CN220622206U

CN220622206U - Multi-stage long-shaft submerged pump

Info

Publication number: CN220622206U
Application number: CN202322328919.0U
Authority: CN
Inventors: 韩军
Original assignee: Jiangsu Jingye Pump Co ltd
Current assignee: Jiangsu Jingye Pump Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-19
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a multistage long shaft submerged pump, in particular to the field of water pumps, which comprises a top frame, wherein a double-shaft motor is installed in the top frame, the bottom end of the double-shaft motor is connected with a long shaft body, the bottom end of the long shaft body is connected with a water pumping head, a water outlet pipe is installed on the water pumping head, a matching component is installed on the top frame and is matched with the top end of the double-shaft motor, a top disc is installed at the top end of the top frame, a main shaft motor is supported and installed on the top disc, the bottom end of the main shaft motor is connected with the top end of the double-shaft motor, and a bolt rod is connected between the double-shaft motor and the main shaft motor. The utility model has the advantages of improving the running state of the water pump at a deeper water level, ensuring the normal running of the water pump, improving the pressure resistance and further ensuring the pumping efficiency of the water pump.

Description

Multi-stage long-shaft submerged pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a multistage long-shaft submerged water pump.

Background

A vertical centrifugal pump is suitable for multiple industry departments such as chemical industry, petroleum, electric power, metallurgy, pharmacy, papermaking, environmental protection and the like. With industry demands, high pressure, wear and corrosion resistant submerged pumps are in more demand.

The utility model patent of patent publication number CN217950706U discloses a multistage high-pressure submerged long shaft pump, the power output end and the long shaft one end of motor are connected through the diaphragm coupling, the long shaft is set gradually from top to bottom and is input long shaft, transition long shaft I, transition long shaft II and output long shaft, input long shaft, transition long shaft I, transition long shaft II and output long shaft are connected through spindle nose, intermediate shaft coupling and snap ring, the cover is equipped with the portion that absorbs water on the output long shaft, the portion that absorbs water includes inside working portion and segmentation casing, be equipped with balancing device between output long shaft and the outside casing, balancing device includes balance drum and balance sleeve, balance drum suit is on the output long shaft, balance sleeve suit is on balance drum. The long shaft pump can well balance most of axial force, improves the reliability of the pump, ensures that a pump rotor is always in a dynamic balance state, prevents grinding from occurring, and further improves the service life of the pump.

However, when the structure is actually used, as the water pressure in the water outlet pipe is increased along with the increase of the pump stage number, the water in the water outlet pipe cannot be discharged rapidly, so that the pressure of the water in the water outlet pipe on the water suction part is increased, the pump shaft is increased, the rotating speed of the rotor is influenced by the resistance, the rotor is stopped, and the pump body cannot be guaranteed to work under continuous high pressure, so that the multistage long-shaft submerged pump is provided.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem of overlarge singleness in the prior art and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a multistage long shaft submerged pump to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage major axis submerged pump, includes the roof-rack, installs the biax motor in the roof-rack, and biax motor bottom is connected with the major axis body, and major axis body bottom is connected with the water pump, installs the outlet pipe on the water pump, installs the cooperation subassembly on the roof-rack, and cooperation subassembly and biax motor top cooperation set up, and the roof-disk is installed on the roof-rack top, supports on the roof-disk and installs spindle motor, and spindle motor bottom is connected with biax motor top, is connected with the bolt between biax motor and the spindle motor.

Through the water level in the outlet pipe increases, the water pressure to the water pump increases, the subassembly that the major axis body bottom of the internal connection of water pump was connected receives pressure influence, when making the major axis body produce certain reversal, make the jackshaft on biax motor top revolve in step, thereby promote the linking board, make the linking board press the switch of one side, make the main shaft motor operation, the main shaft motor provides initial power for biax motor, the inside power of turning of cooperation biax motor, make biax motor rotate and carry out the rotation of direction of drawing water once more, thereby ensure that the water pump can last to carry out work, ensure the persistence of drawing water, and at biax motor normal pivoted in-process, main shaft motor is in standby state, main shaft motor's transmission shaft is free state, thereby rotate in step along with biax motor connection's jackshaft, and jackshaft pivoted in-process, make the connecting block stir linking board one end, make the spring compress, thereby make linking board break away from with the connecting block, the jackshaft can normally work.

Preferably, a movable groove is formed in one side of the top end of the top frame, a supporting block is welded in the movable groove, and the supporting block is connected with one side of the matching component.

Preferably, the top end of the double-shaft motor is provided with a top shaft, a connecting groove is formed in the top shaft, a connecting block is welded at the bottom end of the top shaft, and the connecting block is matched with one end of the matching component.

Preferably, a connector is welded on the transmission shaft of the spindle motor, and the connector is in plug-in fit with the connecting groove.

Preferably, a switch is arranged on the inner wall of the movable groove and is electrically connected with the spindle motor.

Preferably, the mating assembly includes a shaft having a bottom end mounted within the movable trough.

The connecting plate, connecting plate one end cup joints and installs on the axostylus axostyle, and connecting plate and connecting block keep off the cooperation, and connecting plate one side and switch cooperation setting.

And one end of the spring is connected with the other side of the connecting plate, and the other end of the spring is connected with the supporting block.

The utility model has the technical effects and advantages that:

1. through the arrangement of the double-shaft motor, the top shaft, the connecting groove, the bolt, the connector and the main shaft motor, compared with the prior art, when the double-shaft motor is stressed greatly and can not continuously work, the main shaft motor can provide power support for the double-shaft motor, so that the double-shaft motor is ensured to be in a normal working state again, and the water pump can continuously work in a deep water position;

2. through top axle, connecting block, supporting shoe, spring, linking board, axostylus axostyle and with spindle motor electric connection's switch complex setting, compare with prior art, when producing the reversal through the top axle, can trigger the switch that spindle motor connects and open to make the spindle motor can operate, realize intelligent control, make the spindle motor can work with biax motor cooperation, simultaneously, the in-process linking board at biax motor normal operating is not influenced the blocking of connecting block, makes biax motor can normally work.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a matching structure of the dual-shaft motor and the matching assembly according to the present utility model.

Fig. 3 is a schematic structural view of the mating assembly of the present utility model.

Fig. 4 is a schematic structural view of the biaxial motor of the present utility model.

Fig. 5 is a schematic structural view of a spindle motor according to the present utility model.

The reference numerals are: 1. a top frame; 2. a biaxial motor; 3. a long shaft body; 4. a water suction head; 5. a water outlet pipe; 6. a top plate; 7. a spindle motor; 8. a mating assembly; 801. a shaft lever; 802. a splice plate; 803. a spring; 9. a support block; 10. a top shaft; 11. a connecting groove; 12. a bolt; 13. a connecting block; 14. and (5) a connector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A multistage long shaft submerged pump as shown in figures 1-5 comprises a top frame 1, wherein a double shaft motor 2 is arranged in the top frame 1, the bottom end of the double shaft motor 2 is connected with a long shaft body 3, the bottom end of the long shaft body 3 is connected with a water pumping head 4, a water outlet pipe 5 is arranged on the water pumping head 4, a matching component 8 is arranged on the top frame 1, the matching component 8 is matched with the top end of the double shaft motor 2, a top disk 6 is arranged on the top end of the top frame 1, a main shaft motor 7 is supported and arranged on the top disk 6, the bottom end of the main shaft motor 7 is connected with the top end of the double shaft motor 2, a bolt 12 is connected between the double shaft motor 2 and the main shaft motor 7, the water pressure of the water pumping head 4 is increased through the water level increase in the water outlet pipe 5, so that components connected with the bottom of the long shaft body 3 in the water pumping head 4 are influenced by pressure, and when the long shaft body 3 generates certain reverse rotation, the top shaft 10 at the top end of the double-shaft motor 2 synchronously rotates so as to push the joint plate 802, the joint plate 802 presses a switch at one side, the main shaft motor 7 operates, the main shaft motor 7 provides initial power for the double-shaft motor 2, the main shaft motor 2 rotates to rotate and rotate in the water pumping direction again in cooperation with the rotating force in the double-shaft motor 2, the water pump can continuously work, the water pumping continuity is ensured, in the normal rotation process of the double-shaft motor 2, the main shaft motor 7 is in a standby state, the transmission shaft of the main shaft motor 7 is in a free state, the joint plate 802 is synchronously rotated along with the joint shaft 10 connected with the double-shaft motor 2, in the rotation process of the joint plate 10, the connecting block 13 stirs one end of the joint plate 802, the spring 803 compresses, the joint plate 802 is separated from the connecting block 13, the top shaft 10 can work normally.

As shown in fig. 2, a movable groove is formed in one side of the top end of the top frame 1, a supporting block 9 is welded in the movable groove, the supporting block 9 is connected with one side of the matching component 8, a switch is mounted on the inner wall of the movable groove, the switch is electrically connected with the spindle motor 7, the matching component 8 can be supported by the supporting block 9 to swing, and when the matching component 8 swings in the opposite direction to the supporting block 9, the switch can be pressed, so that the spindle motor 7 can be automatically triggered to operate.

As shown in fig. 4, the top end of the dual-shaft motor 2 is provided with a top shaft 10, the top shaft 10 is provided with a connecting groove 11, the bottom end of the top shaft 10 is welded with a connecting block 13, the connecting block 13 is matched with one end of the matching component 8, and the connecting block is inserted into the connecting groove 11 through a connecting head 14 and is connected and fixed by a bolt 12, so that the top shaft 10 of the dual-shaft motor 2 can be connected with a transmission shaft of the spindle motor 7.

As shown in fig. 5, a connector 14 is welded on the transmission shaft of the spindle motor 7, and the connector 14 is in plug-in fit with the connecting groove 11.

As shown in fig. 3, the mating assembly 8 includes a shaft 801, and the bottom end of the shaft 801 is mounted to the bottom end of the interior of the movable tank.

The connecting plate 802, connecting plate 802 one end cup joints and installs on axostylus axostyle 801, and connecting plate 802 and connecting block 13 keep off the cooperation, and connecting plate 802 one side and switch cooperation setting.

Spring 803, one end of spring 803 is connected with another side of the engagement plate 802, and another end of spring 803 is connected with supporting block 9.

The setting of cooperation subassembly 8 is so that detect the direction of rotation of apical axis 10 to judge the running state of water pump, when apical axis 10 atress is too big produces the reversal, can press the switch through the reversal of joint board 802, thereby triggers the operation of spindle motor 7, makes spindle motor 7 can cooperate biax motor 2 operation.

The working principle of the utility model is as follows: when the multistage long shaft submerged pump is utilized to work in deep water, the water level in the water outlet pipe 5 is increased, the water pressure of the water pumping head 4 is increased, the components connected to the bottom of the long shaft body 3 connected in the water pumping head 4 are affected by pressure, when the long shaft body 3 generates certain reverse rotation, the top shaft 10 at the top end of the double shaft motor 2 rotates synchronously, the connecting plate 802 is pushed, the connecting plate 802 presses a switch at one side, the main shaft motor 7 runs, the main shaft motor 7 provides initial power for the double shaft motor 2, the rotating force in the double shaft motor 2 is matched, the double shaft motor 2 rotates to rotate again to rotate in the water pumping direction, the water pump can be guaranteed to continuously work, the continuous water pumping performance is guaranteed, the main shaft motor 7 is in a standby state in the normal rotation process of the double shaft motor 2, the transmission shaft of the main shaft motor 7 is in a free state, the top shaft 10 connected with the double shaft motor 2 rotates synchronously, in the rotation process of the top shaft 10, the connecting block 13 toggles one end of the connecting plate 803, the spring is compressed, and the connecting plate 802 and the top shaft 13 can be separated from the top shaft 10.

The utility model has the advantages of improving the running state of the water pump at a deeper water level, ensuring the normal running of the water pump, improving the pressure resistance and further ensuring the pumping efficiency of the water pump.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a multistage major axis submerged pump, includes roof-rack (1), its characterized in that: install biax motor (2) in roof-rack (1), biax motor (2) bottom is connected with major axis body (3), major axis body (3) bottom is connected with water pumping head (4), install outlet pipe (5) on water pumping head (4), install cooperation subassembly (8) on roof-rack (1), cooperation subassembly (8) and biax motor (2) top cooperation set up, roof-rack (1) top is installed and is taken turns (6), support on take turns (6) and install spindle motor (7), spindle motor (7) bottom is connected with biax motor (2) top, be connected with peg (12) between biax motor (2) and spindle motor (7).

2. The multi-stage long shaft submerged pump of claim 1, wherein: a movable groove is formed in one side of the top end of the top frame (1), a supporting block (9) is welded in the movable groove, and the supporting block (9) is connected with one side of the matching component (8).

3. The multi-stage long shaft submerged pump of claim 1, wherein: the double-shaft motor is characterized in that a top shaft (10) is arranged at the top end of the double-shaft motor (2), a connecting groove (11) is formed in the top shaft (10), a connecting block (13) is welded at the bottom end of the top shaft (10), and the connecting block (13) is matched with one end of the matching component (8).

4. The multi-stage long shaft submerged pump of claim 1, wherein: a connector (14) is welded on a transmission shaft of the spindle motor (7), and the connector (14) is in plug-in fit with the connecting groove (11).

5. A multi-stage long shaft submerged pump according to claim 2, characterized in that: and a switch is arranged on the inner wall of the movable groove and is electrically connected with the spindle motor (7).

6. The multi-stage long shaft submerged pump of claim 1, wherein: the matching component (8) comprises a shaft lever (801), and the bottom end of the shaft lever (801) is arranged at the bottom end inside the movable groove;

the connecting plate (802), one end of the connecting plate (802) is sleeved on the shaft lever (801), the connecting plate (802) is matched with the connecting block (13) in a blocking way, and one side of the connecting plate (802) is matched with the switch;

and one end of the spring (803) is connected with the other side of the connecting plate (802), and the other end of the spring (803) is connected with the supporting block (9).