92results about How to "Adjust pressure" patented technology

The invention discloses an intelligent cutting machine with a locating and dust-collecting function. The intelligent cutting machine comprises a worktable, the four corners of the bottom surface of the worktable are all fixedly connected with supporting legs, the front part of the upper surface of the worktable is provided with a groove, the middles of the two sides of the inner wall of the groove are both provided with slide grooves, the slide grooves are internally slidably connected with frames, the inner sides of the frames are welded to a screening net, the front parts of the frames are welded to a handle, the upper surface of the worktable is in pin joint with a supporting plate, and the supporting plate is located at the rear portion of the groove. In the intelligent cutting machine with the locating and dust-collecting function, fixing devices are arranged at the two sides of the groove, when the intelligent cutting machine is in use, the handle can be drawn back, tubular products or reinforcing steel bars are placed on two stand columns at the same side of the groove, then the handle is loosened, under the effect of springs, a pressing plate is pressed on the upper surfaces of the tubular products or the reinforcing steel bars, and thus the purpose of pressing tightly the tubular products and the reinforcing steel bars is achieved, through deformation under compression of a rubber cushion, the bottom surface of the pressing plate can be more tightly attached to the reinforcing steel bars or the tubular products, and thus the firmness of stitching the reinforcing steel bars or the tubular products is improved.

The invention relates to a lifting rod connecting structure and a lifting rod, wherein the lifting rod connecting structure comprises a lock hoop which is used for applying pressure an outer pipe so as to hold an inner pipe tightly, and the lock hoop is of a ring-shaped structure with openings; two opening ends of the lock hoop are correspondingly provided with fixed holes; locking screws are arranged in the fixed holes in a penetrating manner; the tail ends of the locking screws are connected in screw holes of a rotating shaft so as to lock the opening ends of the lock hoop tightly; a hand fastener is relatively rotatably connected to the rotating shaft, and the outer edge of one end, which is connected with the rotating shaft, of the hand fastener is set as a continuous curved surface tangential to the outer surfaces of the opening ends of the lock hoop; the distances from points on the continuous curved surface to the center of the rotating shaft are unequal so as to apply pressure with different sizes on the opening ends of the lock hoop and adjust the size of the pressure applied by the lock hoop on an outer pipe. The lifting rod connecting structure has the advantages that the design is simple, the processing and manufacturing cost is low, the installation and the use are convenient, and the continuous adjustment of the height can be realized.

The invention relates to a nursing mattress based on detecting respiration and realizing sleeping posture transformation, comprising an airbag module, a controller module and a flexible pressure-sensitive sensor module. The flexible pressure-sensitive sensor module is arranged on the airbag module. The controller module controls the flexible pressure-sensitive sensor module and performs corresponding actions with the airbag module. The nursing mattress based on detecting respiration to realize sleeping posture transformation is characterized in that the airbag module comprises airbags, a piece of bottom cloth and an air-inflating pump. 200 air bags form an airbag cell array. 200 air bags are arranged on the bottom cloth in an array of 10 * 20, which is 10 rows, 20 columns and each airbag has a size of 100 millimeters x 100 millimeters. The overall size of the airbag cell array is 2000 millimeters x 1000 millimeters. Each gas nozzle of the airbag is connected with a branch rubber trachea. The branch rubber trachea of the adjacent two airbags is connected by a T word interface and then a three position and three way solenoid valve is connected. The other two ports of the three position and three way solenoid valve is respectively connected with an intake pipe and an outlet pipe. The intake pipe is connected with a pneumatic gas path rubber trachea through a conversion interface.

The invention discloses an adjustable external chest compression device. The adjustable external chest compression device comprises a mounting plate, a compression hemisphere, a screw rod, a first motor, a movable block, a mounting box, a first rotating shaft, a first electronic push rod, a movable rod, a compression hemisphere, a second rotating shaft, a second electronic push rod, a first gear,a second gear, a third gear and a fourth gear. By virtue of the cooperation of the second motor, the second electronic push rod, the second rotating shaft, the third gear, the fourth gear, the secondgear, the first gear, the first rotating shaft, the first electronic push rod, the movable rod, a spring and the compression hemispheres, and the compression hemispheres are driven to move up and downso as to automatically and repeatedly compress the chest of a patient, so that the compression effect is good, the time and the labor are saved, and the efficiency is high; and meanwhile, by adjusting the motion strokes of the compression hemispheres, the compression force can be adjusted, and a telescopic rod of the second electronic push rod is controlled, so that the up-down motion frequency of the compression hemispheres can be adjusted by changing a transmission ratio.

The invention discloses a cardiac compression device for first aid in the department of cardiology. The cardiac compression device comprises a first-aid bed, U-shaped bent tubes are fixedly welded tothe left and right sides of the first-aid bed respectively, a rectangular frame is slidably installed in grooves, an eccentric wheel is clamped in the middle inside the rectangular frame, a vertical rod is fixedly welded to the middle of the lower side of the rectangular frame, the lower end of the vertical rod penetrates through a guide block and is fixedly connected with a damping spring, and acompression ball is installed at the lower end of the damping spring. In the cardiac compression device, a motor is used as a power source to make the compression ball move up and down to perform cardiac compression on a patient; the damping spring is installed at the upper end of the compression ball and can reduce the impact force on the patient's chest during compression; three installation holes are formed in the eccentric wheel, and the compression strength can be adjusted by installing a rotating shaft of the motor in different installation holes; a framework is fixedly installed on sliders, and the framework can be moved left and right by sliding the sliders to make the compression ball right aligned with the patient's chest.

The invention relates to the field of medical instruments, in particular to a migraine treatment device in neurology. The migraine treatment device comprises a head cap, wherein an air cavity consistent with the appearance of the head cap is formed in the head cap shell; a reciprocating piston pump component is connected to the top of the head cap through a conduit; a plurality of groups of pricked massage components are uniformly arranged on the inner side of the head cap; arc-shaped screw plates are glued to the left and right sides of the lower side of the head cap; an annular adjusting piece is connected to the outer side of the arc-shaped screw plates in a threaded manner; arc-shaped grooves are formed in the middles of the arc-shaped screw plates; massage adjusting components are connected to the arc-shaped grooves through first springs; each the massage adjusting component comprises an L-shaped plate and an eccentric massage block; adjusting frames are arranged on the lower sides of the L-shaped plates; micro motors for driving the eccentric massage blocks are arranged in the adjusting frames; and second springs at the driving front ends of the micro motors are connected to the inner sides of the adjusting frames. Left and right temples of a patient are mechanically massaged and the head is pricked, so that manual massage is avoided, and the massage position and the massage force are adjusted according to the massage points and the massage comfort degree of different patients.

The spooling device has a bobbin frame (8) which integrates with a variable speed drive unit (19) connected to a sleeve mounting plate. A separate drive unit (14) has a thread traversing device (10) which controls a winding device (4). A single motor impinged coil frame positioning device (38) is supported in bobbin frame and is hold in a floating position and is spaced from thread traversing device, such that predetermined spacing is formed between surfaces (39) of cross-wound bobbin (5) and thread traversing device, during the bobbin travel of the cross-wound bobbin..

The invention is suitable for the field of medical instruments and discloses a hemostat. The hemostat comprises a compressing body and a regulating component, wherein the compressing body is provided with an inner cavity capable of containing liquid, and the effective volume of the inner cavity can be changed through the amount of the liquid in the inner cavity; the regulating component is provided with a liquid storage cavity for containing liquid, the liquid storage cavity is communicated with the inner cavity, and the regulating component is used for regulating the relative amount of liquid in the liquid storage cavity and liquid in the inner cavity so that the liquid can flow between the liquid storage cavity and the inner cavity and the pressure applied by the compressing body can be changed. According to the hemostat, because the liquid is sealed between the two cavities, a control valve is not needed to obtain the hemostat and an external liquid source is not needed further, the manufacturing cost and the using cost are effectively reduced, and the compressing force of the compressing body can be conveniently regulated. Because liquid serves as the working medium, the flow direction is easy to change, all the components can be arranged in space of the using positions easily, hidden danger caused by collision between the regulating component and other objects is avoided, the conditions of a hemorrhagic spot can be seen easily, and the hemostat is good in using effect and high in reliability.

The invention belongs to the technical field of anchoring and supporting of underground engineering such as tunnels, and discloses an expansion shell type yielding anchor cable and a construction method thereof. A variable-section yielding anchor cable is fixedly mounted at the upper end of an expansion shell anchoring part, and an anchorage device is fixedly mounted at the lower end of the expansion shell anchoring part; a hollow metal pipe is arranged in the middle of an anchor cable body, and the hollow metal pipe is wrapped with a high-strength conical pipe; and the outer side of the anchor cable body is wrapped with a variable-section threaded sleeve through a binder. The expansion shell type yielding anchor cable is mainly applied to anchoring and supporting of water-rich tunnels, especially high-stress large-deformation water-rich underground engineering, and the variable-section yielding anchor cable, the expansion shell anchoring part, the anchorage device and a base plate form an anchoring technology integrating rapid anchoring, yielding supporting and grouting protection; and surrounding rock is rapidly supported through the biting force formed by the expanded expansion shell anchoring part and the hole wall surrounding rock, the deformation capacity of the anchor cable is improved through the yielding function of the variable-section yielding anchor cable, and post-grouting protection is achieved through the hollow metal pipe arranged in the variable-section anchor cable.

The invention discloses a rear-arranged hammering pressure device for a road and bridge construction asphalt paver. The rear-arranged hammering pressure device comprises an installing plate. Two fixing rings arranged symmetrically are arranged at the right end of the installing plate. A balance weight device is arranged on the upper surface of the installing plate. A box body of the balance weightdevice is fixedly connected with the upper surface of the installing plate. Two sets of fixing plates arranged symmetrically are arranged on the side face of the installing plate. Two fixing plates are in each set. A rolling pressure device is arranged between the two fixing plates in each set. A first drive device is arranged at the front end of the upper surface of the installing plate. An auxiliary belt wheel of the first drive device is fixedly connected with the front ends of rotating shafts of the rolling pressure devices. A pressing device is arranged on the middle portion of the lowersurface of the installing plate. According to the rear-arranged hammering pressure device for the road and bridge construction asphalt paver, the hammering pressure device can be connected with the paver through the fixing rings, can carry out rolling pressure and hammering pressure on paved asphalt in time, can effectively improve the asphalt paving effect, and is easy to operate and convenientto use.

The invention relates to an organic Rankine circulation system with the working medium charge volume being dynamically adjustable. The organic Rankine circulation system comprises a working medium pump, an evaporator, an expansion machine and a condenser which are mounted in series and form a closed working medium loop through working medium pipelines. The organic Rankine circulation system is characterized in that a working medium storage tank is further connected into a working medium pipeline between the working medium pump and the evaporator and internally provided with a variable-size water bag which is further sequentially connected with a water pump and a water storage tank through pipelines. Compared with the prior art, working medium real-time charging and discharging can be achieved by adjusting the pressure difference between corresponding pipe sections in the working medium storage tank and the organic Rankine circulation system, adjustment is convenient and easy to achieve, cost is low, and the charging and discharging volumes are dynamically adjustable.

The invention discloses an auxiliary clamping device of a metallographic grinding and polishing machine. The device comprises a vertical retainer, the left side of the retainer is connected with a horizontal limiting cross beam and a horizontal bottom plate, a bolt is meshed with a screw hole in the limiting cross beam, the lower end of the bolt and the bottom plate clamp an edge steel plate of anoperation table of the grinding and polishing machine; a first through hole in an upper slideway limiting cross beam and a second through hole in a lower slideway limiting cross beam are located on the same vertical line, an external thread push rod penetrates through the first through hole and the second through hole, the second through hole is a square hole, and the cross section of the external thread push rod at the second through hole is also of a square shape; the lower end of the external thread push rod is connected with a sample chuck, the sample chuck is fixedly connected with a resin block inlaid with a metallographic sample, and the bottom surface of the resin block is in contact with a grinding wheel of the grinding and polishing machine; and the outer wall of an external thread sliding sleeve on the bottom surface of the upper slideway limiting cross beam is meshed with a force application nut through threads, and a hard spring is arranged between the force application nut and a stop nut on the external thread push rod.

The invention discloses an artificial rainfall simulationprecipitation emulation method applied tofor a debris flow test. The artificial rainfall simulationprecipitation emulation method is characterized in that: the magnitude of the pressure in a water tank can be adjusted conveniently and flexibly, corresponding pressure is set according to a region underlying surface condition and a rainfallprecipitation feature in order to control a rainfallprecipitation type; a region point heavy rainfall concentration phenomena is emulated simulated by adjusting internal pressure inside distribution boxes, a rainfallprecipitation process in with strong wind can be emulated simulated by turning off one or more distribution boxes; rainstorm types xan also be simulated by overlapping rainfall regions; by inputting rainfall data through a computer system, and controlling a pressure control valve by a controller, the rainfallprecipitation types can be controlled accurately and rapidly. By adopting theartificial rainfall simulationprecipitation emulation method, solid particles and flotation plants in a river can be filtered well through a the pressure control valve, energy saving and environmentfriendliness are achieved, and the service life of a sprayer is prolonged.

The invention discloses a fingerstall with a sterile pressing function. The fingerstall with the sterile pressing function comprises a sleeve, a pressing unit, a regulating unit and a sterile protection unit. Two ends of the sleeve are of opening structures; a through slot is formed in the side wall of the sleeve; the pressing unit is movably arranged in the through slot; and the regulating unit is fixedly arranged on the outer side wall of the sleeve and is in transmission connection with the pressing unit. According to the fingerstall with the sterile pressing function provided by the invention, a puncture point on a finger of a patient can be effectively prevented from being infected, and the occurrence of the phenomenon that the punctured finger of the patient is poor in blood circulation since the patient wears the fingerstall for a long time can be prevented, so that the occurrence of the unhealthy phenomenon that the punctured finger of the patient is dermonecrotic is avoided, the safety is good, the fingerstall can replace a nurse to press the puncture point on the finger of the patient, the occurrence of the phenomenon that pressing is not in place can be avoided, and particularly, the occurrence of the unhealthy phenomenon that the finger is black and blue since the puncture point cannot be pressed in place frequently can be effectively avoided for the patient who frequently suffers from the blood glucose test.

The invention relates to the technical field of ground moss clearing, and discloses a novel ground moss clearing device which comprises a fixed box, a push handle is fixedly connected to the top of the fixed box, a water tank is fixedly connected to the top of the fixed box, a feeding hopper communicates with the top of the water tank, and two water outlet pipes symmetrically communicate with thebottom of the water tank. The bottom ends of the two water outlet pipes penetrate through the inner walls of the top and the right side of the fixed box and communicate with a same first transverse pipe, the first transverse pipe is fixedly connected with the right side face of the fixed box through a fixing sleeve, and the bottom of the first transverse pipe communicates with a plurality of sprayheads at equal intervals; and two first rotating shafts are symmetrically and rotationally connected between the front inner wall and the rear inner wall of the fixed box. The moss cleaning device solves the problems that some existing moss cleaning devices are high in price, complex in structure and high in purchase and maintenance cost and cannot meet the internal use requirements of small-range residential districts or commercial parks.

The invention discloses a vine climbing stand for planting of Cucumis melo L. var. agrestis Naud., comprising a vine climbing mechanism and water-storage driving mechanisms. The vine climbing mechanism comprises a vine climbing pole, an upper sleeve, a lower sleeve, a connecting plate and a connecting rope; the lower sleeve sleeves the lower portion of the vine climbing pole, the upper sleeve sleeves the vine climbing pole, a disc is fixedly arranged on the outer wall of the upper sleeve, and the disc is connected with the lower sleeve through the connecting rope; each water-storage driving mechanism comprises a water storage tank, a U-shaped pipe is arranged under the water storage tank, one end of the U-shaped pipe is communicated and fixedly connected with the bottom surface of the water storage tank, a sealing plug is slidably mounted in the U-shaped pipe, a drive rod is fixedly arranged on the top surface of the sealing plug perpendicularly, and the upper end of the drive rod is perpendicularly fixedly connected with the disc. The vine end of Cucumis melo L. var. agrestis Naud. is fixed to the lower sleeve, rain water collected in the water storage tanks gradually pushes the sealing plugs to move upwards through the U-shaped pipes respectively, the sealing plugs drive the upper sleeve to move upwards, the upper sleeve drives the lower sleeve to move upwards, and then the vine of Cucumis melo L. var. agrestis Naud. is driven to move upwards and be twisted on the vine climbing pole.

A disposable femoral artery compression hemostat includes a support disk, at that cent of the support plate, a hemostatic foot member capable of vertically move up and down is arranged, 4 horizontallyand vertically movable position foot parts are uniformly arrange on that circumference of the support plate. The supporting plate on the inner side of the positioning foot part is provided with an adjusting wheel, and four self-lockable strap fixing wheels are uniformly arranged on the circumference of the supporting plate. The strap fixing wheels are provided with straps, and the outer ends of the straps are respectively provided with positioning concave buckles and positioning convex buckles. A pressure gauge capable of measuring pressure is arranged at the top of the hemostatic foot part.The invention effectively solves the time-consuming and labor-consuming manual pressing. The pressing points of the strap are misaligned and easy to shift. The pressing force is uncontrollable. The pressing angle cannot be adjusted; a problem that compresses the surrounding blood vessels.

The invention discloses a winding device which comprises a rotating shaft. The two ends of the rotating shaft are provided with mounting bases. The rotating shaft is provided with a plurality of wire grooves, the two sides of each wire groove are ridge-shaped portions, and the side edges of the wire grooves are not perpendicular to the center line of the rotating shaft; the two ends, close to the mounting bases, of the rotating shaft are provided with end plates; the mounting bases at the two ends of the rotating shaft and the end plates are sequentially provided with a first pulley, a second pulley, a third pulley and a fourth pulley; a pull wire is fed from the first pulley, wound around the second pulley and the third pulley and drawn out from the fourth pulley, the drawn-out end of the pull wire is connected with a take-up device which drives the drawn-out end of the pull wire to move, the fed end of the pull wire is connected with an unwinding device used for discharging a wire, the part, located between the second pulley and the third pulley, of the pull wire is rotatably connected with a first load, the two end of the first load is provided with a flat and smooth curved surface, and the upper portions, close to one side of the rotating shaft, of the mounting bases are provided with slopes. The improvement to the winding device is achieved, and the winding device is simple in structure and can allow the wire to be wound to be compact and flat.