33results about How to "Precision control is accurate" patented technology

The invention provides a roller machine suitable for coating chemical coating, which is characterized in that the roller machine comprises two sets of coating mechanism arranged top to top, a support roller mechanism, a turning roller component, a frame, a synchronous mechanism, a shower, a back-coated lifting device and a transmission mechanism. Back coating frames of a coating roller device, a reclaiming roller device and a regulating roller device fitted with specially made polyurethane material are driven by an oil cylinder and synchronous lifting at both sides is assured by the synchronous mechanism in the coating mechanism; clearance among the coating roller device, the reclaiming roller device and the regulating roller device is regulated by the regulating mechanism to regulate coating thickness. The shower line is in a lacquer tray of a front coating mechanism and a flat mouth shower with a valve is arranged on the shower line; flow rate of the paint is controlled and coating thickness is adjusted by regulating the valve. Jet tube mode is adopted in the lacquer tray of a bottom roller in the back coating mechanism; paint is agitated to prevent from deposition. The roller machine has the advantages that double-roller coating structure is adopted and one is used and the other is standby, maintenance and exchanging color are carried out online, time is saved and productivity is improved.

The invention relates to a steering drilling system based on top driving and ground control, and a drilling operation method. The steering drilling system comprises a top driving device; a ground signal processing system comprises a signal acquisition module which is connected with a signal filtering and amplification module; the signal filtering and amplification module is connected with a signal decoding module, and can filter clutter out of electric signals, amplify and enhance effective signals and transmit the effective signals to the signal decoding module; the signal decoding module is connected with an analog-to-digital conversion module; the analog-to-digital conversion module is connected with an information output module; the information output module is connected with an information calculation module and display equipment; the information calculation module is connected with an information transmission module; and the information transmission module is connected with a top driving electric control device by an interface circuit. For the steering drilling system based on the top driving and the ground control and the drilling operation method, the operation efficiency is high, the control is precise, the working performance is stable, and the operation can be carried out under various geologic conditions.

The invention provides a flying shear applicable to cutting a corrugated plate applied in metallurgy field, and includes an electric control system; the flying shear comprises an actuating motor 2, a locking device 3, a left and a right wheel boxes, an upper and a lower cutting devices, a leader device 9, a pedestal 19, a pinch roll, and a measuring motion, etc. The flying shear is characterized in that a section of the corrugated plated cut by the flying shear is vertical, whereas a section cut by a current flying shear is oblique; shapes of an upper and a lower blades are compatible with the shape of the corrugated plate; when adjusting a blade gap, the locking device is functioned as controlling a position of ''a bottom stop'' of the lower blade and a safe protection; while the pinch roll and the pinch roll of the measuring motion adopt heterotype to be suited for the waveform of the corrugated plate, thus functioned as locating a board and controlling the position of the board, and when cut, the steel plated has a fixed position; the equipment is provided with three encoders wherein the encoders are coordinated with each other according to difference of given signals, thus a controlling function of a closed loop is accomplished; a fixed length can be carried out accurately, thus ensuring that the precision of the fixed length is controlled within plus or minus 1.0mm.

The invention discloses a manufacturing method of a microporous membrane sinter filter element, is applicable to mounting and assembly occasions of combined type water purifiers and belongs to the technical field of water resource purification. Micropores of the microporous membrane sinter filter element manufactured through the method are formed through pure-physical hot melt binding instead of a chemical reaction; and the method adopts the principle that during the heating and sintering process of a main material, after being bonded with an auxiliary material during the melting process, the main material shrinks in the following cooling process to form three-dimensional space clearances, and the micropores are related to the main material and the auxiliary material in shapes and particle sizes. The manufacturing method has the advantages of simplicity and convenience in process molding, comprehensive formula, accuracy in precision control, reliable performance and low manufacturing cost.

The invention discloses a method for controlling a roll gap of a pinch roll. The method includes the steps of (1) grading strip steel thicknesses and material silicon content; (2) collecting strip steel material characteristic data; (3) respectively building low-grade, medium-grade and high-grade material silicon content data statistical tables, and obtaining historical actual performance values and historical set values, corresponding to the strip steel thickness grades and the material silicon content grades, of the roll gap between an upper clamping roll body and a lower clamping roll body; (4) enabling strip steel to enter a unit, and determining the strip steel thickness set value T according to the strip steel thickness grades; (5) determining a gap control coefficient K of the strip steel according to the material silicon content grade data statistical tables; (6) calculating the finial set value G of the roll gap between the upper clamping roll body and the lower clamping roll body, wherein the G is the product of the T and the K and is the finial set value of the roll gap of the clamping roll, and the T is the strip steel thickness set value. The method is accurate in accuracy control and high in expansibility and adaptability, a steel strip head can be normally clamped and conveyed and can normally penetrate through the clamping roll, defects are avoided, and the strip steel yield is high.

The invention provides a back-flushing filtration system and filtration method for a cutting fluid, belonging to the technical field of machining equipment. The back-flushing filtration system and filtration method overcome the technical problems of no self-cleaning capability and the like of conventional filter cores. The back-flushing filtration system comprises a fluid storage case provided with a dirty fluid chamber and a clean fluid chamber; the dirty fluid inlet of the dirty fluid chamber is communicated with a dirty fluid returning pipeline of a machine tool; the clean fluid outlet of the clean fluid chamber is connected with a clean fluid supply pipeline via fluid supply pumps; one side of the fluid storage case is provided with back-flushing self-cleaning filters equipped with filter core bodies; each back-flushing self-cleaning filter is provided with a filter inlet, a filter outlet and a blow-off valve and further provided with an evacuation and back-flushing structure capable of filling the filter inlet and / or the filter outlet with air; the dirty fluid outlet of the dirty fluid chamber is communicated with the filter inlets of the back-flushing self-cleaning filters via a filtering pump; and the filter outlets of the back-flushing self-cleaning filters are communicated with the clean fluid outlet of the clean fluid chamber. The back-flushing filtration system and filtration method have the advantages of high filtration accuracy and high filtering efficiency, and the filter cores have a self-cleaning function.

A reinforcing steel bar tensioning device of a high-speed railway ballastless track plate with a pre-tensioning method comprises a tensioning power mechanism fixed to a tensioning bed box through a guide post and a guide rod. The tensioning power mechanism is composed of two tensioning oil cylinders fixed side by side as a whole and is provided with a tensioning rod link head connected with a tensioning rod. The tensioning rod link head is connected with the end of a tensioning oil cylinder rod. The upper hole of the tensioning rod link head is a tensioning rod hole. According to the reinforcing steel bar tensioning device of the high-speed railway ballastless track plate with the pre-tensioning method, the tensioning device is fixed on the tensioning bed box through the guide post and the guide rod, installation, overhaul and replacement are convenient, the two tensioning oil cylinders corresponds to one tensioning rod and operates synchronously, the device volume is reduced and the tensioning power is ensured. a location locking mechanism is arranged to cooperate with the tensioning oil cylinders, precisely locating and locking in time during the tensioning process are realized, the synchronous tensioning and locking of all reinforcing steel bars are ensured, the situation of difference stress does not happen. The plug plate mechanism enables all tensioning mechanisms to be locked synchronously. In addition, plug plates are cooperated with each other in a contacting mode, the synchronous placing of the plug plates is ensured, the independent work between the tension mechanism and the corresponding tensioning rod is ensured, and the tensioning accuracy control is more accurate.

The invention relates to a pretreatment device for a water absorption detection sample of a ceramic tile and a control method of the pretreatment device. The pretreatment device comprises a rack, a conveying mechanism, a positioning mechanism, a plurality of groups of milling mechanisms and a control system; the rack is composed of a pair of longitudinal beams and a cross beam fixedly arranged at the tops of the longitudinal beams, the positioning mechanism is arranged at the bottom of the cross beam of the rack and used for fastening ceramic tiles on the conveying mechanism to prevent the ceramic tiles from unnecessarily moving in the milling process, the groups of milling mechanisms are arranged at the top of the positioning mechanism, the milling mechanisms are used for milling the surfaces of the ceramic tiles, the conveying mechanism is arranged at the bottom of the positioning mechanism, the conveying mechanism is used for conveying the to-be-treated ceramic tiles in place and providing continuous translation driving force in the milling process, and the control system is used for controlling the pretreatment device.

The invention discloses distribution equipment and a preparation method of marble-like hole bricks. The distribution equipment comprises a press, a holding device, a distribution device and a conveying device; the holding device is arranged on one side of the press; the distribution device is mounted on the conveying device, and is positioned below the holding device; the distribution device comprises a surface basket, a hole basket and a bottom basket; the surface basket, the hole basket and the bottom basket are horizontally mounted on the conveying device, and form an integral-molded structure; the bottom of the distribution device is leveled with the top of a lower mold of the press; and the conveying device conveys the distribution device into the lower mold of the press in the horizontal direction for distribution. The distribution equipment for preparation of the marble-like hole bricks realizes synchronous conveying and single ordered distribution of three ceramic blank raw materials with different functions of backing materials, surface materials and hole materials, and is simple in structure and high in distribution efficiency.

The invention provides a roller machine suitable for coating chemical coating, which is characterized in that the roller machine comprises two sets of coating mechanism arranged top to top, a supportroller mechanism, a turning roller component, a frame, a synchronous mechanism, a shower, a back-coated lifting device and a transmission mechanism. Back coating frames of a coating roller device, a reclaiming roller device and a regulating roller device fitted with specially made polyurethane material are driven by an oil cylinder and synchronous lifting at both sides is assured by the synchronous mechanism in the coating mechanism; clearance among the coating roller device, the reclaiming roller device and the regulating roller device is regulated by the regulating mechanism to regulate coating thickness. The shower line is in a lacquer tray of a front coating mechanism and a flat mouth shower with a valve is arranged on the shower line; flow rate of the paint is controlled and coating thickness is adjusted by regulating the valve. Jet tube mode is adopted in the lacquer tray of a bottom roller in the back coating mechanism; paint is agitated to prevent from deposition. The roller machine has the advantages that double-roller coating structure is adopted and one is used and the other is standby, maintenance and exchanging color are carried out online, time is saved and productivity is improved.

The invention relates to an intelligent control device of a motor for an electric automobile. The intelligent control device can control operation of the motor precisely and improve operating efficiency of the motor. The intelligent control device comprises an angle induction device and a magnetic field emission device, wherein the angle induction device is composed of an angle transducer, a circuit board and a mounting plate, the mounting plate is fixed to an end cover of the motor, the circuit board is fixed to the mounting plate and provided with the angle transducer, the magnetic field emission device comprises magnetic steel, the magnetic steel is fixed to the end portion of a motor shaft and has an N pole and an S pole, when the motor shaft is started to operate, a sine wave waveform with a phase difference of 45 degrees is generated between the magnetic steel and the angle transducer, a control system controls the sine wave waveform so as to control the motor to stably operate, more accurate precision control is achieved, operating efficiency of the motor is improved, driving comfort of the finished automobile is improved and the continuous operational mileage of the finished automobile is lengthened.

The invention provides a novel derusting machine for strip local double-sided derusting in the metallurgy field. The derusting machine consists of a memorial archway 1, an inlet feeding plate 2, a pressure plate device 22, and a beam 9. A synchronous motor 11 fixed on the memorial archway 1 drives a silk pole 7 to rotate, so that the a silk pole nut 6, and an upper door frame 3 and a lower door frame 12 fixed on the silk rod nut is only required to synchronously horizontally move a very short distance along the beam 9 through a linear guide rail to complete the derusting work of the whole width of the steel band. A swing frame cylinder 13 fixed on a swing frame 18 is thread-connected with a connecting guide sleeve 5 which is provided internally with a buffer spring. The stretching of the swing frame cylinder 13 provides impetus pairs of multi-strand steel wire twisted brushes 23 to swing up and down. The pulley motor 14 provides impetus for a driving pulley 15 to drive a driven pulley19 through a middle pulley 16 to rotate a main shaft 20 and the multi-strand steel wire twisted brush 23. The derusting machine is safe and friendly to environment, and has high level of automation.

The invention provides a flying shear applicable to cutting a corrugated plate applied in metallurgy field, and includes an electric control system; the flying shear comprises an actuating motor 2, a locking device 3, a left and a right wheel boxes, an upper and a lower cutting devices, a leader device 9, a pedestal 19, a pinch roll, and a measuring motion, etc. The flying shear is characterized in that a section of the corrugated plated cut by the flying shear is vertical, whereas a section cut by a current flying shear is oblique; shapes of an upper and a lower blades are compatible with the shape of the corrugated plate; when adjusting a blade gap, the locking device is functioned as controlling a position of ''a bottom stop'' of the lower blade and a safe protection; while the pinch roll and the pinch roll of the measuring motion adopt heterotype to be suited for the waveform of the corrugated plate, thus functioned as locating a board and controlling the position of the board, and when cut, the steel plated has a fixed position; the equipment is provided with three encoders wherein the encoders are coordinated with each other according to difference of given signals, thus a controlling function of a closed loop is accomplished; a fixed length can be carried out accurately, thus ensuring that the precision of the fixed length is controlled within plus or minus 1.0mm.

The invention provides a variable cross-section space angle steel component assembling precision control method and system. The method comprises the following steps of detecting a jig frame platform, marking out the jig frame platform, installing the system on the jig frame platform, finely adjusting the system, performing secondary fine adjustment on the system after a steel tower component is in place, assembling segments, disassembling the system and reusing the system. The problems that an existing segment manufacturing method and tool are low in efficiency, large in material consumption, large in damage, low in universality, large in man-machine consumption for disassembly and assembly and potential safety hazards exist are solved. The system is accurate in precision control, wide in application range, high in repeated utilization rate, convenient to operate and good in safety; the method can be used for assembling and precision control of various variable cross-section space angle steel members, the manufacturing precision is guaranteed, meanwhile, the production efficiency is improved by two times, the tool cost is reduced by 50%, and cost reduction and efficiency improvement are remarkable; positioning, assembling and adjusting are convenient and fast; labor and machinery can be saved in each link, and construction tasks can be efficiently completed.

The invention discloses a cascade mold inspection tool. The inspection tool comprises a go gauge and a no-go gauge used cooperatively with the go gauge, wherein the go gauge comprises a holding part Aand a detection part A fixedly connected with a bottom end of the holding part A; the holding part A and the detection part A are integrally formed; the no-go gauge comprises a holding part B and a detection part B fixedly connected with a bottom end of the holding part B; and the holding part B and the detection part B are integrally formed. The cascade mold inspection tool disclosed by the invention has the beneficial effects of simple structure, easy manufacturing, low cost, high detection efficiency, accurate precision control, short detection time and simple determination standard.

The invention relates to a sawtooth driving mechanism for an electric saw, which includes a driving slider, a driving guide rail and a proximity switch; the driving guide rail has a pair, which are symmetrically installed on the side wall of the gantry frame, and the two ends of the driving slider are respectively installed on two on a driving guide rail, and can be driven by the driving device to move up and down; the proximity switch is installed on the side end of the driving slider, and at the same time, a contact plate used with the proximity switch is also provided on the gantry frame. There is also a scale plate, and the contact plate can be adjusted up and down according to the scale of the scale plate. The advantage of the invention is that the device can provide a basis for precise control of the working stroke of the main shaft.

The invention discloses a planetary gear device. The planetary gear device comprises a gear body. The gear body is provided with a flange. Gears are arranged on the periphery of the flange of the gear body. A left end inner hole and a right end inner hole are formed in the center of the flange of the gear body. A left end annular groove is formed in the position, on the flange of the gear body, of the left end of the left end inner hole. A right end annular groove is formed in the position, on the flange of the gear body, of the right end of the right end inner hole. A baffle ring is arranged between the left end inner hole and the right end inner hole and provided with evenly distributed baffle ring holes. A plurality of left end oil holes formed in the radial direction of the left end inner hole are formed in the wall, on the left side of the baffle ring, of the left end inner hole. A plurality of right end oil holes formed in the radial direction of the right end inner hole are formed in the wall, on the right side of the baffle ring, of the right end inner hole. All the left end oil holes and the right end oil holes communicate with the roots of teeth outside the gear body. The planetary gear device is good in lubricating and radiating performance, convenient to machine and mount and has quite high application and popularization value.

The invention relates to a host control method and belongs to the communication control field. The method comprises steps that CAN device parameters are configured; CAN communication is opened, and interconnection among a CAN device, a PC and an MCU microcontroller is established; the CAN device is opened, and parameters of a solenoid valve driver are configured; a to-be-controlled control channelis selected; required parameters are sent to the MCU microcontroller through the CAN message; an MCU microcontroller message is received, and a feedback value is analyzed. The method is advantaged inthat design is reasonable, the method is stable and reliable, is simple and convenient and is easy for operation, precision control is accurate, and use demands of people can be satisfied.

The invention relates to a planet gear. The planet gear comprises a gear body and is characterized in that the gear body is provided with a gear rim, the outer circle surface of the gear rim of the gear body is provided with a gear, and the pressure angle of the gear is 25-27 degrees; the center of the gear rim of the gear body is provided with a left end inner hole and a right end inner hole; andbaffle rings are arranged between the left end inner hole and the right end inner hole. According to the planet gear, the baffle rings are arranged between left end inner hole and the right end innerhole of the planet gear, the left end inner hole and the right end inner hole are the same in diameter, machining and manufacturing are convenient, and precision control is accurate; and in addition,the pressure angle of the gear is 26.5 degrees, so that the pressure angle of the planet gear is more reasonable, the mechanical strength is good, and the service life is prolonged.

The invention discloses a scrap cutter edge surface machining method, and belongs to the field of scrap cutter edge machining. The scrap cutter edge surface machining method comprises the following steps: (1) turning: scrap cutter edges to be machined are assembled in a lathe after installation on a turning and grinding fixture; and scrap cutter edge surfaces to be machined are roughly turned by the lathe; (2) milling: the scrap cutter edges roughly turned in the step (1) are assembled in a milling machine after installation on a milling fixture; and the scrap cutter edge surfaces are milled by the milling machine; and (3) grinding: the scrap cutter edges milled in the step (2) are assembled into a grinding machine after installation on the turning and grinding fixture; and the scrap cutter edge surfaces are finely grinded by the grinding machine. The edge surfaces of the scrap cutter edges to be machined are machined through the turning, milling and grinding steps, and all the steps can be performed at the same time, so that the machining method achieves higher overall efficiency; and through each step machining, the precision of the scrap cutter edge surfaces is continuously improved, and the scrap cutting effect and the service life of the scrap cutter edges are improved.

The invention discloses a citrus packaging machine. The citrus packaging machine comprises a rack, a transmission device, a heat-assisted cutting device, a to-be-packaged sorting and positioning device, a film shrinkage and finished product conveying damping device and an intelligent high-definition control system, wherein the cutting device is composed of a supporting cutter, an upper cutter, a sliding block, a motor base, a connecting rod, a crank, a coupler and a heat-assisted cutter; the supporting cutter is of a funnel-shaped structure and is fixed to the rack through bolts, and plastic with the thickness being 3mm is arranged on the surface of the supporting cutter; the upper cutter is formed by welding a round support and an optical shaft with the shaft diameter being 30mm; a cutterfor cutting a preservative film is fixed to the bottom end of the round support; and the optical shaft is matched with the fixed sliding block with the inner diameter being 30 mm. The citrus packaging machine is easy and convenient to operate, low in manpower requirement and beneficial to improving the labor productivity. The citrus packaging quality is stable, the packaging rejection rate is low, and the production cost is obviously reduced. The citrus packaging machine can conduct operation conveniently and rapidly, the labor intensity of workers can be relieved, and the single citrus packaging and processing time is shortened.

The invention discloses a position detection system. The position detection system comprises a detection device. The detection device is connected with a sensing system and connected with a signal receiver through a light wave wire. The signal receiver is connected with a signal processing panel through a light wave wire. The signal processing panel is connected with computer equipment through wireless signal sending equipment, and the computer equipment is provided with monitoring equipment. The position detection system has the advantages that position detection is accurate, the precision is well controlled, and the accuracy coefficient of the system is improved.

The invention discloses a sector section changing guide track mounting method based on a modularization principle, and relates to the technical field of building materials. The method comprises the following steps: 1, before concrete of a wallboard is poured, ensuring that positioning of embedded parts is accurate, and the embedded parts and the concrete on the outer side of the wallboard are located on the same plane; 2, when the upper portion of a sector section changing guide track is mounted, reasonably dividing a combination unit, combining the upper portions of the sections 1-8 of the sector section changing guide track and the upper portions of the sections 13-14 of the sector section changing guide track into two integral bodies, assembling the integral bodies on the ground to forma whole body and then hoisting the whole body, wherein the problems about safety, precision and efficiency caused by split mounting are avoided; and 3, adjustment of the changing guide track: carrying out data adjustment, secondary machining adjustment and mounting of a guiding plate and final simulated running of a sector section changing guide track verifying device to ensure precision. The method has the advantages that the process principle is convenient and fast to set, the method is convenient to implement, the construction progress and the quality are guaranteed, the design requirements are met, and the method has strong practicability.

The invention relates to a steering drilling system based on top driving and ground control, and a drilling operation method. The steering drilling system comprises a top driving device; a ground signal processing system comprises a signal acquisition module which is connected with a signal filtering and amplification module; the signal filtering and amplification module is connected with a signal decoding module, and can filter clutter out of electric signals, amplify and enhance effective signals and transmit the effective signals to the signal decoding module; the signal decoding module is connected with an analog-to-digital conversion module; the analog-to-digital conversion module is connected with an information output module; the information output module is connected with an information calculation module and display equipment; the information calculation module is connected with an information transmission module; and the information transmission module is connected with a top driving electric control device by an interface circuit. For the steering drilling system based on the top driving and the ground control and the drilling operation method, the operation efficiency is high, the control is precise, the working performance is stable, and the operation can be carried out under various geologic conditions.