CN209261857U - A kind of high-lift submersible pump - Google Patents

Abstract

The utility model belongs to water pump technology, it is related to submersible pump device, especially a kind of high-lift submersible pump, including motor and oil pump, the motor includes electric machine casing, the rear end of the electric machine casing is equipped with pedestal, the front end of the electric machine casing is equipped with suction attachment, the motor is connected by the suction attachment with oil pump, the motor includes an electric machine casing, first main shaft and the second main shaft are sequentially installed in the electric machine casing, first main shaft and the rotation of the second main shaft synchronous same-speed, rotor is separately installed on the outside of first main shaft and the second main shaft, the first stator and the second stator are separately installed in electric machine casing corresponding with rotor inner edge, the circuit of first stator and the second stator is serially connected；Universal driving shaft in the oil pump is connected with the end of the second main shaft, which is used for external pipeline far from the water outlet connector that the side of suction attachment is installed, and the shell of the oil pump uses steel shell.

Description

A kind of high-lift submersible pump

Technical field

The utility model belongs to water pump technology, is related to submersible pump device, especially a kind of high-lift diving Pump.

Background technique

Immersible pump is a kind of usual means, is widely used in rivers, lake, the water sources such as deep-well are adopted among water process.

Existing immersible pump generally comprises the pump housing and motor, and electric machine structure generally comprises electric machine casing, two in electric machine casing End is respectively arranged with fore bearing group and rear bearing group, and main shaft, main shaft outside one are equipped between the fore bearing group and rear bearing group Body is equipped with rotor, and the corresponding position on the outside of rotor is equipped with stator.

In use, since the lift of immersible pump is limited, in order to reach the lift summation of two immersible pumps, In existing embodiment, the water outlet of an immersible pump need to be connected with the suction inlet of another immersible pump, to carry out It pressurizes step by step.But there are certain deficiencies for above-mentioned this usage mode, since length whole after assembling is two immersible pumps Length and connector combination, therefore, aforesaid way is very high to the space requirement of field of employment, is unsuitable for that hole diameter is small or space Small working environment, in addition to this, length and bonding strength have seriously affected the transport and movement of device, installation trouble, It is with high costs.

To solve the above problems, some production firms produce corresponding immersible pump, such as Patent No. " 2013205933932 ", patent name are the technical solution of " built-in submerged pump of connecting ", and structure is in a set of diving pump case It is inside separately installed with two groups of motors and pump body structure, inlet and outlet are integrated respectively, it actually will be outside two groups The submersible pump structure of dress formula is integrated, and is mounted in a shell, it reduces really between two groups of immersible pumps from structure The devices such as connector used, but actual principle is still and is pressurizeed step by step using two groups of immersible pumps.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of structurally reasonable, volume is smaller, without turning A kind of high-lift submersible pump of rate.

The utility model is achieved through the following technical solutions:

A kind of high-lift submersible pump, including motor and oil pump, the motor include electric machine casing, the rear end of the electric machine casing Portion is equipped with pedestal, and the front end of the electric machine casing is equipped with suction attachment, and the motor passes through the suction attachment and oil pump phase Connection, it is characterised in that: the motor includes an electric machine casing, and the first main shaft and the second master are sequentially equipped in the electric machine casing Axis, first main shaft and the second main shaft synchronous same-speed rotate, and are separately installed with and turn on the outside of first main shaft and the second main shaft Son is separately installed with the first stator and the second stator in electric machine casing corresponding with rotor inner edge, first stator and The circuit of second stator is serially connected；Universal driving shaft in the oil pump is connected with the end of the second main shaft, and the oil pump is far from suction Enter the water outlet connector of the side installation of connector for external pipeline, the shell of the oil pump uses steel shell.

Moreover, the electric machine casing rear end is equipped with rear bearing group, middle part is provided with middle (center) bearing group, and front end is equipped with Fore bearing group is equipped with the first main shaft, installs between middle (center) bearing group and fore bearing group between the rear bearing group and middle (center) bearing group There is the second main shaft, shaft coupling is installed in middle (center) bearing group, the first main shaft and the second main shaft are connected.

Moreover, circumferentially producing three wiring bins, each wiring bin in the electric machine casing inner wall of the middle (center) bearing side It is inside movably installed with capping respectively.

The advantages and positive effects of the utility model are as follows:

1. in the utility model, the structure that two groups of immersible pumps are integrated in original technology is replaced to pass through in terms of motor The cooperation of first main shaft and the second main shaft extends original main shaft and rotor, stator, to promote the power of motor, the first stator and Second stator is attached using concatenated mode, so that the revolving speed and rotor speed of the first stator and the second stator rotating excitation field It is synchronous, it can effectively avoid the presence of revolutional slip, further promote the power of motor, in terms of the pump housing, pass through suction attachment and electricity Machine is connected, and the pump housing uses steel shell, compared to the cast iron housing that is used in existing immersible pump, water pressure resistance effect can be effectively improved Fruit, to be adapted to more powerful motor；Oil pump and motor are assembled in use, making for high lift can be realized With effect, direct saving one not only is gone back without attachment device complicated between two sets of pump groups in the prior art in structure The structure of the pump housing has not only saved the cost of device, has improved reliability, also significantly reduces the complexity and body of structure Product.

2. in the utility model, the setting of shaft coupling is for connecting the first main shaft and the second main shaft, so that the first main shaft It is identical with the revolving speed of the second main shaft.

3. in the utility model, wiring bin is used to accommodate the cable of the first stator and the connection of the second stator, activity is used The capping of installation is then the unlatching and closure of wiring bin for convenience.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlarged view in the portion A in Fig. 1.

Specific embodiment

It elaborates below by embodiment to the utility model, the embodiment is illustrative instead of limiting , protection scope of this utility model cannot be limited by this.

A kind of high-lift submersible pump, including motor and oil pump, the motor include electric machine casing 16, after the electric machine casing End is equipped with pedestal 1, and the front end of the electric machine casing is equipped with suction attachment 8, and the motor passes through the suction attachment and oil Pump is connected, and the innovation of the utility model is, the motor includes an electric machine casing, and the is sequentially equipped in the electric machine casing One main shaft 3 and the second main shaft 12, first main shaft and the rotation of the second main shaft synchronous same-speed, first main shaft and the second main shaft Outside is separately installed with rotor 5, and it is fixed to be separately installed with the first stator 4 and second in electric machine casing corresponding with rotor inner edge The circuit of son 13, first stator and the second stator is serially connected；The end of universal driving shaft 10 and the second main shaft in the oil pump Portion is connected, which is used for external pipeline, the shell of the oil pump far from the water outlet connector 11 that the side of suction attachment is installed Using steel shell 9.

In the present embodiment, the first main shaft and the second main shaft are respectively using iron core conducting bar as rotor.

In the present embodiment, first stator and the second stator use three-phase windings, and the three-phase windings of two motors distinguish phase It should connect.

In the present embodiment, the electric machine casing rear end is equipped with rear bearing group, which is thrust bearing group 2, Middle part is provided with middle (center) bearing group 15, and front end is equipped with fore bearing group, and carrier 7, the rear bearing are connected in fore bearing group First main shaft is installed between group and middle (center) bearing group, the second main shaft, middle (center) bearing group are installed between middle (center) bearing group and fore bearing group Shaft coupling 6 is inside installed the first main shaft and the second main shaft are connected.

In the present embodiment, in the electric machine casing inner wall of the middle (center) bearing side, three wiring bins 17 are circumferentially produced, often Capping 14 is movably installed in a wiring bin respectively.

The use process of the utility model is:

In the utility model, external water source is imported by the suction attachment between motor and oil pump, the main shaft and oil of motor The universal driving shaft of pump links, so that the water source of sucking be driven to pressurize step by step through the impeller in oil pump, finally by water outlet connector export to Carried out in external pipeline using.

In the utility model, replace the structure integrated of two groups of immersible pumps in original technology, in terms of motor, by the The cooperation of one main shaft and the second main shaft extends original main shaft and rotor, stator, to promote the power of motor, the first stator and the Two stators are attached using concatenated mode, so that the revolving speed and rotor speed of the first stator and the second stator rotating excitation field are same Step, can effectively avoid the presence of revolutional slip, and the power for further promoting motor passes through suction attachment and motor in terms of the pump housing Be connected, the pump housing uses steel shell, compared to the cast iron housing that is used in existing immersible pump, water pressure resistance effect can be effectively improved Fruit, to be adapted to more powerful motor；Oil pump and motor are assembled in use, making for high lift can be realized With effect, direct saving one not only is gone back without attachment device complicated between two sets of pump groups in the prior art in structure The structure of the pump housing has not only saved the cost of device, has improved reliability, also significantly reduces the complexity and body of structure Product；The setting of shaft coupling is for connecting the first main shaft and the second main shaft, so that the revolving speed of the first main shaft and the second main shaft is identical； Wiring bin is used to accommodate the cable of the first stator and the connection of the second stator, and the capping for using activity to install is then to connect for convenience The unlatching and closure in line storehouse；First stator and the second stator use three-phase windings, connection type using star connection be in order to The mode of easy wiring forms the laying of two asterism of two-way, and the first stator and second only can be completed by six cable connections The series connection of stator inductance.

Claims (3)

1. a kind of high-lift submersible pump, including motor and oil pump, the motor includes electric machine casing, the rear end of the electric machine casing Pedestal is installed, the front end of the electric machine casing is equipped with suction attachment, and the motor is connected by the suction attachment with oil pump It connects, it is characterised in that: the motor includes an electric machine casing, and the first main shaft and the second master are sequentially equipped in the electric machine casing Axis, first main shaft and the second main shaft synchronous same-speed rotate, and are separately installed with and turn on the outside of first main shaft and the second main shaft Son is separately installed with the first stator and the second stator in electric machine casing corresponding with rotor inner edge, first stator and The circuit of second stator is serially connected；Universal driving shaft in the oil pump is connected with the end of the second main shaft, and the oil pump is far from suction Enter the water outlet connector of the side installation of connector for external pipeline, the shell of the oil pump uses steel shell.

2. a kind of high-lift submersible pump according to claim 1, it is characterised in that: the electric machine casing rear end is equipped with Rear bearing group, middle part are provided with middle (center) bearing group, and front end is equipped with fore bearing group, pacifies between the rear bearing group and middle (center) bearing group Equipped with the first main shaft, the second main shaft is installed between middle (center) bearing group and fore bearing group, shaft coupling is installed by middle (center) bearing group One main shaft and the second main shaft are connected.

3. a kind of high-lift submersible pump according to claim 1, it is characterised in that: in the motor casing of the middle (center) bearing side Body inner wall circumferentially produces three wiring bins, is movably installed with capping respectively in each wiring bin.