Mine wear-resistant chute screen

Abstract

The utility model provides a kind of mine wear-resistant chute screen, including screen frame, screen frame includes equidistant parallel arrangement's girder and with girder vertical, and equidistant vertical fixed between two girders auxiliary beam;Wherein, first manganese steel plate is provided above girder and auxiliary beam, symmetrically arranged angle steel is respectively welded in the both sides of the end of auxiliary beam, bolt hole is provided on the vertical side of auxiliary beam and girder, bolt hole corresponds with the fixed hole of girder, and angle steel is fixed with girder by bolt and bolt hole, fixed hole cooperation, to form grid screen, first manganese steel plate is provided on girder and auxiliary beam, and the wear resistance of improving can improve the overall durability, and auxiliary beam is fixed on girder by bolt and bolt hole, convenient to disassemble, if there is auxiliary beam damage, it is convenient to repair replacement, further improve its service life.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary tools for mining transportation, and specifically to a wear-resistant chute screen for mining. Background Technology

[0002] In mining operations, ore passes are crucial for ore transportation, and ore pass screens are key equipment for controlling this transportation. Due to the impact and friction of the ore, the wear resistance of ore pass screens is paramount. However, most existing ore pass screen devices suffer from poor wear resistance and short service life, which not only affects the efficiency of ore transportation but also increases the cost of mining operations.

[0003] Therefore, there is an urgent need for a wear-resistant chute screen for mining that is simple in structure, economical and practical, high in strength and stability, has excellent wear resistance, and is easy to replace its components. Utility Model Content

[0004] In view of the above problems, the purpose of this utility model is to provide a wear-resistant mine chute screen to solve the problem that the wear resistance of the chute screen is crucial due to the impact and friction of ore. However, most existing mine chute screen devices suffer from poor wear resistance and short service life.

[0005] This utility model provides a wear-resistant mine chute screen, comprising a screen frame and anchor bolts fixed around the four sides of the screen frame. The screen frame includes main beams arranged parallel at equal intervals and secondary beams perpendicular to the main beams and fixed at equal intervals between the two main beams.

[0006] A first manganese steel plate is provided above the main beam and the secondary beam;

[0007] Symmetrically arranged angle steels are welded to both sides of the end of the secondary beam;

[0008] Bolt holes are provided on the side of the angle steel that is perpendicular to the sub-beam;

[0009] The bolt holes correspond to the pre-set fixing holes on the main beam, and the angle steel is fixed to the main beam by the bolts engaging with the bolt holes and the fixing holes.

[0010] Preferably, the main beam and the secondary beam are I-beams.

[0011] Preferably, a second manganese steel plate is provided on both sides of the I-beam.

[0012] Preferably, the main beam and the secondary beam are made of I45b I-beams.

[0013] Preferably, the thickness of the first manganese steel plate is 20 mm;

[0014] The width of the first manganese steel plate is 7-13 mm smaller than the top of the I-beam.

[0015] Preferably, the thickness of the second manganese steel plate is 20 mm;

[0016] The width of the second manganese steel plate is 7-13 mm smaller than the height of the side of the I-beam.

[0017] Preferably, the angle steel is ∠160×10mm angle steel.

[0018] Preferably, three bolt holes are provided vertically arranged on the side of the angle steel that is perpendicular to the sub-beam;

[0019] The diameter of the three bolt holes is 26-30mm.

[0020] Preferably, the number of fixing holes is three, and each hole corresponds to one of the three bolt holes.

[0021] Preferably, the bolt is an 8.8 grade M26 bolt.

[0022] As can be seen from the above technical solution, the wear-resistant mine chute screen provided by this utility model includes a screen frame, which includes main beams arranged in parallel at equal intervals and secondary beams perpendicular to the main beams and fixed perpendicularly between the two main beams at equal intervals. A first manganese steel plate is provided above the main beams and secondary beams. Symmetrically arranged angle steels are welded to both sides of the ends of the secondary beams. Bolt holes are provided on the side of the angle steel perpendicular to the secondary beams, corresponding to pre-set fixing holes on the main beams. The angle steels are then fitted and fixed to the main beams by the cooperation of bolts with the bolt holes and fixing holes, thus forming a mesh-like screen. The first manganese steel plate on the main beams and secondary beams improves wear resistance and overall durability. Furthermore, the secondary beams are fixed to the main beams by bolts and bolt holes, facilitating disassembly. If a secondary beam is damaged, it is easy to repair or replace, further extending its service life. Attached Figure Description

[0023] Other objects and results of this invention will become more apparent and readily understood upon referring to the following description taken in conjunction with the accompanying drawings, and with a more complete understanding of the invention. In the drawings:

[0024] Figure 1 This is a top view of a wear-resistant mine chute screen according to an embodiment of the present invention;

[0025] Figure 2 This is a front view of the main beam of a wear-resistant mine chute screen according to an embodiment of the present utility model;

[0026] Figure 3This is a cross-sectional view of the main beam and secondary beam of the wear-resistant chute screen for mining according to an embodiment of the present utility model.

[0027] The attached diagram is labeled as follows: 1. Main beam; 2. Secondary beam; 3. First manganese steel plate; 4. Angle steel; 5. Fixing hole; 6. Second manganese steel plate. Detailed Implementation

[0028] Due to the impact and friction of ore, the wear resistance of ore chute screens is crucial. However, most existing ore chute screen devices suffer from poor wear resistance and short service life, which not only affects the efficiency of ore transportation but also increases the cost of mine production.

[0029] To address the aforementioned problems, this utility model provides a wear-resistant mine chute screen. The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0030] To illustrate the welding machine grounding device provided by this utility model Figures 1-3 The embodiments of this utility model are illustrated by way of example.

[0031] The following description of exemplary embodiments is merely illustrative and is in no way intended to limit the invention or its application or use. Techniques and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques and equipment should be considered part of the specification.

[0032] like Figures 1-3 As shown in the figure, this utility model provides a wear-resistant mine chute screen, mainly including a screen frame and anchor rods (not shown) fixed around the four sides of the screen frame. The screen frame includes main beams 1 (attached) arranged in parallel at equal intervals. Figure 1 The vertical section in the middle) and the secondary beam 2 (attached) which is perpendicular to the main beam 1 and fixed at equal intervals between the two main beams 1. Figure 1 The structure consists of a horizontal section divided by the main beam 1; a first manganese steel plate 3 is installed above the main beam 1 and the secondary beam 2. Due to the high rigidity and hardness of the manganese steel plate, the overall wear resistance is improved. Angle steel 4 is symmetrically arranged on both sides of the end of the secondary beam. Bolt holes are provided on the side of the angle steel 4 perpendicular to the secondary beam 2. The bolt holes correspond to the pre-set fixing holes 5 on the main beam, and the angle steel 4 is fixed to the main beam 1 by the cooperation of bolts, bolt holes, and fixing holes 5, thereby forming a grid-type screen. Since the secondary beam is fixed to the main beam by bolts and bolt holes, it is easy to disassemble. If the secondary beam is damaged, it is easy to repair and replace, further improving its service life.

[0033] Specifically, in this embodiment, the main beam 1 and the secondary beam 2 are I-beams. Due to the hardness and frame of the I-beams, it is easy to form a neat and sturdy grid screen frame. More specifically, a second manganese steel plate 6 is provided on both sides of the I-beam. This blocks the sides of the I-beam, which not only prevents the ore from getting stuck in the beam, but also further increases the rigidity of the beam.

[0034] In a more specific embodiment, the net spacing of the chute screen formed by the main beam and the secondary beam can be 500mm-600mm. Both the main beam and the secondary beam are made of I45b I-beams. To be compatible with this type of I-beam, in this specific embodiment, the thickness of the first manganese steel plate is 20mm; the width of the first manganese steel plate is 7-13mm smaller than the top of the I-beam, which can be 142mm, that is, 10mm smaller than the top width of the I-beam; the thickness of the second manganese steel plate is 20mm, and the width of the second manganese steel plate is 7-13mm smaller than the height of the side of the I-beam, which can be determined according to the welding situation, as long as the bottom surface of the I-beam can be welded from top to bottom. This can further increase the rigidity of the I-beam beam and prevent the ore from getting stuck. Correspondingly, in this embodiment, the angle steel is a ∠160×10mm angle steel. Three vertically arranged bolt holes are provided on the side of the angle steel perpendicular to the sub-beam. The diameter of the three bolt holes is 26-30mm, or 28mm. The number of fixing holes 5 is also three, corresponding one-to-one with the three bolt holes. The type of bolt is not specifically limited. In this embodiment, in order to adapt to the area of ​​the angle steel, in a specific embodiment, the bolt is an 8.8 grade M26 bolt. This facilitates the fastening connection of one side of the angle steel to the main beam with bolts, and the other side of the angle steel is welded to the sub-beam, thus firmly fixing the main beam and the sub-beam.

[0035] After the main and secondary beams are processed, the screen frame can be formed. After the screen frame is tested and assembled on the surface without any problems, it can be lowered into the well. When it is possible to lower it into the well, anchor bolts are fixed around the screen frame. The screen frame can be fixed around the four sides by anchor bolts. The specific fixing method is not limited and can be any conventional fixing method. In this specific embodiment, the anchor bolts can be φ36mm in diameter, 1200mm in length, and 550mm in burial depth. The screen can be fixed at the top by hooks.

[0036] This method of forming a wear-resistant mine pass screen has the following advantages:

[0037] 1. High wear resistance: The top and sides of the device are reinforced with high-strength manganese steel plates, which have good wear resistance and can effectively resist the impact and friction of ore, thereby extending the service life of the equipment.

[0038] 2. High stability: By adopting a reinforced structure, the strength and stability of the grid unit are improved, ensuring the normal operation of the grid screen and reducing the failure rate.

[0039] 3. Easy to maintain: The device has a simple and clear design, is easy to install and maintain, and reduces the maintenance cost of the equipment.

[0040] 4. Safe and reliable: The main and auxiliary beams of the device are connected by angle steel and bolts, which makes the chute screen not only strong, safe and applicable, durable and not easy to be damaged, but also highly applicable, simple in structure, easy to process, low in technical requirements, low in implementation cost, low in installation work intensity, easy to install, quick installation progress, and easy to maintain and replace.

[0041] As described above, the wear-resistant chute screen for mining provided in this embodiment has the characteristics of high strength, durability and wear resistance, and is not easily damaged; the secondary beam is connected to the main beam by high-strength bolts, making replacement convenient; the screen has high safety, and even heavy mining trucks will not damage it; the screen has high stability and reliability, ensuring the continuity and smoothness of ore transportation.

[0042] The wear-resistant mine chute screen according to the present invention has been described above by way of example with reference to the accompanying drawings. However, those skilled in the art should understand that various modifications can be made to the wear-resistant mine chute screen proposed above without departing from the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the contents of the appended claims.

Claims

1. A wear-resistant mine chute screen, characterized in that, The system includes a screen frame and anchor bolts fixed around its four sides. The screen frame comprises parallel main beams arranged at equal intervals and secondary beams perpendicular to the main beams and fixed at equal intervals between the two main beams. A first manganese steel plate is provided above the main beam and the secondary beam; Symmetrically arranged angle steels are welded to both sides of the end of the secondary beam; Bolt holes are provided on the side of the angle steel that is perpendicular to the sub-beam; The bolt holes correspond to the pre-set fixing holes on the main beam, and the angle steel is fixed to the main beam by the bolts engaging with the bolt holes and the fixing holes.

2. The wear-resistant mine chute screen as described in claim 1, characterized in that, The main beam and the secondary beam are I-beams.

3. The wear-resistant mine chute screen as described in claim 2, characterized in that, A second manganese steel plate is provided on both sides of the I-beam.

4. The wear-resistant mine chute screen as described in claim 3, characterized in that, The main beam and secondary beam are made of I45b I-beams.

5. The wear-resistant mine chute screen as described in claim 4, characterized in that, The thickness of the first manganese steel plate is 20mm; The width of the first manganese steel plate is 7-13 mm smaller than the top of the I-beam.

6. The wear-resistant mine chute screen as described in claim 5, characterized in that, The thickness of the second manganese steel plate is 20mm; The width of the second manganese steel plate is 7-13 mm smaller than the height of the side of the I-beam.

7. The wear-resistant mine chute screen as described in claim 6, characterized in that, The angle steel is ∠160×10mm angle steel.

8. The wear-resistant mine chute screen as described in claim 7, characterized in that, Three bolt holes are arranged vertically on the side of the angle steel that is perpendicular to the sub-beam; The diameter of the three bolt holes is 26-30mm.

9. The wear-resistant mine chute screen as described in claim 8, characterized in that, There are three fixing holes, and each hole corresponds to one of the three bolt holes.

10. The wear-resistant mine chute screen as described in claim 1, characterized in that, The bolts are M26 bolts of grade 8.8.

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