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Multistage push fastener with detection interface

A technology for testing interfaces and jacking, applied in the direction of threaded fasteners, locking fasteners, connecting components, etc., can solve the problem of affecting the performance and quality of pre-tightening technology of large mechanical parts, slow pre-tightening assembly speed, and inaccurate bolt accuracy Preloading and other issues, to achieve the effect of improving the performance and quality of preloading comprehensive technology, fast preloading assembly, and accurate and consistent data

Active Publication Date: 2010-08-11
南通高盛机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Bolts without detection interface apply the above two methods of step-by-step indirect detection and monitoring of multiple preload parameters. The data accuracy and consistency of bolt preload parameters are poor, and precise preload cannot be performed on bolts, which affects the preload of high-demand large mechanical parts. Technical performance and quality; and the defects of slow assembly speed and low efficiency of preloading

Method used

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  • Multistage push fastener with detection interface
  • Multistage push fastener with detection interface
  • Multistage push fastener with detection interface

Examples

Experimental program
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Effect test

Embodiment 1

[0019] see below figure 1 The first embodiment is shown to further illustrate the technical solution of the present invention. A multi-stage push fastener with a detection interface is composed of a cylinder head bolt (1), a super washer (2), a multi-stage push bolt (3) and a hexagon head bolt (4). A cylinder head bolt (1) is made into a cylindrical shape (11) in the middle; a thread (12) is made at one end; a detection interface (13) is made on the end face of the thread (12) at one end for installation and connection of an ultrasonic bolt detector (7). ) magnetic detection probe (71). In the middle cylindrical part (11), install the super washer (2) on the inside, and make its first reference surface (21) close to the second reference surface (17) of the cylindrical head bolt (1) of the cylindrical head (14); To install the first joint (5), and make the first reference plane (51) of the first joint (5) and the second reference plane (22) of the super gasket (2) closely fit...

Embodiment 2

[0021] see below Figure 4 The second embodiment is shown to further illustrate the technical solution of the present invention. A sort of

[0022]A multi-stage push-up fastener with a detection interface is composed of a cylinder head bolt (1), a super washer (2) and a multi-stage push-up bolt (3). A cylinder head bolt (1) is made into a cylindrical shape (11) in the middle; a thread (12) is made at one end; a detection interface (13) is made on the end face of the thread (12) at one end for installation and connection of an ultrasonic bolt detector (7). ) magnetic detection probe (71). In the middle cylindrical part (11), install the super washer (2) on the inside, and make its first reference surface (21) close to the second reference surface (17) of the cylindrical head bolt (1) of the cylindrical head (14); To install the first joint (5), and make the second reference surface (52) of the first joint (5) and the second reference surface (22) of the super gasket (2) tigh...

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Abstract

The invention relates to a multistage push fastener with a detection interface, which can be directly provided and connected with an ultrasonic bolt detector, and can directly and synchronously detect and monitor a plurality of pre-tensioned parameters of a bolt. The fastener consists of a cylindrical head bolt, a super gasket, multistage push bolts and a hexagon head bolt, or consists of a cylindrical head bolt, a super gasket and multistage push bolts, wherein the middle of the cylindrical head bolt is cylindrical, the inner side of the cylindrical head bolt is provided with the super gasket, and the outer side of the cylindrical head bolt is provided with a first binder; one end of the cylindrical head bolt is provided with threads and a second binder with a screw hole; the detection interface is arranged on an end face of the threads at one end and provided with a magnetic detection probe of the ultrasonic bolt detector; the center of a first reference surface of a cylindrical head is provided with an internal thread screw hole or an internal hexagonal hole, and a central screw hole is provided with the hexagon head bolt; the periphery of the central screw hole or the internal hexagonal hole is provided with a plurality of internal thread multistage push screw holes which are distributed at an equal angle and concentric with the periphery and penetrate the periphery along the axial direction; and multistage push bolts are arranged on the plurality of internal thread multistage push screw holes of which the cylindrical end faces are contacted with a first reference surface of the super gasket.

Description

1. The technical field [0001] The invention relates to a multi-stage push fastener with a detection interface for pre-tightening large mechanical parts, which can be directly installed and connected with an ultrasonic bolt detector, and multiple pre-tightening parameters of the bolt can be directly and synchronously detected and monitored. 2. Background technology [0002] At present, bolts for pre-tightening large mechanical parts are all bolts without detection interface, that is, they do not have a detection interface for installing a bolt detector. Therefore, the direct synchronous detection and monitoring of its multiple preloading parameters cannot be performed directly and synchronously by the bolt detector directly connected to it, but can only be detected and monitored by the relevant intermediate preloading parameters of the relevant preloading tools. Realization, that is, only step-by-step indirect detection and monitoring can be performed. At present, there are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/24F16B39/02F16B31/02
Inventor 耿晓曦陈进海
Owner 南通高盛机械制造有限公司