CN215486648U

CN215486648U - Submerged multipurpose slurry pump system single-suction centrifugal pump

Info

Publication number: CN215486648U
Application number: CN202121396413.8U
Authority: CN
Inventors: 赵风卫; 郭霞
Original assignee: Henan Rongwei Industrial Co ltd
Current assignee: Henan Rongwei Industrial Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-11
Anticipated expiration: 2031-06-23

Abstract

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a submerged multipurpose slurry pump system single-suction centrifugal pump which comprises a pump body, wherein a gland is arranged above the pump body, a water inlet is formed in the gland, a connecting shaft is arranged on the inner side of the pump body, an impeller is arranged on the connecting shaft, a pump cover is arranged below the pump body, a connecting pipe is arranged below the pump cover, a motor support is arranged below the connecting pipe, a connecting plate is arranged on the right side of the pump body, a water outlet pipe is arranged on the connecting plate, a water outlet is arranged on the water outlet pipe, and an oil seal is arranged between the pump cover and the connecting shaft.

Description

Submerged multipurpose slurry pump system single-suction centrifugal pump

Technical Field

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a submerged multipurpose slurry pump system single-suction centrifugal pump.

Background

The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates, and can be widely applied to the industries of electric power, metallurgy, coal, building materials and the like to transfer slurry containing solid particles.

Chinese patent with application number CN202021109797.6 discloses a single-stage single suction centrifugal pump, comprising a base plate, the top fixedly connected with support of bottom plate, the top fixedly connected with motor of support, one side fixedly connected with shaft coupling of motor, one side fixedly connected with pivot of shaft coupling, the middle fixedly connected with axial force balanced structure of pivot, the one end fixedly connected with impeller of pivot, one side swing joint that the one end of pivot is located the impeller has the bearing, the outside fixedly connected with pump case of bearing, one side fixedly connected with protection casing of pump case. The single-stage single-suction centrifugal pump has the advantages that the angles of the fan blades and the rotating shaft are arranged, so that the force with the opposite direction and the same magnitude as the axial force generated when the centrifugal pump operates is formed to balance with the fan blades, and the vibration and the noise caused by the axial force in the operating process of the centrifugal pump are avoided.

However, the centrifugal pump in the above prior art needs to be filled with liquid in the pump casing before use to complete the grouting, and the preparation work before use is too complicated, especially in an emergency that mud in a well needs to be quickly drained, and too much time is delayed, which may cause the mud to be poured backwards, increase the workload and the work difficulty, and delay the construction period.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a submerged multipurpose slurry pump system single-suction centrifugal pump, which is used for solving the problems that the conventional centrifugal pump can be started after liquid is filled in a pump shell before use and the grouting is finished, and the preparation work before use is too complex.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a multi-purpose mud pump of submerged formula is single suction centrifugal pump, includes the pump body, pump body top is equipped with the gland, be equipped with the water inlet on the gland, pump body inboard is equipped with even axle, even epaxial impeller that is equipped with, pump body below is equipped with the pump cover, pump cover below is equipped with the connecting pipe, the connecting pipe below is equipped with motor support, pump body right side is equipped with the connecting plate, be equipped with the outlet pipe on the connecting plate, be equipped with the delivery port on the outlet pipe, the pump cover is equipped with the oil blanket with even between the axle.

Furthermore, a flat key is arranged on the connecting shaft, the impeller is connected with the connecting shaft through the flat key, and a nut is arranged at the top end of the connecting shaft.

The impeller is connected with the connecting shaft through the flat key, so that the impeller and the connecting shaft are prevented from rotating relatively, the connecting shaft can drive the impeller to rotate together, liquid is thrown out by the impeller under the action of centrifugal force, a suction function is realized, the impeller can be fixed on the connecting shaft through the nut, the impeller and the connecting shaft cannot slide relatively, and the impeller is prevented from being separated.

Furthermore, a blade plate is arranged on the impeller.

The blade plate can apply centrifugal action to liquid along with the impeller, and the liquid is thrown out from the center of the impeller and thrown to the periphery to finish the pumping work.

Further, bearings are arranged between the connecting shaft and the pump cover and between the connecting shaft and the motor support.

The bearings are arranged between the connecting shaft and the pump cover and between the connecting shaft and the motor support, sliding friction between the connecting shaft and the pump cover and sliding friction between the connecting shaft and the motor support can be changed into rolling friction by the bearings, abrasion between the connecting shaft and the pump cover and between the connecting shaft and the motor support are reduced, and the service life is prolonged.

Further, a coupling is arranged at the bottom of the connecting shaft.

The shaft coupling can be connected with the connecting shaft and the motor, and the motor drives the connecting shaft to work.

Further, the motor support and the connecting pipe, the connecting pipe and the pump cover, the pump cover and the pump body, the pump body and the gland, and the connecting plate and the water outlet pipe are all connected through bolts.

The bolts can keep the motor support and the connecting pipe, the connecting pipe and the pump cover, the pump cover and the pump body, the pump body and the gland, and the connecting plate and the water outlet pipe relatively static, and the motor support and the connecting pipe, the connecting pipe and the pump cover, the pump cover and the pump body, the pump body and the gland, and the connecting plate and the water outlet pipe can be tightly connected together.

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

1. according to the utility model, the pump body does not need to be filled with liquid in advance, the pump body can start to work only by being immersed in the liquid, and the advance preparation work is not needed;

2. the pump body can be used no matter the pump body is vertical or inclined as long as the pump body is immersed in liquid, is easy to start, does not need to draw water, and is convenient to install;

3. a plurality of oil seals can prevent oil leakage, can be used as a sand prevention device, and is used for preventing sand flowing, dirt and the like from entering a bearing to aggravate abrasion and influence service life.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a single suction centrifugal pump of the submerged mud pump system of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

reference numerals in the drawings of the specification include:

the device comprises a motor support 1, a bearing 2, a connecting pipe 3, a bolt 4, a pump cover 6, an oil seal 8, a flat key 9, an impeller 10, a blade plate 1001, a pump body 11, a connecting plate 1101, a gland 12, a water inlet 1201, a nut 13, a water outlet pipe 16, a water outlet 1601, a connecting shaft 17 and a coupling 1701.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-3, the present invention relates to a submerged multipurpose slurry pump system single suction centrifugal pump, which comprises a pump body 11, wherein a gland 12 is arranged above the pump body 11, a water inlet 1201 is arranged on the gland 12, a connecting shaft 17 is arranged on the inner side of the pump body 11, an impeller 10 is arranged on the connecting shaft 17, a pump cover 6 is arranged below the pump body 11, a connecting pipe 3 is arranged below the pump cover 6, a motor support 1 is arranged below the connecting pipe 3, a connecting plate 1101 is arranged on the right side of the pump body 11, a water outlet pipe 1601 is arranged on the connecting plate 1101, a water outlet 1601 is arranged on the water outlet pipe 16, and an oil seal 8 is arranged between the pump cover 6 and the connecting shaft 17. Particularly, the pump body 11 is the primary structure of whole device, be equipped with water inlet 1201 on the gland 12, liquid can follow water inlet 1201 and get into in the pump body 11, even axle 17 can be connected with the motor, the motor can drive even axle 17 and rotate, be equipped with impeller 10 on even axle 17, even axle 17 can drive impeller 10 and together rotate, let liquid receive centrifugal force, be thrown away by the impeller, realize the suction function, pump cover 6 can seal pump body 11 one side, connecting pipe 3 can be connected pump cover 6 and motor support 1, the user can be through changing connecting pipe 3, prolong the length of whole device, let the device can put into use in darker hole.

Example two:

as a further improvement of the previous embodiment, as shown in fig. 1-3, the present invention provides a submerged multipurpose slurry pump system single suction centrifugal pump, which includes a pump body 11, a gland 12 is disposed above the pump body 11, a water inlet 1201 is disposed on the gland 12, a connecting shaft 17 is disposed inside the pump body 11, an impeller 10 is disposed on the connecting shaft 17, a pump cover 6 is disposed below the pump body 11, a connecting pipe 3 is disposed below the pump cover 6, a motor support 1 is disposed below the connecting pipe 3, a connecting plate 1101 is disposed on the right side of the pump body 11, a water outlet pipe 16 is disposed on the connecting plate 1101, a water outlet 1601 is disposed on the water outlet pipe 16, and an oil seal 8 is disposed between the pump cover 6 and the connecting shaft 17. Particularly, the pump body 11 is the primary structure of whole device, be equipped with water inlet 1201 on the gland 12, liquid can follow water inlet 1201 and get into in the pump body 11, even axle 17 can be connected with the motor, the motor can drive even axle 17 and rotate, be equipped with impeller 10 on even axle 17, even axle 17 can drive impeller 10 and together rotate, let liquid receive centrifugal force, be thrown away by the impeller, realize the suction function, pump cover 6 can seal pump body 11 one side, connecting pipe 3 can be connected pump cover 6 and motor support 1, the user can be through changing connecting pipe 3, prolong the length of whole device, let the device can put into use in darker hole.

The connecting shaft 17 is provided with a flat key 9, the impeller 10 is connected with the connecting shaft 17 through the flat key 9, and the top end of the connecting shaft 17 is provided with a nut 13. Specifically, the impeller 10 is connected with the connecting shaft 17 through the flat key 9, relative rotation between the impeller 10 and the connecting shaft 17 is prevented, the connecting shaft 17 can drive the impeller 10 to rotate together, liquid is thrown out by the impeller under the action of centrifugal force, a suction function is realized, the nut 13 can fix the impeller 10 on the connecting shaft 17, relative sliding between the impeller 10 and the connecting shaft 17 is avoided, and the impeller 10 is prevented from being separated.

The impeller 10 is provided with a vane 1001. Specifically, the vane 1001 can exert a centrifugal action on the liquid following the impeller 10, and the liquid is thrown out from the center of the impeller 10 and thrown to the periphery to complete the suction work.

And bearings 2 are arranged between the connecting shaft 17 and the pump cover 6 and between the connecting shaft 17 and the motor support 1. Particularly, the bearings 2 are arranged between the connecting shaft 17 and the pump cover 6 and between the connecting shaft 17 and the motor support 1, the sliding friction between the connecting shaft 17 and the pump cover 6 and between the connecting shaft 17 and the motor support 1 can be changed into rolling friction by the bearings 2, the abrasion between the connecting shaft 17 and the pump cover 6 and between the connecting shaft 17 and the motor support 1 is reduced, and the service life is prolonged.

The coupling 1701 is provided at the bottom of the coupling 17. Specifically, the coupling 1701 may connect the coupling 17 to a motor, so that the motor drives the coupling 17 to operate.

The motor support 1 and the connecting pipe 3, the connecting pipe 3 and the pump cover 6, the pump cover 6 and the pump body 11, the pump body 11 and the gland 12, and the connecting plate 1101 and the water outlet pipe 16 are all connected through bolts 4. Specifically, the bolts 4 can keep the motor support 1 and the connecting pipe 3, the connecting pipe 3 and the pump cover 6, the pump cover 6 and the pump body 11, the pump body 11 and the gland 12, and the connecting plate 1101 and the water outlet pipe 16 relatively stationary, and tightly connect the motor support 1 and the connecting pipe 3, the connecting pipe 3 and the pump cover 6, the pump cover 6 and the pump body 11, the pump body 11 and the gland 12, and the connecting plate 1101 and the water outlet pipe 16.

Embodiment two is relative to embodiment one, in embodiment two, impeller 10 is connected with connecting shaft 17 through flat key 9, prevent the relative rotation between impeller 10 and connecting shaft 17, let connecting shaft 17 can drive impeller 10 to rotate together, let liquid receive centrifugal force, throw out by the impeller, realize the suction function, nut 13 can fix impeller 10 on connecting shaft 17, let impeller 10 and connecting shaft 17 will not slide relatively, prevent impeller 10 from breaking away from, lamina 1001 can exert centrifugal action to liquid following impeller 10, liquid throws out from the center of impeller 10, throw to the periphery, finish the suction work, connecting shaft 17 and pump cover 6, connecting shaft 17 and motor support 1 are equipped with bearing 2, bearing 2 can change the sliding friction between connecting shaft 17 and pump cover 6, connecting shaft 17 and motor support 1 into rolling friction, reduce the abrasion between connecting shaft 17 and pump cover 6, connecting shaft 17 and motor support 1, the service life is prolonged, the coupling 1701 can connect the connecting shaft 17 with the motor, the motor drives the connecting shaft 17 to work, the bolt 4 can enable the motor support 1 and the connecting pipe 3, the connecting pipe 3 and the pump cover 6, the pump cover 6 and the pump body 11, the pump body 11 and the gland 12, the connecting plate 1101 and the water outlet pipe 16 to keep relatively static, and the motor support 1 and the connecting pipe 3, the connecting pipe 3 and the pump cover 6, the pump cover 6 and the pump body 11, the pump body 11 and the gland 12, and the connecting plate 1101 and the water outlet pipe 16 can be tightly connected together.

The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a submerged formula multi-purpose mud pump system single suction centrifugal pump which characterized in that: including the pump body (11), the pump body (11) top is equipped with gland (12), be equipped with water inlet (1201) on gland (12), the pump body (11) inboard is equipped with even axle (17), be equipped with impeller (10) on even axle (17), the pump body (11) below is equipped with pump cover (6), pump cover (6) below is equipped with connecting pipe (3), connecting pipe (3) below is equipped with motor support (1), the pump body (11) right side is equipped with connecting plate (1101), be equipped with outlet pipe (16) on connecting plate (1101), be equipped with delivery port (1601) on outlet pipe (16), be equipped with oil blanket (8) between pump cover (6) and even axle (17).

2. The submersible multipurpose slurry pump system single suction centrifugal pump of claim 1, wherein: the impeller is characterized in that a flat key (9) is arranged on the connecting shaft (17), the impeller (10) is connected with the connecting shaft (17) through the flat key (9), and a nut (13) is arranged at the top end of the connecting shaft (17).

3. The submersible multipurpose slurry pump system single suction centrifugal pump of claim 2, wherein: the impeller (10) is provided with an impeller plate (1001).

4. A submersible multipurpose slurry pump system single suction centrifugal pump according to claim 3, wherein: and bearings (2) are arranged between the connecting shaft (17) and the pump cover (6) and between the connecting shaft (17) and the motor support (1).

5. The submersible multipurpose slurry pump system single suction centrifugal pump of claim 4, wherein: and a coupler (1701) is arranged at the bottom of the connecting shaft (17).

6. The submersible multipurpose slurry pump system single suction centrifugal pump of claim 5, wherein: the motor support (1) is connected with the connecting pipe (3), the connecting pipe (3) is connected with the pump cover (6), the pump cover (6) is connected with the pump body (11), the pump body (11) is connected with the gland (12), and the connecting plate (1101) is connected with the water outlet pipe (16) through bolts (4).