37results about How to "Run precisely" patented technology

The invention discloses a temperature compensating method for an indoor machine of a commercial air conditioner, which includes the following steps in sequence: the indoor machine of the air conditioner starts running and a sensor senses the indoor temperature; the setting of compensating temperature is judged for whether being carried out through a remote controller; if the compensating temperature is not set, the machine runs for carrying out temperature control according to a formula that the indoor temperature is equal to the sensed temperature; if the compensating temperature is set, then the machine runs for carrying out temperature control according to the formula that the indoor temperature is equal to the sensed temperature plus the compensating temperature; and when the indoor temperature achieves a set value, the running is stopped. The temperature compensating method has the beneficial effects that the temperature compensating function is arranged on the remote controller; if the actual temperature is different from the sensed temperature, the temperature compensating setting function of the remote controller can be used for emending the indoor temperature and leading the air conditioner to run more accurately.

The invention discloses a device for growing tellurium-zinc-cadmium crystals by a traveling heater method, which is provided with a high-frequency electromagnetic induction heater and upper and lower resistance heating furnaces, wherein the upper and lower resistance heating furnaces form a holding zone at an intermediate heating section of a growth furnace body; a servo rotating mechanism drives an aluminum oxide support bar to drive a quartz material pipe to rotate; a servo linear motion mechanism drives the growth furnace body to make an up-and-down motion in the vertical direction; a control system controls output power of the high-frequency electromagnetic induction heater and the upper and lower resistance heating furnaces, and also controls the servo rotating mechanism, so that the tellurium-zinc-cadmium crystal growth material is positioned at the intermediate heating section of the growth furnace body; and the control system controls the servo linear motion mechanism to ascend at uniform speed, and also controls the servo rotating mechanism, so that the quartz material pipe rotates at uniform speed. The device disclosed by the invention can lower the crystal growth temperature, and reduces the impurity contamination; and the existence of the zone melting process has a purification action on the crystals, thereby finally acquiring the high-purity tellurium-zinc-cadmium crystals which completely conform to the requirements as a detector material.

The invention discloses an automatic seedling feeding device of a pot seedling transplanting machine for dry land vegetables. The automatic seedling feeding device is used for solving the problem that the research and development of a set of the automatic seedling feeding device are extremely urgent due to high intensity of a manual seedling feeding manner. The automatic seedling feeding device comprises a stander assembly, a sliding rail assembly, a chain transmission mechanism, a parallel graduation cutter, a transverse box moving assembly, a seedling box assembly, a longitudinal seedling feeding assembly and a seedling pressing disc assembly, wherein a sliding sleeve of the transverse box moving assembly sleeves a double helix shaft, and a guiding block is arranged in the sliding sleeve; a connecting shaft is connected with the sliding sleeve through a connecting plate; two main bracket plates of the seedling box assembly are fixed with the connecting shaft; a pressing plate shaft of the longitudinal seedling feeding assembly is hinged with the two main bracket plates; two ends of a chain wheel shaft are respectively hinged with two main bracket plates, and one end of the chain wheel shaft stretches out of the main bracket plates and is connected with an adjusting device; a catch pawl is hinged with the main bracket plates; two big chain wheels are respectively connected with the chain wheel shaft through keys and are sleeved with nylon chains; all chain pin shafts of the nylon chains stretch out of a chain plate on the inner side. The automatic seedling feeding device can realize a full-automatic seedling feeding manner and can be matched with a seedling fetching mechanism.

The invention relates to a train ticket automatic inquiry ticket machine and an operating procedure thereof. A power supply, a mono-chip computer, an optical mark reader and a ticket printer are installed in a cabinet type chassis; a keyboard, a paper card input port of an optical mark reader, a screen, a non-contact IC card imprinter and a ticket printer drawn port are arranged on the front surface of the cabinet type chassis; an inquiry ticket purchasing complete paper card matched to the optical mark reader is provided with information strips and squares as well as information squares for selecting date, train numbers, starting and terminal stations and seats, etc. of the ticket purchasing. The screen displays the inquired information after the passenger blackens the small information squares with a black pen and inserts the card into the optical mark reader input port; the passenger gets the booked ticket immediately after the ticket fare is paid by imprinting a card. By adopting the paper card to input information, the train ticket automatic inquiry ticket machine dramatically shortens the time of passengers occupying an automatic ticket vending machine and waiting in line, takes full advantage of rapid working effect of automatic inquiry ticket machine, and can effectively prevent ticket scalpers from scalping tickets. The train ticket automatic inquiry ticket machine can also be applied to ticket selling of road and water transport industry.

The invention relates to a lubricant pump unit (P) for lubricating the cylinders in precise time with the cycle in internal combustion engines (M) such as diesel engines. Said pump unit contains a working piston (22), which drives several metering pistons (25) that are allocated to lubricating point connections and can be driven back and forth in feed and return cycles by means of a working stroke that can be adjusted to meter the supply of lubricating oil, a magnetically actuated control valve (V) being provided in a control oil circuit of the working piston. The working piston (22) is subjected in turn to a hydraulic pressure both in the feed cycle and the return cycle by the control oil circuit.

The invention belongs to the technical field of a shelling device, and particularly relates to a peanut shelling device capable of preventing a screen from being blocked. The peanut shelling device comprises a shell; a rotating motor is arranged at the upper end of the shell; the rotating motor is in transmission connection with a rotating inner shaft; a one-way transmission device is arranged on the rotating inner shaft; the rotating inner shaft is sleeved with an outer pipe; the lower end of the outer pipe is fixedly connected with a shelling cylinder; a shelling plate is arranged in the shell; the shelling cylinder and the shelling plate are provided with extrusion teeth; and a scraping device is mounted at the lower end of a supporting plate. According to the peanut shelling device provided by the invention, the rotating motor rotates forwards to drive the rotating inner shaft to rotate, the rotating inner shaft drives the outer pipe to rotate through the one-way transmission device, drives the shelling cylinder to rotate and is matched with a shelling inclined plate to shell peanuts, and the rotating motor rotates reversely to enable the peanuts to fall out off screen meshes; compared with manual shelling, the peanut shelling device is higher in shelling efficiency and more efficient; and compared with traditional mechanical shelling, the peanut shelling device avoids the defect that shelled peanuts are clamped in the screen meshes, and provides convenience for next peanut shelling.

The invention discloses a rotating joint of an industrial robot. The rotating joint structurally comprises an upper joint arm, a lower joint arm, a driven gear, a driving gear device, a motor and a lubricating structure. The upper joint arm and the lower joint arm are fixedly connected. The driven gear is fixedly mounted on the upper joint arm and fixedly connected with a driving bevel wheel. Thedriving bevel wheel is fixedly connected with the motor and fixedly provided with the lubricating structure. The driving gear device is composed of a rotating shaft, a spring and a conical gear. The rotating shaft is fixedly provided with the spring. The spring can be fixedly connected with the conical gear. The lubricating structure is arranged so that the gears can be lubricated; and a filter net is arranged, thus foreign matter in lubricating oil can be filtered, and gear abrasion is reduced.

The invention provides a limit trigger type platinum resistance temperature sensor. The limit trigger type platinum resistance temperature sensor is characterized in that a temperature measuring portion and a fusing portion are arranged in a metal protective tube of a temperature measuring probe of the limit trigger type platinum resistance temperature sensor side by side, are filled with heat-conducting temperature-resistant insulating filling materials and are fixed by the aid of the heat-conducting temperature-resistant insulating filling materials, and setting spaces of the temperature measuring portion and spaces of the fusing portion are isolated from one another in an insulated manner by an insulating isolation component. According to the technical scheme, the limit trigger type platinum resistance temperature sensor has the advantages that motor cars or high-speed rail trains still can be subjected to reliable and accurate temperature monitoring and protecting by the aid of the limit trigger type platinum resistance temperature sensor even if a platinum resistance temperature sensing core is in abnormal states such as open circuit, short circuit, flash alarm and false alarm states and the like under the conditions of vibration, impact, rain and disturbance of complicated and versatile electromagnetic fields and even when the platinum resistance temperature measuring core fails.

The invention provides a heat sink without a circuit board. The heat sink comprises a fan frame base; a motor which comprises a stator set sheathed on the base and a rotor set coupled on the base; a monoblock control element which is an integrated circuit, and directly drives and controls operation of the heat sink and induces magnetic pole phase change of the motor without a circuit board; and a fixing seat which is fixedly connected to the base and provided with a slot for accommodating the control element. The monoblock control element drives and controls operation of the heat sink and induce the magnetic pole phase change of the motor, thus the heat sink saves a traditional printed circuit board, which reduces number of parts, lowers manufacturing cost and time, and avoid complex circuit design.

A voltage detection method for an alternating-current electric tool comprises the following steps: rectifying a voltage sinusoidal signal input by the voltage input end of the alternating-current electric tool, and obtaining a periodic waveform signal; acquiring a voltage value u corresponding to a sampling moment t of the periodic waveform signal in a preset sampling time period; carrying out linear fitting on the acquired voltage value u to obtain a slope k corresponding to the phase of the voltage sinusoidal signal; when the slope k is equal to a preset value, obtaining a phase phi corresponding to the voltage sinusoidal signal at the moment; and obtaining the phase phi of the voltage sinusoidal signal at any moment in a period T by taking the phase phi as an initial phase phi0. According to the voltage detection method, the initial phase and the phase at any moment in the period can be accurately obtained, the invention further provides the alternating-current electric tool applying the voltage detection method, the alternating-current electric tool can drive the motor to operate more accurately, and the problems of phase change errors, driving failures and the like are avoided.

The invention provides a test tool structure capable of simulating load operation of a motor, relates to the technical field of motor test tools, and solves the problems that in existing practical application process, detection work of a motor in vibration or swing environment cannot be simulated so as to obtain inaccurate detection result, and the working states of the motor in different working conditions such as cold or damp and hot conditions cannot be simulated so as not to comprehensively evaluate the performance of the motor. The test tool structure comprises a limiting mechanism, which is slidably connected to the top end position of a bearing mechanism. According to the invention, when a driving shaft rotates, the driving shaft can synchronously drive a guide rod inserted into the bottom end face of a guide disc to drive a swing disc, and the swing disc is driven by the guide rod to perform reciprocating left-right swing operation, so that the operation condition of the test motor in a bumpy state can be simulated so as to achieve the purpose of more accurate simulation.

The invention provides a reaction cup lifting and rotating device. The lifting and rotating device comprises a lifting and rotating device body connected with a manipulator body, the lifting and rotating device body comprises a lifting mechanism, a rotating mechanism and a spline connecting assembly, one end of a spline shaft of the spline connecting assembly is connected with the lifting mechanism, the other end is used for being connected with the manipulator body, and the rotating mechanism is connected with a rotating piece of the spline connecting assembly; and the lifting mechanism drives the shaft to do reciprocating motion in the rotating piece, the rotating mechanism drives the rotating piece to rotate, then the shaft is driven to rotate so as to drive the manipulator body to do lifting or rotating motion, and transportation of a reaction cup is achieved. The invention further provides a reaction cup transfer mechanism. The spline connecting assembly is cooperated with the lifting mechanism and the rotating mechanism to achieve lifting or rotating motion, the lifting motion and the rotating motion are separately and independently performed, during the lifting motion, the rotating mechanism is kept still, a depreciation speed of the rotating mechanism is reduced, maintenance cost is reduced, and an occupied space is small.

The invention discloses a stepping motor array control system and a control method thereof. The stepping motor array control system comprises a host machine, a controller, a complex programmable logic device (CPLD) driving device, an H-bridge driving chip and a stepping motor array which are connected with one another, wherein the stepping motor array comprises a plurality of stepping motors. The stepping motor array control system can accurately record running information of the stepping motors at the last time and guarantee that the stepping motors run precisely according to a control instruction during switching; the CPLD driving device is used for expanding the number of accessed stepping motors, a switching relay is avoided, and the cost of the whole system is reduced; furthermore, a phenomenon of short circuit caused by synchronously starting of an upper bridge and a lower bridge of a driving circuit can be avoided; and the CPLD driving device is used for finishing logic switching and controlling a plurality of paths of stepping motors to work at different times or at the same time. The stepping motor array control system also has the advantages of low cost, convenience in operation and the like.

The invention relates to an automatic doffing and transferring device for filament production. The device comprises a transverse sliding table, two longitudinal sliding tables and a forward-backward sliding table which are all equipped with closed dust-proof electric sliding table cylinders, wherein the transverse sliding table is arranged between the two longitudinal sliding tables; the forward-backward sliding table is arranged on the transverse sliding table; a servo, a connecting rod and a coupling which are connected in match are arranged between the longitudinal sliding tables. According to the device, the automation is realized, so that the labor intensity of workers can be reduced, the product quality can be improved, and the production cost is decreased.

The invention discloses a power supply switching selection circuit and a power supply. The power supply switching selection circuit comprises a first control module, the input end of the first controlmodule being used for receiving a power supply selection signal, and the power supply selection signal being used for representing selection of a first power supply or a second power supply; a firstdiode; a first switching circuit; a starting circuit, the first end of the starting circuit being connected with the second power supply, and the second end being connected with the first power supply; a second switching circuit, the first end of the second switching circuit being connected with the first power supply, the second end being connected with the third output end of the first control module, the third end of the second switching circuit being connected with the second power supply, and the fourth end being connected with the third end of the starting circuit; at least one second control module; at least one third switching circuit; at least one fourth switching circuit; and a power output end, connected with the fourth end of the first switching circuit and the fourth end of the second switching circuit and used for outputting power supply voltage. The power supply switching selection circuit can protect the whole circuit and enhance the stability of the system.

The invention discloses a controllable high-precision automatic cigarette taking device. The controllable high-precision automatic cigarette taking device is characterized by comprising a cigarette taking apparatus and a control electric cabinet used for controlling starting and stopping of a motor, the cigarette taking apparatus comprises a cigarette taking cabinet body, wherein the stepping motor, a cigarette taking wheel, a baffle plate I, a baffle plate II and a cigarette shifting wheel are arranged in the cigarette taking cabinet body, and a tooth-shaped belt is arranged among the outputend of the stepping motor, a cigarette taking wheel shaft and a cigarette shifting wheel shaft in a sleeving mode; both the baffle plate I and the baffle plate II are obliquely arranged downwards, a cigarette storage area is formed in the area between the baffle plate I and the baffle plate II, and cigarette taking grooves are formed in an outer ring of the cigarette taking wheel; when the cigarette taking wheel rotates clockwise, cigarettes can be clamped into the cigarette taking grooves; and a cigarette outlet channel is formed in the right side of the cigarette taking wheel, and the lowerend of the cigarette outlet channel is connected with a cigarette outlet. According to the controllable high-precision automatic cigarette taking device, cigarette taking is convenience, fast and controllable, and the situation that the cigarettes are not broken because of being clamped and the cigarette channel is not blocked in the moving process of the cigarettes is guaranteed.

The invention discloses a universal joint bell-shaped shell and a machining process. The shell mainly comprises a bell jar section, a first cylindrical segment, a spline segment and a second cylindrical segment, wherein the joint between the first cylindrical section and the second cylindrical section is provided with a smooth rounded corner transition, the material used by the bell-shaped shellcomprises the following components of, by percentage, 54%-68% of Fe, 1.5%-1.8% of Cr, 1.4%-1.7% of Ni, 0.15%-0.21% of C, less than or equal to 0.4% of Si, 0.5%-0.9% of Mn, less than or equal to 0.025%of P, less than or equal to 0.035% of S, 0.25%-0.35% of Mo, the balance impurities, and a blank of the bell-shaped shell is prepared by adding powder of the C, the Si, the Mn and the Mo during drawing and hot forging on a mixed matrix prefabricated by the Fe, the C, the Cr and the Ni. According to the shell, the structure is simple, the hardness is large, meanwhile, the self-lubricating propertyand the wear resistance are achieved, forming grinding is adopted, so that the machining precision on a spherical surface is greatly improved, the running precision is improved, and the service life of the shell is greatly prolonged through a blank drawing and forging forming technology and heat treatment.

The invention discloses an exact position regulating device, comprising a mounting seat, a workbench, a transmission mechanism and a driving mechanism; wherein the transmission mechanism comprises a transmission shaft, a transmission belt, a driving wheel and a mounting plate fixed with a plurality of transmission wheels, one end of the transmission shaft is fixedly connected with the workbench, the other end fixedly penetrates the mounting plate and is in pivot joint with the mounting seat, a plurality of transmission wheels are symmetrically distributed by taking the transmission shaft as the center, the driving wheel and the transmission wheel are arranged on the same plane, and the turning radius of the workbench is more than that of the driving wheel. The exact position regulating device has simple assembly and convenient maintenance and replacement, the driving wheel is utilized to drive the mounting plate fixed with transmission wheels at side angle to rotate, so as to drive theworkbench to rotate, the workbench has extremely low angular speed relative to the driving wheel while the driving wheel and the workbench have the same linear speed, so that the workbench can run steadily and accurately in small angle. The invention also discloses a semiconductor online detection system including the device.

The invention discloses a dynamic decorative clock. The dynamic decorative clock is provided with a clock generator, a driving stepping motor, an hour pointer, a minute hand, a rack, an auxiliary support and a drive system. The drive system is fixed to the rack through the auxiliary support. The drive system is provided with a first bevel gear, a second bevel gear, a third bevel gear, a first cylindrical gear, a second cylindrical gear, a third cylindrical gear, a fourth cylindrical gear, a fifth cylindrical gear, a sixth cylindrical gear, a seventh cylindrical gear, an eighth cylindrical gear, a ninth cylindrical gear, a tenth cylindrical gear, an eleventh cylindrical gear and a twelfth cylindrical gear. The structure of a traditional lamellar overlapped drive system of a clock is unfolded into a double-layer plane or a space stereoscopic structure, the projection of which on a plane is not overlapped, the drive system of the clock can be clearly displayed, accurate running of the minute hand and the hour pointer is guaranteed, the timing accuracy of the clock is guaranteed, and the drive beauty of a dynamic mechanical system can be shown.

The invention relates to a device for removing billboards from street light poles, which belongs to the field of municipal tools. Specifically, it includes the first frame, the second frame, the first slider, the first steering motor, the first telescopic rod, the first hydraulic shear, the first control valve, the pole climbing module, the first magnetic block, the second A slide block, a second steering motor, a second telescopic rod, a second hydraulic shear, a second control valve, a second magnetic block, a hydraulic pump and a controller. The advantage of the present invention is that it realizes the rapid removal of the billboards on the street light poles, and can realize the remote operation and removal of the billboards. During the working process, the safety is high, and the safety factor and work efficiency of the staff are greatly improved by working remotely.

The invention relates to an automatic loading machine and a process thereof. The automatic loading machine comprises a machine frame. A guiding rail frame is arranged at the bottom of the machine frame. Guiding rails guiding from front to back are arranged on the both sides of the guiding rail frame. A substrate moving along the guiding rails is arranged on the guiding rail frame. A plurality of roll shafts arranged in the left-right direction are evenly distributed on the upper portion of the machine frame. Sliding rails guiding from front to back are arranged on the substrate. A base moving along the sliding rails is arranged on the substrate. Rotary shafts driven by a motor to rotate are arranged on the base. Racks guiding from front to back are arranged on the two sides of the substrate. The two ends of the rotary shafts are all provided with gears engaged with the racks. The automatic loading machine is simple in structure, sturdy and durable.

The invention relates to the technical field of heat exchanger plate machining, in particular to a plate heat exchanger plate transferring system which comprises a bottom plate. A conveying belt is arranged in the middle of the top end of the bottom plate, a storage and unloading mechanism is arranged at the input side of the conveying belt, and plates are loaded in the storage and unloading mechanism. According to the storage and unloading mechanism designed by the invention, more to-be-processed plates can be pre-stored at one time, and the single-plate unloading process from the plates to the conveyor belt can be realized, so that the plates are orderly discharged, and the accurate operation in the whole transferring process is facilitated; a designed plate overturning and discharging mechanism can overturn and tilt the plates, and then a clamping mechanical arm can conveniently transfer the plate to a machining device for drilling treatment; after machining is finished, the plate overturning and discharging mechanism can rotate the finished plates to a vertical angle to be guided out, and therefore the loading of a subsequent finished product loading mechanism is facilitated; and the designed finished product loading mechanism is used for loading, and the plates can be automatically gathered and collected on a collecting rod, so that the plates can be conveniently stacked and collected.