A positioning and drilling device for blasting rockfill dam material yards

Abstract

This invention provides a positioning and drilling device for blasting in rockfill dam yards, relating to the field of blasting and drilling technology. It includes a connecting column, a second fixing plate fixed to the side of the connecting column away from the positioning component, a support box rotatably connected to the bottom of the second fixing plate, a third fixing plate rotatably connected inside the support box, a movable slot on the third fixing plate, a movable block slidably connected to the movable slot, and positioning holes evenly distributed on the third fixing plate. A fourth motor is mounted on the movable block, and a drilling rod is mounted at the bottom of the fourth motor. A fifth motor, in conjunction with a lead screw, can lock the support box and the second fixing plate, effectively enhancing overall stability during equipment movement and preventing damage due to shaking. The movable block slides within the movable slot of the third fixing plate, adjusting the left and right positions of the fourth motor and the drilling rod. The movable block is fixed by connecting it with screws through the positioning holes, ensuring accurate drilling position.

Description

Technical Field

[0001] This invention relates to the field of blasting drilling technology, and in particular to a positioning drilling device for blasting rockfill dam material yards. Background Technology

[0002] The positioning and drilling device for blasting in rockfill dam quarries is mainly used to precisely locate boreholes at the dam site or quarry for blasting operations. This device ensures precise control of borehole depth, angle, and spacing, thereby optimizing blasting results, reducing environmental impact, and improving blasting efficiency and safety. Precise drilling effectively reduces the fragmentation of blasted rock, minimizes waste, and provides a good foundation for subsequent construction.

[0003] In practical work, existing technologies such as blasting positioning and drilling devices can basically meet the drilling requirements for blasting rockfill dam material yards, but the following two problems still exist:

[0004] 1. In actual use, it was found that the existing positioning and drilling device for blasting cannot adjust the drilling requirements according to the actual situation after it is fixed. During operation, due to the lack of such adaptive adjustment function, the drilling position often deviates and cannot be accurately matched with the ideal position of the blasting design. This not only greatly reduces the blasting effect, but may also increase the difficulty and cost of subsequent remedial work.

[0005] 2. In actual use, it was found that the existing positioning and drilling device for blasting cannot be adjusted according to the road conditions at the blasting site during transportation. This greatly increases the difficulty of transporting the equipment. When transporting on bumpy roads, due to the lack of an effective response mechanism, the drilling components inside the equipment are easily damaged by vibration. This not only affects the normal use of the equipment, but may also lead to high maintenance costs.

[0006] Therefore, the present invention provides a positioning and drilling device for blasting in rockfill dam material yards. Summary of the Invention

[0007] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a positioning and drilling device for blasting rockfill dam material yards.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a positioning and drilling device for blasting of rockfill dam material yard, comprising a supporting base plate, with an outer expansion plate fixed on both sides of the supporting base plate, a positioning component fixed on the top of the outer expansion plate, and a drilling component arranged between the positioning components;

[0009] The drilling assembly includes a connecting column, a second fixing plate is fixed to the side of the connecting column away from the positioning assembly, a support box is rotatably connected to the bottom of the second fixing plate, a third fixing plate is rotatably connected inside the support box, a movable slot is formed on the third fixing plate, a movable block is slidably connected to the movable slot, positioning holes are evenly formed on the third fixing plate, a fourth motor is provided on the movable block, and a drilling rod is provided at the bottom of the fourth motor.

[0010] In a preferred embodiment, a second lifting rod is provided on both sides of the bottom of the third fixing plate, and a positioning lifting plate is fixed at the bottom of the second lifting rod. A slot is opened on the positioning lifting plate, and the drilling rod passes through the slot opened on the positioning lifting plate. A lead screw is provided at both ends of the outer side of the support box, and a fifth motor is provided in the support box through the lead screw.

[0011] The technical effects of the above-mentioned technical solution are as follows: the positioning lifting plate can be adjusted in height by the second lifting rods on both sides of the bottom of the third fixing plate to meet the needs of fixing different drilling heights. The slots in the positioning lifting plate provide precise positioning for the drilling rod, enhancing drilling stability. The support box is fixed to the second fixing plates on both sides by means of a lead screw and a fifth motor. When the drilling angle needs to be adjusted, the support box rotates on the second fixing plate, causing the drilling rod to change its angle as a whole, thus meeting diverse drilling needs.

[0012] In a preferred embodiment, the positioning component includes a support column with a first sliding groove. A sliding block is slidably connected in the first sliding groove. A sixth motor is provided at the top of the support column. A first support plate is fixed to the other side of the sliding block. A slot is provided on the first support plate. A second base is slidably connected to the first support plate through the slot. A third motor is provided at the top of the second base. A digging rod is provided at the bottom of the second base.

[0013] The technical effects of adopting the above technical solution are as follows: the support column provides stable support for the equipment, ensuring the stability of each component during operation; the first sliding groove cooperates with the sliding block; the sixth motor drives the screw inside the first sliding groove to rotate, causing the sliding block to slide in the first sliding groove, thereby driving the first support plate to perform lifting and lowering operations; the slot on the first support plate allows the second base to slide in it, thereby driving the bottom digging rod to slide, achieving precise adjustment of the drilling position; and the setting of the third motor can fix the equipment after the position is adjusted, avoiding displacement during operation, improving the accuracy of positioning and the precision of drilling operations.

[0014] In a preferred embodiment, the damage prevention component includes a second support plate, which is fixed to the bottom of the support box. A fixing collar is provided at the bottom of the second support plate, and an explosion-proof box is provided inside the fixing collar. An explosion-proof pad is provided inside the explosion-proof box, and a folding damage prevention plate is provided at the bottom of the explosion-proof box. A dust guide plate is provided at the bottom of the folding damage prevention plate, and an exhaust port is provided on the dust guide plate.

[0015] The technical effect of adopting the above technical solution is as follows: the second support plate is fixedly connected to the bottom of the support box, and an explosion-proof box is provided in the fixing collar at the bottom. When the positioning lifting plate descends, it drives the second support plate to descend, which in turn causes the explosion-proof box in the fixing collar to descend. The folding anti-damage plate and dust guide plate at the bottom of the explosion-proof box also descend, effectively protecting the bottom of the equipment. The anti-damage soft pad inside the explosion-proof box can buffer the impact of stones. After the impact, the stones are discharged through the discharge port of the dust guide plate to avoid blockage inside the equipment and ensure stable operation of the equipment.

[0016] In a preferred embodiment, a positioning base plate is provided at the bottom of the supporting base plate, and an auxiliary moving component is provided at the bottom of each positioning base plate. The auxiliary moving component includes a first rotating shaft, a first lifting rod is provided at the bottom of the first rotating shaft, a rotating groove is provided at the bottom of the first lifting rod, a third rotating shaft is provided inside the rotating groove, the first lifting rod is rotatably connected to the third rotating shaft, a first motor is provided at the bottom of the rotating groove, a second rotating shaft is provided inside the first motor, and wheel hubs are provided on both sides of the second rotating shaft, with tracks engaged on the wheel hubs.

[0017] The technical effects of adopting the above technical solution are as follows: the first rotating shaft is connected to the first lifting rod at the bottom. The first lifting rod can be flexibly adjusted by rotating with the third rotating shaft in the rotating groove. The first motor at the bottom of the rotating groove drives the second rotating shaft to rotate, which drives the wheel hubs on both sides and the track engaged to move. The first lifting rod can adjust the track height according to the site conditions. In the gravel site, the track increases the contact area with the ground, distributes the weight of the equipment, makes the equipment move more stably, and effectively avoids the shaking and sinking problems caused by gravel.

[0018] In a preferred embodiment, a movable component is provided at the bottom of the expansion plate. The movable component includes a first fixed plate, a screw is provided at the bottom of the first fixed plate, a second motor is provided at the bottom of the screw, a hollow column is provided inside the first fixed plate, a connecting plate is provided at the bottom of the hollow column, and a caster wheel is provided at the bottom of the connecting plate.

[0019] The technical advantages of adopting the above-mentioned technical solution are as follows: When used on normal roads, the casters allow the equipment to be moved easily. When encountering complex road conditions such as gravel areas, the casters can be retracted by driving the lead screw with a second motor, and then moved by the auxiliary moving components to ensure the stability of the equipment and realize the function of adjusting according to the road surface.

[0020] In a preferred embodiment, a supporting shell is provided on the top of the supporting base plate, and a handle is fixed on the side of the supporting base plate away from the supporting shell.

[0021] The technical effects of adopting the above technical solution are: the components inside the supporting shell are effectively protected to avoid damage from external factors, and a handle is fixed on the side of the supporting base plate away from the supporting shell to facilitate the operation and movement of the device by the staff.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0023] This invention comprises a connecting column, a second fixed plate, a support box, a fourth motor, a drilling rod, a fifth motor, a third fixed plate, a moving block, and positioning holes. The drilling assembly is secured to the second fixed plate by the connecting column. After the positioning assembly completes its positioning, drilling operations can be carried out collaboratively. The fifth motor, in conjunction with a lead screw, can lock the support box and the second fixed plate, effectively enhancing overall stability during equipment movement and preventing damage due to shaking. The moving block slides within the moving slot of the third fixed plate, enabling adjustment of the left and right positions of the fourth motor and the drilling rod. The moving block is fixed by screws connected through the positioning holes, ensuring accurate drilling position. The fourth motor drives the drilling rod to rotate, thereby efficiently completing the drilling task, meeting different drilling needs, and solving the problems mentioned in the background art. Attached Figure Description

[0024] Figure 1 A schematic diagram of the structure of a positioning and drilling device for blasting in a rockfill dam material yard provided by the present invention;

[0025] Figure 2 This invention provides a schematic diagram of the drilling assembly of a positioning and drilling device for blasting in a rockfill dam material yard.

[0026] Figure 3 This is a schematic diagram of the positioning component of a positioning and drilling device for blasting in a rockfill dam material yard, provided by the present invention.

[0027] Figure 4 This invention provides a structural schematic diagram of a damage prevention component for a positioning and drilling device used in blasting of a rockfill dam material yard.

[0028] Figure 5 This invention provides a schematic diagram of the auxiliary moving component of a positioning and drilling device for blasting in a rockfill dam material yard.

[0029] Figure 6 This is a schematic diagram of the moving component of a positioning and drilling device for blasting in a rockfill dam material yard, provided by the present invention.

[0030] Legend:

[0031] 1. Support base plate; 2. Outward expansion plate; 3. Positioning base plate;

[0032] 4. Auxiliary moving assembly; 41. First rotating shaft; 42. First lifting rod; 43. Rotating groove; 44. Third rotating shaft; 45. First motor; 46. Second rotating shaft; 47. Wheel hub; 48. Track;

[0033] 5. Moving component; 51. Casters; 52. Connecting plate; 53. Hollowed-out column; 54. Screw; 55. Second motor; 56. First fixing plate;

[0034] 6. Positioning component; 61. Support column; 62. First sliding groove; 63. Sliding block; 64. First support plate; 65. Third motor; 66. Second base; 67. Digging rod; 68. Sixth motor;

[0035] 7. Drilling assembly; 71. Connecting column; 72. Second fixing plate; 73. Support box; 74. Fourth motor; 75. Drilling rod; 76. Second lifting rod; 77. Fifth motor; 78. Positioning lifting plate; 79. Third fixing plate; 710. Moving slot; 711. Moving block; 712. Positioning hole;

[0036] 8. Support the outer casing;

[0037] 9. Damage protection components; 91. Explosion-proof box; 92. Damage protection pad; 93. Second support plate; 94. Fixing collar; 95. Folding damage protection plate; 96. Dust guide plate; 97. Discharge port;

[0038] 10. Handle. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] like Figure 1 - Figure 4As shown, this embodiment provides a technical solution: a positioning and drilling device for blasting in a rockfill dam material yard, including a supporting base plate 1, with an outer expansion plate 2 fixed on both sides of the supporting base plate 1, a positioning component 6 fixed on the top of the outer expansion plate 2, and a drilling component 7 arranged between the positioning components 6.

[0041] The drilling assembly 7 includes a connecting column 71. A second fixing plate 72 is fixed to the side of the connecting column 71 away from the positioning assembly 6. A support box 73 is rotatably connected to the bottom of the second fixing plate 72. A third fixing plate 79 is rotatably connected inside the support box 73. A movable slot 710 is provided on the third fixing plate 79. A movable block 711 is slidably connected to the movable slot 710. Positioning holes 712 are evenly provided on the third fixing plate 79. A fourth motor 74 is provided on the movable block 711. A drilling rod 75 is provided at the bottom of the fourth motor 74. The drilling assembly 7 fixes the second fixing plate 72 with the connecting column 71. After the positioning assembly 6 is positioned, it cooperates in drilling. The fifth motor 77 locks the support box 73 and the second fixing plate 72 with the lead screw to ensure stable movement of the equipment. The movable block 711 slides in the movable slot 710 to adjust the left and right positions of the fourth motor 74 and the drilling rod 75. It is precisely positioned by fixing with screws through the positioning holes 712. The fourth motor 74 drives the drilling rod 75 to rotate to complete the drilling. It can flexibly adapt to different situations. To meet diverse drilling needs and ensure an efficient and orderly drilling process, the equipment combines stability and functionality. The bottom of the third fixed plate 79 has two second lifting rods 76 on both sides. A positioning lifting plate 78 is fixed to the bottom of each second lifting rod 76, and a slot is cut into the positioning lifting plate 78. The drilling rod 75 passes through this slot. Lead screws are installed at both ends of the outer side of the support box 73, and a fifth motor 77 is mounted on the support box 73 via these lead screws. The positioning lifting plate 78 can be adjusted in height using the second lifting rods 76 on both sides of the bottom of the third fixed plate 79 to accommodate different drilling height requirements. The slot in the positioning lifting plate 78 provides precise positioning for the drilling rod 75, enhancing drilling stability. The support box 73 connects to the second fixed plates 72 on both sides via the lead screws and the fifth motor 77. When the drilling angle needs adjustment, the support box 73 rotates on the second fixed plates 72, causing the drilling rod 75 to change angle, thus meeting diverse drilling needs.

[0042] Going further, such as Figure 2 - Figure 3As shown: The positioning component 6 includes a support column 61, on which a first sliding groove 62 is formed. A sliding block 63 is slidably connected within the first sliding groove 62. A sixth motor 68 is mounted on the top of the support column 61. A first support plate 64 is fixed to the other side of the sliding block 63. A slot is formed on the first support plate 64, through which a second base 66 is slidably connected. A third motor 65 is mounted on the top of the second base 66, and a digging rod 67 is mounted on the bottom of the second base 66. The support column 61 provides stable support for the equipment, ensuring the stability of each component during operation. The first sliding groove 62 and the sliding block 63... The block 63 works in conjunction with the sixth motor 68 to drive the lead screw inside the first sliding groove 62 to rotate, causing the sliding block 63 to slide within the first sliding groove 62. This, in turn, drives the first support plate 64 to perform lifting and lowering operations. The slot on the first support plate 64 allows the second base 66 to slide within it, which in turn drives the bottom digging rod 67 to slide, achieving precise adjustment of the drilling position. The third motor 65 is designed so that after the position is adjusted, the lead screw on one side of the third motor 65 can drive the second base 66 to adjust the drilling position, preventing displacement during operation and improving the accuracy of positioning and the precision of drilling operations.

[0043] To address the issue of equipment damage during drilling, such as... Figure 4 As shown: In this solution, the damage prevention component 9 includes two second support plates 93. The two second support plates 93 are located at the bottom of the support box 73 and connected to the support base plate 1. A fixing collar 94 is provided on the opposite side of the two second support plates 93. An explosion-proof box 91 is provided inside the fixing collar 94. An explosion-proof pad 92 is provided inside the explosion-proof box 91. A folding damage prevention plate 95 is provided at the bottom of the explosion-proof box 91. A dust guide plate 96 is provided at the bottom of the folding damage prevention plate 95. An exhaust port 97 is provided on the dust guide plate 96. The second support plates 9... 3 is fixedly connected to the bottom of the support box 73. The bottom of the fixed collar 94 is equipped with an explosion-proof box 91. When the positioning lifting plate 78 descends, it drives the second support plate 93 to descend, which in turn causes the explosion-proof box 91 in the fixed collar 94 to descend. The folding anti-damage plate 95 and the dust guide plate 96 at the bottom of the explosion-proof box 91 also descend, effectively protecting the bottom of the equipment. The anti-damage soft pad 92 in the explosion-proof box 91 can buffer the impact of stones. After the impact, the stones are discharged through the discharge port 97 of the dust guide plate 96 to avoid blockage inside the equipment and ensure stable operation of the equipment.

[0044] To solve the problem of difficulty in moving equipment on uneven surfaces, such as Figure 1 - Figure 5As shown: In this solution, a positioning base plate 3 is provided at the bottom of the supporting base plate 1. An auxiliary moving component 4 is provided at the bottom of each positioning base plate 3. The auxiliary moving component 4 includes a first rotating shaft 41, a first lifting rod 42 at the bottom of the first rotating shaft 41, a rotating groove 43 at the bottom of the first lifting rod 42, a third rotating shaft 44 inside the rotating groove 43, and the first lifting rod 42 rotatably connected to the third rotating shaft 44. A first motor 45 is provided at the bottom of the rotating groove 43, a second rotating shaft 46 inside the first motor 45, and wheel hubs 47 on both sides of the second rotating shaft 46. Track 48 is snapped onto 47. The first rotating shaft 41 is connected to the first lifting rod 42 at the bottom. The first lifting rod 42 can be flexibly adjusted by rotating with the third rotating shaft 44 in the rotating groove 43. The first motor 45 at the bottom of the rotating groove 43 drives the second rotating shaft 46 to rotate, which drives the wheel hubs 47 on both sides and the snapped track 48 to move. The first lifting rod 42 can adjust the height of the track 48 according to the site conditions. In the gravel site, the track 48 increases the contact area with the ground, distributes the weight of the equipment, makes the equipment move more stably, and effectively avoids the shaking and sinking problems caused by gravel.

[0045] Working principle:

[0046] like Figure 1 - Figure 6 As shown:

[0047] In use: the support column 61 serves as the basic support structure, laying the foundation for the normal operation of each component. Driven by the sixth motor 68, the screw in the first sliding groove 62 rotates, causing the sliding block 63 to slide, which in turn drives the first support plate 64 to rise and fall, thereby adjusting the height of the digging rod 67. The slot on the first support plate 64 provides a track for the second base 66 to slide, realizing the precise adjustment of the horizontal position of the digging rod 67. The third motor 65 can lock the equipment after positioning to prevent displacement, greatly improving the positioning accuracy and drilling precision.

[0048] After positioning, the connecting column 71 ensures the stability of the second fixed plate 72 and is linked with the positioning component 6. After positioning, the drilling process is started. The fifth motor 77 works with the lead screw to tightly fix the support box 73 to the second fixed plate 72 when the equipment moves, effectively enhancing the stability of the equipment movement and avoiding shaking damage. The moving block 711 slides in the moving slot 710 of the third fixed plate 79, flexibly adjusting the left and right positions of the fourth motor 74 and the drilling rod 75. The moving block 711 is locked with the positioning hole 712 and screws to ensure accurate drilling position. The fourth motor 74 drives the drilling rod 75 to rotate, efficiently completing the drilling task and adapting to various drilling needs. The second lifting rod 76 can adjust the height of the positioning lifting plate 78 to match different drilling height requirements. The slot of the positioning lifting plate 78 accurately positions the drilling rod 75, enhancing drilling stability. The support box 73 can rotate on the second fixed plate 72 and is fixed with the fifth motor 77 with the help of the lead screw to realize the drilling angle adjustment and meet diverse drilling scenarios.

[0049] During drilling, the second support plate 93 is connected to the bottom of the support box 73. The explosion-proof box 91 inside the bottom fixing collar 94 rises and falls with the positioning lifting plate 78, which drives the folding anti-damage plate 95 and the dust guide plate 96 to move synchronously, effectively protecting the bottom of the equipment. The anti-damage pad 92 buffers the impact of stones, and the discharge port 97 of the dust guide plate 96 discharges the impacted stones to prevent blockage inside the equipment, ensuring stable and continuous operation of the equipment, and enabling the entire equipment to maintain good performance and reliability in complex drilling operation environments.

[0050] In terms of mobility, auxiliary mobility components 4 and mobility components 5 ensure stable movement of the equipment under different road conditions. In auxiliary mobility component 4, the first motor 45 drives the track 48 to move, and the first lifting rod 42 can adjust the height of the track 48. On gravel sites, the track 48 enables the equipment to move stably. When used on normal roads, the casters 51 enable the equipment to move easily. When encountering complex road conditions such as gravel sites, the second motor 55 can drive the screw 54 to retract the hollow column 53 into the first fixed plate 56, thereby retracting the connecting plate 52 and the casters 51. Then, the auxiliary mobility component 4 is used for movement to ensure the stability of the equipment and realize the function of adjustment according to the road surface.

[0051] In addition, the supporting shell 8 protects the internal components, and the handle 10 facilitates the operation and movement of equipment by staff, making the operation of the equipment more convenient and safe, and meeting the complex needs of blasting and drilling in rockfill dam material yards.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A positioning and drilling device for blasting in a rockfill dam material yard, comprising a supporting base plate (1), characterized in that, Both sides of the supporting base plate (1) are fixed with an expansion plate (2), and the top of the expansion plate (2) is fixed with a positioning component (6). A drilling component (7) is provided between the positioning components (6). The drilling assembly (7) includes a connecting column (71), a second fixing plate (72) is fixed on the side of the connecting column (71) away from the positioning assembly (6), a support box (73) is rotatably connected to the bottom of the second fixing plate (72), a third fixing plate (79) is rotatably connected inside the support box (73), a movable slot (710) is provided on the third fixing plate (79), a movable block (711) is slidably connected on the movable slot (710), positioning holes (712) are evenly provided on the third fixing plate (79), a fourth motor (74) is provided on the movable block (711), and a drilling rod (75) is provided at the bottom of the fourth motor (74). The bottom sides of the third fixing plate (79) are provided with second lifting rods (76), and the bottom of the second lifting rods (76) is fixed with a positioning lifting plate (78). The positioning lifting plate (78) has a slot, and the drilling rod (75) passes through the slot on the positioning lifting plate (78). The outer ends of the support box (73) are provided with lead screws, and the support box (73) is provided with a fifth motor (77) through the lead screws. The positioning component (6) includes a support column (61), a first sliding groove (62) is provided on the support column (61), a sliding block (63) is slidably connected in the first sliding groove (62), a sixth motor (68) is provided on the top of the support column (61), a first support plate (64) is fixed on the other side of the sliding block (63), a slot is provided on the first support plate (64), a second base (66) is slidably connected to the first support plate (64) through the slot, a third motor (65) is provided on the top of the second base (66), and a digging rod (67) is provided on the bottom of the second base (66). The top of the support base plate (1) is provided with a damage prevention component (9); The damage prevention component (9) includes a second support plate (93), which is fixed to the bottom of the support box (73). A fixing collar (94) is provided at the bottom of the second support plate (93). An explosion-proof box (91) is provided inside the fixing collar (94). An explosion-proof pad (92) is provided inside the explosion-proof box (91). A folding damage prevention plate (95) is provided at the bottom of the explosion-proof box (91). A dust guide plate (96) is provided at the bottom of the folding damage prevention plate (95). An exhaust port (97) is provided on the dust guide plate (96).

2. The positioning and drilling device for blasting in a rockfill dam material yard according to claim 1, characterized in that, The expansion plate (2) has a slot, and the excavating rod (67) passes through the slot on the expansion plate (2).

3. The positioning and drilling device for blasting in a rockfill dam material yard according to claim 1, characterized in that, The bottom of the support base plate (1) is provided with a positioning base plate (3), and the bottom of the positioning base plate (3) is provided with an auxiliary moving component (4). The auxiliary moving component (4) includes a first rotating shaft (41), the bottom of the first rotating shaft (41) is provided with a first lifting rod (42), the bottom of the first lifting rod (42) is provided with a rotating groove (43), the inside of the rotating groove (43) is provided with a third rotating shaft (44), the first lifting rod (42) is rotatably connected to the third rotating shaft (44), the bottom of the rotating groove (43) is provided with a first motor (45), the inside of the first motor (45) is provided with a second rotating shaft (46), the two sides of the second rotating shaft (46) are provided with wheel hubs (47), and the wheel hubs (47) are engaged with tracks (48).

4. The positioning and drilling device for blasting in a rockfill dam material yard according to claim 1, characterized in that, The bottom of the expansion plate (2) is provided with a moving component (5), the moving component (5) includes a first fixing plate (56), the bottom of the first fixing plate (56) is provided with a screw (54), the bottom of the screw (54) is provided with a second motor (55), the interior of the first fixing plate (56) is provided with a hollow column (53), the bottom of the hollow column (53) is provided with a connecting plate (52), and the bottom of the connecting plate (52) is provided with a universal wheel (51).

5. A positioning and drilling device for blasting in a rockfill dam material yard according to claim 1, characterized in that, The top of the support base plate (1) is provided with a support shell (8), and a handle (10) is fixed on the side of the support base plate (1) away from the support shell (8).

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