1074 results about "Circular motion" patented technology

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.

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 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 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.

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 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.

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.

A grinding and filtering structure, comprising a grinding and filtering tube body (3) integrally formed by a grinding tube (1) and a filtering tube (2), wherein a grinding and filtering cylinder cover (4) capable of rotating in an inner cavity of the grinding tube is provided in the grinding tube, outer wall grooves (5) distributed in an array are provided at a bottom end of the grinding and filtering cylinder cover in a circumferential direction, and a buffering and collecting slot (6) is provided at the bottom of the grinding and filtering cylinder cover. By using the grinding and filtering tube body in cooperation with the grinding and filtering cylinder cover and a filtering assembly, when the grinding and filtering cylinder cover is driven, bottom grooves (9) and bottom ridges (11) can be subjected to a circumferential dislocation movement to grind substances that need to be ground; under the action of the centrifugal force from a circular motion and gravity, the ground substances automatically pass through a filter screen, thus completing an entire grinding and filtering process; and during the process, there is no need to transfer or clean the ground substances, thereby avoiding the problem of contamination or loss of the ground substances during transfer.

The invention discloses pipeline inner wall welding equipment, which belongs to the technical field of welding equipment and comprises a moving body, a positioning unit and a welding unit. The moving body can axially move in the pipeline, the telescopic body is arranged in the end circular plate, the positioning piece is driven to be accurately clamped into a welding seam, and the pipeline distance is determined; and the positioning sheet is matched with the elastic body through the toothed plate and the extension plate, and automatically gives way when meeting a welded part during welding to prevent a welding seam from deforming. A welding gun of the welding unit is installed in a welding frame and driven by a linear push rod, and the position can be adjusted in real time to adapt to welding seam changes. A fixed column and a cover body structure of the moving body are combined with a worm plate, supporting legs and rollers, so that circular motion welding and stable movement are realized.

The present invention relates to the field of ship technology, and in particular to a device for processing the outer surface of a large workpiece. The device includes a fixed frame, a rotating frame, a rotating drive mechanism, and a cutting mechanism, wherein: the fixed frame is used to be fixedly mounted on the workpiece to be processed; the rotating frame is rotatably mounted on the inner side of the fixed frame; the rotating drive mechanism is mounted on the fixed frame and is transmission-connected to the rotating frame, and is configured to drive the rotating frame to perform circular motion around the workpiece; the cutting mechanism is mounted on the rotating frame, and is used to perform cutting processing on the outer surface of the workpiece. The device can replace manual machining of large workpieces, and can complete the processing of the outer surface of large workpieces without moving the workpiece, thereby improving processing efficiency and processing accuracy. In addition, the device can adapt to the workpiece longitudinally to ensure that the relative position of the device and the processing area of ​​the workpiece remains unchanged, thereby avoiding the occurrence of warping, deformation, displacement, etc. of the workpiece, which affects the processing accuracy of the workpiece.

Systems, methods, and devices include a biopsy tissue extraction device for creating, extracting and / or collecting a biopsy tissue sample. The biopsy tissue extraction device includes a housing with an extraction opening at a first distal end and an actuation handle at a second distal end. Extraction blade(s) extend out the extraction opening responsive to an engagement of the actuation handle. The extraction blade(s) move in a linear and / or circular motion, caused by a shaft connecting the extraction blade to the actuation handle, to cut the biopsy sample from a target tissue angle. The extraction blade(s) have a non-perpendicular or rotational approach angle with the target tissue area, such that the blade(s) fully sever the biopsy sample with a single motion.

The utility model belongs to the technical field of concrete production, and particularly relates to screening equipment for concrete production, which comprises a bottom plate and a box body, a support frame is fixedly mounted on the upper surface of the bottom plate, a first rotating rod is rotatably mounted in the support frame, and a second rotating rod is fixedly mounted at one end of the first rotating rod; a first gear is fixedly mounted on the surface of the second rotating rod, a mounting seat is fixedly mounted on the upper surface of the bottom plate, a motor is fixedly mounted on the upper surface of the mounting seat, and the first gear is meshed with the second gear, so that the transmission efficiency of the motor is greatly improved, and the energy consumption is reduced; a third gear is meshed with a gear ring, so that a second rotating rod rotates and drives the third gear to do circular motion at the same time, a second straight groove plate drags a sliding block to do reciprocating motion in a sliding groove, through holes in a screen are distributed in a linear array mode, the device is more uniform during screening, first threaded rods are symmetrically arranged, and the screening efficiency is improved. And the screen and the sliding block are fixed more firmly.

The invention relates to the technical field of automobile maintenance equipment, and discloses a new energy automobile chassis maintenance manipulator which comprises a base, a first mechanical gripper arm is fixedly connected to the upper surface of the base, a second mechanical gripper arm is rotatably connected to the interior of the first mechanical gripper arm, and a replacement mechanism is rotatably connected to the interior of the second mechanical gripper arm. A first protection mechanism is fixedly connected to the lower surface of the base, a second protection mechanism is fixedly connected to the outer surface of the first mechanical claw arm, and the first protection mechanism enables the manipulator to move conveniently, reduces the load of a motor, eliminates interference of circular motion and stabilizes operation of the claw arms. The clamping jaw replacing mechanism can replace clamping jaws according to needs, and the grabbing force is dispersed; the second protection mechanism is provided with an elastic rod piece at a key part to buffer external force; the first protection mechanism and the second protection mechanism cooperate with each other, the tremor risk of the claw arm is reduced, and the manipulator is assisted to operate flexibly and stably during maintenance.

The invention belongs to the technical field of other metal processing machinery manufacturing, and particularly relates to a cable bridge continuous welding device which comprises a machine tool, two transmission shafts are symmetrically and rotationally installed in the machine tool, two chain wheels are arranged at the two ends of each transmission shaft respectively, and the two chain wheels are meshed with two chains. A welding mechanism is fixedly installed on the machine tool, each placing frame comprises a main frame body, two sets of limiting plates symmetrically arranged on the main frame body, and two sets of stop blocks symmetrically arranged at the two ends of the limiting plates, and the two ends of the main frame body are connected with the two sets of chains correspondingly; the placing grooves are formed in the main frame body at equal intervals and used for limiting crosspieces, the multiple sets of placing frames are driven to do circular motion, the placing frames can sequentially pass through a feeding point and the position below the welding mechanism, in the bridge frame welding process, workers can conduct discharging and assembling on bridge frames at the same time, the taking and placing time of the bridge frames is saved, and the welding efficiency is improved. Therefore, the welding efficiency of the bridge is improved.

The utility model relates to a manual focusing tool for laser alignment. The tool comprises a base, a mounting frame is arranged on the base, a first gear is arranged on the mounting frame in a synchronous rotation mode through a first wheel shaft, and a second gear in meshing transmission with the first gear is arranged on the mounting frame in a synchronous rotation mode through a second wheel shaft. The first wheel shaft is provided with a force application rod for manual rotation, the second wheel shaft is provided with an eccentric column, the axis of the eccentric column is parallel to the axis of the second wheel shaft, and the eccentric column is used for being matched with an annular groove in a laser shell or an annular groove in a collimating mirror shell in a limiting mode. Rotation of the first wheel shaft drives the eccentric column to do circular motion with the axis of the second wheel shaft as the center line so as to drive the laser or the collimating lens to do linear reciprocating motion, and adjustment of the distance between the laser and the collimating lens is achieved. The tool structure not only is simple in structure and low in price, but also is very convenient to use.

The invention relates to the technical field of river water pollution treatment, and discloses a river water pollution treatment device which comprises a shell type flow guide mechanism and a driven liquid medicine compression mechanism. The intercepting blade is located in the outer pipeline shell and can rotate, the crankshaft is located in the inner pipeline shell and can do circular motion along with the intercepting blade, and the piston plate is located in the longitudinal connecting shell and can generate piston type liquid compression. The riverway water pollution treatment device is installed in a duct of a riverway dam, the rotation phenomenon of the device is generated through impact of flowing water flow of a riverway, the rotation can drive a mechanism to generate piston type reciprocating motion, and then liquid medicine can be automatically added into flowing riverway water along with flowing of the water flow; therefore, the uniformity of the liquid medicine during mixing is improved, the treatment effect of the liquid medicine is improved, and meanwhile, the use cost is reduced.

The invention relates to the related technical field of shot blasting machines, in particular to a dust removal mechanism capable of eliminating mixing and a shot blasting machine with the same, the dust removal mechanism capable of eliminating mixing is arranged in a cabinet body and can suck dust floating above a crawler belt, an anti-mixing structure is further arranged below the crawler belt, and the anti-mixing structure comprises a cylinder, a dust removal mechanism and a dust removal mechanism, the crawler belt is fixed in the cabinet body and connected with a hopper through a pipeline, and shots can sequentially pass through the sliding holes in the crawler belt, the hopper, the pipeline and the cylinder to fall into a spiral conveyor arranged at the bottom of the cabinet body; the multiple buckets are arranged in the cylinder, the buckets can do circular motion and move in the axial direction of the cylinder, specifically, the buckets deflect downwards, the shots can be shoveled up, lifted and dumped immediately, the shots fall off freely, the collision probability of the shots and ions in airflow is increased, and therefore the impact probability of the shots and the ions in the airflow is increased. Dust particles are more easily taken away by ion wind, so that the dust removal efficiency and the mixed dust removal effect are improved.

A slot type filtering device with reciprocating grid component, comprising: filtrate tank, slot type filter; filtrate tank is used for receiving filtrate filtered from slot type filter; slot type filter comprises: beginning end wall, bottom, side wall, back wall; beginning end wall, bottom are integrally formed with grid component; side wall comprises at least one group of side plates, which is formed by extending upward from left and right grid; when material enters the slot type filter, the reciprocating circular motion of the movable grid ensures the unobstructed of the filter gap, and the filtrate is discharged from the filter gap to the filtrate tank as much as possible. The present application has the advantages of multiple filtering channels, good filtering effect, simple structure, strong stability, and is suitable for various use occasions such as grating, sand setting, sludge pre-concentration, dehydration and re-filtering of filtrate.

The utility model discloses a raw material mixing device for food processing, which belongs to the technical field of food processing, and comprises a bottom barrel and a sealing barrel, the outer surface of the bottom barrel is communicated and provided with a discharge pipe, and the upper surface of the sealing barrel is provided with a uniform mixing component; according to the edible oil blending device disclosed by the utility model, the blending assembly is arranged, a movable rod can be driven to perform circular motion in the bottom barrel along with rotation of a fixed plate, and a transmission gear can drive the movable rod to rotate on the lower surface of the fixed plate under the action of an inner gear ring, so that a stirring rod is driven to stir edible oil and raw materials in the bottom barrel; a mounting sleeve drives a scraping rod to move on the inner side wall of the bottom barrel through a connecting rod, raw materials adhered to the inner side wall of the bottom barrel are scraped, compared with single-direction stirring, the mixing efficiency is higher, the uniformity is higher, meanwhile, the raw materials on the inner side wall of the mixing device can be scraped, waste of the raw materials is avoided, on one hand, the working efficiency of the mixing device is improved, and on the other hand, the mixing efficiency is improved. On the other hand, the purpose of saving resources is achieved.

The utility model relates to the technical field of phenylethylamine preparation, in particular to a heat-preservation stirring device for dextro-phenylethylamine preparation, which comprises a box body, the box body is of a cavity structure, two through holes are formed in the box body, a liquid inlet pipe and a liquid outlet pipe are respectively and fixedly arranged in the two through holes, a drying box and a filter box are fixedly arranged on the outer wall of the box body, and the filter box is arranged in the box body. A cover plate is arranged at the upper part of the box body, a detachable driving motor is mounted at the upper part of the cover plate, a fixed rod is fixedly connected with a stirring blade, and a cooling pipe and a heating wire are arranged between the outer wall of the reaction tank and the inner wall of the box body. The first rotating rod rotates to drive the vertical bevel gear on the lower portion to rotate, then the second rotating rod and the third rotating rod can rotate, the connecting rods on the two sides can do circular motion with the second rotating rod and the third rotating rod as the circle center, and therefore stirring rods at the two ends of the connecting rods can stir stirring liquid up and down; the upper and lower temperatures of the reaction liquid are more balanced.

A device for rotating one or more artificial dental teeth is disclosed, comprising an upper element having top surface that defines at least one positioning opening capable of receiving a stem, the stem extending between an attaching end and a tooth end, the tooth end capable of holding one or more artificial dental teeth, a lower element having a bottom surface, the lower element capable of moving in a circular motion in relationship with the upper element; a securing element disposed between the top surface of the upper element and the bottom surface of the lower element, the securing element capable of securely holding the stem at a location proximal towards the attaching end within the device; and a turning system disposed between the top element and bottom element, the turning system capable of spinning the stem within the securing element; whereas by moving the lower element in a circular motion against the upper element, the turning system is thereby engaged to spin the stem within the securing element.

The utility model provides an FCT overturning test device, and relates to the technical field of test devices. According to the FCT overturning test equipment, when the transmission motor is started, the output end of the transmission motor drives the rotating block to rotate, when the rotating block rotates, the moving block rotationally connected with the rotating block can perform circular motion under the driving of the rotating block, and meanwhile, the moving block slides in the limiting ring; the limiting ring drives the rack to do linear motion along the fixing block, due to the fact that the rack is meshed with the gear, the linear motion of the rack drives the gear to rotate, and then the overturning base plate fixed to the gear is driven to overturn around a rotating shaft of the gear; the overturning base plate is rotationally connected with the second supporting block through the rotating shaft, a second limiting rod in a limiting groove formed in the rotating shaft plays a role in limiting excessive rotation of the rotating shaft, and it is guaranteed that the overturning action is conducted stably and accurately.

The application discloses a vertical shaft rapid excavation equipment, which comprises a base body, a deep pit groove is formed in the top of the base body, a base and a second ring beam are arranged in the deep pit groove, a fixing assembly for positioning the second ring beam is arranged on the top of the base, a positioning frame is fixedly connected to the circumferential inner wall of the second ring beam, a moving groove is formed in one side of the positioning frame, a sliding column is fixedly connected to the bottom inner wall of the moving groove, and a moving block is sleeved with the circumferential outer wall of the sliding column. In the application, the drill bit can be driven to rotate together with the horizontal plate during the circumferential movement of the horizontal plate, the drilling depth and position of the drill bit can be adjusted by starting the hydraulic rod during the drilling of the drill bit, the drilling area of the drill bit is enlarged, the drilling demand of people on the vertical shaft is met, the whole drilling process does not need manual work to go deep into the bottom of the vertical shaft, the safety of the whole equipment is further improved, and the drilling efficiency on the vertical shaft is improved.

This utility model relates to the field of material mixing equipment technology, and discloses a precise proportioning and mixing device for soil conditioner raw materials. The inner wall of the mixing tank is provided with a mixing chamber, and the inner wall of the mixing chamber is symmetrically rotatably connected to a mixing shaft. This utility model improves the proportioning accuracy of materials by providing a dispersion chamber on the inner wall of the mixing tank and using the dispersion chamber to disperse the materials before mixing. The mixing shaft drives the rotation of the transmission gear, which in turn drives the transmission belt to rotate. Then, the transmission gear drives the turntable and push rod to perform circular motion. Next, the cross sliding plate and the sliding frame achieve reciprocating sliding through the circular motion of the push rod. The meshing of the gear and the rack enables the worm gear to drive the rotation of the worm wheel. Finally, the worm wheel drives the dispersion screw to rotate and disperse the materials. Through the reciprocating rotation and sliding motion, the dispersion screw effectively disperses the materials evenly on the inner wall of the mixing chamber for mixing.

The utility model provides a bending tool for a window frame. The bending tool comprises a base; the disc is arranged on the base, and a forming cambered surface is arranged on the periphery of the disc; the push rod assembly comprises a push rod and a roller, the push rod is rotationally connected with the disc and the base, and the rotating point of the push rod is located on the circle center of the disc; the roller is arranged on the push rod, and a profile channel is formed among the roller, the disc and the base; and when the sectional material is bent, the push rod drives the roller to do circular motion around the rotating point, so that the roller bends the sectional material in the sectional material channel on the forming arc surface. The profile is placed in the profile channel, pushing force is applied to the push rod, the push rod and the roller are guided to conduct circular motion along the forming arc face of the disc, so that the roller bends the profile in the profile channel to the forming arc face, the profile is gradually stretch-bent under the action of the pushing force till the expected bending degree is achieved, deformation of a window frame is accurately controlled, and the yield of the window frame is improved. Therefore, the design requirement is met, and the structural stability and the use function of the window frame are ensured.

This utility model relates to the technical field of windbreak and sand-fixing vehicles, and discloses a windbreak and sand-fixing vehicle, including a sand-fixing vehicle, a plow frame, and a plow head, and further includes: a mounting base, which is fixedly installed at the bottom of the plow frame, and a connecting shaft is rotatably installed on one side of the mounting base; in this embodiment of the utility model, by rotating the handwheel at the end of the connecting shaft, the mounting frame on the connecting shaft can be rotated in a circular motion, so that the three sets of plow heads arranged in a triangle at the end of the mounting frame can be rotated and adjusted in position. The plow head adjusted to the lowest position can be used for sand-fixing operations such as plowing the roots or filling ditches. By rotating the handwheels at the top of the two sets of fastening screws, the bottom end of the fastening screw can penetrate into the corresponding positioning through hole. The bottom end of the fastening screw has an anti-slip rubber sleeve to achieve an anti-slip fastening effect with the positioning through hole, thus securing the connected shaft after rotation and adjustment.