CN111123989A - Three-coordinate centering posture adjusting device for full-size bending test steel pipe - Google Patents
Three-coordinate centering posture adjusting device for full-size bending test steel pipe Download PDFInfo
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- CN111123989A CN111123989A CN202010003095.8A CN202010003095A CN111123989A CN 111123989 A CN111123989 A CN 111123989A CN 202010003095 A CN202010003095 A CN 202010003095A CN 111123989 A CN111123989 A CN 111123989A
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000005452 bending Methods 0.000 title claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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Abstract
The invention discloses a three-coordinate centering posture adjusting device for a full-size bending test steel pipe, which comprises two sets of hydraulic action mechanisms, wherein the two sets of hydraulic action mechanisms are arranged at intervals, each set of hydraulic action mechanism is provided with a bracket for supporting a pipeline, the two sets of hydraulic action mechanisms can drive the brackets to jointly move along the axial direction of the pipeline, and the brackets are driven to independently move along the horizontal direction and the vertical direction of the pipeline to realize posture adjustment. The invention greatly improves the mounting precision and reliability of the steel pipe group in the full-size bending test in the process, saves time and economic cost, and provides favorable conditions for subsequent pipeline welding, thereby reducing the risk of failure of the girth weld of the full-size bending test, ensuring the smooth operation of the test and having important significance.
Description
Technical Field
The invention belongs to the technical field of full-scale tests of deformation control of natural gas pipelines, and particularly relates to a three-coordinate centering posture adjusting device for a full-scale bending test steel pipe.
Background
Natural gas pipeline engineering (such as two-way or three-way transmission of western gas from west to east) in China passes through a plurality of fault zones and earthquake zones from west to east, belongs to an environment sensitive area, and service conditions of pipelines are relatively poor. In this condition, the pipe must also have a certain deformability while withstanding the internal design pressure. The steel pipe strain capacity research is carried out, whether the steel pipe strain capacity can meet the engineering requirements or not is evaluated, and the method has important significance and research value.
The full-size bending deformation test of the natural gas conveying pipeline is to simulate the actual service load bearing state of the oil and gas conveying pipeline, measure the load and displacement relationship, the load and corner relationship, the stress-strain distribution condition of the test pipe and the like of the test pipe when the test pipe is subjected to bending deformation, and determine the strain limit of the test pipe when the test pipe is subjected to buckling instability, so that the buckling deformation resistance of the steel pipe under the bending load is evaluated.
In the test process, the steel pipes are generally installed in a butt joint and girth welding mode, and the horizontal and vertical positions of the steel pipes need to be adjusted to complete the welding assembly of the pipelines. The traditional mode is through modes such as overhead traveling crane, crane to the test tube hoist and mount adjustment, organizes the welding seam. The installation mode needs a large amount of manpower to complete welding assembly, is long in time consumption, low in assembly precision and poor in stability, can cause reduction of welding quality (poor welding performance caused by poor opening quality), and causes accidents or failures in tests.
Disclosure of Invention
The invention aims to solve the technical problem of providing a three-coordinate centering posture adjusting device for a full-size bending test steel pipe, aiming at the defects in the prior art, and realizing the automation of assembling and mounting the test steel pipe. The test preparation time and the installation cost can be reduced, the welding precision level is improved, and the test precision is improved.
The invention adopts the following technical scheme:
1. the three-coordinate centering posture adjusting device for the full-size bending test steel pipe comprises two sets of hydraulic action mechanisms, wherein the two sets of hydraulic action mechanisms are arranged at intervals, each set of hydraulic action mechanism is provided with a bracket for supporting a pipeline, the two sets of hydraulic action mechanisms can drive the brackets to jointly move along the axial direction of the pipeline, and the brackets are driven to independently move along the horizontal direction and the vertical direction of the pipeline to realize posture adjustment.
Specifically, the hydraulic action mechanism comprises an oil cylinder base, and the oil cylinder base is connected with a first oil cylinder and used for driving the oil cylinder base to move along the horizontal direction; a second oil cylinder is arranged in the oil cylinder base and connected with the bracket, and the bracket can be driven to move along the vertical direction; the upper portion of hydro-cylinder base is provided with the third hydro-cylinder, and the third hydro-cylinder is connected with the bracket, can drive the bracket and remove along the axial direction of pipeline.
Further, the oil cylinder base and the first oil cylinder are arranged on the base, a sliding groove is formed in the base, pressing plates are arranged on two sides of the sliding groove, and the oil cylinder base is arranged in the sliding groove.
Furthermore, the second oil cylinders are arranged in the oil cylinder base at intervals, and the extending ends of the three second oil cylinders are connected with the bracket respectively.
Furthermore, the bottom of the bracket is provided with a sliding groove, and the extending end of the third oil cylinder is arranged in the sliding groove.
Furthermore, the first oil cylinder, the second oil cylinder and the third oil cylinder are respectively connected with a hydraulic system, and the bracket is driven to complete the assembly of the circumferential weld of the pipeline by controlling the movement of the oil cylinders.
Specifically, the bracket is of a V-shaped structure.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the three-coordinate centering posture adjusting device for the full-size bending test steel pipe, the spatial position of the test pipeline is adjusted through the hydraulic system, the oil cylinder, the sliding chute and the like, the three-coordinate centering posture adjusting device has the characteristics of stable work, good reliability, high precision and the like, wireless control can be realized, the labor and time cost is greatly saved, the welding quality of the circular welding seam after the steel pipe assembly is high, the performance is good, the test risk caused by the failure of the circular welding seam in the test process can be greatly reduced, the test level is improved, and the three-coordinate centering posture adjusting device has good.
Furthermore, through the three sets of hydraulic cylinders, the front, back, left and right movement of the V-shaped bracket in the horizontal direction and the ascending and descending actions in the vertical direction can be respectively realized, so that the three-dimensional coordinate adjustment effect of the spatial position of the test steel pipe on the V-shaped bracket is achieved, and the electrification operation of the test steel pipe and the test machine up-leading pipe assembly process is further realized. Because the whole process depends on hydraulic control and is provided with a wireless remote control device, the process of adjusting the position of the test steel pipe is visual, accurate and reliable.
Further, the test steel pipe is generally about 7m in length, so the whole device is equipped with 2 sets of hydraulic pressure adjusting devices and a V-shaped bracket to ensure the stability of the test steel pipe in the adjusting process. The adjustment along the axial position of the pipeline in the two sets of devices is set to be in a synchronous mode, so that the two V-shaped brackets and the test steel pipe cannot slide, and the safety in the moving process is improved. In addition, 2 hydraulic pressure adjusting device relatively independently operate, can realize the group of experimental steel pipe both sides and two guide pipes on the testing machine respectively to be right, but the accuracy security of the group to the process of can further improving.
In conclusion, the invention can greatly improve the mounting precision and reliability of the steel pipe group in the full-size bending test in the process, save time and economic cost, and provide favorable conditions for subsequent pipeline welding, thereby reducing the risk of failure of the girth weld of the full-size bending test, ensuring the smooth operation of the test and having important significance.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic diagram of a three-coordinate centering hydraulic actuating mechanism of the present invention, wherein the schematic diagram is a front view and a left side view;
FIG. 2 is a schematic diagram of a three-coordinate centering apparatus according to the present invention.
Wherein: 1. a bracket; 4. a base seat; 5. pressing a plate; 7. a first cylinder; 12. a second cylinder; 13. and a third oil cylinder.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "one side", "one end", "one side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the three-coordinate centering posture adjusting device for a full-scale bending test steel pipe of the present invention comprises two sets of hydraulic action mechanisms, wherein the movements of the two sets of hydraulic action mechanisms in the direction Y, Z are independent from each other, and the movement in the direction X is a linkage design, so as to prevent the pipe from moving between the two brackets 1.
The hydraulic action mechanism comprises a base 4, a first oil cylinder 7, a second oil cylinder 12, a third oil cylinder 13 and a hydraulic system, wherein an oil cylinder base is arranged on the base 4, pressing plates 5 are arranged on two sides of the oil cylinder base, and the first oil cylinder 7 is connected with the oil cylinder base and used for driving the oil cylinder base to move between the pressing plates 5 along the horizontal direction; the second oil cylinder 12 is arranged in the oil cylinder base, the extending end of the second oil cylinder is connected with the bottom of the bracket 1, the bracket 1 can be driven to move in the vertical direction, the third oil cylinder 13 is arranged on the upper portion of the oil cylinder base and connected with the bracket 1, the bracket 1 can be driven to move in the axial direction of the steel pipe, and the first oil cylinder 7, the second oil cylinder 12 and the third oil cylinder 13 are respectively connected with a hydraulic system.
The bracket 1 is designed in a V shape, so that the pipeline can be prevented from rolling in the horizontal direction to cause danger.
The first oil cylinder 7 is connected with an oil cylinder base through a connecting rod, and the oil cylinder base is restrained on a sliding groove of the base 4 through the pressing plate 5 and can only move in the Y direction.
The second cylinder 12 is connected to the carriage 1, and the carriage 1 is moved in the X direction by extension and contraction of the second cylinder 12.
The extending end of the third oil cylinder 13 is connected with a sliding groove arranged at the bottom of the bracket 1, and the bracket 1 moves up and down along the X direction through the extension and contraction of the third oil cylinder 13.
The hydraulic system controls the bracket by controlling the movement of the oil cylinder, so as to control the three-coordinate posture adjustment of the test tube and complete the assembly of the circumferential weld of the pipeline.
The whole system controls the positive and negative directions of the oil cylinder to move by controlling the electromagnetic directional valve, adjusts the moving speed of the oil cylinder by adjusting the throttle valve, and is also provided with a wireless rocker remote controller, thereby further simplifying the operation and facilitating the observation and adjustment on site.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (7)
1. The three-coordinate centering posture adjusting device for the full-size bending test steel pipe is characterized by comprising two sets of hydraulic action mechanisms, wherein the two sets of hydraulic action mechanisms are arranged at intervals, each set of hydraulic action mechanism is provided with a bracket (1) for supporting a pipeline, the two sets of hydraulic action mechanisms can drive the brackets (1) to jointly move along the axial direction of the pipeline, and the brackets (1) are driven to independently move along the horizontal direction and the vertical direction of the pipeline to realize posture adjustment.
2. The three-coordinate centering posture adjusting device for the full-size bending test steel tube according to claim 1, wherein the hydraulic action mechanism comprises an oil cylinder base, and the oil cylinder base is connected with the first oil cylinder (7) and used for driving the oil cylinder base to move along the horizontal direction; a second oil cylinder (12) is arranged in the oil cylinder base, and the second oil cylinder (12) is connected with the bracket (1) and can drive the bracket (1) to move along the vertical direction; the upper part of the oil cylinder base is provided with a third oil cylinder (13), and the third oil cylinder (13) is connected with the bracket (1) and can drive the bracket (1) to move along the axial direction of the pipeline.
3. The three-coordinate centering posture adjusting device for the full-size bending test steel tube according to claim 2, characterized in that the oil cylinder base and the first oil cylinder (7) are both arranged on the base (4), a sliding groove is arranged on the base (4), pressing plates (5) are arranged on two sides of the sliding groove, and the oil cylinder base is arranged in the sliding groove.
4. The three-coordinate centering posture adjusting device for the full-size bending test steel pipe as claimed in claim 2, wherein the number of the second oil cylinders (12) is three, the second oil cylinders are arranged in the oil cylinder base at intervals, and the extending ends of the three second oil cylinders (12) are respectively connected with the bracket (1).
5. The three-coordinate centering posture adjusting device for the full-size bending test steel tube according to claim 2, wherein the bottom of the bracket (1) is provided with a sliding groove, and the extending end of the third oil cylinder (13) is arranged in the sliding groove.
6. The three-coordinate centering posture adjusting device for the full-size bending test steel pipe as claimed in any one of claims 2 to 5, wherein the first oil cylinder (7), the second oil cylinder (12) and the third oil cylinder (13) are respectively connected with a hydraulic system, and the pipeline girth weld assembly is completed by controlling the oil cylinders to move and drive the bracket (1).
7. The three-coordinate centering posture adjusting apparatus for the full-scale bending test steel pipe as claimed in claim 1, wherein the bracket (1) is of a V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003095.8A CN111123989A (en) | 2020-01-02 | 2020-01-02 | Three-coordinate centering posture adjusting device for full-size bending test steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003095.8A CN111123989A (en) | 2020-01-02 | 2020-01-02 | Three-coordinate centering posture adjusting device for full-size bending test steel pipe |
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| CN111123989A true CN111123989A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010003095.8A Pending CN111123989A (en) | 2020-01-02 | 2020-01-02 | Three-coordinate centering posture adjusting device for full-size bending test steel pipe |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10338487A (en) * | 1997-06-06 | 1998-12-22 | Toyota Autom Loom Works Ltd | Hydraulic piping device of forklift |
| US20050103529A1 (en) * | 2003-11-17 | 2005-05-19 | Rossi Frank W. | Quick-detach vehicle-mounted auger driver |
| CN201463495U (en) * | 2009-08-11 | 2010-05-12 | 天津赛瑞机器设备有限公司 | Feed stepping conveyor for drying furnace |
| JP2011001719A (en) * | 2009-06-17 | 2011-01-06 | Nippon Sharyo Seizo Kaisha Ltd | Pile driver and method for constructing steel pipe pile |
| CN203927083U (en) * | 2014-06-23 | 2014-11-05 | 济钢集团有限公司 | A kind of fixed pipeline support |
| US20170254048A1 (en) * | 2016-03-01 | 2017-09-07 | Kobelco Construction Machinery Co., Ltd. | Valve arrangement structure of construction machine |
| CN207313017U (en) * | 2017-09-27 | 2018-05-04 | 中国水利水电第十四工程局有限公司 | Hydraulic automatic lifting device is used in a kind of penstock installation |
| CN108381482A (en) * | 2018-02-12 | 2018-08-10 | 国家电网公司 | A kind of GIL installation equipment and control system and method |
-
2020
- 2020-01-02 CN CN202010003095.8A patent/CN111123989A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10338487A (en) * | 1997-06-06 | 1998-12-22 | Toyota Autom Loom Works Ltd | Hydraulic piping device of forklift |
| US20050103529A1 (en) * | 2003-11-17 | 2005-05-19 | Rossi Frank W. | Quick-detach vehicle-mounted auger driver |
| JP2011001719A (en) * | 2009-06-17 | 2011-01-06 | Nippon Sharyo Seizo Kaisha Ltd | Pile driver and method for constructing steel pipe pile |
| CN201463495U (en) * | 2009-08-11 | 2010-05-12 | 天津赛瑞机器设备有限公司 | Feed stepping conveyor for drying furnace |
| CN203927083U (en) * | 2014-06-23 | 2014-11-05 | 济钢集团有限公司 | A kind of fixed pipeline support |
| US20170254048A1 (en) * | 2016-03-01 | 2017-09-07 | Kobelco Construction Machinery Co., Ltd. | Valve arrangement structure of construction machine |
| CN207313017U (en) * | 2017-09-27 | 2018-05-04 | 中国水利水电第十四工程局有限公司 | Hydraulic automatic lifting device is used in a kind of penstock installation |
| CN108381482A (en) * | 2018-02-12 | 2018-08-10 | 国家电网公司 | A kind of GIL installation equipment and control system and method |
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Application publication date: 20200508 |
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