CN219993978U - Middle section aligning device of barrel type horizontal multistage pump - Google Patents

Abstract

The utility model relates to a middle section aligning device of a barrel type horizontal multistage pump, which comprises a plane block, a gasket, a first nut, a tensioning block, a connecting block, six groups of connecting pieces and a V-shaped block, wherein the plane block is L-shaped, and each group of connecting pieces comprises a shaft sleeve, a second nut and a stud; two sides of the first end part of the plane block are respectively hinged with two sides of the first end part of the V-shaped block through a group of hinging pieces, two sides of the second end part of the plane block are respectively hinged with two sides of the hinging block through a group of hinging pieces, and two sides of the second end part of the V-shaped block are respectively hinged with two sides of the second end part of the tensioning block through a group of hinging pieces; the connecting block is provided with a through hole, the middle part of the tensioning block is arranged in the through hole in a penetrating mode, threads are arranged on the surface of the first end portion of the tensioning block, the gasket and the first nut are sleeved on the first end portion of the tensioning block, the first nut is in threaded fit with the first end portion of the tensioning block, and the gasket is in contact with the connecting block. The adjacent middle sections can be subjected to aligning, and the maintenance efficiency and quality of the pump are improved.

Description

Middle section aligning device of barrel type horizontal multistage pump

Technical Field

The utility model relates to the technical field, in particular to a middle section aligning device of a barrel type horizontal multistage pump.

Background

The middle sections of the barrel type horizontal multistage pumps are generally positioned through spigot cooperation, and clearance fit is generally adopted between the spigot for convenient disassembly and assembly. In the core pack assembly process, if the adjacent middle sections are not subjected to aligning operation, the different axialities between the middle sections are accumulated, so that the coaxiality of the first-stage middle section and the last-stage middle section is too poor, and the vibration value of the pump during operation can be possibly improved. Traditional stopper wedge adjustment needs to be measured and adjusted repeatedly, and work efficiency is low.

Disclosure of Invention

The utility model aims to provide a middle section aligning device of a barrel type horizontal multistage pump, which can adjust concentricity of adjacent middle sections and solve the technical problem of low working efficiency of traditional wood wedge plugging adjustment.

In order to achieve the above purpose, the embodiment of the utility model provides a middle section aligning device of a barrel type horizontal multistage pump, which comprises a plane block (1), a gasket (2), a first nut (3), a tensioning block (4), a connecting block (5), six groups of connecting pieces and a V-shaped block (9), wherein the plane block (1) is L-shaped, and each group of connecting pieces comprises a shaft sleeve (6), a second nut (7) and a stud (8);

two sides of a first end part of the plane block (1) are hinged with two sides of a first end part of the V-shaped block through a group of hinging pieces respectively, two sides of a second end part of the plane block (1) are hinged with two sides of the connecting block (5) through a group of hinging pieces respectively, and two sides of a second end part of the V-shaped block are hinged with two sides of a second end part of the tensioning block (4) through a group of hinging pieces respectively;

the connecting block (5) is provided with a through hole, the middle part of the tensioning block (4) is penetrated in the through hole, threads are arranged on the surface of the first end part of the tensioning block (4), the gasket (2) and the first nut (3) are sleeved on the first end part of the tensioning block (4), the first nut (3) is matched with the threads of the first end part of the tensioning block (4), and the gasket (2) is in contact with the connecting block (5).

The plane block (1) and the V-shaped block (9) are used for clamping two adjacent middle sections to perform centering of the two adjacent middle sections.

The embodiment of the utility model can center the adjacent middle sections, and is beneficial to improving the maintenance efficiency and quality of the pump.

Optionally, through holes are respectively formed in two sides of the first end part and two sides of the second end part of the plane block (1), through holes are respectively formed in two sides of the first end part and two sides of the second end part of the V-shaped block (9), through holes are respectively formed in two sides of the connecting block (5), and through holes are respectively formed in two sides of the second end part of the tensioning block (4);

one shaft sleeve (6) is arranged in two corresponding through holes in a penetrating mode, one stud (8) is arranged in one shaft sleeve (6) in a penetrating mode, the stud (8) is sleeved with a second nut (7) to limit, and threads of the stud (8) and the second nut (7) are matched.

Optionally, a height difference exists between the plane of the plane block matched with the two middle sections.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a middle section aligning device of a barrel type horizontal multistage pump in an embodiment of the utility model.

Fig. 2 is a side view of a middle section aligning device of a barrel type horizontal multistage pump in an embodiment of the utility model.

The marks in the figure: 1-plane block, 2-gasket, 3-first nut, 4-tensioning block, 5-connecting block, 6-axle sleeve, 7-nut, 8-stud, 9-V-shaped piece.

Detailed Description

Various exemplary embodiments, features and aspects of the utility model will be described in detail below with reference to the drawings. In addition, numerous specific details are set forth in the following examples in order to provide a better illustration of the utility model. It will be understood by those skilled in the art that the present utility model may be practiced without some of these specific details. In some instances, well known means have not been described in detail in order to not obscure the present utility model.

Referring to fig. 1, an embodiment of the utility model provides a middle section aligning device of a barrel type horizontal multistage pump, which comprises a plane block 1, a gasket 2, a first nut 3, a tensioning block 4, a connecting block 5, six groups of connecting pieces and a V-shaped block 9, wherein the plane block 1 is L-shaped, and each group of connecting pieces comprises a shaft sleeve 6, a second nut 7 and a stud 8.

The two sides of the first end part of the plane block 1 are hinged with the two sides of the first end part of the V-shaped block through a group of hinging pieces respectively, the two sides of the second end part of the plane block 1 are hinged with the two sides of the connecting block 5 through a group of hinging pieces respectively, and the two sides of the second end part of the V-shaped block are hinged with the two sides of the second end part of the tensioning block 4 through a group of hinging pieces respectively.

The connecting block 5 is provided with a through hole, the middle part of the tensioning block 4 is penetrated and arranged in the through hole, threads are arranged on the surface of the first end part of the tensioning block 4, the gasket 2 and the first nut 3 are sleeved on the first end part of the tensioning block 4, the first nut 3 is in threaded fit with the first end part of the tensioning block 4, and the gasket 2 is in contact with the connecting block 5.

The two sides of the first end part and the two sides of the second end part of the plane block 1 are respectively provided with through holes, namely 4 through holes are formed in the plane block 1, two sides of the first end part and two sides of the second end part of the V-shaped block 9 are respectively provided with through holes, 4 through holes are formed in the V-shaped block 9, two sides of the connecting block 5 are respectively provided with through holes, 2 through holes are formed in the connecting block 5, two sides of the second end part of the tensioning block 4 are respectively provided with through holes, and the tensioning block 4 is provided with 2 through holes for a total of 12 through holes; the 12 through holes correspond to six groups of connecting pieces respectively, namely 2 through holes corresponding to two parts to be connected by one group of connecting pieces, and the mode of connecting the two parts by one group of connecting pieces is as follows: one shaft sleeve 6 is arranged in two corresponding through holes in a penetrating way, one stud 8 is arranged in one shaft sleeve 6 in a penetrating way, the stud 8 is sleeved with a second nut 7 for limiting, and the stud 8 is in threaded fit with the second nut 7.

The plane block is matched with the two middle sections, and the height difference exists at the plane.

Specifically, when the embodiment is used, two adjacent middle sections are placed on the V-shaped block 9 and the plane block 1, the plane block 1 is simultaneously contacted with the upper surfaces of the two adjacent middle sections, the V-shaped block 9 is simultaneously contacted with the lower surfaces of the two adjacent middle sections, the tensioning block 4 can relatively rotate with the V-shaped block 9 and the plane block 1, the tensioning block 4 can move upwards relative to the plane block 1 through rotating the first nut 3, namely, the plane block 1 moves downwards, the gap between the plane block 1 and the V-shaped block 9 is reduced, the V-shaped block 9 and the plane block 1 clamp the two adjacent middle sections, the tensioning block 4 realizes the tensioning function, the two adjacent middle sections can be aligned through clamping the two adjacent middle sections by using the V-shaped block 9 and the plane block 1, the coaxiality of the two adjacent middle sections and guide vanes is ensured, and the maintenance efficiency and quality of the pump are improved; the coaxiality of the two adjacent middle sections and the guide vane is guaranteed, so that vibration of the pump during operation is reduced.

The plane block 1 has a height difference between the plane of the area contacted with the upper surfaces of the two adjacent middle sections, the height difference is 0.02mm, after the two adjacent middle sections are clamped, the latter middle section can be allowed to jog due to the existence of the height difference, and the axial fixation is carried out so as to ensure the relative position with the former middle section.

During installation, the threaded holes on the outer circle of the previous middle section are utilized to axially fix the previous middle section, then the next middle section is leaned against the previous middle section, the V-shaped block 9 is arranged below the two middle sections, the plane block 1 is arranged above the middle section, the V-shaped block 9, the plane block 1, the tensioning block 4 and the connecting block 5 are assembled together through the shaft sleeve 6, the stud 8 and the nut 7, the connecting block 5 is threaded out of the upper thread of the tensioning block 4, the nut 3 is screwed onto the tensioning block 4, the thick gasket 2 is pressed, the nut 3 is screwed, the next middle section is axially fixed through the screw rod (the hole is formed in the middle section, the screw rod is penetrated into the hole and fastened through the nut), then the fixing device on the outer circle of the previous middle section is transferred onto the next middle section, and the axial fixation on the screw rod is removed, so that the aligning is completed.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (3)

1. The middle section aligning device of the barrel type horizontal multistage pump is characterized by comprising a plane block (1), a gasket (2), a first nut (3), a tensioning block (4), a connecting block (5), six groups of connecting pieces and V-shaped blocks (9), wherein the plane block (1) is L-shaped, and each group of connecting pieces comprises a shaft sleeve (6), a second nut (7) and a stud (8);

two sides of a first end part of the plane block (1) are hinged with two sides of a first end part of the V-shaped block through a group of hinging pieces respectively, two sides of a second end part of the plane block (1) are hinged with two sides of the connecting block (5) through a group of hinging pieces respectively, and two sides of a second end part of the V-shaped block are hinged with two sides of a second end part of the tensioning block (4) through a group of hinging pieces respectively;

the connecting block (5) is provided with a through hole, the middle part of the tensioning block (4) is arranged in the through hole in a penetrating way, threads are arranged on the surface of the first end part of the tensioning block (4), the gasket (2) and the first nut (3) are sleeved on the first end part of the tensioning block (4), the first nut (3) is in threaded fit with the first end part of the tensioning block (4), and the gasket (2) is in contact with the connecting block (5);

the plane block (1) and the V-shaped block (9) are used for clamping two adjacent middle sections to perform centering of the two adjacent middle sections.

2. The middle section aligning device of the barrel type horizontal multistage pump according to claim 1, wherein through holes are respectively formed in two sides of a first end part and two sides of a second end part of the plane block (1), through holes are respectively formed in two sides of the first end part and two sides of the second end part of the V-shaped block (9), through holes are respectively formed in two sides of the connecting block (5), and through holes are respectively formed in two sides of the second end part of the tensioning block (4);

one shaft sleeve (6) is arranged in two corresponding through holes in a penetrating mode, one stud (8) is arranged in one shaft sleeve (6) in a penetrating mode, the stud (8) is sleeved with a second nut (7) to limit, and threads of the stud (8) and the second nut (7) are matched.

3. The barrel type horizontal multistage pump middle section aligning device according to claim 2, wherein a height difference exists at a plane where the plane block is matched with the two middle sections.