CN215645936U - Leakage cable laying protection device - Google Patents
Leakage cable laying protection device Download PDFInfo
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- CN215645936U CN215645936U CN202121360139.9U CN202121360139U CN215645936U CN 215645936 U CN215645936 U CN 215645936U CN 202121360139 U CN202121360139 U CN 202121360139U CN 215645936 U CN215645936 U CN 215645936U
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- base
- protection device
- leaky cable
- plate
- leaky
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Abstract
The utility model provides a leaky cable laying protection device, which comprises a shield shell, a protection cover and a protection cover, wherein the shield shell is used for covering and protecting a leaky cable laid; the lifting base is arranged at the joint of two adjacent shield shells and is detachably connected with the shield shells; the connecting piece is detachably arranged on the lifting base and covers the joint of the two adjacent shield shells; the leaky cable clamp is fixedly arranged on the lifting base and positioned between two adjacent shield shells; and an expansion fastener for fixedly mounting the lifting base; the current situation that the urban rail laying leaky cable needs to be reliably fixed and effectively protected is improved.
Description
Technical Field
The utility model relates to the technical field of track leaky cable laying protection, in particular to a leaky cable laying protection device.
Background
With the rapid development of national economy in China, cities of various provinces in China are engaged in vigorous development and construction of urban rail transit, and the rapid development of urban rail transit makes more and more applications put higher requirements on wireless communication systems. Urban rail transit wireless communication systems are divided into private wireless communication systems and public wireless communication systems. The special wireless communication system comprises a wireless dispatching communication system, a train control information vehicle-ground wireless transmission system, a mobile television system, a public security wireless, fire-fighting wireless emergency communication system, a mobile television system, a passenger taking guide information system and the like. The public wireless communication system comprises 2G, 3G, WIFI and 4G wireless signals of three operators of China Mobile, Unicom and telecom, etc. The propagation characteristics of radio waves in a tunnel in an urban rail transit wireless communication system are different from the ground free space propagation characteristics. In the tunnel, on one hand, when the tunnel is bent more, the direct electric wave radiated by the directional antenna is difficult to propagate; on the other hand, the absorption loss and the multipath effect in the tunnel can cause the polarization disorder of the radio wave, and the propagation loss is increased. Therefore, the leaky cable is the best choice for realizing the wireless signal coverage of the radio waves in the urban rail transit field.
When the leaky cable is laid in the tunnel of the wireless communication system of the urban rail transit at present, the leaky cable is supported and installed mainly in a mode that a leaky cable fixture is installed on the wall of the tunnel, the installation height of the leaky cable fixture is different in different wireless communication systems, generally speaking, the installation height is about 1.5-5.0 m away from the rail surface, and the vertical distance between every two adjacent leaky cables is larger than 50cm, so that mutual interference between the leaky cables is avoided.
In urban rail transit, in order to satisfy the requirement of stable signals in a moving car in a public wireless communication system, a leaky cable is generally laid beside a rail along the running direction of a train, so that the distance for collecting and receiving signals in the car is shortened.
However, vibration and impact load generated during the operation of the train have influence on the leaky cable and the fixing system, and the leaky cable is placed beside the track in an open manner and is stepped or crushed, so that the leaky cable needs to be fixed and protected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a leaky cable laying protection device, which solves the problem that leaky cables need to be reliably fixed and effectively protected when laid on urban rails.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a leaky cable laying protection device comprising:
a shield case for covering the leakage cable laid for protection;
the lifting base is arranged at the joint of two adjacent shield shells and is detachably connected with the shield shells;
the connecting piece is detachably arranged on the lifting base and covers the joint of the two adjacent shield shells;
the leaky cable clamp is fixedly arranged on the lifting base and positioned between two adjacent shield shells; and
and the expansion fastener is used for fixedly mounting the lifting base.
Preferably, the lifting base comprises an upper base part and a lower base part, and the lower base part is in sliding fit with the upper base part;
an adjusting fastener is arranged between the lower part of the base and the upper part of the base;
the lower part of the base is connected with and provided with the expansion fastener.
Preferably, the upper part of the base comprises a plate body, and a first folded plate and a second folded plate which are formed by downward stamping are arranged on the plate body;
two side edges of the first folded plate and two side edges of the second folded plate are oppositely bent to form sliding parts;
rectangular holes for mounting the adjusting fasteners are formed in the first folded plate and the second folded plate;
the plate body is further provided with mounting holes for mounting and connecting the shield shell and the connecting piece.
Preferably, the lower part of the base comprises a bottom plate and two side plates which are respectively fixedly connected to two ends of the bottom plate and extend upwards;
two side edges of the two side plates are oppositely bent to form a sliding cavity in sliding fit with the sliding part;
two all seted up the bar hole on the curb plate.
Preferably, four side edges of the plate body are bent downwards to form side edge plates;
the plate body is provided with a reinforcing rib which is downward convex and is positioned at the inner side of the bent edge, and the reinforcing rib is of an annular structure.
Preferably, the shield shell comprises a cover shell with an inverted U-shaped structure, and a support plate fixedly connected to the edge of the cover shell and extending outwards.
Preferably, the shield shell is of an SMC (sheet molding compound) integrally molded structure.
Preferably, the connecting piece comprises an arc-shaped top plate and connecting plates which are fixedly connected to two sides of the arc-shaped top plate and extend downwards;
the lower ends of the two connecting plates are fixedly connected with inclined plates which extend obliquely in opposite directions;
the lower ends of the two inclined plates are fixedly connected with connecting parts of L-shaped structures.
Preferably, the connecting piece is of an SMC (sheet molding compound) integrally molded structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the leaky cable is laid beside the track, the leaky cable is fixed on the track pavement through the lifting base through the expansion fastener, and the leaky cable clamp is arranged on the lifting base to clamp and fix the leaky cable; the plurality of shield shells laid along the line are fixedly connected by taking the lifting base as a supporting point, so that the leaky cable is covered and protected by the shield shells;
2. the leaky cable and the shield shell which are laid along the line can be positioned on the same reference horizontal line through the height adjusting function of the lifting base, so that stable and reliable clamping of the leaky cable is ensured;
3. after two adjacent guard shield casings of installation on the lift base, can lead to leaking the cable fixture and expose, spill the part through the connecting piece to the clearance and cover, protect whole along the line, avoid receiving the condition of external force destruction.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the elevating base;
FIG. 3 is a bottom view of the upper portion of the base;
FIG. 4 is a perspective view of the upper portion of the base;
FIG. 5 is a schematic view of the structure of the lower portion of the base;
FIG. 6 is a cross-sectional schematic view of the shroud housing;
FIG. 7 is a schematic cross-sectional view of a connector;
in the figure, the shield case 1, the cover 11, the support plate 12, the lifting base 2, the base upper part 21, the plate body 211, the first folding plate 212, the second folding plate 213, the sliding part 214, the rectangular hole 215, the mounting hole 216, the side edge plate 217, the reinforcing rib 218, the base lower part 22, the bottom plate 221, the side plate 222, the sliding cavity 223, the strip-shaped hole 224, the adjusting fastener 23, the connecting piece 3, the arc-shaped top plate 31, the connecting plate 32, the inclined plate 33, the connecting part 34, the leaky cable clamp 4 and the expansion fastener 5.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1, the embodiment of the present invention proposes a leaky cable laying protection device, which includes a shield case 1 for mainly covering a leaky cable laid for protection; the lifting base 2 is arranged at the joint of the two adjacent shield shells 1 and is detachably connected with the shield shells 1, when the two adjacent shield shells 1 are connected and installed on the lifting base 2, the lifting base 2 is supported, and the lifting base 2 is fixed on the rail ground through expansion fasteners 5; two adjacent guard shield casings 1 are installed on lift base 2 after, and hourglass cable fixture 4 is installed to middle spaced position, and it is fixed to carry out reliable centre gripping through hourglass cable fixture 4 to the hourglass cable that passes, consequently, there is the clearance space that exposes hourglass cable fixture 4 between two adjacent guard shield casings 1, in order to cover the protection to this clearance space, still can dismantle on lift base 2 and install connecting piece 3, protect the clearance space through connecting piece 3.
As shown in fig. 2, the lifting base 2 includes a base upper portion 21 and a base lower portion 22, the base upper portion 21 and the base lower portion 22 are slidably engaged with each other, an adjusting fastener 23 is further provided between the base lower portion 22 and the base upper portion 21, the relative sliding height is locked by the adjusting fastener 23, and the expansion fastener 5 is connected and installed to the base lower portion 22, so that the relative sliding between the base upper portion 21 and the base lower portion 22 can be realized after the whole position of the lifting base 2 is installed and fixed.
As shown in fig. 3 and 4, the upper base portion 21 includes a plate 211, a first folded plate 212 and a second folded plate 213 formed by downward stamping are disposed on the plate 211, and two sides of the first folded plate 212 and two sides of the second folded plate 213 are bent oppositely to form a sliding portion 214; in order to cooperate with the adjusting fastener 23 to mount and play a role in limiting, rectangular holes 215 for mounting the adjusting fastener 23 are formed in the first folding plate 212 and the second folding plate 213, the adjusting fastener 23 is matched by adopting bolts and nuts, and the rectangular holes 215 play a role in stopping the threads; meanwhile, the plate body 211 is further provided with mounting holes 216 for mounting and connecting the shroud housing 1 and the connecting piece 3, and the mounting holes are usually connected by bolts and nuts.
In order to make the structure of the whole plate body 211 more stable, the four side edges of the plate body 211 are bent downwards to form side edge plates 217, so that the edge position of the whole plate body 211 can be more stable; meanwhile, the plate body 211 is provided with a reinforcing rib 218 which protrudes downwards and is positioned at the inner side of the bent edge, and the reinforcing rib 218 is in an annular structure, so that the structural strength of the whole plate body 211 is higher.
In this embodiment, the entire upper base portion 21 is a sheet metal stamping.
As shown in fig. 5, the base lower portion 22 includes a bottom plate 221 and two side plates 222 respectively fixed to two ends of the bottom plate 221 and extending upward, two sides of the two side plates 222 are bent toward each other to form a sliding cavity 223 slidably engaged with the sliding portion 214, so that the entire base upper portion 21 can be adjusted in relative height by engaging the sliding portion 214 with the sliding cavity 223; in order to adapt to the limitation of the height range in the height adjustment, strip-shaped holes 224 are formed in the two side plates 222; in this embodiment, the entire base lower portion 22 is a sheet metal stamping.
As shown in fig. 6, the shroud housing 1 includes a casing 11 of an inverted "U" shape, and a support plate 12 fixed to the edge of the casing 11 and extending outward, and the entire shroud housing 1 is an SMC molded integral structure.
As shown in fig. 7, the connecting member 3 includes an arc top plate 31 and connecting plates 32 fixedly connected to two sides of the arc top plate 31 and extending downward, the lower ends of the two connecting plates 32 are fixedly connected to inclined plates 33 extending obliquely in opposite directions, meanwhile, the lower ends of the two inclined plates 33 are fixedly connected to connecting portions 34 of an "L" shape, and the whole connecting member 3 is of an SMC molding integral structure.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A leaky cable laying protection device is characterized by comprising:
a shield case (1) for covering the leakage cable laid for protection;
the lifting base (2) is arranged at the joint of two adjacent shield shells (1) and is detachably connected with the shield shells (1);
the connecting piece (3) is detachably arranged on the lifting base (2) and covers the joint of two adjacent shield shells (1);
the leaky cable clamp (4) is fixedly arranged on the lifting base (2) and is positioned between two adjacent shield shells (1); and
and the expansion fastener (5) is used for fixedly mounting the lifting base (2).
2. A leaky cabling protection device as claimed in claim 1, wherein said lifting base (2) comprises an upper base portion (21) and a lower base portion (22), said lower base portion (22) being slidably engaged with said upper base portion (21);
an adjusting fastener (23) is arranged between the lower part (22) of the base and the upper part (21) of the base;
the lower part (22) of the base is connected with and provided with the expansion fastener (5).
3. A leaky cable laying protection device as claimed in claim 2, wherein said base upper portion (21) comprises a plate body (211), said plate body (211) being provided with a first flap (212) and a second flap (213) which are punched downward;
two side edges of the first folded plate (212) and two side edges of the second folded plate (213) are oppositely bent to form sliding parts (214);
the first folded plate (212) and the second folded plate (213) are respectively provided with a rectangular hole (215) for installing the adjusting fastener (23);
the plate body (211) is further provided with a mounting hole (216) for mounting and connecting the shield shell (1) and the connecting piece (3).
4. A leaky cable laying protection device as claimed in claim 3, wherein said base lower portion (22) includes a bottom plate (221) and two side plates (222) fixed to both ends of said bottom plate (221) and extending upward;
two side edges of the two side plates (222) are oppositely bent to form a sliding cavity (223) in sliding fit with the sliding part (214);
two side plates (222) are provided with strip-shaped holes (224).
5. A leaky cable laying protection device as claimed in claim 3, wherein said plate body (211) is bent downward at four sides to form side edge plates (217);
the plate body (211) is provided with a reinforcing rib (218) which protrudes downwards and is positioned on the inner side of the bent edge, and the reinforcing rib (218) is of an annular structure.
6. A leaky cable installation protection device as claimed in any one of claims 1 to 5, wherein said shield casing (1) comprises a cover (11) of an inverted "U" shaped configuration, and a support plate (12) affixed to an edge of said cover (11) and extending outwardly therefrom.
7. A leaky cabling protection device as claimed in claim 6, wherein said casing (1) is of SMC moulded one-piece construction.
8. A leaky cable laying protection device as claimed in any one of claims 1 to 5, wherein said connecting member (3) comprises an arc-shaped top plate (31) and connecting plates (32) fixed on both sides of the arc-shaped top plate (31) and extending downward;
the lower ends of the two connecting plates (32) are fixedly connected with inclined plates (33) which extend obliquely in opposite directions;
the lower ends of the two inclined plates (33) are fixedly connected with connecting parts (34) with L-shaped structures.
9. A leaky cabling protection device as claimed in claim 8, characterized in that said connecting member (3) is of SMC moulded one-piece construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360139.9U CN215645936U (en) | 2021-06-18 | 2021-06-18 | Leakage cable laying protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121360139.9U CN215645936U (en) | 2021-06-18 | 2021-06-18 | Leakage cable laying protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215645936U true CN215645936U (en) | 2022-01-25 |
Family
ID=79943881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121360139.9U Active CN215645936U (en) | 2021-06-18 | 2021-06-18 | Leakage cable laying protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215645936U (en) |
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2021
- 2021-06-18 CN CN202121360139.9U patent/CN215645936U/en active Active
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