Flip mechanism

Abstract

The present invention discloses a flipping mechanism, including a seat rod, a connecting rod assembly and a driving assembly, wherein the upper end of the seat rod side wall is fixedly connected to a seat rod rotating ear, and a third rotating shaft is horizontally fixedly connected between the seat rod rotating ears, and both ends of the third rotating shaft pass through the seat rod rotating ears and are rotatably connected to L-shaped rotating rod rotating ears, and one end of the L-shaped rotating rod rotating ear away from the third rotating shaft is fixedly connected to the rotating rod. The present invention is provided with a connecting rod assembly, under the action of the fourth rotating shaft, the second rotating shaft and the fifth rotating shaft, the L-shaped bending pull plate and the straight pull plate push the L-shaped rotating rod rotating ear to flip, so that the L-shaped rotating rod rotating ear drives the rotating rod to flip, the structure is compact, the volume is small, and it is convenient to be arranged in a position with limited space. The present invention can flip the guide rail device to both sides of the lower body of the derrick without affecting the normal operation of the well repair machine and other operating machines, and the power source of the cylinder in the flipping mechanism is provided by the air path system equipped by the vehicle itself, and the flipping purpose is achieved through the pneumatic valve equipped with the cylinder.

Description

Technical Field

[0001] The invention relates to the technical field of oilfield well repair and drilling, in particular to a turnover mechanism. Background Art

[0002] Well repair rigs or well dredging rigs are the most basic and main power source for well repair and underground operations. According to their operating structure, they are divided into two types: crawler type and tire type. Crawler type well repair rigs are generally not equipped with a derrick, and their power has good off-road performance, which is suitable for construction in low-lying muddy areas. Tire type well repair rigs are generally equipped with self-carrying derricks, which have fast travel speed and high construction efficiency, and are suitable for the needs of rapid relocation.

[0003] In the process of using a top drive device to repair a well, only two steel wire ropes are used to fix the top drive device. During its normal operation, it shakes severely and has unstable torque. In windy weather, the steel wire ropes are prone to breakage, making operation inconvenient.

[0004] In view of the above problems, an improved turning mechanism is now designed. Summary of the invention

[0005] The object of the present invention is to provide a turning mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The flip mechanism comprises a seat rod, a connecting rod assembly and a driving assembly, wherein the upper end of the seat rod side wall is fixedly connected to a seat rod rotating ear, a third rotating shaft is horizontally fixedly connected between the seat rod rotating ears, both ends of the third rotating shaft pass through the seat rod rotating ears and are rotatably connected to L-shaped rotating rod rotating ears, one end of the L-shaped rotating rod rotating ear away from the third rotating shaft is fixedly connected to a rotating rod, and the rotating rod and the side wall of the L-shaped rotating rod rotating ear are perpendicular to each other.

[0008] The connecting rod assembly is arranged between the seat rod and the rotating rod, and is used for turning the rotating rod under the action of the rotating shaft.

[0009] The driving assembly is arranged on the seat rod and is used for driving the connecting rod assembly to work.

[0010] As a further solution of the present invention: the connecting rod assembly includes two fifth rotating shafts, the two fifth rotating shafts are respectively arranged on both sides of the L-shaped rotating rod ear, the fifth rotating shaft is fixedly connected to the side wall of the L-shaped rotating rod ear away from the third rotating shaft, a straight pull plate is rotatably connected to the side wall of the fifth rotating shaft, a second rotating shaft is arranged between the straight pull plates, the second rotating shaft is rotatably connected to the side wall of the straight pull plate away from the fifth rotating shaft, both ends of the second rotating shaft pass through the side wall of the straight pull plate and are rotatably connected to the L-shaped bent pull plates, the end of the L-shaped bent pull plate away from the second rotating shaft is rotatably connected to the fourth rotating shaft, and the fourth rotating shaft is fixedly connected to the side wall of the seat rod close to the seat rod rotating ear.

[0011] As a further solution of the present invention: the driving assembly includes a first rotating shaft, the first rotating shaft is rotatably connected to the cylinder pull ear, the center position of the first rotating shaft is fixedly connected to the cylinder rod body through a fixed block, the cylinder rod body is arranged between the rotating rod and the seat rod, the output end of the cylinder rod body is fixedly connected to the piston rod, the end of the piston rod away from the cylinder rod body is fixedly connected to a rotating tube, and the rotating tube is fixedly sleeved on the side wall of the second rotating shaft between the straight pull plates.

[0012] As a further solution of the present invention: the straight-pull plate is internally fixedly connected with reinforcing ribs for improving the structural strength of the straight-pull plate.

[0013] As a further solution of the present invention: the seat post is detachably connected to the mounting frame by bolts.

[0014] As a further solution of the present invention: gaskets are provided between the straight pull plate and the L-shaped rotating rod ear and between the straight pull plate and the L-shaped bending pull plate to facilitate relative rotation of the straight pull plate, the L-shaped rotating rod ear and the L-shaped bending pull plate.

[0015] As a further solution of the present invention: the rotating rod and the L-shaped rotating rod rotating ear are fixedly connected together by welding.

[0016] As a further solution of the present invention: the side walls of the seat rod and the rotating rod are coated with an anti-rust coating for preventing the seat rod and the rotating rod from rusting.

[0017] As a further solution of the present invention: the upper end of the seat post rotating ear is coated with graphite powder to facilitate the sliding of the rotating tube along the upper end of the seat post rotating ear.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention is provided with a connecting rod assembly. Under the action of the fourth rotating shaft, the second rotating shaft and the fifth rotating shaft, the L-shaped bending plate and the straight pulling plate push the L-shaped rotating rod ear to flip, so that the L-shaped rotating rod ear drives the rotating rod to flip. The structure is compact and the volume is small, which is convenient to be set in a position with limited space, thereby improving the flipping efficiency of the rotating rod.

[0020] 2. The present invention is provided with a driving assembly, which utilizes the cylinder rod body and the piston rod to push the second rotating shaft to drive the L-shaped bending and pulling plate to swing, so that the rotating rod is flipped under the action of the L-shaped bending and pulling plate, the straight pulling plate and the L-shaped rotating rod rotating ear. The structure is compact and the volume is small, which is convenient for installation in a position with limited space, thereby improving the flipping efficiency of the rotating rod.

[0021] 3. The present invention can flip the guide rail device to both sides of the lower body of the derrick without affecting the normal operation of the well repair machine and other operating machines. The power source of the cylinder in the flipping mechanism is provided by the air circuit system equipped by the vehicle itself, and the flipping purpose is achieved through the pneumatic valve equipped by the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention in a folded state.

[0023] Figure 2 It is a schematic diagram of the structure of the present invention in the extended state.

[0024] Figure 3 For the present invention Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0025] Among them: 1. seat rod; 2. cylinder pull ear; 3. seat rod rotating ear; 4. rotating rod; 5. L-shaped rotating rod rotating ear; 6. cylinder rod body; 7. piston rod; 8. L-shaped bending pull plate; 9. straight pull plate; 10. first rotating shaft; 11. second rotating shaft; 12. third rotating shaft; 13. fourth rotating shaft; 14. fifth rotating shaft; 15. rotating tube. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 3 In the embodiment of the present invention, the flip mechanism includes a seat rod 1, a connecting rod assembly and a driving assembly. The upper end of the side wall of the seat rod 1 is fixedly connected to a seat rod rotating ear 3, and a third rotating shaft 12 is horizontally fixedly connected between the seat rod rotating ears 3. Both ends of the third rotating shaft 12 pass through the seat rod rotating ears 3 and are rotatably connected to L-shaped rotating rod rotating ears 5. The end of the L-shaped rotating rod rotating ear 5 away from the third rotating shaft 12 is fixedly connected to a rotating rod 4, and the rotating rod 4 and the side walls of the L-shaped rotating rod rotating ear 5 are perpendicular to each other.

[0028] The connecting rod assembly is arranged between the seat rod 1 and the rotating rod 4, and is used to turn the rotating rod 4 under the action of the rotating shaft.

[0029] The driving assembly is arranged on the seat post 1 and is used to drive the connecting rod assembly to work.

[0030] The connecting rod assembly includes two fifth rotating shafts 14, which are respectively arranged on both sides of the L-shaped rotating rod ear 5, and the fifth rotating shaft 14 is fixedly connected to the side wall of the L-shaped rotating rod ear 5 away from the third rotating shaft 12. A straight pull plate 9 is rotatably connected to the side wall of the fifth rotating shaft 14. A second rotating shaft 11 is arranged between the straight pull plates 9. The second rotating shaft 11 is rotatably connected to the side wall of the straight pull plate 9 away from the fifth rotating shaft 14. Both ends of the second rotating shaft 11 pass through the side wall of the straight pull plate 9 and are rotatably connected to the L-shaped bending plate 8. The end of the L-shaped bending plate 8 away from the second rotating shaft 11 is rotatably connected to the fourth rotating shaft 13, and the fourth rotating shaft 13 is fixedly connected to the side wall of the seat rod 1 close to the seat rod ear 3.

[0031] The working principle of the connecting rod assembly is that when the second rotating shaft 11 moves, the second rotating shaft 11 drives the L-shaped bending plate 8 to swing around the fourth rotating shaft 13, and at the same time, the second rotating shaft 11 pushes the straight pulling plate 9 to move, and the two ends of the straight pulling plate 9 rotate around the second rotating shaft 11 and the side wall of the fifth rotating shaft 14 respectively, and then the straight pulling plate 9 pushes the L-shaped rotating rod ear 5 to swing around the third rotating shaft 12, and the L-shaped rotating rod ear 5 drives the rotating rod 4 to flip.

[0032] The function of the connecting rod assembly is to make the L-shaped bending plate 8 and the straight pulling plate 9 push the L-shaped rotating rod ear 5 to flip under the action of the fourth rotating shaft 13, the second rotating shaft 11 and the fifth rotating shaft 14, so that the L-shaped rotating rod ear 5 drives the rotating rod 4 to flip. It has a compact structure and a small size, and is easy to be set in a position with limited space, thereby improving the flipping efficiency of the rotating rod 4 and facilitating use by users.

[0033] The driving assembly includes a first rotating shaft 10, which is rotatably connected to the cylinder pull ear 2. The center position of the first rotating shaft 10 is fixedly connected to a cylinder rod body 6 through a fixed block. The cylinder rod body 6 is arranged between the rotating rod 4 and the seat rod 1. The output end of the cylinder rod body 6 is fixedly connected to a piston rod 7. The end of the piston rod 7 away from the cylinder rod body 6 is fixedly connected to a rotating tube 15. The rotating tube 15 is fixedly sleeved on the side wall of the second rotating shaft 11 between the straight pull plates 9.

[0034] The working principle of the driving assembly is to start the cylinder rod body 6 to extend, the output end of the cylinder rod body 6 pushes the piston rod 7 to extend, the piston rod 7 pushes the rotating tube 15 to move, the rotating tube 15 pushes the second rotating shaft 11 to move, so that the second rotating shaft 11 drives the connecting rod assembly to work.

[0035] The function of the driving assembly is to utilize the cylinder rod body 6 and the piston rod 7 to push the second rotating shaft 11 to drive the L-shaped bending and pulling plate 8 to swing, so that under the action of the L-shaped bending and pulling plate 8, the straight pulling plate 9 and the L-shaped rotating rod rotating ear 5, the rotating rod 4 is flipped. The structure is compact and the volume is small, which is convenient to be set in a position with limited space, thereby improving the flipping efficiency of the rotating rod 4 and facilitating the use of the user.

[0036] The working principle of the present invention is:

[0037] When in use, the cylinder rod body 6 is started, and the output end of the cylinder rod body 6 drives the piston rod 7 to extend and retract, the piston rod 7 drives the rotating tube 15 to move, the rotating tube 15 drives the second rotating shaft 11 to move, the second rotating shaft 11 drives the L-shaped bending and pulling plate 8 to swing around the fourth rotating shaft 13, and at the same time the second rotating shaft 11 pushes the straight pulling plate 9 to move, and the two ends of the straight pulling plate 9 rotate around the second rotating shaft 11 and the side walls of the fifth rotating shaft 14 respectively, and then the straight pulling plate 9 pushes the L-shaped rotating rod ear 5 to swing around the third rotating shaft 12, and the L-shaped rotating rod ear 5 drives the rotating rod 4 to flip.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A flip mechanism, comprising a seat post (1), a connecting rod assembly and a driving assembly, wherein the upper end of the side wall of the seat post (1) is fixedly connected with a seat post rotating ear (3), characterized in that: A third rotating shaft (12) is horizontally fixedly connected between the seat rod rotating ears (3), and both ends of the third rotating shaft (12) pass through the seat rod rotating ears (3) and are rotatably connected to L-shaped rotating rod rotating ears (5), and one end of the L-shaped rotating rod rotating ear (5) away from the third rotating shaft (12) is fixedly connected to a rotating rod (4), and the rotating rod (4) and the side wall of the L-shaped rotating rod rotating ear (5) are perpendicular to each other; The connecting rod assembly is arranged between the seat rod (1) and the rotating rod (4) and is used to turn the rotating rod (4) under the action of the rotating shaft; The driving assembly is arranged on the seat rod (1) and is used to drive the connecting rod assembly to work; The connecting rod assembly comprises two fifth rotating shafts (14), the two fifth rotating shafts (14) are respectively arranged on both sides of the L-shaped rotating rod ear (5), the fifth rotating shaft (14) is fixedly connected to the side wall of the L-shaped rotating rod ear (5) away from the third rotating shaft (12), a straight pull plate (9) is rotatably connected to the side wall of the fifth rotating shaft (14), a second rotating shaft (11) is arranged between the straight pull plates (9), the second rotating shaft (11) is rotatably connected to the side wall of the straight pull plate (9) away from the fifth rotating shaft (14), both ends of the second rotating shaft (11) pass through the side wall of the straight pull plate (9) and are rotatably connected to the L-shaped bending plate (8), the end of the L-shaped bending plate (8) away from the second rotating shaft (11) is rotatably connected to the fourth rotating shaft (13), and the fourth rotating shaft (13) is fixedly connected to the side wall of the seat rod (1) close to the seat rod ear (3); The driving assembly comprises a first rotating shaft (10), the first rotating shaft (10) is rotatably connected to the cylinder pull ear (2), the center position of the first rotating shaft (10) is fixedly connected to a cylinder rod body (6) via a fixed block, the cylinder rod body (6) is arranged between the rotating rod (4) and the seat rod (1), the output end of the cylinder rod body (6) is fixedly connected to a piston rod (7), the end of the piston rod (7) away from the cylinder rod body (6) is fixedly connected to a rotating tube (15), and the rotating tube (15) is fixedly sleeved on the side wall of the second rotating shaft (11) between the straight pull plates (9); The straight-pull plate (9) is internally fixedly connected with reinforcing ribs for improving the structural strength of the straight-pull plate (9); Gaskets are provided between the straight pull plate (9) and the L-shaped rotating rod ear (5) and between the straight pull plate (9) and the L-shaped bending pull plate (8) to facilitate relative rotation of the straight pull plate (9), the L-shaped rotating rod ear (5) and the L-shaped bending pull plate (8); The side walls of the seat rod (1) and the rotating rod (4) are coated with an anti-rust coating for preventing the seat rod (1) and the rotating rod (4) from rusting.

2. The turning mechanism according to claim 1, characterized in that: The seat rod (1) is detachably connected to the mounting frame via bolts.

3. The turning mechanism according to claim 1, characterized in that: The rotating rod (4) and the L-shaped rotating rod rotating ear (5) are fixedly connected together by welding.

4. The turning mechanism according to claim 1, characterized in that: The upper end of the seat rod rotating ear (3) is coated with graphite powder to facilitate the sliding of the rotating tube (15) along the upper end of the seat rod rotating ear (3).

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