23results about How to "Improve energy dissipation effect" patented technology

The invention discloses a spiral runner valve and an on-pipe drip irrigation emitter, and belongs to the technical field of irrigation devices. The spiral flow channel valve comprises a body, a spiral flow channel is arranged on the side wall of the body, a water inlet flow channel is formed in the top end of the body and connected with the water inlet end of the spiral flow channel, a water outlet flow channel is formed in the bottom end of the body and connected with the water outlet end of the spiral flow channel, and a blocking structure for blocking water flow is arranged in the spiral flow channel. According to the spiral flow channel valve and the on-pipe drip irrigation emitter, through collision and friction between the spiral flow channel and the upper stop block and between the stop block and water flow, the energy dissipation capacity for pressurized water is improved, vortex turbulent fluctuation of the downstream face of the upper stop block and the downstream face of the lower stop block is improved, sediment deposition on the downstream face is reduced, and the service life of the drip irrigation emitter is prolonged. And the normal use of the drip irrigation emitter is ensured.

The utility model belongs to the technical field of engineering, and particularly provides a multi-stage energy dissipation channel structure suitable for abrupt slope terrains, which comprises a multi-stage energy dissipation unit, an outlet apron and a reinforced gabion which are sequentially connected from top to bottom. Each stage of energy dissipation unit comprises an abrupt slope and a stilling pool, and the lower end of the abrupt slope is connected with the stilling pool. However, energy formed by overhigh height difference is concentrated at the tail end for energy dissipation treatment, and the problems of large investment, large occupied area and poor safety often exist. According to the utility model, the difficulty that energy generated by height difference is concentrated at the tail end to be eliminated is avoided, the energy dissipation effect is greatly improved, the safety is better guaranteed, the building scale is reduced, and the investment is reduced.

This invention discloses a submarine cable anti-scouring device and its construction method, applicable to the field of submarine cable protection technology. The invention includes a filter layer and a flexible protective layer. The filter layer comprises multiple filter pads arranged sequentially along the axial direction of the submarine cable on the surface of the cable and / or the seabed, with adjacent filter pads overlapping. The flexible protective layer comprises multiple flexible protective pads arranged sequentially along the axial direction of the cable on the filter layer. At least one flexible protective pad is provided at the overlap of any two adjacent filter pads to press the filter layer firmly against the surface of the cable and / or the seabed. This application, through the cooperation of the filter layer and the flexible protective layer, improves the stability of the submarine cable anti-scouring device to reduce inter-segment displacement and possesses adaptive capability to seabed subsidence deformation, effectively enhancing the anti-scouring effect of the submarine cable.

An airfoil-shaped energy dissipation basin comprises a conventional section, a narrowed section located downstream of the conventional section and having a narrowed flow cross section, and an airfoil-shaped structure located at the head of the upstream narrowed section and diffusing toward the outside of the flow channel; the airfoil-shaped structure comprises a narrowed portion and a diffusing portion. The present invention provides an additional energy dissipation site for part of the water body by adding airfoil-shaped structures on both sides of appropriate positions in the middle of a conventional energy dissipation basin, so that the part of the water body forms a strong swirl in the diffusion part space, thereby realizing a large dissipation of energy, and greatly increasing the energy dissipation efficiency of the conventional energy dissipation basin. In addition, the present invention has a simple structure, does not significantly increase the amount of engineering, has an outstanding energy dissipation effect, and has a great application value.

The damping and buffering connecting mechanism comprises a switching assembly and a damping assembly, the switching assembly is arranged at the top end of a machine gun frame, the top of the switching assembly is connected with the damping assembly, and the top of the damping assembly is connected with the infrared sighting telescope; the adapter assembly comprises an adapter base, the adapter base is connected with an energy absorption adapter plate, and the energy absorption adapter plate is connected with a Picatinny guide rail piece; the damping assembly comprises a locking base and a locking bolt, the half side of the locking bolt is tightly embedded into the locking base, and the other half side of the locking bolt is tightly embedded into a transverse groove of the picatinny guide rail piece. The locking seat is connected with a connecting frame, and a damping shock absorber and a damping spring are arranged between the connecting frame and the connecting seat. According to the scheme, the shock absorption device has the beneficial effects that the structure is simple, the design is reasonable, and the shock absorption assembly is adopted to effectively protect the infrared sighting telescope, so that the shock absorption device adapts to the impact force of various machine guns with small and medium diameters, the use reliability of the infrared sighting telescope is improved, and the tactical application performance of the machine guns is powerfully ensured.

This invention relates to the field of energy dissipation facilities at the inlet of a ship lock, and more particularly to a main water conveyance corridor of a lock pier with an energy dissipation structure. The pier includes a lock pier with several water outlets at its top. Omnidirectional energy dissipation components are installed within each water outlet. Energy dissipation covers are installed on the lock pier at positions corresponding to the water outlets, and impact-resistant components are installed at the bottom of each energy dissipation cover. This invention, by setting up an omnidirectional energy dissipation component, uses a planetary gear system composed of a motor, shaft, sun gear, planetary carrier, planetary gears, and ring gear to stably transmit motor power to the drive column. This ensures the smooth rotation of the inner rotating sleeve and vortex blades, generating vortex flow and effectively consuming the energy of the water flow, achieving initial energy dissipation. Simultaneously, the angle of the vortex blades can be flexibly adjusted by controlling the extension and retraction of the telescopic cylinder's telescopic rod to adapt to different water flow conditions, further optimizing the energy dissipation effect.

The present invention provides a swirl collision type flow channel anti-clogging dripper, including a collision flow channel and an arc-shaped baffle; at least one turning flow channel with a turning angle greater than 90 degrees is provided in the collision flow channel; a plurality of arc-shaped baffles are provided along the flow direction of the collision flow channel, and the plurality of arc-shaped baffles form a labyrinth channel, and the liquid medium is output in a dripping manner at the outlet of the collision flow channel through the collision of the liquid medium with the arc-shaped baffles. The arc-shaped baffle includes a plurality of baffle assemblies uniformly distributed in the collision flow channel along the flow direction; the baffle assembly includes a first arc-shaped long baffle, a second arc-shaped long baffle, a first arc-shaped short baffle and a second arc-shaped short baffle. The present invention uses a special arrangement of long and short arc-shaped baffles to make water flows collide with each other, and water flows collide with pipe walls and baffles, which plays a good energy dissipation role for the traveling water flow.

According to the hollow type vertical structure, a space defined by a top plate, a bottom plate, a rear wall plate and a front plate forms an energy dissipation chamber frame, reinforcing corners are arranged at the connecting position of the top plate and the rear wall plate and the connecting position of the bottom plate and the rear wall plate, the front plate is composed of hollow bodies, and a water permeable opening is formed between every two transversely adjacent hollow bodies. The novel permeable bodies are combined to serve as the front plate of the structure, the front plate, the rear top plate, the rear bottom plate and the rear wall plate form the wave dissipation chamber, the wave can be rapidly diffused to the two sides, and the wave dissipation effect is good. And meanwhile, the size of the wave dissipation chamber can be adjusted according to parameters such as the wave period, so that the optimal wave dissipation effect is achieved. The structure does not need to backfill bin lattice materials, field installation and construction are convenient, and the appearance is attractive after assembly; good inhabiting and sheltering places can be provided for marine organisms, and the method is friendly to the marine environment.

This invention discloses an energy dissipation structure and construction method that takes into account both water level and flow rate changes in the field of flood discharge energy dissipation and hydraulic engineering construction technology. The structure includes sidewalls; a flood discharge channel section, an energy dissipation platform stage, a smooth connecting section, and a diversion energy dissipation reverse arc section, sequentially arranged between the two sidewalls along the water flow direction; and a diversion energy dissipation base anchored below the diversion energy dissipation reverse arc section. The top elevation of the diversion energy dissipation base is greater than the low flood season water level of the reservoir but less than the high flood season water level of the reservoir. The downstream elevation of the energy dissipation platform stage is greater than the low non-flood season water level of the reservoir but less than the high non-flood season water level of the reservoir. This invention achieves the coordinated use of multiple energy dissipation methods through the sequential energy dissipation of the water flow by the energy dissipation platform stage and the diversion energy dissipation reverse arc section, thereby improving the energy dissipation effect.

The utility model discloses a kind of energy-dissipation basin structures with buffering energy-dissipation function, including vertical pool body, vertical pool body top is connected with inlet conduit, vertical pool body side portion is equipped with with its intercommunication drain conduit, the height where drain conduit is located is greater than the height of vertical pool body inner chamber bottom;The inner chamber upper portion of vertical pool body is installed with the buffering ring and buffer block of group setting, buffer block is located in the inside of buffering ring, buffering ring is fixedly installed on the inner wall of vertical pool body, buffer block is installed on the support column of vertical structure, and water flow passage is formed between buffering ring and buffer block;The inner chamber bottom of vertical pool body is installed with multiple buffer plates being set in longitudinal direction and being stacked in layers.This energy-dissipation basin structure provided by the utility model gradually consumes water flow kinetic energy through the cooperation of multistage energy-dissipation structure, significantly improves energy-dissipation effect, converts high-speed water flow into stable flow, and avoids the damage of direct impact on structure.

The application discloses a deep-water rapid-flow strong-tide cofferdam outer ring anti-scour device, which comprises a buffer assembly, a mud surface protection mechanism and an energy dissipation mechanism, the mud surface protection mechanism comprises a guide fin, a segmentation cage, a connecting rib plate, a cavitation tube, a guide rod, a translation screw rod and a gas outlet end, the guide fin is in threaded connection with the translation screw rod, and the outer contour of the segmentation cage is in close fit with the inner contour of the guide fin. The mud surface protection mechanism is arranged, so that the device can avoid the problems that the mud surface is washed away by water flow or the mud surface is washed downward due to insufficient protection of the mud surface, and further the bearing capacity of the cofferdam is caused, the cofferdam is inclined and collapsed, and quality and safety accidents are caused.

The invention discloses a percolate guiding and discharging and impermeable membrane energy dissipation protection device, and belongs to the technical field of industrial solid waste treatment. The device comprises an industrial solid waste disposal site, an energy dissipation device and a leachate collection pool, the energy dissipation device is connected with the industrial solid waste disposal site through a drainage pipe A or an energy dissipation pipe set, and an effluent energy dissipation device is placed in the leachate collection pool and connected with the energy dissipation device through the energy dissipation pipe set. The percolate is subjected to three-stage or four-stage energy dissipation and then is guided and discharged into the percolate collecting tank, so that the kinetic energy and the flow speed of the percolate are greatly reduced, the energy dissipation effect on the percolate is improved, and the influence of hydraulic impact and hydraulic disturbance of the percolate on an impermeable membrane in the percolate collecting tank is basically eliminated, so that the impermeable membrane is effectively prevented from being broken, and the service life of the percolate is prolonged. The integrity of the impermeable membrane is ensured, and the safe and stable operation of the leachate collecting tank is ensured.

The present application relates to a kind of multistage energy dissipation type drainage energy dissipation well, including well cavity, baffle mechanism, slide bar transmission mechanism, cover plate driving mechanism, cover plate, gear driving mechanism, vertical stirring mechanism and horizontal stirring mechanism, well cavity is divided into baffle energy dissipation chamber, water mat energy dissipation chamber, transition chamber, stirring energy dissipation chamber, power chamber and outlet chamber, baffle energy dissipation chamber is far from the upper portion of the side wall of outlet chamber side, water inlet pipe is communicated with being arranged, outlet chamber is far from the bottom of the side wall of transition chamber side, outlet pipe is communicated with being arranged. By baffle mechanism, the water flow that enters baffle energy dissipation chamber is dropped and is dissipated, simultaneously, baffle mechanism drives slide bar transmission mechanism to move downward and successively drives gear driving mechanism, vertical stirring mechanism and horizontal stirring mechanism to rotate, can be stirred to the water flow in water mat energy dissipation chamber and stirring energy dissipation chamber, simultaneously, cover plate driving mechanism can drive each cover plate dynamic switching one energy dissipation, two energy dissipation or three energy dissipation mode according to water level change, improve energy dissipation efficiency.

The utility model provides an assembly type full-rotation concrete pouring device and system. The assembly type full-rotation concrete pouring device comprises a material collecting mechanism, a rotating mechanism and a conveying mechanism. The material collecting mechanism is connected with the rotating mechanism, and the rotating mechanism is connected with the conveying mechanism; the rotating mechanism comprises an inner steel pipe, an outer steel pipe and a rotating structure arranged between the inner steel pipe and the outer steel pipe, and the inner steel pipe and the outer steel pipe are clamped mutually and rotate mutually through the rotating structure. The concrete system provided by the utility model comprises at least two sets of concrete pouring devices provided by the utility model. According to the assembly type full-rotation concrete pouring device, concrete can be discharged from a mixer truck and then flows to a designated pouring position through the device, the flexibility of the concrete pouring device is enhanced, full rotation of the concrete pouring device is achieved, and the working face for concrete pouring is increased.

An energy dissipation facility for adjusting flow patterns, relating to the field of hydraulic engineering, includes: an energy dissipation slope and an energy dissipation pool. The energy dissipation slope comprises an incline with energy dissipation steps and guide holes on the steps, and the bottom of the slope has a transverse slope. The energy dissipation pool is a pool-shaped structure with pool walls and a bottom, the bottom of which also has a transverse slope. Compared with existing technologies, this invention has the following advantages: by adding flow-guiding energy dissipation facilities to the incline, it breaks through the limitations of traditional energy dissipation pools, cleverly guiding the water flow to a uniform distribution, redistributing the water flow that was originally concentrated on the left side, and significantly improving the energy dissipation effect. Simultaneously, this facility also has a significant advantage in increasing energy dissipation flow rate, fully tapping the energy dissipation potential of the facility, and has important application value in the technical fields of precise flow pattern control and efficient energy dissipation, such as hydraulic engineering and fluid transport system optimization.

This application discloses a friction energy dissipation unit device, relating to the field of slope protection net technology. It includes a first plate, a second plate, a steel wire rope, a sleeve, and a core ring. The first plate is located below the second plate and the two are connected. The second plate has an irregularly shaped surface and symmetrical first and second energy dissipation channels. The steel wire rope has energy dissipation channels at both ends, forming a U-shaped structure. The sleeve is fitted with the U-shaped structure to form a clamping structure, which engages with the arc-shaped groove of the core ring. Under external force, the steel wire rope slides relative to the energy dissipation channels to achieve frictional energy dissipation. Some embodiments increase the constraint area through S-shaped / spiral channels or achieve secondary energy dissipation through sliding connections between the plates. The device adopts a frictional energy dissipation mode, has no irreversible deformation, is reusable, and has a detachable structure for easy maintenance. It is suitable for external force energy dissipation scenarios such as earthquakes and rockfall impacts in slope protection net systems.

Hollow hump type ecological slope protection structure: composed of a hump part and a plane part, the hump part includes a hump solid part and a hump hollow part, the plane part includes a plane solid part and a plane hollow part; the hump part is a strip boss composed of the solid parts on both sides of the hump and the plane solid parts on the top, rectangular holes are opened in the solid parts on both sides of the hump, and the hump hollow part is used for wave dissipation and water permeability; the plane part is the plane solid part at the bottom between the two humps, and rectangular holes are opened in the plane solid part, and the plane hollow part is used for wave dissipation and water permeability. The present invention has good energy dissipation effect, can effectively absorb wave energy, reduce water climbing, reduce wave height, help reduce the impact of waves on the structural stability of hydraulic structures, and control land water and overtopping. The present invention itself has good stability. Due to its high water permeability, the negative pressure is small when the wave trough acts, and the wave force it is subjected to is also relatively small.

The invention belongs to the technical field of hydrocyclones, discloses a hydrocyclone for building drainage, and aims to solve the problems that according to an existing drainage hydrocyclone, energy dissipation is conducted on water flow through an energy dissipation ring, blades can be abraded due to impact of the water flow, and in the prior art, the blades are inconvenient to replace; in order to solve the problem that the prior art is inconvenient to produce and manufacture and the stability of an upper shell and a lower shell is affected due to the fact that the exhaust space is arranged in the prior art, according to the technical scheme, the device comprises two first flanges which are arranged up and down, an upper pipe is fixedly installed on the bottom face of the upper first flange, and a telescopic pipe structure is fixedly installed on the top face of the lower first flange; the number of the energy dissipation devices can be adjusted through the mounting device, then the energy dissipation effect of all floors can be optimized, the energy dissipation devices can be replaced, the resistance maintenance device can prevent water flow from driving blades to rotate, then kinetic energy of the water flow can be consumed, and the energy dissipation effect of all floors can be optimized. And the blade loss is reduced, and the service life of the blade is prolonged.

The invention discloses an anti-slip multi-stage drop culvert, comprising a hollow culvert body, wherein the outer top and outer bottom of the culvert body are both stepped, and a plurality of drop steps are arranged on the inner bottom surface of the culvert body along the water flow direction, and an inclined energy-absorbing steep slope is arranged on the step surface of the drop steps. By arranging the outer top and outer bottom of the culvert body in a stepped shape, the weight of the culvert body acts on the soil below it in a vertical direction, and the covering soil is positively pressed on the top of the culvert body, so that the culvert body and the top covering soil can be effectively prevented from slipping without additionally arranging anti-slip support facilities. At the same time, the water flow is impacted and energy-dissipated by the drop steps and the energy-absorbing steep slope inside the culvert body, and the water flow is further energy-dissipated in cooperation with the energy-reducing protrusions on the inner side of the culvert body, so that the water flow speed can be effectively slowed down without additionally arranging energy-dissipating facilities.

The invention belongs to the technical field of shock absorption of building structures, and relates to a novel self-resetting energy dissipation supporting device. Comprising a shell, transmission parts are arranged on the two side walls of the shell in a penetrating mode, a transmission device and an energy consumption device are arranged in the shell, energy is transmitted to the energy consumption device through the transmission device, and energy consumption is achieved through the energy consumption device. A multi-stage damping method is adopted, when no external force exists or the external force is small, the main energy consumption device is separated from the central shaft, the main energy consumption device does not work, and when the external force reaches a certain value, the main energy consumption device is connected with the central shaft, and the main energy consumption device works.

The utility model provides a structure for improving the water flow characteristic at the junction of underground caverns, which comprises a vertical shaft spillway tunnel and a drainage tunnel, the spillway tunnel and the drainage tunnel intersect to form an intersection section of the spillway tunnel and the drainage tunnel, and the intersection section of the spillway tunnel and the drainage tunnel is communicated with the double-tunnel intersection and the drainage tunnel. A partition wall parallel to the axis of the spillway tunnel is arranged at the intersection section of the spillway tunnel and the drainage tunnel so as to separate the spillway tunnel from the intersection section of the spillway tunnel and the drainage tunnel, a bottom orifice is formed in the bottom of the partition wall, and a partition pier used for orifice diversion is arranged on the side, close to the drainage tunnel, of the partition wall. The included angle between the axis of the vertical shaft spillway tunnel and the axis of the drainage tunnel ranges from 15 degrees to 20 degrees, the drainage tunnel is reconstructed from a diversion tunnel, and a drainage steel pipe is lined in the diversion tunnel after diversion of the diversion tunnel is finished. The utility model can effectively solve the problem of surge caused by water flow hedging when the large flow of the flood discharge tunnel and the small flow of the drainage tunnel at the underground cavern junction converge, and improve the flow state of the tunnel junction, so that the water flow at the junction stably enters the downstream recession tunnel.

The invention belongs to the field of debris flow disaster prevention and reduction, and provides a channel debris flow blocking protection pile forest which comprises a plurality of protection pile sets, each protection pile set comprises a plurality of protection piles, and each protection pile is arranged in a channel comprising a three-level ramp. The protection pile is composed of a pile pier and an inclined baffle. The bottom surface of the pile pier of each protective pile is fixed in the second-stage ramp; the pile piers of all the protective piles in each protective pile group are located on the same straight line, and the connecting lines of the pile piers of all the protective piles in each protective pile group are parallel to one another and are perpendicular to the channel edge direction of the second-stage channel; the inclined baffles of all the protective piles in the same protective pile group are arranged in the same plane; in the guard pile group closest to the first-stage ramp, the inclined baffle of each guard pile points to the upstream direction of the second-stage ramp, and the inclined baffles of the guard piles in the other guard pile groups point to the downstream direction of the second-stage ramp; the protection piles in the adjacent protection pile sets are arranged in a staggered mode. The energy dissipation effect of an existing pile forest on the channel debris flow can be improved.

The utility model provides a modularization flow channel device with energy dissipation and anti-blocking performance, which comprises a flow channel, an energy dissipation cavity is arranged in the flow channel, a plurality of groups of flow channel units are arranged in the energy dissipation cavity, each flow channel unit comprises a base, an annular energy dissipation flow channel is arranged on the upper side of the base, sharp tooth protrusions are arranged on the inner wall of the energy dissipation flow channel, and the sharp tooth protrusions are arranged on the inner wall of the annular energy dissipation flow channel. The annular energy dissipation flow channels are arranged around the water distribution body, water inlets and water outlets are formed in the peripheries of the annular energy dissipation flow channels, the annular energy dissipation flow channels of the adjacent flow channel units are communicated through the water inlets and the water outlets, a water inlet is formed in one end of each flow channel and communicated with the water inlet and the water outlet of the flow channel unit arranged at the end, and a plurality of water outlets are formed in the side wall of each flow channel. And the water inlets and outlets formed in the side edges of the runner units on the boundary of the energy dissipation cavity are communicated with the corresponding water outlets. The device can adjust the water flow direction and improve the energy dissipation effect, and silt is not prone to being deposited.