65results about How to "Precise positioning control" patented technology

The invention relates to an S typed four roller pressing extending line host computer distance adjusting system. A high precision roller distance control system consists of an distance adjusting part and a control part, wherein, the distance adjusting part drives a turbine box by a servo motor through a deceleration box, a worm gear drives a nut through inner and outer gear covers, the screw rod copulated with the nut does not rotate, the rotation of the nut drives the screw rod to move forward or backward in the radial direction, and the screw rod is connected with a bearing body; and the control part is a controller which sends command signals to a servo controller which controls a servo motor, the servo motor feeds back the data information to the servo controller through a coder, the servo controller carries out compare and calculation according to the current roller distance, afterwards the servo controller drives the servo motor to operate or stop, and a closed loop control is accomplished. The accurate fault detection function of the distance adjusting system eliminates mechanical fixed return difference through the procedures so as to ensure the positioning accuracy; the operational synchronization ensures the adjusting stability and synchronization of two ends in the roller canister; the automatic positioning of the roller distance is achieved, and the formula function of the roller distance is achieved.

The invention discloses a locking device which is used for a medical device transportation system in the human body, which is characterized in that the invention includes a locking head, a locking cap and a connection part which connects the locking head and the locking cap, wherein, one end of the locking head is sheathed in the connection part, and the other end thereof is sheathed in the locking cap. The invention can easily carry out the positioning control of a transportation duct of the transportation system by the matching of the locking cap and the locking head, the structure of the invention has simple design and easy operation, which can avoid the displacement of the transportation duct of the transportation system during using process, thus the medical device can be effectively released and positioned during installation process.

The invention discloses a framework oil seal automatic pressing machine, and belongs to the technical field of framework oil seal pressing. According to the framework oil seal automatic pressing machine, the problems that in the prior art, the working efficiency is low, and the pressing quality is poor in consistency are solved. The framework oil seal automatic pressing machine comprises a rack; the rack is provided with a pressing station quick-changing device, an executing mechanism, a guiding compressing device and an axial positioning device which are mutually matched; the pressing stationquick-changing device is fixed to the rack through a linear guiding rail II; the pressing station quick-changing device comprises a transverse fixed air cylinder I and a transverse movable air cylinder II; and a piston rod of the transverse fixed air cylinder I is connected with a fixing plate through a first connecting plate, the transverse movable air cylinder II is fixed to the fixing plate, apiston rod of the transverse movable air cylinder II is connected with a second connecting plate, and the fixing plate can slide along the linear guiding rail II. The framework oil seal automatic pressing machine is mainly used for pressing operation of a framework oil seal and a sealing cover.

The invention relates to a conveying system for conveying an implant and a driving handle. A sheathing canal for conveying the implant can be controlled to move at a high speed or a low speed. The driving handle comprises a shell, a fixing piece, a first driving mechanism and a gear transmission mechanism, the gear transmission mechanism is arranged in the shell, the input section of the gear transmission mechanism is connected with the first driving mechanism, and the output section of the gear transmission mechanism is connected with the fixing piece and used for being driven by the input section to rotate; the first driving mechanism is used for driving the gear transmission mechanism to drive the fixing part to move along the axis of the driving handle, and the gear transmission mechanism is used for outputting multiple transmission ratios and selectively driving the fixing part to move through one of the multiple transmission ratios. The conveying system comprises the driving handle, an outer pipe and an inner pipe assembly. The inner pipe assembly is arranged in the outer pipe in a penetrating manner, is used for fixing the implant and keeps static relative to the shell; theouter pipe is connected with the fixing piece, and the fixing piece is used for driving the outer pipe to axially move relative to the inner pipe assembly.

The invention discloses a parking auxiliary device which comprises a support, movable wheels, a buffer frame, a telescopic frame, an ultrasonic probe, an alarm device, an ECU, planet gear speed reduction motors and fork frames. The top of the support is connected with the buffer frame through a spring. The buffer frame is connected with the telescopic frame. The cross section of the support is ofan arc-shaped structure. The two ends of the support are connected with the fork frames respectively. The fork frames are internally provided with the movable wheels. The movable wheels are provided with the planet gear speed reduction motors respectively. The movable wheels are in transmission connection with the planet gear speed reduction motors. The movable wheels on the same sides of the supports are in transmission connection through belts. Tension wheels are arranged between the belts and the supports. The parking auxiliary device is reasonable in structural design and ingenious and novel in concept, vehicles can be conveniently and rapidly parked in parking spaces when needing to be parked on the sides, repeated backup troubles are omitted, probable vehicle scratching is avoided, the parking space is reduced when the parking difficulty is lowered, and the utilization rate of a parking lot is increased.

Provided is a numerical control device with which the tip position of a tool can be positioned with high precision in a three-dimensional space. This numerical control device (1) is equipped with a position correction unit (5) and an error data storage unit (10). The error data storage unit (10) stores error data for the X-, Y-, and Z-axes, that is, data pertaining to the angular error (Eax, Eay,Eaz) around the X-axis, the angular error (Ebx, Eby, Ebz) around the Y-axis, and the angular error (Ecx, Ecy, Ecz) around the Z-axis. The position correction unit (5) calculates a revision amount (Mx,My, Mz) in accordance with the tool length, on the basis of a command position (Ix, Iy, Iz), the error data, and tool length data for the tool being used, revises a correction amount (Cx, Cy, Cz) forthe command position (Ix, Iy, Iz), and uses the revised correction amount to correct the command position (Ix, Iy, Iz).

The invention discloses a double-channel plunger flow assignment electro-hydraulic actuator. The actuator comprises a two-way pump, a two-way oil cylinder, an oil tank and an oil channel system. A forwarding oil supplying first oil outlet and a reversing oil supplying second oil outlet are formed in the two-way pump. The oil channel system comprises a first oil channel communicated with the first oil outlet and a left chamber of the two-way oil cylinder and a second oil channel communicated with the second oil outlet and a right chamber of the two-way oil cylinder. By means of the actuator, two pressure oil is produced through forward and reverse rotation of the two-way pump to be output independently through two channels, and accordingly, the oil cylinder reciprocating is achieved, a traditional solenoid directional valve is not needed, the actuator is simple and reliable, the two-way oil cylinder volume efficiency is high, 'packeted oil' is prevented, oil can be pumped in the low rotation speed, and high-accuracy location control of the pump control system is achieved.

The invention provides a finite time sliding mode control system and method for a bridge crane system under a limited control input. The method comprises the following steps: 1, determining a controltarget of a two-dimensional under-actuated bridge crane system; step 2, according to the control target obtained in the step 1, constructing a total sliding mode surface of the system in combination with a hierarchical sliding mode theory; 3, constructing a total control law of the system according to the total sliding mode surface of the system obtained in the step 2; and 4, constructing a control-limited fast terminal sliding mode controller according to the total control law of the system obtained in the step 3. The method provided by the invention has two control effects, can provide a basis for rapid anti-swing and accurate and effective positioning control of the bridge crane system under various complex conditions, and enables the bridge crane system to be better applied to variousindustrial fields.

The invention relates to a tungsten crucible double-sleeve hoisting frame, which is characterized by comprising an inner sleeve (1) and an outer sleeve (2), wherein the inner sleeve (1) comprises a plurality of circular-arc plates (12) arranged on the same circumference and a lifting plate (11) connected to the top of the circular-arc plates (12); inward hook claws (13) are arranged at bottoms of the circular-arc plates (12); inner sleeve positioning rings (14) are fixed to inner walls on upper parts of the circular-arc plates (12); the outer sleeve (2) comprises a cylinder (22) and a support plate (21) which is fixedly connected to the top of the cylinder (22); an outer sleeve positioning ring (23) is fixedly connected to the outer wall on the upper part of the outer sleeve (2); and the lifting plate (11) is connected with the support plate (21) by a compression bolt (3). The tungsten crucible double-sleeve hoisting frame can be precisely positioned and controlled, and is difficult to crush, raw materials filled into a crucible still can be hoisted, the operation can be performed reliably for a long time, and the tungsten crucible can be better protected to ensure that a sapphire furnace runs safely and efficiently for a long time.

The invention discloses an automatic water-seal water supplementing device and method. A power controller is electrically connected with an electric control valve, a water inlet and a water outlet are formed in the electric control valve, a water inlet pipe is connected with the water inlet, a water supplementing pipe is connected with the water outlet, the water supplementing pipe is connected with a water draining branch pipe in a non-closed mode, the water draining branch pipe communicates with a water seal body, and an outlet of the water supplementing pipe is higher than the highest point of a water seal. The invention further discloses the automatic water-seal water supplementing method. The automatic water-seal water supplementing device and method can achieve the technical effect of automatic water supplementing of the water seal in a building, the device is simple, reliable, economical and applicable, the water seal does not lose efficacy and water stored in the water seal is replaced, bad smell in a pipeline system is prevented from diffusing into a room, the problem of bad smell caused by drying of the water seal in the building is solved, and the risk that pathogenic bacteria are spread through the water seal losing efficacy can be effectively reduced.

A precision positioning and controlling system for material carrying of a pneumatic manipulator is mainly composed of a programmable logic controller (PLC) control module, a horizontal manipulator arm, a vertical manipulator arm, manipulator pneumatic claws, a manipulator rotary shaft, a stepping drive module, a pneumatic control module and the like. Rotation, grabbing and releasing of the pneumatic manipulator are controlled by applying the PLC technology and the stepping motor control technology, and precision positioning and control over material carrying of the manipulator are achieved. The system is simple in control, convenient to operate, reliable in operation, accurate in positioning and good in using effect. A method, principles and technologies of the precision positioning and controlling system can be expanded to the industries including machinery, metallurgy, chemical engineering, electronics, medicine, food processing, printing, delivery centers and ports, and broad application prospects are achieved.

The invention discloses automatic mould release agent spraying equipment for a shield segment mould, which belongs to the technical field of automatic shield segment production equipment, and particularly relates to equipment for automatically spraying a mould release agent to the shield segment mould. The equipment comprises a control system, a spraying mechanism and a moving mechanism, wherein the spraying mechanism is mounted on the moving mechanism; the control system is separately connected to the spraying mechanism and the moving mechanism; the spraying mechanism comprises a spray head,a feeding tube, an air compressor and a mould release agent raw material barrel; a plurality of interfaces are arranged on the spray head; the air compressor is separately connected to a first gas inlet tube, a second gas inlet tube and a third gas inlet tube; the mould release agent raw material barrel is connected to the first gas inlet tube; and the first interface of the spray head communicates with the mould release agent raw material barrel through the feeding tube. The automatic mould release agent spraying equipment has the beneficial effects that: an X-direction moving module drives the spraying mechanism to transversely move, a Z-direction moving module drives the spraying mechanism to vertically move, and can be matched with a rotary driver, so that the spraying mechanism can perform curve motion along motion track to accomplish automatic spraying for an arc-shaped inner cavity of the mould.

The invention discloses a passive take-off and landing type high-speed mobile workbench of a hydraulic machine. The platform mainly comprises a moving platform, a driving device, a linear rail deviceand the like. The moving platform comprises a main table plate, an end cover, a guide sleeve, a cylindrical guide pin, a dragging side plate, a rack, a spring lifting device, a linear rail sliding block and the like, wherein the driving device comprises a servo motor, a speed reducer, a flange, a bearing seat, a transmission shaft, a gear and the like, and the linear rail device comprises a linearrail, a bracket, a shift-out collision block, a shift-in collision block and the like. According to the passive take-off and landing type high-speed mobile workbench of the hydraulic machine, a driving mechanism specially used for controlling the lifting and descending of a mobile workbench and power input are not required, thus simplifying a hydraulic machine system, reducing malfunction pointsand saving energy; in addition, the friction resistance is small, so that high-speed shift-in and shift-out and accurate repeated positioning is achieved, and the waiting time of lifting, lowering andother auxiliary actions can be avoided, thus greatly improving the working efficiency of a mobile refueling type hydraulic machine.

The invention provides a driving handle and a conveying system for conveying an implant. The driving handle can drive an outer tube which is used for conveying the implant to perform variable motion,namely, the handle controls motion of the outer tube at different speeds according to requirements of actual operation, thereby improving operation efficiency and reducing operation difficulty. The driving handle specifically comprises a hand-held sleeve, a fixed sleeve, a first driving mechanism, a second driving mechanism and a transmission mechanism; at least one part of the fixed sleeve movably penetrates through the hand-held sleeve; the first driving mechanism, the second driving mechanism and the transmission mechanism are all movably arranged on the hand-held sleeve; the first drivingmechanism is connected with the fixed sleeve, and is configured to directly drive the fixed sleeve to move along the axis of the driving handle at a first speed under action of external force; the second driving mechanism is configured to push the transmission mechanism under action of external force; and the transmission mechanism drives the first driving mechanism and the fixed sleeve to synchronously move along the axis of the driving handle at a second speed, wherein the second speed is not equal to the first speed.

The invention belongs to the technical field of automatic shield segment production devices and particularly relates to an automatic clearing device of a shield segment mold. The automatic clearing device of the shield segment mold comprises a control system, a clearing mechanism and a moving mechanism. The clearing mechanism is installed on the moving mechanism. The control system is connected with the clearing mechanism and the moving mechanism. The moving mechanism comprises a support, an X-direction moving module and a Z-direction moving module. The X-direction moving module is installed at the upper end of the support. The Z-direction moving module and the X-direction moving module are connected. A rotation driver is installed on the Z-direction moving module. The automatic clearing device of the shield segment mold has the beneficial effects that the X-direction moving module and the Z-direction moving module cooperate with the rotation driver to enable the clearing mechanism toconduct curvilinear motion along a motion path, and then automatic clearing of an arc inner cavity of the mold can be completed; and in this way, the production efficiency is greatly improved, the production cost is lowered, and the problem that manual clearing enables the shield segment to generate flaws, lowers precision is low in efficiency is solved.

The invention discloses a metallurgical vehicle position detection control system. The metallurgical vehicle position detection control system comprises a laser limiting detection instrument, a PLC control cabinet, a frequency converter and a metallurgical vehicle, wherein the laser limiting detection instrument is connected with the PLC control cabinet and is used for detecting the position of the metallurgical vehicle in real time and sending a detection result to the PLC control cabinet, a man-machine interaction operation system is embedded in the PLC control cabinet and used for achievingprecision positioning and acceleration and deceleration control over the metallurgical vehicle through an algorithm, and the PLC control cabinet is connected with the frequency converter and used forcontrolling the metallurgical vehicle in an interlocking mode. According to the metallurgical vehicle position detection control system, accurate positioning and position detection functions of the metallurgical vehicle are achieved, meanwhile, two-place visual operation of equipment is achieved, labor intensity of posts is reduced, and an operation mode is simplified; and safety performance in the use process is further greatly improved.