CN110821842B

CN110821842B - Working wheel for centrifugal pump and centrifugal pump

Info

Publication number: CN110821842B
Application number: CN201911240482.7A
Authority: CN
Inventors: 王霞霞; 王金林
Original assignee: Jiangsu Shengya Pump Valve Manufacturing Co ltd
Current assignee: JIANGSU SHENGYA PUMP VALVE MANUFACTURING Co.,Ltd.
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-10-27
Anticipated expiration: 2039-12-06
Also published as: CN110821842A

Abstract

The invention discloses a working wheel and a centrifugal pump for a centrifugal pump, which comprise a servo motor, wherein the left side of the servo motor is provided with the working wheel, and the working wheel comprises a circular plate, a curved plate, a sleeve, a first spring, a bolt, a second spring, an inner hexagonal bolt, a square rod, a sealing bearing and a thick pipe. This a working wheel and centrifugal pump for centrifugal pump, convenient maintenance and carrying, bring the facility for the operating personnel, this a working wheel and centrifugal pump for centrifugal pump passes through the plectane, the thick pipe, the sleeve, cooperation between first spring and the bolt, make bent plate and plectane be convenient for take off, consequently in case the damage appears, the degree of difficulty that can the greatly reduced maintenance, when reducing the operation, through the sleeve pipe, the retaining ring, the couple, the slider, the cooperation between the slide rail and the cover body, make servo motor be convenient for separate, consequently in case the damage appears, can divide into two parts with this a working wheel and centrifugal pump for centrifugal pump and carry, reduce the degree of difficulty of carrying.

Description

Working wheel for centrifugal pump and centrifugal pump

Technical Field

The invention relates to the technical field of centrifugal pumps, in particular to a working wheel for a centrifugal pump and the centrifugal pump.

Background

The basic structure of the centrifugal pump is composed of six parts, namely an impeller, a pump body, a pump shaft, a bearing, a sealing ring and a stuffing box, wherein the impeller is a core part of the centrifugal pump, the rotating speed of the impeller is higher than the output force of the impeller, blades on the impeller play a main role, and the impeller passes through a static balance experiment before being assembled. The inner and outer surfaces on the impeller need to be smooth to reduce frictional losses from the water flow.

The centrifugal pump in the prior art, especially the impeller part, in case damage, in the time of dismantling comparatively troublesome, be difficult to maintain, bring inconvenience for the operation personnel to the motor part of centrifugal pump and pump body part itself are not convenient for take off, consequently in the in-process of transportation and deposit, all have certain trouble, and especially when maintaining the pump body, the motor is heavier, consequently is difficult to carry.

Disclosure of Invention

The invention aims to provide a working wheel and a centrifugal pump for a centrifugal pump, which are used for solving the problems that the centrifugal pump in the prior art, particularly an impeller part, is troublesome to disassemble and difficult to maintain once damaged, and brings inconvenience to operators.

In order to achieve the purpose, the invention provides the following technical scheme: a working wheel and a centrifugal pump for a centrifugal pump comprise a servo motor, wherein the bottom of the servo motor is fixedly connected with a base, and the left side of the servo motor is provided with the working wheel;

the working wheel comprises a circular plate, a curved plate, a sleeve, a first spring, a bolt, a second spring, an inner hexagon bolt, a square rod, a sealing bearing and a thick pipe;

the left side of the circular plate is a ninety-degree annular fixedly connected curved plate, the left side of the circular plate is fixedly connected with the right side of the thick pipe, the inner wall of the thick pipe is in clearance fit with the left side of the outer wall of the sleeve, the left side of the inner wall of the sleeve is provided with a first spring, the top and the bottom of the first spring are both fixedly connected with a bolt, the outer wall of the bolt penetrates through the sleeve, the bolt is in clearance fit with the sleeve, the tail end of the bolt is in clearance fit with the inner wall of the thick pipe, the outer wall of the sleeve penetrates through the side face of the circular plate, the outer wall of the sleeve is in clearance fit with the circular plate, the outer wall of the sleeve is fixedly connected with the inner wall of the sealing bearing, the right side of the inner wall of the sleeve is in clearance fit with the outer wall of the square rod, the top and the bottom of the sleeve are both in threaded connection with an inner hexagonal bolt, the left end of the second spring is fixedly connected with the left side of the inner wall of the sleeve, and the right end of the square rod is fixedly connected with the output end of the servo motor.

Preferably, the end of the hexagon socket head cap screw is positioned on the inner surface of the outer wall of the sleeve.

Preferably, the end of the pin is tapered.

Preferably, the outer wall of the sealed bearing is provided with a protective cover;

the protective cover comprises a first shell, a rubber pad, a second shell and a first bolt;

the bottom of the first shell is fixedly connected with the top of the rubber pad, the top of the rubber pad is abutted against the top of the second shell, the right side of the bottom of the first shell and the right side of the top of the second shell are tightly attached to the top and the bottom of the sealing bearing respectively, and the first shell is fixedly connected with the second shell through a first bolt.

Preferably, flanges are processed at the top of the first shell and the bottom of the second shell.

Preferably, a fixing component is arranged on the left side of the servo motor;

the fixed assembly comprises a sleeve, a check ring, a hook, a sliding block, a sliding rail, a cover body and a second bolt;

the utility model discloses a servo motor, including the sheathed tube outer wall right side, the inner wall left side fixed connection of the cover body and retaining ring is in the same place, the inner wall right side of the cover body and servo motor's outer wall left side clearance fit, the equal threaded connection in top and the bottom of the cover body has the second bolt, the end of second bolt offsets tightly with servo motor's outer wall, sheathed tube inner wall left side fixedly connected with retaining ring, the right side top and the equal joint in below of retaining ring have the couple, the left end of couple is in the same place with the right side fixed connection of slider, the outer wall left side sliding clamping of slider has the slide rail, the left side of slider is in the same place with the outer.

Preferably, a clamping groove is formed at the clamping position of the check ring and the hook.

Preferably, the right end of the sleeve is flush with the left side of the inner wall of the cover body.

Compared with the prior art, the invention has the beneficial effects that: this a working wheel and centrifugal pump for centrifugal pump, convenient maintenance and carrying bring the facility for the operation personnel, and specific beneficial effect is as follows:

this a working wheel and centrifugal pump for centrifugal pump pass through the cooperation between plectane, thick pipe, sleeve, first spring and the bolt for bent plate and plectane are convenient for take off, consequently in case the damage appears, can greatly reduced the degree of difficulty of maintenance, when reducing the operation.

Through the cooperation between the sleeve pipe, retaining ring, couple, slider, slide rail and the cover body for servo motor is convenient for separate, consequently in case the damage appears, can divide into two parts with this a working wheel and centrifugal pump for centrifugal pump and carry, reduces the degree of difficulty of carrying, has solved the problem that partial not convenient for take off of centrifugal pump motor part among the prior art and pump body itself, brings the facility for the user.

Drawings

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

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the circular plate, the curved plate and the hook in FIG. 1;

FIG. 4 is a schematic view of the connection of the sleeve, the first spring and the plug of FIG. 3;

FIG. 5 is a schematic view of the connection structure of the retainer ring, the hook and the slide rail in FIG. 3;

fig. 6 is a schematic view showing a connection structure of the sleeve, the second spring and the square rod in fig. 3.

In the figure: 1. the working wheel comprises a working wheel body 101, a circular plate 102, a curved plate 103, a sleeve 104, a first spring 105, a bolt 106, a second spring 107, a hexagon socket head cap screw 108, a square rod 109, a sealing bearing 110, a thick pipe 2, a protective cover 201, a first shell 202, a rubber pad 203, a second shell 204, a first bolt 3, a servo motor 301, a sleeve 302, a retainer ring 303, a hook 304, a sliding block 305, a sliding rail 306, a cover body 307, a second bolt 4, a servo motor 5 and a base.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a working wheel and a centrifugal pump for a centrifugal pump comprise a servo motor 4, wherein the servo motor 4 is ECMA-E11320RS in model, a base 5 is fixedly connected to the bottom of the servo motor 4, a working wheel 1 is arranged on the left side of the servo motor 4, the working wheel 1 comprises a circular plate 101, a curved plate 102, a sleeve 103, a first spring 104, a bolt 105, a second spring 106, an inner hexagon bolt 107, a square rod 108, a sealing bearing 109 and a thick pipe 110, the left side of the circular plate 101 is fixedly connected with the curved plate 102 in a ninety-degree annular manner, the curved plate 102 is matched with the circular plate 101 to form an impeller, the left side of the circular plate 101 is fixedly connected with the right side of the thick pipe 110, the inner wall of the thick pipe 110 is in clearance fit with the left side of the outer wall of the sleeve 103, the first spring 104 is arranged on the left side of the inner wall of the sleeve 103, the first spring 104 gives an elastic force for mutual separation of, the outer wall of the bolt 105 penetrates through the sleeve 103, the bolt 105 is in clearance fit with the sleeve 103, the tail end of the bolt 105 is in clearance fit with the inner wall of the thick pipe 110, the outer wall of the sleeve 103 penetrates through the side face of the circular plate 101, the outer wall of the sleeve 103 is in clearance fit with the circular plate 101, the outer wall of the sleeve 103 is fixedly connected with the inner wall of the sealing bearing 109, the right side of the inner wall of the sleeve 103 is in clearance fit with the outer wall of the square rod 108, the top and the bottom of the sleeve 103 are both in threaded connection with the hexagon socket head cap screw 107, the hexagon socket head cap screw 107 plays a fixed role for the sleeve 103 and the square rod 108, the tail end of the hexagon socket head cap screw 107 is abutted against the square rod 108, the left end of the square rod 108 is fixedly connected with the right end of the second spring 106, the second spring 106 gives the elastic force of the square rod 108 far away from the sleeve 103, the left end of the second, the end of the socket head cap screw 107 is located on the inner surface of the outer wall of the sleeve 103, and the end of the plug 105 is tapered.

The outer wall of sealed bearing 109 is equipped with safety cover 2, safety cover 2 includes first casing 201, rubber pad 202, second casing 203 and first bolt 204, the bottom of first casing 201 is in the same place with the top fixed connection of rubber pad 202, rubber pad 202 improves the leakproofness between first casing 201 and the second casing 203, the top of rubber pad 202 offsets tightly with the top of second casing 203, the bottom right side of first casing 201 and the top right side of second casing 203 closely laminate with the top and the bottom of sealed bearing 109 respectively, first casing 201 is in the same place through first bolt 204 and second casing 203 fixed connection, first bolt 204 plays the effect of fixed first casing 201 and second casing 203, the top of first casing 201 and the bottom of second casing 203 all process the ring flange.

The left side of the servo motor 4 is provided with a fixing component 3, the fixing component 3 comprises a sleeve 301, a check ring 302, a hook 303, a sliding block 304, a sliding rail 305, a cover body 306 and a second bolt 307, the right side of the outer wall of the sleeve 301 is fixedly connected with the left side of the inner wall of the check ring 302, the right side of the inner wall of the cover body 306 is in clearance fit with the left side of the outer wall of the servo motor 4, the top and the bottom of the cover body 306 are both in threaded connection with the second bolt 307, the second bolt 307 plays a fixing role for the check ring 302 and the servo motor 4, the tail end of the second bolt 307 is abutted against the outer wall of the servo motor 4, the left side of the inner wall of the sleeve 301 is fixedly connected with the check ring 302, the hook 303 is clamped above and below the right side of the check ring 302, the hook 303 plays a limiting role for the check ring 302 and the first shell 201, slider 304 and slide rail 305 cooperate, play the effect that supports to couple 303, and the left side of slider 305 is in the same place with the outer wall right side fixed connection of first casing 201, and the draw-in groove has been seted up with couple 303 joint department to retaining ring 302, and the right-hand member of sleeve 301 is parallel and level mutually with the inner wall left side of the cover body 306.

When the working wheel and the centrifugal pump for the centrifugal pump are used, the flange at the bottom of the second shell 203 is connected with a water pipe connected with a water source from the outside, the flange at the top of the first shell 201 is connected with an outside water pipe, at the moment, an outside power supply of the servo motor 4 is connected, the servo motor 4 rotates to drive the square rod 108 to rotate, the square rod 108 drives the sleeve 103 to rotate, the sleeve 103 drives the thick pipe 110 to rotate through the bolt 105, the thick pipe 110 drives the circular plate 101 and the curved plate 102 to rotate, a basic structure of the centrifugal pump is formed, the outside water source is discharged through the second shell 203 and the first shell 201 in sequence, outside water supply is realized, when the working wheel and the centrifugal pump for the centrifugal pump need to be disassembled, the hexagon socket head cap screw 107 is rotated to separate the hexagon socket head screw 107 from the square rod 108, then the servo motor 4 is pushed to drive the square rod 108 to move leftwards, and the second spring 106, couple 303 and retaining ring 302 separation, later promote couple 303, couple 303 drives slider 304 and slides along the inner wall of slide rail 305, later reverse promotion servo motor 4, make square bar 108 and sleeve 103 separate, the realization is taken off servo motor 4 this moment, take off first bolt 204 afterwards, the realization is separated first casing 201 and second casing 203, stimulate two bolts 105, make first spring 104 compressed, make bolt 105 and sleeve 103 separate, take out circular plate 101 from the outer wall of sleeve 103 afterwards, be convenient for the operating personnel maintain.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centrifugal pump comprising a servo motor (4), characterized in that: the bottom of the servo motor (4) is fixedly connected with a base (5), the left side of the servo motor (4) is provided with a working wheel (1), the working wheel (1) comprises a circular plate (101), a curved plate (102), a sleeve (103), a first spring (104), a bolt (105), a second spring (106), an inner hexagonal bolt (107), a square rod (108), a sealing bearing (109) and a thick pipe (110), the left side of the circular plate (101) is fixedly connected with the curved plate (102) in a ninety-degree annular manner, the left side of the circular plate (101) is fixedly connected with the right side of the thick pipe (110), the inner wall of the thick pipe (110) is in clearance fit with the left side of the outer wall of the sleeve (103), the left side of the inner wall of the sleeve (103) is provided with the first spring (104), the top and the bottom of the first spring (104) are both fixedly connected with the bolt (105), the outer wall of the bolt (105) penetrates, and a bolt (105) is in clearance fit with a sleeve (103), the tail end of the bolt (105) is in clearance fit with the inner wall of a thick pipe (110), the outer wall of the sleeve (103) penetrates through the side face of a circular plate (101), the outer wall of the sleeve (103) is in clearance fit with the circular plate (101), the outer wall of the sleeve (103) is fixedly connected with the inner wall of a sealing bearing (109), the right side of the inner wall of the sleeve (103) is in clearance fit with the outer wall of a square rod (108), the top and the bottom of the sleeve (103) are both in threaded connection with an inner hexagonal bolt (107), the tail end of the inner hexagonal bolt (107) is abutted against the square rod (108), the left end of the square rod (108) is fixedly connected with the right end of a second spring (106), the left end of the second spring (106) is fixedly connected with the left side of the inner wall of the sleeve (103), and the right end of the square rod (108) is fixedly connected with the output end of a servo motor (, the tail end of the inner hexagon bolt (107) is located on the inner surface of the outer wall of the sleeve (103), the tail end of the plug pin (105) is conical, the outer wall of the sealing bearing (109) is provided with the protective cover (2), the protective cover (2) comprises a first shell (201), a rubber pad (202), a second shell (203) and a first bolt (204), the bottom of the first shell (201) is fixedly connected with the top of the rubber pad (202), the bottom of the rubber pad (202) is tightly abutted to the top of the second shell (203), the right side of the bottom of the first shell (201) and the right side of the top of the second shell (203) are respectively tightly attached to the top and the bottom of the sealing bearing (109), the first shell (201) is fixedly connected with the second shell (203) through the first bolt (204), and flange plates are processed at the top of the first shell (201) and the bottom of the second shell (203), the left side of the servo motor (4) is provided with a fixing component (3), the fixing component (3) comprises a sleeve (301), a check ring (302), a hook (303), a sliding block (304), a sliding rail (305), a cover body (306) and a second bolt (307), the right side of the inner wall of the cover body (306) is in clearance fit with the left side of the outer wall of the servo motor (4), the top and the bottom of the cover body (306) are in threaded connection with the second bolt (307), the tail end of the second bolt (307) is tightly propped against the outer wall of the servo motor (4), the left side of the inner wall of the sleeve (301) is fixedly connected with the check ring (302), the upper side and the lower side of the right side of the check ring (302) are clamped with the hook (303), the left end of the hook (303) is fixedly connected with the right side of the sliding block (304), the sliding block (304) is slidably, the left side of slide rail (305) is in the same place with the outer wall right side fixed connection of first casing (201), the draw-in groove has been seted up with couple (303) joint department in retaining ring (302).

2. A centrifugal pump according to claim 1, characterized in that: the right end of the sleeve (301) is flush with the left side of the inner wall of the cover body (306).