171results about How to "Simple and reliable installation process" patented technology

The invention relates to an intermediate connector of an optical fiber composite high-voltage cable, which comprises a conductor connecting member, an insulating and stress balancing unit and a metal outer case, wherein the conductor connecting member is a pipe with one longitudinal H-shaped section, the middle part of the pipe is equipped with a partition board, two sides of the partition board are cavities communicated with the outside, two conductor ends of the high-voltage cable can be respectively disposed in the cavities on the two sides of the partition board inside the conductor connecting member, the outside of the conductor connecting member is sequentially connected with the insulating and stress balancing unit and the metal outer case, and the partition board is equipped with at least one passage contained in the high-voltage cable conductor for penetrating with an optical cable. The intermediate connector realizes electrical and optical connection of the optical fiber composite high-voltage electric cable.

The invention relates to a bamboo-structure single-layer spherical latticed shell and an assembling method. The bamboo-structure single-layer spherical latticed shell structurally comprises L bamboo rod pieces, M bamboo connecting pieces and N fixed hinge supports, wherein a single-layer spherical latticed shell main body is formed in a way that two ends of each radial bamboo rod, each weft bamboo rod and each diagonal bamboo rod of the L bamboo rod pieces are connected through the bamboo connecting pieces; the bamboo connecting pieces comprise steel inserting pieces, hollow balls, stiffening steel sheets and bolts; arc-shaped notches are reserved at one ends of the steel inserting pieces and are welded on the hollow balls; bolt holes are reserved at the other ends of the steel inserting pieces, and the bolts are respectively connected to the radial bamboo rods, the weft bamboo rods and the diagonal bamboo rods through the bolt holes; the stiffening steel sheets are welded in connecting positions between the steel inserting pieces and the radial bamboo rods, the weft bamboo rods as well as the diagonal bamboo rods; the upper ends of multiple fixed hinge supports are arranged on the hollow balls of the bamboo connecting pieces which are arranged at the bottom part, and the lower ends of the multiple fixed hinge supports are arranged at the top part of a supporting structure which is arranged at the lower part. The bamboo-structure single-layer spherical latticed shell disclosed by the invention has the advantages that the self weight is light, the construction is convenient, the structural stress is reasonable, the safety is high, the connecting joint is simple and reliable, the maintenance is easy, and environment-friendly effects are realized.

The invention belongs to the field of tool clamps, and provides an engine valve lock clamp disassembling tool and method. The engine valve lock clamp disassembling tool comprises a valve-spring retainer pressing head (1), a valve lock clamp pressing head (2) and a handle (10). The valve-spring retainer pressing head (1) is a barrel body with a stepped through hole formed in the center. The valve lock clamp pressing head (2) is located in the center through hole in the valve-spring retainer pressing head (1), the upper end of the valve lock clamp pressing head (2) is sleeved with a lock clamp pressing head spring (3), the valve lock clamp pressing head (2) is of an electromagnet structure, the handle (10) is arranged at the upper end of the valve-spring retainer pressing head (1), and a power source used for controlling the electromagnet to be powered on and off is arranged and corresponds to the valve lock clamp pressing head (2). The problem that the surfaces of a valve rod and a valve lock clamp are scratched in the disassembling and assembling process of the valve lock clamp is avoided, and the service life of the valve lock clamp and the service life of an engine are prolonged.

The invention provides a device for improving the diffusion homogeneity of gas in a vacuum chamber. The device comprises one or more stacked diffusion parts with a plurality of gas through holes, wherein the diffusion parts are matched with the corresponding cross sections of the spaces of the vacuum chamber in shape and size, so that the vacuum chamber is divided into two spaces by the diffusion parts, and a gas lead-in hole and a vacuum orifice are formed in the two spaces respectively. The invention further provides plasma process equipment provided with the gas diffusion homogenization device; the gas diffusion homogenization device is mounted in a space between the inner wall in the vacuum chamber and the lower bottom surface of a lower electrode; a gas lead-in device and the vacuum orifice are formed in the two spaces respectively; and the upper end surface of the lower electrode and the gas lead-in device are positioned in the same space. The diffusion homogeneity of the gas in the vacuum chamber is effectively improved in a simple way of configuring the diffusion parts, so that the plasma process homogeneity is remarkably improved. Compared with the conventional technical solution, the mechanisms involved in the invention are easy to realize, the machining and mounting operations are simple and reliable, and the cost is also remarkably reduced.

The invention discloses a visual experiment device suitable for low-temperature gas-liquid two-phase mixing and belongs to the field of gas-liquid two-phase flow. The visual experiment device comprises an upper filler neck, a lower filler neck, a gas intaking pipe, an upper sealing flange tool, a lower sealing flange tool, a connecting screw, an inner-layer glass tube, an outer-layer glass tube and a vacuum tube, and further comprises a sealing washer and a sealing ring. Two ends of the inner-layer glass tube and two ends of the outer-layer glass tube are connected to the upper sealing flange tool and the lower sealing flange tool in a radial sealing manner, an air inlet of the inner-layer glass tube adopts a drilling manner and is simply processed, and furthermore, the problems of difficulty in controlling the precision due to welding of an intake pipe and easiness in rupture of a branch pipe in an installation process are avoided, and the installation is simpler and more reliable; the upper sealing flange tool adopts the design of a gas-collecting ring at the air inlet of the inner-layer glass tube, so that the airflow distribution is more uniform, the installation difficulty is reduced and the different mixing work conditions can be implemented; through arranging the vacuum tube, the problem of influence of frosting of a wall surface under low temperature on observation is avoided.

In a method of moulding a sole of a plastic material and a welt on a shoe upper (1) a mould (3) is used. The mould (3) includes at last (2), upon which a shoe upper (1) is arranged, an upper mould part (5) divided along a longitudinal middle plane and thus includes two halves (5a, 5b) being laterally movable in relation to the lower mould part (4) between an open and a closed mould position, and a lower mould part (4) being vertically movable in relation to the upper mould part (5) between an open and a closed mould position. For carrying out the method an annular shoe welt (6) is provided and arranged in the mould in the mould's open position. The two halves (5a, 5b) of the upper mould part (5) are closed and the lower mould part is moved into its closed position. As a result a circumferential support surface (7) on the upper face of the lower mould part (4) co-acts with a pressure surface (17) on the lower face of a projection (15) on each half (5a, 5b) of the upper mould part such that the portion of the welt (6) facing the shoe upper (1) it tilted inwards and downwards to bring the inner end face of the welt (6) into sealing engagement with the lower side section of the shoe upper (1). The shoe sole is then moulded in a manner known per se by supplying a plastic material to the cavity of the mould.

The invention discloses a folding wing mechanism. The folding wing mechanism comprises folding wings and a folding mechanism which is used for providing power for the deploying of the folding wing andlimiting the deploying absolute limit; the folding mechanism comprises a limiting buffer column; and when the folding wings deploy to the absolute limit, the folding wings are blocked by the limit buffer column. According to the folding wing mechanism, the upper wing and the lower wing are driven by a central arm torsion spring to simultaneously deploy, torsion arms are respectively assembled with torsion spring mounting holes on the upper wing root and the lower wing root, the installation is simple and reliable, and the environmental dependency is small; a lock pin assembly is used as a locking mechanism after the wing surface opens, the structure is simple, the size is small, the reliability is high, the replacement is easy, the unlocking is simple, the wings can be quickly folded after the unmanned aerial vehicle is recycled, and recovery of the unmanned aerial vehicle is completed; the mature product needle roller end bearings are used to reduce friction, the frictional resistance of the opening process is reduced, and the rapidity and the synchronism of the opening process are ensured; and the whole folding mechanism is high in integration degree, simple in mechanism, smallin size, simple in assembly and simple and convenient to operate, and meets the requirements of the cylindrical launching unmanned aerial vehicle for folding wings.

An airplane wheel speed simulation device comprises a servo motor, a shifting fork, an airplane wheel hub, an airplane wheel speed sensor, a servo driver, a motion controller and a control box. The servo motor is arranged on the end face of one end of a cover plate, and the airplane wheel speed sensor is arranged on the end face of the other end of the cover plate. One end of a connecting sleeve of the shifting fork is arranged and fixed to a rotor moving shaft of the servo motor in a sleeved mode. The servo motor is coaxial with the shifting fork and the airplane wheel speed sensor. An output connection terminal of the servo driver is connected with an electrical socket of the servo motor through a cable. An input connection terminal of the servo driver is connected with a connection terminal of the motion controller through a cable. On the premise of not changing the work environment of the airplane wheel speed sensor and not damaging an original airborne equipment structure, real wheel speed signals are provided for a brake system, the development period is shortened, the development and test comprehensive level of the airplane wheel brake system is improved, and the airplane wheel speed simulation device has the advantages of being low in cost, high in efficiency, safe and reliable.

The invention relates to a turnover unilateral bolt fastener. The fastener comprises a round head bolt, and a turnover gasket assembly, a sleeve, a washer and a nut which sequentially sleeve the roundhead bolt along the axial direction of the round head bolt, wherein the turnover gasket assembly comprises a turnover cooperating body, and a plurality of turnover gaskets which are evenly distributed on the turnover cooperating body along the circumferential direction of the turnover cooperating body and are rotatably connected with the turnover cooperating body; the turnover gaskets are matchedwith the sleeve. Compared with the prior art, the turnover unilateral bolt fastener adopts a design of a special structure comprising the turnover gaskets, the turnover cooperating body and the sleeve, and the inclined plane of the sleeve is matched with the inclined planes of the gaskets, so that the turnover gaskets are enabled to accurately overturn during work, and installation failure is avoided; the turnover unilateral bolt fastener can realize rapid and accurate unilateral fixed connection by means of the overturning moment of the plurality of turnover gaskets, and the problem of boltmounting failure under certain special working conditions is solved; furthermore, the turnover unilateral bolt fastener is simple and reliable in installation process, convenient to disassemble, reusable, good in mechanical properties and large in bearing capacity.

The present invention relates to a composite atomizing plate and a manufacturing method thereof. The composite atomizing plate comprises a metal substrate and a piezoelectric ceramic ring piece fixed to an upper surface of the metal substrate. A first through hole is formed in a central region of the metal substrate, while a second through hole is formed in a central region, corresponding to the first through hole, of the piezoelectric ceramic ring piece. A positive pad and a negative pad are also disposed on an upper surface of the piezoelectric ceramic ring piece separately. The composite atomizing plate also comprises a polyimide film that is fixed to the upper surface of the metal substrate and that completely covers the first through hole. A plurality of atomizing pores are formed in the polyimide film with two ends of each atomizing pore communicating with the first through hole and the second through hole, respectively. The composite atomizing plate has the characteristics of good corrosion resistance and good flexibility; thus, net breaking or broken net fragments may be avoided during high-speed vibration. The micropores for atomization may have a pore size of 1 micron minimum, and normative and uniform pore distribution can be ensured, such that particles ejected have a smaller diameter.

The invention discloses a universal support of automobile seats. The support comprises a fixing seat fixed below a headrest of the seat and an insertion disc component which is connected with the fixing seat in an inserted mode and used for being connected with display equipment, an insertion disc box used for fixing the insertion disc component and buckles used for clamping headrest supporting rods are arranged inside the fixing seat, and the buckles are slidably connected in the fixing seat through sliding rails; after the headrest supporting rod are sleeved with the fixing seat, the buckles slide along the sliding rails to the positions of the supporting rods and clamp the supporting rods, and the insertion disc component connected with the display equipment is connected to the fixing seat through the cooperation with the insertion disc box. The universal support can adapt to different types of automobiles, the headrest supporting rods of different types can be installed effectively, the installation process is simple and reliable, in addition, the installation of the support does not affect the original adjustment function of the headrest, therefore, by means of the universal support, the entertainment function of the back row of the automobile is added, all the functions of the original automobile are not affected, the problems that an existing support is inconvenient to install and the functions of the original automobile are affected are avoided, meanwhile, the method that an original support manufacturer has to specially customize a kind of support according to each type of automobile is avoided, so that the production cost is greatly reduced, and a broad market prospect is achieved.

The invention discloses a thermal expansion valve with a unidirectional control function. The thermal expansion valve comprises a valve body having an inlet passage and an outlet passage, a temperature sensing part disposed at one end of the valve body, and a first spool part disposed in an inner cavity of the valve body. The first spool part comprises a valve stem and a first spool; the valve stem is abutted to the temperature sensing part; the first spool coordinates with a first valve port in the inner cavity to control the quantity of medium fluid flowing from the inlet passage to the outlet passage. The valve body further comprises an accommodating portion extending from the inlet passage to the inside of the valve body. The accommodating portion is provided with a second valve port and an internal second spool part. A limit bushing is arranged between the valve stem and the valve body in a sleeving manner. The limit bushing inwardly extends into the accommodating portion to limit the opening position of the second spool part. When the medium flows from the inlet passage to the outlet passage, the second valve port is closed; when the medium flows from the outlet passage to the inlet passage, the second valve port is open. Compared with the prior art, the thermal expansion valve has the advantages that operational reliability is effectively improved on the premise of improving manufacturability.

The invention provides an intelligent electronic control air suspension system for a commercial vehicle. The intelligent electronic control air suspension system is composed of an integrated ECU, an air compressor, a three-in-one sensor, a rigidity-variable air spring, an air supply pipeline, a wiring harness, a key, an air storage tank, a pressure sensor and the like. The height, air pressure andtemperature of the air bag are monitored in real time through the three-in-one sensor. By comparing the height of the air bag with the storage height in the system and combining the current vehicle state and road conditions, inflation and deflation of the air bag are controlled to achieve adjustment of various vehicle body heights. Rigidity adjustment of the air bag is achieved through on-off ofa built-in electromagnetic valve of the air bag, the phenomena of side tilting and nodding during turning and braking are avoided, and both vehicle driving comfort and control stability are achieved.The axle load of the vehicle is accurately calculated through the air pressure value of the air bag, overload alarm is conducted, and the overload problem of the commercial vehicle is better avoided.The temperature of the air bag is monitored in real time, the health degree of the air bag is simulated, and intelligent service is provided for the air suspension.

The invention relates to a compound oil cylinder and a refuse compactor thereof. The compound oil cylinder comprises a cylinder body, a first-stage piston rod assembly and a second-stage piston rod assembly, wherein the first-stage piston rod assembly separates an inner cavity of the cylinder body into a first-stage cylinder rodless cavity and a first-stage cylinder rod cavity; the second-stage piston rod assembly separates the inner cavity of the first-stage piston rod assembly into a second-stage cylinder rodless cavity and a second-stage cylinder rod cavity; in the extending process of the first-stage piston rod assembly, the first-stage cylinder rodless cavity and the second-stage cylinder rodless cavity are cavities which are not mutually communicated, and the first-stage cylinder rod cavity and the second-stage cylinder rod cavity are cavities which are not mutually communicated; the first-stage cylinder rodless cavity is communicated with a first-stage independent oil inlet, and the first-stage cylinder rod cavity is communicated with a first-stage independent oil outlet; the second-stage cylinder rodless cavity is communicated with a second-stage independent oil inlet, and the second-stage cylinder rod cavity is communicated with a second-stage independent oil outlet. The refuse compactor comprises a refuse box, a compacting device, a driving device and a push shovel, wherein the driving device uses the compound oil cylinder. The invention has simple and compact structure and high control accuracy and can piecewise realize the positions required by parts, and the like.

The invention discloses a thermostatic expansion valve with the one-way control function. The thermostatic expansion valve with the one-way control function is characterized in that a valve body (1) further comprises a containing portion (16) extending to the inner portion of the valve body (1) from an inlet channel (11), a second valve port (15) is formed in the containing portion (16), a second valve element component (5) is arranged in the containing portion (16), an inner cavity (13) is communicated with an outlet channel (12) through a first communicating channel (31), the containing portion (16) is communicated with the outlet channel (12) through a second communicating channel (32), the outlet channel (12) and the first communicating channel (31) are arranged in a parallel communicated mode, and the outlet channel (12) and the second communicating channel (32) are arranged in a parallel communicating mode. Compared with the prior art, the thermostatic expansion valve with the one-way control function has the advantages that the containing portion of the second valve element component is an extending portion of an inlet channel on the valve body, a hole does not need to be formed additionally, the structure is convenient to machine, the second valve element component is simple and reliable in installation, and the hidden danger of outward leakage is reduced; meanwhile, the first communicating channel and the second communicating channel are arranged parallel to the outlet channel in a communicated mode, so that the resistance of fluid is reduced and the environment of a flow path system is improved.

The invention discloses a tension tester for a pre-twisted hardware fitting. The invention relates to the field of pre-twisted fittings. The tester comprises a base, a supporting frame, a protective door body and a control device. The supporting frame is fixedly installed on the base. The control device is fixedly installed on one side of the supporting frame. A protective door body is mounted onthe front side of the supporting frame through a hinge; a tension hydraulic rod vertically facing the interior of the supporting frame is fixedly installed in the middle of the base, correspondingly-arranged test clamps are installed at an upper end of a piston rod of the tension hydraulic rod and the top of the supporting frame respectively, and a buffer protection mechanism is installed at the position, located at a tension device, of the base. According to the invention, the test fixture which is conveniently connected with the pre-twisted hardware fitting is arranged, the convenience degree of the test and installation of the pre-twisted hardware fitting is improved, the buffer protection mechanism can buffer and unload the tension, protect the tension hydraulic rod which generates thetension, prevent the tension hydraulic rod from being damaged due to instantaneous counter tension, and prolong the service life of the device.

The invention provides a grille screen and a method for detecting bricklaying mortar plumpness through the grille screen and belongs to the relevant technical field of inspection and detection of constructional engineering. The technical problem that an existing grille screen is inconvenient to use is solved. The grille screen comprises a screen frame in a rectangular plate shape. One side of the screen frame is provided with multiple meshes arranged adjacently and evenly distributed. All the meshes are identical in size. Connecting columns are fixedly arranged on the screen frame. The grille screen further comprises a disposable transparent film, the transparent film is rectangular, the length of the transparent film is not smaller than that of the screen frame, and the width of the transparent film is not smaller than that of the screen frame. The transparent film can be connected to the connecting columns and is laid on the side face, with the meshes, of the screen frame. The invention further discloses a specific use method of the grill screen. The grille screen does not need to be washed during use, and is more convenient and rapider to use.

The invention discloses a motorcycle exhaust pipe heat insulating apparatus, which comprises heat insulating cotton used for covering an outer surface of an exhaust pipe and a heat insulating apparatus used for covering an outer surface of the heat insulating cotton, wherein the heat insulating apparatus comprises two heat insulating plates that are set oppositely and a fixation apparatus I used for fixing the two heat insulating plates on the heat insulating cotton; and inner surfaces at two sides of one heat insulating plate are respectively connected to outer surfaces at two sides of the other one heat insulating plate. According to the invention, the structure is simple; by adding the heat insulating cotton, the heat insulating plates and an exhaust pipe protective cover, a driver is prevented from being scalded by the high temperature exhaust pipe; the potential safety hazard of scalding accident can be effectively eliminated; in addition, the connection is firm and reliable; and the installation is simple and reliable.

The invention relates to a vibration damping part of a washing machine. The vibration damping part comprises a vibration damping unit, a first lifting rod and a second lifting rod. The vibration damping unit comprises a body and a vibration damping element, wherein the vibration damping element deforms relative to the body to provide a damping acting force. One end the first lifting rod is connected to the vibration damping element. One end of the second lifting rod is connected to the body. The other end of the first lifting rod is mounted to a washing machine tank body and the other end of the second lifting rod is mounted to a washing machine outer barrel. The invention also relates to a washing machine provided with the vibration damping parts. The washing machine also, at least, comprises the washing machine tank body and the washing machine outer barrel, wherein the washing machine tank body is provided with installing structures matching the first lifting rods and connected to the first lifting rods and the washing machine outer barrel is provided with installing structures matching the second lifting rods and connected to the second lifting rods. The vibration damping partoccupies less space and is not liable to collide with an internal structure of the washing machine, so that noise generated during a clothes washing process can be reduced.

The invention discloses a magnetic gathering type non-magnetic track linear motor. The main structure of the magnetic gathering type non-magnetic track linear motor comprises a rotor and a stator. The motor is mainly characterized in that a plurality of permanent magnets in an iron core of the rotor are mounted in a specifically designed mounting mode and magnetizing directions, and the rotor and the stator are assembled at specific relative positions, so that the magnetic gathering effect of the plurality of permanent magnets is remarkable, a relatively high permanent magnetic field utilization rate and a relatively small magnetic leakage coefficient are obtained, and the thrust density is obviously increased. The magnetism gathering type non-magnetic-track linear motor has the advantages of being high in thrust density, small in thrust fluctuation, low in cost, easy to machine and assemble, reliable in operation, easy to expand multiple modules and the like.

Provided is a lifting appliance for lifting and carrying a container. The invention relates to the empty container lifting appliance having high-performance tapered end mechanisms. The lifting appliance includes a carriage, a fixing arm, a left telescopic arm, a left floating arm, a right telescopic arm, a right floating arm and telescopic oil cylinders; each floating arm includes an oil cylinder, a tapered end, an address recognizing piece, a box-landing signal switch and the like, wherein one side of the tapered end is provided with a security protection mechanism, the security protection mechanism includes a guide seat, and the guide seat is internally provided with an upright movable lifting pin, one side of the top of the lifting pin is provided with a protruding-outward positioning block, the top of the lifting pin is provided with a blind hole, the blind hole is internally insertedly provided with a guide rod, and the guide rod is sleevedly provided with a spring. With adopting of the lock catch type fixing tapered ends and the security protection devices, on one hand, the shear-bearing capacity of lock catches is utilized to replace the screw thread pair bending resistant capacity, on the other hand, precision positioning of vice springs is utilized and the guide structure is optimized, so that the strength of the tapered end mechanisms is increased, and the security of the tapered end mechanisms is greatly improved.

The invention discloses a permanent-magnet switch reluctance motor with an axially-magnetized rotor. The permanent-magnet switch reluctance motor comprises a motor shell, a stator and the rotor, wherein the motor shell is fixed on an engine base, a left end cover and a right end cover are arranged at two ends of the motor shell, the stator comprises a left segment of stator core, a right segment of stator core and an intersegment magnetic yoke, the left segment of stator core and the right segment of stator core have same structures, the intersegment magnetic yoke is arranged between the two segments of stator core, the left segment of stator core and the right segment of stator core are connected to the whole stator by the intersegment magnetic yoke, the motor rotor comprises a rotor shaft, a magnetic isolation lining sleeve, a left segment of rotor core, a left segment of rotor core and a permanent-magnet cylinder, the left segment of rotor core and the right segment or rotor core have same structures, the permanent-magnet cylinder is arranged between the two segments of rotor core and is axially magnetized, the left end cover and the right end cover are connected with a left extension end and a right extension end of the rotor shaft via bearings, the magnetic isolation lining sleeve sleeves the rotor shaft in a fastening way, and the left segment of rotor core, the permanent-magnet cylinder and the right segment of rotor core sequentially sleeve the magnetic isolation lining sleeve in a matching way. The permanent magnet is simple and reliable to install and is good in magnetic isolation effect, many magnetic poles are involved during running of the motor in a working condition, the electromagnetic energy conversion area is wide, the efficiency is high, and power density is large.

The invention discloses an automatic detection device for a motor. The device consists of self-inspection magnetic steel, a self-inspection coil and a self-inspection shaping circuit, wherein the self-inspection magnetic steel is embedded in the outer circumference of a motor rotor and rotates along with the motor rotor; the self-inspection coil is arranged on an axial end face of a cavity of a motor instrument float assembly to generate induction electromotive force; and the self-inspection shaping circuit which is arranged outside the motor is used for amplifying, comparing and shaping the induction electromotive force generated by the self-inspection coil of the motor, performing frequency division and then outputting a detection signal. The self-inspection magnetic steel is made of a hard magnetic material; the magnetized magnetic steel has lasting and stable magnetic property; the self-inspection magnetic steel is easy and reliable in mounting; the self-inspection coil is arranged on the axial end face of the cavity of the float assembly; and the float assembly is provided with a mounting hole special for fixing the self-inspection coil, so that the self-inspection coil has a reliable adhesion position, and the problem of unreliability in adhesion of the self-inspection coil is completely solved. The device is applicable to self-inspection modes of various gyroscopic instrument motors, is easy to design, process and manufacture, and facilitates real-time monitoring of an overall process of a starting state and a working state of the motor in a gyroscopic instrument.

The invention discloses a permanent magnet generator rotor comprising a shaft, an iron core (2) and the permanent magnet steel (3). The iron core (2) is made by punching a ring-shaped silicon steel sheet and is stacked into the cylinder shape; the top surface and the bottom surface of the iron core (2) are pressed by pressing plates (1) and (4); the matched parts of the middle parts of the pressing plates (1) and (4) and a rotating shaft are welded and fixed together; a plurality of permanent magnet steel (3) whose poles are arranged alternatively are fixed on the outer circumference of the iron core (2) uniformly; the permanent magnet steel (3) is shaped like both a trapezoid and a rectangle; after the poles of the permanent magnet steel (3) are positioned, the periphery of the permanent magnet steel (3) is sealed with epoxy resin. The permanent magnet generator rotor is integrally in the shape of a cylinder, uses less permanent magnet steel, has good magnetic performance and high specific power and a lighter than the permanent magnet generator rotor having the same power, keeps uniform gap (air gap) with the inner cavity of a stator, can be easily and reliably processed and mounted, can output larger power than the permanent magnet generator rotor having the same weight and is suitable for the wind power generator which is mounted on a pole.

The invention relates to the technical field of motor controllers and in particular relates to a motor controller. The motor controller comprises a controller shell, wherein a thin-film capacitor component, an IGBT (Insulated Gate Bipolar Translator) component and a direct-current busbar are arranged in the controller shell; a cooling bottom plate is arranged at the bottom of the controller shell;a capacitor cooling chamber, an IGBT cooling chamber and a busbar cooling chamber are formed in the cooling bottom plate; the capacitor cooling chamber and the busbar cooling chamber respectively correspond to the positions of the thin-film capacitor component and the direct-current busbar isolated above the cooling chambers one by one; the bottom of the IGBT component is correspondingly insertedinto the IGBT component cooling chamber. According to the motor controller disclosed by the invention, the controller shell is designed and produced by adopting a high-pressure aluminum alloy castingprocess, and the motor controller is light in weight, compact in structure and high in power density; the bottom of the shell adopts a full water cooling design, the heat exchange area is enlarged, and the heat exchange efficiency is improved; a universal water pipe joint with an adjustable position is arranged on the controller shell, so that the cost of development is reduced, and the adaptability of the product is improved.

Disclosed in the invention is a solar cell frame comprising corner connecting elements and frames connected with the corner connecting elements. The corner connecting elements include first plugging portions, second plugging portions, and corner joints connecting the first plugging portions and the second plugging portions at certain angles; buckles clamped with the frames are arranged at the outer surfaces of the first plugging portions and the second plugging portions; and clamp grooves are arranged at corresponding positions of the frames. First slots and second slots extend from the corner joints, wherein the first slots and the second slots can be inserted into solar panels; and extending portions that can be inserted into the solar panels are arranged at corresponding positions of the frames. Because of the buckles arranged at the outer surfaces of the first plugging portions and the second plugging portions of the corner connecting elements, insertion and clamping into the clamp grooves at the corresponding positions of the frames can be realized successfully, so that the solar panel installation becomes simple and reliable. Moreover, on the basis of firm connection of the corner connecting elements and the frames, high strength and rigidness of the whole frame of the solar cell can be ensured, the connecting structure is firm and reliable, and the installing efficiency is high.

A coupling agent heater comprises a heating part and an outer shell containing the heating part. The heating part comprises a heat transmission part containing coupling agents and a heating film covered on the heat transmission part. The outer shell is provided with a connecting matching structure connected with ultrasonic equipment. According to the coupling agent heater, the heating film is covered on the heat transmission part, so that heat energy can be evenly transmitted to the heat transmission part to heat the coupling agents to improve heating efficiency, due to the fact that the connecting matching structure of the outer shell is connected with the ultrasonic equipment, the coupling agent heater can be located and stabilized, and mounting is easy and reliable. In addition, the invention further provides the ultrasonic equipment using the coupling agent heater.

The invention belongs to the technical field of mechanical transmission, and relates to a non-contact type transmission device with high coaxiality. The device is mainly suitable for power transmission occasions with higher coaxial transmission precision requirement, higher transmission stability requirement and higher sealing performance requirement. The device comprises an isolation sleeve, an inner transmission shaft, a small bearing b, a small shaft sleeve, an inner rotor, a permanent magnet A, a reference shaft, a retaining plate, a large bearing b, a bearing cover, a large shaft sleeve, an outer rotor, a mounting plate, a permanent magnet B, a small bearing a and a large bearing b. The device has the advantages that by using the same reference shaft as the reference, the inner rotor, the outer rotor and the isolation sleeve are arranged, so the purpose of improving the transmission coaxiality and the transmission stability of the transmission device is realized, and meanwhile, the processing difficulty is reduced; the outer rotor adopts a tooth-arranged straight groove structure with a rectangular cross section, and the permanent magnet B is fixed by the mounting plate and is embedded in the straight groove structure, so the processing and the disassembly are simple; the coaxiality between an input shaft and an output shaft is high, the resistance moment is small, the sealing performance is reliable, and the non-contact type power transmission with high coaxiality is realized.

The invention discloses a sealing covering cap for an opening of an outer hanging point of a plane. A sealing plate component and a locking device are both located in a shell. Two inner guiding rails and two outer guiding rails in the sealing plate component are installed on sealing plates through guiding rail rollers correspondingly and fixed to the lower surface of a sealing plate cover plate through wall plates which are located on the inner guiding rails and the outer guiding rails correspondingly, so that all the sealing plates are fixedly connected with the sealing plate cover plate. The sealing plates can move horizontally in the shell through the inner guiding rails and the inner guiding rail rollers. Sealing tension springs in the sealing plate component are installed on hooks on the upper surfaces of the sealing plates correspondingly and located on the outer sides of the two inner guiding rails. The sealing covering cap is kept to be in an open state after a hanger is installed and can be closed automatically after the hanger is thrown and is kept to be in a closed state all the time in the flying process after the hanger is thrown. By the adoption of the sealing mechanism, the stealth performance and the aerodynamic performance of the plane can be remarkably improved, and the reliability is high.