21results about How to "Change diameter" patented technology

The invention discloses surface polishing equipment for a concentration tank for biological medicine and relates to the technical field of polishing equipment, the surface polishing equipment comprises a base and a tank body, a rack is mounted at the top of the base, a translation motor is mounted at the position, away from the rack, of the top of the base, and a lead screw is mounted at the output end of the translation motor; the position, close to the far end, of the outer wall of the lead screw is installed on the top of the base through a bearing seat. According to the surface polishing equipment for the concentration tank for the biological medicine, an inner polishing assembly is fed into the tank body from an inclined tank opening of the tank body through the lifting assembly under the cooperation of the angular position adjusting assembly, and after the inner polishing assembly enters the tank body, an angular position adjusting frame is driven to rotate through an angular position adjusting motor, so that the angular position adjusting frame is in a vertical posture relative to a fixing frame; the inner wall of the tank body can be polished by matching with the rotating assembly and the polishing assembly, so that the space obstruction caused by an eccentric feeding hole position, a central stirring device mounting hole position and the like is overcome, and the type range of the tank body capable of being treated by the equipment is greatly widened.

The invention belongs to the technical field of brick making equipment, and particularly relates to hollow brick forming equipment which comprises a traction platform and a working platform, the traction platform is composed of a supporting device, a vehicle-mounted platform and a traction frame, and the working platform is composed of a material processing device, a mold device and an extrusion device; wheels for assisting traction are arranged on the two sides of the traction frame, the vehicle-mounted platform is welded to the traction frame and bears load through the wheels, the traction frame is located at the head end of the vehicle-mounted platform, the vehicle-mounted platform is a high-strength steel plate, the middle of the vehicle-mounted platform protrudes upwards to form a guide groove, and a vehicle-mounted forklift is installed on the vehicle-mounted platform. The vehicle-mounted forklift comprises a power box, a forklift door frame and a tray fork. According to the scheme, the mold is high in flexibility, the diameter of the hollow brick mold can be flexibly changed through cooperation of the adjusting motor, the mold outer ring, the mold inner ring, the adjusting gear, the mold block and other components, the size of the mold can be rapidly adjusted according to actual production requirements, and the mold is suitable for manufacturing hollow bricks with different diameters within a certain range.

The invention discloses a rotating shaft assembly of a folding empennage comprising multiple locking mechanisms, and relates to the technical field of unmanned aerial vehicles. Comprising a machine body connecting piece, an axial locking end cover, a driving rotating shaft, a wing connecting piece, a locking sleeve and a driven rotating shaft, the wing connecting piece and the driving rotating shaft rotate synchronously, the driven rotating shaft and the wing connecting piece rotate synchronously and can slide in the wing connecting piece, and the locking sleeve is fixedly connected with the machine body connecting piece and can be clamped with the driven rotating shaft in an automatic sliding manner; a driving torsion spring between the driving rotating shaft and the machine body connecting piece drives the wing connecting piece to rotate; the axial locking end cover completes primary locking on the driving rotating shaft through the first conical pin, the driving rotating shaft completes secondary locking with the machine body connecting piece through the two-way elastic pin, and the driven rotating shaft and the machine body connecting piece complete tertiary locking through the fan-shaped boss. The wing locking device is simple in structure, the locking stability after the wing is unfolded in place is improved through three times of locking, and the locking reliability index meets the requirement.

The utility model relates to the technical field of inverted wire drawing machines, and discloses a special wire falling frame for an inverted wire drawing machine, which comprises a bearing seat and a wire winding frame, the upper surface of the bearing seat is fixedly connected with the wire winding frame, the bottom of the bearing seat is fixedly connected with three supporting bases which are arranged at equal intervals, and the front and rear sides of the supporting bases are fixedly connected with mounting rods; the two mounting rods are fixedly connected with mounting plates, the diameter adjusting device is positioned between the two mounting plates, the diameter of a metal wire wound on the diameter adjusting device can be easily changed, so that a producer can flexibly adjust the specification of a product according to market requirements or specific application requirements, and the production efficiency is improved. Therefore, the adaptability and the production flexibility of the equipment are greatly improved.

The utility model provides aluminum pipe inner wall spraying equipment, relates to aluminum pipe processing equipment technical field, including connecting block and machine body, the outer wall of connecting block is fixedly connected with two connecting seat, one end of connecting seat far away from connecting block is fixedly equipped with first motor, the output shaft of first motor is fixedly connected with rotating rod. During spraying work, the end of the aluminum pipe extrudes the outer surface of the cleaning head, then the cleaning head enters the aluminum pipe, pressure is applied to the cleaning head through a spring, the outer surface of the cleaning head is always attached to the inner wall of the aluminum pipe, and then the cleaning head is attached to the inner wall of the aluminum pipe to slide and rotate; dust and other impurities on the inner wall of the aluminum pipe can be efficiently cleaned, the falling impurities can be blown out through high-speed rotation of the fixing blocks, it is guaranteed that the cleanliness of the inner wall of the aluminum pipe meets the spraying requirement, it is guaranteed that the interior of the aluminum pipe can be evenly sprayed, the inner wall of the aluminum pipe is prevented from being corroded, and the service life of the aluminum pipe is prolonged.

The invention belongs to the technical field of hardness detection, and particularly discloses a continuous multi-point type road surface hardness detection device which comprises an advancing driving type force storage mechanism, a variable speed type spacing control mechanism, an elastic striking execution mechanism and a mounting assembly, the advancing driving type force storage mechanism is arranged on a sliding plate, and the variable speed type spacing control mechanism is arranged on the sliding plate; the variable-speed spacing control mechanism is arranged on the advancing driving type force storage mechanism, and the elastic striking executing mechanism is arranged on the sliding plate. According to the mounting assembly, downward pressure on the sliding plate can be kept, so that rolling contact between the rolling wheels and the ground is still kept when the vehicle longitudinally fluctuates; power is provided through rolling of the rolling wheels to drive the elastic striking executing mechanism to conduct power storage and release, the driving structure can be simplified, and more importantly, when the vehicle speed fluctuates, the stability of the distance between detection points can still be kept.

This utility model discloses a cutting device for sintered metal mesh, relating to the field of sintered metal mesh processing technology. The utility model includes a worktable, a central rod, a support arm, and an I-shaped slider. A central rod is positioned at the center of the upper part of the worktable, with a pressure block rotatably connected to its bottom end. A support arm is rotatably connected to the lower outer circumference of the central rod, and an I-shaped slider is slidably inserted into the support arm. A servo motor is fixed to the top surface of the end of the I-shaped slider away from the support arm, and a rotating shaft is rotatably connected to the bearing. A cutting blade is fixed to the end of the rotating shaft away from the support arm. Support rods are fixed to both sides of the end of the I-shaped slider away from the support arm, and an arc-shaped pressure plate is fixed to the bottom of both support rods. This utility model, by setting up a worktable, support arm, I-shaped slider, cutting blade, central rod, pressure plate, and pressure block, solves the problems of not being able to cut circular sintered metal mesh in one go, the edges easily curling when cutting circular sintered metal mesh, and the inability to cut sintered metal mesh of different diameters.

This invention relates to the field of laser cutting equipment technology, specifically to a display screen laser cutting device and its usage method. The display screen laser cutting device includes a conveyor, a laser cutter, and an automatic quality verification component. The conveyor transports the display screen to be cut to the laser cutter. The automatic quality verification component verifies whether the display screen has been completely cut. The automatic quality verification component includes a mounting bracket, a detection card, and a photoelectric switch. The laser cutter and the mounting bracket are arranged sequentially along the conveyor's transport direction. The detection card is movably mounted on the mounting bracket. The photoelectric switch monitors the relative position of the detection card and the mounting bracket. The photoelectric switch is electrically connected to the conveyor's drive motor. This invention, through its automatic quality verification component, can automatically identify the cutting quality of the display screen, exhibiting a higher level of intelligence and effectively improving the processing efficiency of the display screen.

The invention relates to the technical field of cable recycling, in particular to a cable reel for collecting and arranging waste cables. The variable-diameter winding roller has a unique variable-diameter function, and a gap between the winding roller and a cable coil can be adjusted, so that friction force generated during winding is effectively eliminated, and the material taking difficulty is greatly reduced. At least two supporting points can be provided for the rotating shaft through the three supporting frames, that is, the rotating shaft can be kept balanced under the condition that the three supporting points and the two supporting points bounce back and forth through the detachable design of the middle supporting frame. Meanwhile, due to the detachable design of the middle supporting frame, the cable coil can smoothly slide to the cable storage section, and then the cable coil can be rapidly and safely taken down under the condition that the rotating shaft is not detached from the base.

The utility model belongs to the technical field of low-speed wire cutting, and particularly relates to a low-speed wire cutting machine which comprises a machine box. The side wall of the case is fixedly connected with a wire moving panel; the wire moving panel is fixedly connected to the interior of the case; a cutting box is fixedly connected to the middle of the machine box. A machining base is fixedly connected to the side wall of the cutting box. A machining head is fixedly connected to the top of the machining base. The output end of the bottom of the wire moving panel is fixedly connected with a machining head. The two processing heads are oppositely arranged; the middle of the machining head is fixedly connected with two sets of supporting rods. Every two supporting rods form a group; the middle part of the supporting rod is rotationally connected with a roller; the two groups of rollers are arranged in a crossed manner; a fixing rod is fixedly connected to the bottom of the cutting box; the top of the fixing rod is fixedly connected with a fixing plate; a sliding groove is formed in the side wall of the fixing plate. A sliding block is slidably connected to the middle of the sliding groove. And impurities or metal scraps attached to the surfaces of the metal wires after long-time use can be effectively reduced through the sponge pad.

This invention belongs to the field of blasting engineering technology, and particularly relates to a drilling device for blasting. The drilling device includes a transmission sleeve and an adjusting rod. The transmission sleeve is hollow, with one end connected to a drive device and the other end connected to a drill bit. The adjusting rod is disposed inside the transmission sleeve and includes an adjusting section, a first connecting section, a guide section, and a second connecting section. The adjusting section passes through an adjusting assembly, which adjusts the axial position of the adjusting section relative to the transmission sleeve. The first connecting section connects the adjusting section and the guide section. The guide section passes through a guide block disposed within the transmission sleeve. The second connecting section connects the guide section and a steering block. The steering block is movably connected to the end of the transmission sleeve, and the drill bit is detachably connected to the steering block. All connection points of the adjusting rod are connected by universal joints. This invention can adjust the angle of the drill bit, thereby achieving eccentric drilling and obtaining a variable diameter hole.

The invention discloses an electric pulse auxiliary cutting-rolling composite surface strengthening device and a machining method, and relates to the technical field of metal material surface treatment, the electric pulse auxiliary cutting-rolling composite surface strengthening device comprises a rolling device and an electric pulse auxiliary turning device; the rolling device comprises a fixed base, a mounting sleeve and rolling assemblies, and the multiple rolling assemblies are evenly arranged in an inner cavity of the mounting sleeve in the circumferential direction; the rolling assembly comprises a floating base, a rolling base, a guide cylinder and a rolling end cover which are connected in sequence, a spherical cavity is formed between the guide cylinder and the rolling end cover, and balls are installed in the spherical cavity; the electric pulse auxiliary turning device comprises a first electric brush and a second electric brush, the first electric brush is installed on the lathe bed and makes contact with the chuck mechanism, the second electric brush is installed on the fixed base and used for making contact with the workpiece, and the first electric brush and the second electric brush are connected with the positive electrode and the negative electrode of the pulse power source respectively. The electric pulse treatment is introduced into the cutting process, the rolling effect can be enhanced, thermal stress and thermal deformation can be reduced during rolling, and the machining precision is improved.

The utility model belongs to the technical field of notch polishing, and particularly relates to a plastic pipe notch polishing device which comprises a polishing table, a transmission belt is arranged in the polishing table, a pipe to be machined is placed on the top of the transmission belt, hydraulic machines are slidably installed on the two sides of one end of the top of the polishing table, and the output ends of the hydraulic machines are fixedly connected with driving motors. A polishing assembly is arranged at the output end of the driving motor; the grinding assembly comprises an assembly shell, a transmission ring is fixedly connected to the end, away from the driving motor, of the assembly shell, and an outer grinding head and an inner grinding head are arranged on one side of the transmission ring. According to the pipe polishing device, the diameter of the polishing head can be freely adjusted according to the requirement of a pipe through the design of the polishing assembly, the diameter of the polishing head on the inner side of the pipe can be changed through the design of the inner polishing assembly, and therefore the inner side and the outer side of a notch can be polished at the same time; and the pipe notches can be ground and beveled by adjusting the output distance of the hydraulic machine.

The utility model relates to the technical field of H-shaped steel welding, in particular to a welding device capable of avoiding H-shaped steel flange plate assembly width limitation, a positioning assembly comprises a plurality of containing grooves formed in a bottom frame, auxiliary rollers are arranged in the containing grooves, a through groove is formed in the bottom frame, and two sets of sliding grooves are formed in the inner wall of the through groove. Two supporting plates are arranged in the through groove, sliding blocks are arranged at the bottoms of the two supporting plates, two driving rollers are arranged at the tops of the two supporting plates, sleeve wheels are arranged outside the two driving rollers, a lead screw and a hole groove are arranged in one set of sliding grooves, a limiting rod is arranged in the other set of sliding grooves, and a positioning rod is arranged in the lead screw. A locking groove is formed in the inner wall of the hole groove. The distance between the rollers can be adjusted according to the sizes of flange plates of different H-shaped steel, the H-shaped steel rolling device can be suitable for H-shaped steel of different sizes, the diameter of the rollers can be changed through flexible materials, the adjustable range is enlarged again, and the stability of the H-shaped steel is improved.

This invention provides a straightening device for thin-walled seamless steel pipes; it includes a workbench, a straightening assembly, and a drive unit; the straightening assembly includes one or more of a plurality of first straightening sections arranged on the outside of the steel pipe or a plurality of second straightening sections arranged on the inside of the steel pipe; the drive unit is respectively connected to the first straightening sections and the second straightening sections to drive the first straightening sections and the second straightening sections to move radially along the steel pipe on the workbench; this invention, by arranging the first straightening sections and the second straightening sections in corresponding areas on the inside and outside of the steel pipe, restricts the force applied to the steel pipe during the straightening process to be between the first straightening sections and the second straightening sections, thereby improving the straightening effect of the thin-walled seamless steel pipe. Compared with the operation of applying pressure to the outside of the steel pipe, it effectively reduces the additional stress generated on the surface of the steel pipe adjacent to the straightening part, and avoids the problem of local deformation during the straightening process of thin-walled seamless steel pipes.

The invention belongs to the technical field of metro construction, and particularly relates to a drilling and pouring device for metro station construction, which comprises a mobile vehicle body, a hydraulic control arm, a drill bit lifting rail and an integrated drilling assembly. Steel bar fixing pieces are arranged at the upper end and the lower end of the side wall of the main drill rod respectively, the first micro motor can drive the double-threaded rod to rotate, so that the paired adjusting blocks move face to face or back to back, the distance between the stop rods is adjusted, stirrups at the upper end and the lower end of a steel reinforcement cage can be erected on the adjusting push rods, and the stop rods make contact with the side walls of the stirrups of the steel reinforcement cage. Temporary fixation of the reinforcement cage is achieved through the clamping effect of the reinforcement fixing pieces at the upper end and the lower end on the reinforcement cage, in the drilling process of the adjustable drill bit, the reinforcement cage enters a drill hole along with the adjustable drill bit at the same time, the technical effect that the drilling process and the reinforcement cage placing process are combined into one is achieved, the working time is shortened, and the working efficiency is improved. And the working efficiency is improved.

The invention relates to the technical field of orthopedic surgical instruments, in particular to an acetabulum file capable of continuously adjusting the size, which is used for solving the problem that the size of the existing acetabulum file is not easy to adjust, the acetabulum file comprises a transmission rod, the end part of the transmission rod is rotatably connected with a tool apron, and a plurality of blades are arranged on the tool apron in an annular array; the multiple blades jointly form the hemispherical acetabulum file head and can synchronously slide on the tool apron in the radial direction so as to be synchronously close to or away from each other, and therefore the size of the hemispherical acetabulum file head is adjusted. According to the acetabulum file, when the acetabulum file faces acetabulum with different sizes, the multiple blades are synchronously adjusted to synchronously linearly move towards the circle center position of the tool apron to be close to or far away from the circle center position, so that the diameter of the hemispherical tool bit formed by the multiple blades can be changed, and the acetabulum file is suitable for acetabulum with different sizes or different grinding requirements; and a plurality of acetabulum files with different sizes do not need to be alternately used.

The utility model discloses a fixing clamp for PE drain pipe production, and relates to the technical field of fixing clamps for PE drain pipe production, the fixing clamp comprises a workbench, four sets of fixing plates are symmetrically arranged at the upper end of the workbench, a two-way screw is arranged between two sets of fixing plates, a balance rod is arranged between the other two sets of fixing plates, and the two sets of fixing plates are symmetrically arranged on the workbench. A first motor is arranged at one end of the two-way screw rod, two groups of lower fixing frames are arranged on the outer wall of the two-way screw rod, an upper fixing frame is arranged at the upper ends of the lower fixing frames, second connecting lug plates are arranged on the left and right sides of the lower fixing frames, and first connecting lug plates are arranged on the left and right sides of the upper fixing frame. According to the fixing clamp for PE drainage pipe production, a plurality of drainage pipes can be fixed, batch production of the drainage pipes is facilitated, the production efficiency of the drainage pipes is improved, meanwhile, the distance between the upper fixing frame and the lower fixing frame can be changed through the screws, and the diameter of the fixed drainage pipes can be changed.

The microchannel sheathing canal comprises an outer sheath layer, a hole closing device and a navigation pointer, the periphery of the outer sheath layer is cylindrical, the end of the outer sheath layer is conical, and the microchannel sheathing canal is characterized in that a radius-adjustable opening mechanism is arranged in the outer sheath layer, a through hole is formed in the middle of the hole closing device, a fastening bolt is arranged on the side portion of the hole closing device, and the navigation pointer is arranged on the outer sheath layer. The navigation pointer penetrates through a through hole of the obturator and extends into the outer sheath layer, a placer is arranged at the top of the outer sheath layer, and the outer sheath layer is made of a biocompatible material or other transparent materials; by the adoption of the scheme, the diameter of the outer sheath layer can be changed through the opening mechanism, different diameters can be suitable for various brain surgical operations, and the sheath tubes with different lengths can reach brain tissue layers with different depths.

The utility model discloses a long neck flange convenient to connect, which relates to the technical field of flanges, aims to solve the problem that the disassembly and the use are not convenient enough, and adopts the technical scheme that the long neck flange convenient to connect comprises two corresponding long neck flanges, and round holes and a plurality of mounting holes are formed in the middle parts of frames at the inner ends of the two long neck flanges; the opposite outer sides of the inner ends of the two long-neck flanges are both rotationally matched with outer plates, and a plurality of through holes are formed in the middles of the outer plates. According to the long-neck flange, the outer plate is arranged on the outer side of the inner end of the long-neck flange, the rubber pads are arranged on the inner side of the outer plate, the situation that screws in mounting holes are exposed outside in the later period and rust is caused is effectively prevented, the long-neck flange is more convenient and smoother to disassemble and assemble, and the clamping assembly is arranged in the inner end of the long-neck flange, so that the long-neck flange is convenient to disassemble and assemble. The pipeline in the long-neck flange is tightly clamped, the stability of the long-neck flange after installation is further improved, and the situation that the pipeline slides in the long-neck flange is effectively reduced.

The utility model relates to the technical field of pipe coiling machines, and provides a pipe coiling device for drilling tool machining, which comprises a bottom plate, and an adjusting mechanism is arranged above the bottom plate. By means of the technical scheme, the problems that in the prior art, a plate can only be curled into a tubular workpiece with the fixed diameter, when tubular workpieces with other diameters need to be manufactured, other pipe rolling devices need to be replaced, and use is inconvenient are solved. The two servo electric cylinders are controlled to be started synchronously, the two fixing plates can be driven to move up and down synchronously, then the fixing blocks drive the upper pressing roller to move up and down, the size of the curling space of a plate workpiece can be changed, the bending degree of the plate workpiece can be changed, and the plate bending device can adapt to plates with different thicknesses. And the threaded rod can also be rotated to drive the sliding block to move, so that the distance between the two lower pressing rollers is adjusted, the bending degree of the plate workpiece is changed, and the purpose of finally changing the diameter of the cross section of the tubular workpiece is achieved.