77results about How to "Easy to integrate control" patented technology

The invention discloses a waste plastic recycling system. The waste plastic recycling system comprises a feeding unit, a rough washing unit, a fine washing unit, a dehydrating unit, a crushing unit, and a drying unit, wherein the dehydrating unit comprises a dehydrating barrel, a dehydrating shaft and a plurality of dehydrating wheels; the dehydrating shaft is rotationally arranged on the dehydrating barrel, and the dehydrating wheels are fixedly arranged on the dehydrating shaft; the crushing unit comprises a crushing barrel, a crushing rotating shaft, a plurality of stationary knives and a plurality of rotating knives; the drying unit comprises a flow control device and a drying device, wherein the drying device comprises a drying oven and a fan. The waste plastic recycling system is high in automation degree, low in manufacture cost and simple in structure and can be maintained conveniently, the production takts of all units are consistent, energy is saved, the production yield in unit time is high, the human invention is reduced and the labor investment is saved.

The invention belongs to the field of electric control and particularly relates to a device and method for controlling a stepping motor. The device for controlling the stepping motor is composed of a computer, a single-chip microcomputer, a control signal optoelectronic isolation circuit, a linear non-stabilized-voltage supply, an output current control circuit, a driving circuit, a winding current acquisition circuit, a reference voltage comparison circuit and a feedback signal optoelectronic isolation circuit, wherein the computer is in communication with the single-chip microcomputer so that remote setting of parameters of the stepping motor can be achieved, the single-chip microcomputer controls the high-precision rotation, achieved through the stepping motor driving circuit, of the stepping motor according to the set parameters, current signals fed back by the winding current acquisition circuit and the number of actual walking pulses are acquired at the same time, and thus high-precision control over the high-power stepping motor is achieved.

The invention relates to an optical racemization and slit scanning integrated device based on a solar telescope grating spectrometer. The optical racemization and slit scanning integrated device comprises a solar telescope (1), a K1 plane mirror (2), a K2 plane mirror (3), a K3 plane mirror (4), an electrical control translation stage (5), an electrical control rotating platform (6), a grating spectrometer slit (7), a grating spectrometer (8), a photoelectric detector (9), a controller (10) and a data processing and control computer (11). At present, most of solar telescopes use horizontal type rack structures, image field rotation problems are easily caused in the object tracking process by means of the structures, so that on one hand, a special image field racemization device is required to be equipped, and on the other hand, a special slit scanning device is required to be equipped to obtain three-dimensional information of a solar activity region. The optical racemization and slit scanning integrated device is simple in structure, small in occupied space, few in optical mirror planes and high in innovativeness and practicality.

The invention discloses a dynamic imaging device of LED lampstandards. A plurality of LED lamps are arranged in order so as to form one LED lampstandard, and an array is formed by the plurality of LED lampstandards so as to play the role of a display device; and a main control module of the display device is controlled by a PC (personal computer) through a network, wherein the main control modulehas the function of storing information, the information stored in the main control module can be replaced by the PC through the network, and the main control module can achieve the function of asynchronous display with the PC; a main controller is used for inputting signals into a scanning control module so as to scan images, a display driving module is used for driving the LED lampstandards to display the information; the main control module is connected with a synchronous control module used for generating a synchronous clock so that synchronous scanning can be maintained between the main control module and the LED lampstandard display device; and the synchronous scanning is maintained among a plurality of LED lampstandard arrays so as to achieve the purpose of completely displaying pictures seen by viewers at any time. The invention can be directly applied to the display of corresponding cartoons in metros and railway tunnels, as well as to roller advertisement display devices, various dynamic display devices, and various toys and ornaments with dynamic display functions.

The invention discloses an agricultural vehicle independent navigation steering control method based on a disturbance observer, and belongs to the field of high-precision tracking control of agricultural vehicle independent navigation control. The method adopts a closed loop control mode, the practical lateral deviation of a vehicle is roughly calculated by an open loop, correction is carried out by a closed loop, an accumulative error is eliminated until accurate tracking is achieved, and a whole control cycle is achieved. In view of the diversification of an agricultural vehicle motion model, the adoptive control means are also changeable, a pole assignment mode is utilized to achieve an accuracy control over a three order linear and nonlinear model. According to the agricultural vehicle independent navigation steering control method based on the disturbance observer, the control effect, under the setting of the corresponding control means, of the agricultural vehicle motion control method can reach the fact that the overshoot is less than 5% and the adjustment time is less than 3 seconds, and tracking without a steady-state error can be finally achieved.

The invention relates to the technical field of vehicle brake, in particular to a double-motor brake actuation mechanism of a vehicle decoupling distribution brake system. The mechanism comprises a brake disc, a brake actuation part and a regeneration motor part; the brake actuation part includes a stepper motor and a brake clamp body; two ends of the brake clamp body are respectively positioned on two sides of the brake disc; the brake clamp body and the stepper motor are both slidingly connected with a shell of the brake actuation part; a friction block is arranged at one end of the brake clamp body; the other end of the brake clamp body is connected with the stepper motor; the stepper motor is in transmission connection with a first lead screw; a first nut is arranged on the first lead screw, and is connected with the friction block; the friction block on the brake clamp body and a friction block on a first nut are positioned on two sides of the brake disc; the regeneration motor part includes an electromagnetic clutch, a regeneration motor, a battery set and an electronic control unit; the battery set is electrically connected with the stepper motor; and the electronic control unit controls connection and disconnection of current between the battery set and the stepper motor. The mechanism converts brake energy to electric energy as brake power, and can share brake loads.

The invention provides a scram control circuit, and a scram way comprises a remote control scram and a close control scram. The scram control circuit comprises a power supply; a receiver, which is used to receive remote control scram signals transmitted by a transmitter of a remote controller; a close control scram trigger element, which is used for receiving close control scram trigger signals; a selective switch, which is used to select the scram ways after receiving operation instructions; a changing switch, which is used to control the power supply state of the power supply used as the receiver according to the scram way selected by the selective switch, and is used to switch the transmission lines of the remote control scram signals and the close control scram trigger signals according to the scram way; and a controller, which is used for the scram control according to the remote control scram signals or the close-control scram trigger signals. The scram control circuit is advantageous in that the occupied input ends of the controller are less, the later function extension can be facilitated, the electric energy waste of the receiver of the remote controller can be reduced, and the scram signals can be easily controlled in an integrated manner. The invention also provides a pumper having the control circuit, and a scram control method.

The invention relates to the technical field of car braking, in particular to a brake actuating mechanism integrating car motor braking and electromagnetic braking. The brake actuating mechanism comprises an electromagnetic clutch, a regeneration motor, an electromagnetic brake, a planetary gear mechanism, a cooling fan and the like. The electromagnetic brake and the regeneration motor are integrated into a whole. When a car is braked, an electronic control unit preferentially controls connection of the electromagnetic brake, car wheels drives a rotor of the regeneration motor to rotate through the planetary gear mechanism and the electromagnetic clutch, car braking energy is converted into electric energy, and braking torque is provided. When the braking torque provided by the regeneration motor is insufficient, the electronic control unit preferentially controls the electromagnetic brake to work. A traditional friction braking device is omitted, the brake actuating mechanism has the advantages of being compact in structure, convenient to arrange, good in dynamic characteristic, easy to control integrally and the like, the braking energy recovered by the regeneration motor can directly drives the electromagnetic brake to work, the generated braking torque can share car braking loads, and thus energy consumption caused by work of the electromagnetic brake is reduced.

The invention discloses a device and a method for testing a mechanical property of a water filter pipe. The device comprises an automatic oil supply system pressure regulation control device and an expulsion device, wherein an oil supply system comprises an oil pump, an oil tank, reversing valves and the like; the extrusion device comprises a cylinder, an extrusion mold base, an extrusion mold, hydraulic cylinders, a tightening belt and the like; the oil supply can control hydraulic pipelines respectively, and can perform pressure maintaining on the hydraulic pipelines during working and perform fast unloading after working; and a replaceable conical extrusion mold base is mounted on the extrusion mold base of the extrusion device, so that the test for water filter pipes of different models is facilitated, simultaneously, a buckling device has high and low retraction and expansion speeds during working, and the work efficiency can be improved. The device and the method for testing the mechanical property of the water filter pipe has the advantages as follows: an integrated test for a confining pressure property, axial bending resistance and redial bending resistance of the water filter pipe can be realized, the applicable range is wide, the retraction and expansion pressure is large, the service life is long and the like.

The invention discloses an azimuthal telescope pupil plane and image plane mechanical racemic integration device comprising an azimuthal telescope, a rotating table, an electrical control drive, a relay optical path, a deformable mirror DM, a camera, a camera rotating table, a controller and a data processing and controlling computer. Owing to the mechanical advantages of an azimuthal frame, a majority of large-diameter telescopes adopt the structures currently in the worldwide. However, in the target tracking process, the pupil plane and image plane rotate accordingly, the atmospheric wavefront aberration cannot be measured and corrected accurately through adaptive optics due to pupil plane rotation, and continuous and stable observation results cannot be acquired by the telescope due to image plane rotation. According to the device, the pupil plane rotation is eliminated through the rotation table, the image plane rotation is eliminated through the rotating camera, additional instrument polarization is omitted, optical path integrated reflectivity reducing is avoided, and the practicality and creativity are high.

The invention provides a method of passenger detection using interconnecting sensors and a passenger occupancy detection system thereof. The passenger occupancy detection system is provided that implements a sensor-connected passenger detection method. The system includes a sensor controller that reads a sensor value using an ESC as an acceleration sensor when a vehicle is stopped and distinguishes an in-vehicle passenger with a vehicle acceleration change by the sensor value. The operations of a rear-seat passenger notification system 200 and a passenger-seat occupant classification advancedairbag system 300 are connected by the distinguishing the in-vehicle passenger, enhancing the sensor reliability by providing Fail-Safe together with increasing the accuracy of the passenger detectionutilizing longitudinal / lateral accelerations / yaw rate information.

The invention discloses an air source heat pump device for simultaneously producing water and air. The device comprises a fresh air refrigerant circulating loop and a radiating refrigerant circulating loop, wherein the fresh air refrigerant circulating loop comprises a first compressor, a first four-way valve, a first outdoor heat exchanger, a first refrigerant flow direction control device, a first electromagnetic valve, a second electromagnetic valve, a fresh air heat exchanger and a third electromagnetic valve which are connected in turn through a pipeline; and the radiating refrigerant circulating loop comprises a second compressor, a second four-way valve, a second outdoor heat exchanger, a second refrigerant flow rate control device, a second refrigerant flow rate adjuster, a ninth electromagnetic valve, a radiating coolant heat exchanger, a first refrigerant flow rate adjuster and a sixth electromagnetic valve which are connected in turn through a pipeline. Through the device, the water of certain temperature and the air of certain temperature can be simultaneously produced, and the flow rates of the refrigerant in the two loops can be timely adjusted according to the variation of air load and humidity load, so that adjustable load is realized, and the device is particularly suitable for a radiating tail-end heat ventilation and air conditioning system.

The invention discloses a four-wheel-drive power assembly of a hybrid electric vehicle. The four-wheel-drive power assembly is compact in structure. A first permanent magnet synchronous motor output shaft is fixedly connected with an engine output shaft and an input shaft. The input shaft is assembled on a left input shaft bearing and a right input shaft bearing. A first permanent magnet synchronous motor is connected to the left end of the first permanent magnet synchronous motor output shaft, the input shaft is sleeved with a needle bearing in an idle mode, the needle bearing is sleeved with an input shaft gear in an idle mode, and a clutch gear sleeve and a clutch gear shell are fixedly connected with the input shaft and the input shaft gear respectively. An intermediate shaft is assembled on a left intermediate shaft bearing and a right intermediate shaft bearing. A large intermediate shaft gear and a small intermediate shaft gear are assembled on the intermediate shaft. A front axle transmission shaft is connected with front wheels. A first differential is fixed to the middle of the front axle transmission shaft. A first main reduction gear is fixed to the first differential. A transmission shaft is assembled on an upper transmission shaft bearing and a lower transmission shaft bearing. A first driven bevel gear and a second driven bevel gear are connected with the transmission shaft. A second permanent magnet synchronous motor output shaft is assembled on bearings of a second permanent magnet synchronous motor output shaft.

The invention provides a method and a device for automatic loading of roasting alloys in silicon steel production. The device comprises a delivery device, a roasting device, a gathering device and an electric control system, wherein the electric control system is connected with the delivery device, the roasting device and the gathering device respectively, the roasting device comprises a plurality of parallel alloy roasting devices which are arranged in a row, a pair of guide rails are arranged in a parallel mode at upper and lower positions along the arrangement direction of alloy roasting devices, an upper weighing trolley which can slide is installed on the upper guide rail and can move to a position of a charging port, the lower guide rail extends out of the alloy roasting device area, a lower weighing trolley which can slide is installed on the lower guide rail, the gathering device comprises an alloy gathering hopper which is arranged below the extension position of the lower guide rail. The method adopts the device to conduct automatic loading of roasting alloys. By the aid of the device and the method, a large amount of iron alloys to be roasted are supplied to a revolving furnace quantitatively at the fixed time, the automation degree is high, and a large amount of alloys can be added in one time.

The invention discloses an automobile intelligent active air-inlet grille. The opening degree of grille blades can be steplessly controlled through a drive motor, the grille blades are kept stable, the working state of an air multiplication device is mainly controlled through the size of current, and in addition, a piezoelectric device is designed to be used for recycling part of aerodynamic energy. The whole automobile intelligent active air-inlet grille breaks the limits of a traditional fixed automobile grille and can be self-adjusted actively and intelligently through various sensing signals according to the actual automobile condition, and manual passive intervention is not needed. The automobile intelligent active air-inlet grille has the advantages of being compact in structure, convenient to arrange, capable of achieving integrated control easily and the like, the automobile intelligent active air-inlet grille can cooperate with other automobile systems according to requirements, the corresponding device is mainly controlled through the size of current, and the requirement for development in the advanced electrician and electronic technology direction in the future societyis further met.

The invention relates to the technical field of vehicle brake, in particular to an automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism. The automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism comprises a brake drive part and a hydraulic brake execution part. The brake drive part comprises a brake plate, an oil pump clutch, a motor clutch, a battery pack and an electronic control unit. A driving part of the oil pump clutch and a driving part of the motor clutch are both in transmission connection with the brake plate. A driven part of the oil pump clutch is in transmission connection with a rotor of an oil pump. A driven part of the motor clutch is in transmission connection with a rotor of a motor. The motor is electrically connected with the battery pack. An electronic control element controls the motor to charge the battery pack or controls the battery pack to supply power to the motor. The electronic control element controls the motor clutch and the oil pump clutch to be connected or disconnected. The hydraulic brake execution part is matched with the brake plate, and the oil pump serves as a power source of the hydraulic brake execution part. It is unnecessary to arrange hydraulic pipelines for a whole vehicle, and the dynamic response is rapid. Emergency brake of the vehicle is achieved under driving of brake energy of the vehicle.

The invention relates to a TO automatic focal length deflection angle testing device, comprising a panel, a feeding component, a sucking component, a plugging component, a conveying component, a testing component, a receiving component and a storage component; the feeding component comprises a horizontal feeding linear module and a feeding box; the sucking component comprises a horizontal sucking linear module, a vertical sucking linear module and a sucking nozzle; the plugging component comprises a finger cylinder and two E-type forks arranged at 90 degrees; the conveying component comprises a horizontal conveying linear module, a vertical slide platform cylinder and a fixing block; the testing component comprises a positioning block, a light beam quality analyzer, a transfer mechanism and an electric motor; the receiving component comprises a horizontal receiving linear module, a vertical receiving linear module and a receiving suction nozzle; the storage component comprises a horizontal storage linear module and a storage box. The testing device realizes the automatic pickup, delivering, separate inserting, testing of focal length deflection angle, pulling out, and disk placement; the testing precision is high, and efficiency is high; different models of products can be tested.

The invention provides an integrated controlled convertible car for railroads and roads. The integrated controlled convertible car comprises a car frame, wheels 2, guide wheels 3, an aerial work platform 6, an electronic control unit 4and a hydraulic unit 5, wherein the wheels are arranged on the car frame; the guide wheels are connected to the car frame 1 by a lifting frame; a lifting oil cylinder 31 is arranged between the lifting frame and the car frame 1; the aerial work platform 6 comprises a rotary platform 61, a base 62, a telescopic arm 63, a folding arm 64, a drive oil cylinder 65 and a working bucket 66; the hydraulic system comprises an oil tank 51, a variable plunger pump 52 and two load-sensitive multiway valves 53; load-induction oil paths of the two load-sensitive multiway valve are connected with a load sensitive valve of a variable plunger pump by a shuttle valve; the load-sensitive multiway valves and the variable plunger pump are respectively connected with the electronic control unit by a controller area network (CAN) bus; a lifting oil cylinder is connected with one of the load-sensitive multiway valves; and the drive oil cylinder is connected with another load-sensitive multiway valve, so that the integrated control of the convertible car for railroads and roads is realized, and the reliability of the convertible car is improved.

The invention provides a bus communication based infrared remote control device which comprises a main circuit module, wherein the main circuit module is grafted on a KNX bus and comprises a central processing unit, a power supply power-taking filtration module, a processing unit power supply module, a message receiving module, a message transmitting module, a mode switching circuit, a mode state indication circuit, an infrared transmission circuit module, an infrared receiving circuit module, and a debugging interface. The infrared remote control technique is grafted on the KNX bus, so that the excellent centralized management capability of an EIB control system is fully utilized. The bus communication based infrared remote control device is applied to an EIB environment, if an infrared remote control electronic unit is used, the equipment can be directly controlled through the bus, meanwhile, the device also has the function of learning the infrared coding, and analyzes and stores a key code by receiving an infrared pulse signal. The bus communication based infrared remote control device has the characteristics of high reliability, high degree of freedom, high performance cost ratio, good convenience for integrated control, and the like.

The invention provides a distributed X-ray source and a control force method thereof. Distributed X-ray sources include distributed X-ray tubes and cathode controllers. A distributed X-ray tube includes a housing; A cathode group comprising a plurality of cathodes; An anode comprising a plurality of targets aligned one by one with a plurality of cathodes such that the plurality of targets receiveelectron beams from the plurality of cathodes to generate a plurality of X-rays; And a cathode lead terminal assembly including a plurality of cathode lead terminal assemblies, each cathode lead terminal assembly including a plurality of terminals electrically connected to the cathode, respectively. The cathode controller is electrically connected to a cathode lead terminal assembly through the cathode cable and configured to apply an operating voltage to the cathode through the cathode cable, respectively, to generate the electron beam. The cathode controller is electrically connected to thecathode lead terminal assembly through the cathode cable and configured to apply an operating voltage to the cathode through the cathode cable, respectively, to generate the electron beam.

The invention discloses an electric foot bath massage chair. The electric foot bath massage chair comprises a massage chair, a back massager, a far infrared physiotherapy back cushion, a far infraredphysiotherapy seat cushion, a foot bath basin and a pre-washing basin. According to the invention, the massage chair, the foot bath basin and the pre-washing basin are combined; the foot bath basin and the pre-washing basin are accommodated at the bottom of the massage chair, so that space is saved; the foot bath basin is driven by a motor, and the pre-washing basin extends out and retracts, so that circuit integrated control is facilitated; meanwhile, the back massager is driven by a belt to move along a backrest, so that message on a back of a user can be facilitated; the back massager can be accommodated at the top of the massage chair, so that when the back massager is not used, use of the backrest by the user is not hindered; and through an air duct assembly with an ozone cleaning function, an ozone generation assembly works, the bottom of the bottom of the massage chair is sterilized and disinfected through ozone, and a hot gas flow generated when a heating pipe arranged in the air duct assembly works is used to dry feet of the user.

The invention discloses a multi-type power supply intelligent control system used for electric precipitators. The multi-type power supply intelligent control system comprises a main controller and atleast two sub-controllers, wherein all the sub-controllers communicate with the main controller and are controlled by the main controller, each sub-controller controls a single electric precipitator power supply; the main controller comprises a main CPU, and the main CPU comprises a communication interface which communicates with a communication interface of each sub-controller; the main CPU further comprises a parallel data and address line, which is connected with a touch screen; the main CPU further comprises an external storage interface connected with a database interface; the main CPU further comprises a main IO interface, which is used for sending an alarm signal and a trip signal and receiving remove and short-range switch signals; and the main CPU further comprises a main AD AD interface, which is used for receiving a precipitator working condition feedback signal. The multi-type power supply intelligent control system has the advantages that the multi-type power supply intelligent control system is high in adaptability, reserves sufficient interfaces, can be applied to the electrostatic precipitators, and can be applied to other types of dust collectors such as an electric bag dust collector.

The invention discloses a hydraulic station for a large-tonnage press machine. The hydraulic station comprises an oil tank, a liquid level and temperature meter, a confluence pipe, a filter, a power system, a hydraulic block set, a hydraulic valve set, an energy accumulator system and an oil pipe system, the liquid level and temperature meter is arranged on the left wall of the oil tank, the filter is arranged on the front wall of the oil tank, the energy accumulator system is arranged on the right wall of the oil tank, the power system, the hydraulic block set and the oil pipe system are distributed and arranged above the oil tank, a hydraulic pump is arranged above a motor and communicates with the oil tank and the hydraulic block set through the oil pipe system, the hydraulic valve setis arranged on the periphery of the hydraulic block set, the input end of the hydraulic block set communicates with the hydraulic pump through the oil pipe system, the output end of the hydraulic block set communicates with the confluence pipe, the energy accumulator system and the oil tank through the oil pipe system, input and output of the energy accumulator system share one end, and the energyaccumulator system communicates with the hydraulic block set and the confluence pipe through the oil pipe system. The hydraulic station has the main characteristics that the bearing capacity is large, and the hydraulic station is suitable for the press machine with the relatively large tonnage requirement; and in addition, the hydraulic station further has the advantages that the pressure loss ismall, integrated control is facilitated, the work is stable, safe and reliable and the like.

The invention discloses a controllable ground-penetrating type movable building lifting device, and relates to the technical field of building equipment. The lifting device comprises a bottom plate, the top of the bottom plate is fixedly connected with a machine box, hydraulic telescopic cylinders are fixedly connected to the two sides of the top of the inner wall of the machine box, piston discsare slidably connected with the interiors of the hydraulic telescopic cylinders, the bottoms of the piston discs are fixedly connected with hydraulic rods, the bottom ends of the hydraulic rods penetrate through the hydraulic telescopic cylinders and extend to the bottoms of the hydraulic telescopic cylinders. The movable building lifting device well solves the problem that an existing lifting device is not convenient to move by constructors, in the case of the movable lifting device, the constructors do not need to spend a lot of time to disassemble and reassemble the lifting device and fix the lifting device to another construction position, so that the working burden of the constructors is relieved, the working efficiency of the constructors is improved, then the whole lifting device can be quickly and conveniently moved, the purpose of reducing the construction cost of a building is achieved, and then the building construction work of the constructors is greatly facilitated.

The invention provides a mechatronic food sorting system. The mechatronic food sorting system comprises a sorting rack, supporting machine legs, a control panel, a protection plate, an emergency baffle, wing-shaped screws, a gear motor, a driving roller, a roller shaft, a driven roller, a hollowed-out conveying belt and a flushing type filtering, temporary storing, collecting and flow guiding boxstructure; the supporting machine legs are longitudinally connected to four corners of the bottom of the sorting rack through bolts; the control panel is connected to the upper left side between the supporting machine legs arranged at the left side through longitudinal screws; the front side and the rear side of the upper portion of the sorting rack are respectively connected with protection plates through transverse screws; and an emergency baffle is longitudinally arranged at the right side between the protection plates and is fastened and connected through the wing-shaped screws. Through arrangement of a sorting pipe, a supporting base, a guide-out barrel, a connecting base, a buffer plate, a buffer spring and an anti-damage buffer pad, buffer sorting of washed, dried and labeled food is facilitated.

The invention provides a projection method contour detection-based laser finishing device for a formed grinding wheel. The projection method contour detection-based laser finishing device for the formed grinding wheel specifically comprises a computer (1), a backlight source (2), a three-dimensional mobile station (3), a fiber laser (4), a laser ablation head (5), the formed grinding wheel (6), agrinding machine (7), a telecentric lens (8), a CCD camera (9) and an image collecting card (10). By combining visual inspection and laser finishing, the high-efficiency, high-precision and automaticformed grinding wheel finishing process can be achieved, running is stable, the later device maintaining and operation expenditure is very low, a great number of labor costs can be saved, considerablebenefits are brought to an enterprise, and the production cost is greatly saved. Meanwhile, according to a method, great flexibility is achieved, rapid dismounting and mounting can be achieved, the environment requirement of a detected object is extremely low, operation is easy and convenient, different types of measuring can be adapted to, and flexibility is extremely high.

The invention discloses a paver advancing, steering and supporting device. The paver advancing, steering and supporting device comprises an advancing device, a fixed support, a lifting column, a supporting body, a thrust oil cylinder, a rotation drive device and an oil way rotation connector. The fixed support is fixedly arranged on the upper portion of the advancing device. The oil way rotation connector is fixedly arranged on the upper portion of the fixed support. The rotation drive device is fixedly arranged at the upper end of the oil way rotation connector. The lifting column is vertically and fixedly arranged at the upper end of the rotation drive device. The lifting column and the supporting body are hollow cylinders which are arranged in an inside-outside sleeved mode and are of the same shape. The lifting column is arranged in an inner cavity of the supporting body. The top of the inner cavity of the supporting body is fixedly connected with the top of a cylinder body of the thrust oil cylinder. The thrust oil cylinder is arranged in an inner cavity of the lifting column. The top of a piston rod of the thrust oil cylinder penetrates through the inner cavity of the lifting column and the rotation drive device to be fixed into a piston rod fixing base on the top of the oil way rotation connector. A connection groove is formed in the top of the piston rod. An annular piston rod fixing groove corresponding to the connection groove is formed in the piston rod fixing base. Piston rod positioning steel balls are arranged in the piston rod fixing groove.

The invention relates to the technical field of water quality sampling devices and specifically to an unmanned ship water quality sampling mechanism. The unmanned ship water quality sampling mechanismcomprises a bottom plate; the bottom plate is provided with a bracket; the bracket is provided with a sampling assembly; the sampling assembly comprises a driver, a turntable and a sampling tube; thedriver is fixedly connected with the bracket; one end of the turntable is connected with an output flange of the driver while the other end of the turntable is rotationally connected with the bracket; the fixed end of the sampling tube is fixedly connected with the turntable through a clamp; the bracket is provided with a tube arranging assembly which is in transmission connection with the turntable through a synchronization mechanism; a movable end of the sampling tube is arranged at the tube arranging assembly in a penetrating manner. The unmanned ship water quality sampling mechanism has areasonable structure and high degree of automation; the sampling tube which is folded and unfolded automatically can be combined with the unmanned ship system conveniently to realize integrated control. The unmanned ship water quality sampling mechanism can control the sampling depth precisely, has high sampling precision, simple structure and low manufacturing cost and is convenient for installation, disassembly and maintenance of the unmanned ship; and the unmanned ship water quality sampling mechanism has small space occupation, light weight and low influence to the navigation of the unmanned ship.

The invention discloses a movable building lifting device and relates to the technical field of building equipment. The movable building lifting device comprises a bottom plate. The top of the bottomplate is fixedly connected with a machine case. Two sides of the top of the inner wall of the machine case are fixedly connected with hydraulic telescopic cylinders. A piston disc is slidably connected inside each hydraulic telescopic cylinder. A hydraulic rod is fixedly connected at the bottom of each piston disc. The bottom end of each hydraulic rod penetrates through the corresponding hydraulictelescopic cylinder and extends to the bottom of the corresponding hydraulic telescopic cylinder. The movable building lifting device well solves the problem that a lifting device is inconvenient forconstruction personnel to move, it is not necessary for the construction personnel to spend a lot of time to disassemble and reassemble the lifting device and fix the lifting device at another construction position, the work burden of the construction personnel is reduced, the work efficiency of the construction personnel is improved, the quick and convenient movement of the lifting device as a whole is realized, the purpose of reducing the construction cost is achieved, and thus the construction work of the construction personnel is greatly facilitated.