An anchor drilling rig

Abstract

The present invention provides an anchor drilling rig comprising a main mast, an extension mast, and an anchoring mechanism. The extension mast is configured to selectively connect to the main mast to form an extension mast mechanism, and the anchoring mechanism is configured to connect to either the main mast or the extension mast mechanism. The anchor drilling rig features both a standard anchoring mode and an extended anchoring mode, enabling it to meet drilling requirements of varying depths, improving equipment utilization and reducing construction costs. This overcomes the drawback of single anchor drilling rigs, which suffer from poor adaptability due to their relatively fixed drilling depth.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering machinery, in particular to an anchor drilling rig. Background Art

[0002] In construction pit support and slope engineering, anchor rods are often embedded in rock and soil to anchor the rock and soil. This helps to increase its inherent strength and stability, preventing geological disasters such as collapse, rockfall, and landslides. Currently, the mainstream equipment used for anchoring is the anchor drill, which can be used to drill holes into the rock and soil to insert the anchor rods.

[0003] However, due to the varying construction environments faced by different projects, drilling requirements also change accordingly. Existing anchor drilling rigs typically have a relatively fixed drilling depth, so a single anchor drilling rig often cannot meet the various drilling depth requirements. This often necessitates replacing a different drilling rig, which not only reduces the utilization of a single rig but also significantly increases costs. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects of the anchor drilling rig in the prior art that it cannot meet multiple drilling requirements at the same time and the equipment utilization rate is low, thereby providing an anchor drilling rig.

[0005] To solve the above problems, the present invention provides an anchor drilling rig comprising a main mast, an extension mast, and an anchoring mechanism, wherein the extension mast is configured to be selectively connected to the main mast to form an extension mast mechanism; and the anchoring mechanism is configured to be connected to the main mast or the extension mast mechanism.

[0006] Optionally, a first connecting structure is provided at the upper end of the main mast, and a second connecting structure is provided at the lower end of the main mast; the extension mast is configured to be selectively connected to the main mast through the first connecting structure or the second connecting structure to form an extension mast mechanism.

[0007] Optionally, when the angle between the main mast and the ground is greater than 45° and not greater than 90°, the extension mast is configured to be selectively connected to the main mast via the first connection structure.

[0008] Optionally, when the angle between the main mast and the ground is not greater than 45° and not less than 0°, the extension mast is configured to be selectively connected to the main mast via the second connection structure.

[0009] Optionally, the extension mast is configured to be selectively foldably connected to the main mast via the first connection structure or the second connection structure.

[0010] Optionally, the anchoring mechanism includes an anchoring drill tool and an anchoring pulley frame, the anchoring pulley frame is detachably connected to the upper end of the main mast or the upper end of the extended mast mechanism, and a first pulley is provided on the anchoring pulley frame, and the first pulley is located on the extension line of the main mast; the anchoring drilling rig also includes a main winch and a first connecting rope, one end of the first connecting rope is connected to the main winch, and the other end of the first connecting rope passes around the first pulley and is connected to the anchoring drill tool to lift the anchoring drill tool.

[0011] Optionally, the anchoring mechanism further includes a grouting assembly, which is detachably connected to the anchoring drill tool.

[0012] Optionally, the anchor drilling rig further comprises an auxiliary winch and a second connecting rope, and the auxiliary winch is connected to the anchor drilling tool via the second connecting rope to provide pressure.

[0013] Optionally, the anchor drilling rig further includes a crawler traveling mechanism and a vehicle body, the vehicle body is rotatably connected to the top of the crawler traveling mechanism, and the main mast is connected to the vehicle body.

[0014] Optionally, the anchor drilling rig further includes a mast cylinder and a luffing mechanism, wherein the mast cylinder includes a cylinder body and a telescopic rod, the telescopic rod being connected to the main mast; and the luffing mechanism having one end connected to the vehicle body and the other end connected to the main mast and the cylinder body, respectively.

[0015] The present invention has the following advantages:

[0016] 1. Connecting the anchoring mechanism directly to the main mast can put the drilling rig into standard anchoring mode; connecting the anchoring mechanism to the extended mast mechanism formed by connecting the main mast and the extension mast can put the drilling rig into extended anchoring mode, increasing the drilling depth, meeting more drilling needs, improving equipment utilization and reducing construction costs.

[0017] 2. The main mast can be connected to the extension mast through the first connection structure to achieve top lengthening; the main mast can also be connected to the extension mast through the second connection structure to achieve bottom lengthening, and the lengthening method is more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It shows a structural schematic diagram of a drilling rig in a standard anchoring mode provided by the present invention;

[0020] Figure 2It shows a structural schematic diagram of a drilling rig in a top lengthened anchoring mode provided by the present invention;

[0021] Figure 3 Shown Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 It shows a structural schematic diagram of a drilling rig in a bottom lengthened anchoring mode provided by the present invention;

[0023] Figure 5 Shown Figure 4 Schematic diagram of the enlarged structure at B in the middle;

[0024] Figure 6 A schematic structural diagram of an extended mast in a drilling rig provided by the present invention is shown;

[0025] Figure 7 A schematic structural diagram of an anchor pulley frame in a drilling rig provided by the present invention is shown;

[0026] Figure 8 A schematic structural diagram of an anchoring mast in a drilling rig provided by the present invention is shown;

[0027] Figure 9 A schematic structural diagram of another main mast and extension mast connection provided by the present invention is shown;

[0028] Figure 10 A schematic structural diagram of the drilling rig in the transport state provided by the present invention is shown.

[0029] Description of reference numerals:

[0030] 10. Main mast; 11. First connecting structure; 12. Second connecting structure; 13. Pin; 20. Extended mast; 21. First matching flange; 22. Second matching flange; 30. Anchor mechanism; 31. Anchor drill tool; 311. Anchor power head; 312. Auger rod; 313. Guide casing; 32. Anchor pulley frame; 321. First pulley; 33. Grouting assembly; 331. Grouting hose; 33 2. Grouting elbow; 34. Anchoring mast; 341. Third matching flange; 342. Fourth matching flange; 343. Second pulley; 40. Main winch; 50. First connecting rope; 60. Auxiliary winch; 70. Second connecting rope; 80. Crawler-type walking mechanism; 90. Vehicle body; 91. Getting on platform; 92. Cab; 100. Mast cylinder; 101. Cylinder body; 102. Telescopic rod; 110. Booming mechanism. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0034] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] like Figures 1-6 As shown, this embodiment provides an anchor drilling rig comprising a main mast 10, an extension mast 20, and an anchoring mechanism 30. The extension mast 20 can be selectively connected to the main mast 10 to form an extension mast mechanism. The anchoring mechanism 30 can be selectively connected to either the main mast 10 or the extension mast mechanism.

[0036] According to the above settings, refer to Figure 1 , so that the anchoring mechanism 30 is directly connected to the main mast 10, the anchor drilling rig can enter the standard anchoring mode, that is, become an anchor drilling rig; Figure 2 or Figure 4 By connecting the anchoring mechanism 30 with the extended mast mechanism, the anchoring drilling rig can enter the extended anchoring mode, increase the drilling depth, thereby meeting the drilling needs of more depths, improving equipment utilization and reducing costs.

[0037] In terms of specific parameters, the anchor drilling rig provided in this embodiment has a drilling depth of 0-12m in standard anchoring mode. When the main mast 10 is tilted at an angle of 15°-45° relative to the ground, the maximum drilling diameter can reach 120mm-150mm. When the main mast 10 is perpendicular to the ground, the maximum drilling diameter can reach 200mm. The extension mast 20 is preferably 3m long. By connecting the main mast 10 to the extension mast 20, the maximum drilling depth of the anchor drilling rig in extended anchoring mode can reach 15m.

[0038] In this embodiment, Figure 2 As shown, a first connecting structure 11 is provided at the upper end of the main mast 10, and the extension mast 20 can be connected to the main mast 10 through the first connecting structure 11 to form an extension mast mechanism to achieve top extension. Figure 4 As shown, a second connecting structure 12 is provided at the lower end of the main mast 10, and the extension mast 20 can also be connected to the main mast 10 through the second connecting structure 12 to form an extension mast mechanism to achieve bottom lengthening, and the overall lengthening method is more flexible.

[0039] Preferably, when the angle between the main mast 10 and the ground is greater than 45° and not greater than 90°, the long mast 20 can be optionally connected to the main mast 10 through the first connecting structure 11 to achieve top lengthening.

[0040] refer to Figure 2 When the angle between the main mast and the ground is greater than 45° and not greater than 90°, because the distance between the main mast 10 and the ground is small, if the extension mast 20 is added to the lower part of the main mast 10, the bottom of the extension mast 20 will touch the ground, and the entire extension mast mechanism cannot stand upright. Therefore, it is suitable to choose to install the extension mast 20 to the top of the main mast 10, that is, to extend the top.

[0041] Preferably, when the angle between the main mast 10 and the ground is not greater than 45° and not less than 0°, the extension mast 20 can be optionally connected to the main mast 10 through the second connection structure 12 to achieve bottom extension.

[0042] refer to Figure 4 When the angle between the main mast 10 and the horizontal is no greater than 45° and no less than 0°, the distance between the main mast 10 and the ground is relatively large, so it is appropriate to install the extension mast 20 at the bottom of the main mast 10, i.e., perform bottom extension. In this case, the bottom extension also shifts the center of gravity of the anchor drilling rig forward, preventing the rig from tipping over.

[0043] Of course, in other embodiments, the top or bottom extension can be selected according to actual conditions. For example, when the angle between the main mast 10 and the horizontal direction is not greater than 45° and not less than 0°, if the top extension can still maintain the overall gravity balance of the anchor drilling rig, then the top extension can be selected.

[0044] In this embodiment, the first connection structure 11 includes a first docking flange with a first connection hole for enabling flange connection at the top of the main mast 10, ensuring convenient and stable mast connection. The second connection structure 12 includes a second docking flange with a second connection hole for enabling flange connection at the bottom of the main mast 10.

[0045] like Figure 7 As shown, a first mating flange 21 is formed at the upper end of the extension mast 20, and a second mating flange 22 is formed at the lower end of the extension mast 20. The first mating flange 21 can be docked with the first docking flange to directly mount the extension mast 20 on the top of the main mast 10; the second mating flange 22 can be docked with the second docking flange to directly mount the extension mast 20 on the bottom of the main mast 10.

[0046] It should be noted that, when the extension mast 20 is actually connected, the position setting of the extension mast 20 is relatively flexible, and it can be directly connected to the main mast 10 or indirectly connected to the main mast 10 .

[0047] On the one hand, reference Figure 2 and Figure 3 , an anchoring mast 34 is provided in the anchoring mechanism 30, and the extension mast 20 is connected to the top of the main mast 10 via the anchoring mast 34. More specifically, as Figure 8 As shown, the lower end of the anchor mast 34 is formed with a third matching flange 341, and the upper end of the anchor mast 34 is formed with a fourth matching flange 342. The first matching flange is connected to the third matching flange 341, and the fourth matching flange 342 is connected to the first matching flange 21 to achieve top extension. Figure 4 and Figure 5 The extension mast 20 is directly connected to the bottom of the main mast 10 to achieve bottom extension.

[0048] In this embodiment, the main mast 10, extension mast 20 and anchor mast 34 are all configured as rectangular tube-box structures, which are compact, strong and lightweight, ensuring the stability of the entire machine. Preferably, the side length of the mast is 350mm-400mm.

[0049] In another embodiment, in addition to being fixed by the flange structure, the masts can also be foldably connected, such as setting a first connection structure 11 and an extension mast 20 to be foldably connected, and setting a second connection structure 12 and an extension mast 20 to be foldably connected. Figure 9 , a pin 13 can be set at the end of the main mast 10. When the main mast 10 and the extension mast 20 are docked, three sides of each mast are fixedly connected by the flange structure, which is firmly installed and not easy to shake; each mast also has one side hinged by the pin 13. After removing the flange bolts, the two masts can be folded and stored by rotating the pin 13, so that they can be quickly installed during the next work. The above structure is mainly suitable for situations where the overall transportation length of the anchor drilling rig is limited. In this case, the shorter masts at the top or bottom do not need to be removed.

[0050] Next, the anchoring mechanism 30 will be further introduced.

[0051] For the anchoring mechanism 30, Figure 1 As shown, it includes an anchor drilling tool 31 and an anchor pulley frame 32. The anchor pulley frame 32 is detachably connected to the upper end of the main mast 10 or the upper end of the extended mast mechanism to be installed on the anchor drilling rig. Figure 1 and Figure 8 A first pulley 321 is provided on the anchoring pulley frame 32, and the first pulley 321 is located on the extension line of the main mast 10. In this embodiment, the total length of the anchoring pulley frame 32 is about 2m.

[0052] Preferably, the weight of the anchor pulley frame 32, the extension mast 20, the anchor mast 34 and the main mast 10 increases in sequence, so that when the top of the anchor drilling rig is lengthened, the center of gravity is moved downward as much as possible, which is conducive to maintaining the balance of the anchor drilling rig.

[0053] The anchor drilling rig further includes a main winch 40 and a first connecting rope 50 . One end of the first connecting rope 50 is connected to the main winch 40 , and the other end of the first connecting rope 50 passes around the first pulley 321 and is connected to the anchor drilling tool 31 to lift the anchor drilling tool 31 .

[0054] For anchor drill 31, refer to Figure 1 The anchoring tool 31 is comprised of an anchoring power head 311, an auger rod 312, and a guide casing 313. The anchoring power head 311 is connected to the top of the auger rod 312 via a flange to drive the auger rod 312; the guide casing 313 is sleeved over the bottom of the auger rod 312 to guide it. A first connecting rope 50 passes over a first pulley 321 and connects to the top of the anchoring power head 311 to lift the anchoring tool 31.

[0055] At this time, since the first connecting rope 50 can be connected to the side of the anchoring power head 311 close to the main mast 10, there is no need to reserve too much rope winding space for the first connecting rope 50. Setting a first pulley 321 can ensure the normal winding installation of the first connecting rope 50, and the structure is compact.

[0056] refer to Figure 1 The anchor drilling rig further includes an auxiliary winch 60 and a second connecting rope 70. The auxiliary winch 60 is connected to the anchor drilling tool 31 via the second connecting rope 70 to provide pressure. Figure 9 A second pulley 343 is provided on the anchoring mast 34, and the second connecting rope 70 passes around the second pulley 343 and is connected to the lower part of the anchoring power head 311 to provide pressure.

[0057] In this embodiment, when the anchor drilling rig is extended from the top, the anchoring power head 311 is installed from the bottom. That is, when the main mast 10 is in the upright position, the limit block at the bottom of the main mast 10 is removed, and the anchoring power head 311 is passed through the slide rail from the bottom of the main mast 10. The anchoring power head 311 is hoisted by a crane and then connected to the first connecting rope 50 and the second connecting rope 70. When the anchor drilling rig is extended from the bottom, the anchoring power head 311 is first installed in the upright position, and then the first connecting rope 50 is connected to the lifting point at the top of the anchoring power head 311. After the main mast 10 is lowered, the extension mast 20 is installed.

[0058] For example, the torque of the anchoring power head 311 is 100 kN·m-180 kN·m; the lifting force of the main winch 40 is 120 kN-180 kN; and the pressure provided by the auxiliary winch is 10 kN-50 kN. In terms of material, the first connecting rope 50 and the second connecting rope 70 are both steel wire ropes.

[0059] Optionally, the anchoring mechanism 30 further includes a grouting assembly 33 , which is detachably connected to the anchoring drill tool 31 for grouting work.

[0060] refer to Figure 1 The grouting assembly 33 includes a grouting hose 331 and a grouting elbow 332. The auger rod 312 is a hollow structure; one end of the grouting hose 331 is connected to a vehicle-mounted pump or a towed pump on the ground, and the other end is connected to the hollow part of the auger rod 312 through the grouting elbow 332 for grouting.

[0061] Furthermore, a return elbow is provided at the connection between the grouting elbow 332 and the auger rod 312 to prevent the grouting elbow 332 from rotating when the auger rod 312 rotates. The grouting elbow 332 is also connected to the anchoring power head 311 via a limit rod to prevent the grouting elbow 332 from swinging freely. In this embodiment, the grouting diameter of the grouting hose 331, grouting elbow 332, and auger rod 312 is 60 mm to 80 mm.

[0062] It is understandable that when the main mast 10 is connected to the extension mast 20 , the auger rod 312 and the grouting hose 331 need to be lengthened at the same time.

[0063] When no construction is required, take the anchor drilling rig in standard anchoring mode as an example, combined with Figure 1 and Figure 10 As shown, the anchor drilling rig can be put into the transport state by the following operations: lowering the main mast 10 so that it is basically parallel to the ground; removing the grouting hose 331, and then disconnecting the fixation between the grouting elbow 332 and the limit rod, so that the grouting elbow 332 hangs down and is fixed to the side of the main mast 10.

[0064] Finally, the other main structures of the anchor drilling rig are introduced.

[0065] like Figure 1 As shown, the anchor drilling rig also includes a crawler traveling mechanism 80 and a vehicle body 90. The crawler traveling mechanism 80 is located at the bottom of the anchor drilling rig, and the anchor drilling rig moves through the crawler traveling mechanism 80. The vehicle body 90 is rotatably connected to the top of the crawler traveling mechanism 80, and the main mast 10 is connected to the vehicle body 90. Specifically, when the anchor drilling rig is in operation, the vehicle body 90 can be rotated until its front and rear direction is parallel to the front and rear direction of the crawler (refer to Figure 1 ), the vehicle body 90 can also be rotated to the point where its front-to-back direction is perpendicular to the front-to-back direction of the crawler track (reference Figure 4 ).

[0066] In this embodiment, the vehicle body 90 includes an upper platform 91 and a cab 92 , and an engine and a hydraulic system are disposed in the upper platform 91 .

[0067] like Figure 1 As shown, the anchor drilling rig also includes a mast cylinder 100 and a luffing mechanism 110. The mast cylinder 100 includes a cylinder body 101 and a telescopic rod 102, and the telescopic rod 102 is connected to the main mast 10. One end of the luffing mechanism 110 is connected to the vehicle body 90, and the other end is connected to the main mast 10 and the cylinder body 101, respectively. The luffing mechanism 110 and the mast cylinder 100 cooperate to adjust the inclination angle of the main mast 10 to meet construction requirements. Furthermore, adjusting the inclination angle of the main mast 10 can also prevent the main mast 10 from colliding with the cab 92, ensuring the safety of the driver.

[0068] In this embodiment, the luffing mechanism 110 and the vehicle body 90, the luffing mechanism 110 and the main mast 10, the mast cylinder 100 and the luffing mechanism 110, and the mast cylinder 100 and the main mast 10 are all hingedly connected. Furthermore, the luffing mechanism 110 is a parallelogram structure with two luffing cylinders, and two mast cylinders 100 are also provided to ensure luffing stability. Since the structures of the luffing mechanism 110 and the mast cylinder 100 are conventional, they will not be described in detail here.

[0069] According to the above description, this patent application has the following advantages:

[0070] 1. The anchor drilling rig has standard anchoring mode and extended anchoring mode, which can meet the drilling requirements of various depths, improve equipment utilization and reduce construction costs;

[0071] 2. The anchor drilling rig can be lengthened at the top or the bottom. The lengthening method is flexible and can meet more diverse construction needs.

[0072] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. An anchor drilling rig, characterized in that: include: mainmast; an extension mast configured to be selectively connected to the main mast to form an extension mast mechanism; an anchoring mechanism configured to be connected to the main mast or the extension mast mechanism; The upper end of the main mast is provided with a first connecting structure, and the lower end of the main mast is provided with a second connecting structure; The extension mast is configured to be selectively connected to the main mast via the first connection structure or the second connection structure to form the extension mast mechanism; When the angle between the main mast and the ground is greater than 45° and not greater than 90°, the extension mast is configured to be selectively connected to the main mast via the first connection structure; When the angle between the main mast and the ground is not greater than 45° and not less than 0°, the extension mast is configured to be selectively connected to the main mast via the second connection structure; The weight of the extension mast is less than that of the main mast.

2. The anchor drilling rig according to claim 1, characterized in that: The extension mast is configured to be selectively foldably connected to the main mast via the first connection structure or the second connection structure.

3. The anchor drilling rig according to claim 1, characterized in that: The anchoring mechanism includes an anchoring drill and an anchoring pulley frame, the anchoring pulley frame is detachably connected to the upper end of the main mast or the upper end of the extended mast mechanism, and a first pulley is provided on the anchoring pulley frame, and the first pulley is located on the extension line of the main mast; The anchor drilling rig further includes a main winch and a first connecting rope, one end of the first connecting rope is connected to the main winch, and the other end of the first connecting rope passes around the first pulley and is connected to the anchor drilling tool to lift the anchor drilling tool.

4. The anchor drilling rig according to claim 3, characterized in that: The anchoring mechanism further comprises a grouting assembly, and the grouting assembly is detachably connected to the anchoring drill tool.

5. The anchor drilling rig according to claim 3, characterized in that: The anchor drilling rig further includes an auxiliary winch and a second connecting rope, wherein the auxiliary winch is connected to the anchor drilling tool via the second connecting rope to provide a pressure.

6. The anchor drilling rig according to any one of claims 1 to 5, characterized in that: The anchor drilling rig also includes: Crawler-type walking mechanism; The vehicle body is rotatably connected to the upper part of the crawler-type walking mechanism, and the main mast is connected to the vehicle body.

7. The anchor drilling rig according to claim 6, characterized in that: The anchor drilling rig also includes: A mast oil cylinder comprising a cylinder body and a telescopic rod, wherein the telescopic rod is connected to the main mast; A luffing mechanism has one end connected to the vehicle body and the other end connected to the main mast and the cylinder body respectively.

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