Involute straight-tooth large-sized gear repair welding method and device thereof

A technology of large gears and involutes, applied in auxiliary devices, belts/chains/gears, welding equipment, etc., can solve problems such as unsubmitted repair welding methods and devices, achieve efficient and accurate repair welding, improve utilization, The effect of easy operation

Inactive Publication Date: 2014-12-17
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method and device provide an important reference for intelligent detection and intelligent repair welding of large gears, but the repair welding method and device have not been submitted

Method used

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  • Involute straight-tooth large-sized gear repair welding method and device thereof
  • Involute straight-tooth large-sized gear repair welding method and device thereof

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Embodiment Construction

[0014] Such as figure 1 with figure 2 As shown, a large involute spur gear repair welding method and its device, using Siemens' S7-200 software and V4.0STEP7-Micro / WIN software, and the CPU224 in the S7-200 series PLC as the control system, To control the repair welding device, the steps of repair welding are as follows:

[0015] a. Place and fix the worn large gear 28 horizontally, then place the repair welding device on the worn large gear 28, and position it through the shaft hole of the worn large gear 28;

[0016] b. After the repair welding device is positioned, the motor 2 on the X-axis in the device drives the X-axis screw 4; the motor 8 on the Y-axis drives the Y-axis screw 23; the motor 22 on the Z-axis drives the Z-axis screw 18, through The common linear motion of the X-axis screw 4, the Y-axis screw 23 and the Z-axis screw 18 positions the welding torch 27 to the worn part of the large gear;

[0017] c. After the welding torch 27 is positioned, the motor 22 on...

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PUM

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Abstract

The invention discloses an involute straight-tooth large-sized gear repair welding method and a device thereof, which can efficiently repair an abraded involute straight-tooth large-sized gear. The repair welding method comprises the following steps: placing a repair welding device on the abraded large-sized gear, and locating the repair welding device through an axial hole of the abraded large-sized gear; locating a welding gun on an abraded part of the large-sized gear; repair welding one repair welding layer after the welding gun makes reciprocating linear movement for multiple times, then completing the repair welding of a next repair welding layer by the welding gun in the same mode until the abraded large-sized gear is repaired. The device comprises an X-axis slideway, a motor on the X axis, an X-axis lead screw, a lower straightening roller, an upper straightening roller, a motor on the Y axis, a welding wire wheel, a wire feeding motor, a welding gun support, a Z-axis slideway, a motor on the Z axis, a Y-axis slideway, a welding wire and the welding gun. By adopting the involute straight-tooth large-sized gear repair welding method and the device, the utilization rate of the gear is increased, and the production cost is reduced; the repair welding device is reasonable in structure and capable of realizing the three-dimensional movement of the welding gun; a control system is convenient to operate and precise to control.

Description

technical field [0001] The invention relates to a method and a device for repairing a large gear in a mechanical system, in particular to a repair welding method and a device for a large gear with involute straight teeth. Background technique [0002] When the tooth surface of the gear is worn, the gear not only cannot operate normally, which affects its working accuracy, but also may cause vibration and noise of the machine. The wear of the gear surface will cause the scrapping of the entire gear parts, which greatly reduces the utilization rate and work efficiency of the equipment. The repair of worn gears is of great significance to improve production efficiency and reduce production costs. Tooth flank wear can allow gears to be reused with proper repair. Repairing gears saves more money than manufacturing them. [0003] Patent Publication (Announcement) No.: CN103292673A, which discloses a "method and device for detecting tooth surface wear of involute spur gears", wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00
CPCB23K37/0247B23K2101/008
Inventor 刘洪宇徐泽宁郑文广张晓君孙岩
Owner UNIV OF SCI & TECH LIAONING
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