Anti-blocking material conveying device for coal mine clearance machine

Abstract

The utility model relates to the technical field of coal mine clearance machine blockage prevention, and discloses an anti-blockage material conveying device for a coal mine clearance machine, which comprises a clearance machine body and a supporting seat, a partition plate is fixedly arranged at the middle section position in a cavity I, a mounting frame is fixedly arranged on one side of the partition plate, an inclined sieve plate is arranged above the mounting frame, and a baffle is fixedly arranged on the inclined sieve plate. According to the coal crushing device, under the cooperation of the installation frame and the multiple sets of springs, when the inclined sieve plate makes contact with falling coal, high-frequency vibration can be generated, and the coal slides into the second cavity to be directly conveyed; the large coal briquettes are further processed through the driven wheel and the second crushing knife roll, the large coal briquettes are crushed to be finer and more uniform, hot air drying can be conducted on the large coal briquettes through the annular pipe, the humidity of the large coal briquettes is effectively reduced, and normal coal mine cleaning operation is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of anti-clogging technology for coal mine cleaning machines, and in particular to an anti-clogging material conveying device for coal mine cleaning machines. Background Technology

[0002] A coal mine refers to an area where humans extract coal resources from coal-rich areas. Based on the distance between the coal seam and the surface, coal mines can be divided into underground coal mines and open-pit coal mines. During coal mining, traditional manual cleaning methods are not only time-consuming and labor-intensive but also inefficient. Using cleaning machines, which operate in a fully or semi-automated manner, can greatly improve cleaning efficiency and shorten cleaning time.

[0003] An existing type of screw conveyor cleaning machine for coal mines (Announcement No.: CN213802015U) facilitates material collection. This device, through the coordinated action of components such as the rotating cutter, the first rotating shaft, and the motor, allows the coal blocks to be stirred before being conveyed, breaking down some large, difficult-to-convey coal blocks. This solves the problem that some large coal blocks cannot be conveyed by the transmission device, easily causing auger blockage and affecting the progress of the operation. Although the rotating cutter can break down large coal blocks, if the coal blocks have high moisture content or contain a lot of impurities during the coal block conveying process, the coal blocks are very likely to adhere to the conveyor belt shell, auger, and other components, which can still cause blockage of the machine and thus affect the normal operation of the cleaning machine. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an anti-clogging material conveying device for coal mine cleaning machines.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An anti-clogging material conveying device for a coal mine cleaning machine includes a cleaning machine body and a support base. A feed hopper is fixedly installed on the top of the cleaning machine body. A cavity is formed inside the cleaning machine body. A partition is fixedly installed in the middle section of the cavity. An installation frame is fixedly installed on one side of the partition. An inclined screen plate is provided above the installation frame. A spring is fixed between the bottom end of the inclined screen plate and the installation frame. A crushing roller is movably installed on the side of the partition away from the installation frame. An annular tube is provided above the crushing roller. A cavity is formed on one side of the cavity. An auger conveyor is installed in the cavity by fasteners.

[0007] As a further embodiment of this utility model, the annular tube is fixedly connected to the upper end of the inner wall of the cavity one, a hot air blower is installed on one side of the top of the cleaning machine body by fasteners, and a motor is provided at the outer end of the crushing roller two.

[0008] As a further embodiment of this utility model, the motor is connected to the side wall of the cleaning machine body by fasteners, the motor is fixedly connected to the second crushing roller by an output shaft, and a drive wheel is fixedly provided at one end of the second crushing roller near the motor.

[0009] As a further embodiment of this utility model, a first crushing roller is provided on one side of the second crushing roller, and a driven wheel is fixedly provided at the outer end of the first crushing roller, which penetrates and connects to the side wall of the cleaning machine body. The driving wheel and the driven wheel are connected by a transmission belt.

[0010] As a further embodiment of this utility model, a feeding hopper is fixedly provided on the top of the cleaning machine body, a fixed pipe is fixedly provided on the hot air blower, and the other end of the fixed pipe is fixedly connected to the annular pipe and passes through the cleaning machine body.

[0011] As a further embodiment of this utility model, a nozzle is fixedly provided at the bottom of the hot air blower, the nozzles are evenly distributed on the hot air blower, and the support base is connected to the cleaning machine body by fasteners.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In use, by setting up an annular inclined screen plate, springs, driven wheels, and crushing rollers, the inclined screen plate, in conjunction with the mounting frame and multiple sets of springs, generates high-frequency vibrations when it comes into contact with the falling coal. This accelerates the speed at which small coal pieces fall through the screen holes on the inclined screen plate and slide into the second crushing chamber for direct conveying, reducing complex and cumbersome steps and improving coal conveying efficiency. Large coal pieces, due to their own weight and the combined effect of vibration, quickly slide down to the second crushing roller, where the driven wheels and crushing rollers further process them, crushing them into finer and more uniform pieces. This reduces squeezing and jamming caused by uneven size, lowering the risk of blockage in the conveying channel. At the same time, during the crushing process, the annular pipe can be used to dry the large coal pieces with hot air, effectively reducing their humidity and preventing blockages in the conveying process caused by coal adhesion, ensuring the normal operation of coal mine cleaning operations. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of an anti-clogging material conveying device for a coal mine cleaning machine proposed in this utility model;

[0015] Figure 2 This is a cross-sectional structural schematic diagram of an anti-clogging material conveying device for a coal mine cleaning machine proposed in this utility model;

[0016] Figure 3 This is an enlarged structural diagram of point A of an anti-clogging material conveying device for a coal mine cleaning machine proposed in this utility model;

[0017] Figure 4 This is an enlarged structural diagram of section B of an anti-clogging material conveying device for a coal mine cleaning machine proposed in this utility model;

[0018] Figure 5 This is a schematic diagram of the annular pipe disassembled structure of an anti-clogging material conveying device for a coal mine cleaning machine proposed in this utility model;

[0019] In the diagram: 1. Cleaning machine body; 101. Cavity 1; 102. Cavity 2; 103. Feed hopper; 104. Annular pipe; 105. Partition plate; 106. Inclined screen plate; 2. Support base; 201. Motor; 202. Crushing roller 1; 203. Driven wheel; 3. Screw conveyor device; 301. Crushing roller 2; 302. Mounting frame; 303. Spring; 4. Hot air blower; 5. Drive wheel; 6. Transmission belt; 7. Fixed pipe; 8. Spray pipe. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Reference Figures 1-5A material conveying device for a coal mine cleaning machine that prevents blockage includes a cleaning machine body 1 and a support base 2. A feed hopper 103 is fixedly installed on the top of the cleaning machine body 1. A cavity 101 is opened inside the cleaning machine body 1. A partition 105 is fixedly installed in the middle section of the cavity 101. An installation frame 302 is fixedly installed on one side of the partition 105. An inclined screen plate 106 is provided above the installation frame 302. A spring 303 is fixed between the bottom end of the inclined screen plate 106 and the installation frame 302. A crushing roller 301 is movably installed on the side of the partition 105 away from the installation frame 302. An annular pipe 104 is provided above the crushing roller 301. A cavity 2 102 is provided on one side of the cavity 101. An auger conveyor 3 is installed in the cavity 2 102 by fasteners.

[0024] During operation, when the material falls into the cleaning machine body 1, the multiple sets of springs 303 will undergo elastic deformation when they receive the impact force of the falling material. This will cause the inclined screen plate 106 to vibrate, accelerating the speed at which small coal pieces fall through the inclined screen plate 106 and slide into the second cavity 102 for direct conveying. The motor 201 is started, and the motor 201 drives the second crushing roller 301 to rotate through the output shaft. It also drives the drive wheel 5 to rotate. Using the transmission belt 6, the driven wheel 203 can drive the first crushing roller 202 to rotate. With the cooperation of the first crushing roller 202 and the driven wheel 203, large coal pieces can be further crushed. At the same time, the hot air blower 4 works to generate hot air, which is conveyed into the annular pipe 104 and then blown out through multiple nozzles 8 to dry the large coal pieces during the crushing process. This can effectively reduce the problems of coal blockage and agglomeration. Finally, the processed coal pieces are conveyed and discharged through the auger conveyor 3, which greatly reduces the risk of blockage caused by accumulation and jamming.

[0025] In this embodiment, the annular tube 104 is fixedly connected to the upper end of the inner wall of the cavity 101, and a hot air blower 4 is installed on one side of the top of the cleaning machine body 1 by fasteners. The outer end of the crushing roller 301 is provided with a motor 201.

[0026] When in use, when the spring 303 is subjected to impact, it undergoes elastic deformation and then rapidly releases energy, thereby driving the inclined screen plate 106 to vibrate at a high frequency and low amplitude, accelerating the speed at which small coal blocks fall through the inclined screen plate 106, while large coal blocks can also slide down the inclined surface of the inclined screen plate 106 quickly, reducing the accumulation and blockage of coal blocks on the inclined screen plate 106.

[0027] In this embodiment, the motor 201 is connected to the side wall of the cleaning machine body 1 by fasteners, and the motor 201 is fixedly connected to the second crushing roller 301 by the output shaft. The second crushing roller 301 is fixedly provided with a drive wheel 5 at one end near the motor 201.

[0028] In use, by tilting the inclined screen plate 106 inside the cavity 101, the coal blocks can be continuously rolled and moved on the screen, thereby improving screening efficiency and screening accuracy.

[0029] In this embodiment, a first crusher roller 202 is provided on one side of the second crusher roller 301. A driven wheel 203 is fixedly provided at the outer end of the first crusher roller 202 and passes through and connects to the side wall of the cleaning machine body 1. The driving wheel 5 and the driven wheel 203 are connected by a transmission belt 6.

[0030] When in use, the auger conveyor device 3 is mainly composed of components such as spiral blades, rotating shaft, trough, bearings, drive device and seals.

[0031] In this embodiment, a feed hopper 103 is fixedly provided on the top of the cleaning machine body 1, and a fixed pipe 7 is fixedly provided on the hot air blower 4. The other end of the fixed pipe 7 is fixedly connected to an annular pipe 104 and passes through and connects to the cleaning machine body 1.

[0032] When in use, the crushing roller 202 and the crushing roller 301 work together to crush large coal blocks into smaller and more uniform pieces, making it less likely for coal blocks to accumulate in the cleaning machine body 1, which is beneficial for conveying and discharging.

[0033] In this embodiment, a nozzle 8 is fixedly provided at the bottom of the hot air blower 4. The nozzles 8 are evenly distributed on the hot air blower 4. The support base 2 is connected to the cleaning machine body 1 by fasteners.

[0034] When in use, large coal blocks can be dried with hot air through the annular pipe 104, which effectively reduces their humidity and improves coal processing efficiency.

[0035] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: During the coal mine cleaning process, coal material enters the cleaning machine body 1 through the feed hopper 103. When subjected to the impact force of falling material, the multiple sets of springs 303 at the bottom of the inclined screen plate 106 undergo elastic deformation, thereby driving the inclined screen plate 106 to vibrate, allowing small coal pieces to fall through several screen holes and slide into the cavity 2 102 for direct conveying. The motor 201 is started, causing the crushing roller 2 301 to drive the drive wheel 5 to rotate. Under the transmission action of the transmission belt 6, the driven wheel 203 is driven... The rotating crushing roller 202, in turn, works in conjunction with the driven wheel 203 to crush large coal blocks, ensuring uniform crushing. Simultaneously, the hot air blower 4 generates hot air, which is conveyed to the annular pipe 104 via the fixed pipe 7 and then blown out through multiple nozzles 8 to dry the large coal blocks during the crushing process. This effectively reduces coal block blockage and agglomeration. The processed coal blocks fall into the cavity 102. Finally, the auger conveyor 3 is activated to discharge the coal blocks through the outlet, improving coal processing efficiency and enhancing the stability of coal block conveying.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A clogging-preventing material conveying device for a coal mine stock unloading machine, comprising a stock unloading machine body (1) and a support seat (2), characterized in that: The top of the cleaning machine body (1) is fixedly installed with a feeding hopper (103). The inside of the cleaning machine body (1) is provided with a cavity one (101). A partition (105) is fixedly installed in the middle section of the cavity one (101). A mounting frame (302) is fixedly installed on one side of the partition (105). An inclined screen plate (106) is provided above the mounting frame (302). A spring (303) is fixedly installed between the bottom end of the inclined screen plate (106) and the mounting frame (302). A crushing roller two (301) is movably installed on the side of the partition (105) away from the mounting frame (302). An annular tube (104) is provided above the crushing roller two (301). A cavity two (102) is provided on one side of the cavity one (101). An auger conveyor device (3) is installed in the cavity two (102) by fasteners.

2. A clogging prevention material conveying device for a coal mine stock unloading machine according to claim 1, wherein The annular tube (104) is fixedly connected to the upper end of the inner wall of the cavity one (101), and a hot air blower (4) is installed on one side of the top of the cleaning machine body (1) by fasteners. The outer end of the crushing roller two (301) is provided with a motor (201).

3. A device for preventing blockage of a material conveyor for a coal mine stock unloader according to claim 2, characterised in that, The motor (201) is connected to the side wall of the cleaning machine body (1) by fasteners. The motor (201) is fixedly connected to the second crushing roller (301) by the output shaft. The second crushing roller (301) is provided with a drive wheel (5) at one end near the motor (201).

4. A device for preventing blockage of material conveying according to claim 3, wherein, One side of the second crushing roller (301) is provided with a first crushing roller (202). The outer end of the first crushing roller (202) is fixedly provided with a driven wheel (203) and it passes through and connects to the side wall of the cleaning machine body (1). The driving wheel (5) and the driven wheel (203) are connected by a transmission belt (6).

5. A clogging prevention material conveying device for a coal mine stock unloading machine according to claim 2, wherein The top of the cleaning machine body (1) is fixedly provided with a feeding hopper (103), and a fixed pipe (7) is fixedly provided on the hot air blower (4). The other end of the fixed pipe (7) is fixedly connected to the annular pipe (104) and passes through the cleaning machine body (1).

6. A clogging prevention material conveying device for a coal mine stock unloading machine according to claim 2, wherein The bottom of the hot air blower (4) is fixedly provided with a nozzle (8), the nozzle (8) is distributed at equal intervals on the hot air blower (4), and the support base (2) is connected to the cleaning machine body (1) by fasteners.

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