24 results about "Double tooth" patented technology

The utility model belongs to the stirring rake block cleaning technical field, specifically disclose a kind of manheim furnace stirring rake block cleaning tool, including connecting rod one and connecting rod two, and the both ends of connecting rod one and connecting rod two are detachably connected with spade head and double-toothed peg harrow, the other end of connecting rod one and connecting rod two is mutually hinged, and the width direction of spade head and double-toothed peg harrow is tangent to the rotation direction of connecting rod one and connecting rod two, and the hinge of connecting rod one and connecting rod two is equipped with bolt one for mutual fixation. When the existing stirring rake cleaning tool is placed after use, it will lose balance and fall to the ground, and the falling tool can easily trip the workers, posing a threat to their personal safety. The utility model is fixed by bolt one Connecting rod one and connecting rod two are folded, the spade head or double-toothed peg harrow is supported on the ground, so that the tool can be independently supported, avoiding the problem of easy sliding when the traditional tool is placed alone.

The utility model relates to a euphroe with double meshing points, which comprises a support, a main shaft, a ratchet wheel, a rear pawl assembly and a rope, the main shaft is arranged on the support, the ratchet wheel is sleeved on the main shaft, the rear pawl assembly is hinged on the support and meshed with the ratchet wheel, the rope is wound on the ratchet wheel, the euphroe further comprises a handle and a front pawl assembly, the handle is sleeved on the main shaft, and the front pawl assembly is sleeved on the main shaft. The front pawl assembly comprises a front pawl, a front shaft and a tension spring, the front shaft is arranged on the handle, the front shaft is sleeved with the front pawl, the front pawl is meshed with the ratchet wheel, the meshing direction of the rear pawl assembly is consistent with that of the front pawl, and the upper end and the lower end of the tension spring are connected with the handle and the front pawl respectively. According to the technical scheme, the single-phase clutch structure of the euphroe can conduct multi-point locking on the ratchet wheel, so that loads are effectively dispersed, it is guaranteed that the structure is not prone to abrasion and deformation, the use safety is high, and the requirement for dragging heavy targets can be met.

The transmission mechanism comprises a left rocker arm, a right rocker arm, a double-tooth linkage gear set and an elastic attaching assembly, and the double-tooth linkage gear set comprises a left side gear and a right side gear which are meshed through peripheral straight teeth. The first one-way teeth of the left rocker arm are meshed with the second one-way teeth of the left side gear, the third one-way teeth of the right rocker arm are meshed with the fourth one-way teeth of the right side gear, and force is transmitted only when the left rocker arm rotates to be opened and / or the right rocker arm rotates to be opened through one-way tooth meshing; by means of the characteristic of disengagement when the left rocker arm rotates to be opened and / or the right rocker arm rotates to be closed, the technical defect that in traditional straight gear two-way transmission, one closed side must be linked with the other side is overcome. When the box door on one side is independently closed, the one-way teeth of the rocker arm on the corresponding side and the one-way teeth of the gear slip due to conflict in the rotating direction, and are disengaged under the avoiding action of the elastic attaching assembly, so that the box door on the non-operation side is kept in an open state, and the problem that the box door on one side cannot be operated to be closed in the past is solved.

The utility model discloses a double-geared roller crusher shaft structure convenient to disassemble, which comprises a treatment box body, two geared rollers are rotatably connected in the treatment box body, two driving rollers are rotatably connected to the side wall of one end of the treatment box body in a penetrating manner, one end of each driving roller extends into the treatment box body and is detachably connected with one end of the corresponding geared roller, and the other end of each driving roller is detachably connected with the other end of the corresponding geared roller. The two driving rollers are fixedly sleeved with gears, the two gears are connected in a meshed mode, the side wall of one end of the treatment box body is rotationally connected with a rotating ring, and the gears are detachably connected to the side wall of one side of the rotating ring. After the driving roller is pulled outwards, the inserting blocks are pulled out of the connecting grooves, the driving roller and the tooth roller can be detached, the detaching efficiency is improved, the maintenance efficiency is improved, meanwhile, the tooth roller can be detached independently, the whole assembly does not need to be replaced, and the maintenance cost is reduced.

The invention discloses a double-tooth sun gear machining method and an inner hole allowance determining method, and relates to the technical field of gear machining. The machining method of the double-tooth sun gear sequentially comprises the steps of blank forging, semi-finish turning, outer circle tooth A hobbing, inner hole and two end face coating of an anti-seepage agent, carburizing, quenching, shot blasting, finish turning, inner hole tooth B rough gear shaping machining, inner hole tooth B fine gear shaping machining, outer circle tooth A grinding machining, burn inspection, magnetic powder inspection, tooth part precision detection and bench work. The inner hole allowance is determined by adopting test bars with the same material and the same process, and accurate reservation is realized through quantitative calculation by detecting the radial hardness distribution rule of the test bars. The core technology is a combination method of differential seepage prevention, test bar allowance quantification and staged machining, the machinability of inner hole and end face seepage prevention is ensured before carburization, the performance is ensured through normal hardening of outer teeth, hardened layer residues and material waste are avoided through precise allowance, and the bearing performance of the inner teeth is ensured.

The utility model discloses a steel ball sliding rail buffer, and belongs to the technical field of sliding rails. The steel ball slide rail buffer comprises an outer rail, a middle rail and an inner rail which are sequentially connected in a sliding manner, and further comprises a main body, the sliding block is slidably connected to the main body; the tooth hook is fixedly connected to the inner rail; the positioning rotary sheet is fixedly connected with a first positioning pin and is rotationally connected to the sliding block; a first tooth groove and a second tooth groove are sequentially formed in the tooth hook; according to the utility model, the tension spring, the positioning rotary sheet and the sliding block are matched for use, when the drawer is closed, the drawer can automatically reset under the acting force of the tension spring, and meanwhile, through the damping rod arranged in the device, the resetting speed of the sliding block can be slowed down when the drawer is closed, so that the effect of mute closing is achieved; and meanwhile, the tooth hook with double tooth grooves is arranged, so that the positioning rotary sheet can be conveniently hooked during primary installation, and the problem that the drawer cannot be automatically reset due to the fact that the positioning rotary sheet possibly swings out of a positioning angle during primary installation is effectively solved.

The utility model discloses a kind of double-tooth cutter line directional bending templates, belong to packaging box production technical field, including substrate, the working surface of the substrate is provided with die cutter group according to the outer contour of carton development drawing, indentation cutter group is arranged in the closed shape enclosed by die cutter, and the indentation cutter group is used to press the crease of corrugated board;First tooth cutter is arranged on the substrate position for processing first crease, indentation blade and second tooth cutter are arranged on the substrate position for processing second crease.The utility model can ensure that folding action must be carried out according to predetermined order from structure, so that the problem of jam and shutdown caused by sequence reversal is completely solved.

The utility model belongs to the field of airtight zipper processing machinery, and provides a production device for a double-tooth airtight zipper, which comprises a control console for airtight zipper production and processing operation; the smearing mechanism is fixedly arranged on the control table and used for smearing and bonding the airtight zipper; the compounding mechanism is fixedly arranged on the side edge of the console and is used for compounding, processing and fixing the airtight zipper; the cooling mechanism is fixedly arranged on the side edge of the compounding mechanism and used for cooling and shaping the airtight zipper after compounding processing; after being subjected to hot melting, TPU layer raw materials are evenly and efficiently smeared on the second airtight zipper through the extrusion head and the extrusion die, then the first airtight zipper and the second airtight zipper are rapidly extruded and compounded through the extrusion wheel and the positioning wheel on the supporting frame, and finally the airtight zipper and the second airtight zipper are conducted out through the second guide wheel and are matched with the buffer frame to be cooled and solidified. Therefore, the purpose of quickly and efficiently producing and processing the double-tooth airtight zipper is achieved.

The utility model relates to the field of gear bending fatigue tests, and discloses a double-tooth loading test fixture for gear bending fatigue tests, which comprises a U-shaped supporting seat, a fixture body is arranged on the upper surface of the U-shaped supporting seat, a fixing component is arranged in the U-shaped supporting seat, a positioning component is arranged in the fixture body, and the positioning component is arranged on the upper surface of the U-shaped supporting seat. The fixing assembly comprises a supporting shaft, the outer wall of the supporting shaft is sleeved with a first gasket, the outer wall of the supporting shaft is sleeved with a gear sample, the outer wall of the supporting shaft is sleeved with a second gasket, the front end of the outer wall of the supporting shaft is provided with a threaded groove, and the outer wall of the threaded groove is in threaded connection with a locking nut. According to the gear sample clamping and positioning device, through cooperation of the fixing assemblies, the gear sample can be supported, longitudinal deviation of the gear sample can be prevented, the gear sample can be clamped and positioned in the front-back direction, deviation of the gear sample can be effectively prevented, and the stability of the gear sample in the testing process is improved.

The invention relates to the technical field of deep-sea mining equipment, in particular to a deep-sea mining vehicle track system based on discrete tooth topology. The system is composed of a trolley frame, a track base plate, driving wheels, guide wheels and the like, a caterpillar track section on the lower side of the track base plate is in closed-loop series connection with a pin bush through a track pin, and first main teeth and auxiliary teeth are arranged on the upper side of the track base plate. When the mining vehicle works on deep sea thin and soft substrates, the hydraulic motor drives the driving wheel and drives the crawler belt to move through the driving tooth groove. The first main teeth pierce sediments, the auxiliary teeth secondarily shear and compact a soil body in gaps of the main teeth, the double teeth cooperate to form a continuous shear face, soil body creep accumulation caused by traditional vertical teeth is effectively restrained, the soil damage depth is reduced, the grounding specific pressure is stabilized, and the walking stability and operation efficiency of the mining vehicle in the deep sea complex environment are improved.

A transmission shaft with an overload protection function belongs to the technical field of mechanical transmission and is characterized in that an overload protector is arranged between an input end and an output end of the transmission shaft and consists of a flange shaft, a first tooth pad, a second tooth pad, a shaft sleeve, a flange sleeve, a pressure spring, a spring pad, a nut and a flange pipe, the second tooth pad and the first tooth pad are arranged adjacently, the second tooth pad is fixed on the flange sleeve, the shaft sleeve is installed in inner holes of the first tooth pad and the second tooth pad, the shaft sleeve is sleeved on a shaft body of the flange shaft, the flange sleeve is sleeved with the pressure spring, the flange sleeve is sleeved with the spring pad, and the spring pad is located at the rear end of the pressure spring. The nut abuts against the pressure spring through the spring pad, and the flange pipe is sleeved and fixed to the periphery of the flange sleeve. Power is transmitted through the double tooth pads, and the power transmission effect is good; when the transmission shaft reaches the set torque, the double tooth pads are separated, the transmission shaft stops transmitting power, the effect of protecting the gearbox and the transmission shaft from being damaged is achieved, and the protection effect is good.

The utility model discloses a double-tooth eccentric lever handle in the technical field of door and window lever handles, which comprises a lever handle seat and a lever handle, the lever handle seat is mounted on an external window frame, the lever handle is rotatably mounted on the side wall of the lever handle seat, one end of a driving rod is mounted on the side wall of the lever handle, the other end of the driving rod is inserted into the lever handle seat, a transmission mechanism is mounted in the lever handle seat, and the other end of the driving rod is inserted into the transmission mechanism. A square steel bar is installed on the side wall of the handle seat in an inserted mode, the square steel bar and the driving rod are both connected with the transmission mechanism, a lubricating mechanism is installed in the handle seat, and the lubricating mechanism comprises an oil storage bag, a button and a spring. When the handle is rotated, lubricating oil in the oil storage bag is sprayed to the transmission mechanism through the oil outlet hole, so that the purpose of lubricating the transmission mechanism is achieved, matching between the main transmission gear and the auxiliary transmission gear in the transmission mechanism is smoother, meanwhile, abnormal sound generated when the handle is rotated can be avoided, and the use feeling is better.

The invention relates to the technical field of gear machining, in particular to a modified hole duplicate gear cold extrusion forming tool and a forming process, a blank is firstly heated to enter a preformed blank module, a double-tooth initial shape and a modified inner hole are extruded at a time, angular zero-clearance extrusion is completed through a sectional type locking module, then a female die is rotated through a demolding module, friction is reduced, and the double-tooth initial shape and the modified inner hole are formed; the workpiece is disengaged without damage; the quenched duplex gear is heated and pressed in the finishing module, deformation is corrected, meanwhile, the control module adjusts extrusion parameters in real time, the remodeling female die library can rapidly switch specifications, the measurement feedback module sends a detection result back to the control end, the next cycle is automatically corrected, and therefore high-precision, long-service-life, flexible and intelligent production is synchronously achieved. And the subsequent processing amount and cost are obviously reduced. Therefore, the problem that an existing forming tool is low in coaxiality is solved.

The invention provides a three-section saddle drawer six-linkage synchronous sliding rail which comprises a double-tooth gear installed on a middle rail, and the diameter of a large gear of the double-tooth gear is larger than that of a small gear of the double-tooth gear. The middle linkage assembly is installed on the side wall of the middle rail, and the upper sliding assembly is arranged above the middle rail and meshed with the large gear; the lower sliding assembly is arranged below the middle rail and meshed with the large gear; the upper sliding assembly is moved to drive the large gear, and the large gear drives the small gear and the lower sliding assembly, so that the middle rail, the upper sliding assembly and the lower sliding assembly are in linkage and synchronous movement. The problem of insufficient linkage can be solved, a novel six-linkage structure is achieved through the upper rail, the middle rail, the lower rail, the upper bead frame and the lower bead frame through the middle teeth, the three-linkage rule side of the industry is broken through, the problems that due to asynchronism, the bead frames are vacant and misplaced and cannot return in place are solved, 100% return can be achieved through different drawing and pulling, the stability of the structure can be improved, and the service life of the structure can be prolonged. And the use experience of the user is improved.

The utility model discloses steel cutting equipment convenient to collect sweeps, and relates to the technical field of steel processing, a positioning and clamping mechanism comprises a motor and a U-shaped frame, the motor is fixedly connected to the inner bottom wall of a machine table through a machine base, the output end of the motor is fixedly connected with a double-tooth screw, and the U-shaped frame is fixedly connected with the double-tooth screw. A U-shaped frame is fixedly connected to the inner bottom wall of the machine table through a supporting rod, a connecting sleeve is fixedly connected to the front face of the U-shaped frame, the connecting sleeve is rotationally connected with a double-tooth screw rod, a moving strip is slidably connected to the inner wall of the U-shaped frame, and a connecting base is fixedly connected to the face of the moving strip. The two clamping strips are pushed by one driving piece at the same time, so that steel is stably and uniformly clamped in the cutting process, it is ensured that the steel is kept fixed in the cutting process, the cutting precision and efficiency are improved, and the risk that equipment and the steel are possibly impacted or damaged in the cutting process due to unstable clamping is reduced.

The utility model relates to the technical field of double-geared roller crushers, in particular to a tooth profile testing device of a double-geared roller crusher. Comprising a machine frame, a box body arranged above the machine frame and a discharging hopper arranged below the box body. A first crushing roller and a second crushing roller are arranged in the box body, the two ends of the box body are rotationally connected to bearing seats through shaft end sealing pieces, and the bearing seats are slidably connected with the rack; a first gear motor and a second gear motor are arranged on the side part of the box body and respectively drive the two crushing rollers; distance adjusting assemblies symmetrically arranged on the two sides of the rack are connected with the bearing seats and drive the bearing seats to slide in the vertical direction of the rack so as to adjust the distance between the two crushing rollers; each distance adjusting assembly is correspondingly provided with a locking assembly used for fixing the distance adjusting assembly. Precise adjustment of the distance between the crushing rollers is achieved through the distance adjusting assembly, the distance stability under the dynamic working condition is maintained in combination with the locking assembly, real crushing parameter changes are effectively simulated in cooperation with the detachable crushing toothed plate and the adjustable box body structure, the problem of low tooth profile dynamic test precision is solved, and a reliable test basis is provided for optimizing the crushing tooth profile design.

The application provides a coaxial high-speed scroll air compressor and a design method, which comprises a compression cavity, a permanent magnet motor, a power transmission system and an exhaust pressure stabilizing structure. The compression cavity comprises a driving scroll disc (8) and a driven scroll disc. The permanent magnet motor (7) drives the driving scroll disc to rotate through a driving shaft (2). A plurality of eccentric small shafts (9) for driving the driven scroll disc to rotate are arranged on the driving scroll disc. The driving scroll disc and the driven scroll disc are arranged in opposition and are engaged through coaxial double-tooth variable cross-section scroll teeth at the opposite disc surfaces. When the driving scroll disc and the driven scroll disc rotate, the scroll tooth engagement area between the two discs inhales gas. The inhaled gas is compressed through the engagement process of the variable cross-section scroll teeth, so as to improve the engagement smoothness and increase the compression efficiency. The compressed gas is discharged through the exhaust pressure stabilizing structure. The application can solve the problems of engagement failure and scroll tooth interference of the scroll air compressor in the prior art, and improve the operation stability of the scroll air compressor.

The utility model relates to the technical field of waterproof coating production, and particularly discloses a waterproof coating raw material crusher, which comprises a crushing box, a plurality of groups of moving plates and a supporting column, and is provided with the plurality of groups of moving plates, an arc-shaped double-toothed plate, a first half gear, a second half gear and a driving assembly, a driving assembly can drive a rotating rod and a driving gear to rotate at the same time, a first driven gear is meshed with the driving gear to drive a first half gear to rotate, and the first half gear is meshed with an arc-shaped double-toothed plate to drive the arc-shaped double-toothed plate to slide, so that a moving plate slides in a crushing box; a second driven gear is meshed with a driving gear to drive a second half gear to rotate, and the second half gear is meshed with an arc-shaped double-toothed plate to drive the arc-shaped double-toothed plate to move in the opposite direction, so that a moving plate rotates back and forth in the crushing box, raw materials close to the inner wall in the crushing box are scraped, and the raw materials move towards the middle; crushing is convenient, and the crushing effect is improved.

This utility model belongs to the technical field of grinding devices, specifically relating to a slider grinding device, including a support frame. A worktable is fixedly connected to the top of the support frame, and a fixing plate is fixedly connected to the top of the worktable. A clamping assembly for holding the slider is provided on the top of the fixing plate, and a grinding assembly for grinding the slider is provided in the middle of the worktable. The grinding assembly includes a dovetail groove, a movable plate, a driving device, and a grinding wheel. This slider grinding device is equipped with a replacement assembly. Through the structural design of the pin and connecting groove, the grinding wheel can be quickly disassembled and installed, seamlessly switching between multiple processes such as rough grinding, fine grinding, and polishing. At the same time, the clamping assembly adopts a double-tooth meshing clamping block. The quick clamping of the slider is achieved through the cooperation of the clamping block and the electric push rod, enabling the positioning and fixing of sliders of different specifications, shortening the processing preparation time, and improving production efficiency.

The utility model provides a double-tooth synchronous belt wheel for a precision transmission system, which comprises a first belt wheel for the precision transmission system, a spacing adjusting assembly comprises limiting frames uniformly distributed on one side of the first belt wheel, one side of each limiting frame is connected with a sliding frame in a sliding manner, and a second belt wheel is fixedly connected to one side of the sliding frame. One side of the first belt wheel is rotationally connected with an adjusting threaded rod which is in threaded connection with the second belt wheel, and one end of the adjusting threaded rod is fixedly connected with a hand wheel. A distance adjusting assembly is arranged, when the distance between a first belt wheel and a second belt wheel needs to be adjusted, a hand wheel is rotated to drive an adjusting threaded rod to rotate, the second belt wheel moves along a limiting frame under rotation of the adjusting threaded rod, and the stability of the second belt wheel during movement is guaranteed through mutual cooperation of the limiting frame and a sliding frame; and when the distance between the first belt wheel and the second belt wheel is adjusted, the belt does not need to be detached, adjustment is convenient and fast, and use is convenient.

The utility model relates to the technical field of drivers, and discloses a driver capable of pushing a gear lock body, which comprises a driver main body, a separation mechanism is arranged in the driver main body, the separation mechanism comprises a motor, a bevel gear is fixedly arranged at the output end of the motor, and the bevel gear is connected with the driver main body. The side, close to the output end of the motor, of the rear end of the interior of the driver body is rotationally provided with a taper tooth straight tooth duplex tooth, the rear end of the interior of the driver body is rotationally provided with a first duplex wheel, and the side, close to the first duplex wheel, of the rear end of the interior of the driver body is rotationally provided with a second duplex tooth. A duplex output gear is rotationally arranged on the side, close to the second duplex gear, in the driver body. According to the utility model, when the fixed swinging tooth swinging sheet drives the swinging tooth to be not meshed with the duplex tooth, barrier-free manual unlocking and locking can be realized under the condition that a motor or a circuit board control system is damaged, and electromechanical separation is realized, so that the service life of the lock body is prolonged.

The utility model discloses an annular terminal assembly, and relates to the technical field of terminal structures, the annular terminal assembly comprises a terminal main body, the inner end of the terminal main body is provided with an antiskid groove, one end of the terminal main body is provided with a conjunction port, and one end of the terminal main body is provided with an inner screw hole. According to the utility model, through the arrangement of the terminal main body, the conjunction port, the inner screw hole, the screw, the outer screw hole and the spiral teeth, the terminal main body is bent into a square tube shape, one end of the terminal main body is embedded with the conjunction port, the bending points are arranged in an arc shape, and a connecting line passes through the central hole formed by bending the terminal main body. The screw can be screwed in the inner screw hole and the outer screw hole arranged on the terminal main body through the spiral teeth by using a straight screwdriver or a cross screwdriver, the tip of the spiral teeth is arc-shaped, and the arc-shaped hole edge at the upper end of the outer screw hole is combined, so that the defect of double tooth tips in threaded connection is reduced, the problem of tooth dislocation and failure when the screw is initially screwed in is avoided, and the service life of the terminal is prolonged. And the use efficiency of the assembly is improved.

The application discloses a gear pump, which comprises a driving gear, a driven gear, a front end fixed bearing and a rear end fixed bearing, the driving gear and the driven gear are engaged, both ends of the driving gear and both ends of the driven bearing are respectively supported by the front end fixed bearing and the rear end fixed bearing, at least one of the front end fixed bearing and the rear end fixed bearing is provided with a longitudinal unloading groove, and the longitudinal unloading groove is used for guiding oil in an oil trapping cavity to an axle hole when double-tooth engagement occurs. When the gear pump is used as an oil pump, oil in the oil trapping cavity is guided to the axle hole through the longitudinal unloading groove in the double-tooth engagement state, and the oil can be used as lubricating oil of the axle hole, so that the oil in the oil trapping cavity can be effectively discharged for unloading, and the oil in the axle hole is supplemented to increase lubrication, thereby achieving a double effect. Therefore, the problem that the unloading effect of trapped oil is poor when double-tooth engagement of the gear pump occurs can be effectively solved.

The invention belongs to the technical field of forging machining dies, and provides a linear cutting split type automatic core pulling duplex tooth forging die. The die comprises a lower die assembly and a duplex-tooth forge piece, the duplex-tooth forge piece comprises a main gear and an auxiliary gear, the lower die assembly comprises an annular forming lower die, an inner cavity of the forming lower die is matched with the duplex-tooth forge piece in appearance, a core block is arranged in the middle of the inner cavity, and the main gear and the auxiliary gear are arranged on the two sides of the core block respectively. The circumference of the lower forming die is divided into at least two split bodies, and the core blocks and the corresponding split bodies of the lower forming die are of an integral structure. The forming lower die and the core block are of an integral structure, the forming lower die and the core block are cut into different split bodies in the radial direction to be used, the integral structure is convenient to machine, meanwhile, the core block and the forming lower die are of an integral structure, the core block can be pulled out together when the forming lower die is pulled out, automatic core pulling is facilitated, and the core pulling efficiency is improved. The automatic core-pulling mechanism is designed in the duplex tooth forging die, the labor cost is saved, and the working efficiency is improved.