39results about How to "Easy to fix and remove" patented technology

The invention discloses an integrated parameter test device of a speed reducer. The integrated parameter test device comprises a one-dimensional X-directional load regulation platform, a magnetic powder brake, a two-dimensional Y and Z-directional speed reducer regulation platform, a three-dimensional X,Y and Z-directional motor regulation platform, a motor, a turbine worm reducer, two torque sensors, a torque sensor height adjustment stand, an infrared temperature sensor and four pairs of flanges. The test platform has a simple structure, is convenient for operation, and can rapidly and accurately regulate and position components with different input and output shaft centers in a test system. The test device adopts the torque sensors and the infrared temperature sensor to test the integrated parameters of rotation speed, torque, transmission efficiency and temperature rise of different types of speed reducers.

A method for arranging the locating block to ensure the welding gap between two pipes to be buttwelded includes choosing the shape of groove accoring to the tickness of pipe wall, machining the groove, and welding several locating blocks between two grooves of two pipes by dot welding.

The invention discloses a convenient-to-dismount aluminum alloy fireproof window, and relates to the technical field of fireproof windows. The convenient-to-dismount aluminum alloy fireproof window comprises an outer frame body, a group of louver blades and a fixed assembly, wherein a beam is fixedly arranged in the outer frame body; a vertical beam is fixedly arranged between the beam and the inner bottom surface of the outer frame body; a glass cavity and one group of louver blade cavities are formed between the beam and the outer frame body; first mounting slots are formed in the two ends of the beam and the two ends of the bottom side of the outer frame body; the inner wall, close to the louver blade cavities, of the first mounting slot is equipped with a penetrating hole; and a plurality of second mounting slots are formed in the two side walls of the outer frame body side by side. According to the convenient-to-dismount aluminum alloy fireproof window disclosed by the invention,the first mounting slot and the second mounting slot are formed in the outer frame body, so that positioning and limiting of a first splicing block and a second splicing block are convenient; a firstbolt is matched with a second bolt for use, so that mounting and dismounting of the first splicing block, the second splicing block and the outer frame body are convenient, and the problem that louverblades on an existing fireproof window are inconvenient to mount and dismount is solved.

The invention relates to a silicon rod clamp for a sawing machine, and aims at solving the problem of poor product quality when the existing clamp is used for clamping a silicon rod. The silicon rod clamp comprises a left support table, a right support table, a pressing device and a positioning device, wherein the pressing device comprises an upright post, a horizontal rod, a slide block, a first screw rod, a press block and a handle, the horizontal rod is fixedly connected with the upper end of the upright post and is provided with a strip-shaped hole, the slide block is clamped and connected on the horizontal rod and can move along the strip-shaped hole, the first screw rod is arranged in the slide block in a penetrating way through screw threads and is in vertical arrangement, the press block is arranged at the lower end of the first screw rod, the handle is fixedly connected with the upper end of the first screw rod, the positioning device comprises a support seat, a second screw rod and a positioning block, the support seat is fixedly connected onto the support table, the second screw rod is rotationally connected onto the support seat through screw threads and is arranged in the left-right direction, and the positioning block is connected with the right end of the second screw rod. The silicon rod clamp has the advantages that the fixation and the dismounting of the silicon rod are more convenient, the work efficiency is improved, during the silicon rod installation and clamping, the damage to the silicon rod is little, the product rejection rate is reduced, the product processing precision can be improved by the positioning device, and the product quality is improved.

The invention relates to the technical field of crimping devices. The invention further discloses a terminal crimping device for the automobile wire harness. The device comprises a machine base, and the upper end of the machine base is fixedly connected with a mounting frame. Hydraulic cylinders are symmetrically mounted on the inner side wall of the mounting frame; the output ends of the hydraulic cylinders are fixedly connected with a mounting base; an upper cutter is mounted at the bottom of the mounting base; a lower cutter is fixedly connected to the machine base under the upper cutter; movable grooves are formed in the positions, located at the four corners of the lower cutter, of the upper end of the machine base, threaded rods are rotatably connected to the opposite groove walls ofthe movable grooves through two bearings, gears are fixedly connected to the rod walls of the threaded rods in a sleeving mode, movable blocks are slidably connected into the movable grooves, and threaded holes are formed in the movable blocks. According to the terminal crimping device, the terminals are very convenient to fix and disassemble, the clamping time is shortened, the processing efficiency of the terminal crimping device is improved, and batch processing of the terminals is facilitated.

The invention discloses a reaction kettle leakage detection device which comprises an annular detector, a circulation pressure water pump and a control panel. The annular detector is an annular shell. A pressure water channel is arranged inside the shell. The cross section of the pressure water channel is in a C shape. The inner side of the pressure water channel is directly attached to the shell of a reaction kettle. Annular sealing layers are arranged on the inner side of the shell. The sealing layers are arranged on the upper side and the lower side of the pressure water channel. A water inlet pipe and a water outlet pipe are arranged on the shell and connected to the circulation pressure water pump. A plurality of pressure detection probes are evenly distributed on the shell. The shell of the reaction kettle is sleeved with the device, shell bodies on the same height position on the shell of the reaction kettle can be detected by the device body within the same time, and the leakage position of the reaction kettle is precisely determined on the basis of data reflected by the control panel and the pressure detection probe; the working efficiency of the reaction kettle leakage detection work is improved.

The invention belongs to the technical field of FPC welding, and particularly relates to an FPC welding machine. The FPC welding machine comprises a body; a door-shaped frame is arranged at the rear part of the top of the body, and a welding device is connected on the door-shaped frame in a sliding way; a sliding table is connected to a sliding rail fixedly connected to the top of the body in a sliding manner and used for mounting to-be-welded piece; a driving device for driving the sliding table to slide back and forth is arranged at the bottom of the sliding table; a group of negative pressure holes are uniformly formed in the sliding table, air suction holes are connected to the bottoms of the negative pressure holes, and are communicated with an air extractor through hoses. Through theFPC welding machine disclosed by the invention, the to-be-welded piece can be flexibly fixed through the negative pressure holes, and the damage on the to-be-welded piece during rigid clamping is reduced.

The invention discloses a novel protective cover for a drilling machine. The novel protective cover comprises a protective structure used for protection during operation of the drilling machine, a fixing structure used for fixing the protective structure to the drilling machine and a connecting structure used for connecting the protective structure and the fixing structure. Fixing, spacing adjustment and angle adjustment of the protective cover can be realized, and meanwhile, the protective cover is convenient to open or close in the use process. In addition, the safe operation conditions of operators can be effectively improved, the safety risk is reduced, and the convenience of workpiece machining is ensured.

The invention discloses a die cover structure for a welding die. The die cover structure comprises a die cover shell. A ventilation cavity is formed in the die cover shell. The ventilation cavity communicates with the outside through an air outlet. The ventilation cavity in the die cover shell comprises a filtering area and an air outlet which are arranged from bottom to top. The lower portion of the filtering area communicates with a melting cavity in the die body, and the upper portion of the filtering area communicates with the air outlet. The air outlet is located in the side face of the upper portion of the die cover shell. The die cover structure has the beneficial effects that the filtering area can conduct filtering and cooling, the smoke removing effect is good, smoke generated by welding needs to pass through the filtering area and then gets away from the die from the air outlet, filtering is sufficient, and the environment is better protected; a partition plate is arranged in a die cover and can separate the filtering area provided with different kinds of filtering filler, multi-layer filtering and multi-time filtering are achieved, and the smoke filtering effect is further improved; the die cover is divided into an upper cover body and a lower cover body, the filtering filler in the filtering area is replaced conveniently, and die cover cleaning is also convenient; and a sealing structure is arranged on the bottom face of a ring-shaped salient pole, and it is ensured that smoke enters the filtering area from the top of the sealing structure.

The invention discloses a novel centrifugal separator. The novel centrifugal separator comprises a centrifugal machine body. The bottom end face of the centrifugal machine body is provided with supporting legs, and one side of the corresponding supporting leg is provided with a water pump. The centrifugal machine body is internally provided with a barrel body, the center of the bottom end face ofthe barrel body is connected with the top end of a fixing shaft in a welded manner, and the bottom end of the fixing shaft is installed on the inner wall of the centrifugal machine body through a bearing. The upper portion and the lower portion of the outer surface of the barrel body are provided with a first gear slot and a second gear slot. The left side of the top inner wall of the centrifugalmachine body is rotatably connected with the top end of a rotating shaft through a bearing, the bottom end of the rotating shaft is fixedly connected with a first gear in a welded manner, and the bottom end of the first gear is fixedly connected with fans in a welded manner. The right side wall inside the centrifugal machine body is provided with a motor through bolts, the bottom end of the motoris fixedly connected with a second gear in a welded manner, and the second gear and the second gear slot are in transmission connection through gear meshing. The centrifugal separator is compact in structure and convenient to use.

The invention discloses a novel disc tube type reverse osmosis membrane element and a production method thereof, and relates to the technical field of disc tube type reverse osmosis membranes. The disc tube type reverse osmosis membrane element comprises membrane bags and flow guide discs, the multiple membrane bags and the multiple flow guide discs are arranged in a spaced and stacked mode, and the membrane bags and the flow guide discs are each provided with a center hole; each membrane bag is composed of two DTRO membranes, the outer peripheries of the two DTRO membranes are welded and sealed in an involution mode, the inner periphery corresponding to the center holes is open, protruding points are arranged on the outer surfaces of the two DTRO membranes of each membrane bag respectively, the DTRO membranes make contact with the flow guide discs through the protruding points, and the protruding points enable the membrane bags to be supported on the flow guide discs and plays a blocking and guiding role for fluid flowing between the membrane bags and the flow guide discs. According to the invention, the protruding points are printed on the surface of the DTRO membranes which is ultrasonically welded in advance in a 3D printing manner, and the flow guide discs adopt optical discs without protruding points, so that not only are the protruding points on the original flow guide discs prevented from easily puncturing the DTRO membranes, but also turbulence is improved favorably, and the filtering efficiency of the membranes is improved favorably.

The invention discloses a 3D printer head structure. The 3D printer head structure comprises a turning rack, a casing and a fixed bracket, wherein a base is mounted on the turning rack; pull rods arefixed at two ends of the top of the base; screw holes are uniformly formed in the turning rack; an adjusting bolt is fixed on one side of the base and connected with the screw holes; fastening blocksare fixed at two ends of the turning rack; clamp slots are uniformly formed in the fastening blocks; the fixed bracket is fixed at the bottom end of the turning rack; connecting blocks are fixed at two ends of the fixed bracket; a heat conducting layer is arranged between a heating cavity and a cylinder; a feeding pipe is mounted at the top end of a piston, and the bottom end of the feeding pipe vertically penetrates through the piston to extend into the cylinder. The turning rack is mounted, and the screw holes are uniformly formed in the turning rack, so that the screw holes and adjusting bolt are connected, the base is fixed on the turning rack, change of the spraying direction of a spray nozzle is realized, and printing of the printer is convenient.

The invention belongs to the technical field of inverters, particularly relates to an automobile inverter, and aims to solve the problems that most existing inverters are mounted in a front automobilecover of an automobile through screws, inconvenient to mount, dismount and maintain and poor in exhaust and heat dissipation effect, and the automobile inverter comprises an inverter body and a mounting box. A ventilation box is fixedly installed on the inner wall of the bottom of the installation box, a plurality of air holes are formed in the outer side of the ventilation box, the inverter bodyis placed at the top of the ventilation box, two sliding holes are symmetrically formed in the top of the ventilation box, sliding blocks are installed in the two sliding holes in a sliding mode, andheat dissipation fixing boxes are fixedly installed at the tops of the two sliding blocks. The sides, close to each other, of the two heat dissipation fixing boxes are each fixedly provided with an abutting pad, the abutting pads make contact with the inverter body, and an air blowing box is fixedly connected to the inner wall of the bottom of the ventilation box. The inverter is simple in structure and convenient to operate, the inverter body is convenient to mount, dismount and maintain, and the exhaust and heat dissipation effects on the inverter body can be improved.

The invention discloses a garbage truck with a detachable carriage, relates to the technical field of garbage trucks, and provides the following scheme for solving the problems that according to an existing garbage truck, a carriage is inconvenient to detach and fix, and garbage is inconvenient to disinfect. The garbage truck comprises a truck body, and a cavity is formed in the truck body; a power mechanism is fixedly connected to the top of the cavity, a pushing mechanism is arranged at the right side of the power mechanism, a closing mechanism is arranged at the right side of the pushing mechanism, a spraying mechanism is arranged above the power mechanism, an opening and closing mechanism is arranged above the spraying mechanism, and the power mechanism comprises a first fixing rod fixedly connected with the top of the cavity; and the bottom end of the first fixing rod is fixedly connected with a double-shaft motor. The carriage can be conveniently and automatically disassembled, the carriage can be conveniently fixed, garbage in the carriage can be conveniently and automatically disinfected, multiple functions are achieved, and the garbage truck is suitable for being used in the market.

The invention discloses a multi-angle flexible control drill ring which comprises a fixing seat, a rotating seat is rotatably connected to the interior of the fixing seat, a fixing mechanism is rotatably connected to the interior of the rotating seat, a rotating mechanism is rotatably connected to the bottom of the fixing seat, a first frame is fixedly mounted at the top end of the rotating seat, and a cross pipe is arranged on the inner side of the first frame. According to the scheme, on the specific drill ring, the rotating column rotates in the cross-shaped pipe, so that the angle and direction between the first frame and the second frame can be driven to be changed, the angle of the fixing base can be more effectively changed through the second electric hydraulic rod, and the drill ring is more convenient to use. The angle of the whole drill bit and the angle of the drill ring can be adjusted more conveniently, when the angle of the fixed base is adjusted, the rotating base can rotate through rotation of the connecting column, and the drill bit can still be used for drilling and the like after angle adjustment.

The invention discloses accounting financial statement paper punching equipment. The accounting financial statement paper punching equipment comprises a fixed base; the inner side wall of the fixed base is fixedly connected with a driving motor; the inner wall of a motor belt wheel is movably and rotationally connected with a transmission wheel belt; the end, far from the motor belt wheel, of thetransmission wheel belt is movably and rotationally connected with a flange disc belt wheel; the middle part of the flange disc belt wheel is rotationally connected with a belt wheel fixed rotating shaft; the flange disc belt wheel is movably connected with a transmission rod body through a positioning rotating shaft; the end, far from the positioning rotating shaft, of the transmission rod body is rotationally connected with a connecting fixed pin; a guide pipe body is fixedly mounted on the inner side wall of the fixed base; a transmission rod avoiding hole is formed in the upper end of theguide pipe body; a hole opening cone is sleeved in the guide pipe body; the transmission rod body is arranged on the side wall of the flange disc belt wheel; and the driving motor is controlled to enable the hole opening cone to move up and down along the center line of the guide pipe body, so that the operation is convenient, the physical strength is saved, the operation is simplified, and the working efficiency is improved.

The invention discloses soil remediation treatment equipment which comprises a soil remediation bin, a feeding bin, remediation agent stirring boxes, a night fluorescent mark, a water spraying nozzle,first stirring shafts, a reducer, a servo motor, a supporting rod, a first controller, a discharging bin, a first conveying belt, a second conveying belt, an indication lamp and a first control panel. The feeding bin is arranged at the top end of the soil remediation bin, the remediation agent stirring boxes are arranged on the two sides of the feeding bin, the water spraying nozzle is arranged at the top end of the interior of the soil remediation bin, and the pair of first stirring shafts are arranged at the middle portion of the soil remediation bin. By means of the soil remediation treatment equipment, dust is conveniently removed, the dust is prevented from overflowing out and polluting the environment, accurate adding is facilitated, maintenance is facilitated, a certain temperaturealarming function is achieved, damage of the high temperature to the equipment is better prevented, the stirring effect is good, the stirring efficiency is high, remediation liquid and soil are sufficiently mixed, and the finished product quality is improved.

The invention discloses an antenna welding positioning tool and a welding method thereof. The tool comprises a fixed frame, a lower jig plate and a baffle. At least one row of holes are formed in thelower jig plate, and are used for containing zinc alloy columns. Grooves for containing copper pipe wire assemblies are formed in at least one side face of the fixed frame. When the fixed frame is placed over the lower jig plate, the grooves and the holes are used in cooperation one to one, the fixed frame and the lower jig plate are detachably connected, the baffle can be detachably fixed to theside face of the fixed frame, the zinc alloy columns are placed into the holes in the lower jig plate, the copper pipe wire assemblies are fixedly arranged in the grooves in the fixed frame, and thenwelding can be carried out in a high-temperature welding manner. The antenna welding positioning tool has the advantages of being simple and reasonable in structural design, convenient to use, low inmaking cost, high in welding quality, lower in fatigue level of workers and the like.

The invention provides a four-point view detection device with an adjustable position. The four-point view detection device comprises a body of a four-point view detection instrument, wherein a connecting block is fixedly mounted in the middle of the bottom of the body; the connecting block is movably connected with a cradle head; a fixed seat is arranged right below the cradle head; a strip-shaped groove is formed in the upper side of the fixed seat; a telescopic rod is movably mounted in the strip-shaped groove; the telescopic rod can move forward and backward along the strip-shaped groove;the upper end of the telescopic rod is fixedly connected with the bottom side of the cradle head; a waist type through hole is formed in the bottom of the left side of the telescopic rod; a slide rodis movably mounted in the waist type through hole; and strip-shaped slide grooves which are in bilateral symmetry are formed in the left side and the right side of the strip-shaped groove. The four-point view detection device provided by the invention has the advantages that the structure is simple, the view detection instrument is convenient to fix and disassemble, the height and the angle of theview detection instrument are convenient to adjust so as to adapt to people with different body heights and body types, the view detection device is matched with a lifting chair so as to improve theuse comfort of a user, and the view detection device can be folded, is convenient to carry and store, can meet market demands and is suitable for being popularized.

The invention provides an electrophoresis supporting frame tool for a battery box, and belongs to the technical field of fixing tools. The tool comprises a bottom frame, an upper supporting frame mechanism which is arranged on the bottom frame, comprises steel frames, first transverse rods, first upper clamps, supporting square pipes, first tension springs, a clamp fixing seat, a battery box cover limiting frame, a second transverse rod, a second upper clamp and a second tension spring, wherein the steel frames are arranged at the top of the bottom frame in a bilateral symmetry mode, the first transverse rods are evenly distributed on the front side of the right side steel frame and the rear side of the left side steel frame, and battery box cover supporting frames are evenly distributed on the surfaces of the first transverse rods, so that battery boxes can be fixed and disassembled more conveniently, manual labor force is reduced, the working efficiency is improved, the battery boxes are conveyed conveniently and rapidly, time and labor are saved. Two groups of battery boxes or battery boxes of different modules can be mounted at the same time, the applicability to different scenes is higher, the practicability is higher, and the tool can be used by a roller bed and a sleigh, so that the application range is wider.

The invention discloses a workpiece fixing device for hardware machining. The workpiece fixing device comprises a workbench, a fixed plate, a push plate, a sleeve, a sliding rod, a trapezoidal block,a limiting spring, connecting rods, convex blocks, a side plate, a screw and a rotating plate. The top of the workbench is fixedly connected with the fixed plate and the sleeve. A threaded hole is formed in the side, perpendicular to the workbench, of the fixed plate. The screw is arranged in the threaded hole and is in engaged connection with the threaded hole through a thread. The side, close tothe sleeve, of the screw penetrates through the threaded hole to be rotationally connected with the side plate through a bearing. The other end of the screw penetrates through the threaded hole to befixedly connected with the rotating plate. The sliding rod is in sliding connection in the sleeve. The end, away from the fixed plate, of the sliding rod penetrates through the screw to be exposed inair. The other end of the sliding rod penetrates through the sleeve to be fixedly connected with the push plate. The device is convenient to use and can be fixed and taken down easily, adjusting is convenient, the tightness degree can be conveniently adjusted when different kinds of hardware are machined, and the fixed distance can be adjusted.

The invention discloses an ultrasonic wave treatment gun. An ultrasonic wave energy converter is arranged in a housing and is arranged on the upper part of a working circuit board. A third water storing plate is arranged on the outer side of the ultrasonic wave energy converter. A first water storing plate is arranged on the outer side of the third water storing plate. A second water storing plateis connected between the third water storing plate and the first water storing plate. The bottom of the second water storing plate is connected with the motor. The motor is arranged between the second water storing plate and the first water storing plate. A water tank is fixedly connected to the surface of the second water storing plate. According to the invention, exchange between cold water isachieved; the interior of the ultrasonic wave gun can be continuously cooled; through double cooling water for temperature reduction, temperature reduction effects are reduced; through a temperature measurement device, the human temperature can be measured; it is convenient to measure the temperature when a patient is treated; different parts of the body can be conveniently treated; health of different patients during use of the treatment gun is ensured; and the treatment gun is reliable in structure, safe, environment friendly, labor-saving, and suitable for wide promotion and use.

The invention discloses a clinical laboratory bacterial culture device with an oscillation function, which comprises a culture box, a gear motor is fixedly mounted at the bottom end in the culture box, an output shaft of the gear motor is fixedly connected with a rotary support plate, and a plurality of placement trays are uniformly arranged at the upper end of the rotary support plate at intervals; a fixed clamp and a movable clamp are arranged at the upper end of the placement disc, a conical culture bottle is fixed between the fixed clamp and the movable clamp, a mounting ring is fixedly arranged at the position, located on the outer side of the rotary supporting plate, in the culture box, and an oscillation mechanism is arranged between the mounting ring and the rotary supporting plate. Centrifugal oscillation and left-right shaking oscillation of the multiple conical culture flasks are achieved through one gear motor, the bacterial culture effect is better, and oscillation can be selectively conducted on bacterial culture.

The invention relates to a top wire incoming mechanism of a nuclear power high-temperature reactor cabinet. The cabinet comprises a cabinet body and a top plate assembly fixed to the cabinet body, wherein the top plate assembly comprises a top plate; a wire incoming unit is installed on the top plate and includes an inner bracket and a plurality of outer brackets; the inner bracket is detachably fixed to the top plate; a wire tie rod is detachably fixed to the inner bracket; the inner bracket includes an outward bent first bent edge group; each outer bracket includes an inward bent second bentedge group; the plurality of outer brackets are fastened to the outer side of the inner bracket; the edge of the first bent edge group is connected to the edges of the second bent edge group; and theadjacent outer brackets are detachably fixed together. The top wire incoming mechanism not only ensures stability, but also can be easily fixed and disassembled, and can achieve a protection effect.

The invention discloses machining equipment for machining a T-shaped groove and a side wall combined forming cutter, and belongs to the field of machining equipment. The machining equipment comprisesa device body, a movable cover and a fan, a fixed block is arranged on the side of the device body, a bevel gear is arranged in the fixed block, a screw rod is connected to the side of the bevel gear,and a first lifting block is connected to the end of the screw rod. A connecting rod penetrates through the top of the first lifting block, a first hydraulic rod is arranged below the connecting rod,a first rotating rod is connected to the end of the first hydraulic rod, rotating teeth are connected to the end of the first rotating rod, and a clamping rod is arranged above the rotating teeth. The equipment is provided with the fan, the height of the fan is convenient to adjust, and waste and dust generated during operation of the equipment can be blown away so that the condition of a mold can be better observed during machining of the equipment.

The invention provides a detachable laser cutting tool holder structure, comprising a limit installation groove and a guide fixing hole, a fixing base plate is arranged at the bottom of the device body, and a protective fixing pad is arranged on the bottom surface of the fixing base plate; the fixing base plate is provided with a protective fixing pad; There are four fixed protruding strips in the outer annular array of the bottom circumference, and the outer ends of the fixed protruding strips are all provided with mounting holes; the center of the top of the fixed base plate is provided with a fixed sleeve, and the annular array above the outer circumference of the fixed sleeve has four adjustment knobs A bearing is installed in the inner center of the fixed sleeve, and the rotating fixed disk is fixedly installed on the top of the fixed sleeve; the center of the bottom of the rotating fixed disk is provided with a fixed convex column inserted into the bearing. The arrangement of the rotating fixed plate of the present invention is beneficial to changing the position of the laser cutting head by rotating the laser cutting machine, and can be locked by adjusting the knob when it is rotated to an appropriate position, and at the same time, the top is connected with the laser cutting machine by bolts, which is convenient for disassembly and installation .

The invention discloses a gas pressure reducing device. The gas pressure reducing device comprises two supporting seats, gas inlet pipes and a gas outlet pipe. Fixing devices are fixedly arranged at the bottom ends of the two supporting seats correspondingly. The top end of one of the supporting seats is fixedly connected with the bottoms of one ends of the gas inlet pipes. The middles of the gasinlet pipes are provided with gas inlet pipe adjusting valves. The other ends of the gas inlet pipes are fixedly connected with one end of a connecting pipe through a connecting piece. The other end of the connecting pipe is fixedly connected with a gas inlet of a pressure reducing valve. According to the scheme, the gas pressure in a pipeline is conveniently detected through an arranged pressuredetection device, and the situation that the gas pressure fluctuation range after the pressure is reduced is large, the pressure of the gas cannot be controlled accurately, and harm is easily caused is prevented; the pressure reducing device is conveniently mounted through the arranged fixing devices, and dismounting and fixing are convenient; and the two gas inlet pipes are arranged, when one ofthe gas inlet pipes needs to be replaced or maintained, the other gas inlet pipe is used, and the gas pressure reducing device can always be in a working state.

The invention discloses a fixing fixture for mechanical mold machining. The fixing fixture comprises a mounting base. The top end of the mounting base is provided with a mounting groove. A connectingplate is inserted in the mounting groove. A fixed plate is fixed to the top end of the connecting plate. The center of the side face of the connecting plate is provided with a through screw hole. Thecenter of the sidewall of the mounting groove is provided with a connecting screw hole. The connecting screw hole penetrates through the side face of the mounting base. A mounting screw rod is in threaded connection with the interiors of the connecting screw hole and the through screw hole. The two opposite side faces of the mounting base are provided with sliding grooves. The sliding grooves areprovided with fixing screw holes. A sliding block is slidably connected to the interior of each sliding groove. The end of each sliding block is fixedly connected with a mounting plate. An adjusting plate is fixed to the top ends of the mounting plates. A limiting mechanism is arranged on the outer side face of each mounting plate. Each limiting mechanism comprises a main board and limiting screwrods. The side face of each main board is symmetrically provided with two matched screw holes. The inner side face of each main board is symmetrically and fixedly provided with two clamping plates, pressure springs are fixed to the centers of the side faces of the clamping plates, and movable plates are fixed to the ends of the pressure springs.

The invention relates to the technical field of high-voltage motors, and discloses a high-voltage motor with an automatic speed regulation function. The high-voltage motor comprises a base, a motor main body, a fixed plate and a speed regulation box, wherein sliding grooves are formed in two sides of the top part of the base, sliding blocks are fixedly connected to two sides of the bottom part of the fixed plate, the sliding blocks are matched with inner cavities of the sliding grooves, fixing plates are fixedly connected to the two sides of the bottom part of the motor body, fixing holes are formed in the two ends of each fixing plate, connecting bolts are movably connected into the fixing holes, limiting holes are formed in the two ends of the two sides of each fixing plate, the connecting bolts are movably connected with the limiting holes, and springs are fixedly connected to the two sides of the top parts of the connecting bolts. According to the high-voltage motor with the automatic speed regulation function, through the arrangement of the sliding blocks and the sliding grooves, the fixing plate can move on the base, the fixing plate can drive the motor body fixedly connected with the fixing plate to move on the base, and the rotating speed of the motor can be changed conveniently.