CN213173586U

CN213173586U - High-efficient integration pump floodgate

Info

Publication number: CN213173586U
Application number: CN202021642709.9U
Authority: CN
Inventors: 李善庭; 黄学军; 王震; 张允敬; 叶昕
Original assignee: Lanshen Group Co ltd
Current assignee: Lanshen Group Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-11
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a high-efficiency integrated pump gate, which comprises a first maintenance gate, a working gate and a second maintenance gate which are arranged in sequence, wherein the working gate is also provided with a submersible pump; the submersible pump comprises an impeller, a water inlet loudspeaker, a shaft and a flap valve which are sequentially connected, wherein a motor is arranged in the shaft, the motor is fixedly connected with the inner wall of the shaft through a fixing frame, and a cable of the motor is distributed along the back water surface of the fixing frame and penetrates out of the shaft; the impeller is connected with the motor; the impeller is positioned in the water inlet trumpet. Adopt the utility model discloses high-efficient integrated pump floodgate through the reasonable runner form that sets up, lays the cable at the dorsal surface face of mount with the impeller setting in the loudspeaker of intaking for the axial dimension of immersible pump shortens, and the runner is more smooth and easy, guarantees high efficiency, the stability of water pump.

Description

High-efficient integration pump floodgate

Technical Field

The utility model belongs to the technical field of hydraulic engineering, particularly, relate to a high-efficient integration pump floodgate.

Background

In present hydraulic engineering, often can use the pump floodgate device that water pump and gate combine to form, traditional pump floodgate device, water pump and gate separate independent arrangement leads to construction cost and land cost all to rise. The existing pump gate device sometimes combines a water pump and a gate into a whole to form an integrated pump gate.

However, the design still has some defects, for example, the submersible pump has high requirement on the strength of the hydraulic structure due to large axial size and heavy weight, and the gravity center of the pump is outside the gate, and the gate pump is easy to vibrate, so that the safe use of the pump gate is influenced. Therefore, there is a strong need for a more axially shorter, more stable, and efficient integrated pump gate.

Disclosure of Invention

The utility model is not enough to the aforesaid, a high-efficient integration pump floodgate is provided, it is smooth and easy to guarantee the runner, and whole axial dimensions is short, and water pump efficiency is higher.

In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme:

a high-efficiency integrated pump gate comprises a first maintenance gate, a working gate and a second maintenance gate which are sequentially arranged, wherein a submersible pump is further arranged on the working gate; the submersible pump comprises an impeller, a water inlet loudspeaker, a shaft and a flap valve which are sequentially connected, wherein a motor is arranged in the shaft, the motor is fixedly connected with the inner wall of the shaft through a fixing frame, and a cable of the motor is distributed along the back water surface of the fixing frame and penetrates out of the shaft; the impeller is connected with the motor; the impeller is positioned in the water inlet trumpet.

Preferably, a water inlet section is formed between the working gate and the second maintenance gate, and a water outlet section is formed between the working gate and the first maintenance gate.

Preferably, the maximum outer diameter of the hub of the impeller is equal to the outer diameter of the motor; the blades of the impeller are in clearance fit with the shaft, and the distance between the tops of the blades and the wall surface of the shaft is 1-5 mm.

Preferably, the high-efficiency integrated pump gate further comprises a guide vane, and the guide vane is assembled on the inner wall of the well bore.

Preferably, the number of the guide vanes is 5-11.

Preferably, the motor comprises a mechanical seal seat and a bearing seat, the bearing seat is assembled in a shell of the motor, and the mechanical seal seat is assembled on the bearing seat.

Preferably, a first bearing, a second bearing, a first mechanical seal and a second mechanical seal are respectively assembled in the motor shell; the second bearing is close to the impeller; the first mechanical seal and the second mechanical seal are respectively matched with the bearing seat and the mechanical seal seat.

Preferably, the efficient integrated pump brake further comprises a junction box, wherein the junction box is connected with the motor and arranged on the fixing frame; the cable is led out from the center of the junction box to penetrate out of the fixing frame and is fixed on the back water surface of the fixing frame.

Preferably, the submersible pump is arranged at the lower part of the working gate.

Preferably, high-efficient integration pump floodgate still includes the grid scrubbing machine, the grid scrubbing machine assembly is in the section of intaking.

Compared with the prior art, the utility model discloses a high-efficient integration pump floodgate can guarantee that the runner is smooth and easy, and whole axial dimensions is short, and water pump efficiency is higher. The high-efficiency integrated pump gate comprises a first maintenance gate, a working gate and a second maintenance gate which are sequentially arranged, wherein a submersible pump is further arranged on the working gate and comprises an impeller, a water inlet loudspeaker, a shaft and a flap valve which are sequentially connected, a motor is arranged in the shaft and fixedly connected with the inner wall of the shaft through a fixing frame, and a cable of the motor is arranged along the back water surface of the fixing frame and penetrates out of the shaft; the impeller is connected with the motor; the impeller is positioned in the water inlet trumpet. Through setting up the impeller in the loudspeaker of intaking, lay the cable at the surface of a back of the body of mount for the axial dimension of immersible pump shortens, and the runner is more smooth and easy, guarantees high efficiency, the stability of water pump.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a submersible pump in an embodiment of the present invention.

The figure shows that: the system comprises a second maintenance gate 1, a work gate 2, a submersible pump 3, an impeller 301, a mechanical seal seat 302, a bearing seat 303, a guide vane 304, a motor 305, a junction box 306, a flap door 307, a fixed frame 308, a cable 309, a shaft 310, a first bearing 311, a second bearing 312, a first mechanical seal 313, a second mechanical seal 314, a water inlet horn 315, a grid sewage remover 4 and a first maintenance gate 5.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

As shown in fig. 1 and 2, the utility model discloses high-efficient integration pump floodgate, including first maintenance gate 5, work gate 2 and the second maintenance gate 1 of arranging in proper order still be provided with immersible pump 3 on the work gate 2. The submersible pump 3 comprises an impeller 301, a water inlet horn 315, a shaft 310 and a flap valve 307 which are connected in sequence, wherein a motor 305 is arranged in the shaft 310, the motor 305 is fixedly connected with the inner wall of the shaft 310 through a fixing frame 308, and a cable 309 of the motor 305 is arranged along the back surface of the fixing frame 308 and penetrates out of the shaft 310. The impeller 301 is connected to a motor 305. The impeller 301 is located in the water intake trumpet 315.

Wherein, the impeller 301 is arranged in the water inlet horn 315, so that the axial size of the submersible pump 3 is shortened; the cable 309 is fixed on the back surface of the fixing frame 308, so that the cable does not act on water flow, the whole water flow is smoother, and the efficiency is higher.

Preferably, a water inlet section is formed between the working gate 2 and the second maintenance gate 1, and a water outlet section is formed between the working gate 2 and the first maintenance gate 5. The upstream of the working gate 2 is provided with a second maintenance gate 1, the downstream of the working gate 2 is provided with a first maintenance gate 5, and the working gate 2 divides the integrated pump gate into an upstream space and a downstream space which are respectively a water inlet section and a water outlet section. And the control of water flow is completed by opening and closing each gate.

In the efficient integrated pump gate of the above embodiment, it is preferable that the maximum outer diameter of the hub of the impeller 301 is equal to the outer diameter of the motor 305. The blades of the impeller 301 are in clearance fit with the shaft 310, and the distance between the tops of the blades and the wall surface of the shaft 310 is 1-5 mm. The water inlet horn 315 is divided into a bending section and a horizontal section, the blades of the impeller 301 are positioned in the horizontal section, the horizontal section is flush with the shaft 310, and the blades of the impeller 301 are attached to the wall surface of the shaft 310 as far as possible, so that a water flow channel is as smooth as possible, the channel cannot be diffused, and the hydraulic loss is reduced.

Preferably, the high efficiency integrated pump gate further comprises a guide vane 304, the guide vane 304 being fitted on the inner wall of the wellbore 310. The number of the guide vanes 304 is 5-11. The vanes 304 eliminate rotational motion of the fluid from the impeller 301, reducing hydraulic losses and fluid velocity, enabling conversion of velocity energy into pressure energy.

Preferably, the motor 305 comprises a mechanical seal holder 302 and a bearing holder 303, the bearing holder 303 is assembled in a housing of the motor 305, and the mechanical seal holder 302 is assembled on the bearing holder 303.

Preferably, a first bearing 311, a second bearing 312, a first mechanical seal 313 and a second mechanical seal 314 are respectively assembled in the housing of the motor 305. The second bearing 312 is adjacent the impeller 301. The first mechanical seal 313 and the second mechanical seal 314 are fitted with the bearing housing 303 and the mechanical seal housing 302, respectively. The whole motor 305 and the impeller 301 are driven by arranging two bearings in front of each other; the motor 305 is sealed and integrated by the mechanical sealing seat 302, so that the structure is more reliable, and the sealing effect is ensured.

Preferably, the submersible pump 3 further comprises a junction box 306, and the junction box 306 is connected with the motor 305 and fixed on the fixing frame 308. The cable 309 is led out from the center of the junction box 306 to the fixing frame 308 and fixed on the back surface of the fixing frame 308, so that the cable is not influenced by water flow and the resistance of the fluid is reduced.

Preferably, the submersible pump 3 is arranged below the working gate 2. The purpose of this is to better adapt to the water flow height at the bottom, and the efficiency of treating the water flow is higher.

Preferably, still include grid sewage removing machine 4 in the high-efficient integrated pump floodgate, grid sewage removing machine 4 assembles in the section of intaking. The grill cleaner 4 is used to intercept the floating objects in the intake water and to move the dirt out of the intake section.

The working process of the efficient integrated pump gate of the embodiment is as follows: when the water level of the inland river rises to the early warning value and the water level of the foreign river is lower than the early warning value, the working gate 2, the first maintenance gate 5 and the second maintenance gate 1 are opened, and inland river water automatically flows to the foreign river to prevent inland inundation; when inland river and the water level of the other river all rise to the early warning value, then work gate 2 is closed, and first maintenance gate 5, second maintenance gate 1 are opened, open immersible pump 3 this moment and force the drainage, prevent the waterlogging, and rivers in the immersible pump 3 get into from intaking loudspeaker 315, under the effect of rotatory impeller 301, through the stator 304 in the pit shaft 310 again, reduce rotary motion, the runner smoothly flows, flow through mount 308 after, dash flap valve 307, discharge rivers.

Compared with the prior art, adopt the utility model discloses high-efficient integration pump floodgate through the reasonable form that sets up the runner, sets up the impeller in the loudspeaker of intaking, lays the cable at the dorsal surface face of mount for the axial dimension of immersible pump shortens, and the runner is more smooth and easy, guarantees high-efficient, the stability of water pump, and hydraulic loss diminishes, and pump floodgate efficiency is higher, and is more stable.

The embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. The efficient integrated pump gate is characterized by comprising a first maintenance gate (5), a working gate (2) and a second maintenance gate (1) which are sequentially arranged, wherein a submersible pump (3) is further arranged on the working gate (2); the submersible pump (3) comprises an impeller (301), and a water inlet loudspeaker (315), a shaft (310) and a flap valve (307) which are sequentially connected, wherein a motor (305) is arranged in the shaft (310), the motor (305) is fixedly connected with the inner wall of the shaft (310) through a fixed frame (308), and a cable (309) of the motor (305) is arranged along the back water surface of the fixed frame (308) and penetrates out of the shaft (310); the impeller (301) is connected with a motor (305); the impeller (301) is located in a water inlet horn (315).

2. A high-efficiency integrated pump gate according to claim 1, characterized in that a water inlet section is formed between the working gate (2) and the second service gate (1), and a water outlet section is formed between the working gate (2) and the first service gate (5).

3. The high efficiency integrated pump gate of claim 1, wherein the maximum outer diameter of the hub of the impeller (301) is equal to the outer diameter of the motor (305); the blades of the impeller (301) are in clearance fit with the shaft (310), and the distance between the tops of the blades and the wall surface of the shaft (310) is 1-5 mm.

4. The high efficiency integrated pump gate of claim 1, further comprising a guide vane (304), the guide vane (304) being mounted on an inner wall of the wellbore (310).

5. The high efficiency integrated pump gate of claim 4, characterized in that the number of guide vanes (304) is 5-11.

6. The high efficiency integrated pump gate as claimed in claim 1, wherein said motor (305) comprises a mechanical seal housing (302) and a bearing housing (303), said bearing housing (303) being fitted within a housing of said motor (305), said mechanical seal housing (302) being fitted over said bearing housing (303).

7. The high efficiency integrated pump brake of claim 6, wherein said motor (305) has a housing with a first bearing (311), a second bearing (312), a first mechanical seal (313) and a second mechanical seal (314) mounted therein, respectively; a second bearing (312) proximate the impeller; the first mechanical seal (313) and the second mechanical seal (314) are respectively adapted to the bearing seat (303) and the mechanical seal seat (302).

8. The high-efficiency integrated pump gate as claimed in claim 1, further comprising a junction box (306), wherein the junction box (306) is connected with the motor (305) and is arranged on the fixing frame (308); the cable (309) is led out from the center of the junction box (306) to the fixed frame (308) and fixed on the back surface of the fixed frame (308).

9. The high-efficiency integrated pump gate according to claim 1, characterized in that the submersible pump (3) is arranged below the working gate (2).

10. The high efficiency integrated pump gate of claim 1, further comprising a grate cleaner (4), the grate cleaner (4) being fitted within the water intake section.