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Hydraulic kettle clamp and upper flange tooth structure and manufacturing method

A manufacturing method and clamp tooth root technology, applied in the direction of gear teeth, toothed components, belts/chains/gears, etc., can solve the problems of complex manufacturing process, unreasonable upper flange design structure, and low production efficiency , to achieve the effect of improving the level of manufacturing technology, novel technology, and optimizing the level of manufacturing technology

Active Publication Date: 2021-04-02
HARBIN BOILER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the design and structure of the hydraulic kettle clamp and the upper flange are unreasonable, the manufacturing process is complicated, the production efficiency is low, the manufacturing cost and cost are high, and the quality is poor

Method used

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  • Hydraulic kettle clamp and upper flange tooth structure and manufacturing method
  • Hydraulic kettle clamp and upper flange tooth structure and manufacturing method
  • Hydraulic kettle clamp and upper flange tooth structure and manufacturing method

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specific Embodiment

[0021] Specific embodiment: a hydraulic kettle clamp, wherein the hydraulic kettle clamp height H = 720mm, lug thickness T = 150mm, clamp nominal inner diameter Dn = 2400mm; a total of 18 internal teeth, each tooth occupies a central angle of 10.5 °, the central angle occupied by each tooth of the corresponding upper flange is 9.2°, the tip and root fillet Ra=3mm, the tooth thickness H1=170mm, the tooth height H2=60mm; the gap between the clamp and the upper flange is 1 ~1.5mm;

[0022] The main technological process of adopting the existing processing procedure is as follows: the tooth shape processing procedure in the final stage of clamp assembly processing, the upper end surface is clamped and fixed vertically and aligned → adopt Cylindrical milling cutter CNC boring and milling machine Boring and milling machine Add tooth root to R = 32mm → clamp and fix the upper end horizontally, mark the line, and use d = 8mm drill bit to drill a total of 36 holes at the R = 32mm toot...

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Abstract

The invention discloses a hydraulic cauldron hoop and upper flange tooth profile structure and manufacturing method, and belongs to the fields of quick-opening engaged tooth type pressure bearing equipment designing and manufacturing. According to the hydraulic cauldron hoop and upper flange tooth profile structure and manufacturing method, the upper end surface of a hoop and the upper end surfaceof an upper flange are vertically clamped, fixed and aligned in the final stage tooth profile machining procedure of a loop and upper flange assembly; by adopting a large-size cylindrical milling cutter and a CNC boring and milling machine, tooth profiles are machined, and tooth roots are subjected to rough machining; the tooth roots are subjected to finish machining through a small-size cylindrical milling cutter; and tooth profile template checking is conducted. Through the hydraulic cauldron hoop and upper flange tooth profile structure and manufacturing method, the problems that a previous hydraulic cauldron hoop and upper flange tooth profile design structure is poor in manufacturability, the stress is high, procedures are complex, the product quality is poor, the production efficiency is low, and the manufacturing cost is high are effectively solved.

Description

technical field [0001] The invention relates to a hydraulic kettle clamp and an upper flange tooth structure and a manufacturing method, and belongs to the design and manufacturing field of quick-opening rod-shaped pressure-bearing equipment. Background technique [0002] For a long time, hydraulic kettles with a quick-opening rod-shaped sealing and locking structure, after the upper flange assembly is loaded into the clamp from top to bottom, pass the inclined surface of the lower inclined block fastened on the outer teeth of the upper flange and the inner teeth of the clamp. The oblique surface of the lower fastened upper inclined block is circumferentially tightened to seal and lock the sealing surfaces of the upper flange assembly and the lower flange assembly. Wherein the hoop is formed by two hoop half-rings and lug assemblies tightened by fasteners and pin shafts. The inner circle of the clamp and the outer circle of the upper flange have 16 or 18 teeth that are even...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23F5/20
CPCB23F5/20B23P15/00
Inventor 袁承春
Owner HARBIN BOILER CO LTD
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