A rotary drilling rig auxiliary positioning and correction device

Abstract

This utility model relates to the field of auxiliary positioning technology for rotary drilling rigs, and more particularly to an auxiliary positioning and correction device for rotary drilling rigs. This utility model provides such an auxiliary positioning and correction device for rotary drilling rigs, including a support plate, a connecting plate, a constraint cylinder, a fixing plate, and fixing bolts. A connecting plate is fixedly connected to the inner side of the support plate. The constraint cylinder is placed on both connecting plates. Two fixing plates are fixedly connected to the upper end of each constraint cylinder. The connecting plate is located between the two fixing plates, and fixing bolts are inserted into the fixing plates. When correction is needed for drill rods of different sizes, first pull out the fixing parts, then loosen the bolts on both sides, and remove the support plate so that the connecting plate is no longer located between the two fixing plates, thereby releasing the fixation of the constraint cylinder. Subsequently, a suitable constraint cylinder is replaced, and the device is reinstalled and fixed, thus ensuring that the device maintains a highly efficient and stable working state under different drill rod sizes, improving the device's utilization efficiency.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary positioning technology for rotary drilling rigs, and in particular to an auxiliary positioning and correction device for rotary drilling rigs. Background Technology

[0002] Rotary drilling rigs are technologically advanced, efficient, and environmentally friendly foundation construction machinery, mainly used in building construction, bridge engineering, water conservancy projects, and other fields to complete the drilling and grouting of cast-in-place piles. Their core function is to replace traditional, inefficient, and highly polluting equipment such as impact drills and rotary drills, becoming the absolute mainstay of pile foundation construction in modern high-rise buildings, cross-sea bridges, high-speed railways, and other large-scale projects.

[0003] Patent publication number CN213297847U specifically relates to an auxiliary positioning device for a rotary drilling rig. The device includes a support arm hinged to the drilling rig, a support plate disposed at the end of the support arm, and an adjusting hydraulic cylinder disposed between the support arm and the drilling rig for adjusting the position of the support arm. The support plate is provided with a fixing assembly for fixing the support plate to the ground. The fixing assembly includes a fixing sleeve vertically slidably connected to the support plate and a driving component disposed on the support plate for sliding the fixing sleeve. Although the aforementioned patent inserts the fixing sleeve into the soil, further reinforcing the support plate and reducing slippage of the support plate on the ground during drilling, as well as reducing drill bit misalignment and making the drilling process more stable, the fact that the fixing sleeve is directly fixed to the working end of the driving component prevents it from being replaced according to changes in drill rod size. This reduces the device's efficiency and applicability to some extent.

[0004] Therefore, a high-efficiency auxiliary positioning and correction device for rotary drilling rigs is needed. Utility Model Content

[0005] In order to overcome the shortcomings of existing patents, such as the inability to replace the fixed sleeve according to the change of drill rod size due to the direct fixing of the fixed sleeve to the working end of the drive component, which to some extent reduces the efficiency and applicability of the device, this utility model provides a high-efficiency drill rod rotary drilling rig auxiliary positioning and correction device.

[0006] This utility model provides the following technical solution: an auxiliary positioning and correction device for a rotary drilling rig, comprising a support plate, a connecting plate, a constraint cylinder, a fixing plate, fixing bolts, screw blocks, a handle, and fixing components. The connecting plate is fixedly connected to the inner side of the support plate, and the constraint cylinder is placed on both connecting plates. Two fixing plates are fixedly connected to the upper end of the constraint cylinder. The connecting plate is located between the two fixing plates. Fixing bolts are inserted into the fixing plates and penetrate through the connecting plates. Screw blocks are screwed onto the fixing bolts and are in close contact with the lower fixing plate. A handle is fixedly connected to the outer side of the support plate, and two fixing components are inserted into the lower end of the support plate.

[0007] Optionally, it also includes a limiting plate, a guide rod, a movable ring, a spring, and rollers. The limiting plate is fixedly connected to the rear side of the fixed plate, and a guide rod is fixedly connected to the top of the limiting plate. Two movable rings are slidably arranged on the guide rod, and two springs are sleeved on the guide rod. The two ends of the springs are respectively connected to the movable rings and the limiting plate. Multiple rollers are arranged inside the movable rings.

[0008] Optionally, it also includes an underground cylinder and a stabilizing plate, with the underground cylinder located at the bottom of the constraint cylinder via the stabilizing plate.

[0009] Optionally, it also includes an anti-slip mat, with the bottom of the support plate adhered to the anti-slip mat.

[0010] Optionally, it also includes a non-slip sleeve, which is fitted onto the handle.

[0011] Optionally, the inner wall of the constrained cylinder is provided with a wear-resistant lining.

[0012] Compared with the prior art, this utility model provides an auxiliary positioning and correction device for rotary drilling rigs, which has the following beneficial effects: 1. When it is necessary to correct the deviation of drill rods of different sizes, first pull out the fixing parts, then loosen the screw blocks on both sides, remove the support plate, so that the connecting plate is no longer located between the two fixing plates, thereby releasing the fixation of the constraint cylinder. Subsequently, replace the appropriate constraint cylinder and reinstall and fix it, thereby ensuring that the device can still maintain a highly efficient and stable working state under different drill rod sizes, and improving the efficiency of the device.

[0013] 2. The spring provides cushioning and self-adaptation, allowing the roller to adhere tightly to the drill rod surface and undergo elastic deformation. This generates a reaction force that pushes the drill rod back to the center position, achieving automatic correction and alignment. This enables better guidance of drill rods of different diameters or with slight wobbling, and maintains their stable descent.

[0014] 3. Before use, its lower part can be buried in the ground, and its upper part can be firmly connected to the bottom of the constraint cylinder through the stabilizing plate, which greatly enhances the overall anti-overturning ability and stability of the device. It is suitable for working conditions with extremely high positioning accuracy requirements or soft geological conditions. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a partial sectional view of the support plate, connecting plate, and constraint cylinder of this utility model.

[0017] Figure 3 This is a partial sectional view of the fixing bolt, handle, and anti-slip pad components of this utility model.

[0018] Figure 4 This is a partial sectional view of the limiting plate, guide rod, and spring components of this utility model.

[0019] Figure 5 This is a three-dimensional structural diagram of the components of this utility model, including the constraint cylinder, the underground cylinder, and the stabilizing plate.

[0020] Explanation of reference numerals in the attached drawings: 1: Support plate, 2: Connecting plate, 3: Constraint cylinder, 4: Fixing plate, 5: Fixing bolt, 6: Tightening block, 7: Handle, 8: Fixing component, 9: Anti-slip pad, 10: Anti-slip sleeve, 11: Limiting plate, 12: Guide rod, 13: Moving ring, 14: Spring, 15: Roller, 16: In-ground cylinder, 17: Stabilizing plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: An auxiliary positioning and correction device for a rotary drilling rig. Please refer to [link / reference]. Figures 1-5 The device includes a support plate 1, a connecting plate 2, a constraint cylinder 3, a fixing plate 4, fixing bolts 5, screw blocks 6, a handle 7, and fixing parts 8. The connecting plate 2 is fixedly connected to the inner side of the support plate 1. The constraint cylinder 3 is placed on both connecting plates 2. Two fixing plates 4 are fixedly connected to the upper end of the constraint cylinder 3. The connecting plate 2 is located between the two fixing plates 4. Fixing bolts 5 are inserted into the fixing plates 4 and pass through the connecting plates 2. Screw blocks 6 are screwed onto the fixing bolts 5 and are in close contact with the lower fixing plates 4. The handle 7 is fixedly connected to the outer side of the support plate 1. Two fixing parts 8 are inserted into the lower end of the support plate 1. Anti-slip pads 9 are glued to the bottom of the support plate 1 to increase friction with the ground and prevent the device from slipping. Anti-slip sleeves 10 are fitted on the handle 7 to improve the feel and safety during operation and prevent slippage. The inner wall of the constraint cylinder 3 is provided with a wear-resistant lining made of polyurethane or nylon material to reduce wear on the drill rod surface and extend its service life.

[0023] When this device is needed, move the constraint cylinder 3 directly above the drilling position. Then, move the two support plates 1 to both sides of the constraint cylinder 3, ensuring that the connecting plate 2 is accurately positioned between the two fixing plates 4. Next, pass the fixing bolts 5 through the mounting holes on the fixing plates 4 and the connecting plate 2 in sequence, and screw the screw blocks 6 into the ends of the bolts. By tightening the screw blocks 6 on both sides, make them make tight contact with the lower part of the fixing plate 4, thereby firmly clamping the constraint cylinder 3 onto the connecting plate 2. Finally, the two fixing parts 8 should be inserted into the ground to ensure the structural stability of the entire device. After installation, the device forms a rigid structure. The constraint frame effectively resists the huge vibrations and lateral forces generated during drilling, ensuring the continuous stability of the drill rod's deviation correction until the drilling operation reaches the predetermined depth. When it is necessary to correct the deviation of drill rods of different sizes, first pull out the fixing part 8, then loosen the screw blocks 6 on both sides, remove the support plate 1, so that the connecting plate 2 is no longer located between the two fixing plates 4, thereby releasing the fixation of the constraint cylinder 3. Subsequently, replace the appropriate constraint cylinder 3, and reinstall and fix it according to the above steps, thereby ensuring that the device can maintain a highly efficient and stable working state under different drill rod sizes, improving the efficiency of the device.

[0024] Example 2: Based on Example 1, please refer to... Figure 1 and Figure 4 It also includes a limiting plate 11, a guide rod 12, a moving ring 13, a spring 14, and rollers 15. The limiting plate 11 is fixedly connected to the rear side of the fixed plate 4. The guide rod 12 is fixedly connected to the top of the limiting plate 11. Two moving rings 13 are slidably arranged on the guide rod 12. Two springs 14 are sleeved on the guide rod 12. The two ends of the springs 14 are respectively connected to the moving rings 13 and the limiting plate 11. Four rollers 15 are arranged inside the moving rings 13.

[0025] During the lowering process, the drill rod gradually comes into contact with the roller 15. The rolling of the roller 15 greatly reduces frictional resistance, making it easier for the drill rod to slide down smoothly. When the drill rod deviates slightly, it will generate lateral pressure on the roller 15 at the contact point. The buffering and adaptive capability provided by the spring 14 allows the roller 15 to adhere tightly to the surface of the drill rod and undergo elastic deformation, thereby generating a reaction force that pushes the drill rod back to the center position, realizing automatic correction and centering. This allows for better guidance of drill rods of different diameters or those with slight wobbling, and maintains their stable lowering.

[0026] Please see Figure 1 and Figure 5 It also includes an underground cylinder 16 and a stabilizing plate 17. The underground cylinder 16 is installed at the bottom of the constraint cylinder 3 through the stabilizing plate 17.

[0027] To improve the device's resistance to overturning on soft or complex foundations, its lower part can be buried in the ground before use, and its upper part can be securely connected to the bottom of the constraint cylinder 3 through the stabilizing plate 17. This greatly enhances the overall resistance to overturning and stability of the device, making it suitable for working conditions with extremely high positioning accuracy requirements or soft geological conditions.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An auxiliary positioning and deviation rectifying device for a rotary drilling rig, characterized in that, It includes a support plate (1), a connecting plate (2), a constraint tube (3), a fixing plate (4), a fixing bolt (5), a screw block (6), a handle (7), and a fastener (8). The connecting plate (2) is fixedly connected to the inside of the support plate (1). The constraint tube (3) is placed on both connecting plates (2). The upper end of the constraint tube (3) is fixedly connected to two fixing plates (4). The connecting plate (2) is located between the two fixing plates (4). The fixing bolt (5) is inserted into the fixing plate (4). The fixing bolt (5) passes through the connecting plate (2). The screw block (6) is screwed onto the fixing bolt (5). The screw block (6) is in close contact with the lower fixing plate (4). The handle (7) is fixedly connected to the outside of the support plate (1). Two fasteners (8) are inserted into the lower end of the support plate (1).

2. The auxiliary positioning and deviation rectifying device of a rotary drilling rig according to claim 1, characterized in that, It also includes a limiting plate (11), a guide rod (12), a moving ring (13), a spring (14), and rollers (15). The limiting plate (11) is fixedly connected to the rear side of the fixed plate (4). The guide rod (12) is fixedly connected to the top of the limiting plate (11). Two moving rings (13) are slidably arranged on the guide rod (12). Two springs (14) are sleeved on the guide rod (12). The two ends of the springs (14) are connected to the moving rings (13) and the limiting plate (11) respectively. Multiple rollers (15) are arranged inside the moving rings (13).

3. The auxiliary positioning and deviation rectifying device of a rotary drilling rig according to claim 2, characterized in that, It also includes an underground cylinder (16) and a stabilizing plate (17), with the underground cylinder (16) installed at the bottom of the constraint cylinder (3) through the stabilizing plate (17).

4. The auxiliary positioning and deviation rectifying device of a rotary drilling rig according to claim 3, characterized in that, It also includes an anti-slip mat (9), and the bottom of the support plate (1) is glued with an anti-slip mat (9).

5. The auxiliary positioning and deviation rectifying device of a rotary drilling rig according to claim 4, characterized in that, It also includes an anti-slip sleeve (10), and the handle (7) is fitted with an anti-slip sleeve (10).

6. The auxiliary positioning and deviation rectifying device of a rotary drilling rig according to claim 5, characterized in that, It also includes a wear-resistant lining on the inner wall of the constrained cylinder (3).

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