CN206493018U - It is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe - Google Patents
It is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe Download PDFInfo
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- CN206493018U CN206493018U CN201621215686.7U CN201621215686U CN206493018U CN 206493018 U CN206493018 U CN 206493018U CN 201621215686 U CN201621215686 U CN 201621215686U CN 206493018 U CN206493018 U CN 206493018U
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- astute
- drive mechanism
- welding
- welded pipe
- moving drive
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Abstract
It is used for the pre- astute and able astute and able mechanism of spirally welded pipe the utility model discloses a kind of, including fixed drive mechanism, outer welding mechanism, internal welding machine structure and moving drive mechanism, the moving drive mechanism is installed on travel mechanism's axial movement electric sliding rail, and the moving drive mechanism carries out moving integrally for axial direction on the mobile axial mobile electric slide rail；The outer welding mechanism is arranged on the axial mobile electric slide rail of outside weld mechanism, and the outer welding mechanism on outer welding mechanism axial movement electric sliding rail axially move integrally.Astute and able mechanism of the present utility model and its welding new method are applied to the high quality of production of spirally welded pipe, adverse effect of the inside weld waste heat to whole Weld Performance can be reduced, the production that properties of weld requires higher big wall thickness Hi-grade steel oil-gas pipeline steel pipe is particularly suitable for use in.
Description
Technical field
The utility model belongs to the pre- astute and able technique manufacture field of spirally welded pipe, and in particular to a kind of spirally welded pipe one
The astute and able mechanism of half pitch.
Background technology
At present, the production technology of spirally welded pipe includes the method and pre- astute and able method of One-step production spirally welded pipe.
It is synchronous to carry out interior weld while the method for One-step production spirally welded pipe is that steel band shapes on three-roller forming machine
2 and 2 submerged arc weldings of outside weld, the production method are referred to as one-step method.The production method is due to submerged arc welding and steel tube forming
Synchronous to carry out, unit vibration can influence welding quality, and the defects such as fire check, slag inclusion, therefore international oil gas pipeline easily occurs in weld seam
Standard forbids producing oil gas steel pipe using this method.Further, since steel tube forming speed can be fettered by submerged arc welding speed,
The process production efficiency is relatively low.
Pre- astute and able method is for advanced spiral shell formed by traditional one-step method welding quality unstable and the low shortcoming of efficiency
Rotation seam production technology of steel tube method.While the process is that steel band shapes on three-roller forming machine, high speed MAG is first carried out pre-
Weldering, specific length is cut into while progress is welded with CUT, is transported to a plurality of astute and able production line progress inside and outside
Synchronous multi-wire submerged-arc welding, the process is referred to as two step method.This method is successfully astute and able separated by steel tube forming and submerged arc
Carry out, steel pipe groove both sides geo-stationary during interior weldering (2~3) and outside weld (2~3) multi-wire submerged-arc welding, welding quality can
To be protected.Simultaneously as high speed MAG preweldings speed can reach more than 4 times of submerged arc welding speed, the ability of forming machine
Fully discharged, production efficiency is significantly improved.Pre- astute and able process because its high efficiency and it is high-quality by it is internationally recognized be spiral shell
The rotation seam state-of-the-art manufacturing technique method of steel pipe.
But the existing astute and able equipment manufacturing technique method of spirally welded pipe is that (6 points of steel pipe is left for weldering in multifibres (2~3) submerged arc
Right position) after half pitch, multifibres (2~3) submerged arc outside welds are carried out in 12 right positions of steel pipe.The process is in welding
During Hi-grade steel heavy wall oil gas steel pipe, interior postwelding steel pipe has little time sufficiently cool just progress submerged arc outside weld, interior weldering waste heat and outside weld electricity
Arc heat integration is acted on, and can produce many adverse effects to the microstructure and performance of weld seam.Inside under the effect of weldering waste heat, weld seam
And heat affected area (HAZ) Charpy-V impact power has obvious reduction, attenuation trend is presented in toughness；And microstructure then has in various degree
Grow up.
Utility model content
In order to solve to carry out the interior weldering present in outside weld in the astute and able equipment multi-wire submerged-arc of spirally welded pipe after weldering half pitch
The problem of waste heat influence, the utility model can be used for the astute and able mechanism of the pitch of spirally welded pipe one and half and make there is provided a kind of
The new method welded with the astute and able mechanism.
What the utility model was provided, which is used for the pre- astute and able astute and able mechanism of spirally welded pipe, includes fixed drive mechanism, outer welding machine
Structure, internal welding machine structure and moving drive mechanism, the moving drive mechanism are installed on travel mechanism's axial movement electric sliding rail, institute
State moving drive mechanism and carry out moving integrally for axial direction on the mobile axial mobile electric slide rail；The outer welding mechanism is installed
On outer welding mechanism axial movement electric sliding rail, the outer welding mechanism is carried out axially on outer welding mechanism axial movement electric sliding rail
Move integrally.
It is preferred that, corner drive mechanism, driven roller and drive are provided with the moving drive mechanism and fixed drive mechanism
Dynamic roller hoisting mechanism, spirally welded pipe under the drive of corner drive mechanism, driven roller carries out 0 according to steel pipe spiral angle~
90 ° of stepless accurate settings.The driven roller hoisting mechanism is used to control driven roller and spirally welded pipe to contact or disengage.
It is preferred that, the astute and able mechanism includes multigroup orthogonal roller mechanism, and the orthogonal roller mechanism includes the two of right-angled intersection
Individual ball roller, steel pipe can carry out circumference, level and hand of helix by driven roller driving on orthogonal roller mechanism and move.It is described just
It is an independent part to hand over roller, and its effect is supporting steel pipe, auxiliary steel pipe motion, reduces the running resistance of steel pipe.
In one embodiment of the present utility model, steel pipe under the support of orthogonal roller mechanism, by moving drive mechanism and
Have been set to need the driven roller driven of angle in fixed drive mechanism, realize that the straight line of steel pipe is sent into, circumferential find is opened
Solder joint and spiral wire bonding etc. are moved.
It is preferred that, the astute and able mechanism also includes retaining mechanism, and the moving drive mechanism is realized by retaining mechanism to be locked
Tightly.
The utility model additionally provides the method for carrying out one and half pitch synchronous weldings using above-mentioned astute and able mechanism, including：
Before welding starts, the moving drive mechanism is moved axially on travel mechanism's electric sliding rail, makes to move driving machine
Driven roller on structure is avoided weld seam and contacted with steel pipe, and the moving drive mechanism and the outer welding mechanism are not interfered；It is described outer
Welding mechanism is moved on the axial electric sliding rail of outer welding mechanism, the welding gun of outer welding mechanism is moved to position while welding, internal welding machine structure
Welding gun residing for position while welding and outer welding mechanism welding gun residing for position while welding differ one and half pitch, pass through fixed drive mechanism
On driven roller and moving drive mechanism on driven roller driving spirally welded pipe, carry out one and half pitch synchronous weldings.
The spirally welded pipe is combined by the driven roller on moving drive mechanism and fixed drive mechanism to be driven, and realizes steel
The continuous motion of pipe helix or rectilinear direction.
It is used as one of above-mentioned technical proposal preferred, the position of driven roller and steel pipe outside weld seam on moving drive mechanism
Contact.
It is preferred as one of above-mentioned technical proposal, the position contact of orthogonal roller mechanism and steel pipe outside weld seam.
In embodiment of the present utility model, driven roller and just is provided with moving drive mechanism and fixed drive mechanism
Position contact of the driven roller and steel pipe on roller, moving drive mechanism outside weld seam is handed over, orthogonal roller mechanism and steel pipe are outside weld seam
Position contact.
It is preferred that, position is locked after the completion of the moving drive mechanism is adjusted axially.
It is preferred that, driven roller in the fixed drive mechanism after welding starts, steel pipe be stably driven after rise, by
Steel pipe is operated alone in driven roller on moving drive mechanism.
The utility model additionally provides the method that half pitch synchronous welding is carried out using said apparatus, including：
Before welding starts, the moving drive mechanism is moved axially on travel mechanism's electric sliding rail, makes to move driving machine
Weld seam is avoided on structure to contact with steel pipe, and the moving drive mechanism and the outer welding mechanism are not interfered；The outer welding mechanism exists
Moved on the axial electric sliding rail of outer welding mechanism, the welding gun of outer welding mechanism is moved to position while welding, the welding gun institute of internal welding machine structure
Locate position while welding difference half pitch residing for the welding gun of position while welding and outer welding mechanism, pass through moving drive mechanism and fixed drive
Driven roller driving steel pipe in mechanism, carries out half pitch synchronous welding.
As one of above-mentioned technical proposal preferably, on moving drive mechanism and/or fixed drive mechanism driven roller and
Position contact of the steel pipe outside weld seam.
It is preferred as one of above-mentioned technical proposal, the position contact of orthogonal roller mechanism and steel pipe outside weld seam.
In embodiment of the present utility model, driven roller movement is provided with moving drive mechanism and fixed drive mechanism
The position contact of driven roller and steel pipe outside weld seam in drive mechanism and fixed drive mechanism.
It is preferred that, position is locked after the completion of the moving drive mechanism regulation.
It is preferred that, driven roller in the fixed drive mechanism after welding starts, steel pipe be stably driven after rise, by
Steel pipe is operated alone in driven roller on moving drive mechanism.
The astute and able mechanism of one and half pitch of the present utility model and welding new method can realize the astute and able unit of helix tube steel pipe half
Individual pitch or one and half pitch multiplewire submerged arc welding welding, can solve high-quality oil gas spirally welded pipe it is astute and able when it is interior weldering waste heat pair
The problem that seam organization and performance have a negative impact, it is adaptable to the astute and able production during pre- astute and able helical seam steel pipe's production
Process.
The utility model after weldering half pitch in the astute and able equipment multi-wire submerged-arc of spirally welded pipe for carrying out present in outside weld
Interior weldering waste heat influence problem, using electric sliding rail structure, allow moving drive mechanism and outer welding mechanism integrally over long distances
It is mobile, need to select to carry out half according to product or one and half pitch are welded.One and half pitch of the present utility model is astute and able
New method, can successfully eliminate the influence of interior weldering waste heat, preferably meet the production requirement of high-quality spirally welded pipe, take
Obtained good effect.
Using astute and able mechanism of the present utility model and one and half pitch welding new method, the weld seam of interior postwelding obtains fully cold
But, the contact between interior weldering and outside weld thermal cycle has been efficiently separated, so as to efficiently solve the unfavorable shadow that interior weldering waste heat is brought
Ring.Compared to original astute and able method, weld seam and HAZ tissues：Crystal grain is tiny, Charpy-V impact power is significantly raised, welding seam toughness is preferable, steel
The final military service function admirable of pipe.
Brief description of the drawings
The astute and able mechanism of Fig. 1, spirally welded pipe of the present utility model carries out 1.5 times of pitch welding schematic diagrames.
The astute and able mechanism of Fig. 2, spirally welded pipe of the present utility model carries out 0.5 times of pitch welding schematic diagram.
Fig. 3, the astute and able mechanism of spirally welded pipe of the present utility model side view.
Accompanying drawing is identified：
1st, moving drive mechanism；2nd, outer welding mechanism；3rd, fixed drive mechanism；4th, mobile driving axial mobile electric slide rail；
5th, retaining mechanism；6th, orthogonal roller mechanism；7th, the axial mobile electric slide rail of outside weld mechanism；8th, internal welding machine structure；10th, driven roller elevator
Structure；11st, driven roller；12nd, corner drive mechanism.
Embodiment
Specific embodiment of the utility model is the following is, it is used only as illustrating rather than limitation to of the present utility model.
Fig. 1-2 is referred to, it is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe, including fixed drive mechanism 3, outside weld
Mechanism 2, internal welding machine structure 8 and moving drive mechanism 1, the moving drive mechanism 1 are installed on travel mechanism's electric sliding rail 4, institute
State moving drive mechanism 1 and moving integrally for axial direction is carried out on the mobile electric slide rail 4；The outer welding mechanism 2 is installed outside
On welding mechanism axial movement electric sliding rail 7, the outer welding mechanism 2 is carried out axially on outer welding mechanism axial movement electric sliding rail 7
Move integrally.
Refer to and corner drive mechanism 12, driving are provided with Fig. 3, the moving drive mechanism and fixed drive mechanism
Roller 11 and driven roller hoisting mechanism 10, spirally welded pipe is under the drive of corner drive mechanism, and driven roller is according to steel pipe helical angle
Degree carries out 0~90 ° of stepless accurate setting.The driven roller hoisting mechanism is used to control driven roller and spirally welded pipe to contact or de-
From contact.Driven roller in welding process on moving drive mechanism and fixed drive mechanism as needed can be operated alone or join
Close driving, it is ensured that the steady reliability service of steel pipe whole process.
The astute and able mechanism includes some groups of orthogonal roller mechanisms, and the orthogonal roll structure includes two balls of right-angled intersection
Roller, steel pipe can carry out circumference, axial direction and spiral motion under the support of orthogonal roller mechanism by driven roller driving.According to steel
The quantity of the orthogonal roller of length of tube can set multigroup.Steel pipe is under the support of orthogonal roller mechanism, according to the angle set by driving
Roller drives alone or in combination, realizes that the straight line of steel pipe is sent into, circumferential find opens the motion such as solder joint and spiral wire bonding.
The astute and able mechanism also includes retaining mechanism, and the moving drive mechanism is realized by retaining mechanism and locked.
Referring to Fig. 1, the method for carrying out one and half pitch synchronous weldings using above-mentioned astute and able mechanism the following is：
Before welding starts, the moving drive mechanism is moved axially on travel mechanism's electric sliding rail, makes to move driving machine
Weld seam is avoided on structure to contact with steel pipe, and the moving drive mechanism and the outer welding mechanism are not interfered；The outer welding mechanism exists
Moved on the axial electric sliding rail of outer welding mechanism, the welding gun of outer welding mechanism is moved to position while welding, the welding gun institute of internal welding machine structure
Locate position while welding residing for the welding gun of position while welding and outer welding mechanism and differ one and half pitch, pass through moving drive mechanism and fixed drive
Motivation structure drives steel pipe, carries out one and half pitch synchronous weldings.
In order to avoid excessively near to driven roller-have adverse effect on, driven roller and steel on moving drive mechanism from weld seam
Pipe can be outside weld seam position contact.
In order to avoid from weld seam it is excessively near to orthogonal roller there may be detrimental effect, orthogonal roller mechanism and steel pipe can be in welderings
Position contact outside seam.
In order to ensure the stability of moving drive mechanism itself, position is locked after the completion of the moving drive mechanism regulation
Tightly, the locking for moving drive mechanism is such as realized by locking device.
Profit can realize the welding of one and half pitch with the aforedescribed process.
Optionally, the driven roller in the fixed drive mechanism after welding starts, steel pipe be stably driven after rise, by
Steel pipe is operated alone in driven roller on moving drive mechanism.
Referring to Fig. 2, the method that half pitch synchronous welding is carried out using said apparatus the following is：
Before welding starts, the moving drive mechanism is moved axially on travel mechanism's electric sliding rail, makes to move driving machine
Driven roller on structure is avoided weld seam and contacted with steel pipe, and the moving drive mechanism and the outer welding mechanism are not interfered；It is described outer
Welding mechanism is moved on the axial electric sliding rail of outer welding mechanism, the welding gun of outer welding mechanism is moved to position while welding, internal welding machine structure
Welding gun residing for position while welding and outer welding mechanism welding gun residing for position while welding difference half pitch, by moving drive mechanism and
Fixed drive mechanism drives steel pipe, carries out half pitch synchronous welding.
In order to avoid from weld seam it is excessively near to driven roller there may be detrimental effect, driven roller on moving drive mechanism and
Position contact of the steel pipe outside weld seam.
In order to avoid from weld seam tension to orthogonal roller there may be detrimental effect, orthogonal roller mechanism and steel pipe are outside weld seam
Position contact.
In order to improve the stability of moving drive mechanism itself, rear position is locked after the completion of the moving drive mechanism regulation
Tightly, the locking for moving drive mechanism is such as realized by locking device.
Optionally, the driven roller in the fixed drive mechanism after welding starts, steel pipe be stably driven after rise, by
Steel pipe is operated alone in driven roller on moving drive mechanism.
When outer solder joint is at a distance of 1.5 pitch inside, outside weld center acicular ferrite quantity substantially increases, and pearlite contains
Amount reduction, plastic property of weld bead, toughness are improved, and Weld Performance, which has, largely to be improved.
The astute and able mechanism of the pitch of spirally welded pipe one and half of the present utility model and its welding new method are in spirally welded pipe car
Between use in astute and able process, successfully solve the adverse effect that interior weldering waste heat is produced to the microstructure and performance of weld seam, make
Steel pipe quality obtains reliable guarantee and lifting.
When method of the present utility model implements welding on φ 711 × 14.3mm specification steel pipes, interior weldering monofilament solder joint is apart
1.5 pitch are compared to interior weldering mariages solder joint at a distance of 0.5 pitch, and weld impingement work(improves about 10%~20%.
It is emphasized that：It the above is only preferred embodiment of the present utility model, not the utility model appointed
What formal limitation, every any simple deformation made according to technical spirit of the present utility model to example and its method or
Modification is within the protection domain of this patent.
Claims (4)
1. it is a kind of be used for the pre- astute and able astute and able mechanism of spirally welded pipe, including fixed drive mechanism, outer welding mechanism, internal welding machine structure and
Moving drive mechanism, it is characterised in that：
The moving drive mechanism is installed on travel mechanism's axial movement electric sliding rail, and the moving drive mechanism is in the axle
Moving integrally for axial direction is carried out on to mobile electric slide rail；The outer welding mechanism is arranged on the axial mobile electric slide rail of outside weld mechanism
On, the outer welding mechanism on outer welding mechanism axial movement electric sliding rail axially move integrally.
2. it is used for the pre- astute and able astute and able mechanism of spirally welded pipe as claimed in claim 1, it is characterised in that：The mobile driving
Corner drive mechanism, driven roller and driven roller hoisting mechanism are provided with mechanism and fixed drive mechanism, spirally welded pipe is turning
Under the drive of angle drive mechanism, driven roller carries out 0~90 ° of stepless accurate setting according to steel pipe spiral angle.
3. it is used for the pre- astute and able astute and able mechanism of spirally welded pipe as claimed in claim 1, it is characterised in that：The astute and able mechanism
Including some groups of orthogonal roller mechanisms, the orthogonal roller mechanism includes two ball rollers of right-angled intersection, and steel pipe is on orthogonal roller by driving
Dynamic roller driving carries out circumferential, level-or hand of helix motion.
4. it is used for the pre- astute and able astute and able mechanism of spirally welded pipe as claimed in claim 1, it is characterised in that：The astute and able mechanism
Also include retaining mechanism, the moving drive mechanism is realized by retaining mechanism and locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215686.7U CN206493018U (en) | 2016-11-09 | 2016-11-09 | It is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215686.7U CN206493018U (en) | 2016-11-09 | 2016-11-09 | It is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493018U true CN206493018U (en) | 2017-09-15 |
Family
ID=59800022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215686.7U Expired - Fee Related CN206493018U (en) | 2016-11-09 | 2016-11-09 | It is a kind of to be used for the pre- astute and able astute and able mechanism of spirally welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392271A (en) * | 2016-11-09 | 2017-02-15 | 机械科学研究院哈尔滨焊接研究所 | Precision-welding mechanism for pre-precision welding of spiral seam steel tube and welding method therefor |
-
2016
- 2016-11-09 CN CN201621215686.7U patent/CN206493018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392271A (en) * | 2016-11-09 | 2017-02-15 | 机械科学研究院哈尔滨焊接研究所 | Precision-welding mechanism for pre-precision welding of spiral seam steel tube and welding method therefor |
| CN106392271B (en) * | 2016-11-09 | 2019-06-04 | 机械科学研究院哈尔滨焊接研究所 | It is a kind of for spirally welded pipe pre- astute and able astute and able mechanism and its welding method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20201109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |