33results about How to "Control motion state" patented technology

The invention relates to a testing device of a machine tool guide rail, in particular to the testing device of a large-span machine tool guide rail protective cover. The testing device of the large-span machine tool guide rail protective cover is characterized in that an under carriage is included, a servo motor which is controlled through a controller is fixed in one side of the under carriage, a synchronous belt and a driving platform which move in the length direction of the under carriage are sequentially matched to be arranged on the servo motor, and guide rails which are matched with the testing protective cover to make reciprocating motion are fixed on the two sides in the width direction of the under carriage. The testing device of the large-span machine tool guide rail protective cover is unique in structure, short in testing period, reliable in testing and long in service life.

The invention belongs to the technical field of underwater bio-mimetic robotic fishes, and particularly relates to ostraciidae-imitating autonomous robotic fish capable of achieving sink-and-swim motion. By adopting a gravity center adjusting method and a method of water suction and discharge, high speed underwater submerging and surfacing motion of the robotic fish is achieved, wherein the robotic fish can depend on a pectoral and a tail fin to propel and adjusts an angle of inclination through a heavy block to achieve the high-speed underwater submerging and surfacing motion, and further, submerging and surfacing motion of the robotic fish under a low-speed condition can be achieved through changing of the gravity of the robotic fish. Compared with a former mechanism, the adjusting range and the degree of precision of the robotic fish are greatly improved, the motion of direct swimming, steering, upward floating, diving and the like of the bio-mimetic robotic fish at various speeds can be achieved, and the capability of underwater motion of the robotic fish is improved. An upper shell body is divided into an upper shell body upper cover and an upper shell body connecting piece, the upper shell body connecting piece is connected with a lower shell body, the joint of the upper shell body connecting piece and the lower shell body is smeared with 703 silicone rubber, and static seal is formed between the two shell bodies. Deep-groove ball bearings are arranged at the two ends of a ball screw, a limiting switch and an encoder are arranged on a mechanism support, and the encoder is connected with the ball screw. Data of the movement condition of a balancing weight is sent back through the encoder, and a closed loop with a high precision is achieved. The situation that a fish head can adjust an angle of inclination of a fish body according to needs to reach to a set depth is guaranteed through the design.

The invention discloses a control method of a hydraulic rotary table. The control method comprises the following steps of acquiring the rotation position information of the rotary table and calculating to obtain an expected output pressure value and an expected output flow value; respectively outputting actual pressure and actual flow according to the expected output pressure value and the expected output flow value; acquiring an actual pressure value and judging whether the expected output pressure value is equal to the actual pressure value or not; if no, calculating the difference value of the expected output pressure value and the actual pressure value; and outputting the corrected pressure according to the difference value. The invention also discloses a hydraulic rotary table system. In addition, the invention also discloses an injection molding machine comprising the hydraulic rotary table system. The control method of the hydraulic rotary table is additionally provided with an output pressure and position feedback link, so that the actual pressure value and the actual position are additionally subjected to corrected pressure output, and furthermore the rotary table is precisely controlled.

The invention aims to provide a door machine left slow door slide plate assembly, and particularly relates to an elevator quick and slow door safety linkage structure and a safety system correspondingthe elevator quick and slow door safety linkage structure. The linkage structure is arranged between an elevator quick door and an elevator slow door, and accordingly, the situation that safety accidents occur due to the fact that the slow door is opened when the quick door is not opened is avoided. According to the door machine left slow door slide plate assembly, faults caused by door closing and faults during power operation are not prone to occurring, in addition, passengers determine a stepped pulley door, a platform and a lift car according to the switch position of the lift car, LED lamps are installed on the bottom face of an entrance of the lift car and can be turned on and off, thus, elevator using safety accidents can be prevented, and the aesthetic feeling is realized.

The invention provides a power control device and a control method thereof and a surgical operating system. The power control device comprises a driving shaft, a transmission shaft, a bidirectional screw lead, a sliding block, a limiting device and a clutch control mechanism, wherein the driving shaft, under rotating power provided by virtue of an external power system, can do a rotating motion; the bidirectional screw lead is connected to the driving shaft and the bidirectional screw lead, which is driven by virtue of the driving shaft, can do a rotating motion; under the control of the clutch control mechanism, the bidirectional screw lead and the sliding block are engaged or separated; the limiting device and the transmission shaft are connected; when the sliding block and the bidirectional screw lead are engaged and when the bidirectional screw lead does the rotating motion under the driving of the driving shaft, the sliding block can do a reciprocating motion along the driving shaft and the sliding block can cause mutual action force with the limiting device so as to drive the transmission shaft to do a reciprocating motion; and the first end of the transmission shaft is connected to an external surgical blade, and the external surgical blade, which is driven by virtue of the sliding block, can do a reciprocating motion. With the application of the technical scheme provided by the invention, the motion state of the surgical blade is controlled.

The invention relates to a relaxation instrument for conditioning, in particular to a relaxation instrument for conditioning in the neurosurgery department. According to the relaxation instrument, massage effect is good, people can be in a comfortable state, stability is high in a massage process, and displacement is not prone to occurring. The relaxation instrument for conditioning in the neurosurgery department comprises: an outer frame and side frames, wherein the side frames are arranged on the two sides of the outer frame; a baffle, which is arranged on the outer frame; and two air bags, which are arranged on the baffle at intervals. According to the invention, a massage mechanism is arranged and is matched with a smearing mechanism, the smearing mechanism can spray massage essential oil to the temples, the massage mechanism can massage the temples, and then, massage relaxing effect can be effectively improved; and by arranging a pressing mechanism, the pressing mechanism can massage the eyes, so the eyes can be relaxed.

The invention provides a cooking utensil which is provided with an exhausting structure. The exhausting structure comprises an exhausting pipe, a valve element and a driving part, wherein a hole is formed in the side wall of the exhausting pipe; the valve element is used for adjusting the opening-closing state of the exhausting pipe and is movably arranged in the exhausting pipe; the driving partpenetrates through the hole to be connected with the valve element and can control the valve element to move in the exhausting pipe to adjust the exhausting flow of the exhausting pipe. The cooking utensil solves the problem that the exhausting amount of a pressure cooker in the prior art cannot be adjusted.

The invention discloses a balance control device of the spray boom of a high ground clearance boom sprayer and a control method of the balance control device. The balance control device comprises a balance control system, wherein the balance control system comprises components such as a controller, an electromagnetic damper and sensation equipment. When the controller judges that the spray boom moves downwards according to detection signals of the sensation equipment, the electromagnetic damper is controlled to generate damping force for obstructing the rotor of the spray boom to rotate, and according to movement states of the spray boom, the damping force of the electromagnetic damper is adjusted in a soft stopping mode, so that vibration of the spray boom tends to be stable; and when thecontroller judges that the spray boom moves upwards, power supply current of the electromagnetic damper is cut off, and then the electromagnetic damper does not generate the damping force till the speed that the spray boom moves upwards is turned into zero. By adopting the device and the control method of the device disclosed by the invention, the balance stability of the spray boom of the high ground clearance boom sprayer in operation can be effectively improved, and the device is precise in control, reasonable in structure planning, easy to manufacture, implement and maintain and applicable to popularization and application.

The invention discloses a cell capture and detection micro-fluidic chip, which comprises a flow channel substrate and an electrode substrate,. The flow channel substrate is provided with a micro-flow channel structure, and the micro-flow channel structure comprises a sample inlet, a detection micro-cavity and a sample outlet. The sample inlet is jointly formed by a cell injection port and a buffer solution injection port which are respectively used for enabling a cell solution and a phosphate buffer salt solution to flow in, the two injection ports are converged into the same flow channel, and the tail end of the flow channel is gradually expanded and converged into an open cavity, namely a detection microcavity; the detection microcavity is enclosed by four hyperbolic curves, four hyperbolic curve type electrodes are arranged on the wall surface of the cavity, a special alternating electric field can be generated in the microcavity to realize cell capture and cell detection, and an inlet and three outlets are formed in four corners of the cavity; the sample outlet comprises two lateral outlets and an opposite outlet, the lateral outlets are used for outflow of non-captured cells, and the opposite outlet is used for regulating and controlling the state of a flow field. According to the cell capture and detection micro-fluidic chip, capture and dielectric detection of specific types of cells can be realized.

The invention provides a power control device and a control method thereof, and a surgery operating system. The device comprises a shell, a driving shaft, a transmission shaft, a driving gear, a transmission gear, an elastic device and a control pin; the driving shaft, which is driven by a power system, can do a rotating motion; the driving gear, which is driven by the driving shaft, can do a rotating motion; under the action of external force, the elastic device can be transformed from a basic state to a target state by virtue of the control pin; the elastic device is arranged in the shell and is connected to the transmission shaft, and when the elastic device is under the target state, the driving gear and the transmission gear are controlled to get separated; when the elastic device is under the basic state, the driving gear and the transmission gear are controlled to get meshed; when the transmission gear and the driving gear are meshed, the transmission shaft, which is driven by the driving gear, can do a rotating motion; and a first end of the transmission shaft is connected to an external surgical blade, and the external surgical blade, which is driven by the transmission gear, can do a rotating motion. With the application of the technical scheme provided by the invention, the motion state of the surgical blade is controlled.

The invention discloses a miniature drive circuit for an electroactive polymer actuator. The drive circuit comprises a high-energy-density low-voltage battery, the high-energy-density low-voltage battery is connected with a feedback sensing unit after sequentially passing through a control module, a switching circuit and the electroactive polymer actuator, and the feedback sensing unit is used for detecting the running state of the actuator, and performs feedback control on the on-off of the driving circuit; and the loading time of the voltage on the electroactive polymer actuator is controlled by using a switching signal, and the maximum charging electric quantity of the actuator, the deformation size of the actuator or the driving force are measured through the feedback sensing unit to carry out feedback control on the pulse width. The drive circuit is small in size and convenient to use, and meets the requirements of carrying and testing anywhere.

The invention provides a control circuit of an intelligent toy car and belongs to the field of control circuits. The control circuit comprises a motor driving circuit, a controller circuit, a state detecting circuit, a voice receiving circuit, a voice data storage circuit, an obstacle detecting circuit and a wireless circuit. The output end of the motor driving circuit is connected with a motor of the toy car; the input end of the motor driving circuit is connected with the controller circuit. The output end of the state detecting circuit is connected with the controller circuit; the output end of the voice receiving circuit is connected with the controller circuit. The voice data storage circuit and the wireless circuit are connected with the controller circuit; the output end of the obstacle detecting circuit is connected with the controller circuit.

The invention relates to a robot, and concretely relates to a magnetic micro-nano robot capable of directionally delivering a medicine, and a preparation method thereof. The magnetic micro-nano robot capable of directionally delivering the medicine comprises pollen particles, and magnetic coatings are attached to the surfaces of the pollen particles. The preparation method of the magnetic micro-nano robot capable of directionally delivering the medicine comprises the following steps: 1, extracting pollen, and grinding the pollen to obtain pollen particles; 2, cleaning the pollen particles twice to obtain clean pollen particles; 3, drying the clean pollen to obtain dried pollen particles; 4, applying a magnetic coating containing Fe-O to the dried pollen particles through a surface sol-gel method to obtain coated particles; 5, processing the coated particles through high-temperature carbonization to obtain a magnetic spiny micro-nano robot; and 6, wrapping the surface of the magnetic spiny micro-nano robot with a medicine layer, and soaking the magnetic spiny micro-nano robot in simethicone for 24 h to form a lubricating layer.

The invention relates to the technical field of door and window sales, and discloses an intelligent showing stand for door and window sales. The intelligent showing stand comprises a base, the interior of the base is of a hollow structure, teeth are arranged on the inner wall of the base, a second support plate is rotatably connected to the top of the base, and a first sliding groove is formed in the top of the second support plate; and a supporting rod is fixedly connected to the top of the second supporting plate, a top seat is fixedly connected to the top of the supporting rod, and a first moving groove and a second moving groove are formed in the front side of the supporting rod. According to the intelligent showing stand for door and window selling, a transmission frame is made to move downwards in a first moving groove, then synchronous rotation of a second fixed shaft and a rotating ring is achieved, and through rotation of a door and window, a client can know information of the door and window more comprehensively, attract the client and know more comprehensive information of the door and window, and the client interest is generated; and meanwhile, the physical strength of the customer is reduced to a certain extent, and the endurance of the customer is improved.