tarpaulin under the iron tower of crossing over the shelves two ends or support bar, insulation rope, net and the connector that the leap construction is used managed successively on tarpaulin and put well.
2. begin to cross over construction:
1) ropeway hauling rope is put in exhibition
Use life rope gun or other reliable method that the silk rope of Φ a 8 * 120m is ridden out from the top of object being spanned, utilize this rope to lead the high-strength nylon rope of Φ a 12 * 200m, this high-strength nylon rope is the rope circuit messenger.
2) the cableway bearing rope is put in exhibition
Use the circulation pull rope, to draw cableway, cross over the cableway bearing rope and led object being spanned successively, after the tension force in the bearing rope reaches predetermined value, with bearing rope fixation on the iron tower of crossing over the shelves two ends or support bar, when this tower is tangent tower, should consider that bearing rope tension force is to the stressed influence of iron tower.
3) lay traction cableway protection of transition wire
Ten leap cableway protection of transition wire 4 are hung on iron tower or support bar; hang over and cross on the cableway bearing rope; and pull rope 3, connection cord 5, the tail rope 6 of protection of transition wire connected successively; with the traction endless rope pull rope was led the leap shelves; after will drawing cableway protection of transition wire 4 and leading the precalculated position, two ends fixation on iron tower or support bar.
4) exhibition put lead, the ground wire pull rope, traction is after cableway lays, can open up put lead, the ground wire pull rope, exhibition is put and is led, during the ground wire pull rope, should note adjusting the tension force of pull rope, makes the unwrapping wire sag of pull rope approaching with the natural sag of traction cableway.
5) lay leap cableway protection of transition wire, regain traction cableway protection of transition wire
After the lead connecting plate is crossed leap shelves iron tower or support bar; stop unwrapping wire; ten leap cableway protection of transition wire 8 are hung on iron tower or support bar; hang over and cross on the cableway bearing rope; and protection of transition wire pull rope 10, connection cord 7, safety protective net 11, tail rope 9 connected successively, with the traction endless rope pull rope was led and cross over shelves and be connected with pulling equipment.
After above-mentioned work is finished; can continue unwrapping wire; the pull rope that cross over the cableway protection of transition wire this moment is sync pulling also; when the approaching traction of lead connecting plate cableway protection of transition wire; stop unwrapping wire; loosen pull rope, the tail rope of traction cableway protection of transition wire; and the pull rope that will draw the cableway protection of transition wire also connects with pulling equipment; continue unwrapping wire again; when continuing unwrapping wire, the pull rope of traction cableway protection of transition wire is sync pulling also, like this; when laying leap cableway protection of transition wire, also will draw the cableway protection of transition wire and regain synchronously.
Stop unwrapping wire in the time of near the traction cableway protection of transition wire of regaining arrives iron tower or support bar; pull rope, protection of transition wire, connection cord, the tail rope of traction cableway protection of transition wire are regained successively; be placed on the tarpaulin; at this moment; the protection of transition wire of crossing over cableway also arrives the precalculated position; with the fixation on the iron tower at two ends or support bar respectively of the pull rope, tail rope of crossing over the cableway protection of transition wire; at this moment; traction cableway protection of transition wire reclaims and finishes, and leap cableway protection of transition wire lays to be finished.
6) exhibition put lead, ground wire
After leap cableway protection of transition wire lays and finishes; can open up put lead, ground wire; the front end of lead connecting plate 14 connects lead pull rope 13; the rear end of lead connecting plate 14 connects lead 15; they all pass among protection of transition wire; put in exhibition lead, during ground wire, should adjust lead, the laying tension of ground wire, make lead, the unwrapping wire sag of ground wire is approaching with the natural sag of crossing over cableway.
7) lead, the adjustment of ground wire sag
Lead, after ground wire exhibition puts and finish, can adjust sag, adjust and lead, need consider to cross over during the ground wire sag influence of cableway sag.
8) remove cableway
Lead, after the adjustment of ground wire sag, balance hanging wire finish; it is dismountable cableway; when removing cableway, will cross over pull rope, protection of transition wire, connection cord, safety protective net, the tail rope of cableway protection of transition wire earlier and regain successively, will draw the cableway bearing rope again, cross over the withdrawal of cableway bearing rope.
The employed device of the above-mentioned construction method of a kind of realization, comprise traction cableway I, cross over cableway II, described traction cableway I is made up of traction cableway bearing rope 1, pull rope 3, protection of transition wire 4, connection cord 5, tail rope 6, connection cord 5 is connected to the upper and lower side of ten traction cableway protection of transition wire 4 together, the protection of transition wire head and the tail two ends that connect together connect pull rope 3 and tail rope 6 respectively, constitute the traction cableway with traction cableway bearing rope 1; Described leap cableway II is identical with embodiment 1.
Traction cableway protection of transition wire 4 is as Fig. 7; Fig. 8; shown in Figure 9; comprise axle 23; lower shaft 24; last wheel 25; lower whorl 26; upper connecting rod 27; lower connecting rod 38; travelling cradle 31; suspension bracket I29; suspension bracket II30; suspension bracket III37; the described axle 23 of going up passes wheel 25; the end of suspension bracket I29; one end of travelling cradle 31; suspension bracket II30 fixes; described lower shaft 24 passes lower whorl 26; the end of suspension bracket III37; the other end of travelling cradle 31; suspension bracket II30 fixes; upper end at suspension bracket I29; the upper end of suspension bracket II30 is upper connecting rod 27 fixedly; lower end at suspension bracket III37; the lower end of suspension bracket II30 is lower connecting rod 38 fixedly, is used for fixing the upper junction plate 28 of connection cord 5; lower connecting plate 39 is separately fixed at and forms traction cableway protection of transition wire 4 on upper connecting rod 27 and the lower connecting rod 38.
The lower end of described travelling cradle 31 is for there being a circular arc opening, and this opening will draw cableway protection of transition wire 4 and be enclosed within on the traction cableway bearing rope.
Claims (9)
1. method of utilizing aerial cableway to cross over construction, described aerial cableway is for crossing over cableway, and its construction procedure is:
1) thinner rope one end is ridden out from object being spanned top, the other end is connected with high-intensity traction endless rope, and will draw endless rope and lead quilt and striden shelves;
2) will cross over the cableway bearing rope and lead by the traction endless rope and striden shelves, and cross over and be fixed on the iron tower or support bar of crossing over the shelves two ends after tension force in the cableway bearing rope reaches predetermined value;
3) several are crossed over the cableway protection of transition wire and hang on iron tower or support bar, and hang on two bearing ropes by the last U-loop of structural member on the protection of transition wire, the last U-loop of structural member connects by connection cord on each protection of transition wire, the following U-loop of following structural member connects by safety protective net, connects pull rope and tail rope at the head and the tail two ends of the protection of transition wire that fuses and forms the complete protection of transition wire of a cover;
4) arrive the precalculated position when crossing over the cableway protection of transition wire, pull rope, tail rope are distinguished fixation on iron tower or support bar;
5) exhibition put lead, ground wire, lead, ground wire exhibition puts and finish back adjustment sag, balance hanging wire;
6) remove the leap cableway, regain pull rope, protection of transition wire, connection cord, tail rope, safety protective net successively, at last bearing rope is regained.
2. method of utilizing aerial cableway to cross over construction, described aerial cableway for traction cableway I, cross over cableway II, its construction procedure is:
1) thinner rope one end is ridden out from the object being spanned top, the other end is connected with high-intensity traction endless rope, and will draw endless rope and lead the leap shelves;
2) will draw the cableway bearing rope, cross over the cableway bearing rope and led object being spanned by the traction endless rope successively, traction cableway bearing rope, cross over and be fixed on the iron tower or support bar of crossing over the shelves two ends after tension force in the cableway bearing rope reaches predetermined value;
3) several traction cableway protection of transition wire are hung on iron tower or support bar, movable button by travelling cradle hangs on the traction cableway bearing rope, between each protection of transition wire, connect connection cord, the protection of transition wire head and the tail two ends that fuse connect overhanging cable and tail rope respectively, after utilizing the pull rope of protection of transition wire that protection of transition wire is led the precalculated position, with pull rope and tail rope fixation on the iron tower of crossing over the shelves two ends or support bar respectively;
4) put by pulling equipment exhibition lead, the ground wire pull rope, and make the sag of lead, ground wire pull rope approaching with the natural sag of traction cableway;
5) after crossing the iron tower of crossing over shelves or support bar, the lead connecting plate stops unwrapping wire, several are crossed over the cableway protection of transition wire hang on iron tower or support bar, and the U-loop by activity hangs over and crosses on the cableway bearing rope, connect connection cord at last U-loop, connect safety protective net at following U-loop, the head and the tail two ends of the protection of transition wire that fuses connect pull rope and tail rope respectively, utilize the traction endless rope that pull rope was led the leap shelves and are connected with pulling equipment;
6) continue to handle that the pulling equipment traction is led, the ground wire pull rope, crossing over ropeway hauling rope also is pulled synchronously, when the approaching traction of lead connecting plate cableway protection of transition wire, stop traction, loosen pull rope, the tail rope of traction cableway protection of transition wire, the pull rope of traction cableway protection of transition wire is connected with pulling equipment, continue to handle the pulling equipment unwrapping wire, the pull rope of traction cableway is pulled simultaneously, will draw the cableway protection of transition wire and regain synchronously when laying leap cableway protection of transition wire;
7) near arriving iron tower or support bar, traction cableway protection of transition wire stops unwrapping wire, regain pull rope, protection of transition wire, connection cord, the tail rope of traction cableway protection of transition wire successively, when regaining traction cableway protection of transition wire, cross over the cableway protection of transition wire and also arrive the precalculated position, will cross over the pull rope, tail rope of cableway protection of transition wire respectively in the iron tower or the support bar fixation of crossing over the shelves two ends;
8) handle pulling equipment continue exhibition put lead, ground wire, lead, the ground wire exhibition puts and finish back adjustment sag, balance hanging wire;
9) cableway is crossed in dismounting, regains pull rope, protection of transition wire, connection cord, tail rope, the safety protective net of crossing over the cableway protection of transition wire successively, will draw the cableway bearing rope at last, cross over the withdrawal of cableway bearing rope.
3. realize the employed device of the described leap construction method of claim 1 for one kind; it is characterized in that comprising leap cableway II; described leap cableway II is by crossing over cableway bearing rope (2); cross over ropeway hauling rope (10); cross over cableway protection of transition wire (8); cross over cableway connection cord (7); safety protective net (11); crossing over cableway tail rope (9) forms; crossing over cableway connection cord (7) is connected to each upper end of crossing over cableway protection of transition wire (8) together; safety protective net (11) is connected to each lower end of crossing over cableway protection of transition wire (8) forms the complete protection of transition wire of a cover together; the head and the tail two ends of the protection of transition wire that fuses connect to be crossed over ropeway hauling rope (10) and crosses over cableway tail rope (9), crosses over the leap ropeway hauling rope (10) of cableway bearing rope (2) and protection of transition wire; crossing over cableway tail rope (9) is separately fixed on the iron tower or support bar (12) of crossing over the shelves two ends.
4. realize the employed device of the described leap construction method of claim 2 for one kind, it is characterized in that comprising index cableway I, cross over cableway II, described traction cableway I is by traction cableway bearing rope (1), traction ropeway hauling rope (3), traction cableway protection of transition wire (4), traction cableway connection cord (5), traction cableway tail rope (6) is formed, traction cableway connection cord (5) is connected to each traction cableway protection of transition wire (4) upper and lower side together, the protection of transition wire head and the tail two ends that fuse connect traction ropeway hauling rope (3) and traction cableway tail rope (6) respectively, the bearing rope (1) of traction cableway and the traction ropeway hauling rope (3) of traction cableway protection of transition wire (4), traction cableway tail rope (6) is separately fixed on the iron tower or support bar (12) of crossing over the shelves two ends; Described leap cableway II is by crossing over cableway bearing rope (2); cross over ropeway hauling rope (10); cross over cableway protection of transition wire (8); cross over cableway connection cord (7); safety protective net (11); crossing over cableway tail rope (9) forms; crossing over cableway connection cord (7) is connected to each upper end of crossing over cableway protection of transition wire (8) together; safety protective net (11) is connected to each lower end of crossing over cableway protection of transition wire (8) forms the complete protection of transition wire of a cover together; the head and the tail two ends of the protection of transition wire that fuses connect to be crossed over ropeway hauling rope (10) and crosses over cableway tail rope (9), crosses over the leap ropeway hauling rope (10) of cableway bearing rope (2) and leap cableway protection of transition wire (8); crossing over cableway tail rope (9) is separately fixed on the iron tower or support bar (12) of crossing over the shelves two ends.
5. according to claim 3 or 4 described devices; it is characterized in that crossing over cableway protection of transition wire (8) and comprise axle (17); roller (16); connecting plate (18); baffle plate (19); last U-loop (20); following U-loop (40); lifting rope (21); upper connecting rod (22); lower connecting rod (42); described axle (17) passes roller (16); baffle plate (19) is passed at two ends respectively; connecting plate (18) is fixing; on connecting plate (18); following two ends are by connecting rod (22); (42) U-loop (20) and following U-loop (40) form the structural member of crossing over cableway in the connection, and two structural members are formed leap cableway protection of transition wire (8) by lifting rope (21).
6. device according to claim 4; it is characterized in that drawing cableway protection of transition wire (4) and comprise axle (23); lower shaft (24); last wheel (25); lower whorl (26); upper connecting rod (27); lower connecting rod (38); travelling cradle (31); suspension bracket I (29); suspension bracket II (30); suspension bracket III (37); the described axle (23) of going up passes wheel (25); the end of suspension bracket I (29); one end of travelling cradle (3 1); the end of suspension bracket II (30) is fixed; described lower shaft (24) passes lower whorl (26); the end of suspension bracket III (37); the other end of travelling cradle (31); the other end of suspension bracket II (30) is fixed; upper end in suspension bracket I (29); the upper end of suspension bracket II (30) is upper connecting rod (27) fixedly; lower end in suspension bracket III (37); the lower end of suspension bracket II (30) is lower connecting rod (38) fixedly, is used for fixing the upper junction plate (28) of connection cord (5); lower connecting plate (39) is separately fixed at upper connecting rod (27) and lower connecting rod (38) is gone up formation traction cableway protection of transition wire (4).
7. device according to claim 6 is characterized in that described travelling cradle (31) lower end has an opening.
8. according to claim 3 or 4 described devices, it is characterized in that described traction cableway bearing rope (1), cross over cableway bearing rope (2) for weaving (33) structure outside the interior strand (32).
9. according to claim 3 or 4 described devices, it is characterized in that described safety protective net (11) is formed by insulation rope (34) braiding, at the parallel (35) of catch net insulating sleeve (36) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001208330A CN1152458C (en) | 2000-08-02 | 2000-08-02 | Method and equipment of stride across construction utilizing overhead cableway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001208330A CN1152458C (en) | 2000-08-02 | 2000-08-02 | Method and equipment of stride across construction utilizing overhead cableway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1288276A CN1288276A (en) | 2001-03-21 |
| CN1152458C true CN1152458C (en) | 2004-06-02 |
Family
ID=4588430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001208330A Expired - Lifetime CN1152458C (en) | 2000-08-02 | 2000-08-02 | Method and equipment of stride across construction utilizing overhead cableway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1152458C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738732A (en) * | 2011-04-08 | 2012-10-17 | 上海市电力公司 | Construction method for 500kV line to span highly intensive high-voltage live lines |
| CN102324712A (en) * | 2011-09-19 | 2012-01-18 | 湖北省输变电工程公司 | Method for electrified spanning construction of high-voltage power transmission and transformation line |
| CN102780178A (en) * | 2012-07-19 | 2012-11-14 | 嘉善县供电局 | Obstacle bridging construction method for power line wiring and wiring pulleys |
| CN103001149B (en) * | 2012-12-04 | 2015-06-03 | 陕西送变电工程公司 | Tool for dragging and crossing drainage object and method for crossing drainage object |
| CN104600623A (en) * | 2015-01-16 | 2015-05-06 | 国家电网公司 | High-altitude crossover releasing device for lifting type heavy power cable |
| CN105914656A (en) * | 2016-07-08 | 2016-08-31 | 安徽送变电工程公司 | Ground wire overhead vehicle special for large span |
| CN106229890B (en) * | 2016-07-28 | 2024-04-12 | 郑州东辰科技有限公司 | Construction protection structure for crossing obstacle overhead line |
| CN114221251B (en) * | 2021-10-29 | 2024-01-23 | 中国电建集团贵州电力设计研究院有限公司 | Overlap joint method for iron tower wiring above electrified connection lead |
-
2000
- 2000-08-02 CN CNB001208330A patent/CN1152458C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1288276A (en) | 2001-03-21 |
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