22 results about "Upper tooth" patented technology

The utility model relates to the technical field of hydraulic engineering, in particular to an anti-seepage hydraulic engineering dam which comprises a concrete top plate and a concrete bottom plate, an upper tooth wall is fixedly connected to the upper end of the concrete top plate, and a plurality of upper tooth grooves are formed in the upper end of the upper tooth wall. A filtering assembly is fixedly connected between the concrete top plate and the concrete bottom plate, and the rear end of the filtering assembly is fixedly connected with a protection assembly. According to the anti-seepage water conservancy project dam, double anti-seepage barriers are formed through the composite structure of the inclined anti-seepage wall and the two-cloth-one-membrane anti-seepage geomembrane, the inclined anti-seepage wall can guide water flow to be dispersed along the slope surface, seepage pressure is reduced, and the two-cloth-one-membrane anti-seepage geomembrane can be used for preventing the water flow from entering the water conservancy project dam through the isolation and drainage performance of fabric and the low permeability of membrane materials. A water seepage path is effectively blocked, a fixing frame and a separation net are matched, the geomembrane is protected against damage, impurities can be intercepted, and the dam anti-seepage efficiency is greatly improved.

The invention discloses a multi-tooth indexing table control device based on an inductance type encoder, closed-loop control is carried out through the inductance type encoder, the real-time angle value of a multi-tooth indexing table is obtained according to terminal feedback, the control device adopts an STM32 single-chip microcomputer as a main control chip of a control circuit, a lifting motor and a transposition motor are controlled through PWM signals, and the control circuit is connected with the control device. Driving force is transmitted to an upper fluted disc of the multi-tooth indexing table, so that the multi-tooth indexing table can accurately complete ascending, descending and transposition operations; closed-loop control is achieved through the inductive encoder, interference of external environments such as electricity, a magnetic field and a force field on control signals is effectively avoided, the fault probability of the multi-tooth indexing table is reduced, and the angle output or measurement precision of the multi-tooth indexing table is improved; the main control chip of the control circuit adopts an STM32 single-chip microcomputer, and has the advantages of small size, low power consumption, strong stability and rich resources.

The utility model discloses a raw material cutting device for wind power tower thick plate door frame production, a cutting mechanism comprises a lifting rail, the bottom of the lifting rail is fixedly connected with an upper chain wheel, the inner side of the lifting rail is slidably connected with a lifting block, one end of the lifting block extends to the outside of the lifting rail, and the other end of the lifting block is connected with a lower chain wheel. A rotating block is movably installed at the end, located outside the lifting rail, of the lifting block, a fixed hoop ring is fixedly connected to the side edge of the face, away from the lifting block, of the rotating block, a movable hoop ring is further slidably connected to the outer wall, close to the fixed hoop ring, of the rotating block, and threading holes are formed in the ends of the outer walls of the fixed hoop ring and the movable hoop ring correspondingly; the flame cutting gun is clamped and fixed together through the fixed hoop ring and the movable hoop ring, and the fixed flame cutting gun is limited in the moving direction through the arranged lifting rail, so that it can be guaranteed that the cutting track is straight when an operator holds the flame cutting gun, and the cutting effect can be improved easily.

The chip removal mechanism comprises a machine tool body, an opening is formed in one end of the machine tool body, a groove is formed in one side of the machine tool body, an inner cavity of the groove is connected with a fixing plate, an operation table is installed on the upper side of the fixing plate, an upper fluted disc and a lower fluted disc are arranged at the two ends of the machine tool body, and gears are arranged on the inner side of the upper fluted disc and the inner side of the lower fluted disc. One end of the gear is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a push block, one side of the connecting rod is connected with a small shaft disc, chippings on the surface of the operation table fall into the conveying belt after being pushed by the push block, the chippings cannot be separated leftwards and rightwards through a guardrail on the surface of the conveying belt, and the chippings cannot be stacked together through a check block. Chippings on the surface of the conveying belt fall into a collecting box through operation of a second motor, the purpose of chip removal is achieved, the functionality and practicability of the device are improved, and the problem that an existing chip removal mechanism of the machine tool body cannot continuously remove the chippings on the machine tool body is solved.

The utility model discloses a medical examination oscillation device, and relates to the technical field of medical examination. Comprising a fixed outer frame, a fixed ring and a fixed bottom plate are fixedly arranged on the inner wall of the fixed outer frame, the top of the outer wall of the fixed bottom plate is fixedly arranged on the fixed ring, a rotating plate is rotationally embedded between the fixed outer frame and the fixed ring, and a plurality of extension rods are fixedly arranged on the top of the outer wall of the rotating plate along the circumferential surface at equal intervals; the outer walls of the multiple extension rods are slidably sleeved with an oscillation frame, the outer wall of the oscillation frame is slidably embedded in a fixed outer frame, tension springs are fixedly arranged at the tops of the outer walls of the multiple extension rods, and the top ends of the tension springs are fixedly arranged in the oscillation frame. Through the rotating plate, the extension rod, the oscillating frame, the tension spring, the upper tooth frame and the lower tooth frame, the oscillating and rotating processes can be automatically completed through motor driving, manpower and time are remarkably saved, the oscillating frequency and efficiency can be controlled, and oscillating treatment can be conveniently conducted on materials of a human body.

The utility model belongs to the technical field of special production equipment of automobile suspension system, especially relates to a quenching forming machine of automatic tooth adjusting of automobile plate spring and guide arm. Including frame, the frame is connected with the upper tooth seat through the forming guide rail, the forming oil jar, the upper tooth seat is clamped with a plurality of upper harrow teeth in through locking mechanism, the upper harrow tooth is separated and has the friction block, the lower part of frame is fixed with the lower tooth seat, the lower tooth seat is clamped with a plurality of lower harrow teeth in through locking mechanism, the lower harrow tooth is separated and has the friction block, the lower tooth seat is fixed with the lower support seat, the frame is installed with the pressure cylinder, the pressure cylinder output is fixed with the pressure plate, one side of frame is installed with the tooth adjusting mechanism, and the tooth adjusting mechanism is equipped with a plurality of tooth adjusting cylinders. The utility model can input the shape data of workpiece in the control system, and can automatically and quickly complete the harrow tooth height adjustment in a short time, greatly saves the time of manual adjustment of harrow tooth of multi-harrow tooth type quenching forming machine.

A kind of measuring tool of serrated tooth surface coating thickness, including beam assembly, first measurement component is arranged at the left end of the beam assembly for detecting the coating thickness of the upper tooth surface of low pressure turbine baffle;Second measurement component is arranged at the right end of beam assembly for detecting the coating thickness of the lower tooth surface of low pressure turbine baffle;Positioning member is arranged on beam assembly for being inserted in the counterbore of low pressure turbine baffle and positioning;First measurement component includes first lever and first dial gauge;First lever can rotate around first pin shaft in the middle, and the right end of first lever is measurement end, and the left end top surface is in contact with the measuring head of first dial gauge;Second measurement component includes second lever and second dial gauge, and second lever can rotate around second pin shaft in the middle, and the left end of second lever is measurement end, and the right end top surface is in contact with the measuring head of second dial gauge.

The utility model relates to an intermediate shaft blank secondary extrusion forming device which comprises an upper die plate and a lower die plate which correspond to each other up and down, a lower die core with a lower tooth blank positioning core hole is fixedly arranged on the top surface of the lower die plate, sliding die holders capable of transversely sliding are arranged on the two sides of the lower die plate, and core grooves are formed in the opposite sides of the two die holders. An outer limiting base is fixed to the bottom face of the upper die plate, a sliding hole is formed in the outer limiting base in the vertical direction in a penetrating mode, an inner limiting sleeve capable of vertically sliding is arranged in the sliding hole, a limiting hole is formed in the inner limiting sleeve, and the lower portion of the upper die plate is provided with a lower tooth blank positioning core hole. The upper die core is fixed to the portion, on the inner side of the limiting hole, of the upper die plate and provided with the extrusion core hole, the circular truncated cone part of the sliding die base is wedged into the lower end of the inner limiting sleeve to achieve positioning during die assembly, then the upper die core is pressed downwards to complete blank extrusion forming, accurate alignment is achieved through wedge-shaped matching of the sliding die base and the limiting sleeve, and the extrusion forming precision and efficiency are improved.

The utility model relates to a generator stator collector ring support positioning tool. The generator stator collector ring support positioning tool comprises a positioning ruler, a supporting block and a standard ruler. The positioning ruler is vertically mounted at the tail of the standard ruler; the supporting block is vertically mounted in the middle of the standard ruler; the thicknesses of the positioning ruler, the supporting block and the standard ruler do not exceed the width of a ventilation slot between two stator laminations, the length of the standard ruler is the horizontal length from the inner wall of the stator core to the center of the collector ring support, and the length of the supporting block does not exceed the length from the upper tooth pressing plate to the inner wall of the stator core. According to the scheme provided by the invention, the positioning device can be formed by the positioning ruler, the supporting block and the standard ruler, the horizontal length from the inner wall of the stator core to the center of the collector ring bracket is fixed on the standard ruler, the supporting block is used for fixing, so that the outer edge of the positioning ruler is tightly attached to the inner wall of the stator lamination, the tool is mounted at a required position, and a mark is quickly made; and the process of repeatedly measuring and positioning each collector ring bracket is reduced, and the construction efficiency is greatly improved.

The utility model discloses a safe pneumatic normally-closed brake, and belongs to the technical field of industrial brakes. The safe pneumatic normally-closed brake comprises a shaft tube, an upper fluted disc fixedly arranged at the input end of the shaft tube, and an outer fluted disc rotationally connected to the outer side of the upper fluted disc and located at the output end of the shaft tube. The driving fluted disc is arranged between the upper fluted disc and the outer fluted disc and moves in the axial direction of the shaft tube; the pressure source inlet is formed in the side, close to the upper fluted disc, of the driving fluted disc and used for allowing a pressure source to enter, so that the driving fluted disc moves to be meshed with the outer fluted disc; the spring hole is formed in one side, close to the driving fluted disc, of the outer fluted disc. According to the safe pneumatic normally-closed brake, the normally-closed design is achieved through the brake spring, the requirement for long-term combination of working conditions is met, the system stability and reliability are improved, the brake state can be kept in the low-air-pressure or non-air-pressure environment, and the problem that the torque is reduced due to insufficient air pressure is effectively solved.

The application discloses a wireless electric toothbrush, which comprises an upper tooth holder, a lower tooth holder, a concave silica gel toothbrush, a light touch switch, a convex boss, a circuit board, a bottom plate one, a bottom plate two, a sound wave motor and a food-grade RTV silica gel adhesive.

The invention discloses camera lens assembling and processing equipment, and relates to the technical field of lens assembling, the camera lens assembling and processing equipment comprises an assembling frame, a sliding rail piece horizontally sliding is installed on the assembling frame, a cylinder sliding on the sliding rail piece is connected with an assembling head, and the assembling head comprises a limiting plate, an upper tooth frame, a lower tooth frame, a rotating rod and a vacuum suction cup; the upper tooth frame and the lower tooth frame are fixed through the supporting frame and are sequentially arranged from top to bottom, and the supporting frame slides along the guide frame. According to the assembling head, an upper tooth frame, a lower tooth frame, a limiting strip and a strip-shaped groove are matched, the rotating angle and the lifting stroke of a rotating rod are controlled, and therefore adsorption and release of a vacuum suction cup and opening and closing of a clamping claw are controlled in a linkage mode; the optical surface of the lens or the sensitive part of the module is prevented from being directly contacted, and the whole process from grabbing the lens assembly to pressing the lens assembly into the module is completed on one station.

The application relates to an intelligent gear sleeve pressing special machine and a working method thereof. The machine comprises a rack, a rotating disc arranged in the middle of the rack, at least one tooling piece, each tooling piece being arranged on the rotating disc, the tooling piece being suitable for bearing a lower shaft sleeve, a gear body and an upper shaft sleeve, a first sleeve mechanism suitable for placing the lower shaft sleeve on the tooling piece, an upper tooth mechanism suitable for placing the gear body on the tooling piece, the gear body being located above the lower shaft sleeve, an oiling mechanism suitable for adding lubricating oil into the gear body, a second sleeve mechanism suitable for placing the upper shaft sleeve on the tooling piece, and a pressing mechanism suitable for pressing the upper shaft sleeve and the lower shaft sleeve on the tooling piece into the gear body, so that a finished gear piece is obtained. Automation of gear piece machining is realized, gear piece production is greatly improved, and production manufacturing cost is reduced.

The invention discloses a sine ripple outer rotor single-channel winding type rotary transformer and system. The transformer comprises a stator, a rotor, an excitation winding, a sine signal winding and a cosine signal winding. The rotor is sleeved outside the stator; a plurality of stator teeth are arranged on the outer portion of the stator in the circumferential direction, each stator tooth comprises an upper tooth and a lower tooth, the upper teeth and the lower teeth are arranged in the axial direction of the stator, and gaps are formed between the upper teeth and the lower teeth; the sine signal winding and the cosine signal winding are arranged on each stator tooth; the rotor is of a sine ripple structure in the axial direction, and the excitation winding is arranged on the rotor. The transformer has the advantages of being high in measurement precision and small in size.

The application discloses a double-speed speed reducer for a bending machine, which comprises a servo motor, horizontal bevel gears, vertical bevel gears and a three-piece clutch. The servo motor is fixed to a right-angle support, and the output shaft is connected to a center double-sun gear through the bevel gears. The three-piece clutch comprises an upper tooth chuck, a middle double-sided tooth chuck and a lower tooth chuck, and realizes clutch switching in cooperation with a traction electromagnet. An upper machine stand and four other parts constitute an outer shell, and a planetary gear system and an inner ring gear are arranged in the outer shell. An output connecting sleeve is connected to the center double-sun gear through splines. The speed reducer can automatically switch two kinds of speed reduction ratios. The large speed reduction ratio is used for slow work of a main shaft, and the small speed reduction ratio is used for fast feeding and fast returning. The speed reducer can reduce motor power, reduce power demand and cost of installed machines, and improve driving speed of a sliding block and working efficiency.

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool convenient for replacing cutters, which comprises a machine tool frame, a driving mechanism arranged in the machine tool frame, a cutter box arranged on the side edge of the driving mechanism, a switching mechanism arranged at the joint of the cutter box and the driving mechanism, and clamping mechanisms arranged at two ends of the switching mechanism, a limiting assembly is arranged on the inner side of the machine tool frame and comprises a frame arranged on the inner wall of the machine tool frame, a frame body is designed to be in a U shape, a lower tooth block is fixedly connected to the lower portion of the outer surface of the frame, and an upper tooth block is fixedly connected to the upper portion of the outer surface of the frame. According to the device, the limiting assembly is arranged on the tool conversion motion path, the clamping mechanism is driven to swing in the mode that an upper tooth block and a lower tooth block are meshed in a staggered mode, chippings are forced to fall off by means of the swing force, and the effect of removing the chippings attached to the outer surface of a tool bit is achieved.

The invention discloses a high-precision lifting table top program control multi-tooth indexing table control method and a high-precision lifting table top program control multi-tooth indexing table structure, and relates to the technical field of indexing tables. The electrical system controls the mechanical system to lift, fall, rotate and position through a control circuit, the mechanical system comprises a base, a lifting assembly, a main shaft, a lower fluted disc, an upper fluted disc and a transposition assembly, the transposition assembly is fixedly connected with the upper fluted disc, the bottom of the main shaft is connected with a rotor of an angle encoder, and a stator of the angle encoder is installed on the base; the position information of the upper fluted disc can be output in real time, it is guaranteed that the program-controlled multi-tooth indexing table falls after being accurately positioned, and the in-place accuracy of the program-controlled multi-tooth indexing table is effectively guaranteed; high indexing precision and positioning precision of the lifting tabletop multi-tooth indexing table are achieved through an electrical system and a mechanical system, high-precision program control of the multi-tooth indexing table is achieved, operation is convenient and easy to achieve, and operability is high.

The utility model discloses a material conveying anti-blocking integrated device which comprises a material conveying pipe, a material anti-blocking piece is detachably connected to the position of a discharging opening in the bottom end of the material conveying pipe, the top end of the material anti-blocking piece is arranged on the outer wall of the material conveying pipe, and the material anti-blocking piece comprises a protective shell arranged at the bottom of the material conveying pipe. And an upper gear ring and a lower gear ring are rotationally connected to the interior of the protective shell. According to the material conveying anti-blocking integrated device, through the unique material anti-blocking piece design, efficient cleaning of the inner wall of the conveying pipe is achieved, a lower gear ring in the protection shell is matched with a scraping rod and is driven by the power assembly to rotate, the top end of the scraping rod abuts against the inner wall of the conveying pipe, viscous and caked materials attached to the pipe wall can be effectively removed, and the anti-blocking effect is good. And under the cooperation of a lower gear ring and a gear, a vibration piece can be driven to move up and down on the outer wall of the conveying pipe, meanwhile, the conveying pipe is vibrated, material blockage is reduced, and switching use is facilitated according to use scenes.

The utility model discloses an electrolytic capacitor tester, which relates to the technical field of capacitance testers, and comprises a tester main body, the upper part of the tester main body is movably connected with a protective shell, and the protective shell is provided with a test wire contraction assembly. The test wire contraction assembly comprises a rotating rod and a gear which are movably connected to the protective shell, and a take-up reel and a double-end wire which are movably connected to the protective shell, the rotation of the rotating rod drives the take-up reel to rotate, the rotation of the take-up reel enables the double-end wire to contract, and the take-up reel is provided with a test replacement assembly. A conical testing head and an upper toothed plate can test an electrolytic capacitor, a threaded rod and a sleeve are in threaded connection so that the conical testing head can make contact with the upper toothed plate, a testing wire shrinking assembly is arranged, rotation of a rotating rod can drive a take-up reel to rotate, rotation of the take-up reel can enable a double-end wire to shrink, and therefore the double-end wire can be tested. Therefore, the test convenience can be improved.

The utility model relates to polishing device technical field discloses a kind of polishing devices for impeller production, including installation box, the inside fixed connection of installation box has first motor, the output end fixed connection of first motor has first gear on one side, the upper tooth of first gear is connected with second gear, the both sides of second gear are fixedly connected with screw rod, two The mirror image setting of two screw rods, the outside of two screw rods is all screw thread connection has sliding table, the upper of two sliding tables is all fixedly connected with first connecting rod.The polishing device for impeller production of the utility model can fix impeller from both sides, so that impeller is subjected to more uniform force distribution during polishing process, it is convenient to fix impeller of different sizes, by the spring of setting, part of impact force can be absorbed when impeller is clamped, avoid to cause damage to impeller surface, protect the impeller.

The invention provides a combined driving device for roller bed overturning and roller rotation driving and a control method of the combined driving device, and belongs to the field of roller bed conveying equipment. The problems that in a traditional roller way system, equipment is complex in structure, large in occupied space, high in manufacturing cost and low in reliability are solved. Comprising a pneumatic clutch, a roller way overturning driving shaft and a roller rotating driving shaft. The output end of the roller rotation driving shaft penetrates through the pneumatic clutch and is in transmission connection with the roller assembly, and the input end is connected with the output end of the driving mechanism. The pneumatic clutch comprises a shaft tube, an upper fluted disc, a lower fluted disc and a driving disc, the upper fluted disc is connected with the shaft tube, the driving disc and the lower fluted disc are coaxially and fixedly connected to the outer side of the shaft tube, and the inner side of the shaft tube is connected with a roller rotation driving shaft; the roller rotation driving shaft is coaxially sleeved with the roller bed overturning driving shaft, the input end of the roller bed overturning driving shaft is connected with the upper fluted disc, the output end of the roller bed overturning driving shaft is connected with one end of the roller bed assembly, and an air inlet hole is formed in the pneumatic clutch and connected with the electromagnetic valve.

The utility model discloses a full-revolving propeller with a parallel shaft speed reducer. The full-revolving propeller comprises an upper gear box, a revolving well box and a lower gear box which are sequentially connected from top to bottom, the upper gear box is fixedly connected with the rotary well box, the lower gear box is rotatably installed on the rotary well box, the middle vertical shaft penetrates through the rotary well box, the upper end and the lower end of the middle vertical shaft extend into the upper gear box and the lower gear box respectively, and the top of the middle vertical shaft is in transmission connection with a transmission shaft installed in the upper gear box through a bevel gear. The bottom of the middle vertical shaft is in transmission connection with a paddle shaft mounted in the lower gear box through a bevel gear; the upper gear box is further provided with an upper box input shaft which is parallel to the transmission shaft and is in transmission connection with the transmission shaft through a gear. Therefore, the total speed ratio of the steering oar can be increased by adopting three-stage speed reduction, the input rotating speed of the steering oar is improved, the applicability of the steering oar is improved, an independent speed reducer is prevented from being added, and the installation space is reduced.