Full tubular pump for gate

Abstract

The utility model discloses a full tubular pump for a gate, which relates to the technical field of pumps and comprises a motor casing, a water inlet guide vane body is mounted at one end of the motor casing, a water outlet guide vane body is mounted at the other end of the motor casing, a stator is mounted in the motor casing, and a rotor is mounted on the inner side of the stator. Water flow enters from the water inlet of the pump, the water inlet guide vane body can guide the water flow to enter the rotor at a proper angle and speed, the water flow entering the rotor starts to rotate and accelerate under the pushing of the rotor, and the water flow accelerated by the rotor flows out through the water outlet guide vane body. The water outlet guide vane body can convert rotational motion of water flow into axial linear motion, so that the water flow can flow out of the pump body more stably, the influence of turning and special-shaped pipes is reduced, the flow velocity distribution is uniform, the flow channel loss is small, and the overall working efficiency is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump technical field especially relates to gate is with whole through -flow pump. BACKGROUND

[0002] In the flood control and drainage system of city, need install efficient drainage equipment in the river, sluice etc. position, carry out water treatment to water flow through the pump body.

[0003] In prior art, when the general pump body is applied in the pump station, in the process that water flow enters and flows out the pump body, due to its structural features, there are more bends and complex flow channels, which leads to greater hydraulic loss, when water flow passes through these complex flow channels, vortex, turbulence and other adverse flow patterns are generated, which increases energy loss and reduces the actual operation efficiency of the pump. UTILITY MODEL CONTENTS

[0004] The utility model discloses a gate is with whole through -flow pump to solve the prior art in the existing more bends and complex flow channels, which leads to greater hydraulic loss, and is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: gate is with whole through -flow pump, including motor shell, the one end of motor shell is installed with water inlet guide vane body, the other end of motor shell is installed with water outlet guide vane body, the inside installation of motor shell has stator, the inside installation of stator has rotor, the middle part of rotor is installed with main shaft, the one end of main shaft is installed with flat key, the junction of main shaft and rotor is installed with first bearing, the both ends of first bearing are all provided with second bearing, two second bearings are installed in the junction of main shaft and rotor, the outside of main shaft is installed with round nut, the both ends of the junction of main shaft and rotor are installed with bearing cover, the one side of bearing cover is installed with internal hexagon bolt, bearing cover and rotor are fixedly connected through internal hexagon bolt, the middle part of bearing cover is sleeved on the outside of main shaft, the junction of bearing cover and main shaft is installed with skeleton seal ring, the one end of skeleton seal ring is installed with elastic baffle ring, the outside of bearing cover is installed with mechanical seal.

[0006] Preferably, the one side of the bearing cover is fixedly connected with a first O-shaped sealing ring, and the one side of the first O-shaped sealing ring is clamped on the one side of the motor shell.

[0007] Preferably, the one side of the bearing cover is installed with a plug screw.

[0008] Preferably, the junction of the motor shell and the water inlet guide vane body is installed with an O-shaped sealing strip, and a third external hexagonal screw is fixedly connected between the water outlet guide vane body and the motor shell.

[0009] Preferably, a fourth external hexagonal bolt is installed at one end of the water outlet guide vane body, and a clamping ring is fixedly connected to one end of the water outlet guide vane body.

[0010] Preferably, the motor housing is externally fixedly connected to a first external hexagonal bolt, and one end of the first external hexagonal bolt is fixedly connected to a lifting device.

[0011] Preferably, the exterior of the motor housing is provided with rivets, and a nameplate is mounted on the motor housing by means of the rivets.

[0012] Preferably, a cable is installed at one end of the stator, and one end of the cable passes through one side of the motor housing. An inlet sealing ring is installed at the connection between the cable and the motor housing. A second external hexagonal bolt is installed at one end of the inlet sealing ring. A pressure sealing flange is installed in the middle of the second external hexagonal bolt. The middle part of the pressure sealing flange is installed outside the cable.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, water enters from the pump inlet, and the inlet guide vane can guide the water to enter the rotor at a suitable angle and speed. The water entering the rotor begins to rotate and accelerate under the push of the rotor. After being accelerated by the rotor, the water flows out through the outlet guide vane. The outlet guide vane can convert the rotational motion of the water into axial linear motion, so that the water flows out of the pump body more smoothly, reducing the influence of bends and irregular pipes, resulting in uniform flow velocity distribution, small flow channel loss, and significantly improved overall working efficiency.

[0015] 2. In this utility model, through the cooperation between the first bearing and the second bearing installed on both sides, the rotor rotates with the first bearing and the second bearing. The main shaft is only subjected to bending moment and does not transmit torque. Moreover, the water flow over the surface of the bearing cover can carry away the heat generated by the first bearing and the second bearing, so that the first bearing and the second bearing can work in a good environment, further improving the operational stability of the entire equipment. Attached Figure Description

[0016] Figure 1 This utility model provides a schematic diagram of the internal planar structure of a full-flow pump for gates;

[0017] Figure 2 This utility model proposes a full-flow pump for gates. Figure 1 A magnified schematic diagram of the structure at point A;

[0018] Figure 3 This utility model proposes a full-flow pump for gates. Figure 1 A magnified schematic diagram of the structure at point B.

[0019] Legend: 1. Inlet guide vane; 2. Bearing cover; 3. Motor housing; 4. Stator; 5. Rotor; 6. Main shaft; 7. Outlet guide vane; 8. Pressure ring; 9. Lifting device; 10. Pressure sealing flange; 11. Mechanical seal; 12. Elastic retaining ring; 13. Skeleton sealing ring; 14. First O-ring seal; 15. O-ring sealing strip; 16. First external hex bolt; 17. Rivet; 18. Nameplate; 19. First bearing; 20. Second bearing; 21. Round nut; 22. Inlet sealing ring; 23. Cable; 24. Second external hex bolt; 25. Third external hex bolt; 26. Internal hex bolt; 27. Plug screw; 28. Flat key; 29. ​​Fourth external hex bolt. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a full-flow pump for gates, including a motor housing 3. One end of the motor housing 3 is equipped with an inlet guide vane 1, and the other end is equipped with an outlet guide vane 7. A stator 4 is installed inside the motor housing 3, and a rotor 5 is installed inside the stator 4. A main shaft 6 is installed in the middle of the rotor 5. A flat key 28 is installed at one end of the main shaft 6. A first bearing 19 is installed at the connection between the main shaft 6 and the rotor 5. Two second bearings 20 are provided at both ends of the first bearing 19. The two second bearings 20 are installed at the connection between the main shaft 6 and the rotor 5. A round nut 21 is installed on the outside of the main shaft 6. Bearing covers 2 are installed at both ends of the rotor 5 connection. An internal hex bolt 26 is installed on one side of the bearing cover 2. The bearing cover 2 and the rotor 5 are fixedly connected by the internal hex bolt 26. The middle part of the bearing cover 2 is fitted over the outside of the main shaft 6. A skeleton seal ring 13 is installed at the connection between the bearing cover 2 and the main shaft 6. An elastic retaining ring 12 is installed at one end of the skeleton seal ring 13. A mechanical seal 11 is installed on the outside of the bearing cover 2. A first O-ring seal 14 is fixedly connected to one side of the bearing cover 2. One side of the first O-ring seal 14 is engaged with one side of the motor housing 3. A plug screw 27 is installed on one side of the bearing cover 2.

[0023] The inlet guide vane 1 is located at one end of the motor housing 3, and can initially guide and rectify the water flow about to enter the pump body, ensuring that the water flow is relatively uniform and flows to the area of ​​the rotor 5 at a suitable angle and speed. The stator 4 is the key component of the motor to generate a rotating magnetic field, providing electromagnetic driving force for the rotation of the rotor 5. The main shaft 6 is installed in the middle of the rotor 5, which can support the movement of the rotor 5. The first bearing 19 can effectively reduce the frictional resistance between the main shaft 6 and the rotor 5. The two second bearings 20 further enhance the support for the main shaft 6 and the rotor 5, so that the entire rotating component can operate in a stable state. The round nut 21 prevents the main shaft 6 from axial displacement during operation, ensuring the relative position between the components. The bearing cover 2 ensures stability and prevents dust, impurities, and other foreign objects from entering the bearing and affecting its normal operation. The skeleton seal ring 13 effectively prevents lubricating oil from leaking from the bearing and also prevents external moisture and impurities from entering the bearing area. The elastic retaining ring 12 fixes the skeleton seal ring 13 and prevents it from shifting during operation. The mechanical seal 11 effectively prevents liquid in the pump body from leaking to the outside when the main shaft 6 rotates at high speed, and also prevents external air and other substances from entering the pump body, ensuring the pressure environment inside the pump body and the normal delivery of liquid. The water outlet guide vane 7 converts the rotational motion of the water flow into axial linear motion, allowing the water to flow out of the pump body more smoothly.

[0024] Example 2: Figure 1 - Figure 3 As shown, an O-ring seal 15 is installed at the connection between the motor housing 3 and the inlet guide vane 1. A third external hexagonal bolt 25 is fixedly connected between the outlet guide vane 7 and the motor housing 3. A fourth external hexagonal bolt 29 is installed at one end of the outlet guide vane 7, and a clamping ring 8 is fixedly connected to one end of the outlet guide vane 7. A first external hexagonal bolt 16 is fixedly connected to the outside of the motor housing 3, and a lifting device 9 is fixedly connected to one end of the first external hexagonal bolt 16. A rivet 17 is provided on the outside of the motor housing 3, and a nameplate 18 is installed on the motor housing 3 through the rivet 17. A cable 23 is installed at one end of the stator 4. One end of the cable 23 passes through one side of the motor housing 3. An inlet sealing ring 22 is installed at the connection between the cable 23 and the motor housing 3. A second external hexagonal bolt 24 is installed at one end of the inlet sealing ring 22. A pressure sealing flange 10 is installed in the middle of the second external hexagonal bolt 24, and the middle of the pressure sealing flange 10 is installed outside the cable 23.

[0025] O-shaped sealing strip 15 is made of rubber material with good elasticity and corrosion resistance, which prevents water from leaking from the connection between the water inlet guide vane body 1 and the motor shell 3 during pump operation, ensures the sealing of the water flow channel, the third outer hexagonal bolt 25 tightly combines the water outlet guide vane body 7 with the motor shell 3 to form a stable overall structure, which can withstand the impact force and vibration generated by the water flow when flowing out of the pump body, the compression ring 8 tightly cooperates with the water outlet guide vane body 7 to compress and fix some sealing parts or other key parts inside, ensuring the normal operation of the entire pump body, the wire compression sealing flange 10 is used to fix and seal the cable 23, the cable 23 enters the motor shell 3 through the wire sealing ring 22 to provide power supply for the motor, the lifting device 9 facilitates the lifting operation of the entire equipment during installation, maintenance and transportation, improves the work efficiency, and the label 18 usually marks the model, parameters, manufacturer and other important information of the equipment, which is convenient for users to identify and understand the equipment.

[0026] The use method and working principle of the device are as follows: water flows into the pump inlet, the water inlet guide vane body 1 is arranged at the water inlet, which is used to guide the water flow to enter the rotor 5 at a suitable angle and speed, so that the water flow can be uniformly distributed on the inlet circumference of the rotor 5, ensuring that the water flow can smoothly enter the area where the rotor 5 is located and can interact with the rotor 5 in the optimal state, during the operation of the motor, the rotor 5 rotates through electromagnetic induction, the water flow entering the rotor 5 starts to rotate and accelerate under the push of the rotor 5, which can convert the torque transmitted by the motor into kinetic energy and pressure energy of the water flow, the water flow accelerated by the rotor 5 flows out through the water outlet guide vane body 7, the water outlet guide vane body 7 can convert the rotational motion of the water flow into axial linear motion, and convert part of the kinetic energy of the water flow into pressure energy, so that the water flow flows out of the pump body more smoothly.

[0027] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. A full flow pump for a sluice gate, comprising a motor housing (3), characterized in that: The one end of the motor shell (3) is provided with an inlet guide vane body (1), the other end of the motor shell (3) is provided with an outlet guide vane body (7), the inside of the motor shell (3) is provided with a stator (4), the inside of the stator (4) is provided with a rotor (5), the middle part of the rotor (5) is provided with a main shaft (6), the one end of the main shaft (6) is provided with a flat key (28), the connecting part of the main shaft (6) and the rotor (5) is provided with a first bearing (19), the two ends of the first bearing (19) are provided with a second bearing (20), the two second bearings (20) are installed at the connecting part of the main shaft (6) and the rotor (5), the outside of the main shaft (6) is provided with a round nut (21), the two ends of the connecting part of the main shaft (6) and the rotor (5) are provided with a bearing cover (2), the one side of the bearing cover (2) is provided with an inner hexagonal bolt (26), the bearing cover (2) and the rotor (5) are fixedly connected through the inner hexagonal bolt (26), the middle part of the bearing cover (2) is sleeved on the outside of the main shaft (6), the connecting part of the bearing cover (2) and the main shaft (6) is provided with a skeleton sealing ring (13), the one end of the skeleton sealing ring (13) is provided with an elastic baffle (12), the outside of the bearing cover (2) is provided with a mechanical seal (11).

2. The full flow pump for a sluice gate according to claim 1, characterized by: The one side of the bearing cover (2) is fixedly connected with a first O-shaped sealing ring (14), and the one side of the first O-shaped sealing ring (14) is clamped on the one side of the motor shell (3).

3. The full flow pump for a sluice gate according to claim 1, characterized by: The one side of the bearing cover (2) is provided with a plug screw (27).

4. The full flow pump for a sluice gate according to claim 1, characterized by: The connecting part of the motor shell (3) and the inlet guide vane body (1) is provided with an O-shaped sealing strip (15), and the third outer hexagonal bolt (25) is fixedly connected between the outlet guide vane body (7) and the motor shell (3).

5. The full flow pump for a sluice gate according to claim 1, characterized by: The one end of the outlet guide vane body (7) is provided with a fourth outer hexagonal bolt (29), and the one end of the outlet guide vane body (7) is fixedly connected with a pressing ring (8).

6. The full flow pump for a sluice gate according to claim 1, characterized by: The outside of the motor shell (3) is fixedly connected with a first outer hexagonal bolt (16), and the one end of the first outer hexagonal bolt (16) is fixedly connected with a hoisting device (9).

7. The full flow pump for a sluice gate according to claim 1, characterized by: The outside of the motor shell (3) is provided with a rivet (17), and the motor shell (3) is provided with a label (18) through the rivet (17).

8. The fully perforated pump for a sluice gate according to claim 1, characterized in that: The one end of the stator (4) is provided with a cable (23), the one end of the cable (23) penetrates through the one side of the motor shell (3), the connecting part of the cable (23) and the motor shell (3) is provided with a wire inlet sealing ring (22), the one end of the wire inlet sealing ring (22) is provided with a second outer hexagonal bolt (24), the middle part of the second outer hexagonal bolt (24) is provided with a wire pressing sealing flange (10), and the middle part of the wire pressing sealing flange (10) is installed on the outside of the cable (23).

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