Drilling rig

Abstract

The present application relates to a drilling device, comprising a drill pipe, a mounting body, a pulley member wrapped with a rope, a centrifugal member, and a brake member. The pulley member is rotatably mounted on the mounting body, the pulley member is used to pull the drill pipe through the rope, the centrifugal member is connected to the pulley member, the pulley member can rotate relative to the mounting body, the centrifugal member can rotate synchronously with the pulley member, and when the pulley member rotates to a preset speed, the centrifugal member can drive the brake member to press against the pulley member under the action of centrifugal force. The drilling device is configured such that the centrifugal member can rotate synchronously with the pulley member, so that when the centrifugal member rotates with the pulley member to a preset speed, the centrifugal member drives the brake member to press against the pulley member under the action of centrifugal force, thereby achieving speed limiting and braking of the pulley member, avoiding accidents caused by the drill pipe falling, and improving the working reliability of the drilling device.

Description

Technical Field

[0001] The present application relates to the field of geological exploration technology, and in particular to a drilling device. Background Art

[0002] With the development of geological exploration technology, drilling equipment has emerged. For general drilling operations, it is necessary to perform operations such as coring, retracting and moving the drill rod.

[0003] Conventional drilling rigs generally perform the above operations by setting up a drilling tower and a crown block pulley.

[0004] However, conventional overhead crane pulleys carry the risk of rapid drill pipe drops due to insufficient wire rope traction or improper operation. When a drill pipe drops rapidly, conventional drilling rigs are unable to automatically detect the drop and apply brakes to the overhead crane pulleys to prevent it. Consequently, conventional drilling rigs present a risk of drill pipe drops. Summary of the Invention

[0005] Based on this, it is necessary to provide a drilling device to address the problem that the drill rod of the drilling device has the risk of falling.

[0006] A drilling device includes a drill rod, a mounting body, a pulley member wrapped with a rope, a centrifugal member and a brake member. The pulley member is rotatably provided on the mounting body. The pulley member is used to pull the drill rod through the rope body. The centrifugal member is connected to the pulley member. The pulley member can rotate relative to the mounting body. The centrifugal member can rotate synchronously with the pulley member. When the pulley member rotates to a preset speed, the centrifugal member can drive the brake member to press against the pulley member under the action of centrifugal force.

[0007] In one embodiment, the centrifugal member includes a retractable driving member. When the rotation of the pulley member reaches a preset rotation speed, the driving member approaches and presses against the braking member to drive the braking member to press against the pulley member.

[0008] In one embodiment, the centrifugal member includes a first rotor, a second rotor and a clamping member, the second rotor is arranged to circumferentially wrap around the edge portion of the first rotor, the first rotor can rotate relative to the second rotor, the clamping member is connected to the first rotor, the first rotor is connected to the pulley member and can rotate synchronously with the pulley member, the driving member is connected to the second rotor, when the pulley member rotates to a preset speed, the clamping member can press the second rotor under the action of centrifugal force, and drive the second rotor to rotate a preset angle, and the second rotor drives the driving member to approach and press the braking member.

[0009] In one embodiment, the preset angle is 15°-25°.

[0010] In one embodiment, the centrifugal member further includes a first rod and a second rod, the first rod is provided with a spring structure, the clamping member includes a first locking tongue and a second locking tongue, one end of each of the first locking tongue and the second locking tongue is connected through the first rod, and the other end of each is connected through the second rod. When the pulley member rotates to a preset speed, the first locking tongue can overcome the resistance of the spring structure and rotate, and drive the second locking tongue to rotate synchronously to press the second rotating body.

[0011] In one embodiment, the second rotator is provided with a clamping portion along one side of its circumference close to the clamping member, and the first locking tongue and the second locking tongue are both provided with a clamping structure, and the clamping structure is used to clamp and cooperate with the clamping portion.

[0012] In one embodiment, the brake member includes a brake body, a rotating rod and a brake block. The rotating rod is rotatably connected to the brake body near its middle position, the brake block is connected to one end of the rotating rod, and the driving member is connected to the other end of the rotating rod. When the pulley member rotates to a preset speed, the driving member can drive the rotating rod to rotate and make the brake block approach and press against the pulley member.

[0013] In one embodiment, the pulley member is provided with a pulley groove, and the rope body is wound in the pulley groove. When the pulley member rotates to reach a preset speed, the brake block can press against the rope body in the pulley groove.

[0014] In one embodiment, a first elastic member is connected to a side of the rotating rod facing away from the driving member, and the compression and stretching directions of the first elastic member are consistent with the movement direction of the driving member.

[0015] In one embodiment, the brake body is provided with a mounting portion, the brake block is installed in the mounting portion, and the brake block can move along the length direction of the mounting portion. The brake member also includes a locking member, and the locking member is telescopically connected to the brake block. When the pulley member rotates to a preset speed, the brake block can move along the length direction perpendicular to the mounting portion, and the locking member is stuck between the brake block and the brake body.

[0016] In one embodiment, the braking member includes a second elastic member, and the second elastic member is used to elastically connect the locking member to the braking block.

[0017] In one embodiment, the mounting body includes a first beam, a symmetrically arranged first support member and a second support member, one end of the first support member and one end of the second support member are connected through the first beam, and also includes a second beam and a third beam arranged parallel to the first beam, the second beam and the third beam are both connected to the middle position of the first support member and the second support member, the second beam and the third beam are respectively arranged on both sides of the first support member, and the pulley member is rotatably connected to the second beam and the third beam.

[0018] In one embodiment, there are two driving members and two corresponding braking members, and the two braking members are respectively connected to the first support member and the second support member. When the rotation of the pulley member reaches a preset speed, the two driving members can synchronously approach and press the two braking members respectively.

[0019] The drilling rig described above is configured such that the centrifugal element rotates synchronously with the pulley element. When the centrifugal element rotates with the pulley element and reaches a preset speed, the centrifugal action drives the brake element to press against the pulley element, thereby limiting and braking the rotation of the pulley element. It should be noted that the preset speed is less than or equal to the maximum speed reached when the drill rod falls. This configuration helps ensure that the drilling rig can generate a corresponding centrifugal effect in the event of a fall. Under this centrifugal action, the centrifugal element drives the brake element to brake the pulley element, thereby ensuring that the rope has sufficient traction to restrain the drill rod, avoiding accidents caused by the drill rod falling and improving the operational reliability of the drilling rig. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a drilling device provided in one embodiment.

[0021] Figure 2 This is a schematic structural diagram of a centrifugal component in a normal state in a drilling device provided by an embodiment.

[0022] Figure 3 This is a schematic structural diagram of a centrifugal component in a braking state in a drilling device provided by one embodiment.

[0023] Figure 4 This is a schematic structural diagram of a brake component in a normal state in a drilling device provided by an embodiment.

[0024] Figure 5 This is a schematic structural diagram of a brake component in a braking state in a drilling device provided in one embodiment.

[0025] Explanation of Figure Numbers

[0026] 10. Drilling rig; 100. Mounting body; 111. First support member; 112. Second support member; 113. First crossbeam; 120. Second crossbeam; 130. Third crossbeam; 200. Pulley member; 210. Rope; 200a. Pulley groove; 300. Centrifugal member; 310. Snap-fit ​​member; 311. First locking tongue; 312. Second locking tongue; 310a. First end; 310b. Second end; 3101. Snap-fit ​​structure; 321. First drive member ; 322, second driving member; 330, first rotating body; 340, second rotating body; 340a, clamping part; 350, shell; 360, first rod; 361, spring structure; 370, second rod; 400, brake member; 410, first brake member; 420, second brake member; 411, brake body; 412, rotating rod; 413, brake block; 414, first elastic member; 415, second elastic member; 416, locking member; 500, roller member. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0029] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0030] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0031] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0032] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0033] See Figure 1 , Figure 1 A structural schematic diagram of a drilling device 10 in an embodiment of the present application is shown. An embodiment of the present application provides a drilling device 10, which includes a drill rod (not shown), a mounting body 100, a pulley member 200 wrapped with a rope body 210, a centrifugal member 300 and a brake member 400. The pulley member 200 is rotatably provided on the mounting body 100. The pulley member 200 is used to pull the drill rod through the rope body 210. The centrifugal member 300 is connected to the pulley member 200. The pulley member 200 can rotate relative to the mounting body 100. The centrifugal member 300 can rotate synchronously with the pulley member 200. When the pulley member 200 rotates to a preset speed, the centrifugal member 300 can drive the brake member 400 to press against the pulley member 200 under the action of centrifugal force to limit the rotation of the pulley member 200.

[0034] It should be noted that the preset rotational speed is related to the weight of the drill rod towed by the rope 210 and the timing at which the brake member 400 is required to brake. When the preset rotational speed is set at a lower value, the drilling rig 10 can brake the pulley member 200 more quickly before the drill rod falls; when the preset rotational speed is set at a higher value, the braking of the drilling rig 10 is delayed. Specifically, in one embodiment, the mass of the relevant structures of the centrifugal member 300 can be reduced or increased to reduce or increase the required centrifugal force to accommodate higher or lower rotational speeds of the pulley member 200, thereby achieving rapid or delayed braking.

[0035] The drilling rig 10 is configured such that the centrifugal member 300 rotates synchronously with the pulley member 200. When the centrifugal member 300 rotates with the pulley member 200 and reaches a preset rotational speed, the centrifugal force drives the brake member 400 to press against the pulley member 200, thereby limiting and braking the rotation of the pulley member 200. It should be noted that the preset rotational speed is less than or equal to the maximum speed reached when the drill rod falls. This configuration helps ensure that the drilling rig 10 can generate a corresponding centrifugal force in the event of a fall. Under this centrifugal force, the centrifugal member 300 drives the brake member 400 to brake the pulley member 200, thereby ensuring that the rope 210 has sufficient traction to restrain the drill rod, preventing accidents caused by the drill rod falling and improving the operational reliability of the drilling rig 10.

[0036] Combine Figure 1 As shown, in some embodiments, the mounting body 100 includes a first beam 113, a symmetrically arranged first support member 111 and a second support member 112, one end of the first support member 111 and one end of the second support member 112 are connected by the first beam 113, and also includes a second beam 120 and a third beam 130 arranged parallel to the first beam 113, the second beam 120 and the third beam 130 are both connected to the middle position of the first support member 111 and the second support member 112, the second beam 120 and the third beam 130 are respectively arranged on both sides of the first support member 111, and the pulley member 200 is rotatably connected to the second beam 120 and the third beam 130, so that the pulley member 200 can be installed on the mounting body 100.

[0037] Specifically, the centrifugal member 300 and the pulley member 200 can be connected via a roller member 500, the ends of which are rotatably connected to the second beam 120 and the third beam 130, respectively. The first beam 113, the first support member 111, and the second support member 112 can be connected by welding or integrally formed. In some embodiments, the heights of the second beam 120 and the third beam 130 are maintained consistent, which helps ensure the stability of the pulley member 200 during rotation. Furthermore, the mounting body 100 serves as a mounting support for the pulley member 200 and also as a mounting support for drilling equipment. Therefore, it is understood that the mounting body 100 has a certain effective height, payload, second-tier platform height, stand capacity, and basic dimensions required for mounting drilling equipment.

[0038] Further, combined with Figure 1 As shown, in some embodiments, there are two driving members and two corresponding braking members 400, and the two braking members 400 are respectively connected to the first support member 111 and the second support member 112. When the rotation of the pulley member 200 reaches a preset speed, the two driving members can synchronously approach and press the two braking members 400 respectively. By providing two braking members 400, the braking effect of the drilling device 10 can be further improved.

[0039] Specifically, combined Figure 1 As shown, in some embodiments, the above-mentioned two brake members 400 are respectively the first brake member 410 and the second brake member 420, and the two driving members are respectively the first driving member 321 and the second driving member 322. The first brake member 410 is connected to the inner side of the first support member 111, and the second brake member 420 is connected to the inner side of the second support member 112. The first brake member 410 and the second brake member 420 are respectively driven by the first driving member 321 and the second driving member 322 to synchronously implement braking on both sides of the pulley member 200, which can greatly improve the braking effect.

[0040] Combine Figure 1-Figure 3 As shown, in some embodiments, the centrifugal member 300 includes a retractable driving member. When the rotation of the pulley member 200 reaches a predetermined speed, the driving member approaches and presses against the brake member 400, driving the brake member 400 to press against the pulley member 200, thereby achieving the automatic braking function of the drilling device 10.

[0041] It should be noted that when the driving member does not press the brake member 400 , the drilling device 10 is in a normal state; when the driving member presses the brake member 400 and drives the brake member 400 to press the pulley member 200 , the drilling device 10 is in a braking state.

[0042] Specifically, the driving member may be a rod or a block, etc. It is understood that the extension and retraction direction of the driving member is aligned with the braking member 400, thereby ensuring that the driving member can perform extension and retraction motion and smoothly press against the braking member 400 in the braking state, thereby driving the braking member 400 to press against the pulley member 200, thereby braking the pulley member 200. The structure is simple and reliable.

[0043] Combine Figure 2 and Figure 3 As shown, in some embodiments, the centrifugal member 300 includes a first rotator 330, a second rotator 340, and a clamping member 310. The second rotator 340 is circumferentially arranged to wrap around the edge of the first rotator 330. The first rotator 330 is capable of rotating relative to the second rotator 340. The clamping member 310 is connected to the first rotator 330. The first rotator 330 is connected to the pulley member 200 and can rotate synchronously with the pulley member 200. The driving member is connected to the second rotator 340. When the pulley member 200 rotates to a predetermined speed, the clamping member 310 can press against the second rotator 340 under the action of centrifugal force and drive the second rotator 340 to rotate a predetermined angle. The second rotator 340 drives the member to approach and press against the brake member 400, thereby achieving the braking effect of the brake member 400 on the pulley member 200.

[0044] Specifically, the first rotating body 330 can be connected to the pulley member 200 via the roller member 500. The first rotating body 330 serves as the mounting support and rotating body of the centrifugal member 300. It is connected to the pulley member 200 via the roller member 500 and can rotate synchronously with the pulley member 200. It should be noted that when the pulley member 200 drives the first rotating body 330 to rotate, the first rotating body 330 rotates relative to the second rotating body 340 and is surrounded by the second rotating body 340, while the second rotating body 340 remains stationary relative to the mounting body 100. Therefore, it is understood that the second rotating body 340 can be directly or indirectly fixed to the mounting body 100. The above structure is simple and reliable, and improves the structural compactness of the drilling rig 10.

[0045] Furthermore, in some embodiments, the aforementioned "clamping member 310 can press against the second rotator 340 under the action of centrifugal force" can be achieved in a variety of ways. For example, the clamping member 310 and the second rotator 340 are frictionally connected, and under the action of centrifugation, the friction force increases, causing the second rotator 340 to rotate by a predetermined angle under the action of the friction force. Alternatively, the clamping member 310 can be a heavy rolling element, and the second rotator 340 has a receiving cavity. The clamping member 310 is disposed within the receiving cavity, and under the action of centrifugation, the clamping member 310 can apply a force in a tangential direction of the outer circumference of the second rotator 340, driving the second rotator 340 to rotate by a predetermined angle.

[0046] Preferably, in some embodiments, the clamping member 310 is a rod connected to the first rotating body 330 , and the clamping member 310 can rotate relative to the first rotating body 330 under the action of centrifugal force and be clamped with the second rotating body 340 .

[0047] Further, combined with Figure 2 and Figure 3 As shown, in one embodiment, the second rotating body 340 can and can only rotate a preset angle, and can drive the first driving member 321 and the second driving member 322 to move.

[0048] Specifically, if Figure 2 and Figure 3 As shown, the first driving member 321 and the second driving member 322 are both in contact with the second rotating body 340, and the first driving member 321 and the second driving member 322 are arranged in parallel at different positions on the second rotating body 340. When the second rotating body 340 rotates clockwise by a preset angle, the first driving member 321 and the second driving member 322 can move in opposite directions. This structure is simple and reliable, with good linkage, and can effectively improve the response speed of the drilling rig 10.

[0049] It should be noted that the second rotor 340 of the present application is not limited to the above-mentioned clockwise rotation to push the first driving member 321 and the second driving member 322. According to actual working needs, the rotation direction of the centrifugal member 300 can also be adaptively adjusted.

[0050] In some embodiments, the preset angle is 15°-25°. Specifically, the preset angle can be 15°, 17°, 20°, 23°, or 25°.

[0051] Specifically, the structure of the centrifugal member 300 is further defined below.

[0052] In some embodiments, the centrifugal member 300 also includes a first rod member 360 and a second rod member 370, the first rod member 360 is provided with a spring structure 361, the clamping member 310 includes a first locking tongue 311 and a second locking tongue 312, one end of the first locking tongue 311 and the second locking tongue 312 are connected through the first rod member 360, and the other end of each is connected through the second rod member 370. When the pulley member 200 rotates to reach a preset speed, the first locking tongue 311 can overcome the resistance of the spring structure 361 to rotate, and drive the second locking tongue 312 to rotate synchronously to press the second rotating body 340. The structure is simple and reliable, and through the setting of the first locking tongue 311 and the second locking tongue 312, the synchronous braking effect of the drilling device 10 can be improved.

[0053] Combine Figure 2 and Figure 3As shown, in some embodiments, the second rotator 340 is provided with a clamping portion 340a along its circumferential side close to the clamping member 310, and the first locking tongue 311 and the second locking tongue 312 are provided with a clamping structure 3101, and the clamping structure 3101 is used to clamp and cooperate with the clamping portion 340a, so as to improve the clamping effect of the clamping member 310 and the second rotator 340, thereby ensuring the braking effect of the drilling device 10.

[0054] Specifically, the first lock tongue 311 and the second lock tongue 312 each have a first end 310a and a second end 310b, the first end 310a is provided with a clamping structure 3101, the clamping structure 3101 is used to engage with the clamping portion 340a, the first lock tongue 311 is rotatably connected to the first rotator 330 near its middle position, and the second lock tongue 312 is rotatably connected to the first rotator 330 near its second end 310b. The first end 310a of the first lock tongue 311 and the second end 310b of the second lock tongue 312 are connected by a first rod. 360, the second end 310b of the first locking tongue 311 is connected to the first end 310a of the second locking tongue 312 through the second rod 370. When the pulley member 200 rotates to reach a preset speed, the first end 310a of the first locking tongue 311 can overcome the resistance of the spring structure 361 to rotate, and drive the first end 310a of the second locking tongue 312 to rotate synchronously to be synchronously engaged with the engaging portion 340a, so as to drive the second rotating body 340 to rotate by a preset angle, thereby improving the synchronous braking effect of the drilling device 10.

[0055] More specifically, combined Figure 2 As shown, Figure 2 This is a schematic diagram of the centrifugal element 300 in the normal state of the drilling rig 10, with the spring structure 361 in an unstretched state. Further analysis reveals that the central portion of the first locking tongue 311, the first end 310a, and the second end 310b of the second locking tongue 312 form a triangular structure. Therefore, under normal conditions, the first and second locking tongues 311, 312 do not rotate, or rotate only slightly, insufficient to compress the second rotator 340 for rotation. At this point, the first rod 360 performs the same function as the second rod 370, ensuring that the first and second locking tongues 311, 312 remain stationary relative to the first rotator 330, resulting in a simple and reliable structure.

[0056] Combine Figure 3 As shown, Figure 3This is a schematic diagram of the structure of the centrifugal member 300 of the drilling rig 10 in a normal state, wherein the spring structure 361 is in a stretched state. Specifically, when the pulley member 200 rotates to a predetermined speed, the first locking tongue 311 and the second locking tongue 312 can rotate about their respective rotation points under the action of a sufficiently large centrifugal force. More specifically, under the action of the centrifugal force, the first locking tongue 311 overcomes the tension of the spring structure 361 and rotates about the center position of the first locking tongue 311. Furthermore, the second end 310b of the first locking tongue 311 pushes the first end 310a of the second locking tongue 312 to move, thereby achieving the effect of the first locking tongue 311 and the second locking tongue 312 synchronously pressing against the clamping portion 340a of the second rotator 340. The above structure is simple and reliable, and can ensure the braking effect of the drilling rig 10.

[0057] The first locking tongue 311 and the second locking tongue 312 can be rotatably connected to the second rotator 340 by riveting or pinning. The snap-fit ​​structure 3101 can be a curved hook-shaped groove structure near the first end 310a, and the snap-fit ​​portion 340a can be a protrusion structure. The snap-fit ​​portions 340a are evenly spaced along the circumference of the second rotator 340, and the snap-fit ​​structure 3101 can be randomly snapped to any snap-fit ​​portion 340a.

[0058] Combine Figure 2 and Figure 3 As shown, the centrifugal member 300 further includes a housing 350. The first rotating body 330 is mounted within the housing cavity of the housing 350. The first driving member 321 and the second driving member 322 are disposed through the housing 350. The provision of the housing 350 facilitates protection of the structure of the drilling device 10. It is understood that corresponding protective housing 350 structures should also be provided for other structures of the drilling device 10.

[0059] Combine Figure 4 and Figure 5 As shown, in some embodiments, the brake member 400 includes a brake body 411, a rotating rod 412, and a brake block 413. The rotating rod 412 is rotatably connected to the brake body 411 near its center. The brake block 413 is connected to one end of the rotating rod 412, and the driving member is connected to the other end of the rotating rod 412. When the pulley member 200 rotates to a predetermined speed, the driving member can drive the rotating rod 412 to rotate, causing the brake block 413 to approach and press against the pulley member 200, thereby achieving the braking effect of the brake member 400 on the pulley member 200.

[0060] Specifically, if Figure 4 and Figure 5 As shown, Figure 4 is a schematic structural diagram of the first brake member 410 in a normal state, Figure 5Figure 4 is a schematic diagram of the structure of the first brake member 410 in the braking state. It should be noted that the structures and braking principles of the first brake member 410 and the second brake member 420 are identical, so only the first brake member 410 will be described below. When the pulley member 200 reaches a predetermined rotational speed, the first driving member 321 moves toward the rotating rod 412, pushing the rotating rod 412 to rotate about the rotating member 417. This causes the brake block 413 to press against the pulley member 200 under the leverage of the rotating rod 412, thus braking the drilling rig 10. This simple and reliable structure, through the use of leverage, ensures effective braking of the drilling rig 10.

[0061] Further, combined with Figure 1 As shown, in some embodiments, the pulley member 200 has a pulley groove 200a, and the rope 210 is wound in the pulley groove 200a. When the pulley member 200 rotates to a predetermined speed, the brake block 413 can press against the rope 210 in the pulley groove 200a, thereby simultaneously pressing the pulley member 200 and the rope 210, thereby improving the braking effect.

[0062] Furthermore, combined Figure 4 and Figure 5 As shown, in some embodiments, a first elastic member 414 is connected to the side of the rotating rod 412 facing away from the driving member. The compression and extension directions of the first elastic member 414 are consistent with the movement direction of the driving member. This allows the brake member 400 to remain in place under normal conditions, without interfering with the rotation of the pulley member 200, and helps ensure the structural stability of the brake block 413. In addition, the first elastic member 414 can provide a certain resistance to the driving of the first driving member 321 and can cooperate with the spring structure 361 to more rationally design the preset rotational speed of the pulley member 200.

[0063] Combine Figure 4 and Figure 5 As shown, the brake body 411 is provided with a mounting portion, and the brake block 413 is mounted within the mounting portion. The brake block 413 is movable along the length of the mounting portion. The brake member 400 further includes a locking member 416 that is telescopically connected to the brake block 413. When the pulley member 200 rotates at a predetermined speed, the brake block 413 is movable along the length of the mounting portion, and the locking member 416 is engaged between the brake block 413 and the brake body 411, thereby ensuring the braking effect of the brake block 413 in the braking state.

[0064] Specifically, if Figure 5As shown, the locking member 416 is provided at the lower part of the brake block 413 and moves along the length direction of the vertical mounting portion. Therefore, when the brake block 413 moves to the right, the locking member 416 can move upward, so that the brake block 413 can be smoothly extended from the mounting portion. When the locking member 416 completely leaves the mounting portion, the locking member 416 can move downward to reset, and limit the movement of the brake block 413 returning to the mounting portion, so as to ensure that the brake block 413 can always press the pulley member 200, thereby ensuring the braking effect.

[0065] Furthermore, in some embodiments, the locking member 416 has an arc surface. Such a configuration allows the locking member 416 to move away from the mounting portion without being hindered by the brake body 411, thereby improving the movement effect of the locking member 416 and thus improving the working smoothness and reliability of the drilling device 10.

[0066] Furthermore, in some embodiments, the brake member 400 includes a second elastic member 415, which is used to elastically connect the locking member 416 to the brake block 413, so that the locking member 416 can be elastically reset along the length direction of the vertical mounting portion, thereby improving the locking effect of the locking member 416 in the braking state, thereby improving the braking effect of the drilling device 10.

[0067] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A drilling device, characterized in that: The drilling device includes a drill rod, a mounting body, a pulley member wound with a rope, a centrifugal member, and a brake member. The pulley member is rotatably mounted on the mounting body, the pulley member is used to pull the drill rod through the rope, the centrifugal member is connected to the pulley member, the pulley member can rotate relative to the mounting body, the centrifugal member can rotate synchronously with the pulley member, and when the pulley member rotates to a preset speed, the centrifugal member can drive the brake member to press against the pulley member under the action of centrifugal force; The centrifugal member includes a retractable driving member, and when the rotation of the pulley member reaches a preset speed, the driving member approaches and presses the brake member to drive the brake member to press against the pulley member; The centrifugal member includes a first rotor, a second rotor and a clamping member, the second rotor is arranged to wrap around the edge portion of the first rotor in the circumferential direction, the first rotor can rotate relative to the second rotor, the clamping member is connected to the first rotor, the first rotor is connected to the pulley member and can rotate synchronously with the pulley member, the driving member is connected to the second rotor, when the pulley member rotates to a preset speed, the clamping member can press the second rotor under the action of centrifugal force and drive the second rotor to rotate a preset angle, and the second rotor drives the driving member to approach and press the braking member; The preset angle is 15°-25°; The centrifugal member also includes a first rod and a second rod, the first rod is provided with a spring structure, and the clamping member includes a first locking tongue and a second locking tongue, one end of each of the first locking tongue and the second locking tongue is connected by the first rod, and the other end of each is connected by the second rod. When the pulley member rotates to a preset speed, the first locking tongue can overcome the resistance of the spring structure to rotate, and drive the second locking tongue to rotate synchronously to press the second rotating body.

2. The drilling device according to claim 1, characterized in that The second rotator is provided with a clamping portion on one side thereof close to the clamping piece along its circumference, and the first locking tongue and the second locking tongue are both provided with a clamping structure, and the clamping structure is used to clamp and cooperate with the clamping portion.

3. The drilling device according to claim 1, characterized in that The brake member includes a brake body, a rotating rod and a brake block. The rotating rod is rotatably connected to the brake body near its middle position. The brake block is connected to one end of the rotating rod. The driving member is connected to the other end of the rotating rod. When the pulley member rotates to a preset speed, the driving member can drive the rotating rod to rotate and make the brake block approach and press against the pulley member.

4. The drilling device according to claim 3, characterized in that The pulley member is provided with a pulley groove, and the rope body is wound in the pulley groove. When the pulley member rotates to reach a preset speed, the brake block can press against the rope body in the pulley groove.

5. The drilling device according to claim 3, characterized in that A first elastic member is connected to a side of the rotating rod facing away from the driving member, and the compression and stretching directions of the first elastic member are consistent with the movement direction of the driving member.

6. The drilling device according to claim 3, characterized in that The brake body is provided with a mounting portion, the brake block is installed in the mounting portion, and the brake block can move along the length direction of the mounting portion. The brake member also includes a locking member, and the locking member is telescopically connected to the brake block. When the pulley member rotates to a preset speed, the brake block can move along the length direction perpendicular to the mounting portion, and the locking member is stuck between the brake block and the brake body.

7. The drilling device according to claim 6, characterized in that The braking member includes a second elastic member, and the second elastic member is used to elastically connect the locking member to the braking block.

8. The drilling device according to any one of claims 1 to 7, characterized in that: The mounting body includes a first crossbeam, a symmetrically arranged first support member and a second support member, one end of the first support member and one end of the second support member are connected through the first crossbeam, and also includes a second crossbeam and a third crossbeam arranged parallel to the first crossbeam, the second crossbeam and the third crossbeam are both connected to the middle position of the first support member and the second support member, the second crossbeam and the third crossbeam are respectively arranged on both sides of the first support member, and the pulley member is rotatably connected to the second crossbeam and the third crossbeam.

9. The drilling device according to claim 8, characterized in that There are two driving members and two corresponding braking members, and the two braking members are respectively connected to the first support member and the second support member. When the rotation of the pulley member reaches a preset speed, the two driving members can synchronously approach and press the two braking members.

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