3383results about "Barrages/weirs" patented technology

The invention relates to an intelligent regulation and control system for multi-phase conversion of water quality of a gate-controlled river reach, in particular to the field of water treatment, and realizes accurate dynamic perception of the multi-phase conversion process of the water quality of the gate-controlled river reach by constructing a high-fidelity digital twinborn body and fusing a real-time data assimilation technology; by means of a time-space diagram neural network agent model based on an attention mechanism, the system can predict a complex time-space pattern of pollutant concentration field and phase evolution under different regulation and control strategies in an ultra-fast manner; on the basis, a multi-agent reinforcement learning algorithm is adopted to automatically generate a globally optimal gate group coordinated regulation scheme, and multiple targets of water quality improvement, ecological protection, engineering operation and the like are effectively coordinated; and finally, a theoretical strategy is reliably converted into a physical action through rolling optimization and a closed-loop execution mechanism, and adaptive adjustment can be performed according to environmental feedback, so that the emergency response speed of sudden water pollution events, the scientificity of regulation and control decision and the intelligent level of water quality management of the whole river network are comprehensively improved.

The invention relates to the technical field of reservoir flood control dispatching, and discloses a dam hydraulic opening and closing control method, device and equipment and a storage medium. The method comprises the steps that multi-source hydrological data, weather forecast information and unit operation states of a current reservoir are collected; inputting the multi-source hydrological data and the weather forecast information into a preset hydrological prediction model, and outputting a hydrological prediction result; based on the hydrological prediction result and the real-time reservoir area water level and the unit operation state in the multi-source hydrological data, a gate opening control instruction is generated through a reservoir optimization scheduling model; and a hydraulic opening and closing system is adjusted according to the gate opening control instruction, and the current reservoir flood discharge gate opening is controlled. According to the method, data such as upstream incoming water, reservoir area water level and water consumption are utilized, weather forecast information is combined, a hydrological prediction model is constructed, a reservoir dispatching scheme is optimized according to a hydrological model prediction result, the reservoir area water level and unit operation conditions, and on the premise that flood prevention safety is guaranteed, reservoir dispatching is optimized, the reservoir area water level is automatically adjusted, and power generation benefits are improved.

A gate linkage control method and device and a parallel water supply and power generation system are provided. The method comprises the following steps of: acquiring current gate opening degree information of the parallel water supply and power generation system and a current water level of a third trunk canal, the current gate opening degree information comprising current first gate opening degree information and current second gate opening degree information; determining a target gate linkage control strategy of the parallel water supply and power generation system according to the current gate opening degree information of the parallel water supply and power generation system and the current water level of the third trunk canal; and controlling a gate opening degree of a target gate according to the target gate linkage control strategy of the parallel water supply and power generation system.

The invention provides a flow-induced vibration analysis method for a large top-exposed plane gate with high submerging water depth. The flow-induced vibration analysis method comprises the steps that a hydraulic parameter set and a gate structure parameter set corresponding to an ultrahigh submerging ratio submerging outflow working condition are obtained; constructing a three-dimensional fluid-structure interaction numerical model comprising a gate solid domain and a water flow fluid domain based on the hydraulic parameter set and the gate structure parameter set; calculating a pressure pulsation load component and a vortex-induced vibration load component distributed on the surface of the gate through the three-dimensional fluid-solid coupling numerical model; inputting the pressure pulsation load component and the vortex-induced vibration load component into a gate structure dynamics solver for transient response analysis, and outputting a gate vibration displacement distribution map and a key component dynamic stress data set; and generating a flow-induced vibration safety performance evaluation conclusion according to the vibration displacement distribution map and the key component dynamic stress data set. The operation reliability and safety of the large top-exposed plane gate under complex working conditions can be improved.

The invention discloses an auxiliary braking device for a vertical lifting type gate, and belongs to the technical field of vertical lifting type gates. The vertical lifting type gate is arranged in the gate groove in a lifting mode, and the auxiliary braking device comprises a hydraulic separating type crane, a hydraulic separating type crane and a hydraulic separating type crane, and the hydraulic separating type crane is configured to be capable of applying transverse pressure to the vertical lifting type gate so that the vertical lifting type gate can abut against and be fixed to the gate groove; the electric pump is connected to the liquid inlet of the hydraulic separation type crane and is configured to supply hydraulic fluid to the liquid inlet of the hydraulic separation type crane by hydraulic pressure; the regulating valve is arranged on a pipeline for connecting a liquid inlet of the hydraulic separating crane and an outlet of the electric pump; the auxiliary braking device is configured to adjust the pressure level of hydraulic fluid in the hydraulic separating type crane by adjusting the opening degree of the adjusting valve so as to adjust the transverse pressure.

The utility model provides a distribution type water gate structure which comprises a plurality of lifting door water gate units arranged under the water surface side by side in the width direction of a river channel, each lifting door water gate unit comprises a water gate base, a buoyancy tank steel gate and inflation and exhaust equipment, a gate bin is arranged on the water gate base, and breast walls in the length direction are arranged on the front side and the rear side of the gate bin; the buoyancy tank steel gate is installed in the gate bin and comprises a gate body and a gate top cap, the gate body is provided with an inner cavity, and a water inlet and outlet hole is formed in the lower portion of the gate body. The inflation and exhaust equipment communicates with an inner cavity of the gate body through an inflation and exhaust hose to adjust the water volume of the inner cavity of the gate body and control lifting of the gate. When no tide or water is blocked, the gate main body sinks until the gate top cap is located at the top end of the breast wall of the gate base; when water or tide needs to be blocked, the buoyancy tank steel gate is inflated and pressurized through the inflation and deflation equipment, the gate gradually ascends to the preset height under the action of buoyancy, and then the tide blocking function is achieved.

The present invention discloses a double-layer overpass fishway structure, belonging to the field of fishway design in water conservancy projects. The double-layer overpass design enables an upper overflow and a lower submerged flow. The water flow structure within the pool chamber is diverse and can adapt to different water depths, creating favorable hydraulic conditions for fish with different preferences. The double-layer overpass fishway comprises: a trumpet-shaped inlet section, a hump-shaped weir transition section, a double-layer overpass pool section (including a lower disc-shaped channel section and an upper overflow section), and a resting pool section. The hump weir section divides the pool chamber into an upper overflow area and a lower submerged outflow area. The formation of the upper overflow area draws jumping fish into the upper overflow weir section, while the lower submerged flow area is used to attract bottom-dwelling fish and allow them to smoothly swim upstream through the disc-shaped channel section. The arrangement of the resting pool section creates a low-flow zone to allow fish to recover their strength, thereby allowing them to successfully complete their upstream migration and ensure the stability of the river ecosystem.

The invention relates to the technical field of hydraulic engineering control, and discloses a hoist opening degree stroke data processing method and system.The hoist opening degree stroke data processing method comprises the steps that in the valve closing process, two sets of real-time data of motor loads and valve displacement are continuously obtained; when continuous lifting exceeding background noise appears in the motor load data for the first time, marking the moment as an initial contact point; starting from the initial contact point, recording two groups of real-time data of motor load and valve displacement at a preset sampling frequency, and calculating a resistance change rate = delta load / delta displacement; the resistance change rate and a preset collision threshold value are compared to control opening and closing, motor load and valve displacement data are monitored in real time, and the resistance change rate is calculated, so that in the valve closing process, the contact point of the valve and a water seal or a foreign matter is accurately recognized, flexible compression and rigid collision are effectively distinguished according to the change trend of the resistance change rate, and the safety of the valve is improved. Misjudgment is avoided, and the safety and reliability of operation of the hoist are improved.

According to the integrated gate position and limit acquisition method and device, linear motion of the gate is converted into rotation of the gears through the accurate transmission ratio between the gears, then tiny displacement changes are amplified or reduced, the sensitivity and accuracy of gate position monitoring are improved, and the problem that a traditional device is not high in precision is solved. The position of the gate is adjusted according to the height and actual requirements of the gate, a traditional gate level meter and a limiting switch are combined to form an integrated device, the transformation ratio gear, the PLC and the resistance strain type linear displacement sensor work cooperatively, all-directional and high-precision monitoring and control over the position of the gate are achieved, and the safety of the gate is improved. The integrated design not only reduces the size and complexity of the device, but also improves the stability and reliability of the device by optimizing the connection and communication among the parts, and in the aspect of installation, the integrated design enables the overall structure of the device to be more compact, and reduces the installation steps and required space.

The invention discloses a cascade power station connectivity fish monitoring method and system, and the method comprises the steps: collecting the water flow speed, water temperature, dissolved oxygen and other hydrological parameters of a water area cross section, the fish activity frequency data, the gate dam opening and closing state, and the pump set operation parameters through a sensing assembly; dividing a potential migration area; abstracting a water area node as a graph theory vertex, abstracting a connected state as an edge weight, and constructing a model to calculate node connectivity; according to the pump set parameters and connectivity indexes, calculating water area node connectivity probabilities under different pump set operation conditions; the number, body type distribution and motion trail of fishes are obtained through an image and acoustic module and are associated and matched with a migration area and a connectivity probability; and integrating multi-link data to generate a connectivity and fish activity relevance monitoring result. Functional units are arranged in all links of the corresponding method of the system, all the units operate cooperatively, cascade power station water area connectivity and fish activity association monitoring precision are improved, and data support is provided for drainage basin ecological protection.

The invention provides a winching type hoist and water level linkage control method and system, a winching type hoist device is adopted, the winching type hoist device comprises a winching mechanism, a braking system, a counterweight system and a gate groove design, a built motor self-adaptive neural network control model is adopted, the braking system is used for controlling the motor self-adaptive neural network through the built motor self-adaptive neural network control model, and the counterweight system is used for controlling the motor self-adaptive neural network control model. Through the motor adaptive neural network control model, motor operation parameters can be adjusted according to real-time data, adaptive adjustment is carried out, a speed regulator fluid mechanics model is constructed in a counterweight system, and gate closing time is deduced according to an output result of the motor adaptive neural network control model. Factors of braking effect of spring pressure, magnetic force generated by electrification of an electromagnet, self weight of the gate, buoyancy and flow velocity of water and friction force between the gate and a gate groove are fully considered, and adjustment of closing time is achieved. Automatic control over accident early warning and gate closing is achieved, controllability and accuracy of closing time are achieved, and the closing time is shortened.

The invention discloses an anti-seepage repairing device for a silt dam and a leaking stoppage method, and relates to the field of seepage repairing devices. An anti-seepage repair device for a silt dam comprises repair liquid grouting equipment and a hydraulic elevator, and further comprises a grouting repair pipe, a hydraulic control system and a hydraulic control system, the grouting repair pipe is installed at the lifting end of the hydraulic elevator, and the liquid inlet end of the grouting repair pipe is communicated with the liquid outlet end of the repair liquid grouting equipment; the first nozzle is arranged on the grouting repair pipe and used for injecting liquid into the crack; the mounting ring is fixedly connected to the grouting repair pipe; the first filling air bags are fixedly connected to the grouting repair pipe at equal intervals; the crack is cleaned in a sectional mode, residual sludge in the crack can be effectively cleaned, then during follow-up grouting repair, the influence of the residual sludge on repair can be effectively reduced, the effect and quality of immediate repair are effectively improved, and use of seepage prevention repair of the silt dam is facilitated.

The invention relates to the field of hydraulic engineering facilities, in particular to a fishway (1), a sluice and a fishway arrangement method.The fishway comprises a plurality of turn-back sections (11) which are connected in sequence and at least partially arranged on a ramp section of a stilling pool (3) at the downstream of the sluice, and the gradient of each turn-back section is smaller than that of the ramp section of the stilling pool; the bottom end of the fish migration channel is provided with a fishway inlet (13), and the top end of the fish migration channel is provided with a fishway outlet (14) communicated with the lock chamber of the water gate. And the fishes at the downstream are attracted by the water flow which flows out of the fishway and is suitable for migration, so that the fishes enter the fishway and upstream to enter the lock chamber at the upstream of the stilling pool. Due to the fact that the fishway extends into the gate chamber of the water gate in a turning-back mode, the height difference of the stilling pool is relieved in a segmented climbing mode, the water flow speed in the fishway is lower, and therefore the fishway is suitable for fish migration, and fishes can pass through the stilling pool and the water gate through the fishway.

The utility model discloses a guide device for a steel gate, which belongs to the field of gates and comprises two gate grooves, two connecting plates are fixedly mounted at the upper ends and the lower ends of the two gate grooves, a gate structure is mounted between the two gate grooves in an up-down sliding manner, and guide components are fixedly mounted on the inner walls of the two gate grooves. The gate structure is arranged in the gate groove and slidably arranged on the two guide assemblies in a sleeving mode, each guide assembly is composed of a base rod and a plurality of resistance reduction supporting rollers, the resistance reduction supporting rollers are rotationally installed on the base rod, two oil conveying sponges are symmetrically installed in the base rod, and the resistance reduction supporting rollers make contact with the oil conveying sponges. According to the steel gate, the guide assembly can provide support for the gate structure, meanwhile, the friction force of the gate structure during opening and closing can be small, opening and closing of the gate structure are easy, the opening and closing efficiency of the gate structure is improved, finally, abrasion between the gate structure and the gate groove can be reduced, and the service life of the steel gate is prolonged.

The invention relates to the technical field of water conservancy gate control, and discloses a water conservancy gate control system based on multi-source information fusion, and the system comprises the steps: driving a gate to complete the reciprocating motion of opening and closing, and carrying out the verification of an obtained power sequence based on physical symmetry, so as to establish a reference passing the internal quality verification; then, in actual operation, real-time power vibration is compared with the reference to diagnose the real-time operation state of the gate, by introducing a reference self-checking mechanism, the fragile mode that a traditional control system depends on initial data credible assumption is avoided, control logic is evolved into active process auditing from passive result confirmation, and the real-time operation state of the gate is diagnosed. According to the invention, the system can diagnose the health degree of the operation process of the system, thereby guaranteeing the purity of a diagnosis reference, carrying out the real-time early warning of potential operation risks, and achieving the improvement of the long-term operation reliability of hydraulic facilities.

A gate linkage control method and device and a series water supply and power generation system are provided. The method comprises the following steps of: acquiring a water demand and current water level information of the series water supply and power generation system, the current water level information at least comprising current riverway water level information and current water diversion trunk canal water level information; determining a gate opening degree control strategy of a first water diversion gate and a second water diversion gate according to the water demand and the current water level information of the series water supply and power generation system; and carrying out linkage control on the first water diversion gate and the second water diversion gate according to the gate opening degree control strategy.

The invention discloses a QMIX framework-based sluice group scheduling method. The method comprises the following steps of: constructing a simulation basin environment by utilizing a historical environment data set; constructing a multi-agent reinforcement learning method for cooperative sluices in the watershed based on a QMIX framework to realize dynamic cooperation and global optimization of the sluices in the watershed; designing a reinforcement learning single-agent DQN model of a single sluice, and supporting autonomous perception and decision of the single sluice; designing a multi-agent global reward function and a single-agent independent reward function, and balancing a group collaboration target and individual local requirements through a layered reward mechanism; a mixed experience playback mechanism based on high-priority experience similarity matching is introduced, and the problems that a traditional experience playback method is low in sample utilization efficiency and weak in key event generalization ability in a complex dynamic environment are solved. According to the method, the water gate intelligent agent can fully explore the scheduling action space in the compliance framework, and the robustness and the control accuracy of the water gate scheduling strategy under the QMIX framework are improved.

The utility model discloses a riverway water conservancy ecological slope protection structure, and relates to the technical field of water conservancy ecological slope protection, the riverway water conservancy ecological slope protection structure comprises an ecological slope protection main body frame, one side of the ecological slope protection main body frame is internally provided with a water flow buffer cabin, and one side of the water flow buffer cabin is internally and movably provided with a buffer plate. A water body internal protection disc is directly installed under a water body, grasping and consolidating installation is achieved through water body internal protection consolidating cones on the surface of the bottom end of the water body internal protection disc, an ecological slope protection main body frame is located on the edge of the water surface, waves of the water body can rush into a water flow buffering cabin, and a certain force buffering effect is achieved through a buffering plate; the water body can be discharged in time through a drainage groove, and the problems that the water body is accumulated inside, the ecological slope protection main body frame is corroded, and the service life of the ecological slope protection main body frame is affected are solved; and the slope protection consolidation cone on the surface of the bottom end of the slope protection disc is used for further consolidation operation on the slope.

The utility model relates to the field of water conservancy equipment, and discloses intelligent icing protection equipment for a water conservancy gate, the intelligent icing protection equipment comprises a water conservancy gate frame, a gate plate is arranged in the water conservancy gate frame, two limiting grooves are symmetrically formed in the inner side wall of the water conservancy gate frame, and the side of the gate plate extends into the limiting grooves; an installation plate is fixedly installed on one side of the flashboard, an electric heating piece is started to heat the flashboard, the flashboard is prevented from being frozen to the maximum degree, and if the external temperature continuously drops and the front side of the flashboard is still frozen, an electric push rod will push an ice breaking base and an ice breaking rod to move downwards; according to the device, the intelligent anti-icing effect of the flashboard can be achieved, ice blocks formed in front of the flashboard can be broken through vertical movement of the ice breaking base and the ice breaking rod, and stable operation and normal function exertion of water conservancy facilities in the low-temperature environment are guaranteed.

Disclosed is a method for regulating confluence of tributaries with a large drop difference and a large angle into a trunk canal. The method includes: banking up a reservoir at an upstream end of a tributary river, and widening a water surface, such that uniform distribution of water flows is completed; then conducting scouring and energy dissipation to reduce a flow velocity and kinetic energy of the water flows; then conducting flow-slowing sedimentation, such that sediment is deposited on one side of the tributary river connected to a downstream side of a trunk stream; and then conducting flow diversion at one side of the tributary river connected to an upstream side of the trunk stream, such that an included angle of confluence of tributary river water into the trunk stream is reduced.

The invention relates to a trunnion device adapting to the running posture of a floating body gate, the trunnion device is used for connecting a lock wall and the floating body gate, the trunnion device comprises a fixed support, a connecting mechanism and a movable support, the fixed support is fixedly connected with the lock wall, the movable support is fixedly connected with the floating body gate, and the connecting mechanism is fixedly connected with the fixed support. The fixed support is hinged to the movable support through a connecting mechanism. The connecting mechanism comprises a vertical shaft, a horizontal shaft, a knuckle bearing and a sliding bearing, a bearing seat is fixedly arranged at one end of the horizontal shaft, the knuckle bearing is arranged in the bearing seat of the horizontal shaft, the knuckle bearing is arranged on the vertical shaft in a sleeving mode, an outer ring of the knuckle bearing is in interference fit with the bearing seat, and the sliding bearing is arranged on the bearing seat. An inner ring of the knuckle bearing is in clearance fit with the vertical shaft, the fixed support is detachably and fixedly connected with the vertical shaft, a mounting hole is formed in the movable support, the sliding bearing is arranged at the end, away from the bearing seat, of the horizontal shaft in a sleeving mode, and the sliding bearing is detachably mounted between the horizontal shaft and the mounting hole. An outer ring of the sliding bearing is in interference fit with the mounting hole, and an inner ring of the sliding bearing is in transition fit with the horizontal shaft.

The invention relates to the technical field of data processing, and discloses a hydropower station fish gathering system inlet flow field adaptability optimization method and system. The method comprises the following steps: grading target fishes according to swimming speed and body length, setting a flow velocity adaptation threshold value, monitoring a flow field through an acoustic Doppler current meter, fusing data by using a Kalman filtering algorithm, calculating a fish rheotaxis index, and carrying out matching analysis to evaluate the adaptability of the flow field, according to the evaluation result, the flow guide pier and the microbubble curtain are controlled to conduct multi-stage linkage regulation and control, and a fuzzy PID control algorithm is adopted to achieve self-adaptive flow field control with the fish hydrotaxis index as a feedback signal. The problem that flow field optimization lacks fish behavior response feedback and multi-device coordination control in the prior art is solved, and the biological adaptability and the regulation and control precision of the inlet flow field of the fish gathering system are improved.

The utility model relates to the technical field of dam body reinforcing and reinforcing structures, in particular to a roller compacted concrete dam body reinforcing and reinforcing structure which comprises a roller compacted concrete dam body, vertical reinforcing plates, clamping plates, transverse connecting mechanisms and adjusting mechanisms, the vertical reinforcing plates are fixed to the outer wall of the roller compacted concrete dam body at equal intervals, and the clamping plates are fixed to the outer wall of the roller compacted concrete dam body; the transverse connecting mechanisms are arranged between every two adjacent vertical reinforcing plates, every two adjacent clamping plates can be in butt joint rapidly through the arrangement of the transverse connecting mechanisms, and meanwhile the linkage gears can be in butt joint rapidly under the limiting effect of the toothed plates through the arrangement of the adjusting mechanisms. When the reinforcing and reinforcing structure is assembled, the transverse connecting rods can be driven to rotate quickly, then the telescopic rods are driven to be in threaded linkage in the screw holes, the distance between every two adjacent telescopic rods can be quickly adjusted, the clamping plates can be quickly tensioned and loosened, and then the whole reinforcing and reinforcing structure can be quickly disassembled and assembled.

The invention provides a dam filler compaction quality continuous detection method based on compaction vibration asymmetry, and the method comprises the steps: taking a vibration period as a unit, carrying out the segmentation and extraction of a filtered acceleration signal, and obtaining an acceleration signal of each vibration period, determining an acceleration signal point set A1 of the vibrating wheel above the balance position and an acceleration signal point set B1 of the vibrating wheel below the balance position; overturning the acceleration signal point set B1 to a positive value along the t axis, and translating to obtain an acceleration signal point set B2; and respectively fitting the acceleration signal point set A2 and the acceleration signal point set B2 by adopting a sine function, and calculating to obtain a compaction vibration asymmetry index CVAI. The method directly performs time domain analysis on the acceleration, has the advantages of high precision and simple equipment requirements, can effectively guarantee the dam filling quality and improve the dam filling efficiency, and can also be used for earth and stone filling engineering construction of roads, railways, airports and the like.

A Taiji fishway structure includes fishway pool chamber units arranged sequentially along a water flow direction, each fishway pool chamber unit includes an curved side wall, an curved deflector, and a first longitudinal side wall, a fishway vertical partition plate, and a second longitudinal side wall provided on the same side of the fishway. A head end of the curved deflector of the i-th fishway pool chamber unit connects to a head end of the curved side wall in the (i+1)th fishway pool chamber unit, and forms a fish passage vertical slot that matches target fish body size with an end of the fishway vertical partition plate in the (i+1)th fishway pool chamber unit, and water flow of the i-th fishway pool chamber unit is ejected toward the curved side wall in the (i+1)th fishway pool chamber unit through the fish passage vertical slot.

The invention provides a mounting and positioning device for a gate embedded part, belongs to the technical field of mounting and positioning of gate embedded parts, and can at least partially solve the problems that existing civil engineering construction errors exist, joint bars often have large deviation in the plane position and direction, and adjusting plates cannot be reliably connected or still have large centering errors after being connected. The device comprises an adjusting base, the adjusting base is provided with a stud, a first hollow sleeve, a second hollow sleeve and a level bubble, and a stud ball head is matched with a slotting structure, so that large deviation generated by a first-stage joint bar in civil construction can be effectively compensated; the design that the ball head is matched with the open groove is adopted, so that the stud can rotate at multiple angles in the installation process, and enough freedom degree is provided for fine adjustment; through cooperation of the level bubble and the laser centering device, accurate adjustment in the horizontal direction and the vertical direction can be achieved.

The submerged drain valve system comprises a piston valve, a waste discharge bent pipe arranged at an outlet of the piston valve and a stilling pool arranged at an outlet of the waste discharge bent pipe, a valve fixing seat is arranged outside an opening of the stilling pool, the piston valve is arranged on the valve fixing seat, the waste discharge bent pipe is L-shaped, an outlet of the waste discharge bent pipe faces downwards, and a pipe fixing seat is arranged at the opening of the stilling pool. The pipe fixing base is connected to the corner of the waste discharge elbow, an outlet of the waste discharge elbow downwards faces the center of the bottom of the stilling pool, an energy dissipation pier is arranged on the side face of the stilling pool and extends towards the center of the stilling pool, and the outlet of the waste discharge elbow extends to the position below the tip end of the energy dissipation pier. The piston valve arranged outside the stilling pool is matched with the stilling pool to achieve the energy dissipation effect, the blocking effect is avoided, the phenomenon that the valve body is damaged due to the fact that water flow impacts the valve body is avoided, and maintenance and replacement are convenient.

The invention relates to a high-adhesiveness composite material for a rubber dam and a preparation method of the high-adhesiveness composite material, and relates to the technical field of rubber dams, the high-adhesiveness composite material for the rubber dam comprises an outer weather-proof protective layer, a middle reinforcing layer and an inner self-repairing layer, the weather-resistant protective layer is prepared from 90 to 110 parts of highly saturated nitrile rubber, 23 to 28 parts of carbon black N550, 3 to 8 parts of nano TiO2, 1 to 3 parts of antioxidant 1010 and 2 to 3 parts of dicumyl peroxide, and the reinforcing layer is prepared from 60 to 80 parts of ethylene propylene diene monomer, 25 to 35 parts of styrene butadiene rubber, 13 to 15 parts of nylon fiber, 10 to 12 parts of aramid fiber, 12 to 15 parts of carbon black, 0.5 to 1.5 parts of graphene, 1 to 2 parts of sulfur and 0.5 to 1.5 parts of accelerant CZ. The self-repairing layer comprises 90 to 100 parts of silicone rubber, 5 to 10 parts of nano SiO2, 5 to 8 parts of a self-repairing agent and 0.1 to 0.3 part of a dispersing agent. The high-adhesiveness composite material for the rubber dam disclosed by the invention has relatively good adhesiveness, and can timely and automatically repair micro cracks and prevent further expansion of the cracks.

The utility model relates to a self-heating check gate steel gate based on combination of solar energy and an electrothermal film, which comprises a gate body, a groove is arranged on the upstream face of the gate body, a flexible electrothermal film is laid in the groove, an electric control cavity is arranged on the gate body above the groove, and the flexible electrothermal film is arranged in the electric control cavity. A cover body is arranged at the top of the electric control cavity, a solar panel is arranged on the cover body, a rubber sealing plate is arranged outside the flexible electrothermal film, a fixing edge is formed on the edge of the rubber sealing plate, the rubber sealing plate is fixed on the gate body outside the groove through a plurality of connecting pieces, and an embedded convex part matched with the groove is arranged on one side of the rubber sealing plate; an energy storage battery and a controller are arranged in the electric control cavity, an on-off switch connected with the controller is arranged between the energy storage battery and the flexible electrothermal film, and a temperature sensor connected with the controller is arranged on the gate body. According to the self-heating steel gate of the check gate, the problems of difficult opening and closing, gate deformation and the like caused by icing and freezing of a gate in a cold region can be solved; the characteristics of high efficiency, energy conservation, stable operation and the like are realized.