Inner width detection ruler

A technology of detecting ruler and sliding ruler, applied in the direction of measuring device, mechanical measuring device, instrument, etc., can solve the problems of not easy operation, increase the intensity of work at height, etc., and achieve the effect of simple structure, reduced labor intensity, and convenient use.

Inactive Publication Date: 2009-09-23
SINOHYDRO BUREAU 5
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The operation is not easy enough, and it increases the intensity of high-altitude operations

Method used

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  • Inner width detection ruler

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Embodiment Construction

[0009] The present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.

[0010] refer to figure 1 , a kind of inner width detecting ruler, is made up of compression spring 8, fixed length 1, slide rule 3, fixed length connecting rod 7, sliding rule connecting long rod 2 and measuring head 4, fixed length connecting rod 7, fixed length Ruler 1, sliding ruler connecting rod 2, and sliding ruler 4 are all threaded, and fixed ruler 1 is provided with a hole corresponding to the size of sliding ruler 3, and a compression spring 8 is housed in the hole, and sliding ruler 3 is placed in the hole and It can slide in the hole. At the same time, the fixed length 1 is provided with a stop screw 5 for fixing the position of the sliding ruler 3. The sliding ruler 3 is provided with a limit screw 6 to prevent the sliding ruler from falling off or rotating. The distance between the sliding ruler 3 and the fixed length 1 Th...

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Abstract

The invention discloses an inner width detection ruler which is formed by the combination of a compression spring, a fixed scale, a sliding scale, an extension bar for the fixed scale, an extension bar for the sliding scale and a detection head, wherein the extension bar for the fixed scale, the fixed scale, the extension bar for the sliding scale and the sliding scale are connected by screw threads, and an opening which is in line with the size of the sliding scale is arranged on the fixed scale; and the sliding scale is arranged in the opening and is in slide connection with the fixed scale, a limit screw used for fixing the position of the sliding scale is arranged on the fixed scale, a stop screw used for preventing the sliding scale from falling or rotating is arranged on the sliding scale, and the compression spring is positioned between the sliding scale and the fixed scale so as to ensure that both ends of the detection ruler can respectively closely contact two detection points. The inner width detection ruler has the advantages of simple structure and convenient use, and can reduce the labor intensity of measurement work.

Description

technical field [0001] The invention relates to a measuring tool for engineering, in particular to an inner width detection ruler. Background technique [0002] For the installation of the gate slot of the flat gate of water conservancy and hydropower projects, it is necessary to measure the verticality of the main rail, the counter rail, and the water stop plate, the width of the door slot, and the deviation of the main rail, the counter rail, and the water stop plate relative to the installation reference line. Vertical elevator car track installation also requires similar measurements. Usually, to use the existing measuring tools to complete the above inspection, at least the rails on both sides need to be inspected separately, and then the inspection results can be obtained through integration. The operation is not easy enough, and the intensity of high-altitude operation is increased. Contents of the invention [0003] In view of the above problems, the present inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/02G01B5/245
Inventor 黄富军孙林智谢仕平岳天安杨茁
Owner SINOHYDRO BUREAU 5
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