Corrosion-resistant rubber rear protective plate of slurry pump

Abstract

The utility model relates to the technical field of slurry pump rear protection plates, and provides a slurry pump corrosion-resistant rubber rear protection plate which comprises a center plate and an edge plate, the edge plate is arranged on the outer side of the center plate in a sleeved mode, the center plate comprises an upper cover plate and a lower cover plate, a buffer plate is arranged between the upper cover plate and the lower cover plate, and the buffer plate abuts against the upper cover plate and the lower cover plate. The upper cover plate and the lower cover plate are provided with first connecting structures used for being detachably connected with each other, and the upper cover plate and the lower cover plate are detachably connected through the first connecting structures. The edge plate comprises a first arc-shaped plate and a second arc-shaped plate, second connecting structures used for mutual detachable connection are arranged at the two ends of the first arc-shaped plate and the two ends of the second arc-shaped plate correspondingly, and the two ends of the first arc-shaped plate and the two ends of the second arc-shaped plate are detachably connected through the second connecting structures correspondingly. By means of the technical scheme, the problems that in the prior art, a rear protection plate is generally designed to be of an integral structure, when the rear protection plate is locally abraded or corroded, the whole rear protection plate needs to be replaced, and the use cost is greatly increased are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slag pump rear guard plate, specifically, relates to a slag pump corrosion -resistant rubber rear guard plate. BACKGROUND

[0002] Slag pump is a kind of mechanical equipment for conveying solid particles liquid, is widely used in mining, metallurgy, chemical industry, electric power and other industries. The internal components of slag pump are easily abraded and corroded due to long-term contact with solid particles, so effective protective measures are needed. As one of the key components of slag pump, the main function of rear guard plate is to protect the pump body from abrasion and corrosion, and prolong the service life of the pump.

[0003] The existing slag pump rear guard plate mainly adopts wear-resistant materials, such as high chromium cast iron, rubber or polyurethane, although these materials can improve the wear resistance and corrosion resistance of the rear guard plate to some extent, but there are still some problems. The current rear guard plate design is usually of integral structure, when the rear guard plate is locally abraded or corroded, the entire rear guard plate must be replaced. This greatly increases the use cost. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of slag pump corrosion -resistant rubber rear guard plate, solve the problem that the rear guard plate design in relevant technology is usually of integral structure, when the rear guard plate is locally abraded or corroded, the entire rear guard plate must be replaced, greatly increase use cost.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of slag pump corrosion -resistant rubber rear guard plate, including center plate and edge plate, the edge plate is sleeved in the outside of center plate, the middle part of the center plate is equipped with middle hole, the center plate is equipped with several fixed holes, the center plate includes upper cover plate and lower cover plate, buffer plate is equipped between the upper cover plate and lower cover plate, the buffer plate is in abutment with upper cover plate, lower cover plate, the upper cover plate and lower cover plate are equipped with the first connecting structure for mutually detachable connection, the upper cover plate and lower cover plate are detachably connected by the first connecting structure.

[0007] The edge plate includes first arc-shaped plate and second arc-shaped plate, the two ends of the first arc-shaped plate and second arc-shaped plate are equipped with the second connecting structure for mutually detachable connection, the two ends of the first arc-shaped plate and second arc-shaped plate are detachably connected by the second connecting structure respectively.

[0008] Further, the buffer plate is equipped with several honeycomb holes, and the several honeycomb holes are evenly distributed on the buffer plate and form a honeycomb structure.

[0009] Further, the first connecting structure comprises a first outer magnet, a second outer magnet, a first inner magnet and a second inner magnet, the first outer magnet is embedded and fixed on one side of the upper cover plate facing the lower cover plate and close to the edge plate, the second outer magnet is embedded and fixed on one side of the lower cover plate facing the upper cover plate and close to the edge plate, the first inner magnet is embedded and fixed on one side of the upper cover plate facing the lower cover plate and close to the middle hole, the second inner magnet is embedded and fixed on one side of the lower cover plate facing the upper cover plate and close to the middle hole, the first outer magnet is magnetically connected with the second outer magnet, the first inner magnet is magnetically connected with the second inner magnet, and the buffer plate is located between the first outer magnet and the first inner magnet and between the second outer magnet and the second inner magnet.

[0010] Further, the second connecting structure comprises two first side magnets and two second side magnets, both ends of the first arc-shaped plate are provided with fixed grooves, the two first side magnets are embedded in the two fixed grooves respectively, the first side magnet is fixedly connected with the first arc-shaped plate, both ends of the second arc-shaped plate are provided with fixed protrusions, the two second side magnets are fixedly connected with the two fixed protrusions respectively, the two fixed protrusions are embedded in the two fixed grooves respectively, and the first side magnet is magnetically connected with the second side magnet.

[0011] Further, the upper cover plate is provided with a first dismounting groove for facilitating maintenance personnel to separate the upper cover plate from the lower cover plate, and a first sealing plug is embedded in the first dismounting groove.

[0012] The second arc-shaped plate is provided with a second dismounting groove for facilitating maintenance personnel to separate the first arc-shaped plate from the second arc-shaped plate, and a second sealing plug is embedded in the second dismounting groove.

[0013] Further, the center plate is composed of a composite material of ceramic and rubber, the edge plate is composed of high-chromium cast iron material, and the buffer plate is composed of rubber material.

[0014] The working principle and beneficial effects of the utility model are as follows:

[0015] The utility model discloses a rear guard plate, which comprises a center plate, an edge plate, a first arc-shaped plate and a second arc-shaped plate, and a buffer plate, wherein the center plate is connected with the edge plate through a first connecting structure, the first arc-shaped plate is connected with the second arc-shaped plate through a second connecting structure, and the buffer plate is arranged between the center plate and the edge plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 It is the structure diagram of the utility model;

[0018] Figure 2 It is the explosion drawing of the utility model;

[0019] Figure 3 It is the top view of the utility model;

[0020] Figure 4 It is the internal structure section view of the utility model;

[0021] Figure 5 It is Figure 3 the section view of A-A.

[0022] In the drawing: 1, center plate; 2, edge plate; 3, buffer plate; 11, upper cover plate; 12, lower cover plate; 13, middle hole; 14, fixed hole; 15, first sealing plug; 16, second sealing plug; 21, first arc-shaped plate; 22, second arc-shaped plate; 31, honeycomb hole; 111, first outer magnet; 112, first inner magnet; 113, first dismounting groove; 121, second outer magnet; 122, second inner magnet; 211, fixed recess; 212, first side magnet; 221, fixed protrusion; 222, second side magnet; 223, second dismounting groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0024] As Figures 1-5As shown, the present embodiment proposes a kind of slag pump corrosion-resistant rubber back shield, including center plate 1 and edge plate 2, edge plate 2 is set in the outer side of center plate 1, the middle part of center plate 1 is provided with middle hole 13, center plate 1 is provided with several fixed holes 14, center plate 1 includes upper cover plate 11 and lower cover plate 12, buffer plate 3 is arranged between upper cover plate 11 and lower cover plate 12, buffer plate 3 is in abutment with upper cover plate 11, lower cover plate 12, upper cover plate 11 and lower cover plate 12 are provided with the first connecting structure for being detachably connected with each other, and upper cover plate 11 and lower cover plate 12 are detachably connected by the first connecting structure;Edge plate 2 includes first arc-shaped plate 21 and second arc-shaped plate 22, the two ends of first arc-shaped plate 21 and second arc-shaped plate 22 are provided with the second connecting structure for being detachably connected with each other, and the two ends of first arc-shaped plate 21 and second arc-shaped plate 22 are detachably connected by the second connecting structure respectively.

[0025] Center plate 1 is the main structural part of back shield, provides basic support and protection;Edge plate 2 is set in the outer side of center plate 1, increases overall strength and wear resistance.Middle hole 13 is used for making the pump shaft of slag pump pass through.Fixed hole 14 is used for making bolt pass through, and then the back shield is fixed on the slag pump, to ensure its stability during working process.Upper cover plate 11 and lower cover plate 12 constitute the upper and lower parts of center plate 1, provide structural support and protection;Through the first connecting structure, upper cover plate 11 and lower cover plate 12 can be quickly disassembled and assembled, buffer plate 3 is convenient to disassemble and replace, and maintenance cost is effectively reduced.Buffer plate 3 is arranged between upper cover plate 11 and lower cover plate 12, provides buffering and damping function;Buffer plate 3 can absorb and alleviate the impact force of solid particles, reduce the direct damage to center plate 1, and improve the service life of back shield.First arc-shaped plate 21 and second arc-shaped plate 22 constitute two parts of edge plate 2, surround the outer side of center plate 1, and the separation design of first arc-shaped plate 21 and second arc-shaped plate 22 facilitates the installation and disassembly of edge plate 2, and makes it only need to replace the damaged arc-shaped plate when local wear or corrosion occurs, avoids overall replacement, and reduces use cost.

[0026] In the embodiment, buffer plate 3 is provided with a plurality of honeycomb holes 31, and the plurality of honeycomb holes 31 are uniformly distributed on buffer plate 3 and form a honeycomb structure.The honeycomb structure provides excellent impact resistance and energy absorption performance through its geometric design.Honeycomb holes 31 can effectively disperse and absorb impact force, improve the damping effect of buffer plate 3.At the same time, the honeycomb structure makes buffer plate 3 more lightweight, reduces the weight of the overall back shield, and is convenient for installation and maintenance.The design of honeycomb holes 31 can reduce the use of materials without affecting the buffering performance, and reduce the cost.

[0027] In this embodiment, the first connecting structure includes a first outer magnet 111, a second outer magnet 121, a first inner magnet 112, and a second inner magnet 122. The first outer magnet 111 is embedded and fixed on the side of the upper cover plate 11 facing the lower cover plate 12 and close to the edge plate 2. The second outer magnet 121 is embedded and fixed on the side of the lower cover plate 12 facing the upper cover plate 11 and close to the edge plate 2. The first inner magnet 112 is embedded and fixed on the side of the upper cover plate 11 facing the lower cover plate 12 and close to the middle hole 13. The second inner magnet 122 is embedded and fixed on the side of the lower cover plate 12 facing the upper cover plate 11 and close to the middle hole 13. The first outer magnet 111 is magnetically connected with the second outer magnet 121, and the first inner magnet 112 is magnetically connected with the second inner magnet 122. The buffer plate 3 is located between the first outer magnet 111 and the first inner magnet 112 and between the second outer magnet 121 and the second inner magnet 122. The first outer magnet 111 and the second outer magnet 121 are magnetically connected to achieve peripheral fixation of the upper cover plate 11 and the lower cover plate 12. The first inner magnet 112 and the second inner magnet 122 are magnetically connected to achieve central fixation of the upper cover plate 11 and the lower cover plate 12. The magnetic connection provides a mechanical lock-free connection method, avoiding the complexity and possible wear caused by bolts or buckles, ensuring firm peripheral connection, while facilitating quick disassembly. The magnetic connection in the central part further enhances the overall stability of the upper cover plate 11 and the lower cover plate 12, preventing them from loosening under high vibration or high pressure, while also facilitating quick disassembly and assembly.

[0028] The connection of the upper cover plate 11 and the lower cover plate 12 can further adopt a recess and protrusion embedded connection. Positioning recesses (not labeled in the figure) are arranged on the upper cover plate 11 near the edge plate 2 and near the middle hole 13, and positioning protrusions (not labeled in the figure) are arranged on the lower cover plate 12 near the edge plate 2 and the middle hole 13. The positioning protrusions are embedded in the positioning recesses. The positioning protrusions and the positioning recesses can enable precise alignment of the connection of the upper cover plate 11 and the lower cover plate 12, while increasing the sealing performance of the connection of the upper cover plate 11 and the lower cover plate 12.

[0029] In the embodiment, the second connecting structure includes two first side magnets 212 and two second side magnets 222, both ends of the first arc-shaped plate 21 are provided with fixed grooves 211, two first side magnets 212 are respectively embedded in the two fixed grooves 211, the first side magnet 212 is fixedly connected with the first arc-shaped plate 21, both ends of the second arc-shaped plate 22 are provided with fixed protrusions 221, two second side magnets 222 are respectively fixedly connected with the two fixed protrusions 221, the two fixed protrusions 221 are respectively embedded in the two fixed grooves 211, and the first side magnet 212 is magnetically connected with the second side magnet 222. The first side magnet 212 and the second side magnet 222 are magnetically connected, so as to realize the connection of the first arc-shaped plate 21 and the second arc-shaped plate 22. The design of the fixed grooves 211 and the fixed protrusions 221 enables the first side magnet 212 and the second side magnet 222 to be accurately aligned, enhances the stability and reliability of the magnetic connection, and ensures that the connection between the arc-shaped plates is tight and firm.

[0030] The first outer magnet 111, the second outer magnet 121, the first inner magnet 112, the second inner magnet 122, the first side magnet 212, and the second side magnet 222 can all be neodymium magnets.

[0031] In the embodiment, the upper cover plate 11 is provided with a first disassembly groove 113 for facilitating maintenance personnel to separate the upper cover plate 11 from the lower cover plate 12, and the first disassembly groove 113 is embedded with a first sealing plug 15; the second arc-shaped plate 22 is provided with a second disassembly groove 223 for facilitating maintenance personnel to separate the first arc-shaped plate 21 from the second arc-shaped plate 22, and the second disassembly groove 223 is embedded with a second sealing plug 16. The first sealing plug 15 and the second sealing plug 16 are both used to prevent the first disassembly groove 113 or the second disassembly groove 223 from being blocked, so that the first disassembly groove 113 and the second disassembly groove 223 cannot play their roles. The first sealing plug 15 and the second sealing plug 16 should be made of a rubber material with high elasticity, so that the first sealing plug 15 and the second sealing plug 16 can be separated from the first disassembly groove 113 or the second disassembly groove 223 through deformation.

[0032] In this embodiment, the center plate 1 is composed of a ceramic and rubber composite material, the edge plate 2 is composed of a high chromium cast iron material, and the buffer plate 3 is composed of a rubber material. The ceramic and rubber composite material has excellent wear resistance and shock absorption performance, and also has corrosion resistance, so that the center plate 1 can be used in a corrosive environment for a long time, reducing the replacement frequency and reducing the maintenance cost. The high chromium cast iron has very high wear resistance, can effectively resist the wear of solid particles, is especially suitable for high wear environment; it also has high strength, can withstand high pressure and high impact force, provides reliable structural support; has good corrosion resistance, is suitable for processing slurry containing corrosive medium, prolongs the service life of the edge plate 2. The rubber material has good elasticity and shock absorption performance, can effectively absorb and buffer the impact force, reduces the direct impact on other parts.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A corrosion-resistant rubber rear guard plate for a slurry pump, comprising a center plate (1) and an edge plate (2), wherein the edge plate (2) is sleeved on the outside of the center plate (1), the center plate (1) has a central hole (13) in the middle, and the center plate (1) has a plurality of fixing holes (14), characterized in that, The center plate (1) includes an upper cover plate (11) and a lower cover plate (12). A buffer plate (3) is provided between the upper cover plate (11) and the lower cover plate (12). The buffer plate (3) abuts against the upper cover plate (11) and the lower cover plate (12). The upper cover plate (11) and the lower cover plate (12) are provided with a first connection structure for detachable connection with each other. The upper cover plate (11) and the lower cover plate (12) are detachably connected through the first connection structure. The edge plate (2) includes a first arc plate (21) and a second arc plate (22). Both ends of the first arc plate (21) and the second arc plate (22) are provided with a second connecting structure for detachable connection with each other. The two ends of the first arc plate (21) and the second arc plate (22) are detachably connected through the second connecting structure.

2. The corrosion-resistant rubber rear guard plate for a slurry pump according to claim 1, characterized in that, The buffer plate (3) is provided with a plurality of honeycomb holes (31), which are evenly distributed on the buffer plate (3) and form a honeycomb structure.

3. The corrosion-resistant rubber rear guard plate for a slurry pump according to claim 1, characterized in that, The first connecting structure includes a first outer magnet (111), a second outer magnet (121), a first inner magnet (112), and a second inner magnet (122). The first outer magnet (111) is embedded and fixed on the side of the upper cover plate (11) facing the lower cover plate (12) and close to the edge plate (2). The second outer magnet (121) is embedded and fixed on the side of the lower cover plate (12) facing the upper cover plate (11) and close to the edge plate (2). The first inner magnet (112) is embedded and fixed on the side of the upper cover plate (11) facing the lower cover plate (12). The second inner magnet (122) is embedded and fixed on one side of the lower cover plate (12) facing the upper cover plate (11) and near the middle hole (13). The first outer magnet (111) and the second outer magnet (121) are magnetically connected. The first inner magnet (112) and the second inner magnet (122) are magnetically connected. The buffer plate (3) is located between the first outer magnet (111) and the first inner magnet (112) and between the second outer magnet (121) and the second inner magnet (122).

4. The corrosion-resistant rubber rear guard plate for a slurry pump according to claim 1, characterized in that, The second connection structure includes two first side magnets (212) and two second side magnets (222). Both ends of the first arc plate (21) are provided with fixing grooves (211). The two first side magnets (212) are respectively embedded in the two fixing grooves (211). The first side magnets (212) are fixedly connected to the first arc plate (21). Both ends of the second arc plate (22) are provided with fixing protrusions (221). The two second side magnets (222) are respectively fixedly connected to the two fixing protrusions (221). The two fixing protrusions (221) are respectively embedded in the two fixing grooves (211). The first side magnets (212) and the second side magnets (222) are magnetically connected.

5. The corrosion-resistant rubber rear guard plate for a slurry pump according to claim 1, characterized in that, The upper cover plate (11) is provided with a first disassembly groove (113) for easy separation of the upper cover plate (11) and the lower cover plate (12) by maintenance personnel. A first sealing plug (15) is embedded in the first disassembly groove (113). The second arc plate (22) is provided with a second disassembly groove (223) for easy separation of the first arc plate (21) and the second arc plate (22) by maintenance personnel. A second sealing plug (16) is embedded in the second disassembly groove (223).

6. The corrosion-resistant rubber rear guard plate for a slurry pump according to claim 4, characterized in that, The center plate (1) is made of a composite material of ceramic and rubber, the edge plate (2) is made of high chromium cast iron, and the buffer plate (3) is made of rubber.

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