10results about How to "Uniform torque" patented technology

The utility model discloses large -scale oil cylinder piston and piston rod's locking assembly fixture, including assembly drive arrangement, and assembly drive arrangement is provided with the central shaft, and the outside rotation cooperation of central shaft has the rotary element, and the cooperation end of rotary element is used for installing the piston, and the cooperation hole of central shaft can be inserted to the assembly of the assembly end of piston rod, and the cooperation hole is coaxial arrangement along the central axis of piston rod, when assembling, the vertical placement of piston rod makes its assembly end end face upward, and the upper coaxial sleeve of piston rod installs the piston, and the cooperation hole can form the circumferential limiting force and vertical support force of around its axis to the inserted part of central shaft, when the rotary element rotates relative to central shaft, can drive the rotation of piston relative to piston rod, and makes the assembly hole of piston can be screwed with the external thread of piston rod assembly end and is locked together, the utility model discloses can realize more accurate and smooth locking assembly with the aid of the dead weight of piston and piston rod, and then improves the assembly efficiency.

The embodiment of the utility model discloses an unmanned aerial vehicle drive circuit, which comprises a flight control system, a driver group, a temperature sensor group and a motor group, and is characterized in that the flight control system is connected with the motor group through the driver group, the output ends of motors in the motor group are connected in parallel through output shafts, and the temperature sensor group is connected with the temperature sensor group. The temperature sensor group is arranged between the driver group and the motor group, each driver in the driver group performs data interaction through a communication port, and each motor in the motor group is in one-to-one correspondence with each driver in the driver group. Each driver in the driver group realizes data sharing, so that the control output is synchronous, the current sharing effect of motor winding driving is realized, the total power is ensured to be maximized, and meanwhile, the rotating speed control is also ensured to be more accurate.

The invention discloses a driving device, a solar tracking support system and a driving method thereof, and the driving device comprises N driving units which are arranged in rows or columns at intervals in pairs, each driving unit comprises a main wheel, and N is a natural number greater than 1; the number of the worm transmission devices is N; the worm transmission device is in meshed transmission connection with the main wheel; the number of the second worms is N; the second worm is in meshed transmission connection with the worm transmission device; joints are fixed at the two ends of the second worm; a coupling; one end of the coupling shaft is connected to a joint at one end of a second worm; the other end of the coupling shaft is connected to a joint at one end of the other adjacent second worm; the (N-1) couplings and the N second worms form an auxiliary shaft under the connection of the joints; the motor is connected with the auxiliary shaft and used for driving the auxiliary shaft to rotate. The bearing capacity can be improved, synchronous rotation is guaranteed, a damper is not needed, and the problems of wind vibration and deflection torsion are solved.

The invention relates to a P91 steam pipeline welding positioning device and a welding method, and belongs to the technical field of high-temperature and high-pressure steam pipeline welding. The device comprises a mounting frame, clamping and fixing discs are rotationally arranged on the two sides of the mounting frame, clamping and fixing pieces are evenly arranged on the inner peripheries of the clamping and fixing discs, the clamping and fixing discs are used for driving the clamping and fixing pieces to move in the radial direction, a positioning disc is fixedly arranged in the middle of the mounting frame, positioning pieces are evenly arranged on the inner periphery of the positioning disc, the positioning disc is used for driving the positioning pieces to move in the radial direction, and a driving assembly is further arranged on the mounting frame. The clamping and fixing discs are matched with the clamping and fixing pieces to clamp and fix the steam pipelines, the positioning discs are matched with the positioning pieces to position grooves of the two pipelines, so that the grooves are subjected to multi-layer bottoming electric arc welding and submerged arc welding, the pair of clamping and fixing discs and the pipelines are driven by the driving assembly to synchronously rotate, convenience is provided for groove welding, and the welding efficiency is improved. And the automation degree, the production efficiency and the welding quality consistency of pipeline welding are improved.

The invention discloses a miniature high-integration vehicle skylight roller shutter electric execution device, and relates to the technical field of vehicle skylight roller shutters, the technical scheme is that the miniature high-integration vehicle skylight roller shutter electric execution device comprises a driving motor (1), a roller shutter synchronizing wheel (3) and a roller shutter winding drum (5), the output end of the driving motor (1) is connected with a planetary reducer (2), the planetary reducer (2) is integrated in the roller shutter synchronizing wheel (3), and the roller shutter winding drum (5) is connected with the planetary reducer (2). The output end of the planetary reducer (2) is fixedly connected with a roller shutter synchronous inner pipe (4), the roller shutter synchronous inner pipe (4) is rotationally connected with a roller shutter winding drum (5) through a bearing, and a pre-tightening spring (6) is arranged between the roller shutter synchronous inner pipe (4) and the roller shutter winding drum (5). The device is simple in structure, high in integration level and low in cost, can be used for electric skylight roller shutter systems of fuel vehicles and electric vehicles, robots, electric tools, unmanned aerial vehicles and the like, and has good application prospects.

This invention relates to the field of food processing equipment technology, and discloses a food processing machine with stable operation, including a mixing cup and a main unit equipped with a motor and a reduction mechanism. The reduction mechanism includes a fixed gear ring, a double gear, a moving gear ring, and a planetary carrier that cooperate with each other. The double gear includes a gear with a shaft hole and a gear shaft passing through the shaft hole. The gear shaft and the motor shaft are arranged side by side, and the motor shaft drives the gear and gear shaft to rotate synchronously. The gear includes an upper gear that meshes with the fixed gear ring and a lower gear that meshes with the moving gear ring. The shaft hole wall is provided with a wear-resistant part, which surrounds the gear shaft to limit the radial movement of the gear shaft. The outer surface of the wear-resistant part is fixedly connected to the shaft hole wall, and a heat dissipation gap is provided between the inner surface of the wear-resistant part and the gear shaft. The axial height h2 of the wear-resistant part and the shaft hole wall height h1 satisfy 1 / 2h1<h2≤h1-2mm. This avoids direct contact between the gear shaft and the shaft hole, provides good wear resistance to the shaft hole, ensures good alignment between the gear and the rotating shaft, and ensures stable operation.

The invention relates to an axle, in particular for a utility vehicle, comprising a first wheel end (2) and a second wheel end (3), which are arranged or can be arranged opposite one another on the axle (1) in a rotational manner, a recuperation device (13), which is connected or can be connected to the first wheel end (2) and is designed to recuperate the rotational energy of the first wheel end (2), a brake device (5), which is designed to retard the second wheel end (3), and a control unit (11), which is designed to determine information about the retardation of the first wheel end (2), which is caused by the recuperation, and / or the retardation of the second wheel end (3), and to control the brake device (5) and / or the recuperation device (13) such that the retardation of the first wheel end (3) and the retardation of the second wheel end (3) match one another. A further aspect of the invention relates to a method for compensating for the retardation of a first wheel end (2) of an axle (1), in particular for a utility vehicle, which is caused by a recuperation process.

The invention provides an operating device for a rotary switch. The operating device comprises a main shaft, a mounting bracket, a driving mechanism arranged on the mounting bracket, an energy storage mechanism and a locking mechanism, in a normal working state, manual switching-on operation or manual switching-off operation can be carried out by screwing the main shaft. And in case of overload, short circuit and the like, the controller sends out a control signal, a triggering mechanism (such as an electromagnet) starts the driving mechanism to execute a tripping action, and the energy storage mechanism is not locked by the locking mechanism any more, so that the energy storage mechanism enters a free tripping position. And then, the energy storage mechanism is started under the driving of the first elastic energy storage element, so that the energy storage mechanism drives the lower turntable to rotate through the transmission assembly of the shifting piece to drive the switch body assembly to rotate, thereby completing the automatic opening and disconnecting operation. And after the fault is eliminated, the driving mechanism is manually operated to re-execute the re-buckling movement, so that a re-buckling position (normal working state) is entered.

This utility model discloses a welded pipe turning mechanism, relating to the technical field of welded pipe production equipment. It includes a processing table with a power drive mechanism at its upper end and an adjustable turning mechanism above the processing table. This utility model, through the cooperation of a telescopic rod and a movable plate, allows for flexible adjustment of the distance between two sets of turning rollers, adapting to the turning requirements of welded pipes of different specifications. Secondly, two servo motors drive the two sets of turning rollers respectively, providing sufficient and stable power. Compared to a single drive method, this ensures uniform torque during the turning process, preventing turning jams or asynchrony even when handling large-diameter, heavy welded pipes. Simultaneously, the anti-slip rubber sleeves and annular grooves on the turning rollers significantly enhance friction with the welded pipe, preventing slippage during turning and ensuring stable and reliable turning action, effectively improving production efficiency and product quality.

The utility model discloses a trolley caster mounting device for supermarket, include: work table, torque motor, caster seat and trolley frame, torque motor is installed below the table top of work table, power output shaft passes the table top of work table, caster seat is installed at the top of power output shaft, the top of caster seat is equipped with the positioning sleeve wrench, trolley frame includes bottom rail, removes rotary seat and power support, bottom rail is composed of two parallel slide rails of fixed on work table table top, the installation position of torque motor is located slide rail front end, removes rotary seat and can remove installation on bottom rail, power support is installed on removes rotary seat, through above -mentioned mode, the utility model can obviously improve the installation efficiency of caster and reduce the labor intensity when installing.