Slurry pump capable of preventing impeller from being blocked

Abstract

The utility model relates to the technical field of slurry pumps, and discloses a slurry pump capable of preventing an impeller from being blocked, which comprises a pump body, the impeller is rotatably connected in the pump body, the left side of the impeller is connected with a mounting piece through a fixing assembly, a sealing assembly is arranged between the impeller and the mounting piece, the left side of the mounting piece is fixedly connected with a plug connector, and the plug connector is fixedly connected with a plug connector. A connecting piece is arranged on the left side of the inserting piece, connecting grooves are formed in the outer wall of the connecting piece and the outer wall of the inserting piece, and the connecting piece and the inserting piece are fixedly connected by inserting fixing screws into the connecting grooves. According to the utility model, through the cooperation of the extrusion plate, the spring, the fixing bolt and the like, the sealing ring II and the sealing ring III can be tightly fixed, particles are effectively prevented from entering the connecting part of the mounting piece and the impeller, the blocking condition of the impeller is effectively reduced, the impeller mounting mode is relatively simple and convenient to operate, all parts are tightly and stably connected, and the pump body can be kept in a good closed state; the efficient slurry treatment process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slurry pump especially relates to a prevent the slurry pump of impeller jam. BACKGROUND

[0002] In the field of mine, metallurgy, chemical industry, sewage treatment, slurry pump as a commonly used conveying equipment, is widely used in the liquid conveying containing particle, silt, chemical corrosive medium. One of the core components of slurry pump is impeller, impeller in the process of high-speed rotation will deliver energy to medium, so as to achieve the purpose of fluid delivery. However, due to the slurry pump often needs to handle the slurry containing solid particles, these particles may cause the impeller to be severely worn when flowing in the pump, even the jam phenomenon occurs, and then affect the normal operation of the pump, increase the maintenance cost, reduce the work efficiency.

[0003] In the long-time running process of slurry pump, the solid particles in the slurry are easy to accumulate in the pump body, especially at the gap between the impeller and the pump shell, forming a blockage, which leads to the decrease of the working efficiency of the pump, and even the jam failure. The existing automatic cleaning device cannot completely solve this problem, and the pump body may be damaged during the cleaning process. In view of the technical problem, the present application provides a slurry pump for preventing impeller jam. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of slurry pumps for preventing impeller jam, and the sealing ring two, three are tightly fixed by extrusion plate, spring and fixed bolt cooperation, effectively prevent particles from entering the connecting place of mounting piece and impeller, effectively reduce the jam situation of impeller, and the operation of impeller installation mode is relatively simple, and each component is connected tightly and stably, can make pump body maintain good closed state, ensure that slurry treatment process is carried out efficiently.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of slurry pump for preventing impeller jam, including pump body, the pump body inside rotationally connected with impeller, the impeller left side is connected with mounting piece by fixed component, and sealing assembly is arranged between the impeller and mounting piece, the mounting piece left side is fixedly connected with plug-in piece, the plug-in piece left side is provided with connecting piece, connecting groove is formed in the outer wall of the connecting piece and plug-in piece, the connecting piece and plug-in piece are fixedly connected by inserting fixed screw into connecting groove, rotating shaft is fixedly connected in the connecting piece, the pump body right end is connected with front cover plate by mounting bolt, sealing ring one is arranged between the pump body and front cover plate.

[0007] Further, the fixing assembly comprises a limiting piece fixedly connected to the right side of the mounting piece, the impeller is provided with an insertion slot on the left side, the limiting piece is arranged in the insertion slot, the inner wall of the insertion slot is provided with a fixing slot, and a fixing bolt is threadedly connected in the fixing slot and rotationally connected in the limiting piece.

[0008] Further, the fixing bolt is provided with a rubber plug on the left side, and the rubber plug is arranged in the mounting piece.

[0009] Further, the sealing assembly comprises an extrusion plate arranged on the right side of the mounting piece, the extrusion plate is connected to the inside of the mounting piece through a spring on the left side, a sealing ring three is arranged between the mounting piece and the extrusion plate, and the extrusion plate is provided with a sealing ring two on the right side.

[0010] Further, the impeller is provided with a splicing slot on the left side, and the extrusion plate, the sealing ring two and the sealing ring three are arranged in the splicing slot.

[0011] Further, the pump body is provided with a motor on the left side, and the driving end of the motor is fixedly connected to the left end of the rotating shaft.

[0012] Further, the front cover plate is fixedly connected with a water inlet pipe on the right side.

[0013] Further, the pump body is provided with a water outlet pipe on the top.

[0014] The utility model has the following beneficial effects:

[0015] 1、 in the utility model, through extrusion plate, spring and fixed bolt etc. cooperation, can be fixed tightly to sealing ring two, three, effectively prevent the particle from entering the mounting piece and the impeller joint, effectively reduce the impeller jam situation, reduce the component wear, prolong the service life, and add rubber plug behind the fixed bolt, can prevent sewage erosion mounting piece, improve the overall durability and stability of the device.

[0016] 2、 in the utility model, the impeller installation mode operation is relatively simple, and the components are connected tightly and stably, so that the pump body can maintain a good closed state, ensure that the slurry treatment process is carried out efficiently, when the motor drives the rotating shaft to drive the impeller to rotate, the whole device runs stably, can effectively handle the slurry transported by the water inlet pipe, and smoothly transport it to the subsequent process through the water outlet pipe, guarantee the continuity and reliability of the process flow. DRAWINGS

[0017] Figure 1 A three-dimensional view of a slurry pump for preventing impeller jamming is provided for the utility model;

[0018] Figure 2 A front cover plate structure schematic view of a slurry pump for preventing impeller jamming is provided for the utility model;

[0019] Figure 3 A sealing ring one structure schematic view of a slurry pump for preventing impeller jam is provided in the utility model.

[0020] Figure 4 A pump body internal structure schematic view of a slurry pump for preventing impeller jam is provided in the utility model.

[0021] Figure 5 A plug-in part structure schematic view of a slurry pump for preventing impeller jam is provided in the utility model.

[0022] Figure 6 A mounting part partial sectional view of a slurry pump for preventing impeller jam is provided in the utility model.

[0023] Figure 7 A fixed assembly structure schematic view of a slurry pump for preventing impeller jam is provided in the utility model.

[0024] Figure 8 An impeller sectional view of a slurry pump for preventing impeller jam is provided in the utility model.

[0025] Legend:

[0026] 1, pump body; 2, water outlet pipe; 3, motor; 4, water inlet pipe; 5, front cover plate; 6, sealing ring one; 7, rotating shaft; 8, connecting piece; 9, mounting part; 10, impeller; 11, plug-in part; 12, extrusion plate; 13, sealing ring two; 14, spring; 15, rubber plug; 16, fixing bolt; 17, limiting part; 18, sealing ring three. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Refer to Figures 1-3The utility model provides an embodiment: a kind of slurry pump to prevent impeller jam, including pump body 1, rotatingly connected with impeller 10 in pump body 1, and the left side of impeller 10 is connected with mounting piece 9 by limiting piece 17, and extrusion plate 12 is arranged between impeller 10 and mounting piece 9, and the left side of mounting piece 9 is fixedly connected with plug connector 11, and plug connector 11 left side is provided with connecting piece 8, and connecting piece 8 and plug connector 11 outer wall are all provided with connecting groove, and connecting piece 8 and plug connector 11 are fixedly connected by inserting fixed screw into the inside of connecting groove, and rotating shaft 7 is fixedly connected in connecting piece 8, and the right end of pump body 1 is connected with front cover plate 5 by mounting bolt, and sealing ring one 6 is arranged between pump body 1 and front cover plate 5, and motor 3 is arranged on the left side of pump body 1, and motor 3 drive end is fixedly connected on the left end of rotating shaft 7, and front cover plate 5 right side is fixedly connected with water inlet pipe 4, and pump body 1 top is provided with water outlet pipe 2;

[0029] Specifically, impeller 10 that has been connected is carefully placed on rotating shaft 7 inside pump body 1, at this time rotating shaft 7 will resist rubber plug 15 from the position where plug connector 11 is located, then, plug connector 11 is inserted into the inside of connecting piece 8, and the connecting groove on the two is carefully aligned, then fixed screw is screwed using tools, the fastening effect of fixed screw makes plug connector 11 and connecting piece 8 tightly fixed together, through this series of rigorous operation steps, impeller 10 is successfully installed to the inside of pump body 1, after the installation of impeller 10 is completed, front cover plate 5 and sealing ring one 6 are connected to pump body 1 using connecting bolt, during the connecting process, sealing ring one 6 and pump body 1 must be in close contact, cannot exist gap or loose condition, when sealing ring one 6 and pump body 1 are in close contact, pump body 1 is in good closed state, can effectively prevent mud or sewage from leaking during the operation of pump body 1, start motor 3, after motor 3 starts to work, rotating shaft 7 will be driven to rotate at high speed, the rotation of rotating shaft 7 will be transmitted to impeller 10 inside pump body 1, so that impeller 10 also rotates at high speed, at this time, mud transported from water inlet pipe 4 will enter the inside of pump body 1, under the centrifugal force generated by the high-speed rotation of impeller 10, mud will flow and a series of complex processing processes in the inside of pump body 1, after the processing of impeller 10, mud will be endowed with enough energy and pressure, finally transported to subsequent process through water outlet pipe 2, so that the delivery and processing function of slurry pump to mud is realized, meet the requirement of entire industrial production process to mud processing and delivery.

[0030] Refer to Figures 4-6The right side of the mounting piece 9 is fixedly connected with a limiting piece 17, the left side of the impeller 10 is provided with a plug-in slot, the limiting piece 17 is arranged in the plug-in slot, the inner wall of the plug-in slot is provided with a fixing slot, the fixing slot is threadedly connected with a fixing bolt 16, the fixing bolt 16 is rotatably connected in the limiting piece 17, the left side of the fixing bolt 16 is provided with a rubber plug 15, and the rubber plug 15 is arranged in the limiting piece 17.

[0031] Specifically, the limiting piece 17 is accurately inserted into the plug-in slot of the impeller 10, then the fixing bolt 16 is inserted into the limiting piece 17, and the fixing bolt 16 is smoothly inserted into the fixing slot of the impeller 10, when the mounting piece 9 and the impeller 10 are firmly fixed by the fixing bolt 16, a rubber plug 15 is added at the rear end position of the fixing bolt 16, and the rubber plug 15 mainly prevents sewage from penetrating into the mounting piece 9, thereby avoiding erosion and damage of the mounting piece 9 caused by sewage, and ensuring that the mounting piece 9 can stably operate for a long time in a harsh working environment.

[0032] Referring to Figure 7 and Figure 8 The right side of the mounting piece 9 is provided with an extrusion plate 12, the left side of the extrusion plate 12 is connected to the inside of the mounting piece 9 through a spring 14, a sealing ring three 18 is arranged between the mounting piece 9 and the extrusion plate 12, the right side of the extrusion plate 12 is provided with a sealing ring two 13, the left side of the impeller 10 is provided with a splicing slot, and the extrusion plate 12, the sealing ring two 13 and the sealing ring three 18 are arranged in the splicing slot.

[0033] Specifically, the sealing ring two 13 is arranged in the splicing slot of the impeller 10, then the extrusion plate 12 is taken and placed in a position capable of effectively resisting the sealing ring two 13, with the rotation of the fixing bolt 16, the mounting piece 9 is gradually fixed to the impeller 10, and when the fixing bolt 16 is continuously rotated, the extrusion plate 12 can apply stable and sufficient pressure to the sealing ring two 13 under the elastic force of the spring 14, so as to tightly fix the sealing ring two 13, and since the extrusion plate 12 is connected to the inside of the mounting piece 9 through the spring 14, the extrusion plate 12 can also tightly fix the sealing ring three 18 in the process.

[0034] Working principle: first, the sealing ring two 13 is put into the splicing groove on the impeller 10, then the extrusion plate 12 is used to resist it, at the same time, the limiting piece 17 is inserted into the insertion groove on the impeller 10, the fixing bolt 16 is inserted from the inside of the limiting piece 17 to enter the fixing groove on the impeller 10, the mounting piece 9 is fixed to the impeller 10 by rotating the fixing bolt 16, and the extrusion plate 12 is tightly fixed to the sealing ring two 13 by continuous rotation, at the same time, the sealing ring three 18 can also be tightly fixed due to the fact that the extrusion plate 12 is connected to the inside of the mounting piece 9 through the spring 14, so as to prevent particles from entering the connection part to damage it, after the mounting piece 9 and the impeller 10 are fixed by the fixing bolt 16, a rubber plug 15 is added behind the fixing bolt 16 to prevent sewage from entering the inside of the mounting piece 9 to erode it, the connected device is put into the rotating shaft 7 in the pump body 1, so that the rotating shaft 7 resists the rubber plug 15 from the insertion piece 11, the insertion piece 11 is connected to the inside of the connecting piece 8, the connecting grooves on the two are aligned, and the two are fixed by screwing the fixing screw, so that the impeller 10 is installed in the pump body 1, then the front cover plate 5 and the sealing ring one 6 are connected to the pump body 1 by the connecting bolt, the sealing ring one 6 is in contact with the pump body 1, so that the pump body 1 is in a closed state, then the motor 3 is started to rotate the impeller 10 in the pump body 1 through the rotating shaft 7, and the mud transported from the water inlet pipe 4 is treated, finally, the mud is transported to the subsequent process through the water outlet pipe 2.

[0035] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A slurry pump with anti-clogging impeller, comprising a pump body (1), characterized in that: The pump body (1) is internally rotatably connected with an impeller (10), the left side of the impeller (10) is connected with a mounting piece (9) through a fixing assembly, and a sealing assembly is arranged between the impeller (10) and the mounting piece (9), the left side of the mounting piece (9) is fixedly connected with a plug-in piece (11), the left side of the plug-in piece (11) is provided with a connecting piece (8), the connecting piece (8) and the plug-in piece (11) are both provided with a connecting groove in the outer wall, and the connecting piece (8) and the plug-in piece (11) are fixedly connected by inserting a fixing screw into the connecting groove, the connecting piece (8) is fixedly connected with a rotating shaft (7) in the inside, the right end of the pump body (1) is connected with a front cover plate (5) through a mounting bolt, and a sealing ring one (6) is arranged between the pump body (1) and the front cover plate (5).

2. A slurry pump with anti-impeller jamming according to claim 1, characterized in that: The fixing assembly comprises a limiting piece (17) fixedly connected with the right side of the mounting piece (9), the left side of the impeller (10) is provided with a plug-in groove, the limiting piece (17) is arranged in the plug-in groove, and the inner wall of the plug-in groove is provided with a fixing groove.

3. A slurry pump to prevent impeller jamming as claimed in claim 2, wherein: The left side of the fixing screw (16) is provided with a rubber plug (15), and the rubber plug (15) is arranged in the mounting piece (9).

4. The anti-cavitation slurry pump of claim 1, wherein: The sealing assembly comprises an extrusion plate (12) arranged on the right side of the mounting piece (9), the left side of the extrusion plate (12) is connected in the mounting piece (9) through a spring (14), a sealing ring three (18) is arranged between the mounting piece (9) and the extrusion plate (12), and the right side of the extrusion plate (12) is provided with a sealing ring two (13).

5. A slurry pump to prevent impeller jamming as claimed in claim 4 wherein: The left side of the impeller (10) is provided with a splicing groove, and the extrusion plate (12), the sealing ring two (13) and the sealing ring three (18) are arranged in the splicing groove.

6. A slurry pump to prevent impeller jamming as claimed in claim 1, wherein: The left side of the pump body (1) is provided with a motor (3), and the driving end of the motor (3) is fixedly connected with the left end of the rotating shaft (7).

7. A slurry pump to prevent impeller jamming as claimed in claim 1, wherein: The right side of the front cover plate (5) is fixedly connected with a water inlet pipe (4).

8. A slurry pump to prevent impeller jamming as claimed in claim 1, wherein: The top of the pump body (1) is provided with a water outlet pipe (2).

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