74results about How to "No leakage hazard" patented technology

In order to overcome defects and shortcomings in the prior art, the invention discloses a bath heater with a dehumidifying function. The bath heater comprises a dehumidifying module and a draught fan module; the dehumidifying module is provided with an air inlet and an air outlet, and a dehumidifying assembly is arranged in the dehumidifying module; the draught fan module is provided with an air inlet, a first air outlet and a second air outlet; an air supply motor provided with a turbine and a windshield mechanism used for switching an air way are arranged in the draught fan module, and the windshield mechanism enables the air direction of the air inlet to be switched between the first air outlet and the second air outlet; the first air outlet is provided with a heating device; humid air in a bathroom is firstly dehumidified through the dehumidifying module assembly to become dry air, and the dry air flows into the draught fan module through a connected-in plastic pipeline and then is supplied to an air supply assembly; air flowing through a heating element is the dry air, electricity leakage danger does not exist, elements are not prone to being rusted, and the service life of the bath heater is prolonged; and air in the bathroom can be dehumidified while heating is carried out, and the dehumidifying effect is greatly improved.

This invention discloses reconfigurable cipher coprocessor circuit, which contains memory module, control module and reconfigurable cipher process unit. Said reconfigurable cipher coprocessor circuit can realize various different cipher algorithm, making different user or same user selecting different algorithm indifferent time with strong adaptability and expansibility, in case of the cipher algorithm can not be used a new cipher algorithm is designed to replace the original algorithm to obtain higher safety.

The invention provides crystalline-type waterproof paint for preventing cement leakage, which belongs to the field of waterproofing work in constructional engineering, solves the technical problem of cement leakage prevention in the prior art, and is prepared from the following raw materials in weight ratio: 52.5 ordinary Portland cement, No. 95 granulated blast furnace mineral powder, penetrating agent, expanding agent, silica fume, quartz sand, modified bentonite, modified sodium silicate, complexing agent and crystallized precipitant. The cement-base waterproof paint provided by the invention enables concrete to be waterproof, is inorganic material, has the service life as long as concrete, improves concrete density to improve the concrete strength, and has the characteristics of low possibility of leakage, carbonization resistance, resistance to harmful substance permeation, simplicity in construction operation, low construction cost and the like.

The invention provides a thermally-insulated packaging mid-infrared-emitting panel (TIMEP for short) for heating and physiotherapy and a preparation method thereof. The mid-infrared-emitting panel comprises a top surface covering layer, a first gas thermal insulation layer, a first mid-infrared transmitting plastic thermal insulation layer, a second gas thermal insulation layer, a second mid-infrared transmitting plastic thermal insulation layer, a third gas thermal insulation layer, a first electric insulation layer, an electric-to-mid-infrared emission film layer, a second electric insulation layer and a bottom surface covering layer which are sequentially arranged in a laminated mode, wherein the mid-infrared transmissivity of the top surface covering layer and the thermal insulation layer is greater than or equal to 90%, the bottom surface covering layer is thermally insulated, and the mid-infrared emissivity is less than or equal to 10%; and the material of the electric-to-mid-infrared emission film layer comprises a low-cost coal-based nano carbon plastic compound. The innovativeness of the TIMEP is derived from unusual combination of the quantifiable attributes, the defect of high energy consumption of hot air convection heating is overcome through high thermal insulation, electricity can be efficiently transmitted to a user by converting to mid-infrared rays, and comfortable warm feeling and mid-infrared physiotherapy effect are provided for the user.

The invention specifically relates to phase-changing and temperature-adjusting wearable equipment, which comprises a wearable equipment main body and a plurality of phase-changing heat accumulation units which are arranged on the wearable equipment main body, wherein phase-changing materials are arranged in the phase-changing heat accumulation units; and the phase-changing materials are used for storing and releasing heat energy transmitted by an external environment. Through the technical scheme disclosed by the invention, heating and refrigerating under a power-off state are achieved.

The invention discloses a heat pump washing and drying all-in-one machine and a control method. The washing and drying all-in-one machine comprises a clothes washing system and a clothes drying system and further comprises a water heating system which can provide hot water during washing and / or a water cooling system which can provide condensate water during n drying. The water heating system and the water cooling system are both heat pump systems, the heat pump systems are used for heating water which is used in washing, the energy efficient ratios of the heat pump systems are high, energy consumption for heating washing water is reduced, the safety is high, electric leakage hazards are avoided, clothes are washed by hot water, and the clothes cleaning efficiency is high. When the washing water is heated, the temperature of the other part of water is reduced, such part of water is stored for condensation during drying of the clothes, the temperature of condensation water is reduced, the water consumption is reduced when the same condensation effect is achieved, and the water consumption for drying the clothes is also saved.

A modular PE pipe water activity platform comprises a PE pipe floating body, single-section floating raft platforms and a floating raft guardrail, wherein the PE pipe floating body is formed by connecting a plurality of hollow PE pipes of which both ends are sealed; each single-section floating raft platform is of a reinforced concrete structure; the single-section floating raft platforms and the PE pipe floating body are connected into a whole by a fixing frame; plurality of the single-section floating raft platforms are fixedly connected into a floating raft platform assembly; and the floating raft guardrail is fixedly installed on the floating raft platform assembly. According to the invention, the characteristics of light weight, corrosion resistance, long service life, capability of being recycled and high strength of reinforced concrete of the PE pipe are fully combined, manufacturing and construction are simple, safety and reliability are realized, and maintenance is simple. Due to the adoption of modular production and flexible assembly, the water-surface construction operation difficulty of a large platform is greatly reduced, the construction cycle is shortened, and economic benefits and environmental benefits are greatly enhanced.

The invention discloses an ultra-long concrete wall body structure and a method for controlling structural cracks by constructing a wall body. The ultra-long concrete wall body structure comprises a wall body, wherein cutting steel plates (3) are arranged on a concrete inner core layer (2) arranged between two layers of steel bar nets (1) of the wall body in the length direction of the wall body at certain intervals; the continuous concrete inner core layer (2) arranged between two layers of steel bar nets (1) is cut into concrete inner core units (4) by the cutting steel plates (3); a plurality of horizontal connecting steel bars (5) in different heights are welded on each cutting steel plate (3); two ends of each connecting steel bar (5) are provided with bending sections (5.1); and the two bending sections (5.1) of each connecting steel bar (5) are respectively welded with horizontal steel bars (1.1) of the two layers of steel bar nets (1). The method comprises the key step that the cutting steel plates (3) are arranged in the length direction of the wall body at certain intervals. The structure and the method disclosed by the invention have the advantages that the effective control can be realized on the structural cracks, and harmful cracks can be eliminated.

The present invention provides a radiation protection door structure which includes: door hanging device including hanging upper frame, guide way, fixed bolt and hanging lower frame; a groove that coordinates with the guide way is set on the upper end-face of the hanging upper frame and a circular hole is set on the lower end-face; a circular hole is set on the upper end-face of the hanging lower frame; the fixed bolt locks by passing through circular hole on lower end-face of the hanging upper frame and circular hole on the upper end-face of the hanging lower frame; the door includes: van-type frame, lead layer and boron containing polyethylene layer; the inner layer of the door is boron containing polyethylene layer, outer layer is lead layer and the outside of the lead layer is covered by van-type frame. The advantages are: a great volume of steel plate material and transport, hoisting cost is saved.

The invention discloses a solar energy and air source heat pump dual energy complementary domestic hot water supply system. According to the solar energy and air source heat pump dual energy complementary domestic hot water supply system, all-glass evacuated solar collector tubes, a thermal collection header and a collector support form a solar thermal collector unit, and a solar thermal collectorand a solar thermal collection water tank are connected through a pipeline to form a solar water heating system. Under the sunshine condition, the solar energy serves as a hot source to heat water inthe water tank, and when the solar irradiation amount cannot meet the requirement or in continuous overcast and rainy weather, an air source heat pump is started to carry out heating. The air sourceheat pump is connected with the constant-temperature water tank, an automatic temperature control state is set, and the air source heat pump is automatically started or stopped according to the temperature of the constant-temperature water supply water tank. By means of the solar energy and air source heat pump dual energy complementary domestic hot water supply system, energy is saved, and safetyand reliability are achieved.

The invention relates to a water constant temperature system of a self-adjusting culture pond, which comprises a culture pond (1), a constant temperature pump (2), a heat exchanger (3), a temperature dynamic detection and analysis control device (4), a water temperature probe (5) and a water circulating pump (6), wherein, the heat exchanger (3) is connected between the culture pond (1) and the constant temperature pump (2) through a pipeline; a pond water temperature signal detected by the water temperature probe (5) is transmitted to the temperature dynamic detection and analysis control device (4) for analysis and processing of the temperature signal; a control signal is output and transmitted to the constant temperature pump (2) for controlling operation of the constant temperature pump (2); the constant temperature pump (2) is an air energy heat pump; and the water circulating pump (6) is connected between the culture pond (1) and the heat exchanger (3). The water constant temperature system of the self-adjusting culture pond has the advantages of simple structure, low energy consumption, safety and reliability.

The invention discloses a liquid-cooling heat dissipation device for a heat pipe of a high-rate lithium-ion power battery module. The liquid-cooling heat dissipation device comprises a module housing1, a battery core 2, a pouring sealant 3, a cold end of a heat pipe 4, a heat pipe heat-insulating end 5, a hot end of the heat pipe 6, a water inlet 7, a water outlet 8 and a water tank 9; and the heat pipe 10 comprises the cold end of the heat pipe 4, the heat pipe heat-insulating end 5 and the hot end of the heat pipe 6. By using very high thermal conductivity of the heat pipe, a temperature difference between the surface of the heat pipe in the battery module and cooling water is extremely small to cool the battery module; the cooling water does not flow through the inside of the module, so that a leakage risk is avoided; and the liquid-cooling heat dissipation device is simple in structure, high in heat exchange efficiency and good in security.

The invention provides a material for preparing a long-life salt-fog test equipment box body. The material is characterized by comprising the following materials in parts by weight: 100 parts of phenolic aldehyde epoxy vinyl ester resin, 150-230 parts of mineral fillers, 0.8-1.5 parts of initiating agents, 0.5-1.5 parts of mould release agents, 0.8-1.4 parts of thickening agents, 1.8-2.5 parts of process auxiliary agents, 8-12 parts of salt-fog resistant nanometer additives and alkali-free chopped glass fibers which account for 15%-20% of the total amount of the mixture. The box body material provided by the invention has superior salt-fog resistant capacity and corrosion resistant capacity, thereby being capable of substituting for imported PVC (Polyvinyl Chloride) and PP (Polypropylene) plates; the box body material provided by the invention ensures that the equipment box body is sealed without being leaked by being formed through compression for one time.

The invention discloses a container for generating a heating effect by utilizing a mode of electromagnetic induction heating, which comprises an insulating adiabatic material body, wherein a nonmagnetic metal thin layer is arranged on an inner surface of the insulating adiabatic material body. The container provided by the invention has reasonable structure, high heating speed, good heat-insulation effect and no leakage of electricity, and is widely applied to people's lives.

The invention discloses a magnetic induction pipeline generator. The generator comprises a pipeline, a coil assembly and a permanent magnet assembly. The coil assembly and the permanent magnet assembly are located on inner and outer sides of an inner wall of the pipeline respectively. The pipeline generator of the invention can be used as a complete unit component for access use. Kinetic energy of a fluid in the pipeline is used to drive a permanent magnet and a coil to generate opposite magnetic induction line cutting motion so as to generate a current and electricity. As long as there is a fluid velocity, electricity can be uninterruptedly generated. Generated electric energy can be provided for an integration module of a measuring meter so as to emitting a signal. Output power is large. And the signal can be individually emitted to a total receiving point. Reliable power supply guarantee can be provided for an alarm system, a signal control system and the like on illumination and conveying pipelines. Integrity of the pipeline does not destroyed by current output so that a hidden trouble of pipeline wall surface leakage does not exist.

The invention discloses a large-capacity defrosting valve. The large-capacity defrosting valve is characterized by comprising a valve body (2), wherein an upper end cover (1) is connected to the valve body (2), a piston (6) is arranged in the valve body (2), the piston (6) is connected with a valve element (5), the upper end of the valve element (5) is connected with a tension spring (4), the upper end of the tension spring (4) is connected with the lower end of the upper end cover (1), the lower end of the valve body (2) is connected with a lower end cover (3), a first channel (13) and a second channel (14) are formed in the valve body (2), a third channel (15) is formed in the lower end cover, a fourth channel (16) is formed in the upper end cover (1), a power cavity (22) is formed between the piston (6) and the upper end cover (1), and a buffering cavity (21) is formed between the piston (6) and the valve body (2). When the large-capacity defrosting valve works, impact is avoided, the stability is high, the reliability is high, the service life is long, and the heating efficiency of an air conditioner is greatly improved.

The invention particularly relates to a safe long-acting temperature control device. The safe long-acting temperature control device comprises a temperature control device main body with a layered structure, wherein the temperature control device main body comprises a power supply interface, an electric heating layer, a first phase change energy storing layer and a lining thermal insulating layer; an electric heating element connected with the power supply interface is arranged on the electric heating layer, and the electric heating element is used for spontaneous heating under the action of an external power supply; the first phase change energy storing layer covers the upper surface of the electric heating layer and comprises a plurality of heat storing units, the heat storing units are arranged in a manner of being in contact with the electric heating element, phase change materials are arranged in the heat storing units, and the phase change materials are used for storing and releasing heat produced by the electric heating element; and the lining thermal insulating layer covers the upper surface of the first phase change energy storing layer and is used for delaying heat exchange between the first phase change energy storing layer and an external environment. Through the technical scheme, refrigeration and heating can be realized in a power outage state.

The invention relates to an automatic continuous gas-fueled tea leaf baking machine and a control method. The automatic continuous gas-fueled tea leaf baking machine comprises a PLC control unit, a baking unit, a feeding unit for automatically and quantitatively supplying tea leaves to the baking unit, and a discharging unit for automatically conveying the baked tea leaves of the baking unit to anext process. The automatic continuous gas-fueled tea leaf baking machine can execute automatic and quantitative feeding and automatic discharging, safety measures such as flame extinguishing alarming, gas leakage alarming and automatic gas supply stop in the baking process are achieved by adding a flame detector and a gas sensor, automatic and continuous tea leaf baking is achieved, the production efficiency and the continuity and safety of a production line are greatly improved, and safe production is ensured. In addition, the baking unit adopts an upper and lower heating combined gas heating way, and the tea leaf baking efficiency and the quality of tea are greatly improved.

The invention provides a drying waste heat reutilizing integration device which comprises a drying device (1), a medium treating device (2), a compressor (3), a sprayer (4) and a heat exchanger (6). Awaste gas outlet (13) is formed in the upper portion of the drying device (1). One end of the waste gas outlet (13) is connected with the medium treating device (2). The rear of the medium treating device (2) is connected with the compressor (3). The compressor (3) is connected with the heat exchanger (6) through a pipeline. The outlet end of the compressor (3) is connected with the sprayer (4).A starting heat source (5) is connected to a pipeline between the sprayer (4) and the heat exchanger (6). The heat exchanger (6) is connected with the drying device (1). According to the system, hot wet gas exhausted by the waste gas outlet (13) returns to the drying device again after being compressed, recycling of energy is achieved, the automation degree is high, and the device is environmentally friendly.

The invention discloses a preparation method of a tomato spotted wilt virus nucleic acid standard substance. The virus nucleic acid standard substance is prepared by the following steps of selecting agene conserved region as an amplification target region; designing primers and synthesizing; carrying out sequence amplification; constructing an expression vector; carrying out in-vitro transcription; measuring the concentration and diluting; performing split charging; and carrying out detection quantification. The standard substance prepared by the method has the characteristics of stability, no biological infectivity, wide application range and the like, and can be used for detecting the tomato spotted wilt virus by utilizing reverse transcription PCR and fluorescent quantitative PCR.

The invention provides a greenhouse using solar energy and PTC heating pieces. The greenhouse comprises a greenhouse, a control device, a heating device, an electrical storage device and solar electric plates, wherein the greenhouse comprises a transparent shed, a foundation wall, an insulating wall, a bracket, a heating device and a heat-preserving blanket; the foundation wall is positioned in the bottom of the greenhouse; the heat-preserving wall is positioned on one side of the foundation wall; heat-preserving cotton is further arranged on the heat-preserving wall; the transparent shed is connected to the heat-preserving wall and the foundation wall; the bracket is positioned at the upper end of the heat-preserving wall; the solar electric plates are supported on the bracket; the electrical storage device is positioned on the outer side of the heat-preserving wall; and the control device is arranged on the electrical storage device. The greenhouse provided by the invention can be heated by virtue of solar energy, so that resources are saved; a PTC heat sensitive ceramic resistor is quick to heat without a phenomenon of turning red if being heated, so that the safety is ensured, the electric leakage danger is avoided, the safety of the user is ensured, and the greenhouse can be heated by using electric power, and therefore, the greenhouse is good in applicability.

The invention discloses a welding technique for a multi-joint heterogeneous material and relates to the field of welding techniques. The multi-joint heterogeneous material comprises a multi-joint parent material body and a plurality of connecting pipes. Through the five main technological steps including selection of joint materials, assembly of a joint assembly, determination of welding technological parameters, welding and postweld treatment, the welding efficiency is high, a technological circuit is simple and reasonable, and production cost is low; different welding techniques are selected according to the connecting pipes made of different materials, welding is conducted once or multiple times, the welding sealing performance is good, welding is table, and leakage hidden dangers are avoided.

The invention discloses a rapid hole sealing device and method. The hole sealing device comprises a flow guide pipe, wherein at least two soft sealing plugs and at least one hole sealing agent tube located between the two adjacent soft sealing plugs are arranged on the outer wall of the flow guide pipe in a penetrating manner; each hole sealing agent tube is fixedly connected with the flow guide pipe, and a weak part allowing an expanding body to expand out is formed on each hole sealing agent tube; the soft sealing plugs are sealed and fixed in to-be-sealed drill holes through elastic deformation; the soft sealing plugs are movably mounted on the flow guide pipe in a movable sleeving manner through clearance fit, multiple first limiting elements are fixedly connected onto the flow guide pipe, one first limiting element is correspondingly arranged at the outer end of each soft sealing plug, and one first limiting element is correspondingly arranged at the inner end of at least one softsealing plug. The hole sealing method is implemented on the basis of the device. The rapid hole sealing device and method have the beneficial effects as follows: the hole sealing device is simple andreasonable in structure, the agent reaction is moderate, the combination is convenient, and the flow guide pipe of the hole sealing device can rotate and move back and forth in the hole for agent mixing; and the hole sealing method is convenient to operate, the hidden danger of leakage of hole sealing materials is avoided, and the hole sealing effect is good.

The invention relates to an inner-locking type tube fitting of a connecting rod structure device, and the inner-locking type tube fitting is used as a sealing tube fitting. The inner-locking type tubefitting comprises a blocking plug (1), a locking ring (2), a fastening bolt (3), a connecting rod (4), a connecting handle (5), a driving plate (6), a pin (7), an O-shaped ring (8), a spiral base (9), a fixed bolt (10), a four-way tube fitting (11) and a dowel pin (12). The design idea of the inner-locking type tube fitting refers to discarding a conventional connecting way, and a unique structure is designed for locking and sealing inside. The inner-locking type tube fitting has the effects that: firstly, the inner-locking type tube fitting is good in sealing effect in a product, does not have outer leakage hidden danger, is safe and reliable, is self-locked by a device on the blocking plug, does not need to open a pin hole in a tube fitting flange, keeps the integral integrity of the tube fitting flange, avoids the outer leakage hidden danger, and is safe and reliable in use; secondly, manufacturing difficulty of the tube fitting is reduced; and thirdly, mounting is convenient and quick.

The invention discloses a pitched roof mounting system for a solar thermal collector and a construction method of the pitched roof mounting system. The system comprises a pitched roof and the solar thermal collector arranged on the pitched roof, wherein the pitched roof consists of a structural layer, a cement mortar leveling layer, a waterproof pad layer, a heat preservation water drainage layer, transverse tile hanging wood bars and roof tiles, wherein the heat preservation water drainage layer consists of a heat preservation plate, wood carrying brackets I, longitudinal downstream wood bars and an aluminum foil coiled material; two-side concave-shaped water drainage ditches are formed between the solar thermal collector and the longitudinal downstream wood bars on the left side and the right side of the solar thermal collector; an upper-side concave-shaped water drainage ditch is formed between the solar thermal collector and transverse lap-joint wood bars; a lower-side concave-shaped water drainage ditch is formed between the solar thermal collector and the roof tiles on the lower side of the solar thermal collector. According to the system and the construction method which are disclosed by the invention, the construction technology is changed; the solar thermal collector can be firmly and stably mounted; the pitched roof has energy-saving and ventilating effects; the heat insulation and preservation efficiency of the pitched roof can be improved, and the surface of a building is attractive.

The invention discloses a water heater which utilizes the pressure of the running water as a prime power to heat the water flowing out from the running water. A water turbine changes the pressure of the water from a running water pipe into a rotary mechanical force. The mechanical force is transferred to a speed change gear set in a speed change gearbox through driving devices such as gears, a driving belt or chains. The low-speed rotating speed of the water turbine is changed into high-sped rotating speed through the speed change gear set. The tail end of the gear set is connected with a strong permanent magnet rotor, wherein the magnetic poles of a plurality of the strong permanent magnets are arranged around the circle center of the rotor and are arranged in a crossing manner; the magnetic poles of the rotor rotate at high speed opposite to a guide magnet water pipe; one end of the water pipe is connected with water flowing out after the water turbine finishes the working, and the other end of the water pipe is connected with a heat-insulating water tank. The permanent magnet rotor rotating at high speed leads electronic high-frequency of iron molecules and water molecules of water in the guide magnet water pipe and the water pipe to change the rotating direction (namely, the direction of the magnetic field changes ceaselessly) so as to produce the friction. The friction produces the heat, finally, the water is heated and the water after being heated flows to the heat-insulating water for later use.

The invention relates to the field of environmental protection, and especially relates to equipment for washing and purifying a waste gas by a plant extract. A waste gas purification device comprises a waste gas charging flow adjustment device, a washing tower and a washing liquid recovery and input device, wherein the washing liquid recovery and input device is composed of a washing liquid collection and storage tank, a pressure adjustment pump, a main tube, valves, branch tubes and atomization tubes; a washing liquid in the washing liquid collection and storage tank is subjected to pressure adjustment by the pressure adjustment pump, then conveyed into the main tube, and conveyed into the plurality of atomization tubes of a tower body by the plurality of branch tubes after passing through the plurality of valves, and a plurality of washing liquid atomization areas are formed in the middle of the washing tower; the to-be-purified waste gas is conveyed to the bottom of the tower, and the gas is conveyed into the washing tower through the washing liquid recovery and input device and adequately contacted by the atomized washing liquid in the plurality of atomization areas during the process of flowing upwards, and harmful ingredients in the gas are absorbed by the washing liquid. The device disclosed by the invention does not use a filler and a gas-liquid exchange tower disc, and has a large gas-liquid exchange area, and adequate absorption and purification, so that the waste gas purification device disclosed by the invention has the advantages of being simple in structure, economical and practical, safe and reliable, and good in washing effect.

The invention provides an assembled drainage device. The assembled drainage device comprises multiple drainage ditch units; each drainage ditch unit comprises a lower base plate, and two side plates correspondingly connected to two opposite ends of the lower base plate in the width direction; an accommodating cavity opened at the upper end is surrounded by the lower base plate and the two side plates; the multiple drainage ditch units are connected in sequence to communicate with the accommodating cavity; the upper ends of the side plates of the multiple drainage ditch units are leveled; a paving layer with a preset slope is arranged on the inner surface of the lower base plate of each drainage ditch unit in the length direction; and the paving layers in junctions of the adjacent drainageditch units are smoothly connected. The assembled drainage device can implement longitudinal drainage without depending on the terrain; and through connecting arrangement of the lower base plate and the two side plates, the drainage device achieves higher stability.

The invention provides an unlocking device made of a shape memory material and belongs to the field of space technology. By the adoption of the unlocking device made of the shape memory material, the problems that impulse is high, potential pollution hazards exist, the structural size is large, and redundant matter is generated are solved. The unlocking device made of the shape memory material comprises a screw, a spring, an axial check ring, a split washer, a base and an elastic pin. The spring is compressed and fixed to the upper bottom surface of the screw. The spring is sleeved with the axial check ring. The inner diameter of the spring is larger than the radius of the screw. The split washer is located between the screw and the axial check ring and between locating shaft shoulder of the screw and the base. At least one of the matched surfaces between the base and the split washer is a conical surface, and at least one of the matched surfaces between the shaft shoulder on the head of the screw and the split washer is a conical surface. The spring exerts axial force on the axial check ring and the screw, the axial check ring moves upwards along the screw, the split washer is free of radial constraint, the locating shaft shoulder of the screw exert the axial force on the split washer, and then the split washer moves in the radial direction. By the adoption of the unlocking device made of the shape memory material, no redundant matter is generated, an extra collecting device is not needed, a small structure is achieved, no pollution is caused, smoke leakage is not caused, and the problem of hidden danger caused by smoke leakage of initiating explosive devices is avoided.

The invention discloses a wall-mounted cantilever scaffold, which comprises bolts and a scaffold body. The bolts penetrate through the scaffold body, the scaffold body is a right triangle, a right-angle edge which faces to a beam is a rectangular connecting plate, the rectangular connecting plate is provided with through holes for mounting the bolts, one end of a crossbeam which is placed flatly is fixedly connected to the upper end of the connecting plate, one end of an oblique beam which is transversely obliquely disposed at an angle ranging from 150 degrees to 250 degrees is fixedly connected with the middle section of the bottom of the crossbeam, and the other end of the oblique beam is fixedly connected with the lower end of the connecting plate. The wall-mounted cantilever scaffold is mounted nearby a construction site and is particularly built during construction of a high-rise building, accordingly, consumed materials are few, and expense is saved. In addition, the scaffold body is mounted on the outer side of the beam, so that follow-up indoor construction cannot be affected. Besides, the wall-mounted cantilever scaffold is an integral structure, and is fine in rigidity, high in structural strength and load-carrying capacity and favorable for leading constructors to feel safer when the constructors work at high positions.