Sewage pump cutting device

Abstract

The utility model relates to the technical field of cutting devices, in particular to a sewage pump cutting device, which improves the crushing treatment effect and treatment efficiency of dirt, and improves the reliability of cutting and crushing the dirt by cutting and crushing the dirt twice; it comprises a cylinder and multiple groups of conveying pipes, the multiple groups of conveying pipes are all connected and arranged on the upper part of the outer side wall of the cylinder, and an inlet is arranged at the bottom end of the cylinder; it also comprises a driving device, a crushing device, a conveying box, multiple groups of first blades and multiple groups of second blades, the output ends of the multiple groups of conveying pipes are all connected with the conveying box, the top end of the conveying box is connected with the input end of the sewage pump, the multiple groups of first blades and the multiple groups of second blades are all installed on the driving device, and the multiple groups of first blades and the multiple groups of second blades are staggered, the driving device is used to drive the multiple groups of first blades and the multiple groups of second blades to rotate in opposite directions, the crushing device is arranged inside the cylinder, and the crushing device is used to crush the dirt twice.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a sewage pump cutting device. Background Art

[0002] In the sewage treatment process, impurities such as solid particles and fibers in the sewage often cause the sewage pump to be blocked, affecting the normal operation of the pump and even causing damage to the pump. Therefore, a sewage pump cutting device is needed that can effectively cut impurities in the sewage and prevent the pump from being blocked.

[0003] As in the patent with the prior art authorization announcement number CN209145896U, the utility model relates to the field of pump equipment and discloses a cutting device for a sewage pump, including a vertically arranged cylinder, a drive shaft is coaxially rotated through the cylinder, and at least one group of cutting blade assemblies is fixedly connected to the drive shaft; the lower end support of the drive shaft is provided with a support seat, the upper end of the drive shaft is fixedly connected with a driven gear, and is provided with a power mechanism for driving it to rotate; a flow guide body is provided between the driven gear and the cutting blade assembly, the drive shaft is rotatably arranged to pass through the flow guide body, and the flow guide body is fixedly arranged.

[0004] However, during the use of the device, it was found that the device had a relatively simple method of crushing dirt, which reduced the device's crushing effect and efficiency on dirt and reduced its use effect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sewage pump cutting device which improves the crushing effect and efficiency of dirt and improves the reliability of dirt cutting and crushing by cutting and crushing the dirt twice.

[0006] The utility model discloses a sewage pump cutting device, comprising a cylinder and multiple groups of delivery pipes, the multiple groups of delivery pipes are connected and arranged on the upper part of the outer side wall of the cylinder, and the bottom end of the cylinder is provided with an inlet; it also comprises a driving device, a crushing device, a delivery box, multiple groups of first blades and multiple groups of second blades, the output ends of the multiple groups of delivery pipes are connected with the delivery box, the top end of the delivery box is connected with the input end of the sewage pump, the multiple groups of first blades and the multiple groups of second blades are installed on the driving device, and the multiple groups of first blades and the multiple groups of second blades are staggered, the driving device is used to drive the multiple groups of first blades and the multiple groups of second blades to rotate in opposite directions, the crushing device is arranged inside the cylinder, The crushing device is used for secondary crushing of dirt; sewage enters through the air inlet at the bottom of the cylinder, and then the driving device drives multiple groups of first blades and multiple groups of second blades to rotate in opposite directions, so that the multiple groups of first blades and multiple groups of second blades cut and crush the dirt in the sewage, thereby improving the crushing effect and efficiency of the dirt. The crushed dirt and sewage are transported to the inside of the conveying box through multiple groups of conveying pipes, and the sewage in the conveying box is further transported and processed through the sewage pump. The dirt entering the cylinder is secondary cut and crushed by the crushing device, thereby reducing the large particles of dirt entering the conveying pipe and improving the reliability of the device in cutting and crushing the dirt.

[0007] Preferably, the driving device includes a power device, a sleeve, a sleeve, a rotating shaft, a connecting rod, a first bevel gear and a second bevel gear, the sleeve is rotatably mounted on the inner wall of the cylinder, multiple groups of second blades are mounted on the outer wall of the sleeve, the sleeve is rotatably mounted on the top of the inner wall of the cylinder, the rotating shaft rotates through the inside of the sleeve, multiple groups of first blades are mounted on the outer wall of the rotating shaft, the connecting rod is mounted on the outer wall of the sleeve, the end of the connecting rod is connected to the outer wall of the sleeve, the first bevel gear is mounted on the outer wall of the sleeve, the second bevel gear is mounted on the outer wall of the rotating shaft, and the power device is arranged on the cylinder, the power device is used to drive the first bevel gear and the second bevel gear to rotate in opposite directions; the first bevel gear and the second bevel gear are driven to rotate in opposite directions by the power device, so that the first bevel gear and the second bevel gear respectively drive the sleeve and the rotating shaft to rotate in opposite directions, so that the sleeve drives the sleeve to rotate through the connecting rod, and after the sleeve rotates, it drives multiple groups of second blades to rotate clockwise, so that the rotating shaft drives multiple groups of first blades to rotate counterclockwise, and the dirt is cut and crushed after the multiple groups of first blades and the multiple groups of second blades rotate in opposite directions, thereby improving the cutting effect on the dirt.

[0008] Preferably, the crushing device includes multiple groups of support shafts, multiple groups of first spur gears, second spur gears and multiple groups of third blades. The multiple groups of support shafts are rotatably installed on the top of the cylinder, the multiple groups of support shafts are respectively installed on the top ends of the multiple groups of support shafts, the second spur gears are installed on the outer wall of the sleeve, and the second spur gears are meshed with the multiple groups of first spur gears, and the multiple groups of third blades are respectively installed on the outer walls of the multiple groups of support shafts; after the sleeve rotates, it drives the second spur gear to rotate, and the second spur gear drives the multiple groups of support shafts to rotate by meshing with the multiple groups of first spur gears, so that the multiple groups of support shafts drive the multiple groups of third blades to rotate, so that the multiple groups of third blades cut and crush the dirt for a second time.

[0009] Preferably, the power device includes a motor and a third bevel gear, the motor is installed on the top of the cylinder, the third bevel gear is installed on the output end of the motor, and the third bevel gear is meshed with the first bevel gear and the second bevel gear; the third bevel gear is driven by the motor to rotate, so that the third bevel gear drives the first bevel gear and the second bevel gear to rotate in opposite directions, thereby improving the convenience of oppositely rotating cutting of multiple groups of first blades and multiple groups of second blades.

[0010] Preferably, it also includes multiple groups of filter nets, which are respectively connected and arranged on the input ends of multiple groups of delivery pipes; by setting up multiple groups of filter nets, the sewage filtering effect entering the multiple groups of delivery pipes is improved, and large pieces of dirt are prevented from entering the interior of the delivery pipes and causing blockage.

[0011] Preferably, it also includes a flange, which is arranged at the entrance of the bottom end of the cylinder; by arranging the flange, the convenience of connecting the cylinder with external equipment is improved.

[0012] Preferably, it also includes multiple groups of inspection ports, which are respectively arranged on the outer side walls of the multiple groups of conveying pipes; by setting up the multiple groups of inspection ports, the convenience of internal inspection and maintenance of the multiple groups of conveying pipes is improved.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: sewage enters through the air inlet at the bottom end of the cylinder, and then the driving device drives multiple groups of first blades and multiple groups of second blades to rotate in opposite directions, so that the multiple groups of first blades and multiple groups of second blades cut and crush the dirt in the sewage, thereby improving the crushing effect and processing efficiency of the dirt, and the crushed dirt and sewage are transported to the inside of the conveying box through multiple groups of conveying pipes, and the sewage in the conveying box is further transported and processed by the sewage pump, and the dirt entering the cylinder is cut and crushed for the second time by the crushing device, thereby reducing the large particles of dirt entering the inside of the conveying pipe and improving the reliability of the device in cutting and crushing the dirt. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is an axonometric structural diagram of the connection between the conveying pipe and the conveying box;

[0016] Figure 3 is a schematic diagram of an axonometric partial structure of the connection between the second blade and the rotating shaft, etc.;

[0017] Figure 4 It is a schematic diagram of the partial axonometric structure of the connection between the support shaft and the first spur gear, etc.;

[0018] Figure 5 It is an axonometric diagram of the local structure of the connection between the conveying pipe and the inspection port, etc.

[0019] Markings in the attached drawings: 1. cylinder; 2. conveying pipe; 3. conveying box; 4. first blade; 5. second blade; 6. sleeve; 7. sleeve; 8. rotating shaft; 9. connecting rod; 10. first bevel gear; 11. second bevel gear; 12. supporting shaft; 13. first spur gear; 14. second spur gear; 15. third blade; 16. motor; 17. third bevel gear; 18. filter screen; 19. flange; 20. inspection port. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a sewage pump cutting device of the utility model comprises a cylinder 1 and multiple groups of delivery pipes 2, the multiple groups of delivery pipes 2 are all connected and arranged on the upper part of the outer wall of the cylinder 1, and an inlet is arranged at the bottom end of the cylinder 1; it also comprises a driving device, a crushing device, a delivery box 3, multiple groups of first blades 4 and multiple groups of second blades 5, the output ends of the multiple groups of delivery pipes 2 are all connected with the delivery box 3, the top of the delivery box 3 is connected with the input end of the sewage pump, the multiple groups of first blades 4 and the multiple groups of second blades 5 are all installed on the driving device, and the multiple groups of first blades 4 and the multiple groups of second blades 5 are staggered, the driving device is used to drive the multiple groups of first blades 4 and the multiple groups of second blades 5 to rotate in opposite directions, the crushing device is arranged inside the cylinder 1, and the crushing device is used to crush the dirt for a second time;

[0023] like Figure 3As shown, the driving device includes a power device, a sleeve 6, a sleeve 7, a rotating shaft 8, a connecting rod 9, a first bevel gear 10 and a second bevel gear 11, the sleeve 6 is rotatably mounted on the inner wall of the cylinder 1, multiple groups of second blades 5 are mounted on the outer wall of the sleeve 6, the sleeve 7 is rotatably mounted on the top of the inner wall of the cylinder 1, the rotating shaft 8 rotates through the inside of the sleeve 7, multiple groups of first blades 4 are mounted on the outer wall of the rotating shaft 8, the connecting rod 9 is mounted on the outer wall of the sleeve 7, the end of the connecting rod 9 is connected to the outer wall of the sleeve 6, the first bevel gear 10 is mounted on the outer wall of the sleeve 7, the second bevel gear 11 is mounted on the outer wall of the rotating shaft 8, and the power device is arranged on the cylinder 1, and the power device is used to drive the first bevel gear 10 and the second bevel gear 11 to rotate in opposite directions;

[0024] In this embodiment, sewage enters through the air inlet at the bottom end of the cylinder 1, and then the driving device drives multiple groups of first blades 4 and multiple groups of second blades 5 to rotate in opposite directions, so that the multiple groups of first blades 4 and multiple groups of second blades 5 cut and crush the dirt in the sewage, thereby improving the crushing effect and efficiency of the dirt. The crushed dirt and sewage are transported to the inside of the conveying box 3 through multiple groups of conveying pipes 2, and the sewage in the conveying box 3 is further transported and processed by the sewage pump. The dirt entering the cylinder 1 is cut and crushed for the second time by the crushing device, thereby reducing the large particles of dirt entering the conveying pipe 2 and improving the reliability of the device for cutting and crushing the dirt.

[0025] Example 2

[0026] On the basis of Example 1, Figure 3 As shown, a sewage pump cutting device of the utility model, the crushing device comprises a plurality of support shafts 12, a plurality of first spur gears 13, a second spur gear 14 and a plurality of third blades 15, the plurality of support shafts 12 are rotatably mounted on the top of the cylinder 1, the plurality of support shafts 12 are respectively mounted on the top of the plurality of support shafts 12, the second spur gear 14 is mounted on the outer side wall of the sleeve 7, and the second spur gear 14 is meshed with the plurality of first spur gears 13, and the plurality of third blades 15 are respectively mounted on the outer side walls of the plurality of support shafts 12;

[0027] like Figure 3 As shown, the power device includes a motor 16 and a third bevel gear 17, the motor 16 is mounted on the top of the cylinder 1, the third bevel gear 17 is mounted on the output end of the motor 16, and the third bevel gear 17 is meshed with the first bevel gear 10 and the second bevel gear 11;

[0028] like Figure 2 As shown, it also includes multiple groups of filter screens 18, and the multiple groups of filter screens 18 are respectively connected and arranged on the input ends of the multiple groups of delivery pipes 2;

[0029] like Figure 1 As shown, it also includes a flange 19, which is arranged at the entrance of the bottom end of the cylinder 1;

[0030] like Figure 1 As shown, it also includes multiple groups of inspection ports 20, which are respectively arranged on the outer side walls of the multiple groups of conveying pipes 2;

[0031] In this embodiment, the first bevel gear 10 and the second bevel gear 11 are driven by a power device to rotate in opposite directions, so that the first bevel gear 10 and the second bevel gear 11 respectively drive the sleeve 7 and the rotating shaft 8 to rotate in opposite directions, so that the sleeve 7 drives the sleeve 6 to rotate through the connecting rod 9, and after the sleeve 6 rotates, it drives multiple groups of second blades 5 to rotate clockwise, so that the rotating shaft 8 drives multiple groups of first blades 4 to rotate counterclockwise, and the dirt is cut and crushed after the multiple groups of first blades 4 and the multiple groups of second blades 5 rotate in opposite directions, thereby improving the cutting effect of the dirt, and after the sleeve 7 rotates, it drives the second spur gear 14 to rotate, and the second spur gear 14 drives the multiple groups of support shafts 12 to rotate by meshing with the multiple groups of first spur gears 13, so that the multiple groups of support shafts 12 drive the multiple groups of third blades 15 to rotate, so that the multiple groups of third blades 15 cut and crush the dirt for the second time.

[0032] The utility model discloses a sewage pump cutting device. When the sewage enters through the air inlet at the bottom end of the cylinder 1, the driving device drives the plurality of first blades 4 and the plurality of second blades 5 to rotate in opposite directions, so that the plurality of first blades 4 and the plurality of second blades 5 cut and crush the dirt in the sewage. The crushed dirt and sewage are transported to the inside of the delivery box 3 through the plurality of delivery pipes 2. The sewage in the delivery box 3 is further transported and processed by the sewage pump, and the dirt entering the cylinder 1 is cut and crushed for a second time by the crushing device.

[0033] The motor 16 of the sewage pump cutting device of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technicians in the field to make creative efforts.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sewage pump cutting device, comprising a barrel (1) and a plurality of delivery pipes (2), wherein the plurality of delivery pipes (2) are connected and arranged at the upper part of the outer wall of the barrel (1), and an inlet is arranged at the bottom end of the barrel (1); characterized in that: The invention also comprises a driving device, a crushing device, a conveying box (3), a plurality of groups of first blades (4) and a plurality of groups of second blades (5); the output ends of the plurality of conveying pipes (2) are all connected to the conveying box (3); the top end of the conveying box (3) is connected to the input end of the sewage pump; the plurality of groups of first blades (4) and the plurality of groups of second blades (5) are all mounted on the driving device, and the plurality of groups of first blades (4) and the plurality of groups of second blades (5) are arranged in an alternating manner; the driving device is used to drive the plurality of groups of first blades (4) and the plurality of groups of second blades (5) to rotate in opposite directions; the crushing device is arranged inside the cylinder (1); and the crushing device is used to crush the dirt for a second time.

2. A sewage pump cutting device as claimed in claim 1, characterized in that: The driving device comprises a power device, a sleeve (6), a sleeve (7), a rotating shaft (8), a connecting rod (9), a first bevel gear (10) and a second bevel gear (11); the sleeve (6) is rotatably mounted on the inner wall of the cylinder (1); a plurality of groups of second blades (5) are mounted on the outer wall of the sleeve (6); the sleeve (7) is rotatably mounted on the top of the inner wall of the cylinder (1); the rotating shaft (8) rotates through the inside of the sleeve (7); a plurality of groups of first blades (4) are mounted on the outer wall of the rotating shaft (8); the connecting rod (9) is mounted on the outer wall of the sleeve (7); an end of the connecting rod (9) is connected to the outer wall of the sleeve (6); the first bevel gear (10) is mounted on the outer wall of the sleeve (7); the second bevel gear (11) is mounted on the outer wall of the rotating shaft (8); and the power device is arranged on the cylinder (1); the power device is used to drive the first bevel gear (10) and the second bevel gear (11) to rotate in opposite directions.

3. A sewage pump cutting device as claimed in claim 1, characterized in that: The crushing device comprises a plurality of groups of support shafts (12), a plurality of groups of first spur gears (13), a second spur gear (14) and a plurality of groups of third blades (15); the plurality of groups of support shafts (12) are rotatably mounted on the top of the cylinder (1); the plurality of groups of support shafts (12) are respectively mounted on the top of the plurality of groups of support shafts (12); the second spur gears (14) are mounted on the outer side wall of the sleeve (7); the second spur gears (14) are meshed with the plurality of groups of first spur gears (13); and the plurality of groups of third blades (15) are respectively mounted on the outer side walls of the plurality of groups of support shafts (12).

4. A sewage pump cutting device as claimed in claim 2, characterized in that: The power device comprises a motor (16) and a third bevel gear (17), wherein the motor (16) is mounted on the top of the cylinder (1), the third bevel gear (17) is mounted on the output end of the motor (16), and the third bevel gear (17) is meshed with the first bevel gear (10) and the second bevel gear (11).

5. A sewage pump cutting device as claimed in claim 1, characterized in that: It also comprises a plurality of groups of filter screens (18), wherein the plurality of groups of filter screens (18) are respectively connected and arranged on the input ends of the plurality of groups of conveying pipes (2).

6. A sewage pump cutting device as claimed in claim 1, characterized in that: It also comprises a flange (19), which is arranged at the inlet at the bottom end of the cylinder (1).

7. A sewage pump cutting device as claimed in claim 1, characterized in that: It also comprises a plurality of inspection openings (20), wherein the plurality of inspection openings (20) are respectively arranged on the outer side walls of the plurality of delivery pipes (2).

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