CN112324667A

CN112324667A - Vertical submerged centrifugal pump

Info

Publication number: CN112324667A
Application number: CN202011191775.3A
Authority: CN
Inventors: 梁涛; 张波; 王飞
Original assignee: Individual
Current assignee: Yatai Pump Valve Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-05
Anticipated expiration: 2040-10-30
Also published as: CN112324667B

Abstract

The invention relates to the technical field of centrifugal pumps, in particular to a vertical submerged centrifugal pump which comprises a centrifugal pump body, a water outlet, an adjusting structure, a water guide hose, a connecting flange, a first supporting rod, a first rotating shaft, a second supporting rod and a supporting structure. The invention has the beneficial effects that: through installing the water guide hose between flange and the centrifugal pump body, make the flange that is used for joint drain pipe can carry out the regulation of arbitrary angle, when the mounted position liquid level of centrifugal pump is lower, thereby flange can change the angle and reduce the height of connection of drain pipe, make things convenient for operating personnel to install, be equipped with the first bracing piece and the second bracing piece of rotating the connection between flange and the centrifugal pump body simultaneously, can restrict flange's removal scope, thereby guarantee that flange only can carry out the rotation on the coplanar, reduce the damage of rotating to the water guide hose when conveniently adjusting the flange angle, avoid the water guide hose to buckle.

Description

Vertical submerged centrifugal pump

Technical Field

The invention relates to the technical field of centrifugal pumps, in particular to a vertical submerged centrifugal pump.

Background

Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell. The centrifugal pump can be widely used for conveying slurry containing solid particles in the industries of electric power, metallurgy, coal, building materials and the like. Such as hydraulic ash removal in thermal power plants, ore pulp transportation in metallurgical dressing plants, coal slurry and dense medium transportation in coal washing plants, and the like. When the centrifugal pump works, the pump needs to be placed on the land, the water suction pipe is placed in water, and the pump needs to be filled and started. The mud pump and the submerged centrifugal pump are limited by the structure, the motor needs to be placed above the water surface during working, the pump is placed in water, and therefore the motor needs to be fixed, otherwise, the motor is scrapped when falling into the water. Moreover, since the length of the long shaft is generally fixed, the pump is troublesome to install and use, and the application occasions are limited.

The conventional submerged centrifugal pump has different specification heights for different liquid level depths, and when the liquid level is shallow, the conventional submerged centrifugal pump may cause inconvenience in installing a water pipe due to overhigh pipeline when in use.

Disclosure of Invention

The present invention is directed to solving the above problems, and an object of the present invention is to provide a vertical submerged centrifugal pump, which can adjust the angle of a water outlet pipe, thereby facilitating the installation of a water outlet pipe.

The invention realizes the purpose by the following technical scheme, a vertical submerged centrifugal pump comprises a centrifugal pump body, water outlets are respectively arranged on two sides of the centrifugal pump body, adjusting structures are respectively arranged on two sides of the centrifugal pump body, each adjusting structure comprises a water guide hose, a connecting flange, a first supporting rod, a first rotating shaft and a second supporting rod, the water guide hose is arranged on the side surface of the centrifugal pump body, one end of each water guide hose is fixedly connected with the centrifugal pump body through the water outlet, the other end of each water guide hose is fixedly connected with the connecting flange, one side of the connecting flange is fixedly connected with the second supporting rod, the other end of the second supporting rod is provided with the first supporting rod, the first supporting rod and the second supporting rod are rotatably connected through the first rotating shaft, one end of the first supporting rod, which deviates from the second supporting rod, is fixedly connected to the side surface of the centrifugal pump body, and a supporting structure is arranged at the bottom side of the water guide hose.

Preferably, conflict in order to the side of flange promptly to the convenience is fixed a position flange's vertical state, adjust the structure and still include the feeler lever, the side fixedly connected with of centrifugal pump body the feeler lever, the other end of feeler lever with flange's side is inconsistent.

Preferably, for the convenience of fixing between feeler lever and the flange, guarantee the stability of the in-process pump body, it still includes fixed hook and control lever to adjust the structure, the feeler lever with the one end fixedly connected with that flange is close the fixed hook, the tip of fixed hook with the one end looks block of control lever, the control lever with flange sliding connection.

Preferably, for make the control lever can the auto-return, conveniently control the connection status between the contact lever and the flange, adjust the structure and still include the spring, the one end fixed connection of spring in the control lever, the other end fixed connection of spring in the flange.

Preferably, in order to support the side surface of the connecting flange conveniently, the supporting structure comprises a supporting plate and a second rotating shaft, the second rotating shaft is arranged on each of two sides of the centrifugal pump body, and one end of the supporting plate is rotatably connected with the centrifugal pump body through the second rotating shaft.

Preferably, in order to adjust the angle of the supporting plate conveniently and use different use conditions, the supporting structure further comprises a sliding groove, a threaded sleeve and an adjusting rod, the sliding groove is formed in the middle of the supporting plate, two sides of the threaded sleeve are slidably connected with the supporting plate through the sliding groove, the adjusting rod is connected in the threaded sleeve in a threaded mode, and the end portion of the adjusting rod is rotatably connected with the centrifugal pump body.

The invention has the beneficial effects that: through with the water guide hose of installation between flange and the centrifugal pump body, make the flange that is used for connecting drain pipe can carry out the regulation of arbitrary angle, when the mounted position liquid level of centrifugal pump is lower, thereby flange can change the angle and reduce the height of connection of drain pipe, make things convenient for operating personnel to install, be equipped with first bracing piece and second bracing piece between flange and the centrifugal pump body simultaneously, rotate through first pivot between first bracing piece and the second bracing piece and connect, the removal scope of flange can be restricted in the setting of first bracing piece and second bracing piece, thereby guarantee that flange only can carry out the rotation on the coplanar, reduce the damage of rotating to the water guide hose when conveniently adjusting the flange angle, avoid the condition of buckling to appear in the water guide hose.

Drawings

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

FIG. 2 is a schematic view of the attachment structure of the centrifugal pump body and the adjustment structure shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 2.

In the figure: 1. centrifugal pump body, 2, delivery port, 3, regulation structure, 31, water guide hose, 32, flange, 33, first bracing piece, 34, first pivot, 35, second bracing piece, 36, touch pole, 37, fixed hook, 38, control lever, 39, spring, 4, bearing structure, 41, backup pad, 42, spout, 43, thread bush, 44, adjust the pole, 45, second pivot.

Detailed Description

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.

Referring to fig. 1-3, a vertical submerged centrifugal pump includes a centrifugal pump body 1, water outlets 2 are respectively formed on two sides of the centrifugal pump body 1, adjusting structures 3 are respectively arranged on two sides of the centrifugal pump body 1, each adjusting structure 3 includes a water guiding hose 31, a connecting flange 32, a first supporting rod 33, a first rotating shaft 34 and a second supporting rod 35, the water guiding hose 31 is arranged on a side surface of the centrifugal pump body 1, one end of the water guiding hose 31 is fixedly connected to the centrifugal pump body 1 through the water outlets 2, the other end of the water guiding hose 31 is fixedly connected to the connecting flange 32, one side of the connecting flange 32 is fixedly connected to the second supporting rod 35, the other end of the second supporting rod 35 is provided with the first supporting rod 33, the first supporting rod 33 is rotatably connected to the second supporting rod 35 through the first rotating shaft 34, one end of the first support rod 33 departing from the second support rod 35 is fixedly connected to the side surface of the centrifugal pump body 1, and a support structure 4 is arranged at the bottom side of the water guide hose 31.

As a technical optimization scheme of the present invention, the adjusting structure 3 further includes a contact rod 36, the contact rod 36 is connected to a side surface of the centrifugal pump body 1, and the other end of the contact rod 36 is in contact with a side surface of the connecting flange 32.

As a technical optimization scheme of the present invention, the adjusting structure 3 further includes a fixing hook 37 and a control rod 38, the fixing hook 37 is fixedly connected to one end of the abutting rod 36 close to the connecting flange 32, an end of the fixing hook 37 is engaged with one end of the control rod 38, and the control rod 38 is slidably connected to the connecting flange 32.

As a technical optimization scheme of the present invention, the adjusting structure 3 further includes a spring 39, one end of the spring 39 is fixedly connected to the control rod 38, and the other end of the spring 39 is fixedly connected to the connecting flange 32.

As a technical optimization scheme of the present invention, the supporting structure 4 includes a supporting plate 41 and a second rotating shaft 45, the second rotating shaft 45 is respectively disposed on two sides of the centrifugal pump body 1, and one end of the supporting plate 41 is rotatably connected to the centrifugal pump body 1 through the second rotating shaft 45.

As a technical optimization scheme of the present invention, the supporting structure 4 further includes a sliding groove 42, a threaded sleeve 43 and an adjusting rod 44, the sliding groove 42 is formed in the middle of the supporting plate 41, two sides of the threaded sleeve 43 are slidably connected with the supporting plate 41 through the sliding groove 42, the adjusting rod 44 is connected to the threaded sleeve 43 through an internal thread, and an end of the adjusting rod 44 is rotatably connected with the centrifugal pump body 1.

When the centrifugal pump is used, firstly, an operator needs to adjust the angle of the connecting flange 32 according to the depth of a liquid level, if the liquid level is deep and exceeds the height of the centrifugal pump body 1, at the moment, the connecting flange 32 needs to be rotated to enable the side surface of the connecting flange 32 to be abutted against the abutting rod 36, at the moment, the fixing hook 37 arranged at the end part of the abutting rod 36 can be clamped with the end part of the control rod 38, so that the connecting flange 32 and the abutting rod 36 are fixed, at the moment, the connecting flange 32 is in a vertical state, a water guide pipe is fixed with the port of the connecting flange 32, then, the centrifugal pump body 1 is placed below the liquid level to work, if the liquid level is shallow, the connecting flange 32 is in a vertical state and is inconvenient to connect the water guide pipe, at the moment, the operator can press the control rod 38 to release the clamping between the abutting rod 36 and the connecting flange 32, at the moment, the effect is achieved through the support of the, when guaranteeing that flange 32 takes place the pivoted, can guarantee that flange 32 can move on the coplanar, reduce the damage of rotating to water guide hose 31, and avoid taking place the condition of buckling at water delivery in-process water guide hose 31, change the back with flange 32's orientation angle, can carry out the installation between aqueduct and flange 32 more conveniently, guarantee the unobstructed degree of aqueduct in the water delivery in-process simultaneously, the backup pad 41 that is located water guide hose 31 bottom side can support when being in the horizontality to flange 32, guarantee the stability of water delivery in-process structure, adjust the angle that regulation pole 44 can also change backup pad 41 simultaneously, and promote backup pad 41's stability.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a vertical submerged centrifugal pump, includes centrifugal pump body (1), its characterized in that: the water outlet (2) is respectively arranged on two sides of the centrifugal pump body (1), the adjusting structure (3) comprises a water guide hose (31), a connecting flange (32), a first supporting rod (33), a first rotating shaft (34) and a second supporting rod (35), the water guide hose (31) is arranged on the side surface of the centrifugal pump body (1), one end of the water guide hose (31) is fixedly connected with the centrifugal pump body (1) through the water outlet (2), the other end of the water guide hose (31) is fixedly connected with the connecting flange (32), one side of the connecting flange (32) is fixedly connected with the second supporting rod (35), the other end of the second supporting rod (35) is provided with the first supporting rod (33), the first supporting rod (33) is rotatably connected with the second supporting rod (35) through the first rotating shaft (34), one end, deviating from the second support rod (35), of the first support rod (33) is fixedly connected to the side face of the centrifugal pump body (1), and a support structure (4) is arranged on the bottom side of the water guide hose (31).

2. A vertical submerged centrifugal pump according to claim 1, characterized in that: the adjusting structure (3) further comprises a contact rod (36), the side face of the centrifugal pump body (1) is fixedly connected with the contact rod (36), and the other end of the contact rod (36) is in contact with the side face of the connecting flange (32).

3. A vertical submerged centrifugal pump according to claim 2, characterized in that: adjust structure (3) and still include fixed hook (37) and control lever (38), touch-and-close pole (36) with the one end fixedly connected with that flange (32) are close fixed hook (37), the tip of fixed hook (37) with the one end looks block of control lever (38), control lever (38) with flange (32) sliding connection.

4. A vertical submerged centrifugal pump according to claim 3, characterized in that: the adjusting structure (3) further comprises a spring (39), one end of the spring (39) is fixedly connected to the control rod (38), and the other end of the spring (39) is fixedly connected to the connecting flange (32).

5. A vertical submerged centrifugal pump according to claim 1, characterized in that: the supporting structure (4) comprises a supporting plate (41) and a second rotating shaft (45), the second rotating shaft (45) is arranged on each of two sides of the centrifugal pump body (1), and one end of the supporting plate (41) is rotatably connected with the centrifugal pump body (1) through the second rotating shaft (45).

6. A vertical submerged centrifugal pump according to claim 5, characterized in that: the supporting structure (4) further comprises a sliding groove (42), a threaded sleeve (43) and an adjusting rod (44), the sliding groove (42) is formed in the middle of the supporting plate (41), the two sides of the threaded sleeve (43) are connected with the supporting plate (41) in a sliding mode through the sliding groove (42), the adjusting rod (44) is connected with the threaded sleeve (43) in an internal thread mode, and the end portion of the adjusting rod (44) is connected with the centrifugal pump body (1) in a rotating mode.