CN214576813U - Drill rod for geological exploration - Google Patents
Drill rod for geological exploration Download PDFInfo
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- CN214576813U CN214576813U CN202120580798.7U CN202120580798U CN214576813U CN 214576813 U CN214576813 U CN 214576813U CN 202120580798 U CN202120580798 U CN 202120580798U CN 214576813 U CN214576813 U CN 214576813U
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- drill rod
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Abstract
The utility model belongs to geological exploration device field relates to a drilling rod for geological exploration, including the drilling rod main part, drilling rod main part both ends are equipped with grafting arcuation great wall head respectively, and the grafting arcuation great wall head of two drilling rod main parts is pegged graft and is constituteed cylindricly, and the grafting is constituteed cylindric grafting arcuation great wall head periphery and is equipped with complete complex external screw thread to the grafting is constituteed cylindric grafting arcuation great wall head periphery and is equipped with the nipple joint sleeve, and nipple joint sleeve inner wall is equipped with the internal thread, and the internal thread is connected with the external screw thread fit. The utility model discloses be fit for being applied to horizontal exploration more, can bear great torsional stress, two drilling rods of interconnect are difficult for taking place relative rotation, assurance normal construction that can be better.
Description
Technical Field
The utility model relates to a drilling rod for geological exploration belongs to the geological exploration device field.
Background
The drill rod is a device commonly used in the field of geological exploration, the drill rod mainly has the function of transmitting the torque of a drilling machine to a drill bit to realize drilling, and the drill rod generally needs to bear the stress of tension, compression, torsion and the like in the working process, but the specific use environments are different, and the types or the sizes of the pressure to be borne are different. The geological exploration mainly comprises vertical exploration or horizontal exploration, the difference of drill rods in different application environments is not obvious at present, the torsional stress and the tensile and compressive stress borne by the drill rods are large during the vertical exploration, in order to balance the relationship of the three, the front drill rod and the rear drill rod are mainly in threaded connection, but the threaded connection is easy to rotate relatively during the torsion; during transverse exploration, the torsional stress borne by the drill rod is the main stress relative to the tensile stress, and the two mutually connected drill rods can rotate relatively easily in the conventional drill rod, so that the construction is not facilitated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a drilling rod for geological exploration, this drilling rod for geological exploration is fit for being applied to horizontal exploration more, can bear great torsional stress, and relative rotation is difficult for taking place for two drilling rods of interconnect, assurance normal construction that can be better.
Drilling rod for geological exploration, including the drilling rod main part, drilling rod main part both ends are equipped with the arcuation great wall head of pegging graft respectively, the arcuation great wall head of pegging graft of two drilling rod main parts is pegged graft and is constituteed cylindricly, peg graft and constitute cylindric grafting arcuation great wall head periphery and be equipped with complete complex external screw thread to peg graft and constitute cylindric grafting arcuation great wall head periphery and be equipped with the nipple joint sleeve, nipple joint sleeve inner wall is equipped with the internal thread, the internal thread is connected with the external screw thread fit.
During the assembling process, earlier the nipple joint sleeve suit in one of them drilling rod periphery, align the grafting with the grafting arcuation great wall head of two drilling rod main parts afterwards and peg graft, then remove the nipple joint sleeve to the grafting position, rotate the nipple joint sleeve, make the telescopic internal thread of nipple joint and the external screw thread of pegging graft constitution cylindric grafting arcuation great wall head periphery carry out screw-thread fit and be connected. Two adjacent drill rods are inserted through the insertion arc-shaped long city heads, so that the relative rotation between the two drill rods is not easy to occur when the drill machine drives the drill rods to rotate, and the torque transmission efficiency is high; and the two drill rod inserting parts are in threaded connection with the short section sleeve, so that the two drill rods cannot be separated. The nipple joint sleeve is also the inspection that goes on the grafting part when carrying out threaded connection with drilling rod grafting part, if the nipple joint sleeve can carry out smooth threaded connection with drilling rod grafting part, then prove that two drilling rods cooperate closely, can not have the risk of relative rotation, otherwise, if nipple joint sleeve and drilling rod grafting part can not carry out threaded connection smoothly, then need further beat, carry out closely back nipple joint sleeve and drilling rod grafting part and carry out threaded connection smoothly until two drilling rod cooperations.
Preferably, the drill rod main body is provided with a limiting convex ring and a retaining ring groove respectively at the positions close to the two ends of the arc-shaped great wall heads in insertion connection, and the retaining ring is arranged in the retaining ring groove in a matched mode. After the two drill rods are spliced, the short section sleeve is screwed, then the check ring is installed at last, the short section sleeve is arranged between the limiting protruding ring and the check ring, and the short section sleeve is prevented from being separated from the two drill rods.
Preferably, a semi-cylindrical positioning groove is formed in the top end of a protruding head of one end of the drill rod main body, which is inserted into the arc-shaped long wall head, and a semi-cylindrical positioning protrusion is arranged on the bottom surface of a groove of the other end of the drill rod main body, which is inserted into the arc-shaped long wall head, and the size of the semi-cylindrical positioning protrusion is matched with that of the semi-cylindrical positioning groove. When two adjacent drilling rods are plugged, the semi-cylindrical positioning groove and the semi-cylindrical positioning protrusion are matched and plugged, so that a fixed plugging position is arranged between the two drilling rods, and smooth threaded connection between the short section sleeve and the plugging position of the two drilling rods is ensured.
Preferably, the sum of the distance between the check ring and the top end of the corresponding end part inserted arc-shaped long socket head and the distance between the limiting convex ring and the top end of the corresponding end part inserted arc-shaped long socket head is matched with the length of the short section sleeve. The pipe nipple sleeve is prevented from moving along the axial direction, the two drill rods are guaranteed to be reliably connected, and the two drill rods are prevented from being separated.
Preferably, the outer periphery of the drill rod main body between the retainer ring groove and the bottom surface of the plug-in arc-shaped great wall head of the corresponding end is provided with external threads, so that the threaded connection between the short section sleeve and the plug-in positions of the two drill rods is guided, and the smooth threaded connection between the short section sleeve and the plug-in positions of the drill rods is facilitated.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has the advantages of reasonable design, be fit for being applied to horizontal exploration more, can bear great torsional stress, relative rotation is difficult for taking place for two drilling rods of interconnect, assurance normal construction that can be better.
Drawings
FIG. 1 is a first schematic diagram of a drill rod for geological exploration;
FIG. 2 is a schematic diagram of a drill rod structure for geological exploration II (the short section sleeve and the check ring are removed).
In the figure: 1. a drill rod body; 2. inserting arc-shaped long city heads; 3. a semi-cylindrical positioning groove; 4. a retainer groove; 5. a limiting convex ring; 6. a nipple sleeve; 7. a retainer ring; 8. and a semi-cylindrical positioning bulge.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
like fig. 1 and fig. 2, drilling rod for geological exploration, including drilling rod main part 1, 1 both ends of drilling rod main part are equipped with the long city head 2 of grafting arcuation respectively, two drilling rod main part 1's the long city head 2 of grafting arcuation peg graft and constitute cylindricly, peg graft and constitute cylindric grafting arcuation long city head periphery and be equipped with complete complex external screw thread to peg graft and constitute cylindric grafting arcuation long city head 2 periphery and be equipped with nipple joint sleeve 6, 6 inner walls of nipple joint sleeve are equipped with the internal thread, internal thread and external screw thread fit connection.
In this embodiment:
the drill rod main body 1 is provided with a limiting convex ring 5 and a retaining ring groove 4 at the positions close to the two ends of the arc-shaped long city heads 2 in inserted connection, and a retaining ring 7 is arranged in the retaining ring groove 4 in a matched mode. After two drilling rods are spliced, the short section sleeve 6 is screwed, then the check ring 7 is installed at last, the short section sleeve 6 is arranged between the limiting convex ring 5 and the check ring 7, and the short section sleeve 6 is prevented from being separated from the two drilling rods.
A semi-cylindrical positioning groove 3 is formed in the top end of a protruding head of one end of the drill rod main body 1, inserted into the arc-shaped long socket head 2, and a semi-cylindrical positioning protrusion 8 is arranged on the bottom face of a groove of the other end, inserted into the arc-shaped long socket head 2, and the size of the semi-cylindrical positioning protrusion 8 is matched with that of the semi-cylindrical positioning groove 3. When two adjacent drilling rods are plugged, the semi-cylindrical positioning groove 3 and the semi-cylindrical positioning bulge 8 are matched and plugged, so that a fixed plugging position is formed between the two drilling rods, and the short section sleeve 6 can be smoothly in threaded connection with the plugging position of the two drilling rods.
The sum of the distance between the check ring 7 and the top end of the corresponding end part inserted arc-shaped long city head 2 and the distance between the limiting convex ring 5 and the top end of the corresponding end part inserted arc-shaped long city head 2 is matched with the length of the short section sleeve 6. The nipple sleeve 6 is prevented from moving along the axial direction, the two drill rods are guaranteed to be reliably connected, and the two drill rods are prevented from being separated.
The outer periphery of the drill rod main body 1 between the retainer ring groove 4 and the bottom surface of the plug-in arc-shaped long city head 2 at the corresponding end is provided with external threads, so that the threaded connection between the short section sleeve 6 and the plug-in positions of two drill rods is guided, and the smooth threaded connection between the short section sleeve 6 and the plug-in positions of the drill rods is facilitated.
In the assembling process, the short section sleeve 6 is firstly sleeved on the periphery of one of the drill rods, then the splicing arc-shaped long city heads 2 of the two drill rod main bodies 1 are aligned and spliced, then the short section sleeve 6 is moved to a splicing position, the short section sleeve 6 is rotated, and the internal thread of the short section sleeve 6 and the external thread of the periphery of the splicing arc-shaped long city head 2 which is spliced into a cylinder shape are connected in a thread matching manner. Two adjacent drill rods are inserted through the insertion arc-shaped long city heads 2, so that the relative rotation between the two drill rods is not easy to occur when the drill machine drives the drill rods to rotate, and the torque transmission efficiency is high; and the two drill rod inserting parts are in threaded connection with the short section sleeve 6, so that the two drill rods cannot be separated. Nipple joint sleeve 6 also is the inspection that goes on the grafting part when carrying out threaded connection with drilling rod grafting part, if nipple joint sleeve 6 can carry out smooth threaded connection with drilling rod grafting part, then prove that two drilling rod cooperations are inseparable, can not have the risk of relative rotation, otherwise, if nipple joint sleeve 6 can not carry out threaded connection smoothly with drilling rod grafting part, then need further beat, nipple joint sleeve 6 carries out threaded connection smoothly with drilling rod grafting part after closely until two drilling rod cooperations.
Claims (5)
1. Drill rod for geological exploration, comprising a drill rod body (1), characterized in that: the two ends of the drill rod main body (1) are respectively provided with a plug arc-shaped great wall head (2), the plug arc-shaped great wall heads (2) of the two drill rod main bodies (1) are plugged to form a cylinder, the periphery of the plug arc-shaped great wall heads which are plugged to form the cylinder is provided with complete matched external threads, the periphery of the plug arc-shaped great wall heads (2) which are plugged to form the cylinder is provided with a short section sleeve (6), the inner wall of the short section sleeve (6) is provided with internal threads, and the internal threads are matched and connected with the external threads.
2. The drill rod for geological exploration according to claim 1, characterized in that: the drill rod main body (1) is provided with a limiting convex ring (5) and a retaining ring groove (4) at the positions close to the two ends of the inserted arc-shaped long city heads (2), and the retaining ring groove (4) is internally provided with a retaining ring (7) in a matching way.
3. The drill rod for geological exploration according to claim 1, characterized in that: a semi-cylindrical positioning groove (3) is formed in the top end of a protruding head, inserted into the arc-shaped long wall head, of one end of the drill rod main body (1), a semi-cylindrical positioning protrusion (8) is arranged on the bottom face of a groove, inserted into the arc-shaped long wall head (2), of the other end of the drill rod main body, and the semi-cylindrical positioning protrusion (8) is matched with the semi-cylindrical positioning groove (3) in size.
4. The drill pipe for geological exploration according to claim 2, characterized in that: the sum of the distance between the check ring (7) and the top end of the corresponding end part inserted arc-shaped long-city head (2) and the distance between the limiting convex ring (5) and the top end of the corresponding end part inserted arc-shaped long-city head (2) is matched with the length of the short-section sleeve (6).
5. The drill pipe for geological exploration according to claim 2, characterized in that: external threads are arranged on the periphery of the drill rod main body (1) between the retainer ring groove (4) and the bottom surface of the plug-in arc-shaped long city head (2) at the corresponding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580798.7U CN214576813U (en) | 2021-03-22 | 2021-03-22 | Drill rod for geological exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580798.7U CN214576813U (en) | 2021-03-22 | 2021-03-22 | Drill rod for geological exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214576813U true CN214576813U (en) | 2021-11-02 |
Family
ID=78321029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580798.7U Active CN214576813U (en) | 2021-03-22 | 2021-03-22 | Drill rod for geological exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214576813U (en) |
-
2021
- 2021-03-22 CN CN202120580798.7U patent/CN214576813U/en active Active
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