CN213683456U - Guiding assembly for helicopter erection power transmission line iron tower - Google Patents
Guiding assembly for helicopter erection power transmission line iron tower Download PDFInfo
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- CN213683456U CN213683456U CN202021564972.0U CN202021564972U CN213683456U CN 213683456 U CN213683456 U CN 213683456U CN 202021564972 U CN202021564972 U CN 202021564972U CN 213683456 U CN213683456 U CN 213683456U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 21
- 210000001503 joint Anatomy 0.000 abstract description 7
- 238000000354 decomposition reaction Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model provides a direction subassembly that helicopter assemblage power transmission line iron tower was used, include the bolt that fixing flange, the flange of being hung tower section bottom and connection fixing flange and flange used taking one's place on the tower section top, still include direction rope and draw gear, the connection can be dismantled to the screw rod of direction rope and bolt, draw gear provides traction force for the direction rope, the one end and the draw gear of direction rope are connected, and the screw rod of the other end and bolt is connected. The utility model provides a pair of direction subassembly and application method that helicopter assemblage power transmission line iron tower was used has reduced helicopter assemblage construction, to the requirement of construction precision in the butt joint process for the construction process improves the efficiency of construction.
Description
Technical Field
The utility model relates to a power transmission line iron tower assemblage construction technical field, concretely relates to direction subassembly and application method that helicopter assemblage power transmission line iron tower used.
Background
The transmission line iron towers can be roughly divided into two types according to the structure type, namely stay-supported iron towers and self-supporting iron towers. The tower body of the stay wire type iron tower has poor self anti-tipping capability, and the stay wire is required to be used for keeping the stable vertical state of the tower body; the tower shape of the self-supporting iron tower is wider, and the self-supporting iron tower has the advantages of large bearing capacity, good rigidity, no need of stay wires and the like, thereby having wide application. The iron tower can be divided into three sections from bottom to top: tower legs, a tower body and a tower head. The erection of the iron tower generally has two construction methods, namely an integral tower erection method and a decomposition tower erection method. The self-standing iron tower is generally assembled by using a decomposition tower assembling method, and can be integrally assembled under the condition of permission. The method is a construction method for assembling the iron tower by splitting the iron tower into single components, single sheets or single-section trusses, and using hoisting equipment to carry out independent hoisting, aerial butt joint and sequential assembly. Compared with the commonly used tower assembling hoisting equipment such as a construction holding pole, a mobile crane, a tower crane special for tower assembling and the like for tower assembling, the tower assembling construction is carried out by a helicopter at present. When the helicopter is used for tower assembling construction, a corresponding guide rail system needs to be installed on a tower section, and due to the limitation of the guide rail system, the construction precision requirement is high in butt joint engineering during the tower assembling construction by the helicopter, so that the progress is slow, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direction subassembly and application method that helicopter assemblage power transmission line iron tower was used when having reduced helicopter assemblage construction, to the requirement of construction precision in the butt joint process for the construction process improves the efficiency of construction. The technical scheme of the utility model as follows:
a guide assembly for a helicopter assembly power transmission line iron tower comprises a fixing flange at the top end of a tower section which is in place, a connecting flange at the bottom end of a tower section to be hoisted, a bolt for connecting the fixing flange and the connecting flange, a guide rope and a traction device, wherein the guide rope is detachably connected with a screw rod of the bolt, the traction device provides traction force for the guide rope, one end of the guide rope is connected with the traction device, and the other end of the guide rope is connected with the screw rod of the bolt.
The bolt is characterized in that an internal thread hole is formed in the lower end of the screw rod of the bolt, and an external thread matched with the internal thread hole is arranged at one end of the guide rope.
The tower crane further comprises a pulley block arranged at the bottom end of the positioned tower segment.
The traction device comprises a tractor.
A use method of a guide assembly for assembling a power transmission line iron tower by a helicopter comprises the following steps: s1, installing a bolt into a bolt hole on a connecting flange at the bottom end of the tower crane section, and screwing one end of the guide rope with the external thread into an internal thread hole of a screw rod on the bolt for connection; s2, hoisting the hoisted tower section by a helicopter and conveying the hoisted tower section to the position right above the tower section, and hovering the helicopter; s3, enabling the guide rope to penetrate out of the bolt hole on the fixing flange of the tower section in position, enabling the helicopter to slowly descend, and connecting the lower end of the guide rope with the tractor around the pulley block; s4, after the tower crane section is in place, the guide rope is screwed out of the bolt, the bolt is screwed by the nut, and the helicopter is separated from the tower crane section.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of direction subassembly and application method that helicopter assemblage power transmission line iron tower was used has reduced helicopter assemblage construction, to the requirement of construction precision in the butt joint process for the construction process improves the efficiency of construction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present invention, it is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments thereof.
As shown in fig. 1, the guiding assembly for the helicopter assembly power transmission line tower comprises a fixing flange 11 at the top end of a tower section 1 which is in place, a connecting flange 21 at the bottom end of a tower section 2 to be hoisted, a bolt 3 for connecting the fixing flange 11 and the connecting flange 21, a guiding rope 4 and a traction device 6, wherein the guiding rope 4 is detachably connected with a screw rod of the bolt 3, the traction device 6 provides traction force for the guiding rope 4 to facilitate the butt joint of the tower section 2 to be hoisted and the tower section 1 which is in place, one end of the guiding rope 4 is connected with the traction device 6, and the other end of the guiding rope 4 is connected with the screw rod of the bolt 3.
The inside internal thread hole that is equipped with of lower extreme of bolt 3's screw rod, the one end of direction rope 4 be equipped with internal thread hole assorted external screw thread, the screw rod part of direction rope 4 and bolt 3 can dismantle the connection through screw-thread fit.
The guiding assembly further comprises a pulley block arranged at the bottom end of the tower section 2 which is in place, a guiding rope 3 is wound around the pulley block, one end of the guiding rope 4 is connected with a traction device 6, and the other end of the guiding rope is connected with a screw rod of the bolt 3.
The traction device 6 comprises a tractor, and other traction devices can be adopted.
The general construction process of using a flange connection tower section in a helicopter assembly tower is as follows:
(1) a set of guide rail components are respectively arranged at four connecting positions of the hoisted tower section 2 and the positioned tower section 1 and connected with a limiting rope 7;
(2) the assembled suspended tower section 2 is suspended below the belly of the helicopter by using a suspension device or a hanger 8, and then is lifted to the position above the tower section 1 and suspended;
(3) the helicopter driver gradually reduces the hovering height, so that the hoisted tower section 2 slowly descends under the guiding action of the guiding assembly and enters the installation position to be in place;
(4) the helicopter loosens the connection with the hung tower section and flies away, constructors climb the tower and connect the flanges between the tower sections by using bolts, and therefore the helicopter assembly construction of the flange connection tower section in the iron tower is completed.
The use method of the helicopter for assembling the power transmission line iron tower by adopting the guide assembly comprises the following steps: s1, before being hoisted, checking the hoisted tower section, after confirming that the error is not found, installing the bolt 3 into the bolt hole on the connecting flange 21 at the bottom end of the hoisted tower section 2, enabling the screw rod part of the bolt 3 to face downwards, screwing the end with the external thread on the guide rope 4 into the internal thread hole of the screw rod from the lower part of the bolt 3, and connecting the guide rope 4 and the bolt 3 into a whole; s2, hoisting the hoisted tower section 2 by a helicopter through the hoist 8, and conveying the hoisted tower section to the position right above the tower 1, and hovering the helicopter; s3, the constructor steps on the tower, the lower end of the guide rope 4 penetrates out of the bolt hole on the fixing flange 11 of the tower section 1 which is positioned, the helicopter descends slowly, the ground constructor winds the guide rope 4 on the fixed pulley after the lower end of the guide rope 4 falls to the ground, the lower end of the guide rope 4 is connected with the traction device 6, the traction device 6 pulls the guide rope 4, the tower section 2 to be hoisted descends slowly under the action of the guide rope 4, the adjustment and alignment of the connection part need to be noticed in the descending process, the bolt enters the bolt hole of the fixing flange 11 at the top end of the tower section 1 which is positioned, and the positioning work of the tower section 2 to be hoisted is completed; s4, after the tower crane section 2 is in place, the guide rope 4 is screwed out of the bolt 3, ground constructors pack up the guide rope 4, the constructors on the tower tighten the bolt 3 with nuts to complete the connection between the tower sections, the hanger 8 loosens the connection with the tower crane section 2, and the helicopter flies away.
The utility model provides a pair of direction subassembly and application method that helicopter assemblage power transmission line iron tower was used has reduced helicopter assemblage construction, to the requirement of construction precision in the butt joint process for the construction process improves the efficiency of construction.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. The direction subassembly that helicopter assemblage power transmission line iron tower was used includes at mounting flange (11) of taking one's place tower section (1) top, flange (21) and the bolt (3) that connection mounting flange (11) and flange (21) were used of being hung tower section (2) bottom, its characterized in that: still include direction rope (4) and draw gear (6), the screw rod of direction rope (4) and bolt (3) can be dismantled and be connected, draw gear (6) provide traction force for direction rope (4), the one end and the draw gear (6) of direction rope (4) are connected, and the other end is connected with the screw rod of bolt (3).
2. The guide assembly for a helicopter assembly power line tower of claim 1 further comprising: the bolt is characterized in that an internal threaded hole is formed in the lower end of a screw rod of the bolt (3), and an external thread matched with the internal threaded hole is arranged at one end of the guide rope (4).
3. The guide assembly for a helicopter assembly power line tower of claim 1 further comprising: the device also comprises a pulley block arranged at the bottom end of the positioned tower segment (1).
4. The guide assembly for a helicopter assembly power line tower of claim 3 further comprising: the traction device (6) comprises a tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564972.0U CN213683456U (en) | 2020-07-31 | 2020-07-31 | Guiding assembly for helicopter erection power transmission line iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564972.0U CN213683456U (en) | 2020-07-31 | 2020-07-31 | Guiding assembly for helicopter erection power transmission line iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213683456U true CN213683456U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021564972.0U Active CN213683456U (en) | 2020-07-31 | 2020-07-31 | Guiding assembly for helicopter erection power transmission line iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213683456U (en) |
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2020
- 2020-07-31 CN CN202021564972.0U patent/CN213683456U/en active Active
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