11812 results about "Gear drive" patented technology

The invention belongs to the technical field of wind power generation, and discloses a wind driven generator multi-drive variable pitch control method based on big data, which comprises the following steps of: constructing a multi-source data acquisition network covering an environment, a unit, a power grid and a driver, and combining preprocessing means such as denoising and standardization and feature extraction methods such as principal component analysis; high-quality input is provided for a short-term prediction model; the model can accurately pre-judge wind conditions and power requirements in the future 10-30 minutes, and is matched with a global optimization algorithm to dynamically adjust a variable pitch strategy, so that the wind driven generator can still keep stable power output under complex working conditions of gust, power grid fluctuation and the like, and particularly has outstanding performance in areas with unstable wind resources. According to mechanical coupling characteristics of the multi-drive variable pitch system, mechanical parameters such as a gear transmission gap and shafting rigidity are fully included in global optimization, and power output, mechanical fatigue and load distribution are balanced through a multi-objective optimization algorithm.

The invention relates to the technical field of glass quality inspection, in particular to a turnover device for glass processing detection, which comprises a lifting mechanism arranged on a conveying device and a turnover frame rotationally arranged in the lifting mechanism, a sucker is arranged at one end, far away from a U-shaped frame, of the turnover frame, and the turnover device further comprises a direction adjusting mechanism for rotating glass when the glass is turned over. The protection mechanism is adopted, through the synergistic effect of a linkage plate, a telescopic arm and an air cylinder, the edge of the glass is automatically clamped after the glass is adsorbed by a suction cup and lifted, adsorption failure caused by high-speed overturning or oil contamination and unevenness of the surface of the glass is effectively prevented, the operation safety is remarkably improved, and the yield is remarkably increased. The direction adjusting mechanism is adopted, through the gear transmission design of the transmission shaft, the suction cup is synchronously driven to drive the glass to rotate and adjust the direction in the overturning process, accurate adjustment of the angle of the glass is achieved, manual secondary intervention is avoided, and the automation efficiency is greatly improved.

The invention discloses a nonlinear dynamic modeling method of a helical gear transmission system considering wear. The method comprises the following specific steps: step (1), establishing a time-varying meshing stiffness calculation model of a helical gear pair in a healthy state; (2) establishing a time-varying meshing stiffness calculation model of the wear fault helical gear pair; (3) establishing a helical gear tooth surface friction model under the condition of mixed elastohydrodynamic lubrication; (4) establishing a deformation equation of the tapered roller bearing; (5) establishing a helical gear transmission system model considering wear, and solving the nonlinear vibration characteristics of the helical gear transmission system under different wear degree faults of the helical gear; the method has the beneficial effects that the nonlinear dynamic model of the helical gear transmission system considering wear is established, and technical support is provided for related technologies of fault dynamic modeling of the current helical gear transmission system.

The invention provides a machining center with a chip removal and cleaning structure, the machining center comprises a machine tool, a ball extruding mechanism, a filtering mechanism, a conveying mechanism, a cleaning mechanism and a supporting mechanism, the ball extruding mechanism is used for longitudinally cutting, transversely segmenting and extruding strip-shaped chips into balls in sequence through a longitudinal crushing assembly, a transverse crushing assembly and a ball pressing assembly, the viscosity of the chips is reduced, and blockage is prevented; cuttings and cutting fluid are separated by the filtering mechanism, so that the cutting fluid can be recycled conveniently; a screw rod of the conveying mechanism discharges the cutting balls, and the cleaning mechanism can clean the screw rod with high-pressure water after covering a chip discharging groove; a pressing assembly of the supporting mechanism presses a long rod piece through gear transmission, a follow-up assembly rotates along with a machine piece and moves along with a lathe tool, and the rod piece is prevented from deforming due to gravity. The problems that strip-shaped high-viscosity cuttings are blocked and a long rod piece is prone to deformation under the influence of gravity are effectively solved, and the chip removal efficiency and the machining precision are improved.

The invention discloses a steel structure welding guiding and positioning device, which relates to the technical field of steel structure processing, and comprises a main body supporting frame, a workpiece dynamic limiting and conveying unit and a self-centering clamping and welding module, and is matched with a guiding and feeding mechanism, a self-adaptive reducing connecting cabin and a multi-dimensional self-adaptive welding gun executing mechanism to realize integrated welding and positioning. The main body frame serves as a bearing foundation, the guide feeding mechanism drives guide rollers to stably feed through meshing transmission, the stability is improved through a surface pattern sleeve, the dynamic limiting unit forms bidirectional limiting through an adjusting screw, a cross connecting rod and a driving limiting shaft rod and is adaptive to different workpieces, and the self-centering clamping module adjusts the distance through gear transmission. A profiling clamping jaw is matched with a spring to achieve self-adaptive clamping, an anti-vibration pad protects a workpiece, a self-adaptive connecting cabin adjusts the height of a welding gun, a multi-dimensional welding gun mechanism achieves accurate alignment in the X direction and the Z direction, all parts of the device are in cooperative linkage, the welding positioning accuracy and adaptability are improved, and the welding quality of a steel structure is guaranteed.

The invention relates to a machine vision-based meshing precision measurement calibration method for a gear transmission system, and belongs to the technical field of calibration workpieces. The method comprises the following steps: extracting a gradient direction of a contact edge point in an image, analyzing a direction change trend, removing a mutation point, and constructing an edge direction paragraph sequence; positioning a tooth profile contour intersection point according to the sequence, analyzing longitudinal coordinate fluctuation, and identifying an axial dislocation structure; comparing the actual tooth crest contour with a standard path, extracting the direction and length of a difference section, and generating an adjustment direction mark group; converting the direction mark into a fine adjustment angle sequence, collecting an image and identifying a direction stable section; and finally, dividing image sub-blocks, analyzing the curvature direction of a spliced boundary, identifying curvature mutation points and establishing a calibration scheme. According to the method, the integrity of gear meshing area structure recognition and the continuity of an image sequence are effectively improved, high-sensitivity axial dislocation detection and accurate direction guiding fine adjustment are achieved, the curvature sudden change recognition and multi-dimensional error response capability is enhanced, the engineering practicability and the automation level are high, and the method is suitable for large-scale popularization and application. The method is suitable for metering calibration and quality control of a high-precision gear transmission system.

The invention discloses a hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

The invention discloses a gear coding error dynamic compensation method based on multi-sensor phase difference fusion, which belongs to the field of mechanical transmission, and comprises the following steps of: cooperatively acquiring gear phase information through a Hall sensor and a photoelectric sensor, and calculating phase difference data; constructing a rotating speed, temperature and load three-dimensional topology error space; training an error prediction model based on a seven-layer long-short-term memory network; a self-adaptive compensation strategy is executed, and when the error is larger than 0.1 degree, the driving rotating speed is increased; implementing closed-loop feedback control, and triggering model self-calibration when a difference value between an actual error and a predicted error is greater than 0.16 degree; a transfer learning mechanism is introduced, the bottom-layer feature extraction capability is reserved, and only upper-layer parameters are updated; the system state monitoring and collaborative optimization are realized, the working mode and resource allocation are dynamically adjusted, the precision and stability of the gear transmission system are remarkably improved, and the method has wide engineering application value.

The invention discloses a variable-structure water-air amphibious robot and a motion control method. The robot comprises a water-air amphibious robot body, a variable-structure wing system and an electric control system. The robot body comprises a sealed cabin, a propeller fixing assembly, a fluid shell and a variable support tail cover. The variable-structure wing system comprises a driving gear transmission assembly, a two-section folding wing and a wing folding linkage assembly; the electric control system comprises a control core element, a visual module, a power supply module, a GPS module and an underwater depthometer module which are arranged in the cabin body; the motion control method is based on a deep reinforcement learning control method, control generalization ability is enhanced through teacher and student strategies and random domain, and the motion control method has more advantages in scenes such as inaccurate modeling and large external disturbance change. The structure of the variable-structure water-air amphibious robot integrates the structures of a rotorcraft, a fixed-wing aircraft, an underwater robot and the like, the modes of the wings can be switched, and efficient movement operation of the water-air amphibious robot is achieved.

The utility model discloses a loading tray conveying and stacking device, and relates to the technical field of loading trays, the loading tray conveying and stacking device comprises a U-shaped seat, four corners of the bottom of the U-shaped seat are fixedly connected with supporting legs, a conveying belt is arranged in the U-shaped seat, and two limiting frames are arranged at the top of the U-shaped seat. The half gear is meshed with one rack, the sliding frame drives the other rack to move, the sliding frame extrudes the reset spring to conduct elastic compression, the other rack is meshed with the first gear, the first gear drives the threaded rod to rotate through the arrangement of the one-way damping bearing, and the threaded rod is in threaded connection with the connecting block. The connecting block can drive the lifting plate to move downwards, so that the tops of the carrying discs are flush with the top of the conveying belt, the carrying discs conveyed by the conveying belt can be sequentially stacked, and according to the structural design, multiple air cylinders are not needed, and the conditions that the carrying discs are fed to the conveying belt and the carrying discs are stacked can be completed.

The invention discloses a gear service life prediction method based on a lubrication-vibration coupling model and a related device, and relates to the technical field of gear service life prediction.The method comprises the steps that firstly, according to gear transmission input data, a three-dimensional mixed lubrication model containing a Reynolds equation coupling solving system is established, and meanwhile system excitation is calculated; then the oil film and the meshing rigidity are connected in parallel to form comprehensive rigidity, a bending-torsion coupling kinetic equation containing torsion and transverse freedom degrees is established, and a lubrication-vibration coupling model is constructed; finally, by means of coupling model output, the lubrication state is evaluated, the vibration characteristic is optimized, and the fatigue and abrasion life is predicted. According to the method, the three-dimensional mixed lubrication model and the system excitation calculation and coupling dynamics model are integrated, the lubrication and vibration coupling effect is considered, the limitation of independent analysis is overcome, the evaluation precision is improved, gear parameter optimization, lubrication scheme making and fault diagnosis can be guided, and the method has engineering application value.

The invention relates to the technical field of load spectrum analysis, and discloses a gear random fatigue load processing method and system based on a GCM counting method.The method comprises the steps that actual operation load data and actual operation environment data of a gear transmission system are collected, and torque is converted into instantaneous contact stress; dividing into a plurality of discrete cells based on discretization processing; carrying out clustering analysis on all discrete cells; constructing a two-dimensional gear counting matrix; the asymmetric cyclic stress is converted into equivalent symmetric cyclic stress, and the total service life of the gear is determined; comparing the equivalent symmetric cyclic stress with cyclic stress under a raindrop counting method to determine an adjustment coefficient, and determining an early warning threshold value according to the total service life of the gear and the adjustment coefficient; and comparing the total fatigue damage value with an early warning threshold value to determine an early warning grade. According to the method, joint statistics of the stress amplitude, the average stress and the environmental characteristics is achieved, and the defects of a raindrop counting method in the aspects of processing meshing discontinuous loads and lacking environmental adaptability are overcome.

The invention discloses continuous automatic stamping equipment and a stamping method, and relates to the technical field of continuous automatic stamping, the continuous automatic stamping equipment comprises a stamping table, the outer wall of the top of the stamping table is fixedly connected with a top plate, and one side of the top plate is fixedly connected with a positioning table used for fixing when a stamping part is stamped; a positioning assembly is arranged at the top of the top plate, a hydraulic rod is fixedly connected to the top of the top plate, a fixing plate is fixedly connected to the output end of the hydraulic rod, a stamping head is fixedly connected to the outer wall of the bottom of the fixing plate, and a stamping groove matched with the stamping head is formed in the top of the stamping table. The outer wall of the top of the stamping table is fixedly connected with a sliding column. According to the continuous punching device, linear motion of the hydraulic rod is converted into gear transmission and swing of the swing rod through power coupling, impact is relieved through an elastic buffering structure, precise positioning, stable clamping and equidistant displacement of a punching part are achieved through mechanical closed-loop linkage, and high efficiency and stability of continuous punching are guaranteed.

The invention relates to the technical field of valves, in particular to an anti-leakage gate valve and a sealing assembly thereof, the sealing assembly comprises a mounting ring, a rigid sealing ring and a first driving assembly, a medium channel is formed in a valve body, a gate plate is arranged in the medium channel in a sliding mode, the gate plate or closes the medium channel, and a valve rod is connected to the valve body. One end of the valve rod is located outside the valve body. The mounting ring and the first driving assembly are arranged, when a rigid sealing ring needs to be replaced, a worker pokes a rotating disc with hands, and through transmission cooperation of a transmission rod, a transmission gear, a transmission gear ring, a tray and a transmission unit, the rigid sealing ring can move in a ring groove along the axis of the ring groove; therefore, the rigid sealing rings on the outermost sides of the two annular grooves can be switched, and due to the fact that workers do not need to disassemble the valve body in the process of replacing the rigid sealing rings, the workload of the workers can be greatly reduced.

According to the powder forming hydraulic machine, a servo motor and an automatic control system are arranged, a gear disc is in transmission connection with the servo motor through a gear, the automatic control system can control the precision of vertical rotation of the gear disc, and therefore the precision of material adding and reducing of the hydraulic machine is guaranteed while automatic material adding and reducing are achieved through the hydraulic machine; the supporting rings are two opposite semicircular steel rings, the supporting rings are located in the circular grooves formed in the inner ring of the gear disc, the gear disc can move up and down to drive the supporting rings to move up and down, when the lower pressing head needs to be replaced, only the two semicircular supporting rings of the supporting rings need to be detached, then the core rod is removed, the lower pressing head can be separated from the female die plate, and the replacement time of the lower pressing head is shortened.

The utility model provides a mechanical running-in device for a circuit breaker, which relates to the technical field of mechanical running-in devices and comprises a workbench. The first motor is started, the first motor can drive the gear to rotate when working, the gear can drive the rack meshed with the gear to slide downwards in the sliding groove in the rotating process, and the rack can drive the L-shaped rod to slide downwards in the sliding groove in the downward sliding process; an L rod drives a connecting plate, a telescopic air cylinder and a poke rod to move downwards together in the downward sliding process, a first motor is turned off when the poke rod is moved to be flush with a switch of the circuit breaker, then the telescopic air cylinder is started, the telescopic air cylinder drives the poke rod to move in the working process, the poke rod pokes the switch of the circuit breaker in the moving process, and then the circuit breaker is started. The circuit breaker can be subjected to multiple times of running-in detection by repeatedly shifting the switch of the circuit breaker, the automatic running-in detection function of the circuit breaker is realized through the design, and manual operation in the detection process is effectively avoided.

The invention relates to the technical field of galvanized coiled plate machining, in particular to a galvanized coiled plate edge cutting device and an edge cutting method thereof.The galvanized coiled plate edge cutting device comprises an operation table, two rotating holes are formed in the upper side of the operation table, edge cutting and polishing assemblies are rotationally installed in the two rotating holes, and spraying assemblies are fixedly installed on the two sides of the operation table; an adjusting knob is manually rotated, the manual adjusting knob drives a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a first-stage half gear to rotate, the first-stage half gear drives a second-stage half gear to reversely rotate, the first-stage gear drives a driving block to move, and the driving block drives a driving plate to horizontally move under the limiting action of two sliding rails; the polishing support drives the polishing rollers to move, the two polishing rollers abut against each other correspondingly, after the cutter completes edge cutting, the two polishing motors are started, the output ends of the two polishing motors drive the polishing rollers to rotate at a high speed, and the cut edge area is polished to remove burrs.

The invention relates to the technical field of new energy automobile tension spring testing, and discloses a new energy automobile tension spring stability detection device, which comprises a mounting bracket arranged at the top of a supporting bottom plate, a tensile test mechanism arranged on one side of the mounting bracket, and a compression test mechanism arranged on the other side of the mounting bracket. According to the new energy automobile tension spring stability detection device, a transmission gear drives a transmission rack to perform lifting adjustment, a tension spring is conveniently and stably stretched, the tensile strength of the tension spring is further tested, and a hand and a forward and backward lead screw conveniently drive four spring clamping plates to perform telescopic movement through a nut seat; the clamping diameter of a spring clamping plate is flexibly adjusted, an electric air cylinder drives a spring top plate to press downwards, the spring top plate is connected with a spring sleeve rod through a limiting round hole, the tensioning spring is conveniently limited in the spring clamping plate to be compressed, the compression deformation degree of the tensioning spring is conveniently observed, and the compression strength of the tensioning spring is conveniently tested.

The invention relates to an electric operating device for a manual valve. The electric operating device comprises a small diesel generating set used for providing a power source, a motor, a planetary gear transmission module, an adjustable fixing disc and a control device, wherein the small diesel generating set supplies power to the motor so as to provide operating power; an adjustable base is arranged at the bottom of the motor, an output shaft of the motor is connected with a sun gear of the planetary gear transmission module, a gear ring of the planetary gear transmission module is meshed with a first planet gear and fixed to the adjustable base, and a first planet carrier of the planetary gear transmission module is connected with an adjustable fixing disc. The adjustable fixing disc is detachably installed on a manual operation door wheel of the valve and used for operating a valve switch. The control device is used for starting and stopping the small diesel generator set and the motor, the problem of energy dependence can be solved, and the first-aid repair efficiency is greatly improved. And meanwhile, the problem that a motor is burnt or gear teeth are broken due to rusting and jamming of a field valve is solved.

The utility model discloses carbide slag storage equipment for cement production, which comprises a machine table, supporting legs arranged on two sides of the bottom end of the machine table, a bearing plate fixed on the inner wall between the supporting legs, a storage tank arranged on one side of the top end of the machine table through a support, a material injection port arranged on one side of the top end of the storage tank, and a material discharge port arranged at the central position of the bottom of the storage tank. A first receiving hopper is arranged at the top end of the smashing machine body, a gear transmission mechanism is arranged on the outer wall of one side of the smashing machine body, a first motor is installed at the bottom end of the machine table on one side of the gear transmission mechanism through a support, and one end of the first motor is connected with the outer wall of the gear transmission mechanism; and two crushing knife rollers are rotationally mounted in the crushing machine body. The carbide slag storage tank not only can ensure that carbide slag is discharged and discharged in a small particle shape so as to improve the subsequent cement production efficiency, but also reduces the phenomenon that the carbide slag is accumulated at the bottom of the storage tank to cause blockage, and improves the environmental protection property when the storage equipment is used.

The invention discloses an L-shaped flexible inner gear ring structure in a planetary transmission system, and relates to the technical field of planetary gear transmission systems. The extension flexible ring is formed by extending the lower end face of the inner gear ring body in the vertical direction, the extension flexible ring has the adjustable vertical length and the adjustable radial thickness, and the overall flexibility of the gear ring structure is adjusted by changing the length and the thickness of the extension flexible ring. According to the L-shaped flexible inner gear ring structure in the planetary transmission system, due to the fact that the extension structure is designed on the lower end face of the inner gear ring body, the overall flexibility of the gear ring structure can be improved by changing the extension length and thickness, and the flexibility of the structure is greatly improved; the non-uniformity, caused by machining errors and installation errors of system components, of transmission torque of all branches of the system can be compensated, and the uniform load performance of the planetary transmission system can be improved.

The embodiment of the invention provides stop valve machining drilling equipment and a method thereof, and relates to the technical field of stop valve machining. Stop valve machining and drilling equipment comprises a drilling table and a material storage box on the side of the drilling table, movable drilling mechanisms are installed on the two sides of the upper end of the drilling table, a valve body positioning mechanism is installed on the portion, between the two movable drilling mechanisms, of the drilling table, and an auxiliary positioning assembly is installed on the other side of the drilling table. The auxiliary positioning assembly is matched with the valve body positioning mechanism and used for clamping and auxiliary fixing of the valve body, so that the two movable drilling mechanisms can synchronously conduct drilling operation on machining parts at the two ends of the valve body. The movable drilling mechanism has the adjusting functions including height adjustment and horizontal displacement, and it is ensured that a drill bit can be accurately aligned with the position needing drilling. The gear motor drives the gear transmission system to drive the drill bits on the two sides to rotate synchronously, simultaneous drilling of the two ends of the stop valve is achieved, and the machining efficiency is greatly improved.

The invention discloses a chamfering and beveling machine for a welding junction of a thick-wall pipeline, and relates to the technical field of pipeline machining equipment. Comprising a machining base, supports are symmetrically and fixedly mounted at the top of the machining base, a mounting frame is slidably mounted at the end of the machining base, a first limiting groove and a second limiting groove are formed in the surface of the mounting frame, a first lead screw is rotatably mounted on the inner wall of the first limiting groove, and a second lead screw is rotatably mounted on the inner wall of the second limiting groove; a first U-shaped frame is fixedly installed at one end of the limiting block, a driving wheel is rotatably installed on the surface of the first U-shaped frame, a second limiting block is slidably connected to the inner wall of the second limiting groove in a sleeved mode, a second U-shaped frame is fixedly installed at the end of the second limiting block, and a rolling wheel is rotatably installed on the surface of the second U-shaped frame. The second lead screw is of a symmetrical structure with the first lead screw as the center, and the second lead screw and the first lead screw are in gear transmission. A groove cutter is arranged between the two second U-shaped frames. And the groove does not need to be ground manually, the grinding process is more stable, and the forming effect of the groove of the thick-wall pipeline is improved.

The utility model relates to an automobile door lock mechanism capable of moving bidirectionally, which is characterized in that a driving motor drives a worm to rotate, the worm drives a gear to rotate, the gear drives an electric opening release lever to rotate, and an arc surface is arranged on the electric opening release lever; the gear rotates to drive the first protrusion to rotate, the first protrusion pushes the driven wheel to rotate in the notch of the driven wheel, and therefore the safety rod is driven by the swing arm to rotate, and the safety rod drives the safety pull rod to move. When the safety pull rod moves, the coupling rod is driven to rotate, so that a third convex column on the coupling rod coincides with or is staggered from the arc surface, safety is released when the third convex column coincides with the arc surface, and safety is loaded when the third convex column is staggered; in the unlocking state, the gear continuously rotates in the upper insurance rotating direction, and the upper insurance and unlocking functions are sequentially completed; when the gear completes the safety function or completes the safety function and the unlocking function at the same time, the gear rotates in the direction opposite to the rotation direction of the safety function, and the safety unlocking function is completed. Electric unlocking and electric safety locking and unlocking can be achieved at the same time, and space is saved.

The invention relates to the technical field of ore crushing equipment, in particular to an ore ball-milling device and a using method thereof.The ore ball-milling device comprises a base, a plurality of stabilizing frames are fixedly installed on the upper side of the base, a tank body is rotatably installed on the stabilizing frames, a feeding pipe is fixedly installed on the upper sides of the stabilizing frames, and a feeding pipe is rotatably installed at one end of the feeding pipe; the other end of the feeding pipe is fixedly connected with one end of the tank body, and a transmission hole is formed in one side of the feeding pipe; the output end of a ball-milling motor drives a driving gear to rotate, the driving gear drives a ball-milling gear to rotate, the ball-milling gear drives a tank body to rotate, the tank body drives a feeding pipe to rotate, a driving block drives a shifting rod to reciprocate, the shifting rod drives a discharging box to horizontally reciprocate, and under the action of a plurality of vibration springs, the discharging box is driven to rotate. And the ores in the discharging box are horizontally rolled to be matched with the screening plate for screening, so that the ores entering the tank body are uniform in size, and the grinding efficiency is improved.

The utility model discloses a meat cutting module and a cutting machine, and belongs to the technical field of household appliances. The meat cutting module comprises a meat cutting container, a meat cutting food material guide-in piece, a meat cutting structure and a gear box, the meat cutting structure is arranged in the meat cutting container and comprises a knife comb part and a chopping block part, and each comb tooth assembly comprises a comb tooth shaft rod and a plurality of comb teeth which are slidably hung on the comb tooth shaft rod; each group of knife and chopping block assembly comprises a knife and chopping block shaft lever and a plurality of blades connected to the knife and chopping block shaft lever in a sliding manner, and each comb tooth is arranged between two adjacent blades; the gear box comprises a gear transmission shaft, a gear set and an output part. According to the meat cutting module, the distance between the blades and the cutter comb can be adjusted.

The invention relates to the technical field of soil improvement, in particular to a soil improvement device for open pit coal mine reclamation, which comprises an improvement vehicle, and the tail part of the improvement vehicle is provided with a ploughing assembly; the ploughing assembly comprises a connecting rod, the end, away from the improvement vehicle, of the connecting rod is fixedly connected with a shielding plate, the top of the shielding plate is fixedly connected with a first driving part, an output shaft of the first driving part is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear; a plurality of transmission gears are rotationally connected to the bottom of the baffle plate; the bottoms of the transmission gears are fixedly connected with transmission rods, and the transmission rods are fixedly connected with a plurality of ploughing blades. Through the ploughing assembly, the storage assembly, the stirring assembly and the spraying assembly, when the ploughing assembly is used for ploughing the soil, the spraying assembly is used for spraying a modifier into the soil, so that the soil ploughing and the modifier spraying can be synchronously carried out, the soil is fully improved, and the vegetation recovery is promoted.

The invention relates to the technical field of battery production, in particular to a ternary lithium battery production quality detection method and device.The ternary lithium battery production quality detection device comprises a temperature control box, a fixing rod is fixedly connected to the inner side of the temperature control box, a detection mechanism used for battery current detection is installed on the outer side of the fixing rod, and the detection mechanism comprises a second C-shaped installation plate; the inner wall of the second C-shaped mounting plate is provided with a maintenance mechanism used for preventing spontaneous combustion of a battery, the inner wall of the second C-shaped mounting plate is fixedly connected with a first mounting plate, the front end of the first mounting plate is provided with two sets of symmetrical CCD cameras, and a servo motor drives a fixed rotating shaft and a gear transmission system; a second C-shaped mounting plate drives a direct-current clamp meter to rotate, meanwhile, a battery body rotates reversely through a synchronous belt and a gear structure, 360-degree surrounding scanning of the detection ring on the outer side of the battery is achieved, a second electric telescopic rod drives an arc-shaped cleaning plate to be attached to a pole, an oxide layer is automatically removed, and contact resistance increase caused by impurities is avoided.

The utility model discloses a valve device and a centrally installed switchgear, the valve device comprises an upper valve plate, a lower valve plate, a first installation mechanism and a second installation mechanism, and the upper valve plate and the lower valve plate are arranged between the first installation mechanism and the second installation mechanism from top to bottom along the vertical direction; each of the first mounting mechanism and the second mounting mechanism comprises an upper valve rack, a lower valve rack, a gear and a pushing mechanism; the upper valve plate is connected with the upper valve rack, the lower valve plate is connected with the lower valve rack, the gear is arranged between the upper valve rack and the lower valve rack and meshed with the upper valve rack and the lower valve rack, and the pushing mechanism is connected with the upper valve rack. The pushing mechanism can drive the upper valve rack to ascend or descend so as to drive the gear to rotate, and the gear drives the lower valve rack to move in the direction opposite to the upper valve rack. The valve device is not prone to clamping stagnation, stable, reliable, simple in structure, few in spare and accessory parts, easy to machine and assemble and capable of effectively reducing cost.

The invention discloses an automatic voltage regulating device for a power distribution area and a control method of the automatic voltage regulating device, and belongs to the technical field of power distribution network voltage treatment. The device comprises a three-phase power supply, a power supply side input circuit, a load side output circuit, a current transformer, a single-P air switch, a power supply conversion module, a three-phase independent voltage regulation module, a main path control system, an automatic bypass control system, a gear driving module, a man-machine interaction module, a display module, a monitoring module, a mode switching module, a parameter storage module and an alarm module. The system comprises a manual adjustment execution module, a counting module, a voltage detection module, a current detection module, a 4G communication module and an over-temperature protection module. A main circuit control system depends on input and output voltage data fed back by a voltage detection module, compensation voltage U can be independently calculated for differential voltage fluctuation of L1, L2 and L3 phases, intelligent adjusting switches of all phases are driven to act accurately, and finally three-phase output voltage U2 is stabilized within an allowable range.