CN111706272A - Detachable elevator anti-tilting device and rotary drilling rig elevator construction method - Google Patents
Detachable elevator anti-tilting device and rotary drilling rig elevator construction method Download PDFInfo
- Publication number
- CN111706272A CN111706272A CN202010323742.3A CN202010323742A CN111706272A CN 111706272 A CN111706272 A CN 111706272A CN 202010323742 A CN202010323742 A CN 202010323742A CN 111706272 A CN111706272 A CN 111706272A
- Authority
- CN
- China
- Prior art keywords
- elevator
- tilting device
- connecting plate
- detachable
- lower connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000004519 grease Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 235000014121 butter Nutrition 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- 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)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a detachable elevator anti-tilting device and a rotary drilling rig elevator construction method, and belongs to the technical field of rotary drilling rigs. The lower end of the lower connector of the elevator of the detachable elevator anti-tilting device is provided with a connecting groove in the middle, the upper end of the drill rod is provided with a connecting plate inserted into the connecting groove and hinged with the lower connector of the elevator through a hinge pin shaft, and the detachable anti-tilting device is arranged between the lower connector of the elevator and the connecting plate. The construction method of the elevator of the rotary drilling rig comprises the following steps: before the drilling work of the rotary drilling rig, the detachable anti-tilting device is arranged between the lower connecting body of the elevator and the connecting plate to prevent the elevator from tilting; and the detachable anti-tilting device is detached after the drilling is finished. The invention can change the original operation habit and installation method, can prevent the elevator from tilting caused by the overlong downward placement of the steel wire rope, ensures that the steel wire rope does not rotate along with the drill rod, and eliminates the potential safety hazard.
Description
Technical Field
The invention relates to an elevator of a rotary drilling rig and a construction method, and belongs to the technical field of rotary drilling rigs.
Background
The rotary drilling rig is a commonly used construction machine in building foundation construction and is mainly used for construction of building pile foundations. The elevator is an important part between a drill rod and a steel wire rope of the rotary drilling rig, an upper joint of the elevator is connected with the steel wire rope, a lower joint of the elevator is connected with the drill rod, the steel wire rope, the elevator and the drill rod are in a straight line during normal operation, and the upper joint and the lower joint of the elevator can rotate relatively. The elevator has two main functions, namely, the elevator transmits the lifting force of a steel wire rope to lift or lower a drill rod; and secondly, the rotation of the drill rod during working is isolated, namely, the steel wire rope is ensured not to rotate along with the rotation of the drill rod, so that the service life of the steel wire rope can be protected and prolonged. In order to realize the functions of the two points of the elevator, the vertical state between the elevator and the drill rod connecting plate is kept when the rotary drilling rig drills; if the elevator inclines relative to the drill rod connecting plate, especially when the upper joint of the elevator leans against the inner wall of the outer section of drill rod, the upper joint and the lower joint of the elevator rotate together along with the drill rod, the isolation rotation function fails, and the drill rod can drive the steel wire rope to rotate together to cause the steel wire rope to be 'stressed' or 'broken' during the drilling work of the rotary drilling rig, so that the steel wire rope is easy to damage. However, in actual operation, the steel wire rope is often longer than the actually required lowering length, so that the elevator leans against the inner wall of the outer section of drill rod by rotating and inclining around the pin shaft of the drill rod connecting plate, thereby causing the function failure of isolation rotation and generating potential safety hazards.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the detachable elevator anti-tilting device and the rotary drilling rig elevator construction method, which can change the original operation habit and installation method, prevent the elevator from tilting caused by the overlong downward lowering of the steel wire rope, ensure that the steel wire rope does not rotate along with a drill rod, and eliminate potential safety hazards.
The invention is realized by the following technical scheme: a connecting groove is formed in the middle of the lower end of a lower connector of the elevator, a connecting plate is inserted into the connecting groove and hinged with the lower connector of the elevator through a hinge pin shaft at the upper end of a drill rod, and a detachable anti-tilting device is arranged between the lower connector of the elevator and the connecting plate.
As an embodiment, the detachable anti-tilting device is a limiting block arranged between the lower end face of the lower connector of the elevator and the upper end face of the drill rod, and the limiting block is positioned on one side or two sides of the connecting plate; or the detachable anti-tilting device is an anti-rotation block positioned between the upper end of the connecting plate and the top wall of the connecting groove, and the anti-rotation block is formed by butt joint of two right-angle stop blocks with inner arcs through stop pins.
Further, the limiting block or the anti-rotation block is an elastic body or a rigid body.
As an embodiment, the detachable anti-roll device is a shaft-like locking device parallel to the axis of the hinge pin, which penetrates into the connecting groove from the outside of the lower connecting body of the elevator and is vertically inserted into the connecting plate.
Further, the shaft locking device is a locking pin or a single-side bolt, the locking pin simultaneously penetrates through pin holes in the lower connector of the elevator and the connecting plate, the single-side bolt is in threaded connection with a threaded through hole in the lower connector of the elevator, and the inner end of the single-side bolt is inserted into a concave hole in the connecting plate corresponding to the single-side bolt.
As an embodiment, the detachable anti-tilting device is characterized in that an annular elastic band or an annular rigid hoop is embedded into an annular groove formed in the lower portion of the lower connector of the elevator, and the annular rigid hoop is formed by butting two semicircular plates or is a clamp spring.
As an embodiment, the detachable anti-tilting device is a hoop sleeve wrapped on the lower portion of the lower connector of the elevator, the inner side of the hoop sleeve is tightly attached to the outer wall of the lower connector of the elevator, the hoop sleeve is formed by butt joint of two semicircular hoop sleeves, the butt joint portion of the two semicircular hoop sleeves is fastened through a bolt and nut assembly, and a limiting table is arranged inside the semicircular hoop sleeve and inserted into holes in two ends of the hinge pin shaft.
Before the drilling work of the rotary drilling rig, the detachable anti-tilting device is arranged between a lower connector and a connecting plate of the elevator to prevent the elevator from tilting; and the detachable anti-tilting device is detached after the drilling is finished.
Further, the time for installing the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the first time before the drilling work; the time for dismantling the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the last time after the drilling is finished.
The invention has the beneficial effects that: according to the invention, the detachable anti-tilting device is arranged between the lower connector of the elevator and the connecting plate, so that the elevator can be installed when a drill bit works, the original operation habit and installation method can be changed, the inclination phenomenon of the elevator caused by the overlong downward placement of the steel wire rope can be prevented, the steel wire rope is ensured not to rotate along with a drill rod, and the potential safety hazard is eliminated. The drill bit can be detached when not in work, the original structure is not damaged or excessively transformed, and the matching performance with the prior art is good.
Drawings
The invention is further illustrated below with reference to the figures and examples.
FIG. 1 is a schematic structural view of an embodiment of the cuff of the present invention;
FIG. 2 is an external view of FIG. 1;
FIG. 3 is a schematic structural view of an embodiment of an annular elastic belt;
FIG. 4 is a schematic structural view of an embodiment of an annular rigid clamp;
FIG. 5 is a schematic structural diagram of an embodiment of a stopper;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic structural view of an embodiment of an anti-rotation block;
FIG. 8 is a schematic structural view of an embodiment of the locking pin;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic structural view of an embodiment of a single-sided bolt;
fig. 11 is a sectional view a-a of fig. 10.
In the figure, 1, a lower connector of an elevator, 2, a connecting groove, 3, a connecting plate, 4, a drill rod, 5, a hinge pin shaft, 6, a limiting block, 7, an anti-rotation block, 7-1, a right-angle stopping block, 7-2, a stopping pin, 8, a locking pin, 9, a single-side bolt, 9-1, a concave hole, 10, an annular groove, 11, an annular elastic band, 12, an annular rigid hoop, 12-1, a semicircular plate, 13, a hoop sleeve, 13-1, a semicircular hoop sleeve, 13-2 and a limiting table.
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 specification, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
Techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail but are intended to be part of the specification as appropriate.
As shown in fig. 1-11, the middle of the lower end of the lower connector 1 of the elevator is provided with a connecting groove 2, the upper end of a drill rod 4 is provided with a connecting plate 3 inserted into the connecting groove 2 and hinged with the lower connector 1 of the elevator through a hinge pin 5, and a detachable anti-tilting device is arranged between the lower connector 1 of the elevator and the connecting plate 3.
As an embodiment, as shown in fig. 1-2, the detachable anti-roll device is a hoop 13 wrapped on the lower part of the lower connector 1 of the elevator, the inner side of the hoop 13 is tightly attached to the outer wall of the lower connector 1 of the elevator, the hoop 13 is formed by butting two semicircular hoops 13-1, and the butting position of the two semicircular hoops 13-1 is fastened through a bolt and nut assembly. The semicircular hoop 13-1 is internally provided with a limiting table 13-2 which is inserted into the holes at the two ends of the hinge pin shaft 5. When in use, the hoop sleeve 13 can be installed and fixed and can be detached when not in use.
As an embodiment, as shown in fig. 3-4, the detachable anti-roll device is to embed an annular elastic band 11 or an annular rigid hoop 12 into an annular groove 10 formed at the lower part of the lower connecting body 1 of the elevator, where the annular rigid hoop 12 is formed by butting two semicircular plates 12-1, or the annular rigid hoop 12 is a snap spring.
As an example, as shown in fig. 5-6, the detachable anti-tipping device is a limiting block 6 installed between the lower end surface of the lower connector 1 of the elevator and the upper end surface of the drill rod 4, and the limiting block 6 is located on one side or both sides of the connecting plate 3; or as shown in fig. 7, the detachable anti-roll device is an anti-roll block 7 positioned between the upper end of the connecting plate 3 and the top wall of the connecting groove 2, and the anti-roll block 7 is formed by butting two right-angle stop blocks 7-1 with inner arcs through stop pins 7-2.
Further, the limiting block 6 or the anti-rotation block 7 is an elastic body or a rigid body.
As an example, as shown in fig. 8-11, the detachable anti-roll device is a shaft type locking device parallel to the axis of the hinge pin 5, which is inserted into the connecting groove 2 from the outside of the lower connector 1 of the elevator and is vertically inserted into the connecting plate 3.
Further, as shown in fig. 8-9, the shaft locking device is a locking pin 8, and the locking pin 8 simultaneously passes through pin holes on the lower connector 1 and the connecting plate 3 of the elevator; as shown in fig. 10-11, the shaft locking device is a single-side bolt 9, the single-side bolt 9 is spirally connected with a threaded through hole on the lower connector 1 of the elevator, and the inner end of the single-side bolt 9 is inserted into a concave hole 9-1 on the connecting plate 3 corresponding to the single-side bolt 9.
Before the drilling work of the rotary drilling rig, a detachable anti-tilting device in the above embodiment or the similar mode is arranged between a lower connector 1 and a connecting plate 3 of the elevator to prevent the elevator from tilting; and the detachable anti-tilting device is detached after the drilling is finished.
Further, the time for installing the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the first time before the drilling work; the time for dismantling the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the last time after the drilling is finished. The rotary drilling machine has the advantages that lubricating grease needs to be filled into the elevator every shift every day when the rotary drilling machine works, the operation starts, the lower joint of the elevator and the drill rod connecting plate are fixed by doing some work during butter drilling, and the elevator can be detached again when the last butter drilling after the completion of the drilling is finished, so that the drill rod can not be influenced during assembling and disassembling.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a removable elevator anti-toppling device, has connecting groove (2) in the middle of connector (1) lower extreme under the elevator, the upper end of drilling rod (4) has connecting plate (3) to insert in connecting groove (2) and through articulated round pin axle (5) with connector (1) is articulated under the elevator, its characterized in that: a detachable anti-tilting device is arranged between the lower connector (1) of the elevator and the connecting plate (3).
2. The removable elevator anti-roll device of claim 1, wherein: the detachable anti-tilting device is a limiting block (6) arranged between the lower end face of the elevator lower connecting body (1) and the upper end face of the drill rod (4), and the limiting block (6) is positioned on one side or two sides of the connecting plate (3); or the detachable anti-tilting device is an anti-rotation block (7) positioned between the upper end of the connecting plate (3) and the top wall of the connecting groove (2), and the anti-rotation block (7) is formed by butting two right-angle stop blocks (7-1) with inner arcs through stop pins (7-2).
3. The removable elevator anti-roll device of claim 2, wherein: the limiting block (6) or the anti-rotation block (7) is an elastic body or a rigid body.
4. The removable elevator anti-roll device of claim 1, wherein: the detachable anti-tilting device is a shaft locking device parallel to the axis of the hinged pin shaft (5), and the shaft locking device penetrates into the connecting groove (2) from the outside of the lower connector (1) of the elevator and is vertically inserted into the connecting plate (3).
5. The removable elevator anti-roll device of claim 4, wherein: the shaft locking device is a locking pin (8) or a unilateral bolt (9), the locking pin (8) penetrates through pin holes in the lower connector (1) of the elevator and the connecting plate (3) simultaneously, the unilateral bolt (9) is in threaded connection with a threaded through hole in the lower connector (1) of the elevator, and the inner end of the unilateral bolt (9) is inserted into a concave hole (9-1) corresponding to the unilateral bolt (9) in the connecting plate (3).
6. The removable elevator anti-roll device of claim 1, wherein: removable anti-tilt device is in embedded annular elasticity band (11) in annular groove (10) of the lower part preparation of connector (1) under the elevator, or annular rigidity clamp (12), annular rigidity clamp (12) are formed by two semicircle boards (12-1) butt joint, or annular rigidity clamp (12) are the jump ring.
7. The removable elevator anti-roll device of claim 1, wherein: the detachable anti-tilting device is characterized in that the hoop sleeve (13) at the lower part of the lower connector (1) of the elevator is wrapped, the inner side of the hoop sleeve (13) is tightly attached to the outer wall of the lower connector (1) of the elevator, the hoop sleeve (13) is formed by butting two semicircular hoop sleeves (13-1), the butting part of the two semicircular hoop sleeves (13-1) is fastened through a bolt and nut assembly, and a limiting table (13-2) is arranged inside the semicircular hoop sleeve (13-1) and inserted into the holes at the two ends of the hinge pin shaft (5).
8. A construction method of an elevator of a rotary drilling rig is characterized by comprising the following steps: before the drilling work of the rotary drilling rig, a detachable anti-tilting device according to any one of claims 1-7 is installed between the lower connector (1) and the connecting plate (3) of the elevator to prevent the elevator from tilting; and the detachable anti-tilting device is detached after the drilling is finished.
9. The construction method of the elevator of the rotary drilling rig according to claim 8, wherein the construction method comprises the following steps: the time for installing the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the first time before the drilling work; the time for dismantling the detachable anti-tilting device is selected in the process of filling lubricating grease into the elevator for the last time after the drilling is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323742.3A CN111706272A (en) | 2020-04-22 | 2020-04-22 | Detachable elevator anti-tilting device and rotary drilling rig elevator construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323742.3A CN111706272A (en) | 2020-04-22 | 2020-04-22 | Detachable elevator anti-tilting device and rotary drilling rig elevator construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111706272A true CN111706272A (en) | 2020-09-25 |
Family
ID=72536617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010323742.3A Pending CN111706272A (en) | 2020-04-22 | 2020-04-22 | Detachable elevator anti-tilting device and rotary drilling rig elevator construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412450A (en) * | 2022-03-31 | 2022-04-29 | 中国航天建设集团有限公司 | Drilling-while-drilling inclination measuring device suitable for rotary drilling rig |
-
2020
- 2020-04-22 CN CN202010323742.3A patent/CN111706272A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412450A (en) * | 2022-03-31 | 2022-04-29 | 中国航天建设集团有限公司 | Drilling-while-drilling inclination measuring device suitable for rotary drilling rig |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2993763B2 (en) | A device that supports a driven rig directly off center of the oil well | |
| US8162045B2 (en) | Stand compensator | |
| US7490677B2 (en) | Stabbing guide adapted for use with saver sub | |
| EP1283937B1 (en) | Spinner device | |
| MX2008013745A (en) | Tubular running tool. | |
| AU2015201488B2 (en) | Swivel elevator | |
| BR102017002748A2 (en) | BREAKING TOOL ASSEMBLY FOR DRILLING EQUIPMENT AND DRILLING EQUIPMENT | |
| CN111706272A (en) | Detachable elevator anti-tilting device and rotary drilling rig elevator construction method | |
| CN105544509B (en) | Drill stem dismounting and mounting device of pile driver | |
| CN108180252A (en) | A kind of oil exploration drilling machine tool damping device | |
| CN204283251U (en) | Elevator and rotary drilling rig | |
| CN213330956U (en) | Detachable elevator anti-tilting device | |
| EP1336026B1 (en) | Power tong frames | |
| CN113073950A (en) | Under-pressure overhaul operation machine and process method for oil well, water well and gas well | |
| CN208454352U (en) | A kind of blowout preventer operator platform lifting device | |
| WO2003031766A1 (en) | Arrangement at a pipe locating assembly | |
| CN201915865U (en) | Toppling prevention device of hoisting swivel elevator of rotary drilling rig | |
| CN203050497U (en) | Rotary device and oil-water well drilling repair dynamic rotary system using same | |
| CN202227998U (en) | Core section rod of drill rod | |
| CN203879375U (en) | Protective cylinder driving device and rotary drilling rig | |
| CN207420466U (en) | The derrick of equipment is repaiied for petroleum drilling | |
| CN112761538A (en) | Rotary well cementation is with passing torsional joint | |
| CN214576821U (en) | Slip for sucker rod | |
| CN212003106U (en) | Pressure control device for balanced pressure drilling | |
| CN111472698A (en) | Pneumatic rat hole slip of oil-well rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |