CN216111427U

CN216111427U - Long-shaft submerged pump connecting shaft device

Info

Publication number: CN216111427U
Application number: CN202122840315.5U
Authority: CN
Inventors: 相堂远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-03-22
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a long-shaft submerged pump connecting shaft device, which belongs to the technical field of long-shaft submerged pumps, wherein when the long-shaft submerged pump works, vibration easily causes a coupling to fall off and a main shaft to generate irreversible deformation, and in addition, a filter screen at the bottom is blocked and difficult to clean, so that subsequent use is influenced; the major axis submerged pump is provided with the first sliding chutes on the inner walls of the upper end and the lower end of the supporting tube, and the bearings are installed in a sliding mode, so that the stress of the main shaft is uniform, the motor assembly drives the main shaft to rotate stably, the vibration is reduced, and the whole major axis submerged pump is stable through the four fixing shafts, so that the main shaft is effectively protected; the main shaft drives the two arc-shaped scrapers to rotate along the inner wall of the cylindrical filter screen, so that dirt is automatically cleaned.

Description

Long-shaft submerged pump connecting shaft device

Technical Field

The utility model relates to the technical field of long-shaft submerged pumps, in particular to a connecting shaft device of a long-shaft submerged pump.

Background

The motor of the long-shaft submerged pump is arranged at the upper end of the liquid level, and the pump body and the connecting pipe are arranged below the liquid level, so that the pump has the characteristics of corrosion resistance, strong acid resistance and the like, and is widely applied to the field of chemical industry, 1, the conventional long-shaft submerged pump often causes vibration during working due to the fact that the motor rotates fast and the supporting pipe is long, so that a coupler falls off, and the service life is influenced; 2. the vibration often causes the spindle to deform or break irreversibly; 3. although the bottom filter screen can prevent large particles from entering the pump body, the bottom filter screen can inevitably absorb impurities, so that the filter screen is blocked and the subsequent use is influenced; to this end we propose a long shaft submerged pump coupling device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a long-shaft submerged pump connecting shaft device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: major axis submerged pump links axle device, including the motor assembly, motor assembly bottom fixedly connected with motor cabinet, motor cabinet bottom fixedly connected with upper fixed plate, upper fixed plate bottom fixed mounting has the installation cover, motor cabinet side fixedly connected with connecting plate, the installation cover internal rotation is equipped with the shaft coupling, motor assembly output end fixed connection shaft coupling, installation cover bottom fixedly connected with stay tube, the stay tube bottom fixedly connected with pump body, fixedly connected with fixed subassembly between the pump body and the upper fixed plate, pump body bottom fixedly connected with imbibition subassembly, fixedly connected with imbibition subassembly in the shaft coupling.

As a preferred technical scheme of the utility model, the coupler comprises an upper coupling sleeve and a lower coupling sleeve, the upper coupling sleeve and the lower coupling sleeve are both in a convex shape, the inner walls of the upper coupling sleeve and the lower coupling sleeve are provided with first chutes, the inner wall of the upper coupling sleeve and the inner wall of the lower coupling sleeve are fixedly connected with the bottom end of the output end of the motor assembly, the inner wall of the lower coupling sleeve is fixedly connected with a liquid suction component, a middle disc is arranged between the upper coupling sleeve and the lower coupling sleeve, the surface of the middle disc is provided with four fan-shaped blades, the upper coupling sleeve, the lower coupling sleeve and the middle disc are internally provided with a plurality of first hexagon socket head cap bolts and second hexagon socket cap bolts, and the installation direction of one fan-shaped blade is opposite to that of one first hexagon socket cap bolt and the second hexagon socket cap bolt.

As a preferred technical scheme, the upper end and the lower end of the supporting tube are fixedly provided with connecting discs, the inner walls of the upper end and the lower end of the supporting tube are provided with second sliding grooves, bearings are arranged in the second sliding grooves in a sliding mode, and clamping strips are fixedly clamped between the outer surfaces of the bearings and the second sliding grooves.

According to a preferable technical scheme of the utility model, the fixing assembly comprises four fixing shafts, the upper ends of the four fixing shafts are fixedly connected to four corners of the bottom surface of the upper fixing plate, the bottom ends of the fixing shafts are fixedly connected with a bottom plate, a rectangular groove is formed in the surface of the bottom plate, and a pump body is fixedly installed in the rectangular groove.

According to a preferred technical scheme of the utility model, a round hole is formed in the upper surface of the pump body, the upper end of the round hole is fixedly sleeved and connected with the bottom end of the connecting disc, a liquid discharge pipe is fixedly sleeved and connected on the side surface of the pump body, a liquid discharge pipe is fixedly sleeved and connected at the other end of the liquid discharge pipe, the upper end of the liquid discharge pipe is fixedly connected with the connecting plate, an impeller is rotatably mounted in the pump body and fixedly connected with a liquid suction assembly, and the bottom end of the pump body is fixedly connected with the liquid suction assembly.

According to a preferable technical scheme of the utility model, the liquid suction assembly comprises a main shaft, wherein the upper end of the main shaft penetrates through an impeller and is clamped in a lower connecting shaft sleeve, a connecting pipe is arranged outside the main shaft, the upper end of the connecting pipe is fixedly connected with the bottom end of a pump body, a cylindrical filter screen penetrates through the main shaft and is fixedly connected with an arc-shaped scraper, the outer surface of the arc-shaped scraper is attached and connected with the inner wall of the cylindrical filter screen, a sheath is arranged outside the cylindrical filter screen, and the upper end of the sheath is fixedly connected with the bottom end of the connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. an intermediate disc is arranged between an upper connecting shaft sleeve and a lower connecting shaft sleeve of the coupler, and two hexagon socket head bolts with opposite installation directions are arranged at each fan-shaped blade, so that the coupler is firm in structure and prevented from falling off;

2. the major axis submerged pump is provided with the first sliding chutes on the inner walls of the upper end and the lower end of the supporting tube, and the bearings are installed in a sliding mode, so that the stress of the main shaft is uniform, the motor assembly drives the main shaft to rotate stably, the vibration is reduced, and the whole major axis submerged pump is stable through the four fixing shafts, so that the main shaft is effectively protected;

3. the main shaft drives the two arc-shaped scrapers to rotate along the inner wall of the cylindrical filter screen, so that dirt is automatically cleaned.

Drawings

FIG. 1 is a schematic structural view of the present invention,

figure 2 is a schematic view of the structural fixing assembly of the present invention,

FIG. 3 is a schematic view of a motor assembly of the present invention,

figure 4 is a schematic view of the structural coupling of the present invention,

figure 5 is a schematic view of the structural support tube of the present invention,

FIG. 6 is a schematic view of the pump body and wicking assembly of the present invention.

In the figure: 1. a motor assembly; 11. a motor base; 111. an upper fixing plate; 12. installing a sleeve; 13. a connecting plate; 2. a coupling; 21. an upper coupling sleeve; 211. a first chute; 22. a lower coupling sleeve; 23. an intermediate tray; 231. fan-shaped leaves; 24. a first hexagon socket head cap screw; 25. a second hexagon socket screw; 3. supporting a tube; 31. a connecting disc; 32. a second chute; 33. a bearing; 34. clamping the strip; 4. a fixing assembly; 41. a fixed shaft; 42. a base plate; 421. a rectangular groove; 5. a pump body; 51. a circular hole; 52. a liquid discharge pipe; 53. a liquid outlet pipe; 54. an impeller; 6. a wicking assembly; 61. a connecting pipe; 62. a cylindrical filter screen; 63. a main shaft; 64. an arc-shaped scraper plate; 65. a sheath.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Example (b): as shown in fig. 1-6, the utility model provides a major axis submerged pump connecting shaft device, which comprises a motor assembly 1, wherein a motor base 11 is fixedly connected to the bottom end of the motor assembly 1, the motor assembly 1 is fixedly installed on a liquid level, an upper fixing plate 111 is fixedly connected to the bottom end of the motor base 11, an installation sleeve 12 is fixedly installed at the bottom end of the upper fixing plate 111, a connecting plate 13 is fixedly connected to the side surface of the motor base 11, a coupler 2 is rotatably arranged in the installation sleeve 12, the motor assembly 1 drives the coupler 2 to rotate in the installation sleeve 12, the output end of the motor assembly 1 is fixedly connected with the coupler 2, a support tube 3 is fixedly connected to the bottom end of the installation sleeve 12, a pump body 5 is fixedly connected to the bottom end of the support tube 3, a fixing component 4 is fixedly connected between the pump body 5 and the upper fixing plate 111, the fixing component 4 increases structural firmness and reduces mechanical deformation, 5 bottom fixedly connected with imbibition subassembly 6 of the pump body, motor assembly 1 drives imbibition subassembly 6 and the work of the pump body 5, fixedly connected imbibition subassembly 6 in the shaft coupling 2.

Further, the shaft coupling 2 includes upper shaft sleeve 21 and lower shaft sleeve 22, the upper shaft sleeve 21 and the lower shaft sleeve 22 are both in a convex shape, the inner walls of the upper shaft sleeve 21 and the lower shaft sleeve 22 are provided with first sliding grooves 211, the bottom end of the output end of the motor assembly 1 is fixedly connected in the upper shaft sleeve 21, the lower shaft sleeve 22 is fixedly connected with a liquid suction component 6, so that the motor assembly 1 drives the liquid suction component 6 to rotate through the upper shaft sleeve 21 and the lower shaft sleeve 22, a middle disc 23 is arranged between the upper shaft sleeve 21 and the lower shaft sleeve 22, the surface of the middle disc 23 is provided with four fan-shaped blades 231, a plurality of first inner hexagonal bolts 24 and second inner hexagonal bolts 25 are arranged in the upper shaft sleeve 21, the lower shaft sleeve 22 and the middle disc 23, one of the fan-shaped blades 231 is internally provided with a first inner hexagonal bolt 24 and a second inner hexagonal bolt 25, and the installation direction is opposite, therefore, the coupler 2 is firm in structure and stable in falling-off prevention through the fact that the first inner hexagon bolt 24 and the second inner hexagon bolt 25 are installed in opposite directions.

Further, fixed connection pad 31 that is equipped with about 3 of stay tubes, second spout 32 has all been seted up to the inner wall of the lower extreme about 3 of stay tubes, slidable mounting has bearing 33 in second spout 32, fixed joint has card strip 34 between bearing 33 surface and the second spout 32 to through bearing 33 of the equal fixed joint of lower extreme in stay tubes 3, thereby make main shaft 63 atress even, reduce the vibrations that main shaft 63 produced when rotating.

Further, the fixed component 4 is including the fixed axle 41, the fixed axle 41 quantity is four, and upper end fixed connection is in the 111 bottom surface four corners departments of upper fixed plate, the fixed axle 41 bottom end fixedly connected with bottom plate 42, rectangular channel 421 has been seted up on bottom plate 42 surface, the fixed mounting pump body 5 in the rectangular channel 421 to the fastness of structure can be improved with the pump body 5 to the motor assembly 1, the axial that reduces the stay tube 3 bears the stress.

Further, a circular hole 51 is formed in the upper surface of the pump body 5, the upper end of the circular hole 51 is fixedly sleeved with the bottom end of the connecting disc 31, the pump body 5 is fixedly installed, a liquid discharge pipe 52 is fixedly sleeved on the side surface of the pump body 5, a liquid discharge pipe 53 is fixedly sleeved at the other end of the liquid discharge pipe 52, liquid is discharged onto the liquid level through the liquid discharge pipe 53, the upper end of the liquid discharge pipe 53 is fixedly connected with the connecting plate 13, an impeller 54 is rotatably installed in the pump body 5, the impeller 54 is fixedly connected with the liquid suction assembly 6, the bottom end of the pump body 5 is fixedly connected with the liquid suction assembly 6, and the liquid suction assembly 6 drives the impeller 54 to rotate, so that the pump body 5 can perform liquid suction work.

Further, imbibition subassembly 6 is including main shaft 63, impeller 54 is run through to main shaft 63 upper end to the joint is in connecting axle sleeve 22 down, and main shaft 63 can be driven by motor assembly 1 and rotate, main shaft 63 is equipped with connecting pipe 61 outward, connecting pipe 61 upper end fixed connection pump body 5 bottom, pump body 5 and connecting pipe 61 sealing connection, main shaft 63 runs through there is cylindric filter screen 62 to fixedly connected with arc scraper 64, the laminating of arc scraper 64 surface is connected with cylindric filter screen 62 inner wall, it is equipped with sheath 65 outward to have cylindric filter screen 62, sheath 65 upper end fixed connection connecting pipe 61 bottom to drive two arc scraper 64 through main shaft 63 and can carry out the automatic clearance to cylindric filter screen 62.

The working principle is as follows: the motor assembly 1 is fixedly installed on the liquid level through the motor base 11, then the motor assembly 1 drives the coupler 2 to rotate in the installation sleeve 12, the bottom end of the installation sleeve 12 is fixedly connected with the supporting tube 3, the bottom end of the supporting tube 3 is fixedly connected with the pump body 5, the bottom end of the pump body 5 is fixedly connected with the liquid suction component 6, so that a complete long-shaft submerged pump is formed, the middle disc 23 is arranged between the upper connecting shaft sleeve 21 and the lower connecting shaft sleeve 22 of the coupler 2, and two hexagon socket head bolts with opposite installation directions are arranged at the thread of each fan-shaped blade 231, so that the coupler 2 is firm in structure and is prevented from falling off; the major axis submerged pump is through offering the second concrete chute 32 in the upper and lower end inner wall of the supporting tube 3, and install a bearing 33 in the upper and lower ends of the supporting tube 3 slidably, then make bearing 33 fixedly connect with inner wall of supporting tube 3 through the card strip 34, thus make the main axis 63 that runs through in the bearing 33 bear the force evenly, make the motor assembly 1 drive the main axis 63 to rotate steadily, reduce the vibrations produced while the main axis 63 rotates, another four fixed axles 41 both ends fixedly connect with bottom plate 42 and upper fixed plate 111 separately, thus the motor assembly 1 and pump body 5 can improve the structural firmness, reduce the axial bearing stress of the supporting tube 3, thus protect the main axis 63 effectively; the main shaft 63 drives the impeller 54 in the pump body 5 to rotate, so that the pump body 5 can pump liquid and discharge the liquid to the liquid level through the liquid outlet pipe 53, and in addition, the main shaft 63 drives the two arc-shaped scrapers 64 to rotate along the inner wall of the cylindrical filter screen 62, so that the cylindrical filter screen 62 can automatically clean dirt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Major axis submerged pump links axle device, including motor assembly (1), its characterized in that: motor assembly (1) bottom fixedly connected with motor cabinet (11), motor cabinet (11) bottom fixedly connected with upper fixed plate (111), upper fixed plate (111) bottom fixed mounting has installation cover (12), motor cabinet (11) side fixedly connected with connecting plate (13), the installation cover (12) internal rotation is equipped with shaft coupling (2), motor assembly (1) output end fixed connection shaft coupling (2), installation cover (12) bottom fixedly connected with stay tube (3), stay tube (3) bottom fixedly connected with pump body (5), fixedly connected with fixed subassembly (4) between pump body (5) and upper fixed plate (111), pump body (5) bottom fixedly connected with imbibition subassembly (6), fixed connection imbibition subassembly (6) in shaft coupling (2).

2. The long shaft submerged pump coupling device according to claim 1, wherein: shaft coupling (2) is including last axle sleeve (21), lower axle sleeve (22) even, go up axle sleeve (21), even axle sleeve (22) all is convex shape down, go up axle sleeve (21), first spout (211) have been seted up even axle sleeve (22) inner wall down, go up even axle sleeve (21) internal fixed connection motor assembly (1) output bottom, even axle sleeve (22) internal fixed connection imbibition subassembly (6) down, go up even axle sleeve (21), be equipped with between axle sleeve (22) down and rise (23), rise (23) surface is equipped with four fan-shaped leaf (231), go up even axle sleeve (21), be equipped with a plurality of first inner hexagonal bolt (24), second inner hexagonal bolt (25) in even axle sleeve (22) and rise (23) down, one fan-shaped leaf (231) internal thread sets up one first inner hexagonal bolt (24), A second hexagon socket head cap screw (25) and the installation direction is opposite.

3. The long shaft submerged pump coupling device according to claim 1, wherein: fixed connection pad (31) that is equipped with about stay tube (3), second spout (32) have all been seted up to the inner wall of the lower extreme about stay tube (3), slidable mounting has bearing (33) in second spout (32), fixed joint has card strip (34) between bearing (33) surface and second spout (32).

4. The long shaft submerged pump coupling device according to claim 1, wherein: fixed subassembly (4) is including fixed axle (41), fixed axle (41) quantity is four, and upper end fixed connection in upper fixed plate (111) bottom surface four corners department, fixed axle (41) bottom fixedly connected with bottom plate (42), rectangular channel (421) have been seted up on bottom plate (42) surface, the fixed mounting pump body (5) in rectangular channel (421).

5. The long shaft submerged pump coupling device according to claim 4, wherein: the upper surface of the pump body (5) is provided with a round hole (51), the upper end of the round hole (51) is fixedly sleeved with the bottom end of the connecting disc (31), the side surface of the pump body (5) is fixedly sleeved with a liquid discharge pipe (52), the other end of the liquid discharge pipe (52) is fixedly sleeved with a liquid discharge pipe (53), the upper end of the liquid discharge pipe (53) is fixedly connected with the connecting plate (13), an impeller (54) is rotatably installed in the pump body (5), the impeller (54) is fixedly connected with the liquid suction component (6), and the bottom end of the pump body (5) is fixedly connected with the liquid suction component (6).

6. The long shaft submerged pump coupling device according to claim 5, wherein: imbibition subassembly (6) is including main shaft (63), impeller (54) is run through to main shaft (63) upper end to the joint is in axle sleeve (22) even down, main shaft (63) are equipped with connecting pipe (61) outward, connecting pipe (61) upper end fixed connection pump body (5) bottom, main shaft (63) run through there is cylindric filter screen (62) to fixedly connected with arc scraper blade (64), arc scraper blade (64) surface laminating is connected with cylindric filter screen (62) inner wall, there is cylindric filter screen (62) to be equipped with sheath (65) outward, sheath (65) upper end fixed connection connecting pipe (61) bottom.