CN212769602U

CN212769602U - Multi-stage pump

Info

Publication number: CN212769602U
Application number: CN202021142062.3U
Authority: CN
Inventors: 李佩
Original assignee: Shanghai Langpei Electromechanical Technology Co ltd
Current assignee: Shanghai Ruibang Pump Manufacturing Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-23
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a multistage pump, the on-line screen storage device comprises a base, wherein one side fixedly connected with root bar of base upper surface, a horizontal pole of upper end of the support bar fixedly connected with, bearing of surface center fixedly connected with of horizontal pole lower surface, one side fixed mounting that the base upper surface is close to the bracing piece has a support frame, the utility model discloses the beneficial effect who reaches is: through driving motor, the bracing piece, the spout, the slide bar, the threaded rod, the thread bush, U type groove, the screw hole, the semicircle ring, the holding block, the turning block, mutually supporting use of bolt and hinge, stand upside down the vertical fixation with multistage pump through the semicircle ring in the time of can maintaining multistage pump, then overhaul, guarantee vertically precision, increase the stability of overhauing, horizontal migration and height adjustment can be carried out according to the condition simultaneously, reduce people's intensity of labour, improve maintenance efficiency, the steadiness is good when overhauing, convenient removal simultaneously.

Description

Multi-stage pump

Technical Field

The utility model relates to a water pump, in particular to multistage pump belongs to centrifugal pump technical field.

Background

The multi-stage pump is one kind of centrifugal pump, and is used in mine, factory and city water supply and drainage to convey clear water containing no solid particle or liquid with physical and chemical properties similar to that of clear water.

However, when the multi-stage pump is maintained, if the vertical multi-stage pump is disassembled and assembled by adopting a conventional method, the multi-stage pump is low in fixing stability and vertical precision, the precision cannot meet the requirement, the diffuser is easy to damage, the pump shaft is bent, the pump is vibrated in operation and is abraded in badness, the pump cannot be normally operated, and meanwhile, the pump needs to be manually carried and adjusted during maintenance, so that later maintenance is more expensive and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multistage pump to solve the problem of mentioning in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a multi-stage pump comprises a base, wherein one side of the upper surface of the base is fixedly connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a cross rod, the center of the lower surface of the cross rod is fixedly connected with a bearing, one side of the upper surface of the base, which is close to the supporting rod, is fixedly provided with a supporting frame, the inner side wall of the supporting frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a first threaded rod through a coupler, the upper end of the first threaded rod is rotatably connected onto the cross rod through the bearing, the wall of the first threaded rod is in threaded connection with a threaded sleeve, one side of the supporting rod, which is close to the threaded sleeve, is provided with a sliding groove, one side of the threaded sleeve, which is close to the sliding groove, is fixedly connected with a, a threaded hole is formed in the center of the side wall of the U-shaped block, which is far away from the threaded sleeve, the threaded hole is in threaded connection with a second threaded rod, one side of the second threaded rod extends to the inner side of the U-shaped block, two limit blocks are fixedly connected to the wall of the second threaded rod, which is positioned on the inner side of the U-shaped block, one side of the second threaded rod, which is far away from the two limit blocks, passes through the threaded hole and extends to the outer side of the U-shaped block, one side of the second threaded rod, which is far away from the U-shaped block, is fixedly connected with an installation frame, one side of the installation frame, which is far away from the second threaded rod, is provided with two semicircular rings which are symmetrically arranged, one side of the two semicircular rings is fixedly connected to the installation frame, the side wall at the upper ends of, the two rotating blocks are rotatably connected through hinges.

As a preferred technical scheme of the utility model, driving motor's one side fixedly connected with dead lever is kept away from to the bracing piece, one side fixed connection that the bracing piece was kept away from to the dead lever is on the base.

As a preferred technical scheme of the utility model, four auto-lock universal wheels that are the symmetry and set up of surface both sides fixedly connected with under the base.

As an optimized technical scheme of the utility model, one side fixed mounting that the bracing piece was kept away from to the base has one to push away the handle.

As a preferred technical scheme of the utility model, the handle of one side fixedly connected with that the second threaded rod is close to the thread bush.

As an optimal technical scheme of the utility model, two the equal fixedly connected with one deck blotter of semicircle ring inside wall.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a multistage pump, through driving motor, the bracing piece, the spout, the slide bar, the threaded rod, the thread bush, U type groove, the screw hole, the semicircle ring, the holding block, the turning block, bolt and hinge mutually support and use, stand upside down the vertical fixation with multistage pump through the semicircle ring when can maintaining multistage pump, then overhaul, guarantee perpendicular precision, increase the stability of overhauing, horizontal migration and height adjustment can be carried out according to the condition simultaneously, reduce people's intensity of labour, improve the maintenance efficiency, the steadiness is good when overhauing, convenient the removal simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic front view of the semicircular ring of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a chute; 4. a cross bar; 5. a bearing; 6. a support frame; 7. a drive motor; 8. a first threaded rod; 9. a threaded sleeve; 10. a slide bar; 11. a U-shaped block; 12. a threaded hole; 13. a second threaded rod; 14. a limiting block; 15. a handle; 16. a mounting frame; 17. a semicircular ring; 18. a fastening block; 19. a bolt; 20. rotating the block; 21. a hinge; 22. fixing the rod; 23. a self-locking universal wheel; 24. a pushing handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1-3, the utility model relates to a multistage pump, which comprises a base 1, one side of the upper surface of the base 1 is fixedly connected with a support rod 2, the upper end of the support rod 2 is fixedly connected with a cross rod 4, the center of the lower surface of the cross rod 4 is fixedly connected with a bearing 5, one side of the upper surface of the base 1 close to the support rod 2 is fixedly provided with a support frame 6, the inner side wall of the support frame 6 is fixedly connected with a driving motor 7, the output end of the driving motor 7 is fixedly connected with a first threaded rod 8 through a coupler, the upper end of the first threaded rod 8 is rotatably connected on the cross rod 4 through the bearing 5, the rod wall of the first threaded rod 8 is in threaded connection with a thread sleeve 9, one side of the support rod 2 close to the thread sleeve 9 is provided with a chute 3, one side of the thread sleeve 9 close, one side of the threaded sleeve 9, which is far away from the sliding rod 10, is fixedly connected with a U-shaped block 11, the center of the side wall of the U-shaped block 11, which is far away from the threaded sleeve 9, is provided with a threaded hole 12 in a penetrating way, the threaded hole 12 is in threaded connection with a second threaded rod 13, one side of the second threaded rod 13 extends to the inner side of the U-shaped block 11, the rod wall of the second threaded rod 13, which is positioned at the inner side of the U-shaped block 11, is fixedly connected with two limit blocks 14, one side of the second threaded rod 13, which is far away from the two limit blocks 14, penetrates through the threaded hole 12 and extends to the outer side of the U-shaped block 11, one side of the second threaded rod 13, which is far away from the U-shaped block 11, is fixedly connected with an installation frame 16, one side of the installation frame 16, which is far away from the second threaded rod 13, the other sides of the two semicircular rings 17 are fixedly connected with a rotating block 20, and the two rotating blocks 20 are rotatably connected through hinges 21.

One side fixedly connected with dead lever 22 that driving motor 7 was kept away from to bracing piece 2, one side fixed connection that bracing piece 2 was kept away from to dead lever 22 is on base 1, is favorable to increasing the steadiness of bracing piece 2 through dead lever 22.

Two sides of the lower surface of the base 1 are fixedly connected with four self-locking universal wheels 23 which are symmetrically arranged, so that the four self-locking universal wheels 23 are convenient to move.

One side of the base 1 far away from the support rod 2 is fixedly provided with a push handle 24, which is beneficial to conveniently pushing four self-locking universal wheels 23 through the push handle 24.

One side of the second threaded rod 13 close to the threaded sleeve 9 is fixedly connected with a handle 15, so that the second threaded rod 13 can be conveniently rotated through the handle 15.

The equal fixedly connected with one deck blotter of two semicircle ring 17 inside walls is favorable to protecting the multistage pump through two blotters, prevents to damage.

Specifically, the four self-locking universal wheels 23 are pushed by a push handle 24 to drive the maintenance device to move to a maintenance position, then the four self-locking universal wheels 23 are locked, the multistage pump is placed on the upper surface of the base 1 far away from one side of the driving motor 7, at the moment, a handle 15 rotates a second threaded rod 13, the second threaded rod 13 drives the mounting frame 16 and the two semicircular rings 17 to horizontally move towards the multistage pump through the threaded holes 12, when the two semicircular rings 17 are positioned right above the multistage pump, the rotation of the second threaded rod 13 is stopped, the driving motor 7 is started through two semicircular rings, the driving motor 7 drives a first threaded rod 8 to rotate through a bearing 5, the first threaded rod 8 drives a threaded sleeve 9 to rotate, the threaded sleeve 9 stably descends through the matching of the sliding groove 3 and the sliding rod 10, at the moment, the threaded sleeve 9 synchronously drives the U-shaped block 11 to descend, when the two semicircular rings 17 abut against the upper end of the multistage, pause the driving motor 7, unscrew the bolt 19 from the two fastening blocks 18 at this moment, then open one of the semicircular rings 17 through two rotating blocks 20 and the hinge 21, continue to start the driving motor 7, close the driving motor 7 when two semicircular rings 17 are located in the middle of the multistage pump, then fasten two semicircular rings 17 on the multistage pump through the bolt 19 and two fastening blocks 18, dismantle the multistage pump shell this moment, then start the driving motor 7 and rise the shell vertically, overhaul the multistage pump, when overhauing and finishing, start the driving motor 7 again and descend the multistage pump shell vertically, guarantee the precision of installation, the operation is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The multistage pump is characterized by comprising a base (1), wherein one side of the upper surface of the base (1) is fixedly connected with a supporting rod (2), the upper end of the supporting rod (2) is fixedly connected with a cross rod (4), the center of the lower surface of the cross rod (4) is fixedly connected with a bearing (5), one side of the upper surface of the base (1) close to the supporting rod (2) is fixedly provided with a supporting frame (6), the inner side wall of the supporting frame (6) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is fixedly connected with a first threaded rod (8) through a coupler, the upper end of the first threaded rod (8) is rotatably connected onto the cross rod (4) through the bearing (5), the rod wall of the first threaded rod (8) is in threaded connection with a threaded sleeve (9), one side of the supporting rod (2) close to the threaded sleeve (9) is, one side, close to the sliding chute (3), of the threaded sleeve (9) is fixedly connected with a sliding rod (10), one side, far away from the threaded sleeve (9), of the sliding rod (10) is connected in the sliding chute (3) in a sliding mode, one side, far away from the sliding rod (10), of the threaded sleeve (9) is fixedly connected with a U-shaped block (11), a threaded hole (12) is formed in the center of the side wall of one side, far away from the threaded sleeve (9), of the U-shaped block (11) in a penetrating mode, the threaded hole (12) is in threaded connection with a second threaded rod (13), one side of the second threaded rod (13) extends to the inner side of the U-shaped block (11), two limiting blocks (14) are fixedly connected to the rod wall of the second threaded rod (13) located on the inner side of the U-shaped block (11), one side, far away from the two limiting blocks (14), of the second threaded, second threaded rod (13) keep away from mounting bracket (16) of one side fixedly connected with of U type piece (11), second threaded rod (13) one side is kept away from in mounting bracket (16) is equipped with two and is the symmetry and sets up semicircle ring (17), and two semicircle ring (17) wherein one side fixed connection is on mounting bracket (16), two the equal fixedly connected with of semicircle ring (17) upper end lateral wall fastening block (18), two fastening block (18) common threaded connection has a bolt (19), two the equal fixedly connected with of semicircle ring (17) opposite side turning block (20), two turning block (20) rotate the connection through hinge (21).

2. Multistage pump according to claim 1, characterized in that a fixing rod (22) is fixedly connected to the side of the support rod (2) remote from the drive motor (7), and the side of the fixing rod (22) remote from the support rod (2) is fixedly connected to the base (1).

3. The multistage pump according to claim 1, characterized in that four symmetrically arranged self-locking universal wheels (23) are fixedly connected to both sides of the lower surface of the base (1).

4. Multistage pump according to claim 1, characterised in that a push handle (24) is fixedly mounted on the side of the base (1) remote from the support bar (2).

5. Multistage pump according to claim 1, characterised in that a handle (15) is fixedly connected to the side of the second threaded rod (13) close to the threaded sleeve (9).

6. Multistage pump according to claim 1, characterized in that a cushion is fixedly attached to the inner side walls of both said half-rings (17).