131results about How to "Guaranteed event space" patented technology

The invention provides a counting skipping rope which comprises two handles and a main rope for connecting the two handles, wherein a main guide wire is arranged in the main rope; each of two ends of the main guide wire extends into each handle respectively; a conductive elastic wire is led out of the end part, which is departed from the main guide wire of each of the two handle; the end part of each conductive elastic wire is connected with a metal magnetic block respectively; when the two metal magnetic blocks attract mutually, the main guide wire and each of the conductive elastic wires form a conductive loop; an output resistor is connected in series with the interior of each handle of the main guide wire; output voltage of the output resistors supply power to the input end of a triode switch circuit after being rectified through a rectification diode; the output end of the triode switch circuit is electrically connected with a counter; the counter is electrically connected with output equipment. The counting skipping rope is high in counting precision; furthermore, a user can learn about the current rope skipping speed condition in real time in the rope skipping process.

The invention discloses a method for ecological breeding of rice field polyculture carp and relates to the technical field of agriculture. The method comprises a step (a) of field preparation; a step (b) of field transformation; a step (c) of rice planting; a step (d) of fry stocking; and a step (e) of feeding and management. By arrangement of a stocking area and a rice planting area which are separated, an organic fertilizer discharged in the stocking area by young ducks is effectively applied to the rice planting area through circulation of a water feeding pipe and a water discharging pipe. By application of the technical scheme, ammonia, nitrogen and phosphorus and the like which are decomposed in aquatic organisms and duck excrement and residue in complex planting and breeding can be neutralized, rice hypoxia and foot rot caused by water quality pollution are avoided, and the comprehensive production capacity of a rice field is improved.

The invention provides a vibration cable, which comprises a sheath layer, a shielding layer, a polyester film layer, an insulator, a signal line and bare conductors, wherein the shielding layer, the polyester film layer and the insulator are coaxially sleeved with the sheath layer in sequence from outside to inside; a parallel integrated signal line is arranged at the center of the insulator; grooves are formed in the outer edge of the insulator at two ends of the parallel integrated signal line; a rigid lining laminated with the wall of each groove is arranged in the groove; each bare conductor is sleeved with one rigid lining; the cross section area of each rigid lining is greater than that of the corresponding bare conductor; and arc-shaped internal shielding layers are embedded into the insulator between the parallel integrated signal line and the bare conductors in a manner of mirror symmetry separately. The vibration cable has the advantages and beneficial effects that the free movement spaces of the bare conductors are ensured and the influences of bending and extruding of the cable are avoided; mutual interference between the two bare conductors and the interference from anexternal signal are effectively reduced by the arc-shaped internal shielding layers and the reliability of the cable is ensured; and meanwhile, multiple signals can be transmitted through the four-core signal line.

The invention belongs to the technical field of resources and environment, and relates to the technical field of limited space air pollution prevention and treatment. The invention discloses a multi-person ward air purification system and method. The multi-person ward air purification system comprises an air circulation device arranged in a ward, the air circulation device is connected to an air purification device, the air circulation device is further connected to a sickbed isolation device, the air circulation device comprises an air collecting pipe group and an air dispersing pipe group, the air purification device comprises a disinfection and dust removal mechanism, the disinfection and dust removal mechanism comprises an air inlet communicating with the air collecting pipe group and further comprises an air outlet communicating with the air dispersing pipe group, the air purification device further comprises a humidifying mechanism communicating with the air dispersing pipe group, the sickbed isolation device comprises an air curtain generation mechanism matching with sickbeds and further comprises an air curtain backflow mechanism matching with the air curtain generation mechanism. The multi-person ward air purification system and method are fast in ventilation, good in purification effect and capable of isolating sickbeds.

The invention discloses a liquid feeding device with a sealing strip with a layered structure and a liquid saving box. The liquid feeding device comprises a pressure air feeding device (7), a pressure cavity (8), a pressure feeding pipe (9), a liquid feeding pipeline (10) and an adsorbing filtering device (20), wherein the pressure air feeding device (7) is used for providing pressure for the pressure cavity (8) through the pressure feeding pipe (9); the pressure cavity (8) is capable of pressurizing liquid in the pressure cavity (8) and sending the pressurized liquid out through the liquid feeding pipeline (10), and the adsorbing filtering device (20) is arranged on the inner side end of the liquid feeding pipeline (10) and is used for filtering the liquid when the liquid feeding pipeline (10) absorbs the liquid from the pressure cavity (8); the outer side end of the liquid feeding pipeline (10) is used for sending out the liquid in a flowing manner, and the top of the pressure cavity (8) is provided with a liquid inlet (81).

The invention belongs to the field of hydraulic system energy storage devices, and particularly discloses a piston type energy accumulator capable of generating electricity. The energy accumulator comprises a shell, a gas end cover, an oil end cover and a piston, wherein the gas end cover and the oil end cover are respectively arranged at two ends of the shell; a coil is arranged in the gas end cover; the coil penetrates through the gas end cover and is connected with an external electricity storage and utilization device; the piston is movably installed in the shell and is a convex piston, an annular magnet is installed on a boss of the convex piston, and when the piston moves in the shell, the annular magnet penetrates through the coil. Pressure pulsation in a medium-pressure and high-pressure hydraulic system can be absorbed, noise can be reduced, meanwhile, the piston reciprocates between a gas cavity and an oil cavity to drive the annular magnet to form a moving magnetic field with non-uniform strength, the moving magnetic field generates magnetic flux change when penetrating through the coil, and then the electromagnetic induction phenomenon is generated, so that vibration energy can be converted into electric energy to supply power to an electricity storage device or an electricity load.

The invention discloses a bicycle saddle with spring shock absorbers. The bicycle saddle comprises a bicycle saddle body. The front end of the bottom of the bicycle saddle body is connected with an arc manganese steel sheet rod, and the rear end of the bottom of the bicycle saddle body is connected with the arc manganese steel sheet rod through the two shock absorbers. It is actually springs which are compressed when the bicycle saddle body is pressed, and corresponding swing arms rotate in a swing mode simultaneously. When a bicycle body is loosened, the bicycle body needs to rebound with spring force, the shock absorbers achieve a damping effect on rebound of the springs at the moment, and the springs tend to be stable after rebounding, so that vibration brought by the springs is greatly reduced. The bicycle saddle has the characteristics of being simple in structure and good in shock absorbing effect.

The invention provides a telescopic sleeve hydraulic cylinder unloading device of a mining dump vehicle. The telescopic sleeve hydraulic cylinder unloading device comprises a hydraulic cylinder piston, a tail level cylinder barrel, a guiding sleeve and a tail level piston rod. An unloading device body is arranged on the hydraulic cylinder piston and is arranged in the moving direction of the hydraulic cylinder piston. According to the unloading device body, the hydraulic cylinder piston is provided with a penetrating hole in the hydraulic cylinder piston moving device, the penetrating hole is internally provided with a guiding pin shaft, and the part, at the tail end of the penetrating hole, of the guiding pin shaft is provided with a dovetail cone. The guiding pin shaft penetrates out of the penetrating hole and is sleeved with a spring. The spring is externally provided with a spring base. Outside the spring base, the guiding pin shaft is fixed through a nut. When the telescopic sleeve hydraulic cylinder unloading device is used and an oil cylinder is elevated to the highest point, the unloading device body on the hydraulic cylinder piston makes contact with the guiding sleeve, an unloading valve is opened to make oil liquid in a rodless cavity enter a rod cavity, the unloading function is finished, and the oil cylinder is prevented from suffering from ultrahigh pressure no longer.

The invention relates to a device which is used for feeding a liquid by utilizing air pressure and is provided with a buffer limiting pipeline section and a radially-extending connecting part with a radial long and narrow slot. The device comprises a pressure air feeder (7), a pressure chamber (8), a pressure supply pipe (9), a liquid feeding pipeline (10) and an absorbing and filtering device (20), wherein the pressure air feeder (7) is used for providing pressure for the pressure chamber (8) by the pressure supply pipe (9); the pressure chamber (8) is used for pressurizing the liquid in the pressure chamber (8) and sending out the pressurized liquid by the liquid feeding pipeline (10); the absorbing and filtering device (20) is arranged at the inner side end of the liquid feeding pipeline (10) and is used for filtering the liquid which is absorbed from the pressure chamber (8) by the liquid feeding pipeline (10); the liquid which is sent out can flow at the outer side end of the liquid feeding pipeline (10); the top of the pressure chamber (8) is provided with a liquid inlet (81).

The invention discloses a layered cocoon cooking method, relating to the technical field of cocoon processing. The layered cocoon cooking method comprises the steps of (A) soaking, namely putting cocoons into purified water of 40-50 DEG C, soaking for 3-5 minutes and fully moistening the cocoons; (B) cooking, namely putting the cocoons on a layered cocoon cooking device, putting the layered cocoon cooking device with the cocoons into a cocoon cooking pot containing the purified water for cooking, further cooking for 5-8 minutes after the purified water in the pot reaches a boiling state, and fully defibering the cocoons; and (C) cooling, taking out the cocoons cooked in the step (B) and the layered cocoon cooking device, putting the cocoons and the layered cocoon cooking device into a container containing the purified water at 50-60 DEG C for 3-5 minutes, cooling the cocoons, and further swelling and properly dissolving cocoon layer sericin. Compared with the prior art, the layered cocoon cooking method has the advantage that the problem of uneven cocoon defibering when the cocoons are cooked can be solved.

The invention discloses a pumping device provided with a layered structural sealing strip and a liquid storage tank. The pumping device comprises a power unit (7), a pumping device body (8), a water outlet pipe (9), a water inlet pipe (10) and a water inlet filter device (20), wherein the power unit (7) is used for providing power for the pumping device body (8), the pumping device body (8) is capable of generating pressurized water flow and sending the pressurized water flow out through the water outlet pipe (9), and the water inlet pipe (10) is used for absorbing the water flow from a water source.

The invention belongs to the technical field of articles for daily use, and particularly relates to a non-slippery quilt. The quilt comprises a quilt body (1); the quilt body (1) is provided with a quilt head (11), a quilt foot (12) and a quilt bottom (13); a penetrating gap (2) is arranged on the quilt head (11); the head of a person can pass through the gap (2); a belt (3) is transversely arranged on the quilt bottom (13); two ends of the belt (3) are fixed at the quilt bottom (13); and the belt (3) is close to the quilt foot (12). The quilt has the advantages of simple structure, novel design and practical function; the quilt is difficult to slip off along turning over actions of human body, and the quilt can keep shoulder parts and leg parts to be warm.

A pumping device with layered structural sealing strips and a central shaft with electroplating coating comprises a power device (7), a pumping device body (8), a water outlet pipe (9), a water inlet pipe (10) and a water filtering device (20); the power device (7) is used for providing power for the pumping device body (8); the pumping device body (8) can generate pressured water flows and discharge the pressured water flows through the water outlet pipe (9); the water inlet pipe (10) is used for drawing water from a water source.

The invention discloses a telescopic bridge support for hydraulic engineering emergency. The telescopic bridge support comprises a feeding base, a controller is fixedly connected to the top of the feeding base, an initial fixing base is fixedly connected to the bottom of the feeding base, and a supporting device is slidably connected to the outer wall of the right side of the initial fixing base; and the right side of the bottom of the supporting device is fixedly connected with a terminating fixing base, the bottoms of the inner walls of the two sides of the terminating fixing base are fixedly connected with rolling supports, and the bottoms of the inner walls of the two sides of the initial fixing base are fixedly connected with the rolling supports. The invention relates to the technical field of hydraulic engineering. According to the telescopic bridge support for hydraulic engineering emergency, it is guaranteed that a fixing pile makes contact with and is fixed to the ground firstly, so that a telescopic placing base has good stability when stretching out and drawing back, the stretching and drawing direction of a horizontal telescopic rod is limited after fixing, a suspension frame can float when making contact with water flow, and an installation device is effectively ensured to move along with the horizontal telescopic rod and float on the water surface when making contact with the water body.

The invention specifically relates to a neck protection music sofa which comprises armrests, a backrest and a sofa body, wherein an article placing table, a placing table accommodating slot and a rotary shaft are arranged on one armrest; the rotary shaft is arranged inside the armrest; the article placing table is in rotary connection with the rotary shaft through a rotor; a limiting table is alsoarranged on the front side surface of the armrest; a music play device is arranged in the backrest; MP3 players and loudspeakers are arranged on two sides of the backrest; a music control key is mounted on the other armrest; a neck pillow accommodating box is arranged at the upper part of the backrest; and a movable neck protection pillow is arranged in the neck pillow accommodating box. The neckprotection music sofa provided by the invention has multiple functions and can be used for sitting to take a rest and playing music; and moreover, with an accommodating article placing table, the neck protection music sofa can make the lives of people convenient.

The invention provides a following hanging bracket. The following hanging bracket comprises a chassis, a stand column arranged on the chassis and an annular force arm arranged on the stand column andused for being connected with an exoskeleton robot, wherein the annular force arm is connected with a synchronous adjusting device; the chassis comprises a bearing beam and a frame beam, the stand column is arranged on the bearing beam, and a caster set is arranged below the frame beam; the annular force arm comprises a left force arm body and a right force arm body. Connecting pieces connected with the exoskeleton robot are arranged at the ends of the left force arm body and the right force arm body; the stand column comprises an inner stand column body and an outer stand column body, and thehanging bracket is provided with a folding stool. According to the folding stool, a user can have a rest and sit down at any time, the user can have a more scientific gait in the rehabilitation training process through a longitudinal sliding adjusting part and the universal adjusting connecting pieces, and the activity space of the hip in the walking state and the front-back and up-down adjustingfunctions of the hip in the walking process are guaranteed.