CN108856558B - Tunnel inverted arch steel bar pre-bending device and control method thereof - Google Patents
Tunnel inverted arch steel bar pre-bending device and control method thereof Download PDFInfo
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- CN108856558B CN108856558B CN201810573309.8A CN201810573309A CN108856558B CN 108856558 B CN108856558 B CN 108856558B CN 201810573309 A CN201810573309 A CN 201810573309A CN 108856558 B CN108856558 B CN 108856558B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A connecting line between center points of a driving wheel I (2) and a driving wheel II (4) in the device is parallel to the upper side and the lower side of an operation platform (1), a connecting line between center points of the driving wheel II (4) and a driven wheel I (8) is parallel to two side edges of the operation platform (1), a hydraulic jacking device II (6) is positioned between the driving wheel I (2) and the driving wheel II (4), a graduated scale (3) is positioned on the side of the hydraulic jacking device II (6), and a digital control platform (7) is respectively connected with the driving wheel I (2), the driving wheel II (4), the hydraulic jacking device I (5) and the hydraulic jacking device II (6). The method is realized by controlling a driving wheel I (2), a driving wheel II (4), a hydraulic jacking device I (5) and a hydraulic jacking device II (6) through a digital control platform (7). The automatic accurate pre-bending of the inverted arch steel bars is realized, so that the construction of the tunnel lining steel bars is standardized and automatic.
Description
Technical Field
The invention relates to a pre-bending device, in particular to a tunnel inverted arch steel bar pre-bending device and a control method thereof, and belongs to the technical field of tunnel lining construction.
Background
At present, with the rapid development of high-speed rails in China, tunnels are more and more. Along with the continuous improvement of engineering quality and standardized construction requirements, the manpower and material resources required by tunnel lining steel bar construction are also increased, and the safety risk is increased continuously; however, the high-speed railway tunnel generally adopts double-line design, has the characteristics of large tunnel section, large number of inverted arch two lining steel bars, large radian required to be pre-bent, staggered and complex procedures and the like, and the traditional method for manually pre-bending the lining steel bars ensures that the manual consumption is large, the pre-bending effect is poor, the construction quality of the lining steel bars cannot be effectively controlled, and huge safety risks exist, so that the requirement of engineering quality cannot be met.
Disclosure of Invention
The invention aims to provide a tunnel inverted arch steel bar pre-bending device and a control method thereof, aiming at the defects of low construction efficiency, large labor input, poor pre-bending effect and the like of the existing inverted arch steel bar pre-bending construction method.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a tunnel inverted arch reinforcing bar pre-bending device, includes operation platform, action wheel I, scale, action wheel II, hydraulic jack device I, hydraulic jack device II and digital platform of controlling, action wheel I, scale, action wheel II, hydraulic jack device I and hydraulic jack device II set up respectively on operation platform, hydraulic jack device I on be provided with follower I, hydraulic jack device II on be provided with follower II, action wheel I and action wheel II line parallel from top to bottom on the line and the operation platform between the central point, action wheel II and follower I line parallel with operation platform both sides limit between the central point, hydraulic jack device II be located between action wheel I and action wheel II, the scale be located hydraulic jack device II side, and hydraulic jack device II corresponds scale zero scale when initial position, digital control the platform be connected with action wheel I, action wheel II, hydraulic jack device I and hydraulic jack device II respectively.
A control method of a tunnel inverted arch steel bar pre-bending device comprises the following steps: step one, dividing inverted arch steel bars needing pre-bending into the following steps according to construction requirements: a steel bar reserved section AB, a length L1, a pre-bending section BC, a length L2, a pre-bending radian R1, a pre-bending section CD, a length L3, a pre-bending radian R2, a steel bar reserved section DE and a length L4; step two, after the end of the inverted arch steel bar A enters from a gap between the driving wheel II and the hydraulic jacking device I, controlling the hydraulic jacking device I to jack so that the inverted arch steel bar is clamped; sequentially inputting the length L1 of the reserved section AB of the reinforcing steel bar, the length L2 of the pre-bending section BC, the pre-bending radian R1, the length L3 of the pre-bending section CD, the pre-bending radian R2 and the length L4 of the reserved section DE of the reinforcing steel bar on a digital control platform, and calculating the propping lengths b and c required by the hydraulic propping device II corresponding to the pre-bending radian of the pre-bending section BC and the pre-bending section CD by a numerical control computer in the digital control platform; step four, a driving wheel II rotates to drive inverted arch steel bars to be conveyed, when a point B on the inverted arch steel bars is conveyed to the top of a hydraulic propping device II, the driving wheel II and the driving wheel I stop rotating, the hydraulic propping device II props the length of B, then the driving wheel II and the driving wheel I drive the inverted arch steel bars to continue conveying, when a point C reaches the top of the hydraulic propping device II, the pre-bending of the BC section radian R1 of the inverted arch steel bars is completed, at the moment, the hydraulic propping device II props the length of C, then the driving wheel II and the driving wheel I drive the inverted arch steel bars to continue conveying, when a point D reaches the top of the hydraulic propping device II, the pre-bending of the CD section radian R2 of the steel bars is completed, at the moment, the hydraulic propping device I and the hydraulic propping device II are controlled to release pressure, the driving wheel I and the driving wheel II stop rotating, and the inverted arch steel bars are pre-bent; and fifthly, after the pre-bending is finished, the digital control platform controls the hydraulic jacking device I and the hydraulic jacking device II to reset.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a connecting line between the center points of a driving wheel I and a driving wheel II is parallel to the upper side and the lower side of an operation platform, a connecting line between the center points of the driving wheel II and a driven wheel I is parallel to the two sides of the operation platform, a hydraulic jacking device II is positioned between the driving wheel I and the driving wheel II, a graduated scale is positioned at the side of the hydraulic jacking device II, the center point of the driven wheel II corresponds to the zero scale of the graduated scale when the hydraulic jacking device II is in an initial position, and a digital control platform is respectively connected with the driving wheel I, the driving wheel II, the hydraulic jacking device I and the hydraulic jacking device II. The automatic accurate pre-bending of the tunnel inverted arch steel bars is realized, the manual labor is saved, the pre-bending quality of the inverted arch steel bars is improved, and the thickness quality of the protective layer of the tunnel secondary lining inverted arch steel bars is ensured.
2. The automatic precise pre-bending device can automatically and precisely pre-bend the two-lining inverted arch steel bars, so that the construction of the tunnel lining steel bars is standardized and automatic.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the construction of a pre-bent lining reinforcement according to the present invention.
In the figure, operation platform 1, action wheel I2, scale 3, action wheel II 4, hydraulic jack device I5, hydraulic jack device II 6, digital platform 7 that controls, follower I8, follower II 9.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1, a tunnel inverted arch reinforcing steel bar pre-bending device is used for inverted arch reinforcing steel bar pre-bending in a tunnel inverted arch lining construction process and comprises an operation platform 1, a driving wheel I2, a graduated scale 3, a driving wheel II 4, a hydraulic jacking device I5, a hydraulic jacking device II 6 and a digital control platform 7.
Referring to fig. 1, a driving wheel i 2, a graduated scale 3, a driving wheel ii 4, a hydraulic jack device i 5 and a hydraulic jack device ii 6 are respectively arranged on an operation platform 1, a driven wheel i 8 is arranged on the hydraulic jack device i 5, and a driven wheel ii 9 is arranged on the hydraulic jack device ii 6. The connecting line between the central points of the driving wheel I2 and the driving wheel II 4 is parallel to the upper side and the lower side of the operation platform 1, and the connecting line between the central points of the driving wheel II 4 and the driven wheel I8 is parallel to the two side edges of the operation platform 1. The hydraulic jacking device II 6 is positioned between the driving wheel I2 and the driving wheel II 4, and the graduated scale 3 is positioned at the side of the hydraulic jacking device II 6; and the center point of the driven wheel II 9 corresponds to zero scale of the graduated scale 3 when the hydraulic jacking device II 6 is at the initial position. The digital control platform 7 is respectively connected with a driving wheel I2, a driving wheel II 4, a hydraulic shoring device I5 and a hydraulic shoring device II 6, and the driving wheel I2, the driving wheel II 4, the hydraulic shoring device I5 and the hydraulic shoring device II 6 are controlled by the digital control platform 7.
Referring to fig. 2, a method for controlling a tunnel inverted arch steel bar pre-bending device includes the following steps:
step one, dividing inverted arch steel bars needing pre-bending into the following steps according to construction requirements: the steel bar pre-bending section AB, the length L1, the pre-bending section BC, the length L2, the pre-bending radian R1, the pre-bending section CD, the length L3, the pre-bending radian R2, the steel bar pre-bending section DE and the length L4.
And secondly, after the end of the inverted arch steel bar A enters from a gap between the driving wheel II 4 and the hydraulic jacking device I5, controlling the hydraulic jacking device I5 to jack so that the inverted arch steel bar is clamped.
Step three, sequentially inputting the length L1 of the reserved reinforcing steel bar section AB, the length L2 of the pre-bending section BC, the pre-bending radian R1, the length L3 of the pre-bending section CD, the pre-bending radian R2 and the length L4 of the reserved reinforcing steel bar section DE on the digital control platform 7; the numerical control computer in the digital control platform 7 calculates the propping lengths b and c required by the hydraulic propping device II 6 corresponding to the pre-bending radian of the pre-bending section BC and the pre-bending section CD, and the graduated scale 3 is used for verifying the propping length of the hydraulic propping device II 6.
And step four, the driving wheel II 4 rotates to drive the inverted arch steel bars to be conveyed, when the point B on the inverted arch steel bars is conveyed to the top of the hydraulic jacking device II 6, the driving wheel II 4 and the driving wheel I2 stop rotating, the hydraulic jacking device II 6 jacks the length of B, and at the moment, whether the center point of the driven wheel II 9 corresponds to the length of B on the graduated scale 3 can be observed through an operator. Then the driving wheel II 4 and the driving wheel I2 drive the inverted arch steel bars to continue to be conveyed, when the point C reaches the top of the hydraulic jacking device II 6, the pre-bending of the BC segment radian R1 of the inverted arch steel bars is completed, at the moment, the hydraulic jacking device II 6 jacks the length of C, and an operator can observe whether the center point of the driven wheel II 9 corresponds to the length of C on the graduated scale 3; then the driving wheel II 4 and the driving wheel I2 drive the inverted arch steel bars to continue to be conveyed, when the point D reaches the top of the hydraulic shoring device II 6, the pre-bending of the steel bars in the section of the radian R2 of the steel bars CD is completed, at the moment, the hydraulic shoring device I5 and the hydraulic shoring device II 6 are controlled to release pressure, the driving wheel I2 and the driving wheel II 4 stop rotating, and the inverted arch steel bars are pre-bent.
And fifthly, after the pre-bending is finished, the digital control platform 7 controls the hydraulic jacking device I5 and the hydraulic jacking device II 6 to reset.
Referring to fig. 1 to 2, the invention improves the defects of low construction efficiency, large labor input, poor pre-bending effect and the like of the traditional inverted arch steel bar pre-bending construction method, realizes automatic accurate pre-bending of the inverted arch steel bar, has less labor input after installation, has high steel bar pre-bending speed, can realize continuous multi-arc accurate pre-bending, and greatly improves the efficiency and the steel bar construction quality; and the method is economical, practical and simple on the premise of ensuring the binding quality of the inverted arch steel bars.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and the above-described structure should be considered to be within the scope of the invention.
Claims (1)
1. A control method of a tunnel inverted arch steel bar pre-bending device is characterized by comprising the following steps of:
tunnel inverted arch reinforcing bar pre-bending device includes operation platform (1), action wheel I (2), scale (3), action wheel II (4), hydraulic pressure shoring device I (5), hydraulic pressure shoring device II (6) and digital control platform (7), action wheel I (2), scale (3), action wheel II (4), hydraulic pressure shoring device I (5) and hydraulic pressure shoring device II (6) set up respectively on operation platform (1), hydraulic pressure shoring device I (5) on be provided with follower I (8), hydraulic pressure shoring device II (6) on be provided with follower II (9), action wheel I (2) and action wheel II (4) between the line and operation platform (1) upper and lower limit parallel, action wheel II (4) and follower I (8) between the line and operation platform (1) both sides limit parallel, hydraulic pressure shoring device II (6) be located action wheel I (2) and action wheel II (4), scale (3) be located scale II (6) and be provided with follower II (9) and be located when scale II (6) are located initial position (3) and are controlled in the corresponding to scale II (3) and are moved about (6) center point respectively, the scale II (8) is parallel, the driving wheel II (4), the hydraulic propping device I (5) and the hydraulic propping device II (6) are connected;
the control method comprises the following steps:
step one, dividing inverted arch steel bars needing pre-bending into the following steps according to construction requirements: a steel bar reserved section AB, a length L1, a pre-bending section BC, a length L2, a pre-bending radian R1, a pre-bending section CD, a length L3, a pre-bending radian R2, a steel bar reserved section DE and a length L4;
step two, after the end of the inverted arch steel bar A enters from a gap between the driving wheel II (4) and the hydraulic jacking device I (5), controlling the hydraulic jacking device I (5) to jack so that the inverted arch steel bar is clamped;
sequentially inputting the length L1 of the reserved section AB of the reinforcing steel bar, the length L2 of the pre-bending section BC, the pre-bending radian R1, the length L3 of the pre-bending section CD, the pre-bending radian R2 and the length L4 of the reserved section DE of the reinforcing steel bar on a digital control platform (7), and calculating the required propping lengths b and c of a hydraulic propping device II (6) corresponding to the pre-bending radian of the pre-bending section BC and the pre-bending section CD by a numerical control computer in the digital control platform (7);
step four, a driving wheel II (4) rotates to drive inverted arch steel bars to be conveyed, when a point B on the inverted arch steel bars is conveyed to the top of a hydraulic jacking device II (6), the driving wheel II (4) and the driving wheel I (2) stop rotating, the hydraulic jacking device II (6) jacks the length B, then the driving wheel II (4) and the driving wheel I (2) drive the inverted arch steel bars to continue conveying, when a point C reaches the top of the hydraulic jacking device II (6), the pre-bending of the BC section radian R1 of the inverted arch steel bars is completed, at the moment, the hydraulic jacking device II (6) jacks the length C, then the driving wheel II (4) and the driving wheel I (2) drive the inverted arch steel bars to continue conveying, when a point D reaches the top of the hydraulic jacking device II (6), the pre-bending of the CD section radian R2 of the steel bars is completed, at the moment, the hydraulic jacking device I (5) and the hydraulic jacking device II (6) are controlled to release pressure, and the driving wheel I (2) and the driving wheel II (4) stop rotating, and the inverted arch steel bars are completed;
and fifthly, after the pre-bending is finished, the digital control platform (7) controls the hydraulic jacking device I (5) and the hydraulic jacking device II (6) to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573309.8A CN108856558B (en) | 2018-06-06 | 2018-06-06 | Tunnel inverted arch steel bar pre-bending device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573309.8A CN108856558B (en) | 2018-06-06 | 2018-06-06 | Tunnel inverted arch steel bar pre-bending device and control method thereof |
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| CN108856558A CN108856558A (en) | 2018-11-23 |
| CN108856558B true CN108856558B (en) | 2023-06-27 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1411071A1 (en) * | 1986-01-07 | 1988-07-23 | Центральное Конструкторско-Технологическое Бюро Велостроения | Arrangement for spatial bending of tubular billets |
| DE29604267U1 (en) * | 1996-03-08 | 1996-11-28 | Rasi Maschinenbau u. -handels-GmbH, 75428 Illingen | Device for determining the bending radius of a bent part |
| CN101952062A (en) * | 2008-02-12 | 2011-01-19 | Cml国际有限公司 | The variable radius of curvature serves method and the machine of controlling like this of the roller type bending machine of bending elongation workpiece are continuously pressed in inspection and control |
| CN201768787U (en) * | 2010-08-12 | 2011-03-23 | 天津二十冶建设有限公司 | Bending device of metal section |
| CN201940451U (en) * | 2011-04-08 | 2011-08-24 | 重庆建工工业有限公司 | Multifunctional pipe bending machine |
| CN204866956U (en) * | 2015-07-01 | 2015-12-16 | 柴鹏 | Steel pipe becomes curvature radius bending apparatus |
| CN205629212U (en) * | 2016-05-17 | 2016-10-12 | 中铁十七局集团第三工程有限公司 | Steel bar bending device |
| CN107206451A (en) * | 2014-12-12 | 2017-09-26 | 屋罗斯·杜兰强尼 | The application of shape bending process of the 3D video cameras on the bending machine of three and four rollers |
-
2018
- 2018-06-06 CN CN201810573309.8A patent/CN108856558B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1411071A1 (en) * | 1986-01-07 | 1988-07-23 | Центральное Конструкторско-Технологическое Бюро Велостроения | Arrangement for spatial bending of tubular billets |
| DE29604267U1 (en) * | 1996-03-08 | 1996-11-28 | Rasi Maschinenbau u. -handels-GmbH, 75428 Illingen | Device for determining the bending radius of a bent part |
| CN101952062A (en) * | 2008-02-12 | 2011-01-19 | Cml国际有限公司 | The variable radius of curvature serves method and the machine of controlling like this of the roller type bending machine of bending elongation workpiece are continuously pressed in inspection and control |
| CN201768787U (en) * | 2010-08-12 | 2011-03-23 | 天津二十冶建设有限公司 | Bending device of metal section |
| CN201940451U (en) * | 2011-04-08 | 2011-08-24 | 重庆建工工业有限公司 | Multifunctional pipe bending machine |
| CN107206451A (en) * | 2014-12-12 | 2017-09-26 | 屋罗斯·杜兰强尼 | The application of shape bending process of the 3D video cameras on the bending machine of three and four rollers |
| CN204866956U (en) * | 2015-07-01 | 2015-12-16 | 柴鹏 | Steel pipe becomes curvature radius bending apparatus |
| CN205629212U (en) * | 2016-05-17 | 2016-10-12 | 中铁十七局集团第三工程有限公司 | Steel bar bending device |
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| CN108856558A (en) | 2018-11-23 |
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