CN210343720U

CN210343720U - Vertical mud pump

Info

Publication number: CN210343720U
Application number: CN201921285657.1U
Authority: CN
Inventors: 李仁武
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-17
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a vertical mud pump, which relates to the technical field of mud pumps and comprises a motor bracket, wherein a driving motor is connected above the motor bracket through a bolt, and an output shaft of the driving motor is connected with a driving shaft through a coupling; the lower end of the motor support is connected with a bearing sleeve through a bolt, a first bearing is arranged at the upper end of the bearing sleeve, the driving shaft is inserted into the first bearing, a second bearing is arranged at the lower end of the bearing sleeve, the driving shaft penetrates through the second bearing and is limited through the second bearing, the lower end of the bearing sleeve is connected with the supporting tube through a bolt, the lower end of the supporting tube is connected with the volute, the lower end of the driving shaft penetrates through the supporting tube and extends into the volute, and the lower end of the driving shaft is connected with an impeller which is located in the volute. The utility model discloses stable in use, work efficiency is high, noiselessness, durable, easy maintenance.

Description

Vertical mud pump

The technical field is as follows:

the utility model relates to a slush pump technical field especially relates to a vertical slush pump.

Background art:

the mud pump is a pump with special purpose, also called as sewage pump and slurry pump, it is mainly used in water body place with sewage and impurity, and is used for pumping and discharging sewage in building construction, farmland irrigation and enterprise and public work procedures. The vertical slurry pump is one kind of slurry pump, and has vertical main shaft, and is suitable for use in industrial sewage draining station, water distributing system, water draining station, water supplying equipment, etc. in city sewage treating plant.

The vertical slurry pump drives a driving shaft to rotate through a motor, the driving shaft drives an impeller positioned in a volute to rotate, and slurry water is pumped out through the impeller; the bearing is arranged on the outer side of the driving shaft of the vertical slurry pump and is guided by the bearing, the bearing of the existing vertical slurry pump is positioned at the joint of the driving shaft and the impeller, the bearing is positioned under water and soaked in sewage for a long time when the bearing is used, impurities and silt in a water body can enter the bearing, particularly, in the tailing pumping and discharging process of a dressing plant, sand particles in the tailing enter the bearing to cause abrasion damage to balls in the bearing, so that the service life of the bearing in the existing vertical slurry pump is short, the bearing needs to be frequently maintained and replaced in the using process, the maintenance cost is increased, and the working efficiency is reduced.

The utility model has the following contents:

the utility model aims at providing a vertical slush pump solves current bearing and soaks in sewage and cause the bearing wearing and tearing, maintains frequent problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a vertical mud pump comprises a motor support, wherein a driving motor is connected above the motor support through a bolt, and an output shaft of the driving motor is connected with a driving shaft through a coupling; the lower end of the motor support is connected with a bearing sleeve through a bolt, a first sinking groove is formed in the upper end of the bearing sleeve, a first bearing is arranged in the first sinking groove, the driving shaft is inserted into the first bearing, a second sinking groove is formed in the lower end of the bearing sleeve, a second bearing is arranged in the second sinking groove, the driving shaft penetrates the second bearing and is limited through the second bearing, the lower end of the bearing sleeve is connected with the supporting pipe through a bolt, the lower end of the supporting pipe is connected with the volute, the lower end of the driving shaft penetrates the supporting pipe and extends into the volute, an impeller is connected to the lower end of the driving shaft and is located in the volute, a water outlet is formed in one side of the volute, and the water outlet is connected with a water outlet connector which is used.

Furthermore, the coupler comprises a first coupling disc and a second coupling disc, wherein a guide bulge is arranged at the lower end of the first coupling disc, a guide groove is arranged at the upper end of the second coupling disc, the guide bulge is embedded in the guide groove, and flange plates are arranged on the outer sides of the first coupling disc and the second coupling disc and are connected through bolts; the improved driving shaft connecting device is characterized in that a first connecting hole is formed in the first connecting shaft disc, a key groove is formed in the side portion of the first connecting hole, the first connecting hole is sleeved on an output shaft of the driving motor in a penetrating mode and is connected with the output shaft of the driving motor in a matched mode through a flat key, a second connecting hole is formed in the second connecting shaft disc, the second connecting hole is coaxial with the axis of the first connecting hole, the key groove is formed in the side wall of the second connecting hole, and the second connecting hole is sleeved on the upper end of the driving shaft in a penetrating mode and is.

Further, the motor support comprises a first support flange, a second support flange and a connecting plate, the connecting plate is arranged between the first support flange and the second support flange at intervals, a first limiting ring is arranged below the second support flange, the first limiting ring is inserted into a first sinking groove of the bearing sleeve, and the end of the first limiting ring is abutted to the upper side of the first bearing.

Furthermore, a bearing gland is arranged at the upper end of the supporting tube, a second limiting ring is arranged at the upper end of the bearing gland, the second limiting ring is inserted into a second sinking groove of the bearing sleeve, and the end part of the second limiting ring is abutted against the lower end of the second bearing.

Furthermore, the lower end of the supporting tube is provided with a connecting flange, the lower end of the connecting flange is provided with a third limiting ring, and the third limiting ring is inserted into an opening at the upper end of the volute.

Furthermore, the water inlet end at the lower end of the volute is connected with a filtering grid, and the filtering grid comprises a flange plate, a bottom plate and grid strips, wherein the upper end of the flange plate is used for being connected with the volute, the bottom plate is arranged at the lower end of the volute, and the grid strips are connected between the flange plate and the bottom plate.

Furthermore, one side of the side wall of the supporting pipe, which is close to the lower end, is provided with a water seepage port.

Furthermore, the water outlet joint comprises a joint flange part connected with the water outlet of the volute and a pagoda head part connected with the water outlet pipe, the axis of the pagoda head part and the axis of the joint flange part are arranged in an inclined angle, and the outer wall of the pagoda head part is provided with a plurality of sections of conical bulges.

The utility model discloses a set up first bearing and second bearing at the both ends of bearing housing, and the bearing housing sets up in the upper end of stay tube, keeps away from pump case and impeller through the stay tube with the bearing, during the use deepens the water with the stay tube lower extreme for bearing housing and inside bearing are located more than the surface of water, keep first bearing and second bearing not influenced by sewage impurity, improve equipment life.

The utility model provides a pair of vertical slush pump has following beneficial effect: the utility model has the advantages of stable use, high working efficiency, no noise, durability, convenient maintenance and difficult damage; the two bearings are both designed on the upper half part of the pump body, so that silt cannot enter the bearing sleeve, the bearing sleeve is not easy to damage, the maintenance cost is low, and the working efficiency is high; the application range is wide, and the device is suitable for pumping and draining treatment of tailings, slurry and sewage.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic structural view of a vertical slurry pump provided by the present invention;

FIG. 2 is a partial structural view of the portion A in FIG. 1;

FIG. 3 is a partial structural view of the portion B in FIG. 1;

fig. 4 is a schematic diagram of the volute structure of the present invention;

fig. 5 is a schematic structural diagram of the impeller of the present invention.

The reference numbers in the figures illustrate: 1-a motor support, 2-a drive motor, 3-a coupler, 4-a drive shaft, 5-a bearing sleeve, 6-a support pipe, 7-a volute, 8-an impeller, 9-a water outlet joint, 11-a first support flange, 12-a second support flange, 121-a first limit ring, 13-a connecting plate, 31-a first connecting shaft disc, 32-a second connecting shaft disc, 311-a guide bulge, 321-a guide groove, 51-a first bearing, 52-a second bearing, 61-a bearing gland, 62-a second limit ring, 63-a connecting flange, 64-a third limit ring, 65-a sealing ring, 66-a water seepage port, 71-a filter grid, 711-a flange plate, 712-a bottom plate, 713-a grid strip, 91-a joint flange part, 92-pagoda head.

The specific implementation mode is as follows:

it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.

As shown in fig. 1, 2, 3, 4 and 5, a vertical mud pump comprises a motor support 1, a driving motor 2 is connected above the motor support 1 through a bolt, and an output shaft of the driving motor 2 is connected with a driving shaft 4 through a coupling 3; the lower end of the motor support 1 is connected with a bearing sleeve 5 through a bolt, a first sinking groove is formed in the upper end of the bearing sleeve 5, a first bearing 51 is arranged in the first sinking groove, the driving shaft 4 penetrates into the first bearing 51, a second sinking groove is formed in the lower end of the bearing sleeve 5, a second bearing 52 is arranged in the second sinking groove, the driving shaft 4 penetrates through the second bearing and is limited by the second bearing 52, the lower end of the bearing sleeve 5 is connected with the supporting pipe 6 through a bolt, the lower end of the supporting pipe 6 is connected with the volute 7, the lower end of the driving shaft 4 penetrates through the supporting pipe 6 and extends into the volute 7, the lower end of the driving shaft 5 is connected with an impeller 8, the impeller 8 is located in the volute 7, a water outlet is formed in one side of the volute 7 and is connected with a water outlet connector 9, and the water outlet connector.

Adopt above-mentioned technical scheme, through setting up first bearing 51 and second bearing 52 at the both ends of bearing housing 5, and bearing housing 5 sets up in the upper end of stay tube 6, keeps away from pump case and impeller through stay tube 6 with the bearing, during the use with the support tube 6 lower extreme deepening in the water for bearing housing 5 and inside bearing are located more than the surface of water, keep first bearing 51 and second bearing 52 not influenced by sewage impurity, improve equipment life.

Specifically, the coupler 3 comprises a first coupling disc 31 and a second coupling disc 32, a guide protrusion 311 is arranged at the lower end of the first coupling disc 31, a guide groove 321 is arranged at the upper end of the second coupling disc 32, the guide protrusion 311 is embedded in the guide groove 321, and flange plates are arranged on the outer sides of the first coupling disc 31 and the second coupling disc 32 and connected through bolts; the inside first connecting hole that is equipped with of first shaft disc 31, the lateral part of first connecting hole is equipped with the keyway, first connecting hole wears to overlap on driving motor 2's output shaft and connects through the parallel key cooperation, the inside of second shaft disc 32 is equipped with the second connecting hole, the second connecting hole is coaxial with the axis of first connecting hole, be equipped with the keyway on the second connecting hole lateral wall, the second connecting hole wears to overlap in the upper end of drive shaft 4 and is connected with drive shaft 4 cooperation through the parallel key. The coupler is nested in the guide groove 321 through the guide bulge 311, the radial run-out is reduced, the concentricity is improved, the structure operation is kept stable,

specifically, the motor support 1 includes a first support flange 11, a second support flange 12, and a connecting plate 13, the connecting plate 13 is disposed between the first support flange 11 and the second support flange 12 at an interval, a first limit ring 121 is disposed below the second support flange 12, the first limit ring 121 is inserted into a first sinking groove of the bearing housing 5, and an end of the first limit ring 121 abuts against an upper side of the first bearing 51. Set up first spacing ring 121 and lead spacingly, improve the structure precision, prevent that the structure from rocking, the noise reduction to easy to assemble.

Specifically, a bearing gland 61 is arranged at the upper end of the support tube 6, a second limit ring 62 is arranged at the upper end of the bearing gland 61, the second limit ring 62 is inserted into a second sinking groove of the bearing sleeve 5, and the end of the second limit ring 62 abuts against the lower end of the second bearing 52. Set up second spacing ring 62 and lead spacingly, improve the structure precision, prevent that the structure from rocking, the noise reduction to easy to assemble.

Specifically, the lower end of the support tube 6 is provided with a connecting flange 63, the lower end of the connecting flange 63 is provided with a third limiting ring 64, and the third limiting ring 64 is inserted into the upper end opening of the volute 7. Set up third spacing ring 64 and lead spacing, improve the structure precision, prevent that the structure from rocking, the noise reduction to easy to assemble.

Specifically, the inner hole side wall of the connecting flange 63 is provided with a groove, a sealing ring 65 is arranged in the groove, and the sealing ring 65 is sleeved on the outer wall of the driving shaft 4 in a penetrating manner. The sealing ring 65 can reduce the medium of the volute from flowing into the inner cavity of the support tube 6.

Specifically, the water inlet end of the lower end of the volute casing 7 is connected with a filter grille 71, and the filter grille 71 includes a flange plate 711 whose upper end is used for connecting the volute casing 7, a bottom plate 712 whose lower end is connected with the bottom plate 712, and a grille bar 713 connected between the flange plate 711 and the bottom plate 712. The large-particle impurities in the water body can be prevented from entering the volute 7 to damage the impeller 8 through the filter grating 71, so that the operation safety of the equipment is improved, and the service life is prolonged.

Specifically, one side of the side wall of the support pipe 6 close to the lower end is provided with a water seepage port 66. The pressure liquid seeping into the inner cavity of the supporting tube 6 from the volute flows into the external water body through the water seepage port 66, and the pressure liquid is prevented from spreading upwards into the bearing sleeve 5 to damage the bearing.

Specifically, the water outlet joint 9 includes a joint flange portion 91 connected to the water outlet of the volute 7 and a pagoda head portion 92 connected to the water outlet pipe, the axis of the pagoda head portion 92 and the axis of the joint flange portion 91 are arranged at an inclined angle, and the outer wall of the pagoda head portion 92 is provided with a plurality of sections of conical protrusions. The water outlet pipe can be conveniently installed and fixed by arranging the conical bulge on the water outlet joint 9, and the water outlet pipe is prevented from falling off.

In the specific manufacturing process, the driving shaft 4 is made of 45# steel, and the impeller 8 is made of chromium alloy 20Cr material.

The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.

Claims

1. A vertical mud pump, characterized by: the device comprises a motor support (1), wherein a driving motor (2) is connected above the motor support (1) through a bolt, and an output shaft of the driving motor (2) is connected with a driving shaft (4) through a coupling (3); the lower end of the motor support (1) is connected with a bearing sleeve (5) through a bolt, a first sinking groove is formed in the upper end of the bearing sleeve (5), a first bearing (51) is arranged in the first sinking groove, the driving shaft (4) penetrates through the first bearing (51), a second sinking groove is formed in the lower end of the bearing sleeve (5), a second bearing (52) is arranged in the second sinking groove, the driving shaft (4) penetrates through the second bearing and is limited by the second bearing (52), the lower end of the bearing sleeve (5) is connected with a supporting pipe (6) through a bolt, the lower end of the supporting pipe (6) is connected with a volute (7), the lower end of the driving shaft (5) penetrates through the supporting pipe (6) and extends into the volute (7), the lower end of the driving shaft (4) is connected with an impeller (8), the impeller (8) is located in the volute (7), a water outlet is formed in one side of the driving shaft (7), and is connected with a water outlet joint (9, the water outlet joint (9) is used for connecting a water outlet pipe.

2. The vertical mud pump as set forth in claim 1, wherein: the coupler (3) comprises a first connecting shaft disc (31) and a second connecting shaft disc (32), a guide protrusion (311) is arranged at the lower end of the first connecting shaft disc (31), a guide groove (321) is formed in the upper end of the second connecting shaft disc (32), the guide protrusion (311) is embedded in the guide groove (321), and flange plates are arranged on the outer sides of the first connecting shaft disc (31) and the second connecting shaft disc (32) and connected through bolts; the improved driving shaft connecting device is characterized in that a first connecting hole is formed in the first connecting shaft disc (31), a key groove is formed in the side portion of the first connecting hole, the first connecting hole is sleeved on an output shaft of the driving motor (2) in a penetrating mode and is connected with the output shaft of the driving motor in a matched mode through a flat key, a second connecting hole is formed in the second connecting shaft disc (32), the second connecting hole is coaxial with the axis of the first connecting hole, the key groove is formed in the side wall of the second connecting hole, and the second connecting hole is sleeved at the upper end of the driving shaft (4) in a penetrating mode and is connected with the driving shaft.

3. The vertical mud pump as set forth in claim 1, wherein: the motor support (1) comprises a first support flange (11), a second support flange (12) and a connecting plate (13), wherein the connecting plate (13) is arranged between the first support flange (11) and the second support flange (12) at intervals, a first limiting ring (121) is arranged below the second support flange (12), the first limiting ring (121) penetrates through a first sinking groove of the bearing sleeve (5), and the end part of the first limiting ring (121) is abutted to the upper side of the first bearing (51).

4. The vertical mud pump as set forth in claim 1, wherein: the upper end of stay tube (6) is equipped with bearing cover (61), the upper end of bearing cover (61) is equipped with second spacing ring (62), second spacing ring (62) alternate in the heavy groove of second of bearing housing (5), the tip of second spacing ring (62) offsets with the lower extreme of second bearing (52).

5. The vertical mud pump as set forth in claim 1, wherein: the lower end of the supporting pipe (6) is provided with a connecting flange (63), the lower end of the connecting flange (63) is provided with a third limiting ring (64), and the third limiting ring (64) is inserted into an upper end opening of the volute (7).

6. The vertical mud pump as set forth in claim 5, wherein: be equipped with the slot on the hole lateral wall of flange (63), be equipped with sealing washer (65) in the slot, cover is worn on the outer wall of drive shaft (4) in sealing washer (65).

7. The vertical mud pump as set forth in claim 1, wherein: the water inlet end of the lower end of the volute (7) is connected with a filter grid (71), and the filter grid (71) comprises a flange plate (711) with the upper end used for being connected with the volute (7), a bottom plate (712) with the lower end and grid strips (713) connected between the flange plate (711) and the bottom plate (712).

8. The vertical mud pump as set forth in claim 1, wherein: and a water seepage port (66) is arranged on one side of the side wall of the supporting pipe (6) close to the lower end.

9. The vertical mud pump as set forth in claim 1, wherein: the water outlet joint (9) comprises a joint flange part (91) connected with a water outlet of the volute (7) and a pagoda head part (92) connected with a water outlet pipe, the axis of the pagoda head part (92) and the axis of the joint flange part (91) are arranged in an inclined angle, and a plurality of sections of conical bulges are arranged on the outer wall of the pagoda head part (92).