163results about How to "Reliable structural design" patented technology

The invention discloses a device for reversing and clutching and an exogenic action type washing machine being produced by the device for reversing and clutching. The device for reversing and clutching comprises a front axle unit, a rear axle unit, a crank rocker unit and a switching unit, wherein a front axle large chain wheel of the front axle unit drives a rear axle chain wheel of a rear axle unit to rotate through a rear chain. On the basis of the device for reversing and clutching, the washing machine is characterized in that a driving wheel is installed on a rear axle front end head, a driving belt is used to be sleeved on the driving wheel of the device for reversing and clutching and a belt wheel of the washing machine, a device which can regulate a wire drawing position to drive a shift arm to act is fixed on a washing machine body, moreover, an external force supply unit device which is fixedly installed is also arranged, and a transmission chain is used to be sleeved on bicycle chain wheels and a front axle small chain wheel of the device for reversing and clutching. Fitness equipment and the washing machine are ingeniously combined together, so that energy resources are reasonably utilized, the cost is lowered, and the requirements of energy saving and environmental protection and body building of users in the current society can be satisfied.

The invention discloses a microchannel heat exchanger, which comprises two collector tubes, a plurality of flat tubes and a plurality of fins, wherein the ends of the two collector tubes on the same side are respectively provided with a refrigerant inlet and a refrigerant outlet; the flat tubes are orderly arranged between the two collector tubes in the longitudinal direction of the collector tubes, and each flat tube is provided with a plurality of flow holes which are respectively communicated with the two collector tubes; each fin is arranged between adjacent flat tubes; and the flow resistance of the flat tubes gradually decreases from the inlet and outlet of the collector tubes, thereby balancing the flow resistance in each flow path. The invention effectively solves the problem of nonuniform refrigerant flow distribution, and preventing unfavorable partial heat emission from affecting the heat exchange efficiency of the complete machine. Preferably, the variation in the flow resistance of the flat tube is the variation of flow area of the flat tube. Preferably, the density of each flat tube is changed, so that different partial regions have different refrigerant flows. The invention has the advantage of reasonable and reliable structural design.

The invention discloses a design finalization external protective frame system used for assembly type building construction. The design finalization external protective frame system comprises a horizontal protective device, a supporting device and a vertical protective device, wherein the supporting device is supported below the horizontal protective device, and the vertical protective device is arranged on the side face of the horizontal protective device. The horizontal protective device comprises a foot plank frame body formed through welding of square steel and foot planks laid on the foot plank frame body, a row of square steel sleeve pipes are welded outside the foot plank frame body, and skirting boards are fixed between the square steel sleeve pipes. The vertical protective device comprises protective screening frame bodies formed through welding of square steel and protective screenings fixed to the protective screening frame bodies, and the bottom of the vertical square steel in the protective screening frame bodies is inserted into the square steel sleeve pipes. According to the design finalization external protective frame system used for assembly type building construction, a design finalization external protective frame is reliable in structural design, few in materials, convenient and quick to mount, low in using cost and high in safety factor, construction is conducted on the ground or in a room, the construction working face is not occupied, and construction period shortening is facilitated.

The invention relates to a flexible welding jig device for an automotive body. The welding jig device is characterized in that a guide shaft is fixed on a seat of an X-directional adjustable seat component and a locating pin hole is opened on the seat; a slide seat of a Y-directional adjustable slide seat component is sleeved on the guide shaft of the X-directional adjustable seat component and connected with the seat through a lock bolt; a supporting seat of a Z-directional adjustable supporting seat component is sleeved on the guide shaft of the Y-directional adjustable slide seat component and connected with the slide seat through a lock bolt; a graduation fluted disc is arranged in a swing locating mechanism of a swing mounting seat component and meshed with a graduation locating block arranged in the supporting seat, resetting and locking are achieved through a spring and a screw, and a slide shaft is arranged in a clamping slide bushing in the Z-directional adjustable supporting seat component and connected through a locking screw on the side; a rectangular hole system with an interval of 100mm is arranged on a hole system seat board, and a flexible and adjustable support is connected with the seat board in a locating mode through the hole system. The flexible welding jig device has the advantages of being reliable in structural design, convenient to weld, operate and adjust, high in adaptability, and capable of greatly shortening the design and production period of the welding jig of the automotive body and effectively reducing equipment cost for welding technique of the automotive body.

The invention relates to an anti-theft device by utilizing infrared detection and directions to trigger alarms, which can particularly effectively achieve the aim of sending off an alarm if illegal and no alarm if legal. A plurality of infrared emitters distributed in rectangular frames or non-rectangular frames and a plurality of corresponding infrared receivers form an infrared barrier detector net, and a front infrared receiving head and a rear infrared receiving head in each infrared receiver are respectively a triggering infrared receiving head and a non-triggering infrared receiving head; when a person or an object enters from the direction of the triggering infrared receiving head, an infrared triggering head triggers the infrared barrier detector net to send off the alarm, and when the person or the object enters from the direction of the non-triggering infrared receiving head, the infrared triggering head does not trigger the infrared barrier detector net to send off the alarm.

The invention discloses a hydraulic seat seal permanent open hole packer and an open hole well-completion packing method, wherein the packer comprises a central spindle with an axial through hole, the central spindle is connected with a first joint at one end, is connected with a second joint at the other end, is sheathed with a left push slip, a first metal expansion bowl, a first assisting rubber barrel press ring, a first assisting rubber barrel, a first retainer, a main rubber barrel, a second retainer, a second assisting rubber barrel press ring, a second assisting rubber barrel, a second metal expansion bawl, a shearing ring, a piston and a stopping ring in sequence from the first joint, and is provided with a first pressure conduction hole and a first slip corresponding to the first left push slip, a support ring is arranged between the main rubber barrel and the central spindle, an outer barrel is sheathed outside the piston, is connected with the second joint at one end and is connected with the shearing ring at the other end, and the central spindle is provided with a second slip corresponding to the piston and a second pressure conduction hole positioned between the stopping ring and the piston. The hydraulic seat seal permanent open hole packer disclosed by the invention is fast and durable.

The invention discloses a deformer iron core cleaning device. The deformer iron core cleaning device comprises an iron core conveying mechanism, a movable transfer mechanism, an iron core cleaning mechanism, a supporting column, a slide table, a motor fixing frame, a supporting column foundation, a fixed supporting column, an adjustable supporting fixing frame, an outer ring moving slide rail, aninner ring moving slide rail, an arc-shaped slide rail, a three-phase asynchronous electric motor, a belt wheel, a belt, a bearing base, a long rotary shaft and a cleaning brush, wherein the movable transfer mechanism transfers an iron core on the iron core conveying mechanism to the iron core cleaning mechanism to clean; and then, the movable transfer device transfers the cleaned iron core to theposition of the cleaning brush from a circular rail to subject to drying and cleaning treatment. In a using process, the deformer iron core cleaning device is highly automatic, can regulate working space range according to the size of the iron core flexibly, is reliable in mechanical structural design, is relatively great in applicable dimension range, is long in service life, and is simple to maintain.

The invention discloses a liner-type bottle cleaning machine, which comprises a frame, a water and air supplying device, a bottle input mechanism, a bottle input dial wheel mechanism, a circulating transmitting mechanism, a reciprocal tracking mechanism, a bottle output dial wheel mechanism, a tracking cleaning mechanism, an electrical control box and a power device, wherein the bottle input mechanism, the bottle input dial wheel mechanism, the circulating transmitting mechanism, the reciprocal tracking mechanism, the bottle output dial wheel mechanism, the tracking cleaning mechanism, the electrical control box and the power device are arranged on the frame, the bottle input mechanism is connected with the bottle input dial wheel mechanism, one portion of an upper bottle sending rail which is on the circulating transmitting mechanism is matched and connected with the bottle input dial wheel mechanism, the other portion of the upper bottle sending rail is matched and connected with the bottle output dial wheel mechanism, the tracking cleaning mechanism which is connected with the reciprocal tracking mechanism is located between the upper bottle sending rail and a lower bottle sending rail of the circulating transmitting mechanism, a water and air controlling device is arranged on a pipe line of the water and air supplying device which is connected with the reciprocal tracking mechanism and the bottle input dial wheel mechanism, the circulating transmitting mechanism, the reciprocal tracking mechanism, the bottle output dial wheel mechanism and the tracking cleaning mechanism are connected with the power device through an actuating mechanism. The invention is the linear-type bottle cleaning machine with simple and compact structure, small occupying space, wide applying range, low noise, high automation level and working efficiency and good operational quality.

The invention discloses a magnetocardiography probe, which solves the problem that a probe device needs to be horizontally and longitudinally moved time after time when finishing one time MCG base point measurement, thereby easily generating measurement error. The invention comprises a non-magnetic Dewar casing (3), a fixed support (5), a main sensor (8) and a reference sensor, wherein the fixed support (5) is arranged on the non-magnetic Dewar casing (3), a vacuum insulating layer (4) is formed between the non-magnetic Dewar casing (3) and the fixed support (5), the main sensor (8) comprises six SQUID sensors which are arranged side by side in line along the bottom center line of the fixed support (5), and the reference sensor is composed of one or two SQUID sensors. A first-order or second-order gradient meter is constituted by the main sensor (8) and the reference sensor to realize the function of signal detection. The probe device is moved on a direction to finish the measurement of 36 MCG base points when measuring the MCG. The invention has the advantages of reasonable structure and design, high measuring precision and simple operation.

The invention relates to a novel stand column type cantilever crane which comprises a base. Universal sliding wheels and connecting plates are arranged on the base. Supporting legs are connected with the connecting plates. The base is connected with a stand column through a lifting bottom table and a lifting device. The stand column is provided with a motor fixing seat and a drive motor. The drive motor is connected with a fixing buckle A. The fixing buckle A is connected with a fixing buckle B through screw rods and nuts. The fixing buckle B is connected with a transverse rod which is connected with an inclined rod. The lower end of the inclined rod is provided with a longitudinal rod A, a longitudinal rod B, a longitudinal rod C and a longitudinal rod D. The longitudinal rod D is connected with a sliding rail and a sliding cable. The sliding cable is connected with a lifting hook through a steel wire rope. The lower end of the longitudinal rod D is connected with a cantilever beam. The cantilever beam is connected with an electric block and is connected with a connecting base through a connecting pillar. The connecting base is connected with a sliding block and an annular guide rail. A clamping hook is hinged to the connecting base, and an annular clamping rail is connected with the clamping hook. The novel stand column type cantilever crane has the beneficial effects of being reasonable in design, comprehensive in function, stable in structure, wide in use range, easy and convenient to operate and convenient to demount and mount.

The invention relates to a dry optical fiber ribbon loose tube air blowing molding device. The air blowing molding device is characterized by comprising a plastic extruding device and an air blowing device; the air blowing device includes an optical fiber ribbon guide pipe, a front positioning end cover, an air blowing device tank, a back positioning end cover and an air supply component connected with the air blowing device tank; the front positioning end cover and the back positioning end cover are respectively arranged at two ends of the air blowing device tank; and the optical fiber ribbon guide pipe penetrates through the whole air blowing device tank. The device is skillful in whole structural design, can satisfy the production of both optical fiber small sleeves and optical fiber ribbon large sleeves, and is convenient for disassembly and assembly.

The invention discloses a robot buffering foot with adjustable pretightening force. The robot buffering foot comprises a foot bottom supporting rod, a foot basic joint, a pretightening adjustment adapter sleeve, a pretightening adjustment buffer sleeve, and an adapter sleeve anti-loosening spring, wherein the foot bottom supporting rod performs a supporting and connecting function; the foot basicjoint is cooperated with the foot bottom supporting rod through a foot end buffer spring; meanwhile, the top of the foot basic joint is connected with a power source; the pretightening adjustment adapter sleeve is arranged on the lower part of the food basic joint in a sleeving manner and is cooperated with the foot basic joint through a thread; the pretightening adjustment buffer sleeve is arranged on the foot bottom supporting rod in a sleeving manner; the adapter sleeve anti-loosening spring is positioned in the pretightening adjustment adapter sleeve for carrying out loosening prevention;after the lower part of the foot bottom supporting rod penetrates through the adapter sleeve anti-loosening spring and the pretightening adjustment adapter sleeve, the foot bottom supporting rod is connected with a foot bottom ball through a foot bottom ball connecting sleeve; and the outer circumference of the upper part of the foot bottom supporting rod is provided with one circle of first groove in which a plurality of supporting rod lubrication balls are arranged. The robot buffering foot has the characteristics of reliable structure, good buffering and vibration resistance ability, adjustable pretightening force and convenience in maintenance, adjustment and replacement.

The invention discloses a naked eye packer. The naked eye packer comprises a core shaft with an axial through hole, wherein one end of the core shaft is connected with a first joint and the other end is connected with a second joint; a left shearing ring, a limit ring, a first auxiliary rubber cylinder pressing ring, a first auxiliary rubber cylinder, a first packing ring, a main rubber cylinder, a second rubber cylinder, a second rubber cylinder rubber cylinder, a right shearing ring, a piston and a check ring are sequentially sleeved on the core shaft from the first joint; a first pressure transmitting hole and a first slip which correspond to the left shearing ring are formed in the core shaft; a supporting ring is arranged between the main rubber cylinder and the core shaft; an outer sleeve is sleeved on the piston; one end of the outer sleeve is connected with the second joint and the other end is connected with the shearing ring; a second slip corresponding to the piston is arranged on the core shaft; a second pressure transmitting hole is also formed in the core shaft and is positioned between the check ring and the piston. The rubber cylinder is high in loading capacity.

The invention particularly relates to a rocket composite simulation test device which solves the problem that an existing micro-miniature rocket flight process is affected by environmental forces and sequentially, simulation is difficult. The rocket composite simulation test device comprises an organic glass intake pipeline with a flaring-shaped upper end portion. A rocket carrier is arranged in the organic glass intake pipeline and a high-speed motor is arranged above the rocket carrier. A suspension wire is connected to the output shaft of the high-speed motor and the other end of the suspension wire is connected with the rocket carrier. A laser source which aligns with the tail end of the rocket carrier is arranged beside the high-speed motor. An electromagnet is arranged on the outer side wall of the organic glass intake pipe. A blind hole is formed in the middle of the tail end of the rocket carrier. Dry ice is put into the blind hole and a tail stopper is arranged at one end portion of the blind hole and provided with an exhaust hole. The bottom of the organic glass intake pipeline is connected with a ventilation pipeline in a threaded mode. The other end of the ventilation pipeline is provided with an adjustable air valve which is communicated with the ventilation pipeline. The other end of the adjustable air valve is connected with an air source through a pipeline. Posture variation of the rocket carrier when the rocket carrier is disturbed can be visually observed with the rocket composite simulation test device.

The invention discloses a vehicle-mounted communication-in-motion polarized tracking adjusting apparatus. A polarized rotation shaft is mounted on a polarized tracking adjusting apparatus mounting bracket; the polarized rotation shaft comprises transmission waveguide; one end of the transmission waveguide is connected with a feed source loudspeaker while the other end of the transmission waveguide is assembled with a polarized transmission gear; the transmission waveguide is assembled with a sleeve; a bearing is arranged between the transmission waveguide and the sleeve; the sleeve and the polarized tracking adjusting apparatus mounting bracket are fixedly connected; the outside of the polarized transmission gear is connected with an antenna polarization driving system; an orthogonal mode coupler is connected with a Ku frequency band microwave rotary joint, and fixed on back end waveguide; the back end waveguide is connected with the polarized tracking adjusting apparatus mounting bracket; and the polarized tracking adjusting apparatus mounting bracket is also provided with a transmission apparatus. The apparatus has the characteristics of high positioning precision, compact structure, and high reliability and maintainability; polarization matching requirement of polarization tracking in high-speed and high-acceleration states can be satisfied; and degradation of performance of a transmission channel caused by polarization mismatching can be avoided.

The invention discloses an omnibearing anti-collision device suitable for an aerial working platform. The omnibearing anti-collision device suitable for the aerial working platform comprises a walking base, a hoisting mechanism, a work platform, first collision detection modules, a plurality of buffer modules, a plurality of second collision detection modules and a controller, wherein the bottom of the hoisting mechanism is arranged on the walking base, the working platform is arranged at the top of the hoisting mechanism, the first collision detection modules are arranged on the upper side of the working platform in a foldable manner, the multiple buffer modules are arranged on the peripheral side edges of the walking base and / or the peripheral side edges of the operation platform correspondingly, the multiple second collision detection modules are arranged on the multiple buffer modules correspondingly, the multiple second collision detection modules are used for detecting obstacles, the controller is used for receiving signals detected by the first collision detection modules and / or the second collision detection modules and controlling the motion state of hoisting or walking of the aerial working platform. The anti-collision measures adopted by the omnibearing anti-collision device suitable for the aerial working platform are comprehensive, and the technical problem that in the prior art, an anti-collision structure is single in design, and has limitation is solved.

The invention provides an ink jet printing head device which comprises an electromagnetic valve base and a datum plate, wherein the electromagnetic valve base is fixedly arranged on a spray nozzle shell; an ink supply channel is arranged inside the electromagnetic valve base; an ink supply electromagnetic valve is arranged on the electromagnetic valve base; the ink supply electromagnetic valve communicates with the ink supply channel; the datum plate is fixedly arranged on the spray nozzle shell and is positioned at the back of the electromagnetic valve base; an adjustable nozzle body is arranged on the datum plate; the nozzle body communicates with the ink supply electromagnetic valve; a charging electrode is correspondingly arranged at the back of the nozzle body; an ink droplet deflection mechanism is arranged at the back of the charging electrode; a recoverer corresponding to the nozzle body is arranged at the back of the ink droplet deflection mechanism; and the charging electrode, the ink droplet deflection mechanism and the recoverer are fixed to the datum plate. The ink jet printing head device has the advantages that a nozzle is convenient to adjust, the recoverer deformation is avoided, ink is prevented spilling from the spray nozzle shell, ink is conveniently heated, and the like, and is easy to mount, convenient to use, stable and reliable in operation and long in service life.

An oil damper comprises an oil storage cylinder, a pressure cylinder, a piston rod, a piston and a guide seat. The pressure cylinder is divided into a piston upper cavity and a piston lower cavity through the piston. An oil storage cavity is formed between the oil storage cylinder and the pressure cylinder. An inflation bag is arranged in the oil storage cavity, and a stretching throttling elasticvalve bank communicating with the oil storage cavity and the piston lower cavity when the piston rod stretches out is mounted at the bottom of the pressure cylinder. A compression damping adjusting elastic valve bank communicating with the piston lower cavity and the piston upper cavity when the piston rod is pressed in is mounted at the inner end of the piston rod. A compression unloading adjusting elastic valve bank communicating with the piston lower cavity and the oil storage cavity when the piston rod is pressed in is mounted at the bottom of the pressure cylinder. The rigidity of the compression damping adjusting elastic valve bank is smaller than that of the compression unloading adjusting elastic valve bank. According to the oil damper, different damping adjusting needs can be provided, and the oil damper is effective, reliable and stable in performance. The invention further provides a design method of the oil damper.

The invention provides an in-situ thrust calibrating device for the axial thrust of an inclined nozzle. The in-situ thrust calibrating device comprises a nozzle positioning plate, a standard sensor, athrust-applying oil cylinder, an oil cylinder positioning and adjusting mechanism, an oil cylinder bracket and an oblique support. The oblique support is mounted on a fixed frame. An intersection angle between the upper connecting flange plane of the oblique support and the axis of the combustion chamber of an engine is equal to an inclination angle between the axis of the inclined nozzle and theaxis of the combustion chamber of the engine. The oil cylinder bracket is fixedly installed on the oblique support. The oil cylinder positioning and adjusting mechanism is fixedly installed on the oil cylinder bracket. The thrust-applying oil cylinder is fixedly installed on the end face of the oil cylinder positioning and adjusting mechanism. The position of the axis of the thrust-applying oil cylinder can be adjusted by connecting lugs on the four sides of end face of the oil cylinder positioning and adjusting mechanism. The front end of the thrust-applying oil cylinder is coaxially connected to the standard sensor through an oil cylinder joint. The front end of the standard sensor coaxially cooperates with the nozzle positioning plate via a ball joint. The nozzle positioning plate is installed on the outlet end surface of the inclined nozzle, and the axis of the nozzle is the same as the axis of the nozzle positioning plate. The in-situ thrust calibrating device can calibrate a system error caused by the frictional resistance due to the component force of the engine thrust force in the vertical direction.

The invention relates to a multifunctional lathe cutting fluid filtration device which comprises a cutting fluid collection tank. A left supporting plate and a right supporting plate are fixedly arranged at the upper end of the cutting fluid collection tank, a first vertical support is fixedly disposed on the left supporting plate, and a second vertical support is fixedly disposed on the right supporting plate. A guide cover is disposed between a first limiting frame and a second limiting frame, a cutting fluid coarse filter screen is disposed between a third positioning bump and a sixth positioning bump, a cutting fluid refined filter screen is disposed between a second positioning bump and a fifth positioning bump, and a floating oil filter screen is disposed between a first positioningbump and a fourth positioning bump. The upper end of the rear end face of the cutting fluid collection tank is provided with a floating oil outlet, a water pump is detachably disposed on a water pumpsupport, and a liquid outlet of the water pump is in threaded connection with a cutting fluid conveying pipe. According to the technical scheme, the multifunctional lathe cutting fluid filtration device is reasonable in structural design, simple in structure and low in manufacturing cost, the filter screens are convenient to dismantle, and the multifunctional lathe cutting fluid filtration devicefacilitates clearing of cuttings and is convenient to use.

The invention is an elevator travel switch, and its characteristic: a base is fixed on a pedestal, a pin shaft arranged at the left end of the base is fixed on front and back side plates of the base, a connection rod is coated on the pin shaft, the right end of the connection rod is connected with a contact bracket, the right end of the contact bracket is connected with a manipulator, the top-end surface of the manipulator is made with a conic hole, one end of a spring is fastened on the outer side surface of the conic hole, the other end of the spring is fixed on the bottom-end surface of the base, the right end of the manipulator is connected with a bent plate, there is a round hole made in the middle of the bent plate, there is a shaft through the round hole, the shaft is fixed on the round holes of the front and back plates, the top end of the contact bracket is made with a round hole where the pin shaft is held, the pin shaft is installed with an active contact plate and a spring, there is a round cap on the two sides of the pin shaft, a static contact plate is fixed on the top-end surface of the base, a bolt at the right end of the base is provided with the active contact plate, spring and static contact plate and so on to compose a switching device. As compared with existing technique, its structure is novel, simple and reliable and low-manufacture cost, thus further assuring the safe coefficient of elevator, and it is worth spreading and applying.

The invention discloses a method and a device for storing and utilizing train brake energy. Speed reducing is performed through three-lever gear transmission, gear rotation is changed into gear translation through gear rack transmission, and spring contracting energy storage and extending energy discharge are achieved by connection of a rack and a spring. A train energy-saving brake device which utilizes spring contraction to store energy during brake and utilizes spring extension to output power during travelling is provided, and is simple in structure, low in production cost, energy-saving and efficient. By the device, train brake energy storage and utilization are achieved conveniently, flexibly and reliably, and promising popularization prospect is achieved.

A water-cooling motor shell comprises a shell and a water inlet and outlet structure. The shell is provided with several axial water channels along a circumference direction and the water channels are arranged along an axial direction of the shell. The water inlet and outlet structure is installed on the shell through a flange. The water inlet and outlet structure comprises the flange, a water inlet pipe and a water outlet pipe. The water inlet pipe, the water outlet pipe and the flange are integrated into one body. The flange is with a water blocking plate which separates the water inlet pipe and the water outlet pipe. A water inlet and outlet port flange is installed on the shell so that the water inlet pipe and the water outlet pipe are connected to one end of the water channels respectively. The water inlet pipe and the water outlet pipe are separated by the water blocking plate on the flange and are not directly connected. Water inlet and outlet port positions can be flexibly arranged according to a need and demands of the water inlet and outlet port positions of a whole vehicle are satisfied. Simultaneously, the water blocking plate of the flange is used to separate the water channels into two portions which are different to each other so that a dead water region is prevented, which is good for heat dissipation of a motor; the water inlet and outlet structure is designed to be reliable, processing and installation are convenient and maintenance is easy to achieve.

The invention relates to a pulse recoil deashing device special for air purifying equipment, which has both blowing and self-deashing function and air cleaning and purifying function, and a deashing method. The device comprises air purifying and dust removing equipment, wherein a blowing and deashing system is arranged in the dust removing equipment; a triangle positioning frame in the blowing and deashing system is fixed around the pore of pore plate; an off-line deashing cover covers the pore of pore plate and is positioned in the triangle positioning frame; the upper end of an air jacket is connected with the upper end plate of triangle positioning frame; a piston is positioned in the air jacket and can move up and down along the inner wall of air jacket under the action of pressurized air; the upper end of piston rod passes through the air jacket and is in slide fit with a limit nut in a limited way; the limit nut is communicated with an air packet through a gas-guide tube and a pulse solenoid valve; the air packet is positioned on the pore plate; the lower end of piston rod is communicated with a blowing rotary frame; and the blowing rotary frame is positioned in a filter drum, and the lower end of the blowing rotary frame is tightly pressed against a hand wheel and is in running fit with the hand wheel. The device has the advantages of realizing an air regeneration filter drum, along with low noise, novel structural design, simplicity, reliability and practicability.

The invention relates to an apparatus for escaping from a building and a high rise building and an escape method. One end of a rope in a groove of a rotating wheel in a building escape apparatus is hooked on the wall of the building or fixed on other fixed objects; a pinch roller is tightened manually to make a static friction brake assembly and a kinetic friction brake assembly and the spoke of the rotating wheel form brake combination; and an escaper is suspended on a lifting lug under the building escape apparatus through a lock sleeve, and then properly adjusts the brake force of the pinch roller to make the static friction brake assembly and the kinetic friction brake assembly and the spoke of the rotating wheel form brake downslide, and the brake force is adjustable; and when the escaper slides down synchronously with the escape apparatus, the rope positioned in the groove of the rotating wheel is released synchronously along the rotation of the rotating wheel until the escaper slides down to the ground safely.

The invention discloses an electronic lock. The electronic lock comprises a front-end structure, a lock part and a rear-end structure provided with a circuit structure inside. The lock part comprises a lock shell and a lock cylinder structure. The lock shell is divided into a front-end part, a groove and a rear-end part. The lock cylinder structure comprises a motor base and a lock shifting fork, wherein the motor base is connected with the circuit structure through a linkage rod, and the lock shifting fork is embedded in the groove and arranged on the front end of the motor base in a sleeving mode. A motor assembly is embedded in the motor base and is provided with a transmission shaft forwards. The rotary shaft is sleeved with a torsion spring capable of rotating along with the rotary shaft and moving forwards and backwards. The torsion spring is sleeved with a rear push block and a front push block, the rear push block and the front push block can move along with the torsion spring, a clutch clamping piece capable of moving along with the front push block is fixedly clamped to the front end of the front push block, a first clamping groove is formed in the front end of the motor base, and a second clamping groove is formed in the lock shifting fork. The clutch clamping piece is clamped and inserted into the second groove from the rear end, can move forwards and backwards in the first clamping groove and in the second clamping groove along with the front push block, and accordingly idling or meshing linkage between the motor base and the lock shifting fork is achieved.

The invention discloses a long-neck gas fuel spray nozzle capable of being adjusted in multiple angles. The long-neck gas fuel spray nozzle comprises a metal hose, wherein a pipe connector is fixedly connected to one end of the metal hose, and a fuel gas spray nozzle body is fixedly connected with the other end of the metal hose. The metal hose comprises a corrugated pipe which is wrapped by a layer of metal mesh surface. The metal hose is inserted into the fuel gas spray nozzle body and is connected with the fuel gas spray nozzle body in a welded manner. The wall thickness of the corrugated pipe ranges from 0.3 mm to 0.5 mm. The metal mesh face is formed by weaving metal wires, and materials are 1Cr18Ni9Ti. The metal mesh face and the end of the corrugated pipe are fixedly connected. By means of the design that the metal hose is directly welded to the spray nozzle body, assembling of pipe connectors in a gas turbine is reduced; by means of the flexible connection manner, the displacement, generated in the working process of the gas turbine, of a combustion chamber casing part and an outer duct casing part and thermal deformation of a pipeline are automatically adjusted, and the phenomenon that due to rigid connection, assembling stress is generated due to manufacturing deviation, and cracking accidents are caused due to vibration can be avoided; and the spray nozzle body and a fuel gas branch pipe can be conveniently connected, the structure is compact, and the integral design requirement of the gas turbine is met.

The invention discloses a transmission device for a novel differential rotation mop. The device comprises a mop rod connector, an annular positioning buckle, a mop head transmission shaft sleeve, a mop rotation disc, a cotton yarn fixing disc, a transmission mandrel, a differential shifting fork disc seat, a centering gear, a differential gear, an internal gear disc and a centering shaft rod. The mop head transmission shaft sleeve is driven to rotate by driving the mop rod connector to rotate, and then the transmission mandrel is made to rotate through the cooperation of a guiding spline groove and a guiding spline, so that the centering gear is driven to rotate. The internal gear disc, the centering gear, the differential gear, a coupling and a mop shifting fork constitute a speed reduction mechanism to reduce the rotating speed of the mop rotation disc and reduce driving force, and the mop can be cleaned under light pressure. The device has the advantages of being effortless in operation, simple in structure, reliable in centering and stable in rotation.