Electric transmission line iron stand foundation and construction method

A transmission line and basic technology, applied in infrastructure engineering, construction, etc., can solve the problems of difficult natural conditions, heavy workload, increased maintenance costs, etc., and achieve the effect of ensuring construction quality, tight joints, and shortening construction period.

Pending Publication Date: 2020-04-10
POWER CHINA HENAN ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the development of society and economy, the demand for energy continues to increase. As one of the important energy sources in my country, with the development of the power industry, the number of lines is increasing, the scope of the power grid is expanding, and gradually forming a dense and networked form. Power lines are the key to power transportation. An important carrier of the power line, it plays a supporting role in the erection of the line; especially in the transmission of electricity in the iron tower, the technical quality of the iron tower is closely related to the operation effect of the entire power line, and is also closely related to the stability and safety of the power line operation; and the difficulties in the construction of the iron tower The reason is that the iron tower is large in size and is mostly built in open places in the wild. The natural conditions are quite difficult and the workload is heavy. The general project often needs to use hundreds of cubic meters of concrete; and the field construction is more obvious at one time. The quality must be qualified at the time, otherwise it will be difficult to deal with problems found in the follow-up work, which will inevitably delay the construction period and increase maintenance costs

Method used

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  • Electric transmission line iron stand foundation and construction method
  • Electric transmission line iron stand foundation and construction method
  • Electric transmission line iron stand foundation and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Example 1: An iron frame foundation for a transmission line, including floor reinforcement 3 and column reinforcement 4. Bricks 2 are arranged at the bottom of the floor reinforcement 3, and the column reinforcement 4 is placed at the center of the floor reinforcement 3 There are four sets of support templates set around the four sets of support templates, each set of support templates are vertically stacked on top and bottom of at least three templates 5; a right-angle fixed plate 6 is set at the corner between the adjacent two sets of support templates At least three top rods 8 are provided between the outside of each group of supporting formwork and the inner wall of the foundation pit 1, and a supporting plate 9 is provided above the opening of the foundation pit. The supporting plate 9 and the top rod 8 are sequentially sheathed by a soft rope The outer part of the top rod and the supporting plate 9 are fixed together; the upper middle part of the four groups of supp...

Embodiment 2

[0055] Embodiment 2: The construction method of the iron frame foundation of the transmission line includes the following steps:

[0056] B. Construction preparation:

[0057] 1) Tool preparation: select measuring instruments suitable for construction use, including theodolite, steel tape, tower ruler, flower pole, level ruler, scientific calculator; complete foundation pit excavation, backfilling, foundation pouring, grounding trench excavation and Various tools for backfilling; in addition, small nails, string, paint, hammer, plumb should be prepared as auxiliary materials; the measuring instruments and measuring tools should be checked and corrected before use;

[0058] 2) Line retest: check straight line and angle of rotation, check pole position height difference and gear distance, check crossover position and elevation, check wind deflection influence points; check pole and tower position comprehensively, including: basic protection Scope, the height difference of the pole tow...

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PUM

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Abstract

The invention discloses a construction method of an electric transmission line iron stand foundation. The electric transmission line iron stand foundation is mainly composed of bottom plate ribs and stand column ribs, formworks are arranged outside the stand column ribs, the two adjacent stand columns ribs are fixedly connected together through a right-angle fixing plate, the upper and lower formworks are fixedly connected together through an iron wire, ejector rods are mounted between the outer walls of the formworks and the inner wall of a foundation pit, the ejector rods are arranged on a supporting plate in a sleeving manner through a rope, and the ejector rods are sequentially sleeved together and fixedly connected. The construction method comprises the specific operation steps of firstly, foundation pit and grounding pit excavation; secondly, rebar binding and formwork erecting; thirdly, formwork mounting; fourthly, foundation bolt mounting; fifthly, foundation pouring; sixthly,formwork stripping for backfill; and seventhly, site cleaning. Construction of the iron tower foundation is subjected to comprehensive control, various problems appearing after later-period construction are solved, the whole construction quality is ensured, the construction period is shortened, smooth finishing of the iron tower foundation construction is facilitated, and the foundation is laid for safe, stable and reliable running of a power line.

Description

[0001] 1. Technical Field: [0002] The invention relates to an iron tower foundation structure and a specific construction process, in particular to a power transmission line tower foundation and a construction method, and belongs to the technical field of electric power construction. [0003] 2. Background technology: [0004] With the development of society and economy, the demand for energy continues to increase. As one of the important energy sources in China, with the development of the power industry, the number of lines is increasing, and the scope of the power grid is expanding, gradually forming a dense and networked form. Power lines are power transportation. It is an important carrier that supports the erection of the line; especially in the transmission of power from the tower, the technical quality of the tower is closely related to the operation effect of the entire power line, and is also closely related to the stability and safety of the power line operation; and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42
CPCE02D27/42
Inventor 牛玉草毛旭升李会乾闫从晓胡圃源李庆功
Owner POWER CHINA HENAN ENG CO LTD
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