CN216043591U - Self-locking device for drill rod lifter - Google Patents
Self-locking device for drill rod lifter Download PDFInfo
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- CN216043591U CN216043591U CN202023294085.9U CN202023294085U CN216043591U CN 216043591 U CN216043591 U CN 216043591U CN 202023294085 U CN202023294085 U CN 202023294085U CN 216043591 U CN216043591 U CN 216043591U
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- mounting seat
- self
- locking device
- lifter
- elevator
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Abstract
The utility model relates to a self-locking device for a drill rod lifter, which is arranged on the lifter and structurally comprises a movable lug plate and limiting devices, wherein the movable lug plate is movably arranged in the middle of the upper end of the lifter, and the limiting devices are symmetrically arranged on two sides of the lifter; the limiting device comprises a mounting seat, one end of the mounting seat is provided with a roller, the roller moves up and down along the inner side of the gantry, the other end of the mounting seat is provided with a brake sheet, the middle part of the mounting seat is provided with a bevel, and the bevel position of the mounting seat is hinged on the elevator; the lower end of the movable lug plate is in transmission connection with one end of the limiting mounting seat, which is provided with a brake sheet; the mounting seat is provided with a roller, and one end of the mounting seat is also provided with a return spring. The self-locking device is arranged on the hoisting machine of the drill rod hoisting machine, and once the hoisting machine cannot be normally hoisted and the problem of accidental falling occurs, the limiting device of the self-locking device can be started in time to prevent the hoisting machine from further falling, so that the safety performance of the hoisting machine is improved.
Description
Technical Field
The utility model relates to the field of drilling equipment, in particular to a self-locking device for a drill rod lifter.
Background
The drill rod lifter is used as a core component of the off-line drilling machine, and the lifting stroke can reach 26 m. The lifting machine is installed in vertical guide rail, and the lifting machine upper end is pull through wire rope, and then realizes that the lifting machine reciprocates along vertical guide rail. In the using process, the hoister is only dragged by the steel wire rope, and once the steel wire rope is broken, the hoister falls along the vertical guide rail to cause safety accidents.
The patent of the utility model with the application number of 202010265713.6 discloses an oil rig drill rod hoister and a drilling tool loading method thereof, and the patent discloses the oil rig drill rod hoister.
Disclosure of Invention
In order to avoid accidental falling of the hoisting machine in the process of moving up and down along the door frame, the utility model provides a self-locking device for a drill rod hoisting machine, which can timely prevent the hoisting machine from further falling relative to the door frame and improve the safety performance of the drill rod hoisting machine, and the technical purpose of the utility model is realized by the following technical scheme:
a self-locking device for a drill rod lifter is arranged on the lifter and structurally comprises a movable lug plate and limiting devices, wherein the movable lug plate is movably arranged in the middle of the upper end of the lifter, and the limiting devices are symmetrically arranged on two sides of the lifter; the limiting device comprises a mounting seat, one end of the mounting seat is provided with a roller, the roller moves up and down along the inner side of the gantry, the other end of the mounting seat is provided with a brake sheet, the middle part of the mounting seat is provided with a bevel, and the bevel position of the mounting seat is hinged on the elevator; the lower end of the movable lug plate is in transmission connection with one end of the limiting mounting seat, which is provided with a brake sheet; the mounting seat is provided with a roller, and one end of the mounting seat is also provided with a return spring.
Further, the fixed pulleys are symmetrically arranged on two sides of the lower end of the movable lug plate and are installed on the elevator, steel wire ropes are connected between the lower end of the movable lug plate and the installation seats on the two sides respectively, one end of each steel wire rope is connected with the lower end of the movable lug plate, and the other end of each steel wire rope is connected with one end, provided with a brake piece, of the installation seat after bypassing the lower portion of the fixed pulley on one side.
Furthermore, the upper end of the movable ear plate is provided with an upper blocking part, the lower end of the movable ear plate is provided with a lower blocking part, the movable ear plate is movably arranged between the upper blocking part and the lower blocking part, and a gap at the upper end of the movable ear plate penetrates through the upper blocking part.
Furthermore, two fixed pulleys are respectively arranged on two sides of the lower end of the movable ear plate, one fixed pulley is close to the lower end of the movable ear plate, and the other fixed pulley is close to the limiting device on one side.
Furthermore, guide wheels are arranged on two sides of the hoister.
Furthermore, a gantry is mounted outside the elevator, the elevator is movably mounted in the gantry, and the elevator can move up and down relative to the gantry.
Furthermore, guide rails are arranged on two sides inside the door frame, and the guide wheels move up and down along the guide rails.
Furthermore, the guide rail is a groove-shaped guide rail, and the guide wheels move in the groove-shaped guide rail.
Furthermore, the movable ear plate comprises an ear plate and a limiting block.
Compared with the prior art, the self-locking device has the beneficial effects that the self-locking device is arranged on the hoisting machine of the drill rod hoisting machine, and once the hoisting machine cannot be normally hoisted and the accidental falling problem occurs, the limiting device of the self-locking device can be started in time to prevent the hoisting machine from further falling, so that the safety performance of the hoisting machine is improved.
Drawings
Fig. 1 is a schematic view of the self-locking device for a pipe elevator of the present invention.
Fig. 2 is a state diagram of the self-locking device in normal operation of the elevator.
Fig. 3 is a state diagram of the self-locking device when the lifting machine has lifting fault.
In the figure, 1, a hoist; 2. a gantry; 3. a traction wire rope; 4. a top shift component; 5. a lower stop member; 6. a guide rail; 7. a movable ear plate; 8. a limiting block; 9. a wire rope; 10. a fixed pulley; 11. a roller; 12. a brake sheet; 13. a mounting seat; 14. a return spring; 15. a guide wheel.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
a self-locking device for a drill rod lifter is arranged on a lifter 1, the lifter 1 is arranged in a portal frame 2, a pulley block is arranged at the upper end of the portal frame, a traction steel wire rope penetrates through the pulley block, a power motor pulls the lifter to move up and down along the portal frame 2 through the traction steel wire rope 3, guide wheels 15 are symmetrically arranged on two sides of the lifter 1, guide rails 6 are arranged on the inner walls of the two sides of the portal frame 2, the guide wheels 15 move along the guide rails 6, the lifter 1 can be guaranteed to move up and down linearly along the portal frame 2, and the guide rails 6 are groove-shaped guide rails; this self-lock device is including activity otic placode 7, stop device, activity otic placode 7 can reciprocate relatively 1 of lifting machine, specifically, be equipped with fender part 4 in the upper end of activity otic placode 7, 7 lower extremes of activity otic placode are equipped with down keep off part 5, 7 movable mounting of activity otic placode are between keeping off part 4 and keep off part 5 down, 7 upper end clearances of activity otic placode pass fender part 4, the activity otic placode includes otic placode and stopper two parts, the lower extreme at the otic placode is fixed to the stopper, it stops after 7 can one section distances of rebound to move about the otic placode when drawing wire rope 3 and drawing the otic placode, the stopper is avoided the otic placode to wear out the fender part safely.
In order to guarantee that the elevator 1 can be braked in time when the traction steel wire rope 3 connected with the movable lug plate 7 is broken, limiting devices are symmetrically arranged on two sides of the elevator 1 and connected with the lower end of the movable lug plate 7, in the embodiment, a steel wire rope 9 is selected to connect the limiting devices and the movable lug plate, and once the traction steel wire rope 3 is disconnected with the movable lug plate 7, the movable lug plate 7 is short of the traction steel wire rope 3 and then triggers the limiting devices to limit.
Specifically, as shown in fig. 1-3, the limiting device includes a mounting seat 13, a roller 11 is mounted at one end of the mounting seat 13, a brake pad 12 is mounted at the other end of the mounting seat 13, the brake pad 12 is wedge-shaped, the brake pad is made of metal, such as an automobile brake pad, and generally comprises a steel plate, a bonding heat-insulating layer and a friction block, and lines are arranged on the surface of the brake pad to increase the surface roughness and the friction coefficient; the middle part of the mounting seat 13 is provided with a bevel, the bevel position is hinged on the lifter 1, and the bevel position is hinged to form a fulcrum of the lever; the steel wire rope 9 at the lower end of the movable lug plate 7 is connected with one end of the mounting seat 13 provided with a brake sheet, and the end of the mounting seat 13 provided with the roller 11 is provided with a return spring 14. When the movable lug plate 7 is pulled by the pulling steel wire rope 3, the steel wire rope 9 pulls the mounting seat 13 to rotate along the bevel position, so that the roller 11 is attached to the guide rail 6 on the inner side of the gantry, and the return spring 14 is in a stretching state at the moment, as shown in fig. 2; when the traction steel wire rope 3 is disconnected with the movable lug plate 7, the movable lug plate 7 is separated from the traction of the traction steel wire rope 3, the reset spring 14 contracts to pull the mounting seat 13 to reversely rotate along the bevel position, so that the roller 11 is separated from the guide rail, one end of the mounting seat 13, which is provided with the brake piece 12, abuts against the guide rail 6, and as shown in fig. 3, the brake is realized by the friction between the brake piece 12 and the guide rail 6.
In order to ensure that the steel wire rope 9 between the movable ear plate 7 and the limiting device can smoothly run, the fixed pulleys 10 are symmetrically arranged on two sides of the lower end of the movable ear plate, two fixed pulleys 10 are respectively arranged on two sides of the lower end of the movable ear plate 7 in the embodiment, one fixed pulley is close to the lower end of the movable ear plate 7, the other fixed pulley is close to the limiting device on one side, the direction of the steel wire rope 9 is changed through the arrangement of the fixed pulleys 10, and the steel wire rope is prevented from rubbing other structures or being clamped.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (9)
1. The self-locking device for the drill rod lifter is arranged on the lifter and is characterized by comprising a movable lug plate and limiting devices, wherein the movable lug plate is movably arranged in the middle of the upper end of the lifter, and the limiting devices are symmetrically arranged on two sides of the lifter; the limiting device comprises a mounting seat, wherein one end of the mounting seat is provided with a roller, the roller moves up and down along the inner side of the door frame, the other end of the mounting seat is provided with a brake sheet, the middle part of the mounting seat is provided with a bevel, and the bevel position of the mounting seat is hinged on the elevator; the lower end of the movable lug plate is in transmission connection with one end of the limiting mounting seat, which is provided with a brake sheet; the mounting seat is equipped with gyro wheel one end and still is equipped with reset spring.
2. The self-locking device for the drill rod elevator as claimed in claim 1, wherein the fixed pulleys are symmetrically arranged on two sides of the lower end of the movable lug plate, the fixed pulleys are mounted on the elevator, steel wire ropes are respectively connected between the lower end of the movable lug plate and the mounting seats on two sides of the lower end of the movable lug plate, one end of each steel wire rope is connected with the lower end of the movable lug plate, and the other end of each steel wire rope is connected with one end of the mounting seat, which is provided with the braking piece, after bypassing the lower part of the fixed pulley on one side.
3. The self-locking device for the drill rod lifter as claimed in claim 2, wherein the upper end of the movable ear plate is provided with an upper stop part, the lower end of the movable ear plate is provided with a lower stop part, the movable ear plate is movably arranged between the upper stop part and the lower stop part, and the upper end of the movable ear plate passes through the upper stop part in a gap.
4. The self-locking device for the drill rod lifter as claimed in claim 3, wherein two fixed pulleys are respectively arranged on two sides of the lower end of the movable lug plate, one fixed pulley is close to the lower end of the movable lug plate, and the other fixed pulley is close to the limiting device on one side.
5. The self-locking device for a drill pipe elevator as claimed in any one of claims 1 to 4, wherein guide wheels are further provided on both sides of the elevator.
6. The self-locking device for the drill pipe elevator as claimed in claim 5, wherein the elevator is externally provided with a gantry, the elevator is movably mounted in the gantry, and the elevator can move up and down relative to the gantry.
7. The self-locking device for the drill pipe lifter as claimed in claim 6, wherein the gantry is provided with guide rails on both sides of the inside thereof, and the guide wheels move up and down along the guide rails.
8. The self-locking device for a pipe lifter as claimed in claim 7, wherein the guide rail is a grooved rail, and the guide wheel moves along the grooved rail.
9. The self-locking device for the drill pipe lifter according to claim 1 or 3, wherein the movable lug comprises a lug and a stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023294085.9U CN216043591U (en) | 2020-12-30 | 2020-12-30 | Self-locking device for drill rod lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023294085.9U CN216043591U (en) | 2020-12-30 | 2020-12-30 | Self-locking device for drill rod lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043591U true CN216043591U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023294085.9U Active CN216043591U (en) | 2020-12-30 | 2020-12-30 | Self-locking device for drill rod lifter |
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| Country | Link |
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| CN (1) | CN216043591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814589A (en) * | 2020-12-30 | 2021-05-18 | 中曼石油装备集团有限公司 | Self-locking drill rod elevator |
-
2020
- 2020-12-30 CN CN202023294085.9U patent/CN216043591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814589A (en) * | 2020-12-30 | 2021-05-18 | 中曼石油装备集团有限公司 | Self-locking drill rod elevator |
| CN112814589B (en) * | 2020-12-30 | 2024-01-26 | 中曼石油装备集团有限公司 | Self-locking type drill rod lifter |
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