12 results about "Hydraulic intensifier" patented technology

A pneumohydraulic pressure intensifier includes at least one pneumatic piston that is coupled to a hydraulic pump. The pressure intensifier includes a regulator which allows to set the hydraulic output pressure. The regulator is coupled to a hydraulic pilot control valve which is adapted to interrupt the air supply to the pneumatic piston when a set maximum pressure is reached.

The present disclosure provides a workshop material transport device based on a hydraulic pressure boosting cylinder. The workshop material transport device based on the hydraulic pressure boosting cylinder comprises a device main body, a support plate assembly, a plurality of wheel body driving mechanisms and a plurality of hydraulic buffering mechanisms. One end of each wheel body driving mechanism is movably connected to the bottom of the device main body, and the other end of each wheel body driving mechanism is used to abut the ground. The plurality of wheel body driving mechanisms are arranged at intervals and are used to jointly drive the device main body to move relative to the ground. Each hydraulic buffering mechanism is arranged adjacent to the corresponding wheel body driving mechanism. Each hydraulic buffering mechanism comprises a hydraulic pressure boosting cylinder and a support seat body. The hydraulic pressure boosting cylinder is connected to the device main body, and the power output end of the hydraulic pressure boosting cylinder is connected to the support seat body. The hydraulic pressure boosting cylinder is used to drive the support seat body to extend and retract relative to the ground. The workshop material transport device based on the hydraulic pressure boosting cylinder is convenient to use.

A pneumohydraulic pressure intensifier includes at least one pneumatic piston that is coupled to a hydraulic pump. The pressure intensifier includes a regulator which allows to set the hydraulic output pressure. The regulator is coupled to a hydraulic pilot control valve which is adapted to interrupt the air supply to the pneumatic piston when a set maximum pressure is reached.

The self-closing type water-saving valve comprises a three-way valve body, a water outlet and two water inlets are formed in the upper end and the lower end of the three-way valve body respectively, a water inlet channel of each water inlet is communicated with a water outlet channel of the water outlet, each water inlet channel is provided with a matched valve element, and the valve element is transversely inserted into the corresponding water inlet channel, so that the water-saving valve is closed. Further, the water inlet channel is closed; comprising hydraulic superchargers corresponding to all the valve elements. A hydraulic pump of the hydraulic supercharger is communicated with a hydraulic cylinder, a push rod of the hydraulic cylinder is connected with the corresponding valve element, a piston body of the hydraulic pump is rotationally connected with the lower end of a piston rod, and external threads are arranged on the upper portion of the piston rod. The piston rod of each hydraulic pump converts linear motion into rotary motion, and is matched with the handle to drive the driving gear to rotate, so that more labor is saved, the force required for opening the valve is further reduced, and the valve is particularly suitable for kindergartens, nursing homes, hospitals and other places.

There is disclosed a liquefied gas cargo carrier emergency valve drive system, comprising one or more hydraulic accumulators configured to provide hydraulic fluid to emergency valves controlling the handling of a liquefied gas cargo on the carrier, and a hydraulic pressure intensifier configured for storing the hydraulic fluid in the one or more hydraulic accumulators at a pressure above 150 barg.

The utility model belongs to the field of injection molding machines, and relates to an electric injection molding machine with a hydraulic pressurizing cylinder high-pressure mold locking, which comprises an injection molding device, a mold, a mold closing device and a pressurizing device, the pressurizing device comprises a mold opening and closing oil cylinder, a piston rod is arranged in an oil cavity and divides the oil cavity into a liquid inlet cavity and a liquid outlet cavity, the electric injection molding machine further comprises a pressurizing cylinder, and the pressurizing cavity is divided into an oil return cavity and a pressurizing cavity. The oil return cavity is communicated with a liquid outlet cavity of the mold opening and closing oil cylinder, the pressurizing cavity is communicated with a liquid inlet cavity of the mold opening and closing oil cylinder, a pressurizing push rod is arranged in the pressurizing cavity, a circulation section is arranged at the front end of the pressurizing push rod, an oil groove is formed in the circulation section, the oil groove is opened towards the front end and communicated with the pressurizing cavity, and a plurality of circulation through holes are formed in the peripheral side of the rear end of the circulation section. The pressure maintaining device has the advantages that the pressure maintaining is realized through the pressure cylinder, the occupied volume can be reduced, and the mold clamping force can be ensured.

The invention provides workshop material transportation equipment based on a hydraulic pressure cylinder. The workshop material transportation equipment based on the hydraulic pressure cylinder comprises an equipment body, a supporting plate assembly, a plurality of wheel body driving mechanisms and a plurality of hydraulic buffering mechanisms. One end of each wheel body driving mechanism is movably connected to the bottom of the equipment main body, the other end of each wheel body driving mechanism is used for abutting against the ground, and the multiple wheel body driving mechanisms are arranged at intervals and used for jointly driving the equipment main body to move relative to the ground; each hydraulic buffering mechanism is arranged adjacent to the corresponding wheel body driving mechanism, each hydraulic buffering mechanism comprises a hydraulic pressure cylinder and a supporting seat body, the hydraulic pressure cylinders are connected to the equipment main body, the power output ends of the hydraulic pressure cylinders are connected to the supporting seat bodies, and the hydraulic pressure cylinders are used for driving the supporting seat bodies to do telescopic motion relative to the ground. The workshop material transportation equipment based on the hydraulic pressure cylinder is better in use convenience.

The utility model discloses a portable hydraulic pressurizer which comprises a pressurizer body, an output end oil inlet and return connector set arranged at one end of the pressurizer body in a communicating mode, an input end oil inlet and return connector set arranged at the other end of the pressurizer body in a communicating mode and a shell fixedly arranged outside the pressurizer body in a covering mode. A handle is fixedly arranged at the top of the shell; the plurality of fixed supporting legs are fixedly arranged at four corners of the bottom of the shell; the four telescopic supporting leg assemblies are hinged to the four corners of the bottom face of the shell, a clamping block is fixedly arranged at the center of the bottom face of the shell, and clamping grooves used for clamping the telescopic ends of the telescopic supporting leg assemblies are formed in the clamping block. The shell is arranged outside the supercharger body, the handle is arranged at the top of the shell, a user can conveniently take and carry the supercharger, the fixed supporting foot and the telescopic supporting foot are arranged, the fixed supporting foot is used for leveling the ground, and the supercharger can be stably placed on the concave-convex ground by adjusting the telescopic supporting foot.

The utility model relates to the technical field of hydraulic pressurizing equipment, and discloses a pneumatic hydraulic pressurizing cylinder which comprises a pressurizing cylinder body and a hydraulic oil cup, the hydraulic oil cup comprises an oil containing part and a pressurizing part, the oil containing part is used for containing hydraulic oil, the pressurizing part is used for pressurizing the hydraulic oil, and the oil containing part and the pressurizing part are arranged in a mutually separated mode. An oil passing channel is arranged between the oil containing part and the pressurizing part, a pressurizing space is formed in the pressurizing cylinder body, a pressurizing piston rod is arranged in the pressurizing space, a pressurizing opening communicated with the pressurizing part is formed in the pressurizing space, and the pressurizing piston rod is arranged at the pressurizing opening and communicated with the pressurizing part; the hydraulic oil cup is additionally arranged on the pressurizing cylinder body, hydraulic oil is contained through the oil containing part of the hydraulic oil cup, the hydraulic oil enters the pressurizing part through the oil passing channel, the pressurizing piston rod pressurizes the hydraulic oil, and the pressurized hydraulic oil enters equipment to pressurize the equipment; and complete cooperation with original equipment is facilitated, and meanwhile, the equipment can be rapidly pressurized.

This invention provides a small-bending-radius pipe bending device and its usage method, comprising: an upper support plate, a push rod, a hydraulic pressure boosting pipe, a guide sleeve, a bending die, a sealing joint, a sealing ring, rubber balls, a pressure sensor, a hydraulic push cylinder, a movable ball joint, and a hydraulic pressure booster. The method includes the following steps: first, the straight pipe to be processed is installed inside the bending die and fitted against the guide sleeve; several rubber balls are filled into the inner cavity of the straight pipe; the gaps in the inner cavity of the straight pipe are filled using the hydraulic pressure booster; a press is started to apply downward pressure to the push rod; the filling pressure is set to provide pressure support inside the pipe, and as the push rod moves downward, the pipe begins to bend and form; after completing a 90° bend, the filling pressure is gradually increased for pressure shaping. This invention increases the internal support pressure of the pipe by using rubber balls and hydraulic filling of the gaps; and increases the length of the straight section while achieving uniform force distribution during the bending process by employing differential friction.

A hydraulic fracturing spread system has modular high-pressure fracturing fluid manifold assemblies which couple to form a large trunk line for collecting and conveying high pressure fracturing fluid toward the well bore. Oil-hydraulic intensifier pump units integrated with the modular manifold assemblies increase the fracturing fluid pressure into the trunk line. The manifold assemblies may be configured differently from one to the other and coupleable horizontally and / or vertically.

The utility model discloses a novel hydraulic pressure intensifier cylinder belongs to fluid pressure conversion equipment technical field, including main cylinder body, pressure intensifier cylinder body and inside piston rod, and the outlet end of pressure intensifier cylinder body is connected with main cylinder body, and piston rod includes piston main body and axle body, and the cross section area of piston main body is axle body cross section area's n times, and piston main body and main cylinder body inner wall slide fit, and axle body penetrates the outlet end of main cylinder body and with pressure intensifier cylinder body inner wall slide fit, and the oil liquid mouth on main cylinder body lateral wall is located between piston main body and pressure intensifier cylinder body, and the liquid supplementing mouth on pressure intensifier cylinder body lateral wall is set up between axle body and liquid outlet, and the piston rod in main cylinder body reciprocatingly moves under the action of hydraulic oil, and utilize the one-way valve of liquid supplementing mouth and liquid outlet, and the hydraulic oil is supplemented by liquid supplementing mouth negative pressure, and exports high pressure hydraulic oil through liquid outlet. The utility model utilizes reciprocating linear motion piston rod to form plunger type movement in pressure intensifier cylinder, and utilizes the multiple of piston main body and axle body cross section area to realize the purpose of pressure intensification.