Side digging device of rotary drilling rig

Abstract

The utility model discloses a side digging device of a rotary drilling rig, which comprises a supporting component, a side digging component, a side digging component and a side digging component, the adjusting component comprises a hydraulic rod, a telescopic rod, rotary discs, a lead screw, a nut, a supporting plate and a side digging cutter, the hydraulic rod is arranged at the top of the drilling tool cutter, the telescopic rod is arranged at the top of the hydraulic rod, the rotary discs are arranged at the top of the telescopic rod, and the lead screw is rotationally connected between the two rotary discs. According to the side digging device, the telescopic rod is driven to move through the adjusting component and the hydraulic rod, the height of the supporting plate and the height of the side digging cutting device can be rapidly adjusted according to the drilling position, the height of the side digging device is flexibly adjusted, and the side digging device is made to adapt to different working environments; and when the nut drives the side digging cutter to move up and down, the digging direction of the side digging cutter can be changed through rotation of the rotating shaft, so that the construction cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of rotary drilling equipment, specifically a side excavation device for a rotary drilling rig. Background Technology

[0002] In modern pile foundation engineering, pile formation methods are mainly divided into two types: precast piles and cast-in-place piles. Precast piles are foundation piles that have been prefabricated and driven into the ground using equipment. Precast piles are difficult to form, have low construction efficiency, and can significantly impact the surrounding ecological environment and residents' lives; therefore, they are rarely used on construction sites nowadays. Cast-in-place piles, on the other hand, are formed by casting concrete into a hole after drilling. Compared to precast piles, cast-in-place piles offer greater flexibility in size, can support larger loads per pile, and have a lower formation difficulty and higher construction efficiency. Due to these advantages, cast-in-place piles have become the mainstream pile formation method in modern pile foundation engineering and are widely used in high-rise buildings, bridge construction, and other projects. The widespread application of cast-in-place piles in earthmoving operations has also greatly promoted the development of pile driving machinery, with rotary drilling rigs being one of the most advanced pile driving machines currently available.

[0003] Rotary drilling rigs are mainly used for vertical drilling operations. They use a drill rod to drive the drill bit to rotate and cut through the rock and soil, bringing the drill cuttings out of the hole to complete the drilling. However, in actual engineering projects, such as drilling near existing structures during the construction of urban subway tunnels, lateral excavation to avoid underground pipelines during bridge pile foundation construction, or lateral drilling in confined spaces for building foundation reinforcement, conventional rotary drilling rigs are unable to meet construction needs due to their lack of lateral excavation capabilities. Utility Model Content

[0004] The purpose of this utility model is to provide a side-drilling device for rotary drilling rigs to solve the problems mentioned in the background art. To solve the above technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model relates to a side excavation device for a rotary drilling rig, comprising:

[0006] A support component, the support component including a housing and a drill bit cutter, the drill bit cutter being located at the bottom of the inner surface of the housing;

[0007] The adjusting component includes a hydraulic rod, a telescopic rod, a turntable, a lead screw, a nut, a support plate, and a side-dig cutter. The hydraulic rod is located on top of the drill cutter, the telescopic rod is located on top of the hydraulic rod, the turntable is located on top of the telescopic rod, the lead screw is rotatably connected between the two turntables, the nut is threaded onto the outer surface of the lead screw, and the side-dig cutter is located on both sides of the outer surface of the nut.

[0008] Furthermore, a rotating shaft is rotatably connected between the support plate and the side excavation cutter, and a motor is fixedly connected to the top of the upper turntable.

[0009] Furthermore, a support frame is fixedly connected between the two turntables, and the support plate is located on both sides of the outer surface of the telescopic rod.

[0010] Furthermore, grooves are formed on the outer surface of the outer shell, and the grooves are symmetrically distributed.

[0011] Furthermore, it also includes fixing components, which include a first support ring, a second support ring, and a support block. The first support ring and the second support ring are respectively fixed to one end of the support plate and the side excavation cut, and the first support ring and the second support ring are corresponding to each other. The support block is respectively fixed to both ends of the outer surface of the first support ring and the second support ring.

[0012] Furthermore, the support block has a socket in the middle, and a plug rod is inserted into the socket.

[0013] Furthermore, the outer surface of the insertion rod is threaded with an internal threaded ring, which is tightly fitted to the outside of the support block.

[0014] This utility model has the following beneficial effects:

[0015] This invention, through its adjustable components, allows the hydraulic rod to drive the telescopic rod to move, enabling rapid and flexible adjustment of the support plate and side excavation cutting height according to the drilling position. This allows for flexible adjustment of the side excavation device's height to adapt to different working environments. The side excavation cutting and support plate are connected by a rotating shaft. While the nut drives the side excavation cutting to move up and down, the rotation of the rotating shaft can change the excavation direction of the side excavation cutting, enabling the excavation of holes of different sizes. In actual construction, whether it is for fine excavation of smaller diameter holes or rapid excavation of larger diameter holes, it avoids the problem of frequent equipment replacement due to the single function of the equipment, thus reducing construction costs. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the outer shell of this utility model;

[0018] Figure 2 This is a schematic diagram of the drilling tool cutting and side excavation cutting of this utility model;

[0019] Figure 3 This is a schematic diagram of the support plate and the side excavation section after disassembly of this utility model.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 11. Outer shell; 12. Drill tool cutting; 13. Trench;

[0022] 21. Hydraulic rod; 22. Telescopic rod; 23. Turntable; 24. Lead screw; 25. Nut; 26. Support plate; 27. Rotary shaft; 28. Support frame; 29. ​​Side excavation and cutting device; 291. Motor;

[0023] 31. Support ring one; 32. Support ring two; 33. Support block; 34. Insertion hole; 35. Insertion rod; 36. Internal threaded ring. Detailed Implementation

[0024] 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.

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0026] Please see Figure 1 , Figure 2 As shown, this utility model is a side excavation device for a rotary drilling rig, comprising:

[0027] A support component, the support component including a housing 11 and a drill bit cutter 12, the drill bit cutter 12 being located at the bottom of the inner surface of the housing 11;

[0028] The adjusting component includes a hydraulic rod 21, a telescopic rod 22, a turntable 23, a lead screw 24, a nut 25, a support plate 26, and a side-digging cutter 29. The hydraulic rod 21 is located on top of the drill cutter 12, the telescopic rod 22 is located on top of the hydraulic rod 21, the turntable 23 is located on top of the telescopic rod 22, the lead screw 24 is rotatably connected between the two turntables 23, the nut 25 is threadedly connected to the outer surface of the lead screw 24, and the side-digging cutter 29 is located on both sides of the outer surface of the nut 25.

[0029] The hydraulic rod 21 drives the telescopic rod 22 to move, which can quickly and easily adjust the height of the support plate 26 and the side excavation cutter 29 according to the drilling position. The height of the side excavation device can be flexibly adjusted to adapt to different working environments. The side excavation cutter 29 and the support plate 26 are connected by a rotating shaft 27. While the nut 25 drives the side excavation cutter 29 to move up and down, the digging direction of the side excavation cutter 29 can be changed by rotating the rotating shaft 27, so as to excavate holes of different sizes. In actual construction, whether it is fine excavation of smaller diameter holes or rapid excavation of larger diameter holes, it avoids the problem of frequent replacement of construction equipment due to the single function of the equipment, and reduces construction costs.

[0030] A rotating shaft 27 is rotatably connected between the support plate 26 and the side excavation and cutting 29, and a motor 291 is fixedly connected to the top of the upper turntable 23;

[0031] The support plate 26 and the side excavation cutter 29 can be rotated via the rotating shaft 27 to adjust the size of the side excavation hole.

[0032] A support frame 28 is fixedly connected between the two turntables 23, and the support plate 26 is located on both sides of the outer surface of the telescopic rod 22.

[0033] The outer surface of the outer shell 11 is provided with grooves 13, which are symmetrically distributed;

[0034] The support plate 26 and the side excavation cutter 29 pass through the trench 13 to carry out side excavation work.

[0035] Working principle: Before the rotary drilling rig performs side excavation, the construction personnel first activate the hydraulic rod 21 control system according to the actual situation of the drilling position at the construction site. The hydraulic rod 21 generates thrust or pull force, which drives the telescopic rod 22 to move telescopically. Since the telescopic rod 22 is connected to the support plate 26, the height of the support plate 26 can be adjusted. At the same time, the side excavation cutter 29 is installed on the support plate 26. As the height of the support plate 26 changes, the side excavation cutter 29 is also adjusted to a suitable working height to prepare for the side excavation work.

[0036] When side excavation work needs to begin, the operator starts the motor 291. The power output of the motor 291 is transmitted to the turntable 23, causing the turntable 23 to rotate. Since the turntable 23 is fixedly connected to the lead screw 24, the rotation of the turntable 23 synchronously drives the lead screw 24 to rotate. During the rotation of the lead screw 24, the nut 25, which is engaged with the lead screw 24, moves up and down along the lead screw 24 under the action of thread transmission. Because the nut 25 is connected to the side excavation cutter 29, the movement of the nut 25 can drive the side excavation cutter 29 to move up and down, realizing the vertical position adjustment of the side excavation cutter 29 to adapt to the side excavation requirements of different depths.

[0037] Throughout the entire operation, the various components work together, and through the coordinated operation of the hydraulic rod 21, motor 291, lead screw 24, nut 25 transmission, and rotating shaft 27, the side excavation device can efficiently and accurately complete the side excavation task.

[0038] Please see Figure 1 , Figure 3 As shown, this embodiment, based on the above embodiment, further includes:

[0039] The fixing component includes a first support ring 31, a second support ring 32, and a support block 33. The first support ring 31 and the second support ring 32 are respectively fixed to one end of the support plate 26 and the side excavation cut 29, and the first support ring 31 and the second support ring 32 correspond to each other. The support block 33 is respectively fixed to both ends of the outer surface of the first support ring 31 and the second support ring 32.

[0040] Support ring 1 31 and support ring 2 32 are respectively clamped to the outside of nut 25 and telescopic rod 22, which facilitates the installation and disassembly of support plate 26 and side excavation cutting 29.

[0041] The support block 33 has a socket 34 in the middle, and a plug rod 35 is inserted into the socket 34.

[0042] The outer surface of the insertion rod 35 is threaded with an internal threaded ring 36, which is fastened to the outside of the support block 33.

[0043] Insert the insertion rod 35 into the insertion hole 34, and rotate the internal threaded ring 36 to fix the insertion rod 35.

[0044] Working principle: During the installation of the side excavation device of the rotary drilling rig, the unique clamping design of support ring 1 31 and support ring 2 32 enables the rapid assembly of support plate 26, side excavation cutter 29, and core transmission components. Support ring 1 31 and support ring 2 32 correspond to the outer contours of nut 25 and telescopic rod 22, respectively. They are respectively fitted onto nut 25 and telescopic rod 22 to form a tight clamping state. This structural design cleverly connects the up-and-down movement power of nut 25 and the height adjustment function of telescopic rod 22 with support plate 26 and side excavation cutter 29. At the same time, due to the clamping method of the support rings, there is no need for complicated welding or riveting processes, which greatly facilitates the subsequent installation and disassembly of support plate 26 and side excavation cutter 29, and reduces the difficulty of equipment maintenance and component replacement.

[0045] After the support plate 26 and the side excavation cutter 29 are installed in place, a fixing operation is required to ensure the stability of the connection. At this time, the insertion rod 35 is inserted into the insertion hole 34 pre-set on the corresponding component. The insertion rod 35 is a key component connecting the support plate 26, the side excavation cutter 29 and the support ring structure, initially restricting the relative movement between the components. Subsequently, the internal threaded ring 36 is rotated, and the internal threaded ring 36 cooperates with the insertion rod 35 with external threads. As the internal threaded ring 36 rotates, it moves axially along the insertion rod 35 and gradually presses against the surrounding components. Through the tightening force generated by the threaded transmission, the internal threaded ring 36 firmly fixes the insertion rod 35, thereby forming a stable overall structure for the support plate 26, the side excavation cutter 29, the support ring, the nut 25, the telescopic rod 22 and other components.

[0046] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A side excavation device for a rotary drilling rig, characterized in that, include: A support component, the support component including a housing (11) and a drill bit cutter (12), the drill bit cutter (12) being located at the bottom of the inner surface of the housing (11); The adjusting component includes a hydraulic rod (21), a telescopic rod (22), a turntable (23), a lead screw (24), a nut (25), a support plate (26), and a side-drilling cutter (29). The hydraulic rod (21) is located on top of the drill cutter (12), the telescopic rod (22) is located on top of the hydraulic rod (21), the turntable (23) is located on top of the telescopic rod (22), the lead screw (24) is rotatably connected between the two turntables (23), the nut (25) is threadedly connected to the outer surface of the lead screw (24), and the side-drilling cutter (29) is located on both sides of the outer surface of the nut (25).

2. The side excavation device for a rotary drilling rig according to claim 1, characterized in that: A rotating shaft (27) is rotatably connected between the support plate (26) and the side excavation cutter (29), and a motor (291) is fixedly connected to the top of the upper turntable (23).

3. The side excavation device for a rotary drilling rig according to claim 1, characterized in that: A support frame (28) is fixedly connected between the two turntables (23), and the support plate (26) is located on both sides of the outer surface of the telescopic rod (22).

4. The side excavation device for a rotary drilling rig according to claim 1, characterized in that: The outer surface of the outer shell (11) is provided with grooves (13), and the grooves (13) are symmetrically distributed.

5. The side excavation device for a rotary drilling rig according to claim 1, characterized in that: It also includes fixing components, which include a first support ring (31), a second support ring (32), and a support block (33). The first support ring (31) and the second support ring (32) are respectively fixed to one end of the support plate (26) and the side excavation cutter (29). The first support ring (31) and the second support ring (32) correspond to each other. The support block (33) is fixed to both ends of the outer surface of the first support ring (31) and the second support ring (32).

6. The side excavation device for a rotary drilling rig according to claim 5, characterized in that: The support block (33) has a socket (34) in the middle, and a plug rod (35) is inserted into the socket (34).

7. A side excavation device for a rotary drilling rig according to claim 6, characterized in that: The outer surface of the insert (35) is threaded with an internal threaded ring (36), which is fastened to the outside of the support block (33).

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