Rotary drilling rig applied to rock-entering construction

Abstract

The utility model discloses a rotary drilling rig applied to rock entering construction, which relates to the technical field of drilling rigs and comprises a bearing plate, a handrail is arranged at one end of the bearing plate, a first hollow rod is arranged at the lower end of one side of the bearing plate, a first supporting rod is arranged at the lower end of the first hollow rod, and a bottom plate is fixedly connected to the lower end of the first supporting rod. The lower end of the bottom plate is fixedly connected with two sets of moving wheels, and the upper end of the bearing plate is fixedly connected with a portal frame. Under the combined action of the portal frame, the hydraulic cylinder, the movable plate, the driving device and the drill rod, the drill rod can be replaced according to different requirements during drilling work, and under the combined action of the second hollow rod, the threaded rod, the adjusting rotating handle and the second supporting rod, the height and depth of the ground needing to be drilled and excavated can be adjusted, so that the drilling efficiency is improved. And under the combined action of a mounting frame, a positioning bolt, a positioning hole and a rolling wheel, the device can be stably supported during use.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling machines, in particular to a rotary drilling machine used for rock drilling construction. Background Art

[0002] Rotary drilling rigs are widely used in the field of construction engineering. Their technical features include the use of multiple short-distance drillings to drill large-diameter long pile holes, which can serve foundation treatment, water-stop curtains and foundation pit support projects. High verticality piles are the prerequisite for ensuring construction quality. Drilling and pile foundation projects with poor verticality will cause serious economic losses and even threaten project safety. Rotary drilling rigs facilitate the subsequent construction of pile foundations by setting deep holes on the ground. The following problems exist in the existing technology:

[0003] For example, a Chinese patent for a rotary drilling rig (publication number CN101936131B, application date 2010.09.14) discloses that it includes a drill rod, a drill rod guide column, and a guide plate. A drill bit is installed at the front end of the drill rod, and one end of the guide column is fixed on a fixed base. It is characterized in that it is also provided with a screw, a screw fixing plate, a screw drive motor, and a screw gearbox. The screw fixing plate is provided with a screw positioning hole and a drill rod guide column positioning hole, and the guide plate is provided with a screw drive hole and a guide hole. The other end of the guide column passes through the guide hole on the guide plate and the corresponding guide column positioning hole on the screw fixing plate, and is fixed to the screw fixing plate through a nut; one end of the screw passes through the screw drive hole of the guide plate and the screw positioning hole on the screw fixing plate through a threaded fit, and is fixed through a rolling bearing, and the other end of the screw is connected to a screw gearbox fixed on the fixed base, and a screw drive motor is installed on the screw gearbox; the drill rod is connected to the drill rod drive motor through the drill rod gearbox. Similar structural designs cannot replace the drill bit as needed, and the work efficiency is reduced, and the use effect is poor. Secondly, the device cannot be moved conveniently, and it cannot be supported and fixed after stopping, so it is easy to move. Utility Model Content

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] The top end of the support leg is fixedly provided with a toothed connecting strip which is cooperatively connected with the toothed connecting strip, and the bottom end of the support leg is fixedly provided with a toothed connecting strip, and the bottom end of the support leg is fixedly provided with a toothed connecting strip.

[0006] A further improvement of the technical solution of the utility model is that: both ends of the movable plate are fixedly connected to limiting blocks, and limiting grooves are respectively provided on the inner walls at both ends of the gantry, and the movable plate slides in the limiting grooves of the inner wall of the gantry through the limiting blocks.

[0007] A further improvement of the technical solution of the utility model is that: the lower end of the fixing seat is fixedly connected with a support, a sliding block is movably installed on one side surface of the support, a fixing screw is inserted into the other side surface of the support, and a hexagonal slot is opened at the lower end of the support.

[0008] A further improvement of the technical solution of the utility model is that a movable clamping column is movably installed on the inner wall of the hexagonal slot, the movable clamping column is connected to the slider, a hexagonal plug-in is inserted into the inside of the hexagonal slot, a clamping groove is opened on the outer wall of the hexagonal plug-in, and a drill rod is fixedly connected to the lower end of the hexagonal plug-in.

[0009] A further improvement of the technical solution of the utility model is that: the inner upper surface of the hollow rod 2 is movably connected with a threaded rod, the support rod 2 is installed on the threaded rod by means of threads, the internal structure of the hollow rod 1 is the same as the internal structure of the hollow rod 2, and the structure of the support rod 1 is the same as the structure of the support rod 2.

[0010] A further improvement of the technical solution of the utility model is that the surface of the threaded rod is fixedly connected to the first gear, the surface of the second hollow rod is movably connected to the adjusting handle, one end of the adjusting handle is fixedly connected to the second gear, and the first gear is meshingly connected with the second gear.

[0011] A further improvement of the technical solution of the utility model is that a positioning bolt is inserted into the interior of one side of the mounting frame, and two groups of positioning holes are opened on the surface of the second support rod.

[0012] A further improvement of the technical solution of the utility model is that a roller is fixedly connected to the lower end of the other side of the mounting frame, and the number of the mounting frame, the positioning bolts and the rollers are all three groups.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] The utility model provides a rotary drilling rig used for rock penetration construction. Through the joint action of a gantry, a hydraulic cylinder, a movable plate, a driving device and a drill rod, the drill rod can be replaced according to different needs during drilling work, and can be flexibly replaced and installed, thereby increasing the convenience of the device.

[0015] The utility model provides a rotary drilling rig used for rock penetration construction. Through the joint action of two hollow rods, a threaded rod, an adjusting handle and two support rods, the height and depth of the ground to be drilled and excavated can be adjusted according to the needs, so that the excavation work is more precise, thereby increasing the flexibility of the device.

[0016] The utility model provides a rotary drilling rig used for rock penetration construction. Through the joint action of a mounting frame, positioning bolts, positioning holes and rollers, the device can be stably supported when in use, and has mobility and fixity, which facilitates better use of the device for excavation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the rotary drilling rig used for rock drilling construction of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the drive assembly of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the detachable component of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the regulating device of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the lifting wheel of the utility model.

[0022] In the figure: 1. load-bearing plate; 2. handrail; 3. hollow rod 1; 4. support rod 1; 5. bottom plate; 6. moving wheel; 7. gantry; 8. control box; 9. hydraulic cylinder; 10. moving plate; 11. limit block; 12. limit slot; 13. driving device; 14. fixed seat; 15. support; 16. slide block; 17. fixing screw; 18. hexagonal slot; 19. movable clamping column; 20. hexagonal plug-in; 21. clamping slot; 22. drill rod; 23. hollow rod 2; 24. threaded rod; 25. first gear; 26. adjusting handle; 27. second gear; 28. support rod 2; 29. ​​mounting frame; 30. positioning bolt; 31. positioning hole; 32. roller; 33. control panel. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the implementation modes:

[0024] like Figure 1-5 As shown, the utility model provides a rotary drilling rig for rock drilling construction, including a bearing plate 1, one end of the bearing plate 1 is fixedly connected to a handrail 2, a lower end of one side of the bearing plate 1 is fixedly connected to a hollow rod 3, a lower end of the hollow rod 3 is provided with a support rod 4, a lower end of the support rod 4 is fixedly connected to a bottom plate 5, a lower end of the bottom plate 5 is fixedly connected to two groups of moving wheels 6, an upper end of the bearing plate 1 is fixedly connected to a gantry 7, a top end of the gantry 7 is fixedly connected to a control box 8, and two groups of hydraulic cylinders 9 are fixedly installed on the inner upper surface of the gantry 7. The output end of the hydraulic cylinder 9 is fixedly connected to a movable plate 10, and the hydraulic cylinder 9 is used to drive the drill rig to move downward so that the drill rod 22 contacts the rock to perform excavation operations. A driving device 13 is fixedly installed on the middle upper end of the movable plate 10, and a fixing seat 14 is fixedly connected to the lower end of the driving device 13. A hollow rod 23 is fixedly connected to the lower end of the other side of the load-bearing plate 1, and a support rod 28 is arranged inside the hollow rod 23. A mounting frame 29 is movably installed on the lower end surface of the support rod 28, and a control panel 33 is fixedly installed on the surface of one side of the gantry 7.

[0025] like Figure 2 , Figure 3 As shown, the utility model provides a technical solution: preferably, the two ends of the movable plate 10 are fixedly connected to the limiting blocks 11, and the inner walls at both ends of the gantry 7 are respectively provided with limiting grooves 12, and the movable plate 10 slides in the limiting grooves 12 on the inner wall of the gantry 7 through the limiting blocks 11.

[0026] A support 15 is fixedly connected to the lower end of the fixed seat 14, a slider 16 is movably installed on one side surface of the support 15, a fixing screw 17 is inserted into the other side surface of the support 15, a hexagonal slot 18 is provided at the lower end of the support 15, a movable clamping column 19 is movably installed on the inner wall of the hexagonal slot 18, the movable clamping column 19 is connected to the slider 16, a hexagonal plug-in 20 is inserted into the inside of the hexagonal slot 18, a clamping groove 21 is provided on the outer wall of the hexagonal plug-in 20, a drill rod 22 is fixedly connected to the lower end of the hexagonal plug-in 20, the hexagonal plug-in 20 is inserted into the inside of the hexagonal slot 18 by plugging, and the movable clamping column 19 is driven to retract and engage with the clamping groove 21 on the outer wall of the hexagonal plug-in 20 by pushing the slider 16, so that the staff can disassemble and install it conveniently, and then the fixing screw 17 can be further fixed and disassembled by rotating it, so as to facilitate the replacement and installation of the drill rod 22.

[0027] like Figure 4 As shown, the utility model provides a technical solution: preferably, the inner upper surface of the hollow rod 23 is movably connected with the threaded rod 24, and the support rod 28 is installed on the threaded rod 24 by threading. The internal structure of the hollow rod 3 is the same as the internal structure of the hollow rod 23, and the structure of the support rod 4 is the same as the structure of the support rod 28. The surface of the threaded rod 24 is fixedly connected with the first gear 25, and the surface of the hollow rod 23 is movably connected with the adjusting handle 26, and one end of the adjusting handle 26 is fixedly connected with the second gear 27. The first gear 25 is meshingly connected with the second gear 27, and the second gear 27 is driven to rotate by rotating the adjusting handle 26. Since the second gear 27 is meshingly connected with the first gear 25, the adjusting handle 26 can drive the threaded rod 24 to rotate when it is rotated, so that the support rod 28 threadedly sleeved with the threaded rod 24 extends and the supporting leg is extended, so that the height of the device can be adjusted according to the usage.

[0028] like Figure 5 As shown, the utility model provides a technical solution: preferably, a positioning bolt 30 is inserted into one side of the mounting frame 29, two groups of positioning holes 31 are opened on the surface of the support rod 28, and a roller 32 is fixedly connected to the lower end of the other side of the mounting frame 29. The number of the mounting frame 29, the positioning bolt 30 and the roller 32 are all three groups. The positioning bolt 30 is connected to the positioning hole 31 reserved in the support rod 28 by a snap-fit ​​method, so that the roller 32 at the other end of the mounting frame 29 has a lifting function and can also be stored.

[0029] The following is a detailed description of the working principle of the rotary drilling rig used for rock drilling construction.

[0030] like Figure 1-5As shown, when the rotary drilling rig used for rock drilling construction is in use, the hydraulic cylinder 9 is used to drive the drilling rig to move downward, so that the drill rod 22 contacts the rock to perform excavation operations. Secondly, since the connection between the drill rod 22 and the driving device 13 is detachable, the hexagonal plug 20 is inserted into the hexagonal slot 18 by plugging, and the movable clamping column 19 is driven to extend and retract by pushing the slider 16 and engage with the clamping groove 21 on the outer wall of the hexagonal plug 20, which is convenient for workers to disassemble and install it. Subsequently, the fixing screw 17 can be further fixed and disassembled by rotating it, so as to facilitate the replacement and installation of the drill rod 22 and increase the convenience of the device. The second gear 27 is driven to rotate by rotating the adjusting handle 26. Since the second gear 27 is meshed and connected with the first gear 25, the second gear 27 is engaged with the first gear 25. The adjustable handle 26 can drive the threaded rod 24 to rotate when it is turned, so that the support rod 28 threadedly sleeved with the threaded rod 24 can be extended and the support leg can be extended, which is convenient for adjusting the height of the device according to the usage situation, increasing the flexibility of the device, and by inserting the positioning bolt 30 at one end of the mounting frame 29, the position of the mounting frame 29 can be moved and adjusted according to the usage requirements, and the positioning bolt 30 is connected to the positioning hole 31 reserved for the support rod 28 by a snap-on method, so that the roller 32 at the other end of the mounting frame 29 has a lifting effect, and the roller 32 can be stored at the same time. During use, the mounting frame 29 is moved up to facilitate the stable contact between the device and the excavation ground. After use, the mounting frame 29 is moved down to facilitate the movement of the device, thereby increasing the practicality of the structure.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A rotary drilling rig for rock drilling, comprising a bearing plate (1), characterized in that: One end of the load-bearing plate (1) is fixedly connected to a handrail (2); the lower end of one side of the load-bearing plate (1) is fixedly connected to a hollow rod (3); the lower end of the hollow rod (3) is provided with a support rod (4); the lower end of the support rod (4) is fixedly connected to a base plate (5); the lower end of the base plate (5) is fixedly connected to two sets of moving wheels (6); the upper end of the load-bearing plate (1) is fixedly connected to a gantry (7); the top end of the gantry (7) is fixedly connected to a control box (8); and two sets of hydraulic cylinders (9) are fixedly mounted on the inner upper surface of the gantry (7). ), the output ends of the two groups of hydraulic cylinders (9) are fixedly connected to a movable plate (10), a driving device (13) is fixedly installed at the middle upper end of the movable plate (10), and a fixing seat (14) is fixedly connected to the lower end of the driving device (13), and a hollow rod (23) is fixedly connected to the lower end of the other side of the load-bearing plate (1), a supporting rod (28) is arranged inside the hollow rod (23), and a mounting frame (29) is movably installed on the lower end surface of the supporting rod (28), and a control panel (33) is fixedly installed on the surface of one side of the gantry (7).

2. A rotary drilling rig for rock drilling according to claim 1, characterized in that: The two ends of the movable plate (10) are fixedly connected to limit blocks (11), and the inner walls at both ends of the gantry (7) are respectively provided with limit grooves (12), and the movable plate (10) slides in the limit grooves (12) on the inner wall of the gantry (7) through the limit blocks (11).

3. A rotary drilling rig for rock drilling according to claim 1, characterized in that: The lower end of the fixed seat (14) is fixedly connected to a support (15); a sliding block (16) is movably mounted on one side surface of the support (15); a fixing screw (17) is inserted into the other side surface of the support (15); and a hexagonal slot (18) is provided at the lower end of the support (15).

4. A rotary drilling rig for rock drilling according to claim 3, characterized in that: A movable clamping column (19) is movably mounted on the inner wall of the hexagonal slot (18), and the movable clamping column (19) is connected to the slider (16). A hexagonal plug-in unit (20) is inserted into the interior of the hexagonal slot (18), and a clamping groove (21) is formed on the outer wall of the hexagonal plug-in unit (20). A drill rod (22) is fixedly connected to the lower end of the hexagonal plug-in unit (20).

5. The rotary drilling rig for rock drilling according to claim 1, characterized in that: The inner upper surface of the second hollow rod (23) is movably connected to a threaded rod (24), and the second support rod (28) is installed on the threaded rod (24) by means of threads. The internal structure of the first hollow rod (3) is the same as the internal structure of the second hollow rod (23), and the structure of the first support rod (4) is the same as the structure of the second support rod (28).

6. A rotary drilling rig for rock drilling according to claim 5, characterized in that: The surface of the threaded rod (24) is fixedly connected to the first gear (25), the surface of the second hollow rod (23) is movably connected to an adjusting handle (26), one end of the adjusting handle (26) is fixedly connected to the second gear (27), and the first gear (25) is meshingly connected to the second gear (27).

7. The rotary drilling rig for rock drilling according to claim 1, characterized in that: A positioning bolt (30) is inserted into one side of the mounting frame (29), and two groups of positioning holes (31) are formed on the surface of the second support rod (28).

8. A rotary drilling rig for rock drilling according to claim 7, characterized in that: A roller (32) is fixedly connected to the lower end of the other side of the mounting frame (29), and the mounting frame (29), the positioning bolt (30) and the roller (32) are each provided in three sets.

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