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A new type of jack with rotatable v-shaped dislocation support rod

A technology of jacks and support rods, applied in the direction of lifting devices, etc., can solve the problems of finding the axial center, the jack is easy to tilt, and cannot adapt to conical parts and cylindrical parts, etc., to achieve stable and reliable support

Active Publication Date: 2022-04-22
CHINA ACAD OF AEROSPACE AERODYNAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Can not adapt to any diameter of conical parts and cylindrical parts
[0005] 2. Parts that cannot adapt to any material and require protection of appearance
[0006] 3. It is troublesome to find the axial center when supporting parts
[0007] 4. Parts sometimes need to be knocked to align, and the jack is easy to tilt
[0008] 5. Cannot firmly support a cone of any diameter

Method used

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  • A new type of jack with rotatable v-shaped dislocation support rod
  • A new type of jack with rotatable v-shaped dislocation support rod
  • A new type of jack with rotatable v-shaped dislocation support rod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0044] 1. Put 3 steel balls with a diameter of 15 mm into the large base ( Figure 10 ) in the 3 hemispherical pits below, cover the steel ball cover plate ( Figure 11 ), fasten with 9 M3 screws. The processing tolerance of the hemispherical pit is 0.05 mm larger than that of the steel ball on one side. After the screw is tightened, the three steel balls can roll freely and smoothly.

[0045] 2. Screw the M20*1.5 screw of the adjusting screw into the large base, and screw it in from the side without the steel ball.

[0046] 3. Insert the 12 mm diameter cylinder under the support seat into the 12 mm diameter hole at the center of the adjustment screw. The processing tolerance of a cylinder with a diameter of 12 mm is 0.03 mm smaller than that of the single side of the hole.

[0047] 4. Finally, insert two cylinders with a diameter of 10mm supporting the rectangular rods into the two holes on the support base. The processing tolerance of the 10 mm diameter cylinder on the s...

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PUM

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Abstract

The invention relates to a new type of rotatable V-shaped misplaced support rod jack, which includes a support square rod, a support seat, an adjustment screw, a base, a steel ball cover plate, and a steel ball; Surface contact, so that the two supporting square rods are not supported on a working plane; the supporting square rods can rotate on the support seat; the lower end of the adjusting screw is screwed to the center of the upper surface of the base, and steel balls are installed on the lower surface of the base The upper end of the adjusting screw is connected to the supporting seat and the supporting seat can rotate relative to the adjusting screw, and the adjusting screw can move and rotate freely with the steel ball on the base, and when supporting the parts, the adjusting screw can be rotated to adjust the height of the jack to realize automatic positioning. Axial center of the part.

Description

technical field [0001] The invention relates to a jack. Background technique [0002] In machining work, especially in EDM and precision fitters, precision welders, etc., some cylinders and cones are often processed and assembled. Sometimes these parts are very long or heavy or small, and stable and reliable parts are required. Supporting, clamping and matching, the original small manual jack has many problems in actual use, and it is extremely inconvenient to use. [0003] It turned out that there were problems with the commonly used jacks: [0004] 1. It cannot adapt to conical parts and cylindrical parts of any diameter. [0005] 2. Parts that cannot be adapted to any material and require protection of the appearance. [0006] 3. It is troublesome to find the axial center when supporting parts. [0007] 4. Parts sometimes need to be knocked to align, and the jack is easy to tilt. [0008] 5. It cannot firmly support a cone of any diameter. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F3/10B66F3/08
CPCB66F3/10B66F3/08
Inventor 李胜利
Owner CHINA ACAD OF AEROSPACE AERODYNAMICS