CN217873321U

CN217873321U - Submersible gate pump

Info

Publication number: CN217873321U
Application number: CN202220846562.8U
Authority: CN
Inventors: 朱荣生; 杨爱玲
Original assignee: Jiangsu Guoquan Pumps Co Ltd
Current assignee: Jiangsu Guoquan Pumps Co Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-11-22
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to a submersible gate pump, which mainly comprises a submersible motor, a motor shell, a motor outlet, a submersible motor outgoing line, an installation cylinder inner cavity, an outer cylinder outlet, a cable seat II, a cable seat I, a cable gland, a guide vane body, a horn tube, an impeller, a flap valve, a gate, a submersible gate pump body and a water outlet pipe, wherein the submersible gate pump mainly comprises a submersible gate pump body, a water outlet pipe, a gate and a flap valve; the submersible gate pump body mainly comprises a submersible motor, an installation cylinder, a guide vane body, an impeller and a horn tube; the water inlet end of the water outlet pipe is matched with the water outlet end of the mounting cylinder of the submersible gate pump body, the other end of the water outlet pipe is matched with the flap valve through the gate, a motor shell of the submersible motor is provided with a motor outlet close to the guide vane end, and an outer cylinder outlet is arranged on the mounting cylinder close to the motor outlet; the installation cylinder is arranged at the end close to the submersible motor, and the water inlet end of the installation cylinder is matched with the spigot at the water outlet end of the guide vane body. One end of the cable is connected with a motor outgoing line output from the motor outlet, and the other end of the cable is output from the outer cylinder outlet through the inner cavity of the mounting cylinder to form a side outgoing line structure.

Description

Submersible gate pump

Technical Field

The utility model relates to a submerged motor pump, in particular to submerged gate pump.

Background

The gate pump is a pump-gate integrated system formed by integrating a gate, a submersible electric pump and automatic control. The device is suitable for the working conditions of large flow and low lift, and is mainly used for temporary drainage of stagnant water, drainage of urban rivers, urban and rural flood control and the like. Because it need not set up the pump station, it is little to take up an area of, and the engineering investment is little, receives user's wide recognition.

Because traditional gate pump poor stability produces unit vibration easily, equipment fatigue damage influences equipment safe handling, consequently has necessarily researched and developed a simple structure, convenient assembling has the submerged gate pump of security performance again concurrently, ensures the operation safety of pump station.

Disclosure of Invention

In order to solve the technical problem, the submerged gate pump is simple in structure, convenient to install and maintain and capable of being beneficial to reducing the construction cost of a pump station.

The technical scheme adopted for realizing the purpose is as follows:

the submersible gate pump mainly comprises a submersible motor, a motor shell, a motor outlet, a submersible motor outgoing line, an installation cylinder inner cavity, an outer cylinder outlet, a cable seat II, a cable seat I, a cable gland, a guide vane body, a horn tube, an impeller, a flap valve, a gate, a submersible gate pump body and a water outlet pipe, wherein the submersible gate pump mainly comprises a submersible gate pump body, a water outlet pipe, a gate and a flap valve; the submersible gate pump body mainly comprises a submersible motor, an installation cylinder, a guide vane body, an impeller and a horn tube; the outlet pipe is intake end and is gone out the water end cooperation with the installation barrel of dive gate pump body, and the other end passes through gate and flap valve cooperation, its characterized in that: a motor outlet is arranged on the end, close to the guide vane end, of a motor shell of the submersible motor, and an outer cylinder outlet is arranged on the mounting cylinder body close to the motor outlet; the installation cylinder is arranged at the end close to the submersible motor, and the water inlet end of the installation cylinder is matched with the spigot at the water outlet end of the guide vane body.

In the further scheme, one end of the cable is connected with a motor outgoing line output from a motor outlet, and the cable is fixed in the submersible motor by a cable seat II; the other end of the cable is output from the outlet of the outer cylinder through the inner cavity of the mounting cylinder, and the outlet end of the cable is fixed outside the body of the submerged gate pump by a sealing device consisting of a cable gland and a cable seat, so that a side outlet structure is formed.

Further scheme, the guide vane body is close to the submerged motor end and passes through the tang cooperation with the installation barrel, and the guide vane body is close to the impeller end and is connected with the bell-mouthed tube tang cooperation, is equipped with the grease chamber between guide vane body and the submerged motor, and transmission medium flows through the guide vane internal flow line from the bell-mouthed tube internal flow and gets into installation barrel inner chamber and export from the outlet pipe.

In a further scheme, the submersible motor and the mounting cylinder are of a split mounting structure or an integrated mounting structure; the oil chamber and the mounting cylinder body are of a split type mounting structure or an integrated type mounting structure.

In a further scheme, the impeller is fixed on the pump shaft close to the water inlet of the bell-mouthed pipe, and an impeller nut and a water guide cone are arranged at the end, where the impeller is installed, of the pump shaft 11.

In a further scheme, a guide vane sealing cover is arranged at the matching position of the guide vane body and the impeller, and the guide vane sealing cover is a supporting body for a lower machine seal; an oil chamber is arranged at the end between the guide vane body and the submersible motor, and the oil chamber is a supporting body for mounting the mechanical seal.

In a further scheme, a bearing gland is arranged at the end, close to the submersible motor, of the oil chamber, and a sealing cavity is formed between the bearing gland and the oil chamber; and a lower bearing is arranged in the sealing cavity.

In a further scheme, a cable sheath is arranged between the cable seat II and a motor wire outlet; and a cable sheath is arranged between the cable gland and the cable seat I.

In a further scheme, reinforcing ribs are arranged on the outer wall of the horn tube, and the number of the reinforcing ribs is not less than that of the horn tube.

The invention has the beneficial effects that: according to the submersible gate pump, the wire outlet mode of the motor is designed into a side wire outlet structure, so that the length of the submersible gate pump body is greatly shortened, and the overall stability of the submersible gate pump is improved. The structure can greatly simplify the structure of the pump station, is very convenient to overhaul, has small occupied area, is convenient and quick to construct, and greatly reduces the cost.

Drawings

FIG. 1 is a schematic view of a submerged gate pump according to the present invention;

FIG. 2 is a second schematic construction of a submersible gate pump according to the present invention;

FIG. 3 is a schematic view of a third construction of a submersible gate pump according to the present invention;

fig. 4 is a schematic view of a submerged gate pump project installation of the present invention.

In the figure: 1. the submersible motor comprises a submersible motor body 1-1, a motor outlet 1-2, a submersible motor outgoing line 1-3, a mounting cylinder 2, a mounting cylinder inner cavity 3, a cable seat II,4, a cable seat I,5, a cable, 6, a cable gland 7, a guide vane body 7-1 guide vane body inner flow line 8, a horn tube 8-1 horn tube inner flow line 8-2 reinforcing ribs 9, an impeller nut 10, a water guide cone 11, an impeller 12, a guide vane sealing cover 13, a lower machine seal 14, a pump shaft 15, an upper machine seal 16, an oil chamber 17, a lower bearing 18, a sealing cavity 19, a bearing gland 20, a motor upper cover 21, an upper bearing 22, a flap valve 23, a gate 24, a submersible gate pump body 25 and a water outlet pipe.

Detailed Description

The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.

As shown in the figure, the submersible gate pump mainly comprises a submersible motor 1, a motor shell 1-1, a motor outlet 1-2, a submersible motor outgoing line 1-3, an installation cylinder 2, an installation cylinder inner cavity 2-1, an outer cylinder outlet 2-2, a cable seat II 3, a cable seat I4, a cable 5, a cable gland 6, a guide vane body 7, a horn tube 8, an impeller 11, a flap valve 22, a gate 23, a submersible gate pump body 24 and a water outlet pipe 25, wherein the submersible gate pump mainly comprises the submersible gate pump body 24, the water outlet pipe 25, the gate 23 and the flap valve 22; the submersible gate pump body 24 mainly comprises a submersible motor 1, an installation cylinder 2, a guide vane body 7, an impeller 11 and a horn tube 8, wherein the water inlet end of the water outlet pipe 25 is matched with the water outlet end of the installation cylinder 2 of the submersible gate pump body 24, the other end of the water outlet pipe is matched with a flap valve 22 through a gate 23, a motor outlet 1-2 is formed in the end, close to the guide vane body 7, of a motor shell 1-1 of the submersible motor 1, and an outer cylinder outlet 2-2 is formed in the installation cylinder 2, close to the motor outlet 1-2; the installation cylinder body 2 is arranged at the end close to the submersible motor 1, and the water inlet end of the installation cylinder body 2 is matched with the spigot at the water outlet end of the guide vane body 7.

One end of the cable 5 is connected with a motor outgoing line 1-3 output from the motor outlet 1-2 and is fixed in the submersible motor 1 by a cable seat II 3; the other end of the cable 5 is output from an outlet 2-2 of the outer cylinder through an inner cavity 2-1 of the installation cylinder, and a sealing device consisting of a cable gland 6 and a cable seat I4 is fixed outside the submerged gate pump body 24 at the outlet end of the cable 5, so that a side outlet structure is formed.

The end of the guide vane body 7 close to the submersible motor 1 is matched with the mounting cylinder 2 through a spigot, the end of the guide vane body 7 close to the impeller 11 is matched and connected with the spigot of the horn tube 8, an oil chamber 16 is arranged between the guide vane body 7 and the submersible motor 1, and a transmission medium flows through the guide vane in-vivo streamline 7-1 from the horn tube in-streamline 8-1, enters the mounting cylinder in-cavity 2-1 and is output from the water outlet pipe 25.

The submersible motor 1 and the mounting cylinder 2 are of a split type mounting structure or an integrated type mounting structure; the oil chamber 16 and the mounting cylinder 2 are of a split mounting structure or an integrated mounting structure.

The impeller 11 is fixed on a pump shaft 14 close to a water inlet of the flared tube 8, and an impeller nut 9 and a water guide cone 10 are arranged at the end, where the impeller 11 is installed, of the pump shaft 14.

A guide vane sealing cover 12 is arranged at the matching position of the guide vane body 7 and the impeller 11, and the guide vane sealing cover 12 is a supporting body of a lower machine seal 13; an oil chamber 16 is arranged at the end between the guide vane body 7 and the submersible motor 1, and the oil chamber 16 is a supporting body of the upper seal 15.

A bearing gland 19 is arranged at the end of the oil chamber 16 close to the submersible motor 1, and a sealing cavity 18 is formed between the bearing gland 19 and the oil chamber 16; a lower bearing 17 is arranged in the sealed cavity 18.

A cable sheath is arranged between the cable seat II 3 and the motor outlet 1-2; and a cable sheath is arranged between the cable gland 6 and the cable seat I4.

The outer wall of the horn pipe 8 is provided with reinforcing ribs 8-2, and the number of the reinforcing ribs is not less than 2.

As shown in the figure, the embodiment provides a submersible gate pump, which mainly comprises a submersible gate pump body 24, a water outlet pipe 25, a gate 23 and a flap valve 22, wherein the water inlet end of the water outlet pipe 25 is matched with the water outlet end of the installation cylinder 2 of the submersible gate pump body 24, and the other end of the water outlet pipe 25 is matched with the flap valve 22 through the gate 23.

A motor outlet 1-2 is arranged at the end, close to the guide vane 7, of a motor shell 1-1 of the submersible motor 1, and an outer cylinder outlet 2-2 is arranged on an installation cylinder 2 close to the motor outlet 1-2; the installation cylinder body 2 is arranged at the end close to the submersible motor 1, and the water inlet end of the installation cylinder body 2 is matched with the spigot at the water outlet end of the guide vane body 7. One end of the cable 5 is connected with a motor outgoing line 1-3 output from the motor outlet 1-2 and is fixed in the submersible motor 1 by a cable seat II 3; the other end of the cable 5 is output from an outlet 2-2 of the outer cylinder through an inner cavity 2-1 of the installation cylinder, and a sealing device consisting of a cable gland 6 and a cable seat I4 is fixed outside the submerged gate pump body 24 at the outlet end of the cable 5, so that a side outlet structure is formed. The structure greatly shortens the whole length of the diving gate pump, improves the stability of the diving gate pump and greatly reduces the cost.

The invention can not only design the submersible motor 1 and the mounting cylinder 2 into a split type mounting structure, but also can be an integrated type mounting structure; the oil chamber 16 and the mounting cylinder 2 can be designed into a split type mounting structure or an integrated type mounting structure; the two structural designs are modifications of the invention and are included in the scope of the inventive concept.

The scope of the present invention is not limited to the above embodiments, and includes other embodiments and modifications within the scope of the present invention.

Claims

1. A submerged gate pump mainly comprises a submerged motor (1), a motor shell (1-1), motor outlet ports (1-2), submerged motor outgoing lines (1-3), an installation cylinder (2), an installation cylinder inner cavity (2-1), outer cylinder outlet ports (2-2), a cable seat II (3), a cable seat I (4), a cable (5), a cable gland (6), a guide vane body (7), a horn tube (8), an impeller (11), a flap valve (22), a gate (23), a submerged gate pump body (24) and a water outlet pipe (25), and mainly comprises the submerged gate pump body (24), the water outlet pipe (25), the gate (23) and a flap valve (22); dive gate pump body (24) mainly comprise dive motor (1), installation barrel (2), guide vane body (7), impeller (11) and horn tube (8), outlet pipe (25) are intake end and are gone out water end cooperation with installation barrel (2) of dive gate pump body (24), and the other end passes through gate (23) and claps door (22) cooperation, its characterized in that: a motor outlet (1-2) is arranged at the end, close to the guide vane body (7), of a motor shell (1-1) of the submersible motor (1), and an outer cylinder outlet (2-2) is arranged on an installation cylinder (2) close to the motor outlet (1-2); the installation cylinder body (2) is arranged at the end close to the submersible motor (1), and the water inlet end of the installation cylinder body (2) is matched with the spigot of the water outlet end of the guide vane body (7).

2. A submersible gate pump as claimed in claim 1, wherein: one end of the cable (5) is connected with a motor outgoing line (1-3) output from the motor outgoing line port (1-2), and is fixed in the submersible motor (1) by a cable seat II (3); the other end of the cable (5) is output from an outlet (2-2) of the outer cylinder body through an inner cavity (2-1) of the installation cylinder body, and a sealing device consisting of a cable gland (6) and a cable seat I (4) is fixed outside the submerged gate pump body (24) at the outlet end of the cable (5), so that a side outlet structure is formed.

3. A submersible gate pump as claimed in claim 1, wherein: guide vane body (7) are close to dive motor (1) end and pass through the tang cooperation with installation barrel (2), and guide vane body (7) are close to impeller (11) end and are connected with horn tube (8) tang cooperation, are equipped with grease chamber (16) between guide vane body (7) and dive motor (1), and transmission medium flows through guide vane internal flow line (7-1) from horn tube internal flow line (8-1) and gets into installation barrel inner chamber (2-1) and export from outlet pipe (25).

4. A submersible gate pump as claimed in claim 1, wherein: the submersible motor (1) and the installation cylinder body (2) are of a split type installation structure or an integrated type installation structure.

5. A submersible gate pump as claimed in claim 1, wherein: the impeller (11) is fixed on a pump shaft (14) close to a water inlet of the bell-mouthed tube (8), and an impeller nut (9) and a water guide cone (10) are arranged at the end, where the impeller (11) is installed, of the pump shaft (14).

6. A submersible gate pump as claimed in claim 1, wherein: a guide vane sealing cover (12) is arranged at the matching part of the guide vane body (7) and the impeller (11), and the guide vane sealing cover (12) is a supporting body of a lower machine seal (13); an oil chamber (16) is arranged at the end between the guide vane body (7) and the submersible motor (1), and the oil chamber (16) is a supporting body of the upper seal (15).

7. A submersible gate pump as claimed in claim 3, wherein: a bearing gland (19) is arranged at the end of the oil chamber (16) close to the submersible motor (1), and a sealing cavity (18) is formed between the bearing gland (19) and the oil chamber (16); a lower bearing (17) is arranged in the sealed cavity (18); the oil chamber (16) and the mounting cylinder (2) are of a split mounting structure or an integrated mounting structure.

8. A submersible gate pump as claimed in claim 2, wherein: a cable sheath is arranged between the cable seat II (3) and the motor outlet (1-2); and a cable sheath is arranged between the cable gland (6) and the cable seat I (4).

9. A submersible gate pump as claimed in claim 3, wherein: and reinforcing ribs (8-2) are arranged on the outer wall of the horn tube (8), and the number of the reinforcing ribs is not less than 2.