10results about How to "Rotate synchronously" patented technology

The application relates to a label cutting mechanism and relates to the technical field of label cutting, which comprises a workbench, a displacement sensor, a start-stop roller and a cutter are sequentially arranged on the workbench along the moving direction of a profile strip, the displacement sensor is used for detecting the displacement distance of the profile strip, two start-stop rollers are rotationally arranged on the workbench and jointly clamp the profile strip, a driving assembly for driving the start-stop roller to rotate is arranged on the workbench, the displacement sensor is electrically connected with the driving assembly, and the cutter is used for cutting the profile strip. The application has the effects of avoiding cutting deviation caused by continuous movement of the profile strip as much as possible and improving cutting precision.

This invention relates to the field of stress monitoring device technology and discloses a stress monitoring device for coal and rock strata in coal mine mining. The device includes a mounting shell and a monitoring component. The monitoring component is mounted on the mounting shell and includes multiple arc-shaped baffles arranged in a circular array and fixedly connected to the outer surface of the mounting shell. The opposing surfaces of the arc-shaped baffles form concrete-filled spaces, each containing an arc-shaped plate. When a sensor needs to be replaced, the circular sleeve can be rotated via a handle, causing the monitoring device mounting box to rotate within a circular groove via an arc-shaped sliding plate. With the two circular grooves aligned with the two arc-shaped grooves, the four springs reset, pushing the monitoring device mounting box forward. Subsequently, the arc-shaped baffles can be completely extracted from the mounting shell, avoiding disassembly of the entire mounting shell or damage to the concrete-filled structure, significantly reducing maintenance costs and facilitating maintenance.

The utility model relates to the technical field of biomass energy comprehensive application, and discloses a blade crushing and screening device which comprises a shell, a cutterhead assembly and a conveying assembly. The axis of the shell extends in the first direction, and the cutterhead assembly comprises a cutterhead shaft, an angle adjusting mechanism and blades. The cutterhead shaft is arranged in the shell and is collinear with the axis of the shell, a through hole penetrating in the first direction is formed in the center of the cutterhead shaft, the through hole is used for allowing a driving part driving the cutterhead shaft to rotate around the axis of the cutterhead shaft to penetrate through, and a sealing interlayer is formed between the cutterhead shaft and the driving part; the blade is arranged on the peripheral wall of the cutter head shaft, and the angle adjusting mechanism is arranged in the sealing interlayer and is correspondingly connected with the blade so as to control the blade to rotate around the axis of the blade; the conveying assembly is connected with the angle adjusting mechanism and used for providing driving force for the angle adjusting mechanism. The angles of the blades and the cutting gaps between the adjacent blades can be adjusted in real time through the angle adjusting mechanism, and real-time dynamic control over the ventilation resistance and the material powder fineness in the shell is achieved.

The transmission assembly of the linear lifting device comprises a lead screw, a spline sleeve and a hollow hollow shaft arranged on the outer side of the lead screw in a sleeved mode, the spline sleeve is arranged on the outer side of the lead screw in a sleeved mode and rotates synchronously with the lead screw, the spline sleeve is connected with the inner wall of the hollow hollow shaft in a circumferential relative fixing and axial relative moving mode, and the spline sleeve is composed of two half sleeve bodies. The two half sleeve bodies are folded in the radial direction of the lead screw to form a spline sleeve, one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning protrusion, the other one is provided with a positioning groove, and the positioning protrusions and the positioning grooves are matched in a radial inserting mode so that the half sleeve bodies can be axially fixed relative to the lead screw. The hollow shaft sleeves the spline housing and is used for limiting the positioning protrusions from being separated from the positioning grooves. According to the transmission assembly, the assembly process is simplified, and the integrity and the structural strength of the lead screw are guaranteed; the two half sleeve bodies can be directly folded or separated in the radial direction, and disassembly and assembly are convenient. In addition, the utility model further discloses a linear lifting device provided with the transmission assembly.

The transmission assembly of the linear lifting device comprises a lead screw, a spline housing and a hollow hollow shaft arranged on the outer side of the lead screw in a sleeved mode, the spline housing is fixedly arranged on the outer side of the lead screw in a sleeved mode, and the spline housing is connected with the inner wall of the hollow hollow shaft in a circumferential relative fixing and axial relative moving mode. The spline sleeve comprises two half sleeve bodies and a connecting piece, the two half sleeve bodies are folded in the radial direction of the lead screw and then connected through the connecting piece to be kept in a folded state, one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning protrusion, and the other one of the inner wall of each half sleeve body and the peripheral side of the lead screw is provided with a positioning groove. The positioning protrusions and the positioning grooves are matched in a radial inserting mode so that the half sleeve bodies can be axially fixed relative to the lead screw. In addition, the utility model further discloses a linear lifting device provided with the transmission assembly.

The application belongs to the technical field of coil assembly, and discloses a double-cake coil winding device and a winding method. The device comprises a back plate, a first spool, a second spool, a first winding disc and a second winding disc. A framework is arranged on the back plate, and the outer wall of the framework forms a winding area. An insulating plate separates the winding area into a first winding area and a second winding area, and the insulating plate is provided with a crack. The first spool passes through the back plate and the framework. The second spool is arranged outside the back plate and can rotate. The first winding disc has a first state and a second state. The second winding disc is sleeved on the second spool. When the first winding disc is in the first state, the second winding disc is removed, and the first winding disc is in the second state. The first spool drives the back plate, the framework and the first winding disc to rotate synchronously. Part of the wire is wound on the first winding disc, and the other part is wound on the second winding disc through the crack. Through the application, a single wire can be wound into a double-cake coil, the shape stability of the coil winding is improved, and wire disconnection is avoided.

The utility model provides a kind of efficient base material condenser, including base, the top center of base is fixed with center column, the top of center column is fixed with center tube, the upper end of center tube is fixed with top cover, the surface on top cover is equidistant and is equipped with feed inlet, and top cover is located the bottom of center tube periphery and is equipped with heat dissipation cylinder, the inside of center tube is provided with U type heat absorbing pipe, and the inner wall of heat dissipation cylinder is provided with serpentine pipe, the top of heat dissipation cylinder is provided with first bearing frame, and the bottom of heat dissipation cylinder is provided with second bearing frame, relative to prior art, by the first bearing frame and second bearing frame of staggered can alternately receive base material, and under the driving of driving assembly, moving direction is opposite, can a group of base material is sent out, a group of receiving material, along heat dissipation cylinder and center tube movement, base material is sufficiently heat-dissipated, improve contact time, improve the cooling efficiency of whole.

The invention discloses non-oxidation drawing forming equipment for high-purity aluminum wires, which comprises a support frame, a sealing box fixedly connected to the top end of the support frame, a box door hinged to the side end of the sealing box, a driving part arranged on the sealing box and used for driving the aluminum wires to move along the radial direction of the aluminum wires, and a forming part arranged on the sealing box and used for drawing and forming the aluminum wires, the sealing box is provided with an annealing piece used for conducting annealing treatment on the aluminum wire after the aluminum wire is drawn and formed. Rapid heating, high heating efficiency and low energy consumption of the aluminum wire are achieved through the annealing piece by adopting the electromagnetic induction principle, the low-temperature high-purity argon annular spraying quenching of the spray gun can rapidly lock the microstructure of the aluminum wire, grain coarsening is prevented, the partition plate separates the induction heating area and the quenching area, mutual interference of heat is avoided, the stable annealing effect is guaranteed, and the service life of the aluminum wire is prolonged. And meanwhile, a micro-positive pressure environment is established through the air flow difference between the exhaust groove and the spray gun, air permeation is thoroughly blocked, argon recovery and purification are combined, it is guaranteed that the aluminum wires are not oxidized in the whole process, and the argon use cost is reduced.

The utility model belongs to the technical field of engine heat dissipation, and discloses an electromagnetic clutch reversing fan for an engine, the electromagnetic clutch reversing fan comprises a reversing fan body, a belt pulley, a clutch mechanism and a bracket, the reversing fan body comprises a reversing mechanism and a plurality of fan blades arranged on the peripheral side of the reversing mechanism, and the reversing mechanism can adjust the angles of the fan blades. The belt pulley and the reversing mechanism are coaxially arranged, the clutch mechanism comprises an iron core and a coil which are arranged on the belt pulley, and when the coil is powered on, the iron core can generate magnetic attraction force towards the belt pulley on the reversing mechanism so that the reversing mechanism can abut against the belt pulley to rotate along with the belt pulley. The bracket penetrates through the belt pulley and extends into the reversing mechanism to support the belt pulley and the reversing mechanism, so that oil consumption is reduced when an engine is started or the temperature is low, the utilization rate of output power of the engine is improved, meanwhile, the situation that a transmission belt is prone to fatigue fracture due to instant impact is avoided, and the service life of the transmission belt is prolonged. And the reliability of the engine is further ensured.