阅读说明：本技术 一种屏蔽潜水电泵 (Shielding submersible electric pump ) 是由 张帅 梁樑 朱庆龙 杨勇 舒雪辉 荚小健 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种屏蔽潜水电泵,所述进水体通过安装螺栓固定安装在潜水电泵主体的一侧,所述出水体通过安装螺栓固定安装在潜水电泵主体的另一侧,所述进水体和出水体上均设置有水流通孔,所述轴承外圈固定连接在潜水电泵主体内,所述转轴固定连接在轴承内圈,所述转轴中心位置外圈设置有与所述连接键相配合的键槽,所述轮毂内周设置有与连接键相配合的键槽,所述轮毂通过连接键与转轴固定连接,所述轮毂外周固定连接有叶片,所述转子固定连接在叶片远离轮毂的一侧,所述定子固定安装在潜水电泵主体内侧壁上,本发明通过在转子和定子外部设置屏蔽套,液体从电机屏蔽套之间流过,可防止腐蚀性液体对电机定子、转子的破坏。(The invention discloses a shielding submersible electric pump, wherein a water inlet body is fixedly arranged at one side of a submersible electric pump main body through a mounting bolt, a water outlet body is fixedly arranged at the other side of the submersible electric pump main body through the mounting bolt, water flow through holes are respectively arranged on the water inlet body and the water outlet body, a bearing outer ring is fixedly connected in the submersible electric pump main body, a rotating shaft is fixedly connected with a bearing inner ring, a key groove matched with a connecting key is arranged on the outer ring at the central position of the rotating shaft, the inner periphery of a hub is provided with the key groove matched with the connecting key, the hub is fixedly connected with the rotating shaft through the connecting key, blades are fixedly connected with the outer periphery of the hub, a rotor is fixedly connected at one side of the blades far away from the hub, and a stator is fixedly arranged on the inner side wall of the submersible electric pump main, the damage of corrosive liquid to the stator and the rotor of the motor can be prevented.)

1. A shielding submersible electric pump is characterized by comprising a submersible electric pump main body (1), a water inlet body (2), a water outlet body (3), mounting bolts (4), a rotating shaft (5), a connecting key (6), a bearing (7), blades (8), a rotor (9), a stator (10) and a hub (12); the water inlet body (2) is fixedly arranged on one side of the submersible electric pump main body (1) through a mounting bolt (4), the water outlet body (3) is fixedly arranged on the other side of the submersible electric pump main body (1) through the mounting bolt (4), water flow through holes are formed in the water inlet body (2) and the water outlet body (3), the outer ring of the bearing (7) is fixedly connected in the submersible electric pump main body (1), the rotating shaft (5) is fixedly connected to the inner ring of the bearing (7), the outer ring of the central position of the rotating shaft (5) is provided with a key groove matched with the connecting key (6), the inner ring of the hub (12) is provided with a key groove matched with the connecting key (6), the hub (12) is fixedly connected with the rotating shaft (5) through the connecting key (6), the outer periphery of the hub (12) is fixedly connected with blades (8), and the rotor (9) is fixedly connected to one side, far away from the hub, the stator (10) is fixedly arranged on the inner side wall of the submersible electric pump main body (1).

2. The canned submersible electric pump according to claim 1, characterized in that the mounting bolts (4) are arranged in several groups, and the mounting bolts (4) on the water inlet body (2) and the water outlet body (3) are distributed in an annular array.

3. A canned submersible electric pump according to claim 1, characterized in that the rotor (9) and the stator (10) are externally fitted with a canned jacket (11).

4. The canned submersible electric pump according to claim 1, characterized in that said bearings (7) are provided in at least two groups and are distributed symmetrically with respect to the hub (12).

5. The canned submersible electric pump according to claim 1, characterized in that the bearing (7) is chosen from a sliding bearing or a rolling bearing.

6. A canned submersible electric pump according to claim 1, characterized in that the blades (8), the rotor (9) and the hub (12) are fixedly connected by welding.

7. The canned submersible electric pump according to claim 1, characterized in that the shaft (5) is externally sheathed with a bushing (13).

8. A canned submersible electric pump according to claim 1, characterized in that the blades (8) are provided with a plurality of groups and are symmetrically mounted on the periphery of the hub (12).

9. A canned submersible electric pump according to claim 1, characterized in that the submersible electric pump body (1) is mounted in a vertical, horizontal or inclined manner.

Technical Field

The invention relates to the technical field of submersible electric pumps, in particular to a shielding submersible electric pump.

Background

The submersible electric pump is a water pump with a pump body and a motor submerged in water, and is widely applied to the hydraulic engineering industry.

However, present submerged motor pump can't protect the stator and the rotor of charge pump motor, and the liquid that enters into the charge pump when corrosivity causes the corruption destruction to motor stator and rotor inside to influence the life of charge pump, still there is the size great at present submerged motor pump, and weight is great and use is inconvenient, can only carry out the installation of a mode and cause the limitation of using.

Disclosure of Invention

The invention aims to provide a shielding submersible electric pump, which is characterized in that shielding sleeves are arranged outside a rotor and a stator, liquid flows through between the motor shielding sleeves, the damage of corrosive liquid to the motor stator and the rotor can be prevented, the installation mode of a submersible electric pump main body is vertical, horizontal or inclined, various installation modes can ensure that the submersible electric pump can normally work and use in different environments, and the electric pump is compact in structure, short in length and light in weight.

The purpose of the invention can be realized by the following technical scheme:

a shielding submersible electric pump comprises a submersible electric pump main body, a water inlet body, a water outlet body, mounting bolts, a rotating shaft, a connecting key, a bearing, blades, a rotor, a stator and a hub; the utility model discloses a submersible pump, including the body of intaking, the body of intaking passes through mounting bolt fixed mounting in one side of submersible pump main part, the body of going out passes through mounting bolt fixed mounting at the opposite side of submersible pump main part, all be provided with the rivers through-hole on the body of intaking and the body of going out, bearing inner race fixed connection is in the submersible pump main part, pivot fixed connection is at the bearing inner circle, pivot central point put the outer lane be provided with connect key matched with keyway, wheel hub is interior to be provided with and to be connected key matched with keyway, wheel hub passes through connect key and pivot fixed connection, wheel hub periphery fixedly connected with blade, rotor fixed connection keeps away from one side of wheel hub at the blade, stator fixed mounting is on.

Preferably, the mounting bolts are provided with a plurality of groups, and the mounting bolts on the water inlet body and the water outlet body are distributed in an annular array.

Preferably, the rotor and the stator are externally sealed and sleeved with a shielding sleeve.

Preferably, the bearings are at least provided with two groups and are symmetrically distributed by taking the hub as a center.

Preferably, the bearing is a sliding bearing or a rolling bearing.

Preferably, the blades, the rotor and the hub are fixedly connected by welding.

Preferably, a shaft sleeve is sleeved outside the rotating shaft.

Preferably, the blades are provided with a plurality of groups and are symmetrically arranged on the periphery of the hub.

Preferably, the submersible electric pump main body is installed in a vertical, horizontal or inclined mode.

The invention has the beneficial effects that: the rotor of the submersible electric pump is assembled by a rotating shaft, connecting keys, blades, a rotor, a hub and a shaft sleeve, the blades, the rotor and the hub are fixedly connected by a welding mode and are connected by a welding mode, the connection stability is effectively improved, the two-way flow of liquid can be realized by the symmetrically arranged blades, the rotating shaft is rotationally connected with the submersible electric pump main body by a bearing, the bearing is used as a bearing point of the submersible electric pump rotor, a rolling bearing or a sliding bearing can be selected, the type selection is carried out according to the actual requirement, the bearings are at least provided with two groups and are symmetrically distributed, the stability of the rotating shaft is effectively improved, a water inlet body and a water outlet body are respectively and fixedly arranged at two sides of the submersible electric pump main body by mounting bolts, the mounting bolts distributed in an annular array form are used for improving the mounting stability, the liquid enters the submersible electric pump main body from the water, the submersible electric pump has the advantages that liquid flows through the motor shielding sleeves, the damage of corrosive liquid to the motor stator and the motor rotor can be prevented, the installation mode of the submersible electric pump main body is vertical, horizontal or inclined, and the submersible electric pump can be ensured to normally work and use under different environments through various installation modes.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. a submersible electric pump body; 2. a water inlet body; 3. discharging the water body; 4. installing a bolt; 5. a rotating shaft; 6. a connecting bond; 7. a bearing; 8. a blade; 9. a rotor; 10. a stator; 11. a shielding sleeve; 12. a hub; 13. and a shaft sleeve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a shielding submersible electric pump includes a submersible electric pump body 1, a water inlet body 2, a water outlet body 3, a mounting bolt 4, a rotating shaft 5, a connecting key 6, a bearing 7, a blade 8, a rotor 9, a stator 10 and a hub 12; water inlet body 2 is through 4 fixed mounting of construction bolt in one side of submerged motor pump main part 1, water outlet body 3 is through 4 fixed mounting of construction bolt in the opposite side of submerged motor pump main part 1, water inlet body 2 and water outlet body 3 are last all to be provided with the rivers through-hole, bearing 7 outer lane fixed connection is in submerged motor pump main part 1, 5 fixed connection in bearing 7 inner circles in the pivot, 5 central point of pivot put the outer lane be provided with connect key 6 matched with keyway, 12 interior week of wheel hub be provided with connect key 6 matched with keyway, wheel hub 12 is through connect key 6 and 5 fixed connection in pivot, 12 periphery fixedly connected with blades 8 of wheel hub, rotor 9 fixed connection is in one side that wheel hub 12 was kept away from to blades 8, stator 10 fixed mounting is on 1 inside wall of submerged motor pump main part.

The mounting bolts 4 are provided with a plurality of groups, the mounting bolts 4 on the water inlet body 2 and the water outlet body 3 are distributed in an annular array mode, the water inlet body 2 and the water outlet body 3 are fixedly mounted on two sides of the submerged electric pump main body 1 through the mounting bolts 4 respectively, and the mounting bolts 4 distributed in the annular array mode improve mounting stability.

The shielding sleeve 11 is sleeved outside the rotor 9 and the stator 10 in a sealing manner, and liquid flows through the shielding sleeve 11 arranged outside the rotor 9 and the stator 10, so that the damage of corrosive liquid to the motor stator 10 and the rotor 9 can be prevented.

The bearing 7 is at least provided with two sets and uses the wheel hub 12 as central symmetric distribution, and the bearing 7 sets up two sets and symmetric distribution at least, effectively improves the stability to the countershaft 5.

The bearing 7 is a sliding bearing or a rolling bearing, the bearing is used as a bearing point of a rotor of the submersible electric pump, the rolling bearing or the sliding bearing can be selected, and the model selection is carried out according to actual requirements.

The blades 8, the rotor 9 and the hub 12 are fixedly connected in a welding mode and connected in a welding mode, and the connection stability is effectively improved.

The outside cover of pivot 5 is equipped with axle sleeve 13, and the setting of axle sleeve 13 effectively plays the effect of protection to pivot 5.

The blades 8 are provided with a plurality of groups and are symmetrically arranged on the periphery of the hub 12, and the symmetrically arranged blades 8 can realize the bidirectional flow of liquid.

The submersible electric pump main body 1 is installed in a vertical type, a horizontal type or an inclined type, and normal work and use of the submersible electric pump in different environments can be guaranteed through various installation modes.

When the submersible electric pump is used, a rotor of the submersible electric pump is assembled by the rotating shaft 5, the connecting keys 6, the blades 8, the rotors 9, the hubs 12 and the shaft sleeve 13, the blades 8, the rotors 9 and the hubs 12 are fixedly connected in a welding mode and are connected in a welding mode, the connection stability is effectively improved, the symmetrically arranged blades 8 can realize bidirectional flow of liquid, the rotating shaft 5 is rotatably connected with the submersible electric pump main body 1 through the bearings 7, the bearings are used as bearing points of the submersible electric pump rotor and can be selected by rolling bearings or sliding bearings according to actual requirements, the bearings 7 are at least provided with two groups and are symmetrically distributed, the stability of the rotating shaft 5 is effectively improved, the water inlet body 2 and the water outlet body 3 are respectively and fixedly arranged at two sides of the submersible electric pump main body 1 through the mounting bolts 4, the mounting bolts 4 distributed in an annular array form improve the mounting stability, and the liquid enters the submersible electric, and discharge submerged motor pump body 1 through outlet water body 3, through set up housing 11 in rotor 9 and stator 10 outside, liquid flows through between the motor housing, can prevent corrosive liquid to the destruction of motor stator 10, rotor 9, and submerged motor pump main part 1 mounting means is vertical, horizontal or tilting installation, and multiple mounting means can ensure that submerged motor pump carries out normal work and use under the environment of difference.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.