10results about How to "Achieve linear adjustment" patented technology

The utility model relates to the technical field of electric tilting valves, and discloses a novel electric tilting valve which comprises a supporting pipe, annular connecting plates are fixedly connected to the front end and the rear end of the supporting pipe respectively, a plurality of mounting holes are formed in the middles of the annular connecting plates, and annular limiting grooves are formed in the front end and the rear end of the supporting pipe respectively. The middle of the inner wall of each annular limiting groove is fixedly connected with an annular rubber ring, the annular rubber rings and the limiting grooves are arranged, the rubber rings are embedded in the annular limiting grooves in the two ends of the supporting pipe, double sealing is formed through pressing, and the leakage problem caused by vibration or deformation of a traditional valve body is solved; the installation holes in the annular connecting plate support rapid flange installation, the sealing face is evenly stressed, local stress concentration caused by traditional bolt direct connection is avoided, the servo motor and the rotating shaft are arranged, the rotating angle of the rotating shaft is controlled through the servo motor, and linear adjustment of flow or pressure is achieved.

The application provides a prestressed concrete box girder short line matching segment prefabrication system and construction method, relates to the technical field of box girder short line matching segment prefabrication, and comprises the following steps: step 1, excavating a bottom mold pit; step 2, installing a side mold fixing base; step 3, installing and adjusting a bottom mold system; step 4, installing and adjusting a side mold; step 5, installing a steel reinforcement framework; step 6, installing and adjusting an inner mold and an end mold; and step 7, segment girder cyclic prefabrication. The application improves the occupying and adjusting mode of the bottom mold system, changes the side mold positioning and measuring mode, integrates the inner mold and the end mold system, reduces the operation space occupation, and improves the prefabrication operation precision and efficiency.

The utility model relates to a locking device of a spare tire cover lock. The locking device comprises a sliding piece, a connecting plate, a bolt and a nut. The sliding part comprises a sliding plate, upper side plates and a rear side plate, a hook body is arranged at the front end of the sliding plate, the upper side plates are arranged on the two sides of the surface of the sliding plate respectively to form spring bolt grooves, inlets of the spring bolt grooves are formed between the tops of the upper side plates, and the size of the inlets of the spring bolt grooves is smaller than that of inner cavities of the spring bolt grooves. The rear side plate is arranged at the rear end of the sliding plate, and a second through hole is formed in the rear side plate; according to the locking device, the sliding piece is matched with the bolt, the nut and the connecting plate, the position of the sliding piece is accurately adjusted, the structure is compact, and reliability is high. The sliding piece is fixedly connected to the support through the bolt, a user only needs to rotate the nut, the bolt can be controlled to move front and back, and therefore the sliding piece is driven to achieve linear adjustment, the hook body accurately enters or retreats from the locking groove, and the locking or unlocking efficiency and stability are effectively improved.

This invention relates to an adjustable proportional fertilizer absorption component and an integrated water and fertilizer irrigation device, belonging to the field of irrigation technology. It includes a housing assembly; a reciprocating piston assembly slidably disposed within the housing assembly, and including a linked drive piston and a fertilizer absorption piston; the fertilizer absorption chamber has an adjustable effective fertilizer absorption volume, and the fertilizer absorption piston moves accordingly to draw external fertilizer solution into the fertilizer absorption chamber; the fertilizer absorption piston is provided with a low-resistance exhaust branch connecting to a compensation component and a high-resistance fertilizer injection branch connecting to the mixing chamber; the compensation component defines a gas-liquid isolated drive volume and a compensation volume, configured to receive the gas medium discharged from the low-resistance exhaust branch to expand the drive volume, and simultaneously compress the compensation volume to inject an equal amount of fertilizer solution into the mixing chamber. By changing the molecular weight of the fertilizer solution injected in a single cycle, linear adjustment of the final water-fertilizer ratio can be achieved.

The utility model discloses a hidden type bean grinding adjusting structure and a portable coffee machine thereof, and belongs to the technical field of coffee equipment, the hidden type bean grinding adjusting structure comprises a supporting shell, the upper end of the supporting shell is detachably connected with a bean bin, and the lower end of the supporting shell is provided with a grinding mechanism; the grinding mechanism comprises a grinding cavity, a tool bit is arranged in the grinding cavity, and a grinding disc is arranged around the periphery of the tool bit; an adjusting wheel is arranged outside the grinding cavity and used for adjusting the gap between the tool bit and the grinding disc. When the bean bin is detached from the supporting shell, the through hole is exposed; when the adjusting wheel is screwed, the grinding disc ascends or descends relative to the tool bit. According to the utility model, the adjusting wheel is hidden below the bean bin, and the operation is only performed through the through hole after the bean bin is disassembled. The through hole and the adjusting hole are arranged oppositely, so that rapid adjustment of a single tool is supported, the whole machine does not need to be disassembled, the operation complexity is reduced, and the multiple requirements of a user for stability, accuracy, convenience and attractiveness of the portable coffee machine are met.

This invention relates to an adjustable reactor control method for a new energy grid-connected testing platform, belonging to the field of adjustable reactor technology. The method includes five main steps: defining a switching function, calculating the voltage value of the secondary winding, calculating the voltage and current values ​​of the primary winding, calculating the impedance of the primary winding, and linearly adjusting the reactor. This invention changes the impedance of the adjustable reactor by altering the duty cycle. When the duty cycle is increased, the magnitude of the adjustable reactor's impedance decreases; when it is decreased, the impedance of the adjustable reactor increases. In other words, this invention can linearly adjust the reactance, has a simple structure, and is easy to implement in engineering.

The invention discloses a light source wavelength broadening method, relates to the field of light source wavelength broadening, and aims to provide a broadening method in a wider range, and adopts the technical scheme that the stimulated Raman effect in an optical fiber can be remarkably enhanced by utilizing an asymmetric tail-towed Pears-Gaussian pulse and applying frequency spectrum secondary chirp at the same time; therefore, wider-range soliton self-frequency shift is prepared. Frequency spectrum secondary chirp is applied to the tail-towed Pears-Gaussian pulse, so that the tail-towed Pears-Gaussian pulse can excite soliton self-frequency shift in an optical fiber after passing through an optical fiber amplifier, thereby obtaining an ultra-short Raman soliton with a wide spectrum, realizing widening of the wavelength of a light source, and obtaining a widening range wider than that of Airy pulse through the widening mode. Therefore, the wavelength of a wider light source can be adjusted by changing the output power of the optical fiber amplifier.

The utility model belongs to the technical field of electronic cigarette, disclose a kind of electronic cigarette atomizer equipment, wherein, including: oil depot component;Atomization component is installed in oil depot component, and atomization component and oil depot component jointly form air inlet passage;Air inlet sliding block is slidably installed on oil depot component, and one end of air inlet sliding block is inserted in the opening of air inlet passage;Wherein, along the opening side wall of air inlet passage sliding air inlet sliding block, to make opening open / close;The utility model is slidably provided with air inlet sliding block on oil depot component, and one end of the air inlet sliding block is inserted in the opening of air inlet passage, utilize the sliding of sliding block relative to air inlet passage opening side wall, realize the continuous control to air inlet area, to realize the linear regulation of airflow size, different user's individualized demand to suction resistance and atomization effect can be effectively satisfied.

The invention relates to the field of rubber belt conveying, and discloses a layering trolley for automatic deviation correction of a belt storage bin. The device comprises a frame, a floating frame slidably mounted on a sliding shaft on the inner wall of the frame, a supporting assembly and a stabilizing assembly. The floating frame lifts the belt body through the supporting rollers and generates translational displacement along with deviation of the belt body. The supporting assembly extrudes the resistance sleeve through the eccentric cam-shaped extrusion sleeve when the damping rod swings, so that the damping force is linearly increased along with the increase of the offset, and deviation energy of the belt body is absorbed. The stabilizing assembly moves relative to a piston rod fixed relative to the frame through a piston sleeve fixed to the bottom of the floating frame, and hydraulic oil in a main piston cavity is extruded. The sliding block drives the plugging head to mechanically plug the offset side oil way, hydraulic oil is guided to flow to the opposite side in a one-way mode through the connecting cavity, the auxiliary wheels on the opposite side are driven to extend outwards and press the side wall of the rail, and the reverse torque counteracts the overturning torque generated by gravity center offset. Automatic deviation correction and toppling resistance are achieved through mechanical linkage and hydraulic feedback.

The utility model discloses a kind of multifunctional processing platform for ABS plate surface polishing, including processing platform main part, the top of processing platform main part is fixedly connected with apron, the top of two supporting plates is fixedly connected with screw rod placing box, one end of screw rod placing box is fixedly connected with driving motor one, the movable end of driving motor one is fixedly connected with threaded rod and penetrates screw rod placing box, threaded rod is screw-threaded with threaded surface screw block, the bottom of threaded slide block is fixedly connected with connecting plate, the bottom of connecting plate is provided with ABS plate polisher, and the bottom of connecting plate is provided with adjusting device for the multidirectional movement of ABS plate polisher, the inner wall of apron is fixedly connected with placing plate, and clamping device for the quick fixing effect of ABS plate of different sizes is arranged between processing platform main part and apron, a kind of multifunctional processing platform for ABS plate surface polishing, solve the problem of low polishing efficiency of worker, greatly improve polishing efficiency.