46results about How to "Protect the mechanical structure" patented technology

The invention provides a water surface floating cleaner with a floating type fishing transportation structure. The floating cleaner comprises a cleaner body, a floating cylinder installed at the bottom of the cleaner body, a wind power driving device which is arranged at the stern and comprises two fans, a fishing device which is arranged on the bow and comprises two fishing plates arranged at thetwo ends of the bow, a transporting device which is installed on the cleaner body and comprises a conveying caterpillar band and a plurality of comb-shaped partition plates arranged on the conveyingcaterpillar, and a garbage collecting bin arranged on the cleaner body and located below the output end of the transporting device, wherein the rotating speeds of the two fans can be adjusted independently; a fishing region is formed between the two fishing plates, the width of the opening of the fishing region is adjustable, the input end of the transporting device stretches into the fishing region, and the output end of the transporting device is lifted to the portion above the cleaner body through a support. The water surface floating cleaner has the advantages of being high in practicability, convenient to operate and high in automatic degree, and can better achieve the purpose of water surface floating garbage cleaning inside small and medium size lakes, small ponds and the like.

The invention provides a speed control method and device for an electric tail gate. The speed control method for the tail gate is applied to the electric tail gate in a manual operation process and includes the following steps: S1, judging whether a first control variable of the electric tail gate is larger than a manual operation threshold value or not, S2, conducting brake control on the electric tail gate if the first control variable of the electric tail gate is larger than the manual operation threshold value to ensure that the control variable of the electric tail gate is not larger than the manual operation threshold value in the manual operation process and a mechanical supporting structure is not damaged, S3, making brake measures instantly in a manually opened state when the electric tail gate is close to an extreme position, S4, reducing the speed of the electric tail gate to zero to protect the mechanical structure of the electric tail gate, S5, judging whether the control variable of the electric tail gate is larger than a manual-lock brake threshold value or not when the electric tail gate is in a manual-lock state, and S6, conducting brake control if the control variable of the electric tail gate is larger than the manual-lock brake threshold value to prevent the electric tail gate from smashing into a gate lock and damaging the mechanical structure. According to the speed control method for the electric tail gate, the speed of the electric tail gate is guaranteed to be stable and a user can use the electric tail gate safely when the user opens or closes the electric tail gate manually too fast.

The invention relates to the field of vehicle control, in particular to a method and a system for compensating gear shifting torque of a hybrid system. The method and system are applied to an engine upshift process and a motor gear shifting process, and torque stability and acceleration stability of the wheel end of a vehicle can be guaranteed by means of mutual compensation of the torque betweenthe engine and the motor.

The invention discloses an automatic fish school chasing robot fish for the fish school breeding industry and a control method thereof. A robot fish head is internally provided with drainage needle pipes, drainage steering engines, crank blocks and a camera which are connected; the drainage steering engines are connected with pistons of the drainage needle pipes through the crank blocks; and the drainage needle pipes are symmetrically arranged inside the robot fish head. The robot fish head is connected with a robot fish body through a connection bracket. The robot fish body is internally provided with a plurality of driving steering engines which are connected through concatenation fixing pieces; the driving steering engine mostly close to a robot fish tail is connected with the robot fish tail through the corresponding concatenation fixing piece; skin frames for supporting skins are fixed to the concatenation fixing pieces; and the driving steering engine close to the robot fish tail is driven by the driving steering engine close to the robot fish head to rotate in the horizontal direction. The camera, the drainage steering engines and the driving steering engines are connected with a controller. According to the automatic fish school chasing robot fish for the fish school breeding industry, the swimming velocity is increased through mechanical structure improvement and reasonable movement planning, and the output efficiency is improved.

The invention discloses a mounting device and mounting method for a detector and belongs to the technical field of monitoring and prevention of geological disasters. The mounting device comprises a push plate, wherein a through hole is formed in the middle of the push plate; the top of the push plate is connected with a connector; an electric heating tube, a connecting rod and a spring are arranged at the bottom of the push plate; the lower end of the connecting rod is connected with a lower connection terminal; the lower end of the spring is connected with an upper connection terminal; the lower connection terminal and the upper connection terminal are in contact; the electric heating tube, the lower connection terminal and the upper connection terminal are sequentially connected in series through a power line; the push plate is connected with an ice block; and the electric heating tube, the connecting rod, the lower connection terminal, the spring, the upper connection terminal and the detector all are frozen into the ice block. The invention further discloses a mounting method for the detector. According to the mounting device and the mounting method, the detector can be smoothly arranged at the bottom of a drill hole in time before a hole collapses, so that coupling of the bottom of the detector and rock mass is ensured, the signal-to-noise ratio of collected data is improved and the device is simple in structure and convenient to use.

The invention discloses a full-automatic stamping machine with an induction recognition function. The full-automatic stamping machine comprises a mounting frame, wherein Z-axis moving assemblies are fixedly mounted on the two sides of the mounting frame respectively, a Y-axis moving assembly is fixedly mounted between the movable ends of the two Z-axis moving assemblies, a stamping assembly is fixedly mounted at the movable end of the Y-axis moving assembly, a paper displacement assembly is fixedly mounted at the bottom of an inner cavity of the mounting frame, and a paper placement assembly is fixedly mounted at the movable end of the paper displacement assembly. According to the full-automatic stamping machine with the induction recognition function, joint cooperation of a color sensor and an infrared sensor of the stamping machine is facilitated, accurate positioning of a stamping point can be guaranteed, it can be guaranteed that stamping is continued without ink, and the stamping quality is effectively guaranteed.

According to the six-rod tensioning integral frame and the anti-impact unmanned aerial vehicle, the six rigid pressing rods and the twenty-four elastic cables are included, the four elastic cables are led out of the two end points of each rigid pressing rod correspondingly, the four elastic cables of each end point are connected with the four end points closest to the end point correspondingly, the six rigid pressing rods are averagely divided into three groups, and the six rigid pressing rods are divided into three groups; in the spatial position, any two sets of rigid pressing rods in the three sets of rigid pressing rods are perpendicular to each other, and the two rigid pressing rods in each set are parallel to each other. The structure is light in weight and can provide high-strength impact resistance, the influence on the cruising ability of the unmanned aerial vehicle is reduced while the mechanical structure of the unmanned aerial vehicle is protected, and the unmanned aerial vehicle can fly in the air, can orderly and controllably roll on the ground and can take off again after falling off.

A heavy load mechanical arm comprises a mechanical arm, a connection device and an execution device, wherein the mechanical arm is connected with the execution device through the connection device. The heavy load mechanical arm achieves switching of multiple functions of grabbing, relief grinding, cutting, welding and the like through the same mechanism arm, is stable when using a three cylinder mechanical arm, is applicable to the heavy load field, and meets grabbing and relief grinding demands due to the structure of the mechanical arm, thereby achieving the purposes of saving cost and working stably and safely.

The invention relates to the technical field of medical equipment for gynaecology and obstetrics, and discloses a multi-angle sampling and storing device for cervical tissue samples, which comprises a sampling disc fixing frame, a sampling disc is fixedly arranged at one end of the sampling disc fixing frame, six sliding grooves are formed in one side of the sampling disc, and three sampling grooves are formed in each of the six sliding grooves; A smearing disc is movably arranged on the side, close to the sliding groove, of the sampling disc, a first rotating rod is fixedly arranged on the side, away from the sampling disc, of the smearing disc and used for driving the smearing disc to rotate, and a supporting frame is arranged at the end, close to the smearing disc, of the first rotating rod in a sleeving mode and used for supporting the first rotating rod; A limiting frame is fixedly arranged at the end, close to the supporting frame, of the sampling disc fixing frame and used for limiting the position of the supporting frame, and a detection device is arranged at the end, away from the smearing disc, of the supporting frame and used for monitoring the environment where the sampling disc is located in real time. The clear view is guaranteed through the monitoring device, all-directional sampling is achieved through the sampling disc, and the flexibility is improved through the rotating mechanism.

The invention discloses a mounting device and method for a microseismic monitoring detector and belongs to the field of the geological disaster monitoring and prevention technology. The mounting device comprises a push disk, wherein the middle of the push disk is provided with a through hole, a top portion of the push disk is connected with a connector, an inner wall of the connector is provided with inner thread, during mounting, the connector is connected with outer thread of a lower end of a drill collar through the inner thread, a bottom portion of the push disk is connected with an ice block, the ice block is the cylindrical structure, an outer diameter of the ice block is smaller than an outer diameter of the push disk, a concrete disk is sealed in the ice block, a bottom portion ofthe concrete disk is connected with a detector and a supporting pin, and length of the supporting pin is greater than length of the detector. The invention further comprises a mounting method of the detector. The mounting device is advantaged in that the detector can be smoothly mounted to the bottom of a hole in time before the hole collapses, that the bottom portion of the detector is coupled with the rock mass is guaranteed, the signal-to-noise ratio of the acquired data is improved, and the mounting device has a simple structure and is convenient to use.

The invention discloses a brushless motor control device and method, and application. The method comprises the following steps: step 1: a command is issued to close tarpaulin through a signal indicating unit, a microprocessor receives the command and controls a driving unit to control a brushless motor to forward rotate, and the tarpaulin runs in the cover closing direction; step 2: the microprocessor always monitors the position of the tarpaulin; step 3: when the microprocessor detects a tarpaulin in-position signal, the microprocessor controls the brushless motor to be inverted for 30-50 msthrough the driving unit; and step 4: the position of the tarpaulin is processed and judged by the microprocessor; and when the tarpaulin is completely closed, the current and time data detected by ananti-cheating unit is transferred to a muck vehicle management platform by a communication and alarm output unit through the Beidou satellite network for check.

The invention discloses a motor abnormality protection circuit, and belongs to the field of emergency protection circuits. The circuit comprises a drive axle module, a drive output module, a function control module and a voltage monitoring module, the drive axle module comprises a discharge control unit which is set to receive a discharge voltage and enable a motor winding to be grounded, and the drive output module is connected with the drive axle module and is set to input the discharge voltage to the drive axle module. The function control module is connected with the drive output module and is set to limit the drive output module to input the discharge voltage to the drive axle module, and the voltage monitoring module is used for monitoring the voltage of a bus and is separately connected with the drive output module and the function control module. By adding the voltage monitoring module, the bus voltage can be detected by using circuit hardware when the control system fails, and the generated current is actively guided and discharged to the ground by using a method of performing active discharging by driving the output module, so that the abnormal rise of the bus voltage is prevented.

The invention provides a portable wolfberry picker and a picking method, belongs to the technical field of agricultural product picking, and particularly relates to the portable wolfberry picker and the picking method. The problem that the existing wolfberry picking is easy to break and the cost of manual picking is high is solved. The portable wolfberry picker comprises a handle, a transmission part and a picking part, wherein the handle, the transmission part and the picking part are connected in sequence, the handle is provided with a switch, a battery is arranged inside the handle, the battery is connected with a motor, the motor is controlled to work by the switch, one end of a crank slide block mechanism is connected with a motor output shaft of the motor, the other end of the crankslide block mechanism is arranged on a guide rail, is slid along the guide rail, and is connected with a long handle, a baffle is arranged between the transmission part and the picking part, a throughhole is formed in the baffle, a gap is formed in the upper part of a rear end shell, the terminal end of the rear end shell is provided with a material outlet, the gap is provided with a blade, and the long handle passes through the through hole and then is connected with the blade. The portable wolfberry picker is mainly used for picking of wolfberry.

The invention discloses a rotary movement blocking detecting mechanism controlled by a linear pair. The rotary movement blocking detecting mechanism comprises a groove box, a linear pair mechanism, a swing arm and a sensor. The linear pair mechanism is arranged at one end inside the groove box. The opposite side walls at the other end of the groove box are provided with through holes. The swing arm is connected to the groove box through a pendulum shaft going through the through holes. The length of each through hole is larger than the diameter of the pendulum shaft. The sensor is arranged on an outer side wall of the groove box. A sensor wafer connected to the sensor is connected to the pendulum shaft through a slide plate. According to the rotary movement blocking detecting mechanism controlled by the linear pair provided by the invention, through enlargement of the lengths of the through holes, fixed positions of the pendulum shaft in the through holes are limited by a spring; the pendulum shaft is driven by the swing arm to move in the through holes so as to trigger the sensor to give an alarm to achieve a purpose of blocking detecting; and then continuous transmission of power is interrupted through displacement of the pendulum shaft to protect a mechanical structure.

The invention discloses a vehicle tarpaulin control system and method. The vehicle tarpaulin control system comprises a control box equipped with a remote controller; the control box is electrically connected with a brushless motor; the output shaft of the brushless motor is connected with a speed reducer; the output end of the speed reducer is connected via a transmission shaft; gears are fixed at the terminal end of the transmission shaft; and the gears are connected with chains at the top cover. Motor motion in presence of open-loop and close-loop speed and close-loop moment is finished byusing a high-performance 32-bit MCU controller, adopting a high-level motion control algorithm and matching with Hall feedback element of the motor. The controller comprises multiple analogue input interfaces, multiple pulse input interfaces and multiple digital I/O interfaces, and functions of the interfaces can be defined again by special software. Due to universal RS232 and CAN bus serial communication, the vehicle tarpaulin control system and method can be widely applied to automatic vehicle operation.

The invention discloses a frameless car window control method. When a door module controller receives an authentication success signal, a car window motor is controlled to rotate to enable a car window to descend, and compared with the prior art, the time for starting window descending of the car window is advanced after car door unlocking action starts after first preset time is delayed at the first moment; the sum of the vehicle door unlocking time and the first preset time is not smaller than the window descending completion time, so that the vehicle window descending completion time can beearlier than or equal to the vehicle door unlocking completion time, it can be guaranteed that when a user pulls the vehicle door open, the vehicle window is already lowered to the safe height, the possibility that the vehicle window collides with a sealing rubber strip can be avoided, and the mechanical structure of the car window is protected, and the user experience is improved. In addition, the invention further discloses a frameless car window control device and system, and the control device and system correspond to the method and have the same effect.