SU1476180A1

SU1476180A1 - Concrete pump

Info

Publication number: SU1476180A1
Application number: SU874293488A
Authority: SU
Inventors: Владимир Васильевич Барышев; Маркс Абович Лев; Вазген Хоренович Клорикьян; Андрей Вадимович Бурнштейн; Борис Александрович Бондарович; Владимир Алексеевич Дронов; Борис Филиппович Антипов
Original assignee: Всесоюзный научно-исследовательский институт транспортного строительства
Priority date: 1987-07-02
Filing date: 1987-07-02
Publication date: 1989-04-30

Abstract

Изобретение относитс к бетононасосам дл перекачивани в зких и неоднородных жидкостей. Цель изобретени - сокращение габаритов и упрощение конструкции бетононасоса путем использовани в системе охлаждени в качестве охлаждающей среды промывочной жидкости. Рабочие цилиндры (Ц) 3 закреплены на стенке приемного бункера 1. Поршни 4 Ц 3 при помощи штоков 5 св заны с поршн ми цилиндров 7. Камера 8 дл промывочной жидкости размещена между Ц 3,7 и сообщена со штоковыми полост ми Ц3. Насосна установка 9 гидропривода включает систему охлаждени рабочей жидкости с трубчатым теплообменником (ТО) 10, размещенным в полости камеры 8. Камера снабжена направл ющим аппаратом в виде перегородки 11 дл создани направленного знакопеременного по направлению потока в зоне расположени ТО 10. Штоки 5 снабжены закрепленными на них упругими щетками 12, установленными с возможностью контакта с рабочими поверхност ми ТО 10 при работе. Расположение ТО 10 в камере 8 позвол ет отказатьс от специальной системы дл подвода и отвода охлаждающей среды. 3 ил.The invention relates to concrete pumps for pumping viscous and non-uniform liquids. The purpose of the invention is to reduce the size and simplify the design of a concrete pump by using a washing liquid in the cooling system as a cooling medium. The working cylinders (C) 3 are fixed on the wall of the receiving hopper 1. The pistons 4 C 3 are rotated by means of rods 5 to the pistons of cylinders 7. A chamber 8 for washing liquid is placed between C 3.7 and communicated with rod cavities C 3. The pump installation 9 of the hydraulic drive includes a system for cooling the working fluid with a tubular heat exchanger (TO) 10 located in the cavity of the chamber 8. The chamber is equipped with a guiding device in the form of a partition 11 for creating a directional alternating in the direction of flow in the location area 10. The rods 5 are fitted with these elastic brushes 12, installed with the possibility of contact with the working surfaces TO 10 during operation. The arrangement of the TO 10 in the chamber 8 makes it possible to refuse the special system for the supply and removal of the cooling medium. 3 il.

Description

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Claims

Claim

A concrete pump containing working cylinders fixed to the wall of the receiving hopper, the pistons of which are connected to the pistons of the drive hydraulic cylinders by means of rods, a flushing fluid chamber located between the working and drive cylinders and communicated with the rod cavities of the working cylinders, and a pump installation of a hydraulic drive of hydraulic cylinders, including a system cooling a working fluid with a tubular heat exchanger, characterized in that, in order to reduce the size and simplify the design by using cooling system as a washing fluid cooling medium, a tubular heat exchanger is placed in the cavity of the washing fluid chamber, the chamber is equipped with a guiding device in the form of a partition to create a directional washing fluid alternating in the direction of flow in the pipe heat exchanger location, and the working cylinder rods are equipped with them elastic brushes installed with the possibility of contact with the working surfaces of the heat exchanger during pump operation.

FIG. 3