103 results about "Oxygen cylinder" patented technology

This invention belongs to the field of medical device technology, specifically relating to a nebulized inhalation device for treating pediatric pneumonia. The device includes a main body connected to a spray tube; an oxygen supply section including an oxygen cylinder, the outlet of which is connected to the spray tube; a spray section including a compressor, the outlet of which is connected to a mixing tank, which is connected to the spray tube; a feeding section including a medication cartridge connected to a delivery tube, which is connected to the mixing tank; and an adjustment section including a guide rod with a sealing plug at its lower end, a lifting rod inside the guide rod, and a U-shaped plug fixedly connected to its lower end, positioned above the delivery tube. This invention enables rapid mixing of medication and oxygen with the medication mist, allows for quick assembly and disassembly of the medication cartridge, and allows for flexible control of the dynamic and directional release of a specific medication during treatment, ensuring the comfort of the child during treatment.

This application discloses a safe firing and sound-generating device for a prop gun used in film and television productions, relating to the field of film and television production. The device includes a gun casing with an internal combustion and explosion mechanism. This invention utilizes the combustion and explosion mechanism to control the proportion of gases from an oxygen cylinder and a butane cylinder to achieve a combustion and explosion effect. First, the power switch is turned on. The oxygen cylinder and butane cylinder, in a specific proportion, send gases through corresponding pipes to corresponding first, second, and third solenoid valves. Then, the first, second, and third solenoid valves send the gas through pipes to the combustion and explosion chamber, awaiting combustion and explosion. Pulling the trigger, under the action of the circuit board, controls the operation of the first solenoid valve, current converter, second solenoid valve, and third solenoid valve, causing the gas in the combustion and explosion chamber to ignite and explode, producing a certain amount of smoke. This device achieves the function of combustion and explosion, and the combustion and explosion effect can be continuous.

The invention belongs to the technical field of aircraft propulsion system oxygen supplementation subsystem design, and particularly relates to an aircraft propulsion system oxygen supplementation subsystem oxygen cylinder oxygen carrying performance determination method which comprises the steps that 1, the oxygen demand mass m1 of engine air starting is calculated; 2, calculating the mass m2 of residual unavailable oxygen in the oxygen cylinder; 3, calculating the total mass m of oxygen required to be filled into the oxygen bottle according to the formula m = m1 + m2; 4, calculating the volume of the oxygen bottle needing to be filled under different environment temperatures and corresponding highest and lowest filling pressures; and step 5, comparing the volume of the oxygen bottle needing to be filled under different environment temperatures and corresponding highest and lowest filling pressures with the volume of the oxygen bottle, and determining whether the performance of the oxygen bottle carrying the oxygen can meet the requirement or not.

The utility model relates to the technical field of rescue equipment, and discloses a snowfield rescue breathing control device which comprises an oxygen mask, an oxygen pipe and an oxygen bottle, a flexible heating film is arranged on the inner surface of the oxygen mask, and a first controller and a GPS positioning module are arranged in the oxygen mask. A collecting shell is further arranged at the bottom of the oxygen mask body, absorption cotton is arranged in the collecting shell, two elastic bands are arranged on the rear side of the oxygen mask body, an oxygen spraying opening is further formed in the outer side of the oxygen mask body, and two micro fans are further arranged on the outer surface of the oxygen mask body. Wherein the two miniature fans are used for air inlet and air outlet respectively. According to the oxygen supply system, multiple anti-freezing design and the flexible solar panel power supply technology are adopted, stable operation of oxygen conveying in the low-temperature environment is guaranteed, meanwhile, long-time endurance is achieved, and compared with the prior art, the problems that an oxygen supply system is insufficient in reliability and endurance are solved.

The invention discloses a breathing and oxygen generating dual-purpose machine, and relates to the technical field of auxiliary medical equipment. A breathing and oxygen generating dual-purpose machine comprises a shell, a sectional type touch display screen, an upper layer breathing machine, a humidifying box, an air filter and a lower layer oxygen generator, the sectional type touch display screen is installed on the inclined upper portion of the shell in an embedded mode, the upper layer breathing machine, the humidifying box and the air filter are arranged on the upper portion of a partition plate, and the lower layer oxygen generator is arranged on the lower portion of the partition plate. The side face of the humidifying box is connected with a telescopic gas output pipe. The all-in-one machine highly integrates the dual-core treatment function, the complexity of externally connecting an oxygen bottle and multiple equipment pipelines is omitted, space is saved, and the all-in-one machine is adaptive to the family environment; a finger pulse oxygen monitoring and closed-loop feedback system is built in, so that the oxygen concentration can be accurately adjusted to guarantee the treatment safety; smooth upgrading from oxygen therapy to oxygen therapy and respiratory support is supported, and waste caused by repeated purchase of machines is avoided; a unified control interface reduces the learning and operation cost and improves the compliance; compared with purchase of two devices, the device is more economical and has outstanding cost performance.

The utility model relates to the technical field of oxygen bottles, and discloses a small oxygen bottle for family emergency, which comprises a support base and a bottle body, a positioning seat is slidably arranged at the bottom end of the support base, a positioning cavity is arranged in the middle of the positioning seat, protective silica gel is arranged in the positioning cavity, the bottom of the bottle body is arranged in the positioning cavity, and the bottom of the bottle body is fixedly connected with the support base. Supporting columns are rotatably arranged on the two sides of the positioning seat, moving columns are slidably arranged in the supporting columns, and a semi-annular positioning plate is rotatably arranged at the top ends of the moving columns; the bottle bodies are installed in the positioning cavities of the positioning seats, the positioning plates arranged on the two sides are matched to limit the positions of the bottle bodies, and meanwhile the moving wheels arranged at the bottom ends of the positioning seats can achieve rapid transfer of the bottle bodies. And when the bottle body is not used, the positioning seat can be moved to the supporting base, and the position of the positioning seat is limited in cooperation with the limiting frame, so that the position of the positioning seat is prevented from moving.

The utility model discloses a pneumothorax first-aid device which comprises a box body with a built-in power supply, a breathing machine arranged in the box body, an oxygen bottle communicated with the breathing machine and a respirator which is communicated with the oxygen bottle and can extend out of the box body. A box cover with the outer side wall being an inclined face is hinged to the position, corresponding to the breathing machine, of the box body, and the non-hinged end of the box cover is detachably connected with the box body. One side of the box body is movably provided with a positioning plate for directional puncture of the gas needle, the other side of the box body is movably provided with a gas guide cylinder, and the gas needle is embedded and fixed on the positioning plate and is communicated with the gas guide cylinder. The box body internally provided with the breathing machine, the oxygen bottle and the respirator is arranged, the box body is connected with the box cover provided with the inclined face, the posture of a patient can be conveniently adjusted in good time, and the positioning plate is movably arranged so that the acupuncture position can be conveniently adjusted, positioned and guided; and the gas guide cylinder movably arranged along with the box body is convenient to carry and is also suitable for being placed during use, the structure is simple and compact, and the use is convenient.

The utility model provides an oxygen cylinder valve airtightness leak detection clamp convenient to assemble and disassemble, which relates to the technical field of airtightness detection and comprises a wall plate, a baffle plate is mounted on one side wall of the wall plate, a positioning plate is arranged on one side of the baffle plate, enclosing walls are fixedly mounted at two ends of the wall plate and two ends of the positioning plate, and supporting plates are mounted at the tops of the enclosing walls. A supporting frame is installed on the surface of the wall plate and close to the center of the bottom, a base is fixedly installed at the bottom of the supporting frame, an air cylinder is installed at the bottom of the base, and the output end of the air cylinder penetrates through the base and is fixedly connected with the bottom of the positioning plate. According to the utility model, the wall plate, the positioning plate and the wall are connected into a whole by arranging the wall with the U-shaped structure, the air inlet positioning shaft is arranged on the positioning plate, and the baffle in threaded connection with the baffle lifting cylinder is arranged in the square hole in the inner side of the wall plate, so that the oxygen bottle valve is very convenient to assemble and disassemble, the production efficiency is greatly improved, and the labor intensity of workers is reduced.

The utility model relates to the technical field of baking torch equipment, in particular to baking torch equipment of a ship steel structure, which comprises a base, a fuel gas tank is arranged on one side of one end of the top of the base, an oxygen tank is arranged on one side of the fuel gas tank at one end of the top of the base, and air pumps are arranged on one sides of the fuel gas tank and the oxygen tank at the top of the base. First air conveying pipes are arranged on one sides of the two air pumps, a second air conveying pipe is fixedly arranged between the ends, away from the air pumps, of the two first air conveying pipes, an electromagnetic valve is installed at one end of the second air conveying pipe, an air conveying hose is arranged at the end, away from the first air conveying pipes, of the second air conveying pipe, and a supporting frame is installed at one end of the top of the base. According to the device, the mode that the first winding roller is used for containing the gas conveying hose is matched with the fixing mechanism, so that the gas conveying hose cannot be placed disorderly to affect containing when the device is contained, meanwhile, the situation that the gas conveying hose is prone to being pulled disorderly due to the fact that the gas conveying hose cannot be fixed is avoided, and therefore containing work is conveniently carried out after the device is used.

The oxygen bottle fixing frame convenient to fold comprises a supporting frame, the outer wall of the supporting frame is fixedly connected with an L-shaped block, the interior of the supporting frame is slidably connected with a limiting plate, the outer wall of the limiting plate is fixedly connected with a first sliding rail and a second sliding rail, the interior of the supporting frame is provided with a first sliding groove and a second sliding groove, and the first sliding groove and the second sliding groove are arranged in the supporting frame. The outer wall of the first sliding rail is slidably connected to the inner wall of the first sliding groove, the outer wall of the second sliding rail is slidably connected to the inner wall of the second sliding groove, and the interior of the supporting frame is in threaded connection with a screw. According to the oxygen bottle fixing device, the first sliding rail and the second sliding rail can be driven to slide in the first sliding groove and the second sliding groove respectively by pulling the limiting plate, then the limiting belt is driven by the limiting plate to be adjusted, the limiting plate can be fixed through the screws, and then an oxygen bottle body is placed on the supporting plate from the limiting belt; the fixing frame is convenient to fold, and meanwhile the effect of adjusting the overall length is achieved.

The invention belongs to the technical field of air supply assemblies, and discloses a quick-replaceable air supply assembly for critical respiratory patients, which comprises a main oxygen bottle and an auxiliary oxygen bottle, and further comprises a conversion cavity, two air inlets are formed in the lower end of the conversion cavity, at least two air outlets are formed in the upper end of the conversion cavity, and air inlet connecting assemblies are fixedly arranged at the air inlets; the air supply assembly comprises a main air delivery pipe and an auxiliary air delivery pipe, the main air delivery pipe is provided with an air inlet, the auxiliary air delivery pipe is provided with an air outlet, the air outlet is provided with an air outlet connecting assembly, the main air delivery pipe and the auxiliary air delivery pipe are both provided with air inlet connectors corresponding to the air inlet connecting assembly, the air outlet connecting assembly is provided with an air outlet connector, and the end of the air outlet connector is fixedly provided with an air delivery pipeline. Due to the design of the whole gas supply assembly, the gas conveying process is more stable, continuous and stable oxygen can be provided according to the actual requirements of the patient, the treatment effect of the critical respiratory patient can be improved, and more powerful guarantee is provided for life health of the patient.

This invention relates to the field of oxygen humidification technology, specifically to a medical oxygen cylinder nebulizer humidification device, comprising a water tank with a removable sealing cap at the top and a removable mixing hood at the top of the sealing cap. The operation of a driving component drives a cleaning component, which in turn drives a linkage component, causing the linkage component to rotate. The linkage component's internal components drive a mixing component, which in turn drives the mixing component's internal components, causing them to rotate around the arc-shaped structure of the mixing hood and rotate on their own axis. This agitates the nebulized medication and oxygen inside the mixing hood, ensuring thorough mixing of the oxygen and medication. This improves the uniformity of the nebulized medication content in the oxygen, resulting in uniform oxygen humidity and reducing the possibility of uneven mixing when the nebulized medication is mixed with oxygen. This ensures consistent oxygen humidification delivered to the patient's respiratory tract, improving the therapeutic effect on the patient.

The utility model discloses a hotbed chive growth gas adjusting system based on STM32, a gas adjusting mechanism comprises a first solenoid valve, a second solenoid valve, a carbon dioxide gas cylinder, an oxygen cylinder, a fixer, a carbon dioxide concentration sensor and an oxygen concentration sensor, the first solenoid valve is connected with an outlet of the oxygen cylinder to control release of oxygen; the second electromagnetic valve is connected with an outlet of the carbon dioxide cylinder to control release of carbon dioxide; the first electromagnetic valve and the second electromagnetic valve are electrically connected with the STM main control chip respectively; the temperature and humidity adjusting mechanism comprises a temperature and humidity sensor, a fan, a water spraying pipe, a water tank, a hose and a third electromagnetic valve, and when it is monitored that the temperature and humidity in the system are lower than a set threshold value, the electromagnetic valve is opened for water supplementing drip irrigation or cooling treatment. In the growth process of the hotbed chives, the best oxygen concentration, carbon dioxide concentration and temperature and humidity environment is provided for the hotbed chives in time, and precise growth adjustment is achieved to increase the yield.

The oxygen supply intervention system comprises a rack, an oxygen bottle, an airflow control valve, a corrugated pipe, an oxygen mask, a first square pipe, a limiting plate, a limiting hole, a second square pipe and a sliding assembly, a mounting table is arranged at the top of the second square pipe, a rotating plate is rotatably arranged on the mounting table, and a sliding plate is horizontally and slidably arranged on the rotating plate; an alarm assembly is arranged on the sliding plate, an opening is formed in the sliding plate, a first pipe clamp is arranged in the opening, a mounting rod is horizontally arranged on one side of the rotating plate, and a guide pipe is arranged at the end, away from the rotating plate, of the mounting rod. The corrugated pipe is limited through the limiting hole, the first pipe clamp and the guide pipe, so that the corrugated pipe droops from the upper portion of the front side of the user to be connected with the oxygen mask, the situation that when the corrugated pipe is accidentally pulled by interfering with movement actions of the user, the first pipe clamp and the sliding plate move is avoided, and when the alarm assembly detects that the sliding distance of the sliding plate is large, the alarm assembly reminds the user.

The utility model discloses a device for prolonging the hole blowing time of bottled oxygen in a submerged arc furnace. The air inlet pipes are arranged at the air inlet end of the steam pocket; the gas conveying pipe is arranged at the gas conveying end of the steam pocket and is connected with a gas supply pipeline of the submerged arc furnace; and oxygen bottles are mounted at the inlet ends of the plurality of gas inlet pipes.

The utility model discloses a portable pneumatic nailing device for underground rescue, which comprises a base, a pneumatic nailing device, a pneumatic nailing device and a pneumatic nailing device. Four wheels are arranged at the bottom of the base; the guardrail is of an annular structure and is arranged above the base; the oxygen bottle is vertically placed in the guardrail; an outlet of the oxygen bottle is sequentially communicated with a pressure reducing valve and a three-outlet distributor, and three outlet ends of the three-outlet distributor are connected with hoses; the supporting table is arranged above the base, and three fixing columns are arranged on the supporting table; the three hoses are used for being wound on the fixing columns respectively; the three hooks are L-shaped, are longitudinally arranged on the outer side face of the supporting table at intervals and are used for hanging three air nail guns; wherein the oxygen bottle is used for providing air pressure for the nailing gun; and the pressure reducing valve is used for reducing the output pressure of the oxygen bottle to be matched with the working pressure of the nailing gun. The problem that an existing nailing gun is inconvenient to carry is solved.

1. Name of the product in this design: Gas Cylinder Rack. 2. Intended use of this design: for holding oxygen cylinders and gas cylinders for welding torches, as well as welding torches and welding materials. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The utility model discloses a building construction site welding gas cylinder anti-toppling device, which comprises a main body, a replacing mechanism and a fixing mechanism, the replacing mechanism comprises a motor, a rotating disc, a meshing gear and a rotating wheel, and the fixing mechanism comprises a screw rod, a lifting frame, an overturning disc, a matching disc, a matching sleeve, an embedding sleeve and an auxiliary assembly. The auxiliary assembly comprises a spring, a rotating rod and a pushing block, under the mutual cooperation effect of the mechanisms, the device can carry a plurality of gas cylinders (such as oxygen cylinders and acetylene cylinders) at the same time and can automatically switch the positions, and the continuity of welding or cutting operation is facilitated, so that the time for replacing the positions of the gas cylinders is shortened, and the operation efficiency is improved; especially in a high-strength construction environment, in addition, the lifting frame of the device can be adjusted according to the height and the size of the gas cylinder to adapt to gas cylinders of different models (such as 5L, 40L, 50L and the like), and the use range is prevented from being limited.

The utility model discloses a newborn hospital transfer simple hand trolley device, including transfer trolley and rescue platform, and transfer trolley is equipped with first fixed groove, second fixed groove, placing cavity, footboard, lifting assembly and lifting platform, and first fixed groove is used for placing empty oxygen mixing instrument device, and second fixed groove is used for placing T combination resuscitator, and placing cavity is used for placing oxygen cylinder, and footboard is electrically connected with lifting assembly, and lifting platform is installed in one side of lifting assembly, and rescue platform is installed on lifting platform. The device is provided with first fixed groove, second fixed groove, placing cavity, footboard, lifting assembly and lifting platform etc. on the transfer trolley, so as to place empty oxygen mixing instrument device, T combination resuscitator and oxygen cylinder on the trolley, which are convenient to disassemble, and the basic transfer safety can be guaranteed.

The utility model provides an oxygen inhalation auxiliary device under bumpy conditions, which comprises a bottle body, a bottle neck arranged on the bottle body, a cover body screwed on the bottle neck, the cover body communicated with an oxygen bottle through a mounting pipe, an air inlet pipe arranged in the mounting pipe, an air outlet pipe connected with an oxygen inhalation mask arranged on the cover body, and a mounting seat arranged in the bottle neck, an air outlet groove and an air inlet groove are formed in the upper side and the lower side of the installation base respectively, communicated and staggered, the air inlet pipe penetrates through the installation base and extends into the bottle body, and a fixing mechanism connected with the bottle neck is further arranged on the installation base. When the device is used for breathing under the bumpy condition, gas can enter the mouth and the nose through the gas inlet groove and the gas outlet groove in sequence, and due to the fact that the gas inlet groove and the gas outlet groove are arranged in a staggered mode, splashing of humidifying liquid can be blocked, and the situation that the humidifying liquid enters the respiratory tract and affects normal breathing of people due to bumpy vehicles is effectively prevented.

The utility model discloses a specimen preparation device for electrophysiology experiments, which relates to the technical field of specimen preparation and comprises a preparation table, and a timer, a gas flow controller, a temperature controller, a microscope, an electronic balance, a cell separation operation area and a blowing and suction tube accommodating box are arranged on the upper surface of the preparation table. The mixed gas of the oxygen steel cylinder and the carbon dioxide steel cylinder is controlled by the gas flow controller to flow into the first incubation bath tank, the second incubation bath tank and the digestion bath tank, and the gas does not need to be frequently filled from the gas steel cylinders by using an oxygen bag, so that the consumed time is shorter, and the error is smaller; two first rotating shafts are driven by a rotating disc to revolve, then gears are matched with gear rings, so that the two first rotating shafts rotate, second magnets repel or attract first magnets in the revolution process, and the first rotating shafts reciprocate up and down in the revolution process; and the oxygen and the carbon dioxide in the mixing barrel are uniformly mixed.

The utility model discloses a patient transfer bed relates to the field of hospital bed. Provide a patient transfer bed of more articles can be carried. Patient transfer bed includes bed main body, still include the commodity shelf, and the both sides of the one end of bed main body all have the vertically arranged insertion pipe, and the commodity shelf includes the stand, and the limit disc, and the commodity tray and the gas cylinder placing structure, and the stand includes two insertion rods, and the stand vertically sets up, and the lower extreme of two insertion rods respectively inserts two insertion pipes, and the limit disc horizontally sets up and is connected with the upper end of stand, and the commodity tray places in the limit disc, and the gas cylinder placing structure is located the below of limit disc and is connected with the stand. The utility model commodity tray can place portable breathing machine, electrocardiograph monitor and so on bigger, heavier medical equipment. The gas cylinder placing structure is used for placing oxygen cylinder. The utility model commodity space is big, can place multiple medical equipment, and fully satisfies the treatment and the guardianship demand when patient transfer.

The utility model relates to the technical field of ferrite magnet processing, in particular to a sintering device for ferrite magnet processing, which is characterized in that a heat insulation door is mounted at the front end of a sintering chamber, a handle is mounted at the front end of the heat insulation door, an air pump is mounted above the sintering chamber, and an air inlet pipe is mounted on the right side of the air pump; a dust filter screen is mounted above the air inlet pipe; the sintering furnace has the beneficial effects that the electric heating wires on the upper side and the lower side evenly heat raw materials in the middle, the sintering effect is better, the internal sintering condition can be conveniently observed through an observation window, and in the sintering process, an air pump sucks air through an air inlet pipe, a dust filtering net filters dust in the air, and an oxygen bottle injects oxygen into an air adding pipe through an oxygen pipe; the oxygen pipe is provided with an electric control valve used for controlling the oxygen adding amount, oxygen and dust-free air are mixed in the air adding pipe and injected into the sintering chamber, the oxygen content in the sintering chamber is guaranteed, the sintering effect is better, hot air exhausted by the air outlet pipe can be introduced into the preheating device, and energy consumption of raw material preheating is reduced.

This invention discloses a multi-organ preservation device. The liver is stored in a water bath, while other organs are preserved within a separate multi-organ container. Blood, propelled by a peristaltic pump, enters an oxygenation device, where oxygen from an oxygen cylinder mixes with the blood. After sufficient oxygenation, a drug delivery system pushes medication or nutrients from the liver into the bloodstream, where it mixes with the blood and then flows through the arteries of each organ to the respective organs. After passing through each organ, the blood returns to a filter, where bubbles and impurities are filtered before flowing back to the peristaltic pump. The flow rate and velocity of the inlet tube are controlled by a flow control valve. This device is simple in structure, easy to operate, and capable of preserving ex vivo organs for extended periods.

A kind of methane in-situ combustion fracturing system and method based on shock wave ignition, system: shock tube assembly includes pressure-bearing pipe body;Clamp one and two are clamped in diaphragm one and two inside pressure-bearing pipe body;Gas filling assembly includes high-pressure gas tank, high-pressure and double-membrane gas supply pipeline connected with high-pressure gas tank respectively communicate high-pressure and double-membrane chamber;Exhaust assembly includes vacuum pump, vacuum pump connected with the vacuum pumping pipeline is communicated with high-pressure and double-membrane chamber through communication pipeline one and two respectively, double-membrane exhaust pipeline is communicated with communication pipeline two;Methane combustion and explosion packer unit is the packer of being installed on pressure-bearing pipe body;Combustion-supporting agent delivery unit includes oxygen cylinder, oxygen delivery pipeline connected with oxygen cylinder communicates combustion chamber;Combustible gas concentration detector is located on oxygen delivery pipeline;Method: shock tube assembly is assembled and is lowered;High-pressure and double-membrane chamber is vacuumized;Gas is filled;Fast pressure relief;The shock wave generated is ignited and expanded into combustion and explosion.The ignition energy of the present application is high, and the combustion and explosion effect is ideal.

The utility model relates to the technical field of medical instrument fixation, in particular to a stretcher fixing device with an oxygen bottle, which is convenient to operate, reduces the falling damage risk and enhances the safety. Comprising a mounting seat which is provided with a mounting hole connected with a wheel stretcher through a fixing piece; the cylinder body is mounted on the mounting seat and is used for accommodating an oxygen bottle; the arc-shaped plates are arranged in the cylinder body and are uniformly distributed at intervals along the circumference, an anti-skid layer is arranged on the inner wall of each arc-shaped plate, and a gap is formed between the outer wall of each arc-shaped plate and the inner wall of the cylinder body; and the damping assemblies are arranged between the arc-shaped plates and the barrel correspondingly.

[Problem] To provide a method for improving the taste of an alcoholic beverage to make the taste of the alcoholic beverage mellow, and an alcoholic beverage produced by said method. [Solution] The present invention is a method for improving the taste of an alcoholic beverage, said method comprising a nanobubble mixing step for using an oxygen cylinder and a nanobubble generation device to generate bubbles of nanobubble oxygen in an alcoholic beverage stored in a non-sealed container so that the bubbles are mixed into the alcoholic beverage.

The invention provides an oxyacetylene overload ablation testing device and method, and belongs to the field of rocket engine testing. The device comprises a testboard, an oxygen cylinder, an acetylene cylinder, a spray gun assembly and a clamping assembly, the oxygen cylinder, the acetylene cylinder, the spray gun assembly and the clamping assembly are arranged on the testboard, the spray gun assembly comprises a spray gun pipe and a spray gun head, the spray gun pipe is arranged on the testboard in the first direction, and the spray gun head is arranged at the end of the spray gun pipe; the spray gun head is respectively communicated with the oxygen cylinder and the acetylene cylinder, the spray gun head is arranged towards the clamping assembly, and the sample is arranged on the clamping assembly. By adopting the oxyacetylene overload ablation testing device and method provided by the embodiment of the invention, the problem of low safety caused by manual holding of a spray gun in the prior art can be solved.

A device for adjusting the concentration of anesthetic gas includes a working panel, an anesthetic gas cylinder, an oxygen cylinder, a mounting bracket, an electric telescopic rod, and an extraction plate. The anesthetic gas cylinder and the oxygen cylinder are fixed to the upper side of the working panel. The mounting bracket is fixed to the upper side of the working panel, and the electric telescopic rod is fixed to the mounting bracket. The extraction plate is located inside the anesthetic gas cylinder and the oxygen cylinder, and is fixed to the lower side of the electric telescopic rod. There are two electric telescopic rods and two extraction plates. Both the inlet and outlet of the anesthetic gas cylinder and the oxygen cylinder are equipped with electronic valves. Because this invention includes anesthetic gas cylinders and oxygen cylinders, the electric telescopic rod pulls the extraction plate inside the anesthetic gas cylinder and the oxygen cylinder to the corresponding stroke, creating a negative pressure of the corresponding pressure value inside the cylinder. When anesthetic gas and oxygen are input, the cylinder can store the corresponding volume of anesthetic gas and oxygen, thereby achieving a precise anesthetic gas concentration ratio.