75 results about "Miniature hydraulics" patented technology

The invention belongs to the technical field of argon arc welding device, and particularly relates to an automatic argon arc welding device. The automatic argon arc welding device comprises a robot, wherein the robot is composed of a robot body, a mechanical head, mechanical arms, mechanical legs and mechanical feet, wherein a squatting and bending mechanism is fixedly installed on the inner sidesurface of each mechanical leg, and the squatting and bending mechanisms control the bending degree between the mechanical legs and the mechanical feet. Manipulators are fixedly mounted at the bottomends of the mechanical arms, the manipulators are hinged to welded pieces and clamp the welded pieces, and the manipulators drive the welded pieces to rotate. A welding mechanism is fixedly installedright in front of the robot body, and the two sides of the welding mechanism are fixedly connected with the inner side surfaces of the mechanical arms through miniature hydraulic cylinders. Accordingto the automatic argon arc welding device, through the arrangement of the welding mechanism, the effect of conducting small-amplitude swing welding on the welding seam between the welded pieces is achieved, the welded pieces rotate during welding, in cooperation with the miniature hydraulic cylinders and a telescopic hydraulic cylinder which control a welding gun, the width of the welding seam iscontrolled by the miniature hydraulic cylinders, the welding thickness of the welding seam is controlled by the telescopic hydraulic cylinder, and then the effect of accurate, constant-speed and continuous welding is achieved.

The invention relates to a repeatable and quick assembly-disassembly type cooling system and a special pipeline connecting device. The cooling system comprises a compressor (1), a condenser (2), a reservoir (3), a dry filter (4), an expansion valve (5) and an evaporator (6). The cooling system is characterized in that: a first pipeline connecting device (7) is arranged between the dry filter (4) and the expansion valve (5); a second pipeline connecting device (8) is arranged between the evaporator (6) and the compressor (1); a first solenoid valve (9) is arranged on a pipeline between the first pipeline connecting device (7) and the dry filter (4); the first pipeline connecting device (7) is connected with a connecting position between the second pipeline connecting device (8) and the compressor (1) through a pipeline (11); ports of two pipeline connecting devices are respectively connected with a miniature vacuum pump (12) through a third solenoid valve (14); and control input ends of the two pipeline connecting devices (8) are connected with a miniature hydraulic station (13). The cooling system can be provided with the evaporator under the cooled environment, and can reduce the manufacturing cost and use cost greatly by adopting a direct cooling mode.

The invention discloses a track underwater feed device for aquaculture. The device comprises an annular supporting plate and an aquaculture tank body, wherein the annular supporting plate is erected above the water surface of the aquaculture tank body, the lower end of the annular supporting plate is fixedly connected with a moving part, the moving part is fixedly connected with a feed tank, the inner wall of the left side of the feed tank is provided with a feeding part, and the bottom of the feed tank is provided with a discharging mechanism. The track underwater feed device for the aquaculture has the advantages that an electric pulley and the feed tank are driven through an annular electric track, and cooperate with the discharging mechanism to perform regular feeding on the aquaculture tank body, which replaces manual feeding, reduces the labor intensity, and effectively improves the feeding efficiency; a miniature hydraulic cylinder is regularly started and controlled through a set cycle timing switch, so that the miniature hydraulic cylinder drives a baffle plate to close a discharging port regularly so as to regularly and quantitatively perform feeding on the aquaculture tank body to avoid the situation of uneven feeding.

The invention discloses an intelligent and automatically controlled rotary gripping device on a mechanical arm. The device comprises a gripping platform, a rotary gripping fixing device is arranged below the gripping platform, a rotary driving device is arranged above the gripping platform, and a telescopic support device is arranged above the gripping platform. A controller is arranged outside the gripping platform, a signal receiving end of the controller is in electrical connection with an infrared distance measuring sensor and a pressure detection device, and a power output end of the controller is in electrical connection with a miniature hydraulic oil pump, a miniature hydraulic electromagnetic valve, a rotary driving device and the telescopic support device. The intelligent and automatically controlled rotary gripping device has advantages of simple structure and high practicality.

The invention discloses a rotatable electro-hydraulic-driving dental treatment chair. The treatment chair comprises a base, the base is fixedly mounted on the ground, and a hydraulic driving device isarranged on the base; a backrest regulation device is arranged in a rotation platform device, a controller is arranged outside the base, and the power output end of the controller is electrically connected with a miniature hydraulic oil pump, a hydraulic electromagnetic valve and the backrest regulation device. The rotatable electro-hydraulic-driving dental treatment chair has the advantages of simple structure and high practicability.

The invention relates to a miniature hydraulic garage, comprising two layers on the ground, wherein each layer has two spaces. The garage is simple lift type solid parking equipment with independent structure and control. The garage comprises a support mechanism, front and rear parking boards, a lifting arm mechanism, a dynamic control mechanism and a steel wire synchronous mechanism. The steel wire synchronous mechanism realizes synchronization of two lift cylinders; the parking boards are in horizontal state when on the ground, so that parking is convenient, while the parking plates are lifted, the parking space for the next space is increased. The garage adopts self-locking of a connecting rod type lifting arm instead of a safe hook, when the parking board is lifted to a right position, the included angle between the connecting rod and the lifting arm exceeds 180 degrees to form self locking. The miniature hydraulic garage has the characteristics of more convenient vehicle storage and pickup and simpler operation, has safer and more reliable structure, and can meet the requirement of different users.

The invention discloses an automatically-adjustable medical oxygen inhalation device, which comprises an oxygen bottle body and a mounting base at the bottom of the oxygen bottle body. A heating device is arranged in the mounting base, the upper end of the oxygen bottle body is provided with an oxygen control valve, one side of the oxygen control valve is connected with a humidifier through an oxygen pipeline, and a humidifying device is arranged in the humidifier. A regulating device is arranged in a regulator which is connected with one side of the humidifier through a first oxygen supply pipeline, one side of the mounting seat is provided with a power interface, and a controller is mounted on one side of the oxygen bottle body. A signal output end of the controller is electrically connected with signal input ends of an electric heating wire, a steam generator, a temperature sensor, an ultrasonic atomizer, a humidity sensor and a miniature hydraulic oil cylinder. The automatically-adjustable medical oxygen inhalation device has advantages of simple structure and high practicality.

The invention relates to an indexing and clamping device for a numerically-controlled large spiral bevel gear broaching machine. The device comprises an indexing mechanism driven by a servo motor, and is characterized by further comprising a hydraulic clamping mechanism. The hydraulic clamping mechanism comprises a workpiece clamping part and a main shaft clamping part, wherein the workpiece clamping part comprises a miniature hydraulic piston cylinder fixedly connected with one end of a workpiece main shaft; a piston rod of the miniature hydraulic piston cylinder is extended out of a cylinder body and into the workpiece main shaft; the head part of the piston rod is connected with a tension rod; the main shaft clamping part comprises a hydraulic cylinder sleeved outside the miniature hydraulic piston cylinder; a friction plate fixed with one end of the workpiece main shaft is arranged in the hydraulic cylinder; and a piston piece is arranged between the friction plate and the hydraulic cylinder. The device has the advantages that: a numerically-controlled indexing and auxiliary indexing damping device and an indexing hydraulic clamping device are adopted, so the indexing operation of a lathe is smoother, accurate and reliable, the slight reciprocation of a workpiece in a cutting process is avoided and gear machining accuracy is improved; and a large gear can be machined and the requirements for small quantities and many varieties in the industrial production of automobiles are met.

A miniature hydraulic spreader consists of an oil cylinder, a quick connector, a wedge block and left and right spreading arms, wherein the oil cylinder is connected with a power source through the quick connector, the piston end of the oil cylinder is connected with the wedge block, the left and right spreading arms are connected with the surface of the oil cylinder through a rotary shaft, the oil cylinder is a single-acting oil cylinder and is reset through a built-in reset spring, the left and right spreading arms are of thin duck mouth structures, and a reset spring is arranged between theleft and right spreading arms. The miniature hydraulic spreader adopts the single-acting oil cylinder, does not need a reversing device and is simple in structure, small in size and suitable for rescue work in a narrow space. The spreading arms adopt the thin duck mouth design, and a wedging gap is smaller. The spreading arm reset spring is arranged between the two spreading arms, the spreading arms are automatically reset to a closing state, the resetting speed of a piston is improved, and the working efficiency is improved.