388 results about "Commutator (electric)" patented technology

The invention relates to a direct current motor with an anti-electromagnetic interference structure in the field of motors, which is characterized in that the surfaces of a commutator and an electric brush are blown in real time through a magnetic shielding cylinder arranged on the outer side of the commutator and an air blowing blade arranged in the magnetic shielding cylinder, and carbon powder on the surfaces of the commutator and the electric brush is cleaned; the commutator and the electric brush are subjected to synchronous blowing heat dissipation, so that the commutator and the electric brush have relatively good contact stability, the condition of contact resistance increase caused by carbon powder accumulation is reduced, the probability of arc generation between the commutator and the electric brush is reduced, and the electromagnetic compatibility of the motor is further improved; the influence of a high-frequency magnetic field generated by the arc on a rotor winding coil is reduced, and electromagnetic interference is further reduced; in addition, the insulating groove formed in the commutator improves the collecting and cleaning effects of the carbon powder, and the insulating groove is matched with the diversion disc to realize ejection of the lower contact surface of the electric brush, so that the cleaning effect of the carbon powder is further improved.

The invention discloses a water adding and dust removing grooving machine which is composed of a driver, a grinding wheel cover plate, a grinding wheel cover, a machine shell and a handle shell, water retaining strips are arranged on the grinding wheel cover plate and the grinding wheel cover, the grinding wheel cover plate and the grinding wheel cover are connected to form an integral grinding wheel cover, sewage generated by cutting cannot be splashed to the body of a constructor, and the construction quality is improved. A rotor cooling air inlet and an annular water retaining ring are arranged on a handle shell, sewage generated by water adding and dust removal during cutting and carried micro-fine sand are prevented from being sucked into a shell cavity through negative pressure generated by rotation of a rotor cooling fan, winding insulating paint on a rotor and a stator, a commutator connected to a rotor spindle and bearings connected to the two ends are damaged, and the rotor cooling effect is achieved. A holding mode conforming to the use habits of operators is achieved, the head of the machine body is upward, the machine tail is downward for cutting, meanwhile, the hidden danger that water enters the cavity of the machine shell and leaks electricity to hurt people is prevented, and the machine has the advantages of being simple in structure, small in size, low in cost, long in service life and convenient to operate.

The utility model relates to the field of workpiece surface machining, and discloses an ultrasonic machining assembly, a finishing machining device and a finishing machining system.The ultrasonic machining assembly comprises a support; the transducers are used for converting the high-frequency electric energy into high-frequency mechanical vibration; the vibration commutator is arranged on the support, the outer periphery of the vibration commutator is connected with a plurality of transducers which are sequentially arranged at intervals in the circumferential direction, and the vibration commutator is used for converting high-frequency mechanical vibration of the transducers into high-frequency mechanical vibration in the axial direction of the vibration commutator; and the processing roller is rotatably connected to the axial outer end of the vibration commutator and is used for carrying out ultrasonic rolling processing on the surface of the workpiece. Due to the fact that ultrasonic energy acts on the surface of the workpiece, the surface of the workpiece can generate plastic deformation to introduce residual stress, the microstructure of the surface of the workpiece is changed, the effects of finishing machining and surface strengthening can be achieved at the same time, the quality of the surface of the workpiece can be effectively controlled, and the hardness of the surface of the workpiece can be effectively improved.

The utility model discloses a photoelectric turbine flowmeter based on a planar magnetic coupling and a right-angle gear commutator, and relates to the technical field of measurement. The device comprises a turbine rotating mechanism and a detection unit, and the turbine rotating mechanism comprises a shell, a front fluid director, a rear fluid director, a turbine assembly, a right-angle gear commutator, a first plane magnetic coupling and a second plane magnetic coupling, the detection unit comprises a detection cavity and a photoelectric rotating speed sensing device arranged in the detection cavity; axial rotation is converted into transverse rotation through the right-angle gear commutator and the first plane magnetic coupling, the transverse rotation is transmitted to the second plane magnetic coupling in the detection cavity, and the rotation speed of the second plane magnetic coupling is obtained through detection of the photoelectric rotation speed sensing device. And the photoelectric rotating speed sensing device in the detection cavity is not polluted by substances in the shell and is not easily influenced by a magnetic field, high temperature and high pressure, so that the measured flow is accurate.

To simplify assembly and to reduce the susceptibility to faults of a linear drive comprising a transmission housing, an interference-suppressed electric motor which is connected thereto and is accommodated in a motor housing and which by way of a rotor accommodated in the motor housing drives a shaft which is mounted on a rear shaft end in a rear shaft bearing and is mounted on a front shaft end, a commutator for the transmission of current to the rotor, electrical and / or electronic components for interference suppression of the electric motor, it is proposed that the rear shaft bearing is mounted in the motor housing, the front shaft bearing is mounted in the transmission housing and the electrical and / or electronic components required for interference suppression of the electric motor are arranged on an interference suppression circuit board arranged between the front shaft bearing and the commutator.

The utility model relates to the technical field of commutator deburring, and discloses a commutator deburring device which comprises a mounting plate, a moving mechanism is arranged in the middle of the top of the mounting plate, a deburring mechanism is arranged at the top of the moving mechanism, the moving mechanism comprises a mounting groove, the mounting groove is formed in the middle of the interior of the mounting plate, and the deburring mechanism is arranged in the mounting plate. Vertical plates are fixedly connected to the two sides in the mounting groove, and a reciprocating lead screw is rotationally connected between the two vertical plates. According to the deburring device for the commutator, through the arranged moving mechanism, under rotation of a steel wire brush and automatic movement of the commutator, the purpose of automatically removing burrs on the surface of the commutator can be achieved, manual operation is replaced by electric operation, and the deburring efficiency is improved; and the distance between the steel wire brush and the commutator can be adjusted according to the length of burrs on the surface of the commutator, and the practicability of the device is improved.

The invention relates to the field of electric brushes, and particularly discloses an electric brush with a spring pressing structure and a using method thereof.The electric brush with the spring pressing structure comprises electric brush bodies, a commutator and a cleaning mechanism, the electric brush bodies are arranged on the two sides of the commutator, and the cleaning mechanism is arranged between the two electric brush bodies; the using method comprises the following steps that S1, the connecting rod mechanism drives the cleaning mechanism to be close to and attached to the steering gear; s2, when a brush roller in the cleaning mechanism enters a notch, a friction wheel is attached to a commutator; in the using process, the connecting rod mechanism drives the cleaning mechanism to be attached to the surface of the commutator, the synchronous assembly drives the cleaning assembly to rotate in synchronization with the commutator, meanwhile, the passive assembly passively drives the cleaning assembly to rotate, the cleaning assembly is attached to different corners of the notch according to different rotating directions of the commutator, and then the commutator is cleaned under the work of the cleaning assembly. Therefore, the carbon ash in the gap can be completely brushed down and led out, and the carbon ash is prevented from being accumulated in the gap to influence the subsequent use of the commutator.

The invention discloses an integrated energy-saving electric drive axle transmission assembly and a transmission method thereof. The integrated energy-saving electric drive axle transmission assembly comprises a motor, a speed reducer mechanism is connected with the motor, a differential mechanism is connected with the speed reducer mechanism and arranged in the speed reducer mechanism, and a commutator mechanism is connected with the differential mechanism and arranged in the speed reducer mechanism. According to the electric drive axle transmission assembly, the differential mechanism is integrally arranged in the speed reducer mechanism, and the differential mechanism is connected with the secondary driven gear on the speed reducer mechanism, so that the electric drive axle transmission assembly is compact in structure and high in integration degree, high-performance output of the electric drive axle transmission assembly is guaranteed, meanwhile, the size and the weight of the electric drive axle transmission assembly are reduced, and the cost is reduced. When the differential lock is used on a complex road surface, the transmission performance is effectively improved, the cross-country performance is improved, meanwhile, the differential lock structure is of a mechanical structure, the structure is simple, reliability is guaranteed, the performance is effectively improved, and meanwhile the production cost is reduced.

The utility model discloses a fixed four-linkage electric speed reduction elevator which comprises a motor, the output end of the motor is provided with a hole-shaft double-input lead screw speed reduction elevator, the two output ends of the hole-shaft double-input lead screw speed reduction elevator are respectively provided with a double-shaft input lead screw speed reduction elevator, and the two output ends of the hole-shaft double-input lead screw speed reduction elevator are respectively provided with a double-shaft input lead screw speed reduction elevator. The output end of one double-shaft input lead screw speed reduction elevator is provided with the other double-shaft input lead screw speed reduction elevator. According to the fixed type four-linkage electric speed reduction elevator, a middle reverser of a traditional four-linkage elevator is combined with a speed reduction elevator part, so that the middle reverser is omitted, and the reversing function is achieved through the process that the double-input worm is connected with the first arc bevel gear and the second arc bevel gear; by means of the speed reduction transmission characteristic of the worm gear and the worm, more speed reduction ratios can be obtained, the speed reduction ratio of the speed reduction elevator can be selected according to using requirements, and larger platform bearing force and various lifting speeds are achieved.

The invention provides a direct current motor commutator notch finish turning device, and relates to the field of commutator processing equipment. The machine comprises a machine table, and a turning station, a cleaning station and a detecting station are arranged on the machine table; the turning station comprises a tool rest driven by an electric sliding table, and the tool rest is provided with a tool used for cutting the commutator. The cleaning station comprises a rolling brush driven by a first motor, and the rolling brush is used for brushing and sweeping the commutator; the detection station comprises a visual detection mechanism, and the visual detection mechanism is used for photographing and analyzing the commutator. The method has the effects of improving the removal effect of waste chips after finish turning and reducing the reworking proportion.

The invention discloses an integrated servo electric cylinder assembly, and belongs to the technical field of electromechanical transmission of industrial equipment. The electric cylinder push rod is sleeved with the electric cylinder body, the front end of the electric cylinder push rod is connected with the upper hinge head, and the electric cylinder push rod is driven by the driving component to linearly move along the electric cylinder body; the lower portion of an electric cylinder body is installed on the upper surface of a commutator, the other side of the upper surface of the commutator is connected with a driving part through a speed reducer, a servo controller is installed on the back of the driving part, and the lower surface of the commutator is connected with a lower hinge head. A sensor assembly is installed on the side face of the electric cylinder body, signal lines of the sensor assembly are connected into a servo controller, and the signal lines are output to an upper computer system through the servo controller to control the stroke of the electric cylinder push rod. According to the electric cylinder, the overall size and weight of the equipment can be reduced, meanwhile, the number of wires among the driving part, the servo controller and the sensor is reduced, when the electric cylinder breaks down, the electric cylinder can be switched to a manual mode for control operation, and the use performance of the electric cylinder is improved.

The invention relates to the technical field of motors, in particular to a driving motor with a commutator automatic maintenance function. Comprising a controller, a mounting ring, photosensitive sensors, connecting blocks, sliding plates, grinding blocks and the like, the controller is mounted on the outer wall of a shell, the mounting ring is connected to the inner wall of the shell, a rotating shaft and a commutator rotationally penetrate through the middle of the mounting ring, the photosensitive sensors are mounted on the mounting ring, the connecting blocks are symmetrically connected to the outer wall of the shell, and the sliding plates are slidably connected into the connecting blocks; polishing blocks are connected to the side faces of the sliding plates. Through cooperation of the photosensitive sensor, the electromagnet and the polishing block, sparks generated between the electric brush and the commutator can be automatically detected, then the polishing block can be controlled to be tightly attached to the surface of the commutator for polishing and cleaning, sediments on the surface of the commutator can be effectively removed in the process, and an insulating layer is prevented from being formed; in addition, the problem of poor current conduction caused by accumulation of the carbon powder can be avoided, so that the commutator does not need to be manually and regularly disassembled and maintained.

The motor includes: a rotor having a rotating shaft extending in an axial direction; a commutator attached to the rotating shaft; a brush having a front end surface in contact with the commutator and a rear end surface located at a position opposite to the front end surface; a constant load spring having a first wrap portion and a second wrap portion, each of which is composed of a strip-shaped wire material wound in a spiral shape, and having a fixed end on the front end surface side; and a pressing member that is in contact with the rear end surface of the brush and presses the brush against the commutator by the load from the constant load spring.

The present invention provides an electromagnetic compressor, including a compressor cylinder body, with dead center coils designed at both ends of the compressor cylinder body, and the electromagnetic directions of the coils are opposite to each other with the same poles in the compressor cylinder body after power is applied; a piston coil is provided between the two sets of dead center coils, and the positive and negative poles of the piston coils are electrically connected to the commutator through a guide rod. After the guide rod is connected to the commutator, the piston coil is urged to approach the dead center coil on the opposite side. During the movement of the commutator and the piston head, the position of the guide rod relative to the commutator will change relative to each other, thereby changing the connection direction of the positive and negative poles of the piston coil. The present invention designs a piston compressor based on the principle of electromagnetic induction, and utilizes the same magnetic poles generated at both ends of the cylinder body to make the piston continuously change the magnetic poles at both ends and reciprocate in the cylinder body. The present invention eliminates the crankshaft, crosshead, coupling, motor transmission mechanism, etc. in the traditional piston compressor, and has a simple structure.

The utility model discloses a novel walking type turner, which relates to the technical field of turners and comprises a truss, four corners of the truss are fixedly connected with supporting legs, the bottom ends of the supporting legs are movably connected with sliding rail type walking wheels, the bottom of the truss is slidably connected with an electric hoist frame, four corners of the electric hoist frame are provided with hydraulic oil cylinders, and the hydraulic oil cylinders are provided with hydraulic oil cylinders. A driving motor frame is arranged at the bottom ends of the four hydraulic oil cylinders, a cross-shaped commutator is fixedly connected to the bottom end of the driving motor frame, driving shafts are arranged at the left end and the right end of the cross-shaped commutator, turning wheels are arranged at the ends, away from the cross-shaped commutator, of the driving shafts, and the track of each turning wheel is a rounded square. Aiming at the problems of incomplete turning and throwing and incapability of turning and throwing at the corner of the ectopic fermentation bed, the turning and throwing wheel is formed after optimization by virtue of the characteristic that the motion trail of the Leyo triangle is a rounded square, so that turning and throwing at the corner are realized, and the problem of incomplete turning and throwing is solved.

An electric motor with shaft, rotor and stator. The stator has a pair of magnets amd the rotor has a number of rotor poles, and the same number of electrically isolated pole windings and inter-pole spaces. The motor has first and second commutators, each divided into equally arc spaced commutator segments, the same number as the number of rotor poles.Each winding begins at a segment of the first commutator, passes through a first inter-pole space and back through an inter-pole space two spaces counterclockwise of the first space to complete a first winding turn, and after pre-selected number of winding turns, passes back through an inter-pole space three spaces counterclockwise of the first space for a second same number of winding turns as the first pre-selected number. The winding is completed at an segment of the second commutator arc-aligned at the same arc degree on the rotor shaft with the first commutator.In the electric motor the two magnets are separate by a gap between them such that a line through the gap is 90 degrees out of alignment with a line between a pair of oppositely signed motor brushes.The electric motor has two brush sets, with each of the two brush sets each having a pair of oppositely disposed brushes electrically isolated from each other and on opposite sides of the commutator.A method for parallel simultaneous internal generation of an output current in a motor, while the motor is drawing current to spin a motor shaft is also presented.

The application provides an armature commutator post-process production line, and belongs to the technical field of armature production. The armature commutator post-process production line comprises a rack, a first conveying line, a first detection mechanism, a second conveying line, a grinding mechanism and a second detection mechanism. The first detection mechanism can detect the electrical conductivity of the material, the grinding mechanism can grind the material, and the second detection mechanism can detect the smoothness of the material grinding part. The conveying paths of the first conveying line and the second conveying line can realize the automatic conveying of the material in the first detection mechanism, the grinding mechanism and the second detection mechanism. Through the cooperation of the first conveying line, the second conveying line, the first detection mechanism, the grinding mechanism and the second detection mechanism, the electrical conductivity detection of the armature and the surface grinding of the armature commutator can be realized completely automatically, and the production efficiency of the armature is improved.

The present invention discloses an automatic commutator laser cleaning device and method, which relates to the field of laser cleaning technology, in order to solve the problem that the existing commutator mainly adopts chemical cleaning to remove the residual polymer on the surface, which causes great environmental pollution. A feed tray body is arranged above one end of the base, a shock-absorbing bracket is installed below the feed tray body, and four shock-absorbing brackets are arranged, a top plate is arranged above the feed tray body, a return hopper is arranged inside the top plate, a pressure cap is arranged at the middle position of the return hopper, a discharge end is arranged at one end of the return hopper, a discharge guide rail is arranged on the discharge end, a guide rail bracket is arranged below the discharge guide rail, an electric control cabinet is arranged on the front end surface of the guide rail bracket, a maintenance cabinet door is arranged on the front end surface of the electric control cabinet, a cleaning table is arranged on one side of the electric control cabinet, and an automatic feeding mechanism is arranged above one end of the cleaning table.

The invention relates to a contactor comprising an electric motor (2) comprising a stator (200) and a rotor (201) and a commutator-brush system (3), the commutator-brush system comprising: a commutator (300) assembled on the rotor, the commutator comprising at least one electrically conductive portion (302) and at least one non-electrically conductive portion (303); and a pair of brushes formed of two brushes (304), wherein the brushes each have a contact surface configured to frictionally contact the commutator. The side surface of the commutator (300) comprises a conductive portion (302) and a non-conductive portion (303) of the commutator, wherein the commutator is free to rotate about an axis of rotation (X). The commutator-brush system (3) is configured to move between an electrically conductive position, in which the commutator electrically connects the pair of brushes, and an interrupted position, in which the commutator electrically isolates the pair of brushes (304), the commutator-brush system transitions from the electrically conductive position to the interrupted position by rotation of the commutator (300) under the action of the motor, and transitioning from the interruption position to the conductive position.

The utility model discloses an electric motor based on a PCBA control board, and relates to the technical field of motors. The carbon brush replacing device comprises the pushing mechanism, the clamping mechanism and the outer shell, the pushing mechanism comprises the square shell, the third sliding groove is formed in the back of the square shell, through the arrangement of the clamping mechanism, rapid replacement of a carbon brush is achieved, the problem that the carbon brush of an electric motor is difficult to replace is solved, a user can easily push out an old carbon brush through simple operation, and the carbon brush replacing efficiency is improved. A new carbon brush is rapidly installed in place, the replacement efficiency is improved, the maintenance cost is reduced, stable connection between the square shell and the outer shell is achieved, the overall structural strength and stability of the electric motor are improved, the pushing mechanism smears lubricating oil on the surface of the commutator, friction between the carbon brush and the commutator is effectively reduced, and the service life of the commutator is prolonged. Along with continuous grinding of the carbon brush, the sponge block can correspondingly move leftwards, and the wiping effect on the carbon powder on the surface of the commutator is improved.

The invention provides an electromagnetic compressor which comprises a compressor cylinder body, stop point coils are designed at the two ends of the compressor cylinder body, and the same poles of the stop point coils are opposite in the compressor cylinder body after the stop point coils are electrified; a piston coil is arranged between the two groups of stop point coils; and positive and negative poles of the piston coil are electrically connected with the commutator through guide rods. After the guide rod is connected with the commutator, the piston coil is driven to approach the dead center coil on the opposite side. In the moving process of the reverser and the piston head, the position of the guide rod relative to the reverser can be changed relatively, and then the connection direction of the positive electrode and the negative electrode of the piston coil is changed. The piston type compressor is designed based on the electromagnetic induction principle, the same magnetic poles generated at the two ends of the cylinder body are utilized, the magnetic poles at the two ends of the piston are continuously changed, the piston reciprocates in the cylinder body, a crankshaft, a crosshead, a coupler, a motor transmission mechanism and the like in a traditional piston type compressor are omitted, and the piston type compressor is simple in structure.

The utility model belongs to the technical field of commutator installation, and particularly relates to a micro motor commutator installation structure, which comprises a fixed disc and a reinforced installation mechanism, the reinforced installation mechanism is connected to the tail end of a commutator main body and is fixed in a rear end cover of a motor by utilizing the fixed disc, and the reinforced installation mechanism comprises an installation disc, the mounting disc is fixed at the tail end of the commutator main body; one end of the reinforcing supporting leg is fixedly connected with the mounting disc, and the other end of the reinforcing supporting leg is rotationally connected with the fixing disc; through the arrangement of the reinforcing installation mechanism, the reinforcing installation mechanism is connected to the tail end of the commutator main body and is fixed in the rear end cover of the motor through the fixing disc, the fixing disc is also used for fixing the electric brush, and the reinforcing installation mechanism can improve the stability of the commutator main body fixed on the motor armature. Position deviation of the commutator main body caused by thermal expansion and cold contraction and centrifugal force is effectively avoided, the working safety of the commutator main body is improved, and the service life of the commutator main body is prolonged.

The invention belongs to the technical field of liquid flow standard devices, and particularly discloses a liquid flow standard device electric drive commutator which comprises a mounting table, the top of the mounting table is fixedly connected with a mounting frame, and the top of the mounting table is fixedly connected with two symmetrically-distributed mounting plates. A driving assembly is arranged on the surface of the mounting frame; the outlet flow velocity distribution of the Bezier line fishtail nozzle is better than that of a traditional linear nozzle and a traditional arc-shaped nozzle, when the flow velocity is low, the Bezier line enables liquid close to the outer wall of the fishtail nozzle to flow gently according to the viscous effect of fluid, and the state that the outlet of the nozzle is filled with the liquid is achieved; when the flow speed is large, the situation that liquid is blocked from being sprayed to the edge of the fishtail nozzle due to the fact that the curvature of the inward-converging section is too large is avoided, the fishtail nozzle meets the requirement for adapting to different flows through the shape line design, and other complex design with the leakage problem does not need to be conducted on the fishtail nozzle structure.

The invention discloses a mine automatic dumping car guard efficient desilting device and a using method thereof. The mine automatic dumping car guard efficient desilting device comprises a guard car body head, and the guard car body head comprises a pneumatic motor, a generator and auxiliary equipment; the pneumatic motor is installed at the bottom of the guard body head and is suitable for outputting to drive the generator to operate, the output end of the generator is suitable for being connected with a commutator, filtering equipment and a power supply assembly, and the generator is suitable for storing electricity into the power supply assembly; a control console is mounted in the head of the guarding vehicle body and is used for controlling opening and closing of the auxiliary equipment; a climbing frame is installed on the side face of the guarding vehicle body head, the climbing frame is in a bent shape and comprises a pedal face, and a mud removing piece is installed on the pedal face and suitable for being installed on the pedal face in a rotating mode. According to the design, the convenience and high efficiency of mud removal operation are greatly improved, the difficulty of manual cleaning is reduced, the cleaning efficiency is greatly improved, the cleaning state of the climbing frame is effectively guaranteed, and good conditions are created for stable operation and safe use of the climbing frame.

The utility model provides a micromotor, which comprises a shell, a group of carbon brushes, an armature, a commutator, a permanent magnet and an output shaft, one end of the commutator is electrically connected to the armature, and the other end of the commutator is fixedly connected to the output shaft; the two sides of the commutator are respectively and oppositely provided with a carbon brush. The armature is wrapped by the shell; a group of opposite permanent magnets are arranged on the inner wall of the shell; a preset distance is arranged between the opposite permanent magnets; the output shaft penetrates out of the shell and extends out by a preset distance. The service life is effectively prolonged, and the operation noise is reduced through the arrangement of the narrow groove, so that the service life of the micromotor is long.

The invention relates to a brush machine (10) for an electrical machine comprising a commutator (12) having an axis of rotation (C) and at least one brush (14) configured to be in contact with an external surface (S) of the commutator. The commutator (12) comprises several commutator blades (16) arranged around the periphery of the commutator. Each blade comprises a body (161) extending longitudinally along the axis of rotation and an external surface (163) forming a portion of the external surface of the commutator. According to the invention, each blade has at least one channel (166) formed inside the blade body and near its external surface (163) and configured to be partially filled with a liquid under vacuum. The brush machine includes at least one heat dissipation device (30) and connecting elements (40), each configured to connect each channel (166) of a blade to a cooling device. (See Figure 4 for abbreviations.)

An electric motor assembly is configured to determine a motor winding resistance value. Predicted values are determined for a first and second position of motor commutator sections relative to the motor brushes, with at least one of the brushes contacting different numbers of the sections in the first position and the second position. The predicted values are based on a temperature value measured by the temperature sensor and a predetermined dependence of variation of the motor resistance dependent on the temperature value. An electric motor current value is measured by a current sensor when the electric motor is substantially at standstill. A selection is made between different factors for determining the motor resistance value using the electric current value, dependent on which of the predicted values most closely corresponds to the electric current value. The motor resistance is determined using said electric current value according to the selected factor.

The utility model discloses a press-fitting machine for mounting a motor commutator, which comprises an operating platform, an adjusting platform arranged in the operating platform, a mounting groove arranged on the inner side wall of the operating platform, a motor fixedly mounted in the mounting groove, a screw mounted at the output end of the side surface of the motor, and a side end of the screw movably connected to the inner side wall of the operating platform through a bearing. A sliding seat is movably connected to the screw rod, the top wall of the sliding seat is fixedly connected to the bottom wall of the adjusting table, the motor is started to drive the screw rod to rotate, the screw rod rotates to drive the sliding seat to move, so that the adjusting table moves to the position under the pressing head, and a sliding groove is formed to be matched with a sliding block for use, so that the sliding seat is higher in moving stability; and by starting the electric push rod, the electric push rod downwards pushes the telescopic rod, and the telescopic rod downwards pushes the pressing head, the steering gear is rapidly pressed, convenience and rapidness are achieved, time and labor are saved, and the adjusting table is convenient to move, more convenient to operate by workers and higher in safety.

The utility model discloses a low-consumption high-energy coreless motor, which relates to the technical field of motors and comprises a shell and an upper end cover clamped at the upper end of the shell. And a lower end cover is installed at the lower end of the shell in a clamped mode, a wiring piece is fixedly installed at the lower end of the lower end cover, a connecting plate is fixedly installed on the outer side of the rotating shaft through a commutator, and a cup-shaped coil located in the shell is fixedly installed on the outer side of the connecting plate. According to the low-consumption and high-energy coreless motor, high-temperature gas in the coreless motor can be quickly discharged, the temperature rising speed in the coreless motor is reduced, the ventilation effect of the coreless motor is ensured, and the effect of converting electric energy into kinetic energy in the coreless motor is improved; the heat dissipation hole ring and the heat dissipation hole plate can absorb heat in the shell, meanwhile, heat transfer between the heat dissipation hole ring and the heat dissipation hole plate and air is achieved, rapid cooling of the interior of the motor is achieved, and the low-consumption and high-energy effects of the motor are further guaranteed.

The utility model provides an output energy management circuit for a friction nano-generator. The output energy management circuit comprises a commutator circuit and an energy storage sub-circuit which are connected with the friction nano-generator. The output end of the commutator circuit comprises a first output end and a second output end; the energy storage sub-circuit comprises a first capacitor, a second capacitor, a first diode, an inductor, a selective switch and a breakdown device; two ends of the first capacitor are electrically connected with the first output end and the second output end respectively; the selective switch comprises a fixed end, a first connecting end and a second connecting end, the cathode of the first diode is electrically connected with the fixed end, and the anode of the first diode is electrically connected with the first connecting end through the first output end, the second capacitor and the inductor in sequence and is electrically connected with the second connecting end through the first output end, the first capacitor, the second output end and the breakdown device; different output modes are provided by switching the connection between the fixed end and the first connecting end and the connection between the fixed end and the second connecting end. By arranging the circuit, a continuous and stable power supply can be provided for the load.