129results about How to "Improve assembly manufacturability" patented technology

The invention provides a battery mounting and fixing structure of a purely electric automobile, which comprises a rear floor front cross beam assembly, a rear floor rear cross beam, left and right rear longitudinal beams and rear longitudinal beam battery left and right mounting frames. The rear floor front cross beam assembly is mounted on the front ends of the left and right rear longitudinal beams by bolts and connected with a rear floor; the two ends of the rear floor rear cross beam are arranged on the rear ends of the left and right rear longitudinal beams by bolts and connected with the rear floor; and the rear longitudinal beam battery left and right mounting frames are welded with the middle parts of the let and right rear longitudinal beams respectively. The rear floor front cross beam assembly, the rear floor rear cross beam and the rear longitudinal beam battery left and right mounting frames are provided with battery mounting holes respectively. The fixing structure is a frame structure, can reasonably bear the weight of a battery pack and optimize the torsional rigidity of the vehicle body, and is excellent in assembly process and convenient in mounting and detachment.

The invention provides a parking device of an electric automobile, belonging to the technical field of an automobile, and solving the problems that an existing electric parking brake is weaker in braking application force, poor in acting force stability, low in locking instantaneity, complex in structure, poor in assembly performance and integration performance, and the like. The parking device of the electric automobile comprises an mounting plate and a motor arranged on the mounting plate, wherein a parking gear is fixed around a wheel axle of the automobile, a pawl matched with the packing gear is arranged on the mounting plate, a control mechanism is arranged between the motor and the pawl, and the pawl is driven by the motor through the control mechanism to swing, so that the mode that a working end of the pawl is embedded into parking gear teeth and the mode that the working end of the pawl is departed from the parking gear teeth can transform from each other. The parking device of the electric automobile is an electrical and mechanical integrated high-tech integration device, so that the device is high in technological content, simple, compact, safe and reliable in structure, high in transmission efficiency, timely in effect, good in effect, convenient to install, low in machining difficulty, and good in assembly technology.

The invention aims to provides a shaft end type torque loader, which comprises a collecting ring, a reducer, an input shaft, an output shaft, a drive motor, a base, a bearing bracket arranged outside the input shaft, an output shaft sleeve arranged outside the output shaft, an output shaft end bearing bracket arranged outside the output shaft sleeve, a harmonic reducer shell fixed outside a harmonic reducer and a planetary gear train reducer shell fixed outside a planetary gear train reducer. The collecting ring is sleeved on the input shaft. The input shaft is connected with the drive motor. One end of the harmonic reducer is connected with the drive motor, while the other end thereof is connected with the planetary gear train reducer. The planetary gear train reducer is also connected with the output shaft. Both the bearing bracket and the output shaft end bearing bracket are fixed on the base. The shaft end type torque loader can change the size and the direction of a torque at the closed end, can stably maintain a torque value at the closed end, and has an unlimited travel angle of the loading motion, capability of amplifying physical factors as well as small energy consumption and low vibration and noise in the operating process.

A four-foot walking robot comprises a rack, four mechanical legs of the same structure and an electric appliance unit, wherein the four mechanical legs are connected to four corners of the rack through rotating shafts, and the electric appliance unit is fixedly connected to the upper face of the rack. Each mechanical leg mainly comprises a rectangular annular piece, a double-parallelogram mechanism, elastic toes and three driving branch chains of the same structure, wherein the three driving branch chains are connected between the rack and the double-parallelogram mechanism in parallel through servo motor bodies and ball pairs, one set of opposite edges of the rectangular annular piece are connected to one corner of the rack, the other set of opposite edges of the rectangular annular piece are connected to the upper middle portion of the double-parallelogram mechanism, and the elastic toes are fixedly connected with the lower end of the double-parallelogram mechanism through bolts; and every three driving branch chains of the same structure each comprise a servo motor, a crank and a connection rod. The four-foot walking robot is flexible in running, high in walking speed, large in work space, high in bearing capacity and good in protective characteristic.

The disclosed fluid magnetization tube comprises: a magnetic tube with axial-magnetized magnetic rings with opposite polarity between neighbor ones, space rings of non-ferric-magnetic material and an annular tube; a high-permeability guide magnetic tube coaxial with the magnetic tube and owned a flow channel, or another magnetic tube with two magnetic rings in one section with same height and opposite magnetized direction; some members with straight or curve axis for location, fixing and guiding flow; two cove boards on both ends contained arc channels of flat shape or cylinder face to locate the tubes on both radial and axial directions. The opposite magnetization device comprises a plurality of magnetization tubes parallel inserted in the shell, and two end cap grooves to connect near tubes in series or parallel or mixture. The magnetization system uses said magnetization device and normal pump and power gear device for fluid cycle magnetization, which has high efficiency, simple structure, variable forms, small volume, light weight, and low cost.

The invention relates to a transmission with two clutches and two intermediate shafts. The transmission comprises the two clutches, a solid input shaft, a hollow input shaft, the two intermediate shafts and an output shaft, wherein the left ends of the coaxially designed solid input shaft and hollow input shaft are respectively connected with the two clutches, the right ends of the solid input shaft and the hollow input shaft are respectively connected with normally engaged gears in the transmission, the transmission has twelve speed states comprising five low-speed forward gears, five high-speed forward gears and two reverse gears, driving gears connected with the solid input shaft are simultaneously engaged with corresponding driven gears on the two intermediate shafts with relatively small transmission degree for forming the five high-speed forward gears and a high-speed reverse gear of the transmission, and driving gears connected with the hollow input shaft are simultaneously engaged with corresponding driven gears on the two intermediate shafts with relatively large transmission degree for forming the five speed-speed forward gears and a low-speed reverse gear of the transmission. An auxiliary box of the existing transmission with two intermediate shafts is omitted, the structure of the transmission is more compact, the axial size of the whole transmission is reduced, and the weight of the main body of the transmission is reduced by 5%-20%.

A cutting and separating device of a fiber-reinforced composite material structure comprises a composite material plate (1), an energy-gathered cutting cable (2), a buffer sheath (3) and a protective cover (4). The energy-gathered cutting cable (2) is mounted on one side of a separating face of the composite material plate (1), a groove is formed in the bottom edge of the buffer sheath (3), and the size of the groove is matched with the back size of the energy-gathered cutting cable (2). The outer surface of the buffer sheath (3) is sleeved with a main body part of the protective cover (4), and the main body part of the protective cover (4) and a cutting and separating part of the composite material plate (1) are fixed through an extending mounting face on one side. Energy-gathered jet flows generated by the energy-gathered cutting cable (2) cut off the composite material plate (1), and separating is completed.

The invention discloses a minitype heavy-current PCB (Printed Circuit Board) automobile relay, which comprises a base part, a magnetic circuit part, a movable spring armature part and a housing, wherein the base part comprises a base and a stationary spring fixed on the base, and the stationary spring is provided with stationary spring leading-out pins; the magnetic circuit part comprises a coil part and a yoke fixed to the coil part; the moving spring armature part comprises a movable spring and an armature fixed to the movable spring; the movable spring armature part is fixed to the yoke through the movable spring, so that the armature is arranged at a position corresponding and fit to the coil part; the yoke of the magnetic circuit part is provided with yoke leading-out pins extending integrally from the yoke to lead out an electrical signal of the movable spring; the magnetic circuit part is fixed to the base through the yoke; and the yoke is also provided with a positioning and fixing structure so that the magnetic circuit part is positioned in the transverse direction and longitudinal direction of the base. with the structure, the automobile relay has the characteristics that the size is small, the load capacity is large, the leading-out pins are good in weldability, the structure is simple, the magnetic circuit part is positioned accurately on the base, and the assembly process is good.

A submersible permanent magnet synchronous motor (1000) includes a motor casing, a stator and a rotor are correspondingly arranged in the motor casing, and two ends of the motor casing are respectively sealed and are connected to other external devices through connecting devices, such that an integrated-structure casing assembly (100) can be formed; the stator and the rotor are a stator assembly (200) and a rotor assembly (300) with multi-section type structures, respectively, the stator assembly (200) is fixed on the casing assembly (100), and the rotor assembly (300) is penetrated and arranged in the stator assembly (200); oil is injected into the casing assembly (100). By adopting the integrated-structure motor casing assembly, the stator assembly (200) and the rotor assembly (300) with multi-section type structures, the operation reliability and the performance of the motor are improved.

The invention discloses a flue gas cover liquid seal, which is used between a flue gas cover and breast boards at the inner side and the outer side of a trolley, and comprises an internal ring-shaped liquid groove and an external ring-shaped liquid groove which are respectively arranged on the breast boards at the inner side and the outer side of the trolley, as well as an internal inserting plate and an external inserting plate; the internal inserting plate is fixedly connected with an inner side plate of the flue gas cover, and the lower edge of the internal inserting plate is arranged under the liquid level of the internal ring-shaped liquid groove and is provided with a gap with the bottom of the internal ring-shaped liquid groove; the external inserting plate is fixedly connected with an outer side plate of the flue gas cover, and the lower edge of the external inserting plate is arranged under the liquid level of the external ring-shaped liquid groove and is provided with a gap with the bottom of the external ring-shaped liquid groove; and the upper edges of groove side plates of the internal ring-shaped liquid groove and the external ring-shaped liquid groove close to the flue gas cover are respectively higher than the lower edges of the inner and the outer side plates of the flue gas cover. On the basis of ensuring reliable sealing between the flue gas cover and the trolley of a ring cooling machine, the operation stability of the ring cooling machine can be improved. On the basis, the invention also provides the ring cooling machine with the flue gas cover liquid seal.

The embodiment of the invention discloses a triaxial fiber-optic gyroscope inclinometer. The inclinometer comprises a cylindrical outer pipe, an IMU short section and a data processing circuit short section which are arranged in the outer pipe, and a rotating motor short section arranged at the first end of the outer pipe. The IMU short section comprises an IMU framework. An X-axis fiber-optic gyroscope, a Y-axis fiber-optic gyroscope and a Z-axis fiber-optic gyroscope orthogonal to each other, and an X-axis accelerometer, a Y-axis accelerometer and a Z-axis accelerometerare sequentially arranged on the IMU framework; and modular design of various parts are in detachable connection, and good assembly manufacturability is realized. The triaxial fiber-optic gyroscope inclinometer is based ona strapdown inertial navigation system principle, employs a triaxial fiber-optic gyroscope with small size and high precision, avoids the influence of ferromagnetic substances and overcomes the limitation of wellhead north-seeking and small-size borehole north-seeking in cased well application, is particularly suitable for track measurement and attitude description of horizontal wells and highly-deviated wells, and can achieve full-range full-attitude self-north-seeking and continuous measurement.

The invention discloses an automobile radiator assembly installation frame, which comprises an upper radiator transverse beam, a left upper radiator bracket, a right upper radiator bracket, a left radiator upright post, a right radiator upright post, a front engine carriage transverse beam, a left lower radiator bracket and a right lower radiator bracket, wherein the left upper radiator bracket and the right upper radiator bracket are welded on the upper radiator transverse beam; the left lower radiator bracket and the right lower radiator bracket are welded on the front engine carriage transverse beam; the left upper radiator bracket and the right upper radiator bracket are arranged oppositely one above the other; the four brackets are taken as four installation points of a radiator; the left radiator upright post and the right radiator upright post are connected to the two ends of the upper radiator transverse beam; the lower ends of the left radiator upright post and the right radiator upright post are connected to the two ends of the front engine carriage transverse beam through bolts; and the front engine carriage transverse beam is a part of an engine bracket assembly. Due to the adoption of the automobile radiator assembly installation frame, the installation requirements of a radiator assembly can be met, the strength and rigidity of the radiator installation frame are optimized, and the weight of the radiator on the front part of an automobile is scattered; and the automobile radiator assembly installation frame has high generality, can be general for derivative automobiles of the same style, has high assembly manufacturability, is installed on the premise of not influencing the original structure of the radiator, and is convenient to detach.

The invention belongs to the technical field of anchor drills for underground excavation roadway support in coal mines, in particular relating to a hydraulic five-arm anchor drill for the coal mine. With the adoption of the hydraulic five-arm anchor drill provided by the invention, the problem of low supporting efficiency caused by that the traditional four-arm anchor drill for the coal mine cannot be applicable to roadway support in the need of five-anchor-rod support can be solved. The hydraulic five-arm anchor drill comprises an anchor drilling system, wherein the anchor drilling system comprises five drilling arms; three drilling arms are mounted on a fixed sliding rail; and two drilling arms are respectively mounted on a left-sliding sliding rail and a right-sliding sliding rail. The hydraulic five-arm anchor drill provided by the invention has the advantages of being more suitable for the roadway supported by using the five anchor rods, being more common in application, and better meeting requirements for efficiently and rapidly tunneling mine coal faces with high yield. The hydraulic five-arm anchor drill provided by the invention can be used with a continuous miner so that the driving speed can be increased to 1.7 times that of the four-arm anchor drill used with the continuous miner. Therefore, the contradiction between excavating and supporting can be solved and the hydraulic five-arm anchor drill provided by the invention has a wide market prospect.

The invention provides a high precision static magnetic field generating device for a nuclear magnetic resonance gyroscope. The device includes a coil support skeleton and a static magnetic field coil. Specifically, the coil support skeleton is cylindrical, and is internally equipped with an atom gas chamber and heating related structural parts, and the side wall of the coil support skeleton is provided with a plurality of symmetrically distributed annular winding grooves for fixing the static magnetic field coil. The static magnetic field coil consists of multiple groups of longitudinally symmetric circular coils, and the symmetric plane is a central cross section of the coil support skeleton, the coils are wound by one enamelled copper wire, and each group has the same number of windings. Through specific location distribution control, the high precision static magnetic field generating device provided by the invention can provide a high precision static magnetic field with extremely high uniformity for an area where the gas chamber of the nuclear magnetic resonance gyroscope is located. Compared with the prior art, the high precision static magnetic field generating device provided by the invention has the advantages of good magnetic field uniformity, more compact structure, easy installation and maintenance, and easy realization of engineering.

The invention relates to a binding machine for office supply bills and documents, of which the structure is a moving frame consisting of an upper moving plate, a lower moving plate, and a first guide rod, a second guide rod and a third guide rod which are arranged between the upper moving plate and the lower moving plate; the moving frame is arranged in a rack and is provided with an upper press riveting scalding head module, a punching module, a conductive rubber module and a lower press riveting scalding head module; the rack is provided with a working panel, a punching press riveting upper and lower moving module, a binding pipe in-place detecting module, a binding pipe conveying and pressing head releasing module and a pressing head component self locking mechanism. The binding machine is good in intelligentization, artificial participation is less, residual materials are convenient to take, the residual materials in a feeding working module can be automatically discharged, each working module of the whole machine is reasonably stressed in the whole binding process, and the pressing head module is not subjected to a binding force, such that the damage rate of the pressing head module self locking mechanism is greatly reduced, and the binding machine more meets the office requirements.

The present invention provides high strength and high efficiency fluid magnetizing tube, magnetizing device and magnetizing system, and belongs to the field of fluid magnetizing technology. The fluid magnetizing tube includes a magnetic tube, a magnetic conducting tube, and a locating and guiding element to form one or several fluid channels and has straight or curved axis. The magnetic tube includes a magnetic ring, an isolating ring of non-ferromagnetic material and a duct; the magnetic conducting tube is high permeability duct or one other magnetic tube; and the end plates possess fluid channel. The magnetizing device includes a casing and several magnetizing tubes connected serially and/or in parallel. The magnetizing system has magnetizing device, conventional pump and power device to perform circular fluid magnetizing. The present invention has high strength axial and radial magnetic field and high fluid magnetizing efficiency.

The invention provides a preparation method, a distributed winding motor stator, a distributed winding motor and a compressor. The preparation method includes: disposing an insulation accommodating structure having a receiving groove at the end portion of a first-end winding of a stator winding; fixing the winding lead of the stator winding in the insulation accommodating structure; arranging a shorting connector in the receiving groove in the insulation accommodating structure and shorting the shorting connector and the winding lead; assembling an external lead to the shorting connector so that the external lead and the winding lead are shorted. The method can achieve automation and semi-automation of the motor lead-out wire process, thereby remarkably improving the production efficiency and reducing the labor cost effectively so as to improve the market competitiveness of the product.

Provided is an integrated balance suspension cross beam assembly. A cross beam body in the integrated balance suspension cross beam assembly has a hollow sealed cylindrical structure. An air inlet andoutlet, and a water drain valve are arranged at the top and bottom of the middle section of the cross beam body respectively. Both ends of the cross beam body are connected with thrust rod connectingportions, large bracket connecting portions and longitudinal beam connecting portions. The cross beam body may be left, middle and right cylindrical portions which are sequentially connected. The longitudinal beam connecting portions include connecting bottom plates, and longitudinal beam connecting holes and bottom plate inner chambers arranged above the connecting bottom plates. The thrust rodconnecting portions comprise front and rear thrust rod connecting branch portions which are symmetrically arranged front and back with a center axis of the cross beam body as a symmetry line. The large bracket connecting portions comprise bracket bottom plates, bracket bottom holes, and front and rear support plates. This design has uniform stress distribution under torsional conditions and can increase the torsional performance of the cross beam. The integrated balance suspension cross beam assembly has the function of acting as an air reservoir, the manufacturing and assembly efficiency canbe improved, and the overall weight is reduced so as to be conducive to the modular layout of chassis.

The invention provides a high-temperature- and high-voltage-resistant high-insulating-property ignition cable, and aims to provide an electromagnetic shielding ignition cable which has strong adaptability to severe environment, small in electromagnetic leakage, high in medium insulation strength and low in transmission loss, can shield stray radiation of ignition energy, can reach high insulation of 20kV in direct current withstand voltage, and can achieve shielding effectiveness of above 50dB. The ignition cable is realized through the following technical scheme: a nickel-core conductor penetrates through an inner-layer insulator, a glass fiber which serves as one of the insulators wraps the nickel-core conductor, the insulator passes through a middle layer corrugated metal hose whose outer layer has a mesh sleeve woven and is wrapped between the nickel-core conductor and the corrugated metal hose, alumina powder is filled in an inner gap between an outer surface of the glass fiber that penetrates into an inner wall of the corrugated metal hose and an inner surface of the corrugated metal hose, and an outer layer shielding body has the metal stainless steel mesh sleeve woven. The high-temperature- and high-voltage-resistant high-insulating-property ignition cable overcomes the defects that a traditional ceramic insulator cable is poor in bending performance, high-altitude performance and anti-mechanical vibration capability and electromagnetic leakage cannot be avoided.