Three-shaft rotary cutting working arm of rock drilling vehicle for tunnel blasting vertical hole distribution

Abstract

The invention belongs to the technical field of tunnel blasting, and discloses a three-axis rotary cutting working arm of a rock drilling vehicle for tunnel blasting vertical hole arrangement, which comprises a mounting seat and also comprises a connecting frame. According to the technical scheme, by arranging a sensing assembly and a fixing assembly, when the output end of a rock drilling machine device rotates to perform vertical hole arrangement on a tunnel, the output end of the rock drilling machine device rotates to perform vertical hole arrangement on the tunnel; due to the fact that a fixed assembly at the output end of the rock drilling machine device is abraded during long-term rotation, a movable column is squeezed, one end of the movable column makes contact with a pressure sensor, the pressure sensor obtains pressure data and sends the pressure data to a control end, and the rock drilling machine device can be controlled to run and retract; the fixing effect on the fixing assembly at the end of the rock drilling machine device is relieved by starting the unlocking assembly, finally, the end of the rock drilling machine device can be moved to be aligned with the intact fixing assembly on the inner side of the sliding round sleeve, the intact fixing assembly is clamped to the end of the rock drilling machine device, the purpose of rapid replacement of the fixing assembly is achieved, and operation is convenient and rapid.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of tunnel blasting, and particularly relates to a three-axis rotary cutting working arm of a rock drill rig for vertical hole arrangement in tunnel blasting. BACKGROUND

[0002] In the vertical hole arrangement operation of tunnel blasting, the three-arm rock drill rig can realize efficient and accurate vertical hole arrangement through multi-dimensional collaborative control, automatic positioning and dynamic adjustment technology. The three-arm rock drill rig is equipped with three independent drilling arms, i.e., three-axis rotary cutting working arms, each of which can realize three-dimensional motion of horizontal rotation, vertical pitching and radial expansion.

[0003] When the three-axis rotary cutting working arm of the existing rock drill rig is working, the rock drill machine at the front end of the working arm is generally used to arrange vertical holes in the tunnel. However, the drill bit at the output end of the rock drill machine will be worn out after long-term operation, and thus the operation needs to be stopped in the first place, and the drill bit needs to be disassembled and replaced for maintenance. Since the drill bit is threadedly connected to the end of the rock drill machine, it needs to be moved back to the original position before being manually rotated down for replacement by the operator. The operation is complicated, and thus improvement is needed. SUMMARY

[0004] To solve the problems in the background art, the present application provides a three-axis rotary cutting working arm of a rock drill rig for vertical hole arrangement in tunnel blasting, which has the advantage of facilitating timely and rapid replacement of the drill bit.

[0005] To achieve the above object, the present application provides the following technical scheme: a three-axis rotary cutting working arm of a rock drill rig for vertical hole arrangement in tunnel blasting, comprising a mounting seat, further comprising: a connecting frame fixedly installed on one side of the top of the mounting seat, one side of the connecting frame being hingedly connected with a hydraulic working arm; a support frame provided at the output end of the hydraulic working arm, the top of the support frame being provided with a rock drill machine device; a sensing assembly provided in the inner cavity of the end of the rock drill machine device; a switching device movably installed on one side of the support frame; wherein the switching device comprises a fixed sleeve fixedly installed on one side of the support frame, the end of the rock drill machine device and the inner side of the fixed sleeve are movably installed with a fixing assembly, the inner side of the fixed sleeve is movably installed with a sliding round sleeve, the inside of the support frame is fixedly installed with a first air cylinder on one side of the sliding round sleeve, the inner cavity of the first air cylinder is movably installed with a pneumatic piston rod, the end of the pneumatic piston rod is fixedly connected with one side of the sliding round sleeve, and the inner cavity of the end of the rock drill machine device is provided with an unlocking assembly on one side of the sensing assembly.

[0006] Preferably, the sensing assembly comprises a movable column, a first spring and a pressure sensor. The movable column is movably sleeved in the inner cavity of the end of the rock drilling rig device, one end of the movable column is elastically connected with the inner wall of the rock drilling rig device through the first spring, the pressure sensor is fixedly installed in the rock drilling rig device, and the pressure sensor is located on one side of the movable column.

[0007] Preferably, the outer end of the movable column is made of high manganese steel.

[0008] Preferably, the fixed assembly comprises a rock drilling bit, a fixed block, a first limiting rod and a second spring. The rock drilling bit is provided in multiple groups and is movably installed between the outer side of the end of the rock drilling rig device and the inner side of the fixed sleeve and the sliding sleeve, the fixed block is slidably connected to the inner side of the rock drilling bit, the first limiting rod is fixedly installed in the rock drilling bit and located on the outer side of the fixed block, the surface of the first limiting rod is slidably connected with the inner wall of the outer end of the fixed block, and the outer end of the fixed block is elastically connected with the inner wall of the rock drilling bit through the second spring.

[0009] Preferably, the inner wall of the second spring is slidably connected with the surface of the first limiting rod.

[0010] Preferably, the unlocking assembly comprises a pushing block, a movable frame, a hydraulic cylinder and a linkage arm. The pushing block is movably installed in the rock drilling rig device and located on the inner side of the fixed block, the movable frame is movably installed in the rock drilling rig device and located on one side of the inner end of the pushing block, the outer side of one end of the movable frame is fixedly connected with one side of the pushing block, the hydraulic cylinder is fixedly installed in the rock drilling rig device and located on one end of the inner side of the movable frame, and the linkage arm is hingedly connected between the outer side of the end of the hydraulic cylinder and the inner side of the movable frame.

[0011] Preferably, one side of the support frame is fixedly installed with a shielding assembly located on the outer side of the fixed sleeve, and the shielding assembly comprises a second limiting rod, a sliding block, a shielding shell and a third spring. The second limiting rod is fixedly installed in the inner side of the support frame and located on the outer side of the fixed sleeve, the sliding block is slidably connected to the surface of the second limiting rod, the shielding shell is fixedly installed on one side of the sliding block, and the outer end of the sliding block is elastically connected with the inner wall of the support frame through the third spring.

[0012] Preferably, the inner end of one side of the shielding shell is designed in a beveled manner.

[0013] Preferably, the surface of the support frame is provided with a pneumatic assembly located on the outer end of one side of the second limiting rod, and the pneumatic assembly comprises a second air cylinder, a fixed piston rod, a return spring and an air pipe. The second air cylinder is fixedly installed on the surface of the support frame and located at the outer end of the second limiting rod, the fixed piston rod is movably installed in the inner cavity of the second air cylinder, one end of the fixed piston rod is elastically connected with the inner wall of the second air cylinder through the return spring, and one end of the second air cylinder is fixedly communicated with one end of the first air cylinder through the air pipe.

[0014] Preferably, the end of the fixed piston rod is matched with the size of the inner groove on one side of the sliding block.

[0015] Compared with the prior art, the present application has the following advantages: The technical scheme has the advantages that when the output end of the rock drill device rotates to vertically arrange holes on the tunnel, the fixed assembly of the output end of the rock drill device is worn due to long-term rotation, the movable column is pressed, one end of the movable column is in contact with the pressure sensor, the pressure sensor feels the pressure, the pressure sensor obtains pressure data for the control end, the operation of the rock drill device can be controlled to retract, the fixing effect of the fixed assembly at the end of the rock drill device is released through the startable unlocking assembly, the end of the rock drill device is finally moved to the fixed assembly inside the sliding circular sleeve, the fixed assembly is clamped at the end of the rock drill device, and the fixed assembly is quickly replaced, which is convenient and fast.

[0016] The present application has the advantages that the two sliding blocks and the shielding shell are pushed to move towards each other through the elastic force of the third spring, the two shielding shells shield and seal the inside of the fixed sleeve, the fixed assembly in the fixed sleeve is shielded and protected when the rock drill device extends and operates, the fixed assembly inside the fixed sleeve is prevented from being corroded due to humidity or dust on the inner wall of the tunnel, when the end of the rock drill device is retracted, the slope at the inner end of the shielding shell is pressed, the shielding shell moves away, and the end of the rock drill device is smoothly retracted into the fixed assembly in the fixed sleeve.

[0017] The present application has the advantages that when the end of the rock drill device is retracted, the sliding circular sleeve is pushed to move to one side, the pneumatic piston rod is pushed to retract into the first air cylinder, the gas in the inner cavity of the first air cylinder is pushed to enter the inner cavity of the second air cylinder through the air pipe, and the fixed piston rod is pushed to move to one side, so that the shielding shell and the sliding block move away, the end of the fixed piston rod is inserted into the inner groove on one side of the sliding block, the fixed assembly is fixed after the sliding block and the shielding shell move away, and the rock drill bit is smoothly switched during the subsequent operation of the rock drill device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The figure is a structural schematic diagram of the present application. Figure 2 A partial structure schematic diagram of the support frame of the present application; Figure 3 A cross-sectional structure schematic diagram of the switching device of the present application; Figure 4 A partial structure schematic diagram of the present application; Figure 3 A partial enlarged structure schematic diagram at A in the present application; Figure 5 A partial structure schematic diagram of the present application; Figure 3 A partial enlarged structure schematic diagram at B in the present application; Figure 6 A partial structure schematic diagram of the present application; Figure 3 A partial enlarged structure schematic diagram at C in the present application; Figure 7 A structure schematic diagram of the rock drill bit of the present application; Figure 8 A partial structure schematic diagram of the present application; Figure 7 A partial enlarged structure schematic diagram at D in the present application.

[0019] In the figure: 1, mounting seat; 2, connecting frame; 3, hydraulic working arm; 4, support frame; 5, rock drilling rig device; 6, sensing assembly; 601, movable column; 602, first spring; 603, pressure sensor; 7, switching device; 701, fixed sleeve; 702, fixed assembly; 7021, rock drill bit; 7022, fixed block; 7023, first limiting rod; 7024, second spring; 703, sliding round sleeve; 704, first air cylinder; 705, pneumatic piston rod; 8, unlocking assembly; 801, push block; 802, movable frame; 803, hydraulic cylinder; 804, linkage arm; 9, shielding assembly; 901, second limiting rod; 902, sliding block; 903, shielding shell; 904, third spring; 10, pneumatic assembly; 101, second air cylinder; 102, fixed piston rod; 103, return spring; 104, air pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0021] As Figures 1 to 8As shown, this invention provides a three-axis rotary cutting boom for a vertical drilling machine used in tunnel blasting, including a mounting base 1, and further including: a connecting frame 2, which is fixedly installed on one side of the top of the mounting base 1, and a hydraulic working arm 3 is hinged to one side of the connecting frame 2; a support frame 4, which is disposed at the output end of the hydraulic working arm 3, and a rock drilling device 5 is disposed on the top of the support frame 4; a sensing component 6, which is disposed in the inner cavity of the end of the rock drilling device 5; and a switching device 7, which is movably installed on one side of the support frame 4; wherein, the switching device 7 includes a fixed mounting bracket... The rock drilling rig device 5 is equipped with a fixed sleeve 701 located on one side of the support frame 4. The end of the rock drilling rig device 5 and the inner side of the fixed sleeve 701 are movably mounted with a fixed component 702. The inner side of the fixed sleeve 701 is movably mounted with a sliding sleeve 703. The support frame 4 is fixedly mounted with a first air cylinder 704 located on one side of the sliding sleeve 703. The inner cavity of the first air cylinder 704 is movably mounted with a pneumatic piston rod 705. The end of the pneumatic piston rod 705 is fixedly connected to one side of the sliding sleeve 703. The inner cavity at the end of the rock drilling rig device 5 is provided with an unlocking component 8 located on one side of the sensing component 6.

[0022] When the fixed component 702 at the end of the rock drilling rig 5 wears out due to rotation, the sensing component 6 will sense a constant pressure over a long period of time and transmit the pressure data to the control terminal to control the retraction of the rock drilling rig 5 and activate the unlocking component 8 to release the fixing effect on the fixed component 702 at the end of the rock drilling rig 5. As the rock drilling rig 5 continues to retract, the worn fixed component 702 at the end of the rock drilling rig 5 will be pushed off by the fixed component 702 in the fixing sleeve 701 until the end of the rock drilling rig 5 is engaged with the intact fixed component 702 in the fixing sleeve 701, thus achieving the purpose of switching the fixed component 702.

[0023] like Figure 4 As shown, the sensing component 6 includes a movable column 601, a first spring 602, and a pressure sensor 603; The movable column 601 is movably sleeved in the inner cavity of the end of the rock drilling rig device 5. One end of the movable column 601 is elastically connected to the inner wall of the rock drilling rig device 5 through the first spring 602. The pressure sensor 603 is fixedly installed inside the rock drilling rig device 5 and is located on one side of the movable column 601.

[0024] The above solution involves a pressure sensor 603. When the output end of the rock drilling rig 5 extends, the fixed component 702 performs rock drilling and hole opening inside the tunnel. When the fixed component 702 wears down, the movable column 601 is squeezed and pushed to one side to contact the pressure sensor 603. At this time, the pressure sensor 603 senses the constant pressure data over a long period of time and transmits it to the control terminal, thus reminding the operator that the fixed component 702 is worn and needs to be replaced.

[0025] Here to note: fixed components 702 rotation chisel ring groove, chisel drill device 5 axial force will be squeezed in the middle of the stone, and this will make the movable column 601 in the fixed component 702 non-wear case is squeezed and pushed and pressure sensor 603 to remove the sensing pressure, but Figure 2 The round hole in the circular hole is directly discharged by the external air pump, so the pressure sensed is instantaneous, which is different from the constant pressure felt by long-term rotation after wear and tear. Whether it is worn can be distinguished.

[0026] As Figure 4 The outer end of the movable column 601 is made of high manganese steel.

[0027] The above scheme is adopted: because high manganese steel is rapidly hardened on the surface under strong impact or pressure, and the inside remains tough, even if the surface is worn, the newly exposed surface layer can continue to harden, thereby improving the service life of the movable column 601.

[0028] As Figure 4 The fixed component 702 includes a rock drill bit 7021, a fixed block 7022, a first limiting rod 7023 and a second spring 7024. The rock drill bit 7021 is provided with a plurality of groups, which are movably installed between the outer side of the end of the rock drill device 5 and the inner side of the fixed sleeve 701 and the sliding circular sleeve 703, the fixed block 7022 is slidably connected to the inner side of the rock drill bit 7021, the first limiting rod 7023 is fixedly installed inside the rock drill bit 7021 and located outside the fixed block 7022, the surface of the first limiting rod 7023 is slidably connected with the inner wall of the outer end of the fixed block 7022, and the outer end of the fixed block 7022 is elastically connected with the inner wall of the rock drill bit 7021 through the second spring 7024.

[0029] The above scheme is adopted: by providing the second spring 7024, the two fixed blocks 7022 can be pushed to move in opposite directions by the elastic force of the second spring 7024, so as to make the inner end of the fixed block 7022 clamped at the end of the rock drill device 5, and realize the effect of smoothly clamping and fixing the fixed block 7022 at the end of the rock drill device 5.

[0030] As Figure 4 The inner wall of the second spring 7024 is slidably connected with the surface of the first limiting rod 7023.

[0031] The above scheme is adopted: through the design of the first limiting rod 7023, the fixed block 7022 can be limited in movement, and the second spring 7024 can be simultaneously limited in extension and contraction.

[0032] As Figure 4As shown, the unlocking assembly 8 comprises a pushing block 801, a movable frame 802, a hydraulic cylinder 803 and a linkage arm 804. The pushing block 801 is movably arranged in the interior of the rock drill device 5 and is located at the inner side of the fixed block 7022. The movable frame 802 is movably arranged in the interior of the rock drill device 5 and is located at one side of the inner end of the pushing block 801. The outer side of one end of the movable frame 802 is fixedly connected with one side of the pushing block 801. The hydraulic cylinder 803 is fixedly arranged in the interior of the rock drill device 5 and is located at one end of the inner side of the movable frame 802. The linkage arm 804 is hingedly connected between the outer side of the end of the hydraulic cylinder 803 and the inner side of the movable frame 802.

[0033] By adopting the above scheme, when the hydraulic cylinder 803 operates, the output end can be extended to drive the linkage arm 804 to deflect, so as to drive the movable frame 802 and the pushing block 801 to move in opposite directions, thereby achieving the effect of moving the fixed block 7022 in opposite directions to release the fixed clamping of the rock drill bit 7021 and the end of the rock drill device 5.

[0034] As shown in Figure 6 and Figure 7 , one side of the support frame 4 is fixedly provided with a shielding assembly 9 located outside the fixed sleeve 701. The shielding assembly 9 comprises a second limiting rod 901, a sliding block 902, a shielding shell 903 and a third spring 904. The second limiting rod 901 is fixedly arranged in the interior of the support frame 4 and is located outside the fixed sleeve 701. The sliding block 902 is slidingly connected to the surface of the second limiting rod 901. The shielding shell 903 is fixedly arranged on one side of the sliding block 902. The outer end of the sliding block 902 is elastically connected with the inner wall of the support frame 4 through the third spring 904.

[0035] By adopting the above scheme, the sliding block 902 and the shielding shell 903 can be driven to move towards each other by the elastic force of the third spring 904, so as to shield and protect the fixed assembly 702 on the inner side of the fixed sleeve 701 when the output end of the rock drill device 5 extends.

[0036] As shown in Figure 6 and Figure 7 , the inner end of one side of the shielding shell 903 is designed in a beveled manner.

[0037] By adopting the above scheme, when the output end of the rock drill device 5 retracts, the bevel of the shielding shell 903 can be pressed to drive the two shielding shells 903 to move in opposite directions, so as to facilitate the subsequent retraction of the rock drill device 5.

[0038] As shown in Figure 6As shown, the surface of the support frame 4 is provided with a pneumatic assembly 10 located at the outer end of the second limiting rod 901 on one side, the pneumatic assembly 10 includes a second air cylinder 101, a fixed piston rod 102, a reset spring 103 and a breather pipe 104; The second air cylinder 101 is fixedly installed on the surface of the support frame 4 and located at the outer end of the second limiting rod 901 on one side, the fixed piston rod 102 is movably installed in the inner cavity of the second air cylinder 101, one end of the fixed piston rod 102 is elastically connected with the inner wall of the second air cylinder 101 through the reset spring 103, and one end of the second air cylinder 101 is fixedly communicated with one end of the first air cylinder 704 through the breather pipe 104; The end portion of the fixed piston rod 102 is matched in size with the inner groove on one side of the sliding block 902.

[0039] By adopting the above scheme: by arranging the fixed piston rod 102, when the gas in the inner cavity of the first air cylinder 704 is introduced into the inner cavity of the second air cylinder 101 through the breather pipe 104, the fixed piston rod 102 is pushed to move to one side, so that the end portion of the fixed piston rod 102 is inserted into the inner groove on one side of the sliding block 902 after the sliding block 902 moves away, so that the sliding block 902 after moving away has the effect of clamping and fixing.

[0040] The working principle and use process of the present application are as follows: Firstly, when the hydraulic working arm 3 drives the three support frames 4 and the rock drill rig device 5 to move to the corresponding vertical hole arrangement position, the rock drill rig device 5 is started to drive the output end of the rock drill rig device 5 to drive the end portion fixing assembly 702 to rotate and drill a hole in the tunnel wall, and at the same time, the Figure 2 The circular hole at the end of the 5 in the above-mentioned 5 is communicated with the air pump, so that the broken stones generated by rotation can be transported and discharged through the circular hole, and then when the fixing assembly 702 at the end of the rock drill rig device 5 is worn, the movable column 601 is compressed and inserted into the inner cavity of the rock drill rig device 5, so that the movable column 601 is in contact with one end of the pressure sensor 603, so that the pressure sensor 603 senses the constant pressure data and transmits it to the control end, and then the rock drill rig device 5 is controlled to retract the output end, and the hydraulic cylinder 803 is started to drive the output end of the hydraulic cylinder 803 to extend to drive the two linkage arms 804 to deflect to drive the two movable frames 802 and the push block 801 to move away, so that the top end fixed block 7022 of the push block 801 moves away, and the inner end of the fixed block 7022 is separated from the inside of the rock drill rig device 5, so that the clamping and fixing effect of the rock drill bit 7021 and the end portion of the rock drill rig device 5 is released.

[0041] When the rock drill device 5 is retracted, the end portion first presses against the inclined surface inside the shielding shell 903, causing the two shielding shells 903 and the sliding block 902 to move in opposite directions, so that the end portion of the fixed piston rod 102 is aligned with the inner groove of the sliding block 902. Then, the shielding shells 903 are removed from the fixed sleeve 701, allowing the rock drill device 5 to continue retracting. During the retraction process, the end portion of the rock drill device 5 is pushed out of the fixed sleeve 701 and the sliding round sleeve 703, and the sliding round sleeve 703 is pushed to move the pneumatic piston rod 705 in the same direction, so that the gas in the first air cylinder 704 is pushed into the second air cylinder 101 through the air pipe 104, increasing the pressure in the second air cylinder 101 and pushing the fixed piston rod 102 to move in the same direction, so that the end portion of the fixed piston rod 102 is inserted into the inner groove of the sliding block 902, and the sliding block 902 and the shielding shell 903 are fixed outside the fixed sleeve 701.

[0042] When the rock drill device 5 is retracted and the end portion of the pushing block 801 is aligned with the fixed block 7022 inside the fixed sleeve 701, the elastic force of the second spring 7024 is released, causing the fixed block 7022 to move towards the fixed block 7022 and the intact rock drill bit 7021 to be engaged with the end portion of the rock drill device 5, achieving the purpose of switching the rock drill bit 7021. Then, the rock drill device 5 can be started to extend the output end and the fixed assembly 702. At this time, the pneumatic piston rod 705 in the first air cylinder 704 is removed from the support, further releasing the elastic force of the reset spring 103 in the second air cylinder 101, causing the fixed piston rod 102 to reset, so that the gas in the second air cylinder 101 flows back to the first air cylinder 704 through the air pipe 104 to push the pneumatic piston rod 705 to reset. At this time, the end portion of the fixed piston rod 102 is separated from the inner groove of the sliding block 902, and the elastic force of the third spring 904 is released to push the sliding block 902 and the shielding shell 903 to reset and shield the intact fixed assembly 702 inside. Then, the rock drill device 5 can continue to perform vertical hole drilling operation by extending the switched fixed assembly 702.

[0043] Note: The air pump is a prior art and does not require further description and design.

[0044] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A three-axis rotary cutting boom for a vertical drilling machine used in tunnel blasting, comprising a mounting base (1), characterized in that: Also includes: Connecting frame (2), the connecting frame (2) is fixedly installed on one side of the top of the mounting base (1), and a hydraulic working arm (3) is hinged to one side of the connecting frame (2). Support frame (4), the support frame (4) is located at the output end of the hydraulic working arm (3), and a rock drilling device (5) is provided on the top of the support frame (4). Sensing component (6), the sensing component (6) is disposed in the inner cavity at the end of the rock drilling rig device (5); A switching device (7) is movably mounted on one side of the support frame (4); The switching device (7) includes a fixed sleeve (701) fixedly installed on one side of the support frame (4), a fixed component (702) movably installed on the end of the rock drilling device (5) and the inside of the fixed sleeve (701), a sliding sleeve (703) movably installed on the inside of the fixed sleeve (701), a first air cylinder (704) fixedly installed on one side of the sliding sleeve (703) inside the support frame (4), a pneumatic piston rod (705) movably installed in the inner cavity of the first air cylinder (704), the end of the pneumatic piston rod (705) being fixedly connected to one side of the sliding sleeve (703), and an unlocking component (8) located on one side of the sensing component (6) being provided in the inner cavity of the end of the rock drilling device (5).

2. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill as described in claim 1, characterized in that: The sensing component (6) includes a movable column (601), a first spring (602), and a pressure sensor (603). The movable column (601) is movably sleeved in the inner cavity of the end of the rock drilling rig (5). One end of the movable column (601) is elastically connected to the inner wall of the rock drilling rig (5) through the first spring (602). The pressure sensor (603) is fixedly installed inside the rock drilling rig (5) and is located on one side of the movable column (601).

3. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill as described in claim 2, characterized in that: The outer end of the movable column (601) is made of high manganese steel.

4. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill as described in claim 1, characterized in that: The fixing component (702) includes a rock drill bit (7021), a fixing block (7022), a first limiting rod (7023), and a second spring (7024); The rock drill bit (7021) is provided in multiple sets, which are respectively movably installed on the outer side of the end of the rock drilling machine device (5) and between the inner side of the fixed sleeve (701) and the sliding sleeve (703). The fixed block (7022) is slidably connected to the inner side of the rock drill bit (7021). The first limiting rod (7023) is fixedly installed inside the rock drill bit (7021) and located on the outer side of the fixed block (7022). The surface of the first limiting rod (7023) is slidably connected to the inner wall of the outer end of the fixed block (7022). The outer end of the fixed block (7022) is elastically connected to the inner wall of the rock drill bit (7021) through the second spring (7024).

5. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill according to claim 4, characterized in that: The inner wall of the second spring (7024) is slidably connected to the surface of the first limiting rod (7023).

6. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill as described in claim 1, characterized in that: The unlocking component (8) includes a push block (801), a movable frame (802), a hydraulic cylinder (803), and a linkage arm (804). The push block (801) is movably installed inside the rock drilling rig (5) and the push block (801) is located inside the fixed block (7022). The movable frame (802) is movably installed inside the rock drilling rig (5) and the movable frame (802) is located on one side of the inner end of the push block (801). The outer side of one end of the movable frame (802) is fixedly connected to one side of the push block (801). The hydraulic cylinder (803) is fixedly installed inside the rock drilling rig (5) and located at one end inside the movable frame (802). The linkage arm (804) is hinged between the outer side of the end of the hydraulic cylinder (803) and the inner side of the movable frame (802).

7. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill according to claim 1, characterized in that: A shielding assembly (9) located outside the fixed sleeve (701) is fixedly installed on one side of the support frame (4). The shielding assembly (9) includes a second limiting rod (901), a sliding block (902), a shielding shell (903), and a third spring (904). The second limiting rod (901) is fixedly installed inside the support frame (4) and located outside the fixed sleeve (701). The sliding block (902) is slidably connected to the surface of the second limiting rod (901). The shielding shell (903) is fixedly installed on one side of the sliding block (902). The outer end of the sliding block (902) is elastically connected to the inner wall of the support frame (4) through the third spring (904).

8. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill according to claim 7, characterized in that: The inner end of one side of the shielding shell (903) adopts a beveled design.

9. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill according to claim 1, characterized in that: The surface of the support frame (4) is provided with a pneumatic assembly (10) located at the outer end of the second limiting rod (901). The pneumatic assembly (10) includes a second air cylinder (101), a fixed piston rod (102), a return spring (103), and an air pipe (104). The second air cylinder (101) is fixedly installed on the surface of the support frame (4) and located at the outer end of the second limiting rod (901) on one side. The fixed piston rod (102) is movably installed in the inner cavity of the second air cylinder (101). One end of the fixed piston rod (102) is elastically connected to the inner wall of the second air cylinder (101) through a return spring (103). One end of the second air cylinder (101) is fixedly connected to one end of the first air cylinder (704) through a vent pipe (104).

10. The three-axis rotary cutting boom of the tunnel blasting vertical hole-laying rock drill according to claim 9, characterized in that: The end dimension of the fixed piston rod (102) is adapted to the inner groove dimension on one side of the sliding block (902).

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