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Crystal lifting device

A crystal, together technology, used in the field of crystal lifting devices, can solve the problems of large force on the traction device, easy wear and tear of the traction device, affecting the service life, etc., to achieve small force, ensure stability and neutrality, and improve stability. sexual effect

Inactive Publication Date: 2006-10-04
EGING PHOTOVOLTAIC TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the volume of the device is large due to the up-and-down structural relationship between the drum, the base and the traction device at the lower end of the base; at the same time, the drum and the traction shaft are connected by a chain gear, and there are often gaps in the linkage process between the chain and the gear, which affects the Accuracy when controlling the pulling speed; on the other hand, during the use of the device, the drum, base and motor are simultaneously pulled by the traction device to produce displacement, so the traction device is under a lot of force, which makes the traction device easy to wear. affected the service life

Method used

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Embodiment Construction

[0015] see figure 1 and figure 2 Realize that the crystal lifting device of the present invention has a lifting assembly, a left end cover 1, a transmission shaft 2, a traction sleeve 3, a traction wheel 4, a support body 5, a limit pulley 6, a steel wire rope 7, a winding wheel 8, a right end cover 10, Weight 15, dial 16, fork wheel 17, guide rod 18, magnetic block 20, plexiglass cover 21, first limit switch 22, second limit switch 23, pressing wheel 24, bearing 25, sliding block 26, spring 27 and spring seat 28.

[0016] The hoisting assembly includes a shaft coupling 12, a reducer 13 and a motor 14, the motor 14 is connected to the reducer 13, the transmission shaft 2 is connected coaxially with the winding wheel 8 and rotatably supported on a support body 5, and The speed reducer 13 is connected through the shaft device 12 .

[0017] The upper side of the support body 5 has a monitoring window 9 , and the bottom of the support body 5 is a bottom plate 19 .

[0018] On...

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Abstract

The related crystal lifting device comprises a coil wheel with winding tow steel cable, a coaxial gear shaft to rotated support on the supporting body, and a lifting assembly composed by dynamic mechanism to drive the shaft and wheel. Wherein, fixed connecting the tow wheel and coil wheel together on the shaft with at least one slide connecting by spline; connecting tow wheel and tow sleeve by screw with axial displacement determined by screw pitch. This invention can ensure cable and speed stability, and prolongs service time.

Description

technical field [0001] The invention relates to a crystal lifting device, in particular to a crystal lifting device for a single crystal furnace. Background technique [0002] When producing single crystal silicon, the crystal lifting device is used to lift the seed crystal in the single crystal furnace to realize the growth of single crystal silicon. In this process, the seed crystal must be rotated while being lifted, and its lifting speed and rotation speed must be strictly controlled in order to achieve the expected production purpose. At the same time, in practical application, the crystal lifting device must meet the requirements of stable lifting speed and good neutrality of the wire rope. The existing crystal lifting devices all use the winding wheel to rotate and wind the wire rope to move the seed crystal up and down. During the process of winding the wire rope with the winding wheel, the wire rope is easy to shift and stack, which affects the stability and speed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B15/00C30B15/30
Inventor 荀建华
Owner EGING PHOTOVOLTAIC TECHNOLOGY CO LTD