CN103569886A

CN103569886A - Drilling winch adopting built-in gears for variable transmission

Info

Publication number: CN103569886A
Application number: CN201310526083.3A
Authority: CN
Inventors: 王维旭; 刘静; 刘勇; 蒋合艳; 张虎山
Original assignee: Baoji Oilfield Machinery Co Ltd
Current assignee: China National Petroleum Corp; Baoji Oilfield Machinery Co Ltd; CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
Priority date: 2013-10-30
Filing date: 2013-10-30
Publication date: 2014-02-12
Anticipated expiration: 2033-10-30
Also published as: CN103569886B

Abstract

The invention discloses a drilling winch adopting built-in gears for variable transmission. According to the drilling winch, a left wall plate and a right wall plate are mounted on a base of the winch, and a roller body is arranged between the left wall plate and the right wall plate; an internal gear is arranged on the inner round surface of the roller body; a transmission shaft and an input shaft are arranged in an inner cavity of the roller body, and two ends of each of the transmission shaft and the input shaft are supported on the left wall plate and the right wall plate; one end of the input shaft extends out of the left wall plate and is in transmission connection with a motor I through a coupler I; a gear IV and a gear V are fixedly nested on the input shaft, and a gear VI and a gear VII are freely nested on the input shaft and are fixedly connected; a gear I and a gear II are freely nested on the transmission shaft respectively, an inner ring body of a gear shift mechanism is fixedly mounted on the transmission shaft, and a gear III is fixedly nested on the transmission shaft; and the gear IV and the gear I are correspondingly meshed and connected, the gear V and the gear II are correspondingly meshed and connected, the gear III and the gear VII are correspondingly meshed and connected, and the gear VI and the internal gear are correspondingly meshed and connected. The device is light in weight, small in size, high in transmission efficiency and convenient to transport.

Description

Internal speed-changing well drilling hoist

Technical field

The invention belongs to petroleum machinery equipment technical field, relate to a kind of internal speed-changing well drilling hoist.

Background technology

Conventional oil well drilling hoist is generally comprised of motor, drop-gear box, cylinder, winch base etc., by motor, drives drop-gear box, and drop-gear box drives drum rotating to carry out work.

This kind of structure is the most conventional well drilling hoist version at present, and main existing problems are: complex structure, trouble point is many, maintaining point is many, Heavy Weight, volume is large, mechanical efficiency is low, move simultaneously, buying and use cost high.

Summary of the invention

The object of this invention is to provide a kind of internal speed-changing well drilling hoist, be matched in oil-well rig, solved that existing conventional drilling winch structure is complicated, maintenance difficulty, Heavy Weight, volume is large, efficiency is low, high in cost of production problem.

The technical solution adopted in the present invention is that a kind of internal speed-changing well drilling hoist is installed with left wallboard and right wallboard on winch base;

Between left wallboard and right wallboard, be provided with barrel, the internal circular surfaces of barrel is provided with inner gear, is provided with transmission shaft and input shaft in barrel inner chamber, and the two ends of transmission shaft and input shaft are all rotatably supported on left wallboard and right wallboard; Left wallboard is stretched out in one end of input shaft, and is in transmission connection by coupler I and motor I; On input shaft, fixed cover is equipped with gear IV and gear V, on input shaft, by bearing, is set with gear VI and gear VII, and gear VI is fixedly connected with gear VII; On transmission shaft, by bearing, be set with respectively gear I, gear II, on transmission shaft, be installed with the inner ring main body of gearshift, gearshift is between gear I and gear II, the outer ring of gearshift can endwisely slip in inner ring main body, be sleeved on as required on the external tooth of gear I or on the external tooth of gear II, on transmission shaft, fixed cover is equipped with gear III in addition;

Gear IV and gear I are connected with a joggle, and gear V and gear II are connected with a joggle, and gear III and gear VII are connected with a joggle, and gear VI and inner gear are connected with a joggle.

Internal speed-changing well drilling hoist of the present invention, its feature is also:

The other end of input shaft stretches out right wallboard, and is in transmission connection by coupler II and motor II.

Gear I, gear II are all provided with a step towards one end of gearshift, all along step periphery, are provided with a circle external tooth; The inner ring main body outer round surface of gearshift is provided with external tooth, and the outer ring internal circular surfaces of gearshift is provided with internal tooth, and outer ring internal tooth and inner ring external tooth mesh and can slide vertically.

In outer, barrel two ends, be fixed with respectively left dish stop and right dish stop.

The invention has the beneficial effects as follows, compare with background technology, winch weight saving, winch volume-diminished, driving efficiency improves, and transportation removal of home is convenient.

Accompanying drawing explanation

Fig. 1 is well drilling hoist structural representation of the present invention.

In figure, 1. motor I, 2. coupler I, 3. left wallboard, 4. barrel, 5. left dish is stopped, 6. gear I, 7. gearshift, 8. gear II, 9. inner gear, 10. transmission shaft, 11. gear III, 12. right wallboards, 13. coupler II, 14. motor II, 15. gear IV, 16. input shafts, 17. gear V, 18. gear VI, 19. gear VII, 20. right dishes are stopped, 21. winch bases.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.

With reference to Fig. 1, the internal speed-changing well drilling hoist of apparatus of the present invention, is called again " well drilling hoist of built-in gear change transmission ", and its structure is,

On winch base 21, be installed with successively motor I 1, left wallboard 3, right wallboard 12 and motor II 14, left wallboard 3 and right wallboard 12 symmetrical configuration wherein, motor I 1 and motor II 14 symmetrical configuration;

Between left wallboard 3 and right wallboard 12, be provided with barrel 4, in barrel 4 outers, two ends by bolt be fixed with respectively left dish stop 5 and right dish stop 20, the internal circular surfaces of barrel 4 is provided with inner gear 9(inner gear 9 and is fixedly connected with or integral production with barrel 4), in barrel 4 inner chambers, be provided with transmission shaft 10 and input shaft 16, the two ends of transmission shaft 10 and input shaft 16 are all rotatably supported on left wallboard 3 and right wallboard 12; Left wallboard 3 is stretched out in one end of input shaft 16, and is in transmission connection by coupler I 2 and motor I 1, and the other end of input shaft 16 stretches out right wallboard 12, and is in transmission connection by coupler II 13 and motor II 14; On input shaft 16, fixed cover is equipped with gear IV 15 and gear V 17, on input shaft 16, by bearing, is set with gear VI 18 and gear VII 19, and gear VI 18 is fixedly connected with gear VII 19, one rotation; On transmission shaft 10, by bearing, be set with respectively gear I 6, gear II 8, on transmission shaft 10, be installed with the inner ring main body of gearshift 7, gearshift 7 is between gear I 6 and gear II 8, the outer ring of gearshift 7 can endwisely slip in inner ring main body, be sleeved on as required on the external tooth of gear I 6 or on the external tooth of gear II 8, on transmission shaft 10, fixed cover is equipped with gear III 11 in addition;

Gear IV 15 and gear I 6 are connected with a joggle, and gear V 17 and gear II 8 are connected with a joggle, and gear III 11 and gear VII 19 are connected with a joggle, and gear VI 18 and inner gear 9 are connected with a joggle,

Gear I 6, gear II 8 are all provided with a step towards one end of gearshift 7, all along step periphery, are provided with a circle external tooth; The inner ring main body outer round surface of gearshift 7 is provided with external tooth, and the outer ring internal circular surfaces of gearshift 7 is provided with internal tooth, and outer ring internal tooth and inner ring external tooth mesh and can slide vertically.

Barrel 4 inner with left wallboard 3, right wallboard 12 between form a space, gear I 6, gearshift 7, gear II 8, inner gear 9, transmission shaft 10, gear III 11, gear IV 15, input shaft 16, gear V 17, gear VI 18, gear VII 19, be installed in " in the space " of left wallboard 3, right wallboard 12, barrel 4 formations.

Power transmission line during apparatus of the present invention work is, the internal tooth of gearshift 7 moves to while being connected with a joggle with gear I 6 external tooths, motor I 1 and motor II 14(or any one motor) by corresponding coupler (2, 13) drive input shaft 16, power is by the engaged transmission of gear IV 15 and gear I 6, by gearshift 7, transmission of power is arrived to transmission shaft 10 again, again by the engagement of gear III 11 and gear VII 19, the engagement of gear VI 18 and inner gear 9 by transmission of power to barrel 4, rotating by motor drives barrel 4 rotations, thereby put the work of knocking off on driving rig.

Another when the present invention works power transmission line is, the internal tooth of gearshift 7 moves to while being connected with a joggle with gear II 8 external tooths, motor I 1 and motor II 14(or any one motor) by corresponding coupler (2, 13) drive input shaft 16, power is by the engagement of gear V 17 and gear II 8, by gearshift 7, transmission of power is arrived to transmission shaft 10 again, again by the engagement of gear III 11 and gear VII 19, the engagement of gear VI 18 and inner gear 9 by transmission of power to barrel 4, rotating by motor drives barrel 4 rotations, thereby put the work of knocking off on driving rig.

Article two, the conversion of power transmission line, that external tooth by gearshift 7 can horizontally slip on internal tooth, and be sleeved on the external tooth of gear I 6 or on the external tooth of gear II 8, different according to the diameter of gear I 6 or gear II 8, and the gear IV 15 of correspondence is, the diameter of gear V 17 is different, realizes the conversion of different gear transmitting ratios.

Claims

1. an internal speed-changing well drilling hoist, its feature is: on winch base (21), be installed with left wallboard (3) and right wallboard (12);

Between left wallboard (3) and right wallboard (12), be provided with barrel (4), the internal circular surfaces of barrel (4) is provided with inner gear (9), in barrel (4) inner chamber, be provided with transmission shaft (10) and input shaft (16), the two ends of transmission shaft (10) and input shaft (16) are all rotatably supported on left wallboard (3) and right wallboard (12); Left wallboard (3) is stretched out in one end of input shaft (16), and is in transmission connection by coupler I (2) and motor I (1); At the upper fixed cover of input shaft (16), gear IV (15) and gear V (17) are housed, at input shaft (16), above by bearing, are set with gear VI (18) and gear VII (19), gear VI (18) is fixedly connected with gear VII (19); At transmission shaft (10), above by bearing, be set with respectively gear I (6), gear II (8), on transmission shaft (10), be installed with the inner ring main body of gearshift (7), gearshift (7) is positioned between gear I (6) and gear II (8), the outer ring of gearshift (7) can endwisely slip in inner ring main body, be sleeved on as required on the external tooth of gear I (6) or on the external tooth of gear II (8), at the upper other fixed cover of transmission shaft (10), gear III (11) be housed;

Gear IV (15) and gear I (6) are connected with a joggle, and gear V (17) and gear II (8) are connected with a joggle, and gear III (11) and gear VII (19) are connected with a joggle, and gear VI (18) and inner gear (9) are connected with a joggle.

2. internal speed-changing well drilling hoist according to claim 1, its feature is: the other end of described input shaft (16) stretches out right wallboard (12), and is in transmission connection by coupler II (13) and motor II (14).

3. internal speed-changing well drilling hoist according to claim 1, its feature is: described gear I (6), gear II (8) are all provided with a step towards one end of gearshift (7), all along step periphery, are provided with a circle external tooth; The inner ring main body outer round surface of gearshift (7) is provided with external tooth, and the outer ring internal circular surfaces of gearshift (7) is provided with internal tooth, and outer ring internal tooth and inner ring external tooth mesh and can slide vertically.

4. internal speed-changing well drilling hoist according to claim 1, its feature is: left dish is stopped (5) and right dish is stopped (20) in described being fixed with respectively in barrel (4) outer, two ends.