42results about How to "Affect the use effect" patented technology

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile shock absorber main bracket which comprises a lower mounting seat, a shock absorber main body arranged above the lower mounting seat, a main shock absorbing spring arranged outside the shock absorber main body, a protection assembly arranged above the lower mounting seat, an upper mounting seat arranged above the protection assembly, and a lower mounting seat arranged above the upper mounting seat. A mounting ring is arranged above the upper mounting seat, a limiting mechanism is arranged on one side of the main damping spring, a mounting groove is formed in the limiting mechanism, a damping mechanism is arranged in the mounting groove, a through hole is formed in the surface of the protection assembly, and a threaded hole is formed in the surface of the limiting mechanism. According to the shock absorber main bracket, good external protection and limiting functions can be provided for the shock absorber main body in the shock absorber main bracket under the matching of the protection assembly and the limiting mechanism, so that the shock absorber is prevented from being damaged by foreign matters, a shock absorption spring of the shock absorber is prevented from deviating, and the overall shock absorption effect of the shock absorber is further improved by matching with the shock absorption mechanism.

The invention discloses an electrochemical system and method for treating nitrogen-containing organic wastewater based on a double-sided cathode. The electrochemical system comprises a reactor, an aeration device, a power supply, an anode and the double-sided cathode, and the double-sided cathode is prepared by loading a functional catalyst through a double-sided rolling coating process. Under the condition of not adding exogenous iron ions and H2O2, the side, with the electro-catalytic degradation function, in the double-sided cathode generates. OH in situ through the oxygen reduction reaction of two electrons and the electro-Fenton process, so that efficient degradation of organic pollutants is realized; meanwhile, NO3 <-> can be converted into N2 to be discharged under the synergistic effect of the sides, with the denitrification function, of the DSA and the double-sided cathode, organic pollutants and total nitrogen are synchronously removed, the denitrification function and the electrocatalytic degradation function are integrated in the single cathode, the device is more compact and efficient, the current efficiency and the mass transfer efficiency are improved, and the device is suitable for large-scale popularization and application. The complexity and the occupied area of the system are reduced, and the energy consumption and the operation cost are reduced.

The utility model discloses a superfine powder coating grinding device, and particularly relates to the field of coating grinding, the superfine powder coating grinding device comprises a grinding box, the bottom of the grinding box is fixedly connected with a protection box, one side of the top of the grinding box is fixedly connected with a grinding box, and the middle of the grinding box is provided with a grinding roller; a discharging through hole is formed in the top of an inner cavity of the powder grinding box, a grinding bottom plate is fixedly connected to the bottom of the inner cavity of the powder grinding box, and a grinding disc is arranged in the middle of the powder grinding box. The grinding box is arranged to primarily grind raw materials, the first motor is started to control the grinding disc to rotate to be combined with the grinding bottom plate to conduct secondary grinding, grinding of superfine powder is achieved, meanwhile, the second motor is started through the vibration frame mechanism to control the second limiting frame to vibrate, and the filtering drawer can be driven to vibrate; therefore, powder particles which do not meet requirements in finished products falling in the middle of the filtering drawer are screened from the finished products, and the quality of the finished products is improved.

The present invention discloses a deployment mechanism of a spacecraft solar wing, belonging to the field of spacecraft solar wings. A deployment mechanism of a spacecraft solar wing comprises a mounting frame, a winding box, a side plate and a flexible solar wing, wherein the mounting frame is fixedly connected to the back of the winding box, the side plate is engaged with the opening of the winding box, and the flexible solar wing is arranged in the winding box, and further comprises: a deployment component arranged on the winding box, used to push the flexible solar wing to deploy; a cleaning mechanism located in the winding box; the present invention deploys the flexible solar wing by using a driving force to push the flexible solar wing to flip over, and this design can avoid the phenomenon that the deployment component will have a greater impact through vibration force in the traditional method, which will have a greater negative impact on the related components and spacecraft.

The utility model discloses a sewage treatment device with protection structure relates to sewage treatment device structure technical field, aims at solving the sewage treatment device of current not having good protection effect, like this makes sewage treatment device in use or mobile process easy to cause damage because of collision, its technical scheme main points include support base, the top of support base is installed with sewage treatment device, the periphery of support base upper end is provided with vertical protection frame, one end of vertical protection frame is installed with horizontal protection frame, the inside of sewage treatment device is provided with processing room, the inside of processing room is provided with baffle no.

The present invention discloses a conveying device for producing plastic handicrafts, and relates to the technical field of conveying equipment for plastic handicrafts, comprising a vehicle body and a conveying box, wherein a rotating shaft is rotatably passed through the bottom of the vehicle body, and wheels are fixedly installed on the surface of the rotating shaft, and also comprises a shock absorbing device, wherein the conveying box is placed inside a base, the hollow sleeve is fixedly installed on the bottom of the base, the mounting block is fixedly installed on the surface of the hollow sleeve, the flip plate is rotatably installed on the surface of the mounting block, the connecting plate is rotatably passed through the bottom of the hollow sleeve, the Z-shaped piece is fixedly installed on the top of the chassis, and the abutment plate is fixedly installed on one end of the Z-shaped piece close to the connecting plate. By arranging the elastic Z-shaped piece, the downward moving distance of the telescopic end of the buffer damper is effectively controlled, thereby improving the buffering effect of the buffer damper.

The invention discloses framework welding equipment for aluminum alloy doors and windows, and relates to the technical field of welding equipment.The framework welding equipment comprises a welding table and further comprises a welding auxiliary mechanism, the welding auxiliary mechanism is arranged on the upper surface of the welding table, and the welding auxiliary mechanism comprises two vertical plates fixedly connected to the two sides of the welding table correspondingly; a guide rod is fixedly connected between the two vertical plates, a moving plate is slidably connected to the surface of the guide rod, a ball is arranged in the moving plate, a welding head is inserted into the ball, a supporting block is fixedly connected to the upper surface of the moving plate, and a connecting frame is inserted into the supporting block. And a pressing ring is fixedly connected to the bottom end of the connecting frame, an external threaded pipe is fixedly connected to the surface of the welding head, and the external threaded pipe is inserted into the interior of the ball, so that the problems that when welding is conducted after the angle and height of the welding head are adjusted, deviation is likely to occur, and consequently welding seams are inclined and uneven in width are solved.

The utility model relates to conductive adhesive tape technical field discloses a conductive adhesive tape with antiskid structure, including conductive cloth, the top fixedly connected with first lug of conductive cloth, the top of conductive cloth is provided with adhesive layer, the bottom of conductive cloth is provided with waterproof and breathable membrane. This conductive adhesive tape with antiskid structure is provided with conductive cloth, first lug, second lug and antiskid agent, and first lug and second lug can make the upper and lower ends of conductive cloth uneven, thereby can increase the friction of the upper and lower ends of conductive cloth, the friction of conductive cloth can improve the antiskid performance of conductive cloth, makes conductive cloth antiskid and can prevent conductive cloth from accidentally sliding when using and influences use effect, and antiskid agent can further improve the antiskid performance of conductive cloth surface, solve the problem that the surface of adhesive tape is too smooth, easily slides in the operation process, leads to the problem of inaccurate installation or poor contact.

The utility model belongs to the technical field of medical auxiliary devices, and particularly relates to an auxiliary moving trolley for a knee joint exerciser, which comprises a support, an upper supporting plate is arranged on the support, a sliding plate is arranged on the upper supporting plate, and the sliding plate is connected with the upper supporting plate through a sliding rail. The sliding plate is provided with two clamping and fixing devices used for clamping and fixing the knee joint exerciser, the clamping and fixing devices are movably arranged on the sliding plate, and the two clamping and fixing devices are oppositely arranged at intervals; a turnover handrail is arranged on the side face of the upper supporting plate. The knee joint exerciser can be conveyed to a sickbed through operation of one person, and the transferring efficiency of the knee joint exerciser is improved. Meanwhile, after the knee joint exerciser is used, the knee joint exerciser can be placed on the moving trolley, and pollution caused by direct placement on the ground is avoided. The knee joint exerciser can be clamped and fixed, and the knee joint exerciser is prevented from being damaged due to the fact that the knee joint exerciser moves in the moving process of the moving trolley or the sliding plate.

The utility model relates to the field of foundation pit supporting, in particular to a foundation pit supporting device not prone to deformation. The technical problems that in the use process of foundation pit supporting, a plurality of reinforced concrete bodies are adopted as supporting bodies to support the inner wall of the single side of a foundation pit, the bending moment of the supporting structure is small, and meanwhile the soil pressure resisting capacity is poor are solved. According to the technical scheme, the foundation pit supporting device not prone to deformation comprises a bottom plate; the foundation pit supporting device further comprises reinforcing assemblies and auxiliary assemblies, the reinforcing assemblies are arranged at the four corners of the top end of the bottom plate and used for reinforcing the foundation pit supporting device, and the auxiliary assemblies used for assisting in reinforcing are arranged at the bottom end of the bottom plate. The supporting device is installed, rotated and fixed under the force cooperation of the steel supports, the annular steel frames and the steel pull rods, the use stability of the supporting device is guaranteed, and when the supporting device is used, the reinforcing rods are arranged, so that the situation that the supporting rods and the girders deform in the long-term use process, and the use effect of the supporting device is affected is avoided.

The application discloses a water outlet module and a faucet. The water outlet module is used for being installed at a water outlet end of a faucet body, and comprises a water outlet shell provided with a first water outlet capable of upward water outlet and a second water outlet capable of downward water outlet; a rotating core provided with a water flow channel; the rotating core is rotatably installed in the water outlet shell around an axis of the rotating core, and a rotating operation part is arranged; the rotating core switches multiple states through rotation, and the multiple states at least include a first state and a second state; in the first state, the water flow channel is communicated with the first water outlet; and in the second state, the water flow channel is communicated with the second water outlet. The application makes the internal structure of the faucet body simpler and easier to be processed and formed.

The invention relates to the technical field of detection equipment management, in particular to a nerve treatment detector and a detection method thereof.The detection method comprises the steps that S100, sleep and respiration data of a user are detected through the nerve treatment detector, S101, used historical data and historical power consumption data of the nerve treatment detector are collected, and S104, the used historical data and the historical power consumption data of the nerve treatment detector are stored; the method comprises the following steps of S102, analyzing a current change state coefficient which is adjusted in the past of the nerve treatment detector, S103, preprocessing the current change state coefficient and used historical data and historical power consumption data of the nerve treatment detector to generate training data, and S104, fitting the training data to establish a power consumption analysis model of the nerve treatment detector. And S105, acquiring data of the current to-be-used nerve treatment detector, predicting whether the current to-be-used nerve treatment detector has an abnormal power consumption condition in a use process, selecting whether to carry out pre-use prompt of the equipment according to a prediction result, and carrying out planned pre-use prompt of the equipment to guarantee and maintain a normal working state of the nerve treatment detector.

The utility model discloses quantitative water purifying agent adding device, including device shell, the top fixedly connected with servo motor of device shell, the bottom fixedly connected with stirring subassembly of servo motor, and stirring subassembly is used for stirring the substance in the inside of device shell, stirring subassembly includes transmission shaft B, and transmission shaft B is located the output of servo motor bottom, and servo motor is the drive mechanism of transmission shaft B, and the outside rotatoryly connected with transmission shaft A of transmission shaft B, and one side of transmission shaft B and transmission shaft A intersection department is provided with transmission rod, when servo motor drives transmission shaft B to rotate, the utility model discloses through transmission shaft B and transmission shaft A cooperation stirring fan blade B and stirring fan blade A and stirring rod are fully stirred to water purifying agent, prevent water purifying agent deposition, influence water purifying agent's use effect, and stirring fan blade A outside and the inner wall of device shell are pasted, thereby when transmission shaft B rotates, transmission shaft B cooperation stirring fan blade A is cleaned to the inner wall of device shell.

The invention belongs to the technical field of medical equipment, and particularly relates to a dressing change device for anus nursing, which comprises a basin body, an automatic positioning assembly and an automatic cleaning assembly, and the automatic positioning assembly and the automatic cleaning assembly are both arranged on the inner side of the basin body. The automatic positioning assembly comprises an automatic telescopic rod, a lifting adjusting seat and a hip fixing assembly, one end of the automatic telescopic rod is fixedly connected with the bottom of the inner wall of the tub body, and the other end of the automatic telescopic rod is fixedly connected with the bottom of the lifting adjusting seat. When a patient conducts dressing change work, the hip of the patient is fixed under the action of the automatic positioning assembly, the wound of the patient is exposed, then the wound is cleaned under the action of the automatic cleaning assembly, excessive operation of medical staff is not needed during dressing change work, and the dressing change efficiency is improved. Therefore, the wound of the patient does not need to be directly exposed in the visual field of medical staff, the emotion of the patient is better cared, and rehabilitation of the patient is facilitated.

The application discloses a UV dispensing curing machine and a curing method, and belongs to the technical field of dispensing machines. The machine comprises a dispensing box, a lifting assembly is arranged in the dispensing box, a dispensing structure for dispensing is arranged on the outside of the lifting assembly, the dispensing structure has a primary curing function, and two curing chambers for increasing the curing degree are arranged on the side wall of the dispensing box. According to the application, the depth of the glue column into the glue pipe can be controlled by controlling the expansion range of the power film, and the glue output of the glue pipe can be controlled, so that the component can be coated more accurately. When the glue column moves upward in the glue pipe, the inside of the glue pipe is in a negative pressure state, the glue in the glue pipe is sucked at this time, so that the glue liquid cannot flow out of the glue outlet of the glue pipe, and the parts on the upper end of the component are prevented from being polluted by the excess glue liquid. Meanwhile, the glue liquid can be cured more thoroughly through twice curing at different times.

The invention discloses a wearable lower limb exoskeleton robot with an adjustable hip joint, and belongs to the technical field of exoskeleton robots. The wearable lower limb exoskeleton robot comprises a hip joint adjusting device and two lower limb exoskeleton mechanisms; the hip joint adjusting device comprises a hip cross beam, a first synchronous adjusting device, two second synchronous adjusting devices and two gravity center floating devices. The first synchronous adjusting device is mounted on the hip cross beam; the two second synchronous adjusting devices are respectively arranged on the first synchronous adjusting device; the two gravity center floating devices are installed on the two second synchronous adjusting devices in a one-to-one correspondence mode. The two lower limb exoskeleton mechanisms are installed on the two gravity center floating devices in a one-to-one correspondence mode. Left-right and front-back stepless adjustment on the sagittal plane is achieved, up-down floating can be achieved according to gravity center changes of a human body during rehabilitation training or auxiliary walking, the wearing requirements of the hips of different patients can be met, the motion posture of the device is close to the walking gait of a normal person, and the use experience degree and the rehabilitation training degree of the patients can be improved.

The application discloses a kind of silicon display panel vacuum suction mechanism, including mobile platform and being equipped with suction table;Suction table is movably provided with multiple groups of suction nozzle, and display panel is placed at the top end of suction nozzle;It further includes driving element, and driving element is located in suction table, driving element is drivingly connected with suction nozzle, and driving element controls suction nozzle to have two states: first state;Suction nozzle is communicated with driving element under the pressure of display panel, and the suction nozzle communicated with driving element is driven by pump body to suction and fix display panel;Second state;Suction nozzle is not communicated with driving element, and the bottom of suction nozzle is in communication state for discharging waste residue;In the application, display panel is suctioned and fixed by driving element cooperating with suction nozzle, under the action of display panel, suction nozzle can be in contact with display panel, and suction and fixation is formed in sealed and communicated state, waste residue flowing into suction nozzle is discharged through the formed bottom communication structure without contacting suction nozzle, to avoid the accumulated waste residue flowing into suction nozzle to cause blockage, affect the use effect of suction nozzle.

The utility model relates to the technical field of skin care products, and discloses a mask provided with a hair clasp and capable of loading grape pomace enzyme liquid. The facial mask comprises a facial mask cloth body, a hair clasp and at least one connecting body, a liquid storage component capable of storing essence is arranged in the hair clasp, one end of the connecting body is connected with the facial mask cloth body, and the other end of the connecting body is connected with the liquid storage component. The facial mask can store facial mask liquid in a sealed mode, avoids flowing and waste, can prolong the preservation time of the facial mask under the condition that no preservative is added, is convenient and fast to use, and meanwhile can solve the problems that hair is prone to scattering and use of the facial mask is affected when the facial mask is applied.

The utility model discloses a waterproof finish mortar feeding device, include: base, the top wall of base is fixed with the storage cylinder of installation, the top wall of storage cylinder is fixed with the cylinder cover of installation, the bottom wall of storage cylinder is fixed with the screw conveyer of installation, install the motor for driving screw conveyer in the base, the top end position of screw conveyer is fixed with the discharge pipe of installation, the storage cylinder is fixed with the feed bin of installation, the bottom end of screw conveyer is provided with the material port, the outer wall below the cylinder cover of screw conveyer is fixed with the annular seat of welding, the annular seat is rotatably installed with the rotating plate through the bearing, a plurality of annular equidistance distribution's rotating rod are rotatably installed on the rotating plate, a plurality of stirring rods are fixed with the rotating rod of welding, the utility model discloses can stir the slurry in the storage cylinder, avoid its easy deposition stratification phenomenon, cause the slurry to be poor after conveying mixed homogeneity, influence the use effect of slurry.

The utility model relates to the technical field of food production equipment, in particular to a food production packaging machine which comprises a packaging machine body, a conveying belt supporting frame is installed at the lower end of the packaging machine body, a guide assembly is arranged on the outer wall of the upper side of the conveying belt supporting frame, and a static electricity removing assembly is installed on the outer wall of the left end of the conveying belt supporting frame. According to the packaging machine for food production, the first static electricity removing rod and the second static electricity removing rod are used for conducting static electricity removing operation on the outer skin of a package, the situation that dust is adsorbed by the outer skin of the package, and the using effect of the outer skin of the package is affected is prevented, and the packaging machine is suitable for food production. A heat insulation plate and a sealing clamping plate are used for heating, a packaging bag is subjected to hot melting cutting, cutting convenience and regularity are improved, a hydraulic cylinder stretches out and draws back to drive a guide plate at one end to conduct interval adjustment according to the size of food needing to be packaged, and the guide plate can conveniently conduct guide operation on the food in the conveying process.

The utility model discloses a kind of adjustable mechanism platform suitable for front edge plate installation, including fixed frame, the top inner wall of fixed frame is fixedly connected with fixed shell, the bottom inner wall of fixed shell is fixedly connected with electric push rod, the elongation end of electric push rod is installed with electromagnetic chuck, the both sides outer wall of fixed shell is fixedly connected with L type plate, two The L type plate between is movably connected with two-way threaded rod, the outside of two-way threaded rod is movably connected with connecting frame, the bottom of connecting frame is fixedly connected with limit shell, the inside of limit shell is equipped with clamping assembly, the one end of two-way threaded rod protrudes L type plate and is fixedly connected with knob, the utility model not only can be convenient for to front edge plate is lifted while installing positioning, and device can be applied to multiple different width front edge plate, two-way threaded rod's position can also be further limited and fixed by magnetic block.

The utility model discloses a tobacco planting leaf surface sprinkling irrigation device belongs to tobacco planting technical field, including support frame, the inner side wall of support frame is fixedly connected with the spray pipe, and the both ends below support frame all are provided with lift moving mechanism, the utility model sets up protection subassembly, and moves the component periphery two sides of lift moving mechanism of two protective cover close fitting, and the plug -in strip on one of end plate follows through the perforation and penetrates the other end plate, and the plug -in strip removes the fixed screw rod and drives through the round hole and penetrates L type board, and then the thread cylinder is rotated and is screwed to fixed screw rod, thereby can fix two protective cover and lift moving mechanism and carry out the fixed operation, in the protection operation of protective cover can be carried out to the component of lift moving mechanism in the subsequent use process, avoids the sundries of outside to fall on the component of lift moving mechanism, and then can avoid the component of lift moving mechanism and be damaged.

The utility model relates to the technical field of scanning guns, and discloses a scanning gun with a scanning gun head capable of being automatically cleaned, which comprises a holding handle, a first motor and a cleaning assembly, a support base connected with the holding handle is arranged at the bottom of the holding handle, a detection button for controlling equipment to start and operate is arranged on the holding handle, and the first motor is connected with the cleaning assembly. And a scanning probe for supporting the scanning gun is arranged at the top of the holding handle. An arranged first motor drives a rotating adjusting rod to achieve angle adjustment, an arranged second motor drives a sealing cover on a rotating fixing rod to a proper angle, the sealing cover is pulled by a telescopic adjusting rod to seal an inner cavity of a scanning probe, cleaning liquid for cleaning is prevented from splashing everywhere during cleaning, and the cleaning effect is improved. According to the cleaning device, sanitation during cleaning is guaranteed, cleaning needs to be carried out in a specific place, convenience is brought to cleaning of a user, continuous discharging and cleaning of the cleaning liquid are not needed, it is guaranteed that the cleaning liquid is not wasted, and the cost of early cleaning of the device is reduced.

The utility model relates to the field of automobile central control connecting lines, and discloses an automobile central control connecting line structure which comprises a first connector, a connecting connector arranged on the left side of the first connector, a connecting line body fixedly connected to the right side of the first connector and a second connector arranged on the right side of the first connector, and the right side of the connecting line body is fixedly connected with the left side of the second connector. The outer sides of the multiple connecting line bodies are fixedly connected with high-temperature-resistant protection structures, and the high-temperature-resistant protection structures can prevent the situation that after the connecting line bodies are overheated and burnt out, other adjacent connecting line bodies are damaged, and transmission of automobile central control signals is affected. According to the utility model, the anti-electromagnetic interference wave-absorbing sleeve can carry out anti-magnetic protection on the connecting wire body, the ferrite magnetic isolation sleeve can carry out anti-electromagnetic interference on the second joint, so that the second joint is not easily influenced by the magnetic force of a magnetic field in connection with the automobile central controller, and the ferrite magnetic cloth sleeve can carry out magnetic isolation on the surface of the first joint. The automobile central controller is not easily influenced by an electromagnetic area when being connected with an automobile body through a connecting wire.

The utility model discloses a folding universal warning flagpole, which belongs to the technical field of flagpoles, and comprises an audible and visual alarm, a fixed rod, a connecting rod, an elastic piece, a movable rod and a plurality of warning assemblies, a control switch of the audible and visual alarm and the plurality of warning assemblies are arranged at the top of the movable rod, the elastic piece is arranged at the bottom of the movable rod, and the elastic piece is connected with the connecting rod. The connecting rod is installed on the top of the fixing rod which is used for being detachably connected with an oil filling pipe fixing frame. The safety of the aviation oil filling process can be improved through the multiple warning assemblies; the visual range of the multiple warning assemblies can be expanded through the movable rods, and the visibility is improved; a worker can flexibly adjust the spatial placement positions of the multiple warning assemblies, and the adaptability to the surrounding environment is improved; the movable rod can be automatically reset through the elastic piece, so that the warning effect of the warning assemblies on the movable rod is ensured to be continuous and effective, and the use is convenient.

The utility model discloses a catalytic combustion device for organic waste gas treatment, which relates to the technical field of catalytic combustion and comprises a base, a fan body, a gas inlet, a combustion bin, a sealing opening and closing door, a gas outlet, an electromagnetic valve and a catalyst carrier impurity accumulation prevention component. The impurity accumulation prevention component of the catalyst carrier is convenient for effectively preventing accumulation of impurities accumulated on the surface of the catalyst carrier or in pores of a catalyst layer, and as a certain amount of dust and impurities are contained in waste gas, the dust and impurities are prevented from being accumulated on the surface of the carrier or in the pores along with the increase of time; therefore, the use effect of the catalyst is influenced.

The utility model relates to the technical field of roadblocks, in particular to a roadblock device for road traffic, which comprises a water tank, a roadblock body is mounted at the top of the water tank, reflective stripes are arranged on the outer side wall of the roadblock body, the top of the water tank is communicated with a water pipe, the water pipe penetrates through the top of the roadblock body, and a flushing mechanism is arranged above the outer side wall of the water pipe. And a protection mechanism for protecting the flushing mechanism is arranged at the top of the water pipe. Through the arrangement of the washing mechanism, after dust is accumulated on the surface of the roadblock, water in the water tank is pumped into the water pipe, then enters the annular pipe through the communicating pipe and finally is sprayed out through the high-pressure spray head to wash the roadblock, the warning effect of the roadblock is guaranteed, and the situation that the dust influences the using effect of the roadblock is avoided; when the roadblock does not need to be cleaned, the two protection covers form a space to protect the annular pipe and the high-pressure spray head, and the high-pressure spray head is prevented from being blocked by external air dust.

This invention discloses a rotary system for the cutting mechanism of a roadheader, comprising: two hydraulic cylinders, an electromagnetic directional valve, a logic controller, and an electronic control button. This device, by incorporating hydraulic cylinders with displacement sensors, an electromagnetic directional valve, a logic controller, and an electronic control button, forms a one-button return-to-center control system for the roadheader's cutting mechanism. Using this system in the roadheader's hydraulic system, the cutting mechanism can be returned to center with a single press of the electronic control button when needed, ensuring accurate centering without relying on the operator's visual judgment. When using left or right-side anchor drilling rigs, it ensures the cutting mechanism of the roadheader remains accurately centered, preventing uncontrollable left or right deviations that could affect the roadheader's performance. This system is simple and compact, easy to manufacture and process, and simpler and more efficient to operate, reducing the difficulty of operation for workers and improving work efficiency and safety during construction.

The utility model relates to the technical field of sewage treatment, in particular to an oxygenation device with a sterilization structure, which comprises a water pumping pipe, a water pump is inserted into one end of the water pumping pipe, a filtering mechanism is mounted at the other end of the water pump, an oxygenation mechanism is mounted at one end of the filtering mechanism, and a stirring mechanism is mounted at the top of the oxygenation mechanism. The filtering mechanism comprises a filtering bin, a water inlet penetrates through one side of the top of the filtering bin, and a stainless steel filter screen plate, a polypropylene filter screen plate and an activated carbon filter screen plate are connected to one side of the filtering bin in an inserted mode. According to the improved oxygenation device, an ultraviolet lamp tube is arranged in the oxygenation device to sterilize a water body, bacteria are prevented from breeding in the oxygenation device, the oxygenation effect of the oxygenation device in the sewage treatment process is improved, and meanwhile, a filtering mechanism is arranged in the oxygenation device to filter impurities such as broken stones in the water body; impurities such as broken stones are prevented from entering the oxygenation device to influence the normal operation of the oxygenation device, and the oxygenation operation effect in sewage treatment is improved.