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57 results about "Single shock" patented technology

Gas dehumidifying device with controllable supersonic speed of shock wave

The invention relates to a gas dehumidifying device with a controllable supersonic speed of a shock wave. The air current generates strong rotation when passing a guide vane grid, swells and accelerates to a supersonic speed through a contractile annular channel; the tail end of a central worm is a compression region of the shock wave, and in the compression region, the air current of the supersonic speed decelerates to a subsonic speed through the compression of an oblique shock wave and a normal shock wave; liquid drops continuously grow in the subsonic speed section, move to the outer side of a pipeline under the action of the centrifugal force, and finally enter a liquid-collecting chamber to be discharged by a liquid outlet; while the dry gas enters an exhaust chamber and is discharged by an air outlet. In the invention, the compression region of the shock wave is designed, and the growth region of liquid drops is divided into the supersonic speed region and the subsonic speed region, and the total length of the pipeline is effectively shortened by optimizing the length of the two parts, thereby the loss of frictional resistance caused by the interaction of the air current and the pipeline is reduced; the shape of shock wave in the compression region of the shock wave are designed as the oblique shock wave and the normal shock wave, thereby the strength of a single shock wave is weakened, the loss of the resistance of the shock wave is reduced, and the separation of boundary layers induced by the strong shock wave is avoided.
Owner:XI AN JIAOTONG UNIV

Electric bicycle

The invention relates to an electric bicycle, which comprises a bicycle frame forwards and backwards extending in the bicycle body direction, wherein the bicycle frame comprises a front fork, a steering post, a steering handle, a head pipe, a main pipe, a battery bracket, a pedal pipe, a fork frame pipe, a back flat fork, a back shock absorber, a seat cushion support pipe, left and right tail frame support pipes, a tail frame and a foot supporter, the front fork is arranged at the front end part of the bicycle frame, the steering post and the steering handle are arranged above the front fork, the head pipe is sheathed on the steering post, the top end of the main pipe is engaged with the back surface of the head pipe, the battery bracket is distributed at the two sides of the main pipe, the pedal pipe is arranged at the front end of the horizontal section of the main pipe, the fork frame plate is fixedly connected with the tail end of the main pipe, the tail end of the back flat fork is connected onto a back axle, the front end of the back flat fork is connected onto the fork frame plate, the back shock absorber is arranged between the back flat fork and the main pipe, the seat cushion support pipe is erected above the main pipe, the left and right tail frame support pipes extend towards the back upper side above the fork frame plate, the two sides of the tail frame are connected with the left and right tail frame support pipes, the front end of the tail frame is connected with the seat cushion support pipe, and the foot supporter is arranged under the fork frame plate. The electric bicycle has the advantages that the single main pipe and the middle single shock absorber are adopted as back shock absorption parts, the number of components is reduced, the structure of the whole bicycle body is compact, the weight is light, and the freedom of other structural design is ensured.
Owner:ANMADA CHEYS

Device for improving blast vibration attenuating effect of water filling shock absorbing holes and construction method

The invention discloses a device for improving the blast vibration attenuating effect of water filling shock absorbing holes and a construction method. The device comprises a plurality of shock absorbing rubber barrels installed in the water filling shock absorbing holes; each shock absorbing rubber barrel comprises an outer later waterproof rubber barrel body and an inner layer bulk solid fillingmaterial; each inner layer bulk solid filling material is completely wrapped in an inner cavity of the corresponding outer layer waterproof rubber barrel body; and a thin rope is further connected tothe outer layer waterproof rubber barrel body of each shock absorbing rubber barrel. The construction method includes the following steps that before blasting, whether the shock absorbing holes are filled with water or not is confirmed, and a certain number of shock absorbing rubber barrels are prepared for standby use; a certain single shock absorbing hole filled with water is selected, and a plurality of shock absorbing rubber barrels are sequentially placed in the shock absorbing hole and operation stops at the position of a hole opening of the shock absorbing hole; the placing work of theshock absorbing rubber barrels is carried out on other shock absorbing holes filled with water till all the shock absorbing holes are full of the shock absorbing rubber barrels; and after blasting iscompleted, the shock absorbing rubber barrels are sequentially taken out. The device and the construction method have the beneficial effects that the shock absorbing effect is good, no pollution is caused, cost is low, and reuse can be achieved.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI

Variable ellipticorbit equal-thickness vibrating screen

InactiveCN101890405AStrong sieve probabilityGreat sieve probabilitySievingScreeningEllipseDrive shaft
The invention relates to an variable ellipticorbit equal-thickness vibrating screen, which is suitable for size grading and drainage of raw coal, ores and other materials and comprises a screen box, an elastic support, a single shock excitation transmission shaft, two eccentric exciters, a motor, a motor base and a tyre type coupler, wherein the screen box is composed of a screen plate and a screen net; the elastic support supports the screen box and comprises a front support and a rear support; the single shock excitation transmission shaft is arranged on the screen box; the eccentric exciters are arranged at the two ends of the single excitation transmission shaft; and the single shock excitation transmission shaft is arranged to a position which deviates from a centroid of the screen box, is arranged diagonally above the whole centroid of the screen box and does not coincide with the whole centroid of the screen box. The ellipticorbit stroke generated at a screen surface charge-in end is larger, and the long shaft of an ellipse tapers from the inlet to the middle part of the screen body is decreasing, thus changing the characteristic of same movement mode of a traditionally translational ellipse and mode of the constant strength acted on the screen box. The vibrating screen has strong material delivery capability at the charge-in end so as to realize uniform and layering particle size distribution; and the vibrating screen has simple structure, high screen-penetrating rate and good use effect.
Owner:CHINA UNIV OF MINING & TECH

Shock absorption device for mechanical equipment

The invention discloses a shock absorption device for mechanical equipment. The shock absorption device for the mechanical equipment comprises a first shock absorption box body, a second shock absorption box body and a base, wherein a shock absorption plate is arranged at the upper end of the first shock absorption box body; the lower surface of the first shock absorption box body is slidably connected with the second shock absorption box body through a slide block; slide wheel rods are arranged at the two sides of the lower end of the shock absorption plate separately; a pressure reduction device is arranged in the second shock absorption box body; slide grooves are formed in the left side and the right side of the outer surface of the second shock absorption box body separately; and thebase is arranged at the lower end of the second shock absorption box body. The single shock absorption effect of an existing shock absorber is improved, and multiple shock absorption is added, so thata better shock absorption effect is achieved; the shock absorption device for the mechanical equipment is more convenient to detach and maintain, achieves a better utilization effect, is relatively simple in structure and cost-saving, and also acts a buffering effect to a certain extent; and meanwhile, AFC artificial cartilage foam on the surface of the upper end of a chassis plays a supporting role on the slide wheel rods to a certain extent, and is further capable of playing a part of shock absorption role.
Owner:滨州高新区国有资本投资运营有限公司

Shock tunnel explosion relief device with continuously and uniformly adjustable explosive relief efficacy

InactiveCN109799055ALow costContinuous and uniform detonation efficiencyAerodynamic testingShock waveDetonation
The invention provides a shock tunnel explosion relief device with continuously and uniformly adjustable explosive relief efficacy and applies to the field of wind tunnel experimental equipment. The shock tunnel explosion relief device comprises a shock wind tunnel which includes a detonation driving segment and an explosion relief segment; an explosion relief throttle device is mounted between the detonation driving segment and the explosion relief segment; the side of the explosion relief throttle device close to the explosion relief segment is provided with a diaphragm; the explosion reliefthrottle device includes a fixed plate and a moving plate attached to each other in concentric manner and having certain thickness; the moving plate can rotate around a co-axis to the moving plate and the fixed plate, and may be locked and attached to the side of the fixed plate close to the detonation driving segment under the action of a compression mechanism; the fixed plate and the moving plate are axially provided with a plurality of through holes identical in position. The explosion relief efficacy of a shock wind tunnel explosion relief segment can be autonomously adjusted as experiments require just through the single shock tunnel explosion relief device; the adjusting process is uniform and continuous; experimental equipment cost can be reduced; the explosion relief throttle device is applicable to different explosion relief experimental environments, and experimental efficiency is improved.
Owner:CHONGQING JIAOTONG UNIVERSITY
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