151results about How to "Adapt to the working environment" patented technology

The invention discloses an orbital type coal transporting trestle automatic polling robot and system. The polling robot comprises a machine cabin with a track walking mechanism and a polling image acquisition device, the machine cabin is of a closed structure and is provided with a wireless charging receiving module, and a power module, a control module and a wireless communication module are arranged in the machine cabin. The track walking mechanism comprises a walking drive device and a main frame, the main frame is provided with a guide load bearing wheel assembly and a pair of sliding slots, the two sides of the walking drive device are provided with connecting posts which transversely extend out, and the connecting posts are slidably arranged in the sliding slots; and a track mountingposition is formed between the guide load bearing wheel assembly and a track walking component of the walking drive device, one end of each sliding slot is provided with a pressure regulating deviceused for adjusting the frictional force of the track mounting position, and the connecting posts abut against or are supported to the pressure regulating devices. The orbital type coal transporting trestle automatic polling robot and system have the advantages of good protection performance, strong environmental adaptability, safe and reliable charging, strong driving capability, long service lifeand good walking stability.

The invention belongs to the field of multi-guide-rail wireless power supply of electric vehicles, and specifically relates to a method for recognizing an electric vehicle in a multi-guide-rail wireless power supply mode. The method comprises the steps of (1) positioning a secondary side coil, and determining the current load state by detecting the input voltage Udc of an inverter circuit; (2) detecting the voltage of an emission guide rail end, comparing with the given preset voltage value delta, namely, detecting the end voltage Up (i-1) and Up (i+1) of the guide rail sections Lp (i-1) and Lp (i+1) when the electric vehicle runs on the sectional guide rail Lpi; if the Up (i+1) is not less than delta, turning the electric vehicle to the guide rail section Lp (i+1), conversely, Up(i+1) is not less than lt, and turning the electric vehicle to the guide rail section Lp (i-1). According to the method, the current and voltage of the guide rail are detected, the running position and direction of the electric vehicle are determined, and the method is simple, reliable, and high in accuracy and stability.

A microseismograph comprises a data acquiring module, a control module, a storage module, a power module and a wave detector, the wave detector receiving microseism signals is connected with the data acquiring module, the data acquiring module pre-processing the microseism signals is connected with the control module, and the control module is connected with the storage module; the microseismograph further comprises a GPS module providing locating and timing information, wherein the GPS module is connected with the control module; the wave detector comprises at least one set of shocking sensor and at least one set of electric signal sensor capable of sensing electric signals and incapable of sensing shocking signals, the electric signal sensor is provided with a resistor with electrical performance same as that of the shocking sensor, and the data acquiring module comprises sampling channel interfaces with the number larger than the sum of the number of the shocking sensors and the number of the electric signal sensors. The microseismograph, the microseism signal acquiring and de-noising method, and the microseism signal acquiring method can effectively eliminate electrical noise interference and improve the signal-to-noise ratio and are suitable for working in an outdoor atrocious weather environment.

The invention provides a fully hydraulic reverse circulation drilling machine, which comprises a walking mechanism, a chassis assembly, a work table frame assembly, a main frame, a main frame turning oil cylinder, a swinging rod assembly, a winch assembly, a drill pipe, a dismounting device, a hydraulic system, a power take-off assembly, an impact drill bit, a rotating wing drill bit, a power assembly and an oil cylinder pulley assembly. A diesel engine or electric power is used for driving; hydraulic motors and oil cylinders are used as executing mechanisms; and the whole process operation of the drilling machine is realized through a hydraulic transmission and control system. The two hydraulic motors and a gear reducer are used for forming a power head to drive a drilling tool to rotate; the hydraulic motors adopt a serial connection or parallel connection mode; and the drill pipe realizes different rotating speeds and can adapt to different-geological-condition and different-hole-diameter operations. The oil cylinders are used for controlling the oil pipe feeding and lifting the drilling tool, so that the power head can vertically move along with the drilling tool and can realize floating, suspension stop and pressurized drilling; the drill pipe can be automatically dismounted and mounted; and the impact drill bit and the rotating wing drill bit are used for realizing the hole drilling of holes with the hole diameter being 2 to 3m and the hole depth exceeding 200m in the pebble bed, the hard rock stratum and the stratum containing large-diameter rock blocks.

The invention discloses a double-arm-cooperative cleaning robot. The double-arm-cooperative cleaning robot comprises a grabbing and sweeping module composed of mechanical arms, grabbing grippers and cleaning brushes, a trash can for collecting trash, lifting platforms for containing tableware and a bottom plate for moving. The robot is of a double-arm rotating structure. The two four-shaft mechanical arms are arranged on two bases. The three-claw gripper on one mechanical arm is driven by an air cylinder to grip bowls and dishes and convey the bowls and dishes into the corresponding lifting platform for containing the tableware through the waist rotation; and meanwhile the two-claw gripper on the other mechanical arm is driven by gears to grip chopsticks and spoons, convey the chopsticks and spoons into the corresponding lifting platform for containing the tableware through the waist rotation and then exchange the mechanical grippers with the cleaning brushes through the wrist rotation, and residues on a dinning table are swept and put into the trash can through the cooperation of the two mechanical arms. By the adoption of the technical scheme of the double-arm-cooperative cleaning robot, the tableware is collected quickly and conveniently, and the dining table is swept.

The invention discloses a double-circle steel wire rope shock absorber, consisting of an outer-circle steel wire rope, an inner-circle steel wire rope, inner-circle upper clamping plates, outer-circle upper clamping plates, a lower clamping plate and a plurality of belleville spring assemblies. The double-circle steel wire rope shock absorber provided by the invention can guarantee the normal exertion of shock absorption performance in the case of large predeformation and guarantee no conquassation under quite great loads; therefore, the safety coefficient and the capability of coping with an accident are improved; the broadband high-attenuation of shock by the shock absorber under the working conditions of precompression and small amplitude (several millimeters) can be realized; in addition, the double-circle steel wire rope shock absorber has the characteristics of long service life, good shock absorption effect and the like.

The invention relates to a lithium battery module for replacing a lead-acid storage battery of an automobile. The lithium battery module comprises an upper cover, a shell, a seal grid plate, lithium batteries, insulated phase-change materials, a battery fixedly-held assembly, heat-conducting rib plates, a battery protection plate and a self-restoring circuit protector, wherein the upper cover and the shell are mechanically connected to form a seal cavity, the seal grid plate is arranged in the shell and divides the seal cavity into an upper-half seal cavity and a lower-half seal cavity, the insulated phase-change materials are filled in the lower-half seal cavity, multiple lithium batteries are fixedly connected through the battery fixedly-held assembly and are arranged in the insulated phase-change materials, the heat-conducting rib plates are arranged between each two adjacent lithium batteries, and the battery protection plate and the self-restoring circuit protector are arranged in the upper-half seal cavity; a circuit is mounted in the upper-half seal cavity, one end of the circuit penetrates through the seal grid plate and is connected with the electrodes of the lithium batteries, and the other end of the circuit is connected with an external pole column through the upper cover. Compared with the prior art, the lithium battery module has the advantages of long service life, good power property, small volume, high integration and the like.

The invention discloses a composite energy power distribution system, comprising a composite energy and a control device. The composite energy consists of a lithium battery group and a super capacitor module; the control device consists of a control unit, a first DC / DC converter and a second DC / DC converter; the lithium battery group is connected to the first DC / DC converter; the super capacitor module is connected to the second DC / DC converter; the first DC / DC converter is connected to the DC / DC converter and then both the first DC / DC converter and the second DC / DC converter are connected to a load; a control unit is connected to the lithium battery group, the super capacitor module, the first DC / DC converter, the second DC / DC converter and the load through a CAN communication network; the control unit obtains the power requirement of the load, the state data of the first DC / DC converter, the state data of the second DC / DC converter and the state data of the composite energy through the CAN communication network; the power distribution that is respectively born by the lithium battery group and the super capacitor module is calculated; and the power which is respectively born by the corresponding lithium battery group and the super capacitor module is controlled.

The invention discloses an intelligent detection and identification system and method for a coal-rock interface of a mine and relates to the technical field of coal-rock interface identification. Thesystem mainly comprises an intelligent lifting bracket fixed at the top of a coal mining machine, a non-contact radar antenna arranged at the top of the intelligent lifting bracket, and an operation terminal which performs information transmission with the radar antenna in a wireless mode. In the working state, the radiation direction of the radar antenna is perpendicular to the surface of a detected coal seam; and the operation terminal is used for acquiring radar data of the detected coal seam acquired by the radar antenna and drawing and displaying a coal seam position occurrence curve according to the radar data. Therefore, the detection precision can be improved; and the system and method can adapt to the abrupt change working environment of the fully mechanized coal mining face.

The invention provides a monitoring apparatus and a transmission apparatus of high-temperature production well pump temperatures and pressures, and a system. The system comprises two discrete apparatuses, namely the monitoring apparatus of high-temperature production well pump temperatures and pressures and the transmission apparatus of high-temperature production well pump temperatures and pressures; the monitoring apparatus is used for measuring the temperatures and the pressures of an underground oil reservoirs and sending the temperatures and the pressures to the transmission apparatus in the form of ultrasonic wave signals; the transmission apparatus receives the ultrasonic wave signals and generates acoustic signals for loading on an oil pipe and sending out; compared with a direct-reading pressure gage, the process of cable tying during construction is avoided, the construction difficulty and the construction risk are reduced, and the launching intervals of an ultrasonic emitter and an electroacoustic transducer can be adjusted according to requirements, and therefore, the monitoring apparatus and the transmission apparatus also are capable of meeting the requirements of instantaneity. Besides, the monitoring apparatus and the transmission apparatus both are provided with thermal insulating elements and are capable of well adapting to high-temperature working environments.

The invention discloses a special colored hot-press label of a resin grinding wheel. The special colored hot-press label comprises a black paperboard or a copper printing paper substrate, a bottom layer, a pattered oil layer and a protective layer, wherein the bottom layer, the pattered ink layer and the protective layer are offset-printed on the substrate. Aiming at realizing small color change amplitude after a finished product label and the grinding wheel are sintered and vulcanized together, ink for the pattered ink layer is scientifically prepared from materials, such as polydimethylsiloxane phenolic resin, a chemical corrosion resisting agent, an anti-friction agent, tung oil, organic pigment, and the like, crude ink is modified, the high-temperature softening point of the ink layeris improved, the adhesive film hardness of the surface of the ink layer is increased, and an adhesive film gap on the surface of the ink layer is sealed. The special colored hot-press label has the advantages that: a brand name and various technical data of the grinding wheel are printed with various colors of ink by utilizing the appropriate substrate and then die-cut and formed, and directly hot-pressed on the surface of the substrate in the production process of the grinding wheel, and the grinding wheel is discharged from a furnace after dried in a high-temperature vulcanizing kiln for 30h at 186 DEG C, therefore, the mark of the label is very distinct, not powdered and obscure, and the color change amplitude is less than 10 percent.

The invention relates to a picking and feeding device for a bundling machine. The picking and feeding device comprises a picking machine (2), a picking table body (9) and a feeding auger (6), whereinthe picking machine (2) is arranged on the front end of a complete machine and is hinged to a rack; the picking table body (9) is arranged on the rear end of the picking machine (2) and is fixed on the rack; the feeding auger (6) is rotatably connected in the picking table body (9); supporting plates (1) are arranged below two sides of the picking machine (2); the front end of each supporting plate (1) is hinged to the picking machine (2); and the rear end of each supporting plate (1) is connected with the picking table body (9) in an adjustable height way. By use of the picking and feeding device disclosed by the invention, according to a practical operation situation, the height, which is relative to the ground, of the picking machine can be regulated, a ground clearance of the elastic tooth tip of the picking machine can be effectively supported, so that elastic teeth can be prevented from scraping with the ground, and an elastic tooth damage rate is lowered.

The invention discloses a texturing machine. The texturing machine comprises a plurality of machining spots, wherein the machining spots are in butt joint and are used for stretcher strain of filaments. Each machining spot is internally provided with a drafting, texturing and winding operation unit. At least one operation unit in each machining spot is provided with an independent transmitter of a motor. Each independent transmitter is provided with a driver and is composed of the motor of which a rotor is a permanent magnet with non-exciting current and a stator is a multi-phase winding. The drivers detect current of the multi-phase windings of the motors and calculate counter electromotive force voltage to obtain the position information of the rotors, and main controllers in communication with the drivers obtain the real-time speed of the motors through the position information of the rotors. The drivers can obtain detailed position information of the rotors while keeping high-speed and stable operation of the motors in a sensorless control mode, it is unnecessary to additionally arrange rotor position sensors or speed measurement sensors, feedback deflection caused by installation angles of the sensors or changes of environment temperature is reduced, the rotation speed of the independent transmitters can be monitored in real time, and closed-loop control can be achieved through speed feedback.

The invention provides an intermittent self-locking type chain fastening device for a scraper machine. The intermittent self-locking type chain fastening device comprises a connecting hood barrel andan intermittent hydraulic chain fastening mechanism. The intermittent hydraulic chain fastening mechanism is installed in the connecting hood barrel. The hydraulic chain fastening mechanism comprisesa hydraulic cylinder, a rack, a ratchet-gear wheel, a first pawl, a first ratchet, a coupling, a second ratchet and a second pawl. One end of the rack is fixedly connected with one end of the hydraulic cylinder. The rack and the ratchet-gear wheel are engaged. According to the intermittent self-locking type chain fastening device, the hydraulic cylinder is adopted as a power part, and the intermittent self-locked type chain fastening device can better adapt to a downhole emulsified liquid working environment; the working position of the hydraulic cylinder is accurate, and the tensioning degreeof a chain can be controlled accurately; self-locking of the two sets of ratchets and pawls at any time is achieved , and locking reliability is high; the hydraulic cylinder is arranged to be perpendicular to the transmission direction of the power part, the sizes of the ratchet-gear wheel and the rack are adjusted conveniently, and the size of the chain fastening device can be reduced effectively; the ratchet and pawl structure is achieved, torque is large, and the transmission efficiency is high. The invention further provides a chain fastening method of the intermittent self-locking type chain fastening device for the scraper machine.

The invention provides a method for realizing a dual protocol-based VPN, which is based on a code, an integrated circuit board of an industrial computer, a chip and network technique. The design concept of a special operation system of a microkernel is used for establishing an encryption system with a plurality of key systems; the method of pre-sharing the key is adopted to share the key secretly under the protection of encryption algorithm; each IP data packet has a key to establish standard encryption channel of IPSec and select an IP level (a third level) to establish a special encryption channel; the encryption channels are used for managing all the remote VPN gateways, establishing the function of auditing and logging and integrating the main safety function modules such as encryption algorithm, key management, a VPN standard protocol, a VPN special protocol, management tools and the function of auditing and logging into a whole; at the same time, the self-destruction function of a VPN functional module driven by a hardware is realized; thereby, a virtual special network based on the dual protocol is established.

The invention provides a ball injecting de-blocking hydraulic tubing anchor which comprises a lower connector, a central tube and an upper connector arranged on the central tube in a sleeved mode. The ball injecting de-blocking hydraulic tubing anchor is characterized in that the outer wall of the central tube is connected with a piston through a second shear pin, a piston cylinder sleeve is arranged on the outer wall of the piston in a sleeved mode, the inner wall of the piston cylinder sleeve and the outer wall of the piston form a piston cylinder, a locking ring is arranged at the lower end of the piston cylinder and connected with the piston cylinder sleeve in a threaded mode, the lower end of the locking ring is connected with a locking ring back band, the lower end of the piston is provided with a two-way slip connected with the central tube through an elastic part, the two ends of the inner side of the two-way slip are oblique planes, an upper cone and a lower cone are wedged into the two oblique planes respectively, the lower end of the central tube is connected with a pawl sleeve, the lower end of the pawl sleeve is provided with an elastic pawl, a de-blocking ball base is connected with the inner wall of the elastic pawl through a fourth shear pin, and the lower connector is arranged on the outer wall of the de-blocking ball base in a sleeved mode. The ball injecting de-blocking hydraulic tubing anchor has the advantages of being high in safety factor, convenient to use and suitable for various operating environments.

The invention relates to the technical field of environment-friendly equipment for a slag-soil truck, in particular to tarpaulin top cover mechanism for the slag-soil truck. The tarpaulin top cover mechanism has the advantages that the upper portion of the slag-soil truck can be sealed completely, good sealing effect of slag soil loaded on the slag-soil truck is achieved, and a certain environment protection effect is achieved; the mechanism uses a vehicular 24V power supply as a power source to drive a motor to rotate, the motor rotates to drive a drive wheel and a telescopic steel wire rope to move, and the telescopic steel wire rope moves to drive a tarpaulin to retract forwardly or spread backwardly; during traveling of the truck, the top cover mechanism spreads to seal a carriage, and during loading and unloading, the top cover mechanism retracts and is stored at the front-most end of the carriage, and slag soil loading and unloading are facilitated; the guide rail of the top cover mechanism adopts a steel wire rope structure to adapt to the severe working environments of the slag-soil truck, guiderail blocking and deformation can be avoided, synchronous movement of tarpaulin frames on two sides of the carriage is achieved by one steel wire rope, and the top cover mechanism is simple in structure and convenient to use.

The invention discloses a resistance strain gauge bonding and calibration method capable of measuring the contact pressure of a disc friction pair. The method includes the following steps that: the characteristics of the external support structure of the friction pair are analyzed, the size and layout of blind holes and the measuring range of resistance strain gauges are determined; based on the locations of the blind holes, resistance strain gauge bonding and lead connection are carried out, and the initial resistance values of the resistance strain gauges at each measurement point are measured, and whether the bonded resistance strain gauges are normal is judged; a calibration test-bed is built, and signal acquisition is carried out; and fitting processing is carried out based on the data of the measuring points, so that the calibration values of the resistances of the measuring points can be obtained. According to the method of the invention, the measurement of the strain of dual discs can be realized with loading pressure known; the values of the strain gauges at the measurement points are different due to bonding angles and accidental factors, if a pressure loading experiment is carried out directly, a lot of errors can be brought out, and therefore, a calibration experiment can provides a basis for the correction of the dynamic and static pressure distribution measurement data of friction sheets. The calibration method of the invention has the advantages of simplicity, quickness and operational easiness.

The invention relates to a dynamic liquid level height measuring device and a measuring method as well as a closed-loop control system based on the measuring device and a control method. An image of a floater rod which is floated in liquid and is varied in height along the liquid level change is collected in real tine by utilizing a camera system, the image is processed by a data processor in real time to obtain a dynamic height of the floater rod, so that the dynamic measurement of the liquid level height is realized; a PLC (programmable logic controller) control system is connected with the data processor of the dynamic liquid level height measuring device to obtain a variation value of the height of the liquid level to be measured, the PLC control system obtains the control quantity according to the variation value obtained by the data processor and transmits the control quantity to a plug rod actuating mechanism, the plug rod actuating mechanism controls a plug rod according to the control quantity so as to adjust the volume of the liquid flowing into a guide port of a guide mechanism from a liquid supplementing port and to realize the closed-loop control on the liquid level height in a vessel to be measured. The device is simple, the reliability is strong, the measuring and control precision is high, and the cost is low.

The invention belongs to the field of mechanical conveying of corrosive liquid chemicals, and particularly relates to an anti-corrosion nested type gear and a gear pump filling machine. The anti-corrosion nested type gear comprises an inner tooth ring and an outer tooth ring, wherein the outer tooth ring is nested at the outer part of the inner tooth ring; an axial hole is formed in the center of the inner tooth ring; multiple first tooth threads are arranged on the outer circumferential surface of the outer tooth ring; the outer tooth ring is made of anti-corrosion plastic. The anti-corrosion nested type gear disclosed by the invention has the beneficial effects that not only can a gear be simply and efficiently disassembled, assembled and replaced, but also a working environment for conveying the corrosive liquid chemicals by the gear pump filling machine can be well adapted, and meanwhile, the service life of the gear is prolonged.

The invention discloses refrigeration equipment capable of automatically balancing the filling quantity of a refrigerant. The refrigeration equipment comprises a compressor, a condenser, a condensatefan, an expansion valve, a plate type heat exchanger, a gas-liquid separator, high-pressure and low-pressure sensors, a filling tank, two solenoid valves, a heating belt and a pressure sensor; and theoutput end of the compressor is connected with the input end of the condenser, the high-pressure sensor is connected to a connecting pipe, the output end of the condenser is provided with a first branch circuit and a second branch circuit, the first branch circuit is connected with the input end of the expansion valve, then sequentially connected with the plate type heat exchanger and the gas-liquid separator, and finally connected into the input end of the compressor, the low-pressure sensor is connected to a connecting pipe between the gas-liquid separator and the input end of the compressor, the second branch circuit of the output end of the condenser is connected with the input end of the filling tank, the first solenoid valve 61 is arranged on a connecting pipe, the output end of thefilling tank is connected with the input end of the gas-liquid separator, the second solenoid valve is arranged on a connecting pipe, and the electric heating belt is wound around the surface of a tank body of the filling tank, and the tank body is connected with the pressure sensor. The pressure of the filling tank can be controlled by controlling on-off of the electric heating belt.

The invention discloses an OTEC (ocean thermal energy conversion) generating set comprising a support disposed in sea water. A driving wheel and a driven wheel which rotate in sync are disposed at the top of the support. A first roller is mounted at the bottom of the support. A second roller and a third roller are disposed below the driving wheel and the driven wheel respectively. A two-way shape memory alloy spring is wound on the driving wheel, the driven wheel, the first roller, the second roller and the third roller. The OTEC generating set further comprises a generator driven by the driving wheel. The shape memory alloys have different shapes under different ambient temperatures, vertical heat of sea water is converted into kinetic energy for the generator, and ocean thermal energy is developed and utilized.

A lithium ion battery module for an electric forklift truck, and a power supply box, which belong to the technical field of lithium ion batteries. The battery module comprises a housing and a batterypack in the housing; the battery pack comprises cells (11), an inter-cell heat insulation sheet (12), and a bottom surface insulating plate (13), a side surface insulating plate (15) and an end surface insulating plate (14) which are at the periphery of the cells (11), and a bus bar support (7) at the top; the cells (11) are square lithium iron phosphate batteries, and are grouped in a mode with each parallel branch having eight cells which are connected in series, a protruding spacer (18) is provided on the surface of the side surface insulating plate (15) and the surface of the bottom surface insulating plate (13), and the bus bar support (7) is provided with an inter-cell (11) connection bar (4) and an end connection bar (6). The power supply box comprises a box body (34), the box body(34) is internally provided with a high-voltage box (35), a BMS and the described lithium ion battery module for an electric forklift truck, a box cover (39) is provided on the box body (34), and an exhaust valve (50) is provided on the box cover (39). The lithium ion battery module and the power supply box both have high reliability in terms of structure and thermal performance.

The invention discloses a single-pump and double-motor closed type hydraulic system for a travelling mechanism of a land leveler. A port B of a first cartridge valve, a port R of a reversing valve, a port D of a second cartridge valve and a port J of a fourth cartridge valve are communicated with an outlet of a hydraulic pump. A port A of the first cartridge valve, a port G of a third cartridge valve, a port M of a fifth cartridge valve and an outlet of a relief valve are communicated with an oil tank. A port F of the second cartridge valve and a port I of the third cartridge valve are communicated with a port U of the reversing valve, a port L of the fourth cartridge valve and a port P of the fifth cartridge valve are communicated with a port T of the reversing valve, and a port E of the second cartridge valve, a port N of the fifth cartridge valve, a port X of a first hydraulic motor and a port Q of a second hydraulic motor are communicated, and a port H of the third cartridge valve, a port K of the fourth cartridge valve, a port Y of the first hydraulic port and a port V of the second hydraulic motor are communicated. The single-pump and double-motor closed type hydraulic system has the advantages of simplicity and compactness in design, capability of greatly improving quality of hydraulic oil in the system, adaptability to severe working environments, introduction of the cartridge valves, low cost in production, operation and maintenance, and convenience in popularization and use.

The invention relates to a free mode testing system in a guided missile rotation state. The free mode testing system in the guided missile rotation state comprises a suspension device, an excitation device and a data acquiring and analyzing device, and is characterized by further comprising a guided missile rotation driving device and a rotation transmission device; the suspension device comprises suspension frames; each suspension frame consists of a mounting frame, a hoop bearing and an elastic rope; the guided missile rotation driving device comprises a variable frequency motor and a frequency converter with the frequency range of 5Hz-20Hz; the rotation transmission device comprises a transmission shaft; one end of the transmission shaft is universally connected with a rotating shaft of the variable frequency motor while the other end of the transmission shaft is universally connected with a clamping piece at the tail end of a guided missile testing sample piece; the data acquiring and analyzing device comprises an acceleration sensor, a force sensor, a charge amplifier, a data recording instrument, a wireless signal transmitter, a wireless base station and a computer terminal; the acceleration sensor is arranged on the guided missile testing sample piece and is wirelessly connected with the wireless base station through the wireless signal transmitter; the force sensor is connected with the data recording instrument through the charge amplifier; and the wireless base station and the data recording instrument are connected to a computer terminal.

The invention discloses a jack used on various grounds. The jack comprises a base, a supporting part, a hydraulic pump and a spanner. A sliding plate and a foot plate are arranged in the base, a plurality of first reset springs are arranged between the sliding plate and the foot plate, and a plurality of second reset springs are arranged between the sliding plate and the inner wall of the base. The sliding plate is provided with a first handle, a first positioning hole and a plurality of first supporting blocks, a positioning rod is connected into the first positioning hole, a plurality of second positioning holes are formed in a positioning part, and positioning rods are arranged in the second positioning holes. Each positioning rod is provided with a cone frustum, wherein the cone frustum is arranged above the positioning part, a protection cover is arranged on the positioning part, a hole is formed in the protection cover, and a positioning spring is arranged between the protection cover and the cone frustum. A plurality of supporting legs and a plurality of second supporting blocks are arranged on the foot plate. Compared with the prior art, the jack used on various grounds is simple in structure, low in manufacturing cost, capable of being used in some extreme environments of snowfields and grasslands and applicable to most working environments.

The invention discloses a ship sailing wave energy power generation device and belongs to the technical field of power generation equipment. A main structure of the ship sailing wave energy power generation device comprises a ship body outer floating pendulum part, a ship body inner wave energy transmission device, an electric energy collection device and the like; a floating pendulum swings on atelescopic driving rod in a reciprocating manner under the effect of waves, and drives the driving rod to rotate; rotation of the driving rod drives reciprocating rotation of a driven rod through a gear structure, and the movement effect is amplified; the back-and-forth rotation of the driven rod is changed into the encircling amount of an encircling belt wound at one end of the driven rod on thedriven rod, and therefore the length of the portion, outside a driven shaft, of the encircling belt is changed; reciprocating swinging of the floating pendulum is converted into up and down lifting ofa piston of a first air chamber; the change of pressure intensity makes a U-shaped magnet between the first air chamber and a second air chamber move in a reciprocating manner; and the electromotiveforce is generated on a conductor by means of electromagnetic induction, and a power generator is driven to generate power. The ship marching wave energy power generation device is simple in structure, convenient and fast to install, applicable to many work environments and very good in application prospect.

The invention relates to a field discrete type seismic digital recording instrument. The field discrete type seismic digital recording instrument comprises a wave detector, an interface circuit, a sampling holder, an A / D converter, a CPU, a GPS module and a data memory; the wave detector is used for detecting seismic wave signals; the signal output end of the wave detector is connected with the signal input end of the interface circuit; the signal output end of the interface circuit is connected with the signal input end of the sampling holder; the signal output end of the sampling holder is connected with a signal input end of the A / D converter; the signal output end of the A / D converter is connected with the signal input end of the data memory; the clock signal input end of the data memory is connected with the signal output end of the GPS module; and the GPS module is connected with an antenna. No cables or wires exist on the field discrete type seismic digital recording instrument of the invention, and limitations caused by wire and cable connection can be eliminated, and therefore, the field discrete type seismic digital recording instrument is very convenient to use.

The invention discloses a home service robot intelligent navigation algorithm adapting to a complex environment, which integrates information of multiple sensors, reconstructs the working environmentof a robot in real time, effectively enhances the robustness of a system and realizes all-time and all-weather navigation and positioning of the robot in a strange environment. According to the invention, an evaluation model is established, an optimal local path planning algorithm is selected, and the local path planning algorithm is optimized in combination with the height information, so that the problem that a robot cannot accurately judge whether an obstacle exists in a current advancing path or not due to the fact that the robot cannot sense the height information on a map is solved, andthe traditional ant colony algorithm is optimized., and the problem of path planning when the home service robot has a plurality of necessary working points is solved. Meanwhile, the algorithm has higher convergence speed, and the performance of the algorithm is obviously improved.

The invention discloses an air purification system and method with air energy recycling and utilizing functions. The air purification system comprises a shell, wherein a fresh air inlet, an indoor air inlet and an indoor air outlet are formed in the shell, and a fresh air fan, a primary filter screen, a fresh air purification and filter device, an air energy mixing and exchanging cavity and a purification synchronization fan are arranged in the shell; an air inlet of the fresh air fan communicates with the air energy mixing and exchanging cavity; the indoor air inlet communicates with the air energy mixing and exchanging cavity; an air inlet of the purification synchronization fan communicates with the air energy mixing and exchanging cavity, an air outlet of the purification synchronization fan communicates with the indoor air outlet, and an air purification device is arranged at the communicating position of the air inlet of the purification synchronization fan and the air energy mixing and exchanging cavity; and the air energy mixing and exchanging cavity is internally provided with a heat recovery radiator, a mains supply adapter, a charge-discharge controller, a storage battery, a system controller, a sensor box and a data communication device. According to the air purification system and method, fresh air and indoor air can be synchronously purified, and air energy is recycled and utilized.