19 results about "Hand pump" patented technology

The application relates to a fan maintenance technical field, in particular to a fan transmission system fault feature extraction equipment, which comprises a machine body, a winding mechanism is arranged outside the socket, a feature extraction mechanism is arranged inside the winding mechanism, a position adjusting mechanism is arranged at the bottom of the machine body, the position adjusting mechanism comprises a mounting plate, two hand pump type suction cups are mounted on the mounting plate, an adjusting piece is arranged at the top of the mounting plate, and a limiting piece is arranged on one side of the adjusting piece. Through the cooperation of the mounting plate, the hand pump type suction cup, the rotating disc and the first rotating shaft, when the equipment is placed, the hand pump type suction cup is adsorbed on the plane position, the machine body is supported, the machine body is rotated, the rotating disc is driven to rotate, the operating panel of the machine body is aligned with the position of the eyes of the worker, the first rotating shaft and the fixing block are rotated, the machine body is driven to rotate, the position of the operating panel of the machine body is further adjusted, the machine body is flexibly placed, and the worker can conveniently observe the data displayed on the operating panel of the machine body.

The utility model discloses a novel integrated mounting bracket assembly, which relates to the technical field of automobile parts and comprises a bent pipe body, the bent pipe body comprises a vertical section, and the upper end and the lower end of the vertical section are bent rightwards to form an upper bent section and a lower bent section respectively; a fender connecting support is arranged in the middle of the upper bent section, and fender connecting supports and air filter connecting supports are arranged at the two ends of the lower bent section. According to the utility model, the air filter, the fender, the manual pump, the voice alarm and the air guide channel connecting bracket are integrated on one bracket, so that the development cost is reduced, meanwhile, the structural design of a vehicle is more compact, and the space is greatly saved.

The utility model discloses an anchor rod drawing instrument for road construction measurement, and aims to solve the technical problem that in the prior art, when a manual pump is placed on the soft ground for use, the manual pump needs to be held by hands to avoid the situation that the manual pump inclines and turns over due to insufficient ground supporting force, so that the operation difficulty is increased. The anchor rod drawing instrument comprises a manual pump, a digital display pressure gauge, a high-pressure oil pipe and a hydraulic cylinder, the digital display pressure gauge is installed on the surface of the manual pump, the output end of the manual pump is connected to the input end of the hydraulic cylinder through the high-pressure oil pipe, and the two sides of two supporting legs of the manual pump are each provided with a supporting plate. A vertical shaft connected to the surface of a manual pump supporting foot penetrates through the surface of the supporting plate. According to the anchor rod drawing instrument, when the bidirectional lead screw rotates, the two threaded sleeves are driven to move in the direction away from each other, when the threaded sleeves move, the supporting plate is extruded to rotate through the first rotating shaft, the supporting rod and the second rotating shaft, the manual pump can be supported after the supporting plate rotates, and the stability and convenience of the manual pump in use are improved.

The invention provides a single-stage efficient emergency cutting tool and an assembling method thereof. The single-stage efficient emergency cutting tool comprises a first part, a starting device, a second part, an emergency cutting device, a third part and a safety device. One end of the starting device is connected with the emergency cutting device and the other end is connected with the hand pump; the starting device is used for compressing a disc spring in the emergency cutting device of the second part, and elastic potential energy is provided for well descending cutting of a cutting tool in the emergency cutting device through the disc spring. The emergency cutting device adopts a disc spring mechanical energy storage and release principle to quickly cut a steel wire or a cable through a cutting tool; the safety device is installed at the front end of the emergency cutting device, plays a role in safety protection in the assembling process and plays a role in misoperation prevention before cutting. According to the invention, steel wires or cables can be safely and efficiently cut in a high-viscosity fluid well and an inclined well, and a solid guarantee is provided for the success rate and reliability of operation.

The present application relates to the field of hydraulic pressure, and particularly relates to an emergency lowering circuit of a hydraulic winch, which comprises an oil port A, an oil port B, an oil port R, a hydraulic control reversing valve one, a manual reversing valve, a manual pump, a shuttle valve one, a shuttle valve two, a pressure reducing valve, a hydraulic control reversing valve two, a balance valve, a hydraulic winch and a reversing valve; two ends of a pipeline one where the oil port A is located are connected with the reversing valve and the hydraulic winch respectively, two ends of a pipeline two where the oil port B is located are connected with the reversing valve and the hydraulic winch respectively, a pipeline three and a pipeline four are arranged between the pipeline one and the pipeline two, the shuttle valve one is arranged on the pipeline three, the hydraulic control reversing valve and the balance valve are arranged on the pipeline four; the shuttle valve one is connected with a pipeline six through a pipeline five, the shuttle valve two is arranged on the pipeline five, the shuttle valve two is connected with the pressure reducing valve, the hydraulic control reversing valve and the hydraulic winch in sequence; the manual pump, the manual reversing valve and the hydraulic control reversing valve are connected in sequence on the pipeline six. When power failure or oil supply pump failure occurs, the emergency lowering of the hydraulic winch can be carried out without power supply or solving the failure.

1. Name of the designed product: hand pump. 2. Use of the designed product: for pumping air. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: front view.

This invention discloses a user-friendly mop, comprising: a telescopic rod assembly, including an upper mop rod and a lower mop rod that can be nested together, the lower mop rod having a plurality of first limiting holes spaced apart; a water spray assembly, including a hand pump and a nozzle at the lower part of the water spray assembly; a limiting assembly, including a first limiting key that can be telescopically inserted into the first limiting holes; a drive side plate on the inner side of the lower mop rod, the drive side plate having a plurality of second limiting holes spaced apart, the limiting assembly including a second limiting key that can be telescopically inserted into the second limiting holes, one end of the drive side plate being connected to the limiting assembly through the second limiting holes and the second limiting key, and the other end being connected to the top of the hand pump; and a handle for driving the first and second limiting keys to extend and retract, thereby controlling the extension and retraction of the telescopic rod assembly and driving the water spray assembly to spray water outward. This invention features an ingenious structural design and is simple and convenient to operate, providing users with a unique user experience.

The application aims to provide a high-efficiency energy-saving type hydraulic control safety valve actuator and a use method thereof, and belongs to the technical field of valve control. The actuator comprises an oil tank, a high-low pressure valve group and a fusible plug. One end of the bottom of the oil tank is provided with pipeline I. A hand pump, a check valve, a main oil source accumulator and a main oil source pressure gauge are sequentially arranged on the pipeline I. The high-low pressure valve group is connected with a field gas source. The fusible plug is connected with a pilot oil source accumulator and a pilot pressure gauge I through pipeline II. The top of the oil tank is connected with the pipeline I through pipeline III. A stop valve II and a hydraulic control pilot valve are arranged on the pipeline III. A pipeline IV is arranged between the pipeline III and the pipeline I. A stop valve I is arranged on the pipeline IV. The hydraulic control pilot valve is connected with the pipeline II through pipeline V. The application can prolong the pressure maintaining time of the hydraulic control safety valve and reduce the pressurizing frequency of the hand pump.

The present application relates to the technical field of marine engineering equipment manufacturing, in particular to a ship hydraulic stern door device with emergency manual operation function, comprising a ship door frame and a stern door body arranged on one side of the ship door frame, the present application effectively solves the core defects of the existing ship hydraulic stern door device emergency operation system through the integrated design of the switching component, under normal working conditions, the electromagnet that gets electricity locks the first rack through the attraction of the iron block, synchronously drives the first on-off valve to conduct and the second on-off valve to close, realizes the complete physical isolation of the main oil way and the emergency oil way, eliminates the problem of hand pump body aging damage caused by oil way oil leakage, under emergency working conditions, the first rack is driven to slide by the reset spring, one-step completes the oil way bidirectional switching, without manual step-by-step operation, at the same time, it is suitable for two core failure scenarios of the whole ship power failure and electric control system failure, greatly improves the emergency reliability of marine engineering equipment manufacturing supporting device and the environmental adaptability of complex sea conditions.

This utility model discloses a device for the rapid disassembly of centrifugal pump impellers, mechanical seals, or bearings, belonging to the technical field of mechanical maintenance tools. The device includes a linear drive assembly, a mounting assembly, and a movable hook assembly. The mounting assembly includes a mounting beam; the linear drive assembly includes a jack and a manual pump, with the manual pump connected to the jack via a hydraulic pipe; after assembly, the jack's jack cone extends towards the pump shaft inside the centrifugal pump, and the jack cone and pump shaft are arranged coaxially; the movable hook assembly includes hook I and hook II. Hook I has a through hole I at one end and a locking piece I at the other end; hook II has a through hole II at one end and a locking piece II at the other end; hook I and hook II are respectively distributed on both sides of the jack. Through the mounting assembly, linear drive assembly, and movable hook assembly, precise, rapid, and efficient disassembly of impellers, mechanical seals, or bearings can be achieved.

This invention discloses a flange-type transmitter calibration device and method, relating to the technical field of transmitter calibration equipment. It includes a main support frame and a Hart handheld communicator that communicates with the transmitter to be calibrated. The main support frame is equipped with a full-size flange compatible with various flange specifications. The full-size flange has locking bolts for positioning, clamping, and fixing the transmitter to be tested onto the main support frame. The lower end of the locking bolts is connected to the main support frame via a nut. A sealing plate is fitted around the center of the upper surface of the full-size flange. This invention integrates a full-size flange into the main support frame, enabling a single device to be compatible with multiple flange transmitter specifications without requiring the replacement of flange fixtures according to transmitter specifications. It integrates a portable hand pump, a high-precision digital standard meter, and a Hart handheld communicator into one unit, replacing scattered and independent equipment, simplifying the on-site assembly and debugging process, and reducing labor costs.

The application provides an auxiliary device for treating peripheral vascular diseases, relates to the technical field of nursing apparatuses, and comprises a massage pad, a hydraulic locking pitching mechanism, a hydraulic driving lifting mechanism and a remote control mechanism, the massage pad is arranged on the pitching mechanism, the pitching mechanism is arranged on the lifting mechanism, the remote control mechanism comprises a hand pump and a locking oil cylinder, the hand pump is linked with the lifting mechanism, and the locking oil cylinder is linked with the pitching mechanism.In the application, the hand pump is used for driving the lifting mechanism to lift, and the locking oil cylinder is used for locking the pitching mechanism, so that the remote adjustment effect is realized, the patient can use the device by himself, and the device does not need external power supply, and is more flexible in use.

The utility model relates to a kind of cloth pipe car, including frame structure;Carriage, the carriage is set on the frame structure;Pipe collecting device, the pipe collecting device is set on the top of cloth pipe car, the pipe collecting device is used to recycle hose;Fire pump, the fire pump is set below the frame structure, the fire pump is connected with the frame structure, the fire pump is used to execute pressurization work when remote water supply or high water supply;Hand pump, the hand pump is placed on the carriage, the hand pump is connected with the fire pump by water hose, the hand pump is used to execute drainage or water supply work;And power system, the power system is used to provide power to the pipe collecting device, the fire pump and the hand pump.Cloth pipe car whole car not only can realize cloth pipe function, but also can realize the pressurization function of remote water supply or high water supply, two kinds of functions are integrated in a car, compact structure, easy to operate, reduce cost.

The utility model discloses a kind of thermal power plant pressure transmitter calibration devices, it is related to thermal power plant pressure transmitter technical field, including grip lever, the grip lever outer wall end portion is rotatably installed with torsion ring, the torsion ring side wall is fixedly installed with screw rod, the screw rod outer wall is threadedly connected with strut, the strut side wall is slidably installed with palm heart rod, the palm heart rod end away from torsion ring is fixedly installed with connecting rod, the connecting rod inner wall is rotatably installed with reciprocating rod, the reciprocating rod end portion is rotatably installed with piston;In the utility model, by rotating the torsion ring of grip lever end portion drives screw rod, make strut move, in the initial stage of pressure transmitter calibration, strut is close to torsion ring, piston stroke is long, can quickly promote pressure, when approaching range upper limit critical point, strut is close to piston, piston stroke is short, realize trace pressurization, effectively avoid the problem that pressure momentary over-limit is caused by manual pump pressurization stroke fixed.

The application discloses a wellhead dismounting auxiliary device, which improves the technical problems of low efficiency, poor operation convenience and big safety hidden danger during wellhead dismounting. The device comprises a control valve connected to the top of a tubing hanger and used for being connected with a tubing, and a stop valve connected to the top of the tubing hanger. An external hand pump is connected with a downhole safety valve and a gas release valve through the stop valve. When the downhole safety valve and the gas release valve are in a normal open state, the opening and closing of the downhole safety valve and the gas release valve can be controlled by controlling the opening and closing of the stop valve. The application can improve the efficiency of wellhead dismounting operation, improve the operation convenience and reduce the safety hidden danger.

A device for dispensing a fluid substance including: a container (6) of the substance; a measuring cup (2) for dosing the substance; a manual pumping means (3) of the substance from the container (6) to the measuring cup (2); a dispenser (4) of the substance from the measuring cup (2) suitable to allow a user to drink the substance.

This invention provides a hydraulically driven normally closed power system clutch towing control system and vehicle, wherein the control system includes: an electronic pump; an accumulator valve group, the P port of which is connected to the outlet of the electronic pump; an accumulator connected to the A port of the accumulator valve group; a ball valve, the inlet of which is connected to the B port of the accumulator valve group; a manual operating valve, the return port of which is connected to the oil tank, and the inlet of which is connected to the outlet pipeline of the ball valve; a hand pump, the inlet of which is connected to the oil tank, and the outlet of which is connected to the outlet pipeline of the ball valve; an electric pressure holding valve, the outlet of which is connected to the accumulator valve group; an electro-proportional pressure control valve, the T port of which is connected to the oil tank, and the P port of which is connected to the inlet of the electric pressure holding valve; a shuttle valve, the first input port of which is connected to the control pressure output port of the electro-proportional pressure control valve, and the second input port of which is connected to the outlet of the manual operating valve; a normally closed clutch, the control oil port of which is connected to the output port of the shuttle valve; a controller and a sensor assembly; the sensor assembly is used to detect system parameters and feed them back to the controller; the electro-proportional pressure control valve is used to adjust the pressure of its control pressure output port according to the current signal of the controller.

The application belongs to the technical field of airplane debugging process, and particularly relates to a process method and a special test bench for an airplane canopy cover air tightness and strength test, comprising an oil tank, a manual pump, a reversing valve, a process actuating cylinder and a controller. The reversing valve is a three-position four-way reversing valve. Two oil ports on one side of the reversing valve are connected with the manual pump and the oil tank, and two oil ports on the other side of the reversing valve are connected with the inlet and outlet oil ports of the process actuating cylinder through hydraulic rubber pipes. The oil tank and the manual pump are connected with each other. The manual pump and the reversing valve are provided with sensors, and the sensors are electrically connected with the controller. The assembly process of the canopy cover pneumatic hydraulic system is successfully moved to the final assembly stage, and the process cross and repeated disassembly in the assembly and final assembly stages are completely avoided. The air tightness and strength test in the assembly stage can be independently and advancedly carried out, and the overall production cycle of the airplane is greatly compressed.