205results about How to "Achieve displacement" patented technology

The invention provides a visual experiment device and method for simulating fracture-vug type carbonatite oil reservoir gas injection. The visual experiment device for simulating fracture-vug type carbonatite oil reservoir gas injection comprises a computer, a camera, a visual core clamping device, a planar light source, a simulation formation water piston container, a stratigraphic simulation oil piston container, a gas piston container, a constant-flux pump, a six-way valve, a pressure meter, a pressure stabilizing tank, a back-pressure valve, an oil, gas and water metering device and a pressure-resistant gas flow meter. The visual experiment device is adopted in the experiment method. By means of the device and method, fracture-vug type carbonatite oil reservoir gas injection can be simulated, production performance of the recovery efficiency is improved, and flow states and distribution conditions of a crude oil phase, a gas phase and a water phase in the gas injection huff and puff process can be observed.

The invention relates to a high speed multi-dimensional vibration measuring device and method based on a stripe target. The device comprises a stripe target, an imaging module, a signal control and processing module and a display module. The method includes the following steps: arranging the stripe target on a vibration structure to be measured; adopting an image module to conduct continuous imaging and recording on the stripe target; utilizing the imaging module to transmit the image of the stripe target to the signal control and processing module; utilizing the signal control and processing module to conduct Fourier transform on the stripes at the same position of the same stripe target in each frame of the image, adopting a certain peak value frequency correction method to accurate correct the peak value frequency, and then utilizing the imaging mathematical relation and the corrected peak value frequency to obtain a time domain curve with stripe target structure vibration, namely acquiring structure vibration signals through reduction; displaying an image processing result through a display module or conducting further data processing through vibration signals. By means of the device and method, vibration measurement of points, lines and faces in certain range is achieved, the measurement speed is high, and the accuracy is high.

The invention relates to a micrometric displacement regulation device, in particular to a combined type transmission variable-angle micrometric displacement regulation device comprising a fixed base,a worm gear, a worm, a screw rod, a push rod, joint bearings and a regulation and fastening part. By regulating a handle at one end of the worm, the worm and the worm gear are engaged to realize primary transmission. The center of the worm gear provides a thread hole, and secondary transmission is realized by a thread pair and the screw rod. The rotary motion of the screw rod is restricted by a flat key, and the push rod only can be pushed along a linear direction. Both ends of the push rod are respectively arranged with the joint bearing, and the push rod pushes a working platform to realizeangle rotation or linear displacement motion. The invention also can adopt a motor for control. A worm shaft is connected with a motor shaft by a shaft coupling, and the motor is connected with a computer by a driving control system to realize control. A displacement sensor can be arranged on the screw rod and used for measuring the displacement quantity of the screw rod at real time. The entire control system can adopt an open-loop or closed-loop system. The invention has compact layout and simple kinematic chain and ensures the regulation accuracy. The invention can be used by combining a single set or a plurality of sets so as to meet the regulation requirement of different angles or displacements of the working platform. The invention is especially suitable for an occasion for regulating the displacement or angle with moderate accuracy in a micron magnitude or an arc second magnitude.

A snake feeding device comprises a base having opposite ends, an actuator pivotally mounted on the base, and first and second sets of drive rolls spaced apart in the direction between ends of the base. Each set includes a roll on the base and two rolls on the actuator for engaging a snake therebetween and displacing the snake relative to the base in the direction between the ends thereof in response to rotation of the snake. The actuator selectively displaces the rolls of each set relative to one another.

The invention discloses a method to control automobile to drive in a cluster type formation. Automobile driving is controlled by using a basic driving unit-cluster, and a speed control model is provided on the basis of horizontal and vertical formation models. The method can be used to control the speed, acceleration and displacement via horizontal and vertical control, delay of time signals can be reduced, and is significant.

A robot able to crawl along wire features that it has a primary drive mechanism composed of drive motor, drive wheels and the belt for drive wheels, a secondary one composed of drive wheels and the belt for drive wheels, and a combined clamp for linking the primary drive mechanism with the secondary one. Said drive wheels of primary and secondary drive mechanisms are staggered on the wire to make their belts to closely clamp the wire.

The invention discloses a computer breast scanning automatic machine positioning system, wherein a self-rotation angle encoder is installed between every two neighboring mechanical arms, and is used for measuring a relative rotation angle in a space between two mechanical arms, and sending to a processor. A mechanical arm probe is connected with one of the end parts of multiple mechanical arms, and is used for scanning the breasts in the different space positions, and transmitting a scanned image to the processor. The processor is used for recording manual calibration left/right AP positions and a nipple image initial position, and according to the space relative rotation angle of each mechanical arm corresponding to the mechanical arm probe in each different space position, determining the image positions obtained by scanning in the different space positions and the displacement of the nipple in the image. The computer breast scanning automatic machine positioning system is capable ofaccurately, efficiently and automatically determining the image position in the scanning image obtained in a moving scanning process of the ultrasonic scanning probe and the nipple image displacementinformation, and the structure is simple, and the manufacturing cost is low.

The invention provides bridge cable steel with the tensile strength being greater than or equal to 2500 MPa. The bridge cable steel comprises chemical components of, by weight, 1.21-1.25% of C, 1.1-1.5 % of Si, 0.2-0.5 % of Mn, no more than 0.01% of P, no more than 0.01% of S, 0.07-0.09 % of Cr, 0.06-0.08% of Ti, 0.16-0.20% of Al, 0.005-0.009 % of N, 0.001-0.0015 % of B and 0.002-0.005 % of Zr. Aproduction method comprises the steps that hot metal pretreatment is conducted; converter smelting is conducted; RH vacuum treatment is conducted; continuous casting is conducted to form a billet; thecasing billet is cut through flame in the longitudinal direction after indoor stacking slow cooling is conducted; the casting billet is heated; the casting billet is initially rolled to small squarebillets; the square billets are heated after stacking slow cooling is conducted; high-speed rolling is conducted; laying is conducted; and the square billets are cooled through air to the room temperature. According to the bridge cable steel with the tensile strength being greater than or equal to 2500 MPa and the production method, the strength reaches more than 2500 MPa after the square billetsare subjected to drawing, galvanizing and stabilizing treatment, the condition that the number of torsions is not less than 12 times is simultaneously met, and the bridge cable steel can meet the construction demand of a large bridge with the bridge span being greater than 1100 meters.

The invention relates to the technical field of test and specifically relates to an integrated test device for stress and displacement of rock mass based on fiber bragg grating and a system. The integrated test device for stress and displacement of rock mass based on fiber bragg grating is equipped with a displacement test device and a stress test device, wherein the displacement test device is equipped with a conical component, an elastic sheet, a thimble, a protecting chamber, a connecting block, a first spring, a force transferring rod and a protecting tube; an optical grating is arranged on an upper surface and/or a lower surface of the elastic sheet; the stress test device is equipped with a fiber bragg grating hollow inclusion stress meter; the displacement test device and the stress test device are connected through a steel frame and a connector, so that the integrated test for the stress and displacement of rock mass can be realized.

Welding equipment includes a torch for irradiating a laser beam (B), wire feeding means (2) for feeding a filler wire (F), and a tracking means (3) for controlling the moving tracks of the torch (1) and the wire feeding means (2) to make a welding line (Y) copy them. The tracking means (3) has a contactor (30A) provided to freely advance/retract for making contact with a joint object (W) resiliently. The joint objects (W) are jointed mutually by touching the contactor (30A) of the tracking means (3) resiliently to the joint object (W) while feeding the filler wire (F) to a welding portion andirradiating that portion with a laser beam (B), thereby moving the torch and the wire feeding means (2) to copy the welding line (Y).

The invention relates to a numerical control slot milling machine for processing a copper tailstock. The slot milling machine comprises a rack, a main shaft, a feed mechanism, a mechanical arm mechanism, a clamp mechanism, a cutter mechanism, a power mechanism, a transmission mechanism and a numerical control sense mechanism, wherein the feed mechanism, the mechanical arm mechanism, the clamp mechanism, the cutter mechanism, the power mechanism, the transmission mechanism and the numerical control sense mechanism are installed on the rack; the power mechanism is connected with the transmission mechanism; the numerical control sense mechanism is connected with main shaft; and the cutter mechanism is connected with the main shaft. The numerical control slot milling machine for processing the copper tailstock is characterized in that the mechanical arm mechanism comprises a mechanical arm base, an oscillating bar, a chuck, a chuck spring, a bend board, a connecting rod, a shaft base, a push rod device, a cam device, a cullis, a scraping wing, a fixed rod, an oscillating bar spring, a connecting sliding column and an oscillating bar. The numerical control slot milling machine for processing the copper tailstock is high in automation degree, high in work efficiency, high in slot milling precision and high in slot milling speed.

A carrier-roller gravitational material conveyer comprises front support legs and rear support legs. A frame is fixedly connected to the upper ends of the front and rear support legs. The frame which is inclined is connected with a plurality of mutually parallel carrier rollers in a relative rotation manner. The carrier rollers are disposed from top to bottom along a slope of the frame. Retaining boards are fixedly connected to the frame outside the ends of the carrier rollers and perpendicular to the carrier rollers. Reinforcing support boards are fixedly connected outside the retaining boards and mutually perpendicular to the retaining boards. The lower edges of the reinforcing support plates are fixedly connected to the frame. Auxiliary support legs are fixedly connected below the middle of the frame. The carrier-roller gravitational material conveyer is designed according to practical field conditions according to the principle that the carrier rollers are driven to rotate to move the material on the conveyer by drive force produced by material gravity and slope level difference; the problems that field short-distance conveying of iron wires is high in labor intensity and has potential safety hazards are solved.

The invention discloses a design method for forming a flower transplanting track by a two-stage non-circular gear five-bar driving mechanism. An existing transplanting mechanism track is not suitable for flower transplantation. The design method specifically comprises the following steps: firstly, constructing a two-stage non-circular gear five-bar driving mechanism, and establishing a free end point of a second connecting rod, so as to form a mathematical model of a double-buckle track; then reversely determining angular velocity change rules of a first crank and a second crank through the established mathematical model, designing a two-stage non-circular gear, and verifying whether the two-stage non-circular gear five-bar driving mechanism satisfies existence conditions of the double cranks. According to the design method, the angular velocity ratio of the first crank to the second crank is changed by adopting the two-stage non-circular gear five-bar driving mechanism, the double-buckle track is realized, so as to realize seedling taking and planting motions, the flower transplanting track can be realized, and full automatic transplantation of various crops such as fruits and vegetables can be realized.

The invention discloses a bent pipe outer polishing device. The bent pipe outer polishing device comprises a machine tool body which is provided with a grinding mechanism and a reverse rotating mechanism. The grinding mechanism comprises a grinding driving mechanism and a polishing strap arranged on the grinding driving mechanism. The reverse rotating mechanism comprises a reverse driving mechanism and a rotating plate arranged on the reverse driving mechanism. The polishing strap is matched with the rotating plate. The grinding mechanism and the reverse rotating mechanism are connected with a controller. The bent pipe outer polishing device can automatically polish the outer surfaces of a bent pipe and a straight pipe. A supporting and moving mechanism of the bent pipe is omitted due to the fact that the grinding mechanism is horizontally arranged, the complexity of a traditional outer polishing device is greatly simplified, the automation degree for outer polishing is improved, and all-face dead-angle-free polishing is performed on the surface of the bent pipe.

The invention relates to a circuit breaker comprising a first contact (4) and a second contact (5). An electric arc zone is disposed between the contacts (4, 5). A feed channel (13) opens into the electric arc zone, connecting the electric arc zone to a hot gas reservoir volume (14). The hot gas reservoir volume (14), in turn, is connected to a compression volume (18). An outflow opening (20a, 20b, 20c, 20d, 20e, 20f, 20g, 20h) is disposed in a wall (8) of the compression volume (18). The outflow opening (20a, 20b, 20c, 20d, 20e, 20f, 20g, 20h) is permanently open at least in the contacting state of the contacts (4, 5).

The invention provides an anti-rolling winding device and a tire type container gantry crane, and relates to the technical field of crane rolling prevention. The anti-rolling winding device comprisesa first unwinding mechanism and a plurality of anti-rolling units, wherein each anti-rolling unit comprises a first rope body, a pulley assembly used for being installed on a lifting appliance and a second unwinding mechanism used for being installed on a trolley; one end of each first rope body is connected with the first unwinding mechanism, and the other end of each first rope body penetrates through the corresponding pulley assembly to be connected with the corresponding second unwinding mechanism; and in the moving direction of the trolley and the moving direction of a cart, an inverted triangular structure is defined by the extending path of each first rope body and the trolley. According to the anti-rolling winding device, the abrasion of the first rope bodies is relieved, the lifting structure is more stable, and the anti-rolling effect is better.