87 results about "Impact area" patented technology

The invention discloses a laminated plate impact event three-dimensional strain field inversion method based on binocular vision, and the method comprises the steps: laying dynamic tracking mark points on the surface of an impacted carbon fiber laminated plate, synchronously collecting the image data of the whole impact process through a high-speed binocular camera, and generating a binocular vision image sequence with impact time sequence information; generating three-dimensional displacement field data of the impact area of the carbon fiber laminated plate based on the binocular vision image sequence; calling the anisotropic constitutive model of the carbon fiber laminated plate to generate a preliminary three-dimensional strain field inversion result; and performing coupling operation on the preliminary three-dimensional strain field inversion result, the impact load parameter and the laminated plate material characteristic parameter to generate a final carbon fiber laminated plate three-dimensional strain field inversion result consistent with the dynamic response of the impact event. According to the embodiment of the invention, accurate full-field representation of the dynamic strain of the impact event can be realized, and reliable data support is provided for impact resistance evaluation and structure optimization of the laminated plate.

The invention provides a shield tunnel adjacent pile group influence zoning method based on engineering measures, which comprises the following steps: constructing a stress analysis model of soil disturbance caused by shield construction and pile group stress characteristics, and determining an interaction relationship among soil, piles and a tunnel; according to the interaction among soil, piles and tunnels, the interference degree of shield construction on the group piles is determined; according to the interference degree of shield construction on the pile group, a plurality of influence areas of the shield adjacent to the pile group are divided, the risk level of each influence area is determined, and the risk levels comprise the high risk level, the medium risk level and the low risk level; and aiming at the risk level of each influence area, determining engineering protection measures according to the risk level of the influence area so as to ensure construction and structure safety. At least the disturbance degree of shield construction on the pile group can be accurately predicted, and engineering protection measures are determined according to the risk levels of the multiple influence areas, so that construction and structure safety is ensured, and engineering risks and economic losses are reduced.

The application discloses a tundish dam structure with a flow guide pipe, which comprises a straight wall, a flow guide hole, a side wall, a dam and a flow guide pipe. The straight wall, the side wall and the dam are an integrated structure, and the integrated structure is embedded in the inner wall of the tundish at both ends. The straight wall in the inner cavity of the dam is provided with a plurality of flow guide holes, and the flow guide pipe is embedded on the flow guide hole. The application effectively promotes the removal of inclusions in the impact area and the casting area of the tundish.

This invention discloses an active hood pop-up system, control method, and vehicle, including an engine hood, an active pop-up device, a visual sensing device, an analysis and processing device, and a control device. The active pop-up device includes multiple active pop-up mechanisms evenly distributed on the underside of the engine hood, configured to partially pop up the engine hood. The visual sensing device is configured to visually detect vehicle driving information during vehicle operation, including pedestrian and vehicle information. The analysis and processing device is configured to analyze and process the driving information to determine the impact area between the pedestrian and the engine hood. The control device is configured to activate the active pop-up mechanism corresponding to the impact area before impact. This invention pre-adjusts the active pop-up mechanism when a pedestrian-vehicle collision occurs and activates the corresponding active pop-up mechanism according to different impact areas, achieving active and intelligent protection for pedestrians.

The application discloses a kind of extracorporeal shock wave treatment handle and therapeutic instrument, belong to biological medical equipment technical field, including pipe body, control handle and impact component, pipe body is equipped with air pipe;Control handle is equipped with gas control valve, air pipe is equipped with bullet body;Impact component includes cover, impact body and elastomer, impact body is set in cover and has multiple impact heads.The impact component of the application is designed with multiple impact heads, the impact head is designed with nested type, the position of each impact head can be adjusted by adjusting mechanism, by changing the number of impact heads in working condition, the size and form of impact area can be adjusted, without the need to disassemble the original impact head and install new impact head as in the traditional biological medical engineering industry, to change the impact area and form, thereby greatly improving the convenience and versatility of equipment use.

The application discloses a kind of electrical equipment performance comprehensive test device, including comprehensive test box and walking base, the top of the walking base is fixedly connected with support, the top of the support is rotatably connected with suspension frame, and the rotating axis of the suspension frame and comprehensive test box is horizontal.The application is provided with support, suspension frame, top protection trigger frame and side protection trigger frame, wherein the comprehensive test box is hung at the free end of the suspension frame, the top of the support is rotatably connected with the suspension frame, the side protection trigger frame is arranged on the two sides of the comprehensive test box, and the top protection trigger frame is arranged on the top, then the clutch control group and the winding buffer are arranged on the support, when the left and right sides or the top of the comprehensive test box is impacted, the suspension frame will swing down to drive the comprehensive test box to buffer subsidence, away from the impact area, the setting has impact displacement self-protection function, which greatly improves the self-protection performance of the comprehensive test box.

The present application relates to the technical field of downhole management, and particularly discloses a coal mine downhole anti-collision personnel management system, which is used to solve the problem of weak prevention ability of personnel management in coal mine downhole accidents; the present application sets the positioning base station installed at the entrance of the impact area as the first positioning base station, the positioning base station installed at the end of the impact area as the second positioning base station, and the positioning base station installed at the exit of the impact area as the third positioning base station by acquiring the positioning information of the personnel, sets the distance path between the first positioning base station and the second positioning base station as the first path, sets the direction of the first positioning base station towards the second positioning base station in the first path as the first positive direction, and sets the direction of the second positioning base station towards the first positioning base station in the first path as the first negative direction, compares the positioning information of adjacent time points to determine the movement direction of the personnel in the first path, realizes dynamic monitoring, and ensures instant grasp of the personnel flow direction and state.

The present disclosure relates to a method for transmitting traffic instructions in a mine comprising: receiving (SI) data indicative of at least one event within the mine (1) from at least one sensing unit (11) within the mine, the data comprising timing information data, position information data and observation information data, determining (S4) an impacted area (3) on a model of the mine based on the timing information data, position information data and the observation information data, determining (S5) at least one traffic rule based on the impacted area (3), transmitting (S7) at least one traffic instruction based on the at least on traffic rule to at least one receiving unit (2).

The present invention discloses a laser-induced shock wave high-precision forming method, which belongs to the field of laser shock forming technology. The method comprises the following steps: (1) determining the material, size, and structural dimensions of a part after forming; (2) drawing a three-dimensional model of the part, determining a laser shock forming processing scheme, and adjusting process parameters to ensure that the structural dimensions after forming meet the requirements; (3) using trajectory planning software to determine the processing trajectory of the first processing area, and impacting the first impact area according to the determined processing scheme and processing trajectory; (4) scanning the part after the impact of the first area, calculating the structural dimensions, and redrawing the three-dimensional model of the part; (5) determining the processing trajectory of the second impact area according to the newly drawn three-dimensional model of the part, and impacting the second impact area according to the determined processing scheme and processing path; and repeating the above process until all areas are processed. The method enables the laser to be accurately irradiated to the specified position, thereby improving the accuracy of laser shock forming.

The invention relates to a flow field visualization measurement system and a measurement method for impact entry of a landslide block into water. The flow field visualization measurement system comprises a water tank, a slope arranged in the water tank, a landslide block body arranged on the slope, and PIV equipment used for observing the distribution of an inflow flow field impacted by the landslide block body. The water tank is filled with experimental fluid; the landslide block body is formed by stacking transparent solid particles with the same refractive index as the experimental fluid; the PIV equipment comprises a laser light source and a camera; wherein the laser light source illuminates an impact water-entering area of the landslide block rushing into the experimental fluid, and the camera directly faces the impact water-entering area and is used for acquiring an image. Compared with the prior art, the flow field distribution in the collapse block and the flow field distribution under the action of the block body and water flow when the landslide block body impacts into water can be accurately observed, so that more accurate data support is provided for understanding and predicting the flow field dynamic state when the landslide block body impacts into water.

The application belongs to the technical field of sensors and particularly relates to a water jet impact sensor and a use method thereof. An LED lamp indication area is arranged on a target plate surface, a pressure sensing unit with a fence type grid node is adopted, cylindrical weights with different masses and different round bottom areas are used to drop and impact the target plate from different heights, the water jet impact target plate is simulated under different pressures, the node pressure information, the node response coordinates and the drop height data of the drop from different heights are used as training data input values, the impact pressure is theoretically calculated, the theoretical calculation impact area is used as an output value, a multi-objective fast non-dominant sorting genetic algorithm model is trained, a database is established for predicting the jet area and the effective jet pressure mean value generated by the impact, prediction values are provided for water jet impact tests at different distances, wavelet threshold processing data in a real test process is checked, and the impact area and the impact pressure mean value in different areas are given.

The invention relates to the technical field of communication equipment, in particular to a communication base station which comprises a baseband processing unit, a radio frequency processing unit and an antenna feeder system which are installed on a stand column, the antenna feeder system is movably installed on the side portion of the stand column through a stretching component, and a movable frame of a stretching component body is installed on the side portion of the stand column in a sliding mode; the working angle and position of the antenna feeder system are adjusted by controlling the extension amplitude of the antenna feeder system on the side part of the stand column, so that the capability of resisting severe weather of the antenna equipment is improved; under the condition of hail weather, the antenna feeder system is erected, and the hail impact area is reduced; under the condition of storm weather, the antenna feeder system is folded towards the position close to the stand column, the extending distance of the antenna feeder system is shortened, the pressure borne by the connecting component is reduced, and the connecting component is prevented from being broken and damaged.

The invention discloses a dynamic evaluation system for impact toughness of a T-shaped elevator guide rail, and belongs to the technical field of elevator safety detection. The core of the system comprises an impact simulation device, a multi-dimensional sensing array and a dynamic analysis module. The impact simulation device drives a profiling electromagnetic impact head through an angle-adjustable impact arm to apply a controllable dynamic impact load to a web and / or a flange of the guide rail; the multi-dimensional sensing array is composed of a strain sensor cross grid array, a flange end acceleration sensor set and a laser displacement sensor which are arranged in an impact area, and dynamic strain field distribution, a vibration acceleration spectrum and three-dimensional deformation displacement data are synchronously collected. According to the method, three technical problems of separation of static testing and dynamic working conditions, single-point monitoring of hidden damage omission and damage evaluation and service life prediction splitting are solved, and multi-dimensional quantitative evaluation and preventive maintenance decision support of the impact toughness of the elevator guide rail are realized.

The invention discloses an artificial precipitation enhancement effect test method based on empowerment processing and natural filtering, and relates to the technical field of artificial influence weather, and the method comprises the following steps: determining an influence area of artificial precipitation enhancement operation, and selecting a comparison area; respectively carrying out dimension normalization on the test parameters of the influence area and the comparison area; calculating a weight coefficient of the corresponding test parameter according to the change rate difference quantity of the normalized test parameters of the influence area and the comparison area; sequentially selecting a set number of test parameters as test indexes according to the weight coefficients from large to small; calculating a variation difference coefficient of the test indexes of the influence area and the comparison area, and further calculating the correlation degree of the test indexes; and based on the weight coefficient, the correlation degree and the change rate difference quantity of the test index, the artificial precipitation enhancement effect is tested. According to the method, a more objective, accurate and comprehensive artificial precipitation effect test result is obtained, a new method basis is provided for artificial precipitation effect test, and the development of an artificial influence weather operation technology can be promoted.

The utility model discloses a buoyancy self-balancing type multi-air-chamber inflatable seat, which belongs to the technical field of inflatable seats, and comprises an inflatable cushion, one side of the inflatable cushion is provided with an inflatable tube, the bottom end of the inflatable cushion is provided with a buffer structure, the buffer structure comprises an air cushion, the top end of a groove rod is provided with a plurality of rectangular grooves, and the rectangular grooves are communicated with the inflatable tube. Two air cylinders are arranged on the outer surface of the air cushion, two air outlet holes are formed in the bottom end of the sliding rod, and arc-shaped pieces are fixedly connected to the two ends of the sliding rod correspondingly. By arranging the buffering structure, arranging the air cushion at the bottom end of the inflatable cushion and dividing the interior of the air cushion into two areas through a groove rod, when one side of the air cushion is subjected to water surface impact force, the air cushion is not prone to falling off; according to the inflatable seat cushion, the sliding rod is pushed by air to move to bring the air outlet hole into the area on the other side, so that the air in the area on the side, which is impacted, of the air cushion can be quickly transferred to the other side, the balance of the inflatable seat cushion is kept as far as possible, the inflatable seat cushion is prevented from turning on one side, and the use stability of the inflatable seat cushion is improved.

In order to solve the problems that in the prior art, calculation precision and efficiency are difficult to consider at the same time during supersonic jet machining, and detached shock waves cannot be accurately captured, the invention provides a finite element simulation method for the stagnation flexible constraint flow field characteristics of a jet impact area. The finite element simulation method comprises the steps that firstly, a geometric model of a jet area and an outer watershed is established, and preliminary solving is conducted; extracting jet flow axis pressure gradient characteristics to determine detached shock wave interval coordinates; then reconstructing a block geometric model comprising an upper jet flow region, a detached shock wave region, a stagnation region and an outer watershed according to the coordinates, and implementing differential local grid encryption on the shock wave region and the stagnation region; and finally, carrying out second iterative solution based on the Sutherland viscosity law to obtain final flow field distribution. According to the method, the thickness and the position of the shock wave layer are accurately captured while the number of the grids is controlled through the block encryption strategy, the contradiction between the calculation economy and the numerical precision under the transonic flow condition is solved, and the method is suitable for numerical simulation of the complex supersonic gas jet flow field containing the detached shock wave and the stagnation region.

The invention belongs to the field of wear-resistant elbow casting, and particularly relates to a lost foam casting method for a wear-resistant elbow. Comprising the steps that S11, target working condition parameters are obtained; step S12, based on the obtained target working condition parameters, calculating the thickness of an impact area of the wear-resistant elbow; s13, based on the impact thickness of the wear-resistant bent pipe, the impact area position of the wear-resistant bent pipe is calculated; and S14, the needed wear-resisting elbow pipe casting is manufactured based on the impact area position and the impact area thickness of the wear-resisting elbow pipe. In this way, the accurate position of the impact area and the thickness needed by the wear-resistant elbow are scientifically determined, and therefore materials and cost are saved.

This invention discloses a dam-break type wave-on test device and method, relating to the field of wave-on testing, and solves the problems of existing wave-on test devices being unable to achieve precise synchronous visualization of the flow field and failing to consider the deck wave load under the combined action of water and air. The invention includes a gate lifting system, a dam-break test water tank, a model attitude adjustment system, and a phenomenon observation system. The dam-break test water tank includes a water storage area, an impact area, and a baffle arrangement area. The water storage area stores test water, the impact area is used to place the test model for wave-on testing, and the baffle arrangement area is used to install sensors and place cables. The model attitude adjustment system is located below the impact area to adjust the model's attitude and control its lifting and lowering. The gate lifting system is located above the water storage area to control the gate's lifting and lowering. The phenomenon observation system records the wave-on test phenomena. Air is pumped into the water to simulate bubble breakage. This invention utilizes a high-speed camera to assist in analyzing the water movement path and simulates the deck wave load under the combined action of water and air by pumping air into the water.

Motor vehicle (1) with an adjustable roof (5) comprising a roof skin (13), a rollover protection element (21) extendable into a protective position (ZT), which in the protective position (ZT) protrudes beyond the roof skin (13) when the roof (5) is in the protective position (ZT), and which has a penetration element (25) at its upper end (24), wherein the roof skin (13) extends obliquely to an imaginary horizontal (HO) at least in an impact area (41) above the rollover protection element (21) at a first angle (α), wherein the penetration element (25) is arranged on the rollover protection element (21) at a second angle (γ) relative to the upper end (24) of the rollover protection element (21), characterized in that the rollover protection element (21) has as its upper end (24) a cross member (33) with a cross-sectional profile to which the penetration element (25) is attached, the cross-sectional profile of the traverse (33) is approximately semicircular with a circumferential wall (35), wherein the circumferential wall (35) has a flat section (36) which is spanned by a second section (37), and wherein the second section (37) adjacent to the upper end (24) has a flat mounting profile wall (38) to which the piercing element (25) is attached, wherein the mounting profile wall (38) runs at the first angle (α) to the imaginary horizontal (HO), the penetration element (25) is attached to the mounting profile wall (38) in such a way that it encloses the second angle (γ) with a central longitudinal axis (MA) of the rollover protection element (21), which coincides with an imaginary vertical (VE), and hits the roof skin (13) approximately perpendicularly in the impact area (41).

The invention relates to the technical field of ultrafine crushing, in particular to a crushing hammer head of an aggregate type impact mill and a crushing disc provided with the hammer head, and the crushing disc comprises a disc body and a plurality of hammer heads fixed on the disc body. The hammer head is an aggregate type impact mill crushing hammer head and comprises a body, a slope windward side and a windward vertical side which are sequentially connected are arranged in front of the body, the slope windward side is located in front of the windward vertical side, and the height of the windward vertical side is larger than that of the slope windward side; the upper part of the windward vertical surface forms a corner impact area. The rear surface of the body is an arc-shaped curved surface in smooth transition; and the position closer to the rear end of the body on the arc-shaped curved surface is lower. The hammer head can obviously reduce air in gas-solid two-phase flow participating in crushing collision in the using process, effectively reduces generation of vortexes, has the advantages of being high in crushing efficiency, long in service life, efficient, energy-saving and the like, and reduces energy consumption per ton of products of an impact mill.

The present application relates to a kind of passenger protection method and application device based on seat transverse safety belt, device includes safety belt left, right shoulder strap and right side chest band;After normal binding safety belt, safety belt right shoulder strap exerts a x negative force on human body, the tendency of human forward inclination is restrained, the human body movement posture is corrected, safety belt right side chest band exerts a y negative force on human body, the tendency of human lateral inclination is restrained, under the joint action of three safety belts, the passenger who occurs movement is movement posture, and secondary impact area adjustment, so that the passenger tends to the protection area designed.When non-normal angle impact occurs, located in safety belt right shoulder strap can provide sufficient restraint, change the final dumping destination of passenger to the protection area designed by vehicle.When normal angle side impact occurs, the safety belt under right side rib generates lateral restraint to passenger, ensure that before passenger inclines to the passenger space on the other side, central air bag is deployed, to provide flexible protection for passenger.

The application provides a launch vehicle separation body fall area automatic planning method, which comprises the following steps: determining an initial launch point, obtaining a relative position between a fall area center point of each stage separation body and the initial launch point, and obtaining a trajectory line of an arrow down point; taking a current calculated landing point of any stage separation body as a starting point, translating the fall area of the stage separation body, and identifying a safety element in the fall area of the stage by using geographic information technology. The application adopts the geographic information technology to establish a safety element information base, obtains the fall area information of each stage separation body through trajectory calculation, automatically identifies and counts the geographic information in the automatic tour of each stage fall area, compares and optimizes each flight fall area scheme by using a decision support technology, selects an optimal flight fall area scheme, and determines a suitable launch point, so that the fall area automatic planning of the separation body is completed under any launch point condition, and the taskless demand of the fall area is met.

The present invention discloses a close formation path planning method for aerial refueling, belonging to the technical field of aerial refueling path planning for unmanned aerial vehicles. Based on wind tunnel test data of the rendezvous phase and the formation-entering phase, the present invention obtains the key points of the receiving aircraft's path in the two phases of aerial refueling, defines the vortex negative impact area as an obstacle body, builds a three-dimensional obstacle model for path planning, and obtains a path planning map; based on the key points of the path and the set constraints, uses a key point heuristic algorithm to perform initial planning in the map; establishes a mathematical model of the fixed-wing unmanned aerial vehicle and analyzes its differential flatness characteristics; uses the differential flatness characteristics to establish a cost function for the path optimization process, and uses a flat output minimum mutation algorithm in combination with the constraints to optimize the path obtained by the initial planning, thereby obtaining the final aerial refueling path. While ensuring safety, the present invention takes into account the impact of vortices on the receiving aircraft and obtains a smooth and feasible path.

The utility model discloses an explosion-proof pressure relief plate for petrochemical industry, relates to the technical field of safety protection equipment for petrochemical industry, and aims to solve the technical problem that the pressure relief plate is easy to excessively deform and even crack due to single buffering mode and insufficient buffering force of the current explosion-proof pressure relief plate. The metal plate is arranged on the outer layer, one side face of the metal plate is in a corrugated shape, a pressure-resistant plate with the same shape as the corrugated surface is fixedly arranged on one side, located on the corrugated surface, of the metal plate, and a buffer plate is fixedly arranged between the opposite surfaces of the metal plate and the pressure-resistant plate. And external pressure impact can be effectively resisted. The pressure-resistant plate is connected with the metal plate, when the pressure-resistant plate is impacted, the corrugated structure can generate certain elastic deformation, so that a part of impact energy is absorbed and dissipated, the damping and buffering effects are achieved, and the pressure-resistant plate has the advantages that the impact area is increased, multiple buffering structures are added, and buffering protection is improved.

The present application relates to the technical field of universal joint, in particular to a dust cover and a universal joint. The dust cover comprises a connecting assembly, a protection assembly and a supporting assembly. The supporting assembly comprises a supporting ring, a reinforcing unit and a framework unit. The reinforcing unit comprises an inner ring rib and a first reinforcing rib. The connecting assembly, the supporting ring, the inner ring rib and the protection assembly are sequentially connected into a tubular shape. The inner peripheral wall of the connecting assembly is connected with the outer peripheral wall of the supporting ring. The inner peripheral wall of the supporting ring is connected with part of the outer peripheral wall of the inner ring rib. One end of the first reinforcing rib is connected with the outer peripheral wall of the inner ring rib, and the other end is connected with the connecting assembly. The side of the first reinforcing rib close to the protection assembly is connected with the supporting ring. The distance between two adjacent first reinforcing ribs close to the inner ring rib is greater than the distance between two adjacent first reinforcing ribs close to the protection assembly. Part of the area of the at least two adjacent first reinforcing ribs and part of the inner ring rib form an impact area. At least part of the framework unit is arranged in the supporting ring. Thus, the problem of insufficient strength of the dust cover is solved.

The present application relates to the technical field of superfine crushing, and particularly relates to a set material type impact mill crushing hammer head and a crushing disc provided with the hammer head, the crushing disc comprising a disc body and a plurality of hammer heads fixed on the disc body. The hammer head is a set material type impact mill crushing hammer head, comprising a body, a ramp windward surface and a windward vertical surface connected in sequence are arranged on the front face of the body, the ramp windward surface is located in front of the windward vertical surface, the height of the windward vertical surface is higher than that of the ramp windward surface; the upper part of the windward vertical surface forms an angular impact area. The rear face of the body is a smooth transition arc surface; the height of the arc surface is lower as it is closer to the rear end of the body. The hammer head can obviously reduce the air in the gas-solid two-phase flow to participate in the crushing collision, effectively reduce the generation of vortex, has the advantages of high crushing efficiency, long service life, high efficiency and energy saving, and reduces the energy consumption of the impact mill per ton of product.

The invention discloses an impact hydraulic generator for hydraulic engineering, and relates to the technical field of hydraulic generators. The device comprises a rack, a shell is arranged on the rack, a water wheel rotating cylinder is rotationally connected into the shell, a driving assembly is arranged in a sleeve shaft, an overturning assembly is arranged in the water wheel rotating cylinder, two sets of blade assemblies are symmetrically arranged on the outer circumferential face of the water wheel rotating cylinder, and each blade assembly comprises a water wheel blade. A plurality of telescopic assemblies are arranged in the water wheel rotating cylinder. When water flow accelerates, the driving assembly drives the two sets of blades to turn over oppositely through the turning assembly, and the impact area and the attack angle are reduced; and meanwhile, the telescopic assembly pushes the blades to retract inwards, the impact area is reduced, the hydraulic generator can change the impact area and the attack angle of the hydraulic turbine blades according to water flow of different flow speeds, the energy conversion effect is improved, and the problem that the overall energy conversion effect of an existing hydraulic turbine is low due to drastic change of the water flow speed is solved.

The utility model relates to a three-flow slab continuous casting tundish capable of reducing casting residues, and belongs to the technical field of continuous casting equipment in the metallurgical industry. According to the technical scheme, a retaining wall (4) is in a circular arc shape, the retaining wall (4) is arranged in a ladle shell (1), the ladle shell (1) is divided into an impact area (2) and a flow injection area (7) through the retaining wall (4), the inner wall (19) of the retaining wall (4) and the inner wall (19) of the impact area (2) are integrally poured components, a supporting rod (9) is arranged between the retaining wall (4) and the inner wall of the ladle shell (1), a flow guide hole (16) for molten steel to flow from the impact area (2) to the flow injection area (7) is formed in the retaining wall (4), and a flow stabilizer (3) is arranged in the impact area (2). And three tapping holes are formed in the flow injection area (7), a blocking dam is arranged among the tapping holes, and flow injection holes (18) are formed in the blocking dam. The tundish has the advantages that the impact force of steel flow in the impact area can be better relieved, less tundish casting residues are left, and the molten steel yield is increased.

The invention relates to the technical field of hydrogen storage protection, in particular to a high-safety impact-resistant hydrogen storage protection device which comprises a fixing frame installed on the outer side of a hydrogen storage tank, multiple sets of pneumatic pipes are connected into the fixing frame, one ends of the multiple sets of pneumatic pipes are connected with a first baffle, a second baffle and a third baffle, and the three sets of baffles are vertically arranged. The outer side of the air pressure pipe communicates with an air bag A. When the device is impacted, the device can automatically contract towards the rear end according to stress points, the situation that the protection plates cannot completely buffer the stress points when the device is impacted due to the fact that the stress points are concentrated is prevented, and therefore the multiple sets of protection plates can automatically contract according to the stress points, the buffering structure can be more accurately attached to the impact area, and the buffering effect is better. The buffer structure can be flexibly adjusted according to stress points at different positions, the protection capability of the device in various impact scenes is improved, and the protection effect is more stable.

The application discloses a water cushion pond structure for preventing impact on a side slope, which is provided with a horse path, water cushion pond side slopes, a water cushion pond bottom plate and an excavation impact area. A plurality of horse paths and a plurality of water cushion pond side slopes are alternately connected in sequence, and the water cushion pond bottom plate is located between the lowermost water cushion pond side slopes. The excavation impact area is formed at a specified and preset position of the horse path, the water cushion pond side slopes and the water cushion pond bottom plate, the excavation impact area is cut off from the horse path and the water cushion pond side slopes, and the bottom of the excavation impact area is connected with the water cushion pond bottom plate. The falling point area of the pick-up water tongue is located in the excavation impact area, and the excavation impact area is used for receiving the pick-up water tongue formed when the dam body surface hole picks up and discharges flood. The application can ensure that the water cushion pond side slopes and the horse path are not impacted while the engineering quantity is not greatly increased, thereby enhancing the structural stability of the whole water cushion pond and effectively increasing the energy dissipation rate of the pick-up water body.