CN215170836U

CN215170836U - Fire pump

Info

Publication number: CN215170836U
Application number: CN202121353848.4U
Authority: CN
Inventors: 朱光辉
Original assignee: Jiangxi Jiangyang Water Supply Equipment Manufacturing Co ltd
Current assignee: Jiangxi Jiangyang Water Supply Equipment Manufacturing Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-14
Anticipated expiration: 2031-06-18

Abstract

The application provides a fire pump, including last ring flange and lower ring flange, the inside fixed mounting of last ring flange has the stator, go up ring flange lower extreme fixed mounting has lower ring flange, lower ring flange middle part is provided with the lower bearing, the lower bearing mid-mounting rotates and installs the rotor, lower ring flange lower extreme is provided with grease chamber gland, grease chamber gland lower extreme is provided with the connection ring flange, the connection ring flange lower extreme passes through bolt group fixed mounting and has the pump cover, it has the motor cover to go up ring flange upper portion both sides through locking screw fixed mounting, the motor cover rotates and installs the rotor, the pump cover below is provided with the pump body, the pump cover lower part has the pump body through locking screw fixed mounting. The device simple structure is reliable, comes to provide structural support to the rotation of rotor through bearing and lower bearing, and the motor lid through the upper end is sealed to and the profit probe and the sealing ring of below provide structural seal, thereby promote the leakproofness of structure, the waterproof demand of better adaptation fire control.

Description

Fire pump

Technical Field

The utility model relates to a fire pump field, in particular to fire pump.

Background

As the name suggests, the fire pump used in fire fighting is an imported foreign product, is divided into different types according to different classification modes, has the characteristics of full sealing, no leakage and corrosion resistance, is widely applied to departments of environmental protection, water treatment, fire fighting and the like, is used for pumping various liquids, and is an ideal pump and fire fighting system for creating a non-leakage and non-pollution civilized workshop and a civilized factory. The pump types are all similar, with differences in head and flow. The fire pump should be selected according to the process flow, the water supply and drainage requirements, and the like.

A fire pump is proposed to solve the above problems, for which the pump body for fire fighting use has high requirements for water resistance and needs to have good stability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fire pump can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fire pump comprising: the motor comprises an upper flange plate and a lower flange plate, wherein a stator is fixedly arranged in the upper flange plate, an enameled wire is wound in the stator and is used for generating a magnetic field after being electrified, a motor shell is arranged on the outer side of the upper flange plate, a lower flange plate is fixedly arranged at the lower end of the upper flange plate, a lower bearing is arranged in the middle of the lower flange plate, a rotor is rotatably arranged in the middle of the lower bearing, a rotor gap penetrates through a circular hole in the middle of the stator, an oil chamber gland is arranged at the lower end of the lower flange plate, a connecting flange plate is arranged at the lower end of the oil chamber gland, a pump cover is fixedly arranged at the lower end of the connecting flange plate through a bolt group, an organic oil chamber is arranged in the middle of the pump cover, and engine oil is filled in the oil chamber,

the improved pump is characterized in that motor covers are fixedly mounted on two sides of the upper portion of the upper flange plate through locking screws, a bearing seat is arranged in the middle of each motor cover, a bearing is arranged in the middle of each bearing seat, a rotor is rotatably mounted on each bearing, a pump body is arranged below the pump cover, a pump body is fixedly mounted on the lower portion of the pump cover through the locking screws, an impeller nut is arranged at the bottom of each rotor, a key groove is formed in the lower end of each rotor, an elliptical key is mounted inside each key groove, and an impeller is coaxially and fixedly mounted below the corresponding rotor through the key grooves.

Preferably, the right side of the pump body is provided with a water inlet pipe for water inlet of the pump body, the left side of the pump body is provided with a water outlet pipe for water outlet of the pump body, the middle part of the pump body is provided with a water discharging cock, water flow in the pump body is discharged through the water discharging cock, the device is simple and reliable in structure, a bearing and a lower bearing are used for providing structural support for rotation of the rotor, a motor cover at the upper end is sealed, and an oil-water probe and a sealing ring below are used for providing structural sealing, so that the sealing performance of the structure is improved, and the waterproof requirement of fire fighting is better met.

Preferably, the engine oil chamber outside is provided with the profit probe, comes to carry out real-time detection to the inside sealed oil of engine oil chamber through the profit probe to can guarantee the control leakproofness, thereby guarantee to pump body leakproofness to some extent, the engine oil chamber middle part is provided with the sealing ring, the sealing ring rotates and installs in the outside of rotor, promotes the leakproofness to the pump body through the sealing ring is synthesized.

Preferably, the rotor penetrates through the lower flange disc and the connecting flange disc, a water retaining ring is arranged on the outer side below the rotor, lubricating oil inside the pump cover is blocked through the water retaining ring, a mechanical seal is arranged in the middle of the pump cover, and the mechanical seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to the rotation axis under the action of fluid pressure and elasticity of a compensation mechanism and under the coordination of auxiliary seal.

Preferably, motor cover middle part is provided with first cable conductor and second cable conductor, first cable conductor and second cable conductor communicate with the copper line in the stator respectively, from producing the magnetic field drive pump body through the electric current.

Preferably, motor cover upper end left side is provided with rings, rings are provided with the circular port for the middle part, come to hoist equipment is whole through rings, are convenient for remove equipment, promote the convenience of use.

Preferably, the outer side of the motor shell is provided with exterior steel copper, and the structure in the upper flange plate is protected through the exterior steel copper.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the device simple structure is reliable, comes to provide structural support to the rotation of rotor through bearing and lower bearing, and the motor lid through the upper end is sealed to and the profit probe and the sealing ring of below provide structural seal, thereby promote the leakproofness of structure, the waterproof demand of better adaptation fire control.

2. The sealing oil in the engine oil chamber is detected in real time through the oil-water probe, so that the monitoring sealing performance can be guaranteed, and the sealing performance of the pump body is guaranteed; the whole equipment is hoisted through the hoisting ring, so that the equipment is convenient to move, and the use convenience is improved; the structure in the upper flange plate is protected by the exterior steel copper.

Drawings

Fig. 1 is the whole structure diagram of the utility model relates to a fire pump.

In the figure: 1. a hoisting ring; 2. a first cable wire; 3. a second cable line; 4. a motor cover; 5. a bearing; 6. a bearing seat; 7. an upper flange plate; 8. a motor housing; 9. a stator; 10. a rotor; 11. steel and copper exterior; 12. a water inlet pipe; 13. a water outlet pipe; 14. a lower bearing; 15. a lower flange plate; 16. an oil-water probe; 17. a seal ring; 18. an engine oil chamber; 19. an oil chamber gland; 20. connecting a flange plate; 21. a bolt group; 22. a pump cover; 23. a water retaining ring; 24. mechanical sealing; 25. an impeller; 26. locking screws; 27. a keyway; 28. an impeller nut; 29. a pump body; 30. a water discharging cock.

Detailed Description

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

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, a fire pump includes: the magnetic field generator comprises an upper flange 7 and a lower flange 15, wherein a stator 9 is fixedly installed inside the upper flange 7, an enameled wire is wound inside the stator 9 and used for generating a magnetic field after being electrified, a motor shell 8 is arranged outside the upper flange 7, exterior steel copper 11 is arranged outside the motor shell 8, the structure inside the upper flange 7 is protected through the exterior steel copper 11,

the lower end of the upper flange 7 is fixedly provided with a lower flange 15, the middle of the lower flange 15 is provided with a lower bearing 14, the middle of the lower bearing 14 is rotatably provided with a rotor 10, a gap of the rotor 10 passes through a circular hole in the middle of the stator 9, the lower end of the lower flange 15 is provided with an oil chamber gland 19, the lower end of the oil chamber gland 19 is provided with a connecting flange 20, the lower end of the connecting flange 20 is fixedly provided with a pump cover 22 through a bolt group 21, the middle of the pump cover 22 is provided with an oil chamber 18, the oil chamber 18 is filled with engine oil, the outer side of the oil chamber 18 is provided with an oil-water probe 16, the sealing oil in the oil chamber 18 is detected in real time through the oil-water probe 16, so that the monitoring sealing performance can be ensured, the sealing performance of the pump body is ensured, the middle of the oil chamber 18 is provided with a sealing ring 17, and the sealing ring 17 is rotatably arranged on the outer side of the rotor 10, the sealing performance of the pump body is comprehensively improved through the sealing ring 17,

the motor cover 4 is fixedly arranged on two sides of the upper portion of the upper flange 7 through locking screws 26, a bearing seat 6 is arranged in the middle of the motor cover 4, a bearing 5 is arranged in the middle of the bearing seat 6, a rotor 10 is rotatably arranged on the bearing 5, a hanging ring 1 is arranged on the left side of the upper end of the motor cover 4, a circular hole is formed in the middle of the hanging ring 1, the whole equipment is hung through the hanging ring 1, the equipment is convenient to move, the use convenience is improved, a first cable 2 and a second cable 3 are arranged in the middle of the motor cover 4, the first cable 2 and the second cable 3 are respectively communicated with copper wires in a stator 9, and a pump body is driven by generating a magnetic field through current,

a pump body 29 is arranged below the pump cover 22, the rotor 10 penetrates through the lower flange 15 and the connecting flange 20, a water retaining ring 23 is arranged on the outer side below the rotor 10, lubricating oil inside the pump cover 22 is retained by the water retaining ring 23, a mechanical seal 24 is arranged in the middle of the pump cover 22, the mechanical seal 24 is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, being kept attached and relatively sliding under the action of fluid pressure and the elasticity (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seals, the pump body 29 is fixedly arranged at the lower part of the pump cover 22 through a locking screw 26, an impeller nut 28 is arranged at the bottom of the rotor 10, a key groove 27 is arranged at the lower end of the rotor 10, an elliptical key is arranged inside the key groove 27, an impeller 25 is coaxially and fixedly arranged below the rotor 10 through the key groove 27, and a water inlet pipe 12 is arranged on the right side of the pump body 29, the device is simple and reliable in structure, provides structural support for the rotation of the rotor 10 through the bearing 5 and the lower bearing 14, is sealed through the motor cover 4 at the upper end, and provides structural sealing through the oil-water probe 16 and the sealing ring 17 below, thereby improving the sealing performance of the structure and better adapting to the waterproof requirement of fire protection.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire pump, includes upper flange dish (7) and lower flange dish (15), its characterized in that: the motor is characterized in that a stator (9) is fixedly mounted inside the upper flange (7), an enameled wire is wound inside the stator (9), a motor shell (8) is arranged on the outer side of the upper flange (7), a lower flange (15) is fixedly mounted at the lower end of the upper flange (7), a lower bearing (14) is arranged in the middle of the lower flange (15), a rotor (10) is mounted in the middle of the lower bearing (14) in a rotating mode, a gap of the rotor (10) penetrates through a circular hole in the middle of the stator (9), an oil chamber gland (19) is arranged at the lower end of the lower flange (15), a connecting flange (20) is arranged at the lower end of the oil chamber gland (19), a pump cover (22) is fixedly mounted at the lower end of the connecting flange (20) through a bolt group (21), and an organic oil chamber (18) is arranged in the middle of the pump cover (22),

go up ring flange (7) upper portion both sides and pass through locking screw (26) fixed mounting have motor cover (4), motor cover (4) middle part is provided with bearing frame (6), bearing frame (6) middle part is provided with bearing (5), bearing (5) are rotated and are installed rotor (10), pump cover (22) below is provided with pump body (29), pump cover (22) lower part passes through locking screw (26) fixed mounting and has the pump body (29), rotor (10) bottom is provided with impeller nut (28), rotor (10) lower extreme is provided with keyway (27), keyway (27) internally mounted has oval key.

2. A fire pump as claimed in claim 1, wherein: the water pump is characterized in that a water inlet pipe (12) is arranged on the right side of the pump body (29), a water outlet pipe (13) is arranged on the left side of the pump body (29), and a water discharging cock (30) is arranged in the middle of the pump body (29).

3. A fire pump as claimed in claim 1, wherein: an oil-water probe (16) is arranged on the outer side of the engine oil chamber (18), and a sealing ring (17) is arranged in the middle of the engine oil chamber (18).

4. A fire pump as claimed in claim 3, wherein: the rotor (10) penetrates through the lower flange plate (15) and the connecting flange plate (20), a water retaining ring (23) is arranged on the outer side below the rotor (10), and a mechanical seal (24) is arranged in the middle of the pump cover (22).

5. A fire pump as claimed in claim 1, wherein: motor lid (4) middle part is provided with first cable conductor (2) and second cable conductor (3), first cable conductor (2) and second cable conductor (3) communicate with the copper line in stator (9) respectively.

6. A fire pump as claimed in claim 1, wherein: the motor cover is characterized in that a hanging ring (1) is arranged on the left side of the upper end of the motor cover (4), and a circular hole is formed in the middle of the hanging ring (1).

7. A fire pump as claimed in claim 1, wherein: and the outer side of the motor shell (8) is provided with exterior steel copper (11).