JPH0432273U

JPH0432273U -

Info

Publication number: JPH0432273U
Application number: JP7454590U
Authority: JP
Priority date: 1990-07-13
Filing date: 1990-07-13
Publication date: 1992-03-16

Description

[Brief explanation of the drawing]

第１図ないし第２図は本考案の一実施例を示す
ものであり、第１図はコンクリートポンプの側断
面図、第２図は摺動状態にあるウエアプレートと
ウエアリングとからなる口金の側断面図、第３図
ないし第５図はプレートと構造を示す図であり、
である。１……ホツパ、２ａ……コンクリートシリンダ
の開口部、４……ウエアプレート、８……揺動管
、８ｂ……揺動端、８ｃ……揺動管の開口部、１
０……ウエアリング、１０ｃ……超硬リング。 Figures 1 and 2 show one embodiment of the present invention, with Figure 1 being a sectional side view of a concrete pump, and Figure 2 showing a mouthpiece consisting of a wear plate and a wear ring in a sliding state. The side sectional views, FIGS. 3 to 5 are views showing the plate and structure,
It is. 1... Hopper, 2a... Opening of concrete cylinder, 4... Wear plate, 8... Swinging tube, 8b... Swinging end, 8c... Opening of swinging tube, 1
0...wear ring, 10c...carbide ring.

Claims

[Claims for Utility Model Registration] 1. While sliding the wear ring attached to the swing end of the swing tube on the surface of the wear plate attached to the inner surface of the hopper, a plurality of pieces of concrete are formed on the wear plate. In a concrete pump configured to send out fresh concrete by alternately communicating the opening of the cylinder and the opening of the swinging tube formed in the wear ring, the opening of the wear ring and the sliding part include:
A concrete pump plate structure characterized by fixed carbide rings and wear-resistant materials. 2 Utility model registration Claim 1, wherein the cemented carbide member is characterized in that the cemented carbide binder phase contains 0.01 to 0.2 Cr in the binder phase as a whole. Plate structure of concrete pump. 3. The plate structure of a concrete pump according to claim 1 of the utility model registration claim, characterized in that cemented carbide is fixed to the sliding surface of the plate. 4. The plate structure of a concrete pump according to claim 1 of the utility model registration claim, characterized in that the cemented carbide shape fixed to the sliding surface is provided with chips arranged along the sliding direction.