57results about How to "Accurate and quick installation" patented technology

An electrical connector includes a locknut having an annular locating flange, a core tube for receiving the copper core, inner dielectric insulator and aluminum foil shield of a coaxial cable and supporting the braided metal wrapper and outer plastic sheath of the coaxial cable, a casing surrounding the core tube and having first and second tubular deformable portions and a vertical rear stop edge, and a barrel mounted on the casing between the first tubular deformable portion and the locknut and having a tapered inner surface portion and movable to compress the first and second tubular deformable portions against the coaxial cable and the core tube and an annular front stop edge for stopping a crimping tool used to crimp the casing.

An electrical connector includes a metal locknut having an inner thread, an orifice defined and a retaining portion, an elastic cylindrical casing having a mounting base for fastening to the retaining portion of the locknut, a core tube inserted into the locknut and the cylindrical casing for receiving the center conductor and inner dielectric insulator of a coaxial cable and having a barbed flange for engaging the braided metal wrapper of the coaxial cable, a first tubular wall and a packing portion connected for engaging into the mounting base of the cylindrical casing, and a barrel mounted on the cylindrical casing and having a contracted inner wall portion adapted for compressing the cylindrical casing.

A quick-positioning screw assembly includes a cap having an inside annular flange and a locating groove or locating rib extending around the inside wall, a mounting socket bonded to a mounting through hole of a first plate member and having a top positioning flange extending around the periphery and detachably forced into engagement with the locating groove or locating rib of the cap, a screw press-fitted into the inner diameter of the inside annular flange of the cap for threading into a screw hole on a second plate member to secure the first plate member to the second plate member, and a compression spring mounted in the cap around the screw and stopped between the inside annular flange of the cap and an inside annular flange of the mounting socket.

A mono-block type optical fiber adapter includes an adapter body including a partition wall between each two opposing accommodation chambers and a tubular coupling portion extended from each partition wall toward the inside of one respective front-sided accommodation chamber, a ferrule mounted in each tubular coupling portion and partially suspending in the respective rear-sided accommodation chamber, and a ferrule holder respectively mounted in each rear-sided accommodation chamber and attached to the suspended rear end of the respective ferrule. The one piece design of the adapter body facilitates mass production and effectively eliminates the dimensional tolerance and clearance problems of conventional designs. Further, the matching design between the adapter body and the ferrule holders facilitates quick and accurate installation of the mono-block type optical fiber adapter, saving much installation time and labor and enhancing structural stability and reliability.

The invention discloses a pull rod type inclined cutting machine convenient to transport. The pull rod type inclined cutting machine is characterized by comprising a base, a worktable, a support, a rocker arm assembly, a sliding rod assembly, a machine body, a drive device, a control device and a saw web. A rotation table of the worktable is arranged on the base in a rotating mode and is provided with a notch groove from front to back. The support is fixedly arranged in the back of the upper side of a supporting part of the base. The rocker arm assembly comprises a rocker arm, and the rocker arm is arranged at the rear end of the rotation table in a rotating mode and can turn to the left side or the right side. The machine body is arranged on the rocker arm through the sliding rod assembly. The drive device is a brushless direct current motor, a stator is fixedly arranged on the machine body, the axis of the stator is horizontally arranged from left to right, a brushless motor outer rotor assembly is arranged on the machine body through a corresponding bearing assembly in a rotating mode after a drive shaft of the brushless motor outer rotor assembly penetrates through the stator from right to left, and the corresponding part of the stator is located in a motor case. The saw web is detachably fixed to the drive shaft of the brushless motor outer rotor assembly of the drive device. The drive device is electrically connected to the control device.

One type of battery quick-change system of electric passenger car chassis based on the Cartesian coordinate robot, including electric changing platform, and this platform, quick-change robot and charging rack along the same straight line; the quick-change robot comprises the battery tray and the Cartesian coordinate robot of four degrees of freedom, the Cartesian coordinate robot is associated with the X-axis driving motor, the Y-axis driving motor, the Z-axis up-down motor, the battery tray is connected with the R-axis driving motor; each of driving motors is connected with the corresponding encoder, and each of encoders is connected to the corresponding drive; there are equipped with a distance measuring sensor on the battery tray, and the corresponding limit switches on the both ends of each two-track rack; the drive, each limit switch and the distance measuring sensor of each driving motor are connected with the control system.

The invention discloses a drawbar type inclined cutting machine having a better heat dissipation effect. The drawbar type inclined cutting machine is characterized in that the drawbar type inclined cutting machine comprises a base, a working table, a support, a rocker arm, a sliding bar component, a machine body, a driving device, a control device and a saw blade; a rotating table of the working table is rotationally arranged on the base; the rotating table is provided with a notch groove along the front-back direction; the support is fixedly arranged at the rear part of the upper side of a supporting part of the base; the rocker arm component comprises a rocker arm; the rocker arm is rotationally arranged at the rear end of the rotating table, and can rotate towards the left side and the right side; the machine body is arranged on the rocker arm through the sliding bar component; the driving device is a brushless direct current motor; a stator is fixedly arranged on the machine body; the axis of the stator is arranged horizontally along the left-right direction; a brushless motor outer rotor assembly allows a driving shaft of the brushless motor outer rotor assembly to penetrate through the stator from the right to left, and then is rotationally arranged on the machine body through a corresponding bearing assembly; a corresponding part of the stator is positioned in a motor casing; the saw blade is detachably and fixedly arranged on the driving shaft of the brushless motor outer rotor assembly of the driving device; and the driving device is electrically connected with the control device.

The invention discloses a brushless motor outer rotor assembly with a simple structure which comprises a motor shell, a retainer, permanent magnets and a drive shaft. The motor shell is an integral piece of iron or low carbon steel. The opening of the motor shell is upwards, and has a wall thickness with 2 mm to 6 mm. The drive shaft is coaxially and fixedly arranged in the motor shell and extendsout of the motor shell upwards. The retainer is an integral injection molded piece. The retainer comprises a positioning portion and an upper limit portion. The positioning portion has a cylindricalshape as a whole, and has a wall thickness with 1 / 3 to 1 of the thickness of the permanent magnet. An outer diameter of the positioning portion corresponds to an inner diameter of the motor shell. Positioning grooves with the same number as the number of permanent magnets are arranged with the positioning portion at equal intervals in the circumferential direction of the positioning portion, and the shape thereof corresponds to the permanent magnets. The upper limiting portion is arranged on the upper outer circumference of the positioning portion. The retainer is adhesively fixed in the motorshell. The permanent magnets comprise an N permanent magnet and an S permanent magnet sequentially arranged in the positioning grooves of the retainer and adhesively fixed on the motor shell.

The invention relates to an intelligent auxiliary locating indicating car for engineering machinery assembling. The intelligent auxiliary locating indicating car comprises a stretching pressing locating frame, a sensing arm telescopic frame and a moving direction indicating screen. The sensing arm telescopic frame is fixedly connected to the upper end of the stretching pressing locating frame. The moving direction indicating screen is arranged above the sensing arm telescopic frame in a covering mode. The stretching pressing locating frame comprises a base plate. Supporting legs are fixed at the lower end of the base plate. Universal balls are arranged at the lower ends of the supporting legs. An oil cylinder is fixedly arranged in the middle of the upper end face of the base plate. The sensing arm telescopic frame comprises a top plate. The moving direction indicating screen comprises an upper cover. A displaying screen and a keyboard are arranged on the upper end face of the upper cover. Manpower is replaced for detecting the up-load position of engineering machinery, direction guidance is provided for lifting assembling personnel, the problem that assembling personnel observe the position, relative to an engineering machinery bottom disc, of an up-load part of the engineering machinery beside the engineering machinery is avoided, manpower is reduced, the safety coefficient of the assembling personnel is improved, and working efficiency is improved.

The invention discloses a large-scale steel pipe tower, which comprises a steel pipe main body and a flange alignment assembly. The flange alignment assembly is arranged inside the steel pipe main body. The centering main part and the centering auxiliary part, the centering main part is fixed on the inner wall of the main steel pipe, and the centering auxiliary part is fixed on the inner wall of the supporting steel pipe. The flange alignment assembly makes the supporting steel pipe rotate in the main steel pipe, so that the bolt holes on flange a correspond to the bolt holes on flange b, thus completing the alignment between flange a and flange b It greatly reduces the difficulty of segmented vertical towers, lowers the requirements for the level of lifting operators, reduces the stagnation time of supporting steel pipes, makes the installation of supporting steel pipes faster and more accurate, and reduces safety risks.

The invention discloses a low-infrared radiation exhaust system for a high-speed assault boat, which comprises a first exhaust pipe, an injector, a muffler assembly, a second exhaust pipe, a compensator and an outlet pipe connected in sequence; The wall pipe is composed of the pipe mouth of the double-wall pipe close to the muffler assembly, which is lower than the mouth of the double-wall pipe far away from the muffler assembly. The double-wall pipe is provided with a nozzle socket, and a nozzle holder is installed on the nozzle socket. The invention adopts seawater to cool the exhaust gas, which improves the sound-absorbing performance, reduces the discharge of harmful components in the exhaust gas into the atmosphere, and increases the safety on board. The seawater injection also reduces the exhaust volume flow rate, so the weight and size of the exhaust system can be reduced; the installation method of the system is designed ingeniously to avoid the deformation of the system exhaust pipe and other pipelines during the installation process or the damage during installation.

An antenna orientation adjustment device (200) include a camera (210), nut runners (220 and 230), and a motion controller (400). The nut runners (220 and 230) can be mounted on an azimuth adjustment bolt (160) and an elevation adjustment bolt (180), respectively. The nut runners (220 and 230) change the orientation of an antenna unit by applying motor power to the azimuth adjustment bolt (160) and the elevation adjustment bolt (180). The motion controller (400) calculates an angle position of the antenna unit (110) where a reception strength is maximum based on an image taken by the camera (210) and a reception strength of radio waves received by the antenna unit (110), and then adjusts the antenna unit (110) to the angle position where the reception strength is maximum by supplying a drive signal to the azimuth adjustment bolt (160) and the elevation adjustment bolt (180).

The invention discloses a bone cement filling balloon structure, which comprises a pipeline-shaped injector, and a balloon connected onto the lower end of the injector, wherein a preassembled rod extending into the balloon is arranged in an inner cavity of the injector; the balloon is made of absorbable materials, such as poly-L-lactic acid, poly-DL-lactic acid, polyglycolic acid, polycaprolactone, polyethylene glycol, poly-di-chalk alkyl ketone, polytrimethylene carbonate, and a copolymer or a polymer blend thereof; and the molecular weight of the absorbable materials is 5,000-1,000,000. The bone cement filling balloon structure disclosed by the invention has the advantages that not only is the distribution of bone cement in a vertebral body be effectively controlled to prevent the bone cement from leaking in quantity, but also the bone cement can be absorbed in the body; and the bone cement filling balloon structure is simple to operate during an operation.