109results about How to "Control running speed" patented technology

The invention relates to an automatic stringer which comprises a power transmission device, an automatic meat slicing device with a propelling automatic meat locking box, a knurling tool meat cutting device, a shearing and feeding device and an automatic prod punching device, wherein the device integrates slicing, slitting, bar-cutting and prod-stringing, so that the production efficiency is improved, automation and multi-functionalization can be further realized, the automatic stringer is multipurpose, and the consumption of manpower and material resources as well as financial resources is greatly reduced. The automatic stringer not only can string meat, but also can string various foods such as balls and the like. Moreover, meat in different thicknesses and different sizes can be stringed. The mechanical degree and the production efficiency are improved, and the automatic stringer is easy to operate and maintain, low in cost, small in size and high in degree of automation.

The invention discloses an automatic brick making production line, which comprises a feeding machine, a jaw breaker, a crushing machine, a roller screen, a storage bin, a stirring machine, a brick making machine, a slitter, a base cutter, a base grasping machine, a base transport machine, a setting platform and a rotary kiln, wherein the rotary kiln and the setting platform are arranged on an annular track, the feeding machine, the jaw breaker, the crushing machine and the roller screen, which are connected through a conveyer belt in sequence, are arranged at the outer side of the annular track, the storage bin, the stirring machine, the brick making machine, the slitter and the blank cutter, which are connected through the conveyer belt in sequence, are arranged at the inner side of the annular track, the roller screen is connected to an inlet of the storage bin through an overhead conveyer belt, the blank transport machine is concentric to the annular track, is annular and is arranged at the inner side of the annular track, a blank distribution table is connected to the inner side of the blank transport machine through the blank cutter, the blank grasping machine is arranged on the blank distribution table, the blank grasping machine and a setting robot are arranged on the setting platform, and a sintering process is completed by the rotary kiln after brick base are piled by the setting robot, so that automatic production of brick is realized.

The invention relates to an intelligent control method and system for a wiper. The method comprises the following steps that weather information of the location of a vehicle is acquired; when the weather information is snowfall, snow accumulation condition of the outer surface of a vehicle window is acquired; according to the snow accumulation condition, the wiper is controlled to clean away accumulated snow. According to the intelligent control method and system for the wiper, the accumulated snow on the vehicle window can be cleaned away in time, and freezing of the vehicle window is avoided; furthermore, combing with the weather condition of the location of the vehicle, it can be judged whether to conduct monitoring of the snow accumulation condition on the vehicle window or not, the condition is avoided that the vehicle window is also subjected to monitoring of the snow accumulation condition when no accumulated snow exists, resources can be saved effectively, and the judgment on when to monitor the accumulated snow on the vehicle window can be more accurate.

The invention discloses an electro-hydraulic control system capable of achieving ultralow-speed stable running of a hydraulic machine. The electro-hydraulic control system mainly comprises a hydraulic pump, an overflow valve, a check valve, a three-way flow control valve, a first two-way ball valve, an adjustable fluidic resistor, a second two-way ball valve, a third two-way ball valve, a supporting valve, a main hydraulic cylinder and a return cylinder. At the ultralow-speed feeding stage of the hydraulic machine, the electro-hydraulic control system has a route of hydraulic oil entering the return cylinder through the hydraulic pump, the check valve, the adjustable fluidic resistor and the second two-way ball valve all the time, and therefore a certain opening can still be kept at the ultralow-speed feeding stage of the hydraulic machine, the unstable phenomenon that the hydraulic oil is intermittent when the flow is too small is avoided, and stability of the ultralow-speed running of the hydraulic machine is ensured. The three-way flow control valve is arranged on an oil inlet route of the main hydraulic cylinder, and therefore the oil inlet flow of the main hydraulic cylinder can be effectively controlled at the ultralow-speed feeding stage, and it is ensured that the hydraulic machine can run according to a preset displacement-speed curve or a displacement-pressing force curve.

The present invention proposes a wireless charging system, method, and sweeping robot. The wireless charging system includes: a transmitting system, including a first control module, used to control a first power supply, and provide a first current; a transmitting module, used to receive The first current, and convert the first current into an AC signal and transmit it; the receiving system, including a receiving module, is used to receive the AC signal, and convert the AC signal into a second current, and according to the distance between the transmitting system and the receiving system Generate an indication signal corresponding to the distance; the second control system is used to receive the second current and the indication signal to charge the second power supply. Through the wireless charging system, the non-contact charging of the sweeping robot can be realized.

The invention provides a GIS (Geographic Information System)-based operational control method and system for a pipeline cleaner or a detector. The operational control method comprises the following steps: acquiring a circuit graph layer of a natural gas pipeline by using a GIS; acquiring natural gas flow data in real time by establishing a pipeline model and using an SCADA (Supervisory Control and Data Acquisition) system; calculating a theoretic flow value of natural gas in the natural gas pipeline; controlling and adjusting the actual control flow value to be equal to the calculated theoretic value according to the actual natural gas flow data value acquired in real time; further controlling the operational speed of the pipeline cleaner or detector. The method and the system realize real-time control of natural gas flow of each trace point gate station of the natural gas pipeline, ensure that the flow data can be reasonably scheduled by detection personnel and further effectively control the operational speed of the pipeline cleaner or detector.

The invention discloses a stepping beam lifting synchronous control method of a stepping plate blank heating furnace, comprising the following steps of: adjusting the set value of a speed by mainly using a molten steel side beam to ensure that the molten steel side beam completes the corresponding stroke with the set time according to the set speed; using the molten steel side beam as the reference datum for the lifting of a finished steel side beam, obtaining the position differential of the two beams according to the measuring valve of a displacement sensor, and then calculating the speed compensating value of the finished steel side beam; using the speed compensating value outputted by a PID controller as the output of a PLC and correcting the lifting speed of the finished steel side beam in real time so that the finished steel side beam follows the molten steel side beam in real time, and then realizing the synchronous running of the lifting. In the invention, the position differential of the two beams is controlled within 10 millimeters so that the heating quality of the plate blank is ensured, and then the stepping beam is protected. Meanwhile, the invention reduces the failure rate, reduces the maintenance time of equipment, enhances the heating efficiency, lowers the cost and increases the benefits.

The invention discloses a magnetic suspension electric automobile which comprises a rear wheel magnetic suspension bearing driving system, a front wheel magnetic suspension bearing system and a detection control system, wherein the rear wheel magnetic suspension bearing driving system comprises an axial magnetic suspension rear differential (1), a power magnetic suspension bearing (2), a rear speed governing clutch, a rear semiaxis and a rear wheel; the front wheel magnetic suspension bearing system comprises an axial magnetic suspension front differential (6), a radical magnetic suspension bearing (7), a front speed governing clutch, a front semiaxis and a front wheel; the detection control system comprises a controller (8) and a sensor. The magnetic suspension electric automobile realizes no friction and no abrasion bearing between the semiaxis and the frame, and directly drives the semiaxis to rotate so as to drive the wheels through an electromagnetic torque, shortens a transmission chain, and improves the drive efficiency; therefore, the energy consumption is obviously reduced, and the power property of the electric automobile is improved.

The invention discloses an FPC feeding robot. The FPC feeding robot comprises a rack and a conveying belt. The conveying belt is arranged on the rack. Conveying wheels are arranged in the conveying belt. A rotating speed sensor is arranged on one conveying wheel. A bin is arranged at the right ends of the conveying wheels. A feeding hopper is arranged at the upper end of the bin, and a discharging hopper is arranged at the lower end of the bin. A push rod is arranged in the bin. A drive motor is connected to the lower end of the push rod. The drive motor is provided with a frequency modulation speed changer connected with the rotating speed sensor through a wireless network. A material supply tray is arranged at the upper end of the push rod. A material pushing device is arranged on the material supply tray. The whole device is compact in structure, the design principle is simple, very high using value is achieved, and FPC feeding can be well finished. The FPC manufacturing efficiency is greatly improved, the FPC feeding robot can well adapt to different feeding speeds for material supply, a very high automation degree and a very high intelligent degree are achieved, and the FPC feeding robot is worthy of popularization.

The invention discloses a running machine which comprises a rack. The running machine further comprises a universal running plate, rollers and a running belt. The universal running plate comprises a plate body and a plurality of universal balls arranged on the plate body. The rollers comprise the front roller arranged in front of the front end face of the universal running plate and the rear roller arranged in front of the rear end face of the universal running plate. The running belt wraps the universal running plate and the rollers. Due to the fact that the universal balls are adopted in the universal running plate, friction force between the running belt and the universal running plate is greatly reduced; the universal balls are spherical, and borne pressure can be evenly distributed to all the balls; the multiple universal balls are arranged on the plate body, the distance between the running belt and the universal running plate cannot change along with movement of the running belt, and therefore a runner can do running exercises easily and freely, the running speed of the runner can be controlled, the runner can stop and walk at will, and the safety of the running machine is greatly improved.

The invention relates to a hydraulic test table of an electro-hydrostic actuator. The table comprises a test base, a test tool, a hydraulic system, an electric control system and a detection system. Through the test tool, mounting and dismounting of the tested electro-hydrostic actuator can be rapidly finished on the test base, the hydraulic system is used for testing the tested electro-hydrostic actuator, through the electric control system, the hydraulic system and the test process are controlled, through the detection system, test data in the test process can be collected and fed back to the electric control system to be analyzed and treated, the full-automatic test device is provided for the property test of the electro-hydrostic actuator, and the advantages of being high in test precision, high in test efficiency and high in practicability are achieved.

The invention provides a two-speed hydraulic cylinder and a lifting mechanism applying the same. The invention relates to the two-speed hydraulic cylinder and the lifting mechanism, wherein the hydraulic cylinder comprises a cylinder body and a piston movably arranged in the cylinder body; an oil channel, a fast hole and a damping hole are arranged at the bottom of the cylinder body; the oil channel is used for being communicated with an external oil way; the cylinder body comprises a motion chamber for allowing the piston to do piston motion; the two ends of the fast hole and the two ends of the damping hole are communicated with the oil channel and the motion chamber respectively; the end of the fast hole, which has a large diameter, is communicated with the motion chamber; the hydraulic cylinder further comprises a limit valve rod and an elastic piece, and the limit valve rod is opposite to the fast hole; the end, accommodated in the motion chamber, of the limit valve rod is provided with a blind hole; the elastic piece and part of the limit valve rod are accommodated in the blind hole; and the other part of the limit valve rod extends out of the blind hole under the elastic action of the elastic piece. During the oil return process of the hydraulic cylinder, when the limit valve rod is not propped against the fast hole, the hydraulic cylinder returns oil simultaneously through a fast channel and a slow channel, and when the limit valve rod is propped against and seal the fast hole, the hydraulic cylinder returns oil only through the slow channel.

The invention discloses an alternating current servo drive fine blanking machine. The alternating current servo drive fine blanking machine comprises a master cylinder, a workbench, a directional valve control system and a pump control system. A piston rod on the master cylinder is connected with the workbench. The directional valve control system and the pump control system are connected with the master cylinder. A position sensor used for detecting the position of the workbench in the perpendicular direction is arranged on the workbench. Position signals detected by the position sensor are transmitted to a servo motor controller in the pump control system. The servo motor controller transmits fine blanking speed signals corresponding to the position signals to an alternating current servo motor in the pump control system, and finally the operation speed of the piston rod on the master cylinder is controlled. With the alternating current servo drive fine blanking machine, the current situation that because the fine blanking speed of a traditional fine blanking machine is constant, the request for fine blanking machining on thick plates and composite materials cannot be met is changed, the speed of fine blanking is controlled in real time according to the position changes of the workbench, and therefore production efficiency and machining accuracy are improved.

The invention relates to a linear motor drive and hydraulic driven oil pumping unit for oil extraction, which comprises well head equipment, an oil pipe, electric control equipment, a linear motor, a hydraulic power system and an oil extraction pump, wherein the well head equipment is connected with the linear motor through the oil pipe; the electric control equipment is used for controlling the linear motor and supplying power to the linear motor; the linear motor is arranged in a well and provides power for the hydraulic power system; the hydraulic power system can provide power for the oil extraction pump to do up-down reciprocating motion. The linear motor drive and hydraulic driven oil pumping unit for oil extraction has the beneficial effects of overcoming the technical defects of complex ground equipment, high one-time investment maintenance cost and poor adaptability.

The invention belongs to the technical field of mechanical equipment, and in particular, relates to a loading roller way with a buffer device. The loading roller way comprises a bearing base; the bearing base includes a first layer of support plates, a second layer of support plates, a third layer of support plates and a fourth layer of support plates arranged from top to bottom; the first layer of support plates and the second layer of support plates are connected through connecting plates A; the third layer of support plates and the fourth layer of support plates are connected through connecting plates B; middle support plates A and middle support plates B are arranged between the first layer of support plates and the second layer of support plates; the middle support plates A are connected with the first layer of support plates through connecting plates C; the middle support plates B and the second layer of support plates are connected through connecting plates D; limiting columns A and limiting columns B are arranged on the third layer of support plates; the limiting columns A are coated with springs A; and the limiting columns are coated with springs B.