CN102127987B - Guide rail system for assembling flange connection tower sections of power transmission line iron tower through helicopter - Google Patents
Guide rail system for assembling flange connection tower sections of power transmission line iron tower through helicopter Download PDFInfo
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- CN102127987B CN102127987B CN201110008737.4A CN201110008737A CN102127987B CN 102127987 B CN102127987 B CN 102127987B CN 201110008737 A CN201110008737 A CN 201110008737A CN 102127987 B CN102127987 B CN 102127987B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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Abstract
The invention provides a guide rail system for assembling the flange connection tower sections of a power transmission line iron tower through a helicopter. The guide rail system comprises a guide rail, a bracket, a limiting device and a positioning device, wherein the bracket is positioned in an in-position tower section and provides support for the guide rail; the guide rail is connected with the bracket and provides a guiding function for the in position of a hoisted tower section; the limiting device is arranged in the hoisted tower section, can slide down along the guide rail and provides a limiting function for the in position of the hoisted tower section; the positioning device comprises an upper positioning block connected to the hoisted tower section, and a lower positioning block connected to the in-position tower section; and before the hoisted tower section is about to enter an installation position, the upper positioning block and the lower positioning block provide an accurate positioning function for the hoisted tower section together. The guide rail system has a simple structure and high positioning accuracy, is convenient to manufacture, can be used for hoisting the flange connection tower sections in various self-supporting iron towers through the helicopter, and has high generality and a wide application range; and the size of the guide rail system is determined according to the flying skill of a helicopterist, the terrain condition, the meteorological condition and the like.
Description
Technical field
The invention belongs to iron towers of overhead power transmission lines vertical construction equipment field, the flange being specifically related in a kind of helicopter assemblage power transmission line iron tower connects tower section guide track system.
Background technology
Self-supporting transmission line iron tower (line frame graph that Fig. 1 is a kind of self-supporting tower) is generally by hundreds of and even the thousands of trussed constructions that shaped steel is formed by connecting by bolt or rivet, its cross section is square or rectangle more, each side is plane frame, Quan Take is divided into multistage, comprises three parts such as tower leg 11 (the first paragraph truss on basis), tower body 12 (can be divided into multistage truss again) and tower head 13 from bottom to top.According to factors such as environment for use, form of structure and loading characteristics, the intersegmental use flange of the tower of some iron tower of power transmission line connects (as shown in Figure 2), and upper tower segment 21 is connected with flange 22 with lower tower section 23 chien shihs.
It is vertical that self-supporting tower is generally used split tower erection method to organize, and is about to steel tower and splits into single, monolithic or single hop, uses that crane gear lifts separately, docking in the air, the vertical a kind of construction method of group according to the order of sequence.Compare the group towers such as normally used pole, runabout crane, group tower special tower crane and organize tower, going straight up to set tower is the tower erection construction method of a kind of novelty, uniqueness.When set tower is gone straight up in use, first the solution space open in traffic convenience, place, distance is suitable is by steel tower sectional, then use helicopter by its handling to overhead, installation site, helicopter pilot is by the booster action of various guide rail, to along guide rail, be slipped into installation site by tower crane section, last constructor Deng Ta will be used the securing members such as bolt to connect by tower crane Duan Yuyi tower section in place, thereby complete tower erection.Flange in the vertical steel tower of unit is gone straight up in use, and to connect the general work progress of tower section as follows:
(1) by four link position places of tower crane section 32 and tower section 35 in place, a set of guide track system 34 is respectively being installed, and is being connected limit rope 33;
(2) use suspension arrangement 31 by tower crane section 32, to be suspended on helicopter ventral below by what assemble, then by its handling to the top of tower section 35 in place and hovering;
(3) helicopter pilot reduces hover height gradually, makes the guide effect slow decreasing by guide track system 34 by tower crane section 32, enters installation site in place;
(4) helicopter unclamp with by being connected and flying away of tower crane section, constructor Deng Ta, is used bolt that the intersegmental flange 22 of tower is connected, thereby completes the helicopter vertical construction that flange in steel tower connects tower section.
Compare other group tower, use is gone straight up to set tower and is had the following advantages:
(1) because tower section is assembled on ground, reduced amount of high-altitude operation, safety is good;
(2) do not need group tower and tower material etc. to be transported to steel tower scene in place, alleviated constructor's labour intensity, reduce transport channel simultaneously and opened up and vegetation felling, protected ecological environment, be particularly suitable for the severe place of the construction environments such as high and steep mountains;
(3) group column efficiency is high.
Use is gone straight up to set tower the segmentation weight of steel tower, joint form, joint location etc. is all had higher requirements, and maximum difficult point is how to guarantee that tower section is skyborne accurately, automatic butt, avoid as far as possible manual intervention, guarantee construction safety, efficient, so the docking of tower section is most important with guide rail.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, safe and reliable guide track system, meet the helicopter vertical construction of flange connection tower section in iron tower of power transmission line.
For achieving the above object, the present invention takes following technical scheme:
Flange in helicopter assemblage power transmission line iron tower connects a tower section guide track system, it is characterized in that: this guide track system comprises guide rail, bracket, stopping means and positioner, and described bracket is positioned at tower section in place, for guide rail provides support; Described guide rail is connected with bracket, for guide effect is provided by tower crane section in place; Described stopping means is arranged on by tower crane section and can be slided along guide rail, for by the position-limiting action that provides in place of tower crane section; Described positioner comprises and being connected to by the upper locating piece in tower crane section and be connected to the lower locating piece in tower section in place, by tower crane section, is being about to enter before installation site, and upper and lower locating piece is together for it is accurately located.
Wherein, described guide rail comprises guide rod, guide rod gusset and base plate, and described guide rod is connected with guide rod gusset, and the two is welded on base plate together.
Wherein, described guide rail comprises small gusset, and a side of described guide rod is welded with guide rod gusset, its opposite side is welded with small gusset, and the bottom of described small gusset is welded on base plate; On described guide rod gusset, have lightening hole.
Wherein, described guide rod comprises interconnective tilting bar and vertical rod.
Wherein, the cross section of described tilting bar and vertical rod is all in the shape of the letter V; The angle γ of described tilting bar and plumb line is 25 °～40 °; The length L of described tilting bar is 600mm～2000mm; Top in tower section in place is provided with flange, and the height h that described vertical rod exceeds flange is 50mm～300mm.
Wherein, described bracket comprises horizontal connecting plate, gusset I and side junction plate, and three is welded to each other together.
Wherein, the horizontal connecting plate of described bracket is connected by bolt with the base plate of guide rail, and described side junction plate is bolted in tower section in place.
Wherein, described stopping means comprises the expansion wing, junction plate III and gusset II, and described junction plate III is connected with the expansion wing, and described gusset II is welded in and launches between the wing and junction plate III.
Wherein, the described expansion wing has two, becomes 90 degree angle welding, and the length b of the described expansion wing is 300mm～1000mm; Described junction plate III has two, and two afterbodys that are welded on the expansion wing that junction plate III is parallel, leave space between two junction plate III; Described gusset II is welded on and launches between the wing and junction plate III, on the expansion wing, has the spacing hole passing for limit rope.
Wherein, described upper locating piece is comprised of base plate I and side plate I, described side plate I comprises a straight plate I and two trapezoidal plate I, the rear flank that two trapezoidal plate I are connected to straight plate I is welded on base plate I together with straight plate I again, described base plate I is provided with locating hole, and described straight plate I is provided with and the junction plate I being connected by tower crane section.
Wherein, described lower locating piece is comprised of base plate II and side plate II, described side plate II comprises a straight plate II and two trapezoidal plate II, the rear flank that two trapezoidal plate II are connected to straight plate II is welded on base plate II together with straight plate II again, described base plate II is provided with alignment pin, and described straight plate II is provided with the junction plate II being connected with tower section in place.
In helicopter assemblage power transmission line iron tower of the present invention, flange connection tower section has following beneficial effect with guide track system:
(1) this type guide track system Integrated using guide rod, stopping means and positioner, precision in place is high.
(2) each parts of this type guide track system form by angle steel or Plate Welding, and form of structure is simple, convenient processing and manufacture; Between each member and between member and steel tower, use Bolt Connection, it is convenient to install, remove.
(3) this type guide track system can be used for using flange to connect the helicopter vertical construction of tower section in various steel tower, and its each size can be determined according to conditions such as helicopter pilot's airmanship, landform, meteorologies, applied widely.
Use guide track system of the present invention, can guarantee that the flange of helicopter assemblage power transmission line iron tower connects the safe, accurate, automatic, reliable of tower section, there is good economic benefit and social benefit.
Accompanying drawing explanation
In order to make content of the present invention by clearer understanding, and be convenient to the description of the specific embodiment, provide accompanying drawing related to the present invention below, be described as follows:
Fig. 1 is the structure line frame graph of self-supporting tower in prior art, 11-tower leg in figure, 12-tower body, 13-tower head;
Fig. 2 is for being used the structural representation of the iron tower section of flange connection, 21-upper tower segment in figure, 22-flange, tower section under 23-;
Fig. 3 be iron tower section go straight up to the vertical schematic diagram of unit, 31-suspension arrangement in figure, 32-is by tower crane section, 33-limit rope, 34-guide track system, 35-tower section in place;
Fig. 4 is composition and the annexation schematic diagram (indicating part key dimension parameter in figure) of guide track system of the present invention, 35-tower section in place in figure, 36-floor I, 37-floor II, 38-floor III, 41-guide rail, 42-bracket, 43-stopping means, 44-positioner;
Fig. 5 is the structural representation of guide track system middle guide 41 of the present invention, 51-guide rod in figure, 52-guide rod gusset, 53-small gusset, 54-base plate, 55-lightening hole, 56-bolt hole I, 57-tilting bar, 58-vertical rod;
Fig. 6 is the structural representation of bracket 42 in guide track system of the present invention, 61-horizontal connecting plate in figure, 62-gusset I, 63-side junction plate, 64-bolt hole II;
Fig. 7 is the structural representation (indicating part key dimension parameter in figure) of stopping means 43 in guide track system of the present invention, and in figure, 71-launches the wing, 72-junction plate III, 73-gusset II, 74-bolt hole III, 75-spacing hole, 76-space;
Fig. 8 is the structural representation of positioner 44 in guide track system of the present invention, the lateral view that wherein Fig. 8 a is positioner, Fig. 8 b is the top view of upper locating piece, 22-flange in figure, and 32-is by tower crane section, 35-tower section in place, the upper locating piece of 81-, 811-base plate I, the straight plate I of 812-, 813-trapezoidal plate I, 814-junction plate I; 82-locating hole, 83-alignment pin, locating piece under 84-, 841-base plate II, the straight plate II of 842-, 843-trapezoidal plate II, 844-junction plate II.
The specific embodiment
Below in conjunction with accompanying drawing, the guide track system for helicopter assemblage power transmission line iron tower flange connection tower section of the present invention is further described in detail.
As shown in Figure 4, guide track system of the present invention comprises guide rail 41, bracket 42, stopping means 43 and positioner 44 4 parts.Bracket 42 is positioned at tower section 35 in place, and guide rail 41 is connected with bracket 42, for guide effect is provided by tower crane section in place; Stopping means 43 is arranged on by tower crane section 32 and can be slided along guide rail 41, for by the position-limiting action that provides in place of tower crane section; The upper and lower locating piece of positioner 44 is connected to by tower crane section 32 and tower section 35 in place, guarantees accurately to be entered installation site by tower crane section.Each parts form by angle steel or Plate Welding, and form of structure is simple, convenient processing and manufacture; Between each member and between member and steel tower, use Bolt Connection, it is convenient to install, remove.
As shown in Figure 5, guide rail 41 is connected with bracket 42 by bolt, for guide effect is provided by tower crane section in place.Guide rail 41 is mainly comprised of guide rod 51, guide rod gusset 52, small gusset 53 and base plate 54 4 parts.Guide rod 51 is formed by connecting by tilting bar 57 and vertical rod 58, can adopt angle steel or steel plate to make, and the cross section of tilting bar 57 and vertical rod 58 is all V-shaped.The rear portion of vertical rod 58 is welded with small gusset 53, can improve the impact resistant capability of guide rail part; The interior bottom of guide rod 51 is welded with guide rod gusset 52, for guide rod 51 provides support, can improve the Rigidity and strength of guide rod 51; Guide rod 51, guide rod gusset 52 are welded on base plate 54 together with small gusset 53, offer for connecting the bolt hole I 56 of bracket on base plate 54.As shown in Figure 4, tilting bar 57 can be determined according to helicopter pilot's airmanship and construction environment with the height h that the angle γ of plumb line, the length L of tilting bar 57 and vertical rod 58 exceed flange, wherein the span at γ angle is 25 °～40 °, the span of length L is 600mm～2000mm, and the span of height h is 50mm～300mm.According to the concrete numerical value of physical dimension, on guide rod gusset 52, have some lightening holes 55, can effectively alleviate the overall weight of guide rail, convenient transportation and on-the-spot use.
As shown in Figure 6, described bracket 42 comprises horizontal connecting plate 61, gusset I 62 and side junction plate 63 3 parts, and three is welded to each other together.On horizontal connecting plate 61 and side junction plate 63, be equipped with bolt hole II64, bolt hole 56 on the base plate 54 of guide rail 41 is used bolt to be connected with the bolt hole II64 on the horizontal connecting plate 61 of bracket 42, and the bolt hole II64 on side junction plate 63 is used bolt to be connected with tower section 35 in place.Therefore, bracket 42 can be guide rail 41 and provides support, and the impact that guide rail 41 is subject to is passed to tower section in place.
As shown in Figure 7, stopping means 43 is arranged on by tower crane section 32 by the junction plate III72 on it, and it can slide along the guide rod 51 of guide rail 41, for being provided spacing by the hoisted in position of tower crane section 32.This stopping means 43 comprises the expansion wing 71, junction plate III 72 and gusset II73.Launch the wing 71 and have two, become 90 degree angle welding, its width b is definite according to helicopter pilot's airmanship and construction environment, and span is 300mm～1000mm; Junction plate III72 has two, both are welded on the afterbody that launches the wing 71 abreast, by the lower end of tower crane section 32, be provided with flange 22, on this flange 22, be welded with floor I36, between two junction plate III72, leave space 76, insert on this floor I 36 just in this space, offers bolt hole III 74 on junction plate III72, uses bolt that floor I 36 is connected between two junction plate III72 and with this, stopping means 43 is arranged on by tower crane section 32; Every junction plate III72 and launch to be all welded with two gusset II 73 between the wing 71, can improve the anti-collision performance that launches the wing, launch also to have spacing hole 75 on the wing 71, by this spacing hole, carry out mounting limit rope, thereby the expansion wing of quadruplet guide track system can be coupled together between two, for being provided position-limiting action in larger scope by tower crane section 32.
As shown in Figure 8, positioner 44 comprises locating piece 81 and lower locating piece 84, and both form of structure is basic identical and be installed on respectively by tower crane section 32 and tower section 35 in place with symmetric form.
Upper locating piece 81 is comprised of base plate I811 and side plate I, side plate I comprises a straight plate I 812 and two trapezoidal plate I 813, two trapezoidal plate I 813 are welded on base plate I behind the parallel left side that is connected to straight plate I 812 together with straight plate I again, the right side of straight plate I 812 is provided with two junction plate I814, by the bottom of tower crane section 32, be provided with a flange 22, on this flange 22, be welded with floor II37, two junction plate I and floor II is with bolts with this, upper locating piece 81 is fixed on by tower crane section 32, are also provided with locating hole 82 on base plate I811.Lower locating piece 84 is comprised of base plate II841 and side plate II, side plate II comprises a straight plate II 842 and two trapezoidal plate II 843, two trapezoidal plate II 843 are welded on base plate II behind the parallel left side that is connected to straight plate II 842 together with straight plate II again, the right side of straight plate II 842 is provided with two junction plate II 844, the top of tower section 35 in place is also provided with flange 22, on this flange 22, be welded with a floor III 38, two junction plate II 844 are fixed on lower locating piece 84 in tower section 35 in place with this with floor III 38 is with bolts, base plate II 841 is provided with alignment pin 83, by alignment pin 83, penetrate the position-limiting action of locating hole 82, can be at lifting end for being provided accurate location by the flange 22 of tower crane section 32 and tower section 35 in place.
According to specific exemplary embodiment, invention has been described herein.It will be apparent under not departing from the scope of the present invention, carrying out to one skilled in the art suitable replacement or revise.Exemplary embodiment is only illustrative, rather than the restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
Claims (9)
1. the flange in a helicopter assemblage power transmission line iron tower connects tower section guide track system, it is characterized in that: this guide track system comprises guide rail (41), bracket (42), stopping means (43) and positioner (44), it is upper that described bracket (42) is positioned at tower section in place (35), for guide rail (41) provides support; Described guide rail (41) is connected with bracket (42), for guide effect is provided by tower crane section in place; Described stopping means (43) is arranged on upper by tower crane section (32) and can be slided along guide rail (41), for by the position-limiting action that provides in place of tower crane section; Described positioner (44) comprises and is connected to by the upper locating piece (81) in tower crane section (32) and is connected to the lower locating piece (84) in tower section in place (35), by tower crane section (32), be about to enter before installation site, upper and lower locating piece (81,84) is together for it is accurately located;
Described stopping means (43) comprises the expansion wing (71), junction plate III(72) and gusset II(73), described junction plate III(72) be connected with the expansion wing (71), described gusset II(73) be welded in and launch the wing (71) and junction plate III(72) between; The described expansion wing (71) has two, becomes 90 degree angle welding, and the length b of the described expansion wing is 300mm ~ 1000mm; Described junction plate III(72) have two, two junction plate III are parallel is welded on the afterbodys that launch the wing (71), two junction plate III(72) between leave space (76); Described gusset II(73) be welded on and launch the wing (71) and junction plate III(72) between, on the expansion wing (71), have the spacing hole (75) passing for limit rope.
2. guide track system according to claim 1, it is characterized in that: described guide rail (41) comprises guide rod (51), guide rod gusset (52) and base plate (54), described guide rod (51) is connected with guide rod gusset (52), and the two is welded on base plate (54) together.
3. guide track system according to claim 2, it is characterized in that: described guide rail (41) comprises small gusset (53), one side of described guide rod (51) is welded with guide rod gusset (52), its opposite side is welded with small gusset (53), and the bottom of described small gusset (53) is welded on base plate (54); On described guide rod gusset (52), have lightening hole (55).
4. according to the guide track system described in claim 2 or 3, it is characterized in that: described guide rod (51) comprises interconnective tilting bar (57) and vertical rod (58).
5. guide track system according to claim 4, is characterized in that: the cross section of described tilting bar (57) and vertical rod (58) is all in the shape of the letter V; Described tilting bar (57) is 25 ° ~ 40 ° with the angle γ of plumb line; The length L of described tilting bar (57) is 600mm ~ 2000mm; Top in tower section in place (35) is provided with flange, and the height h that described vertical rod (58) exceeds flange is 50mm ~ 300mm.
6. guide track system according to claim 1, is characterized in that: described bracket (42) comprises horizontal connecting plate (61), gusset I(62) and side junction plate (63), three is welded to each other together.
7. guide track system according to claim 6, is characterized in that: the horizontal connecting plate of described bracket (61) is connected by bolt with the base plate (54) of guide rail, and described side junction plate (63) is bolted in tower section in place (35).
8. guide track system according to claim 1, it is characterized in that: described upper locating piece (81) is by base plate I(811) and side plate I form, described side plate I comprises a straight plate I(812) and two trapezoidal plate I(813), two trapezoidal plate I(813) be connected to straight plate I(812) a rear flank be welded on base plate I together with straight plate I again, described base plate I(811) be provided with locating hole (82), described straight plate I(812) be provided with and the junction plate I(814 being connected by tower crane section (32)).
9. guide track system according to claim 1, it is characterized in that: described lower locating piece (84) is by base plate II(841) and side plate II form, described side plate II comprises a straight plate II(842) and two trapezoidal plate II(843), two trapezoidal plate II(843) be connected to straight plate II(842) a rear flank be welded on base plate II together with straight plate II again, described base plate II(841) be provided with alignment pin (83), described straight plate II(842) be provided with the junction plate II(844 being connected with tower section in place (35)).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110008737.4A CN102127987B (en) | 2011-01-17 | 2011-01-17 | Guide rail system for assembling flange connection tower sections of power transmission line iron tower through helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110008737.4A CN102127987B (en) | 2011-01-17 | 2011-01-17 | Guide rail system for assembling flange connection tower sections of power transmission line iron tower through helicopter |
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| CN102127987A CN102127987A (en) | 2011-07-20 |
| CN102127987B true CN102127987B (en) | 2014-03-12 |
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| CN201110008737.4A Active CN102127987B (en) | 2011-01-17 | 2011-01-17 | Guide rail system for assembling flange connection tower sections of power transmission line iron tower through helicopter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161855A1 (en) * | 2014-04-22 | 2015-10-29 | Vestas Wind Systems A/S | Alignment tool, system and method for the connection of wind turbine tower segments |
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| CN102561788B (en) * | 2010-12-21 | 2014-09-17 | 国家电网公司直流建设分公司 | Guide track series for helicopter assemblage power transmission line iron tower |
| GB2493948B (en) * | 2011-08-24 | 2013-11-06 | Technip France | Tower section alignment apparatus and system |
| AU2012101066B4 (en) * | 2012-07-17 | 2013-07-25 | Downer Edi Engineering Power Pty Ltd | Guide system and method for erecting power transmission line towers |
| CN108857328B (en) * | 2018-09-12 | 2020-04-24 | 东莞中子科学中心 | Remote ball socket automatic positioning device and method for high-radiation area equipment |
| CN109519029B (en) * | 2018-11-20 | 2020-09-18 | 浙江盛达铁塔有限公司 | Helicopter vertical tower positioning device |
| CN111997430B (en) * | 2020-08-10 | 2021-07-30 | 安徽送变电工程有限公司 | High tower for line crossing in construction of extra-high voltage transmission line and assembling method thereof |
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| WO2015161855A1 (en) * | 2014-04-22 | 2015-10-29 | Vestas Wind Systems A/S | Alignment tool, system and method for the connection of wind turbine tower segments |
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| CN102127987A (en) | 2011-07-20 |
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