CN210289336U - Upturned steering pulley for internal suspension and external stay wire holding pole group tower - Google Patents
Upturned steering pulley for internal suspension and external stay wire holding pole group tower Download PDFInfo
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- CN210289336U CN210289336U CN201920881097.XU CN201920881097U CN210289336U CN 210289336 U CN210289336 U CN 210289336U CN 201920881097 U CN201920881097 U CN 201920881097U CN 210289336 U CN210289336 U CN 210289336U
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- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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Abstract
The utility model discloses an upward turning pulley for an internal suspension and external stay wire holding pole tower, belonging to the technical field of tower construction equipment of ultra-high voltage transmission lines, comprising a fixed part, a support rib plate and a turning pulley, wherein the fixed part is fixedly connected with a ground wire bracket; the support rib plates are arranged in parallel, and one end of each support rib plate is fixedly connected with the two connecting plates; the steering pulley is provided with at least one supporting rib plate which is positioned between two adjacent supporting rib plates and is rotationally connected with the two supporting rib plates through a rotating shaft positioned in the middle of the steering pulley, and the outer circular surface of the steering pulley is provided with at least one rope groove used for being matched with a grinding rope. The utility model discloses can solve the outer cross arm that exists among the prior art and turn to rocking, unstable technical problem, can reach outer cross arm and turn to steady, reliable and safe technological effect.
Description
Technical Field
The utility model belongs to the technical field of extra-high voltage transmission line's equipment for tower construction, more specifically say, relate to an interior suspension is acted as go-between outward and is embraced pole group tower and turn to coaster with court day.
Background
For tower assembling construction of an ultra-high voltage transmission line, an internal suspension and external stay wire holding pole is often used for operation. When the outer cross arm of the linear tower is hoisted, the grinding rope on the holding pole needs to extend to the ground through the turning of the ground wire support so as to hoist the outer cross arm.
For the steering of the grinding rope, the prior art is to hang a fixed pulley on a ground wire bracket by using a steel wire rope, and the grinding rope completes the steering by the fixed pulley.
The method for hanging the fixed pulley by using the steel wire rope has higher danger coefficient. Firstly, the steel wire rope suspension fixed pulley is not a stable structure, so that shaking and jittering are easy to occur, and potential safety hazards are increased; secondly, when the outer cross arm is lifted to the height of the inner cross arm, the lower surface angle steel of the inner cross arm and the lower surface angle steel of the outer cross arm need to penetrate through a bolt, and the outer cross arm is rotated by taking the bolt as an axis to enable the top of the outer cross arm to be in place, and the method for suspending the fixed pulley by the steel wire rope has the advantages of over-low steering stress point, small arm of force, large torque and higher danger coefficient during rotation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interior suspension is acted as go-between outward and is embraced pole group tower and turn to coaster with court day to the outer cross arm that exists turns to and rocks, unstable technical problem among the solution prior art, can reach outer cross arm and turn to steady, reliable and safe technological effect.
In order to achieve the above object, the utility model adopts the following technical scheme: provides a skyward steering pulley for an internal suspension and external stay wire holding pole group tower, which comprises
The fixing part is used for being fixedly connected with the ground wire bracket;
the support rib plates are arranged in parallel, and one end of each support rib plate is fixedly connected with the fixing part;
the steering pulley is provided with at least one supporting rib plate, the supporting rib plates are located between every two adjacent supporting rib plates, the rotating shaft located in the middle of the steering pulley is rotatably connected with the two supporting rib plates, and at least one rope groove used for being matched with the grinding rope is formed in the outer circular surface of the steering pulley.
Furthermore, the fixing part comprises a fixed vertical plate and a fixed transverse plate, one end of the fixed transverse plate is vertically and fixedly connected with the bottom end of the fixed vertical plate, and one end of the supporting rib plate is welded and fixed with the side face of the side, opposite to the fixed vertical plate and the fixed transverse plate, of the side face of the supporting rib plate.
Furthermore, the supporting rib plates are strip-shaped plates, and the installation direction of the supporting rib plates is along the 45-degree direction of an included angle between the fixed vertical plate and the fixed transverse plate.
Furthermore, the fixed vertical plate and the fixed transverse plate are respectively and fixedly connected with the ground wire bracket through bolt assemblies.
Furthermore, the outer side of the rope groove is also provided with a limiting part for limiting the grinding rope to be separated from the rope groove.
Furthermore, the limiting part comprises a limiting frame positioned on the inner side of any one of the two adjacent supporting rib plates, a limiting rod connected with the limiting frame through an automatic elastic hinge structure, and a first limiting part positioned on the inner side of the other one of the two adjacent supporting rib plates, the limiting rod is positioned on the outer side of the rope groove and used for blocking the grinding rope and preventing the grinding rope from separating from the rope groove, the inward opening and the outward closing of the rope groove by the limiting rod are realized through the automatic elastic hinge structure, and the first limiting part is used for blocking the outward rotation of the limiting rod.
Further, automatic elasticity hinge structure include with spacing frame fixed connection's articulated shaft with be used for connecting the articulated shaft with the torsional spring of gag lever post, the gag lever post with the articulated shaft rotates to be connected.
Further, the first limiting part is a limiting plate, a limiting block or a limiting rod body.
Further, a bearing is arranged between the rotating shaft and the support rib plate.
Further, the number of the support ribs is two.
The utility model provides a pair of pole group tower is embraced to interior suspension outer acting as go-between with the beneficial effect that turns to the coaster towards the sky lies in: the utility model discloses an interior suspension is acted as go-between outward and is embraced pole group tower and adopt the fixed portion to fix diverting pulley on the ground wire support with turning to the coaster heaven, adopts fixed part and ground wire support fixed connection, and is fixed more firm reliable, and it is fixed with the fixed part to support the floor, can improve bearing capacity, and diverting pulley rotates through pivot and support the floor to be connected, grinds the rope groove cooperation that is equipped with on the outer disc of rope and the diverting pulley. When the device works, the grinding rope of the holding pole is introduced from the lifting hook, penetrates through the steering pulley and is matched with the rope groove, the outer cross arm is lifted through the lifting hook, and the grinding rope is assisted to steer when the outer cross arm of the linear tower is lifted. This interior suspension is acted as go-between outward and is embraced pole group tower and turn to coaster with turning to the sky has solved the outer cross arm that exists among the prior art and has turned to rocking, unstable technical problem, can reach outer cross arm and turn to steady, reliable and safe technical effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a skyward steering tackle for an internal suspension and external bracing wire holding pole group tower provided by an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic structural view of a part of the structure of the limiting portion in fig. 2.
Wherein, in the figures, the respective reference numerals:
the automatic steering mechanism comprises a fixing part 1, a supporting rib plate 2, a rotating shaft 3, a steering pulley 4, a rope groove 4-1, a limiting part 5, a limiting frame 5-1, an automatic elastic hinge structure 5-2, a second limiting part 5-3, a limiting rod 5-4, a first limiting part 5-5, a hinge shaft 5-6 and a bolt assembly 6.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the skyward turning pulley for the internal suspension and external stay wire holding pole group tower of the present invention comprises a fixing part 1, a support rib plate 2 and a turning pulley 4; the fixing part 1 is used for being fixedly connected with the ground wire bracket; the number of the support rib plates 2 is two, the support rib plates 2 are arranged in parallel, one end of each support rib plate 2 is fixedly connected with the fixing part, preferably, the support rib plates 2 are fixed by welding, the support rib plates 2 are upward in an inclined mode, and a certain included angle is formed between the support rib plates and the horizontal direction; the turning pulley 4 is provided with one, is located adjacent two between the support rib plate 2, through being located the pivot 3 at 4 middle parts of turning pulley is connected with two support rib plate 2 rotates, the pivot 3 with be equipped with the bearing between the support rib plate 2, be equipped with two on the outer periphery of turning pulley 4 and be used for with grind rope complex grooving 4-1, and two parallel interval arrangement between the grooving 4-1.
The steering pulley utilizes the internal suspension and external stay wire holding pole to carry out tower assembling construction, and is installed on the ground wire support when the linear tower outer cross arm is hoisted, so as to assist the steering of the holding pole grinding rope and complete the operation of hoisting the outer cross arm. The turning tackle achieves the purpose of assisting the grinding rope to turn when a cross arm outside a linear tower is hoisted, so that safe and efficient construction is achieved.
The upward steering pulley for the internal suspension external stay wire derrick tower adopts the fixing part 1 to fix the steering pulley 4 on the ground wire support, the fixing part 1 is fixedly connected with the ground wire support, the bearing capacity is increased, the fixation is firmer and more reliable, the supporting rib plates 2 are fixed with the fixing part 1, the bearing capacity can be further improved, the steering pulley 4 is rotatably connected with the supporting rib plates 2 through the rotating shaft 3, and the grinding rope is matched with the rope groove 4-1 arranged on the outer circular surface of the steering pulley 4. When the device works, the grinding rope of the holding pole is led in from the lifting hook, penetrates through the steering pulley 4 and is matched with the rope groove 4-1, the outer cross arm is lifted through the lifting hook, and the grinding rope is assisted to steer when the outer cross arm of the linear tower is lifted. This interior suspension is acted as go-between outward and is embraced pole group tower and turn to coaster with turning to the sky has solved the outer cross arm that exists among the prior art and has turned to rocking, unstable technical problem, can reach outer cross arm and turn to steady, reliable and safe technical effect.
For tower assembling construction of an ultra-high voltage transmission line, an internal suspension and external stay wire holding pole is often used for operation. When the outer cross arm of the linear tower is hoisted, the grinding rope on the holding pole needs to extend to the ground through the ground wire support after steering so as to hoist the outer cross arm, and the technical effects of stable, reliable and safe steering of the outer cross arm can be achieved.
Please refer to fig. 1-4, as the utility model provides an interior suspension is acted as go-between outward and is embraced pole group tower with a specific implementation mode that turns to coaster to the sky, fixed part 1 including fixed riser and one end with the fixed diaphragm of the perpendicular fixed connection in bottom of fixed riser, fixed riser and fixed diaphragm constitute the mount of "L" shape, fixed riser and fixed diaphragm can be through welded fastening, certainly in order to strengthen the joint strength between fixed diaphragm and the fixed riser, fixed diaphragm and fixed riser can adopt an organic whole structure, can increase bearing capacity, it is more firm reliable to fix, the one end of bracing floor and the fixed riser with the side of the relative one side of fixed diaphragm is all welded fastening, adopt the welding process of double side welding, can further improve bearing capacity.
Please refer to fig. 1-4, as a specific implementation manner of the skyward turning pulley for the internal suspension external stay wire holding pole group tower provided by the utility model, the support rib plate 2 is a long strip-shaped plate, the installation direction of the support rib plate 2 is along the 45 ° direction of the included angle between the fixed vertical plate and the fixed transverse plate, i.e. the support rib plate is located in the range where the fixed vertical plate and the fixed transverse plate are clamped, and the included angle between the support rib plate 2 and the fixed vertical plate and the fixed transverse plate is 45 °.
Above-mentioned support floor 2's setting for fixed part 1 is installed on the ground wire support after, and support floor 2's upper end can outwards be stretched out certain distance, makes the grinding rope can keep away from certain distance of cross arm and shaft tower, avoids grinding rope and cross arm and shaft tower to take place to interfere, can guarantee to realize outer cross arm through grinding rope and the cooperation of diverting pulley and turn to steady, reliable and safety.
Referring to fig. 1-4, as a specific embodiment of the skyward turning pulley for the internal suspension external stay wire holding pole group tower provided by the present invention, the fixed vertical plate and the fixed horizontal plate are respectively and fixedly connected to the ground wire bracket through bolt assemblies.
The fixed vertical plate and the fixed transverse plate are connected to the ground wire support through the bolt assemblies, the installation and the disassembly of the fixed portion 1 and the ground wire support are achieved, the installation and the disassembly are more convenient, the time and the labor are saved, and the connection is firm, reliable and safe.
Referring to fig. 1-4, as a specific embodiment of the skyward turning pulley for an internal suspension and external stay wire holding pole group tower provided by the present invention, a limiting portion 5 for limiting the separation of the grinding rope from the rope groove 4-1 is further disposed outside the rope groove 4-1.
The limiting part 5 is mainly used for preventing the grinding rope from being separated from the rope groove 4-1 on the steering pulley 4, the grinding rope is limited inside the rope groove 4-1 through the arrangement of the limiting part 5, the matching of the grinding rope and the steering pulley 4 is guaranteed, the grinding rope is guaranteed to penetrate through the steering pulley 4 and be matched with the rope groove 4-1, the outer cross arm is hoisted through the lifting hook, the grinding rope is assisted to steer when the outer cross arm of the linear tower is hoisted, the technical problems that the outer cross arm is swayed and unstable in steering in the prior art are solved, and the technical effects that the outer cross arm is steered stably, reliably and safely can be achieved.
Referring to fig. 4, as a specific embodiment of the skyward turning pulley for an internal suspension and external stay wire holding pole group tower provided by the present invention, the limiting portion 5 includes a limiting frame 5-1 located at the inner side of one of the two adjacent supporting rib plates 2, a limiting rod 5-4 connected to the limiting frame 5-1 through an automatic elastic hinge structure 5-2, and a first limiting member 5-5 located at the inner side of the other one of the two adjacent supporting rib plates 2, the limiting rod 5-4 is located at the outer side of the rope groove 4-1 and is used for blocking the grinding rope and preventing the grinding rope from separating from the rope groove 4-1, one end of the limiting rod 5-4 is connected to the inner side of the supporting rib plate 2 through an automatic elastic hinge structure 5-2, the limiting rod 5-4 is used for opening the rope groove 4-1 inwards and closing the rope groove 4-1 outwards through the automatic elastic hinge structure 5-2, and the first limiting piece 5-5 is used for blocking the limiting rod 5-4 from rotating outwards.
The limiting part 5 is mainly used for preventing the grinding rope from being separated from the rope groove 4-1, the limiting part 5 comprises a limiting frame 5-1, a limiting rod 5-4 and a first limiting part 5-5, the limiting rod 5-4 realizes inward opening and outward automatic closing of the limiting rod 5-4 to the rope groove 4-1 through an automatic elastic hinge structure 5-2, in the work, when the grinding rope is required to be matched and connected with the rope groove 4-1, only the grinding rope needs to be remotely controlled, the grinding rope is forced to press the limiting rod 5-4, the limiting rod 5-4 can rotate, the grinding rope enters the rope groove 4-1, after the grinding rope enters, the limiting rod 5-4 automatically bounces under the action of the automatic elastic hinge structure 5-2 and rotates in the opposite direction to the original position, and the first limiting part 5-1 can limit the limiting rod 5-4, the limiting rod 5-4 can be prevented from continuously turning outwards, and the space at the upper part of the rope groove 4-1 can be sealed by the limiting rod 5-4.
Referring to fig. 1-4, as a specific embodiment of the skyward turning pulley for an internal suspension and external stay wire holding pole group tower provided by the present invention, the automatic elastic hinge structure 5-2 includes a hinge shaft 5-6 fixedly connected to the limiting frame 5-1 and a torsion spring 5-2 for connecting the hinge shaft 5-6 and the limiting pole 5-4, the torsion spring 5-2 is sleeved on the hinge shaft 5-6, a protrusion is provided in the middle of the torsion spring 5-2 and is sleeved with the limiting pole 5-4, and the limiting pole 5-4 is rotatably connected to the hinge shaft 5-6.
The automatic elastic hinge structure 5-2 can realize rotation of the limiting rod 5-4, can realize automatic overturning and homing under the action of the torsion spring 5-2, does not need manual operation, is simple in structure and convenient to use, can realize the matching of an operator remote control grinding rope and the rope groove 4-1, is time-saving and labor-saving, is more convenient and fast, and improves the working efficiency.
As a specific embodiment of the upturned steering pulley for the internal suspension external stay wire holding pole group tower, the limiting frame 5-1 comprises a fixed plate and two side plates fixedly connected with two sides of the fixed plate respectively, the articulated shaft 5-6 is fixedly connected with the two fixed plates, a second limiting part 5-3 is further arranged above the limiting pole 5-4, and the second limiting part 5-3 is fixedly connected with the two fixed plates and used for controlling the limiting pole 5-4 to turn upwards.
According to the structural design, the second limiting part 5-3 is located on the upper portion of the limiting rod and is close to the position of the hinged shaft 5-6, in the upward overturning process of the limiting rod 5-4, when the limiting rod 5-4 is overturned to a certain angle, the outer wall of the limiting rod 5-4 is in contact with the second limiting part 5-3, the second limiting part 5-3 can further limit the limiting rod 5-4 to continuously overturn upwards, the limiting rod 5-4 is locked, and the grinding rope is limited in a space formed by the limiting rod 5-4, the two supporting rib plates 2 and the steering pulley 4.
As a specific embodiment of the skyward turning pulley for the internal suspension and external stay wire holding pole group tower provided by the present invention, the first locating part 5-5 and the second locating part 5-3 are limiting plates, limiting blocks or limiting pole bodies.
The first limiting part 5-5 preferably adopts a limiting block, the first limiting part 5-5 is mainly used for blocking and connecting the end part of the limiting rod 5-4, the second limiting part 5-3 preferably adopts a limiting rod body, two ends of the limiting rod body are respectively and fixedly connected with the two fixing plates, and the limiting rod 5-4 is limited through the rod body of the limiting rod body.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The pole group tower of holding a pole is acted as go-between outward with turning to coaster to sky in interior suspension, its characterized in that: comprises that
The fixing part is used for being fixedly connected with the ground wire bracket;
the support rib plates are arranged in parallel, and one end of each support rib plate is fixedly connected with the fixing part;
the steering pulley is provided with at least one supporting rib plate, the supporting rib plates are located between every two adjacent supporting rib plates, the rotating shaft located in the middle of the steering pulley is rotatably connected with the two supporting rib plates, and at least one rope groove used for being matched with the grinding rope is formed in the outer circular surface of the steering pulley.
2. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 1, wherein: the fixing part comprises a fixed vertical plate and a fixed transverse plate, one end of the fixed transverse plate is vertically and fixedly connected with the bottom end of the fixed vertical plate, and one end of the supporting rib plate is welded and fixed with the side face of the side, opposite to the fixed vertical plate and the fixed transverse plate, of the side face of the supporting rib plate.
3. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 2, wherein: the supporting rib plates are strip-shaped plates, and the mounting direction of the supporting rib plates is along the 45-degree direction of an included angle between the fixed vertical plate and the fixed transverse plate.
4. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 3, wherein: the fixed vertical plate and the fixed transverse plate are fixedly connected with the ground wire support through bolt assemblies respectively.
5. The skyward turning tackle for the tower with the internal suspension and the external bracing wire holding pole set as claimed in any one of claims 1 to 4, wherein: the outer side of the rope groove is also provided with a limiting part used for limiting the grinding rope to be separated from the rope groove.
6. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 5, wherein: the limiting part comprises a limiting frame, a limiting rod and a first limiting part, the limiting frame is located on the inner side of any one of the two adjacent supporting rib plates, the limiting rod is connected with the limiting frame through an automatic elastic hinge structure, the first limiting part is located on the inner side of the other one of the two adjacent supporting rib plates, the limiting rod is located on the outer side of the rope groove and is used for blocking the grinding rope and preventing the grinding rope from being separated from the rope groove, inward opening and outward closing of the limiting rod on the rope groove are achieved through the automatic elastic hinge structure, and the first limiting part is used for blocking outward rotation of the limiting rod.
7. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 6, wherein: the automatic elastic hinge structure comprises a hinge shaft fixedly connected with the limiting frame and a torsion spring used for connecting the hinge shaft with the limiting rod, and the limiting rod is rotatably connected with the hinge shaft.
8. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 6, wherein: the first limiting part is a limiting plate, a limiting block or a limiting rod body.
9. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 1, wherein: and a bearing is arranged between the rotating shaft and the support rib plate.
10. The skyward turning tackle for the internal suspension and external bracing wire derrick tower as claimed in claim 1, wherein: the number of the support rib plates is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881097.XU CN210289336U (en) | 2019-06-12 | 2019-06-12 | Upturned steering pulley for internal suspension and external stay wire holding pole group tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881097.XU CN210289336U (en) | 2019-06-12 | 2019-06-12 | Upturned steering pulley for internal suspension and external stay wire holding pole group tower |
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| Publication Number | Publication Date |
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| CN210289336U true CN210289336U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920881097.XU Active CN210289336U (en) | 2019-06-12 | 2019-06-12 | Upturned steering pulley for internal suspension and external stay wire holding pole group tower |
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| CN (1) | CN210289336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405150A (en) * | 2022-10-14 | 2022-11-29 | 国网山东省电力公司建设公司 | Stay rod pull wire control device is embraced in suspension to iron tower assemblage |
-
2019
- 2019-06-12 CN CN201920881097.XU patent/CN210289336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405150A (en) * | 2022-10-14 | 2022-11-29 | 国网山东省电力公司建设公司 | Stay rod pull wire control device is embraced in suspension to iron tower assemblage |
| CN115405150B (en) * | 2022-10-14 | 2023-11-07 | 国网山东省电力公司建设公司 | Iron tower assemblage is with interior suspension pole control device that draws wires |
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