CN216811594U - Drill rod connecting structure - Google Patents
Drill rod connecting structure Download PDFInfo
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- CN216811594U CN216811594U CN202220123356.4U CN202220123356U CN216811594U CN 216811594 U CN216811594 U CN 216811594U CN 202220123356 U CN202220123356 U CN 202220123356U CN 216811594 U CN216811594 U CN 216811594U
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- drill rod
- rod
- groove
- connecting ring
- drill
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Abstract
The utility model discloses a drill rod connecting structure which comprises a drill rod body, a connecting mechanism, a screw rod, a clamping groove, a limiting rod, a connecting block, a connecting groove, a drill rod head and a connecting ring. The beneficial effects of the utility model are: the connecting block can only the antiport after being connected with the spread groove, unable horizontal slip, thereby make go-between and the drilling rod body of rod high-speed joint be in the same place, and when the connecting block rotates the inner wall to the spread groove and contradicts, overhead draw-in groove of drilling rod just with the gag lever post phase-match, thereby only need to rotate the lead screw through the instrument, the lead screw rotates can the slip of screw drive gag lever post, the gag lever post can with the draw-in groove block to the one end slip that is close to the draw-in groove, make go-between and drilling rod head fixed connection, spacing spring on the gag lever post enables the gag lever post and stably slides at the inner wall of go-between, through gag lever post and draw-in groove block, avoid the go-between to rotate overhead the drilling rod, and then enable connecting block and spread groove stable connection, connection stability between the go-between and the drilling rod body of rod has been ensured.
Description
Technical Field
The utility model relates to a connecting structure, in particular to a drill rod connecting structure, and belongs to the technical field of drill rods.
Background
During oil and gas exploitation or pile foundation construction, drilling operation is needed, and a drilling machine is needed for the drilling operation. The drill pipe is a part of a drilling machine and is used for connecting surface equipment of the drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drill pipe must be able to withstand large internal and external pressures, twists, bends and vibrations.
However, the overall dimension of some existing drill rod connecting structures for drilling is larger than that of the drill rod, and in the process that the drill rod rotates to drive the drill bit to drill, the excessively large drill rod connecting structures possibly interfere with the drilled well body, so that the drilled well body is damaged, and unnecessary troubles are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a drill rod connecting structure which is convenient to connect, good in protection effect and simple and convenient to operate.
The utility model realizes the aim by the following technical scheme, and the drill rod connecting structure comprises a drill rod body and a connecting ring, wherein drill rod heads are arranged at two ends of the drill rod body, the diameter of the connecting ring is the same as that of the drill rod body, the drill rod heads are connected with the inner wall of the connecting ring in a sliding manner, a connecting mechanism is arranged on the connecting ring, the connecting mechanism comprises a screw rod, clamping grooves, limiting rods, connecting blocks and connecting grooves, a plurality of clamping grooves are formed in the circumferential array of the side surface of each drill rod head, a plurality of limiting rods are connected with the inner wall of the connecting ring in a sliding manner, the limiting rods are clamped with the clamping grooves, a plurality of screw rods penetrate through and are rotatably connected with the inner wall of the connecting ring, the screw rod penetrates through and is in threaded connection with the inner wall of the limiting rods, and a plurality of the connecting blocks are fixed on the circumferential array of two sides of the connecting ring, the side of the drill rod body close to the drill rod head is provided with a plurality of connecting grooves, and the connecting blocks are matched with the connecting grooves.
Preferably, in order to facilitate the stable sliding of the limiting rod on the inner wall of the connecting ring, the connecting mechanism further comprises a limiting spring, and the limiting spring is arranged between the limiting rod and the inner wall of the connecting ring.
Preferably, the cross section of the stopper rod is 'Contraband' to facilitate the engagement of the two notches on the two drill rod heads.
Preferably, in order to facilitate the use of a tool to rotate the screw rod, one end of the screw rod is an inner hexagon.
Preferably, in order to facilitate the clamping of the connecting block and the connecting groove, the connecting ring and the drill rod body are conveniently and stably connected, and the connecting block and the connecting groove are L-shaped in cross section.
Preferably, in order to stably communicate the two drill rod heads, the width of the connecting ring is equal to the sum of the lengths of the two drill rod heads.
The utility model has the beneficial effects that: the side surface circumference array of the drill rod head is provided with a plurality of clamping grooves, the inner wall of the connecting ring is connected with a plurality of limiting rods in a sliding way, the limiting rods are clamped with the clamping grooves, a plurality of screw rods penetrate through and are rotatably connected with the inner wall of the connecting ring, the screw rods penetrate through and are in threaded connection with the inner wall of the limiting rods, a plurality of connecting blocks are fixed on the two sides of the connecting ring in the circumference array way, the side surface of the drill rod body close to the drill rod head is provided with a plurality of connecting grooves, the connecting blocks are matched with the connecting grooves, the drill rod heads of the two drill rod bodies are in sliding connection and matching with the connecting ring, the connecting blocks on the side surface of the connecting ring are matched and connected with the connecting grooves on the drill rod body, then the drill rod body is rotated to connect the connecting blocks with the inner wall of the connecting grooves, the cross sections of the connecting blocks and the connecting grooves are L-shaped, the connecting blocks and the connecting grooves can only reversely rotate after being connected, and can not horizontally slide, thereby the connecting ring and the drill rod body can be quickly connected together, when the connecting block rotates to the inner wall of the connecting groove and is abutted against the connecting groove, the clamping groove on the drill rod head is just matched with the limiting rod, so that the screw rod is rotated only by a tool, the screw rod rotates to drive the limiting rod to slide in a threaded manner, the limiting rod slides towards one end close to the clamping groove and is clamped with the clamping groove, the connecting ring is fixedly connected with the drill rod head, the limiting spring on the limiting rod can enable the limiting rod to stably slide on the inner wall of the connecting ring, the connecting ring is prevented from rotating on the drill rod head by clamping the limiting rod with the clamping groove, the connecting block can be stably connected with the connecting groove, the connection stability between the connecting ring and the drill rod body is ensured, the drill rods with two rod heads are positioned in the connecting ring and can be stably abutted against and communicated, and then two drill rod bodies can be quickly and conveniently connected, and the diameter of the connecting ring is the same as the drill rod bodies, so that the connecting positions of the two drill rod bodies are flush, the use of the drill rod body is convenient, and the damage to the well surface during well drilling is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the drill pipe body, the connection mechanism, the drill pipe head and the connection ring shown in FIG. 1;
FIG. 3 is a schematic view of the connection between the drill pipe body and the coupling groove shown in FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is a schematic view illustrating a connection structure of the rod body of the drill rod and the connection groove shown in fig. 1.
In the figure: 1. the drilling rod comprises a drilling rod body, 2, a connecting mechanism, 21, a screw rod, 22, a clamping groove, 23, a limiting rod, 24, a limiting spring, 25, a connecting block, 26, a connecting groove, 3, a drilling rod head, 4 and a connecting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a drill rod connection structure includes a drill rod body 1 and a connection ring 4, wherein drill rod heads 3 are disposed at two ends of the drill rod body 1, the diameter of the connection ring 4 is the same as that of the drill rod body 1, the drill rod heads 3 are slidably connected to an inner wall of the connection ring 4, a connection mechanism 2 is disposed on the connection ring 4, the connection mechanism 2 includes a screw rod 21, a slot 22, a stop rod 23, a connection block 25 and a connection slot 26, a plurality of slots 22 are circumferentially arranged on a side surface of the drill rod head 3, a plurality of stop rods 23 are slidably connected to an inner wall of the connection ring 4, the stop rod 23 is engaged with the slot 22, the plurality of screw rods 21 are rotatably connected to an inner wall of the connection ring 4, the screw rod 21 is rotatably connected to an inner wall of the stop rod 23 through and is threadedly connected to the connection ring 4, the connection ring 25 is circumferentially arranged on two sides of the connection ring 4, the side surface of the drill rod body 1 close to the drill rod head 3 is provided with a plurality of connecting grooves 26, and the connecting block 25 is matched with the connecting grooves 26.
As a technical optimization scheme of the present invention, the connecting mechanism 2 further includes a limiting spring 24, and the limiting spring 24 is disposed between the limiting rod 23 and the inner wall of the connecting ring 4, so as to facilitate the stable sliding of the limiting rod 23 on the inner wall of the connecting ring 4.
As a technical optimization scheme of the present invention, the cross section of the limiting rod 23 is "Contraband", so as to facilitate the engagement of the locking grooves 22 on the two drill rod heads 3.
As a technical optimization scheme of the utility model, one end of the screw rod 21 is of an inner hexagon, so that the screw rod 21 can be rotated conveniently by using a tool.
As a technical optimization scheme of the utility model, the cross sections of the connecting block 25 and the connecting groove 26 are L-shaped, so that the connecting block 25 and the connecting groove 26 can be conveniently clamped, and the connecting ring 4 and the drill rod body 1 can be conveniently and stably connected.
As a technical optimization scheme of the present invention, the width of the connection ring 4 is the sum of the lengths of the two drill rod heads 3, so as to facilitate stable communication between the two drill rod heads 3.
When the utility model is used, firstly, the drill rod heads 3 of two drill rod bodies 1 are connected and matched with the connecting ring 4 in a sliding way, the connecting block 25 on the side surface of the connecting ring 4 is matched and connected with the connecting groove 26 on the drill rod body 1, then the drill rod body 1 is rotated, the connecting block 25 is connected with the inner wall of the connecting groove 26, the sections of the connecting block 25 and the connecting groove 26 are L-shaped, so that the connecting block 25 and the connecting groove 26 can only rotate reversely and cannot slide horizontally after being connected, the connecting ring 4 and the drill rod body 1 are quickly connected together, when the connecting block 25 rotates to the inner wall of the connecting groove 26 and is collided, the clamping groove 22 on the drill rod head 3 is just matched with the limiting rod 23, therefore, only by rotating the screw rod 21 through a tool, the limiting rod 23 can be driven to slide by screw threads, the limiting rod 23 can be clamped with the clamping groove 22 when sliding to one end close to the clamping groove 22, make go-between 4 and 3 fixed connection of drilling rod head, spacing spring 24 on the gag lever post 23 enables gag lever post 23 and slides steadily at the inner wall of go-between 4, through gag lever post 23 and draw-in groove 22 block, avoid go-between 4 to rotate on drilling rod head 3, and then enable connecting block 25 and spread groove 26 stable connection, the connection stability between go-between 4 and the drilling rod body of rod 1 has been ensured, thereby two drilling rod heads 3 are located the inside of go-between 4, can stabilize conflict and intercommunication, and then can be quick convenient two drilling rod bodies of rod 1 of connection, because go-between 4's diameter is the same with the drilling rod body of rod 1, thereby can guarantee two drilling rod body of rod 1 junction parallel and levels, make things convenient for the use of the drilling rod body of rod 1, avoid causing the harm to the well face when the well drilling.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a drilling rod connection structure, includes the drilling rod body of rod (1) and go-between (4), its characterized in that: the drill rod comprises a drill rod body (1), a connecting ring (4), a plurality of clamping grooves (22), a plurality of limiting rods (23), a connecting block (25) and a connecting groove (26), wherein drill rod heads (3) are arranged at two ends of the drill rod body (1), the diameter of the connecting ring (4) is the same as that of the drill rod body (1), the drill rod heads (3) are in sliding connection with the inner wall of the connecting ring (4), the connecting ring (4) is provided with a connecting mechanism (2), the connecting mechanism (2) comprises a screw rod (21), clamping grooves (22), the limiting rods (23), the connecting ring (4) and the clamping grooves (22) are arranged on the side surface of the drill rod heads (3) in a circumferential array mode, the inner wall of the connecting ring (4) is in sliding connection with the limiting rods (23), the limiting rods (23) are clamped with the clamping grooves (22), the screw rods (21) penetrate through and are in rotating connection with the inner wall of the connecting ring (4), and the screw rods (21) penetrate and are in threaded connection with the inner wall of the limiting rods (23), the drill rod comprises a drill rod body (1), a connecting ring (4) and a plurality of connecting blocks (25), wherein the connecting blocks (25) are fixed on two sides of the connecting ring (4) in a circumferential array, the side face, close to the drill rod head (3), of the drill rod body is provided with a plurality of connecting grooves (26), and the connecting blocks (25) are matched with the connecting grooves (26).
2. The drill rod coupling structure according to claim 1, wherein: the connecting mechanism (2) further comprises a limiting spring (24), and the limiting spring (24) is arranged between the limiting rod (23) and the inner wall of the connecting ring (4).
3. The drill rod coupling structure according to claim 1, wherein: the cross section of the limiting rod (23) is Contraband-shaped.
4. The drill rod coupling structure according to claim 1, wherein: one end of the screw rod (21) is of an inner hexagon.
5. The drill rod coupling structure according to claim 1, wherein: the connecting block (25) and the connecting groove (26) are L-shaped in cross section.
6. The drill rod coupling structure according to claim 1, wherein: the width of the connecting ring (4) is the sum of the lengths of the two drill rod heads (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123356.4U CN216811594U (en) | 2022-01-18 | 2022-01-18 | Drill rod connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123356.4U CN216811594U (en) | 2022-01-18 | 2022-01-18 | Drill rod connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN216811594U true CN216811594U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220123356.4U Active CN216811594U (en) | 2022-01-18 | 2022-01-18 | Drill rod connecting structure |
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| CN (1) | CN216811594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961894A (en) * | 2023-01-30 | 2023-04-14 | 江苏和信石油机械有限公司 | Connection structure between zigzag thread major diameter drilling rods |
-
2022
- 2022-01-18 CN CN202220123356.4U patent/CN216811594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961894A (en) * | 2023-01-30 | 2023-04-14 | 江苏和信石油机械有限公司 | Connection structure between zigzag thread major diameter drilling rods |
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