Drainage device for construction works

Abstract

The application discloses a kind of construction engineering drainage devices, it is related to water supply and drainage field, including drainage tank, sludge tank located in one side, the inside of drainage tank is divided into sedimentation chamber and drainage chamber by partition, processing mechanism is located in drainage chamber, the inner top of drainage tank is overlapped with inclined plate, inclined plate is located at drainage chamber and is provided with through slot, the top of partition is fixedly connected with the lower surface of inclined plate, filter screen is installed on the partition near inclined plate, the inside of sludge tank is equipped with collection tank, and the outer wall of one side of collection tank is provided with internal tooth;Processing mechanism is composed of reverse cleaning assembly, transmission assembly and support plate, the application is deposited by being provided with cavity, so that sludge in sewage can be deposited in cavity bottom, greatly reduce the possibility of subsequent drainage pipeline blockage, upper layer sewage is filtered into discharge chamber through filter screen, realize the preliminary filtration and purification of sewage, reduce the difficulty and load of subsequent sewage treatment, reduce the blockage caused by impurities to filter screen.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water supply and drainage, in particular to a drainage device for construction engineering. BACKGROUND

[0002] The drainage device for construction engineering refers to the equipment used for collecting, transporting, processing and discharging rainwater, sewage and other wastewater in various construction projects. It plays an important role in building engineering, can effectively drain accumulated water, prevent water damage to buildings and construction sites, and also helps the rational use of water resources and environmental protection.

[0003] A drainage device for construction engineering described in the prior art comprises a sunken drainage tank, a water inlet pipe, a large drainage pipe, an electromagnetic valve, a water collecting tank, a filter screen one, a control mechanism, an anti-backflow structure and a drainage assisting mechanism. The sunken drainage tank is uniformly and spacedly connected with multiple water inlet pipes, the water inlet pipes are connected with other drainage pipes, the sunken drainage tank is connected with the water collecting tank inside, the bottom of the sunken drainage tank is connected with the large drainage pipe, the large drainage pipe is provided with the electromagnetic valve, the left lower part of the water collecting tank is embeddedly installed with the filter screen one, and the water collecting tank is provided with the control mechanism for controlling the opening and closing of the electromagnetic valve.

[0004] The above technology can block the water inlet pipe by the blocking plate to prevent the water from flowing back to the water inlet pipe and then to the sewage drainage pipe when the sunken drainage tank is filled with water, thereby preventing the backflow of sewage. However, the filter screen one is more likely to be blocked by large particles, fibrous substances or other impurities that are easy to entangle and accumulate, and the increase of sewage in the water collecting tank also causes sludge deposition, which causes the drainage pipe to be blocked and the drainage to be poor, affecting the drainage efficiency. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a drainage device for construction engineering to solve the technical problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A drainage device for construction engineering comprises a drainage tank, a sludge tank located on one side, a sedimentation cavity and a drainage cavity divided by a partition plate inside the drainage tank, a treatment mechanism located in the drainage cavity, a slope plate lapped on the inner top of the drainage tank, a through groove formed in the slope plate located at the drainage cavity, a fixed connection between the top end of the partition plate and the lower surface of the slope plate, a filter screen installed on the partition plate near the slope plate, a collection tank provided in the sludge tank, and internal teeth provided on one outer wall of the collection tank.

[0008] The processing mechanism is composed of a reverse cleaning assembly, a transmission assembly and a support plate, the reverse cleaning assembly is located below the through slot, the reverse cleaning assembly is connected with the internal spline through the transmission assembly, the reverse cleaning assembly is used for collecting rainwater, and the reverse cleaning assembly is cleaned through the transmission assembly following the lifting of the collecting box. This design effectively solves the problem of poor drainage caused by filter screen blockage and sludge deposition, and realizes preliminary treatment of sewage through the combination of the sedimentation chamber and the filter screen, thereby improving the drainage efficiency.

[0009] Specifically, the reverse cleaning assembly comprises a water storage tank with an open top, a downwardly inclined square flushing pipe is communicated with the outer wall of the filter screen near the water storage tank, and the water outlet of the square flushing pipe is located above the filter screen. The reverse cleaning assembly uses the rainwater collected by the water storage tank to reverse flush the filter screen, which not only saves water resources, but also realizes the recycling of water resources and reduces the dependence on municipal water supply.

[0010] Specifically, the inside of the water storage tank is provided with a push plate, the bottom of the push plate is fixedly provided with a square sleeve, the square sleeve penetrates through the bottom wall of the water storage tank, and a lead screw is arranged in the square sleeve, and the bottom end of the lead screw is rotatably connected with the inner bottom wall of the drainage cavity. Through the cooperation of the push plate and the lead screw, the orderly movement of the water in the water storage tank is realized, a stable pressure and flow for reverse flushing are provided, and the flushing effect is improved.

[0011] Specifically, the support plate is located on one side of the square sleeve, and the outer wall of the support plate is fixedly connected with the inner wall of the drainage cavity and the bottom wall of the water storage tank. The design of the support plate improves the stability of the entire reverse cleaning assembly, ensures the stable operation of each component during the flushing process, and prolongs the service life of the equipment.

[0012] Specifically, the outer walls of the drainage tank and the sludge tank are both provided with a through slot, the internal spline is located at the through slot, the top of the collecting box is symmetrically fixedly provided with pull rods, and the top ends of the two pull rods are fixedly connected with the sealing plate screws located at the top of the sludge tank. The design of the through slot and the pull rod makes the lifting operation of the collecting box more convenient, realizes the centralized collection and treatment of sludge, and reduces the pollution of sludge to the environment.

[0013] Specifically, the transmission assembly comprises a first gear rotatably installed in the through slot, a second gear is meshingly connected with the tooth surface in the drainage cavity, a shaft rod is fixedly arranged in the second gear, a rotating shaft is arranged in parallel below the shaft rod, a worm is fixedly installed at the middle end of the rotating shaft, a worm wheel is meshingly connected on one side of the worm, and the worm wheel is fixedly sleeved on the bottom of the lead screw arranged in the reverse cleaning assembly. The transmission assembly converts the lifting movement of the collecting box into the action of the reverse cleaning assembly through the cooperation of the gears and the worm wheel, realizes automatic cleaning, and reduces manual intervention.

[0014] The shaft and the rotating shaft are rotatably connected with the inner wall of the drainage cavity, chain wheels are fixedly sleeved on the shaft and the rotating shaft, and the two chain wheels are drivingly connected through a transmission chain.

[0015] The drainage tank is provided with a plurality of sewage pipes on one side, the plurality of sewage pipes are in communication with the sedimentation cavity, a drainage pipe is arranged below the drainage tank, one end of the drainage pipe is in communication with the cavity bottom of the drainage cavity, a grid-shaped cover plate is overlapped on the top of the drainage tank, a guide plate is fixed to one side of the partition plate in the drainage cavity, and the guide plate is located below the filter screen.

[0016] The inclined plate is provided with a capacitive liquid level meter below the sedimentation cavity, the capacitive liquid level meter is provided with a sludge pump on the side close to the partition plate, the sludge pump is connected with a sludge suction pipe through a mounting seat and the lower surface of the inclined plate, and the sludge suction pipe port is spaced apart from the bottom wall of the sedimentation cavity by 5 cm.

[0017] The inclined plate is provided with a sludge discharge pipe above the inclined plate, one end of the sludge discharge pipe penetrates the drainage tank and the sludge tank in sequence, and the other end of the sludge discharge pipe penetrates the inclined plate and the mounting seat and is connected with the output port of the sludge pump.

[0018] The sludge discharge pipe ensures that the sludge can be smoothly transported into the collection tank in the sludge tank, realizes centralized treatment of the sludge, and reduces environmental pollution.

[0019] And in rainy days, through the inclined plate and the through groove guide rainwater, and utilize the water storage tank to collect part rainwater, effectively relieve the pressure of drainage system, still through the capacitive liquid level meter monitoring sludge height, by sludge pump through the pumping pipe to pump out sludge from the bottom of the sedimentation chamber, again by the drain pipe to the sludge tank in the collection tank, with regularly to the collection tank pull up cleaning, through the inner tooth and the first gear in the transmission assembly mesh, and then drive the second gear, shaft, shaft, worm and worm wheel rotation, finally make the screw rod rotate, drive the push plate moves in the water storage tank, the stored rainwater flows out through the square flushing pipe, reverse cleaning to the filter screen, ensure that the filter screen is unobstructed, guarantee drainage efficiency, utilize the natural rainfall, both save water resources, and improve the self-cleaning ability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the device of the application;

[0021] Figure 2 It is the cross section axial structure schematic diagram of the drainage tank and sludge tank of the application;

[0022] Figure 3 It is the cross section inclined axial structure schematic diagram of the drainage tank and sludge tank of the application;

[0023] Figure 4 It is the Figure 3 Front view structure schematic diagram;

[0024] Figure 5 It is the through groove position schematic diagram of the application;

[0025] Figure 6 It is the inner tooth position schematic diagram of the application;

[0026] Figure 7 It is the reverse cleaning assembly and transmission assembly structure schematic diagram of the application.

[0027] BRIEF DESCRIPTION OF DRAWINGS: 1, drainage tank;101, inclined plate;1011, through groove;102, sewage pipe;103, baffle;1031, filter screen;1032, guide plate;104, through slot;105, capacitive liquid level meter;106, drainage pipe;2, sludge tank;201, collection tank;2011, inner tooth;202, pull rod;3, sludge pump;301, pumping pipe;302, drain pipe;4, processing mechanism;5, reverse cleaning assembly;501, water storage tank;502, square flushing pipe;503, push plate;504, square sleeve;505, screw rod;6, transmission assembly;601, first gear;602, second gear;6021, shaft;603, shaft;604, worm;605, worm wheel;606, sprocket;6061, transmission chain;7, support plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0029] The embodiments of the present application will be described below according to the overall structure of the present application. Embodiment

[0030] The present application adopts a solar power supply system, converts light energy into electric energy by using a solar panel in a nearby open place, and provides stable power for the device through a controller and a storage battery, and has advantages of environmental protection, energy saving, no pollution, etc.

[0031] Please refer to Figure 1-6 As shown in the drawings, a drainage device for a construction project comprises a drainage tank 1, a sludge tank 2 located on one side, a drainage tank 1 inside which is divided into a sedimentation cavity and a drainage cavity by a partition plate 103, a treatment mechanism 4 located in the drainage cavity, a slanted plate 101 is lapped on the inner top of the drainage tank 1, a through groove 1011 is formed in the slanted plate 101 at the drainage cavity, the top end of the partition plate 103 is fixedly connected with the lower surface of the slanted plate 101, a filter screen 1031 is installed on the partition plate 103 close to the slanted plate 101, a collection tank 201 is arranged in the sludge tank 2, an inner tooth 2011 is arranged on one outer wall of the collection tank 201, through grooves 104 are formed in the outer walls of the drainage tank 1 and the sludge tank 2 and are communicated with each other, the inner tooth 2011 is located at the through grooves 104, pull rods 202 are fixedly arranged on the top of the collection tank 201 in a symmetrical manner, and the top ends of the two pull rods 202 are fixedly connected with sealing plate screws located on the top of the sludge tank 2.

[0032] A plurality of sewage pipes 102 are arranged on one side of the drainage tank 1, the plurality of sewage pipes 102 are communicated with the sedimentation cavity, a drainage pipe 106 is arranged below the drainage tank 1, one end of the drainage pipe 106 is communicated with the cavity bottom of the drainage cavity, a grid-shaped cover plate is lapped on the top of the drainage tank 1, a guide plate 1032 is fixedly arranged on one side of the partition plate 103 located in the drainage cavity, and the guide plate 1032 is located below the filter screen 1031; when the sludge pump 3 and the capacitive liquid level meter 105 need to be maintained, the staff only needs to open the cover plate, and then lift up the slanted plate 101, so that the sludge pump 3 and the capacitive liquid level meter 105 can be easily contacted, which is convenient for daily maintenance and maintenance and ensures long-term stable operation of the device.

[0033] The processing mechanism 4 is composed of a reverse cleaning assembly 5, a transmission assembly 6 and a support plate 7, the reverse cleaning assembly 5 is located below the through groove 1011, the reverse cleaning assembly 5 is connected with the inner spline 2011 through the transmission assembly 6, the reverse cleaning assembly 5 is used for collecting rainwater, and the reverse cleaning assembly 5 is cleaned through the transmission assembly 6 following the lifting of the collection box 201 to the filter screen 1031.

[0034] The drainage tank 1 and the sludge tank 2 are buried underground, the sewage pipe 102 is connected with the municipal drainage system, the drainage pipe 106 is connected with the underground drainage pipe network, sewage enters the sedimentation cavity through the sewage pipe 102, large-particle impurities and sludge in the sewage begin to deposit to the bottom of the cavity due to gravity, and this process is achieved through gravity sedimentation without additional power equipment, as the amount of sewage increases, the sediment gradually accumulates, the sewage in the upper layer enters the drainage cavity through the filter screen 1031, the filter screen 1031 further intercepts small impurities, ensures the purification of water in the drainage cavity, and the purified water is discharged through the drainage pipe 106, so that the sludge in the sewage can be deposited at the bottom of the cavity through the setting of the sedimentation cavity, greatly reducing the possibility of subsequent drainage pipe 106 blockage, the upper layer sewage enters the drainage cavity through the filter screen 1031, realizing the preliminary filtration and purification of the sewage, reducing the difficulty and load of subsequent sewage treatment, and reducing the blockage of the filter screen 1031 caused by impurities;

[0035] As the sludge increases, the sludge is discharged into the collection box 201, which is convenient for unified treatment and avoids pollution caused by random discharge of sludge to the environment, when the amount of sludge in the collection box 201 reaches a certain amount, the staff lifts the top cover through the lifting device, and the collection box 201 is lifted through the pull rod 202, and the sludge is taken out, and when the collection box 201 rises, the transmission assembly 6 is driven by the inner spline 2011, the reverse cleaning assembly 5 is driven by the transmission assembly 6, when it rains, rainwater flows to the through groove 1011 through the inclined plate 101, and is collected to the reverse cleaning assembly 5, at this time, the reverse cleaning assembly 5 can push the collected rainwater out to reverse wash the filter screen 1031, effectively removing the residual impurities on the filter screen 1031, reducing the wear of the filter screen 1031 caused by impurities, ensuring the continuous and efficient filtration effect, and prolonging the service life, the design of the reverse cleaning assembly 5 utilizes natural rainfall, which saves water resources and improves the self-cleaning ability.

[0036] Please refer to Figure 3 and Figure 4As shown, the inclined plate 101 is located below the sedimentation chamber is provided with a capacitive liquid level meter 105, the capacitive liquid level meter 105 is close to the side of the baffle 103 is provided with a sludge pump 3, the sludge pump 3 through the mounting seat and the sludge pump 3 suction port connected with the inclined plate 101 lower surface of the sewage pipe 301, the sewage pipe 301 port and the bottom wall of the sedimentation chamber interval 5 cm, the inclined plate 101 is provided with a sewage pipe 302, one end of the sewage pipe 302 in turn penetrates the drain tank 1 and sludge tank 2, the other end of the sewage pipe 302 penetrates the inclined plate 101 and the mounting seat and the output port of the sludge pump 3 is connected.

[0037] The capacitive liquid level meter 105 measures the sludge deposition height based on the principle of capacitance. When the deposition height of the sludge changes, the capacitance of the capacitive liquid level meter 105 will also change accordingly. The position of the sludge interface is determined by detecting the change in capacitance. The detected data is sent to the controller in real time and compared with the set value. Once the set range is exceeded, the controller starts the sludge pump 3. The sludge pump 3 works by pumping the sludge at the bottom of the sedimentation chamber through the sewage pipe 301 to the collection tank 201 in the sludge tank 2 through the sewage pipe 302. The whole process is automatically controlled, avoiding frequent manual intervention.

[0038] Please refer to Figure 4 and Figure 7 As shown, the reverse cleaning assembly 5 includes a top open water storage tank 501, the water storage tank 501 is communicated with a downward inclined square flushing pipe 502 near the outer wall of the filter screen 1031, the water outlet of the square flushing pipe 502 is located above the filter screen 1031, the inside of the water storage tank 501 is provided with a push plate 503, the bottom of the push plate 503 is fixed with a square sleeve 504, the square sleeve 504 penetrates the bottom wall of the water storage tank 501, and the square sleeve 504 is provided with a lead screw 505, the bottom end of the lead screw 505 is rotatably connected with the inner bottom wall of the drain cavity, the support plate 7 is located on one side of the square sleeve 504, the outer wall of the support plate 7 is fixedly connected with the inner wall of the drain cavity and the bottom wall of the water storage tank 501 respectively;

[0039] The transmission assembly 6 comprises a first gear 601 rotatably installed in the through slot 104, the first gear 601 is in meshing connection with a second gear 602 in the tooth surface in the drainage cavity, a shaft rod 6021 is fixedly arranged in the second gear 602, a rotating shaft 603 is arranged in parallel below the shaft rod 6021, a worm 604 is fixedly installed at the middle end of the rotating shaft 603, a worm gear 605 is in meshing connection with one side of the worm 604, the worm gear 605 is fixedly sleeved at the bottom of the lead screw 505 arranged in the reverse cleaning assembly 5, the both ends of the shaft rod 6021 and the rotating shaft 603 are rotatably connected with the inner wall of the drainage cavity, chain wheels 606 are fixedly sleeved on the shaft rod 6021 and the rotating shaft 603, and the two chain wheels 606 are drivingly connected through a transmission chain 6061.

[0040] When the sludge in the collecting box 201 is cleaned regularly, the staff lifts the top cover through the lifting device, the top cover lifts the collecting box 201 through the pull rod 202, the sludge is taken out, and when the collecting box 201 rises, the meshing first gear 601 is driven to rotate through the inner tooth 2011, the first gear 601 drives the second gear 602 to rotate, and then drives the shaft rod 6021 to rotate, the shaft rod 6021 drives the rotating shaft 603 to rotate through the chain wheel 606 and the transmission chain 6061, so that the worm 604 rotates, the worm gear 605 rotates, and the lead screw 505 rotates, the square sleeve 504 moves upwards along with the rotation of the lead screw 505, the push plate 503 rises, the water in the water storage box 501 is pushed upwards, the water is sprayed out through the square flushing pipe 502, the filter screen 1031 is reversely flushed, the attached matters are effectively removed, the filtering effect is ensured, and the drainage efficiency is guaranteed.

[0041] The working principle of the present application is as follows:

[0042] The drainage box 1 and the sludge box 2 are buried underground, the sewage pipe 102 is connected with the municipal drainage system, the drainage pipe 106 is connected with the underground drainage pipe network, sewage enters the sedimentation cavity through the sewage pipe 102, large-particle impurities and sludge in the sewage begin to deposit to the bottom of the cavity due to the gravity, with the increase of the sewage amount, the deposits gradually accumulate, the upper-layer sewage enters the drainage cavity through the filter screen 1031, the filter screen 1031 further intercepts small impurities, ensures the purification of the water in the drainage cavity, and the purified water is discharged through the drainage pipe 106, so that the sludge in the sewage can be deposited at the bottom of the cavity through the setting of the sedimentation cavity, the possibility of the subsequent drainage pipe 106 blockage is greatly reduced, the upper-layer sewage passes through the filter screen 1031 and enters the drainage cavity, the preliminary filtration and purification of the sewage are realized, the difficulty and load of the subsequent sewage treatment are reduced, and the blockage of the filter screen 1031 caused by impurities is reduced.

[0043] With the increase of sludge, the capacitance type liquid level meter 105 detects the change of liquid level and sends the detected data to the controller for comparison with the set value. When the liquid level exceeds the set value, the controller starts the sludge pump 3. The sludge pump 3 works to pump the sludge at the bottom of the sedimentation chamber out through the sludge suction pipe 301, and then transports the sludge to the collection tank 201 in the sludge tank 2 through the sludge discharge pipe 302. When the sludge in the collection tank 201 accumulates to a certain extent, the sludge in the collection tank 201 is cleaned regularly.

[0044] The staff lifts the top cover through the lifting device, the top cover lifts the collection tank 201 through the pull rod 202, and the sludge is taken out at the same time. When the collection tank 201 rises, the first gear 601 engaged with the inner tooth 2011 is rotated, the second gear 602 is rotated by the first gear 601, and the shaft rod 6021 is rotated, the rotating shaft 603 is rotated by the chain wheel 606 and the transmission chain 6061, the worm 604 is rotated, the worm wheel 605 is rotated, the screw rod 505 is rotated, the square sleeve 504 moves upward following the rotation of the screw rod 505, the push plate 503 is lifted, the water in the water storage tank 501 is pushed upward, the water is sprayed out through the square flushing pipe 502, and the filter screen 1031 is backwashed. After the collection tank 201 moves out of the sludge tank 2, the collected sludge is poured into the designated treatment area, and the sludge cleaning work is completed.

[0045] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the application. The specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, as long as they are within the scope of the claims of the present application.

Claims

1. A drainage device for construction engineering, comprising a drainage box (1), a sludge box (2) located on one side, the interior of the drainage box (1) being divided into a sedimentation chamber and a drainage chamber by a partition (103), and a treatment mechanism (4) located in the drainage chamber, characterized in that: The inner top of the drainage box (1) is overlapped with an inclined plate (101), the inclined plate (101) is provided with a through groove (1011) at the drainage cavity, the top of the partition (103) is fixedly connected to the lower surface of the inclined plate (101), and a filter screen (1031) is installed on the partition (103) near the inclined plate (101), and a collecting box (201) is provided inside the sludge box (2), and an outer wall of the collecting box (201) is provided with an inner tooth (2011); The outer walls of the drainage box (1) and the sludge box (2) are both provided with communicating through grooves (104), the inner teeth (2011) are located at the through grooves (104), and the top of the collection box (201) is symmetrically fixed with pull rods (202), and the top ends of the two pull rods (202) are fixed to the sealing screws located at the top of the sludge box (2); The processing mechanism (4) is composed of a reverse cleaning component (5), a transmission component (6), and a support plate (7); the reverse cleaning component (5) is located below the through slot (1011); the reverse cleaning component (5) is connected to the inner track tooth (2011) via the transmission component (6); the reverse cleaning component (5) is used to collect rainwater, and the reverse cleaning component (5) cleans the filter screen (1031) by following the lifting of the collection box (201) via the transmission component (6); The reverse cleaning assembly (5) comprises a water tank (501) with an opening at the top, a downwardly inclined square flushing pipe (502) being connected to the outer wall of the water tank (501) near the filter (1031), a water outlet of the square flushing pipe (502) being located above the filter (1031), a push plate (503) being provided inside the water tank (501), a square sleeve (504) being fixed to the bottom of the push plate (503), the square sleeve (504) penetrating the bottom wall of the water tank (501), and a screw rod (505) being provided in the square sleeve (504), the bottom end of the screw rod (505) being rotatably connected to the bottom wall of the drainage chamber; The transmission assembly (6) comprises a first gear (601) rotatably mounted in the through groove (104); the tooth surface of the first gear (601) located in the drainage chamber is meshedly connected with a second gear (602); a shaft (6021) is fixedly passed through the second gear (602); a rotating shaft (603) is provided parallel to the lower side of the shaft (6021); a worm (604) is fixedly mounted at the middle end of the rotating shaft (603); a worm wheel (605) is meshedly connected to one side of the worm wheel (604); and the worm wheel (605) is fixedly sleeved on the bottom of a screw rod (505) provided in the reverse cleaning assembly (5).

2. A drainage device for construction engineering according to claim 1, characterized in that: The support plate (7) is located on one side of the square sleeve (504), and the outer wall of the support plate (7) is fixedly connected to the inner wall of the drainage cavity and the bottom wall of the water storage tank (501), respectively.

3. A drainage device for construction engineering according to claim 1, characterized in that: Both ends of the shaft (6021) and the rotating shaft (603) are rotatably connected to the inner wall of the drainage cavity. Sprockets (606) are fixedly sleeved on the shaft (6021) and the rotating shaft (603), and the two sprockets (606) are connected by a transmission chain (6061).

4. A drainage device for construction engineering according to claim 1, characterized in that: A plurality of sewage pipes (102) are provided on one side of the drainage box (1), and the plurality of sewage pipes (102) are all connected to the sedimentation chamber. A drainage pipe (106) is provided below the drainage box (1), and one end of the drainage pipe (106) is connected to the bottom of the drainage chamber. A grid-shaped cover plate is overlapped on the top of the drainage box (1). A guide plate (1032) is fixed on one side of the partition plate (103) located in the drainage chamber, and the guide plate (1032) is located below the filter screen (1031).

5. A drainage device for construction engineering according to claim 1, characterized in that: The inclined plate (101) is provided with a capacitive liquid level gauge (105) located below the sedimentation chamber. A sludge pump (3) is provided on a side of the capacitive liquid level gauge (105) close to the partition (103). The sludge pump (3) is connected to a sewage pump (301) through a mounting base and a suction port of the sludge pump (3) on the lower surface of the inclined plate (101). The port of the sewage pump (301) is spaced 5 cm from the bottom wall of the sedimentation chamber.

6. A drainage device for construction engineering according to claim 5, characterized in that: A sewage pipe (302) is provided above the inclined plate (101), one end of the sewage pipe (302) passes through the drainage box (1) and the sludge box (2) in sequence, and the other end of the sewage pipe (302) passes through the inclined plate (101) and the mounting seat and is connected to the output port of the sludge pump (3).

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