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Bolt tightening machine for connecting slewing bearing and hub

A technology of slewing bearings and tightening machines, applied in metal processing equipment, metal processing, manufacturing tools, etc., can solve the problems of low quality of bolt tightening, high error, waste of labor and material resources, etc., to improve work efficiency and high intelligence level , the effect of improving the quality

Active Publication Date: 2010-11-24
SANY ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] First, the manual tightening method is inefficient, and due to excessive manual intervention, it is easy to cause mistakes and cause quality problems
In order to control the quality of bolt tightening, it is necessary to inspect each bolt one by one after all the bolts are tightened, which also wastes manpower and material resources
[0006] Second, the hydraulic wrench cannot feed back the tightening torque value in real time, so the torque value of bolt tightening is not easy to control, resulting in low quality and high error of bolt tightening

Method used

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  • Bolt tightening machine for connecting slewing bearing and hub
  • Bolt tightening machine for connecting slewing bearing and hub
  • Bolt tightening machine for connecting slewing bearing and hub

Examples

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Embodiment Construction

[0034] The core of the present invention is to provide a bolt tightening machine for connecting a slewing support to a wheel hub. The bolt tightening machine can improve the efficiency of bolt tightening on the one hand and the quality of bolt tightening on the other hand.

[0035] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] Please refer to figure 1 with figure 2 , figure 1 It is a structural schematic diagram of a bolt tightening machine in an embodiment of the present invention; figure 2 for figure 1 Top view of medium bolt tightening machine.

[0037] In one embodiment, as figure 1As shown, the bolt tightening machine provided by the present invention includes a tightening shaft device 1; the bolt tightening machine also includes a central rotary shaft 21...

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Abstract

The invention discloses a bolt tightening machine for connecting a slewing bearing and a hub. The bolt tightening machine comprises a tightening shaft device (1) and a central rotating shaft (21), wherein the central rotating shaft (21) is connected with a positioning bracket rotating with the central rotating shaft (21); the positioning bracket is provided with a circumferential rotation drive device (3); the circumferential rotation drive device (3) is connected with a tightening shaft bracket (4) rotating with the circumferential rotation drive device (3); and the tightening shaft device (1) is arranged on the tightening shaft bracket (4). The bolt tightening machine also comprises a control device connected with the circumferential rotation drive device (3) and the tightening shaft device (1), so that the control device controls the tightening shaft device (1) to move to the position of each bolt needing tightening and completes the tightening action of the bolt. The bolt tightening machine can improve the efficiency of tightening the bolt on one hand, and can improve the quality of tightening the bolt on the other hand.

Description

technical field [0001] The invention relates to the technical field of bolt tightening, in particular to a bolt tightening machine for connecting a slewing support and a wheel hub. Background technique [0002] Bolt connection is a widely used detachable fixed connection, which has the advantages of simple structure, reliable connection, convenient assembly and disassembly, etc. In various large and heavy electromechanical equipment, bolt connection has been widely used. [0003] In the horizontal axis wind turbine, the essential part is the pitch slewing bearing used to connect the blades and the hub, and the connections between the pitch slewing bearing and the blades and the hub are bolted, and the bolts used for the connection There are a large number of screws, so it needs to be tightened in multiple times according to a specific tightening sequence. In addition, due to the large load and complex load of the pitch slewing bearing, the quality of the bolt connection is ...

Claims

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Application Information

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IPC IPC(8): B23P19/06
Inventor 彭建军魏振山皮道明王凤云
Owner SANY ELECTRIC CO LTD
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