Sand blasting protection structure for drill rod of drilling machine
By setting tapered connectors and plugs at both ends of the drill rod and using internal and external thread connections, the butt lag caused by thread damage during sandblasting of the drill rod is solved, and efficient installation of the drill rod is achieved.
Patent Information
- Application Number
- CN202422034624.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-21
AI Technical Summary
During the sandblasting process of drill pipe, there is a lack of protection at the threads at both ends of the drill pipe, resulting in butt lag and affecting the docking efficiency of the drill pipe.
A drill rod sandblasting protection structure is designed, including the rod body, head cover and tail cover. By setting a tapered connecting head and plug at both ends of the rod body, internal and external thread connections are used for protection to prevent the thread damage during the sandblasting process.
Effectively protect the threads at both ends of the drill rod to avoid docking after sandblasting, and improve the installation efficiency of the drill rod.
Smart Images
Figure CN223071166U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drill pipe sandblasting, in particular to a sandblasting protection structure for a drill pipe of a drilling rig. Background Technique
[0002] A drill pipe is a steel pipe with threads at the tail, which is used to connect the surface equipment of a drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well. The purpose of the drill pipe is to transport the drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole device. The drill pipe must be able to withstand huge internal and external pressures, torsion, bending and vibration. After the drill pipe is processed, sandblasting treatment needs to be carried out on its surface.
[0003] During the sandblasting process of the drill pipe, since internal and external threads are provided at both ends of the drill pipe for docking, and there is no corresponding protection device at the thread, it is inevitable that the thread will be adhered to during the sandblasting process, resulting in the inability to dock the drill pipe in the later stage and the situation of jamming during docking, thus affecting the docking efficiency of the drill pipe. For this reason, we have proposed a sandblasting protection structure for a drill pipe of a drilling rig. Content of the Utility Model
[0004] The purpose of the utility model is to provide a sandblasting protection structure for a drill pipe of a drilling rig to solve the problem of affecting the docking efficiency of the drill pipe proposed in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A sandblasting protection structure for a drill pipe of a drilling rig, including a rod body, a head cover and a tail cover. A connecting head is fixedly connected to the right side wall of the rod body. An external connecting thread is provided on the outer side wall of the connecting head. A connecting groove is provided on the left side wall of the rod body. An internal connecting thread is provided on the inner cavity wall of the connecting groove. A plug is fixedly connected to the right side wall of the head cover. The plug is screwed into the inner cavity of the connecting groove. An external installation thread is provided on the outer side wall of the plug. A positioning groove is provided on the left side wall of the tail cover. An installation groove is provided on the right side wall of the inner cavity of the positioning groove. An internal installation thread is provided on the inner cavity wall of the installation groove. The tail cover is screwed onto the outer side wall of the connecting head.
[0006] As a further description of the above technical solution:
[0007] The external connecting thread is screwed with the internal installation thread, and the internal connecting thread is screwed with the external installation thread.
[0008] As a further description of the above technical solution:
[0009] The connecting head, the connecting groove, the plug and the installation groove are in a conical shape.
[0010] As a further description of the above technical solution:
[0011] The outer diameter dimension of the connector is equal to the outer diameter dimension of the plug, and the inner diameter dimension of the connecting groove is equal to the inner diameter dimension of the mounting groove.
[0012] As a further description of the above technical solution:
[0013] The rod body and the connector are of an integrally formed structure, and the head cover and the plug are of an integrally formed structure.
[0014] As a further description of the above technical solution:
[0015] A handle is welded to the right side wall of the end cap.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the sandblasting protection structure of the drill pipe of the drill rig, through the plug provided on the head cover, and the outer side of the plug is provided with an external installation thread, which is screwed through the external installation thread and the internal connection thread provided in the connection groove to protect the left end of the rod body. At the same time, through the installation groove provided in the positioning groove inside the end cap, the installation groove is provided with an internal installation thread, and the internal installation thread is connected to the external connection thread on the connecting head of the rod body, and the end cap is screwed to the right end of the rod body for protection. Thus, it is possible to realize sandblasting protection for the threaded parts at both ends of the drill pipe, avoid the phenomenon of subsequent docking jamming of the drill pipe, and improve the installation efficiency of the drill pipe at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 FIG. 21 is an overall structural schematic diagram of a sandblasting protection structure for a drill pipe of a drill rig proposed by the present utility model;
[0018] Figure 2 FIG. 25 is a front view sectional structural schematic diagram of a sandblasting protection structure for a drill pipe of a drill rig proposed by the present utility model;
[0019] Figure 3 FIG. 29 is a three-dimensional sectional structural schematic diagram of an end cap of a sandblasting protection structure for a drill pipe of a drill rig proposed by the present utility model.
[0020] In the figure: 100, rod body; 110, connector; 111, external connection thread; 120, connecting groove; 121, internal connection thread; 200, head cover; 210, plug; 211, external installation thread; 300, end cap; 310, positioning groove; 311, installation groove; 312, internal installation thread; 320, handle. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise stated, the meaning of "a plurality" is two or more.
[0023] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] The present invention provides a sandblasting protection structure for a drill pipe of a drilling rig, which can realize sandblasting protection for the threaded parts at both ends of the drill pipe. Please refer to Figures 1-3 , including a rod body 100, a head cover 200, and a tail cover 300;
[0025] Please refer to again Figures 1-3, a connector 110 is fixedly connected to the right side wall of the rod body 100. An external connection thread 111 is provided on the outer side wall of the connector 110. A connection groove 120 is provided on the left side wall of the rod body 100. An internal connection thread 121 is provided on the inner cavity wall of the connection groove 120. The external connection thread 111 is screwed with the internal installation thread 312, and the internal connection thread 121 is screwed with the external installation thread 211. The shapes of the connector 110, the connection groove 120, the plug 210, and the installation groove 311 are conical. The outer diameter dimension of the connector 110 is equal to the outer diameter dimension of the plug 210, and the inner diameter dimension of the connection groove 120 is equal to the inner diameter dimension of the installation groove 311. The rod body 100 and the connector 110 are of an integrally formed structure, and the head cover 200 and the plug 210 are of an integrally formed structure. Through the plug 210 provided on the head cover 200, and an external installation thread 211 is provided on the outer side of the plug 210. By screwing the external installation thread 211 with the internal connection thread 121 provided in the connection groove 120, the left end of the rod body 100 is protected. At the same time, through the installation groove 311 provided in the internal positioning groove 310 of the end cap 300, an internal installation thread 312 is provided in the installation groove 311. By connecting the internal installation thread 312 with the external connection thread 111 on the connector 110 of the rod body 100, the end cap 300 is screwed to the right end of the rod body 100 for protection;
[0026] Please refer to again Figures 1-3 , a plug 210 is fixedly connected to the right side wall of the head cover 200. The plug 210 is screwed into the inner cavity of the connection groove 120. An external installation thread 211 is provided on the outer side wall of the plug 210;
[0027] Please refer to again Figures 1-3 , a positioning groove 310 is provided on the left side wall of the end cap 300. An installation groove 311 is provided on the right side wall of the inner cavity of the positioning groove 310. An internal installation thread 312 is provided on the inner cavity wall of the installation groove 311. The end cap 300 is screwed to the outer side wall of the connector 110. A handle 320 is welded to the right side wall of the end cap 300.
[0028] In summary, it is possible to achieve sandblasting protection for the threaded parts at both ends of the drill pipe, avoid the phenomenon of subsequent docking jamming of the drill pipe, and at the same time improve the installation efficiency of the drill pipe.
[0029] In specific use, when personnel in the technical field use the protective device to protect both ends of the drill pipe during sandblasting construction, the plug 210 on the head cover 200 is screwed into the connecting groove 120. The external thread 211 is screwed with the internal connecting thread 121 formed in the connecting groove 120 to protect the left end of the rod body 100. After the protection of one end of the rod body 100 is completed, the tail cover 300 is screwed onto the right end of the rod body 100. The internal thread 312 is connected with the external connecting thread 111 on the connecting head 110 of the rod body 100, and the tail cover 300 is screwed onto the right end of the rod body 100 for protection, completing the protection of the right end of the rod body 100. After the protection of both ends of the rod body 100 is completed, the sandblasting construction of the rod body 100 can be carried out.
[0030] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0031] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.
Claims
1. A sandblasting protection structure for a drill pipe of a drilling rig, characterized in that: It includes a rod body (100), a head cover (200) and a tail cover (300). A connecting head (110) is fixedly connected to the right side wall of the rod body (100). An external connecting thread (111) is formed on the outer side wall of the connecting head (110). A connecting groove (120) is formed on the left side wall of the rod body (100). An internal connecting thread (121) is formed on the inner cavity wall of the connecting groove (120). A plug (210) is fixedly connected to the right side wall of the head cover (200). The plug (210) is screwed into the inner cavity of the connecting groove (120). An external installation thread (211) is formed on the outer side wall of the plug (210). A positioning groove (310) is formed on the left side wall of the tail cover (300). An installation groove (311) is formed on the right side wall of the inner cavity of the positioning groove (310). An internal installation thread (312) is formed on the inner cavity wall of the installation groove (311). The tail cover (300) is screwed onto the outer side wall of the connecting head (110).
2. The sandblasting protection structure of a drill pipe of a drilling rig according to claim 1, characterized in that: The external connecting thread (111) is screwed with the internal installation thread (312), and the internal connecting thread (121) is screwed with the external installation thread (211).
3. The sandblasting protection structure of a drill pipe of a drilling rig according to claim 1, wherein: The connecting head (110), the connecting groove (120), the plug (210) and the installation groove (311) are in a conical shape.
4. A sandblasting protection structure for a drill pipe of a drilling rig according to claim 1, characterized in that: The outer diameter dimension of the connecting head (110) is equal to the outer diameter dimension of the plug (210), and the inner diameter dimension of the connecting groove (120) is equal to the inner diameter dimension of the installation groove (311).
5. A sandblasting protection structure for a drill pipe of a drilling rig according to claim 1, characterized in that: The rod body (100) and the connecting head (110) are of an integrally formed structure, and the head cover (200) and the plug (210) are of an integrally formed structure.
6. A sandblasting protection structure for a drill pipe of a drilling rig according to claim 1, characterized in that: A handle (320) is welded to the right side wall of the tail cover (300).