563results about How to "Improve interchangeability" patented technology

The invention belongs to the technical field of gas cylinder accessories, and particularly relates to an IV-type gas cylinder hoop and a fixing device. The device comprises a gas cylinder bandage, a radial expansion mechanism, a support, a gas cylinder support guide mechanism, a sliding base and a plurality of diameter compensation mechanisms with different thicknesses. The radial expansion mechanism is composed of a radial expansion guider I, a radial expansion compensator, a radial expansion guider II and a bandage locking nut from top to bottom, and the radial expansion compensator is a spring; a sliding groove is formed in the support. The two tail ends of the gas cylinder bandage penetrate through the corresponding sliding grooves through welded studs and are screwed to be installed on the support together with the radial expansion mechanism. The device is easy to assemble, high in efficiency, good in product interchangeability and consistency, and capable of absorbing the swelling amount of the gas cylinder in the diameter direction and the length direction due to the modular and lightweight design.

The present invention discloses a modular joint of a collaborative robot with a compact structure, which is connected in sequence: a joint housing; a joint output flange; a low-speed wire protection tube connected to the joint output flange; a harmonic reducer connected to the joint output flange and the joint housing; a motor assembly, including a stator and a rotor; a motor shaft connected to the motor rotor, one end of which is connected to the input end of the harmonic reducer; a brake assembly, which is a magnetic friction type, locks when the power is off, and opens when the power is on, and is connected to the motor shaft. Compared with the latch-type brake, it is safer to stop in an emergency and will not bend the stop pin; a motor-end encoder assembly; and a joint-end encoder assembly. The encoder code disc at the motor end of the present invention is concentrically arranged with the encoder code disc at the joint end, and the encoder reading head at the motor end is integrated with the encoder reading head at the joint end, so that the axial space of the joint is compact, the integration is high, and the wiring space is large for easy operation. At the same time, the modular joint of the present invention also has the characteristics of high rigidity and large load-to-weight ratio.

The utility model provides an automatic turning plate device of a car roof tent. The automatic turning plate device comprises a first bottom frame, a top frame, a first shear fork type lifting frame, a turning plate, a driving device, a pull rope and a torsional spring. The side portion of the first bottom frame is rotationally connected with a turning plate, a first shear fork type lifting frame is arranged between the first bottom frame and the top frame, the upper end of a first fork and the lower end of a second fork in the first shear fork type lifting frame are sliding ends located on the same side, and the two sliding ends are arranged on the top frame and the first bottom frame in a sliding mode respectively. The driving device is connected to at least one fork so as to drive the two forks to rotate, open and close around the crossed hinged position; a torsional spring is arranged between the turning plate and the first bottom frame, one end of the pull rope is connected with the sliding end, and the other end of the pull rope is connected with the turning plate. Through the cooperation of the traction force of the pull rope and the torsion force of the torsion spring, when the tent is lifted to be unfolded and folded, the turning plate is linked to be automatically unfolded and folded, the use is convenient, time and labor are saved, and the structure is simple and stable.

The utility model provides a lens focusing assembly, a camera module and electronic equipment. The lens focusing assembly comprises a first lens mounting seat, a shell and a displacement detection device. The displacement detection device adopts a magnetic sensor and three magnetic pieces (detection magnetic assemblies) to carry out position detection. Wherein the polarities of the magnetic poles on the two sides of each of the first magnetic piece and the third magnetic piece in the second direction are opposite, and the polarities of the magnetic poles on the two sides of the second magnetic piece in the first direction are opposite. And the polarity of the second magnetic piece close to the first magnetic piece and the third magnetic piece is the same as the magnetic pole polarity of the sides, facing the shell, of the first magnetic piece and the third magnetic piece. When the magnetic sensor fixedly arranged on the shell translates relative to the detection magnetic assembly fixedly arranged on the first lens mounting seat, the position of the corresponding magnetic field intensity peak value is farther away from the second magnetic piece, so that the effective detection stroke of the displacement detection device is effectively increased, and the cost is reduced.

The invention discloses a multichannel optical fiber fluorescent temperature measuring device and method for an electrostatic chuck in an etching machine, and relates to the technical field of semiconductor etching. The device comprises temperature measurement sensors arranged in different areas of an electrostatic chuck, and each temperature measurement sensor comprises a fluorescent temperature measurement head, a ceramic sleeve, a switching optical fiber, a transmission optical fiber, an optical coupling module, a photoelectric detection module and a working light source module; wherein the fluorescent temperature measuring head comprises a fluorescent layer and a heat conducting layer which are stacked, the fluorescent layer is prepared through a hot pressing sintering method, the end face of the fluorescent layer is plated with gold, the heat conducting layer comprises a copper-diamond composite material, the end face of the heat conducting layer is plated with gold and is connected with the end face of the fluorescent layer through a vacuum backflow void-free welding process, and the ceramic sleeve wraps the switching optical fiber. The end face of the ceramic sleeve is plated with gold and is connected with the fluorescent temperature measuring head through a vacuum backflow void-free welding process. By adopting the device, the temperature measurement precision can be effectively improved, the temperature measurement range can be effectively widened, and the temperature distribution on the surface of the semiconductor wafer can be accurately measured.

The invention discloses a bogie analysis and design method, and particularly relates to the field of bogie analysis and design, the bogie is divided into a wheel set axle box module, a basic braking module, a primary suspension module, a secondary suspension module, a damping device module and a remote sleeper module according to a bogie structure decomposition and standardized decomposition method; performing bogie module type identification, determining a first universal module, a second universal module and a differentiation module, performing bogie modular design according to bogie module division and bogie module identification results, generating a bogie three-dimensional model and an engineering drawing in combination with a parameterization design method, and utilizing a finite element analysis technology to obtain a three-dimensional model and an engineering drawing of the bogie; simulation analysis is carried out on key parts of the bogie, topological optimization is carried out on the structure and size of the bogie based on a unit life-death algorithm and a genetic algorithm, the design efficiency and design quality of the bogie are improved, and the reasonability and reliability of bogie design are ensured.

The invention relates to the technical field of planters, and provides a strip-shaped composite planting seeder which comprises a rack, and a ditching and fertilizing device, a seeding device and a soil covering device which are sequentially arranged on the rack, the ditching and fertilizing device comprises a plurality of furrow openers, and the plurality of furrow openers are all arranged at the front part of the rack; the fertilizer box is arranged on the rack; each fertilizer applicator is provided with a feeding opening and a discharging opening, each feeding opening is communicated with one discharging opening, a plurality of fertilizer application grooves are formed in the fertilizer applicator, after the fertilizer applicator is started, the fertilizer application grooves are sequentially communicated with the feeding openings, and each discharging opening corresponds to one furrow opener; the material beating part is arranged in the fertilizer applicator in a sliding manner, the material beating part is provided with a plurality of material beating ends, each material beating end extends into one fertilizer application groove, and the material beating part is used for beating caked fertilizer. According to the technical scheme, the problem that in the prior art, if caked fertilizer appears, the fertilizer can be blocked in the fertilizer applicator, and follow-up fertilization operation is affected is solved.

According to the rotary folding empennage of the aircraft and the using method, two or more empennages are arranged at the tail of a fuselage of the aircraft, each empennage is connected with a steering engine, each empennage is divided into a first empennage section and a second empennage section, the two empennage sections are connected through a folding and unfolding mechanism, and folding and unfolding of the empennages can be achieved. The first empennage is provided with a rotating shaft which penetrates through the fuselage tail skin to be connected with the steering engine, a gap is formed between the empennage and the fuselage tail, and when the empennage is in a folded state, the second empennage is close to the fuselage tail; when the empennage is in an unfolded state, the second empennage body rotates around the hinge to be flush with the first empennage body, after the empennage is unfolded, the empennage can rotate along with the rotating shaft under driving of the steering engine, and control over the flight attitude of the aircraft is achieved.

The invention relates to the field of mechanical equipment, in particular to a pipeline direct connection type air suspension turbine vacuum pump which comprises a shell, the shell is through in the front-back direction, a motor is installed in the shell and comprises a motor sleeve, a motor stator is installed in the motor sleeve, a motor rotor is rotatably installed in the motor stator, and an impeller is installed on the motor rotor. A radial air bearing used for supporting a motor rotor to rotate is installed in the shell, the motor sleeve and the shell are mutually spaced, a spaced cavity of the motor sleeve and the shell forms a main channel for airflow to pass through, the motor sleeve is through front and back, an inner cavity of the motor sleeve forms an auxiliary channel for airflow to pass through, and a sealing cover plate is installed on the front side of the motor sleeve. The impeller is located in front of the sealing cover plate, the sealing cover plate seals the opening in the front side of the motor sleeve, and a plurality of flow dividing holes are formed in the sealing cover plate and penetrate through the sealing cover plate. A double-channel structure is arranged in the vacuum pump, air inlet drainage can be directly used for cooling a main machine, and meanwhile the air outlet pressure of a single-channel structure is relieved.

The invention provides an air-drop data acquisition test device which comprises a projectile body, a projectile body empennage arranged at the tail of the projectile body and a power supply assembly arranged in the projectile body, a product to be tested and a data recorder are arranged at the bottom of the projectile body, the data recorder is connected with the product to be tested through an adapter, and the adapter is connected with the power supply assembly. The adapter is connected with the bottom of the projectile body so that the relative position of the to-be-tested product and the data recorder can be kept stable in the air-drop test process, and the adapter is connected with the bottom of the projectile body. The data recorder is simple in structure, convenient to operate, low in cost, easy to disassemble and assemble, high in repeated utilization rate and high in interchangeability, various data in the air-drop process can be directly collected and stored, it is guaranteed that the data recorder keeps stable and reliable in the air-drop data collection process, the failure of the data recorder in the complex atmosphere (pneumatic) environment of an air-drop test is avoided, and the data recorder is safe and reliable. And stable communication transmission between the to-be-tested product and the data recorder in the air-drop test process is ensured.

The utility model relates to an aviation starter generator and a connecting structure of a hollow shaft and a flexible shaft thereof, belongs to the technical field of aviation starter generators, and solves the problems of high processing time and cost and poor interchangeability in the prior art. According to the utility model, the flexible shaft comprises a first end and a second end, and the first end extends into a central through hole of the hollow shaft from the front end of the hollow shaft; a plurality of annular bosses are arranged on the peripheral surface of the flexible shaft; a central through hole of the hollow shaft is a stepped hole, and the annular bosses are respectively in clearance fit with one section of the stepped hole so as to ensure the coaxiality; a flat key is arranged between the flexible shaft and the hollow shaft to transmit torque; the hollow shaft and the flexible shaft are axially limited by adopting two step surfaces and are fastened by adopting bolts. The two annular bosses are adopted for guaranteeing coaxiality, the two step faces and the bolts are adopted for axial limiting, and the flat keys are adopted for transmitting torque, so that connection reliability is guaranteed, manufacturing difficulty and machining cost are reduced, and meanwhile rapid maintenance and replacement of the flexible shaft are achieved.

The invention provides a handheld laser welding device, belongs to the technical field of laser welding, and is used for solving the problems that in the prior art, a welding gun and a connector are integrated, so that the interchangeability between the welding gun and different laser hosts is greatly reduced, and the universality and flexibility of equipment are limited. The invention provides a handheld laser welding device which comprises a welding gun head and an output interface which are mutually matched and inserted, the other end of the welding gun head is used for welding, and the other end of the output interface is used for being connected with a host through a wire harness; the butt-inserting interface of the welding gun head and the output interface comprises a laser matching set, a cooling matching set, a shielding gas matching set and an electric signal matching set. The connection mode between the handheld welding gun and the laser host is optimized, and a standardized quick-plug connection interface is designed, so that high reliability of connection is reserved, and high interchangeability of the welding gun is realized.

The utility model belongs to the technical field of coal coking equipment, and particularly relates to coke oven carbonization chamber pressure monotonizing equipment which comprises an ascending pipe and a gas collecting pipe, an ascending pipe bridge pipe is installed on the ascending pipe, a first inserting opening is formed in the bottom of the ascending pipe bridge pipe, and a second socket opening is formed in the top of the gas collecting pipe. The carbonization chamber pressure monotonous valve comprises a carbonization chamber pressure monotonous valve body, a carbonization chamber pressure monotonous valve inlet and a carbonization chamber pressure monotonous valve outlet; the first adapting pipe and the second adapting pipe are correspondingly arranged at the upper end part and the lower end part of the carbonization chamber pressure monotonous valve, so that the carbonization chamber pressure monotonous valve can adapt to the installation of carbonization chamber pressure monotonous valves with different connection interface types, the seamless butt joint with the original equipment is realized, and the problem that the connection interface of the carbonization chamber pressure monotonous valve is different in style and cannot be connected with the original equipment is effectively solved. And the technical problem is brought to the work of the pressure regulating equipment of the newly added coke oven carbonization chamber of the coke oven which is put into production without stopping production.

The invention relates to a hard alloy composite roller. A hard alloy composite roller comprises a roller shaft, a roller ring and a spacer ring, a first retainer and a second retainer are arranged on the roller shaft, the roller shaft comprises at least two assembly sections which are sequentially arranged in the axial direction, the roller ring and the spacer ring are arranged on the assembly sections, and the assembly sections are located between the first retainer and the second retainer. The outer diameter of the assembly section, close to the first retainer, of every two adjacent assembly sections is larger than that of the assembly section, close to the second retainer, of every two adjacent assembly sections. A third retainer is arranged at the end of the assembly section, close to the second retainer, of every two adjacent assembly sections, and the outer diameter of part of the third retainer or the outer diameter of the whole third retainer is smaller than the outer diameter of the spacer ring or the roller ring. And the spacer ring and the roller ring are limited between two adjacent third retainers or between the third retainers and the first retainers or between the third retainers and the second retainers. The device has the advantages that assembly is convenient, the assembly effect can be guaranteed, and workers can observe and judge the abrasion degree of the middle section of the composite roller conveniently.

The invention relates to the technical field of optical fiber communication, and discloses a high-return-loss coaxial beam expanding contact which comprises a ceramic sleeve, a beam expanding lens, a slide and an optical fiber pin. The front end surface of the optical fiber pin is a first inclined surface; the rear end surface of the slide is a second inclined surface having the same inclination angle as the first inclined surface, so that the rear end surface of the slide and the front end surface of the optical fiber pin form angle adaptation and are fixed, and emergent light emitted from the front end surface of the optical fiber pin is subjected to angle correction and first-stage beam expansion; the front end face of the glass slide is a plane, the rear end face, facing the glass slide, of the beam expanding lens is a vertical plane, the beam expanding lens receives the light beam subjected to angle correction and primary beam expanding through the glass slide, and parallel light beams subjected to secondary beam expanding are emitted from the front end face of the beam expanding lens after secondary beam expanding. The high-return-loss coaxial beam expanding contact has the advantages of being low in loss, high in return loss, good in interchangeability, high in pollution resistance and stable in connection, and can be integrated in various optical fiber and photoelectric composite connectors such as circular optical fiber, rectangular optical fiber and neutral optical fiber and photoelectric composite connectors for application.

The present application relates to multispectral imaging control technical field, especially to a kind of multispectral imaging control method of large field of view multi-piece detector splicing, and each piece of detector is assigned unique address, and the spectral segment of each piece of detector is defined, and imaging controller is according to the address where detector is located is odd or even, the exposure trigger signal of each spectral segment, spectral segment selection address, imaging parameter and the selection control of image data channel are carried out.The present application does not need the intervention of external instruction etc.;It is divided into two groups of odd and even, and it is not easy to appear error relatively.;And on the hardware design, a single circuit board can meet the application requirements of project, can reduce the type of circuit board, reduce processing cost, improve the interchangeability between products at the same time, facilitate cross checking problem.

The invention discloses a passenger car one-key starting and remote control door lock control circuit and method, and belongs to the field of passenger cars. The passenger car one-key starting and remote control door lock control circuit comprises a controller and an intelligent key Y1, and the controller is connected with a whole car power source V1; the controller is connected with a brake control switch K1; the controller is connected with the starting switch K4; the intelligent key Y1 is in wireless communication connection with the low-frequency antenna T1, and the low-frequency antenna T1 is connected with the controller; the controller is connected with a vehicle speed sensor S1, the controller is connected with a starter M1, the controller is connected with a driver door unlocking motor M3, a driver door locking motor M2, a passenger door unlocking motor M5 and a passenger door locking motor M4, and the controller is connected with a left turn signal lamp LED1 and a right turn signal lamp LED2. The parts are high in universality, high in interchangeability and low in cost; external wiring and control modes are simple, and maintenance is convenient; parts are small in size, are not limited by installation space and are convenient to install; and the one-key starting controller and the remote control door lock controller are integrally designed, so that the decentralized design of a circuit is avoided.

The present invention discloses a five-in-one wiper blade, comprising a connector (100), five connecting parts and a spoiler wing (700), wherein the five connecting parts are matched with the five connecting parts respectively, and the five connecting parts respectively correspond to the wiper arm joints of five commonly used wiper systems, and the corresponding five wiper arm joints are respectively a first joint (810), a second joint (820), a third joint (830), a fourth joint (840) and a fifth joint (850); the connector (100) is matched with the second connecting part (2010), the third joint (830), the fourth joint (840) and the fifth joint (850); 0), the third connecting piece (300), the fourth connecting piece (400), the fifth connecting piece (500) and the sixth connecting piece (600) are engaged by pressing and snapping; the connector (100) comprises a hollow axle pin structure (110), a front end engaging structure (121), a rear end engaging structure (122), an intermediate engaging structure (123), a connecting piece anti-recoiling structure (130), avoidance grooves on both sides (140), and a rear end snap-fit ​​structure (150); the performance is not reduced after engagement, the interchangeability is strong, and the structure is simple.

The utility model provides a GIS isolation switch embedded monitoring device installation structure comprising a monitoring device installation housing, a cable connection cavity connected to the bottom of the monitoring device installation housing, and a circular thread observation seat connected to the side surface of the monitoring device installation housing. The bottom of the mounting shell is communicated with a cable connecting cavity, and a corrugated pipe connecting joint is connected to the lower part of the cable connecting cavity; a lighting monitoring through hole is formed in the middle of the circular threaded observation base, and a threaded connection port completely matched with threads of the GIS equipment observation window is formed in the end, away from the monitoring device installation shell, of the circular threaded observation base. The GIS switch observation window can be matched with the GIS switch observation window, the electronic monitoring device is fixedly installed on the GIS switch observation window, manual checking is not needed, a GIS disconnecting link can be observed and monitored through the electronic monitoring device, the electronic monitoring device can be protected, and normal operation of the electronic monitoring device in the open air environment is guaranteed.

The present invention discloses a torsion support structure of an intelligent electric vehicle, including a front fork, wherein the end of the front fork is provided with two left and right fork openings, the fork openings are provided with forks, the inner side and / or outer side of the fork openings are provided with torque support gasket grooves, the torque support gasket grooves are provided with corresponding torque support gaskets, the torque support gaskets are eccentric structures or any non-rotating structures, and the strength of the torque support gaskets is greater than the strength of the fork openings; the torque support gaskets are provided with closed flat square holes or open flat square grooves, and the flat square part of the motor shaft cooperates with the closed flat square holes or the open flat square grooves. The torque support gasket of the present invention shares the torque of the motor shaft, greatly reduces the damage to the fork openings of the front fork, prevents the front wheel motor from falling off after the fork openings of the front fork are deformed, and improves the safety performance of the electric vehicle.

The invention relates to a high-strength hard alloy tenon-and-mortise connection coal mine well supporting member which comprises a top arc-shaped supporting rod, a pair of bottom vertical supporting rods arranged symmetrically and a pair of middle arc-shaped supporting rods, and the supporting rods are connected in sequence. The top arc-shaped supporting rod, the bottom vertical supporting rod and the middle arc-shaped supporting rod are aluminum alloy sections with the same cross section shape. The cross section is I-shaped; strip-shaped grooves are formed in the two ends of the middle arc-shaped supporting rod, and the first connecting piece and the second connecting piece are the same in structure and are rectangular blocks provided with T-shaped grooves; the top arc-shaped supporting rod, the bottom vertical supporting rod and the middle arc-shaped supporting rod are connected in the circumferential direction. The coal mine well supporting member has the following characteristics that the safety performance is high; the supporting structure is simplified; cost is low, efficiency is high, construction comprehensive cost is reduced, and construction efficiency is improved; the materials can be repeatedly utilized; the universality and the interchangeability are high; and mixed support can be formed.

The utility model belongs to the technical field of Raman detection, and particularly relates to a Raman single-channel probe structure which comprises a probe shell, a probe cavity is formed in the probe shell, a probe tube is inserted into one end of the probe cavity, and the probe tube and the probe shell are fixedly arranged through a fixing structure. And a light path valve structure is arranged between one end of the probe tube and the interior of the probe cavity. The Raman probe is used in cooperation with the semiconductor laser and the spectrograph, Raman spectrum measurement application is achieved, samples in solid, liquid or powder shapes can be checked, the Raman probe can guarantee high repeatability of Raman spectrum measurement, the Raman probe is suitable for different samples, flexible switching can be achieved, and the detection accuracy is high. The requirements of laboratory and industrial field detection can be met; the Raman probe adopts the coaxial light path design of transmitting and receiving, so that the plugging consistency and interchangeability of the probe are effectively improved, and good acquisition efficiency and reliability are achieved.

The invention discloses a biomedicine standardized cubesat platform and a working method, and relates to the technical field of space.The biomedicine standardized cubesat platform adopts a 3U cubesat framework, the top layer of the 3U cubesat framework is provided with a satellite bus module, the middle layer of the 3U cubesat framework is provided with an energy and environmental control life support module, and the bottom layer of the 3U cubesat framework is provided with a biological experiment module; the satellite bus module is in bidirectional communication with the energy and environment control life support module and the biological experiment module through data interfaces. The satellite bus module further communicates with a ground station; the energy and environment control and life support module supplies energy to the satellite bus module and the biological experiment module through electrical interfaces, and provides oxygen supply, water supply and environment regulation and control support for the biological experiment module through a fluid transmission channel. Through a standardized and modularized cubesat structure, the functions of biological sample culture, environment regulation and control, real-time monitoring, data return and the like are integrated, and a low-cost and quick-response technical support is provided for space life science experiments.

The present invention provides a pneumatically controlled high-pressure variable flow control valve, which mainly solves the technical problems of poor flow resistance stability, weak structural interchangeability, large action response dispersion, and disadvantageous mass production of existing variable flow control valves. The control valve of the present invention comprises a valve body, a main valve assembly and a secondary valve assembly arranged in the valve body; the main valve assembly is composed of 4 main valves with the same structure, and the secondary valve assembly is composed of 2 secondary valves with the same structure; the 4 main valves are perpendicular to the central axis of the valve body, and the 4 main valves are grouped in pairs, and the two main valves in each group are located in the same circumference of the valve body, and the central axes of the 4 main valves are located on the same plane or parallel to each other. There are 2 outlets on the valve body, and the medium outlets of the two main valves located on the coaxial side of the central axis of the valve body share the same outlet. The control valve of the present invention has a compact overall structure and a small volume, and the various components have strong interchangeability, which is suitable for mass production.

The invention relates to an image processing device based on 3UVPX. The image processing device comprises a 3UVPX standard case shell, a power supply module, a control calculation module, a video conversion module and a backboard, the power supply module, the control calculation module and the video conversion module are all 3UVPX standard daughter boards; the backboard is a printed circuit board, and the daughter board is connected with the printed circuit board through a VPX connector. According to the invention, multiple paths of 3G-SDI / HD-SDI video data can be accessed, processing such as correction, cutting, rotation and data superposition can be carried out on a single-path image, splicing processing and the like can be carried out on multiple paths of images, data interaction can be carried out by accessing buses such as Ethernet, PCIE (Peripheral Component Interconnect Express) and a CAN (Controller Area Network) bus, and mutual conversion of ETH, Flexray, USB (Universal Serial Bus), a CAN bus, a serial port, RS485 and the like can be realized. Universalization and standardization of a board card module in the device are achieved, and the reliability, maintainability and interchangeability of the system are improved.

The application discloses a dual-redundancy steering engine control system for a UAV and a configuration method, comprising M steering engine controllers and N steering engines; the M steering engine controllers are connected with a flight pipe computer through a bus; each of the steering engine controllers has n channels and is connected with n steering engines; N>n, N>=M; the steering engines comprise dual-redundancy linear steering engines, dual-redundancy rotary steering engines, single-redundancy linear steering engines and single-redundancy rotary steering engines; wherein the dual-redundancy linear steering engines are connected with one channel of two different steering engine controllers respectively, the dual-redundancy rotary steering engines are connected with one channel of two different steering engine controllers respectively, and the single-redundancy linear steering engines and the single-redundancy rotary steering engines are connected with one channel of corresponding steering engine controllers. The dual-redundancy isosmorphism design is adopted, the two redundancies do not interact, work independently, the structure is simple, and the reliability is high.

The invention discloses an electric hoist driver suitable for various front mounting directions, which comprises a flip cover, a bottom layer power assembly, a film key and at least two of a first direction conversion assembly, a second direction conversion assembly, a third direction conversion assembly and a fourth direction conversion assembly, and one is selected to be assembled with the bottom-layer power assembly, the flip cover and the film key. The direction changing assemblies in different directions are selected to adapt to various electric hoists with different hoisting and wire outlet directions, the same driver is used, on the premise that the wiring direction adapts to the wire outlet direction of the hoists, the direction of an operation display interface of the driver is always kept consistent with the hoisting direction of the hoists (upward), and the operation efficiency of the electric hoists is improved. And moreover, the implementation cost is low, the universality and interchangeability of accessories such as the bottom-layer power assembly, the membrane keyboard and the flip cover are good, and the production cost and the configuration cost can be reduced.

The utility model provides a wind power yawing and variable pitch device which can solve the problems that in the prior art, a yawing and variable pitch device cannot be used universally, is complex in structure, high in production cost and difficult to install and maintain, or cannot achieve compact structure and large-torque output at the same time, the load uniformity of a last-stage planet wheel is poor, and the interchangeability of the first-stage planet wheel and the second-stage planet wheel is poor. The device comprises a motor, a planetary reducer and an output gear, the planetary reducer comprises a front shell, a rear shell and a rear cover, one end of the front shell is connected with a motor shell, the other end of the front shell is rotatably connected with the other end of the rear shell through a bearing, a first-stage inner gear ring and a second-stage inner gear ring are arranged on the inner wall of one end of the front shell, and a first-stage planet row and a second-stage planet row are arranged on the inner side of one end of the front shell; a third-level inner gear ring is arranged on the inner wall of one end of the rear shell, a third-level planet row is arranged on the inner side, and the inner diameter of the third-level inner gear ring is larger than that of the first-level inner gear ring and that of the second-level inner gear ring. Each stage of planet row comprises a planet carrier, a planet shaft, a sun gear and a planet gear, and each stage of planet gear is correspondingly meshed with each stage of inner gear ring.

The present invention belongs to the technical field of vibrating feeding devices, and discloses a material supply device, including: a conveying part, one end of which is a feeding end, and the other end is a discharging end; the conveying part is provided with a material trough from the feeding end to the discharging end, and the side wall of the material trough is provided with a material drop opening; a straight vibration feeder, which is detachably connected to the conveying part; a directional alignment part, which is detachably connected to the conveying part, and the directional alignment part is used to perform directional alignment and screening on the materials in the material trough, and the qualified materials continue to be conveyed along the material trough, and the unqualified materials are discharged through the drop opening. Compared with the vibration plate, the straight vibration feeder has less noise and is not harmful to the hearing of the workshop employees; the conveying part and the directional alignment part can be directly cut and processed, with high precision and good interchangeability; the conveying part and the directional alignment part are easier to disassemble and replace, so that different conveying parts and directional alignment parts can be replaced according to the conveying of different materials, thereby improving the flexibility of material supply.

The invention relates to a supporting system for a rectangular pier column elevated cantilever cover beam, which comprises a supporting assembly, a supporting rod assembly, a supporting rod assembly, a supporting rod assembly, a supporting rod assembly and a supporting rod assembly, and is characterized in that the supporting assembly is fixedly mounted on a pier column through a bracket assembly; the platform assembly is fixedly installed at the top end of the supporting assembly, located at the bottom end of the cover beam and suitable for construction; the bracket assembly comprises a bracket body and a connecting unit, one end of the connecting unit is embedded in the pier column, the bracket body is embedded in the other end of the connecting unit, and the bracket body is suitable for bearing the supporting assembly. The bracket body of the supporting system is accurate in mounting position and high in overall stress stability, and deformation and deviation are avoided; the supporting assembly is used for supporting the cover beam, has the advantages of being large in load capacity and good in interchangeability, can be suitable for construction of various elevated cover beams and is wide in application range. And the platform assembly is fixedly installed at the top end of the supporting assembly and the bottom end of the cover beam, construction of workers is facilitated, convenience and rapidness are achieved, a protective net is further arranged at the outer end of the platform assembly, and safety is high.