A lump coal conveying and crushing device

Abstract

The present application relates to the technical field of lump coal crushing, and discloses a crushing device for lump coal conveying, which comprises guide rails arranged on both sides of large lump coal, a first baffle and a second baffle arranged on the guide rails and movable towards the large lump coal, a plurality of motors arranged on the first baffle, and a rotating filling assembly arranged on the output shaft of the motor and used for putting gunpowder into the large lump coal; the guide rails are detachably connected with a cover plate, the cover plate, the first baffle and the second baffle form an explosion protection shell; the rotating filling assembly comprises a first rod, a second rod detachably connected with the first rod, a third rod detachably connected with the second rod, a first wall breaking cylinder fixed to the outer periphery of the first rod, a second wall breaking cylinder fixed to the outer periphery of the third rod, a bearing assembly arranged on the outer periphery of the second rod, and a gunpowder filling piece arranged on the outer periphery of the bearing assembly; and the device solves the problem of poor crushing effect of conventional crushing devices on extra-large lump coal or large lump coal.

Description

Technical Field

[0001] This application relates to the field of lump coal crushing technology, and specifically discloses a crushing device for conveying lump coal. Background Technology

[0002] Lump coal, a fossil fuel, is coal that has been sorted out through underground mining into block shapes. According to particle size, lump coal is divided into: extra-large lump coal, large lump coal, medium lump coal, small lump coal, and granular coal.

[0003] After simple screening, the lump coal will be classified according to its size. Currently, there is a special screening machine for lump coal for this step. After the lump coal is classified, it will be transported by a conveying device.

[0004] There are problems in this process:

[0005] Traditional lump coal screening machines are not suitable for extra-large or large lump coal, and traditional conveying devices are also unsuitable for conveying them. Furthermore, simple handling of extra-large or large lump coal is quite difficult. Therefore, the inventor proposes a crushing device for conveying lump coal, which aims to crush extra-large or large lump coal on-site, thereby facilitating subsequent screening and transportation.

[0006] Currently, most large or extra-large coal pieces are crushed using large crushers. This requires transporting the coal to the crusher or having the crusher move it to the coal, which is very inconvenient. Furthermore, due to the irregular, near-circular shape of the coal, crushing these large or extra-large pieces is very difficult, as the crushing blades cannot effectively contact them. Summary of the Invention

[0007] The purpose of this invention is to solve the problem of poor crushing effect of traditional crushing devices on extra-large or large coal pieces.

[0008] To achieve the above objectives, the present invention provides the following basic solution:

[0009] A crushing device for conveying lump coal includes guide rails on both sides of a large lump coal, a first baffle and a second baffle that can move toward the large lump coal on the guide rails, a plurality of motors on the first baffle, and a rotating filling assembly on the output shaft of the motors for putting gunpowder into the large lump coal.

[0010] The guide rail is also detachably connected to a cover plate, which, together with the first baffle and the second baffle, forms an explosion protective shell;

[0011] The rotating filling assembly includes a first rod, a second rod detachably connected to the first rod, a third rod detachably connected to the second rod, a first wall-breaking cylinder fixed to the outer periphery of the first rod, a second wall-breaking cylinder fixed to the outer periphery of the third rod, a bearing assembly disposed on the outer periphery of the second rod, and a gunpowder filling component disposed on the outer periphery of the bearing assembly.

[0012] The principle and effect of this basic scheme are as follows:

[0013] 1. Compared with existing technologies, this invention has outstanding effects in crushing extra-large or large coal pieces. It uses explosive filling components to achieve explosive crushing, which has a better effect on extra-large or large coal pieces and solves the problem of poor crushing effect of traditional crushing devices on extra-large or large coal pieces.

[0014] 2. Compared with existing technologies, this device does not require the movement of extra-large or large pieces of coal. This device can be temporarily built based on the location of extra-large or large pieces of coal, and the construction will not be time-consuming or labor-intensive. It can be used for on-site explosive crushing, making the operation more convenient and faster.

[0015] 3. Compared with existing technologies, this device has a better explosive crushing effect than traditional explosive crushing. It uses internal detonation of extra-large or large coal pieces. Compared with surface detonation or shallow insertion detonation, the explosion in this case is an internal explosion. Therefore, the explosive crushing effect is better and it has a good effect on extra-large or large coal pieces.

[0016] 4. Compared with existing technologies, since it is necessary to detonate the inside of extra-large or large coal pieces, a rotating filling assembly was designed based on this point. The rotating filling assembly is used to transport the gunpowder into the inside of the extra-large or large coal pieces and to utilize the structural damage to the extra-large or large coal pieces before detonation, which is more conducive to the subsequent detonation of the gunpowder and achieves better fragmentation.

[0017] 5. Compared with the prior art, the rotating filling assembly includes a first rod, a second rod detachably connected to the first rod, a third rod detachably connected to the second rod, a first wall-breaking cylinder fixed to the outer periphery of the first rod, a second wall-breaking cylinder fixed to the outer periphery of the third rod, a bearing assembly disposed on the outer periphery of the second rod, and a gunpowder filling component disposed on the outer periphery of the bearing assembly. When the gunpowder filling component is located inside extra-large or large coal lumps, the first rod and the third rod can be separated and reused. Furthermore, the structural damage to extra-large or large coal lumps caused by the rotating filling assembly will not only not affect the gunpowder filling component, but will also help the gunpowder filling component accelerate the adhesion of the gunpowder to the extra-large or large coal lumps.

[0018] Furthermore, both the first baffle and the second baffle are provided with sliding blocks at their bottoms. The sliding blocks slide on the guide rail. The bottom of the guide rail is provided with an insertion hole, and the insertion hole is provided with an insertion pin for fixing the guide rail. Both the first baffle and the second baffle are fixedly connected to a handle on the side away from the large lump coal.

[0019] Furthermore, the cover plate is provided with a fixing rod, which extends out of the cover plate and is fixed on the guide rail. The cover plate, the first baffle, and the second baffle are all made of carbon fiber.

[0020] Furthermore, the first rod is coaxially connected to the output shaft of the motor, and the free end of the first rod is provided with a first magnet block, which is magnetically connected to the second rod through the first magnet block. One end of the third rod is fixedly connected to a wall-breaking head, and the other end of the third rod is provided with a second magnet block, which is magnetically connected to the second rod through the second magnet block.

[0021] Furthermore, the size of the first rod is equal to the size of the third rod, and the size of the gunpowder filler plus the size of the bearing assembly plus the size of the second rod equals the size of the first rod.

[0022] Furthermore, the bearing assembly includes an inner ring, ball bearings, and an outer ring, wherein the inner ring abuts against the second rod, and the outer ring abuts against the gunpowder filler.

[0023] Furthermore, the gunpowder filling component includes a gunpowder filling assembly and a reminder tube fixed to both ends of the gunpowder filling assembly. The gunpowder filling assembly includes a sleeve that abuts against the outer ring, several elastic ropes that are evenly fixed around the sleeve, and an arc-shaped cap disposed at the end of the elastic rope. A gap is left between the arc-shaped cap and the sleeve, and the gunpowder is filled in the gap.

[0024] Furthermore, the gunpowder is a detonator with a fuse, which has a built-in lead and a battery for providing current to the lead.

[0025] Furthermore, the outer periphery of the arc-shaped cover is fixed with expanding teeth, which are triangular teeth.

[0026] Furthermore, when the warning tube in the gunpowder filling component is located on both sides of the outside of the large lump of coal, the first rod, the second rod, and the third rod separate, with the second rod remaining inside the large lump of coal, leaving only the warning tube outside the large lump of coal. It also includes a driving component, which, after being connected to the warning tube, causes the warning tube to rotate, causing the elastic rope to be stretched by centrifugal force, and the gunpowder to be exposed from the gap and come into contact with the large lump of coal. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the structure of a crushing device for conveying lump coal according to an embodiment of this application is shown;

[0029] Figure 2 This illustration shows the installation diagram of the first rod, the second rod, and the third rod in a crushing device for conveying lump coal according to an embodiment of this application;

[0030] Figure 3 This paper shows a schematic diagram of the structure of a first crushing cylinder, a bearing assembly, and a second crushing cylinder for conveying lump coal according to an embodiment of this application.

[0031] Figure 4 This paper shows a schematic diagram of the bearing assembly in a crushing device for conveying lump coal according to an embodiment of this application;

[0032] Figure 5 This paper shows a schematic diagram illustrating the installation position of the gunpowder filling component in a crushing device for conveying lump coal according to an embodiment of this application.

[0033] Figure 6 This paper shows a schematic diagram of the structure of the gunpowder filling component in a crushing device for conveying lump coal according to an embodiment of this application;

[0034] Figure 7 This paper shows a schematic diagram of the detonation position of the gunpowder filling component in a crushing device for conveying lump coal according to an embodiment of this application;

[0035] Figure 8 A schematic diagram of the structure of the reminder tube in the gunpowder filling component of a crushing device for conveying lump coal according to an embodiment of this application is shown. Detailed Implementation

[0036] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0037] The reference numerals in the accompanying drawings include: guide rail 1, insertion hole 2, first baffle 3, handle 4, motor 5, rotating filling assembly 6, first rod 601, first wall-breaking cylinder 6012, first magnet block 602, second rod 603, bearing assembly 6031, outer ring 60311, inner ring 60312, ball bearing 60313, elastic rope 60314, gunpowder 60315, second magnet block 604, third rod 605, second wall-breaking cylinder 6051, wall-breaking head 606, gunpowder filling component 607, reminder tube 6071, sleeve 6072, arc-shaped cover 6073, cover plate 7, fixing rod 8, second baffle 9, through hole 10, driving component 11, wall-expanding teeth 12, large lump coal 13.

[0038] Implementation, for example Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown:

[0039] A crushing device for conveying lump coal includes guide rails 1 on both sides of a large lump coal 13, a first baffle 3 and a second baffle 9 on the guide rails 1 that can move toward the large lump coal 13, a plurality of motors 5 on the first baffle 3, and a rotating filling assembly 6 on the output shaft of the motors 5 for putting gunpowder 60315 into the large lump coal 13.

[0040] The guide rail 1 is also detachably connected to a cover plate 7, which together with the first baffle 3 and the second baffle 9 form an explosion protection shell;

[0041] Specifically: Locate the position of the large lump coal 13, and install the guide rail 1 on-site based on the position of the large lump coal 13. The bottom of both the first baffle 3 and the second baffle 9 is provided with sliding blocks, which slide on the guide rail 1. The bottom of the guide rail 1 is provided with an insertion hole 2, and the insertion hole 2 is provided with an insertion pin for fixing the guide rail 1. Handles 4 are fixedly connected to the outer sides of both the first baffle 3 and the second baffle 9 away from the large lump coal 13. Figure 1 As shown, a fixing rod 8 is provided on the cover plate 7. The fixing rod 8 passes through the cover plate 7 and is fixed on the guide rail 1. The cover plate 7, the first baffle 3, and the second baffle 9 are all made of carbon fiber. The cover plate 7, the first baffle 3, and the second baffle 9 form an explosion protection shell. When the large lump coal 13 is detonated, the cover plate 7, the first baffle 3, and the second baffle 9 can provide protection and facilitate the subsequent collection of the crushed large lump coal 13.

[0042] The rotating filling assembly 6 includes a first rod 601, a second rod 603 detachably connected to the first rod 601, a third rod 605 detachably connected to the second rod 603, a first wall-breaking cylinder 6012 fixed to the outer periphery of the first rod 601, a second wall-breaking cylinder 6051 fixed to the outer periphery of the third rod 605, a bearing assembly 6031 disposed on the outer periphery of the second rod 603, and a gunpowder filling component 607 disposed on the outer periphery of the bearing assembly 6031.

[0043] like Figure 2 As shown, in the first rod 601, the second rod 603, and the third rod 605, the first rod 601 is coaxially connected to the output shaft of the motor 5. The free end of the first rod 601 is provided with a first magnet 602, which is magnetically connected to the second rod 603. One end of the third rod 605 is fixedly connected to a wall-breaking head 606, and the other end of the third rod 605 is provided with a second magnet 604, which is magnetically connected to the second rod 603. Specifically, the first rod 601, the second rod 603, and the third rod 605 are detachably connected by the first magnet 602 being energized and the second magnet 604 being de-energized and de-magnetized.

[0044] like Figure 3 As shown, the first crushing cylinder 6012 is fixed to the outer periphery of the first rod 601, the second crushing cylinder 6051 is fixed to the outer periphery of the third rod 605, the outer periphery of the second rod 603 is the bearing assembly 6031, and the outer periphery of the bearing assembly 6031 is the gunpowder filler 607. In order not to affect the rotation of the large lump coal 13 by the first crushing cylinder 6012 and the second crushing cylinder 6051, the size of the first rod 601 is equal to the size of the third rod 605, and the size of the gunpowder filler 607 plus the size of the bearing assembly 6031 plus the size of the second rod 603 equals the size of the first rod 601.

[0045] The bearing assembly 6031 includes an inner ring 60312, a ball bearing 60313, and an outer ring 60311. The inner ring 60312 abuts against the second rod 603, and the outer ring 60311 abuts against the gunpowder filling member 607. Due to the bearing assembly 6031, when the second rod 603 rotates, it drives the inner ring 60312 to rotate, while the outer ring 60311 does not rotate due to the action of the ball bearing 60313. When the outer ring 60311 does not rotate, the gunpowder filling member 607 located outside the outer ring 60311 does not rotate, which is equivalent to the gunpowder filling member 607 being translated into the large lump coal 13.

[0046] Regarding the gunpowder filling component 607: The gunpowder filling component 607 includes a gunpowder 60315 filling assembly and a reminder tube 6071 fixed to both ends of the gunpowder 60315 filling assembly. The gunpowder 60315 filling assembly includes a sleeve 6072 that abuts against the outer ring 60311, a number of elastic ropes 60314 that are evenly fixed around the sleeve 6072, and an arc-shaped cap 6073 provided at the end of the elastic rope 60314. A gap is left between the arc-shaped cap 6073 and the sleeve 6072, and the gunpowder 60315 is filled in the gap.

[0047] 60315 is a detonator with a fuse. The detonator with a fuse has a fuse and a battery to provide current to the fuse. The outer periphery of the arc-shaped cover 6073 is fixed with expanding teeth 12. The expanding teeth 12 are triangular teeth, which are mainly used to expand the wall and give 60315 a better detonation space.

[0048] Specific implementation process:

[0049] The first step is to install the guide rail 1 based on the position and shape of the large lump coal 13, set the first baffle 3 and the second baffle 9, and determine the number of motors 5 based on the size of the large lump coal 13, so that the rotating filling components 6 can be placed around the large lump coal 13, which is conducive to the final explosion and crushing effect.

[0050] The second step is to start the motor 5, which causes the first rod 601, the second rod 603 and the third rod 605 to rotate. The first breaking cylinder 6012 and the second breaking cylinder 6051 and the breaking head 606 act on the large lump coal 13. The first rod 601, the second rod 603 and the third rod 605 enter the large lump coal 13. During this process, due to the action of the bearing assembly 6031, the gunpowder filling part 607 will not rotate and will enter the large lump coal 13 in a translational state.

[0051] Third, the second wall-breaking cylinder 6051 then passes through the other side of the large lump coal 13. Since the number of motors 5 is determined based on the size of the large lump coal 13, the second baffle 9 should be provided with a corresponding number of through holes 10 for the second wall-breaking cylinder 6051 to pass through.

[0052] Step four, as Figure 7 As shown, after observing the reminder tubes 6071 on both sides of the large lump coal 13, the power is turned off to the first magnet 602 and the second magnet 604. This can be done remotely. When the power is turned off to the first magnet 602 and the second magnet 604, the first rod 601 and the third rod 605 separate from the second rod 603. The second rod 603 stays inside the large lump coal 13 and the reminder tubes 6071 at both ends are exposed.

[0053] The fifth step also includes a drive component 11, which can be a motor or a crank. After the drive component 11 is connected to the reminder tube 6071, the reminder tube 6071 rotates. The rotation of the reminder tube 6071 causes the outer ring 60311 to rotate. When the outer ring 60311 rotates, the elastic rope 60314 is stretched by centrifugal force, the arc-shaped cover 6073 moves outward, the triangular teeth on the arc-shaped cover 6073 expand the wall in its original position, and the gap between the arc-shaped cover 6073 and the sleeve 6072 increases. The gunpowder 60315 is exposed from the gap and contacts the large lump coal 13. Then the rotation of the reminder tube 6071 stops.

[0054] Finally, the remote-controlled detonating explosive 60315 is used. Regarding the remote-controlled detonating explosive 60315: a starting signal is given to the battery, and the battery provides a current to the lead wire. This is the existing technology of lead-type detonators, which will not be elaborated on further. Explosive 60315 is directly detonated from the inside of the large lump coal 13 to break it up.

[0055] This device solves the problem of poor crushing effect of traditional crushing devices on extra-large or large coal pieces.

[0056] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A crushing device for conveying lump coal, characterized in that: It includes guide rails set on both sides of the large lump coal, a first baffle and a second baffle set on the guide rails that can move toward the large lump coal, several motors set on the first baffle, and a rotating filling assembly set on the output shaft of the motors for putting gunpowder into the large lump coal. The guide rail is also detachably connected to a cover plate, which, together with the first baffle and the second baffle, forms an explosion protective shell; The rotating filling assembly includes a first rod, a second rod detachably connected to the first rod, a third rod detachably connected to the second rod, a first wall-breaking cylinder fixed to the outer periphery of the first rod, a second wall-breaking cylinder fixed to the outer periphery of the third rod, a bearing assembly disposed on the outer periphery of the second rod, and a gunpowder filling component disposed on the outer periphery of the bearing assembly. The bearing assembly includes an inner ring, ball bearings, and an outer ring. The inner ring abuts against the second rod, and the outer ring abuts against the gunpowder filler. The gunpowder filling component includes a gunpowder filling assembly and a reminder tube fixed to both ends of the gunpowder filling assembly. The gunpowder filling assembly includes a sleeve that abuts against the outer ring, several elastic ropes that are evenly fixed around the sleeve, and an arc-shaped cap provided at the end of the elastic rope. A gap is left between the arc-shaped cap and the sleeve, and the gunpowder is filled in the gap. When the warning tube in the gunpowder filling is located on both sides of the outside of the large lump of coal, the first rod, the second rod, and the third rod separate. The second rod remains inside the large lump of coal, leaving only the warning tube on the outside of the large lump of coal. The filling also includes a driving component. After the driving component is connected to the warning tube, it causes the warning tube to rotate, causing the elastic rope to be stretched by centrifugal force, and the gunpowder is exposed from the gap and comes into contact with the large lump of coal.

2. The crushing device for conveying lump coal according to claim 1, characterized in that, The bottom of both the first baffle and the second baffle is provided with a sliding block, which slides on the guide rail. The bottom of the guide rail is provided with an insertion hole, and the insertion hole is provided with an insertion pin for fixing the guide rail. The first baffle and the second baffle are both fixed with handles on the side away from the large lump coal.

3. The crushing device for conveying lump coal according to claim 2, characterized in that, The cover plate is provided with a fixing rod, which extends out of the cover plate and is fixed on the guide rail. The cover plate, the first baffle, and the second baffle are all made of carbon fiber.

4. The crushing device for conveying lump coal according to claim 1, characterized in that, The first rod is coaxially connected to the output shaft of the motor. The free end of the first rod is provided with a first magnet block, which is magnetically connected to the second rod. One end of the third rod is fixed with a wall-breaking head, and the other end of the third rod is provided with a second magnet block, which is magnetically connected to the second rod.

5. A crushing device for conveying lump coal according to claim 4, characterized in that, The size of the first rod is equal to the size of the third rod, and the size of the gunpowder filler plus the size of the bearing assembly plus the size of the second rod equals the size of the first rod.

6. A crushing device for conveying lump coal according to claim 5, characterized in that, The explosive is a detonator with a fuse, which has a built-in lead and a battery for providing current to the lead.

7. A crushing device for conveying lump coal according to claim 6, characterized in that, The outer periphery of the arc-shaped cover is fixed with expanding teeth, which are triangular teeth.

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