CN111847141A - Automatic film winding device and method for end part of pipeline concrete counterweight layer - Google Patents
Automatic film winding device and method for end part of pipeline concrete counterweight layer Download PDFInfo
- Publication number
- CN111847141A CN111847141A CN202010723024.5A CN202010723024A CN111847141A CN 111847141 A CN111847141 A CN 111847141A CN 202010723024 A CN202010723024 A CN 202010723024A CN 111847141 A CN111847141 A CN 111847141A
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- shaft
- walking
- rotating
- travelling
- film winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
- B65H81/06—Covering or wrapping elongated cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides an automatic film winding device for the end part of a pipeline concrete counterweight layer, which comprises a film winding head, and the automatic film winding device for the end part of the pipeline concrete counterweight layer further comprises: the base is provided with a track; the traveling mechanism is arranged on the base and can slide along the track; the bracket is fixedly arranged on the travelling mechanism; the film winding head is fixedly arranged on the rotating mechanism and can rotate along with the rotating mechanism; and the control box is internally provided with a PLC, and the PLC is connected with the travelling mechanism and the rotating mechanism. The invention not only ensures the film winding precision of the end part of the concrete counterweight layer, but also is beneficial to the control of the product quality; the standardization and the safety of the production operation process are improved, the labor intensity of operators and the number of the operators are greatly reduced, and the operation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of oil and gas pipeline maintenance, and particularly relates to an automatic film winding device and method for the end part of a pipeline concrete counterweight layer.
Background
As the global oil and gas industry is continually marching towards the ocean, undersea laid oil and gas pipelines are increasingly becoming an important component of global energy transportation arteries. In the marine environment, when the resistance provided by seabed foundation soil is not enough to balance wave current load, the submarine pipeline can slide out of the original position, and the 'in-situ instability' phenomenon occurs. In order to prevent the instability of the submarine pipeline, the concrete coating of the weight layer outside the pipeline is an economical and practical method.
After the pipeline finishes the concrete counterweight coating procedure on a land production line, a layer of plastic film needs to be wound outside the concrete so as to ensure the 28-day maintenance quality of the subsequent finished pipe.
In the prior art, the two ends of the counterweight pipeline are respectively completed by 2 workers in a matched and crossed winding manner. The manual operation method has the following disadvantages: firstly, the production efficiency of manual operation is low; secondly, the production site is operated by people and machines in a cross way, so that great potential safety hazards exist; in addition, the manual film winding operation requires at least 4 workers for one-time film winding, and the labor cost is too high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic film winding device and method for the end part of a pipeline concrete counterweight layer.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an automatic membrane device that twines of pipeline concrete counterweight layer tip, is including twining the membrane head, the automatic membrane device that twines of pipeline concrete counterweight layer tip still includes:
the base is provided with a track;
the traveling mechanism is arranged on the base and can slide along the track;
the bracket is fixedly arranged on the travelling mechanism;
the film winding head is fixedly arranged on the rotating mechanism and can rotate along with the rotating mechanism;
the control box is internally provided with a PLC, and the PLC is connected with the travelling mechanism and the rotating mechanism;
and the limiting sensors are arranged at the front end and the rear end of the support.
The running gear includes:
the walking motor is connected with the PLC;
the walking speed reducer is connected with the walking motor;
the walking shaft is connected with the walking speed reducer;
the walking wheels are fixed at two ends of the walking shaft;
the traveling mechanism supporting seat is rotatably sleeved on the traveling shaft.
The bracket includes:
the connecting seat is fixedly arranged on the traveling mechanism supporting seat;
the frame body is arranged on the connecting seat;
the limit sensor comprises:
the first limit sensor is arranged at the front end of the frame body;
and the second limit sensor is arranged at the rear end of the frame body. .
The rotating mechanism includes:
the rotating motor is connected with the PLC;
the rotary speed reducer is connected with the rotary motor;
the rotating shaft is connected with the rotating speed reducer;
the rotary drum is fixedly connected with the rotary shaft;
the rotating mechanism supporting seat is rotatably sleeved on the rotating shaft and is fixedly connected with the bracket.
The walking shaft comprises a front walking shaft and a rear walking shaft;
the travelling wheels comprise front travelling wheels fixedly arranged at two ends of the front travelling shaft and rear travelling wheels fixedly arranged at two ends of the rear travelling shaft;
the walking speed reducer is connected with the rear walking shaft.
The rotary drum comprises a first lower drum, a second lower drum and an upper drum;
the rotation shaft includes a first rotation shaft and a second rotation shaft;
the first rotating shaft is fixedly connected with the side wall of the first lower roller, and the second rotating shaft is fixedly connected with the side wall of the second lower roller;
the rotary speed reducer is connected with the first rotating shaft.
The traveling speed reducer is a planetary speed reducer, and a traveling bearing is sleeved on the traveling shaft.
The rotating speed reducer is a planetary speed reducer, and a rotating bearing is sleeved on the rotating shaft.
The control box is internally provided with a control circuit, the control circuit is provided with a power switch, and the control box is also provided with a control button and a power main switch.
The invention also provides the following technical scheme:
an automatic film winding method for the end part of a pipeline concrete counterweight layer comprises the following steps:
s1, tubing in place: the finished pipe after the concrete coating is transported to a set position along a track by the pipe discharging trolley;
s2, tube end inspection: quality testing personnel check the coating quality of the concrete at the pipe end;
s3, automatic winding of film in place: after confirming the field condition, an operator presses an automatic film winding advancing button on a control box of the automatic film winding device at the end part of the pipeline concrete counterweight layer, a travelling wheel moves forwards along the track, when a first limit sensor moves forwards to the foremost end of the track, the travelling wheel stops advancing, namely reaches a preset position, and meanwhile, a travelling motor and a rotating motor automatically stop;
s4, overlapping film: an operator overlaps the plastic film on the end part of the concrete;
s5, automatic winding of film: an operator presses an automatic film winding button on the control box, the walking motor and the rotating motor are started, the film winding head automatically rotates and winds, and meanwhile, the walking wheel moves backwards along the track, namely, the film performs spiral motion and is wound at the pipe end;
s6, completing the film winding: when the second limit sensor moves backwards to the rearmost end of the track, the travelling wheel stops moving backwards, namely returns to the initial position, the travelling motor and the rotating motor are automatically stopped, and an operator cuts off the film and finishes film winding operation;
s7, repeating the steps s 1-s 6 to complete the film winding operation on the next pipe;
s8, after the production task is finished, closing a power switch on the control circuit and a main power switch on the control box in time;
s9, cleaning and sweeping the surface and the track of the equipment.
Compared with the prior art, the invention has the beneficial effects that:
the PLC is adopted to control the walking motor and the rotating motor and control the film winding head to complete the film winding operation, thereby not only ensuring the film winding precision of the end part of the concrete counterweight layer, but also being beneficial to the product quality control; the standardization and the safety of the production operation process are improved, the labor intensity of operators and the number of the operators are greatly reduced, and the operation efficiency is improved; the traction of the film winding head is automatic, the speed and the height can be adjusted, the walking motor controls the walking mechanism to move along the sliding rail, the uniform traction is realized, the labor cost is saved in the whole process, the rejection rate of the counterweight coating product is reduced, and the comprehensive production cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the base.
Fig. 4 is a schematic structural view of the traveling mechanism.
Fig. 5 is a schematic structural view of the stent.
Fig. 6 is a schematic structural view of the rotating mechanism.
Fig. 7 is a schematic structural view of a wrapping head.
Fig. 8 is a schematic view of a limit sensor.
Fig. 9 is a front view of the present invention.
Fig. 10 is a left side view of the present invention.
Description of the drawings: 1-base, 11-rail;
2-a travelling mechanism, 21-a travelling motor, 22-a travelling speed reducer, 23-a travelling shaft, 231-a front travelling shaft, 232-a rear travelling shaft, 24-a travelling wheel, 241-a front travelling wheel, 242-a rear travelling wheel and 25-a travelling mechanism supporting seat;
3-bracket, 31-connecting seat, 32-frame body;
4-rotation mechanism, 41-rotation motor, 42-rotation reducer, 43-rotation axis, 431-first rotation axis, 432-second rotation axis, 44-rotation drum, 441-first lower drum, 442-second lower drum, 443-upper drum, 45-rotation mechanism support;
5-a film winding head;
6-a control box;
7-limit sensor, 71-first limit sensor, 72-second limit sensor.
Detailed Description
The invention is further illustrated by the following specific embodiments.
The automatic film wrapping device for the end part of the pipeline concrete counterweight layer shown in fig. 1-10 comprises a film wrapping head 5, and further comprises:
the device comprises a base 1, wherein a track 11 is arranged on the base 1;
the travelling mechanism 2 is arranged on the base 1 and can slide along the track 11;
the bracket 3 is fixedly arranged on the travelling mechanism 2;
the rotating mechanism 4 is fixedly arranged on the bracket 3, and the film winding head 5 is fixedly arranged on the rotating mechanism 4 and can rotate along with the rotating mechanism 4;
and the control box 6 is provided with a PLC (programmable logic controller), and the PLC is connected with the travelling mechanism 2 and the rotating mechanism 4. A control circuit is arranged in the control box 6, and power switches for controlling the circuits of the travelling mechanism 2 and the rotating mechanism 4 are respectively arranged on the control circuit; the control box 6 is also provided with a control button and a power main switch. In this embodiment, the switch can be opened and closed on the control box.
And the limiting sensor 7 is arranged at the front end and the rear end of the bracket 3. The limit sensor 7 includes: a first limit sensor 71 provided at the front end of the frame body 32, and a second limit sensor 72 provided at the rear end of the frame body 32.
In this embodiment, the foremost end and the rearmost end of the base 1 are both provided with protrusions, and the protrusions are located on the track 11 and correspond to the limit sensors. When the first limit sensor 71 moves to the foremost end of the base 1, the first limit sensor 71 is in contact with the bulge at the foremost end of the base 1, the PLC controls the power switch of the travelling mechanism 2 to be switched off, and the travelling mechanism 2 stops moving; when the second limit sensor 72 moves to the rearmost end of the base 1, the second limit sensor 72 contacts with the bulge at the rearmost end of the base 1, the PLC controls the power switch of the traveling mechanism 2 to be switched off, and the traveling mechanism 2 stops moving. In other embodiments of the present invention, the limit sensor 7 may also use a non-contact sensor.
The traveling mechanism 2 includes:
the walking motor 21, the walking motor 21 is connected with PLC;
the walking speed reducer 22, the walking speed reducer 22 is connected with the walking motor 21;
the walking shaft 23, the walking shaft 23 is connected with the walking reducer 22;
the walking wheels 24 are fixed at two ends of the walking shaft 23;
the walking mechanism supporting seat 25 is rotatably sleeved on the walking shaft 23.
In this embodiment, the traveling shafts 23 include a front traveling shaft 231 and a rear traveling shaft 232; the road wheels 24 comprise front road wheels 241 fixedly arranged at two ends of the front travelling shaft 231 and rear road wheels 242 fixedly arranged at two ends of the rear travelling shaft 232; the traveling motor 21 and the traveling reducer 22 are connected to the rear traveling shaft 232 in sequence, the reducer can increase the torque of rotation and reduce the rotational speed of the shaft, the traveling motor 21 drives the rear traveling shaft 232 to rotate, the rear traveling wheels 242 move forward or backward along the track 11, the rear traveling wheels 242 are driving wheels, and the front traveling shaft 231 is a driven wheel. Since the traveling mechanism supporting seat 25 is rotatably sleeved on the traveling shaft 23, the traveling shaft continuously rotates in the hole in the traveling mechanism supporting seat 25 relative to the traveling mechanism supporting seat 25 in the process of advancing or retreating the traveling wheel, and the traveling mechanism supporting seat 25 always supports the bracket 3. In this embodiment, the traveling speed reducer 22 is a planetary speed reducer, and a traveling bearing is fitted over the traveling shaft 23 in order to reduce the friction loss of the shaft.
The holder 3 includes:
the connecting seat 31, the connecting seat 31 is fixedly arranged on the running gear bearing seat 25;
the frame body 32, the frame body 32 is arranged on the connecting seat 31, and the traveling mechanism supporting seat 25 and the connecting seat 31 are fixed into a whole to support the frame body 32 together. In this embodiment, as shown in fig. 5, the connecting seat 31 is two steel bars, the frame body 32 is welded on the connecting seat 31, and the frame body 32 is provided with a groove for placing the rotating mechanism 4. In other embodiments of the present invention, the connecting holder 31 and the frame body 32 may be detachably assembled together.
The rotation mechanism 4 includes:
the rotating motor 41, the rotating motor 41 is connected with PLC;
a rotation reducer 42, the rotation reducer 42 being connected to the rotating motor 41;
a rotating shaft 43, the rotating shaft 43 being connected to the rotation reducer 42;
a rotary drum 44, the rotary drum 44 being fixedly connected to the rotary shaft 43;
the rotating mechanism supporting seat 45 is rotatably sleeved on the rotating shaft 43, and the rotating mechanism supporting seat 45 is fixedly connected with the bracket 3.
In the present embodiment, the rotary drum 44 includes a first lower drum 441, a second lower drum 442, and an upper drum 443;
the rotation shaft 43 includes a first rotation shaft 431 and a second rotation shaft 432;
the first rotating shaft 431 is fixedly connected to a sidewall of the first lower roller 441, and the second rotating shaft 432 is fixedly connected to a sidewall of the second lower roller 442;
in the present embodiment, the rotating electric machine 41, the rotation reducer 42, and the first rotation shaft 431 are connected in this order, and the reducer can increase the torque of rotation and reduce the rotation speed of the shaft. The first lower roller 441 and the second lower roller 442 are small rollers, the upper roller 443 is a large roller, and the two small rollers support one large roller, wherein when one small roller rotates, the large roller is driven by the small roller to roll under the action of friction force, and the other small roller also rolls under the action of the large roller. In this embodiment, the first rotating shaft 431 rotates to rotate the first lower roller 441, the first lower roller 441 rotates the upper roller 443, the upper roller 443 rotates the second lower roller 442, and the film winding head 5 rotates with the upper roller 443 to perform a film winding operation. In this embodiment, the rotation reducer 42 is a planetary reducer, and a rotation bearing is fitted around the rotation shaft 43 to reduce friction loss of the shaft.
The automatic film winding method for the end part of the pipeline concrete counterweight layer by using the automatic film winding method for the end part of the pipeline concrete counterweight layer comprises the following steps:
s1, tubing in place: the finished pipe after the concrete coating is transported to a set position along a track by the pipe discharging trolley;
s2, tube end inspection: quality testing personnel check the coating quality of the concrete at the pipe end;
s3, automatic winding of film in place: after confirming the field condition, an operator presses an automatic film winding advancing button on a control box 6 of the automatic film winding device at the end part of the pipeline concrete counterweight layer, a travelling wheel 24 moves forwards along a track 11, when a first limit sensor 71 moves forwards to the foremost end of the track 11, the travelling wheel 24 stops advancing, namely reaches a preset position, and meanwhile, a travelling motor 21 and a rotating motor 41 are automatically stopped;
s4, overlapping film: an operator overlaps the plastic film on the end part of the concrete;
s5, automatic winding of film: an operator presses an automatic film winding button on the control box 6, the walking motor 21 and the rotating motor 41 are started, and the film winding head 5 automatically rotates and winds, and meanwhile, the walking wheel 24 moves backwards along the track 11, namely, the film performs spiral line motion and is wound on the pipe end;
s6, completing the film winding: when the second limit sensor 72 moves backwards to the rearmost end of the track 11, the travelling wheel 24 stops retreating, namely retreating to the initial position, the travelling motor 21 and the rotating motor 41 automatically stop, and an operator cuts off the film and finishes the film winding operation;
s7, repeating the steps s 1-s 6 to complete the film winding operation on the next pipe;
s8, after the production task is finished, closing a power switch on the control circuit and a main power switch on the control box 6 in time;
s9, cleaning and sweeping the surface and the track of the equipment.
The above description is only for the preferred embodiment of the present invention, but the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes and modifications without departing from the inventive concept, which falls into the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic membrane device that twines of pipeline concrete counterweight layer tip, is including twining membrane head (5), characterized by, the automatic membrane device that twines of pipeline concrete counterweight layer tip still includes:
the device comprises a base (1), wherein a track (11) is arranged on the base (1);
the travelling mechanism (2) is arranged on the base (1) and can slide along the track (11);
the support (3), the said support (3) is fixedly set up on the said running gear (2);
the rotating mechanism (4), the said rotating mechanism (4) is fixedly set up on the said support (3), the said membrane winding head (5) is fixedly set up on the said rotating mechanism (4) and can rotate with the said rotating mechanism (4);
the control box (6) is internally provided with a PLC, and the PLC is connected with the travelling mechanism (2) and the rotating mechanism (4);
and the limiting sensors (7) are arranged at the front end and the rear end of the bracket (3).
2. The automatic film wrapping device for the end part of the pipeline concrete counterweight layer according to claim 1, wherein the traveling mechanism (2) comprises:
the walking motor (21), the walking motor (21) is connected with the PLC;
the walking speed reducer (22), the walking speed reducer (22) is connected with the walking motor (21);
the walking shaft (23), the walking shaft (23) is connected with the walking reducer (22);
the walking wheels (24), the walking wheels (24) are fixed at two ends of the walking shaft (23);
the traveling mechanism supporting seat (25) is rotatably sleeved on the traveling shaft (23).
3. The automatic film wrapping device for an end of a pipeline concrete counterweight according to claim 2, wherein said bracket (3) comprises:
the connecting seat (31), the said connecting seat (31) is fixedly set up on the said running gear bearing (25);
the frame body (32), the frame body (32) is arranged on the connecting seat (31);
the limit sensor (7) comprises:
a first limit sensor (71) arranged at the front end of the frame body (32);
and the second limit sensor (72) is arranged at the rear end of the frame body (32).
4. The automatic film winding device for the end part of the pipeline concrete counterweight layer according to claim 1, wherein the rotating mechanism (4) comprises:
a rotating electrical machine (41), the rotating electrical machine (41) being connected to the PLC;
a rotation reducer (42), the rotation reducer (42) being connected to the rotating electrical machine (41);
a rotating shaft (43), wherein the rotating shaft (43) is connected with the rotating speed reducer (42);
a rotary drum (44), wherein the rotary drum (44) is fixedly connected with the rotary shaft (43);
the rotating mechanism supporting seat (45), the rotating mechanism supporting seat (45) is rotatably sleeved on the rotating shaft (43) and is fixedly connected with the bracket (3).
5. The automatic film wrapping device for an end of a pipeline concrete weight layer according to claim 2,
the walking shaft (23) comprises a front walking shaft (231) and a rear walking shaft (232);
the travelling wheels (24) comprise front travelling wheels (241) fixedly arranged at two ends of the front travelling shaft (231) and rear travelling wheels (242) fixedly arranged at two ends of the rear travelling shaft (232);
the walking speed reducer (22) is connected with the rear walking shaft (232).
6. The automatic film wrapping device for an end of a pipeline concrete weight layer according to claim 4,
the rotating drum (44) includes a first lower drum (441), a second lower drum (442), and an upper drum (443);
the rotation shaft (43) includes a first rotation shaft (431) and a second rotation shaft (432);
the first rotating shaft (431) is fixedly connected with a sidewall of the first lower roller (441), and the second rotating shaft (432) is fixedly connected with a sidewall of the second lower roller (442);
the rotation reducer (42) is connected to the first rotation shaft (431).
7. The automatic film wrapping device for the end part of the pipeline concrete counterweight layer according to claim 2, wherein the traveling reducer (22) is a planetary reducer, and a traveling bearing is sleeved on the traveling shaft (23).
8. The automatic film wrapping device for the end part of the pipeline concrete counterweight layer according to claim 4, wherein the rotary speed reducer (42) is a planetary speed reducer, and a rotary bearing is sleeved on the rotary shaft (43).
9. The automatic film winding device for the end part of the pipeline concrete counterweight layer according to claim 1, wherein a control circuit is arranged in the control box (6), a power switch is arranged on the control circuit, and a control button and a power main switch are further arranged on the control box (6).
10. An automatic film winding method for the end part of a pipeline concrete counterweight layer is characterized by comprising the following steps:
s1, tubing in place: the finished pipe after the concrete coating is transported to a set position along a track by the pipe discharging trolley;
s2, tube end inspection: quality testing personnel check the coating quality of the concrete at the pipe end;
s3, automatic winding of film in place: after confirming the field condition, an operator presses an automatic film winding advancing button on a control box (6) of the automatic film winding device at the end part of the pipeline concrete counterweight layer, a travelling wheel (24) moves forwards along a track (11), when a first limit sensor (71) moves forwards to the foremost end of the track (11), the travelling wheel (24) stops advancing, namely reaches a preset position, and meanwhile, a travelling motor (21) and a rotating motor (41) are automatically stopped;
s4, overlapping film: an operator overlaps the plastic film on the end part of the concrete;
s5, automatic winding of film: an operator presses an automatic film winding button on the control box (6), the walking motor (21) and the rotating motor (41) are started, the film winding head (5) automatically rotates and winds, and meanwhile, the walking wheel (24) moves backwards along the track (11), namely, the film does spiral motion and is wound at the pipe end;
s6, completing the film winding: when the second limit sensor (72) moves backwards to the rearmost end of the track (11), the travelling wheels (24) stop moving backwards, namely return to the initial position, the travelling motor (21) and the rotating motor (41) are automatically stopped, and an operator cuts off the film and finishes film winding operation;
s7, repeating the steps s 1-s 6 to complete the film winding operation on the next pipe;
s8, after the production task is finished, closing a power switch on the control circuit and a main power switch on the control box (6) in time;
s9, cleaning and sweeping the surface and the track of the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723024.5A CN111847141A (en) | 2020-07-24 | 2020-07-24 | Automatic film winding device and method for end part of pipeline concrete counterweight layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723024.5A CN111847141A (en) | 2020-07-24 | 2020-07-24 | Automatic film winding device and method for end part of pipeline concrete counterweight layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111847141A true CN111847141A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010723024.5A Pending CN111847141A (en) | 2020-07-24 | 2020-07-24 | Automatic film winding device and method for end part of pipeline concrete counterweight layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111847141A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644512A1 (en) * | 1976-09-29 | 1978-04-06 | Lundbergs Fab Ab N | DEVICE FOR THE MANUFACTURING OF WIRE-REINFORCED PIPES |
| US5314565A (en) * | 1992-01-29 | 1994-05-24 | Moore Marshall N | Portable splice taping machine |
| CN201040593Y (en) * | 2007-05-22 | 2008-03-26 | 王玉桥 | Synchronization winding packing machine for plastic pipe |
| CN208558297U (en) * | 2018-06-14 | 2019-03-01 | 湖南潇湘源科技开发有限责任公司 | A kind of corrosion resistant type GRP pipe |
| CN109466052A (en) * | 2018-11-21 | 2019-03-15 | 张家港市港塑机械有限公司 | Glass fibre belt continues band device automatically |
-
2020
- 2020-07-24 CN CN202010723024.5A patent/CN111847141A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644512A1 (en) * | 1976-09-29 | 1978-04-06 | Lundbergs Fab Ab N | DEVICE FOR THE MANUFACTURING OF WIRE-REINFORCED PIPES |
| US5314565A (en) * | 1992-01-29 | 1994-05-24 | Moore Marshall N | Portable splice taping machine |
| CN201040593Y (en) * | 2007-05-22 | 2008-03-26 | 王玉桥 | Synchronization winding packing machine for plastic pipe |
| CN208558297U (en) * | 2018-06-14 | 2019-03-01 | 湖南潇湘源科技开发有限责任公司 | A kind of corrosion resistant type GRP pipe |
| CN109466052A (en) * | 2018-11-21 | 2019-03-15 | 张家港市港塑机械有限公司 | Glass fibre belt continues band device automatically |
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Application publication date: 20201030 |
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