4095 results about "Water leak" patented technology

The invention discloses a multi-dimensional real-time operation monitoring and alarm linkage system for an urban direct drinking water plant station, and relates to the technical field of intelligent water affairs. Water quality, water quantity and equipment operation state data are collected in real time and fused to form a multi-dimensional data set, and a threshold adjustment accuracy evaluation model is established based on an instantaneous flow fluctuation rate and a daily variation deviation value; a machine learning method is utilized to judge and correct an inaccurate threshold adjustment action, and a self-adaptive genetic algorithm is adopted to continuously optimize a multi-dimensional analysis model and an adjustment strategy, so that the recognition capability of the system on serious abnormities such as pipe burst and water leakage is effectively improved, the continuity and safety of direct drinking water supply are guaranteed, and the system is suitable for popularization and application. And the stability and the intelligent level of the whole operation safety guarantee system are obviously improved.

The invention provides a house waterproof maintenance system based on an intelligent detection and self-repairing technology, and the system comprises an intelligent sensing layer which is used for collecting multi-dimensional physical parameters of building waterproof key nodes in real time; the edge calculation analysis layer is used for performing fusion analysis and risk prediction on the perception data; the dynamic self-repairing execution layer is used for triggering a multi-stage repairing mechanism according to an analysis result; the cloud management layer is used for realizing visual management and control and strategy optimization of the whole system, and relates to the technical field of building waterproofing, the building state is monitored in real time through a multi-mode sensing network, water leakage risk prediction is realized in combination with an edge calculation algorithm, and collaborative repair of a microcapsule repair agent, a shape memory alloy grid and an electrodialysis module is triggered; the system remarkably improves the timeliness and reliability of waterproof maintenance, reduces the manual intervention cost, and is suitable for intelligent maintenance of residential buildings, industrial buildings and historical protection buildings.

A pet water dispenser includes a water tank for storing liquid, an upper cover installed above water tank and having a sink and a water leakage opening communicating with water tank in surface, a water pump extending into or onto upper cover from lower part of water tank and having a water supply opening in surface above upper cover; water pump includes a first accommodating chamber internally having a motor which drives pump blades below first accommodating chamber to rotate through a rotating shaft, second accommodating chambers of which walls define a pump chamber with downwards-extended wall of first accommodating chamber; a centrifugal water pump formed by pump blades in pump chamber and matched motor and including a water inlet communicating with water tank, and a water discharging opening; a water supply channel formed by second accommodating chambers sequentially communicating with water discharging opening and water supply opening.

The invention discloses landscaping cultivation equipment, and belongs to the technical field of greening cultivation, the landscaping cultivation equipment comprises a base, the upper side of the base is provided with a water leakage plate, the upper end of the water leakage plate is slidably provided with a plurality of side plates, one end of each side plate is fixedly provided with a first sliding block for sliding, and one side of each side plate is provided with a first sliding groove; the side plates provided with the first sliding blocks are slidably connected with the first sliding grooves in the adjacent side plates, planting cavities used for planting plants are formed among the side plates, grooves are formed in the lower ends of the side plates, adjusting assemblies are installed in the grooves and used for adjusting the positions of the water leakage plates, and a plurality of limiting assemblies are further installed at the upper end of the base. The side plates can automatically move outwards when plants grow, so that the space of the planting cavity is enlarged, the planting pot does not need to be replaced, the situation that the plants cannot adapt to the planting pot due to pot replacement is reduced, the step of pot replacement in the planting process is also reduced, and the planting efficiency is improved. The planting is simpler and more convenient.

The invention discloses an intelligent agricultural water-saving irrigation system and a control method, and relates to the technical field of agricultural irrigation. Comprising the following steps: a land area planning module performs equal-area division on a farmland, sets a detection node array, and monitors water retention conditions of different soil depths; the moisture gradient characterization module calculates the vertical moisture gradient and the direction of the vertical moisture gradient of the evaluation area in real time through edge calculation. And the irrigation water amount correction module fuses and generates a target water-holding capacity based on the leaf stomatal conductance signal and the moisture gradient. The irrigation circulation termination control module uses pulse type infiltrating irrigation, and sets double termination conditions of the water-holding capacity change rate and the permeability. The closed-loop feedback adjustment module detects the soil water content after irrigation, characterizes the water leakage risk and feeds back and adjusts the irrigation water amount, closed-loop control is formed, and effective utilization of water resources is ensured.

The invention relates to the field of image processing, in particular to a fire-fighting equipment fault automatic detection method and system based on image processing, and the method comprises the steps: collecting a plurality of images in a plurality of regions at the same time interval, and carrying out the graying of the images; pixel points are classified according to gradient distribution of gray level images in the area, and corrosion probability parameters of the area are obtained; obtaining a water leakage probability parameter according to the time sequence change of pixel points in the suspected corrosion area; and comparing the change conditions of the pixel points of the suspected corrosion area and the non-suspected corrosion area to obtain a water leakage correction parameter, obtaining a fault early warning parameter by combining the parameters, setting a threshold value, comparing the threshold value with the fault early warning parameter, judging whether a water leakage condition exists or not, and completing automatic fault detection of the fire-fighting equipment. The method can effectively distinguish environment condensate water interference and real leakage, and has anti-noise capability.

The invention provides an axial anti-pulling water-blocking cable, and relates to the technical field of water-blocking cables, a cable core is spirally twisted on a central anti-pulling bearing unit, the central anti-pulling bearing unit is used for bearing main pulling force, and due to the winding mode of the cable core, when the cable core is subjected to pulling force, the cable core can be prevented from being damaged. The cable core can extrude the central tensile bearing unit towards the center so as to obtain a certain extension buffer space, so that the conductor is prevented from being broken, and the liquid foaming agent capsule in the central tensile bearing unit is extruded and broken by utilizing an extrusion force exceeding a limited value; therefore, the first foaming agent in the cable penetrates through the woven central tensile bearing unit to be combined with the second foaming agent in the twisting gap of the cable core, a large amount of foam colloid is generated, a high-stress area, where water leakage possibly occurs, of the cable is pressurized and subjected to leaking stoppage, and active response to water blocking according to local stress sudden change is achieved. Compared with a traditional passive water blocking technology, the response speed is higher, and the water blocking effect is better.

Various embodiments of an insulating container that includes a lid configured for engagement with a housing for water leak protection. The housing and lid each respectively define a first angled surface and a second angled surface. When coupled, the first and second angled surfaces collectively define a shell interference that seals the container to prevent immediate leakage of fluid. Further, the insulating container includes a gasket that contacts a shelf portion of the housing, collectively defining a gasket interference that further seals the insulating container to prevent immediate leak-age.

The utility model relates to the technical field of water heaters, and provides a water path assembly and a water heater, the water path assembly comprises a shell, a thermostatic valve and a water replenishing valve; a water inlet channel, a cold water channel, a water supplementing channel, a hot water channel and a water using channel are formed in the shell, the water inlet channel is used for inputting cold water, the cold water channel and the water supplementing channel are both connected with the water inlet channel, the hot water channel is used for inputting high-temperature hot water, and the water using channel is used for outputting constant-temperature hot water. The cold water path and the hot water path are connected with the input end of the thermostatic valve, and the output end of the thermostatic valve is connected with the water path to output constant-temperature hot water through the thermostatic valve; the water supplementing valve is arranged on the shell and acts on the water supplementing waterway so as to control on-off of the water supplementing waterway. The thermostatic valve and the water replenishing valve are integrated on the shell, so that connecting nodes between the valve body and a pipeline are reduced, water leakage points are further reduced, the water leakage probability of the water path assembly is lower, and a water path system is more stable.

The present invention relates to the technical field of exhaust valves, and specifically to a pneumatically controlled exhaust valve. The pneumatically controlled exhaust valve comprises a housing, a connecting hole being formed in one end of the housing, and an exhaust channel being formed in a side wall of the end of the housing distant from the connecting hole. An exhaust pipe is mounted in the exhaust channel, and a sealing bolt is installed at an end of an exhaust pipe channel close to an outer side wall of the housing. An exhaust hole is provided on the sealing bolt, and an end of the exhaust pipe distant from the sealing bolt is connected to a swing rod by means of a first spring, a sealing gasket being mounted at an end of the swing rod close to the exhaust pipe. A floating block is disposed in the housing, and the swing rod and the floating block are non-reliably connected. The present invention mounts an alarm device on the exhaust valve such that, when the exhaust valve leaks or cannot exhaust, the alarm device gives a prompt to a user to remind the user to clean the exhaust valve, thereby solving the problem of the time taken for limescale to affect the exhaust valve being shorter than a prescribed time for regular cleaning, causing water supply difficulties or leakage in heating pipes.

The utility model provides a heat exchanger tube head welding seam pressure test tool which comprises a shell pass, a connecting piece, a sealing ring and a tube plate. A connecting piece is arranged on one side of the shell pass, a tube plate is clamped on the free side of the connecting piece through a sealing ring, and a through hole is formed in the connecting piece close to the sealing ring and faces the shell pass in a penetrating mode. The shell pass, the connecting piece, the sealing ring and the tube plate are matched with one another, gas or water is blown to the tube plate through the shell pass, part of gas or water extrudes the sealing ring through the through hole to enable the sealing ring to clamp the tube plate, and at the moment, whether the pressure test of the welding seam of the tube head is qualified or not can be determined by observing whether the welding seam of the tube plate and the heat exchange tube leaks gas or water or not. The pressure test can be conveniently and efficiently carried out on the pipe head welding seam.

The invention provides an intelligent water use data acquisition and control method and system and a terminal device, and discloses the intelligent water use data acquisition and control method and system and the terminal device which are suitable for urban water supply and industrial buried pipeline tiny water leakage scenes. A distributed optical fiber acoustic sensor, a temperature measurement sensor, a nano-film vibration sensor array and a high-precision pressure sensor are arranged to collect multi-physical field data; multi-modal data space-time alignment and feature fusion are achieved through multi-scale wavelet transformation and dynamic time warping, temperature interference is eliminated through a long and short term memory-causal network, and space-time features are processed in combination with a Transform network; the particle swarm optimization algorithm constrained based on the Navier-Stokes equation cooperates with the physical information generative adversarial network, high-precision inversion and positioning of the coordinates of the leakage points are achieved, multi-physics field data and an intelligent algorithm are fused, the positioning precision and reliability of the leakage points are improved, and the method has adaptability to pipelines made of different materials.

This invention discloses a tonneau cover for pickup truck, including a rail system, hinge system, cover panel, and clip system. The rail system is connected to the truck bed via the clip system. The cover panel is connected to the rail system and includes multiple panels, which are connected to each other through the hinge system. This invention employs a hinge system to enable relative rotation between panels, and it incorporates compensating rubber strips on the hinge system. The squeezing seal between the compensating rubber and hinge strips enhances the waterproofing at the rotation points, addressing issues of water leakage in the truck cover.

The invention relates to the technical field of color steel plate roofs, in particular to a leakage-proof color steel plate roof connecting structure and a mounting method thereof.By arranging pressing strips and sealing strips, the connecting ends of adjacent color steel plates can be pressed and sealed, so that water seepage at the joints of the adjacent color steel plates is effectively avoided, and the service life of the color steel plates is prolonged. And through the arrangement of the ridge plate, the rubber pressing strip and the water stop strip, the connecting end of the two color steel plate roofs can be sealed, so that the situation of ridge water leakage is prevented, and the use effect is good.

The utility model belongs to the technical field of fish collecting vehicles, and discloses an automatic weighing fish collecting vehicle. The main technical characteristics are as follows: the fish tank comprises a tank body with a fish inlet at the upper part and an advancing wheel carrier positioned below the tank body, advancing wheels are arranged on the advancing wheel carrier, a middle partition plate is arranged in the tank body, water leakage holes are formed in the middle partition plate, a water collecting tank is arranged on a bottom plate of the tank body, and a water outlet is formed in the bottom plate of the tank body. A bottom plate on the periphery of the water collecting tank inclines towards the water collecting tank, a water pump is arranged in the water collecting tank, a water outlet pipe extending out of the box body is arranged on a water outlet of the water pump, a pressure sensor is arranged on the advancing wheel, and a setting panel electrically connected with the pressure sensor is arranged on the outer side of the box body. The fish collecting weight is more accurate, the fish collecting labor intensity is small, the efficiency is high, and the fish collecting cost is greatly reduced.

The invention discloses a novel anti-floating anchor rod. The novel anti-floating anchor rod comprises a bottom anchoring part, a top anchoring part and an anchor cable. The top anchoring part is composed of an anchor backing plate and a working anchorage device, the anchor backing plate is composed of a lower pressure-bearing plate and an upper pressure-bearing cylinder, and the upper pressure-bearing cylinder is provided with a grouting hole. The bottom anchoring part comprises a guide bracket and a bearing plate, the anchor cable is connected with the bearing plate through a sealing locking nut, and the bearing plate is provided with a guide bracket mounting hole, an anchor cable hole and a grouting pipe hole. A waterproof rubber ring is arranged in the sealing locking nut, and the extrusion sleeve is filled with an anti-corrosion medium. A water swelling rubber ring and an isolation support are arranged on the anchor cable, grouting is completed after the anchor cable is tensioned through a grouting hole and a second center hole, and the phenomenon that underground water permeates along gaps of the rod body to cause water leakage is prevented. The invention further discloses a construction method of the novel anti-floating anchor rod. The construction method comprises the following steps of drilling, placing the bottom anchoring part, arranging the waterproof steel sleeve, treating the surface of the anchor cable, placing the lower bearing plate, installing the anchor bearing plate, tensioning the anchor cable and grouting. And through the method of firstly tensioning and then completing grouting, underground water permeation is prevented, and the waterproof performance of the underground structure is improved.

The utility model discloses a pulsating vacuum pressure steam sterilizer which comprises a cabinet body, and a sterilizing chamber is arranged on the inner wall of the cabinet body. According to the pulsating vacuum pressure steam sterilizer, through the arrangement of the cabinet body, the sterilization chamber, the cavity, the steam inlet pipe, the slope and the first electromagnetic valve, when the pulsating vacuum pressure steam sterilizer is specifically used, preheated steam is firstly discharged into the cavity of the cabinet body through the steam inlet pipe to preheat the sterilization chamber, and at the moment, the first electromagnetic valve is in a closed state; preheated steam enters the cavity and then is in contact with the inner wall of the cavity, water drops are generated due to temperature difference, the water drops flow into the groove through the slope to support the floating ball, at the moment, the generated water drops can be discharged through the water leakage groove, the sterilization chamber is preheated through the preheated steam, the first electromagnetic valve is opened after preheating, and the steam enters the sterilization chamber through the input pipe; the defect that the steam sterilization effect is reduced due to the fact that the steam is condensed into water and is adhered to an appliance needing to be sterilized due to the temperature difference between the steam and the sterilization chamber when the steam enters the sterilization chamber can be overcome.

The invention provides a water conservancy irrigation canal with a sundry cleaning structure, and relates to the field of water conservancy irrigation canals, and the water conservancy irrigation canal comprises an irrigation canal main body, a leakage-proof water receiving film, a limiting guide plate, a sliding bearing plate, a power transmission rotating shaft, a position limiting push plate, a sliding mounting seat and a water leakage warning plate; the leakage-proof water receiving film is inserted into the inner side of the irrigation canal main body; the limiting guide plates are fixedly connected to the left and right sides of the irrigation canal main body; the sliding bearing plate is slidably connected to the inner side of the limiting guide plate. The power transmission rotating shafts are rotationally connected to the left and right sides of the irrigation canal body. The position limiting push plate is fixedly connected to the outer side of the power transmission rotating shaft; the sliding mounting base is slidably connected to the upper portion of the irrigation canal body. The water leakage warning plate is fixedly connected to the upper part of the sliding mounting seat; according to the invention, the inconvenience of regular inspection of the water conservancy irrigation canal is avoided, a lot of time is saved, and the inspection efficiency is improved; the problem that the inspection efficiency of the water conservancy irrigation canal is affected due to the fact that the water conservancy irrigation canal needs to be inspected for a long time is solved.

The utility model discloses a glass curtain wall top edge sealing structure which is characterized in that a glass curtain wall is arranged on a main body structure, a parapet wall is arranged on the upper portion of the main body structure, and a top edge sealing assembly connected with the glass curtain wall is arranged on the parapet wall; the top edge sealing assembly comprises a lower edge sealing component, the lower edge sealing component is installed on the top face of the parapet wall in a covering mode and connected with the glass curtain wall, a supporting steel truss penetrating through the lower edge sealing component is vertically installed on the top face of the parapet wall, and an upper edge sealing component is jointly arranged on the top of the supporting steel truss and the top of the glass curtain wall. Therefore, the glass curtain wall protruding out of the parapet wall is pulled and fixed, potential safety hazards of the part, protruding out of the parapet wall, of the glass curtain wall are reduced, edge sealing of the part, protruding out of the parapet wall, of the glass curtain wall is achieved, waterproof measures are enhanced, the waterproof effect is improved, and potential quality hazards of water seepage and leakage are reduced; the structure is simple, construction is easy, and the installation quality of the glass curtain wall is improved.

The utility model belongs to the technical field of speed reducer shell detection, and particularly relates to an anti-leakage speed reducer shell air tightness detection tool which comprises a base, supports and a top plate, the two supports are fixedly connected to the upper surface of the base, a water tank is fixedly connected to the middle of the upper surface of the base, and the faces, close to each other, of the supports are fixedly connected to the two sides of the water tank. The bottom of the top plate is fixedly connected to the upper surface of the support. The detection mechanism comprises a fixing unit and a bubble detection unit; the fixing unit comprises a detection plate, a water leakage hole, a first air cylinder, a fixing block, an electric push rod and a clamping ring. According to the anti-leakage speed reducer shell air tightness detection tool, through cooperation of the fixing unit and the bubble detection unit, air tightness detection of a speed reducer shell can be achieved, the fixing unit ensures the stability of the shell in the detection process, and the bubble detection unit judges the air tightness of the shell by detecting whether bubbles are generated or not; and the detection reliability and efficiency are improved.

The invention discloses an urban water supply pipe network leakage detector and a detection method, and relates to the field of municipal engineering. A leakage detector for an urban water supply pipe network comprises a circular sealing cover composed of two semicircular sealing covers, the circular sealing cover is arranged at a connector between every two water supply pipes in a sleeving mode, and the two semicircular sealing covers are detachably connected through fixing bolts; the semi-circular sealing plate is arranged in the semi-circular sealing cover and is used for blocking a joint between the two water supply pipelines when water leaks; by means of the emergency plugging function, water can be timely prevented from continuously leaking at the initial stage of water leakage at the pipeline connecting position, compared with a traditional mode that only detection is conducted without pretreatment, waste of water resources is greatly reduced, and the urban water saving concept and the efficient utilization requirement of the water resources are met.

The invention discloses a towing operation system and method. The system comprises a towing winch and an anti-loosening device which are arranged on a lower deck in a cabin, and a cable guide device, shark pincers, a stern limiting pin, a height limiting device and a swing stopping device which are arranged on an open-air upper deck; a steel cable and a rope guider are arranged on the towing winch; the anti-loosening device is used for enabling the steel cable to always keep certain tension under the condition that the cable end is not loaded; the cable guiding device comprises a pulley, a pressing wheel and a protective cover, the protective cover covers the cable outlet hole and the pulley, and during operation, the steel cable upwards penetrates out of the cable outlet hole, then bypasses the top of the pulley downwards, penetrates out of the rear side hatch and then bypasses the bottom of the pressing wheel; the height limiting device is used for limiting the height of the point position of the steel cable at the shark pincers; and the oscillation stopping device is used for stopping oscillation of the steel cable. According to the system, the height of a steel cable outlet point can be lowered, water can be prevented from leaking into a cabin from waves on an upper deck, a cable outlet hole is protected against wind and rain, the steel cable can be prevented from being disordered and being scratched with a stern A-shaped frame, and a buoy or a towed ship can be safely replaced under the condition that the steel cable is not unloaded.

The invention discloses a pipe network large circulation system for a direct drinking water pipeline, which is combined with five functional modules, namely an intelligent monitoring module, a water leakage monitoring module, a pressure adjusting module, a health assessment module and an intelligent operation and maintenance module to form a set of integrated pipe network management system based on multi-source perception, intelligent analysis and visual decision. Compared with the prior art, the system has the advantages that the accuracy of pipeline abnormity identification, the positioning efficiency of a water leakage problem, the response timeliness of pressure regulation and the scientificity of health assessment are remarkably optimized, and meanwhile, data-driven pipe network full-life-cycle management is realized through an intelligent operation and maintenance means. On the whole, the system has remarkable technical progress and application value in the aspects of improving the intelligent level of an urban water supply system, guaranteeing water supply safety and operation economy and the like.

The invention relates to the technical field of coal ash reduction and chlorine removal, and provides a dense-medium shallow-slot separation ash reduction and leaching chlorine reduction joint production device and a production process, a separation piece is provided with an overflow port, and the overflow port is used for conveying clean coal; a frame; the conveying part is arranged on the rack, is positioned below the overflow port and is used for conveying clean coal; the first storage bucket is rotationally arranged on the rack, and the first storage bucket is provided with a plurality of first water leakage holes; the second storage barrel is arranged on the rack and located in the first storage barrel, the conveying part leads to the second storage barrel, the second storage barrel is provided with a second water leakage hole, after the first storage barrel rotates, the first water leakage hole is communicated with or canceled from the second water leakage hole, and after the first water leakage hole is canceled from the second water leakage hole, the second storage barrel is used for storing water and clean coal; the first water leakage hole and the second water leakage hole are communicated and then used for discharging water. By means of the technical scheme, the problem that in the prior art, the heavy medium shallow groove separation ash reduction and chlorine removal effect is poor is solved.

The invention relates to the technical field of sealing valves, and discloses a sealing valve casting with an anti-blocking structure, an anti-blocking mechanism used for filtering impurities in water flow is detachably mounted in a water inlet mechanism, and limiting mechanisms used for fixing the anti-blocking mechanism left and right are arranged on the two sides of the water inlet mechanism. The two sides of the upper end of the water inlet mechanism are provided with pressing and fixing mechanisms which are used for fixing the anti-blocking mechanism up and down and can slide, the pressing and fixing mechanisms are located above the limiting mechanism, the anti-blocking mechanism can be rapidly disassembled and assembled, water flowing through the interior of the water inlet pipe is filtered through a filter plate, and therefore the water inlet pipe is prevented from being blocked. Through cooperation of the limiting mechanism and the pressing and fixing mechanism, the insertion plate can be fixed in all directions, deformation of the insertion plate caused by water flow impact is prevented, the insertion plate is prevented from being jacked up, the sealing and filtering effects are improved, a blocking disc can be matched with an extension spring to block a guide groove, and the water leakage probability is reduced.

A roof structure and a building comprising same. The roof structure comprises a gutter structure (10), roof panels (20) and a waterproof covering sheet (30). The gutter structure (10) comprises a bottom wall (11), and an inner side wall (12) and an outer side wall (13) respectively connected to two ends of the bottom wall (11); the side of the upper portion of the inner side wall (12) distant from a gutter is bent to form a fixed wall (14). The roof panels (20) are located above the fixed wall (14); the fixed wall (14) is fixedly connected to the inner side surfaces of the roof panels (20); and the end of the roof panels (20) facing the gutter structure (10) does not intersect with the plane where the inner side wall (12) is located. The waterproof covering sheet (30) extends in the extension direction of the gutter structure (10) and extends from the outer side surfaces of the roof panels (20) to the surface of the inner side wall (12); and the waterproof covering sheet (30) is sealedly connected to the outer side surfaces of the roof panels (20) and the surface of the inner side wall (12), separately. Water seepage and water leakage between the roof panels (20) and the gutter structure (10) can be prevented, thereby improving the waterproofness of the roof structure.

The invention belongs to the technical field of hydraulic engineering, and discloses a hydraulic engineering flood prevention water retaining device which comprises a water retaining plate, butt joint mechanisms arranged on the two sides of the water retaining plate and a water guide mechanism installed in the water retaining plate, a reinforcing mechanism is arranged on the side, adjacent to the butt joint mechanisms, of the water retaining plate, and an anti-skid pad is installed on the lower surface of the water retaining plate; the butt joint mechanism comprises a fixed plate and a butt joint block which are fixedly connected to the two sides of the water baffles, through the design of water baffle sealing, sealing rubber strips and the butt joint mechanism, the position of a movable plate is adjusted through a locking bolt, then the butt joint block is clamped by two sets of prisms, the adjacent water baffles are spliced, the sealing rubber strips extrude each other during splicing, and therefore the sealing effect is achieved. The sealing rubber strip effectively enhances the sealing performance of the butt joint position of the water baffles, and the water leakage phenomenon is prevented to a great extent. And the trapezoidal water tank scientifically guides water flow, so that accumulated water is prevented from generating extra pressure on the water baffle, and the service life of the water retaining device is prolonged.

The utility model belongs to the technical field of wall water seepage testing, and particularly relates to an outer wall water seepage testing device for engineering supervision, which comprises a base, an L-shaped plate fixed at the right end of the base, a portal frame fixed at the upper end of the L-shaped plate, a screw rod rotationally assembled on the rear side of the portal frame, a driving component arranged on the screw rod and a sliding block in threaded connection with the screw rod, the right side of the sliding block is connected with an abutting shell, a water leakage groove is formed in the lower end of the abutting shell, and a water receiving box located on the lower side of the abutting shell is installed in the L-shaped plate. The spraying height can be adjusted, clean water can be prevented from splashing by arranging the abutting shell, water flows downwards into the water receiving box through the water leakage groove to be collected, the water in the water receiving box is pumped into the water storage tank again by arranging the water pump, recycling is achieved, and water resources are saved.

The utility model belongs to the technical field of basement leakage prevention, and particularly relates to a basement raft leakage prevention structure in a campus. Comprising an anchor rod pile, an anti-floating anchor rod is vertically arranged in the anchor rod pile, a waterproof layer is arranged at the top of the anchor rod pile, a concrete cushion layer is arranged on the periphery of the waterproof layer, and a first waterproof rubber sleeve is arranged at the position, located outside the anti-floating anchor rod, of the top of the waterproof layer; a waterproof coiled material is arranged between the first waterproof rubber sleeve and the second waterproof rubber sleeve, the periphery of the waterproof coiled material extends to the upper surface of the concrete cushion layer, the first waterproof rubber sleeve is filled with asphalt waterproof factice, the anti-floating anchor rod is sleeved with a sealing strip, and a structural bottom plate is arranged at the top of the concrete cushion layer. The first waterproof rubber sleeve is filled with the asphalt waterproof factice, and the position, corresponding to the upper surface of the asphalt waterproof factice, of the anti-floating anchor rod is sleeved with the sealing strip, so that the problem that underground water leaks along the anti-floating anchor rod can be effectively solved.

The invention discloses a power cable traveling wave fault detecting and positioning device and a using method thereof.The power cable traveling wave fault detecting and positioning device comprises a cable, a first fixing sleeve and a second fixing sleeve are fixedly installed on the cable, a shell is fixedly installed on the first fixing sleeve and the second fixing sleeve, the cable penetrates through the shell, and the power cable traveling wave fault detecting and positioning device further comprises a dehumidifying mechanism, and the dehumidifying mechanism comprises a mounting frame fixedly mounted in the shell, a water leakage groove is formed in the shell, the cable is rotationally sleeved with a transmission hollow rod, and the right end of the transmission hollow rod is rotationally connected with a first fixing sleeve. According to the invention, after the transmission rod leaves the trapezoidal plate, the extrusion filter plate is driven to leave the water absorption sponge under the elastic force action of the dehumidification spring, so that the reciprocating extrusion filter plate continuously extrudes the water absorption sponge to ensure that the water absorption sponge cannot normally dehumidify due to excessive moisture, thereby affecting the fault of electronic components in the shell; therefore, the device cannot work normally.