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Elastic detection device of large hook spring

A spring elasticity and detection device technology, which is applied in the direction of measuring device, elasticity test, machine/structural component test, etc., can solve the problem of the lack of feasible and effective detection means for the spring force of the hook spring, and achieve a small footprint , easy to control, simple structure effect

Inactive Publication Date: 2018-06-22
BAOJI PETROLEUM MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a large hook spring elasticity detection device, which solves the problem that the large hook spring elasticity in the prior art lacks feasible and effective detection means

Method used

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  • Elastic detection device of large hook spring
  • Elastic detection device of large hook spring
  • Elastic detection device of large hook spring

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] A kind of big hook spring elastic detection device provided by the invention, its structure is as follows Figure 1-3 As shown, it includes a fixing device, a pressure applying device, a control box 12 and a hydraulic station 14. The fixing device includes a base plate 1. The base plate 1 is fixed on the ground through bolts 16. The two ends of the base plate 1 are fixed with the first bracket 3 and the second bracket. Two brackets 4, the inner surfaces of the first bracket 3 and the second bracket 4 are provided with guide grooves 18, the surface is designed with a scale 17, a pressure sensor 2 is built in the upper surface of the bottom plate 1, and a guide rod 5 is affixed directly above the bottom plate 1 , the guide rod 5 is located directly above the pressure sensor 2, the guide rod 5 is covered with a spring 7, the upper end of ...

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Abstract

The invention discloses an elastic detection device of large hook spring which comprises a bottom plate, wherein the bottom plate is fixed on the ground through bolts, the bracket is fixedly connectedon two sides of the bottom plate, the cross beam is fixedly connected above the bracket, the guide rod is fixed in the middle of the bottom plate for guiding the spring, the pressure sensor is arranged in the bottom plate, the hydraulic cylinder is connected with an ear seat on the cross beam and the pressing plate through a pin, the pressure plate slides up and down in the guide groove at the inner side of the bracket under the pushing and pulling effect of the hydraulic cylinder to realize the compression and the release of the spring, the device has the advantages of simple structure, safety and reliability, small occupied area, wide detection range, high degree of automation, smooth, accurate and easy control of hydraulic control application load, It can realize the testing of insideand outside spring elastic force of the large hook serials. The deformation of spring can be directly observed by applying a given load to the spring. Not only is it the verification of design performance, but also it is a kind of inspection for the purchased springs.

Description

technical field [0001] The invention belongs to the technical field of oil and gas equipment manufacturing, and relates to a large hook spring elasticity detection device. Background technique [0002] The hook is an important lifting device for oil drilling rigs and workover rigs. It is mainly used for hanging and tripping drill strings, replacing drill bits, running casings, and eliminating accidents when the drill is slightly stuck or blocked during drilling. The barrel of the hook is equipped with inner and outer springs. When pulling out the drill, relying on the resilience of the springs, the vertical root can be loosened and bounced upwards, that is, the function of jumping buckle can be realized. [0003] As the main parts of the hook, the inner and outer springs are mainly purchased from professional manufacturers at present. However, when the purchased springs are inspected in the factory, the only thing that cannot be tested is their elastic performance, which mea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M5/00
CPCG01M5/00
Inventor 惠川川叶强张虎山王耀华王文君
Owner BAOJI PETROLEUM MASCH CO LTD
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