MACHINING JIG AND MACHINING METHOD OF PLUG VALVE SEAT

WIPO Patent Application WO/2023/168988

A1

Disclosed is a machining jig for a plug valve seat, the machining jig comprising a base (201), a first supporting plate (202), a second supporting plate (203), a first fixing assembly and a second fixing assembly, wherein the first supporting plate (202) is arranged on the base (201) and comprises a first mounting hole (2021), and the first mounting hole (2021) is configured to fix a boss portion of a first valve seat to be machined; the second supporting plate (203) is provided on the base (201) relative to the first supporting plate (202), and comprises a second mounting hole (2031), and the second mounting hole (2031) is configured to fix a boss portion of a second valve seat to be machined; the first mounting hole (2021) is opposite the second mounting hole (2031), and a machining space is formed between the first supporting plate (202) and the second supporting plate (203); and the first fixing assembly and the second fixing assembly are both located in the machining space and are configured to fix the first valve seat and the second valve seat on the first supporting plate (202) and the second supporting plate (203) respectively, so that in the machining space, a recess portion of the first valve seat is opposite a recess portion of the second valve seat.

ZHANG JIANLI (CN)
WANG LIN (CN)
SONG XINWEN (CN)
ZOU XIANG (CN)
LIU XUEJI (CN)
QI FENGJIE (CN)

PCT/CN2022/133180

September 14, 2023

November 21, 2022

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YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)

B24B15/04

CN114670085A	2022-06-28
CN209919563U	2020-01-10
CN206748001U	2017-12-15
US20190160545A1	2019-05-30
US20020050296A1	2002-05-02

BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)

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