CN213235091U - Steel arch support capable of being semi-automatically installed - Google Patents
Steel arch support capable of being semi-automatically installed Download PDFInfo
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- CN213235091U CN213235091U CN202022353743.0U CN202022353743U CN213235091U CN 213235091 U CN213235091 U CN 213235091U CN 202022353743 U CN202022353743 U CN 202022353743U CN 213235091 U CN213235091 U CN 213235091U
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Abstract
The utility model discloses a steel arch support capable of semi-automatically installing, which comprises a plurality of arc-shaped steel arches connected in sequence, wherein two adjacent arc-shaped steel arches are connected through a connecting part; the connecting part comprises two hinged H-shaped steels, one H-shaped steel is rotatably connected with a lap joint buckle, the other H-shaped steel is provided with a clamping groove corresponding to the lap joint buckle, and when the arc-shaped steel arch is unfolded to form a steel arch support, the lap joint buckle can fall into the corresponding clamping groove under the action of self gravity or external action force; the bottom ends of the two arc-shaped steel arches positioned at the two ends are respectively connected with a supporting bracket. The utility model discloses steel that can semi-automatic installation encircles the support and has improved the efficiency and the security that the steel encircleed the support construction.
Description
Technical Field
The utility model relates to a civil engineering technical field especially relates to a steel arch that can semi-automatic installation supports.
Background
The arch support in tunnel construction has the functions of supporting surrounding rocks, and performing primary support together with anchor rods and sprayed concrete. According to the traditional steel arch support construction method, after each excavation cycle step of the tunnel is finished, the steel arch needs to be positioned manually under the condition of being close to an excavation surface, then the steel arch is installed and arch springing is fixed, and the construction process is high in danger and complex in process. The novel national standard H-shaped steel arch support introduces a semi-automatic installation concept, and the steel arch is prefabricated in a factory and then folded to be conveyed to a construction site; when the folding steel arch is placed on the tunnel excavation surface by using the telescopic boom operation vehicle, the folding steel arch can be opened conveniently under the action of external force. After the new arch is positioned, the second operating vehicle connects the new arch with the previously installed steel arch, and when the steel arch is positioned correctly, the second operating vehicle positions the arch legs. Although the construction method realizes mechanical operation in the construction process, the folded parts of the steel arch support are difficult to fix.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel arch that can semi-automatic installation supports to solve the problem that above-mentioned prior art exists, improve the efficiency and the security that the steel arch supported the construction.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a steel arch support capable of semi-automatically installing, which comprises a plurality of arc-shaped steel arches connected in sequence, wherein two adjacent arc-shaped steel arches are connected through a connecting part; the connecting part comprises two hinged H-shaped steels, one H-shaped steel is rotatably connected with a lap joint buckle, the other H-shaped steel is provided with a clamping groove corresponding to the lap joint buckle, and when the arc-shaped steel arch is unfolded to form a steel arch support, the lap joint buckle can fall into the corresponding clamping groove under the action of self gravity or external action force; the bottom ends of the two arc-shaped steel arches positioned at the two ends are respectively connected with a supporting bracket.
Preferably, the support bracket includes bottom plate, slide bar, screw rod, connecting plate, movable plate and fixed plate, the slide bar the screw rod with the fixed plate sets firmly respectively on the bottom plate, the slide bar with the screw rod respectively with connecting plate sliding fit, the connecting plate with the bottom of movable plate links firmly, the movable plate with fixed plate sliding fit, threaded connection has to be located respectively on the screw rod two bolts of both sides about the connecting plate, the slide bar the screw rod with the fixed plate is parallel to each other.
Preferably, one of the support brackets comprises one of the fixed plate, one of the moving plate, one of the connecting plate, a plurality of the slide bars and a plurality of the screws.
Preferably, when the arc-shaped steel arch is unfolded to form a steel arch support, the rotating connecting end of the lap joint buckle is higher than the clamping groove corresponding to the lap joint buckle.
Preferably, the lap joint buckle is connected with the H-shaped steel through a rotating shaft in a rotating mode, a protruding block is arranged on the rotating shaft, an arc-shaped groove is formed in the side wall of the H-shaped steel, and the protruding block is located in the arc-shaped groove and can move in the arc-shaped groove.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a steel that can semi-automatic installation encircles and supports has improved the efficiency and the security that the steel encircleed the support construction. The utility model discloses the steel that can semi-automatic installation encircles the mechanized operation that has realized H shaped steel arch and has supported, has solved the loaded down with trivial details problem that the work progress was strutted to traditional steel arch, encircles the setting of strutting for steel from now on and has improved security and ageing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a part of a steel arch support capable of semi-automatically mounting according to the present invention;
FIG. 2 is a schematic view of a part of the structure of the steel arch support capable of semi-automatically mounting according to the present invention;
FIG. 3 is a first schematic structural diagram of a connecting portion in a steel arch support capable of semi-automatic installation according to the present invention;
FIG. 4 is a second schematic structural view of the connecting portion of the semi-automatically mountable steel arch support of the present invention;
fig. 5 is a schematic view of a part of the structure of the steel arch support capable of semi-automatically mounting according to the present invention;
FIG. 6 is a schematic structural view of a support bracket in a steel arch support capable of semi-automatic installation according to the present invention;
wherein: 1. a first arcuate steel arch; 2. a second arcuate steel arch; 3. a third arc-shaped steel arch; 4. a fourth arc-shaped steel arch; 5. a fifth arc-shaped steel arch; 6. a first H-shaped steel; 7. a second H-shaped steel; 8. overlapping and buckling; 81. a rotating shaft; 82. a bump; 9. a card slot; 10. a base plate; 11. a slide bar; 12. a screw; 13. Moving the plate; 14. a fixing plate; 15. a connecting plate; 16. an arc-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a steel arch that can semi-automatic installation supports to solve the problem that above-mentioned prior art exists, improve the efficiency and the security that the steel arch supported the construction.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 6: the embodiment provides a steel arch support capable of being installed semi-automatically, which comprises a first arc-shaped steel arch 1, a second arc-shaped steel arch 2, a third arc-shaped steel arch 3, a fourth arc-shaped steel arch 4 and a fifth arc-shaped steel arch 5 which are connected in sequence, wherein two adjacent arc-shaped steel arches are connected through a connecting part; the connecting part comprises two hinged H-shaped steels, namely a first H-shaped steel 6 and a second H-shaped steel 7, the first H-shaped steel 6 is rotatably connected with a lap joint buckle 8, the second H-shaped steel 7 is provided with a clamping groove 9 corresponding to the lap joint buckle 8, and when the arc-shaped steel arch is unfolded to form a steel arch support, the lap joint buckle 8 can fall into the corresponding clamping groove 9 under the action of self gravity or external action force; the bottom ends of the two arc-shaped steel arches positioned at the two ends are respectively connected with a supporting bracket.
The support bracket comprises a bottom plate 10, a sliding rod 11, a screw 12, a connecting plate 15, a movable plate 13 and a fixed plate 14, the sliding rod 11, the screw 12 and the fixed plate 14 are fixedly arranged on the bottom plate 10 respectively, the sliding rod 11 and the screw 12 are in sliding fit with the connecting plate 15 respectively, the connecting plate 15 is fixedly connected with the bottom end of the movable plate 13, the movable plate 13 is in sliding fit with the fixed plate 14, two bolts respectively positioned on the upper side and the lower side of the connecting plate 15 are in threaded connection with the screw 12, and the sliding rod 11, the screw 12 and the. A support bracket comprises a fixed plate 14, a moving plate 13, two slide bars 11 and three screws 12. It should be noted that the number of the sliding rods 11 is not limited to two, and the number of the screws 12 is not limited to three, and in practical applications, the specific number of the sliding rods 11 and the sliding rods 12 is determined according to the actual size of the H-shaped steel and the field condition (bearing capacity condition), and when the H-shaped steel is larger in size or higher in bearing capacity, the number of the sliding rods 11 and the screws 12 is correspondingly increased, and the specific number is determined according to the actual condition.
When the arc-shaped steel arch is unfolded to form the steel arch support, the rotating connecting end of the lap joint buckle 8 is higher than the clamping groove 9 corresponding to the lap joint buckle 8. As shown in FIG. 5, the lap buckle 8 is rotatably connected to the H-shaped steel through a rotating shaft 81, a protrusion 82 is disposed on the rotating shaft 81, an arc-shaped groove 16 is disposed on the side wall of the H-shaped steel, and the protrusion 82 is located in the arc-shaped groove 16 and can move in the arc-shaped groove 16.
The steel arch support capable of being semi-automatically installed in the embodiment is used as follows:
in an initial state, in order to conveniently transport the first, second, third, fourth and fifth arch steel 1, 2, 3, 4 and 5 in a folded state, after all the parts of the semi-automatically installed steel arch support are transported to an installation site, the first, second, third, fourth and fifth arch steel 1, 2, 3, 4 and 5 are unfolded and the first, second, third, fourth and fifth arch steel 1, 2, 3, 4 and 5 are sleeved on a tunnel anchor through respective side wall mounting holes, so that the steel arch support formed after the unfolding is suspended on the top of the tunnel, during which it is necessary to drop the overlap buckle 8 into the corresponding slot 9, and when the overlap buckle 8 cannot freely drop into the corresponding slot 9 under the self-gravity, it is supplementary to press into corresponding draw-in groove 9 with overlap joint 8 in to make overlap joint 8 and the draw-in groove 9 block that corresponds, make the whole setting of steel arch support, can maintain the arch unchangeable, then connect respectively at the bottom of first arc steel arch 1 and fifth arc steel arch 5 and support the bracket, the in-process that supports the bracket in the installation can be through adjusting the height of connecting plate 15 and come easy to assemble, later pour the concrete on steel arch support and tunnel stock and can form the outrigger.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. The utility model provides a steel arch that can semi-automatic installation supports which characterized in that: the steel arch connecting structure comprises a plurality of arc-shaped steel arches which are sequentially connected, wherein two adjacent arc-shaped steel arches are connected through a connecting part; the connecting part comprises two hinged H-shaped steels, one H-shaped steel is rotatably connected with a lap joint buckle, the other H-shaped steel is provided with a clamping groove corresponding to the lap joint buckle, and when the arc-shaped steel arch is unfolded to form a steel arch support, the lap joint buckle can fall into the corresponding clamping groove under the action of self gravity or external action force; the bottom ends of the two arc-shaped steel arches positioned at the two ends are respectively connected with a supporting bracket.
2. A semi-automatically installable steel arch support according to claim 1 wherein: the utility model discloses a bracket, including support bracket, bottom plate, slide bar, screw rod, connecting plate, movable plate and fixed plate, the slide bar the screw rod with the fixed plate sets firmly respectively on the bottom plate, the slide bar with the screw rod respectively with connecting plate sliding fit, the connecting plate with the bottom of movable plate links firmly, the movable plate with fixed plate sliding fit, threaded connection has and is located respectively on the screw rod two bolts of both sides about the connecting plate, the slide bar the screw rod with the fixed plate is parallel to each other.
3. A semi-automatically installable steel arch support according to claim 2, characterised in that: one of the support brackets comprises one of the fixed plate, one of the movable plate, one of the connecting plate, a plurality of the slide bars and a plurality of the screws.
4. A semi-automatically installable steel arch support according to claim 1 wherein: when the arc-shaped steel arch is unfolded to form a steel arch support, the rotating connecting end of the lap joint buckle is higher than the clamping groove corresponding to the lap joint buckle.
5. A semi-automatically installable steel arch support according to claim 1 wherein: the lap joint buckle is connected with the H-shaped steel through the rotating shaft in a rotating mode, a convex block is arranged on the rotating shaft, an arc-shaped groove is formed in the side wall of the H-shaped steel, and the convex block is located in the arc-shaped groove and can move in the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022353743.0U CN213235091U (en) | 2020-10-21 | 2020-10-21 | Steel arch support capable of being semi-automatically installed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022353743.0U CN213235091U (en) | 2020-10-21 | 2020-10-21 | Steel arch support capable of being semi-automatically installed |
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| CN213235091U true CN213235091U (en) | 2021-05-18 |
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| CN202022353743.0U Active CN213235091U (en) | 2020-10-21 | 2020-10-21 | Steel arch support capable of being semi-automatically installed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517596A (en) * | 2023-06-27 | 2023-08-01 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
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2020
- 2020-10-21 CN CN202022353743.0U patent/CN213235091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517596A (en) * | 2023-06-27 | 2023-08-01 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
| CN116517596B (en) * | 2023-06-27 | 2023-10-10 | 中铁六局集团太原铁路建设有限公司 | Tunnel supporting structure and supporting method |
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