120results about How to "Reliable use" patented technology

A semiconductor pressure sensor for a pressure sensor device has a pressure detection element which includes a membrane made of semiconductor material, particularly silicon. The sensor includes a support having a three-dimensional body passed through by a detection passage. The detection element is made integral with a first end face of the three-dimensional body, substantially at a respective end of the detection passage. The support is configured to serve the function of a mechanical and / or hydraulic adaptor or interface, with the aim of mounting the sensor into a pressure sensor device, particularly to allow mounting the pressure sensor into a pressure sensor device configured for mounting a sensor of the type referred to as monolithic or ceramic.

The invention provides a distributed four-wheel drive pure electric vehicle electrical system. The system comprises a power battery pack, a battery management system, a high voltage distribution box, an adapter junction box, a vehicle-mounted charger, a DCDC, an air-conditioner compressor controller, an air-conditioner compressor, a PTC, an electric controller, a motor, wheels, a remote monitoring system, a vehicle control unit, a storage battery, an ignition switch, a combination meter, a vehicle body module controller, lamplight, a low-voltage power supply relay and a high-voltage power supply relay, wherein the low-voltage power supply relay and the high-voltage power supply relay work in cooperation with the other components. The system further comprises a high-voltage direct current bus and a low-voltage output circuit for connecting the other components. According to the pure electric vehicle electrical system, some new electrical systems and devices are added, an original low-voltage circuit is modified partially, and the independent wiring mode is adopted for the newly-added electrical system, so that the whole electrical system is reliable to use and easy and convenient to operate.

The invention relates to a device and method for testing axial dynamic parameters of a ball screw pair bonding surface. The device comprises a testing platform, a ball screw pair supporting assembly, an excitation assembly, an axial load exerting device, an excitation force sensor and a displacement sensor. The ball screw pair supporting assembly is fixed to the testing platform, is constructed to be only capable of horizontally supporting a ball screw to be tested in a micro-motion mode, and is constructed to allow a lead screw nut connected to the ball screw to be fixedly supported against the testing platform. The excitation assembly is provided with an excitation rod. The displacement sensor is used for measuring vibration of the lead screw. When the device for testing the axial dynamic parameters of the ball screw pair bonding surface is combined with the method, the axial dynamic characteristic parameters of the bonding surface of ball screw pairs of different types under different axial external loads can be texted, and the device has the advantages of being simple in structure, high in universality and high in testing accuracy.

The invention discloses a tennis ball collecting vehicle, comprising a chassis assembled with a pair of driving rear wheels and a pair of steering front wheels, wherein a circulatory ball poking platy ball picking mechanism is arranged on the front part of the chassis, and a ball collecting box is arranged at the rear part of the chassis; a vertically-arranged steering rod is assembled with each steering front wheel, a steering engine is assembled with the two steering rods, and a protective cover is additionally mounted on the steering engine; a motor is arranged on the lower side of the chassis, and the output shaft of the motor is connected with the axle of the driving rear wheels and the rotary shaft of the circulatory ball poking platy ball picking mechanism through a synchronous belt transmission mechanism; a power switch, a vehicle-mounted battery charging socket, a wireless electrical signal remote control receiver and an electronic speed regulator are arranged on the chassis; a pair of brush wheels and a pair of guide plates are arranged at the front end of the chassis; and a pair of convexly arc-shaped handle fixed frames is mounted on the chassis, and the upper ends of the two handle fixed frames are provided with transversely-arranged vehicle body handles. The tennis ball collecting vehicle has a reasonable structural design, is reliable to use and is high in working efficiency.

A method for using voice identification and voice countermark of mobile communication terminal includes prompting user to input telephone number by voice when telephone book information is inputted by voice, telling telephone number by user then starting up voice software identification system to identify told number, prompting user to input name by voice after identification is finished, telling user name by user, finalizing specimen analysis, feature recording and sampling of told name by calling part function of said system and using voice specimen feature record as voice countermark record.

The invention relates to the ticket checking field for public transportation and particularly provides a Bluetooth and two-dimensional code-based ticket checking system and a method. According to the technical scheme of the invention, firstly, a mobile intelligent terminal acquires a pull-in consumption certificate via a request support platform to generate a two-dimensional code, and a ticket-checking POS machine scans the two-dimensional code to obtain the consumption certificate. After that, through the decryption and the business logical judgment, a processing result is broadcasted in the Bluetooth manner. At the same time, the mobile intelligent terminal acquires the broadcast data through the Bluetooth canning process and then generates a reply in the form of a two-dimensional code based on the acknowledgement information after the analytic judgment process. Finally, the ticket-checking POS machine scans the new two-dimensional code to obtain the replay information and then judges weather to open a ticket barrier or not. In this way, a reliable communication mechanism is formed based on the cooperation of the two-dimensional code and the Bluetooth broadcasting manner. The system and the method can be applied to the ticket checking process in subways, public transportation and the like, wherein the flow rate of visitors is large.

The invention discloses a single-pipe gas relay detecting bench, a centering clamping mechanism and a detection method of the single-pipe gas relay detecting bench, belonging to the technical field of transformer gas relay detection, to solve the problem that an existing gas relay is low in clamping efficiency and a multi-caliber gas relay cannot be detected. The invention provides the centering clamping mechanism for detecting the gas relay, which comprises a fixed end and a moving end, wherein the fixed end is provided with a fixed end jack, the moving end forms a first-class secondary seal guide plate, and the mechanism can detect the gas relay with different calibers. The invention also provides the single-pipe gas relay detecting bench which comprises a rack and an oil tank which are arranged on an enclosure, and a heavy gas velocity test circuit connected between the rack and the oil tank, wherein the rack is provided with the centering clamping mechanism. The invention also provides a method for detecting the heavy gas velocity value, the light gas velocity value and the pressurization sealing value of the gas relay with different calibers by using the single-pipe gas relay detection bench.

The invention discloses a vacuum excrement collection device for a passenger train, which comprises a vacuum excrement collection device, a vacuum intermediate transition tank, a sewage terminal collection tank, a vacuum generation device, a PLC (programmable logic controller) and a vacuum switch, wherein the vacuum excrement collection device is connected with the vacuum intermediate transition tank which is connected with the sewage terminal collection tank, a first check valve and a transmission control valve are arranged on a conveying pipeline, the transmission control valve is connected with one end of the vacuum intermediate transition tank, one pipeline transports sewage and vacuum, the sewage terminal collection tank is connected with the vacuum generation device through a pipeline provided with a second check valve, the vacuum switch is connected with the sewage terminal collection tank which is provided with a liquid level sensor II, the PLC is connected with an electromagnetic valve I, an electromagnetic valve II, an electromagnetic valve III, the vacuum switch and the liquid level sensor II, one pipeline transports the sewage and the vacuum at the same time, compressed air is saved, the noises are reduced, the pipeline blockage is effectively reduced, and the pipeline is cleaned.

A mobile communication terminal for the users with visional dystrophy and hypopsia features that the intelligent speech recognition (AR) and the text-speech conversion (TTS) software supported speech dial control and text-speech conversion output are used. It is composed of a motherboard with DSP / CPU, digital base band processor and ABB processor, universal I / O port, UART port, keyboard with intelligent keys for speech dialing, frequency synthesizer, duplexer, microphone and earphone. The high-contrast display screen and display mode are also used.

A guiding device for guiding movement of a saw blade of a band saw includes a holder base and two saw blade guiding units. The holder base includes a base portion for mounting to the band saw, and two parallel supporting arms. Each of the saw blade guiding units has a sleeve fastened to a transversely extending through hole of one of the supporting arms, a ball rotatably received in the sleeve, and a wheel having a metal wheel shaft with one end inserted into the sleeve and stopped at the ball, and a wheel body made of ceramic material and connected to the other end of the wheel shaft for stopping against one lateral side of the saw blade.

A lower limb function assisting rehabilitation device is mainly used for the rehabilitation training of sports coordination of two lower limbs of a brain injury patient and can have an effect on promoting blood circulation of lower limbs. The device comprises a base, a left swing arm, a right swing arm, a lead screw, a nut and a motor. The device can help a hemiplegic patient in doing passive lower limb bending and stretching movement and having coordinative function training at home, enhance the blood circulation of lower limbs, and train the flexibility, coordination and balance of lower limbs. The device has a remarkable effect on making a patient get well soon and restore the walking ability when used in cooperation with drug therapy; meanwhile, the device has a certain effect on improving the life quality of a patient. The device has the advantages that the structure is simple, use is reliable, a transmission mechanism is hidden, no safety problem can easily happen, the motor can not change the rotating direction in use, and the right swing arm and the left swing arm can still arch up and fall down repeatedly so as to drive legs of a patient to do rehabilitation movement.

A medical device such as an ostomy appliance has an inflatable seal for sealing an opening in a patient's body. A non-return valve is provided at an inlet port for admitting inflation fluid into the inflatable seal and for preventing escape of the inflation fluid.

The invention discloses grinding equipment capable of manually adjusting an inclined angle. The grinding equipment comprises a base (9), and a workpiece fixed table (92) supported above the base (9) through a stand column (91); a workpiece holding device (93) is arranged on the lower side surface of the workpiece fixed table (92) for keeping a workpiece (94) on the lower side surface of the workpiece holding device (93); and four inclined angle adjusting devices (8) are fixed below the workpiece fixed table (92) on the upper side surface of the base (9), and are uniformly distributed in the peripheral direction, so that two opposite inclined angle adjusting devices (8) are positioned in the transverse axis direction, and other two opposite inclined angle adjusting devices (8) are positioned in the longitudinal axis direction.

The invention provides a grass trimming head which is simple to operate and reliable to use and a grass trimmer. The grass trimming head comprises a shell body, a grass trimming rope, a wire ring which is arranged in the shell body and a locking device, wherein two wire outlet hole are formed in the shell body, and the grass trimming rope runs through the wire outlet holes; the wire outlet holes are evenly distributed along the circumference of the shell body, and the two outlet holes are a first wire outlet hole and a second wire outlet hole respectively; a central hole is formed in the wirering, the locking device is arranged at the central hole, and threading channels which transversely penetrate the wire ring and are communicated with the central hole are arranged on the side of the circumference of the wire ring; the threading channels are communicated with the first wire outlet hole and the second wire outlet hole, and the grass trimming rope sequentially runs through the firstwire outlet hole, the threading channels and the second wire outlet hole so as to penetrate the grass trimming head so that a user can conveniently load the grass trimming rope on the wire ring of thegrass trimming head without the need of disassembling the shell body; therefore, the operation of replacing the grass trimming rope can be simple and convenient, the position of the grass trimming rope can be locked through the locking device, and therefore it is ensured that the grass trimming rope can not be thrown out when in use, so that the grass trimming head can be used reliably.

A plasma ignition kiln drying device for an anthracite kiln belongs to pulverized coal kilns. A primary air pulverized coal pipe, a base, and a primary thermal cracker are connected in series and communicated through a flange plate; a secondary thermal cracker is sleeved at the outer side part of the primary thermal cracker in a matching manner; a peripheral air pulverized coal pipeline is formed between the primary thermal cracker and the secondary thermal cracker; cyclone blades are assembled inside the peripheral air pulverized coal pipeline; structures taking the shapes of an external cone and an inner cone in the same direction respectively are arranged on the external surface of the tail end part and the internal surface of the tail side part of the primary thermal cracker; a structure taking the shape of an inner cone, matched with the external cone at the tail end part of the primary thermal cracker, is arranged on the inner wall surface of the secondary thermal cracker, so as to form an energy collection opening; and two plasma generators are assembled symmetrically on the base. The device has a novel, reasonable and simple structural design, is reliable to use, and has the advantages of strong adaptation to pulverized coal, high pulverized coal burn-up factor and excellent environment-friendly effect, and low production and operation costs.

The present invention provides more efficient, cost effective coke drum isolation valve devices and system as well as more efficient, cost effective methods for isolating the flow of matter from location to another in the delayed coker unit operation where the valve comprises a first seat; a second seat aligned with said first seat; a blind; a main body having an orifice dimensioned to align with an orifice in said line; wherein said main body is coupled to said line; an upper and lower bonnet coupled to said main body, wherein said bonnets may be removed in order to replace valve parts without separating the main body from the line; and a plate located inside a bonnet, wherein the plate comprises a planar surface that contacts a surface of the blind.

A speedometer gear output structure includes a gearbox installed in a motorcycle and holding a driven gear and an output gear for synchronous rotation with the wheels of the motorcycle, an annular magnetic device fastened to the gear shaft of the output gear for synchronous rotation, and a circuit board mounted in the gearbox and holding a sensor corresponding to peripheral magnetic zones of the annular magnetic device for outputting an output signal indicative of the speed of rotation of the output gear.

The invention discloses a mobile automobile body modal test bed, which comprises a chassis, a body, a rocking arm supporting block, a guiding screw and a hand wheel shaft, and is characterized in that: four corners of the chassis are provided with a rectangular hole respectively; two end parts of the guiding screw are in matching connection with a nut respectively, and the two nuts are connected with a rocking arm respectively; two ends of the two rocking arms are provided with a bend vertical to the rocking arms respectively; the middle parts of the four bends are in matching connection with a rotating shaft supporting seat arranged on the chassis through a rotating shaft respectively; the lower end parts of the four bends are in matching connection with a wheel through a wheel shaft respectively; the four wheels correspond to the rectangular holes at the four corners of the chassis; and the four wheels can be driven to move up and down by rotating the hand wheel shaft. The mobile automobile body model test bed has a simple structure, is reliable to use, is convenient to operate, not only can be moved easily on a trench of a modal laboratory but also can bear weight, and ensures the normal proceeding of a modal test on an entire automobile or a body in white.

The invention relates to an extirpator capable of using a tractor to output power to drive a weeding tooth assembly to rotate, and belongs to agricultural machinery. A transmission box is fixedly mounted on a machine frame assembly; a universal transmission shaft and a first chain wheel are mounted on a power input shaft and a power output shaft of the transmission box respectively; a second chain wheel and a third chain wheel are fixedly mounted on a main driving shaft; a fourth chain wheel is fixedly mounted on the weeding tooth assembly; a first chain is arranged on the first chain wheel and the second chain wheel in a sleeved manner; and a second chain is arranged on the third chain wheel and the fourth chain wheel in a sleeved manner. Rotary motion of the weeding tooth assembly of the extirpator is singly driven by power output by the tractor, and is not influenced and controlled by the moving speed of the tractor. The extirpator has the characteristics of simple and reasonable structure, use reliability, high work quality and high production efficiency.

The invention relates to a separated movable sound insulation house, which is characterized in that a front rail and a rear rail are respectively laid on foundation on the left outer side and the right outer side of online equipment, a left sound insulation house and a right sound insulation house are correspondingly arranged on the rails which are arranged in left and right mode, and the left sound insulation house and the right sound insulation house are same in structure and oppositely arranged. The right sound insulation house is mainly composed of a house body, a walking mechanism and a venting device, wherein a main sound insulation chamber is arranged on the right portion of the house body, an auxiliary sound insulation chamber provided with a cantilever extending towards the left and integrated with the main sound insulation chamber is arranged at the left upper end portion of the house body, the left-extending auxiliary sound insulation chamber of the right sound insulation house and a right-extending auxiliary sound insulation chamber of the left sound insulation house are connected to be suspended above a noise source of the online equipment, and flexible sound insulation plates are respectively arranged on the front lateral sides and the rear lateral sides of the auxiliary sound insulation chambers. Wall surfaces in the main sound insulation chamber are provided with fireproof sound insulation layers, and the walking mechanism which is formed by a speed reducing motor and a chain transmission pair and can drive rail wheels is positioned at the bottom of the main sound insulation chamber. The left sound insulation house and the right sound insulation house can be moved and separated according to requirements, thereby facilitating overhauling of the online equipment and fault treatment.

The invention discloses a mixed flow water turbine runner dynamic balance test method. The method comprises the following steps of 1, cleaning and adjusting a dynamic balancer; 2, hoisting a tool dabber to the dynamic balancer; 3, performing a dynamic balance test on the tool dabber; 4, hoisting a runner and installing the runner on the tool dabber; 5, performing the dynamic balance test on both the tool dabber and the runner; and 6, correcting a crown concave plane and an lower annular base plane on the runner, to be qualified. The mixed flow water turbine runner dynamic balance test method provided by the invention has the advantages of being simple and convenient to operate, reliable to sue and low in cost; by using the method, the dynamic balance test can be quickly and conveniently performed on the runner of the mixed flow water turbine, so that the operation stability and safety of the product under the hydraulic condition are ensured.

The invention discloses a gas tank storage capacity overload detection and control interlocking device comprising a steel rope, a pulley, an indicating sign with gas storage capacity scales, a pointer, a weight and a proximity sensor. The device is capable of judging the high limit and low limit of the gas tank storage capacity, the high limit and low limit serve as the judgment basis for mutual authentication with gas tank monitoring system single tank instrument analog quantity parameters, the gas tank storage capacity overlimit judgment and interlocking control can be completed, the gas tank is guaranteed operating in a safe capacity range, the defects on economics and timeliness since multiple monitoring system tank instruments are configured or overlimit is verified and judged by acquiring the gas tank storage pressure are solved, and the device is simple in structure, reliable to use, low in cost, convenient to maintain and durable.

The invention relates to the field of firefighting equipment, in particular to a fireproof smoke discharge valve. The fireproof smoke discharge valve comprises a valve body and valve blades; a drivingshaft and a valve plate rotating shaft are mounted on the valve body; the driving shaft is perpendicular to the valve plate rotating shaft; a driving bevel gear is mounted on the driving shaft; a driven bevel gear is mounted at the end, towards the driving shaft, of the valve plate rotating shaft; the driving bevel gear is engaged with the driven bevel gear; and the valve blades are mounted on the valve plate rotating shaft. The fireproof smoke discharge valve is opened by adopting a manner of rotating single rotating shaft without adopting traditional connecting rod and rocking rod mechanisms; and the rotating shaft is not easy to damage such as deformation and wear, so that products are stable and reliable in use and long in service life.

This invention relates to a special apparatus for automatic measuring of oil well fluid in oil industry system, which mainly comprises data collection process device and sensor. The data collection process device mainly comprises single machine control LCD module 6 in the integration circuit board 19, RS232 gorge line 11, clock module and data storage and signal process part. The sensor comprises liquid level sensor, magnetic reversal level gage 1 located on one side, ultrasonic level gage 13 located on the top of the separator 10 and is connected with the separator 10 which is fixed with exhaust valve 17on the top, with a liquid entrance pipe on the bottom and with a connection pipe on the top.

The invention relates to a method and a device for fixing a safety belt, in particular to a safety belt fixing device suitable for an operation staff working at the top of a large transformer oil tank. The technical scheme is that the device comprises a transformer oil tank edge (1), stand columns (2), buckles (3), mounting rings (4) and a rope (5), wherein the two stand columns (2) are perpendicularly fixed on the transformer oil tank edge (1); the distance between the two stand columns (2) is matched with the size of the transformer oil tank; each stand column (2) is welded with a plurality of mounting rings (4) uniformly; the buckles (3) are arranged at two ends of the rope (5), and are clamped on the mounting rings (4) of the stand columns (2); the safety belt is in slide connection with the rope (5). The device is simple in structure and reliable in use, and falling of the operation staff is prevented to guarantee personal safety of the operation staff.

The invention discloses a liquid-solid-liquid three-phase horizontal screw centrifuge which comprises a drum (1), wherein a screw cylinder (2) is arranged in the drum (1); a small end journal (3) and a big end journal (4), which are connected with the drum (1), are arranged at both ends of the drum (1) respectively; a light liquid layer (5), a solid layer (6) and a heavy liquid layer (7) are arranged in the drum (1) from inside to outside respectively; the inner wall of the end, connected with the big end journal (4), of the drum (1) expands outwards to form a small cone angle; light liquid layer discharge channels and a heavy liquid layer discharge channel are arranged on the big end journal (4) respectively; and a liquid phase demarcation mechanism A and a liquid phase demarcation mechanism B are arranged at the light liquid layer discharge channels and the heavy liquid layer discharge channel respectively. The liquid-solid-liquid three-phase horizontal screw centrifuge has the advantages of smart structural design and reliability in use, the separation effect of a light liquid, a solid phase and a heavy liquid can be improved through adoption of the liquid-solid-liquid three-phase horizontal screw centrifuge, and the working stability of the liquid-solid-liquid three-phase horizontal screw centrifuge is guaranteed.

The invention discloses a tail heat recovery and dust removal integrated coal-fired boiler. A boiler exhaust pipe is in tangential connection with a cyclone dust collector, dust is exhausted from a cone bottom through an air-lock valve after cyclone de-dusting, and exhaust enters a cone through a cyclone riser, passes through a tube nest after being uniformly dispersed, and is discharged by an exhaust pipe through an induced draft fan after being centralized by an upper tapered hopper; an impeller of the induced draft fan adopts the structure that blades are shaped like hollow reversed water droplets and a back plate is dish-shaped; the contour line of the induced draft fan is an involute. The tail heat recovery and dust removal integrated coal-fired boiler creatively integrates boiler tail heat recovery and dust removal, and a cyclone dust removal efficient tail heat recoverer is designed to complete tail heat recovery and dust removal in one step, so that the equipment investment is reduced and the working efficiency is improved; as the structure that the blades are shaped like hollow reversed water droplets and the back plate is dish-shaped is adopted, dust on the impeller of the induced draft fan can be cleaned in real time, the impeller strength of the induced draft fan is improved, the stability is enhanced, safety accidents caused by dust accumulation are effectively prevented, and the application prospect is wide.

The invention discloses a grenade fixing device of a front-loading type grenade launcher. A launching pipe is provided with a grenade clamping pin which is used for clamping a grenade to launch and is constraint to the middle of a lever type pressing rod capable rotating around a shaft pin; one end of the pressing rod is provided with an integrated oblique blocking bank, and a pressing spring is installed between the other end of the pressing rod and the launching pipe; a pneumatic piston is installed above a launching engine base at the tail of the launching pipe; the upper side of the tail of the pneumatic piston is provided with a push bank fit with the blocking bank, and the tail of the pneumatic piston is provided with a reset spring. When the grenade fixing device is in use, and the grenade is loaded from the launching pipe opening, a clamping groove is clamped by a clamping elastic pin so as to fix a grenade, and the gunpowder gas generated by percussion pushes the pneumatic piston backwards so as to expel the pressing rod to rotate to drive the clamping elastic pin to constraint the grenade; the grenade is discharged from a chamber under the action of the gunpowder gas, and the grenade is loaded in the way so as to launch.

The invention discloses a sink dishwasher with a residue treatment function. The sink dishwasher comprises a dishwasher tank body; a water outlet and a residue basket in butt joint with the water outlet are arranged at the bottom of the dishwasher tank body; the residue basket is provided with a residue inlet, a filter screen is arranged on the outer wall of the residue basket; a connecting jointis arranged below the dishwasher tank body; the connecting joint comprises a residue inlet pipe, a valve cavity, a pump chamber and a residue discharge pipe which are sequentially communicated; the residue inlet pipe is communicated with the water outlet; the valve cavity is provided with a control valve used for connecting or disconnecting the residue inlet pipe and the pump chamber, the pump chamber is provided with a draining pump used for pumping food residues in the pump chamber to the residue discharging pipe, the residue discharging pipe is communicated with the feeding end of a food residue processor through a connecting pipe, and the discharging end of the food residue processor is connected with a sewer line. The drainage system of the sink dishwasher is improved, so that food residues can be directly conveyed to the food residue processor through the drainage system to be processed, the manufacturing and maintenance cost of the sink dishwasher is greatly reduced, and the sink dishwasher is more reliable to use.