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Vertical rod pad for leveling rod

A technology of leveling ruler and vertical ruler, which is applied in the direction of height/horizontal measurement, measuring devices, instruments, etc., can solve the problem of unstable leveling ruler, and achieve the effects of easy popularization and use, low cost and improved measurement accuracy

Inactive Publication Date: 2012-09-12
潘述铃
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned problem that the level gauge cannot be stabilized due to human factors, the present invention provides a leveling gauge vertical pad

Method used

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  • Vertical rod pad for leveling rod
  • Vertical rod pad for leveling rod
  • Vertical rod pad for leveling rod

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Embodiment Construction

[0015] Before carrying out the leveling ruler, this leveling ruler ruler pad is aimed at the observation point through the centering hole 9 at the center of the bottom of the cuboid caliper groove 8 under the observation ruler pad base 3, and the long side of the cuboid caliper groove 8 is aligned with the observation point simultaneously. The observation direction is approximately vertical. Then rotate each foot screw 7 of the vertical ruler pad support leg 5 to adjust the height of the vertical ruler pad base 3, and observe the level bubble in the circular level 6 on the edge of the vertical ruler pad base 3 at the same time, so that it is located at the center of the circular level 6 , so that the entire leveling ruler pad is in a horizontal position. After the adjustment is accurate, gently insert the lower end of the leveling rod into the rectangular hollow 2 in the middle of the cylindrical caliper groove 10 on the upper part of the leveling ruler pad, rotate the levelin...

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Abstract

The invention discloses a vertical rod pad for a leveling rod. The vertical rod pad for the leveling rod mainly comprises a cylindrical caliber rule slot, a vertical rod pad base, a cuboid caliber rule slot, a circular leveling instrument and three bracket legs in the same shape and size, wherein a foot spiral structure is arranged on the intermediate part of each bracket leg; the vertical rod pad base is a triangular metal piece; a metal rolling bearing is arranged in the cylindrical caliber rule slot on the upper part of the vertical rod pad base; the cuboid caliber rule slot on the lower part of the vertical rod pad base is positioned in the centre of the vertical rod pad base and is hollow; a small circular hole is reserved in the centre of the bottom of the cuboid caliber rule slot and serves as a centering hole of the vertical rod pad; the small circular hole is positioned in the centre of the overall vertical rod pad of the leveling rod; and a circular leveling instrument is welded on the intermediate part on one edge of the vertical rod pad base. When performing leveling measurement, a measurer can insert the leveling rod into the vertical rod pad for the leveling rod for stabilization and reinforcement; measurement errors caused by the shake of a hand holding the leveling rod is effectively reduced; the measurement precision is improved; and moreover, the fatigue of the measurer generated by stabilizing the leveling instrument is alleviated.

Description

technical field [0001] The invention relates to a leveling rod vertical pad for surveying and mapping, specifically, the vertical pad can stabilize the leveling rod during leveling work in surveying and mapping operations, and further improve the leveling accuracy. Background technique [0002] Existing leveling rods mainly contain the following types: 1. The 3-meter leveling rod used for fourth-class to first-class leveling with high measurement accuracy requirements; 2. The stretchable tower-type leveling rod for general measurement accuracy requirements; 3. 1. A hinged folding leveling rod for general measurement accuracy requirements. These three kinds of leveling rods are equipped with leveling bubbles. The surveyors need to hold the leveling sticks. When measuring, they must ensure that the leveling sticks do not shake back and forth. They must also manually control the leveling bubbles on the leveling sticks in the center to ensure that the leveling sticks are vertica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00
Inventor 潘述铃
Owner 潘述铃
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