104results about How to "Large transmission force" patented technology

The invention relates to a cutting machine, in particular to a belt cutting machine. The belt cutting machine comprises a frame, a driving motor, a transmission mechanism, a cutter device and a feeding device, wherein the driving motor drives the cutter device and the feeding device to work through the transmission mechanism; the feeding device comprises a first feeding wheel, a second feeding wheel and a third feeding wheel which are parallel to one another, an elastic part and the like; at least one of the first, second and third feeding wheels is a driving feeding wheel; the third feeding wheel is pulled or pressed towards the first and second feeding wheels by the elastic part, so that the first and second feeding wheels are matched with the third feeding wheel respectively; and belts are pressed among the third feeding wheel and the first and second feeding wheels. Compared with the prior art, the scheme of the invention has the advantages that: the driving force of the feeding wheels on the belts is doubled, and the belts are more difficult to slip, so feeding length consistency is ensured; and the third feeding wheel is pulled or pressed towards the first and second feeding wheels by the elastic part, so the gaps among the feeding wheels do not need to be adjusted, which is convenient and reliable.

The invention discloses a modular flexible cable parallel-connection mechanism experimental platform. The modular flexible cable parallel-connection mechanism experimental platform comprises an annular guide rail. Six sets of bases are assembled on the annular guide rail in a sliding mode. A hydraulic cylinder is vertically installed at the radial inner end of the top surface of each base, and a fixed pulley is rotationally installed at the upper end of a piston rod of each hydraulic cylinder. A winch driven by a hydraulic motor is installed on the top surface of each base, and flexible cables on shafts of the winches wind across the corresponding fixed pulleys upwards and then extend to the center of the annular guide rail. An end effector is arranged above the center of the annular guide rail. The end of each flexible cable is connected with a hook through a shearing type mechanism with a spring and grasps a hook ring in the corresponding position of the end effector through the hook. The surface, facing the upper portion of the center of the annular guide rail, of each hydraulic cylinder is hinged to a connecting rod-sliding block mechanism. Through a self reconstruction method of the modular flexible cable parallel-connection mechanism experimental platform, the kinematic and dynamic performance of two-to-six freedom degree flexible cable parallel-connection mechanisms with different configurations can be researched conveniently.

The invention discloses a uniwafer three-disk magnetic rheological clutch which comprises a drive shaft (1), a driven shaft (2), a drive disk (11), a magnet exciting coil (4), a magneto rheological left disk channel (9), a magneto rheological right disk channel (8), a magneto rheological circular channel (7), a left shell (14), a left driven member (15), a right shell (17), a right driven member (16), a drive disk magnetism-isolating copper ring (10), a driven member magnetism-isolating copper ring (5), an angle contact ball bearing (3), a thrust ball bearing (12), a magneto rheological liquid (20) and a sealing device, wherein the drive disk (11) is positioned in a cavity surrounded by the left driven member (15), the right driven member (16) and a driven connecting member (6), and the magneto rheological liquid is filled in the cavity; and magnetic fields vertical to three disk surfaces of the drive disk (11) pass through the same, which can more effectively develop magneto rheological effect. The invention overcomes the defects of slow response, easy abrasion, large noise, more heat generation, unstable control and the like of the traditional clutch, and has the advantages of smaller volume, bigger drive torque, simpler structural design and less power consumption compared with the traditional magneto rheological clutch.

The invention relates to a planetary gear continuously variable transmission, which comprises a box body in which a dual planetary gear train and an ordinary gear train are installed, and is characterized in that the ordinary gear train comprises a speed control gear I, a speed control gear II, a speed control gear shaft and a continuously variable transmission device, and the dual planetary gear train comprises an input shaft, a central gear I, a planetary gear I, a tie bar I, planetary axles, an output shaft, a central gear II, a planetary gear II and a tie bar II; the tie bar I is supported on an input flange, is provided with external cylindrical teeth and is externally meshed with the speed control gear I of the ordinary gear train, and the tie bar II is supported on an output flange, is provided with external cylindrical teeth and is externally meshed with the speed control gear II of the ordinary gear train; the planetary axles are respectively supported in the tie bar I and the tie bar II, and the planetary gear I and the planetary gear II are respectively and externally meshed with the central gear I and the central gear II; and the size parameters of the speed control gears I and II are same, and the size parameters of the external teeth of the tie bar I and the tie bar II are same. The invention solves the problems that the existing single planetary gear chain uses an eccentric output mechanism and has insensitive speed control.

The invention relates to a level type transportation device for large flowerpots, belonging to the field of living furniture. The level type transportation device is composed of a handle, a gear connecting bolt, a gear, a support frame, a clamping plate, a clamping rod, a clamping hand, a clamping hand connecting bolt, a wheel and a support rod, wherein the handle is connected behind the gear, the gear is arranged on the support frame by the gear connecting bolt, the clamping rod is fixedly connected in front of the gear by a bolt, the clamping plate is sheathed on the clamping rod, the clamping hand is fixedly connected in front of the clamping rod by the clamping hand connecting bolt, the support rod is connected under the support frame, and the support rod is articulated on the wheel. The level type transportation device can achieve self-locking of the clamped flowerpots, so that the flowerpot is convenient to transport and the working efficiency is improved.

The invention discloses a connection release device for an escape capsule. The connection release device comprises a workstation docking fence connected with a deep sea mobile workstation, wherein an escape capsule docking fence is arranged on the top of the workstation docking fence through a locking ring; an escape capsule is arranged on the top of the escape capsule docking fence; multiple first flange structures are uniformly distributed on the outer circumferential surface of the locking ring; the first flange structures comprise clamping grooves formed in the upper part; grooves are formed in the lower parts of the clamping grooves; lower locking blocks are arranged in the grooves through first bolts; multiple third flanges connected with the clamping grooves in a matched mode are uniformly distributed on the inner side of the escape capsule docking fence along the peripheral direction; multiple second flanges are uniformly distributed on the inner side of the top of the workstation docking fence along the peripheral direction; upper locking blocks connected with the lower locking blocks in the matched mode are fastened on the second flanges through second bolts; the upper locking blocks and the lower locking blocks are arranged in an opposite matched mode and are positioned in the grooves; a cylinder is arranged on the inner side of the workstation docking fence; the head of a piston rod of the cylinder is hinged with a lower end surface of the locking ring; the cylinder is connected with a power device. The connection release device is reliable in operation.

The invention discloses an electric garage collecting transport vehicle which comprises a garbage collecting transport vehicle body provided with a garbage storage box, the garbage collecting transport vehicle is provided with a turnover collecting device and a lifting discharging device. A garbage dumping port is formed in the top of the garbage storage box, a garbage discharging port is formed in one side, opposite to a garbage collecting transport vehicle cab, of the garbage storage box, the turnover collecting device is arranged on one side of the garbage storage box, and the lifting discharging device is arranged between the garbage storage box and a garbage collecting transport vehicle chassis. The turnover collecting device turns over and the lifting discharging device raises and falls with a hydraulic station as a power source, force is easy to transmit, the transmission force is large, the structure is simple, using is convenient, working efficiency is greatly improved, and the working environment is improved.

An automatic exchange apparatus for the swinging-arm workpiece trays is composed of exchange system, hydraulic drive system, pneumatic control system and electric control system. Its mechanical structure is composed of base, rotary trays, shallow and deep locating sleeves for rotary tray, rotating mechanism, pedal pin, bench locating axle, interlock unit, are with rotating gear, single-tooth swinging cylinder, limiting signaling unit, pin driving cylinder, etc.

The invention relates to a horizontal solid wood board slicing sawing machine, which comprises a stand, a hood, a dust collection device, a pipeline, conveying devices and a cutting device, wherein the hood is fixedly arranged at the upper end of the middle part of the stand; the conveying devices are transversely and coaxially arranged on the inner upper part of the stand; the cutting device is arranged on the hood and the stand between the conveying devices, is connected with a driving device, and is structured in a way that a plurality of blades are fixedly arranged in a cutter frame at an equal interval; a plurality of pressure rollers are arranged at intervals in the hood on the two sides of the cutting device; a dust hood is arranged at the top of the hood above the cutting device; the dust collection device is connected to and arranged at the upper end of the dust hood; the pipeline is connected to the dust collection device. The horizontal solid wood board slicing sawing machine is simple in structure, scientific in design, uniform in pressure and high in machining efficiency and machining accuracy, the smoothness of a product is improved, the labor intensity of a worker is effectively reduced, and the production efficiency is improved.

The invention discloses a centering mechanism which comprises a frame. The frame is provided with a rack shaft capable of axially moving, the rack shaft is connected with the end of a piston rod, and an oil cylinder matched with the piston rod is fixedly connected to the frame. The frame is connected with a first swinging arm and a second swinging arm through a rotating shaft, the first swinging arm is opposite to the second swinging arm, the end of the first swinging arm and the end of the second swinging arm are connected with pressing heads, the other end of the first swinging arm is provided with teeth meshed with a rack on the rack shaft, the frame is provided with a transitional gear meshed with the rack on the rack shaft through a rotating shaft, the other end of the second swinging arm is provided with teeth meshed with the transitional gear, and a guide sleeve is arranged between the rack shaft and the frame. The centering mechanism is simple in overall structure and capable of bearing large transmission force, and centering is carried out easily and accurately with small errors.

The invention relates to a small-sized wet spinning device. The device comprises a spinning solution conveying machine, and a spinneret orifice, a coagulating bath and a winding roller which are connected with an outlet of the spinning solution conveying machine, wherein the spinning solution conveying machine consists of a spinneret hydraulic cylinder, a piston, a screw and a screw motor; a spinneret is fixed at the lower end of the spinneret hydraulic cylinder; the spinneret orifice is formed in the spinneret and communicated with an inner space of the spinneret hydraulic cylinder; a check valve is arranged at the upper end of the spinneret orifice on the spinneret; and the coagulating bath consists of a coagulating bath groove. In the small-sized wet spinning device, the conveying machine consists of the spinneret hydraulic cylinder, the screw, the piston and the screw motor, and the check valve is arranged between the spinneret hydraulic cylinder and the spinneret orifice, so spinning solution can be sprayed from the spinneret orifice when the pressure of the spinning solution is increased to a certain value; the screw motor, a motor of a drawing roller and a motor of the winding roller are connected with a controller; the rotating speed and rotating direction of each motor can be controlled respectively; and silks with certain drawing ratio and fineness can be obtained according to the experimental requirement.

A mobile lighting tower based on bevel gear drive comprises a mobile trailer and a guide wheel assembly, wherein a tow rod is arranged at the front end of the mobile trailer and is provided with two matching portions; the guide wheel assembly is connected with the tow rod and comprises a support, a supporting rod, a wheel shaft, wheels and a motor; the support comprises a base body and two supporting arms connected with the base body; one end of the supporting rod is in rotary connection with the base body; the other end of the supporting rod is in rotary connection with the tow rod; a positioning portion is arranged at the end, connected with the tow rod, of the supporting rod; the positioning portion and the two matching portions are matched selectively so as to position the supporting rod; one end of the wheel shaft is provided with a first bevel gear which is coaxially connected with the wheel shaft; the wheels are fixedly arranged on the wheel shaft in a sleeved mode; the motor is installed on the support; a drive shaft of the motor is provided with a second bevel gear which is coaxially connected with the drive shaft of the motor, so that the drive shaft of the motor drives the second bevel gear to rotate; the second bevel gear and the first bevel gear are meshed. The mobile lighting tower not only can move at a long distance conveniently, but also can move at a short distance conveniently.

The invention discloses a full-automatic lock. The full-automatic lock comprises a lock box, a side panel, a main spring bolt assembly, an inclined bolt assembly and a gear case; a containing space isformed between the lock box and the side panel; the main spring bolt assembly, the inclined bolt assembly and the gear case are installed inside the containing space; through holes allowing a main spring bolt and an inclined bolt to extend out are formed in the side panel; a motor, a tank, a drive gear set and a rack board are arranged on the gear case; and on the one hand, the drive gear sets drives the rack board to move to control the main spring bolt assembly to be locked/unlocked, and on the other hand, a power output wheel rotates to drive a second gear in the inclined bolt assembly, then a second inclined bolt shifting fork is dragged to rotate to lift up or press a first drive piece or a second drive piece, the inclined bolt retracts or extends out of the side panel to be controlled by the motor, and full-automatic control over the lock is achieved. Besides, the motor of the full-automatic block is arranged inside the lock box, the outer space is not occupied, the appearance of the lock is regular, the lock is easy to mount, and the lock can be made smaller and thinner.

The invention discloses wallpapering equipment having an automatic gluing function. The wallpapering equipment comprises a base; a lifting frame is arranged at the upper end of the base; a lifting mechanism is arranged between the rear end of the lifting frame and the base; a moving mechanism for wallpapering is arranged inside the lifting frame; a power mechanism for driving the moving mechanismto move is arranged at the rear end of the base; a gluing mechanism for gluing wallpaper is arranged inside the moving mechanism; and the wallpapering equipment disclosed by the invention implements gluing of the inner side of the wallpaper during wallpapering, so that the operation steps of a user are simplified, and the work efficiency is improved.

The invention discloses a carrier for a car carrying board for a board exchange mechanical garage. The carrier comprises a frame, a walking mechanism and a lifting mechanism. Guide wheels are arranged on the four corners of the frame. The walking mechanism comprises a walking servo motor, a walking reducer and a rolling wheel device. The rolling wheel device comprises a front walking wheel set and a rear walking wheel set. An output shaft of the walking reducer is sleeved with walking reduction chain wheels. The walking reduction chain wheels are connected with three rows of chain wheels through chains in a transmission manner. The three rows of chain wheels are further connected with first rear walking chain wheels and double rows of chain wheels through chains in a transmission manner. The double rows of chain wheels are further connected with first front walking chain wheels through chains in a transmission manner. The lifting mechanism comprises a lifting servo motor, lifting gear seats, lifting gears, lifting racks, a lifting transmission shaft and a lifting chain wheel. According to the carrier, an alternating-current servo motor system is adopted, the driving force is large, the operating speed is high, stability is high, and accurate control over the movement distance can be achieved so that the car carrying board can be carried to a parking space quickly and accurately.

The invention discloses a pneumatic robot system capable of adapting complex terrain. The pneumatic robot system is composed of a plurality of obstacle surmounting supporting legs, a plurality of wheel supporting legs, and a plurality of mechanical arms, and has the functions such as fully adapting to the complex terrain and obstacle surmounting and explosion discharging. A pneumatic robot is mainly composed of a rotating air cylinder, a structural part, a worm, a worm wheel, a crawler belt, wheels, a connecting part and a linear air cylinder. Coordination of the wheel supporting legs can realize normal wheeled movement of the whole robot, and the multiple wheel supporting legs can be used for the conditions of the relatively flat ground and the high speed requirements; the obstacle surmounting supporting legs can coordinate and realize the two working states of the crawler belt and a multi-legged crawler belt robot; coordination of the wheel supporting legs and the first obstacle-surmounting supporting legs can realize obstacle-surmounting work such as steps; the mechanical arms can be used for completing other tasks such as explosion discharging; and joints adopt cooperation of the rotating aircylinder, the worm wheel and the worm and the linear air cylinder to drive. The pneumatic robot system capable of adapting the complex terrain is driven by pneumatic operation, has thecharacteristics of the compact structure, the clean and good explosion-proof properties, and can be used for teaching, obstacle surmounting and explosion discharging.

The invention relates to a mechanical carrying device for transporting articles, in particular to a mechanical carrying device which comprises a support and a motor. The motor is mounted on the support, a lead screw and a polished rod are further mounted on the support, a lead screw nut is sleeved on the lead screw, a slider is sleeved on the polished rod, the lead screw is parallel to the polished rod and is in transmission connection with the motor by a synchronous belt, the lead screw nut is connected wit the slider by a linkage lever, and a support rod is further arranged between the lead screw nut and the slider. The single lead is used for transmission, the linkage lever between the lead screw nut and the slider drives the slider on the other side of the linkage lever to move vertically, the mechanical carrying device is simple in structure and low in cost, is abrasion-resistant, and is high in transmission force, stable in movement and low in friction resistance owing to the single driving motor, and rotation is converted into linear movement. Besides, extending lengths and extending and retracting speeds of mechanical arms are adjusted by the aid of clockwise rotation and anticlockwise rotation of the motor. In addition, force generated by the lead screw nut can be effectively transmitted to the slider by a diagonal bracing, and labor can be effectively saved when the mechanical carrying device is used for carrying articles.

The invention discloses a double-side optical disc turning device, and the device comprises a grabbing mechanism and a mechanism. The grabbing mechanism comprises a grabbing arm, and the grabbing arm is used for the clamping and unloading of the optical disc. The turning mechanism is used for driving the grabbing mechanism to rotate. Correspondingly, the invention also discloses a method employing the device to turning the optical disc. According to the invention, the volume of the device is about equal to the volume of a standard optical disc, and the device is small in size. Moreover, the device can serve as a unit for installation and replacement, and is simple and reliable in structure. The method can completely liberate two hands, achieves the automatic reading of a two-side optical disc, prevents manual operation from scrapping the surfaces of the optical disc so as to avoid data damage and loss, and improves the efficiency of automatic reading of the two-side optical disc.

The invention discloses a vehicle seat safety device which comprises a seat. The vehicle seat safety device is characterized in that press arms are arranged on two sides of the seat and connected through a rotating shaft and can rotate upwards and downwards or leftwards and rightwards around the rotating shaft, and a locking device is connected on each press arm and can limit rotating of the corresponding press arm. A flexible fixing mode of existing vehicle safety belts is changed into rigid fixing; after drivers and passengers adjust the press arms to proper positions, the press arms are fixed and kept still and stably fix the passengers in seats, and life safety of the drivers and the passengers can be protected even if accidents occur.

The invention discloses a bicycle hub ratchet wheel structure which comprises a hub, a ratchet ring, a sleeve and ratchet pawl groups, wherein the ratchet ring is connected with the hub; a boss is arranged at a first end of the sleeve; arc grooves and first embedded grooves are formed in the boss; each ratchet pawl group comprises a plurality of pawls and pawl springs arranged on the pawls in a clamping manner; first tooth parts, first tooth parts and second embedded grooves are arranged on and formed in the pawls; the pawls are arranged in the arc grooves; the pawl springs are clamped in the first embedded grooves and the second embedded grooves; and at least two ratchet pawl groups are arranged in the arc grooves and the first embedded grooves of the sleeve side by side, and are arranged in a staggered manner. The structure can realize an instant driving function on the premises that the volume and the weight of the hub are not increased and the structural strength of the ratchet ring is not affected.