CN117449750A - Drilling machine top drive pulley structure and maintenance method thereof - Google Patents
Drilling machine top drive pulley structure and maintenance method thereof Download PDFInfo
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- CN117449750A CN117449750A CN202311364902.9A CN202311364902A CN117449750A CN 117449750 A CN117449750 A CN 117449750A CN 202311364902 A CN202311364902 A CN 202311364902A CN 117449750 A CN117449750 A CN 117449750A
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- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012423 maintenance Methods 0.000 title abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 28
- 238000002788 crimping Methods 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000005056 compaction Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/022—Top drives
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention relates to the technical field of petroleum and natural gas drilling equipment, in particular to a top drive pulley structure of a drilling machine and a maintenance method thereof, wherein the top drive pulley structure of the drilling machine comprises two slide plates, the two slide plates are respectively attached to an inner concave molded surface arranged on a top drive, wing plates are arranged at the edge of the inner concave molded surface, the two slide plates are respectively detachably connected with the wing plates, and a slide matched with a guide rail is formed by combining the two slide plates; the slide plate is detachably connected with a plurality of wear-resisting plates, at least one slide plate is positioned at the edge compression joint compacting plate in the concave surface, and the compacting plate is detachably connected with the concave surface. The maintenance method has the advantages that the wear-resistant plate on the slideway plate is convenient to replace under the condition that the top drive is not lowered, the replacement risk is reduced, the replacement workload is reduced, and the replacement time is shortened.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas drilling equipment, in particular to a top drive pulley structure of a drilling machine and a maintenance method thereof.
Background
The top drive device (hereinafter referred to as top drive) is one of important component devices of the petroleum drilling rig, is widely used on marine and land drilling rigs, the top drive can directly rotate a drill rod in the upper space of a derrick to complete various drilling operations such as rotary drilling of a drill rod, circulating drilling fluid, connecting a vertical column, screwing and unscrewing, reversely reaming and the like, the top drive needs to move up and down along a guide rail arranged on the derrick in the operation process, a part, in contact with the guide rail, on a top drive body is called a pulley, the pulley is used for limiting the top drive to move along the guide rail and transmitting reactive torque of the top drive driving drill string to the guide rail, and the torque transmitted by the pulley can be from 0N.m to 100,000N.m according to the change of the top drive power and working conditions, so the pulley needs to be connected with the top drive stably enough.
The pulley is provided with the antifriction plate near the internal surface of guide rail to reduce pulley and guide rail's coefficient of friction, and bear the wearing and tearing of working process, protection top drive and guide rail, antifriction plate are the consumables in the operation engineering of top drive, in the operation process is driven on the top, need change or compensate the wearing and tearing volume through changing the adjustment pad, in order to guarantee the normal operation of top drive, extension top drive, guide rail life.
However, the existing pulley is generally fixed by being connected with the concave profile bolt which is arranged on the top drive and is used for adapting to the guide rail, after the top drive is installed, the bolt which is used for connecting the pulley and the top drive is positioned between the guide rail and the top drive, when the wear-resisting plate and the adjusting pad are replaced, the guide rail and the pulley are required to be separated, a large number of bolts are required to be detached, the workload is large, and after the top drive is installed, the top drive is not required to be detached except that the drilling operation is required to be carried out, so that the replacement operation of the wear-resisting plate and the adjusting pad is required to be carried out at high altitude, the risk is high, and the drilling operation time is prolonged. Because the wear-resisting plate and the adjusting pad are troublesome to replace, the well team is generally unwilling to replace in the drilling operation process, and the wear-resisting plate wear exceeds the allowable quantity and can lead to the increase of top drive vibration and the increase of guide rail shaking amplitude, the wear-resisting plate is not replaced in time or the wear quantity is compensated, and extra risks can be brought to the drilling operation.
Therefore, a technical scheme is needed at present to solve the technical problems that the existing top drive pulley structure of the drilling machine is troublesome in replacing a wear-resisting plate and an adjusting pad, and is large in replacing workload and high in risk.
Disclosure of Invention
The invention aims at: aiming at the technical problems of troublesome replacement of a wear-resisting plate and an adjusting pad and high replacement workload and high risk of the existing top drive pulley structure of the drilling machine, the top drive pulley structure of the drilling machine and a maintenance method thereof are provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the top drive pulley structure of the drilling machine comprises two slide plates, wherein the two slide plates are respectively attached to an inner concave surface arranged on a top drive, wing plates are arranged at the edges of the inner concave surface, the two slide plates are respectively detachably connected with the wing plates, and a slide matched with a guide rail is formed by combining the two slide plates; the slide plate is detachably connected with a plurality of wear-resisting plates, at least one slide plate is positioned at the edge compression joint compacting plate in the concave surface, and the compacting plate is detachably connected with the concave surface.
According to the top drive pulley structure of the drilling machine, the slide plate is connected with the wing plate on the side of the concave molded surface, the connection position of the slide plate and the wing plate is not interfered by the guide rail, the slide plate can be disassembled when the relative position relation between the top drive and the guide rail is not changed, but the installation stability of the slide plate under the action of bearing the top drive torque cannot be guaranteed only through the bolt connection on the wing plate at the edge, namely, the area interfered by the position of the guide rail, of the slide plate in the concave molded surface is crimped by the compacting plate, so that the slide plate can be taken out along a gap between the top drive and the guide rail directly after being separated from the wing plate, the slide plate is convenient to disassemble under the condition that the top drive is not lowered, the abrasion-resistant plate on the slide plate is convenient to replace, the replacement risk is reduced, the number of connecting pieces between the slide plate and the top drive is reduced, the replacement workload is reduced, and the replacement time is shortened.
As a preferable mode of the invention, the pressing plate and the slideway plate are in tooth joint through a tooth joint part, the tooth joint part is used for pressing the slideway plate on the concave molded surface, and the tooth joint part meets the condition that the pressing plate and the slideway plate can be separated along the concave molded surface. The compacting plate and the slideway plate form an inter-meshed interface shape through the tooth joint part, the tooth joint part has a simple structure, and the interface shape can be adjusted according to actual conditions.
As a preferable mode of the invention, the tooth joint part is of a tooth joint structure matched with the tooth joint part in a concave-convex mode, and the tooth joint part is arranged on the end faces of the slideway plate and the compacting plate. The concave-convex matching realizes the toothed engagement of the compaction plate and the slideway plate, and the toothed part is arranged on the end surface, so that the slideway plate is applied with pressure towards the concave-in molded surface through the toothed part, the slideway plate is ensured to be stably arranged, and the slideway plate and the compaction plate can be separated along the concave-in molded surface.
As a preferable scheme of the invention, the compacting plates and the slideway plates are arranged in equal thickness or are smaller than the slideway plates, the compacting plates are arranged in equal height when being pressed and connected with the edge of the slideway plate close to the other slideway plate, and a plurality of connecting pieces for connecting the compacting plates and the concave molded surface are arranged along the height direction. The thickness of the pressing plate is equal to that of the slideway plate, the thickness of the pressing plate is limited according to the thickness of the slideway plate, after the pressing plate and the slideway plate are combined, the inner side surface of the pressing plate, which is close to the slideway, and the inner side surface of the slideway plate, which is close to the slideway, can be communicated to form a plane or lower than the slideway plate, so that the arrangement of the pressing plate is prevented from affecting the matching of a guide rail and a pulley structure and the smooth transmission of torque, and the height of the pressing plate is equal to that of the pressing plate, when the pressing plate is pressed on the edge of the slideway plate, which is close to the other slideway plate, the longitudinal height dimension of the pressing plate and the slideway plate is equal to each other along the guide rail, so that the pressing force of the pressing plate to the slideway plate is balanced, the even dispersion of the top drive rotation torque is realized, and the stress concentration is avoided.
As a preferred aspect of the present invention, at least a second one of the slideway plates through which the torque of the top drive clockwise rotates is pressed against the compacting plate. The second that the moment of torsion that the clockwise rotation is driven on the top the slipway board is passed through mainly bears the pressure that the rotation was driven on the top to through this pressure effect on the pressure board, compress tightly the slipway board steadily, ensure the stability in use of slipway board, can be according to actual conditions, only the slipway board that this side corresponds adopts the pressure board to fix, and another slipway board adopts conventional bolted connection mode, in order to satisfy the smooth dismantlement of slipway board and reduce the pressure board quantity.
As a preferable mode of the invention, the surface of the slideway plate close to the slideway is a through surface, and the wear-resistant plate is attached to the through surface. The inner surface of the slideway plate, which is close to the slideway, is a through plane without a recess or a protrusion.
As a preferable scheme of the invention, the surface of the slideway plate, which is close to the slideway, is provided with a chute, and the wear-resistant plate is in nested fit with the chute.
As a preferable mode of the invention, an adjusting pad is arranged between the wear-resistant plate and the slideway plate. So as to realize the compensation of the abrasion loss of the abrasion-resistant plate.
As a preferable mode of the invention, the concave surface is provided with an embedded part, the embedded part is arranged between the two slideway plates, the slideway plates and/or the compaction plates are in contact with the embedded part, and a plurality of reinforcing ribs are arranged between the wing plates and the top drive. The jogged part is the protruding part that stands out in the indent profile to realize the laminating of top drive and slide board in different directions through jogged part, in order to do benefit to the moment of torsion that the rotation was transmitted is driven on effective transmission top, and strengthen the slide board and the connection structural strength that drives on top, improve the installation of slide board, use structural stability.
The maintenance method of the top drive pulley structure of the drilling machine comprises the top drive pulley structure of the drilling machine, and comprises the following steps: s1, separating a slideway plate from a wing plate; s2, separating the slideway plate from the compacting plate, and performing S3 or S4; s3, replacing the wear-resistant plate on the slideway plate, re-crimping the slideway plate with the compression plate, and connecting the slideway plate with the wing plate; s4, transversely and relatively moving the top drive and the guide rail, separating the top drive and the guide rail, replacing the wear-resisting plate on the slideway plate, resetting the top drive and the guide rail, and then crimping the slideway plate with the compacting plate again to connect the slideway plate with the wing plate.
According to the maintenance method of the top drive pulley structure of the drilling machine, when a single slideway plate is in compression joint with a compression plate, after the slideway plate in compression joint with the compression plate is taken down, maintenance of the abrasion-resistant plate on the slideway plate is taken down and then reset, or the top drive and the guide rail are moved and separated, maintenance of the abrasion-resistant plate on the slideway plate without compression joint with the compression plate is carried out, and then reset of the top drive and the guide rail and reset of the lower slideway plate are carried out; when two slideway plates are in pressure equalizing connection with the compacting plates, only the slideway plates in pressure equalizing connection with the compacting plates are required to be taken down, maintenance and resetting of the wear plates are carried out, the wear plates are convenient to maintain, replacement of the wear plates and replacement of the adjusting pads can be carried out under the condition that top drives are not put down, the workload of overhead operation and maintenance risks are reduced, and the use and maintenance cost of the top drives are reduced.
In summary, by adopting the technical scheme, the top drive pulley structure of the drilling machine has the beneficial effects that:
1. the slide way plate is connected with the wing plate of the inward concave surface, so that the connection position of the slide way plate and the wing plate is not interfered by the guide rail, and the slide way plate can be disassembled when the relative position relation between the top drive and the guide rail is not changed;
2. the area of the slideway plate interfered by the position of the guide rail is crimped by the compacting plate, so that the slideway plate can be directly taken out along a gap between the top drive and the guide rail after being separated from the wing plate, the slideway plate is convenient to detach under the condition that the top drive is not lowered, the abrasion-resistant plate on the slideway plate is convenient to replace, and the replacement risk is reduced;
3. the number of connecting pieces between the slideway plate and the top drive is reduced, the replacement workload is reduced, and the replacement time is shortened.
The maintenance method of the top drive pulley structure of the drilling machine has the beneficial effects that:
the wear-resisting plate is convenient to maintain, the wear-resisting plate and the adjusting pad can be replaced under the condition that the top drive is not put down, the work load and the maintenance risk of high-altitude operation are reduced, and the use and maintenance cost of the top drive are reduced.
Drawings
FIG. 1 is a schematic structural view of a top drive sled structure of a drilling rig of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1, partially enlarged at A;
FIG. 3 is a top view of a top drive sled structure of the drill in accordance with the present invention;
fig. 4 is a schematic structural view of a top drive pulley structure of a drilling machine according to embodiment 1;
FIG. 5 is a schematic structural view of a top drive pulley structure of a drilling machine according to embodiment 4;
FIG. 6 is a schematic view of the structure of FIG. 5 at B in partial enlargement;
FIG. 7 is a use state diagram of a top drive pulley structure of a drilling machine according to embodiment 4;
fig. 8 is a front view of the top drive pulley structure of the drilling machine in the use state of the embodiment 4.
Icon:
the device comprises a 1-slideway plate, a 2-top drive, a 21-concave surface, a 22-wing plate, a 23-slideway, a 24-embedded part, a 3-wear-resistant plate, a 4-compacting plate, a 41-tooth joint part, a 5-connecting piece and a 6-guide rail.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-4, in this embodiment, a top drive pulley structure of a drilling machine suitable for a rectangular section guide rail 6 is illustrated, a corner portion of a side of a top drive 2 adapted to the guide rail 6 is provided with an indent profile 21, edges of left and right sides of the opposite guide rail 6 of the indent profile 21 are provided with wing plates 22, a plurality of reinforcing ribs are arranged between the wing plates 22 and the top drive 2, the top drive pulley structure of the drilling machine comprises two L-shaped slide plates 1, and the two slide plates 1 are respectively attached to the indent profile 21 arranged on the top drive 2 and are connected with the wing plates 22 arranged at the edges of the indent profile 21 by bolts, so that a slide 23 adapted to the guide rail 6 is formed; the slide plate 1 is connected with a plurality of wear-resisting plates 3 through bolts/screws, the slide plate 1 is positioned in the concave surface 21, namely, is in press connection with the pressing plate 4 through edges interfered by the positions of the guide rails 6, and the pressing plate 4 is connected with the concave surface 21 through bolts/screws.
According to the drilling machine top drive pulley structure, through the connection of the two L-shaped slide plates 1 with the wing plates 22 on the left side and the right side of the concave molded surface 21 relative to the guide rail 6, the wing plates 22 extend out of the edges on the left side and the right side of the concave molded surface 21 relative to the guide rail 6, the connection positions of the slide plates 1 and the top drive 2 can be free of interference by the guide rail 6, separation of the slide plates 1 and the top drive 2 can be achieved without changing the relative position relation of the top drive 2, meanwhile, the slide plates 1 are located in the concave molded surface 21 and are in compression joint through the compression plates 4, stable installation of the L-shaped slide plates 1 on the top drive 2 can be achieved through the compression joint and the connection with the wing plates 22, torque force in the using process of the top drive 2 and the guide rail 6 can be borne, the compression plates 4 are attached and connected with the concave molded surface 21 in the use process of the top drive 2, the reverse torque of the top drive 2 is transferred to the guide rail 6 when the relative position relation of the top drive 2 and the slide plates 6 is not changed, the slide plates 1 are applied with pressure, the slide plates 1 are guaranteed, the installation stability of the slide plates 1 is guaranteed, the wear-resisting plates can be reduced, the number of the top drive plates can be reduced, the wear-resisting plates can be replaced and the top drive the slide plates can be replaced conveniently, the top drive the slide plates can be replaced conveniently and replaced conveniently, and the slide plates can be replaced conveniently and the slide plates 1 are replaced conveniently and the slide plates 2.
It will be appreciated that in some embodiments, the wing plates 22 may also be disposed on the top/bottom/upper and lower edges of the concave surface 21 opposite to the guide rail 6 according to practical situations, so that the sliding plate 1 is only required to be connected to and separated from the top driver 2 at a position not interfered by the guide rail 6, meanwhile, the pressing plate 4 is disposed in the concave surface 21, and may be pressed against the top edge, the bottom edge or the inner side edge near the concave surface 21 of the L-shaped sliding plate 1 according to the disposed position of the wing plates 22, so that the pressing of the L-shaped sliding plate 1 is only required, and after the sliding plate 1 is disconnected from the wing plates 22, the sliding plate 1 can be removed.
It can be understood that the number of the compacting plates 4 can be adjusted according to practical situations, only one slideway plate 1 can be in press connection with the compacting plates 4, the other slideway plate 1 is connected with the top drive 2 by bolts/screws at the position interfered by the guide rail 6, and also two slideway plates 1 can be in press connection with each other by arranging the compacting plates 4, so that each slideway plate 1 can complete replacement and maintenance adjustment of the wear-resisting plate 3 without moving the top drive 2 and the guide rail 6, as shown in fig. 1-4, the embodiment is shown by taking the press connection of the compacting plates 4 as an example by respectively arranging the compacting plates 1.
In some embodiments, the surface of the slideway plate 1 near the slideway 23 is provided with a through surface, and the wear-resistant plate 3 is attached to the through surface, so that the wear-resistant plate 3 is higher than the slideway plate 1 after the wear-resistant plate 3 is connected on the through surface, so as to ensure the function of reducing the friction system and bearing the wear during the working process.
In some embodiments, the surface of the sliding track plate 1 near the sliding track 23 may also be provided with a sliding groove, the wear-resistant plate 3 is in nested fit with the sliding groove, and preferably, the thickness of the wear-resistant plate 3 is greater than the depth of the sliding groove, that is, after the wear-resistant plate 3 is disposed in the sliding groove, the wear-resistant plate 3 can be higher than the inner surface of the sliding track plate 1, so that the wear-resistant plate 3 can be attached to the guide rail 6 in the use process, and the functions of reducing the abrasion of a friction system and bearing the working process are achieved.
It can be understood that whether the wear-resisting plate 3 is nested and matched with the slideway plate 1 can be selected according to actual conditions, and the wear-resisting plate 3 and the slideway plate 1 are only required to be fixedly connected, so that friction coefficient is reduced, abrasion in a working process is born, and the setting quantity and the projection area of the wear-resisting plate 3 on the slideway plate 1 can be adjusted and set according to the actual conditions.
In some embodiments, an adjustment pad is provided between the wear plate 3 and the slideway plate 1. So as to realize the compensation of the abrasion loss of the abrasion-resistant plate.
It can be understood that the adjusting pad can be arranged at one end or two ends of the wear-resisting plate 3, and is integrally arranged in the same area or locally arranged, the relative area and position of the adjusting pad and the wear-resisting plate 3 can be adjusted according to actual conditions, and the thickness of the wear-resisting plate 3 can be adjusted and compensated only by meeting the requirement of the adjusting pad.
Example 2
As shown in fig. 3, in the top drive pulley structure of the drilling machine according to the present embodiment, on the basis of embodiment 1, the compacting plate 4 and the slideway plate 1 are in toothed connection through a toothed connection portion 41, the toothed connection portion 41 is used for crimping the slideway plate 1 on the concave molding surface 21, and the toothed connection portion 41 satisfies that the compacting plate 4 and the slideway plate 1 can be separated along the concave molding surface 21.
The utility model provides a rig top drives coaster structure, tooth portion 41 is unsmooth complex tooth structure, tooth portion 41 sets up the terminal surface at slide board 1 and pressure strip 4, and simple structure, through tooth portion 41, form the interface face between pressure strip 4 and slide board 1, can carry out the adjustment of interface shape according to actual conditions, the interface shape can be V type, trapezoidal, triangle-shaped, W type etc. make things convenient for gomphosis L type slide board 1 and can compress tightly the shape that restriction L type slide board 1 removed, as shown in fig. 6, this embodiment is with set up V type recess at slide board 1 one side terminal surface, set up the arch of adaptation at pressure strip 4 one side terminal surface, form V type interface shape and show as an example.
Example 3
As shown in fig. 1-4, in the top drive pulley structure of the drilling machine according to this embodiment, on the basis of embodiment 1, the pressing plate 4 is disposed on the edge of the sliding plate 1 adjacent to another sliding plate 1, the pressing plate 4 is disposed at the same height as the sliding plate 1, and the pressing plate 4 and the sliding plate 1 are disposed at the same thickness or with a thickness smaller than that of the sliding plate 1.
According to the top drive pulley structure of the drilling machine, the compression plate 4 is arranged at the position of the most unfavorable disassembly operation of the slide plate 1 in the top drive 2 operation process, is matched with the wing plate 22 arranged on the other side of the concave molded surface 21 relatively, stable limiting of the slide plate 1 is achieved, the installation stability of the slide plate 1 is guaranteed, movement in the use process is avoided, meanwhile, the compression plate 4 is equal to the slide plate 1 in height along the height direction of the guide rail 6, the compression force of the compression plate 4 to the slide plate 1 is balanced, so that uniform dispersion of the rotation torque of the top drive 2 is achieved, stress concentration is avoided, the service lives of the top drive 2 and the guide rail 6 are prolonged, meanwhile, the thickness of the compression plate 4 and the slide plate 1 is equal to or smaller than the thickness of the slide plate 1, after the compression plate 4 and the slide plate 1 are combined, the inner side surface of the compression plate 4, which is close to the slide 23, is communicated with the inner side surface of the slide plate 1, which is close to the slide 23, is formed into a plane, and a step structure is avoided.
It will be appreciated that in some embodiments, the length of the compacting plate 4 along the longitudinal direction of the guide rail 6 may be adjusted according to the actual situation, so that the compacting plate 4 compacts a local area of the slideway plate 1, thereby reducing the material consumption of the compacting plate 4, reducing the formation of the body, and providing the top driving pulley structure of the drilling machine with the same function and similar structure.
Example 4
As shown in fig. 5 to 8, in the top drive pulley structure of the drilling machine according to this embodiment, on the basis of embodiment 1, a second slide plate 1 through which a clockwise rotating torque of the top drive passes is pressed against the pressing plate 4, and the pressing plate 4 is disposed at an edge of the slide plate 1 adjacent to another slide plate 1.
According to the top drive pulley structure of the drilling machine, the selection setting of the compaction plate 4 is carried out according to the force transmission characteristic of the top drive 2 operation process, and the second of the clockwise rotation torque of the top drive 2 is used for mainly bearing the relative pressure of the rotation action of the top drive 2, so that the structure is more stable, the compaction plate 4 is arranged on the side-sliding road plate 1, the compaction plate 4 is acted on the compaction plate 4 through the pressure, the stable compaction of the slide plate 1 is carried out, the use stability of the slide plate 1 is ensured, and the stability of the whole structure can be ensured when the single compaction plate 4 is arranged.
Example 5
In the top drive pulley structure of the drilling machine according to this embodiment, on the basis of embodiment 1, the concave surface 21 is provided with an engaging portion 24, the engaging portion 24 is disposed between the two slide plates 1, and the slide plates 1 and/or the pressing plates 4 are in contact with the engaging portion 24.
According to the top drive pulley structure of the drilling machine, the embedded parts 24 are arranged at the bottom angle positions of the concave molded surfaces 21, the end faces of the two slide plates 1 are respectively abutted against the embedded parts 24, so that the lamination of the top drive 2 and the slide plates 1 in different directions is realized through the embedded parts 24, the lamination of the plate faces of the slide plates 1 and the concave molded surfaces 21 of the top drive 2 and the abutting lamination of the side end faces of the slide sections 1 and the top drive embedded parts 24 are realized, the torque transmitted by the rotation of the top drive 2 is further effectively transmitted, the connection structural strength of the slide plates 1 and the top drive 2 is enhanced, and the installation and use structural stability of the slide plates 1 is improved.
Example 6
A method for maintaining a top drive trolley structure of a drilling rig, comprising the top drive trolley structure of embodiments 1-5, and comprising: s1, separating the slideway plate 1 from the wing plate 22; s2, separating the slideway plate 1 from the compacting plate 4, and performing S3 or S4; s3, replacing the wear-resistant plate 3 on the slideway plate 1, re-crimping the slideway plate 1 with the compression plate 4, and connecting the slideway plate 1 with the wing plate 22; s4, transversely and relatively moving the top drive 2 and the guide rail 6, separating the top drive 2 and the guide rail 6, replacing the wear-resisting plate 3 on the slideway plate 1, resetting the top drive 2 and the guide rail 6, and then re-crimping the slideway plate 1 to the compression plate 4 to connect the slideway plate 1 with the wing plate 22.
According to the maintenance method of the top drive pulley structure of the drilling machine, when a single slideway plate 1 is in compression joint with a compression plate 4, and when the abrasion plate 3 needs to be replaced, S1 and S2 are carried out, after the slideway plate 1 in compression joint with the compression plate 4 is taken down, maintenance and reset of the abrasion plate 3 on the slideway plate 1 can be carried out; s1, S2 and S4 are carried out, the top drive 2 and the guide rail 6 are moved and separated, the wear-resistant plate 3 on the slide rail plate 1 which is not provided with the compression plate 4 for compression joint can be maintained, and then the top drive 2 and the guide rail 6 are reset, and the slide rail plate 1 is taken down for reset; when the two slideway plates 1 are in pressure equalizing connection with the compacting plates 4, the abrasion-resistant plate 3 can be maintained and reset only by taking down the slideway plates 1 in pressure equalizing connection with the compacting plates 4, namely S1 and S2.
According to the maintenance method of the top drive pulley structure of the drilling machine, the wear-resisting plate 3 is convenient to maintain, replacement of the wear-resisting plate 3 and replacement of the adjusting pad can be carried out under the condition that the top drive 2 is not put down, the working load and maintenance risk of high-altitude operation are reduced, and the use and maintenance cost of the top drive 2 are reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The top drive pulley structure of the drilling machine is characterized by comprising two slide way plates (1), wherein the two slide way plates (1) are respectively attached to an inner concave molded surface (21) arranged on a top drive (2), wing plates (22) are arranged at the edge of the inner concave molded surface (21), the two slide way plates (1) are respectively detachably connected with the wing plates (22), and a slide way (23) matched with a guide rail (6) is formed by combining; the sliding way plate (1) is detachably connected with a plurality of wear-resisting plates (3), at least one sliding way plate (1) is positioned in the inner concave surface (21), the edge of the sliding way plate is in compression joint with the compression plate (4), and the compression plate (4) is detachably connected with the inner concave surface (21).
2. A top drive trolley structure of a drilling machine according to claim 1, characterized in that the compacting plate (4) and the slideway plate (1) are toothed by means of a toothed joint (41), the toothed joint (41) being used for crimping the slideway plate (1) onto the concave profile (21), the toothed joint (41) being such that the compacting plate (4) and the slideway plate (1) can be separated along the concave profile (21).
3. A top drive trolley structure according to claim 2, characterized in that the toothing (41) comprises a concave-convex fit toothing, the toothing (41) being arranged on the end faces of the slideway plate (1) and the compacting plate (4).
4. The top drive pulley structure of a drilling machine according to claim 1, wherein the pressing plate (4) and the slideway plate (1) are arranged in equal thickness or are smaller than the slideway plate (1), the pressing plate (4) is pressed and connected with the slideway plate (1) when the slideway plate (1) is close to the edge of the other slideway plate (1), the pressing plate (4) and the slideway plate (1) are arranged in equal height, and a plurality of connecting pieces (5) for connecting the pressing plate (4) and the concave molded surface (21) are arranged along the height direction.
5. A top drive trolley structure of a drilling machine according to claim 1, characterized in that at least a second one of said slideway plates (1) through which the torque of the clockwise rotation of the top drive (2) passes is crimped to said compacting plate (4).
6. A top drive trolley structure according to claim 1, characterized in that the surface of the slide plate (1) adjacent to the slide (23) is provided as a through surface, and the wear plate (3) is attached to the through surface.
7. A top drive trolley structure for a drilling machine according to claim 1, wherein the surface of the slideway plate (1) close to the slideway (23) is provided with a chute, and the wear-resistant plate (3) is in nested fit with the chute.
8. A top drive trolley structure for a drilling rig as claimed in claim 6 or 7, characterised in that an adjustment pad is provided between the wear plate (3) and the slideway plate (1).
9. A top drive trolley structure for a drilling machine according to any one of claims 1-7, characterized in that the concave surface (21) is provided with a jogged part (24), the jogged part (24) is arranged between two slide plates (1), and the slide plates (1) and/or the compacting plates (4) are in abutment with the jogged part (24).
10. A method of maintaining a top drive trolley structure for a drilling rig, comprising the top drive trolley structure of claim 1, and comprising:
s1, separating a slideway plate (1) from a wing plate (22);
s2, separating the slideway plate (1) from the compacting plate (4), and performing S3 or S4;
s3, replacing the wear-resistant plate (3) on the slideway plate (1), and re-crimping the slideway plate (1) with the compression plate (4) to connect the slideway plate (1) with the wing plate (22);
s4, transversely and relatively moving the top drive (2) and the guide rail (6), separating the top drive (2) and the guide rail (6), replacing the wear-resisting plate (3) on the slideway plate (1), resetting the top drive (2) and the guide rail (6), and then re-crimping the slideway plate (1) to the compression plate (4) to connect the slideway plate (1) with the wing plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311364902.9A CN117449750A (en) | 2023-10-19 | 2023-10-19 | Drilling machine top drive pulley structure and maintenance method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311364902.9A CN117449750A (en) | 2023-10-19 | 2023-10-19 | Drilling machine top drive pulley structure and maintenance method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117449750A true CN117449750A (en) | 2024-01-26 |
Family
ID=89592182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311364902.9A Pending CN117449750A (en) | 2023-10-19 | 2023-10-19 | Drilling machine top drive pulley structure and maintenance method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117449750A (en) |
-
2023
- 2023-10-19 CN CN202311364902.9A patent/CN117449750A/en active Pending
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