CN211219457U

CN211219457U - Coiled tubing welding auxiliary device

Info

Publication number: CN211219457U
Application number: CN201922152340.7U
Authority: CN
Inventors: 刘瑞海; 彭建; 杨荣江; 钟友邦
Original assignee: Sainaboko Petroleum Technology Service Co ltd
Current assignee: Sainaboko Petroleum Technology Service Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-11
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to a coiled tubing welding auxiliary device belongs to oil pipe welding frock field, including the welding frame, be provided with first location support and second location support on the welding frame, all be provided with the slips on first location support and the second location support, first location support is fixed to be set up on the welding frame, the second location support includes base and rotation support, the base slides and sets up on the welding frame, the bottom of base has seted up the rotation groove, the both sides of rotating the support all are provided with the pivot, the pivot rotates and sets up in rotating the groove; the utility model has the advantages of be convenient for adjust treat the angle between the welding oil pipe.

Description

Coiled tubing welding auxiliary device

Technical Field

The utility model belongs to the technical field of oil pipe tailor-welding frock technique and specifically relates to a coiled tubing welds auxiliary device is related to.

Background

The coiled tubing operation vehicle is widely applied to various operation fields such as petroleum drilling, well completion, oil testing, oil extraction, well repair, gathering and transportation and the like. In the process of using coiled tubing equipment for operation, the coiled tubing is often required to be subjected to butt welding work. The groove state, roundness and straightness during the butt welding of the continuous oil pipes are polluted, corroded and magnetized, and the performances of the welding seams are greatly influenced. However, the rigidity of the coiled tubing is strong, so that the coiled tubing after use has large residual bending and deformation, the butt joint of the coiled tubing is difficult, the partially damaged coiled tubing cannot be reused, and the production cost is increased.

The current chinese patent with an authorization publication number CN201711677U discloses a coiled tubing welding auxiliary device, which has the technical scheme key points that: the device consists of a straightening and rounding mechanism, an oil pipe locking and moving mechanism and a movable seat, wherein the oil pipe straightening and rounding mechanism consists of a pair of V-shaped male and female dies and a screw jack, the upper part and the lower part of the male die and the female die are respectively engaged in a concave-convex shape, an inner cavity is V-shaped, the bottom of the V-shaped is connected with an arc surface with the same overall dimension of the continuous oil pipe, and the bottom of the male die is connected with a T-shaped guide block through a connecting plate and a screw; a lower seat with a V-shaped groove of the locking moving mechanism is movably connected with an upper cover with a semi-circular arc through a bolt, and the upper cover is provided with a movable bolt which is buckled with the lower seat; the straightening and rounding mechanism and the locking moving mechanism are arranged on a movable seat. The problems that the coiled tubing cannot be subjected to butt welding and can not be used continuously after deformation in operation are solved, and meanwhile, the operation cost can be effectively reduced.

However, it has disadvantages in that: the technical scheme is only suitable for welding two oil pipes in a coaxial butt joint mode, and when a certain angle is formed between the two oil pipes to be welded, the angle between the two oil pipes cannot be adjusted due to the fact that the technical scheme cannot meet the machining requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coiled tubing welding auxiliary device has and is convenient for adjust the advantage of treating the angle between the welding oil pipe.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a coiled tubing welding auxiliary device, includes the weld holder, be provided with first location support and second location support on the weld holder, all be provided with the slips on first location support and the second location support, first location support is fixed to be set up on the weld holder, second location support includes the base and rotates the support, the base slides and sets up on the weld holder, the rotation groove has been seted up to the bottom of base, the both sides of rotating the support all are provided with the pivot, the pivot is rotated and is set up at the rotation inslot.

Through adopting above-mentioned technical scheme, when need make and form certain angle between two oil pipes and weld, install one of them of two oil pipes of treating the welding on first locating support and realize fixing oil pipe's position through the slips, then remove the base on the second erection support to the direction that is close to first erection support, rotate the appointed angle with the rotation support on the second erection support again, install another oil pipe on the slips of rotation support bottom, thereby make and form certain angle between two oil pipes, weld two oil pipes as an organic whole at last.

The utility model discloses further set up to: the base is provided with a positioning piece outside the rotating groove, a plurality of positioning holes for the positioning piece to be inserted are distributed on the rotating support by taking the rotating shaft as the circle center and taking the distance between the rotating shaft and the positioning piece as the radius circumference, and the positioning piece is inserted in one of the positioning holes.

Through adopting above-mentioned technical scheme, will rotate the support and rotate the back of appointed angle, through inserting the setting element and establish the locating hole of aiming at this moment, realize the location to rotating the support, make and form appointed angle between the slips on first location support and the second location support to the regulation of treating angle between the oil pipe that welds has been made things convenient for.

The utility model discloses further set up to: the locating element includes positioning sleeve, locating lever and positioning spring, set up the counter sink in the positioning sleeve, the locating lever is worn to establish in the positioning sleeve, be provided with the locating flange on the locating lever, the locating flange is located the counter sink, positioning spring's one end is fixed on the diapire of counter sink, the other end and locating flange fixed connection.

Through adopting above-mentioned technical scheme, positioning spring drives the locating lever under natural state and inserts in the locating hole, when needs take out the locating lever from the locating hole in, extracts the locating lever from the locating hole in, then will rotate the support and rotate appointed angle, when the locating lever aims at the locating hole, the locating lever that aligns this moment is inserted once more under positioning spring's elastic force effect, has made things convenient for the fixed of rotating support and base position through setting up the setting element.

The utility model discloses further set up to: and one end of the positioning rod, which is far away from the positioning hole, is provided with a pulling handle, and the pulling handle is positioned outside the positioning sleeve.

Through adopting above-mentioned technical scheme, set up the pulling handle through the one end of keeping away from the locating hole at the locating lever, made things convenient for the pulling to the locating lever.

The utility model discloses further set up to: the welding frame is provided with a supporting seat above the base, and a driving mechanism for driving the base to move along the length direction of the supporting seat is arranged in the supporting seat.

Through adopting above-mentioned technical scheme, through set up actuating mechanism on the weld holder, made things convenient for the drive to the base position, reduced artifical intensity of labour simultaneously.

The utility model discloses further set up to: actuating mechanism includes servo motor, lead screw and slider, the bar groove has been seted up along self length direction to the bottom of supporting seat, the lead screw is installed at the bar inslot, servo motor is located the one end of supporting seat, servo motor's output shaft and lead screw fixed connection, it establishes on the lead screw with lead screw thread fit's screw hole and cover to have seted up in the slider, the base setting in the bottom of slider and with slider fixed connection.

By adopting the technical scheme, the servo motor is started, the output shaft of the servo motor drives the lead screw to synchronously rotate, the sliding block sleeved on the lead screw is positioned in the strip-shaped groove, the sliding block is abutted against two side walls of the strip-shaped groove, and the sliding block moves along the length direction of the lead screw in the rotating process of the lead screw, so that the second positioning support is driven to move towards the direction close to the first positioning support.

The utility model discloses further set up to: the mounting groove has all been seted up on the both ends wall in bar groove, install the bearing in the mounting groove, the lead screw is worn to establish in the bearing, the outer lane of bearing and the lateral wall interference fit of mounting groove, the inner circle and the lead screw interference fit of bearing.

Through adopting above-mentioned technical scheme, set up the bearing through the both ends at the bar groove, reduced the friction when the lead screw rotates to the rotation of lead screw has been made things convenient for.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a with the fixed setting of first location support on the welding jig, slide the setting of second location support on the welding jig and make the rotation support on the second location support can rotate on the base, made things convenient for the angle of treating between the welding oil pipe on adjusting first location support and the second location support.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a driving mechanism and a second positioning support according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotating support according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a positioning element according to an embodiment of the present invention.

Reference numerals: 1. welding a frame; 11. a supporting seat; 111. a strip-shaped groove; 112. a bearing; 2. a first positioning support; 3. a second positioning support; 31. a base; 311. a positioning member; 3111. a positioning sleeve; 3112. positioning a rod; 3113. a positioning spring; 3114. a positioning flange; 3115. pulling the handle; 32. rotating the support; 321. a rotating shaft; 322. positioning holes; 4. slips; 5. a drive mechanism; 51. a servo motor; 52. a lead screw; 53. a slide block.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a coiled tubing welding auxiliary device, including welding jig 1, be provided with first location support 2 and second location support 3 on the welding jig 1, all be provided with slips 4 on first location support 2 and the second location support 3, first location support 2 is fixed to be set up on welding jig 1, second location support 3 includes base 31 and rotation support 32, base 31 slides and sets up on welding jig 1, the rotation groove has been seted up to the bottom of base 31, combine fig. 3, the both sides of rotating support 32 all are provided with pivot 321, pivot 321 rotates and sets up at the rotation inslot.

As shown in fig. 1 and 2, a support 11 is disposed on a welding stand 1 and above a base 31, a driving mechanism 5 for driving the base 31 to move along a length direction of the support 11 is disposed in the support 11, so as to drive a position of the base 31, the driving mechanism 5 includes a servo motor 51, a lead screw 52 and a slider 53, a strip-shaped groove 111 is disposed at a bottom of the support 11 along a length direction thereof, the lead screw 52 is disposed in the strip-shaped groove 111, mounting grooves are disposed on both end walls of the strip-shaped groove 111, a bearing 112 is disposed in the mounting groove to reduce friction generated when the lead screw 52 rotates, the lead screw 52 is disposed in the bearing 112, an outer ring of the bearing 112 is in interference fit with a side wall of the mounting groove, an inner ring of the bearing 112 is in interference fit with the lead screw 52, the servo motor 51 is disposed at one end of the support 11, an output shaft of the servo motor 51 is fixedly connected with the, the base 31 is arranged at the bottom of the sliding block 53 and is fixedly connected with the sliding block 53.

The servo motor 51 is started, the output shaft of the servo motor 51 drives the screw 52 to synchronously rotate, the sliding block 53 sleeved on the screw 52 is located in the strip-shaped groove 111, the sliding block 53 is abutted against two side walls of the strip-shaped groove 111, and the sliding block 53 moves along the length direction of the screw 52 in the rotating process of the screw 52, so that the second positioning support 3 is driven to move towards the direction close to the first positioning support 2.

As shown in fig. 2 and 3, a positioning member 311 is disposed on the base 31 and outside the rotating slot, the rotating support 32 is centered on a rotating shaft 321, distance between pivot 321 and the setting element 311 has a plurality of locating holes 322 that supply the setting element 311 to insert to establish for the radius circumference distribution, the setting element 311 is inserted and is established in one of them locating hole 322, combine fig. 4, the setting element 311 includes positioning sleeve 3111, locating lever 3112 and positioning spring 3113, set up the counter sink in positioning sleeve 3111, locating lever 3112 wears to establish in positioning sleeve 3111, be provided with location flange 3114 on locating lever 3112, location flange 3114 is located the counter sink, the one end of positioning spring 3113 is fixed on the diapire of counter sink, the other end and positioning flange 3114 fixed connection, the one end that locating lever 3112 kept away from locating hole 322 is provided with pulling handle 3115, pulling handle 3115 is located the outside of positioning sleeve 3111, so that pulling is carried out to locating lever 3112.

Positioning spring 3113 drives locating lever 3112 under natural state and inserts in locating hole 322, when needs take out locating lever 3112 from locating hole 322, extract locating lever 3112 from locating hole 322 in, then will rotate support 32 and rotate appointed angle, when locating lever 3112 aims at locating hole 322, locating lever 3112 inserts locating hole 322 of alignment this moment again under positioning spring 3113's elastic force effect, made things convenient for the fixed of rotating support 32 and base 31 position through setting up setting part 311, make and form appointed angle between slips 4 on first positioning support 2 and the second positioning support 3, thereby made things convenient for the regulation of treating angle between the oil pipe.

The specific working process is as follows: when two oil pipes need to be welded at a certain angle, one of the two oil pipes to be welded is installed on the first positioning support 2 and fixed in position of the oil pipe through the slip 4, then the base 31 on the second installation support moves towards the direction close to the first installation support, the rotating support 32 on the second installation support rotates for a specified angle, the other oil pipe is installed on the slip 4 at the bottom of the rotating support 32, a certain angle is formed between the two oil pipes, and finally the two oil pipes are welded into a whole.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a coiled tubing welding auxiliary device, includes welding frame (1), be provided with first location support (2) and second location support (3) on welding frame (1), all be provided with slips (4), its characterized in that on first location support (2) and second location support (3): first location support (2) are fixed to be set up on welding frame (1), second location support (3) include base (31) and rotation support (32), base (31) slide and set up on welding frame (1), the rotation groove has been seted up to the bottom of base (31), the both sides of rotating support (32) all are provided with pivot (321), pivot (321) rotate and set up at the rotation inslot.

2. The coiled tubing welding aid of claim 1, wherein: the positioning piece (311) is arranged on the base (31) and outside the rotating groove, a plurality of positioning holes (322) for the positioning piece (311) to be inserted are distributed on the rotating support (32) by taking the rotating shaft (321) as a circle center and taking the distance between the rotating shaft (321) and the positioning piece (311) as a radius circumference, and the positioning piece (311) is inserted into one of the positioning holes (322).

3. The coiled tubing welding aid of claim 2, wherein: the setting element (311) is including positioning sleeve (3111), locating lever (3112) and positioning spring (3113), the counter bore has been seted up in positioning sleeve (3111), locating lever (3112) are worn to establish in positioning sleeve (3111), be provided with location flange (3114) on locating lever (3112), location flange (3114) are located the counter bore, the one end of positioning spring (3113) is fixed on the diapire of counter bore, the other end and location flange (3114) fixed connection.

4. The coiled tubing welding aid of claim 3, wherein: one end of the positioning rod (3112) far away from the positioning hole (322) is provided with a pulling handle (3115), and the pulling handle (3115) is positioned outside the positioning sleeve (3111).

5. The coiled tubing welding aid of claim 1, wherein: a supporting seat (11) is arranged on the welding frame (1) and above the base (31), and a driving mechanism (5) for driving the base (31) to move along the length direction of the supporting seat (11) is arranged in the supporting seat (11).

6. The coiled tubing welding aid of claim 5, wherein: actuating mechanism (5) include servo motor (51), lead screw (52) and slider (53), bar groove (111) have been seted up along self length direction in the bottom of supporting seat (11), install in bar groove (111) lead screw (52), servo motor (51) are located the one end of supporting seat (11), the output shaft and lead screw (52) fixed connection of servo motor (51), it establishes on lead screw (52) with lead screw (52) screw-thread fit's screw hole and cover in slider (53), base (31) set up in the bottom of slider (53) and with slider (53) fixed connection to open.

7. The coiled tubing welding aid of claim 6, wherein: the mounting groove has all been seted up on the both ends wall of bar groove (111), install bearing (112) in the mounting groove, lead screw (52) are worn to establish in bearing (112), the outer lane of bearing (112) and the lateral wall interference fit of mounting groove, the inner circle and lead screw (52) interference fit of bearing (112).