KR960008044A

KR960008044A - Concrete pump

Info

Publication number: KR960008044A
Application number: KR1019940019422A
Authority: KR
Inventors: 최광수
Original assignee: 최광수
Priority date: 1994-08-06
Filing date: 1994-08-06
Publication date: 1996-03-22

Abstract

본 발명은 건설현장에서 사용되는 미경화콘크리트를 작업위치로 압송하여 주는 것으로, 특히 각기 한쌍의 흡입밸브와 토출밸브가 개별적으로 동작되도록 하여 콘크리트의 공급 및 토출이 원화라게 이루어져 압송되도록 하여주는 콘크리트 펌프에 관한 것으로, 본 발명가의 기술적 구성상의 특징은;미경화콘크리트가 내부로 부어지는 공급호퍼(10)와, 상기 공급호퍼(10)의 하부로 연통되는 한쌍의 공급통로(20)와, 상기 공급통로(20)들에 연통되어서 공급되는 미경화콘크리트를 펌핑하는 한쌍의 펌핑통로(30)로 구성되는 것에 있어서, 상기 공급통로(20)들의 양측에는 흡입밸브실린더(50)들로서 개별적으로 슬라이드 개폐되는 한쌍의 흡입밸브(51)를 설치하고, 상기 펌핑통로(30)들의 양측에는 펌핑실린더(40)들이 배치되도록 하되, 상기 한쌍의 펌핑통로(30)들의 토출관(32)측에는 양측의 토출밸브실린더(60)들로서 개별적으로 슬라이드 개폐되는 한쌍의 토출밸브(61)들을 배치하여서, 하나의 펌핑실린더(40)의 펌핑동작이 완료되기 이전에 다른 펌핑실린더(40)도 동시에 펌핑동작을 개시할 수 있도록 하는 콘크리트 펌프이다.The present invention is to pump the uncured concrete used in the construction site to the working position, in particular, a pair of intake valve and discharge valve to be operated individually, so that the concrete supply and discharge of the concrete is pumped to make the original The technical constitution features of the present invention include: a supply hopper 10 into which uncured concrete is poured, a pair of supply passages 20 communicating with a lower portion of the supply hopper 10, and the supply. In the configuration consisting of a pair of pumping passages 30 for pumping the uncured concrete to be supplied in communication with the passages 20, on both sides of the supply passages 20 are slide-opened separately as intake valve cylinders 50 A pair of suction valves 51 are installed, and pumping cylinders 40 are disposed at both sides of the pumping passages 30, but the pair of pumping passages 30 are disposed. On the discharge pipe 32 side, a pair of discharge valves 61 which are slide-opened and closed individually as the discharge valve cylinders 60 on both sides are arranged, so that the pumping operation of one pumping cylinder 40 is completed before the other pumping cylinder ( 40 is also a concrete pump that allows the pumping operation to be started at the same time.

Description

Concrete pump

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 실시예를 나타낸 일부절결 사시도,1 is a partially cutaway perspective view showing an embodiment of the present invention,

제2도는 제1도의 일측 종단면도,2 is a longitudinal cross-sectional view of one side of FIG.

제3도는 본 발명의 실시예를 나타낸 일부절결 평면도,3 is a partially cutaway plan view showing an embodiment of the present invention;

제4도는 본 발명의 유압공급수단의 구성도,4 is a configuration diagram of the hydraulic supply means of the present invention,

제5도의 (가)(나)(다)는, 본 발명의 동작상태의 예시도.(A) (b) (c) of FIG. 5 is an exemplary view of an operating state of the present invention.

Claims

A supply hopper 10 into which the uncured concrete is poured, a pair of supply passages 20 communicating with the lower portion of the supply hopper 10, and an uncured concrete supplied in communication with the supply passages 20. In the configuration consisting of a pair of pumping passages 30 for pumping, on both sides of the supply passages 20 are provided with a pair of suction valves 51 which are slide-opened and closed individually as intake valve cylinders 50, and the pumping Pumping cylinders 40 are disposed on both sides of the passages 30, but a pair of discharge valves are individually slide-opened and opened as discharge valve cylinders 60 on both sides of the discharge pipe 32 side of the pair of pumping passages 30. Placing the (61), before the pumping operation of one pumping cylinder 40, the other pumping cylinder (40), characterized in that the pumping operation can be opened at the same time.

The pumping passage according to claim 1, further comprising contact plates (41) which are integrally operated with the pistons (40a) in the pumping cylinders (40) on both sides reciprocating in the pair of pumping passages (30). Between the 30 and the pumping cylinders 40, a pair of first contact switches S _{1 for} intermittently intermittently waiting for the completion of the backward movement of the pistons 40a and the piston 40a on one side before the completion of the forward movement are completed. Composed of a pair of second contact switches S ₂ so that the piston 40a on the other side in the standby state can start the pumping operation at the same time, the piston 40a of the pumping cylinder 40 on the one side moves forward. When starting, the intake valve 51 of one side associated with the pumping cylinder 40 of one side is blocked and the discharge valve 61 is opened, and the piston 40a of the pumping cylinder 40 of the one side is opened. If the piston 40a of the pumping cylinder 40 on the other side starts the forward movement before completion of the forward movement, Inlet valve concrete pump, it characterized in that the 51 is cut off at the same time the discharge valve 61 is configured to be performed repeatedly, opening operations of the other side is associated with ping cylinder 40.

According to claim 1 or 2, wherein each of the pistons (40a) in the pumping cylinders 40 on both sides to have a cross-sectional area of about 35-55% in proportion to the internal cross-sectional area of the pumping cylinder (40), The piston (40a) is a concrete pump, characterized in that to proceed slowly when moving forward, and to proceed rapidly when moving backward.

According to claim 1, wherein the intake valve cylinders 50 and the discharge valve cylinders 60 on both sides to form a pair of the intake valve cylinder 50 and the discharge valve cylinder 60 on one side, the other side of the suction valve cylinder Hydraulic supply to the pair of solenoid valves (B) and the discharge valve cylinder (60) to form a set, and to control the hydraulic pressure supplied from one hydraulic tank (T) and the hydraulic pump (P) As the hydraulic supply means 200 constituting the circuit, the suction valve cylinder 50 and the discharge valve cylinder 60 is interlocked to operate as the pumping cylinders 40 on both sides are operated so that the suction valve 51 and the discharge valve. Concrete pump characterized in that the 61 is to be opened and closed.

The guide grooves 21 and 31 of claim 1, wherein one side of each of the guide grooves 21 and 31 is formed at an intermediate position of the pair of supply passages 20 and at one end of the pair of pumping passages 30 so as to protrude to be sealed. The concrete pump, characterized in that the inlet valve 51 and the discharge valve 61 is guided to open and close through the guide groove (21) (31).

According to claim 1, It is installed between the solenoid valve (B) of each of the intake valve cylinder 50 and the discharge valve cylinder (60) of both sides, a pair of pressurization having a telescopic tube filled with nitrogen gas therein The tank PT is provided so that the hydraulic pressure supplied from the hydraulic pressure supply means 200 through the hydraulic pump P is rapidly supplied or recovered by the internal pressure difference of the pressure tank PT, so that the suction on both sides is performed. Concrete pump characterized in that the valve cylinder (50) and the discharge valve cylinder (60) to move forward and backward rapidly.

※ Note: The disclosure is based on the initial application.