CN110397102B - Sediment discharging device for hydraulic engineering - Google Patents

Abstract

The invention discloses a silt discharging device for water conservancy projects, which comprises a foundation, wherein a sewage tank is arranged on the upper surface of the foundation, a sewage discharge hole is formed in the left wall of the sewage tank, fixing pieces are arranged at the position, close to the rear, of the upper surface of the foundation, and a protective shell is arranged between the two groups of fixing pieces. According to the sludge suction device, the stepping motor arranged in the sewage inlet pipe is controlled to operate, and the first gear disc is driven to operate, wherein the second gear disc is operated when the first gear disc operates, the meshed fixed bent strip can be rotated, the fixed bent strip is connected with the external turntable, so that the external turntable can be driven to rotate, and meanwhile, sludge at the bottom end of a sewage tank can be stirred by matching with a plurality of welding pieces on the front side of the external turntable, and the sludge can be conveniently sucked by the expansion disc.

Description

Sediment discharging device for hydraulic engineering

Technical Field

The invention belongs to the technical field of hydraulic engineering silt removing range, and particularly relates to a silt removing device for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for the elimination of water damage and the exploitation and utilization of water resources. The service objects are divided into flood control engineering, farmland hydraulic engineering, hydroelectric power engineering, channel and harbor engineering, water supply and drainage engineering, environmental hydraulic engineering, coastal reclamation engineering and the like. The hydraulic engineering which can serve multiple targets such as flood control, water supply, irrigation, power generation and the like at the same time is called comprehensive utilization hydraulic engineering. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims.

The aforesaid is introduced hydraulic engineering, the mechanism that proposes in the application is arranged in the aforesaid, at the hydraulic engineering construction initial stage, need clear away the silt of riverbed bottom, generally the equipment of silt is clear away in the use, adopt the dredge pump to carry out the blowdown, the rational use of dredge pump, can get rid of riverbed silt, but have some sclerosis silt in the mud when the clearance, the dredge pump will unable adsorb, lead to needing the manual work to descend the riverbed to strike stereoplasm silt, through the cooperation between the mechanism in the application, do not need the manual work to descend the riverbed to clear up stereoplasm silt piece, equipment itself can carry out the breakage to stereoplasm silt, the clearance.

Disclosure of Invention

The invention aims to: in order to solve the problem provided above, a silt discharging device for hydraulic engineering is provided.

The technical scheme adopted by the invention is as follows:

a silt discharging device for hydraulic engineering comprises a foundation, wherein a sewage tank is arranged on the upper surface of the foundation, a sewage discharge hole is formed in the left wall of the sewage tank, fixing pieces are arranged on the upper surface of the foundation close to the rear part, a protective shell is arranged between the two groups of fixing pieces, a transverse groove is formed in the bottom end of the inner cavity of the protective shell, a control box is connected in the inner cavity of the protective shell in a sliding mode, sliding blocks are welded on the left side and the right side of the bottom end of the control box, and an open groove is formed in the front face of the control box;

be provided with the backup pad in the open slot inner chamber, the equal fixedly connected with connecting strip in the upper surface left and right sides of backup pad, the front and back end of connecting strip all welds and puts the fixed block down, the upper surface middle part of backup pad is the notch to be located and be provided with the cavity post in the displacement in the notch, electric quantity savings mechanism is installed on the top of cavity post in the displacement, it has the overhead stationary blade to all weld on the left and right sides outer wall of electric quantity savings mechanism.

The power supply device comprises a control box, a power supply connector, a bolt, a telescopic driving mechanism, a line body protection pipe and a vertical plate, wherein the power supply connector is welded on the back of an inner cavity of the control box, an L-shaped supporting panel is installed on the front of the power supply connector through the bolt, the telescopic driving mechanism is installed on a bottom plate of the L-shaped supporting panel, the line body protection pipe is installed on the upper surface of the telescopic driving mechanism, and the vertical plate of the L-shaped supporting panel is penetrated through the bottom end.

The front of the telescopic driving mechanism is installed by the lower portion and placed with the panel, the driving end of the telescopic driving mechanism is installed with the electric telescopic rod, the outer wall of the electric telescopic rod is welded by the upper portion, the outer wall of the connecting piece is welded with the transverse plate, and the front of the transverse plate is welded with the supporting plate.

The sewage tank is characterized in that a cavity box is arranged at the left arm of an inner cavity of the sewage tank, a sewage inlet pipe is arranged at the bottom end of the cavity box, the left side and the right side of the upper surface of the cavity box are both separated, a spring and a telescopic rod are welded between two groups of separating blocks, and the spring is located between two groups of telescopic rods.

The sewage discharging device comprises a cavity box, a transverse pipe, a sewage discharging pump, a sewage discharging pipe, a notch and a side-by-side direction, wherein the transverse pipe is installed in the middle of the upper surface of the cavity box, the sewage discharging pump is installed on the top end of the transverse pipe, the sewage discharging pipe is installed at the sewage discharging end of the sewage discharging pump, the sewage discharging pipe extends out of the sewage tank and faces the outer side of the sewage tank, and the sewage discharging pump is installed in an inner.

The sewage treatment device comprises a sewage inlet pipe, a sewage outlet pipe.

The bottom welding of expanding the dish has into dirty pipe, the outer wall of dirty pipe leans on the lower part position to install built-in rack ring, the outer wall left and right sides of built-in rack ring is provided with fixed curved strip.

Wherein, lean on upper portion position to install step motor in the inner chamber of advancing dirty pipe, gear disc one is installed to step motor's drive end, the right side of gear disc one is provided with the second gear wheel dish, the outer wall that advances dirty pipe leans on the lower part to be the notch form to at the notch department installation built-in rack ring, the outer wall mounting triangle mounting of built-in rack ring, the left and right sides of triangle mounting leans on lower position to advance dirty pipe outer wall to fix through the bolt.

The outer wall of the first gear disc is meshed with the rotating rod of the second gear disc, and the outer wall of the driving rod of the second gear disc is in a tooth mouth shape and is in the same horizontal plane with the first gear disc

And one ends of the fixed bent strips, which are close to the sewage inlet pipe, are welded with the built-in rack ring, and the other ends of the fixed bent strips, which are far away from the sewage inlet pipe, are welded with the bottom end of the external turntable.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the sludge suction device, the stepping motor arranged in the sewage inlet pipe is controlled to operate, and the first gear disc is driven to operate, wherein the second gear disc is operated when the first gear disc operates, the meshed fixed bent strip can be rotated, the fixed bent strip is connected with the external turntable, so that the external turntable can be driven to rotate, and meanwhile, sludge at the bottom end of a sewage tank can be stirred by matching with a plurality of welding pieces on the front side of the external turntable, and the sludge can be conveniently sucked by the expansion disc.

2. In the invention, four groups of bolts are additionally arranged on the outer wall of the triangular fixing piece to fix the outer wall of the sewage inlet pipe, so that the first gear disc brakes the second gear disc to rotate and drives the built-in rack ring to rotate, and when the built-in rack ring rotates, the fixed bent bar is driven to rotate.

3. According to the invention, the fixing pieces are arranged on the outer side of the sewage tank and used for fixing the whole sewage tank, the protective shell is additionally arranged between the two groups of fixing pieces, the bottom end of the inner cavity of the protective shell is provided with the transverse groove which is used for sliding the sliding block, the front and back displacement of the control box is braked and used for drawing out the control box, and the distance between the control box and the sewage tank is increased.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a view showing an internal structure of a control box according to the present invention;

FIG. 3 is a view showing a structure of a sewage tank built-in device according to the present invention;

FIG. 4 is a bottom view of the external turntable of the present invention;

FIG. 5 is a front view of the dirt intake pipe and assembly of the present invention;

FIG. 6 is a view showing the internal structure of the sewage inlet pipe according to the present invention;

fig. 7 is a front view of the support plate and its charge storage mechanism of the present invention.

The labels in the figure are: 1. a foundation; 2. a sewage tank; 3. a fixing member; 4. a transverse groove; 5. an open slot; 6. a control box; 7. a slider; 8. a protective housing; 9. a sewage draining hole; 10. a support plate; 11. a transverse plate; 12. a connecting member; 13. placing a panel; 14. an electric telescopic rod; 15. a wire body protection tube; 16. a power connector; 17. a telescopic driving mechanism; 18. an L-shaped support panel; 19. a cavity cell; 20. a spring; 21. a sewage inlet pipe; 22. a sewage outlet pipe; 23. a sewage pump; 24. a transverse tube; 25. expanding the disc; 26. an external rotary table; 27. a grounded semi-arc block; 28. a welding part; 29. a telescopic rod; 30. fixing the bent strip; 31. a first gear disc; 32. a stepping motor; 33. a triangular fixing member; 34. a second gear wheel disc; 35. displacing the hollow column; 36. a fixed block is arranged below; 37. a connecting strip; 38. a fixing sheet is arranged on the bracket; 39. an electricity storage mechanism; 40. a rack ring is arranged inside.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2 and 7, a silt discharging device for hydraulic engineering comprises a foundation 1, a sewage tank 2 is arranged on the upper surface of the foundation 1, a sewage discharging hole 9 is arranged on the left wall of the sewage tank 2, fixing pieces 3 are arranged on the upper surface of the foundation 1 near the rear part, a protective shell 8 is arranged between the two groups of fixing pieces 3, a transverse groove 4 is arranged at the bottom end of the inner cavity of the protective shell 8, a control box 6 is connected in the inner cavity of the protective shell 8 in a sliding manner, sliding blocks 7 are welded on the left side and the right side of the bottom end of the control box 6, the fixing pieces 3 are arranged on the outer side of the sewage tank 2 and used for fixing the whole body, the protective shell 8 is additionally arranged between the two groups of fixing pieces 3, the transverse groove 4 is arranged at the bottom end of the inner cavity of the protective shell 8 and used for sliding the sliding blocks 7, an open groove 5 is arranged on the front surface, increasing the distance between the control box 6 and the sewage tank 2, arranging a support plate 10 in the inner cavity of the open slot 5, fixedly connecting strips 37 on the left and right sides of the upper surface of the support plate 10, welding lower fixing blocks 36 at the front and rear ends of the connecting strips 37, forming a notch in the middle of the upper surface of the support plate 10, arranging a displacement hollow column 35 in the notch, installing an electric quantity storage mechanism 39 at the top end of the displacement hollow column 35, controlling the electric quantity storage mechanism 39 installed on the support plate 10, pre-processing the electric quantity storage mechanism 39 to be installed at the notch in the middle of the support plate 10, pushing the electric quantity storage mechanism 39 downwards, connecting the sewage pump 23, realizing the braking of the sewage pump 23, welding upper fixing plates 38 on the outer walls of the left and right sides of the electric quantity storage mechanism 39 after the electric quantity storage mechanism 39 is pushed downwards, integrally fixing the upper fixing plates 38 installed on the left and right sides of the electric quantity storage mechanism 39 by, when realizing arranging mud, avoid the vibrations of dredge pump 23 to the damage of spare part, the welding has power connector 16 on the inner chamber back of control box 6, install L shape supporting panel 18 through the bolt on power connector 16's the front, L shape supporting panel 18 is used for installing flexible actuating mechanism 17 on the bottom plate of conduction electric energy L shape supporting panel 18, and be connected L shape supporting panel 18 and flexible actuating mechanism 17 through wire power connector 16, be used for braking flexible actuating mechanism 17 embeds places panel 13 and stretches out and draws back, drive the flexible displacement of connecting piece 12, and the displacement around the horizontal board 11 of braking, the last surface mounting of flexible actuating mechanism 17 has protection tube 15.

The invention also provides another embodiment, in particular to figures 3-5, a silt discharging device for water conservancy projects comprises a sewage inlet pipe 21, a placing panel 13 is arranged on the front side of a telescopic driving mechanism 17 close to the lower part, an electric telescopic rod 14 is arranged at the driving end of the telescopic driving mechanism 17, a connecting piece 12 is welded on the outer wall of the electric telescopic rod 14 close to the upper part, a transverse plate 11 is welded on the outer wall of the connecting piece 12, a supporting plate 10 is welded on the front side of the transverse plate 11, a cavity box 19 is arranged at the left arm of an inner cavity of a sewage tank 2, the sewage inlet pipe 21 is arranged at the bottom end of the cavity box 19, the left side and the right side of the upper surface of the cavity box 19 are separated, a spring 20 and a telescopic rod 29 are welded between two groups of separated blocks, a transverse pipe 24 is arranged at the middle part of the upper surface of the cavity box 19 between the two groups of, a sewage discharge end of the sewage discharge pump 23 is provided with a sewage discharge pipe 22, the sewage discharge pipe 22 extends out of a notch of the sewage tank 2 and is arranged towards the outer side of the sewage tank 2, an inner cavity of an electric quantity storage mechanism 39 is provided with the sewage discharge pump 23, the bottom end of the sewage inlet pipe 21 is welded with an external turntable 26, the top end of a welding piece 28 is welded with a grounding semi-arc block 27, the outer wall of the sewage inlet pipe 21 is provided with an internal rack ring 40 at the lower part, the bottom end of the sewage inlet pipe 21 is provided with a group of expanding discs 25, the outer wall of each expanding disc 25 is provided with the external turntable 26, each expanding disc 25 can rotate at the middle part of the external turntable 26, a stepping motor 32 arranged in the sewage inlet pipe 21 is controlled to operate and drive a first gear disc 31 to operate, wherein the first gear disc 31 can operate a second gear disc 34 when operating and can rotate a meshed fixed bent bar 30, and the fixed bent bar 30 is connected with the external turntable, the external rotary table 26 can be driven to rotate, the sludge at the bottom end of the sewage tank 2 can be stirred by matching a plurality of groups of welding pieces 28 on the front surface of the external rotary table 26, the sludge can be conveniently sucked by the expansion disc 25, the left side and the right side of the outer wall of the built-in rack ring 40 are provided with the fixed bent strips 30, the inner cavity of the sewage inlet pipe 21 is provided with the stepping motor 32 close to the upper part, the driving end of the stepping motor 32 is provided with the first gear disc 31, the right side of the first gear disc 31 is provided with the second gear disc 34, the outer wall of the sewage inlet pipe 21 is in a notch shape close to the lower part and is provided with the built-in rack ring 40 at the notch, the outer wall of the built-in rack ring 40 is sleeved with the triangular fixing piece 33, the triangular fixing piece 33 is positioned on the left side and the right side of the annular notch formed in the outer, realize that 31 brake second gear wheel dishes 34 of pinion disc rotate, and drive built-in rack ring 40 and rotate, when built-in rack ring 40 rotated, will drive fixed curved bar 30 and rotate, the outer wall of pinion disc 31 meshes with the dwang of second gear wheel dish 34 mutually, and present the tooth mouth form on the actuating lever outer wall of second gear wheel dish 34, and present same horizontal line horizontal plane with 31 pinion disc, the one end and the built-in rack ring 40 welding of advancing dirty pipe 21 that leans on of two sets of fixed curved bars 30, the one end that fixed curved bar 30 kept away from into dirty pipe 21 all welds with the bottom of external carousel 26.

The working principle is as follows: the device comprises a sewage tank 2, a protective shell 8, a transverse groove 4, a sliding block 7, a brake control box 6 and a control box, wherein the sewage tank 2 is arranged on the front surface of a foundation 1 in advance and used for storing liquid, the device can be used for the foundation arranged on a site and discharging mud in a small pond, the fixing part 3 is arranged on the outer side of the sewage tank 2 and used for fixing the whole body, the protective shell 8 is additionally arranged between the two groups of fixing parts 3, the transverse groove 4 is arranged at the bottom end of the inner cavity of the protective shell 8 and used for sliding the sliding block 7 and braking the front and back displacement of the control box 6 and used for drawing the control box 6 out, and the;

in the application, a group of L-shaped supporting panels 18 are arranged on the back of an inner cavity of a control box 6, the L-shaped supporting panels 18 are used for conducting electric energy, the L-shaped supporting panels 18 are connected with a telescopic driving mechanism 17 through a wire power connector 16, the built-in placing panel 13 for braking the telescopic driving mechanism 17 is telescopic, the telescopic displacement of a connecting piece 12 is driven, the front and back displacement of a transverse plate 11 is braked, meanwhile, when the transverse plate 11 drives a supporting plate 10 to be located at a certain position and is positioned above a sewage tank 2, an electric quantity storage mechanism 39 arranged on the supporting plate 10 is controlled, the notch of the middle part of the supporting plate 10, where the electric quantity storage mechanism 39 is required to be arranged is preprocessed, the electric quantity storage mechanism 39 is downwards pushed and connected with a sewage pump 23, the sewage pump 23 is braked, after the electric quantity storage mechanism 39 is downwards pushed, upper fixing plates 38 arranged on the left side and the right side of the electric quantity storage mechanism 39 are matched with When the sludge is discharged, the damage of the vibration of the sewage pump 23 to parts is avoided;

in the application, when the sewage pump 23 brakes the transverse pipe 24 to control the sewage inlet pipe 21 in the cavity box 19, the sewage inlet pipe adsorbs the sludge of the transverse plate 11 and discharges the sludge through the sewage tank 2, considering that the sludge in the transverse plate 11 needs to be discharged in an all-around way on the bottom end of the transverse plate 11, and the installed electric telescopic rod 14 is used for driving the support plate 10 to move back and forth, so that the required effect is achieved;

in the application, a group of expansion discs 25 are arranged at the bottom end of a sewage inlet pipe 21, an external rotary disc 26 is arranged on the outer wall of the expansion disc 25, wherein the expansion disc 25 can rotate at the middle part of the external rotary disc 26, a stepping motor 32 arranged in the sewage inlet pipe 21 is controlled to operate, and the external rotary disc 31 is driven to operate, wherein the second gear disc 34 is operated when the gear disc 31 operates, and the meshed fixed bent bar 30 can rotate;

set the triangle mounting 33 on built-in rack ring 40's outer wall in the application, and the annular circular slot mouth left and right sides of seting up on triangle mounting 33 is located connecting piece 12 outer wall, and fix sewage inlet pipe 21's outer wall through installing four group's bolts additional on triangle mounting 33's outer wall, realize that 31 brake second gear wheel dishes 34 of pinion disc rotate, and drive built-in rack ring 40 and rotate, when built-in rack ring 40 pivoted, will drive fixed gib 30 and rotate.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. The utility model provides a hydraulic engineering is with arranging silt device, includes ground (1), its characterized in that: the upper surface of a foundation (1) is provided with a sewage tank (2), a sewage discharge hole (9) is arranged on the left wall of the sewage tank (2), fixing pieces (3) are arranged on the upper surface of the foundation (1) close to the rear part, a protective shell (8) is arranged between the two groups of fixing pieces (3), the bottom end of the inner cavity of the protective shell (8) is provided with a transverse groove (4), a control box (6) is connected in the inner cavity of the protective shell (8) in a sliding manner, sliding blocks (7) are welded on the left side and the right side of the bottom end of the control box (6), and the front surface of the control box (6) is provided with an open groove (;

the device is characterized in that a supporting plate (10) is arranged in an inner cavity of the open slot (5), connecting strips (37) are fixedly connected to the left side and the right side of the upper surface of the supporting plate (10), lower fixing blocks (36) are welded to the front end and the rear end of each connecting strip (37), a notch is formed in the middle of the upper surface of the supporting plate (10), a displacement hollow column (35) is arranged in the notch, an electric quantity storage mechanism (39) is installed at the top end of the displacement hollow column (35), upper fixing plates (38) are welded to the outer walls of the left side and the right side of the electric quantity storage mechanism (39), a power supply connector (16) is welded to the back surface of the inner cavity of the control box (6), an L-shaped supporting panel (18) is installed on the front surface of the power supply connector (16) through bolts, a telescopic driving mechanism (17) is installed on a bottom plate of the L-shaped supporting, the bottom end of the line body protection pipe (15) penetrates through a vertical plate of an L-shaped supporting panel (18) and is installed at the output end of a power supply connector (16), the front face of the telescopic driving mechanism (17) is installed by a lower portion to be provided with a placing panel (13), the driving end of the telescopic driving mechanism (17) is installed with an electric telescopic rod (14), the outer wall of the electric telescopic rod (14) is welded by an upper portion to be provided with a connecting piece (12), the outer wall of the connecting piece (12) is welded with a transverse plate (11), the front face of the transverse plate (11) is welded with a supporting plate (10), an inner cavity left arm of the sewage tank (2) is provided with a cavity box (19), the bottom end of the cavity box (19) is provided with a sewage inlet pipe (21), the left side and the right side of the upper surface of the cavity box (19) are both in a separated shape, and a spring (, the spring (20) is located between two sets of telescopic link (29), horizontal pipe (24) are installed to the upper surface middle part of cavity box (19), dredge pump (23) are installed on the top of horizontal pipe (24), dirty pipe (22) are installed out to the blowdown end of dredge pump (23), it extends the notch of bilge pit (2) to go out dirty pipe (22), and to the outside of bilge pit (2) side by side, install dredge pump (23) in the inner chamber of electric quantity savings mechanism (39), the bottom welding of advancing dirty pipe (21) has external carousel (26), the inner chamber middle part of external carousel (26) is installed and is expanded dish (25), the peripheral fixedly connected with welding piece (28) in the back of external carousel (26), the top welding of welding piece (28) has half arc piece (27) of ground connection, the bottom welding that expands dish (25) has advances dirty pipe (21), the outer wall of the sewage inlet pipe (21) leans on the lower part to install a built-in rack ring (40), the outer wall left and right sides of the built-in rack ring (40) is provided with a fixed bent strip (30), the inner cavity of the sewage inlet pipe (21) leans on the upper part to install a stepping motor (32), a first gear plate (31) is installed at the driving end of the stepping motor (32), the right side of the first gear plate (31) is provided with a second gear plate (34), the outer wall of the sewage inlet pipe (21) leans on the lower part to be in a notch shape, and the built-in rack ring (40) is installed at the notch, a triangular fixing part (33) is installed on the outer wall of the built-in rack ring (40), the left and right sides of the triangular fixing part (33) lean on the lower part to fix the outer wall of the sewage inlet pipe (21) through bolts, the outer wall of the first gear plate (31) is meshed with, the outer wall of a driving rod of the second gear wheel disc (34) is in a tooth mouth shape and is in the same horizontal plane with the first gear wheel disc (31), one ends, close to the sewage inlet pipe (21), of the two groups of fixed bent strips (30) are welded with the built-in rack ring (40), one ends, far away from the sewage inlet pipe (21), of the fixed bent strips (30) are welded with the bottom end of the external rotary disc (26), a sewage tank is formed in the upper surface of the foundation in advance and used for storing liquid, equipment is used for the foundation formed on a construction site and discharging mud in a small pond, and specifically, fixing parts are mounted on the outer side of the sewage tank and used for fixing the whole body, a horizontal groove is formed in the bottom end of the inner cavity of the protective shell and used for sliding the sliding block and braking the front and back displacement of the control box and used for pumping out the control box, so that the distance between the control box and the sewage tank; a group of L-shaped supporting panels are arranged on the back surface of an inner cavity of the control box, the L-shaped supporting panels are used for conducting electric energy, the L-shaped supporting panels are connected with the telescopic driving mechanism through a wire power connector and used for braking the built-in placing panels of the telescopic driving mechanism to stretch and retract so as to drive the connecting piece to stretch and retract and brake the front and back displacement of the transverse plate, meanwhile, when the transverse plate drives the supporting plate to displace to be positioned above a sewage tank, the electric quantity saving mechanism arranged on the supporting plate is controlled to pre-process the notch at the middle part of the supporting plate where the electric quantity saving mechanism is required to be arranged and push the electric quantity saving mechanism downwards so as to be connected with the sewage pump, so as to realize the braking of the sewage pump, after the electric quantity saving mechanism is pushed downwards, the upper fixing plates arranged on the left side and the right side of the, when the sludge is discharged, the damage of the vibration of the sewage pump to parts is avoided; when the sewage pump brakes the transverse pipe to control the sewage inlet pipe in the cavity box, the sewage inlet pipe adsorbs sludge of the transverse plate and discharges the sludge through the sewage tank, and considering that the sludge in the transverse plate needs to be discharged in an all-dimensional manner, the installed electric telescopic rod is used for driving the support plate to move forwards and backwards, so that the required effect is achieved; the bottom end of the sewage inlet pipe is provided with a group of expansion discs, and the outer wall of each expansion disc is provided with an external turntable, wherein each expansion disc can rotate in the middle of the external turntable, a stepping motor arranged in the sewage inlet pipe is controlled to operate, and a first gear disc is driven to operate; the outer wall of the built-in rack ring is sleeved with the triangular fixing piece, the triangular fixing piece is positioned on the left side and the right side of the annular circular groove opening formed in the outer wall of the connecting piece, four groups of bolts are additionally arranged on the outer wall of the triangular fixing piece to fix the outer wall of the sewage inlet pipe, the first gear disc is braked to rotate by the first gear disc, the built-in rack ring is driven to rotate, and when the built-in rack ring rotates, the fixed bent bar is driven to rotate.

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