149results about How to "No need for manual adjustment" patented technology

The invention provides a method and a device for automatically adjusting brightness and chroma of a display device. The method for automatically adjusting brightness and chroma of the display device comprises the steps of according to a color coordinate of a target white picture and a measured color coordinate and a measured brightness of a maximal gray scale picture of each single-color picture of a display device to be adjusted, obtaining a target brightness of the maximal gray scale picture of each single-color picture; obtaining a target T value of a random gray scale picture of each single-color picture according to the target brightness of the maximal gray scale picture of each single-color picture, the measured brightness of a least gray scale picture and a target gamma curve; finding out a register parameter which corresponds with the calibrated target T value from a pre-established correspondence table between the register parameter and T values; and writing the register parameter into the display device to be calibrated for adjusting the chroma and the gamma curve of the white picture. The method and the system according to the invention have advantages of realizing no requirement for manual adjustment, reducing adjusting time, and performing accurate adjustment on the brightness and chroma of the display device according to a user requirement.

The invention discloses a quantitative filling machine of a viscous material. The quantitative filling machine comprises a rack, a revolving seat, a revolving platform and a material cylinder, wherein the circumferential face of the material cylinder is provided with a filling valve; a track which is arranged slantwise is constituted by an upper ring and a lower ring; a piston is controlled to alternately suck the material into a material cavity or press the material in the material out and fill in a bottle by using the track; meanwhile, a sensor is cooperatively used for controlling work of a driving mechanism, so that an ascending passage is opened or closed by a swing rod, thereby communicating a feed port and the material cavity by a feeding passage or communicating a filling port and the material cavity by a filling passage, effectively controlling output of the material and preventing a mistaken filling phenomenon; and thus, inlet and outlet of the material of all filling valves can be simultaneously and effectively controlled by using a piston control device and a switching control device, the quantitative filling machine has a simple structure and is convenient to operate, mount, debug and maintain, the degree of automation of the machine is greatly improved, and the filling efficiency of the material is effectively increased.

The invention discloses a double-section type exhaust pipe welding device capable of carrying out leakage detection on an exhaust pipe. The double-section type exhaust pipe welding device comprises abottom plate, a clamping mechanism, a sliding rail, a welding mechanism and a movable sleeve, wherein a movable rail is installed on one side of the top of the bottom plate, a machine cabinet is fixedto one side of the top of the bottom plate, a servo motor is installed on the side, away from the machine cabinet, in the movable rail, and a lead screw is installed at the output end of the servo motor. According to the double-section type exhaust pipe welding device capable of conducting leakage detection on the exhaust pipe, through arrangement of an air pump and an ultrasonic air leakage detector, the air pump can blow air to the welded exhaust pipe, the ultrasonic air leakage detector can surround a welding part to detect air pressure leakage and welding sealing performance of the welding part, and meanwhile intelligently position an air leakage position, the welding mechanism can conduct and secondary repair welding work on the air leakage position in time, so that time and labor are saved, the integration degree is high, and the welding quality is higher.

The invention discloses an air duct machine self-adaptive static pressure adjusting method and device and an air duct machine. The method comprises the steps that static pressure in an air duct is subdivided into a plurality of static pressure sections; the static pressure section i and the static pressure section i+1 are selected, air gears at the static pressure section i and the static pressure section i+1 are detected respectively, and fan rotating speeds Ri and Ri+1 under the air gears and corresponding actual operation current values Ii and Ii+1 are detected; whether Ii and Ii+1 is within the normal current range is judged, and the final static pressure section is determined according to judging results and preset conditions. By means of the method, the air duct machine can automatically select and determine the static pressure sections according to actual mounting environments, the optimal static pressure section for operation of the air duct machine is found out, and precision is high.

The invention discloses a forest spraying-machine profiling machine arm and a profiling spraying method thereof, and belongs to the field of intelligent spraying-machine devices. The forest spraying-machine profiling machine arm comprises a first side stretchable arm, a second side stretchable arm and a main arm, wherein the first side stretchable arm and the second side stretchable arm are same in structure and are of unidirectional stretchable structures, and the main arm is of a bidirectional stretchable structure; the first side stretchable arm, the second side stretchable arm and the mainarm are each provided with a spraying mechanism, and the two ends of the main arm are hinged to the first side stretchable arm and the second side stretchable arm respectively. The forest spraying-machine profiling machine arm and the profiling spraying method thereof can meet the spraying requirements of heights and widths of different espalier-form plants, shapes of fruit trees and widths of pieces of paddy fields.

The invention relates to automatic laminating processing equipment of a container house flat color steel plate. The automatic laminating processing equipment of the container house flat color steel plate comprises a bottom plate; two conveying devices are symmetrically arranged on the bottom plate; a winding device is arranged between the two conveying devices; a conveying and laminating device isarranged between the two conveying devices; and the two conveying devices, the winding device and the conveying and laminating device are cooperatively used to finish the automatic laminating processof the color steel plate. The automatic laminating processing equipment of the container house flat color steel plate can solve the problems that the existing flat color steel plate laminating equipment cannot laminate the upper end and the lower end of the flat color steel plate in the laminating process of the existing flat color steel plate, the flat color steel plate is liable to move under the action of an external force in laminating processing process of the existing laminating processing equipment by the flat color steel plate laminating equipment, the flat color steel plates with different sizes need to be adjusted manually during laminating processing, the precision degree is slow, the labor intensity is large, the time consumption is high, the stability is low, the working efficiency is low and the like, and can realize the function of automatically laminating the container house flat color steel plate.

The invention relates to a breathing mask for a breathing machine. The breathing mask comprises a receiving mask and a support component, wherein the receiving mask comprises a joint part which is suitable for jointing the mouth and / or the nose of a patient, a connecting part which is used for connecting a breathing pipe and an elastic deformation part which is used for connecting the joint part with the connecting part; the support component comprises a forehead supporting frame which is arranged outside the connecting part, a receiving mask fixing frame which is fixedly arranged outside the joint part and an elastic piece which is used for connecting the forehead supporting frame with the receiving mask fixing frame from the bottom part of the receiving mask. According to the breathing mask for the breathing machine, disclosed by the invention, automatic adjusting of the forehead supporting frame can be realized, and manual auxiliary adjusting is not needed.

The invention belongs to the technical field of plate processing, in particular to a multi-roller floating bending machine. The multi-roller floating bending machine comprises a machine body, a downward pressing module, a main pressure head, auxiliary pressure heads, an adjusting unit, movable dies and a fixed die, wherein a controller is arranged on the machine body. The controller is located atone side of the machine body. The downward pressing module is located at the upper part of the machine body and is used to press down the main pressure head and the auxiliary pressure heads. The mainpressure head is fixedly connected with the downward pressing module. The auxiliary pressure heads are of the same structure as the main pressure head, and the auxiliary pressure heads and the main pressure head are used for bending sheet metal parts. The adjusting unit is positioned between the auxiliary pressure heads and the downward pressing module and is used for adjusting the auxiliary pressure heads to ascend or move left and right. The movable dies are located at one side of the lower part of the machine body and is in sliding connection with the machine body. The movable dies are usedfor bending the sheet metal parts. According to the multi-roller floating bending machine, the forming size of the sheet metal parts can be ensured by fine-adjusting the shapes of the sheet metal parts, and the forming qualification rate of the sheet metal parts is increased.

The invention discloses a filter with an automatic counter-flushing device. The filter comprises a tank body, wherein the tank body is communicated with a water inlet pipe, a water outlet pipe and a blowdown pipe; a filter screen is fixed between symmetric slide bars; a contact pressure bar is fixed on one side, away from the water inlet pipe, of the slide bar; one end, close to the contact pressure bar, of the slide bar is fixedly connected with a compression spring; a concave operation block is fixed on one side, close to the contact pressure bar, of a guide rail; a power switch is arranged in a groove of the concave operation block; the power switch is electrically connected with an electric valve; a water storage plate is fixed on a connecting shaft; one side, away from the connecting shaft, of the water storage plate is communicated with a plurality of water spray pipes. According to the filter with an automatic counter-flushing device disclosed by the invention, when the filter screen is blocked, counter-flushing operation is performed automatically, and the blowdown pipe is automatically opened to discharge impurities, without needing manual control; since the water for counter-flushing is clean water, secondary pollution is effectively prevented; moreover, the filter is convenient to use and thus is very worthy of popularization.

The invention discloses a foot bath massage chair. The massage chair comprises a base, a foot basin is arranged at the front end of the base, a massage chair body is arranged at the rear end of the base, a back frame and a cushion frame are arranged on the massage chair body and correspond to the back and the haunches of the human body, handrails are arranged on the two sides of the cushion frame, the massage chair body is provided with a chair back angle adjusting mechanism, a chair front- back adjusting mechanism and a chair height adjusting mechanism, and a back massage system is arranged on a chair back of the massage chair body. A water feeding system and a draining system are arranged in the base and feeds water and drains the foot basin respectively, the water feed system comprises a cold-and-hot water single handle for controlling the temperature of cold-and-hot water, the output end of the cold-and-hot water single handle is connected with a shower head arranged on the side end of the foot basin, the draining system comprises a water removal device arranged at the bottom of the foot basin, the water removal device is connected with a draining pump through a pipeline, and the other end of the draining pump is connected with a draining pipe extending out of the base. The structure integrates back massage and foot bath, sitting postures of the human body are convenient to adjust, comfort is improved, and the foot bath massage chair is convenient to use.

The invention relates to the technical field of saline-alkali soil nursery stock protection, and provides a saline-alkali soil tree protecting device which comprises a supporting frame and a mulching film. The supporting frame comprises at least three clamp hoops, a clamp hoop ribbon which is adjusted and fixed through a ribbon locking device is connected between every two adjacent clamp hoops, and a supporting rod is hinged to a hinging part of a clamp hoop hinging lifting lug on each clamp hoop. Each supporting rod comprises an inner supporting rod body and an outer supporting rod body connected with the inner supporting rod body in a sleeving mode, wherein a directional locking device is arranged at the upper end of the outer supporting rod body, a supporting rod base is hinged to the lower end of the outer supporting rod body, a water injecting pipe penetrates through the supporting rod base, and the output end of the water injecting pipe communicates with a water seepage and ventilation pipe network. Each base table is sleeved with a mulching film tightening clamp hoop, and a tree base is sleeved with a mulching film binding band. The supporting height and surrounding diameter of the saline-alkali soil tree protecting device can be automatically adjusted along with growth of a tree, the tree is effectively supported and protected, the breathing requirement of the root is met, watering and fertilizer and pesticide applying can be conveniently conducted on the tree, and the mulching film can be effectively protected.

The invention discloses a household satellite communication antenna which is convenient to be adjusted and belongs to the field of communication antennas. An adjustable home satellite communication antenna including the base, A lift sleeve is fixedly connected with that base, A lift rod is slidably inserted on that lift sleeve, A first support bar is fixedly connected to the lifting bar, an antenna pot body is rotatably connected with one end of the first support rod away from the lifting rod, a hydraulic pushing cylinder is fixedly connected with the lifting rod, a pushing adjustment rod is slidably connected with the hydraulic pushing cylinder, and one end of the pushing adjustment rod away from the hydraulic pushing cylinder is rotatably connected with the antenna pot body; The invention (while adjusting the antenna pot body, The hydraulic pushing cylinder pushes the antenna pot body by pushing the adjusting rod, and the first support rod fixedly connected on the lifting rod is rotatably connected with the antenna pot body, so that the antenna pot body rotates around the upper end of the lifting rod, thereby realizing the adjustment of the inclination without manual adjustment and effectively improving the adjustment efficiency.

The invention discloses an antenna bracket for communication engineering, which comprises a base. A box body is fixed on the top outer wall of the base through bolts, and a controller is fixed on thebottom inner wall of the box body through bolts. A circular opening is formed at the position of the central axis of the top outer wall of the box body, and a casing is fixed on the inner wall of thecircular opening through bolts. Support rods are fixed on the outer wall of one side of the casing through bolts, and the other end of each support rod is fixed on the top outer wall of the box body through a bolt. The top and bottom ends of the inner wall of the casing are sleeved with a first bearing and a second bearing respectively. By adding the casing, the antenna bracket can rotate while maintaining the stability of the antenna. By adding a connecting seat and two motors, the angle and height of the antenna can be adjusted automatically without manual adjustment, and the operation efficiency is greatly improved. The antenna bracket is reasonable in structure design, can carry out adjustment automatically, and makes the antenna easy to install and dismantle.

An idle stroke non-interference trajectory planning method for multi-spindle-head machining comprises the following steps of establishing a kinematic model of a multi-spindle-head machine tool, subjecting a workpiece to blocking treatment, and subjecting a tool to point centralization treatment; generating a cutter location point track of the planning cutter based on an edge intersection point method, and taking relative position parameters of the planning cutter and the workpiece at the head and tail end points of the track and the edge intersection point as adjusting parameters of a cutterlocation point path; describing the tracks of the two rotating shafts and the tail end track along any coordinate axis in the joint space by adopting a quintic spline curve, and describing unknown quantities in a description equation by using parameters related to edge intersection points and position parameters at beginning and tail end points; establishing a multi-target fitness function about the idle stroke by using a weighting coefficient method, detecting interference by using a two-stage intersection detection algorithm, and if the interference exists, determining that the fitness valueis 0; and performing iterative optimization by adopting a genetic algorithm. According to the method provided by the invention, a flexible idle stroke track which is free of interference, relativelyshort in motion time, relatively small in rotating shaft angle variation and shortest in tail end track can be planned.

The invention discloses a self-starting mode-locked fiber laser for polarization state stability control. The self-starting mode-locked fiber laser is characterized by comprising a pumping source 1, a wavelength division multiplexer 2, a gain fiber 3, a non-gain fiber 4, a polarization controller 5 and a polarization beam splitter 6 which are connected with one another in sequence, wherein the wavelength division multiplexer 2 is used for coupling pumping light and reflected light into a light path; the gain fiber 3 is used for generating inverted population required by laser; the non-gain fiber 4 is used for controlling the repletion frequency of the laser; the polarization controller 5 is used for changing a laser polarization state; and the polarization beam splitter 6 is used for dividing the laser into two beams. One laser output end of the polarization beam splitter 6 is connected with a saturable absorber 7 for generating nonlinear saturated absorption to realize mode-locked self-start, and the other laser output end of the polarization beam splitter 6 is a polarization-preserving output end; and the reflecting light of the saturable absorber 7 enters the wavelength division multiplexer 2 through the polarization beam splitter 6. The self-starting mode-locked fiber laser has the advantages that the mode-locked pulse sequence is more stable, the anti-interference capability is stronger, the laser can stably run for a long time, and the like, and the output of pulse laser with different repetition frequencies and center wavelengths is realized.

The invention relates to the technical field of image recognition. The invention relates to an image recognition processing device, in particular to an artificial intelligence-based image recognitionprocessing device. The device comprises a bottom plate and a connecting block, the upper end face of the bottom plate is fixedly connected with a pushing device and a lifting device which are distributed left and right. The left end surface of the lifting device is fixedly connected with a connecting block; the left end face of the connecting block is fixedly connected with a supporting rod, the left end face of the supporting rod is fixedly connected with evenly-distributed infrared displacement sensors, the upper end face of the lifting device is fixedly connected with a top plate, the upperend face of the top plate is fixedly connected with a controller, and the center of the lower end face of the top plate is fixedly connected with an image recognition device. In the present invention, through the arrangement of the barrel, the threaded sleeve and the guide block, the height of an object is detected through the infrared displacement sensor; then a signal is sent to the controller;the controller controls the rotating motor to rotate, so that the threaded rod moves; the threaded sleeve drives the top plate to move; a two-dimensional code graph can be accurately recognized and processed; and manual adjustment is not needed.

The invention discloses an automatic feeding mechanism for a down lamp lug buckle. The mechanism comprises a vibrating disc used for holding the lug buckle, a vibrating rail arranged around the side wall of the vibrating disc, and a horizontal feeding rail connected with the tail end of the vibrating rail. The bottom surface of the vibrating rail is an inclined surface which is arranged obliquely downwards from inside to outside. The lower end of the inclined surface is provided with a stopping edge used for preventing the lug buckle from falling off. The vibrating rail comprises an overlapping rejecting segment, an outwards turning rejecting segment, a reverse end rejecting segment, a rotating guide segment and an overturning guide segment which are arranged in sequence. Overlapping rejecting bars are mounted on the overlapping rejecting segment; at least part of the portion, located at the outwards turning rejecting segment, of the stopping edge is provided with short edge segments; the portion, located at the reverse end rejecting segment, of the inclined surface is provided with a rejecting port and an upwards pushing bar; the rotating guide segment is provided with a rotating guide mechanism used for driving the lug buckle to rotate and enabling the thin end of the lug buckle to face forwards ; and the overturning guide segment is provided with an overturning guide mechanism used for driving the lug buckle to overturn until a main plate portion faces upwards. By adopting the automatic feeding mechanism provided by the invention, the lug buckle can be automatically fed unidirectionally.

The invention belongs to the technical field of machinery and in particular relates to a motion controlling method for a middle support device in a process of forming a large-scale wind turbine blade. Through the method, a left support plate, a right support plate and a middle support plate moves to corresponding positions along with a blade support section when the blade rotates at an angle of delta around a rotation center, so that the automatic control during forming of the blade is realized. The method comprises a method for controlling the left support plate and the right support plate and a method for controlling the middle support plate. The motion controlling method is a key technology for manufacturing large-scale wind turbine blade winding forming equipment and can be popularized in the process of forming non-rotational weak rigidity parts such as helicopter propeller blades and turn-milling machining centers to assist in motion control on support mechanisms.

The invention discloses a novel high-efficiency rice filling device for processing lotus roots filled with glutinous rice, and belongs to the technical field of processing of the lotus roots filled with the glutinous rice. A technical scheme adopted by the invention has the following key points: the novel high-efficiency rice filling device comprises a workbench, wherein hollow lug bosses are arranged on the workbench; ventilating slots are formed in the top surfaces of the lug bosses; the widths of the ventilating slots are smaller than the minimum diameter of the glutinous rice; a ventilating device is connected to the bottoms of the lug bosses, so that the effect of improving the rice filling efficiency is achieved; optoelectronic switches are further arranged on the two sides of the lug bosses for automatically controlling opening and closure of the ventilating device so as to improve the using convenience of the novel high-efficiency rice filling device for processing the lotus roots filled with the glutinous rice.

The invention relates to a middle supporting device used in a large-size fan blade molding process. The supporting device comprises a mounting base component, a left supporting component, a right supporting component and a middle supporting component, wherein the blade does rotational movement under the drive of an equipment main shaft, a V-shaped supporting is formed for the blade by the left supporting component and the right supporting component, two supporting included angles are automatically adjusted according to the posture of the blade, and the middle supporting component is used for dragging the low end of the blade so as to reduce sliding friction force between the blade and the left supporting component and the right supporting component. The supporting device provided by the invention can be used as an accessory of blade numerical control molding equipment and mainly used for improving the system rigidity and the automation degree in the blade winding and molding process, and meanwhile, the supporting equipment also can be used for winding and molding of other weak-rigidity workpieces.

The invention relates to a high-efficiency automatic coating device for a flat color steel plate. The high-efficiency automatic coating device comprises a bottom plate, wherein two pairs of baffles IIare symmetrically mounted on the front and rear sides of the bottom plate, winding devices are arranged between upper sides of the two pairs of baffles II, a coating conveying device is mounted at the lower ends of the two pairs of baffles II, and an automatic coating process of the flat color steel plate is finished under matched use of the winding devices and the coating conveying device. The high-efficiency automatic coating device can solve the problems that the upper and lower ends of the flat color steel plate cannot be coated by the existing flat color steel plate coating equipment, the flat color steel plate is easy to move under the action of external force in the flat color steel plate coating process by the existing coating equipment, manual adjustment is needed when flat colorsteel plates in different sizes are coated, the precision is low, the labor intensity is high, long time is consumed, the stability and the working efficiency are low and the like in the coating process of the existing flat color steel plate, and high-efficiency automatic coating of the flat color steel plate can be realized.

The invention provides an on-line laser rust-removal cleaning device and system. The on-line laser rust-removal cleaning device comprises a bracket and a plurality of laser devices; a penetrating holefor allowing one moving steel pipe to penetrate is formed in the bracket; the multiple laser devices are mounted on one side of the bracket, annularly arrayed at intervals around the steel pipe, androtatably connected with the bracket, supporting legs are arranged between all the laser devices and the steel pipe, one ends of the supporting legs are fixedly connected with the laser devices, and the other ends of the supporting legs are provided with rotatable guiding wheels; and the guiding wheels connected with the multiple laser devices are annularly arrayed at intervals and constitute a guiding wheel set which can be in contact fit with the peripheral wall of the steel pipe, all the guiding wheels of the guiding wheel set roll along the steel pipe when the steel pipe moves, the guidingwheel set is in contact fit with the steel pipe with different outer diameters through outward expansion or inward contraction, and all the laser devices swing when the guiding wheel set expands outwards or contracts inwards. The on-line laser rust-removal cleaning device can automatically adapt to the steel pipes with the different outer diameters, the laser devices do not need to be manually hand-held, thus the labor intensity of workers is lowered, the rust-removal quality stability is good, manual adjustment is not needed, the production efficiency is improved, and the economic cost is lowered.

The invention discloses a centralized filtration and oil supply system for machine tool machining. The centralized filtration and oil supply system for machine tool machining comprises a waste oil pipeline connected with the outer portion of a machine tool. The waste oil pipeline is connected with a waste oil pump and a super-strong magnetic filter in sequence. The output end of the super-strong magnetic filter is connected with a multi-stage linkage backwashing self-cleaning filter and a super-strong magnetic separator correspondingly. The output end of the multi-stage linkage backwashing self-cleaning filter is connected with the super-strong magnetic separator and also connected with a crude oil pool. The output end of the super-strong magnetic separator is connected with the crude oil pool through a drum-type paper tape filter. The output end of the crude oil pool is connected with the oil inlet end of the machine tool through an oil scavenging pump. Compared with the prior art, a traditional working manner is changed; equipment investment is reduced through a centralized oil supply method; the occupied workshop area is small; artificial control is not needed; automatic oil supply, filtering and cooling are realized; automation is realized completely, and the centralized filtration and oil supply system is economical and friendly to environment.

The invention mainly discloses a mobile cabinet. According to the technical scheme, the mobile cabinet comprises a cabinet body, a first cavity is formed in the upper side of the cabinet body, a baffle plate and a lifting device are arranged in the first cavity, the lifting device drives the baffle plate to extend out of the first cavity or hide in the first cavity, adjusting feet and casters are arranged on the lower side of the cabinet body, each adjusting foot comprises an adjusting rod with a thread, a foot seat connected with the corresponding adjusting rod and a driving device, each driving device comprises a driving motor, a driving gear, a driven gear and an adjusting nut, each driving motor drives the corresponding driving gear to rotate so as to drive the corresponding driven gear and the corresponding adjusting nut to rotate, the adjusting feet are made to move up and down, supporting parts on the lower side of the cabinet body are shifted, moving and fixing are convenient, and air blowing cavities, air blowing devices and windshield devices are arranged at the lower ends of the left side and the right side of the cabinet body respectively. The mobile cabinet is convenient to move, stable in fixation and capable of preventing dinner plates from falling and achieving the air blowing function, and a kitchen is kept cool, refreshing and clean.

The invention relates to a pressing device, and in particular relates to a dumpling wrapper pressing device. The invention aims to provide the dumpling wrapper pressing device, in which a pressing ring can be automatically pressed, multiple stacks of dumpling wrappers can be pressed at a time, and the wrappers can be automatically pushed aside. According to the technical scheme, the dumpling wrapper pressing device comprises a support, bearing rods are arranged on the front side and the rear side of the lower portion of the support, and a moving mechanism is installed on the lower portion of the support; the device also comprises a forming mechanism; the forming mechanisms is arranged on the right side of the top of the support and the upper portion of the left wall of the support; and a pushing mechanism is arranged in the middle of the support. According to the invention, the moving mechanism is used for providing convenience for manually pushing wrappers to move, so that the pressing ring can be used to press dough wrappers intermittently, and the dough wrappers do not need to be directly moved manually. Through a limiting mechanism, a containing frame can be fixed, and the situation that in the pressing process, the first sliding block drives the containing frame to move to enable the dough wrappers to move is prevented. Under action of a through hole, the moving distance needed by the containing frame can be rapidly determined, and manual repeated adjustment is not needed.

The invention relates to a paper cutter set with adjustable width. The paper cutter set with adjustable width mainly comprises a base, a cutting knife (including a driven cutter assembly body and an active cutter assembly) and a control system. A fixed cutting knife is arranged at two ends of the base, respectively, the trimming operation is carried out, the width adjustment is achieved through the movement of two identical dividing cutters in the middle, a grating reading head is fixed on the working table of the middle moving dividing cutter, and the movement displacement is detected, and iscontrolled by a control system; when the cutter is required to be subjected to abrasion, the micro-displacement of the cutter is detected by the sensor arranged on the side of the moving blade, and the cutter position data stored in the correction system is compensated to the control system, so that the tool bit is accurate. By the action of the paper cutter set with adjustable width, the aim ofautomatically detecting the displacement, adjusting the width and finally freeing the manpower can be achieved.

The invention relates to the related technical field of engineering surveying and discloses an engineering surveying level gauge supporting device. The supporting device comprises a mounting base and further comprises three sets of leg supporting mechanisms connected to the mounting base, a horizontal detection mechanism connected to the mounting base and a stretching mechanism connected with the horizontal detection mechanism. According to the supporting device, the horizontal detection mechanism is arranged to detect the horizontal plane, the horizontal detection mechanism measures the gravity direction of the measurement position through the arrangement of a heavy hammer assembly, and the gravity direction is always vertically downward and is perpendicular to the horizontal plane; the horizontal plane of the measuring position can be measured through the horizontal adjusting assembly, then the measured horizontal plane is read through the horizontal adjusting assembly, and levelness of the mounting base is adjusted by controlling the leg supporting mechanisms and adjusting the heights of the three sets of leg supporting mechanisms, so automatic adjustment of the levelness of the device is achieved, manual adjustment is not needed, and practicability of the device is improved.

The invention belongs to the technical field of feeding objects to machines and particularly discloses a paper feeding device of a die cutting machine. The paper feeding device of the die cutting machine comprises two paper feeding units. Each paper feeding unit comprises suction nozzles, a rigid pipeline, a first paper pushing claw, a second paper pushing claw, a chain and chain wheels. Each rigid pipeline is arranged on one side of the corresponding paper feeding unit. Each suction nozzle is downward and fixed to the corresponding rigid pipeline. An air exhaust device is arranged in each rigid pipeline. The two ends of each rigid pipeline are rotationally connected with rotating sleeves. A cavity communicating with the corresponding rigid pipeline is arranged in each rotating sleeve. A valve element is arranged in each rigid pipeline. One end of each valve element is fixed to one side of the corresponding rigid pipeline. The other end of each valve element is a ball matched with the corresponding rotating sleeve. Each ball is rotationally connected with the corresponding rotating sleeve. An L-shaped channel is formed in each valve element. Each rigid pipeline communicates with the corresponding rotating sleeve through the corresponding L-shaped channel. A first pipeline and a second pipeline are connected to the rotating sleeve. When the paper feeding device of the die cutting machine is adopted to feed paper, paperboards can be smoothly disengaged from the paper pushing claws, and the situation that the paper boards are taken away by the paper pushing claws and deviate from a cutting rail of the die cutting machine is avoided.

The invention discloses a multifunctional microcomputer monitoring and protection device comprising a hollow rectangular protective shell; and an air-suction protection plate is installed behind the rectangular protective shell. A rectangular drawer case is inserted into the rectangular protective shell; cooling fans are installed at the left side and right side of the front of the rectangular drawer case; and a microcomputer monitoring device is arranged inside the rectangular drawer case. A filter mesh is arranged in the middle of the air-suction protection plate; and buckles extend into a rectangular opening slot and are clamped at the left inner side and the right inner side of the rectangular opening slot. According to the invention, the rectangular drawer case is dismounted or mounted conveniently; and because the buckles arranged at the two sides of the rear of the air-suction protection plate extend into the rectangular opening slot and are clamped at the left inner side and the right inner side of the rectangular opening slot, the rectangular drawer case, the air-suction protection plate, and the rectangular protective shell are fixed without any bolt and the assembling and installation become firm and conveniently, so that the microcomputer monitoring device is protected well.

The invention belongs to the technical field of breeding and particularly relates to an ancient tea tree breeding method. The ancient tea tree breeding method includes the following steps that ancient tea tree branches are topped, crotch positions are sprayed with 50% gibberellin for 2-5 days; then semi-lignified branches are acquired and sheared into 3-5 cm short branches with leaves, axillary buds are retained, lower-end cuts of the branches are treated by using a growth hormone solution, then the branches are cut into a soil-less substrate and are cultured in a natural environment for 20-30 days; then, the branches are transplanted in culture bags containing nutritional soil, are cultured in the natural environment for 20-30 days and are watered with nutritional soil surface whitening as the standard, wherein the watering amount making the nutritional soil in a wet state is appropriate; when new roots grow out of above 70% of the branches, transplantation is performed. The ancient tea tree breeding method is simple in operation, low in cost, high in survival rate, short in breeding period and easy to popularize and apply.