CN113441584A - Cold drawing forming device for transition section of tunnel section steel arch frame - Google Patents
Cold drawing forming device for transition section of tunnel section steel arch frame Download PDFInfo
- Publication number
- CN113441584A CN113441584A CN202110665087.4A CN202110665087A CN113441584A CN 113441584 A CN113441584 A CN 113441584A CN 202110665087 A CN202110665087 A CN 202110665087A CN 113441584 A CN113441584 A CN 113441584A
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- arc
- shaped
- forming device
- tunnel
- drawing forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a cold-drawing forming device for a transition section of a tunnel profile steel arch frame, which comprises a base, a pushing mechanism, an arc template mechanism and a hydraulic mechanism, wherein the pushing mechanism and the arc template mechanism are oppositely arranged on the base, profile steel to be processed is arranged between the pushing mechanism and the arc template mechanism, and the hydraulic mechanism is arranged on one side of the base and is connected with the pushing mechanism. The tunnel profile steel transition section bending device has the advantages of reasonable design structure, stable performance, high safety performance, simplicity in operation, low noise, energy conservation and environmental protection, one-time forming during profile steel bending, high bending speed, strong stability, less personnel consumption during construction operation, capability of adjusting the radian according to requirements, capability of greatly improving the working efficiency and capability of meeting quality requirements and safety requirements.
Description
Technical Field
The invention belongs to the technical field of one-time bending forming of two different radiuses of a profile steel arch used in primary support in a tunnel excavation construction process, and particularly relates to a cold-drawing forming device for a transition section of a tunnel profile steel arch.
Background
In recent years, construction projects have higher requirements on construction tool equipment and mechanical equipment, more strict requirements are provided for energy conservation and environmental protection, so that the cost of construction enterprises is increased, the construction enterprises also provide fine management, the management benefits, namely the management efficiency, the labor intensity of constructors is reduced, the operation efficiency is improved, the requirement on high-quality development of construction is improved, the pollution to the environment is reduced in the construction process, the emission of harmful gas to the atmosphere is reduced, and the environment is protected.
The method comprises the following steps that a large number of profile steel arch frames are needed to reinforce and support the circular periphery of a tunnel in the construction of the tunnel at the present stage, the common arched top and the middle part of the design of the tunnel at the present stage are combined into the profile steel arch frames by concentric circles or multiple concentric circles and then are spliced and formed, profile steel at the lower part of the tunnel is generally straight-line segments, and then the rear surface of the spliced and formed profile steel arch frames at the present stage is closely contacted with the ground and is sprayed with concrete to form a ring, so that the next circulating excavation operation can be carried out; firstly, strengthen the preliminary bracing in tunnel, secondly carry out the guarantee of safe construction operation for next excavation.
At present, the crooked operation that all is carried out with the rotation type forming steel bow member changeover portion, the flexible length of shape steel bow member changeover portion at every turn when the bending operation of forming steel bow member changeover portion all will adjust the centre wheel and the height of pinch roller, and there is one section straight at changeover portion camber end, the unable crooked shape of cutting off, just can with the shape steel bow member camber angle butt joint at middle part smooth-going, can extravagant one section shape steel, constructor's operation is also more troublesome, the accuracy is not good control when doing, there is serious influence to the quality of manufacture process, and the efficiency of construction is also relatively low, still must professional operate, directly can influence construction quality and construction progress, make the construction cost of enterprise increase.
At present, no tunnel profile steel transition section bending device which is simple to operate, quick and efficient exists in the market.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a cold drawing forming device for a transition section of a tunnel steel arch frame.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a cold-drawing forming device for a transition section of a tunnel profile steel arch frame, which comprises a base, a pushing mechanism, an arc-shaped template mechanism and a hydraulic mechanism, wherein the pushing mechanism and the arc-shaped template mechanism are oppositely arranged on the base, profile steel to be processed is arranged between the pushing mechanism and the arc-shaped template mechanism, and the hydraulic mechanism is arranged on one side of the base and is connected with the pushing mechanism.
In the above scheme, the pushing mechanism includes a T-shaped fixing frame, pushing cylinders, bending arms, a follower frame and a clamping assembly, the bending arms are respectively arranged on two sides of the lower portion of the T-shaped fixing frame, fixed ends of the pushing cylinders are arranged on two sides of the upper portion of the T-shaped fixing frame, piston ends of the pushing cylinders are connected with the corresponding bending arms, the follower frame is located on one side, facing the arc template mechanism, of the end portion of each bending arm and is provided with rollers which abut against the section steel, and the clamping assembly is arranged on one side, facing the arc template mechanism, of the T-shaped fixing frame and used for fixing the section steel.
In the above scheme, clamping unit is including pressing from both sides tight hydro-cylinder, tight piece in top, the stiff end setting of pressing from both sides tight hydro-cylinder is in one side of T type mount towards arc template mechanism, the piston end that presss from both sides tight hydro-cylinder sets up tight piece in top, tight piece in top and shaped steel butt.
In the above scheme, arc template mechanism includes arc template, fixed pipe, fixed thick stick, the middle zone of arc template dorsal surface sets up the fixed pipe of a plurality of along horizontal interval, the lower extreme of fixed pipe is connected with the fixed thick stick that transversely sets up through adjusting nut.
In the scheme, the two side areas of the back side surface of the arc-shaped template are provided with the plurality of screw rods at intervals along the transverse direction, the lower ends of the screw rods are connected with the transversely arranged fixing bars through the adjusting nuts, and the screw rods are sleeved with the screw tubes.
In the scheme, one side of the arc-shaped template facing the section steel is provided with the baffle.
In the scheme, the left side and the right side of the arc-shaped template are respectively provided with the control switches.
In the scheme, the arc-shaped template consists of a plurality of arc-shaped plates, and a connecting plate is arranged between every two adjacent arc-shaped plates.
Compared with the prior art, the tunnel section steel transition section bending device has the advantages of reasonable design structure, stable performance, high safety performance, simplicity in operation, low noise, energy conservation and environmental protection, one-time forming during section steel bending, high bending speed, strong stability, less personnel consumption during construction operation, capability of greatly improving the working efficiency and meeting the quality and safety requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a cold-drawing forming device for a transition section of a tunnel section steel arch according to an embodiment of the present invention;
FIG. 2 is a side view of a cold-drawing forming device for a transition section of a tunnel steel arch according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a cold-drawing forming device for a transition section of a tunnel section steel arch, which comprises a base 1, a pushing mechanism 2, an arc template mechanism 3 and a hydraulic mechanism 4, wherein the pushing mechanism 2 and the arc template mechanism 3 are oppositely arranged on the base 1, a section steel 5 to be processed is arranged between the pushing mechanism 2 and the arc template mechanism 3, and the hydraulic mechanism 4 is arranged on one side of the base 1 and connected with the pushing mechanism 2.
The pushing mechanism 2 comprises a T-shaped fixing frame 21, pushing oil cylinders 22, bending arms 23, a follow-up frame 24 and a clamping assembly 25, the bending arms 23 are arranged on two sides of the lower portion of the T-shaped fixing frame 21 respectively, fixed ends of the pushing oil cylinders 22 are arranged on two sides of the upper portion of the T-shaped fixing frame 21, piston ends of the pushing oil cylinders 22 are connected with the corresponding bending arms 23, the follow-up frame 24 is located on one side, facing the arc-shaped template mechanism 3, of the end portions of the bending arms 23 and is provided with rollers which are abutted to the section steel 5, and the clamping assembly 25 is arranged on one side, facing the arc-shaped template mechanism 3, of the T-shaped fixing frame 21 and is used for fixing the section steel 5.
The clamping assembly 25 comprises a clamping oil cylinder 251 and a jacking block 252, the fixed end of the clamping oil cylinder 251 is arranged on one side of the T-shaped fixed frame 21 facing the arc-shaped template mechanism 3, the jacking block 252 is arranged at the piston end of the clamping oil cylinder 251, and the jacking block 252 is abutted to the section steel 5.
Arc template mechanism 3 includes arc template 31, fixed pipe 32, fixed thick stick 33, the middle zone of arc template 31 dorsal surface sets up the fixed pipe 32 of a plurality of along horizontal interval, the lower extreme of fixed pipe 32 is connected with the fixed thick stick 33 of horizontal setting through adjusting nut 34.
The two side regions of the back side surface of the arc-shaped template 31 are provided with a plurality of screw rods 35 at intervals along the transverse direction, the lower ends of the screw rods 35 are connected with the transversely arranged fixing bars 33 through adjusting nuts 34, and the screw tubes 351 are sleeved outside the screw rods 35.
The side of the arc-shaped template 31 facing the section steel 5 is provided with a baffle 311.
The left and right sides of the arc-shaped template 31 are respectively provided with a control switch 312.
The arc template 31 is composed of a plurality of arc plates, and a connecting plate 313 is arranged between every two adjacent arc plates.
In some embodiments, the arc template 31 is composed of three arc plates, two fixing pipes 32 are arranged on the back side of the middle arc plate at intervals along the transverse direction, two screws 35 are arranged on the back side of the arc plates at two sides at intervals along the transverse direction, and the middle arc plate and the arc plates at two sides are hinged through a connecting plate 313, so that the curvature can be adjusted through the screws 35 of the arc plates at two sides.
When the bending diameters of the two sides of the processed section steel 5 are the same, firstly fixing the arc-shaped templates 31, rotating the wire cylinders 351 to adjust the radians of the arc-shaped templates 31 on the two sides, adjusting the amplitude of the wire cylinders 351 on the two sides to be the same, then screwing and locking all the adjusting nuts 34 on the fixing bars 33, adjusting the setting position of the control switch 312, placing the section steel 5 on the bending arm 23 and between the jacking block 252 and the arc-shaped templates 31, opening the electric control cabinet to start the hydraulic tank to operate the clamping oil cylinder 251 to stretch out the section steel 5 with the jacking block 252 to clamp the arc-shaped templates 31, and then stopping; and operating the pushing cylinder 22 to extend out, simultaneously pushing the bending arm 23 at the end of the bending arm and the follow-up frame 24 to rotate and push the section steel 5 to extend the shape of the arc-shaped template 311 to be formed in a manner of pasting on the house until the section steel touches the control switch 312 to stop, and reaching the arc shape of the bending section steel 5, and operating the operating lever again to enable the pushing cylinder 22 and the clamping cylinder 251 to be retracted.
When the bending diameters of the two sides of the processed section steel 5 are different, firstly fixing the arc-shaped templates 31, correspondingly rotating the wire cylinders 351 on the side according to the bending diameters of the two sides to enable the bending diameters of the arc-shaped templates 31 on the two sides to be different, then screwing and locking all the adjusting nuts 34 on the fixing bars 33, adjusting the setting position of the control switch 312, placing the section steel 5 on the bending arms 23 and between the jacking blocks 252 and the arc-shaped templates 31, opening the electric control cabinet to start the hydraulic box to operate the clamping oil cylinders 251 to stretch out the section steel 5 between the arc-shaped templates 31 with the jacking blocks 252 and then stop; and operating the pushing cylinder 22 to extend out, simultaneously pushing the bending arm 23 at the end of the bending arm and the follow-up frame 24 to rotate and push the section steel 5 to extend the shape of the arc-shaped template 311 to be formed in a manner of pasting on the house until the section steel touches the control switch 312 to stop, and reaching the arc shape of the bending section steel 5, and operating the operating lever again to enable the pushing cylinder 22 and the clamping cylinder 251 to be retracted.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the terms describing the positional relationships in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. The utility model provides a tunnel shaped steel bow member changeover portion cold drawing forming device which characterized in that, the device include base, thrustor mechanism, arc template mechanism, hydraulic pressure mechanism, thrustor mechanism, arc template mechanism set up on the base relatively, set up the shaped steel of treating processing between thrustor mechanism, the arc template mechanism, hydraulic pressure mechanism sets up in one side of base and is connected with thrustor mechanism.
2. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to claim 1, wherein the pushing mechanism comprises a T-shaped fixing frame, pushing cylinders, bending arms, a follower frame and a clamping assembly, the bending arms are respectively arranged on two sides of the lower portion of the T-shaped fixing frame, fixed ends of the pushing cylinders are arranged on two sides of the upper portion of the T-shaped fixing frame, piston ends of the pushing cylinders are connected with the corresponding bending arms, the follower frame is located on one side, facing the arc-shaped formwork mechanism, of the end portions of the bending arms and is provided with rollers which abut against the section steel, and the clamping assembly is arranged on one side, facing the arc-shaped formwork mechanism, of the T-shaped fixing frame and is used for fixing the section steel.
3. The cold-drawing forming device for the transition section of the tunnel-type steel arch centering according to claim 2, wherein the clamping assembly comprises a clamping oil cylinder and a jacking block, the fixed end of the clamping oil cylinder is arranged on one side of the T-shaped fixing frame facing the arc-shaped template mechanism, the piston end of the clamping oil cylinder is provided with the jacking block, and the jacking block is abutted against the section steel.
4. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to any one of claims 1 to 3, wherein the arc formwork mechanism comprises an arc formwork, fixing pipes and a fixing bar, a plurality of fixing pipes are arranged in the middle area of the back side surface of the arc formwork at intervals along the transverse direction, and the lower ends of the fixing pipes are connected with the fixing bar arranged in the transverse direction through adjusting nuts.
5. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to claim 4, wherein a plurality of screw rods are arranged at two side regions of the back side surface of the arc-shaped formwork at intervals along the transverse direction, the lower ends of the screw rods are connected with a transversely arranged fixing rod through adjusting nuts, and a screw tube is sleeved outside the screw rods.
6. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to claim 5, wherein a baffle is arranged on one side of the arc-shaped template facing the steel arch.
7. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to claim 6, wherein control switches are respectively arranged on the left side and the right side of the arc-shaped template.
8. The cold-drawing forming device for the transition section of the tunnel steel arch centering according to claim 7, wherein the arc-shaped formwork is composed of a plurality of arc-shaped plates, and a connecting plate is arranged between two adjacent arc-shaped plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665087.4A CN113441584A (en) | 2021-06-16 | 2021-06-16 | Cold drawing forming device for transition section of tunnel section steel arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665087.4A CN113441584A (en) | 2021-06-16 | 2021-06-16 | Cold drawing forming device for transition section of tunnel section steel arch frame |
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| Publication Number | Publication Date |
|---|---|
| CN113441584A true CN113441584A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110665087.4A Pending CN113441584A (en) | 2021-06-16 | 2021-06-16 | Cold drawing forming device for transition section of tunnel section steel arch frame |
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| CN (1) | CN113441584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046939A (en) * | 2023-10-13 | 2023-11-14 | 南通日旭重工科技有限公司 | Manual pipe bending machine |
-
2021
- 2021-06-16 CN CN202110665087.4A patent/CN113441584A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046939A (en) * | 2023-10-13 | 2023-11-14 | 南通日旭重工科技有限公司 | Manual pipe bending machine |
| CN117046939B (en) * | 2023-10-13 | 2023-12-26 | 南通日旭重工科技有限公司 | Manual pipe bending machine |
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