A mine double-head rock drilling jumbo

Abstract

The present application relates to rock drilling equipment technical field, especially to a mine double-head rock drilling jumbo, including rock drilling jumbo support assembly, the top of rock drilling jumbo support assembly is equipped with drill rod extension positioning assembly through mechanical arm assembly, both sides of drill rod extension positioning assembly are equipped with auxiliary positioning assembly, drill rod extension positioning assembly includes positioning frame, one side of positioning frame is fixedly installed with fixed clamp rod, the end away from positioning frame of fixed clamp rod is fixedly installed with inner triangular clamping rod, the present application drives split triangular positioning frame along slide rod to carry out left and right sliding fine adjustment position through hollow slide block, and then adapts to the positioning requirement of different positioning positions, according to the state of magnetic attraction type turbine screw rod and magnetic attraction assembly, the actual state of split triangular positioning frame is controlled, so that the stability of split triangular positioning frame on ground clamping is better improved, and it is suitable for different mine ground.

Description

Technical Field

[0001] This invention relates to the field of rock drilling equipment technology, and in particular to a dual-head rock drilling rig for mining. Background Technology

[0002] As shallow mines are easily depleted, global mining depths continue to extend. In this process, traditional single-bit drilling rigs (which are inefficient and cause rapid bit wear) are insufficient due to the greater depth of the ore bodies, the higher pressure of the surrounding rock, and the more complex development of joints and fractures. Dual-head designs, by alternating or simultaneously operating two drill bits, can increase drilling progress per unit time (by 30%-50%) and shorten the mining cycle.

[0003] Because of the extremely fractured rock strata deep in the mine, the existing dual-head rock drilling rigs in the mine first make the hole during the mining process. As the drilling depth increases (hole depth > 4m), the drill bit's support becomes insufficient, so the drill rod needs to be replaced frequently (time > 10 minutes / time). During the process of moving the drill rod outward from the ultra-deep hole, the extremely fractured rock strata around the hole are prone to collide with the drill rod. The other drill bit, which serves as the support point for the robotic arm and the borehole, is prone to positional deviation under the influence of the drill rod when the other drill bit is replaced, thus affecting the overall drilling accuracy of the drilling rig.

[0004] Therefore, we propose a dual-head rock drilling rig for mining. Summary of the Invention

[0005] The purpose of this invention is to address the problems existing in the background art by proposing a dual-head rock drilling rig for mining.

[0006] The technical solution of the present invention: a mining dual-head rock drilling rig, including a rock drilling rig support assembly, wherein a drill rod extension positioning assembly is installed on the top of the rock drilling rig support assembly via a mechanical arm assembly, and auxiliary positioning assemblies are installed on both sides of the drill rod extension positioning assembly;

[0007] The drill pipe extension positioning assembly includes a positioning frame, a fixing clamp rod is fixedly installed on one side of the positioning frame, an inner triangular clamping rod is fixedly installed at the end of the fixing clamp rod away from the positioning frame, and slide rail frames are fixedly installed on both the upper and lower sides of the inner triangular clamping rod.

[0008] The auxiliary positioning assembly includes two sets of inner triangular slide rods installed on the left and right sides of the slide rail frame. A hydraulic push rod is fixedly installed on one side of each inner triangular slide rod. A positioning telescopic block is slidably installed inside the hydraulic push rod. An L-shaped positioning box is rotatably installed on one side of the positioning telescopic block. An auxiliary forward and reverse motor is fixedly installed on the top of the L-shaped positioning box. A first turbine is fixedly installed at one end of the auxiliary forward and reverse motor that passes through the L-shaped positioning box. A slide rod is fixedly installed inside the L-shaped positioning box. A worm gear is rotatably installed inside the L-shaped positioning box. The worm gear is meshed with the first turbine. A magnetic worm threaded rod is meshed on the side of the worm gear away from the L-shaped positioning box. A hollow slider is slidably installed inside the slide rod. The magnetic worm threaded rod is threaded inside the hollow slider. A split triangular positioning frame is slidably installed inside the hollow slider through the magnetic worm threaded rod.

[0009] Optionally, a directional gear is fixedly installed on the outer side of the L-shaped positioning box, and a gear assembly is rotatably installed on the outer side of the positioning telescopic block, wherein the gear assembly is engaged with the directional gear.

[0010] Optionally, the robotic arm assembly is mounted on the top of the rock drilling rig support assembly. The robotic arm assembly includes a secondary robotic arm hinged to the top of the positioning frame. A third hydraulic rod is hinged between the secondary robotic arm and the positioning frame. A main robotic arm is hinged to the end of the secondary robotic arm away from the positioning frame. A second hydraulic rod is hinged between the main robotic arm and the secondary robotic arm.

[0011] Optionally, a robot arm base is hinged to the bottom of the main robot arm, and two first hydraulic rods are hinged between the robot arm base and the main robot arm.

[0012] Optionally, the rock drilling rig support assembly includes a rock drilling rig housing fixedly installed at the bottom of the main robotic arm, a control console fixedly installed on the top of the rock drilling rig housing, and four wheels provided at the bottom of the rock drilling rig housing.

[0013] Optionally, a blocking positioning plate is fixedly installed on the side of the inner triangular clamping rod facing the positioning frame, and a positioning box is slidably installed on the outer side of the slide rail frame.

[0014] Optionally, two sets of pulleys are fixedly installed on the side of the positioning box facing the inner triangular clamping rod, and the pulleys are slidably installed on the side of the slide rail frame.

[0015] Optionally, a first gear is rotatably mounted on the side of the positioning box facing the pulley, a rack is meshed with the outer side of the first gear, the rack is fixedly mounted on the top of the slide rail frame, a first telescopic positioning belt is fixedly mounted between the positioning box and the slide rail frame, and a telescopic positioning frame is fixedly mounted on the outer side of the first telescopic positioning belt.

[0016] Optionally, a vertical positioning plate is fixedly installed on the outside of the positioning box, a drill rod clamping frame is slidably installed on the outside of the vertical positioning plate, a second telescopic positioning belt is fixedly installed between the telescopic positioning frame and the vertical positioning plate, a first telescopic positioning belt is provided inside the drill rod clamping frame, a drill rod positioning tube is slidably installed on the outside of the first telescopic positioning belt, and the drill rod positioning tube is fixedly installed on the outside of the vertical positioning plate.

[0017] Optionally, a vehicle body positioning component is installed on the outside of the rock drilling rig support assembly. The vehicle body positioning component includes two sets of crossbeams that are fixedly installed on the front and rear sides of the rock drilling rig shell. Two sets of limiting plates are fixedly installed on both sides of the crossbeams. Steel beam positioning feet are hinged to both sides of the crossbeams. A fourth hydraulic telescopic rod is hinged between the steel beam positioning feet and the crossbeams. An adaptive pressure plate is provided at the bottom of the steel beam positioning feet.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] The hollow slider drives the split triangular positioning frame to slide left and right along the slide bar to finely adjust its position, thereby adapting to the positioning requirements of different positions. According to the state of the magnetic turbine threaded rod and the magnetic component, the actual state of the split triangular positioning frame is controlled to better improve the stability of the split triangular positioning frame in clamping the ground, which is suitable for different mine surfaces.

[0020] When the positioning box moves the vertical positioning plate to adjust the orientation, it improves the stability of the drill bit in the left and right position adjustment. At the same time, the hydraulic pushing system mounted on the top of the drill rod clamping frame moves the first telescopic positioning belt up and down, which adjusts the stability of the drill bit in the up and down position adjustment. The first telescopic positioning belt is limited by the tension distance between the second telescopic positioning belt and the telescopic belt positioning frame, which makes it easy to adjust for different drilling positions and reduces the difficulty of drilling position adjustment.

[0021] The fourth hydraulic telescopic rod drives the steel beam positioning foot to move towards the ground through hydraulic drive until the steel beam positioning foot and the adaptive pressure plate compact the ground, thereby improving the overall stability of the equipment during drilling and reducing the interference of the equipment on the drilling. Attached Figure Description

[0022] Figure 1 A schematic diagram of a dual-head rock drilling rig for mining;

[0023] Figure 2 For the present invention Figure 1 Enlarged view of region A in the middle;

[0024] Figure 3 This is a schematic diagram of the drill pipe clamping frame of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the auxiliary robotic arm of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the first telescopic positioning belt of the present invention;

[0027] Figure 6 This is a schematic diagram of the triangular positioning frame of the present invention;

[0028] Figure 7 This is a schematic diagram of the hydraulic push rod of the present invention;

[0029] Figure 8 This is a schematic diagram of the slide bar of the present invention;

[0030] Figure 9 This is a schematic diagram of the turbine threaded rod of the present invention;

[0031] Figure 10 This is a schematic diagram of the structure of the second telescopic positioning belt of the present invention;

[0032] Figure 11 This is a schematic diagram of the positioning frame of the present invention;

[0033] Figure 12 This invention Figure 10 Enlarged view of region B in the middle;

[0034] Figure 13 This is a schematic diagram of the vehicle body positioning component of the present invention.

[0035] Reference numerals: 1. Rock drilling rig support assembly; 101. Rock drilling rig shell; 102. Control console; 103. Wheel; 2. Robotic arm assembly; 201. Main robotic arm; 202. Robotic arm base; 203. First hydraulic rod; 204. Second hydraulic rod; 205. Secondary robotic arm; 206. Third hydraulic rod; 3. Drill rod extension positioning assembly; 301. Positioning frame; 302. Vertical positioning plate; 303. Positioning box; 304. Slide rail frame; 305. Drill rod positioning tube; 306. First telescopic positioning belt; 307. Drill rod clamping frame; 308. Telescopic belt positioning frame; 309. Second telescopic positioning belt; 310. Shielding positioning plate; 311. Fixing 312. Clamping rod; 313. Pulley; 314. First gear; 315. Rack; 4. Auxiliary positioning assembly; 401. Hydraulic push rod; 402. Positioning telescopic block; 403. L-shaped positioning box; 404. Hollow slider; 405. Split-type triangular positioning frame; 406. Inner triangular slide rod; 407. Auxiliary forward and reverse motor; 408. Magnetic suction type worm threaded rod; 409. First worm; 410. Slide rod; 411. Worm gear; 412. Adjusting gear; 5. Vehicle body positioning assembly; 501. Crossbeam frame; 502. Fourth hydraulic telescopic rod; 503. Limiting plate; 504. Steel beam positioning foot; 505. Adaptive pressure plate. Detailed Implementation

[0036] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0038] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0041] like Figures 1 to 4 As shown, the present invention proposes a dual-head rock drilling rig for mining, including a rock drilling rig support assembly 1. A drill rod extension positioning assembly 3 is installed on the top of the rock drilling rig support assembly 1 via a mechanical arm assembly 2. Auxiliary positioning assemblies 4 are installed on both sides of the drill rod extension positioning assembly 3. The mechanical arm assembly 2 is installed on the top of the rock drilling rig support assembly 1. The mechanical arm assembly 2 includes a secondary mechanical arm 205 hinged to the top of the positioning frame 301. A third hydraulic rod 206 is hinged between the secondary mechanical arm 205 and the positioning frame 301. A main mechanical arm 201 is hinged to the end of the secondary mechanical arm 205 away from the positioning frame 301. The main mechanical arm 201 and the secondary mechanical arm 205 are connected together. A second hydraulic rod 204 is hinged between the main mechanical arm 201 and the main mechanical arm 201. A mechanical arm base 202 is hinged to the bottom of the main mechanical arm 201. Two first hydraulic rods 203 are hinged between the mechanical arm base 202 and the main mechanical arm 201. The rock drilling rig support assembly 1 includes a rock drilling rig shell 101 fixedly installed at the bottom of the main mechanical arm 201. A control console 102 is fixedly installed on the top of the rock drilling rig shell 101. Four wheels 103 are provided at the bottom of the rock drilling rig shell 101. The rock drilling rig support assembly 1 serves as the main body of the rock drilling rig. The operator operates the mine double-head rock drilling rig through the control console 102. Since the control console 102 is in a semi-sealed state, it can prevent excessive dust in the mine from entering the control console 102 and endangering the health of the operators.

[0042] As one implementation method, such as Figure 1 and Figure 4As shown, in deep and narrow areas, the equipment cannot completely pass through these areas. However, the operator controls the auxiliary robotic arm 205 and the drill rod extension positioning component 3 to move along the X-axis by operating the first hydraulic rod 203. Under the hydraulic drive of the hydraulic pump mounted on the first hydraulic rod 203, the main robotic arm 201 drives the drill rod extension positioning component 3 and the auxiliary positioning component 4 to drill along the X-axis into the deep and narrow area. At the same time, under the hydraulic drive of the hydraulic pump mounted on the second hydraulic rod 204, the auxiliary robotic arm 205 is driven to deflect along the end of the main robotic arm 201, that is, to move up and down along the Y-axis to adjust the vertical position for the deep and narrow area. Under the hydraulic drive of the hydraulic pump mounted on the second hydraulic rod 204, the positioning frame 301 is adjusted within a small range along the X-axis and Y-axis to conform to the complex terrain of the deep and narrow area of ​​the mine for drilling, thereby improving the drilling efficiency and range, and enhancing the practicality of the equipment.

[0043] As one implementation method, such as Figures 10 to 12As shown, in this embodiment, the drill pipe extension positioning assembly 3 includes a positioning frame 301. A fixing clamping rod 311 is fixedly installed on one side of the positioning frame 301. An inner triangular clamping rod 312 is fixedly installed at the end of the fixing clamping rod 311 away from the positioning frame 301. Slide rail frames 304 are fixedly installed on both the upper and lower sides of the inner triangular clamping rod 312. A blocking positioning plate 310 is fixedly installed on the side of the inner triangular clamping rod 312 facing the positioning frame 301. A positioning box 303 is slidably installed on the outer side of the slide rail frame 304. Two sets of pulleys 313 are fixedly installed on the side of the positioning box 303 facing the inner triangular clamping rod 312. The pulleys 313 are slidably installed on the side of the slide rail frame 304. A first tooth is rotatably installed on the side of the positioning box 303 facing the pulleys 313. A gear 314 is connected to a rack 315 on its outer side. The rack 315 is fixedly mounted on the top of the slide rail frame 304. A first telescopic positioning belt 306 is fixedly installed between the positioning box 303 and the slide rail frame 304. A telescopic belt positioning frame 308 is fixedly installed on the outer side of the first telescopic positioning belt 306. A vertical positioning plate 302 is fixedly installed on the outer side of the positioning box 303. A drill rod clamping frame 307 is slidably installed on the outer side of the vertical positioning plate 302. A second telescopic positioning belt 309 is fixedly installed between the telescopic belt positioning frame 308 and the vertical positioning plate 302. The drill rod clamping frame 307 has the first telescopic positioning belt 306 inside. Multiple drilling points are usually required in the rock drilling area to improve the overall rock drilling efficiency. In existing technologies, drilling around the initial drilling position typically requires adjusting the entire drilling rig to change its machining direction. Due to the large mass of the drilling rig, highly skilled workers are often required to adjust the drill bit position multiple times. While the front-to-back position of the drilling rig is relatively easy to adjust, the left-to-right position requires frequent steering wheel adjustments, resulting in slow drilling position adjustment efficiency and low hole positioning accuracy. In this application, the first forward / reverse motor is fixedly mounted on the positioning housing 303. As the first forward / reverse motor drives the first gear 314 to rotate, the first gear 314 meshes with the rack 315 and slides along the rack 315. Simultaneously, the positioning housing 303 slides synchronously along the slide rail 304. The characteristics of the pulleys between the two sets of pulleys 313 and the slide rail 304 cause… The low friction between the two facilitates the adjustment of the positioning box 303 along the slide rail 304. When the positioning box 303 moves the vertical positioning plate 302 to adjust its position, the positioning box 303 is limited by the tension distance between the first telescopic positioning belt 306 and the slide rail 304, improving the stability of the drill bit in the left and right position adjustment. At the same time, the hydraulic pushing system mounted on the top of the drill rod clamp 307 drives the first telescopic positioning belt 306 to move up and down, adjusting the stability of the drill bit in the up and down position adjustment. The first telescopic positioning belt 306 is limited by the tension distance between the second telescopic positioning belt 309 and the telescopic belt positioning frame 308, which facilitates adjustment for different drilling positions and reduces the difficulty of drilling position adjustment.

[0044] Furthermore, a drill rod positioning tube 305 is slidably installed on the outer side of the first telescopic positioning belt 306. The drill rod positioning tube 305 is fixedly installed on the outer side of the vertical positioning plate 302. During the process of the hydraulic pushing component driving the drill rod clamping frame 307 to drill downward along the vertical positioning plate 302, the first telescopic positioning belt 306 is always positioned by the drill rod positioning tube 305, thereby improving the stability of the first telescopic positioning belt 306 when drilling in the mine.

[0045] As one implementation method, such as Figures 5 to 9As shown, the auxiliary positioning component 4 includes two sets of inner triangular slide rods 406 installed on the left and right sides of the slide rail frame 304. A hydraulic push rod 401 is fixedly installed on one side of the inner triangular slide rod 406. A positioning telescopic block 402 is slidably installed inside the hydraulic push rod 401. An L-shaped positioning box 403 is rotatably installed on one side of the positioning telescopic block 402. An auxiliary forward and reverse motor 407 is fixedly installed on the top of the L-shaped positioning box 403. A first turbine 409 is fixedly installed at one end of the auxiliary forward and reverse motor 407 that passes through the L-shaped positioning box 403. A slide rod 410 is fixedly installed inside the L-shaped positioning box 403. A worm gear 411 is rotatably installed inside the L-shaped positioning box 403. The worm gear 411 is engaged with the first turbine 409. The worm gear 411 is away from the L-shaped positioning box 403. A magnetically attached turbine threaded rod 408 is engaged with one side of the positioning box 403. A hollow slider 404 is slidably installed inside the slide rod 410. The magnetically attached turbine threaded rod 408 is threaded into the hollow slider 404. A split-type triangular positioning frame 405 is slidably installed inside the hollow slider 404 via the magnetically attached turbine threaded rod 408. When the first telescopic positioning belt 306 adjusts the drilling position along the slide rail 304 and before the first telescopic positioning belt 306 drills up and down along the vertical positioning plate 302, the two sets of hydraulic push rods 401 located at both ends of the slide rail 304 are symmetrically arranged about the vertical center line of the positioning box 303. Therefore, the force spacing of the two sets of split-type triangular positioning frames 405 on the mine is equal, improving the first telescopic positioning... To ensure stability during movement, the hydraulic push rod 401 first moves the positioning telescopic block 402 downwards until the split triangular positioning frame 405 is compacted with the ground. Due to the complex internal environment of the mine, and the pressure sensor inside the split triangular positioning frame 405, which records the pressure exerted on the ground by the two sets of split triangular positioning frames 405, the split triangular positioning frame 405 needs to be finely adjusted to avoid uneven force on both sides of the slide rail frame 304, which could cause the drill bit to vibrate or tilt. At this time, the auxiliary forward and reverse motor 407 drives the first turbine 409 to rotate, and the first turbine 409 meshes with the worm gear 411, causing the worm gear 411 to rotate along the L-shaped positioning box 403. The hollow slider 404 is equipped with a magnetic vortex... When the magnetically attached worm gear 408 is fixed and cannot rotate due to the magnetic attachment component, the teeth on the surface of the worm gear 411 will generate friction with the teeth of the worm gear 408 as the worm rotates. In other words, when the rotational freedom of the magnetically attached worm gear 408 is locked, the rotational power of the magnetically attached worm gear 408 is forcibly converted into linear motion of the magnetically attached worm gear 408 through tooth meshing. This is similar to the situation where when a nut is stuck, the rotation of the screw causes the nut to move back and forth. At this time, the hollow slider 404 drives the split triangular positioning frame 405 to slide left and right along the slide rod 410 to finely adjust its position, thereby adapting to the positioning requirements of different positioning positions.If the magnetically attracted worm gear threaded rod 408 is not subject to the magnetic attraction of the magnetic assembly, and the worm gear 411 rotates, the magnetically attracted worm gear threaded rod 408 will rotate together with the worm gear 411 due to its meshing. Since the hollow slider 404 is limited by the slide rod 410, it can only slide. At this time, the magnetically attracted worm gear threaded rod 408 rotates along the hollow slider 404, forming a helical thrust with the split-type triangular positioning frame 405. The split-type triangular positioning frame 405, due to being clamped by the slide rail of the hollow slider 404, can only slide up and down. Therefore, the split-type triangular positioning frame 405 exerts different pressures on the ground under the helical thrust of the magnetically attracted worm gear threaded rod 408, thus improving the stability of the split-type triangular positioning frame 405 clamping the ground, making it suitable for different mine surfaces.

[0046] The L-shaped positioning box 403 is fixedly mounted with a directional gear 412 on its outer side, and the positioning telescopic block 402 is rotatably mounted with a gear assembly on its outer side. The gear assembly is meshed with the directional gear 412. At the same time, the outer side of the directional gear 412 is meshed with an auxiliary gear and a second forward and reverse motor. The second forward and reverse motor is fixedly mounted on the inner wall of the positioning telescopic block 402. The second forward and reverse motor drives the auxiliary gear to rotate, and the auxiliary gear drives the directional gear 412 to rotate. The directional gear 412 then drives the L-shaped positioning box 403 and the split triangular positioning frame 405 to adjust their angles, avoiding some sinking areas in the mine, thus improving the stability and safety of the drilling.

[0047] As one implementation method, such as Figure 1 and Figure 3 As shown, a vehicle body positioning component 5 is installed on the outer side of the rock drilling rig support assembly 1. The vehicle body positioning component 5 includes two sets of crossbeam frames 501, which are fixedly installed on the front and rear sides of the rock drilling rig shell 101. Two sets of limit plates 503 are fixedly installed on both sides of the crossbeam frame 501. Steel beam positioning feet 504 are hinged to both sides of the crossbeam frame 501. A fourth hydraulic telescopic rod 502 is hinged between the steel beam positioning feet 504 and the crossbeam frame 501. An adaptive pressure plate 505 is provided at the bottom of the steel beam positioning feet 504. The inner triangular slide rod 406 is positioned by the split triangular positioning frame 405. The overall movement of the equipment is controlled by the wheels 103. Under the influence of external forces, the equipment is prone to vibration or movement, which may interfere with the drilling accuracy. Therefore, the fourth hydraulic telescopic rod 502 drives the steel beam positioning feet 504 to move toward the ground through hydraulic drive until the steel beam positioning feet 504 and the adaptive pressure plate 505 are pressed against the ground, thereby improving the overall stability of the equipment in drilling and reducing the interference of the equipment on the drilling.

[0048] If the equipment is in motion, the fourth hydraulic telescopic rod 502 will retract the steel beam positioning foot 504 under the limit of the limit plate 503 to avoid interfering with the movement of the equipment.

[0049] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A dual-head rock drilling rig for mining, comprising a rock drilling rig support assembly (1), characterized in that: The top of the rock drilling rig support assembly (1) is equipped with a drill rod extension positioning assembly (3) via a mechanical arm assembly (2), and auxiliary positioning assemblies (4) are installed on both sides of the drill rod extension positioning assembly (3). The drill pipe extension positioning assembly (3) includes a positioning frame (301), a fixed clamping rod (311) is fixedly installed on one side of the positioning frame (301), an inner triangular clamping rod (312) is fixedly installed at the end of the fixed clamping rod (311) away from the positioning frame (301), and slide rail frames (304) are fixedly installed on both the upper and lower sides of the inner triangular clamping rod (312). The auxiliary positioning component (4) includes two sets of inner triangular slide rods (406) installed on the left and right sides of the slide rail frame (304). A hydraulic push rod (401) is fixedly installed on one side of each inner triangular slide rod (406). A positioning telescopic block (402) is slidably installed inside the hydraulic push rod (401). An L-shaped positioning box (403) is rotatably installed on one side of the positioning telescopic block (402). An auxiliary forward and reverse motor (407) is fixedly installed on the top of the L-shaped positioning box (403). The auxiliary forward and reverse motor (407) is fixedly installed with a first turbine (409) at one end passing through the L-shaped positioning box (403). A slide rod (410) is fixedly installed inside the L-shaped positioning box (403). A worm gear (411) is rotatably installed inside the L-shaped positioning box (403). The worm gear (411) is meshed with the first turbine (409). A magnetic turbine threaded rod (408) is meshed on the side of the worm gear (411) away from the L-shaped positioning box (403).

2. The dual-head rock drilling rig for mining according to claim 1, characterized in that, A hollow slider (404) is slidably installed inside the slide rod (410). The magnetic turbine threaded rod (408) is threaded inside the hollow slider (404). A split triangular positioning frame (405) is slidably installed inside the hollow slider (404) through the magnetic turbine threaded rod (408). A directional gear (412) is fixedly installed on the outside of the L-shaped positioning box (403). A gear assembly is rotatably installed on the outside of the positioning telescopic block (402). The gear assembly is meshed with the directional gear (412).

3. The mining dual-head rock drilling rig according to claim 1, characterized in that, The robotic arm assembly (2) is installed on the top of the rock drilling rig support assembly (1). The robotic arm assembly (2) includes a secondary robotic arm (205) hinged to the top of the positioning frame (301). A third hydraulic rod (206) is hinged between the secondary robotic arm (205) and the positioning frame (301). A main robotic arm (201) is hinged to the end of the secondary robotic arm (205) away from the positioning frame (301). A second hydraulic rod (204) is hinged between the main robotic arm (201) and the secondary robotic arm (205).

4. A mining dual-head rock drilling rig according to claim 3, characterized in that, The bottom of the main robotic arm (201) is hinged to a robotic arm base (202), and two first hydraulic rods (203) are hinged between the robotic arm base (202) and the main robotic arm (201).

5. A mining dual-head rock drilling rig according to claim 4, characterized in that, The rock drilling rig support assembly (1) includes a rock drilling rig housing (101) fixedly installed at the bottom of the main mechanical arm (201), a control console (102) fixedly installed on the top of the rock drilling rig housing (101), and four wheels (103) provided at the bottom of the rock drilling rig housing (101).

6. A dual-head rock drilling rig for mining according to claim 1, characterized in that, The inner triangular clamping rod (312) is fixedly installed with a blocking positioning plate (310) on the side facing the positioning frame (301), and the positioning box (303) is slidably installed on the outer side of the slide rail frame (304).

7. A mining dual-head rock drilling rig according to claim 6, characterized in that, The positioning box (303) has two sets of pulleys (313) fixedly installed on the side facing the inner triangular clamping rod (312), and the pulleys (313) are slidably installed on the side of the slide rail frame (304).

8. A dual-head rock drilling rig for mining according to claim 7, characterized in that, The positioning box (303) is rotatably mounted with a first gear (314) on the side facing the pulley (313). A rack (315) is meshed with the outer side of the first gear (314). The rack (315) is fixedly mounted on the top of the slide rail frame (304). A first telescopic positioning belt (306) is fixedly mounted between the positioning box (303) and the slide rail frame (304). A telescopic positioning frame (308) is fixedly mounted on the outer side of the first telescopic positioning belt (306).

9. A dual-head rock drilling rig for mining according to claim 8, characterized in that, A vertical positioning plate (302) is fixedly installed on the outside of the positioning box (303). A drill rod clamping frame (307) is slidably installed on the outside of the vertical positioning plate (302). A second telescopic positioning belt (309) is fixedly installed between the telescopic positioning frame (308) and the vertical positioning plate (302). A first telescopic positioning belt (306) is provided inside the drill rod clamping frame (307). A drill rod positioning tube (305) is slidably installed on the outside of the first telescopic positioning belt (306). The drill rod positioning tube (305) is fixedly installed on the outside of the vertical positioning plate (302).

10. A dual-head rock drilling rig for mining according to claim 1, characterized in that, The outer side of the rock drilling rig support assembly (1) is equipped with a vehicle body positioning assembly (5). The vehicle body positioning assembly (5) includes two sets of crossbeam frames (501) that are fixedly installed on the front and rear sides of the rock drilling rig shell (101). Two sets of limiting plates (503) are fixedly installed on both sides of the crossbeam frame (501). Steel beam positioning feet (504) are hinged on both sides of the crossbeam frame (501). A fourth hydraulic telescopic rod (502) is hinged between the steel beam positioning feet (504) and the crossbeam frame (501). An adaptive pressure plate (505) is provided at the bottom of the steel beam positioning feet (504).

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