165 results about "Bakelite" patented technology

The invention relates to a surge protector withstand voltage test system and method, and belongs to the technical field of surge protectors, the system comprises a test tool, the test tool comprises a tool body, a pneumatic execution component and a PCB function board, the tool body is made of bakelite, metal handles are arranged on the two sides of the tool body, and a detachable cover plate is fixed to the bottom of the tool body through hinges and lock catches; a wiring groove is formed in the inner side of the cover plate; the pneumatic execution component comprises a double-piston cylinder, a slide rail, a clamp assembly and an elastic conductive elastic needle; the double-piston cylinder drives the clamp assembly to linearly move along the X direction through the slide rail so as to clamp the surge protector to be tested; the elastic conductive elastic needle is fixed on the clamp assembly, the head of the elastic conductive elastic needle is in elastic contact with an exposed contact of the tested surge protector, and the tail of the elastic conductive elastic needle is connected to the PCB function board through a wire; the PCB function board comprises a high voltage constant current source circuit, a multipath relay switching circuit and an MCU control module.

The invention provides a bakelite guide rail fault monitoring method and system, and relates to the technical field of fault detection, and the method comprises the steps: building a digital connection between a monitoring platform and a distributed sensor network; collecting multi-dimensional physical quantities during operation of the guide rail, and constructing a state information base; generating an abnormal state information base; calling the visual sensor group to collect a bakelite guide rail fault section image according to the abnormal sequence value, and obtaining a guide rail part image set; analyzing the guide rail part image set to obtain a guide rail fault cause library; performing correlation analysis according to the abnormal state information base and the guide rail fault cause base to obtain a guide rail fault model; and generating a fault maintenance scheme according to the guide rail fault model, and feeding back the fault maintenance scheme to the monitoring platform. The technical problems that in the prior art, a monitoring mode is not accurate and comprehensive enough, data processing capacity is lacked, judgment is slow and errors are prone to being generated due to the fact that a system mature fault model is lacked are solved.

The invention discloses an anti-loose connector, belongs to the technical field of connectors, and is used for solving the problems that the number of adaptive input lines of an existing large-current connector is single, and the sealing reliability is insufficient. The anti-loose connector comprises a shell, an input wire, an output copper needle and a plurality of conversion conductors, the input wire penetrates through a wire sleeve and then is inserted into the shell, and the output copper needle is arranged in the shell and is conductively connected with the conversion conductors. Each conversion conductor is provided with an output end and an input end with an elastic deformation part, a single conversion conductor can be independently connected with an input wire and an output copper needle, and a single input wire can be inserted into a duplex gap between every two adjacent conversion conductors and is simultaneously connected with two output copper needles. And a black bakelite plug bush and a rubber ring are also arranged in the shell, so that double-gap sealing is formed. The connector can flexibly realize two-wire input and four-wire output or four-wire input and four-wire output, is reliable in sealing, can prevent input wires from loosening and external water vapor and dust from invading, and meets the large-current transmission requirements in the fields of new energy storage industrial automation and the like.

The utility model belongs to the technical field of plasma rotating electrode powder manufacturing equipment, and relates to a vacuum dynamic sealing structure of a plasma gun for powder manufacturing, which comprises an external powder blocking module and a dynamic sealing module, the external powder blocking module consists of a first powder blocking plate, a powder blocking ring and an insulating powder blocking plate, the first powder blocking plate is fixed at the top of a plasma gun body to form an arc-shaped shielding surface, and the dynamic sealing module is fixed at the top of the plasma gun body. The powder retaining ring coaxially sleeves the positive electrode of the plasma gun body and forms an annular gap type powder blocking structure with the insulating powder retaining plate; the dynamic sealing module is sequentially provided with a dynamic sealing installation metal cylinder, an insulating cylinder and a sealing assembly from outside to inside in the radial direction of the plasma gun body, the insulating cylinder and the dynamic sealing installation metal cylinder form a step-shaped sealing structure, and vacuum sealing and electrical isolation are achieved between the dynamic sealing module and the external powder blocking module through bakelite and an O-shaped sealing ring. The vacuum dynamic sealing structure provided by the utility model has the advantages of powder isolation, reliable sealing, no burning loss short circuit and no need of vacuum grease auxiliary sealing lubrication.

The invention provides a raw material cutting device for motor transmission lead screw production, and relates to the technical field of mechanical cutting equipment, the raw material cutting device comprises a machine body assembly, a cutting assembly, a control strip, a fixing rod, a pressure spring, a clamping unit and an inflation unit; the machine body assembly is provided with a locking groove and a second containing groove used for containing the multiple bakelite plates. Mounting holes are formed in the bakelite plate; the control strip and the fixing rod are connected and internally provided with air channels. The two ends of the fixing rod seal the mounting hole of the bakelite plate, and an air outlet communicated with the mounting hole is formed in the middle of the fixing rod. The fixing rod penetrates through the pressure spring and the mounting hole, the tail end of the fixing rod is connected with a clamping unit, after the air inflation unit inflates the air channel, air pressure drives the clamping unit to be clamped in the locking groove, and at the moment, the control strip presses the pressure spring on the bakelite plate; and when the bakelite plate is abraded until the side wall of the mounting hole is cracked, the pressure spring recovers to the original shape and drives the fixed rod to pop out of the mounting hole, and at the moment, the abraded bakelite plate can be replaced, so that the problem that the bakelite plate is difficult to replace after being abraded in the prior art is solved.

The invention provides a mold for manufacturing a carbon fiber medical bed board. The mold is used for solving the problems that a metal mold is high in manufacturing cost, long in production period, heavy in weight and slow in mold temperature heat dissipation. The main body structure is formed by processing non-metal bakelite; the movable block comprises a bakelite movable block or a metal movable block; the upper surface of the main body structure is concave inwards to form a molded surface, a bakelite baffle is arranged at one end of the molded surface in the length direction, a bakelite movable end block is arranged at the other end of the molded surface in the length direction, and the bakelite movable end block, the bakelite baffle and the upper surface of the main body structure are combined to form a cavity. The lower surface of the cavity is arranged in a shape of a lower surface of a carbon fiber medical bed board to be manufactured, and the upper surface of the cavity is arranged in a shape of a cambered surface of a corresponding product.

The utility model provides an isolating switch protective cover, which relates to the technical field of isolating switches, and comprises a ceramic protective resistance cover, the interior of the ceramic protective resistance cover is hollow, a bakelite ring is fixed in the middle between the inner walls of the ceramic protective resistance cover, a bakelite sleeve is fixed between the inner walls of the bakelite ring, and the inner walls of the bakelite sleeve are provided with a protective cover. The top of the bakelite ring is provided with a plurality of penetrating bayonets which penetrate through the bakelite ring to the bottom, bimetallic strips are clamped in the penetrating bayonets, the bimetallic strips are bent and deformed to push the baffle ring and the movable ring in opposite directions, and then the copper guide rod and the copper column are separated from each other, so that the purpose of cutting off a circuit is achieved, the service life of the circuit is prolonged, and the service life of the circuit is prolonged. And the connection between the copper guide rod and the copper column is located in the ceramic protective resistance cover, and electric arc generated during opening and closing cannot be leaked to the outside under the insulation effect of the ceramic protective resistance cover, so that the safety of external electric appliances and facilities is protected.

The utility model discloses a multifunctional miniature portable gas stove electric ceramic stove bottom support, a bottom support main body is installed on a supporting object, the bottom support main body comprises a bearing part, a transition part and a bearing part from top to bottom, the bearing part and the transition part are fixedly installed, the transition part and the bearing part are fixedly installed, the bearing part and the transition part are annular, and the bearing part and the transition part are annular. The annular middle part is used for installing a miniature portable gas stove or a miniature electric ceramic stove, a heating source installing hole used for connecting the miniature portable gas stove or the miniature electric ceramic stove with a heating source is formed in the bottom of the bearing part, and a main body switch adjusting hole used for adjusting a heating source switch is formed in the side face of the bearing part. The utility model has the advantages that the sunken structure is adopted, the high-temperature-resistant and non-conductive bakelite material is selected as the material, and the portable gas stove and the electric ceramic stove are ingeniously integrated into one container or gas or electricity according to the characteristics of the portable gas stove and the electric ceramic stove, so that the safety and the convenience are realized.

The utility model discloses a safe bakelite short-circuit-preventing starter, which comprises a shell, a clamping cover is arranged on the shell, an inner cavity in the shell is sealed through the clamping cover, and the shell is a bakelite shell. The chip further comprises a chip and electrode assemblies, the electrode assemblies comprise the first electrode assembly and the second electrode assembly, and the opening distance L between the first electrode assembly and the second electrode assembly ranges from 10 mm to 12 mm. According to the utility model, through the support table and the insert, the chip is more stable and stronger in bearing capacity after being installed, the open space L is within the range of 10mm to 12mm, the short-circuit fault caused by large current impact can be effectively resisted, the occurrence of electrode arc ignition and shell combustion fire accidents can be effectively blocked, the electrode adopts a column-type chamfered convex groove surface (or convex point), and the chip is more stable and more stable after being installed, so that the service life of the chip is prolonged. Therefore, the chip can be effectively prevented from being scratched, and the production of automatically assembling the chip can be conveniently realized.

The utility model discloses a bakelite plate base lifting mechanism which comprises a lifting mechanism frame body internally provided with a lifting mechanism installation cavity, and at least one side of the lifting mechanism frame body is provided with a connecting cavity communicated with the lifting mechanism frame body. A bakelite plate conveying seat extending to the outer side of the lifting mechanism mounting cavity is arranged at the position, close to the top, in the lifting mechanism mounting cavity, a plurality of sets of guide rail assemblies are arranged on the inner side wall of the lifting mechanism mounting cavity, and bakelite plate base moving seats connected with the guide rail assemblies are arranged on the inner side of the lifting mechanism mounting cavity; and a lifting assembly which is connected with the bakelite plate base moving seat and drives the bakelite plate base moving seat to move up and down along the inner side of the bakelite plate conveying seat is further arranged in the lifting mechanism mounting cavity. The bakelite plate base can move up and down and circulate through ascending and descending.

The utility model discloses a novel withstand voltage test fixture. The fixture comprises a motor, a screw rod, a push block, a bakelite strip, a copper sheet, conductive cotton, a cargo carrying table and a bakelite bottom plate. The jig is powered by a motor and controls a lead screw to move back and forth, a pushing block is installed on the lead screw, conductive cotton is installed on the pushing block, a copper sheet is installed on an electric batten, a cargo carrying table is slotted according to the position of a product pin and the size of a probe, when the jig is used, a product is placed on the cargo carrying table, the motor is started to act, the conductive cotton and the copper sheet make contact with the product pin and trigger a test switch, and the product pin is tested. Good contact is ensured for testing, the action accords with logic and is in place, and the operation safety and reliability are improved.

The invention discloses a method for adjusting a water baffle of a rolling mill, which comprises the following steps of: welding a lengthened force arm on the water baffle, mounting a rotatable adjusting stop block on a rack housing, and adjusting a gap according to the abrasion condition of a bakelite plate on the water baffle; when the water retaining effect is not good, the water retaining plate is pushed forwards, the adjusting check block clamps the blocking piece welded to the lengthened force arm, and the water retaining effect is guaranteed. After the water baffle is abraded, the position of the water baffle can be adjusted in time, so that the water baffle is tightly attached to the roller.

The utility model discloses a double parallel-wound induction coil for an induction furnace, belonging to the technical field of induction coils. The wound coils 1 and 2 and the water-cooled secondary coil stainless steel pipe are welded with fixing bolts and fixed on bakelite columns; the water inlet and outlet of the coils 1 and 2 are arranged in the middle of the cable outlet span on both sides and corresponding water inlet and outlet nozzles are arranged, the coils 1 and 2 are respectively connected to two wiring copper bars, and the welding of the outlet copper tube and the outlet connection busbar is completed according to the principle that the current of each copper tube busbar is consistent with the direction of the magnetic field. The upper and lower secondary windings of the coils 1 and 2 solve the demand for large current carrying capacity of the induction coil of the high-power induction furnace, and the cables are symmetrically output on both sides, which disperses and weakens the thermal and magnetic effects of strong electric and magnetic fields on the surrounding ferromagnetic components or electronic components. At the same time, the outlet cables are distributed on both sides, and the force on the coils is more dispersed and uniform, which will not cause damage to the coil structure.

The utility model discloses a glass lens binding jig, which relates to the technical field of glass lens cold working, and comprises a left base and a right base, a left bushing is fixedly arranged at the side end part of the left base, a right bushing is fixedly arranged at the side end part of the right base, at least two guide plugs are fixedly arranged at the side end part of the right base, and the guide plugs are inserted into the left bushing and the right bushing. The shape of one end of the left lining and the shape of one end of the right lining are matched with the shape of the lens, the lens can be better fixed in the machining process, it is guaranteed that the position of the lens is stable in the machining process, the base made of the copper material can guarantee connection firmness and stability, the lining made of the bakelite material is relatively soft, and the service life of the lens is prolonged. The optical surface of the lens can be prevented from being scratched in the machining process, the left base and the right base are connected and fixed to machining equipment through the positioning seam allowances and the fine threads in the left base and the right base, and when the left lining and the right lining need to be folded, the guide plug can be inserted into the positioning hole, and it is ensured that the left lining and the right lining can be tightly attached.

The utility model relates to the technical field of blister packaging, in particular to a mold mounting disc of a blister packaging machine, which comprises a mounting disc body, a power supply hole is arranged in the center of the mounting disc body, and limiting square plates are fixedly connected to the upper, lower, left and right positions of the mounting disc body respectively. According to the mold mounting disc of the blister packaging machine, through the arrangement of the fixed winding column, the movable winding column, the wedge block, the sliding block, the guide rod, the spring, the traction support and the short column, a bakelite mold can be conveniently and additionally mounted on the mold mounting disc of the blister packaging machine, and the mold mounting disc is convenient to use and high in practicability. And in the process of connecting the connecting wire to the power supply circuit, under the connection limitation of the wire arrangement square frame and the sliding groove, the overlong connecting wire connected with the bakelite mold can be connected to the wire arrangement structure, so that the overlong connecting wire can be orderly arranged and connected, and the problems that the connecting wire is connected in a disordered mode, a protruding part makes contact with a hot pressing plate, and the connecting wire is scalded and damaged are solved.

The utility model discloses a bakelite powder processing device capable of performing graded crushing, and relates to the technical field of bakelite powder processing. A first crushing box, a first motor and a gear reducer are fixedly arranged at the upper end of the rack; a transmission shaft of the motor is connected with a connecting shaft of one primary crushing roller through the gear reducer; a return component is arranged at the lower end of the first crushing box; a second crushing box is arranged below the material returning part; a collecting disc is arranged at the bottom end of the rack. During crushing, raw materials are fed into the first crushing box from the feeding port, the raw materials are firstly preliminarily crushed through the first crushing box, in the crushing process of the first crushing box, the crushed raw materials fall into the material returning part, and large raw materials which are not thoroughly crushed are conveyed back into the first crushing box; and the raw materials which are crushed uniformly pass through the second crushing box, and the remaining raw materials are crushed more finely, so that the crushed raw materials fall into a collecting disc through the second crushing box.

The utility model discloses an adjustable rotor supporting device, which comprises a bearing box, a rotor, rollers, bolts, roller supporting frames, a fixed steel plate, a rolling bearing, a steel plate and a tie bar, the rotor is connected with the bearing box, the two roller supporting frames are respectively arranged at two ends below the rotor, the bottoms of the roller supporting frames are connected with the steel plate welded on the bearing box, and the roller supporting frames are H-shaped. Grooves are formed in the middles of the tops of the two ends, two bolt holes are formed in each of the two sides of each groove and used for fixing a rolling bearing, four bolt holes are formed in the middle of each groove and used for being connected with tie bars, and eight bolt holes are formed in the bottom of each groove and used for being connected with steel plates welded to a bearing box. The four fixed steel plates are provided with convex surfaces in the middle and bolt holes in the planes at the two ends, and are connected with the roller support frame through bolts; and the two rollers are bakelite rollers, are connected with the roller support frame through rolling bearings, and are arranged at the two ends below the rotor.

The utility model relates to the technical field of jigs, and discloses a frame welding type bakelite jig which comprises a fixing plate, the top end of the fixing plate is fixedly connected with a limiting supporting frame, the top of the limiting supporting frame is movably connected with a rotating frame, sliding grooves are formed in the left side and the right side of the rotating frame, inner cavities of the sliding grooves are connected with sliding blocks in a sliding mode, and the sliding blocks are connected with the limiting supporting frame in a sliding mode. An inner cavity of the sliding block is in threaded connection with a first threaded rod, the surface of the first threaded rod is movably sleeved with a clamping frame, and the sliding block can move in the axis direction of the sliding groove. A plurality of PCBs are arranged in inner cavities of a first groove and a second groove in parallel, then a first threaded rod is screwed down, the first threaded rod slightly descends, a clamping frame is pressed, the clamping frame and an anti-slip strip are tightly attached, the clamping frame cannot move, gaps can be adjusted according to the PCBs of different specifications, and the clamping efficiency is improved. And therefore, the PCBs with different specifications can be fixed.

The application relates to the field of electronic components, in particular to a large-power inductance transformer structure which comprises a bakelite framework, a middle shaft hole is formed through a top wall of the bakelite framework, first and second magnetic cores are arranged at two ends of the bakelite framework, a magnetic middle column of the first magnetic core and a magnetic middle column of the second magnetic core penetrate into the middle shaft hole and are butted; an inductive coil assembly is wound on the bakelite framework, a plurality of mounting holes are formed in the bottom of the bakelite framework, and the first end and the tail end of the inductive coil assembly are respectively welded on a PCB through insertion into the mounting holes. The application has the effects of improving the working efficiency of the transformer and reducing the loss.

A glue-coating tray and a glue-coating method for bonding aluminum sheets to phenolic bakelite retainers, and it relates to the field of bearing processing technology. The present invention is to solve the problem that the existing phenolic bakelite retainers are unevenly coated with glue during the bonding process with aluminum sheets, which affects product quality, and that manual glue squeezing easily causes the glue to solidify. The present invention includes a base plate and a plurality of positioning mechanisms, and the plurality of positioning mechanisms are evenly distributed in a matrix and fixed on the upper end face of the base plate. The positioning mechanism includes a fastening bolt, a positioning seat and a pressure plate. The positioning seat is fixed on the upper end face of the base plate, and the upper end face of the positioning seat is provided with a positioning boss, and the middle part of the upper end face of the positioning seat is provided with a threaded through hole. The pressure plate is arranged directly above the positioning seat, and the middle part of the upper end face of the pressure plate is provided with a light hole, and a fastening bolt is inserted in the light hole, and the end of the fastening bolt is threadedly connected to the threaded through hole. The present invention is used for bonding phenolic bakelite retainers to aluminum sheets.

The invention discloses a self-heating device applied to pretreatment of clenbuterol detection and an implementation method thereof, and the self-heating device comprises a bottom groove and an upper groove and is made of high-temperature-resistant bakelite. The bottom groove is used for containing a self-heating bag and water and used for heating, the upper groove is used for containing a centrifugal tube containing an animal tissue sample, and the bottom groove and the upper groove are connected through a clamping groove. The outer diameter of the bottom groove is 100 * 35 * 100mm, the inner diameter of the bottom groove is 90 * 30 * 90mm, the outer diameter of the upper groove is 110 * 5 * 110mm, the inner diameter of the upper groove is 90 * 30 * 90mm, nine round test tube holes and a small exhaust hole are formed in the top of the upper groove, the diameter of the round hole of the upper groove is 12mm, the diameter of the exhaust hole is 2mm, a clamping groove is formed in the joint of the lower part of the upper groove and the bottom groove, the width of the clamping groove is 6mm, and the depth of the clamping groove is 5mm. According to the invention, the problem that the sample needs to be heated and extracted when the colloidal gold immunochromatography technology is used for detecting clenbuterol in animal tissues in a non-experimental environment is well solved, and the simplicity and the timeliness of operation are greatly improved.

The invention relates to a gas meter comprising a sensor and a numerator with LCD display connected to the sensor, which is used to reduce the cost by eliminating the rotary joint gear, axle gear assembly, magnetic coupling assembly and mechanical numerator gears and calibration gears and to allow measurement during the rotation of the bakelite (rotating disk).

The utility model discloses a tung oil modified resin hot-pressed bakelite plate, which relates to the field of bakelite plates and comprises a bakelite plate body, a clamping component is arranged at the top of the bakelite plate body, and the clamping component comprises four slots arranged at the top of the bakelite plate body. By arranging the clamping assembly, when the cutting pad needs to be installed, four inserting blocks at the bottom of the cutting pad can be inserted into inserting grooves at the same time, when the inserting blocks are inserted, clamping blocks can be pushed to move so that the clamping blocks can extrude spring rods, after the inserting blocks are completely inserted into the inserting grooves, the clamping blocks can tightly clamp the inserting blocks under the counter-acting force of the spring rods, and therefore the cutting pad can be installed. During disassembly, the cutting pad can be disassembled and replaced only by pulling the cutting pad upwards and moving the inserting block out of the inserting groove, the disassembly and assembly process is simple and convenient, and the situation that the cutting pad is difficult to take out due to the fact that the attraction force of a magnet is large when the magnet is used for attraction is avoided; and therefore, the taking-out efficiency of the cutting pad is improved.

The utility model relates to the technical field of plywood automatic punching drilling and milling integrated machine, disclose plywood automatic punching drilling and milling integrated machine, the utility model discloses a follow -up dust extractor, the follow -up dust extractor is configured at the lower end surface of drilling and milling motor and is sleeved in the outside of drill bit or milling head, the follow -up dust extractor is equipped with a cavity that is open downward, the cavity is connected with suction fan through suction hose, the cavity forms the negative pressure suction force in and carries out the cleaning to the wood chip generated by punching or milling. The utility model adopts the unique structure design, its outside is sleeved in the drill bit when working, when the wood chip splashes, the annular surrounding structure of suction guide sleeve can block the big particle wood chip, and the design of suction guide sleeve makes the wind more concentrated near the cutting position, compared with prior art effectively improve the probability of absorbing wood chip, so the selection requirement of matched dust collection fan can be low.

The utility model relates to the technical field of electronic baking varnish jigs, and discloses an electronic part paint spraying bakelite shielding jig which comprises a jig frame and further comprises two clamping bins, the two clamping bins are fixedly installed on the left side and the right side of the jig frame respectively, limiting springs are fixedly installed in inner cavities of the clamping bins, and the limiting springs are fixedly installed on the left side and the right side of the jig frame respectively. The side, away from the clamping bin, of the limiting spring is fixedly connected with a clamping plate, the side, away from the jig frame, of the clamping bin is movably sleeved with a pull rod, the pull rod is fixedly connected with the clamping plate, a top jig plate is placed at the top end of the jig frame, and fixing plates are fixedly installed on the left side and the right side of the top jig plate correspondingly. And the pull rod is pulled to drive the clamping plate to be separated from the fixing plate, so that the top jig plate is not limited, rapid replacement and installation of the top jig plate are achieved, and the top jig plate can be rapidly replaced into different specifications according to needs.

The utility model discloses a hook-type commutator, and belongs to the technical field of hook-type commutators, and the hook-type commutator comprises a bakelite powder matrix. The device is novel in design and ingenious, polytetrafluoroethylene liquid is poured into the first cavity, polytetrafluoroethylene is a high-performance fluoropolymer and has excellent high-temperature resistance, the liquid form of the polytetrafluoroethylene is kept stable at high temperature, in addition, the second cavity is formed in the bakelite powder base body and located outside the first cavity, and the high-temperature resistance of the bakelite powder base body is improved. The high-temperature-resistant film insulating material is installed in the second cavity, and the high-temperature-resistant film insulating material has high hardness, good brittleness, good chemical corrosion resistance and extremely high heat resistance, so that the stability of the structure and the performance of the high-temperature-resistant film insulating material can be kept in an extremely high-temperature environment, and the hook type commutator cannot be influenced by high temperature during high-speed operation; and the outer diameter change and the inter-sheet segment difference of the hook-type commutator are smaller, so that the stability and the working reliability of the hook-type commutator product are effectively improved, the service life of the hook-type commutator product is effectively prolonged, and the practicability of the device is greatly improved.

The bakelite packaging box comprises a bakelite packaging box body and a supporting plate base arranged at the bottom of the bakelite packaging box body, welding plates are arranged on the two sides of the bottom of the supporting plate base respectively, sliding ways are arranged on the inner sides of the welding plates respectively, and sliding ways are arranged on the two sides of the inner side of a bottom frame respectively. Sliding threaded blocks are arranged on the connecting rods, pulleys are arranged on the outer sides of the upper ends of the inner supporting frames, connecting rods are arranged at the upper ends and the lower ends of the outer supporting frames, pulleys are arranged on the outer sides of the lower ends of the outer supporting frames, lead screws are arranged between the sliding threaded blocks and the fixing blocks, and a rocking handle is arranged at one end of each lead screw. According to the bakelite packaging box, the lead screw can be driven to rotate through the grab handle, the sliding threaded block is driven to axially move, then the inner supporting frame and the outer supporting frame are pulled through the connecting rod to achieve synchronous lifting, the supporting plate base is stably lifted, the bakelite packaging box is far away from the humid environment of the ground, and the service life is effectively prolonged.

The utility model discloses a thermal performance simulation test structure of a high-power TEC laser, which relates to the technical field of thermal performance simulation test and comprises a bottom plate. The two ultra-silence fans are arranged at the right end of the fan fixing frame; the heat dissipation water row is arranged at the right ends of the two ultra-silence fans, the right end of the heat dissipation water row is connected with the water row fixing frame, and the water row fixing frame is arranged at the top of the bottom plate. The water tank fixing base is arranged on the front side of the middle of the top end of the bottom plate, a fixing groove is formed in the top of the water tank fixing base, and a cooling liquid water tank is arranged in the fixing groove. The high-performance stable water pump is arranged in the middle of the top end of the bottom plate and connected with the bottom plate. The heat-insulating bakelite is arranged on the right side of the top end of the The simulated heat source is arranged at the top of the heat-insulation insulating bakelite, and the front end of the simulated heat source is provided with a heat-dissipation water-cooling plate According to the scheme, a high-efficiency and high-power air-cooling and water-cooling combined circulating heat dissipation system is realized, so that a high-power TEC laser thermal performance test and verification system is realized.

The utility model discloses a temperature controller knob which comprises a knob body and a fixing ring, a plurality of limiting rods are annularly arranged on the bottom face of the fixing ring, mousing hooks are arranged at the tail ends, away from the fixing ring, of the limiting rods, a plurality of limiting blocks are annularly arranged on the bottom face of the fixing ring, and the limiting blocks and the limiting rods are distributed in a staggered mode. A receding groove matched with the limiting rod and a limiting inserting groove matched with the limiting block are formed in the rotary knob body, and the length of the limiting rod is larger than that of the limiting block. According to the utility model, the anti-falling hooks are arranged on the knob, and the three anti-falling hooks are connected, clamped, limited and fixed with the hole sites on the bakelite shell of the temperature controller after being inserted into the knob holes, so that the knob is prevented from falling upwards, the trouble that balls, springs and clamping rings need to be installed at the round hole sites is avoided, and the same function is realized through the limiting rod and the anti-falling hooks; cost is saved, assembling is simple, and the structure is stable.

The utility model relates to a clamping device for mounting bracket type workpieces, which belongs to the technical field of bakelite processing and comprises an adsorption base, a sucker is bolted at the top of the adsorption base, an adsorption groove is arranged at the top of the sucker, and a scrap collecting net is embedded in the adsorption groove. According to the clamping device for the mounting bracket type workpieces, a chipping collecting net is embedded in an adsorption groove in the top of a suction cup, wood chips are isolated outside a vacuum channel through the chipping collecting net in the machining process, the chipping collecting net is mounted in the adsorption groove through mounting screws, and when the chipping collecting net needs to be cleaned, the chipping collecting net is prevented from being damaged; according to a common clamping device for the mounting support type workpiece with the vacuum suction cup, when the workpiece is placed on the adsorption face of the vacuum suction cup and machined, once through hole machining needs to be carried out on the workpiece, chippings generated during machining can fall into the suction cup through a through hole, and the machining efficiency is improved. And the problem that a vacuum channel is blocked is solved.