391results about How to "Achieve drainage" patented technology

The invention discloses a self-balancing siphon drainage method by using a side slope declining drill hole. A siphon drainage pipe is introduced to the deep part of a side slope through a downward declining hole, a relative height difference between the opening and the bottom of the declining hole is kept less than 9m, and the siphon drainage pipe is introduced to a certain position of a slope surface from the bottom of the declining hole so that a water inlet and a water outlet of the siphon drainage pipe have the same elevation, and water is drained in real time when the water level of a slope body is raised. By adopting the self-balancing siphon drainage method provided by the invention, the condition of draining water at the deep part of the side slope can be realized, the problem of drainage treatment of big landslides can be solved, the low construction cost for maintaining side slope stabilization can be ensured, the earth and stone excavation is unneeded in the treatment process, the implementation process of treatment engineering is simple and easy to operate, drainage measures are favorable in reliability and strong in adaptability, and the power and the frequent management maintenance are unnecessary in the drainage process.

The invention relates to a water and sewage drainage facility for an industrial recirculating aquaculture system, which is suitable for respectively draining the circulating water and sewage containing large particles such as residual lure, feces and the like in a closed recirculating water system which is used for culturing fish and shrimps. A central culture pond water drainage pipe of the facility is arranged in the center of the culture pond; sewage drainage holes are arranged at the bottom of the center of the culture pond; the central culture pond water drainage pipe is fixed above the sewage drainage holes, and the pipe wall of the water drainage pipe is provided with small drainage holes; the upper end of the central culture pond water drainage pipe is connected with a filter cap, and the lower end thereof is a spigot-and-socket joint pipe that extends into a sewage drainage groove; the culture water flows into a water treatment pipe network outside the pond through the water drainage pipe; a sewage drainage clearance control panel is installed at the bottom of the central culture pond water drainage pipe, and the clearance between the panel and the bottom of the pond can be adjusted by rotating the sewage drainage clearance control panel; the sewage at the bottom of the culture pond flows into the sewage drainage groove through a clearance between the sewage drainage clearance control panel and the pond bottom and then flows out of the system. The facility has the characteristics of no energy consumption, automatic drainage of culture water, independent water and sewage drainage, practicality, convenience and the like.

The invention discloses an irrigation and drainage integrated device suitable for a high underground water level. The irrigation and drainage integrated device comprises a set of underground irrigation pipelines, an underground water conveying pipeline, a water storage pool body, a water inlet pipe, a water outlet pipe, a water pump and two automatic control valves of the water pump, wherein one end of each underground irrigation pipeline is connected with the underground water conveying pipeline; a water permeable film is mounted at the other end of each underground irrigation pipeline; the underground water conveying pipeline is connected with the water inlet pipe; the water inlet pipe is connected with the water storage pool body; the first automatic control valve is mounted on the water inlet pipe; one end of the water outlet pipe is connected with one side of the water inlet pipe; the other end of the water outlet pipe is connected with the water storage pool body; and the water pump and the second automatic control valve are respectively mounted on the water outlet pipe. According to the irrigation and drainage integrated device, redundant underground water can be drained under higher underground water level of farmland and is stored in the water storage pool body, and infiltrating irrigation is carried out through the underground irrigation pipelines under lower underground water level, so that the irrigation and drainage functions are achieved, the water resources are saved and high and stable yield of crops can be facilitated.

A decanter without power source is composed of a water receiving unit on water surface, a drainage unit and a transmission unit. Said water receiving unit has a float movable along a vertical track with upper and lower limiters and connected to drainage tube which is connected to drainage trunk at bottom of container. A water level sensor is connected to the electromagnetic valves respectively for water pouring tube and drainage trunk. Its advantages are no need of external power unit and sealing, low cost and high running stability.

The invention provides a water purifier. The water purifier according to the embodiment of the invention includes a shell used for forming a shape; a filter support arranged inside the shell and equipped with a filter and a valve; a condenser support arranged inside the shell and separated from the filter support, a condenser being accommodated on the condenser support; a cooling box placed at the upper end of the condenser support and used for cooling water purified by the filter; a support plate connecting the filter support and the cooling box and dividing space between the filter support and the cooling box vertically; a compressor arranged under the support plate; and a control assembly mounted on the support plate.

The invention provides an improved drawer-type integrated dish washing machine, and belongs to the technical field of kitchen supplies. The problem that an existing dish washing machine is poor in cleaning effect is solved. The improved drawer-type integrated dish washing machine comprises a main body, a water tank and a water supply and drainage mechanism; a dish washing tank which can be moved outwards or inwards is installed in the main body, and a sterilization disinfector and a dish washing support used for containing tableware are arranged in the dish washing tank; the water tank is embedded into the upper portion of the main body and provided with a table surface, and a spigot and a controller used for controlling the dish washing tank to work are installed on the table surface; the water supply and drainage mechanism is arranged in the main body and communicated with the water tank and the dish washing tank separately. The improved drawer-type integrated dish washing machine has the advantage of being good in cleaning effect.

The invention provides a drainage structure of a washing machine, and no water exists between an inner barrel and an outer barrel of the washing machine when the washing machine is used for washing and rinsing. The washing machine comprises the inner barrel, no hole is formed in the lower portion of the side wall of the inner barrel, the drainage structure of the inner barrel comprises a water sealing cover, a lever structure and a drive device, the resisting arm end of the lever structure is connected with the water sealing cover, the power arm end of the lever structure is provided with the drive device for driving the lever structure to work, the bottom wall of the inner barrel is provided with a drainage opening, and the lever structure is driven by the drive device to drive the water sealing cover to close the drainage opening in the washing and rinsing processes and to open the drainage opening in the drainage process. According to the drainage structure, ascending and descending of the resisting arm end of the lever structure are utilized to drive the water sealing cover to close or open the drainage opening, drainage is achieved, and the drainage structure of the washing machine is simple in structure and convenient to mount and has high market popularization value.

The invention provides a high-power radial plunger pump, belongs to the field of machinery and particularly relates to a high-power radial plunger pump. The high-power radial plunger pump is small in size, simple in structure, convenient to machine, long in service life and low in cost. The high-power radial plunger pump comprises a casing provided with a cavity in the inside, wherein the surface of the casing is provided with a liquid suction port communicated with the cavity. The high-power radial plunger pump is structurally characterized in that the middle of the casing is provided with a cam through a rotation shaft, and the cam is provided with at least two plungers through pull rings. The end of each plunger is arranged in a plunger cylinder, a liquid inlet communicated with the cavity is arranged at the end of the plunger cylinder, and a liquid suction valve is arranged in the liquid inlet. Two sides of the plunger cylinder are provided with first hollow lug shaft and a second hollow lug shaft which are matched with the casing. An annular high-pressure cavity is arranged in the casing. The first hollow lug shaft of each plunger cylinder is communicated with the annular high-pressure cavity, and a liquid discharging valve is arranged in the first hollow lug shaft corresponding to the annular high-pressure cavity. The surface of the casing is provided with a liquid outlet communicated with the annular high-pressure cavity.

The invention relates to a system for cooling electrical and electronic components and devices which are arranged in a housing. The invention is especially suited for outdoor cabinets and housings of telecommunications technology. The aim of the invention is to provide a cooling system into which an inexpensive filter can be inserted and arranged in such a manner as to allow an extremely good sealing. For this purpose, a filter trough is arranged in a housing wall or door, the filter being accommodated therein in a manner so as to be detached and replaced from the exterior and being sealed from the filter trough by means of a continuous seal on its air exit side.

The invention relates to an online detecting device and online detecting method for synchronous belt type corn kernel breaking rate. The device comprises: a detecting box, a blanking unit, a mechanismexecuting unit and a detecting unit, wherein the blanking unit comprises a blanking slot and a blanking chute, the mechanism executing unit is in a synchronous belt transmission structure, and the detecting unit comprises a CCD industrial camera, a processing chip, and an in-vehicle control and display terminal. Each of the units cooperates with each other to transmit data in real time to ensurethe smooth online detection of the corn kernel breaking rate. The method comprises the following steps: the CCD industrial camera collects corn kernel images and outputs the images to the processing chip for processing to identify broken corn kernels, and the in-vehicle control and display terminal calculates a corn kernel breaking rate. The device provided by the invention is small in size, simple and reliable in structure, convenient to carry, easy to be installed with the combine harvester grain box, high in clarity of images acquired by the CCD industrial camera, simple and efficient in algorithm, and fast in image data information processing speed, so that advantages of high detection efficiency, strong reliability and high precision are obtained.

The invention relates to a greening method for high water level impermeable saline and alkaline lands and a greening system adopting the method. The greening method adopts a landfill type drainage ditch to discharge water and salt, longitudinal blind pipes are buried at the bottom of the landfill type drainage ditch, and a water seepage sand layer is paved above the blind pipes. Water is collected through the water seepage sand layer, guided into the blind pipes through water seepage holes arranged on the upper portions of the blind pipes, and discharged into drainage pipes and / or water collecting wells through water outlets of the blind pipes. One side or two sides of the bottom of the landfill type drainage ditch are provided with one or a plurality of landfill type water seepage slope faces, the landfill type water seepage slope faces are provided with a water seepage sand layer, the water seepage sand layer is connected with the water seepage sand layer above the blind pipes into a whole, and the landfill type water seepage slope faces extend to a specific drainage area. By means of the method, the greening system can be formed. The greening method for high water level impermeable saline and alkaline lands and the greening system adopting the method facilitate water discharge and salt discharge, improve growing environment of plants and are particularly suitable for survival and growth of plants in high water level clay saline and alkaline lands.

The invention discloses an active water-draining type fuel cell. The active water-draining type fuel cell comprises a positive electrode structure, a negative electrode structure, a proton exchange membrane positioned between the positive electrode structure and the negative electrode structure, and a water-draining apparatus, wherein the positive electrode structure comprises a positive electrode runner plate, a positive electrode dispersion layer and a positive electrode catalytic layer which are arranged from the top to bottom in sequence; the positive electrode catalytic layer is connected with the proton exchange membrane; the negative electrode structure comprises a negative electrode catalytic layer, a negative electrode dispersion layer and a negative electrode runner plate which are arranged in sequence; the negative electrode catalytic layer is connected with the proton exchange membrane; the negative electrode runner plate comprises a porous carbon core layer and a graphite base layer; the upper part of the porous carbon core layer is connected with the negative electrode dispersion layer while the lower part of the porous carbon core layer is connected with the graphite base layer; and one end of the porous carbon core layer extends to be connected with the water-draining apparatus. The active water-draining type fuel cell has the beneficial effects as follows: the negative electrode runner plate adopts the porous carbon core layer and the graphite base layer, so that liquid water generated by a reaction in the fuel cell can be led out actively so as to effectively prevent from water logging; and in addition, the additionally provided water-draining apparatus is simple in structure and easy to realize.

The invention relates to a bathtub overflow / drainage control device connected with a bathtub, which comprises a power plug, a transmission line, a controller, a control panel, a water level induction apparatus and a closed apparatus provided with a drive device; the closed apparatus comprises a valve box connected to the bathtub drainage position, a rotating shaft which is arranged in the valve box and driven by the drive device, a top claw and a water plug connected with the valve box; and the water plug is driven by the top claw and at least has a closed position and an open position. The control device can be operated in a simple and reliable way, and has great flexibility in the aspects of connection and composition of the bathtub and drainage pipe.

The invention discloses a ship, relates to the technical field of navigation equipment and is designed to solve the problems of larger occupied space and maintenance inconvenience caused by unreasonable arrangement of a ballast pump. The ship comprises a ship body and a water ballast system, wherein the ship body comprises a cargo hold area, a ballast pump room and a plurality of water ballast tanks, the ballast pump room is located in the cargo hold area, the water ballast system comprises a ballast pump arranged in the ballast pump room, and the ballast pump is communicated with each water ballast tank through a ballast pipeline and is used for injecting water into each water ballast tank or discharging water in each water ballast tank. The ship is used for overcoming the defect that thespace of the ship body is occupied due to unreasonable arrangement of the ballast pump room in the prior art, meanwhile, the risk of damage of the ballast pump due to long-term soaking is reduced.

The invention provides a drawer type integrated enhanced draining dish-washing machine and belongs to the technical field of kitchen supplies. The problem of poor water draining effect of the current dish-washing machine is solved. The drawer type integrated enhanced draining dish-washing machine comprises a main body, a water channel and a water feeding / draining mechanism, wherein a dish-washing tank capable of outward or inward moving is mounted in the main body; a dish-washing rack used for holding tableware is arranged in the dish-washing tank; the water channel is embedded above the main body; the water channel is provided with a table board, a faucet and a controller; the faucet is mounted on the table board; the controller is used for controlling the dish-washing tank to work; the water feeding / draining mechanism is arranged in the main body; the water feeding / draining mechanism comprises a main water inlet pipe and a main water draining pipe; the faucet is communicated with the main water inlet pipe; the water channel is communicated with the main water draining pipe through a first water draining pipe; the dish-washing tank is communicated with the main water draining pipe through a second water draining pipe; an anti-backflow device is arranged between the second water draining pipe and the main water draining pipe. The drawer type integrated enhanced draining dish-washing machine has the advantage of excellent water draining effect.

The invention discloses a concentric-circle pulsator washing machine which is characterized in that the concentric-circle pulsator washing machine comprises an inner barrel (5), an outer barrel (6) and a housing inner wall which are successively arranged from inside to outside concentrically; the bottom of the inner barrel (5) is provided with an inner barrel pulsator (7-2); the bottom of the outer barrel (6) is provided with an outer barrel pulsator (7-3); a clutch (7-7) is connected with the centers of the inner barrel pulsator (7-2) and the outer barrel pulsator (7-3); the connecting segment between the clutch (7-7) and the inner barrel pulsator (7-2) is a clutch movable segment (7-7-1); the outer barrel pulsator (7-3) is provided with outer barrel pulsator central water penetrating holes (7-5) at positions which correspond with inner barrel pulsator water penetrating holes (7-4); and the edge of the outer barrel pulsator (7-3) is provided with outer barrel pulsator edge water penetrating holes (7-6). The concentric-circle pulsator washing machine provided by the invention has advantages of reasonable design, high practicability, trouble reduction, effective energy-and-water reduction, and high sanitation. The concentric-circle pulsator washing machine can realize separated washing of clothes with different washing environment requirements, thereby reducing damage of the clothes in mixed washing.

The invention provides a drain pipe component and a refrigerator. The drain pipe component comprises a pipe body, a floating valve and a baffle ring, wherein the pipe body is provided with a drain channel, an outlet of the drain channel is provided with a limit member, the floating valve is arranged in the drain pipe and can move up and down between the limit member and the baffle ring and the baffle ring is arranged at the inlet of the drain channel. According to the drain pipe component provided by the invention, the drain channel is opened or closed by moving the floating valve up and down between the baffle ring and the limit member so that the floating valve moves upwards to open the drain channel when the drain pipe component needs to drain water, therefore water produced by the defrosting of the refrigerator can be effectively drainage, the drain channel can be closed by moving the floating valve downwards when the drain pipe component does not need to drain water, and the outside heat load can be effectively prevented from entering a container of the refrigerator through the drain channel; furthermore, the drain pipe component is simple in structure, convenient to install, reliable to use and low in cost.

A bathtub overflow drain device used for being connected with a bathtub is composed of a control unit, a water level sensing unit, an operating switch and a sealing unit with a driving device. The sealing unit comprises a sleeve connected to the drain part of the bathtub, a drive shaft driven by the driving device and a shut-off valve in the sleeve and driven to rotate by the drive shaft. The shut-off valve has at least two positions of closing and opening in the sleeve. Due to the structure, the drain device has simple and reliable operation and better flexibility in installation and connection.

The invention provides a bedding long drilling hole seam cutting and hole washing integral coal bed gas extraction method, which belongs to the technical field of improved coal rock body permeable coal bed gas extraction method and aims at solving the technical problem to provide the bedding long drilling hole seam cutting and hole washing integral coal bed gas extraction method with the advantages that the bedding long drilling hole well wall stress is scattered, the influence range is wide, and the extraction efficiency is high. The method adopts the technical scheme that a, a bedding long drilling hole is drilled in a coal bed for coal bed gas extraction; b, drill withdrawal is carried out, high-pressure water is introduced, a drill rotates in situ, and a large vertical crack is formed on the plane vertical to the axial line of the bedding long drilling hole; c, the drill withdrawal is continuously carried out, the water pressure is reduced, the hole wall of the bedding long drilling hole is flushed, the drill is stopped after going back for a distance, and a new large vertical crack is constructed by a method in the step b; d, the step c is repeated so that a plurality of large vertical cracks are formed on the bedding long drilling hole; e, the drill is withdrawn, and the hole sealing is carried out on the bedding long drilling hole; and f, coal bed gas is extracted. The method provided by the invention has the advantages that the extraction efficiency is high, and the method is suitable for underground extraction.

The invention relates to the three-dimensional greening field, and discloses a combined plant planting box and a planting module. The planting box comprises a box body with an opening, multiple water storage grooves are formed in the bottom of the box body and separated by bosses, the bosses are provided with channels which can enable liquid in one water storage groove to flow into the adjacent water storage grooves after the height of the liquid exceeds a set height, a water supply and drainage hole communicated with an inner cavity of the box body is formed in the side wall of the box body, and the lowest position of the water supply and drainage hole is lower than the top surfaces of the bosses. The planting boxes can be combined into different planting modules to adapt to different places such as roofs, indoor walls and balconies, and therefore the application range and scenes of the planting box are greatly widened; the assembly process is simple, and the installation difficulty and cost are low; the functions of water resisting, root resisting, water storing, water draining, filtering and the like can be integrally achieved.

The invention discloses a charging pile charging system and a charging method based on intelligent power allocation. The system comprises a server, a mobile terminal, a charging pile and a control host. The control host is arranged on the side of a transformer, and the control host is connected with the charging pile in the same transformer stage area. A charging pile, a mobile terminal and a control host are respectively communicated with a server; the system takes a transformer platform area as a control area, and each control area includes a control host and a plurality of charging piles. The control host is used for collecting and judging the residual power of the transformer. The charging pile receives the finger control command sent by the control host and executes the finger controlcommand; the server intelligently disposes the working state of the charging pile according to the received data; Through the invention, the working state of the server intelligently allocating the charging pile is realized, the failure risk of the power supply equipment and the charging pile caused by the long-term overload is reduced, the use of the charging pile is more reasonable, the servicelife of the charging pile is effectively prolonged, and the construction cost and the maintenance cost are reduced.

The invention discloses a local area network equipment type identification method. The method comprises the following specific steps: analyzing received message content of a DHCP protocol sent by a client; identifying the equipment terminal type of the client by utilizing the parsed message information; if not, providing a short-time available address for the client, and guiding the gateway flow of the client at the same time; analyzing the network protocol stack and the application flow of the client, and determining identification features of the client; matching the equipment type of the client according to the type identification feature library through the identification features of the client, and meanwhile, enabling the DHCP server to synchronize the new lease information to the client, so that the network flow of the subsequent client is not guided any more; and updating the client identification features in the type identification feature library. According to the invention, the possible influence on the network bandwidth of the local area network in the active detection process and the number of detection messages in the local area network are reduced, and the invasion tothe network is reduced as much as possible.

The invention discloses a static levelling instrument system having automatic water supplementing and draining functions; an automatic water supplementing and draining device includes a water tank (3), a controller (4), a data acquisition assembly and an electromagnetic valve (5); the water tank (3) is connected to a static levelling instrument or a liquid passing pipe (2) through a communication pipe; the electromagnetic valve (5) is arranged on the communication pipe; the data collection assembly is connected with the sampling signal input end of the controller (4), and the control signal output end of the controller (4) is connected with a water supply pump and the electromagnetic valve (5). The liquid passing pipe (2) adopts a thickened liquid passing pipe. The system can achieve automatic detection of liquid levels and temperatures, is automatically compared with an experience value, achieves automatic water supplementing and draining, and is high in intelligent degree and convenient to use. The diameter of the liquid passing pipe is thickened, the resistance of a liquid in a liquid storage barrel flowing into the liquid passing pipe is greatly reduced, besides, the flow velocity of the liquid in the liquid passing pipe is ensured, the response speed of the static levelling instrument system is improved, and the dynamic measurement is achieved.

The invention discloses a rapid drainage device for ICU nursing, and relates to the technical field of ICU intensive care. The device comprises a collecting box. A drainage tube is connected to the upper end of the collecting box; a pulse anti-blocking device is arranged on the drainage tube; the upper end of the collecting box is provided with a pulse negative pressure device; the pulse negativepressure device comprises a negative pressure pump installed at the upper end of the collecting box; and the pumping end of the negative pressure pump is connected with a B three-way tube; a pressuresensor module is mounted on a top end of the collection box; the pulse anti-blocking device includes a tube head communicating with a top end of the drainage tube; an annular elastic airbag is fixedlymounted on the left side of the tube head; the elastic airbag is connected with an air guiding tube; the end of the air guiding tube is connected with an A tee tube; the end of the air guiding tube is connected with a branch tube; the other end of the branch is in communication with the output port of a syringe. The device has the beneficial effects that the anti-blocking of the inlet of the drainage end is effectively achieved, and the drainage is facilitated quickly and efficiently, and the sealing of the end portion can be conveniently achieved to avoid backflow.

The invention discloses a bionic robot fish. The bionic robot fish comprises a fish head, a fish body and a floating and diving mechanism. The floating and diving mechanism comprises a second water storage and drainage pot used for controlling the fish body to float and dive, an air storage pot connected with the second water storage and drainage pot and an air pump used for controlling air exchange between the air storage pot and the second water storage and drainage pot. The second water storage and drainage pot is installed in the middle portion of the fish body. According to the bionic robot fish, through the connection of the second water storage and drainage pot and the air storage pot, the second water storage and drainage pot is arranged in the middle portion of the fish body, and through the control of the air pump over the air conveying between the air storage pot and the second water storage and drainage pot, water storage and water drainage of the second water storage and drainage pot are achieved, so that floating and diving of the fish body of the bionic robot fish are further achieved; and the bionic robot fish is simple in structure and has a vivid bionic effect.

There is provided a method of tire manufacturing a tire in which preset-beads each preformed by mounting a bead filler on a bead core are disposed radially outward of a carcass band and both side portions of the carcass band are turned around the preset beads to build the tire. The method eliminates a need to hold the considerable intermediate stocks and does not deteriorate the tire uniformity due to the unevenness of the preset bead in the circumference direction. There are also provided an apparatus of forming a preset bead used therefor and a system of forming a preset bead. In the method of manufacturing a tire in which preset-beads each preformed by mounting a bead filler on a bead core are disposed radially outward of a carcass band and both side portions of the carcass band are turned around the preset beads to build the tire, the preset bead is formed by winding and laminating a ribbon-shaped filler rubber 5 radially outward of the bead core 10 over several laps.

The invention discloses a pulse-type drainage air filter, comprising a filter body and a cup disposed on the filter body; a filter assembly fixedly connected with the filter body is arranged in the cup; the lower end of the cup is provided with a drainage passage; a pulse-type drainage mechanism is disposed in the cup; the pulse-type drainage mechanism comprises a piston seat fixedly installed in the cup and a piston slidingly arranged in the piston seat; a filtered water passage is disposed between the piston seat and the piston seat; one end of the piston protrudes out of the piston seat and abuts against the drainage passage; an air gap communicated with the inner cavity of the cup is disposed between the piston and the piston seat; and the piston and the piston seat cooperate to form a balance pressure chamber in the piston seat. The pulse-type drainage air filter described by the invention can realize pulse-type automatic drainage, is simple in structure, low in production cost and is convenient for disassembly and maintenance, and has relatively long service life.

The invention discloses a water system communication system and an implementation method thereof. A water system comprises dams, lakes and rivers, and the dams communicate with the lakes through pumpstation water lifting and draining systems and open channel landscape purification systems; if important traffic roads, high-rise buildings or high mountain zones are not arranged between the lakes and the rivers or between the two lakes, the lakes communicate with the rivers through the open channel landscape purification systems, and the two lakes communicate with each other through the open channel landscape purification systems; or / and if the important traffic highways, the high-rise buildings or the high mountain zones are arranged between the lakes and the rivers or between the two lakes, the lakes communicate with the rivers and the two lakes communicate with each other through a jacking pipe communication system, and the jacking pipe communication system penetrates through the important traffic highways, the high-rise buildings or the area below the high mountain zones. The water system communication system is simple in structure and low in cost, waterlogging drainage is effectively achieved through drainage of the drainage channel and lake flood storage, the drought resisting function is effectively achieved through a water lifting pump station, landscape aquatic plants are purified through the lakes and the drainage channel, and the greening water landscape effect is achieved.

The invention discloses a cable bridge convenient for drainage and damp-proof treatment. The cable bridge comprises a bridge cable duct, a cover plate arranged on the bridge cable duct, heat radiationwindow plates arranged in the bridge cable duct, and dehumidification boxes arranged in the bridge cable duct. The cover plate is inverted V-shaped; and the two ends of slope edges of the cover plateare respectively provided with an arc flow guide plate, the opening of which is upward. The heat radiation window plates are hinged to the side plates of the bridge cable duct. Each heat radiation window plate is provided with heat radiation holes. The dehumidification boxes are arranged at the installation places of the heat radiation window plates; the dehumidification boxes protrude to the inner side of the bridge cable duct; each dehumidification box is internally provided desiccant; and each dehumidification box is provided with dehumidification holes. The cable bridge used outdoor can be subjected to drainage treatment, thereby preventing corrosion of the cable bridge due to accumulation of rainwater, and preventing the service life of the cable from being influenced; and meanwhile,the dehumidification boxes can prevent influence of moisture from rainwater on normal use of cables in the cable bridge, and the service life of each cable is prolonged.