28results about How to "Maintain security" patented technology

The utility model discloses a wallboard assembly structure and assembled house relates to the related technical field of decorating wallboard, a wallboard assembly structure, including wallboard, the periphery of wallboard is connected with support frame, and the side of support frame is fixedly connected with crosspiece, and the sliding connection of crosspiece has outer plate, and outer plate and support frame are fixedly connected through bolt, and bolt penetrates support frame and embeds outer plate, and the side of support frame away from crosspiece is connected with inner plate, and inner plate covers bolt, the utility model discloses through the " sliding - locking " installation of outer plate, need not repeatedly start nail, and staff can replace fast, and the repeated use rate of board is high, the bolt head is completely screened by inner plate, and the hidden danger of exposed sharp edge and corrosion is eliminated, and the appearance is neat, and the maintenance is safe, and the wallboard assembly structure three -dimensional buckle stacks, and the floor board modularization plug -in, and the whole house builds without welding, and two people can complete, and satisfy temporary building, mute office, and the high -frequency change dress scene of exhibition.

The utility model relates to a kind of steam treatment device and electric water heater, belong to water heater field, steam treatment device includes: water storage tank body, water storage tank body is equipped with water storage cavity, water storage tank body is equipped with the water tank water replenishing port being communicated with water storage cavity;Steam treatment component, steam treatment component is set on water storage tank body, steam treatment component is equipped with condensing space, condensing space is communicated with water storage cavity, steam treatment component is equipped with the first output port being communicated with condensing space;Backflow structure, backflow structure is connected with steam treatment component and water storage tank body respectively, backflow structure is communicated with the first output port, backflow structure is communicated with the water tank water replenishing port.This application discloses steam treatment device can effectively liquefy the steam generated by water storage cavity by the condensing space of steam treatment component setting, liquid water after condensation is re-delivered to the water tank water replenishing port by the first output port of backflow structure, can avoid the waste of water resources caused by steam direct discharge, realize the recycling of water resources.

This utility model discloses a multi-dimensional composite fire detector, belonging to the field of fire detectors. It includes a front shell with a battery slot containing a battery, and a battery cover covering the battery. The multi-dimensional composite fire detector of this utility model, through its flame PCB and control board, allows for assembly by first installing a bracket onto a rear shell, causing magnets one and two to attract each other, and then installing the front shell into the rear shell to complete the installation. When the fire detector detects smoke reaching a predetermined threshold, an alarm sounds. The flame PCB enables timely detection of flame information, enhancing the safety performance of the fire detector. This fire detector effectively distinguishes between fire smoke and facilitates cleaning of dust covers, and enables multi-dimensional cross-verification in the early stages of a fire.

This invention relates to a low-energy pipeline inspection robot for detecting defects on the inner wall surface of pipelines, comprising a pre-screening section, an inspection section, and a battery section; these three are connected sequentially via universal joints. The pre-screening section includes a drive unit, a pre-screening device, and a pre-screening section cylinder. The drive unit includes a front drive cup and a rear drive cup mounted and fixed on the pre-screening section cylinder. The pre-screening device is mounted outside the pre-screening section cylinder between the front and rear drive cups and includes a detection wheel device, a transmission device, and a receiving device. When the detection wheel is in contact with the normal inner wall surface of the pipeline, the detection element is in a normally open state, and the microswitch of the receiving device is in a normally closed state. When the detection wheel contacts a depression or corroded area on the inner wall of the pipeline, the corresponding detection wheel moves radially outward, and through a corresponding lever-type transmission assembly, the microswitch of the receiving device is opened, and the detection element enters a closed state, thus realizing the detection of defects on the inner wall of the pipeline. This invention achieves the goal of reducing energy consumption by predicting and screening defects.

A vehicle refrigeration control method and apparatus, a device, a medium and a program product. A temperature and a change rate of the temperature of a battery in a target vehicle are monitored in real time; then a refrigeration requirement level of the battery is determined according to the temperature and the change rate; a refrigeration mode to be entered is determined according to a current refrigeration requirement level of the battery, when it is detected that a passenger compartment and the battery of the target vehicle both have refrigeration requirements at the same time; and control instructions of respective target control objects are determined according to the refrigeration mode, the refrigeration mode includes: a single-mode phase and a dual-mode phase, the single-mode phase is used for refrigerating the passenger compartment or the battery alone, the dual-mode phase is used for simultaneously refrigerating the passenger compartment and the battery, and the single-mode phase is set to be prior to the dual-mode phase. The technical problem of how to allocate and control the refrigeration capacity of a new energy vehicle is solved, thus achieving the technical effect of flexibly allocating the total refrigeration performance of the vehicle under the premise of ensuring the comfort of the passenger compartment first, to guarantee the refrigeration of the battery effectively.

The utility model discloses an explosion-proof housing for fixedly installing a pump suction type phenol gas detector, which comprises an installing seat, the installing seat is provided with an explosion-proof housing, the explosion-proof housing is internally provided with a pump suction type detector, the explosion-proof housing is provided with a plurality of chambers, the chambers are internally provided with air bags, the air bags are internally provided with carbon dioxide solution, and the carbon dioxide solution is filled with a carbon dioxide solution. A movable plate is arranged on the side, facing the pumping type detector, of the air bag, the movable plate is connected to the inner wall of the anti-explosion shell through a movable assembly, and a blasting assembly is arranged on the side, facing the air bag, of the movable plate. When the pump suction type phenol gas detector breaks down and internal phenol gas is burnt, the detector and the phenol gas which are burnt can be extinguished in time, so that the possibility that the detector further explodes can be avoided, a series of reactions are isolated in the explosion-proof shell, and the service life of the explosion-proof shell is prolonged. The surrounding working environment and working personnel can be protected, and the safety and the explosion-proof effect are greatly improved.

This invention belongs to the field of microbial control technology, specifically relating to a biocontrol bacterium for soybean root rot, a microbial agent, its preparation method, and its application, which can improve soybean yield and oil content. The biocontrol bacterium is *Alcaligenes faecalis* (Factophytes). Alcaligenes faecalis A new strain, named GY16, was deposited at the China Center for Type Culture Collection (CCTCC) on November 12, 2025, with accession number CCTCC M 20252536. This alkali-producing bacterium, GY16, exhibits a specific affinity for soybean, enabling it to colonize soybean roots and effectively control soybean root rot. GY16 also promotes soybean plant growth, increases soybean yield, and improves seed oil content. Inoculants prepared using GY16 can replace pesticides, offering a green, environmentally friendly, and pollution-free alternative that positively contributes to building a sustainable farmland ecosystem.

The application discloses a pipe force valve with an anti-seismic protection structure, which comprises a valve body, a valve plate body, a valve rod body, a top rod shaft sleeve and a diaphragm body, the valve rod body is connected through the inside of the valve body, one side of the valve rod body is fixedly connected with the valve plate body, the upper end of the valve body is fixedly connected with the top rod shaft sleeve, and the inside of the top rod shaft sleeve is fixedly connected with the diaphragm body. The pipe force valve with the anti-seismic protection structure, when the pipe force valve body is impacted by the outside, the shell is extruded to one side of the valve body, the telescopic rod starts to contract, and the extrusion buffer air bag is extruded, at this time, the buffer air bag is buffered, when the shell moves inward, the buffer spring is compressed synchronously under the action force, and the impact force is secondarily buffered, so that the pipe force valve is less likely to be damaged under the external impact force, and the possibility of affecting the normal work of the valve is reduced.

The utility model discloses a kind of mute door groups in the technical field of acoustics engineering, including door frame, the door frame inside is connected with door panel by hinged installation, first lock tongue accommodating slot is opened in the right edge of the door panel inside, the position of the door frame corresponding to door panel first lock tongue accommodating slot is equipped with second lock tongue accommodating slot in its and the inside surface of door panel bonding;The door panel inside is equipped with a transmission groove with specific bending line, by setting transmission groove, transmission ball and other structures between door frame and door panel and reasonable layout, reach accurate stable locking purpose.Compared with traditional mechanical lock, avoid rebound sound, do not destroy quiet atmosphere, compared with magnetic attraction lock, not affected by environmental humidity and frequent opening and closing, not demagnetization, guarantee door lock suction force and security performance.When door panel is closed, trigger slider drives lock tongue to insert into slot through transmission ball, reset spring helps reset, make locking reliable, convenient operation, improve door group safety, durability and practicality.

This utility model discloses a multi-functional traveling crane system for the inspection and maintenance of the FAST ring beam, comprising: a support frame; an elastic wheel set located at the bottom of the support frame to adapt to the uneven surface of the ring beam track; a differential wheel set, including an inner diameter drive wheel and an outer diameter drive wheel, respectively matching the inner diameter track and the outer diameter track of the ring beam to achieve differential travel between the inner and outer diameters; guide wheel assemblies symmetrically arranged on both sides of the base frame to constrain the trolley to move radially along the track and prevent the traveling wheels from detaching from the ring beam track; an anti-rollover assembly, including a robotic arm and roller assembly, to prevent the trolley from tipping over; a pneumatic drive system, including a diesel air compressor, a low-speed pneumatic motor, and a transmission mechanism, to drive the differential wheel set; and two parallel traveling lifting platform tracks are provided above the support frame, on which a traveling lifting platform capable of lateral movement is installed. This utility model, through pneumatic drive, differential wheel set, and lifting platform design, achieves safe, efficient, and comprehensive inspection and maintenance operations for the ring beam.

This invention relates to a market-based optimal scheduling method for virtual power plants (VPPs) based on multiple uncertainty representations. It employs a scenario-based method using Monte Carlo and Manhattan probability distances to model wind and solar power output and electricity prices, while simultaneously utilizing an interval method to model carbon prices and demand response. With the goal of minimizing VPP operating costs, it comprehensively considers electricity market trading, carbon trading, and incentive-based demand response mechanisms, establishing an optimal scheduling model for VPPs based on interval linear programming. The model is solved using a two-stage decomposition algorithm within strong interval linear programming. This invention effectively reflects the impact of multiple uncertainties on system scheduling results through the changing trends of indicators, improving economic efficiency while ensuring the safe operation of the VPP system. The interval form representation provides decision-makers with a certain degree of realistic choice space, offering guidance for the optimal scheduling of future VPP systems.

The utility model relates to the technical field of smoke exhaust air pipes, in particular to an integrated assembly type smoke exhaust air pipe which comprises a main fire-fighting air exhaust smoke pipe and auxiliary fire-fighting air exhaust smoke pipes, the two ends of the main fire-fighting air exhaust smoke pipe are both connected with the auxiliary fire-fighting air exhaust smoke pipes in a sliding mode, and an air blocking box is fixed to the top end of the main fire-fighting air exhaust smoke pipe. Sealing frames are fixed to the two ends of the main fire-fighting exhaust smoke pipe correspondingly, the inner sides of the sealing frames are slidably connected with the auxiliary fire-fighting exhaust smoke pipe, resistance fans are assembled on the two sides of one end of the inner side of the main fire-fighting exhaust smoke pipe correspondingly, and dismounting mechanisms are arranged between the two sides of the main fire-fighting exhaust smoke pipe and the main fire-fighting exhaust smoke pipe. According to the integrally-assembled smoke exhaust air pipe, the two main fire-fighting air exhaust smoke pipes and the two auxiliary fire-fighting air exhaust smoke pipes are pressed and fixed through the disassembling mechanism, and therefore the assembling efficiency and the quality effect between the main fire-fighting air exhaust smoke pipes and the auxiliary fire-fighting air exhaust smoke pipes can be conveniently improved.

The utility model discloses a daily ceramic dish of antiskid belongs to daily ceramic dish technical field, including shell, inner shell and base, shell side wall is equipped with hollow block, and the piston is slidably connected in hollow block, and the piston is connected sliding rod, and the rotating plate is rotatably connected to the sliding rod end, and the hollow block still is equipped with spring to push piston reset, in order to prevent skidding, and the shell outer wall is equipped with horizontal groove and rice shape convex, the base bottom is provided with the recess, and is connected with the shell through the reinforcing pad that is equipped with rectangular groove, and the bottom still is fixed with the antiskid pad, the utility model discloses through setting telescopic rotating plate, has solved the problem that the disc body high temperature is difficult to end to hold, and the operation is safe and convenient, simultaneously, through the composite setting of various antiskid structures in shell and base, has enhanced the friction and stability when holding and placing significantly, has prevented the accidental slide effectively.

The application provides a kind of multi-modal sensitive label identification method and system for short video content security, anchors short video sensitive representation subject and disassembles to form multidimensional fine-grained representation unit, excavates the content association logic chain between multidimensional fine-grained representation unit, obtains relevant set;Perform cross-dimension feature interlacing and link fusion processing to construct sensitive association feature network;Sensitive association feature network is matched with preset sensitive label item set to generate initial anchoring association relationship;Then, the initial anchoring set is executed feature network reverse tracing and label anchoring counteracting calibration processing, and the anchoring association deviation is corrected;Based on the calibrated label feature node anchoring set, extract sensitive label and execute label interrelation aggregation and hierarchical division processing, output the sensitive label set corresponding to short video.The application comprehensively utilizes short video multi-modal information, and improves the accuracy of sensitive label identification.

The utility model discloses a photovoltaic grid-connected box of anti -reverse flow protection, including photovoltaic grid-connected box, be equipped with three installation groove body in photovoltaic grid-connected box, including left installation groove, right installation groove and lower installation groove, left installation groove is equipped with first anti -reverse flow device, second anti -reverse flow device and intelligent circuit breaker, right installation groove is equipped with current transformer, lower installation groove is equipped with photovoltaic isolation knife switch, surge protector and photovoltaic grid-connected switch, and the rear side of photovoltaic grid-connected box is equipped with air -cooled fin. The utility model discloses through first anti -reverse flow device, second anti -reverse flow device in photovoltaic grid-connected box, the current, voltage etc. of demarcation point's data are measured, and the real -time power value, power direction are calculated, whether " reverse flow " exists is detected in real time, if the reverse flow can carry out real -time regulation control to photovoltaic control equipment's output, prevent electric energy backflow to the electric network, the rear side of photovoltaic grid-connected box adds air -cooled fin, can realize better heat dissipation effect, novel structure, strong practicality, is fit for promoting.

The application relates to a lock device of a gate slot gate and relates to the technical field of gates, and aims to solve the problem that the gate is prone to water leakage. The gate slot gate comprises a gate slot and a gate leaf, the gate leaf is slidably arranged in the gate slot, a driving element for driving the gate leaf is arranged at the top of the gate slot, a locking mechanism is arranged between the gate slot and the gate leaf, the locking mechanism comprises a locking frame, a locking rod, a locking cylinder, an upper locking block and a lower locking block, the locking rod is connected to the gate leaf, the locking rod is arranged along the width direction of the gate leaf, the locking frame is connected to the gate slot, the locking cylinder is connected to one end of the locking frame, a connecting plate is arranged on the output end of the locking cylinder, the upper locking block is connected to the connecting plate, the lower locking block is connected to the other end of the locking frame, the upper locking block and the lower locking block are both provided with semicircular grooves for fixing the locking rod, and the upper locking block is matched with the lower locking block. The application has the effects of ensuring the stability and safety of the gate.

The utility model discloses a double main shaft double knife tower numerical control machine tool, including frame, first processing device and second processing device. Frame is equipped with two parallel X axle guide rails. First processing device includes the first main shaft mechanism fixed in first X axle guide rail one end and sets up first knife tower mechanism on it, and first knife tower mechanism can move along X, Y axle. Second processing device includes setting up second knife tower mechanism on second X axle guide rail and second main shaft mechanism can move along X axle, and second main shaft mechanism is coaxial with first main shaft mechanism and sets up. Through coaxial double main shaft design has realized workpiece automatic transfer and seamless butt joint between two main shafts, and can complete workpiece double -end continuous processing without manual intervention, through the independent or synchronous processing capacity of double knife tower, can process different workpiece respectively to improve equipment utilization rate, can also process the two ends of the same workpiece in cooperation to shorten single piece processing time greatly, has improved production efficiency and automation level obviously.

The invention discloses a method for dynamically updating and loading a function package of a mobile application, which comprises the following steps: acquiring an identity label of a current user, and sending a request carrying the identity label to a server side; based on a preset gray scale strategy, the server side returns a corresponding target deployment key to the client side after confirming the identity label; the client obtains a corresponding function packet by using the target deployment key, and stores the obtained function packet on the client; and the client determines and loads the currently required function package from the function packages stored by the client according to a preset loading strategy or a loading strategy obtained from the server and in combination with the operation environment information of the current client. According to the application, the target deployment key is determined by combining the user identity identification with the gray scale strategy of the server side, and the client side intelligently selects the loaded function package according to the loading strategy and the real-time operation environment, so that mobile application updating and loading personalized requirements of different users are met.

The utility model discloses a pet traction rope, it includes the traction rope, the traction rope both sides symmetry is provided with first movable ring and second movable ring, the second movable ring outside is provided with safety buckle, the first movable ring outside is covered with handle, and the handle outer wall is equipped with the massage particle. Through above -mentioned structure, the handle is provided with the massage particle to the one side of traction rope, and the handle outer wall is equipped with the massage particle, so that the operator is in the use process, better power logic, not to hurt hand and hurt hand with the hand. When going out and taking the dog, the handle is made with the massage particle, and it is more comfortable to hold in the hand when taking the pet, and the massage health care effect is played. The pet is not easy to run away when the pet suddenly exerts force, and the pet is not easy to run away. More convenient operability, it is more relaxed when going out and needing to temporarily tie the dog, as long as the handle is inserted into the circle after the rope is made a circle on the tree, it will never run away again, and the speed is faster and more firm.

The application relates to the network security technical field and provides a request message forwarding method and device, a storage medium and an electronic device, which can be applied to cloud security. In the method: for each destination address, each server in a cluster corresponds to a self traffic limiting value, each traffic limiting value is determined based on historical sub-traffic generated by the corresponding server for the destination address, total historical traffic generated by the cluster for the destination address and a global traffic limiting value of the destination address. Since each historical sub-traffic reflects the forwarding capability of the corresponding server, the traffic limiting value of each server can better balance the forwarding capability and the sharing capability of the cluster. Therefore, when each subsequent request message for the destination address is forwarded, the total load of the cluster can be shared to the maximum extent within the load range of each server, the limiting precision of a single server for the request message is effectively improved, and the network security is better maintained.

The utility model discloses an electric heating module for an electric heat pump, and relates to the field of electric heating modules. The electric heating module for the electric heat pump comprises two mounting units and a heating unit, the two mounting units are symmetrically arranged on the two sides of the heating unit, each mounting unit comprises a mounting base and a supporting ring block, and the supporting ring blocks are fixedly connected to the mounting bases in a sleeving mode; and each heating unit comprises a sleeve and a plurality of heat conduction pipes, a plurality of clamping assemblies are arranged at the bottom of the sleeve, the clamping assemblies are all clamped in the supporting ring block, and the number of the heat conduction pipes is multiple. According to the electric heating module for the electric heating heat pump, the clamping assembly is arranged at the bottom of the sleeve, and the supporting ring blocks are arranged on the outer sides of the upper mounting seat and the lower mounting seat, so that the sleeve is convenient to mount and dismount, the tedious operation of screw fixing is replaced, the heat conduction pipe is convenient to maintain, and the electric heating module can work more stably and safely; and the service life of the electric heating module is prolonged, and the maintenance cost is reduced.

The application discloses a method for processing IPv4 network source routing attack behavior based on GENEVE, comprising the following steps: acquiring real-time network state information, calculating the maximum receiving distance threshold of the link node according to the network state information; setting the neighbor node parameter according to the maximum receiving distance threshold, preventing the attack node from establishing malicious false neighbors, and acquiring abnormal monitoring data; constructing a routing space monitoring model for the abnormal monitoring data, generating a jump space of routing jump through a backtracking method, and limiting the corresponding communication link capacity through the non-overlapping of the jump space and the communication delay; acquiring a path state matrix according to the communication link capacity, adjusting the weight coefficient according to the current network security state through the path state matrix, generating a network security state flow table, responding to the real-time routing jump defense strategy, and performing a deceptive response to the malicious probe packet, so that the attacker cannot obtain the real network topology information, and better defense effect is achieved.

This utility model relates to the field of liquid level gauge technology and discloses an explosion-proof magnetic liquid level gauge, including a measuring plate, a measuring tube disposed on the rear side of the measuring plate, a flip-up indicator disposed on the front side of the measuring plate, a warning assembly connecting the top of the measuring tube to the warning indicator, a connecting rope fixedly connected to the inner wall of the measuring tube, a magnetic component slidably connected to the outer wall of the connecting rope, a float fixedly connected to the bottom of the magnetic component, a corrugated compensator fixedly connected to the top and bottom of the measuring tube, a first connecting pipe disposed at the end of the corrugated compensator, a third connecting pipe disposed at the end of the first connecting pipe, and a piston assembly connecting the inner wall of the third connecting pipe to a second connecting pipe. In this utility model, the magnetic liquid level gauge integrates a pressure safety protection function. When the pressure inside the tank exceeds the limit, the top warning indicator immediately alarms, and the operator can quickly drive the piston assembly to cut off the connecting pipe, preventing leakage and explosion risks while supporting pressurized disassembly and maintenance.

The utility model discloses a kind of blanking die of motor connecting plate, it relates to blanking die technical field, including lower mould and fixed mechanism, the fixed mechanism includes the first slide bar welded in the top of lower mould, the first slide bar is slidably connected with mobile clamp, the mobile clamp is fixedly connected with L-shaped rod, the L-shaped rod is threadedly connected with bidirectional threaded rod, the lower mould is fixedly installed with first motor, the lower mould is fixedly connected with support rod, the support rod is fixedly connected with base. By setting fixed mechanism, not only can realize accurate positioning and stable clamping to motor connecting plate workpiece, but also can flexibly adapt to different size sheet material, whether smaller size or larger specification motor connecting plate sheet material, position adjustment can be carried out when stamping, so that different size workpiece is firmly constrained in predetermined position, ensure that connecting plate blank is accurately separated along preset contour line.

The utility model discloses a protective fence structure which comprises a rectangular steel pipe frame formed by welding four steel pipes in a surrounding mode and fixed to an inner ring of a rectangular frame type concrete beam column. The rectangular frame type concrete beam column comprises two horizontal beam columns and two side beam columns; the aluminum square pipes are horizontally arranged in the rectangular steel pipe frame from top to bottom at intervals, and the two ends of each aluminum square pipe are correspondingly connected with the two side steel pipes on the side faces of the rectangular steel pipe frame respectively; the main reinforcing structure comprises main stainless steel angle steel columns located on the outer vertical faces of the multiple aluminum square pipes and close to the corresponding side beam columns. The two ends of the main stainless steel angle steel column are mechanically fixed to the two horizontal beam columns correspondingly. The main stainless steel angle steel column and each aluminum square tube are fixed in a hooping manner at the intersection; the middle of the main stainless steel angle steel column further laterally extends to form a lateral stainless steel angle steel column, and the tail end of the lateral stainless steel angle steel column is mechanically fixed to the corresponding lateral beam column. The method has the advantage that the structural integrity can still be maintained under the condition that local connection failure occurs between the steel pipe frame and the beam column.

The utility model relates to a rehabilitation exercise suit for a mechanical ventilation patient, and belongs to the technical field of medical nursing materials. The problems that in the prior art, a mechanical ventilation pipeline is not fixed, and a drainage bag is inconvenient to carry are solved. Comprising a jacket and trousers, and the jacket is provided with a collar for exposing the tracheotomy part of a wearer; at least two bandage assemblies are connected to the chest position of the outer side of the jacket; at least two bandage assemblies are connected to the abdomen position of the outer side of the jacket; the bandage assembly is used for limiting a pipeline of the breathing machine; a pocket used for containing a drainage bag and a catheter fixing patch are connected to the front face of the trousers, and the catheter fixing patch is located above the pocket and used for limiting a catheter connected with the drainage bag. The mechanical ventilation patient can do rehabilitation exercises conveniently by wearing the device.

The utility model relates to the field of column opening insulation sheaths, and discloses a column opening insulation sheath installation tool, which comprises an insulation protection sleeve and a butt joint assembly, the insulation protection sleeve is placed above a wiring position, one side of the insulation protection sleeve is provided with the butt joint assembly, and the butt joint assembly is in butt joint installation with a robot. The top surface of the insulation protection sleeve is provided with a clamping assembly, one end, far away from the insulation protection sleeve, of the clamping assembly is provided with a butt joint assembly, two sides of the clamping assembly are provided with two groups of plug pin assemblies which are symmetrical about the insulation protection sleeve, and two sides in the insulation protection sleeve are provided with two groups of pressing plate assemblies which are symmetrical about the insulation protection sleeve. The plug pin assembly is connected with the pressing plate assembly in the insulation protection sleeve, the protection sleeve installation mode is matched with the assembly, the problems that the material friction force of the protection sleeve is large, positioning is difficult to adjust, consumable compatibility is poor, and the self-locking function is poor are solved, it is ensured that the insulation protection sleeve is firmly installed and not prone to loosening and falling off, and the installation quality is greatly improved; and stable operation of a power grid is facilitated.

This utility model relates to the field of water conservancy engineering technology, and in particular to a protective device for finished concrete fishway structures. It includes a base and baffles fixedly connected to both sides of the base. A shielding component is installed on the upper side of the two baffles, and the shielding component is fixed to the two baffles by a fixing component. An interception component is provided on the front side of the two baffles, and several flow-reducing components are arranged between the two baffles. This utility model effectively intercepts solid debris such as rocks and branches from the river channel by setting a shielding component on the upper side of the fishway; simultaneously, the interception component blocks floating garbage on the water surface, forming a three-dimensional protection system. Through this dual protection mechanism, the rate of debris entering the channel is reduced, minimizing accumulation inside the fishway from the source. While ensuring smooth water flow, it maximizes the cleanliness and safety of the fish migration channel.