Foldable geological sampling drill rod and quick connecting and locking structure
By designing a foldable geological sampling drill pipe and a quick-connect locking structure, the problems of difficult carrying and transportation and unstable connection of traditional drill pipes have been solved, enabling efficient use and stable connection of drill pipes in complex terrain.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional geological sampling drill rods are long, making them difficult to carry and transport. The connection method is prone to loosening, and they are inconvenient to use in complex terrain, increasing exploration costs and time.
A foldable geological sampling drill rod was designed. The drill rod body and the foldable auxiliary rod are foldable by the cooperation of the limiting slide groove and the connecting block. A quick connection locking structure is adopted, including trapezoidal locking holes and extrusion bolts, to ensure that the drill rod has high strength and stability after assembly.
It enables convenient carrying and transportation of drill pipes, reduces exploration costs, improves the stability and connection strength of drill pipes in complex terrain, and avoids loosening problems caused by changes in the rotation direction of drill pipes.
Smart Images
Figure CN224107222U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geological sampling drill rod technical field more specifically, the utility model relates to a kind of foldable geological sampling drill rod and quick connection locking structure. BACKGROUND
[0002] In geological exploration work, drill rod is used to connect drilling machine and drill bit, and it is the key component to realize drilling and geological sample collection. Its performance directly affects the efficiency, quality and cost of exploration work. With the deepening of geological exploration work, the requirements for drill rod are becoming higher and higher.
[0003] Traditional geological sampling drill rod is usually one-piece or multi-section non-foldable structure. Single drill rod is long. In field exploration operation, especially in complex terrain, traffic is inconvenient in mountainous or remote areas. It is difficult to carry and transport long drill rod. Large transport equipment is needed for handling. In the transportation process, it is limited by terrain, which increases exploration cost and time cost. The connection mode of traditional drill rod is usually threaded connection. It is easy to cause connection loosening due to change of drill rod rotation direction, or cause wear and tear, wire slipping and other situations due to frequent disassembly, which leads to insecure connection. Therefore, a foldable geological sampling drill rod and quick connection locking structure are proposed. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a foldable geological sampling drill rod and quick connection locking structure to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foldable geological sampling drill rod, comprising a drill rod main body, a recess is formed in the top of the drill rod main body, limit sliding grooves are symmetrically formed in the inner cavity of the recess, a first fixed through hole is formed in the top end of the drill rod main body, a first connecting block is arranged in the middle of the recess, limit columns are symmetrically fixed to the two sides of one end of the first connecting block, the first connecting block can connect the drill rod main body and the folding secondary rod, and the first connecting block can be removed from the inside of the limit sliding groove and folded to make the folding secondary rod parallel to one side of the drill rod main body. The limit sliding groove and the limit column are matched to limit the moving position of the first connecting block, so as to avoid the first connecting block from falling off.
[0006] One end of the first connecting block is connected with a folding auxiliary rod, the folding auxiliary rod is fixedly connected with a second connecting block near one end of the first connecting block, two sides of the folding auxiliary rod near one end of the first connecting block are symmetrically provided with cut grooves, the middle part of the cut groove is provided with a second fixed hole, and the middle part of the second fixed hole is inserted with a fixed rod, one end of the fixed rod is sleeved with a nut, and the second connecting block is rotatably connected with the first connecting block, so that the folding auxiliary rod can be folded on the side of the drill rod body, and when the folding auxiliary rod and the drill rod body are combined and connected, one end of the folding auxiliary rod is inserted into the recess, the second fixed hole corresponds to the first fixed hole, and the fixed rod penetrating the middle parts of the first fixed hole and the second fixed hole can fix the position of the folding auxiliary rod, so that the fixing strength of the combined connection of the drill rod body and the folding auxiliary rod is improved, and the overall strength and stability of the drill rod in the drilling process are ensured.
[0007] Preferably, one side of the opening of the recess is connected with the outside, the first connecting block is matched with the recess, and the bottom end of the folding auxiliary rod extends to the inside of the recess, so that the first connecting block can be controlled to be perpendicular to the drill rod body, the first connecting block is rotated by ninety degrees, the folding auxiliary rod can be rotated to one side of the drill rod body to realize the folding work of the folding auxiliary rod and the drill rod body, the overall length is reduced, and the folding auxiliary rod is convenient to carry, store and use.
[0008] Preferably, the limiting columns correspond to the limiting sliding grooves one by one, the limiting columns are arranged in the middle parts of the limiting sliding grooves, the second connecting block is arranged in the middle part of one end of the first connecting block, and the second connecting block is rotatably connected with one end of the first connecting block through a rotating shaft. Through the cooperation of the limiting columns and the limiting sliding grooves, the movement distance of the first connecting block can be limited, and through the rotatable connection of the second connecting block and the first connecting block, the folding auxiliary rod can be conveniently rotated and folded for use.
[0009] Preferably, the second fixed hole corresponds to the first fixed hole, and the second fixed hole is matched with the first fixed hole.
[0010] Preferably, the middle part of the fixed rod penetrates the first fixed hole, and the nut and the screw head at one end of the fixed rod are respectively embedded on both sides of the top end of the drill rod body. Through the middle part of the fixed rod penetrating the second fixed hole and the first fixed hole, the position of the folding auxiliary rod can be fixed, so that the folding auxiliary rod is fixed on the top of the drill rod body, and the strength of the combined and fixed drill rod body and folding auxiliary rod is improved.
[0011] Preferably, the utility model still provides a quick -witted locking structure of connecting, apply to above -mentioned a kind of collapsible geological sampling drill rod, the locking structure includes the plug block being fixed in the bottom of drill rod main body, the middle part of the plug block is equipped with trapezoidal lock hole, the bottom end outer surface of drill rod main body is equipped with limiting ring groove, the bottom end of drill rod main body is equipped with threaded sleeve, the top end of folding sub-shaft is equipped with insertion slot, the top end side of folding sub-shaft is inserted with extrusion bolt in thread,
[0012] Preferably, the plug block is matched with the insertion slot, the bottom wall of the trapezoidal lock hole is provided with an inclined surface, the trapezoidal lock hole corresponds to the extrusion bolt, the inner thread of the threaded sleeve is matched with the thread at the top end of the folding sub-shaft, and the inner cavity of the threaded sleeve is provided with a limiting ring matched with the limiting ring groove. By inserting the plug block at the bottom of another drill rod main body into the insertion slot, the end of the extrusion bolt corresponds to the trapezoidal lock hole. By rotating the extrusion bolt to extrude the inclined surface wall at the bottom of the inner cavity of the trapezoidal lock hole, the position of the plug block can be fixed, and the two drill rod main bodies are tightly fitted. The axial pressure, torque and vibration can be effectively resisted. By rotating the threaded sleeve, the threaded sleeve can be sleeved on the top end of the corresponding folding sub-shaft, so that the connection strength of the two drill rod main bodies can be improved, and the drill rod connection part can be prevented from loosening due to external force during drilling.
[0013] The utility model has the following technical effects and advantages:
[0014] 1. The utility model discloses a first connecting block, which is arranged to connect the folding sub-shaft and the drill rod main body to form a long drill rod. When carrying, the folding sub-shaft can be folded parallel to the side surface of the drill rod main body through the first connecting block, so that the overall length is shortened, and the folding sub-shaft is convenient to carry and transport. When the folding sub-shaft is used in combination, the first connecting block is moved into the recess, one end of the folding sub-shaft is inserted into the recess, the second fixed hole corresponds to the first fixed hole, and the folding sub-shaft is locked by inserting the fixed rod, so that the folding sub-shaft is tightly fixed, and the folding sub-shaft is convenient to connect.
[0015] The utility model discloses a plug block, which is inserted into the insertion slot. By rotating the extrusion bolt and inserting it into the trapezoidal lock hole, the inclined surface wall at the bottom of the inner cavity of the trapezoidal lock hole is extruded and fixed, so that the two drill rod main bodies are fixed in combination. The plug block generates a force that continuously inserts into the insertion slot, the overall strength of the connection between the two drill rod main bodies is improved, the overall strength and stability of the drill rod during drilling are ensured, the connection strength is not affected by the change of the rotation direction of the drill rod, and the extrusion bolt does not need to be frequently removed during disassembly. The extrusion bolt can be removed by moving one end of the extrusion bolt out of the trapezoidal lock hole, so that the use effect is improved.
[0016] In summary, through the mutual influence of the above-mentioned multiple effects, the folding of the folding auxiliary rod is facilitated, the overall length is shortened, the carrying and transportation use are facilitated, the overall strength is not affected after combination, and the multiple drill rod bodies are conveniently combined and connected for use, so that the overall strength and stability of the drill rod in the drilling process are ensured, and the connection strength is not affected by the change of the rotation direction of the drill rod. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an overall structure schematic view of the present application.
[0018] Figure 2 It is a cross-section structure schematic view of the present application.
[0019] Figure 3 It is a split structure schematic view of the present application.
[0020] Figure 4 It is an overall structure schematic view of the present application Figure 3 It is a local enlarged structure schematic view of the present application.
[0021] Figure 5 It is a folding state structure schematic view of the present application.
[0022] The figure marks are: 1, drill rod body; 2, groove; 3, limiting sliding groove; 4, first fixed through hole; 5, first connecting block; 6, limiting column; 7, folding auxiliary rod; 8, second connecting block; 9, cutting groove; 10, second fixed through hole; 11, fixed rod; 12, nut; 13, insertion slot; 14, extrusion bolt; 15, insertion block; 16, trapezoidal lock hole; 17, limiting ring groove; 18, threaded sleeve. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] As shown in the accompanying Figures 1-5The utility model provides a foldable geological sampling drill rod, including drill rod main part 1, the top of drill rod main part 1 is seted up with recess 2, the inner chamber both sides of recess 2 are seted up with limit sliding slot 3, the top of drill rod main part 1 is seted up with first fixed through -hole 4, the middle part of recess 2 is provided with first connecting block 5, and one end both sides of first connecting block 5 are fixedly connected with limit post 6, drill rod main part 1 can be connected with folding vice rod 7 by first connecting block 5, and folding vice rod 7 can be parallel in one side of drill rod main part 1 by removing one end of first connecting block 5 from the inside of limit sliding slot 3 and folding, the moving position of first connecting block 5 is limited by the cooperation of limit post 6 and limit sliding slot 3, and it avoids that first connecting block 5 falls off;
[0025] One end of first connecting block 5 is connected with folding vice rod 7, and second connecting block 8 is fixedly connected to one end of folding vice rod 7 close to first connecting block 5, cutting groove 9 is seted up to both sides of one end of folding vice rod 7 close to first connecting block 5, second fixed through -hole 10 is seted up to the middle part of cutting groove 9, and fixed rod 11 is inserted into the middle part of second fixed through -hole 10, the one end of fixed rod 11 is sleeved with nut 12, and folding vice rod 7 is folded on the side of drill rod main part 1 by the rotary connection of second connecting block 8 and first connecting block 5, and the end of folding vice rod 7 is inserted into the inside of recess 2 and makes second fixed through -hole 10 correspond with first fixed through -hole 4 by the setting of cutting groove 9 when folding vice rod 7 is combined with drill rod main part 1, and the position of folding vice rod 7 is fixed by the fixed rod 11 through the middle part of first fixed through -hole 4 and second fixed through -hole 10, so as to improve the fixed strength of the combined connection of drill rod main part 1 and folding vice rod 7, guarantee the overall strength and stability of drill rod in the drilling process.
[0026] As shown in the accompanying drawings Figures 1-5The opening side of the groove 2 communicates with the outside, the first connecting block 5 is matched with the groove 2, the bottom end of the folding auxiliary rod 7 extends to the inside of the groove 2, the limiting column 6 corresponds to the limiting sliding groove 3 one by one, the limiting column 6 is arranged in the middle part of the limiting sliding groove 3, the second connecting block 8 is arranged in the middle part of one end of the first connecting block 5, the second connecting block 8 is rotationally connected with one end of the first connecting block 5 through a rotating shaft, the second fixed through hole 10 corresponds to the first fixed through hole 4, the second fixed through hole 10 is matched with the first fixed through hole 4, the fixed rod 11 penetrates the middle part of the first fixed through hole 4, the screw nut 12 and the screw head of one end of the fixed rod 11 are respectively embedded on both sides of the top end of the drill rod body 1, the opening side of the groove 2 communicates with the outside, so that the first connecting block 5 can be conveniently controlled to be perpendicular to the drill rod body 1, the first connecting block 5 is rotated by 90 degrees, at this time, the folding auxiliary rod 7 can be rotated to one side of the drill rod body 1 to realize the folding work of the folding auxiliary rod 7 and the drill rod body 1, the overall length is reduced, and the folding auxiliary rod 7 is conveniently carried, stored and used, the movement distance of the first connecting block 5 can be limited through the cooperation of the limiting column 6 and the limiting sliding groove 3, the folding auxiliary rod 7 can be conveniently rotated and folded for use through the rotation connection of the second connecting block 8 and the first connecting block 5, the position of the folding auxiliary rod 7 can be fixed through the fixed rod 11 penetrating the middle part of the second fixed through hole 10 and the first fixed through hole 4, so that the folding auxiliary rod 7 is fixed on the top of the drill rod body 1, and the strength of the drill rod body 1 and the folding auxiliary rod 7 after combination and fixation is improved.
[0027] As shown in the accompanying drawings, Figures 2-4 The utility model also provides a quick connection locking structure for the above-mentioned foldable geological sampling drill rod, the locking structure comprises an insertion block 15 fixed at the bottom of the drill rod body 1, a trapezoidal lock hole 16 is formed in the middle part of the insertion block 15, a limiting ring groove 17 is formed on the outer surface of the bottom end of the drill rod body 1, a threaded sleeve 18 is arranged on the bottom end of the drill rod body 1, an insertion slot 13 is formed in the top end of the folding auxiliary rod 7, an extrusion bolt 14 is threadedly inserted into one side of the top end of the folding auxiliary rod 7, the insertion block 15 is matched with the insertion slot 13, the inner wall of the trapezoidal lock hole 16 is formed as an inclined surface, the trapezoidal lock hole 16 corresponds to the extrusion bolt 14, the inner thread of the threaded sleeve 18 is matched with the thread on the top end of the folding auxiliary rod 7, and a limiting ring matched with the limiting ring groove 17 is arranged in the inner cavity of the threaded sleeve 18. By inserting the insertion block 15 at the bottom of the other drill rod body 1 into the inside of the insertion slot 13, one end of the extrusion bolt 14 corresponds to the trapezoidal lock hole 16. Only by rotating the extrusion bolt 14 can one end of the extrusion bolt 14 extrude the inclined surface wall in the inner cavity of the trapezoidal lock hole 16, so that the position of the insertion block 15 can be fixed, and the two drill rod bodies 1 can be tightly combined to effectively resist axial pressure, torque and vibration. By rotating the threaded sleeve 18, the threaded sleeve 18 can be sleeved on the top end of the corresponding folding auxiliary rod 7 to improve the connection strength of the two drill rod bodies 1, and prevent the drill rod connection part from loosening due to external force during drilling.
[0028] The utility model discloses a working principle: when using, need to use the combination of folding auxiliary rod 7 and drill rod main body 1, need to remove fixed rod 11 from the middle part of second fixed through hole 10, then rotate first connecting block 5 and folding auxiliary rod 7 and make first connecting block 5 slide into the inside of recess 2, then make one end of folding auxiliary rod 7 vertically insert the inside of recess 2 to make second fixed through hole 10 and first fixed through hole 4 correspond,
[0029] Then fixed rod 11 is threaded through first fixed through hole 4 and second fixed through hole 10 and is screwed with nut 12, and the combination of drill rod main body 1 and recess 2 can be completed;
[0030] When needing to fold folding auxiliary rod 7 and carry, remove fixed rod 11 and pull folding auxiliary rod 7 to drive one end of first connecting block 5 to remove from the inside of recess 2, and rotate first connecting block 5 to make first connecting block 5 be perpendicular on the top of drill rod main body 1, and rotate folding auxiliary rod 7 to make folding auxiliary rod 7 be parallel on the side of drill rod main body 1, and the overall length of carrying can be reduced;
[0031] When needing to combine two drill rods, insert plug block 15 of one end of the other side drill rod main body 1 into the inside of insertion slot 13, and make trapezoidal lock hole 16 correspond with extrusion bolt 14, then rotate extrusion bolt 14 to make one end of extrusion bolt 14 insert the inside of trapezoidal lock hole 16 and extrude the bottom wall of trapezoidal lock hole 16, make plug block 15 generate the force of continuously inserting the inside of insertion slot 13, improve the tightness of the combination of two drill rods, and rotate threaded sleeve 18 and cover on corresponding folding auxiliary rod 7, complete the overall combination, guarantee the overall strength and stability of drill rod in the process of drilling.
[0032] The above only is the preferred embodiment of the utility model and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that are made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A foldable geological sampling drill pipe, comprising a drill pipe body (1), characterized in that: The top of the drill rod body (1) is provided with a groove (2), and the inner cavity of the groove (2) is symmetrically provided with limit sliding grooves (3). The top of the drill rod body (1) is provided with a first fixed through hole (4), and the middle of the groove (2) is provided with a first connecting block (5). One end of the first connecting block (5) is symmetrically fixedly connected with limit posts (6). One end of the first connecting block (5) is connected to a folding auxiliary rod (7). The end of the folding auxiliary rod (7) near the first connecting block (5) is fixedly connected to a second connecting block (8). The two sides of the folding auxiliary rod (7) near the first connecting block (5) are symmetrically provided with grooves (9). The middle of the groove (9) is provided with a second fixing through hole (10). A fixing rod (11) is inserted into the middle of the second fixing through hole (10). A nut (12) is sleeved on one end of the fixing rod (11).
2. The foldable geological sampling drill rod according to claim 1, characterized in that: The opening of the groove (2) is connected to the outside on one side. The first connecting block (5) is adapted to the groove (2). The bottom end of the folding auxiliary rod (7) extends into the interior of the groove (2).
3. The foldable geological sampling drill rod according to claim 1, characterized in that: The limiting post (6) corresponds one-to-one with the limiting slide (3). The limiting post (6) is located in the middle of the limiting slide (3). The second connecting block (8) is located in the middle of one end of the first connecting block (5). The second connecting block (8) is rotatably connected to one end of the first connecting block (5) through a rotating shaft.
4. A foldable geological sampling drill rod according to claim 1, characterized in that: The second fixing through hole (10) corresponds to the first fixing through hole (4), and the second fixing through hole (10) is adapted to the first fixing through hole (4).
5. A foldable geological sampling drill rod according to claim 1, characterized in that: The fixing rod (11) passes through the middle of the first fixing through hole (4), and the nut (12) and the screw head at one end of the fixing rod (11) are respectively embedded on both sides of the top of the drill rod body (1).
6. A quick-connect locking structure, applied to a foldable geological sampling drill pipe as described in any one of claims 1-5, characterized in that: The locking structure includes a plug (15) fixed to the bottom of the drill rod body (1), a trapezoidal locking hole (16) is provided in the middle of the plug (15), a limiting ring groove (17) is provided on the outer surface of the bottom end of the drill rod body (1), a threaded sleeve (18) is provided on the bottom end of the drill rod body (1), a slot (13) is provided on the top end of the folding auxiliary rod (7), and a compression bolt (14) is threaded into one side of the top end of the folding auxiliary rod (7).
7. The quick-connect locking structure according to claim 6, characterized in that: The insert (15) is adapted to the slot (13), the bottom wall of the inner cavity of the trapezoidal lock hole (16) is set as an inclined surface, the trapezoidal lock hole (16) corresponds to the extrusion bolt (14), the inner thread of the threaded sleeve (18) is adapted to the top thread of the folding auxiliary rod (7), and the inner cavity of the threaded sleeve (18) is provided with a limiting ring adapted to the limiting ring groove (17).