Rock-passing drilling machine for coal mine and coal mining device

Abstract

The utility model belongs to the technical field of coal mining in coal mines, and particularly relates to a rock drilling machine and a coal mining device for coal mines, which comprise a bottom frame and a connecting component arranged on the bottom frame, used for supporting a drilling component in an auxiliary manner, matched with external power and used for realizing up-and-down action, the connecting component comprises a guide rod connected to the top of the bottom frame, and a base connected to the outer side of the guide rod. The bottom of the buffer is connected with the base; the drilling part is connected with the connecting part, moves up and down along with the connecting part, and pre-drills a position needing to be drilled; the connecting end plate serves as a connecting middle end to be connected with an external power end, and drives the height position of the drilling part to change; the drilling device is suitable for connection of different external power ends, auxiliary buffering can be conducted on the whole drilling part through the buffer in the drilling process, and rigid damage is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining in coal mines, in particular to a rock drill and a coal mining device used in coal mines. Background Art

[0002] Coal mining machine is one of the main equipment of comprehensive mining equipment. Coal mining machine has evolved from coal cutting machine. Coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic. Coal mining machine is generally composed of cutting part, loading part, walking part (traction part), motor, operation control system and auxiliary devices. In the longwall coal mining working face, the working mechanism breaks the coal from the coal body (breaking coal) and loads it into the working face conveyor (loading coal). The coal mining machine walks (traction) at the set traction speed so that the coal breaking and loading processes can be carried out continuously. Before drilling, the coal mining machine needs to perform pre-drilling operations on the ground and rock formation positions. At this time, the rock drilling machine operation will be used;

[0003] The existing rock drill has a bad working environment. Broken rocks and slag splash during coal mining, which poses certain safety hazards (such as injuries from flying stones). Therefore, a rock drill and coal mining device for coal mines are proposed. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a rock drill and coal mining device for coal mines, which isolates the drill bit from the external environment by setting a baffle as a barrier, thereby effectively preventing stones from flying and injuring people during the drilling process.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A rock drill for coal mines, comprising:

[0008] The bottom frame, which serves as a supporting base, has a drill hole in the center of the bottom frame;

[0009] The connecting component is placed on the base frame to assist in supporting the drilling component and cooperate with external power to achieve up and down movement;

[0010] The drilling component is connected to the connecting component and moves up and down with the connecting component to pre-drill the position where drilling is required; the ventilation component includes a connecting rod connected to the bottom output end of the double-headed motor, and multiple groups of fan blades are connected to the outside of the connecting rod. The multiple groups of fan blades are arranged equidistantly in a spiral shape along the outside of the connecting rod with the axis of the connecting rod as the center of the circle.

[0011] As a preferred solution of a rock drill for coal mines described in the utility model, the connecting component includes a guide rod connected to the top of the base frame, the outer side of the guide rod is connected to the base, the top of the guide rod is movably connected to the guide seat, a buffer is arranged at the bottom of the guide seat, and the bottom of the buffer is connected to the base.

[0012] As a preferred solution of the rock drill for coal mines described in the utility model, a connecting end plate is connected to the outer side of the guide seat, and the connecting end plate is connected to the external power end.

[0013] As a preferred solution of a rock drill for coal mines described in the utility model, the drilling component includes a connecting frame connected to the outside of the guide seat, a double-headed motor is installed at the bottom of the connecting frame, the top output end of the double-headed motor extends to the top of the connecting frame, the top output end of the double-headed motor is connected to a driving pulley, a transmission belt is connected to the outside of the driving pulley, and the other end of the transmission belt is connected to a driven pulley.

[0014] As a preferred solution of the rock drill for coal mines described in the utility model, the driven pulley is rotatably connected to the guide seat, the bottom of the driven pulley is connected to the shaft rod, and the bottom end of the shaft rod is connected to the drill bit.

[0015] As a preferred solution of a rock drill for coal mines described in the utility model, the top of the base frame is provided with embedding grooves on the left and right sides corresponding to the drill hole, a baffle is connected to the embedding groove, the bottom of the baffle is connected to a socket that fits with the embedding groove, and anchor bolts are threadedly connected at the four end corners of the base frame.

[0016] A coal mining device for coal mines, comprising any one of the rock drilling rigs described above.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The connecting end plate is connected to the external power end as the connecting middle end, driving the height position of the drilling component to change for drilling operation. It is suitable for connecting different external power ends. During the drilling process, the setting of the buffer can assist in buffering the entire drilling component and effectively reduce rigid damage;

[0019] 2. During the drilling process, the connecting rod moves synchronously with the output shaft of the double-headed motor, driving the fan blades to rotate to generate wind force, assisting in the discharge of the heat generated by the double-headed motor, and ventilating and cooling the double-headed motor;

[0020] 3. The baffle acts as a barrier to isolate the drill bit from the external environment, effectively preventing stones from flying and injuring people during the drilling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

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

[0023] Figure 2 For this utility model Figure 1 Schematic diagram of some structures;

[0024] Figure 3 For this utility model Figure 2 Schematic diagram of some structures.

[0025] In the figure: 100 base frame, 110 drilling hole, 111 embedding groove, 120 baffle, 121 holder, 130 anchor bolt, 200 connecting component, 210 guide rod, 211 base, 220 guide seat, 221 connecting end plate, 230 buffer, 300 drilling component, 310 connecting frame, 320 double-headed motor, 321 driving pulley, 322 transmission belt, 330 driven pulley, 331 shaft rod, 332 drill bit, 400 ventilation component, 410 connecting rod, 420 fan blade. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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 proportion, 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.

[0029] 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.

[0030] The utility model provides a rock drill and coal mining device for coal mines. Figure 1-3 , including a base frame 100, a connecting component 200, a drilling component 300 and a ventilation component 400;

[0031] Please continue reading Figure 1-3 , a bottom frame 100 as a supporting base, a drilling hole 110 is opened at the center of the bottom frame 100;

[0032] Please continue reading Figure 1 and Figure 3 , the connecting component 200 is placed on the base frame 100, which assists in supporting the drilling component 300 and cooperates with the external power to realize the up and down movement;

[0033] The connecting component 200 includes a guide rod 210 threadedly connected to the top of the base frame 100, a base 211 is screwed on the outer side of the guide rod 210, the top of the guide rod 210 is movably connected to the guide seat 220, a buffer 230 is screwed on the bottom of the guide seat 220, the bottom of the buffer 230 is screwed to the base 211 through a positioning bolt, and a connecting end plate 221 is connected to the outer side of the guide seat 220, and the connecting end plate 221 is connected to the external power end;

[0034] The connecting end plate 221 is connected to the external power end, and the external power end applies force to drive the guide seat 220 to move along the outer side of the guide rod 210, thereby driving the height position of the drilling component 300 to change to perform drilling operations, and the setting of the buffer 230 assists in buffering the entire drilling component 300 during the drilling process, effectively reducing rigidity damage;

[0035] Please continue reading Figure 1-3 The drilling component 300 is connected to the connecting component 200, and follows the up and down movement of the connecting component 200 to pre-drill the position to be drilled;

[0036] The drilling component 300 includes a connecting frame 310 threadedly connected to the outside of the guide seat 220, a double-headed motor 320 is threadedly connected to the bottom of the connecting frame 310, the top output end of the double-headed motor 320 extends to the top of the connecting frame 310, the top output end of the double-headed motor 320 is connected to a driving pulley 321, the outside of the driving pulley 321 is connected to a transmission belt 322, the other end of the transmission belt 322 is connected to a driven pulley 330, the driven pulley 330 is rotatably connected to the guide seat 220, the bottom of the driven pulley 330 is connected to a shaft 331, and the bottom end of the shaft 331 is connected to a drill bit 332;

[0037] The double-headed motor 320 drives the linkage composed of the driving pulley 321, the transmission belt 322 and the driven pulley 330 to move, so that the drill bit 332 can perform the drilling action;

[0038] Please continue reading Figure 3 The ventilation component 400 includes a connecting rod 410 connected to the bottom output end of the double-headed motor 320, and multiple sets of fan blades 420 are connected to the outside of the connecting rod 410. The multiple sets of fan blades 420 are arranged in a spiral shape with equal distances along the outside of the connecting rod 410 with the axis of the connecting rod 410 as the center. During the drilling process, the connecting rod 410 moves synchronously with the output shaft of the double-headed motor 320, driving the fan blades 420 to rotate and generate wind force, and assist in discharging the heat generated by the double-headed motor 320, so as to ventilate and dissipate the heat of the double-headed motor 320;

[0039] Furthermore, grooves 111 are provided on the top of the base frame 100 corresponding to the left and right sides of the drill hole 110, and the grooves 111 are connected to the baffle plates 120. The bottom of the baffle plates 120 is connected to a socket 121 that is snap-fitted with the grooves 111, and anchor bolts 130 are threadedly connected at the four end corners of the base frame 100. The baffle plates 120 serve as barrier plates to prevent stones from splashing and injuring people during the drilling process, and the anchor bolts 130 are used to fix the position of the base frame 100 to prevent the base frame 100 from shifting due to force.

[0040] Working principle: When the utility model is in use, the connecting end plate 221 is connected to the external power end, and the external power end applies force to drive the guide seat 220 to move along the outside of the guide rod 210, thereby driving the height position of the drilling component 300 to change for drilling operations. It is adapted to different external power end connections, and the setting of the buffer 230 assists in buffering the entire drilling component 300 during the drilling process, effectively reducing rigid damage. At the same time, during the drilling process, the connecting rod 410 moves synchronously with the output shaft of the double-headed motor 320, driving the fan blades 420 to rotate to generate wind force, assist in dissipating the heat generated by the double-headed motor 320, and ventilate and dissipate the heat of the double-headed motor 320.

[0041] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A rock drill for coal mines, characterized in that: include: A bottom frame (100) serving as a supporting base, wherein a drill hole (110) is provided at a central position of the bottom frame (100); The connecting component (200) is placed on the base frame (100), and provides auxiliary support for the drilling component (300), and cooperates with an external power to achieve up and down movement; The drilling component (300) is connected to the connecting component (200) and moves up and down following the connecting component (200) to pre-drill the position to be drilled; The ventilation component (400) comprises a connecting rod (410) connected to the bottom output end of the double-headed motor (320), and multiple groups of fan blades (420) are connected to the outer side of the connecting rod (410). The multiple groups of fan blades (420) are arranged in a spiral shape and at equal distances along the outer side of the connecting rod (410) with the axis of the connecting rod (410) as the center of the circle.

2. A rock drill for coal mines according to claim 1, characterized in that: The connecting component (200) comprises a guide rod (210) connected to the top of the base frame (100), the outer side of the guide rod (210) is connected to the base (211), the top of the guide rod (210) is movably connected to the guide seat (220), a buffer (230) is arranged at the bottom of the guide seat (220), and the bottom of the buffer (230) is connected to the base (211).

3. A rock drill for coal mines according to claim 2, characterized in that: The outer side of the guide seat (220) is connected to a connecting end plate (221), and the connecting end plate (221) is connected to an external power end.

4. A rock drill for coal mines according to claim 3, characterized in that: The drilling component (300) comprises a connecting frame (310) connected to the outside of the guide seat (220), a double-headed motor (320) is installed at the bottom of the connecting frame (310), the top output end of the double-headed motor (320) extends to the top of the connecting frame (310), the top output end of the double-headed motor (320) is connected to a driving pulley (321), the outside of the driving pulley (321) is connected to a transmission belt (322), and the other end of the transmission belt (322) is connected to a driven pulley (330).

5. A rock drill for coal mines according to claim 4, characterized in that: The driven pulley (330) is rotatably connected to the guide seat (220), the bottom of the driven pulley (330) is connected to the shaft (331), and the bottom end of the shaft (331) is connected to the drill bit (332).

6. A rock drill for coal mines according to claim 5, characterized in that: The top of the base frame (100) is provided with embedding grooves (111) on the left and right sides corresponding to the drill hole (110), the embedding grooves (111) are connected to the baffle plate (120), the bottom of the baffle plate (120) is connected to a clamping seat (121) that is clamped and matched with the embedding groove (111), and the four end corners of the base frame (100) are all threadedly connected to anchor bolts (130).

7. A coal mining device for a coal mine, characterized in that: A rock drilling rig comprising any one of claims 1-6.

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