CN201269056Y

CN201269056Y - Telescopic arm

Info

Publication number: CN201269056Y
Application number: CNU2008201488493U
Authority: CN
Inventors: 王群仓; 焦文强; 焦国战; 田文卫; 陈培朝; 王永明
Original assignee: PUYANG ZHONGYUAN RESTAR PETROLEUM EQUIPMENT CO Ltd
Current assignee: PUYANG ZHONGYUAN RESTAR PETROLEUM EQUIPMENT CO Ltd
Priority date: 2008-08-29
Filing date: 2008-08-29
Publication date: 2009-07-08
Anticipated expiration: 2018-08-29

Abstract

The utility model relates to a telescopic moving tool for an iron driller used for an oilfield, which overcomes the disadvantages existing in other technologies, and is formed by the connection of a rotary chassis, a lifting upright column, a lifting plate, a telescopic hydraulic cylinder, a supporting arm, a supporting arm accessory plate, a middle connecting plate, a chain plate, a connecting plate fixing frame, a pliers body fixing frame, a lifting fixing plate, a lifting hydraulic cylinder, a road wheel, a rotary supporting inside wheel, a rotary supporting outside wheel, a drive gear and a hydraulic motor. The utility model has the significance that the self-lubrication characteristic of a sliding bearing is utilized to save more time than a presently used iron driller with the telescopic arm needed to be lubricated per shift in, and the phenomenon that drilling equipment is worn because of untimely manual lubrication cannot occur; a parallelogram structure enables a jaw to horizontally move to ensure the stability of the jaw, and the axis of the jaw and the axis of a pipe string are consistent, thereby the jaw and the pipe string are convenient and successful to screw when being rotationally screwed; the chassis of the telescopic arm realizes rotation with 360 DEG by rotary support of a rolling bearing structure, the hydraulic motor and the rotary gear, thereby the manpower resource is saved.

Description

Telescopic arm

One, technical field: the utility model relates to a kind of oil field tubing string torsion tonger, especially telescopic arm.

Two, background technology: various types of telescopic arm has been equipped with and has been used in oil well drilling process and oil pipe control operation process, when tightening or unload loose drilling rod, need connect, drill collar connects, it can tighten or unload loose tubing string with the parallel jaw that moves to of the good height of adjusted when sleeve pipe connected, with regard to telescopic arm, the power cylinder of corresponding outfit with it can be used for stretching and lifting, being used for translation and lifting jaw according to job requirement tightens and unloads loose tubing string and be connected, but at present general telescopic arm needs to adjust at the volley height, height and the bad accurate assurance of jaw position, cause and regulate the speed in the work slowly, job schedule is unhappy.

Three, summary of the invention: the purpose of this utility model provides a kind of telescopic arm that is used for mobile drilling well tubing string torsion pincers tonger iron driller, it has overcome the shortcoming that other technology exists, the purpose of this utility model is to realize like this, it is by swivel base, lifting column, lifter plate, telescopic hydraulic cylinder, support arm, the caliper fixed mount, the lifting fixed head, lifting hydraulic cylinder, road wheel, the support arm subplate, middle web, carrier bar, the web fixed mount, wheel in revolution is supported, foreign steamer is supported in revolution, driven wheel and hydraulic motor are formed by connecting, telescopic arm is by middle web by four support arms, carrier bar and web fixed mount are connected and constitute two parallelogram sturcutres on the support arm subplate, one group of parallelogram is hinged on telescopic hydraulic cylinder rodless cavity one end and the lifter plate, another group is by being bolted on the caliper fixed mount, the flexible parallelogram that support arm connects into, the purpose of the propelling movement caliper that is up to the standard of driving of hydraulic cylinder.Telescopic arm is formed by connecting by the rotation supporting structure of parallelogram sturcutre, lifting structure and the base of support arm, it is hinged on rodless cavity one side of telescopic hydraulic cylinder near an end of lifting column end support arm, one end of another support arm is hinged on the top of lifter plate, a side of web in the middle of the other end of two support arms is connected by pin and jack; One end of lower right side support arm is hinged on the lower end of caliper fixed mount, one end of upper right side support arm is hinged on the upper end of caliper fixed mount, the opposite side of web in the middle of the other end of two support arms is connected by pin and jack, on middle web by the two parallelogram sturcutres of carrier bar and the hinged formation of support arm subplate, fixing parallelogram sturcutre on the web in the middle of the web fixed mount is welded on can be realized the synchronization action of two structures; The lifting fixed head is by being bolted on lifting hydraulic cylinder and the lifting column, and four road wheels of each installation straggly in the fluctuating orbit both sides to determine the telescopic arm vertical motion, are stablized and do not rocked the safety factor height; Wheel linked with foreign steamer in the revolution that is made of rolling bearing in the swivel base of telescopic arm was supported, gear supports the foreign steamer key with revolution and is connected, by fluid motor-driven gear driven revolution support foreign steamer and revolution support in wheel can do rotation at any angle, make things convenient for the operation of iron driller at diverse location.

The beneficial effects of the utility model are to utilize the telescopic arm that needs per tour to be lubricated in the present iron driller that uses of the feasible ratio of self-lubricating characteristics of sliding bearing to save time, and the phenomenon because of the untimely wearing and tearing drilling tool of manual application of lubricant equipment can not occur; Parallelogram sturcutre moves horizontally jaw, guarantees the stability of jaw, and the axle center of jaw and tubing string is consistent, conveniently screws smoothly when spinner; 360 rotations of spending are realized by revolution support, hydraulic motor and the swing pinion of rolling bearing structure in the chassis of telescopic arm, save manpower.

Four, description of drawings: Fig. 1 is the overall structure schematic diagram of telescopic arm, among the figure 1, swivel base 2, lifting column 3, lifter plate 4, telescopic hydraulic cylinder 5, support arm 10, caliper fixed mount

Fig. 2 is the lifting structure schematic diagram, among the figure 2, lifting column 3, lifter plate 11, lifting fixed head 12, lifting hydraulic cylinder 13, road wheel

Fig. 3 is the schematic diagram of parallelogram sturcutre junction plate, among the figure 5, support arm 6, support arm subplate 7, middle web 8, carrier bar 9, web fixed mount 10, caliper fixed mount

Fig. 4 is the rotation supporting structure schematic diagram, among the figure 1, swivel base 14, revolution support in wheel 15, revolution support foreign steamer 16, driven wheel 17, hydraulic motor

Five, the specific embodiment: in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, telescopic arm is to be connected by middle web 7, carrier bar 8, web fixed mount 9 by four support arms to constitute two parallelogram sturcutres on the support arm subplate 6, one group of parallelogram is hinged on telescopic hydraulic cylinder rodless cavity one end and the lifter plate 3, another group is by being bolted on the caliper fixed mount 10, the flexible parallelogram that support arm connects into, the purpose of the propelling movement caliper that is up to the standard of driving of hydraulic cylinder.Telescopic arm is formed by connecting by the rotation supporting structure of parallelogram sturcutre, lifting structure and the base of support arm, it is hinged on rodless cavity one side of telescopic hydraulic cylinder 4 near an end of lifting column 2 end support arms 5, one end of another support arm 5 is hinged on the top of lifter plate 3, a side of web 7 in the middle of the other end of two support arms is connected by pin and jack; One end of lower right side support arm 5 is hinged on the lower end of caliper fixed mount 10, one end of upper right side support arm 5 is hinged on the upper end of caliper fixed mount 10, the opposite side of web 7 in the middle of the other end of two support arms is connected by pin and jack, on middle web, pass through the two parallelogram sturcutres of carrier bar 8 and support arm subplate 6 hinged formations, fixing parallelogram sturcutre on the web 7 in the middle of web fixed mount 9 is welded on can be realized the synchronization action of two structures; Lifting fixed head 11 is by being bolted on lifting hydraulic cylinder 12 and the lifting column 2, and four road wheels 13 of each installation straggly in the fluctuating orbit both sides to determine the telescopic arm vertical motion, are stablized and do not rocked the safety factor height; Wheel 14 linked with foreign steamer 15 in the revolution that is made of rolling bearing in the swivel base 1 of telescopic arm was supported, gear 16 supports foreign steamer 15 keys with revolution and is connected, can do rotation at any angle by taking turns 14 in hydraulic motor 17 driven wheels, 16 drive revolution support foreign steamers 15 and the revolution support, make things convenient for the operation of iron driller at diverse location.

Claims

1, telescopic arm, it is by swivel base (1), lifting column (2), lifter plate (3), telescopic hydraulic cylinder (4), support arm (5), support arm subplate (6), middle web (7), carrier bar (8), web fixed mount (9), caliper fixed mount (10), lifting fixed head (11), lifting hydraulic cylinder (12), road wheel (13), wheel (14) in revolution is supported, foreign steamer (15) is supported in revolution, driven wheel (16) and hydraulic motor (17) are formed by connecting, it is characterized in that: telescopic arm is by middle web (7) by four support arms, carrier bar (8), web fixed mount (9) is connected support arm subplate (6) and goes up the two parallelogram sturcutres of formation, one group of parallelogram is hinged on telescopic hydraulic cylinder rodless cavity one end and the lifter plate (3), another group is by being bolted on the caliper fixed mount (10), and hydraulic cylinder is flexible can to drive the parallelogram that support arm connects into.

2, telescopic arm according to claim 1, it is characterized in that: an end of lifting hydraulic cylinder (12) is hinged on the swivel base (1), lifting fixed head (11) and lifter plate (3) welding, be connected on lifting hydraulic cylinder (12) and the lifting column (2) by bolt, lifting column (2) is installed in the installing hole of swivel base (1), fluctuating orbit is welded on center, lifting column both sides, and each four road wheel of a connection (13) of wearing straggly of its both sides are to determine the telescopic arm vertical motion.

3, telescopic arm according to claim 1, it is characterized in that: it is hinged on rodless cavity one side of telescopic hydraulic cylinder (4) near an end of lifting column (2) end support arm (5), one end of another support arm (5) is hinged on the top of lifter plate (3), a side of web (7) in the middle of the other end of two support arms is connected by pin and jack; One end of lower right side support arm (5) is hinged on the lower end of caliper fixed mount (10), one end of upper right side support arm (5) is hinged on the upper end of caliper fixed mount (10), the opposite side of web (7) in the middle of the other end of two support arms is connected by pin and jack, on middle web, pass through the two parallelogram sturcutres of carrier bar (8) and the hinged formation of support arm subplate (6), web (7) was gone up fixedly parallelogram sturcutre in the middle of web fixed mount (9) was welded on, and can realize the synchronization action of two structures.

4, telescopic arm according to claim 1, it is characterized in that: wheel (14) in the revolution that is made of rolling bearing in the swivel base of telescopic arm (1) is supported, wheel (14) linked with foreign steamer (15) in revolution was supported, gear (16) supports foreign steamer (15) key with revolution and is connected, and supports the rotation at any angle of interior wheel (14) do by hydraulic motor (17) driven wheel (16) drive revolution support foreign steamer (15) and revolution.