CN216056259U - Novel inorganic composite material cover plate for tunnel cable trench - Google Patents
Novel inorganic composite material cover plate for tunnel cable trench Download PDFInfo
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- CN216056259U CN216056259U CN202122595418.XU CN202122595418U CN216056259U CN 216056259 U CN216056259 U CN 216056259U CN 202122595418 U CN202122595418 U CN 202122595418U CN 216056259 U CN216056259 U CN 216056259U
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Abstract
The utility model discloses a novel inorganic composite material cover plate for a tunnel cable duct, which comprises a cover plate main body, wherein handle fixing blocks are arranged at the front end and the rear end of the left side and the right side in the cover plate main body, first cavities are arranged in the handle fixing blocks, limiting plates are fixedly connected to the front side and the rear side of the upper end of each first cavity, first fixing rods are slidably connected in the limiting plates, springs are fixedly connected to the lower sides of the limiting plates, sliding plates are fixedly connected to one ends of the first fixing rods in the first cavities, and the other ends of the first fixing rods are fixedly connected to the two ends of a cover plate handle respectively. According to the utility model, the cover plate can be moved through the telescopic handle structure, so that the reinforced concrete cover plate is convenient and practical, the defects of easiness in damage and large weight of the traditional reinforced concrete cover plate are overcome, the cost is lower than that of the traditional reinforced concrete cover plate, and the construction cost can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of highway tunnel design and construction, in particular to a novel inorganic composite material cover plate for a tunnel cable trench.
Background
The investment amount of highway construction in China has steadily increased in the last decade, with the rapid development of highways in China, more and more highway tunnels and expressway tunnels are provided, and with the rapid development of highway career in China, the highway gradually extends to mountainous areas, and due to the particularity and complexity of geological structures of the mountainous areas, the number of highway tunnels in the mountainous areas is 19067, the highway tunnels are increased by 7.5% on a same basis, and the total length of the highway tunnels reaches 1896.66 ten thousand meters and is increased by 10% on a same basis by 2019 according to statistics. Under the condition that the occupation ratio of tunnels of highways and expressways is higher and higher nowadays, how to safely and efficiently carry out tunnel construction and subsequent maintenance becomes an important issue at present. Due to the optimization of the construction process, the intervention of large machinery has a mature system in the current tunnel construction, and a new breakthrough is difficult to make. With the new millennium of our country, 20 years later, the strength of our country brings promising scientific research achievements to material science, and new materials are gradually adopted in our country to break through the original design and construction bottlenecks, so that the tunnel project is completed more safely and efficiently.
In current tunnel design and construction, cable trench cover is always an easy problem of neglecting, and conventional design all adopts prefabricated reinforced concrete apron basically, and often the design intensity redundancy is too big, and the apron construction is wasted time again simultaneously, and follow-up maintenance is extremely inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a novel inorganic composite material cover plate for a tunnel cable trench.
In order to achieve the purpose, the utility model adopts the following technical scheme: a novel inorganic composite material cover plate for a tunnel cable duct comprises a cover plate main body, wherein handle fixing blocks are arranged at the front end and the rear end of the left side and the rear end of the inner part of the cover plate main body, first cavities are arranged in the handle fixing blocks, limiting plates are fixedly connected to the front side and the rear side of the upper end of each first cavity, first fixing rods are slidably connected in the limiting plates, springs are fixedly connected to the lower sides of the limiting plates, sliding plates are fixedly connected to one ends of the first fixing rods in the first cavities, the other ends of the first fixing rods are fixedly connected to the two ends of a cover plate handle respectively, third cavities are arranged in the upper parts of the left side and the right side of the cover plate main body, knobs are arranged at the upper sides of the middle parts of the left side and the right side of the cover plate main body, second fixing rods are fixedly connected to the lower parts of the knobs, gears are fixedly connected to the lower ends of the second fixing rods, the equal fixed connection in slide bar both ends in both sides around the third cavity is inside, the equal sliding connection in slide bar periphery has the apron bolt, the anterior equal fixedly connected with five evenly distributed's of apron bolt downside cuboid post, apron main part left and right sides middle part front portion all is provided with the second cavity.
As a further description of the above technical solution:
the other end of the spring is fixedly connected with a sliding plate.
As a further description of the above technical solution:
the upper end of the cover plate main body is fixedly connected with a wear-resistant layer.
As a further description of the above technical solution:
the left side and the right side of the cover plate main body are both provided with fixed sealing strips.
As a further description of the above technical solution:
the lower end of the cover plate main body is fixedly connected with a stamping rib plate.
As a further description of the above technical solution:
four ventilation holes which are uniformly distributed are formed in the middle of the cover plate main body.
As a further description of the above technical solution:
the gear is connected with a rectangular column in a meshing manner.
As a further description of the above technical solution:
the inside sliding connection of second cavity is in the outside that the gear was kept away from to the apron bolt.
The utility model has the following beneficial effects:
1. according to the novel inorganic composite material cover plate for the tunnel cable duct, firstly, the cover plate can be moved through the telescopic handle structure, the novel inorganic composite material cover plate is convenient and practical, the two cover plates can be connected with each other by rotating the knob above the cover plate, the position of the cover plate is fixed, and the stability of the cover plate in use is improved.
2. According to the novel inorganic composite material cover plate for the tunnel cable trench, the defects of easiness in damage and large weight of the traditional reinforced concrete cover plate can be overcome, the influence of construction on the environment is small, the strength is higher than that of the traditional reinforced concrete cover plate, the cost is lower than that of the traditional reinforced concrete cover plate, and the construction cost can be effectively reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of an inorganic composite material cover plate of a novel tunnel cable trench according to the present invention;
fig. 2 is a top view of an inorganic composite material cover plate of a novel tunnel cable trench according to the present invention;
FIG. 3 is a schematic view of an installation of an inorganic composite cover plate for a novel tunnel cable trench according to the present invention;
fig. 4 is a schematic structural view of a handle of the novel inorganic composite material cover plate for the tunnel cable trench provided by the utility model.
Fig. 5 is a schematic view of a three-dimensional structure of a plug of the inorganic composite material cover plate of the novel tunnel cable trench provided by the utility model.
Fig. 6 is a schematic diagram of a plane structure of a plug of the inorganic composite material cover plate of the novel tunnel cable trench according to the present invention.
Fig. 7 is an enlarged view of a portion a in fig. 4.
Illustration of the drawings:
1. a cover plate main body; 2. stamping a rib plate; 3. a cover plate handle; 4. a first fixing lever; 5. a handle fixing block; 6. a sliding plate; 7. a first cavity; 8. a limiting plate; 9. a spring; 10. a vent hole; 11. fixing a seal; 12. a wear layer; 13. a knob; 14. a second fixing bar; 15. a gear; 16. a cover plate bolt; 17. a rectangular parallelepiped column; 18. a slide bar; 19. a third cavity; 20. a second cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, one embodiment of the present invention is provided: a novel inorganic composite material cover plate for a tunnel cable trench comprises a cover plate main body 1, wherein the cover plate main body 1 is a grey cover plate, the length of the cover plate is 73-79 cm, the width of the cover plate is 49cm, the thickness of the cover plate is 2cm, the cover plate has A, B different models, the cover plate is respectively suitable for cable trenches with the widths of 65cm and 60cm due to the different sizes of the two different models, the cover plate is convenient to install and maintain and has the weight which is about one fourth of the weight of a reinforced concrete cover plate with the same area (the weight of each cover plate with the widths of 49cm and 78cm is about 18Kg), the compressive strength of the cover plate is not less than 300MPa, the flexural strength of the cover plate is not less than 40MPa, the bearing capacity of the cover plate is not less than 600 Kg under the condition of suspending 65cm, the cover plate can be freely walked by a person, the cover plate is safe and has no worry, the cover plate is produced by adopting high-quality stone materials as base materials, reinforcing fibers added by adopting top-grade raw materials and equipment pressing, can be properly ground and cut, is not easy to crack and deform, and can be used for replacing the reinforced concrete cover plate adopted in the existing tunnel construction, the cover plate is not easy to damage when being moved normally, no sharp thin sheet is generated after the cover plate is damaged under the action of larger external force, people are not easy to hurt, the service life of the cover plate is more than or equal to 50 years, the cover plate is not prefabricated, the factory production is adopted, the performance is stable, the quality is reliable, when the two cover plate main bodies 1 are spliced, air vents can be formed, air in the secondary cable trench and air outside the trench are sufficiently circulated and exchanged, the purpose of balancing the humidity of the air inside and outside the cable trench is achieved, the handle fixing blocks 5 are arranged at the front end and the rear end of the left side and the right side inside the cover plate main body 1, the first cavity 7 is arranged inside the handle fixing blocks 5, the front side and the rear side of the upper end of the first cavity 7 are fixedly connected with the limiting plates 8, the first fixing rods 4 are slidably connected inside the limiting plates 8, the springs 9 are fixedly connected on the lower sides of the limiting plates 8, one ends of the first fixing rods 4 inside the first cavity 7 are fixedly connected with the sliding plates 6, the other ends of the first fixing rods 4 are fixedly connected with the two ends of the cover plate handles 3 respectively, the inside third cavity 19 that is provided with in 1 left and right sides upper portion of apron main part, apron main part 1 left and right sides middle part upside all is provided with knob 13, the equal fixedly connected with second dead lever 14 in knob 13 lower part, the equal fixedly connected with gear 15 of 14 lower extremes of second dead lever, the equal fixed connection in the slide bar 18 both ends in the inside front and back both sides of third cavity 19, the equal sliding connection in slide bar 18 periphery has apron bolt 16, it slides around making the bolt can carry out, the anterior rectangular post 17 of five evenly distributed of the equal fixedly connected with of 16 downside of apron bolt, apron main part 1 left and right sides middle part front portion all is provided with second cavity 20.
The other end of the spring 9 is fixedly connected with a sliding plate 6, so that a first fixing rod 4 can slide in a first cavity 7 to drive a handle to freely stretch up and down, the cover plate is convenient to lift, the upper end of a cover plate main body 1 is fixedly connected with a wear-resistant layer 12, the wear degree of the integral structure of the cover plate can be reduced, the service performance of the cover plate can be prolonged, the left side and the right side of the cover plate main body 1 are respectively provided with a fixing seal 11, so that the cover plate and a cable trench can be connected and fixed, the lower end of the cover plate main body 1 is fixedly connected with a stamping rib plate 2, the lower surface of the cover plate main body is provided with a plurality of stamping transverse ribs, the integral strength of the cover plate is increased, the cover plate is prevented from bending downwards and deforming, the middle part of the cover plate main body 1 is provided with four uniformly distributed ventilation holes 10, the integral structure weight of the cover plate can be reduced while the inside and outside ventilation of the trench is carried out, a gear 15 is meshed with a rectangular column 17, so that when a knob 13 is rotated, a cover plate bolt 16 can be driven to move together, the second cavity 20 is slidably connected to the outside of the end of the cover latch 16 remote from the gear 15, so that the cover latch 16 can slide in the second cavity 20 to secure the cover in its overall configuration.
The working principle is as follows: when using this apron, can carry apron handle 3 on the apron main part 1 of carrying, the sliding plate 6 that is in this moment in first cavity 7 is by the 4 pulling of first dead lever, slide from top to bottom in first cavity 7, pull out apron handle 3, come the pulling apron whole through pulling apron handle 3, carry the installation, after apron integral erection accomplishes, can rotate knob 13 that is in apron main part 1, drive gear 15 and rotate, make apron bolt 16 can slide in third cavity 19, 15 one end of keeping away from gear 15 simultaneously can slide in the inside second cavity 20 of adjacent apron for apron 16 this moment, thereby make double-phase adjacent apron fixed, improve apron overall structure's stability.
Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a novel inorganic combined material apron of tunnel cable pit, includes apron main part (1), its characterized in that: handle fixing blocks (5) are arranged at the front end and the rear end of the left side and the right side of the inner part of the cover plate main body (1), first cavities (7) are arranged in the handle fixing blocks (5), limiting plates (8) are fixedly connected to the front side and the rear side of the upper end of each first cavity (7), first fixing rods (4) are slidably connected to the inner parts of the limiting plates (8), springs (9) are fixedly connected to the lower sides of the limiting plates (8), sliding plates (6) are fixedly connected to one ends of the first fixing rods (4) positioned in the first cavities (7), the other ends of the first fixing rods (4) are fixedly connected to the two ends of the cover plate handle (3), third cavities (19) are arranged in the upper parts of the left side and the right side of the cover plate main body (1), knobs (13) are arranged on the upper sides of the middle parts of the left side and the right side of the cover plate main body (1), and second fixing rods (14) are fixedly connected to the lower parts of the knobs (13), the utility model discloses a novel fixing device for the automobile seat cover, including third cavity (19), the equal fixedly connected with gear (15) of second dead lever (14) lower extreme, the equal fixed connection in both sides is at slide bar (18) both ends around third cavity (19) is inside, the equal sliding connection in slide bar (18) periphery has apron bolt (16), apron bolt (16) downside front portion equal fixedly connected with five evenly distributed's rectangular column (17), apron main part (1) left and right sides middle part front portion all is provided with second cavity (20).
2. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the other end of the spring (9) is fixedly connected with a sliding plate (6).
3. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the upper end of the cover plate main body (1) is fixedly connected with a wear-resistant layer (12).
4. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the left side and the right side of the cover plate main body (1) are provided with fixed sealing strips (11).
5. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the lower end of the cover plate main body (1) is fixedly connected with a stamping rib plate (2).
6. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the middle part of the cover plate main body (1) is provided with four ventilation holes (10) which are uniformly distributed.
7. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the gear (15) is in meshed connection with a rectangular column (17).
8. The novel inorganic composite material cover plate for the tunnel cable trench according to claim 1, wherein: the inner part of the second cavity (20) is connected with the outer side of one end of the cover plate bolt (16) far away from the gear (15) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122595418.XU CN216056259U (en) | 2021-10-27 | 2021-10-27 | Novel inorganic composite material cover plate for tunnel cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122595418.XU CN216056259U (en) | 2021-10-27 | 2021-10-27 | Novel inorganic composite material cover plate for tunnel cable trench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216056259U true CN216056259U (en) | 2022-03-15 |
Family
ID=80611652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122595418.XU Active CN216056259U (en) | 2021-10-27 | 2021-10-27 | Novel inorganic composite material cover plate for tunnel cable trench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216056259U (en) |
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2021
- 2021-10-27 CN CN202122595418.XU patent/CN216056259U/en active Active
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