CN217518801U

CN217518801U - Crushing mechanism and sewage pump thereof

Info

Publication number: CN217518801U
Application number: CN202221398305.9U
Authority: CN
Inventors: 谢建伟; 杨华伟; 袁钧婷
Original assignee: Yuelian Electromechanical Co ltd
Current assignee: Yuelian Electromechanical Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-30
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a broken mechanism and dredge pump thereof, a broken mechanism includes the casing, actuating mechanism and crushing sword, the casing is used for installing in the dredge pump, be equipped with infusion mouth and leakage fluid dram on the casing, be equipped with in the casing and be used for supplying the filterable filter plate of sewage, actuating mechanism installs on the casing, crushing sword is located the casing and is connected with actuating mechanism, actuating mechanism is used for the drive to smash the sword and rotates, crushing sword is used for broken impurity, and crushing sword is located one side of filter plate towards the leakage fluid dram. And the crushing mechanism is arranged on the sewage pump. The filter screen plate is used for intercepting part of large-particle hard solids and limiting the large-particle hard solids from entering the shell. The driving mechanism drives the crushing knife to rotate, and then the crushing knife crushes hard solids with small particle sizes, fibers and the like, and then the hard solids enter the sewage pump under the action of the suction force of the sewage pump. The sewage impurity which is easy to block the sewage pump is broken and then is sent into the sewage pump, so that the aim of blocking the sewage pump is fulfilled.

Description

Crushing mechanism and sewage pump thereof

Technical Field

The application relates to the field of sewage pumps, in particular to a crushing mechanism and a sewage pump thereof.

Background

The sewage pump is a pump and motor connected body, and is used for submerged pump products, and generally includes vertical sewage pump and horizontal sewage pump.

Because the impurity such as hard solid, fibre and the mud that contains the volume on the large side usually in the liquid of dredge pump transport, hard solid piles up in pump body pipeline easily, and the fibre takes place the winding with motor rotor easily, and the great removal rate in pump body pipeline of mud stickness is slower, and it all causes pump body pipeline to take place to block up easily to go up, and then leads to dredge pump motor to transship, burns out the motor even when serious.

SUMMERY OF THE UTILITY MODEL

In order to make the difficult emergence of dredge pump block up, this application provides a broken mechanism and dredge pump thereof.

In a first aspect, the present application provides a crushing mechanism, which adopts the following technical scheme:

the utility model provides a broken mechanism, includes casing, actuating mechanism and crushing sword, the casing is used for installing in the dredge pump, be equipped with infusion mouth and leakage fluid dram on the casing, the leakage fluid dram is used for the dirty mouthful intercommunication of advancing with the dredge pump, be equipped with in the casing and be used for supplying the filterable filter plate of sewage, actuating mechanism installs on the casing, crushing sword is located the casing and is connected with actuating mechanism, actuating mechanism is used for the drive to smash the sword and rotates, crushing sword is used for broken impurity, just crushing sword is located one side of filter plate towards the leakage fluid dram.

Through adopting above-mentioned technical scheme, install crushing mechanism on the dredge pump. Sewage enters the shell through the infusion port and firstly passes through the filter screen plate, the filter screen plate intercepts partial large-particle hard solids to limit the large-particle hard solids from entering the shell, and meanwhile, the filter screen plate crushes the soil bonded together. The sewage contacts with the crushing cutter after passing through the filter screen plate, the driving mechanism drives the crushing cutter to rotate, and then the crushing cutter crushes hard solids, fibers and the like with small particle sizes, and then the crushed solid enters the sewage pump under the action of the suction force of the sewage pump. The sewage impurity which is easy to block the sewage pump is broken and then is sent into the sewage pump, so that the aim of difficult blocking of the sewage pump is fulfilled.

Preferably, actuating mechanism includes driving motor and gear chain drive assembly, driving motor installs in the casing, arbitrary gear coaxial coupling in the gear chain drive assembly is in driving motor's motor shaft, other gears in the gear chain drive assembly are located the casing and rotate with the casing and be connected, other gears in the gear chain drive assembly are connected with crushing sword and order about crushing sword rotation.

Through adopting above-mentioned technical scheme, the chain transmits driving motor's power to the gear, and the gear orders about crushing sword and rotates, and simple structure is convenient for realize. Through setting up a plurality of gears, and then set up a plurality of crushing sword, be convenient for improve broken degree according to different blowdown scenes.

Preferably, the crushing cutter further comprises an elastic buffer part, the elastic buffer part is positioned on one side of the filter screen plate facing the liquid outlet, and the elastic buffer part is arranged on the inner wall of the shell along the radial direction of the rotation axis of the crushing cutter.

Through adopting above-mentioned technical scheme, the tiny solid that produces through smashing the sword is splashed to shells inner wall along smashing the sword under inertial action, cushions the tiny solid of high-speed motion through elastic buffer, reduces the mechanical damage to the casing production.

Preferably, the inner wall of the shell is coaxially connected with a mounting ring, and the filter screen plate is connected to one side of the mounting ring, which is far away from the liquid outlet, through bolts.

Through adopting above-mentioned technical scheme, realize filtering the otter board demountable installation in the casing, change the filtration otter board of different aperture sizes according to different use scenes to better interception stereoplasm solid. Meanwhile, after the filter screen plate is taken out from the shell, the crushing knife is convenient to clean.

Preferably, the casing includes infusion portion and crushing portion that communicate each other, the infusion mouth is located infusion portion, the leakage fluid dram is located crushing portion, one side of collar is connected in the end of crushing portion towards infusion portion, the inner periphery of infusion portion is connected in the periphery of collar.

Through adopting above-mentioned technical scheme, improve the joint strength of collar for the collar is difficult to warp under the water impact, improves and filters the otter board and connect the reliability, guarantees to filter the otter board and can intercept large granule stereoplasm solid smoothly, and further makes the difficult emergence of casing deform.

Preferably, the outer periphery of the shell is provided with an elastic abutting ring, the elastic abutting ring is positioned on one side close to the liquid outlet, and the elastic abutting ring is used for abutting against the inner periphery of the sewage inlet of the sewage pump.

Through adopting above-mentioned technical scheme, realize that the casing can dismantle to be connected in the dredge pump, according to different blowdown scenes, whether select to install broken mechanism, improve the blowdown efficiency of dredge pump.

Preferably, the opening end part of the liquid outlet is provided with a supporting part, the supporting part is embedded into the vertical sewage pump body and is abutted against the inner wall of the sewage pump body, and the supporting part has elasticity.

Through adopting above-mentioned technical scheme, because the dirty mouthful of advancing of vertical dredge pump is located the below, when installing the dredge pump with the casing, the supporting part passes into dirty mouthful and stretches into in the dredge pump body, and then the supporting part under the action of casing gravity with dredge pump body inner wall butt, improve and be connected the reliability between casing and the dredge pump, improve the sealed degree of the junction between casing and the dredge pump simultaneously.

Preferably, be equipped with a plurality of infusion mouths on the casing, some the infusion mouth is located casing ascending one end in the axial, another part the infusion mouth is located casing week side.

By adopting the technical scheme, sewage can conveniently enter the shell, and partial solid flows out from the infusion port at one end of the axial direction of the shell under the action of gravity.

In a second aspect, the present application provides a dredge pump, which adopts the following technical scheme:

the utility model provides a sewage pump, includes the pump body, footing and foretell broken mechanism, be equipped with into dirty mouthful and drain on the pump body, it is located the lower extreme of the pump body to advance dirty mouthful, footing connection just is used for supporting the pump body in the lower extreme of the pump body.

Through adopting above-mentioned technical scheme, realize the purpose of blowdown, through the dirty mouthful of advancing and the footing that pump body below set up, realize installing the purpose in vertical dredge pump with broken mechanism.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the crushing mechanism is mounted on the sewage pump. Sewage enters the shell through the infusion port and firstly passes through the filter screen plate, the filter screen plate intercepts partial large-particle hard solids to limit the large-particle hard solids from entering the shell, and meanwhile, the filter screen plate crushes the soil bonded together. The sewage contacts with the crushing cutter after passing through the filter screen plate, the driving mechanism drives the crushing cutter to rotate, and then the crushing cutter crushes hard solids, fibers and the like with small particle sizes, and then the crushed solid enters the sewage pump under the action of the suction force of the sewage pump. The sewage impurity which is easy to block the sewage pump is broken and then is sent into the sewage pump, so that the aim of blocking the sewage pump is fulfilled.

2. The chain transmits the power of the driving motor to the gear, and the gear drives the crushing knife to rotate, so that the structure is simple and the realization is convenient. Through setting up a plurality of gears, and then set up a plurality of crushing sword, be convenient for improve broken degree according to different blowdown scenes.

Drawings

Fig. 1 is a schematic structural view of a sewage pump in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a crushing mechanism in an embodiment of the present application.

Fig. 3 is an exploded view of a crushing mechanism in an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic view of the internal structure of the drive mechanism in the embodiment of the present application.

Fig. 6 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 7 is an enlarged view at B in fig. 6.

Description of reference numerals: 1. a pump body; 11. a suction section; 12. a volute chamber; 121. a sewage inlet; 122. a sewage draining outlet; 2. footing; 3. a housing; 31. a transfusion part; 311. an infusion port; 312. a mounting ring; 313. a filter screen plate; 32. a crushing section; 321. a liquid discharge port; 322. a support portion; 33. an elastic abutting ring; 4. a drive mechanism; 41. a drive motor; 42. a gear chain transmission assembly; 421. a gear; 422. a chain; 5. a crushing knife; 6. an installation part; 61. rotating the rod; 7. an elastic buffer part.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Referring to fig. 1, the present embodiment discloses a sewage pump including a pump body 1 and a foot 2. The pump body 1 includes a suction portion 11 and a scroll chamber 12, the suction portion 11 communicates with the scroll chamber 12, and the scroll chamber 12 is located directly below the suction portion 11. The volute chamber 12 is provided with a sewage inlet 121 and a sewage outlet 122, the sewage inlet 121 is positioned on one side of the volute chamber 12 far away from the suction part 11, and the axis of the sewage inlet 121 is vertical to the axis of the sewage outlet 122. The suction part 11 is used to suck the sewage into the scroll 12 through the sewage inlet 121 and discharge the sewage from the sewage outlet 122.

The foot 2 is connected to the end of the sewage inlet opening remote from the suction part 11, and the foot 2 is used for being mounted on a solid body to realize positioning.

Referring to fig. 2 and 3, the embodiment of the present application further discloses a crushing mechanism, and the crushing mechanism is applied to the sewage pump. The crushing mechanism comprises a housing 3, a drive mechanism 4 and a crushing blade 5.

Referring to fig. 3 and 4, the housing 3 includes an infusion part 31 and a pulverization part 32 communicating with each other. The infusion part 31 is a cylinder, a plurality of infusion ports 311 are provided on the infusion part 31, one of the infusion ports 311 is located at one axial end of the infusion part 31, and the other infusion ports 311 are provided on the infusion part 31 at equal intervals in the circumferential direction. The inner wall of the infusion part 31 is coaxially and fixedly connected with a mounting ring 312, and the mounting ring 312 is positioned at one side close to the crushing part 32. The crushing portion 32 is a cylinder, one end of the crushing portion 32 away from the infusion portion 31 is a liquid outlet 321, and one end of the crushing portion 32 away from the liquid outlet 321 is fixedly connected to one end of the mounting ring 312. A filter screen plate 313 for filtering sewage is arranged in the liquid conveying part 31, and the filter screen plate 313 is installed on the installation ring 312 through bolts.

Referring to fig. 5, the driving mechanism 4 is provided in the crushing section 32, and the driving mechanism 4 includes a driving motor 41 and a gear-chain transmission assembly 42. The driving motor 41 is installed in the crushing section 32. The gear chain transmission assembly 42 includes a plurality of gears 421 and a chain 422, wherein one gear 421 is coaxially connected to a motor shaft of the driving motor 41, and the motor shaft of the driving motor 41 is axially disposed along the pulverizing part 32. The crushing portion 32 is provided with an installation portion 6 for installing another gear 421, the installation portion 6 is connected with a plurality of rotating rods 61 in a rotating manner, and the other gear 421 is fixedly connected to the rotating rods 61 and is arranged coaxially with the rotating rods 61. The chain 422 is sleeved on the plurality of gears 421 for transmitting the power of the driving motor 41, and the rotation axes of the plurality of gears 421 are arranged side by side and are parallel to each other.

The crushing blades 5 are provided in a plurality and in one-to-one correspondence with the plurality of gears 421, the crushing blades 5 are coaxially connected to the rotating rod 61, and the crushing blades 5 are used for crushing impurities. In the present embodiment, three gears 421, rotating levers 61, and crushing blades 5 are provided.

A crushing mechanism further comprises an elastic buffer 7. The elastic buffer 7 is a cylindrical body. The elastic buffer part 7 is located in the crushing part 32 and is arranged on the inner wall of the crushing part 32 along the radial direction of the crushing blade 5, and the elastic buffer part 7 is used for buffering fine solid impurities splashed from the crushing blade 5.

Referring to fig. 6 and 7, an elastic abutting ring 33 is sleeved on the opening peripheral side of the liquid discharge port 321, and the elastic abutting ring 33 is used for abutting against the inner periphery of the sewage inlet 121 to realize that the crushing part 32 is detachably connected to the sewage pump.

The opening end of the drain port 321 is provided with a support 322, and the support 322 is inserted into the vortex chamber 12 and contacts the inner wall of the vortex chamber 12. The elastic abutting ring 33 and the supporting portion 322 are made of rubber or silica gel, etc. to have elasticity. In this embodiment, rubber is used for both the elastic abutment ring 33 and the support portion 322.

The implementation principle of a sewage pump in the embodiment of the application is as follows:

the support 322 is fitted into the scroll chamber 12, and the elastic contact ring 33 is brought into contact with the inner periphery of the sewage inlet 121, whereby the crushing mechanism is mounted on the sewage pump.

The driving motor 41 drives sewage to enter the crushing mechanism through the transfusion port 311, the sewage firstly passes through the filter screen plate 313, the filter screen plate 313 intercepts large hard solids outside the crushing part 32, partial fibers and fine particles pass through the filter screen plate 313 and then contact the crushing knife 5, the crushing knife 5 crushes the large hard solids into smaller size and then flows into the volute chamber 12, and finally the smaller small hard solids are discharged from the sewage discharge port 122, so that impurities are not easy to block the sewage discharge pump while sewage is conveyed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A crushing mechanism is characterized in that: including casing (3), actuating mechanism (4) and crushing sword (5), casing (3) are used for installing in the dredge pump, be equipped with transfusion mouth (311) and leakage fluid dram (321) on casing (3), leakage fluid dram (321) are used for with the dirty mouthful (121) intercommunication of advancing of dredge pump, be equipped with in casing (3) and be used for supplying sewage filterable filtration otter board (313), actuating mechanism (4) are installed on casing (3), crushing sword (5) are located casing (3) and are connected with actuating mechanism (4), actuating mechanism (4) are used for driving crushing sword (5) and rotate, crushing sword (5) are used for broken impurity, just crushing sword (5) are located one side of filtering otter board (313) towards leakage fluid dram (321).

2. The crushing mechanism of claim 1, wherein: actuating mechanism (4) are including driving motor (41) and gear chain drive assembly (42), driving motor (41) are installed in casing (3), any gear (421) coaxial coupling in gear chain drive assembly (42) is in the motor shaft of driving motor (41), other gear (421) in gear chain drive assembly (42) are located casing (3) and rotate with casing (3) and are connected, other gear (421) in gear chain drive assembly (42) are connected with crushing sword (5) and are driven crushing sword (5) and rotate.

3. The crushing mechanism of claim 2, wherein: the crushing device is characterized by further comprising an elastic buffer part (7), wherein the elastic buffer part (7) is located on one side, facing the liquid outlet (321), of the filter screen plate (313), and the elastic buffer part (7) is arranged on the inner wall of the shell (3) along the radial direction of the rotation axis of the crushing knife (5).

4. The crushing mechanism of claim 1, wherein: the inner wall of the shell (3) is coaxially connected with a mounting ring (312), and the filter screen plate (313) is connected to one side, deviating from the liquid outlet (321), of the mounting ring (312) through bolts.

5. The crushing mechanism of claim 4, wherein: the casing (3) includes infusion portion (31) and crushing portion (32) that communicate each other, infusion mouth (311) are located infusion portion (31), leakage fluid dram (321) are located crushing portion (32), one side of collar (312) is connected in the tip of crushing portion (32) towards infusion portion (31), the inner periphery of infusion portion (31) is connected in the periphery of collar (312).

6. The crushing mechanism of claim 1, wherein: casing (3) periphery is equipped with elasticity butt ring (33), elasticity butt ring (33) are located the one side of being close to leakage fluid dram (321), just elasticity butt ring (33) are used for with the interior circumference butt of dirty mouthful (121) of advancing of dredge pump.

7. The crushing mechanism of claim 6, wherein: the opening end part of the liquid discharge port (321) is provided with a supporting part (322), the supporting part (322) is embedded into the vertical sewage pump body (1) and is abutted against the inner wall of the sewage pump body (1), and the supporting part (322) has elasticity.

8. The crushing mechanism of claim 1, wherein: the infusion set is characterized in that a plurality of infusion ports (311) are formed in the shell (3), one part of the infusion ports (311) are located at one axial end of the shell (3), and the other part of the infusion ports (311) are located on the peripheral side of the shell (3).

9. A dredge pump, comprising a pump body (1), a foot (2) and the crushing mechanism of any claim from 1 to 8, wherein the pump body (1) is provided with a dredge inlet (121) and a dredge outlet (122), characterized in that: the dirty mouthful (121) are located the lower extreme of pump body (1), footing (2) are connected in the lower extreme of pump body (1) and are used for supporting pump body (1).