927results about "Sewer systems" patented technology

The utility model belongs to the technical field of pipelines, and particularly relates to an anti-leakage detection device for a municipal road drainage pipeline, which comprises a body, sealing structures are symmetrically arranged on two sides of the body, and the sealing structures can be attached to the inner wall of a drainage pipe; the driving wheel is arranged below the body and is used for driving the device to move in the drainage pipe; the air supply assemblies are arranged on the two sides of the body and used for sealing air pressure between the structures; the auxiliary structures are uniformly distributed at the outer end of the sealing structure in the circumferential direction and are symmetrically arranged front and back; wherein an air pressure sensor is arranged on the body and used for detecting the air pressure between the sealing structures when the device works. The effects of improving the detection accuracy and avoiding the missing detection phenomenon are achieved.

The invention discloses a municipal pipeline desilting device, and relates to the technical field of pipeline desilting, and the municipal pipeline desilting device is technically characterized by comprising a main body, mounting brackets are symmetrically mounted on the inner wall of the main body, a desilting mechanism is arranged on the mounting brackets, a walking mechanism is arranged on the outer circular surface of the main body, and the desilting mechanism comprises a sludge crushing assembly, a pipeline inner wall cleaning assembly and a power assembly; and the sludge crushing assembly comprises a linkage column which is rotationally connected to the inner side of one of the mounting supports and penetrates through the mounting supports, and a drill bit is fixedly mounted at the end, located on the outer side of the main body, of the linkage column. The efficient and comprehensive cleaning of the sludge on the inner wall of the pipeline is achieved, the problems of a traditional dredging device in the aspects of sludge caking treatment and incomplete cleaning are solved, and a powerful guarantee is provided for long-term smoothness of municipal pipelines and healthy operation of cities.

The invention relates to a continuous-navigation tide gate chamber constructed on a soft soil foundation and a construction technology of the tide gate chamber. The tide gate chamber comprises a gate chamber bottom plate, a gate, gate piers and prefabricated pile foundations. The precast pile foundation is fixed below the lock chamber bottom plate, the lock chamber bottom plate comprises a bottom sill, and a gate and a gate pier are installed above the lock chamber bottom plate; the gate is positioned between the bottom sills; the gate piers are located on the two sides of the gate. The construction technology of the large-scale floating type steel box door comprises the steps of early-stage calculation, prefabrication of a single prefabricated bottom plate, installation of the prefabricated pile foundation, installation of the lock chamber bottom plate and the gate piers and installation of the gate, the prefabricated pile foundation, the prefabricated formwork and the cast-in-place bottom plate of large-size underwater cast-in-place concrete form an integral structure, and the large-scale floating type steel box door is placed on the lock chamber bottom plate; the cofferdam-free overwater construction is realized, the construction time is shortened, and the cofferdam-free overwater tide gate chamber structure is suitable for constructing tide gates in large estuary regions in a continuous navigation manner.

The utility model discloses a tank cover opening and closing locking control system and a sewage suction truck, the control system comprises an oil supply device, a locking hydraulic device and an opening and closing hydraulic device, an oil inlet of a locking reversing valve of the locking hydraulic device is communicated with the oil supply device; a locking working oil port of the locking reversing valve is communicated with rodless cavities of the first locking oil cylinder and the second locking oil cylinder respectively, an unlocking working oil port of the locking reversing valve is communicated with rod cavities of the first locking oil cylinder and the second locking oil cylinder respectively, and the first locking oil cylinder is provided with a damping body for delaying action of the oil cylinders. An oil inlet of an opening and closing reversing valve of the opening and closing hydraulic device is communicated with the oil supply device, and an opening working oil port and a closing working oil port of the opening and closing reversing valve are communicated with a rodless cavity and a rod cavity of an opening and closing oil cylinder in a one-to-one correspondence mode respectively. When the unlocking action of the first locking oil cylinder is in place, the opening and closing reversing valve is switched to the opening working oil port to be communicated with the opening and closing oil inlet, and the damping body is additionally arranged, so that the sequence reliability of the opening, closing and locking actions of the tank cover is guaranteed in the unlocking and uncovering process.

A downspout end cover protects and closes a lower end of a cylindrical rain gutter downspout assembly. The cover includes a body that forms a continuous hollow channel for passage of collected rainwater. An aperture at the back of the body is sized to attach to the downspout, and a front cylindrical or oval aperture emits collected rainwater. A door is rotatably attached to the front of the body at a top of the front of the body by a hinge and when closed, prevents entry of animals, insects or blown debris. The front of the body may be sloped and the door may rest against an inset ledge that protects the door and seals the downspout end cover against entry of insects and preventing detachment of the door from the body. The hinge may be offset from the back surface of the door by an arm.

The invention provides an underground water purification plant pool wall underwater repair isolation device and a water-carrying repair construction method thereof. The device comprises a vacuum suction cup system, an isolation bin, a harmful gas monitor, a water pumping device and a monitoring terminal. The top face of the isolation bin and the side face facing the pool wall of the underground water purification plant are hollowed out, the suction cup part of the vacuum suction cup system is arranged on the outer edge of the hollowed-out side face of the isolation bin, and the negative pressure and filtering part of the vacuum suction cup system is arranged outside a treatment pool of the underground water purification plant. The negative pressure and filtering part of the vacuum chuck system is communicated with the chuck part of the vacuum chuck system; the harmful gas monitor is arranged in the isolation bin and is in wireless communication connection with the monitoring terminal; the water pumping end of the water pumping device is arranged in the isolation bin. According to the device, the life safety of underwater constructors can be guaranteed.

The invention provides a low-interference drainage pipeline defect and state automatic detection device and method, and relates to the technical field of defect detection.The low-interference drainage pipeline defect and state automatic detection device comprises an inspection detection system and two fixed detection systems, and each fixed detection system comprises a semicircular-arc-shaped pipe wall fixing structure, a fixed detection transmission control system and a plurality of first laser probes; the fixed detection transmission control system is installed on the pipe wall fixing structure, the multiple first laser probes are installed at different positions of the pipe wall fixing structure respectively, and the multiple first laser probes are connected with the fixed detection transmission control system; the inspection detection system comprises an inspection track and an inspection robot, the inspection robot comprises an inspection robot carrier, a robot controller and a plurality of second laser probes, the plurality of second laser probes are respectively mounted at the top and the bottom of the inspection robot carrier, and the inspection robot carrier moves along the lower surface of the inspection track in a hoisting manner. According to the invention, various defects can be detected when the drainage pipeline is in normal operation and drainage.

The utility model discloses a multifunctional emergency drainage recovery vehicle which comprises a vehicle body, a crane, a vehicle-mounted water pump, a remote drainage robot and a water hose winding and unwinding mechanism are carried on the vehicle body, and the remote drainage robot comprises a crawler-type walking chassis and a drainage pump installed on the crawler-type walking chassis. The water hose winding and unwinding mechanism comprises at least one mounting frame, at least one water hose and at least one driving assembly, at least one reel is rotationally mounted on the mounting frame, the water hose is wound around the reel, and the driving assembly is in transmission connection with the reel so that the water hose can be unwound or wound. According to the utility model, the crane can hoist the crane-loaded water pump to environments such as a dam, a bridge, a deep well and the like to take water or drain water through the crane, and the crawler-type walking chassis carries the drainage pump to realize long-distance drainage in complex terrains, so that the applicability is high.

The efficient self-balancing emergency water guiding device comprises a water tank, a water adding device and a control device, the water adding device comprises a water supplementing pipe and a water pump, the water tank is provided with a water inlet connected with one end of the water supplementing pipe, and the other end of the water supplementing pipe is connected with the water pump stretching into any drainage well; at least one automatic drainage device is arranged below the water tank, the automatic drainage device comprises a T-shaped electric three-valve group, a water suction pipe extending into the high-water-level drainage well and a drainage pipe extending into the low-water-level drainage well, and the T-shaped electric three-valve group comprises a three-way valve seat, a first electric valve, a second electric valve and a third electric valve; a water outlet connected with a connector C of the three-way valve seat is formed in the bottom of the water tank, a connector A of the three-way valve seat is connected with the water suction pipe, a connector B of the three-way valve seat is connected with the drainage pipe, and each drainage well is provided with a water level sensor. The automatic drainage device is used for drainage of the municipal drainage well, automatic drainage is achieved in a siphon mode, electric energy is saved, and the automatic drainage device is mute and has good universality and practicability.

The invention belongs to the related technical field of pipe network leakage detection, and provides a comprehensive detection method and system for leakage of an underground sewage pipe network in an industrial park in order to solve the problems that existing pipe network leakage detection is inaccurate, large-area detection is difficult and the like. Performing inversion on the acquired data by adopting prior constraint, and judging a detection section of suspected leakage abnormity according to a resistivity profile; further detecting the detection section with the suspected leakage abnormity by using a high-density resistivity method and an induced polarization method, refining a grid based on an electromagnetic method result and prior information, introducing directional smooth constraint and minimum gradient support to perform inversion constraint on acquired data, and positioning a leakage area; sampling to judge the authenticity of the leakage of the detected area, and peeping, measuring and positioning the leakage area through the pipeline robot; and rapid identification and delineation of the pipe network leakage risk area of the industrial park are realized through cooperation of multiple methods.

A backwater valve has a hollow valve body having an inlet and an outlet, and a valve member pivotally movable about a pivot axis disposed above the inlet. The valve member pivots between an open position in which the valve member is away from the inlet and a closed position in which the valve member closes the inlet. A cam is rotatably mounted above the inlet. The cam has a first rotary position in which the valve member is permitted to move to the open position and a second rotary position in which the cam engages the valve member to secure the valve member in the closed position. With the valve member in the open position, the cam pushes the valve member toward the close position as the cam moves toward the second rotary position.

To provide a dirt removal device capable of reducing the size of a sewage inlet while preventing the backflow of gas from the sewage inlet.SOLUTION: A disclosed dirt removal device includes: a sewage inlet with an opening in the top; a lid to cover the opening of the sewage inlet; a tubular inlet tube attached to the lid and is connectable to the sewage inlet via a suction hose in the discharge outlet of the sewage storage tank of a railway vehicle; and a check valve attached to the inlet tube. The check valve includes: a shaft body; an opening / closing lid rotatable on a shaft body, which is rotatable between a first rotation position closing the lower end of an inlet tube and a second rotation position opening the bottom end of the inlet tube; and a balance weight that is attached to the opening / closing lid and configured so as to, when the force applied from inside the inlet tube to the opening / closing lid is less than a first threshold, position the opening / closing lid in the first rotation position, and when the force applied from inside the inlet tube to the opening / closing lid is greater than or equal to a second threshold, which is greater than the first threshold, position the opening / closing lid to the second rotation position.SELECTED DRAWING: Figure 2

To suppress danger in construction work and deterioration in workability by reducing flow passage obstruction in a sewer and an influence of a large pipe diameter with respect to a fixing jig for a sensor which measures information from the pipe bottom of the sewer.SOLUTION: A fixing jig 20 for a sensor comprises an arcuate jig body 21 fitted with a water level sensor 22, guide holes 25a, 25b formed on both sides of the jig body 21, and fixtures 23a, 23b and 24a, 24b for fitting both sides to an inner wall 3a of a sewer 3. Anchor bolts 28 embedded in the inner wall 3a of the sewer 3 are inserted into through holes 27 and guide holes 25a, 25b of the fixtures 23a, 24a and fastened with nuts to fix the fixing jig 20 to the inner wall 3a.SELECTED DRAWING: Figure 2

The utility model relates to the field of cleaning tools, and discloses a rainwater gutter garbage cleaning device which can be matched with the shape of the bottom of any arc-shaped rainwater gutter to ensure that garbage at the bottom of the gutter can be efficiently and thoroughly removed, so that the cleaning efficiency is improved, the sanitation and safety of a production environment are ensured, and finally the production quality and the working efficiency of a whole pharmaceutical enterprise are improved. The device comprises a handheld part and a collecting part, the handheld part is in a vertical stick shape, one end of the handheld part is connected with the collecting part, the collecting part comprises an arc-shaped bottom plate and a back plate, the rear end of the arc-shaped bottom plate is connected with the back plate to form a collecting cavity used for containing garbage in the rainwater gutter, and the arc-shaped bottom plate is configured to be attached to the arc-shaped bottom of the rainwater gutter. The radian from the front end to the rear end of the arc-shaped bottom plate is gradually increased, the arc-shaped bottom plate is flexible, an inclined plane is arranged at the front end of the arc-shaped bottom plate, and the inclined plane is configured to assist in shoveling garbage in the rainwater gutter when the collecting part moves in the axis direction of the rainwater gutter.

A flexible elongate member has at least one optical sensing fiber and is configured to be at least partially submerged or float in waste fluid inside a sewage pipeline or channel for obtaining distributed measurement data along the waste fluid flow. An apparatus is for use in obtaining distributed measurement data from a sewage pipeline or channel. The apparatus has a flexible elongate member in and deployment means for deploying the flexible elongate member in the waste fluid of the sewage pipeline or channel. Furthermore, a method is for obtaining distributed sensor measurements along a sewage pipeline or channel and a method is for deploying a flexible elongate member in a sewage pipeline or channel.

The utility model relates to the technical field of drainage channel cleaning, in particular to a drainage channel cleaning device which comprises a handle and a mounting plate, and the handle is rotatably connected with the mounting plate. The lower side of the mounting plate is connected with a first fixing plate and a fixing plate telescopic assembly; the first fixing plates and the fixing plate telescopic combination bodies are alternately arranged in the longitudinal direction of the mounting plate. Each set of fixing plate telescopic combination body comprises two telescopic fixing plates, and the two ends of the two telescopic fixing plates are connected through telescopic assemblies. The two telescopic fixing plates stretch out and draw back in the transverse direction of the mounting plate through stretching out and drawing back of the telescopic assemblies; the fixing plate telescopic combination body is connected with the mounting plate through the telescopic assembly; wiping cotton or absorbent cotton is detachably arranged on the bottom surfaces of the first fixing plate and the telescopic fixing plate. The device has the advantages of flexibility in adjustment, high applicability, convenience and high efficiency in operation and the like.

The invention belongs to the technical field of pipeline inspection robots, particularly relates to an intelligent inspection robot for a drainage pipe network and a use method of the intelligent inspection robot, and aims to solve the problems that existing sludge hinders the robot from moving forwards and a camera is blocked by sewage and sludge, according to the scheme, the intelligent inspection robot comprises a moving vehicle, and the camera is fixed to the top of the moving vehicle; the water drainage pipeline inspection device comprises a mobile vehicle and is characterized in that the mobile vehicle is used for inspecting a water drainage pipeline, a sludge guide channel is formed in the mobile vehicle, a rotating disc is rotatably connected to one side of the mobile vehicle and is used for discharging sludge into the sludge guide channel, and an auger is rotatably connected to the interior of the sludge guide channel and is used for discharging the sludge to the outside. The rotating disc can scatter sludge on a forward road and discharge the sludge into the sludge guide channel, the auger and the sewage discharge hose are matched to uniformly spray the sludge in the sludge guide channel on the inner wall of a pipeline, the situation that the sludge is accumulated again to hinder return of the moving vehicle is avoided, and sewage can flow back into the sludge guide channel in the process of washing the glass protective cover.

A multifunctional construction site cleaning robot and a cleaning method using the same are provided. The robot includes a chassis part; a bottom rotatable function part, including a sweeper unit, an iron remover unit, a leaf remover unit and a cutter unit; a debris treatment part, including a compression unit, a debris container and a pulverizing unit; a container exchange part, including a movable gripper unit and openable containers, the openable containers being configured to contain sundries collected by the sweeper unit and the iron remover unit; a spray part, configured to prewet or dedust a construction site; and a water transfer part, including an extensible water discharging unit and an extensible water pumping unit, the extensible water discharging unit being configured to pump accumulated water, and the extensible water pumping unit being configured to pump accumulated water from a bottom of a pit to the ground.

The utility model discloses an algae suction device for a sedimentation tank, which comprises a track arranged in the sedimentation tank and a sludge discharge vehicle advancing along the track, and further comprises a collecting assembly, a water tank, a water pump, a water pump and an algae suction device, and the collecting assembly is suitable for collecting floating objects in the sedimentation tank; the lifting assembly is arranged on the sludge discharging vehicle, and the output end of the lifting assembly is connected with the collecting assembly so as to drive the collecting assembly to move in the vertical direction; one end of the algae discharging pipe is communicated with the collecting assembly, and the other end of the algae discharging pipe is communicated with the outside so that the floating objects collected by the collecting assembly can be discharged outwards. The sedimentation tank is simple in structure, and floating objects in the sedimentation tank are cleaned by additionally arranging the collecting assembly moving along the surface layer of the water surface, so that the burden of tank surface cleaning workers is relieved, and the phenomenon that the filter tank is blocked can be avoided.

The present invention discloses a mud discharge device for a water tank used for mining, comprising a water tank body, a dilution mechanism for diluting sludge is arranged at the top of the water tank body, a first motor is fixedly arranged at one side of the water tank body, a first fixed block is fixedly arranged inside the water tank body, and a first chute is opened at the lower end of the first fixed block. The first motor of the present invention drives the first screw to rotate, so that the first slider moves along the inside of the first chute through the first screw, drives the second fixed block to move, and thus drives the sludge pump to move, and starts the second motor, the second motor drives the second screw to rotate, so that the second slider moves along the inside of the second chute through the second screw, drives the sludge pump to move, and facilitates the comprehensive cleaning of the sludge at the bottom of the water tank body, so that no manual cleaning is required during cleaning, and the mechanical cleaning efficiency is higher than the manual cleaning efficiency, thereby improving the cleaning efficiency and facilitating the rapid use of the water tank body.

The utility model relates to a pipeline deodorization device which comprises a water tank, a condensate water inlet pipe, a mounting pipe, a breather pipe and a water adding pipe are inserted into the upper end of the water tank, an electromagnetic valve is further arranged on the water adding pipe, a rubber plug is inserted into the upper portion of the mounting pipe in a sealed mode, and two wires are inserted into the rubber plug in a penetrating mode; the lower ends of the two wires are respectively connected with a high water level probe and a low water level probe; the high-water-level probe and the low-water-level probe are connected with a controller through wires, the controller is further connected with an electromagnetic valve through a connecting wire, and a water outlet pipe for draining water is inserted in the middle of the outer side of the water tank. According to the structure provided by the embodiment of the invention, when the air conditioner is not used, water can be supplemented into the water tank in time, so that odor of a sewer is prevented from entering the condensate pipe; the outer side of the blocking frame can block the inlet of the water outlet pipe, so that a large amount of unpleasant odor in the sewer is prevented from entering the water tank, and meanwhile, a large amount of bacteria in the sewer can be prevented from entering the water tank.

The invention provides an underground pollution discharge traceability device, and belongs to the technical field of underground pollution discharge. Comprising a ball body, driving mechanisms are arranged at the inner bottom of the ball body at equal intervals, a buoyancy adjusting mechanism is arranged at the inner upper end of the ball body, and the bottom of the buoyancy adjusting mechanism penetrates through the ball body. A first motor is started to drive a gear to be meshed with an arc-shaped rack, a shielding arc plate is promoted to slide in an empty groove and an arc-shaped groove, opening and closing of the empty groove are flexibly controlled, a ball floats in an underground drainage channel, and the gravity center of the ball is stabilized at the bottom through a load sensor so as to be kept stable; the first motor is started to open the empty groove and drive the adjusting assembly, then the second motor drives the lead screw, the sliding plate drives the miniature spiral propeller to extend out of the empty groove, the flowing direction of the ball can be changed, the ball can be pushed during stranding, and when adjustment is not needed, the driving mechanism is contained in the empty groove, the surface of the ball is smooth, and the ball can drift back in the underground drainage channel conveniently.

[Problem] To more efficiently predict the water level in a manhole. [Solution] Provided is a method for optimizing the arrangement of water level gauges, the method including: a data acquisition step for acquiring water level data items acquired by respective water level gauges provided in a plurality of manholes in a predetermined area; a classification step for classifying the plurality of manholes into one or more clusters by clustering the water level data items; and a determination step for determining one or more representative manholes for each cluster from the plurality of manholes included in the one or more clusters.

The invention relates to the technical field of municipal engineering, in particular to a sewer plugging device. According to the technical scheme, the sewer plugging device comprises an inflatable air bag, a sliding cylinder structure capable of relatively sliding front and back, an umbrella-shaped supporting frame and a fixed supporting piece, the inflatable air bag is fixedly arranged at the front end of the sliding cylinder structure, and the umbrella-shaped supporting frame is in driving connection with the sliding cylinder structure; the fixed supporting piece is fixedly arranged at the tail end of an outer supporting rod of the umbrella-shaped supporting frame. The device has the beneficial effects that the whole structure does not need to utilize power mechanisms such as electric power or hydraulic power mechanisms and can effectively adapt to the underwater operation environment.

A system and method for measuring or for estimating flow or flowrate of a fluid, including wastewater inflow or infiltration, using non-contact depth-based flow measurement, including: receiving a depth sensor signal from an ultrasonic depth sensor positionable over a manhole channel above an outgoing pipe's crown; receiving a temperature signal from a temperature sensor positionable within the manhole channel; receiving one or more data input signals; calculating a distance to a surface of the fluid based on the received depth sensor signal; and determining a depth of the fluid in the manhole channel based on the calculated distance. Flow velocity may be calculated using Manning's equation or the Hazen-Williams equation, with flow rate subsequently determined using the continuity equation. Alternatively, flow velocity and flow rate may be estimated using a machine learning model trained on simulated or historical time-series data of flow rate, flow velocity, and flow depth, along with pipe attributes, to generate real-time flow estimates based on current and prior flow depth measurements.

The pipe network pump station desilting robot of the double-flow-channel suction pump structure comprises a robot shell body, a mounting support is fixedly mounted at the bottom of the robot shell body, a variable-frequency speed regulator is fixedly mounted on the outer side of the mounting support, crawler wheels are arranged on the inner side of the variable-frequency speed regulator, and the crawler wheels are fixedly mounted on the outer side of the mounting support. A double-flow-channel suction pump assembly is arranged on the outer side of the robot shell body, and a self-adaptive adjusting assembly is arranged on the outer side of the robot shell body. According to the pipe network pump station dredging robot of the double-flow-channel suction pump structure, by arranging the double-flow-channel suction pump assembly, a strong negative pressure suction environment can be formed, the sludge adhesion amount can be reduced, efficiency reduction caused by reduction of the cross section of the flow channel is avoided, the negative pressure strength of the main suction flow channel is supplemented, the air suction phenomenon is avoided, the self-adaptive adjusting assembly is arranged, and a pressure sensor monitors the main suction flow channel in real time; closed-loop control of blocking early warning, active intervention and risk elimination is achieved, a visual monitoring assembly is arranged, the equipment fault maintenance frequency is reduced, and the operation efficiency is improved.

The utility model belongs to the technical field of pavilions, and particularly relates to a top drainage structure of a pavilion, which comprises a pavilion base, a hollow pavilion top cover, a plurality of hollow support columns, a cleaning component, a driving component and a transmission component. A plurality of supporting columns are fixedly installed between the pavilion base and the pavilion top cover and arranged in parallel, the supporting columns are communicated with an inner cavity of the pavilion top cover and penetrate through the pavilion base, a plurality of water outlets and a plurality of slag outlets are formed in the pavilion top cover, and the water outlets and the slag outlets incline inwards. The pavilion top drainage device is reasonable in design and easy and convenient to operate, the pavilion top drainage effect can be effectively improved, meanwhile, through matched use of the driving assembly, the transmission assembly and the cleaning assembly, the rapid cleaning effect can be achieved in a simple manual intervention mode, sundries such as fallen leaves are prevented from blocking a drainage opening and a slag discharging opening, and the service life is prolonged. And the drainage and deslagging effects of the pavilion are improved.

The utility model relates to the technical field of electric sewage suction trucks, and discloses an adjustable sewage suction arm for an electric sewage suction truck, which comprises a lower base and an upper supporting seat, and further comprises a rotating assembly which is arranged on the lower base and is used for driving the upper supporting seat to rotate, a sewage suction assembly is arranged on the upper supporting seat, the rotating assembly comprises a first motor, a first gear, a fluted disc, a square rotating shaft and a square rotating disc, the first motor is mounted at the top end of the lower base, the first gear is mounted at the output end of the first motor, the fluted disc sleeves the square rotating shaft through a square sleeve and is meshed with the first gear, and the square rotating disc is mounted at the top end of the lower base through a fixing shaft. One end of the square rotating shaft is connected with the square turntable far away from the fixed shaft end, and the other end is connected with the upper supporting seat.

The utility model is suitable for the technical field of cut-off devices, and provides a cut-off device for water supply and drainage. The cut-off assembly comprises a baffle ring arranged in the pipeline, a middle plate is arranged on the baffle ring, cut-off plates are rotatably arranged on the two sides of the middle plate, a first rotating shaft is rotatably arranged on one side of the middle plate, the first rotating shaft is rotatably sleeved with a first sleeve shaft, two first sliding blocks are arranged on the first sleeve shaft, and push plates are arranged on the two sides of the first sleeve shaft; a second rotating shaft is rotationally arranged on one side of the first rotating shaft, a rope shaft wound with a plurality of connecting ropes is rotationally arranged in the middle of the second rotating shaft, the connecting ropes are connected with the two intercepting plates, the second rotating shaft is rotationally sleeved with a second sleeve shaft, the second sleeve shaft is provided with a second sliding block, and the second sliding block is provided with a fixing disc; end plates are arranged at the two ends of the rope shaft, and bolts are arranged on the end plates. Therefore, according to the utility model, not only can the intercepting function be realized, but also the flow adjusting function can be realized, and the intercepting plate can be fixed.

The utility model discloses a joist barrow type suction dredger which comprises a settling pond, the bottom of the track is fixedly connected with the top of the sedimentation tank; the bottom of the joist barrow body is in sliding connection with the top of the track; the outer wall of the stepping motor is fixedly connected with the top of the joist barrow body through a rack; the top of the blow-off pipe is fixedly connected with the bottom of the joist barrow body; the bottom of the pollution discharge mechanism is in sliding connection with the inner wall of the bottom of the sedimentation tank; the utility model relates to the technical field of suction dredgers, in particular to a quick connection mechanism, which is characterized in that a sewage discharge mechanism is arranged, a separation shell slides in a sedimentation tank to loosen stubborn sludge at the bottom of the sedimentation tank, then a sludge scraping shell rotates at a high speed to roll the sludge into the sludge scraping shell, and the sludge is discharged upwards to the top of a fixed pipe under the rotation of a screw rod. And then the sludge is discharged to the outside through the blow-off pipe. The purpose of the truss type suction dredger is achieved.