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Longitudinal beam hydraulic press displacement detection device

A technology of displacement detection and hydraulic press, which is applied in the field of hydraulic press, can solve the problems of high failure rate, increased maintenance cost, shortened service life of linear displacement sensor, etc., and achieves the effect of high detection accuracy and simple and convenient communication

Inactive Publication Date: 2012-01-11
TIANJIN TIANDUAN PRESS CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

However, due to the limitations of the installation location and its own high-precision linear requirements, it cannot be used in the case of large eccentric loads, and the linear displacement sensor often suffers from strain, resulting in a shortened service life of the linear displacement sensor and a high failure rate. , affect the efficiency of the hydraulic press, increase maintenance costs and other issues

Method used

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  • Longitudinal beam hydraulic press displacement detection device
  • Longitudinal beam hydraulic press displacement detection device

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Embodiment Construction

[0015] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0016] see figure 1 , a displacement detection device for a longitudinal beam hydraulic press, comprising a tensile displacement sensor 3 and a field bus interface 4, the tensile displacement sensor 3 is connected and fixed on the lower surface of the upper beam 1 of the longitudinal beam hydraulic press through an upper connection pad 2, The stay cord 5 of the tensile displacement sensor 3 is connected and fixed on the upper surface of the longitudinal beam hydraulic press slide block 7 through the lower connection pad 6 . The field bus interface 4 communicates with the controller of the longitudinal beam hydraulic machine through the field bus.

[0017] The working process of this embodiment: the field bus interface 4 is connected to the c...

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Abstract

The invention relates to a longitudinal beam hydraulic press displacement detection device, which comprises a stretching-type displacement sensor and an on-site bus interface. One end of the stretching-type displacement sensor is fixedly connected on the lower surface of an upper beam of the hydraulic press; a stay rope outgoing end of the stretching-type displacement sensor is connected with an upper surface of a hydraulic press slide block; and the on-site bus interface forms a communication connection with a controller through the on-site bus. The device provided by the invention is suitable for position detection of the long center longitudinal beam hydraulic press slide block stroke, has advantages of high precision, strong partial load resistance and high defense grade, and is convenient to install.

Description

technical field [0001] The invention belongs to the technical field of hydraulic presses, in particular to a displacement detection device for longitudinal beam hydraulic presses. Background technique [0002] Currently, the table tops of stringer hydraulic presses used in the automotive industry are relatively long, reaching 12 meters. At the same time, due to the stress requirements of various longitudinal beams, there is a large partial load force during the pressing process, which leads to the out-of-tolerance parallelism of the longitudinal beam hydraulic press and needs to be leveled. During the leveling process, the traditional linear displacement sensor sends the detection data to the controller, and the controller judges the eccentric load force of the longitudinal beam hydraulic press. However, due to the limitations of the installation location and its own high-precision linear requirements, it cannot be used in the case of large eccentric loads, and the linear d...

Claims

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Application Information

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IPC IPC(8): B21C51/00
Inventor 胡健
Owner TIANJIN TIANDUAN PRESS CO LTD
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