CN115263227B - Three-level suspension ultra-high pressure casing head of dabber formula and assembly quality thereof - Google Patents
Three-level suspension ultra-high pressure casing head of dabber formula and assembly quality thereof Download PDFInfo
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- CN115263227B CN115263227B CN202211033734.0A CN202211033734A CN115263227B CN 115263227 B CN115263227 B CN 115263227B CN 202211033734 A CN202211033734 A CN 202211033734A CN 115263227 B CN115263227 B CN 115263227B
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- 239000000725 suspension Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 230000008093 supporting effect Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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Abstract
The invention discloses a mandrel type three-stage suspension ultrahigh-pressure casing head and an assembly device thereof, belonging to the field of petroleum drilling and production; the assembling device for the mandrel type three-stage suspension ultrahigh-pressure casing head is characterized in that a first carrying mechanism, a second carrying mechanism and a third carrying mechanism are arranged, and a clamping assembly is respectively arranged in the carrying mechanism, the second carrying mechanism and the third carrying mechanism to carry the first casing head, the second casing head and the third casing head respectively, so that the casing head is assembled, and compared with the prior art, the manual carrying and assembling are greatly saved; through set up the cardboard in the clamping assembly, realize the location to the casing head to set up the inserted bar, guarantee to centre gripping earlier and fix a position afterwards, avoid the cardboard atress to warp.
Description
Technical Field
The invention belongs to the field of petroleum drilling and production, and particularly relates to a mandrel type three-stage suspension ultrahigh-pressure casing head and an assembly device thereof.
Background
A complete set of wellhead device for oil extraction mainly comprises three parts of a casing head, a tubing head and a christmas tree, and a blowout preventer is arranged on the casing head to form the wellhead device for drilling when drilling. The casing head is used for connecting a surface casing, and a plurality of layers of casings in a well are hung through a casing hanger, a sealed annular space is formed by a main seal, an auxiliary seal and a flange backing ring of the casing hanger, and the sealing performance of the main seal, the auxiliary seal and the flange backing ring is detected through a pressure test hole on a wellhead device, so that the safety use of the wellhead device is ensured.
The mandrel type three-stage suspension ultrahigh-pressure casing head in the prior art is shown in fig. 1, comprises a first casing head, a second casing head and a third casing head from bottom to top, and is mutually connected and fixed through bolts; the first casing head, the second casing head and the third casing head are respectively provided with a first branch pipe, a second branch pipe and a third branch pipe which are symmetrically distributed; at present, when the mandrel type three-stage suspension ultrahigh-pressure casing head is assembled, the mandrel type three-stage suspension ultrahigh-pressure casing head is manually moved to be aligned and assembled, the first casing head, the second casing head and the third casing head are heavy, and time and labor are wasted in manual assembly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a mandrel type three-stage suspension ultrahigh-pressure casing head and an assembly device thereof, so that the assembly operation is time-saving and labor-saving.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a dabber type tertiary super high pressure casing head that hangs, outside is provided with the assembly device who is used for assembling the casing head, assembly device includes the base, and the base lower extreme is provided with four universal wheels that take the brake; the base is provided with a mounting frame, and the mounting frame is provided with a first carrying mechanism, a second carrying mechanism and a third carrying mechanism from bottom to top, which are respectively used for carrying the first casing head, the second casing head and the third casing head;
the first carrying mechanism comprises a first lifting plate capable of lifting, and a clamping assembly capable of clamping the first casing head is fixed on the first lifting plate;
the first conveying mechanism comprises a first fixing frame which is in sliding connection with the first mounting plate, a first screw rod which can rotate is arranged on the first mounting plate, and the first screw rod penetrates through the upper end part of the first fixing frame and is in threaded connection with the upper end part of the first fixing frame; the first fixing frame is provided with a second lifting plate capable of lifting, and the second lifting plate is fixedly provided with a clamping assembly which can clamp and fix the second casing head;
be provided with the second mounting panel on the mounting bracket, third transport mechanism is including the second mount that can slide on the second mounting panel, is provided with the third lifter plate that can go up and down on the second mount, is fixed with a clamping assembly on the third lifter plate, can carry out the centre gripping to the third casing head fixedly.
Further, the clamping assemblies comprise connecting plates, and the connecting plates on the three clamping assemblies can be fixed with the first lifting plate, the second lifting plate and the third lifting plate respectively; two V-shaped clamping blocks are connected onto the connecting plate in a sliding manner, a first rack is fixed onto each of the two V-shaped clamping blocks, a fifth motor is fixed onto the connecting plate, a first gear is fixed onto a driving shaft of the fifth motor, and the first gear is located between the two first racks and meshed with the two first racks at the same time;
the V-shaped clamping block is rotationally connected with a rolling shaft which can be contacted with the outer wall of the casing head; one of them V type clamp splice is provided with first fixed plate, is provided with the fixture block that can go up and down on the first fixed plate, is provided with the draw-in groove on the fixture block, and the draw-in groove can be respectively with first branch pipe, second branch pipe and third branch pipe block.
Further, a positioning groove is formed in the clamping block, a plug rod is arranged on the connecting plate, and the plug rod can be inserted into the positioning groove; when the two V-shaped clamping blocks are close to each other and the casing head is tightened, the inserted link just breaks away from the positioning groove.
Further, a fixed pipe is fixed on the connecting plate, the inserted bar is matched with the fixed pipe and is in sliding connection, and the fixed between the inserted bar and the fixed pipe is realized by screwing a screw on the fixed pipe.
Further, a control mechanism is arranged on the mounting frame and comprises a second fixing plate fixed on the mounting frame, a third fixing plate is arranged below the second fixing plate, a plurality of guide rods are arranged at the upper end of the third fixing plate, penetrate through the second fixing plate along the vertical direction and are in sliding connection with the second fixing plate, and clamping rods are fixed on the third fixing plate; the guide rod is sleeved with a first spring, two ends of the first spring are respectively contacted with the second fixing plate and the third fixing plate, the upper end of the guide rod is provided with a round table, the diameter of the round table is larger than that of the guide rod, the round table can be tightly attached to the upper end of the second fixing plate under the elastic action of the first spring, and at the moment, one end of the clamping rod can be clamped with the spiral groove of the first screw rod.
Further, the third lifting plate can be contacted with the third fixing plate in the lifting process and drives the third fixing plate to lift, and when the third lifting plate lifts to the highest point, the clamping rod just breaks away from the first screw rod.
Further, a first supporting mechanism is arranged on the first mounting plate and comprises a first turning rod, one end of the first turning rod is fixed with a first rotating shaft, and the first rotating shaft is rotationally connected with the first mounting plate; one end of the first overturning rod, which is far away from the first rotating shaft, is slidably connected with a first sliding rod, and the first sliding rod is elastically connected with the first overturning rod through a second spring; the tail end of the first sliding rod is provided with a first sphere, and when the first overturning rod is overturned to a vertically downward state, the first sphere is contacted with the ground and provides supporting force for the assembling device;
the first rotating shaft is fixedly provided with a second gear, the upper end of the first fixing frame is fixedly provided with a first connecting rod, the first connecting rod is provided with a second rack, and the second rack can be meshed with the second gear; when the second carrying mechanism is positioned at the casing head assembling station, the second rack can be meshed with the second gear, and the first overturning rod is horizontal; before the second handling mechanism reaches the position right above the second casing head, the second rack is separated from the second gear, and when the second rack is just separated from the second gear, the first overturning rod is overturned to a vertically downward state.
Further, a second supporting mechanism is arranged on the second mounting plate and comprises a second turning rod, one end of the second turning rod is fixedly provided with a second rotating shaft, the other end of the second turning rod is connected with a second sliding rod in a sliding mode, the second rotating shaft is rotationally connected with the second mounting plate, and the second sliding rod is elastically connected with the second turning rod through a third spring; the tail end of the second sliding rod is provided with a second sphere, and when the second overturning rod is overturned to a vertical downward state, the second sphere is contacted with the ground to provide supporting force for the assembling device;
a third gear is fixed on the second rotating shaft, a second connecting rod is fixed at the upper end of the second fixing frame, a third rack is arranged on the second connecting rod, and the third rack can be meshed with the third gear; when the third carrying mechanism is positioned at the casing head assembling station, the third rack can be meshed with the third gear, and the second overturning rod is horizontal; before the third conveying mechanism reaches the position right above the third pipe head, the third rack is separated from the third gear, and when the third rack is just separated from the third gear, the second overturning rod is overturned to a vertically downward state.
The invention has the beneficial effects that:
1. the assembling device is arranged outside the casing head, the first carrying mechanism, the second carrying mechanism and the third carrying mechanism are arranged in the assembling device, and the clamping assemblies are respectively arranged in the carrying mechanism, the second carrying mechanism and the third carrying mechanism to respectively carry the first casing head, the second casing head and the third casing head, so that the casing head is assembled, and compared with the prior art, the manual carrying and assembling are greatly saved;
2. the clamping plate is arranged in the clamping assembly to position the casing head, and the inserting rod is arranged to ensure that the clamping is performed firstly and then the positioning is performed, so that the clamping plate is prevented from being deformed under the force;
3. by arranging the control mechanism, the interference between the third conveying mechanism and the second conveying mechanism caused by misoperation is avoided;
4. by arranging the first supporting mechanism and the second supporting mechanism, the device is prevented from turning on one side when the second casing head and the third casing head are carried respectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall construction of a prior art casing head;
FIG. 2 is a schematic view of an assembly device according to an embodiment of the present invention;
FIG. 3 is a schematic view of another view of the assembly device according to the embodiment of the present invention;
FIG. 4 is a schematic view of a mounting structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first handling mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a second handling mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of a third handling mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic view of a clamping assembly according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a card structure according to an embodiment of the invention;
FIG. 10 is a schematic diagram of a control mechanism according to an embodiment of the present invention;
FIG. 11 is a schematic view of a first support mechanism according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a second supporting mechanism according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The mandrel type three-stage suspension ultrahigh-pressure casing head is assembled by an assembling device arranged outside the mandrel type three-stage suspension ultrahigh-pressure casing head, and as shown in fig. 2-3, the assembling device comprises a base 1, and four universal wheels with brakes are arranged at the lower end of the base 1 so as to facilitate the movement of the assembling device; the upper end of the base 1 is fixed with a mounting frame 2, and the mounting frame 2 is provided with a first carrying mechanism 3, a second carrying mechanism 4 and a third carrying mechanism 5 from bottom to top, which are respectively used for carrying a first casing head, a second casing head and a third casing head; therefore, compared with the prior art, the assembly of the casing head is completed by manual conveying, so that the labor and the assembly efficiency are greatly saved;
as shown in fig. 4 to 7, the mounting frame 2 is provided with a first mounting plate 21 and a second mounting plate 22, the second mounting plate 22 is positioned above the first mounting plate 21, the first carrying mechanism 3 is arranged below the first mounting frame 21, and the second carrying mechanism 4 and the third carrying device 5 are respectively arranged on the first mounting plate 21 and the second mounting plate 22;
the first carrying mechanism 3 comprises a first lifting plate 31 which is in sliding connection with the mounting frame 2, the sliding direction is the vertical direction, and a first air cylinder 32 for driving the first lifting plate 31 to lift is arranged on the mounting plate 2; a clamping component 9 is fixed on the first lifting plate 31 and can clamp and fix the first casing head;
the second carrying mechanism 4 comprises a first fixing frame 41 which is in sliding connection with the first mounting plate 21, a first screw rod 45 which can rotate is arranged on the first mounting plate 21, the first screw rod 45 penetrates through the upper end part of the first fixing frame 41 and is in threaded connection with the upper end part of the first fixing frame 41, and a first motor 46 is arranged at one end of the first screw rod 45 to drive the first screw rod to rotate; the first fixing frame 41 is slidably connected with a second lifting plate 42, the sliding direction is a vertical direction, the first fixing frame 41 is provided with a second screw rod 43 capable of rotating, the second screw rod 43 penetrates through the second lifting plate 42 along the vertical direction and is in threaded connection with the second lifting plate 42, and one end of the second screw rod 43 is provided with a second motor 44 to drive the second lifting plate to rotate; the second lifting plate 42 is fixedly provided with a clamping assembly 9 which can clamp and fix the second casing head, and the second casing head 2 is carried under the drive of the first motor 46 and the second motor 44 so as to be conveniently installed at the upper end of the first casing head;
the third carrying mechanism 5 comprises a second fixing frame 51 which is in sliding connection with the second mounting plate 22, a third screw rod 55 which can rotate is arranged on the second mounting plate 22, the third screw rod 55 penetrates through the upper end part of the second fixing frame 51 and is in threaded connection with the upper end part of the second fixing frame 51, and a third motor 56 is arranged at one end of the third screw rod 55 to drive the third screw rod to rotate; the second fixing frame 51 is slidably connected with a third lifting plate 52, the sliding direction is vertical, a fourth screw rod 53 capable of rotating is arranged on the second fixing frame 51, the fourth screw rod 53 penetrates through the third lifting plate 52 along the vertical direction and is in threaded connection with the third lifting plate 52, and a fourth motor 54 is arranged at one end of the fourth screw rod 53 to drive the fourth motor 54 to rotate; the third lifting plate 52 is fixedly provided with a clamping assembly 9 which can clamp and fix the third casing head, and the third casing head is carried under the drive of the third motor 56 and the fourth motor 54 so as to be conveniently mounted at the upper end of the second casing head.
As shown in fig. 8 to 9, the clamping assembly 9 includes a connection plate 91, and the connection plates 91 on the three clamping assemblies 9 can be fixed to the first lifting plate 31, the second lifting plate 42, and the third lifting plate 52, respectively; two V-shaped clamping blocks 92 are slidably connected to the connecting plate 91, a first rack 93 is fixed to each of the two V-shaped clamping blocks 92, a fifth motor 94 is fixed to one side, opposite to the V-shaped clamping blocks 92, of the connecting plate 91, a first gear 95 is fixed to a driving shaft of the fifth motor 94, the first gear 95 is located between the two first racks 93 and meshed with the two first racks 93 at the same time, and therefore synchronous and reverse sliding of the two V-shaped clamping blocks 92 can be achieved, and clamping of casing heads is achieved;
the V-shaped clamping blocks 92 are rotatably connected with a rolling shaft 921, and the rolling shaft 921 can be in contact with the outer wall of the casing head, so that the two V-shaped clamping blocks 92 can keep the rotation freedom degree of the casing head when clamping the casing head; one of them is provided with first fixed plate 96 on the V type clamp splice 92, be fixed with second cylinder 97 on the first fixed plate 96, the drive shaft end of second cylinder 97 is fixed with fixture block 98, be provided with draw-in groove 981 on the fixture block 98, when second cylinder 97 drive fixture block 98 descends, can respectively with first branch pipe, second branch pipe and third branch pipe block, cooperate the centre gripping effect of two V type clamp splice 92, can realize the location and the fixed to first casing head, second casing head and third casing head respectively, the equipment of the casing head of being convenient for more.
In the process that the clamping assembly 9 acts on the casing head, if the clamping blocks 98 position branch pipes (namely, a first branch pipe, a second branch pipe or a third branch pipe) on the casing head (namely, a first casing head, a second casing head or a third casing head), the two V-shaped clamping blocks 92 are mutually close to each other to complete clamping, so that the clamping blocks 98 are stressed to deform; therefore, it is necessary to ensure that the two V-shaped clamping blocks 92 clamp and grasp the casing heads first, and then respectively position the first casing head, the second casing head and the third casing head by rotating the casing heads (namely, the first casing head, the second casing head or the third casing head) and controlling the clamping blocks 98 to descend to clamp with the branch pipes (namely, the first branch pipe, the second branch pipe or the third branch pipe);
the clamping block 98 is provided with a positioning groove 982, the connecting plate 91 is provided with a plug rod 910, and the plug rod 910 can be inserted into the positioning groove 982, so that the clamping block 98 is prevented from descending; when the two V-shaped clamping blocks 92 are close to each other and fasten the casing head, the inserted link 910 just breaks away from the positioning groove 982, and at this time, the clamping block 98 can descend and position the casing head under the drive of the second air cylinder 97; thereby realizing that the clamping block 98 can descend to complete positioning only when the casing head is clamped by the two V-shaped clamping blocks 92; the clamping block 98 is prevented from being deformed due to misoperation.
In this embodiment, the fixing tube 99 is fixed on the connecting plate 91, the inserting rod 910 is matched with the fixing tube 99 and slidingly connected with the fixing tube 99, and the fixing between the inserting rod 910 and the fixing tube 99 is realized by screwing a screw on the fixing tube 99, so that the position between the inserting rod 910 and the connecting plate 910 is convenient to adjust, and when casing heads with different diameters are carried, the clamping block 98 can still descend to complete positioning when the casing heads are clamped by the two V-shaped clamping blocks 92.
As shown in fig. 10, the mounting frame 2 is provided with a control mechanism 6, the control mechanism 6 comprises a second fixing plate 61 fixed on the mounting frame 2, a third fixing plate 62 is arranged below the second fixing plate 61, a plurality of guide rods 63 are arranged at the upper end of the third fixing plate 62, the guide rods 63 penetrate through the second fixing plate 61 along the vertical direction and are in sliding connection with the second fixing plate 61, and a clamping rod 65 is fixed on the third fixing plate 62; the guide rod 63 is sleeved with a first spring 64, two ends of the first spring 64 are respectively contacted with the second fixing plate 61 and the third fixing plate 62, the upper end of the guide rod 63 is provided with a round table 631, the diameter of the round table 631 is larger than that of the guide rod 63, the round table 631 can be tightly attached to the upper end of the second fixing plate 61 under the elastic force of the first spring 64, and at the moment, one end of the clamping rod 65 can be clamped with a spiral groove of the first screw rod 45, so that the horizontal conveying action of the second conveying mechanism 4 is prevented;
the third lifting plate 52 can contact with the third fixed plate 62 in the lifting process, and drives the third fixed plate 62 to lift, and when the third lifting plate 52 lifts to the highest point position, the clamping rod 65 just breaks away from the first screw rod 45, at this time, the third conveying mechanism 5 is located at the highest point, and the conveying action of the second conveying mechanism 4 cannot interfere with the third conveying mechanism 5 and the third casing head above the third conveying mechanism 5;
since the assembly device of the present invention requires an operator to control a plurality of power sources (a plurality of motors and cylinders) to perform assembly, an operation error is unavoidable, and the third conveying mechanism 5 and the second conveying mechanism 4 interfere with each other during the conveying process, and the control mechanism 6 uses a mechanical limiting mechanism to avoid the interference between the third conveying mechanism 5 and the second conveying mechanism 4; in addition, during assembly of the third casing head to the upper end of the second casing head, third lifter plate 52 is lowered to complete the assembly, during which time horizontal movement of the second casing head is limited, facilitating installation alignment.
In this embodiment, the upper end of base 1 sets up the containing box and is used for placing the balancing weight to come balanced assembly device at the focus, guarantee assembly device removal in-process stability.
However, during the process of carrying the second casing head, the second carrying device 4 needs to be horizontally moved to a position far away from the base 1 to clamp the second casing head, and the assembly device has a risk of rollover due to the weight and lever principle of the second casing head; in order to avoid rollover of the assembly device during the handling of the second casing head, in this embodiment, the first mounting plate 21 is provided with the first supporting mechanism 7 to increase stability during the handling of the second casing head;
as shown in fig. 11, the first supporting mechanism 7 includes a first turning rod 71, one end of the first turning rod 71 is fixed with a first rotating shaft 72, and the first rotating shaft 72 is rotatably connected with the first mounting plate 21; one end of the first turning rod 71 far away from the first rotating shaft 72 is slidably connected with a first sliding rod 73, and the first sliding rod 73 is elastically connected with the first turning rod 71 through a second spring 74; the end of the first slide bar 73 is provided with a first sphere 731, and when the first turn bar 71 is turned to a vertically downward state, the first sphere 731 is in contact with the ground, thereby providing a supporting force for the assembling device to prevent the rollover;
the first rotating shaft 72 is fixed with a second gear 75, the upper end of the first fixing frame 41 is fixed with a first connecting rod 76, the first connecting rod 76 is provided with a second rack 761, and the second rack 761 can be meshed with the second gear 75; when the second carrying mechanism 4 is positioned at the casing head assembling station, the second rack 761 can be meshed with the second gear 75, and the first turning rod 71 is horizontal, so that the movement of the base 1 is avoided, and the assembling device is convenient to adjust the azimuth; in addition, in the process of moving to and carrying the second casing head on the ground, before the second carrying mechanism 4 reaches the position right above the second casing head, the second rack 761 is separated from the second gear 75, and when the second rack 761 is just separated from the second gear 75, the first turning rod 71 is turned to a vertically downward state to provide supporting force, so that the side turning of the assembly device is avoided when the second casing head is grabbed;
the first supporting mechanism 7 and the second carrying mechanism 4 are horizontally linked in a sliding mode, so that the supporting time can be better controlled, and the movement of the base 1 is prevented from being interfered while the supporting effect is achieved.
Similarly, in order to avoid rollover during the process of carrying the third casing head by the third carrying mechanism 5, the second supporting mechanism 8 is mounted on the second mounting plate 22;
as shown in fig. 12, the second supporting mechanism 8 includes a second turning rod 81, one end of the second turning rod 81 is fixed with a second rotating shaft 82, the other end is slidably connected with a second sliding rod 83, the second rotating shaft 82 is rotationally connected with the second mounting plate 22, and the second sliding rod 83 is elastically connected with the second turning rod 81 through a third spring 84; the second ball 831 is provided at the end of the second sliding lever 83, and when the second flip lever 81 is flipped to a vertically downward state, the second ball 831 contacts the ground, thereby providing a supporting force for the assembling device to prevent rollover;
the second rotating shaft 82 is fixed with a third gear 85, the upper end of the second fixing frame 51 is fixed with a second connecting rod 86, the second connecting rod 86 is provided with a third rack 861, and the third rack 861 can be meshed with the third gear 85; and, when the third handling mechanism 5 is in the casing head assembly station, the third rack 861 is capable of meshing with the third gear 85 and the second flip lever 81 is horizontal; and, in the process of going to transport the second casing head that is located subaerial, before third transport mechanism 5 reaches directly over the third tube head, third rack 861 breaks away from third gear 85 to when third rack 861 just breaks away from third gear 85, second turner 81 turns over to vertical down the state, provides holding power, avoids grabbing when the third casing head, assembly device turns on one's side.
The step of assembling the casing head with an assembly device includes;
s1, grabbing a first casing head; controlling the first carrying mechanism 3 to pick up and position the first casing head on the ground;
s2, installing a second casing head; moving the base 1 and controlling the second carrying mechanism 4 to grasp and position the second casing head and move to the position right above the first casing head; aligning the mounting hole by controlling the second casing head to descend and screwing in a bolt;
s3, installing a third casing head; the base 1 is moved, the third carrying mechanism 5 is controlled to grasp and position the third casing head, the third casing head is moved to be right above the second casing head, and then the third casing head is controlled to descend and screw in a bolt.
Working principle:
the assembling device is arranged on the outer side of the casing head, the first carrying mechanism 3, the second carrying mechanism 4 and the third carrying mechanism 5 are arranged in the assembling device, and the clamping assemblies 9 are respectively arranged in the carrying mechanism 3, the second carrying mechanism 4 and the third carrying mechanism 5 to respectively carry the first casing head, the second casing head and the third casing head, so that the casing head is assembled, and compared with the prior art, the manual carrying and assembling are greatly saved in labor and assembling efficiency; positioning of the casing head is achieved by arranging the clamping plate 98 in the clamping assembly 9, and the inserting rod 910 is arranged to ensure that clamping is performed firstly and then positioning is performed, so that the clamping plate 98 is prevented from being deformed under force; by providing the control mechanism 6, interference between the third conveying mechanism 5 and the second conveying mechanism 4 due to misoperation is avoided; by arranging the first supporting mechanism 7 and the second supporting mechanism 8, rollover of the device during carrying of the second casing head and the third casing head is avoided.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The assembling device for the mandrel type three-stage suspension ultrahigh-pressure casing head is characterized by comprising a base (1), wherein four universal wheels with brakes are arranged at the lower end of the base (1); the base (1) is provided with a mounting frame (2), and the mounting frame (2) is sequentially provided with a first carrying mechanism (3), a second carrying mechanism (4) and a third carrying mechanism (5) from bottom to top, and the first carrying mechanism, the second carrying mechanism and the third carrying mechanism are respectively used for carrying the first casing head, the second casing head and the third casing head;
the first carrying mechanism (3) comprises a first lifting plate (31) capable of lifting, and a clamping assembly (9) capable of clamping the first casing head is fixed on the first lifting plate (31);
the mounting frame (2) is provided with a first mounting plate (21), the second carrying mechanism (4) comprises a first fixing frame (41) which is in sliding connection with the first mounting plate (21), the first mounting plate (21) is provided with a first screw rod (45) which can rotate, and the first screw rod (45) penetrates through the upper end part of the first fixing frame (41) and is in threaded connection with the upper end part of the first fixing frame (41); the first fixing frame (41) is provided with a second lifting plate (42) capable of lifting, and the second lifting plate (42) is fixedly provided with a clamping assembly (9) capable of clamping and fixing the second casing head;
the mounting frame (2) is provided with a second mounting plate (22), the third carrying mechanism (5) comprises a second fixing frame (51) capable of sliding on the second mounting plate (22), the second fixing frame (51) is provided with a third lifting plate (52) capable of lifting, and the third lifting plate (52) is fixedly provided with a clamping assembly (9) capable of clamping and fixing a third casing head;
the clamping assemblies (9) comprise connecting plates (91), and the connecting plates (91) on the three clamping assemblies (9) can be respectively fixed with the first lifting plate (31), the second lifting plate (42) and the third lifting plate (52); two V-shaped clamping blocks (92) are connected to the connecting plate (91) in a sliding manner, a first rack (93) is respectively fixed to the two V-shaped clamping blocks (92), a fifth motor (94) is fixed to the connecting plate (91), a first gear (95) is fixed to a driving shaft of the fifth motor (94), and the first gear (95) is located between the two first racks (93) and meshed with the two first racks (93) at the same time;
the V-shaped clamping block (92) is rotatably connected with a roller (921), and the roller (921) can be in contact with the outer wall of the casing head; one of them is provided with first fixed plate (96) on V type clamp splice (92), is provided with fixture block (98) that can go up and down on first fixed plate (96), is provided with draw-in groove (981) on fixture block (98), and draw-in groove (981) can be respectively with first branch pipe, second branch pipe and third branch pipe block.
2. The assembly device of the mandrel three-stage suspension ultrahigh-pressure casing head according to claim 1, wherein a positioning groove (982) is formed in the clamping block (98), a plug rod (910) is arranged on the connecting plate (91), and the plug rod (910) can be inserted into the positioning groove (982); when the two V-shaped clamping blocks (92) are close to each other and the casing head is tightened, the inserted rod (910) just breaks away from the positioning groove (982).
3. The assembling device for the three-stage suspension ultra-high pressure casing head of the mandrel type according to claim 2, wherein the fixing tube (99) is fixed on the connecting plate (91), the inserting rod (910) is matched with the fixing tube (99) and is in sliding connection, and the fixing between the inserting rod (910) and the fixing tube (99) is realized by screwing a screw on the fixing tube (99).
4. The assembling device for the mandrel three-stage suspension ultrahigh-pressure casing head according to claim 1, wherein the mounting frame (2) is provided with a control mechanism (6), the control mechanism (6) comprises a second fixing plate (61) fixed on the mounting frame (2), a third fixing plate (62) is arranged below the second fixing plate (61), a plurality of guide rods (63) are arranged at the upper end of the third fixing plate (62), and the guide rods (63) penetrate through the second fixing plate (61) along the vertical direction and are in sliding connection with the second fixing plate (61), and clamping rods (65) are fixed on the third fixing plate (62); the guide rod (63) is sleeved with a first spring (64), two ends of the first spring (64) are respectively contacted with the second fixing plate (61) and the third fixing plate (62), the upper end of the guide rod (63) is provided with a round table (631), the diameter of the round table (631) is larger than that of the guide rod (63), the round table (631) can be tightly attached to the upper end of the second fixing plate (61) under the action of the elastic force of the first spring (64), and at the moment, one end of the clamping rod (65) can be clamped with a spiral groove of the first screw rod (45).
5. The assembling device for the three-stage suspension ultra-high pressure casing head of the mandrel type according to claim 4, wherein the third lifting plate (52) can be contacted with the third fixing plate (62) in the lifting process and drives the third fixing plate (62) to lift, and when the third lifting plate (52) lifts to the highest point position, the clamping rod (65) just breaks away from the first screw rod (45).
6. The assembly device of the mandrel three-stage suspension ultrahigh pressure casing head according to claim 1, wherein a first supporting mechanism (7) is installed on the first mounting plate (21), the first supporting mechanism (7) comprises a first turning rod (71), one end of the first turning rod (71) is fixed with a first rotating shaft (72), and the first rotating shaft (72) is rotationally connected with the first mounting plate (21); one end of the first turning rod (71) far away from the first rotating shaft (72) is connected with a first sliding rod (73) in a sliding manner, and the first sliding rod (73) is elastically connected with the first turning rod (71) through a second spring (74); the tail end of the first sliding rod (73) is provided with a first sphere (731), and when the first turning rod (71) turns to a vertically downward state, the first sphere (731) is in contact with the ground and provides supporting force for the assembling device;
a second gear (75) is fixed on the first rotating shaft (72), a first connecting rod (76) is fixed at the upper end of the first fixing frame (41), a second rack (761) is arranged on the first connecting rod (76), and the second rack (761) can be meshed with the second gear (75); and, when the second handling mechanism (4) is in the casing head assembly station, the second rack (761) can be meshed with the second gear (75), and the first turning rod (71) is horizontal; before the second carrying mechanism (4) reaches the position right above the second casing head, the second rack (761) is separated from the second gear (75), and when the second rack (761) is just separated from the second gear (75), the first turning rod (71) turns to a vertically downward state.
7. The assembling device for the mandrel three-stage suspension ultrahigh-pressure casing head according to claim 1, wherein a second supporting mechanism (8) is installed on the second mounting plate (22), the second supporting mechanism (8) comprises a second turning rod (81), one end of the second turning rod (81) is fixed with a second rotating shaft (82), the other end of the second turning rod is connected with a second sliding rod (83) in a sliding manner, the second rotating shaft (82) is rotationally connected with the second mounting plate (22), and elastic connection between the second sliding rod (83) and the second turning rod (81) is realized through a third spring (84); the tail end of the second sliding rod (83) is provided with a second sphere (831), and when the second turning rod (81) turns to a vertically downward state, the second sphere (831) is in contact with the ground to provide supporting force for the assembling device;
a third gear (85) is fixed on the second rotating shaft (82), a second connecting rod (86) is fixed at the upper end of the second fixing frame (51), a third rack (861) is arranged on the second connecting rod (86), and the third rack (861) can be meshed with the third gear (85); when the third carrying mechanism (5) is positioned at the casing head assembling station, the third rack (861) can be meshed with the third gear (85), and the second turning rod (81) is horizontal; before the third conveying mechanism (5) reaches the position right above the third pipe head, the third rack (861) is separated from the third gear (85), and when the third rack (861) is just separated from the third gear (85), the second turning rod (81) turns to a vertically downward state.
8. The assembly device for the mandrel three-stage suspension ultrahigh-pressure casing head according to claim 1, wherein a storage box is arranged at the upper end of the base (1) for placing a balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211033734.0A CN115263227B (en) | 2022-08-26 | 2022-08-26 | Three-level suspension ultra-high pressure casing head of dabber formula and assembly quality thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211033734.0A CN115263227B (en) | 2022-08-26 | 2022-08-26 | Three-level suspension ultra-high pressure casing head of dabber formula and assembly quality thereof |
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| Publication Number | Publication Date |
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| CN115263227A CN115263227A (en) | 2022-11-01 |
| CN115263227B true CN115263227B (en) | 2023-05-05 |
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| CN202211033734.0A Active CN115263227B (en) | 2022-08-26 | 2022-08-26 | Three-level suspension ultra-high pressure casing head of dabber formula and assembly quality thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7086474B1 (en) * | 2003-05-13 | 2006-08-08 | T & T Engineering Services, Inc. | Apparatus and method for handling a blowout preventer |
| CN103590763B (en) * | 2013-11-23 | 2015-07-29 | 湖北江汉建筑工程机械有限公司 | A kind of oil drilling platform preventer transport erecting device |
| CN104499975A (en) * | 2014-10-16 | 2015-04-08 | 宝鸡石油机械有限责任公司 | BOP shifting and transporting device for jack-up offshore platform |
| CN205477507U (en) * | 2016-03-08 | 2016-08-17 | 宝鸡石油机械有限责任公司 | Dabber style third grade hangs super high -tension bushing head |
| BR102017021920B1 (en) * | 2017-10-11 | 2023-12-12 | Petróleo Brasileiro S.A. - Petrobras | DEVICE, SYSTEM AND METHOD FOR TRANSPORTATION AND INSTALLATION OF BOP STACK FOR EARTH DRILLING PROBE |
| CN216157196U (en) * | 2021-09-05 | 2022-04-01 | 陈小金 | Handling device for construction convenient to transport |
| CN114740234A (en) * | 2022-05-13 | 2022-07-12 | 安徽科盟电子科技有限公司 | Positioning device for partial discharge test |
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