CN111706523A

CN111706523A - Long-life sewage pump not prone to failure

Info

Publication number: CN111706523A
Application number: CN202010212048.4A
Authority: CN
Inventors: 叶金巍
Original assignee: Gallop Metal Product Co ltd In Ninghai
Current assignee: Taizhou Gaosheng Electromechanical Manufacturing Co ltd
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2020-09-25
Anticipated expiration: 2038-03-28
Also published as: CN108457869B; CN111706523B; CN108457869A

Abstract

The invention discloses a long-life sewage pump not prone to failure, which comprises a pump body, a driving device arranged in the pump body, a feeding device and a crushing device, wherein the feeding device and the crushing device are connected with the driving device; the feeding device is provided with a main shaft, and the filter screen is provided with a through hole for the main shaft to pass through; and the through hole is provided with an object blocking part which can fill the gap between the main shaft and the inner wall of the through hole so as to prevent impurities from passing through the gap between the main shaft and the inner wall of the through hole. According to the invention, through the arrangement of the blocking part, the gap between the through hole and the main shaft can be effectively filled, solid particles are prevented from entering the pump body from the gap, the pump body is ensured not to be damaged, the failure rate of the pump body is reduced, and the service life of the pump body is prolonged.

Description

Long-life sewage pump not prone to failure

Technical Field

The invention belongs to the technical field of pollution discharge, and particularly relates to a long-service-life pollution discharge pump which is not easy to break down.

Background

The long-life sewage pump is a pump product which is connected with a motor and simultaneously submerged to work under liquid, and has compact structure and small occupied area compared with a common horizontal pump or a vertical sewage pump. The installation and maintenance are convenient, the large-scale long-life sewage pump is generally provided with an automatic coupling device to carry out automatic installation, and the installation and the maintenance are very convenient. However, in order to avoid the blockage of the pump body caused by the solid particles in the sewage entering the pump body, the traditional long-life sewage pump usually has a filter screen arranged at the water inlet of the pump body. But because be equipped with in the pump body and be used for driving impeller pivoted axle, and this axle needs to pass the filter screen to can have the clearance between the through-hole that the confession axle that sets up on the filter screen passed and the axle, and then few part solid particle in the sewage still can enter into the pump body through this clearance in, cause the pump body to damage, pump body fault rate is high.

Disclosure of Invention

The invention provides a long-service-life sewage pump which is not easy to break down in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: in order to achieve the purpose, the invention adopts the following technical scheme: a long-life sewage pump not easy to break down comprises a pump body, a driving device arranged in the pump body, a feeding device and a crushing device connected with the driving device; the feeding device is provided with a main shaft, and the filter screen is provided with a through hole for the main shaft to pass through; and the through hole is provided with an object blocking part which can fill the gap between the main shaft and the inner wall of the through hole so as to prevent impurities from passing through the gap between the main shaft and the inner wall of the through hole. According to the invention, solid particles in sewage can be crushed by the arranged crushing device, meanwhile, the sewage can be preliminarily filtered, and after the sewage is preliminarily filtered by the crushing device, the sewage is secondarily filtered by the filter screen above the crushing device, so that the solid particles in the sewage are prevented from entering the sewage pump with long service life, and the device in the sewage pump with long service life is prevented from being damaged; secondly, through the setting of keeping off the thing part, can effectively fill the clearance between through-hole and the main shaft, avoid solid particle to enter into the pump body by this clearance in, guarantee that the pump body can not appear damaging, reduce the pump body fault rate, prolong the life of the pump body.

Furthermore, the object blocking part comprises an annular connecting piece matched with the inner wall and a circle of bristles arranged on the connecting piece, and the end parts of the bristles are abutted against the outer wall of the main shaft; the brush hair is comparatively soft to come to pack the clearance through the brush hair, can realize good stopping to the solid particle, can avoid producing great resistance again, can not lead to the fact the influence to the rotation of main shaft.

Furthermore, the connecting piece is provided with a ring groove for the inner wall of the through hole to penetrate through, the inner wall of the through hole extends upwards to form an anti-falling convex part, and the inner wall of the ring groove is provided with a groove matched with the anti-falling convex part; through the setting of anticreep convex part and recess for the connecting piece is more firm with filtering the connection between the king, is difficult for taking place to drop, equipment long service life.

Further, the connecting piece is made of plastic; has certain deformability, is convenient to assemble and is convenient for installing the bristles.

Furthermore, a sealing layer made of flexible materials is bonded on the inner wall of the ring groove; through the setting of sealing layer, carry out sealing treatment to the junction of connecting piece and filter screen, the granule in the sealed aquatic gets into the pump body from gap between them, has further reduced the fault rate of the pump body.

Furthermore, the grinding device comprises a transmission assembly matched with the main shaft, a grinding cylinder and a rotating assembly for driving the grinding cylinder to rotate; the transmission assembly is driven to rotate through the rotation of the main shaft, so that the rotation assembly is driven to rotate through the transmission of the transmission assembly, and the working of the crushing device is realized; and the crushing device is set as a rolling cylinder, can well crush the garbage with high hardness such as gravel, and can effectively avoid the crushing device from being damaged and prolong the service life of the whole equipment by adopting a structure such as blade crushing.

Furthermore, the transmission assembly comprises a first gear arranged on the main shaft, a transmission belt matched with the first gear, a second gear and a third gear matched with the transmission belt, a first connecting rod penetrating through the second gear, a second connecting rod penetrating through the third gear and a positioning assembly for fixing the second gear and the third gear; the first gear is driven to rotate through the rotation of the main shaft, so that the driving belt is driven to rotate, the driving belt can drive the second gear and the third gear to rotate, the work of the transmission assembly is realized, and further, an additional power source is not required to be arranged in the pump body to drive the crushing barrel, so that the operation of pollution discharge and garbage crushing can be realized under the driving of one power source, the energy consumption is reduced, and the energy conservation and environmental protection are realized; the power transmission is realized through gear transmission, the structural matching is stable, the fault condition is not easy to occur, and the fault rate is low; make second gear and third gear connection in the pump body through first connecting rod and the second connecting rod that sets up, prevent that the gear is in unsettled state, influence the use of device.

Furthermore, the feeding device comprises a feeding roller and an impeller, and the feeding roller is arranged in a spiral structure; the rotating shaft is driven to rotate through the driving piece, so that the material conveying roller and the impeller are driven to rotate, and sewage is conveyed from the water drainage port through the material conveying roller and the impeller.

In summary, the invention has the following advantages: through the setting of keeping off the thing part, can effectively fill the clearance between through-hole and the main shaft, avoid solid particle to enter into the pump body by this clearance in, guarantee that the pump body can not appear damaging, reduce the pump body fault rate, prolong the life of the pump body.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view at C in fig. 1.

Fig. 3 is an enlarged view of fig. 2 at D.

Fig. 4 is an enlarged view of a point a in fig. 1.

Fig. 5 is an enlarged view at B in fig. 4.

FIG. 6 is a schematic view of the engagement between the belt and the first, second and third gears of the present invention.

Fig. 7 is a schematic diagram of the engagement of the gears on the two milling drums of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-7, a long-life sewage pump which is not easy to malfunction comprises a pump body 1, a driving device 2, a feeding device 3 and a crushing device 4; the driving device 2 is arranged in the pump body 1, wherein the driving device 2 is connected with the feeding device 3, and the crushing device 4 is used for crushing solid particles and garbage in water; the driving device 2 comprises a driving piece 21 and a rotating shaft 22, the driving piece 21 is a motor purchased from the market, and the rotating shaft 22 is fixedly connected with an output shaft of the motor; the feeding device 3 comprises a feeding roller 31 and an impeller 32 which are arranged on the rotating shaft 22, the feeding roller 31 is arranged in a spiral structure, the lower part of the feeding roller 31 is fixedly connected with a main shaft 41 made of metal, the impeller 32 is arranged on the main shaft 41, and a circular through hole for the main shaft 41 to pass through is arranged on the filter screen 45; in order to avoid that impurities pass through the gap between the spindle 41 and the inner wall of the through hole, a stopper member is arranged on the through hole, and the gap between the spindle 41 and the inner wall of the through hole is filled through the stopper member.

Specifically, the blocking part comprises a connecting piece 61 and bristles 62 made of plastic, the bristles 62 are nylon bristles and are fixedly arranged on the inner circumferential surface of the connecting piece in a circle, and when the main shaft penetrates through the through hole, the end parts of the bristles 62 are abutted against the outer wall of the main shaft 41; the connecting piece 61 is of an annular structure, and the connecting piece 61 is provided with a ring groove 611 for the inner wall of the through hole to penetrate; preferably, a circle of anti-falling convex parts 451 are formed by extending upwards the inner wall of the through hole, and a groove 612 matched with the anti-falling convex parts is arranged on the inner wall of the ring groove; further, a sealing layer 63 made of a flexible material is adhered to the inner wall of the ring groove 611, and the sealing layer 63 is made of rubber.

The grinding device 4 comprises a main shaft 41, a transmission assembly 42, a grinding cylinder 43, a rotating assembly 44 and a filter screen 45 made of stainless steel, wherein the grinding cylinder 43 is a toothed roller made of metal purchased from the market; the transmission assembly 42 is in transmission fit with the main shaft 41, and the transmission assembly 42 is driven to rotate by the rotation of the main shaft 41, so that the rotation assembly 44 is driven to rotate by the transmission of the transmission assembly 42, and the grinding device 4 works; the rotating assembly 44 is used for driving the milling drums 43 to rotate, a water outlet 12 is formed in the side wall of the pump body 1, a water inlet 13 is formed in the bottom of the pump body 1, the milling drums 43 are arranged at the water outlet 12, the number of the milling drums 43 is two, the two milling drums 43 are arranged in parallel, a gear 431 is respectively arranged at the left end and the right end of each milling drum 43, the gears between the two milling drums 43 are meshed with each other, and when one milling drum 43 rotates, the other milling drum 43 can be driven to rotate together; when the water inlet 13 enters sewage, the solid particles at the water inlet 13 are crushed by the two crushing barrels 43 arranged at the water inlet 13, so that the solid particles are prevented from entering the pump body 1 and blocking devices in the pump body 1; the filter screen 45 is arranged above the crushing device 4; the arranged crushing device 4 can crush solid particles in the sewage and can simultaneously carry out primary filtration on the sewage; after the sewage is primarily filtered by the crushing device 4, the sewage is secondarily filtered by the filter screen 45 above the crushing device 4, so that solid particles in the sewage are prevented from entering the long-life sewage pump, and devices in the long-life sewage pump are prevented from being damaged, so that the use is influenced; and the crushing device is set as a rolling cylinder, can well crush the garbage with high hardness such as gravel, and can effectively avoid the crushing device from being damaged and prolong the service life of the whole equipment by adopting a structure such as blade crushing.

Further, the transmission assembly 42 includes a first gear 421, a transmission belt 422 and two sets of gear assemblies, which are respectively disposed on the left and right sides of one of the rolling cylinders 43 and are used for jointly driving the rolling cylinders 43 to rotate; specifically, the gear assembly comprises a second gear 423, a third gear 424, a first connecting rod 425 made of stainless steel, a second connecting rod 426 made of stainless steel and a positioning assembly; the first gear 421 is fixedly sleeved on the main shaft 41; the first connecting rod 425 is rotatably arranged in the pump body, and the second gear 423 is fixedly sleeved on the first connecting rod 425; the third gear 424 is rotatably sleeved on the second connecting rod 426, the transmission belt 422 is a chain belt, and the transmission belt 422 is sleeved on the first gear, the second gear and the third gear, so that the three gears are in transmission connection; preferably, the chain belt is made of stainless steel, and the first gear, the second gear and the third gear are made of stainless steel and are not easy to rust; through the arrangement of the transmission assembly 42, the crushing barrel is driven without arranging an additional power source in the pump body, so that the operation of pollution discharge and garbage crushing can be realized under the driving of one power source, the energy consumption is reduced, and the energy conservation and environmental protection are realized; and realize power transmission through gear drive, the structural coordination is stable, the condition of difficult trouble appears, and the fault rate is low.

The positioning assembly comprises a first fixing plate 51 made of stainless steel, a first bearing 52, a second fixing plate 53 made of stainless steel, a first limiting member 551 and a second limiting member 552; the first fixing plate 51 is fixedly connected in the pump body, and the first connecting rod 425 penetrates through the first fixing plate 51, so that the first connecting rod 425 is positioned through the first fixing plate 51; the first bearing 52 is sleeved on the first connecting rod 425 to reduce the friction force between the first connecting rod 425 and the first fixing plate 51; the second fixing plate 53 is fixedly connected in the pump body, and the second connecting rod 426 can penetrate through the second fixing plate 53; preferably, a strip-shaped slot is formed in the second fixing plate 53, and the second connecting rod can move in the strip-shaped slot, so that the position of the third gear can be adjusted; the first limiting member 551 and the second limiting member 552 are both nuts disposed on the second connecting rod, the second connection is a stainless steel screw rod, the first limiting member 551 is disposed at a position of the second connecting rod corresponding to the upper side of the second fixing plate 53, and the second limiting member 552 is disposed at a position corresponding to the lower side of the second connecting rod; when the second limiting piece is unscrewed, the first limiting piece is still positioned above the second fixing plate, so that the second connecting rod cannot fall downwards from the second fixing plate, and the second connecting rod is well positioned; at the moment, the second connecting rod is moved to adjust the position of the third gear, so that the tension degree of the transmission belt 422 is adjusted, and the phenomenon that the transmission belt 422 is loosened after the device is used for a long time is prevented; after the conveyor belt is tensioned, the second limiting part is screwed, so that the second limiting part is tightly pressed on the second fixing plate, the position of the second connecting rod can be fixed, and the second connecting rod is effectively prevented from shifting in the working process.

The rotating assemblies 44 are also arranged in two groups, are respectively arranged on the left side and the right side of the rolling cylinder 43 and are respectively matched with the two groups of gear assemblies; the third connecting rod 441 is a cylindrical rotating shaft formed by extending the end of the rolling cylinder 43 outwards, a stainless steel positioning plate is fixedly arranged on the pump body, the third connecting rod 441 penetrates into the positioning plate to position the third connecting rod, the third bearing 442 is sleeved on the third connecting rod 441, and the friction force between the third connecting rod 441 and the positioning plate is reduced through the third bearing 442; the fourth gear 444 is fixedly sleeved on the first connecting rod 425, the fifth gear 445 is fixedly sleeved on the third connecting rod 443, and the fourth gear 444 and the fifth gear 445 are both bevel gears made of stainless steel and are meshed with each other, so that the rotation of the fourth gear 444 in the transverse direction can be converted into the rotation of the fifth gear 445 in the longitudinal direction, and the milling drum 43 is driven to rotate.

Preferably, the left side and the right side of the bottom of the pump body 1 extend outwards to form two convex parts 11, and the partial transmission assembly 42 and the rotating assembly 44 are arranged in the convex parts 11; the upper wall of the convex part 11 is provided with a strip-shaped chute, the end part of the second connecting rod 426 penetrates into the chute and can move back and forth in the chute, so that the second connecting rod is guided and positioned at two positions through the chute and the slots on the second fixing plate, and the second connecting rod is prevented from turning or position deviation when moving.

The rotating shaft 22 is driven to rotate by the driving part 21, so that the feeding roller 31 and the impeller 32 are driven to rotate, and the sewage is conveyed from the water outlet 12 through the feeding roller 31 and the impeller 32; simultaneously, main shaft 41 takes place to rotate, drives first gear 421 and rotates, first gear 421 passes through drive belt 422 transmission second gear and rotates, the first connecting rod of second gear drive rotates, first connecting rod drives the fourth gear and rotates, fourth gear drive fifth gear rotates, fifth gear rotates and drives one of them section of thick bamboo 43 of rolling and rotates, this section of thick bamboo 43 of rolling is through another section of thick bamboo 43 of rolling of gear drive and this section of thick bamboo 43 of rolling and is realized the antiport, thereby carry out the breakage to the debris that contain in the aquatic that gets into in the pump body.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A long-life sewage pump not prone to failure comprises a pump body (1), a driving device (2), a feeding device (3) connected with the driving device (2), a crushing device (4) and a filter screen (45) arranged above the crushing device (4); a main shaft (41) is arranged on the feeding device (3), and a through hole for the main shaft (41) to pass through is formed in the filter screen (45); the method is characterized in that: the through hole is provided with a blocking part which can fill the gap between the main shaft (41) and the inner wall of the through hole so as to prevent sundries from passing through the gap between the main shaft (41) and the inner wall of the through hole; the object blocking part comprises an annular connecting piece (61) matched with the inner wall and a circle of bristles (62) arranged on the connecting piece, and the end parts of the bristles (62) are abutted against the outer wall of the main shaft (41); the grinding device (4) comprises a transmission assembly (42) matched with the main shaft (41), a grinding cylinder (43) and a rotating assembly (44) driving the grinding cylinder (43) to rotate; the transmission assembly (42) is in transmission fit with the spindle (41), the transmission assembly (42) is driven to rotate through the rotation of the spindle (41), and therefore the rotation assembly (44) is driven to rotate through the transmission of the transmission assembly (42); the transmission assembly (42) comprises a first gear (421) arranged on the main shaft (41), a transmission belt (422) matched with the first gear (421) and a gear assembly, the gear assembly comprises a second gear (423) and a third gear (424) matched with the transmission belt (422), a first connecting rod (425) penetrating through the second gear (423), a second connecting rod (426) penetrating through the third gear (424) and a positioning assembly used for fixing the second gear (423) and the third gear (424); the gear assemblies are arranged into two groups, are respectively arranged on the left side and the right side of one rolling cylinder (43) and are used for jointly driving the rolling cylinder (43) to rotate; the positioning assembly comprises a second fixing plate (53) matched with the second connecting rod (426), a first limiting piece (551) in threaded connection with the second connecting rod (426) and a second limiting piece (552) in threaded connection with the second connecting rod (426); the pump body (1) comprises a convex part (11) and a sliding groove (14) arranged on the convex part (11); the end of the second connecting rod (426) penetrates into the sliding chute (14); a strip-shaped slot is formed in the second fixing plate (53), and the second connecting rod (426) can move in the strip-shaped slot; the first gear (421) is positioned below the filter screen (45), and the diameter of the first gear (421) is larger than that of a through hole on the filter screen (45); the connecting piece (61) is made of plastic; the feeding device (3) comprises a feeding roller (31) and an impeller (32), and the feeding roller (31) is arranged in a spiral structure; be equipped with the confession on connecting piece (61) annular (611) that the through-hole inner wall penetrated, the through-hole inner wall upwards extends and is formed with anticreep convex part (451), be equipped with on the annular inner wall with this anticreep convex part matched with recess (612).

2. A long life waste pump not prone to failure as claimed in claim 1, wherein: and a sealing layer (63) made of flexible material is bonded on the inner wall of the annular groove (611).