CN105003118B - A kind of pole for assembling power transmission tower - Google Patents

A kind of pole for assembling power transmission tower Download PDF

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Publication number
CN105003118B
CN105003118B CN201510445829.7A CN201510445829A CN105003118B CN 105003118 B CN105003118 B CN 105003118B CN 201510445829 A CN201510445829 A CN 201510445829A CN 105003118 B CN105003118 B CN 105003118B
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China
Prior art keywords
pole
tower
lifting
power transmission
strut
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Application number
CN201510445829.7A
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CN105003118A (en
Inventor
倪达
夏拥军
易建山
张亚迪
杨怀伟
陈小元
郝玉靖
马民
马一民
刘开
彭飞
秦剑
胡春华
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China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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Priority to CN201510445829.7A priority Critical patent/CN105003118B/en
Publication of CN105003118A publication Critical patent/CN105003118A/en
Priority to PCT/CN2016/087813 priority patent/WO2017016369A1/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electric Cable Installation (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The present invention relates to a kind of poles for assembling power transmission tower, the power transmission tower includes vertically arranged tower body and the cross-arm that is horizontally installed on the tower body, the pole is made of upper end segment, standard knot and the lower end segment set gradually from top to bottom, and the pole is equipped with the bracing wire being connect with the power transmission tower;It is connected with rectangle connector between the upper end segment, standard knot and lower end segment, the section of the standard knot is as the rectangle rack being made of inclined tube adjacent between vertically arranged supervisor and the supervisor;The bracing wire extends to tower body from the pole top, is supported therebetween with the horizontally arranged strut in power transmission tower.Technical solution provided by the invention had not only solved the problems, such as that the landing bracing wire angle with horizontal plane of existing pole was excessive, but also had the advantages that light-weight, stable, easy carry.

Description

A kind of pole for assembling power transmission tower
Technical field
The present invention relates to a kind of pole, in particular to a kind of poles for assembling power transmission tower.
Background technology
A kind of lifting gear used when pole is hanging device.Pole mainly has two kinds of tubular type and lattice, same Lattice type pole is lighter than the dead weight of monomer pillar under bearing capacity, and longitudinal stability is good, and bending strength is big, and lateral deformation is small.So Lattice type pole is applied compared with more extensively.
Existing lattice type pole material is generally using having steel standard knot and aluminum standard section.Steel density is big, uses Its manufactured pole is heavier, is unfavorable for assembling and disassembling and carry, especially the peace in the mountain area of topography complexity and the area of bad environments Dress and carrying are more difficult.Aluminium density is relatively small, and manufactured pole intensity is low, is easily damaged.And aluminium lattice is embraced Bar needs and flanged joint, and weight, which increases, after connection is equally not easy to install and carry;With the progress of material science, glass fibers It ties up reinforced resin based composites, that is, fiberglass and is gradually applied to pole, but fiberglass pole has the disadvantage that:
(1) elasticity modulus is low:The modular ratio steel of fiberglass is 5 times small, and rigidity is relatively low.
(2) the heatproof phase is short:Fiberglass cannot generally be used for a long time at high temperature, such as general of general purpose polyester fiberglass exists 100 DEG C used below;Universal fiber glass epoxy is only at 60 DEG C or more, and intensity is decreased obviously.
(3) easy to aging:Loss of properties on aging under the conditions ofs ultraviolet light, wind sand sleet, chemical mediator, mechanical stress etc..
For this reason, it may be necessary to a kind of pole for assembling power transmission tower is provided, it is stable, easy to reduce pole weight, enhancing structure In transport, reduces manufacturing cost and improve use scope.
Invention content
The above problem to be solved is realized by following technical proposals:A kind of pole for assembling power transmission tower is provided, The power transmission tower includes vertically arranged tower body and the cross-arm that is horizontally installed on the tower body, and the pole is by from top to bottom Upper end segment, standard knot and lower end segment composition, the pole set gradually is equipped with the bracing wire being connect with the power transmission tower;
Connected with rectangle connector between the upper end segment, standard knot and lower end segment, the section of the standard knot as by The rectangle rack of adjacent inclined tube composition between vertically arranged supervisor and the supervisor;
The bracing wire extends to tower body from the pole top, is supported therebetween with the horizontally arranged strut in power transmission tower.
The rectangle connector includes horizontally arranged rectangular base and is arranged in the rectangular base corner Vertically arranged intubation, the rectangle connector are equipped with the bolt hole of connection adjacent segments body.
It is connected with connector between the supervisor and intubation or is glued with epoxy resin;
The upper end segment, standard knot and lower end are saved carbon fiber enhancement resin base composite material and are made.
The strut both ends are respectively equipped with the bottom for connecting top connection gold utensil with the bracing wire and being connect with the power transmission tower Portion's connection gold utensil;
The top connection gold utensil is the circular cylindrical cavity of one end open, and the circular cylindrical cavity other end axis is equipped with The cross pulling plate of two orthogonal triangular plate compositions, the cross pulling plate are equipped with using cross pulling plate axis as symmetry axis Symmetrically arranged four connecting holes;The connecting hole is respectively connected to the bracing wire at the top and bottom of the power transmission tower.
The bottom connection gold utensil is the circular cylindrical cavity of one end open, and the other end is fixed with cylindrical cavity body axis pair Claim two fixed plates of setting;The fixed plate is equipped with through-hole of the opening direction perpendicular to the cylindrical cavity body axis;Institute Through-hole is stated with power transmission tower to be connected.
Described method includes following steps:
The first step is integrally stood up pole, and the pole is made to be arranged with ground inclination;
Second step is connected with the pulley of lifting rope in pole both ends setting, the lifting rope both ends respectively be twisted machine and tower leg It is connected, tower leg is lifted on iron tower foundation;Tower seat is assembled according to the method described above;
Third step is more than at 6 meters downwards in tower seat upper end and the tower seat top axial respectively is arranged girdle ring;
Pole lower end described in 4th step is equipped with the fixing piece of bearing rope, and the bearing rope other end is by being arranged on tower seat The pulley at lower both ends is connected with the machine of being twisted;
Strut installation part is arranged in 5th step on the outside of the tower seat;
After 6th step is twisted machine driving bearing rope lifting pole and strut arrival designated position described in, by the strut The bottom connection gold utensil of lower end is connected with strut installation part;
7th successive step pole makes it be tilted to lifting face;The lifting work of tower body is completed using lifting assemblies;
At 8th step lifting pole to 16 meters of tower top and adjusting the pole makes it tilt 0.4 to 0.6 meter to lifting face;Make Earth wire support is lifted with lifting assemblies;
Pulley is arranged in 9th step on the earth wire support, passes through the earth wire support using the driving rope on lifting assemblies On pulley lifting cross-arm;
After tenth step steel tower rigging out, drive bearing rope adjustment pole that it is made to be vertically arranged by the machine that is twisted, and In pole root, drawstring is set;The drawstring other end is connected with the motor of setting on the ground;
After rising by pulling equipment lifting pole, pass through the pole lifting group after removing bearing rope, bracing wire and pulley After part declines pole, strut is removed;Drawstring is tensed, pole is drawn into tower body.
In the third step, the girdle ring is the rectangular frame that vertex is equipped with the connecting plate axially vertical with the pole;
The connecting plate be equipped with the vertically disposed hole in its surface, equipped with the rope being connected with the tower seat in the hole,
It is equipped with and the fixed connector of the pole in the rectangular frame.
In the 5th step, the strut installation part include annulus fixing piece, setting annulus fixing piece side and with The vertical yoke plate in its cross section;
It is equipped in the annulus fixing piece and coordinates fixed connector with the tower seat;
The yoke plate is equipped with and the vertically disposed Hollow Cylindrical Shaft in its surface;The Hollow Cylindrical Shaft passes through with bottom connection gold utensil Stud is fixed.
The annulus fixing piece is bolted by two semicircle connectors;Two semicircle connector connection punishment Connecting plate that She You be not vertical with its cross section, the connecting plate are bolted.
The strut installation part is arranged on four sides of tower seat and at downward 1.5 meters of its top axial.
In the 6th step, the pole remains that plumbness and its height are higher by 19-20 meters of the tower seat height degree;
The pole fixed is not more than 45 degree with bearing rope angle;The angle of the strut and horizontal plane is 10 to 15 Between degree.
In the 6th step to the 9th step, the lifting assemblies include the machine that is twisted, are twisted driving rope that machine is connected with described, set Set the rope sling of the pulley and fixed hanging piece in the steel tower lower end and pole top.
Compared with the latest prior art, technical solution provided by the invention has the advantages that:
1, pole provided by the present application uses carbon fiber enhancement resin base composite material, has light-weight, mechanical property more Well, the advantages of operating temperature range.
2, strut provided by the present application uses monomer pillar, more simply, stablize, highly practical, reduces wind load to steady Qualitatively influence.
3, pole and strut provided by the present application are used cooperatively, and solve the problems, such as that extreme terrain group tower construction is difficult.
4, strut provided by the present application is smooth cylindrical, does not protrude obstacle, promotion is smooth, easy to produce to be removed with live Fortune improves construction efficiency.
5, its ground bracing wire angle with horizontal plane of pole provided by the present application is not more than 45 °, can change greatly in difference of height Mountainous region, halfway up the hill even precipitous cliff area use.
Description of the drawings
Fig. 1 is holding pole structure schematic diagram provided by the invention;
Fig. 2 is rectangle connector attachment structure schematic diagram provided by the invention;
Fig. 3 is rectangle connecting-piece structure schematic diagram provided by the invention;
Fig. 4 is rectangle connector vertical view provided by the invention;
Fig. 5 is strut front view provided by the invention;
Fig. 6 is connection gold utensil left view in top provided by the invention;
Fig. 7 is connection gold utensil sectional view in bottom provided by the invention;
Fig. 8 is existing Transmission Tower schematic diagram;
Fig. 9 is provided by the invention using pole assembling tower leg schematic diagram;
Figure 10 is strut provided by the invention and tower seat connection diagram;
Figure 11 is tower body assembling schematic diagram provided by the invention;
Figure 12 is earth wire support assembling schematic diagram provided by the invention;
Figure 13 is cross-arm assembling schematic diagram provided by the invention;
Figure 14 is strut installation part structural schematic diagram provided by the invention;
Figure 15 is girdle ring vertical view provided by the invention;
Wherein, 1-upper end segment, 2-standard knots, 3-lower end segments, 4-rectangle connectors, 5-struts, 6-inclined tubes, 7- Connection gold utensil, 8-rectangular bases, 9-intubations, 10-top connection gold utensils, 11-bottom connection gold utensils, 12-cross pulling plates, 13-fixed plates, 14-supervisors, 15-tower bodies, 16-cross-arms, 17-tower seats, 18-bracing wires, 19-bearing ropes, 20-struts peace Piece installing, 21-lifting assemblies, 22-be twisted machine, 23-earth wire supports, 24-annulus fixing pieces, 25-yoke plates, 26-rope slings, 27-connecting plates, 28-girdle rings
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:As shown in figure 8, a kind of for assembling the pole of power transmission tower, the power transmission tower includes vertically arranged tower Body 15 and the cross-arm 16 being horizontally installed on the tower body 15, as shown in Figure 1, the pole by setting gradually from top to bottom Upper end segment 1, standard knot 2 and lower end segment 3 composition, the pole are equipped with the bracing wire 18 being connect with the power transmission tower;
As shown in Figure 2, Figure 3 and Figure 4, connected with rectangle connector 4 between the upper end segment 1, standard knot 2 and lower end segment 3 It connects, the section of the standard knot 2 is as the rectangle being made of inclined tube 6 adjacent between vertically arranged supervisor 14 and the supervisor 14 Frame;
As shown in Figure 10, the bracing wire 18 extends to tower body from the pole top, therebetween with horizontally arranged in transmission of electricity The strut 5 of tower supports.
As shown in Figure 3 and Figure 4, the rectangle connector 4 including horizontally arranged rectangular base 8 and is arranged in institute The vertically arranged intubation 9 of rectangular base corner is stated, the rectangle connector 4 is equipped with the bolt hole of connection adjacent segments body.
It is connected with connector between the supervisor 14 and intubation 9 or is glued with epoxy resin;
The upper end segment 1, standard knot 2 and lower end segment 3 are made of carbon fiber enhancement resin base composite material.
5 both ends of the strut, which are respectively equipped with, to be connect top connection gold utensil 10 with the bracing wire 18 and is connect with the power transmission tower Bottom connection gold utensil 11;
As shown in Figure 5 and Figure 6, the top connection gold utensil 10 is the circular cylindrical cavity of one end open, the cylindrical cavity It is set on body other end axis there are two the cross pulling plate 12 of orthogonal triangular plate composition, the cross pulling plate 12 is equipped with Using 12 axis of cross pulling plate as symmetrically arranged four connecting holes of symmetry axis;The connecting hole is respectively connected to the transmission of electricity The bracing wire 18 of top of tower and bottom.
As shown in figure 5 and figure 7, the bottom connection gold utensil 11 is the circular cylindrical cavity of one end open, and the other end is fixed with Two fixed plates 13 being arranged with circular cylindrical cavity axisymmetrical;The fixed plate 13 is equipped with opening direction perpendicular to the circle The through-hole of cylindrical chamber axis;The through-hole is connected with power transmission tower.
A method of power transmission tower being assembled using claim 1-4 poles, method includes the following steps:
The first step is integrally stood up pole, and pole is made to be arranged with ground inclination;
As shown in figure 9, second step is connected with the pulley of lifting rope in the setting of pole both ends, lifting rope both ends respectively with the machine that is twisted 22 and Tower leg is connected, and tower leg is lifted on iron tower foundation;Assembling tower seat 17 according to the method described above;
Third step is more than at 6 meters downwards in 17 upper end of tower seat and 17 top axial of tower seat respectively is arranged girdle ring 28;
4th step pole lower end is equipped with the fixing piece of bearing rope 19, and 19 other end of bearing rope is by being arranged in about 17 tower seat The pulley at both ends is connected with the machine that is twisted 22;
5th step is in 17 outside setting strut installation part 20 of tower seat;
As shown in Figure 10, the 6th step drives bearing rope 19 to lift by crane pole and the arrival of strut 5 designated position by being twisted machine 22 Afterwards, the bottom connection gold utensil 11 of 5 lower end of strut is connected with strut installation part 20;
As shown in figure 11, the 7th successive step pole makes it be tilted to lifting face;Tower body 15 is completed using lifting assemblies 21 Lift work;
As shown in figure 12, at the 8th step lifting pole to 16 meters of tower top and adjust pole make its to lifting face tilt 0.4 to 0.6 meter;Earth wire support 23 is lifted using lifting assemblies 21;
As shown in figure 13, pulley is arranged in the 9th step on earth wire support 23, is passed through using the driving rope on lifting assemblies 21 Pulley lifting cross-arm 16 on earth wire support 23;
After tenth step steel tower rigging out, drive the adjustment pole of bearing rope 19 that it is made to be vertically arranged by being twisted machine 22, and In pole root, drawstring is set;The drawstring other end is connected with the motor of setting on the ground;
After rising by pulling equipment lifting pole, group is lifted by pole after dismounting bearing rope 19, bracing wire 18 and pulley After part 26 declines pole, strut 5 is removed;Drawstring is tensed, pole is drawn into tower body.
As shown in figure 15, in the third step, girdle ring 28 is the rectangle that vertex is equipped with the connecting plate 27 axially vertical with pole Frame;
Connecting plate 27 be equipped with the vertically disposed hole in its surface, equipped with the rope being connected with tower seat 17 in hole,
It is equipped with and the fixed connector of pole in rectangular frame.
As shown in figure 14, in the 5th step, strut installation part 20 is equipped with annulus fixing piece 24, is arranged in annulus fixing piece 24 Side and the yoke plate 25 vertical with its cross section;
It is equipped in annulus fixing piece 24 and coordinates fixed connector with tower seat 17;
Yoke plate 25 is equipped with and the vertically disposed Hollow Cylindrical Shaft in its surface;Hollow Cylindrical Shaft passes through double end with bottom connection gold utensil 11 Bolt is fixed.
Annulus fixing piece 24 is bolted by two semicircle connectors;Two semicircle connector junctions are respectively equipped with The connecting plate vertical with its cross section, connecting plate are bolted.
Strut installation part 20 is arranged on four sides of tower seat 17 and at downward 1.5 meters of its top axial.
In the 6th step, pole remains that plumbness and its height are higher by 17 19-20 meters of height of tower seat;
The pole fixed is not more than 45 degree with 19 angle of bearing rope;The angle of strut 5 and horizontal plane is in 10 to 15 degree Between.
In the 6th step to the 9th step, lifting assemblies 21 are equipped with and are twisted machine 22, the driving rope that is connected with the machine that is twisted 22, are arranged In the rope sling 26 of the pulley and fixed hanging piece on steel tower lower end and pole top.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although with reference to above-described embodiment pair The present invention is described in detail, those of ordinary skill in the art still can to the present invention specific implementation mode into Row changes either equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement Apply within the claim protection model of the pending present invention.

Claims (10)

1. a kind of method for assembling the pole of power transmission tower, the power transmission tower includes vertically arranged tower body (15) and laterally The cross-arm (16) being arranged on the tower body (15), the pole by set gradually from top to bottom upper end segment (1), standard knot (2) and lower end segment (3) composition, the pole are equipped with the bracing wire (18) being connect with the power transmission tower;
It is connected with rectangle connector (4) between the upper end segment (1), standard knot (2) and lower end segment (3), the standard knot (2) Section as the rectangle rack being made of inclined tube (6) adjacent between vertically arranged supervisor (14) and the supervisor (14);
The bracing wire (18) extends to tower body from the pole top, therebetween strut (5) branch with horizontally arranged in power transmission tower Support;
Described method includes following steps:
The first step is integrally stood up pole, and the pole is made to be arranged with ground inclination;
Second step is connected with the pulley of lifting rope in pole both ends setting, the lifting rope both ends respectively with the machine that is twisted (22) and tower Leg is connected, and tower leg is lifted on iron tower foundation;Assembling tower seat (17) according to the method described above;
Third step is more than downwards setting girdle ring (28) at 6 meters in tower seat (17) upper end and the tower seat (17) top axial respectively;
Pole lower end described in 4th step is equipped with the fixing piece of bearing rope (19), and bearing rope (19) other end is existed by setting The pulley of tower seat (17) upper and lower ends is connected with the machine that is twisted (22);
5th step setting strut installation part (20) on the outside of the tower seat (17);
It, will after 6th step is twisted machine (22) driving bearing rope (19) lifting pole and strut (5) arrival designated position described in The bottom connection gold utensil (11) of strut (5) lower end is connected with strut installation part (20);
7th successive step pole makes it be tilted to lifting face;The lifting work of tower body (15) is completed using lifting assemblies (21);
At 8th step lifting pole to 16 meters of tower top and adjusting the pole makes it tilt 0.4 to 0.6 meter to lifting face;It uses Lifting assemblies (21) lift earth wire support (23);
Pulley is arranged on the earth wire support (23) in 9th step, by described using the driving rope on lifting assemblies (21) Pulley lifting cross-arm (16) on line bracket (23);
After tenth step steel tower rigging out, drive bearing rope (19) adjustment pole that it is made to set vertically by the machine (22) that is twisted It sets, and drawstring is set in pole root;The drawstring other end is connected with the motor of setting on the ground;
After rising by pulling equipment lifting pole, pass through the pole liter after removing bearing rope (19), bracing wire (18) and pulley After part of coming down to a lower group declines pole, strut (5) is removed;Drawstring is tensed, pole is drawn into tower body.
2. the method for pole as described in claim 1, which is characterized in that the rectangle connector (4) includes that horizontal direction is set The rectangular base (8) set and the intubation (9) vertically arranged in the rectangular base corner, the rectangle connector are set (4) it is equipped with the bolt hole of connection adjacent segments body.
3. the method for pole as described in claim 1, which is characterized in that
It is connected with connector between the supervisor (14) and intubation (9) or is glued with epoxy resin;
The upper end segment (1), standard knot (2) and lower end segment (3) are made of carbon fiber enhancement resin base composite material.
4. the method for pole as described in claim 1, which is characterized in that strut (5) both ends are respectively equipped with and the drawing The bottom connection gold utensil (11) connection gold utensil (10) at the top of line (18) connection and connect with the power transmission tower;
The top connection gold utensil (10) is the circular cylindrical cavity of one end open, and the circular cylindrical cavity other end axis is equipped with The cross pulling plate (12) of two orthogonal triangular plate compositions, the cross pulling plate (12) are equipped with cross pulling plate (12) axis Line is symmetrically arranged four connecting holes of symmetry axis;The connecting hole is respectively connected at the top and bottom of the power transmission tower The bracing wire (18);
The bottom connection gold utensil (11) is the circular cylindrical cavity of one end open, and the other end is fixed with cylindrical cavity body axis pair Claim two fixed plates (13) of setting;The fixed plate (13) is equipped with opening direction perpendicular to the cylindrical cavity body axis Through-hole;The through-hole is connected with power transmission tower.
5. the method for pole as described in claim 1, which is characterized in that in the third step, the girdle ring (28) sets for vertex There is the rectangular frame of the connecting plate axially vertical with the pole (27);
The connecting plate (27) be equipped with the vertically disposed hole in its surface, equipped with the rope being connected with the tower seat (17) in the hole Rope, is equipped in the rectangular frame and the fixed connector of the pole.
6. the method for pole as described in claim 1, which is characterized in that in the 5th step, strut installation part (20) packet It includes annulus fixing piece (24), be arranged in annulus fixing piece (24) side and the yoke plate (25) vertical with its cross section;
It is equipped in the annulus fixing piece (24) and coordinates fixed connector with the tower seat (17);The yoke plate (25) be equipped with The vertically disposed Hollow Cylindrical Shaft in its surface;The Hollow Cylindrical Shaft is fixed with bottom connection gold utensil (11) by stud.
7. the method for pole as claimed in claim 6, which is characterized in that the annulus fixing piece (24) is connected by two semicircles Part is bolted;Two semicircle connector junctions are respectively equipped with the connecting plate vertical with its cross section, the company Fishplate bar is bolted.
8. the method for pole as claimed in claim 6, which is characterized in that the strut installation part (20) is arranged in tower seat (17) Four sides on and at downward 1.5 meters of its top axial.
9. the method for pole as described in claim 1, which is characterized in that in the 6th step, the pole remains vertical State and its height are higher by 19-20 meters of tower seat (17) height;
The pole fixed is not more than 45 degree with bearing rope (19) angle;The angle of the strut (5) and horizontal plane is 10 To between 15 degree.
10. the method for pole as described in claim 1, which is characterized in that in the 6th step to the 9th step, the lifting assemblies (21) include being twisted machine (22), being twisted driving rope, setting that machine (22) is connected on the steel tower lower end and pole top with described Pulley and fixed hanging piece rope sling (26).
CN201510445829.7A 2015-07-27 2015-07-27 A kind of pole for assembling power transmission tower Active CN105003118B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510445829.7A CN105003118B (en) 2015-07-27 2015-07-27 A kind of pole for assembling power transmission tower
PCT/CN2016/087813 WO2017016369A1 (en) 2015-07-27 2016-06-30 Tower crane for assembling power transmission tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510445829.7A CN105003118B (en) 2015-07-27 2015-07-27 A kind of pole for assembling power transmission tower

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Publication Number Publication Date
CN105003118A CN105003118A (en) 2015-10-28
CN105003118B true CN105003118B (en) 2018-07-17

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