Tension test device and tension test method for tension rollers

A technology of testing device and tension roller, which is applied in the direction of length measuring device, metal processing equipment, metal rolling, etc., can solve the problems that cannot be repaired, the tension meter is expensive, etc., and achieve the effect of low price

Active Publication Date: 2014-04-16
HENAN WANDA ALUMINUM
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Problems solved by technology

[0004] The invention proposes a tension roller tension testing device and testing method, which solves the problem that the tensiometer in the prior art is expensive and cannot be repaired

Method used

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  • Tension test device and tension test method for tension rollers
  • Tension test device and tension test method for tension rollers

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 2 As shown, a device for testing the tension of the tension roller includes a bearing seat 2 for holding the tension roller 1, the bearing seat 2 is connected with the guide block 3, the guide block 3 is connected with the servo hydraulic cylinder 4, and the oil in the lower chamber of the servo hydraulic cylinder 4 Port 8 is provided with a pressure sensor 5 . The bearing seat 2 is connected with the guide block 3 by bolts.

[0022] T...

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Abstract

The invention provides a tension test device and a tension test method for tension rollers, solving problems of high price and failure in repairing of tensiometers in the prior art. The tension test device for the tension rollers comprises a bearing block for bearing one tension roller, the bearing block is connected with a guide block that is connected with a servo hydraulic cylinder, and a pressure sensor is arranged at a lower cavity oil port of the servo hydraulic cylinder. Since the servo hydraulic cylinder is connected with the bearing block that is used for bearing the tension roller and the pressure sensor is arranged at the lower cavity oil port of the servo hydraulic cylinder, pressure applied to the tension roller is transmitted to the pressure sensor through the servo hydraulic cylinder and is detected by the pressure sensor and then compared with the set pressure value through the servo hydraulic cylinder, extension of the hydraulic cylinder is adjusted to adjust position of belts, and further, speed matching between racks is achieved under control. In addition, the servo hydraulic cylinder and the pressure sensor are low in manufacturing cost and are reusable and can be maintained even when damaged.

Description

technical field [0001] The invention relates to a rolling mill testing device, in particular to a device for testing strip tension in a rolling mill. Background technique [0002] Tension is an extremely important parameter in the tandem cold rolling process. The tension borne by the strip between stands is one of the basic conditions in a balanced state in the tandem rolling process. When the rolling process of the tandem cold rolling mill is in a steady state, There is a relatively stable relationship between the parameters, but if the strip tension between the two stands changes slightly, it will lead to the destruction of the balance state of this stand, and may also destroy the balance state of the entire continuous rolling mill. Therefore, tension detection and tension control devices need to be installed between the stands of the strip cold rolling mill. [0003] At present, for the speed matching problem between the stands of the above-mentioned continuous rolling m...

Claims

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Application Information

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IPC IPC(8): B21B38/06
Inventor 曹艳锁雷旭辉李亨策
Owner HENAN WANDA ALUMINUM
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