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Steel bar gauge length instrument

A technology of distance meter and steel bar, which is applied in the field of steel bar distance meter, can solve the problems of small workload and high accuracy, and achieve the effect of small workload, high accuracy and high work efficiency

Inactive Publication Date: 2013-02-06
王明贵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems existing in the current manual marking distance method, the purpose of this invention is to provide a steel bar gauge distance meter, which uses mechanical notches to complete the gauge distance work, with high accuracy and small workload

Method used

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  • Steel bar gauge length instrument
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Examples

Experimental program
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Embodiment Construction

[0013] A steel bar gauge of the present invention, see figure 1 , the gauge includes a bracket 1, a shaft 6 is arranged on the bracket 1, and the shaft 6 is connected with the hand wheel 5 through the worm gear reducer 4; Hole 61 is provided with screw rod 7 in screw rod mounting hole 61, is provided with gauge blade 3 at screw rod 7 ends; Be provided with steel bar fixing hole 21 on it. The steel bar fixing plate 2 has three layers, one layer is arranged on the upper end of the screw rod installation hole 61, and the other two layers are arranged on the lower end of the screw rod installation hole 61. The reinforcing bar fixing plate 2 is a circular plate, and a group of reinforcing bar fixing holes 21 are evenly distributed on the circumference of the circular reinforcing bar fixing plate 2 . The reinforcing bar fixing hole 21 is compatible with the reinforcing bars of various specifications, and 12 groups of steel samples of 12 kinds of specifications of φ6-φ32 can be pla...

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Abstract

The invention discloses a steel bar gauge length instrument comprising a support, wherein the support is provided with a rotation shaft connected with a hand wheel through a worm reduction gearbox; the rotation shaft is provided with a group of screw rod mounting holes matched with gauge length positions, screw rods are arranged in the screw rod mounting holes, and gauge length blades are arranged at the end parts of the screw rods; and two ends of the screw rod mounting holes on the rotation shaft are provided with steel bar fixing plates, and the steel bar fixing plates are provided with steel bar fixing holes. In the invention, mechanical scoring is adopted for completing the gauge length work, the accuracy is high, and the workload is small.

Description

technical field [0001] The invention relates to a device for testing the mechanical properties of steel bars, in particular to a steel bar gauge. Background technique [0002] Elongation after fracture is an important index in the mechanical properties of steel. Elongation after fracture refers to the ratio of the difference between the gauge length after fracture and the original gauge length of the steel to the original gauge length, expressed in %. [0003] According to the requirements, when conducting steel mechanical performance tests, the original gauge length of hot-rolled smooth round steel bars and hot-rolled ribbed steel bars is 5 times the diameter of the steel bars. Original gauge length. The disadvantages of this method are: manually marking the marking distance, it is easy to produce errors, which affects the accuracy of the test results; and the workload is heavy, cumbersome, and the efficiency is low. Contents of the invention [0004] In order to overco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
Inventor 王明贵
Owner 王明贵