CN114352706B - Ocean platform gear box installation method - Google Patents
Ocean platform gear box installation method Download PDFInfo
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- CN114352706B CN114352706B CN202111421829.5A CN202111421829A CN114352706B CN 114352706 B CN114352706 B CN 114352706B CN 202111421829 A CN202111421829 A CN 202111421829A CN 114352706 B CN114352706 B CN 114352706B
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- mounting
- installation
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- 238000009434 installation Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005484 gravity Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0056—Mounting parts arranged in special position or by special sequence, e.g. for keeping particular parts in his position during assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an ocean platform gear box installation method, and belongs to the technical field of ocean platform machining. The mounting holes of the array on the mounting frame and the torsion baffle provide mounting space. The two ends of each chain block are respectively connected to the mounting frame and one gear box, and the minimum height of each chain block is larger than the maximum height of the mounting hole corresponding to the same chain block. When the gear box is installed in the installation hole, a certain positioning effect is achieved on the gear box, the position of the gear box in each installation hole is adjusted by the chain block, and when the axis of the adjusting gear box is coincident with the axis of the installation hole. The position adjustment is in place, and the position between the adjacent gearboxes is also more accurate, and the position of the torsion stop block installed between each gearbox and the mounting frame is ensured, so that the connection quality and the stress condition of a plurality of gearboxes and the mounting frame are improved, and the service life of the gearboxes is prolonged.
Description
Technical Field
The disclosure relates to the technical field of ocean platform processing, in particular to an ocean platform gearbox installation method.
Background
Ocean platform is a common marine working device, usually includes at least platform and inserts a plurality of spud legs of establishing in the platform each other in parallel, is connected with mounting bracket and rack and pinion elevating component between spud leg and the platform, and the mounting bracket provides installation space for the spud leg, and a plurality of gear boxes in the rack and pinion elevating component are all installed on the mounting bracket, and the rack is installed on the spud leg, and gear and rack engagement in the gear box, the gear drive in the gear box drive rack remove.
When the gear boxes in the gear rack lifting component are mounted on the mounting frame, the mounting frame is provided with a plurality of mounting holes which are arranged in an array mode and correspond to the gear boxes, four corners of each mounting hole are respectively provided with a torsion baffle for transmitting force, and in each row of gear boxes, two adjacent gear boxes share two torsion baffles. It is necessary to add torsion stops for transmitting the force between the corresponding torsion stops and the four corners of the gear box corresponding to the mounting holes. The torsion baffle is abutted against the torsion baffle to ensure stable use and stress between the gear box and the mounting frame and between adjacent gear boxes.
In the process of actually installing the gear boxes to the mounting frame, because a certain distance exists between a plurality of gear boxes and the ground, the distance between different gear boxes is difficult to determine because a plurality of gear boxes can receive certain gravity in the installation process, the torsion stop block of each gear box is difficult to ensure to realize good cooperation with the torsion baffle on the mounting plate, the unstable and bad problem of atress of being connected of a plurality of gear boxes and mounting frame appears easily, influences the life of gear box.
Disclosure of Invention
The embodiment of the disclosure provides an ocean platform gear box installation method, which can improve the connection quality and stress condition of a plurality of gear boxes and a mounting frame so as to prolong the service life of the gear boxes. The technical scheme is as follows:
The embodiment of the disclosure provides an ocean platform gearbox installation method, which comprises the following steps:
Providing a mounting frame, a plurality of gear boxes, a plurality of chain blocks corresponding to the gear boxes one by one, and four torsion baffles corresponding to each gear box, wherein the mounting frame is provided with a plurality of mounting holes corresponding to the gear boxes one by one and the mounting holes are distributed in an array, and four corners of each mounting hole are provided with a torsion baffle;
Connecting the two ends of each chain block with the mounting frame and the corresponding gear box respectively, wherein the minimum height of each chain block is larger than the maximum height of the mounting hole corresponding to the same chain block;
Placing each gear box into the corresponding mounting hole, and adjusting the chain block until the axis of the gear box corresponding to each chain block coincides with the axis of the mounting hole;
Four torsion stops are arranged between each gear box and the mounting frame, and each torsion stop is distributed at four corners of each gear box and abuts against one torsion baffle.
Optionally, the connecting the two ends of each chain block with the mounting frame and the corresponding gear box respectively includes:
Installing a support frame at one end of the installation frame with larger height, wherein the support frame extends out of one end of the installation frame, and the length of the support frame extending out of the installation frame in the axial direction of the installation hole is more than or equal to half of the axial length of the gear box;
and connecting the two ends of the chain block with the supporting frame and the corresponding gear box respectively.
Optionally, the support frame includes a supporting beam corresponding to at least two rows of the mounting holes one by one, and all the gearboxes in each row of the mounting holes are connected with the corresponding supporting beam through the chain block.
Optionally, the connecting the two ends of each chain block with the mounting frame and the corresponding gear box respectively further includes:
Installing auxiliary lugs on the peripheral wall of each gear box;
And connecting the auxiliary ear plate with the chain block by using a first connecting rope.
Optionally, a load cell is mounted on the first connecting rope to measure the tension of the first connecting rope.
Optionally, the connecting the two ends of each chain block with the mounting frame and the corresponding gear box respectively further includes:
four auxiliary lugs are arranged on the peripheral wall of each gear box at equal intervals along the circumferential direction of the gear box, two auxiliary lugs parallel to the horizontal plane of each gear box are called horizontal lugs, and the other two auxiliary lugs parallel to the gravity direction of each gear box are called vertical lugs;
Connecting a first connecting rope corresponding to the first mounting hole from top to bottom with a vertical lug plate of the gear box in the same mounting hole,
The balance beam is parallel to the horizontal plane and the mounting frame is provided with the surface of the mounting hole, two ends of the balance beam are respectively provided with a second connecting rope connected with the gear box, and one end, away from the balance beam, of each second connecting rope is respectively connected with two horizontal lug plates of the same gear box.
Optionally, the mounting four torsion stops between each gear box and the mounting frame includes:
Sequentially installing the torsion stop blocks corresponding to the gear boxes in each column of the installation holes by taking columns as units;
and the torsion stop blocks of the gear box corresponding to each mounting hole are sequentially mounted in the direction from bottom to top.
Optionally, the torsion stop of the gear box corresponding to each mounting hole is mounted in sequence in a bottom-up direction, and the torsion stop comprises:
four of the torsion stops of each of the gear boxes are mounted counterclockwise in a bottom-up direction.
Optionally, the torsion stop of the gear box corresponding to each mounting hole is mounted in sequence in a bottom-up direction, and the torsion stop further includes:
Tightening one of the chain blocks connected with the gear box to enable the chain block to bear 1/2 of the weight of the gear box;
The torsion stop blocks are sequentially arranged at the lower right corner and the lower left corner of the gear box;
Unloading the weight of the gear box born by the chain block;
Measuring two block mounting spaces between the upper left corner and the upper right corner of the gear box and the corresponding torsion baffle;
Processing two torsion stoppers according to the stopper installation space;
and respectively installing the two processed torsion stop blocks into the two stop block installation spaces.
Optionally, the torsion stop of the gear box corresponding to each mounting hole is mounted in sequence in a bottom-up direction, and the torsion stop further includes:
And checking whether the gap between the torsion stop block and the torsion baffle plate corresponding to each gear box is qualified or not.
The technical scheme provided by the embodiment of the disclosure has the beneficial effects that:
When the ocean platform gearbox is required to be connected to the mounting frame, an intact mounting frame is provided, mounting holes of the mounting frame are arranged to provide mounting space for the gearbox, and torsion baffles at four corners of each mounting hole can be matched with torsion stops. And two ends of each chain block are respectively connected to the mounting frame and one gear box, the minimum height of each chain block is larger than the maximum height of the corresponding mounting hole of the same chain block, and the chain block can provide support for the corresponding gear box in the vertical direction and play a role in adjusting the distance between the gear box and the corresponding mounting hole. When the gear box is installed in the installation hole, the installation hole can play a certain positioning role on the gear box, and then the gear box is matched with the chain block, so that the position of the gear box in each installation hole can be adjusted, and when the axis of the adjusting gear box is coincident with the axis of the installation hole, the position of the gear box is stable and is not easy to shake. The position adjustment of gear box is put in place, and the gravity of gear box is supported by chain block and mounting bracket, and the position between the adjacent gear box is also comparatively accurate, then at last the position of the torsion dog of installation between every gear box and mounting bracket can be guaranteed, effectively improves the stable connection between torsion dog and the torsion baffle between gear box and the mounting bracket. The connection quality and the stress condition of a plurality of gear boxes and the mounting frame are improved, so that the service life of the gear boxes is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a marine platform according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of the cooperation of a platform gearbox with a mounting bracket provided by an embodiment of the present disclosure;
FIG. 3 is a flowchart of a method for installing a gearbox for an ocean platform provided by an embodiment of the present disclosure;
FIG. 4 is a flowchart of another method of installing an ocean platform gearbox provided by an embodiment of the present disclosure;
FIGS. 5-7 are schematic diagrams of an installation process of a marine platform gearbox provided by an embodiment of the present disclosure;
FIG. 8 is a schematic structural view of a balance beam provided by an embodiment of the present disclosure;
FIG. 9 is a cross-sectional view of a balance beam provided by an embodiment of the present disclosure;
FIG. 10 is a sequence diagram of the installation of four torsion stops of a gearbox provided by an embodiment of the present disclosure.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details of the embodiments of the present disclosure will be described with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," "third," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom" and the like are used only to indicate relative positional relationships, which may be changed accordingly when the absolute position of the object to be described is changed.
For ease of understanding, fig. 1 and fig. 2 are provided herein, and fig. 1 is a schematic structural diagram of an ocean platform according to an embodiment of the disclosure, and referring to fig. 1, it can be known that the mounting frame 100 itself has a structure with two ends and a cylindrical cross-section rule. A plurality of gearboxes 200 are required to be mounted on each mounting frame 100.
Fig. 2 is a schematic diagram of the cooperation between the ocean platform gearbox and the mounting frame provided by the embodiment of the disclosure, and referring to fig. 2, it can be seen that the transmission of force between the gearbox 200 and the mounting frame 100 needs to be performed by cooperation of the torsion damper 1 and the torsion stop 2. The four corners of each gear case 200 are provided with torsion stops 2 that cooperate with the torsion stops 1, and in the vertical direction, the torsion stops 2 between two adjacent gear cases 200 share one torsion stop 1.
In the implementations provided by the present disclosure, the axis of the mount 100 is generally perpendicular to the horizontal plane as the mount 100 is in normal use and placement.
The present disclosure will be described below with reference to the accompanying drawings. Fig. 3 is a flowchart of an installation method of an ocean platform gearbox provided by an embodiment of the present disclosure, and as can be seen with reference to fig. 3, the embodiment of the present disclosure provides an installation method of an ocean platform gearbox, where the installation method of an ocean platform gearbox includes:
S101: the four-way torque baffle comprises a mounting frame, a plurality of gear boxes, a chain block corresponding to the gear boxes one by one and four torque baffle blocks corresponding to each gear box, wherein the mounting frame is provided with a plurality of mounting holes corresponding to the gear boxes one by one and distributed in an array, and four corners of each mounting hole are respectively provided with a torque baffle plate.
S102: the two ends of each chain block are respectively connected with the mounting frame and the corresponding gear box, and the minimum height of each chain block is larger than the maximum height of the mounting hole corresponding to the same chain block.
S103: and placing each gear box into the corresponding mounting hole, and adjusting the chain block until the axis of the gear box corresponding to each chain block coincides with the axis of the mounting hole.
S104: four torsion stops are arranged between each gear box and the mounting frame, and each torsion stop is distributed at four corners of each gear box and abuts against one torsion baffle.
When the ocean platform gearbox is required to be connected to the mounting frame, an intact mounting frame is provided, mounting holes of the mounting frame are arranged to provide mounting space for the gearbox, and torsion baffles at four corners of each mounting hole can be matched with torsion stops. And two ends of each chain block are respectively connected to the mounting frame and one gear box, the minimum height of each chain block is larger than the maximum height of the corresponding mounting hole of the same chain block, and the chain block can provide support for the corresponding gear box in the vertical direction and play a role in adjusting the distance between the gear box and the corresponding mounting hole. When the gear box is installed in the installation hole, the installation hole can play a certain positioning role on the gear box, and then the gear box is matched with the chain block, so that the position of the gear box in each installation hole can be adjusted, and when the axis of the adjusting gear box is coincident with the axis of the installation hole, the position of the gear box is stable and is not easy to shake. The position adjustment of gear box is put in place, and the gravity of gear box is supported by chain block and mounting bracket, and the position between the adjacent gear box is also comparatively accurate, then at last the position of the torsion dog of installation between every gear box and mounting bracket can be guaranteed, effectively improves the stable connection between torsion dog and the torsion baffle between gear box and the mounting bracket. The connection quality and the stress condition of a plurality of gear boxes and the mounting frame are improved, so that the service life of the gear boxes is prolonged.
It should be noted that the mounting frame itself may be mounted to the platform. Mounting holes on the mounting frame and the mounting frame can be obtained through machining, torsion baffles at four corners of the mounting hole can be obtained through machining or welding by taking the mounting hole as a reference, and the four corners of the mounting hole can be four corners of an external regular quadrangle of the mounting hole. The outer walls of four edges of each gear box, which are parallel to the axial direction of the gear box inner gear, are provided with an L-shaped mounting groove for corresponding to the torsion stop block.
Fig. 4 is a flowchart of another installation method of a gearbox of an ocean platform according to an embodiment of the disclosure, and referring to fig. 4, it can be known that the installation method of the gearbox of an ocean platform may further include:
S201: the four-way torque baffle comprises a mounting frame, a plurality of gear boxes, a chain block corresponding to the gear boxes one by one and four torque baffle blocks corresponding to each gear box, wherein the mounting frame is provided with a plurality of mounting holes corresponding to the gear boxes one by one and distributed in an array, and four corners of each mounting hole are respectively provided with a torque baffle plate.
S202: the two ends of each chain block are respectively connected with the mounting frame and the corresponding gear box, and the minimum height of each chain block is larger than the maximum height of the mounting hole corresponding to the same chain block.
Optionally, link to each other the both ends of every chain block with mounting bracket and corresponding gear box respectively, include: installing a support frame at one end of the installation frame with larger height, wherein the support frame extends out of one end of the installation frame, and the length of the support frame extending out of the installation frame in the axial direction of the installation hole is more than or equal to half of the axial length of the gear box; the two ends of the chain block are respectively connected with the supporting frame and the corresponding gear box.
The support frame that stretches out the mounting bracket is increased on the mounting bracket, and the length that the support frame stretches out the mounting bracket in the axial of mounting hole is greater than or equal to half of gear box axial length, then the support frame has sufficient space for the chain block provides the space of installation, can select different positions to connect the chain block that different gear boxes correspond on the support frame. The connection and the installation of the chain block are convenient, and the position of the chain block corresponding to each gear box can be adjusted, so that the state of each chain block can be kept vertical, and good and stable support is provided for the gear box corresponding to the chain block.
It should be noted that the supporting frame may be disposed on an end surface of one end of the mounting frame.
Illustratively, the support frame comprises support beams corresponding to at least two rows of mounting holes one by one, and all gear boxes in each row of mounting holes are connected with the corresponding support beams through chain blocks.
The supporting frame is arranged to comprise supporting beams corresponding to each row of mounting holes one by one, the chain block to be connected with the gear boxes in each row of mounting holes can be connected to the corresponding supporting beams, and good connection of the gear boxes in each row of mounting holes can be achieved while cost is controlled. The installation cost of the gear box is ensured while the position of the gear box is adjusted.
Alternatively, the support beam may be i-steel or bar-shaped block. The present disclosure is not limited in this regard.
Illustratively, a connecting lifting lug can be added on the I-steel, and the chain block can be connected with the connecting lifting lug through a steel wire rope. Can be convenient for the stable connection between chain block and the supporting beam.
Optionally, a plurality of connecting lifting lugs can be arranged on each supporting beam, and the number of the connecting lifting lugs on the same supporting beam corresponds to the number of all the mounting holes in a row of mounting holes corresponding to the supporting beam one by one. The plurality of connecting lugs can be equidistantly spaced on the support beam in an axial direction parallel to the mounting holes.
On one hand, the installation of the connecting lifting lug is convenient, and on the other hand, the installation between the connecting lifting lug and the chain block is also convenient. And a certain interval is arranged between the connecting lifting lugs, and the adjusting space of the chain block corresponding to different gear boxes can also be provided.
Optionally, link to each other the both ends of every chain block with mounting bracket and corresponding gear box respectively, still include: installing auxiliary lugs on the peripheral wall of each gearbox; the auxiliary lug plate is connected with the chain block by using a first connecting rope. The stable connection between the chain block and the gear box can be realized through the auxiliary lug plate and the first connecting rope.
Optionally, a load cell is mounted on the first connecting rope to measure the tension of the first connecting rope.
The dynamometer is arranged on the first connecting rope to measure the tension of the first connecting rope, so that the effect of improving the position accuracy of the control gear box can be achieved, for example, the total weight of the gear box is known, the judgment tension corresponding to the first connecting rope under the condition that the axis of the gear box is coincident with the axis of the mounting hole is obtained, the stretching of the chain block can be controlled, the chain block is required to be loosened under the condition that the tension of the first connecting rope is larger than the judgment tension, and otherwise, the chain block is lifted. The position of the gear box can be accurately adjusted, and the installation efficiency of the gear box can be improved.
Optionally, link to each other the both ends of every chain block with mounting bracket and corresponding gear box respectively, still include:
Four auxiliary lugs are arranged on the peripheral wall of each gear box at equal intervals along the circumferential direction of the gear box, two auxiliary lugs parallel to the horizontal plane of each gear box are called horizontal lugs, and the other two auxiliary lugs parallel to the gravity direction of each gear box are called vertical lugs; the balance beam is connected with the first connecting ropes corresponding to the first mounting holes from top to bottom and the vertical lug plates of the gear box in the same mounting hole, the balance beam is parallel to the surface of the mounting frame with the mounting holes on the horizontal plane and the surface of the mounting frame, the two ends of the balance beam are respectively provided with a second connecting rope connected with the gear box, and one ends of the two second connecting ropes, far away from the balance beam, are respectively connected with the two horizontal lug plates of the same gear box.
On the one hand, the connection between the first connecting rope and the gear box is convenient to realize, and on the other hand, the four auxiliary ear plates also play a role in judging the position of the gear box to a certain extent. For the gearboxes arranged in the same row of mounting holes, the vertical lug plates of the gearboxes corresponding to the first mounting hole are directly connected with the first connecting rope, the gearboxes corresponding to the rest mounting holes are connected with the first connecting rope through the two horizontal lug plates, the two second connecting ropes and the balance beam, so that the gearboxes can be compactly arranged, and the weight of the gearboxes can be stably supported.
Fig. 5 to 7 are schematic diagrams of an installation process of an ocean platform gearbox provided by the embodiment of the disclosure, and fig. 5 to 7 sequentially show a front view of a plurality of gearboxes on a mounting frame and the mounting frame which are connected through chain blocks, a side view of the plurality of gearboxes on the mounting frame and the mounting frame which are connected through chain blocks, and a section view of the plurality of gearboxes on the mounting frame and the mounting frame which are connected through chain blocks. The structure and the relative positions of the support frame 3, the support beam 31, the connecting lifting lug 4, the chain block 5, the balance beam 6, the first connecting rope 7, the dynamometer 8 and the second connecting rope 9 are shown in fig. 5, and the structure of the auxiliary ear plate 10 on the gear case 200 is shown in fig. 6.
It should be noted that, the connection between the gear case 200 and the auxiliary ear plate 10 may be achieved by bolts, and the auxiliary ear plate 10 does not need to be removed. Subsequent repair or replacement of the gearbox 200 may be facilitated.
Fig. 8 is a schematic structural diagram of a balance beam provided by an embodiment of the present disclosure, and fig. 9 is a cross-sectional view of the balance beam provided by an embodiment of the present disclosure, as can be seen from fig. 8 and fig. 9, the balance beam 6 may be cylindrical, and connection between the balance beam 6 and the second connection rope 9 may be achieved through an ear plate structure. It is possible to achieve stable connection between the gear case 200 and the first connection rope 7 and reasonably control the installation cost of the gear case 200.
S203: and placing each gear box into the corresponding mounting hole, and adjusting the chain block until the axis of the gear box corresponding to each chain block coincides with the axis of the mounting hole.
The stable adjustment of the gear box can be realized by controlling the movement and the extension of the chain block. In adjusting the position of the gear box in each row, the position of the gear box in each mounting hole may be sequentially adjusted in the top-to-bottom direction. The gear box is prevented from being influenced by the position of the gear box from above in the mounting hole below.
S204: sequentially installing torsion stop blocks corresponding to the gear boxes in each row of mounting holes by taking the row as a unit; and torsional stops of the gear box corresponding to each mounting hole are sequentially mounted in the direction from bottom to top.
When all the gearboxes on the mounting frame are mounted, the gearboxes in the next row of mounting holes can be mounted by taking each row of mounting holes as a unit after the gearboxes in one row of mounting holes are mounted. When the gear boxes in the inner parts of the mounting holes of each row are mounted, the torsion stop blocks of each gear box can be sequentially mounted from bottom to top, the influence of gravity on the gear boxes can be reduced, and the situation that the gear boxes are in poor contact with the torsion stop blocks due to downward movement of the gear boxes under the action of gravity after the torque stop blocks above the gear boxes are mounted first is avoided. The connection stability and stable stress between the gear box and the torsion stop block are improved.
Optionally, the torsion stop of the gear box corresponding to each mounting hole is mounted in the bottom-up direction in sequence, including: four torsion stops per gearbox are mounted counter-clockwise in the bottom-up direction. The installation of torsion stop is convenient for and the quality of connection between gear box and the torsion stop can be guaranteed.
Illustratively, the torsion stop of the gear box corresponding to each mounting hole is mounted in turn in a bottom-up direction, further comprising:
The hand chain block connected with the gear box is pulled tightly, so that the hand chain block bears 1/2 of the weight of the gear box; a torsion stop block is sequentially arranged at the lower right corner and the lower left corner of the gear box; unloading the weight of a gear box borne by the chain block; measuring two baffle block installation spaces between the left upper corner and the right upper corner of the gear box and the corresponding torsion baffle plates; processing two torsion stoppers according to the stopper installation space; and respectively installing the two processed torsion stop blocks into the two stop block installation spaces.
The chain block bears 1/2 of the weight of the gear box, so that the axis of the gear box is basically coincident with the axis of the mounting hole, and then a torsion stop block is mounted in a stop block mounting space between the lower part of the gear box and the corresponding torsion stop plate. Under the condition that the torsion stop block is well contacted with the gear box and the torsion baffle plate, the weight of the gear box borne by the chain block is unloaded again, the weight of the gear box is transferred to the mounting frame, the torsion stop block and the torsion baffle plate, the gear box presses the torsion stop block on the torsion baffle plate, under the condition, the space between the gear box and the torsion baffle plate above the gear box possibly changes, therefore, the space between the gear box and the torsion baffle plate above the gear box needs to be re-measured, the torque stop block is reprocessed according to the space, stable contact between the torsion stop block above the gear box and good force transmission effect is ensured, and finally the connection quality of the gear box and the mounting frame is improved.
Before the torque stopper is mounted between the gear box and the torsion bar below the gear box, the space between the gear box and the torsion bar below the gear box may be measured, the torsion stopper may be mounted between the gear box and the torsion bar below the gear box after the torsion stopper is processed according to the space between the gear box and the torsion bar below the gear box. The contact between each gear box and the torsion stop block and the torsion baffle plate corresponding to the gear box can be ensured to be relatively tight and stable.
Optionally, the torsion stop of the gear box corresponding to each mounting hole is mounted in the bottom-up direction in turn, and the method further comprises: and checking whether the gap between the torsion stop block and the torsion baffle plate corresponding to each gear box is qualified or not. The connection stability between the finally obtained gear box and the mounting frame can be ensured.
For example, the gap between the torsion stop and the torsion shield may be checked by a feeler gauge. Easy to realize.
Fig. 10 is a sequence diagram of installation of four torsion stops of a gear box according to an embodiment of the present disclosure, and referring to fig. 10, it can be known that the four torsion stops in fig. 10 are installed in sequence, starting from the torsion stop indicated by 2 in fig. 10, in the direction of the counterclockwise arrow in the drawing.
The foregoing disclosure is not intended to be limited to any form of embodiment, but is not intended to limit the disclosure, and any simple modification, equivalent changes and adaptations of the embodiments according to the technical principles of the disclosure are intended to be within the scope of the disclosure, as long as the modifications or equivalent embodiments are possible using the technical principles of the disclosure without departing from the scope of the disclosure.
Claims (10)
1. The ocean platform gearbox installation method is characterized by comprising the following steps of:
Providing a mounting frame, a plurality of gear boxes, chain blocks corresponding to the gear boxes one by one and four torsion stop blocks corresponding to each gear box, wherein the mounting frame is provided with a plurality of mounting holes corresponding to the gear boxes one by one and the mounting holes are distributed in an array, and four corners of each mounting hole are provided with a torsion baffle plate;
Connecting the two ends of each chain block with the mounting frame and the corresponding gear box respectively, wherein the minimum height of each chain block is larger than the maximum height of the mounting hole corresponding to the same chain block, the minimum height of the chain block is the minimum height which can be reached by the chain block in the lifting process, the maximum height of the mounting hole is the maximum height of the central axis of the mounting hole, and the direction of the central axis of the mounting hole is vertical to the height direction of the central axis of the mounting hole;
Placing each gear box into the corresponding mounting hole, and adjusting the chain block until the axis of the gear box corresponding to each chain block coincides with the axis of the mounting hole;
Four torsion stops are arranged between each gear box and the mounting frame, and each torsion stop is distributed at four corners of each gear box and abuts against one torsion baffle.
2. The ocean platform gearbox installation method according to claim 1, wherein the connecting the two ends of each chain block with the mounting frame and the corresponding gearbox respectively comprises:
Installing a support frame at one end of the installation frame with larger height, wherein the support frame extends out of one end of the installation frame, and the length of the support frame extending out of the installation frame in the axial direction of the installation hole is more than or equal to half of the axial length of the gear box;
and connecting the two ends of the chain block with the supporting frame and the corresponding gear box respectively.
3. The ocean platform gearbox installation method according to claim 2, wherein the supporting frame comprises supporting beams corresponding to at least two rows of the installation holes one by one, and all gearboxes in each row of the installation holes are connected with the corresponding supporting beams through the chain block.
4. A method of installing an ocean platform gearbox according to any one of claims 1 to 3, wherein said connecting each of said chain blocks at both ends thereof to said mounting frame and to said corresponding gearbox, respectively, further comprises:
Installing auxiliary lugs on the peripheral wall of each gear box;
And connecting the auxiliary ear plate with the chain block by using a first connecting rope.
5. The ocean platform gearbox installation method of claim 4, wherein a load cell is installed on the first connection rope to measure the tension of the first connection rope.
6. The ocean platform gearbox installation method according to claim 4, wherein the connecting the two ends of each chain block with the mounting frame and the corresponding gearbox respectively further comprises:
four auxiliary lugs are arranged on the peripheral wall of each gear box at equal intervals along the circumferential direction of the gear box, two auxiliary lugs parallel to the horizontal plane of each gear box are called horizontal lugs, and the other two auxiliary lugs parallel to the gravity direction of each gear box are called vertical lugs;
Connecting a first connecting rope corresponding to the first mounting hole from top to bottom with a vertical lug plate of the gear box in the same mounting hole,
The balance beam is parallel to the horizontal plane and the mounting frame is provided with the surface of the mounting hole, two ends of the balance beam are respectively provided with a second connecting rope connected with the gear box, and one end, away from the balance beam, of each second connecting rope is respectively connected with two horizontal lug plates of the same gear box.
7. A method of installing a marine platform gearbox according to any one of claims 1 to 3, wherein said installing four said torsion stops between each said gearbox and said mounting frame comprises:
Sequentially installing the torsion stop blocks corresponding to the gear boxes in each column of the installation holes by taking columns as units;
and the torsion stop blocks of the gear box corresponding to each mounting hole are sequentially mounted in the direction from bottom to top.
8. The ocean platform gearbox installation method of claim 7, wherein the installing the torsion stop of the gearbox corresponding to each installation hole in the bottom-up direction comprises:
four of the torsion stops of each of the gear boxes are mounted counterclockwise in a bottom-up direction.
9. The ocean platform gearbox installation method of claim 8, wherein the installing the torsion stop of the gearbox corresponding to each installation hole sequentially in the bottom-up direction further comprises:
tightening the chain block connected with one gear box to ensure that the chain block bears 1/2 of the weight of the gear box;
The torsion stop blocks are sequentially arranged at the lower right corner and the lower left corner of the gear box;
Unloading the weight of the gear box born by the chain block;
Measuring two block mounting spaces between the upper left corner and the upper right corner of the gear box and the corresponding torsion baffle;
Processing two torsion stoppers according to the stopper installation space;
and respectively installing the two processed torsion stop blocks into the two stop block installation spaces.
10. The ocean platform gearbox installation method of claim 9, wherein the installing the torsion stop of the gearbox corresponding to each installation hole sequentially in the bottom-up direction further comprises:
And checking whether the gap between the torsion stop block and the torsion baffle plate corresponding to each gear box is qualified or not.
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|---|---|---|---|
| CN202111421829.5A CN114352706B (en) | 2021-11-26 | 2021-11-26 | Ocean platform gear box installation method |
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| CN202111421829.5A CN114352706B (en) | 2021-11-26 | 2021-11-26 | Ocean platform gear box installation method |
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| CN114352706B true CN114352706B (en) | 2024-04-26 |
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| CN114352706A (en) | 2022-04-15 |
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