CN113070557A - Hole forming device and hole forming method for pipe wall of steel pipe pile - Google Patents
Hole forming device and hole forming method for pipe wall of steel pipe pile Download PDFInfo
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- CN113070557A CN113070557A CN202110480118.9A CN202110480118A CN113070557A CN 113070557 A CN113070557 A CN 113070557A CN 202110480118 A CN202110480118 A CN 202110480118A CN 113070557 A CN113070557 A CN 113070557A
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- steel pipe
- pipe pile
- wall
- mounting plate
- pile
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a hole forming device and a hole forming method for the pipe wall of a steel pipe pile, which are used in the horizontally arranged steel pipe pile and comprise a beam structure which can be arranged on the inner wall of the steel pipe pile in a circumferential sliding manner and a first mounting plate which is fixedly arranged on the inner side of the beam structure, wherein a guide rail which extends along the length direction of the steel pipe pile is arranged on the first mounting plate, a second mounting plate is arranged on the guide rail in a guiding sliding manner, and a cutting machine is arranged on the second mounting plate; and the beam structure is provided with a fastener which is detachably abutted with the steel pipe pile. The hole opening device for the pipe wall of the steel pipe pile can solve the hole opening problem of the long circular holes which are uniformly distributed on the steel pipe wall of the pile leg of the offshore wind power stable pile platform in an annular mode, meets the hole opening quality requirement on the basis of not using large hole opening equipment or numerical control cutting equipment, and reduces the processing cost.
Description
Technical Field
The invention relates to the technical field of offshore wind power equipment, in particular to a perforating device and a perforating method for a pipe wall of a steel pipe pile.
Background
In the construction of the multi-pile-stabilizing platform in the offshore wind power project, the lifting and positioning between the platform and the pile legs are completed through positioning shaft pins on the platform and shaft pin holes on the pile legs. The pile leg shaft pin holes are generally 400mmx500mm long round holes, are uniformly distributed along eight equal parts of the pile leg pipe, and have 36 long round holes in the length range of 11m in the pipe length direction. The pile legs of the pile stabilizing platform are round pipes with the diameter of 2500mm and the length of about 12m, and the requirement on the machining precision of the long round holes on the pile legs is high, so that the long round holes are formed after the whole pile of the pile legs is machined, and the scheme is an ideal scheme, but a large-scale numerical control drilling machine or a numerical control blanking cutting platform is required, so that the cost is high; and the long round hole is formed on the steel plate, and then the round pipe is rolled, so that the hole is easy to deform and damage the base material. In conclusion, the defects of the existing steel pipe wall long round hole drilling due to the influence of production cost and the limitation of drilling equipment are that.
In the prior art, the hole opening method mainly comprises manual scribing flame cutting hole opening and numerical control plasma cutting machine hole opening: the quality of holes formed by manual scribing and flame cutting is poor, and the technical requirements of the holes formed in the long round holes of the pile legs cannot be met; because the pile leg steel pipe of the pile stabilizing platform is large in size, the small-sized numerical control plasma cutting machine cannot meet the opening of a large-size component.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a hole opening device for the pipe wall of a steel pipe pile, which can solve the technical problems that: the technical problem to be solved is that the holes are formed in the long round holes which are uniformly distributed on the wall of a pile leg steel pipe of the offshore wind power pile stabilizing platform in an annular mode, and the purpose is that large-scale hole forming equipment or numerical control cutting equipment is not used, the hole forming quality meets the drawing requirements, and the processing cost is reduced;
another object of the present invention is to provide a method for perforating a wall of a steel pipe pile.
In order to achieve the purpose, the invention provides a perforating device for a pipe wall of a steel pipe pile, which is used for the horizontally arranged steel pipe pile and comprises a beam structure which can be circumferentially and slidably arranged on the inner wall of the steel pipe pile and a first mounting plate which is fixedly arranged on the inner side of the beam structure, wherein a guide rail which extends along the length direction of the steel pipe pile is mounted on the first mounting plate, a second mounting plate is slidably mounted on the guide rail, and a cutting machine is mounted on the second mounting plate;
and the beam structure is provided with a fastener which is detachably abutted with the steel pipe pile.
Preferably, the beam structure comprises a first annular beam and a second annular beam which are arranged in parallel at intervals, the first annular beam and the second annular beam are arranged at intervals with the inner wall of the steel pipe pile, a plurality of roller mounting plates are fixedly connected between the first annular beam and the second annular beam, and holes are formed in the plurality of roller mounting plates;
and rollers are rotatably mounted in the holes, the rotating direction of the rollers is the same as the circumferential direction of the steel pipe pile, and the rollers are in rolling butt joint with the inner wall of the steel pipe pile.
Preferably, threaded holes are formed in the first annular beam, the second annular beam or the roller mounting plate, the fastening pieces are tightening bolts installed in the threaded holes in a matched mode, and the end portions of the tightening bolts can detachably tighten the inner wall of the steel pipe pile.
As preferred scheme, beam structure inner wall fixed mounting has the guide rail platform fixed plate, first mounting panel is installed on the guide rail platform fixed plate.
Preferably, the cutting machine is a plasma cutting machine;
the plasma cutting machine is provided with a control arm extending towards the axial direction of the steel pipe pile, and a cutting nozzle is installed at the end part of the control arm.
A hole opening method for a steel pipe pile comprises the following steps:
s1, mounting the beam structure, the first mounting plate, the guide rail and the second mounting plate outside the steel pipe pile;
s2, sliding the movable beam structure in the steel pipe pile to a target hole opening position, and screwing a fastener;
s3, installing the cutting machine, debugging, starting to program a cutting program after the equipment is determined to run well, and starting to cut the long circular hole after a cutting nozzle of the cutting machine is aligned with a cutting starting point;
s4, sliding and rotating the steel pipe pile to enable the cutting position of the cutting machine to be opposite to the next hole cutting position of the steel pipe pile;
and S5, after one steel pipe pile is machined, detaching the fastener, moving the hole opening device of the steel pipe pile to another steel pipe pile, and repeating the steps S1-S4 to perform hole opening operation.
Compared with the prior art, the invention has the beneficial effects that:
the hole opening device for the pipe wall of the steel pipe pile comprises a beam structure which can be circumferentially arranged on the inner wall of the steel pipe pile in a sliding mode and a first mounting plate which is fixedly arranged on the inner side of the beam structure, the steel pipe pile is horizontally arranged, a guide rail which extends along the length direction of the steel pipe pile is mounted on the first mounting plate, a second mounting plate is arranged on the guide rail in a guiding and sliding mode, a cutting machine is mounted on the second mounting plate, the position of the cutting machine can be moved by moving the second mounting plate on the guide rail, and the cutting machine can move along the axial direction of the; meanwhile, the steel pipe pile can slide relative to the beam structure in the circumferential direction, and the cutting machine can move relative to the steel pipe pile in the circumferential direction when the steel pipe pile is rotated, so that the cutting machine can move in the axial direction and the circumferential direction in the steel pipe pile to cut the long round holes in different positions; meanwhile, the beam structure is provided with a fastener used for being detachably abutted to the steel pipe pile, and the cutter can be prevented from moving when the long round hole is cut by utilizing certain abutting force of the fastener and the inner wall of the steel pipe pile, so that errors are avoided.
The hole opening device for the pipe wall of the steel pipe pile can realize the purpose of conveniently opening holes on the steel pipe pile, meets the hole opening quality required by a drawing on the basis of not using large hole opening equipment or numerical control cutting equipment, efficiently completes hole opening work by utilizing the mutual matching of a plasma cutting machine and the hole opening device, and reduces the processing cost.
Drawings
Fig. 1 is a schematic structural diagram of a hole opening device for a pipe wall of a steel pipe pile according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a schematic side view of the structure of fig. 1.
In the figure, 1, a steel pipe pile; 2. a first mounting plate; 3. a guide rail; 4. a second mounting plate; 5. a cutter; 6. a first ring beam; 7. a second annular beam; 8. a tooling ring plate; 9. mounting a roller; 10. opening a hole; 11. a roller; 12. a guide rail platform fixing plate; 13. a control arm; 14. a cutting nozzle.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The preferable embodiment of the hole opening device for the pipe wall of the steel pipe pile comprises a beam structure which can be circumferentially and slidably arranged on the inner wall of the steel pipe pile 1 and a first mounting plate 2 fixedly arranged on the inner side of the beam structure, the steel pipe pile 1 is horizontally arranged, a waist circular hole is formed in the steel pipe pile 1, a guide rail 3 extending along the length direction of the steel pipe pile 1 is arranged on the first mounting plate 2, a second mounting plate 4 is arranged on the guide rail 3 in a guiding and sliding manner, a cutting machine 5 is arranged on the second mounting plate 4, and the position of the cutting machine 5 can be moved by moving the second mounting plate 4 on the guide rail 3, so that the cutting machine 5 can move along the axial direction of the steel pipe pile 1; meanwhile, the steel pipe pile 1 can slide relative to the beam structure in the circumferential direction, and the cutting machine 5 can move relative to the steel pipe pile 1 in the circumferential direction when the steel pipe pile 1 is rotated, so that the cutting machine 5 can move in the axial direction and the circumferential direction in the steel pipe pile 1 to cut the long round holes at different positions; meanwhile, the beam structure is provided with a fastener used for being detachably abutted to the steel pipe pile 1, certain abutting force of the fastener and the inner wall of the steel pipe pile 1 is utilized, the cutter 5 can be prevented from moving when the long round hole is cut, and errors are avoided.
In the embodiment of the application, the beam structure comprises a first annular beam 6 and an annular beam 7 which are arranged in parallel at intervals, the first annular beam 6 and the second annular beam 7 are arranged concentrically with the steel pipe pile 1, the first annular beam 6 and the second annular beam 7 are provided with tooling annular plates 8, the first annular beam 6 and the second annular beam 7 are arranged at intervals with the inner wall of the steel pipe pile 1, a plurality of roller mounting plates 9 are fixedly connected between the first annular beam 6 and the second annular beam 7, and the roller mounting plates 9 are provided with holes 10; the roller mounting plate 9 is used to connect the first annular beam 6 and the second annular beam 7. The rollers 11 are rotatably mounted in the holes 10, the rotating direction of the rollers 11 is the same as the circumferential direction of the steel pipe pile 1, the rollers 11 are in rolling contact with the inner wall of the steel pipe pile 1, the beam structure can move relative to the inner wall of the steel pipe pile 1, the steel pipe pile 1 is rotated, and the steel pipe pile 1 and the rollers 11 roll relatively to achieve the purpose of moving the cutting machine 5.
In other embodiments of the present application, the first and second ring beams 6 and 7 of the beam structure may be provided as a semicircular ring or a circular arc-shaped structure.
Further, be equipped with the screw hole on first ring beam 6 or second ring beam 7 or the gyro wheel mounting panel 9, the fastener is the tight bolt in the screw hole is installed for the matching, and the removable inner wall that pushes up tight steel-pipe pile 1 in top of the tip of the tight bolt in top utilizes the tight bolt in top to be used for avoiding the removal of cutting machine 5 when cutting machine 5 works. In the embodiment of the present application, the fastening member is plural and is mounted on the roller mounting plate 9.
As shown in fig. 2, a guide rail platform fixing plate 12 is fixedly installed on the inner wall of the beam structure, and the first installation plate 2 is installed on the guide rail platform fixing plate 12. The rail platform fixing plate 12 is used to connect the first mounting plate 2.
Further, the cutting machine 5 in the present application is a plasma cutting machine; the plasma cutting machine is provided with a control arm 13 extending in the axial direction of the steel pipe pile 1, a cutting torch 14 is attached to the end of the control arm 13, and the cutting torch 14 corresponds to the position of the steel pipe pile 1 where the steel pipe pile is to be cut.
The hole opening device for the pipe wall of the steel pipe pile can realize the purpose of conveniently opening holes on the steel pipe pile, meets the hole opening quality required by a drawing on the basis of not using large hole opening equipment or numerical control cutting equipment, efficiently completes hole opening work by utilizing the mutual matching of a plasma cutting machine and the hole opening device, and reduces the processing cost.
The hole opening device for the pipe wall of the steel pipe pile solves the problem that a plasma cutting machine cannot independently and effectively open the long round hole in the large-diameter steel pipe, avoids leasing cost caused by using large hole opening mechanical equipment, reduces construction cost and improves the competitiveness of products in the market.
An embodiment of a method for opening a hole in a steel pipe pile comprises the following steps:
s1, mounting the beam structure, the first mounting plate 2, the guide rail 3 and the second mounting plate 4 outside the steel pipe pile 1;
s2, sliding the movable beam structure in the steel pipe pile 1 to a target hole opening position, and screwing a fastener;
s3, installing the cutting machine 5, debugging, starting to program a cutting program after the equipment is determined to run well, and starting to cut the long circular hole after the cutting nozzle 14 of the cutting machine is aligned with the cutting starting point;
s4, sliding and rotating the steel pipe pile 1 to enable the cutting position of the cutting machine 5 to be opposite to the next hole cutting position of the steel pipe pile 5;
and S5, after one steel pipe pile 5 is machined, detaching the fastener, moving the hole opening device of the steel pipe pile 5 to another steel pipe pile 5, and repeating the steps S1-S4 to perform hole opening operation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A hole opening device for the pipe wall of a steel pipe pile is used in the horizontally arranged steel pipe pile and is characterized by comprising a beam structure which can be arranged on the inner wall of the steel pipe pile in a circumferential sliding mode and a first mounting plate which is fixedly arranged on the inner side of the beam structure, wherein a guide rail extending along the length direction of the steel pipe pile is mounted on the first mounting plate, a second mounting plate is mounted on the guide rail in a guiding sliding mode, and a cutting machine is mounted on the second mounting plate;
and the beam structure is provided with a fastener which is detachably abutted with the steel pipe pile.
2. The perforating device for the pipe wall of the steel pipe pile as claimed in claim 1, wherein the beam structure comprises a first annular beam and a second annular beam which are arranged in parallel at intervals, the first annular beam and the second annular beam are both arranged at intervals with the inner wall of the steel pipe pile, a plurality of roller mounting plates are fixedly connected between the first annular beam and the second annular beam, and holes are formed in the plurality of roller mounting plates;
and rollers are rotatably mounted in the holes, the rotating direction of the rollers is the same as the circumferential direction of the steel pipe pile, and the rollers are in rolling butt joint with the inner wall of the steel pipe pile.
3. The perforating device for the pipe wall of the steel pipe pile according to claim 2, wherein the first annular beam or the second annular beam or the roller mounting plate is provided with a threaded hole, the fastener is a tightening bolt which is installed in the threaded hole in a matching manner, and the end part of the tightening bolt can be detached to tightly prop against the inner wall of the steel pipe pile.
4. The perforating device for the pipe wall of the steel pipe pile according to claim 1, wherein a guide rail platform fixing plate is fixedly installed on the inner wall of the beam structure, and the first installation plate is installed on the guide rail platform fixing plate.
5. The perforating device for the pipe wall of the steel pipe pile according to claim 4, wherein the cutter is a plasma cutter;
the plasma cutting machine is provided with a control arm extending towards the axial direction of the steel pipe pile, and a cutting nozzle is installed at the end part of the control arm.
6. A method of boring a steel pipe pile using the boring device of the steel pipe pile according to any one of claims 1 to 5, comprising the steps of:
s1, mounting the beam structure, the first mounting plate, the guide rail and the second mounting plate outside the steel pipe pile;
s2, sliding the movable beam structure in the steel pipe pile to a target hole opening position, and screwing a fastener;
s3, installing the cutting machine, debugging, starting to program a cutting program after the equipment is determined to run well, and starting to cut the long circular hole after a cutting nozzle of the cutting machine is aligned with a cutting starting point;
s4, sliding and rotating the steel pipe pile to enable the cutting position of the cutting machine to be opposite to the next hole cutting position of the steel pipe pile;
and S5, after one steel pipe pile is machined, detaching the fastener, moving the hole opening device of the steel pipe pile to another steel pipe pile, and repeating the steps S1-S4 to perform hole opening operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480118.9A CN113070557B (en) | 2021-04-30 | 2021-04-30 | Hole forming device and hole forming method for pipe wall of steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480118.9A CN113070557B (en) | 2021-04-30 | 2021-04-30 | Hole forming device and hole forming method for pipe wall of steel pipe pile |
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| Publication Number | Publication Date |
|---|---|
| CN113070557A true CN113070557A (en) | 2021-07-06 |
| CN113070557B CN113070557B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110480118.9A Active CN113070557B (en) | 2021-04-30 | 2021-04-30 | Hole forming device and hole forming method for pipe wall of steel pipe pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523355A (en) * | 2021-07-23 | 2021-10-22 | 中船黄埔文冲船舶有限公司 | Steel structure pipe pile hole forming device and hole forming method |
| CN114161091A (en) * | 2021-12-10 | 2022-03-11 | 上海振华重工启东海洋工程股份有限公司 | Accurate pile leg bolt hole drilling method |
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| CN212823337U (en) * | 2020-08-19 | 2021-03-30 | 重庆松藻矿山机械厂 | Barrel porous plasma cutting device |
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2021
- 2021-04-30 CN CN202110480118.9A patent/CN113070557B/en active Active
Patent Citations (6)
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| KR20160025395A (en) * | 2014-08-27 | 2016-03-08 | 박경신 | Pipe cutting apparatus |
| CN205798746U (en) * | 2016-06-23 | 2016-12-14 | 开封大学 | A kind of pipeline welding inside welding gun positioner |
| CN207171307U (en) * | 2017-11-06 | 2018-04-03 | 王立宗 | Pipe cutter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523355A (en) * | 2021-07-23 | 2021-10-22 | 中船黄埔文冲船舶有限公司 | Steel structure pipe pile hole forming device and hole forming method |
| CN114161091A (en) * | 2021-12-10 | 2022-03-11 | 上海振华重工启东海洋工程股份有限公司 | Accurate pile leg bolt hole drilling method |
| CN114161091B (en) * | 2021-12-10 | 2023-06-09 | 上海振华重工启东海洋工程股份有限公司 | Accurate perforating method for pile leg bolt holes |
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| CN113070557B (en) | 2021-12-31 |
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