CN110860773A - Continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof - Google Patents
Continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof Download PDFInfo
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- CN110860773A CN110860773A CN201911297419.7A CN201911297419A CN110860773A CN 110860773 A CN110860773 A CN 110860773A CN 201911297419 A CN201911297419 A CN 201911297419A CN 110860773 A CN110860773 A CN 110860773A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 140
- 239000010959 steel Substances 0.000 title claims abstract description 140
- 210000001503 joint Anatomy 0.000 title claims abstract description 46
- 230000008719 thickening Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 28
- 239000002994 raw material Substances 0.000 title abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 48
- 238000005498 polishing Methods 0.000 claims abstract description 12
- 238000009966 trimming Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
Abstract
The invention discloses a continuous oil pipe steel belt butt joint process, which belongs to the technical field of continuous oil pipe processing and manufacturing and comprises the following steps of 1, cleaning the end part of a continuous oil pipe steel belt joint, and removing dirt, impurities and burrs; step 2, performing wall thickness increasing treatment on the end part of the continuous oil pipe steel belt joint by using a hammering end face method; step 3, trimming the end parts of the steel band joints of the two butted sections of the continuous oil pipes by using a band saw, and then aligning tightly, wherein the welding is firm and reliable by using a plasma welding machine; and 4, finishing the welding port, and polishing to remove welding burrs and welding beading. The method can effectively reduce the conditions of edge burning and collapse in the welding process, avoid the thinning of the wall thickness after finishing and polishing the welding area, and improve the welding quality of the butt joint of the steel strips. The invention also discloses steel belt butt joint raw material thickening equipment for hammering and thickening the end part of the steel belt joint of the continuous oil pipe in the process.
Description
Technical Field
The invention relates to the technical field of continuous oil pipe machining and manufacturing, in particular to a continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof.
Background
Coiled tubing operation technology is a new oil and gas field development operation technology which is emerging in recent years, coiled tubing is used as key equipment for realizing the operation technology, and the length of the coiled tubing determines the depth of a well which can be operated by the coiled tubing operation technology. A processing and manufacturing process of a continuous oil pipe is characterized in that a steel strip is bent to be round and then butt-welded to form a pipe, the length of a steel strip raw material is generally 300-900 m, and when a continuous oil pipe with a longer length is manufactured, two sections of steel strip raw materials are often butt-welded together to be bent to be round and manufactured into the pipe.
However, in the prior art, when the steel strip plate is welded after butt joint, the situations of oxidation edge burning, welding collapse and the like which are easily generated in the welding process cannot be solved, the welding edge burning position of the pipe can be thinned after some means such as polishing and the like are used in finishing, and meanwhile, the situation of breakage due to bending and fatigue easily occurs in the using process due to thinning at the position.
Therefore, it is necessary to provide a continuous oil pipe steel strip butt joint process and a raw material thickening device thereof aiming at the above disadvantages.
Disclosure of Invention
The invention aims to provide a continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof, which can effectively reduce the conditions of edge burning and collapse in the welding process, avoid the thinning of the wall thickness after finishing and polishing the welding area and improve the welding quality of steel belt butt joint.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a continuous oil pipe steel belt butt joint process, which comprises the following steps: step 1, cleaning the end part of a continuous oil pipe steel belt joint to remove dirt, impurities and burrs; step 2, performing wall thickness increasing treatment on the end part of the continuous oil pipe steel belt joint by using a hammering end face method; step 3, trimming the end parts of the steel band joints of the two butted sections of the continuous oil pipes by using a band saw, and then aligning tightly, wherein the welding is firm and reliable by using a plasma welding machine; and 4, finishing the welding port, and polishing to remove welding burrs and welding beading.
Further, in the step 2, the wall thickness of the end part of the continuous oil pipe steel belt joint after hammering is 1.05-1.1 times of the original wall thickness.
A steel strip butt joint raw material thickening device is used for hammering and thickening the end portion of a butt joint of a continuous oil pipe steel strip in the process and comprises a rack, an upper ejection and a pneumatic pick, wherein top clamping plates are horizontally arranged on the tops of two side plates of the rack, the upper ejection is arranged below the top clamping plates and driven by a hydraulic cylinder to move up and down, a cantilever at the end portion of the continuous oil pipe steel strip is tightly pressed between the top clamping plates and the upper ejection when the upper ejection is lifted up, the pneumatic pick is arranged on one side of the rack corresponding to the end portion of the continuous oil pipe steel strip joint, and a hammering head of the pneumatic pick repeatedly hammers the end portion of the continuous oil pipe steel strip joint.
Furthermore, a side reinforcing plate is arranged above the top clamping plate, the side reinforcing plate is clamped at the tops of the two side plates of the rack through a screw rod connecting piece, and the hanging ring penetrates through the side reinforcing plate and is in threaded connection with the tops of the two side plates of the rack.
Furthermore, a front supporting plate is arranged in front of the rack, two opposite clamping blocks are arranged on the front supporting plate, and the clamping blocks slide on the first rail and are driven by a first driving mechanism to clamp or loosen the side edge of the continuous oil pipe steel belt.
Furthermore, the two first rails are arranged on a first platform, the first platform slides on a second rail and is driven by a second driving mechanism to move the coiled tubing steel strip forwards or backwards, the second rail is perpendicular to the first rail, and the two second rails are arranged on the front supporting plate.
Furthermore, a rear supporting plate is arranged behind the rack, a second platform is arranged on the rear supporting plate, and the air pick is installed on the second platform through a clamping plate.
Furthermore, the second platform slides on a third rail and is driven by a third driving mechanism to drive the air pick to move left and right along the short side direction of the end part of the continuous oil pipe steel belt joint, and the two third rails are arranged on the rear supporting plate.
Furthermore, the bottom of frame is connected with the bottom plate revolving stage of level setting, the bottom plate revolving stage passes through the slewing bearing and can be connected on the third platform of rotation, install first gear motor on the bottom plate revolving stage, the output shaft of first gear motor has the pinion, the pinion meshing is connected slewing bearing's outer ring gear.
Furthermore, the third platform slides on a fourth track and is driven by a fourth driving mechanism to slide along the fourth track, the two fourth tracks are arranged on a base, and foundation bolt mounting holes are formed in the base.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the continuous oil pipe steel belt butt joint process, cold deformation of a metal body structure occurs through axial hammering of the end part of a continuous oil pipe steel belt joint, or thermal deformation occurs through hammering after heating, the butt joint position of the end part of the steel belt joint is thickened, and the short edge of the end part of the steel belt joint is increased in uniform thickness; and carrying out butt welding through a plasma welding device after thickening to ensure that the residual height is as small as possible, and trimming the outer surface of the welded junction part to the size of the original steel strip through polishing. Compared with the prior art, the phenomenon of edge burning and grinding thinning after butt welding of the steel strips is solved, after the welding position and the thermal induction area are thickened, the position is higher in strength, the yield position is transferred to the original pipe position, and the problem that the butt joint position of the steel strips is easy to break is solved. The continuous oil pipe steel strip butt joint process can effectively reduce the situations of edge burning and collapse in the welding process, avoid the thinning of the wall thickness after finishing and polishing of the welding area, and improve the welding quality of steel strip butt joint.
According to the steel strip butt joint raw material thickening equipment, the hammer head is driven by the pneumatic pick to axially and vertically hammer the end face of the end part of the continuous oil pipe steel strip joint, so that the hammer strength can be improved, the hammer strength is ensured to be uniform, the uniform thickening effect is ensured, the manpower is saved, and the production operation efficiency is improved.
In addition, the strength of the top of the side plate of the rack is increased conveniently by arranging the side reinforcing plate, so that the top clamping plate is not easy to move or fall off when being subjected to impact force; through the setting of rings, when increasing the joint strength of side reinforcing plate, the equipment hoist and mount operation of being convenient for. The two clamping blocks slide on the first rail and are driven by the first driving mechanism to clamp or loosen the side edge of the continuous oil pipe steel belt, so that the continuous oil pipe steel belt needing thickening treatment is pre-clamped conveniently, meanwhile, the first platform drives the clamping blocks and the continuous oil pipe steel belt to move forwards or backwards, the length of a cantilever which is ejected upwards and is easy to adjust and is leaked out of the top clamping plate at the end part of the continuous oil pipe steel belt joint is convenient to adjust, the length of a thickened area of the steel belt is convenient to adjust, and the cantilever is prevented from being bent due to overlong. The second platform slides on the third rail and is driven by the third driving mechanism to drive the air pick to move left and right along the direction of the short edge of the end part of the continuous oil pipe steel belt joint, so that the speed and the direction of the left and right movement of the air pick can be controlled manually, the thickness of the end part of the continuous oil pipe steel belt joint can be increased uniformly, and meanwhile, the thickness size and the quality can be increased controllably. The mechanism on bottom plate revolving stage upper portion can rotate through the connection that the bottom plate revolving stage can be rotatory on the third platform, is convenient for align longer coiled tubing steel band, because the inconvenient adjustment of coiled tubing steel band about 300 meters gets into the angle of clamping device, all make clamping mechanism part can rotate the convenient operation with very big, improve the operating efficiency. The left and right positions of the part mechanism above the third platform can be adjusted by sliding the third platform on the fourth rail, so that the long coiled tubing steel belt can be conveniently aligned, and the position of the coiled tubing steel belt about 300 meters is inconvenient to adjust and enters the clamping device, so that the clamping mechanism part can move left and right to greatly facilitate operation, the position of the coiled tubing steel belt is prevented from being manually adjusted, and manpower is saved.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the process flow of the steel strip butt joint of the present invention;
FIG. 2 is a schematic structural diagram of a steel strip butt joint raw material thickening device in a front view;
FIG. 3 is a right-side view schematic structural diagram of a steel strip butt joint log thickening device of the present invention;
FIG. 4 is a schematic perspective view of a first apparatus for thickening a butt-jointed raw material of a steel strip according to the present invention;
FIG. 5 is a schematic perspective view of a second embodiment of the apparatus for thickening steel strip butt-jointed lumber according to the present invention;
description of reference numerals: 1. a frame; 101. a top clamping plate; 102. measuring a reinforcing plate; 103. a front fascia; 104. a rear support plate; 105. a base plate turntable; 106. a first reduction motor; 2. upward ejection; 3. a clamping block; 301. a first track; 302. a first drive mechanism; 4. a first platform; 401. a second track; 402. a second drive mechanism; 5. a second platform; 501. a third track; 502. a third drive mechanism; 6. a pneumatic pick; 601. a splint; 602. a hammering head; 7. a third platform; 701. a fourth track; 702. a fourth drive mechanism; 703. a slewing bearing; 8. a base.
Detailed Description
The core of the invention is to provide a continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof, which can effectively reduce the conditions of edge burning and collapse in the welding process, avoid the thinning of the wall thickness after finishing and polishing the welding area and improve the welding quality of steel belt butt joint.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the drawings, FIG. 1 is a schematic view of a steel strip butt-joint process of the present invention; FIG. 2 is a schematic structural diagram of a steel strip butt joint raw material thickening device in a front view; FIG. 3 is a right-side view schematic structural diagram of a steel strip butt joint log thickening device of the present invention; FIG. 4 is a schematic perspective view of a first apparatus for thickening a butt-jointed raw material of a steel strip according to the present invention; fig. 5 is a schematic perspective view of a steel strip butt joint raw material thickening device according to the present invention.
In one embodiment, as shown in fig. 1, a coiled tubing steel strip butt joint process comprises:
step 2, butting the end part of the continuous oil pipe steel belt joint to increase the wall thickness by using a method of hammering the end surface, wherein the end part of the continuous oil pipe steel belt joint can be manually hammered or processed by using special equipment, and the end part of the continuous oil pipe steel belt joint can be heated in the hammering process;
and 5, finishing the welding port, and polishing to remove welding burrs and welding beading.
Through axial hammering of the end part of the steel strip joint of the continuous oil pipe, cold deformation of a metal body structure occurs, or thermal deformation occurs by hammering after heating, the butt joint position of the end part of the steel strip joint is thickened, and the short side of the end part of the steel strip joint is increased in uniform thickness; and carrying out butt welding through a plasma welding device after thickening to ensure that the residual height is as small as possible, and trimming the outer surface of the welded junction part to the size of the original steel strip through polishing. Compared with the prior art, the phenomenon of edge burning and grinding thinning after butt welding of the steel strips is solved, after the welding position and the thermal induction area are thickened, the position is higher in strength, the yield position is transferred to the original pipe position, and the problem that the butt joint position of the steel strips is easy to break is solved. The continuous oil pipe steel strip butt joint process can effectively reduce the situations of edge burning and collapse in the welding process, avoid the thinning of the wall thickness after finishing and polishing of the welding area, and improve the welding quality of steel strip butt joint.
Specifically, in the step 2, the wall thickness of the end part of the continuous tubing steel strip joint after hammering is 1.05-1.1 times of the original wall thickness. A large number of experiments show that the wall thickness of the end part of the steel belt joint connected with the continuous oil pipe is controlled to be within the range after the end part is hammered, and a better welding effect can be obtained on the premise of reasonable cost.
In the following table 1 of the comparative test, it can be seen that the mechanical properties of the thickened steel strip butted continuous oil pipe sample processed by the process of the invention are obviously superior to those of the continuous oil pipe sample directly subjected to steel strip butting in the prior art, the tensile strength, the yield strength and the fatigue times are all closer to those of the original pipe, the welding quality is higher, and the service life of the continuous oil pipe is prolonged.
TABLE 1
The invention also discloses a steel strip butt joint raw material thickening device, which is used for hammering and thickening the end part of the joint of the continuous oil pipe steel strip in the continuous oil pipe steel strip butt joint process and comprises a rack 1, an upward ejection 2 and an air pick 6, wherein the tops of two side plates of the rack 1 are horizontally and fixedly connected with a top clamping plate 101, the upward ejection 2 is arranged below the top clamping plate 101 and is driven by a hydraulic cylinder to make ascending and descending actions, a cantilever at the end part of the continuous oil pipe steel strip joint is tightly pressed between the top clamping plate 101 and the upward ejection 2 when the upward ejection 2 ascends, the air pick 6 is arranged on one side of the rack 1 corresponding to the end part of the continuous oil pipe steel strip joint, and a hammer head 602 of the air pick 6 repeatedly hammers the end part of the continuous oil pipe steel strip joint.
The hammer head 602 is driven by the pneumatic pick 4 to axially and vertically hammer the end face of the end part of the continuous oil pipe steel belt joint, so that the hammer strength can be improved, the hammer strength is ensured to be uniform, the uniform thickening effect is ensured, the manpower is saved, and the production operation efficiency is improved.
In an embodiment of the present invention, as shown in fig. 2 to 5, a side reinforcing plate 102 is disposed above the top clamping plate 101, the two side reinforcing plates 102 are clamped on the tops of the two side plates of the frame 1 by using a screw connector, and the hanging ring is threaded on the tops of the two side plates of the frame 1 through the side reinforcing plate 102.
The side reinforcing plates 102 are arranged, so that the strength of the top of the side plate of the rack 1 is increased conveniently, and the top clamping plate 101 is not easy to move or fall off when being subjected to impact force; through the arrangement of the hanging ring, the connection strength of the side reinforcing plate 102 is improved, and meanwhile, the equipment hoisting operation is facilitated.
In an embodiment of the present invention, as shown in fig. 2, 4 and 5, a front supporting plate 103 is welded to the front of the frame 1, two opposite clamping blocks 3 of an angle plate shape are provided on the front supporting plate 103, and the clamping blocks 3 slide on a first rail 301 and are driven by a first driving mechanism 302 to perform an operation of clamping or releasing the side edge of the coiled tubing steel strip. The first driving mechanism 302 specifically adopts a mode that a handle drives a double-head screw to rotate so as to drive sliders on two sides to move oppositely, and the sliders are connected below the clamping block 3.
Specifically, two first rails 301 are provided on the first platform 4, the first platform 4 slides on a second rail 401, and is driven by a second driving mechanism 402 to perform an action of moving the coiled tubing steel strip forward or backward, the second rail 401 is provided perpendicular to the first rails 301, and the two second rails 401 are provided on the front pallet 103. The second driving mechanism 402 specifically adopts a mode that a handle drives a lead screw to rotate so as to drive a sliding block, and the sliding block is connected below the first platform 4.
The two clamping blocks 3 slide on the first rail 301 and are driven by the first driving mechanism 302 to clamp or loosen the side edge of the continuous oil pipe steel belt, so that the continuous oil pipe steel belt needing thickening treatment is pre-clamped conveniently, and meanwhile, the first platform 4 drives the clamping blocks 3 and the continuous oil pipe steel belt to move forwards or backwards, so that the length of a cantilever of which the end part of the continuous oil pipe steel belt joint is leaked out of the top clamping plate 101 and the top 2 is conveniently adjusted, the length of a thickened area of the steel belt is favorably adjusted, and the cantilever is prevented from being bent due to overlong length.
In an embodiment of the present invention, as shown in fig. 2 to 5, a rear supporting plate 104 is horizontally disposed behind the machine frame 1, a second platform 5 is disposed on the rear supporting plate 104, and the air pick 6 is mounted on the second platform 5 through a clamping plate 601 using bolts.
Specifically, the second platform 5 slides on the third rails 501, and is driven by the third driving mechanism 502 to move the air pick 6 left and right along the short side direction of the end of the continuous oil pipe steel strip joint, and the two third rails 501 are disposed on the rear support plate 104. The third driving mechanism 502 specifically adopts a mode that a handle drives a lead screw to rotate so as to drive a sliding block, and the sliding block is connected below the second platform 5.
The second platform 5 slides on the third track 501 and is driven by the third driving mechanism 502 to drive the air pick 6 to move left and right along the short side direction of the end part of the continuous oil pipe steel belt joint, so that the left and right movement speed and direction of the air pick 6 can be controlled manually, the thickness of the end part of the continuous oil pipe steel belt joint can be increased uniformly, and meanwhile, the thickness size and quality can be increased controllably.
In an embodiment of the present invention, as shown in fig. 2 to 5, a horizontally disposed floor turn table 105 is connected to the bottom of the frame 1, the floor turn table 105 is rotatably connected to the third platform 7 through a slewing bearing 703, a first reduction motor 106 is flange-mounted to an upper end of the floor turn table 105, an output shaft of the first reduction motor 106 is connected to a pinion, and the pinion is engaged with an outer ring gear of the slewing bearing 703 at a lower portion of the floor turn table 105.
The connection that can rotate through bottom plate revolving stage 105 can make the mechanism on bottom plate revolving stage 105 upper portion rotate on third platform 7, is convenient for align longer coiled tubing steel band, because the inconvenient adjustment of coiled tubing steel band about 300 meters gets into the angle of clamping device, all make clamping mechanism part can rotate the very big convenient operation, improve the operating efficiency.
In an embodiment of the present invention, as shown in fig. 2 to 5, the third platform 7 slides on the fourth rails 701 and is driven by the fourth driving mechanism 702 to slide along the fourth rails 701, the two fourth rails 701 are disposed on the base 8, and the base 8 is provided with the anchor bolt mounting holes. The fourth driving mechanism 702 specifically adopts a mode that a motor drives a lead screw to rotate so as to drive a sliding block, and the sliding block is connected below the third platform 7.
The third platform 7 slides on the fourth rail 701, the left position and the right position of the part of mechanisms above the third platform 7 can be adjusted, the long coiled tubing steel belt can be aligned conveniently, the left position and the right position of the coiled tubing steel belt of about 300 meters can be adjusted inconveniently to enter a clamping device, the clamping mechanism can be moved leftwards and rightwards to achieve great convenient operation, the position of the coiled tubing steel belt can be prevented from being adjusted manually, and manpower is saved.
According to the steel belt butt joint raw material thickening equipment, the hammer head 602 is driven by the air pick 4 to axially and vertically hammer the end face of the end part of the continuous oil pipe steel belt joint, so that the hammer strength can be improved, the hammer strength is ensured to be uniform, the uniform thickening effect is ensured, the manpower is saved, and the production operation efficiency is improved. In addition, the strength of the top of the side plate of the frame 1 is increased conveniently by arranging the side reinforcing plate 102, so that the top clamping plate 101 is not easy to move or fall off when being subjected to impact force; through the arrangement of the hanging ring, the connection strength of the side reinforcing plate 102 is improved, and meanwhile, the equipment hoisting operation is facilitated. The two clamping blocks 3 slide on the first rail 301 and are driven by the first driving mechanism 302 to clamp or loosen the side edge of the continuous oil pipe steel belt, so that the continuous oil pipe steel belt needing thickening treatment is pre-clamped conveniently, and meanwhile, the first platform 4 drives the clamping blocks 3 and the continuous oil pipe steel belt to move forwards or backwards, so that the length of a cantilever of which the end part of the continuous oil pipe steel belt joint is leaked out of the top clamping plate 101 and the top 2 is conveniently adjusted, the length of a thickened area of the steel belt is favorably adjusted, and the cantilever is prevented from being bent due to overlong length. The second platform 5 slides on the third track 501 and is driven by the third driving mechanism 502 to drive the air pick 6 to move left and right along the short side direction of the end part of the continuous oil pipe steel belt joint, so that the left and right movement speed and direction of the air pick 6 can be controlled manually, the thickness of the end part of the continuous oil pipe steel belt joint can be increased uniformly, and meanwhile, the thickness size and quality can be increased controllably. The connection that can rotate through bottom plate revolving stage 105 can make the mechanism on bottom plate revolving stage 105 upper portion rotate on third platform 7, is convenient for align longer coiled tubing steel band, because the inconvenient adjustment of coiled tubing steel band about 300 meters gets into the angle of clamping device, all make clamping mechanism part can rotate the very big convenient operation, improve the operating efficiency. The third platform 7 slides on the fourth rail 701, the left position and the right position of the part of mechanisms above the third platform 7 can be adjusted, the long coiled tubing steel belt can be aligned conveniently, the left position and the right position of the coiled tubing steel belt of about 300 meters can be adjusted inconveniently to enter a clamping device, the clamping mechanism can be moved leftwards and rightwards to achieve great convenient operation, the position of the coiled tubing steel belt can be prevented from being adjusted manually, and manpower is saved.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (10)
1. The continuous oil pipe steel belt butt joint process is characterized by comprising the following steps:
step 1, cleaning the end part of a continuous oil pipe steel belt joint to remove dirt, impurities and burrs;
step 2, performing wall thickness increasing treatment on the end part of the continuous oil pipe steel belt joint by using a hammering end face method;
step 3, trimming the end parts of the steel band joints of the two butted sections of the continuous oil pipes by using a band saw, and then aligning tightly, wherein the welding is firm and reliable by using a plasma welding machine;
and 4, finishing the welding port, and polishing to remove welding burrs and welding beading.
2. The coiled tubing steel strip butt joint process according to claim 1, characterized in that: in the step 2, the wall thickness of the end part of the continuous oil pipe steel belt joint after hammering is 1.05-1.1 times of the original wall thickness.
3. A steel strip butt-joint log thickening apparatus for hammer-peening the joint end of a continuous tubing steel strip as set forth in claim 1 or 2, wherein: including frame (1), go up and push out (2) and pneumatic pick (6), two curb plate top levels of frame (1) are provided with top splint (101), it sets up to go up ejecting (2) top splint (101) below is made the descending action that rises by the pneumatic cylinder drive, it will to go up when ejecting (2) goes up the coiled tubing steel band joint tip cantilever compresses tightly between top splint (101) and last ejecting (2), frame (1) is in one side setting that coiled tubing steel band joint tip corresponds pneumatic pick (6), hammering is repeated in hammering head (602) of pneumatic pick (6) coiled tubing steel band joint tip.
4. A steel strip butt joint log thickening apparatus according to claim 3, wherein: side reinforcing plates (102) are arranged above the top clamping plate (101), the two side reinforcing plates (102) are clamped at the tops of the two side plates of the rack (1) through screw rod connecting pieces, and the hanging ring penetrates through the side reinforcing plates (102) and is in threaded connection with the tops of the two side plates of the rack (1).
5. A steel strip butt joint log thickening apparatus according to claim 3, wherein: the front supporting plate (103) is arranged in front of the rack (1), two opposite clamping blocks (3) are arranged on the front supporting plate (103), and the clamping blocks (3) slide on the first track (301) and are driven by the first driving mechanism (302) to clamp or loosen the side edge of the continuous oil pipe steel belt.
6. A steel strip butt-joint log thickening apparatus according to claim 5, wherein: the two first tracks (301) are arranged on a first platform (4), the first platform (4) slides on a second track (401) and is driven by a second driving mechanism (402) to move the coiled tubing steel strip forwards or backwards, the second track (401) is perpendicular to the first track (301), and the two second tracks (401) are arranged on the front supporting plate (103).
7. A steel strip butt joint log thickening apparatus according to claim 3, wherein: the rear of frame (1) is provided with back layer board (104), be provided with second platform (5) on back layer board (104), pneumatic pick (6) are installed through splint (601) on second platform (5).
8. The steel strip butt joint log thickening apparatus according to claim 7, wherein: the second platform (5) slides on third tracks (501) and is driven by a third driving mechanism (502) to drive the air pick (6) to move left and right along the short side direction of the end part of the continuous oil pipe steel strip connector, and the two third tracks (501) are arranged on the rear supporting plate (104).
9. A steel strip butt joint log thickening apparatus according to any one of claims 3 to 8, wherein: the bottom of frame (1) is connected with the bottom plate revolving stage (105) of level setting, bottom plate revolving stage (105) can be connected on third platform (7) through slewing bearing (703) is rotatory, install first gear motor (106) on bottom plate revolving stage (105), the output shaft of first gear motor (106) is connected with the pinion, the pinion meshing is connected the outer ring gear of slewing bearing (703).
10. The operating method of a steel strip butt stock thickening apparatus according to claim 9, wherein: the third platform (7) slides on a fourth rail (701) and is driven by a fourth driving mechanism (702) to slide along the fourth rail (701), the two fourth rails (701) are arranged on a base (8), and foundation bolt mounting holes are formed in the base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911297419.7A CN110860773B (en) | 2019-12-17 | 2019-12-17 | Continuous oil pipe steel belt butt joint process and raw material thickening equipment thereof |
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| CN110860773B (en) | 2023-09-26 |
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Inventor after: Dong Jian Inventor after: Zheng Bin Inventor after: Zhang Shujun Inventor after: Sun Qifa Inventor after: Duan Jianliang Inventor after: Wan Yushi Inventor after: Zhang Yali Inventor after: Song Huanpeng Inventor before: Dong Jian Inventor before: Zheng Bin Inventor before: Zhang Shujun Inventor before: Sun Qifa Inventor before: Duan Jianliang Inventor before: Wan Yushi Inventor before: Zhang Yali Inventor before: Song Huanpeng |