75results about How to "Does not affect walking" patented technology

The invention relates to a wearable lower limb exoskeleton rehabilitation robot. A hip joint component comprises a motor, a harmonic reducer and an output shaft, wherein the motor is connected with the output shaft by virtue of the harmonic reducer, the output shaft is connected with thigh components by virtue of keys, and motor torque is transmitted. The two thigh components are connected together by virtue of a mooring rope passing through a back component, and gravity center shift in a walking process is utilized for helping bulking and extension of each hip joint. The bulking and extensionof each hip joint are driven by adopting the motor and are helped by adopting the mooring rope, and the structure not only reduces weight of an exoskeleton but also converts potential energy of the gravity center shift in the walking process of a human body into kinetic energy of thighs swinging forward, so that energy loss is effectively reduced, and power consumption of the motor is reduced. Each knee joint is designed to be a four-bar mechanism, the stability of a standing phase and the flexibility of a swinging phase are guaranteed. A knee-ankle linkage mode enables a wearer to naturallybuckle the knee joints when swinging and automatically lock the knee joints when standing. A gas spring mechanism is adopted for providing help for conversion of sitting and standing postures.

The duplex multichannel intelligent capsule wireless endoscope system includes intelligent capsule endoscope for digestive tract, and image recording and intelligent capsule controlling instrument. The present invention features the image recording and intelligent capsule controlling instrument with microprocessor connected to control keyboard and display screen or connected to PDA via RS232 or USB interface, radio transceiving module communicating with RF transceiving module in the intelligent capsule endoscope in duplex multichannel mode. The system can realize in-situ real-time image observation and real-time on the capsule endoscope and can operate in complicated environment without interference. Therefore, several systems may operate simultaneously to reduce the amount of the intelligent capsule workstations for flexible use; and stereo image may be realized to raise the disease focus detecting rate.

The invention relates to a massage chair. The massage chair comprises a backrest rack, a cushion rack, a seat rack, an electric push rod and a massage core, wherein backrest rail beams are arranged on two sides of the backrest rack, cushion rail beams are arranged on two sides of the cushion rack, continuous racks or chains are fixed to the backrest rail beams and the cushion rail beams, the ends, close to the backrest rail beams and the cushion rail beams, of the racks or chains are provided with suspended sections, and the suspended sections can be bent and straightened along with the angular adjusting of the backrest rack and the cushion rack; gears or sprockets on the traveling shaft of the massage core mesh with the corresponding racks or chains, and the meshing states are kept by abutting mechanism abutted against the lower sides of the racks or chains. The massage chair has the advantages that the massage core can constantly travel between the backrest rack and the cushion rack, both sit-lie angle adjusting and traveling massage are achieved, and massage comfortableness is increased.

The invention discloses a cylinder support type exoskeleton chair comprising a waist bounding strip, two skeleton frames and two gas springs; each thigh bar frame is provided with a lower support frame; each crus bar frame is provided with an upper support frame; each upper support frame is provided with an upper transition frame; each upper transition frame is hinged with the upper support framethrough an upper hinge shaft; each cylinder body is hinged with the lower support frame through a lower hinge shaft; each piston bar is connected with the upper transition frame; the lower end of eachthigh bar frame is hinged with the upper end of the crus bar frame, the lower end of each crus bar frame is connected with a foot frame board through a bottom connection rod, each bottom connection rod is hinged with the crus bar frame, each thigh bar frame is provided with a thigh bounding strip, each crus bar frame is provided with a crus bounding strip, and the upper end of each thigh bar frame is provided with a hip sit board. The cylinder support type exoskeleton chair has the beneficial effects that the cylinder support type exoskeleton chair has reasonable structure, can be directly worn, does not affect walking, also can provide support when people need to sit down and squat down, can make workers in a sitting position, and reduces the labor intensity of the workers effectively; and switching of a locking state and an unlocking state is simple, and the operation is convenient.

The invention provides a coke oven riser tube replacement apparatus and a coke oven riser tube replacement method, and especially relates to a coke oven riser tube replacement apparatus and a coke oven riser tube replacement method applied in the field of coke oven production. The coke oven riser tube replacement apparatus provided by the invention has the advantages of simple structure, shortening of the unkeeping time, and maintenance of the coke oven production continuity, and comprises a coal car, a fixed stand column, a rotating stand column, a crane and a transverse arm. The coke oven riser tube replacement method can reduce the danger of replacement working, and comprises the following steps: 1, rotating the transverse arm to a position above a riser tube to be replaced; 2, hoisting the riser tube to be replaced; 3, moving out the riser tube to be replaced; 4, moving a new riser tube to a position to be installed, and installing; 5, rotating the transverse arm to the initial position, and fixing. A rotatable cantilever crane in the invention has the advantages of simple structure, low cost, realization of no influences on the use performances of the coal car, coal car walking or normal production of a coke oven after installation, and flexible usage.

The invention relates to a vehicle knapping machine which comprises a motor vehicle assembly, a universal mechanism, a pushing mechanism, knapping machines and a pressure station, wherein the pushing mechanism is hung at the lower side of a vehicle frame of the motor vehicle assembly by the universal mechanism; the heights, whole gradients and feeding angles of the knapping machines which are arranged in parallel are respectively adjusted by a driving rod in the universal mechanism. According to the vehicle knapping machine, the pushing mechanism is hung at the lower side of the vehicle frame by the universal mechanism and can be lifted for adjustment, so that the knapping machines are close to the ground for operation, and the aims of cleaving and carving the bottom of rock can be realized; the vehicle knapping machine is compact in whole structure, low in center of gravity and good in walking stability; the plurality of knapping machines which are arranged in parallel are driven to synchronously go forward by a pushing cylinder, so that the efficiency is high, and the labor and the time are reduced; the vehicle knapping machine is especially suitable for mine stone exploitation and cleaving the base of the cut sectional material.

The invention discloses an aluminum profile surface treatment bath solution stability control system and a control method thereof and relates to the technical field of aluminum profile production equipment. The aluminum profile surface treatment bath solution stability control system comprises a surface treatment system formed by sequentially arranging a plurality of process tanks in a line, a trolley track which is arranged above the surface treatment system in parallel, a crane which is driven by a power mechanism and can walk on the trolley track and a PLC controller; a water liquid tank is also formed between every two process tanks; first travel switches for determining the stopping position of the crane are also arranged on the trolley track; and the first travel switches are arranged above the water liquid tanks and are connected with a crane braking device and the PLC controller respectively. According to the aluminum profile surface treatment bath solution stability control system, the addition quantity of a medicine and water consumption of a material per ton can be effectively lowered.

The invention discloses a windrow composting aeration system which comprises a groove and a gas pipe, wherein the groove is formed in a pre-composting ground along a windrow orientation and has a width smaller than that of wheels of a turning and throwing machine; the gas pipe is laid at the bottom of the groove; a plurality of aeration notches are formed in a pipe wall of the gas pipe; other parts in the groove are filled with rice husks. The windrow composting aeration system provided by the invention has the functions that gas is supplied by the gas pipe rather than the groove; the gas pipe does not interfere with turning and throwing, can supply gas without blockage, can discharge accumulated water automatically, and the like, so that the windrow composting aeration system is more sufficient in the amount of supplied oxygen, rapid to heat up, high in fermentation temperature, short in fermentation period, rapid in material turnover, and high in productivity.

The invention discloses a gear positioning type exoskeleton chair comprising a waist binding strip and two skeleton frames arranged symmetrically; each skeleton frame comprises a thigh bar frame, a shank bar frame and a foot stand board; each thigh bar frame is provided with a thigh binding strip, each shank bar frame is provided with a shank binding strip, and the upper end of each thigh bar frame is provided with a haunch sitting board; each shank bar frame is provided with a fixed gear arranged coaxially with a hinge shaft; each thigh bar frame is provided with a fixed gear rack which can be meshed or separated with the fixed gear; when operation rods are clamped tightly with upper gear slots, the fixed gear racks are separated with the fixed gears; when the operation rods are clamped tightly with lower gear slots, the fixed gear racks are meshed with the fixed gears. The gear positioning type exoskeleton chair has the beneficial effects that the gear positioning type exoskeleton chair has reasonable structure, can be directly worn, does not affect walking, also can provide support when sitting and squatting are needed, can make workers in a sitting position, and reduces the labor intensity of the workers; and switching of a locking state and an unlocking state is simple and the operation is convenient.

The invention provides a method for constructing a fiber blanket protective layer for a furnace. The method comprises the following steps of: welding a pulling rod on the inner wall of the furnace, pressing a fiber blanket on the furnace wall with the welded pulling rod; sleeving a sleeve in a hole drilled on a stainless steel plate, putting the stainless steel plate sleeved with the sleeve close to the welded pulling rod, and pressing the stainless steel plate into the furnace inner wall of the fiber blanket protective layer; sleeving the screw part of the pulling rod into the sleeve in the hole of the stainless steel plate; removing the sleeve, and screwing a nut on each screw exposed out of the hole of the stainless steel plate while removing each sleeve until sleeves on the whole stainless steel plate are removed; and uniformly adjusting the screwing degree of the nuts to compress the stainless steel plate until the fiber blanket meets the compactness requirement. The method has the advantages of simple construction, accurate positioning of the pulling rod, convenient adjustment of the compactness of the fiber blanket under the protective plate by adopting screw adjustment, and flat surface of the constructed protective plate without influencing the walking of a steel band in a hearth.

The invention relates to a transdermal patch (or poultice) with functions of expelling wind and removing dampness and reducing swelling and easing pain and a preparation method thereof; the transdermal patch is composed of a backlining layer, a medicine storage layer and an anti-sticking layer; the medicine storage layer comprises the following ingredients: 20-30 percent of framework material, 22-32 percent of tackifier, 25-35 percent of stuffing bulking agent, 6-13 percent of lubricating agent, and 6-13 percent of medicine, the medicine mainly comprises more than 30 kinds of extract prepared by traditional Chinese medicines, such as suberect spatholobus stem, spathodea campanulata, schefflerakwangsiensis, climbing entada, Ilex godajam dry skin, fissistigma polyanthum and the like, the medicines are pasted to obtain tongzhongling transdermal patch the according to the process steps and the mixing proportion; as no solvent is used in the production, the production cost is reduced by 1 / 3, the pesticide effect is improved, the drug administration times are reduced, the usage is convenient, cutaneous anaphylaxis is reduced, and the compliance of patients is improved; the tongzhongling transdermal patch has the effect of expelling wind and removing dampness and reducing swelling and easing pain and is clinically used for rheumatoid arthritis and traumatic injury.

The invention discloses a hidden underground parking device. The device comprises a box body, a lifting device, a control device and a maintenance plate; the lifting device comprises a cover plate, aparking plate, two sets of supporting rods, lifting connection rod components and counterweight devices; one side of the cover plate is connected with one side of the top of the box body, one end of each supporting rod is connected with the cover plate through a pin base, and the other end of each supporting rod is connected with the parking plate through a pin base; two sets of counterweight devices are connected to two sides of the bottom of the parking plate through fixed buckles; multiple sets of lifting connection rod components are arranged in the center of the bottom of the parking plate, and the maintenance plate is arranged on the parking plate; the control device comprises an unlocking switch on the box body and ratchet pawls on two sides of the box body, a plurality of ropes arearranged on the unlocking switch, and the ropes are connected with the ratchet pawls and the lifting connection rod components through a plurality of fixed pulleys. According to the hidden underground parking device, parking can be completed only through simple tension-compression motion, the device is simple and easy to operate, the safety of vehicles can be guaranteed, and meanwhile walking ofpedestrians on the ground cannot be influenced.

The invention discloses a food cold closet capable of reducing cool air loss for refrigeration engineering. The food cold closet capable of reducing cool air loss for refrigeration engineering comprises a closet body, closet side plates and a closet bottom plate, wherein a refrigeration ion is connected to the right side of the closet body, a screw compressor is installed in the refrigeration part, the right side of the screw compressor is connected with an evaporator through a connecting pipe, and a condenser is connected to the left side of the screw compressor through a connecting pipe; anelastic switch is arranged in the left side of the closet body and suction fans are fixedly arranged in the closet side plates; suction hoods are connected with the left sides of the suction fans through suction pipes, and the right sides of the suction fans penetrate through the closet side plates through exhaust pipes; and connecting grooves are formed in the surface of the closet bottom plate.According to the food cold closet capable of reducing the cool air loss for the refrigeration engineering, when a closet door is opened, the suction fans inside the side plates work, the dissipated cool air can be sucked back into the closet body, the leakage of the cool air is effectively reduced, heat preservation of the closet body is achieved effectively and the problem of the dissipation of cool air can be avoided.

The invention provides a floor drain realizing a firm mounting effect. The floor drain comprises a floor drain base frame fixedly mounted in the ground and a floor drain cover, wherein the floor drain base frame is provided with a mounting groove used for mounting the floor drain cover and a water passing hole positioned below the mounting groove, locking holes are arranged in the side wall of the mounting groove in a left-right symmetric manner, sliding grooves with end openings facing the outside are arranged on two sides of the floor drain cover in a left-right symmetric manner, water flowing holes penetrating vertically are arranged in the floor drain cover, an odor-resisting device is arranged on the lower end surface of the floor drain cover in a threaded match manner, an operation and control cavity is arranged in the floor drain cover, a vertical sliding groove extending vertically is arranged in the operation and control cavity, penetrating grooves communicating with each other are arranged between the sliding groove and the operation and control cavity, a locking arm is mounted in the sliding groove in a sliding manner, a drawing arm is fixedly mounted at the inner side end of the locking arm, and a lifting sliding block is mounted in the vertical sliding groove in a sliding manner. The floor drain realizing the firm mounting effect provided by the invention is simple in structure, and extremely convenient to mount and dismount.

The invention discloses a swing door adjustable positioner. The swing door adjustable positioner comprises a shell, a structural frame, an upper washer, a telescopic head, a non-slip loop, a sliding gear, a positioning magnet, a door leaf and a floor tile, and is characterized in that openings are formed in the lower part and the back face of the shell, and the shell is used for covering the structural frame; an adjusting knob support and a positioning foot are arranged on the structural frame, and a lower opening, a middle opening and an upper opening are formed in the middle of the structural frame; a limiting bulge is arranged on the side wall of the upper opening, a sliding cavity is formed in the lower face of the upper opening, and a through hole is formed in the middle of the sliding cavity; an inner cavity is formed in the end of the structural frame; the upper washer is arranged on the upper part face of the lower opening, and a lower washer is arranged on the lower face of the lower opening; and a square shaft arranged on the upper part of the telescopic head penetrates through a hole in the top of the inner cavity and an inner hole in the middle of the upper washer, andthen penetrates through a square hole in the middle of the sliding gear and an inner hole in the middle of the lower washer, and then a threaded rod arranged on the upper part of the square shaft penetrates through the through hole to be screwed into a threaded hole of a sliding block to be fixed. Through performance of the magnet, the positioning magnet is mounted on the ground to position a swing door.

The invention discloses an autonomous lift-up parking platform. Aiming at solving the problems that a driver autonomously drives a vehicle into a pavement and cannot park the vehicle regularly, and consequently the pedestrian walking space of the pavement is seriously occupied, or the driver autonomously drives the vehicle into a roadside lawn, and consequently plants are destroyed, or an existingpublic parking spot difficultly achieves double-layer or multi-layer parking, the autonomous lift-up parking platform for relieving and even omitting the difficult problem of increasing the vehicle height during moving through autonomous increasing of the height of the vehicle during parking is designed. The autonomous lift-up parking platform is simple in structure and low in production cost, can be promoted quickly and widely, and makes full use of part of space, in an idle state, between an urban road and the pavement, normal travelling of vehicles on the road is not affected, walking of pedestrians on the pavement is not affected either, thus the idle space can be fully utilized to give play to economic value, the whole vehicle parking and starting processes are completed by the autonomous lift-up parking platform instead of vehicle driving by the driver, thus vehicle parking is very standard, and the city appearance is beautified advantageously.

The invention discloses a socket, comprising a socket, wherein the socket is provided with a two-line socket, a three-line socket, a power supply switch, a socket fixation screw hole and a hook. The socket with a hook has the beneficial effect that a power supply plug which is not used within a long time is hung on the hook so as to not affect walking or beautification. The socket has the advantages of simple structure, convenience in use, low cost and convenience in batch production.

The invention belongs to the technical field of electrician safety belt matching equipment, and particularly relates to a steel pole and iron tower anti-slip climbing shoe. A limiting device for limiting a climbing shoe body to a climbing object fixing point is arranged at the bottom end of the climbing shoe body. The steel pole iron tower anti-slip climbing shoe solves the problems that protective measures are not taken on feet of operators in power supply enterprises and construction units in the steel pole and iron tower climbing process, the operators easily fall from high places when ice, snow, frost and mud exist on poles and towers, and accordingly human casualty accidents are caused in the prior art. The steel pole and iron tower anti-slip climbing shoe has the advantages that falling accidents of pole and tower climbing operators are effectively avoided, the feet of the operators are effectively limited to the climbing object fixing point without affecting ground walking of the operators, and the problem of high falling rate in the steel pole and iron tower climbing process is thoroughly solved.

The invention discloses a medical nursing wheelchair, and belongs to the technical field of medical nursing. The medical nursing wheelchair comprises a seat, a chair back, a left side plate and a right side plate, the seat is connected with the chair back, the left side plate and the right side plate respectively, and the medical nursing wheelchair also includes a front wheel and a rear wheel; oneend of the seat slides in the chair back, and the other end of the seat is fixed on a protrusion on the left side plate and a protrusion on the right side plate; and the rear wheel is provided with amechanical brake device. The seat can be flexibly folded and put down without affecting patient walking during standing activity, a patient can rotate an adjusting rotary knob to change the state ofthe brake device, so that the rear wheel of the medical wheelchair can switch a free rotation state, a forward-only state, and a locked forward-backward state back and forth, and the wheelchair is simple to operate and convenient for the patient to use, and solves the technical problems that a current medical nursing wheelchair or rehabilitation equipment in a hospital is not easy to drive and noteasy to control, cannot realize effective braking and cannot prevent back.

The invention discloses a ditch sludge cleaning device for staged treatment of water conservancy construction. The ditch sludge cleaning device comprises a machine body, a double-shaft motor, a rotating motor and a sludge suction pump; the double-shaft motor is installed on the inner side of the top of the machine body in an embedded mode, the output end of the double-shaft motor is connected witha traveling wheel through a belt, and a traveling wheel is connected to the outer side of the bottom of the machine body through a shaft; the output end of the double-shaft motor is in transmission connection with a guide rod through bevel teeth, one end of the guide rod penetrates through the bottom of the machine body and is located in a telescopic frame, the inner side of the bottom of the telescopic frame is in threaded connection with a telescopic column, a positioning ring is placed in a positioning groove, a movable rod is connected into a mounting column through the shaft, the bottomof the movable rod is in transmission connection with a limiting rod through the bevel teeth, and an excavating column is connected to the outer side of the bottom of the mounting column through the shaft. According to the ditch sludge cleaning device for the staged treatment of water conservancy construction, sludge is crushed through traveling power of a machine, suction of a sludge suction pipeis facilitated, and meanwhile the sucked sludge can be screened.

The utility model discloses a limiting mechanism of an automobile lower back door, which comprises a sleeve which is provided with an opening end and is fixed with the lower back door, an inhaul cable which is provided with one end extending out of the opening end of the sleeve and is arranged in the sleeve in a telescopic mode, and a guide piece which is arranged at the opening end of the sleeve. The small end of the through cavity structure is communicated with the open end of the sleeve, and the inhaul cable penetrates through the through cavity structure and is in sliding contact with the inner wall of the through cavity structure and the end of the large end. The through cavity structure does not affect passing of the inhaul cable, the side wall of the outlet end of the sleeve is expanded outwards through the through cavity structure, the bending radius of the inhaul cable is increased, when the lower back door is completely opened, the inhaul cable is just matched with the long side position of the large end of the through cavity structure at the moment, the minimum bending radius of the inhaul cable at the bearing position is increased, and the service life of the inhaul cable is prolonged; and the operation durability of the whole limiting mechanism is improved.

The invention provides a stand column-board bolt fixing type compact shelve. The compact shelve comprises a cabinet body, fixing round steel, shelves, a handle, a chassis bracket, a shaft lever, a handle, a supporting beam, stopping devices and a transmission device. The cabinet body consists of the fixing round steel, the shelves and the chassis bracket. The handle is connected with the transmission device; the transmission device comprises idler wheels and shaft levers; the idler wheels slide on sliding rails mounted on a ground rack floor; the tail ends of the sliding rails are provided with the stopping devices; and the sliding rails are mounted in an embedded manner. The stand column-board bolt fixing type compact shelve is applicable to a large-scale file storehouse and used for storing heavier materials. Furthermore, the stand column-board bolt fixing type compact shelve is convenient for access to materials and is labor-saving. The mounting manner of the sliding rail does not influence the walking of people.

The invention relates to a transformer substation operation and maintenance system, which comprises a camera shooting device, wherein the camera shooting device comprises a track; a walking frame capable of walking along the track under the driving of a driving device is arranged on the track; the walking frame is provided with a camera used for shooting the condition of indoor equipment of the substation and information of a display screen on the switch cabinet; a charging bin is further arranged in the substation chamber; one end of the track extends to the charging bin; a controller, a storage battery and a charging contact pin for charging the storage battery are fixedly arranged on the walking frame; a jack matched with the charging contact pin in a charging manner is formed in the charging bin; when the walking frame walks to one end of the charging bin, the charging pin is inserted into the jack; the controller comprises a wireless communication module capable of communicating with a background control center; and the storage battery is electrically connected with the controller and the charging pin, and the controller is electrically connected with the camera and the driving device. Through the design of the storage battery and the charging bin, the operation and maintenance system can continue to work in a power failure state, and the condition of the substation is better monitored.

The invention relates to a high-precision motor drive type intelligent household socket panel, improvements are made on an existing socket panel structure, a motor drive type two-sided jack structure is introduced, based on a pressure detection result of a pressure sensor (6), through a specifically designed motor drive circuit (8), a designed motor rotating shaft (7) is intelligently controlled, automatic opening and closing of a panel body (1) is realized, a second jack area (4) is designed on the reverse side of the panel body (1), and combined with an internal area of a bottom case (2), electricity-taking working equipment is connected with jacks in the second jack area (4) to work, and is placed in the internal area of the bottom case (2), thereby realizing a perfect match of small-sized independent electricity-taking working equipment. Through the high-precision motor drive type intelligent household socket panel designed by the invention, the work efficiency of the small-sized independent electricity-taking working equipment is effectively improved, and walking of others or placement of articles is not influenced.

The invention relates to an iron stand bed, in particular to an area-variable storage type iron stand bed. The technical problem is how to design the area-variable storage type iron stand bed which can be folded, does not occupy space, does not influence walking of people, is variable in area and enables multiple people to sleep together. The area-variable storage type iron stand bed comprises a base, wherein a supporting cabinet is fixedly connected to the middle of one side of the base; and a rotating plate rotationally connected between the two sides, close to the base, in the supporting cabinet. A first bed board and a second bed board are pulled to swing upwards into the supporting cabinet, then the supporting mechanism is pushed to be stored in the first bed board and the second bed board, and the first bed board and the second bed board swing upwards to drive the storage mechanism to move to a proper position through the rotating plate, so that space is not occupied, and walking of people is not affected.

A splay foot orthosis comprises two leg brackets and a bracket connecting bracket fixedly arranged between the two leg brackets, A support connecting bracket has an arcuate structure, A leg bracket includes a thigh support plate, A leg support plate and a knee attachment plate, The upper leg support plate is composed of a thigh fixing plate and a thigh adjusting plate, the lower leg support plateis composed of a lower leg fixing plate and a lower leg adjusting plate, the upper ends of the two thigh fixing plates are fixedly connected by a support connecting frame, the lower ends of the two lower leg fixing plates are each hinged with a foot rest, and the thigh support plate, the lower leg support plate and the foot rest are all provided with binding bands; A leg support plate, a lower legsupport plate, a foot rest and a corresponding restraining band are used for fixing the legs of a patient, overcoming the phenomenon of knee valgus and knee valgus when walking, so that the eight-shaped foot is gradually corrected, the walking is not affected, and the foot support is convenient to wear.

The invention discloses a permanent road water atomization spraying system and belongs to the field of urban infrastructure construction and environmental protection. The permanent road water atomization spraying system is based on the urgent need of environmental protection, certain scattered technologies in the industry are combined together, and the permanent road water atomization spraying system is composed of sub systems such as the water atomization spraying sub system, the pipeline sub system, the water source pressurizing sub system and the automatic control sub system. The permanentroad water atomization spraying system is designed and mounted in infrastructures such as the lower portions of roads, overpasses and isolation fences, the headache of road dust flying is permanently,scientifically, safely, accurately and effectively solved, and meanwhile various disadvantages caused by a spraying car are eradicated; and the permanent road water atomization spraying system is advanced in design, simple in structure, easy to achieve and capable of being automatically controlled and greatly reducing the cost for treating the public hazard of haze, and has very good market prospects and social benefits, and the government is advised to conduct active promotion.

The invention relates to the technical field of constructional engineering, in particular to a staircase step plate with corners protected. The staircase step plate comprises a step plate body and a first steel angle which is fastened to corners of the step plate body and which is non-equilateral but equally thick. A second steel angle provided with a horizontal slot is connected to the first steel angle. The side length of the second steel angle is smaller than that of the first steel angle. The corners of the staircase step plate are protected according to the technical scheme, so that the service life of the staircase step plate is prolonged.

The invention provides a drying device. The drying device comprises a main body; an end cover is arranged at the upper end; a drying fixed frame is arranged in the main body; a temperature monitor and a humidity monitor are arranged in the main body, and are both electrically connected with a control box; the control box is arranged at the external of the main body; and an air replenishing machine and a vacuum pump are arranged out of the main body, and are both electrically connected with the control box. The drying device can keep dry environment through automatic control of temperature and humidity, and facilitates long-time storage.