38results about How to "Achieve support fixation" patented technology

The utility model discloses a soil drilling device for ecological environment monitoring, and particularly relates to the field of environment detection, the soil drilling device comprises a supporting plate, a sampling mechanism of the soil drilling device is installed in the supporting plate, and the sampling mechanism comprises a supporting rod, a threaded rod, a threaded through hole, a rotating handle, a sampling barrel, a sawtooth piece, a storage groove, a hydraulic rod, a movable plate and a drill bit. The sampling mechanism is arranged to drill soil at a specified depth, the whole device is moved to a specified area of the soil needing to be drilled, the rotating handle is controlled to drive the threaded rod to rotate, the threaded rod drives the sampling barrel to rotate and move downwards, the sawtooth piece makes contact with the soil and drives the sampling barrel to be inserted into the soil, and meanwhile a drill bit in the sampling barrel rotates along with the sampling barrel. The insertion height of the threaded rod is observed, after the threaded rod is inserted to a specified depth, the telescopic hydraulic rod and the movable plate are controlled to enter the sampling barrel, and when the sampling barrel moves downwards again, the soil enters the storage groove, so that the soil at the specified depth is drilled, and the monitoring effect on the ecological environment is improved.

The invention relates to the technical field of fixed launching pad structures, in particular to a fixed launching pad structure which comprises a table body, a partition is connected to the center of the interior of one side of the table body in a partition mode, handrails are symmetrically and fixedly connected to the edge of the upper end of the table body in parallel, and turning plates are rotationally connected to the front side and the rear side of the table body through connecting shafts. The inner wall of the upper end of the inner side of the table body is fixedly connected with a first rotating shaft, the inner side of the first rotating shaft is rotationally connected with a frame, the upper end of the frame is fixedly connected with multiple sets of corrugated boards, the inner walls of the two sides and the rear side of the interior of the table body are fixedly connected with second rotating shafts, and the inner sides of the second rotating shafts are rotationally connected with connecting rods. The rear side of the connecting rod is fixedly connected with an overturning oil cylinder, the tail end of one side of the connecting rod is fixedly connected with a connecting rod, the center of the connecting rod is fixedly connected with an overturning shaft, and the tail end of the upper end of the connecting rod is rotationally connected with a frame. And the four-bar mechanism is driven by the overturning oil cylinder, and the stability of the cover plate is improved by utilizing a connecting rod dead point.

The utility model discloses a heavy -duty gear heat treatment equipment relates to gear heat treatment field, including carburizing furnace and frame board, the top of frame board is fixed with the connecting column, the top of frame board is fixed with four groups of support column, the top of support board is fixed with the blocking column, the top of support board is installed six groups of support ball. The utility model solves the problem that the gear appears large -area carburizing blind area and the inside hardness of hub is too high in the carburizing heat treatment process of gear, when placing the gear to the carburizing furnace inside and carrying out carburizing heat treatment, can be hung on the outer wall of blocking column, and the hub of gear is shielded to blocking column, thereby reducing carbon atom contact to hub surface, and the outer wall of blocking column bottom is provided with knurl, and the knurl can increase the friction between blocking column and gear hub, thereby realizing the support fixing of blocking column to gear, if the quality of gear is bigger, the support ball on support board can support gear, thereby reducing the carburizing blind area of gear end face.

The present invention relates to the field of cable connection technology, and specifically proposes a high-safety power cable connector assembly, including a connector sleeve, an arc-shaped bracket, a wire groove and a compression sealing unit. The present invention separates adjacent wires through the wire grooves on the two arc-shaped brackets, which not only avoids the electromagnetic interference caused by the electromagnetic field interaction between adjacent wires, affecting the stability of signal transmission, but also makes the wires neatly arranged and compressed, avoiding the problem of disconnection of the wire connection due to shaking during use, and the upper and lower half-tubes are used to cover and press the limit plug-in locking unit and the compression sealing unit and the two arc-shaped brackets, and the two half-tubes are connected and compressed and sealed by the locking member, which not only further improves the sealing of the cable connection, but also enables the cable to obtain multiple compression connections under the connection action of the connector assembly, improves the firmness of the cable connection, and thus ensures the safety and stability of the cable use.

The utility model relates to the technical field of forklift maintenance equipment, in particular to an IGV forklift auxiliary maintenance device which comprises a fixing support, supporting feet, a bearing cross rod and a limiting mechanism, the fixing support is of a rectangular frame body structure, a first fixing groove is formed in the upper portion of the fixing support, and the bearing cross rod for bearing an IGV trolley is arranged in the first fixing groove; a limiting mechanism is arranged on the upper portion of the fixing support and comprises a first adjusting screw rod and a first limiting block, and the first limiting block is connected with a screw hole in the upper portion of the fixing support through the first adjusting screw rod. A moving mechanism is arranged at the bottom of the supporting leg, the moving mechanism comprises a bearing base and a rotating wheel support, the bearing base is connected with a screw hole in the bottom of the supporting leg through a second adjusting screw rod, and the rotating wheel support is connected with one side of the supporting leg through a connecting piece. The whole trolley can be lifted up through a power system of the IGV forklift, and operators can maintain the trolley at the bottom of the forklift conveniently.

The utility model relates to the technical field of electronic rearview mirror demonstration, in particular to a PC (Personal Computer) mounting piece of an electronic rearview mirror demonstration device, which is characterized in that one side of a shell is provided with a connecting part for supporting a camera, the top of the shell is provided with a supporting part for clamping a screen plate, and the top surface of the shell is provided with a projection notch; an LBS light machine installed in an inner cavity of the shell part projects an image to the screen plate through the projection notch, the supporting frame comprises two longitudinal beams and two cross beams, the two longitudinal beams are arranged in parallel, the two ends of each longitudinal beam are integrally formed on the front wall and the rear wall of the inner cavity of the shell part respectively, and the two cross beams are arranged between the two longitudinal beams, and the two ends of each cross beam are integrally formed on the front sides and the rear sides of the middles of the longitudinal beams respectively. The positions, corresponding to the outer side wall of the micro PC, of the cross beam and the longitudinal beam are each provided with a flanging structure, a wire harness connected with the camera extends from an inner cavity of the shell part connecting part and then is connected to the input end of the micro PC through a wire, and the output end of the micro PC is electrically connected with the input end of the LBS optical machine. The problem that the electronic rearview mirror element is inconvenient to effectively fix and support, so that the function demonstration is difficult to carry out is well solved.

The utility model discloses a supporting tool for a large aircraft body. The supporting tool comprises a bracket assembly and a supporting lifting platform. The bracket assemblies are used for supporting different parts of the bottom of a machine body, and the two ends of each bracket assembly are detachably connected with the corresponding supporting lifting platform; when the bracket assemblies are fixedly connected with the supporting lifting platforms and supported and fixed to the bottom of the machine body, the machine body is suspended. The utility model has the characteristics of compact structure, convenience in disassembly and assembly, high structural strength, high turnover utilization rate and the like, and meets the support and transfer requirements of the large aircraft fuselage.

The utility model relates to the technical field of fixing frames, in particular to an ewe midwifery fixing device which comprises a frame body, the surface of the frame body is movably connected with a front blocking door, the surface of the frame body is movably connected with a rear blocking door, the surface of the frame body is fixedly connected with a cross beam, a rotating drum is arranged in the cross beam, one end of the rotating drum is provided with a nut sleeve, and the other end of the rotating drum is provided with a nut. The interior of the nut sleeve is connected with a screw rod through threads, and the surface of the screw rod is fixedly connected with a rotating shaft. Through the connection of the screw rod and the abutting plate, under the action of the nut sleeve, the nut sleeve is rotated to synchronously drive the positions of the screw rod and the abutting plate to change up and down, so that an ewe is fixed and limited by the abutting plate, and midwifery is prevented from being influenced by large-amplitude swing of the body of the ewe in the delivery process; meanwhile, accidental injury to the delivered lambs is avoided, the device can be conveniently used for ewes with different weights, and the use range is greatly widened.

According to the carbon neutralization device installation component, when equipment works, firstly, a monitoring device is placed in a fixing base, then a clamping rotary knob is screwed, then a first clamping threaded rod and a second clamping threaded rod are driven to rotate, and then a clamping plate is driven to clamp and fix the monitoring device; then, by screwing an adjusting knob, a first adjusting threaded rod and a second adjusting threaded rod are driven to rotate, then a pressing connecting plate is driven to move, a pressing plate is driven to move, the elasticity of a pressing piston rod is utilized, then the detection device is pressed and fixed, and then through work of a lifting oil cylinder, the detection device is driven to move. According to the monitoring device, the first lifting rod and the second lifting rod are driven to move, the height of the detection device is adjusted, finally, the monitoring device is supported and fixed, meanwhile, the monitoring height of the monitoring device is adjusted, and the monitoring effect of the monitoring device is greatly improved.

This utility model discloses an upper limb exoskeleton, relating to the field of industrial assistive device structural design technology. The upper limb exoskeleton includes: a shoulder restraint, a waist restraint, an upper arm fixation, a shoulder rotation mechanism, and an assist mechanism. The lower side of the shoulder restraint is connected to the waist restraint, and an assist mechanism is provided below the shoulder restraint. The lower end of the assist mechanism is fixedly connected to the waist restraint, and the upper side of the assist mechanism is fixedly connected to the shoulder rotation mechanism, which is connected to the upper arm fixation. This upper limb exoskeleton provides support and fixation for the user's upper body through the shoulder and waist restraints. To achieve a lightweight design, assist mechanisms are provided on both sides of the shoulder restraint. The rotation of the shoulder rotation mechanism causes the internal tension springs of the assist mechanism to elastically deform and return to their original position, providing mechanical assistance for shoulder movement and ensuring the stability of the assist mechanism. It is adaptable to users of different body types, ensuring flexible movement with multiple degrees of freedom.

The utility model provides an inductor winding auxiliary structure, which relates to the field of inductor winding equipment, is arranged in a winding machine and comprises a fixed column and auxiliary fixing devices movably arranged on opposite sides of the fixed column, and the two auxiliary fixing devices can extend into the fixed column. The two auxiliary fixing devices are arranged to be used for synchronously fixing and supporting the inner side wall of the inductor, the bottom of the fixing column is further fixedly connected with a driving device used for enabling the fixing column to rotate, and the inductor is fixed through synchronous supporting of the two auxiliary fixing devices. And the two auxiliary fixing devices can extend into the fixing column, so that during use, a wire can directly pass through the two auxiliary fixing devices in the process of winding the wire on the inductor, the operation of the whole device is not influenced, the whole device not only realizes the supporting and fixing of the inductor, but also does not influence the wire cable during operation, and the whole device is convenient to use. And the overall winding quality of the inductor is improved.

The utility model relates to the technical field of supporting frames, and discloses a landscape garden nursery stock supporting frame which comprises a sidewalk, a planting foundation pit is formed in the top face of the sidewalk, two L-shaped plates and two movable plates are arranged on the top face of the planting foundation pit, the landscape garden nursery stock supporting frame further comprises an adjusting assembly and a fixing assembly, the adjusting assembly is arranged on the top faces of the L-shaped plates, and the fixing assembly is arranged between the L-shaped plates and the movable plates. The adjusting assembly is used for adjusting the length of the L-shaped plate and the length of the moving plate, the adjusting assembly comprises a first fixing hole, the first fixing hole is formed in the top face of the L-shaped plate, and the sidewalk, the planting foundation pit, the L-shaped plate, the moving plate, the first fixing hole, a threaded column and a first limiting plate are used in cooperation to adjust the length of the L-shaped plate and the moving plate. The effect of adjusting the lengths of the L-shaped plate and the movable plate can be achieved, through matched adjustment of the L-shaped plate and the movable plate, the length can be maximized, pits with different lengths can be adapted, the distance between the two supporting rods can be maximized, the supporting faces of the multiple supporting rods are increased, the supporting effect is guaranteed, and the device is practical.

The utility model relates to the technical field of transformer coil press fitting, and provides a transformer coil press fitting tool which comprises a base plate, the output end of a pneumatic telescopic rod is fixedly connected with a sliding block, the top end of the sliding block is fixedly connected with a fixed clamping plate extending to the outside of the base plate, and the top end of the fixed clamping plate is movably connected with a movable clamping plate. The two sides of the chassis are movably connected with a fixing frame, the upper end of one side of the fixing frame is movably connected with a top disc, and the output end of the hydraulic cylinder penetrates through the top disc and is fixedly connected with a pressing disc. The adjusting blocks are moved to be clamped into the proper adjusting holes, so that the sliding plate is limited and fixed after sliding, the overall height among the movable clamping plate, the fixed clamping plate and the sliding plate can be changed, and the transformer coils with different heights can be firmly supported and fixed.

The invention discloses an online roll changing device for a sealing box and an online roll changing method in the technical field of glass production equipment. The online roll changing device comprises a rack, and a transverse through groove is formed in the rack; the top end of the supporting hoof foot is fixedly connected with the rack; the connecting frame is accommodated in the transverse through groove; the static hoop assembly is fixedly connected with one end of the connecting frame; the movable hoop assembly is detachably and fixedly connected with the other end of the connecting frame; the auxiliary walking assembly is arranged under the other end of the connecting frame and fixedly connected with the connecting frame; the rotating roller assembly is arranged at one end of the connecting frame and is fixedly connected with the connecting frame; the walking wheels are installed on the two longitudinal sides of the static hoop assembly and the movable hoop assembly, and the distance between the two walking wheels is larger than the longitudinal groove width of the transverse through groove. The online roller replacing device is simple in structure and easy to operate, the roller replacing time is greatly shortened, and a large amount of labor cost is saved.

A safety belt fixing device for high-altitude operation at the top of a bridge pier comprises a steel wire rope (2) arranged to stretch across the top of the bridge pier and a supporting seat assembly arranged between the steel wire rope (2) and a bridge pier cover beam check block, fixing of a safety belt is achieved through the steel wire rope (2), and end tensioning connection of the steel wire rope (2) is achieved through the supporting seat assembly. The emptied safety belt connecting rope body is arranged in the high-altitude operation place at the top of the bridge pier, the technical problem that safety belt fixing points are lacked due to the fact that pre-buried padstone reinforcing steel bars serve as the safety belt fixing points is solved, and therefore the fixing requirement of the safety belt on the high-altitude operation place at the top of the bridge pier is met.

A positioning and mounting device for a tunnel inverted arch secondary lining water stop steel plate comprises a stretching beam (4) mounted on a tunnel inverted arch shaping steel formwork and a forceps clip component arranged on the stretching beam (4), the forceps clip component is supported and mounted through the stretching beam (4), and the tunnel inverted arch secondary lining water stop steel plate is positioned and mounted on the tunnel inverted arch shaping steel formwork through the forceps clip component. The inner edge of the tunnel inverted arch secondary lining water stop steel plate is clamped and connected, the tunnel inverted arch secondary lining water stop steel plate located at the installation position is in the state of being supported by the contact face, and the technical problem that the tunnel inverted arch secondary lining water stop steel plate is fixed to structural steel bars through steel bar welding is solved. Therefore, the phenomenon that the water stop steel plate is easily damaged due to welding is prevented.

The utility model discloses a pool wall pouring formwork splicing and reinforcing structure which comprises a plurality of formwork bodies, one sides of the formwork bodies are fixedly connected with a first connecting lug and a second connecting lug respectively, a fixing block is arranged below the second connecting lug and fixedly connected with the formwork bodies, a pull rod is connected to the fixing block in a sliding mode, and the first connecting lug and the second connecting lug are connected with the pull rod in a sliding mode. The outer walls of the pulling rods are fixedly connected with sliding blocks, the sliding blocks are slidably connected with the formwork bodies, the outer surfaces of the pulling rods are sleeved with springs, the formwork bodies are spliced in the transverse horizontal direction and the transverse vertical direction, flexible building can be conducted according to the width and the height of the pool wall, and through the use of the fixing rods, the formwork bodies can be conveniently fixed. The butt joint rods are clamped on the first connecting lugs and the second connecting lugs on the two transverse adjacent formwork bodies, butt joint locking is conducted through the locking columns and the locking holes in the butt joint rods, fixing between the two transverse adjacent formwork bodies is achieved, the stability of the formwork is improved, rapid building can be achieved, and the working efficiency is improved.

The utility model discloses a kind of automobile roof harness glueing devices, it is related to glueing device technical field, including: spray gun, set in the glue sprayer main body, with glue sprayer main body fixed connection;Universal wheel, with multiple, and multiple universal wheels are evenly arranged on the supporting plate, with supporting plate fixed connection;Fixed groove, set up on the supporting plate;Clamping frame, set in the glue sprayer main body, with glue sprayer main body fixed connection;By setting fixed mechanism and fixed groove, supporting plate is supported and fixed, avoid glue sprayer main body when using, universal wheel generates movement, influence to the use of spray gun;By setting clamping mechanism and clamping frame, realized to the spray gun clamping fixed, so that when moving or placing to spray gun, avoid spray gun drop, so that spray gun is damaged.

The invention relates to the technical field of rotor transportation, in particular to a transportation protection method of a floating rotor and a rotor protector. The protection method comprises the following steps: 1) determining a rotor single-side floating gap: the rotor single-side floating gap is a support distance and is a minimum gap between the outer diameter of a rotor and the inner diameter of a stator when the rotor and the stator are concentric; 2) measuring the contact part support size of the rotor end part: if the contact part is an optical axis, measuring the radial support size and the axial contact depth size of the optical axis; if the contact part is provided with a thread, thread related parameters such as a thread form, a rotation direction, a thread pitch lead and the like need to be confirmed; and 3) determining an end support form: determining whether the axial direction of the rotor needs limiting protection or not. By arranging the rotor protector and controlling the machining precision of the rotor protector, it is ensured that the rotor is installed at the designated supporting position, the position of the rotor does not need to be adjusted by measuring the real-time position of the rotor, and the positioning precision of the rotor can be determined only by checking the machining precision of the supporting disc.

The utility model discloses a support for transporting a glass fiber reinforced plastic tower, which is characterized in that paired slope bulges are arranged at two ends of a supporting groove, an open groove is formed in the supporting groove between the slope bulges, and first through holes are respectively formed in the supporting groove below the paired slope bulges; the two ends of the double-thread screw are rotationally installed in the paired first through holes respectively, the paired square thread sleeves are installed at the two ends of the double-thread screw in a meshed mode respectively, first folding plates are oppositely installed on the paired square thread sleeves in a hinged mode respectively, and second folding plates are installed at the other ends of the first folding plates in a hinged mode. The other end of the second folding plate is installed on the side wall of the supporting groove in a hinged mode and located above the double-thread screw. The supporting device has the advantages that the supporting effect is good, the supporting device is more stable, operation is simpler, time and labor are saved, the application range is wider, the supporting device can be detached and reused after being used, and the transportation cost is saved.

The PCB connector comprises an insulator and a pin terminal, the pin terminal is fixed in an inner cavity of the insulator, the pin terminal comprises a contact element and a terminal body connected with the tail end of the contact element, the contact element extends into a terminal cavity of a plugging surface of the insulator, and the terminal body is connected with the terminal cavity of the plugging surface of the insulator. The terminal body comprises a connecting part connected with the contact piece and a pin part connected with an adaptive PCB (Printed Circuit Board), and the direction of the pin part extending out of the bottom surface of the insulator is not parallel to the plane A where the plugging surface is located. According to the device, aiming at the conventional 90-degree switching mode of the existing panel connector and the PCB connector, under the condition of realizing unconventional 90-degree switching, an operator can directly observe the plugging surface of the PCB connector, and rapid and accurate plugging is realized.

The utility model discloses a quick-cooling food cold storage fresh-keeping box, which relates to the technical field of food cold storage, and comprises a fresh-keeping box and a plurality of mounting plates for supporting positioning rods, the outer surfaces of the two positioning rods are symmetrically and movably connected with baffle plates, and the outer walls of the two baffle plates are fixedly provided with bearing plates; ice bags are arranged on the upper surfaces of the two bearing plates, vertical plates used for supporting a cover plate are symmetrically arranged on the upper surfaces of the two bearing plates, and through grooves are symmetrically formed in the bottom of the outer wall of the fresh-keeping box. According to the fresh-keeping box, the vertical plate is arranged on the upper surface of the bearing plate, the cover plate is supported and fixed, the outer wall of the fresh-keeping box is opened and closed through cooperation of the through grooves, meanwhile, the installation sleeve plate is arranged on the outer wall of the cover plate, the magnetic suction cup is supported and positioned, and the magnetic suction cup is connected with the installation plate in an adsorption mode. The cover plate is connected and fixed, and the loading and unloading convenience degree of the quick-cooling food fresh-keeping ice bag can be effectively improved.

The utility model provides a forming mechanism for pipeline production, and belongs to the technical field of pipeline forming devices. The forming mechanism for pipeline production comprises a bottom plate, the top end of the bottom plate is provided with an extrusion shell, one end of the extrusion shell is connected with a forming shell, the interior of the extrusion shell is rotationally connected with a spiral feeding roller, the top end of the bottom plate is provided with a fixing frame, and one side of the fixing frame is provided with a first motor; the output end of the first motor is connected with one end of a spiral feeding roller, the other end of the spiral feeding roller is connected with a forming roller, a first connecting ring is welded to the outer side of one end of the extrusion shell, a sealing ring is connected to the side, close to the forming shell, of the first connecting ring, and a second connecting ring is welded to the outer side of the end, close to the first connecting ring, of the forming shell. According to the utility model, the rapid connection and fixation of the molding shell and the extrusion shell can be effectively realized, the molding shell can be conveniently replaced by a user, and the molding shell has a relatively high practical value.

The utility model discloses a supporting device for pipeline machining, and particularly relates to the technical field of pipeline machining, the supporting device comprises a base, two fixing plates are symmetrically arranged at the two ends of the top of the base, staggered supporting frames are symmetrically arranged between every two adjacent fixing plates up and down, and sliding columns are symmetrically fixed at the two ends of each supporting frame; sliding grooves matched with the sliding columns are formed in the side wall of the fixing plate, and a moving mechanism is arranged between the upper supporting frame and the lower supporting frame. According to the pipeline positioning device, the two sets of supporting frames which are vertically symmetrical are arranged, the two positioning columns are symmetrically arranged on the supporting frames, and under the cooperation of the sliding columns, the sliding grooves, the moving mechanisms and other structures, a pipeline can be arranged between the upper and lower sets of positioning columns in a penetrating mode, so that the upper and lower sets of positioning columns can be close to each other and abut against the four sides of the outer wall of the pipeline, operation is easy and convenient, and practicability is high. And the pipeline can be accurately and effectively supported and fixed, the adaptability is high, and the using effect of the device is greatly improved.

The utility model provides a fixing device applied to an electric rehabilitation bed and the electric rehabilitation bed, the fixing device comprises a bandage, two ends of the bandage are respectively connected with two sides of the electric rehabilitation bed, and the middle of the bandage is connected into a whole through a bonding structure; the nursing pad is correspondingly arranged at the bonding structure and comprises a first mounting plate and a second mounting plate; the second mounting plate is arranged opposite to the first mounting plate; the fixing plate is respectively connected with the first mounting plate and the second mounting plate so as to form a U-shaped structure matched with the bandage. According to the hand supporting device, the hand of a patient can be supported and fixed, then the situation that the hand of the patient is scratched by bonding structures such as hook-and-loop fasteners on the bandage is avoided, and the comfort of the hand of the patient can be improved.

The invention relates to a double-sided liquid crystal display screen which comprises a first frame assembly, a second frame assembly and two liquid crystal display screen bodies arranged oppositely. The first frame assembly and the second frame assembly are arranged on the two opposite sides of the liquid crystal display screen respectively. The first frame assembly comprises a first base body and a first side plate, and a first clamping space is formed between the first side plate and the first base body; the second frame assembly comprises a second base body and a second side plate, and a second clamping space is formed between the second side plate and the second base body; the first base body is provided with wiring and component placing grooves. The liquid crystal display screen comprises a light guide plate, an optical film and a liquid crystal panel which are sequentially arranged, and the edge of the liquid crystal display screen is clamped and supported by the first clamping space and the second clamping space. The two liquid crystal display screens are tightly fixed and supported through the first frame assembly and the second frame assembly, and the gap between the liquid crystal display screens is reduced, so that the overall thickness of the liquid crystal display screens is relatively small, and the supporting stability is improved.

The utility model relates to the technical field of medical first aid, in particular to a leg fracture fixing splint which comprises a splint body, a rotating assembly is arranged between bent portions of the two splint bodies, fixing blocks are arranged on the side walls, away from each other, of the two splint bodies at intervals, and long bandages are symmetrically arranged on the fixing block of one splint body up and down. Short bandages are symmetrically arranged on the fixing block of the other splint up and down, and square sleeves are arranged on the short bandages. The device is simple in structure and convenient for medical staff to quickly operate on an emergency site. By means of the simple steps of pulling the pull rod, rotating the clamping plates, loosening the pull rod and the like, the legs can be rapidly clamped and fixed through the two clamping plates, the device is provided with the air bag and the convertible connector, and therefore medical staff can adjust the clamping area at any time according to the leg injury condition.

This utility model relates to the field of tire cutting technology, and more particularly to a tire wire bead ring cutter, comprising a base, a first driving component, and a cutting assembly. A support column is rotatably connected to the base, and a fixing unit for supporting and fixing the tire is provided on the support column. The fixing unit includes multiple fixing members distributed along the circumference of the support column. The extension states of the multiple fixing members are synchronously adjusted to form a variable diameter support structure that adapts to different tires. This utility model achieves tire support and fixing by adjusting the extension state of the fixing members, allowing the fixing unit to adapt to different tire inner diameters, thereby adapting to different tire sizes and improving tire stability. At the same time, the position of the cutting assembly is adjusted according to different tire sizes to accurately locate the cutting area. During the rotation of the fixed unit and the tire driven by the support column, the cutting assembly performs a ring cut on the tire.

The invention discloses a prefabricated box girder mould convenient to disassemble and assemble and stable in connection, which comprises a bottom mould, side moulds are arranged on two sides of the bottom mould, the bottom mould and the side moulds form an outer mould, and an inner mould is arranged on the inner side of the outer mould; the supporting table is arranged at the bottom of the side die and used for lifting and supporting the bottom die; the supporting mechanism I is arranged on the outer side of the side die and is used for extruding and supporting the side die; the second supporting mechanism is arranged on the inner side of the inner mold and used for lifting and supporting the inner mold; the side mold comprises an upper middle mold piece, a lower middle mold piece, an upper end mold piece and a lower end mold piece. According to the prefabricated box girder mold convenient to disassemble and assemble and stable in connection, through the structural design of the supporting table, the first supporting mechanism and the second supporting mechanism, supporting and fixing of the bottom mold body, the side mold bodies and the inner mold body can be effectively achieved; and through the structural design of the second supporting mechanism, the side mold can be driven to gather inwards during demolding, so that friction between the side mold and the inner wall of the box girder is avoided when the side mold is pulled out, and the surface of the inner wall of the box girder is prevented from being damaged.