137 results about "Crown gear" patented technology

The utility model discloses a kind of anti-fouling osmometer of measuring osmotic pressure, belong to osmometer technical field, including osmometer main body, the top of osmometer main body is equipped with cable, the bottom of osmometer main body is provided with filter end, the periphery of osmometer main body is provided with multiple anti-sloshing pieces in annular array arrangement;The utility model, when using the anti-fouling osmometer of measuring osmotic pressure, first, the distance between multiple supporting feet is adjusted according to the diameter size of the dropped pipeline, the positioning plate can be pinched by hand, so that the positioning plate is deformed through the second weakened groove, until the arc-shaped tooth plate is disengaged from the bottom of the crown gear ring, so that the rotating disc can be manually rotated outside the fixed cylinder, and the setting of multiple inclined grooves is matched, so that the adjusting block connected by transmission column can be synchronously moved outward or synchronously moved inward, so that the distance between multiple supporting feet can be synchronously adjusted.

A driver of an automatic guided vehicle includes a crown gear (turning gear) fixed to a bottom of a vehicle body, a support shaft penetrating a center of the crown gear and extending vertically from the vehicle body, a frame supported by the support shaft to be rotatable on a horizontal plane, a wheel axle rotatably and horizontally provided on the frame, and a wheel connected to the wheel axle. A first motor and a second motor, which are drive sources, and a first planetary gear mechanism and a second planetary gear mechanism are provided at both ends in an axial direction of the wheel axle, respectively. Each carrier of the first and second planetary gear mechanisms is connected to the wheel axle, and each ring gear of the first and second planetary gear mechanisms meshes with the crown gear.

The invention relates to the technical field of glass curtain walls, and particularly discloses a solar glass curtain wall forming treatment device and method.The solar glass curtain wall forming treatment device comprises a treatment bin and a workpiece body and further comprises a material conveying mechanism arranged on one side of the treatment bin and used for conveying the workpiece body into the treatment bin; a workpiece body is placed on a fixed box, then a movable lead screw in a material conveying table is driven to rotate, the fixed box is driven by a connecting block to move towards a treatment bin during rotation, and in the moving process, a driving gear at the bottom of the fixed box is driven by a rack to rotate, so that a connecting shaft and a crown-shaped gear in the fixed box are driven to rotate; when the crown-shaped gear rotates, two sets of transmission gears above are driven to rotate, so that two sets of clamping lead screws are driven to rotate, and when the clamping lead screws rotate, a connecting plate is driven to move, so that a fixing plate is driven to enable a workpiece body to enter a processing bin and clamp the workpiece body at the same time, and then the processing bin is utilized for processing work subsequently.

The invention belongs to the technical field of metal mines, and particularly relates to a track wear detection device and method, and the device is characterized in that the device comprises an electric drive motion measurement platform and a hybrid measurement system, the electric drive motion measurement platform comprises a frame, a brushless motor, a gear, a crown-shaped gear, a driving shaft, a driven shaft, a first driving wheel and a second driving wheel; the first driven wheel, the second driven wheel and the two lug plates are arranged on the two sides of the front end of the frame, and the hybrid measurement system comprises a first micron-order multi-line laser sensor, a second micron-order multi-line laser sensor, a displacement sensor, a first three-axis vibration sensor and a second three-axis vibration sensor. According to the invention, data such as holes, scratches, flatness, cracks and crack depth on the surface of the track can be obtained, and the closed-loop motion platform is combined to realize full-track three-dimensional data synthesis, eliminate or reduce the influence of mechanical vibration on measurement, calibrate the measurement result, identify the abnormal loss of the track, and improve the accuracy, stability and continuity of track detection.

The invention provides a shear thickening damper applied to an automobile suspension and a control method of the shear thickening damper, and relates to the technical field of suspension dampers, the shear thickening damper comprises a suspension mechanism, the suspension mechanism comprises a rigid suspension, and a steering adjuster is arranged on the rigid suspension. Through collaborative design of the suspension mechanism, the damping mechanism and the protection mechanism, the comprehensive performance of the automobile suspension system is remarkably improved, the steering adjustor and the reinforcing arc frame dynamically adapt to different steering working conditions and road surface loads, the supporting stability is ensured, the power transmission efficiency is optimized through efficient meshing transmission of the crown gear rod and the gear rotating disc, and the service life of the automobile suspension system is prolonged. The tire grounding stability is enhanced through the adjustable gap design of the connecting ball rod, the damping coefficient and the pre-tightening force of the damping mechanism are adjusted in a self-adaptive mode through multi-stage buffering in combination with real-time sensor feedback, road surface impact is effectively absorbed, vibration transmission is reduced, and the protection mechanism is made of intelligent materials and a collapsible framework structure; and during collision, energy is absorbed according to a preset mode in a deformation grading manner, so that the passive safety is greatly improved.

The utility model relates to the technical field of waste mineral oil pretreatment, and discloses waste mineral oil pretreatment equipment which comprises a treatment barrel, and the bottom end of the treatment barrel is fixedly connected with a first supporting column. By arranging the filter cartridge, when waste mineral oil is injected into the treatment barrel from the feeding port to be treated, the waste mineral oil is filtered by the filter cartridge firstly, so that large-size particles in the waste mineral oil are filtered, then the waste mineral oil is injected into the treatment barrel, and a driving gear is driven by a started motor to rotate; due to the fact that the second crown-shaped gear is meshed with the top end of the driving gear, and the first crown-shaped gear is meshed with the bottom end of the driving gear, when the driving gear rotates, the second crown-shaped gear and the first crown-shaped gear can be driven to rotate at the same time, and the rotating directions of the second crown-shaped gear and the first crown-shaped gear are opposite. The rotating directions of the stirring paddle I and the stirring paddle II in the treatment barrel are opposite, so that the waste mineral oil in the treatment barrel can be stirred in a crossed manner.

The invention belongs to the technical field of pipe fitting machining, and particularly relates to a cutting machine for plastic pipe fitting machining, which comprises a workbench, a mounting frame, a disc and a fixing seat, the mounting frame is fixedly mounted on the workbench, the disc is fixed on the mounting frame, a through hole is formed in the disc, an annular rail coaxial with the disc is fixed on the disc, and the fixing seat is fixed on the annular rail. A rotating seat is arranged on the annular rail in a sliding fit mode, a cutting mechanism used for cutting a plastic pipe fitting is arranged on the rotating seat, and a crown gear ring coaxial with the disc is further fixed to the disc; and the fixed seat is arranged on the mounting frame in a sliding manner. A plastic pipe fitting can be cut from the two sides, bending deformation caused by one-way stress of the plastic pipe fitting is avoided, the cutting efficiency of the plastic pipe fitting is effectively improved, the plastic pipe fitting is annularly cut through the two sets of cutting assemblies, the cutting assemblies only need to move by the distance larger than the thickness of the pipe wall, and then the pipe fitting can be cut off; and the cutting efficiency can be further improved.

The feeding system comprises a material conveying pipe, a material conveying assembly, an auxiliary assembly and a connecting assembly, the material conveying assembly comprises an outer box and a spiral conveying rod and is driven by a motor, the spiral conveying rod rotates to convey materials through cooperation of a first crown gear and a second crown gear, and the motor rotates reversely when blocking occurs; the auxiliary assembly is provided with an auxiliary box, the auxiliary box is connected with the conveying pipe through a connecting pipe, a conveying roller, a conveying belt and a conveying plate are arranged in the auxiliary box, and the connecting assembly drives the conveying roller in the auxiliary box to rotate through a first bevel gear, a second bevel gear, a one-way coupler and the like when the motor rotates reversely. The cleaned blocked raw materials are conveyed to the auxiliary box, and the raw materials in the auxiliary box can be heated and dried and then are introduced into the injection molding machine again through the second discharging port, so that raw material waste and secondary blocking are avoided, continuous operation of the feeding system is guaranteed, downtime is shortened, the raw material utilization rate is increased, and cost is reduced.

The primary objective of the present invention was to develop a fully functional tank cleaning head that can be inserted into a container opening of only 100 mm. The entire outer contour must therefore lie within a circle with a diameter of 100 mm. Furthermore, to enable the tank cleaning head to be automatically extended and retracted, the connecting shaft must be located at the center of this circle. This is achieved through the use of a first bevel gear with a crown gear and a spur gear mounted on the rotor shaft, with the crown gear running around the connecting shaft. A reduction gear for transmitting the rotor rotation to the housing is achieved, among other things, via a planetary gear set, thus enabling a slim and space-saving, yet highly efficient design due to low friction.

The utility model relates to the technical field of intravenous needle wing production, in particular to intravenous needle wing production equipment, which overcomes the defects of intravenous needle wing production in the prior art and comprises a box body, a first motor is fixedly connected to one side of the box body, a second rotating rod is arranged on one side of the first motor, one end of the second rotating rod is fixedly connected with a bottom plate, and the other end of the second rotating rod is fixedly connected with the bottom plate. The outer ring of the bottom plate is rotatably connected with a crown gear, the friction force between the crown gear and the bottom plate is large, one side of the bottom plate is fixedly connected with a pair of fixing plates, one sides of the pair of fixing plates are fixedly connected with a sleeve, one side in the sleeve is rotatably connected with a bevel gear, and the bevel gear is in meshed connection with the crown gear; one end of the bevel gear is fixedly connected with a screw rod, the screw rod penetrates through the sleeve and the fixing plate and is in clearance fit with the interior of the sleeve and the fixing plate, and the surface of the screw rod is in threaded connection with a pressing plate.

The utility model discloses a data confidentiality anti-demagnetization storage device for software development. The data confidentiality anti-demagnetization storage device comprises a shell, a cabinet body, a placement bin and a bin outlet structure, according to the utility model, through the arrangement of the delivery structure, when the data hard disk needs to be taken out, the protection plate slides upwards, so that the convex block drives the driving wheel to rotate, the transmission gear rotates along with the driving wheel to drive the first crown gear, and then the transmission rod drives the second crown gear to rotate, so that the duplex gear rotates; at the moment, the toothed plate can drive the placement frame to slide forwards, so that the placement frame slides out of the placement bin, meanwhile, the placement frame can drive the data hard disk to be placed in the placement bin, so that the data hard disk is taken out of the bin so as to be conveniently taken by a user, and on the contrary, when the data hard disk is placed in the placement bin and the protection plate slides downwards, the placement frame can retract into the placement bin.

The utility model relates to the technical field of rotary furnaces, and particularly discloses a secondary aluminum smelting rotary furnace which comprises a base and a rotary furnace body. A limiting assembly is arranged in the base; the limiting assembly comprises a limiting motor; the limiting motor is fixedly connected to the bottom of the base; the end, away from the base, of the limiting motor is rotationally connected with a crown-shaped gear. A partition plate is fixedly connected to the middle of the base. The side wall of the partition plate is rotationally connected with a transmission lead screw. The end, away from the partition plate, of the transmission lead screw is rotationally connected to the side wall of the base. The transmission screw rod is fixedly connected with a transmission gear; according to the rotary furnace, the limiting pulley is clamped in the first meshing belt, the phenomenon that the rotary furnace body deviates during rotation can be avoided, meanwhile, through the limiting columns arranged on the periphery, the rotary furnace body can be limited, and the rotary furnace body is prevented from toppling during rotation.

The utility model relates to the technical field of automobile lamp fixing, in particular to an automobile lamp and a fixing seat thereof, which solve the defects of automobile lamp fixing in the prior art, and comprises a lamp holder, a motor is fixedly connected to one side of the lamp holder, a rotating rod is arranged on one side of the motor, and one end of the rotating rod is fixedly connected with a first belt wheel. A supporting piece is fixedly connected to one side of the lamp holder, a second belt wheel is rotationally connected to one side of the supporting piece, a belt is arranged on the surface of the first belt wheel and the surface of the second belt wheel, a plurality of identical connecting rods are fixedly connected to one side of the first belt wheel and one side of the second belt wheel, and crown gears are fixedly connected to one sides of the connecting rods. One side of the lamp holder is fixedly connected with two pairs of fixing plates, one side of each fixing plate is fixedly connected with a fixing table, the crown gear is rotationally connected with the surface of the fixing table, and the automobile lamp penetrates through the lamp holder.

The utility model discloses an automatic tea leaf boxing device relates to tea leaf processing equipment technical field, the utility model discloses a base, the top outer wall fixed connection of base has a plurality of support legs, the utility model discloses a fixed shaft and knocking hammer are set up, because crown gear and first gear mesh, thereby through the rotation of crown gear and promote first gear rotation, and let first gear drive fixed axle make its inside rotation of connecting sleeve, through the rotation of fixed axle and drive a plurality of knocking hammer in the bottom of discharge hopper rotation, through the rotation of fixed axle and drive knocking hammer rotation and unceasingly knock the inner wall of discharge hopper makes it produce vibration, prevent the emergence because part tea leaf in the conveyance, easy because static and the shape of hooking from thus adhere to the inner wall of funnel, and can because the accumulation from thus block the discharge port, lead to tea leaf to be unable to normally down fall, even need frequent shutdown and clean up, reduce the working efficiency of device's problem.

The utility model relates to the technical field of agricultural planting, in particular to a soil loosening tool for agricultural planting, which comprises a bucket, and a rod handle is arranged at the top of the bucket. The rake is arranged at one end of the bucket, a limiting mechanism is further arranged at one end of the bucket, and the limiting mechanism is arranged to adjust the rotation angle of the rake. According to the soil loosening tool for agricultural planting, the rotation angle of the rake is limited through the limiting mechanism, and the connecting block drives the connecting rod and the first crown gear to slide through the sliding connecting block; the first crown gear and the second crown gear are separated from contact, fixing of the rake angle is relieved, the structures are stably connected and not prone to being lost, the use cost is reduced, overall operation is convenient, the working efficiency of workers is greatly improved, the rod handle is made of the telescopic connecting rod, carrying is convenient, the length can be adjusted, the workers do not need to bend down for operation, and the working efficiency is improved. And the waist injury caused by long-time stooping is avoided.

The utility model discloses an auxiliary device for fast connection of a broken carrier cable, and relates to the technical field of contact networks. A piston assembly is mounted on the outer side of the machine body; a mounting frame is mounted on the outer side of the machine body; mounting blocks are mounted at two ends of the mounting frame; a rotating shaft is rotatably inserted into each mounting block, a pressing plate is fixedly arranged on the outer side of each rotating shaft, mounting plates are mounted on the outer sides of the two mounting blocks, and worms are rotatably connected between the mounting plates and the two mounting blocks; worm gears are fixed to the outer sides of the two rotating shafts, rotating rods are rotationally inserted into the mounting plates, circular gears are fixedly arranged at the ends of the rotating rods, and crown gears are fixedly arranged on the outer sides of the worms. According to the utility model, the worm, the worm gear, the rotating shaft, the pressing plate, the crown gear, the circular gear and other structures are matched with each other, so that the pressing plate can be automatically driven to rotate, and the jointing clamp can be positioned, thereby facilitating the subsequent installation and connection of a carrier cable and the jointing clamp, and avoiding the problem that the manual operation is relatively troublesome.

The utility model relates to the technical field of water-jet looms, in particular to a water circulation system for a water-jet loom, which comprises a collecting box, an output pipe and a recovery pipe are fixedly connected to the left side and the right side of the collecting box respectively, a circulating pump is fixedly connected inside the collecting box, and the output pipe and the recovery pipe are fixedly connected with the collecting box through the circulating pump. A filter screen is fixedly connected to the top end of the inner side of the collecting box, a bearing plate is fixedly connected to the exterior of the collecting box, a fixing table is fixedly connected to the top of the bearing plate, a rotating shaft is rotatably connected to the interior of the fixing table, and two sets of driving gears are fixedly connected to the exterior of the rotating shaft; compared with an existing water circulation system for the water-jet loom, the water circulation system for the water-jet loom has the advantages that due to the design of the crown-shaped gear and the movable plate, the filter screen can be quickly cleaned, and the overall practicability is greatly improved.

The utility model relates to the technical field of cold heading machines, and provides a bolt cold heading machine convenient to fix, which comprises a rack, the top of the rack is fixedly connected with a placing seat for placing a workpiece, the outer side of the placing seat is provided with a positioning mechanism, the positioning mechanism comprises a reciprocating screw rod, and the reciprocating screw rod is rotatably connected to the bottom of the rack. The reciprocating lead screw is in threaded connection with a movable seat, a plurality of first connecting rods are hinged to the outer edge of the movable seat, movable rods are hinged to the top ends of the first connecting rods, clamping pieces are arranged at the top ends of the movable rods, a crown gear is fixedly connected to the bottom of the reciprocating lead screw, a driving mechanism is arranged at the bottom end of the rack, and a cold heading mechanism is arranged at the top of the rack. And a linkage mechanism which is driven by a driving mechanism to drive the cold heading mechanism to do up-down reciprocating translation is arranged on the outer side of the rack. In the whole machining process, workpieces can be automatically fixed and subjected to cold heading machining, manual one-by-one operation is not needed, operation is easy, and machining efficiency is greatly improved.

The utility model discloses a crowned gear coupling and a large-scale quick-change wind power gear box testing device, and belongs to the field of couplings. Comprising a first flange connecting shaft, a first drum-shaped outer gear sleeve, a second drum-shaped outer gear sleeve and a second flange connecting shaft which are sequentially arranged along the central axis, and an inner gear ring arranged outside the first drum-shaped outer gear sleeve and the second drum-shaped outer gear sleeve in a sleeving mode. The first flange connecting shaft and the first drum-shaped outer gear sleeve are fixedly connected through pawl structures and bolts which are arranged on the outer end faces of the first flange connecting shaft and the first drum-shaped outer gear sleeve and embedded with each other. The second flange connecting shaft and the second drum-shaped outer gear sleeve are fixedly connected through pawl structures and bolts which are arranged on the outer end surfaces of the second flange connecting shaft and the second drum-shaped outer gear sleeve and are embedded with each other; the first drum-shaped outer gear sleeve and the second drum-shaped outer gear sleeve are connected with the inner gear ring in a meshed mode through gears. According to the utility model, the mutually embedded pawl structures are adopted for connection, so that large torque can be borne, the requirements on the strength, the number and the centering of connecting bolts are reduced, the connection and fastening are facilitated, and the safe and reliable transmission is ensured.

The utility model discloses a lubricating device for titanium wire drawing, which relates to the technical field of titanium wire processing, and comprises an operation table, a plurality of support plates are fixedly connected to the outer wall of the top of the operation table, and motors are fixedly connected to the inner walls of the support plates. A second connecting rod is driven to rotate through rotation of a double-layer belt wheel, a multi-crown gear is driven to rotate through the second connecting rod, and due to the fact that the crown gear is meshed with a gear, in the rotation process of the crown gear, the gear is driven to rotate, and a cleaning roller is driven to rotate around the outer wall of a waste liquid collecting box; the titanium wire is clamped through the cleaning rollers on the two sides, meanwhile, the crown gear drives the rollers to rotate, and the situation that objects with the surfaces stained with dust are directly or indirectly prevented from making contact with the surfaces of the titanium wires due to the fact that the titanium wires are soaked in the objects with the surfaces stained with dust is avoided; and therefore, the lubricating effect cannot be achieved due to the poor smearing effect of the lubricating liquid.

This application discloses a street light maintenance platform and its usage method, belonging to the field of street light maintenance. It includes a lamp post body with multiple handrails for climbing. Support plates are rotatably mounted on both sides of the lamp post body, and rotating rods are fixedly connected to the support plates. Each rotating rod passes through the lamp post body, and a rotating gear is fixedly connected to the end of the rotating rod that enters the lamp post body. A first crown gear is rotatably mounted inside the lamp post body, meshing with the rotating gear. A drive assembly for driving the first crown gear is provided on the lamp post body. A connecting plate slides through the support plates, and a connecting slot is provided on the support plates for engaging with connecting plates on adjacent support plates. A fixing assembly is provided on the connecting plates for fixing adjacent support plates. This application has the effect of reducing the impact on road traffic.

The utility model relates to the technical field of modeling toys, in particular to a modeling toy capable of realizing a parabolic function, which comprises a front shell and a rear shell, a movement fixing part is fixedly mounted in the front shell and the rear shell, a swinging part is rotatably connected to the surface of the movement fixing part, a tension spring is connected between the swinging part and the movement fixing part, and the swinging part is fixedly connected with the movement fixing part. The front end of the movement fixing piece is sleeved with a first iron shaft, the two sides of the first iron shaft are fixedly connected with a cam and a first crown gear respectively, and a movement is arranged behind the movement fixing piece. Meanwhile, the function of swinging left and right at the other end is achieved, the real egg frying action is simulated, children can know details of daily life while playing the toy, the imagination of the children is enriched, and compared with a traditional modeling toy, the playing method is richer and more diversified.

The invention relates to a power transmission device (10) for a motor vehicle, comprising: a housing (12); a transmission (14) having a transmission element (16) arranged in a transmission housing part (18) of the housing (12); at least one wheelset disposed in the wheelset chamber of the housing (12); at least one clutch device arranged in a clutch chamber of the housing (12); a differential unit (26) having a crown gear (28); and an oil pan (30) arranged in the bottom region (34) of the transmission housing part (18) for collecting oil at least for lubricating and cooling the transmission element (16). A differential capsule device (24) is also provided, which is arranged on the axial end face (S1) of the differential unit (26) and is designed as a radial annular body arranged in the radial region of the crown gear (28), which extends in the circumferential direction (38) of the differential unit (26) over at most 75% of the circumference of the differential unit (26).

A wet sludge stock bin with a reciprocating pushing device comprises a supporting frame and a stock bin body, a lifting door and a driving device are arranged on one side of the stock bin body, the driving device comprises a motor, a supporting block and two lead screws, the motor is installed on one side of the bottom end of the stock bin body, and a rotating shaft is fixed to an output shaft of the motor; the other end of the rotating shaft is rotationally connected with the supporting block, two bevel gears are fixedly arranged on the rotating shaft in a sleeving mode, rotating holes are longitudinally formed in the bin walls of the two sides of the bin body in a penetrating mode, the bottom ends of the two lead screws penetrate through the two rotating holes correspondingly, crown gears meshed with the bevel gears are fixed to the bottom ends of the two lead screws, and the top ends of the lead screws penetrate out of the rotating holes; nut seats arranged on the lead screws in a sleeving mode are fixed to the two sides of the top end of the lifting door, a first hydraulic cylinder is arranged on the other side of the stock bin body, and a piston rod of the first hydraulic cylinder penetrates into the stock bin body and is provided with a push plate. The material discharging device is high in material discharging efficiency, and wet sludge can be prevented from remaining in the material bin body.

The utility model discloses an oral irrigator water pump with a transmission noise reduction function, which belongs to the technical field of oral irrigator water pumps, and comprises a lower cover, an upper cover, a motor, a pinion, an adjusting shaft mechanism, a crown gear, a connecting rod and a diaphragm, the upper cover is clamped on the lower cover, the adjusting shaft mechanism is connected with the upper cover and the lower cover, and the crown gear is connected with the connecting rod. The diaphragm is installed in the lower cover and separates the interior of the lower cover from the pumping bin, the crown gear is hinged to the adjusting shaft mechanism, the connecting rod is connected with the crown gear and the diaphragm, the crown gear drives the connecting rod to swing, the motor is installed in the lower cover, and the diaphragm is connected with the motor. The pinion is mounted at the driving end of the motor, and the pinion is meshed with the crown gear; the upper cover and the lower cover are clamped through the adjusting shaft mechanism, the distance between the upper cover and the lower cover can be strictly controlled and is not affected by external force, and transmission noise and power consumption of the water pump are effectively reduced.

The invention relates to the technical field of refrigerators, in particular to a turnover beam assembly, a refrigerator and a refrigerator control method. An overturning beam assembly comprises an overturning beam, an overturning beam hinge, a driving assembly and an anti-rotating pin, and a locking piece is arranged in the overturning beam; a first crown gear is formed on the turning beam hinge; the driving assembly comprises a motor and a driving gear, the driving gear is meshed with the first crown gear and is in transmission connection with the motor, and the motor is connected with the overturning beam in a circumferential limiting mode and used for controlling the driving gear to rotate forwards and backwards; the anti-rotating pin is rotationally mounted in the overturning beam and is meshed with the driving gear; the anti-rotating pin can abut against the locking piece for limiting at the first position and the second position correspondingly, so that the overturning beam is in the limiting state when the refrigerator door is opened and closed. According to the refrigerator, the position of the overturning beam is locked when the refrigerator door is opened and closed, the structure needed for locking the overturning beam is simplified, and the use experience feeling of a user is improved.

The utility model discloses a staged impact mill with a dust falling function, and relates to the technical field of impact mills, in particular to the staged impact mill with the dust falling function, which comprises a shell, a support frame is arranged in the shell, a protective box is arranged in the middle of the support frame, a first motor is arranged in the protective box, and a second motor is arranged in the protective box. A connecting shaft rod is arranged at one end of an output shaft of the first motor, a first through hole is formed in the protection box, a limiting bearing is arranged in the first through hole, a rotating sleeve is arranged in the limiting bearing, a sealing bearing is arranged in the rotating sleeve, and the connecting shaft rod is arranged in the sealing bearing. According to the grading type impact mill with the dust falling function, through cooperative arrangement of the first motor, the connecting shaft rod, the rotating sleeve, the transmission gear, the first crown gear, the second crown gear, the filtering lining plate, the punching disc and the crushing roller, the grading type impact mill with the dust falling function has the effects of optimizing the grinding structure and improving the grinding speed.

This application provides a lightweight cleaning device for secondary water supply tanks, relating to the field of cleaning device technology. The lightweight cleaning device includes a water tank and a spray plate inside the tank. A first rotating tube capable of lifting and lowering is connected above the spray plate. A first threaded hole is formed at the top of the first rotating tube, and a first threaded rod is fitted inside the tube. A first top bracket is fixed to the top of the threaded rod, connected to the top of the water tank. When the water tank is emptied, a motor drives a crown gear to transmit power to a first sprocket. The first sprocket drives the first rotating tube to rotate through a protrusion in its through-hole. The first rotating tube, in threaded engagement with the first threaded rod, rotates and moves downwards, causing the spray plate at its bottom to descend and rotate synchronously. Simultaneously, a solution flows in from the inlet pipe and is ejected from the first spray hole of the spray plate, achieving efficient cleaning of the inside of the water tank.

The utility model relates to the technical field of transformer maintenance, in particular to a multi-angle adjustable grounding wire clamp, which comprises a fixed supporting part, a clamping part arranged at one end of the fixed supporting part, a driving part which is arranged at the other end of the fixed supporting part and is in transmission connection with the clamping part, and an adjusting part which is arranged on the fixed supporting part and is matched with the clamping part for use, the adjusting part comprises a crown-shaped gear rotationally connected to the fixed supporting part, a chain wheel rotationally connected to the fixed supporting part and a gear arranged on the chain wheel; the clamping part is rotationally connected with the upper end of the fixed supporting part, a driven chain wheel is arranged at the rotary joint, the crown-shaped gear is meshed with the gear, and the chain wheel is in transmission connection with the driven chain wheel through a chain; the device achieves the purpose of angle adjustment through cooperative use of the components, so as to adapt to different installation positions, angles and surrounding space layout of equipment, thereby reducing the safety risk of workers and improving the working efficiency.

In a gear mechanism having a gear stage, the input shaft is oriented coaxially to the output shaft. The first planet carrier is connected to the input shaft for conjoint rotation, e.g., is integrally formed therewith. The first gear wheel is connected to the second gear wheel for conjoint rotation, the first planet gear is connected to the second planet gear for conjoint rotation, and the first crown-toothed gear is connected to the housing for conjoint rotation. The toothing of the first planet gear meshes with the toothing of the first crown-toothed gear, and the toothing of the second planet gear meshes with a crown toothing formed on the second planet carrier. A bearing for rotatably mounting the first and second gear wheel is received in the second planet carrier, the toothing of the first gear wheel meshes with the toothing of the second crown-toothed gear, the second crown-toothed gear is connected to the housing for conjoint rotation, and the toothing of the second gear wheel meshes with a crown toothing of the output shaft.