CN218320383U - Well pipe flange lifting device - Google Patents
Well pipe flange lifting device Download PDFInfo
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- CN218320383U CN218320383U CN202221966619.4U CN202221966619U CN218320383U CN 218320383 U CN218320383 U CN 218320383U CN 202221966619 U CN202221966619 U CN 202221966619U CN 218320383 U CN218320383 U CN 218320383U
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Abstract
The utility model belongs to the technical field of the inside pump assembly maintenance of well casing and specifically relates to well casing flange lifts by crane ware, including the even ground chassis assembly of a fixed setting even the bottom of ground chassis assembly is installed and is had the wheel group even the top fixed mounting of ground chassis assembly has a vertical lift cylinder group a cantilever track is installed at the top of vertical lift cylinder group slide clamping on the cantilever track has one to slide the seat, a wire rope hoist engine equipment is installed to the bottom of the seat that slides, the last winding hoisting wire rope's of wire rope hoist engine equipment lower extreme is connected with a flange and lifts by crane the mechanism. The lifting device can be moved to the position of a wellhead to be maintained and moved to the position under the traction action of external traction equipment, and the integral stability can be effectively kept after the lifting device is in place; the well pipe flange hoisting mechanism on the hoisting device can be used for effectively realizing the section-by-section hoisting of the well pipe by matching with the steel wire rope hoist equipment, and the smoothness of the hoisting of the well pipe is ensured.
Description
Technical Field
The utility model relates to a pump spare maintenance lifts by crane technical field inside the well casing, in particular to realize the quick lifting by crane structure of well casing, especially well casing flange lifts by crane of promotion when the water pump maintenance in the well casing.
Background
Water in the well generally needs to utilize the immersible pump as the lifting power equipment when realizing that the water level promotes, and the condition that the immersible pump damaged can appear in the in-process of long-term use, just must maintain it when the immersible pump appears damaging.
When the submersible pump in the well pipe is maintained, the submersible pump needs to be lifted above the ground, and before the submersible pump is lifted, the well pipe needs to be pulled out one by one, mainly because the submersible pump is lifted directly, the allowance of space is small, the submersible pump is difficult to be lifted directly when the submersible pump is lifted, and the damage of the submersible pump and the damage of a connecting cable are easily caused by the direct lifting.
At present generally adopt the pipe transversely to insert the wall hole of process when workover and other operations outwards extract the well casing, then rely on fork truck to rise to hold up the pipe, thereby reach the purpose of promoting the single-unit well casing, dismantle after the well casing promotes to finish, then carry out the promotion of next well pipeline section according to above-mentioned operation, this kind of operating method not only wastes time and energy, and owing to adopt fork truck to support the pipe simply, and the condition of slippage appears very easily on fork truck arm in the pipe when fork truck arm is in the not straight state, the well casing that is lifted out together slips together easily, there is great security problem.
In addition, the lifting capacity and the lifting amplitude of the forklift are also greatly limited.
Therefore, the utility model discloses well casing promotion problem according to meetting among the current water pump maintenance process has carried out research and improvement, has proposed here that one kind realizes the quick hoist structure that promotes of well casing when the maintenance of well casing water pump for solve the problem that exists among the prior art better.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: well casing flange lifts by crane ware, including a fixed even ground chassis assembly that sets up install and have the wheel set even the bottom of ground chassis assembly a traction hook is installed to the outer end of even ground chassis assembly, traction hook is used for realizing moving with the cooperation of outside traction equipment even the top fixed mounting of ground chassis assembly has a vertical lift cylinder group a cantilever track is installed at the top of vertical lift cylinder group slide clamping on the cantilever track has a seat of sliding, a wire rope hoist engine equipment is installed to the bottom of the seat of sliding, winding hoisting wire rope's lower extreme is connected with a well casing flange hoisting mechanism on the wire rope hoist engine equipment, well casing flange hoisting mechanism is used for realizing fixed and the promotion to the well casing cantilever track outer end bottom fixed mounting has a translation mechanism, translation mechanism is used for driving the seat of sliding realizes horizontal migration.
In any of the above schemes, preferably, the well pipe flange hoisting mechanism includes an inverted T-shaped stepped shaft fixedly installed at the lower end of the steel wire rope, the lower end of the inverted T-shaped stepped shaft is movably inserted into a stepped circular cavity at the top of a rotating column, a flange connection disc which is more quickly replaced is fixedly installed at the bottom of the rotating column by a pin joint, and the flange connection disc is used for realizing screwing connection with an external thread of a well pipe to be hoisted.
In any of the above schemes, preferably, the vertical lift cylinder group is composed of two vertical lift cylinders moving synchronously in the same direction, the bottoms of the two vertical lift cylinders are both fixedly installed at the top of the ground connecting chassis assembly, and the tops of the piston rods of the two vertical lift cylinders are both fixedly connected to the bottom of an upper installation base; the two vertical lifting oil cylinders are identical in structure, adopt multi-stage telescopic oil cylinders and are provided with hydraulic station systems.
In any of the above schemes, preferably, the rotating column is formed by combining and welding two symmetrically arranged half columns, before combination, the two half columns are wrapped in advance and clamped outside the inverted T-shaped stepped shaft and then are welded and shaped, and mutual rotation between the inverted T-shaped stepped shaft and the rotating column can be realized.
In any of the above schemes, preferably, two opposite upright lug seats are respectively fixedly welded on two sides of the top of the flange connection plate, a transverse pin shaft is movably inserted between the two upright lug seats, the transverse pin shaft penetrates through a through hole on the outer side wall of the lower part of the rotating column matched between the two upright lug seats, two ends of the transverse pin shaft extend out of the upright lug seats, and an anti-dropping bolt piece is installed at the end part of the transverse pin shaft.
In any of the above schemes, preferably, the translation mechanism includes a translation telescopic cylinder fixedly installed at the bottom of the outer end of the cantilever rail, a cylinder barrel of the translation telescopic cylinder is fixed at the bottom of the outer end of the cantilever rail, and an end of a piston rod of the translation telescopic cylinder is fixedly installed on the sliding seat and used for driving the sliding seat to realize translation movement.
In any of the above schemes, preferably, the translational telescopic cylinder adopts a multi-stage telescopic oil cylinder and is provided with an external hydraulic station system.
In any of the above solutions, preferably, a plurality of storage slots for placing the lifted well pipes are arranged at the top of the left side of the grounded chassis assembly.
In any of the above schemes, preferably, a plurality of counterweight columns for placing counterweight blocks are fixedly arranged at the top of the right side of the grounded chassis assembly.
In any of the above schemes, preferably, two bearing frames are installed on two sides of the top of the wellhead, two well pipe locking electric cylinders which are arranged oppositely are installed in an inner frame of the bearing frame, outer ends of cylinder barrels of the two well pipe locking electric cylinders are fixed on the bearing frame, a V-shaped clamp is respectively fixed on the end portions of piston rods of the two well pipe locking electric cylinders, and the two V-shaped clamps are matched to clamp and position the outer wall of the current well pipe.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the lifting device can be moved to the position of a wellhead to be maintained and moved in place under the traction action of external traction equipment, and can effectively keep integral stability after being in place; the well pipe flange hoisting mechanism on the hoisting device can be used for effectively realizing the section-by-section hoisting of the well pipe by matching with the steel wire rope hoist equipment, so that the smoothness of the hoisting of the well pipe is ensured, and the safety and the efficiency of the hoisting are improved.
2. This lifting jack can utilize two V type anchor clamps to carry out the centre gripping with the well casing that the well casing of just exposing the well casing in below when lifting the well casing on top out the well casing completely and to its top fixed to this guarantees the quick dismantlement of top well casing, installs well casing flange hoisting mechanism to the upper portion of the well casing fixed by the centre gripping once more after dismantling the completion, with this realization continuation promotion well casing, the operation is swift relatively, convenient, and can guarantee the security when lifting.
3. The well casing that is promoted out and accomplish the dismantlement at present can move to the top of putting the thing groove under translation mechanism's translation effect, then relies on manpower cooperation and slowly puts the in-process that wire rope controlled at wire rope hoist engine equipment control wire rope with the well casing by vertical truning into the flat groove of putting that crouches at the correspondence, guarantees the security that promotes the back and store, is convenient for simultaneously follow-up carry out the installation of transferring again after the maintenance is accomplished.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of the structure of the utility model in use.
Fig. 2 is a schematic view of the local enlarged structure of the present invention.
Fig. 3 is an enlarged schematic view of the well pipe flange hoisting mechanism of the present invention.
Fig. 4 is a schematic top view of the V-shaped clamp of the present invention in use.
In the figure, 1, a chassis assembly is connected with the ground; 2. a wheel set; 3. a traction hook; 4. a vertical lifting cylinder group; 5. a cantilever rail; 6. a sliding seat; 7. a wire rope hoist device; 8. a wire rope; 9. a well pipe flange hoisting mechanism; 10. a well pipe; 11. inverting the T-shaped stepped shaft; 12. a spin column; 13. a flange connection plate; 14. a lug erecting seat; 15. a transverse pin shaft; 16. a through hole; 17. an anti-drop bolt member; 18. an upper mounting base; 19. a translational telescopic cylinder; 20. a storage groove; 21. a counterweight column; 22. a wellhead; 23. a load-bearing frame; 24. the well pipe locks the electric cylinder; 25. and a V-shaped clamp.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-4.
Example 1:
well casing flange lifts by crane ware, including a fixed setting even ground chassis assembly 1 install and have wheel set 2 even ground chassis assembly 1's bottom draw bail 3 is installed to even ground chassis assembly 1's outer end, draw bail 3 is used for realizing moving with the cooperation of outside traction equipment even ground chassis assembly 1's top fixed mounting has a vertical lift cylinder group 4 a cantilever track 5 is installed at the top of vertical lift cylinder group 4 slide clamping has a seat 6 that slides on cantilever track 5, a wire rope hoist engine equipment 7 is installed to the bottom of seat 6 that slides, the lower extreme of winding lifting wire rope 8 on the wire rope hoist engine equipment 7 is connected with a well casing flange hoisting mechanism 9, well casing flange hoisting mechanism 9 is used for realizing the fixed of well casing 10 and promotes the bottom fixed mounting of cantilever track 5 has a translation mechanism, translation mechanism is used for driving seat 6 that slides realizes horizontal migration.
The well pipe flange lifting device can lift the well pipe 10 section by section, and the lifting height of the vertical lifting cylinder group 4 can be controlled to a proper position according to the length of the well pipe 10 during lifting, so that the well pipe 10 can be completely lifted out of a well mouth 22 during later lifting.
When the whole hoisting device is moved to the right position, the whole sliding seat 6 and the steel wire rope hoisting machine device 7 are driven by the translation mechanism to be arranged above a wellhead 22, the steel wire rope 8 of the steel wire rope hoisting machine device 7 is controlled to be lowered to drive the lower part of the well pipe flange hoisting mechanism 9 on the steel wire rope hoisting machine device 7, then the flange connecting disc 13 on the well pipe flange hoisting mechanism 9 is screwed on the external thread of the corresponding top well pipe 10 in a rotating mode to realize connection and fixation of the well pipes 10, at the moment, the steel wire rope hoisting machine device 7 is controlled to rotate to drive the well pipe flange hoisting mechanism 9 on the steel wire rope hoisting machine device to ascend, finally the whole well pipe 10 is pulled to ascend, when the top well pipe 10 is lifted out of the wellhead 22, the well pipe 10 at the lower end of the top well pipe is also higher than the wellhead 22 by a section, at the moment, only two well pipe locking electric cylinders 24 at the position of the wellhead 22 need to be controlled to drive two V-shaped clamps 25 to clamp and fix the second well pipe 10, at the two sides of the bearing frame 23 are supported on the top of the wellhead 22, therefore, stable bearing frame 23 can realize bearing and fixation, and the well pipes 10 fixed by the two V-shaped clamps 25 can also be fixed.
Separating the upper-section lifted well pipe 10 from the lower-section clamped and fixed well pipe 10 by the operation of an operator, continuously controlling the lifted upper-section well pipe 10 to move upwards for a proper distance after separation, then controlling the translation mechanism to translate rightwards, controlling the translation mechanism to descend when translating to the upper part of the corresponding storage groove 20, enabling the well pipe 10 to be inclined and slowly released by matching with external manual operation when descending to the upper part, finally stably placing the well pipe 10 in the corresponding storage groove 20, preventing the rotary column 12 on the well pipe flange lifting mechanism 9 from rotating after completion, thereby disassembling the flange connecting disc 13 on the well pipe flange lifting mechanism 9, controlling the well pipe flange lifting mechanism 9 to ascend to a proper height after disassembly, then realizing leftward movement to the position right above the well pipe 10 under the action of the translation mechanism, controlling the well pipe flange lifting mechanism 9 to move downwards and be connected with the well pipe 10 clamped and fixed correspondingly below, and loosening the two V-shaped clamps 25 and the corresponding well pipe 10 after connection is completed, so as to continuously lift the well pipe 10 in the above mode, and so as to gradually realize reciprocating lifting of each well pipe 10.
In any of the above schemes, preferably, the well pipe flange hoisting mechanism 9 includes an inverted T-shaped stepped shaft 11 fixedly installed at the lower end of the steel wire rope 8, the lower end of the inverted T-shaped stepped shaft 11 is movably inserted into a stepped circular cavity at the top of a rotating column 12, a flange connection plate 13 which is more quickly replaced is fixedly pinned at the bottom of the rotating column 12, and the flange connection plate 13 is used for achieving screwing connection with the external thread of the well pipe 10 to be hoisted.
The inverted T-shaped stepped shaft 11 and the rotary column 12 arranged in the rotating device rotate relative to each other, so that the rotary column 12 can rotate together with the flange connection disc 13, the flange connection disc 13 is screwed with the well pipe 10, and the operation is convenient and fast.
In any of the above schemes, it is preferable that the rotating column 12 is formed by combining and welding two symmetrically arranged half columns, the two half columns are pre-coated and clamped outside the inverted T-shaped stepped shaft 11 before combination, and then welding and shaping are performed, the inverted T-shaped stepped shaft 11 and the rotating column 12 can be rotated with each other, and the two half columns are assembled to ensure the smoothness during installation and assembly.
In any of the above schemes, preferably, the vertical lift cylinder group 4 is composed of two vertical lift cylinders moving synchronously in the same direction, the bottoms of the two vertical lift cylinders are both fixedly installed at the top of the ground connecting chassis assembly 1, and the tops of the piston rods of the two vertical lift cylinders are both fixedly connected to the bottom of an upper installation base 18; the two vertical lifting oil cylinders are identical in structure, adopt multi-stage telescopic oil cylinders and are provided with hydraulic station systems.
The vertical lifting cylinder group 4 has the main function of realizing control and adjustment of the elevation height according to the height of the well pipe 10 to be lifted, thereby achieving the purpose of ensuring the effective lifting of the well pipe 10.
In any of the above schemes, preferably, the translation mechanism includes a translation telescopic cylinder 19 fixedly installed at the bottom of the outer end of the cantilever rail 5, a cylinder of the translation telescopic cylinder 19 is fixed at the bottom of the outer end of the cantilever rail 5, and an end of a piston rod of the translation telescopic cylinder 19 is fixedly installed on the sliding seat 6 and is used for driving the sliding seat to realize translation movement.
The translation telescopic cylinder 19 can drive the sliding seat 6 to stably translate when extending, so that the left and right movement is realized, and the stability and the stationarity when the well pipe 10 is transferred in the left and right directions are ensured.
In any of the above embodiments, it is preferable that a plurality of storage slots 20 for placing the lifted well pipes 10 are provided at the top of the left side of the floor-connected chassis assembly 1.
The object placing groove 20 can provide an effective stable station for placing the well pipe 10, effectively ensure the stability of the lifted well pipe 10 when placed, and facilitate the hoisting, the placing and the installation after the lifting in the later period.
In any of the above schemes, preferably, a bearing frame 23 is installed on both sides of the top of the wellhead 22, two well pipe locking electric cylinders 24 which are arranged oppositely are installed in an inner frame of the bearing frame 23, outer ends of cylinder barrels of the two well pipe locking electric cylinders 24 are fixed on the bearing frame 23, a V-shaped clamp 25 is respectively fixed on end portions of piston rods of the two well pipe locking electric cylinders 24, and the two V-shaped clamps 25 are matched to clamp and position the outer wall of the current well pipe 10.
When the uppermost well pipe 10 is lifted out of the wellhead 22, the well pipe 10 at the lower end of the uppermost well pipe is also higher than the wellhead 22 by a certain distance, at this time, only two well pipe locking electric cylinders 24 at the wellhead 22 part need to be controlled to extend to drive two V-shaped clamps 25 to clamp and fix the second well pipe 10, at this time, because both sides of the bearing frame 23 are supported at the top of the wellhead 22, the bearing frame 23 can be stably fixed, and meanwhile, the well pipes 10 fixed by the two V-shaped clamps 25 can also be fixed.
Example 2:
well casing flange lifts by crane ware, including a fixed even ground chassis assembly 1 that sets up install and have wheelset 2 even the bottom of ground chassis assembly 1 the outer end of even ground chassis assembly 1 is installed one and is pull couple 3, pull couple 3 is used for realizing moving with the cooperation of outside traction equipment even the top fixed mounting of ground chassis assembly 1 has a vertical lift cylinder group 4 fixed mounting has a cantilever track 5 on the last mounting base 18 at the top of vertical lift cylinder group 4 slide the joint has a seat of sliding 6 on the cantilever track 5, a wire rope hoist device 7 is installed to the bottom of seat of sliding 6, the lower extreme of the promotion wire rope 8 of winding on the wire rope hoist device 7 is connected with a well casing flange hoisting mechanism 9, well casing flange hoisting mechanism 9 is used for realizing the fixed of well casing 10 and promoting cantilever track 5's outer end bottom fixed mounting has a translation mechanism, translation mechanism is used for driving seat of sliding 6 realizes horizontal migration.
In any of the above schemes, it is preferable that the spin column 12 is formed by welding two symmetrically arranged half columns in a combined manner, the two half columns are wrapped in advance and clamped outside the inverted T-shaped stepped shaft 11 before combination, then welding and shaping are performed, the inverted T-shaped stepped shaft 11 and the spin column 12 can rotate with each other, and the two half columns are assembled to ensure the smoothness during installation and assembly.
In any of the above schemes, preferably, two upright lug seats 14 which are arranged oppositely are respectively and fixedly welded on two sides of the top of the flange connection plate 13, a transverse pin shaft 15 is movably inserted between the two upright lug seats 14, the transverse pin shaft 15 passes through a through hole 16 on the outer side wall of the lower part of the rotary column 12 which is matched between the two upright lug seats 14, two ends of the transverse pin shaft 15 extend out of the upright lug seats 14, and an anti-dropping bolt 17 is installed at the end part of the transverse pin shaft 15.
In any of the above schemes, preferably, the vertical lift cylinder group 4 is composed of two vertical lift cylinders moving synchronously in the same direction, the bottoms of the two vertical lift cylinders are both fixedly installed at the top of the ground connecting chassis assembly 1, and the tops of the piston rods of the two vertical lift cylinders are both fixedly connected to the bottom of an upper installation base 18; the two vertical lifting oil cylinders have the same structure, adopt multi-stage telescopic oil cylinders and are provided with a hydraulic station system.
The vertical type lifting cylinder group 4 has the main function of realizing control and adjustment of the elevation height according to the height of the well pipe 10 to be lifted, thereby achieving the purpose of ensuring the effective lifting of the well pipe 10.
In any of the above schemes, preferably, the translation mechanism includes a translation telescopic cylinder 19 fixedly installed at the bottom of the outer end of the cantilever rail 5, a cylinder of the translation telescopic cylinder 19 is fixed at the bottom of the outer end of the cantilever rail 5, and an end of a piston rod of the translation telescopic cylinder 19 is fixedly installed on the sliding seat 6 and is used for driving the sliding seat to realize translation motion.
The translation telescopic cylinder 19 can drive the sliding seat 6 to stably translate when extending, so that the left and right movement is realized, and the stability and the stationarity when the well pipe 10 is transferred in the left and right directions are ensured.
In any of the above solutions, it is preferable that the translational telescopic cylinder 19 is a multi-stage telescopic cylinder and is configured with an external hydraulic station system.
The multi-stage telescopic cylinder can better control the translation stroke amplitude and effectively realize the control of the moving position.
In any of the above embodiments, it is preferable that a plurality of storage slots 20 for placing the lifted well pipes 10 are provided at the top of the left side of the floor-connected chassis assembly 1.
The object placing groove 20 can provide an effective stable station for placing the well pipe 10, effectively ensure the stability of the lifted well pipe 10 when being placed, and facilitate the lifting, the lowering and the installation of the well pipe 10 after the lifting is completed in the later period.
In any of the above solutions, preferably, a plurality of counterweight upright posts 21 for placing a counterweight block are fixedly arranged at the top of the right side of the grounded chassis assembly 1.
The counterweight column 21 can directly sleeve each counterweight ring on the counterweight column when the counterweight of the whole vehicle is needed, the number of the counterweight rings can be selected according to the counterweight needs, and the counterweight rings are sequentially stacked from top to bottom.
In any of the above schemes, preferably, a bearing frame 23 is installed on both sides of the top of the wellhead 22, two well pipe locking electric cylinders 24 which are arranged oppositely are installed in an inner frame of the bearing frame 23, outer ends of cylinder barrels of the two well pipe locking electric cylinders 24 are fixed on the bearing frame 23, a V-shaped clamp 25 is respectively fixed on end portions of piston rods of the two well pipe locking electric cylinders 24, and the two V-shaped clamps 25 are matched to clamp and position the outer wall of the current well pipe 10.
When the well pipe 10 at the uppermost end is lifted out of the wellhead 22, the well pipe 10 at the lower end is also higher than the wellhead 22 by a distance, at the moment, only two well pipe locking electric cylinders 24 at the wellhead 22 part need to be controlled to extend out to drive two V-shaped clamps 25 to clamp and fix the second well pipe 10, at the moment, because both sides of the bearing frame 23 are supported at the top of the wellhead 22, the bearing frame 23 can be stably fixed, and meanwhile, the well pipe 10 fixed by the two V-shaped clamps 25 can also be fixed.
The specific working principle is as follows:
the well pipe flange hoisting device can realize the section-by-section hoisting of the well pipe 10, and the hoisting height of the vertical hoisting cylinder group 4 can be controlled to a proper position according to the length of the well pipe 10 during the hoisting, so that the well pipe 10 can be completely hoisted out of a well mouth 22 during the later hoisting. When the whole lifting device is moved to the right position, the whole sliding seat 6 and the steel wire rope winch device 7 are driven to be arranged above a wellhead 22 through the translation mechanism, the steel wire rope 8 of the steel wire rope winch device 7 is controlled to be lowered to drive the lower part of the well pipe flange lifting mechanism 9 on the steel wire rope winch device 7, then the flange connecting disc 13 on the well pipe flange lifting mechanism 9 is screwed on the external thread of the corresponding top well pipe 10 in a rotating mode, connection and fixation of the well pipes 10 are achieved, at the moment, the remote control steel wire rope winch device 7 is controlled to rotate to drive the well pipe flange lifting mechanism 9 on the well pipe flange lifting mechanism to ascend, finally the whole well pipe 10 is pulled to ascend, when the uppermost well pipe 10 is lifted out of the wellhead 22, the well pipe 10 at the lower end of the well pipe is also higher than the wellhead 22 by a section distance, at the moment, only two well pipe locking electric cylinders 24 at the position of the wellhead 22 need to be controlled to stretch out to drive two V-shaped clamps 25 to clamp the second well pipe 10 fixedly, at the two sides of the bearing frame 23 are supported on the top of the wellhead 22, therefore, the bearing frame 23 can be stably fixed by the two V-shaped well pipes 25, and the bearing frame can be fixed by the two well pipes 10. Separating the upper-section lifted well pipe 10 from the lower-section clamped and fixed well pipe 10 by the operation of an operator, continuously controlling the lifted upper-section well pipe 10 to move upwards for a proper distance after separation, then controlling the translation mechanism to translate rightwards, controlling the translation mechanism to descend when translating to the upper part of the corresponding storage groove 20, enabling the well pipe 10 to be inclined and slowly released by matching with external manual operation when descending to the upper part, finally stably placing the well pipe 10 in the corresponding storage groove 20, preventing the rotary column 12 on the well pipe flange lifting mechanism 9 from rotating after completion, thereby disassembling the flange connecting disc 13 on the well pipe flange lifting mechanism 9, controlling the well pipe flange lifting mechanism 9 to ascend to a proper height after disassembly, then realizing leftward movement to the position right above the well pipe 10 under the action of the translation mechanism, controlling the well pipe flange lifting mechanism 9 to move downwards and be connected with the well pipe 10 clamped and fixed correspondingly below, and loosening the two V-shaped clamps 25 and the corresponding well pipe 10 after connection is completed, so as to continuously lift the well pipe 10 in the above mode, and so as to gradually realize reciprocating lifting of each well pipe 10.
The hoisting device can be moved to the position of a wellhead 22 to be maintained and moved to the position under the traction action of external traction equipment, and the overall stability can be effectively kept after the hoisting device is in place; the well pipe flange hoisting mechanism 9 on the hoisting device is matched with the steel wire rope winch equipment 7, so that the well pipe 10 can be effectively hoisted section by section, the hoisting smoothness of the well pipe 10 is ensured, and the hoisting safety and efficiency are improved; when the well pipe 10 at the uppermost part is completely hoisted out of the wellhead 22 to the upper part of the wellhead 22, the hoisting device can utilize the two V-shaped clamps 25 to clamp and fix the well pipe 10 of which the lower part is just exposed out of the wellhead 22, so as to ensure the quick disassembly of the well pipe 10 at the upper part, and the well pipe flange hoisting mechanism 9 is installed to the upper part of the well pipe 10 clamped and fixed again after the disassembly is finished, so that the well pipe 10 is continuously hoisted, the operation is relatively quick and convenient, and the safety during hoisting can be ensured; the well casing 10 that is promoted out and accomplishes the dismantlement at present can move to the top of putting thing groove 20 under translation mechanism's translation effect, then relies on manpower cooperation and turns into the well casing 10 from vertical to crouching in the corresponding thing groove 20 of putting of flat bed in the in-process of wire rope hoist engine equipment 7 control wire rope 8 slow release, guarantees the security that promotes the back and store, is convenient for simultaneously follow-up again after the maintenance is accomplished and transfers the installation.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. Well casing flange lifting device, its characterized in that: the ground connection chassis assembly comprises a fixed ground connection chassis assembly, wherein the bottom of the ground connection chassis assembly is provided with a wheel set, the outer end of the ground connection chassis assembly is provided with a traction hook, the traction hook is used for being matched with external traction equipment to realize moving, the top of the ground connection chassis assembly is fixedly provided with a vertical lifting cylinder group, the top of the vertical lifting cylinder group is provided with a cantilever rail, a sliding seat is connected on the cantilever rail in a sliding and clamping manner, a steel wire rope winch equipment is installed at the bottom of the sliding seat, the lower end of a winding lifting steel wire rope on the steel wire rope winch equipment is connected with a well pipe flange lifting mechanism, the well pipe flange lifting mechanism is used for fixing and lifting a well pipe, a translation mechanism is fixedly installed at the bottom of the outer end of the cantilever rail and is used for driving the sliding seat to realize horizontal movement.
2. A well flange hoist according to claim 1, wherein: the well pipe flange hoisting mechanism comprises an inverted T-shaped stepped shaft fixedly mounted at the lower end of the steel wire rope, the lower end of the inverted T-shaped stepped shaft is movably inserted into a stepped circular cavity at the top of a rotating column, a quick-replaceable flange connecting disc is fixedly connected to the bottom of the rotating column in a pin joint mode, and the flange connecting disc is used for achieving screwing connection with external threads of a well pipe to be hoisted.
3. The well pipe flange hoist of claim 2, wherein: the vertical lifting cylinder group consists of two vertical lifting cylinders which synchronously move in the same direction, the bottoms of the two vertical lifting cylinders are fixedly arranged at the top of the ground connecting chassis assembly, and the tops of piston rods of the two vertical lifting cylinders are fixedly connected to the bottom of an upper mounting base; the two vertical lifting oil cylinders have the same structure, adopt multi-stage telescopic oil cylinders and are provided with a hydraulic station system.
4. A well flange hoist according to claim 3, wherein: the rotary column is formed by combining and welding two symmetrically arranged semi-columns, the two semi-columns are wrapped in advance and clamped outside the inverted T-shaped stepped shaft before combination and then are welded and shaped, and mutual rotation between the inverted T-shaped stepped shaft and the rotary column can be achieved.
5. A well flange hoist according to claim 4, wherein: the flange connection plate is characterized in that two opposite upright lug seats are fixedly welded on two sides of the top of the flange connection plate respectively, a transverse pin shaft is movably inserted between the two upright lug seats and penetrates through a through hole in the outer side wall of the lower portion of the rotary column, the through hole is matched between the two upright lug seats, two ends of the transverse pin shaft extend out of the upright lug seats, and an anti-falling bolt piece is mounted at the end portion of the transverse pin shaft.
6. A well flange riser according to claim 5, wherein: the translation mechanism comprises a translation telescopic cylinder fixedly installed at the bottom of the outer end of the cantilever rail, a cylinder barrel of the translation telescopic cylinder is fixed at the bottom of the outer end of the cantilever rail, and the end part of a piston rod of the translation telescopic cylinder is fixedly installed on the sliding seat and used for driving the sliding seat to realize translation motion.
7. A well flange hoist according to claim 6, wherein: the translation telescopic cylinder adopts a multi-stage telescopic oil cylinder and is provided with an external hydraulic station system.
8. A well flange hoist according to claim 7, wherein: and a plurality of object placing grooves for placing the lifted well pipes are arranged at the top of the left side of the grounding chassis assembly.
9. A well flange hoist according to claim 8, wherein: and a plurality of counterweight upright columns used for placing counterweight blocks are fixedly arranged at the top of the right side of the ground-connected chassis assembly.
10. A well flange hoist according to claim 9, wherein: the well head is characterized in that a bearing frame is arranged on two sides of the top of the well head, two well pipe locking electric cylinders which are oppositely arranged are arranged in an inner frame of the bearing frame, the outer ends of cylinder barrels of the two well pipe locking electric cylinders are fixed on the bearing frame, a V-shaped clamp is respectively fixed at the end parts of piston rods of the two well pipe locking electric cylinders, and the two V-shaped clamps are matched to clamp and position the outer wall of the current well pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221966619.4U CN218320383U (en) | 2022-07-28 | 2022-07-28 | Well pipe flange lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221966619.4U CN218320383U (en) | 2022-07-28 | 2022-07-28 | Well pipe flange lifting device |
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| CN218320383U true CN218320383U (en) | 2023-01-17 |
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| CN202221966619.4U Active CN218320383U (en) | 2022-07-28 | 2022-07-28 | Well pipe flange lifting device |
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| CN (1) | CN218320383U (en) |
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