Pneumatic slip bowl

Abstract

The utility model discloses a pneumatic slip bowl, which relates to the technical field of drilling platform fixtures, and comprises two bases, the two bases are both semicircular structures, a first inclined plane is arranged in the middle of the inner side wall of each base, a groove is arranged at the bottom end of each first inclined plane, and a second inclined plane is arranged at the bottom end of each groove. And a second inclined surface is arranged at the bottom end of the inner side wall of the base. The first inclined plane and the second inclined plane are arranged on the inner wall of the base, and the groove is formed between the first inclined plane and the second inclined plane, so that when clamping of a drill rod is released, the slip body is kept to be attached to the second inclined plane due to the fact that the slip body is in an inclined state in the inserting process, and the drill rod is prevented from being clamped. When the slip body moves upwards to the groove, the slip body is separated from the second inclined face, the slip body rotates around the pin shaft at the top end of the slip body to be in a vertical state under the action of gravity, and at the moment, the slip body can achieve rapid separation of the drill rod so that the device can be separated from the drill rod conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling platform fixture technical field, especially a kind of pneumatic slip bowl. BACKGROUND

[0002] Petroleum drilling operation belongs to open-air operation, its production operation fluidity is relatively big, operation site is not fixed, requires equipment simple, flexible, it is convenient to move, in the construction operation of oil well, the operation of tripping is the operation of great physical labor intensity, long operation time, extremely physical consumption, the existing tripping operation is usually completed using elevator, using manual slip, or using ordinary pneumatic slip, in the process of using elevator tripping, not only need two people to cooperate to operate, waste manpower, and need to move elevator repeatedly, so that the labor intensity of operator is big, physical consumption is big;When using manual slip to lift drilling tool, although the operation procedure is reduced, but need manual operation, in the process of manually moving elevator, pulling out pin, pulling ring, often there will be the phenomenon that pin is not inserted well, ring slides out, elevator unilateral stress, breaks drilling tool, cannot guarantee operation safety and mechanization degree.

[0003] Such as the publication number CN204941386U a kind of pneumatic slip, including rotary disc core body and the slip body being located in the center conical hole of rotary disc core body, rotary disc core body is attached to bottom plate by magnetic attraction device, bottom plate is fixedly connected with gear box, one end of lifting arm is hinged on the slip body, the other end of lifting arm is hinged on gear box by rotating shaft, rotating shaft is fixedly connected with toothed sheet, gear box is also provided with rack engaged with toothed sheet, one end of rack is fixedly connected with air cylinder. The utility model has the beneficial effects that: cancel the double-elevator process, fundamentally avoid the single-elevator accident, avoid the phenomenon of drilling pipe breakage or bending and harm to personnel caused by human, reduce the volume, the structure is reasonable, operation and maintenance are convenient, clamping is reliable, solve the problem that pneumatic slip and four square drive core cannot be connected.

[0004] The above technical scheme has some problems in actual application, the slip in the technical scheme cannot be quickly separated from the drill pipe after releasing the clamping of the drill pipe, the local contact between the slip and the drill pipe affects the removal of the device.

[0005] Therefore, it is necessary to invent a pneumatic slip bowl to solve the above problems. SUMMARY

[0006] The utility model discloses a kind of pneumatic slip bowls, to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A pneumatic slip seat, including the base, the base is provided with two, two The base is provided with half round structure, the inside wall middle part of base is provided with first inclined plane, the bottom of first inclined plane is provided with recess, the inside wall bottom of base is provided with second inclined plane, The second inclined plane is provided with step structure, and the middle part of second inclined plane is provided with transition surface, the top of second inclined plane is flush with the bottom of first inclined plane, The inside of base is provided with slip body, the both sides of base are fixedly provided with a plurality of mounting seat, and the mounting seat of base both sides is staggered and is provided, The inside of mounting seat is provided with installation screw rod, the top of base is fixedly provided with connecting seat, The top of connecting seat is provided with upper cover.

[0008] Preferably, the inside wall of the connecting seat is fixedly provided with a plurality of positioning seats, and a screw hole is formed in the top end of the positioning seat.

[0009] Preferably, a plurality of positioning holes corresponding to the positioning seats are formed in the upper surface of the upper cover, and a bolt is inserted into the inside of the positioning hole.

[0010] Preferably, a fixing seat is inserted into the through groove formed in the middle part of the outside wall of the upper cover, and the fixing seat is fixedly arranged at the top end of the installation screw rod.

[0011] Preferably, a transmission seat is arranged in the inside of the base, a connecting hinge is movably arranged in the inside wall of the transmission seat through a pin shaft, the connecting hinge is movably connected with the bottom end of the slip body through a pin shaft, a plurality of air cylinders are fixedly arranged at the bottom end of the transmission seat, and the air cylinders are fixedly arranged in the inside of the base.

[0012] Preferably, a plurality of sliding grooves are formed in the outside wall of the transmission seat, and the plurality of sliding grooves correspond to the plurality of positioning seats one by one.

[0013] The utility model discloses a technical effect and advantage:

[0014] 1, the utility model discloses a first inclined plane and second inclined plane are arranged on the inner wall of base, recess is arranged between first inclined plane and second inclined plane, first inclined plane can realize the guidance of the insertion process of slip body, and second inclined plane can guide the inward convergence of slip body in the process of downward insertion, so as to realize the clamping and fixing of drill rod, when the clamping of drill rod is released, because slip body is in the inclined state in the insertion process, therefore, slip body keeps and second inclined plane is attached, when slip body moves upward to recess, slip body and second inclined plane are separated, slip body rotates to perpendicular state around the pin shaft of its top end under the action of gravity, at this time, slip body can realize the quick separation of drill rod, so as to facilitate the separation of device and drill rod.

[0015] 2, the utility model discloses a mounting seat is set up on the both sides of base, and the mounting seat on two bases can be mutually clamped and is connected through mounting screw rod, and the separable design of two bases facilitates the cleaning and overhaul to the inside of device, and also facilitates the replacement of slip body, and the connecting seat is set up on the top of base, and the inboard of connecting seat is provided with positioning seat, and the transmission seat is set up in the inside of base, and the transmission seat can realize the transmission of slip body, and the outside of transmission seat is provided with a plurality of sliding slot corresponding with positioning seat, and sliding slot and positioning seat cooperate, can guarantee that transmission seat does not incline in the process of sliding up and down, thereby can guarantee that a plurality of slip bodies move synchronously, to guarantee the clamping stability of device to drill pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is whole structure schematic diagram of the utility model.

[0017] Fig. 2 It is whole structure cross section schematic diagram of the utility model.

[0018] Fig. 3 It is base structure schematic diagram of the utility model.

[0019] In the drawing: 1, base, 2, first inclined surface, 3, groove, 4, second inclined surface, 5, transition surface, 6, slip body, 7, mounting seat, 8, mounting screw rod, 9, connecting seat, 10, upper cover, 11, positioning seat, 12, positioning hole, 13, fixed seat, 14, transmission seat, 15, connecting hinge, 16, air cylinder, 17, sliding slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] The utility model provides a kind of pneumatic slip base as Figs. 1-3 As shown in the figure, it includes base 1, base 1 is provided with two, two base 1 are all set to semicircular structure, the middle part of the inner side wall of base 1 is provided with first inclined surface 2, the bottom end of first inclined surface 2 is provided with groove 3, the bottom end of the inner side wall of base 1 is provided with second inclined surface 4, second inclined surface 4 is set to ladder structure, and the middle part of second inclined surface 4 is provided with transition surface 5, the top end of second inclined surface 4 is flush with the bottom end of first inclined surface 2, the inside of base 1 is provided with slip body 6, slip body 6 can move downwards along first inclined surface 2 and second inclined surface 4 and gather, to realize the clamping of drill pipe;

[0022] Specifically, the base 1 is fixedly provided with a plurality of mounting seats 7 on both sides, and the mounting seats 7 on both sides of the base 1 are staggered, the mounting seat 7 is provided with a mounting screw 8 penetratingly, the top end of the base 1 is fixedly provided with a connecting seat 9, and the mounting seat 7 is matched with the mounting screw 8, so that the position between the two bases 1 can be fixed;

[0023] More specifically, the top end of the connecting seat 9 is provided with an upper cover 10, the inner side wall of the connecting seat 9 is fixedly provided with a plurality of positioning seats 11, and the top end of the positioning seat 11 is provided with a threaded hole, the upper surface of the upper cover 10 is provided with a plurality of positioning holes 12 corresponding to the positioning seat 11, and the inside of the positioning hole 12 is provided with a bolt, the outer side wall of the upper cover 10 is provided with a through slot in the middle, and the through slot is provided with a fixing seat 13, and the fixing seat 13 is fixedly arranged on the top end of the mounting screw 8, so that the position between the upper cover 10 and the connecting seat 9 can be fixed, so as to ensure the installation stability of the upper cover 10;

[0024] Moreover, the inside of the base 1 is provided with a transmission seat 14, the inner side wall of the transmission seat 14 is movably provided with a connecting hinge 15 through a pin shaft, and the connecting hinge 15 is movably connected with the bottom end of the slip body 6 through a pin shaft, the transmission seat 14 can drive the slip body 6 to move up and down through the connecting hinge 15;

[0025] Furthermore, the bottom end of the transmission seat 14 is fixedly provided with a plurality of air cylinders 16, and the air cylinders 16 are fixedly arranged in the inside of the base 1, the outer side wall of the transmission seat 14 is provided with a plurality of sliding grooves 17, and the plurality of sliding grooves 17 are respectively corresponding to the plurality of positioning seats 11 one by one, the sliding groove 17 is matched with the positioning seat 11, so as to ensure that the transmission seat 14 will not be inclined during sliding, so as to ensure that the plurality of air cylinders 16 can drive the transmission seat 14 to move synchronously.

[0026] The working principle of the utility model:

[0027] In use, the base 1 can be placed above the drill pipe, the top end of the drill pipe can be inserted into the inside of the base 1, the transmission seat 14 can be driven to move downward by the air cylinder 16, the slip body 6 can be driven to move by the connecting hinge 15, so that the slip body 6 moves downward, the slip body 6 moves along the second inclined surface 4, the second inclined surface 4 can guide the slip body 6 to gather inward to achieve clamping and fixing of the drill pipe, and the second inclined surface 4 is provided in a stepped structure, the design of the stepped structure enables the slip body 6 to be quickly clamped inward when moving to multiple positions of the second inclined surface 4, so as to facilitate the slip body 6 to adapt to drill pipes of multiple diameters, when the clamping of the drill pipe is released, the slip body 6 is driven upward by the air cylinder 16 through the transmission seat 14, until the slip body 6 is separated from the second inclined surface 4, at this time, the slip body 6 moves to the recess 3, since the slip body 6 is in an inclined state during insertion, the slip body 6 keeps adhering to the second inclined surface 4, when the slip body 6 moves upward to the recess 3, the slip body 6 is separated from the second inclined surface 4, the slip body 6 rotates to a vertical state around the pin shaft at the top end under the action of gravity, at this time, the slip body 6 can achieve quick separation of the drill pipe, so as to facilitate separation of the device and the drill pipe.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A pneumatic slip bowl comprising a base (1), characterized in that: Two bases (1) are arranged, the two bases (1) are arranged as semicircular structures, a first inclined surface (2) is arranged in the middle of the inner side wall of the base (1), a groove (3) is arranged at the bottom end of the first inclined surface (2), a second inclined surface (4) is arranged at the bottom end of the inner side wall of the base (1), the second inclined surface (4) is arranged as a stepped structure, a transition surface (5) is arranged in the middle of the second inclined surface (4), the top end of the second inclined surface (4) is flush with the bottom end of the first inclined surface (2), a slip body (6) is arranged in the base (1), a plurality of mounting seats (7) are fixedly arranged on the two sides of the base (1), the mounting seats (7) on the two sides of the base (1) are arranged in a staggered manner, a mounting screw (8) penetrates through the inside of the mounting seat (7), a connecting seat (9) is fixedly arranged at the top end of the base (1), a plurality of positioning seats (11) are fixedly arranged on the inner side wall of the connecting seat (9), and screw holes are formed in the top end of the positioning seat (11).

2. An air bearing slip seat according to claim 1, wherein: The inner side wall of the connecting seat (9) is fixedly provided with a plurality of positioning seats (11), and screw holes are formed in the top end of the positioning seat (11).

3. An air bearing slip seat according to claim 2, wherein: A plurality of positioning holes (12) corresponding to the positioning seats (11) are formed through the upper surface of the upper cover (10), and a bolt is inserted into the inside of the positioning hole (12).

4. An air bearing slip seat according to claim 3, wherein: The middle part of the outer side wall of the upper cover (10) is provided with a fixing seat (13) inserted into the through groove, and the fixing seat (13) is fixedly arranged at the top end of the mounting screw (8).

5. An air bearing slip seat according to claim 4, wherein: The inside of the base (1) is provided with a transmission seat (14), the inner side wall of the transmission seat (14) is movably provided with a connecting hinge (15) through a pin shaft, the connecting hinge (15) is movably connected with the bottom end of the slip body (6) through a pin shaft, a plurality of air cylinders (16) are fixedly arranged at the bottom end of the transmission seat (14), and the air cylinders (16) are fixedly arranged in the inside of the base (1).

6. An air bearing slip seat according to claim 5, wherein: A plurality of sliding grooves (17) are formed in the outer side wall of the transmission seat (14), and the plurality of sliding grooves (17) correspond to the plurality of positioning seats (11) one by one.

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