A drill pipe is released structure and drilling rig

Abstract

This utility model discloses a drill rod shackle structure and a drilling rig. The drill rod shackle structure includes: a lower insert plate with a lower slot for inserting a lower drill rod, the lower slot including a first arc segment and a first straight segment; an upper insert plate installed on the lower insert plate and positioned above it; the upper insert plate having an upper slot for inserting an upper drill rod, the upper slot including a second arc segment and a second straight segment; the first arc segment and the second arc segment are concentric, and the length of the first straight segment is greater than the length of the second straight segment; a first driving member connected to the lower insert plate for driving the lower insert plate to slide horizontally, the sliding of the lower insert plate causing the upper insert plate to slide synchronously; and a second driving member connected to the upper insert plate for driving the upper insert plate to rotate relative to the lower insert plate, thereby causing the upper drill rod to rotate relative to the lower drill rod. The drill rod shackle structure of this application has a simple structure, good clamping effect, and can be used in drilling operations with small drill frame cross-sections.

Description

Technical Field

[0001] This utility model relates to the field of mining machinery technology, and in particular to a drill pipe unhooking structure and a drilling machine. Background Technology

[0002] When drilling deep holes, multiple drill rods are connected sequentially via threaded connections. During drilling, the rotation of the top rotary head is transmitted to the drill bit through the intermediate drill rods, driving its continuous operation. During this process, the connecting threads between the drill rods experience a gradual tightening effect due to continuous stress. When drill rod disassembly is required, the torque output by the rotary head itself is insufficient to meet the thread uncoupling requirements.

[0003] To facilitate drill pipe disassembly, current drilling equipment typically employs the following uncoupling methods:

[0004] (1) Manual disassembly: The loosening of the drill rod is carried out by manual operation. This process requires the cooperation of many people, which is not only time-consuming and labor-intensive, but also results in high labor costs. At the same time, it causes low efficiency in replacing the drill rod, which restricts the improvement of the automation and intelligence level of the equipment.

[0005] (2) The existing drilling equipment uses a shackle swing arm for the disassembly of the drill rod. However, this type of structure has obvious limitations in practical applications: on the one hand, it is difficult to adapt to the drilling operation space with a small drill frame cross section; on the other hand, there is a problem of easy slippage when clamping, and the overall structure design is relatively complicated. Utility Model Content

[0006] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a drill rod shackle structure, which is simple in structure, has a good clamping effect, and can be used in drilling operations with small drill frame cross-sections.

[0007] This utility model also proposes a drilling machine having the above-mentioned drill rod unhooking structure.

[0008] The drill pipe uncoupling structure according to the first aspect of the present invention includes:

[0009] The lower insert plate is provided with a lower slot for inserting the lower drill rod, the lower slot comprising a first arc segment and a first straight segment;

[0010] An upper insert plate is installed on the lower insert plate and positioned above the lower insert plate; the upper insert plate is provided with an upper slot for inserting an upper drill rod, the upper slot comprising a second arc segment and a second straight segment;

[0011] The first arc segment and the second arc segment are concentric, and the length of the first straight line segment is greater than the length of the second straight line segment;

[0012] The first driving component is connected to the lower insert plate and is used to drive the lower insert plate to slide horizontally, and the sliding of the lower insert plate drives the upper insert plate to slide synchronously.

[0013] The second driving component is connected to the upper insert plate and is used to drive the upper insert plate to rotate relative to the lower insert plate, thereby causing the upper drill rod to rotate relative to the lower drill rod.

[0014] The drill pipe shackle structure according to the embodiment of this utility model has at least the following beneficial effects:

[0015] The first driving component drives the lower insert plate to move relative to the drill rod, and the second driving component drives the upper insert plate to rotate relative to the lower insert plate to achieve drill rod uncoupling. This eliminates the need for a uncoupling swing arm, resulting in a simple structure suitable for drilling operations with small drill frame cross-sections. The lower slot allows the lower drill rod to be inserted, and the upper slot allows the upper drill rod to be inserted, effectively driving the upper and lower drill rods to rotate relative to each other and avoiding the problem of difficulty in clamping the drill rod. The first driving component can simultaneously drive the upper and lower insert plates to move, thereby simultaneously achieving the insertion of the upper and lower drill rods and improving uncoupling efficiency.

[0016] According to some embodiments of the present invention, the upper insert plate is equipped with a first pin, and the two ends of the second driving member are respectively connected to the lower insert plate and the first pin.

[0017] According to some embodiments of the present invention, the lower insert plate is provided with a first guide groove, and the first pin passes through the first guide groove; the first guide groove is concentric with the first arc segment.

[0018] According to some embodiments of the present invention, the upper insert plate is further provided with a second pin, and the lower insert plate is provided with a second guide groove, through which the second pin passes;

[0019] The first guide groove and the second guide groove are concentric.

[0020] According to some embodiments of the present invention, the first pin and the second pin are connected by a bushing.

[0021] According to some embodiments of the present invention, the first guide groove and the second guide groove are both disposed on the outer periphery of the first arc segment, the second guide groove is disposed between the first guide groove and the first arc segment, and the length of the first guide groove is greater than or equal to the length of the second guide groove.

[0022] According to some embodiments of the present invention, the lower slot is disposed at the first end of the lower insert plate in the length direction, and the first driving member is connected to the second end of the lower insert plate in the length direction;

[0023] The lower insert plate has an extension section extending along its width direction, and the second drive member is hinged to the extension section.

[0024] According to some embodiments of the present invention, the first driving member and / or the second driving member are telescopic devices.

[0025] According to some embodiments of the present invention, the slot openings of the lower slot and / or the upper slot are chamfered.

[0026] According to a second aspect of the present invention, a drilling rig includes a guide rail seat, through which a drill rod passes; the lower insert plate of the aforementioned drill rod shackle structure is slidably mounted on the guide rail seat; since the drilling rig includes the aforementioned drill rod shackle structure, it has at least all the beneficial effects of the drill rod shackle structure.

[0027] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0029] Figure 1 This is a schematic diagram showing the position of the shackle structure after the drill rod is inserted, according to the first aspect of this application.

[0030] Figure 2 This is a schematic diagram of the shackle structure in the shackle position according to the first aspect embodiment of this application;

[0031] Figure 3 This is an assembly diagram of the shackle structure according to the first aspect of this application.

[0032] Icon labels:

[0033] Lower insert plate 100, lower slot 110, first arc segment 111, first straight segment 112, lower drill rod 113, first guide groove 120, second guide groove 130, extension segment 140, mounting pin 141;

[0034] Upper insert plate 200, upper slot 210, second arc segment 211, second straight segment 212, upper drill rod 213, first pin 220, second pin 230, bushing 240;

[0035] First driving component 300;

[0036] Second drive unit 400;

[0037] Guide rail base 500. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0039] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, etc., indicating the directional or positional relationship, are based on the directional or positional relationship shown in the drawings and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0040] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0041] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0042] Reference Figure 1 , Figure 2 As shown, the drill rod shackle structure of the first aspect embodiment of this application includes a lower insert plate 100, an upper insert plate 200, a first drive member 300, and a second drive member 400. The lower insert plate 100 is provided with a lower slot 110 for inserting a lower drill rod 113. The lower slot 110 includes a first arc segment 111 and a first straight segment 112. The first arc segment 111 is disposed at the bottom of the slot of the lower slot 110. The upper insert plate 200 is installed on the lower insert plate 100 and disposed above the lower insert plate 100. The upper insert plate 200 is provided with an upper slot 210 for inserting an upper drill rod 213. The upper slot 210 includes a second arc segment 211 and a second straight segment 212. The second arc segment 211 is disposed at the bottom of the slot of the upper slot 210. The first arc segment 111 and the second arc segment 211 are concentric. The first driving component 300 is connected to the lower insert plate 100 and is used to drive the lower insert plate 100 to slide horizontally. The sliding of the lower insert plate 100 drives the upper insert plate 200 to slide synchronously. The second driving component 400 is connected to the upper insert plate 200 and is used to drive the upper insert plate 200 to rotate relative to the lower insert plate 100, thereby driving the upper drill rod 213 to rotate relative to the lower drill rod 113 to achieve uncoupling.

[0043] Typically, drilling rigs equipped with a shackle mechanism have this mechanism installed in the drill rod magazine. The shackle is achieved by swinging the arm relative to the drill rod. However, for some drilling operations with small drill frame cross-sections, the swing arm-type shackle mechanism is limited by space and can make operation difficult. To solve this technical problem, the shackle mechanism in this embodiment is installed at the guide rail seat 500 of the drill frame, thus eliminating the need for a swing arm and making it suitable for drilling operations with small drill frame cross-sections. Furthermore, the first driving member 300 drives the lower insert plate 100 to move relative to the drill rod, and the second driving member 400 drives the upper insert plate 200 to rotate relative to the lower insert plate 100 to achieve the uncoupling of the drill rod. The structure is simple. The lower slot 110 allows the lower drill rod 113 to be inserted, and the upper slot 210 allows the upper drill rod 213 to be inserted. The relative rotation of the upper drill rod 213 and the lower drill rod 113 is effective and avoids the problem of difficulty in clamping the drill rod. The first driving member 300 can simultaneously drive the upper insert plate 200 and the lower insert plate 100 to move, so as to simultaneously achieve the insertion of the upper drill rod 213 and the lower drill rod 113, thereby improving the uncoupling efficiency.

[0044] It should be noted that the shackle structure in this embodiment is only used to loosen the upper drill rod 213 and the lower drill rod 113. After the threads of the upper drill rod 213 and the lower drill rod 113 are loosened, it is still necessary to drive the upper drill rod 213 to rotate and move the upper drill rod 213 upward through the rotary power head to complete the complete disengagement of the upper drill rod 213 and the lower drill rod 113.

[0045] When unloading the drill rod, the lower drill rod 113 is inserted into the lower slot, and the lower insert plate 100 restricts the axial rotation and downward movement of the lower drill rod 113. When connecting the drill rod, the lower drill rod 113 is inserted into the lower slot, and the upper drill rod 213 is not restricted. The upper drill rod 213 is directly driven by the rotary power head to rotate and tighten relative to the lower drill rod 113. Therefore, the length of the first straight segment 112 is greater than the length of the second straight segment 212, thereby avoiding interference from the upper insert plate 200 to the connection operation of the upper drill rod 213 and the lower drill rod 113.

[0046] Reference Figures 1 to 3 As shown, both the upper drill rod 213 and the lower drill rod 113 have retaining surfaces on their outer peripheral walls. These retaining surfaces can be two, four, six, eight, or more, and are evenly spaced around the circumference. When the upper drill rod 213 is inserted into the upper slot 210, the two opposite sidewalls of the upper slot 210 are in contact with the two symmetrical retaining surfaces. Similarly, when the lower drill rod 113 is inserted into the lower slot 110, the two opposite sidewalls of the lower slot 110 are in contact with the two symmetrical retaining surfaces. This ensures that the upper slot 210 can stably rotate the upper drill rod 213, and that the lower slot 110 can stably restrict the rotation of the lower drill rod 113.

[0047] In an embodiment of this application, a lower slot 110 is disposed at a first end of the lower insert plate 100 along its length, and a first driving member 300 is connected to a second end of the lower insert plate 100 along its length; the lower insert plate 100 has an extension section 140 extending along its width direction, and a second driving member 400 is hinged to the extension section 140. Specifically, refer to... Figure 1 , Figure 2 As shown, the extension section 140 is provided with a mounting pin 141, and the fixed end of the second driving member 400 is sleeved on the mounting pin 141 and can rotate around the mounting pin 141.

[0048] To ensure the rotation trajectory and range of the upper insert plate 200, in this embodiment, the upper insert plate 200 is equipped with a first pin 220, and both ends of the second drive member 400 are respectively connected to the lower insert plate 100 and the first pin 220; in this embodiment, the lower insert plate 100 is provided with a first guide groove 120, and the first pin 220 passes through the first guide groove 120; see reference Figure 3 As shown, the first guide groove 120 is disposed on the outer periphery of the first arc segment 111. The first guide groove 120 is an arc-shaped groove, and the first guide groove 120 is concentric with the first arc segment 111 to ensure that the upper insert plate 200 rotates around the axis of the upper drill rod 213 when it rotates.

[0049] Reference Figure 1 , Figure 3 As shown, the movable end of the second driving member 400 is sleeved on the first pin 220 and can rotate around the first pin 220.

[0050] It is conceivable that, in order to improve the stability of the upper insert plate 200 driving the upper drill rod 213 to rotate, the upper insert plate 200 of this embodiment is also equipped with a second pin 230, and the lower insert plate 100 is provided with a second guide groove 130, through which the second pin 230 passes; see reference Figure 3 As shown, the second guide groove 130 is also disposed on the outer periphery of the first arc segment 111, and the second guide groove 130 is also an arc-shaped groove. The first guide groove 120 and the second guide groove 130 are concentric, and the second guide groove 130 is disposed between the first guide groove 120 and the first arc segment 111. The first pin 220 and the second pin 230 are disposed at intervals. The projection of the axis of the first pin 220 onto the upper insert plate 200, the projection of the axis of the second pin 230 onto the upper insert plate 200, and the center of the first arc segment 111 are all on the same straight line. By simultaneously setting the first pin 220 and the second pin 230, the degree of freedom of the second driving member 400 can be further restricted, thereby facilitating the stability of the second driving member 400 driving the upper insert plate 200.

[0051] Furthermore, the first pin 220 and the second pin 230 are connected by a bushing 240, thereby ensuring that the first pin 220 and the second pin 230 are always in a vertical state, and further fixing the distance between the first pin 220 and the second pin 230, reducing the probability of the first pin 220 and the second pin 230 bending and deforming, thereby extending the service life of the first pin 220 and the second pin 230.

[0052] In the embodiments of this application, reference is made to Figure 3 As shown, the length of the first guide groove 120 is greater than or equal to the length of the second guide groove 130. Preferably, the length of the second guide groove 130 is less than the length of the first guide groove 120, so as to reduce the range of motion of the second pin 230, thereby reducing the degree of freedom of the upper insert plate 200 and improving the stability of the shackle structure in this embodiment.

[0053] In the embodiments of this application, reference is made to Figure 1 , Figure 2 As shown, the first drive member 300 and / or the second drive member 400 are telescopic devices. The telescopic device can be one or more of hydraulic telescopic devices, pneumatic telescopic devices, and electric telescopic devices. Preferably, the first drive member 300 and the second drive member 400 use the same telescopic device to reduce production and maintenance costs.

[0054] In the embodiments of this application, reference is made to Figure 2 , Figure 3 As shown, to facilitate the insertion of the upper drill rod 213 into the upper slot 210 and the lower drill rod 113 into the lower slot 110, the slots of the lower slot 110 and / or the upper slot 210 are chamfered. Preferably, the slots of both the upper slot 210 and the lower slot 110 are chamfered.

[0055] The drilling rig according to the second aspect of this application includes a guide rail seat 500. As described above, the guide rail seat 500 is mounted on the drill frame, and a through hole is provided in the middle of the guide rail seat 500, through which the drill rod passes. Slide rails are provided on opposite sides of the guide rail seat 500, and the lower insert plate 100 of the aforementioned drill rod shackle structure is slidably mounted on the guide rail seat 500. Since the drilling rig includes the aforementioned drill rod shackle structure, it possesses at least all the beneficial effects of the drill rod shackle structure, which will not be elaborated upon here.

[0056] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine the different embodiments or examples described in this specification.

[0057] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A drill pipe shackle structure, characterized in that, include: The lower insert plate is provided with a lower slot for inserting the lower drill rod, the lower slot comprising a first arc segment and a first straight segment; An upper insert plate is installed on the lower insert plate and positioned above the lower insert plate; the upper insert plate is provided with an upper slot for inserting an upper drill rod, the upper slot comprising a second arc segment and a second straight segment; The first arc segment and the second arc segment are concentric, and the length of the first straight line segment is greater than the length of the second straight line segment; The first driving component is connected to the lower insert plate and is used to drive the lower insert plate to slide horizontally, and the sliding of the lower insert plate drives the upper insert plate to slide synchronously. The second driving component is connected to the upper insert plate and is used to drive the upper insert plate to rotate relative to the lower insert plate, thereby causing the upper drill rod to rotate relative to the lower drill rod.

2. The drill pipe uncoupling structure according to claim 1, characterized in that: The upper insert plate is equipped with a first pin, and the two ends of the second drive member are respectively connected to the lower insert plate and the first pin.

3. The drill pipe uncoupling structure according to claim 2, characterized in that: The lower insert plate is provided with a first guide groove, and the first pin passes through the first guide groove; the first guide groove is concentric with the first arc segment.

4. The drill pipe uncoupling structure according to claim 3, characterized in that: The upper insert plate is also equipped with a second pin, and the lower insert plate is provided with a second guide groove, through which the second pin passes; The first guide groove and the second guide groove are concentric.

5. The drill pipe uncoupling structure according to claim 4, characterized in that: The first pin and the second pin are connected by a bushing.

6. The drill pipe uncoupling structure according to claim 4, characterized in that: The first guide groove and the second guide groove are both disposed on the outer periphery of the first arc segment, the second guide groove is disposed between the first guide groove and the first arc segment, and the length of the first guide groove is greater than or equal to the length of the second guide groove.

7. The drill pipe uncoupling structure according to claim 1, characterized in that: The lower slot is disposed at the first end of the lower insert plate along its length, and the first driving member is connected to the second end of the lower insert plate along its length. The lower insert plate has an extension section extending along its width direction, and the second drive member is hinged to the extension section.

8. The drill pipe uncoupling structure according to claim 1, characterized in that: The first driving element and / or the second driving element are telescopic devices.

9. The drill pipe uncoupling structure according to claim 1, characterized in that: The openings of the lower slot and / or the upper slot are chamfered.

10. A drilling rig, characterized in that: include: The guide rail seat is through which the drill rod passes; The lower insert plate of the drill pipe shackle structure according to any one of claims 1 to 9 is slidably mounted on the guide rail seat.

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