33results about How to "Realize high-precision adjustment" patented technology

The invention relates to the field of flow control, in particular to an integrated full-scale high-precision flow controller and a flow measurement and control method. The integrated full-range high-precision flow controller comprises a fluid conveying flow path, a control valve and a main control chip, the fluid conveying flow path is provided with at least two flow measuring parts which are different in measuring range and connected in parallel, and each flow measuring part comprises a sensor and a flow resistance structure which are used in cooperation. A measuring part switching assembly is arranged at an inlet of the branch flow path where each flow measuring part is located; the control valve is installed on the fluid conveying flow path and connected with the measuring part switching assembly in series. The main control chip is connected with the flow measuring part, the measuring part switching assembly and the control valve. The flow can be accurately measured, so that the flow is accurately controlled, the requirement of customers for high precision of small-flow process gas is met, full-scale high-precision flow control is met, the integration degree is high, and the structure is compact.

The invention discloses a convenient focal plane adjusting device and an adjusting method, belongs to the technical field of optics, solves the problem of quick stress-free focal plane adjustment of an optical camera, and is convenient and efficient in device and operation. The device is positioned between an optical camera lens and a focal plane electric box, and comprises a lens mounting plate for connecting the optical camera lens; the focal plane mounting plate is used for connecting a focal plane electric box and providing an adjusting interface; the spherical gasket and the focusing screw sleeve are used for adjusting a focal plane; and the positioning screw and the locknut are used for positioning and restraining. According to the device, over-positioning and additional stress cannot be generated, operation is convenient, fast and efficient, and high-precision adjustment with the displacement adjustment precision superior to 0.01 mm and the angle adjustment precision superior to 0.01 degree can be achieved by setting the installation positions and the screw pitches of the device differently.

The application relates to the technical field of sewage treatment, in particular to a pressure dosing method and system for sewage treatment. The application first establishes a stable gas pressure environment in a dosing device, and uses a high-precision pressure sensor to collect pressure data in real time; based on Bernoulli equation, a total pressure-dosing flow relationship model and a dosing pipe static pressure-dosing flow relationship model of the dosing device are constructed, and the applicable flow intervals of the two models are determined; after a target flow value is input, the corresponding model is selected according to the interval to calculate the target total pressure or static pressure value; the system adopts a hierarchical PID control strategy, a primary PID is responsible for total pressure adjustment, and a secondary PID is responsible for static pressure fine adjustment, so that the rapidity and accuracy of pressure control are cooperatively ensured; meanwhile, the actual dosing amount is continuously monitored through a flow measurement unit, and when the flow deviation exceeds the set range, a calibration program is automatically started, and the pressure-flow model parameters are optimized in real time; finally, through closed-loop control of pressure and flow, high-precision adjustment of the dosing flow is realized.

The invention relates to a material conveying and tensioning adjusting mechanism for a compound machine, which comprises a rack, the adjusting driving mechanism is used for driving the tensioning shaft to be close to / away from the conveying belt; the middle area tensioning roller is fixedly connected to the middle of the tensioning shaft; the two edge area tensioning rollers are fixedly connected to the two ends of the tensioning shaft respectively, and each edge area tensioning roller comprises a fixed cylinder and a plurality of movable blocks hinged to the fixed cylinder; the border area adjusting mechanism is used for driving the multiple movable blocks to synchronously expand outwards or retract inwards; a middle area detection roller and two edge area detection rollers; a middle area load sensor and two border area load sensors; and the adjusting controller is configured to control the adjusting driving mechanism and the border area adjusting mechanism to work according to the detection numerical values of the middle area load sensor and the border area load sensors, so that the detection numerical values of the middle area load sensor and the two border area load sensors tend to be consistent. According to the tensioning device, the middle area part and the edge area part of the conveying belt can be independently tensioned and adjusted.

The utility model belongs to the technical field of optics, and particularly provides a diaphragm adjusting device which comprises a base and a diaphragm. The base is connected with a bracket; the bracket is provided with a mounting through hole; the diaphragm is movably mounted in the mounting through hole; the support is provided with an adjusting assembly used for driving the diaphragm to move in the installation through hole, and the moving direction of the diaphragm in the installation through hole is parallel to the vertical plane of light beam propagation. According to the diaphragm adjusting device provided by the utility model, complicated X-axis and Y-axis adjusting mechanisms are omitted, and the diaphragm adjusting device is small in size, low in cost and convenient to use. The position of the diaphragm can be determined only through the adjusting screw and the elastic plunger, the diaphragm slides along the matching surface of the diaphragm base when the adjusting screw is adjusted, and high-precision adjustment of the diaphragm is achieved. In addition, the light passing area of the diaphragm can be polished and chamfered, the damage threshold value of the diaphragm is increased, the aperture can be made smaller, and the volume of a fundamental mode is limited.

The present application provides a kind of low load under coal mill outlet wind powder temperature regulating system and method, including temperature sensor group, flow sensor, coal dust concentration sensor, temperature regulating device and control unit, wherein: temperature sensor group is used to measure the wind powder temperature of different positions of coal mill outlet pipeline;Flow sensor is used to measure the wind powder flow of different positions of coal mill outlet pipeline;Coal dust concentration sensor is used to detect the coal dust concentration in the coal mill outlet pipeline;Temperature regulating device is used to adjust the wind powder temperature of coal mill outlet pipeline;Control unit is used to receive the signal of temperature sensor group, flow sensor, coal dust concentration sensor, calculate temperature regulating amount and output signal to temperature regulating device to the wind powder temperature of coal mill outlet.The present application ensures that the wind powder temperature of coal mill outlet is stable near the target value, improves the combustion efficiency, and ensures the stable operation of the entire thermal system.

This invention belongs to the field of bionic robotics technology, specifically disclosing a bionic eye based on a two-degree-of-freedom parallel mechanism driven by artificial muscles. It includes a two-degree-of-freedom flexible driving parallel mechanism with a bionic eye structure on it. The bionic eye structure includes a flexible eyeball. The two-degree-of-freedom flexible driving parallel mechanism includes symmetrically arranged rectus muscle flexible bodies and rectus muscle ties connected to the flexible eyeball. The end of the rectus muscle flexible body has a common tendon ring platform that cooperates with the rectus muscle ties. This invention, by using a ball-joint connected bionic eye structure, combined with the four artificial muscles of the rectus muscle flexible body in the two-degree-of-freedom flexible driving parallel mechanism, enables the bionic eye to possess two movement postures: yaw and pitch. By conforming to the physiological structure and main movement patterns of the human eyeball, and through the stepless adjustment of the rectus muscle flexible body by the rectus muscle ties, precise two-degree-of-freedom adjustment of the bionic eye can be achieved.

The utility model discloses a multi -way valve with high accuracy flow control structure relates to valve technical field, including valve body, the valve body includes the casing, one end of casing is fixedly connected with sealed positioning section, and the water inlet telescopic section is inserted to one end of sealed positioning section, and the inboard wall of sealed positioning section is equipped with the joint interface, and the taper filter is clamped, the cavity of casing is fixedly connected with valve seat through the mouth opening, the valve core is clamped in valve seat, and the top of casing is fixedly connected with main motor. The utility model provides valve body, on the basis of realizing the filtration and avoiding the influence precision, and at the same time, under the condition of not with the pipeline dismounting, the filtration assembly is convenient to take out and clean, so that the existing multi -way valve is led to the key component easy wear and tear, block and affect control precision because of lacking filtration assembly, and filtration assembly dismounting and cleaning need to dismount the valve as a whole, and the problem of complicated and laborious operation.

The invention relates to the technical field of battery management, and discloses an intelligent adjustment method and device for charging and discharging request current of a battery, and the method comprises the steps: calculating the maximum allowable current based on the clustering number and a corresponding current reduction coefficient, and obtaining the current maximum current of each battery cluster; setting the value of an adjustment mark according to the numerical relationship between the maximum allowable current and the current maximum current; and determining a corresponding adjustment mode based on the value of the adjustment mark, and adjusting the request current according to the adjustment mode. According to the method, the value of the adjustment mark is set by comparing the numerical relationship between the current maximum charging and discharging current of each cluster and the calculated maximum allowable current in real time, and then the request current is dynamically adjusted according to the value, so that the problem that battery packs among the clusters are inconsistent when the batteries are clustered is solved, high-precision adjustment of the request current of each cluster is realized, and the service life of the batteries is prolonged. Therefore, the consistency in the cluster can be adjusted to a proper state in time, and the problems of charging and discharging overcurrent and the like of the battery can be prevented.

The invention relates to the technical field of railway line maintenance equipment, and provides a spraying device for a carrier cable of an overhead line system of an electrified railway. The spraying frame moves up and down relative to the machine body and is arranged in a swinging manner, the spraying frame is provided with a spraying space, and the spraying space is used for containing a carrier cable; the first spraying head is arranged on the machine body in a swinging mode and located on one side of the spraying space. By means of the technical scheme, the problem that in the prior art, due to the complex structure of the carrier cable, the spraying efficiency is not high enough is solved.

This utility model discloses an adjustable-height composite lathe tool, relating to the field of lathe tool technology. It solves the technical problems of existing solutions, such as low adjustment precision, inability to continuously adjust, cumbersome operation, and low efficiency. The tool includes a base, a tool holder, and a cutting blade. The cutting blade is disposed on the upper wall of the tool holder, which is slidably mounted on the base. A fixed cylinder is provided on the base, and a threaded hole is formed inside the fixed cylinder. A screw is rotatably mounted inside the tool holder, and the screw is threadedly connected to the threaded hole of the fixed cylinder. This utility model employs a screw-driven, inclined-plane-wedge-tightened structure. When the screw is rotated, its rotational motion is converted into linear micro-movement of the tool holder along the inclined plane through the threaded pair. The linear displacement of the tool holder is then converted into even smaller vertical displacement of the cutting blade through the inclined plane structure. This mechanical transmission method has a large transmission ratio, allowing the operator to easily achieve continuous, stepless, and high-precision adjustment of the cutting blade height by rotating the screw.

The application provides a three-freedom-displacement-adjusted lens image quality detection device, comprising: a base; an image source assembly arranged on the base; a three-axis displacement table arranged on the base and located on one side of the image source assembly; a lens clamping assembly arranged on the three-axis displacement table and used for clamping a to-be-detected optical lens, the lens clamping assembly moving along XYZ directions through driving of the three-axis displacement table; and an imaging assembly arranged on the base and located on a side of the three-axis displacement table away from the image source assembly; the image source assembly forms a detection image through imaging of the to-be-detected optical lens, and the imaging assembly is used for receiving the detection image. The problem that the adjustment of the detection tool in the height direction is limited in the prior art and cannot meet the adjustment requirements of high-end optical detection is solved.

The utility model relates to an electronic truck scale with adjustable weighing platform length in the technical field of electronic truck scales, which comprises a main body weighing platform, one side of the main body weighing platform is provided with an upper slope, one side of the main body weighing platform far away from the upper slope is provided with a lower slope, and the inside of one side of the main body weighing platform close to the upper slope is slidably connected with a movable weighing platform. According to the utility model, an operator pulls out the movable weighing platform outwards to adjust the length of the weighing platform, so that the electronic truck scale is suitable for longer automobiles and trucks, then springs return and push the sliding rods and the wedge-shaped blocks outwards, the wedge-shaped blocks abut against the wedge-shaped grooves, and high-precision adjustment of the length of the weighing platform is realized through cooperation of the wedge-shaped blocks and the wedge-shaped grooves. The clamping after adjustment is also realized; according to the utility model, the servo motor drives the screw rod to rotate, the mounting slide block moves on the screw rod, and the cleaning motor drives the fan blades to rotate, so that the surface of the main body weighing platform can be purged, and the measurement precision of the electronic truck scale is prevented from being influenced by gravels.

The utility model belongs to the technical field of adhesive force testing, and particularly relates to a drivable adhesive force testing device. Comprising a bottom plate, a hydraulic cylinder, a scribing head, an operating handle, a clamp and a transmission assembly, the transmission assembly is installed on the bottom plate and comprises a lead screw and a driving motor, the lead screw is connected with the power output end of the driving motor, the lead screw is connected with the clamp, the hydraulic air cylinder is installed above the bottom plate, and the scribing head is installed on a piston rod of the hydraulic air cylinder. The operating handle is installed on the hydraulic air cylinder, and the clamp is installed on the bottom plate. The scribing head is driven by the hydraulic cylinder to move up and down so as to be in contact with a test plate in the clamp, the test plate in the clamp is driven by the transmission assembly to move in the length direction of the lead screw, scratches are left on the test plate, and the scribing head can be controlled to automatically complete scribing on the test plate through the lead screw and the driving motor. And the adhesive force testing efficiency is realized.

This utility model belongs to the field of flow valve technology, specifically providing a flow valve based on an iris mechanism, including a valve body assembly, an iris opening and closing mechanism, a small bevel gear, a sleeve bearing, a flange bearing, an upper end cover, and an air source connector. The valve body assembly includes a valve body and a first ring body. The iris opening and closing mechanism includes an end face flange assembly, a large bevel gear assembly, a gate, and a guide block. The end face flange assembly includes an end face flange and a third ring body, and the large bevel gear assembly includes a large bevel gear and a second ring body. The included angle between the shafts of the small bevel gear and the large bevel gear is 90°, thereby changing the transmission direction. The iris opening and closing mechanism of this utility model drives the bevel gear to cause the gate to retract inward or expand outward, realizing the gate closing and opening functions. The flow valve of this utility model has a simple structure, good adjustment linearity, and can achieve high-precision adjustment over a large flow range, improving production efficiency and reducing production costs.

The invention discloses a demagnetization fault mode adjustable permanent magnet motor test platform and method, and belongs to the technical field of permanent magnet motor demagnetization. The platform comprises a base, a guide rail, an electric lead screw module, a bearing supporting seat, a motor shaft, a tested motor with an adjustable demagnetization fault mode, a coupler, a torque sensor, a base of the torque sensor, a load motor or a magnetic powder brake, a motor base and a sliding block. The rotor of the tested motor adopts a dovetail groove guide rail structure, and the permanent magnet can be conveniently replaced through the embedded matching of the notch on the rotor iron core and the dovetail iron block assembly. The electric lead screw module drives the stator to move axially, and the coupling position of the stator and the rotor iron core module is adjusted. The platform flexibly simulates uniform or local demagnetization faults by adjusting the sizes and positions of the permanent magnets in the X, Y and Z directions. Compared with traditional equipment, the platform is low in cost, simple in structure, high in experiment flexibility and suitable for diversified demagnetization fault research.

The invention provides an anchor pipe positioning and mounting method, and relates to the technical field of bridge construction. The anchor pipe positioning and mounting method comprises the following steps: mounting an anchor pipe according to a positioning point of the anchor pipe and a pre-mounted guide plate; a first branch midpoint on the anchor pipe is obtained, and a first branch midline is drawn on the anchor pipe according to the first branch midpoint; determining a first mark point below the first midpoint, and measuring an actual horizontal distance and an actual lateral offset distance according to the first mark point; and the mounting angle of the anchor pipe is adjusted according to the actual horizontal distance and the actual transverse offset distance. The anchor pipe positioning and mounting method is easy and convenient to operate, high-precision adjustment of the mounting angle of the anchor pipe can be achieved through accurate measurement, it is ensured that the anchor pipe meets the design requirement, reworking caused by the incorrect mounting angle is avoided, and therefore time and cost are saved.

The utility model relates to the technical field of LED dimming, and provides a multi-gear high-precision LED constant-current dimming circuit, which comprises an LED lamp group, a dimming circuit, a booster circuit and an under-voltage protection circuit, and is characterized in that a plurality of adjusting resistors R2-R5 which are connected in series are arranged to be matched with a single-pole multi-throw dial switch SW1, so that the resistance value of the circuit on the series circuit can be flexibly adjusted, the current of the LED lamp group can be adjusted, and the dimming effect of the LED lamp group can be improved. Therefore, multi-gear high-precision adjustment is realized; a triode and an MOS tube are arranged to form switch control, the weak current control principle of the triode is utilized, a resistor R1 with the resistance value far larger than that of all resistors in a series adjusting module is arranged in a matched mode, when LED circuit dimming is carried out, the R1 with the large resistance value can neglect the influence of voltage drop of the triode Ibe on R3 / R4 / R5 on LED current precision, and meanwhile a loop of an LED lamp set can be thoroughly turned off when SW1 is turned off; a divider resistor is adopted to carry out real-time feedback detection on the output voltage of the booster circuit, and under-voltage self-detection and self-protection are achieved.

The utility model discloses an efficient cutting device for metal product machining, which comprises a machining table, an adjusting frame is fixedly mounted on the upper end face of the machining table through a fixing plate, an adjusting shaft is rotatably mounted in the adjusting frame, and a conical rotor motor connected with the adjusting shaft is fixedly mounted on the outer wall of the adjusting frame. A containing frame is fixedly connected to the outer wall of the adjusting shaft through an adjusting mechanism, a two-way screw rod is rotationally installed in the containing frame, and a stepping motor connected with the two-way screw rod is fixedly installed on the outer wall of the containing frame. The hydraulic cylinder, the moving plate, the connecting plate and other assemblies are arranged, the telescopic end of the hydraulic cylinder drives the moving plate to move, and the clamping plate is driven to rotate around the connecting shaft and clamp a workpiece through a transmission mechanism composed of the first connecting frame, the connecting plate and the second connecting frame. By means of the linkage structure, the clamping plate can adjust the angle in a self-adaptive mode according to the irregular outline of the metal product, and tight attaching clamping is achieved.

The utility model relates to the technical field of machine tool tables, and discloses a rotary adjusting machine table which comprises a machine table body, a rotary groove is formed in the machine table body, an annular rotary groove is formed in the bottom of the rotary groove, a transmission groove is formed in the machine table body, and the transmission groove is formed in the side face of the annular rotary groove. And a meshing groove is formed between the transmission groove and the annular rotating groove. According to the rotary adjusting machine table, the rotary knob is arranged, the rotary plate can be driven to rotate by screwing the rotary knob by people, so that the angle of the rotary plate can be conveniently adjusted by people, and manual input rotary force is amplified and converted into accurate angle adjustment of the rotary plate through speed reduction transmission of a worm gear and a worm; meanwhile, the self-locking characteristic of the worm gear and the worm is used for preventing back-off, the annular angle plate is matched with the pointer, the rotating angle of the rotating plate is visually displayed, real-time angle feedback is provided, and high-precision adjustment is achieved in combination with precise transmission of the worm gear and the worm.

The invention discloses a laser machining device for a surface microstructure of a thin-wall spherical shell type micro-component, and relates to the technical field of micro-component surface machining. The problem that due to the fact that traditional material removal modes such as ultra-precision cutting are incomplete in material removal and substandard in contour precision, the manufacturing requirement caused by the nanoscale precision of the surface microstructure of the thin-wall spherical shell micro-component cannot be met is solved, the device comprises an X / Y / Z / B / C axis movement unit, a Y axis, a B axis and a C axis are sequentially arranged on a horizontal base table board in a stacked mode, and a workpiece is installed on a C axis objective table; the X axis and the Z axis are mounted on a cross beam of the portal frame in an overlapping manner, the laser processing head is fixed on a Z-axis carriage, and the workpiece position change introduced by the swing of the B axis can be compensated through the X axis; according to the device, laser processing and in-situ detection of the surface microstructure of the thin-wall spherical shell micro-component are integrated, high-precision adjustment of a movement position, precise regulation and control of laser pulse energy and precise capturing and recognition of a feature point position can be achieved, and high-precision stable controllable removal of an incomplete part of a cutting processing material is met.

This utility model discloses a wall thickness adjustment device for a blow molding machine. The device includes a die and a mandrel internally slidably connected to it. A support plate at the top of the die connects to a side frame, and a guide rod and a lead screw are provided between the side frames. The lead screw has two sections with oppositely oriented threads, which threadedly engage with a slider on the guide rod. The slider is hinged to a connecting block at the top of the mandrel via a connecting arm. A motor drives the lead screw to slide and adjust the wall thickness. The bottom of the die has a tapered opening, and the side wall has a feed inlet, which engages with the tapered head at the bottom of the mandrel to assist in material molding. Compared to traditional cylinder and hydraulic drive methods, this device adopts a lead screw-slider transmission structure, which provides smooth transmission, is unaffected by air pressure fluctuations, hydraulic leakage, and component wear, and can precisely control the motor speed and angle to achieve accurate mandrel displacement. This effectively improves the stability and accuracy of wall thickness adjustment, ensuring the quality of plastic products and production efficiency.

The invention relates to an energy-saving air water generator and a working method thereof. The energy-saving air water generator is characterized by comprising a compressor, a condenser, a four-way electric control valve, an evaporator and an inner cooling pipe placed in a water tank, a first branch of the output end of the compressor is sequentially connected with the input end of the condenser, the output end of the condenser, a first port of the four-way electric control valve, a fourth port of the four-way electric control valve, the input end of the inner cooling pipe, the output end of the inner cooling pipe and the input end of the compressor. A second branch of the output end of the compressor is sequentially connected with a second port of the four-way electric control valve, a third port of the four-way electric control valve, the input end of the evaporator, the output end of the evaporator and the input end of the compressor. The four-way electric control valve is electrically connected with the controller so as to control the first port and the third port of the four-way electric control valve to be communicated, the first port and the fourth port of the four-way electric control valve to be communicated, and the second port and the third port of the four-way electric control valve to be communicated or not communicated. According to the energy-saving air water generator and the working method thereof, the design is reasonable, the equipment structure is simplified, and the manufacturing cost is reduced.

The utility model relates to the technical field of stamping dies, in particular to a self-adaptive adjusting mechanism which comprises a main body block, a sliding block, a base and an electric control driving assembly. According to the utility model, a friction angle self-locking principle is utilized, so that the cushion block mechanism can bear enough stamping material force; and the movement direction is changed through the inclined plane design by utilizing the wedge principle. The movement of the driving block in the vertical direction is converted into the movement of the sliding block in the horizontal direction, so that the horizontal movement of the sliding block is realized; and the movement of the sliding block in the horizontal direction is converted into the movement of the main body block in the vertical direction, so that the height change of the main body block in the vertical direction is realized, and the gap between the pressing ring and the female die is adjusted. The self-adaptive adjusting mechanism is simple in structure, height adjustment of the cushion block is simple and convenient, and the problem of height electric control adjustment of the drawing die body block is solved. Therefore, the drawing gap adjusting device can solve the technical problems that in the prior art, a cushion block and a gasket are adopted for adjusting the drawing gap, operation is tedious, adjusting precision is low, the skill requirement for adjusting personnel is high, and efficiency is low.

The utility model discloses a kind of modular adjustable mass concrete temperature monitoring devices based on, including double helix linkage adjusting mechanism and honeycomb compression-resistant shell;Double helix linkage adjusting mechanism includes: vertical adjusting mechanism and horizontal adjusting mechanism;Vertical adjusting mechanism includes: H-type support, trapezoidal thread screw rod and hand wheel;H-type support includes: crossbeam and the vertical beam located in the both sides of crossbeam;Cavity is equipped in vertical beam;Floating mounting seat is equipped in the transverse center hole of crossbeam;Trapezoidal thread screw rod is penetrated crossbeam from bottom to top, and passes through the thread hole of floating mounting seat;Horizontal adjusting mechanism is equipped in the cavity of vertical beam;Honeycomb compression-resistant shell is fixedly connected with the bottom end of trapezoidal thread screw rod;Temperature detection device is encapsulated in honeycomb compression-resistant shell inside.The utility model is combined by double helix linkage adjusting mechanism and honeycomb compression-resistant shell, realize the high-precision three-dimensional positioning and stable protection of temperature monitoring device in mass concrete.

The utility model relates to the technical field of electric power waste equipment disassembly, and discloses an automatic transformer centering and positioning device which comprises two supporting columns, the tops of the two supporting columns are fixedly connected with transverse supporting strips, horizontal moving mechanisms are arranged outside the supporting columns, the bottom of a lifting mechanism is fixedly connected with a connecting block, and the connecting block is fixedly connected with a lifting mechanism. A fixing mechanism is arranged at the bottom of the connecting block and comprises a shell, a threaded rod is rotatably connected to the interior of the shell, two limiting columns are fixedly connected to the interior of the shell, a transmission ring is in threaded connection to the exterior of the threaded rod, and a fixing plate is fixedly connected to the exterior of the shell; and the outer part of the fixed plate is fixedly connected with a brake assembly. According to the transformer positioning and mounting device, through the cooperation of the first motor, the belt wheel transmission and the threaded rod, the transformer can be quickly clamped and loosened by the fixing support, the rotation of the transmission ring is limited by the limiting column, and the positioning and mounting efficiency and safety of the transformer are effectively improved.

This utility model relates to the field of toilet paper machine technology, specifically a vacuum absorbent tank assembly for a toilet paper machine. It includes a support plate, an adjusting plate mounted on the bottom of the support plate, and a bracket mounted on the bottom of the adjusting plate. The bracket is fixed to a water tank. The adjusting plate is driven by an adjusting component to make horizontal adjustments on the bracket, thereby adjusting the distance between adjacent support plates. A felt cloth is laid on top of the support plate. In this vacuum absorbent tank assembly for toilet paper machines, the adjusting component drives the adjusting plate to make horizontal adjustments on the bracket, thus achieving flexible and adjustable spacing between adjacent support plates. This design allows the assembly to adapt to different paper types and production process requirements, achieving optimal dehydration effects and improving paper quality and production efficiency. The support plate uses a combination of POM material and ceramic plate, retaining the wear resistance and corrosion resistance of ceramic material while reducing weight through POM material, thus improving the overall durability and reliability of the assembly.

The invention discloses a variable aperture module and electronic equipment, and belongs to the technical field of optical components. The variable aperture module comprises a base, wherein a light inlet hole is formed in the base; the light shielding wafer is arranged on the base, and a light through hole is formed in the center of the light shielding wafer; the shading wafer has a first state in which the shading wafer telescopically deforms in the direction close to the center of the light through hole and the diameter of the light through hole is reduced, and a second state in which the shading wafer telescopically deforms in the direction away from the center of the light through hole and the diameter of the light through hole is enlarged; the adjusting mechanism is connected with the shading wafer and the base, and the adjusting mechanism is used for controlling the shading wafer to be in the first state or the second state.

The utility model discloses an automatic lifting adjusting mechanism for a welding gun head, which belongs to the field of pipeline internal welding machines and comprises an internal welding machine welding head, a welding unit is movably mounted at the head of the internal welding machine welding head, an air cylinder is mounted on the inner wall of the internal welding machine welding head, and the output end of the air cylinder is connected to the welding unit to drive the welding unit to rotate and adjust. The welding unit comprises a fixing frame, a special-shaped welding gun vertically extending out of the surface is arranged in the fixing frame, and a motor is further horizontally and fixedly installed on the side face of the fixing frame. According to the utility model, a meshed gear and rack structure is arranged in the welding head of the internal welding machine, so that the real-time lifting adjustment of the special-shaped welding gun is realized by controlling the rotation of the motor and utilizing the transmission of the gear and the rack, and the high-precision adjustment is realized; in addition, the air cylinder is arranged to drive the welding unit to rotate around the rotating shaft, the adjusting range of the special-shaped welding gun is further widened, and the special-shaped welding gun is more suitable for application in different working environments.

This invention discloses an intelligent multi-channel glow discharge device. The device employs a multi-layered integrated design, achieving both high integration and high safety for the positive and negative electrode discharge units. Precise electrode position detection and control units allow for precise adjustment of the distance between electrodes. Independent monitoring and control of multiple channels ensures optimal flow rate and droplet size for each channel. In terms of control, innovative multi-channel collaborative feedback control technology, intelligent adaptive adjustment algorithms, and an integrated safety protection system make the entire glow discharge process efficient, intelligent, precise, safe, and controllable. This invention is particularly suitable for fields such as catalyst preparation, significantly improving production efficiency and catalyst quality consistency while effectively reducing the risks associated with manual operation.