27results about How to "Accurate opening" patented technology

The utility model discloses a seedling needle integrated on-film trepanning cutter of a rice film mulching transplanter, and belongs to the technical field of trepanning cutters. The utility model is composed of a seedling needle and a trepanning knife, the seedling needle and the trepanning knife are fixedly connected into a whole, the trepanning knife is fixed on one side of the front end of the seedling needle, and the trepanning knife and the seedling needle are arranged at a right angle. The utility model has the beneficial effects that the novel seedling needle integrated on-film trepanning knife is researched and developed aiming at film mulching planting with high soil texture viscosity in the field, and the trepanning knife is arranged on the seedling needle, so that the original function of a seedling pushing rod is restored. The novel device has the advantages that the structure is simpler, the processing cost is greatly reduced, the advantages that holes are accurately formed in the film, and disassembly and assembly are convenient are guaranteed, mud hanging, seedling sticking and seedling carrying are avoided, various agricultural soil properties such as clayey soil and sandy soil in the south and north of China can be better dealt with, and the field operation adaptability is obviously higher.

The invention relates to an adjustable water gate device for a water conservancy project, and relates to the field of water conservancy projects, and the adjustable water gate device for the water conservancy project comprises a gate chamber used for being mounted to a dam body; the gate is slidably connected to the gate chamber in the height direction, a lifting device used for driving the gate to move up and down is arranged between the dam body and the gate, and a plurality of impurity removal openings are formed in the position, close to the top of the gate, of the gate in the height direction at intervals; the multi-stage opening and closing mechanism is arranged on the gate and used for controlling opening or closing of the single impurity removal opening; and the impurity removing mechanism is arranged on one side of the impurity removing opening and used for intercepting and removing impurities floating on the water surface. The device has the effects that in the process of conveying water resources to the downstream, floating garbage and algae are not prone to being gradually accumulated on the water surface close to one side of the gate, the floating garbage and algae are prevented from being accumulated and fermented for a long time to generate a large amount of unpleasant smell, and pollution to water quality is reduced.

Disclosed are an apparatus and method for diagnosing an EGR valve. The apparatus for diagnosing an exhaust gas recirculation (EGR) valve comprises: an exhaust gas recirculation (EGR) apparatus, comprising an EGR pipe connecting an exhaust gas pipe and an intake pipe and an EGR valve installed in the EGR pipe; an electric supercharger installed in the intake pipe to change the internal pressure of an intake manifold; a manifold pressure sensor to measure the internal pressure of the intake manifold; and a controller to obtain the opening amount of the EGR valve, diagnose the fixation of the EGR method, and the leakage of the EGR valve based on the internal pressure of the intake manifold detected by the manifold pressure sensor when the engine stops during vehicle driving.

The invention provides a variable-speed flue gas baffle adjusting method and a boiler system, and belongs to the field of power station boilers. The method comprises the following steps: measuring flue gas temperatures of a front flue and a rear flue in real time through a flue gas measuring device; according to the flue gas temperature of the front flue and the flue gas temperature of the rear flue, the optimal value of the flue gas ratio of the front flue to the flue gas ratio of the rear flue under different load working conditions is measured and calculated; based on the optimal value of the flue gas proportion of the front flue and the rear flue under different load working conditions, the opening degree of the flue gas baffle is adjusted to be the optimal opening degree through the variable-speed adjusting device, so that the power supply coal consumption of the boiler is the lowest. The optimal value of the flue gas proportion of the front flue and the rear flue under different load working conditions is measured and calculated through the flue gas measuring device, the opening degree of the flue gas baffle is adjusted based on the optimal value of the flue gas proportion, and the accuracy of adjusting the opening degree of the flue gas baffle is improved.

The utility model relates to the technical field of pipeline trepanning, in particular to a pipeline trepanning device which comprises a fastening ring, an arc-shaped boss is fixedly installed on the outer side of the fastening ring, an arc-shaped concave table is installed on the arc-shaped boss in a sliding mode, the relative positions of the arc-shaped boss and the arc-shaped concave table can be fixed, and a trepanning device is fixedly installed on the arc-shaped concave table. Through relative movement of the arc-shaped boss and the arc-shaped concave table, after the fastening ring is installed on the pipeline, the tapper can rotate around the fastening ring, that is, the tapper can rotate around the pipeline, the tapping angle of the tapper can be adjusted, and accurate positioning of pipeline tapping is achieved; through the arrangement of the distance increasing mechanism, the length of the whole tapping device can be effectively reduced, the tapping device is easier to operate in the complex and dense space of the pipeline, the tapping angle position of the pipeline can be adjusted more conveniently, and accurate tapping of the pipeline is achieved.

The invention relates to the technical field of medical instruments, and particularly discloses a replaceable implantable medical device which comprises a main body, a control unit is arranged on the lower side of the main body, protective frame parts are fixedly connected to the two ends of the main body, two deformation mechanisms are arranged between the two protective frame parts, and a bearing frame and a storage battery pack are fixedly connected into the main body. A positioning shaft is rotationally connected into the bearing frame, two winding rollers are fixedly connected to the circumferential surface of the positioning shaft, a deformation mechanism is arranged between the main body and each of the two wrapping sleeves, an electrifying mechanism is arranged between each of the two deformation mechanisms and the storage battery pack, and an adjusting mechanism for adjusting the deformation quantity of the deformation mechanisms is arranged in the main body. The two deformation alloy belts can deform simultaneously and asynchronously, physiological state changes of the bladder and the urethra can be sensed and responded more accurately, and therefore the urine control precision is improved, fine adjustment can be conducted according to actual conditions of different people, and a patient can obtain better urine control experience.

The utility model relates to the technical field of greenhouse equipment, in particular to an automatic ventilation adjusting window device of a traditional Chinese medicine seedling greenhouse, which comprises a window frame, an inner sleeve window and an opening and closing component are arranged on the window frame, the opening and closing component comprises an opening and closing motor and a long shaft, the opening and closing motor drives the long shaft to rotate, and a plurality of driving levers are fixed on the long shaft. According to the automatic ventilation adjusting window device of the traditional Chinese medicinal material seedling growing greenhouse, through a worm and gear transmission mechanism, automatic locking can be achieved after a ventilation window is adjusted to a designated position by means of the self-locking characteristic of a worm and gear, automatic movement or accidental opening and closing of an inner sleeve window caused by strong wind is avoided, and the wind interference resistance is enhanced; stable and accurate opening and closing control of the ventilation window can still be realized in severe weather, and a stable greenhouse environment is provided for seedling culture of traditional Chinese medicinal materials.

This utility model relates to a drilling mechanism for construction pipelines, including a base plate, a connecting plate on top of the base plate, a fixing component on top of the base plate, and a drilling component on top of the connecting plate. The fixing component includes a frame fixedly connected to the top of the base plate, with a fixing clamp fixedly connected to one end of the frame. This drilling mechanism for construction pipelines allows for easy adjustment of the position of the movable clamp by rotating a torsion bar at one end of a threaded rod, firmly clamping the pipeline between the fixed clamp and the movable clamp. V-grooves on opposite sides of the fixed and movable clamps better accommodate pipelines of different diameters, increasing the contact area and improving stability. The anti-slip texture further enhances the friction between the clamp and the pipeline, effectively preventing the pipeline from slipping during drilling. This ensures the entire device is stably fixed to the pipeline for drilling operations, greatly improving drilling accuracy and guaranteeing construction quality.

The invention relates to an automatic feeding and discharging system which comprises a device body, a grabbing mechanism, a feeding mechanism, an appearance detection mechanism, a performance detection mechanism and an opening and closing mechanism. The grabbing mechanism, the feeding mechanism, the appearance detection mechanism, the performance detection mechanism and the opening and closing mechanism are all mounted on the device body; the performance detection mechanism comprises a supporting part and a covering part which are mounted on the device body, and the supporting part is rotationally connected with the covering part; the grabbing mechanism grabs materials on the feeding mechanism and places the materials on the appearance detection mechanism for appearance detection, after appearance detection is completed, the grabbing mechanism grabs the materials into the supporting part, and the covering part and the supporting part are covered through the opening and closing mechanism. And after the performance detection of the material is completed, the opening and closing mechanism opens the supporting part and the covering part, and the grabbing mechanism takes the material out of the supporting part.

The utility model discloses an intelligent swimming pool robot relates to swimming pool robot technical field, it includes the fuselage, drive wheel, rotatably set up in the side portion of fuselage, track, set up on drive wheel, by drive wheel drive transmission, to drive the fuselage movement, rolling brush, movably set up on the fuselage, synchronous assembly, set up on the fuselage, rolling brush with synchronous assembly detachably connected. The utility model discloses the synchronous assembly that sets up, will drive wheel's power efficient transmission to rolling brush, realized the synchronous rotation of track and rolling brush, has guaranteed that the rolling brush synchronous cleaning operation when the robot is moving, when stopping, the rolling brush also synchronous stop, avoided the waste of power and the invalid wear and tear of rolling brush, thereby promoted the cleaning efficiency.

The invention discloses a multi-blade regulating valve and an air conditioner comprising the multi-blade regulating valve, and particularly relates to the technical field of multi-blade regulating valves, the multi-blade regulating valve comprises a shell, a plurality of blades, and a closed monitoring assembly, a replacement assembly and a driving assembly which are arranged in the shell; the adjusting shaft and the rotating sleeve are synchronously controlled through the driving assembly, and the rotating sleeve is located at the vertical position when the blades are closed; when air leaks due to the fact that the interior of the shell is not tightly closed, airflow pushes the rotating sleeve to rotate and strikes the pressing plate, the touch sensor is triggered to generate an electric signal, the electric signal is fed back to an air conditioner control system, and therefore the air leakage phenomenon is monitored in real time, and workers are reminded. The limiting block is clamped into the groove to record the position; a worker can intuitively judge the rough position of untight closing by observing the limiting state of the rotating sleeve, and troubleshooting is accelerated.

This utility model relates to the technical field of packaging machines, specifically a zipper opening mechanism for a laundry detergent packaging machine. It includes a zipper guide assembly, an air-blowing opening assembly, and a bag-supporting assembly. The bag-supporting assembly is rotatably connected to the top of the zipper guide assembly. The air-blowing opening assembly is located on one side of the zipper guide assembly and includes an opening column, an opening swing arm, an opening suction tube, and an air blowing pipe. The opening column is hollow. The opening swing arm and the air blowing pipe are both fixed to the opening column. One end of the opening suction tube is movably connected to the opening swing arm, and the other end is equipped with a vacuum suction cup. The air blowing pipe is bent and extends above the vacuum suction cup. This utility model, through the coordinated work of the zipper guide assembly and the air-blowing opening assembly, enables the mechanism to open zipper bags efficiently and accurately. Simultaneously, the bag-supporting assembly keeps the bag opening stable, thus improving the production efficiency of the packaging machine.

The utility model relates to the field of house decoration, and discloses a concealed wire auxiliary threading device for house decoration, which comprises a frame, a plurality of protective blocks are annularly arranged at the center of the front inner wall of the frame, a rocker is arranged at the center of the front end face of the frame, and one end of the rocker penetrates through the front end face of the frame and extends into the frame. The outer side wall of the lead screw is sleeved with a sliding block in a threaded mode, and four threading structures are annularly arranged on the rear end face of the sliding block. According to the utility model, through the arrangement of the threading structure, the clamp, the wire clamping groove, and the second extension rod and the drill bit in the auxiliary structure, accurate positioning, fixing and trepanning of a wire or a pipeline are realized, the construction accuracy and efficiency are improved, the movement of the slide block is controlled by rotating the rocking bar, the stable position of the wire is ensured, and the working efficiency is improved. Therefore, the stable position of the electric wire is kept unchanged in the installation process, and the safety and stability of a decoration line are improved.

The utility model belongs to the technical field of greenhouse, disclose a kind of precision control ventilation opening automatic switch's greenhouse, including the greenhouse body, the cotton quilt being laid on the greenhouse body and the roller blind mechanism for controlling the winding and unwinding of cotton quilt, and the roller blind mechanism includes the roller blind rod for winding cotton quilt, and the length direction of greenhouse body is equipped with ventilation opening;At least one first positioner for identifying the position of roller blind rod is fixed on the greenhouse body, and the first positioner is located below 0~2 meters of ventilation opening, and the signal output end of first positioner is connected with the signal input end of roller blind mechanism.The utility model can accurately open or close ventilation opening, with high degree of automation, long service life, and is suitable for greenhouse automatic winding and unwinding cotton quilt.

The utility model discloses a pressure control assembly used for etching equipment and the etching equipment, the pressure control assembly comprises a valve, and the valve comprises a valve body and a valve core located in the valve body; the gear assembly comprises a rotating shaft connected with the valve element, a driven gear connected with the rotating shaft and a driving gear meshed with the driven gear, and the rotating source is connected with the driving gear, drives the valve element to rotate in the valve body through the gear assembly and controls the opening degree of the valve; the encoder is connected with the rotating shaft and used for measuring the rotating angle of the valve element. According to the utility model, the accuracy of controlling the opening degree of the valve is improved, the accuracy of controlling the pressure of the etching equipment is further improved, and the quality and the consistency of etched products are improved.

The utility model provides a detachable pneumatic cut-off valve seat sealing structure, which relates to the field of pneumatic cut-off valves, and comprises a valve body, the left side surface of the valve body and the right side surface of the valve body are connected with mounting flanges, the outer surface of each mounting flange is provided with a group of mounting holes, and the mounting holes are communicated with the mounting flanges. And sealing grooves are formed in the left side surface and the right side surface of the mounting flange. According to the detachable valve seat sealing structure of the pneumatic cut-off valve, the switching valve rod is driven by the pneumatic part, the switching block and the butterfly plate can be driven to rotate, opening and cutting off of a fluid channel can be rapidly and accurately achieved, the response speed is high, the control precision is high, when the pressure in the valve body is too high, the sealing plate slides under the pressure effect, the spring and the buffer damper are compressed, and the sealing effect is good. The fluid enters the pressure relief assembly, the valve body is prevented from being damaged due to too high pressure, the rotating handle is rotated to drive the threaded lead screw to rotate, the initial position of the sealing plate can be flexibly adjusted, and therefore the pressure relief pressure is accurately adjusted.

The application discloses a disc buckle type suspension frame main beam through-beam bolt automatic punching device, and relates to the technical field of disc buckle type suspension frame installation. The standard steel is provided with a horizontal bubble instrument, and the two ends of the standard steel are detachably connected with extension steels; the end portions of the extension steels are detachably connected with connecting steels; the standard steel is further rotationally connected with two groups of first extension rods; and the top end of each first extension rod is fixedly connected with a second extension rod. The disc buckle type suspension frame main beam through-beam bolt automatic punching device can be accurately opened through the adjustment of the first extension rods and the replacement of the extension steels, so that the installation size of the main beam is accurate, and the disc buckle type suspension frame can be directly installed, thus, a cross beam does not need to be additionally welded on the main beam, the cost is reduced, the original steel performance is not damaged by the spot welding mode, and the turnover utilization rate is improved.

The utility model provides an inspection device for a hydraulic large shaft gulp valve, and relates to the technical field of hydraulic turbine set operation monitoring. The hydraulic valve comprises a valve seat and a valve disc matched with the valve seat, a support is fixedly arranged on the valve seat, a hydraulic pump is fixedly arranged on the support, a plurality of hydraulic jacks are arranged between the valve disc and a rib plate, and a hydraulic output pipe of the hydraulic pump is connected with the hydraulic jacks through a pipeline and used for pushing the rib plate to achieve vertical displacement of the valve disc. The large-shaft gulp valve buffering device guarantees that the valve disc is stressed evenly, avoids damage to the large-shaft gulp valve buffering device caused by instability of the valve disc, achieves accurate detection of displacement of the gulp valve, improves inspection work efficiency of the large-shaft gulp valve, improves inspection precision, reduces damage risks of the large-shaft gulp valve, and guarantees safe and stable operation of a water-turbine generator set.

The invention relates to the technical field of conveying equipment, in particular to coal gangue conveying nutrient soil processing equipment based on industrial vision. According to the technical scheme, the machine comprises a rack, a conveying belt, a feeding hopper, a visual camera, a control assembly, a valve plate assembly, a scraping plate and a side pushing assembly; the conveying belt is arranged on the rack in a transmission mode through the supporting roller and the adjusting roller, and the feeding hopper is arranged above the feeding end of the rack through a support. The visual camera is installed at the center line of the support through a supporting rod, the scraper is provided with comb teeth and movably arranged between the feeding hopper and the camera, and the side pushing assembly is located on the side, away from the feeding hopper, of the camera. The swing amplitude of the scraper responds to the stacking height of materials on the conveying belt, the control assembly adjusts the opening degree of the valve plate assembly accordingly, and the lateral pushing assembly acts to respond to the running speed of the conveying belt. Through linkage regulation and control of the material stacking height and the feeding opening degree, matching of the conveying speed and the side pushing motion and combination of visual detection assistance, accurate feeding and middle conveying are achieved, and the conveying stability and the machining efficiency are improved.

The invention discloses an electric power fitting continuous machining system, and relates to the technical field of electric power fitting machining equipment, the electric power fitting continuous machining system comprises a workbench, a first support and a U-shaped hanging ring, and further comprises an automatic feeding mechanism located at the top of the workbench and used for automatically feeding the U-shaped hanging ring into the outer wall of the first support, a transverse pushing assist device used for assisting the automatic feeding mechanism in feeding is arranged on one side of the first support. By arranging the automatic feeding mechanism and the transverse pushing assistor, the U-shaped hanging ring can be automatically fed to the outer wall of the first support, and then the output ends of the two second driving motors drive the end milling cutters to rotate to conduct synchronous drilling and subsequent grooving operation on the two ends of the U-shaped hanging ring; in this way, after automatic feeding, synchronous drilling operation and grooving can be conducted on the two ends of the U-shaped hanging ring, and therefore the machining efficiency of the U-shaped hanging ring is improved.

This invention belongs to the field of display device technology, specifically a display module disassembly and assembly tool and its usage method. The tool includes first and second structural components; the first structural component has a handheld part, an mounting part, and a contact part connected in sequence, with two longitudinally extending mounting grooves symmetrically arranged within the mounting part; the second structural component has a pressing ring, sliding arms located at two free ends of the pressing ring, and claws connected in sequence. The sliding arms slidably pass through the corresponding mounting grooves, and an elastic reset element is provided between the sliding arms and the wall of the mounting groove. The two sliding arms are extended outwards towards the contact part. The part of the pressing ring opposite to the handheld part is the pressing part; external force causes the pressing part to move relative to the handheld part, driving the sliding arms to slide and compress the elastic reset element, opening the two claws; when the external force is removed, the elastic reset element pushes the sliding arms back to their original position, and the two claws retract. This tool allows for single-handed control of the claw opening and closing, opening upon gripping and clamping upon release, conforming to ergonomics, greatly simplifying the steps, and improving disassembly efficiency.

The invention relates to the technical field of solar cells, and discloses a trepanning method and application of a passive film for a solar cell. The trepanning method of the passive film sequentially comprises the following steps: pretreating the surface of a silicon wafer; coating insulating slurry on the local part of the surface of the silicon wafer; the insulating slurry is slurry which can be easily removed by water or acid liquor or alkali liquor and has an insulating characteristic; drying to cure the insulating slurry so as to form a patterned insulating layer on the surface of the silicon wafer; depositing a passivation film on the surface of the silicon wafer by adopting a PECVD method; the insulating layer blocks the deposition of a passive film on the surface of the insulating layer, so that the passive film is only deposited on an area where the insulating layer is not formed on the surface of the silicon wafer; and washing off the patterned insulating layer by using water, acid liquor or alkali liquor, so that the corresponding area without the patterned insulating layer becomes an opening area of the passive film. According to the hole opening method, accurate hole opening of the PECVD method passive film can be achieved, the size of the hole opening area is controllable, damage to the silicon wafer is avoided, the fragment rate is not increased, and the hole opening method is safer and more reliable.

The utility model provides an airplane bolt hole punching device, and belongs to the technical field of airplane manufacturing. The device is simple and ingenious in structure, convenient to adjust and good in drilling positioning effect. A feeding column of the device is coaxially inserted into a base in a sliding mode, a second driving motor is fixedly installed at the end of the working end of the feeding column, a drill bit clamp is installed at the end of the output end of the second driving motor in a driving mode, the drill bit clamp is installed on the drill bit clamp, and a plurality of supporting legs are movably inserted into the base and abut against the position between the base and a workpiece. The first driving motor is fixedly installed on the outer wall of the base, the driving end of the first driving motor drives the feeding column through a gear and rack pair to linearly slide along the axis to execute drilling work, and the multiple laser lamps are fixedly installed on the lower end face of the base and used for drilling hole position alignment. The positions of the supporting legs of the device can be freely adjusted, the position of the whole device can be conveniently fixed, the laser lamp and the positioning frame are arranged in a combined mode, hole position alignment is convenient, and the device is simple in overall operation, high in stability and good in trepanning effect.

The utility model relates to the technical field of hub machining, and discloses a hub inclined hole drilling device which comprises a supporting base, a mounting slot is formed in the side face of the supporting base, supporting mounting clamping plates are fixedly connected to the two sides of the supporting base, an angle plate is rotationally connected to the tops of the supporting mounting clamping plates, and a workbench is fixedly connected to one side of the angle plate. Two symmetrical rubber supporting blocks are arranged on the upper surface of the workbench, a mounting rod is fixedly connected to the end, away from the supporting mounting clamping plate, of the upper side face of the supporting base, a first connecting sleeve is fixedly connected to the lower end of the side face of the mounting rod, and a second connecting sleeve movably sleeves the upper end of the side face of the mounting rod; the hub inclined hole drilling device further comprises a supporting device and a drilling machine lifting device, the hub inclined hole drilling precision is high, the hub inclined hole drilling device can adapt to hubs of different specifications, accurate drilling of the inclined hole can be achieved through adjustment, the manufacturing precision and efficiency are improved, and the hub performance and quality are remarkably improved.

The utility model discloses a kind of air bag manometer, including barometer and connector, barometer is by handle, air inlet pipe, outlet head and dial plate, air inlet pipe is connected with air pump, outlet head is communicated with connector by connecting pipe.Joint includes through pipe, pedestal, plug and valve core assembly, valve core assembly is by sealing disc, sealing ring, limit slot, top core column, threaded rod and knob head, top core column front end is equipped with taper head, threaded rod is passed through through pipe and is connected with knob head, knob head is equipped with first anti-skid groove outside.The connecting cap is sleeved in the end of through pipe, and the inner side is equipped with connecting thread and retaining ring, the outer side is equipped with second anti-skid groove, and the retaining ring is attached with the retaining ring outside through pipe.Using, by rotating knob head, top core column is opened to complete inflation by inflating nozzle valve core, after inflation is completed, knob head is reversed to make top core column reset, valve core is closed under the action of elasticity, ensure that gas is not leaked when joint is disassembled.

This utility model belongs to the field of valve device technology and discloses a machine tool liquid tank replenishment control valve, including a valve body and a liquid outlet pipe opened at the bottom of the valve body. A first liquid inlet pipe and a second liquid inlet pipe are respectively opened on both sides of the valve body. The first liquid inlet pipe and the second liquid inlet pipe are connected. The liquid outlet pipe is perpendicularly arranged to the connection of the first liquid inlet pipe and the second liquid inlet pipe and is connected to each other, so that the pipeline of the first liquid inlet pipe, the second liquid inlet pipe and the liquid outlet pipe are arranged in a T-shape. This utility model integrates the valve body in a T-shape and has two independently controllable semi-circular valve stems built in. It can control the liquid inlet of two liquid inlet pipes simultaneously in a single valve body. Compared with the traditional solution of two independently placed valve structures, the space occupied is greatly reduced, the overall structure is greatly simplified, and the installation and arrangement of the valve is more convenient.

The invention relates to the technical field of air conditioners, in particular to a multi-split air conditioner system, a control method, a storage medium and a controller, and aims to solve the technical problem of how to accurately and efficiently control an electronic expansion valve of a power-off indoor unit of a multi-split air conditioner. In order to achieve the purpose, the multi-split air conditioning system comprises at least one outdoor unit and a plurality of indoor units connected with the outdoor units, and the outdoor units are connected with the indoor units through high-speed communication buses. The high-speed communication bus is used for achieving communication between the outdoor unit and the indoor unit and supplying power to the outdoor unit and / or the indoor unit. According to the invention, the communication process and the power supply function between the indoor unit and the outdoor unit based on the high-speed communication bus can be realized. Under the condition that the indoor unit is powered off, the efficient, accurate and real-time control process of the electronic expansion valve of the powered-off indoor unit is achieved.