CN212359661U

CN212359661U - Portable vehicle-mounted minor repair well workover equipment

Info

Publication number: CN212359661U
Application number: CN202021887386.XU
Authority: CN
Inventors: 李勇彬; 陈英达; 蒋杰; 黄晓军; 周丽萍; 何晓冬
Original assignee: Huangshan Huaneng Petrochemical Machinery Co ltd
Current assignee: Huangshan Huaneng Petrochemical Machinery Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-01-15
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a portable type vehicle-mounted minor repair workover treatment equipment, which comprises a derrick mechanism and a hydraulic clamp mechanism which can move a left and right device on the derrick mechanism, wherein the left side of the derrick mechanism is provided with a reversible operation platform, a detachable rotating platform is arranged in the operation platform, and a flange used for being connected with a wellhead device is arranged on the rotating platform; a group of first bolt holes are formed in the rotary table, a group of second bolt holes corresponding to the first bolt holes in a one-to-one mode are formed in the working platform, and bolts used for detachably mounting the rotary table on the working platform are arranged in the first bolt holes and the second bolt holes; and a flange through hole matched with the flange is also formed in the bottom of the operation platform. The utility model discloses can effectively solve current workover operation equipment, it is inconvenient to have to remove to tear open, needs to be equipped with the crane hoist and mount to handling needs dismouting liquid gas electric pipeline, can't adapt to the problem that current minor repair operation required.

Description

Portable vehicle-mounted minor repair well workover equipment

Technical Field

The utility model relates to a portable type vehicle-mounted minor repair workover treatment equipment.

Background

At present, most workover rig operations are mainly used for the lifting and lowering procedures of equipment such as oil pipes, and other procedures such as the procedure of transferring the oil pipes from a pipe bent frame to an elevator need to be finished by manpower; there is a problem that the well mouth is very inconvenient to center.

Meanwhile, the problems that the moving and dismantling are inconvenient, a crane is required for hoisting, the liquid, gas and electricity pipelines are required to be dismounted in the moving process, and the requirements of the existing minor repair operation cannot be met are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable type vehicle-mounted minor repair workover treatment equipment solves current workover treatment equipment, and it is inconvenient to have to remove to tear open, needs to be equipped with the crane hoist and mount to handling needs dismouting liquid gas electric pipeline, can't adapt to the problem that current minor repair operation required.

The utility model provides a technical scheme that its technical problem adopted is: a portable type vehicle-mounted minor repair well workover treatment device comprises a derrick mechanism and a hydraulic clamp mechanism which can move left and right and is arranged on the derrick mechanism, wherein a reversible operation platform is arranged on the left side of the derrick mechanism, a detachable rotating platform is arranged in the operation platform, and a flange used for being connected with a wellhead device is arranged on the rotating platform; a group of first bolt holes are formed in the rotary table, a group of second bolt holes corresponding to the first bolt holes in a one-to-one mode are formed in the working platform, and bolts used for detachably mounting the rotary table on the working platform are arranged in the first bolt holes and the second bolt holes; the bottom of the operation platform is also provided with a flange through hole matched with the flange; the aperture of the flange through hole is larger than the outer diameter of the flange, and an adjusting gap is arranged between the hole wall of the flange through hole and the outer side wall of the flange; the rotating table is also provided with a well supporting mechanism, a slip and a pipe column centering mechanism which can rotate along with the rotating table; a liquid outlet is formed in the bottom of the working platform; when the rotary table works, the bolts are removed, and the rotary table is connected with the wellhead device through the flange via holes.

Furthermore, the derrick mechanism comprises a derrick seat, a derrick supporting column is arranged on the derrick seat, a derrick platform is arranged on the derrick supporting column, a derrick is arranged on the derrick platform, and a derrick inner cavity used for arranging the hydraulic clamp mechanism is formed in the middle of the derrick.

Furthermore, the hydraulic tong mechanism comprises a hydraulic tong base arranged on the derrick platform, a lifting support which can be lifted is arranged above the hydraulic tong base, a lifting oil cylinder is arranged on the lifting support, a cylinder barrel of the lifting oil cylinder is fixed on the lifting support, and the top end of a piston part of the lifting oil cylinder is hinged on the hydraulic tong base; the side wall of the front side of the lifting support is provided with a connecting rod mechanism and a front push oil cylinder for pushing the connecting rod mechanism to swing left and right; the top end of the connecting rod mechanism, which is far away from the lifting support, is provided with a clamp support plate which can move left and right along with the lifting support; the cylinder barrel of the forward oil cylinder is fixed on the front side wall of the lifting support, and the piston part of the forward oil cylinder is connected with the connecting rod mechanism; the clamp support plate is provided with an adjusting plate; the portal frame is arranged on the adjusting plate, a group of support shafts penetrate through a beam at the top of the portal frame, support springs are sleeved on the support shafts, spring pressing plates are arranged at the upper parts of the support shafts, and the support springs are arranged between the spring pressing plates and a top frame plate of the portal frame; the bottom of the supporting shaft is provided with a hydraulic clamp.

Further, the connecting rod mechanism comprises two connecting rods and two auxiliary rods, the front side and the rear side of the lifting support are respectively and symmetrically provided with one connecting rod and one auxiliary rod, and the connecting rods and the auxiliary rods which are positioned on the same side of the lifting support are arranged in parallel; the bottoms of the connecting rod and the auxiliary rod are hinged on the lifting support, and the top of the connecting rod and the auxiliary rod is connected with the clamp support plate; the piston part of the forward push oil cylinder is connected with the middle part of the connecting rod and is used for pushing the connecting rod mechanism to move left and right.

Furthermore, a lifting guide rail is further arranged on the base of the hydraulic pliers, the lifting support is provided with a first roller assembly matched with the lifting guide rail, the first roller assembly comprises a roller capable of lifting along the lifting guide rail, and a roller shaft fixedly connected with the lifting support is arranged in the center of the roller.

The device comprises a well support used for being arranged on an operation platform, wherein a reversible well support is hinged to the well support, a gripper used for clamping a tubing string is arranged on the well support, a three-position air cylinder is further arranged on the well support, a cylinder barrel of the three-position air cylinder is hinged to the well support, and the top end of a piston part of the three-position air cylinder is connected with the well support.

Furthermore, the well handrail is a square frame, and the bottom frame of the well handrail is hinged on the well handrail seat; the top ends of the piston parts of the two three-position cylinders are respectively hinged with the front frame and the rear frame of the well support; the tongs are arranged on the top frame of the well handrail.

Furthermore, the pipe column centering mechanism comprises a centering fixed seat, two groups of centering mechanisms are symmetrically arranged on the centering fixed seat relative to the position of a wellhead, and each pair of centering mechanisms comprises a contralateral pushing cylinder, a rotating seat, a guide seat, a half pipe positioning sleeve, an adjusting plate and a lateral swinging cylinder; the bottom of the rotating seat is hinged on the centering fixed seat; the bottom of the cylinder barrel of the side-swinging cylinder is hinged on the centering fixed seat, and the piston part of the side-swinging cylinder is hinged on the right side wall of the rotating seat; the guide seat is telescopically arranged at the top of the inner cavity of the rotating seat; the cylinder barrel of the side-push cylinder is fixed on the left side wall of the rotary seat, and the piston part of the side-push cylinder is hinged on the left side wall of the guide seat; the adjusting plate is arranged on the top of the guide seat; the half-pipe positioning sleeve is arranged on the adjusting plate and used for clamping the oil pipe column; and when the half-pipe positioning sleeves in the two groups of centering mechanisms are butted, the half-pipe positioning sleeves are matched with each other to clamp the oil pipe column.

Furthermore, the portable vehicle-mounted minor repair well workover treatment equipment also comprises a stand column, a transition plate, a turnover oil cylinder, a lifting oil cylinder, a second roller assembly and a valve; the structure of the second roller assembly is the same as that of the first roller assembly; the upright post is fixed on the derrick mechanism and is internally provided with a guide groove; the lifting oil cylinder is fixed at the bottom of the upright post, and a piston part of the lifting oil cylinder is connected with a roller shaft of the second roller assembly; the roller of the second roller component is arranged in the guide groove in a lifting way; the transition plate is arranged on the second roller assembly; a cylinder barrel of the turnover oil cylinder and the operation platform are hinged on the side wall of the transition plate, and a piston part of the turnover oil cylinder is connected with the bottom of the operation platform and used for realizing the turnover of the operation platform; the valve is arranged on a liquid outlet of the operation platform.

Furthermore, a liquid accumulation groove with a trapezoidal section is formed in the operation platform, a bolt assembling circular table protruding out of the bottom surface is arranged at the center of the bottom of the liquid accumulation groove, and a flange through hole is formed in the center of the bolt assembling circular table; the second bolt hole is arranged on the upper end surface of the bolt assembling circular truncated cone, the rotating table is arranged in the liquid collecting tank, and the second bolt hole is higher than the liquid outlet; the rotating platform comprises a transverse rotating frame, a longitudinal rotating frame and flange assembling holes, the transverse rotating frame and the longitudinal rotating frame are mutually perpendicular and intersect in the flange assembling holes, the two well supporting seats are symmetrically arranged on the frames at the front end and the rear end of the transverse rotating frame, and the two centering fixing seats are symmetrically arranged on the frames at the front end and the rear end of the longitudinal rotating frame.

The utility model has the advantages that: the operation platform that can overturn, the vehicle-mounted transport of being convenient for reduces the space and accounts for than, sets up on the revolving stage and can rotate well right mechanism, slips and tubular column centering mechanism along with it, and the hydraulic tong mechanism in the cooperation derrick mechanism through this portable type vehicle-mounted minor repair well workover operation equipment, can realize all needs functions of minor repair operation, and need not now to go on coming now through a plurality of solitary equipment, has reduced work load, has improved work efficiency. The rotary table is detachably fixed on the operation platform through bolts, and is fixed on the operation platform through bolts when the operation platform is required to be turned over; when the operation platform is laid flat and the layout needs to be adjusted, the bolts are removed, and the hoisting rotating platform is rotated to the required position; when the azimuth is properly adjusted, a flange of the device on the rotating table is connected with a wellhead device, so that the next minor repair operation is facilitated; above-mentioned structural style for the position adjustment of revolving stage is more convenient, and the transport can be realized along with operation platform together to the transport simultaneously, improves the portability of transport. The small workover rig effectively solves the problems that the existing small workover rig is simple in structure, needs a plurality of independent rigs, such as an independent pipe column centering device, a well supporting mechanism, a hydraulic clamp mechanism, an operation platform, a rotating platform and a derrick mechanism, and is integrated on site during workover operation, so that the workload is increased, the work efficiency is reduced, and the carrying is very inconvenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic structural diagram of the present invention without the derrick mechanism and the hydraulic tong mechanism.

Fig. 3 is the side view structure diagram of the present invention, in which the derrick mechanism and the hydraulic tong mechanism are omitted.

FIG. 4 is a schematic view showing a positional relationship between the turntable and the work platform.

Fig. 5 is a schematic structural diagram of the work platform.

FIG. 6 is a schematic view of the turntable.

Fig. 7 is a schematic structural diagram of the well supporting mechanism.

Fig. 8 is a schematic structural view of the pipe column centering mechanism.

Fig. 9 is a schematic structural view of the hydraulic tong mechanism.

Fig. 10 is a schematic view of the hydraulic tong mechanism at another angle.

Fig. 11 is a schematic structural view of the first and second roller assemblies.

Detailed Description

In the embodiment, as shown in fig. 1 to 11, a portable onboard minor repair workover treatment device comprises a derrick mechanism 1, a hydraulic tong mechanism 2 which can move left and right and is arranged on the derrick mechanism 1, a reversible operation platform 3 is arranged on the left side of the derrick mechanism 1, a detachable rotating platform 4 is arranged in the operation platform 3, and a flange 5 for connecting with a wellhead device is arranged on the rotating platform 4; a group of first bolt holes 6 are formed in the rotary table 4, a group of second bolt holes 7 corresponding to the first bolt holes 6 in a one-to-one mode are formed in the working platform 3, and bolts used for detachably mounting the rotary table 4 on the working platform 3 are arranged in the first bolt holes 6 and the second bolt holes 7; the bottom of the operation platform 3 is also provided with a flange through hole 8 matched with the flange 5; the aperture of the flange through hole 8 is larger than the outer diameter of the flange 5, and an adjusting gap is arranged between the hole wall of the flange through hole 8 and the outer side wall of the flange 5; the rotating table 4 is also provided with a well supporting mechanism 9, a slip 10 and a pipe column centering mechanism 11 which can rotate along with the rotating table; a liquid discharge port 12 is formed at the bottom of the work platform 3.

When the vehicle is carried, the rotating platform 4 is arranged on the operation platform 3 through the bolt fixing device, so that the vehicle-mounted transportation is facilitated. During operation, the bolts are removed, the rotary table 4 is connected with the wellhead device through the flange through holes by the flanges 5, and the position of the rotary table 4 relative to the operation platform 3 can be adjusted due to the existence of the adjusting gap.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The concept of the present invention is further explained below with reference to fig. 1 to 11.

A portable type vehicle-mounted minor repair well workover treatment device comprises a derrick mechanism 1, a hydraulic clamp mechanism 2 which can move left and right and is arranged on the derrick mechanism 1, a turnover operation platform 3 is arranged on the left side of the derrick mechanism 1, a detachable rotating platform 4 is arranged in the operation platform 3, and a flange 5 used for being connected with a wellhead device is arranged on the rotating platform 4; a group of first bolt holes 6 are formed in the rotary table 4, a group of second bolt holes 7 corresponding to the first bolt holes 6 in a one-to-one mode are formed in the working platform 3, and bolts used for detachably mounting the rotary table 4 on the working platform 3 are arranged in the first bolt holes 6 and the second bolt holes 7; the bottom of the operation platform 3 is also provided with a flange through hole 8 matched with the flange 5; the aperture of the flange through hole 8 is larger than the outer diameter of the flange 5, and an adjusting gap is arranged between the hole wall of the flange through hole 8 and the outer side wall of the flange 5; the rotating table 4 is also provided with a well supporting mechanism 9, a slip 10 and a pipe column centering mechanism 11 which can rotate along with the rotating table; a liquid outlet 12 is arranged at the bottom of the working platform 3; when the wellhead device works, the rotary table 4 is detached through the bolt fixing device on the working platform 3, and the rotary table 4 is connected with the wellhead device through the flange 5 and the flange through hole 8.

The derrick mechanism 1 comprises a derrick seat 21, a derrick support 22 is arranged on the derrick seat 21, a derrick platform 23 is arranged on the derrick support 22, a derrick 24 is arranged on the derrick platform 23, and a derrick inner cavity for arranging the hydraulic clamp mechanism 2 is formed in the middle of the derrick.

The hydraulic tong mechanism 2 comprises a hydraulic tong base 61 arranged on a derrick platform, a lifting support 62 capable of lifting is arranged above the hydraulic tong base 61, a lifting oil cylinder 63 is arranged on the lifting support 62, a cylinder barrel of the lifting oil cylinder 63 is fixed on the lifting support 62, and the top end of a piston part of the lifting oil cylinder 63 is hinged on the hydraulic tong base 61; a link mechanism and a front push oil cylinder 64 for pushing the link mechanism to swing left and right are arranged on the side wall of the front side of the lifting support 62; the top end of the connecting rod mechanism, which is far away from the lifting support 62, is provided with a clamp support plate 65 which can move left and right along with the lifting support; the cylinder barrel of the forward push oil cylinder 64 is fixed on the front side wall of the lifting support 62, and the piston part of the forward push oil cylinder is connected with a connecting rod mechanism; the forceps support plate 65 is provided with an adjusting plate 66 with an adjustable fixing position, the adjusting plate 66 is provided with a group of kidney-shaped grooves 603 for adjusting the fixing position, and the forceps support plate 65 is correspondingly provided with a group of kidney-shaped grooves. The purpose of adjusting the position of the forceps holder plate 65 is achieved by matching the waist-shaped grooves 603 at different positions on the adjusting plate 66 with the waist-shaped grooves 603 on the forceps holder plate 65. A portal frame 67 is arranged on the adjusting plate 66, a group of support shafts 68 penetrate through a cross beam at the top of the portal frame 67, support springs 69 are sleeved on the support shafts 68, spring pressing plates 601 are arranged at the upper parts of the support shafts 68, and the support springs 69 are arranged between the spring pressing plates 601 and a top frame plate of the portal frame 67; the hydraulic clamp 602 is arranged at the bottom of the supporting shaft 68.

The connecting rod mechanism comprises two connecting rods 604 and two auxiliary rods 605, the front side and the rear side of the lifting support 62 are respectively and symmetrically provided with one connecting rod 604 and one auxiliary rod 605, and the connecting rod 604 and the auxiliary rod 605 which are positioned at the same side of the lifting support 62 are arranged in parallel; the bottom parts of the connecting rod 604 and the auxiliary rod 605 are hinged on the lifting support 62, and the top parts are connected with the clamp support plate 65; the piston part of the forward push cylinder 64 is connected with the middle part of the connecting rod 604 and is used for pushing the connecting rod mechanism to move left and right. A connecting rod shaft 606 is arranged between the two connecting rods 604, and the piston part of the forward push oil cylinder 64 is hinged with the end part of the connecting rod shaft 606 and used for pushing the connecting rod mechanism to move. An auxiliary rod shaft 607 is arranged between the two auxiliary rods 605.

The hydraulic tong base 61 is further provided with a lifting guide rail 608, the lifting support 62 is provided with a first roller assembly 608 matched with the lifting guide rail 608, the first roller assembly 609 comprises a roller 611 capable of lifting along the lifting guide rail 608, and the center of the roller 611 is provided with a roller shaft 612 fixedly connected with the lifting support 62. The first roller assembly 609 further includes a roller bearing 613 disposed within the roller 611, a pressure plate 614, and a spacer 615.

The well supporting mechanism 9 comprises a well supporting seat arranged on the operation platform 3, a reversible well supporting 31 is hinged on the well supporting seat, a gripping handle 32 used for clamping a tubing string is arranged on the well supporting 31, a three-position air cylinder 33 is further arranged on the well supporting seat, a cylinder barrel of the three-position air cylinder 33 is hinged on the well supporting seat, and the top end of a piston part of the three-position air cylinder is connected with the well supporting 31.

The well handrail 31 is a square frame, and the bottom frame of the well handrail is hinged on the well handrail seat; the two three-position cylinders 33 are provided, and the top ends of the piston parts of the two three-position cylinders 33 are respectively hinged with the front frame and the rear frame of the well support 31; the gripper 32 is arranged on the top rim of the well rest 31.

The well is held up the seat and is held up a riser 34 and well and hold up a bottom frame 35 including the well, and the vertical setting of well is held up a riser 34 and is held up a bottom frame 35 on the well, and the bottom frame that the well was held up 31 articulates on well holds up a riser 34, and the cylinder of two tribit cylinders 3 articulates on well holds up a bottom frame 35, and well is held up, well and is held up a riser 34 and well and hold up a bottom frame 35 and be provided with and be used for articulated hinge ear 36. The gripper 32 may be removably mounted to the top rim of the well curb 31.

The pipe column centering mechanism 11 comprises a centering fixed seat 41, two groups of centering mechanisms are symmetrically arranged on the centering fixed seat 41 relative to the wellhead position, and each pair of centering mechanisms comprises an opposite side pushing cylinder 42, a rotating seat 43, a guide seat 44, a half pipe positioning sleeve 45, an adjusting plate 46 and a side swinging cylinder 47; the bottom of the rotating seat 43 is hinged on the centering fixed seat 41; the bottom of the cylinder barrel of the side swing cylinder 7 is hinged on the centering fixed seat 41, and the piston part of the side swing cylinder is hinged on the right side wall of the rotating seat 43; the guide seat 44 is telescopically arranged at the top of the inner cavity of the rotating seat 43; the cylinder barrel of the side-push cylinder 42 is fixed on the left side wall of the rotating seat 43, and the piston part of the side-push cylinder is hinged on the left side wall of the guide seat 44; an adjusting plate 46 is arranged on the top of the guide seat 44; the half-pipe positioning sleeve 45 is arranged on the adjusting plate 46 and used for clamping the oil pipe column; and when the half-pipe positioning sleeves 45 in the two groups of centering mechanisms are butted, the oil pipe columns are clamped in a matching manner. The right side wall of the rotating seat 43 is provided with a right side wall hinge lug 49, the left side wall of the guide seat 44 is provided with a left side wall hinge lug 48, the piston part of the side swing air cylinder 7 is hinged with the right side wall hinge lug 49, and the piston part of the side push air cylinder 42 is hinged with the left side wall hinge lug 48.

The centering fixing seat 41 may be one, or may further be: the centering fixing seat 41 is provided with one corresponding to each group of pipe column centering mechanisms, and a lateral swing limiting plate 14 is arranged on the left side of the bottom of the centering fixing seat 41, which is located on the rotating seat 3.

The portable vehicle-mounted minor workover treatment equipment also comprises a stand column 51, a transition plate 52, a turnover oil cylinder 54, a lifting oil cylinder 55, a second roller assembly 501 and a valve 56; the structure of the second roller assembly 501 is the same as that of the first roller assembly 609; the upright post 51 is fixed on the derrick mechanism 1 and is provided with a guide groove 57 therein; the lifting oil cylinder 55 is fixed at the bottom of the upright post 51, and the piston part of the lifting oil cylinder 55 is connected with the roller shaft 612 of the second roller assembly 501; the roller 611 of the second roller assembly 501 is arranged in the guide groove 57 in a lifting manner; the transition plate 52 is arranged on the second roller assembly 501; the cylinder barrel of the turnover oil cylinder 54 and the operation platform 3 are hinged on the side wall of the transition plate 52, and the piston part of the turnover oil cylinder 54 is connected with the bottom of the operation platform 3 and is used for realizing the turnover of the operation platform 3; the valve 56 is provided on the drain port 12 of the work platform 3.

A liquid accumulation groove 71 with a trapezoidal section is formed in the operation platform 3, a bolt assembling circular table 72 protruding out of the bottom surface is arranged in the center of the bottom of the liquid accumulation groove 71, and a flange through hole 8 is formed in the center of the bolt assembling circular table 72; the second bolt hole 7 is arranged on the upper end surface of the bolt assembling circular truncated cone 72, the rotary table 4 is arranged in the liquid accumulating groove 71 and is higher than the liquid outlet 12; the rotating platform 4 comprises a transverse rotating frame 73, a longitudinal rotating frame 74 and flange assembling holes 75, wherein the transverse rotating frame 73 and the longitudinal rotating frame 74 are mutually perpendicular and intersect in the flange assembling holes 75, two well buttresses are symmetrically arranged on frames at the front end and the rear end of the transverse rotating frame 73, and two centering fixing seats are symmetrically arranged on frames at the front end and the rear end of the longitudinal rotating frame 74.

The above embodiments are not to be considered from a limiting point of view, but rather from an illustrative point of view. The scope of the present invention is defined by the scope of the claims, rather than the description, and all differences within the scope and equivalence thereof should be construed as being included in the present invention. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. The utility model provides a portable type vehicle-mounted minor repair workover treatment equipment which characterized in that: the derrick comprises a derrick mechanism and a hydraulic tong mechanism which can move left and right and is arranged on the derrick mechanism, wherein a turnover operation platform is arranged on the left side of the derrick mechanism, a detachable rotating platform is arranged in the operation platform, and a flange used for being connected with a wellhead device is arranged on the rotating platform; a group of first bolt holes are formed in the rotary table, a group of second bolt holes corresponding to the first bolt holes in a one-to-one mode are formed in the working platform, and bolts used for detachably mounting the rotary table on the working platform are arranged in the first bolt holes and the second bolt holes; the bottom of the operation platform is also provided with a flange through hole matched with the flange; the aperture of the flange through hole is larger than the outer diameter of the flange, and an adjusting gap is arranged between the hole wall of the flange through hole and the outer side wall of the flange.

2. The portable cart-based minor repair well servicing apparatus of claim 1, wherein: the rotating table is also provided with a well supporting mechanism, a slip and a pipe column centering mechanism which can rotate along with the rotating table; the derrick mechanism comprises a derrick seat, a derrick support is arranged on the derrick seat, a derrick platform is arranged on the derrick support, a derrick is arranged on the derrick platform, and a derrick inner cavity for arranging the hydraulic clamp mechanism is formed in the middle of the derrick.

3. The portable cart-based minor repair well servicing apparatus of claim 2, wherein: the hydraulic tong mechanism comprises a hydraulic tong base arranged on the derrick platform, a lifting support capable of lifting is arranged above the hydraulic tong base, a lifting oil cylinder is arranged on the lifting support, a cylinder barrel of the lifting oil cylinder is fixed on the lifting support, and the top end of a piston part of the lifting oil cylinder is hinged on the hydraulic tong base; the side wall of the front side of the lifting support is provided with a connecting rod mechanism and a front push oil cylinder for pushing the connecting rod mechanism to swing left and right; the top end of the connecting rod mechanism, which is far away from the lifting support, is provided with a clamp support plate which can move left and right along with the lifting support; the cylinder barrel of the forward oil cylinder is fixed on the front side wall of the lifting support, and the piston part of the forward oil cylinder is connected with the connecting rod mechanism; the clamp support plate is provided with an adjusting plate; the portal frame is arranged on the adjusting plate, a group of support shafts penetrate through a beam at the top of the portal frame, support springs are sleeved on the support shafts, spring pressing plates are arranged at the upper parts of the support shafts, and the support springs are arranged between the spring pressing plates and a top frame plate of the portal frame; the bottom of the supporting shaft is provided with a hydraulic clamp.

4. The portable cart-based minor repair well working apparatus of claim 3, wherein: the connecting rod mechanism comprises two connecting rods and two auxiliary rods, the front side and the rear side of the lifting support are respectively and symmetrically provided with one connecting rod and one auxiliary rod, and the connecting rods and the auxiliary rods which are positioned on the same side of the lifting support are arranged in parallel; the bottoms of the connecting rod and the auxiliary rod are hinged on the lifting support, and the top of the connecting rod and the auxiliary rod is connected with the clamp support plate; a connecting rod shaft is arranged between the two connecting rods, a piston part of the forward pushing oil cylinder is hinged with the end part of the connecting rod shaft and used for pushing the connecting rod mechanism to move, and an auxiliary rod shaft is arranged between the two auxiliary rods.

5. A portable on-board minor well servicing apparatus according to claim 3 or 4, wherein: the hydraulic tong comprises a hydraulic tong base, and is characterized in that a lifting guide rail is further arranged on the hydraulic tong base, a lifting support is provided with a first roller assembly matched with the lifting guide rail, the first roller assembly comprises a roller capable of lifting along the lifting guide rail, and a roller shaft fixedly connected with the lifting support is arranged at the center of the roller.

6. The portable cart-based minor repair well working apparatus of claim 5, wherein: the device comprises a well support seat arranged on an operation platform, wherein a reversible well support is hinged to the well support seat, a gripper used for clamping a tubing string is arranged on the well support, a three-position air cylinder is further arranged on the well support seat, a cylinder barrel of the three-position air cylinder is hinged to the well support seat, and the top end of a piston part of the three-position air cylinder is connected with the well support.

7. The portable cart-based minor repair well servicing apparatus of claim 6, wherein: the well handrail is a square frame, and the bottom frame of the well handrail is hinged on the well handrail seat; the top ends of the piston parts of the two three-position cylinders are respectively hinged with the front frame and the rear frame of the well support; the tongs are arranged on the top frame of the well handrail.

8. The portable cart-based minor repair well servicing apparatus of claim 7, wherein: the tubular column centering mechanism comprises a centering fixed seat, two groups of centering mechanisms are symmetrically arranged on the centering fixed seat relative to the position of a wellhead, and each pair of centering mechanisms comprises a contralateral push cylinder, a rotating seat, a guide seat, a half-pipe positioning sleeve, an adjusting plate and a lateral swing cylinder; the bottom of the rotating seat is hinged on the centering fixed seat; the bottom of the cylinder barrel of the side-swinging cylinder is hinged on the centering fixed seat, and the piston part of the side-swinging cylinder is hinged on the right side wall of the rotating seat; the guide seat is telescopically arranged at the top of the inner cavity of the rotating seat; the cylinder barrel of the side-push cylinder is fixed on the left side wall of the rotary seat, and the piston part of the side-push cylinder is hinged on the left side wall of the guide seat; the adjusting plate is arranged on the top of the guide seat; the half-pipe positioning sleeve is arranged on the adjusting plate and used for clamping the oil pipe column; and when the half-pipe positioning sleeves in the two groups of centering mechanisms are butted, the half-pipe positioning sleeves are matched with each other to clamp the oil pipe column.

9. The portable cart-based minor repair well servicing apparatus of claim 8, wherein: the device also comprises a stand column, a transition plate, a turnover oil cylinder, a lifting oil cylinder and a second roller assembly; the structure of the second roller assembly is the same as that of the first roller assembly; the upright post is fixed on the derrick mechanism and is internally provided with a guide groove; the lifting oil cylinder is fixed at the bottom of the upright post, and a piston part of the lifting oil cylinder is connected with a roller shaft of the second roller assembly; the roller of the second roller component is arranged in the guide groove in a lifting way; the transition plate is arranged on the second roller assembly; the cylinder barrel of the turnover oil cylinder and the operation platform are hinged to the side wall of the transition plate, and the piston part of the turnover oil cylinder is connected with the bottom of the operation platform and used for turning over the operation platform.

10. The portable cart-based minor repair well servicing apparatus of claim 9, wherein: an accumulated liquid groove with a trapezoidal section is formed in the operating platform, a liquid outlet is formed in the bottom of the accumulated liquid groove, and a valve is arranged on the liquid outlet; the center of the bottom of the liquid accumulation groove is provided with a bolt assembling circular table protruding out of the bottom surface, and a flange through hole is formed in the center of the bolt assembling circular table; the second bolt hole is arranged on the upper end surface of the bolt assembling circular truncated cone, the rotating table is arranged in the liquid collecting tank, and the second bolt hole is higher than the liquid outlet; the rotating platform comprises a transverse rotating frame, a longitudinal rotating frame and flange assembling holes, the transverse rotating frame and the longitudinal rotating frame are mutually perpendicular and intersect in the flange assembling holes, the two well supporting seats are symmetrically arranged on the frames at the front end and the rear end of the transverse rotating frame, and the two centering fixing seats are symmetrically arranged on the frames at the front end and the rear end of the longitudinal rotating frame.