48results about How to "Prevent free fall" patented technology

The invention discloses a pediatric negative pressure gastric lavage device for a pediatrician. The device includes a bottom plate, a gastric lavage fluid storage tank and dirt tank. The top part of the bottom plate is fixedly connected with the box body. The front side of the box body is provided with a fixing groove. Two sides of the bottom part of the inner wall of the fixing groove are fixedlyconnected with mounting plates. The bottom parts of the gastric lavage fluid storage tank and the sewage tank are fixedly connected with mounting brackets. The two sides of the top part of the mounting brackets are provided with mounting holes. The device relates to the technical field of medical equipment. The negative-pressure gastric lavage device for the pediatrician greatly facilitates the medical personnel to fully clean the gastric lavage tank and the dirty liquid tank on the gastric lavage equipment. The device reduces the workload of the medical staff, realizes the quick and convenient disassembly and full cleaning of the gastric lavage tank and the dirty liquid tank from the gastric lavage equipment, achieves the purpose of separating and disassembling the gastric lavage tank and the dirty liquid tank from the gastric lavage equipment, and greatly facilitates the cleaning work of the gastric lavage equipment by the medical staff.

The invention discloses a lamp lifting device. The lamp lifting device comprises a base, a wire winding assembly, a motor and a protecting assembly, wherein the protecting assembly comprises a shell, a universal driving shaft, a flywheel, a pawl, an elastic piece and a limiting piece, the universal driving shaft is connected to the shell in the mode that the universal driving shaft rotates around itself in the axial direction and is in transmission connection with a wire winding wheel, the flywheel is arranged in the shell in a rotary mode and is fixed to the universal driving shaft in the circumferential direction, the pawl is provided with a rotary shaft end and a limiting end opposite to the rotary shaft end, the rotary shaft end is connected to the flywheel in a rotary mode, and a limiting groove is formed in the limiting piece. The wire winding wheel can drive the universal driving shaft and the flywheel to rotate when the wire winding wheel rotates, the pawl is hinged to the flywheel, when a lamp rise or fall at an overhigh speed, the rotating speed of the wire winding wheel and the rotating speed of the flywheel are too high, the pawl rotates under the effect of centrifugal force, the limiting end of the pawl is matched with the limiting groove, so that the flywheel stops rotating and is positioned, then the wire winding wheel is positioned, rising or falling of the lamp is stopped, in this way, free falling of the lamp is prevented or the lamp is prevented from rising or falling at an overhigh speed, stable rising and falling of the lamp are guaranteed, normal work of the lamp lifting device is guaranteed, and the safety performance of the lamp lifting device is improved.

The invention relates to a vertical lifting device capable of climbing by manpower, and the device comprises a vertical well, at least a lift car and power systems corresponding to the lift cars in a one-to-one manner. The vertical lifting device capable of climbing by manpower realizes free sliding of the lift cars in the vertical well through arranging supporting disks and a spiral rising rail, and the lift car is clamped with an internal rolling rail of the spiral rising rail through a U-type nave boss, so as to ensure the supporting disks and the lift cars not to fall off the spiral rising rail. The device can realize manual lifting and automatic lifting. Through arranging a plurality of lift cars in the vertical well, one vertical well provides combination of a plurality of lift cars and power structures is realized, and the device operates safely. The device has green environmentally friendly effect of saving land, and even though the device is used in a LOFT house type house in a city, the device has effects of saving space and energy, and is low carbon. The device can be applied in wide rural self-built houses, and has benefits of saving land and providing convenience for the old or people who cannot climb stairs conveniently to live upstairs.

The invention provides an assembled type liquid crystal display screen. The assembled type liquid crystal display screen comprises a mounting bottom plate, a supporting seat, a supporting plate, a clamping mechanism and a splicing mechanism. The problems are solved that most existing liquid crystal display screens are fixedly mounted, specification and size differences of the liquid crystal display screens used in different occasions are large, in actual mounting and clamping operation, the clamping direction of a mounting clamp is difficult to adjust in real time according to the required sizes of the liquid crystal display screens, a stable and firm clamping effect is difficult to provide for the liquid crystal display screens, the mounting number and orientation direction of the liquid crystal screens are difficult to adjust in real time according to the occasion size and shape of a placement position, quick clamping and dismounting operation during mounting of the liquid crystal screens is more difficult to realize, consequently, the operation efficiency of liquid crystal screen assembling operation cannot be improved, and the use requirements of different occasions are not met.

The invention relates to the technical field of automobile maintenance and equipment calibration, in particular to a support device. The device comprises a base, a vertical rod and a clamping assembly. One end of the vertical rod is installed on the base, and the clamping assembly is installed on the vertical rod. The clamping assembly comprises a sliding piece, a push rod assembly, a handle and an elastic piece, one end of the sliding piece sleeves the vertical rod, the sliding piece can move along the vertical rod, the other end of the sliding piece is used for hanging a calibration element,the push rod assembly is movably mounted on the sliding piece in the preset direction, the two ends of the elastic piece abut against the inner wall of the sliding piece, the push rod assembly and the elastic piece respectively, one end of the push rod assembly is driven to press the vertical rod, the sliding piece is fixed to the vertical rod, a sliding assembly can be prevented from falling freely and being smashed, meanwhile the handle is rotatably installed on the sliding piece and used for driving one end of the push rod assembly to be separated from the vertical rod, so that the slidingassembly can slide freely along the vertical rod, the height of a calibration device hung on the sliding assembly can be adjusted as required, and different height requirements can be met so as to meet calibration requirements.

The invention discloses a double-brake back-and-forth controllable descent control device. The double-brake back-and-forth controllable descent control device comprises an outer shell, a pulling mechanism, a double-brake mechanism and a rope guiding mechanism, wherein the pulling mechanism, the double-brake mechanism and the rope guiding mechanism are arranged in the outer shell; the pulling mechanism is mutually linked with the double-brake mechanism and comprises an energy conversion regulating screw rod and a buffer piece which is arranged at the periphery of the pulling mechanism; the double-brake mechanism comprises an outer brake assembly, an inner brake assembly and a self locking mechanism, the inner brake assembly is mutually linked with the energy conversion regulating screw rod of the pulling mechanism, a wedge wheel is arranged at the periphery of the inner brake assembly, a steel wire rope is wound on the wedge wheel and is in rolling friction, and the self locking mechanism is movably arranged between the outer brake assembly and the outer shell in a leaning way; when the outer brake assembly is in an unstressed state or a maximum stress state, the inner brake assembly is in a semi-brake state to generate friction damping, and the steel wire rope wound on the peripheral wedge wheel can be tensioned and locked; when the outer brake assembly is in a semi-clutch state, the inner brake assembly and a brake hub are in a friction state by the locking of the inner brake assembly on the steel wire rope, the steel wire rope is enabled to be guided out along the rope guiding mechanism by friction force difference, and slow and uniform-speed descending can be realized.

A double-brake back-and-forth controllable descent device, including an outer shell and a lifting mechanism built in it, a double braking mechanism and a guide rope mechanism, the lifting mechanism and the double braking mechanism are linked to each other, and the lifting mechanism includes energy Convert the adjustment screw and set the outer peripheral buffer. The double brake mechanism includes an outer brake assembly, an inner brake assembly and a self-locking mechanism. The inner brake assembly is linked with the energy conversion adjustment screw of the lifting mechanism. The inner brake assembly There is a wedge wheel on the outer periphery, and a steel wire rope is wound on it for rolling friction. The self-locking mechanism can be movably resisted between the outer brake assembly and the housing. The brake assembly is in the semi-braking state to produce frictional damping, and the wire rope wrapped around the outer peripheral wedge wheel is tightened and locked. When the outer brake assembly is in the half-clutch state, the inner brake assembly locks the wire rope and the brake hub. In the state of friction, the friction force is poor so that the steel wire rope can be drawn out along the guide rope mechanism to achieve slow and uniform descent.

The invention discloses a heat engine kinetic energy generator. The generator comprises a tank and a solar outer heat pipe. A liquid inlet is formed in the side wall of the tank. The side wall of the top end of the tank is provided with two symmetric air outlets. A flow guide plate is fixed to the top end of the tank. The middle of the flow guide plate protrudes downwards to form an inverted cone. The outer cone face of the inverted cone is bent inwards along the center line of the inverted cone. The axes of the air outlets right face the bent outer cone face. A solar inner heat pipe is fixed in the solar outer heat pipe through a flange. Steam is exhausted into the tank, and the flow guide plate with the middle protruding downwards to form the inverted cone is disposed on the tank in a sliding mode; the outer cone face of the inverted cone is bent inwards along the center line of the inverted cone, that is, the longitudinal section of the inverted cone is in an inverted ridge shape, and the flow guide plate provides curved line guidance for movement of the steam; the steam is prevented form accumulating on the top of the tank and part of the steam blends and then freely descends while exhaust of the steam is accelerated.

In particular, the invention relates to a turnover device. The technical problem existing when a push rod device is adopted to drive an overturning device to overturn for 180 degrees at present is solved. The turnover device comprises a fixed body and a turnover body. The turnover body can be turned over relative to the fixed body. The turnover device also comprises a push rod device. The push roddevice comprises a telescopic rod capable of stretching and retracting freely. One end of the push rod device is hinged with a stress point on the fixed body. The push rod device can rotate around astress point on the fixed body. The turnover device is characterized in that the other end of the push rod device is connected with the stress point on the turnover body through a stress point offsetdevice; and the stress point offset device is a device capable of enabling the stress point on the turnover body to be skew towards one side of the turnover direction relative to the axis of the telescopic rod in the turnover process of the turnover body. By means of the turnover device, the push rod device can automatically turn over the turnover body for 180 degrees, manual participation is notrequired in the turnover process, and the automation level of the turnover device is greatly improved.

The invention discloses a steam generator which comprises a tank body and a solar outer heating pipe. A liquid inlet pipe is arranged on the side wall of the tank body, two symmetrical air outlet pipes are arranged on the side wall of the top end of the tank body, spraying nozzles are rotationally arranged on the inner walls of the two air outlet pipes, and a plurality of spiral protrusions are installed on the inner walls of the spraying nozzles; longitudinal movement grooves communicated with the air outlet pipes are formed in the inner wall of the tank body, and guide plates arranged in a sliding manner through balls are arranged in the longitudinal movement grooves; and the axes of the air outlet pipes right face the bent outer conical surface, and a solar inner heating pipe is fixed into the solar outer heating pipe through a flange. After steam is discharged into the tank body, the guide plates with the middle portions downwards protruding to form inversed cones are arranged at the top of the tank body, and the outer conical faces of the inversed cones are inwards bent along the center lines of the inversed cones; and in other words, longitudinal sections of the inversed cones are in inversed ridge shapes, the guide plates provide a curve route guidance for motion of the steam, and free dropping caused by partial moisture fusion caused by accumulation of moisture at the top of the tank body is prevented.

The invention relates to the technical field of textile production equipment, in particular to a glove receiving, placing and finishing device. The technical problem to be solved is to overcome the defects of low collection and finishing efficiency and inability to monitor and count in the prior art, which is mainly achieved through the following technical solutions A kind of glove receiving and finishing device, including: a material receiving device, a transmission device and a packaging device, the material receiving device includes a receiving part, a rotating part, an abutting part and a driving part, the rotating part drives the receiving part to rotate, and the driving part drives the abutting part. The glove is connected to make the gloves fit the receiving part. The transmission device is horizontally arranged at one end of the receiving device to transmit and count the finished gloves. The packaging device receives the gloves conveyed by the transmission device and stacks them neatly. Mutual control, operating different structures to realize the automatic sorting and collection of receipts, reducing the degree of manual dependence and monitoring and counting the quality of finished products, improving the automation of the collection and sorting of gloves.

The invention discloses a latex matrix vertical conveying device, comprising: a ground conveying assembly, a vertical conveying assembly, and an underground storage and conveying assembly; the ground conveying assembly includes a ground latex matrix horizontal conveying pipeline and a ground sensitizer horizontal conveying pipeline, the The vertical conveying assembly includes a latex matrix vertical conveying pipeline and a sensitizer vertical conveying pipeline, and the underground storage and conveying components include an underground latex matrix horizontal conveying pipeline, an underground sensitizer horizontal conveying pipeline, an underground latex matrix storage tank, an underground sensitizer agent storage tank, underground latex matrix output pipeline, underground sensitizer output pipeline, underground latex matrix pumping device and sensitizer pumping device. The invention overcomes the time-consuming, labor-intensive and unsafe technical defects of the original latex matrix delivery method, and realizes the purpose of safely transporting the latex matrix in mines.