Adjustable hole shrinkage device applied to smoke powder pipeline

The utility model relates to an adjustable hole shrinkage device applied to a smoke powder pipeline. The adjustable hole shrinkage device comprises a shell, a middle bracket, a first shrinkage plate and a second shrinkage plate, wherein the middle bracket is arranged in the shell; the first hole shr...

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Bibliographic Details
Main Authors LIU XUNPING, GU MINGKAI
Format Patent
LanguageEnglish
Published 11.03.2015
Subjects
CRUSHING, PULVERISING, OR DISINTEGRATING
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
MILLING GRAIN
PERFORMING OPERATIONS
PREPARATORY TREATMENT OF GRAIN FOR MILLING
TRANSPORTING
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Summary:The utility model relates to an adjustable hole shrinkage device applied to a smoke powder pipeline. The adjustable hole shrinkage device comprises a shell, a middle bracket, a first shrinkage plate and a second shrinkage plate, wherein the middle bracket is arranged in the shell; the first hole shrinkage plate and the second hole shrinkage plate are arranged on the middle bracket and are connected with the middle bracket in a sliding manner; the adjustable hole shrinkage device also comprises a driving mechanism; the driving mechanism comprises a front seat assembly, a rear seat assembly, an adjusting screw, a first driving nut, a second driving nut, a hand wheel, an indication assembly and a limiting mechanism. The adjustable shrinkage device is simple in structure and high in use safety.
Bibliography:Application Number: CN20142666484U