A kind of flip-over well servicing automation equipment for vehicles

Abstract

The present invention relates to a flip-over workover automation operation device for vehicles, which includes a derrick and an operation platform. A guide rail is arranged at the central position of the operation platform, and a hydraulic tong mechanism is arranged on the guide rail. An inner tong support is arranged under the derrick. A lifting oil cylinder is fixed on the left side of the derrick. A fixed plate that can move up and down with the piston part of the lifting oil cylinder is arranged on the piston part of the lifting oil cylinder. The right side of the operation platform is hinged to the fixed plate. A flip-over oil cylinder is also arranged on the fixed plate. The cylinder barrel of the flip-over oil cylinder is hinged to the fixed plate, and the piston part of the flip-over oil cylinder is connected to the lower part of the operation platform. The inner tong support is provided with a placement groove adapted to the hydraulic tong mechanism. The present invention can effectively solve the problems that the existing workover operation equipment has a low integration level, there is no highly integrated operation platform, hydraulic tongs and other mechanisms need to be installed on site, and a large amount of manpower and material resources are required for installation, disassembly and inconvenient handling before and after use.

Description

Technical Field

[0001] The invention relates to a reversible vehicle-mounted well repairing automated operation equipment. Background Art

[0002] At present, most workover rigs are mainly used for the lifting and lowering of equipment such as oil pipes. Other processes such as the lifting of oil pipes from pipe racks to elevators still rely mainly on manual work. Although there are some automations, they are inconvenient to move and dismantle, and require cranes to lift, as well as the disassembly and installation of liquid, gas and electrical pipelines. They are unable to meet the requirements of existing minor repair operations. Summary of the invention

[0003] The purpose of the present invention is to provide a reversible vehicle-mounted automated well repair operation equipment to solve the problems that the existing well repair operation equipment has a low degree of integration, does not have a highly integrated operation platform, requires on-site installation of hydraulic clamps and other mechanisms, and requires a large amount of manpower and material resources for installation and disassembly before and after use, and is inconvenient to carry.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a flippable vehicle-mounted automated well repairing operation equipment, including a derrick and an operation platform, a slip for clamping a pipe column is arranged at the center position of the operation platform, and the slip is arranged on a flange on the pipe opening on the operation platform; a guide rail is arranged on the front and rear sides of the center position of the operation platform, and a hydraulic clamp mechanism that can slide along the guide rail is arranged on the guide rail; the hydraulic clamp mechanism includes a hydraulic clamp frame and a hydraulic clamp arranged on the hydraulic clamp frame; an inner clamp frame support is arranged below the derrick, a lifting cylinder is fixed on the left side of the derrick, and a fixed plate that can be lifted and lowered with the lifting cylinder is arranged on the piston part of the lifting cylinder, and the right side of the operation platform is hinged on the fixed plate, and a flip cylinder is also arranged on the fixed plate, and the cylinder barrel of the flip cylinder is hinged on the fixed plate, and the piston part of the flip cylinder is connected to the lower part of the operation platform; the inner clamp frame support is provided with a placement groove adapted to the hydraulic clamp mechanism; the hydraulic clamp mechanism can be flipped vertically with the operation platform, and when the hydraulic clamp mechanism runs to the end of the guide rail, it is placed on the placement groove.

[0005] Furthermore, a well support mechanism is arranged on the left side of the working platform away from the derrick.

[0006] Furthermore, pipe column centering mechanisms are symmetrically arranged on both sides of the front and rear of the center of the work platform.

[0007] Furthermore, a turning cylinder is respectively arranged below the front and rear sides of the working platform.

[0008] Furthermore, a lifting cylinder is respectively provided on the front and rear sides of the end of the working platform.

[0009] Furthermore, a liquid collection tank is arranged at the center of the working platform, a pipeline opening of the working platform is arranged at the center of the liquid collection tank, and a liquid discharge port is arranged at the bottom of the liquid collection tank.

[0010] Further, a rack is provided on the outer side wall of one of the two guide rails, and a gear adapted thereto is engaged with the rack; a hydraulic motor is provided on the outer side wall of the bottom of the hydraulic tongs frame, and the gear is arranged on the rotating shaft of the hydraulic motor.

[0011] Further, the well aligning mechanism includes a well aligning seat for being arranged on the operation platform. A rotatable well aligning member is hinged on the well aligning seat. A gripper for clamping the tubing string is arranged on the well aligning member. A three-position cylinder is further arranged on the well aligning seat. The cylinder barrel of the three-position cylinder is hinged on the well aligning seat, and the top end of its piston part is connected with the well aligning member; the well aligning member is a square frame, and its bottom frame is hinged on the well aligning seat; two three-position cylinders are provided, and the top ends of the piston parts of the two three-position cylinders are respectively hinged with the front and rear frames of the well aligning member; the gripper is arranged on the top frame of the well aligning member.

[0012] Further, the centering mechanism includes a centering fixed seat. Two groups of centering mechanisms are symmetrically arranged on the centering fixed seat relative to the position of the wellhead. Each centering mechanism includes a counter side push cylinder, a rotating seat, a guiding seat, a half pipe positioning sleeve, an adjusting plate and a side swing cylinder; the bottom of the rotating seat is hinged on the centering fixed seat; the bottom of the cylinder barrel of the side swing cylinder is hinged on the centering fixed seat, and its piston part is hinged on the right side wall of the rotating seat; the guiding seat is telescopically arranged at the top of the inner cavity of the rotating seat; the cylinder barrel of the counter side push cylinder is fixed on the left side wall of the rotating seat, and its piston part is hinged on the left side wall of the guiding seat; the adjusting plate is arranged on the top of the guiding seat; the half pipe positioning sleeve is arranged on the adjusting plate and is used for clamping the tubing string; when the half pipe positioning sleeves in the two groups of centering mechanisms are butted, they cooperate to clamp the tubing string.

[0013] Further, the present flip-type vehicle-mounted workover automation operation device further includes a column fixed on the derrick, and a guiding groove is arranged therein; a roller assembly capable of lifting along the guiding groove is arranged in the guiding groove. The roller assembly includes a roller capable of lifting along the guiding groove, and a roller shaft is arranged at the center of the roller; a lifting oil cylinder is fixed at the bottom of the column, and the piston part of the lifting oil cylinder is connected with the roller shaft; a fixing plate is arranged on the roller assembly.

[0014] Advantages of the present invention: The lifting of the working platform is achieved through the cooperation of the lifting oil cylinder and the fixing plate. The flipping of the working platform is realized through the cooperation of the flipping oil cylinder, the working platform, and the fixing plate. By setting the placement groove, when the hydraulic clamp mechanism runs to the end and flips with the working platform, it can be placed thereon. At the same time, the entire working platform flips and is placed on the left side of the derrick, reducing space occupation and facilitating transportation with the vehicle. No hoisting is required, and the disassembly and assembly are convenient and fast. At the same time, the hydraulic clamp, well support mechanism, and centering mechanism are all centrally arranged, which is convenient to use. It only needs to be transported to the required position for use without additional installation. It meets the requirements of existing minor repair operations, reduces the labor intensity of workers, and avoids safety accidents. It effectively solves the problems of low integration of existing workover equipment, lack of a highly integrated working platform, the need to install mechanisms such as hydraulic clamps on site, and the inconvenience of installation, disassembly, and transportation that require a large amount of manpower and material resources before and after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the present invention.

[0016] Figure 2 is a structural schematic diagram of the working platform of the present invention after flipping.

[0017] Figure 3 is a structural schematic diagram of the positional relationship between the guide rail and the hydraulic clamp mechanism.

[0018] Figure 4 is a structural schematic diagram of the working platform.

[0019] Figure 5 is a structural schematic diagram of the well support mechanism.

[0020] Figure 6 is a structural schematic diagram of the centering mechanism.

[0021] Figure 7 is a structural schematic diagram of the roller assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Embodiment, as Figures 1 to 7A kind of flip - type on - vehicle workover automation equipment shown in the figure includes a derrick 1 and an operating platform 2. At the center of the operating platform 2, there is a slip 3 for clamping the pipe string. The slip 3 is arranged on the flange of the pipe opening 14 on the operating platform 2. On the front and rear sides of the center position of the operating platform 2, there is a guide rail 4 respectively. A hydraulic tong mechanism 5 which can slide along it is arranged on the guide rail 4. The hydraulic tong mechanism 5 includes a hydraulic tong frame 21 and a hydraulic tong 22 arranged on the hydraulic tong frame 21. Below the derrick 1, there is an inner tong support 6. On the left side of the derrick 1, a lifting oil cylinder 7 is fixed. On the piston part of the lifting oil cylinder 7, there is a fixing plate 8 which can move up and down with it. The right side of the operating platform 2 is hinged to the fixing plate 8. On the fixing plate 8, there is also a turning oil cylinder 9. The cylinder barrel of the turning oil cylinder is hinged to the fixing plate 8, and the piston part of the turning oil cylinder 9 is connected to the lower part of the operating platform 2. The inner tong support 6 is provided with an installation groove 10 adapted to the hydraulic tong mechanism 5. The hydraulic tong mechanism 5 can be turned vertically along with the operating platform 2, and when the hydraulic tong mechanism 5 runs to the end of the guide rail 4, it is placed on the installation groove 10.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise stated, the meaning of "a plurality" is two or more. In addition, the term "comprising" and any of its variations are intended to cover non - exclusive inclusion.

[0024] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected with" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0025] The terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the exemplary embodiments. Unless the context clearly dictates otherwise, the singular forms "a", "an" as used herein are also intended to include the plural. It should also be understood that the terms "comprises" and / or "comprising" specify the presence of the stated features, integers, steps, operations, units and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, units, components and / or combinations thereof.

[0026] The following is combined with Figures 1 to 7 to further elaborate on the concept of the present invention.

[0027] A flip - type on - vehicle workover automation device includes a derrick 1, an operating platform 2. A slip 3 for clamping a pipe string is arranged at the central position of the operating platform 2, and the slip 3 is arranged on a flange on a pipe opening 14 on the operating platform 2; on the front and rear sides of the central position of the operating platform 2, a guide rail 4 is respectively arranged, and a hydraulic tong mechanism 5 which can slide along it is arranged on the guide rail 4; the hydraulic tong mechanism 5 includes a hydraulic tong frame 21 and a hydraulic tong 22 arranged on the hydraulic tong frame 21; below the derrick 1, an inner tong support 6 is arranged, a lifting oil cylinder 7 is fixed on the left side of the derrick 1, a fixing plate 8 which can lift along with the piston part of the lifting oil cylinder 7 is arranged on the piston part of the lifting oil cylinder 7, the right side of the operating platform 2 is hinged on the fixing plate 8, and a flip - over oil cylinder 9 is also arranged on the fixing plate 8. The cylinder barrel of the flip - over oil cylinder is hinged on the fixing plate 8, and the piston part of the flip - over oil cylinder 9 is connected to the lower part of the operating platform 2; the inner tong support 6 is provided with a placement groove 10 adapted to the hydraulic tong mechanism 5; the hydraulic tong mechanism 5 can be perpendicular along with the flip - over of the operating platform 2, and when the hydraulic tong mechanism 5 runs to the end of the guide rail 4, it is placed on the placement groove 10.

[0028] On the left side of the operating platform 2 facing away from the derrick 1, a well - supporting mechanism 11 is arranged. The well - supporting mechanism 11 includes a well - supporting seat arranged on the operating platform 2, a rotatable well - support 31 is hinged on the well - supporting seat, a gripper 32 for clamping an oil pipe string is arranged on the well - support 31, and a three - position air cylinder 33 is also arranged on the well - supporting seat. The cylinder barrel of the three - position air cylinder 33 is hinged on the well - supporting seat, and the top of its piston part is connected to the well - support 31.

[0029] The well - support 31 is a square frame, and its bottom border is hinged on the well - supporting seat; there are two three - position air cylinders 33, and the tops of the piston parts of the two three - position air cylinders 33 are respectively hinged to the front and rear borders of the well - support 31; the gripper 32 is arranged on the top border of the well - support 31.

[0030] The well support seat includes a well support seat vertical plate 34 and a well support seat bottom frame 35. The well support seat vertical plate 34 is vertically arranged on the well support seat bottom frame 35. The bottom frame of the well support 31 is hinged to the well support seat vertical plate 34. The cylinders of two three-position cylinders 3 are hinged to the well support seat bottom frame 35. Hinge ears 36 for hinging are provided on the well support, the well support seat vertical plate 34 and the well support seat bottom frame 35. The gripper 32 is detachably arranged on the top frame of the well support 31.

[0031] Pipe column centering mechanisms 12 are symmetrically arranged on the front and rear sides of the center position of the operation platform 2. The pipe column centering mechanism 12 includes a centering fixed seat 41. Two groups of centering mechanisms are symmetrically arranged on the centering fixed seat 41 relative to the wellhead position. Each centering mechanism includes a lateral push cylinder 42, a rotating seat 43, a guiding seat 44, a semi-pipe positioning sleeve 45, an adjusting plate 46, and a lateral swing cylinder 47. The bottom of the rotating seat 43 is hinged to the centering fixed seat 41. The bottom of the cylinder of the lateral swing cylinder 7 is hinged to the centering fixed seat 41, and its piston part is hinged to the right side wall of the rotating seat 43. The guiding seat 44 is telescopically arranged at the top of the inner cavity of the rotating seat 43. The cylinder of the lateral push cylinder 42 is fixed to the left side wall of the rotating seat 43, and its piston part is hinged to the left side wall of the guiding seat 44. The adjusting plate 46 is arranged on the top of the guiding seat 44. The semi-pipe positioning sleeve 45 is arranged on the adjusting plate 46 and is used for clamping the tubing string. When the semi-pipe positioning sleeves 45 in the two groups of centering mechanisms are butted, they cooperate to clamp the tubing string. A right side wall hinge ear 49 is arranged on the right side wall of the rotating seat 43, a left side wall hinge ear 48 is arranged on the left side wall of the guiding seat 44, the piston part of the lateral swing cylinder 7 is hinged to the right side wall hinge ear 49, and the piston part of the lateral push cylinder 42 is hinged to the left side wall hinge ear 48.

[0032] The centering fixed seat 41 can be one, or it can also be: one centering fixed seat 41 is respectively provided for each group of centering mechanisms. A lateral swing limiting plate 14 is arranged on the bottom left side of the centering fixed seat 41 where the rotating seat 3 is located.

[0033] The rotating seat 43 can rotate 45 - 60° to the left and right respectively, and the rotation angle can be selected and adjusted as needed. And 45 - 60° is not a limiting value either. The main idea of this case is that it can rotate to the left and right, and the specific rotation angle can be selected as needed, which can be less than 45°, or can be greater than 60°.

[0034] A set of assembly holes 410 are arranged on the adjusting plate 46, and key pins 411 adapted to the assembly holes 410 are arranged on the top of the guiding seat 44. The position of the adjusting plate 46 relative to the guiding seat 44 can be adjusted by inserting the key pins 411 into different assembly holes 410. There are two key pins 411, and the assembly holes 410 are arranged in groups of two, with multiple groups provided. The two assembly holes 410 in each group just match the two key pins 411.

[0035] Each half-pipe positioning sleeve 5 includes a vertically arranged half-pipe 412 and a half-funnel 413 provided at the top of the half-pipe 412. The two half-pipes 412 and the two half-funnels 413 cooperate to form a complete pipe sleeve and a complete funnel adapted to the tubing string. The half-pipe 412 and the half-funnel 413 are integrally formed or detachably formed separately.

[0036] One tipping cylinder 9 is respectively provided below the front and rear sides of the working platform 2. One lifting cylinder 7 is respectively provided at the front and rear sides of the end of the working platform 2.

[0037] A liquid accumulation tank 13 is provided at the center of the working platform 2. The pipe orifice 14 of the working platform 2 is provided at the center of the liquid accumulation tank 13, and a liquid discharge port is provided at the bottom of the liquid accumulation tank 13.

[0038] A rack 15 is provided on the outer side wall of one of the two guide rails 4. A gear 16 adapted to it is meshed with the rack 15; a hydraulic motor 17 is provided on the outer side wall of the bottom of the hydraulic tongs frame, and the gear 16 is provided on the rotating shaft of the hydraulic motor 17. When the working platform 2 is placed horizontally, the end of the guide rail 4 extends above the placement groove 10. When the working platform 2 is turned over, the end of the guide rail 4 is placed in the placement groove 10.

[0039] This flip-type vehicle-mounted well repair automation operation device further includes a column 18 fixed on the derrick 1, and a guide groove 19 is provided therein; a roller assembly that can be lifted along the guide groove 19 is provided in the guide groove 19. The roller assembly includes a roller 51 that can be lifted along the guide groove 19, and a roller shaft 52 is provided at the center of the roller 51; the lifting cylinder 7 is fixed at the bottom of the column 18, and the piston part of the lifting cylinder 7 is connected to the roller shaft 52; a fixing plate 8 is provided on the roller assembly. A roller bearing 53, a pressing plate 54 and a spacer sleeve 55 are further provided in the roller 51.

[0040] The above embodiments are considered from an illustrative rather than a limiting perspective. The scope of the present invention is determined by the scope of the claims, rather than the above description, and should be interpreted as including all differences within the equivalent scope of the present invention. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present invention; or without improvement, directly applying the above concept and technical solution of the present invention to other occasions, they are all within the protection scope of the present invention.

Claims

1. An automatically-operated well workover equipment that can be flipped and is carried along with the vehicle, characterized in that: It includes a derrick and an operating platform. At the center position of the operating platform, there is a slip for clamping the pipe string, and the slip is arranged on the flange of the pipe opening on the operating platform; on the front and back sides of the center position of the operating platform, there is respectively a guide rail, and a hydraulic tong mechanism that can slide along it is arranged on the guide rail; the hydraulic tong mechanism includes a hydraulic tong frame and a hydraulic tong arranged on the hydraulic tong frame; below the derrick, there is an inner tong support seat, a lifting oil cylinder is fixed on the left side of the derrick, a fixed plate that can move up and down with it is arranged on the piston part of the lifting oil cylinder, the right side of the operating platform is hinged on the fixed plate, and a tilting oil cylinder is also arranged on the fixed plate. The cylinder barrel of the tilting oil cylinder is hinged on the fixed plate, and the piston part of the tilting oil cylinder is connected to the lower part of the operating platform; the inner tong support seat is provided with an installation groove adapted to the hydraulic tong mechanism; the hydraulic tong mechanism can be vertically flipped with the operating platform, and when the hydraulic tong mechanism runs to the end of the guide rail, it is placed on the installation groove. Pipe string centering mechanisms are symmetrically arranged on the front and back sides of the center position of the operating platform. On the outer side wall of one of the two guide rails, there is a rack, and a gear adapted to it is meshed on the rack; on the outer side wall of the bottom of the hydraulic tong frame, there is a hydraulic motor, and the gear is arranged on the rotating shaft of the hydraulic motor. When the operating platform is placed horizontally, the end of the guide rail extends above the installation groove. It includes a well support seat for setting on the operating platform. A rotatable well support is hinged on the well support seat. On the well support, there are grippers for clamping the tubing string. On the well support seat, there is also a three-position air cylinder. The cylinder barrel of the three-position air cylinder is hinged on the well support seat, and the top of its piston part is connected to the well support; the well support is a square frame, and its bottom border is hinged on the well support seat; there are two three-position air cylinders, and the tops of the piston parts of the two three-position air cylinders are respectively hinged to the front and back borders of the well support; the grippers are arranged on the top border of the well support. The centering mechanism includes a centering fixed seat. On the centering fixed seat, two groups of centering mechanisms are symmetrically arranged relative to the wellhead position. Each centering mechanism includes an opposite side push air cylinder, a rotating seat, a guiding seat, a semi-tube positioning sleeve, an adjusting plate, and a side swing air cylinder; the bottom of the rotating seat is hinged on the centering fixed seat; the bottom of the cylinder barrel of the side swing air cylinder is hinged on the centering fixed seat, and its piston part is hinged on the right side wall of the rotating seat; the guiding seat is telescopically arranged at the top of the inner cavity of the rotating seat; the cylinder barrel of the side push air cylinder is fixed on the left side wall of the rotating seat, and its piston part is hinged on the left side wall of the guiding seat; the adjusting plate is arranged on the top of the guiding seat; the semi-tube positioning sleeve is arranged on the adjusting plate and is used for clamping the tubing string; when the semi-tube positioning sleeves in the two groups of centering mechanisms are butted, they cooperate to clamp the tubing string.

2. The flip-over well workover automation equipment according to claim 1, characterized in that: A rotatable well support mechanism is arranged on the operating platform.

3. The flip-over well workover automation equipment according to claim 1 or 2, characterized in that: One tilting oil cylinder is respectively arranged below the front and back sides of the operating platform.

4. The flip-over well workover automation equipment according to claim 3, characterized in that: One lifting oil cylinder is respectively arranged at the front and back sides of the end of the operating platform.

5. The flipable well workover automation equipment according to claim 4, characterized in that: A liquid accumulation tank is arranged at the center position of the operating platform. The pipe opening of the operating platform is arranged at the center of the liquid accumulation tank, and a liquid discharge port is arranged at the bottom of the liquid accumulation tank.

6. The flip-over well workover automated operation equipment according to claim 5, characterized in that: It also includes a column fixed on the derrick, and a guiding groove is arranged inside it; a roller assembly that can move up and down along it is arranged in the guiding groove. The roller assembly includes a roller that can move up and down along the guiding groove, and a roller shaft is arranged at the center of the roller; the lifting oil cylinder is fixed at the bottom of the column, and the piston part of the lifting oil cylinder is connected to the roller shaft; the fixed plate is arranged on the roller assembly.

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