CN215566908U

CN215566908U - Multistage centrifugal pump with balanced axial force

Info

Publication number: CN215566908U
Application number: CN202121542865.2U
Authority: CN
Inventors: 樊佑华; 刘承英
Original assignee: Shandong Wuzixing Mining Equipment Co ltd
Current assignee: Shandong Wuzixing Mining Equipment Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-01-18
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a multistage centrifugal pump with balanced axial force, which comprises a main body, wherein a fixed plate is arranged on the outer surface of the upper end of the main body, a motor is arranged on the outer surface of the upper end of the fixed plate, and a pump head is arranged on the outer surface of one end of the motor. The multistage centrifugal pump with balanced axial force is beneficial to ensuring that the centrifugal pump is suitable for different working environments through the arranged mounting plate, the bottom plate, the threaded column, the stabilizing foot and the bolt, and simultaneously ensures that the centrifugal pump is in a horizontal state during working to ensure the stability of the centrifugal pump during working.

Description

Multistage centrifugal pump with balanced axial force

Technical Field

The utility model relates to the field of centrifugal pumps, in particular to a multistage centrifugal pump with balanced axial force.

Background

The multistage centrifugal pump is characterized in that more than two centrifugal pumps with the same function are integrated together, and the fluid channel structure shows that a medium pressure relief opening of a first stage is communicated with an inlet of a second stage, and a medium pressure relief opening of the second stage is communicated with an inlet of a third stage, so that a mechanism connected in series forms the multistage centrifugal pump, the multistage centrifugal pump has the significance of improving set pressure, but the existing multistage centrifugal pump cannot meet the requirements of people.

The existing multistage centrifugal pump has certain defects when in use, and is firstly complex to install and poor in stability in the use process, so that the working strength of workers is improved, the installation mode of a transmission pipe of the existing multistage centrifugal pump is complex, the condition of air leakage can occur, certain adverse effects are brought to the use process of people, and for the purpose, the multistage centrifugal pump with balanced axial force is provided.

Disclosure of Invention

The utility model mainly aims to provide a multistage centrifugal pump with balanced axial force, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a balanced multistage centrifugal pump of axial force, includes the main part, the upper end surface of main part is provided with the fixed plate, the upper end surface of fixed plate is provided with the motor, the one end surface of motor is provided with the pump head, the lower extreme surface of fixed plate is provided with the mounting panel, the outer wall of pump head is provided with quick detach formula connector, the mounting panel includes bottom plate, screw thread post, stabilizes foot and bolt.

Preferably, the inside of bottom plate is provided with the screw thread post, the one end surface of screw thread post is provided with the bolt, the lower extreme surface of bolt is provided with stabilizes the foot.

Preferably, be provided with the screw thread between bottom plate and the screw thread post, the outside wall swing joint of screw thread and screw thread post is passed through to the inside of bottom plate, the one end surface of screw thread post and the upper end surface welded connection of bolt, the bolt with stabilize and be provided with the mounting groove between the foot, the lower extreme surface of bolt can be dismantled with the upper end surface of stabilizing the foot and be connected.

Preferably, the quick-release connector comprises an upper mounting head, a lower mounting head, a rotating groove, an external thread and an internal thread, the lower mounting head is arranged on the outer surface of the lower end of the upper mounting head, the external thread is arranged on the outer wall of the upper mounting head, the internal thread is arranged on the inner wall of the lower mounting head, and the rotating groove is arranged in the lower mounting head.

Preferably, the outer wall of the upper mounting head is detachably connected with the outer surface of the lower mounting head through a rotating groove, an external thread and an internal thread.

Preferably, all be provided with the mount between mounting panel and motor and the pump head, the mounting panel passes through the mount and can dismantle with the motor with the fixed plate and be connected, the mounting panel passes through the mount and can dismantle with the pump head with the fixed plate and be connected, be provided with installing port and installation head between pump head and the quick detach formula connector, the outer wall of pump head can be dismantled with the lower extreme surface of installing head and quick detach formula connector and be connected through the installing port.

Compared with the prior art, the utility model has the following beneficial effects: the mounting plate and the fixed plate are welded and fixed through the mounting plate, the bottom plate, the threaded column, the stabilizing foot and the bolt before use, the mounting direction of the threaded column is adjusted according to the actual condition of the centrifugal pump when the centrifugal pump is used, the centrifugal pump can be fixedly mounted, meanwhile, the use height of the centrifugal pump can be improved through reversely mounting the threaded column, the centrifugal pump is favorably ensured to adapt to different working environments, meanwhile, the centrifugal pump is ensured to be in a horizontal state when in work, the stability of the centrifugal pump when in work is ensured, the upper mounting head is connected with the pump head through the lower mounting head and the water delivery pipe through the arranged quick-release connector, the upper mounting head, the lower mounting head, the rotating groove, the external thread and the internal thread, the lower mounting head rotates by itself when in use, and is quickly connected with the upper mounting head by the external thread and the internal thread, the installation of the drain pipe of the centrifugal pump is facilitated to be rapidly installed, the working efficiency of the centrifugal pump is guaranteed, meanwhile, the drain pipe and the centrifugal pump are tightly connected, air leakage is avoided, the whole multistage centrifugal pump with balanced axial force is simple in structure and convenient to operate, and the using effect is better than that of a traditional mode.

Drawings

FIG. 1 is a schematic view of the overall construction of an axial force balanced multistage centrifugal pump of the present invention;

FIG. 2 is a schematic structural view of the mounting plate 5 of FIG. 1 of the multi-stage centrifugal pump of the present invention with axial force balancing;

FIG. 3 is a schematic structural diagram of a multi-stage centrifugal pump with balanced axial force according to the present invention, illustrating a quick-release connector 6 in FIG. 1;

fig. 4 is a schematic view of the internal structure of the quick-release connector 6 in fig. 3 of the multistage centrifugal pump with balanced axial force according to the present invention.

In the figure: 1. a main body; 2. a motor; 3. a pump head; 4. a fixing plate; 5. mounting a plate; 6. a quick-release connector; 501. a base plate; 502. a threaded post; 503. a stabilizing foot; 504. a bolt; 601. an upper mounting head; 602. a lower mounting head; 603. a rotating tank; 604. an external thread; 605. an internal thread.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

The first embodiment is as follows:

as shown in fig. 1, a multistage centrifugal pump with balanced axial force comprises a main body 1, wherein a fixing plate 4 is arranged on the outer surface of the upper end of the main body 1, a motor 2 is arranged on the outer surface of the upper end of the fixing plate 4, a pump head 3 is arranged on the outer surface of one end of the motor 2, a mounting plate 5 is arranged on the outer surface of the lower end of the fixing plate 4, a quick-release connector 6 is arranged on the outer wall of the pump head 3, and the mounting plate 5 comprises a bottom plate 501, a threaded column 502, a stabilizing foot 503 and a bolt 504.

Example two:

on the basis of the first embodiment, as shown in fig. 2, a threaded column 502 is arranged inside the bottom plate 501, a bolt 504 is arranged on the outer surface of one end of the threaded column 502, and a stabilizing foot 503 is arranged on the outer surface of the lower end of the bolt 504, so that the installation direction of the threaded column 502 can be adjusted according to the actual use condition of the centrifugal pump, the centrifugal pump can be fixedly installed, and meanwhile, the use height of the centrifugal pump can be improved by reversely installing the threaded column 502.

Example three:

on the basis of the first embodiment, as shown in fig. 2, a thread is arranged between the bottom plate 501 and the threaded column 502, the inside of the bottom plate 501 is movably connected with the outer wall of the threaded column 502 through the thread, the outer surface of one end of the threaded column 502 is connected with the outer surface of the upper end of the bolt 504 in a welding manner, an installation groove is arranged between the bolt 504 and the stabilizing leg 503, and the outer surface of the lower end of the bolt 504 is detachably connected with the outer surface of the upper end of the stabilizing leg 503, so that the centrifugal pump is favorably ensured to be in a horizontal state, and the stability of the centrifugal pump during operation is ensured.

Example four:

on the basis of the first and second embodiments, as shown in fig. 3 and 4, the quick-release connector 6 includes an upper mounting head 601, a lower mounting head 602, a rotating slot 603, an external thread 604 and an internal thread 605, the lower mounting head 602 is disposed on the outer surface of the lower end of the upper mounting head 601, the external thread 604 is disposed on the outer wall of the upper mounting head 601, the internal thread 605 is disposed on the inner wall of the lower mounting head 602, and the rotating slot 603 is disposed inside the lower mounting head 602, which is beneficial to quick mounting of a centrifugal pump steam trap and ensures the working efficiency thereof.

Example five:

on the basis of the first embodiment and the third embodiment, as shown in fig. 3 and 4, the outer wall of the upper mounting head 601 is detachably connected with the outer surface of the lower mounting head 602 through the rotating groove 603, the external thread 604 and the internal thread 605, which is beneficial to ensuring the connection tightness between the drain pipe and the centrifugal pump and avoiding the occurrence of air leakage.

Example six:

on the basis of the first embodiment, the second embodiment and the third embodiment, as shown in fig. 1-4, fixing frames are respectively arranged between the mounting plate 5 and the motor 2 and between the mounting plate 5 and the pump head 3, the mounting plate 5 is detachably connected with the motor 2 through the fixing frames and the fixing plates 4, the mounting plate 5 is detachably connected with the pump head 3 through the fixing frames and the fixing plates 4, a mounting port and a mounting head are arranged between the pump head 3 and the quick-release connector 6, the outer wall of the pump head 3 is detachably connected with the outer surface of the lower end of the quick-release connector 6 through the mounting port and the mounting head, so that later transportation performance of the whole equipment is guaranteed, and detachment and maintenance are avoided.

Before use, the mounting plate 5 and the fixing plate 4 are welded and fixed through the mounting plate 5, the bottom plate 501, the threaded column 502, the stabilizing leg 503 and the bolt 504, the mounting direction of the threaded column 502 is adjusted according to the actual use condition of the centrifugal pump, the centrifugal pump can be fixedly mounted, meanwhile, the threaded column 502 is reversely mounted, the use height of the centrifugal pump can be improved, the centrifugal pump can be favorably ensured to adapt to different working environments, meanwhile, the centrifugal pump is ensured to be in a horizontal state during work, the stability of the centrifugal pump during work is ensured, the upper mounting head 601 is connected with the water delivery pipe through the quick-release type connecting head 6, the upper mounting head 601, the lower mounting head 602, the rotating groove 603, the external thread 604 and the internal thread 605 which are arranged, the lower mounting head 602 is connected with the pump head 3 before use, when the installation structure is used, the lower installation head 602 rotates by itself through the rotating groove 603, and is quickly connected with the upper installation head 601 through the external thread 604 and the internal thread 605, so that the installation of the drain pipe of the centrifugal pump is realized, the working efficiency is ensured, and meanwhile, the connection tightness between the drain pipe and the centrifugal pump avoids air leakage and is practical.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A multistage centrifugal pump with balanced axial forces, comprising a main body (1), characterized in that: the upper end surface of main part (1) is provided with fixed plate (4), the upper end surface of fixed plate (4) is provided with motor (2), the one end surface of motor (2) is provided with pump head (3), the lower extreme surface of fixed plate (4) is provided with mounting panel (5), the outer wall of pump head (3) is provided with quick detach formula connector (6), mounting panel (5) include bottom plate (501), screw thread post (502), stabilize foot (503) and bolt (504).

2. An axial force balanced multistage centrifugal pump according to claim 1, characterized in that: the inner portion of the bottom plate (501) is provided with a threaded column (502), the outer surface of one end of the threaded column (502) is provided with a bolt (504), and the outer surface of the lower end of the bolt (504) is provided with a stabilizing foot (503).

3. An axial force balanced multistage centrifugal pump according to claim 1, characterized in that: be provided with the screw thread between bottom plate (501) and screw thread post (502), the outer wall swing joint of screw thread and screw thread post (502) is passed through to the inside of bottom plate (501), the one end surface of screw thread post (502) and the upper end surface welded connection of bolt (504), be provided with the mounting groove between bolt (504) and the foot of stabilizing (503), the lower extreme surface of bolt (504) can be dismantled with the upper end surface of stabilizing foot (503) and be connected.

4. An axial force balanced multistage centrifugal pump according to claim 1, characterized in that: the quick-release connector (6) comprises an upper mounting head (601), a lower mounting head (602), a rotating groove (603), an external thread (604) and an internal thread (605), wherein the lower mounting head (602) is arranged on the outer surface of the lower end of the upper mounting head (601), the external thread (604) is arranged on the outer wall of the upper mounting head (601), the internal thread (605) is arranged on the inner wall of the lower mounting head (602), and the rotating groove (603) is arranged in the lower mounting head (602).

5. An axial force balanced multistage centrifugal pump according to claim 4, characterized in that: the outer wall of the upper mounting head (601) is detachably connected with the outer surface of the lower mounting head (602) through a rotating groove (603), an external thread (604) and an internal thread (605).

6. An axial force balanced multistage centrifugal pump according to claim 1, characterized in that: all be provided with the mount between mounting panel (5) and motor (2) and pump head (3), mounting panel (5) can be dismantled with motor (2) through mount and fixed plate (4) and be connected, mounting panel (5) can be dismantled with pump head (3) through mount and fixed plate (4) and be connected, be provided with installing port and installation head between pump head (3) and quick detach formula connector (6), the outer wall of pump head (3) can be dismantled with the lower extreme surface of quick detach formula connector (6) and be connected through installing port and installation head.