23results about How to "Control rotation" patented technology

The invention belongs to the technical field of friction welding, and relates to a friction welding machine capable of deburring, which comprises a machine tool, electric guide rails, a spindle box and a three-jaw chuck, the electric guide rails are mounted on both sides of the top of the machine tool, the spindle box is mounted on the machine tool, and the three-jaw chuck is mounted at an output shaft of the spindle box. The device further comprises a fixing mechanism and a burr removing mechanism, the fixing mechanism used for fixing a workpiece is arranged on the electric guide rail, and the burr removing mechanism used for removing burrs in the workpiece is arranged on the machine tool. After two hollow pipe workpieces are welded, the workpieces can be controlled to rotate, a polishing rod is operated to extend into the inner walls of the workpieces to polish burrs, and meanwhile a telescopic rod of an electric push rod can be controlled to extend to drive a polishing cutter to make contact with the outer walls of the welding positions of the two workpieces to polish the outer walls. And burrs of the inner wall and the outer wall of the welding position are ground together, a transfer procedure is not needed, operation is more convenient, and efficiency is higher.

The water pump shaft part ultra-precision grinding device comprises a machine base and a grinding machine body fixedly installed at the top of the machine base, a first motor is fixedly installed on the inner wall of the left side of the grinding machine body, a first hydraulic cylinder is fixedly installed on the inner wall of the right side of the grinding machine body, and a first shaft base is rotationally installed at the output shaft end of the first hydraulic cylinder. The ultra-precision grinding device is reasonable in design, the fine-grained abrasive particle grinding wheel, the ultra-fine-grained abrasive particle grinding wheel and the superfine-grained abrasive particle grinding wheel are conveniently and sequentially used for carrying out three times of grinding machining on the water pump shaft part by arranging the three abrasive particle grinding wheels with different granularities, and ultra-precision grinding treatment on the water pump shaft part is achieved; the strict requirements for precision indexes such as the surface roughness of the water pump shaft parts are met, the machining precision and the surface quality of the water pump shaft parts are effectively improved, the time spent on replacement of abrasive particle grinding wheels with different granularities after shutdown is greatly shortened, operation is easy and convenient, and the working efficiency is improved.

The utility model discloses a device for loosening a cable, which comprises a transverse shaft, the transverse shaft penetrates through a cable cylinder, two ends of the transverse shaft protruding out of the cable cylinder are sleeved with connecting assemblies, a supporting leg is hinged below each connecting assembly, and the connecting assemblies can change the inclination angle of the supporting leg. A motor is adjustably arranged on a certain supporting leg, a driving wheel is arranged on an output shaft of the motor, and the driving wheel is in frictional contact with the cable drum; the connecting assembly and the supporting legs are arranged, the extrusion plate can be controlled to move relative to the baffle by rotating the threaded column, the supporting legs are forced to rotate to adjust the inclination angle of the supporting legs under the action of the extrusion plate, and in the inclination angle adjusting process of the supporting legs, the transverse shaft and the cable cylinder are lifted, so that the cable cylinder is separated from the ground, and supporting is provided for loosening a cable; the current situation that the cable drum is hoisted by hoisting equipment is changed, and meanwhile the cable drum hoisting device is simple in structure, small in size and capable of being disassembled and stored when not used.

The utility model relates to the technical field of glass bottle production, in particular to an efficient glass forming device for glass bottle production, which comprises a bottom plate, a first push plate and a second push plate, the first push plate and the second push plate are mounted on the upper surface of the bottom plate, and a first mold is mounted on one side, close to the second push plate, of the first push plate. A second mold is installed on the side, close to the first push plate, of the second push plate, a plurality of air supply pipes are installed on the upper surface of the first push plate and the upper surface of the second push plate, a suction cup is installed on the upper surface of the bottom plate, replacement devices are arranged on the side faces of the first push plate and the second push plate, and each replacement device comprises two first fixing plates. The utility model solves the problem that when the glass forming device is used for forming the glass bottles and the glass bottles with different shapes need to be produced, an additional glass forming device needs to be manufactured due to the fact that the molds of the glass bottles are difficult to disassemble, so that the cost of manufacturing the glass bottles is higher.

The utility model relates to an electric car coupler pushing mechanism and a train, the electric car coupler pushing mechanism comprises a pushing support, a first supporting arm, a second supporting arm, a first connecting rod, a second connecting rod, a first connecting rod and a second connecting rod, the rotating shaft is rotationally mounted between the two supporting arms; one end of the rotating arm is connected to the rotating shaft; the rotating arm can move into the relative space of the first supporting arm and the second supporting arm. The supporting rod is connected with the electric coupler and the rotating arm; wherein the rotating shaft can rotate in the first supporting arm and the second supporting arm, so that the rotating arm rotates along with the rotating shaft, the supporting rod drives the electric coupler to horizontally slide, and the space utilization efficiency of the position where the electric coupler is located is improved while extending and retracting of the electric coupler are achieved; and the requirements of the maglev train on the compactness and the self-locking safety of the electric coupler pushing device are met.

The utility model relates to the technical field of concrete pouring, in particular to a pouring mold for a track precast slab, which comprises a pouring cavity, a slurry outlet arranged below the pouring cavity, a conveying pipeline connected with the slurry outlet, and a first conveying pipe vertically arranged at the lower end of the slurry outlet and a second conveying pipe horizontally arranged. The first throttling part is connected with the first conveying pipe, is close to one side of the slurry outlet, and comprises a double-open butterfly valve arranged in the first conveying pipe; the slurry storage chamber is connected with the lower portion of the second conveying pipe, is close to the first conveying pipe and comprises a slurry storage cavity formed in the lower portion of the second conveying pipe and a slurry flowing opening communicated with the lower portion of the second conveying pipe. The second throttling part is connected with the second conveying pipe and located on the side close to the slurry output port. The second throttling part comprises a rotary throttling plate arranged in the second conveying pipe. According to the utility model, the two throttling parts and the slurry storage chamber are arranged to cut off slurry, so that the sealing performance is improved, and slurry leakage is avoided.

Disclosed is a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a plurality of pixels. Each pixel includes a pixel electrode, a common electrode, and a liquid crystal that rotates in a plane due to a voltage applied by the pixel electrode and the common electrode. The pixel electrode includes a linear electrode. When an initial alignment direction of a liquid crystal whose dielectric anisotropy is positive or a direction perpendicular to an initial alignment direction of a liquid crystal whose dielectric anisotropy is negative is defined as a predetermined first direction, at a boundary between pixels adjacent to each other among the plurality of pixels, a boundary line between the adjacent pixels, the linear electrode, and an end edge of the linear electrode are inclined with respect to the predetermined first direction, and the inclination directions of the boundary line, the linear electrode, and the end edge with respect to the predetermined first direction are the same.

This utility model discloses a reverse evaporation device, relating to the field of evaporation equipment technology. It includes a fixed frame, with a condenser threaded tube fixedly embedded on one side of the inner wall of the fixed frame; a control structure located within the fixed frame; and the control structure comprising a threaded rod, an external toothed rotating ring, a fixed rotating ring, two fixed rods, a movable component, and two sets of cleaning brushes. The outer wall of the threaded rod is rotatably embedded within the fixed frame, and the inner walls of both the external toothed rotating ring and the fixed rotating ring are rotatably fitted onto the fixed frame. One end of each of the two fixed rods is fixed to the external toothed rotating ring. Through the threaded rod, external toothed rotating ring, fixed rotating ring, fixed rods, and movable component, the up-and-down movement of the movable component can be controlled, as can its rotation. This allows the movable component to rotate and move up and down around a central point on the condenser threaded tube, enabling the cleaning brushes to scrape away condensate from the surface of the condenser threaded tube, allowing the condenser threaded tube to directly contact the air, thereby increasing the condensation effect.

The utility model discloses a direct current motor with a brake function, which comprises a front end cover, a shell, a rear end cover, a motor shaft, a rotor, a stator, a steering gear, a brake piece, a brake pad, a coil and a spring, one end of a locking bolt sequentially penetrates through the front end cover and the shell to be connected with the rear end cover, the rotor and the stator are arranged in the shell, and the motor shaft penetrates through the middle of the rotor; the steering gear and the brake piece are installed on a motor shaft, a rubber sleeve is installed on the brake piece, a brake seat is arranged in the rear end cover, a coil and a spring are arranged in the brake seat, one end of the spring is connected with a brake pad, and the coil, the spring and the brake pad are matched. The auxiliary braking device is simple in operation and exquisite in structure, can assist the motor to complete braking operation, realizes accurate parking of the motor, improves the performance of the motor, and improves the use stability and safety of the motor.

This utility model relates to the field of polishing and grinding technology, and in particular to a multi-station polishing and grinding machine, including a disc feeding mechanism, a top surface processing head, and a side surface processing head. The top surface processing head has a first processing end, and the side surface processing head has a second processing end. The disc feeding mechanism has several clamping structures for fixing workpieces and a control structure for controlling the movement of the clamping structures. The control structure can drive the clamping structures to move, so that the workpiece contacts the first processing end and the second processing end in sequence. This utility model has multiple clamping structures forming multiple stations, and is equipped with a top surface processing head and a side surface processing head. During production, the workpiece is controlled to pass through the top surface processing head and the side surface processing head to complete the processing. Therefore, the workpiece can be polished continuously to improve production efficiency.

The application relates to the field of indoor decoration, and discloses a wall flatness detector for indoor decoration, which comprises a detector and two connecting frames. A display screen is fixedly installed on the surface of the detector, two handles are fixedly connected to the surface of the detector, the two handles are symmetrically distributed about the detector, a rotating frame is rotatably installed at the bottom end of the connecting frame, a fixed frame is fixedly connected to one end of the rotating frame, an adjusting frame is slidably installed on the surface of the fixed frame, the inner wall of the fixed frame is movably connected to the surface of the detector, the size specification of the inner wall of the fixed frame is matched with the size specification of the surface of the detector, and the two connecting frames are symmetrically distributed about the detector. The connecting frame is installed in the detector, the bottom end of the connecting frame is provided with the fixed frame through the rotating frame, the height of the detector can be adjusted through the two fixed frames, and the high position of the wall body can be detected.

The application relates to the technical field of star car, and discloses a four-wheel high-speed star car and a working method thereof. The four-wheel high-speed star car comprises a car body, a car body differential mechanism located at the front part of the car body and fixed between the car body, a front rocker arm mode conversion mechanism located at the front end of the car body and connected to a rotating shaft one of the car body differential mechanism, a rear rocker arm terrain adaptation mechanism located at the rear part of the car body and connected to a rotating shaft two of the car body differential mechanism, and a wheel set comprising a front wheel set and a rear wheel set, wherein the front wheel set is installed on the front rocker arm, the rear wheel set is installed on the rear rocker arm, and the rear rocker arm is extended out of the car body through a car body through hole three formed at the rear end of the car body. The application has good terrain adaptability and buffering and damping performance, can adapt to high-speed driving on a planetary surface, and can actively control the car body posture and switch various working modes through the combination of regulation and control modes, so that new or special detection tasks can be better completed.

The utility model provides a plant tissue fluid extracting device, which relates to the technical field of extracting devices and comprises a machine body, a tray is arranged at the top end of the machine body, an auxiliary device is arranged on one side, close to the tray, of the top end of the machine body and comprises a groove drum, and the bottom end of the groove drum is fixedly connected with the top end of the machine body. The auxiliary device comprises a groove drum, a sliding rod is connected to the inner wall of the groove drum in a sliding mode, a rectangular rod is fixedly connected to the top end of the sliding rod, a positioning ring is fixedly connected to the end, away from the sliding rod, of the rectangular rod, and a first screw rod is fixedly connected to one side of the sliding rod. The test tube penetrates through the positioning ring, the bottom end of the test tube is placed in the tray, the position of the test tube can be fixed through the positioning ring when the tray rotates, an operator does not need to hold the test tube continuously, other samples can be prepared while the vortex mixer operates, time is saved, and the extraction process efficiency is improved.

This utility model discloses an anti-clogging receiving hopper for unloading lateritic nickel ore, relating to the technical field of lateritic nickel ore receiving hoppers. It includes a discharge hopper with an extension frame at its upper end. The four ends of the extension frame are fixed to the discharge hopper via connecting bolts, and a clearing component is provided inside the discharge hopper. In this utility model, the cooperation between the discharge hopper and the extension frame facilitates the receiving of more lateritic nickel ore and improves receiving efficiency. The cooperation between the servo motor and the crushing roller facilitates the crushing of lateritic nickel ore adhering to a clump, preventing clogging of the discharge hopper and increasing the discharge speed. The cooperation between the driving bevel gear and the driven bevel gear facilitates the control of the transmission roller rotation, which in turn controls the rotation of the evacuation plate, thereby increasing the discharge speed. The cooperation between the sleeve and the evacuation plate prevents lateritic nickel ore from clogging the discharge hopper, improving discharge efficiency. This device improves both discharge and receiving efficiency.

This utility model discloses a dual-shaft mixing device for feed production, relating to the field of feed production technology. Specifically, it is a dual-shaft mixing device for feed production, comprising a mixing tank. Rotary discs are movably mounted inside the front and rear ends of the mixing tank. A rotating shaft is movably supported between the two rotating discs. A helical blade is fixedly mounted on the outside of the rotating shaft. A drive gear is movably supported behind the rear of each rotating disc. A driven wheel is fixedly connected to the rear end of the rotating shaft. This dual-shaft mixing device for feed production, through the arrangement of the mixing tank and the movably mounted rotating discs inside the front and rear ends, allows the two rotating discs to rotate around the center of gravity of the rotating discs. Simultaneously, the helical blades rotate on their own axes and revolve around the axis of the rotating discs, achieving comprehensive and efficient mixing.

The present invention provides a detection and processing method, device and detection system for a pipe weld. The detection and processing method comprises: during the self-rotation of the pipe, using a first detection device to detect the reflection intensity of the light reflected by the light spot, and obtaining the measured reflection intensity information at each rotation angle; during the self-rotation of the pipe, using a second detection device to detect the color of the light spot, and obtaining the measured color information at each rotation angle; according to the measured reflection intensity information and the measured color information, identifying the position of the weld along the circumference of the pipe.

The utility model provides a weft accumulator control device which comprises a motor, a motor control board and an inductance type encoder which are arranged on a shell, a motor cavity is formed in the middle of the shell, a control cavity is formed in the top of the shell, and the inductance type encoder is installed at the tail of the shell. The motor comprises a stator and a rotor, the stator is tightly attached to the inner wall of the motor cavity and is provided with a cavity penetrating in the axial direction, the rotor is rotatably arranged in the cavity in a penetrating mode, a rotating shaft of the rotor penetrates out of the tail of the shell, and the rotating shaft is of a hollow structure and allows weft yarn to penetrate through; the inductance type encoder comprises a stator plate and a rotor plate, and the rotor plate is sleeved and fixed on the part, penetrating out of the tail part of the shell, of the rotating shaft; the stator plate is sleeved outside the rotating shaft, is fixed at the tail part of the shell and is arranged opposite to the rotor plate; the stator plate is electrically connected with the motor control plate, and the motor control plate is electrically connected with the stator.

The utility model relates to the technical field of integrated circuit chip processing especially relates to a eutectic mounting shaft of quick change suction nozzle. Including drive part, fixed base, sensor component, quick change seat and suction nozzle component. Drive part fixed mounting is in fixed base, and its output shaft is connected with sensor component, is used for driving sensor component rotation. One end of quick change seat is connected with sensor component, and the other end is connected through quick change connecting piece between suction nozzle component. Quick change seat and quick change connecting piece between are detachable connection. The eutectic mounting shaft of quick change suction nozzle provided by the utility model is detachable connection between quick change seat and quick change connecting piece, when the suction nozzle appears abrasion or other reasons need to replace, need not to take down the whole paster shaft, only need to replace the part below quick change seat, and such structure makes suction nozzle component can be quickly and conveniently replaced. The time needed for replacing suction nozzle component is greatly shortened, and production efficiency is improved.

The utility model relates to pathological biopsy sampling technical field especially for a kind of sampler for bone and soft tissue pathological biopsy, including protective cylinder, the top of protective cylinder is provided with sampling assembly, the bottom of protective cylinder is provided with bottom assembly, by setting adjusting knob, threaded rod, guide rod, spiral sampling blade, sealing cover and the cooperation use of sealing strip, sampler is in the use process by the setting of adjusting knob, can realize more flexible and efficient sampling, adjusting knob conveniently controls the rotation of threaded rod, and then drive spiral sampling blade to carry out accurate sampling operation, guide rod ensures the stability of spiral sampling blade in sampling process, effectively avoids the sampling deviation caused by improper operation, the design of spiral sampling blade not only improves the efficiency of cutting and target tissue grasping, but also ensures the integrity of sampling, substantially reduces the risk of sample damage, the practicability and safety of sampler have been further improved.