Discharging device of belt conveyor

Abstract

The utility model relates to a belt conveyor unloading device, which is characterized in that a material distributing plate is arranged on the upper side of a conveying belt, a bearing platform is arranged on the lower side of the conveying belt, the bearing platform comprises a bearing panel formed by combining a plurality of bearing blocks, the bearing blocks are densely arranged in a transverse and longitudinal manner, and the bearing blocks are at least provided with flat and smooth top planes; the main keel is arranged along the length direction of the conveying belt and is fixedly connected with the bottom surface of the bearing panel; the supporting frames are arranged at the front end and the rear end of the discharging section of the conveying belt respectively, the two ends of the bottom of each supporting frame are fixedly connected with a conveyor rack, and the ends of the main keels are fixedly connected with the tops of the supporting frames. The full-plane belt bearing platform is provided, the situation that due to an original horizontal carrier roller, the material distributing plate is in weak contact with the conveying belt is avoided, and remaining materials on the conveying belt are reduced; abrasion of the conveying belt is reduced through the flat and smooth bearing face, the service life is prolonged, the heat dissipation speed is high, and temperature rise of the friction face is effectively resisted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of belt conveyor, concretely relates to a belt conveyor unloading device. BACKGROUND

[0002] The coal of the underground coal mining face is usually transported by the belt conveyor, the common conveyor is the machine head unloading, and part of the conveyors is designed as the middle unloading of the conveying belt, the unloading position is provided with an unloader, and the unloader is used for distributing the coal on the conveying belt into the chute outside the conveying belt.

[0003] The belt conveyor is divided into a conveying section and an unloading section, the conveying section belt forms a groove shape due to the support of the carrier roller, and the coal leakage on both sides of the conveying belt can be effectively avoided, the conveying belt needs to be flattened in the unloading section due to the fact that the material push plate is used to push the coal to the outside, the conveying belt is provided with the distribution plate on the upper side, the coal is distributed into the chute through the guide of the distribution plate, in order to avoid the fact that there is no residual material on the conveying belt on the rear side of the distribution plate, the distribution plate needs to have a certain pressure on the surface of the conveying belt when being arranged, therefore, the weight of the material is increased on the upper side of the conveying belt in the unloading section. In the prior art, the bottom of the unloading section of the belt conveyor is supported by the horizontal carrier roller, the horizontal carrier roller is circular, only the top of the roller surface supports the conveying belt, only the top surface is matched with the distribution plate to make the conveying belt abut against the distribution plate, and the roller surface in other parts does not actually support the conveying belt, so that the weak contact area is formed between the distribution plate and the conveying belt, the coal particles in the bottom layer are easy to pass through the distribution plate and thus remain on the conveying belt, in addition, the roller shaft is connected with the rack, the pressure supported by the distribution plate is increased on the roller, and the roller shaft is easy to be damaged.

[0004] In order to solve the problem of the support area, the rubber strip is also laid on the lower side of the conveying belt to support, the specific material is selected as polyurethane, wear-resistant strip or nylon material, the surface of the rubber material is rough or has a certain toughness, the frictional resistance is large, the conveying belt and the rubber strip are quickly worn out due to long-time friction, the pressure on the upper side of the conveying belt is increased due to the distribution plate, heat is generated in the process of friction, on one hand, the large friction loss and heat generation comprehensively accelerate the wear and aging of the conveying belt, on the other hand, the heat generated by friction continuously increases the temperature of the contact surface, and the combustion risk is increased, which is a safety hazard in the underground. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems that there is much residual material on the conveying belt and the belt is large in wear and short in service life in the prior art belt conveyor.

[0006] The utility model solves the technical problems, and the technical scheme adopted is:

[0007] A belt conveyor unloading device, comprising a conveyor frame and a conveying belt, a distribution plate is installed on the upper side of the conveying belt, the bottom of the distribution plate is in contact with the upper surface of the conveying belt, and a supporting platform is installed on the lower side of the conveying belt, which comprises: a supporting panel composed of a plurality of supporting blocks, the supporting blocks are densely arranged in transverse and longitudinal directions, and the supporting blocks at least have a hard and smooth top plane; a main keel is arranged along the length direction of the conveying belt, and the main keel is fixedly connected with the bottom surface of the supporting panel; support frames are respectively arranged at the front end and the rear end of the unloading section of the conveying belt, the bottom ends of the support frames are fixedly connected with the conveyor frame, and the end portions of the main keel are fixedly connected with the top portions of the support frames.

[0008] Compared with the prior art, the belt supporting platform provided by the utility model has the beneficial effects that:

[0009] 1) The utility model provides full-plane belt supporting platform, avoids the "weak contact" condition between the distribution plate and the conveying belt caused by the original horizontal supporting roller, and reduces the excess material on the conveying belt; 2) The utility model reduces the abrasion of the conveying belt through the hard and smooth supporting surface, and increases the service life; 3) The utility model is provided with a large amount of metal in the frictional heating area through the metal main keel and the support frame, and the metal can conduct heat and dissipate heat, so that the temperature rise of the frictional surface can be effectively resisted.

[0010] As preferred, the further technical scheme of the above structure is:

[0011] Each main keel is used for assembling a row of supporting blocks, the supporting blocks located in the middle of the main keel are rectangular blocks, and the rectangular blocks located at the end portions are provided with chamfers at the outer corners.

[0012] The beneficial effects obtained from the above features are that the supporting panel can be assembled in advance through the main keel, and the width of the supporting panel can be adjusted by controlling the number of main keels to adapt to conveying belts of different widths.

[0013] The supporting blocks are fixedly connected with the main keel through bolts or are fixedly connected with the main keel through adhesion.

[0014] The beneficial effects obtained from the above features are that the structure is simple and easy to realize.

[0015] The top portion of the main keel is provided with an embedded groove, the inner walls of the front baffle and the rear baffle of the embedded groove are provided with grooves, the bottom portions of the front side surface and the rear side surface of the supporting block are provided with protruding ribs, and the protruding ribs are matched with the grooves.

[0016] The beneficial effects obtained from the above features are that the supporting blocks are convenient to install, and the installation speed can be significantly increased when the number of supporting blocks is large.

[0017] The front baffles are provided with breaks at intervals, and the interval between adjacent breaks = NL+0.5L, N is the data of the supporting blocks, and L is the length of a single supporting block.

[0018] The beneficial effect obtained by the above features is that the example enables the block to be installed from the middle break without always being installed from the head and tail of the fitting groove, thus facilitating block installation and speeding up.

[0019] The front side and the rear side of the rectangular block are provided with inclined surfaces, so that the bottom width of the block provided with the protruding ribs is equal to the top width of the block, or the bottom width plus the thickness of the front baffle and the rear baffle is equal to the top width of the block.

[0020] The beneficial effect obtained by the above features is that the example enables the block to be installed from the middle break without always being installed from the head and tail of the fitting groove, thus facilitating block installation and speeding up.

[0021] The two ends of the main keel are provided with limiting members abutting against the side surfaces of the blocks at the ends. Specifically, the limiting member is a stop block fixedly connected with the main keel, which is easy to manufacture and low in cost. Specifically, the limiting member comprises a fixed block, an adjusting bolt and a top block. The fixed block is welded to the main keel, and the fixed block is provided with a threaded hole. The adjusting bolt is installed in the threaded hole, and the end of the adjusting bolt is provided with the top block. The top block is in contact with the block, and the pressure of the block group can be adjusted by the limiting member, so that effective support is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 is a schematic diagram of the support platform structure of the utility model;

[0024] Figure 3 is a structure embodiment one of the blocks assembled on the main keel of the utility model;

[0025] Figure 4 is a structure embodiment two of the blocks assembled on the main keel of the utility model;

[0026] Figure 5 is a block structure suitable for embodiment two of the utility model;

[0027] Figure 6 is a limiting member embodiment structure of the utility model.

[0028] In the figure: 1, conveyor frame; 2, distribution plate; 3, conveying belt; 4, support panel; 5, main keel; 6, support frame; 7, stop block; 8, rear baffle; 9, front baffle; 10, groove; 11, protruding rib; 12, break; 13, fixed block; 14, adjusting bolt; 15, top block. DETAILED DESCRIPTION

[0029] The utility model will be further described in conjunction with the embodiments below, and the purpose is only to better understand the content of the utility model, therefore, the examples do not limit the protection scope of the utility model.

[0030] Referring to Figures 1 to 3 The belt conveyor unloading device provided by the utility model, comprising a conveyor frame 1 and a conveyor belt 3, a distribution plate 2 is installed on the upper side of the conveyor belt 3, the distribution plate 2 is a V-shaped material guide plate, the tip of the distribution plate 2 is located in the middle of the conveyor belt 3, the two ends extend to the outside of the conveyor belt 3, the bottom of the distribution plate 2 is in contact with the upper surface of the conveyor belt 3, a supporting platform is installed on the lower side of the conveyor belt 3, the supporting platform comprises:

[0031] A supporting panel 4 is composed of a plurality of supporting blocks, the supporting blocks are densely arranged in horizontal and vertical rows, and each supporting block has at least a flat and smooth top surface;

[0032] A main keel 5 is arranged along the length direction of the conveyor belt 3 and is fixedly connected to the bottom surface of the supporting panel 4;

[0033] Supporting frames 6 are respectively arranged at the front end and the rear end of the unloading section of the conveyor belt 3, the bottom ends of the supporting frames 6 are fixedly connected to the conveyor frame 1, and the end portions of the main keel 5 are fixedly connected to the top portions of the supporting frames 6.

[0034] Specifically, referring to Figure 3 Each main keel 5 is used for assembling a row of supporting blocks, the supporting blocks located in the middle of the main keel 5 are rectangular blocks, and the rectangular blocks located at the end portions are provided with chamfers at the outer corners, the supporting panel 4 can be assembled in advance through the main keel 5, and the width of the supporting panel 4 can be adjusted by controlling the number of main keels 5 to adapt to conveyor belts of different widths.

[0035] Optionally, the supporting blocks are fixedly connected to the main keel 5 by means of bolts or adhesion. Alternatively, referring to Figure 4 、 Figure 5 The top portion of the main keel 5 is provided with an embedded groove, the inner walls of the front baffle 9 and the rear baffle 8 of the embedded groove are provided with grooves 10 at the bottom portions, the front side surface and the rear side surface of the supporting block are provided with protruding ribs 11, and the protruding ribs 11 are matched with the grooves 10. The simple bolt fixing or adhesion can be easily realized, the supporting blocks can be conveniently installed by being slid into the embedded groove, and the installation speed can be significantly increased when a large number of supporting blocks need to be installed on one main keel 5.

[0036] Further, the front baffle 9 is provided with a break 12 at intervals, the interval between adjacent breaks 12 is equal to NL+0.5L, N is the data of the supporting block, and L is the length of a single supporting block. The width of the break 12 is equal to or slightly greater than a single supporting block, the adjacent breaks 12 are selected or a plurality of breaks 12 are simultaneously put into the supporting block, then the supporting block is pushed backward along the embedded groove, so that the supporting blocks are tightly attached, and the above-mentioned size limitation makes the joints between the supporting blocks staggered with the breaks 12, so that the supporting blocks will not fall off from the breaks 12.

[0037] A rectangular block matched with the above-mentioned embodiment, referring to Figure 5The front side and the rear side of the support block are provided with inclined surfaces, so that the bottom width of the support block provided with the protruding rib 11 is equal to the top width of the support block, or the bottom width plus the thickness of the front baffle 9 and the rear baffle 8 is equal to the top width of the support block, the support block makes the gap between the top surfaces of the support blocks small, and guarantees the effective supporting area.

[0038] Referring to Figure 3 、 Figure 6 The two ends of the main keel 5 are provided with limiting members, and the limiting members are in abutment with the side surfaces of the support blocks located at the ends. Optionally, the limiting members are the stop blocks 7 fixedly connected with the main keel 5, which are easy to manufacture and low in cost; alternatively, the limiting members comprise a fixed block 13, an adjusting bolt 14 and a top block 15, the fixed block 13 is welded and fixed on the main keel 5, the fixed block 13 is provided with a threaded hole, the adjusting bolt 14 is installed in the threaded hole, the end of the adjusting bolt 14 is provided with the top block 15, and the top block 15 is in contact with the support blocks, the pressure of the limiting members on the support block group is adjustable, the effective supporting is guaranteed, and the limiting members provided in the example are used in the embedded groove embodiment, so as to adjust the position of the joint between the support blocks, and make any one of the support blocks not visible in the fracture 12.

[0039] As shown in the drawings, the support blocks 4 are arranged on the top surface of the main keel, the thickness of the support blocks is small, and the support blocks are slightly higher than the top surface of the main keel or the embedded groove, heat generated by the friction between the support blocks and the surface of the conveying belt is dissipated to the main keel through air, the conventional main keel and support frame are made of channel steel, square steel and the like, the heat transfer speed of the metal frame is fast, the heat on the surface of the belt can be dissipated, the support blocks 4 can be made of ceramic blocks or alloy blocks, and heat transfer is directly performed, and heat dissipation is further accelerated.

[0040] The utility model discloses the beneficial effects are:

[0041] 1) the utility model provides the full plane belt supporting platform, avoided the " weak contact " situation of the distributing plate and the conveying belt caused by the original horizontal supporting roller, reduces the surplus material on the conveying belt;2) the utility model reduces the wear and tear of the transport belt through the flat and smooth supporting surface, increases the service life;3) the utility model has high heat dissipation speed, and effectively resists the temperature rise of the friction surface.

[0042] The above only describes the preferred and feasible embodiment of the utility model, and does not limit the scope of the utility model, and equivalent changes made by applying the contents of the utility model specification and the drawings are included in the scope of the utility model.

Claims

1. A belt conveyor unloading device, comprising a conveyor frame and a conveyor belt, wherein a material distribution plate is installed on the upper side of the conveyor belt, and the bottom of the material distribution plate contacts the upper surface of the conveyor belt, characterized in that, A support platform is installed under the conveyor belt, and the support platform includes: The support panel is composed of several blocks arranged in a dense, horizontal and vertical pattern. Each block has at least a hard and smooth top surface. The main keel is arranged along the length of the conveyor belt and is fixedly connected to the bottom surface of the support panel. The support frame is respectively set at the front end and rear end of the unloading section of the conveyor belt. The bottom ends of the support frame are fixedly connected to the conveyor frame, and the end of the main keel is fixedly connected to the top of the support frame.

2. The belt conveyor unloading device according to claim 1, characterized in that, Each main keel is used to assemble a row of the aforementioned support blocks. The support block located in the middle on the main keel is a rectangular block, and the outer corners of the rectangular blocks located at the ends are chamfered.

3. The belt conveyor unloading device according to claim 2, characterized in that, The support block is fixed to the main keel by bolts or adhesive.

4. The belt conveyor unloading device according to claim 2, characterized in that, The top of the main keel is provided with a fitting groove, the bottom of the inner wall of the front baffle and the rear baffle of the fitting groove is provided with a groove, and the bottom of the front side and the rear side of the support block is provided with a protruding rib, which matches the groove.

5. The belt conveyor unloading device according to claim 4, characterized in that, The front baffle is provided with breaks at intervals, and the interval between adjacent breaks is NL + 0.5L, where N is the data of the support block and L is the length of a single support block.

6. The belt conveyor unloading device according to claim 4, characterized in that, The rectangular block has beveled surfaces on its front and rear sides, so that the bottom width with protruding ribs is equal to its top width, or the bottom width plus the thickness of the front and rear baffles equals the top width of the block.

7. The belt conveyor unloading device according to claim 2, characterized in that, Limiting devices are provided at both ends of the main keel, and the limiting devices abut against the side of the support block located at the end.

8. The belt conveyor unloading device according to claim 7, characterized in that, The limiting component is a stop block that is fixedly connected to the main keel.

9. The belt conveyor unloading device according to claim 7, characterized in that, The limiting component includes a fixing block, an adjusting bolt, and a top block. The fixing block is welded and fixed to the main keel. The fixing block has a threaded hole, in which the adjusting bolt is installed. The top block is installed at the end of the adjusting bolt and contacts the support block.

10. The belt conveyor unloading device according to claim 7, characterized in that, The support block is a ceramic block or an alloy block.

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