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Saw-teeth type hydraulic jack

A hydraulic support, sawtooth technology, applied in lifting devices, auxiliary devices, auxiliary welding equipment, etc., can solve problems such as unsightly appearance, base scars, dents, etc.

Inactive Publication Date: 2013-02-13
吴成国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the turnbuckle exerts a great deal of force on the base and causes damage to the base, such as dents
Such scars cannot be concealed by the coating, creating an aesthetic problem

Method used

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  • Saw-teeth type hydraulic jack
  • Saw-teeth type hydraulic jack
  • Saw-teeth type hydraulic jack

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A preferred embodiment of the present invention will now be described with reference to the accompanying drawings.

[0017] figure 1 and figure 2 is a perspective view of a sawtooth hydraulic support device 1000 according to an embodiment of the present invention. image 3 is a cross-sectional view of the saw-tooth hydraulic support device 1000, showing the internal structure of the saw-tooth hydraulic support device 1000, where the bracket 10 is not shown.

[0018] refer to Figure 1 to Figure 3 , the sawtooth hydraulic support device 1000 has a cylinder 100 , and a hydraulic chamber 300 is formed in the cylinder 100 .

[0019] The spool valve 500 is installed in the hydraulic chamber 300 inside the cylinder 100 . As shown, a passage 180 is formed on the side of the cylinder 100, and the hydraulic nozzle 80 is mounted on the passage 180. As shown in FIG. The channel 180 communicates with the outside.

[0020] Therefore, hydraulic pressure can be supplied to the ...

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PUM

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Abstract

A saw-teeth type hydraulic jack 1000 according to the present invention has a cylinder body 100 in which a hydraulic pressure room 300 is provided and a stand 10 which stands the cylinder body 100 to be inclined to a base. A spool valve 500 is mounted on the hydraulic pressure room 300. A movable holding member 40 is connected to a rod 540 of the spool valve 500 and an opposite holding member 60 is provided in the cylinder body 100 to the opposite side. A plurality of teeth 41 and 61 is formed on the movable holding member 40 and the opposite holding member 60 in their ends. The teeth 41 and 61 have a shape of saw-teeth and each of line connecting the teeth 41 and 61 forms circular arcs S1 and S2, respectively.

Description

technical field [0001] The present invention relates to a sawtooth type hydraulic jack, and more particularly, to a sawtooth type hydraulic jack capable of supporting a workpiece to prevent deformation of the workpiece. According to the present invention, it is possible to support a workpiece that tries to deform along a circular arc to compensate for the deformation. The present invention is primarily (but not limited to) useful for welding workpieces that are intended to be deformed by the heat generated during welding and properly maintaining the position of said welding workpieces. Background technique [0002] For example, when welding a steel plate standing upright on a base, the steel plate is subjected to thermal deformation, and the welding position cannot be properly maintained and deviates from an initially intended position. [0003] Turnbuckles are often used to prevent this phenomenon. That is, a turnbuckle is provided between the upstanding steel plate and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/04
CPCB66F3/36B23K37/047B23K37/04B23K37/00
Inventor 吴成国
Owner 吴成国