Vertical and horizontal dual-purpose submersible sewage pump

Abstract

The utility model provides a vertical and horizontal dual-purpose submersible sewage pump, which belongs to the technical field of submersible pumps and comprises a motor casing, a mechanical seal chamber and a volute which are sequentially connected, a first mounting rack is arranged on the outer side of the motor casing, and a second mounting rack is arranged on the outer side of the volute; the first mounting frame is provided with a first supporting face opposite to the motor shell, the second mounting frame is provided with a second supporting face opposite to the volute, and the second supporting face is parallel to the first supporting face. The length of the first mounting frame is not larger than that of the motor shell, the width of the first mounting frame is not larger than the diameter of the motor shell, the length of the second mounting frame is not larger than that of the volute, and the width of the second mounting frame is not larger than that of the volute. When the submersible sewage pump is horizontally mounted, the first mounting frame and the second mounting frame are supported on the foundation ground; when the submersible sewage pump is vertically mounted, the first mounting frame and the second mounting frame can be limited in a vertical space, so that the submersible sewage pump can be used vertically and horizontally, the universality of the submersible sewage pump is improved, and the use cost of a user is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of submersible pump technology, specifically relating to a submersible sewage pump that can be used both vertically and horizontally. Background Technology

[0002] Submersible sewage pumps, also known as submersible wastewater pumps, are particularly suitable for conveying liquids containing hard solids, fibrous materials, and especially dirty, viscous, and slippery liquids. They can transport various types of domestic sewage, industrial wastewater, construction site drainage, liquid feed, and more. They play a vital role in various industries, including municipal engineering, industry, hospitals, construction, restaurants, and water conservancy projects.

[0003] Based on installation method and application scenario, submersible sewage pumps are divided into horizontal submersible sewage pumps and vertical submersible sewage pumps. Horizontal submersible sewage pumps: The pump body and motor are installed horizontally, and they are mostly placed on the ground or at the edge of open pools, suitable for open pools and ground installation. Vertical submersible sewage pumps: The pump body and motor are installed vertically, and they are usually completely submerged in the liquid (such as deep wells or pits), suitable for scenarios with limited vertical space such as deep wells, pits, and narrow spaces (such as tunnels and elevator shafts).

[0004] Currently, due to the different installation methods and application scenarios of vertical and horizontal submersible sewage pumps, companies need to prepare a variety of submersible sewage pumps, which not only increases the company's operating costs but also wastes resources. Utility Model Content

[0005] This utility model provides a submersible sewage pump that can be used in both horizontal and vertical applications, reducing usage costs and resource waste for enterprises and improving the versatility of the submersible sewage pump.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A submersible sewage pump suitable for both vertical and horizontal applications is provided, comprising: a motor housing, a mechanical seal chamber, and a volute connected in sequence. A first mounting bracket is provided on the outer side of the motor housing, and a second mounting bracket is provided on the outer side of the volute. Both the first and second mounting brackets are located on the same side opposite to the outlet of the volute, and both are symmetrical components symmetrical along the pump axis. The first mounting bracket has a first supporting surface facing away from the motor housing, and the second mounting bracket has a second supporting surface facing away from the volute, with the second supporting surface parallel to the first supporting surface.

[0007] With the axial direction of the pump shaft as the length direction and the diameter direction on the horizontal plane of the pump shaft as the width direction, the length of the first mounting bracket is not greater than the length of the motor housing, the width of the first mounting bracket is not greater than the diameter of the motor housing, the length of the second mounting bracket is not greater than the length of the volute, and the width of the second mounting bracket is not greater than the width of the volute.

[0008] When the submersible sewage pump is installed horizontally, the first mounting bracket and the second mounting bracket are supported on the foundation ground; when the submersible sewage pump is installed vertically, the first mounting bracket and the second mounting bracket may be confined within the vertical space.

[0009] In one possible implementation, the second support surface is coplanar with the first support surface.

[0010] In one possible implementation, the first mounting bracket includes a first mounting plate and a plurality of connecting posts, the first mounting plate being connected to the motor housing via the connecting posts; the length of the first mounting plate is not greater than the length of the motor housing, and the width of the first mounting plate is not greater than the diameter of the motor housing.

[0011] In one possible implementation, the width of the first mounting plate does not exceed 2 / 3 of the diameter of the motor housing.

[0012] In one possible implementation, the first mounting bracket further includes a first reinforcing plate symmetrical to the pump shaft and perpendicular to the pump shaft.

[0013] In one possible implementation, the second mounting plate is provided with a plurality of second mounting holes, and at least one of the second mounting holes is an elongated hole.

[0014] In one possible implementation, the second mounting bracket includes a second mounting plate fixed to the outer surface of the volute, the length of the second mounting plate being no greater than the length of the volute, and the width of the second mounting plate being no greater than the width of the volute.

[0015] In one possible implementation, the width of the second mounting plate does not exceed 2 / 3 of the diameter of the volute.

[0016] In one possible embodiment, the second mounting bracket further includes symmetrically arranged second reinforcing plates, which are parallel to the pump shaft; the second reinforcing plates are connected between the volute and the second mounting bracket.

[0017] In one possible implementation, the first mounting plate is provided with a plurality of first mounting holes, and at least one of the first mounting holes is an elongated hole.

[0018] The submersible sewage pump available in this utility model, which can be used both vertically and horizontally, offers the following advantages compared to existing technologies: When the submersible sewage pump is installed horizontally, the first and second mounting brackets are supported on the foundation ground, providing stable support for the entire pump body and ensuring smooth operation of the pump in horizontal working condition, reducing the impact of vibration and other factors on pump performance. Since both the first and second mounting brackets are symmetrical components symmetrical about the pump axis, and the second support surface is parallel to the first support surface, this symmetrical and parallel structural design further enhances the stability during horizontal installation.

[0019] When a submersible sewage pump is installed vertically, the length of the first mounting bracket should not exceed the length of the motor housing, and the width should not exceed the diameter of the motor housing; the length of the second mounting bracket should not exceed the length of the volute, and the width should not exceed the width of the volute. Therefore, the first and second mounting brackets can be confined within the vertical space, allowing the pump body to operate effectively in a specific vertical environment. This ensures that the pump body can better adapt to the vertical space during vertical installation, and will not be unable to be installed due to excessive size or affect the arrangement of surrounding components.

[0020] Furthermore, this dual-purpose (horizontal and vertical) design greatly enhances the flexibility and versatility of the submersible sewage pump. Users can flexibly choose between horizontal or vertical installation based on their actual working scenarios and needs, thus better meeting sewage discharge requirements under different operating conditions. Whether in confined basements, narrow ditches, or relatively open ground, this submersible sewage pump can fulfill its function, improving the equipment's versatility and applicability, reducing equipment procurement costs and installation difficulties for users, and demonstrating good economic benefits and practical application value. Attached Figure Description

[0021] Figure 1 A schematic diagram of the overall structure of the submersible sewage pump that can be used both vertically and horizontally provided in the embodiment of this utility model (the first mounting bracket and the second mounting bracket in the figure are cross-sectional views along the pump shaft).

[0022] Figure 2 for Figure 1 A schematic diagram of the left side of the submersible sewage pump that can be used both vertically and horizontally provided in the embodiment (showing Embodiment 1 of the first mounting bracket);

[0023] Figure 3 A top view of the first mounting plate provided in this embodiment of the utility model (showing the structure of the first mounting hole; the second mounting hole on the second mounting plate can be referenced).

[0024] Figure 4 for Figure 1 A schematic diagram of the left side of the submersible sewage pump that can be used both vertically and horizontally provided in the embodiment (showing the second embodiment of the first mounting bracket);

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Motor housing; 2. Mechanical seal chamber; 3. Volute; 4. First mounting bracket; 41. First mounting plate; 42. Connecting column; 43. First mounting hole; 44. First reinforcing plate; 45. Arc-shaped support plate; 5. Second mounting bracket; 51. Second mounting plate; 52. Second reinforcing plate; 53. Second mounting hole. Detailed Implementation

[0027] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and drawings of this utility model is for distinguishing different objects and not for describing a specific order.

[0029] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0030] Please refer to sections 1 to 2. Figure 4 The present invention provides a description of a submersible sewage pump suitable for both vertical and horizontal applications. The submersible sewage pump comprises: a motor housing 1, a mechanical seal chamber 2, and a volute 3 connected in sequence. A first mounting bracket 4 is provided on the outer side of the motor housing 1, and a second mounting bracket 5 is provided on the outer side of the volute 3. Both the first mounting bracket 4 and the second mounting bracket 5 are located on the same side opposite to the outlet of the volute 3, and both are symmetrical components symmetrical along the pump axis. The first mounting bracket 4 has a first support surface facing away from the motor housing 1, and the second mounting bracket 5 has a second support surface facing away from the volute 3. The second support surface is parallel to the first support surface.

[0031] With the pump shaft's axial direction as the length direction and the diameter direction on the horizontal plane of the pump shaft as the width direction, the length of the first mounting bracket 4 is no greater than the length of the motor housing 1, the width of the first mounting bracket 4 is no greater than the diameter of the motor housing 1, the length of the second mounting bracket 5 is no greater than the length of the volute 3, and the width of the second mounting bracket 5 is no greater than the width of the volute 3. When the submersible sewage pump is installed horizontally, the first mounting bracket 4 and the second mounting bracket 5 are supported on the foundation ground. When the submersible sewage pump is installed vertically, the first mounting bracket 4 and the second mounting bracket 5 can be confined within the vertical space.

[0032] The submersible sewage pump available in this utility model, which can be used both vertically and horizontally, offers the following advantages compared to existing technologies: When the submersible sewage pump is installed horizontally, the first mounting bracket 4 and the second mounting bracket 5 are supported on the foundation ground, providing stable support for the entire pump body and ensuring smooth operation of the pump in horizontal working condition, reducing the impact of vibration and other factors on pump performance. Since both the first mounting bracket 4 and the second mounting bracket 5 are symmetrical components symmetrical about the pump axis, and the second support surface is parallel to the first support surface, this symmetrical and parallel structural design further enhances the stability during horizontal installation.

[0033] When the submersible sewage pump is installed vertically, the length of the first mounting bracket 4 is no greater than the length of the motor housing 1, and the width is no greater than the diameter of the motor housing 1; the length of the second mounting bracket 5 is no greater than the length of the volute 3, and the width is no greater than the width of the volute 3. Therefore, the first mounting bracket 4 and the second mounting bracket 5 can be confined within the vertical space, allowing the pump body to work effectively in a specific vertical space environment. This ensures that the pump body can better adapt to the vertical space during vertical installation, and will not be unable to be installed due to excessive size or affect the arrangement of other surrounding components.

[0034] Furthermore, this dual-purpose (horizontal and vertical) design greatly enhances the flexibility and versatility of the submersible sewage pump. Users can flexibly choose between horizontal or vertical installation based on their actual working scenarios and needs, thus better meeting sewage discharge requirements under different operating conditions. Whether in confined basements, narrow ditches, or relatively open ground, this submersible sewage pump can fulfill its function, improving the equipment's versatility and applicability, reducing equipment procurement costs and installation difficulties for users, and demonstrating good economic benefits and practical application value.

[0035] The motor housing, also known as the outer casing of the motor, is the power source for the submersible sewage pump. The motor converts electrical energy into mechanical energy, driving the impeller to rotate. The motor housing is made of corrosion-resistant materials: the outer casing is often made of stainless steel or cast iron with a coating to resist corrosive substances in sewage.

[0036] The mechanical seal chamber is located between the motor housing and the volute. Its function is to prevent the liquid inside the pump from leaking into the motor cavity, and at the same time to prevent external impurities from entering the motor housing and damaging the motor inside the motor housing.

[0037] The function of the volute is to convert the kinetic energy generated by the impeller rotation into liquid pressure energy and guide the fluid to be discharged efficiently.

[0038] In some embodiments, see Figure 1 As shown, the second support surface is coplanar with the first support surface. This coplanar design makes the support structure more stable, evenly distributing the pressure and reducing local stress concentration, thereby effectively improving the reliability of the entire device during use and reducing the risk of damage due to unstable support. On the other hand, the coplanar second and first support surfaces also reduce the overall dimensions and the requirement for limited space, making it easier to adapt to vertical confined spaces during vertical installation.

[0039] The pump body of a submersible sewage pump is generally cylindrical. By limiting the size of the first mounting bracket 4 and the second mounting bracket 5 and designing them as a single plane, the volume of the pump body is reduced, thus making it more suitable for operation in vertically confined spaces.

[0040] In some embodiments, see Figure 1 , Figure 2 and Figure 4 The first mounting bracket 4 includes a first mounting plate 41 and multiple connecting posts 42. The first mounting plate 41 is connected to the motor housing 1 via the connecting posts 42. The length of the first mounting plate 41 is no greater than the length of the motor housing 1, and the width of the first mounting plate 41 is no greater than the diameter of the motor housing 1. On the one hand, the connection between the first mounting plate 41 and the motor housing 1 via the connecting posts 42 ensures a stable connection between the first mounting bracket 4 and the motor housing 1, providing a reliable foundation for the installation of subsequent components and ensuring the stability of the entire structure. On the other hand, the fact that the length and width of the first mounting plate 41 are no greater than the length and diameter of the motor housing 1 means that when the first mounting bracket 4 is installed on the motor housing 1, it will not excessively occupy the space around the pump body, which is beneficial for installation in limited space when the pump body is used vertically, thus improving space utilization.

[0041] Further integration Figure 2 It is understood that multiple connecting columns 42 are symmetrically arranged along the pump shaft (as an embodiment of the first mounting bracket 4). The connecting columns 42 can be integrally formed with the motor housing 1, or they can be welded to the motor housing 1 later. The first mounting plate 41 can be welded to the connecting columns 42.

[0042] Optionally, the connecting column 42 can be rectangular or circular. Four to six connecting columns 42 can be evenly arranged along the length of the first mounting plate 41, symmetrically arranged in two rows along the pump shaft.

[0043] Since the diameter of the motor housing 1 is generally smaller than the diameter of the volute 3, in order to ensure that the first support surface and the second support surface are coplanar, the first mounting plate 41 is connected by the connecting column 42 to facilitate the coplanar design of the first support surface and the second support surface.

[0044] In some embodiments, see Figure 2 The width of the first mounting plate 41 does not exceed 2 / 3 of the diameter of the motor housing 1. When the width of the first mounting plate 41 does not exceed 2 / 3 of the diameter of the motor housing 1, the space occupied by the first mounting plate 41 around the motor housing 1 can be effectively reduced, making the layout of the entire pump body more compact and reasonable, which is convenient for installation and arrangement in a limited space, and is especially suitable for application scenarios with high space requirements.

[0045] In some embodiments, see Figure 2 and Figure 4 The first mounting bracket 4 also includes a first reinforcing plate 44 symmetrical to the pump shaft and perpendicular to the pump shaft. This configuration significantly enhances the structural strength and stability of the first mounting bracket 4, effectively reduces the vibration impact on the first mounting bracket 4 during pump shaft operation, ensures the reliability of the entire pump body during long-term operation, reduces the failure rate caused by instability of the first mounting bracket 4, and thus improves the overall service life and working efficiency of the equipment.

[0046] Furthermore, the first reinforcing plate 44 is fixed to one side of the connecting column 42, and the first reinforcing plate 44 is triangular in shape.

[0047] In this application, see Embodiment 2, which serves as the first mounting bracket 4. Figure 4 The first mounting bracket 4 may also include an arc-shaped support plate 45 that conforms to the lower side of the motor housing 1. In this case, connecting rods are provided between the connecting columns 42 arranged along the length direction. The two ends of the arc-shaped support plate 45 are connected to the two connecting rods of the symmetrical pump shaft. The arc-shaped support plate 45 has the function of supporting and stabilizing the motor housing 1. The purpose is to improve the stability of the entire pump body when it is installed horizontally, ensure the stability of the horizontal submersible sewage pump when it is working, and avoid vibration affecting the normal operation of the pump body.

[0048] Because the motor housing 1 is relatively long within the pump body, stable support for the motor housing 1 ensures stable support for the entire pump body, thereby ensuring the stability of the pump body during operation.

[0049] In some embodiments, see Figure 3The first mounting plate 41 is provided with multiple first mounting holes 43, and at least one of the first mounting holes 43 is an elongated hole. The elongated hole design allows for flexible adjustment of the installation position within a certain range during installation. Even if there are slight deviations in the positioning of the mounting component, fine adjustments can be made through the elongated hole, thereby achieving more precise installation and improving the accuracy and convenience of installation. The presence of multiple first mounting holes 43 further enhances the flexibility of installation, allowing the selection of the most suitable mounting hole according to the actual installation scenario and needs. This optimizes the overall installation layout, making the installation more stable and reliable, and ensuring the stability and safety of the equipment or component during use.

[0050] In some embodiments, see Figure 1 The second mounting bracket 5 includes a second mounting plate 51, which is fixed to the outer surface of the volute 3. The length of the second mounting plate 51 is no greater than the length of the volute 3, and the width of the second mounting plate 51 is no greater than the width of the volute 3. The fact that the length and width of the second mounting plate 51 are no greater than the length of the volute 3 and the diameter of the motor housing 1 ensures that the second mounting bracket 5, when installed on the volute 3, will not excessively occupy the space around the pump body. This facilitates installation in limited spaces when the pump is used vertically, improving space utilization.

[0051] In some embodiments, see specific references. Figure 2 The first mounting plate 41 is shown in the width direction of the motor housing 1. The width of the second mounting plate 51 does not exceed 2 / 3 of the diameter of the volute 3. When the width of the second mounting plate 51 does not exceed 2 / 3 of the diameter of the volute 3, the space occupied by the second mounting plate 51 around the volute 3 can be effectively reduced, making the layout of the entire pump body more compact and reasonable. This facilitates installation and arrangement in limited spaces, and is especially suitable for applications with high space requirements.

[0052] This application improves the feasibility and versatility of the pump body for both vertical and horizontal use by limiting the dimensions of the first mounting plate 41 and the second mounting plate 51.

[0053] In some embodiments, see Figure 1 The second mounting bracket 5 also includes symmetrically arranged second reinforcing plates 52, which are parallel to the pump shaft. The second reinforcing plates 52 connect the second mounting plate 51 and the volute 3. The second reinforcing plates 52 are triangular in shape. The second reinforcing plates 52 enhance the structural strength and stability of the second mounting bracket 5, effectively reducing the vibration affecting the second mounting bracket 5 during pump shaft operation, and working in conjunction with the first mounting bracket 4 to ensure the reliability of the entire pump body during long-term operation.

[0054] In some embodiments, see Figure 1The second mounting hole 53 is indicated by the dashed line. Multiple second mounting holes 53 are provided on the second mounting plate 51, and at least one of them is an elongated hole. The elongated hole design allows for flexible adjustment of the mounting position within a certain range during installation. Even if there are slight deviations in the positioning of the mounting component, fine adjustments can be made through the elongated hole, thereby achieving more precise installation and improving the accuracy and convenience of installation.

[0055] Optionally, the first mounting bracket 4 and the second mounting bracket 5 can be detachably connected to the motor housing 1 or the volute 3. For example, multiple first mounting lugs are provided on both sides of the diameter at the horizontal plane of the motor housing 1 along the pump shaft direction. The upper end of the connecting column 42 fixed on the first mounting plate 41 can be detachably connected to the first mounting lugs by bolts. Connecting rods are provided between the connecting columns 42, and arc-shaped support plates 45 supporting the motor housing 1 are provided between the connecting rods. When the submersible sewage pump is installed vertically, the first mounting bracket 4 can be removed. When it is installed horizontally, the first mounting bracket 4 is installed on the pump body, realizing the conversion between vertical and horizontal submersible sewage pumps. It should be noted that no illustrations are given for this embodiment.

[0056] Similarly, the second mounting bracket 5 is also installed in this way, except that the volute 3 can directly contact the second mounting plate 51.

[0057] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A submersible sewage pump for use in a vertical or horizontal position, comprising: The motor shell (1), the mechanical seal chamber (2) and the volute (3) are sequentially connected, characterized in that the outer side of the motor shell (1) is provided with a first mounting frame (4), the outer side of the volute (3) is provided with a second mounting frame (5), the first mounting frame (4) and the second mounting frame (5) are arranged on the same side opposite to the outlet of the volute (3), and the first mounting frame (4) and the second mounting frame (5) are symmetrical components symmetrical along the pump shaft; the first mounting frame (4) has a first supporting surface away from the motor shell (1), and the second mounting frame (5) has a second supporting surface away from the volute (3), and the second supporting surface is parallel to the first supporting surface. The length of the first mounting frame (4) is not greater than the length of the motor shell (1), the width of the first mounting frame (4) is not greater than the diameter of the motor shell (1), the length of the second mounting frame (5) is not greater than the length of the volute (3), and the width of the second mounting frame (5) is not greater than the width of the volute (3). When the submersible sewage pump is horizontally installed, the first mounting frame (4) and the second mounting frame (5) are supported on the ground; when the submersible sewage pump is vertically installed, the first mounting frame (4) and the second mounting frame (5) can be limited in the vertical space.

2. The U-shaped submersible sewage pump according to claim 1, wherein The second supporting surface is coplanar with the first supporting surface.

3. The U-shaped submersible sewage pump according to claim 1, wherein The first mounting frame (4) comprises a first mounting plate (41) and a plurality of connecting columns (42), the first mounting plate (41) is connected with the motor shell (1) through the connecting columns (42), the length of the first mounting plate (41) is not greater than the length of the motor shell (1), and the width of the first mounting plate (41) is not greater than the diameter of the motor shell (1).

4. The U-shaped submersible sewage pump according to claim 3, wherein The width of the first mounting plate (41) is not more than 2 / 3 of the diameter of the motor shell (1).

5. The U-shaped submersible sewage pump according to claim 3, wherein The first mounting frame (4) further comprises a first reinforcing plate (44) symmetrical to the pump shaft, and the first reinforcing plate (44) is perpendicular to the pump shaft.

6. The U-shaped submersible sewage pump according to claim 3, wherein A plurality of first mounting holes (43) are arranged on the first mounting plate (41), and at least one of the first mounting holes (43) is an elongated hole.

7. The U-shaped submersible sewage pump according to claim 1, wherein The second mounting frame (5) comprises a second mounting plate (51), the second mounting plate (51) is fixed to the outer surface of the volute (3), the length of the second mounting plate (51) is not greater than the length of the volute (3), and the width of the second mounting plate (51) is not greater than the width of the volute (3).

8. The U-shaped submersible sewage pump according to claim 7, wherein The width of the second mounting plate (51) is not more than 2 / 3 of the diameter of the volute (3).

9. The U-shaped submersible sewage pump according to claim 7, wherein The second mounting frame (5) further comprises a second reinforcing plate (52) arranged symmetrically, and the second reinforcing plate (52) is parallel to the pump shaft; the second reinforcing plate (52) is connected between the volute (3) and the second mounting frame (5).

10. The U-shaped submersible sewage pump of claim 7, wherein A plurality of second mounting holes (53) are arranged on the second mounting plate (51), and at least one of the second mounting holes (53) is an elongated hole.

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