CN213392703U

CN213392703U - Slurry pump with good sealing effect

Info

Publication number: CN213392703U
Application number: CN202022388197.4U
Authority: CN
Inventors: 宁祝平
Original assignee: Hunan Woman Pump Co ltd
Current assignee: Hunan Woman Pump Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-06-08
Anticipated expiration: 2030-10-24

Abstract

The invention discloses a slurry pump with a good sealing effect, and relates to the field of slurry pumps. According to the invention, by arranging the sealing strip, the oil box, the extrusion groove, the oil outlet pipe and the anticorrosive coating, when the pump body is used for conveying materials, the pump body is connected with a power supply, then the materials to be conveyed are placed into the feed inlet, the coupler drives the main shaft to rotate, the main shaft drives the impeller to rotate to generate centrifugal force to convey the materials, the anticorrosive coating can prevent the main shaft from being corroded by some liquid materials, when the contact rotating speed of the main shaft and the materials is reduced, a user can hold the extrusion groove to extrude the oil box, lubricating oil in the oil box can flow on the main shaft along the oil outlet pipe, so that the friction force when the main shaft rotates is reduced, the rotating speed is increased, the rotating speed of the impeller can be increased accordingly.

Description

Slurry pump with good sealing effect

Technical Field

The invention relates to the field of slurry pumps, in particular to a slurry pump with a good sealing effect.

Background

A slurry pump (slurry pump) is a centrifugal pump which is advanced and developed in recent years due to larger material transportation particles and has higher efficiency and relatively stronger performance. The slurry pump conceptually refers to a device for converting electric energy into kinetic energy and potential energy of a medium by a mechanism for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the industries of mines, power plants, dredging, metallurgy, chemical industry, building materials, petroleum and the like. In addition, the slurry pump can be divided into different types from different angles. Besides pumping water, the water pump can pump gas, solid and solid-liquid mixture (such as mineral powder slurry), the proportion of electricity used by the water pump in the total national electricity is large, the energy-saving condition of the water pump has important influence on national economy, and the water pump plays an active role in the energy-saving link and also plays an important role in the thermal power generation emission reduction process. The slurry pump not only saves energy by 4-8% compared with similar products, but also contributes to reducing atmospheric haze.

The existing slurry pump is poor in sealing effect, when the pump body transmits some liquid-containing materials, because the impeller can generate a large centrifugal force when rotating, some liquid can be thrown away, and some materials can touch with the main shaft, on the one hand, the outer surface of the main shaft can be abraded, on the other hand, the rotating friction force of the main shaft can be increased, the rotating speed of the main shaft is reduced, the conveying efficiency of the whole materials is reduced, in addition, the discharge port is easily blocked when some large materials pass through the pump body, and the pump body cannot be normally used.

Disclosure of Invention

The invention aims to: in order to solve the problems of poor sealing effect of the pump body, reduction of the rotating speed of the main shaft and blockage of the discharge hole by materials, the slurry pump with good sealing effect is provided.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sealed effectual sediment stuff pump, includes the pump body, one side of the pump body is connected with the shell, the top both sides of shell are provided with the oil box, the extrusion groove has been seted up to the both sides of oil box, the bottom of oil box is connected with out oil pipe, the inner wall of shell is provided with the sealing strip, the inside of shell is provided with the main shaft, anticorrosive coating has been cup jointed to the surface of main shaft, one side of shell is connected with the shaft coupling, the bottom of shell is fixed with the bracket, the discharge gate has been seted up at the top of the pump body, the feed inlet has been seted up to the bottom of the pump body, the inside of the pump body is provided with the impeller, right electric putter is all installed to the inside both sides of the pump body, electric putter's top is fixed with the.

Preferably, the extrusion groove is arc-shaped, and the outer surface of the extrusion groove is provided with a wear pad.

Preferably, the oil outlet pipe is provided with a plurality of, two the oil outlet pipe is a set of, and a set of the oil outlet pipe is "eight" font.

Preferably, three impellers are arranged, and the three impellers are parallel to each other.

Preferably, one end of the main shaft penetrates through the interior of the pump body and extends to one side of the interior of the pump body.

Preferably, the caliber of the discharge port is the same as that of the feed port, and the bracket is connected with the shell in a welding manner.

Preferably, the anti-blocking needle is provided with a plurality of, and is a plurality of anti-blocking needle is the slope form setting.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, by arranging the sealing strip, the oil box, the extrusion groove, the oil outlet pipe and the anticorrosive coating, when the pump body is used for conveying materials, the pump body is connected with a power supply, then the materials to be conveyed are placed into the feed inlet, the coupler drives the main shaft to rotate, the main shaft drives the impeller to rotate to generate centrifugal force to convey the materials, the anticorrosive coating can prevent the main shaft from being corroded by some liquid materials, when the contact rotating speed of the main shaft and the materials is reduced, a user can hold the extrusion groove to extrude the oil box, lubricating oil in the oil box can flow on the main shaft along the oil outlet pipe, so that the friction force when the main shaft rotates is reduced, the rotating speed is increased, the rotating speed of the impeller can be increased accordingly;

2. according to the invention, through the arrangement of the impellers, the electric push rods, the push plates and the anti-blocking needles, the three impellers can drive more materials to be transported, when a pump body transports a large amount of materials and the discharge port is blocked by the materials, a user starts the two electric push rods, the two electric push rods push the push plates and the anti-blocking needles to move upwards, and the push plates and the anti-blocking needles push the materials blocked at the discharge port to the outside of the pump body, so that the discharge port is smooth.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a pump body according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is an enlarged schematic view of the structure at B of the present invention.

In the figure: 1. a pump body; 2. a coupling; 3. a discharge port; 4. a feed inlet; 5. a guard plate; 6. a bracket; 7. a housing; 8. an oil box; 9. a sealing strip; 10. a main shaft; 11. an impeller; 12. an electric push rod; 13. Pushing the plate; 14. extruding a groove; 15. an oil outlet pipe; 16. an anti-corrosion coating; 17. prevent stifled needle.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-4, a slurry pump with good sealing effect comprises a pump body 1, a coupling 2, a discharge port 3, a feed port 4, a guard plate 5, a bracket 6, a shell 7, an oil box 8, a sealing strip 9, a main shaft 10, an impeller 11, an electric push rod 12, a push plate 13, an extrusion groove 14, an oil outlet pipe 15, an anticorrosive coating 16 and an anti-blocking needle 17; one side of the pump body 1 is connected with shell 7, the top both sides of shell 7 are provided with oil box 8, extrusion groove 14 has been seted up to oil box 8's both sides, oil box 8's bottom is connected with out oil pipe 15, shell 7's inner wall is provided with sealing strip 9, shell 7's inside is provided with main shaft 10, anticorrosive coating 16 has been cup jointed to main shaft 10's surface, one side of shell 7 is connected with shaft coupling 2, shell 7's bottom is fixed with bracket 6, discharge gate 3 has been seted up at the top of the pump body 1, feed inlet 4 has been seted up to the bottom of the pump body 1, the inside of the pump body 1 is provided with impeller 11, right electric putter 12 is all installed to the inside both sides of the pump body 1, electric putter 12's top is fixed with push pedal 13, the.

Please refer to fig. 3, the extrusion groove 14 is arc-shaped, and the outer surface of the extrusion groove 14 is provided with a wear pad, the extrusion groove 14 is convenient for a user to extrude the lubricating oil in the oil box 8, the oil outlet pipes 15 are provided in a plurality, two oil outlet pipes 15 form a group, and the oil outlet pipes 15 in a group are in a shape of "eight", and the plurality of oil outlet pipes 15 enable the lubricating oil to be smeared on the outer surface of the main shaft 10.

Please refer to fig. 1-4, three impellers 11 are disposed, the three impellers 11 are parallel to each other, the three impellers 11 can drive more materials to be transported, one end of the main shaft 10 penetrates through the inside of the pump body 1 and extends to one side of the inside of the pump body 1, and the main shaft 10 drives the impellers 11 to rotate to generate centrifugal force to transport the materials.

Please refer to fig. 1, 2 and 4, the aperture of the discharge port 3 is the same as that of the feed port 4, the bracket 6 is welded with the housing 7, the welded joint has good sealing performance and firm structure, the anti-blocking needles 17 are arranged in plurality, the anti-blocking needles 17 are arranged in an inclined manner, and the anti-blocking needles 17 can extrude the material blocked at the discharge port 3.

The working principle is as follows: firstly, when the pump body 1 is used for conveying materials, the pump body 1 is firstly powered on, then the materials to be conveyed are placed into the feed inlet 4, the shaft coupling 2 drives the main shaft 10 to rotate, the main shaft 10 drives the impeller 11 to rotate to generate centrifugal force to convey the materials, the anticorrosion coating 16 can prevent the main shaft 10 from being corroded by some liquid materials, when the contact rotating speed of the main shaft 10 and the materials is reduced, a user can hold the extrusion groove 14 to extrude the oil box 8, lubricating oil in the oil box 8 can flow on the main shaft 10 along the oil outlet pipe 15, so that the friction force when the main shaft 10 rotates is reduced, the rotating speed is increased, the impeller 11 can also increase the rotating speed, three impellers 11 can drive more materials to be conveyed, when the pump body 1 conveys some materials with larger volume, when the materials block the discharge port 3, the user starts the two electric push rods 12, the two electric push rods 12 push the push plates, the push plate 13 and the anti-blocking needle 17 push the materials blocked at the discharge port 3 to the outside of the pump body 1, so that the subsequent material discharge is smooth.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed effectual sediment stuff pump, includes the pump body (1), its characterized in that: one side of the pump body (1) is connected with a shell (7), oil boxes (8) are arranged on two sides of the top of the shell (7), extrusion grooves (14) are formed in two sides of each oil box (8), an oil outlet pipe (15) is connected to the bottom of each oil box (8), sealing strips (9) are arranged on the inner wall of each shell (7), a main shaft (10) is arranged inside each shell (7), an anti-corrosion coating (16) is sleeved on the outer surface of each main shaft (10), a coupler (2) is connected to one side of each shell (7), a bracket (6) is fixed to the bottom of each shell (7), a discharge port (3) is formed in the top of the pump body (1), a feed inlet (4) is formed in the bottom of the pump body (1), an impeller (11) is arranged inside the pump body (1), and electric push rods (12) are arranged on two sides of the, the top of electric putter (12) is fixed with push pedal (13), the top of push pedal (13) is provided with prevents stifled needle (17), the opposite side of the pump body (1) is connected with backplate (5).

2. The slurry pump with good sealing effect according to claim 1, characterized in that: the extrusion groove (14) is arc-shaped, and the outer surface of the extrusion groove (14) is provided with a wear-resistant pad.

3. The slurry pump with good sealing effect according to claim 1, characterized in that: the oil outlet pipe (15) is provided with a plurality of, two the oil outlet pipe (15) is a set of, and a set of the oil outlet pipe (15) is "eight" font.

4. The slurry pump with good sealing effect according to claim 1, characterized in that: the number of the impellers (11) is three, and the three impellers (11) are parallel to each other.

5. The slurry pump with good sealing effect according to claim 1, characterized in that: one end of the main shaft (10) penetrates through the interior of the pump body (1) and extends to one side of the interior of the pump body (1).

6. The slurry pump with good sealing effect according to claim 1, characterized in that: the caliber of the discharge port (3) is the same as that of the feed port (4), and the bracket (6) is connected with the shell (7) in a welding manner.

7. The slurry pump with good sealing effect according to claim 1, characterized in that: prevent stifled needle (17) and be provided with a plurality ofly, and a plurality of prevent stifled needle (17) are the slope form setting.