72results about How to "Stable and stable" patented technology

The invention discloses riboflavin photodynamic antibacterial hydrogel for a diabetes wound dressing as well as preparation and application of the riboflavin photodynamic antibacterial hydrogel, and belongs to the technical field of biomedical materials. The hydrogel is prepared from carbomer 941, rhizoma bletillae polysaccharide and carboxymethyl chitosan through physical and chemical bi-crosslinking, glutaraldehyde and carboxymethyl chitosan are added to form dynamic imine bonds, and the stability and adaptability of the hydrogel are enhanced. Meanwhile, the photosensitizer riboflavin is introduced, so that the hydrogel is endowed with photodynamic sterilization characteristics, efficient antibiosis is realized, and rapid healing of diabetic wounds is promoted. The hydrogel has excellent wound environment adaptability and adhesion performance, and is suitable for complicated wound surfaces of diabetes mellitus. The successful research and development of the invention provide reference for the development of novel photodynamic wound dressings, have wide application prospects, provide better treatment choices for diabetics, and are helpful for accelerating wound healing, reducing infection risks and improving the life quality of patients.

The invention discloses a large-flux high-precision ceramic flat sheet membrane for removing iron and fishy smell of drinking tap water and a preparation method thereof, and belongs to the technical field of ceramic flat sheet membranes. The ceramic flat sheet membrane comprises a support body, a high-precision filter layer, an adsorption layer and a filling adsorbent. The preparation method comprises the following steps: 1) preparing a ceramic flat sheet membrane mud green body; (2) preparing a ceramic flat sheet membrane support body; 3) preparing a high-precision filter layer by a dip-coating method; (4) preparing an adsorption layer by a spraying method; and (5) filling a reinforced adsorbent and packaging an end. According to the present invention, the ultra-fine membrane material is used to produce the high separation precision, the effluent quality is ensured, the operation cost of the split type filtration is reduced, the molecular sieve adsorption membrane and the enhanced filling adsorbent are produced, and the iron ions in the urban tap water are effectively adsorbed; the vacuum dip-coating method is matched with the one-time sintering process, so that the working procedures can be saved, the yield is high, the membrane layer thickness and the membrane surface are uniform and consistent, basically no pore defect exists, and the flux and the precision stability of the ceramic flat membrane product are further stabilized.

The invention relates to the technical field of industrial wastewater treatment, and discloses a wastewater treatment method in a carton printing production process, which comprises the following steps of: 1, filtering carton printing wastewater through a coarse grid and a fine grid in sequence to further remove particle suspended matters; 2, the filtered wastewater enters a regulating tank, the pH value of the wastewater is monitored through an on-line pH sensor, NaOH or H2SO4 is accurately added through an automatic control system according to the monitoring result, the pH value is regulated to 6-8, and the retention time of the wastewater in the regulating tank is controlled to be 6-8 h. Through multi-stage grid filtration and micro-electrolysis pretreatment, suspended particles and macromolecular organic matters in the wastewater are effectively removed, the load of a subsequent unit is reduced, meanwhile, the biodegradability of the wastewater is improved, favorable conditions are provided for subsequent biological treatment, the overall treatment efficiency is remarkably improved, and the risks of system blockage and equipment maintenance are reduced.

The lighting equipment comprises a bottom plate and a plurality of sets of lighting lamps, a lifting column is correspondingly arranged in the middle of the upper surface of the bottom plate, and a top cover is fixedly installed at the upper end of the lifting column; the secondary stabilizing assembly is composed of a plurality of sets of auxiliary stabilizing components and a driving component, and the multiple sets of auxiliary stabilizing components and the inserting rods are arranged in pairs; the driving lifting assembly is arranged on the upper surface of the bottom plate, and the driving lifting assembly is in transmission connection with the driving component; and a plurality of dust removal assemblies are arranged, and each dust removal assembly is composed of a cleaning part and a transmission part. The river water diversion lighting equipment has the advantages that the lighting equipment is spliced through compact rotation and sliding, the overall occupied space is reduced, carrying is convenient, one-key unfolding use can be achieved through the driving lifting assembly, the control assembly, the secondary stabilizing assembly and the dust removal assembly, and the practicability and convenience of the river water diversion lighting equipment are improved.

The present invention belongs to the technical field of lithium ion batteries, and discloses a ligand-coated doped lithium iron phosphate and a preparation method and application thereof. The general formula of the ligand-coated doped lithium iron phosphate is LiFePO4@Mn-T-C / N; T is at least one of zinc, nickel, copper, iron, cobalt, zirconium, aluminum, gallium, and chromium. The doped type in the ligand-coated doped lithium iron phosphate of the present invention is doped by a composite-loaded micro-carbon sphere conductor, and the particle size of the composite-loaded micro-carbon sphere conductor reaches 80-150nm level, so it can withstand greater stress and reduce the probability of rupture. The spherical lithium iron phosphate doped with the composite-loaded micro-carbon sphere conductor has a more easily controlled material structure integrity.

The utility model provides an automatic constant temperature control device for circulating water, which relates to the technical field of constant temperature control and comprises an input cavity, a constant temperature control cavity and an output cavity, a first thermal insulation plate is arranged between the input cavity and the constant temperature control cavity, and a second thermal insulation plate is arranged between the constant temperature control cavity and the output cavity. And a heating plate and a refrigerating plate are fixedly mounted at the two ends of the constant-temperature control cavity. The utility model has the advantages that the cavities for inputting, constant-temperature control and outputting circulating water are arranged in the control structure, and the isolation structures capable of being telescopically adjusted are arranged among the cavities, so that the circulating water can be guided into the corresponding cavities according to the use requirements of the circulating water; and the circulating water is conveniently isolated from the interior of the constant-temperature control cavity for constant-temperature adjustment, the situation that the constant water temperature is interactively influenced in the circulating process of the circulating water is avoided, constant-temperature isolation can be conducted on input and output of the circulating water, and the stability of the circulating water in the circulating process is conveniently guaranteed.

The present invention provides a method for synthesizing vitamin E succinate catalyzed by lipase in a low eutectic solvent, belonging to the field of biocatalysis technology. The low eutectic solvent is synthesized by a heating and stirring method using the fatty acid n-decanoic acid as a hydrogen bond acceptor and lidocaine as a hydrogen bond donor. The low eutectic solvent prepared by this method has the advantages of maintaining enzymatic properties and good substrate solubility, and can be used to catalyze the esterification reaction of vitamin E and succinic anhydride to prepare vitamin E succinate. The method can be carried out at a relatively low temperature of 50°C, the reaction is rapid and only takes 6 hours, the amount of lipase used is small (only 4% substrate mass ratio is required), the conditions are mild, and the yield of vitamin E succinate is as high as 95.67%. The present invention provides a new method for synthesizing vitamin E succinate in a green and efficient manner.

The utility model discloses a photovoltaic support assembly frame which comprises a bottom plate, a ball screw is arranged in the middle of the upper surface of the bottom plate, a first sliding seat is movably installed outside the ball screw, an air pump is fixedly installed at the top end of the first sliding seat, and a pneumatic push rod is installed at the output end of the air pump in a key connection mode. A rotary abutting plate is rotationally mounted at the telescopic top end of the pneumatic push rod. The overall ground area of the device is increased through the arranged bottom plate, the overall use of the device is more stable, meanwhile, side plates installed on the two sides of the upper surface of the bottom plate limit electric push rods, the electric push rods work to push second limiting plates to rise, then the overall use height of the photovoltaic panel is controlled, and meanwhile the integrity of the photovoltaic panel support is guaranteed; according to the device, the photovoltaic panel can be effectively limited and adjusted through self-adjustment of all the assemblies only by fixing the use position of the bottom plate, the assembly difficulty is greatly reduced, and the assembly efficiency is improved.

This utility model relates to the field of sheet metal processing technology and discloses an intermittent sheet metal cutting device, comprising: a box for storing sheet metal materials, a baffle that slides vertically on the front side of the box, a connecting rod connected to the left side of the box via a gear set, a connecting member rotatably connected to the top of the connecting rod, a limiting groove formed on the upper left side of the box, the left end of the baffle slidingly connected to the inside of the limiting groove to limit the sliding distance, the left end of the baffle rotatably connected to the connecting member, and a stack of sheet metal supported inside the box by a lifting member; a frame serving as the sheet metal cutting point, with a laser cutting head for cutting sheet metal mounted on the top of the frame via an XYZ platform. In this utility model, the feeding process creates intervals between each metal sheet sliding out of the box during feeding, preventing collisions between sheets during feeding and stabilizing the stability of the sheets during feeding, thereby avoiding any impact on production efficiency during feeding.

The invention discloses a gabion gabion grid reinforcing system for preventing a backfill dumping site of an open pit from being damaged. The gabion gabion grid reinforcing system comprises an inner dumping site, a base, gabion gabion grids, backfill discrete materials and inclinometer pipes. The inner dumping site is used for piling and discharging backfill discrete materials; the base is an exposed surface after mining of the strip mine pit is completed, is used as a supporting land for subsequent dumping operation, and provides geological conditions for laying of gabion gabion grids; the gabion gabion grid is laid on the surface of the base and used for maintaining and reinforcing the multi-layer slope structure formed by the backfill discrete materials. Backfill discrete materials are transported to the inner dumping site through the dumping truck and dumped into the inner dumping site; and the inclinometer pipe is used for monitoring the displacement of the soil body subsequently. According to the method, the shear strength of backfill discrete materials is remarkably improved, then the stability of the side slope of the waste dump is stabilized, horizontal deformation of the dumping steps in the slope direction is effectively restrained, and deformation and large-volume landslide possibly caused by external erosion of the side slope of the waste dump are avoided.

The application discloses a kind of 3D printing composite material and preparation method thereof, it is related to 3D printing functional composite material and flexible electronic material technical field.The application is prepared when composite material, with thermoplastic polyurethane as flexible matrix, graphene, carbon nanotube is synergistic conductive filler, by solution dispersion, melt blending, fused deposition forming and microwave surface enhancement is obtained.The application utilizes graphene sheet layer support and carbon nanotube bridging effect, constructs continuous efficient conductive network under low filler, solves the industry pain point that traditional material filler is highly dependent, printing is poor, electrical stability is insufficient, has excellent printability, piezoresistive response and cycle stability, and is suitable for flexible sensing, wearable electronics, structure function integrated device.

A casement window inner frame is fixedly connected to the inner wall of a casement window outer frame, a door and window lock rail is arranged on the left side of the front surface of the casement window outer frame, and an opening and closing window is arranged on the inner wall of the casement window inner frame. The double-layer glass is arranged in an inner wall groove of the opening and closing window and connected with the first glass containing opening and the second glass containing opening, the axis opening is formed in the upper portion and the lower portion of the left side of the front surface of the opening and closing window, and the limiting rotating shaft is arranged in the middle of the left side of the front surface of the opening and closing window. The rotating block is sleeved with the axis opening, the rotating control column is fixedly connected to the surface of the rotating block, the sliding block is fixedly connected to the back of the rotating control column, the first glass containing opening is formed in the left side of the inner wall of the opening-closing window, the second glass containing opening is formed in the right side of the inner wall of the opening-closing window, and the hidden drainage groove is formed in the bottom of the first glass containing opening.

The utility model relates to the field of car roof wheel assemblies, in particular to a car roof wheel assembly of a passenger elevator with a shallow pit and without a machine room. The technical problems that an elevator shakes and generates noise during use due to the fact that an existing car roof wheel assembly is poor in damping measure effect, an existing fixing assembly is simple and poor in stability when a rope wheel is fixed, the rope wheel is prone to being damaged by external force, and meanwhile the rope wheel is prone to being damaged due to the fact that the rope wheel is used for many times are solved. According to the technical scheme, the car roof wheel assembly of the passenger elevator without the machine room in the shallow pit comprises a car frame upper beam, a first damping mechanism, a channel steel mechanism, a second damping mechanism, a fixing mechanism and a rope wheel, the first damping mechanism and the second damping mechanism are arranged to conduct damping treatment on equipment, shaking and noise generated when the equipment is used are reduced, and the service life of the equipment is prolonged. And meanwhile, the rope wheel is reinforced and assembled through the fixing assembly, the overall stability is improved, meanwhile, the rope wheel is reinforced, the surface strength is enhanced, and the service life is prolonged.

This invention relates to the field of carbon monoxide catalyst technology, specifically to a carbon monoxide catalyst and its preparation method. The carbon monoxide catalyst is prepared by this method. The preparation method includes steps S1: mixing tetrabutyl titanate with an alcohol reagent to obtain solution a; adding an auxiliary agent to a platinum nitrate aqueous solution and mixing to obtain solution b; step S2: adding solution b dropwise to solution a and continuously stirring until a gel-like substance is formed; step S3: subjecting the gel-like substance to a first drying treatment and a first calcination treatment sequentially to obtain a powdered catalyst; step S4: grinding the powdered catalyst to a D90 < 5 μm and dispersing it in water, adding a binder to form a slurry; step S5: coating the slurry onto a porous support, and subjecting it to a second drying treatment and a second calcination treatment sequentially to obtain the carbon monoxide catalyst. The carbon monoxide catalyst prepared by this invention has good stability and can be used in complex environments.

The utility model relates to the technical field of chromatographic instruments, and discloses a multi-dimensional liquid chromatograph which comprises a chromatographic instrument, a first disc is fixedly connected in the chromatographic instrument, a gas inlet channel is fixedly connected in the first disc, a sealing layer is fixedly connected in the gas inlet channel, a gas inlet pipe is inserted in the gas inlet channel, and a gas outlet pipe is inserted in the gas inlet pipe. A second disc is fixedly connected to one end of the air inlet pipe, a hose is fixedly connected to the interior of the air inlet pipe, a bolt is in threaded connection to the interior of the second disc, a threaded hole is formed in the first disc, and the bolt extends into the threaded hole. Compared with the prior art, the air inlet pipe fixing device has the advantages that the air inlet pipe is fixed, so that the air inlet pipe is not prone to falling off and convenient to disassemble, meanwhile, hoses at the tail of the air inlet pipe can be separated, disorder caused by winding of the hoses is avoided, and practicability in the using process is improved.

The invention relates to the technical field of crystal frequency chip dispensing equipment, in particular to high-power crystal frequency chip automatic dispensing equipment and an operation method, the high-power crystal frequency chip automatic dispensing equipment comprises a conveying device used for conveying a trapezoidal mounting base plate, and insulating bases are symmetrically arranged at the top of the trapezoidal mounting base plate in a limiting manner; the dispensing device comprises a frame, a glue barrel, a controller, a double-dispensing mechanism and a synchronous conveying driving mechanism. Therefore, the structure is reasonable, the dispensing device works accurately along the preset path, the machining precision is guaranteed, the design of electronic elements is simplified, the operation convenience and durability are enhanced, the fault rate and the maintenance cost are reduced, compared with a water drop shape, the novel concentric-square-shaped dispensing mode is more uniform and stable, glue is saved, the cost is reduced, meanwhile, glue overflow is avoided, and the production efficiency is improved. Subsequent workload is reduced, resonator performance is guaranteed, and product reliability and production efficiency are improved.

The utility model relates to a brush convenient to switch different brush heads, which comprises a handle, an anti-slip sleeve is fixed on the outer surface of the handle, a brush head is arranged at the right end of the handle, a hanging ring is rotatably connected to the left end of the handle, and an auxiliary mechanism used for switching different brush heads is arranged on the handle. The auxiliary mechanism comprises an auxiliary assembly arranged on the brush head, a positioning assembly arranged on the auxiliary assembly, a supporting assembly arranged on the auxiliary assembly and a limiting assembly arranged on the auxiliary assembly. The auxiliary assembly comprises a fixing base fixed to the left side of the brush head and a fixing groove formed in the left side of the fixing base, and the right end of the handle is inserted into the fixing groove. The threaded rod penetrates through the threaded hole in the fixed seat and extends into the threaded groove of the handle, so that the brush head and the handle are fixed together, different brush heads can be conveniently switched, meanwhile, the stable effect of the brush head and the handle is better and firmer through the threaded connection mode, and the brush head and the handle are not prone to falling off in the using process.

The utility model relates to the field of bearing cleaning devices, and discloses a cleaning device for inner and outer rings of a bearing, which comprises a workbench, the top of the workbench is in sliding connection with an adjusting frame, the front side of the adjusting frame is fixedly connected with a rail rod, and the outer wall of the rail rod is in sliding connection with a plurality of cleaning device bodies. A water tank is fixedly connected to the rear side of the adjusting frame, telescopic hoses are arranged on the two sides of the water tank, a storage box is fixedly connected to the bottom of the inner wall of the adjusting frame, a stacking bin is fixedly connected to the front side of the storage box, a motor is fixedly connected to the rear side of the storage box, and a transmission rod is fixedly connected to the output end of the motor. And the outer wall of the transmission rod is fixedly connected with a cam. According to the cleaning device, the telescopic hose, the motor, the transmission rod, the cam and other components are used in cooperation, cleaning liquid with high cost can be effectively reused in the inclination process, sludge outside a washed lower bearing can be effectively classified, and the cleaning efficiency is improved.

The invention provides an ultrahigh side slope sectional type frame building system based on multiple lifting points, and belongs to the technical field of high side slope frame building equipment. The ultrahigh side slope sectional type frame building system based on the multiple lifting points comprises scaffold units; an anchoring mechanism; the anchoring mechanism is connected to the scaffold unit through the hoisting mechanism, the ultrahigh side slope segmented frame building system is convenient to expand, hoisting points are easy to increase, the ultrahigh side slope segmented frame building system is different from a traditional mode that the traction strength is adjusted only through turnbuckles, stable and sufficient traction strength is better provided for the frame building system, the construction period is shortened, and the construction efficiency is improved. Therefore, the stability of the frame building structure is obviously and cheaply improved, and the construction progress is accelerated.

The utility model discloses a stabilizing member for steel structure connection, which comprises a first pinch plate and a second pinch plate, the left side of the first pinch plate is detachably provided with the second pinch plate through a bolt, a support member is movably arranged on the right side of the first pinch plate, and the stabilizing member is rotatably arranged at the top end of the support member. The supporting component is used for supporting a to-be-connected steel structure and meanwhile providing angle stability, and the stabilizing component is used for providing steel structure supporting stability and moving work. According to the roller design using the bearings, the bearings are arranged at the connecting positions of the first rollers and the supports, the second rollers are connected with the second rotating blocks through the bearings, so that the rollers can rotate smoothly, stable moving work of the steel structure cross beam is provided, and due to the detachable design, the bolts and the threaded pipes are detachably arranged, installation and maintenance are convenient; due to the design characteristics, the stable component can provide reliable connecting and supporting functions, and flexibility and convenience are achieved at the same time.

The embodiment of the invention discloses a drying control method and drying equipment, and belongs to the field of drying equipment control. The drying control method comprises the steps that the actual voltage value of the electric heating device is obtained; and if the actual voltage value exceeds a preset target voltage interval, the start-stop rhythm of the electric heating device is adjusted, so that the change direction of the thermal energy value output by the electric heating device is opposite to the change direction of the actual voltage value. The embodiment of the invention has the technical effects that the start-stop rhythm of the electric heating device is adjusted, so that the start-stop rhythm of the electric heating device can change along with the change of the actual voltage value, the stability of the heat output by the electric heating device is stabilized, and the drying experience of a user is improved.

The invention relates to the technical field of wafer grinding and polishing, in particular to a wafer grinding and polishing device for mobile phone chip machining. Comprising a shell, the shell is fixedly connected with a mounting plate, the mounting plate is provided with a hydraulic push rod, the telescopic end of the hydraulic push rod is fixedly connected with a moving shaft, the moving shaft is fixedly connected with a first middleware, the first middleware is in spline connection with a second middleware, and the second middleware is rotationally connected with a rotating disc; the second middle piece is fixedly connected with first plates which are arranged in a central symmetry mode, and the rotating disc is fixedly connected with second plates which are arranged in a central symmetry mode. The grinding and polishing degree of the wafer is judged through the relative movement between the second plate and the adjacent first plate, so that the wafer in the grinding and polishing process is detected in real time, and the situation that the wafer is exposed in the air and is damaged due to the fact that the grinding and polishing degree of the wafer is detected by interrupting the grinding and polishing process is prevented. Therefore, the normal grinding and polishing are influenced by oxidation and pollutant adsorption.

The present invention discloses a wall formwork structure of a column-slab wall slope protection structure, including a single-sided formwork, the formwork is arranged between two adjacent reinforced concrete columns, and its two ends are in contact with the surface of the reinforced concrete column, a plurality of square timbers are arranged vertically and at intervals on the back of the formwork, a plurality of horizontal longitudinal tie bars are arranged closely on the back of the square timbers, and the two ends of the longitudinal tie bars are respectively fixed on the two reinforced concrete columns. In the wall formwork structure and its construction method, the reinforced concrete columns on the column-slab wall ground and the longitudinal tie bars arranged between the reinforced concrete columns are used as the support carriers for the horizontal resistance of the formwork, the entire formwork structure has relatively low requirements on the site, and as the height of the layered and segmented cast wall increases, the stability of the entire support system is better.

The utility model discloses a measuring tool for preventing measurement deviation, which comprises a spindle box, a slide carriage box, a universal bamboo joint pipe and a measuring tool assembly, a clamping jaw chuck is arranged at the center of the right side of the spindle box, a feeding box is arranged on the left side of the front end face of a machine body, a polish rod is arranged below a screw rod, and a tool rest is arranged on the top end face of the slide carriage box. The universal bamboo joint pipe is arranged on the left side of the slide carriage box, and the measuring tool assembly is arranged at one end of the universal bamboo joint pipe away from the slide carriage box. According to the measuring tool capable of preventing measurement offset, the measuring tool assembly clamps a workpiece through springs of the upper clamping plate and the lower clamping plate, it can be ensured that the workpiece is clamped and kept at a stable position in the measuring process, measurement offset is avoided, the measuring tool assembly is fixed through the universal bamboo joint pipe, the measuring tool assembly can be adjusted and rotated in multiple directions, and the measuring accuracy is improved. Therefore, the measuring requirements of workpieces at different angles and positions are met, the stability of the measuring tool assembly is kept when static and long-time measurement is needed, and it is prevented that the measuring tool assembly moves or deviates unnecessarily in the measuring process, and the precision is affected.

The utility model relates to the technical field of supporting leg hanging, and discloses supporting leg hanging equipment which comprises a lifting device with the top fixedly provided with a bottom frame, a limiting device fixedly installed on one side of the lifting device and used for stabilizing, and a telescopic supporting rod fixedly installed on the top of the lifting device and used for controlling the length. A wire bunching device used for connection is fixedly installed on one side of the telescopic supporting rod, and a hanging head used for pulling is fixedly installed on one side of the telescopic supporting rod. According to the supporting leg hanging equipment, through cooperative arrangement of the telescopic supporting rod, the bunching device, the hanging head and the buffer, the equipment can be controlled more conveniently during use, through arrangement of the telescopic supporting rod, the direction of the equipment can be adjusted more conveniently, the equipment can move left and right, and through arrangement of the bunching device, the equipment can be matched with the buffer; the cable is shrunk and extended, the convenience of the device is improved, and the hanging head on one side can pull up the legs of the patient, so that the device is more convenient to hang.

The present disclosure relates to the technical field of cable production, and one embodiment of the present disclosure provides a cable drum cable pressing wheel device, which comprises a base and a pair of vertical plates, the vertical plates are arranged on the base, a drum is arranged on the base, a clamping driving assembly is arranged between the drum and the base, a column is fixed on the base, and a pressing wheel compacting assembly is arranged on the column. The pressing wheel compacting assembly comprises a pair of transmission cavities, the transmission cavities are arranged in the upper and lower ends of the column, a lifting frame connected through vertical linear driving is arranged in the transmission cavities, the transmission cavities are arranged in the lifting frame, the transmission cavities are open on both sides, and a pair of pressing rollers are arranged on the lifting frame. Through the above technical scheme, the technical problem that most cable drums in the prior art can easily cause the cable to be stacked too high and the local stress to be uneven, which not only occupies more storage space, but also can cause the cable to slip and wear during transportation or use is solved.

The dustproof headphone support comprises a main rod frame, an adjusting cylinder is connected to the main rod frame in a sliding mode, a top disc is installed on the upper portion of the adjusting cylinder, a plurality of adjusting mechanisms are distributed on the upper middle portion of the adjusting cylinder at equal intervals, and a dustproof mechanism is arranged in the middle of the outer wall of the top disc. A supporting mechanism is clamped to the lower portion of the main rod frame, the adjusting mechanisms comprise a plurality of first threaded grooves and a plurality of second threaded grooves, the first threaded grooves are distributed in the upper middle portion of an adjusting cylinder at equal intervals, and the second threaded grooves are distributed in the upper middle portion of the main rod frame at equal intervals. The headset support has a height adjusting function and a dustproof function, and can play a role in preventing dust and isolating splashed water or oil stains, so that the hung headset is not easy to stain and is not damaged due to breakage caused by wetting.

The present invention relates to the field of lamp technology, and in particular to a vehicle-mounted front lamp and a control method thereof, comprising a lamp rear cover and a reflector mounted on the lamp rear cover, the lamp rear cover also comprising: an installation groove, the installation groove is used to install a lamp holder, and the inner wall of the installation groove is penetrated by a through groove for the rear end of the reflector to pass through: the present invention can realize that when a small amount of water enters the lamp and causes water mist, the detected humidity value can be prompted and the owner can be informed in time, so that the owner can find the problem in time for timely maintenance, which is conducive to avoiding safety hazards caused by water entering the lamp. On rainy days, when a large amount of water enters the lamp and the water accumulation is serious, the power connection of the bulb is promptly cut off to form power-off protection, and the power is cut off at the grounding point, which is conducive to avoiding short-circuit damage to the lamp.

The invention relates to the technical field of shear shank, and discloses a shear shank lifting device which comprises a bottom plate, a supporting column is connected to the lower end of the bottom plate, a connecting seat is connected to one side of the bottom plate, a staggered frame, a limiting strip and a supporting plate are connected to the connecting seat, one end of the staggered frame is slidably connected to the limiting strip, and an air cylinder shaft is connected to the staggered frame. The other end of the transmission air cylinder is rotationally connected to the connecting base, the upper end of the staggered frame is connected with a lifting plate, the lower end of the lifting plate is connected with a fixed block and a bottom sliding rail, and the bottom sliding rail is slidably connected with a movable block. A to-be-lifted vehicle can be pushed to the lifting position through the push plates, it is ensured that when the height of the lifting plates rises, the anti-skid blocks on the lifting plates can be precisely connected with the supporting points of the vehicle in a butt joint mode, namely, a driver only needs to drive the vehicle into the position between the push plates, the push plates abut against vehicle tires, and the vehicle is clamped in cooperation with the push plates; therefore, the stability of the structure during vehicle lifting is stabilized.