CN210289789U - Reinforced corrugated plate protection device for tunnel portal - Google Patents
Reinforced corrugated plate protection device for tunnel portal Download PDFInfo
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- CN210289789U CN210289789U CN201920964148.5U CN201920964148U CN210289789U CN 210289789 U CN210289789 U CN 210289789U CN 201920964148 U CN201920964148 U CN 201920964148U CN 210289789 U CN210289789 U CN 210289789U
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Abstract
The utility model discloses a strenghthened type buckled plate protector for tunnel portal, including supporting steelframe and buckled plate, it comprises shaped steel web, flange board and bottom plate to support the steelframe, the both sides of shaped steel web are connected with the connecting plate, and have seted up the connecting hole on the connecting plate, the inboard of connecting plate is provided with the connecting piece, the bottom of supporting the steelframe passes through shaped steel bottom plate fixed mounting in C type channel-section steel, the bottom of buckled plate is worn to establish the bolt fastening on the vertical long end wall of C type channel-section steel, and the buckled plate is located the inboard of C type channel-section steel to C type channel-section steel is fixed in on the concrete base through rag bolt. This a strenghthened type buckled plate protector for tunnel entrance to a cave, buckled plate structural strength is high, and atress and deformation strong adaptability have better antidetonation, shock resistance, and this buckled plate protector construction process is simple simultaneously, and is efficient, and construction cycle is short, and engineering cost is low, the structure is pleasing to the eye.
Description
Technical Field
The utility model relates to a dangerous rock falling rocks protection technical field is prevented at tunnel portal specifically is a strenghthened type buckled plate protector for tunnel portal.
Background
In recent years, with the rapid development of a traffic system in China, construction projects of a high-speed railway are more and more, and due to the limitation of the trend and the length of the railway, the edges and the upward slopes of the entrances and the exits of a plurality of tunnels are high and steep, and the geological conditions are severe, so that disasters such as dangerous rocks, falling rocks, collapse and the like can be formed under the action of natural disasters such as rainwater, earthquakes and the like; due to randomness and outburst of the stone falling disasters, the motion path of the stone falling disasters can not be accurately predicted; therefore, the disasters cause great damage to tunnel opening sections and adjacent bridges and lines, seriously endanger driving safety and need a protective device for preventing dangerous rockfall at the tunnel opening.
The existing protective structure has large differences in the aspects of protective effect, construction feasibility, construction period, construction cost and the like, the commonly used reinforced concrete shed tunnel and the lengthened open cut tunnel protective structure have large weight, sand gravel or soil body cushion layers with certain thickness are generally covered on the top of the shed tunnel structure, mechanical equipment cannot enter a construction site at a bridge and tunnel transition section, and the difficulty in filling sand stones is large;
for the flexible steel structure, although the protective capability of the flexible steel structure is strong, the flexible steel structure is of a net structure, so that the deformation of the protective net structure is large, the requirement of railway clearance is easy to invade, the stability of a steel arch is difficult to guarantee during construction, and in addition, the flexible steel structure cannot protect small-particle-size stones.
Aiming at the problems, innovative design is urgently needed on the basis of the original protective device for preventing dangerous rocks and falling rocks at the tunnel portal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strenghthened type buckled plate protector for tunnel portal to solve above-mentioned background art and propose current tunnel portal and prevent dangerous rock and fall rocks protector, inconvenient installation and construction, the problem that holistic intensity is not enough simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a reinforced corrugated plate protection device for a tunnel portal comprises a support steel frame and corrugated plates, wherein the support steel frame is composed of a steel web plate, flange plates and a steel bottom plate, two sides of the steel web plate are connected with connecting plates, connecting holes are formed in the connecting plates, connecting pieces are arranged on the inner sides of the connecting plates, mounting holes are reserved in the connecting pieces, the corrugated plates are connected with the connecting pieces, filling pipes are installed between the arc inner sides of the corrugated plates and the arc outer sides of the flange plates, pressure sensors are installed at the contact positions of the tops of the filling pipes and the corrugated plates, the corrugated plates are fixedly connected through fixing bolts and nuts, gaskets are arranged between the nuts and the corrugated plates, the bottoms of the support steel frame are fixedly installed in C-shaped channel steel through the steel bottom plate, the bottoms of the corrugated plates are fixed on the vertical long end walls of the C-shaped channel steel through bolts, and the buckled plate is located the inboard of C type channel-section steel to C type channel-section steel passes through rag bolt to be fixed in on the concrete foundation.
Preferably, the profile steel web plate, the flange plate and the profile steel bottom plate form an I-shaped structure.
Preferably, the connecting piece is the design of wave type structure, and the connecting piece equidistant distribution is in supporting the steelframe.
Preferably, the gasket is concave-convex structure design, and the concave-convex angle of gasket is unanimous with the buckled plate.
Preferably, the filling pipe is designed to be of a thin-wall semicircular pipe type structure, and an elastomer is injected into the filling pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the reinforced corrugated plate protection device for the tunnel portal is characterized in that a reinforced corrugated plate protection device for the tunnel portal is arranged on the tunnel portal;
1. the corrugated plates are connected with each other through the support steel frame in an I shape or H shape, a stable integral structure is provided, meanwhile, the gaskets are designed in a concave-convex structure, the connection parts between the corrugated plates are effectively prevented from being loosened due to vibration, the stable connection between the corrugated plates is kept, meanwhile, the thin-wall semicircular pipe is filled with the elastic bodies, gaps at the tops of the corrugated plates are filled, the pressure of the corrugated plates is dispersed, and the integral stable use is kept;
2. through the connecting piece that sets up wave type structure, the connecting piece is connected with the support steelframe through the connecting plate simultaneously, only needs to fix the connecting piece on supporting the steelframe, then passes through fastening bolt with the buckled plate and fixes on the connecting piece, can accomplish holistic equipment, simple structure, simple to operate.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a corrugated plate side mounting structure of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the supporting steel frame of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the connecting member of the present invention;
FIG. 5 is a schematic view of the corrugated plate overlapping structure of the present invention;
FIG. 6 is a schematic view of the gasket structure of the present invention;
fig. 7 is a schematic view of the structure of the supporting steel frame and the concrete foundation of the present invention.
In the figure: 100. supporting the steel frame; 101. a section steel web plate; 102. a flange plate; 103. a profiled steel base plate; 120. A corrugated plate; 121. a pressure sensor; 130. a connecting member; 131. a connecting plate; 132. connecting holes; 133. mounting holes; 150. fixing the bolt; 160. a nut; 170. a gasket; 180. a fill tube; 210. anchor bolts; 220. c-shaped channel steel; 230. a concrete foundation.
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 work belong to the protection angle of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a reinforced corrugated plate protection device for a tunnel portal comprises a supporting steel frame 100, a steel web 101, flange plates 102, a steel bottom plate 103, corrugated plates 120, pressure sensors 121, connecting pieces 130, connecting plates 131, connecting holes 132, mounting holes 133, fixing bolts 150, nuts 160, gaskets 170, filling pipes 180, anchor bolts 210, C-shaped channel steels 220 and concrete bases 230, wherein the supporting steel frame 100 comprises the steel web 101, the flange plates 102 and the steel bottom plate 103, two sides of the steel web 101 are connected with the connecting plates 131, the connecting holes 132 are formed in the connecting plates 131, the connecting pieces 130 are arranged on the inner sides of the connecting plates 131, the mounting holes 133 are reserved in the connecting pieces 130, the corrugated plates 120 are connected with the connecting pieces 130, the filling pipes 180 are arranged between the arc inner sides of the corrugated plates 120 and the arc outer sides of the flange plates 102, and the pressure sensors 121 are arranged at the contact positions of the tops of the filling pipes 180 and the corrugated plates 120, the corrugated plates 120 are fixedly connected through the fixing bolts 150 and the nuts 160, the gaskets 170 are arranged between the nuts 160 and the corrugated plates 120, the bottom of the supporting steel frame 100 is fixedly installed in the C-shaped channel steel 220 through the section steel bottom plate 103, the bottoms of the corrugated plates 120 are fixed on the vertical long end walls of the C-shaped channel steel 220 through the bolts, the corrugated plates 120 are located on the inner sides of the C-shaped channel steel 220, and the C-shaped channel steel 220 is fixed on the concrete base 230 through the foundation bolts 210;
the profile steel web plate 101, the flange plate 102 and the profile steel bottom plate 103 form an I-shaped structure, so that the supporting performance of the supporting steel frame 100 is conveniently enhanced, and the integral stable installation and use are kept;
the connecting pieces 130 are designed to be wave-shaped structures, the connecting pieces 130 are distributed in the supporting steel frame 100 at equal intervals, the contact area between the connecting pieces 130 and the corrugated plates 120 is increased, and therefore the stability of the installation of the corrugated plates 120 is improved, and meanwhile the connecting pieces 130 distributed at equal intervals facilitate the large-scale installation of the corrugated plates 120;
the gasket 170 is designed to be a concave-convex structure, the concave-convex angle of the gasket 170 is consistent with that of the corrugated plate 120, and the gasket 170 is matched with the fixing bolt 150 and the nut 160, so that the looseness of the connection between the corrugated plates 120 due to vibration is effectively prevented, and the stable connection between the corrugated plates 120 is maintained;
the packing tube 180 is designed into a thin-wall semicircular tube structure, and the elastomer is injected into the packing tube 180, so that the gap of the corrugated plate 120 is filled through the packing tube 180, the pressure on the corrugated plate 120 is dispersed, and the stress performance between the corrugated plate 120 and the support steel frame 100 is greatly enhanced.
The working principle is as follows: when the reinforced corrugated plate protection device for the tunnel portal is used, firstly, the anchor bolts 210 are installed on the C-shaped channel steels 220, then the anchor bolts 210 with the C-shaped channel steels 220 are embedded in the foundation, then the first circle of supporting steel frame 100 is installed, then the connecting pieces 130 with the connecting plates 131 are installed on the supporting steel frame 100, namely, the connecting pieces 130 in the figure 4 are fixedly connected with the section steel web plates 101 on the supporting steel frame 100 through the connecting plates 131 and the connecting holes 132 on the outer sides of the connecting pieces by fastening bolts, according to the steps, the fixed installation of a plurality of connecting pieces 130 is completed in sequence, then the second circle of supporting steel frame 100 is installed, then the second circle of connecting pieces 130 with the connecting plates 131 are installed, meanwhile, as shown in figure 2, the filling pipes 180 are required to be fixed on the flange plates 102 in advance through the dovetail nails, according to the steps, after the supporting steel frame 100 with a certain distance and the connecting, then, the corrugated plate 120 is fixedly connected with the mounting holes 133 on the connecting member 130 through the fastening bolts to complete the mounting of the corrugated plate 120, and then as shown in fig. 5-6, 2 adjacent corrugated plates 120 are fixed through the fixing bolts 150 and the nuts 160, and simultaneously, the gasket 170 is placed between the nuts 160 and the tops of the corrugated plates 120 to reinforce the corrugated plates 120, and the mounted structure is as shown in fig. 1;
meanwhile, as shown in fig. 1 and 7, the section steel bottom plate 103 at the bottom of the supporting steel frame 100 is fixedly connected with the C-shaped channel steel 220 on the concrete base 230 through the anchor bolts 210, meanwhile, the C-shaped channel steel 220 is connected with the concrete base 230 through the anchor bolts 210, and meanwhile, when the supporting steel frame is used, the external pressure can be monitored in real time through the pressure sensor 121 at the top of the filling pipe 180, during installation and construction, the section steel is kept away from the transverse lapping part of the plate, the bolt through holes at the position are arranged on the straight line part of the corrugated structure, each circle of supporting steel frame 100 is formed by connecting a plurality of sections of arc-shaped steel in a combined mode, bolts are arranged between two adjacent sections of section steel in a penetrating mode through the section steel connecting steel plate, and.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalent changes and modifications may be made to some of the technical features of the embodiments, and any modifications, equivalent changes and modifications made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (5)
1. A strenghthened type buckled plate protector for tunnel portal, includes support steelframe (100) and buckled plate (120), its characterized in that: the supporting steel frame (100) is composed of a section steel web (101), flange plates (102) and a steel bottom plate (103), two sides of the section steel web (101) are connected with connecting plates (131), connecting holes (132) are formed in the connecting plates (131), connecting pieces (130) are arranged on the inner sides of the connecting plates (131), mounting holes (133) are reserved in the connecting pieces (130), corrugated plates (120) are connected with the connecting pieces (130), filling pipes (180) are arranged between the inner sides of the arcs of the corrugated plates (120) and the outer sides of the arcs of the flange plates (102), pressure sensors (121) are arranged at the tops of the filling pipes (180) and the contact positions of the corrugated plates (120), the corrugated plates (120) are fixedly connected through fixing bolts (150) and nuts (160), and gaskets (170) are arranged between the nuts (160) and the corrugated plates (120), the bottom of supporting steelframe (100) passes through shaped steel bottom plate (103) fixed mounting in C type channel-section steel (220), the bottom of buckled plate (120) is worn to establish the bolt fastening on the vertical long end wall of C type channel-section steel (220), and buckled plate (120) are located the inboard of C type channel-section steel (220) to C type channel-section steel (220) are fixed in on concrete foundation (230) through rag bolt (210).
2. A reinforced corrugated plate guard for a tunnel portal according to claim 1 wherein: the structural steel web (101), the flange plate (102) and the structural steel bottom plate (103) form an I-shaped structure.
3. A reinforced corrugated plate guard for a tunnel portal according to claim 1 wherein: the connecting pieces (130) are designed into a wave-shaped structure, and the connecting pieces (130) are distributed in the supporting steel frame (100) at equal intervals.
4. A reinforced corrugated plate guard for a tunnel portal according to claim 1 wherein: the gasket (170) is designed to be of a concave-convex structure, and the concave-convex angle of the gasket (170) is consistent with that of the corrugated plate (120).
5. A reinforced corrugated plate guard for a tunnel portal according to claim 1 wherein: the filling pipe (180) is designed to be of a thin-wall semicircular pipe type structure, and an elastomer is injected into the filling pipe (180).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964148.5U CN210289789U (en) | 2019-06-25 | 2019-06-25 | Reinforced corrugated plate protection device for tunnel portal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964148.5U CN210289789U (en) | 2019-06-25 | 2019-06-25 | Reinforced corrugated plate protection device for tunnel portal |
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| CN210289789U true CN210289789U (en) | 2020-04-10 |
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| CN201920964148.5U Active CN210289789U (en) | 2019-06-25 | 2019-06-25 | Reinforced corrugated plate protection device for tunnel portal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734436A (en) * | 2020-07-24 | 2020-10-02 | 沈阳促晋科技有限公司 | Force transferring and pressure reducing stabilizing system at top of bridge and culvert |
| CN111963212A (en) * | 2020-07-10 | 2020-11-20 | 中铁工程设计咨询集团有限公司 | Cable installation construction method for tunnel steel corrugated plate |
| CN112627845A (en) * | 2020-12-18 | 2021-04-09 | 兰州铁道设计院有限公司 | Steel-concrete composite structure for protecting tunnel portal of operation railway and construction method thereof |
-
2019
- 2019-06-25 CN CN201920964148.5U patent/CN210289789U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963212A (en) * | 2020-07-10 | 2020-11-20 | 中铁工程设计咨询集团有限公司 | Cable installation construction method for tunnel steel corrugated plate |
| CN111963212B (en) * | 2020-07-10 | 2023-02-07 | 中铁工程设计咨询集团有限公司 | Cable installation construction method for tunnel steel corrugated plate |
| CN111734436A (en) * | 2020-07-24 | 2020-10-02 | 沈阳促晋科技有限公司 | Force transferring and pressure reducing stabilizing system at top of bridge and culvert |
| CN112627845A (en) * | 2020-12-18 | 2021-04-09 | 兰州铁道设计院有限公司 | Steel-concrete composite structure for protecting tunnel portal of operation railway and construction method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A reinforced corrugated plate protection device for tunnel openings Effective date of registration: 20220830 Granted publication date: 20200410 Pledgee: Cangzhou Bank Co.,Ltd. Hengshui Branch Pledgor: HENGSHUI QIJIA ENGINEERING MATERIALS Co.,Ltd. Registration number: Y2022110000193 |