A ground anchor horse crossing construction equipment

A technology for construction equipment and ground anchors, applied in drilling equipment, drilling equipment and methods, directional drilling, etc., can solve the problems of affecting the pullout resistance of ground anchors, destroying undisturbed soil layers, and low excavation efficiency, so as to facilitate construction , simple operation, and the effect of improving construction efficiency

Active Publication Date: 2022-05-06
QINGHAI POWER TRANSMISSION & TRANSFORMATION ENG +2
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AI Technical Summary

Problems solved by technology

Calculate the depth of ground anchor embedding according to the pullout force and soil quality required for construction. When conditions permit, ground anchor pits can be excavated mechanically. The excavation efficiency is low, and it is easy to cause the collapse of the horse crossing, destroy the undisturbed soil layer, and affect the pullout resistance of the ground anchor

Method used

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  • A ground anchor horse crossing construction equipment
  • A ground anchor horse crossing construction equipment
  • A ground anchor horse crossing construction equipment

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Embodiment Construction

[0057] For the convenience of description, the coordinate system is defined as figure 1 , and the left-right direction is horizontal, the front-back direction is vertical, and the up-down direction is vertical.

[0058] Such as figure 1 As shown, a ground anchor horse crossing construction equipment includes a main frame body 1, and the upper side of the main frame body 1 is a slope inclined forward and downward. Here, the side with the shorter height of the slope is the front side .

[0059] As a specific implementation, such as figure 1 and image 3As shown, the main frame body 1 includes a square frame arranged obliquely, and the square frame is formed by connecting four profiles (square steel pipes) sequentially by welding. The four corners of the lower side of the square frame are respectively provided with outriggers extending downward in the vertical direction, and connecting beams are arranged between two adjacent outriggers. Preferably, two connecting beams ar...

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Abstract

The invention discloses construction equipment for ground anchor horse crossings, and relates to the technical field of transmission line construction equipment. The device includes a main frame body with an inclined upper side, on which a first sliding seat and a second sliding seat are slid sequentially from top to bottom. A driving sleeve is arranged between the first sliding seat and the second sliding seat, and the front and rear ends of the driving sleeve rotate with the first sliding seat and the second sliding seat through bearing assemblies respectively. connect. A hollow drill rod is arranged inside the drive sleeve, and the hollow drill rod is threadedly connected with the drive sleeve, and a drill bit is fixedly arranged at the front end of the hollow drill rod. The first sliding seat or the second sliding seat is provided with a driving motor for driving the driving sleeve to rotate. The driving sleeve is provided with a jacking pin, and when the jacking pin is tightened on the hollow drill rod, the hollow drill rod is relatively fixed to the driving sleeve. This equipment can minimize the damage of the undisturbed soil, ensure the maximum contact surface between the anchor body and the undisturbed soil, and improve the pullout resistance.

Description

technical field [0001] The invention relates to the technical field of power transmission line construction equipment, in particular to ground anchor horse crossing construction equipment. Background technique [0002] The stress of the ground anchor depends on the strength of the anchor itself and the allowable uplift force embedded in the soil. It is necessary to calculate the strength and pull-out force of the ground anchor itself during construction. Calculate the depth of ground anchor embedding according to the pullout force and soil quality required for construction. When conditions permit, ground anchor pits can be excavated mechanically. The excavation efficiency is low, and it is easy to cause the collapse of the horse crossing, destroy the undisturbed soil layer, and affect the pullout resistance of the ground anchor. Such as Figure 22 As shown, especially when using 50kN ground anchors (length*width: 900mm*300mm) in soft soil and ordinary soil, the buried depth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B7/04E21B15/04E21B19/08E21B4/04
CPCE21B7/04E21B15/04E21B19/08E21B4/04
Inventor 王永俊靳义奎张君甘生霖李涓朱雪莲曾生伟王春林韩学文吴宏岩王庭保国存武恒霍俊俊陈洪权
Owner QINGHAI POWER TRANSMISSION & TRANSFORMATION ENG
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