CN219012532U

CN219012532U - Safety slip convenient to dismantle for petroleum drilling

Info

Publication number: CN219012532U
Application number: CN202223430766.2U
Authority: CN
Inventors: 李焕; 马志峰; 郭辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-12
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a safety slip for petroleum drilling, which comprises a left slip sleeve and a right slip sleeve, wherein the left slip sleeve is hinged with the right slip sleeve, a pin shaft is connected at the hinged part of the left slip sleeve and the right slip sleeve in a penetrating way, an arc-shaped groove structure is formed in one side surface of the right slip sleeve, a thread groove is formed in the arc-shaped groove structure of the right slip sleeve, a fixing head is arranged in the arc-shaped groove structure of the right slip sleeve, the back end of the fixing head is fixedly connected with a fixing rod, and threads are arranged on the outer surface of the fixing rod. According to the utility model, the anti-skid sleeves are embedded in the groove structure, are fixedly arranged in the groove through the fastening bolts, the buffer springs and the extension springs are arranged at the top, and the vibration driven during working can be lightened in a top pressing mode, so that the stability is improved, after the slip sleeves are fixed by the fastening nuts, the slip sleeves are reinforced by the rotating handles and the second locking sleeves, and the structural stability is further improved by the clamping blocks and the movable grooves.

Description

Safety slip convenient to dismantle for petroleum drilling

Technical Field

The utility model relates to the technical field of petroleum drilling equipment, in particular to a safety slip for petroleum drilling, which is convenient to detach.

Background

Drilling is the operation of drilling holes into formations from the surface using mechanical equipment or manpower, known as drilling. Generally refers to the engineering of drilling boreholes and large diameter water supply wells by exploring or developing liquid and gaseous minerals such as oil, gas, etc. The application of well drilling in national economy construction is very extensive, and the slips are used for clamping and suspending a drill string and a casing string when the well is started and started in the well drilling process, different sizes of drill strings need to be used for the slips, the drill pipe slips, the drill collar sleeve slips and the safety slips are separated according to purposes, and the drill collar without a joint shoulder and the coupling-free sleeve need to be used for the safety slips so as to prevent the drill string and the casing string from falling down from the slips carelessly.

At present, the prior Chinese patent with publication number of CN215979252U discloses a safety slip for petroleum drilling, which is convenient to detach. The first slip sleeve and the second slip sleeve are connected through a connecting rod; the bottom of the first slip sleeve is hinged with the bottom of the second slip sleeve through a pin shaft, a first connecting plate is arranged at the top of the first slip sleeve, and a second connecting plate is arranged at the top of the second slip sleeve; the top of the first slip sleeve is hinged with the top of the second slip sleeve through a self-locking bolt. The utility model relates to a safety slip for petroleum drilling, which is simple to operate and high in safety performance and is convenient to detach, the device is used for fixing a bolt on the slip in a spring mode to prevent falling, and the safety slip for petroleum drilling is convenient to detach, and is provided for solving the problem of safety.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide the safety slip for petroleum drilling, which is convenient to detach, the pipelines with different inner diameters are fixed by installing the anti-slip sleeve, meanwhile, the anti-slip sleeve is embedded into the inside of the safety slip sleeve to realize the vibration reduction function by pressing the top spring structure, and the safety and stability are improved.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a safety slip for petroleum drilling, which comprises a left slip sleeve and a right slip sleeve, wherein the left slip sleeve is hinged with the right slip sleeve, a pin shaft is connected at the hinged part of the left slip sleeve and the right slip sleeve in a penetrating way, an arc-shaped groove structure is formed in one side surface of the right slip sleeve, a thread groove is formed in the arc-shaped groove structure of the right slip sleeve, a fixing head is arranged in the arc-shaped groove structure of the right slip sleeve, the back end of the fixing head is fixedly connected with a fixing rod, threads are arranged on the outer surface of the fixing rod, the fixing rod is in threaded connection with the arc-shaped groove of the right slip sleeve through threads, a fastening nut is connected with the back end of the fixing rod in a threaded way, an elastic piece is sleeved at the joint part of the fastening nut and the fixing rod, and handles are arranged on one sides of the left slip sleeve and the right slip sleeve.

As a preferable technical scheme of the utility model, the inner side surfaces of the left slip sleeve and the right slip sleeve are provided with clamping grooves, and the inner parts of the clamping grooves are embedded with anti-slip sleeves.

As a preferable technical scheme of the utility model, the top parts of the left slip sleeve and the right slip sleeve are respectively provided with a bottom plate, the top surface of the bottom plate is penetrated and provided with a fastening bolt, the fastening bolt is in threaded connection with the anti-skid sleeve, the two sides of the top of the bottom plate are respectively provided with a buffer spring, one side of each buffer spring is respectively provided with a tension spring, and the tops of the buffer springs and the tension springs are fixedly connected with a top plate.

As a preferable technical scheme of the utility model, locking rods are arranged on the top surfaces of the left slip sleeve and the right slip sleeve in a penetrating way, and locking sleeves are sleeved at the connecting positions of the locking rods, the left slip sleeve and the right slip sleeve.

As a preferable technical scheme of the utility model, the locking rods are connected with a rotary handle in a penetrating way, and a second locking sleeve is sleeved at the joint of the rotary handle and one locking rod.

As a preferable technical scheme of the utility model, clamping blocks are arranged on two sides of the outer surface of the rotary handle, a movable groove is formed on the outer surface of the other locking rod, and the clamping blocks are clamped with the movable groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the anti-skid sleeves are embedded in the groove structure, are fixedly arranged in the groove through the fastening bolts, the buffer springs and the extension springs are arranged at the top, and the vibration driven during working can be lightened in a top pressing mode, so that the stability is improved, after the slip sleeves are fixed by the fastening nuts, the slip sleeves are reinforced by the rotating handles and the second locking sleeves, and the structural stability is further improved by the clamping blocks and the movable grooves.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a close-up schematic view of the overall structure of the present utility model;

FIG. 3 is a partially isolated schematic illustration of the present utility model;

FIG. 4 is an enlarged schematic view of the structure at A of the present utility model;

in the figure: 1. a left slip sleeve; 2. a right slip sleeve; 3. a fixed head; 4. a fixed rod; 5. a thread; 6. a fastening nut; 7. a spring plate; 8. a pin shaft; 9. a handle; 10. a clamping groove; 11. an anti-skid sleeve; 12. a bottom plate; 13. a fastening bolt; 14. a buffer spring; 15. a tension spring; 16. a top plate; 17. a locking lever; 18. a locking sleeve; 19. rotating the handle; 20. the second locking sleeve; 21. a clamping block; 22. a movable groove.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model. Wherein like reference numerals refer to like elements throughout.

Further, if detailed description of the known art is not necessary to illustrate the features of the present utility model, it will be omitted. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Example 1

As shown in fig. 1-4, the utility model provides a safety slip for petroleum drilling convenient to detach, which comprises a left slip sleeve 1 and a right slip sleeve 2, wherein the left slip sleeve 1 is hinged with the right slip sleeve 2, a pin shaft 8 is connected at the hinged part of the left slip sleeve 1 and the right slip sleeve 2 in a penetrating way, an arc-shaped groove structure is formed on one side surface of the right slip sleeve 2, a thread groove is formed in the arc-shaped groove structure of the right slip sleeve 2, a fixing head 3 is arranged in the arc-shaped groove structure of the right slip sleeve 2, the back end of the fixing head 3 is fixedly connected with a fixing rod 4, the outer surface of the fixing rod 4 is provided with threads 5, the fixing rod 4 is connected with an arc-shaped groove internal thread groove of the right slip sleeve 2 through threads 5, a fastening nut 6 is sleeved at the connecting part of the fastening nut 6 and the fixing rod 4, and a handle 9 is arranged on one side of the left slip sleeve 1 and the right slip sleeve 2.

Further, draw-in groove 10 has been seted up to the medial surface of left slips cover 1 and right slips cover 2, and the inside scarf joint of draw-in groove 10 has anti-skidding cover 11, through the inside with anti-skidding cover 11 scarf joint draw-in groove 10, realizes the fixed joint to different footpath mouths pipeline, through anti-skidding cover 11 through anti-skidding structure, further improves stability.

The bottom plate 12 is all installed at the top of left slips cover 1 and right slips cover 2, fastening bolt 13 is installed in the top surface penetration of bottom plate 12, and fastening bolt 13 and anti-skidding sleeve 11 looks spiro union, buffer spring 14 is installed to the top both sides of bottom plate 12, extension spring 15 is all installed to one side of buffer spring 14, buffer spring 14 and extension spring 15's top fixedly connected with roof 16, through fastening bolt 13 with anti-skidding sleeve 11 fixed mounting in the inside of draw-in groove 10, through placing certain briquetting at the top of roof 16, make buffer spring 14 and extension spring 15 collocation work, realize the damping performance of structure.

The locking rod 17 is installed on the top surfaces of the left slip sleeve 1 and the right slip sleeve 2 in a penetrating mode, the locking sleeve 18 is sleeved at the joint of the locking rod 17, the left slip sleeve 1 and the right slip sleeve 2, and the locking rod 17 can be fixedly abutted to the fixing head 3 and the fixing rod 4 through rotating the locking sleeve 18.

The locking bars 17 are connected with a rotating handle 19 in a penetrating way, a second locking sleeve 20 is sleeved at the joint of the rotating handle 19 and one locking bar 17, and the rotating handle 19 and the locking bar 17 are connected in a fastening way through the second locking sleeve 20.

The two sides of the outer surface of the rotary handle 19 are provided with clamping blocks 21, the outer surface of the other locking rod 17 is provided with a movable groove 22, the clamping blocks 21 are clamped with the movable groove 22 to realize secondary fastening of the structure, and meanwhile, the locking rod is convenient to detach.

Specifically, when the installation is used, can take the structure portably through handle 9, through with hinge structure and round pin axle 8 realization draw in left slips cover 1 and right slips cover 2 mutually, stretch into the inside of left slips cover 1 from right slips cover 2 through arc recess structure with fixed head 3, rotatory screw-thread fastening through screw thread 5 and thread groove, realize the structure fastening through fastening nut 6, manual control locking lever 17 makes it run through behind slips cover with fixed head 3, dead lever 4 looks butt, rotatory locking sleeve 18 realizes that the structure is fixed, manual control rotatory handle 19 realizes that the structure is fixed through second locking sleeve 20, carry out secondary locking through fixture block 21 and movable groove 22 simultaneously, can pull out rotatory handle 19 through manual effort when dismantling and realize the convenience of structure dismantlement, make antiskid cover 11 fixedly scarf joint in the inside of draw-in groove 10 through fastening bolt 13, the skid-proof effect to the while, through placing the briquetting at the top of roof 21, can realize by buffer spring 14 and extension spring 15 to the bottom antiskid cover 11 structure work, improve the security, realize convenient dismantlement simultaneously.

According to the utility model, the anti-skid sleeves 11 are embedded in the groove structure, are fixedly arranged in the groove through the fastening bolts 13, meanwhile, the buffer springs 14 and the extension springs 15 are arranged at the top, and vibration driven during working can be relieved in a top pressing mode, so that the stability is improved, after the slip sleeves are fixed by the fastening nuts 6, the slip sleeves are reinforced by the rotary handles 19 and the second locking sleeves 20, and the structural stability is further improved by the clamping blocks 21 and the movable grooves 22.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a safety slip for oil drilling convenient to dismantle, includes left slip cover (1) and right slip cover (2), its characterized in that, left slip cover (1) is articulated mutually with right slip cover (2), articulated department of left slip cover (1) and right slip cover (2) is through being connected with round pin axle (8), arc groove structure has all been seted up on one side surface of right slip cover (2), and has seted up the screw groove in the arc groove structure of right slip cover (2), the arc groove structure internally mounted of right slip cover (2) has fixed head (3), the back fixedly connected with dead lever (4) of fixed head (3), the surface of dead lever (4) is provided with screw thread (5), the back end threaded connection of dead lever (4) has fastening nut (6) with the arc groove internal thread groove threaded connection of right slip cover (2), the junction of fastening nut (6) and dead lever (4) cup joints (7), the left slip cover (1) has all installed shell fragment (9) with one side of right slip cover (2).

2. The safety slip for petroleum drilling convenient to detach according to claim 1 is characterized in that a clamping groove (10) is formed in the inner side surfaces of the left slip sleeve (1) and the right slip sleeve (2), and an anti-slip sleeve (11) is embedded in the clamping groove (10).

3. The safety slip for petroleum drilling convenient to detach according to claim 2 is characterized in that a bottom plate (12) is installed at the top of left slip sleeve (1) and right slip sleeve (2), fastening bolt (13) are installed in penetrating mode on the top surface of bottom plate (12), fastening bolt (13) are in threaded connection with anti-slip sleeve (11), buffer springs (14) are installed on two sides of the top of bottom plate (12), extension springs (15) are installed on one side of each buffer spring (14), and top plates (16) are fixedly connected with the tops of the buffer springs (14) and the extension springs (15).

4. The safety slip for petroleum drilling convenient to detach according to claim 1 is characterized in that locking rods (17) are installed on the top surfaces of the left slip sleeve (1) and the right slip sleeve (2) in a penetrating mode, and locking sleeves (18) are sleeved at the connecting positions of the locking rods (17) and the left slip sleeve (1) and the right slip sleeve (2).

5. The safety slip for petroleum drilling convenient to detach according to claim 4 is characterized in that a rotary handle (19) is connected between the locking rods (17) in a penetrating way, and a second locking sleeve (20) is sleeved at the joint of the rotary handle (19) and one locking rod (17).

6. The safety slip for petroleum drilling convenient to detach according to claim 5 is characterized in that clamping blocks (21) are arranged on two sides of the outer surface of the rotary handle (19), a movable groove (22) is formed in the outer surface of the other locking rod (17), and the clamping blocks (21) are clamped with the movable groove (22).