104results about How to "Cause personal injury" patented technology

The invention discloses a falling object impact test apparatus (2). The falling object impact test apparatus (2) comprises: a support (21); a third stay cable (23), which is arranged on the support (21); and a drop hammer (24), which is fixed on the third stay cable (23); besides, the falling object impact test apparatus also comprises a guiding framework (25), which is fixed on the support (21) and is vertically arranged along a falling path of the drop hammer (24). In addition, the invention also discloses a cab integrated test system including a testing stand and the falling object impact test apparatus (2); and the support (21) is installed on the testing stand. According to the above-mentioned technical schemes provided in the invention, the guiding framework that is vertically arranged along the falling path of the drop hammer can effectively guide the drop hammer to be always maintained at a vertical direction, so that the drop hammer can fall at a predetermined position accurately; and moreover, working personnel will not be harmed.

The invention relates to the technical field of virtual reality and discloses a method and system for avoiding realistic environment obstacles based on a VR (Virtual Reality) game. The method comprises the following steps: when a smart cell phone detects obstacle distance information through a distance sensor, sending the distance information to VR equipment; after the VR equipment receives the distance information, judging whether the distance from the obstacles is smaller than a pre-set threshold value or not; and if judging that the distance from the obstacles is smaller than the pre-set threshold value, reminding a user that the obstacles exist in a front realistic environment. By detecting the obstacle distance through the cell phone, the related information is transmitted to the VR equipment after the obstacles are detected; the VR equipment is used for rapidly magnifying an image in a view field range or carrying out safety prompt through sounds; and corresponding measures are adopted through visual pressure sensation or sound safety prompt, so that the obstacles in the front realistic environment are avoided and personal injuries are avoided.

The invention discloses an automatic bending device and method for a magnetic levitation long stator coil. The automatic bending device comprises a first motion mechanism, a second motion mechanism, athird motion mechanism and a control device. The motion relation of the first motion mechanism, the second motion mechanism and the third motion mechanism is controlled through the control device, automatic operation of bending a cable into a magnetic suspension long stator coil is achieved, the bending efficiency and the bending precision can be improved, and the labor cost is reduced.

The invention provides a creepage detection circuit. The creepage detection circuit comprises a rectifying branch circuit, a capacitor, a bidirectional thyristor and an alarm module, wherein the rectifying branch circuit is electrically coupled to an equipment casing and consists of a resistor and a diode which are serially connected with each other; one electrode of the capacitor is electrically coupled to the rectifying branch circuit, and the other electrode of the capacitor is electrically coupled to the zero line end of a power socket; the bidirectional thyristor is electrically coupled to the capacitor; and the alarm module is electrically coupled to the capacitor and the bidirectional thyristor. When the equipment casing has a creepage phenomenon, the capacitor executes circulating operation of charging, discharging and recharging; and when voltage at the two ends of the capacitor is more than or equal to starting voltage of the bidirectional thyristor, the bidirectional thyristor is switched on and the alarm module outputs an alarm signal. After adoption of the creepage detection circuit, when the equipment casing has the creepage phenomenon, creepage voltage charges the capacitor, and when the voltage at the two ends of the capacitor is more than or equal to the starting voltage of the bidirectional thyristor, the bidirectional thyristor is switched on and the alarm module outputs the alarm signal, so that an operator is protected from personal injury caused by creepage of the casing.

The invention relates to anexplosion-proof equipment, particularly to an explosion-proof equipment for charging the air chamber of the switchboard. The explosion-proof equipment of the charging switchboard includes a rupture membrane frame, comprising a frame and a blocked side of the partition frame port arranged on the frame, wherein a pressure release port is arranged on the air chamber of the charging switch and the frame is arranged on the pressure release port; a sealing ring, arranged on the outside of the rupture membrane frame and the circumference of the pressure release port; a rupture membrane, arranged on the sealing ring for sealing the frame port of the frame; a pressboard, fastened on the circumference of the pressure release port for fastening the rupture membrane and the sealing ring on the circumference of the pressure release port. The device can prevent the explosion accident of the air chamber when the air in the air chamber of the charging switchboard releases with certain pressure.

The invention provides an ash removing device and method for a fiber drawing furnace. The ash removing device comprises a gas guide-in device, a negative pressure suction device and a pressure control device, wherein the top of the gas guide-in device is connected with the bottom of the fiber drawing furnace in a sleeving manner; the bottom of the gas guide-in device is connected with a lower furnace tube in a sleeving manner; the negative pressure suction device is arranged on the top of the fiber drawing furnace and communicates with an upper furnace tube; the pressure control device comprises a pressure detector, a PLC and a pressure adjuster; the pressure detector is arranged in the gas guide-in device; the pressure adjuster is arranged in the negative-pressure suction device; an input end of the PLC is connected with the pressure detector; and an output end of the PLC is connected with the pressure adjuster. By the ash removing device and method for the fiber drawing furnace, ash removing efficiency of the fiber drawing furnace can be improved, a fiber processing environment is improved, and the period of stopping for ash removal of the fiber drawing furnace is prolonged.

The invention relates to a transparent fireproof adhesive, a preparation method thereof and a composite fireproof glass containing the transparent fireproof adhesive. The transparent fireproof adhesive is prepared from the following raw materials: 45-55 parts of nano-silica sol, 25-40 parts of a water glass solution, 0.5-1.0 part of a charring agent, 0.1-0.3 part of a charring aid, 0.3-0.8 part of a heat-resistant stabilizer, 0-5 parts of an organic anti-condensation agent, 10-15 parts of an inorganic anti-condensation agent, 0.05-0.1 part of an ion fixing agent, 0.3-0.5 part of a storage stabilizer, 0.1-0.5 part of a defoaming agent and 0.15-0.3 part of a crosslinking agent; wherein the moisture content of the transparent fireproof adhesive is 30-50%. The water content of the transparent fireproof adhesive is as low as 30-50%, the fire resistance of the composite fireproof glass is effectively improved, and meanwhile, certain flowing performance is ensured, so that pouring is facilitated. Heat insulation type composite fireproof glass and non-heat-insulation type composite fireproof glass prepared from the transparent fireproof adhesive have the characteristics of good appearance quality, good weather resistance, high visible light transmittance, excellent cold flow resistance and the like.

The invention discloses a Chinese herbal medicine crushing device. The Chinese herbal medicine crushing device comprises a medicine smashing head and a medicine smashing barrel; a rotating wheel is used for driving the medicine smashing head to crush medicines in the medicine smashing barrel; meanwhile, the rotating wheel is connected with the medicine smashing barrel through a transmission mechanism; when the medicine smashing head smashes the medicines in the medicine smashing barrel, the medicine smashing barrel can be rotated back and forth; at the moment of the medicine smashing head downwards smashing the medicines, because of rotation of the medicine smashing barrel, the medicine smashing head can grind the medicines at the same time, so that the medicine smashing head can synchronously smash and grind the medicines, the medicines with higher crushing degree requirements can be crushed more quickly, and the crushing efficiency of the medicines is higher; and as the Chinese herbal medicine crushing device is provided with a bolt, the rotating wheel can be blocked by the bolt when the rotating wheel is stopped operating, and the rotation of the rotating wheel driven by wrong startup of the motor can be prevented.

The invention discloses a transmission speed regulation clutch of magnetic cylinder, to provide a speed regulation clutch with low abrasion, high carrying capability and overload protection. The invention comprises a transmission axis I, a transmission axis II, transmission members I, a fixture I, transmission members II, a fixture II, a regulation mechanism and a main body. The fixture I and the fixture II are respectively arranged on the transmission axis I and the transmission axis II. The transmission members I and the transmission members II are coaxially arranged on the fixture I and the fixture II respectively. The transmission axis I, the transmission II and the regulation mechanism are arranged on the main body. The fixture I or the fixture II are connected with the regulation mechanism. The regulation mechanism is able to drive the transmission members I or the transmission members II to axially move, to make the transmission members I and the transmission members II capable of being inserted into and extracted out each other. All transmission members I and the transmission members II are magnetic, or the partial magnetic transmission members I and the transmission members II are electromagnetic induction parts. The invention is suitable for soft start, startup and brake, overload protection.

The invention discloses a treatment method for waste water after purification of graphite. The method includes the steps as follows: reacting the waste water generated in the purification of the graphite with lime milk liquid; adjusting the pH value to 5.0-6.0; feeding the treated waste water into a multistage purification-sedimentation tank; after multistage purification, feeding the waste water into a flocculation reactor in a waste water treatment system; adding alkali liquor to adjust the pH value to 6.5-8.0, adding polyaluminium chloride to adjust the pH value to 6.0-7.0 and finally adding a chemical oxygen demand remover, polyacrylamide and a metal capture agent for stirring until alum particles are formed in the waste water; stopping stirring and separating sediments generated in the waste water; concentrating, pressing and then discharging separated sediments into a sludge box; and discharging or recycling separated purified water after the purified water passing inspection. The treatment method has the advantages of low expenditure in equipment construction and operation process, low treatment cost, easiness for operation and control, and good treatment effect for the waste water; and the method reduces the production cost and the physical injury to personnel and prolongs the service life of waste water treatment equipment.

The invention discloses an automobile steel ring positioning and grinding device and belongs to the technical field of machining equipment. The automobile steel ring positioning and grinding device comprises a rack, a table board, a motor and a gearbox; the table board is arranged at the top end of the rack; the motor is arranged on the rack through a supporting plate; the gearbox is arranged on the lower portion of the table board and is connected with a main shaft of the motor; the gearbox is provided with a first output shaft, a second output shaft and a third output shaft; the second output shaft and the third output shaft are symmetrically arranged on the two sides of the first output shaft; a positioning rotation disk is fixedly arranged at the upper end of the first output shaft; a grinding wheel is fixedly arranged at the upper ends of the second output shaft and the third output shaft; and pressing modules which are evenly distributed in the circumferential direction are arranged on the edge of the positioning rotation disk. The automobile steel ring positioning and grinding device is simple in structure, reasonable in design and good in automatic centering effect; the two-way grinding wheel is used for grinding, and the machining precision is high; and meanwhile, the sound insulating, noise lowering and protecting functions are also achieved.

The invention discloses an automobile drawback lock. One end of an internal unlocking handle is of a disc structure, a cylindrical shaft seat is arranged in the middle of the disc structure, the center of the cylindrical shaft seat is provided with a blind hole, and the inner periphery of the blind hole is provided with a tooth groove. An internal unlocking handle shaft is of a seven-section step shaft structure which comprises a first circular shaft section, a second convex tooth section, a third round shaft section, a fourth round shaft section, a fifth round shaft section, a sixth elongated shaft shoulder section and a seventh round shaft section sequentially from left to right. The second convex tooth section meshes with the tooth groove of the internal unlocking handle, the outer periphery of the internal unlocking handle shaft is provided with a torsion spring of the internal unlocking handle shaft, and the outer periphery of the torsion spring of the internal unlocking handle shaft is provided with a cover plate. A steel plate is arranged at one end of an internal unlocking rocker pull rod, the center of the steel plate is provided with an elongated hole, and a special-shaped round rod is arranged at the other end of the internal unlocking rocker pull rod. The automobile drawback lock is reasonable in structure and has functions of internal locking with an electric button, internal unlocking with the handle and the like, emergency manual unlocking can be realized when an electric control function fails, personal injury is prevented, and economic loss is avoided.

The invention discloses a steam box and range hood integrated machine. The machine comprises a range hood and a steam box, wherein the range hood comprises a fan and a first box serving as a smoke absorption cavity; the steam box comprises a steam generator, a water tank and a second box serving as a steam box cavity; the fan comprises a motor; a first pipeline and a second pipeline are wound on the periphery of the motor; one end of the first pipeline communicates with the steam generator, while the other end communicates with the water tank; and both ends of the second pipeline communicate with the steam generator. Also disclosed is a control method of the integrated machine. Compared with the prior art, the machine has the advantages that the two pipelines are wound on the motor of thefan of the rangehood, and correspondingly use steam of the steam box and cold water for conducting heat, so that the motor is prevented from running at excessive temperature, the motor also can be immediately warmed to achieve the best performance even under environment with low temperature and moisture, the service life of the motor is prolonged, and the functions of the range hood and the steambox are fully used for complementation.

The invention relates to a fireproof adhesive, a preparation method of the fireproof adhesive and composite fireproof glass containing the fireproof adhesive. The fireproof adhesive includes the following raw materials: 20 to 30 parts of nano silicon dioxide sol, 50 to 65 parts of a water glass solution, 0.5 to 1.0 part of a charring agent, 0.1 to 0.3 part of a charring auxiliary agent, 0.3 to 0.8 part of a heat-resistant stabilizer, 10 to 20 parts of an anti-condensing agent, 0.05 to 0.1 part of an ion fixing agent, 0.3 to 0.5 part of a storage stabilizer, 0.1 to 0.5 part of a defoaming agent and 0.15 to 0.3 part of a cross-linking agent; wherein the moisture content of the inorganic transparent fireproof adhesive is 30-50%. The water content of the transparent fireproof glue is as low as 30-50%, and the fire resistance of the composite fireproof glass is effectively improved; meanwhile, certain flowing performance is ensured, so that pouring is facilitated. Heat insulation composite fireproof glass and non-heat-insulation type composite fireproof glass prepared from the transparent fireproof adhesive both have the characteristics of good appearance quality, good weather resistance, high visible light transmittance, excellent cold flow resistance and the like.

The invention discloses an automobile back door lock body which is characterized in that a U-shaped groove with an opening facing downwards is formed in the center of the bottom of a bottom plate; a ratchet shaft seat is arranged at the left side of the lower part of the bottom surface of the bottom plate; a ratchet shaft penetrates through a ratchet to be mounted in the ratchet shaft seat; a pawl shaft seat is arranged at the right side of the lower part of the bottom surface of the bottom plate; a pawl shaft penetrates through a pawl to be mounted in the pawl shaft seat; a worm component is arranged at the right side of the upper part of a space between a lock housing and the bottom plate; an outward opening transmission component is arranged above the position of the worm component; the worm component comprises a worm shaft; a worm shaft sleeve B, a driven gear, a sliding block, a worm and a worm shaft sleeve A are sequentially arranged on the worm shaft from left to right; a current-conducting plate subassembly is arranged at the left side of the upper part of the place between the lock housing and the bottom plate, and comprises a current-conducting plate; a motor is arranged at the bottom surface of the current-conducting plate; and a driving gear is arranged on an output end of the motor, and is engaged to the driven gear at the left part of the worm component. The automobile back door lock body is reasonable in structure; when the electric control function fails, an automobile back door can be opened emergently; and personal injury and economic loss are avoided.

The embodiment of the invention provides a containing piece, a pump head and a pressure pump, and relates to the field of medical instruments. The problems that in an existing infusion pressure pump,dust easily enters a pump body, and a telescopic rod stretches out and draws back to injure people are solved. The containing piece is used for being connected to the exterior of a pump body, the pumpbody is provided with a containing cavity used for containing a piston rod, the containing piece is provided with a sliding channel used for being communicated with the containing cavity, and the sliding channel is used for enabling the free end, stretching out of the pump body, of the piston rod to stretch in. The pump head comprises the pump body and the containing piece. The pressure pump comprises the pump head. The containing piece is connected to the outer portion of the pump body, the sliding channel in the containing piece is communicated with the containing cavity, the free end, stretching out of the containing cavity, of the piston rod stretches into the containing cavity, in the reciprocating movement process of the piston rod, the containing piece has the dustproof effect on the free end of the piston rod, and external dust is prevented from being brought into the pump body in the stretching and retracting process of the free end of the piston rod. And meanwhile, the containing piece further has a protection effect on the free end of the piston rod, and personal injury to people in the telescopic process is avoided.

The invention discloses a rehabilitation training pedaling device. The device comprises a fixing mechanism, a pedaling moving mechanism and a resistance adjusting mechanism. The pedaling device is characterized in that the fixing mechanism comprises at least a fixing plate, the pedaling moving mechanism comprises at least a pair of pedals and connecting members which are used for connecting the pedals to make each pair of the pedals perform reverse direction linear motion in which one pedal moves upwards and another pedal moves downwards, the connecting members are used for adjusting the motion resistance of the connecting members to further adjust the connection of the resistance adjusting mechanism of the motion resistance of each pair of the pedals, the resistance adjusting mechanism comprises at least a braking sheet and a resistance controlling device, the braking sheet is in contact with the connecting members, the resistance controlling device is connected with the braking sheet, and the connecting members and the resistance controlling device are fixed on the fixing plate. By means of the pedaling device, the problem of how to reduce the influence on wounds of a patient (such as the causing of wound pain, and wound dehiscence of a postoperative patient can be caused under a severe condition) when the postoperative patient performs lower limb exercising in the prior artis solved.

The invention relates to the technical field of machining, and discloses a polishing device for the end surface of a circular saw web. The polishing device comprises a workbench; a supporting frame isarranged at the right end of the upper surface of the workbench; a guide plate is arranged at the top of the supporting frame; a first sliding groove is formed in the upper part of the guide plate; afirst guide rod is glidingly connected in the middle of the first sliding groove;the front and back ends of the first guide rod are fixedly connected with the upper end of a first connecting rod; thelower end of the first connecting rod is fixedly connected with the left side of a polishing head; a second sliding groove is formed in the lower part of the guide plate; a second guide rod is glidingly connected in the middle of the second sliding groove; the front and back ends of the second guide rod are fixedly connected with the upper end of a second connecting rod; the lower end of the second connecting rod is fixedly connected with the right side of a polishing head; and a fixing rod is arranged on the left side of the upper surface of the workbench. According to the polishing device for the end surface of the circular saw web, the fixing rod is sleeved with the circular saw web, so that in the polishing process, the circular saw web can be fixed through a pressing block, and personal injuries caused by disengagement of the circular saw web from the device to operators can be prevented.

The invention provides a wastewater treatment method after purification of lithium ion battery negative material spherical graphite. Wastewater is treated in two levels, firstly, the wastewater enters into a first-level pH adjusting reaction pool to adjust pH; the wastewater treated by the first-level treatment enters into a second-level pH adjusting pool. The method provided by the invention has the advantages of fast treatment speed and stable purifying effect. The quality of the wastewater purified meets the standard and can be recycled or directly discharged. The method is simple and convenient to operate, easy to control, small in labor intensity of workers and good in operating condition, and does not cause personal injury to the workers. As the wastewater is treated under a condition close to neutral, the service life of equipment is prolonged. The cured sludge can be recovered and comprehensively utilized in the aspects such as refractory materials, casting materials and the like.

The invention discloses an LED mining lamp which comprises a mining lamp body and a driving power supply. The driving power supply is arranged inside the mining lamp body, the mining lamp body comprises a mining lamp shell, a light-emitting device, a heat dissipation device and a protection device, a heat dissipation chamber for the heat dissipation device to be placed and a driving chamber for the driving power supply to be placed are formed in the mining lamp shell, and the side, away from the driving power supply, of the heat dissipation device is connected with the light-emitting device. The protection device comprises a temperature detector connected with the heat dissipation device and a controller connected to the driving power supply, wherein the controller controls and is connected with the light-emitting device and the heat dissipation device, the driving power supply is electrically connected with to the light-emitting device and the heat dissipation device, the illuminationintensity can be automatically adjusted when the temperature is too high so as to reduce the temperature of the LED mining lamp, the temperature can be reduced in real time, and elements in the LED mining lamp can be prevented from being damaged; when voltage is unstable or short-circuit, the controller controls the LED mining lamp to stop working, personal injury is prevented, the service life of the LED mining lamp is prolonged, and the LED mining lamp is convenient to use.

The invention provides a device for cleaning and drying piston parts, and belongs to the technical field of part cleaning. The device comprises an outer box, an inner box, a lifting device, a rotatingdevice and a drying device; the lifting device comprises four cylinders annularly arranged on the outer side of the inner box, a connecting rod, two support rods, four supporting rods and at least one set of annular hanging frames; the sides, deviated from mandrels, of the annular hanging frames are vertically connected with multiple hanging rods; the ends of the hanging rods are connected with stop covers through threads; the rotating device comprises a motor, a driving gear, an annular stand column, a rotating shaft, a driven gear, a stop ring fixed at the end part of the rotating shaft, and a support rotating module arranged between the outer box and the inner box; the support rotating module comprises an annular slide rail fixed at the bottom of the outer box, multiple slide blocks cooperating with the slide rail and sliding in the slide rail, and a mounting plate fixed at the tops of the slide blocks; and the mounting plate is connected with the bottom of the inner box. The device is simple in structure, better in cleaning effect and higher in safety.

The invention discloses a household intelligent security alarm system, belonging to the technical field of intelligent security monitoring. The image signal and temperature detection module collect temperature signals, the carbon monoxide detection module collects the concentration of harmful gas carbon monoxide, the recording module collects sound signals, the face recognition access control module is used to unlock the security door, and the collected signals are used by the data processing module to make an early warning judgment. If the safety threshold is exceeded, the voice alarm module is activated, and the indoor safety status information is sent to the user's portable smart terminal through the data communication module, such as smart phones, smart watches, and smart glasses, to remind the user to take further safety measures. The features of intelligence, simplicity and ease of use and high real-time performance enable the present invention to better meet the needs of home security.

A bacteria stick quick perforating machine comprises a machine frame, wherein a circular table is arranged on the machine frame, a bacteria stick channel is formed in the circular table, piercing blocks are arranged at an outlet of the bacteria stick channel, stings are arranged on the piercing blocks, a support is arranged on the bottom face of the circular table, and the support is connected with the circular table through springs. The bacteria stick quick perforating machine has the advantages that the structure is reasonable, using is convenient, installing and maintaining are convenient, automation of bacteria stick perforating is achieved, work efficiency is improved, labor intensity of workers for perforating operation is lowered, production cost is lowered, perforated bacteria stick holes can be evenly distributed, mycelia in bacteria sticks can normally grow, yield of mushrooms can be improved, income of bacteria growers can be improved, accidental injuries of workers can not occur in the automatic bacteria stick perforating process, personal safety of the workers is protected, the using effect is good, and popularization is facilitated.

The invention relates to a full-automatic penholder flocking machine. The full-automatic penholder flocking machine comprises a tank body, wherein a discharge hopper is arranged at one end in the tank body, a conveyer belt is arranged at an outlet of the discharge hopper, a first cylinder and a second cylinder are sequentially arranged at the right side of the middle part of the conveyer belt, a spraying tank and a group of gears are sequentially arranged at the left side of the middle part of the conveyer belt, an electrostatic generator is mounted on the bottom surface of the tank body, a grounding layer is mounted on the top surface of the tank body, and a material receiving hopper is mounted at the other end of the tank body. The full-automatic penholder flocking machine has the beneficial effects that the effect of full-automatic penholder flocking is realized, the working efficiency and the production efficiency are improved, the labor cost is lowered, the personal health of an operator is protected, the effect of reusing villi is realized, the material cost is lowered, the surrounding environment is also protected from polluting, the environmental protection effect is good, and the practical application effect is good.

The invention discloses an automobile vehicle-mounted power socket assembling and grabbing mechanism. The automobile vehicle-mounted power socket assembling and grabbing mechanism comprises an equipment platform, wherein an assembling rotary disc is arranged on the equipment platform, self-walking lock wheels are arranged below the equipment platform, a waste box and a heat dissipation box are arranged in the equipment platform, a waste collecting hopper is arranged on the equipment platform, and a sliding plate is arranged at one side of the waste collecting hopper; and sliding plate supports distributed in an array manner are arranged at the lower end of the sliding plate, assembling bases distributed in an array manner are arranged on the assembling rotary disc, a grabbing mechanism is arranged on the equipment platform, a finished product platform is arranged at one side of the equipment platform, and a waste collecting groove is formed in the waste box and arranged under the waste collecting hopper. According to the automobile vehicle-mounted power socket assembling and grabbing mechanism, the sorting efficiency of good products and defective products is improved, the sorting accuracy rate is high, the automation degree is high, and the labor intensity of operators can be reduced; and meanwhile, personal injuries caused by equipment to the operators are avoided, and the personal safety of the operators is protected.

The invention discloses a scaffold for building decoration, and relates to the technical field of scaffolds. The scaffold for the building decoration comprises a transverse frame, supports are fixedly installed at four corners of the lower bottom surface of the transverse frame, a counterweight device is movably installed below the transverse frame, and handrail devices are movably installed on the front side and the rear side of the upper surface of the transverse frame. According to the scaffold, a moving device is additionally arranged, through the joint matching effect of the moving device and a supporting base, the scaffold can conveniently roll to change the position, meanwhile, the stability of the scaffold during supporting is not changed, and the handrail devices are additionally arranged, so that constructors at high positions have handrails as acting points under any conditions, the safety of the constructors during construction is guaranteed, personal injury caused by falling of the constructors due to loss of the the acting points is prevented, the counterweight device is added, uniform stress of the whole scaffold is guaranteed, rollover of the scaffold is avoided, the safety of single-person construction is guaranteed, the supports are arranged to be telescopic supports, and the whole scaffold can be applied to construction sites with different heights and is more convenient to use.

The invention discloses a high-efficiency tea frying device for tea frying of tea growers. The device comprises a machine body, a first-stage tea frying cavity is formed in the machine body, a feedinghole is formed in the top wall of the left side of the first-stage tea frying cavity, a sliding cavity is formed in the lower side of the first-stage tea frying cavity, a spring cavity is formed in the side fixed wall in the first-stage tea frying cavity, and a belt wheel cavity is formed in the upper side of the spring cavity, so that hot air in the first-stage tea frying cavity is sucked up andexhausted, and the hot air in a first-stage fan cavity is transmitted to a second-stage fan cavity through a ventilation cavity and exhausted through an external connection pipe. The device adopts astaged tea frying mode of tea growers, and the faint scent of tea leaves is more obvious through first-time light frying, second-stage through frying and hemming in the tea frying process.

The invention belongs to the technical field of petroleum industry and particularly relates to methods for vacuumizing and saturating formation water of a three-dimensional scale model for microbial oil displacement. The methods comprise the automatic vacuumizing method and the automatic formation water saturating method. The automatic vacuumizing method comprises the step that a control unit controls a vacuumizing unit to conduct sequential and circular vacuumizing on simulation wells of the three-dimensional scale model. The automatic formation water saturating method comprises the steps that the control unit controls a formation water saturating unit to conduct sequential formation water saturating on the simulation wells of the three-dimensional scale model. The methods have the characteristics of being simple, high in automation degree, high in operability, safe and reliable. Meanwhile the vacuum degree of the three-dimensional scale model at the time of vacuumizing and the degree of uniform distribution of the formation water in the model at the time of formation water saturating are improved, and accordingly the accuracy and reliability of a microbial oil displacement physical simulation experiment result are improved. Therefore, the methods can be widely applied to experiments of vacuumizing and saturating the formation water of the three-dimensional scale model for microbial oil displacement.

The invention discloses a multifunctional blow lamp and an application method. The multifunctional blow lamp is characterized in that a fuel storage tank and a flame tool are located on the two sides of an air supply device, and the fuel storage tank, the flame tool and the air supply device are fixed to a supporting keel and connected through an air supply pipeline; a flame gun assembly of the flame tool is installed at the upper end of a lifting assembly, a horizontal rotating assembly is indirectly connected with flame guns through lifting, a horizontal linear movement assembly is indirectly connected with the flame guns, the flame guns ascend and descend through the lifting assembly, and the flame guns reversely move on an operation table panel; a liquid fuel injection port and a fuel gas inlet pipe are arranged at an upper cone of the fuel storage tank, a gas head is arranged in a lower cone, and an emptying valve is arranged outside the lower cone; and according to a circuit, a series circuit composed of an air pump motor switch, a motor and a speed adjustor is connected with a series circuit composed of a heat source box resistor switch, a heat source box resistor and a thermosistor in parallel and then connected with a shutdown switch in series to be connected to a main power source. When fuel needs to be added, an overturning plate is pulled, and power supply is turned off. The multifunctional blow lamp and the application method are used for experiment teaching, machining and repairing industries, the experiment operation efficiency is improved, personal safety is guaranteed, and the fire risk is reduced.