JPS62122169U

JPS62122169U -

Info

Publication number: JPS62122169U
Application number: JP882486U
Authority: JP
Priority date: 1986-01-27
Filing date: 1986-01-27
Publication date: 1987-08-03

Description

[Brief explanation of drawings]

第１図Ａは本考案の第１実施例を示す正面図、
第１図Ｂは第１図Ａの横断面図、第２図は第２実
施例を示す要部斜視図、第３図は第３実施例を示
す要部斜視図、第４図は第４実施例を示す正面図
、第５図は従来例を示す斜視図、第６図は第５図
の横断面図、第７図は他の従来例を示す正面図で
ある。１：ホツパ、２：コンクリートシリンダ、２ｃ
：開口部（吐出側、吸入側）、７，７ａ，７ｂ，
７ｃ：摺動リング、１０，１０ａ，１０ｂ，１０
ｃ：ベルマウス。 FIG. 1A is a front view showing the first embodiment of the present invention;
1B is a cross-sectional view of FIG. 1A, FIG. 2 is a perspective view of the main part showing the second embodiment, FIG. 3 is a perspective view of the main part showing the third embodiment, and FIG. FIG. 5 is a front view of the embodiment, FIG. 5 is a perspective view of a conventional example, FIG. 6 is a cross-sectional view of FIG. 5, and FIG. 7 is a front view of another conventional example. 1: Hopper, 2: Concrete cylinder, 2c
: Opening (discharge side, suction side), 7, 7a, 7b,
7c: Sliding ring, 10, 10a, 10b, 10
c: Bellmouth.

Claims

[Scope of utility model registration request]

A concrete pump in which the sliding rings are alternately switched to the discharge side openings of a pair of concrete cylinders by swinging a swinging tube with a sliding ring disposed in a hopper, and the sliding rings are arranged on both sides of the sliding ring. A fresh concrete suction device for a concrete pump, characterized in that a bell mouth is provided in the suction side opening of the concrete cylinder, the bell mouth being alternately arranged.