56results about How to "Avoid Vibration Interference" patented technology

The present invention discloses a Reynolds experiment instrument. It is characterized by that in the constant pressure zone of its constant pressure water tank a permeation cover is set, said permeation cover can be used for covering upper portion of water inlet of experiment tube, the space covered by said permeation cover is formed into a water-stabilizing zone, and the water body in the water-stabilizing zone of said experiment instrument can not be interfered by water of water inlet tube.

The invention relates to an automatic plate milling machine, which belongs to the technical field of processing equipment. The invention solves the problems of unreasonable design, low processing precision and the like in the prior art. The automatic plate milling machine comprises a turntable which is in horizontal arrangement, wherein the turntable is connected with a rotation motive power device capable of driving the turntable to rotate, a plurality of clamps used for fixing work pieces are arranged on the turntable, a support frame which is in arrangement independent from the turntable and positioned above the turntable comprises a cross beam in horizontal arrangement, at least one set of milling cutter assembly is arranged on the cross beam, a cutter capable of processing the work pieces is arranged on the milling cutter assembly, and both the milling cutter assembly and the rotation motive power mechanism are connected with an electric control box. The invention has the advantages that 1, the vibration interference does not exist during work, the processing precision is greatly improved, and the work noise is reduced; 2, because cement is adopted for manufacturing the support frame, the intensity is effectively improved, the occurrence of vibration is avoided and the processing precision is further improved; 3, the atomization degree is high, and the operation and the use are easy; and 4, the invention has multifunction, and can be applicable to the processing of plate materials made of various materials.

A detection device of contact stress distribution is composed of an upper workbench, a lower workbench, a pneumatic vibrator and a spherical indenter module, wherein the upper workbench and the lower workbench are respectively provided with a diagonal strip-shaped groove which is connected and fixed by fixed bolts and a linear shape array hole for installing the pneumatic vibrator, the position of the upper workbench dead against the spherical indenter module is provided with a round hole for installing a plane sample, the spherical indenter module comprises a spherical indenter which is arranged on the upper end of a retainer and is contacted with the plane sample, and the lower end of the retainer is attached with a pressure sensor for measuring the vibrating pressure of the spherical indenter module and a cross-shaped array hole which is vertically arranged on the lower workbench together with the pressure sensor. The invention has the beneficial effects of simple structure, easy manufacturing and installation and good combined properties, satisfies polytrope requirements and reduces interference caused by vibration.

The invention discloses a rapid vacuum induction casting electric furnace comprising a rack, wherein a vacuumizing system, a water cooling system and a medium frequency power supply are arranged on the rack. The electric furnace is characterized in that the rack is provided with a casting furnace, wherein the casting furnace is composed of an inspection microscope base, a base, an insulated furnace tube and an inductor copper pipe which is helically preinstalled in the insulated furnace tube; the inspection microscope base is hermetically connected with a vacuum pipeline of the vacuumizing system; the inspection microscope base is provided with an inspection microscope; the two ends of the inductor copper pipe are provided with a water inlet and a water outlet respectively and are respectively led out via the insulated furnace tube; the section, corresponding to the middle part of the casting furnace, of the inductor copper pipe is electrically connected with the medium frequency power supply; a reciprocating hoisting mechanism is arranged below the casting furnace on the rack; and the upper end of the reciprocating hoisting mechanism is provided with a tray. The electric furnace has the following advantages: smelting and casting can be carried out simultaneously, the yield of cast products is high and the product percent of pass can reach more than 85%, so the electric furnace is especially applicable to casting products with complex shapes; the casting time is short and the production efficiency is high; and the product density is high and the product quality is good.

The invention provides an impulse balance device for measuring laser ablation micro-impulse, which comprises an impulse balance part, an electromagnetic damping part and a displacement measuring part. The impulse scale part includes a beam, a rotating bracket, a pivot, a pivot bracket, a fixed bracket, a counterweight and a damping plate; the middle part of the beam is fixed with a rotating bracket, and one end of the pivot is vertically connected to the rotating bracket, and the other end is vertically connected to the pivot frame ; Both ends of the beam are respectively fixed with counterweights and damping plates; the pivot frame is installed on the upper end of the fixed bracket, and the bottom end of the fixed bracket can be connected with the test bench or other adjustment mechanisms. The electromagnetic damping part includes a power supply, a bracket and an electromagnet; the electromagnet is fixed by the bracket; the displacement measurement part includes a displacement sensor, a sensor bracket, a controller and a data processing terminal.

The invention provides a device for detecting the vibration of slag dropping in a large ladle. The device is used for detecting the vibration of a protective sleeve of a long water gap caused by molten steel which flows from the large ladle to a middle ladle through the protective sleeve of the long water gap during a metallurgical process, wherein the vibration detection device comprises a sensing mechanism, an actuating mechanism and a sensor, wherein the sensing mechanism is selectively contacted with the outer wall of the protective sleeve of the long water gap and senses the vibrating situation of the protective sleeve of the long water gap; the actuating mechanism is connected with the sensing mechanism and drives the sensing mechanism to protrude or withdraw; and the sensor is connected with the sensing mechanism and receives vibration signals transmitted by the sensing mechanism. The device for detecting the vibration of slag dropping in the large ladle is arranged on a slag dropping mechanical arm, fixed on the ground or arranged inside the mechanical arm; and a vibration isolator is arranged between the vibration detection device and the mechanical arm or between a box body and the ground.

The invention relates to the field of production automation, in particular to a mark welding system. The mark welding system mainly includes a belt conveyor, a main control box, a robot, a visual recognition device and a spot welding machine, wherein the feeding end of the belt conveyor is located below a discharging opening of a production line, and a driving motor for driving the conveyor belt to convey in the horizontal direction is arranged on the belt conveyor; the main control box is fixedly arranged on any side of the belt conveyor, a processor is arranged in the main control box, the processor is connected with a memory and an IO interface, the memory is used for storing various product reference images and the nameplate contents corresponding to the reference images, and the IO interface is connected to the driving motor through a driving plate; and the visual recognition device and the spot welding machine are connected with the robot, and a laser marking machine is arrangedwithin the operating range of the robot. By means of the mark welding system, the robot can automatically manufacture and fix the nameplates, and various drawbacks caused by the manual nameplate hanging are avoided.

The invention discloses a precise cotton blending machine. The precise cotton blending machine comprises a closed casing, a cotton feeding channel, a driving motor, a cotton pressing roller, a cotton stripping roller, a cotton storing tank, a material sucking hopper, a support, a connecting pipeline and a fan, wherein the cotton storing tank is arranged on the ground and is arranged in the support; a weighing device is arranged at the bottom in the cotton storing tank; a discharge opening is formed in the side face of the cotton storing tank; a driving device is arranged in the support; the material sucking hopper is fixed under the driving device; the material sucking hopper can be movably butted with and separated from the discharge opening by the driving device; the material sucking hopper is communicated with the fan through the connecting pipeline. According to the precise cotton blending machine disclosed by the invention, the cotton storing tank which is independently fixed and is provided with the weighing device is adopted, so that vibration and interference of other devices during working are avoided, and the weighing accuracy is greatly improved; meanwhile, the precise cotton blending machine is also provided with the material sucking hopper which can be movably butted and is only butted with a material sucking inlet of the cotton storing tank during working, so that the interference on weighing is further reduced.

The embodiment of the invention provides a vibration source detecting facility and method. The vibration source detecting facility comprises a shielding case used for shielding outside noise, and a vibration source detecting device located in the shielding case. The vibration source detecting device comprises a damping support, a bearing table, a variable-frequency vibration motor, a vibration sensor and a fixing assembly used for fixing a to-be-detected product, wherein the bearing table is arranged on the damping support, and the variable-frequency vibration motor, the vibration sensor and the fixing assembly are arranged on the bearing table. According to the vibration source detecting facility and method, weak vibration of the to-be-detected product can be tested precisely under various outside interference situations.

The invention discloses a shafting hoop type particle damping shock absorber and a design method. The shock absorber comprises a body and a damping medium, wherein the body is arranged on the outer periphery of a shaft body in a sleeving mode, and the body is filled with the damping medium; the body is provided with a plurality of cavities which are used for containing the damping medium respectively; and the cavities are arranged in the body in a regular arrangement mode and surround the outside of the shaft body at intervals in the axial direction of the shaft body. The body filled with the damping medium is arranged on the outer periphery of the shaft body in a sleeving mode, so that vibration of the shaft body is reduced, stable operation of the shaft body is guaranteed, and safety and efficiency of a shafting transmission system in the working process are further guaranteed.

The invention relates to the technical field of mechanical engineering transmission, in particular to an adjustable axial asynchronous magnetic force coupler. The adjustable axial asynchronous magnetic force coupler is mainly suitable for power transmission devices in the industries such as mines, metallurgy, aviation and the like. The coupler comprises an inner rotor assembly (1), an outer rotorassembly (2), a speed regulation device (3) and a distance sleeve (7), wherein the speed regulation device (3) is composed of a sleeve III (2), a sleeve I (3), a sleeve II (4), a rotation handwheel (11), a friction wheel driving wheel (12), a friction wheel driven wheel (13), a fixed sleeve (14) and double lines of angular contact ball bearings (15). The speed regulation device (3) of the adjustable axial asynchronous magnetic force coupler causes a meshed area between a permanent magnet (6) and a copper bar (10) to be changed by movement transmission between the friction wheel driving wheel and the friction wheel driven wheel, thereby realizing the purpose that the linearity of an output torque is stably changed, realizing the soft start function of the motor, and expanding the application range of the magnetic force coupler. In addition, the transmission mechanism formed by the inner rotor assembly and the outer rotor assembly is searched, the transmission mechanism which can provide stable torque, large power and high efficiency under different occasions is proposed, and the function of the magnetic force coupler is expanded.

The invention discloses an angle steel detection device and detection method for an electric iron tower. The angle steel detection device comprises an angle steel conveying mechanism, a vertical lifting device and an image acquisition system, wherein the angle steel conveying mechanism is connected with a production line, and used for conveying produced angle steel to the mechanism, and limiting the direction of the angle steel through a movement roll; the vertical lifting device is used for adsorbing the angle steel into air through an electromagnetic suction disc, and avoiding vibration interference of equipment and a transmission device; the image acquisition system controls a movement support through a screw rod and then drives a camera and a light source to rapidly move and shoot, theshot images are transmitted to an upper computer and image processing is carried out, and the angle steel is conveyed to a corresponding station according to a feedback result. The angle steel detection device and detection method for the electric iron tower are capable of realizing online automatic measurement and sorting for the angle steel, and high in automation degree, lower the labor intensity of manual detection and sorting, and greatly increase the detection efficiency for the angle steel and the production efficiency.

The invention discloses a system for monitoring the tilting height of an outboard motor, which includes a fixed frame fixed on the edge of the hull and an outboard motor movably connected with the fixed frame, and also includes a tilting height sensing device, a controller, a central controller and display instrument; the tilting height sensing device is used to measure the tilting height information of the outboard motor, and is fixedly arranged on a fixed frame and is movably connected with the main body of the outboard motor; the controller calculates the tilting height of the tilting height sensing device Warp the height signal and send the warping height signal to the central controller, and communicate with the central controller; the central controller is used to control the warping of the outboard motor and receive the warping height signal, and convert the warping height signal into a pointer The signal is electrically connected to the display instrument; the display instrument is used for real-time display of the tilting height information of the outboard engine and is fixedly installed in the operating room. This scheme can display the warping height value of the outboard motor in real time through the display instrument, which brings great convenience to the driver's safe driving.

The invention belongs to the processing equipment technical field, in particular to a vertical lathe. The invention solves the technical problems that processing error is large and structure design is unreasonable in the prior art. The vertical lathe comprises a rotary table arranged horizontally, an actuating unit which is connected on the rotary table and can drive the rotary table to rotate aswell as a fixture which is arranged on the rotary table and used for fixing work pieces, and the vertical lathe also comprises a cutter rest arranged independently, and the cutter rest is provided with a cutter which can process the work pieces when the rotary table rotates. The vertical lathe has the advantages that: 1, the structure that the rotary table and cutter are separately arranged, thusavoiding vibration interference when the two are at work, greatly improving processing accuracy and reducing noise; 2, the cutter rest made by concrete is adopted, thus effectively improving strength, avoiding vibration and further improving processing accuracy; besides, concrete is easy to process and make; 3, automation degree is high, and the vertical lathe is easy to operate and use, thus greatly reducing labour intensity and improving labour efficiency.

The invention discloses a high-resolution sound pickup, which comprises a bottom plate, a first seat body, a second seat body, a rotary driving mechanism, a radial driving mechanism, an ultrasonic sound pickup head and a signal processing unit; the first seat body is provided with an accommodating circular groove in which magnetorheological fluid is stored; the second seat body is provided with a disc mounting circular groove; the disc mounting circular groove and the accommodating circular groove are coaxial; the rotary driving mechanism is used for driving the ultrasonic sound pickup head to rotate circumferentially; the radial driving mechanism is connected with the output end of the rotary driving mechanism and is used for driving the ultrasonic sound pickup head to move in the radial direction; the ultrasonic sound pickup head is used for generating a vertically upward magnetic field to enable the magnetorheological fluid to form a conical magnetorheological fluid stylus, and is used for sending out an ultrasonic signal, receiving an ultrasonic reflection signal and feeding back the received ultrasonic reflection signal to the signal processing unit; and vibration interference in the pickup process is avoided, the sound information reading precision is improved, the playing sound quality is better, and sound can be accurately restored.