CN212656776U - Large-caliber double-outer-diameter drill rod joint - Google Patents

Abstract

The utility model discloses a large-caliber double-outer-diameter drill rod joint, which relates to the field of drill rods and comprises a male drill rod, a female drill rod and a joint body, the side walls of the male drill rod and the female drill rod are symmetrically and fixedly connected with two clamping blocks, one end of each clamping block is fixedly connected with a limiting rod, a hollow area is arranged in the joint body, the inner side wall of the joint body is fixedly connected with a fixed plate, through the matching use of the male drill rod, the female drill rod, the clamping block, the limiting rod, the clamping mechanism, the first spring, the second spring, the first baffle, the second baffle and the joint body, the quick disassembly and assembly work of the male drill rod and the female drill rod is realized, the operation is simple and quick, the problem that the traditional drill rod joint is inconvenient to replace is solved, and through the effect of fixed establishment, realized the stable work to public drilling rod and female drilling rod, avoided public drilling rod and female drilling rod to take place the phenomenon that drops under high strength rotation.

Description

Large-caliber double-outer-diameter drill rod joint

Technical Field

The utility model relates to a drilling rod field especially relates to a two external diameter tool joint of heavy-calibre.

Background

The existing drill rod joint mode is mostly a threaded connection mode. The threaded connection mode is that one joint is processed into an internal thread and an end surface spigot, the other joint which is in butt joint with the joint is processed into an external thread and an end surface spigot, the drill rods are driven by the power of a drilling machine to screw threads to connect two sections of drill rods, and the end surface spigot is in a tight fit state after the joints are screwed. And similarly, the two sections of drill rods are detached by driving the drill rods to unscrew the threads by the power of the drilling machine.

The drill rod adopting the threaded connection mode can only implement forward rotation drilling operation, the drill rod can never be rotated reversely during construction operation, otherwise, accidents that the drill rod or a drill bit falls into a hole can occur, when the drill rod adopts the threaded connection mode, the drill rod bears huge torque and vibration impact during the drilling construction process, so that the threaded connection is excessively fastened, the difficulty is increased when the drill rod is disassembled, even the situation that the drill rod cannot be disassembled frequently occurs, the handling is very troublesome, therefore, the threaded joint is not suitable for the construction environment with large caliber and large torque, and the problem is solved by the large-caliber double-outer-diameter drill rod joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a large-caliber double-outer-diameter drill rod joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two external diameter tool joints of heavy-calibre, includes public drilling rod, female drilling rod, joint body, two fixture blocks of the equal symmetry fixedly connected with of lateral wall of public drilling rod and female drilling rod, the one end fixedly connected with gag lever post of fixture block, this internal hollow area that is provided with of joint, the inside wall fixedly connected with fixed plate of joint body, two first springs of fixedly connected with and two second springs respectively in the both sides of fixed plate, the first baffle of fixedly connected with on the first spring, the fixedly connected with second baffle on the second spring, the joint mechanism has been seted up in the joint body, the lateral wall of joint body rotates and is connected with fixed establishment.

Preferably, the clamping mechanism comprises a guide notch arranged in the joint body, a guide sliding groove matched with the guide notch is arranged in the joint body, a sliding groove is arranged in the joint body, and a circular groove is arranged in the joint body.

Preferably, the fixing mechanism comprises a pull rod which is connected in the joint body and the limiting rod in a penetrating and rotating mode, the pull rod is tightly abutted to the guide sliding groove, and a third spring is fixedly connected to the pull rod.

Preferably, the guide notch is matched with the clamping block.

Preferably, the sliding groove is matched with the limiting rod, and the circular groove is matched with the limiting rod.

Preferably, a notch matched with the pull rod is formed in the joint body.

The utility model has the advantages that: the male drill rod and the female drill rod are respectively inserted into the drill rod joint through the matching use of the male drill rod, the female drill rod, the joint body, the first spring, the second spring, the first baffle, the second baffle, the clamping block, the limiting rod, the guide notch, the guide sliding groove, the sliding groove and the circular groove, the male drill rod and the female drill rod respectively extrude the first spring and the second spring through the first baffle and the second baffle, the clamping block can enter the guide notch, the clamping block and the limiting rod can rotate through rotating the male rotating rod and the female rotating rod, when the male drill rod and the female drill rod rotate to the appointed positions, the male rotating rod and the female rotating rod are loosened, and the limiting rod can be clamped into the circular groove due to the action of the first spring and the second spring, so that the connection work of the male drill rod and the female drill rod is realized, and the operation is simple and convenient;

through the matching use of the limiting rod, the pull rod, the third spring and the guide sliding groove, after the male drill rod and the female drill rod are connected through the joint body, the pull rod is inserted into the joint body and penetrates through the limiting rod to be abutted against the guide sliding groove, so that the stable work of the male drill rod and the female drill rod is realized, and the phenomenon that the male drill rod and the female drill rod fall off under high-strength rotation is avoided;

to sum up, through the cooperation use between public drilling rod, female drilling rod, the fixture block, the gag lever post, clamping mechanism, first spring, the second spring, first baffle, the second baffle, the joint body, realized the quick dismantlement installation work to public drilling rod and female drilling rod, easy operation, swift, solved the problem that traditional drilling rod connects the change of not being convenient for to through fixed establishment's effect, realized the steady operation to public drilling rod and female drilling rod, avoided public drilling rod and female drilling rod to take place the phenomenon that drops under the high strength rotation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is a side view of a tool joint of the present invention.

Fig. 3 is a schematic view of the state structure of the present invention.

Fig. 4 is an enlarged view of the position a of the present invention.

Reference numbers in the figures: 1 public drilling rod, 2 female drilling rods, 3 fixture blocks, 4 gag lever posts, 5 joint bodies, 6 hollow areas, 7 third spring, 8 fixed plates, 9 first spring, 10 first baffle, 11 second spring, 12 second baffle, 13 direction breach, 14 spout, 15 circular recess, 16 direction spouts, 17 pull rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a large-caliber double-outer-diameter drill rod joint comprises a male drill rod 1, a female drill rod 2 and a joint body 5, wherein the side walls of the male drill rod 1 and the female drill rod 2 are symmetrically and fixedly connected with two clamping blocks 3, one end of each clamping block 3 is fixedly connected with a limiting rod 4, a hollow area 6 is arranged in the joint body 5, the inner side wall of the joint body 5 is fixedly connected with a fixing plate 8, two sides of the fixing plate 8 are respectively and fixedly connected with two first springs 9 and two second springs 11, a first baffle plate 10 is fixedly connected to each first spring 9, a second baffle plate 12 is fixedly connected to each second spring 11, a clamping mechanism is arranged in the joint body 5 and comprises a guide notch 13 arranged in the joint body 5, the guide notch 13 is matched with the clamping block 3, a guide chute 16 matched with the guide notch 13 is arranged in the joint body 5, and a, be provided with circular recess 15 in the joint body 5, spout 14 and gag lever post 4 phase-match, circular recess 15 and gag lever post 4 phase-match, the lateral wall of joint body 5 rotates and is connected with fixed establishment, and fixed establishment is including running through the pull rod 17 of rotation connection in joint body 5 and gag lever post 4, connects this internal being provided with of body with pull rod 17 assorted notch, pull rod 17 and 16 offsets tightly of direction spout, fixedly connected with third spring 7 on the pull rod 17.

The working principle is as follows: firstly, the male drill rod 1 and the female drill rod 2 are respectively inserted into an empty and new area 6 in the joint body 5, the male drill rod 1 and the female drill rod 2 can extrude a first baffle 10 and a second baffle 12, so as to extrude a first spring 9 and a second spring 11, at the moment, the fixture block 3 and the limiting rod 4 can enter a guide notch 13, then, by rotating the male drill rod 1 and the female drill rod 2, the male drill rod 1 and the female drill rod 2 can rotate to drive the fixture block 3 and the limiting rod 4 to rotate in a guide chute 16 and a chute 14, when the specified positions are reached, the male drill rod 1 and the female drill rod 2 are loosened, due to the action of the first spring 9 and the second spring 11, the revolution rod 1 and the female drill rod 2 can move outwards, at the moment, the limiting rod 1 can enter a circular groove 15, so as to realize the clamping work of the male drill rod 1 and the female drill rod 2, and after the clamping work of the male drill rod 1 and the female drill rod 2 is completed, the, and run through gag lever post 4 and the counterbalance of direction spout 16 to realized the auxiliary fixation work to public drilling rod 1 and female drilling rod 2, avoided because high strength rotates and takes place the obscission, when needs are torn public drilling rod 1 and female drilling rod 2 open, extract pull rod 17 earlier, rethread extrusion public drilling rod 1 and female drilling rod 2 to rotate public drilling rod 1 and female drilling rod 2, take out gag lever post 4 from the circular recess, thereby realized the dismantlement work to public drilling rod 1 and female drilling rod 2.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A large-caliber double-outer-diameter drill rod joint comprises a male drill rod (1), a female drill rod (2) and a joint body (5), it is characterized in that the side walls of the male drill rod (1) and the female drill rod (2) are symmetrically and fixedly connected with two clamping blocks (3), one end of the clamping block (3) is fixedly connected with a limiting rod (4), a hollow area (6) is arranged in the joint body (5), the inner side wall of the joint body (5) is fixedly connected with a fixed plate (8), two sides of the fixed plate (8) are respectively and fixedly connected with two first springs (9) and two second springs (11), a first baffle (10) is fixedly connected on the first spring (9), a second baffle (12) is fixedly connected on the second spring (11), the connector is characterized in that a clamping mechanism is arranged in the connector body (5), and a fixing mechanism is rotatably connected to the side wall of the connector body (5).

2. The large-caliber double-outer-diameter drill rod joint as recited in claim 1, wherein the clamping mechanism comprises a guide notch (13) formed in the joint body (5), a guide sliding groove (16) matched with the guide notch (13) is formed in the joint body (5), a sliding groove (14) is formed in the joint body (5), and a circular groove (15) is formed in the joint body (5).

3. The large-caliber double-outer-diameter drill rod joint as recited in claim 1, wherein the fixing mechanism comprises a pull rod (17) which is connected in the joint body (5) and the limiting rod (4) in a penetrating and rotating manner, the pull rod (17) is tightly abutted to the guide sliding groove (16), and a third spring (7) is fixedly connected to the pull rod (17).

4. The large-caliber double-outer-diameter drill rod joint as claimed in claim 2, wherein the guide notch (13) is matched with the fixture block (3).

5. A large-caliber double-outer-diameter drill rod joint according to claim 2, wherein the sliding groove (14) is matched with the limiting rod (4), and the circular groove (15) is matched with the limiting rod (4).

6. A large-caliber double-outer-diameter drill pipe joint according to claim 3, wherein a notch matched with the pull rod (17) is formed in the joint body (5).

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