Descaling drill bit for oilfield water injection pipeline

Abstract

The utility model relates to a descaling drill bit, belongs to the technical field of pipeline descaling, and particularly relates to an oilfield water injection pipeline descaling drill bit which comprises a drill bit body, the inner wall of the drill bit body is rotatably connected with a connecting pipe, and the inner wall of the connecting pipe is fixedly connected with a fixing frame. Through the arrangement of the cleaning mechanism, water enters the drill bit body through the connecting pipe and is sprayed out through the first water spraying hole and the second water spraying holes, so that the sprayed water cleans dirt in a pipeline, the water drives the impeller, the rotating shaft and the fixing rod to rotate through the connecting pipe, and the fixing rod rotates to drive the drill bit body to rotate; the drill bit body rotates to enable a plurality of second water spraying holes to perform rotary water spraying, the drill bit body rotates to drive a rotating rod to rotate, and the rotating rod rotates to clean dirt in a pipeline, so that the dirt cleaning effect is improved, and the problem that the dirt on the inner wall of the pipeline is mostly cleaned in a water spraying mode is solved. And the cleaning mode is relatively single.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline descaling technical field especially a kind of oilfield injection pipeline descaling drill bit. BACKGROUND

[0002] Oilfield injection pipeline is attached with a large amount of dirt on the inner wall during long-term use, and then the dirt in the pipeline needs to be cleaned.

[0003] According to the search of Chinese patent with the announcement No.CN219560781U, a kind of oilfield gathering and transportation pipeline descaling device is disclosed.The left side of the pressurized turbulent flow component is welded to the right side of the straight edge section of the head shell in the head assembly, the right end of the inlet pipe is connected to the central part of the protruding portion on the left side of the head assembly, and enters the buffer cavity of the head assembly;The brush wheel assembly and the leather plate descaling assembly are respectively arranged on the outer circumference of the inlet pipe.

[0004] Based on the above search and combining with prior art, it is found that:

[0005] The existing drill bit for descaling oilfield injection pipeline mostly uses water spraying to clean the dirt on the inner wall of the pipeline, which is a single cleaning method, thereby reducing the cleaning effect of the oilfield injection pipeline. INVENTION CONTENTS

[0006] To solve the above technical problems, the utility model provides a kind of oilfield injection pipeline descaling drill bit, water is driven impeller to rotate by connecting pipe, impeller rotation drives rotating shaft, fixed rod and drill bit body rotation, drill bit body rotation drives rotating rod rotation, rotating rod rotation can break the dirt in the pipeline, to improve the cleaning effect of dirt.

[0007] The technical solution for achieving the purpose of the utility model is as follows: a kind of oilfield injection pipeline descaling drill bit, including drill bit body, the inner wall of drill bit body is rotatably connected with connecting pipe, the inner wall of connecting pipe is fixedly connected with fixed frame, further including;

[0008] Cleaning mechanism, the cleaning mechanism is located on drill bit body;

[0009] The cleaning mechanism includes a plurality of grooves formed in the drill bit body, a plurality of rotating rods are rotatably connected in the grooves, a plurality of elastic sheets are fixedly connected to the inner walls of the grooves, the plurality of elastic sheets are fixedly connected to the plurality of rotating rods, the inner wall of the connecting pipe is fixedly connected with the fixed frame, the fixed frame is rotatably connected with the rotating shaft, one end of the rotating shaft is fixedly connected with the impeller, the other end of the rotating shaft is fixedly connected with two fixed rods, one end of the two fixed rods is fixedly connected to the inner wall of the drill bit body.

[0010] In some embodiments, a first water jet hole is formed in one end of the drill bit body.

[0011] In some embodiments, a plurality of second water injection holes are formed on the drill bit body, and the plurality of second water injection holes are uniformly distributed on the circumference of the drill bit body.

[0012] In some embodiments, a limiting ring is fixedly connected to the connecting pipe, and a circular groove is formed on the drill bit body, and the limiting ring is located in the circular groove.

[0013] In some embodiments, a plurality of cylindrical protrusions are fixedly connected to the plurality of rotating rods.

[0014] Compared with the prior art, the utility model has the following remarkable advantages:

[0015] The utility model discloses a cleaning mechanism is set up, and water is entered into the drill bit body through the connecting pipe, and is injected out by first water injection hole and a plurality of second water injection holes, so that the water injection can clean the dirt in the pipeline, and the water drives the impeller to rotate through the connecting pipe, and the impeller rotation drives the rotating shaft and the fixed rod to rotate, and the fixed rod rotation drives the drill bit body to rotate, and the drill bit body rotation can rotate the second water injection hole, and the drill bit body rotation drives the rotating rod to rotate, and the rotating rod rotation can clean the dirt in the pipeline, thereby improving the cleaning effect of the dirt.

[0016] The utility model discloses a cleaning mechanism is set up, and water is entered into the drill bit body through the connecting pipe, and is injected out by first water injection hole and a plurality of second water injection holes, so that the water injection can clean the dirt in the pipeline, and the water drives the impeller to rotate through the connecting pipe, and the impeller rotation drives the rotating shaft and the fixed rod to rotate, and the fixed rod rotation drives the drill bit body to rotate, and the drill bit body rotation can rotate the second water injection hole, and the drill bit body rotation drives the rotating rod to rotate, and the rotating rod rotation can clean the dirt in the pipeline, thereby improving the cleaning effect of the dirt. DRAWINGS

[0017] The utility model will be explained further below in combination with the drawings and examples:

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0019] Figure 2 It is the drill bit body internal section three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0020] Figure 3 It is the negotiation and rotating rod cooperation three-dimensional structure schematic diagram provided in an embodiment of the utility model.

[0021] DRAWINGS

[0022] 1, drill bit body;11, connecting pipe;12, fixed frame;13, rotating shaft;14, impeller;15, fixed rod;16, limiting ring;17, first water injection hole;18, second water injection hole;2, recess;21, rotating rod;22, elastic sheet;23, cylindrical protrusion. SPECIFIC IMPLEMENTATION

[0023] The utility model discloses below make detailed instructions, clear, complete to the technical scheme of the embodiment of the utility model is described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0024] The utility model discloses a kind of oilfield injection pipeline descaling drill bits provided by improvement, the technical scheme of the utility model is:

[0025] As Figures 1-3 As shown in a kind of oilfield injection pipeline descaling drill bits, including drill bit body 1, the inner wall of drill bit body 1 is rotatably connected with connecting pipe 11, the inner wall of connecting pipe 11 is fixedly connected with fixed frame 12, further including cleaning mechanism, cleaning mechanism is located on drill bit body 1;Cleaning mechanism includes a plurality of recesses 2 opened in drill bit body 1, a plurality of recesses 2 are rotatably connected with rotating rod 21, the inner wall of a plurality of recesses 2 is fixedly connected with spring piece 22, a plurality of spring pieces 22 are fixedly connected on a plurality of rotating rods 21, the inner wall of connecting pipe 11 is fixedly connected with fixed frame 12, fixed frame 12 is rotatably connected with rotating shaft 13, one end of rotating shaft 13 is fixedly connected with impeller 14, the other end of rotating shaft 13 is fixedly connected with two fixed rods 15, one end of two fixed rods 15 is fixedly connected to the inner wall of drill bit body 1;Through the setting of cleaning mechanism, water drives impeller 14 to rotate by connecting pipe 11, impeller 14 drives rotating shaft 13, fixed rod 15 and drill bit body 1 to rotate, drill bit body 1 drives rotating rod 21 to rotate, rotating rod 21 rotation can break up the dirt in pipeline, to improve the cleaning effect of dirt.

[0026] As Figure 1 As shown in a embodiment, one end of drill bit body 1 is provided with first water jet hole 17, a plurality of second water jet holes 18 are opened on drill bit body 1, and the plurality of second water jet holes 18 are evenly distributed on the circumference of drill bit body 1;Water enters drill bit body 1 by connecting pipe 11, and is sprayed out from first water jet hole 17 and the plurality of second water jet holes 18, so that the sprayed water cleans the dirt in pipeline, and the rotation of drill bit body 1 enables the plurality of second water jet holes 18 to spray water in a rotary manner, thereby improving the cleaning effect of dirt.

[0027] As Figure 2 As shown in a embodiment, connecting pipe 11 is fixedly connected with limiting ring 16, and a circular groove is formed in drill bit body 1, and limiting ring 16 is located in the circular groove;Through the setting of limiting ring 16, the stability of drill bit body 1 is improved.

[0028] As Figure 3As shown, in an embodiment, the plurality of rotating rods 21 are fixedly connected with a plurality of cylindrical protrusions 23; through the arrangement of the cylindrical protrusions 23, the breaking effect on the dirt is improved.

[0029] The specific working method is: water enters the drill bit body 1 through the connecting pipe 11, and is sprayed out from the first water spraying hole 17 and the plurality of second water spraying holes 18, so that the sprayed water can clean the dirt in the pipeline; the water drives the impeller 14 to rotate through the connecting pipe 11, the impeller 14 drives the rotating shaft 13 and the fixed rod 15 to rotate, the fixed rod 15 drives the drill bit body 1 to rotate, the drill bit body 1 rotates to enable the plurality of second water spraying holes 18 to rotate to spray water, the drill bit body 1 drives the rotating rod 21 to rotate, and the rotating rod 21 can break the dirt in the pipeline, thereby improving the cleaning effect on the dirt.

[0030] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes technical solutions composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of those skilled in the art.

Claims

1. An oilfield water injection pipeline descaling drill head, comprising a drill head body (1), the inner wall of the drill head body (1) is rotatably connected with a connecting pipe (11), the inner wall of the connecting pipe (11) is fixedly connected with a fixing frame (12), characterized in that: Also include; The cleaning mechanism is located on the drill bit body (1); The cleaning mechanism comprises a plurality of grooves (2) formed on the drill bit body (1), a plurality of rotating rods (21) are rotatably connected in the plurality of grooves (2), a plurality of elastic sheets (22) are fixedly connected to the inner walls of the plurality of grooves (2), the plurality of elastic sheets (22) are fixedly connected to the plurality of rotating rods (21), the inner wall of the connecting pipe (11) is fixedly connected with a fixed frame (12), the fixed frame (12) is rotatably connected with a rotating shaft (13), one end of the rotating shaft (13) is fixedly connected with an impeller (14), the other end of the rotating shaft (13) is fixedly connected with two fixed rods (15), and one end of the two fixed rods (15) is fixedly connected to the inner wall of the drill bit body (1).

2. An oilfield injection line pigging bit according to claim 1, characterized in that: The drill bit body (1) is provided with a first water injection hole (17) at one end.

3. An oilfield injection line pigging bit according to claim 2, characterized in that: A plurality of second water injection holes (18) are formed on the drill bit body (1), and the plurality of second water injection holes (18) are uniformly distributed on the circumference of the drill bit body (1).

4. An oilfield injection line pigging bit according to claim 3, characterized in that: The connecting pipe (11) is fixedly connected with a limiting ring (16), and the drill bit body (1) is provided with a circular groove, and the limiting ring (16) is located in the circular groove.

5. An oilfield injection line pigging bit according to claim 1, characterized in that: A plurality of cylindrical protrusions (23) are fixedly connected to the plurality of rotating rods (21).

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