30results about How to "Consistent torque" patented technology

A torque overload clutch for power tools such as hammer drills. The clutch is housed in the cavity of the gear unit. Spring washers are used to push the ball bearings into indentations formed in the bottom of the cavity. Ball bearings are housed within cavities formed in a drive plate that engages the drive shaft of the power tool. The spring washers are held in place by round clips or threaded plates. A threaded plate arrangement is provided for means of compressing spring washers with a constant force through a manufacturing lot. Also disclosed is a manufacturing method of the clutch.

The invention provides an automatic screw fastening and laser coding machine. The automatic screw fastening and laser coding machine is provided with a workbench. The workbench is provided with an automatic screw fastening mechanism and an automatic laser coding mechanism. The automatic screw fastening mechanism comprises a jig conveying mechanism, a screw fastening mechanism body, an inspection mechanism and a sorting mechanism. The screw fastening mechanism body, the inspection mechanism and the sorting mechanism are arranged along the conveying path of the jig conveying mechanism in sequence. The jig conveying mechanism conveys a jig and a workpiece placed on the jig to the screw fastening mechanism for screw fastening, then conveys the jig and the workpiece placed on the jig to the inspection mechanism for workpiece inspection, and goes on to convey the jig and the workpiece placed on the jig to the sorting mechanism, so that defective products are sorted out and sent to a defective product collecting station, and qualified workpieces are sent to the laser coding mechanism for coding. The automatic laser coding mechanism is further arranged on one side of the sorting mechanism.The automatic laser coding mechanism comprises a laser coding machine and a linkage clamping mechanism. Full-automatic machining on products is realized, the production efficiency is greatly improved, and the yield of products is increased.

The invention provides an electric screwdriver special for electric energy meter verification, and belongs to the technical field of screwdrivers. The electric screwdriver aims to solve the problems of low efficiency of using a single-bit screwdriver and inconsistent screwing degrees of screws in the same row of an electric energy meter during meter verification. According to the technical scheme,a driving gear is arranged at one end of a motor of the electric screwdriver in a sleeving manner, first gears meshed with the driving gear are symmetrically arranged at the two sides of the drivinggear, an electric screwdriver with four screwdriver bits and an electric screwdriver with seven screwdriver bits are integrated by arranging other gears meshed with the first gears, an idling type screwdriver is arranged between the screwdriver bits and the gears, and the torque consistency of bolts in the same row is realized; and the electric screwdriver has the technical effects that the structure and the operation are simple, one row of bolts can be screwed down or dismounted at the same time, the working efficiency is improved, the torque consistency of screws in the same row can be guaranteed, and the labor intensity of workers is reduced.

This invention relates to a dental implant installation tool, belonging to the field of dental implants, and is especially suitable for the place with torque requirements on tightening screw during dental surgery. The dental implant installation tool comprises an installation block, an installation cap, a connecting rod, a connecting block, a pin, a spring and a gasket, wherein the gasket is inserted into the connection rod and installed on the step surface of the connecting rod; the connecting rod, connecting block, pin, spring and gasket are separately installed in the installation block; the cylinder of the connecting rod is inserted into the cylindrical hole inside the installation block, the gasket is installed on the step surface of the inner hole of the installation block, the pretightening force of the spring clamps the pin, the pin is located against the connection block, and the outer arc surface of the connecting block and the inner arc surface of the inner hole of the installation block are closely matched together; and the connecting rod is penetrated through the via of the installation cap and is connected with the installation block through thread.

The invention discloses a high-efficiency driving mechanism of a bicycle. The high-efficiency driving mechanism comprises a left belt, a right belt and a middle belt, wherein the middle belt is connected between a middle upper reversing wheel and a middle lower reversing wheel; the left belt is connected between left upper and lower reversing wheels and a left belt pulley; the right belt is connected between right upper and lower reversing wheels and a right belt pulley; the upper end of a left pedal is simultaneously connected to the left belt and the middle belt; the upper end of a right pedal is simultaneously connected with the right belt and the middle belt; the left belt pulley and the right belt pulley are movably sleeved on a rear wheel shaft; outer side faces of the left belt pulley and the right belt pulley are provided with a left driving chain disc and a right driving chain disc respectively; a left driven chain disc and a right driven chain disc are movably sleeved on a chain wheel shaft; a front left pawl is arranged on the left driven chain disc and is matched with a front left ratchet which is fixedly sleeved on the chain wheel shaft; the right driven chain disc is provided with a front right pawl which is matched with a front right ratchet which is fixedly sleeved on the chain wheel shaft; and the front left ratchet and the front right ratchet are in bilateral symmetry. Since the left pedal and the right pedal only do rectilinear motion, pedal force can act on a part of maximum moment all the time to obtain maximum torque output.

The invention discloses a rail wheel synchronous control device for a traction power test device of a rail transit vehicle. An accompanying test motor is connected to one side of each rail wheel; a sensor is arranged between each rail wheel and an output shaft of each accompanying test motor; an accompanying test converter is connected to each accompanying test motor and is connected with a signal acquisition control unit arranged on the field; the signal acquisition control units are one or more circuit boards or circuit units arranged inside the accompanying test converters or signal acquisition controllers arranged outside the accompanying test converters; and the signal acquisition control units are used for receiving control signals from the sensors and/or other signal acquisition control units, and the control signals are integrally processed and then are outputted to the accompanying test converters. Dynamic work conditions of various motors are acquired on field in real time and are integrally processed by the signal acquisition control units for controlling various accompanying test converters, so that output rotating speeds and the torques of all motors can be enabled to be same, traction and brake work conditions of tested locomotives can be dynamically adapted and the synchronous control on the rail wheels can be realized more accurately.

The invention provides a method for improving the quality of an ultrathin glass lower surface. The system according to the method comprises multiple transition rollers which are arranged between a tin bath and an annealing kiln. One end of each transition roller is connected with one slave transmission device. The slave transmission device drives the transition rollers to rotate. A speed sensor and a torque sensor are arranged on the slave transmission device. A PLC adjusts rotating speed of each slave transmission device according to the feedback of the torque sensor under the condition of conveying a glass plate so that the torque conveying to each transition roller is maintained to be consistent. The scheme of speed control is replaced by the scheme of torque control so that the torque of all the transition rollers is maintained to be consistent, sliding friction between the transition rollers and the glass plate lower surface can be fundamentally avoided and the problem of transmission speed fluctuation can also be overcome to some extent.

A method for checking paper-making forming fabrics includes following steps: a, placing a forming fabric to be checked on an upper fabric rolling steel pipe and feeding the forming fabric from top to bottom; b, rolling the forming fabric fed by the upper fabric rolling steel pipe by a lower fabric rolling steel pipe; and c, checking the forming fabric fed downwards along the upper fabric rolling steel pipe while using moment to control a fabric rolling motor. During checking of the forming fabric, tension of the forming fabric is reasonably controlled, so that subtle quality problems of the forming fabric can be found more easily to provide high-quality forming fabrics. In addition, tension control is realized through a moment control motor, different from a speed control motor, the moment control motor can constantly maintain uniform moment on the forming fabric and cannot pull the forming fabric, speed is low when resistance applied to the motor is large, speed is high when resistance applied to the motor is small, and the moment is fixed, so that the service life of the rolling motor is effectively guaranteed.

The invention relates to the technical field of new energy automobiles, and discloses an automobile equipower electromechanical direct drive system. The automobile equipower electromechanical direct drive system comprises an engine, a power generator, an equipower adjusting circuit, an electromotor and a controller. The engine is connected with the power generator and provides mechanical energy for the power generator, the equipower adjusting circuit is connected with the power generator and the electromotor, the power generator is used for converting the mechanical energy into a circuit and outputting the circuit to the equipower adjusting circuit, the controller is connected with the engine, the power generator, the equipower adjusting circuit and the electromotor and used for monitoringoperating parameters of the engine, the power generator and the electromotor in real time, controlling the equipower adjusting circuit to adjust electric energy output by the power generator according to the operating parameters and outputting the adjusted electric energy to the electromotor, and it is guaranteed that the powers of the engine, the power generator and the electromotor are kept consistent.

The invention discloses a skylight glass mounting pressure stability control method. The method includes the specific control steps that 1, the pressure of a gas storage tank connected with a main gas source is controlled at the set value to achieve the purpose that the input gas source of a wind batch or a rivet gun for mounting skylight glass is stable in pressure; 2, when the pressure of an air inflation pipe of the wind batch or the rivet gun connected with the gas storage tank is controlled to be the set value, the wind batch or the rivet gun starts to work, the output driving torque of the wind batch or the rivet gun is made to be the same when assembled, and the mounting quality of the skylight glass is made to be consistent. According to the skylight glass mounting pressure stability control method, the input gas source of the wind batch or the rivet gun is sufficient in flow and stable in pressure; meanwhile, the gas source of the wind batch or the rivet gun works at the set pressure value, and it is guaranteed that the wind batch or the rivet gun is the same in torque when shooting screws or rivets, so that the skylight glass screw or rivet mounting is made to meet the standards, and the consistency of the mounting quality of the skylight glass is guaranteed.

The invention relates to the field of automatic machinery, in particular to a full-automatic screw locking machine. The full-automatic screw locking machine comprises a screw conveying device and a screw screwing device. The screw conveying device comprises a first conveying channel and a second conveying channel, screws in the first conveying channel can be conveyed into the second conveying channel, the screw screwing device comprises an electric screwdriver and a moving rod connected to the output end of the electric screwdriver, and the screws in the second conveying channel can be arranged at the end portion of the moving rod; and the electric screwdriver can drive the moving rod to move and rotate, so that the screws rotate along with the moving rod and are locked to parts. According to the full-automatic screw locking machine, manpower is saved, the working efficiency of screw locking is improved, the torsion of each screw can be kept consistent, then it is guaranteed that the screws are evenly stressed in the locking process, the phenomena of thread loosening and inclined screwing are avoided, and therefore the service life of the parts is prolonged.

The invention relates to the field of automatic machinery, in particular to a screw locking machine. The screw locking machine mainly comprises a frame body, a carrier module, a press-fit stripping mechanism module and a screw driving module. The carrier module is arranged on the frame body, and the carrier module is used for placing parts; the press-fit stripping mechanism module is movably arranged on the frame body and used for being matched with the carrier module to fix the parts and stripping the parts subjected to screw locking; the press-fit stripping mechanism module is located over the carrier module; and the screw driving module is arranged on the frame body, and the screw driving module can rotate a screw and lock the screw to the part. According to the screw locking machine, manpower is saved, the working efficiency of screw locking is improved, the torsion of each screw can be kept consistent, then it is guaranteed that the screws are evenly stressed in the locking process, the phenomena of screw loosening and inclined screwing are avoided, and therefore the service life of parts is prolonged.

The invention relates to the technical field of knitting machines, in particular to a torque balance control method and system for an annular knitting machine and storage equipment. The torque balance control method for the annular knitting machine comprises the following steps: a main motor adopts a position control mode, and a position ring, a speed ring and a current ring of the main motor are subjected to three-ring closed control; a slave motor adopts a torque control mode; and the output of the speed loop of the main motor is used as the current given quantity of the current loop of the slave motor. By means of the method, torque balance control and rotation speed synchronization of the motors can be achieved, stable operation of the knitting machine is guaranteed, and fabric quality and production efficiency are improved.