CN218376357U

CN218376357U - Expansion buckle prevention drilling tool joint

Info

Publication number: CN218376357U
Application number: CN202222820265.9U
Authority: CN
Inventors: 吕宗泽; 王瑶; 苏浩宾
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-24
Anticipated expiration: 2032-10-26

Abstract

The utility model provides an expansion buckle prevention drilling tool joint, which comprises a pipe body, wherein the other side of the pipe body is fixedly connected with a second fixed block, one end of the second fixed block is fixedly connected with a second threaded rod, the surface of the second threaded rod is laminated with a wear-resistant protective layer, one end of the second threaded rod is fixedly connected with an expansion plug, and one side of the expansion plug is movably connected with an expansion sleeve; the utility model provides a pair of prevent expanding and detain drilling tool joint passes through the second threaded rod, wear-resistant protective layer, the setting of inflation end cap and inflation cover, when appearing expanding and detaining the phenomenon because of external force influence down the second threaded rod, inflation end cap and inflation cover can withstand the drilling rod, alleviate the pressure of expanding and detaining for the second threaded rod, the ability of the second threaded rod of preventing expanding and detaining has been strengthened, and the reaction time after drilling rod and drilling tool appear breaking away from has still been improved, let the workman in time maintain, wear-resistant protective layer also lets the second threaded rod strengthen anti-wear ability, the probability of expanding and detaining has been reduced to the second threaded rod appearance.

Description

Expansion buckle prevention drilling tool joint

Technical Field

The utility model relates to a drilling tool correlation technique field especially relates to an anti-expansion buckle drilling tool joint.

Background

The drilling tool is a tool used for drilling holes, drilling holes and the like, and mainly comprises a drilling tool, a metallurgical furnace drilling tool and the like, all components of the drilling tool are made of high-quality seamless steel pipes, the drilling tool has excellent physical and mechanical properties and can bear alternating load, fatigue and abrasion of the drilling tool in the drilling process, the deeper the drilling hole is, the higher the requirement on the performance of the drilling tool is, the drilling tool is scrapped due to abrasion and corrosion after a certain working period, the drilling tool consists of an active drilling rod, a core tube, a bottom reamer and a drill bit, and a drilling tool joint is a necessary component for connecting the active drilling rod, the core tube, the bottom reamer and the drill bit.

In the chinese granted patent publication No. CN203035111U, a curved surface double-shoulder drill joint, a radial surface of an internal thread root of a taper portion of an internal thread joint is a curved surface auxiliary shoulder a, and a radial surface of an external thread head of a taper portion of an external thread joint is a curved surface auxiliary shoulder B; the radial surface of the head part of the internal thread of the conical part of the internal thread joint is an annular main circular bead A, and the radial surface of the root part of the external thread of the conical part of the external thread joint is an annular main circular bead B; the length of the external thread joint cone part is equal to that of the API corresponding specification thread, and the length of the internal thread joint cone part is longer than that of the external thread joint cone part; it is interior, the tapering of external screw thread, the impartial same with API connector thread of tooth height and pitch, this curved surface double circular bead drilling tool joint has increased the area of contact of vice circular bead more than 31.4% than the ordinary double circular bead drilling tool joint, thereby can effectively improve torsional strength, the joint design is simple, easy processing, but this curved surface double circular bead drilling tool joint is in the course of the work, the drilling rod passes through the drilling tool joint and is connected with the drill bit, behind the drilling tool joint live time overlength, when the drilling tool drops to the ground bottom, probably because of the long-term wearing and tearing of external force influence down and drilling tool connector thread department reason, lead to threaded connection the buckle phenomenon of expanding to appear, let drilling rod and drilling tool appear breaking away from, appear the drilling rod in the work progress and break away from the words, can cause unnecessary harm for the work progress.

Therefore, it is necessary to provide an expansion-buckle-proof tool joint to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent that expansion buckle drilling tool connects has solved the problem that proposes among the above-mentioned background art.

For solving the technical problem, the utility model provides a pair of prevent expanding and detain drilling tool joint, which comprises a pipe body, the first fixed block of one side fixedly connected with of body, fixing bolt has been run through to one side of first fixed block, fixing bolt's one end swing joint has first movable sleeve, one side of first fixed block is provided with the connecting rod, the first threaded rod of one end fixedly connected with of connecting rod, one side swing joint of first threaded rod has the thread bush, the opposite side fixedly connected with second fixed block of body, the one end fixedly connected with second threaded rod of second fixed block, the surface laminating of second threaded rod has wear-resisting protective layer, the one end fixedly connected with inflation end cap of second threaded rod, one side swing joint of inflation end cap has the inflation cover.

Preferably, the outside of body is provided with the telescope tube, the inside swing joint of telescope tube has the protective sheath, the top of telescope tube is provided with fixed knob.

Preferably, the first movable sleeve is in threaded connection with the first fixing block through a fixing bolt, and the fixing bolt is symmetrically arranged with the central axis of the first fixing block.

Preferably, the threaded sleeve is in threaded connection with the first threaded rod, and the center line of the threaded sleeve is matched with the center line of the first threaded rod.

Preferably, a second movable sleeve is arranged in front of the threaded sleeve, one end of the second movable sleeve is movably connected with an expansion bracket, and one end of the expansion bracket is fixedly connected with a threaded block.

Preferably, the thread block and the connecting rod form a telescopic structure through a telescopic frame, and the connecting rod and the telescopic frame are distributed in a crossed mode.

Preferably, the wear-resistant protective layer is attached to the second threaded rod, and the size of the wear-resistant protective layer is matched with that of the second threaded rod.

Compared with the prior art, the utility model provides a pair of prevent expanding and detain drilling tool joint has following beneficial effect:

1. the utility model provides a prevent that expansion is detained drilling tool joint, through the setting of second threaded rod, wear-resisting protective layer, inflation end cap and expansion sleeve, when second threaded rod and drilling rod carry out swivelling joint, the inflation end cap is followed the second threaded rod and is retracted in the expansion sleeve, the inflation end cap struts the expansion sleeve, the expansion sleeve props the drilling rod with the inflation end cap, when the second threaded rod appears expanding and detaining the phenomenon because of external force influence down, inflation end cap and expansion sleeve can withstand the drilling rod, alleviate the pressure that expands and detains for the second threaded rod, the ability of second threaded rod anti-expansion knot has been strengthened, and the reaction time after drilling rod and drilling tool appear breaking away from has still been improved, let the workman in time maintain, wear-resisting protective layer also lets the second threaded rod strengthen anti-wear ability, the probability that the second threaded rod appears expanding and detaining has been reduced, the use of cooperation like this has reduced the probability that the drilling rod breaks away from in the work progress, avoid the drilling rod to break away from and cause unnecessary harm for the work progress;

2. the utility model provides an anti-expansion buckle drilling tool joint, through the setting of thread bush, second movable sleeve, expansion bracket and thread block, can freely adjust the width of expansion bracket through the thread bush, let the device not confine the drill bit that the connection size is the same size, can adapt to the drill bit of different size sizes, be connected drill bit and drilling rod through the device, when having avoided meeting the drill bit of different size sizes, go to change the drilling tool joint repeatedly, thereby hinder the problem of efficiency of construction, and the benefit of setting like this has also reduced the use cost of frequently changing the drilling tool joint, has improved the rate of utilization of the device;

3. the utility model provides a prevent that expansion buckle drilling tool connects, through the flexible cover, the setting of protective sheath and fixed knob, the length of protective sheath can freely be adjusted to the flexible cover, and the protective sheath can be for the drilling tool in the construction, the threaded connection department of protection drilling rod and drill bit avoids threaded connection department because under the influence of external factor, lead to the second threaded rod to appear expanding and detain the phenomenon, the probability that expansion buckle appears has been reduced, the device's life has been prolonged, the integrality of second threaded rod has also been protected from the side like this, the ability of the anti-expansion buckle of improvement second threaded rod.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an expansion buckle prevention drill tool joint provided by the present invention;

FIG. 2 is a schematic structural view of the telescopic sleeve shown in FIG. 1;

FIG. 3 is a schematic structural view of the telescopic frame shown in FIG. 1;

FIG. 4 is a schematic view of the threaded sleeve of FIG. 1;

fig. 5 is a schematic structural view of the expansion shell shown in fig. 1.

The reference numbers in the figures: 1. a tube body; 2. a telescopic sleeve; 3. a protective sleeve; 4. fixing the knob; 5. a first fixed block; 6. fixing the bolt; 7. a first movable sleeve; 8. a connecting rod; 9. a first threaded rod; 10. a threaded sleeve; 11. a second movable sleeve; 12. a telescopic frame; 13. a thread block; 14. a second fixed block; 15. a second threaded rod; 16. a wear-resistant protective layer; 17. an expansion plug; 18. an expansion sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of an expansion buckle prevention drill joint according to the present invention; FIG. 2 is a schematic structural view of the bellows shown in FIG. 1; FIG. 3 is a schematic structural view of the telescoping boom of FIG. 1; FIG. 4 is a schematic view of the threaded sleeve of FIG. 1; fig. 5 is a schematic structural view of the expansion shell shown in fig. 1. The utility model provides an anti-expansion buckle drilling tool joint, including body 1, the first fixed block 5 of one side fixedly connected with of body 1, it has fixing bolt 6 to run through one side of first fixed block 5, fixing bolt 6's one end swing joint has first movable sleeve 7, one side of first fixed block 5 is provided with connecting rod 8, the first threaded rod 9 of one end fixedly connected with of connecting rod 8, one side swing joint of first threaded rod 9 has threaded sleeve 10, the opposite side fixedly connected with second fixed block 14 of body 1, the one end fixedly connected with second threaded rod 15 of second fixed block 14, the surface laminating of second threaded rod 15 has wear-resisting protective layer 16, the one end fixedly connected with inflation end cap 17 of second threaded rod 15, one side swing joint of inflation end cap 17 has inflation cover 18.

This embodiment, the outside of body 1 is provided with flexible cover 2, and the inside swing joint of flexible cover 2 has protective sheath 3, and the top of flexible cover 2 is provided with fixed knob 4, and the length of protective sheath 3 can freely be adjusted to flexible cover 2, and protective sheath 3 can be for the drilling tool in the construction, the threaded connection department of protection drilling rod and drill bit.

In this embodiment, the first movable sleeve 7 is in threaded connection with the first fixing block 5 through the fixing bolt 6, the fixing bolt 6 is symmetrically arranged with the central axis of the first fixing block 5, and the fixing bolt 6 fixes the first movable sleeve 7 on the first fixing block 5, so as to provide a supporting force for adjusting the telescopic frame 12.

In this embodiment, the threaded sleeve 10 is in threaded connection with the first threaded rod 9, and the center line of the threaded sleeve 10 is matched with the center line of the first threaded rod 9, so that the threaded sleeve 10 has the advantage that when the distance of the threaded block 13 is adjusted, the telescopic frame 12 can be limited by the threaded sleeve 10 to fix the distance of the threaded block 13.

In this embodiment, the place ahead of thread bush 10 is provided with second movable sleeve 11, and the one end swing joint of second movable sleeve 11 has expansion bracket 12, and the one end fixedly connected with thread block 13 of expansion bracket 12, expansion bracket 12 can adjust the distance of thread block 13 apart from first threaded rod 9, go the not unidimensional drill bit of adaptation internal diameter.

In this embodiment, the screw block 13 forms a telescopic structure with the connecting rod 8 through the telescopic frame 12, the connecting rod 8 and the telescopic frame 12 are distributed in a crossed manner, the structure of the screw block 13 and the telescopic frame 12 is simple, the manufacturing cost is low, and the daily maintenance and replacement of subsequent workers are convenient.

In this embodiment, the wear-resistant protective layer 16 is attached to the second threaded rod 15, the wear-resistant protective layer 16 is identical to the second threaded rod 15 in size, the wear-resistant protective layer 16 also enables the second threaded rod 15 to enhance the wear-resistant capability, and the probability of expansion buckle of the second threaded rod 15 is reduced.

The utility model provides a pair of prevent that expansion buckle drilling tool connects the theory of operation as follows:

firstly, the device is taken out to prepare for assembling a drilling tool, a drill rod is taken out according to construction requirements, an expansion sleeve 18 is plugged into the drill rod, one end of the drill rod is aligned with a second threaded rod 15, then the second threaded rod 15 is twisted tightly, an expansion plug 17 retracts into the expansion sleeve 18 along with the rotation of the second threaded rod 15 in the rotation of the second threaded rod 15, a wear-resistant protective layer 16 is attached to the surface of the second threaded rod 15, the wear resistance of the second threaded rod 15 is improved, after the second threaded rod 15 is twisted tightly, the expansion sleeve 18 and the expansion plug 17 support the inside of the drill rod, the expansion buckling resistance of the second threaded rod 15 is improved, then a drill bit is assembled, the thread sleeve 10 on a first threaded rod 9 is rotated according to the inner diameter of the drill bit, thread bush 10 impels telescopic bracket 12 to go up screw block 13 with telescopic bracket 12 and lengthens apart from the distance of first threaded rod 9, so with regard to the internal diameter size of adaptation drill bit, then turn round tight drill bit through screw block 13, just can be through the outside telescopic sleeve 2 of body 1 after installation drill bit and drilling rod, pull open protective sheath 3 to the junction of second threaded rod 15 and screw block 13, for second threaded rod 15 and screw block 13 improve the protection, avoid external factor to cause unnecessary harm to the junction in the drilling tool use, at last all equipment finish, start the use work of drilling tool, accomplish after whole job requirement, dismantle again according to above-mentioned operation the drilling tool separately maintain can, wherein the material of wear-resistant protective layer 16 is: a tungsten carbide alloy.

1. the utility model provides a prevent that expansion buckles drilling tool joint, through second threaded rod 15, wear-resisting protective layer 16, the setting of expansion end cap 17 and expansion sleeve 18, when second threaded rod 15 and drilling rod carry out swivelling joint, expansion end cap 17 follows second threaded rod 15 and contracts into in expansion sleeve 18, expansion end cap 17 struts expansion sleeve 18, expansion sleeve 18 props up the drilling rod with expansion end cap 17 inside, when the second threaded rod 15 appears the expansion and buckles the phenomenon because of external force influences, expansion end cap 17 and expansion sleeve 18 can withstand the drilling rod, alleviate the pressure of expansion buckle for second threaded rod 15, the ability of second threaded rod 15 preventing expansion buckle has been strengthened, and the reaction time after drilling rod and drilling tool appear breaking away from has still been improved, let the workman in time maintain, wear-resisting protective layer 16 also lets second threaded rod 15 strengthen anti-wear ability, the probability that expansion buckle appears for second threaded rod 15 has been reduced, the benefit that the cooperation was used like this has been in that the drilling rod breaks away from in the reduction and has appeared in the probability that the construction process breaks away from, avoid the drilling rod to cause unnecessary harm for the process;

2. the utility model provides a prevent expanding and detain drilling tool joint, through the setting of thread bush 10, second movable sleeve 11, expansion bracket 12 and thread block 13, can freely adjust the width of expansion bracket 12 through thread bush 10, let the device not confine the drill bit that the connection size is the same size to, can adapt to the drill bit of different size sizes, be connected drill bit and drilling rod through the device, when having avoided meetting the drill bit of different size sizes, go to repeatedly change the drilling tool joint, thereby hinder the problem of efficiency of construction, and the benefit of setting like this has also reduced the use cost of frequently changing the drilling tool joint, has improved the rate of utilization of the device;

3. the utility model provides a prevent expanding and detain drilling tool joint, through the expansion sleeve 2, protective sheath 3 and fixed knob 4's setting, the length of protective sheath 3 can freely be adjusted to expansion sleeve 2, and protective sheath 3 can be for the drilling tool in the construction, the threaded connection department of protection drilling rod and drill bit, avoid threaded connection department because under the influence of external factor, lead to second threaded rod 15 to appear expanding and detain the phenomenon, the probability that expanding and detaining the appearance has been reduced, the device's life has been prolonged, the integrality of second threaded rod 15 has also been protected from the side like this, improve the ability that the anti-expansion of second threaded rod 15 was detained.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides an anti-buckling drilling tool joint, includes body (1), its characterized in that: the utility model discloses a pipe fitting, including body (1), the first fixed block of one side fixedly connected with (5) of body (1), one side of first fixed block (5) is run through and is had fixing bolt (6), the one end swing joint of fixing bolt (6) has first movable sleeve (7), one side of first fixed block (5) is provided with connecting rod (8), the first threaded rod of one end fixedly connected with (9) of connecting rod (8), one side swing joint of first threaded rod (9) has thread bush (10), the opposite side fixedly connected with second fixed block (14) of body (1), the one end fixedly connected with second threaded rod (15) of second fixed block (14), the surface laminating of second threaded rod (15) has wear-resisting protective layer (16), the one end fixedly connected with inflation end cap (17) of second threaded rod (15), one side swing joint of inflation end cap (17) has inflation cover (18).

2. The expansion buckle prevention drilling tool joint as claimed in claim 1, wherein a telescopic sleeve (2) is arranged outside the pipe body (1), a protective sleeve (3) is movably connected inside the telescopic sleeve (2), and a fixing knob (4) is arranged above the telescopic sleeve (2).

3. The expansion buckle prevention drill joint as recited in claim 1, wherein the first movable sleeve (7) is in threaded connection with the first fixing block (5) through a fixing bolt (6), and the fixing bolt (6) is symmetrically arranged with respect to a central axis of the first fixing block (5).

4. Anti-expansion-buckle drill joint according to claim 1, characterized in that the threaded sleeve (10) is in threaded connection with the first threaded rod (9), the centre line of the threaded sleeve (10) coinciding with the centre line of the first threaded rod (9).

5. The expansion buckle prevention drill joint according to claim 1, wherein a second movable sleeve (11) is arranged in front of the threaded sleeve (10), an expansion bracket (12) is movably connected to one end of the second movable sleeve (11), and a threaded block (13) is fixedly connected to one end of the expansion bracket (12).

6. The expansion buckle prevention drill joint as recited in claim 5, wherein the thread block (13) and the connecting rod (8) form a telescopic structure through a telescopic frame (12), and the connecting rod (8) and the telescopic frame (12) are distributed in a crossed manner.

7. An anti-expansion-buckle drill joint according to claim 6, characterized in that the wear-resistant protective layer (16) is attached to the second threaded rod (15), and the wear-resistant protective layer (16) is matched with the second threaded rod (15) in size.