CN210397158U

CN210397158U - Portable ground storehouse drain pump that bottom was intake

Info

Publication number: CN210397158U
Application number: CN201921088276.4U
Authority: CN
Inventors: 李锦泽
Original assignee: Shanghai Aoyi Pump Manufacturing Co ltd
Current assignee: Shanghai Aoyi Pump Manufacturing Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-24
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a portable ground storehouse drainage pump with bottom water inlet, which comprises a volute-shaped pump body, a rotating shaft, a runner centrifugal impeller, a motor and a control cabinet, wherein the pump also comprises a casing connecting seat which is installed with the rotating shaft in a matching way; the upper end of the machine shell connecting seat is provided with a heavy bearing, the lower end of the machine shell connecting seat is provided with an oil storage chamber and an oil chamber cover, and an oil-containing bearing is arranged in the oil storage chamber; the lower end of the impeller is provided with a base with a filter screen; the side of the pump body is provided with a water outlet, and the water outlet is connected with the leather hose connector through a quick-mounting clamp. The impeller is of a stainless steel structure and is fixed on the rotating shaft through a key, an impeller conical pad and a nut. The motor is internally provided with a temperature control protection switch and is connected with the outgoing line. The utility model discloses a drain pump has the inspection shaft or the occasion such as lower well that inhale the water level low, and is small, can put into minor diameter, consequently, can be applicable to the emergent drainage of occasions such as basement, underground garage.

Description

Portable ground storehouse drain pump that bottom was intake

Technical Field

The utility model relates to a bottom portable ground storehouse drain pump of intaking is electromechanical integrated's removal water pump equipment.

Background

In the prior art, a drainage pump of a ground warehouse has the defects of heavy weight, large volume, low efficiency, difficult movement, high water absorption level and the like. Usually, a sewer or a water accumulation tank is designed downwards at a certain fixed part of a large-scale ground reservoir, and when water is accumulated, the water is uniformly discharged outwards. The drainage system of the ground storehouse has the defects that the drainage pump is not movable, and the drainage pump is matched with the design of the whole building when in use, so that the requirement of an emergency occasion cannot be met.

Disclosure of Invention

The invention aims to provide a portable ground storehouse drainage pump which can meet the emergency requirement and can feed water from the bottom.

The utility model discloses a realize like this: the utility model provides a portable ground storehouse drain pump of bottom intaking, includes the pump body of volute shape, centrifugal impeller, motor and switch board, its characterized in that: the pump also comprises a machine shell connecting seat, and the machine shell connecting seat is matched and installed with the motor rotating shaft; the upper end of the oil storage chamber is provided with a heavy bearing, the lower end of the oil storage chamber is provided with an oil storage chamber and an oil chamber cover, and the oil storage chamber is internally provided with an oil bearing; the lower end of the impeller is provided with a base with a filter screen; the side of the pump body is provided with a water outlet, and the water outlet is connected with the leather hose connector through a quick-mounting clamp.

The impeller is of a stainless steel structure and is fixed on the rotating shaft through a key, an impeller conical pad and a nut.

The motor is a medium-low rotating speed permanent magnet synchronous variable frequency motor.

The motor is internally provided with a temperature control protection switch and is connected with the outgoing line.

The motor shell of the motor is of a single-pass stainless steel structure.

The motor is characterized in that a sleeve barrel is arranged outside the motor shell, and the sleeve barrel, the connecting seat and the motor shell form a barrel hollow type cooling structure.

The control cabinet is a high-frequency converter control cabinet.

The vertical portable ground storehouse draining pump of the utility model has the following advantages;

1. because the drainage pump adopts a vertical light structure, the water inlet is positioned at the bottom of the pump body, and the water outlet is positioned on the side surface of the bottom of the pump body; and the pump body adopts a volute structure. Therefore, the utility model discloses a drain pump has and inhales the water level low, can arrange the ponding of lower water level. In addition, the small-sized manhole cover can be placed in small-diameter inspection wells or drainage wells. Therefore, the drainage device can be suitable for emergency drainage in basements, underground parking garages and other occasions;

2. the draining pump is driven by a medium-low speed permanent magnet synchronous motor and is matched with a permanent magnet synchronous motor high-frequency converter control cabinet, and the pump body adopts a high-efficiency volute centrifugal structure. Therefore, the utility model has the characteristics of ultra-light weight, portability, large flow, wide range of using lift, low water absorption level and the like, is suitable for emergency occasions, and is very convenient to use;

3. the draining pump adopts a barrel hollow type cooling structure, utilizes water from the pump to circularly cool the motor, and can cool the motor even if the water level of the draining pump is too low. Therefore, the utility model not only has the function of a common submersible pump, but also has the characteristics of high efficiency and low water absorption level of a medium-low speed permanent magnet pump;

4. the drainage pump product of the utility model has the power of 7.5KW and the weight within 25 kilograms under general conditions; the power is 11KW, and the weight of the power is within 30 kilograms; the power is 15KW, and the weight is within 35 kg. Can be easily lifted by one person. The utility model can be widely applied to flood fighting, flood drainage, fire fighting, irrigation and other occasions.

Drawings

Fig. 1 is a bottom water inlet portable ground storehouse emergency drainage pump structure diagram of the utility model.

Detailed Description

The utility model relates to an efficient portable ground storehouse emergency drainage pump with bottom water inlet, belonging to a submersible electric pump, wherein a pump body adopts a vertical type light structure, and is made of integral stainless steel or adopts a mixed structure of local stainless steel and aluminum alloy, so that the utility model has light weight and is convenient to move; also has the characteristics of wear resistance, corrosion resistance and the like.

The utility model discloses a drain pump comprises the pump body 10, pivot 20, centrifugal impeller 30, well low rotational speed permanent magnetism synchronous variable frequency motor 40 and high frequency converter switch board 50, the pump body 10 adopts the spiral case formula structure. Wherein:

the pump body 10 further comprises a casing connecting seat 11, the casing connecting seat 11 is installed in cooperation with the rotating shaft 20, a heavy bearing 22 is arranged at the upper end of the casing connecting seat 11, an oil storage chamber 121 and an oil chamber cover 122 are arranged at the lower end of the casing connecting seat, and an oil bearing 21 is arranged in the oil storage chamber. The side of the pump body 10 is also provided with a water outlet 13, and the water outlet 13 is connected with a leather hose connector 15 through a quick-mounting clamp 14. The water outlet part of the pump body 10 adopts a clamp type quick-assembly water outlet connector, can be connected with a fire hose for use, can also be matched with other connection modes such as fire-fighting quick-assembly connector connection and the like according to actual needs, and has the characteristic of quick field application.

The centrifugal impeller 30 is made of a flow channel type stainless steel structure and is fixed on the rotating shaft 20 through a key 31, an impeller conical pad 32 and a nut 33. An oil seal 23 is arranged at the top end of the rotating shaft 20 and at the bottom of the oil chamber cover 120. The centrifugal impeller 30 further comprises a cooling cavity 35, the cooling cavity 35 comprises two parts which are respectively composed of an inner cavity and an outer cavity, and the inner cavity is arranged on the outer side of the casing connecting seat 11 and is communicated with a flow passage of the centrifugal impeller 30; the outer cavity is positioned in the water-cooling outer sleeve barrel 43 of the motor, and the inner cavity is communicated with the outer cavity through a through hole 35. The lower end of the centrifugal impeller 30 is provided with a filter screen base 34.

And a temperature control protection switch is arranged in the medium-low rotating speed permanent magnet synchronous variable frequency motor 40 and is connected with the outgoing line. The permanent magnet synchronous variable frequency motor mainly comprises a stator 44 and a rotor 45, and the outer side of the medium-low rotating speed permanent magnet synchronous variable frequency motor 40 further comprises a motor water-cooling outer sleeve 42. The motor shell 41 of the medium-low rotating speed permanent magnet synchronous variable frequency motor 40 is of a single-pass stainless steel structure. The motor shell 41 is provided with a top cover 43, and the stainless steel arc-shaped handle 46 is welded on the top cover 43 and is used for facilitating emergency movement.

The cable conductor on the top cover of the draining pump adopts a flexible sheath, the cable head adopts a compression nut group, the cable conductor is sleeved outside a YZW leading-out cable conductor and is screwed at the upper end outside the top cover by the compression nut, the cable conductor is sealed, and the cable conductor and the sealing effect are effectively protected. The YZW lead-out cable is arranged on the top cover 43 in an internal and upper lead-out mode, and the internal wire of the YZW lead-out cable is connected with the wiring terminal and the built-in temperature control protection switch and is connected with the lead-out wire of the motor; the outside line of the high-frequency permanent magnet synchronous frequency converter is connected with a control cabinet 50 of the high-frequency permanent magnet synchronous frequency converter for use. The starting and stopping of the medium and low speed permanent magnet synchronous motor 40 are controlled by a high frequency permanent magnet synchronous frequency converter control cabinet 50).

When the drainage pump is used, the hole aviation plug on the cable is inserted into an output socket of the high-frequency converter control cabinet 50, and the incoming line is inserted into a configuration socket of the aviation plug/control box of the incoming cable.

The utility model discloses a light ground storehouse drain pump of vertical type has high-efficient portable characteristics, is applicable to the emergent drainage in ground storehouse, and the weight that has compared the ordinary immersible pump of same power has reduced about 80%, and the volume has reduced about 75%. The water outlet part of the pump is connected with a hose by adopting a stainless steel quick-mounting head, and can also be connected with a general fire hose by adopting fire-fighting quick connection. The method has the characteristic of quick field application, improves the use speed by about 80 percent, and improves the application range by 80 percent.

Claims

1. The utility model provides a portable ground storehouse drain pump of bottom intaking, includes the pump body of spiral case shape, the centrifugal impeller of runner, motor and switch board, its characterized in that: the pump also comprises a machine shell connecting seat, and the machine shell connecting seat is matched with the rotating shaft; the upper end of the machine shell connecting seat is provided with a heavy bearing, the lower end of the machine shell connecting seat is provided with an oil storage chamber and an oil chamber cover, and an oil-containing bearing is arranged in the oil storage chamber; the lower end of the impeller is provided with a base with a filter screen; the side of the pump body is provided with a water outlet, and the water outlet is connected with the leather hose connector through a quick-mounting clamp.

2. The portable bottom entry sump pump of claim 1, further comprising: the impeller is of a stainless steel structure and is fixed on the rotating shaft through a key, an impeller conical pad and a nut.

3. The portable bottom entry sump pump of claim 1, further comprising: the motor is a medium-low rotating speed permanent magnet synchronous variable frequency motor.

4. The portable bottom entry sump pump of claim 3, further comprising: the motor is internally provided with a temperature control protection switch and is connected with the outgoing line.

5. The portable bottom entry sump pump of claim 3, further comprising: the motor shell of the motor is of a single-pass stainless steel structure.

6. The portable bottom entry sump pump of claim 3, further comprising: a sleeve barrel is arranged outside the shell of the motor, and the sleeve barrel, the connecting seat and the shell form a barrel hollow type cooling structure.

7. The portable bottom entry sump pump of claim 3, further comprising: the control cabinet is a high-frequency converter control cabinet.