Fixture for machining threaded oil casing

Abstract

The utility model discloses a thread oil casing pipe machining clamp which comprises a base, a guide mechanism is arranged at the top end of the base, a movable supporting mechanism is installed on the guide mechanism, an auxiliary mechanism is installed on the movable supporting mechanism, and the guide mechanism comprises a sliding groove, a guide rod, a top plate, a screw rod and a nut. Two symmetrically-distributed sliding grooves are formed in the top end of the base. The supporting plates drive the sliding blocks to move, the sliding holes are in sliding connection with the guide rods, the supporting plates can move along the guide rods, the effect of adjusting the positions of the supporting plates is achieved, the distance between the clamping mechanisms is adjusted by adjusting the distance between the supporting plates, and therefore the clamping mechanisms can be conveniently matched with threaded oil casing bodies of various lengths; the clamping mechanism can clamp a balance supporting point of the threaded oil casing body, and the situation that the threaded oil casing body inclines towards one side is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device field especially a clamp for threaded oil casing machining. BACKGROUND

[0002] Threaded oil casing is the steel pipe for supporting the well wall of oil and gas well to ensure the normal operation of the whole oil well after drilling process and completion, and several layers of casing are used according to different drilling depth and geological conditions. After the casing is lowered into the well, cementing is used, which is different from the oil pipe and drill pipe and cannot be reused, belonging to disposable consumable materials.

[0003] Threaded oil casing is produced and processed in different lengths due to different requirements, and the threaded oil casing with excessive length needs multiple clamps to be clamped and fixed to facilitate the processing of the threaded oil casing, but the existing clamp is inconvenient to adjust the distance between the clamps, so that the clamp cannot clamp the corresponding clamping point of the threaded oil casing, which may cause the threaded oil casing to deviate to one side, resulting in unstable support of the threaded oil casing, and thus it is inconvenient to support and fix the threaded oil casing to be processed. SUMMARY

[0004] The utility model discloses a threaded oil casing machining clamp which overcomes the defect that the clamp is inconvenient to move.

[0005] The technical scheme for realizing the above-mentioned purpose is as follows: a threaded oil casing machining clamp, comprising a base, a guide mechanism is arranged at the top end of the base, a moving support mechanism is installed on the guide mechanism, and an auxiliary mechanism is installed on the moving support mechanism.

[0006] Preferably, the guide mechanism comprises a sliding groove, a guide rod, a top plate, a screw rod and a nut, two symmetrically distributed sliding grooves are formed at the top end of the base, the side wall of the sliding groove is connected with the guide rod, two symmetrically distributed top plates are connected at the both ends of the top end of the base, two symmetrically distributed screw rods are connected with the side wall of the top plate, and a plurality of nuts are threadedly connected with the side wall of the screw rod.

[0007] Preferably, the moving support mechanism comprises a support plate, a perforation, a sliding block and a sliding hole, two symmetrically distributed perforations are formed in the side wall of the support plate, two symmetrically distributed sliding blocks are connected at the bottom end of the support plate, a sliding hole is formed in the side wall of the sliding block, the side wall of the guide rod is slidably connected with the sliding hole, and the side wall of the screw rod penetrates through the perforation.

[0008] Preferably, the auxiliary mechanism comprises a connecting block, a limiting hole, a connecting rod and a limiting screw, the two side walls of the supporting plate are connected with the connecting block, the top end of the connecting block is provided with the limiting hole, the two end side walls of the connecting rod are threadedly connected with the limiting screw, and the side wall of the limiting screw is threadedly connected with the limiting hole.

[0009] Preferably, the moving supporting mechanism is provided with a clamping mechanism, the clamping mechanism comprises a supporting ring, a limiting bolt and a pressing ball, the top end of the supporting plate is connected with the supporting ring, the side wall of the supporting ring is threadedly connected with a plurality of limiting bolts, and the one end of the limiting bolt located in the inner side of the supporting ring is connected with the pressing ball.

[0010] Preferably, the side wall of the supporting ring is provided with a first screw hole, the side wall of the connecting rod is provided with a second screw hole, the first screw hole is threadedly connected with the limiting bolt, and the second screw hole is threadedly connected with the limiting screw.

[0011] Preferably, the shape of the supporting plate is trapezoidal.

[0012] Preferably, the top end of the top plate is located below the bottom end of the supporting ring.

[0013] The beneficial effects of the utility model are:

[0014] 1) push the supporting plate, make the supporting plate drive the slider to move, utilize the sliding hole and the guide rod sliding connection, make the supporting plate can move along the guide rod, thereby realize the position adjustment effect of the supporting plate, adjust the interval of each supporting plate, adjust the interval of each clamping mechanism, thereby make the clamping mechanism can conveniently adapt to various length threaded oil jacket pipe bodies, make the clamping mechanism can be clamped to the balanced support point of the threaded oil jacket pipe body, avoid the threaded oil jacket pipe body to appear to one side inclination situation.

[0015] 2) place the connecting rod on the connecting block, make the second screw hole and the limiting hole align, screw the limiting screw into the second screw hole and the limiting hole, make the adjacent supporting plate connect as a whole, it is convenient to move multiple supporting plates simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model, and

[0017] Figure 2 It is the overhead structure schematic diagram of the utility model, and

[0018] Figure 3 It is the section structure schematic diagram of the utility model, and

[0019] Figure 4 It is the connecting rod section structure schematic diagram of the utility model, and

[0020] Figure 5 It is the supporting plate structure schematic diagram of the utility model.

[0021] Figure 6 is the branch plate and the support ring section structure schematic diagram of the utility model;

[0022] Figure 7 is Figure 3 the enlarged structure schematic diagram of A place in the middle.

[0023] Reference signs:

[0024] 1, base; 2, guide mechanism; 201, sliding groove; 202, guide rod; 203, top plate; 204, screw; 205, nut; 3, moving support mechanism; 301, support plate; 302, perforation; 303, sliding block; 304, sliding hole; 4, clamping mechanism; 401, support ring; 402, limit bolt; 403, pressing ball; 5, auxiliary mechanism; 501, connecting block; 502, limit hole; 503, connecting rod; 504, limit screw; 6, threaded oil sleeve pipe body. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings. In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0026] The utility model will be further described below in conjunction with the drawings.

[0027] Reference drawings Figures 1-7 A kind of clamp for threaded oil sleeve pipe processing, including base 1, the top end of base 1 is provided with guide mechanism 2, guide mechanism 2 is installed with moving support mechanism 3, moving support mechanism 3 is installed with auxiliary mechanism 5.

[0028] Reference drawings Figures 2-7 Guide mechanism 2 includes sliding groove 201, guide rod 202, top plate 203, screw 204 and nut 205, the top end of base 1 is provided with two symmetrically distributed sliding grooves 201, the side wall of sliding groove 201 is connected with guide rod 202, the top end of base 1 is connected with two symmetrically distributed top plates 203, the side wall of top plate 203 is connected with two symmetrically distributed screw 204, the side wall of screw 204 is connected with multiple nuts 205 by screwing;

[0029] The mobile support mechanism 3 comprises a support plate 301, a through hole 302, a sliding block 303 and a sliding hole 304, the side wall of the support plate 301 is provided with two symmetrical through holes 302, the bottom end of the support plate 301 is connected with two symmetrical sliding blocks 303, the side wall of the sliding block 303 is provided with a sliding hole 304, the side wall of the guide rod 202 is slidably connected with the sliding hole 304, the shape of the support plate 301 is trapezoidal, the mobile support mechanism 3 is provided with a clamping mechanism 4, and the side wall of the screw rod 204 penetrates through the through hole 302.

[0030] The nuts 205 are moved away from the two sides of the support plate 301, then the support plate 301 is pushed to drive the sliding block 303 to move, the sliding hole 304 is slidably connected with the guide rod 202, so that the support plate 301 can move along the guide rod 202, thereby the position adjusting effect of the support plate 301 is realized, the distance between the clamping mechanisms 4 is adjusted by adjusting the distance between the support plates 301, so that the clamping mechanism 4 can conveniently adapt to the threaded oil sleeve pipe body 6 of various lengths, the clamping mechanism 4 can be clamped to the balance supporting point of the threaded oil sleeve pipe body 6, the threaded oil sleeve pipe body 6 is prevented from tilting to one side, then the nuts 205 on the two sides of the support plate 301 are tightened to be attached to the surface of the support plate 301, so as to fix the support plate 301, and then the threaded oil sleeve pipe body 6 is placed on the clamping mechanism 4 for clamping and fixing.

[0031] Reference is made to the accompanying drawings Figure 4 The auxiliary mechanism 5 comprises a connecting block 501, a limiting hole 502, a connecting rod 503 and a limiting screw 504, the side wall of each of the two sides of the support plate 301 is connected with the connecting block 501, the top end of the connecting block 501 is provided with the limiting hole 502, the side wall of each of the two ends of the connecting rod 503 is threadedly connected with the limiting screw 504, and the side wall of the limiting screw 504 is threadedly connected with the limiting hole 502.

[0032] The two ends of the connecting rod 503 are respectively placed on the connecting blocks 501 on the two adjacent support plates 301, the second screw hole is aligned with the limiting hole 502, the limiting screw 504 is screwed into the second screw hole and the limiting hole 502, and the adjacent support plates 301 are connected as a whole, so that a plurality of support plates 301 can be moved at the same time.

[0033] Reference is made to the accompanying drawings Figures 5-6 The mobile support mechanism 3 is provided with the clamping mechanism 4, the clamping mechanism 4 comprises a support ring 401, a limiting bolt 402 and a pressing ball 403, the top end of the support plate 301 is connected with the support ring 401, the side wall of the support ring 401 is threadedly connected with a plurality of limiting bolts 402, one end of the limiting bolt 402 located on the inner side of the support ring 401 is connected with the pressing ball 403, the side wall of the support ring 401 is provided with a first screw hole, the side wall of the connecting rod 503 is provided with a second screw hole, the first screw hole is threadedly connected with the limiting bolt 402, the second screw hole is threadedly connected with the limiting screw 504, and the top end of the top plate 203 is located below the bottom end of the support ring 401.

[0034] The threaded oil sleeve body 6 is extended into the support ring 401, then the limiting bolt 402 is rotated, the pressing ball 403 outside the threaded oil sleeve body 6 is pressed against the surface of the threaded oil sleeve body 6, so that the threaded oil sleeve body 6 is clamped and fixed, and the threaded oil sleeve body 6 is convenient to process.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A clamp for machining of threaded oil casing, comprising a base (1), characterized in that, The top end of the base (1) is provided with a guide mechanism (2), the guide mechanism (2) is installed with a moving support mechanism (3), and the moving support mechanism (3) is installed with an auxiliary mechanism (5).

2. A clamp for machining threaded oil sleeves according to claim 1, characterized in that The guide mechanism (2) comprises a sliding groove (201), a guide rod (202), a top plate (203), a screw rod (204) and a nut (205), the top end of the base (1) is provided with two symmetrically distributed sliding grooves (201), the side wall of the sliding groove (201) is connected with the guide rod (202), the top end of the base (1) is connected with two symmetrically distributed top plates (203), the side wall of the top plate (203) is connected with two symmetrically distributed screw rods (204), and the side wall of the screw rod (204) is threadedly connected with a plurality of nuts (205).

3. A clamp for machining threaded oil sleeves according to claim 2, characterized in that The moving support mechanism (3) comprises a support plate (301), a perforation (302), a sliding block (303) and a sliding hole (304), the side wall of the support plate (301) is provided with two symmetrically distributed perforations (302), the bottom end of the support plate (301) is connected with two symmetrically distributed sliding blocks (303), the side wall of the sliding block (303) is provided with a sliding hole (304), the side wall of the guide rod (202) is slidably connected with the sliding hole (304), and the side wall of the screw rod (204) penetrates through the perforation (302).

4. A clamp for machining threaded oil sleeves according to claim 3, characterized in that The auxiliary mechanism (5) comprises a connecting block (501), a limiting hole (502), a connecting rod (503) and a limiting screw (504), the side wall of the support plate (301) is connected with the connecting block (501), the top end of the connecting block (501) is provided with the limiting hole (502), the side wall of the connecting rod (503) is threadedly connected with the limiting screw (504), and the side wall of the limiting screw (504) is threadedly connected with the limiting hole (502).

5. A clamp for machining threaded oil sleeves according to claim 4, characterized in that The moving support mechanism (3) is installed with a clamping mechanism (4), the clamping mechanism (4) comprises a support ring (401), a limiting bolt (402) and a pressing ball (403), the top end of the support plate (301) is connected with the support ring (401), the side wall of the support ring (401) is threadedly connected with a plurality of limiting bolts (402), and one end of the limiting bolt (402) located on the inner side of the support ring (401) is connected with the pressing ball (403).

6. A clamp for machining threaded oil sleeves according to claim 5, characterized in that The side wall of the support ring (401) is provided with a first screw hole, the side wall of the connecting rod (503) is provided with a second screw hole, the first screw hole is threadedly connected with the limiting bolt (402), and the second screw hole is threadedly connected with the limiting screw (504).

7. A clamp for machining threaded oil sleeves according to claim 3, characterized in that The shape of the support plate (301) is trapezoidal.

8. A clamp for machining threaded oil sleeves according to claim 5, characterized in that The top end of the top plate (203) is located below the bottom end of the support ring (401). The top end of the top plate (203) is located below the bottom end of the support ring (401).

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