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Gear-fixing device

A technology for fixing gears and gears, which is applied in the field of mechanical parts assembly, can solve the problems of inconvenient clamping, uncertain lock nut position, inconvenient torque operation, etc., and achieve simple manufacturing process, fast and convenient installation, and simple structure Effect

Active Publication Date: 2014-03-12
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this vise clamping method, the steering pump has no positioning, and the clamping is inconvenient. Each time there is an additional action of clamping and loosening, the clamping action is cumbersome. In addition, when the vise is clamped, the lock nut Uncertain position, resulting in inconvenient torque operation
Low efficiency, difficult to meet the mass production needs of the assembly line

Method used

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Embodiment Construction

[0019] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0020] The fixed gear device of the present invention is mainly designed for the tightening of the gear lock nut on parts with gears. This embodiment takes the steering pump in the engine as an example to describe in detail. Generally, the steering pump gear is installed in the steering pump in advance. On the pump gear shaft, the steering pump gear is usually splined with the gear shaft and then installed on the engine as a whole. After the steering pump gear is installed on the steering pump gear shaft, the gear lock nut has a torque requirement. When tightening the nut, it is necessary to fix the gear shaft to achieve the purpose of torque. The fixed gear device provided by the present invention indirectly realizes ...

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PUM

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Abstract

The invention discloses a gear-fixing device. A gear is fixedly installed on a gear shaft. A gear-locking nut is arranged at the front end of the gear shaft. The gear-fixing device comprises a fixing frame and a clamping block. A main panel is arranged on the top of the fixing frame, a gear shaft neck receding notch is formed in one side of the main panel, and two gear limiting blocks are arranged on the upper surface, around the gear shaft neck receding notch, of the main panel; the clamping block is rotably arranged on the upper surface, around the gear shaft neck receding notch, of the main panel and provided with a clamping piece having a supporting portion matched with the tooth surface of the gear, and when the clamping block is rotated to make the supporting portion abut against the tooth surface of the gear, three positioning points for positioning the gear are formed by the supporting portion and the two gear limiting blocks. Rotating of the gear can be quickly locked by the gear-fixing device so that the gear-locking nut can be screwed tightly. The gear-fixing device is easy to manufacture.

Description

technical field [0001] The invention relates to the field of assembly of mechanical parts, in particular to a fixed gear device. Background technique [0002] In the machinery industry, parts that assemble gears are often involved. Generally, the gears need to be installed on the parts and the gear lock nuts are tightened and assembled on the whole machine, such as the steering pump, which is an important part of the engine. One of the components, part of the steering pump gear is installed on the steering pump gear shaft in advance. The steering pump gear is generally fitted with the spline of the gear shaft and then installed on the engine as a whole. After the steering pump gear is installed on the steering pump gear shaft, the gear is locked. The nut has a torque requirement. When tightening the gear lock nut, the gear shaft needs to be fixed to achieve the purpose of torque. [0003] At present, there is no special device for fixing the gear shaft. Generally, the gear ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/02
CPCB25B11/02
Inventor 曾黎阮军武段泉朱岩潘志红
Owner GUANGXI YUCHAI MASCH CO LTD
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