Pipeline film coating machine and using method thereof
阅读说明：本技术 管道包膜机及其使用方法 (Pipeline film coating machine and using method thereof ) 是由 袁小伟 艾尼·阿吾提 吕慧捷 吕向晖 伊海涛 于 2020-07-07 设计创作，主要内容包括：一种管道包膜机及其使用方法,包括管道夹紧机构,膜卷缠绕机构和推动机构；管道夹紧机构为半分结构；膜卷缠绕机构设于管道夹紧机构内侧,动机构设于管道夹紧机构的一端外侧；管道夹紧机构包括第一支撑板和第二支撑板,第一支撑板为两块、分别沿轴向分布于一侧,第二支撑板为两块、分别沿轴线分布于另一侧；相同侧的支撑板通过轴向延伸的第一定位栓连接,且相互组配的第一支撑板与第二支撑板通过安装板实现固定组配；管道夹紧机构还包括完整支撑板外侧面的管道压合机构,所述的管道压合机构包括沿完整支撑板周向分布的至少两个压紧轮,所述的压紧轮能沿支撑板径向伸缩实现对管道的压紧。具有不需要人工直接作业,效率高,成本低的优点。(A pipeline film coating machine and a using method thereof comprise a pipeline clamping mechanism, a film roll winding mechanism and a pushing mechanism; the pipeline clamping mechanism is of a half-split structure; the film roll winding mechanism is arranged on the inner side of the pipeline clamping mechanism, and the moving mechanism is arranged on the outer side of one end of the pipeline clamping mechanism; the pipeline clamping mechanism comprises a first supporting plate and a second supporting plate, the number of the first supporting plates is two, the first supporting plates are respectively distributed on one side along the axial direction, and the number of the second supporting plates is two, and the second supporting plates are respectively distributed on the other side along the axial line; the supporting plates on the same side are connected through a first positioning bolt extending axially, and the first supporting plate and the second supporting plate which are assembled with each other are fixedly assembled through a mounting plate; the pipeline clamping mechanism further comprises a pipeline pressing mechanism on the outer side surface of the complete supporting plate, the pipeline pressing mechanism comprises at least two pressing wheels distributed along the circumferential direction of the complete supporting plate, and the pressing wheels can stretch out and draw back along the radial direction of the supporting plate to press the pipeline. The method has the advantages of no need of manual direct operation, high efficiency and low cost.)
1. The utility model provides a pipeline coating machine which characterized in that: comprises a pipeline clamping mechanism, a film roll winding mechanism and a pushing mechanism; the pipeline clamping mechanism is of a half-split structure so as to realize surrounding clamping of the pipeline, the film roll winding mechanism is arranged on the inner side of the pipeline clamping mechanism and can rotate along the circumferential direction of the pipeline so as to realize film wrapping of the pipeline, and the pushing mechanism is arranged on the outer side of one end of the pipeline clamping mechanism so as to realize movement of the film wrapping machine along the axial direction of the pipeline; the pipeline clamping mechanism comprises a first supporting plate and a second supporting plate, the number of the first supporting plates is two, the first supporting plates are respectively distributed on one side along the axial direction, the number of the second supporting plates is two, the second supporting plates are respectively distributed on the other side along the axial line, and the two first supporting plates and the two second supporting plates are respectively assembled to form two complete supporting plates for clamping a pipeline; the supporting plates on the same side are connected through a first positioning bolt extending axially, and the first supporting plate and the second supporting plate which are assembled with each other are fixedly assembled through a mounting plate; the pipeline clamping mechanism further comprises a pipeline pressing mechanism arranged on the outer side surface of a complete supporting plate formed by assembling the first supporting plate and the second supporting plate, the pipeline pressing mechanism comprises at least two pressing wheels distributed along the circumferential direction of the complete supporting plate, and the pressing wheels can stretch out and draw back along the radial direction of the supporting plate to realize the pressing of the pipeline.
2. The pipe coating machine of claim 1, wherein: the four pressing wheels are uniformly distributed along the circumferential direction of the complete supporting plate, and the pressing wheels can be in rolling connection with the pipeline; the first positioning bolts are four and are circumferentially and uniformly distributed between the first supporting plate and the second supporting plate so as to realize the connection of the two complete supporting plates in the axial direction.
3. The pipe coating machine of claim 1, wherein: the first positioning bolt is of a screw rod structure and can stretch out and draw back along the axial direction.
4. The pipe coating machine of claim 1, wherein: the film roll winding mechanism comprises a track disc positioned on the inner side of one of the two complete supporting plates, the track disc is formed by assembling a first track half disc and a second track half disc respectively, and a film roll machine is arranged on the track disc; the inner side of the other one of the two complete supporting plates is provided with a gear disc, and the gear disc is formed by assembling a first gear half disc and a second gear half disc; the track disc is connected with the gear disc through a second positioning bolt extending axially; the gear disc is meshed with the pinion disc, and the pinion disc is driven to rotate circumferentially by the driving motor.
5. The pipe coating machine of claim 4, wherein: the film rolling machine comprises a film rolling support, wherein the film rolling support forms an angle of 35-45 degrees with the axis of the pipeline and forms an elevation angle of 1-1.5 degrees with the horizontal central axis of the pipeline.
6. The pipe coating machine of claim 4, wherein: and a first roller wheel disc is arranged between the gear disc and the adjacent complete supporting plate, the first roller wheel disc is fixed on the complete supporting plate, and the extending end of a second positioning bolt connected with the gear disc is in rolling connection with the second roller wheel disc so as to realize the support and circumferential guide of the gear disc.
7. The pipe coating machine of claim 4, wherein: and a second roller wheel disc is arranged between the track disc and the adjacent complete supporting plate, the second roller wheel disc is fixed on the complete supporting plate, and the extending end of a second positioning bolt connected with the track disc is in rolling connection with the second roller wheel disc so as to realize the support and circumferential guide of the track disc.
8. The pipe coating machine of claim 1, wherein: the pushing mechanism is positioned on the outer side of one of the two complete supporting plates and comprises at least one group of rotating plate mounting brackets and a rotating plate positioned on the rotating plate mounting brackets, and a driving wheel is arranged on the rotating plate; the pipeline pressing device is characterized in that a pressing adjusting mechanism is arranged between the rotating plate mounting support and the rotating plate to realize pressing adjustment of the driving wheel on the pipeline, and the driving wheel is in transmission connection with the driving motor through a chain to realize movement of the driving wheel on the pipeline.
9. The pipe coating machine of claim 8, wherein: the at least one group of rotating plate mounting brackets are a group and are symmetrically distributed along the radial direction of the complete supporting plate, each rotating plate mounting bracket is provided with a rotating plate, and the rotating plate is provided with a driving wheel; a group of driving wheels are distributed on two sides of the pipeline to realize the cohesion of the pipeline.
10. The use method of the pipeline film coating machine is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) firstly, mounting a half-divided pipeline film coating machine on a pipeline, enabling the pipeline to penetrate through the pipeline film coating machine, and then assembling the half-divided pipeline film coating machine into a finished structure; then adjusting the height of a pressing wheel to enable the pipeline film coating machine to surround the pipeline, and adjusting a pressing condition mechanism to enable the pipeline film coating machine to be overlapped with the axis of the pipeline;
(2) the position of the driving wheel is adjusted, so that the driving wheel and the pipeline keep fit force, the single wheel is 6-8N, the single wheel fit force is 6-8N along with the diameter change of the pipeline, the stepping motor drives the driving wheel to rotate, and the driving rotating speed is adjusted between 80-175 r/min.
(3) Adjusting the angle between the film rolling machine and the axis of the pipeline to be 35-45 degrees, and the elevation angle between the film rolling machine and the horizontal central axis of the pipeline to be 1-1.5 degrees, wherein the film firstly winds the pipeline for 1-3 circles; when the track disc rotates, the film roll rotates along with the track disc and needs to be matched with the speed of the driving wheel, the rotating speed is usually 95-150 r/min, and the overlapping size is 1.2-1.8 mm.
(4) After the film roll is used, the driving motor is stopped to rotate, the rotary stepping motor is stopped, an alarm prompt is given, and after the film roll is mounted, the driving wheel driving motor and the film roll driving motor are automatically started.
11. The use method of the pipe coating machine according to claim 10, characterized in that: the single-wheel pressing force of the pressing wheel in the step (1) is 3-5N; and (3) pressing force of a single wheel of the driving wheel on the pipeline in the step (2) is 6-8N.
Technical Field
The application relates to the technical field of secondary wrapping of a protective layer outside a pipeline, in particular to a pipeline film coating machine and a using method thereof.
Background
The external protective layer of the oil and gas pipeline used for a long time can be naturally aged, and once the protective layer is aged, a new protective layer needs to be replaced; however, because the pipeline is used, the pipeline coating can be completed only by manual operation, namely, the protective film is wound on the outer side wall of the Daoi pipeline by workers, and the manual coating inevitably causes low efficiency, severe operation environment (large wind and sand, high temperature) and high operation cost.
Disclosure of Invention
In order to solve the technical problem, the technical scheme adopted by the application is as follows: a pipeline film coating machine which does not need manual direct operation and has high efficiency and low cost.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: a pipeline film coating machine comprises a pipeline clamping mechanism, a film roll winding mechanism and a pushing mechanism; the pipeline clamping mechanism is of a half-split structure so as to realize surrounding clamping of the pipeline, the film roll winding mechanism is arranged on the inner side of the pipeline clamping mechanism and can rotate along the circumferential direction of the pipeline so as to realize film wrapping of the pipeline, and the pushing mechanism is arranged on the outer side of one end of the pipeline clamping mechanism so as to realize movement of the film wrapping machine along the axial direction of the pipeline; the pipeline clamping mechanism comprises a first supporting plate and a second supporting plate, the number of the first supporting plates is two, the first supporting plates are respectively distributed on one side along the axial direction, the number of the second supporting plates is two, the second supporting plates are respectively distributed on the other side along the axial line, and the two first supporting plates and the two second supporting plates are respectively assembled to form two complete supporting plates for clamping a pipeline; the supporting plates on the same side are connected through a first positioning bolt extending axially, and the first supporting plate and the second supporting plate which are assembled with each other are fixedly assembled through a mounting plate; the pipeline clamping mechanism further comprises a pipeline pressing mechanism arranged on the outer side surface of a complete supporting plate formed by assembling the first supporting plate and the second supporting plate, the pipeline pressing mechanism comprises at least two pressing wheels distributed along the circumferential direction of the complete supporting plate, and the pressing wheels can stretch out and draw back along the radial direction of the supporting plate to realize the pressing of the pipeline.
Adopt above-mentioned structure, do not need manual work, only need open the clamping device of half minute structure, the pipeline outer wall is located to the cover, then the tight pipeline of reassembling clamp, roll up winding mechanism circumference rotation through the membrane and with the membrane cladding on the pipeline lateral wall, then pushing mechanism promotes whole pipeline coating machine along pipeline axial displacement simultaneously to realized the secondary coating action to the pipeline, do not need manual work, efficient, with low costs, easy operation is quick. The first supporting plate and the second supporting plate are separated firstly, the first supporting plate and the second supporting plate are sleeved on the pipeline, then the first supporting plate and the second supporting plate are closed to be assembled into a complete supporting plate, then the pipeline is held by adjusting the pressing wheel, the structure can be particularly applied to secondary enveloping of the pipeline in use (long-time use, existing protective films cannot be used normally, and the pipeline needs to be enveloped again to protect the pipeline), and due to the closed loop of the pipeline, the technical problem is effectively solved by adopting a split type structure.
Preferably, the number of the pressing wheels is four, the pressing wheels are uniformly distributed along the circumferential direction of the complete supporting plate, and the pressing wheels can be in rolling connection with the pipeline; by adopting the structure, the clamping device can ensure that the pinch roller and the pipeline are tightly embraced, and meanwhile, the rolling connection can also not hinder the whole mechanism from running along the axial direction of the pipeline.
Preferably, the number of the first positioning bolts is four, and the first positioning bolts are circumferentially and uniformly distributed between the first supporting plate and the second supporting plate so as to realize the connection of the two complete supporting plates in the axial direction.
Further preferably, the first positioning bolt is of a screw rod structure and can stretch and retract along the axial direction; the length of the whole pipeline film coating machine can be adjusted by the structure, so that the pipeline film coating machine can be better attached to a pipeline needing film coating correspondingly.
Preferably, the film roll winding mechanism comprises a track disc positioned on the inner side of one of the two complete supporting plates, the track disc is formed by assembling a first track half disc and a second track half disc respectively, and a film roll machine is arranged on the track disc; the inner side of the other one of the two complete supporting plates is provided with a gear disc, and the gear disc is formed by assembling a first gear half disc and a second gear half disc; the track disc is connected with the gear disc through a second positioning bolt extending axially; the gear disc is meshed with the pinion disc, and the pinion disc is driven to rotate circumferentially by the driving motor. The setting of this structure can be so that the membrane is rolled up winding mechanism and is rolled up winding mechanism along pipeline circumference rotary motion under driving motor's drive to the cladding of membrane is easily realized unreeling.
Preferably, the film roll support of the film roll machine forms an angle of 35-45 degrees with the axis of the pipeline and forms an elevation angle of 1-1.5 degrees with the horizontal central axis of the pipeline; by adopting the structure, good coating can be realized, and the problems of bag leakage or transition coating and the like can not occur.
Preferably, a first roller wheel disc is arranged between the gear disc and the adjacent complete supporting plate, the first roller wheel disc is fixed on the complete supporting plate, and the extending end of a second positioning bolt connected with the gear disc is in rolling connection with the first roller wheel disc so as to realize the supporting and circumferential guiding effects on the track disc; by adopting the structure, in the rotating process of the track disc, the track disc can be well supported, and the phenomenon that the rotation is not smooth or the track disc is blocked is prevented.
Preferably, a second roller wheel disc is arranged between the track disc and the adjacent complete supporting plate, the second roller wheel disc is fixed on the complete supporting plate, and the extending end of a second positioning bolt connected with the track disc is in rolling connection with the second roller wheel disc to realize the support of the track disc; by adopting the structure, in the rotating process of the track disc, the track disc can be well supported and circumferentially guided, and the phenomenon of unsmooth rotation or jamming is prevented.
Preferably, the pushing mechanism is positioned at the outer side of one of the two complete supporting plates and comprises at least one group of rotating plate mounting brackets and a rotating plate positioned on the rotating plate mounting brackets, and the rotating plate is provided with a driving wheel; the pipeline pressing device is characterized in that a pressing adjusting mechanism is arranged between the rotating plate mounting support and the rotating plate to realize pressing adjustment of the driving wheel on the pipeline, and the driving wheel is in transmission connection with the driving motor through a chain to realize movement of the driving wheel on the pipeline. By adopting the structure, the pipeline can be compressed and axially advanced, and the complete film roll enveloping action of the pipeline is realized.
Preferably, the at least one group of rotating plate mounting brackets are a group and are radially and symmetrically distributed along the complete supporting plate, each rotating plate mounting bracket is provided with one rotating plate, and the rotating plates are provided with driving wheels; a group of driving wheels are distributed on two sides of the pipeline to realize the cohesion of the pipeline.
The application also provides a use method of the pipeline film coating machine, which specifically comprises the following steps:
(1) firstly, mounting a half-divided pipeline film coating machine on a pipeline, enabling the pipeline to penetrate through the pipeline film coating machine, and then assembling the half-divided pipeline film coating machine into a finished structure; then, the height of the pressing wheel is adjusted, so that the pipeline film coating machine surrounds the pipeline, and the pipeline film coating machine is overlapped with the axis of the pipeline by adjusting the pressing adjusting mechanism;
(2) the position of the driving wheel is adjusted, so that the driving wheel and the pipeline keep fit force, the single-wheel fit force is 6-8N along with the change of the diameter of the pipeline, the stepping motor drives the driving wheel to rotate, and the driving rotating speed is adjusted between 80-175 r/min.
(3) Adjusting the angle between the film rolling machine and the axis of the pipeline to be 35-45 degrees, and the elevation angle between the film rolling machine and the horizontal central axis of the pipeline to be 1-1.5 degrees, wherein the film firstly winds the pipeline for 1-3 circles; when the track disc rotates, the film roll rotates along with the track disc and needs to be matched with the speed of the driving wheel, the rotating speed is usually 95-150 r/min, and the overlapping size is 1.2-1.8 mm.
(4) After the film roll is used, the driving motor is stopped to rotate, the rotary stepping motor is stopped, an alarm prompt is given, and after a new film roll is installed, the driving wheel driving motor and the film roll driving motor are automatically started.
And (3) pressing force of a single wheel of the pressing wheel in the step (1) is 3-5N.
And (3) in the step (2), the pressing force of a single wheel of the driving wheel to the pipeline is 6-8N, and the loss of the advancing speed of the driving wheel can be reduced due to the limitation of the value.
A film rolling machine is installed on one side of a track disc and comprises a film rolling support, after a film roll is installed on the film rolling support, in the working process, a film is manually wound on a pipeline for 1-2 circles, and a winding machine is started, so that the automatic film wrapping of the pipeline can be realized.
Before the winding machine works, the two half parts are separated and sleeved on a pipeline, the pipeline is positioned in the middle position, the left half part and the right half part are closed, the left half part and the right half part are adjusted and fastened by using adjusting bolts, the height of a pressing wheel is adjusted, the pressing wheel gradually embraces the pipeline, the central axis of the pipeline coincides with the central axis of the winding machine, a pressing adjusting device at the right end of the winding machine is adjusted to enable a driving wheel to be in contact with the pipeline and keep a certain pressing force, a stepping motor is started and drives the driving wheel to rotate through a chain, the winding machine moves on the pipeline, meanwhile, a synchronous motor at the left side drives a large gear to rotate, the large gear drives a track disc to rotate through an inner support rod, a film roll rotates.
The height of the pinch roller of the pipeline film coating machine is adjustable, and the device can adapt to various pipeline operations of phi 60 to phi 220.
Drawings
Fig. 1a schematic view of a first angle structure of a pipe coating machine of the present application.
Figure 2 this application's pipeline coating machine second kind angle structure sketch map.
Fig. 3 is a schematic view of a third angle structure of the pipe coating machine of the present application.
Fig. 4 is a schematic view of a fourth angle structure of the pipe coating machine of the present application.
Fig. 5 is a schematic structural view of the pipe coating machine of the present application after the pushing structure is removed.
As shown in the attached drawings: a. the pipe clamping mechanism comprises a complete supporting plate, a mounting plate, a pipe clamping mechanism, a first supporting plate, a second supporting plate, a first positioning bolt, a pipe pressing mechanism, a pressing wheel, a film roll winding mechanism, a rail disc, a first rail half disc, a second rail half disc, a gear disc, a first gear half disc, a second positioning bolt, a pushing mechanism, a mounting bracket, a rotating plate, a driving wheel, a pressing adjusting mechanism, a chain, a film rolling mechanism, a film roll bracket, a small gear disc, a gear driving motor, a first roller disc, a second roller disc, a step groove and a rolling wheel, wherein the first supporting plate, the second supporting plate, the first positioning bolt, the second rail half disc, the gear disc, the second gear half disc, the gear disc, the first gear half disc, the second rail half disc, the second gear half disc, the gear disc, the second gear half disc, the driving wheel, the pressing adjusting mechanism, the chain, the film rolling mechanism, the small gear.
Detailed Description
The drawings and the following description depict specific embodiments of the application to teach those skilled in the art how to make and use the best mode of the application. For the purpose of teaching inventive principles, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.
A pipe film wrapping machine as shown in fig. 1-4, comprising a
Adopt above-mentioned structure, do not need manual work, only need open the clamping device of half minute structure, the pipeline outer wall is located to the cover, then the tight pipeline of reassembling clamp, roll up winding mechanism circumference rotation through the membrane and with the membrane cladding on the pipeline lateral wall, then pushing mechanism promotes whole pipeline coating machine along pipeline axial displacement simultaneously to realized the secondary coating action to the pipeline, do not need manual work, efficient, with low costs, easy operation is quick.
Specifically, as shown in fig. 2 to 4, four first positioning pins 1.3 extend in the axial parallel direction, and the four first positioning pins 1.3 are respectively and uniformly arranged on the complete support plate a in the circumferential direction, wherein two first support plates 1.1 and two second support plates 1.2 are respectively arranged; thereby realizing the fastening and the connection of the whole supporting plate; in addition, pinch roller 1.4a of this application also can set to four, all along the circumference evenly distributed of complete backup pad, and four pinch rollers can roll along the pipeline, and the pinch roller is fixed in the backup pad through the support simultaneously, and is provided with the swivel bolt on the support, can drive the pinch roller along the radial movement (radially outwards, perhaps radially inwards) of backup pad, realize compressing tightly or relaxing the pipeline.
Specifically, the first positioning bolt is of a screw rod structure and can stretch out and draw back along the axial parallel direction; the distance between two opposite complete supporting plates is adjusted by rotating the threads on the screw rod, and the two supporting plates are connected in the axial parallel direction; the length of the whole pipeline film coating machine can be adjusted by the structure, so that the pipeline film coating machine can be better attached to a pipeline needing film coating correspondingly.
As shown in fig. 2-4, the film
The application half minute structure, wherein two mutual matched stack half structures that involve all can realize connecting through the mounting panel, specifically all set up a mounting panel on every half mechanism part, set up a mounting panel on another corresponding half mechanism part that needs the matched stack, then pass the mounting hole realization matched stack of mounting panel through screw nut etc..
The film rolling machine 4 comprises a film rolling support 4.1, wherein the film rolling support forms an angle of 35-45 degrees with the axis of the pipeline and forms an elevation angle of 1-1.5 degrees with the horizontal central axis of the pipeline; by adopting the structure, good coating can be realized, and the defects of bag leakage or transition coating can not occur.
As shown in fig. 1-4, a first roller wheel disk 6 is disposed between the gear disk 2.2 and the adjacent complete supporting plate, the first roller wheel disk is fixed on the complete supporting plate, and the extending end of a second positioning bolt connected with the gear disk is connected with the second roller wheel disk in a rolling manner to support the track disk; by adopting the structure, in the rotating process of the track disc, the track disc can be well supported, and the phenomenon of unsmooth rotation or jamming is prevented.
As shown in fig. 1-4, a second roller disc 7 is disposed between the track disc and the adjacent complete support plate, the second roller disc is fixed on the complete support plate, and the extending end of a second positioning bolt connected with the track disc is in rolling connection with the second roller disc to support the track disc; by adopting the structure, in the rotating process of the track disc, the track disc can be well supported and accurately guided in the circumferential direction, and the phenomenon of unsmooth rotation or jamming is prevented.
Specifically, as shown in fig. 5, a rolling wheel may be disposed at an extending end of the second positioning bolt, a step groove may be disposed on the second roller disc, the step groove is circumferentially disposed along a circumference of the roller disc, and the rolling wheel and the step groove are in rolling fit to support and guide the gear disc or the track disc; the first positioning bolt and the first roller disc which correspond to the structure are correspondingly arranged.
As shown in fig. 1-4, the
As shown in fig. 1-4, the at least one set of rotating plate mounting brackets is two, two mounting brackets are symmetrically distributed along the radial direction of the complete supporting plate, each rotating plate mounting bracket is provided with a rotating plate, and the rotating plate is provided with a driving wheel; a group of driving wheels are distributed on two sides of the pipeline to realize the cohesion of the pipeline. The compressing and adjusting mechanism is specifically characterized in that two ends of the bolt pipe are in threaded connection with screws, the screw at one end is connected with the rotating plate mounting bracket, the screw at the other end is connected with the rotating plate, and the rotating plate is angularly adjusted by rotating the bolt pipe, so that the driving wheel can compress and loosen the pipeline.
The first roller disc and the second roller disc are of half-divided structures, so that the first roller disc and the second roller disc are wrapped on the outer wall of a closed pipeline in an opening state, and then the whole half-divided structures are connected through the mounting plate and the bolts to form a complete structure. The structure is similar to a track disc or a gear disc, and the description is omitted.
The application also provides a use method of the pipeline film coating machine, which specifically comprises the following steps:
(1) firstly, mounting a half-divided pipeline film coating machine on a pipeline, enabling the pipeline to penetrate through the pipeline film coating machine, and then assembling the half-divided pipeline film coating machine into a finished structure; then, the height of the pressing wheel is adjusted, so that the pipeline film coating machine surrounds the pipeline, and the pipeline film coating machine is coincided with the axis of the pipeline by adjusting a pressing condition mechanism;
(2) the position of the driving wheel is adjusted, so that the driving wheel and the pipeline keep fit force, the single wheel is 6-8N, the single wheel fit force is 6-8N along with the diameter change of the pipeline, the stepping motor drives the driving wheel to rotate, and the driving rotating speed is adjusted between 80-175 r/min.
(3) Adjusting the angle between the film rolling machine and the axis of the pipeline to be 35-45 degrees, and the elevation angle between the film rolling machine and the horizontal central axis of the pipeline to be 1-1.5 degrees, wherein the film firstly winds the pipeline for 1-3 circles; when the track disc rotates, the film roll rotates along with the track disc and needs to be matched with the speed of the driving wheel, the rotating speed is usually 95-150 r/min, and the overlapping size is 1.2-1.8 mm.
(4) After the film roll is used, the driving motor is stopped to rotate, the rotary stepping motor is stopped, an alarm prompt is given, and after the film roll is mounted, the driving wheel driving motor and the film roll driving motor are automatically started.
And (3) pressing force of a single wheel of the pressing wheel in the step (1) is 3-5N.
And (3) in the step (2), the pressing force of a single wheel of the driving wheel to the pipeline is 6-8N, and the speed loss of the driving wheel can be reduced due to the limitation of the value.
A film roll support is installed on one side of the track disc, and after the film roll is installed on the film roll support, the film roll is manually wound on the pipeline for 1-2 circles firstly during working, and the winding machine is started, so that automatic film coating of the pipeline can be achieved.
Before the winding machine works, the two half parts are separated and sleeved on a pipeline to enable the pipeline to be in an intermediate position, the left half part and the right half part are closed and fastened by bolts to clamp the pipeline, then the height of a pressing wheel is adjusted to enable the pressing wheel to gradually clamp the pipeline and enable the central axis of the pipeline to coincide with the central axis of the winding machine, a pressing adjusting device at the right end of the winding machine is adjusted to enable a driving wheel to be in contact with the pipeline and keep a certain pressing force, a stepping motor is started and drives the driving wheel to rotate through a chain to achieve the movement of the winding machine on the pipeline, meanwhile, a synchronous motor at the left side drives a gear wheel to rotate, the gear wheel drives a track disc to rotate through an inner support rod, a film roll rotates around the pipeline along with.
The height of the pinch roller of the pipeline film coating machine is adjustable, and the device can adapt to various pipeline operations of phi 60 to phi 220.
Circumferential rotation and axial displacement can be realized to this application to the automatic of having realized the pipeline protection film is convoluteed.