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Screw type precisely-lifting adjustment supporting device

A support device and screw-type technology, applied in the direction of the lifting device, etc., to achieve the effect of ensuring position accuracy, reliable positioning, and reducing tilt errors

Active Publication Date: 2013-08-14
NO 510 INST THE FIFTH RES INST OFCHINA AEROSPAE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the screw-type mobile adjustment device is relatively common, but due to structural limitations, it has not been used on the lifting support adjustment device

Method used

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  • Screw type precisely-lifting adjustment supporting device
  • Screw type precisely-lifting adjustment supporting device
  • Screw type precisely-lifting adjustment supporting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] Such as Figure 1~3 As shown, a screw-type precision lifting adjustment support device is mainly composed of a main base 1, a cage 2, a lifting platform 3, an adjustment disc 4, a locking screw 5 and a holding bearing 6.

[0022] The base and the base of the main base 1 of the device are hollow cylindrical, the base is located above the base and the cross-sectional area is smaller than the cross-sectional area of ​​the base to keep the device placed stably, and there are two heights above the base. Consistent bosses, a horizontal crossbar is arranged above the bosses, and the base, body, boss and crossbar are an integrated structure; the bottom and body of the cage 2 are hollow cylindrical integrated structures, The frame body is located above the bottom of the frame and has a cross-sectional area smaller than the bottom of the frame. The cross-sectional area of ​​the hollow part of the main base 1 and the cage 2 is the same; For reference during rough adjustment, ther...

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Abstract

The invention relates to a screw type precisely-lifting adjustment supporting device. In the device, a main base, a holding frame and an adjustment disc are integrated to form a hollow cylinder; the body of the main base is arranged on a pedestal, two bosses are arranged on the body of the main base and a horizontal transverse rod is arranged above the bosses; the body of the holding frame is arranged on a frame foundation; rough adjustment scales are marked on the body of a lifting platform and a screw is arranged below the lifting platform; the top of the adjustment disc is arranged above the body of the adjustment disc and the cross section of the top of the adjustment disc is larger than the cross section of the body of the adjustment disc, fine adjustment scales are marked at the topof the adjustment disc, auxiliary adjustment holes are formed on the circumference of the adjustment disc and internal thread is formed inside the body of the adjustment disc; the holding frame is arranged above the coaxial line of the main base, the transverse rod is embedded into the frame foundation to form a stop locator, and lock bolts are arranged on the body of the holding frame; the body of the lifting platform is in tight fit inside the holding frame; the screw is inserted into the main base through the holding frame and the adjustment disc; the top of the adjustment disc is fixedly connected with the bosses, and each side of the body of the adjustment disc is supported by a holding bearing to be matched and embedded into the body of the main base; and the screw extends into the body of the adjustment disc and is in threaded connection with the body of the adjustment disc. The device of the invention can precisely lift to adjust the supporting platform and support a relatively large load.

Description

technical field [0001] The invention relates to a screw type precision lifting adjustment support device. Background technique [0002] Existing lifting devices can be roughly divided into scissor type, rack and pinion type and hydropneumatic type according to the structure adopted. Among them, the scissor lifting device has high requirements on the synchronization of the fork frame, and its structure is not stable and can only be used in static occasions; the rack and pinion lifting device has high requirements on the rack, and the general support force is small, and it needs Auxiliary structure; hydropneumatic lifting device is used on the large tonnage support platform. Therefore, none of the lifting devices with the above structures is suitable for applications in supports requiring large loads and high precision. At present, the screw-type mobile adjustment device is relatively common, but due to structural limitations, it has not been used on the lifting support adju...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F3/08
Inventor 桑瑞鹏刘文举周晖郑军
Owner NO 510 INST THE FIFTH RES INST OFCHINA AEROSPAE SCI & TECH
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