Pumping mechanism distributing valve thereof and concrete Related Information

HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD

Oct 23, 2014 · PUMPING MECHANISM, DISTRIBUTING VALVE THEREOF AND CONCRETE PUMPING MACHINE - A pumping mechanism and the distributing valve thereof and a concrete pumping machine are disclosed. The distributing valve includes a valve casing (Kefid13: 20130255245

Concrete pumping machine - REINERT; GERALD H.

This invention relates to a machine for pumping heavy abrasive materials such as concrete or the like. An object of this invention is to provide a concrete pump in which a single reciprocating valve element controls flow of concrete from a hopper to each of two pump cylinders and from the pump cylinders to a distributing …

Patents Assigned to SANY Heavy Industry Co., Ltd. - Justia

Dec 26, 2013 · Abstract: A pumping mechanism and the distributing valve thereof and a concrete pumping machine are disclosed. The distributing valve includes a valve casing (100) and a valve core (200) located in the pumping chamber of the valve casing. The valve core is rotatably connected to the valve casing, thus forming a main rotating axis (O).

Injection timing control device for distributor-type fuel

Abstract. This patent describes an injection timing control device for combination with a fuel injection pump for an internal combustion engine, the pump being of the type having a suction space filled with fuel under pressure variable as a function of the rotational speed of the engine, a pumping and distributing plunger, and a roller holder carrying rollers circumferentially arranged and

WATER AND SEWERAGE CORPORATION [ 3

premises, with a stop valve with an area of water-way of a size and type to be approved by the Minister and such stop valve shall, if below the surface of the ground, be suitably protected by a cement concrete box of approved type and size and fitted with a proper cover. G.N. 2/1963.; S.I. 41/1969.; S.I. 74/ 1976. Supply of water to premises.

Stationary Concrete Pumps - Liebherr

The concrete pump range also includes concrete distributors or climbing booms. Truck mixer concrete pumps are ideal for smaller building sites. Liebherr provide a comprehensive range which encompasses the whole of concrete technology from a single source, from the production of concrete, to concrete transport and installing concrete on the

US1228469A - Valve. - Google Patents

A valve device comprising a casing having a chamber and a plurality of radial passages leading therefrom; a rotative, ported, hollow distributing and valve member in said chamber, and provided with a stem which extends outwardly from said chamber; a supply pipe leading through the wall of said casing and into said chamber and provided at its inner end with a flange; a removable cover plate fastened to …

Read Here: : January 2019

Jan 29, 2019 · Pipelines for pumping concrete shall be laid in such a way that no interruption can occur in the flow of concrete in the pipe. Pump lines shall be as short as possible. The concrete pumping plant shall be provided with a water pressure valve, connecting pipe with needle valve cleaning rods, outlets for drainage of water, and a high-pressure (30

US2970641A - Apparatus for pumping fuel at varying rates

The construction of the distributing valve mechanism is shown in Figure 2, wherein the numeral 11 designates a body having a number of bores 13a, 13b, 13c, 13d therein, the number of bores corresponding to the number of fuel pumpsfour in the present case. for efficiently pumping fuel from a source thereof to the engine at substantially the

TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR …

PREFACE All 40 years of m y working lif e, I spent on erection of diff erent process plants most of which were oil indus try projects in the country and abroad, in Europe and North Africa.

Method and device for suppressing vibration of boom of

The present invention discloses a method and device for suppressing vibration of boom of concrete pump truck, in which the boom cylinder is connected with the vibration suppression cylinder; the information about hydraulic pressure in the boom cylinder and/or about changing of concrete pumping direction is monitored by a pressure sensing unit in real time; the monitored information about

Read Here: - Blogger

Jul 22, 2021 · Pipelines for pumping concrete shall be laid in such a way that no interruption can occur in the flow of concrete in the pipe. Pump lines shall be as short as possible. The concrete pumping plant shall be provided with a water pressure valve, connecting pipe with needle valve cleaning rods, outlets for drainage of water, and a high-pressure (30

US2812970A - Gate operating mechanism for a concrete

In a concrete bucket of the bottom dump type for use with a valve-controlled air line having a nozzle which may be supplied with compressed air with the valve in the open position and which is opened to the atmosphere when the valve is in its closed position, the combination comprising, a discharge gate movable between an open position and a

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SLURRY PUMPING MANUAL - pumpfundamentals.com

WEIR SLURRY PUMPING MANUAL iv–1 Symbols used The terms slurry and mixture in this Manual are used interchangeably to describe a mix of any loose solids, made up in any proportions and combinations of any particle sizes and any conveying liquid.The subscript w refers to densities and specific gravities of liquids – mostly, but not exclusively, water.

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Patents Assigned to Putzmeister Engineering GmbH - Justia

Abstract: The invention relates to a method for setting up a mobile machine (1), particularly an automatic concrete pump, a mobile crane or a movable elevating work platform. With such a method, the subsurface (28) of a site is analyzed for the properties and/or load-bearing capacity thereof before the machine (10) is positioned there and/or oriented and supported by means of flarable

Piston Pumps and Plunger Pumps Selection Guide: Types

Piston pumps and plunger pumps use a mechanism (typically rotational) to create a reciprocating motion along an axis, which then builds pressure in a cylinder or working barrel to force gas or fluid through the pump. The pressure in the chamber actuates the valves at both the suction and discharge points. Double-action plunger pump.

Water Pump - an overview | ScienceDirect Topics

Feed water pumps. The feed water pumps shown in Figure 4.3 are 316L stainless steel (SS) horizontal centrifugal pumps rated for a flow rate of 70.5 m 3 /h at 2.8 bar g each. The totally enclosed fan cooled (TEFC) motors are rated for 18.7 kW, 3000 rpm, 460 V/3 Ph/50 Hz. The motor service factor is 1.15.

POWER-ACTUATED DISTRIBUTING CONVEYOR SYSTEM FOR A …

A distributing conveyor system embodying a pivot arm hingedly connected to the rear end of a ready-mix concrete truck, a rotary carrier frame on the distal end of the pivot arm, and a belt-type conveyor including a boom which is slidable endwise through the carrier frame, together with hydraulically powered means for swinging the pivot arm toward and away from the truck, and for rotating the