37results about How to "Place shortcut" patented technology

The invention relates to a new electric tractor comprising a rack, a traction hook, an electric power supply device, a drive axle driven by a direct current motor, a speed regulation handlebar, a motor speed controller, a universal wheel and a travelling wheel. The invention also relates to a charger base for charging storage batteries of the electric tractor, which comprises a base, a charger, aback cover board, a main baffle block, an assistant baffle block and a support board. The invention has the advantages of compact, small and exquisite integral structure, flexible and convenient operation and wide application range. The storage batteries of the electric tractor can be conveniently and rapidly taken out from or placed on a machine or the charger base, and the two storage batteriesare alternately used to enhance the utilization efficiency of the machine.

The invention relates to the technical field of computer hosts, and discloses a multifunctional host frame for a computer host. The multifunctional host frame comprises a fixed bottom plate, support frames are mounted on two sides of the upper end of the fixed bottom plate, a mounting frame is connected to the upper ends of the support frames, a lifting frame is slidably arranged in the middle ofthe mounting frame, a bottom frame is mounted at the top end of the lifting frame, the bottom end of the lifting frame penetrates through the mounting frame and is connected with a wedge-shaped block,bottom end of wedge-shaped block makes contact with a lifting plate, buffering columns are installed on the two sides of the lower end of the lifting plate, the bottom ends of the buffering columns penetrate through the fixed bottom plate and are connected with a buffering pad, a telescopic frame is installed in the middle of the upper end of the lifting plate, a telescopic plate is installed atthe top end of the telescopic frame, the upper end of the telescopic plate is fixed to the inner part of a telescopic cylinder through a telescopic spring, and the two sides of the wedge-shaped blockmake contact with guide balls through oblique sections. According to the multifunctional host frame for the computer host, the clamping linkage of the bottom frame and a side frame is realized, a hostbox can be conveniently and quickly fixed and clamped, the host can be quickly taken out, and the lifting plate is arranged, so that the stable placement of the host frame in the use process and thequick movement function when the host frame is not used are realized.

The invention discloses a rotary disc for a large-diameter lens coating clamp. The rotary disc comprises a fixed part and a rotating part, wherein the fixed part comprises a base, an inner hexangular fillister head screw, a cylindrical base, an annular base and a polytetrafluoroethylene cushion block; the rotating part comprises a cylindrical hand wheel, more than two rotary handrails, a plurality of steel balls, a large tray, a limit ring and a tip puller screw. The rotary disc disclosed by the invention is a portable tool for installing a lens and a coating clamp and can be used for guaranteeing the stability, safety and good concentricity of the large-diameter lens coating clamp and the lens during installation so as to guarantee the success rate of coating. The rotary disc for the clamp is applicable to various mounting devices of which the concentricity, uniform contact or stable lifting need to be guaranteed.

The invention discloses a beehive special for bee oviposition. The beehive comprises a beehive body and a beehive cover. The beehive cover can cover the beehive body. One side wall of the beehive body is provided with a beehive opening for entering and exiting of bees. The beehive further comprises a blocking piece, a partition plate and a beehive door. The partition plate is arranged in the beehive body and divides the beehive body into a feed chamber for containing feed and a propagation chamber with the beehive opening. The partition plate is provided with an opening, the blocking piece is fixed to the opening in the partition plate, and the blocking piece is provided with a plurality of holes for blocking a queen bee. The beehive door is rotationally installed on the beehive opening and provided with at least two beehive holes with openings of different sizes. The different beehive holes can allow bees of different body types to pass. The beehive has the advantages that the sizes of the holes are designed according to the body type of the queen bee and other bees, the queen bee is prevented from entering the feed chamber, and then the queen bee is prevented from drowning in feed. Male bees, worker bees and the queen bee have different body types, the beehive holes designed for the different bees contain grids of different distances, the queen bee can be effectively controlled from exiting from the beehive, and manual control is achieved.

The invention relates to the technical field of rail transit and particularly relates to automatic assembling equipment for a rail transit platform screen door base insulation mechanism. The equipmentcomprises a partition plate placing mechanism, an industrial robot, a rotary worktable, an insulating ring mounting mechanism, a nut mounting machine, a first feeding mechanism, a second feeding mechanism, a third feeding mechanism and a mold clamping jaw, wherein the insulating ring mounting mechanism, the nut mounting machine, the first feeding mechanism, the second feeding mechanism and the third feeding mechanism are arranged around the rotary worktable, the partition plate placing mechanism is installed on the first feeding mechanism, the industrial robot is located at a discharging endof the first feeding mechanism, a discharging end of the second feeding mechanism and a feeding end of the third feeding mechanism, and the mold clamping jaw is installed at a working end of the industrial robot. The equipment is advantaged in that the industrial robot can be helped to stably grab a mold, so the insulation mechanism is more convenient and efficient to assemble, a partition plate can be placed more quickly, and unnecessary manual work is reduced.

The invention discloses a surface character or pattern forming frock for cylindrical workpieces, which comprises a machine frame, a horizontally reciprocating pneumatic slider mechanism, a quick change typehead mechanism which is connected to the lower part of the pneumatic slider mechanism and a vertically lifting support plate mechanism, wherein the support plate mechanism is positioned on the lower part of the pneumatic slider mechanism; and the upper part of the support plate mechanism is provided with two adjacent bearings for placing the cylindrical workpieces. The surface character or pattern forming frock for the cylindrical workpieces adopts the structure and can be suitable for character or pattern printing on cylindrical surfaces of the cylindrical workpieces with different diameters; the cylindrical workpieces only need to be simply and quickly placed on the bearings and the typing depth, the typeface and the end height distance are adjustable; and the surface character or pattern forming frock for the cylindrical workpieces can quickly change the printing typehead, is driven by air pressure, has low energy consumption and low requirements on the skills of operators, reduces the labor intensity, is sanitary and environment-friendly, and can reduce the mark forming cost, improve the mark forming efficiency and guarantee the mark quality of the cylindrical workpieces.

The invention provides a right-angle reflecting prism ridge high-precision leveling device and a leveling method thereof. The device comprises a right-angle reflecting prism group, a pinboard, manual control screws, a level bubble group, a magnetic gauge stand and a base with ferromagnetism, wherein the right-angle reflecting prism group comprises a right-angle reflecting prism to be leveled and an installation framework used for fixing the right-angle reflecting prism, the installation framework is fixedly connected with the magnetic gauge stand through the pinboard, the pinboard is provided with a horizontal panel, the level bubble group is fixedly installed on the upper surface of the horizontal panel, the lower surface of the horizontal panel is connected with the upper surface of the magnetic gauge stand, the manual control screws penetrate through the horizontal panel and abut against the upper surface of the magnetic gauge stand, and the magnetic gauge stand is fixed on the base through magnetism.

The invention discloses a clamping manipulator with two concentric rods. The clamping manipulator comprises two clamping plates and two mechanical arms. Each mechanical arm comprises a fixed block, a telescopic air cylinder, a pneumatic jaw air cylinder and pneumatic jaws, the two fixed blocks are installed between the two clamping plates at a certain included angle, each telescopic air cylinder is installed on the corresponding fixed block, each pneumatic jaw air cylinder is arranged below the telescopic rod of the corresponding telescopic air cylinder, and the pneumatic jaws in two pairs have the same extension end point. The clamping manipulator has the advantages that the two mechanical arms have the same extension end point, so workpieces are clamped and placed rapidly and conveniently, and the former workpiece and the latter rear workpiece are placed at the same position; air cylinder clamping plates can be used for finely adjusting the telescopic air cylinders; pneumatic jaw air cylinder mounting plates can be used for finely adjusting the positions of the pneumatic jaws.

The invention discloses a cutting and grinding device for the side edge of a wooden round block. The cutting and grinding device comprises a bottom plate, a mounting frame, a driving mechanism, a speed reducing mechanism, a cutting mechanism and a jacking mechanism, wherein one side of the bottom plate is connected with the mounting frame, the driving mechanism is arranged on the other side of thebottom plate, the speed reducing mechanism is arranged on the mounting frame, and the speed reducing mechanism is in transmission connection with the driving mechanism; the cutting mechanism is arranged on one side, close to the mounting frame, of the bottom plate, and the cutting mechanism is in transmission connection with the speed reducing mechanism; and the jacking mechanism is arranged on the other side of the bottom plate. According to the cutting and grinding device, the wooden round block can be limited through the jacking mechanism, so that the wooden round block is prevented from falling off; the speed reducing mechanism can be driven to work through the driving mechanism, the cutting mechanism can be driven to work through the speed reducing mechanism, and the side edge of thewooden round block can be cut and ground through the cutting mechanism so as to remove burrs.

The invention relates to an automatic sorting line package loading system based on 3D (three-dimensional) vision and a loading method thereof, and belongs to the automatic stream line control equipment and method field. The automatic sorting line package loading system based on the 3D vision is characterized in that an automatic sorting line is arranged on one side of a conveying belt, a pluralityof package loading entrances are formed in the automatic sorting line, a robot is arranged between the automatic sorting line and the conveying belt, a 3D vision camera system and a speed sensor arearranged at an input end of the conveying belt, a vision camera is arranged on an arm of the robot, the3D vision camera system and the speed sensor judge positions of all packages on the conveying belt and cooperate with the robot for achieving grip operation, the robot places the packages with label surfaces facing upwards in the package loading entrances in the automatic sorting line through thevision camera, and labels are attached to the label surfaces of the packages. When used in the package loading process of the automatic package sorting line entrances in logistics industry and especially in express industry, the automatic sorting line package loading system based on the 3D vision can achieve automation, saves labor cost, and solves the problem that due to the fact that labor intensity of workers is huge and efficiency is low, efficiency of the whole automatic sorting line is reduced.

The invention relates to a telescopic stent for treatment of esophageal stricture. The telescopic stent comprises a stent body, an elastic film sleeve and a limit mechanism, wherein the stent body is sleeved with the elastic film sleeve. The stent body is composed of two stent units. Each stent unit comprises two clamping arms and two semicircular clamping rings. The two stent units are hinged together through the clamping arms, and openings of the two semicircular clamping rings located at the same end are opposite to each other. The limit mechanism comprises a strutting rod, a supporting rod, limiting rods and a clamping rod. The strutting rod is arranged on the clamping arms of one stent unit through a torsional spring. The multiple limiting rods are evenly arranged on the supporting rod in the length direction of the supporting rod. The included angle between each limiting rod and the supporting rod is smaller than 60 degrees. The clamping rod is arranged on the clamping arms opposite to the clamping arms where the strutting rod is located. The clamping rod is perpendicular to the plane where the corresponding clamping arms are located. The telescopic stent can be quickly placed at a narrow position of an esophagus; the stent can be placed easily and quickly in the whole process and can be taken out conveniently, so that the success rate of an operation is high.

The invention provides a silent wire harness press fitting machine comprising a base, a protective cover and a rectangular groove. The base is of a rectangular structure, and the left end surface andthe right end surface of the base are each provided with a fixing plate in a welded manner; a telescopic shaft of a main body of the press fitting machine is in fixed connection with a pressing head structure, and the pressing head structure is composed of a pressing head body, wire harness fixing plates, a rectangular plate, a cylindrical rod and a spring; the rectangular plate is welded to the front side of the pressing head body, and the cylindrical rod is welded to the bottom end face of the rectangular plate. Due to the arrangement of a concave seat, a cover plate and a stopping block, onone hand, the stopping block is arranged to serve as a limit plate for terminal containing, and the front and rear positions of a terminal are adjusted when the head of the terminal is in contact with the stopping block; and on the other hand, the front and rear positions of the stopping block is adjusted so that terminals in different sizes can be limited. Compared with the prior art, the devicecan conduct limiting when the terminal is placed, placement is relatively quick, and the work efficiency can be improved.

The invention relates to a telescopic stent for an esophagus. The telescopic stent comprises a stent body, an elastic film sleeve and a limit mechanism, wherein the stent body is sleeved with the elastic film sleeve. The stent body is composed of two stent units. Each stent unit comprises two clamping arms and two semicircular clamping rings. The two stent units are hinged together through the clamping arms, and openings of the two semicircular clamping rings located at the same end are opposite to each other. The limit mechanism comprises a supporting rod, limiting rods and a clamping rod. The supporting rod is arranged on the clamping arms of one stent unit through a torsional spring. The multiple limiting rods are evenly arranged on the supporting rod in the length direction of the supporting rod. The included angle between each limiting rod and the supporting rod is smaller than 60 degrees. The clamping rod is arranged on the clamping arms opposite to the clamping arms where the supporting rod is located. The clamping rod is perpendicular to the plane where the corresponding clamping arms are located. The telescopic stent can be quickly placed at a narrow position of the esophagus; the stent can be placed easily and quickly in the whole process and can be taken out conveniently, so that the success rate of an operation is high.

The invention discloses a drilling and tapping device for a lock. The drilling and tapping device comprises a machine box, wherein a bottom plate is fixed to the machine box; a rotary disc mechanism is arranged in the machine box; a plurality of mounting jigs used for fixing the lock are arranged on the rotary disc mechanism; a rear side plate is fixed to the rear end of the upper side of the bottom plate; a left side plate and a right side plate are fixed to the left end and the right end of the upper side of the bottom plate correspondingly; a mounting box is fixed to the rear side plate, the left side plate and the right side plate; a drilling motor and a tapping motor are arranged on the lower side of the mounting box; output shafts of the drilling motor and the tapping motor extend downwards and are matched with the mounting jigs; a hydraulic cylinder is fixed to the lower side of the mounting box; and an output shaft of the hydraulic cylinder fixes the drilling motor and the tapping motor through connecting sleeves correspondingly. According to the drilling and tapping device for the lock, through arrangement of detachable jig seats, the device can adapt to locks of differentsizes by replacing the jig seats of different mounting groove sizes.

The invention discloses a casting head removing machine. The casting head removing machine comprises oil cylinders, ejector rods, ejector rod guide sleeves, a workblank backup plate, an oil cylinder supporting plate, a workblank rear supporting plate and a base plate. The oil cylinders are supported by the oil cylinder supporting plate. The oil cylinder supporting plate is fixed to the upper end of the base plate. The ejector rods which are movably connected with the oil cylinders are arranged on the lower portion of the oil cylinder supporting plate. The ejector rods are inserted into the ejector rod guide sleeves to be fixed, and the ejector rod guide sleeves are fixed to one side of the workblank rear supporting plate. The other side of the workblank rear supporting plate is fixed to the middle end of the base plate. The workblank backup plate is fixed to the bottom end of the base plate. The casting head removing machine solves the problem of being difficult to hammer, labor intensity is relieved thoroughly, the work efficiency is more than three times of original work efficiency, and product quality is stable.

The invention discloses a silkworm cocooning frame, and relates to the technical field of silkworm breeding. The silkworm cocooning frame comprises multiple sets of vertical frames, each set of the vertical frame is formed by connecting an upper vertical frame and bases, the upper vertical frame is composed of two vertical bars and a fixed cross-bar which is fixedly connected between the upper portions of the two vertical bars, adjusting sleeves connected with the bases are arranged at the lower ends of the two vertical bars respectively, a straight-bar hanging lug is arranged on the outer side of each adjusting sleeve, and the two ends of the cross-bar are connected with movable cross-bars through hinges; multiple movable straight-bars are erected on the fixed cross-bars, the movable cross-bars and the straight-bar hanging bar between the vertical frames, and a paper cocooning frame is arranged between the two movable straight-bars. Compared with the prior art, the silkworm cocooning frame has the advantages that the structure is simple, disassembly and adjustment can be achieved, the working efficiency can be effectively improved, and the yield and the quality of silkworm cocoons are promoted.

The invention relates to a telescopic stent for an esophagus. The telescopic stent comprises a stent body, an elastic film sleeve and a limit mechanism, wherein the stent body is sleeved with the elastic film sleeve. The stent body is composed of two stent units. Each stent unit comprises two clamping arms and two semicircular clamping rings. The two stent units are hinged together through the clamping arms, and openings of the two semicircular clamping rings located at the same end are opposite to each other. The limit mechanism comprises a supporting rod, limiting rods and a clamping rod. The supporting rod is arranged on the clamping arms of one stent unit through a torsional spring. The multiple limiting rods are evenly arranged on the supporting rod in the length direction of the supporting rod. The included angle between each limiting rod and the supporting rod is smaller than 60 degrees. The clamping rod is arranged on the clamping arms opposite to the clamping arms where the supporting rod is located. The clamping rod is perpendicular to the plane where the corresponding clamping arms are located. The telescopic stent can be quickly placed at a narrow position of the esophagus; the stent can be placed easily and quickly in the whole process and can be taken out conveniently, so that the success rate of an operation is high.

The invention discloses a hospital electronic medical record inquiring device. The hospital electronic medical record inquiring device comprises a table body and a main machine, wherein a placing groove is formed in the surface of the table body, a support frame is placed on the top of the table body, a display screen is mounted on the support frame, universal wheels are fixed at the bottom of themain machine, the main machine can be placed in the placing groove, a supporting mechanism is arranged on the front surface of the table body, the supporting mechanism comprises a guide plate, a groove, a first magnet and a second magnet, and the guide plate is hinged to the front surface of the table body; the device has the beneficial effects that through the designed supporting mechanism, themain machine is placed more quickly, the efficiency of placing the main machine is improved, and the retraction of the guide plate is realized; through a designed limiting mechanism, the stable effectof erecting and placing the guide plate is further improved, and the guide plate is prevented from separating when the guide plate is not stably adsorbed; and through a designed wire arranging mechanism, the wire arranging of connecting wires is facilitated, and the disorder when the connecting wires are used is avoided.

The invention discloses a grinding device for traditional Chinese medicine material processing in the technical field of traditional Chinese medicine material processing. The grinding device comprises a base, a grinding bowl is fixedly connected to the middle of the upper end face of the base, and a connecting mechanism is arranged between the grinding bowl and the base; the connecting mechanism comprises a movable buckle plate, a hinge, a fixed rod, a spring and a check block, the fixed rod is fixedly connected to one side face of the movable buckle plate, one end of the movable buckle plate is partially inserted into the base in a sliding mode, the check block is fixedly connected to one end face of the movable buckle plate, the movable buckle plate is sleeved with the spring, and the check block is located in the base; and the other end of the movable buckle plate is inserted into the grinding bowl, so that the placing stability of the grinding bowl can be guaranteed, meanwhile, medicinal materials can be quickly poured out of the grinding bowl, the stability of vertical movement of the supporting rod can be guaranteed, good operability is achieved, and the medicinal materials can be prevented from gushing out in the grinding process under the action of a cover body; and a good protection effect is achieved.

The invention discloses an auxiliary walking stick for the rehabilitation department. The auxiliary walking stick for the rehabilitation department comprises a first walking stick structure and a second walking stick structure; the first walking stick structure and the second walking stick structure are consistent in structure; pressing structures are fixedly installed on the opposite sides of the first walking stick structure and the second walking stick structure; a second placing structure is fixedly installed on the front face of the first walking stick structure; a first placing structure is fixedly installed on the front face of the second walking stick structure; and supporting structures are fixedly installed at the bottoms of opposite faces of the first walking stick structure and the second walking stick structure. According to the auxiliary walking stick for the rehabilitation department, the height of an armpit supporting rod can be adjusted, articles can be placed and clamped, the walking stick can be in an upright state under the condition that the walking stick does not need to be held by people, the functions are rich, rehabilitation use of a user is facilitated, the structure is more optimized, and the design is more reasonable.

The invention discloses a lower front bearing beam circulation tool which comprises a rectangular cork base frame and four stand columns. A connecting rod is arranged between the two stand columns at the two ends of the cork base frame, and a connecting rod is arranged between the two stand columns on one side of the cork base frame. Two vertical rods are arranged between the cork base frame and the connecting rod on one side of the cork base frame. A plurality of supporting rod sets are correspondingly arranged on the two vertical rods. Each supporting rod set comprises a fixed supporting rod and a movable supporting rod, wherein the two ends of the fixed supporting rod and the two ends of the movable supporting rod are connected through connecting plates respectively, a positioning pin is arranged at the end, away from the vertical rods, of the movable supporting rod, the positioning pin penetrates through the movable supporting rod and a connecting shaft from top to bottom, and a plurality of limiting rod sets are arranged on the movable supporting rod in the length direction of the movable supporting rod. The lower front bearing beam circulation tool is simple in structure, convenient to store and good in storage stability.

The invention relates to a device for placing an extensible inner support in the ureter. The device for placing the extensible inner support in the ureter comprises an air source, a sheath, a porous tube, an elastic ball membrane and an advancing end. A plurality of vent holes are formed in the side wall of the porous tube. The two ends of the sheath are respectively provided with an opening. The opening at one end of the sheath is connected with the air source through a pipeline. The opening at the other end of the sheath is communicated with an inner cavity of the porous tube. The end, far away from the sheath, of the porous tube is connected with the advancing end. The porous tube is sleeved with the elastic ball membrane. The elastic ball membrane is connected with the porous tube in a sealing mode. According to the device for placing the extensible inner support in the ureter, the structure is simple, the inner support can be placed at the narrow position of the ureter, the whole placing process is simple and rapid, the success rate of an operation is high, the normal backflow-resistant mechanism of the ureter is not changed, the situation that urine in the bladder flows back into the pelvis can be avoided, nephropyelitis and exacerbation of hydronephrosis symptoms can be avoided, the pain of a patient is relieved, and the quality of life of the patient is improved.

The invention discloses a dental appliance sterilizing cabinet convenient for storage. The cabinet comprises a control panel; one end of the control panel is fixedly connected with a dental appliancesterilizing device; the lower end of the dental appliance sterilizing device is fixedly provided with a protective casing; the upper end of the protective casing is fixedly provided with a first connecting clamp slot; ultraviolet germicidal lamps are fixedly arranged in the protective casing; one side of the protective casing is uniformly provided with three sets of second connecting clamp slots;the lower end of the inner cavity of the protective casing is fixedly connected to a rubber pad; one end of the dental appliance sterilizing device is rotatably connected with a first rotating shaft;one end of the first rotating shaft is fixedly connected with a dental appliance fixing device; the lower end of the dental appliance fixing device is fixedly provided with a sterilizing device casing; and the upper end of the sterilizing device casing is fixedly connected to a fixed clamp shaft. The dental appliance sterilizing cabinet can improve the disinfection efficiency on dental appliancesby providing the dental appliance fixing device and the dental appliance sterilizing device, and can also facilitate the convenient carrying by an operator.

The invention discloses a glue drying device for a spliced wood frame. The glue drying device comprises a first conveying and heating mechanism and a second conveying and heating mechanism, wherein the first conveying and heating mechanism comprises a first conveying mechanism, a first sliding block, a first positioning notch, a first pressing block lifting driving mechanism, a first heating pressing block, a second positioning block and a second positioning notch; a second pressing block lifting driving mechanism with the downward movable end is arranged above the second positioning notch; asecond heating pressing block is arranged at the movable end of the second pressing block lifting driving mechanism; the second conveying and heating mechanism comprises a supporting block, a second conveying mechanism, a second sliding block, a third positioning notch, a third pressing block lifting driving mechanism, a third heating pressing block, a fourth positioning block and a fourth positioning notch; a fourth pressing block lifting driving mechanism with the downward movable end is arranged above the fourth positioning notch; and a fourth heating pressing block is arranged at the movable end of the fourth pressing block lifting driving mechanism. The glue drying device has the advantages of being high in overall bonding efficiency and low in labor intensity.

The invention relates to a package loading system and a loading method for an automatic sorting line based on three-dimensional vision, and belongs to the field of automatic assembly line control equipment and methods. One side of the conveyor belt is equipped with an automatic sorting line, and the automatic sorting line is equipped with a number of parcel loading entrances, and robots are arranged between the automatic sorting line and the conveyor belt; the input end of the conveyor belt is equipped with a three-dimensional vision camera system and a speed sensor. There is a visual camera on the arm; through the three-dimensional visual camera system and speed sensor to determine the position of each package on the conveyor belt and cooperate with the robot to realize the grabbing operation, the robot puts the package with the label facing up into the automatic sorting line through the visual camera Parcel top entry. In the logistics industry, especially the express delivery industry, automation can be realized in the process of loading parcels at the entrance of the automatic parcel sorting line, which saves labor costs and solves the problem that the efficiency of the entire automated sorting line is reduced due to the high labor intensity and low efficiency of the workers. question.

Provided is a hinge assembly used for a refrigerator. The hinge assembly comprises a hinge cover, a connecting line, a hinge base body and a hinge shaft. The hinge base body is fixed to a refrigerator main body. The hinge cover is clamped on the hinge base body. The connecting line is arranged on the hinge cover. The hinge shaft is used for supporting a refrigerator door and in fit connection with the hinge base body through welding. According to the hinge assembly used for the refrigerator, assembling of the hinge cover and the connecting line can be made to be firmer through the improvement of the structure; meanwhile, the hinge base body is provided with a keep-space notch used for storing and limiting the connecting line and a connecting line terminal, the structure of the whole hinge assembly is made to be more reasonable and compact, the problems that an connecting line in the prior art is prone to being distorted and damaged, and the structure is not compact are effectively solved, placing of the connecting line of the hinge assembly is made to be more orderly, concise and beautiful, accordingly, the assembling efficiency of the hinge assembly is improved, the situation that the connecting line is prone to being distorted and damaged is actually prevented, and the practicability is high.

The invention discloses a waste copper pressing block device, and relates to waste copper processing devices. The waste copper pressing block device comprises a device body. Two cylinders are fixedlyinstalled at the top of the device body. The two cylinders are located at the left side and the right side of the top of the device body respectively. A compaction metal bucket is arranged at the topof the device body, distributing rods are fixedly connected to the side faces of the cylinders, the distributing rods are located between the cylinders, extrusion heads are fixedly connected to the bottoms of the distributing rods, and the extrusion heads are located over the compaction metal bucket. When waste copper blocks are added successively, the waste copper slides downwards, under the effect of gravity, a dumping instrument can be inclined, the dumping instrument drives a transverse column to rotate, a first fixing plate and a second fixing plate support the transverse column, stability is enhanced, when the dumping instrument is inclined, the waste copper blocks slide into the compaction iron bucket along with a guide pipe, the addition amount of the waste copper is controlled, the waste copper blocks can be conveniently added, and the waste copper pressing block efficiency is greatly improved.

The invention discloses a rotary disc for a large-diameter lens coating clamp. The rotary disc comprises a fixed part and a rotating part, wherein the fixed part comprises a base, an inner hexangular fillister head screw, a cylindrical base, an annular base and a polytetrafluoroethylene cushion block; the rotating part comprises a cylindrical hand wheel, more than two rotary handrails, a plurality of steel balls, a large tray, a limit ring and a tip puller screw. The rotary disc disclosed by the invention is a portable tool for installing a lens and a coating clamp and can be used for guaranteeing the stability, safety and good concentricity of the large-diameter lens coating clamp and the lens during installation so as to guarantee the success rate of coating. The rotary disc for the clamp is applicable to various mounting devices of which the concentricity, uniform contact or stable lifting need to be guaranteed.