62results about How to "High force transmission efficiency" patented technology

The invention discloses a turbine blade vibration test tool and a turbine blade clamping method, the vibration test tool comprises a main body, the main body is internally provided with an opening alignment chute inner cavity and a force application step hole, the included angle of the opening alignment chute inner cavity is the same as the included angle of blade tenon teeth, and the opening alignment chute inner cavity is used for placing a clamping block; the clamping block is provided with a clamping mortise and a large arc transition hollow elastic section, one end of the clamping block is provided with a threaded hole communicated with the hollow elastic section, and the threaded hole is used for installing a stress application screw. The other end of the connecting rod is connectedwith the nut; the stop block tightly abuts against the tenon bottom of the blade under the action of the adjusting bolt. The stress application screw penetrates through a stress application stepped hole in the main body and extends into the threaded hole of the clamping block, the stop block penetrates through the main body and the clamping block, and an adjusting bolt used for adjusting the position of the stop block is installed on the main body. According to the structure, the blade tenon is fixedly held through the combined action of pressing and jacking, so that the attachment area of thetenon tooth surface of the blade and a tool mortise is large, the contact is uniform, the fixedly holding rigidity is high, and the consistency is good.

In an analog input device, a rubber member is provided between a key top and a movable electrode of an analog-quantity generating unit. A dead zone can be removed or reduced by forming a bottom portion of the rubber member of a flat or curved face. Furthermore, since first round surfaces are connected to an outer side face, the linearity of the input (e.g., a load)-output (voltage) characteristic can be enhanced.

The invention provides a planet-gear torque converter, solving the technological default of hydraulic torque converter. Dual planetary gear system is made of A, B two individual planet-gear rows and locking clutch. The torque on inputting shaft is transmitted to inner gear and central gear of planet-gear and divided into two same forces, which is transmitted to inner gear and central gear of another planet-gear row respectively. By changing the gear number of central gear or inner gear of anther row (single or double), one force is controlled more than another. Larger force is active force and in the same direction with inputting power. Smaller force is passive force and in the reverse direction with inputting power. Planet-gear rotates with the revolution and autogiration, meanwhile the speed of revolution is decreased and output torque is enlarged. The invention is provided with no fire damage, simple and compact structure, stable working and so on.

The invention provides a device for grabbing steel in a pneumatic manner. The rear end of a base is connected with two wheels which can roll on the ground but can not turn. The front end of the base is connected with steering wheels, wherein direction rotation of a trolley can be achieved through the steering wheels. A rotating table is connected to the base and connected with the base through a rotating motor, the rotating table can circumferentially rotate, and therefore the device can more flexibly, easily and conveniently move. A holding rod is fixed to the rotating table so that a worker can hold the holding rod to operate the device. A gas pressure generation device is arranged at the front end of the holding rod and supplies gas to a pneumatic cylinder so that the telescopic length of the pneumatic cylinder can be controlled. A support is fixed to the central position of the base. A swing rod is connected with the support through a hinge. The swing rod and the support can rotate and move relatively. Meanwhile, the tail of the telescopic pneumatic cylinder is connected with the support through a hinge, a top rod and the swing rod are connected through a hinge, and therefore movement, in the vertical plane, of the swing rod can be controlled by the telescopic pneumatic cylinder through the telescopic length of the telescopic pneumatic cylinder, and gripper jaws pick up steel through stretching and clamping.

A efficient driving tool for driving a screwing device, comprises: a driving head extending from the shank; the driving head having a receiving hole with a ratchet ring received therein; one lateral side of the driving head having a receiving groove. The ratchet ring has an engaging hole with a teeth set therein. A recess between two adjacent teeth is formed by two small arcs and one large arc; the large arc is at a bottom section of the recess and two small arcs are at tops of the recess. A straight section is between each small arc and the large arc; a section between two small arcs of two adjacent recesses is a transversal section which is a straight line. The screw device is one of a spanner and a socket.

The invention belongs to the technical field of automobile bodies, and relates to an automobile body rear force transmission structure and an automobile, and the automobile body rear force transmission structure comprises a rear suspension mounting piece, a rear wheel cover internal reinforcing plate, a rear wheel cover front joint, a rear wheel cover rear joint, a rear wheel cover external reinforcing plate, a rear wheel cover inner plate, a rear wheel cover outer plate and a rear longitudinal beam joint. According to the automobile rear force transmission structure, an H-shaped force transmission channel in the inner side covers the rear suspension stress area and dispersedly transmits force to the rear longitudinal beam joint, the rear floor cross beam, a spare tire pool cross beam andthe upper portion of the rear side wall, and the force transmission efficiency of the rear suspension area (especially a three-connecting-rod rear suspension area) is greatly improved; and the dynamicstiffness, the NVH performance and the fatigue durability of a rear shock absorber area are improved. The automobile body rear force transmission structure is suitable for an automobile model with asteel-aluminum hybrid automobile body matched with a three-connecting-rod rear suspension. Under the condition that a floor frame beam structure is not added, after the automobile body rear force transmission structure is adopted, the weight of the automobile body can be reduced by about 3 kg.

A slat tilting device for tilting slats of a window covering includes a mounting seat having a horizontal surface and a bearing wall for rotatably supporting a journal segment about a first rotating axis that extends rearwardly and downwardly toward the horizontal surface. The journal segment is connected to a driving shaft and a pulley roller. A driven wheel is rotated by the driving shaft so as to drive a tilt shaft to turn, thereby tilting the slats. An operating cord is wound on the pulley roller, and has two pulled segments that extend downwardly and that are pulled to result in rotation of the pulley roller so as to enable the driving shaft to turn the tilt shaft. A joined gripped end of the operating cord is disposed forwardly and away from the slats to avoid hindrance caused by the slats during the pulling operation.

The invention relates to a positioning device and battery swapping equipment. The positioning device comprises a positioning part and a power part connected with the positioning part, the positioningpart comprises a first gear, a second gear and a positioning pin; the first gear is connected to the power part and drives the first gear to rotate; the second gear is vertically meshed with the firstgear which drives the second gear to rotate; the second gear is provided with an axial through hole, the positioning pin is arranged in the axial through hole, and when the second gear rotates, the second gear drives the positioning pin to move vertically. The positioning device is simple in structure, small in occupied space and easy to install and replace.

The invention relates to a surgical robot, a surgical instrument and a force transmission device. The surgical robot comprises a mechanical arm, a power system and the force transmission device, the power system is arranged on the mechanical arm and is in transmission connection with the force transmission device, the surgical instrument comprises a telescopic rod, an end effector and the force transmission device, the near end of the telescopic rod is connected with the force transmission device, the force transmission device is used for driving the telescopic rod to translate so as to actuate the end effector to move; the force transmission device comprises a driving module, a force transmission module and an actuating module; the force transmission module is connected with the driving module and can be driven by the driving module to execute preset movement; and the actuating module is connected with the force transmission module, can be driven by the force transmission module to execute the target motion, and is used for being in rigid contact with the surgical instrument and actuating the telescopic rod of the surgical instrument to translate. The force transmission efficiency can be improved, the motion control precision can be improved, the force transmission structure can be simplified, and the assembly and manufacturing difficulty of force transmission can be reduced.

The invention relates to a driving device of a gas-electric hybrid vehicle. The driving device comprises an electromotor and an engine, wherein the output shafts of the electromotor and the engine are fixedly connected with a left half shaft and a right half shaft of a first differential mechanism respectively, an unilateral bearing is arranged on each of the left half shaft and the right half shaft of the first differential mechanism, and a driven gear on the first differential mechanism gear rack is connected with a variable-speed gear. The driving device is reasonable in structure design, convenient to use, high in force transmission efficiency, small in energy loss, quick and convenient in power switching, small in switching noise and size and low in costs.

The invention relates to a barrier gate machine core device with efficient transmission and high adjustability. The barrier gate machine core device comprises a motor crank, a guiding rod and a transmission main shaft; and the first end of the motor crank is fixedly connected with an output shaft of a speed reducing motor, the second end of the motor crank is hinged to the guiding rod, the transmission main shaft comprises a first shaft part and a second shaft part, a sliding block supporting seat is arranged between the first shaft part and the second shaft part, the guiding rod is slidably connected with the sliding block supporting seat, the motor crank rotates and drives the guiding rod to swing, the guiding rod drives the sliding block supporting seat to push the transmission main shaft to swing between the first limit position and the second limit position, and a gate rod is connected with the transmission main shaft to realize swing between the horizontal direction and the vertical direction. According to the barrier gate machine core device, the force transferring efficiency of a barrier gate machine core and the stability of a rack can be improved, the motion gap is small,the life of a speed reducer is obviously prolonged, the cost is low, thus the production cost of a barrier gate is finally lowered, the using stability of a barrier gate machine is improved, and thelife of the barrier gate machine is prolonged.

The invention relates to a pipe flow velocity sensor and an application method thereof. The pipe flow velocity sensor comprises a substrate, the substrate comprises a support plate and fixing surfaces on both sides of the support plate, and the support plate is fixedly provided with a spoiler array; the spoiler array comprises a fixing substrate and a plurality of spoilers vertically fixed onto the fixing substrate; the fixing substrate of the spoiler array is adhered to the support plate; the fixing substrate is provided with a plurality of pressure sensors; the upper portion of the support plate is provided with a closing case, the edge of the closing case and the support plate are connected in a closed mode; an expansion cavity is formed between the closing case and the support plate and filled with high-pressure inert gas. The pipe flow velocity sensor also comprises a data processing circuit; the data processing circuit comprises converters connected with the pressure sensors for converting data of the pressure sensors into electrical signals, and data processors connected with the converters of the pressure sensors for computing and converting the electrical signals output by the converters.

A toggle-lever reinforcement bidirectional-clamping hydraulic fixture based on a hydraulic cylinder mainly comprises lever pressure plates, two toggles, a cylindrical roller, a rodless piston, hydraulic oil, and a reversing valve. The fixture is characterized in that the rodless piston is provided with a cylindrical radial hole, the cylindrical roller is fitted into the radial hole through an appropriate clearance, one end of the toggle I is connected with the cylindrical roller, the other end of the toggle I is connected with the lever pressure plate I, one end of the toggle II is connected with the cylindrical roller, and the other end of the toggle II is connected with the lever pressure plate II. The toggle-lever reinforcement bidirectional-clamping hydraulic fixture based on the hydraulic cylinder has the advantages that force transmission efficiency is improved, service lives of related moving parts are prolonged, the fixture is balanced and simplified structurally, a bidirectional floating function is achieved by placing the cylindrical roller into the cylindrical radial hole, and friction loss is low.

The invention relates to a novel composite piston structure for a hydraulic cylinder. The novel composite piston structure comprises pressure-bearing surfaces, bearing tables, positioning rings, elastic sealing rings, a main bearing column, auxiliary bearing columns and pressure-bearing springs; and the bearing tables are symmetrically distributed at the two ends of the main bearing column aroundthe axis of the main bearing column, the positioning rings are wrapped outside the bearing tables, the pressure-bearing surfaces are mutually connected with the front end surfaces of the bearing tables through the pressure-bearing springs, and the auxiliary bearing columns are uniformly distributed around the axis of the main bearing column and are connected with the rear end surfaces of the two bearing tables correspondingly. According to the novel composite piston structure, on the one hand, the flexibility of the piston structure can be effectively improved, the self weight of a piston canbe reduced, and the fault repairing efficiency and the replacing capacity of parts of piston equipment can be effectively improved; and on the other hand, the use requirements of multiple hydraulic cylinder bodies with different structures can be effectively met, the movement efficiency of the piston in the hydraulic cylinder can be effectively improved, the movement resistance is reduced, the force transmission efficiency is improved, and therefore, the purpose of reducing the operation energy consumption is achieved.

The invention relates to complete equipment for transverse large-diameter hole forming in a soft coal seam coal pillar area and a hole forming technology. The complete equipment comprises a high-torque drilling machine, a holing drilling tool and a reaming drilling tool, wherein the high-torque drilling machine comprises a guide rail assembly, a stable drilling support assembly and a drilling androtating device; the stable drilling support assembly is installed on a large rotation plate of the high-torque drilling machine to provide support for a drilling machine in the drilling process; thedrilling and rotating device is installed on the guide rail assembly, and drives the holing drilling tool to rotate according to the drilling process to achieve high-speed drilling or driving the reaming drilling tool to rotate to achieve low-speed high-torque back reaming; the guide rail assembly is installed on the stable drilling support assembly, can adjust the drilling position and directionof the drilling and rotating device and provide required pulling force for back reaming of the drilling and rotating device. The hole forming technology comprises a holing process and a back reaming process. The problems of difficult operation, low efficiency, low hole forming rate, high labor intensity and the like in transverse large-diameter hole forming in the soft coal seam coal pillar can beeffectively solved.

The invention discloses a damping device and a device including the damping device, and belongs to the technical field of kitchen appliances and components and parts, and the damping device and the device including the damping device are designed to solve the problems of complex structures in an existing damping device and the like. The damping device comprises a shell cover used for fixing and installation, a sealing cover used for defining an enclosure space with the shell cover, and an inner core used for transferring rotating force with a hinged shaft. The outer wall of the inner core is provided with an inner core protrusion, a slot is formed in the outer wall of the shell cover, and an elastic sheet is formed in the slotting portion; the elastic sheet is aslant to the inner portion of the shell cover, and when the inner core rotates to a setting position, the inner core protrusion squeezes the elastic sheet, and the elastic deformation occurs on the elastic sheet. The damping device and the device including the damping device are simple in structure, require less parts, and are convenient to use, high in the damping force transmission efficiency and long in service life.

The invention provides a self-adaptive assembled multistage adjustable blade operating mechanism which is mounted on a cartridge receiver. The self-adaptive assembled multistage adjustable blade operating mechanism comprises a front mounting seat, a back mounting seat, a torsion bar cross beam, a driving end and a multistage driven mechanism. The front mounting seat and the back mounting seat areseparately mounted at two ends of the cartridge receiver, and the torsion bar cross beam is mounted between the front mounting seat and the back mounting seat; one end of the driving end is connectedto a hydraulic actuating barrel while the other end of the driving end is mounted on the torsion bar cross beam and the driving end is driven by the hydraulic actuating barrel to drive the torsion barcross beam to rotate, and the driving end can slide relatively along the axial direction of the torsion bar cross beam. One end of the driven mechanism is mounted on the cartridge receiver while theother end of the driving mechanism is mounted on the torsion bar cross beam and the driven mechanism is driven by the torsion bar cross beam. As the included angles between the driving end of the torsion bar and the driven ends of stages are adjustable, changes of adjusting angles and ranges of adjustable blades of stages are adapted greatly. The positions of the driven ends of stages are adjustedself-adaptively, so that the force transmission efficiency of the operating mechanism is improved and intervention among parts is avoided.