Submersible sewage pump with desilting function

Abstract

The utility model discloses a submersible sewage pump with a desilting function, which comprises a pump body, a desilting mechanism is arranged on the pump body, the desilting mechanism comprises a bearing mechanism, a water outlet pipe, a sand outlet, a screen, a fixing sleeve, a threaded pipe, a pushing mechanism, a reducing block, a follow-up block and a resistance changing block, the bearing mechanism is mounted on the pump body, the water outlet pipe is mounted on the pump body, and the sand outlet is mounted on the bearing mechanism. According to the submersible sewage pump, the screen is installed in the water outlet pipe, the sand outlet communicates with the water outlet pipe, due to the design of the sand discharging mechanism, the submersible sewage pump can effectively discharge solid particles such as sand, the working efficiency and reliability of the pump are improved, and through the synergistic effect of the bearing mechanism, the water outlet pipe, the sand outlet, the screen, a fixing sleeve, a threaded pipe, a pushing mechanism, a reducing block, a follow-up block and a variable resistance block, the sand discharging efficiency is improved. The sand is filtered and discharged, the screen can prevent the sand from passing through the water outlet pipe, the sand and a small part of water are discharged through the sand outlet, and the design improves the sand discharging capacity of the submersible sewage pump.

Description

Technical Field

[0001] The utility model relates to the technical field of submersible sewage pumps with a sand-discharging function, and more specifically, to a submersible sewage pump with a sand-discharging function. Background Art

[0002] In the existing technology, submersible sewage pumps, as a type of pump equipment commonly used in urban sewage treatment, industrial wastewater treatment, rainwater discharge and other fields, have certain limitations in their design. Especially in terms of the discharge of solid particles such as sand, existing submersible sewage pumps often cannot provide convenient operation. This is mainly reflected in the following two aspects:

[0003] First, the existing submersible sewage pumps lack an effective sand discharge mechanism in their structural design. Since submersible sewage pumps need to handle media containing solid particles such as sand and silt, and these solid particles are easily accumulated in the pump body, the pump efficiency is reduced or even blocked. However, existing submersible sewage pumps often do not have a special sand discharge device or the discharge mechanism is not perfect, so operators need to spend a lot of time and energy when cleaning the sand, and even need to stop the pump for cleaning, which not only reduces work efficiency, but may also affect the normal operation of the submersible sewage pump.

[0004] Secondly, existing submersible sewage pumps lack convenience in operation. Since the working environment of submersible sewage pumps is usually harsh, such as sewage, sludge, etc., operators need to face harsh working conditions when cleaning sand, which not only increases the difficulty of work, but also may threaten the health of operators. In addition, due to the structural limitations of submersible sewage pumps, operators may need special tools or skills when cleaning sand, which further reduces the convenience of operation. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the prior art, the utility model provides a submersible sewage pump with a sand discharge function to solve the technical problems mentioned in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a submersible sewage pump with a sand discharge function, comprising a pump body, a sand discharge mechanism being arranged on the pump body, the sand discharge mechanism comprising a receiving mechanism, a water outlet pipe, a sand outlet, a screen, a fixed sleeve, a threaded pipe, a pushing mechanism, a reducing block, a following block and a variable resistance block, the receiving mechanism being installed on the pump body, the water outlet pipe being installed on the pump body, the screen being installed in the water outlet pipe, the sand outlet being connected to the water outlet pipe, and the sand outlet being attached to the screen, the fixed sleeve and the sand outlet being coaxially arranged, the threaded pipe being threadedly installed on the fixed sleeve, the threaded pipe being threadedly connected to the sand outlet, the pushing mechanism being installed on the fixed sleeve, the reducing block being installed on the inner wall of the fixed sleeve, the following block being slidably connected to the side wall of the reducing block, and the variable resistance block being installed on the side wall of the following block.

[0009] The utility model is further configured that a sliding block is provided on the follower block, a sliding groove is provided on the side wall of the diameter-changing block, the sliding block is slidably connected in the sliding groove, and the design of the sliding block ensures the limiting position of the follower block.

[0010] The utility model is further configured that a fitting disk is coaxially provided on the side wall of the fixing sleeve, and the fitting disk abuts against the sand outlet. The design of the fitting disk ensures the stability of the fixing sleeve.

[0011] The utility model is further configured that the pushing mechanism includes a hexagonal sleeve and a push plate, the hexagonal sleeve is threadedly connected to the side wall of the fixed sleeve, and the push plate is installed on the hexagonal sleeve. The design of the pushing mechanism ensures the adjustment of the resistance.

[0012] The utility model is further configured that a plurality of follower blocks are provided, each of the follower blocks is provided with a push spring, a thrust bearing is fitted on the push plate, the push spring abuts against the thrust bearing, and the design of the push spring ensures the transmission of the thrust.

[0013] The utility model is further configured that an external tube is provided on the push plate, the external tube and the fixed sleeve are coaxially arranged, the external tube is connected to external equipment, and the design of the external tube ensures the continuity of discharge.

[0014] The utility model is further configured that the receiving mechanism includes a motor and a support frame, the support frame is installed on the lower end surface of the pump body, and the motor is cooperatively connected to the upper end surface of the pump body. The design of the receiving mechanism ensures the continuity of the driving.

[0015] The utility model is further configured such that the motor is electrically connected to a power supply device.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a submersible sewage pump with sand discharge function, which has the following beneficial effects:

[0018] 1. The design of the sand discharge mechanism enables the submersible sewage pump to effectively discharge solid particles such as sand, thereby improving the working efficiency and reliability of the pump. The sand is filtered and discharged through the synergistic effect of the receiving mechanism, water outlet pipe, sand outlet, screen, fixed sleeve, threaded pipe, pushing mechanism, reducer block, follower block and variable resistance block. The screen can prevent sand from passing through the water outlet pipe, while sand and a small part of water are discharged through the sand outlet. This design not only improves the sand discharge capacity of the submersible sewage pump, but also reduces the wear of the pump body by sand, thereby extending the service life of the pump.

[0019] 2. The design of the pushing mechanism enables the submersible sewage pump to flexibly adjust the flow rate of the sand outlet to adapt to different working requirements. Through the cooperation of the hexagonal sleeve, push plate, thrust bearing, push spring, external tube and follower block, precise control of the flow rate of the sand outlet is achieved. By rotating the threaded sleeve, the follower block slides along the variable diameter block under the action of the thrust bearing and push spring, thereby adjusting the distance between the variable resistance blocks, changing the flow resistance in the fixed sleeve, and then adjusting the water flow distribution between the sand outlet and the water outlet pipe. This design not only improves the operational flexibility of the submersible sewage pump, but also can maintain the best sand discharge effect under different working conditions.

[0020] 3. The design of the receiving mechanism enables the submersible sewage pump to work stably at the bottom of the water, improving the stability and safety of the pump. The pump body is fixed and driven through the cooperation of the motor and the support frame. The lower end of the support frame contacts the bottom of the water, providing stable support, while the motor provides power to drive the pump body. This design not only improves the operating stability of the submersible sewage pump, but also maintains the best pumping effect under different working conditions, ensuring the reliability and continuity of the submersible sewage pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of a submersible sewage pump with sand discharge function in the utility model;

[0022] Figure 2 It is a schematic cross-sectional structure diagram of the water outlet pipe in the utility model;

[0023] Figure 3 It is a cross-sectional structural schematic diagram of the fixing sleeve in the utility model;

[0024] Figure 4 It is a structural schematic diagram of the threaded sleeve in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the follower block in the utility model.

[0026] In the figure: 1. pump body; 2. water outlet pipe; 3. sand outlet; 4. screen; 5. fixed sleeve; 6. threaded pipe; 7. reducing block; 8. follower block; 9. variable resistance block; 10. slider; 11. slide groove; 12. fitting disk; 13. hexagonal sleeve; 14. push plate; 15. push spring; 16. thrust bearing; 17. external pipe; 18. motor; 19. support frame. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0030] See also Figure 1-5A submersible sewage pump with a sand discharge function comprises a pump body 1, a sand discharge mechanism is arranged on the pump body 1, the sand discharge mechanism comprises a receiving mechanism, a water outlet pipe 2, a sand outlet 3, a screen 4, a fixed sleeve 5, a threaded pipe 6, a pushing mechanism, a reducing block 7, a following block 8 and a variable resistance block 9, the receiving mechanism is mounted on the pump body 1, the water outlet pipe 2 is mounted on the pump body 1, the screen 4 is mounted in the water outlet pipe 2, the sand outlet 3 is connected to the water outlet pipe 2, and the sand outlet 3 is attached to the screen 4, the fixed sleeve 5 and the sand outlet 3 are coaxially arranged, the threaded pipe 6 is threadedly mounted on the fixed sleeve 5, the threaded pipe 6 is threadedly connected to the sand outlet 3, the pushing mechanism is mounted on the fixed sleeve 5, the reducing block 7 is mounted on the inner wall of the fixed sleeve 5, the following block 8 is slidably connected to the side wall of the reducing block 7, the side wall of the following block 8 is provided with a variable resistance block 9, the following block 8 is provided with a slider 10, the reducing block 7 A slide groove 11 is provided on the side wall, and the slider 10 is slidably connected in the slide groove 11. A fitting disk 12 is coaxially provided on the side wall of the fixed sleeve 5, and the fitting disk 12 abuts on the sand outlet 3. The pushing mechanism includes a hexagonal sleeve 13 and a push plate 14. The hexagonal sleeve 13 is threadedly connected to the side wall of the fixed sleeve 5, and the push plate 14 is installed on the hexagonal sleeve 13. There are multiple follower blocks 8, and each follower block 8 is provided with a push spring 15. A thrust bearing 16 is fitted on the push plate 14, and the push spring 15 abuts on the thrust bearing 16. An external pipe 17 is provided on the push plate 14, and the external pipe 17 and the fixed sleeve 5 are coaxially arranged. The external pipe 17 is connected to the external equipment. The receiving mechanism includes a motor 18 and a support frame 19. The support frame 19 is installed on the lower end surface of the pump body 1, and the motor 18 is cooperatively connected to the upper end surface of the pump body 1, and the motor 18 is electrically connected to the power supply equipment.

[0031] In this embodiment, when the pump body 1 is in use, the lower end of the support frame 19 contacts the bottom of the water, and then the pump body 1 is driven by the motor 18 to discharge the water through the outlet pipe 2. When the water flows on the screen 4, since the screen 4 is installed in the outlet pipe 2, the screen cannot flow through the screen 4. Then, under the action of the water flow of the pump body 1, sand and a small part of water will be driven to be discharged through the sand outlet 3, and the filtered water will be discharged through the outlet pipe 2, thereby completing the sand discharge process.

[0032] More specifically, when the flow rate of the sand outlet 3 needs to be adjusted, the threaded sleeve is first rotated, and then the multiple follower blocks 8 are driven to slide along the variable diameter block 7 under the action of the thrust bearing 16 and the push spring 15. When the multiple variable resistance blocks 9 are closer, the flow resistance in the fixed sleeve 5 is greater, and therefore the flow rate is lower. Therefore, the water flow distribution between the sand outlet 3 and the water outlet pipe 2 can be adjusted, thereby completing the entire process.

[0033] In summary, when the overall equipment is in use or running: when the pump body 1 is in use, the lower end of the support frame 19 contacts the bottom of the water, and then the motor 18 drives the pump body 1 to discharge the water through the outlet pipe 2. When the water flows on the screen 4, since the screen 4 is installed in the outlet pipe 2, the screen cannot flow through the screen 4, and then the sand and a small part of the water will be driven to be discharged through the sand outlet 3 under the action of the water flow of the pump body 1, and the filtered water is discharged through the outlet pipe 2, thereby completing the sand discharge process.

[0034] When the flow rate of the sand outlet 3 needs to be adjusted, first the threaded sleeve is rotated, and then the multiple follower blocks 8 are driven to slide along the variable block 7 under the action of the thrust bearing 16 and the push spring 15. When the multiple variable resistance blocks 9 are closer, the flow resistance in the fixed sleeve 5 is greater, and therefore the flow rate is lower. Therefore, the water flow distribution between the sand outlet 3 and the water outlet pipe 2 can be adjusted, thereby completing the whole process.

[0035] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A submersible sewage pump with a sand discharge function, comprising a pump body (1), characterized in that: The pump body (1) is provided with a sand discharge mechanism, which comprises a receiving mechanism, a water outlet pipe (2), a sand outlet (3), a screen (4), a fixing sleeve (5), a threaded pipe (6), a pushing mechanism, a variable diameter block (7), a follower block (8) and a variable resistance block (9). The receiving mechanism is installed on the pump body (1), the water outlet pipe (2) is installed on the pump body (1), the screen (4) is installed in the water outlet pipe (2), and the sand outlet (3) is connected to the water outlet pipe (2). The sand outlet (3) is fitted on the screen (4), the fixed sleeve (5) and the sand outlet (3) are coaxially arranged, the threaded tube (6) is threadedly mounted on the fixed sleeve (5), the threaded tube (6) is threadedly connected to the sand outlet (3), the pushing mechanism is mounted on the fixed sleeve (5), the reducing block (7) is mounted on the inner wall of the fixed sleeve (5), the follower block (8) is slidably connected to the side wall of the reducing block (7), and a variable resistance block (9) is mounted on the side wall of the follower block (8).

2. The submersible sewage pump with sand discharge function according to claim 1 is characterized in that: The follower block (8) is provided with a sliding block (10), the side wall of the diameter-changing block (7) is provided with a sliding groove (11), and the sliding block (10) is slidably connected in the sliding groove (11).

3. The submersible sewage pump with sand discharge function according to claim 2 is characterized in that: A fitting disc (12) is coaxially arranged on the side wall of the fixing sleeve (5), and the fitting disc (12) abuts against the sand outlet (3).

4. The submersible sewage pump with sand discharge function according to claim 3 is characterized in that: The pushing mechanism comprises a hexagonal sleeve (13) and a push plate (14); the hexagonal sleeve (13) is threadedly connected to the side wall of the fixed sleeve (5); and the push plate (14) is installed on the hexagonal sleeve (13).

5. The submersible sewage pump with sand discharge function according to claim 4 is characterized in that: A plurality of follower blocks (8) are provided, each of which is provided with a push spring (15). A thrust bearing (16) is fitted on the push plate (14), and the push spring (15) abuts against the thrust bearing (16).

6. The submersible sewage pump with sand discharge function according to claim 5 is characterized in that: The push plate (14) is provided with an external pipe (17), the external pipe (17) and the fixing sleeve (5) are coaxially arranged, and the external pipe (17) is connected to external equipment.

7. The submersible sewage pump with sand discharge function according to claim 1 is characterized in that: The receiving mechanism comprises a motor (18) and a support frame (19); the support frame (19) is mounted on the lower end surface of the pump body (1); and the motor (18) is cooperatively connected to the upper end surface of the pump body (1).

8. The submersible sewage pump with sand discharge function according to claim 7 is characterized in that: The motor (18) is electrically connected to a power supply device.

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