CN106927382B - Well head pulley device for electronic inclinometer - Google Patents
Well head pulley device for electronic inclinometer Download PDFInfo
- Publication number
- CN106927382B CN106927382B CN201710200123.3A CN201710200123A CN106927382B CN 106927382 B CN106927382 B CN 106927382B CN 201710200123 A CN201710200123 A CN 201710200123A CN 106927382 B CN106927382 B CN 106927382B
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- China
- Prior art keywords
- joint
- connecting rod
- pulley
- wellhead
- connecting shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
Abstract
The invention discloses a wellhead pulley device for an electronic inclinometer, which comprises a joint, a connecting rod and pulleys which are sequentially connected together, wherein the joint is connected with equipment on a drilling platform at a wellhead, one end of the connecting rod is connected to the joint in a circumferential rotatable mode, the other end of the connecting rod is provided with a transverse connecting shaft, the connecting rod is of an inverted T-shaped structure, and the pulleys are connected to the connecting shaft of the connecting rod through lug plates. According to the invention, the joint, the connecting rod and the pulley are sequentially connected together, and the mode that one end of the connecting rod rotates in the circumferential direction in the joint is utilized, so that the problem of eccentric wear on the steel wire rope is effectively avoided, and the potential safety hazard is reduced.
Description
Technical Field
The invention relates to a pulley device in petroleum drilling, in particular to a wellhead pulley device for an electronic inclinometer.
Background
In the petroleum drilling engineering, the inclination measurement operation is carried out in a mode of hanging measurement by an electronic inclinometer for many times, so that the maximum well inclination, the maximum full angle change rate, the maximum bottom hole horizontal displacement and other parameters of a drilling well can meet the requirements of geological design on well body quality and SY/T5088-2008 < drilling well body quality control Specification >.
At present, the pulley device for supporting operation usually adopts a common pulley, but when the common pulley device is applied to a rotary table drilling system, a drilling tool needs to be dismounted and the pulley needs to be fixed each time, and a steel wire rope is not centered and is easy to wear and break in the process of lifting measurement, so that the potential safety hazard is high; meanwhile, when the common pulley device is applied to a top drive drilling system, the common pulley device is easy to cause longer preparation time during inclination measurement operation, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the wellhead pulley device for the petroleum drilling crane measurement is provided, which can reduce the safety risk, improve the hoisting time effect and reduce the eccentric wear of the hoisting steel wire rope for the measurement.
The technical scheme adopted by the invention is as follows: the utility model provides a well head pulley gear for electron inclinometer, well head pulley gear is including the joint, connecting rod and the pulley that link together in proper order, connect the equipment connection on the drilling platform of well head department, the one end of connecting rod is connected on the joint, the other end has horizontal connecting axle with the rotatable mode of circumference, the connecting rod is type of falling T structure, the pulley passes through the otic placode and connects on the connecting axle of connecting rod.
Further, the otic placode of pulley divide into first otic placode and second otic placode, first otic placode and second otic placode pass through the vice connection of assembling bolt on the axial both ends terminal surface of pulley, first otic placode and second otic placode extend the tip of pulley axial coverage and be used for with the connecting rod be connected.
Still further, the first ear plate or the second ear plate is of a split structure; the ear plate of the split structure mainly comprises an upper half and a lower half which are butted together, a combined ear which can be overlapped together is arranged at the outer side of the butt joint of the upper half and the lower half, and the combined ear which is overlapped together of the upper half and the lower half is locked by a pin shaft.
Further, the length of the connecting rod is larger than the axial height of the joint.
Still further, the upper end of the connecting rod is connected in the inner hole of the joint through a first locking nut.
Furthermore, the inner hole of the joint is of a conical structure with a large upper part and a small lower part, and a baffle plate with an inner edge extending into the inner hole of the joint is arranged at the end face of the bottom end of the joint; the baffles are a group and are symmetrically arranged on the end face of the bottom end of the joint.
Furthermore, a limiting boss axially extending along the connecting shaft is arranged at the T-shaped joint of the connecting rod, and the length of the limiting boss is equal to or smaller than the axial width of the pulley.
And furthermore, one end of the connecting shaft is provided with a positioning cap, the other end of the connecting shaft is provided with a thread section connected with the second locking nut, and the inner side of the positioning cap and the inner side of the thread section of the connecting shaft and the end part of the other end of the connecting rod form the top point of an isosceles triangle.
Further, the electronic inclinometer is a multi-point electronic inclinometer.
Further, the equipment on the drilling platform is a drilling square protector.
The invention has the beneficial effects that:
1. according to the invention, the joint, the connecting rod and the pulley are sequentially connected together, and the mode that one end of the connecting rod rotates in the circumferential direction in the joint is utilized, so that the problem of eccentric wear on the steel wire rope is effectively avoided, and the potential safety hazard is reduced.
2. Above-mentioned electron is wellhead pulley device for inclinometer is connected with the pulley through the transverse connection axle of the connecting rod other end, and the effectual time of tearing open, adorning when having reduced the inclinometry operation has improved and has hung the time measuring rate.
3. Above-mentioned well head pulley device for electron inclinometer is through increasing the otic placode in pulley both sides, and the effectual centering nature of having guaranteed the lifting rope when hanging time measuring has improved and has hung the time efficiency of surveying.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the joint of fig. 1.
Fig. 3 is a schematic view of the structure of the connecting rod of fig. 1.
Fig. 4 is a schematic view of the structure of the pulley of fig. 1.
The reference numbers in the figures mean: 1-a joint; 2-a connecting rod; 3, connecting a shaft; 4, a pulley; 5-a first ear plate; 6-second ear plate; 7, assembling a bolt pair; 8-a first locking nut; 9-a second lock nut; 10-a combined ear; 11-upper half; 12-the lower half; 13-baffle.
Detailed Description
Referring to fig. 1, 2, 3 and 4: the invention is mainly used for a pulley device of a multi-point electronic inclinometer during wellhead hoisting, and comprises a joint 1, a connecting rod 2 and a pulley 4 which are sequentially connected together.
The connector 1 is of a cylindrical structure, an inner hole is formed in the center of the connector, the inner hole is of a conical structure with a large upper part and a small lower part, one end of the connector 1 is connected with a drilling square on a drilling platform at a wellhead, and a baffle 13 is arranged on the end face of the other end of the connector 1; the baffles 13 are a group and are symmetrically arranged on the end surface of the bottom end of the joint 1 and extend into the inner hole of the joint 1 towards the inner edge of the joint 1.
The connecting rod 2 is of an inverted T-shaped structure, a thread section is arranged at the upper end of the connecting rod 2, a transverse connecting shaft 3 is arranged at the other end of the connecting rod 2, a limiting boss extending along the axial direction of the connecting shaft 3 is arranged at the T-shaped joint of the connecting rod 2, the upper end of the connecting rod 2 extends into an inner hole of the joint 1 and is connected through a first locking nut 8 for limiting, the connecting rod 2 can rotate in the inner hole of the joint 1 in the circumferential direction, and the length of the connecting rod 2 extending into the inner hole of the joint 1 is larger than the axial height of the joint 1; one end of a connecting shaft 3 at the other end of the connecting rod 2 in the transverse direction is provided with a positioning cap, the other end of the connecting shaft is provided with a thread section connected with a second locking nut 9, the inner side of the positioning cap and the inner side of the thread section of the connecting shaft 3 and the end part of the other end of the connecting rod 2 form the top point of an isosceles triangle, the positioning cap at one end of the connecting shaft 3, the thread section at the other end and a limiting boss at a T-shaped joint position limit the pulley 4 together, and the length of the limiting boss is equal to or less than the axial width of the pulley 4.
The pulley 4 is connected to the connecting shaft 3 of the connecting rod 2 through an ear plate, the ear plate is a first ear plate 5 and a second ear plate 6, the first ear plate 5 and the second ear plate 6 are connected to the end faces of two axial ends of the pulley 4 through a combined bolt pair 7, and the end parts of the first ear plate 5 and the second ear plate 6, which extend out of the axial coverage range of the pulley 4, are used for being connected with the connecting shaft 3 of the connecting rod 2; the first ear plate 5 or the second ear plate 6 is of a split structure, the ear plates of the split structure mainly comprise an upper half 11 and a lower half 12 which are butted together, a combined ear 10 which can be overlapped together is arranged at the outer side of the butted part of the upper half 11 and the lower half 12, and the combined ear 10 of the upper half 11 and the lower half 12 which are overlapped together is locked by a pin shaft.
The above detailed description is intended to be illustrative of the invention and not restrictive. Although the present invention has been described in detail with reference to the specific embodiments thereof, it will be understood by those skilled in the art that: the above-mentioned specific technical solutions can still be modified, or some technical features thereof can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (3)
1. The utility model provides a well head pulley gear for electron inclinometer which characterized in that: the wellhead pulley device comprises a joint (1), a connecting rod (2) and a pulley (4) which are sequentially connected together;
the inner hole of the joint (1) is of a conical structure with a large upper part and a small lower part, the joint (1) is connected with a drilling square on a drilling platform at a wellhead, a baffle (13) with an inner edge extending into the inner hole of the joint (1) is arranged at the end surface of the bottom end of the joint (1), and the baffles (13) are symmetrically arranged on one group of the end surface of the bottom end of the joint (1);
the lower end of the connecting rod (2) is provided with a transverse connecting shaft (3), the connecting rod (2) is of an inverted T-shaped structure, a T-shaped joint of the connecting rod (2) is provided with a limiting boss extending along the axial direction of the connecting shaft (3), the length of the limiting boss is equal to or less than the axial width of the pulley (4), one end of the connecting shaft (3) is provided with a positioning cap, the other end of the connecting shaft is provided with a thread section connected with a second locking nut (9), and the inner side of the positioning cap and the inner side of the thread section of the connecting shaft (3) and the end part of the other end of the connecting rod (2) form the top point of an isosceles triangle;
the upper end of the connecting rod (2) is connected in an inner hole of the joint (1) in a circumferential rotatable mode through a first locking nut (8), and the length of the connecting rod (2) is larger than the axial height of the joint (1);
on the axial both ends terminal surface of pulley (4), be connected with first otic placode (5) and second otic placode (6) through combination bolt pair (7), end connection on connecting axle (3) of connecting rod (2) that pulley (4) axial coverage is extended in first otic placode (5) and second otic placode (6).
2. The wellhead pulley device for the electronic inclinometer as claimed in claim 1, characterized in that: the first ear plate (5) or the second ear plate (6) is of a split structure; the ear plate with the split structure mainly comprises an upper half (11) and a lower half (12) which are butted together, a combined ear (10) which can be overlapped together is arranged on the outer side of the butt joint of the upper half (11) and the lower half (12), and the combined ear (10) which is overlapped together of the upper half (11) and the lower half (12) is locked by a pin shaft.
3. The wellhead pulley device for the electronic inclinometer as claimed in claim 1, characterized in that: the electronic inclinometer is a multipoint electronic inclinometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200123.3A CN106927382B (en) | 2017-03-30 | 2017-03-30 | Well head pulley device for electronic inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200123.3A CN106927382B (en) | 2017-03-30 | 2017-03-30 | Well head pulley device for electronic inclinometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106927382A CN106927382A (en) | 2017-07-07 |
| CN106927382B true CN106927382B (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710200123.3A Active CN106927382B (en) | 2017-03-30 | 2017-03-30 | Well head pulley device for electronic inclinometer |
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| Country | Link |
|---|---|
| CN (1) | CN106927382B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426632A (en) * | 1973-02-28 | 1976-03-03 | Mannesmann Leichtbau Gmbh | Device for coupling constructional material to a conveyor |
| CN2841608Y (en) * | 2005-10-11 | 2006-11-29 | 宝鸡石油机械有限责任公司 | Pulley mechanism capable of side oscillating and steering |
| CN103171979A (en) * | 2013-04-03 | 2013-06-26 | 中联重科股份有限公司 | Pulley device and tower type crane comprising pulley device |
| CN103246294A (en) * | 2013-05-06 | 2013-08-14 | 王晶慧 | Solar energy tracking device |
| CN203255891U (en) * | 2013-04-03 | 2013-10-30 | 中联重科股份有限公司 | Pulley device and tower crane comprising same |
| CN205064569U (en) * | 2015-09-16 | 2016-03-02 | 金华市希能折叠桌制造有限公司 | Folding mesa connecting piece |
| CN206606963U (en) * | 2017-03-30 | 2017-11-03 | 中石化石油工程技术服务有限公司 | Electronic clinometer well head pulley gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE882998A (en) * | 1980-04-25 | 1980-08-18 | Boomse Metaalwerken | CRANE |
-
2017
- 2017-03-30 CN CN201710200123.3A patent/CN106927382B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426632A (en) * | 1973-02-28 | 1976-03-03 | Mannesmann Leichtbau Gmbh | Device for coupling constructional material to a conveyor |
| CN2841608Y (en) * | 2005-10-11 | 2006-11-29 | 宝鸡石油机械有限责任公司 | Pulley mechanism capable of side oscillating and steering |
| CN103171979A (en) * | 2013-04-03 | 2013-06-26 | 中联重科股份有限公司 | Pulley device and tower type crane comprising pulley device |
| CN203255891U (en) * | 2013-04-03 | 2013-10-30 | 中联重科股份有限公司 | Pulley device and tower crane comprising same |
| CN103246294A (en) * | 2013-05-06 | 2013-08-14 | 王晶慧 | Solar energy tracking device |
| CN205064569U (en) * | 2015-09-16 | 2016-03-02 | 金华市希能折叠桌制造有限公司 | Folding mesa connecting piece |
| CN206606963U (en) * | 2017-03-30 | 2017-11-03 | 中石化石油工程技术服务有限公司 | Electronic clinometer well head pulley gear |
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| Publication number | Publication date |
|---|---|
| CN106927382A (en) | 2017-07-07 |
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