41 results about "Tubular linear motor" patented technology

A motor includes a position-sensing magnetostrictive element that extends along a stator bore. A slider slides in the stator bore and includes a stack of motor magnets. The stack includes a first stack end that provides a magnetic field pattern that magnetizes a region of the magnetostrictive element. The motor includes shield elements such as a non-magnetic shield tube and a magnetic flux diverter.

The tubular linear motor includes an armature having a coil and a magnetic exciter having a permanent magnet provided to face the coil. The armature has a yoke that blocks a magnetic flux, teeth that partition a slot for storing the coil, and the coil that is arranged to extend over the teeth from an inner side of the slot toward the magnetic exciter while a mechanical gap is reserved between the magnetic exciter and the coil. The magnetic exciter has a plurality of permanent magnets by interposing a soft magnetic body.

The invention relates to a hole bottom tubular linear motor electric impactor, which comprises a motor outer cylinder, a permanent magnet rod, a linear ball bearing, a mover, a mover silicon steel sheet, and a mover coil. The outer cylinder of the motor is the shell of the linear motor, the permanent magnet rod is fixed on the outer cylinder of the motor, and the permanent magnet rod is used as the stator of the linear motor; the mover moves relative to the permanent magnet rod through the linear ball bearing; The iron core is composed of silicon steel sheets. There are slots in the iron core, and mover coils in the slots; the coils use three-phase AC windings, which are used to connect to three-phase symmetrical alternating current, and generate a traveling wave magnetic field that is consistent with the moving direction of the mover; There are two shock absorbing springs for shock absorption. The impactor adopts a moving coil structure, that is, the permanent magnet rod and the iron core are fixed, and the coil moves. At the same time, a buffer gasket is designed between the mover and the base to improve the anti-fatigue life of the impactor. The impactor has a simple and firm structure, low manufacturing and maintenance costs, easy adjustment of impact stroke speed and frequency, high efficiency, and can be used for deep hole drilling.

A reciprocating electric submersible pump oil production system driven by a sand control linear motor relates to a submersible electric pump oil production system driven by a linear motor. For the reciprocating submersible electric pump oil production system driven by linear motors, since the linear motors used do not have sand control functions, the sand in the well fluid is easy to enter the gap between the mover and stator of the linear motors, affecting the reciprocating submersible electric pumps. Problems with the normal operation of the pump oil production system. The oil pipe is equipped with a drainer, the two ends of the reciprocating plunger pump are fixedly connected with the oil pipe and the linear motor respectively, and the two ends of the cable are respectively connected with the linear motor and the frequency conversion speed control device; the reciprocating plunger pump is a reciprocating split It is one of the plunger pump for stratified mining, reciprocating double pumping plunger pump for stratified mining or reciprocating double-acting plunger pump. The linear motor is a sand control linear motor. The oil production and sand prevention linear motor of the present invention drives the reciprocating electric submersible pump to work, thereby achieving the purpose of preventing the linear motor from jamming and ensuring the normal operation of the reciprocating electric submersible pump oil production system.

The invention relates to a high-thrust tubular linear motor which comprises a stator shell, a stator and a rotor. The stator is coaxially and fixedly mounted in the stator shell, the rotor is coaxially and slidably mounted in an inner cavity of the stator, the stator comprises silicon steel sheets and windings which are arranged at intervals and fixedly mounted on the stator shell, the rotor comprises a rotor shaft, permanent magnets and magnetic conduction rings, and the permanent magnets and the magnetic conduction rings are arranged at intervals on the rotor shaft. The high-thrust tubular linear motor is characterized in that the rotor shaft is made of hollow soft magnetic materials, a copper tube is coaxially sleeved outside the rotor, the windings and the silicon steel sheets are fixedly mounted at intervals to form the stator, and the windings and the silicon steel sheets correspond to the permanent magnets and the magnetic conduction rings of the rotor. The high-thrust tubular linear motor is ingenious in design, reasonable in structure, large in starting force, fine in tightness and reliable in operation.

The invention discloses a material taking device for a sprayer assembly of a flusher, and belongs to the technical field of flusher machining, the material taking device comprises a conveying belt, a nozzle blanking device, a connecting seat blanking device and a tubular linear motor are sequentially arranged above the conveying belt, a clamping device is connected to a rotor of the tubular linear motor, and a protruding limiting belt is arranged on the surface of the conveying belt. Paired nozzle limiting grooves and connecting seat limiting grooves are formed in the surface of the limiting belt in an array manner; the nozzle discharging device comprises a nozzle storage box, a nozzle feeding port is formed in the top of the nozzle storage box, the lower portion of the nozzle storage box is a nozzle discharging channel with an opening in the bottom end, and a first discharging conveying belt is arranged in the nozzle discharging channel. The connecting base discharging device comprises a connecting base storage box, a connecting base feeding port is formed in the top of the connecting base storage box, a connecting base discharging channel with an opening in the bottom end is formed in the lower portion of the connecting base storage box, and a second discharging conveying belt is arranged in the connecting base discharging channel. The clamping device comprises a driving gear, and a rotatable clamp is arranged below the driving gear.

The invention discloses efficient assembling equipment for a flusher nozzle assembly, and belongs to the technical field of flusher machining, the efficient assembling equipment comprises a pressing seat clamping and transferring part and a nozzle assembly transferring and assembling part, the pressing seat clamping and transferring part comprises a supporting table, and a first tubular linear motor is arranged on the supporting table to drive a pressing seat clamp to transfer; the nozzle assembly transferring and assembling part comprises a conveying belt, the tail end of the conveying belt and the tail end of the supporting table are oppositely arranged, a second tubular linear motor is arranged above the tail of the conveying belt to drive a nozzle assembly clamp to transfer, a pressing seat clamp comprises a mold closing clamp, and first tubular linear motors are arranged on the two sides of the mold closing clamp; a protruding limiting belt is arranged on the surface of the conveying belt, and paired nozzle limiting grooves and connecting base limiting grooves are formed in the surface of the limiting belt in an array mode. The nozzle assembly clamp comprises a driving gear, a rotatable clamp is arranged below the driving gear, and the rotatable clamp is of a symmetric structure capable of being opened and closed.

The embodiments of the present application belong to the technical field of electric motors, and relate to a tubular linear motor mover. The technical solution provided by this application includes permanent magnets, iron cores and mandrels; the iron cores and the permanent magnets are arranged in a staggered manner, so that the permanent magnets are arranged between the iron cores, and the magnetic poles of the two adjacent permanent magnets are opposite to each other. , the mandrel is arranged on the side of the iron core at both ends away from the permanent magnet, and the mandrel is slidably connected with the sliding sleeve arranged on the stator. The sliding structure between them does not need to occupy additional space, and the volume of the linear motor can be reduced, so that the linear motor can be applied to the occasions with stricter requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is better reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacture and maintenance are easier.