CN214837376U

CN214837376U - Guide vane mechanism of large-scale shaft tubular pump

Info

Publication number: CN214837376U
Application number: CN202120968273.0U
Authority: CN
Inventors: 杨圣华; 季耿
Original assignee: Jiangsu Haicheng Hydraulic Machinery Co ltd
Current assignee: Jiangsu Haicheng Hydraulic Machinery Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-23
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a large-scale shaft tubular pump stator mechanism, including the tubular pump body, the central point department in the interior of tubular pump body installs the drive shaft, and the outside cover of drive shaft is equipped with the installed part, evenly installs guide vane in the outside of installed part, and the installed part outside of guide vane both sides all installs the mounting, and guide vane's front and back all installs the guard plate, and the guide vane front and the back of guard plate top and bottom all install the diaphragm, and the diaphragm is close to the one end of guard plate and installs the clearance limiting mechanism, the utility model discloses a guard plate protects guide vane, and when water pressure is great, the guard plate moves to the spring direction through the cooperation between stopper and spacing groove, utilizes the elastic action of spring to cushion pressure, prevents that pressure is too big to guide vane damage, and the reinforcement has been strengthened to it effectively to the first strengthening rib and the second strengthening rib that guide vane set up simultaneously, the service life of the guide vane is prolonged.

Description

Guide vane mechanism of large-scale shaft tubular pump

Technical Field

The utility model relates to a tubular pump technical field specifically is a large-scale shaft tubular pump stator mechanism.

Background

The large-scale shaft tubular pump is mainly applied to large-scale water conservancy projects, such as large-scale projects of flood control and drainage, water transfer projects, and the like, and the tubular pump is integrated by a motor, a speed reducer and a water pump set and is arranged in a machine pit in an underwater dam, a water inlet and outlet flow channel of the tubular pump is positioned on a straight line and is approximately in a straight cylinder shape, the hydraulic loss is less, the water lifting efficiency is high, a guide vane body of the shaft tubular pump is the most important bearing part, the rigidity and the stability of the guide vane body are important for the stable operation of the whole pump unit, but the existing guide vane mechanism still has certain problems, and the specific problems are as follows:

traditional stator mechanism is comparatively simple, and current stator mechanism barrier propterty is poor, and life is short, the phenomenon of damage appears easily, and the installation is dismantled fast with the tubular pump body to current inconvenient simultaneously to cause the extravagant staff time when changing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale shaft tubular pump stator mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-scale shaft tubular pump stator mechanism, includes the tubular pump body, the inside central point department of putting of tubular pump body installs the drive shaft, and the outside cover of drive shaft is equipped with the installed part, guide vane is evenly installed in the outside of installed part, and the installed part outside of guide vane both sides all installs the mounting, the guard plate is all installed at guide vane's front and the back, and the guide vane of guard plate top and bottom openly all installs the diaphragm with the back, the diaphragm is close to the one end of guard plate and installs the restricted movement mechanism, carbon steel explosion-proof layer is installed to the inside one side of guide vane, and the inside polytetrafluoroethylene anticorrosive coating that is provided with of guide vane on one side of carbon steel explosion-proof layer.

Preferably, the guide vanes are provided with four groups, and the included angle between each group of guide vanes is 90 degrees.

Based on above-mentioned technical characteristics, the guide vane of being convenient for carries the water source.

Preferably, the fixing member is provided with four groups, and each group of fixing members is provided with two, and each group of fixing members is symmetrically arranged with respect to the guide vane.

Based on above-mentioned technical characteristics, be convenient for match the setting to mounting and guide vane.

Preferably, the guide vane both sides are close to the one end of mounting and all install the installation piece, and the top of installation piece is provided with the screw, the top of mounting is provided with the tightening bolt that matches each other with the screw.

Based on the technical characteristics, the guide vane is convenient to disassemble and assemble through the matching between the tightening bolt and the screw hole.

Preferably, the limiting mechanism comprises a limiting block and a limiting groove, the limiting groove is located at one end, close to the protection plate, of the transverse plate, the limiting block matched with the limiting groove is installed on the outer side of the limiting groove, and one side, close to the protection plate, of the limiting block is fixedly connected with the protection plate.

Based on the technical characteristics, the protection plate can move stably through the matching between the limiting groove and the limiting block.

Preferably, springs are uniformly arranged between the guide vanes and the protection plate.

Based on the technical characteristics, the pressure is convenient to buffer through the spring.

Preferably, the second strengthening rib is evenly installed to the inside on carbon steel explosion-proof layer, and the carbon steel explosion-proof layer inside of second strengthening rib both sides all inclines to install first strengthening rib.

Based on the technical characteristics, the internal structure of the guide vane is more stable, the strength of the guide vane is improved, and the service life of the guide vane is prolonged.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the guide vane is protected through the protection plate, when the water pressure is high, the protection plate moves towards the spring direction through the matching between the limiting block and the limiting groove, the pressure is buffered through the elastic action of the spring, the guide vane is prevented from being damaged due to overlarge pressure, meanwhile, the first reinforcing rib and the second reinforcing rib which are arranged in the guide vane effectively reinforce the guide vane, and the service life of the guide vane is prolonged;

(2) through dismantling the crimple bolt to thereby will install the piece and separate with the mounting and dismantle the stator blade can, install the stator blade through the cooperation between crimple bolt and the screw afterwards, save staff and dismantle installation time, labour saving and time saving.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic side view of the guide vane of the present invention;

fig. 4 is a schematic view of the internal structure of the guide vane of the present invention.

In the figure: 1. a tubular pump body; 2. a guide vane; 3. a drive shaft; 4. a mounting member; 5. locking the bolt; 6. a screw hole; 7. mounting blocks; 8. a fixing member; 9. a travel limiting mechanism; 901. a limiting block; 902. a limiting groove; 10. a protection plate; 11. a spring; 12. a transverse plate; 13. a polytetrafluoroethylene anticorrosive layer; 14. a first reinforcing rib; 15. a second reinforcing rib; 16. and a carbon steel explosion-proof layer.

The specific implementation mode is as follows:

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.

Referring to fig. 1-4, the present invention provides an embodiment: a guide vane mechanism of a large-scale shaft tubular pump comprises a tubular pump body 1, a driving shaft 3 is installed in the central position inside the tubular pump body 1, installation parts 4 are sleeved outside the driving shaft 3, guide vanes 2 are evenly installed outside the installation parts 4, four groups of guide vanes 2 are arranged, the included angle between each group of guide vanes 2 is 90 degrees, fixing parts 8 are installed outside the installation parts 4 on the two sides of each guide vane 2, four groups of fixing parts 8 are arranged, two fixing parts 8 are arranged on each group of fixing parts 8, each group of fixing parts 8 are symmetrically arranged relative to each other about the guide vanes 2, installation blocks 7 are installed at one ends, close to the fixing parts 8, of the two sides of each guide vane 2, screw holes 6 are formed above the installation blocks 7, tightening bolts 5 matched with the screw holes 6 are arranged above the fixing parts 8, protection plates 10 are installed on the front and back surfaces of the guide vanes 2, and transverse plates 12 are installed on the front and back surfaces of the guide vanes 2 at the top and bottom ends of the protection plates 10, the one end that diaphragm 12 is close to protection plate 10 installs restriction mechanism 9, restriction mechanism 9 includes stopper 901 and spacing groove 902, spacing groove 902 is located the one end that diaphragm 12 is close to protection plate 10, and the stopper 901 rather than mutually matchd is installed in the outside of spacing groove 902, one side that stopper 901 is close to protection plate 10 and protection plate 10 fixed connection, evenly install spring 11 between stator 2 and the protection plate 10, carbon steel explosion-proof layer 16 is installed to the inside one side of stator 2, second strengthening rib 15 is evenly installed to the inside of carbon steel explosion-proof layer 16, and first strengthening rib 14 is installed all to the inside slope of carbon steel explosion-proof layer 16 of second strengthening rib 15 both sides, and the inside polytetrafluoroethylene anticorrosive coating 13 that is provided with of stator 2 of carbon steel explosion-proof layer 16 one side.

The working principle is as follows: during the use, guide vane 2 is protected through guard plate 10, when water pressure is great, guard plate 10 moves to spring 11 direction through the cooperation between stopper 901 and the spacing groove 902, utilize spring 11's elastic action to cushion pressure, prevent that pressure is too big to cause the damage to guide vane 2, the inside first strengthening rib 14 and the inside second strengthening rib 15 that sets up of guide vane 2 have effectually strengthened the reinforcement to it simultaneously, guide vane 2's life has been prolonged, and when the staff need change guide vane 2, the staff can dismantle constricting bolt 5, thereby it can to dismantle guide vane 2 with installation piece 7 and mounting 8 separation, install guide vane 2 through the cooperation between constricting bolt 5 and the screw 6 afterwards, save staff and dismantle installation time, time and labor saving.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a large-scale shaft tubular pump stator mechanism, includes tubular pump body (1), its characterized in that: drive shaft (3) are installed to inside central point department of tubular pump body (1), and the outside cover of drive shaft (3) is equipped with installed part (4), guide vane (2) are evenly installed in the outside of installed part (4), and all install mounting (8) in installed part (4) the outside of guide vane (2) both sides, guard plate (10) are all installed with the back in the front of guide vane (2), and just guide vane (2) of guard plate (10) top and bottom openly all install diaphragm (12) with the back, diaphragm (12) are close to the one end of guard plate (10) and install limit line mechanism (9), carbon steel explosion-proof layer (16) are installed to inside one side of guide vane (2), and carbon steel explosion-proof layer (16) one side guide vane (2) inside is provided with polytetrafluoroethylene anticorrosive coating (13).

2. The jumbo shaft tubular pump vane mechanism of claim 1, wherein: the guide vanes (2) are provided with four groups, and the included angle between each group of guide vanes (2) is 90 degrees.

3. The jumbo shaft tubular pump vane mechanism of claim 1, wherein: the fixing pieces (8) are provided with four groups, each group of fixing pieces (8) is provided with two, and each group of fixing pieces (8) are symmetrically arranged relative to the guide vane (2).

4. The jumbo shaft tubular pump vane mechanism of claim 1, wherein: the guide vane is characterized in that mounting blocks (7) are mounted at one ends, close to the fixing pieces (8), of two sides of the guide vane (2), screw holes (6) are formed in the upper portions of the mounting blocks (7), and tightening bolts (5) matched with the screw holes (6) are arranged on the upper portions of the fixing pieces (8).

5. The jumbo shaft tubular pump vane mechanism of claim 1, wherein: the limiting mechanism (9) comprises a limiting block (901) and a limiting groove (902), the limiting groove (902) is located at one end, close to the protection plate (10), of the transverse plate (12), the limiting block (901) matched with the limiting groove (902) is installed on the outer side of the limiting groove (902), and one side, close to the protection plate (10), of the limiting block (901) is fixedly connected with the protection plate (10).

6. The jumbo shaft tubular pump vane mechanism of claim 4, wherein: and springs (11) are uniformly arranged between the guide vanes (2) and the protection plate (10).

7. The jumbo shaft tubular pump vane mechanism of claim 4, wherein: the second reinforcing ribs (15) are uniformly arranged inside the carbon steel explosion-proof layer (16), and the first reinforcing ribs (14) are obliquely arranged inside the carbon steel explosion-proof layer (16) on two sides of the second reinforcing ribs (15).