CN103924816B - A kind of mounting method of UHV transmission line wine glass-shaped steel tower - Google Patents

A kind of mounting method of UHV transmission line wine glass-shaped steel tower Download PDF

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Publication number
CN103924816B
CN103924816B CN201410151183.7A CN201410151183A CN103924816B CN 103924816 B CN103924816 B CN 103924816B CN 201410151183 A CN201410151183 A CN 201410151183A CN 103924816 B CN103924816 B CN 103924816B
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China
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arm
tower
pole
force
lifting
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CN201410151183.7A
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Chinese (zh)
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CN103924816A (en
Inventor
马凤臣
王东波
丁宝民
苏秀成
李波
王洪英
单军
栾勇
傅启光
王曦辰
刘博晗
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山东送变电工程公司
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Publication of CN103924816A publication Critical patent/CN103924816A/en
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Publication of CN103924816B publication Critical patent/CN103924816B/en

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Abstract

A mounting method for UHV transmission line wine glass-shaped steel tower, it comprises the following steps: prepare before construction; Assemble main pole and the main pole that stands up; Column foot is assembled and the tower leg that stands up; Place main material single-piece and the tower sheet of assembled iron tower tower body on ground, promote main pole, and tower body is assembled in lifting piece by piece; Promote main pole carry out lifting steel tower lower bent lever and on crank arm; Horizontal smooth in the middle of lifting; At the auxiliary pole of ground assembling, and the auxiliary pole of lifting; Horizontal smooth and utilize auxiliary pole lifting outside horizontal smooth in assembling outside, ground; Earth wire support and steel tower annex are installed; Carry out overhauling and self-inspection, eliminate defect; Remove auxiliary pole and main pole, complete construction.The invention solves the problem of the hanging pieces such as outside cross-arm away from pole hoisted in position difficulty common during steel tower center, reduce the probability of personnel and mechanical wounding in outside cross-arm hoisting process of cranking arm, improve the integral construction efficiency of wine glass-shaped steel tower, ensure that group tower construction quality is unaffected.

Description

A kind of mounting method of UHV transmission line wine glass-shaped steel tower

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 the construction of 1000kV work transmission line tower erection, wine glass-shaped angle steel tower cranks arm outside cross-arm because of comparatively far away apart from tower center, and weight is comparatively large, and general group tower pole top exceeds steel tower cross-arm seldom, causes above-mentioned part to lift by crane difficulty in place; The delay easily causing 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 increases, 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 causes hanging piece to be the difficult point that Hoisting Program needs solve away from steel tower center.According to power construction safety work order regulation, common group of tower pole angle of slope no more than 15 °, and if want the limit cross-arm lifting by crane above situation with common pole, 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, in order to solve the problem of hanging piece away from pole hoisted in position difficulty common during 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, lower end of cranking arm on described is connected with lower bent lever top, upper end is provided with middle horizontal smooth, and described outside horizontal stroke is smooth is connected to middle horizontal smooth two ends;

Said method comprising the steps of:

(1), prepare before construction: clear up steel tower construction plant, arrange that job site also prepares column foot, required tower material installed by transport steel tower, carries out quality examination and clears up material;

(2), main pole is assembled and the main pole that stands up;

(3), to assemble on column foot and the tower leg that stands up;

(4), place main material single-piece and the tower sheet of assembled iron tower tower body on ground, promote main pole, and lifting assembling tower body piece by piece;

(5), promote main pole carry out lifting 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), horizontal smooth and utilize auxiliary pole lifting outside horizontal smooth in assembling outside, ground;

(9), earth wire support and steel tower annex are installed;

(10), carry out overhauling and self-inspection, eliminate defect;

(11), remove auxiliary pole and main pole, complete construction.

Preferably, before construction in set-up procedure, arrange job site comprise layout four groups of 50KN levels or more land external cable, arrange concentrate course changing control platform, and with anchor hole in steel tower tower seat board for stress point settles concentrated course changing control platform, turning platform configure the pull rope of steering power field and adjust arm rope, arranging working tractor.

Preferably, adopt triangular steel pole assisted group to load on ground 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 fills neat and namely starts lifting pole after fastening bolt and adopt two cover tackle pulley to add a set of balanced pulley group to promote.

Preferably, described lifting assists pole to comprise the arm of force, mast, connection cable wire, bracing or strutting arrangement, upset cable wire, fixing 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 that the described arm of force is connected with mast and bracing or strutting arrangement 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 fixing suspension member be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth on, bracing or strutting arrangement is positioned at middle horizontal smooth outer upper end, and be fixed on the horizontal smooth upper end, centre inside bracing or strutting arrangement bottom fixing suspension member, top is provided with hanging hole.

Preferably, the described arm of force comprises the 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 that connect 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 be connected with bracing or strutting arrangement, arm of force main connection side is provided with arm of force side connector, and connector front end, described arm of force side is provided with the arm of force side connecting hole be connected with mast; Described arm of force pole-footing connecting joint is provided with the first stay pipe connecting hole connecting stay pipe, described arm bar crown end is provided with the fixed pulley connecting hole connecting fixed pulley and is connected cable wire connecting hole with first jiao of being fixedly connected with cable wire; One end that described mast is connected with arm of force side connector is provided with mast connector, the other end is provided with the upset cable wire connecting hole being fixedly connected with second of cable wire and connecting cable wire connecting hole and fixing upset cable wire, mast is also provided with the second stay pipe connecting hole connecting stay pipe; Described bracing or strutting arrangement comprises base for supporting and two tongue movable part, described base for supporting lower end be fixed on middle 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, described lifting assists the concrete grammar of pole to comprise the following steps:

(71) carry out on ground assembling auxiliary pole;

(72) first start strand mill bracing or strutting arrangement and the lifting of fixing suspension member are arranged on middle horizontal smooth on;

(73) wire rope one end is fixed on the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end walks around main pole connects motor-driven grinding mill, then starting strand mill makes auxiliary pole slowly rise, adjustment tricing line, make the mast of auxiliary pole be kept away from tower body side, tricing line should rise with auxiliary pole and slowly loosen;

(74) traction can be stopped during installation in place when auxiliary pole is promoted to, with tricing line adjustment arm of force main connection position, after utilizing bearing pin to be fixed by a through hole of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and two tongues of base for supporting, return pine strand mill, swingable tricing line adjustment position when there is a deviation position;

(75) strand mill is started, auxiliary pole is tightened up with the pull rope being connected to mast movable end and overturn around base for supporting, stops draw when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongue, penetrate bolt and fastening after again continuation draw and overturn;

(76) when auxiliary pole reaches required angle, can bearing pin mode be adopted directly to be fixed on the hanging hole of fixing suspension member the upset cable wire connecting mast, upset steel adopts yoke plate to connect, and pole angle can be assisted to reach the best angle of lifting by increasing or reduce yoke plate adjustable.

Preferably, described utilization assists pole to lift the horizontal smooth concrete grammar in outside, lifting cranks arm outside cross-arm by tower body side slightly toward upwarping, after below the cross-arm of outside, both sides joint location respectively penetrates a bolt with sharp spanner to hole, slowly lift again cross-arm will above both sides joint location by sharp spanner to hole, penetrate bolt, then by all first-class and fastening for all for joint bolts.

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 the outside top of cross-arm in the middle of top of cranking arm by auxiliary pole, directly lift wine glass-shaped steel tower by wide-angle tilt to crank arm outside cross-arm part, solve the problem of the hanging pieces such as outside cross-arm away from pole hoisted in position difficulty common during steel tower center, reduce the probability of personnel and mechanical wounding in outside cross-arm hoisting process of cranking arm, improve the integral construction efficiency of wine glass-shaped steel tower, ensure that group tower construction quality is unaffected.

The present invention adopts main pole and auxiliary pole to carry out lifting the mode of assembled iron tower, therefore has installation and removal advantage easily; Meanwhile, the complete principle design with reference to tower crane of auxiliary pole also has hoisting weight greatly by the processing of professional tower crane factory, and lifting number of times is few, minimizing work high above the ground work amount, the advantage that safety is good; Meet the requirement of standardized construction completely, can be used for the standardized construction instructing extra-high voltage common line tower erection, for UHV demonstration project safe construction, improve work efficiency, realize environmental objective and provide technical support, also use construction of the same type to have great reference value and directive significance in other extra-high voltage project domestic 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 partial enlargement structural representation 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 carry out lifting the horizontal smooth schematic diagram in outside;

In figure, 11 tower legs, 12 tower bodies, 13 lower bent levers, crank arm on 14, horizontal smooth in the middle of 15, horizontal smooth outside 16, 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.

Detailed description of the invention

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), prepare before construction: clear up steel tower construction plant, arrange that job site also prepares column foot, required tower material installed by transport steel tower, carries out quality examination and clears up material;

(2), main pole is assembled and the main pole that stands up;

(3), to assemble on column foot and the tower leg that stands up;

(4), place main material single-piece and the tower sheet of assembled iron tower tower body on ground, promote main pole, and lifting assembling tower body piece by piece;

(5), promote main pole carry out lifting 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), horizontal smooth and utilize auxiliary pole lifting outside horizontal smooth in assembling outside, ground;

(9), earth wire support and steel tower annex are installed;

(10), carry out overhauling and self-inspection, eliminate defect;

(11), remove auxiliary pole and main pole, complete construction.

As shown in Figure 2, the present invention carries out a kind of ultra-high-tension power transmission line wine glass-shaped steel tower assembled, 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 end is 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 top, upper end is provided with middle horizontal smooth 15, and described outside horizontal smooth 16 is connected to the middle two ends of horizontal smooth 15.

As shown in Figure 3, auxiliary pole of the present invention comprise be made up of high strength steel material the arm of force 21, mast 22, connect cable wire 23, bracing or strutting arrangement 24, upset cable wire 25, fixing suspension member 26, fixed pulley 27 and stay pipe 28, high strength assists pole to possess wide-angle lifting function, both structure simple, use light, can integral hoisting to crank arm outside cross-arm (containing earth wire support) again.The described arm of force 21 one end is 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 be connected cable wire 23 and form triangular structure, in the present embodiment, the angle of the arm of force and mast is 90 degree; One end that the described arm of force 21 is connected with mast and bracing or strutting arrangement 24 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 fixing suspension member 26 be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth on, bracing or strutting arrangement 24 is positioned at middle horizontal smooth outer upper end, be fixed on the horizontal smooth upper end, centre inside bracing or strutting arrangement bottom fixing suspension member 26, 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 the 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 that connect successively; Described arm of force pole-footing 211 end is provided with arm of force main connection 2111, described arm of force main connection 2111 front end is provided with two main connecting holes 2112 of the arm of force be connected with bracing or strutting arrangement 24, arm of force main connection 2111 side is provided with arm of force side connector 2113, and connector 2113 front end, described arm of force side is provided with the arm of force side connecting hole 2114 be connected with mast 22; Described arm of force pole-footing connecting joint 212 is provided with the first stay pipe connecting hole 2121 connecting stay pipe 27, described arm bar head 215 top is provided with the fixed pulley connecting hole 2151 connecting fixed pulley 28 and is connected cable wire connecting hole 2152 with first jiao of being 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 the bearing pin being plugged on arm of force side connecting hole 2114, the other end is provided with the upset cable wire connecting hole 223 being fixedly connected with second of cable wire 23 and connecting cable wire connecting hole 222 and fixing upset cable wire 25, mast is also provided with the second stay pipe connecting hole 224 connecting stay pipe.

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 end is fixed on middle horizontal smooth 15, upper end is provided with jointed shaft 243, described pair of tongue movable part 242 one end is 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 the arm of force of two on arm of force main connection 2111 by bearing pin.

As shown in Figure 7, main pole is utilized to carry out lifting the process of auxiliary pole as follows:

(71) carry out on ground assembling auxiliary pole.

(72) first start strand mill bracing or strutting arrangement and the lifting of fixing suspension member are arranged on middle horizontal smooth on.

(73) wire rope one end is fixed on the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end walks around main pole connects motor-driven grinding mill, then starting strand mill makes auxiliary pole slowly rise, adjustment tricing line (not collide for principle), make the mast of auxiliary pole be kept away from tower body side, tricing line should rise with auxiliary pole and slowly loosen.

(74) traction can be stopped during installation in place when auxiliary pole is promoted to, with tricing line adjustment arm of force main connection position, after utilizing bearing pin to be fixed by a through hole of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and two tongues of base for supporting, return pine strand mill, swingable tricing line adjustment position when there is a deviation position.

(75) strand mill is started, auxiliary pole is tightened up with the pull rope being connected to mast movable end and overturn around base for supporting, stops draw when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongue, penetrate bolt and fastening after again continuation draw and overturn.

(76) when auxiliary pole reaches required angle (such as: the arm of force and horizon are 15 °), can bearing pin mode be adopted directly to be fixed on the hanging hole of fixing suspension member the upset cable wire connecting mast, upset steel adopts yoke plate to connect, and pole angle can be assisted to reach the best angle of lifting by increasing or reduce yoke plate adjustable.

As shown in Figure 8, auxiliary pole of the present invention is utilized to carry out lifting the horizontal smooth process in outside as follows: cranking arm outside cross-arm during lifting can slightly toward upwarping by tower body side, after below the cross-arm of outside, both sides joint location respectively penetrates a bolt with sharp spanner to hole, slowly lift again cross-arm will above both sides joint location by sharp spanner to hole, penetrate bolt, then by all first-class and fastening for all for joint bolts.

Auxiliary pole of the present invention adopts both arms posture, and the pole utilizing two rod members to carry out combining designs, and combine by the arm of force and mast, their angles should be greater than 90 °, and structure is simple, lightweight.

Main Basis Zhe Bei of the present invention-Foochow 1000kV work transmission line, by outside cross-arm (comprising earth wire support) weight, the size of cranking arm to this project wine glass-shaped steel tower, the statistics of cross-arm top length and width sized data above cranking arm, determine lift heavy and lifting amplitude range, design and optimize the structure of auxiliary pole accordingly, and effect and the improvement direction of jib is assisted by the practice examining feedback of this project, thus meet the practice of construction demand of this project, for extra-high voltage project from now on provides practical experience.

The safety event that should be noted that when carrying out assembled iron tower is as follows.

1, points for attention buried underground by earth anchor

(1) the distance buried underground of earth anchor and the degree of depth should be carried out in strict accordance with related request, accurately locate, should send special messenger's supervision and check and make a record when burying underground with transit;

(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, and sandbag should be used during backfill to backfill the method for reinforcing;

If (3) indivedual bracing wire or tricing line should not bury earth anchor underground, more than 3 or 3 3T ground auger series connection can be adopted to replace earth anchor, determine after pulling experiment is carried out at concrete quantity palpus scene.

2, ground safety regulation

(1) should watch before carrying component and whether have people and other obstacles around, avoid mutual collision; Should note during carrying observing walking road, avoid stepping on sky and drop to; Two people should with shoulder, and accomplish with rising with falling when lifting fortune component; 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 upward time answer colligation firm; During the assembling of 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 care provider must to report normal condition lifting forward direction ground control;

(5), before lifting, surface personnel must clear up wire rope and tackle pulley, prevents wirerope-winding, beats strand;

(6) survey crew application transit is monitored pole at any time, in time to floor manager report pole inclination conditions; To coordinate orchestration lifting on commander in chief and Ta.

3, lifting operation security regulations

(1), when lifting by crane, on tower, personnel should stand in tower body inboard air position, and pay close attention to the working condition of tower upper pulley and wire rope; Observe hanging piece whether to collide with tower body, note the message receiving commanding;

(2) during lifting, 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 cutting off lifting rope; Hanging piece is close to time 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) tower being assembled article used must place safe, prevents whereabouts from hurting sb.'s feelings; The instrument such as sharp spanner, double offset ring spanner that tower uses will fasten tail rope without exception, will be fixed on tower by tail rope during operation; Nut in place should to be contained in canvas bag and to be firmly linked with and together sling with hanging piece on hanging piece;

(5) forbid to toss any article from tower, 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; The tower material put in place should be loaded onto by work high above the ground personnel in time, forbids hanging piece to spend the night aloft or float to rest on tower; Forbid to be placed on floating for auxiliary material on tower, lead to a disaster in order to avoid grab to step on by mistake by mistake;

(7), as there are abnormal conditions in lifting process, should traction be stopped immediately ascertaining the reason, forbid to lift by crane by force;

(8), in tower part lifting process and time in place, tricing line operating personnel should note floor manager signal at any time.

4, trailer system

Motor-driven grinding mill operation should be responsible for by special messenger, and through train qualified after can on dutyly operate;

Motor-driven grinding mill operating personnel should test before going into operation and check brakes whether reliable, check that wire rope passes in and out whether card reel and other objects of front;

(3) motor-driven grinding mill operating personnel could start motor-driven grinding mill after must obtaining commander's starting-up signal, when receiving the stopping signal that anyone sends, and necessary hard stop; On-streamly should collect 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, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also regarded as protection scope of the present invention.

Claims (8)

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, lower end of cranking arm on described is connected with lower bent lever top, upper end is provided with middle horizontal smooth, and described outside horizontal stroke is smooth is connected to middle horizontal smooth two ends;
Said method comprising the steps of:
(1), prepare before construction: clear up steel tower construction plant, arrange that job site also prepares column foot, required tower material installed by transport steel tower, carries out quality examination and clears up material;
(2), main pole is assembled and the main pole that stands up;
(3), to assemble on column foot and the tower leg that stands up;
(4), place main material single-piece and the tower sheet of assembled iron tower tower body on ground, promote main pole, and lifting assembling tower body piece by piece;
(5), promote main pole carry out lifting 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), horizontal smooth and utilize auxiliary pole lifting outside horizontal smooth in assembling outside, ground;
(9), earth wire support and steel tower annex are installed;
(10), carry out overhauling and self-inspection, eliminate defect;
(11), remove auxiliary pole and main pole, complete construction;
Described auxiliary pole comprises the arm of force, mast, connection cable wire, bracing or strutting arrangement, upset cable wire, fixing 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 that the described arm of force is connected with mast and bracing or strutting arrangement 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 fixing suspension member be fixedly installed on described wine glass-shaped steel tower in the middle of horizontal smooth on, bracing or strutting arrangement is positioned at middle horizontal smooth outer upper end, and be fixed on the horizontal smooth upper end, centre inside bracing or strutting arrangement bottom fixing suspension member, top is provided with hanging hole;
Described lifting assists the concrete grammar of pole to comprise the following steps:
(71) carry out on ground assembling auxiliary pole;
(72) first start strand mill bracing or strutting arrangement and the lifting of fixing suspension member are arranged on middle horizontal smooth on;
(73) wire rope one end is fixed on the arm of force apart from arm of force main connection 0.5m place, the fixed pulley that the other end walks around main pole connects motor-driven grinding mill, then starting strand mill makes auxiliary pole slowly rise, adjustment tricing line, make the mast of auxiliary pole be kept away from tower body side, tricing line should rise with auxiliary pole and slowly loosen;
(74) traction can be stopped during installation in place when auxiliary pole is promoted to, with tricing line adjustment arm of force main connection position, after utilizing bearing pin to be fixed by a through hole of the main connecting hole of the arm of force of the close base for supporting side of arm of force main connection and two tongues of base for supporting, return pine strand mill, swingable tricing line adjustment position when there is a deviation position;
(75) strand mill is started, auxiliary pole is tightened up with the pull rope being connected to mast movable end and overturn around base for supporting, stops draw when auxiliary pole turn to when the main connecting hole of another arm of force overlaps with another through hole of two tongue, penetrate bolt and fastening after again continuation draw and overturn;
(76) when auxiliary pole reaches required angle, can bearing pin mode be adopted directly to be fixed on the hanging hole of fixing suspension member the upset cable wire connecting mast, upset steel adopts yoke plate to connect, and pole angle can be assisted to reach the best angle of lifting by increasing or reduce yoke plate adjustable.
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 layout four groups of 50KN levels or more land external cable, arrange concentrate course changing control platform, and with anchor hole in steel tower tower seat board for stress point settles concentrated course changing control platform, turning platform configure the pull rope of steering power field and adjust arm rope, arranging working tractor.
3. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, is characterized in that: adopt triangular steel pole assisted group to load on ground to crank arm, on crank arm, middle cross-arm and outside horizontal stroke smooth.
4. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, it is characterized in that: the concrete grammar of lifting pole is, in steel tower assembling process, tower material all fills neat and namely starts lifting pole after fastening bolt and adopt two cover tackle pulley to add a set of balanced pulley group to promote.
5. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, is characterized in that: the described arm of force comprises the 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 that connect 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 be connected with bracing or strutting arrangement, arm of force main connection side is provided with arm of force side connector, and connector front end, described arm of force side is provided with the arm of force side connecting hole be connected with mast; Described arm of force pole-footing connecting joint is provided with the first stay pipe connecting hole connecting stay pipe, described arm bar crown end is provided with the fixed pulley connecting hole connecting fixed pulley and is connected cable wire connecting hole with first jiao of being fixedly connected with cable wire; One end that described mast is connected with arm of force side connector is provided with mast connector, the other end is provided with the upset cable wire connecting hole being fixedly connected with second of cable wire and connecting cable wire connecting hole and fixing upset cable wire, mast is also provided with the second stay pipe connecting hole connecting stay pipe; Described bracing or strutting arrangement comprises base for supporting and two tongue movable part, described base for supporting lower end be fixed on middle 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.
6. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, it is characterized in that: described utilization assists pole to lift the horizontal smooth concrete grammar in outside to be, lifting cranks arm outside cross-arm by tower body side slightly toward upwarping, after below the cross-arm of outside, both sides joint location respectively penetrates a bolt with sharp spanner to hole, slowly lift again cross-arm will above both sides joint location by sharp spanner to hole, penetrate bolt, then by all first-class and fastening for all for joint bolts.
7. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to claim 1, is characterized in that: the angle angle of the described arm of force and mast is between 90 ~ 120 degree.
8. the mounting method of a kind of UHV transmission line wine glass-shaped steel tower according to any one of claim 1-7, is characterized in that: described main pole and auxiliary pole are made by high strength steel material.
CN201410151183.7A 2014-04-16 2014-04-16 A kind of mounting method of UHV transmission line wine glass-shaped steel tower CN103924816B (en)

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