CN113605329A

CN113605329A - Quick cutoff device for large-scale drainage pumping station

Info

Publication number: CN113605329A
Application number: CN202111080718.2A
Authority: CN
Inventors: 舒雪辉; 张伟进; 梁樑; 朱庆龙; 宋飞; 宋天涯; 江涵; 魏庆军; 朱莹; 张文涛
Original assignee: Hefei Hengda Jianghai Pump Co Ltd
Current assignee: Hefei Hengda Jianghai Pump Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-11-05

Abstract

The invention discloses a rapid cut-off device of a large-scale drainage pumping station, which comprises a sill embedded part, a gate slot, gate leaves and flap gate leaves, wherein the sill embedded part is fixed at the bottom of a water outlet gate, the two sides of the water outlet gate are fixed with the gate slot, the gate slot is provided with a main guide rail and a side guide rail, the two sides of the gate leaves are provided with a main roller and a side roller, the main roller and the side roller are jointed with the gate slot to stably run up and down, the gate leaves are provided with square holes, the flap gate leaves are arranged on the square holes, the top ends of the gate leaves are provided with lifting lugs, when the invention needs to be overhauled, an external crane is only needed to be connected with the lifting lugs to start the external crane, the main roller and the side roller of the cut-off device move upwards along the gate slot under the traction of the external crane, when the whole cut-off device is separated from the water surface, the external crane stops moving, at the moment, the external crane fixes the cut-off device at a position above the water surface, the worker can carry out the maintenance work without submerging.

Description

Quick cutoff device for large-scale drainage pumping station

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a rapid cut-off device for a large-scale drainage pumping station.

Background

The submerged motor pump is widely applied to the fields of municipal water conservancy project drainage, flood control, regional water transfer, ecological water supplement and the like, in particular to a drainage pump station, the submerged motor pump is forcibly discharged to high water level of an external river from low water level of the internal river through the submerged motor pump, when the submerged motor pump is shut down, in order to prevent the damage caused by backflow of the water level of the external river, the water outlet cutoff device of the current large drainage pump station mainly adopts two modes of a quick gate and a flap valve, the quick gate is convenient to overhaul, but the flap valve needs to be manually adjusted to realize lifting and cutoff of the gate, the flap valve does not need an opening and closing device, the cutoff and the full opening can be realized by means of self weight and the difference between the internal pressure and the external pressure of the flap valve, the economy is high, but according to the design specification and the actual requirements of the pump station, the flap valve needs to be submerged under water and is difficult to overhaul, when the flap valve fails, maintenance personnel need to submerge in the maintenance difficulty is large.

Disclosure of Invention

The invention aims to provide a quick flow cutoff device for a large drainage pumping station, which solves the problem that the existing flow cutoff device is difficult to maintain.

The purpose of the invention can be realized by the following technical scheme:

a rapid cut-off device of a large-scale drainage pumping station comprises a sill embedded part, a gate slot, gate leaves and flap gate leaves, and is characterized in that the sill embedded part is fixed at the bottom of a water outlet gate, the two sides of the water outlet gate are fixed with the gate slot, the gate slot is provided with a main guide rail and a side guide rail, the top end of the gate leaves is provided with a plurality of lifting lugs, the two sides of the gate leaves are provided with a plurality of main rollers and side rollers which are jointed with the gate slot to stably run up and down, the gate leaves are provided with square holes, the peripheries of the square holes are fixed with flap gate bases, a plurality of hinges are arranged above the flap gate bases, the flap gate leaves are connected with the gate leaves through the hinges, flap gate water-stopping rubber components are fixed around the square holes and on the inner sides of the flap gate bases, the bottoms of the gate leaves are provided with a plurality of buffer rubber blocks, a first gate water-stopping rubber component is arranged at the joint position of the gate leaves and the gate slot, and a second gate water-stopping rubber component is arranged at the joint position of the gate leaf and the bottom sill embedded part.

As a further aspect of the present invention, the sill insert is fixed in the bottom concrete of the water outlet gate, and when the shut-off device is closed, the sill insert bears the weight of the shut-off device, and at the same time, the sill insert also serves as a water stop seat surface to be attached to the gate leaves.

As a further scheme of the invention, the main roller moves in the main guide rail, the side rollers move in the side guide rails, the axis of the main roller and the axis of the side rollers are mutually vertical, the radius of the main roller is larger than that of the side rollers, the main roller plays a main supporting and moving function, the side rollers play a corresponding auxiliary role, the main roller, the side rollers, the main guide rail and the side guide rails form a roller mechanism of the cutoff device, and the roller mechanism is arranged to ensure that the gate leaves can move up and down with less labor and can restrict the positions of the gate leaves, so that the gate leaves are always attached to the gate grooves in the process of moving up and down.

As a further scheme of the invention, the gate leaf comprises a gate door plate, gate boundary beams and gate cross beams, wherein the gate door plate is made of steel metal plates, the gate boundary beams are welded on the periphery of the gate door plate and are vertical to the surface of the gate door plate, and the gate cross beams are welded on the gate door plate and the gate boundary beams and are used for increasing the rigidity and the strength of the gate leaf.

As a further scheme of the invention, the lifting lugs are fixedly connected with the gate blades through bolts, and when the flow cutoff device needs to be overhauled, the whole flow cutoff device is lifted off the water surface through the lifting lugs by an external crane, so that the follow-up overhaul of workers is facilitated.

As a further scheme of the invention, the buffer rubber block is connected with the gate leaf through a bolt, and when the gate leaf falls and cuts off the flow, the buffer rubber block can prevent the gate leaf and the sill embedded part from being damaged due to rigid impact, and protect the gate leaf and the sill embedded part.

As a further scheme of the invention, the first gate water-stop rubber component comprises a first rubber pad, a rubber water-stop belt and a second rubber pad, the rubber water-stop belt is positioned between the first rubber pad and the second rubber pad and is of a P-type structure, the first gate water-stop rubber component is connected with the gate door leaf through a bolt, the gate door leaf is tightly attached to the gate slot through the first gate water-stop rubber component to prevent water from penetrating between the gate door leaf and the gate slot, the second gate water-stop rubber component is of the same structure as the first gate water-stop rubber component, the second gate water-stop rubber component is connected with the gate door leaf through a bolt, the gate door leaf is tightly attached to the sill embedded part through the second gate water-stop rubber component to prevent water from penetrating between the gate door leaf and the sill embedded part.

As a further scheme of the invention, the flap valve base is connected with the gate leaf through a bolt.

As a further scheme of the invention, two flap door leaves are arranged on the gate door leaf, the two flap door leaves are arranged on the left and right sides and have the same structure, each flap door leaf comprises a flap door panel, flap edge beams and flap door cross beams, each flap door panel is a steel metal plate, the flap edge beams are welded on the periphery of each flap door panel, the flap edge beams are perpendicular to the surface of each flap door panel, and the flap door cross beams are welded on the flap door panels and the flap edge beams and are used for increasing the rigidity and the strength of the flap door leaves.

As a further scheme of the invention, the flap valve water-stop rubber component and the first gate water-stop rubber component have the same structure, the flap valve water-stop rubber component is connected with the gate leaf through a bolt, and when the flap valve leaf is in a closed state, the flap valve water-stop rubber component can realize the sealing between the flap valve leaf and the gate leaf and prevent water from permeating between the flap valve leaf and the gate leaf.

The invention has the beneficial effects that:

the invention provides a rapid cut-off device of a large-scale drainage pumping station, which is easy to disassemble and inspect and convenient to maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a sectional view of a large flooded pump station;

FIG. 2 is a schematic structural diagram of a rapid flow-off device of a large-scale drainage pumping station according to the invention;

FIG. 3 is a simplified diagram of the interrupt flow device of FIG. 2;

FIG. 4 is a side view of the cutout flow arrangement of FIG. 3;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 6 is a schematic structural view of a first gate water stop rubber assembly of the present invention.

In the figure: 1. a water inlet flow channel; 2. a submersible electric pump; 3. a well cover; 4. a water outlet flow channel; 5. a flow interrupter device; 6. a middle partition pier; 7. a sill embedment; 8. a door slot; 81. a main guide rail; 82. a side rail; 9. a gate leaf; 91. a square hole; 92. a gate panel; 93. a gate edge beam; 94. a gate beam; 10. a flap valve door leaf; 101. a flap door panel; 102. a flap door edge beam; 103. a flap valve beam; 11. a main roller; 12. a side roller; 13. lifting lugs; 14. a buffer rubber block; 15. a first gate water stop rubber component; 151. a rubber waterstop; 152. a first rubber pad; 153. a second rubber pad; 16. a second gate water stop rubber component; 17. a flap valve base; 18. a hinge; 19. flap valve stagnant water rubber subassembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, water on the inland river side flows through a water inlet channel 1 to reach a submersible electric pump 2, the submersible electric pump 2 is fixed in a pump pit through a well cover 3, and the water is lifted to a water outlet channel 4 through the submersible electric pump 2 and is finally discharged to the inland river side through a cut-off device 5;

referring to fig. 2-6, a middle partition pier 6 is arranged in the middle of the water outlet flow passage 4 and used for improving the water flow state, the middle partition pier 6 divides the water outlet gate into a left part and a right part, the left part and the right part are respectively provided with a water cut-off device, the two water cut-off devices 5 are identical in structure and respectively comprise a bottom sill embedded part 7, a gate slot 8, a gate door leaf 9 and a flap door leaf 10, the bottom sill embedded part 7 is fixed at the bottom of the water outlet gate, the gate slot 8 is fixed on two sides of the water outlet gate, a plurality of main rollers 11 and side rollers 12 are arranged on two sides of the gate door leaf 9, the main rollers 11 and the side rollers 12 are attached to the gate slot 8 and stably run up and down, a square hole 91 is formed in the gate door leaf 9, the flap door leaf 10 is installed on the square hole 91, and the square hole 91 is sealed by the flap door leaf 10;

the sill embedded part 7 is fixed in the bottom concrete of the water outlet gate, when the cutoff device 5 is closed, the sill embedded part 7 is used for bearing the weight of the cutoff device 5, and meanwhile, the sill embedded part 7 is also used as a water stop seat surface and is attached to a gate leaf 9;

the gate slot 8 is provided with a main guide rail 81 and a side guide rail 82, the main roller 11 moves in the main guide rail 81, the side roller 12 moves in the side guide rail 82, the axis of the main roller 11 is perpendicular to the axis of the side roller 12, the radius of the main roller 11 is larger than that of the side roller 12, the main roller 11 plays a main supporting and moving role, the side roller 12 plays a corresponding auxiliary role, the main roller 11, the side roller 12, the main guide rail 81 and the side guide rail 82 form a roller mechanism of the cutoff device 5, the roller mechanism not only can save labor when the gate vanes 9 move up and down, but also can restrict the positions of the gate vanes 9, so that the gate vanes 9 are always attached to the gate slot 8 in the up and down moving process;

the gate leaf 9 comprises a gate door panel 92, a gate edge beam 93 and a gate cross beam 94, wherein the gate door panel 92 is a steel metal plate, the gate edge beam 93 is welded on the periphery of the gate door panel 92, the gate edge beam 93 is vertical to the surface of the gate door panel 92, and the gate cross beam 94 is welded on the gate door panel 92 and the gate edge beam 93 and is used for increasing the rigidity and strength of the gate leaf 9;

a plurality of lifting lugs 13 are arranged on a gate side beam 93 at the upper end of the gate leaf 9, the lifting lugs 13 are fixedly connected with the gate side beam 93 through bolts, when the current breaker 5 needs to be overhauled, an external crane lifts the whole current breaker 5 off the water surface through the lifting lugs 13, and the subsequent overhaul of workers is facilitated;

a plurality of buffer rubber blocks 14 are arranged on a gate side beam 93 at the bottom of the gate leaf 9, the buffer rubber blocks 14 are connected with the gate side beam 93 through bolts, and when the gate leaf 9 falls and is cut off, the buffer rubber blocks 14 can prevent the gate leaf 9 and the sill embedded part 7 from being damaged due to rigid impact, so that the gate leaf 9 and the sill embedded part 7 are protected;

a first gate water-stopping rubber component 15 is arranged at the position where a gate flap 9 is jointed with a gate groove 8, the first gate water-stopping rubber component 15 comprises a first rubber pad 152, a rubber water-stopping belt 151 and a second rubber pad 153, the rubber water-stopping belt 151 is positioned between the first rubber pad 152 and the second rubber pad 153 and is of a P-type structure, the first gate water-stopping rubber component 15 is connected with the gate flap 9 through a bolt, the gate flap 9 is tightly jointed with the gate groove 8 through the first gate water-stopping rubber component 15 to prevent water from permeating between the gate flap 9 and the gate groove 8, a second gate water-stopping rubber component 16 is arranged at the position where the gate flap 9 is jointed with a sill embedded part 7, the structures of the second gate water-stopping rubber component 16 and the first gate water-stopping rubber component 15 are the same, the second gate water-stopping rubber component 16 is connected with the gate flap 9 through a bolt, the gate flap 9 is tightly jointed with the sill embedded part 7 through the second gate water-stopping rubber component 16, preventing water from penetrating between the gate flap 9 and the sill insert 7;

the gate leaf 9 is provided with a square hole 91, the periphery of the square hole 91 is fixedly provided with a flap valve base 17, the flap valve base 17 is connected with the gate leaf 9 through bolts, a plurality of hinges 18 are arranged above the flap valve base 17, the flap valve leaf 10 is connected with the gate leaf 9 through the hinges 18, the gate leaf 9 is provided with two flap valve leaves 10, and the two flap valve leaves 10 are arranged left and right and have the same structure;

the flap valve leaf 10 comprises a flap valve door plate 101, a flap valve boundary beam 102 and a flap valve cross beam 103, the flap valve door plate 101 is a steel metal plate, the flap valve boundary beam 102 is welded around the flap valve door plate 101, the flap valve boundary beam 102 is perpendicular to the surface of the flap valve door plate 101, and the flap valve cross beam 103 is welded on the flap valve door plate 101 and the flap valve boundary beam 102 and is used for increasing the rigidity and the strength of the flap valve leaf 10;

the flap valve water-stopping rubber component 19 is fixed on the periphery of the square hole 91 and on the inner side of the flap valve base 17, the flap valve water-stopping rubber component 19 and the first gate water-stopping rubber component 15 are identical in structure, the flap valve water-stopping rubber component 19 is connected with the gate leaf 9 through a bolt, when the flap valve leaf 10 is in a closed state, the flap valve water-stopping rubber component 19 can seal the flap valve leaf 10 and the gate leaf 9, and water is prevented from permeating between the flap valve leaf 10 and the gate leaf 9.

When the present invention needs to be overhauled, an external crane is connected to the lifting lug 13, the external crane is started, the main roller 11 and the side roller 12 of the current interruptive device 5 move upward along the gate groove 8 under the traction of the external crane, when the whole current interruptive device 5 is disconnected from the water surface, the external crane stops moving, at this time, the external crane fixes the current interruptive device 5 at a position above the water surface, and the worker can perform the overhauling work without submerging in the water.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a large-scale drainage pumping station cuts off device fast, including sill embedded part (7), gate slot (8), gate door leaf (9) and flap door leaf (10), a serial communication port, sill embedded part (7) is fixed in the bottom of play water gate mouth, the both sides of play water gate mouth are fixed with gate slot (8), be equipped with leading rail (81) and side guide rail (82) on gate slot (8), the top of gate door leaf (9) is equipped with a plurality of lug (13), the both sides of gate door leaf (9) are equipped with a plurality of main gyro wheel (11) and side gyro wheel (12), smooth operation about main gyro wheel (11) and side gyro wheel (12) laminating gate slot (8), it has opening (91) on gate door leaf (9), install flap door square door leaf (10) on square hole (91), flap door square hole (91) are sealed by flap door leaf (10).

2. The rapid flow-cutting device for the large-scale waterlogging drainage pumping station according to claim 1, wherein a flap valve base (17) is fixed around the square hole (91), a plurality of hinges (18) are installed above the flap valve base (17), a flap valve leaf (10) is connected with a gate valve leaf (9) through the hinges (18), and flap valve water-stopping rubber components (19) are fixed around the square hole (91) and on the inner side of the flap valve base (17).

3. The rapid flow-cutting device for the large-scale drainage pumping station according to claim 2, wherein the flap valve base (17) is connected with the gate leaf (9) through a bolt.

4. The rapid flow-cutting device for the large-scale drainage pumping station according to claim 2, wherein the flap valve water-stop rubber component (19) is connected with the gate leaf (9) through a bolt.

5. The large-scale drainage pumping station rapid cut-off device according to claim 1, wherein a plurality of buffer rubber blocks (14) are arranged at the bottom of the gate leaf (9), a first gate water-stop rubber assembly (15) is arranged at the position where the gate leaf (9) is attached to the gate groove (8), and a second gate water-stop rubber assembly (16) is arranged at the position where the gate leaf (9) is attached to the sill embedded part (7).

6. The rapid flow-cutting device for the large-scale drainage pumping station according to claim 5, wherein the buffer rubber block (14) is connected with the gate blade (9) through a bolt.

7. The large-scale drainage pumping station rapid cut-off device according to claim 5, wherein the first gate water-stop rubber component (15) is connected with the gate door leaf (9) through a bolt, the gate door leaf (9) is tightly attached to the gate slot (8) through the first gate water-stop rubber component (15), the second gate water-stop rubber component (16) is connected with the gate door leaf (9) through a bolt, and the gate door leaf (9) is tightly attached to the sill embedded part (7) through the second gate water-stop rubber component (16).

8. The rapid water cut-off device for the large-scale drainage pumping station according to claim 1, wherein the main roller (11) moves in the main guide rail (81), the side roller (12) moves in the side guide rail (82), the axis of the main roller (11) and the axis of the side roller (12) are perpendicular to each other, and the radius of the main roller (11) is larger than that of the side roller (12).

9. The rapid cut-off device for the large-scale drainage pumping station according to claim 1, wherein two flap valve leaves (10) are mounted on the gate valve leaf (9), and the two flap valve leaves (10) are placed left and right and have the same structure.