140results about How to "Use applicable" patented technology

The invention belongs to the technical field of organic chemistry, and particularly relates to a method for preparing a 3-sulfonyl coumarin compound. According to the method, arenediazonium salt, phenyl ester phenylpropiolate and DABCO.(SO2)2 react in an organic solvent to prepare the 3-sulfonyl coumarin compound. The structure of the compound is represented through the 1 H NMR, 13 C NMR, HRMS and single crystal x-ray diffraction analysis methods and determined. According to the method, under very mild and simple conditions, DABCO.(SO2)2 serves as a sulfur dioxide source, sulfur acylation reaction is achieved directly, and the 3-sulfonyl coumarin compound is built. Raw materials in the reaction are easy to obtain, cost is low, use of a sulfonyl chloride intermediate in a traditional synthesis method is avoided, and the method can be suitable for large-scale preparation and has very good application prospects.

The invention relates to a special nursing bed for a bedridden patient, and belongs to the field of medical nursing instruments. The nursing bed comprises a nursing bed body and an inflation bathtub. The nursing bed body is composed of a bedstead, a bed frame, a left movable bed board, a right movable bed board and a hydraulic jacking device. The left movable bed board and the right movable bed board are installed in the bed frame of the bedstead, the hydraulic jacking device is installed at the position, below the left movable bed board and the right movable bed board, of the bedstead and the inflation bathtub is fixedly installed on the upper surface of the left movable bed board and the right movable bed board. By means of the special nursing bed, the washing nursing work of bathing the bedridden patient and washing the hair of the bedridden patient can be completed through operation of a single person. The problems that due to the fact that in the prior art, the cooperation of a plurality of persons is needed for completing the work of bathing the bedridden patient, pain is brought to the patient and burdens are brought to medical personnel and family members. According to the special nursing bed for the bedridden patient, the inflation bathtub can be stored into a storage box during non-washing nursing work, and the special nursing bed can be used as a common nursing bed and is specially suitable for the bedridden patient.

The invention discloses a water-soluble fertilizer capable of absorbing cadmium in foliage resistance and control paddy rice. The water-soluble fertilizer comprises the following components in percentages by weight: 17% to 22% of amino acids, 5% to 6% of polyglutamic acids, 19% to 28% of a metal chelate compound, 0.5% to 0.8% of a complexing agent and 5% to 8% of a surface active agent. The invention also discloses a preparation method of the water-soluble fertilizer. The preparation method comprises the following steps: (1) adding amino acids and polyglutamic acids into water, heating and stirring to obtain a mother solution A; (2) in a stirring condition, adding the metal chelate compound and the complexing agent into the mother solution A, and obtaining a mother solution B after complete dissolution; (3) in the stirring condition, adding the surface active agent into the mother solution B, and obtaining the water-soluble fertilizer product after complete dissolution. By using the water-soluble fertilizer, the cadmium content of paddy rice can be reduced, the cadmium content of paddy rice accords with the standard of edible safety, the production increase and quality increase ofpaddy rice are promoted, and secondary pollution to the environment is avoided.

The invention relates to a ball-point pen, and particularly to an extruding type retractable ball-point pen. The extruding type retractable ball-point pen comprises a pen refill, a pen tube and a tube head, wherein an extruding flange is arranged on the circumference of the pen refill; a supporting flange is arranged on the inner wall of the tube head; a supporting spring is mounted on the pen refill at the part between the supporting flange and the extruding flange in a sleeving manner; extruding holes are formed in the pen tube corresponding to the extruding flange in a symmetric manner; an extruding rod is movably mounted in each of the extruding holes; an extruding block is fixedly mounted at the end head of each of the extruding rods in the pen tube; and the extruding blocks are in contact connection with the extruding flange. The extruding type retractable ball-point pen has the advantages as follows: extruding handles are extruded to enable the pen refill to extend out of the outer end of the tube head, the pen refill is always kept in a retraction state under a non-use state and the action of the supporting spring, and the problem that the pen is unsmooth in writing or unable to work due to that the pen refill is easy to break when the conventional ball-point pen rolls down onto the ground is avoided; besides, the extruding type retractable ball-point pen has the characteristics of being simple in the structure and good in practicability, and is particularly suitable for being used by primary and secondary school students.

The invention discloses a dust blowing device for a spinning machine. The dust blowing device comprises a dust blowing cover, supporting stand columns, a circulation water tank and a dust collecting box. The output ends of hydraulic telescopic rods penetrate the top ends of the supporting stand columns and are horizontally provided with an installing platform. An installing frame is arranged at one end of the bottom end of the installing platform. The circulation water tank is arranged in the installing frame. The end, away from the installing frame, of the top end of the installing platform is vertically provided with a first vertical plate 6. The dust blowing cover is arranged at the bottom ends of a second installing frame and a first installing frame. Two dust blowing sprayers are arranged on the inner wall of each of the two sides of the dust blowing cover. The dust collecting box is arranged at the top end of the installing platform part on the side, away from the first verticalplate 6, of a first vertical plate 19. According to the dust blowing device, rapid dust blowing can be achieved, meanwhile, flying dust is collected in an air pumping manner, thread residues, flock and dust generated in the spinning process can be rapidly and effectively removed, and the production quality can be effectively improved.

The invention relates to a using method of an acoustic anti-theft door. The method comprises the following steps: acquiring a face image of a user by using a face recognition system, storing the face image, and recording sound of calling to open the door of the user by using an acoustic device, wherein the face recognition system compares and recognizes the face of a door opener and the acquired and stored face image of the user in the process of opening the door; allowing the face recognition system to start the acoustic device when the face image of the door opener is consistent with the face image of the user, allowing the acoustic device to receive the sound of calling to open the door of the door opener, and comparing the sound of calling to open the door of the door opener and the user, if the sound is the same, unlocking the door lock by a door lock starting device, if the face image of the door opener is inconsistent with the face image of the user, alarming by virtue of an alarm under the drive of the face recognition system, and performing picture recording. The door lock starting device is controlled to unlock the door lock by using the face recognition system and the acoustic device, the problem that a conventional anti-theft door needs to be opened through an electronic card or a key is solved, and the method is suitable for children and the disabled.

A solar comprehensive heating system capable of supplying heat and hot water integrally for a house comprises a vacuum tube solar collector, a collector water inlet pipe, a collector water outlet pipe, a heat storage pipeline, a heat exchanger, a domestic hot water pipe and a hot water use terminal. The collector water inlet pipe and the collector water outlet pipe are communicated with the solar collector. The collector water outlet pipe is communicated with the heat storage pipeline and is part of the heat storage pipeline. The heat storage pipeline is communicated with the collector water inlet pipe through connecting water pipes provides with switch valves. The collector water inlet pipe and the heat storage pipeline are connected with a low temperature radiation heating manifold through heating pipes so as to form water circulation. Water circulation between the vacuum tube solar collector and municipal heating hot water pipes are formed by the aid of the collector water inlet pipe and the heat storage pipeline. The solar comprehensive heating system is simple in structure, low in manufacture and maintenance cost, and low in maintenance difficulty.

The invention discloses a convenient money depositing and withdrawing system. The system comprises a bank server port and a client port; the bank server port further stores a user voiceprint module, auser image module, a semantic recognition module and a control module; the client port is provided with a face recognition system and a voice recognition system; a client is further provided with a face model extraction module connected with the face recognition system, and a voiceprint extraction module and a semantic recognition module connected with the voice recognition system; the face modelextraction module and the voiceprint extraction module are both connected with the control module in the bank server port; and the user voiceprint module, the user image module and the semantic recognition module are connected with the control module. The system and a method are based on the interaction of the face recognition system and the voice recognition system, wherein the face recognitionsystem is applied to the binding of a user name; the voice recognition system is applied to the password verification; by reducing and updating money depositing and withdrawing mediums and processes,the problem that a person do not know how to use self-service equipment, do not carry a bank card or forget a password in the background technology is solved; and the system is convenient and quick, is high in security and high in confidentiality, and is suitable for people of all ages.

The invention relates to a special nursing bed for bedridden patients, which belongs to the field of medical nursing equipment. The nursing bed includes a nursing bed body and an inflatable bathtub. The nursing bed body is composed of a bed frame, a bed frame, a left movable bed board, a right movable bed board and a hydraulic jacking device, and a left movable bed board and a right movable bed board are installed in the bed frame of the bed frame. , the bed frame below the left movable bed board and the right movable bed board is equipped with a hydraulic jacking device, and the upper surface of the left movable bed board and the right movable bed board is fixedly equipped with an inflatable bathtub. The invention can complete the washing and nursing work of bathing and hair washing for the bedridden patients by one person's operation. The present invention solves the problem that when a bedridden patient takes a bath, it must be completed with the cooperation of many people, which not only brings pain to the patient, but also brings burdens to medical staff and family members. The special nursing bed for bedridden patients can be used as an ordinary nursing bed when the inflatable bathtub can be stored in the storage box during non-washing and nursing work, and is especially suitable for bedridden patients.

The invention discloses a digestion method and a digestion device for quickly digesting carbon monoxide, and belongs to the technical field of toxic gas purification. The method comprises the following steps: spraying solid catalyst powder into a carbon monoxide enrichment space so as to oxidize carbon monoxide into carbon dioxide and realize rapid digestion of carbon monoxide by utilizing the mechanical motion or Brownian motion of the catalyst powder and the principle of catalytically oxidizing carbon monoxide by using a catalyst. The device comprises a catalyst powder storage tank, a spraying device, a pressure release valve, a vacuumizing / inflating port and a siphon. The upper end of the catalyst powder storage tank is a tank opening; a material spraying device is arranged on the tankopening; the siphon is positioned in a tank body of the catalyst powder storage tank; the upper end of the siphon is connected with the spraying device, and the lower end extends to the bottom of thecatalyst powder storage tank; and the upper part of the tank body of the catalyst powder storage tank is connected with a pressure release valve and a vacuumizing / inflating port. The method and the device have the advantages of being high in carbon monoxide digestion speed, low in cost and suitable for fire and explosion sites, thereby preventing carbon monoxide from hurting people in distress.

The invention relates to an automatic-sprinkling dust collector for a construction field and belongs to the technical field of the dust collector for the construction field. The automatic-sprinkling dust collector for the construction field comprises a water tank, a plurality of spray nozzles communicated with the water tank, dust sensors and an automatic control device, wherein the spray nozzlesare uniformly distributed on the periphery of the water tank and comprise upper spray nozzles and lower spray nozzles by height; the automatic control device is fixed on the side surface of the watertank and covered with a watertight case. The dust collector is equipped with the plurality of spray nozzles controlled by the automatic control device, the dust sensors are utilized to monitor dust data, so that automation degree of the dust collector is increased, and dust removing effect and dust removing efficiency of the dust collector are improved. The automatic-sprinkling dust collector is simple in structure, low in manufacturing and using cost, good in dust removing effect, high in automation degree and high in working efficiency, the spray nozzles are arranged reasonably, water resource can be saved, and the automatic-sprinkling dust collector has good comprehensive use property.

The invention relates to the technical field of mask processing, in particular to a moisturizing mask and a preparation process thereof. The invention relates to a preparation process of a moisturizing mask. The preparation process comprises the following steps: step 1, adding solid moisturizing mask paste into a circular mold; 2, placing a piece of non-woven mask paper at the lower end of the circular mold; 3,forming the moisture mask paste into a sheet shape; and 4, enabling the sheet-shaped circular mask paste to fall on the non-woven fabric mask paper to form a whole body. The invention further relates to a moisturizing mask preparation device in the moisturizing mask preparation process. The moisturizing mask preparation device comprises a charging basket, a fixing frame, a placing frame, a plane cutter, an inserting plate, a frame plate, a second motor and a third lead screw, the charging basket is arranged on the fixing frame, the fixing frame is fixedly connected with the placing frame, the placing frame is located at the lower end of the charging basket, the plane cutter is attached to the bottom face of the charging basket, and the plane cutter is fixedly connected to the inserting plate. The inserting plate is connected to the frame plate in a sliding mode, and the frame plate is fixedly connected to the fixing frame.

The invention discloses a teaching experiment system based on the Internet of things technology, which comprises a controller management module and a controller module, wherein the output end of the controller management module is connected with the controller module; the output end of the controller module is connected with a virtual device library, a circuit fault diagnosis module and a visual interactive interface; the controller module comprises an embedded controller and a PLC controller; the embedded controller is connected with the PLC controller through an SPI bus; the controller management module comprises a Labview control module; the data end of the Labview control module is connected with a data acquisition card; and the output end of the controller management module is connected with a system server through a local area network. The experiment system can meet application of the Internet of things technology teaching and can also meet requirements of extracurricular practice such as course design of a student, and the student can be trained with the self learning ability and the creation spirit conveniently.

A pressure-type brewing machine capable of grinding beans automatically comprises a water supply device, a heating device, a bean grinding device and a brewing device. The water supply device comprises a water tank and a water outlet pipe. The heating device is installed below the water supply device and comprises a pressure valve and a hot water pipe. An outlet of the pressure valve is connected with an inlet of the hot water pipe. The bean grinding device is installed on the slightly upper side of the water supply device and comprises a bean grinding mechanism and a guide pipe. The bean grinding mechanism is provided with a hopper-type inlet and a powder outlet connected with the guide pipe. The brewing device is installed below the bean grinding device and comprises a brewing cup, a coffee juice outlet, a fastening cover, a fastening handle and an ejector pin pipe. The brewing cup is provided with a cup opening and one side of the cup opening is connected with the guide pipe. The fastening cover is controlled through the fastening handle. The ejector pin tube is installed on the lower face of the fastening cover and penetrates through the fastening cover to be communicated with the hot water pipe. Through the shape, the structure and the combination of the shape and the structure, the design structure of the pressure-type brewing machine capable of grinding the beans automatically is realized.

The invention discloses a traditional Chinese medicine composition for treating osteoarthritis. The traditional Chinese medicine composition is a medicament prepared from the following traditional Chinese medicine raw materials in parts by weight: 10-30 parts of suberect spatholobus stems, 10-30 parts of honeysuckle stems, 10-30 parts of herba aristolochiae, 5-15 parts of radix stephaniae tetrandrae, 10-20 parts of cocculus orbiculatus, 10-20 parts of radix rehmanniae, 50-80 parts of fructus cannabis, 50-80 parts of radix angelicae pubescentis, 50-80 parts of bunge cherry seeds, 50-80 parts of fructus aurantii, 50-80 parts of semen plantaginis, 50-80 parts of semen cuscutae, 50-80 parts of Chinese yam, 50-80 parts of radix achyranthis bidentatae, 50-80 parts of dogwoods and 20-40 parts of notopterygium roots. The traditional Chinese medicine composition is reasonable in formula, wide in raw material sources of traditional Chinese medicines used in the formula, low in cost, suitable for patients suffering from chronic diseases such as osteoarthritis and also convenient to carry and take.

The invention relates to the field of carbon sliding plates, in particular to a lateral positioning assembly for a carbon sliding plate. The lateral positioning assembly has the beneficial effects that through the arrangement of two groups of supporting assemblies, which comprise supporting rods and limiting clamping plates, on the surface of a mounting baseplate, limiting clamping grooves can beformed in the surfaces of the limiting clamping plates and used for the clamping and fixing of a carbon sliding plate body; through the arrangement of lateral clamping assemblies on the outer sides ofthe two groups of supporting assemblies, the carbon sliding plate body can be fixed again from two sides; and the lateral clamping assemblies comprise mounting shells and sliding mounting grooves, L-shaped sliding clamping plates which correspond to the carbon sliding plate body are arranged inside the sliding mounting grooves, and buffer springs are arranged so as to buffer the L-shaped slidingclamping plates, so that the slight adjustment according to the length of the carbon sliding plate body can be achieved, and the use by people can be facilitated.

The invention provides a tone-adjustable integrated television background wall which comprises a wallboard, a connection strip, a light guide plate, a luminous strip, a clamp strip and a clamping screw, wherein a light guide plate mounting slot is formed at the rear end of the wallboard; connection strip mounting slots are arranged on the two sides, top and bottom of the wallboard; clamp strip mounting holes are formed in the connection strip mounting slots; a gap base plate is arranged at the front end of the connection strip; a fixing bolt hole is formed in the rear end of the connection strip; a luminous strip mounting slot is formed close to the edge of the rear end surface of the light guide plate; and chip LEDs are uniformly mounted on the luminous strip. In the invention, the tone of the television background wall can be adjusted according to the need of a user, the light rays of the luminous LEDs of different colors can be projected on the light guide plate so as to change the color of the television background wall, and the brightness of the television background wall can be adjusted; and since the wallboard is convenient to disassemble and assemble, the user can replace the wallboards of different patterns and colors to enrich the content of the television background wall, and the television background wall is suitable for different people.

The utility model provides a multifunctional stay wire bend elbow assistant tool, which comprises a telescopic labor-saving handle, a rotating shaft, an assistant plate, loose end protective block devices, a measuring and processing ruler, a rotatable, adjustable and telescopic jacking block device, stay wire tightening adjusting blocks, a placing bag, a stripping knife, a tightening belt, a son hook-and-loop fastener and a mother hook-and-loop fastener. Through the arrangement of the loose end protective block devices, wire inlet holes, pressing plates, fixing nuts and rotary bolts, the occurrence of the problem of loosening of wire ends when a stay wire head is being bent is effectively prevented, the operation is facilitated, so that the connection is more convenient; and through the arrangement of an arc-shaped plate, an arc-shaped hole, a jacking adjustable rod and a first-level adjusting bolt, the first-level adjusting bolt can be adjusted according to the bending requirement, the angle of the jacking adjustable rod can be rotated so as to make the bending effect better, thereby ensuring the bending effect.

The invention discloses chemical additive-free sunscreen spray which is prepared from the following components in parts by weight: 5 to 10 parts of a green tea extract, 6 to 12 parts of an aloe extract, 10 to 12 parts of an aloe extracting solution, 5 to 9 parts of a China rose extracting solution, 3 to 5 parts of a sophora flower extracting solution, 3 to 7 parts of jojoba oil, 2 to 4 parts of rose oil, 3 to 5 parts of almond oil, 0.2 to 0.4 part of citric acid, 14 to 18 parts of wool fat, 2 to 3 parts of hyaluronic acid, 1 to 2 parts of salicylic acid, 0.2 to 0.4 part of vitamin B1, 0.3 to 0.5 part of vitamin E and 50 to 60 parts of deionized water. The chemical additive-free sunscreen spray can be quickly absorbed by the skin within several seconds, and can achieve an effect of shielding ultraviolet rays and reduce injury of the ultraviolet rays to the skin; aloe in the raw materials can well repair the skin injured by the ultraviolet rays. The raw materials are all essence and oilwhich are extracted from pure natural plants, so that the chemical additive-free sunscreen spray does not have any toxic or side effects; furthermore, the chemical additive-free sunscreen spray is easy to prepare, long in sunscreen time and convenient to use.

The invention provides an amphibious vehicle hub, and mainly relates to the field of automobile parts. An amphibious vehicle hub comprises a wheel, the wheel comprises spokes, a rim and a center cylinder, the center cylinder is coaxial with the rim, and the spokes are connected between the rim and the center cylinder; a plurality of cavities are evenly formed in the spoke in the circumferential direction, a sliding cavity is formed in the center cylinder, an impeller disc is connected into the sliding cavity in a sliding mode, a plurality of sets of blades are arranged on the side, facing thewheel, of the impeller disc, and a telescopic power device is arranged between the impeller disc and the wheel. The amphibious vehicle hub has the beneficial effects that road driving and underwater driving of a vehicle can be achieved at the same time, the vehicle is transformed to the minimum extent, a transmission system of an existing vehicle does not need to be greatly transformed, the space,occupied by propellers, of the vehicle is saved, and the dead weight of the vehicle is reduced.

The invention relates to the technical field of mortar pipeline supporting, and discloses a mining mortar conveying pipeline supporting device convenient to disassemble. The device comprises a supporting table and a supporting pipe, wherein telescopic rods are vertically and fixedly welded to the four corners of the bottom of the supporting table; the outer walls of the four sets of telescopic rods are slidably sleeved with supporting pipes; supporting plates are transversely and fixedly welded between the bottoms of the outer walls of the two sets of supporting pipes at the left side of the bottom of the supporting table and the bottoms of the outer walls of the two sets of supporting pipes at the right side of the bottom of the supporting table; and threaded holes are vertically formed in the left sides and the right sides of the middles of the two sets of supporting plates in a penetrating mode. The length, extending out of an inner cavity of the corresponding supporting pipe, of each telescopic rod is adjusted, the position of each telescopic rod is fixed by tightening a limiting bolt, the supporting table is fixed to the needed supporting height, in the actual use process of the device, the height of a mortar conveying pipeline on the supporting table can be conveniently adjusted, and therefore the device is more suitable for being used in the environment with the uneven ground in the mine tunnel.

The invention discloses a multifunctional tool box for students. The box comprises a storage box body, a tool box body, a glasses box body, a balancing weight and a glasses box cover. The upper end ofthe tool box body is connected with a tool box cover, a check block is fixed into the tool box body, and the storage box body is placed on the check block; the glasses box body is arranged in the portion, below the check block, of the tool box body, the glasses box cover is connected to the upper portion of the glasses box body, the glasses box body and the glasses box cover are in a cylindricalshape after being closed, and the balancing weight is fixed to the inner wall of the bottom of the glasses box body. According to the multifunctional tool box for the students, the interior of the tool box body is divided into two parts for use, the upper part of the storage box body is used for storing school supplies, the lower part of the storage box body is used for containing the glasses boxbody, and it is guaranteed through the balancing weight in the glasses box body that when a first ball bearing and a second ball bearing are placed in the glasses box body, even the tool box body inclines or topples over, the glasses box cover is always kept upward, cleaning fluid in the glasses box cover is prevented from spilling, and glasses cannot fall down from a storage support; the multifunctional tool box is convenient to use, practical, diverse in function and suitable for being used by the students.

The invention discloses a dust exhaust apparatus for a container. The dust exhaust apparatus is formed by a handle rod, a stretchable rod, a motor installing rod, a sleeve rod, a sucking pipe, a tapersleeve, a sucking pipe clamp assembly and a dust collecting bag; one end of the handle rod is connected with a power line, the other end of the handle rod is connected with a fixed rod, one end of the sleeve rod is connected to the stretchable rod in a sleeving manner, the other end of the sleeve rod is connected to the cylinder end of the motor installing rod in a sleeving manner, a taper connector is arranged at the taper end of the motor installing rod, the taper sleeve is connected to the motor installing rod in a sleeving manner, a taper insertion opening is formed in the connecting endof the sucking pipe, and the taper insertion opening of the sucking pipe is inserted into the taper connector of the taper end of the motor installing rod; and a clamping rod is connected to the outerwall of a sucking opening end of the sucking pipe in a sleeving manner, and a tightening rod is connected to the clamping rod in a sleeving manner. The dust exhaust apparatus is provided with the stretchable rod, internal cleaning of the container with the small opening diameter and the large length can be achieved, even though the shape of the container is irregular, the better dust sucking effect can be achieved, the dust exhaust apparatus is very convenient to use, and the arranged stretchable rod is suitable for use of the container with the deep container.

The invention discloses a used fixing device based on cylindrical structure manufacturing. The used fixing device comprises a base, two vertical plates are arranged at the top of the base and positioned on two sides of an axis of the base, movable blocks are arranged in the vertical plates and cam vertically move in the vertical plates, adjusting rods are arranged on the movable blocks and horizontally connected with the movable blocks in a threaded manner, two supporting blocks are arranged at the top of the base and positioned between the two vertical plates and can move on the base towardsthe vertical plates, placing grooves are formed in the tops of the supporting blocks, strip-type grooves are formed in the vertical plates, two side walls of the vertical plates are communicated by the strip-type grooves, the movable blocks are positioned in the movable blocks, sliding grooves are formed in two sides of the inner walls of the strip-type grooves, and second sliders matched with the sliding grooves are arranged on two sides of the movable blocks and positioned in the sliding grooves and can move in the sliding grooves.

The raw material screening device for yak milk processing comprises a bottom plate and a material containing frame, the top of the bottom plate is fixedly connected with a device box, a feeding groove is formed in the bottom of the device box, sliding grooves are formed in the two sides of an inner cavity of the feeding groove, and the material containing frame is located on the inner side of the feeding groove; the invention relates to the technical field of yak milk processing. According to the raw material screening device for yak milk processing and the using method, a screening frame is installed in the device box, a worker pushes the screening frame back and forth through a push rod from the outside, raw materials with the same particle size are screened out, and residual large particles can be scraped to the outside of the device box through a scraper; through the arrangement of the structure, raw materials of particles with the same size can be effectively screened out, the raw materials can be better fused in the subsequent milk adding process, blocks cannot be generated, the quality is effectively improved, and meanwhile the screened large particles can be discharged in time.

The invention discloses a rotary advertising board. The rotary advertising board comprises a supporting mechanism and two symmetrically-arranged advertising board bodies which are sequentially connected from bottom to top. The supporting mechanism comprises a supporting frame and connecting mechanisms fixedly installed at the left end and the right end of the upper portion of the supporting frame,and the advertising board bodies are fixedly connected with the connecting mechanisms. Through the arrangement of a first supporting plate, a second supporting plate and a first hydraulic rod, the distance between the first supporting plate and the second supporting plate can be adjusted. Through the arrangement of a third hydraulic rod, the distance between a first adjusting plate and a second adjusting plate can be adjusted. Through the arrangement of the two advertising boards, the specification of a single advertising board can be adjusted, the two advertising boards can be combined for use, the specification of the combined advertising board can be adjusted, and the advertising board is suitable for advertising wallpaper of different specifications. Through the arrangement of a rotating mechanism, the turning direction of the advertising board can be adjusted conveniently and reliably.

The invention discloses a container inner wall drying device. The device comprises a handle, a control rod, a steering head, an air blowing hose, a clamping rod assembly, an air outlet nozzle and a telescopic rod; the steering head is divided into a fixing part and a mobile part, and the clamping rod assembly is composed of a clamping rod and a tightening rod which are in threaded connection; oneend of the control rod is connected with the handle, the other end of the control rod is connected with the fixing part of the steering head, the telescopic rod is composed of a telescopic end and a fixed end, the fixed end of the telescopic rod is connected with the mobile part of the steering head, and the telescopic end of the telescopic rod is connected with the clamping rod; one end of the air blowing hose penetrates through the telescopic rod and is inserted into the mobile part of the steering head, the other end of the air blowing hose is connected with the air outlet nozzle, and the clamping rod assembly is arranged at the end of the air blowing hose. The device is provided with a long rod part, and drying of water on the inner wall of a container with the small aperture and the long length can be met; by arranging a steering device, even though the container shape is irregular, the good drying effect can be achieved.