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Full-automatic net blocking/dismounting telescopic crossing frame

A telescopic, spanning frame technology, applied in the field of spanning frames, can solve the problems that the sealing arm cannot meet the impact resistance performance of the telescopic spanning frame, the hydraulic cylinder pressure is not adjusted well, and the speed of sealing/disassembling the net is slow. The effect of high-altitude fall risk, low overall quality, and safety risk reduction

Pending Publication Date: 2021-07-16
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the disadvantages of poor safety, heavy machine weight, low degree of automation, and slow speed of closing / dismantling the network, the traditional spanning frame cannot meet the construction needs. The research on high new spanning frame is one of the improvement directions of spanning construction
[0003] The invention patent with the application number 201810554650.9 discloses "a spanning frame and its installation method". The pressure of the oil cylinder is not easy to adjust, the vibration is large during the movement, and the accuracy is not guaranteed. When the telescopic arms on both sides are docked, there is no special observation equipment, and personnel need to climb up to observe. The docking operation is difficult and dangerous, and its sealing arm The material cannot meet the impact resistance requirements of the telescopic spanning frame

Method used

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  • Full-automatic net blocking/dismounting telescopic crossing frame
  • Full-automatic net blocking/dismounting telescopic crossing frame
  • Full-automatic net blocking/dismounting telescopic crossing frame

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, a fully automatic net closing / unnetting retractable spanning frame provided in this embodiment includes two frame bodies 1, two spanning components arranged between the two frame bodies 1 and parallel to each other, Hard-sealed net holding poles 3 and insulating nets between the components; the spanning component includes two mutually symmetrical spanning units, the spanning unit includes a working platform 5 connected to the outside of the frame body 1, an adjustment bracket 6 arranged on the upper side of the working platform 5, The telescopic net sealing boom 7 that penetrates through the adjustment bracket 6 and is connected with it, the docking mechanism 9 provided at the front end of the net sealing boom 7 and the anti-twist mechanism 8 provided at the lower side of the net sealing boom 7, and the hard sealing net holding rod 3 is connected with the anti-twist mechanism 8, and the hard-sealing net holding rod 3 is axially perpendicular t...

Embodiment 2

[0044] The net-sealing arm 7 of the telescopic spanning frame provided in this embodiment includes the following components by mass percentage: C0.2%, Si 0.55%, Mn 1.0%, P 0.035%, S 0.03%, Cr 0.3% , Ni 0.1%, Cu 0.4%, and the balance is iron and impurities.

[0045] Butt joints include the following components by mass percentage: C 1.0%, Si 0.85%, Mn 1.3%, Cr 7.2%, Ni 0.85%, Mo 0.55%, Ti 0.25%, P0.05%, the balance For iron and impurities.

Embodiment 3

[0047] The net-sealing arm 7 of the telescopic spanning frame provided in this embodiment includes the following components by mass percentage: C0.24%, Si 0.4%, Mn 1.6%, P 0.03%, S 0.035%, Cr 0.2% , Ni 0.35%, Cu 0.2%, and the balance is iron and impurities.

[0048] Butt joints include the following components by mass percentage: C 1.9%, Si 0.7%, Mn2.3%, Cr8.5%, Ni 0.6%, Mo 0.7%, Ti 0.15%, P0.07%, the balance For iron and impurities.

[0049] Adopting the material of the net-sealing arm 7 provided by the present invention effectively improves its impact resistance, and the material of the butt joint effectively improves its strength, both of which improve the service life of the spanning frame, and are suitable for engineering applications.

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Abstract

The invention discloses a full-automatic net blocking / dismounting telescopic crossing frame which comprises two frame bodies symmetrically and correspondingly arranged and equal in height, two spanning assemblies arranged between the frame bodies and located on the same horizontal plane, and a hard net blocking holding pole and an insulating net arranged between the spanning assemblies. The spanning assembly comprises two mutually symmetrical spanning units, and each spanning unit comprises a working platform connected with the outer side of the frame body, an adjusting support arranged on the upper side of the working platform, a telescopic net sealing large arm penetrating through the adjusting support and connected with the adjusting support, a butt joint mechanism arranged at the front end of the net sealing large arm and an anti-twisting mechanism arranged on the lower side of the net sealing large arm; the cross section of the adjusting support is a rectangular frame, and a longitudinal component and a transverse component which form the rectangular frame are provided with ball adjusting lead screws. The adjusting precision of net blocking / net disassembling and the impact resistance strength of the spanning frame are effectively improved, manual monitoring is reduced, and full-automatic net blocking / net disassembling is achieved.

Description

technical field [0001] The invention relates to a spanning frame, in particular to a fully automatic net sealing / netting removal telescopic spanning frame. Background technique [0002] With the rapid development of UHV construction, the voltage level of new power lines and the transmission capacity of wires are gradually increasing, which puts forward higher requirements for construction technology. During the construction of transmission lines, when encountering obstacles such as existing power lines, high-speed railways, highways, and oil and gas pipelines, new power lines need to cross and cross, and the crossing has high safety requirements and a short window time. However, the traditional spanning frame cannot meet the construction needs due to the disadvantages of poor safety, heavy weight, low degree of automation, and slow speed of closing / dismantling the network. The research on Gao's new spanning frame is one of the improvement directions of spanning construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/02
CPCH02G1/02
Inventor 夏拥军张荣旺万建成蔡松林贾宁马勇
Owner CHINA ELECTRIC POWER RES INST
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