CN210317804U

CN210317804U - Submersible sewage pump

Info

Publication number: CN210317804U
Application number: CN201921062996.3U
Authority: CN
Inventors: 刘峰
Original assignee: NANJING LANSAI ENVIRONMENTAL PROTECTION EQUIPMENTCO Ltd
Current assignee: NANJING LANSAI ENVIRONMENTAL PROTECTION EQUIPMENTCO Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-14
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a submersible sewage pump, including casing, sealed cowling, motor, transmission shaft, installation piece and base, its characterized in that: the casing bottom be provided with stand, blow off pipe, the casing outer wall of lower inner chamber on be provided with drain pipe, inlet tube, the sealed cowling set up at the casing top, the motor setting at the interior top of last inner chamber, the transmission shaft top be connected with the motor, the bottom passes bearing on oil pocket, baffle, the filter one in proper order, the bearing on the filter two, the installation piece install on the transmission shaft bottom, the base setting on the stand. The utility model discloses be provided with the sealing ring between transmission shaft and baffle, the motor drives the transmission shaft rotatory, can avoid down sewage in the inner chamber through the sealing ring and flow in the inner chamber between baffle and the transmission shaft, improves the leakproofness between transmission shaft and the baffle, avoids sewage to cause the damage to the motor, improves the leakproofness of dive dredge pump.

Description

Submersible sewage pump

Technical Field

The utility model relates to a dredge pump specifically is a submersible sewage pump.

Background

The submersible sewage pump is widely applied to the field of municipal engineering. The general impeller that drives of motor rotates to reach the discharge purpose through current dive dredge pump, and the discharge object of dive dredge pump is more complicated than general liquid, therefore, the resistance that receives when impeller in the pump body contacts with the discharge object is great, easily make the pivot of motor produce axial displacement, can form great clearance between pivot and the pump cover, lead to the leakproofness between pivot and pump cover to reduce, influence dive dredge pump's normal use, on the other hand, contain more solid impurity in the sewage that dredge pump discharged, if not handle solid impurity, not only can cause the jam of the pump body, also can shorten dredge pump's life.

Disclosure of Invention

The utility model aims at overcoming the problem that the leakproofness that current submersible sewage pump exists is not high, the dredge pump is not good to solid impurity treatment effect, the dredge pump easily blocks up, life is short, providing a structural design is reasonable, sealing performance is high, the dredge pump is good to solid impurity treatment effect, the dredge pump is difficult for blockking up, long service life's submersible sewage pump.

The utility model provides a technical scheme that technical problem taken does:

the utility model provides a submersible sewage pump, includes casing, sealed cowling, motor, transmission shaft, installation piece and base, its characterized in that: the bottom of the shell is provided with a stand column and a blow-off pipe, a partition board is arranged in the shell, the partition board divides the interior of the shell into an upper inner cavity and a lower inner cavity, an oil cavity is arranged in the upper inner cavity, the outer wall of the shell of the lower inner cavity is provided with a drain pipe and a water inlet pipe, a first filter plate and a second filter plate are arranged in the lower inner cavity from top to bottom, bearings and sieve holes are arranged on the first filter plate and the second filter plate, the shell is connected with the drain pipe, the water inlet pipe and the blow-off pipe in a welding manner, the connection strength of the shell with the drain pipe, the water inlet pipe and the blow-off pipe is improved, the sealing cover is arranged at the top of the shell, a hanging ring is arranged on the sealing cover, the sealing cover is connected with the shell in a welding manner, the connection strength and the sealing, the motor is arranged at the inner top of the upper inner cavity, the wire is arranged on the motor and penetrates out of the shell and the sealing cover, the motor is arranged in the shell through bolts, the mounting efficiency and the stability after mounting of the motor are improved, the stability of the motor in the working process is enhanced, the top end of the transmission shaft is connected with the motor, the bottom end of the transmission shaft sequentially penetrates through the oil cavity, the partition plate, the bearing on the first filter plate and the bearing on the second filter plate, the impeller and the crushing knife are arranged on the transmission shaft, the resistance of the transmission shaft in the working process can be reduced through the oil cavity, the rotation rate of the transmission shaft is improved, the impeller and the crushing knife are driven to rotate, the crushing treatment is carried out on solid impurities in sewage, the crushed solid impurities are discharged from the water discharge pipe along with the sewage, the discharge efficiency of the sewage is improved, the mounting block is arranged at the bottom end of, the base setting pass through welded connection with stand and casing, base on the stand, the joint strength between reinforcing stand and casing, the base improves the stability of submersible sewage pump in the course of the work, and then improves the work efficiency of submersible sewage pump.

Preferably, a sealing block is arranged between the lead on the motor and the shell, a sealing plug is arranged between the lead and the sealing cover, the sealing performance between the lead and the shell is improved through the sealing block, the sealing performance between the lead and the sealing cover is improved through the sealing plug, sewage is prevented from flowing into the shell or the sealing cover from between the lead and the shell or between the lead and the sealing cover, the sealing performance of the submersible sewage pump is further improved, and the safety of the submersible sewage pump in the working process is improved.

Preferably, the mesh number of the sieve pores on the first filter plate is larger than that of the sieve pores on the second filter plate, the second filter plate is of an arc structure, sewage carrying impurities enters the lower inner cavity of the shell through the water inlet pipe, the second filter plate can filter larger solid impurities in the sewage to enable the larger solid impurities to stay at the inner bottom of the lower inner cavity, the motor drives the transmission shaft to rotate, the transmission shaft drives the impeller and the crushing knife to rotate, the crushing knife crushes the solid impurities in the sewage between the first filter plate and the second filter plate, the filter plate filters the crushed sewage, the rotating impeller discharges the sewage above the first filter plate from the drain pipe, the working efficiency of the submersible sewage pump is improved, the mesh number of the sieve pores on the first filter plate is larger than that of the sieve pores on the second filter plate, the sewage in the lower inner cavity can be filtered twice, and damage to the impeller caused by the solid impurities is avoided, the life of extension dive dredge pump sets up filter two into the arc structure, can avoid the solid impurity of two below of filter to flow two tops of filter along with the sewage, also enables the solid impurity of two tops of filter and falls to two below of filter through the sieve mesh to through the blow off pipe discharge, reduce solid impurity and produce in dive dredge pump and remain, make the difficult jam of dive dredge pump, improve the work efficiency of dive dredge pump.

Preferably, the sealing ring is arranged between the transmission shaft and the partition plate, the motor drives the transmission shaft to rotate, sewage in the lower inner cavity can be prevented from flowing into the upper inner cavity through the sealing ring between the partition plate and the transmission shaft, the sealing performance between the transmission shaft and the partition plate is improved, the motor is prevented from being damaged by the sewage, and the sealing performance of the submersible sewage pump is improved.

As preferred, the installation piece set up to the structure that can change on the transmission shaft, the motor drives the transmission shaft rotatory, the transmission shaft drives the stirring leaf rotation on installation piece and the installation piece, the stirring leaf flows into sewage through the inlet tube in the inner chamber down, sewage not only can be mixd to the stirring leaf of rotatory in-process, also can carry out preliminary crushing treatment to the solid impurity in the sewage, reduce the volume of solid impurity, be convenient for the emission of sewage, it is connected with the transmission shaft through the screw thread with the installation piece, improve the installation efficiency of installation piece on the transmission shaft and the stability after the installation, according to different impurity in the sewage, select the stirring leaf of suitable structure, improve solid impurity's crushing efficiency and crushing effect, further improve the discharge efficiency of sewage.

As preferred, the blow off pipe on be provided with the valve, through filter one in the inner chamber down, filter two, can carry out twice filtration to the sewage in the inner chamber down, avoid solid impurity to cause the damage to the impeller, the life of extension dive dredge pump, set up filter two into the arc structure, can avoid the solid impurity of two below filters to flow to two tops of filter along with the sewage, also enable the solid impurity of two tops of filter to fall to two below of filter through the sieve mesh, and discharge through the blow off pipe, reduce solid impurity and produce remaining at dive dredge pump, make dive dredge pump be difficult for blockking up, improve dive dredge pump's work efficiency, the life of extension dive dredge pump.

Has the advantages that: the utility model discloses the mesh number of sieve mesh on the filter one is greater than the mesh number of sieve mesh on the filter two, and set up filter two into the arc structure, sewage carries impurity and enters into the lower inner chamber of casing through the inlet tube, filter two can filter the great solid impurity in the sewage, make great solid impurity stop in the inner bottom of inner chamber down, the motor drives the transmission shaft and rotates, the transmission shaft drives the impeller, crushing sword rotates, crushing sword smashes the solid impurity in the sewage between filter one and filter two, the filter filters the sewage after a pair of crushing, the rotatory impeller is discharged the sewage of filter one top from the drain pipe, improve the work efficiency of submersible sewage pump, the mesh number of sieve mesh on the filter one is greater than the mesh number of sieve mesh on the filter two, can filter the sewage in the inner chamber down twice, avoid solid impurity to cause the damage to the impeller, the life of extension dive dredge pump sets up filter two into the arc structure, can avoid the solid impurity of two below of filter to flow two tops of filter along with the sewage, also enables the solid impurity of two tops of filter and falls to two below of filter through the sieve mesh to through the blow off pipe discharge, reduce solid impurity and produce in dive dredge pump and remain, make the difficult jam of dive dredge pump, improve the work efficiency of dive dredge pump.

Drawings

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

Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure between the transmission shaft and the second filter plate.

Fig. 3 is a schematic diagram of another embodiment of the present invention.

In the figure: 1. the device comprises a shell, a sealing cover, a motor, a transmission shaft, a mounting block, a base, a column, a partition plate, an upper inner cavity, a lower inner cavity, a water discharge pipe, a water inlet pipe, a drain pipe, a drainage pipe, a filter plate I, a filter plate II, a valve, a bearing, a sieve hole, a lifting ring 19, a lead wire 20, a sealing block 21, a sealing plug 22, a sealing plug 23, an oil cavity, a sealing ring 24, an impeller 25, a crushing knife 26, a stirring blade 27, a guide plate 28, a counterweight 29 and a water pump.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in figures 1-2: the utility model provides a submersible sewage pump, includes casing 1, sealed cowling 2, motor 3, transmission shaft 4, installation piece 5 and base 6, its characterized in that: the bottom of the shell 1 is provided with a column 7 and a blow-off pipe 13, a baffle plate 8 is arranged in the shell 1, the inside of the shell 1 is divided into an upper inner cavity 9 and a lower inner cavity 10 by the baffle plate 8, an oil cavity 23 is arranged in the upper inner cavity 9, the outer wall of the shell 1 of the lower inner cavity 10 is provided with a drain pipe 11 and a water inlet pipe 12, a first filter plate 14 and a second filter plate 15 are arranged in the lower inner cavity 10 from top to bottom, bearings 17 and sieve pores 18 are respectively arranged on the first filter plate 14 and the second filter plate 15, the shell 1 is connected with the drain pipe 11, the water inlet pipe 12 and the blow-off pipe 13 by welding, the connecting strength of the shell 1 with the drain pipe 11, the water inlet pipe 12 and the blow-off pipe 13 is improved, the sealing cover 2 is arranged at the top of the shell 1, a hanging ring 19 is arranged on the sealing cover 2, the sealing, the submersible sewage pump is convenient to put into sewage or take out of sewage through the hanging ring 19, the working efficiency is improved, the motor 3 is arranged at the inner top of the upper inner cavity 9, the wire 20 is arranged on the motor 3, the wire 20 penetrates out of the shell 1 and the sealing cover 2, the motor 3 is arranged in the shell 1 through bolts, the mounting efficiency and the mounted stability of the motor 3 are improved, the stability of the motor 3 in the working process is enhanced, the top end of the transmission shaft 4 is connected with the motor 3, the bottom end of the transmission shaft sequentially penetrates through the oil cavity 23, the partition plate 8, the bearing 17 on the filter plate I14 and the bearing 17 on the filter plate II 15, the impeller 25 and the crushing knife 26 are arranged on the transmission shaft 4, the resistance force borne by the transmission shaft 4 in the working process can be reduced through the oil cavity 23, the rotation rate of the transmission shaft 4 is improved, the impeller 25 and the crushing knife 26 are driven to rotate, and discharge the solid impurity after will smashing along with sewage from drain pipe 11, improve the emission efficiency of sewage, installation piece 5 install on 4 bottoms of transmission shaft to be provided with stirring leaf 27 on installation piece 5, base 6 set up on stand 7, pass through welded connection with stand 7 and casing 1, base 6, strengthen the joint strength between stand 7 and casing 1, the base 6, improve the stability of submersible sewage pump in the course of the work, and then improve submersible sewage pump's work efficiency.

Preferably, a sealing block 21 is arranged between the lead 20 of the motor 3 and the housing 1, a sealing plug 22 is arranged between the lead 20 and the sealing cover 2, the sealing performance between the lead 20 and the housing 1 is improved by the sealing block 21, the sealing performance between the lead 20 and the sealing cover 2 is improved by the sealing plug 22, sewage is prevented from flowing into the housing 1 or the sealing cover 2 from between the lead 20 and the housing 1 or between the lead 20 and the sealing cover 2, the sealing performance of the submersible sewage pump is further improved, and the safety of the submersible sewage pump in the working process is improved.

Preferably, the mesh number of the sieve pores 18 on the first filter plate 14 is larger than the mesh number of the sieve pores 18 on the second filter plate 15, the second filter plate 15 is arranged to be of an arc structure, sewage carrying impurities enters the lower inner cavity 10 of the shell 1 through the water inlet pipe 12, the second filter plate 15 can filter larger solid impurities in the sewage to enable the larger solid impurities to stay at the inner bottom of the lower inner cavity 10, the motor 3 drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the impeller 25 and the crushing knife 26 to rotate, the crushing knife 26 crushes the solid impurities in the sewage between the first filter plate 14 and the second filter plate 15, the first filter plate 14 filters the crushed sewage, the rotating impeller 25 discharges the sewage above the first filter plate 14 from the drain pipe 11 to improve the working efficiency of the submersible sewage pump, the mesh number of the sieve pores 18 on the first filter plate 14 is larger than the mesh number of the sieve pores 18 on the second filter plate, can carry out twice filtration to the sewage in the inner chamber 10 down, avoid solid impurity to cause the damage to impeller 25, the life of extension dive dredge pump, set up two 15 filter into the arc structure, can avoid the solid impurity of two 15 below filter to flow two 15 tops of filter along with the sewage, the solid impurity that also enables two 15 tops of filter falls two 15 belows of filter through sieve mesh 18, and discharge through blow off pipe 13, it produces remaining at dive dredge pump to reduce solid impurity, make dive dredge pump be difficult for blockking up, improve dive dredge pump's work efficiency.

Preferably, a sealing ring 24 is arranged between the transmission shaft 4 and the partition plate 8, the motor 3 drives the transmission shaft 4 to rotate, sewage in the lower inner cavity 10 can be prevented from flowing into the upper inner cavity 9 between the partition plate 8 and the transmission shaft 4 through the sealing ring 24, the sealing performance between the transmission shaft 4 and the partition plate 8 is improved, the motor 3 is prevented from being damaged by the sewage, and the sealing performance of the submersible sewage pump is improved.

Preferably, installation piece 5 set up to the structure that can change on transmission shaft 4, motor 3 drives transmission shaft 4 rotatory, transmission shaft 4 drives the stirring leaf 27 rotation on installation piece 5 and the installation piece 5, stirring leaf 27 flows into lower inner chamber 10 with sewage through inlet tube 12, stirring leaf 27 in the rotatory process not only can stir sewage, also can carry out preliminary crushing treatment to the solid impurity in the sewage, reduce the volume of solid impurity, be convenient for the emission of sewage, it is connected with transmission shaft 4 through the screw thread with installation piece 5, improve the installation effectiveness of installation piece 5 on transmission shaft 4 and the stability after the installation, according to different impurity in the sewage, select the stirring leaf 27 of suitable structure, improve solid impurity's crushing efficiency and crushing effect, further improve the discharge efficiency of sewage.

As preferred, blow off pipe 13 on be provided with valve 16, through filter one 14 in inner chamber 10 down, filter two 15, can carry out twice filtration to the sewage in inner chamber 10 down, avoid solid impurity to cause the damage to impeller 25, the life of extension dive dredge pump, set up filter two 15 into the arc structure, can avoid the solid impurity of filter two 15 below to flow to filter two 15 tops along with the sewage, also enable the solid impurity of filter two 15 tops and fall to filter two 15 below through sieve mesh 18, and discharge through blow off pipe 13, it produces remaining to reduce solid impurity at the dive dredge pump, make the dive dredge pump difficult to block up, improve the work efficiency of dive dredge pump, the life of extension dive dredge pump.

Example two:

as shown in fig. 3: the utility model provides a submersible sewage pump, includes casing 1, sealed cowling 2, motor 3, transmission shaft 4, installation piece 5 and base 6, its characterized in that: the bottom of the shell 1 is provided with a column 7 and a blow-off pipe 13, a baffle plate 8 is arranged in the shell 1, the inside of the shell 1 is divided into an upper inner cavity 9 and a lower inner cavity 10 by the baffle plate 8, an oil cavity 23 is arranged in the upper inner cavity 9, the outer wall of the shell 1 of the lower inner cavity 10 is provided with a drain pipe 11 and a water inlet pipe 12, a first filter plate 14 and a second filter plate 15 are arranged in the lower inner cavity 10 from top to bottom, bearings 17 and sieve pores 18 are respectively arranged on the first filter plate 14 and the second filter plate 15, the shell 1 is connected with the drain pipe 11, the water inlet pipe 12 and the blow-off pipe 13 by welding, the connecting strength of the shell 1 with the drain pipe 11, the water inlet pipe 12 and the blow-off pipe 13 is improved, the sealing cover 2 is arranged at the top of the shell 1, a hanging ring 19 is arranged on the sealing cover 2, the sealing, the submersible sewage pump is convenient to put into sewage or take out of sewage through the hanging ring 19, the working efficiency is improved, the motor 3 is arranged at the inner top of the upper inner cavity 9, the wire 20 is arranged on the motor 3, the wire 20 penetrates out of the shell 1 and the sealing cover 2, the motor 3 is arranged in the shell 1 through bolts, the mounting efficiency and the mounted stability of the motor 3 are improved, the stability of the motor 3 in the working process is enhanced, the top end of the transmission shaft 4 is connected with the motor 3, the bottom end of the transmission shaft sequentially penetrates through the oil cavity 23, the partition plate 8, the bearing 17 on the filter plate I14 and the bearing 17 on the filter plate II 15, the impeller 25 and the crushing knife 26 are arranged on the transmission shaft 4, the resistance force borne by the transmission shaft 4 in the working process can be reduced through the oil cavity 23, the rotation rate of the transmission shaft 4 is improved, the impeller 25 and the crushing knife 26 are driven to rotate, and discharge the solid impurity after will smashing along with sewage from drain pipe 11, improve the emission efficiency of sewage, installation piece 5 install on 4 bottoms of transmission shaft to be provided with stirring leaf 27 on installation piece 5, base 6 set up on stand 7, pass through welded connection with stand 7 and casing 1, base 6, strengthen the joint strength between stand 7 and casing 1, the base 6, improve the stability of submersible sewage pump in the course of the work, and then improve submersible sewage pump's work efficiency.

As preferred, lower inner chamber 10 in the bottom be provided with guide plate 28, set up guide plate 28 into the arc structure to be connected guide plate 28 and blow off pipe 13, can be with the solid impurity water conservancy diversion in lower inner chamber 10 to blow off pipe 13 in, and discharge solid impurity through blow off pipe 13 fast, reduce solid impurity and produce in casing 1 and remain, avoid causing the jam to submersible sewage pump, improve submersible sewage pump's work efficiency.

Preferably, the base 6 on be provided with the balancing weight 29, improved the weight of submersible sewage pump through balancing weight 29, improve submersible sewage pump stability in the course of the work, further improve submersible sewage pump work efficiency.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The utility model provides a submersible sewage pump, includes casing, sealed cowling, motor, transmission shaft, installation piece and base, its characterized in that: the bottom of the shell is provided with a stand column and a blow-off pipe, a partition board is arranged in the shell, the inside of the shell is divided into an upper inner cavity and a lower inner cavity by the partition board, an oil cavity is arranged in the upper inner cavity, the outer wall of the shell of the lower inner cavity is provided with a water discharge pipe and a water inlet pipe, a first filter plate and a second filter plate are arranged in the lower inner cavity from top to bottom, bearings and sieve meshes are arranged on the first filter plate and the second filter plate, the sealing cover is arranged at the top of the shell and is provided with a hanging ring, the motor is arranged at the inner top of the upper inner cavity, a lead is arranged on the motor and penetrates out of the shell and the sealing cover, the top end of the transmission shaft is connected with the motor, the bottom end of the transmission shaft sequentially penetrates through the oil cavity, the partition board, the bearing on the first filter plate and, and the mounting block is provided with a stirring blade, and the base is arranged on the upright post.

2. The submersible sewage pump of claim 1, wherein: a sealing block is arranged between the lead on the motor and the shell, and a sealing plug is arranged between the lead and the sealing cover.

3. The submersible sewage pump of claim 1, wherein: the mesh number of the sieve pores on the first filter plate is larger than that of the sieve pores on the second filter plate, and the second filter plate is of an arc-shaped structure.

4. The submersible sewage pump of claim 1, wherein: and a sealing ring is arranged between the transmission shaft and the clapboard.

5. The submersible sewage pump of claim 1, wherein: the mounting block is arranged to be replaceable on the transmission shaft.

6. The submersible sewage pump of claim 1, wherein: the drain pipe is provided with a valve.