44results about How to "Avoid suffocation" patented technology

The invention discloses a gas generator and energy storage battery hybrid energy supply scheduling strategy, belongs to the technical field of storage and charging, and mainly solves the problems that in an energy supply mode of a gas generator in existing oil and gas drilling operation, the power generation efficiency of the gas generator is low, and the gas generator is prone to flameout when coping with an impact load. Measuring and acquiring data of voltage and current of oil and gas drilling operation energy consumption equipment, the starting number of gas generators and the residual electric quantity of an energy storage battery; 2, calculating the real-time total power, the power abrupt change rate and the load rate of the gas generator according to the measured data; 3, the number of gas generators needing to be started and the charging and discharging state of energy storage electricity are determined according to the calculation and analysis result; and 4, repeating the steps 1-3 until the drilling operation is finished. The scheduling strategy depends on an existing energy management system, the starting number of the gas generators and the charging and discharging states of the energy storage batteries are reasonably controlled by combining the total power fluctuation characteristics of oil and gas drilling operation, comprehensive management of hybrid energy supply of the gas generators and the energy storage batteries in the oil and gas drilling operation is achieved, the power generation efficiency of the gas generators is improved, and the energy consumption is reduced. Meanwhile, flameout of the gas generator is avoided, and operation safety is guaranteed.

The invention discloses a hydraulic station with a dustproof structure, and relates to the technical field of hydraulic stations, the hydraulic station with the dustproof structure comprises a hydraulic station main body, and a control panel is fixedly mounted on the outer wall of the hydraulic station main body. Dust drifting away from the top of the hydraulic station body can be adsorbed through cooperation of a fan, a hose and a dust collecting cover, the dust is prevented from falling on the surface of the hydraulic station body to affect normal operation of the hydraulic station body, and then the dust can be filtered and stored through a collecting box and a filter screen; the dust collection cover can be driven to swing back and forth above the hydraulic station main body through reciprocating rotation of the swing rod on the outer wall of the stand column, and the dust collection range of the dust collection cover can be expanded through reciprocating swing of the dust collection cover, so that dust drifting away from the top of the hydraulic station main body can be fully adsorbed by the dust collection cover, and the dust removal effect can be improved; a large amount of dust is prevented from being attached to the hydraulic station body in the operation process.

The invention relates to the technical field of tea processing equipment, in particular to asparagus tea production equipment and a manufacturing process thereof.The asparagus tea production equipment comprises a support body, the support body is rotatably connected with a supporting plate at one end, the asparagus tea production equipment further comprises two supporting seats, first lantern rings are fixed to the top ends of the supporting seats, and the supporting seats are oppositely arranged on the supporting plate; under the action of the heat energy recovery mechanism and the dehumidification mechanism, hot air flow in the rotary cylinder preheats asparagus raw materials in the feeding hopper after dehumidification, high-purity alumina fibers can greatly reduce heat loss in the rotary cylinder, heat energy generated by the equipment is efficiently utilized, and compared with traditional equipment, more energy is saved; the hot air flow heats the asparagus raw materials from outside to inside, and the microwaves can heat the asparagus raw materials from inside to outside, so that the fixation efficiency is greatly improved, and the uniform heating effect enables the finished asparagus tea to be good in color and high in freshness.

The utility model belongs to the technical field of air-conditioning clothes, in particular to an air-conditioning clothes, which comprises an air-conditioning clothes, a circulating water pump and two external water pipes, a flow guide water pipe is arranged on the air-conditioning clothes, the flow guide water pipe is bent and coiled on the air-conditioning clothes, one side of the air-conditioning clothes is fixedly connected with a connecting block, the bottom end of the connecting block is fixedly connected with two connecting ends, and the two connecting ends are connected with the circulating water pump. A plurality of anti-folding frameworks are arranged in the flow guide water pipe, and each anti-folding framework comprises a main connecting rod, a connecting ball and a limiting cover; a plurality of groups of anti-folding frameworks are mutually limited, so that the flow guide water pipe cannot be locally bent excessively, and when the flow guide water pipe is extruded by the outside, gaps can be formed in two sides of the main connecting rod, the connecting ball and the limiting cover, so that a water source in the flow guide water pipe can normally pass through, and the flow guide water pipe is prevented from being blocked; therefore, the circulating cooling effect of the cooling water is prevented from being affected, the circulating water pump is prevented from being damaged, and the device can be used more stably.

The present invention discloses a special pillow device for assisting sleeping sideways; it comprises a main pillow body and a fixing part A for fixing the main pillow body; the main pillow body has a bottom surface suitable for abutting against a bed surface, a slope surface suitable for resting the back of a human body, and a side surface suitable for being fixed with the fixing part A; the fixing part A is detachably connected to one side of the bed edge so as to limit and fix the main pillow body to the bed surface. Beneficial effect: the main pillow body is fixed by the fixing part A so as not to slip and to facilitate the back of a snoring person to rest on the side, so as to reliably assist the snoring person to maintain side sleeping, thereby making the present invention highly reliable to use, and thus, the present invention has a good use effect.

The utility model discloses a newborn turn-over pillow, and particularly relates to the technical field of turn-over pillows, the newborn turn-over pillow comprises a right pillow and a left pillow, close sides of the right pillow and the left pillow are connected through a connecting assembly, the connecting assembly comprises a right connecting piece fixed on the right pillow and a left connecting piece fixed on the left pillow, the right connecting piece comprises an auxiliary cotton piece, and the auxiliary cotton piece is connected with the left connecting piece through a connecting piece. The auxiliary cotton piece is provided with a sliding buckle shaped like a Chinese character'ri ', a cotton cushion is fixed to the top end of the buckle shaped like the Chinese character'ri', a first hook-and-loop fastener loop face is fixed to the top end of the cotton cushion, the left connecting piece comprises a first hook-and-loop fastener hook face, and the bottom end of the first hook-and-loop fastener hook face can be fixed to the top end of the first hook-and-loop fastener loop face in a pasted mode. Second hook-and-loop fastener hook faces are fixed to the front end and the rear end of the side, away from the right connecting piece, of the right pillow, second hook-and-loop fastener loop faces are fixed to the front end and the rear end of the side, away from the left connecting piece, of the left pillow, and the second hook-and-loop fastener hook faces can be fixed to the second hook-and-loop fastener loop faces in an adhering mode. The bed has the functions of lying on the back and turning over, and is wide in application range.

The invention discloses a safe sputum aspirator for emergency internal medicine, and belongs to the field of sputum aspirates.The safe sputum aspirator comprises a main machine, the main machine is used for generating negative pressure to suck sputum, a sputum storage tank is detachably installed on one side of the main machine, and the output end of the sputum storage tank is connected with the air suction end of the main machine through a first main pipe; the input end of the sputum storage tank is detachably connected with a second main pipe, and the end, far away from the sputum storage tank, of the second main pipe is detachably provided with a pipe dividing device. By arranging the first sputum suction pipe and the second sputum suction pipe, sputum can be prevented from being adhered to the second sputum suction pipe, and then bacteria of the upper respiratory tract are prevented from infecting the lower respiratory tract; the first sputum suction pipe does not directly enter the lower respiratory tract, the first sputum suction pipe and the second sputum suction pipe are separated, the diameter of the first sputum suction pipe is large, solid particles can be sucked, it is prevented that the solid particles are pushed into the lower respiratory tract to cause suffocation or severe cough of a patient, protection on the patient is enhanced, the infection risk is reduced, and the accident rate is reduced.

The utility model provides an elbow assembly and a breathing mask, comprising: an elbow, the two ends of which are respectively provided with a breathing port and an air source interface, and the elbow is also provided with a mounting hole; and the anti-suffocation valve comprises a valve body detachably assembled in the mounting hole and provided with a communication port and a valve plate elastically connected to the valve body and located in the bent pipe, the communication port is used for being communicated with the outside atmosphere, and the valve plate can be bent to seal the air source connector or the communication port so that the breathing port can be communicated with the communication port or the air source connector. The mounting hole is formed in the bent pipe, and the anti-suffocation valve is detachably assembled in the mounting hole, so that the disassembly and assembly difficulty of the anti-suffocation valve is greatly reduced; moreover, the valve body of the anti-suffocation valve is provided with the communicating port communicated with the outside atmosphere, when the valve plate is bent to the sealed air source connector, the breathing port is communicated with the communicating port, it is guaranteed that the outside atmosphere can be breathed into the breathing port when an air source is not connected or the air source is abnormal, and the suffocation phenomenon is avoided.

The invention relates to the technical field of medical instruments, and discloses an anti-hypoxia sputum suction catheter which comprises an oxygen uptake catheter and a sputum suction catheter assembly arranged in the oxygen uptake catheter in a penetrating mode, the right end of the oxygen uptake catheter and the right end of the sputum suction catheter assembly are communicated with a three-way pipe, and the periphery of the three-way pipe is fixedly connected with a fixing shell. The left end of the three-way pipe is fixedly connected with a check valve, the right end of the three-way pipe is communicated with a branch pipe and a connecting pipe, the tail end of the connecting pipe is provided with a pneumatic pump, and the middle of the pneumatic pump is fixedly connected with an adjusting valve. By means of the coaxial double-tube structure and the three-way tube shunt design, continuous oxygen supply is kept while the sputum aspirator goes deep into an airway for sputum aspiration, suffocation of a patient is effectively prevented, accurate adjustment and visual monitoring of negative pressure are achieved by means of the pneumatic pump assembly integrating the adjusting valve and the display screen, and the safety and efficiency of sputum aspiration operation are remarkably improved.

The invention relates to the technical field of aquatic product oxygenation, and discloses an aquatic product oxygenation system and method based on an aquatic product floating head monitoring system, and the system comprises an oxygenation judgment module which is configured to collect the floating head condition of fishes in a to-be-detected water area, and judges whether the to-be-detected water area needs to be oxygenated or not; the oxygenation calculation module is configured to collect the content of dissolved oxygen in the water area to be detected and calculate the oxygenation content required by the water area according to the standard oxygen content of the water area; the oxygenation adjusting module is configured to collect the real-time air pressure value of the water area and adjust the oxygenation content needed by the water area for the first time according to the real-time air pressure value; the oxygenation adjusting module is further configured to collect the temperature of the water area in real time, conduct secondary adjustment on the oxygenation content needed by the water area according to the environmental factors, and conduct oxygenation on the water area with the oxygenation content needed by the water area after secondary adjustment as the final needed oxygenation content; and a storage module. According to the invention, efficient and accurate oxygenation control is realized through multi-dimensional data acquisition and intelligent judgment.

The application discloses a nasal oxygen supply catheter device, which comprises a gas supply pipeline, two inner branch pipes extending from the wall of the gas supply pipeline, an outer covering component, a blocking member and a flexible tube switcher. The outer covering component comprises an outer covering pipe located at the periphery of the gas supply pipeline and an outer protective pipe sleeved outside the inner branch pipes. The blocking member is attached to the end of the outer protective pipe. The flexible tube switcher is attached to the end of the inner branch pipes. The outer covering component and the gas supply pipeline define an outer flow channel, which comprises a first outer flow channel defined by the outer protective pipe, the inner branch pipes and the flexible tube switcher, and a second outer flow channel defined by the outer covering pipe and the gas supply pipeline and communicating with the first outer flow channel. The inner side of the inner branch pipes and the flexible tube switcher defines an inner flow channel.

The utility model discloses an assembly line for cleaning polyurethane molds. The assembly line comprises an automatic mold inlet track, an automatic mold outlet track, a conveying belt, a protective door, a protective cover, a cleaning operation table, an exhaust shutter door, a garbage collector, an oil dripping prevention tray, a sliding door track, an automatic opening and closing gate and a smoke exhaust port. According to the polyurethane mold cleaning assembly line, 140 sets of molds can be cleaned every day, the isolation cover can prevent pollutants from flying everywhere, the pollutants can be conveniently collected in a centralized mode, meanwhile, cleaning personnel can be protected against harm of the pollutants and noise (the field noise is about 40 decibels), the ventilation system can prevent the cleaning personnel from suffocating with carbon dioxide, and the cleaning efficiency is improved. The combination of the dry ice machine and the assembly line can save labor and improve cleaning efficiency.

The utility model provides a limited space welding operation intelligent monitoring safety device which comprises a gas detector installed in an installation box, a gas inlet of the gas detector is connected with a gas guide pipe, and one end of the gas guide pipe extends out of the installation box. The gas detector is electrically connected with a controller, the controller is electrically connected with a warning indicator and a control switch, and the control switch is connected into a power supply circuit of the welding machine through a wire. When the gas detector detects that the concentration of poisonous gas in the space where welding operation is located exceeds the safe concentration, the gas detector sends an electric signal to the controller, the controller regulates and controls the control switch to be switched off, and the warning indicator is started for warning. According to the device, the gas detector, the controller and the warning indicator are integrated in the mounting box, the mounting box can be carried to a limited space, poisonous gas is detected in real time, the detection efficiency is improved, the continuity of welding operation is guaranteed, and the welding progress is accelerated.

This utility model discloses a centrifugal filter for easy material discharge, comprising a fixed frame, a power unit, and a centrifugal filter device. The power unit and the centrifugal filter device are mounted on the fixed frame, and the power unit is drivenly connected to the centrifugal filter device. The centrifugal filter device includes a housing and a filter element, which is disposed inside the housing and drivenly connected to the power unit. This centrifugal filter for easy material discharge has a simple structure and is convenient and practical. The rotational force drives the lower cover to rotate, and the instantaneous rotational torque of the lower cover causes the lower cover to drive the lead screw to rotate. Thus, the lead screw moves along the screw until the lower cover contacts or separates from the filter ring, achieving the purpose of material discharge or closing the filter ring for filtration.

The invention discloses a cold compress device for cerebral hemorrhage of a hypertensive patient, and belongs to the field of cold compress cooling, the cold compress device comprises a cold compress cap, a cold compress cavity formed in the cold compress cap, a cold compress liquid bag arranged in the cold compress cavity, and a sealing cover arranged at the top of the cold compress cap; a supporting and positioning structure is arranged on the rear side of the cold compress cap. The supporting and positioning structure comprises a reinforcing plate and a first triangular inclined block arranged on the reinforcing plate. The reinforcing plate is provided with an adjusting structure used for adjusting the position of the first triangular inclined block. Through the first triangular inclined block in the supporting and positioning structure, the inclination angle of the head of the patient can be accurately and stably fixed, and the situation that dirt cannot be discharged due to the fact that the patient automatically adjusts the head position in an unconscious state is prevented. When the head of the patient is in an inclined state, dirt in the mouth can naturally flow out, and medical accidents such as suffocation and aspiration pneumonia caused by automatic resetting of the head are avoided.

This application provides a valve testing system before aerospace assembly and installation. The system includes: an external gas distribution control panel, a safety box, an operating workbench and clamping device, a video monitoring system, a gas concentration monitoring system, and an emergency ventilation system. The operating workbench and clamping device, and the gas concentration monitoring system are housed inside the safety box; the external gas distribution control panel is located outside the safety box; the video monitoring system is located beside the external gas distribution control panel; and the emergency ventilation system is mounted on the safety box. This application includes a rapid gas filling and assembly function, a pressurized gas filling and assembly function, and a DC adjustable regulated power supply output function for pressurization. The various functional modules can be flexibly switched according to the valve type, shortening the single test cycle, improving valve testing efficiency and safety, and providing hazard warning functions.

The utility model discloses tablet tabletting equipment, which is characterized in that a first bracket is arranged on a bottom plate, a lower bearing plate is arranged in the first bracket, and a pressing template is arranged at the top of the first bracket. The die pressing plate is provided with a die cavity, the lower bearing plate is provided with a through hole, a lower mounting plate is arranged above the through hole, a lower jacking column is arranged at the top of the lower mounting plate, and a first electric push rod is arranged below the through hole. A supporting column is arranged at the upper end of the die pressing plate, an upper bearing plate is arranged at the top of the supporting column, a through hole is formed in the upper bearing plate, a supporting plate is arranged above the upper bearing plate, an upper mounting plate is slidably mounted on the supporting plate, an upper jacking column is arranged at the bottom of the upper mounting plate, and a spring is sleeved outside the upper jacking column. A third support is arranged on the bottom plate and provided with a third electric push rod, the third electric push rod is in driving connection with the upper mounting plate, a medicine inlet pipe is obliquely inserted into the upper bearing plate in a penetrating mode, and the upper end of the medicine inlet pipe is connected with the quantitative medicine feeding mechanism. A push plate is further arranged between the die pressing plate and the upper bearing plate to push medicine. The equipment is simple in structure, low in failure rate and convenient to maintain, and can be quickly and simply adjusted to adapt to the production thicknesses of different tablets.

The utility model relates to a spiral cleaning machine for a grain silo, which comprises a machine head transmission device, the machine head transmission device is connected with one end of a machine body supporting device, the other end of the machine body supporting device is connected with a revolution propelling device, and an auger shaft is rotatably mounted on the machine body supporting device. One end of the auger shaft is in driving connection with the output end of the machine head transmission device; the auger shaft is a variable-pitch auger shaft and comprises a transmission shaft and a spiral blade arranged on the transmission shaft, and the pitch of the spiral blade is gradually increased in the direction from the revolution propelling device to the machine head transmission device. According to the spiral bin cleaning machine, the variable-pitch auger shaft is adopted, the unevenness of feeding and conveying materials of the auger shaft can be effectively prevented, it is guaranteed that the materials above all sections of the auger shaft are in a flowing state, the rotation resistance encountered by the spiral blades is reduced, the conveying efficiency of grain materials is improved, and the conveying efficiency of the grain materials is improved. And meanwhile, the auger shaft is prevented from being blocked by collapsed materials.

The utility model discloses a plant variety breeding test platform, which relates to the technical field of test platforms and comprises a test platform and a seedling culture cavity arranged at the upper end of the test platform, a ventilation component is arranged at the upper end of the seedling culture cavity, a light supplementing component is arranged on one side of the ventilation component, and seedling culture compartments are uniformly distributed in an inner cavity of the seedling culture cavity. The ventilation assembly comprises a mounting cavity fixed to the upper end of the seedling culture cavity, a through notch is formed in one side of the mounting cavity, a main groove cavity is formed in an inner cavity of the mounting cavity, and a second automatic telescopic rod is fixedly connected to one side of the inner wall of the main groove cavity; a lifting supporting plate is arranged at the upper end of the first automatic telescopic rod, and a lighting part is arranged at the bottom of the lifting supporting plate, so that the breeding test platform provides a stable lighting environment for plants conveniently, photosynthesis of the plants is promoted, plant seedlings grow rapidly, and the breeding and breeding efficiency of plant varieties is ensured; the practicability of the device is improved.

The utility model discloses a wrapping type rat fixing device, which belongs to the technical field of medical animal experiments, and is technically characterized by comprising a grid base, a head fixing belt and a trunk wrapping belt, the grid base is made of a planar net-shaped stainless steel material, and internal steel wires of the grid base can be tailored according to the body type of a rat; the base is connected with the head fixing belt and the trunk wrapping belt, the head fixing belt is formed by splicing a hook-and-loop fastener with a hook face and a loop face in a front-and-back mode, the head fixing belt is arranged above the trunk wrapping belt and used for fixing the head position of a rat, and the trunk wrapping belt is formed by sewing a piece of rectangular coarse cotton cloth and two pieces of rectangular hook-and-loop fasteners. The rat fixing device is arranged at the reserved position in the center of the grid base and used for wrapping the upper limbs, the trunk and the buttocks of a rat, is suitable for animal experiments of non-invasive intervention treatment, can effectively fix rats of different figures and reduce stress behaviors of the rats in the experiment process, and has the advantages of being stable in structure, low in cost, easy to operate and easy to clean and store.

The invention belongs to the technical field of medical breathing support equipment, and discloses a breathing machine gas path system and a use method, the system comprises an air input channel, an oxygen input channel, an air-oxygen mixing device and a controller; one end of the air-oxygen mixing device is provided with an air mixing inlet and an oxygen mixing inlet, and the other end is connected with a mixing output pipeline; the oxygen mixing inlet is connected with a Venturi tube arranged in the air-oxygen mixing device; the mixed output pipeline is connected with an anti-suffocation valve through a pipeline, the other end of the anti-suffocation valve is connected with a breathing connector through a pipeline, and the pipeline for connecting the anti-suffocation valve and the breathing connector is connected with an anti-suffocation exhaust port through a bypass; a first two-position three-way normally-closed valve is connected to the pipeline connecting the anti-suffocation valve and the mixed output pipeline through a bypass. The two-position three-way normally-closed valves are combined with the air-oxygen mixing cavity, so that air path modularization and standardization are achieved, the system structure is remarkably simplified, and the number of parts and connectors is reduced.

The utility model relates to a folding bicycle frame and a folding bicycle, which comprise a main beam pipe, a folding frame, a folding frame and a folding frame, and are characterized in that the main beam pipe comprises a first section and a second section; the head pipe component and the vertical pipe are connected with the ends, away from each other, of the first section and the second section respectively, and the vertical pipe is connected with a five-way component; a first end head and a second end head are respectively formed at two ends of the inhaul cable; the first end is hinged to the five-way component and / or hinged to a structure connected with the five-way component, and the second end is connected with the first section and / or the head pipe component. The first end can rotate around a first axis parallel to the axial direction of the five-way component relative to a hinge structure hinged to the first end. When the folding frame is switched from the unfolded state to the folded state, the acting piece can provide torsional force for the first end, and the first end can rotate relative to the hinge structure under the action of the torsional force. When the folding frame is switched from the unfolded state to the folded state, the first end can automatically rotate relative to the hinge structure under the action of torsional force applied by the acting piece, so that the first end is prevented from being blocked when the folding frame is folded.

The utility model provides a gantry structure and production equipment, and relates to the technical field of production equipment. In the gantry structure, two second axial modules are arranged in parallel at an interval, and a first axial module is arranged between the two second axial modules in a crossing manner; the joint module is located between one end of the first axial module and the second axial module. Each joint module comprises a joint bearing assembly and a coupling shaft assembly; the joint bearing assembly and the coupling shaft assembly are respectively connected with the first axial module or the second axial module; the joint bearing assembly is connected to the connecting shaft assembly in a sleeving mode, and the first axial module and the second axial module are connected at a target angle alpha. According to the gantry structure, the second axial module and the first axial module can be connected at the target angle alpha, the positioning error and / or the size error of the first axial module and the second axial module are / is compensated, the positioning and assembling difficulty of the gantry mechanism is reduced, and the problem that the friction force of a movement mechanism is increased or suffocated is solved.

The utility model provides a kind of fixed anesthesia cage for teaching test animal, including first box, second box and head fixing device;The upper side of first box is open, fixed slide rail is on first box, corresponding slider is set to second box, and fastening bolt is equipped on slide rail;The side of first box towards second box has first through-hole, and the side of second box towards first box is open end;Head fixing device is clamping portion symmetrically arranged on both sides of first through-hole;Clamping portion includes elastic connecting piece, fixed block and locking adjusting block.The utility model fixes rabbit's cheek, avoids pressing rabbit neck, causes experimental rabbit asphyxia death, the length of first box can be telescopic adjustment, satisfy different rabbit body shape, avoid head exposure, rabbit occurs stress reaction when puncturing, rabbit ear is clamped by the opposite side of first box and second box, ear clamping is stable and firm, avoid rabbit ear swing when actual operation, ensure that anesthesia test is normally carried out.

The application discloses a surgical equipment applied to bronchoscope surgery, which comprises a transversely arranged operating table plate, a tilting component and a lifting component arranged in sequence below the operating table plate and used for tilting the operating table plate, and a bronchoscope surgery auxiliary component arranged on one side of the operating table plate; an arc-shaped through hole is formed in a first arc plate, a second arc plate is slidably arranged in the through hole, both ends of the second arc plate extend out of the through hole, and the both ends of the second arc plate are connected with the lower side of the operating table plate respectively, the tilting component further comprises a moving assembly used for driving the second arc plate to slide in the through hole, and the lifting component is arranged on the side of the first arc plate away from the operating table plate; a drainage assembly comprises a catheter used for extending into a human trachea and a guiding assembly used for supporting and fixing the catheter, and an expansion assembly is arranged on the outer wall of one end of the catheter and used for abutting against the inner wall of the human trachea. Through the mutual cooperation of the above-mentioned structures, the blood can be prevented from flowing into the lung to cause asphyxia when massive hemorrhage occurs in the bronchus.

The present application relates to the technical field of medical devices, in particular to an auxiliary support structure of a tracheal cannula. The technical problem is that the angle of the dental pad of the existing auxiliary support device of the tracheal cannula is fixed, and the contact point between the device and the patient's skin is fixed, resulting in low comfort of the device. An auxiliary support structure of a tracheal cannula comprises an arc-shaped mounting plate, a buckle is arranged on the arc-shaped mounting plate, an elastic pull belt is arranged at one end of the arc-shaped mounting plate away from the buckle, a tension belt is connected to the buckle, a magic tape is arranged on the tension belt, and a supporting pad is connected between the elastic pull belt and the tension belt. Medical staff can adjust the angle of the sliding mounting block and the dental pad by rotating the block, so that the dental pad is more suitable for extending into the patient's oral cavity. In this way, the dental pad can better adapt to the patient's oral condition, and the comfort of the device is improved.

The present invention relates to a pneumatic exhaust brake speed regulation method under a domain control architecture, comprising an engine torque control sub-process, a gearbox AMT control sub-process, and an engine exhaust brake speed regulation sub-process; the gearbox AMT control sub-process is used to determine and send ATM request information; the engine torque control sub-process is used to perform torque limiting operations on the engine, including an engine torque limiting mode; the engine exhaust brake speed regulation sub-process is used to perform speed regulation operations and exhaust brake operations on the engine, including a speed regulation preparation stage and a speed regulation stage; the engine torque control sub-process, the gearbox AMT control sub-process, and the engine exhaust brake speed regulation sub-process are in a parallel processing relationship. The present invention fully compensates for the hysteresis of the pneumatic exhaust brake response; realizes that the exhaust brake assists in the engine torque unloading stage; when the gearbox directly exits the torque unloading and enters the torque return, the exhaust brake can be exited in time to avoid the engine stalling; and optimizes the engine speed regulation time.

The present invention discloses a miniature energy-saving oil-electric hybrid four-wheel drive loader, which specifically relates to the technical field of oil-electric loaders, including a vehicle body, a base fixedly connected to the top of the vehicle body, an operating steering wheel provided on one side of the top of the vehicle body, a hydraulic rod provided on one side of the vehicle body, a bucket connected to one end of the hydraulic rod, a frame fixedly connected to the top of the vehicle body, a seat fixedly connected to the top of the base, and armrests fixedly connected to both sides of the top of the base and the corresponding position of the seat, first fixing bolts provided on both sides of the seat, and the seat is threadedly connected to a connecting plate through the first fixing bolts. The present invention provides surrounding side panels and pads, and the bottom pad can fit and support the bottom of the driver's legs. Compared with the prior art, it can be adapted according to the driver's body shape when the driver is sitting, reducing the impact on the health of the body caused by uncomfortable sitting posture during work, ensuring the loading work of the driver, and meeting the use needs.

The utility model discloses an anti-leakage humidifying tank, which relates to the technical field of humidifying tanks and comprises a humidifying tank body, an air inlet and an air outlet, one side of the top end of the humidifying tank body is connected with the air inlet, and one side of the top end of the humidifying tank body far away from the air inlet is connected with the air outlet. When the humidifying tank capable of preventing leakage is used, the silica gel plug moves upwards to be close to the water injection port baffle through the floating valve, then the water injection pipe is automatically plugged, the phenomenon of water leakage at the water injection pipe is prevented, then the sealing performance of the humidifying tank is improved, and therefore the effect of preventing leakage is achieved; according to the humidifying tank, the air can not directly impact the liquid level in the humidifying tank body, so that bubbles in a solution are reduced, the situation that the concentration of output oxygen is reduced due to excessive bubbles, and then the respiratory tract of a patient coughs or suffocates due to over-moistening is prevented, and therefore the effect of conveniently reducing the water volume of the bubbles is achieved when the humidifying tank is used.