CN212454857U

CN212454857U - Coupled submersible axial-flow pump

Info

Publication number: CN212454857U
Application number: CN202020448701.2U
Authority: CN
Inventors: 晁代锋; 王金雨
Original assignee: Tianjin Kairun Pump Co Ltd
Current assignee: Tianjin Kairun Pump Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-02
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to an axial-flow pump technical field discloses a manifold type dive axial-flow pump, including sealed lid, the top cap, bolster bearing housing, the shell, the step, the connecting cylinder, go up the bearing, the apparatus further comprises a rotating shaft, dive motor, the step, the bearing cap, the impeller, impeller head and stator, the top of top cap is followed the top through the bolt fastening at the last bearing frame outward in the bottom of top cap, bolster bearing housing sets up and follows outward in the top of shell, the bottom of top cap, bolster bearing housing, connect through the bolt between the top of shell, the top and the bottom of connecting cylinder all are provided with the connecting cylinder flange, bolted connection is passed through with the bottom of shell to the top of connecting cylinder, the bottom of connecting cylinder is followed outward and is followed through bolted connection with the top of step outward, the top and the bottom of stator all are provided with the stator ring flange, the stator top. The utility model discloses be convenient for processing and equipment reduce engineering cost, the maintenance and the installation maintenance in the later stage of being convenient for.

Description

Coupled submersible axial-flow pump

Technical Field

The utility model relates to an axial-flow pump technical field especially relates to a manifold type dive axial-flow pump.

Background

The submersible axial-flow pump is mainly suitable for projects such as pump station transformation, flood control and drainage, urban flood control pump stations, irrigation pump stations, recreation grounds and high-flow drainage pump stations. With the transformation of social flood control pump stations and the drainage requirements, dry water pumps in a plurality of old pump stations cannot meet the requirements of emergency drainage and flood control in real life, and in the face of the drainage requirements of frequent large-area rainfall in recent years in China, the requirements of urban flood control and drainage are eager, new pump stations are continuously added, old pump stations are transformed, and more pump stations adopt submersible axial-flow pumps to meet the requirements of flood control and drainage. But the dive axial-flow pump structure among the prior art is mostly inconvenient fast assembly, and cooperation such as civil engineering and pit shaft need be used mostly in its installation, and engineering cost is high, and the maintenance and the installation maintenance in later stage are not convenient for.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a coupled type dive axial-flow pump is convenient for process and equipment, reduces engineering cost, the maintenance and the installation maintenance in the later stage of being convenient for.

The utility model discloses a following technical scheme realizes: the utility model provides a manifold type dive axial-flow pump, includes sealed lid, top cap, bolster bearing housing, shell, step, connecting cylinder, upper bearing, pivot, dive motor, lower bearing, bearing cap, impeller head and stator, the bottom of top cap is outer along passing through the top of bolt fastening at the upper bearing frame, bolster bearing housing sets up the top outer edge at the shell, connect through the bolt between the bottom of top cap, bolster bearing housing, the top of shell, the top and the bottom of connecting cylinder all are provided with the connecting cylinder flange, the top of connecting cylinder passes through bolted connection with the bottom of shell, the bottom outer edge of connecting cylinder passes through bolted connection with the top outer edge of step, the top and the bottom of guide vane all are provided with the guide vane ring flange, the guide vane top is passed through the guide vane ring flange and is connected bottom the step, the bottom of connecting cylinder, step outer edge of lower bearing and the bottom of connecting cylinder, The tops of the guide vanes are connected through bolts, the upper bearing is arranged in the center of the lower part of the upper bearing seat, a sealing cover is fixed outside the upper bearing at the center of the bottom end of the upper bearing seat, the lower bearing is arranged at the center of the lower bearing seat, the submersible motor is fixed in the center of the cylinder shell, a rotating shaft is arranged in the center of the submersible motor, the top of the rotating shaft is arranged in the upper bearing, the center of the rotating shaft is arranged in the lower bearing, the lower end of the rotating shaft extends to the lower part of the lower bearing seat, the center of the top and the center of the bottom of the lower bearing seat are respectively fixed with a bearing cover outside the lower bearing, the bottom end of the rotating shaft is provided with an impeller, the side end of the guide vane is horizontally provided with a guide vane water outlet cylinder communicated with the guide vane, the side of stator play water drum is provided with stator play water drum flange, stator play water drum flange the place ahead is provided with axial-flow pump outlet pipe.

Further, the stator outlet barrel flange is connected with an axial flow pump coupler pendant through a bolt, the axial flow pump coupler pendant is L-shaped, the lower end of the top of the axial flow pump coupler pendant is provided with an insertion groove, two outlet pipe sliding rods are symmetrically welded on the side wall of an outlet pipe of the axial flow pump, and the outlet pipe sliding rods are arranged in the insertion groove in a sliding fit mode.

Furthermore, the upper end and the lower end of the water outlet pipe of the axial flow pump are both provided with a water outlet pipe flange, and the water outlet pipe flange at the lower end is connected with the front end of the hanging piece of the coupler of the axial flow pump.

Furthermore, a plurality of water outlet pipe vertical supporting plates are welded at the bottom end of the water outlet pipe of the axial flow pump, and a water outlet pipe horizontal supporting plate is connected to the bottom of each water outlet pipe vertical supporting plate.

Furthermore, the lower end of the water outlet pipe of the axial flow pump is provided with a water inlet, the upper end of the water outlet pipe of the axial flow pump is provided with a water outlet, and the water inlet of the water outlet pipe of the axial flow pump is vertical to the water outlet.

Furthermore, the lower end of the impeller is provided with an impeller head which is in an inverted cone shape, and the diameter of the large head at the upper end of the impeller head is equal to the shaft diameter of the impeller.

Further, a pull ring is installed on the outer side wall of the top cover through a bolt.

Further, the water inlet at the bottom of the guide vane is in a horn shape.

Compared with the prior art, the beneficial effects of the utility model reside in that: the whole main body of the coupling type submersible axial-flow pump is connected through bolts, so that the coupling type submersible axial-flow pump is convenient to process and assemble. The guide vane outlet barrel outlet in the coupled submersible axial-flow pump is connected with an axial-flow pump outlet pipe through an axial-flow pump coupler pendant, and two outlet pipe sliding rods on the side wall of the axial-flow pump outlet pipe are arranged in the insertion grooves in the axial-flow pump coupler pendant through sliding fit, so that the installation is simpler, the maintenance and installation are convenient, and the engineering cost can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of the coupling submersible axial flow pump of the present invention.

In the figure: 10. a pull ring; 11. a sealing cover; 12. a top cover; 13. an upper bearing seat; 14. a cartridge housing; 15. a lower bearing seat; 16. a connecting cylinder; 21. an upper bearing; 22. a rotating shaft; 23. a submersible motor; 24. a lower bearing; 25. a bearing cap; 26. an impeller; 261. an impeller head; 27. a guide vane; 271. a guide vane flange plate; 272. a guide vane water outlet cylinder; 31. an axial flow pump coupler suspension member; 32. a water outlet pipe sliding rod; 33. an axial flow pump water outlet pipe; 34. the water outlet pipe is vertical to the supporting plate; 35. the water outlet pipe is horizontally supported by the plate; 36. and a water outlet pipe flange.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1

As shown in fig. 1, a coupling type submersible axial-flow pump comprises a sealing cover 11, a top cover 12, an upper bearing seat 13, a cylinder shell 14, a lower bearing seat 15, a connecting cylinder 16, an upper bearing 21, a rotating shaft 22, a submersible motor 23, a lower bearing 24, a bearing cover 25, an impeller 26 and a guide vane 27, wherein the outer edge of the bottom of the top cover 12 is fixed at the top of the upper bearing seat 13 through a bolt, and the outer side wall of the top cover 12 is provided with a pull ring 10 through a bolt for hoisting the coupling type submersible axial-flow pump. The upper bearing seat 13 is arranged at the outer edge of the top of the cylinder shell 14, and the bottom of the top cover 12, the upper bearing seat 13 and the top of the cylinder shell 14 are connected through bolts. The top and the bottom of connecting cylinder 16 all are provided with the connecting cylinder flange, bolted connection is passed through with the bottom of shell 14 in the top of connecting cylinder 16, and the bottom of connecting cylinder 16 is outer along passing through bolted connection with the top of step 15 along outward, and the top and the bottom of stator 27 all are provided with stator ring flange 271, and stator ring flange 271 and step 15 bottom are passed through at stator 27 top and are connected, and the bottom of connecting cylinder 16, step 15 are outer along, are connected through the bolt between the stator 27 top. The top cover 12, the upper bearing seat 13, the shell 14, the lower bearing seat 15 and the connecting cylinder 16 form a shell main body of the coupled submersible axial-flow pump, and the shell main body is connected through bolts, so that the coupled submersible axial-flow pump is convenient to process and assemble.

The upper bearing 21 is installed in the center of the lower part of the upper bearing seat 13, a sealing cover 11 is fixed outside the upper bearing 21 in the center of the bottom end of the upper bearing seat 13, the lower bearing 24 is installed in the center of the lower bearing seat 15, the submersible motor 23 is fixed in the center of the barrel casing 14, the center of the submersible motor 23 is provided with a rotating shaft 22, the top of the rotating shaft 22 is installed in the upper bearing 21, the center of the rotating shaft 22 is arranged in the lower bearing 24, the lower end of the rotating shaft 22 extends to the lower part of the lower bearing seat 15, the center of the top and the center of the bottom of the lower bearing seat 15 are respectively fixed with a bearing cover 25 outside the lower bearing 24, the bottom end of the rotating shaft 22 is provided with an impeller 26, the lower end of the impeller 26 is provided with an impeller head 261, the impeller head 261 is in a reverse taper shape, the diameter of the large head at the upper end of the impeller head 261 is equal to the shaft diameter of the impeller 26, so that the impeller head 261 and the impeller 26 can be used in cooperation, and the water resistance of the water inlet is reduced.

A guide vane water outlet cylinder 272 communicated with the guide vane 27 is horizontally arranged at the side end of the guide vane 27, a water inlet at the bottom of the guide vane 27 is in a horn shape, a guide vane water outlet cylinder flange is arranged at the side end of the guide vane water outlet cylinder 272, and an axial flow pump water outlet pipe 33 is arranged in front of the guide vane water outlet cylinder flange. When the coupled submersible axial flow pump works, the submersible motor 23 is used for driving the impeller 26 to rotate, and the impeller 26 applies work, so that the conveyed fluid medium enters from the water inlet, is conveyed into the guide vane 27, and flows out of the guide vane water outlet barrel 272 to the axial flow pump water outlet pipe 33.

The guide vane water outlet barrel flange is connected with an axial flow pump coupler hanging piece 31 through a bolt, the axial flow pump coupler hanging piece 31 is L-shaped, an insertion groove is formed in the lower end of the top of the axial flow pump coupler hanging piece, two water outlet pipe sliding rods 32 are symmetrically welded on the side wall of an axial flow pump water outlet pipe 33, and the water outlet pipe sliding rods are arranged in the insertion groove in a sliding fit mode. The upper end and the lower end of the axial-flow pump water outlet pipe 33 are both provided with water outlet pipe flanges 36, and the water outlet pipe flanges 36 at the lower end are connected with the front end of the axial-flow pump coupler hanging piece 31. The bottom of the axial flow pump outlet pipe 33 is welded with a plurality of outlet pipe vertical supporting plates 34, and the bottom of each outlet pipe vertical supporting plate 34 is connected with an outlet pipe horizontal supporting plate 35. The lower end of the axial flow pump water outlet pipe 33 is provided with a water inlet, the upper end of the axial flow pump water outlet pipe 33 is provided with a water outlet, and the water inlet of the axial flow pump water outlet pipe 33 is vertical to the water outlet. The outlet of the guide vane water outlet cylinder 272 in the coupled submersible axial-flow pump is connected with an axial-flow pump water outlet pipe 33 through an axial-flow pump coupler pendant 31, and two water outlet pipe sliding rods 32 on the side wall of the axial-flow pump water outlet pipe 33 are arranged in the insertion grooves in the axial-flow pump coupler pendant 31 in a sliding fit mode, so that the guide vane water outlet cylinder 272 and the axial-flow pump water outlet pipe 33 are simpler to install, convenient to maintain and install, and capable of reducing engineering cost.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A manifold type dive axial-flow pump which characterized in that: comprises a sealing cover (11), a top cover (12), an upper bearing seat (13), a cylinder shell (14), a lower bearing seat (15), a connecting cylinder (16), an upper bearing (21), a rotating shaft (22), a submersible motor (23), a lower bearing (24), a bearing cover (25), an impeller (26), an impeller head (261) and a guide vane (27), wherein the bottom outer edge of the top cover (12) is fixed on the top of the upper bearing seat (13) through bolts, the upper bearing seat (13) is arranged on the top outer edge of the cylinder shell (14), the bottom of the top cover (12), the top of the upper bearing seat (13) and the top of the cylinder shell (14) are connected through bolts, connecting cylinder flanges are arranged at the top end and the bottom end of the connecting cylinder (16), the top end outer edge of the connecting cylinder (16) is connected with the top end outer edge of the lower bearing seat (15) through bolts, the top and the bottom of stator (27) all are provided with stator ring flange (271), stator (27) top is passed through stator ring flange (271) and is connected bottom step (15), and bottom, step (15) outer edge of connecting cylinder (16), connect through the bolt between stator (27) top, go up bearing (21) and install the lower part central authorities of last bearing frame (13), the bottom central authorities of going up bearing frame (13) are located upper bearing (21) external fixation and have a sealed lid (11), the central authorities at step (15) are installed to lower bearing (24), dive motor (23) are fixed in the central authorities of shell (14), the central authorities of dive motor (23) are provided with pivot (22), the top of pivot (22) is installed in upper bearing (21), the central authorities of pivot (22) are installed in lower bearing (24), the below of step (15) is stretched out to the lower extreme of pivot (22), the top central authorities and the bottom central authorities of step (15) are located and respectively are fixed with a bearing cap (25) outside lower bearing (24), impeller (26) are installed to the bottom of pivot (22), the side level of stator (27) is provided with stator outlet tube (272) with stator (27) intercommunication, the side of stator outlet tube (272) is provided with stator outlet tube flange, stator outlet tube flange the place ahead is provided with axial-flow pump outlet pipe (33).

2. The coupled submersible axial flow pump of claim 1, wherein: the guide vane water outlet barrel flange is connected with an axial flow pump coupler hanging piece (31) through a bolt, the axial flow pump coupler hanging piece (31) is L-shaped, an insertion groove is formed in the lower end of the top of the axial flow pump coupler hanging piece, two water outlet pipe sliding rods (32) are symmetrically welded on the side wall of an axial flow pump water outlet pipe (33), and the water outlet pipe sliding rods are arranged in the insertion groove in a sliding fit mode.

3. The coupled submersible axial flow pump of claim 2, wherein: and the upper end and the lower end of the axial flow pump water outlet pipe (33) are both provided with a water outlet pipe flange (36), and the water outlet pipe flange (36) at the lower end is connected with the front end of the axial flow pump coupler hanging piece (31).

4. The coupled submersible axial flow pump of claim 3, wherein: the axial-flow pump is characterized in that a plurality of water outlet pipe vertical supporting plates (34) are welded at the bottom ends of the water outlet pipes (33) of the axial-flow pump, and water outlet pipe horizontal supporting plates (35) are connected to the bottoms of the water outlet pipe vertical supporting plates (34).

5. The coupled submersible axial flow pump of claim 3 or 4, wherein: the lower end of the axial flow pump water outlet pipe (33) is provided with a water inlet, the upper end of the axial flow pump water outlet pipe is provided with a water outlet, and the water inlet of the axial flow pump water outlet pipe (33) is vertical to the water outlet.

6. The coupled submersible axial flow pump of claim 5, wherein: the impeller is characterized in that an impeller head (261) is installed at the lower end of the impeller (26), the impeller head (261) is in an inverted cone shape, and the diameter of the large head at the upper end of the impeller head (261) is equal to the shaft diameter of the impeller (26).

7. The coupled submersible axial flow pump of claim 5, wherein: and a pull ring (10) is arranged on the outer side wall of the top cover (12) through a bolt.

8. The coupled submersible axial flow pump of claim 5, wherein: the water inlet at the bottom of the guide vane (27) is in a horn shape.