Integrated pump gate with bidirectional drainage function and pump thereof

Abstract

The integrated pump gate with the two-way drainage function comprises a gate body and a submersible pump, the submersible pump is installed in an inner cavity of the gate, the submersible pump is integrated on the gate body to form the integrated pump gate, and the rotating axis of the submersible pump is vertically arranged; the gate is characterized in that the reverse water outlet pipe is higher than the forward water inlet pipe, the forward water outlet pipe is higher than the reverse water inlet pipe, the forward water inlet pipe is as high as the reverse water inlet pipe, the reverse water outlet pipe is as high as the forward water outlet pipe, an inner cavity of the gate forms a part of a water flow path, and extra water flow pipelines do not need to be arranged. The device is simple and compact in structure and convenient to manufacture, transport and maintain; the output flow and pressure of the submersible pump can be ensured / improved, and the efficiency and performance of the submersible pump are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pump gates, and in particular to an integrated pump gate with a bidirectional drainage function and a pump thereof. Background Art

[0002] Prior art CN109404301A discloses a bidirectional drainage pump gate and control system, which requires additional water flow piping. CN206233172U discloses a bidirectional pump station structure that is hoisted as a whole, but does not have an integrated pump gate. CN206667365U discloses a well-mounted underground pump station structure with an integrated pump gate. CN207314484U discloses a pump gate and gate station for urban stormwater storage and regulation, which lacks forward inlet and outlet pipes and reverse inlet and outlet pipes.

[0003] Existing integrated pump gates still suffer from complex and uncompact structures, and are difficult to manufacture and maintain. Existing submersible pumps also suffer from significant vortexes and turbulence downstream of the impeller blades, limited water intake upstream of the impeller blades, and potential backflow upstream of the impeller blades. Consequently, the output flow, pressure, and efficiency of submersible pumps need to be further improved. Summary of the Invention

[0004] The present invention aims to overcome the shortcomings of the prior art by providing an integrated pump gate with bidirectional drainage capabilities and a pump thereof. A submersible pump is integrated into the gate body to form the integrated pump gate. The gate cavity forms part of the water flow channel / path, eliminating the need for additional water pipes. Compared to the prior art, the present invention has a simpler and more compact structure, making it easier to manufacture, transport, and maintain. The design of the adjustment assembly reduces eddy currents / turbulence at the downstream end of the impeller blades, increases water intake at the upstream end of the impeller blades, and suppresses backflow at the upstream end of the impeller blades, thereby ensuring / enhancing the output flow rate and pressure of the submersible pump and improving the efficiency and performance of the submersible pump.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] An integrated pump gate with a two-way drainage function includes a gate body and a submersible pump. The gate body is provided with a gate inner cavity, and a submersible pump is installed in the gate inner cavity. The submersible pump is integrated in the gate body to form an integrated pump gate. The first side of the gate body is connected to a forward water inlet pipe and a reverse water outlet pipe, the forward water inlet pipe is connected to a forward water inlet valve, and the reverse water outlet pipe is connected to a reverse water outlet valve, the second side of the gate body is connected to a reverse water inlet pipe and a forward water outlet pipe, the reverse water inlet pipe is connected to a reverse water inlet valve, and the forward water outlet pipe is connected to a forward water outlet valve, and the rotation axis of the submersible pump is vertically arranged; it is characterized in that: the height of the reverse water outlet pipe is greater than the height of the forward water inlet pipe, the height of the forward water outlet pipe is greater than the height of the reverse water inlet pipe, the forward water inlet pipe and the reverse water inlet pipe are at the same height, the reverse water outlet pipe and the forward outlet pipe are at the same height, and the gate inner cavity constitutes a part of the water flow path.

[0007] Furthermore, the water flow path 1 is: forward water inlet pipe → gate inner cavity → submersible pump → gate inner cavity → forward water outlet pipe; the water flow path 2 is: reverse water inlet pipe → gate inner cavity → submersible pump → gate inner cavity → reverse water outlet pipe.

[0008] Furthermore, a guide rail is provided in the gate cavity of the gate body, and the guide rail is used for guiding the submersible pump when it is hoisted; a cover plate is installed on the upper end of the gate body, and the cover plate facilitates the hoisting and maintenance of the submersible pump.

[0009] A submersible pump with an integrated pump gate having a two-way drainage function, the submersible pump comprising a pump body and a motor, the pump body comprising an outer casing and an impeller, the outer casing comprising an inlet bell pipe, a transition pipe and a diffuser connected in sequence, the impeller being correspondingly arranged in the transition pipe, and the guide vanes being correspondingly arranged in the diffuser; the characteristic is that an adjusting component is connected to the outer circumferential surface of the transition pipe, a plurality of adjusting components are distributed along the circumferential direction, a first through hole and a second through hole are provided on the transition pipe, the adjusting component enables part of the water flow to be introduced to the upstream end of the impeller blades through the second through hole, and part of the water flow to be led out to the downstream end of the impeller blades through the first through hole.

[0010] Furthermore, the adjusting assembly includes a first rod body, a second rod body, a first adjusting plug, a third rod body, a second adjusting plug, a connecting ring, a support rod, and a spring. The upper end of the first rod body is hinged to the second rod body, the second rod body is connected to the first adjusting plug, the lower end of the first rod body is hinged to the third rod body, the third rod body is connected to the second adjusting plug, the first adjusting plug is movably connected to the first through hole, the second adjusting plug is movably connected to the second through hole, the connecting ring is sleeved on the outer periphery of the transition tube, the connecting ring is fixedly connected to the outer peripheral surface of the transition tube through multiple support rods, the first rod body and the connecting ring are rotatably connected, one end of the spring is connected to the outer peripheral surface of the transition tube, and the other end is connected to the first rod body.

[0011] Further, the first through hole and the second through hole are circular, rectangular, elliptical or triangular in cross section, and the first adjusting plug and the second adjusting plug are also circular, rectangular, elliptical or triangular in cross section, and the first adjusting plug is in small clearance fit with the first through hole, and the second adjusting plug is in small clearance fit with the second through hole.

[0012] Further, one or more springs are connected to each first rod body, and the springs are used to provide pre-tightening force and restoring force.

[0013] Further, one side of the first adjusting plug is provided with a first inclined surface, and the side is the side away from the second rod body; one side of the second adjusting plug is provided with a second inclined surface, and the side is the side close to the third rod body, and the first inclined surface and the second inclined surface play a role of flow guide.

[0014] Further, an adjusting bolt is mounted on the first rod body, one end of the spring is connected to the outer peripheral surface of the transition pipe, and the other end of the spring is connected to the adjusting bolt, the adjusting bolt is in threaded connection with the first rod body, and the pre-tightening force and the restoring force of the spring can be adjusted through the adjusting bolt.

[0015] Further, the blade installation angle of the impeller blade can be adjusted, and the pre-tightening force and the restoring force of the spring are adjusted by adjusting the screwing degree of the adjusting bolt according to the blade installation angle of the impeller blade.

[0016] The integrated pump gate with the bidirectional drainage function and the pump thereof have the following beneficial technical effects:

[0017] (1) The submersible pump is integrated in the gate body to form the integrated pump gate, the inner cavity of the gate forms part of the water flow passage / flow path, and no additional water flow pipeline needs to be arranged, and compared with the prior art, the structure is simple and compact, and the integrated pump gate is convenient to manufacture, transport and maintain.

[0018] (2) According to the design of the adjusting assembly, the water pressure drives the first adjusting plug to move, and in turn drives the second adjusting plug to move through the second rod body, the first rod body and the third rod body, the adjusting assembly can introduce part of the water flow to the upstream end of the impeller blade through the second through hole, and can lead out part of the water flow to the downstream end of the impeller blade through the first through hole, can reduce the vortex / turbulence at the downstream end of the impeller blade, can increase the water inflow at the upstream end of the impeller blade, and can inhibit the backflow at the upstream end of the impeller blade, so that the output flow and pressure of the submersible pump can be ensured / raised, and the efficiency and performance of the submersible pump can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a front view of the integrated pump gate with the bidirectional drainage function according to the present application;

[0020] Figure 2 FIG. 2 is a top view of the integrated pump gate with the bidirectional drainage function according to the present application.

[0021] Figure 3 This is a schematic diagram of the submersible pump structure of the integrated pump gate of the present invention;

[0022] Figure 4 This is a partial enlarged structural diagram of the submersible pump of the integrated pump gate of the present invention;

[0023] Figure 5 This is a partially enlarged structural diagram of the submersible pump with an integrated pump gate of the present invention.

[0024] In the figure: gate body 1, gate cavity 2, submersible pump 3, forward water inlet pipe 4, forward water inlet valve 5, reverse water inlet pipe 6, reverse water inlet valve 7, forward water outlet pipe 8, forward water outlet valve 9, reverse water outlet pipe 10, reverse water outlet valve 11, guide rail 12, cover plate 13; pump body 30, motor 31, inlet bell pipe 32, diffuser 33, impeller 34, guide vane 35, arc-shaped transition pipe 36, adjustment assembly 37, first rod body 38, second rod body 39, first adjusting plug 40, third rod body 41, second adjusting plug 42, connecting ring 43, support rod 44, spring 45, adjusting bolt / screw 46, first inclined surface 47, second inclined surface 48. DETAILED DESCRIPTION

[0025] To make the technical solution and its advantages of the present invention more clear, the technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of the present invention and are only used to explain the present invention, not to limit the present invention. It should be noted that, for ease of description, the accompanying drawings only show the parts / structures related to the present invention. Other related parts can refer to the general design. In the absence of conflict, the embodiments of the present invention and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0026] All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention. Furthermore, unless otherwise defined, technical or scientific terms used in the description of the present invention shall have the same meanings as those generally understood by persons of ordinary skill in the art to which the present invention belongs.

[0027] The present invention will be described in further detail below with reference to the accompanying drawings.

[0028] like Figures 1-5As shown, an integrated pump gate with a two-way drainage function includes a gate body 1 and a submersible pump 3. The gate body 1 has a gate cavity 2, and the gate cavity 2 is equipped with a submersible pump 3. The submersible pump 3 is integrated into the gate body 1 to form an integrated pump gate. The first side of the gate body 1 is connected to a forward water inlet pipe 4 and a reverse water outlet pipe 10. The forward water inlet pipe 4 is connected to a forward water inlet valve 5, and the reverse water outlet pipe 10 is connected to a reverse water outlet valve 11. The second side of the gate body 1 is connected to a reverse water inlet pipe 6 and a forward water outlet pipe 12. Pipe 8, the reverse water inlet pipe 6 is connected to a reverse water inlet valve 7, the forward water outlet pipe 8 is connected to a forward water outlet valve 9, and the rotation axis of the submersible pump 3 is vertically arranged; it is characterized in that: the height of the reverse water outlet pipe 10 is greater than the height of the forward water inlet pipe 4, the height of the forward water outlet pipe 8 is greater than the height of the reverse water inlet pipe 6, the forward water inlet pipe 4 and the reverse water inlet pipe 6 are at the same height, the reverse water outlet pipe 10 and the forward water outlet pipe 8 are at the same height, the gate inner cavity 2 constitutes a part of the water flow channel / flow path, and there is no need to set up additional redundant water flow pipes.

[0029] The water flow path 1 is: forward water inlet pipe 4 → gate inner cavity 2 → submersible pump 3 → gate inner cavity 2 → forward water outlet pipe 8; the water flow path 2 is: reverse water inlet pipe 6 → gate inner cavity 2 → submersible pump 3 → gate inner cavity 2 → reverse water outlet pipe 10.

[0030] A guide rail 12 is provided in the gate inner cavity 2 of the gate body 1, and the guide rail 12 is used to guide the submersible pump 3 when lifting; a cover plate 13 is installed on the upper end of the gate body 1 / gate inner cavity 2, and the cover plate 13 facilitates the lifting and maintenance of the submersible pump 3.

[0031] The present invention relates to an integrated pump gate and its pump with a two-way drainage function. The submersible pump 3 is integrated into the gate body 1 to form an integrated pump gate. The gate cavity 2 constitutes a part of the water flow channel / flow path, and no additional water flow pipes are required. Compared with the existing technologies (CN109404301A, CN206233172U, CN206667365U, CN207314484U), its structure is simple and compact, and it is easy to manufacture, transport and maintain.

[0032] like Figures 3-5As shown, a submersible pump with a two-way drainage function integrated pump gate, the submersible pump 3 comprises a pump body 30, a motor 31, the pump body 30 comprises a shell, an impeller 34, the shell comprises an inlet horn pipe 32, an arc transition pipe 36, a diffuser pipe 33 connected in turn, the arc transition pipe 36 is provided with the impeller 34 correspondingly, the diffuser pipe 33 is provided with a guide vane 35 correspondingly, the blade installation angle of the blade of the impeller 34 can be adjusted;Its characterized in that: the outer periphery of the transition pipe 36 is connected with the adjusting assembly 37, a plurality of adjusting assemblies 37 are uniformly distributed along the circumference, the first through hole / slot, the second through hole / slot are formed on the transition pipe 36, the adjusting assembly 37 makes it possible to introduce part of the water flow to the upstream end of the impeller blade through the second through hole, and part of the water flow is introduced to the downstream end of the impeller blade through the first through hole.

[0033] Further, the adjusting assembly 37 comprises a first rod body 38, a second rod body 39, a first adjusting plug 40, a third rod body 41, a second adjusting plug 42, a connecting ring 43, a support rod 44, a spring 45, the upper end of the first rod body 38 is hinged with the second rod body 39, the second rod body 39 is connected with the first adjusting plug 40, the lower end of the first rod body 38 is hinged with the third rod body 41, the third rod body 41 is connected with the second adjusting plug 42, the first adjusting plug 40 is movably connected in the first through hole, the second adjusting plug 42 is movably connected in the second through hole, the connecting ring 43 is sleeved on the outer periphery of the transition pipe 36, the connecting ring 43 is fixedly connected with the outer periphery of the transition pipe 36 through a plurality of support rods 44, the first rod body 38 is rotatably connected / hinged with the connecting ring 43, one end of the spring 45 is connected with the outer periphery of the transition pipe 36, and the other end is connected with the first rod body 38.

[0034] The cross section of the first through hole and the second through hole is circular or rectangular, etc., the first adjusting plug 40 and the second adjusting plug 42 also have corresponding circular or rectangular cross section, and the first adjusting plug 40 is matched with the first through hole with small gap / interval, and the second adjusting plug 42 is matched with the second through hole with small gap / interval.

[0035] One or more springs 45 are connected on each first rod body 38, and the spring 45 is used to provide pre-tightening force and restoring force.

[0036] The two-way drainage function integrated pump gate and the pump thereof can be adjusted by the design of the adjusting assembly 37, the water pressure drives the first adjusting plug 40 to move, and in turn drives the second adjusting plug 42 to move through the second rod body 39, the first rod body 38 and the third rod body 41, the adjusting assembly 37 makes it possible to introduce part of the water flow to the upstream end of the impeller blade through the second through hole, and part of the water flow is introduced to the downstream end of the impeller blade through the first through hole (such as Figure 5As shown in the figure, the arrow indicates the direction of water flow), it can reduce the vortex / turbulence at the downstream end of the impeller blades, increase the water intake at the upstream end of the impeller blades, and inhibit the backflow at the upstream end of the impeller blades, thereby ensuring / improving the output flow and pressure of the submersible pump 3 and improving the efficiency and performance of the submersible pump 3.

[0037] In one embodiment, a first inclined surface 47 is provided on one side of the first regulating plug 40, which is the side away from the second rod 39; a second inclined surface 48 is provided on one side of the second regulating plug 42, which is the side close to the third rod 41. The first inclined surface 47 and the second inclined surface 48 play a role in guiding the flow (such as Figure 5 As shown, arrows indicate the direction of water flow).

[0038] In one embodiment, an adjusting bolt / screw 46 is installed on the first rod body 38. One end of the spring 45 is connected to the outer circumference of the transition tube 36, and the other end is connected to the adjusting bolt 46. The adjusting bolt 46 is threadedly connected to the first rod body 38. The preset preload force and restoring force of the spring 45 can be adjusted by the adjusting bolt 46.

[0039] The blade installation angle of the impeller 34 is adjustable. The screwing degree of the adjusting bolt 46 is adjusted according to the blade installation angle of the impeller blade, thereby adjusting the preset preload force and restoring force of the spring 45.

[0040] The integrated pump gate with bidirectional drainage function and the pump thereof of the present invention have the following beneficial technical effects:

[0041] (1) The submersible pump 3 is integrated into the gate body 1 to form an integrated pump gate. The gate cavity 2 constitutes a part of the water flow channel / flow path. No additional water flow pipes are required. Compared with the existing technology, its structure is simple and compact, and it is easy to manufacture, transport and maintain.

[0042] (2) The present invention uses the design of the regulating assembly 37 to drive the first regulating plug 40 to move by water pressure, and drives the second regulating plug 42 to move in turn through the second rod 39, the first rod 38, and the third rod 41. The regulating assembly 37 allows part of the water flow to be introduced to the upstream end of the impeller blade through the second through hole, and part of the water flow to be led out to the downstream end of the impeller blade through the first through hole, which can reduce the vortex / turbulence at the downstream end of the impeller blade, increase the water intake at the upstream end of the impeller blade, and suppress the backflow at the upstream end of the impeller blade, thereby ensuring / improving the output flow and pressure of the submersible pump 3 and improving the efficiency and performance of the submersible pump 3.

[0043] The above-mentioned embodiments are illustrative of the present invention, not limiting thereof. It is understood that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated pump gate with a two-way drainage function, comprising a gate body (1) and a submersible pump (3), wherein the gate body has a gate inner cavity (2), a submersible pump is installed in the gate inner cavity, and the submersible pump is integrated with the gate body to form an integrated pump gate, wherein a first side surface of the gate body is connected to a forward water inlet pipe (4) and a reverse water outlet pipe (10), a forward water inlet pipe is connected to a forward water inlet valve (5), and a reverse water outlet pipe is connected to a reverse water outlet valve (11), a second side surface of the gate body is connected to a reverse water inlet pipe (6) and a forward water outlet pipe (8), a reverse water inlet pipe is connected to a reverse water inlet valve (7), and a forward water outlet pipe is connected to a forward water outlet valve (9), and a rotation axis of the submersible pump is vertically arranged; and characterized in that: The height of the reverse water outlet pipe is greater than that of the forward water inlet pipe, the height of the forward water outlet pipe is greater than that of the reverse water inlet pipe, the forward water inlet pipe and the reverse water inlet pipe are at the same height, the reverse water outlet pipe and the forward water outlet pipe are at the same height, and the gate cavity constitutes part of the water flow path.

2. The integrated pump gate with bidirectional drainage function according to claim 1, characterized in that: The first water flow path is: forward water inlet pipe → gate inner cavity → submersible pump → gate inner cavity → forward water outlet pipe; the second water flow path is: reverse water inlet pipe → gate inner cavity → submersible pump → gate inner cavity → reverse water outlet pipe.

3. The integrated pump gate with bidirectional drainage function as claimed in claim 2, characterized in that: A guide rail (12) is provided in the gate cavity of the gate body, and is used for guiding the submersible pump when it is hoisted; a cover plate (13) is installed on the upper end of the gate body, and the cover plate facilitates the hoisting and maintenance of the submersible pump.

4. A submersible pump with an integrated pump gate having a two-way drainage function, the submersible pump comprising a pump body (30), a motor (31), the pump body comprising a housing, an impeller (34), the housing comprising an inlet bell pipe (32), a transition pipe (36), and a diffuser (33) connected in sequence, the transition pipe being provided with an impeller, and the diffuser being provided with a guide vane (35); characterized in that: The outer circumferential surface of the transition pipe is connected to an adjustment component (37), and a plurality of adjustment components are distributed along the circumference. The transition pipe is provided with a first through hole and a second through hole. The adjustment component allows a portion of the water flow to be introduced to the upstream end of the impeller blade through the second through hole, and a portion of the water flow to be led out to the downstream end of the impeller blade through the first through hole.

5. A submersible pump with an integrated pump gate having a two-way drainage function as claimed in claim 4, characterized in that: The adjusting assembly comprises a first rod body (38), a second rod body (39), a first adjusting plug (40), a third rod body (41), a second adjusting plug (42), a connecting ring (43), a support rod (44), and a spring (45). The upper end of the first rod body is hingedly connected to the second rod body, the second rod body is connected to the first adjusting plug, the lower end of the first rod body is hingedly connected to the third rod body, the third rod body is connected to the second adjusting plug, the first adjusting plug is movably connected to the first through hole, the second adjusting plug is movably connected to the second through hole, the connecting ring is sleeved on the outer periphery of the transition pipe, the connecting ring is fixedly connected to the outer periphery of the transition pipe through a plurality of support rods, the first rod body is rotatably connected to the connecting ring, one end of the spring is connected to the outer periphery of the transition pipe, and the other end is connected to the first rod body.

6. A submersible pump with an integrated pump gate having a two-way drainage function as claimed in claim 5, characterized in that: The cross-sections of the first through hole and the second through hole are circular, rectangular, elliptical or triangular, and the first adjusting plug and the second adjusting plug also have corresponding circular, rectangular, elliptical or triangular cross-sections, and the first adjusting plug is matched with the first through hole with a small gap, and the second adjusting plug is matched with the second through hole with a small gap.

7. A submersible pump with an integrated pump gate having a two-way drainage function as claimed in claim 6, characterized in that: Each first rod is connected to one or more springs, and the springs are used to provide preload force and restoring force.

8. A submersible pump with an integrated pump gate having a two-way drainage function as claimed in claim 7, characterized in that: A first inclined surface (47) is provided on one side of the first regulating plug, and the side is away from the second rod body; a second inclined surface (48) is provided on one side of the second regulating plug, and the side is close to the third rod body. The first inclined surface and the second inclined surface play a role in guiding flow.

9. A submersible pump with an integrated pump gate having a two-way drainage function as claimed in claim 8, characterized in that: An adjusting bolt (46) is installed on the first rod body, one end of the spring is connected to the outer peripheral surface of the transition pipe, and the other end is connected to the adjusting bolt. The adjusting bolt is threadedly connected to the first rod body, and the preset preload force and restoring force of the spring can be adjusted by the adjusting bolt.

10. A submersible pump with an integrated pump gate having a bidirectional drainage function as claimed in claim 9, characterized in that: The blade installation angle of the impeller blade is adjustable. The screwing degree of the adjusting bolt is adjusted according to the blade installation angle of the impeller blade, thereby adjusting the preset preload force and restoring force of the spring.

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