1414 results about "Circular motion" patented technology

Disclosed is a turbulent structure of a reactor, the turbulent structure comprising a reactor body (1), a main shaft (2), and a drive assembly (5), wherein the main shaft (2) is rotatably connected to the reactor body (1) and is provided with a shaft rod (201) transversely extending at a bottom end thereof, a transmission member (3) is arranged between the shaft rod (201) and the interior of the main shaft (2), a propeller-type agitator (4) is provided at an output end of the transmission member (3) to drive the propeller-type agitator (4) to rotate, the propeller-type agitator (4) rotates eccentrically around the central axis of the main shaft (2), and the propeller-type agitator (4) is used for propelling fluid upward. The main shaft (2) and the shaft rod (201) drive the propeller-type agitator (4) to perform a circular motion around the axis of the main shaft (2), expanding the area for upward agitation at the bottom, thereby creating a fluid motion inside the reactor body (1) with upward floating on one side and gradual sinking on the other side, resulting in a differential speed between the two sides of the reactor body (1). During rotation, when a blade moves into the differential region of sinking, the upward-floating fluid collides with the sinking fluid, resulting in turbulence.

The invention discloses a welding device for automobile bent pipe fitting machining, and relates to the technical field of automobile pipe fitting machining, the welding device comprises a supporting base, a laser welding assembly and a driving mechanism used for driving the laser welding assembly to do circular motion, and a pipe fitting clamping mechanism is arranged on the supporting base; and the pipe fitting clamping mechanism comprises an elastic adaptive clamping mechanism and a straight pipe clamping mechanism. According to the device, firstly, the bent pipe fitting is centrally clamped in the vertical position through the two clamping plates, when the bent pipe fitting is clamped between the two clamping plates, the downward side of the bent pipe fitting directly extrudes the distributed sliding ejector rods, and the sliding ejector rods at different positions abut against the positions, with different curved surfaces, of the bent pipe fitting through resilience force of the corresponding supporting springs conveniently; and the lifting plate drives the other group of distributed sliding ejector rods to downwards press to the upward side of the bent pipe fitting, so that the bent pipe fitting can be conveniently clamped and positioned at positions with different curved surface degrees, the bent pipe fitting can be conveniently and stably butted with a clamped and fixed straight pipe fitting, and the welding operation can be conveniently and effectively completed.

The invention relates to the technical field of welding platforms, and discloses a multi-station turret type hardware three-dimensional welding platform which comprises a supporting box, a rotary table, a pentagonal mounting table and a protective cover plate, an intermittent feeding part is jointly arranged on the supporting box and the rotary table, and a clamping welding part is jointly arranged on the rotary table, the pentagonal mounting table and the protective cover plate. The multi-station turret type hardware three-dimensional welding platform can effectively solve the problems that in the prior art, a single tool clamp is generally adopted, a main round pipe and a single side round pipe can be clamped and welded, workpieces need to be manually and repeatedly disassembled or tools need to be adjusted, and the welding work efficiency is low; when side circular pipes need to be welded to the left side and the right side of the outer wall of a main circular pipe, due to the fact that the welding precision of the connecting positions of the main circular pipe and the side circular pipes needs to be guaranteed, the two side circular pipes are difficult to clamp at the same time and can drive the main circular pipe to synchronously do circumferential rotation, the two side circular pipes are sequentially clamped and welded, and then the overall welding efficiency is affected.

The invention discloses convenient-to-adjust shaking-up equipment for cell culture, and relates to the technical field of cell culture. The shaking-up device comprises a shaking-up plate which is obliquely arranged in a shell, a plurality of holes are formed in the surface of the shaking-up plate, a limiting assembly is fixedly connected to the inner side face of the shaking-up plate, a driving assembly is fixedly connected to the bottom of the inner side face of the shell, and the side, close to an end cover, of the driving assembly is in spline clamping connection with the surface of the limiting assembly. The clamping assembly is fixedly connected with the inner wall of the hole of the shaking plate, the shaking plate is obliquely arranged, the culture bottle not only generates horizontal circular motion in the rotating process, but also generates up-and-down displacement along with the inclined surface of the shaking plate, and the culture bottle is subjected to a complete ascending and descending process in the process of revolving around the driving assembly for a circle; a three-dimensional composite oscillation effect is formed, so that a culture medium and a culture bottle are promoted to generate complex relative movement, the contact between cells and nutrient substances can be more efficiently promoted, and the gas exchange efficiency is enhanced.

The invention relates to the technical field of grinding machines, and discloses a surface grinding machine which comprises a rotary type grinding mechanism and a linkage type pressure applying mechanism. A hollow rotating column which can rotate along with the second butt-joint plate and is in a hollow state, a fifth butt-joint plate which can axially move along the hollow rotating column and rotate along with the hollow rotating column, and a spiral spring which generates downward elastic pressure on the fifth butt-joint plate are arranged in the second butt-joint plate. According to the surface grinding machine, the basic circular motion type grinding effect of the plane grinding disc on the surface of an object is utilized, and the relative motion of the built-in grinding block around the petal-shaped closed sliding groove is combined, so that the grinding block can generate radial reciprocating motion relative to the rotating axis on the surface of the object, and the grinding efficiency of the object is improved; the two kinds of grinding movement are from the same driving motor, and therefore the effective utilization rate of the driving motor can be effectively increased.

The invention discloses an underwater environment three-dimensional reconstruction method, device and equipment and a storage medium, and relates to the technical field of underwater robots, and the underwater environment three-dimensional reconstruction method comprises the steps: transmitting laser to a target object, and collecting a laser reflection image; extracting pixel coordinates of laser stripes from the laser reflection image; calculating a three-dimensional space coordinate of the laser point based on the pixel coordinate and a camera internal reference matrix; generating a control instruction according to the depth information of the three-dimensional space coordinates, and sending the control instruction to an underwater vehicle to enable the underwater vehicle to execute equidistant diameter circular motion and collect and feed back three-dimensional point cloud data under different poses; and fusing the three-dimensional point cloud data under different poses to obtain a target three-dimensional point cloud model, and completing three-dimensional reconstruction. According to the invention, three-dimensional reconstruction of the underwater environment can be efficiently and accurately realized at low cost, and powerful technical support is provided for underwater exploration and scientific research.

The utility model relates to the technical field of phased array ultrasonic detection, in particular to a phased array ultrasonic detection pipeline scanning device which comprises a detection equipment body, a detection probe and a track ring, and the track ring is provided with a movable assembly used for carrying the detection probe for automatic detection. The movable assembly comprises a movable frame arranged on the track ring and used for driving the detection probe to move, and two pulleys and a transmission part used for driving the movable frame to move are arranged between the movable frame and the track ring. By arranging the movable assembly, the motor can be started to drive the gear to rotate on the gear ring, the movable frame does circular motion on the track ring under the cooperation of the guide groove and the pulley, and the detection probe is driven by the long bolt and the electric push rod to move and scan on a welding seam on the surface of a pipeline, so that the welding seam is detected; the long bolt is arranged, so that the position of the detection probe is adjusted under the action of the guide rod and the electric push rod in the rotating process, and the position of the detection probe is located at the optimal welding seam detection position.

According to the multi-path cooling control method for the non-adjustable flow of the cooling spray box after hot plate rolling, the mode that an annular rail is combined with a trolley is adopted, the trolley bears a sample through a sample bearing table to do annular motion, the annular rail is an oval rail comprising two parallel linear segments and two semicircular segments, and at least one cooling spray box is arranged along the linear segment rail; the cooling area can be infinitely lengthened at any workpiece speed; according to the cooling starting temperature, the water cooling speed, the cooling stopping temperature, the cooling stopping time between the cooling areas and the production line cooling spray box layout of the N cooling areas determined by the experiment, the experiment device is configured according to different spray box opening modes, the cooling experiment is carried out, and spray box opening mode parameters corresponding to the optimal cooling speed of the N cooling areas are obtained; carrying out cooling control after rolling on corresponding sample production; besides, the method is implemented under the condition basically consistent with the actual working condition of the production line, so that the product design output and the production line process control are more accurate and efficient, the product research and development speed can be effectively increased, the process control precision is improved, and the production line trial-manufacturing cost is reduced.

The present invention discloses a device for processing and welding special-shaped pipes for electric vehicles, which relates to the technical field of pipe welding for electric vehicles. The device comprises a housing, wherein the inner wall of the housing is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a protective cover, and the upper surface of the housing is fixedly connected to a pressing component; a surrounding device can also make the roller roll against the outer surface of the special-shaped pipe while driving the roller to rotate in a circular motion. Therefore, the extrusion force of the special-shaped pipe on the roller will change as the contact position between the roller and the surface of the special-shaped pipe changes. The roller, after being squeezed, will drive the moving box and the welding gun to move. Therefore, the device can make the welding gun automatically adjust its position according to the position where the special-shaped pipe needs to be welded, so that the center of the rotary welding and the center of the special-shaped pipe connection always remain coincident, ensuring that the weld at the connection always remains complete and continuous during the process of rotary welding of special-shaped pipes of different diameters by the device.

The present invention discloses a testing device for a rubber water stop joint, which relates to the technical field of rubber water stop joints; in order to improve the detection efficiency; specifically, it includes a base, a supporting part and a testing part for performing a pressure test on the main body of the water stop joint. The testing part includes: a bracket: which is fixed on the outer wall of the top of the base, and a piston cylinder is fixed on the outer wall of the top of the bracket, and a filling pipe and an adjusting pipe are respectively welded on the circumferential outer wall of the piston cylinder; a piston plate: which is movably connected to the inner wall of the circumferential wall of the piston cylinder. In the present invention, by providing a driving plate, the bending seat can be driven to rotate, so that the top of the main body of the water stop joint can be twisted by the rotation of the bending seat, so that the anti-twisting performance of the bending seat can be tested. At the same time, by using the first kidney-shaped hole, the circumferential movement of the driving plate can be converted into the linear movement of the ejector rod, and the ejector rod can be used to drive the piston plate to move downward, so as to test the pressure resistance performance of the main body of the water stop joint.

The utility model relates to the technical field of graphite processing, and discloses graphite sintering equipment capable of being uniformly heated, which comprises a sintering box, a motor is fixedly mounted at the bottom of the sintering box, and a rotating rod is fixedly mounted at the output end of the motor. A motor is started to drive a rotating rod to rotate, at the moment, graphite can be driven by a metal woven mesh to do circular motion around the rotating rod, meanwhile, an eccentric wheel, a sliding frame, a hollow rod, a limiting shaft, a mounting frame and a round pipe are matched to drive a fire spraying head to do up-down reciprocating motion, and the graphite can be evenly sintered through up-down reciprocating motion of the fire spraying head; and the metal woven mesh can be driven to rotate and the fire-jet head can be driven to move up and down in a reciprocating mode through one set of motors, the structure is simple, the equipment manufacturing cost is low, the graphite production cost can be reduced, and enterprises can develop for a long time.

The invention relates to the technical field of workpiece grinding, in particular to an annular workpiece grinding device which comprises a base, a fixing assembly is arranged in the middle of the top face of the base, a vertical connecting rod and a fixing side plate are integrally formed on the edge of the top face of the base, and a workbench is fixedly connected to the top end of the vertical connecting rod. A linear sliding groove is formed in the middle of the workbench. According to the improved grinding device, the circular ring workpiece is fixed, centered and rotated through the fixing assembly, then the grinding assembly is started to drive the grinding abrasive paper to do circular motion around the outer surface of the circular ring workpiece, and the circular ring workpiece is ground. The grinding head can be avoided without halting to adjust the position of the circular ring workpiece or switching the clamp, a large amount of time is saved, the possibility that deviation is generated due to displacement of the circular ring workpiece when the clamp is switched is eliminated, the workpiece can be automatically cooled when the grinding assembly operates, and grinding powder is blown off from the surface of the workpiece.

The invention relates to the technical field of shield tunnel restoration, and discloses an out-of-round shield tunnel restoration device and method.The out-of-round shield tunnel restoration device comprises a movable trolley, one side of the movable trolley is connected with a round hydraulic supporting device through a lifting disc, and the movable trolley is used for driving the round hydraulic supporting device to move in a segment in a shield tunnel; the guide rail is movably arranged on the outer wall of the circular hydraulic supporting device; the supporting mechanism is used for performing circular motion along the outer wall of the circular hydraulic supporting device along with the guide rail; the supporting mechanism comprises a carbon fiber supporting head which is used for making contact with the duct piece and exerting pressure on the duct piece. The segment overrun area is positioned through the center positioning device and the laser range finder, the movable guide rail drives the supporting mechanism to adjust the position of the carbon fiber supporting head, the supporting mechanism ejects the carbon fiber supporting head out to apply pressure to the overrun area, detection and correction of the deformation position of the shield segment are achieved, and directional force application to the local deformation position is achieved; accurate adjustment of the shield segment is achieved, and the problem that overall force application adjustment is not accurate is solved.

The invention provides a sowing device which comprises a feeding port, an auger, a material sowing bin, a discharging port and a material dispersing device, a material stirring rod is arranged in the material sowing bin and is driven by a motor to do circular motion, the material dispersing device comprises an evenly-distributing device, the evenly-distributing device is arranged on the material stirring rod and comprises a fixing part and a plurality of evenly-distributing plates, the fixing part is annular, and the evenly-distributing plates are arranged on the fixing part; the inner diameter shape of the uniform distribution device is matched with the outer diameter shape of the material stirring rod, and the uniform distribution device rotates along with the material stirring rod and is used for scattering the materials conveyed from the auger to the material scattering bin in the falling process so as to change the distribution condition of the materials; the sowing disc is arranged at the bottom end of the material stirring rod and rotates along with the material stirring rod, a plurality of hemispherical protrusions are arranged on the surface of the sowing disc, and the sowing disc is used for ejecting the materials falling onto the sowing disc so as to change the distribution condition of the materials on the sowing disc again and throwing the materials out to a target sowing area through centrifugal force. According to the sowing device, the motion trail of the falling materials can be changed, and the sowing uniformity is improved.

The invention belongs to the technical field of manufacturing of equipment special for ceramic product production, and particularly relates to a ceramic product pressing device which comprises a rack, a first supporting frame and a second supporting frame are sequentially arranged on the rack, a powder box is fixedly installed on the first supporting frame, and a hydraulic oil cylinder used for driving a movable mold is fixedly installed on the second supporting frame. Two groups of transmission shafts are rotationally mounted in the rack, driving chain wheels are mounted at the two ends of the transmission shafts, the two groups of driving chain wheels are respectively meshed with two groups of chains, a plurality of groups of static molds are arranged around the two groups of chains, and a conveying belt mechanism is arranged below the plurality of groups of static molds and does circular motion along with the plurality of groups of static molds; powder in the powder box can automatically enter the pressing groove of the mold body, automatic feeding is achieved, the automation rate of the device is improved, the protruding blocks extrude the rollers, ceramic products in the pressing groove are automatically ejected out by the movable blocks, the protruding blocks replace power equipment to provide discharging power, and therefore the equipment cost input of the device is reduced.

The invention relates to the technical field of overturning structures, in particular to a food processing fryer auxiliary structure which comprises two rotating rings oppositely arranged in the length direction of an oil groove and two net belts located between the two rotating rings and distributed up and down, the net belts are horizontal, and conveying rollers are arranged at the two ends of each net belt. The conveying roller is rotationally arranged in the rotating ring; by adopting the mode that the two net belts form the channel and convey the food, continuous frying treatment of the food can be achieved, the food can be turned over in the channel along with circular motion of the channel, and therefore the tedious operation that the food needs to be turned over manually is avoided, the automatic turning-over working mode is achieved, and the working efficiency is improved. And in addition, the mode can be suitable for floating food and sinking food, so that the functionality of the equipment is improved.

The invention belongs to the technical field of metal pipe continuous bending, and particularly relates to a metal pipe continuous bending device which comprises a rack, two sets of transmission shafts are symmetrically and rotationally installed in the rack, two sets of chain wheels are symmetrically installed on the transmission shafts, the two sets of chain wheels are meshed with two sets of chains correspondingly, and a plurality of sets of pressing modules are arranged between the two sets of chains in a surrounding mode. A plurality of sets of press-fit modules are arranged on the rack, placing grooves and bending grooves are formed in the press-fit modules and communicate with each other, a bending mechanism is arranged on the rack, the press-fit modules are driven to do circular motion, each set of press-fit module can sequentially pass through a feeding point and the bending mechanism, in the metal pipe bending process, a worker can conduct feeding and discharging at the same time, and the working efficiency is improved. And the feeding and discharging time is saved, so that the metal pipe can be continuously bent, and the bending efficiency of the metal pipe is improved.

The invention discloses a mixing device for reinforced concrete pole production, and belongs to the technical field of concrete mixing, the mixing device comprises a charging hopper, the two sides of the charging hopper are both provided with discharging assemblies, and the interior of the charging hopper is connected with a fixing column. According to the invention, by arranging the vibration mixing assembly, the effect of multi-dimensional stirring is realized, the mixing uniformity is effectively improved, a synchronous transmission system is realized by a synchronous belt, a first synchronous wheel and a second synchronous wheel, so that a rotating shaft drives a vibration roller to realize composite circular motion, the convection and diffusion effect of raw materials is greatly enhanced, and meanwhile, the eccentric rotation of a balancing weight greatly improves the mixing uniformity. The shearing force limitation of traditional stirring is broken through, the raw material agglomeration phenomenon can be broken through high-frequency vibration, the interface updating rate of high-viscosity or layered raw materials is remarkably increased, meanwhile, the electric push rod can dynamically adjust the eccentric distance of the balancing weight, frequency-adjustable mechanical vibration is formed, the equipment can adapt to raw materials with different density ratios, and the stirring efficiency is improved. And the raw material mixing effect is improved.

Disclosed is arotary sprinkler head and a spraying device including the same. The rotary sprinkler head has a shell-shaped main body, a rotating body, and a limiting member. The interior of the main body forms a chamber which accommodates the rotating body and is delimited by the limiting member. A water outlet passage is connected to the chamber through one end of the main body. The rotating body features an abutting segment, and a flow guiding passage extends through the abutting segment to connect with the water outlet passage. This flow guiding passage is obliquely oriented relative to the axis of the chamber, thereby allowing the water to enter a second space, then divide into flows through a first space and the flow guiding passage, causing the rotating body to rotate about its own axis and perform a vortex-like circular motion.

The invention relates to the technical field of precise positioning control, in particular to a two-degree-of-freedom large-stroke motion platform applied to wafer detection, which comprises a base platform and a load platform surface, the top surface of the base platform is provided with a linear motion platform and a rotary motion platform which are coaxially arranged, the linear motion platform is used for driving the load platform surface to do lifting motion, and the rotary motion platform is used for driving the load platform surface to do rotating motion. The rotary motion table is used for driving the linear motion table and the load table top to do circular motion, and the linear motion table comprises a linear actuator, an air floatation guide assembly, a first feedback device and a plate spring. The integrated design is adopted, the Z shaft and the Rz shaft are coaxially arranged and share the same air floatation guide assembly, the number of parts is effectively reduced, the axial space is compressed, the structure is more compact, the size of equipment is reduced, the self weight and the assembly difficulty are reduced, non-mechanical-friction guide is achieved, and the influence of friction on precision is avoided; besides, the plate springs distributed in a single layer achieve flexible decoupling through the axial and radial rigidity difference of the plate springs, motion crosstalk is restrained, and the dynamic response speed can be increased without a complex algorithm.

The utility model provides a picking machine for driving fruit trees to do elliptical reciprocating motion, and belongs to the field of agricultural machinery. The picking machine comprises a machine body, a reversing eccentric rotation mechanism and a clamping mechanism; the reversing deflection rotation mechanism is fixed to the machine body and provided with a first input part and a first output part, the input force direction of the first input part is perpendicular to the output force direction of the first output part, and the first input part is connected with an external driving device. One end of the clamping mechanism is rotationally connected with the first output part and does circular motion with the rotating center of the first output part as the circle center, and the other end of the clamping mechanism is connected with an operation fruit tree. According to the picking machine, rigid excitation is achieved through the simplified reversing deflection rotating mechanism and the clamping mechanism, the operation fruit trees are driven by the deflection rotating vibration mechanism to do elliptical reciprocating motion, the fruit falling rate of the operation fruit trees, especially transverse branches, is remarkably increased, the optimal operation efficiency can be achieved with the minimum energy consumption, and the labor intensity of workers is lowered. The device has the advantages of compact structure, low cost, reliable operation, low failure rate and the like.

The invention relates to the technical field of battery pole automatic press-fitting, and discloses a battery pole automatic press-fitting machine which comprises an outer machine base, a limiting rotating groove is formed in the outer machine base, and a quartile table is rotatably arranged in the limiting rotating groove in an attached mode. Eight sets of pole positioning holes acting on the pole base are evenly distributed in the upper end face of the quartile table, and every two sets of positioning holes form a pair. According to the automatic press-fitting machine for the battery pole columns, a constant-speed motor is started, the annular positioning table on one set of correctors does circular motion through transmission, and the annular positioning tables on the two sets of correctors do circular motion in the same direction at the same time through transmission of a synchronous chain between the two sets of chain wheels; the straightening roller generates lateral extrusion acting force with the outer surface of the pole in the circular motion process, the outer surface of the pole is shaped by one circle, it is ensured that the outer surface of the pole conforms to the press-fitting size, the pre-shaping effect is achieved, and therefore the quality and efficiency of follow-up press-fitting are improved.

The utility model relates to the technical field of geotechnical investigation, and discloses an anti-breaking drill rod fixing structure, which is provided with a control component, when a drill rod rotates, a turntable fixed on the surface of the drill rod and a support block synchronously perform circular motion, when the support block moves, the support block is propped against the tangent plane of a sliding rod, and when the sliding rod is stressed, the support block is propped against the tangent plane of the sliding rod. A movable block fixed to the surface of the sliding rod synchronously slides on the surface of the liquid storage frame, a transverse rod fixed to the surface of the movable block transversely moves in the vertical plate under the supporting of a spring, when the movable block moves, a through hole formed in the surface of the movable block is attached to a round hole, and lubricating oil in the liquid storage frame can flow out and fall into a guide frame to enter an arc plate; when the drill rod rotates, lubricating oil can be attached to the connecting position of the drill rod and the fixing plate through the balls, the lubricating oil is beneficial to absorbing and buffering vibration and impact energy in the working process, instant strong impact on the connecting position is relieved, and the possibility of fracture caused by fatigue damage is reduced.

The invention discloses a welding manipulator, which belongs to the technical field of welding equipment and comprises a multi-joint structure of a base, a first connecting arm and a second connecting arm, a base rotating body can rotate by 360 degrees, and the two connecting arms are linked to realize spatial multi-angle pitching swing and expand the working coverage range. A universal point is arranged at the end of the welding head, the welding gun can deflect around the universal point, deflection movement is supported through cooperation of a universal sleeve and a universal ball in the welding head, and the deflection angle is accurately controlled through a guide plate and a driving unit. Meanwhile, the welding head can do circular motion around the center shaft through transmission of a disc, a fluted disc and a gear, and the welding requirement of a circular weld joint is met. And the welding gun can be accurately positioned without overall movement of the mechanical arm through the composite capability of universal deflection of the welding gun and circular motion of the welding head.

The utility model relates to the technical field of pipeline cutting, and discloses a pipeline cutting device with a peeling function, which comprises a processing table, a pipe cutting device is arranged above the processing table, and the pipe cutting device comprises a conveying part; the conveying part comprises a circular ring, a first screw, a sleeve, a sliding rod and a connecting rod. According to the pipeline cutting device with the peeling function, by arranging a circular ring, a first screw rod, a sleeve, a rolling wheel, a U-shaped plate, a second motor, a sliding rod and a connecting rod, the first screw rod is rotated, the circular ring is driven to move towards the sliding rod, the sliding rod is pushed to move through the connecting rod, the rolling wheel extrudes the outer surface of a pipeline, the pipeline is positioned, and after pipeline machining is finished, the second motor is started; the upper rolling wheels drive the pipeline to move, the pipeline is conveyed, and the machining efficiency of the device is improved; by arranging the first motor, the gear and the gear ring, after the first motor is started, the gear drives the gear ring to rotate, the sleeve rotates, the pipeline does circular motion, and peeling and cutting of the pipeline are facilitated.

A bridge engineering drilling pile head girdling device comprises a guide rail mechanism, a fixing mechanism, a walking mechanism, a distance adjusting mechanism and a cutting mechanism. The upper portion of the guide rail mechanism is provided with a plurality of fixing mechanisms, the lower portion of the guide rail mechanism is connected with the walking mechanism, the guide rail mechanism surrounds the drilling pile head and fixes the walking route of the walking mechanism, and the fixing mechanisms jointly cooperate to fix the drilling pile head. The lower portion of the walking mechanism is connected with the distance adjusting mechanism, the lower portion of the distance adjusting mechanism is connected with the cutting mechanism, the walking mechanism drags the cutting mechanism to do annular motion, the distance adjusting mechanism adjusts the distance between the cutting mechanism and the drilling pile head, and the cutting mechanism cuts the drilling pile head. When the annular cutting device is adopted to conduct annular cutting on the drilling pile head, the distance between the cutting blade of the cutting mechanism and the drilling pile head can be automatically adjusted, so that the related drilling pile head breaking task can be completed in a high-efficiency and high-quality mode, the construction progress is fast, steel bars in the drilling pile head are not damaged, and the construction period is shortened. And the integrity of the drilling pile head reinforcing steel bar is effectively ensured.

The adapter of the track socket comprises a socket body, one side of the socket body is provided with jacks, the other end of the socket body is provided with a connecting part used for being connected with a track, a control piece and a conductive assembly are arranged between the jacks and the connecting part, the conductive assembly comprises a fixed plug bush and a rotary contact piece which are electrically connected with each other, one end of the rotary contact piece is installed in the connecting part, and the other end of the rotary contact piece is connected with the control piece. And the control piece drives the rotary contact piece to perform circular motion, so that the conductive pin of the rotary contact piece extends out of the contact part to be connected with the conductive sheet on the track. A fool-proof mechanism used for preventing reverse connection is arranged on the rotary contact piece, the fool-proof mechanism is located at the position, corresponding to the connecting part, of the rotary contact piece, and the fool-proof mechanism and the conductive pin can rotate out of the connecting part or rotate into the connecting part along with the rotary contact piece and are used for being matched with a track fool-proof mechanism on one side of the track. Reverse connection of zero and live wires of the adapter and the track is avoided, and power utilization safety is guaranteed.

The invention relates to the technical field of geothermal resources, in particular to a same-well heat exchange device and method for a middle-deep layer geothermal well. Comprising a geothermal well body, and a recharge well and an annular disc are installed on the outer wall and the inner wall of the geothermal well body respectively. According to the device, underground water can be filtered through the filter cylinder and the sieve holes when the submersible pump pumps the underground water, meanwhile, a movable block can move circumferentially through a motor, and the movable block moves circumferentially to eject impurities clamped in the sieve holes in different positions through the elasticity of a round block, a sliding block, an extrusion spring, an arc-shaped trapezoidal block, an extrusion block and a rubber column; meanwhile, the outer surfaces of the screen holes can be scraped and cleaned through a scraping plate when a movable block moves circumferentially, then impurities scraped by the scraping plate can be blocked and cleaned through a cleaning plate, a torsional spring and a fixed pipe, the subsequent reuse scraping effect is improved, and therefore the screen holes can be continuously cleaned; and the influence on subsequent heat exchange operation caused by reduction of water flow speed due to blockage or accumulation of impurities on sieve pores is avoided.

The invention relates to the technical field of solid-liquid separation equipment, and discloses a self-cleaning type dehydrator which comprises a supporting frame, and two or more supporting plates arranged at intervals are arranged in the direction from the feeding end to the discharging end of the supporting frame; the filtering unit is provided with two sections or more than two sections along the direction from the feeding end to the discharging end of the supporting frame, and a single section of filtering unit is positioned between two adjacent supporting plates; each section of filter unit comprises two or more groups of movable components; the driving mechanism is supported by the supporting plate, is matched with the movable components and is used for driving each group of movable components in the same section of filtering unit to perform circular motion with staggered motion trails; the periphery of the movable ring extends smoothly, a connecting lug used for being connected with the connecting columns in series is arranged on the periphery of the movable ring in a protruding mode, and the periphery of the connecting lug is provided with a guide part used for guiding impurities downwards away from the movable ring in the circular motion direction of the movable ring. The filtering permeability of the equipment can be improved.

The invention discloses a polishing device and a polishing method for a blue glass optical filter, and relates to the field of polishing equipment. The upper polishing disc and the lower polishing disc are used for polishing the upper face and the lower face of a workpiece at the same time, the two faces of the workpiece can be polished at the same time, the polishing efficiency of the workpiece can be improved, the workpiece is positioned through the positioning grooves in the jig disc, and the situation that the workpiece moves disorderly under the friction force effect during polishing is prevented; during polishing, the jig disc can be driven by the planetary driving unit to drive the workpiece to do circular motion and self-rotate, it can be ensured that the two faces of the workpiece are evenly stressed, excessive abrasion of the single face of the workpiece is avoided, and therefore the polishing effect of the workpiece is further improved; during polishing, the lifting frame drives the jig disc to move upwards, so that the bottom surface of the jig disc is separated from the top surface of the lower polishing disc, abrasion of the jig disc and the lower polishing disc caused by continuous contact friction between the bottom surface of the jig disc and the lower polishing disc during polishing is prevented, and the service life of the jig disc and the service life of the lower polishing disc are prolonged.