CN212398433U - Double-end composite pipe end surfacing welding machine - Google Patents
Double-end composite pipe end surfacing welding machine Download PDFInfo
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- CN212398433U CN212398433U CN202020477453.4U CN202020477453U CN212398433U CN 212398433 U CN212398433 U CN 212398433U CN 202020477453 U CN202020477453 U CN 202020477453U CN 212398433 U CN212398433 U CN 212398433U
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- composite pipe
- surfacing
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- pipe
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- 239000002131 composite material Substances 0.000 title claims abstract description 93
- 238000003466 welding Methods 0.000 title claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000005056 compaction Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a double-head composite pipe end surfacing machine, which mainly comprises a driving clamping device and two surfacing devices positioned at two ends of a composite pipe; the driving clamping device can clamp the composite pipe and can rotate the composite pipe; a welding gun of the surfacing device is opposite to the end surface of the composite pipe; a supporting device is arranged between the surfacing device and the driving clamping device; the supporting device comprises two compression structures which are symmetrical up and down and a frame for fixing the compression structures; the pressing structure comprises two parallel rotating rollers, a lifting support and a lifting cylinder; the axial direction of the rotating roller is consistent with that of the composite pipe; the composite pipe is positioned between the two rotating rollers; the rotating roller is fixed on the lifting support; the lifting cylinder is used for driving the lifting support to move up and down; the upper and lower compression structures act together to ensure that the axis of the composite pipe is always kept horizontal, thereby ensuring the surfacing quality; the two end faces of the composite pipe are simultaneously welded under the action of the two surfacing devices, and the welding efficiency is high.
Description
Technical Field
The utility model relates to a compound pipe production technology technical field especially relates to a compound pipe end surfacing machine of double-end.
Background
Currently, in the field of the petroleum industry, CO2/H2S-pipe corrosion has become one of the major problems in global oil and gas production processes, and bimetallic composite pipes are one of the solutions. Because the sealing performance of the composite pipe is required, the composite steel pipe industry standard requires that the composite pipe is subjected to surfacing welding at a position of 100-200mm, and a surfacing layer after surfacing welding is in compact metallurgical bonding with a base layer, so that the surfacing alloy is tightly bonded with the base layer.
Both ends of the composite pipe need to be subjected to surfacing welding, and the existing composite pipe end surfacing welding device is in a single-head surfacing welding mode, so that the welding time is long and the efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is: the utility model provides a double-end composite pipe end surfacing machine can realize the simultaneous surfacing of composite pipe both ends.
In order to solve the main technical problems, the following technical scheme is adopted:
a pipe end surfacing welding machine for a double-head composite pipe comprises a driving clamping device positioned in the middle of the composite pipe and two surfacing welding devices positioned at two ends of the composite pipe; the driving clamping device can clamp the composite pipe and can rotate the composite pipe; a welding gun of the surfacing device is opposite to the end face of the composite pipe; a supporting device is arranged between the surfacing device and the driving clamping device; the supporting device comprises two compression structures which are symmetrical up and down and a frame for fixing the compression structures; the pressing structure comprises two parallel rotating rollers, a lifting support and a lifting cylinder; the axial direction of the rotating roller is consistent with that of the composite pipe; the composite pipe is positioned between the two rotating rollers; the rotating roller is fixed on the lifting support; the lifting cylinder is used for driving the lifting support to move up and down.
Preferably, the driving clamping device comprises a chuck, a gearwheel, a pinion, a motor and a driving base; the composite tube is capable of passing through and being clamped by a chuck; the large gear is sleeved on the outer surface of the end part of the chuck and fixedly connected with the chuck; the big gear and the small gear are meshed; an output shaft of the motor is fixedly connected with the pinion; the motor is fixed on the driving base.
Preferably, the distance between the two rotating rollers located in the same compaction structure is smaller than the diameter of the composite pipe.
Preferably, the compression structure further comprises a vertical guide rod; the guide rod is fixed on the frame; the guide rods are uniformly distributed around the lifting support; the lifting support can slide back and forth along the axial direction of the guide rod.
Preferably, the end of the guide rod close to the composite pipe is a round ball; the diameter of the round ball is larger than that of the guide rod.
Preferably, the bottom of the surfacing device and the bottom of the frame are both provided with rollers.
Compared with the prior art, the utility model discloses be applied to the build-up welding of compound pipe and possess following advantage:
the two surfacing devices are respectively positioned at two ends of the composite pipe, the driving clamping device is positioned in the axial middle of the composite pipe, the supporting device is arranged between the driving device and the surfacing devices and comprises an upper pressing device and a lower pressing device, and after the composite pipe passes through the driving clamping device, the upper pressing structure and the lower pressing structure act together to enable the axis of the composite pipe to be always kept horizontal, so that the surfacing quality is ensured; the driving clamping device drives the composite pipe to rotate, the two end faces of the composite pipe are opposite to the two welding guns, the two end faces of the composite pipe are welded by the welding guns under the effect of the surfacing device, and the welding efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
Fig. 1 is an overall structural schematic diagram of a double-head composite pipe end surfacing machine according to an embodiment of the present invention.
Fig. 2 is a schematic side view of a supporting device of a double-ended composite pipe end surfacing machine according to an embodiment of the present invention.
In the figure: the device comprises a composite pipe 1, a driving clamping device 2, a chuck 21, a large gear 22, a small gear 23, a motor 24, a driving base 25, a surfacing device 3, a welding gun 31, a supporting device 4, a pressing structure 41, a frame 42, a rotating roller 411, a lifting support 412, a lifting cylinder 413, a guide rod 414, a ball 415 and a roller 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.
Referring to fig. 1-2, a double-head composite pipe end surfacing welding machine comprises a driving clamping device 2 positioned in the middle of a composite pipe and two surfacing welding devices 3 positioned at two ends of the composite pipe 1; the driving clamping device 2 can clamp the axial direction of the composite pipe 1 and can rotate the composite pipe 1; the welding gun 31 of the surfacing device 3 is over against the end face of the composite pipe 1, the surfacing device 3 comprises the welding gun 31, a reciprocating mechanism for enabling the welding gun 31 to reciprocate and the like, and the surfacing device 3 can be a surfacing device for surfacing on the single end face in the prior art; a supporting device 4 is arranged between the surfacing device 3 and the driving clamping device 2, the supporting device 4, the driving clamping device 2 and the surfacing device 3 are distributed in a straight line and are consistent with the axial direction of the composite pipe 1, and two supporting devices 4 are arranged on two sides of the driving clamping device 2; the supporting device 4 comprises two compression structures 41 which are symmetrical up and down and a frame 42 for fixing the compression structures 41, the compression structures 41 are fixed on the frame 42 through welding, the compression structure 41 above the frame 42 is mainly used for compressing the composite pipe 1, and the compression structure 41 below the frame 42 is mainly used for supporting the composite pipe 1; the pressing structure 41 positioned above the frame 42 and the pressing structure 41 positioned below the frame 42 are symmetrical by taking the axis of the composite pipe 1 as a symmetry axis; the frame 42 is a rectangular parallelepiped shape composed of twelve columns; the pressing structure 41 comprises two rotating rollers 411, a lifting support 412 and a lifting cylinder 413 which are parallel to each other; the axial direction of the rotating roller 411 is consistent with that of the composite pipe 1; the composite pipe 1 is positioned between the two rotating rollers 411, and the rotating rollers 411 can be driven to rotate after the composite pipe 1 rotates; the rotating roller 411 is fixed on a horizontal lifting support 412 through welding; the lifting support 412 moves up and down under the action of the lifting cylinder 413, and after the composite pipe 1 passes through the driving clamping device 1, the upper and lower pressing structures 41 act together to enable the axis of the composite pipe 1 to be kept horizontal; the clamping device 1 is driven to drive the composite pipe 1 to rotate, two end faces of the composite pipe 1 are opposite to the two welding guns 31, the welding guns 31 are used for simultaneously welding the two end faces of the composite pipe 1 under the action of the surfacing device 3, and the efficiency is improved; the supporting device 4 comprises an upper pressing device and a lower pressing device 41, so that the composite pipe 1 can be kept horizontal all the time under the action of multidirectional force in the rotating process, and the surfacing quality is guaranteed.
Further, the driving clamping device 2 comprises a chuck 21, a gearwheel 22, a pinion 23, a motor 24 and a driving base 25; the composite pipe 1 can penetrate through the chuck 21 and is clamped under the action of the chuck 21, and the chuck 21 can adopt an existing three-jaw chuck or a four-jaw chuck to facilitate centering; the bull gear 22 is sleeved on the outer surface of the end part of the chuck 21 and fixedly connected with the chuck through a key; the large gear 22 and the small gear 23 are meshed; an output shaft of the motor 24 is fixedly connected with the pinion 23 through a coupler; the motor 24 is welded and fixed on a driving base 25 through a bracket, and the driving base 25 is placed on the ground; after the motor 24 rotates, the large gear 22 and the small gear 23 are meshed with each other to drive the composite pipe 1 to rotate.
Further, the distance between the two rotating rollers 411 of the same compressing structure 41 is smaller than the diameter of the composite pipe 1, that is, the axis of each rotating roller 411 of the supporting device 4 is located at the axial oblique upper side or the axial oblique lower side of the composite pipe 1, so that the rotating rollers 411 of the same compressing structure 41 are prevented from being respectively located at two sides of the composite pipe 1, and therefore the phenomenon that the composite pipe 1 sinks due to the fact that the friction force is too small and the like is avoided, and the overlaying quality is influenced is avoided.
Further, the pressing structure 41 further includes a vertical guide rod 414; the end of the guide rod 414 close to the frame 42 is fixed on the frame by welding; the guide rods 414 are uniformly distributed around the lifting support 412, through holes are formed in the lifting support 412 along the thickness direction of the lifting support, and the guide rods 414 penetrate through the through holes and slide in the through holes; the lifting support 412 can slide back and forth along the axial direction of the guide rod 414, and in order to avoid excessive friction, the outer surface of the guide rod 414 is smooth, and the inner wall of the through hole of the lifting support 412 is smooth.
Further, the end of the guide rod 414 close to the composite tube 1 is a round ball 415, and the round ball 415 is fixed to the guide rod 414 by welding or the round ball 415 and the guide rod 414 are integrally formed; the diameter of the round ball 415 is larger than that of the guide rod 414, and the round ball 415 is used for preventing the lifting support 412 from falling off from the guide rod 414 due to manual misoperation and the like.
Further, the bottom of the surfacing device 3 and the bottom of the frame 42 are both provided with the roller 5 through bolt fixation, so that the surfacing device 3 and the supporting device 4 can be conveniently moved.
Further, in order to facilitate the movement and subsequent work of the surfacing device 3, the bottom of the surfacing device 3 may be a sliding block, the sliding block is slidably connected with a sliding rail on the ground, and the direction of the sliding rail coincides with the direction of the axis of the composite pipe 1 after moving up and down.
The working principle is as follows: the composite pipe 1 passes through a chuck 21 of a driving clamping device 2 and is clamped under the action of the chuck 21, a supporting device 4 is moved to be right below the composite pipe 1, and the axial direction of a rotating roller 411 is parallel to the axial direction of the composite pipe 1; adjusting a compaction structure 41 positioned below the composite pipe 1 to enable the composite pipe 1 to be kept horizontal, and adjusting the compaction structure 41 positioned above the composite pipe 1 to enable the outer surface of the rotating roller 411 to be in contact with the outer surface of the composite pipe 1; moving the two surfacing devices 3 to two ends of the composite pipe 1 to ensure that the welding gun 31 is opposite to the end face of the composite pipe 1; the motor 24 starts to rotate and drives the big and small gears 21 and 22 to rotate, thereby driving the composite pipe 1 to rotate; the surfacing device 3 performs surfacing on two end faces of the composite pipe 1 simultaneously.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.
Claims (6)
1. The utility model provides a compound pipe end surfacing machine of double-end which characterized in that: the device comprises a driving clamping device positioned in the middle of a composite pipe and two surfacing devices positioned at two ends of the composite pipe; the driving clamping device can clamp the composite pipe and can rotate the composite pipe; a welding gun of the surfacing device is opposite to the end face of the composite pipe; a supporting device is arranged between the surfacing device and the driving clamping device; the supporting device comprises two compression structures which are symmetrical up and down and a frame for fixing the compression structures; the pressing structure comprises two parallel rotating rollers, a lifting support and a lifting cylinder; the axial direction of the rotating roller is consistent with that of the composite pipe; the composite pipe is positioned between the two rotating rollers; the rotating roller is fixed on the lifting support; the lifting cylinder is used for driving the lifting support to move up and down.
2. The pipe end surfacing machine for double-ended composite pipes according to claim 1, wherein: the driving clamping device comprises a chuck, a large gear, a small gear, a motor and a driving base; the composite tube is capable of passing through and being clamped by a chuck; the large gear is sleeved on the outer surface of the end part of the chuck and fixedly connected with the chuck; the big gear and the small gear are meshed; an output shaft of the motor is fixedly connected with the pinion; the motor is fixed on the driving base.
3. The pipe end surfacing machine for double-ended composite pipes according to claim 1, wherein: and the distance between the two rotating rollers positioned on the same compaction structure is smaller than the diameter of the composite pipe.
4. The pipe end surfacing machine for double-ended composite pipes according to claim 1, wherein: the pressing structure further comprises a vertical guide rod; the guide rod is fixed on the frame; the guide rods are uniformly distributed around the lifting support; the lifting support can slide back and forth along the axial direction of the guide rod.
5. The double-ended composite pipe end surfacing machine according to claim 4, wherein: the end part of the guide rod close to the composite pipe is a round ball; the diameter of the round ball is larger than that of the guide rod.
6. The pipe end surfacing machine for double-ended composite pipes according to claim 1, wherein: and rollers are arranged at the bottom of the surfacing device and the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477453.4U CN212398433U (en) | 2020-04-03 | 2020-04-03 | Double-end composite pipe end surfacing welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477453.4U CN212398433U (en) | 2020-04-03 | 2020-04-03 | Double-end composite pipe end surfacing welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212398433U true CN212398433U (en) | 2021-01-26 |
Family
ID=74370711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477453.4U Expired - Fee Related CN212398433U (en) | 2020-04-03 | 2020-04-03 | Double-end composite pipe end surfacing welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212398433U (en) |
-
2020
- 2020-04-03 CN CN202020477453.4U patent/CN212398433U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |