CN1321256C

CN1321256C - Oil-pumping workover rig

Info

Publication number: CN1321256C
Application number: CNB2004100110205A
Authority: CN
Inventors: 金成群
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-06
Filing date: 2004-08-06
Publication date: 2007-06-13
Anticipated expiration: 2024-08-06
Also published as: CN1710248A

Abstract

The present invention provides an oil pumping and well repairing machine, which relates to an oilfield machine. The oil pumping and well repairing machine comprises a main frame, an electric control cabinet, a counterweight, a rope hanger, an oil pumping polished rod, a motor, a small gear, a big gear, a head sheave, a hoisting wheel and a reduction box, wherein the top of the counterweight is provided with a lower guide wheel and a rope hanging device; and a supporting frame platform is arranged on the top of the main frame, and an upper guide wheel, a clamping device and a fastener for a head sheave shaft are arranged on the supporting frame platform. A protection rope penetrates through the clamping device, one end of the protection rope is fastened on the circumstance of the head sheave, and the other end of the protection rope is connected with the rope hanging device. One end of an oil pumping rod rope is connected with the rope hanger, and the other end of the oil pumping rod rope is fixed on the circumstance of the head sheave. One end of a counterweight rope is connected with the rope hanging device, and the other end of the counterweight rope is fixed on the circumstance of the head sheave symmetrically in a backward and forward mode. One end of the hoisting rope is fixed on hoisting wheel, and the other end of the hoisting rope is fixed on a supporting frame for the upper guide wheel by passing round the lower guide wheel, the upper guide wheel and a hook of a movable pulley. A hanging balancer is arranged at the bottom of the main frame. The oil pumping and well repairing machine has the advantages of large oil pumping traction force, high efficiency, well repairing cost reduction by 95%, electricity saving by 30% to 50%, stable and reliable operation, high durability and easy adjustment of various technical parameters.

Description

Oil pumping workover rig

Technical field:

The present invention relates to oilfield machinery, especially relate to a kind of multi-functional oil pumping workover rig that can pump and can well workover.

Background technology:

At present, the oil field is used to pump and the machinery of well workover all is separately independently, need hang at a distance with crane during well workover and send, and the running cost that needs has been wasted manpower, financial resources and material resources widely greatly about 50,000-80,000 yuan.The patent No. is the extremely inconvenience of oil pumping workover rig well workover of ZL03236696.5, and because the wheel that its sucker rod rope and counterweight rope are ropes is wrapped in head sheave on week, the transmission of its moment of torsion is to realize by the frictional force between the two, therefore, tractive force is little, and pumping efficiency is low.

Summary of the invention:

Technical problem to be solved by this invention provides the oil pumping of a kind of collection and well workover is an one, reduces cost, and the pumping efficiency height operates steadily, reliable, durable, uses and keep in repair convenient high-performance pumping workover rig.

Technical scheme of the present invention is: it comprises main frame; electrical control cubicles; counterweight; polished rod eye; oil pumping polish rod; motor; pinion; gear wheel; head sheave; the elevator wheel; reduction box; oil pumping polish rod links to each other with polished rod eye; motor is connected with reduction box with brake through shaft coupling; gear wheel and head sheave and elevator wheel interfix; and be installed on day wheel shaft by bearing; it wheel shaft is fastening with day wheel shaft fastener; it is characterized in that: the top of counterweight is provided with lower tumbler and lanyard device; the main frame top is provided with rack platform; rack platform is provided with upper block; binding clasp; it wheel shaft fastener; pass binding clasp and be provided with the protection rope; protection rope one end is fastened on the wheel of head sheave on week; the other end connects the lanyard device; sucker rod rope one end connects polished rod eye; the other end is fixed on the wheel of head sheave on week; counterweight rope one end connects the lanyard device; symmetry is fixed on the wheel of head sheave on week before and after the other end and the sucker rod rope; one end of lift rope is fixed on the elevator wheel; the other end is walked around lower tumbler and upper block and movable pulley hook and is fixed on the upper block support, and the main frame bottom is provided with the extension weight device.

The guiding wire rope is set between main frame base and rack platform, and staggering relatively on the counterweight is provided with directive wheel, and the guiding rope cramp is between directive wheel.

Sucker rod rope of the present invention and counterweight rope are separately fixed at the wheel of head sheave on week, and oil pumping tractive force is big, the efficient height; Collection oil pumping and well workover are one, can reduce workover cost 95%, economize on electricity 40%-50%; Can reach stable working, reliable, durable by upper and lower guide wheel, maintenance and very easy to use is regulated various technical datas and is very easy to; Motor overload when protective device can prevent the disconnection of sucker rod rope is so that counterweight falls down the bump machine.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the structural representation of transmission mechanism;

Fig. 4 is the another kind of structural representation of transmission mechanism.

The specific embodiment:

With reference to Fig. 1; 2; the present invention includes main frame 11; electrical control cubicles 2; counterweight 3; polished rod eye 10; oil pumping polish rod 8; motor 19; pinion 17; gear wheel 20; head sheave 26; elevator wheel 28; reduction box 23; oil pumping polish rod 8 links to each other with polished rod eye 10; motor 19 is connected with reduction box 23 with brake 22 through shaft coupling 18; gear wheel 20 and head sheave 26 and elevator wheel 28 interfix; and be installed on day wheel shaft 24 by bearing 21; they wheel shaft 24 usefulness day wheel shaft fastener 25 is fastening; the top of counterweight 3 is provided with lower tumbler 4 and lanyard device 5; main frame 11 tops are provided with rack platform 15; rack platform 15 is provided with upper block 27; binding clasp 16; it wheel shaft fastener 25; pass binding clasp 16 and be provided with protection rope 12; protection rope 12 1 ends are fastened on the wheel of head sheave 26 on week; the other end connects lanyard device 5; sucker rod rope 13 1 ends connect polished rod eye 10; the other end is fixed on the wheel of head sheave 26 on week; counterweight rope 6 one ends connect lanyard device 5; the other end and sucker rod rope 13 front and back symmetries are fixed on the wheel of head sheave 26 on week; one end of lift rope 14 is fixed on the elevator wheel 28; the other end is walked around lower tumbler 4 and upper block 27 and movable pulley hook 9 and is fixed on the upper block support; main frame 11 bottoms are provided with and hang weight device 1; guiding wire rope 7 is set between main frame 11 bases and rack platform 15; staggering relatively on the counterweight 3 is provided with directive wheel, and guiding wire rope 7 is clipped between the directive wheel.

During oil pumping, motor 19 is positive and negative regularly rotation under the control of electrical control cubicles 2, and through

brake

22 and 23 rotations of shaft coupling 18 drive reduction boxes, the pinion 17 that links to each other with the output shaft 33 of reduction box 23 rotation that is meshed with gear wheel 20, do positive and negative rotation with the head sheave 26 that gear wheel 20 tightens together around sky wheel shaft 24, it wheel shaft 26 takes turns the fastening sucker rod rope 13 of all forward and backward symmetries and counterweight rope 6 drives oil pumping polish rod 8 respectively and counterweight 3 is done upper and lower reciprocating motion, therefore, oil pumping polish rod 8 drives oil well pump and extracts fluid.

During well workover; at first counterweight 3 is dropped on the main frame 11; with hanging weight device 1 counterweight 3 is fixed on the main frame 11 then; and going up fixing sucker rod rope 13 and counterweight rope 6 and all disengagements of protection rope 12 the wheel week of head sheave 26; and an end of lift rope 14 is fixed on the elevator wheel 28; the other end is walked around lower tumbler 4 and upper block 27 and movable pulley hook 9, finally is fixed on the upper block support.Roll or unclamp lift rope 14 when motor 19 rotates elevators wheel 28, make movable pulley hook 9 last or following, its effect is complete identical with crane hook, therefore, finishes one and save one and save land and unload or adorn oil pumping polish rod or oil pipe under the cooperation of other aid.

Protection rope 12 1 ends are fastened on the wheel of head sheave 26 on week; the other end is connected on the lanyard device 5 after passing binding clasp 16; when oil pumping polish rod 8 or 13 disconnections of sucker rod rope; motor 19 overloads under unbalanced active force; at this moment, the electromagnet of binding clasp 16 makes protection rope 6 clamped, therefore; counterweight 3 can not fall down so that produce serious bump accident, the protection entire machine.

With reference to Fig. 3, motor 19 through brakes 22, shaft coupling 18 drive the power shaft 29 of reduction boxes 23 and small cylinder gear 30 and with 31 engagements of big column gear, big column gear 31 drives bevel pinion 32 and meshes with bevel gear wheel 34, bevel gear wheel 34 drives the output shaft 33 of reduction boxes 23 and pinion 17 and is meshed with gear wheel 20, and gear wheel 20 drives head sheaves 26,28 rotations of elevator wheel.

With reference to Fig. 4, gear wheel 20 and head sheave 26, elevator wheel 28 interfix with a day wheel shaft 24, and the two ends of day wheel shaft 24 are fastened on the rack platform 15 by bearing 21 then.

Pinion 17 and gear wheel 20 are gear drive in the transmission mechanism of the present invention, also can be transmission of pin tooth or chain drive.Motor 19 directly drives reduction box 23 through shaft coupling 18, also can be motor 19 through passing to reduction box 23 after belt transmission or the chain drive.

Claims

1; a kind of oil pumping workover rig; comprise main frame (11); electrical control cubicles (2); counterweight (3); polished rod eye (10); oil pumping polish rod (8); motor (19); pinion (17); gear wheel (20); head sheave (26); elevator wheel (28); reduction box (23); oil pumping polish rod (8) links to each other with polished rod eye (10); motor (19) is connected with reduction box (23) with brake (22) through shaft coupling (18); gear wheel (20) and head sheave (26) and elevator wheel (28) interfix; and be installed on day wheel shaft (24) by bearing (21); it wheel shaft (24) is fastening with day wheel shaft fastener (25); it is characterized in that: the top of counterweight (3) is provided with lower tumbler (4) and lanyard device (5); main frame (11) top is provided with rack platform (15); rack platform (15) is provided with upper block (27); binding clasp (16); it wheel shaft fastener (25); pass binding clasp (16) and be provided with protection rope (12); protection rope (12) one ends are fastened on the wheel of head sheave (26) on week; the other end connects lanyard device (5); sucker rod rope (13) one ends connect polished rod eye (10); the other end is fixed on the wheel of head sheave (26) on week; counterweight rope (6) one ends connect lanyard device (5); symmetry is fixed on the wheel of head sheave (26) on week before and after the other end and the sucker rod rope (13); one end of lift rope (14) is fixed on the elevator wheel (28); the other end is walked around lower tumbler (4) and upper block (27) and movable pulley hook (9) and is fixed on the upper block support, and main frame (11) bottom is provided with and hangs weight device (1).

2, oil pumping workover rig according to claim 1 is characterized in that: guiding wire rope (7) is set between main frame (11) base and rack platform (15), and staggering relatively on the counterweight (3) is provided with directive wheel, and guiding wire rope (7) is clipped between the directive wheel.