Anti-deviation type fishing spear

Abstract

The utility model discloses a kind of anti-deviation type fishing spear, comprising: guide head, the upper surface of the guide head is fixedly connected with connecting shell, the one end of connecting shell away from guide head is fixedly connected with locating seat, the inner surface of locating seat is slidably connected with connecting rod, the upper surface of connecting rod is fixedly connected with pull buckle, the outer surface of connecting rod is fixedly connected with first adjusting seat, the inner surface of first adjusting seat is fixedly connected with first rotating shaft, the outer surface of first rotating shaft is rotatably connected with clamping rod, the movement of second connecting seat is adjusted to support frame, it is convenient for universal wheel to be pasted with inner wall to guide the movement of fishing spear in well drilling or pipeline, avoid fishing spear to run deviation in well drilling, to improve the success rate of fishing, reduce fishing cost, and spring can make universal wheel always pasted with well inner wall, simultaneously buffer the vibration generated when universal wheel moves, improve the stability when fishing spear moves.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fishing spear, especially to a deviation-preventing fishing spear. BACKGROUND

[0002] The fishing spear is a special tool for oil, natural gas and other downhole operations, and in the daily maintenance and fault handling of oil wells, the oil pipe, drill pipe and other pipe columns often fall into the well, which requires the fishing spear to fish out these pipe columns to reduce the loss, restore the normal production of the oil well, and also check and maintain other equipment in the well to ensure the safe production of the oil well.

[0003] The existing fishing spear is inconvenient to guide the movement of the fishing spear during operation, and the fishing spear is prone to deviation when fishing objects, which not only increases the fishing cost and may cause the fishing spear to collide with the well wall, but also increases the company cost. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a deviation-preventing fishing spear which is convenient to guide the movement of the fishing spear in the well or pipeline, improves the stability of the fishing spear when fishing objects, and thus improves the success rate of fishing and reduces the fishing cost.

[0005] The utility model further provides the fishing spear with the above-mentioned deviation-preventing fishing spear, which comprises a guide head, a connecting shell fixedly connected to the upper surface of the guide head, a positioning seat fixedly connected to the end of the connecting shell away from the guide head, a connecting rod slidably connected to the inner surface of the positioning seat, a pull buckle fixedly connected to the upper surface of the connecting rod, a first adjusting seat fixedly connected to the outer surface of the connecting rod, a first rotating shaft fixedly connected to the inner surface of the first adjusting seat, a clamping rod rotatably connected to the outer surface of the first rotating shaft, and a fixing shaft rotatably connected to the inner surface of the clamping rod.

[0006] The lower surface of the connecting rod is fixedly connected with a second adjusting seat, the inner surface of the second adjusting seat is fixedly connected with a second rotating shaft, the outer surface of the second rotating shaft is rotatably connected with an adjusting rod, the inner surface of the end of the adjusting rod away from the second rotating shaft is rotatably connected with a third rotating shaft, the outer surface of the third rotating shaft is fixedly connected with a sliding block, the side surface of the sliding block is fixedly connected with a support frame, the inside of the support frame is fixedly connected with a spring, the end of the spring away from the support frame is fixedly connected with an extension frame, and the end of the extension frame away from the support frame is provided with a universal wheel.

[0007] According to the anti-deviation type fishing spear, the upper surface of the guide head is provided with a sliding groove, and the inner surface of the sliding groove is in sliding connection with a sliding block, so that the movement of the sliding block is guided, and the stability of the movement of the supporting frame is improved.

[0008] According to the anti-deviation type fishing spear, the outer surface of the connecting rod is fixedly connected with a positioning rod, and the outer surface of the positioning rod is in sliding connection with a positioning seat.

[0009] According to the anti-deviation type fishing spear, the outer surface of the clamping rod is in sliding connection with a connecting shell, and the two ends of the fixed shaft are fixedly connected with the connecting shell, so that the movement of the first adjusting seat drives the clamping rod to be opened or contracted, and the object can be fished conveniently.

[0010] According to the anti-deviation type fishing spear, the outer surface of the clamping rod is in sliding connection with a first adjusting seat.

[0011] According to the anti-deviation type fishing spear, the outer surface of the adjusting rod is in sliding connection with a second adjusting seat, and the outer surface of the adjusting rod is in sliding connection with a sliding block.

[0012] According to the anti-deviation type fishing spear, the outer surface of the supporting frame is in sliding connection with the guide head, and the outer surface of the extension frame is in sliding connection with the supporting frame, so that the movement of the supporting frame is facilitated, and the position of the universal wheel is adjusted conveniently by the sliding block driving the supporting frame to move.

[0013] According to the anti-deviation type fishing spear, the outer surface of the connecting rod is in sliding connection with the guide head.

[0014] Compared with the prior art, the anti-deviation type fishing spear has the following beneficial effects:

[0015] 1. The supporting frame is adjusted by the movement of the second connecting seat, the universal wheel is attached to the inner wall for guiding the movement of the fishing spear in the well or the pipeline, the fishing spear is prevented from deviating in the well, the success rate of fishing is improved, and the fishing cost is reduced.

[0016] 2. The universal wheel is always attached to the inner wall of the well, and the vibration generated when the universal wheel moves is buffered, so that the stability of the fishing spear during movement is improved.

[0017] The additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in connection with the drawings and embodiments;

[0019] Figure 1The utility model relates to a whole structure diagram of a deviation-preventing fishing spear,

[0020] Figure 2 The utility model relates to a partial structure explosion map of a deviation-preventing fishing spear,

[0021] Figure 3 The utility model relates to a sectional view of a deviation-preventing fishing spear,

[0022] Figure 4 For Figure 3 The utility model relates to an enlarged schematic view at A in the middle,

[0023] Figure 5 For Figure 3 The utility model relates to an enlarged schematic view at B in the middle.

[0024] Legend:

[0025] 1, guide head, 2, connecting shell, 3, positioning seat, 4, connecting rod, 5, pull buckle, 6, first adjusting seat, 7, first rotating shaft, 8, clamping rod, 9, fixed shaft, 10, second adjusting seat, 11, second rotating shaft, 12, adjusting rod, 13, third rotating shaft, 14, sliding block, 15, support frame, 16, spring, 17, extension frame, 18, universal wheel, 19, sliding slot, 20, positioning rod. Specific embodiments

[0026] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0027] Referring to Figures 1-5 The utility model discloses a deviation-preventing fishing spear, including: guide head 1, the upper surface of guide head 1 is fixedly connected with connecting shell 2, the end away from guide head 1 of connecting shell 2 is fixedly connected with positioning seat 3, the inner surface of positioning seat 3 is slidably connected with connecting rod 4, the outer surface of connecting rod 4 is slidably connected with guide head 1, the outer surface of connecting rod 4 is fixedly connected with positioning rod 20, the outer surface of positioning rod 20 is slidably connected with positioning seat 3, the upper surface of connecting rod 4 is fixedly connected with pull buckle 5, the outer surface of connecting rod 4 is fixedly connected with first adjusting seat 6, the inner surface of first adjusting seat 6 is fixedly connected with first rotating shaft 7, the outer surface of first rotating shaft 7 is rotatably connected with clamping rod 8, the outer surface of clamping rod 8 is slidably connected with first adjusting seat 6, the outer surface of clamping rod 8 is slidably connected with connecting shell 2, the inner surface of clamping rod 8 is rotatably connected with fixed shaft 9, when first adjusting seat 6 moves, drive clamping rod 8 to open or shrink through lever principle, is convenient for clamping object, and the both ends of fixed shaft 9 are fixedly connected with connecting shell 2.

[0028] The lower surface of the connecting rod 4 is fixedly connected with a second adjusting seat 10, the inner surface of the second adjusting seat 10 is fixedly connected with a second rotating shaft 11, the outer surface of the second rotating shaft 11 is rotatably connected with an adjusting rod 12, the outer surface of the adjusting rod 12 is slidably connected with the second adjusting seat 10, the inner surface of the end of the adjusting rod 12 away from the second rotating shaft 11 is rotatably connected with a third rotating shaft 13, the outer surface of the third rotating shaft 13 is fixedly connected with a sliding block 14, the outer surface of the adjusting rod 12 is slidably connected with the sliding block 14, the upper surface of the guide head 1 is provided with a sliding groove 19, the inner surface of the sliding groove 19 is slidably connected with the sliding block 14, the side surface of the sliding block 14 is fixedly connected with a supporting frame 15, the outer surface of the supporting frame 15 is slidably connected with the guide head 1, the outer surface of the extension frame 17 is slidably connected with the supporting frame 15, the inner portion of the supporting frame 15 is fixedly connected with a spring 16, so that the universal wheel 18 can always be attached to the inner wall of the well, and the vibration generated when the universal wheel 18 moves can be buffered, thereby improving the stability of the fishing spear when moving, the end of the spring 16 away from the supporting frame 15 is fixedly connected with the extension frame 17, and the end of the extension frame 17 away from the supporting frame 15 is provided with the universal wheel 18.

[0029] Working principle: when the object falling in the well needs to be fished, the fishing spear is connected with the external telescopic drill rod through the positioning seat 3, and the pull buckle 5 is connected with the external telescopic cylinder, when the fishing spear reaches the object range, the external telescopic rod pulls the pull buckle 5 to drive the connecting rod 4 to move upwards, the connecting rod 4 moves upwards to drive the first adjusting seat 6 and the second adjusting seat 10 to move upwards, the first adjusting seat 6 drives the clamping rod 8 to rotate and open to hang the object to take the object out of the well, meanwhile, the second adjusting seat 10 moves upwards to drive the adjusting rod 12 to open outward, thereby driving the sliding block 14 to move outward along the sliding groove 19, and further driving the supporting frame 15 and the extension frame 17 to move outward to make the universal wheel 18 abut against the inner wall of the well to guide the movement of the fishing spear and prevent the fishing spear from deviating, through the spring 16, the universal wheel 18 can always be attached to the inner wall of the well, and the vibration generated when the universal wheel 18 moves can be buffered, thereby improving the stability of the fishing spear when moving.

[0030] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A type of anti-deviation retrieval spear, characterized in that, include: A guide head (1) is fixedly connected to a connecting shell (2) on its upper surface. A positioning seat (3) is fixedly connected to one end of the connecting shell (2) away from the guide head (1). A connecting rod (4) is slidably connected to the inner surface of the positioning seat (3). A pull buckle (5) is fixedly connected to the upper surface of the connecting rod (4). A first adjusting seat (6) is fixedly connected to the outer surface of the connecting rod (4). A first rotating shaft (7) is fixedly connected to the inner surface of the first adjusting seat (6). A clamping rod (8) is rotatably connected to the outer surface of the first rotating shaft (7). A fixed shaft (9) is rotatably connected to the inner surface of the clamping rod (8). The lower surface of the connecting rod (4) is fixedly connected to a second adjusting seat (10), the inner surface of the second adjusting seat (10) is fixedly connected to a second rotating shaft (11), the outer surface of the second rotating shaft (11) is rotatably connected to an adjusting rod (12), the inner surface of the adjusting rod (12) away from the second rotating shaft (11) is rotatably connected to a third rotating shaft (13), the outer surface of the third rotating shaft (13) is fixedly connected to a slider (14), the side surface of the slider (14) is fixedly connected to a support frame (15), the inside of the support frame (15) is fixedly connected to a spring (16), the end of the spring (16) away from the support frame (15) is fixedly connected to an extension frame (17), and the end of the extension frame (17) away from the support frame (15) is provided with a universal wheel (18).

2. The anti-deviation retrieval spear according to claim 1, characterized in that, The upper surface of the guide head (1) is provided with a groove (19), and the inner surface of the groove (19) is slidably connected to the slider (14).

3. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the connecting rod (4) is fixedly connected to the positioning rod (20), and the outer surface of the positioning rod (20) is slidably connected to the positioning seat (3).

4. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the clamping rod (8) is slidably connected to the connecting shell (2), and the two ends of the fixed shaft (9) are fixedly connected to the connecting shell (2).

5. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the clamping rod (8) is slidably connected to the first adjusting seat (6).

6. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the adjusting rod (12) is slidably connected to the second adjusting seat (10), and the outer surface of the adjusting rod (12) is slidably connected to the slider (14).

7. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the support frame (15) is slidably connected to the guide head (1), and the outer surface of the extension frame (17) is slidably connected to the support frame (15).

8. The anti-deviation retrieval spear according to claim 1, characterized in that, The outer surface of the connecting rod (4) is slidably connected to the guide head (1).

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