170results about How to "Strong overload resistance" patented technology

The invention relates to a novel large torque piling machine power head hardened reducer. The reducer comprises an engine body, a cover body, a central gear, an output shaft and more than two groups of planetary transmission mechanisms, wherein two ends of the output shaft are respectively supported on the engine body and the cover body in a penetrating manner; the output shaft at one side of the engine body is in end connection with a grouting device system; the central gear is connected onto the output shaft in a penetrating manner and is arranged between the engine body and the cover body; the more than two groups of planetary transmission mechanisms are supported on the engine body by taking the output shaft as a symmetric center; the planetary transmission mechanism comprises an input motor, and first-stage and second-stage planetary transmission mechanisms; the input motor is connected to an inclined gear shaft which is arranged in the engine body and the cover body through the first-stage and second-stage planetary transmission mechanisms; and the inclined gear shaft is meshed with the central gear. By adopting the more than two groups of planetary transmission mechanisms, the running power of the reducer is shunted; the reducer can stably and safely run for a long time under the large torque in matched with the meshed inclined gear shaft and the output shaft through the combination supporting of a roller bearing and a plane bearing; and the reducer has the advantages of compact structure, stable running, shunted work load, little equipment abrasion, low noise and long service life.

The invention discloses an all-electric driven concrete laser leveler. The all-electric driven concrete laser leveler comprises a vibrating plate module, a scraping plate module, a pull rod module, a walking mechanism, a central control box, a horizontal sensor, a protective shell, a frame, a control panel, a power generator unit, a caster, a power generator unit bottom plate, a pull rod pin, an electric cylinder pin, a motor protective plate, an electric cylinder, a first connecting rod pin, a second connecting rod pin, a connecting rod welding body, an electric push rod, a third connecting rod pin, an electric cylinder connecting rod, a laser transmitter, a vibrating scraping plate module, a laser receiver and other main parts. As an advanced laser control technology and a computer controlled servo driving technology are adopted in the whole machine and the original hydraulic driving system is replaced with an all-electric driving system, the all-electric driven concrete laser leveler disclosed by the invention has the advantages of high automation degree, high construction efficiency, high accuracy, light weight, simplicity in operation, less construction personnel, low construction cost and so on, and is suitable for places with comparatively small loads, such as terraces laid with double-layer reinforcing meshes, floor terraces and so on.

The invention relates to a drilling machine and particularly relates to a novel drilling machine for a carbon fiber composite plate. The technical problem to be solved by the invention is to provide the novel drilling machine for the carbon fiber composite plate, which is low in energy consumption, convenient to operate and high in drilling precision. In order to solve the technical problem, the invention provides such novel drilling machine for the carbon fiber composite plate, comprising a left frame, a bottom plate, a placing platform, a first rocking handle, a first bearing block, a first rotating shaft, a first bevel gear, a pressing block, a moving rod, a sleeve, an elastic element, a first fixed plate and the like; the left side of the top of the bottom plate is welded with the left frame; the middle of the top of the bottom plate is welded with the placing platform; and the upper end of the right side of the left frame is connected with the first bearing block in a bolt connection way. According to the novel drilling machine for the carbon fiber composite plate, the horizontal movement of a drill bit and the drilling operation for any position on the carbon fiber composite plate can be realized through rotating the first rocking handle, and the vertical movement of the drill bit can be realized through rotating a second rocking handle.

The invention discloses a five-freedom active magnetic bearing type dual-axis angular rate gyroscope. The five-freedom active magnetic bearing type dual-axis angular rate gyroscope consists of rotors, a radial magnetic bearing, an axial magnetic bearing, a protection bearing, a radial displacement sensor, an axial displacement sensor, a driving motor, gyroscope cases and a circuit system. By using position feedback information of the rotors of the radial sensor and the axial sensor relative to the gyroscope cases, the circuit system regulates the coil winding current of the radial magnetic bearing and the axial magnetic bearing in real time, so that the five-freedom fully-active suspension of the rotors is realized, and the rotors are driven by the driving motor to rotate at a high speed so as to generate an angular momentum. When the attitude of an external rotor is changed, the coil winding current is correspondingly changed, and the magnitude of external input angular rate is calculated according to a linear relationship between the coil winding current and the input angular rate. The five-freedom active magnetic bearing type dual-axis angular rate gyroscope is applicable to the field of high-accuracy angular rate measurement application, and has the characteristics of small zero offset, low output noise, high resolution and the like.

The invention discloses an epoxy resin pouring dry type transformer in the field of power transmission and distribution devices, which comprises a high-voltage coil and a low-voltage coil which are coaxially arranged, wherein the low-voltage coil is positioned at the inner side of the high-voltage coil; the high-voltage coil and the low-voltage coil are integrally arranged in a poured epoxy resininsulating layer; and a prescription of the epoxy resin insulating layer comprises bisphenol A epoxy resin, quartz sand, mica powder, an amine curing agent and an active flexibilizer. The compositionof the components is poured between the high-voltage coil and low-voltage coil which are coaxially arranged and outside the high-voltage coil after uniformly mixed and cured at a temperature of 125-155 DEG C. By adding all the components, the epoxy resin pouring dry type transformer has the advantages of high heat resistance, high heat radiating performance, high toughness and same thermal expansion coefficient with copper; and the transformer can rapidly conduct heat during overloading running, ensure the safety of the transformer and can run for a long time under overloading.

The invention relates to apolishingequipment, in particular to a polishing equipment for industrial steel pipes, and provides a polishing equipment for industrial steel pipes polishing uniformly, having less harm to people and saving both time and effort. In order to solve the technical problems, the invention provides the polishing equipment for industrial steel pipe. The polishing equipment for industrial steel pipes comprises a base plate, a first support plate, a second support plate, a first sliding rail, a first bearing pedestal, a second bearing pedestal, a positioning device, a steel pipe, a first gear and a first motor. The first support plate is welded at the left side of the base plate. The second support plate is welded at the right side of the base plate. The second support plate is arranged at the right of the first support plate. The polishing equipment for industrial steel pipes achieves the effect of uniform polishing, less harm to people and saving both time and labor during polishing through rotating steel pipes and moving polishing wheels.

The invention relates to a concrete laser leveling machine driven by driving type pure electric power. The laser leveling machine comprises a machine skeleton, a machine power system, a control system, a laser measuring and controlling system and a leveling head capable of feeding automatically, wherein the leveling head can be connected and matched with the front end of the machine skeleton through an electric pusher capable of ascending or descending; the leveling head comprises a vibration plate, a vibration plate installation seat, a vibration motor installation seat, a vibration motor, a connection assembly, a steel rope and a spiral feeding mechanism, wherein the vibration motor is mounted on the vibration motor installation seat and is connected and matched with the vibration plate; the vibration plate is mounted on the vibration plate installation seat; the connection assembly is fixed on the side surface of the spiral feeding mechanism; and the vibration plate installation seat is suspended on the connection assembly through the steel rope and is movably matched with the spiral feeding mechanism through the connection assembly. The spiral feeding mechanism of the machine can automatically clear concrete accumulated in front of a scraper, thereby reducing working resistance; and at the same time, the spiral feeding mechanism is provided with the scraper, thereby keeping the accuracy of the surface elevation of the concrete.

The invention discloses an elastic vibration-reduction ballast bed system, which comprises a concrete ballast bed and a low-frequency vibration isolator installed in the concrete ballast bed. An elastic mechanism in the low-frequency vibration isolator consists of a positive stiffness elastic element made of metal rubber or the positive stiffness elastic element and a negative stiffness elastic element which are connected in parallel. The positive stiffness elastic element is a disc spring, a spiral spring, the metal rubber, a metal rubber-spring armour, a metal rubber-lead core composite spring or any series-parallel combination of the disc spring, the spiral spring, the metal rubber, the metal rubber-spring armour and the metal rubber-lead core composite spring. The negative stiffness elastic element is a disc spring or a diaphragm spring. The elastic vibration-reduction ballast bed system can meet requirements of middle-high-grade vibration reduction and has a simple structure. The site construction process is simple and convenient, and consumed materials of the ballast bed are relatively reduced. Therefore, the elastic vibration-reduction ballast bed system is low in construction cost and suitable for popularization and application in the whole line.

The invention belongs to the field of gas pressure measurement, and relates to a sensor temperature drift compensation method and a pressure sensor box. The pressure sensor box comprises a box body part and a circuit part, wherein the box body part consists of a pressure sensor [2] and an aviation plug [1]; and the circuit part is a compensation circuit consisting of an MAX 1452 chip and a peripheral circuit. According to the sensor temperature drift compensation method provided by the invention, calibration of temperature drift can be realized according to sensor characteristics, and the algorithm is simple and effective; and sensor full-range output temperature drift before correction of the temperature compensation method is 4 percent within a range of -40 to 125 DEG C, and the compensation accuracy can reach 0.5 percent after the compensation by the algorithm. The pressure sensor box integrates the gas pressure measurement of multiple passages, and has the advantages of simple structure, high sensitivity, excellent dynamic response characteristic, high overload resistance capacity, high measurement reliability, wide working temperature range and the like.

The invention relates to a mud stirring device for planting loquats, in particular to a quick mud stirring device for planting loquats. Mud can be uniformly stirred by the quick mud stirring device for planting the loquats, and the quick mud stirring device is novel in structure and high in stirring speed. The quick mud stirring device for planting the loquats comprises a left frame, a bottom plate, a right frame, a first slide rail, a stirring frame, first sliders, a push rod, a second slide rail, second sliders, a second rack, a large belt pulley, a tooth-missing gear and the like. The left frame, the first slide rail and the right frame are sequentially arranged on the top of the bottom plate from the left to the right, the first sliders are slidably connected onto the first slide rail, and the stirring frame is arranged on the tops of the first sliders. The quick mud stirring device has the advantages that the mud can be uniformly stirred by the quick mud stirring device, and the quick mud stirring device is novel in structure and high in stirring speed; the mud can cover saplings of the loquats, the root systems of the saplings can be protected, transpiration of water can be reduced, and accordingly the survival rate of the loquats can be increased.

The invention relates to a unified power quality control device employing a resonant electronic switch, and belongs to the technical field of power electronics and flexible alternating current transmission and distribution. The device comprises the resonant electronic switch, a voltage source converter, an energy storage unit and a master control system, wherein the master control system consists of a master controller and a plurality of sensors; the resonant electronic switch comprises a group of inductors Lr1 and Lr2, a group of capacitors Cr1 and Cr2 and a group of bidirectional thyristors T1; a branch formed by connecting the bidirectional thyristors T1 in series with the inductor Lr2 and the capacitor Cr1 is connected in parallel with the inductor Lr1; and a parallel branch formed by Lr1, Lr2, Cr1 and T1 is connected in series with the capacitor Cr2. A method comprises the steps of judging various power quality faults and controlling the device to quickly switch and operate among four modes. The device has the advantages of simple structure, low cost, high overload resistance and high operation efficiency.

The invention relates to agricultural mechanical equipment for efficient screening of soybean seeds. The agricultural mechanical equipment comprises a left frame, a bottom plate, a first collecting frame, a right frame, a first sliding rail, a first sliding block, a screening plate, a second sliding block, a second sliding rail, a second collecting box, a fixing plate and the like. The left frame is welded to the left side of the top of the bottom plate, the right frame is welded to the right side of the top of the bottom plate, and the first collecting frame is placed in the middle of the top of the bottom plate. The agricultural mechanical equipment has the beneficial effects that the structure is novel, the screening speed is high, and the soybean seeds are not damaged; and a worker can achieve efficient screening work on the soybean seeds through the equipment, operation is simple, and in addition, time and labor are saved.

The invention relates to an airborne turret with an in-built CCD camera and a forward looking infrared device and a control system thereof, wherein, the airborne turret comprises a turret main body. The invention is characterized in that the main body is internally provided with a pitching control cabinet; the middle of the pitching control cabinet is provided with a fixed clapboard; a visible light CCD camera system and a forward looking infrared system are respectively arranged at two sides of the fixed clapboard of the pitching control cabinet; the optical axes of the visible light CCD camera system and the forward looking infrared system are coaxial; a rotating direction control cabinet is internally provided with a pitching control shafting parallel with the optical axes; the side of a pitching control main shaft is provided with a pitching top image stabilization control system; the upper side part of the main body is provided with the rotating direction control cabinet which is internally provided with a direction control shafting along a longitudinal direction; and the side of a direction control main shaft is provided with a direction top image stabilization control system. The airborne turret has stable operation, clear image and precise positioning, can cruise all day long, and can output a visible-light video image and a medium-wave infrared thermal image, thereby achieving all-weather and all-day detection and tracking of a remote target.

The invention discloses an unmanned rice transplanter automatic steering control system and a control method thereof. The control system includes a main controller, a CAN bus communication unit, a GPS, an on position machine, a sensor module and a steering control module; the CAN bus communication unit is used for providing preset steering parameters, real-time display rice transplanter positions,speed, a handle position and the other information of the on position machine for the main controller; the GPS is used for determining the present position of the rice transplanter and transmitting the information to the on position machine, and the on position machine compares deviation of the present position and the target route; and the sensor module is used for transmitting the real-time operating information of the rice transplanter to the main controller. Compared with the prior art, the unmanned rice transplanter automatic steering control system and the control method thereof has thecharacteristics that a servo motor is used for controlling steering, the system structure is simple, the modular design is carried out and the maintenance is convenient.

The present invention relates to the technical field of the micro mechanical electronics, in particular to a piezoresistive high g-value accelerometer which resolves the problems that the structure of the existing accelerometer can not meet the demand of properties like high fixed frequencies, high flexibility and high bearing of lateral acceleration at the same time. The accelerometer comprises a Silicon-based frame, an elastic girder, and a quality block that is hung at the middle of the silicon-based frame by dint of the elastic girder; wherein, the end part of the elastic girder is provided with a voltage-dependent resistor that forms a Wheatstone bridge, the width of the elastic girder is the same with the width of the quality block, but the thickness of the elastic girder is smaller than the thickness of the quality block, the backside of the quality block is provided with a concave slot. The present invention has simple reasonable structure and good anti-overloading ability; and avoids being disabled under the circumstance of serious striking. Moreover, the production technique is quite simple, which is suitable for high-range accelerometer.

The invention relates to an inertia measurement unit, in particular to a minisize embedded inertia measurement unit having the anti-high overload performance, which solves the problems of low installation accuracy and poor anti-overload performance of the existing inertia measurement unit. The minisize embedded inertia measurement unit having the anti-high overload performance comprises an installation body, three accelerometers and three spinning tops, wherein the installation body is an integrated structure; the installation body is provided with three concave platforms for accommodating the three accelerometers, three concave platforms for accommodating the three spinning tops, a hollow bus routing structure, a hollow outlet structure and a hollow embedment structure; the three accelerometers are respectively installed on the three concave platforms thereof, and the three spinning tops are respectively installed on the three concave platforms thereof. The invention effectively solves the problems of low installation accuracy and poor anti-overload performance of the existing inertia measurement unit, and is especially applicable to the guidance-function reconstruction and application of high-overload weapons such as cannonballs and the like.

The present invention discloses the application of electric eddy current sensor in measuring liquid pressure, and the application can meet the requirement in measuring pressure and liquid level of high viscosity and low flowability slurry fluid in high temperature, high pressure, high frequency response and other conditions, and has high overload resistance, high measurement precision, wide measurement range and high stability. The present invention has elastic diaphragm set in the lower part of outer side wall of liquid container and communicated with the measured liquid; horizontal metal link rod with one end fixed to the elastic diaphragm and the other end near the electric eddy current sensor with one horizontal interval in between; and processing circuit module connected to the output of the electric eddy current sensor. The present invention may be applied widely in various liquid pressure and level measuring fields.

The invention relates to a stirring friction forging additional material manufacturing method and device of nano reinforcing composite materials. The device comprises four parts including a stirring friction additional material main shaft, an isothermal forging mechanism, a gantry type rack and a workbench; the stirring friction additional material main shaft is used for realizing mixing, preheating and supplying of powder or granular materials, conducting friction squeezing of materials output from a material supplying hole, and using friction heat and pressure to realize layer-by-layer additional material forming manufacturing; the isothermal forging mechanism is used for realizing isothermal forging and micro reshaping of an additional material layer; the gantry type rack is used for fixing the stirring friction main shaft and the isothermal forging mechanism and for realizing advancing as well as swaying angle adjustment of the stirring friction main shaft and the isothermal forging mechanism along the Y axis and the Z axis; and the workbench is used for fixing a substrate and realizing advancing of the substrate along the X axis. The method and the device can realize high-efficiency and high-quality additional material manufacturing of light alloy powder or granular materials, and have the advantages of higher efficiency, simple and convenient operation and lower energy consumption.

The invention provides a cable connector using an insulation-piercing mode to connect cables, the connector body is manufactured by using aluminum casting alloy and is externally coated with an insulating layer, the connector body comprises a main connecting body, a clamping body is connected on the main connecting body by connecting bolts, clamped innerarc surfaces are arranged at the positions where the main connecting body and the clamping body are contacted with cables and are intensively provided with clamped prickling pins which are casted and shaped at the same time with the main connecting body and the clamping body, the main connecting body is provided with a threaded mounting hole, the clamping body is provided with a fan-shaped connecting hole, the outer side of the clamping body is arranged in an arch shape, and the connecting pressure of the connector is undertaken by the aluminum alloy body. The invention has the advantages that the clamped prickling pins are sued to pierce the cable insulating layer and be communicated with a conductor on the premise of not stripping off the cable insulating layer, so that cables can be connected rapidly and effectively. The invention has the advantages of strong anti-overloading capacity, good copper-aluminum transition performance and favorable reducing joint performance.

The invention provides a ceramic packaging structure and a pressure sensitive apparatus shell of the ceramic packaging structure, and relates to a packaging structure of the pressure sensitive apparatus shell, in particular to the pressure sensitive apparatus shell of the ceramic packaging structure. Accordingly, the problem that in the prior art, the pressure sensitive apparatus shell is prone to corrosion and oxidation when used at a high temperature or the pressure sensitive apparatus shell is influenced by thermal mechanical stress is solved. Ceramic is adopted to serve as an insulating material of the ceramic packaging structure, a metallization layer is sintered on the surface of the ceramic at a high temperature, and the metallization layer and a metal shell are sintered through solder, such as nickel or gold or Ag-Cu, serving as a transition material to form a sealing structure. The pressure sensitive apparatus shell comprises a lead, the metallization layer, a seal ring, the solder, a ceramic body, a transition layer and a tube base, wherein the metallization layer is arranged on the junction surface of the ceramic body and the tube base, the ceramic body and the metallization layer are sintered to form a whole under a high temperature, the transition layer is formed between the metallization layer and the tube base through the sintering effect of the solder, and the lead and the surface of an inner hole of the seal ring are sintered to form a whole through the solder.

The invention provide a novel insulated cable which is high in fire-resistant performance, high in overload protecting capacity, high in working temperature, high in anti-radiation capacity and excellent in shielding performance. The novel insulated cable comprises at least one cable core conductor, fire-resistant layers, insulating layers, oxygen-barrier layers, wrapping layers and filling layers, wherein each cable core conductor is formed by winding at least two aluminum alloy cable cores, each fire-resistant layer is a double-sided flourophlogopite belt, each insulating layer is a ceramic fire-resistant composite belt, each oxygen-barrier layer is a ceramic fire-resistant composite belt, each wrapping layer is a vitreous fiber belt, each filling layer is made of vitreous fibers, at least one fire-resistant layer and at least one insulating layer are sequentially wound outside each cable core conductor, the cable core conductors form an overall cable core, at least one oxygen-barrier layer and at least one wrapping layer are sequentially wound outside the overall cable core, and the space between the cable core conductors and the space between the overall cable core and the oxygen-barrier layers are filled with the filling layers.

The invention relates to a punching device, in particular to a precision hardware punching device and aims at achieving the technical purpose of providing the precision hardware punching device convenient to operate and capable of punching flat sections and reducing burrs. To achieve the above technical purpose, the precision hardware punching device is provided and comprises a left frame, a containing table, a bottom plate, a first nut, a rocking handle, a screw, a push block, a pressing block, an electric push rod, a cutter, a sliding block, a fixing plate, a first connecting rod and the like. The left frame is welded to the left side of the top of the bottom plate. The containing table is welded to the left side of the top of the bottom plate and located on the right side of the left frame. A groove is formed in the lower portion of the right side of the left frame. The first nut is welded to the lower portion of the left side of the left frame. A rotation motor is used for driving a first rotation shaft to rotate, the first rotation shaft drives a first bolt and a second bolt to rotate, and the first bolt and the second bolt drive a second nut and a third nut to move towards the middle from the two sides correspondingly.

The invention relates to a stirring device, in particular to a quick stirring device for water purifier assembling. According to the stirring device for water purifying equipment assembling, time and labor are saved, uniform smearing is easy, and smearing is convenient. The quick stirring device for water purifier assembling comprises a top plate and the like. A lifting mechanism and a bracket are arranged at the bottom of the top plate; the lifting mechanism is located on the left portion of the bracket; a stirring rod is arranged at the bottom of the lifting mechanism; a supporting rod is arranged on the left side of the bracket and connected with the lifting mechanism; a bottom plate is arranged under the bottom of the top plate; a stirring box is arranged on the top of the bottom plate; and the right side of the top of the bottom plate is connected with the bracket. According to the quick stirring device, a sealing ring and Vaseline are more conveniently stirred, so that the Vaseline is smeared on the sealing ring more evenly, and the sealing ring and the Vaseline can be stirred more quickly.

The invention belongs to the technical field of dry battery production, particularly relates to a raw material sealing and mixing device for the dry battery production technology and aims at providing the raw material sealing and mixing device for the dry battery production technology, wherein the raw material sealing and mixing device for the dry battery production technology is easy to operate, small in workload and uniform in mixing. The device comprises a bottom plate, supports, a first large belt wheel, a first rotating shaft, a rotation motor, a first flat belt, a first small belt, a first bearing block, a second rotating shaft, a second bearing block, a sliding block, a sliding rail, a first cover, a second cover, a lower protrusion, a closed ring and the like. A left frame is welded to the left end of the top of the bottom plate, and the supports are symmetrically welded to the right side of the top of the bottom plate. The top ends of the two supports are connected with the sliding rail in a bolt connecting manner. According to the raw material sealing and mixing device, the effects of simple operation, the small workload and uniform mixing are achieved; and the raw material sealing and mixing device has important functions that a good mixing effect is achieved, in addition, the work efficiency is improved, and safety is high.

The invention discloses a cable connector for directly connecting cables by way of piercing cable insulation, which has an integral aluminum alloy structure produced by casting and comprises a connector main body. The connector main body comprises a main connector, the main connector is provided with a clamped intrados contacted with a cable, and conical clamping piercers which are arranged axially and intensively in a certain radial radian and simultaneously cast with the main connector are arranged on the clamped intrados; the middle part of the clamped intrados of the main connector is provided with limit sheets which are simultaneously cast with the main connector, the main connector is provided with a screw hole and connected with a clamping body by a connecting bolt; the clamping body is provided with a clamped intrados contacted with the cable, and conical clamping piercers which are arranged axially and intensively in a certain radial radian and simultaneously cast with the clamping body are arranged on the clamped intrados. The cable connector of the invention has the advantage that: the electrical connection of the electrical connection part which cannot bear the cable tension is rapidly and effectively completed by piercing the insulation to directly reach a conductor with the conical clamping piercers under the condition that the end insulation of the cable is not stripped.

The invention relates to tailoring equipment and in particular relates to leather shoe shell fabric tailoring equipment for leather shoe processing. The invention aims to provide the leather shoe shell fabric tailoring equipment for leather shoe processing, wherein the position of the leather shoe is easily fixed when the leather shoe is formed and the equipment is conveniently used by shoe-making personnel. In order to solve the technical problem, the invention provides the leather shoe shell fabric tailoring equipment for leather shoe processing. The leather shoe shell fabric tailoring equipment for leather shoe processing comprises a top plate, a tailoring device, a bottom plate, a placing table, a clamping device and the like, wherein the placing table is arranged on the top of the bottom plate, the top plate is arranged right above the bottom plate, the tailoring device is arranged on the bottom of the top plate, and the locking device is mounted on the bottom of the tailoring device. The equipment provided by the invention is simple to operate and convenient for the shoe-making personnel to use, and a new tailoring blade is conveniently replaced by the shoe-making personnel and the tailoring blade can be fixed well.

A one-chip type quartz resonance pressure / temperature sensor and a technological method for a one-chip force sensor are disclosed, and the invention relates to a pressure / temperature sensor. A problem that a conventional resonant type quartz crystal pressure / temperature sensor is large in size, high in technological difficulty, low in precision and poor in stability can be solved. According to the one-chip type quartz resonance pressure / temperature sensor and the technological method for the one-chip force sensor, a cut model of a high stability force sensitive-thermosensitive quartz crystal, a structure of a high quality factor one-chip type force sensitive-thermosensitive resonator, a pressure / compressing force conversion structure, and a quartz low stress seal structure and technology are adopted; the low stress seal structure and technology are adopted; excellent elasticity of the quartz crystal, an SiC layer, monocrystalline silicon, borosilicate glass and Kovar alloy can be used while semiconductor technologies are employed. Although silicon and quartz materials are not equal in thermal expansion coefficient, buffering effects of the amorphous state SiC layer are used, and thermal stress of the quartz pressure / temperature sensor can be greatly lowered. The one-chip type quartz resonance pressure / temperature sensor is suitable for serving as the pressure / temperature sensor and the technological method for the one-chip force sensor can be applied to the pressure / temperature sensor.

The invention relates to a cleaning device, which includes a support rod, a bottom plate, a first motor, a bracket, a waste water frame, a right frame, a push plate, a rotating shaft, a first water pipe, a first one-way valve, a cylinder body, and a second one-way valve etc.; the left end of the bottom plate top is welded with a strut, the upper end of the strut is welded with a cylinder body, and the right wall of the cylinder body is symmetrically connected with the first elastic member up and down through the connection mode of the hook. The invention achieves the effects of novel structure, convenient operation, and no damage to medicinal materials. Workers can realize quick cleaning work during medicinal material processing through the device, which is not only simple in operation, but also saves time and effort.

The invention provides an iron base friction plate for a motorcycle clutch which is sintered by an iron-base powder metallurgical material. The formula comprises the following compositions of the iron base friction plate in percentage by weight: 1.0 to 6.0 percent of manganese, 0.2 to 1.5 percent of carbon, 1.0 to 5.5 percent of copper, respectively more than 0 but less than 10.0 percent of one or a plurality of compositions of silicon, molybdenum, chromium, nickel, lead, ferric sulfide, tungsten, silicon dioxide, calcium sulfide and asbestos, and the balance being iron, with a density range of the friction plate of between 6.2 and 7.2g / cm<3>. The friction plate uses iron as a base with low cost, which is only one sixth to one tenth of the cost of a copper base material; with the adoption of a powder metallurgy technology, the manufacturing process of the iron base friction plate is simpler than that of the copper base friction plate. A dual disc matched with the friction plate is made of a mild steel disc, and is subject to nitridizing heat treatment or soft nitriding heat treatment on the surface, with a thickness of a nitration case of the dual disc more than or equal to 0.005mm and hardness of the dual disc more than or equal to 350HV0.1. The friction plate can be used under a wet condition, not only has a higher friction coefficient (0.09 to 0.13), but also has excellent wearing resistance, and can be used in the motorcycle clutch.

The invention belongs to the technical field of attitude measurement application in the navigation technology, and in particular relates to a combined attitude measurement method in a high dynamic environment. In the method, a Hall sensor and a measurement unit for attitude measurement of a measured object are used for basic data acquisition, and the attitude of the measured object is calculated based on basic data.The method disclosed by the invention can be used for overcoming the cost and volume limiting of a spinning projectile correction system in the high dynamic environment to fill up atechnical gap, can replace a conventional attitude measurement method to satisfy the resolving accuracy in practical application, and has the expectable relatively huge economic value and social value.