Coal unloading device

Abstract

The utility model relates to the technical field of coal unloading, in particular to a coal unloading device which comprises a fixing frame, a threaded sleeve and a collecting drawer, first bearings are embedded in the two sides of the fixing frame respectively, a lead screw is fixedly installed on inner rings of the two first bearings, the threaded sleeve is connected with the lead screw in a meshed mode, a hydraulic cylinder is installed at the top of the threaded sleeve, and the hydraulic cylinder is connected with the collecting drawer. A hydraulic cylinder is installed on the top of the collecting drawer, a holding frame is installed at the top of the hydraulic cylinder, second bearings are symmetrically installed on the two sides of the holding frame in an embedded mode respectively, fixing rollers are fixedly installed on inner rings of the two second bearings respectively, a conveying belt is installed on the two fixing rollers, a fixing groove is formed in the bottom end of the interior of the holding frame, and a fixing block is installed at the bottom of the collecting drawer. The automatic unloading device has the advantages that the transverse position of the conveying belt can be adjusted, and a plurality of dump trucks can be unloaded in sequence.

Description

Technical Field

[0001] The utility model relates to the technical field of coal unloading, in particular to a coal unloading device. Background Art

[0002] Coal unloading equipment is equipment used to unload coal from a transport vehicle (such as a train or truck). These equipment may include conveyor belt systems, unloading arms, or other types of equipment designed to efficiently transfer coal from the transport vehicle to a storage area or other processing facility.

[0003] When a conveyor belt mechanism is used to unload coal dumped by a dump truck, the position of the conveyor belt mechanism is generally kept stationary, and the dump trucks need to queue up to dump the materials, which results in a long time consumption and affects the unloading speed. Utility Model Content

[0004] The utility model aims to provide a coal unloading device, which has the advantage of being able to adjust the lateral position of the conveyor belt and unload multiple dump trucks in sequence, thereby solving the problem that the conveyor belt mechanism cannot adjust its position during unloading and unload multiple dump trucks in sequence.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal unloading device, including a fixed frame, a screw sleeve and a collecting bin, bearings 1 are respectively embedded and installed on both sides of the fixed frame, two inner rings of the bearings 1 are fixedly installed with screw rods, the screw sleeves are meshingly connected with the screw rods, a hydraulic cylinder is installed on the top of the screw sleeve, a retaining frame is installed on the top of the hydraulic cylinder, bearings 2 are symmetrically embedded and installed on both sides of the retaining frame, two groups of bearings 2 are respectively fixedly installed with fixed rollers on the inner rings, conveyor belts are installed on the two fixed rollers, a fixing groove is opened at the bottom end of the retaining frame, and a fixing block is installed at the bottom of the collecting bin.

[0006] When using a coal unloading device in the technical solution, the fixing frame is fixed at the unloading position through the fixing holes of the fixing frame using bolts and other tools, the hydraulic cylinder lifts the conveyor belt to a suitable unloading height through the retaining frame, the dump truck dumps the coal onto the conveyor belt, and the motor 2 drives the fixed roller to rotate through the transmission structure, the fixed roller drives the conveyor belt to move, and the conveyor belt transports and unloads the coal. In the process of conveying the coal, coal fragments falling from the surface of the conveyor belt fall into the collecting bin. After the coal of the current vehicle is unloaded, the motor 1 drives the screw rod to rotate through the transmission structure, the screw sleeve moves on the rotating screw rod, the screw sleeve drives the conveyor belt to move horizontally through the hydraulic cylinder and the retaining frame, and the conveyor belt moves to the bottom of another dump truck to unload the coal.

[0007] Preferably, a motor 1 is installed on the side of the fixing frame, and a transmission structure of the motor 1 is fixedly connected to one end of the screw rod. The motor 1 drives the screw rod to rotate through the transmission structure.

[0008] Preferably, a slider is installed at the bottom of the screw sleeve, a slide groove is provided at the bottom of the fixing frame, and the slider is slidably connected to the slide groove. The slider provides support force for the screw sleeve, and when the screw sleeve moves on the screw rod, the slider slides in the slide groove to prevent the screw sleeve from shaking.

[0009] Preferably, the front and rear ends of the screw sleeve are respectively welded with connecting blocks, the two connecting blocks are respectively provided with movable holes, and the bottom of the retaining frame is symmetrically welded with two movable rods, and the bottoms of the two movable rods pass through the two movable holes respectively. When the retaining frame is raised or lowered, the two movable rods move in the movable holes of the two connecting blocks to prevent the retaining frame from shaking.

[0010] Preferably, a second motor is installed on the side of the retaining frame, and the transmission structure of the second motor is fixedly connected to the fixed roller. The second motor drives the fixed roller to rotate through the transmission structure, and the fixed roller drives the conveyor belt to move.

[0011] Preferably, the fixing frame is provided with fixing holes in a rectangular array, and the fixing holes penetrate the upper and lower ends of the fixing frame. The fixing frame is fixed to the ground through the fixing holes using tools such as bolts.

[0012] Preferably, the fixing block is inserted into the fixing groove, and a handle is installed at the rear end of the collecting drawer. The collecting drawer is movably connected to the retaining frame through the fixing block and the fixing groove, and the collecting drawer can be pulled out from the inner side of the retaining frame using the handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges a screw rod, a screw sleeve and a conveyor belt, and fixes the fixed frame at the unloading position through the fixing hole of the fixed frame. The hydraulic cylinder lifts the conveyor belt to a suitable unloading height through the retaining frame, and the dump truck dumps the coal onto the conveyor belt. The motor 2 drives the fixed roller to rotate through the transmission structure, and the fixed roller drives the conveyor belt to move, and the conveyor belt transports and unloads the coal. After the coal of the current vehicle is unloaded, the motor 1 drives the screw rod to rotate through the transmission structure, and the screw sleeve moves on the rotating screw rod. The screw sleeve drives the conveyor belt to move horizontally through the hydraulic cylinder and the retaining frame, and the conveyor belt moves to the bottom of another dump truck to unload the coal, thereby achieving the effect of being able to adjust the lateral position of the conveyor belt and unloading multiple dump trucks in sequence. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0017] Figure 3 For the utility model Figure 2Enlarge the structural diagram;

[0018] Figure 4 It is a schematic diagram of the local structure of the screw sleeve, hydraulic cylinder and retaining frame of the utility model.

[0019] In the figure: 1. retaining frame; 2. fixing frame; 3. bearing 1; 4. conveyor belt; 5. bearing 2; 6. fixed roller; 7. screw rod; 8. motor 1; 9. slide groove; 10. slider; 11. screw sleeve; 12. motor 2; 13. collecting drawer; 14. fixing hole; 15. hydraulic cylinder; 16. movable rod; 17. handle; 18. fixing groove; 19. fixing block; 20. connecting block; 21. movable hole. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Embodiment 1

[0025] like Figure 1-Figure 4As shown, a coal unloading device proposed by the utility model comprises a fixed frame 2, a screw sleeve 11 and a collecting bin 13, bearings 3 are embedded and installed on both sides of the fixed frame 2 respectively, screw rods 7 are fixedly installed on the inner rings of two bearings 3, a motor 8 is installed on the side of the fixed frame 2, the transmission structure of the motor 8 is fixedly connected to one end of the screw rod 7, the screw sleeve 11 is meshed with the screw rod 7, a hydraulic cylinder 15 is installed on the top of the screw sleeve 11, and a retaining frame 1 is installed on the top of the hydraulic cylinder 15, bearings 2 5 are symmetrically embedded and installed on both sides of the retaining frame 1, fixed rollers 6 are fixedly installed on the inner rings of two groups of bearings 2 5 respectively, and conveyor belts 4 are installed on the two fixed rollers 6, a motor 2 12 is installed on the side of the retaining frame 1, and the transmission structure of the motor 2 12 is fixedly connected to the fixed roller 6, a fixing groove 18 is opened at the bottom end of the retaining frame 1, a fixing block 19 is installed at the bottom of the collecting bin 13, the fixing block 19 is inserted into the fixing groove 18, a handle 17 is installed at the rear end of the collecting bin 13, and the fixed frame 2 is provided with fixing holes 14 in a rectangular array, and the fixing holes 14 run through the upper and lower ends of the fixed frame 2.

[0026] In this embodiment, the fixing frame 2 is fixed at the unloading position through the fixing hole 14 of the fixing frame 2 using bolts and other tools, the hydraulic cylinder 15 lifts the conveyor belt 4 to a suitable unloading height through the retaining frame 1, and the dump truck dumps the coal onto the conveyor belt 4. The motor 2 12 drives the fixed roller 6 to rotate through the transmission structure, and the fixed roller 6 drives the conveyor belt 4 to move, and the conveyor belt 4 transports and unloads the coal. In the process of conveying the coal, the coal fragments falling from the surface of the conveyor belt 4 fall into the collecting bin 13. After the coal of the current vehicle is unloaded, the motor 1 8 drives the screw rod 7 to rotate through the transmission structure, and the screw sleeve 11 moves on the rotating screw rod 7. The screw sleeve 11 drives the conveyor belt 4 to move horizontally through the hydraulic cylinder 15 and the retaining frame 1, and the conveyor belt 4 moves to the bottom of another dump truck to unload the coal. The collecting bin 13 is pulled out from the inside of the retaining frame 1 using the handle 17 to process the collected coal blocks.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4 As shown, a coal unloading device proposed by the utility model, compared with the first embodiment, this embodiment also includes: a slider 10 and a movable rod 16, the slider 10 is installed at the bottom of the screw sleeve 11, a slide groove 9 is opened at the bottom end of the fixed frame 2, the slider 10 and the slide groove 9 are slidably connected, the front and rear ends of the screw sleeve 11 are respectively welded with connecting blocks 20, the two connecting blocks 20 are respectively opened with movable holes 21, and two movable rods 16 are symmetrically welded at the bottom of the retaining frame 1, and the bottoms of the two movable rods 16 pass through the two movable holes 21 respectively.

[0029] In this embodiment, the slider 10 provides support force for the screw sleeve 11. When the screw sleeve 11 moves on the screw rod 7, the slider 10 slides in the slide groove 9 to prevent the screw sleeve 11 from shaking. When the retaining frame 1 is raised or lowered, the two movable rods 16 move in the movable holes 21 of the two connecting blocks 20 to prevent the retaining frame 1 from shaking.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal unloading device, comprising a fixing frame (2), a screw sleeve (11) and a collecting bin (13), characterized in that: Bearings (3) are embedded and installed on both sides of the fixed frame (2), and the inner rings of the two bearings (3) are fixedly installed with a screw rod (7). The screw sleeve (11) is meshed and connected with the screw rod (7). A hydraulic cylinder (15) is installed on the top of the screw sleeve (11), and a retaining frame (1) is installed on the top of the hydraulic cylinder (15). Bearings (5) are symmetrically embedded and installed on both sides of the retaining frame (1), and fixed rollers (6) are fixedly installed on the inner rings of the two groups of bearings (5). Conveyor belts (4) are installed on the two fixed rollers (6). A fixing groove (18) is opened at the bottom end of the retaining frame (1), and a fixing block (19) is installed at the bottom of the collecting bin (13).

2. A coal unloading device according to claim 1, characterized in that: A motor 1 (8) is installed on the side of the fixing frame (2), and the transmission structure of the motor 1 (8) is fixedly connected to one end of the screw rod (7).

3. A coal unloading device according to claim 1, characterized in that: A sliding block (10) is installed at the bottom of the screw sleeve (11), a sliding groove (9) is opened at the bottom end of the interior of the fixing frame (2), and the sliding block (10) and the sliding groove (9) are slidably connected.

4. A coal unloading device according to claim 1, characterized in that: The front and rear ends of the screw sleeve (11) are respectively welded with connection blocks (20), and the two connection blocks (20) are respectively provided with movable holes (21). The bottom of the retaining frame (1) is symmetrically welded with two movable rods (16), and the bottoms of the two movable rods (16) respectively pass through the two movable holes (21).

5. A coal unloading device according to claim 1, characterized in that: A second motor (12) is installed on the side of the retaining frame (1), and the transmission structure of the second motor (12) is fixedly connected to the fixed roller (6).

6. A coal unloading device according to claim 1, characterized in that: The fixing frame (2) is provided with fixing holes (14) in a rectangular array, and the fixing holes (14) penetrate the upper and lower ends of the fixing frame (2).

7. A coal unloading device according to claim 1, characterized in that: The fixing block (19) is inserted into the fixing groove (18), and a handle (17) is installed at the rear end of the collecting drawer (13).

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