CN110539106A - Shaft duct piece hoisting equipment and control method thereof - Google Patents
Shaft duct piece hoisting equipment and control method thereof Download PDFInfo
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- CN110539106A CN110539106A CN201910871207.9A CN201910871207A CN110539106A CN 110539106 A CN110539106 A CN 110539106A CN 201910871207 A CN201910871207 A CN 201910871207A CN 110539106 A CN110539106 A CN 110539106A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
the invention discloses a shaft duct piece hoisting device, which comprises: a lifting seat for supporting and positioning the duct piece; a hydraulic lifting system for driving promote the seat and descend in the shaft so that the section of jurisdiction ring of the superiors is located well head department all the time, hydraulic lifting system includes the hydraulic system as the power supply and the at least three hydraulic lifting unit who links to each other with hydraulic system, and each hydraulic lifting unit all links to each other with promoting the seat, and the tie point non-collineation setting of each hydraulic lifting unit and promotion seat. This shaft section of jurisdiction lifting device controls the welding position of section of jurisdiction ring through operating hydraulic lifting system to make each section of jurisdiction ring of shaft all weld in well head department, the ventilation effect is good, and the operation environment obviously improves, and welding efficiency is high, can avoid causing harm to operation workman's healthy. Meanwhile, compared with the method that a large gantry crane is adopted to hoist the whole pipe piece ring, the space above the well can be saved. The invention also discloses a control method applied to the vertical shaft duct piece hoisting equipment.
Description
Technical Field
The invention relates to the technical field of shaft construction equipment, in particular to a shaft segment hoisting device. In addition, the invention also relates to a control method applied to the vertical shaft duct piece hoisting equipment.
Background
In the process of installing the vertical shaft pipe piece, in the prior art, a travelling crane is generally adopted to firstly place a single steel pipe piece at the bottom of a vertical shaft in sequence, then a plurality of steel pipe pieces are welded into a ring at the bottom of the vertical shaft, after one ring is welded, the pipe piece of the next ring is placed into the vertical shaft by the travelling crane, and then the pipe piece of the next ring is welded on the basis of the ring of the previous ring; meanwhile, the previous ring pipe sheet ring and the next ring pipe sheet ring are welded and fixed.
however, when the depth of the shaft is deep, the construction environment is severe because the air at the bottom of the shaft is not circulated, on one hand, the welding efficiency is low, and on the other hand, the welding at the bottom of the shaft also causes harm to the health of operators.
Therefore, in order to improve the welding environment and improve the welding efficiency, the influence on the health of operators is avoided, the segment is welded to form a ring outside the well, and then the whole segment ring after the ring is welded to form a ring is placed underground in a hoisting mode.
However, at present, no special hoisting equipment suitable for hoisting the whole segment ring exists. If a large gantry crane is adopted, and the integral vertical shaft pipe rings formed by welding all the steel pipe sheets are placed together, the gantry crane is required to be high enough, that is, if the depth of the vertical shaft is 100m, the gantry crane with the height of 100m needs to be adopted, so that the volume of the gantry crane is very large, and the occupied space is large.
In summary, how to provide a vertical shaft segment hoisting device which occupies a small space and can realize wellhead welding is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the invention aims to provide a vertical shaft segment hoisting device, which can realize welding of segment rings at a wellhead and occupies small space above the well.
The invention also aims to provide a control method applied to the vertical shaft segment hoisting equipment, which can realize welding of segment rings at a wellhead and reduce the space on the well occupied by the segment rings.
In order to achieve the above purpose, the invention provides the following technical scheme:
A shaft segment lifting device comprising:
A lifting seat for supporting and positioning the duct piece;
The hydraulic lifting system is used for driving the lifting seat descends in the vertical shaft so that the segment ring of the uppermost layer is always located at the position of the vertical shaft, the hydraulic lifting system comprises a hydraulic system serving as a power source and at least three hydraulic lifting units connected with the hydraulic system, and each hydraulic lifting unit is connected with the lifting seat and is arranged in a non-collinear mode at a connecting point of the lifting seat.
Preferably, a single said hydraulic lifting unit comprises:
the tail end of the steel strand is connected with the lifting seat;
The hydraulic jack is connected with the hydraulic system and comprises two grippable and releasable gripper mechanisms, and the steel strand penetrates through the gripper mechanisms so as to be alternately gripped and lifted or lowered by the two gripper mechanisms.
Preferably, the single hydraulic lifting unit further comprises a displacement sensor for detecting the lifting displacement of the steel strand;
The hydraulic lifting system further comprises a control system connected with the hydraulic system, and the displacement sensor is connected with the control system, so that the control system performs feedback control on the hydraulic system according to the displacement difference of each steel strand, and the displacement difference of each steel strand is controlled within a preset height difference range.
preferably, the single hydraulic lifting unit further comprises a pressure sensor for detecting the pulling force applied by the hydraulic jack to the steel strand, and the pressure sensor is connected with the control system, so that the control system controls the oil pressure force input by the hydraulic system to each hydraulic jack according to the detection signal of each pressure sensor, and the pulling force applied by each hydraulic jack to the steel strand is within a preset pulling force difference range.
preferably, be equipped with the lift welded platform of liftable on the lifting seat, so as to work as after the lifting seat descends through raising lift welded platform welds the inner ring of the pipe sheet ring of the superiors.
Preferably, the pipe piece ring further comprises a guide anti-twisting device for guiding and preventing twisting of the whole pipe piece ring.
preferably, the guide anti-twist device includes:
The fixing frame is used for fixing the guide anti-twisting device;
with spacing that the mount links to each other, spacing is equipped with:
the limiting groove is used for being in concave-convex fit with the sliding block on the segment ring so as to prevent the whole segment ring from twisting;
At least two guide wheels for clearance fit with the outer sidewall of the segment ring to position and guide the entire segment ring.
Preferably, the limiting frame is a movable part which can move relative to the fixed frame, and the limiting frame further comprises a telescopic mechanism which is connected with the limiting frame and used for driving the limiting frame to stretch and retract along the radial direction of the tube sheet ring.
Preferably, the hydraulic lifting system and the guiding anti-twisting device are both fixedly arranged on the mounting seat.
A control method of a vertical shaft segment hoisting device is applied to any vertical shaft segment hoisting device, and comprises the following steps:
Positioning a lifting seat of the vertical shaft segment hoisting equipment at a wellhead by operating a hydraulic lifting system of the vertical shaft segment hoisting equipment so as to position a first ring pipe segment ring on the lifting seat and weld the first ring pipe segment ring;
Through the operation hydraulic lifting system wholly transfers whole section of jurisdiction ring to make the section of jurisdiction ring of the superiors be located well head department all the time, realize welding each section of jurisdiction ring at the well head.
According to the vertical shaft pipe piece hoisting equipment provided by the invention, the lifting seat is driven to descend in the vertical shaft through the hydraulic lifting system, so that the lifting seat can be conveniently lowered to a certain position according to welding requirements, the whole pipe piece ring integrally moves downwards along with the descending of the lifting seat, the pipe piece ring on the uppermost layer is ensured to be always positioned at the wellhead, and each pipe piece ring is conveniently welded at the wellhead, so that the whole pipe piece ring is lowered while welding is realized, the requirement of welding at the wellhead and integrally lowering the whole pipe piece ring is met.
Therefore, the welding position of the pipe sheet ring is controlled by operating the hydraulic lifting system, so that the whole supporting pipe sheet ring of the vertical shaft is welded at the position of a well head, the ventilation effect is good, the welding operation is carried out at the bottom of the vertical shaft, the operation environment is obviously improved, the welding efficiency is high, and harm to the health of an operator can be avoided.
in addition, because along with the constantly increasing of section of jurisdiction ring, through operation hydraulic lifting system, make the lifting seat constantly transfer in the well, avoid taking the extrawell space, consequently, compare in adopting large-scale portal crane to hoist whole section of jurisdiction ring, can practice thrift the above-ground space.
the control method of the vertical shaft duct piece hoisting equipment provided by the invention is applied to the vertical shaft duct piece hoisting equipment, can realize that the whole duct piece ring is lowered while welding, so as to meet the requirements of welding at a wellhead and integrally lowering the whole duct piece ring, and has the beneficial effects.
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 below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a vertical shaft segment hoisting device according to an embodiment of the present invention in use (for clarity, a lifting seat is shown separately from a segment ring);
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a partial schematic view of the connection structure of the steel strand and the lifting seat in FIG. 1;
FIG. 4 is a schematic diagram of a feedback control of the hydraulic system of FIG. 1;
FIG. 5 is a schematic view of the structure of the guide anti-twist device of FIG. 1;
Fig. 6 is a flowchart of a control method of a riser segment hoisting device according to an embodiment of the present invention.
The reference numerals in fig. 1-5 are as follows:
The device comprises a lifting seat 1, a pressing plate 11, a hydraulic lifting system 2, a hydraulic system 21, a steel strand 22, a hydraulic jack 23, a displacement sensor 24, a control system 25, a pressure sensor 26, a clamp holder 27, a lifting welding platform 3, a guiding anti-twisting device 4, a fixing frame 41, a limiting frame 42, a limiting groove 421, a guide wheel 422, a telescopic mechanism 43, a mounting seat 5, a duct piece 6 and a vertical shaft 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a vertical shaft duct piece hoisting device which can realize welding of each duct piece ring at a wellhead and occupies small space on a well. The other core of the invention is to provide the control method applied to the vertical shaft segment hoisting equipment, which can realize the welding of the segment rings at a wellhead and reduce the space on the well occupied by the segment rings.
Referring to fig. 1-5, fig. 1 is a schematic structural view of a hoisting apparatus for a shaft duct piece according to an embodiment of the present invention in use (for clarity, a lifting seat and a duct piece ring are shown separately); FIG. 2 is a top view of FIG. 1; FIG. 3 is a partial schematic view of the connection structure of the steel strand and the lifting seat in FIG. 1; FIG. 4 is a schematic diagram of a feedback control of the hydraulic system of FIG. 1; fig. 5 is a schematic structural view of the guide anti-twist device of fig. 1.
the invention provides a vertical shaft duct piece hoisting device which comprises a hoisting seat 1 and a hydraulic hoisting system 2.
The lifting seat 1 mainly plays a role of bearing and is used for supporting and positioning the duct pieces 6 so as to weld each single duct piece 6 on the lifting seat 1 into a ring.
the lifting base 1 may be a part of the entire segment 6 support, and the segment ring at the lowermost layer may be welded to the lifting base 1 during construction.
The hydraulic lifting system 2 comprises a hydraulic system 21 and at least three hydraulic lifting units, each hydraulic lifting unit is connected with the lifting seat 1, and the hydraulic system 21 serves as a power source and is used for providing power for each hydraulic lifting unit so that each hydraulic lifting unit can act together to control the lifting seat 1 to lift in the vertical shaft 7.
It will be appreciated that the points of attachment of each hydraulic lifting unit to the lifting yoke 1 are arranged non-collinear to adjust the levelness of the lifting yoke 1 by adjusting the position of the points of attachment of each hydraulic lifting unit to the lifting yoke 1.
That is to say, the lifting seat 1 is driven to descend in the shaft 7 through the hydraulic lifting system 2, so that the lifting seat 1 can be conveniently lowered to a certain position according to welding requirements, the whole segment ring integrally moves downwards along with the descending of the lifting seat 1, the segment ring on the uppermost layer is ensured to be always positioned at the shaft opening, each segment ring is conveniently welded at the shaft opening, and therefore the whole segment ring is lowered while welding is achieved, the requirement for welding at the shaft opening and integrally lowering the whole segment ring is met. Of course, if an abnormal situation occurs during the lowering of the pipe sheet ring, the lifting seat 1 can be lifted to a certain height position or out of the well by operating the hydraulic lifting system 2.
during construction, at first make the lifting seat 1 be located well head department, then adopt the driving to hoist monolithic section of jurisdiction 6 to lifting seat 1 on, and make monolithic section of jurisdiction 6 fix a position on lifting seat 1, after each section of jurisdiction 6 that forms a ring pipe piece ring all targets in place, weld the pipe piece ring, when the too high inconvenient operation in welding position, make lifting seat 1 put down to the well certain distance through operation hydraulic lifting system 2, so that the unwelded position of first pipe piece ring is located well head department's suitable position department, conveniently carry out welding operation. After first section of jurisdiction ring welding is accomplished, make first section of jurisdiction ring descend along with promoting seat 1 through operation hydraulic lifting system 2, then, adopt the row handlebar second ring section of jurisdiction 6 hoist to first ring section of jurisdiction 6 again, weld after whole ring section of jurisdiction 6 is installed in place, in welding process, come control ring welding position through operation hydraulic lifting system 2 to guarantee to weld in well head department. And (4) circulating in such a way, installing and welding the rest ring pipe sheet rings until the welding of the whole supporting pipe sheet 6 is completed.
It should be noted that, in consideration of the problem of positioning the bottommost segment 6 on the lifting base 1, it is preferable that the lifting base 1 is provided with positioning pins for positioning each individual segment 6.
It can be understood that the pin holes are formed in the two ends of each single duct piece 6, during installation, the pin holes of the duct pieces 6 at the bottommost layer are aligned with the positioning pins on the lifting seat 1, and the duct pieces 6 at the bottommost layer are inserted into the positioning pins, so that the positioning of the duct pieces 6 at the bottommost layer on the lifting seat 1 can be realized.
When the next ring segment 6 is positioned, the positioning pin is installed in the pin hole of the previous ring segment 6, and then the pin hole of the next ring segment 6 is inserted into the positioning pin on the previous ring segment 6.
Therefore, the welding position of the pipe sheet ring is controlled by operating the hydraulic lifting system 2, so that the whole supporting pipe sheet ring of the vertical shaft 7 is welded at the wellhead, the ventilation effect is good, compared with the welding at the bottom of the vertical shaft 7, the welding device has the advantages that the working environment is obviously improved, the welding efficiency is high, and the harm to the health of operators can be avoided.
in addition, because along with the constantly increasing of section of jurisdiction ring, through operation hydraulic lifting system 2, make and promote seat 1 and constantly transfer in the well, avoid taking the space outside the well, consequently, compare in adopting large-scale portal crane to hoist whole section of jurisdiction ring, can practice thrift the space above the well.
It should be noted that the specific number of the hydraulic lifting units is not limited in the present invention, and those skilled in the art can determine the hydraulic lifting units according to the overall weight of the whole pipe ring and the diameter of the shaft 7. Each hydraulic lifting unit may use the same hydraulic system 21 as a power source, or more than two hydraulic lifting units may share the same hydraulic system 21. As shown in fig. 2, the hydraulic lifting system 2 includes eight hydraulic systems 21 and sixteen hydraulic lifting units, each two hydraulic lifting units are in one group, and two hydraulic lifting units in the same group are powered by the same hydraulic system 21.
It should be noted that the present invention does not limit the specific structure of the hydraulic system 21, as long as the hydraulic lifting units can be supplied with power input. In addition, the present invention does not specifically limit the structure of each hydraulic lifting unit as long as it can provide a pulling force to the lifting base 1.
Preferably, based on the above embodiment, the single hydraulic lifting unit comprises the steel strand 22 and the hydraulic jack 23, and the end of the steel strand 22 is connected to the lifting base 1 so as to provide the pulling force to the lifting base 1. The hydraulic jack 23 is connected with the hydraulic system 21 so as to drive the hydraulic jack 23 to act under the power input of the hydraulic system 21; the hydraulic jack 23 comprises two graspable and releasable gripper mechanisms, and the steel strand 22 is inserted into the gripper mechanisms to lift or lower the steel strand 22 by alternately grasping the two gripper mechanisms.
It will be appreciated that the leading ends of the steel strands 22 are connected to the rollers to effect the retraction of the steel strands 22 by rotation of the rollers.
Preferably, the steel strands 22 of each hydraulic lifting unit are uniformly distributed in the circumferential direction, so that the bearing capacity of each steel strand 22 is balanced, and the reliability of the hydraulic lifting unit is improved.
in order to ensure the balance of the displacement of each steel strand 22 and ensure the levelness of the lifting seat 1, on the basis of the above embodiment, the single hydraulic lifting unit further includes a displacement sensor 24 for detecting the lifting displacement of the steel strand 22; the hydraulic lifting system 2 further comprises a control system 25 connected with the hydraulic system 21, and the displacement sensor 24 is connected with the control system 25, so that the control system 25 performs feedback control on the hydraulic system 21 according to the displacement difference of each steel strand 22, and the displacement difference of each steel strand 22 is controlled within a preset height difference range.
that is to say, in the present embodiment, the displacement sensor 24 is arranged to detect the lifting displacement of each steel strand 22, and send the detected displacement signal of each steel strand 22 to the control system 25, the control system 25 obtains the displacement difference of each steel strand 22 through calculation, and when the displacement difference of each steel strand 22 exceeds the preset height difference range, the control system 25 controls the hydraulic system 21 corresponding to each steel strand 22 to adjust the lifting displacement of the steel strand 22, so as to ensure that the displacement difference of each steel strand 22 is within the preset height difference range. For example, the displacement difference of each steel strand 22 is controlled within ± 5 mm.
it can be seen that the present embodiment performs closed-loop feedback control on the displacement of each steel strand 22 to ensure the balance of the displacement of each steel strand 22 and prevent unbalanced loading.
In order to ensure the balance of the forces applied to the steel strands 22 and improve the safety, on the basis of the above embodiment, the single hydraulic lifting unit further includes a pressure sensor 26 for detecting the tension applied to the steel strands 22 by the hydraulic jacks 23, and the pressure sensor 26 is connected to the control system 25, so that the control system 25 controls the oil hydraulic pressure input by the hydraulic system 21 to each hydraulic jack 23 according to the detection signal of each pressure sensor 26, so that the tension applied to the steel strands 22 by each hydraulic jack 23 is within the preset tension difference range.
that is, in the present embodiment, the lifting forces of the hydraulic jacks 23 are detected by the pressure sensors 26, and the detected lifting force signals of the hydraulic jacks 23 are sent to the control system 25, the control system 25 obtains the differences of the lifting forces of the hydraulic jacks 23 through calculation, and when the differences of the lifting forces of the hydraulic jacks 23 exceed the preset tension difference range, the control system 25 controls the oil pressure force input by the hydraulic system 21 to the hydraulic jacks 23 to adjust the lifting forces of the hydraulic jacks 23, so as to ensure that the differences of the lifting forces of the hydraulic jacks 23 are within the preset tension difference range.
It can be seen that the present embodiment performs closed-loop feedback control on the lifting force of each hydraulic jack 23 to ensure the balance of the lifting force of each hydraulic jack 23, improve safety, and the like.
It can be understood that when welding the outer ring of each section of jurisdiction ring, can directly operate on the ground of well head, come the position of transferring of whole section of jurisdiction ring of control through operation hydraulic lifting system 2 to make the section of jurisdiction ring of the superiors be located suitable welding position department all the time.
In consideration of the convenience of welding the inner rings of the tube sheet rings, on the basis of the above embodiments, the lifting seat 1 is provided with the lifting welding platform 3 capable of lifting, so that the inner ring of the tube sheet ring at the uppermost layer can be welded by lifting the lifting welding platform 3 after the lifting seat 1 is lowered.
That is to say, after lifting seat 1 descends the certain distance, make lift welded platform 3 rise to the well head to the convenience welds the inner ring of each section of jurisdiction ring in well head department. This embodiment makes shaft section of jurisdiction lifting device from taking lift welded platform 3 through setting up lift welded platform 3 on promoting seat 1, comes to provide support and operation platform to the inner ring welding of each section of jurisdiction 6, and the security is high, and the welding is convenient.
That is, the present embodiment controls the inner ring welding position by operating the elevation welding platform 3 to ensure welding of the inner rings of the respective pipe string rings at the wellhead.
It should be noted that, the specific structure of the lifting welding platform 3 is not limited in this embodiment, as long as a lifting support platform for the movement of the constructor can be provided, so as to weld the inner ring of each pipe sheet ring at the wellhead.
of course, for the convenience of welding the inner rings of the respective tube sheet rings, the use of the lifting welding platform 3 is not limited thereto, and for example, a cage or the like may be used instead of the lifting welding platform 3.
in view of the stability of the lifting and lowering welding platform 3 after it has risen to a certain height, on the basis of the above-mentioned embodiment, the lifting and lowering welding platform 3 includes a pull rod for supporting between the lifting and lowering welding platform 3 and the inner wall of the pipe piece ring when the lifting and lowering welding platform 3 rises to a preset height, so as to improve the stability of the lifting and lowering welding platform 3.
That is to say, in this embodiment, after the lifting and welding platform 3 ascends to a certain height, the inner wall of the tube sheet ring provides a supporting force for the supporting platform by setting the pull rod, so as to ensure the stability of the lifting and welding platform 3.
Further, in order to prevent the whole segment ring from twisting and the like when the steel strands 22 hoist the lifting base 1, a guiding and anti-twisting device 4 for guiding and preventing the whole segment ring is further included on the basis of any one of the above embodiments.
that is, this embodiment is through the descending of direction anti-twist device 4 to whole section of jurisdiction ring and leads to prevent that whole section of jurisdiction ring circumferencial direction from twisting, consequently, can avoid causing the shearing force to steel strand wires 22, further improve the security.
In consideration of the specific structure of the guiding anti-twisting device 4, on the basis of the above embodiment, the guiding anti-twisting device 4 includes a fixing frame 41 and a limiting frame 42, the limiting frame 42 is connected to the fixing frame 41, the fixing frame 41 is used for fixing the guiding anti-twisting device 4, and when in use, the fixing frame 41 is fixed on the ground or the mounting base 5 at the wellhead to fix and support the limiting frame 42, so that the limiting frame 42 is supported to a required preset position.
Spacing 42 is equipped with spacing groove 421 and leading wheel 422, and spacing groove 421 are used for with the section of jurisdiction ring on the slider unsmooth cooperation to it is spacing to carry out circumference to whole section of jurisdiction ring, prevents that whole section of jurisdiction ring from twisting. The quantity of leading wheel 422 is at least two for with the lateral wall clearance fit of section of jurisdiction ring, in order to fix a position and lead to whole section of jurisdiction ring, prevent the axis slope of whole section of jurisdiction ring that leads to because of the wire rope unbalance loading at section of jurisdiction ring hoist and mount in-process, thereby can guarantee the centering nature of section of jurisdiction ring, make the slider on the section of jurisdiction ring slide in spacing groove 421 smoothly.
When the guide wheel device is used, the fixing frame 41 is fixed on the ground fixed at a wellhead or the mounting seat 5, the limiting frame 42 is supported to a proper position, the opening direction of the limiting groove 421 faces the outer side wall of the tube sheet ring, and meanwhile, the outer contour line of the guide wheel 422 faces the outer side wall of the tube sheet ring. When hoisting the section of jurisdiction ring, make the slider on the section of jurisdiction ring aim at with spacing groove 421, fix a position and guide the lateral wall of section of jurisdiction ring through leading wheel 422 to guarantee the centering degree of section of jurisdiction ring, and make the slider more smoothly slide into spacing groove 421 in, the slider card is gone into spacing groove 421 in back, spacing groove 421 plays limiting displacement to the section of jurisdiction ring, prevents section of jurisdiction ring circumferencial direction and rotates, thereby can prevent that whole section of jurisdiction ring from twisting and unbalance loading etc..
In order to improve the versatility of the guiding anti-twisting device 4 for tube sheet rings with different outer diameters, on the basis of the above embodiment, the limiting frame 42 is a movable member movable relative to the fixed frame 41, and further includes a telescopic mechanism 43 connected to the limiting frame 42 and used for driving the limiting frame 42 to extend and retract along the radial direction of the tube sheet ring, so that the limiting groove 421 and the guide wheel 422 are adapted to the tube sheet rings with different outer diameters.
That is, in the embodiment, the position of the limiting frame 42 is adjusted by the telescopic mechanism 43, so that the relative position between the limiting frame 42 and the fixing frame 41 is changed, and the limiting frame 42 is supported to a proper position, so as to ensure that the guide wheel 422 and the tube sheet rings with different outer diameters have proper gaps when the outer diameters of the tube sheet rings change, so as to ensure the guiding function of the guide wheel 422; meanwhile, the limiting groove 421 is enabled to be better limited, and the reliability of torsion prevention is guaranteed.
in the present embodiment, the specific structure of the telescopic mechanism 43 is not limited, and the telescopic mechanism 43 may be, for example, an air cylinder, an electric push rod, or the like.
Preferably, the telescopic mechanism 43 is an oil cylinder, the fixed end of the oil cylinder is connected with the fixed frame 41, and the telescopic end of the oil cylinder is connected with the limiting frame 42.
In order to facilitate the installation of the hydraulic lifting system 2 and the guiding anti-twisting device 4, on the basis of the above embodiments, the hydraulic lifting system further comprises an installation seat 5 for being arranged at a wellhead, and the hydraulic lifting system 2 and the guiding anti-twisting device 4 are both fixedly arranged on the installation seat 5.
That is, the mounting seat 5 mainly plays a role in fixedly mounting and supporting the part of the vertical shaft segment hoisting equipment outside the well.
In order to improve the load-bearing capacity of the mount 5, the mount 5 is preferably a polygonal structure.
fig. 6 is a flowchart of a control method of a vertical duct piece hoisting device according to an embodiment of the present invention.
In addition to the above shaft duct piece hoisting equipment, the present invention also provides a control method applied to the shaft duct piece hoisting equipment disclosed in any of the above embodiments, where the control method of the shaft duct piece hoisting equipment includes steps S1 and S2:
Step S1: through the hydraulic lifting system of the operation shaft duct piece lifting equipment, the lifting seat of the shaft duct piece lifting equipment is positioned at the wellhead, so that the first ring pipe piece ring is positioned on the lifting seat and is welded.
step S2: through operation hydraulic lifting system, wholly transfer whole section of jurisdiction ring to make the section of jurisdiction ring of the superiors be located well head department all the time, realize welding each section of jurisdiction ring at the well head.
Since the construction method of the above-mentioned shaft segment hoisting equipment has been described in detail above, this embodiment is not described again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The vertical shaft duct piece hoisting equipment and the control method thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a shaft section of jurisdiction lifting device which characterized in that includes:
A lifting seat (1) for supporting and positioning the duct piece (6);
the hydraulic lifting system (2) is used for driving the lifting seat (1) to descend in the vertical shaft (7) so that the segment ring of the uppermost layer is always located at the position of the vertical shaft, the hydraulic lifting system (2) comprises a hydraulic system (21) serving as a power source and at least three hydraulic lifting units connected with the hydraulic system (21), and each hydraulic lifting unit is connected with the lifting seat (1) and is arranged in a non-collinear mode through a connecting point of the lifting seat (1).
2. a shaft segment hoisting device according to claim 1, characterized in that a single said hydraulic lifting unit comprises:
The tail end of the steel strand (22) is connected with the lifting seat (1);
The hydraulic jack (23) is connected with the hydraulic system (21), the hydraulic jack (23) comprises two grippable and releasable gripping mechanisms, and the steel strand (22) penetrates through the gripping mechanisms so as to be alternately gripped and lifted or lowered by the two gripping mechanisms.
3. Shaft segment hoisting device according to claim 2, characterized in that the single hydraulic lifting unit further comprises a displacement sensor (24) for detecting the lifting displacement of the steel strand (22);
The hydraulic lifting system (2) further comprises a control system (25) connected with the hydraulic system (21), and the displacement sensor (24) is connected with the control system (25) so that the control system (25) performs feedback control on the hydraulic system (21) according to the displacement difference of each steel strand (22) to control the displacement difference of each steel strand (21) within a preset height difference range.
4. The shaft segment hoisting device according to claim 3, wherein the single hydraulic lifting unit further comprises a pressure sensor (26) for detecting the tension applied to the steel strand (21) by the hydraulic jacks (23), and the pressure sensor (26) is connected to the control system (25), so that the control system (25) controls the oil hydraulic pressure input by the hydraulic system (21) to each hydraulic jack (23) according to the detection signal of each pressure sensor (26), so that the tension applied to the steel strand (22) by each hydraulic jack (23) is within a preset tension difference range.
5. Shaft segment hoisting device according to any of claims 1-4, characterized in that the lifting base (1) is provided with a lifting welding platform (3) that can be lifted, so that the inner ring of the uppermost segment ring is welded by lifting the lifting welding platform (3) after the lifting base (1) is lowered.
6. Shaft segment hoisting device according to any of claims 1-4, characterized by a guiding and anti-twisting means (4) for guiding and anti-twisting the entire segment ring.
7. Shaft segment hoisting device according to claim 6, characterized in that the guiding anti-twist means (4) comprise:
A fixing frame (41) for fixing the guide anti-twist device (4);
With spacing (42) that mount (41) link to each other, spacing (42) are equipped with:
A limiting groove (421) which is used for being matched with the sliding block on the segment ring in a concave-convex manner so as to prevent the whole segment ring from twisting;
At least two guide wheels (422) for clearance fit with the outer sidewall of the segment ring to position and guide the entire segment ring.
8. the shaft segment hoisting device according to claim 7, wherein the limiting frame (42) is a movable member movable relative to the fixed frame (41), and further comprises a telescoping mechanism (43) connected to the limiting frame (42) for driving the limiting frame (42) to telescope in the radial direction of the segment ring.
9. shaft segment hoisting device according to claim 6, characterized in that it further comprises a mounting base (5) for setting at the wellhead, the hydraulic lifting system (2) and the guiding anti-twisting device (4) being both fixed on the mounting base (5).
10. A control method of a shaft segment hoisting device, which is applied to the shaft segment hoisting device of any one of claims 1 to 9, comprising:
Positioning a lifting seat of the vertical shaft segment hoisting equipment at a wellhead by operating a hydraulic lifting system of the vertical shaft segment hoisting equipment so as to position a first ring pipe segment ring on the lifting seat and weld the first ring pipe segment ring;
Through the operation hydraulic lifting system wholly transfers whole section of jurisdiction ring to make the section of jurisdiction ring of the superiors be located well head department all the time, realize welding each section of jurisdiction ring at the well head.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910871207.9A CN110539106A (en) | 2019-09-16 | 2019-09-16 | Shaft duct piece hoisting equipment and control method thereof |
| CN202010171720.XA CN111203677A (en) | 2019-09-16 | 2020-03-12 | Shaft duct piece hoisting equipment and control method thereof |
| CN202010430467.5A CN111360461B (en) | 2019-09-16 | 2020-05-20 | Shaft duct piece hoisting equipment and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910871207.9A CN110539106A (en) | 2019-09-16 | 2019-09-16 | Shaft duct piece hoisting equipment and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110539106A true CN110539106A (en) | 2019-12-06 |
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ID=68713638
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910871207.9A Pending CN110539106A (en) | 2019-09-16 | 2019-09-16 | Shaft duct piece hoisting equipment and control method thereof |
| CN202010171720.XA Withdrawn CN111203677A (en) | 2019-09-16 | 2020-03-12 | Shaft duct piece hoisting equipment and control method thereof |
| CN202010430467.5A Active CN111360461B (en) | 2019-09-16 | 2020-05-20 | Shaft duct piece hoisting equipment and control method thereof |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010171720.XA Withdrawn CN111203677A (en) | 2019-09-16 | 2020-03-12 | Shaft duct piece hoisting equipment and control method thereof |
| CN202010430467.5A Active CN111360461B (en) | 2019-09-16 | 2020-05-20 | Shaft duct piece hoisting equipment and control method thereof |
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| Country | Link |
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| CN (3) | CN110539106A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764905A (en) * | 2020-07-09 | 2020-10-13 | 中国水利水电夹江水工机械有限公司 | Anti-twisting method for shaft tunneling |
| CN111764906A (en) * | 2020-07-09 | 2020-10-13 | 中国水利水电夹江水工机械有限公司 | Full-face vertical shaft tunneling method |
| CN112456333A (en) * | 2020-11-05 | 2021-03-09 | 中建三局第二建设工程有限责任公司 | Heat absorber hoist and mount control system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047844A (en) * | 2021-03-17 | 2021-06-29 | 中国铁建重工集团股份有限公司 | Sinking pipe sheet type vertical shaft construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203545612U (en) * | 2013-10-18 | 2014-04-16 | 浙江工商大学 | Two-dimensional movement constant-force hanging device |
| US10391617B1 (en) * | 2015-03-05 | 2019-08-27 | Mark Lloyd | Canopy removal and storage systems and methods |
| CN206859698U (en) * | 2017-04-11 | 2018-01-09 | 广东省工业设备安装有限公司 | A kind of high-rise building air conditioner water vertical shaft Large Diameter Pipeline standpipe inverted construction facility |
| CN107628578B (en) * | 2017-11-09 | 2019-08-02 | 绍兴蓝之印家纺有限公司 | The lifting appliance used when subway work |
| CN208816844U (en) * | 2018-09-17 | 2019-05-03 | 中国石油天然气集团公司 | A kind of underground water seal cave depot Shaft bank pipe-supporting device |
-
2019
- 2019-09-16 CN CN201910871207.9A patent/CN110539106A/en active Pending
-
2020
- 2020-03-12 CN CN202010171720.XA patent/CN111203677A/en not_active Withdrawn
- 2020-05-20 CN CN202010430467.5A patent/CN111360461B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764905A (en) * | 2020-07-09 | 2020-10-13 | 中国水利水电夹江水工机械有限公司 | Anti-twisting method for shaft tunneling |
| CN111764906A (en) * | 2020-07-09 | 2020-10-13 | 中国水利水电夹江水工机械有限公司 | Full-face vertical shaft tunneling method |
| CN111764905B (en) * | 2020-07-09 | 2022-07-12 | 中国水利水电夹江水工机械有限公司 | Anti-twisting method for shaft tunneling |
| CN112456333A (en) * | 2020-11-05 | 2021-03-09 | 中建三局第二建设工程有限责任公司 | Heat absorber hoist and mount control system |
| CN112456333B (en) * | 2020-11-05 | 2022-12-13 | 中建三局第二建设工程有限责任公司 | Heat absorber hoist and mount control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111360461A (en) | 2020-07-03 |
| CN111203677A (en) | 2020-05-29 |
| CN111360461B (en) | 2022-05-17 |
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