505 results about "Gas bladder inflation" patented technology

The invention relates to the technical field of sewage treatment, and discloses integrated sewage treatment equipment and technology.The integrated sewage treatment equipment comprises an aerobic reaction tank, an aeration tank and a clean water tank, a membrane assembly is arranged in the aeration tank, an aeration assembly is arranged at the bottom of the membrane assembly, and a lifting seat is vertically and slidably connected to a fixing frame of the membrane assembly; a plurality of aeration flow guide parts are linearly arranged on the top surface of the lifting seat at equal intervals, a suspension mechanism is arranged on the bottom surface of the lifting seat, each aeration flow guide part comprises a flow guide plate fixedly connected with the lifting seat, clamping plates are connected to the two symmetrical sides of each flow guide plate, and a plurality of flow guide grooves are formed in the sides, opposite to the clamping plates, of the flow guide plates. The air bag is inflated through the residual pressure of the air supply equipment, the lifting seat is driven to intermittently ascend and descend, the flow guide plate guides the bubbles through the inclined surface in the vertical movement process, the bubbles are gathered in the flow guide holes, and therefore the scouring force of the bubbles on the surfaces of the membrane filaments is improved, contact type cleaning is avoided, and the service life of the membrane filaments is prolonged.

The invention provides a double-layer combined air bag material for foundation pit dewatering well plugging and an intelligent preparation process, and belongs to the technical field of air bag materials for foundation pit plugging. Comprising an outer-layer air bag, an inner-layer air bag, an inflation system and a control system, the outer-layer air bag and the inner-layer air bag form a honeycomb type distribution structure, the outer-layer air bag wraps the inner-layer air bag, and the contact face of the outer-layer air bag and the inner-layer air bag is of a curved surface attaching structure; the surface of the inner-layer air bag is coated with a waterproof sealing layer, the inflation system and the control system are arranged on one side of the outer-layer air bag, and the control system is electrically connected with the inflation system. By means of the double-layer combined air bag structure and the inflation control system, the problems that a traditional single-layer air bag is insufficient in pressure resistance, prone to deformation and leakage, poor in environmental adaptability and lack of real-time monitoring and adjusting in foundation pit dewatering well plugging are solved, and the stable, lasting and intelligent plugging effect still can be kept in the complex environment of the foundation pit dewatering well.

The invention provides a post-grouting FRP steel pipe pile construction method and device and a miniature composite pile. The method comprises the steps that firstly, bottom positioning parameters of a composite pile comprising multiple sections of pile body rod units are obtained, and according to the bottom positioning parameters, segmented grouting equipment comprising an air bag, an air injection hose and a grouting hose is hoisted to the bottom of the pile; the air bag is inflated through the air injection hose to form a closed grouting space; cement paste is injected into the space through a grouting hose, and the cement paste is injected into an external soil body around the pile body rod unit through a one-way circulation hole in the pile body rod unit; when the interior of the pile body of the composite pile is filled with cement paste and external grouting is completed, grouting is stopped, and air in the air bag is released; and the equipment is lifted to the previous section of pile body rod unit, and the steps are repeated till full-length grouting of the pile body is completed. Through precise positioning, segmented grouting and intelligent control, it is ensured that the pile body and soil around the pile are filled with cement paste, the bearing capacity and corrosion resistance of a pile foundation are enhanced, and efficient and durable foundation reinforcement is achieved.

The invention provides a chimney titanium composite plate welding seam argon protection welding device, and belongs to the field of protection welding equipment.The chimney titanium composite plate welding seam argon protection welding device comprises a surrounding part which comprises an inner ring arranged in a cylindrical titanium composite plate, an inflation air bag is fixedly connected to the outer portion of the inner ring, and an air bag gas conveying pipe is fixedly connected to the right side of the inflation air bag; an argon conveying pipe is fixedly connected to the interior of the inner ring, a rotating ring shell is rotationally connected to the exterior of the inner ring, an exhaust port is fixedly connected to the exterior of the rotating ring shell, and a pushing assembly is arranged on the exterior of the rotating ring shell. The surrounding component is arranged, the rotatable rotating ring shell is used for driving the exhaust port to move, the argon outlet position can be adjusted according to the welding position, the welding position can be filled with argon all the time, the welding quality is prevented from being affected, meanwhile, adhesive tape is not needed for sealing, the operation convenience is improved, and the welding efficiency is improved. And the freely telescopic sliding column can retract into the fixing shell after welding is completed, and the welding stroke is prevented from being affected.

The utility model discloses a glass bottle conveying mechanism, which relates to the technical field of glass bottle conveying and comprises a base and a mounting seat, a conveying belt is rotatably connected to the inner side of the conveying belt, a fixing rod is fixedly connected to the bottom of the conveying belt, a mounting plate is fixedly connected to the bottom of the fixing rod, and a fixing cylinder is fixedly connected to the bottom of the mounting plate. An air bag is fixedly connected to the bottom of the fixing cylinder and communicates with the inner space of the fixing cylinder, an inflation device is fixedly connected to the upper side of the mounting plate, an air pipe is fixedly connected between the inflation device and the fixing cylinder, an exhaust port is formed in the outer portion of the fixing cylinder, and an exhaust mechanism is mounted on the outer portion of the fixing cylinder. According to the device, rapid installation is completed by simply inflating the air bag to abut against the opening of the glass bottle, the air bag can be conveniently deflated to demount the glass bottle, the glass bottle can be rapidly demounted and mounted through the simple device, the manufacturing cost of the conveying device is greatly reduced, the glass bottle mounting and dismounting efficiency is improved, and machining and production of the glass bottle are facilitated.

The utility model relates to a pair of comfortable, fit and pressure-relief injection-molded shoes, which comprises vamps, insoles are connected below the vamps, outsoles are connected below the insoles, insoles are arranged on the inner sides of the vamps, and adjusting mechanisms are arranged on the inner sides of the vamps. According to the comfortable, fit and pressure-reducing injection molding shoe, the front pressure reducing mechanism is used for reducing pressure of the foot sole, the rear pressure reducing mechanism is used for reducing pressure of the heel, the pressure reducing advantage is achieved, the movable pipe and the movable piece can be linked to rotate by rotating the connector ring, and when the movable air hole of the movable piece is communicated with the fixed air hole of the fixed pipe, the air bag can be inflated or deflated; when the movable air hole of the movable piece and the fixed air hole of the fixed pipe are arranged alternately, the air bag is in a sealed state, the inner size of the vamp can be reduced by inflating the air bag, and the inner size of the vamp can be increased by deflating the air bag, so that the size of the shoe is matched with that of a foot, and the shoe has the advantage of fitting the foot.

The invention discloses an air bag impact force detection tool, which comprises an air bag accommodating tool and a detection plate which are oppositely arranged at an interval, and is characterized in that the detection plate is provided with at least one first pressure sensor; the air bag containing tool comprises an installation side plate, an air bag containing part and a clamping part, wherein the air bag is fixedly connected to the installation side plate; the boundary fixing plate is fixedly connected to the mounting side plate; the boundary fixing plate is used for limiting an expansion boundary after the air bag is inflated; the door plate is connected to the boundary fixing plate in a pivoted mode, and the door plate can open or close the containing space limited by the installation side plate and the boundary fixing plate; in an initial state, the air bag is accommodated in the accommodating space; and in an inflation state, the impact force of the air bag pushes the door plate to be opened and acts on the detection plate. According to the invention, the impact force on the vehicle door trim panel when the seat side air bag is unfolded can be truly simulated, and a reliable test environment is provided for performance evaluation of the air bag.

The invention discloses an underwater leakage plugging device and an underwater plugging process, and belongs to the technical field of dam leakage plugging. Comprising two groups of material conveying pipes connected to a diving bell, and further comprises a connecting seat fixedly connected with a grouting pipe, and the connecting seat is connected with the two groups of material conveying pipes; the grouting adapter is fixedly connected to the grouting pipe; the hole blocking plate is detachably connected to the grouting adapter; a baffle is connected to the hole blocking plate in a sliding mode. Through the linkage design of the material storage cavity, the sliding plug and the limiting air bag, when the pressure in the grouting hole is increased due to slurry injection, slurry can be squeezed into the material storage cavity and pushes the sliding plug to slide, and gas in the material storage cavity is inflated into the limiting air bag through the gas supply cavity; after being inflated, the limiting air bag bulges and is squeezed into a small concave part of the inner side wall of the grouting hole to form a multi-point anchoring structure, so that the friction force and the meshing force between the hole plugging plate and the hole wall are greatly improved, the hole plugging plate is effectively prevented from being pushed out of the grouting hole, and the grouting process is ensured not to be interrupted.

The invention relates to the technical field of medical auxiliary instruments, in particular to a self-adaptive compression hemostasis device used after coronary angiography and a hemostasis method.The self-adaptive compression hemostasis device comprises an annular belt used for being worn, a pressure sensor, a humidity sensor, an air pump and a control panel, the pressure sensor and the humidity sensor are arranged on a detection part, and the inner side of the annular belt is provided with a pressure area used for covering a puncture position; an air bag is arranged in the pressure area, a detection part used for making contact with the puncture position is arranged on the inner side of the air bag, a catheter used for conveying air is arranged on the air bag, and the pressure area is constructed to apply compression force to the puncture position through air inflation of the air bag; the air pump is configured to achieve inflation pressurization and exhaust pressure reduction of the air bag by switching the current direction. The control panel is configured to use the control module to drive the air pump to adjust the state of the air bag by taking a preset hemostasis and safety threshold value as a reference so as to form continuous and dynamic self-adaptive adjustment on the compression force of the puncture part, and form negative feedback control on the self-adaptive adjustment by receiving the first electric signal and the second electric signal.

The utility model relates to the technical field of corrugated board production, and discloses a heating device for corrugated board production, which comprises a processing table, a box body is arranged at the inner bottom end of the processing table, an adjusting heating component is arranged at the top of the box body, and an adjusting feeding component is arranged on the side surface of the adjusting heating component. The adjusting feeding assembly comprises a magnetic attraction strip, a limiting sliding seat, a limiting sliding rod, an air pump, a conveying air pipe, an air bag, a magnet block and a limiting clamping plate, and the limiting sliding seat is fixedly connected to the left side of the top plate. According to the heating device for corrugated board production, the feeding adjusting assembly is arranged, an air pump is started to be matched with a conveying air pipe to input air into an air bag, the air bag is inflated and collides, a magnet block is driven to move upwards till the magnet block abuts against the bottom of a magnetic attraction strip, and after the magnet block makes contact with the magnetic attraction strip, magnetic attraction locking can be achieved, and the abutting force is matched; and the paperboard conveying device can be matched with paperboard conveying, the paperboard is limited, and the heating effect is ensured.

The utility model provides a drowning self-rescue knapsack which comprises a knapsack body and a self-rescue device, a cavity is formed in the knapsack body, and the self-rescue device comprises an air bag arranged in the cavity; the air storage tank is arranged in the cavity and is controlled to be communicated with the air bag; the control assembly is arranged on a pipeline through which the air bag is communicated with the air storage tank, and the control tail end of the control assembly is located outside the cavity; high-pressure gas is stored in the gas storage tank, and the control assembly is configured to communicate the gas storage tank with the gas bag when the tail end is controlled to be pulled, so that the gas bag is inflated. The air bag can be rapidly inflated through the air storage tank, and then enough buoyancy is provided for a drowning person through the backpack, so that it is ensured that the drowning person can move in the water body.

The utility model provides a big swan pipe tank mouth air bag locking type sealing device, including main part structure and air bag structure, main part structure contains inner tube, is equipped with outer tube outside the inner tube, is equipped with flange plate in the outer tube bottom, and the flange plate is fixedly connected through bolt and air bag structure, air bag structure contains air bag, inflation hole and fixed frame, and the air bag is clamped and is connected on the upper and lower two sides of fixed frame, and the air bag top is equipped with inflation hole. Through the inflation expansion in the air bag, make it and the tank mouth close adhesion, effectively improve the sealing reliability, avoid oil gas leakage, improve the sealing property further through the sealing washer set up in the connecting place.

This invention belongs to the technical field of water rescue equipment, specifically providing a water rescue inflatable device with an automatic alarm function. It consists of an airbag, a strap connecting the airbags, and a main unit fixed to the strap. The device uses a trigger assembly in conjunction with an electromagnet to release a spring shaft, driving the main gear and secondary gear to mesh and rotate. This drives a rotating light shield to emit a flashing signal from a high-brightness LED and activate the alarm. A water-soluble sheet dissolves and releases the elasticity of the inflation spring, pushing a puncture needle to puncture the inflation cylinder, allowing gas to flow through a diversion cap into the airbag for inflation, simultaneously activating the diving whistle. This device integrates early audible and visual alarms, attitude sensing triggering, mechanical flashing, and pneumatic backup alarms, effectively solving the problems of existing life-saving equipment having a single alarm method, lacking early active alarms, and lacking dual protection mechanisms.

The invention discloses a split Hopkinson pressure bar automatic experiment device based on a multi-axis manipulator and an inflatable plug, the split Hopkinson pressure bar automatic experiment device comprises a rack, a gas gun, a shaper, an incident bar, a transmission bar and a fastener, the multi-axis manipulator is arranged on the side of the gas gun, and a polishing piece, a negative pressure adsorption piece and a clamping piece are integrated at the tail end of the manipulator; an inflatable plug with an air bag is arranged, the plug is provided with an auxiliary air channel and a main air channel, the auxiliary air channel inflates the air bag to seal an outlet of the bore, and then compressed air is introduced into the main air channel to push the bullets back to a firing position; the device sequentially completes end face polishing, reshaper automatic pasting and bullet automatic resetting, full-process automation of experiment preparation and post-treatment is achieved, and manual tweezers pasting and long rod bullet retreating operation can be replaced.

The invention discloses equipment and a method for treating residual liquid medicine of a respiratory anesthesia catheter, and belongs to the technical field of anesthetic treatment. Comprising a treatment barrel with the top detachably connected with a barrel cover, and further comprises a supporting block fixedly connected to the bottom of the barrel cover, a rotating rod is rotationally connected to the supporting block, and a throwing plate is fixedly connected to the rotating rod; the mounting plate is fixedly connected to the swinging plate and is used for placing and connecting a liquid medicine pipe; the baffle is fixedly connected to the bottom of the can cover, an air bag is fixedly connected to the baffle, and the air bag is inflated and swelled and extrudes and jacks the throwing plate clockwise; the air bag is inflated to jack up the throwing plate, the torsional spring is used for releasing elastic potential energy to drive the throwing plate and the mounting plate to rotate and reset, and residual liquid medicine in the liquid medicine pipe can be rapidly thrown out under the action of centrifugal force; meanwhile, the gas in the pressure storage cavity drives the toothed bar to slide and drives the gear to rotate, so that the liquid medicine pipe rotates synchronously, the liquid medicine discharging effect is enhanced by further utilizing the rotating centrifugal force, and compared with manual operation, the residual liquid medicine can be discharged more efficiently, and liquid medicine waste is reduced.

The utility model discloses a robot tail end fully-closed protective cleaning device which comprises a fixing block, a protective mechanism is arranged in the fixing block and comprises an opening formed between the two sides of the fixing block, a fixing ring sleeve is fixedly connected to the inner wall of the circumferential side face of the opening, and an air bag is fixedly connected to the inner wall of the circumferential side face of the fixing ring sleeve. The outer wall of the circumferential side face of the air bag is fixedly connected with a sealing soft sleeve located in the opening. The protective clothing or the protective cover is fixed in the connecting groove through the arranged air bag, the protective clothing or the protective cover is wrapped on the external robotic arm, so that the fixing block is sleeved on the external robotic arm, the air bag is inflated by the fixing pipe, and the air bag drives the sealing soft sleeve to extrude and abut against the external robotic arm; and the air bag and the sealing soft sleeve fill a gap between the device and the external robot arm, so that external dust and other impurities are prevented from entering the gap when the gap is formed between the device and the external robot arm.

The embodiment of the invention provides equipment, a method and a device for measuring blood pressure based on a boosting process. The equipment comprises a cuff with an inflatable air bag, a pressure signal acquisition unit, a piezoelectric signal acquisition unit and a processor, the piezoelectric signal acquisition unit is arranged on the side, attached to the arm, of the cuff, and the pressure signal acquisition unit acquires pressure signals in the cuff in the air bag inflation stage when the equipment is used for measuring blood pressure; the piezoelectric signal acquisition unit is used for synchronously acquiring piezoelectric signals generated by brachial artery pulsation in an air bag inflation stage; and the processor is used for processing the piezoelectric signal to obtain the signal position of the effective Korotkoff sound signal, and obtaining a blood pressure measurement result based on the signal amplitude of the pressure signal at the signal position. In the blood pressure measurement process, the air bag can be inflated slowly and evenly, pressurization is stopped immediately when it is detected that the pressure reaches a target value, the use comfort of the device is improved, meanwhile, Korotkoff sound is accurately detected, and the blood pressure measurement accuracy is improved.

This invention discloses a method for resisting the creep of an auxiliary spring and compensating for height loss due to creep. It uses a mandrel as a base to establish a pneumatic auxiliary support for the auxiliary spring. During application, this support shares the load and impact on the auxiliary spring, and when the auxiliary spring creeps and loses height, it is inflated with gas to compensate for the height loss. Furthermore, the space between the support plate and the mandrel is sealed to form an outer cavity, and a sealed inner cavity is set within the mandrel, connecting the outer and inner cavities. Both cavities are then pressurized to a set pressure value. This slows down the creep process of the auxiliary spring and compensates for height loss after creep occurs. Throughout the entire lifespan of the air spring, the rubber air bladder does not need to be inflated to compensate for the height loss of the auxiliary spring, thus ensuring that the entire air spring maintains its ideal original stiffness.

The utility model relates to the technical field of tubular pile production, in particular to an inflatable rubber plug for a prestressed tubular pile. The inflatable rubber plug for the prestressed pipe pile comprises a central pipe, an upper flange plate, a lower flange plate and an annular air bag, the upper flange plate is located above the lower flange plate, and the central pipe is connected with the upper flange plate and / or the lower flange plate. A closed inner cavity space is defined by the upper flange plate, the lower flange plate and the inner wall of the air bag. The central pipe is provided with a ventilation channel which is communicated with the inner cavity space; an inflation inlet is formed in the ventilation channel; the air bag has an inflation state and a deflation state; in a deflation state, the outer diameter of the airbag is smaller than the aperture of the central hole; in the inflated state, the outer diameter of the inflated and expanded air bag is larger than or equal to the hole diameter of the center hole. In this way, the center hole of the tail plate can be efficiently and rapidly blocked or separated, the structure is simple, and operation is convenient.

The invention provides a durable diaphragm valve and a control method, the diaphragm valve comprises a valve body, a valve cover, a valve rod, a diaphragm assembly, an air pump, a driver and a controller, the valve body comprises a medium inlet channel, a medium outlet channel and a valve seat part, the medium outlet channel is provided with a downstream flow sensor, the medium inlet channel is provided with an upstream pressure sensor, and the valve seat part is provided with a downstream pressure sensor; the diaphragm assembly comprises an upper diaphragm and a lower diaphragm, a deformation cavity is formed between the upper diaphragm and the lower diaphragm, an air bag is arranged in the deformation cavity, the upper end face of the middle of the air bag is connected with the upper diaphragm, and the lower end face of the middle of the air bag is connected with the lower diaphragm, so that the lower diaphragm shrinks along with the air bag to be close to the upper diaphragm and expands to be away from the upper diaphragm. The air pump is used for inflating or deflating the air bag to maintain pressure, and the air pump is provided with an air bag pressure sensor for monitoring the pressure of the air bag; the service life of circulating opening and closing of the valve is remarkably prolonged, deformation of the diaphragm can be reduced by means of inflation and deflation of the air bag, and therefore diaphragm fatigue caused by stress concentration is reduced.

The invention discloses a clinical compression hemostasis device for the general surgery department, and relates to the technical field of medical instruments. The clinical compression hemostasis device for the general surgery department comprises a clamping mechanism, a clamping block, a sliding piece, an air bag, an inflation device and a locking mechanism. The clamping mechanism comprises two clamping ends capable of relatively moving and a driving assembly for driving the two clamping ends to be close to or far away from each other, and the driving assembly can lock and maintain the relative positions of the two clamping ends so as to resist separating force which is applied externally and enables the two clamping ends to be far away from each other; the two clamping blocks are oppositely arranged and connected to the two clamping ends of the clamping mechanism correspondingly. The two sliding pieces are in sliding connection with the two clamping blocks in the clamping face directions of the clamping blocks correspondingly. The number of the air bags is two. The clinical compression hemostasis device for the general surgery department can be firmly locked in a compression state, prevents the compression unit from accidentally loosening, and supports flexible adjustment of the action area of the compression unit according to the wound position.

The utility model discloses a two-position five-way reversing valve for inflating a turning-over air bag of an air mattress. Comprising a reversing valve motor, a valve seat and a valve cover, a sealing piece is arranged between the valve cover and the valve seat, and the valve seat is provided with an air inlet pipe joint, an air leakage pipe joint, a pressure detection pipe joint, a left air supply pipe joint and a right air supply pipe joint; an air inlet channel, an air leakage channel, a left communication channel and a right communication channel are arranged in the valve seat. The bottom, connected with the valve seat, of the valve deck is provided with an air inlet groove communicating with the air inlet channel and the left air inlet hole at the same time and an air outlet groove communicating with the air leakage hole and the right air inlet hole at the same time. According to the two-position five-way reversing valve, the valve seat and the valve cover are arranged, the left air inlet hole, the right air inlet hole and the air release hole in the valve seat are matched with the air inlet groove and the air outlet groove in the valve cover to achieve two-to-two corresponding communication, and the left-in right-out and right-in left-out reversing air inlet and air release functions of the two-position five-way reversing valve are achieved; the turning-over air bag is simple in structure, convenient to operate and low in cost.

The invention discloses a protector for an oxygen saturation probe, which comprises an inner air bag skin and an outer air bag skin, two ends of the outer air bag skin and the inner air bag skin are hermetically connected to a first elastic rubber ring and a second elastic rubber ring, the first elastic rubber ring and the second elastic rubber ring are parallel in two annular surfaces, the outer air bag skin wraps the inner air bag skin to form an inflatable bag, and a wrapping chamber with two open ends is formed in the inner air bag skin. And a fixed inflating head is arranged on one side of the outer airbag skin. The first elastic rubber ring is larger than the second elastic rubber ring in diameter. The oxygen saturation probe has the advantages that the oxygen saturation probe can be properly expanded from the first elastic rubber ring to be stuffed into the wrapping chamber, the whole oxygen saturation probe is wrapped by the inner air bag leather, the second elastic rubber ring is located at the end of the oxygen saturation probe, then the inflation head is connected to inflate the inflation bag, the outer air bag leather is bulged, and the inner air bag leather further wraps the oxygen saturation probe. When the oxygen saturation probe falls or collides, the outer air bag skin and the inflatable bag play a role in damping and buffering, so that the oxygen saturation probe is protected from being damaged by collision.

The utility model belongs to the field of nursing, particularly relates to a portable multifunctional nursing turning-over assist device, and provides the following scheme aiming at the problems that in the using process of an existing device, pressure relief cannot be carried out, an air bag is prone to being exploded when the pressure is too large, and meanwhile the portable multifunctional nursing turning-over assist device is inconvenient to curl and carry. Two supporting mechanisms for supporting a human body are arranged on the surface of the base cloth, each supporting mechanism comprises a supporting air bag, the supporting air bags are sewn on the surface of the base cloth, the supporting air bags are in a triangular shape after being inflated and are used for supporting the half body of the human body, and one side of each supporting air bag is fixedly communicated with an air inlet pipe and an air outlet pipe. When a bedridden patient needs to turn over, the human body can be turned over to different sides through different supporting air bags, use is convenient, the turning-over difficulty is reduced, meanwhile, rolling-up can be achieved, carrying is convenient, when the air pressure in the supporting air bags is too large, a plug can move, then exhausting is conducted, and the use safety is improved.

The embodiment of the invention discloses an air bag pressure control device, medical ventilation equipment and a control method of the medical ventilation equipment. In the process that a user uses the medical ventilation equipment to be connected with a trachea cannula to convey breathing gas to the trachea of a patient, an air bag of the trachea cannula is inflated or deflated through a pressure adjusting module of the air bag pressure control device; the pressure of the air bag is further adjusted, the pressure of the air bag is measured through the pressure monitoring module, the pressure adjusting module is controlled through the control module to adjust the air bag at different pressures, the air leakage amount determined by the medical ventilation equipment under different air bag pressures is obtained at the same time, and then analysis is conducted according to the change condition of at least two air leakage amounts. After the target pressure is determined, the pressure adjusting module can be controlled to adjust the pressure of the air bag according to the target pressure, so that the pressure of the air bag can be automatically adjusted to adapt to physiological differences of different patients, and more accurate, real-time and personalized air bag pressure management is realized.

The utility model discloses an air bag hair clasp, which relates to the field of hair clasps, and comprises a support main body, the left side and the right side of the bottom end of the support main body are respectively provided with a fixed head ring, the left side and the right side of the top end of the support main body are respectively and fixedly connected with a mounting clamping shell, and ear moving air bags are inserted into the mounting clamping shells. A trigger button is arranged in the mounting clamping shell on the right side, the bottom end of the ear-driven air bag fixedly communicates with an air conveying pipeline, the bottom end of the air conveying pipeline fixedly communicates with a manual air bag, a light mechanism is arranged at the top end of the supporting body, and the light mechanism triggers an acousto-optic action when the manual air bag triggers an extrusion state. By combining the inflation action with sound effect triggering, a user can hear corresponding music while pinching down the air bag for inflation, interestingness and interactivity in the using process are increased, the sense of participation of the user is improved, and by combining the mechanical action with the sound effect, the device not only provides feedback of touch, but also provides enjoyment of auditory sense.

The invention relates to a device and method for installing a submersible mixer without production halt under the condition that a sewage plant site is limited, the device comprises a positioning truss, the positioning truss is provided with a rectangular installation space, and at least three guide rail sliding grooves extending to the bottom of the positioning truss are formed in the rectangular installation space of the positioning truss; an inflation air bag is arranged on the guide rail sliding groove in a sliding mode, the inflation air bag is connected with an inflation pipe, the inflation pipe is connected with an air pump, and the inflation air bag is used for completing lowering and installation of the mixer concrete foundation by adjusting the inflation state of the inflation air bag after the mixer concrete foundation is poured. Proper buoyancy is provided for the concrete foundation of the mixer by controlling expansion and contraction of the air bag, so that water-carrying installation operation of the foundation of the submersible mixer can be completed without depending on large hoisting equipment, normal production and operation of a sewage plant in the whole process are allowed in the installation process, water pumping, inverted drainage and even shutdown and production stopping are not needed, and the installation efficiency is improved. The construction time and cost are greatly saved, the working efficiency is improved, and the economic benefit is remarkable.

According to the air bag inflation and deflation control device and the intermittent pulse pressurization anti-thrombus system, an air pump inflates an air chamber firstly, so that the pressure in the air chamber is increased, and when a pressure detection circuit detects that the real-time pressure value in the air chamber reaches a target value, an instruction is sent to an air pump switch control circuit, so that the air pump stops inflating, and the air pump stops inflating; at the moment, air in the air chamber is in a high-pressure state, then an instruction is sent to the air valve switch control circuit, so that the air valve is opened, high pressure in the air chamber is controlled to rapidly enter the air bag, and rapid inflation of the air bag is achieved. The inflation time of the air bag is generally slow, so that the treatment effect of rapid pressure impact required by the sole and the palm is difficult to achieve.

The utility model relates to the technical field of unmanned ships, and particularly discloses an unmanned ship launching and recycling device which comprises an auxiliary device, the auxiliary device comprises a first fixing shaft and a second fixing shaft, and sliding grooves are formed in the first fixing shaft and the second fixing shaft. Two symmetrically-distributed sliding blocks are slidably connected to the interiors of the two sliding grooves, supporting blocks are hinged to the other ends of the four sliding blocks through hinged supports, sliding ways are fixedly connected between every two supporting blocks in the vertical direction, and air bags are arranged at the left end and the right end of a second fixing shaft. The upper ends of the two air bags are both communicated with air bag inflation nozzles, and the purposes that the device can adapt to different conditions such as high bank slopes, deep water areas and shoal areas, the sliding way and the fixing shaft can be conveniently assembled and disassembled, the air bags can be conveniently compressed and stored through cooperation of the inflation air bags, and the device is easy to carry are achieved.

This invention relates to a graded trigger-type crash barrier and crash prevention method for dry dock boarding ramps, belonging to the technical field of dry dock boarding ramps. The crash barrier includes uprights and crossbeams. A crash prevention structure is installed on the crossbeams, comprising: a mounting plate with a locking part on the back for locking onto the crossbeam; an outer airbag connected to the front of the mounting plate, which is inflated under normal conditions to form a first-level crash buffer; an inner airbag connected to the front of the mounting plate and located inside the outer airbag, which is deflated under normal conditions; and a high-pressure gas cylinder installed at the locking part, which is connected to the inner airbag via a pipeline. A pressure switch is installed on the pipeline, and the pressure detection end of the pressure switch is located inside the outer airbag. When the outer airbag is impacted and the internal pressure rises to the trigger threshold of the pressure switch, the pressure switch opens the pipeline, and the high-pressure gas cylinder inflates the inner airbag, causing the inner airbag to expand and form a second-level crash buffer.