CN112145088A - Rotary drilling rig and guide pulley frame thereof - Google Patents
Rotary drilling rig and guide pulley frame thereof Download PDFInfo
- Publication number
- CN112145088A CN112145088A CN202011164581.4A CN202011164581A CN112145088A CN 112145088 A CN112145088 A CN 112145088A CN 202011164581 A CN202011164581 A CN 202011164581A CN 112145088 A CN112145088 A CN 112145088A
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- CN
- China
- Prior art keywords
- guide pulley
- main
- pulley
- main hoisting
- shaft
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/50—Features essential to rope pulleys
Abstract
The invention discloses a rotary drilling rig and a guide pulley frame thereof, which comprise a main hoisting guide pulley shaft and a main hoisting guide pulley, wherein the main hoisting guide pulley can be arranged on the main hoisting guide pulley shaft in a sliding manner along the axial direction of the pulley shaft, and the axial direction of the main hoisting guide pulley shaft is provided with a sliding stroke for the main hoisting guide pulley shaft to slide in a reciprocating manner. When the rope is used, the rope body is arranged on the main hoisting guide pulley, and under the action of the rope body, the main hoisting guide pulley rotates and meanwhile, the pulley is arranged on the main hoisting guide pulley shaft along the axis direction of the main hoisting guide pulley shaft. In the direction sliding support that this application provided, because main hoist guide pulley can slide along its axis direction in predetermineeing the sliding stroke, reduce the wear rate of the rope body and main hoist guide pulley, and then improve main hoist guide pulley's life.
Description
Technical Field
The invention relates to the technical field of pulley guiding, in particular to a guiding pulley frame of a rotary drilling rig. The invention also relates to a rotary drilling rig comprising the guide pulley frame.
Background
A guide pulley frame of the rotary drilling rig is an important part arranged on a mast of the drilling rig, and a guide pulley is arranged on the guide pulley frame and used for changing the motion direction of a steel wire rope of a main winch. The guide pulley frame is an important supporting component for lifting and descending the drilling tool and hoisting objects. For example, the market of rotary drilling rigs of large tonnage and ultra large tonnage is expanding in recent years.
The swinging and rotating type guide pulley frame of the drilling machine generally comprises the following components: pulley component, pulley support frame, rope guide pipe, gyration support, rotary mechanism, rotation axis, link. The pulley support frame mainly comprises a bush 03, a main hoisting guide pulley 01, a main hoisting guide pulley shaft 02, a pulley frame and the like.
After the main hoisting guide pulley 01 is matched with the bush 03, the main hoisting guide pulley can slide and rotate on the main hoisting guide pulley shaft 02, so that the guide of the main hoisting steel wire rope is realized. The main hoisting guide pulley shaft 02 is fixed on a pulley yoke, the pulley yoke is connected with a slewing bearing, the whole pulley yoke can rotate, and meanwhile, a limiting block is arranged on the pulley yoke to limit the rotating range. Meanwhile, the slewing bearing is connected with the base, and the base is fixed on the mast through a pin shaft.
The limited sliding range of the pulley is limited, the abrasion speed of the pulley rope groove is high, and finally, the frequency of replacing the pulley is increased due to the fact that the abrasion rate of the pulley rope groove is high.
Therefore, how to prolong the service life of the main hoisting guide pulley is a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a guide pulley frame of a rotary drilling rig, which aims to prolong the service life of a guide pulley of a main winch. The invention further aims to provide a rotary drilling rig comprising the guide pulley frame.
In order to achieve the purpose, the invention provides a guide pulley frame of a rotary drilling rig, which comprises a main hoisting guide pulley shaft and a main hoisting guide pulley, wherein the main hoisting guide pulley can be arranged on the main hoisting guide pulley shaft in a sliding manner along the axis direction of the main hoisting guide pulley shaft, and the axis direction of the main hoisting guide pulley shaft is provided with a sliding stroke for the main hoisting guide pulley shaft to slide in a reciprocating manner.
Preferably, the main hoisting guide pulley is mounted on the main hoisting guide pulley shaft through a shaft sleeve, and the shaft sleeve is slidably connected with the main hoisting guide pulley shaft.
Preferably, the shaft sleeve is a wear-resistant shaft sleeve, and/or the inner wall of the shaft sleeve (3) is provided with a wear-resistant layer.
Preferably, an oil outlet of the main winch guide pulley shaft is connected to a first lubricating oil channel on the side wall of the shaft sleeve.
Preferably, the shaft sleeve is detachably connected with the main hoisting guide pulley.
Preferably, both sides of the axis direction of the main hoisting guide pulley are provided with baffle plates detachably connected with the main hoisting guide pulley, and the inner walls of the baffle plates are abutted to the shaft sleeve.
Preferably, the sliding stroke is 700mm to 900 mm.
Preferably, the mast device further comprises a main pulley frame, an auxiliary winding pulley sliding frame and an auxiliary winding guide pulley arranged on the auxiliary winding sliding frame, wherein the main winding guide pulley is rotatably arranged on the main pulley frame, a first rope blocking device is arranged on the main pulley frame and is positioned between the main winding guide pulley and the auxiliary winding guide pulley, the main pulley frame is fixedly connected with the auxiliary winding pulley sliding frame, and the main pulley frame and the auxiliary winding pulley sliding frame are fixed relative to the mast.
Preferably, the rope winding device further comprises a second rope retaining device and a pressurizing winding guide pulley, wherein the second rope retaining device and the pressurizing winding guide pulley are both arranged on the auxiliary winding pulley frame, and the second rope retaining device is located between the pressurizing winding guide pulley and the auxiliary winding guide pulley.
A rotary drilling rig comprises a guide pulley frame, wherein the guide pulley frame is any one of the guide pulley frames.
In the technical scheme, the guide pulley frame of the rotary drilling rig provided by the invention comprises a main hoisting guide pulley shaft and a main hoisting guide pulley, wherein the main hoisting guide pulley can be arranged on the main hoisting guide pulley shaft in a sliding manner along the axial direction of the pulley shaft, and the axial direction of the main hoisting guide pulley shaft is provided with a sliding stroke for the main hoisting guide pulley shaft to slide in a reciprocating manner. When the rope is used, the rope body is arranged on the main hoisting guide pulley, and under the action of the rope body, the main hoisting guide pulley rotates and meanwhile, the pulley is arranged on the main hoisting guide pulley shaft along the axis direction of the main hoisting guide pulley shaft.
According to the guide sliding support, the main hoisting guide pulley can slide along the axis direction in the preset sliding stroke, so that the wear rate of the rope body and the main hoisting guide pulley is reduced, and the service life of the main hoisting guide pulley is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a conventional guide sheave frame;
fig. 2 is a schematic structural diagram of a guide pulley frame according to an embodiment of the present invention;
fig. 3 is a side view of a guide pulley frame provided by an embodiment of the present invention.
Wherein in FIGS. 1-3: 01-main hoisting guide pulley, 02-main hoisting guide pulley shaft and 03-shaft sleeve;
1-main hoisting guide pulley, 2-main hoisting guide pulley shaft, 3-shaft sleeve, 4-first lubricating oil channel, 5-baffle, 6-lubricating oil inlet, 7-first rope retaining device, 8-auxiliary hoisting guide pulley, 9-auxiliary hoisting pulley shaft, 10-pressurization hoisting guide pulley, 11-pressurization hoisting pulley shaft, 12-auxiliary hoisting pulley carriage, 13-second rope retaining device and 14-main pulley frame.
Detailed Description
The core of the invention is to provide a guide pulley frame of a rotary drilling rig so as to prolong the service life of a guide pulley of a main winch. The other core of the invention is to provide a rotary drilling rig comprising the guide pulley frame.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 3.
In a specific implementation manner, the guide pulley frame of the rotary drilling rig according to the specific embodiment of the present invention includes a main hoisting guide pulley shaft 2 and a main hoisting guide pulley 1, the main hoisting guide pulley 1 can be slidably disposed on the main hoisting guide pulley shaft 2 along an axial direction of the pulley shaft, and a sliding stroke for the main hoisting guide pulley shaft 2 to slide back and forth is disposed on the main hoisting guide pulley shaft 2 along the axial direction. The sliding stroke is the distance from the main hoisting guide pulley 1 to the limit positions at the two ends of the main hoisting guide pulley shaft 2. Specifically, the sliding stroke is 650mm to 950mm, preferably 700mm to 900mm, and more preferably 790 mm.
When the rope is used, the rope body is arranged on the main hoisting guide pulley 1, and under the action of the rope body, the main hoisting guide pulley 1 rotates and simultaneously pulleys are arranged on the main hoisting guide pulley shaft 2 along the axial direction of the main hoisting guide pulley shaft 2.
In the guide pulley frame provided by the application, the sliding range of the guide pulley 1 of the main winch, the rope outlet angle of the main winch and the installation position of the main winch can be obtained through comprehensive calculation.
As can be seen from the above description, in the guide sliding bracket provided in the embodiment of the present application, since the main hoisting guide pulley 1 can slide along the axis direction thereof within a preset sliding stroke, the wear rate between the rope body and the main hoisting guide pulley 1 is reduced, and the service life of the main hoisting guide pulley 1 is further prolonged.
On the other hand, the use of the guide sliding support can prolong the service life of the main winding steel wire rope, delay the wear rate of the steel wire rope and the main winding guide pulley 1 and reduce the maintenance cost.
The main hoisting guide pulley 1 is arranged on a main hoisting guide pulley shaft 2 through a shaft sleeve 3, and the shaft sleeve 3 is in sliding connection with the main hoisting guide pulley shaft 2. Specifically, the shaft sleeve 3 is embedded in the main hoisting guide pulley 1.
In order to prolong the service life of the shaft sleeve 3, preferably, the shaft sleeve 3 is a wear-resistant shaft sleeve. The shaft sleeve 3 is made of alloy components, so that the shaft sleeve has certain plasticity, and metal powder generated by mutual friction between the shaft sleeve and the pulley shaft can be prevented. When the main hoisting guide pulley 1 moves back and forth in the working state, the force transmitted to the shaft sleeve promotes the main hoisting guide pulley to generate micro deformation, so that the main hoisting guide pulley 1 can slide on the main hoisting guide pulley shaft 2 more favorably, and the friction resistance is reduced.
Specifically, the base material of the shaft sleeve is CuZn25AL6Mn4, and the hardness of the material is 210 HB-250 HB.
Specifically, the inner wall of the shaft sleeve 3 is provided with a wear-resistant layer. Specifically, a layer of copper is electroplated on the inner surface of the shaft sleeve 3 to form an electroplated copper layer as a wear-resistant layer.
In order to further prolong the service life of the shaft sleeve 3, preferably, the main hoisting guide pulley shaft 2 is provided with a first lubricating oil channel 4 of which the oil outlet is connected to the side wall of the shaft sleeve. Specifically, the lubricant inlet 6 of the first lubricant passage 4 is plugged by a plug detachably connected thereto. Through setting up first lubricating oil passageway 4, through injecting lubricating oil in to first lubricating oil passageway 4 for lubricating oil in the first lubricating oil passageway 4 flows to wear-resisting axle sleeve position, and then gets into the surface of axle sleeve and the contact of main hoist guide pulley axle 2. In order to enhance the lubricating effect, it is preferable that the number of the first lubricating oil passages 4 is at least two, and the first lubricating oil passages 4 are radially distributed around the axis of the main hoisting guide pulley shaft 2.
Preferably, the axle sleeve can be dismantled with main hoist guide pulley 1 and be connected, and is specific, and the outer wall of axle sleeve can be in the draw-in groove of 1 inner wall of main hoist guide pulley through protruding joint.
In a specific embodiment, baffle plates 5 detachably connected with the main hoisting guide pulley 1 are arranged on two sides of the main hoisting guide pulley 1 in the axis direction, and the inner walls of the baffle plates 5 are abutted to shaft sleeves. Specifically, the baffle 5 is mounted on the main hoisting guide pulley 1 by a threaded fastener.
The utility model provides a rotary drilling rig's guide pulley frame still includes main pulley frame, vice reel pulley balladeur train and installs the vice reel guide pulley 8 on vice reel sliding frame, and is concrete, and vice reel guide pulley 8 is installed on vice reel sliding frame through vice reel pulley axle 9, and as required, vice reel guide pulley 8 can follow its endwise slip and set up on vice reel pulley axle 9.
The main hoist guide pulley 1 is rotatable to be installed at the main pulley yoke, be equipped with first rope blocking device 7 on the main pulley yoke, first rope blocking device 7 is located between main hoist guide pulley 1 and the vice hoist guide pulley 8, main pulley yoke and vice reel pulley balladeur train fixed connection, it is concrete, the main pulley yoke, vice reel pulley balladeur train can directly link to each other with the base, the base passes through the round pin hub fixation on the mast, no longer use the gyration to support in the guide pulley yoke, main hoist guide pulley 1 only does the back and forth sliding motion on main hoist guide pulley axle 2, no swing. The whole weight of this application is lighter, has improved the safety and stability nature of complete machine.
In one embodiment, the guide pulley frame further comprises a second rope stopping device and a pressurizing winch guide pulley 10, wherein the second rope stopping device and the pressurizing winch guide pulley 10 are both arranged on the auxiliary roller frame, in particular, the pressurizing winch guide pulley 10 is arranged on the auxiliary roller frame through a pressurizing roller shaft 11, and in one embodiment, the pressurizing winch guide pulley 10 is arranged on the pressurizing roller shaft 11 in a sliding mode along the axis of the pressurizing winch guide pulley 10. The second rope stopping device is positioned between the pressurized hoisting guide pulley 10 and the auxiliary hoisting guide pulley 8. Specifically, the pressure hoisting guide pulley 10 and the auxiliary hoisting guide pulley 8 may be mounted on the corresponding pressure hoisting pulley shaft 11 and the auxiliary hoisting pulley shaft 9 through the same shaft sleeve structure as the shaft sleeve 3, and the pressure hoisting guide pulley 10 and the auxiliary hoisting guide pulley may move and rotate on the corresponding pressure hoisting pulley shaft 11 and the auxiliary hoisting pulley shaft 9 after the cooperation.
The application provides a rotary drilling rig, including the guide pulley frame, wherein the guide pulley frame is any one of above-mentioned guide pulley frame. The foregoing describes a specific structure of the guide pulley frame, and the present application includes the above-mentioned guide pulley frame, which also has the above-mentioned technical effects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The guide pulley frame of the rotary drilling rig is characterized by comprising a main hoisting guide pulley shaft (2) and a main hoisting guide pulley (1), wherein the main hoisting guide pulley (1) can be arranged on the main hoisting guide pulley shaft (2) in a sliding mode along the axis direction of the main hoisting guide pulley shaft, and a sliding stroke for the main hoisting guide pulley shaft (2) to slide in a reciprocating mode is arranged in the axis direction of the main hoisting guide pulley shaft (2).
2. The guide pulley frame of the rotary drilling rig according to claim 1, wherein the main hoisting guide pulley (1) is mounted on the main hoisting guide pulley shaft (2) through a shaft sleeve (3), and the shaft sleeve (3) is slidably connected with the main hoisting guide pulley shaft (2).
3. The guide pulley frame of the rotary drilling rig according to claim 2, wherein the shaft sleeve (3) is a wear-resistant shaft sleeve, and/or a wear-resistant layer is arranged on the inner wall of the shaft sleeve (3).
4. The guide pulley frame of the rotary drilling rig according to claim 2, wherein a first lubricating oil channel (4) with an oil outlet connected to the side wall of the shaft sleeve is arranged on the main hoisting guide pulley shaft (2).
5. The guide pulley frame of the rotary drilling rig according to claim 2, wherein the shaft sleeve (3) is detachably connected with the main hoisting guide pulley (1).
6. The guide pulley frame of the rotary drilling rig according to claim 5, wherein baffles (5) detachably connected with the main hoisting guide pulley (1) are arranged on two sides of the main hoisting guide pulley (1) in the axial direction, and the inner walls of the baffles (5) are abutted to the shaft sleeve (3).
7. The guide pulley frame of the rotary drilling rig according to claim 1, wherein the sliding stroke is 700mm-900 mm.
8. The guide pulley frame of the rotary drilling rig according to claim 1, further comprising a main pulley frame, an auxiliary winding pulley carriage and an auxiliary winding guide pulley (8) mounted on the auxiliary winding carriage, wherein the main winding guide pulley (1) is rotatably mounted on the main pulley frame, a first rope blocking device (7) is arranged on the main pulley frame, the first rope blocking device (7) is located between the main winding guide pulley (1) and the auxiliary winding guide pulley (8), the main pulley frame is fixedly connected with the auxiliary winding pulley carriage, and the main pulley frame and the auxiliary winding pulley carriage are fixed relative to a mast.
9. The guide pulley frame of the rotary drilling rig according to claim 8, further comprising a second rope stopping device and a pressurized hoisting guide pulley (10), wherein the second rope stopping device and the pressurized hoisting guide pulley (10) are both mounted on the auxiliary winding pulley frame, and the second rope stopping device is located between the pressurized hoisting guide pulley (10) and the auxiliary hoisting guide pulley (8).
10. A rotary drilling rig comprising a guide pulley frame, wherein the guide pulley frame is according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011164581.4A CN112145088A (en) | 2020-10-27 | 2020-10-27 | Rotary drilling rig and guide pulley frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011164581.4A CN112145088A (en) | 2020-10-27 | 2020-10-27 | Rotary drilling rig and guide pulley frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112145088A true CN112145088A (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011164581.4A Pending CN112145088A (en) | 2020-10-27 | 2020-10-27 | Rotary drilling rig and guide pulley frame thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112145088A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983299A (en) * | 2021-05-17 | 2021-06-18 | 徐州徐工基础工程机械有限公司 | Combined steel wire rope guide mechanism of rotary drilling rig |
-
2020
- 2020-10-27 CN CN202011164581.4A patent/CN112145088A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983299A (en) * | 2021-05-17 | 2021-06-18 | 徐州徐工基础工程机械有限公司 | Combined steel wire rope guide mechanism of rotary drilling rig |
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