Coal mine roof drilling presplitting blasting charging device

Abstract

The invention provides a coal mine roof drilling presplitting blasting charging device which comprises a base and a conveying assembly, the conveying assembly is arranged on the base and comprises a first conveying piece and a second conveying piece, the first conveying piece comprises a first conveying rod and a first clamping jaw, and the second conveying piece comprises a second conveying rod and a second clamping jaw. The first conveying piece comprises a first conveying rod and a first clamping jaw, the first end of the first conveying rod is rotatably connected with the base, the second end of the first conveying rod is used for abutting against a coal mine top plate, the first clamping jaw is connected with the first conveying rod and can move in the extending direction of the first conveying rod, and the second conveying piece comprises a second conveying rod and a second clamping jaw; the second end of the second conveying rod is used for abutting against the coal mine roof, the second clamping jaw is connected with the second conveying rod, and the second clamping jaw can move in the extending direction of the second conveying rod. The coal mine roof drilling presplitting blasting charging device is beneficial for ensuring the charging quality and the blasting effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mine blasting, in particular to a coal mine roof drilling pre-splitting blasting charging device. BACKGROUND

[0002] In the process of roof cutting and pressure releasing, coal seam pre-splitting and permeability increasing, etc., which are widely carried out in coal mines, roof deep hole blasting process is often used. The charging drilling hole has the characteristics of large diameter and deep hole. At present, the drilling hole depth of roof cutting and pressure releasing can reach 65m, which undoubtedly brings great difficulty to the charging process.

[0003] In related technology, when charging in the mine, multiple workers need to cooperate to push the cartridge to the bottom of the drilling hole. In the actual operation process, the charging link of a single drilling hole often consumes more than 40 minutes, which has the problems of high labor intensity and low efficiency. SUMMARY

[0004] The present application aims to at least solve one of the technical problems in the related art to some extent.

[0005] To this end, an embodiment of the present application provides a coal mine roof drilling pre-splitting blasting charging device, which is more stable and uniform in pushing, and helps to ensure the charging quality and blasting effect, and improve the effect of processes such as roof cutting and pressure releasing, coal seam pre-splitting and permeability increasing, etc.

[0006] The coal mine roof drilling pre-splitting blasting charging device provided by the embodiment of the present application comprises: a base; a conveying assembly provided on the base, the conveying assembly comprising a first conveying member and a second conveying member, the first conveying member comprising a first conveying rod and a first clamping jaw, the first end of the first conveying rod being rotatably connected to the base, the second end of the first conveying rod being used to abut against the coal mine roof, the first clamping jaw being connected to the first conveying rod and being movable along the extension direction of the first conveying rod, the second conveying member comprising a second conveying rod and a second clamping jaw, the first end of the second conveying rod being rotatably connected to the base, the second end of the second conveying rod being used to abut against the coal mine roof, the second clamping jaw being connected to the second conveying rod and being movable along the extension direction of the second conveying rod, the conveying assembly having a conveying state, in which the first clamping jaw is used to clamp a conveying pipe used to load explosives, and the second clamping jaw is reciprocally movable along the extension direction of the second conveying rod, when the second clamping jaw moves towards the coal mine roof, the first clamping jaw releases the conveying pipe, and when the second clamping jaw moves away from the coal mine roof, the first clamping jaw clamps the conveying pipe.

[0007] The coal mine roof drilling pre-splitting blasting charging device of this invention achieves continuous and automatic delivery of explosive cartridges through the coordinated operation of two grippers, significantly shortening the charging time for a single borehole. Furthermore, it reduces the number of operators and the workload; tasks that previously required multiple workers can now be performed more efficiently by a single person.

[0008] In some embodiments, the extension directions of the first conveying rod and the second conveying rod are generally consistent with the height direction of the coal mine, and the first conveying rod is parallel to the second conveying rod.

[0009] In some embodiments, the first conveying rod includes a first fixed section and a first telescopic section connected together. The first fixed section is connected to the base, and the first telescopic section is connected to the first fixed section. The first telescopic section is telescopic in the direction of the coal mine roof. The second conveying rod includes a second fixed section and a second telescopic section connected together. The second fixed section is connected to the base, and the second telescopic section is connected to the second fixed section. The second telescopic section is telescopic in the direction of the coal mine roof.

[0010] In some embodiments, the first conveyor further includes a pin component connected to both the first telescopic section and the second telescopic section, the first telescopic section and the second telescopic section abutting against the coal mine roof, and at least a portion of the pin component being inserted into the coal mine roof.

[0011] In some embodiments, the conveying assembly further includes a first driving member and a second driving member, a first end of the first driving member being rotatably connected to the base, and a second end of the first driving member being rotatably connected to the first conveying rod, the first driving member being used to drive the first conveying rod to rotate. The first end of the second driving member is rotatably connected to the base, and the second end of the second driving member is rotatably connected to the second conveying rod. The second driving member is used to drive the second conveying rod to rotate.

[0012] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes a counterweight component, which is connected to the base and is arranged on both sides of the first conveying rod in a direction orthogonal to the extension of the first conveying rod.

[0013] In some embodiments, the conveying assembly further includes a first conveying drive and a second conveying drive, the first conveying drive being connected to the first conveying rod, the first gripper being detachably connected to the first conveying drive, and the first conveying drive being used to drive the first gripper to move along the extension direction of the first conveying rod. The second conveying drive is connected to the second conveying rod, and the second gripper is detachably connected to the second conveying drive. The second conveying drive is used to drive the second gripper to move along the extension direction of the second conveying rod.

[0014] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes casters, which are connected to the base and located at the bottom of the base. There are multiple casters, which are arranged at intervals along the length and width directions of the base.

[0015] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes a ground nail component, the ground nail component including a ground nail drive and a ground nail assembly, the ground nail drive is connected to the base and located at the bottom of the base, and the ground nail assembly is rotatably connected to the ground nail drive.

[0016] In some embodiments, there are multiple ground stake components, which are spaced apart along the length and width directions of the base. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the coal mine roof drilling pre-splitting blasting charging device according to an embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the ground nail component of the coal mine roof drilling pre-splitting blasting charging device according to an embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the structure of the first / second gripper of the coal mine roof drilling pre-splitting blasting charging device according to an embodiment of the present invention.

[0020] Figure label: 1. Base 2. Conveying components, 21. First conveying component; 211. First conveying rod; 2111. First fixed section; 2112. First telescopic section; 212. First gripper. 22. Second conveying component; 221. Second conveying rod; 2211. Second fixed section; 2212. Second telescopic section; 222. Second gripper. 23. First drive component; 24. Second drive component; 3. Ejector pin assembly, 4. Counterweight components, 5. Casters 6. Ground stake components; 61. Ground stake drive components; 62. Ground stake assemblies. Detailed Implementation

[0021] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0022] like Figures 1-3 As shown, the coal mine roof drilling pre-splitting blasting charging device of this embodiment includes: a base 1 and a conveying assembly 2.

[0023] The conveying assembly 2 is mounted on the base 1. The conveying assembly 2 includes a first conveying member 21 and a second conveying member 22. The first conveying member 21 includes a first conveying rod 211 and a first gripper 212. The first end of the first conveying rod 211 is rotatably connected to the base 1, and the second end of the first conveying rod 211 is used to abut against the coal mine roof. The first gripper 212 is connected to the first conveying rod 211 and is movable along the extending direction of the first conveying rod 211. The second conveying member 22 includes a second conveying rod 221 and a second gripper 222. The first end of the second conveying rod 221 is rotatably connected to the base 1, and the second end of the first conveying rod 211 is movable along the extending direction of the first conveying rod 211. The second conveying member 22 includes a second conveying rod 221 and a second gripper 222. The first end of the second conveying rod 221 is rotatably connected to the base 1, and the second end of the second conveying rod 221 is movable along the extending direction of the first conveying rod 211. The second end of the conveying rod 221 is used to abut against the roof of the coal mine. The second gripper 222 is connected to the second conveying rod 221 and can move along the extension direction of the second conveying rod 221. The conveying assembly 2 has a conveying state. In the conveying state, the first gripper 212 is used to hold the conveying pipe, which is used to load explosives. The second gripper 222 can reciprocate along the extension direction of the second conveying rod 221. When the second gripper 222 moves toward the coal mine roof, the first gripper 212 releases the conveying pipe. When the second gripper 222 moves away from the coal mine roof, the first gripper 212 holds the conveying pipe.

[0024] Specifically, such as Figure 1 As shown, the base 1 is used to place on the ground of the coal mine. The first conveying rod 211 and the second conveying rod 221 can be connected to the base 1 by hinge, so that the first conveying rod 211 and the second conveying rod 221 can rotate relative to the base 1, thereby adjusting the orientation of the first conveying rod 211 and the second conveying rod 221, and thus facilitating the loading of explosives into boreholes at different locations.

[0025] The lower ends of the first conveying rod 211 and the second conveying rod 221 are hinged to the base 1. The first gripper 212 is connected to the first conveying rod 211 and is movable along the extension direction of the first conveying rod 211. This structure allows the first conveying rod 211 to abut against the coal mine roof at its second end, forming a stable support point. The first gripper 212 can slide on the conveying rod to achieve clamping and release control of the conveying pipe, ensuring stability during the loading process. Similarly, the second gripper 222 is connected to the second conveying rod 221 and is movable along the extension direction of the second conveying rod 221 so that it can cooperate with the first gripper 212 to allow the conveying pipe to move towards the depth of the borehole.

[0026] Understandably, the alternating gripping and releasing mechanism of the first gripper 212 and the second gripper 222 enables the gradual pushing of the explosive cartridge, similar to a "relay transport" mechanism. This effectively solves the problem of loading explosives in deep holes (up to 65m), significantly improves loading efficiency, and reduces the intensity of manual labor.

[0027] In other words, the pre-splitting blasting charging device for coal mine roof drilling in this embodiment of the invention achieves continuous and automatic delivery of explosive cartridges through the coordinated work of two grippers, significantly shortening the charging time for a single borehole. Furthermore, it reduces the number of operators and the workload; tasks that previously required multiple workers can now be performed more efficiently by a single person.

[0028] It should be noted that, depending on the borehole depth, the delivery pipe can be made of multiple sections, connected sequentially by threads to form a length matching the borehole depth. In this multi-section design, the first section (the first pipe inserted into the borehole) is used to hold the explosive charge. The rear end of the first section can be threaded to the front ends of other sections to ensure stable explosive delivery. Until the last section, to ensure the safety of the blasting environment, the delivery pipe needs to be inserted a certain distance into the borehole. That is, the last section is not threaded to the preceding section; instead, the preceding section is pushed into the designated position within the borehole using the last section, and then the last section is removed from the borehole. This separates the last section from the preceding section and ensures sufficient space between the end of the delivery pipe and the borehole inlet, thereby improving the safety of the blasting environment.

[0029] Preferably, the outer peripheral wall of the delivery pipe can be provided with anti-slip components (such as barbs), that is, when the delivery pipe is inserted into the borehole, the anti-slip components do not affect the movement of the delivery pipe. When the delivery pipe moves toward the borehole opening, the anti-slip components can abut against the wall of the borehole to prevent the delivery pipe inside the borehole from moving backward out of the borehole.

[0030] In some embodiments, the extension direction of the first conveying rod 211 and the extension direction of the second conveying rod 221 are generally consistent with the height direction of the coal mine, and the first conveying rod 211 is parallel to the second conveying rod 221.

[0031] It is understandable that, such as Figure 1 As shown, the two conveyor rods are along the height direction of the coal mine (e.g., Figure 1 The conveyor rods are arranged vertically (up and down) to form a structure perpendicular to the bottom of the roadway, suitable for the vertical or near-vertical drilling and charging requirements commonly encountered in coal mine roof blasting operations. The first conveyor rod 211 and the second conveyor rod 221 are kept parallel to each other, forming a stable frame structure. The parallel arrangement ensures the consistency and coordination of the movement trajectories of the two grippers.

[0032] In other words, the parallel arrangement makes the device structure more compact, making it easier to operate and move in narrow tunnels. The two parallel conveyor rods move in the same direction, simplifying the design of the drive system. The alternating action control of the grippers is more intuitive, reducing the complexity of operation.

[0033] In some embodiments, the first conveying rod 211 includes a first fixed section 2111 and a first telescopic section 2112 connected together. The first fixed section 2111 is connected to the base 1, and the first telescopic section 2112 is connected to the first fixed section 2111. The first telescopic section 2112 is telescopic in the direction of the coal mine roof. The second conveying rod 221 includes a second fixed section 2211 and a second telescopic section 2212 connected together. The second fixed section 2211 is connected to the base 1, and the second telescopic section 2212 is connected to the second fixed section 2211. The second telescopic section 2212 is telescopic in the direction of the coal mine roof.

[0034] Specifically, such as Figure 1 As shown, the first fixed section 2111 is located below the first telescopic section 2112. The first telescopic section 2112 can extend towards the coal mine roof to ensure the overall stability of the device when it abuts against the coal mine roof. Similarly, the second telescopic section 2212 can also abut against the coal mine roof, further improving the overall stability and facilitating subsequent charging operations.

[0035] It is understandable that the first telescopic section 2112 and the second telescopic section 2212 can be made of cylinders, oil cylinders or other equipment with reciprocating linear movement. That is, when the device moves to the bottom of the borehole, the tilt angle of the first conveying rod 211 and the second conveying rod 221 can be adjusted according to the position of the borehole so that the conveying rods are as parallel as possible to the borehole. Then, the first telescopic section 2112 and the second telescopic section 2212 are pressed against the roof of the coal mine to ensure the stability of the device. Thus, the stability of the entire device during the loading process is ensured.

[0036] In some embodiments, the first conveying member 21 further includes a pin component 3, which is connected to both the first telescopic section 2112 and the second telescopic section 2212. The first telescopic section 2112 and the second telescopic section 2212 abut against the coal mine roof, and at least a portion of the pin component 3 is used to insert into the coal mine roof.

[0037] Specifically, such as Figure 1 As shown, the ejector pin component 3 is located on the top of the first telescopic section 2112 and the second telescopic section 2212 respectively. The ejector pin component 3 can be connected to the telescopic section by hinge, which can ensure synchronous movement with the telescopic section and adapt to the uneven coal mine roof.

[0038] Understandably, the first telescopic section 2112 and the second telescopic section 2212 extend to and abut against the coal mine roof (providing initial support). The tip of the ejector pin component 3 further inserts into the coal mine roof, forming a physical anchor. That is, the telescopic section provides vertical support by contacting the roof at its end, resisting the device's own weight and the reaction force during charging. The ejector pin inserting into the roof forms a horizontal anchoring force, preventing the device from shifting laterally or overturning due to vibration or thrust during charging.

[0039] In other words, the hinge between the ejector pin component 3 and the telescopic section allows the ejector pin component 3 to finely adjust its insertion angle to adapt to the unevenness of the roof strata (such as cracks and inclined surfaces), ensuring that the device always forms a rigid connection with the roof. In areas with soft or broken roof strata, the ejector pin can still provide effective anchoring, breaking through the limitation of traditional devices that are only suitable for hard roof strata.

[0040] In some embodiments, the conveying assembly 2 further includes a first driving member 23 and a second driving member 24. The first end of the first driving member 23 is rotatably connected to the base 1, and the second end of the first driving member 23 is rotatably connected to the first conveying rod 211. The first driving member 23 is used to drive the first conveying rod 211 to rotate. The first end of the second driving member 24 is rotatably connected to the base 1, and the second end of the second driving member 24 is rotatably connected to the second conveying rod 221. The second driving member 24 is used to drive the second conveying rod 221 to rotate.

[0041] Understandably, the first end of the first driving member 23 is rotatably connected to the base 1, forming a hinge point, and the second end of the first driving member 23 is rotatably connected to the first conveying rod 211, forming another hinge point. This double-hinged structure allows the first driving member 23 to transmit power to the first conveying rod 211, while allowing a certain degree of relative freedom of movement between the two. That is, the first conveying rod 211 can rotate relative to the base 1 under the drive of the first driving member 23, thereby adjusting the tilt angle of the first conveying rod 211 to adapt to drilling positions. Similarly, the second driving member 24 can also drive the second conveying rod 221 to rotate.

[0042] Preferably, the control components of the first drive member 23, the second drive member 24, the first telescopic section 2112, and the second telescopic section 2212 can all be integrated into one controller to facilitate unified adjustment by the operator.

[0043] In other words, through the driving action of the drive components, the delivery rod can actively adjust its angle, rather than simply being passively supported. The drive system can precisely control the rotation angle of the delivery rod, enabling it to better adapt to boreholes at different angles and positions. This design allows the device to cope with more complex downhole environments and various borehole angle requirements. Furthermore, by driving the delivery rod to rotate, the position and orientation of the explosive cartridge within the borehole can be precisely adjusted. Mechanical drive replaces some manual adjustment work, reducing labor intensity. The drive system may also work in conjunction with a gripper system to achieve more precise explosive cartridge pushing and positioning.

[0044] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes a counterweight component 4, which is connected to the base 1, and is arranged on both sides of the first conveying rod 211 in a direction orthogonal to the extension of the first conveying rod 211.

[0045] It is understandable that, such as Figure 1 As shown, the counterweight component 4 is directly connected to the base 1, forming a stable support foundation. The counterweight component 4 and the first driving component 23 are located on both sides of the first conveying rod 211, and the direction of their connection is orthogonal to the extension direction of the first conveying rod 211. The relative arrangement of the counterweight component 4 and the first driving component 23 with respect to the first conveying rod 211 forms a balanced structure. The counterweight component 4 and the first driving component 23 form a torque balance on both sides of the first conveying rod 211. When the first conveying rod 211 and the second conveying rod 221 are tilted, the addition of the counterweight component 4 can bring the center of gravity of the entire system closer to the base 1, enhancing the stability of the device in complex downhole environments. During the loading process, especially when pushing the explosive cartridge into the deep hole, the counterweight component 4 can effectively counteract the reaction force generated by these forces on the stability of the device.

[0046] Optionally, the controllers for the first drive unit 23, the second drive unit 24, the first telescopic section 2112, and the second telescopic section 2212 can also be installed on the counterweight component 4, thereby making operation more convenient.

[0047] In some embodiments, the conveying assembly 2 further includes a first conveying drive and a second conveying drive. The first conveying drive is connected to the first conveying rod 211, and the first gripper 212 is detachably connected to the first conveying drive. The first conveying drive is used to drive the first gripper 212 to move along the extension direction of the first conveying rod 211. The second conveying drive is connected to the second conveying rod 221, and the second gripper 222 is detachably connected to the second conveying drive. The second conveying drive is used to drive the second gripper 222 to move along the extension direction of the second conveying rod 221.

[0048] Specifically, such as Figure 1 and Figure 3 As shown, the first conveying drive is mounted on the first conveying rod 211. The first gripper 212 can be connected to the output part of the first conveying drive by means of plug-in, snap-fit, or threaded connection. The first conveying drive can drive the first gripper 212 to reciprocate in the up-down direction. Similarly, the second conveying drive can also drive the second gripper 222 to reciprocate in the up-down direction.

[0049] Understandably, the first and second conveying drive components can be pneumatic cylinders, hydraulic cylinders, or reciprocating devices driven by an electric motor, such as ball screws. In other words, mechanical drive replaces manual pushing, significantly increasing the loading speed. The drive system can precisely control the movement speed and position of the grippers, ensuring uniform distribution of the drug cartridges. Replaceable grippers can be changed to fit different drug cartridge specifications, improving versatility and facilitating maintenance and replacement in harsh downhole environments.

[0050] Preferably, the first conveying rod 211 has a cavity, and a through groove is formed on the side wall of the first conveying rod 211. The first conveying drive member is disposed in the cavity of the first conveying rod 211, and the first gripper 212 can pass through the through groove and connect with the first conveying drive member. Similarly, the second conveying drive member is also placed in the cavity of the second conveying rod 221.

[0051] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes casters 5. The casters 5 are connected to the base 1 and located at the bottom of the base 1. There are multiple casters 5, and the multiple casters 5 are arranged at intervals along the length direction and width direction of the base 1.

[0052] It is understandable that, such as Figure 1 As shown, the casters 5 are directly connected to the base 1 to form a stable support structure. The casters 5 are located at the bottom of the base 1 to ensure that the device can stand stably on the ground. There are multiple casters 5, which are arranged at intervals along the length and width of the base 1. This interval arrangement forms a multi-point support system to ensure that the device remains stable when moving and stationary.

[0053] In other words, the casters 5 enable the entire device to move easily underground in coal mines. Workers can easily push the device to move between different drilling locations. The casters 5 allow the device to move flexibly in any direction without being restricted by direction, making it particularly suitable for the narrow spaces underground in coal mines. Heavy equipment that originally required multiple people to carry can now be moved by pushing it easily, significantly reducing labor intensity.

[0054] In some embodiments, the coal mine roof drilling pre-splitting blasting charging device of the present invention further includes a ground nail component 6, which includes a ground nail drive component 61 and a ground nail assembly 62. The ground nail drive component 61 is connected to the base 1 and located at the bottom of the base 1, and the ground nail assembly 62 is rotatably connected to the ground nail drive component 61.

[0055] Specifically, such as Figure 1 and Figure 2 As shown, the ground stake drive 61 is connected to the base 1 and located at the bottom of the base 1. The ground stake assembly 62 is rotatably connected to the ground stake drive 61. This connection allows the ground stake assembly 62 to rotate at a certain angle relative to the ground stake drive 61. Optionally, the ground stake assembly 62 can be connected by a hinge, bearing, universal joint, or other rotatable mechanism. Preferably, as shown in the figure, the ground stake assembly 62 and the ground stake drive 61 are connected by a universal joint.

[0056] Understandably, the ground anchor assembly 62 can be inserted into the underground surface of the coal mine to firmly fix the entire device in a specific position, preventing movement or shaking during the charging process. During charging, especially in deep-hole charging, the pushing of the explosive cartridge will generate a reaction force, which the ground anchor assembly 62 can effectively resist, maintaining the stability of the device. The ground anchor assembly 62 works in conjunction with the counterweight assembly 4 and the ejector assembly 3 to form a multi-layered stability protection system, ensuring the stability of the device under various operating conditions.

[0057] Preferably, there are multiple ground nail components 6, which are arranged at intervals along the length and width directions of the base 1.

[0058] It is understood that there are multiple ground nail components 6, at least two, preferably four or more. The multiple ground nail components 6 are arranged at intervals along the length direction of the base 1 to ensure fixation in the front-to-back direction, and the multiple ground nail components 6 are arranged at intervals along the width direction of the base 1 to ensure fixation in the left-to-right direction. That is, the multiple ground nail components 6 form a grid or matrix distribution at the bottom of the base 1 to provide all-round fixation support.

[0059] Each ground stake assembly 62 has its own ground stake driver 61, or multiple ground stake assemblies 62 are controlled by a central drive system. Each ground stake assembly 62 is rotatably connected to the corresponding ground stake driver 61. The ground stake driver 61 is connected to the base 1 and is located at the bottom of the base 1. It may be equipped with an independent control system to realize the independent operation of each ground stake assembly 62.

[0060] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" 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 invention and simplifying the description, and are not intended to 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 invention.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0062] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0063] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0064] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0065] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A pre-splitting blasting charging device for drilling holes in the roof of a coal mine, characterized in that, include: Base; A conveying assembly is disposed on the base. The conveying assembly includes a first conveying component and a second conveying component. The first conveying component includes a first conveying rod and a first gripper. A first end of the first conveying rod is rotatably connected to the base, and a second end of the first conveying rod is used to abut against the roof of the coal mine. The first gripper is connected to the first conveying rod and is movable along the extension direction of the first conveying rod. The second conveying component includes a second conveying rod and a second gripper. A first end of the second conveying rod is rotatably connected to the base, and a second end of the second conveying rod is used to abut against the coal mine roof. The second gripper is connected to the second conveying rod and is movable along the extension direction of the second conveying rod. The conveying assembly has a conveying state in which the first gripper is used to grip the conveying pipe for loading explosives, the second gripper is reciprocating along the extension direction of the second conveying rod, the first gripper releases the conveying pipe when the second gripper moves toward the coal mine roof, and the first gripper grips the conveying pipe when the second gripper moves toward the distance from the coal mine roof.

2. The coal mine roof drilling pre-splitting blasting charging device according to claim 1, characterized in that, The extension directions of the first conveyor rod and the second conveyor rod are generally consistent with the height direction of the coal mine, and the first conveyor rod is parallel to the second conveyor rod.

3. The coal mine roof drilling pre-splitting blasting charging device according to claim 2, characterized in that, The first conveying rod includes a first fixed section and a first telescopic section connected together. The first fixed section is connected to the base, and the first telescopic section is connected to the first fixed section. The first telescopic section is telescopic in the direction of the coal mine roof. The second conveying rod includes a second fixed section and a second telescopic section connected together. The second fixed section is connected to the base, and the second telescopic section is connected to the second fixed section. The second telescopic section is telescopic in the direction of the coal mine roof.

4. The coal mine roof drilling pre-splitting blasting charging device according to claim 3, characterized in that, The first conveying component further includes a pin component, which is connected to both the first telescopic section and the second telescopic section. The first telescopic section and the second telescopic section abut against the coal mine roof. At least a portion of the pin component is used to insert into the coal mine roof.

5. The coal mine roof drilling pre-splitting blasting charging device according to claim 1, characterized in that, The conveying assembly further includes a first driving member and a second driving member. The first end of the first driving member is rotatably connected to the base, and the second end of the first driving member is rotatably connected to the first conveying rod. The first driving member is used to drive the first conveying rod to rotate. The first end of the second driving member is rotatably connected to the base, and the second end of the second driving member is rotatably connected to the second conveying rod. The second driving member is used to drive the second conveying rod to rotate.

6. The coal mine roof drilling pre-splitting blasting charging device according to claim 5, characterized in that, It also includes a counterweight component, which is connected to the base and is arranged on both sides of the first conveyor rod in a direction orthogonal to the extension of the first conveyor rod.

7. The coal mine roof drilling pre-splitting blasting charging device according to claim 1, characterized in that, The conveying assembly further includes a first conveying drive and a second conveying drive. The first conveying drive is connected to the first conveying rod, and the first gripper is detachably connected to the first conveying drive. The first conveying drive is used to drive the first gripper to move along the extension direction of the first conveying rod. The second conveying drive is connected to the second conveying rod, and the second gripper is detachably connected to the second conveying drive. The second conveying drive is used to drive the second gripper to move along the extension direction of the second conveying rod.

8. The coal mine roof drilling pre-splitting blasting charging device according to claim 1, characterized in that, It also includes casters, which are connected to the base and located at the bottom of the base. There are multiple casters, which are arranged at intervals along the length and width of the base.

9. The coal mine roof drilling pre-splitting blasting charging device according to claim 1, characterized in that, It also includes a ground stake component, which includes a ground stake driver and a ground stake assembly. The ground stake driver is connected to the base and located at the bottom of the base, and the ground stake assembly is rotatably connected to the ground stake driver.

10. The coal mine roof drilling pre-splitting blasting charging device according to claim 9, characterized in that, The ground stake components are multiple, and the multiple ground stake components are arranged at intervals along the length and width directions of the base.

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