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Sleeper releasing mechanism, releasing device and sleeper stretching and releasing device

A technology of sleepers and linear guide rails, which is applied in the fields of sleeper tensioning mechanism, sleeper tensioning and tensioning device, and tensioning device, which can solve the problems of sudden tensioning and low efficiency of tensioning devices, and achieve the purpose of prolonging service life and ensuring quality Effect

Pending Publication Date: 2018-09-11
SILVERY DRAGON PRESTRESSED MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention aims to propose a sleeper tensioning mechanism, a tensioning device and a sleeper tensioning device to solve the problem that the existing sleeper tensioning device has a relatively low efficiency of the tensioning device and is not suitable for a single prestressed root. Problems such as sudden tension when multiple groups of steel bars are stretched simultaneously

Method used

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  • Sleeper releasing mechanism, releasing device and sleeper stretching and releasing device
  • Sleeper releasing mechanism, releasing device and sleeper stretching and releasing device
  • Sleeper releasing mechanism, releasing device and sleeper stretching and releasing device

Examples

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Effect test

Embodiment 1

[0030] A sleeper tensioning mechanism, such as Figure 1-Figure 4 As shown, it includes two columns 1, vertical linear guide rails 2 are respectively installed on the inner sides of column 1, and a beam 4 is arranged between the two vertical linear guide rails 2, and the beam 4 moves vertically up and down along the vertical linear guide rails 2 between the two columns 1; the beam 4 There is a gearbox 7 moving in the horizontal direction on the top, the gearbox 7 is powered by a frequency conversion motor 8, and the tension rate can be adjusted through frequency conversion. The output shaft of the gearbox 7 is connected with a plurality of tension couplings 9 .

[0031] In an optional technical solution of this embodiment, the beam 4 is driven by the vertical hydraulic cylinder 3 to move vertically up and down along the vertical linear guide rail 2 .

[0032] In the optional technical solution of this embodiment, there are two vertical hydraulic cylinders 3 , which are respect...

Embodiment 2

[0042] A sleeper tensioning device of the assembly line method, comprising two sets of the above-mentioned sleeper tensioning mechanisms, which are respectively arranged on both sides of the running of the sleeper steel mold. Therefore, the sleeper tensioning device of the assembly line method includes the benefits of the above-mentioned sleeper tensioning mechanism, which will not be repeated here.

Embodiment 3

[0044] A sleeper tensioning device, comprising the above-mentioned sleeper tensioning device and a sleeper prestressed tensioning device. The existing sleeper prestress tensioning device can be used, and the specific structure of the device will not be specifically described here. Therefore, the sleeper tensioning and releasing device includes the advantages of the above-mentioned sleeper tensioning mechanism, which will not be repeated here.

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Abstract

The invention belongs to the field of sleeper releasing and provides a sleeper releasing mechanism, a releasing device and a sleeper stretching and releasing device. The sleeper releasing mechanism comprises two stand columns, and a vertical linear guide rail is mounted on the inner side of each stand column. A beam is arranged between the two vertical linear guide rails and the beam moves vertically between the two stand columns along the vertical linear guide rails. The beam is provided with a speed changing box which moves in the horizontal direction. The speed changing box is powered by aconverter motor, and an output shaft of the speed changing box is connected with a plurality of releasing couplings. The sleeper releasing device with flow-water unit method comprises two sets of thesleeper releasing device. According to the sleeper releasing mechanism, the releasing device and the sleeper stretching and releasing device, the problems of the low releasing efficiency of the existing sleeper releasing device and sudden synchronizing releasing of multiple groups of single prestressed steel bar are solved.

Description

technical field [0001] The invention belongs to the field of sleeper tensioning, in particular to a sleeper tensioning mechanism, a tensioning device and a sleeper stretching and tensioning device. Background technique [0002] In the production of sleepers by the assembly line method, the prestress of the steel strand must be relaxed before the sleeper is demoulded. The efficiency of the existing tensioning device is relatively low, and when multiple groups of single prestressed steel bars are simultaneously tensioned, the tension is sudden, and the sleeper The end is prone to splitting, the quality of the sleeper is greatly reduced, and the service life of the sleeper is seriously affected. Contents of the invention [0003] In view of this, the present invention aims to propose a sleeper tensioning mechanism, a tensioning device and a sleeper tensioning device to solve the problem that the existing sleeper tensioning device has a relatively low efficiency of the tension...

Claims

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Application Information

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IPC IPC(8): B28B23/04
CPCB28B23/043B28B23/046
Inventor 谢志钦谢志峰田桂华谢志礼谢志安郝连虎孙佳户王伟星艾紫光
Owner SILVERY DRAGON PRESTRESSED MATERIALS CO LTD
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