140results about How to "Play a fixed role" patented technology

The utility model provides a transformer shell processing plate cutting machine relates to cutting machine technical field, including work table, the work table surface is passed in and is opened cutting groove, the work table lower surface fixed mounting has support frame, support frame surface fixed mounting has mounting plate, electric guide block upper surface fixed mounting has support rod, support rod upper end installation has electric cutting knife, electric cutting knife passes through cutting groove, first hydraulic cylinder output setting is in mobile support surface, be provided with positioning adjustment assembly on mobile support, the utility model discloses through second hydraulic cylinder output telescoping, at this moment can drive swing plate swing, adjust the inclination angle of swing plate, can the inclination angle of plate material simultaneously, after adjusting the inclination angle of plate material to the suitable inclination angle, through the moving mechanism of driving plate material, move plate material to the position department of electric cutting knife, to the plate material in the inclined cutting work.

The invention relates to the technical field of pollution detection devices, in particular to a waterfront water and soil loss non-point source pollution detection device and method.The waterfront water and soil loss non-point source pollution detection device comprises a water and soil loss monitor, the water and soil loss monitor is installed on a supporting plate, the supporting plate is in lap joint with the top of a ditch supporting plate, and wire bunching arms are rotationally connected to the two sides of the supporting plate; the surface of the bunching arm is provided with a bunching groove, the connecting end of the water and soil loss monitor is connected with a wire, one end of the wire is provided with a sensor probe, and the wire and the sensor probe both extend into the bunching groove; the device has the advantages that the bunching arms rotationally connected to the two sides of the supporting plate are ingenious in design, the bunching arms can swing downwards to the bottom of the ditch supporting plate, and a sensor probe installed at one end of a wire can extend into a ditch to detect a flowing water source. Meanwhile, the bunching groove formed in the surface of the bunching arm provides an ordered placement space for the wire and the sensor probe, and the wire bunching arm is fixed through the cooperation of the bunching groove and the hand-twisted screw, so that the wire and the sensor probe are effectively prevented from swinging under the impact of water flow.

The utility model relates to the technical field of woven fabric production, in particular to a fabric suspension device for woven fabric production, which comprises a base, connecting plates are arranged on two sides of the top of the base, a suspension rod is fixedly connected to the tops of the inner sides of the two connecting plates, and limiting components are arranged on two sides of the surface of the suspension rod. A material supporting assembly is arranged below the hanging rod and comprises two electric push rods, and the two electric push rods are located on the inner sides of the two connecting plates correspondingly. When fabric needs to be aired, the fabric is firstly hung on the hanging rod, then the fabric is fixed on the hanging rod through the limiting assembly, when the fabric needs to be supported for airing, the electric push rod firstly operates, the push plate is driven by the electric push rod to move downwards, the two toothed plates are driven by the push plate to move, and then the fabric is hung on the hanging rod through the limiting assembly. The gear can be driven to rotate through the toothed plate, the rotating rod is driven to rotate through the gear, and the material supporting frame is driven to rotate through the rotating rod.

This invention discloses a positioning support device for a mammography machine in radiology, belonging to the field of medical device technology. The positioning support device includes a movable guide rail, a mounting base slidably connected to the movable guide rail, a standing plate rotatably connected to the mounting base, a back plate fixed to one side of the top of the standing plate, two sets of shoulder fixation components symmetrically and slidably connected to the back plate, and an adjustable lumbar support pad slidably connected to the back plate. The shoulder fixation components and the lumbar support pad move up and down synchronously. A seat plate is also movably connected to the back plate, and a hidden groove matching the seat plate is provided on the back plate, located below the shoulder fixation components. This positioning support device allows patients to have their shoulders fixed in a normal standing position for convenient examination, and also allows patients to undergo mammography in a seated position. The seat position is rotatable and movable, and patients can easily get in and out of the seat. Furthermore, this positioning support device also provides effective support for the patient's lower back.

The utility model relates to the technical field of straw cutting-off, in particular to an agricultural harvesting straw cutting-off machine which comprises a cutting-off box. The device further comprises a hole plate and a crushing roller, a cutting-off box is fixedly connected, a cutting-off roller is rotationally connected into the cutting-off box, and a long blade is fixedly connected to the outer side of the cutting-off roller through a fixing block. Through the use of the long blade and the crushing roller, the controller controls the cutting air cylinder to drive the cutter to primarily cut moving straw, the cutting length can be flexibly adjusted, the single cutting load is reduced, the abrasion to the cutter is reduced, the primarily cut straw falls into the cutting box, the cutting roller rotates to drive the long blade to rotate, and the straw can be cut into the straw. The two crushing rollers rotate relatively, the straw is uniformly crushed into fine particles, the overall treatment efficiency of the straw is improved through three-stage cutting, the diversified market requirements are met, and the production efficiency is improved.

The utility model provides a casing assembly structure and microwave oven, including rear cover and casing, the rear cover is installed on the casing, wherein the front side of rear cover is equipped with the front buckle, the casing is equipped with the front slot, the front side of rear cover is connected with the front slot of casing through the front buckle, its characterized in that: the front buckle is equipped with the front slot. A side buckle is arranged on the side face of the rear cover, a side clamping groove is formed in the corresponding position of the outer shell, and the side face of the rear cover is fixed through the side buckle and the side clamping groove of the outer shell. Through a buckle and clamping groove combined structure on the side face, the side face of the rear cover is fixed, the installation position of the rear cover can be accurately positioned when the rear cover and the shell are assembled, the structure is reliable, and the problem of deformation possibly caused by parallel installation can be synchronously solved.

The utility model relates to the technical field of equipment for glass tube production, and discloses a transfer device for glass tube production, which comprises a bottom plate, a first cylinder machine is fixedly connected inside a cylinder box, a driven fluted disc is fixedly connected outside a rotating rod, a driving rack is arranged inside a column tube, and a second cylinder machine is fixedly connected outside the column tube. And the upper surface of the transverse plate is fixedly connected with a second air cylinder machine, and the interior of the hopper box is fixedly connected with a hydraulic machine. The utility model has the following advantages and effects: the driving rack is meshed with the driven fluted disc, so that the driven fluted disc rotates, and the transverse plate rotates by 90 degrees, so that one end of the transverse plate is butted with the processing platform, and meanwhile, the second cylinder machine and the hydraulic machine are quickly started; and the output end of the hydraulic machine pushes the push plate to move so as to push the storage plate placed in the hopper box to the upper surface of the machining platform, and through the operation, manpower is saved, and the effect that the glass tube transfer effect is good is achieved.

The utility model relates to chuck technical field, and disclose a kind of high-efficiency transmission type cable-stayed chuck structure, including chuck body, the one end of chuck body is detachably connected with the main jaw for clamping, the inside detachably connected with soft jaw of main jaw, the bottom of soft jaw is provided with the anti-skid block for anti-skid.The high-efficiency transmission type cable-stayed chuck structure, through the setting of chuck body, main jaw, soft jaw, anti-skid block, power chuck plate, workpiece fixing device, through the setting of chuck body, play the role of bearing all transmission components, main jaw plays the role of fixed soft jaw, soft jaw plays the role of further clamping workpiece, soft jaw is connected on main jaw by screw connection, when wear and tear appears in soft jaw, it can be replaced in time, also through the setting of anti-skid block, play the role of anti-skid, prevent workpiece from being thrown out when rotating in chuck due to excessive speed and excessive centrifugal force, through the setting of workpiece fixing device, play the role of fixed workpiece.

The application discloses a rib auxiliary distraction device, which comprises an adjusting screw rod, an end plate, a handle rod, a handle, a guide rod, an adjusting block, a screw rod sliding block, a fastening screw rod, a fastening nut, a distraction handle, a pressing plate, a connecting screw, a bearing, a shaft coupling and a micro motor. The rib auxiliary distraction device can adjust the position of the distraction handle at will, and can select the distraction handle with different angles according to the actual situation of the rib, so that the distraction handle is more suitable for the rib at the distraction position. After the rib is clamped into the bone clamping groove, the pressing plate is used for pressing, so that the rib is prevented from sliding out of the groove due to deformation during the distraction process, and the rib is also fixed, thereby reducing the safety hidden danger. Meanwhile, the motor driving can make the whole distraction process more stable and controllable, and the medical staff can pay attention to the rib distraction situation at any time, and the rib auxiliary distraction device is simple and convenient to use.

The utility model relates to the technical field of piston pin machining, and particularly discloses a piston pin machining oiling device which comprises a workbench, a connecting plate is arranged on the left side of the top of the workbench, a bearing plate is arranged on the top of the right side of the connecting plate, an oiling assembly is arranged on the top of the bearing plate, and a rotating assembly is arranged on the right side of the top of the workbench. The rotating assembly comprises a rotating disc, the rotating disc is located on the right side of the top of the workbench, and a motor is arranged below the rotating disc. Firstly, the bottom of the piston pin is inserted into the clamping plate, the piston pin can be conveniently inserted into the clamping plate through the inclined plate on the clamping plate, after the piston pin is inserted into the clamping plate, the clamping plate can move outwards, the spring can be driven to move outwards through the clamping plate, and at the moment, the piston pin can be fixed into the limiting ring through cooperation of inertia of the spring and the clamping plate; six piston pins can be fixed in the six limiting rings in sequence, and then the oil injection assembly injects oil to the piston pin under the oil injection assembly.

The utility model relates to an auxiliary tool for maintenance of a sealing skin of a sintering pallet, which is applied to the technical field of maintenance of sintering machines, solves the problems that the existing cutting surface is uneven, air leakage is easy to exist at the bonding position, and meanwhile, the problem that the sintering pallet is scratched and secondarily damaged, and comprises a workbench, at least two clamping plates and a fixing piece, the clamping plate located at the lowest end is installed on the workbench, one side face, in the length direction, of each clamping plate is arranged in an inclined face mode, and the inclined faces of every two adjacent clamping plates are located on the same plane. The fixing pieces are distributed in the circumferential direction of the clamping plates, each fixing piece comprises a lead screw and a fastening nut connected to the lead screw in a threaded mode, the bottom end of each lead screw is vertically fixed to the upper end face of the clamping plate located on the lowest layer, and the top end of each lead screw upwards slides and extends to the position above the clamping plate located on the highest layer; the inclined plane cutting device has the advantages that the inclined plane can be directly cut out, the inclined plane is smooth, follow-up glued sealing leather is facilitated, operation is convenient and fast, and the maintenance efficiency is improved.

The application discloses a road and bridge crack repairing and fixing structure, and particularly relates to the technical field of crack repairing and fixing, which comprises a first fixing support plate, a concave support plate is welded at the top end of the first fixing support plate, two support blocks are fixed at one side of the concave support plate, and a linkage fixing mechanism is fixed at one side of the support block; the linkage fixing mechanism comprises a guide shaft fixed at one side of the support block. The linkage fixing mechanism is used for setting the fixed locking belt fixing pressure value on the controller, with the winding of the fixed locking belt, the fixed locking belt moves along the outer wall of the pressure sensor, when the extrusion pressure value of the straight fixed locking belt is the same as the value set on the controller, the driving of the servo deceleration motor can be stopped, each fixed locking belt can be automatically wound and fixed to the specified value, the automation plays a fixing role in the road and bridge crack repairing, and the fixing efficiency is higher.

The application discloses a plug-in high-voltage thin film capacitor, which comprises an aluminum shell, a capacitor core is arranged in the aluminum shell, a conductive plug is electrically connected with the capacitor core, one end of the conductive plug is fixed to the end of the aluminum shell, and the conductive plug can be connected with an external circuit; and an insulating top cover which comprises a fixed part and a supporting part connected with each other, the fixed part is sleeved on the end of the aluminum shell, and the other end of the conductive plug is located in the inside of the supporting part after penetrating through the fixed part. Since the conductive plug can be connected with the external circuit, the capacitor is arranged in a plug-in structure through the arrangement of the conductive plug, the capacitor can be installed by hand plugging, the capacitor is convenient and fast to install and replace, and the installation and maintenance efficiency of the capacitor is improved. Since the insulating top cover is arranged, support is provided through the supporting part during plugging and using, the conductive plug is prevented from being damaged during plugging and using, and the conductive plug is prevented from being damaged during plugging and using.

The utility model provides a kind of cover plate structure and battery, belong to battery technical field, cover plate structure includes first cover plate, first pole post, first lower plastic and insulating part being arranged on first cover plate, and connecting portion being arranged between first lower plastic and insulating part. Among them, first pole post is used to and the first lug of pole group is connected, insulating part can be connected with first lower plastic by connecting portion, and abuts on the side of first lug opposite to first pole post. The cover plate structure of the utility model can fix the first lug after welding, limit the shake and displacement of first lug in the process of battery use, transportation etc.

The utility model discloses a prestressed ribbed beam plate combined structure which comprises a flat plate, a plurality of first steel pipes fixedly penetrate through the top face of the flat plate, second steel pipes matched with the first steel pipes perpendicularly penetrate through the bottom face of the flat plate, the first steel pipes are communicated with the second steel pipes, and first step faces are concentrically arranged at the top ends of the first steel pipes. A second step face matched with the first step face is concentrically arranged at the tail end of the second steel pipe, a first arc-shaped buckle plate and a second arc-shaped buckle plate are jointly arranged between the first step face and the second step face, and the first arc-shaped buckle plate and the second arc-shaped buckle plate are fixedly connected through bolts. The first steel pipes are arranged on the flat plates, the second steel pipes are arranged on the bottom surfaces of the flat plates, and the first steel pipes are fixed through the two arc-shaped buckle plates and the bolts, so that the two overlapped flat plates are fixed, and the two flat plates are prevented from deviating when concrete is poured into the steel pipes; and the strength of the whole structure of the building is improved.

The utility model discloses a cylindrical bearing assembly tool which comprises a base and an upper cover, an inner fixing assembly is fixedly assembled on the top of the base, and outer fixing assemblies are fixedly assembled on the side wall of the base in a bilateral symmetry mode. When the roller is installed, the roller slides into the outer ring raceway through the equally-divided grooves of the base, so that the roller is ensured to horizontally enter the outer ring raceway, the problems of gouges and scratches when the lower flange of the outer ring and the roller are assembled are effectively avoided, the roller is placed into the outer ring raceway through the equally-divided grooves, the gap between the two rollers is uniform, and the service life of the roller is prolonged. Compared with the prior art, a good foundation is laid for inserting the retainer base subsequently, the whole assembling operation can be completed only through one operator, and compared with a traditional assembling technology, the labor cost is saved, meanwhile, damage to the bearing in the assembling process is reduced, and the finished product quality of the bearing is improved.

This utility model provides a feeding compensation device for a fully automatic film coating machine, including a supporting base plate placed on an external lifting platform for supporting materials, a plurality of placement slots equally spaced on the supporting base plate, a plurality of support rods with one end set on the supporting base plate within each placement slot and the other end located outside the placement slot, and a counterweight block set on the other end of each support rod. The length of the support rod is greater than the length of the placement slot, and the support rod is fitted with the placement slot with a clearance. By subsequently increasing the lifting stroke of the lifting platform, the lifting frequency of the lifting platform is reduced, thereby reducing the energy consumption of the lifting platform due to frequent start-stop.

This utility model discloses a welding, testing, and positioning device for a leakage current sensor, including a fixture base plate with several sensor grooves arranged in an equidistant array. During use, the leakage current sensor is placed inside the sensor grooves, allowing a U-shaped input pin to contact a gold-plated probe. The gold-plated probe is elastic, and its elastic deformation ensures continuous and stable surface contact with the U-shaped input pin. A gold-plated copper sheet and the gold-plated probe are connected by a wire, forming a U-shaped closed-loop circuit. During testing, current flows from an external power source through the gold-plated copper sheet, the wire, and the gold-plated probe, ultimately reaching the leakage current sensor and providing the necessary test current. This achieves the desired fixation and testing of the leakage current sensor.

The utility model discloses an integrated water purification equipment shell, which comprises a water purification equipment body and a base, the bottom wall of the base is fixedly provided with a plurality of fixing plates through a plurality of supporting legs, the upper end face of each fixing plate is provided with a plurality of fixing holes, and the upper end face of the base is rotatably provided with a double-thread screw through a moving groove. A motor connected with the double-thread screw is fixedly installed on the outer wall of the base, and a limiting rod is fixedly installed on the inner wall of the moving groove. According to the utility model, the components such as the double-thread screw, the limiting rod and the shells are arranged, the double-thread screw can drive the two moving sleeves to move mutually by matching with the limiting rod, and the two moving sleeves can drive the shells to move by matching with the connecting rod on the same side when moving, so that the two shells can be combined; therefore, the water purification equipment body is protected, the water purification equipment body is prevented from being damaged due to accidental collision and the like caused by long-term exposure, and the service life of the device is prolonged.

The utility model relates to a communication equipment fault detection device, which comprises a detector main body and a U-shaped protective cover, the surface of the detector main body is provided with a display and a controller, the U-shaped protective cover is installed on the outer surface of the detector main body in a damping sliding manner, and the surface of the U-shaped protective cover is provided with a visual window A; a turning cover is rotationally installed on the side, close to the controller, of the upper surface of the U-shaped protective cover, a visual window B is formed in the surface of the turning cover, and when the turning cover is turned to the upper surface of the U-shaped protective cover, the visual window B corresponds to the visual window A. Through the arrangement of the flip cover, when the flip cover is turned over to the surface of the U-shaped protective cover, the display can be observed through the visual window B and the visual window A, normal use is not affected, when the flip cover is turned over to the position above the controller, the flip cover and the U-shaped protective cover protect the controller and the display respectively, and therefore the situation that the controller is touched by mistake can be avoided; and unnecessary damage or functional abnormality to the detector main body is avoided.

The invention discloses a preparation method of a water-permeable material for a water-permeable tree surrounding brick, belongs to the technical field of preparation of water-permeable brick materials, and aims to solve the technical problem that the mechanical property and durability of the water-permeable tree surrounding brick prepared from the water-permeable material in the prior art need to be further improved. The zwitterionic grafted porous silicon-aluminum dispersion, the magnesium-silicon gel composite magnesium carbonate dispersion and the ettringite composite hydroxyapatite whisker are introduced in the preparation process, and a continuous cementation structure, an interface transition structure and a space constraint support structure are cooperatively constructed on different structural scales; a stable and matched composite system is formed among the cementing phase, the aggregate and the pore structure, and the coordination and stability of the whole structure of the water-permeable tree surrounding brick are effectively maintained through the synergistic configuration of the multiple components in the system, so that the structure integrity and the use reliability are considered while the material meets the water-permeable requirement; the method is suitable for the field of garden and municipal permeable pavement.

The utility model discloses an enema device with scales, which comprises a needle cylinder, and a push rod is connected in the needle cylinder in a sliding manner; the device is characterized in that the bottom of the needle cylinder is inserted into the hose to form connection, first scales are arranged on the outer surface of the needle cylinder, and second scales are arranged on the outer surface of the right side of the hose; a buckle is connected to the hose in a sliding manner, and the buckle is made of a plastic material; the right end of the hose is slidably connected with a fixing sticker, and a pasting adhesive is arranged in the fixing sticker; first sealing paper is attached to the outer wall of the posting adhesive, the first sealing paper is located in the fixing sticker, and the top of the first sealing paper extends out of the interior of the fixing sticker. The enema device with the scales is provided with the second scales, through the use of the second scales, an operator can know the accurate depth of the hose by observing the second scales after inserting the hose into the body of a patient, and therefore the accuracy of enema is improved.

The utility model discloses a novel vibrating disk feeding device, and relates to the field of vibrating disk feeding devices. The novel vibrating disk feeding device comprises a mounting plate, a feeding assembly, a supporting piece, a driving piece and a vibrating disk machine body, the supporting piece is arranged on the left side of the upper end of the mounting plate, the feeding assembly is arranged at the upper end of the left side of the supporting piece, the driving piece is arranged on the left side of the mounting plate, and the vibrating disk machine body is arranged on the right side of the upper end of the mounting plate. According to the novel vibration disc feeding device, the vertical plate can move through the arrangement of the driving piece, the vertical plate drives the feeding assembly to move left and right, the feeding assembly can conveniently conduct automatic feeding treatment on the vibration disc machine body, the feeding box is fixed through the vertical plate, the supporting legs and the anti-skid pads are arranged, and therefore the vibration disc machine body can be conveniently and rapidly fed. And friction between the mounting plate and the ground is increased, the phenomenon that the mounting plate slips is avoided, and the stability of the mounting plate is improved.

The utility model discloses a transportation base of a steam turbine, which particularly relates to the field of steam turbines and comprises a bottom plate, a steam turbine body is arranged at the top of the bottom plate, supporting blocks are symmetrically arranged at two ends of the bottom plate respectively, a top block is arranged on the top surface of the steam turbine body, and cushion blocks are arranged between the top block and the supporting blocks. The top block, the supporting block and the cushion block are fixed through fastening bolts; the two ends of the steam turbine body are sleeved with fastening ropes correspondingly, mounting blocks are mounted on the back faces of the supporting blocks correspondingly, the two ends of each fastening rope penetrate through the mounting blocks correspondingly, electric push rods are mounted on the mounting blocks, abutting blocks are fixed to the telescopic ends of the electric push rods, and the abutting blocks abut against the fastening ropes. According to the steam turbine fixing device, the steam turbine body can be fixed through cooperation of the ejecting block and the supporting block, the fastening ropes are fixed to the two ends of the steam turbine body respectively, penetrate through the mounting block and are limited and fixed through the electric push rod and the abutting block, and the stability of the steam turbine body is further enhanced.

The utility model relates to the technical field of steel structure connection, in particular to a steel structure node component convenient to connect, which comprises a supporting piece, a connecting piece and a cross beam body, the cross beam body is fixed on the side face of the supporting piece through the connecting piece, and the connecting piece comprises a mounting plate, an upper supporting plate, a lower supporting plate, a reinforcing plate and two welding plates which are integrally formed. The mounting plate is fixed on the supporting piece through a bolt, the upper supporting plate and the lower supporting plate are parallel to each other and are respectively positioned at the upper edge and the lower edge of the mounting plate, the reinforcing plate is vertically arranged between the upper supporting plate and the lower supporting plate, positioning pieces are arranged on the cross beam body and the reinforcing plate, and each positioning piece comprises a fixing rod, a pressing piece, a compression spring and a nut. The steel structure node component has the characteristic of high strength and also has certain deformation resistance.

The utility model relates to the technical field of wiring terminals, and discloses a U-shaped through-type wiring terminal structure for a distribution box, which comprises a U-shaped connecting block, the top of the U-shaped connecting block is provided with a threaded opening, the inside of the threaded opening is in threaded connection with a threaded column, the U-shaped connecting block is provided with a fixing assembly, and the fixing assembly is connected with the threaded column. The fixing assembly comprises a rectangular frame. According to the U-shaped through-type wiring terminal structure for the distribution box, in order to prevent a wire from falling off during connection, the fixing assembly is arranged, when the connected wire needs to be fixed, a grip is pulled to drive a pull rod, a pressing plate, the grip, a limiting rod, a spring, a limiting block and a limiting groove are matched, and through limiting of the pull rod, the pressing plate plays a role in fixing the wire; and through cooperation with a threaded cylinder and a threaded column on the U-shaped connecting block, secondary fixation is carried out on the wire, so that wire connection is firmer, and the wire is effectively prevented from falling off during connection.

The utility model discloses a material fixing mechanism for an electric welding machine. The material fixing mechanism comprises a resistance welding machine body, an upper electrode and a lower electrode. The supporting plate, the positioning plate, the containing shell, the positioning device, the movable frame, a rectangular through hole, an adjusting device, a driving assembly, a through hole and a limiting hole are used in cooperation, and the problem that when an existing resistance welding machine is used for welding two plates, an operator usually needs to take up the two plates with hands and place the plates between two electrodes of the welding machine, and the welding efficiency is high is solved. The method comprises the following steps of: stacking parts needing to be welded together, pressing an upper electrode downwards and electrifying, enabling current to generate resistance heat through a contact part of plates, melting the resistance heat to form nuggets, keeping for a certain time, cutting off power, cooling and solidifying under the action of pressure, and finishing welding connection. The accurate alignment of the two plates is difficult to ensure when the plates are manually stacked. The problems that in the manual operation process of an operator, the hand needs to be close to an electrode and a high-temperature area, and certain safety risks exist are solved.

The utility model discloses a vehicle -mounted refrigerator with bottle body support, include: refrigerator main part has the shell and the inner container and the upper cover, refrigeration component is used for refrigerating and heating for refrigerator, bottle body support subassembly, including support main part, support main part has the bearing plate and the positioning board, bearing plate with support main part is connected, the positioning board can overturn installation, has the positioning hole for limiting bottle body. The utility model discloses beneficial effect lies in, realizes vehicle -mounted refrigerator refrigeration and heating, and has bottle body support subassembly simultaneously, guarantees that bottled article will not be damaged in the vehicle driving process, satisfies a variety of use needs.

The utility model relates to automatic dosing precision control technical field, specifically disclose automatic dosing precision control device, including the medicine storage box, the left side of medicine storage box top is equipped with the water inlet, the right side of medicine storage box inner chamber is equipped with the medicine liquid delivery control assembly, the medicine liquid delivery control assembly includes the sliding sleeve, and the sliding sleeve fixed sleeve is located at the right side of medicine storage box top, the inner chamber of sliding sleeve movably is equipped with the slide rod, the bottom of slide rod is equipped with the float, and the float is located in the inner chamber of medicine storage box. The utility model first adds the medicine liquid in the medicine storage box through the water inlet, when needing to add the medicine liquid in the circulating water, first twist the fixed bolt, when the fixed bolt removes from the clamping hole on the slide rod, can move the recessed plate, move through the recessed plate cooperation recessed plate of the slide groove in the slide rod, move through the recessed plate and drive the pointer, when the pointer moves to the slide rod scale line position of the user requirement, recessed plate stops moving.

This application discloses a method for preparing a double-needle stitched reinforced wall panel structure, relating to the field of fiber composite material reinforcement technology. The method includes the following steps: designing and machining a digital model of a double-needle stitching mold based on the reinforced wall panel structure; creating oblique grooves along the stitching direction in the double-needle stitching mold, the depth and width of which are adapted to the movement trajectory of the double needles; cutting carbon fiber cloth as reinforcing layer and skin layer according to the reinforced wall panel structure; stacking the reinforcing layer and skin layer on the double-needle stitching mold in a predetermined order and fixing them; using a double-needle stitching device, simultaneously stitching the flanges of the reinforcing layer and skin layer along the stitching path to form a double-stitch preform; impregnating the double-stitch preform with resin using a vacuum-assisted liquid molding process, and curing it to obtain the reinforced wall panel structure. This application is the first to apply double-needle synchronous stitching technology to mainstream reinforced structures without foam cores, solving the problem of insufficient interlayer strength in traditional adhesive / co-curing processes, and can cover most reinforced wall panel structural forms in the aerospace field.