CN103924816A - Installation method for cup type iron tower of ultra-high voltage transmission line - Google Patents
Installation method for cup type iron tower of ultra-high voltage transmission line Download PDFInfo
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- CN103924816A CN103924816A CN201410151183.7A CN201410151183A CN103924816A CN 103924816 A CN103924816 A CN 103924816A CN 201410151183 A CN201410151183 A CN 201410151183A CN 103924816 A CN103924816 A CN 103924816A
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Abstract
An installation method for a cup type iron tower of an ultra-high voltage transmission line comprises the steps of making preparations before construction; assembling and erecting a main holding pole; assembling and erecting a tower leg on tower footing; placing a single main material part and a tower piece for assembling an iron tower body on the ground, lifting the main holding pole and assembling the tower body in a hoisting mode one by one; lifting the main holding pole and hoisting a lower bent arm and an upper bent arm of the iron tower; hoisting a middle cross arm, assembling an auxiliary holding pole on the ground and hoisting the auxiliary holding pole; assembling cross arms on the outer sides on the ground and hoisting the cross arms on the outer sides through the auxiliary holding pole; installing a ground wire bracket and an iron tower accessory; carrying out overhaul and self-inspection to eliminate defects; and dismantling the auxiliary holding pole and the main holding pole, and then finishing the construction. According to the installation method, the problem that a common holding pole is difficult to hoist in position when hoisting parts such as the cross arms on the outer sides are far away from the center of the iron tower is solved, the probability of personnel and machinery injury in the hoisting process of the cross arms on the outer sides of the bent arms is lowered, the overall construction efficiency of the cup type iron tower is improved, and the construction quality of assembling the tower is not influenced.
Description
Technical field
The present invention relates to a kind of power line construction technique, specifically a kind of mounting method of UHV transmission line wine glass-shaped steel tower.
Background technology
In 1000kV work transmission line tower erection construction, wine glass-shaped angle steel tower is cranked arm outside cross-arm because of far away apart from tower center, and weight is larger, and generally organizing tower pole top, to exceed steel tower cross-arm few, causes above-mentioned part to lift by crane difficulty in place; The delay that easily causes the engineering time in place by force, personnel and machinery are easily caused danger.
Extra-high voltage iron tower weight increases, and longitudinally highly increases, and tower window size, change in shape will inevitably cause the increase of hanging piece weight, length to increase, and Hoisting Position is away from steel tower center.Select the pole of appropriate length and lift heavy can meet larger lift heavy and longer hanging piece longitudinal length, but because pole of the prior art is arranged in Ta Wei center, and pole gradient is limited, the tower window size of steel tower particularly lateral dimension increase to cause hanging piece be the difficult point that Hoisting Program need to solve away from steel tower center.According to power construction safety work order regulation, common group of tower should not surpass 15 ° with pole angle of slope, and if want to lift by crane with common pole the limit cross-arm of above situation, angle of slope cannot meet above requirement.
Summary of the invention
For above-mentioned deficiency, the invention provides a kind of mounting method of UHV transmission line wine glass-shaped steel tower, the problem of common pole hoisted in position difficulty when solving hanging piece away from steel tower center.
The present invention solves the technical scheme that its technical problem takes: a kind of mounting method of UHV transmission line wine glass-shaped steel tower, is characterized in that:
Described wine glass-shaped steel tower comprise tower leg, tower body, lower bent lever, on crank arm, middle horizontal smooth and outside is horizontal smooth, described tower leg is fixed on column foot, described tower body lower end is fixed on tower leg, upper end is fixedly installed lower bent lever, the lower end of cranking arm on described is connected with lower bent lever top, horizontal smooth in the middle of upper end is provided with, horizontal smooth two ends in the middle of horizontal smooth being connected in described outside;
Said method comprising the steps of:
(1), before construction, prepare: clear up steel tower construction plant, column foot is also prepared in layout job site, and transportation steel tower is installed required tower material, carries out quality examination and clears up material;
(2), assemble main pole and the main pole that stands up;
(3), the tower leg of assembling on column foot and stand up;
(4), on ground, place main material single-piece and the tower sheet of assembled iron tower tower body, promote main pole, and by part lifting assembling tower body;
(5), promote main pole lift steel tower lower bent lever and on crank arm;
(6), horizontal smooth in the middle of lifting;
(7), at the auxiliary pole of ground assembling, and the auxiliary pole of lifting;
(8), and utilization smooth at assembling outside, ground horizontal stroke assists pole lifting outside horizontal stroke smooth;
(9), earth wire support and steel tower annex are installed;
(10), overhaul and self check elimination defect;
(11), remove auxiliary pole and main pole, complete construction.
Preferably, before construction in set-up procedure, arrange job site comprise arrange four groups of 50KN levels or above land external cable, arrange to concentrate and turn to console, and to take in steel tower tower seat board anchor hole be that stress point is settled to concentrate and turned to console, on turning platform, configure the pull rope of steering power field use and adjust arm rope, arranging working tractor.
Preferably, on ground, adopt triangular steel pole assisted group to load to crank arm, on crank arm, middle cross-arm and outside horizontal stroke smooth.
Preferably, the concrete grammar of lifting pole is, in steel tower assembling process, tower material all starts lifting pole after the neat and fastening bolt of dress and adopt two cover tackle pulley to add a set of balanced pulley group to promote.
Preferably, the auxiliary pole of described lifting comprises the arm of force, mast, connection cable wire, bracing or strutting arrangement, upset cable wire, fixedly suspension member, fixed pulley and stay pipe; Described arm of force one end is connected with mast one end, and the other end is connected with the mast other end by connecting cable wire, and the described arm of force, mast and connection cable wire form triangular structure; One end and bracing or strutting arrangement that the described arm of force is connected with mast are articulated and connected, and the other end of the described arm of force is connected with fixed pulley, and the other end of described mast is connected with fixing suspension member by yoke plate by upset cable wire; The two ends of described stay pipe are connected on the arm of force and mast; Described bracing or strutting arrangement and fixedly suspension member be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth upper, horizontal smooth outer upper end in the middle of bracing or strutting arrangement is positioned at, fixedly suspension member bottom is fixed on the horizontal smooth upper end, centre inside bracing or strutting arrangement, top is provided with hanging hole.
Preferably, the described arm of force comprises arm of force pole-footing, arm of force pole-footing connecting joint, arm of force standard knot, arm bar head connecting joint and the arm bar head connecting successively; Described arm of force pole-footing end is provided with arm of force main connection, described arm of force main connection front end is provided with two main connecting holes of the arm of force being connected with bracing or strutting arrangement, arm of force main connection side is provided with arm of force side connector, and described arm of force side connector front end is provided with the arm of force side connecting hole being connected with mast; On described arm of force pole-footing connecting joint, be provided with the first stay pipe connecting hole that connects stay pipe, the fixed pulley connecting hole that described arm bar crown end is provided with connection fixed pulley is connected cable wire connecting hole with first jiao that is fixedly connected with cable wire; Described mast is provided with mast connector with one end that arm of force side connector is connected, the other end is provided with and is fixedly connected with the upset cable wire connecting hole that second of cable wire connects cable wire connecting hole and fixing upset cable wire, is also provided with the second stay pipe connecting hole that connects stay pipe on mast; Described bracing or strutting arrangement comprises base for supporting and two tongue movable part, in the middle of described base for supporting lower end is fixed on horizontal smooth on, upper end is provided with jointed shaft, and described pair of tongue movable part one end is provided with the fixing hole of interspersed jointed shaft, and the other end is connected with arm of force main connection.
Preferably, the concrete grammar of the auxiliary pole of described lifting comprises the following steps:
(71) on ground, assemble auxiliary pole;
(72) first start strand mill by bracing or strutting arrangement and fixedly suspension member lifting in the middle of being arranged on horizontal smooth on;
(73) wire rope one end is fixed on to the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end is walked around main pole connects motor-driven grinding mill, then start strand mill and make auxiliary pole rising, adjust tricing line, make the mast of auxiliary pole be kept away from tower body side, tricing line should rise and slowly loosen with auxiliary pole;
(74) when being promoted to, auxiliary pole can during installation in place, stop drawing, by tricing line, adjust arm of force main connection position, after utilizing bearing pin that a through hole of two tongues of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and base for supporting is fixed, return pine strand mill, when there is deviation position, swingable tricing line is adjusted position;
(75) start strand mill, auxiliary pole is tightened up with the pull rope that is connected to mast movable end and overturn around base for supporting, when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongues, stop traction, penetrate bolt and fastening after continue again to draw to overturn;
(76) when auxiliary pole reaches required angle, the upset cable wire that connects mast can be adopted bearing pin mode directly be fixed on the hanging hole of fixing suspension member, upset steel adopts yoke plate to connect, and can reach by increasing or reduce the auxiliary pole angle of yoke plate capable of regulating the best angle of lifting.
Preferably, the horizontal smooth concrete grammar in the auxiliary pole lifting of described utilization outside is, lifting the outside cross-arm of cranking arm slightly tilts upward by tower body side, below the cross-arm of outside, both sides joint location respectively penetrates after a bolt hole with sharp spanner, slowly lift again cross-arm will be above both sides joint location by sharp spanner to hole, penetrate bolt, then that all bolts in joint are all first-class and fastening.
Preferably, the angle angle of the described arm of force and mast is between 90～120 degree.
Preferably, described main pole and auxiliary pole are made by high strength steel material.
Good effect of the present invention is: the present invention is by being directly fixed on auxiliary pole the outside top of the middle cross-arm in top of cranking arm, by wide-angle tilt, directly lift the wine glass-shaped steel tower outside cross-arm part of cranking arm, the problem of common pole hoisted in position difficulty while having solved the hanging pieces such as outside cross-arm away from steel tower center, reduced the probability of personnel and mechanical wounding in the outside cross-arm hoisting process of cranking arm, improved the integral construction efficiency of wine glass-shaped steel tower, guaranteed that group tower construction quality is unaffected.
The present invention adopts main pole and auxiliary pole to lift the mode of assembled iron tower, therefore has installation and removal advantage easily; Meanwhile, auxiliary pole is completely with reference to the principle design of tower crane and to have hoisting weight by the processing of professional tower crane factory large, and lifting number of times is few, reduces work high above the ground work amount, the advantage that safety is good; Met the requirement of standardized construction completely, can be used for instructing the standardized construction of extra-high voltage common line tower erection, for UHV demonstration project safe construction, improve work efficiency, realize environmental objective technical support is provided, also for to use construction of the same type to there is great reference value and directive significance in domestic other extra-high voltage project from now on.
Accompanying drawing explanation
Fig. 1 is overall construction flow chart of the present invention;
Fig. 2 is the structural representation of wine glass-shaped steel tower of the present invention;
Fig. 3 is the structural representation of auxiliary pole of the present invention;
Fig. 4 is the structural representation of the auxiliary pole arm of force of the present invention;
Fig. 5 is the structural representation of auxiliary pole mast of the present invention;
Fig. 6 is the local structure for amplifying schematic diagram of the auxiliary pole arm of force of the present invention and mast junction;
Fig. 7 is the lifting schematic diagram of auxiliary pole of the present invention;
Fig. 8 is that the present invention utilizes auxiliary pole to lift the horizontal smooth schematic diagram in outside;
In figure, 11 tower legs, 12 tower bodies, 13 lower bent levers, on 14, crank arm, horizontal smooth in the middle of 15, 16 outside horizontal strokes are smooth, 21 arm of forces, 211 arm of force pole-footing, 2111 arm of force main connections, the main connecting hole of 2112 arm of force, 2113 arm of force side connectors, 2114 arm of force side connecting holes, 212 arm of force pole-footing connecting joints, 2121 first stay pipe connecting holes, 213 arm of force standard knots, 214 arm bar head connecting joints, 215 arm bar heads, 2151 fixed pulley connecting holes, 2152 first jiaos connect cable wire connecting hole, 22 masts, 221 mast connectors, 222 second connect cable wire connecting hole, 223 angle fixing tightwire connecting holes, 224 second stay pipe connecting holes, 23 connect cable wire, 24 bracing or strutting arrangements, 241 base for supporting, 242 pairs of tongue movable parts, 243 jointed shafts, 25 angle fixing tightwires, 26 fixing suspension members, 27 fixed pulleys, 28 stay pipes, 31 main poles, 32 main pole bearing ropes, the outer stay cord of 33 main poles.
The specific embodiment
As shown in Figure 1, the mounting method of a kind of UHV transmission line wine glass-shaped steel tower of the present invention, it comprises the following steps:
(1), before construction, prepare: clear up steel tower construction plant, column foot is also prepared in layout job site, and transportation steel tower is installed required tower material, carries out quality examination and clears up material;
(2), assemble main pole and the main pole that stands up;
(3), the tower leg of assembling on column foot and stand up;
(4), on ground, place main material single-piece and the tower sheet of assembled iron tower tower body, promote main pole, and by part lifting assembling tower body;
(5), promote main pole lift steel tower lower bent lever and on crank arm;
(6), horizontal smooth in the middle of lifting;
(7), at the auxiliary pole of ground assembling, and the auxiliary pole of lifting;
(8), and utilization smooth at assembling outside, ground horizontal stroke assists pole lifting outside horizontal stroke smooth;
(9), earth wire support and steel tower annex are installed;
(10), overhaul and self check elimination defect;
(11), remove auxiliary pole and main pole, complete construction.
As shown in Figure 2, a kind of ultra-high-tension power transmission line wine glass-shaped steel tower that the present invention assembles, it comprise tower leg 11, tower body 12, lower bent lever 13, on crank arm 14, middle horizontal smooth 15 and outside horizontal smooth 16, described tower leg 11 is fixed on column foot, described tower body 12 lower ends are fixed on tower leg 11, and upper end is fixedly installed lower bent lever 13, and 14 lower ends of cranking arm on described are connected with lower bent lever 13 tops, horizontal smooth 15 in the middle of upper end is provided with, horizontal smooth 15 two ends in the middle of described outside horizontal smooth 16 is connected to.
As shown in Figure 3, auxiliary pole of the present invention comprises the arm of force 21 made by high strength steel material, mast 22, connects cable wire 23, bracing or strutting arrangement 24, upset cable wire 25, fixedly suspension member 26, fixed pulley 27 and stay pipe 28, the auxiliary pole of high strength possesses wide-angle lifting function, both simple in structure, use light, the outside cross-arm (containing earth wire support) of again can integral hoisting cranking arm.The described arm of force 21 one end are connected with mast 22 one end, and the other end is connected with the mast other end by connecting cable wire 23, the described arm of force 21, mast 22 and be connected cable wire 23 formation triangular structures, and in the present embodiment, the angle of the arm of force and mast is 90 degree; One end and bracing or strutting arrangement 24 that the described arm of force 21 is connected with mast are articulated and connected, and the other end of the described arm of force 21 is connected with fixed pulley 27, and the other end of described mast 22 is connected with fixing suspension member 26 by yoke plate by upset cable wire 25; The two ends of described stay pipe 28 are connected on the arm of force 21 and mast 22; Described bracing or strutting arrangement 24 and fixedly suspension member 26 be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth on, horizontal smooth outer upper end in the middle of bracing or strutting arrangement 24 is positioned at, fixedly suspension member 26 bottoms are fixed on the horizontal smooth upper end, centre of bracing or strutting arrangement inner side, and top is provided with the hanging hole of fixing upset cable wire 25.
As shown in Figure 4, the arm of force 21 of described auxiliary pole comprises arm of force pole-footing 211, arm of force pole-footing connecting joint 212, arm of force standard knot 213, arm bar head connecting joint 214 and the arm bar head 215 connecting successively; Described arm of force pole-footing 211 ends are provided with arm of force main connection 2111, described arm of force main connection 2111 front ends are provided with two main connecting holes 2112 of the arm of force being connected with bracing or strutting arrangement 24, arm of force main connection 2111 sides are provided with arm of force side connector 2113, and described arm of force side connector 2113 front ends are provided with the arm of force side connecting hole 2114 being connected with mast 22; On described arm of force pole-footing connecting joint 212, be provided with the first stay pipe connecting hole 2121 that connects stay pipe 27, the fixed pulley connecting hole 2151 that described arm bar head 215 tops are provided with connection fixed pulley 28 is connected cable wire connecting hole 2152 with first jiao that is fixedly connected with cable wire 23.
As shown in Figure 5, one end that the mast 22 of described auxiliary pole is connected with the arm of force is provided with mast connector 221, mast connector 221 is connected with the arm of force by being plugged on the bearing pin of arm of force side connecting hole 2114, the other end is provided with and is fixedly connected with the upset cable wire connecting hole 223 that second of cable wire 23 connects cable wire connecting hole 222 and fixing upset cable wire 25, is also provided with the second stay pipe connecting hole 224 that connects stay pipe on mast.
As shown in Figure 6, the bracing or strutting arrangement 24 of described auxiliary pole comprises base for supporting 241 and two tongue movable part 242, described base for supporting 241 lower ends are fixed on middle horizontal smooth 15, upper end is provided with jointed shaft 243, described pair of tongue movable part 242 one end are provided with the fixing hole of interspersed jointed shaft, in order to be articulated and connected with base for supporting 241, the other end is provided with two through holes, in order to be connected with the main connecting hole 2112 of two arm of forces on arm of force main connection 2111 by bearing pin.
As shown in Figure 7, utilizing main pole to lift assists the process of pole as follows:
(71) on ground, assemble auxiliary pole.
(72) first start strand mill by bracing or strutting arrangement and fixedly suspension member lifting in the middle of being arranged on horizontal smooth on.
(73) wire rope one end is fixed on to the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end is walked around main pole connects motor-driven grinding mill, then start strand mill and make auxiliary pole rising, adjust tricing line (take and do not collide as principle), make the mast of auxiliary pole be kept away from tower body side, tricing line should rise and slowly loosen with auxiliary pole.
(74) when being promoted to, auxiliary pole can during installation in place, stop drawing, by tricing line, adjust arm of force main connection position, after utilizing bearing pin that a through hole of two tongues of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and base for supporting is fixed, return pine strand mill, when there is deviation position, swingable tricing line is adjusted position.
(75) start strand mill, auxiliary pole is tightened up with the pull rope that is connected to mast movable end and overturn around base for supporting, when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongues, stop traction, penetrate bolt and fastening after continue again to draw to overturn.
(76) for example, when auxiliary pole reaches required angle (: the arm of force and horizon are 15 °), the upset cable wire that connects mast can be adopted bearing pin mode directly be fixed on the hanging hole of fixing suspension member, upset steel adopts yoke plate to connect, and can reach by increasing or reduce the auxiliary pole angle of yoke plate capable of regulating the best angle of lifting.
As shown in Figure 8, utilize auxiliary pole of the present invention to lift the horizontal smooth process in outside as follows: the outside cross-arm of cranking arm during lifting can slightly be tilted upward by tower body side, below the cross-arm of outside, both sides joint location respectively penetrates after a bolt hole with sharp spanner, slowly lift again cross-arm will be above both sides joint location by sharp spanner to hole, penetrate bolt, then that all bolts in joint are all first-class and fastening.
Auxiliary pole of the present invention adopts both arms posture, and the pole design that utilizes two rod members to combine, is about to the arm of force and mast and combines, and their angles should be greater than 90 °, simple in structure, lightweight.
Main Basis of the present invention Zhe Bei-Foochow 1000kV work transmission line, by outside cross-arm (comprising earth wire support) weight, size that this project wine glass-shaped steel tower is cranked arm, the statistics of cross-arm top length and width sized data above cranking arm, determine lift heavy and lifting amplitude range, design accordingly and optimize the structure of auxiliary pole, and feed back effect and the improvement direction of assisting jib by the practice examining of this project, thereby meet the practice of construction demand of this project, for extra-high voltage engineering from now on provides practical experience.
The safety event should be noted that when carrying out assembled iron tower is as follows.
1, earth anchor is buried points for attention underground
(1) the distance that earth anchor is buried underground and the degree of depth should be carried out in strict accordance with related request, accurately locate with transit, should send special messenger's supervision and check and make a record while burying underground;
(2), if the on-the-spot groundwater table of assembled iron tower is higher, the ground anchor pit degree of depth does not reach requirement, the method that should use sandbag backfill to reinforce during backfill;
(3) if indivedual bracing wires or tricing line should not be buried earth anchor underground, can adopt 3 or 3 above 3T ground auger series connection replacement earth anchors, concrete quantity must be carried out determining after pulling experiment in scene.
2, ground safety regulation
(1) before carrying member, should watch around whether having people and other obstacles, avoid mutual collision; During carrying, should note observing walking road, avoid stepping on sky and drop to; When two people lift fortune member, should take on together, and accomplish with rising with falling; When many people lift fortune, step should be consistent;
(2) assembling place should be smooth, and obstruction should be removed; During burst assembled iron tower, nut should be with flat; Free end answers colligation firm upward time; When assemble on ground, tower material pad should be steadily reliable, forbids finger to stretch into screw centering;
(3), in hanging piece lifting, process in place, forbid to carry out ground assembling under a hanging piece;
(4) corner block monitoring personnel must be in the lifting forward direction ground control normal condition of reporting;
(5) before lifting, ground handling personnel must clear up wire rope and tackle pulley, prevent wirerope-winding, beat strand;
(6) survey crew application transit is monitored pole at any time, in time to floor manager report pole inclination situation; To coordinate the upper orchestration lifting of commander in chief and Ta.
3, lifting operation security regulations
(1) while lifting by crane, on tower, personnel should stand in home inside tower body, and pay close attention to the working condition of tower upper pulley and wire rope; Observe hanging piece and whether collide with tower body, note receiving commanding's message;
(2) while lifting by crane, the vertical lower of hoisting component must not have people, avoids bilayer and multilayer operation as far as possible;
(3) lifting rope and tower material contact position should pad hardwood or soft thing, prevent from strangling bad tower material or cut off lifting rope; Hanging piece approaches when in place, and hauling speed should slow down, upper and lower close fit, and on tower, commanding's delivering should be clear and definite;
(4) on tower, assemble article used and must place safely, prevent from falling and hurt sb.'s feelings; The instruments such as the sharp spanner using on tower, double offset ring spanner will be fastened tail rope without exception, during operation, tail rope will be fixed on tower; Nut in place should be contained in canvas bag and be firmly linked with on hanging piece and together sling with hanging piece;
(5) forbid from tower any article of tossing, assembly apparatus application rope transmits up and down;
(6) the lifting of tower material must be worked continuously, and pole must not spend the night by on-load; Work high above the ground personnel should load onto the tower material putting in place in time, forbid hanging piece to spend the night aloft or floating resting on tower; Forbid to assist material to float and be placed on tower, in order to avoid grab by mistake and step on and lead to a disaster by mistake;
(7) in lifting process, as there are abnormal conditions, should stop immediately traction and ascertain the reason, forbid to lift by crane by force;
(8) in tower part lifting process and when in place, tricing line operating personnel should note floor manager signal at any time.
4, trailer system
(1) motor-driven grinding mill operation should be responsible for by special messenger, and can on dutyly operate through training after qualified;
Motor-driven grinding mill operating personnel should before going into operation, test and check brakes whether reliable, check whether wire rope turnover blocks reel and other objects of the place ahead;
(3) motor-driven grinding mill operating personnel could start motor-driven grinding mill after must obtaining commanding starting-up signal, while receiving the stopping signal that anyone sends, and must hard stop; On-stream should collecting one's thoughts, submit onself to someone's direction order operates, and duration of work must not leave work position without authorization.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (10)
1. a mounting method for UHV transmission line wine glass-shaped steel tower, is characterized in that:
Described wine glass-shaped steel tower comprise tower leg, tower body, lower bent lever, on crank arm, middle horizontal smooth and outside is horizontal smooth, described tower leg is fixed on column foot, described tower body lower end is fixed on tower leg, upper end is fixedly installed lower bent lever, the lower end of cranking arm on described is connected with lower bent lever top, horizontal smooth in the middle of upper end is provided with, horizontal smooth two ends in the middle of horizontal smooth being connected in described outside;
Said method comprising the steps of:
(1), before construction, prepare: clear up steel tower construction plant, column foot is also prepared in layout job site, and transportation steel tower is installed required tower material, carries out quality examination and clears up material;
(2), assemble main pole and the main pole that stands up;
(3), the tower leg of assembling on column foot and stand up;
(4), on ground, place main material single-piece and the tower sheet of assembled iron tower tower body, promote main pole, and by part lifting assembling tower body;
(5), promote main pole lift steel tower lower bent lever and on crank arm;
(6), horizontal smooth in the middle of lifting;
(7), at the auxiliary pole of ground assembling, and the auxiliary pole of lifting;
(8), and utilization smooth at assembling outside, ground horizontal stroke assists pole lifting outside horizontal stroke smooth;
(9), earth wire support and steel tower annex are installed;
(10), overhaul and self check elimination defect;
(11), remove auxiliary pole and main pole, complete construction.
2. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, it is characterized in that: before construction in set-up procedure, arrange job site comprise arrange four groups of 50KN levels or above land external cable, arrange to concentrate and turn to console, and to take in steel tower tower seat board anchor hole be that stress point is settled to concentrate and turned to console, on turning platform, configure the pull rope of steering power field use and adjust arm rope, arranging working tractor.
3. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 1, it is characterized in that: on ground, adopt triangular steel pole assisted group to load to crank arm, on crank arm, middle cross-arm and outside horizontal stroke smooth.
4. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 1, it is characterized in that: the concrete grammar of lifting pole is, in steel tower assembling process, tower material all starts lifting pole after the neat and fastening bolt of dress and adopts two cover tackle pulley to add a set of balanced pulley group to promote.
5. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 1, it is characterized in that: the auxiliary pole of described lifting comprises the arm of force, mast, connection cable wire, bracing or strutting arrangement, upset cable wire, fixedly suspension member, fixed pulley and stay pipe; Described arm of force one end is connected with mast one end, and the other end is connected with the mast other end by connecting cable wire, and the described arm of force, mast and connection cable wire form triangular structure; One end and bracing or strutting arrangement that the described arm of force is connected with mast are articulated and connected, and the other end of the described arm of force is connected with fixed pulley, and the other end of described mast is connected with fixing suspension member by yoke plate by upset cable wire; The two ends of described stay pipe are connected on the arm of force and mast; Described bracing or strutting arrangement and fixedly suspension member be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth upper, horizontal smooth outer upper end in the middle of bracing or strutting arrangement is positioned at, fixedly suspension member bottom is fixed on the horizontal smooth upper end, centre inside bracing or strutting arrangement, top is provided with hanging hole.
6. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 5, it is characterized in that: the described arm of force comprises arm of force pole-footing, arm of force pole-footing connecting joint, arm of force standard knot, arm bar head connecting joint and the arm bar head connecting successively; Described arm of force pole-footing end is provided with arm of force main connection, described arm of force main connection front end is provided with two main connecting holes of the arm of force being connected with bracing or strutting arrangement, arm of force main connection side is provided with arm of force side connector, and described arm of force side connector front end is provided with the arm of force side connecting hole being connected with mast; On described arm of force pole-footing connecting joint, be provided with the first stay pipe connecting hole that connects stay pipe, the fixed pulley connecting hole that described arm bar crown end is provided with connection fixed pulley is connected cable wire connecting hole with first jiao that is fixedly connected with cable wire; Described mast is provided with mast connector with one end that arm of force side connector is connected, the other end is provided with and is fixedly connected with the upset cable wire connecting hole that second of cable wire connects cable wire connecting hole and fixing upset cable wire, is also provided with the second stay pipe connecting hole that connects stay pipe on mast; Described bracing or strutting arrangement comprises base for supporting and two tongue movable part, in the middle of described base for supporting lower end is fixed on horizontal smooth on, upper end is provided with jointed shaft, and described pair of tongue movable part one end is provided with the fixing hole of interspersed jointed shaft, and the other end is connected with arm of force main connection.
7. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 5, it is characterized in that: the concrete grammar of the auxiliary pole of described lifting comprises the following steps:
(71) on ground, assemble auxiliary pole;
(72) first start strand mill by bracing or strutting arrangement and fixedly suspension member lifting in the middle of being arranged on horizontal smooth on;
(73) wire rope one end is fixed on to the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end is walked around main pole connects motor-driven grinding mill, then start strand mill and make auxiliary pole rising, adjust tricing line, make the mast of auxiliary pole be kept away from tower body side, tricing line should rise and slowly loosen with auxiliary pole;
(74) when being promoted to, auxiliary pole can during installation in place, stop drawing, by tricing line, adjust arm of force main connection position, after utilizing bearing pin that a through hole of two tongues of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and base for supporting is fixed, return pine strand mill, when there is deviation position, swingable tricing line is adjusted position;
(75) start strand mill, auxiliary pole is tightened up with the pull rope that is connected to mast movable end and overturn around base for supporting, when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongues, stop traction, penetrate bolt and fastening after continue again to draw to overturn;
(76) when auxiliary pole reaches required angle, the upset cable wire that connects mast can be adopted bearing pin mode directly be fixed on the hanging hole of fixing suspension member, upset steel adopts yoke plate to connect, and can reach by increasing or reduce the auxiliary pole angle of yoke plate capable of regulating the best angle of lifting.
8. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 5, it is characterized in that: the horizontal smooth concrete grammar in the auxiliary pole lifting of described utilization outside is, lifting the outside cross-arm of cranking arm slightly tilts upward by tower body side, below the cross-arm of outside, both sides joint location respectively penetrates after a bolt hole with sharp spanner, slowly lift again cross-arm will be above both sides joint location by sharp spanner to hole, penetrate bolt, then that all bolts in joint are all first-class and fastening.
9. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 5, it is characterized in that: the angle angle of the described arm of force and mast is between 90～120 degree.
10. according to the mounting method of a kind of UHV transmission line wine glass-shaped steel tower described in claim 1-9, it is characterized in that: described main pole and auxiliary pole are made by high strength steel material.
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| CN104594696A (en) * | 2014-12-19 | 2015-05-06 | 国家电网公司 | Construction method for assembling 1000 kV tangent suspension tower through double holding poles |
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| CN111877846B (en) * | 2020-07-31 | 2021-11-05 | 山西塔沃电力工程设计有限公司 | Construction method for metal pole tower of high-low voltage transmission line |
| CN111877846A (en) * | 2020-07-31 | 2020-11-03 | 杨星 | Construction method for metal pole tower of high-low voltage transmission line |
| CN113336108A (en) * | 2021-04-21 | 2021-09-03 | 中国化学工程第三建设有限公司 | Movable mast tool for dismantling high-altitude tower crane in cooling tower |
| CN113338699A (en) * | 2021-06-28 | 2021-09-03 | 青海送变电工程有限公司 | Auxiliary hoisting device for outer side cross arm of power transmission line T-shaped iron tower |
| CN114412264A (en) * | 2021-12-28 | 2022-04-29 | 桂林航天工业学院 | Attached type self-adaptive herringbone holding rod rigid supporting device on tower |
| CN114183009A (en) * | 2022-01-24 | 2022-03-15 | 北京城建集团有限责任公司 | Method for mounting circuit bracket |
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| CN117703164B (en) * | 2024-02-05 | 2024-04-09 | 辽宁省送变电工程有限公司 | Automatic lifting device for assembling leg sections of high and low iron towers |
| CN118239394A (en) * | 2024-05-24 | 2024-06-25 | 华东送变电工程有限公司 | Hoisting device for beam of ultra-high voltage electric tower |
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