Rock drilling mechanism with a guide structure

Abstract

The application discloses a rock drilling mechanism with a guide structure, which comprises a supporting mechanism and a drilling assembly arranged inside the supporting mechanism; the supporting mechanism comprises a chassis and a top plate on the top of the chassis, and a guide mechanism is arranged on the chassis; the guide mechanism comprises a guide assembly arranged directly below the drilling assembly and sleeved outside the output end of the drilling assembly; a connecting assembly is composed of a mounting piece and a supporting piece, one end of which is detachably fixed with the guide assembly and the other end is detachably fixed with the top end surface of the chassis; through the designed guide mechanism, the position of the drill rod can be limited, corrected and guided, so that the drill rod can rotate around its own axis in rotation, the problem that the bottom of the drill rod swings greatly and affects the processing efficiency and quality is avoided, and when the rotation of the drill rod is not deviated, the risk of breakage of the drill rod is also reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of rock drilling, and particularly relates to a rock drilling mechanism with a guiding structure. BACKGROUND

[0002] In the process of continuous drilling for simultaneously breaking rock and removing spoil, a special drilling mechanism is used, which is mainly used for the excavation of railway, highway, water conservancy, military and municipal underground engineering, and mine long tunnel, culvert, rock chamber and roadway. It is also recorded in the rock drilling device with a buffer mechanism disclosed in the publication No. CN114673459B.

[0003] In the existing rock drilling, the depth of the drill rod is adjusted according to the depth of the rock during rock drilling processing. However, in high-speed rotation of the drill rod, the bottom of the drill rod will shake due to the obstruction of external rock and the long distance from the motor, so that the drill rod cannot always rotate around its own axis, thereby affecting the quality and efficiency of drilling processing. Since the existing rock drilling mechanism does not have any guiding structure, the existing processing method can only control the depth of each drilling to avoid the above problems, which greatly affects the work efficiency. Therefore, there is a great limitation in actual use, and there is room for improvement. SUMMARY

[0004] The purpose of the present application is to provide a rock drilling mechanism with a guiding structure to solve the problem that the drill rod cannot always rotate around its own axis due to the obstruction of external rock and the long distance from the motor during high-speed rotation, thereby affecting the quality and efficiency of drilling processing.

[0005] To achieve the above purpose, the present application provides the following technical solution: a rock drilling mechanism with a guiding structure, comprising a supporting mechanism and a drilling assembly arranged inside the supporting mechanism; the supporting mechanism comprises a chassis and a top plate on the top of the chassis, and a guiding mechanism is arranged on the chassis, which comprises:

[0006] A guiding assembly is arranged directly below the drilling assembly and is sleeved outside the output end of the drilling assembly.

[0007] A connecting assembly is composed of a mounting member and a supporting member, wherein one end of the mounting member is detachably fixed with the guiding assembly, and the other end is detachably fixed with the top end surface of the chassis; the supporting member is arranged at the bottom of the supporting member.

[0008] As one preferred technical scheme in the present application, the guide assembly comprises symmetrical limiting sleeves, one end of the limiting sleeve is fixed to the connecting assembly by bolts, and the center of the limiting sleeve is on the same vertical line with the center of the output end of the drilling assembly.

[0009] As one preferred technical scheme in the present application, the mounting piece comprises a connecting frame, the top of one end of the connecting frame is formed with an integral connecting strip, the connecting strip and the one end of the connecting frame are fixed to the outer side of the limiting sleeve by bolts, and the connecting strip is inclined; a strip-shaped hole is formed in the end face of the other end of the connecting frame, a connecting stud is fixed to the top end face of the base frame and penetrates the inner side of the strip-shaped hole, a limiting nut for abutting against the connecting frame is arranged on the outer side of the connecting stud; the supporting piece comprises a supporting frame fixed to the bottom end face of the connecting frame.

[0010] As one preferred technical scheme in the present application, the bottom end face of the supporting frame is on the same plane with the bottom end face of the base frame, and the diameter of the limiting nut is greater than the width of the strip-shaped hole.

[0011] As one preferred technical scheme in the present application, the supporting mechanism further comprises a traveling rod arranged between the base frame and the top plate, a screw rod further penetrates the top of the top plate, a hand wheel is arranged on the top of the screw rod, the screw rod is threadedly connected with the drilling assembly.

[0012] As one preferred technical scheme in the present application, the outer side of the screw rod is provided with a protection assembly, the protection assembly comprises a protection sleeve arranged on the outer side of the screw rod, the protection sleeve is divided into two parts, one part is arranged between the top end of the drilling assembly and the top plate, and the other part is arranged between the bottom end of the drilling assembly and the base frame, the surface of the protection sleeve is formed with corrugations, an inner metal ring is arranged on the inner side of each corrugation, the spacing between every two adjacent inner metal rings is equal, and the two ends of the protection sleeve are provided with integral connecting sleeves, the connecting sleeves are bent towards the outer side of the protection sleeve and are formed with cavities, a magnetic ring is arranged on the inner side of the cavity, and the protection sleeve is magnetically connected with the top end of the drilling assembly and the top plate and the bottom end of the drilling assembly and the base frame through the magnetic rings at the two ends.

[0013] As one preferred technical scheme in the present application, the drilling assembly comprises mounting frames movably arranged on the traveling rod at two ends, a coupling is arranged on the front surface of the mounting frame, a drill rod is arranged on the bottom end of the coupling, an oil engine is arranged on the top end face of the mounting frame, and the oil engine is in transmission connection with the coupling.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] Through the designed guide mechanism, the position of the drill rod can be limited, corrected and guided, so that the drill rod always rotates around its own axis in rotation, avoids the problem that the bottom of the drill rod swings greatly and affects the processing efficiency and processing quality, and when the drill rod can ensure rotation without deviation, the risk of its fracture is also reduced, the guide mechanism improves the shortcomings in the prior art, and the guide mechanism can be adjusted to limit different diameter drill rods, so that the overall flexibility is high, and the working efficiency and use safety of the drilling mechanism are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the present application;

[0017] Figure 2 It is an installation schematic view of the guide mechanism of the present application;

[0018] Figure 3 It is a sectional view of the protection assembly of the present application;

[0019] Figure 4 It is a top view of the magnetic ring of the present application.

[0020] In the figure: 100, base frame; 100a, connecting stud; 100b, limiting nut; 101, traveling rod; 102, top plate; 103, hand wheel; 104, screw rod; 105, protective sleeve; 105a, inner metal ring; 105b, connecting sleeve; 105c, magnetic ring; 200, mounting frame; 201, shaft coupling; 201a, drill rod; 202, oil engine; 300, connecting frame; 300a, connecting strip; 300b, strip-shaped hole; 301, limiting sleeve; 302, support frame. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1

[0022] Please refer to Figure 1For the first embodiment of the application, the embodiment provides a guide mechanism capable of limiting the position of the drill rod 201a, correcting deviation and guiding, ensuring that the drill rod 201a always rotates around its own axis during rotation, avoiding the problem that the bottom of the drill rod 201a swings greatly and affects the processing efficiency and processing quality, and also reducing the risk of its own fracture when the drill rod 201a can ensure that the rotation does not deviate. The deficiencies in the prior art are improved by the guide mechanism, and the guide mechanism can be adjusted to limit drill rods 201a of different diameters, so that the overall flexibility is higher, and the working efficiency and use safety of the drilling mechanism are improved.

[0023] Specifically, a rock drilling mechanism with a guide structure comprises a supporting mechanism and a drilling assembly arranged inside the supporting mechanism; the supporting mechanism comprises a chassis 100 and a top plate 102 on the top of the chassis 100, and the chassis 100 is provided with a guide mechanism for guiding the drill rod 201a, and the guide mechanism comprises:

[0024] A guide assembly is arranged directly below the drilling assembly to facilitate the insertion of the drill rod 201a and is sleeved outside the output end of the drilling assembly.

[0025] A connecting assembly is composed of a mounting member and a supporting member, one end of which is detachably fixed with the guide assembly to facilitate overall disassembly, and the other end is detachably fixed with the top end surface of the chassis 100; the supporting member is arranged at the bottom of the supporting member.

[0026] In this embodiment, the drilling assembly comprises a mounting bracket 200 movably sleeved on the advancing rod 101, a coupling 201 is mounted on the front surface of the mounting bracket 200, the bottom end of the coupling 201 is provided with a drill rod 201a, and the drill rod 201a is driven to rotate, and a fuel engine 202 is mounted on the top end surface of the mounting bracket 200 to provide power. The fuel engine 202 is in transmission connection with the coupling 201. Embodiment 2

[0027] Please refer to Figure 1 and Figure 2 For the second embodiment of the application, the embodiment provides a connecting strip 300a, a limiting sleeve 301 and a supporting bracket 302, which can realize the guiding, limiting and deviation correction of the drill rod 201a, and ensure that the normal drilling process is not affected in the later period.

[0028] Specifically, a rock drilling mechanism with a guide structure comprises a supporting mechanism and a drilling assembly arranged inside the supporting mechanism, which is a component for drilling rock; the supporting mechanism comprises a chassis 100 and a top plate 102 on the top of the chassis 100, and the chassis 100 is provided with a guide mechanism, which comprises:

[0029] A guide assembly is arranged directly below the drilling assembly and is sleeved outside the output end of the drilling assembly.

[0030] A connecting assembly is composed of a mounting member and a supporting member, wherein one end of the mounting member is detachably fixed with the guide assembly, and the other end is detachably fixed with the top end surface of the base frame 100, facilitating disassembly and assembly; the supporting member is arranged at the bottom of the supporting member.

[0031] In this embodiment, the guide assembly includes symmetrical limiting sleeves 301, and in the early installation, the drill rod 201a should be placed inside the limiting sleeve 301, and the two are in a state of adhesion or have a slight gap, the limiting sleeve 301 is detachably fixed with one end of the connecting assembly through bolts, and the center of the limiting sleeve 301 is on the same vertical line as the center of the output end of the drilling assembly.

[0032] In this embodiment, the mounting member includes a connecting frame 300, one end of the connecting frame 300 is formed with an integral connecting strip 300a at the top, the connecting strip 300a and the one end of the connecting frame 300 are both fixed with the outside of the limiting sleeve 301 through bolts, achieving stable installation of the limiting sleeve 301, and since the connecting strip 300a is inclined, it can provide different lateral connecting forces; the other end of the connecting frame 300 is provided with a strip-shaped hole 300b, and the top end surface of the base frame 100 is fixed with a connecting stud 100a penetrating the inside of the strip-shaped hole 300b, a limiting nut 100b for abutting against the connecting frame 300 is sleeved outside the connecting stud 100a, and in the installation of the connecting frame 300, the connecting stud 100a penetrates the strip-shaped hole 300b, and the limiting nut 100b is locked, achieving fixation of the end of the connecting frame 300, and in the later processing, the connecting frame 300 will not displace; the supporting member includes a supporting frame 302 fixed at the bottom end surface of the connecting frame 300, and after installation is completed, the supporting frame 302 can achieve support and limiting with the ground, the bottom end surface of the supporting frame 302 is on the same plane as the bottom end surface of the base frame 100, and the diameter of the limiting nut 100b is greater than the width of the strip-shaped hole 300b, so that the connecting frame 300 can be fixed and limited.

[0033] In this embodiment, the supporting mechanism further includes a traveling rod 101 arranged between the base frame 100 and the top plate 102, a screw rod 104 is further penetrated through the top of the top plate 102, a hand wheel 103 is installed at the top of the screw rod 104, the hand wheel 103 is on the top of the top plate 102, the screw rod 104 is threadedly connected with the drilling assembly, and in the height adjustment of the drill rod 201a, the hand wheel 103 is rotated, the screw rod 104 is driven by the hand wheel 103, the mounting frame 200 is driven up and down by the screw rod 104, and thus the height of the drill rod 201a is adjusted.

[0034] In the embodiment, the drilling assembly comprises a mounting frame 200 movably sleeved on the traveling rod 101, a coupling 201 is mounted on the front surface of the mounting frame 200, the bottom end of the coupling 201 is provided with a drill rod 201a for drilling the rock, and a gasoline engine 202 is mounted on the top end surface of the mounting frame 200 and is in transmission connection with the coupling 201. Embodiment 3

[0035] Please refer to Figure 3 and Figure 4 For the third embodiment of the present application, the protective sleeve 105 is provided to protect the screw rod 104 from dust, stone chips and other impurities.

[0036] Specifically, the outer part of the screw rod 104 is provided with a protective assembly, which comprises a protective sleeve 105 sleeved on the outer part of the screw rod 104, the protective sleeve 105 is divided into two parts, one part is between the top end of the drilling assembly and the top plate 102, and the other part is between the bottom end of the drilling assembly and the base frame 100, the surface of the protective sleeve 105 is formed with corrugated shape, and an inner metal ring 105a is mounted on the inner side of each corrugated shape, the spacing between every two adjacent inner metal rings 105a is equal, when the mounting frame 200 moves on the traveling rod 101, the top part of the mounting frame 200 will extrude the protective sleeve 105 at this position, so that the protective sleeve 105 is folded at equal intervals through the metal ring 105a, and the protective sleeve 105 at the bottom part of the mounting frame 200 will be stretched, so that the screw rod 104 is always on the inner side of the protective sleeve 105, which can avoid the interference of external dust on the screw rod 104 during the whole processing and later idling, the two ends of the protective sleeve 105 are further provided with an integrated connecting sleeve 105b, the connecting sleeve 105b is curved towards the outside of the protective sleeve 105 and is formed with a cavity, a magnetic ring 105c is arranged on the inner side of the cavity, and the protective sleeve 105 is magnetically connected with the top end of the drilling assembly and the top plate 102 and the bottom end of the drilling assembly and the base frame 100 through the magnetic rings 105c at the two ends, so as to quickly realize the installation of the protective sleeve 105.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rock drilling mechanism with a guide structure, comprising a support mechanism and a drilling assembly arranged inside the support mechanism; the support mechanism comprises a chassis (100) and a top plate (102) on top of the chassis (100), characterized in that: The chassis (100) is provided with a guide mechanism, which comprises: A guide assembly is arranged directly below the drilling assembly and is sleeved on the outside of the output end of the drilling assembly; A connecting assembly is composed of a mounting member and a supporting member, one end of which is detachably fixed with the guide assembly, and the other end is detachably fixed with the top end surface of the chassis (100); the supporting member is arranged at the bottom of the supporting member; The guide assembly comprises symmetrical limiting sleeves (301), one end of which is detachably fixed with the connecting assembly by bolts, and the center of the limiting sleeve (301) is on the same vertical line with the center of the output end of the drilling assembly; The mounting member comprises a connecting frame (300), one end of which is provided with an integral connecting strip (300a) at the top, and the connecting strip (300a) and one end of the connecting frame (300) are fixed with the outside of the limiting sleeve (301) by bolts, and the connecting strip (300a) is inclined; the other end of the connecting frame (300) is provided with a strip-shaped hole (300b), and the top end surface of the chassis (100) is fixed with a connecting stud (100a) penetrating the inside of the strip-shaped hole (300b), and a limiting nut (100b) for abutting against the connecting frame (300) is sleeved on the outside of the connecting stud (100a); the supporting member comprises a supporting frame (302) fixed on the bottom end surface of the connecting frame (300); The supporting mechanism further comprises a traveling rod (101) arranged between the chassis (100) and the top plate (102) at both ends, and a screw rod (104) penetrating the top of the top plate (102), and a hand wheel (103) is installed on the top of the screw rod (104), which is on the top of the top plate (102), and the screw rod (104) is threadedly connected with the drilling assembly; The outside of the screw rod (104) is provided with a protection assembly, which comprises a protection sleeve (105) sleeved on the outside of the screw rod (104), the protection sleeve (105) is divided into two parts, one part is between the top end of the drilling assembly and the top plate (102), and the other part is between the bottom end of the drilling assembly and the chassis (100), the surface of the protection sleeve (105) is formed with corrugated shape, and an inner metal ring (105a) is installed on the inside of each corrugated shape, the spacing between every two adjacent inner metal rings (105a) is equal, and the both ends of the protection sleeve (105) are provided with an integral connecting sleeve (105b), the connecting sleeve (105b) is curved towards the outside of the protection sleeve (105) and forms a cavity, and a magnetic ring (105c) is arranged in the cavity, and the protection sleeve (105) is magnetically connected with the top end of the drilling assembly and the top plate (102), and the bottom end of the drilling assembly and the chassis (100) through the magnetic rings (105c) at both ends.

2. A rock drilling mechanism with a guide structure according to claim 1, characterized in that: The bottom end surface of the supporting frame (302) is on the same plane with the bottom end surface of the chassis (100), and the diameter of the limiting nut (100b) is greater than the width of the strip-shaped hole (300b).

3. The rock drilling mechanism with a guiding structure according to claim 1, characterized in that: The drilling assembly comprises a mounting frame (200) movably sleeved on a traveling rod (101), a coupling (201) is mounted on the front surface of the mounting frame (200), the bottom end of the coupling (201) is provided with a drill rod (201a), a fuel engine (202) is mounted on the top end surface of the mounting frame (200), and the fuel engine (202) is in transmission connection with the coupling (201).

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