CN105016227A - Traditional drilling drawwork - Google Patents
Traditional drilling drawwork Download PDFInfo
- Publication number
- CN105016227A CN105016227A CN201510464273.6A CN201510464273A CN105016227A CN 105016227 A CN105016227 A CN 105016227A CN 201510464273 A CN201510464273 A CN 201510464273A CN 105016227 A CN105016227 A CN 105016227A
- Authority
- CN
- China
- Prior art keywords
- well drilling
- planetary reduction
- box
- transmission well
- winch
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a traditional drilling drawwork which is compact in structure, large in transmission ratio range and stable in running. According to the technical scheme, the traditional drilling drawwork comprises a drawwork roller, a planetary reduction gearbox, a drawwork rack, a gear compound box, a motor and a coupling, wherein the motor provides power, and after the compounding of the gear compound box, the power is output by an output shaft of the gear compound box, transferred to the planetary reduction gearbox through the coupling, and then transferred to the drawwork roller through the planetary reduction gearbox.
Description
Technical field
The present invention relates to a kind of winch, particularly relate to the winch being mainly used in offshore oil drilling platform and land rig.
Background technology
As the winch of one of petroleum drilling and mining key equipment, its function provides power to hoisting system of rig exactly, completes operations such as creeping into, make a trip.Winch is mainly made up of engine, transmission device, cylinder etc.At present, the transmission device of conventional winch adopts drop-gear box to carry out direct-drive substantially, and this drop-gear box needs three grades of decelerations usually, and guarantee output torque and rotating speed meet drilling condition.And along with the increasing of drilling depth, particularly to the increasing rapidly of marine drilling platform of deep-sea and the development of ultra-deep sea, more and more large to high-power winch demand.But conventional gear winch is along with the increasing of power, volume, weight sharply increase.
Such as Fig. 1 shows the structure of traditional transmission well drilling hoist, and it forms primarily of variable-frequency motor 11, left and right drop-gear box 12, winch drum 13, coupler 14, winch frame 15 and caliper brake 16.This requires that fast line pull is the winch of 850kN, needs the variable-frequency motor of 4 858kW, by two (i=12.6) three grades of drop-gear boxs and car, just can reach its working condition requirement.Such winch net weight is about 75 ~ 80 tons, and volume is about 10.3 × 3.7 × 2.8 (m
3).Winch base floor area is 32.6 (m
2).Wherein a drop-gear box net weight is about 12 tons, and volume is 3 × 1.3 × 1.5 (m
3).Obviously, the winch of this conventional gear structure is for the limited marine drilling platform of overall dimensions, more and more inapplicable because volume, weight are too huge, also suddenly in land rig uses treats " weight reducing ".
Marine rig of today just marches towards ultra-deep sea, for adapting to the needs of marine drilling platform under the new situation, also has higher requirement to winch.Research and development novel sea boring winch, particularly research and develop lightweight, volume is little, the high-power winch of compact conformation, concerning important, imperative.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
The object of the invention is to solve the problem, provide a kind of transmission well drilling hoist, compact conformation, gear range are large, smooth running.
Technical scheme of the present invention is: present invention is disclosed a kind of transmission well drilling hoist, comprise winch drum, planetary reduction box, winch frame, gear compound box, motor and coupler, wherein motor provides power, through gear compound box and after car, power is exported by the output shaft of gear compound box, pass to planetary reduction box through coupler, then through planetary reduction box by transmission of power to winch drum.
According to an embodiment of transmission well drilling hoist of the present invention, motor can be interchange, direct current or variable-frequency motor.
According to an embodiment of transmission well drilling hoist of the present invention, transmission well drilling hoist also comprises drg.
According to an embodiment of transmission well drilling hoist of the present invention, drg is caliper brake.
According to an embodiment of transmission well drilling hoist of the present invention, gear compound box is designed to primary speed-down case, which is provided with 2 to 4 input ports and provides power for multiple electric motors.
According to an embodiment of transmission well drilling hoist of the present invention, planetary reduction box is arranged in winch drum.
According to an embodiment of transmission well drilling hoist of the present invention, planetary reduction box is designed to one-level or two-stage planetary reduction.
According to an embodiment of transmission well drilling hoist of the present invention, the drum braking dish of caliper brake and winch drum forms mechanical brake.
The present invention contrasts prior art following beneficial effect: novel transmission well drilling hoist of the present invention changes many parallel-axes gearss of routine drop-gear box into Planetary Gear Transmission, and be arranged in barrel, takes full advantage of the inner space of winch drum.Power is supplied to planetary reduction box by two one-level gear compound boxs, drives winch drum, complete power transmission by planetary reduction box.The feature of this transmission device is: 1, compact conformation, volume and quality little; 2, gear range large (i=1.13 ~ 13.7), efficiency is high; 3, smooth running, noise is low.
Accompanying drawing explanation
Fig. 1 shows the constructional drawing of traditional transmission well drilling hoist.
Fig. 2 shows the constructional drawing of the preferred embodiment of transmission well drilling hoist of the present invention.
Detailed description of the invention
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 2 shows the structure of the preferred embodiment of transmission well drilling hoist of the present invention.Refer to Fig. 2, the transmission well drilling hoist of the present embodiment comprises winch drum 21, planetary reduction box 22, winch frame 23, gear compound box 24, motor 25 and coupler 26.Motor 25 in the present embodiment is variable-frequency motors.Gear compound box 24 is designed to primary speed-down case, which is provided with 2 to 4 input ports and provides power for multiple electric motors 25, can be designed to the winch of high-power winch or high-performance band Active Compensation.Planetary reduction box 22 is arranged in winch drum 21, and is designed to one-level or two-stage planetary reduction.
Variable-frequency motor 25 provides power, and after gear compound box 24 car, power is exported by the output shaft of gear compound box 24, passes to planetary reduction box 22 through coupler 26, then through planetary reduction box 22 by transmission of power to winch drum 21.
Preferably, in the transmission well drilling hoist of the present embodiment, be also provided with drg 27, this is caliper brake 27, forms mechanical brake with the drum braking dish of winch drum 21.
The transmission well drilling hoist of the present embodiment makes full use of Planetary Gear Transmission larger than scope (i=1.13 ~ 13.7), feature that efficiency is high, two three grades of parallel shafts drop-gear boxs are substituted with a planetary reduction box, the feature little according to its compact conformation, volume and quality, be placed in winch drum 21 inner, thus make winch reduce nearly 2.7m at axial dimension.Winch base length reduces about 2.7m, and width reduces about 1.2m, and weight reduces about 1.7 tons.Planetary reduction box heavily about 3 tons, increase by two compound boxs, substance is about 2 tons, and winch base floor area is 15.2 (m
2), winch overall weight about reduces by 23.4% ~ 25%.
Can be found out by above data, under the condition of same output torque, planetary reduction box winch of the present invention, compared with parallel shafts drop-gear box winch, has less volume and lighter weight.This is also badly in need of bulk, marine drilling platform that weight demands is higher just.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (8)
1. a transmission well drilling hoist, it is characterized in that, comprise winch drum, planetary reduction box, winch frame, gear compound box, motor and coupler, wherein motor provides power, through gear compound box and after car, power is exported by the output shaft of gear compound box, passes to planetary reduction box through coupler, then through planetary reduction box by transmission of power to winch drum.
2. transmission well drilling hoist according to claim 1, is characterized in that, motor can be interchange, direct current or variable-frequency motor.
3. transmission well drilling hoist according to claim 1, is characterized in that, transmission well drilling hoist also comprises drg.
4. transmission well drilling hoist according to claim 3, is characterized in that, drg is caliper brake.
5. transmission well drilling hoist according to claim 1, is characterized in that, gear compound box is designed to primary speed-down case, which is provided with 2 to 4 input ports and provides power for multiple electric motors.
6. transmission well drilling hoist according to claim 1, it is characterized in that, planetary reduction box is arranged in winch drum.
7. transmission well drilling hoist according to claim 6, is characterized in that, planetary reduction box is designed to one-level or two-stage planetary reduction.
8. transmission well drilling hoist according to claim 4, is characterized in that, the drum braking dish of caliper brake and winch drum forms mechanical brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464273.6A CN105016227A (en) | 2015-07-31 | 2015-07-31 | Traditional drilling drawwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464273.6A CN105016227A (en) | 2015-07-31 | 2015-07-31 | Traditional drilling drawwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105016227A true CN105016227A (en) | 2015-11-04 |
Family
ID=54406613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510464273.6A Pending CN105016227A (en) | 2015-07-31 | 2015-07-31 | Traditional drilling drawwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105016227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120582A (en) * | 2020-02-25 | 2020-05-08 | 华兴智控(北京)能源有限公司 | Multi-motor-driven parallel shaft gear resultant force reduction gearbox for petroleum drilling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759984Y (en) * | 2004-12-10 | 2006-02-22 | 宝鸡石油机械有限责任公司 | Boring winch with super high power |
| CN201809100U (en) * | 2010-04-07 | 2011-04-27 | 宝鸡石油机械有限责任公司 | Two-shift petroleum drilling winch with planetary gear |
| CN102153025A (en) * | 2011-04-06 | 2011-08-17 | 北京中新图锐科技有限公司 | Winding mechanism |
| CN203173725U (en) * | 2013-04-18 | 2013-09-04 | 洛阳涧光石化设备有限公司 | Planetary speed-changing drilling rig winch for hydraulic decoking device |
| CN204848069U (en) * | 2015-07-31 | 2015-12-09 | 上海振华重工(集团)股份有限公司 | Transmission well drilling winch |
-
2015
- 2015-07-31 CN CN201510464273.6A patent/CN105016227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759984Y (en) * | 2004-12-10 | 2006-02-22 | 宝鸡石油机械有限责任公司 | Boring winch with super high power |
| CN201809100U (en) * | 2010-04-07 | 2011-04-27 | 宝鸡石油机械有限责任公司 | Two-shift petroleum drilling winch with planetary gear |
| CN102153025A (en) * | 2011-04-06 | 2011-08-17 | 北京中新图锐科技有限公司 | Winding mechanism |
| CN203173725U (en) * | 2013-04-18 | 2013-09-04 | 洛阳涧光石化设备有限公司 | Planetary speed-changing drilling rig winch for hydraulic decoking device |
| CN204848069U (en) * | 2015-07-31 | 2015-12-09 | 上海振华重工(集团)股份有限公司 | Transmission well drilling winch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120582A (en) * | 2020-02-25 | 2020-05-08 | 华兴智控(北京)能源有限公司 | Multi-motor-driven parallel shaft gear resultant force reduction gearbox for petroleum drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
|
| RJ01 | Rejection of invention patent application after publication |