CN219817596U - Integral bending device for steel arch - Google Patents
Integral bending device for steel arch Download PDFInfo
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- CN219817596U CN219817596U CN202321141000.4U CN202321141000U CN219817596U CN 219817596 U CN219817596 U CN 219817596U CN 202321141000 U CN202321141000 U CN 202321141000U CN 219817596 U CN219817596 U CN 219817596U
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- steel
- platform
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- profiling
- bent
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 238000005452 bending Methods 0.000 title claims abstract description 55
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009490 roller compaction Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model belongs to the technical field of steel arch manufacturing devices, and particularly relates to a steel arch integral bending forming device. The problem of tunnel steel arch bending production is solved, and the tunnel steel arch bending production device comprises a bending platform, wherein a bending section steel workpiece passes through the bending platform; the driving assemblies are uniformly arranged on the bending platform in an arc shape and drive the bent steel workpiece to move forward on the bending platform; the profiling assemblies are uniformly arranged on the bending platform in an arc shape and are used for profiling the bent steel workpieces; the transmission devices are arranged at the bottoms of the bent steel workpieces.
Description
Technical Field
The utility model belongs to the technical field of steel arch manufacturing devices, and particularly relates to a steel arch integral bending forming device.
Background
In the tunnel steel arch production construction, the processing of the steel arch is carried out by utilizing a jig frame in a construction site processing field, the welded steel arch is subjected to processing trial assembly before being used, and the steel arch of each section of the whole tunnel profile is subjected to integral trial assembly so as to check whether the connecting parts are consistent or not, and the steel arch required by processing specifications is transported to a construction site for use. Steel arches are typically bent using an arching machine. However, the traditional arch bending machine only has one pushing point and two pushing points, so that the left error after bending reaches about 15 mm.
Therefore, a multi-point pushing multi-rolling forming method for reducing the processing bending error is needed, the requirement of smaller error is ensured, and the quality and the appearance of the primary support are ensured.
Disclosure of Invention
The utility model provides a steel arch integral bending forming device for solving the problem of tunnel steel arch bending production
The utility model adopts the following technical scheme: a steel arch integral bending forming device,
comprises a bending platform, a bending section steel workpiece and a bending section steel workpiece, wherein the bending section steel workpiece passes through the bending platform;
the driving assemblies are uniformly arranged on the bending platform in an arc shape and drive the bent steel workpiece to move forward on the bending platform;
the profiling assemblies are uniformly arranged on the bending platform in an arc shape and are used for profiling the bent steel workpieces;
the transmission devices are arranged at the bottoms of the bent steel workpieces.
In some embodiments, the bending platform comprises a bottom steel platform and an upper platen frame, a support structure is disposed between the bottom steel platform and the upper platen frame, and the bent steel workpiece passes between the bottom steel platform and the upper platen frame.
In some embodiments, the drive assembly includes a cycloidal pin gear reducer with an output coupled to a steel roller disposed between the bottom steel platform and the upper platen frame with one side of the steel roller in contact with the bent steel workpiece.
In some embodiments, the profiling assembly includes a profiled bar wheel disposed outside the profiled bar workpiece and a profiling roller disposed inside the profiled bar workpiece.
In some embodiments, the contoured baffle wheel is secured between the bottom steel platform and the upper platen frame.
In some embodiments, the profiling roller is movably mounted between the bottom steel platform and the upper platen frame, the profiling roller is fixed at one end of the thrust cylinder, and the other end of the thrust cylinder is fixed.
In some embodiments, the transmission is a backup roller.
In some embodiments, the bolster rollers are disposed between the bottom steel platen and the upper platen frame, the bolster rollers are secured at both ends to the posts, the top and bottom of which are secured to the upper platen frame and the bottom steel platen frame, respectively.
Compared with the prior art, the utility model provides a steel arch integral bending forming tool, which adopts a steel support inner ring and outer ring roller compaction tool to compact profile steel on the outer ring tool, the oil cylinder thrust can press the whole arch to form, the whole arch can be pressed and roll-formed, the rolling prestress after the pre-jacking thrust forming can be met, a steel plate is welded on the midspan part of the pressed flange of the arch, the rebound and arc failure deformation of the arch are reduced, the multi-point pushing multiple-rotation multiple-time prepressing forming is performed, the profile shape is not influenced by the rebound of the pressed flange, the defects that an arch bender only rotates by 2 wheels and pushes by 1 oil cylinder are overcome, the multi-point pushing multiple-time prepressing is performed, the forming time is prolonged, the rebound deformation and the arc diffusion caused by stacking transportation and other factors are prevented, the one-time forming is performed after the multi-point bending, the welding and the welding can weld a steel plate at the mid-span part to strengthen the preset compression stress, the rebound arc is prevented from deviating from the shape, the error of the arch bender to be reduced by 15mm, and the error of the arch bender is reduced to the arch forming range of the steel arch is reduced to 3 mm.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a side view of the present utility model;
in the figure, a steel platform at the bottom, 2-steel rollers, a 3-cycloidal pin gear speed reducer, 4-profiling rollers, a 5-thrust oil cylinder, 6-shaping baffle wheels, 7-upper pressing plate frames, 8-bent steel workpieces and 9-support cushion rollers are arranged.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a steel arch integral bending forming device comprises a bending platform provided with a bending section steel workpiece 8 passing through; the driving components are uniformly arranged on the bending platform in an arc shape and drive the bent steel workpiece 8 to move forward on the bending platform; the plurality of profiling assemblies are uniformly arranged on the bending platform in an arc shape and profiling the bent steel workpiece 8; and a plurality of transmission devices are arranged at the bottom of the bent steel workpiece 8.
Specifically, the bent steel workpiece 8 passes through the bending platform, a plurality of driving assemblies and a plurality of profiling assemblies are fixed on the bending platform, the driving assemblies and the profiling assemblies are all arranged according to the bending degree required to be pressed, the driving assemblies drive the bent steel workpiece 8 to move forward, the profiling assemblies press the bent steel workpiece 8 into the required bending degree in the forward moving process, and the transmission device assists the bent steel workpiece 8 to move forward.
The bending platform comprises a bottom steel platform 1 and an upper pressing plate frame 7, a supporting structure is arranged between the bottom steel platform 1 and the upper pressing plate frame 7, and a bending steel workpiece 8 passes through the space between the bottom steel platform 1 and the upper pressing plate frame 7.
Specifically, the bottom steel platform 1 and the upper pressing plate frame 7 adopt the steel section and the steel plate to be assembled and welded into a frame structure, the bottom steel platform 1 and the upper pressing plate frame 7 are of a fan-shaped structure with long outer side and short inner side, the supporting structure arranged between the upper pressing plate frame 7 and the bottom steel platform 1 can be I-shaped steel or other upright posts of structures, a certain space exists between the upper pressing plate frame 7 and the bottom steel platform 1 and is used for allowing a bent steel workpiece 8 to pass through, and meanwhile, a driving assembly, a profiling assembly and a transmission device can be installed in the space.
The driving assembly comprises a cycloidal pin gear speed reducer 3, the output end of the cycloidal pin gear speed reducer 3 is connected with a steel roller 2, the steel roller 2 is arranged between a bottom steel platform 1 and an upper pressing plate frame 7, and meanwhile one side of the steel roller 2 is in contact connection with a bent steel workpiece 8.
Specifically, the cycloidal pin gear speed reducer 3 is fixed on the upper pressing plate frame 7, the output end of the cycloidal pin gear speed reducer 3 passes through a hole originally formed in the upper pressing plate frame 7, the steel roller 2 is arranged between the bottom steel platform 1 and the upper pressing plate frame 7, the steel roller 2 is a seamless steel pipe subjected to surface hardening treatment, two ends of the steel roller 2 are respectively connected with the bottom steel platform 1 and the upper pressing plate frame 7 through bearings, and the steel roller 2 rotates under the driving of the output end of the cycloidal pin gear speed reducer 3. While the steel roller 2 rotates, the bent steel workpiece 8 connected in contact with the steel roller is driven to move forward.
The profiling assembly comprises a shaping baffle wheel 6 arranged on the outer side of the bent profile steel workpiece 8 and a profiling roller 4 arranged on the inner side of the bent profile steel workpiece 8. The setting catch wheel 6 is fixed between the bottom steel platform 1 and the upper press plate frame 7. The profiling roller 4 is movably arranged between the bottom steel platform 1 and the upper pressing plate frame 7, the profiling roller 4 is fixed at the end part of the thrust oil cylinder 5, and the other end part of the thrust oil cylinder 5 is fixed.
Specifically, the two ends of the shaping baffle wheel 6 are respectively connected between the bottom steel platform 1 and the upper pressing plate frame 7 through bearings, the profiling roller 4 and the shaping baffle wheel 6 adopt seamless steel pipes subjected to surface hardening treatment, the thrust oil cylinder 5 has a thrust force on the profiling roller 4, and the shaping baffle wheel 6 is matched with the profiling roller 4 to profiling the bent profile steel workpiece 8.
The transmission device is a supporting roller 9. The supporting pad roller 9 is arranged between the bottom steel platform 1 and the upper pressing plate frame 7, two ends of the supporting pad roller 9 are fixed on the upright posts, and the top and the bottom of the upright posts are respectively fixed with the upper pressing plate frame 7 and the bottom steel platform 1.
Specifically, the stand is steel construction, and upper and lower both ends of stand can welded or bolted connection on upper portion clamp plate frame 7 and bottom steel platform 1, and the stand of both sides corresponds the position and sets up the bearing, and the both ends of a pad gyro wheel 9 are fixed on the bearing for supplementary bending shaped steel work piece 8 is preceding.
The steel arch is bent and formed, the advantages of multipoint control, multiple rolling, multipoint prepressing and multipoint prestressing are achieved, errors are eliminated through profiling on a tool, the geometric dimension of the profile is guaranteed, the welding repair of the strong compressive stress flange is achieved, and the high-standard tunnel support construction quality requirement can be met.
The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Claims (8)
1. A steel arch integral bending forming device is characterized in that,
comprises a bending platform, a bending section steel workpiece (8) is arranged to pass through the bending platform;
the driving assemblies are uniformly arranged on the bending platform in an arc shape and drive the bent steel workpiece (8) to move forward on the bending platform;
the plurality of profiling assemblies are uniformly arranged on the bending platform in an arc shape and profiling the bent steel workpiece (8);
the transmission devices are arranged at the bottom of the bent steel workpiece (8).
2. A steel arch integrally bending apparatus according to claim 1, wherein the bending platform comprises a bottom steel platform (1) and an upper platen frame (7), a support structure being provided between the bottom steel platform (1) and the upper platen frame (7), the bent steel work piece (8) passing between the bottom steel platform (1) and the upper platen frame (7).
3. The steel arch integral bending forming device according to claim 2, wherein the driving assembly comprises a cycloidal pin gear speed reducer (3), the output end of the cycloidal pin gear speed reducer (3) is connected with a steel roller (2), the steel roller (2) is arranged between a bottom steel platform (1) and an upper pressing plate frame (7), and one side of the steel roller (2) is in contact connection with a bent steel workpiece (8).
4. A steel arch integral bending apparatus according to claim 2, wherein the profiling assembly comprises a profiled bar (6) arranged outside the bent profile steel workpiece (8) and profiling rollers (4) arranged inside the bent profile steel workpiece (8).
5. A steel arch integrally-bending forming device according to claim 4, characterized in that the shaped retaining wheel (6) is fixed between the bottom steel platform (1) and the upper platen frame (7).
6. The steel arch integral bending forming device according to claim 4, wherein the profiling roller (4) is movably arranged between the bottom steel platform (1) and the upper pressing plate frame (7), the profiling roller (4) is fixed at the end part of the thrust oil cylinder (5), and the other end part of the thrust oil cylinder (5) is fixed.
7. A steel arch integrally-formed device according to claim 2, characterized in that the transmission means are backup rollers (9).
8. The steel arch integral bending forming device according to claim 7, wherein the supporting pad roller (9) is arranged between the bottom steel platform (1) and the upper pressing plate frame (7), two ends of the supporting pad roller (9) are fixed on the upright posts, and the top and the bottom of the upright posts are respectively fixed with the upper pressing plate frame (7) and the bottom steel platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141000.4U CN219817596U (en) | 2023-05-12 | 2023-05-12 | Integral bending device for steel arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141000.4U CN219817596U (en) | 2023-05-12 | 2023-05-12 | Integral bending device for steel arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219817596U true CN219817596U (en) | 2023-10-13 |
Family
ID=88251026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141000.4U Active CN219817596U (en) | 2023-05-12 | 2023-05-12 | Integral bending device for steel arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219817596U (en) |
-
2023
- 2023-05-12 CN CN202321141000.4U patent/CN219817596U/en active Active
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