Horizontal axial dismounting type double suction pump

Abstract

The utility model relates to the field of double suction pump, concretely to horizontal axial dismounting type double suction pump, including upper base, the upper base top end is installed with pump body and motor, the upper base bottom positive center is fixedly installed with the rotating column, the rotating column rotates the installation in the middle position of lower base through bearing, the upper base bottom movable adhesion lower base top, four groups of fixed block no.

Description

Technical Field

[0001] This utility model relates to the field of double-suction pumps, specifically a horizontal axially disassembled double-suction pump. Background Technology

[0002] Double-suction pumps are a common type of fluid transport equipment. Due to their advantages such as large flow rate, high head, and high efficiency, they are widely used in agricultural irrigation, urban water supply and drainage, and industrial circulating water. The most critical component of the pump body is the impeller. When the impeller is subjected to cavitation or severe wear, it needs to be replaced regularly. To facilitate impeller replacement, existing double-suction pumps are designed as horizontal axial disassembly type double-suction pumps.

[0003] Existing horizontal axially disassembled double-suction pumps, such as the one disclosed in CN222141543U, use a circular stop-fit ​​design for the pump body, which facilitates stop-fit ​​machining. Furthermore, impeller assembly and disassembly can be performed directly from the side without removing the shaft, and the coupling does not need to be disassembled, making it simple and convenient. However, when reversing the inlet and outlet flanges of the aforementioned double-suction pump without altering the concrete foundation of the pump unit, the pump body needs to be removed from the base, the shaft extension cover needs to be removed and installed on the other side of the shaft extension, and then the entire pump body needs to be lifted and rotated 180°. This operation is cumbersome, time-consuming, and labor-intensive. Therefore, we propose a horizontal axially disassembled double-suction pump. Utility Model Content

[0004] The purpose of this utility model is to provide a horizontal axially disassembled double-suction pump, including an upper base, a pump body and a motor installed at the top of the upper base, a rotating column fixedly installed at the center of the bottom of the upper base, the rotating column being rotatably installed at the middle position of the lower base through a bearing, the bottom of the upper base being movably fitted to the top of the lower base, four sets of fixing blocks I being fixedly installed on the upper base, and four sets of fixing blocks II being fixedly installed on the lower base, the fixing blocks I and fixing blocks II being fixed together by fixing bolts.

[0005] Preferably, the upper base is fixedly connected to a limiting post at its bottom, and the lower base has a limiting groove, with the limiting post slidably connected to the limiting groove.

[0006] Preferably, the lower base has an installation groove, and a plurality of rollers are installed in the installation groove, with the bottom of the upper base movably fitting the rollers.

[0007] Preferably, a sealing ring 1 is embedded in the bottom of the upper base, and a sealing ring 2 is embedded in the top of the lower base, wherein the sealing ring 1 is movably fitted to the sealing ring 2.

[0008] Preferably, the pump body is provided with a shaft connected to the motor, an impeller is installed on the shaft, the pump body is provided with an inlet and an outlet perpendicular to the shaft, the pump body is provided with a bidirectional open pump casing parallel to the shaft, a pump cover is detachably installed on the open end of the bidirectional open pump casing facing the pump body, the outer edge of the bearing body is detachably fixed on the pump cover, and a shaft extension guard is installed on the side of the shaft away from the motor.

[0009] Preferably, the shaft near the motor is connected to the drive end of the motor via a coupling, and the upper base is provided with a coupling cover for covering the coupling.

[0010] Preferably, the shaft extension cover is mounted on the bearing cover, and the bearing cover is fixed to the bearing body.

[0011] Preferably, the pump body has an inlet flange at the inlet and an outlet flange at the outlet, and the inlet flange and outlet flange are arranged opposite to each other.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. When the inlet and outlet flanges need to be reversed, the four fixing bolts are removed. At this time, there is no fixed restriction between the upper base and the lower base. Since the lower base is fixed, the upper base can be rotated on the lower base. The limiting post moves along the limiting groove and moves from one end of the limiting groove to the other end. The upper base rotates 180 degrees on the lower base, which reverses the inlet and outlet flanges. The operation is simple and does not require force to move the pump body, saving time and effort.

[0014] 2. The lower base has an installation groove, and several rollers are installed in the installation groove. The bottom of the upper base is movably attached to the rollers. The rolling nature of the rollers reduces resistance when the upper base rotates on the lower base, making the rotation of the upper base smoother. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the pump cover after separation in the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the bottom of the upper base;

[0018] Figure 4 This is a schematic diagram of the top of the lower base.

[0019] In the diagram: 1. Upper base; 2. Motor; 3. Pump body; 4. Rotary column; 5. Lower base; 6. Fixing block one; 7. Fixing block two; 8. Fixing bolt; 9. Limiting post; 10. Limiting groove; 11. Mounting groove; 12. Roller; 13. Sealing ring one; 14. Sealing ring two; 15. Shaft; 16. Impeller; 17. Pump cover; 18. Bearing body; 19. Shaft extension cover; 20. Coupling cover; 21. Bearing gland; 22. Inlet flange; 23. Outlet flange. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figure 1 - Figure 4 This utility model discloses a horizontal axially disassembled double-suction pump, comprising an upper base 1, a pump body 3 and a motor 2 mounted on the top of the upper base 1, a rotating column 4 fixedly mounted at the center of the bottom of the upper base 1, the rotating column 4 being rotatably mounted in the middle position of the lower base 5 via bearings, the bottom of the upper base 1 being movably fitted against the top of the lower base 5, four sets of fixing blocks 6 being fixedly mounted on the upper base 1, and four sets of fixing blocks 7 being fixedly mounted on the lower base 5, the fixing blocks 6 and the fixing blocks 7 being fixed together by fixing bolts 8.

[0022] The upper base 1 is fixedly connected to the bottom of the limiting post 9, and the lower base 5 is provided with a limiting groove 10. The limiting post 9 is slidably connected to the limiting groove 10. The limiting post 9 moves along the limiting groove 10, and the limiting post 9 moves from one end of the limiting groove 10 to the other end. The upper base 1 rotates 180 degrees on the lower base 5, which just reverses the direction of the inlet flange 22 and the outlet flange 23. It should be noted that the lower base 5 is fixed on the work position by the action of cement or other fixing methods.

[0023] The lower base 5 has an installation groove 11, and a number of rollers 12 are installed in the installation groove 11. The bottom of the upper base 1 is movably attached to the rollers 12. The rollers 12 reduce the resistance when the upper base 1 rotates on the lower base 5.

[0024] A sealing ring 13 is embedded in the bottom of the upper base 1, and a sealing ring 14 is embedded in the top of the lower base 5. The sealing ring 13 is movably fitted to the sealing ring 14. The sealing ring 13 and the sealing ring 14 maintain good sealing performance, which can reduce external interference to the structure inside the sealing ring 13 and the sealing ring 14.

[0025] The pump body 3 has a shaft 15 connected to the motor 2 inside. An impeller 16 is mounted on the shaft 15. The pump body 3 has an inlet and an outlet perpendicular to the axis of the shaft 15. The pump body 3 has a bidirectional open pump casing parallel to the axis of the shaft 15. A pump cover 17 is detachably installed on the open end of the bidirectional open pump casing facing the pump body 3. The outer edge of the bearing body 18 is detachably fixed to the pump cover 17. A shaft extension cover 19 is installed on the shaft 15 away from the motor 2. In use, starting the motor 2 will drive the shaft 15 to rotate. The rotation of the shaft 15 will drive the impeller 16 to rotate. The rotation of the impeller 16 will make the entire double-suction pump work. It should be noted that when the motor 2 is used, it needs to be connected to a suitable external power supply with its dedicated controller and its operation is controlled by the controller. When assembling and removing the impeller 16, it can be done directly from the side without removing the shaft. Moreover, the coupling does not need to be removed. The pump cover 17 can be removed directly, and then the impeller 16 can be removed. It is simple and convenient.

[0026] The shaft 15 near the motor 2 is connected to the drive end of the motor 2 via a coupling. The upper base 1 is provided with a coupling cover 20 for covering the coupling. The coupling cover 20 can protect the coupling connecting the motor 2 and the shaft 15, and the coupling cover 20 is fixed on the upper base 1, making the structural connection stable.

[0027] The shaft extension cover 19 is mounted on the bearing cover 21, and the bearing cover 21 is fixed on the bearing body 18. The shaft extension cover 19 is mounted on the bearing cover 21 and fixed by bolts. The bearing cover 21 is fixed on the bearing body 18 and fixed by bolts. When the bidirectional open pump housing, pump cover 17, bearing body 18, shaft extension cover 19, and bearing cover 21 are assembled together, sealing gaskets are provided on the connecting surfaces for sealing.

[0028] The pump body 3 has an inlet flange 22 at its inlet and an outlet flange 23 at its outlet. The inlet flange 22 and the outlet flange 23 are arranged opposite to each other. External pipes are connected through the inlet flange 22 and the outlet flange 23.

[0029] The working principle of this utility model is as follows: In use, the lower base 5 is fixed to the work position by cement or other fixing methods. External pipes are connected through the inlet flange 22 and the outlet flange 23. When it is necessary to reverse the direction of the inlet flange 22 and the outlet flange 23, the four fixing bolts 8 are removed. At this time, there is no fixed restriction between the upper base 1 and the lower base 5. Since the lower base 5 is fixed, the upper base 1 can be rotated on the lower base 5. The limiting post 9 moves along the limiting groove 10 and moves from one end of the limiting groove 10 to the other end. The upper base 1 rotates 180 degrees on the lower base 5, which reverses the direction of the inlet flange 22 and the outlet flange 23. After the upper base 1 rotates 180 degrees, although the position of the four sets of fixing blocks 1 6 on the upper base 1 changes, the four sets of fixing blocks 1 6 are still aligned and matched with the four sets of fixing blocks 2 7 respectively. Then, the four fixing bolts 8 are used to fix the fixing blocks 1 6 and the fixing blocks 2 7 together, thereby fixing the upper base 1 and the lower base 5 together.

[0030] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A horizontal axially disassembled double-suction pump, comprising an upper base (1), characterized in that: The pump body (3) and motor (2) are installed at the top of the upper base (1). A rotating column (4) is fixedly installed at the center of the bottom of the upper base (1). The rotating column (4) is rotatably installed in the middle position of the lower base (5) through a bearing. The bottom of the upper base (1) is movably attached to the top of the lower base (5). Four sets of fixing blocks (6) are fixedly installed on the upper base (1). Four sets of fixing blocks (7) are fixedly installed on the lower base (5). The fixing blocks (6) and fixing blocks (7) are fixed together by fixing bolts (8). The bottom of the upper base (1) is fixedly connected to a limiting column (9). A limiting groove (10) is opened on the lower base (5). The limiting column (9) is slidably connected to the limiting groove (10).

2. A horizontal axially disassembled double-suction pump according to claim 1, characterized in that: The lower base (5) has an installation groove (11) and a number of rollers (12) are installed in the installation groove (11). The bottom of the upper base (1) is movably attached to the rollers (12).

3. A horizontal axially detachable double-suction pump according to claim 1, characterized in that: The bottom of the upper base (1) is inlaid with a sealing ring one (13), and the top of the lower base (5) is inlaid with a sealing ring two (14). The sealing ring one (13) is movably fitted to the sealing ring two (14).

4. A horizontal axially detachable double-suction pump according to claim 1, characterized in that: The pump body (3) is provided with a shaft (15) connected to the motor (2). An impeller (16) is installed on the shaft (15). The pump body (3) is provided with an inlet and an outlet perpendicular to the shaft (15). The pump body (3) is provided with a bidirectional open pump casing parallel to the shaft (15). A pump cover (17) is detachably installed on the open end of the bidirectional open pump casing facing the pump body (3). The outer edge of the bearing body (18) is detachably fixed on the pump cover (17). A shaft extension guard (19) is installed on the shaft (15) away from the motor (2).

5. A horizontal axially disassembled double-suction pump according to claim 4, characterized in that: The shaft (15) near the motor (2) is connected to the drive end of the motor (2) via a coupling, and the upper base (1) is provided with a coupling cover (20) for covering the coupling.

6. A horizontal axially detachable double-suction pump according to claim 4, characterized in that: The shaft extension cover (19) is installed on the bearing cover (21), which is fixed on the bearing body (18).

7. A horizontal axially disassembled double-suction pump according to claim 4, characterized in that: The pump body (3) has an inlet flange (22) at its inlet and an outlet flange (23) at its outlet. The inlet flange (22) and the outlet flange (23) are arranged opposite to each other.

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