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Electric top spiral spoke nut

A spiral and electric technology, applied in the direction of lifting devices, can solve the problems of expensive processing technology and cost, high motor working current, small structural current, etc., and achieve the effect of preventing accidental breakage, reducing working current and reducing friction

Inactive Publication Date: 2009-01-21
FUYANG TONGLI IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The nuts in the helical width of the current electric top have two structures: one is that the nuts are made of steel that is easy to chip, this design causes the working current of the motor to be high, and it is easy to cause the control box to be burned out by excessive current , this structure generally has a working current of a single motor of 20A; the other is that the nut uses a ball screw, and the current of this structure is relatively small. Generally, the working current of a single motor is only 10A, but the processing technology and cost are relatively expensive.

Method used

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  • Electric top spiral spoke nut
  • Electric top spiral spoke nut
  • Electric top spiral spoke nut

Examples

Experimental program
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Embodiment 1

[0011] Embodiment 1: A kind of electric top helical width nut of this embodiment, such as figure 1 , figure 2 As shown, it is formed by the tight fit of the outer threaded sleeve 3 and the inner nut 2, and a fixed pin 1 is installed between the inner nut 2 and the outer threaded sleeve 3, and the fixed pin 1 is used to further fix the connection between the inner nut 2 and the outer threaded sleeve 3 . The material of the outer threaded sleeve 3 is iron, and the material of the inner nut 2 is MC nylon. After using this material, the abrasion is reduced, and the working current of a single motor is guaranteed to be small.

[0012] As shown in FIG. 3 , the thread 5 at the joint between the outer threaded sleeve 3 and the screw rod is a half profile. Compared with the thread on the inner nut 2, the thread on the outer threaded sleeve 3 has removed half the thickness of the thread 4 above, so that there is a gap between the outer threaded sleeve 3 and the screw rod, preventing ...

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Abstract

The invention relates to an electric top spiral amplitude nut, which is formed by tightly combining an outer threaded sleeve made of iron materials and an inner nut made of nylon or copper materials. A fixing pin is arranged between the inner nut and the outer threaded sleeve; and a thread on the joint of the outer threaded sleeve and a screw is in a half-tooth type. As the outer threaded sleeve and the inner nut are made of two different materials, and the inner nut is made of the MC nylon or the copper materials in particular, the spiral amplitude nut decreases the friction force with the screw, lowers working current, ensures that the working current of a single motor drops to 12 A and is close to the working current when a ball feed screw nut is used, and saves material cost as well as electricity consumption.

Description

Technical field: [0001] The invention relates to a nut, in particular to an electric top helical width nut. Background technique: [0002] The nuts in the helical width of the current electric top have two structures: one is that the nuts are made of steel that is easy to chip, this design causes the working current of the motor to be high, and it is easy to cause the control box to be burned out by excessive current In this structure, the working current of a single motor is generally 20A; the other is that the nut uses a ball screw. The current of this structure is relatively small. Generally, the working current of a single motor is only 10A, but the processing technology and cost are relatively expensive. Invention content: [0003] In order to solve the above technical problems, the present invention provides an electric top helix nut with low cost which ensures that the working current of the motor is in a normal state. [0004] The above-mentioned technical problem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F3/08
Inventor 何国良胡学军闻荣
Owner FUYANG TONGLI IND CO LTD
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