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87results about How to "Increase the buffer function" patented technology

Door hinge with buffering function

ActiveCN106761096AHigh precisionHigh precision with high buffer functionBuilding braking devicesWing accessoriesEngineeringTorsion spring
The invention relates to a door hinge with a buffering function. The door hinge is characterized by comprising a shell, a first rotary shaft, a second rotary shaft, a U-shaped rotary shaft, a hinge cup, a linkage part, a torsional spring, a connection part and a damper; the inner wall of the shell is provided with a locating block; the locating block and the shell are matched with each other to form two sliding grooves; the linkage part is provided with a push structure, is arranged in the shell through the first rotary shaft and is connected with the hinge cup through one shaft body of the U-shaped rotary shaft; the connection part is arranged in the shell through the second rotary shaft and is connected with the hinge cup through the other shaft body of the U-shaped rotary shaft; the second rotary shaft is sleeved with the torsional spring; the two ends of the torsional spring are arranged on the U-shaped rotary shaft and the first rotary shaft correspondingly; the damper is provided with an inverted-L-shaped locating sliding block and a stop block; the inverted-L-shaped locating sliding block comprises a transverse sliding block body and a longitudinal locating block body; the transverse sliding block body is inserted in the sliding grooves; the longitudinal locating block body can abuts against the locating block body; and the push structure can push the stop block. The door hinge has the advantages of being compact in structure, convenient to assemble, stable in buffering force, long in service life and convenient to maintain.
Owner:FOSHAN TIANSI HARDWARE CO LTD

Full flow electrohydraulic control system for construction machinery gear box

The invention relates to a construction machinery dynamic power shifting gear box, in particular to a full flow electrohydraulic control system for the construction machinery dynamic power shifting gear box. The system comprises an electric apparatus control part and a hydraulic control part, wherein the electric apparatus control part mainly comprises a gear box controlling handle, a computer control box, a revolution speed transducer and a wiring harness; the hydraulic control part comprises a speed variable pump, a filter cleaner and a full flow electrohydraulic control valve; a plug-in hydraulic cushion valve is arranged at an oil path inlet of a clutch in an independent plug-in mode; a latest full flow switch electromagnetic valve technique and the plug-in hydraulic cushion valve are adopted, and a full flow switch electromagnetic valve and the plug-in hydraulic cushion valve are applied to the electrohydraulic control system of the construction machinery dynamic power shifting gear box, thus the structure of the electrohydraulic control valve is optimized, and the manufacturing difficulty and the manufacturing cost of the electrohydraulic control valve are reduced; and the system can achieve automatic and semi-automatic gear shifting for the gear box through a PLC control unit.
Owner:XUZHOU XCMG DRIVELINE TECH CO LTD

Hemostasis rescuing device for cardiology clinic with function of buffering protection

InactiveCN108420488ASlow downIncrease the buffer functionSurgeryEngineeringCardiology clinic
The invention discloses a hemostasis rescuing device for cardiology clinic with a function of buffering protection. The hemostasis rescuing device comprises an upper pressing plate, a lower pressing plate, supporting plates and a bottom plate, the lower pressing plate is fixedly connected through two supporting plates, an upper pressing groove is formed in the upper pressing plate, a lower pressing groove is formed in the lower pressing plate, hemostasis pads are arranged in the upper pressing groove and the lower pressing groove, buffering protection devices are arranged between the lower pressing groove and each hemostasis pad. Each buffering protection device comprises a mounting column. The hemostasis rescuing device disclosed by the invention has the beneficial effects that a buffering column drives a moving plate to move downwards, the moving plate extrudes hydraulic oil, the hydraulic oil moves upward slowly through through holes so that the movement speed of the moving plate islowered, and the buffering function to hands or legs is effectively improved; a first bevel gear drives a threaded rod to rotate, because a lifting column cannot rotate, the lifting column moves downwards under the action of the threaded rod to drive the upper pressing plate to move downwards, the bleeding part is pressed tightly, the hemostasis is realized rapidly, and the hemostasis effect is effectively improved.
Owner:张靖

U-shaped buffering supporting base of diesel engine of armoured vehicle

The invention relates to a U-shaped buffering supporting base of a diesel engine of an armoured vehicle. The U-shaped buffering supporting base comprises a main vibration absorber 3, a bottom board 6, an upper U-shaped support 2, a lower U-shaped support 4, a nut 1, lower connection bolts 5, upper connection bolts 7 and fixing bolts 8. The main vibration absorber 3 is fixedly connected with the upper U-shaped support 2 through the nut 1, the main vibration absorber 3 is fixedly connected with the lower U-shaped support 4 through the upper connection bolts 7, the upper U-shaped support 2 is connected with the diesel engine through the fixing bolts 8, and the lower U-shaped support 4 is fixedly connected with the bottom board 6 through the lower connection bolts 5. By the adoption of a buffering structure composed of the main vibration absorber 3, the upper U-shaped support 2 and the lower U-shaped support 4, the resonance peak can be effectively restricted, and the good vibration isolation buffering effect is obtained. The upper U-shaped support 2 is provided with a limiting device, and therefore the oversize amplitude of the diesel engine caused by overload is prevented. By means of the U-shaped buffering supporting base, support positioning is accurate, the buffering function is achieved better, and working reliability of the whole machine is improved.
Owner:CHINA NORTH ENGINE INST TIANJIN

Temporary isolation plugging device for tunnel construction and using method thereof

The invention discloses a temporary isolation plugging device for tunnel construction and a using method thereof. The temporary isolation plugging device comprises a vehicle body, wherein a servo motor B is arranged in the middle of the bottom of the interior of the vehicle body, a threaded column is arranged at the output end of the servo motor B, inner threaded sleeves which are matched with each other are arranged on the outer side of the threaded column, and hinge seats are arranged on the two sides of the inner threaded sleeves. According to the temporary isolation plugging device for tunnel construction and the using method thereof, arc-shaped supporting plates are formed through mutual unfolding of arc-shaped outer sleeves and arc-shaped inner sleeves, arc beams of tunnel entrances with different sizes are attached, and the attaching performance and the buffering function of the arc beams of the tunnel entrances are further improved by utilizing mutual linkage of attaching layers, arc-shaped rubber elastic pads, guide sleeves, springs and buffering structures applied by sleeve columns, so that vibration generated by tunnel construction is reduced; and when a tunnel collapses under the support of the structure, a reinforcing system can be formed by utilizing attaching support of the device and the tunnel entrances, so that the assembling structure of the tunnel arc beams can be stored.
Owner:温州方舵建筑有限公司
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