Horizontal single-stage centrifugal pump base structure

Abstract

The utility model discloses a horizontal single-stage centrifugal pump base structure, which relates to the field of centrifugal pump installation, and comprises a cement base and a centrifugal pump body which is arranged above the cement base and is fixedly provided with a base at the bottom, and further comprises a limiting mechanism which is arranged at the joint of the cement base and the base and is used for providing limiting for the connection of the cement base and the base; the limiting mechanism comprises a first limiting unit and a second limiting unit. Through the arrangement of the limiting mechanism, when the centrifugal pump body needs to be installed, after the hole groove in the base is in butt joint with the anchor bolt, the connecting sleeve is connected with the anchor bolt in a sleeved mode, and therefore the base and the cement base are connected and fixed. And then a second limiting block on the movable column is pushed into an inner cavity of a butt joint groove in the bottom of the anchor bolt, rotation of the connecting sleeve is limited through the second limiting block and a first limiting block, the connecting sleeve is prevented from loosening under external vibration, and the connecting force between the base and the cement base is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump installation field, concretely is a horizontal single -stage centrifugal pump base structure. BACKGROUND

[0002] Centrifugal pump is the water that utilizes impeller rotation and makes the water centripetal motion to work, the water pump must make the pump shell and the water suction pipe fill up the water before starting, then starts the motor, makes the pump shaft drive impeller and water do high -speed rotation motion, water centripetal motion is thrown to the outer edge of impeller, and the flow channel of the worm -shaped pump shell is flowed into the water pump's water pressure pipe line, such as: KSW horizontal single -stage centrifugal pump.

[0003] In the prior art, the base of the horizontal centrifugal pump is usually installed on the cement base which is poured and completed, the ground corner bolt which is fixed in the cement base during pouring is butt jointed with the base, and then fixed by bolts. However, the centrifugal pump will vibrate during working, and long time working will cause the bolts to loosen, thus producing noise. In order to make the centrifugal pump run smoothly and avoid the bolts loosening, the utility model provides a horizontal single -stage centrifugal pump base structure. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a horizontal single -stage centrifugal pump base structure.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a horizontal single -stage centrifugal pump base structure, which comprises a cement base and a centrifugal pump body fixed with a base at the bottom of the cement base, and further comprises a limiting mechanism arranged at the connection between the cement base and the base to provide limiting for the connection of the cement base and the base.

[0006] The limiting mechanism comprises a first limiting unit and a second limiting unit.

[0007] The first limiting unit is used to provide connection limiting for the connection of the cement base and the base.

[0008] The second limiting unit is used to limit the movement of the first limiting unit.

[0009] As a further scheme of the utility model, the first limiting unit comprises a ground corner bolt, a rubber pad and a connecting sleeve.

[0010] The ground corner bolt is integrally poured and fixed inside the cement base and extends to the top end outside of the cement base, and the outer wall of the ground corner bolt is sleeved with a rubber pad arranged between the cement base and the base to provide shock absorption for the working of the centrifugal pump body.

[0011] The outer wall of the ground corner bolt is connected with a connecting sleeve in contact with the top end of the base through threads, and the connecting sleeve is used for limiting the connection of the cement base and the base.

[0012] As a further scheme of the utility model: the second limiting unit includes a movable column, a first limiting block, a second limiting block, a supporting groove, a limiting groove, an annular groove and a butt joint groove.

[0013] The movable column is vertically slidably installed in the interior of the connecting sleeve and penetrates to the top end exterior of the connecting sleeve, and the first limiting block and the second limiting block for limiting are fixed to the middle position and the bottom position of the circumferential outer wall of the movable column, wherein the first limiting block in the initial state is aligned with the supporting groove opened at the top end of the interior of the connecting sleeve, and the interior of the connecting sleeve is provided with the annular groove for the vertical movement of the second limiting block.

[0014] The limiting groove is opened at the top end of the interior of the connecting sleeve and is symmetrically distributed with the supporting groove, the depth of the limiting groove is greater than that of the supporting groove, and the limiting groove is used for providing a vertical movement track for the movable movable column.

[0015] The butt joint groove is opened at the top end of the ground corner bolt and is located directly below the movable column, and the butt joint groove is used for providing an entering space for the movable movable column and the second limiting block after being rotated by one hundred and eighty degrees.

[0016] As a further scheme of the utility model: the interior of the butt joint groove is matched with the outer wall of the movable column and the second limiting block.

[0017] As a further scheme of the utility model: after the bottom end of the connecting sleeve is in contact with the top end of the base, the interior of the connecting sleeve is left with a space for the vertical movement of the second limiting block.

[0018] As a further scheme of the utility model: after the connecting sleeve is rotated by the maximum number of turns along the outer wall of the ground corner bolt, the top end of the limiting groove and the butt joint groove is aligned with the slot for the entering of the second limiting block.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] By setting the limiting mechanism, when the centrifugal pump body needs to be installed, the hole groove on the base is butt jointed with the ground corner bolt, the connecting sleeve is sleeved with the ground corner bolt, thereby connecting and fixing the base and the cement base, then the second limiting block on the movable column is pushed into the interior of the butt joint groove at the bottom of the ground corner bolt, the rotation of the connecting sleeve is limited by the second limiting block and the first limiting block, the connecting sleeve is prevented from loosening under external vibration, and the connecting force of the base and the cement base is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the structure schematic view of the utility model;

[0022] Fig. 2 It is the inside structure section view of the connecting sleeve of the utility model;

[0023] Fig. 3 It is the explosion state structure schematic view of the limiting mechanism of the utility model.

[0024] In the drawing: 1, cement base; 2, centrifugal pump body; 3, base; 4, limiting mechanism; 401, ground angle bolt; 402, rubber pad; 403, connecting sleeve; 404, movable column; 405, first limiting block; 406, second limiting block; 407, support groove; 408, limiting groove; 409, annular groove; 410, butt joint groove. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figs. 1-3 In the embodiments of the utility model, a horizontal single-stage centrifugal pump base structure comprises a cement base 1, a centrifugal pump body 2 fixed with a base 3 at the bottom of the cement base 1, and a limiting mechanism 4 arranged at the connecting position of the cement base 1 and the base 3 to limit the connection of the cement base 1 and the base 3.

[0027] The limiting mechanism 4 comprises a first limiting unit and a second limiting unit.

[0028] The first limiting unit is used to limit the connection of the cement base 1 and the base 3.

[0029] The second limiting unit is used to limit the movement of the first limiting unit.

[0030] The first limiting unit comprises a ground angle bolt 401, a rubber pad 402 and a connecting sleeve 403.

[0031] The ground angle bolt 401 is integrally cast in the inside of the cement base 1 and extends to the outside of the top end of the cement base 1, and the outer wall of the ground angle bolt 401 is sleeved with the rubber pad 402 arranged between the cement base 1 and the base 3 to provide shock absorption for the work of the centrifugal pump body 2.

[0032] The outer wall of the ground corner bolt 401 is threadedly connected with a connecting sleeve 403 in contact with the top end of the base 3, and the connecting sleeve 403 is used to provide a limit for the connection of the cement base 1 and the base 3;

[0033] The second limiting unit comprises a movable column 404, a first limiting block 405, a second limiting block 406, a supporting groove 407, a limiting groove 408, an annular groove 409, and a butt joint groove 410.

[0034] The movable column 404 is vertically slidably installed in the inner part of the connecting sleeve 403 and penetrates to the top end of the connecting sleeve 403, and the first limiting block 405 and the second limiting block 406 for providing a limit are fixed to the middle part of the outer wall of the movable column 404 in the circumferential direction, and the bottom part, wherein the first limiting block 405 in the initial state is aligned with the supporting groove 407 opened at the top end of the inner cavity of the connecting sleeve 403, and the inner cavity of the connecting sleeve 403 is provided with the annular groove 409 for the vertical movement of the second limiting block 406 to provide space;

[0035] The limiting groove 408 is opened at the top end of the inner cavity of the ground corner bolt 401 and is symmetrically distributed with the supporting groove 407, and the depth of the limiting groove 408 is greater than that of the supporting groove 407, and the limiting groove 408 is used to provide a vertical movement track for the movable column 404 after being moved;

[0036] The butt joint groove 410 is opened at the top end of the connecting sleeve 403 and is located directly below the movable column 404, and the butt joint groove 410 is used to provide a space for the movable column 404 and the second limiting block 406 after being rotated by one hundred and eighty degrees.

[0037] In this embodiment: by butt jointing the centrifugal pump body 2 with the base 3 with the ground corner bolt 401 fixed at the top end of the cement base 1, the ground corner bolt 401 penetrates through the base 3 and is connected between the base 3 and the cement base 1, and the rubber pad 402 is sleeved on the outer wall of the ground corner bolt 401 to provide shock absorption for the work of the centrifugal pump body 2, and then the connecting sleeve 403 is sleeved on the top end of the ground corner bolt 401, and the connecting sleeve 403 is screwed through the threads at the connecting position of the ground corner bolt 401 and the connecting sleeve 403, so that the bottom of the connecting sleeve 403 is in contact with the top end of the base 3, and the fixed connection of the base 3 and the cement base 1 is completed;

[0038] After giving the active column 404 upward tension, the stressed active column 404 synchronously drives the outer wall fixed first limiting block 405, the second limiting block 406 upwardly, the second limiting block 406 moves to the inner cavity of the annular groove 409, and the first limiting block 405 is separated from the support groove 407 arranged at the top end of the connecting sleeve 403, at this time, the active column 404 can be rotated, the rotating active column 404 synchronously drives the first limiting block 405 and the second limiting block 406 to rotate one hundred and eighty degrees, so that the first limiting block 405 is aligned with the top end of the limiting groove 408, and the second limiting block 406 is also aligned with the top slot of the butt joint groove 410, at this time, the tension of the active column 404 is released, the active column 404 drives the first limiting block 405 into the inner cavity of the limiting groove 408, and the second limiting block 406 synchronously enters the inner cavity of the butt joint groove 410 with the outer wall of the active column 404, the rotation of the connecting sleeve 403 is limited, and the connecting force of the connecting sleeve 403 is guaranteed.

[0039] Please refer to Figs. 1-3 The inner cavity of the butt joint groove 410 matches the outer wall of the active column 404 and the second limiting block 406, after the bottom end of the connecting sleeve 403 contacts the top end of the base 3, the inner cavity of the connecting sleeve 403 is left with a space for the vertical movement of the second limiting block 406, after the connecting sleeve 403 is rotated along the outer wall of the ground angle bolt 401 by the maximum number of turns, the limiting groove 408 is aligned with the top slot of the butt joint groove 410 for the second limiting block 406 to enter.

[0040] In the embodiment, when the first limiting block 405 is in the inner cavity of the support groove 407, after the connecting sleeve 403 is rotated along the outer wall of the ground angle bolt 401 by the maximum angle, the second limiting block 406 still has a certain distance of movement from the top end of the ground angle bolt 401, which does not affect the rotation of the connecting sleeve 403.

[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A horizontal single-stage centrifugal pump base structure comprising a cement base (1) and a centrifugal pump body (2) having a base (3) fixed to the bottom thereof installed above the cement base (1), characterized in that, The application also discloses a limiting mechanism (4) arranged at the joint of the cement base (1) and the base (3) and used for limiting the joint of the cement base (1) and the base (3). The limiting mechanism (4) comprises a first limiting unit and a second limiting unit. The first limiting unit is used for limiting the joint of the cement base (1) and the base (3). The second limiting unit is used for limiting the movement of the first limiting unit.

2. A horizontal single-stage centrifugal pump base structure according to claim 1, characterized in that, The first limiting unit comprises a ground corner bolt (401), a rubber pad (402) and a connecting sleeve (403). The ground corner bolt (401) is integrally poured and fixed in the cement base (1) and extends to the top end outside of the cement base (1), the outer wall of the ground corner bolt (401) is sleeved with the rubber pad (402) arranged between the cement base (1) and the base (3) and used for providing damping for the working of the centrifugal pump body (2). The outer wall of the ground corner bolt (401) is connected with the connecting sleeve (403) in contact with the top end of the base (3) through threads, and the connecting sleeve (403) is used for limiting the joint of the cement base (1) and the base (3).

3. A horizontal single stage centrifugal pump base structure according to claim 1, characterized in that, The second limiting unit comprises a movable column (404), a first limiting block (405), a second limiting block (406), a supporting groove (407), a limiting groove (408), an annular groove (409) and a butt joint groove (410). The movable column (404) is vertically and slidingly installed in the inside of the connecting sleeve (403) and penetrates to the top end outside of the connecting sleeve (403), the first limiting block (405) and the second limiting block (406) are fixed at the middle position and the bottom position of the circumferential outer wall of the movable column (404) and are used for providing limiting, the first limiting block (405) in the initial state is aligned with the supporting groove (407) opened at the top end of the inner cavity of the connecting sleeve (403), and the inner cavity top end of the connecting sleeve (403) is provided with the annular groove (409) for providing space for the vertical movement of the second limiting block (406). The limiting groove (408) is opened at the top end of the inner cavity of the connecting sleeve (403) and is symmetrically distributed with the supporting groove (407), the depth of the limiting groove (408) is greater than that of the supporting groove (407), and the limiting groove (408) is used for providing a vertical movement track for the movable column (404) after movement. The butt joint groove (410) is opened at the top end of the ground corner bolt (401) and is located directly below the movable column (404), and the butt joint groove (410) is used for providing an entering space for the movable column (404) and the second limiting block (406) after being rotated by one hundred and eighty degrees.

4. A horizontal single-stage centrifugal pump base structure according to claim 3, characterized in that The inner cavity of the butt joint groove (410) is matched with the outer wall of the movable column (404) and the second limiting block (406).

5. A horizontal single stage centrifugal pump base structure according to claim 3, wherein After the bottom end of the connecting sleeve (403) is in contact with the top end of the base (3), the inner cavity of the connecting sleeve (403) is left with space for the vertical movement of the second limiting block (406).

6. A horizontal single stage centrifugal pump base structure according to claim 3, wherein The connecting sleeve (403) rotates along the outer wall of the ground angle bolt (401) by the maximum number of turns, and the limiting groove (408) is aligned with the top of the butt joint groove (410) for the second limiting block (406) to enter the slot.

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