CN216699459U - Cable landing channel laid along with highway concrete bridge box culvert - Google Patents
Cable landing channel laid along with highway concrete bridge box culvert Download PDFInfo
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- CN216699459U CN216699459U CN202122963279.1U CN202122963279U CN216699459U CN 216699459 U CN216699459 U CN 216699459U CN 202122963279 U CN202122963279 U CN 202122963279U CN 216699459 U CN216699459 U CN 216699459U
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Abstract
The utility model relates to the technical field of electric power engineering construction, and discloses a cable landing channel laid along with a concrete bridge box culvert of a highway, which comprises a highway boundary line, wherein the inner side of the highway boundary line is provided with the highway, a leading tunnel internally provided with a cable is arranged in the highway, the outer side of the highway boundary line is provided with a bridge abutment back wall, a bridge abutment side wall and the concrete bridge box culvert, the cable tunnel with two open ends is connected to the leading tunnel, one end of the cable tunnel is communicated with the leading tunnel, the other end of the cable tunnel is connected to the wall of the abutment side wall, a wire passing hole is formed in the wall of the abutment side wall, a wire inlet hole is formed in the wall, close to the abutment side wall, of the bridge concrete box culvert, the arrangement of the wire passing hole and the wire inlet hole is matched with the position, connected to the end part of the abutment side wall, of the cable tunnel, and the cable in the cable tunnel can enter the bridge concrete box culvert through the wire inlet hole and the wire inlet hole; the utility model has the characteristics of no need of opening holes on the bridge and high overall engineering safety.
Description
Technical Field
The utility model relates to the technical field of electric power engineering construction, in particular to a cable landing channel laid along with a box culvert of a road concrete bridge.
Background
Along with the continuous increase of urban cable engineering construction, more and more high-voltage power cables are laid along with bridges, before cables are laid on a bridge, the cables are laid in cable structures on two sides of the bridge and under the ground, the cable is laid on the bridge and the influence of height difference between an underground channel and a channel on the bridge needs to be overcome, but at present, the cables are laid on the outer side of a box culvert of the bridge and below a flange plate, so that the cables are usually laid in a way of being led up from the bridge bottom from two ends of the bridge head, and the cables can be laid on the bridge by adopting measures such as arc-shaped steel plates and the like.
At present, a utility model patent with a publication number of CN 210529471U granted to chinese patent discloses an urban rail transit cable overpass pack pier, which comprises a vertical pier, a cross beam and a concrete cushion plate, wherein the vertical pier is connected with one of the piers through a plurality of the cross beams, and the vertical pier and the pier are connected through the same bearing platform; the vertical pier, the concrete cushion plate and the pier are integrally formed; the vertical pier is provided with a broken joint, and the broken joint is filled with a wood board; a door opening is arranged on the vertical pier, and an access door is arranged at the door opening; the vertical pier is provided with a cable hole; an embedded part is arranged on the vertical pier. The outer-wrapped pier is newly arranged beside the original bridge pier of the bridge and is connected with the original bridge pier through the same bearing platform, the original bridge pier of the bridge is connected with the original bearing platform for connection, the outer-wrapped pier can be constructed through on-site pouring construction, the construction period can be effectively shortened, and the bridge can be reinforced; in addition, the embedded part is further arranged when the vertical pier is poured, so that the installation is convenient and rapid when the cable is installed in the later period, and the installation time can be effectively shortened.
The utility model discloses a utility model patent with Chinese patent grant publication No. CN210529486U discloses a cable upper bridge structure, including cable upper bridge steelframe and power duct, the cable upper bridge steelframe includes pier installation steelframe, box girder installation steelframe and guardrail installation steelframe, pier installation steelframe is installed on one of the piers of bridge through chemical bolts, pier installation steelframe and this pier are accepted through the same cushion cap, box girder installation steelframe is installed on the box girder of bridge through chemical bolts, guardrail installation steelframe is installed on the guardrail of bridge through chemical bolts; the lower end of the box girder mounting steel frame is inserted into the upper end of the pier mounting steel frame, and the lower end of the box girder mounting steel frame can move relative to the upper end of the pier mounting steel frame; the power pipe trench is arranged on the foundation. The cable is guided to the lower portion of the bridge pier through the power pipe trench, the bridge pier is used as a bearing carrier, the bridge pier mounting steel frame is arranged on the side face of the bridge pier, the cable enters the bridge through the bridge pier mounting steel frame, and the cable is completed to be bridged.
Both of the two patents propose a method for climbing a cable from the ground to the ground of a bridge, but the method for entering the cable into a bridge box culvert from an underground passage cannot be solved, and when the cable is laid in the bridge box culvert along with the bridge, holes need to be formed in the side wall of the bridge, so that the safety of the bridge structure is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a cable landing channel laid along with a box culvert of a concrete bridge of a highway.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a cable landing passageway along with highway concrete bridge box culvert lays, includes highway boundary line, and the inboard of highway boundary line is equipped with the highway, is equipped with the access tunnel of internally mounted cable in the highway, and the outside of highway boundary line is equipped with abutment back wall, abutment side wall and bridge concrete box culvert, connect the cable tunnel that both ends are open setting on the access tunnel, cable tunnel one end is the intercommunication setting with the access tunnel, and the other end connects on the wall of abutment side wall, has seted up the line hole on the wall of abutment side wall, has seted up the entrance hole on the wall of abutment side wall is pressed close to bridge concrete box culvert, and the setting of crossing line hole and entrance hole suits with the position that cable tunnel connects in abutment side wall tip, satisfies in the cable tunnel cable can pass through line hole and entrance hole entering bridge concrete box culvert.
Preferably, the highway includes highway subgrade and locates the highway subgrade layer of highway subgrade top, draws and connects the tunnel to locate in the highway subgrade layer, and the one end of cable tunnel is connected with drawing and connecting the tunnel through penetrating in the highway subgrade layer from the lateral wall of highway subgrade layer.
Preferably, the cable tunnel located outside the highway boundary line is provided with an upper manhole and an exhaust hole at a position close to the highway boundary line.
Preferably, a tunnel intermediate wall is arranged at a position where the cable tunnel is connected with the lead-in tunnel.
Preferably, cable supports for installing cables are arranged in the leading tunnel, the cable tunnel and the bridge concrete box culvert.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, the cable tunnel is arranged, and the leading tunnel is connected with the bridge concrete box culvert through the cable tunnel, so that the cable can be directly transited into the bridge concrete box culvert from the abutment and the highway roadbed layer thereof, the problem of large-altitude-difference laying of the cable is avoided, and the problem that holes need to be formed in the side wall or the bottom of the bridge box culvert after the large-altitude-difference laying is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the leading tunnel penetrating into the roadbed layer of the highway according to the present invention.
Reference numerals: 1. a highway boundary line; 2. a highway; 3. leading the tunnel; 4. abutment back walls; 5. abutment side walls; 6. bridge concrete box culvert; 7. a cable tunnel; 8. a wire passing hole; 9. a wire inlet hole; 10. a highway subgrade layer; 11. a highway pavement layer; 12. an upper manhole; 13. an air exhaust hole; 14. a tunnel mid-partition; 15. a cable support.
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.
Example (b): referring to fig. 1 to 3, the present embodiment provides a cable landing channel laid along with a concrete box culvert for a highway, including a highway boundary line 1, a highway 2 is provided at an inner side of the highway boundary line 1, the highway 2 includes a highway base layer 10 and a highway surface layer 11 provided above the highway base layer 10, a lead tunnel 3 with cables installed therein is provided in the highway base layer 10, the lead tunnel 3 is pre-buried in the highway base layer 10 when the highway base layer 10 is constructed, an abutment back wall 4, an abutment side wall 5 and a concrete box culvert 6 are provided at an outer side of the highway boundary line 1, the abutment back wall 4 and the abutment side wall 5 form an L-shaped structure and are provided at the outer side of the highway boundary line 1, the abutment back wall 4 and the side wall of the highway base layer 10 are in a fitting arrangement, the concrete box culvert 6 is provided at a right side of the abutment side wall 5, the lead tunnel 3 is connected with a cable tunnel 7 with two open ends, the cable tunnel 7 is arranged on the left side of the abutment side wall 5, a tunnel portal at one end of the cable tunnel 7 is communicated with the lead-in tunnel 3 after penetrating into the highway base layer 10 through the side wall of the highway base layer 10, a tunnel portal at the other end is connected to the wall of the abutment side wall 5, a wire through hole 8 is formed in the wall of the abutment side wall 5, a wire inlet hole 9 is formed in the wall of the bridge concrete box culvert 6 close to the abutment side wall 5, the arrangement of the wire through hole 8 and the wire inlet hole 9 is matched with the position of the cable tunnel 7 connected to the end part of the abutment side wall 5, and the requirement that a cable in the cable tunnel 7 can enter the bridge concrete box culvert 6 through the wire inlet hole 8 and the wire inlet hole 9 is met; through the aforesaid setting, from leading the cable that stretches out in the tunnel 3 through cable tunnel 7 in proper order, cross in can directly getting into bridge concrete box culvert 6 behind line hole 8 and the entrance hole 9, the problem of cable big difference laying has been avoided, also avoided big difference to lay the problem that the back needs to follow 6 lateral walls of bridge concrete box culvert or bottom trompil, and, the cable directly gets into in cable tunnel 7 from the part that stretches out in the leading tunnel 3, receive cable tunnel 7 protection, do not directly expose under external environment, the erosion to the cable that leads to has been avoided the wind-blowing sun, the service life of cable has been improved.
An upper manhole 12 and an air exhaust hole 13 are formed in the position, close to the highway boundary line 1, of the cable tunnel 7 located on the outer side of the highway boundary line 1, the upper manhole 12 is used for enabling an operator to enter the cable tunnel 7 to conduct work such as maintenance and repair on cables, and the air exhaust hole 13 is used for meeting the requirements of ventilation, heat dissipation and fire fighting of the cable tunnel 7.
The tunnel intermediate wall 14 is arranged at the position where the cable tunnel 7 is connected with the leading tunnel 3, and the arrangement of the tunnel intermediate wall 14 can enhance the structural strength of the connecting position of the cable tunnel 7 and the leading tunnel 3, so that the phenomenon of collapse is difficult to occur at the connecting position of the cable tunnel 7 and the leading tunnel 3.
Draw and all be equipped with the cable support 15 that is used for installing the cable in connecting tunnel 3, cable tunnel 7 and bridge concrete box culvert 6, the setting up of cable support 15 is convenient for the staff and installs the cable in drawing connecting tunnel 3, cable tunnel 7 and bridge concrete box culvert 6.
The construction steps of the utility model are as follows: pouring a bridge abutment back wall 4, a bridge abutment side wall 5 and a bridge concrete box culvert 6, reserving a line passing hole 8 and a line entering hole 9 in the pouring process of the bridge abutment side wall 5 and the bridge concrete box culvert 6, then performing bridge abutment construction, burying the bridge abutment back wall 4 and the bridge abutment side wall 5 in an adaptive position, backfilling foundation soil, hoisting the bridge concrete box culvert 6 to the appropriate position, then performing construction of a cable tunnel 7, respectively connecting two ends of the cable tunnel 7 with a lead-in tunnel 3 and the bridge abutment side wall 5, then leading out a cable from the interior of the lead-in tunnel 3, and enabling the cable to enter the bridge concrete box culvert 6 through the cable tunnel 7, the line passing hole 8 and the line entering hole 9.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.
Claims (5)
1. The utility model provides a cable landing passageway along with laying of highway concrete bridge box culvert, includes highway boundary line (1), and the inboard of highway boundary line (1) is equipped with highway (2), is equipped with leading of internally mounted having the cable in highway (2) and connects tunnel (3), and the outside of highway boundary line (1) is equipped with abutment back wall (4), abutment side wall (5) and bridge concrete box culvert (6), its characterized in that: it is cable tunnel (7) that open setting is in both ends to connect on lead connection tunnel (3), cable tunnel (7) one end is the intercommunication setting with lead connection tunnel (3), another termination is on the wall of abutment side wall (5), cross line hole (8) have been seted up on the wall of abutment side wall (5), entrance hole (9) have been seted up on the wall that abutment side wall (5) are pressed close to in bridge concrete box culvert (6), cross setting up of line hole (8) and entrance hole (9) and cable tunnel (7) and connect in the position of abutment side wall (5) tip and suit, satisfy cable in cable tunnel (7) can get into in bridge concrete box culvert (6) through line hole (8) and entrance hole (9).
2. The cable landing passage laid along with a box culvert of a road concrete bridge according to claim 1, wherein: highway (2) include highway subgrade (10) and locate highway subgrade (11) of highway subgrade (10) top, draw and connect in tunnel (3) locate highway subgrade (10), the one end of cable tunnel (7) is connected with drawing and connect tunnel (3) in the back in penetrating highway subgrade (10) through the lateral wall from highway subgrade (10).
3. The cable landing passage laid along with a box culvert of a road concrete bridge according to claim 2, wherein: an upper manhole (12) and an exhaust hole (13) are arranged at the position, close to the highway boundary line (1), of the cable tunnel (7) positioned on the outer side of the highway boundary line (1).
4. The cable landing passage laid along with a box culvert of a road concrete bridge according to claim 1, wherein: and a tunnel intermediate wall (14) is arranged at the position where the cable tunnel (7) is connected with the leading tunnel (3).
5. The cable landing passage laid along with a box culvert of a road concrete bridge according to claim 1, wherein: and cable supports (15) used for installing cables are arranged in the leading tunnel (3), the cable tunnel (7) and the bridge concrete box culvert (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963279.1U CN216699459U (en) | 2021-11-29 | 2021-11-29 | Cable landing channel laid along with highway concrete bridge box culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122963279.1U CN216699459U (en) | 2021-11-29 | 2021-11-29 | Cable landing channel laid along with highway concrete bridge box culvert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216699459U true CN216699459U (en) | 2022-06-07 |
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ID=81836801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122963279.1U Active CN216699459U (en) | 2021-11-29 | 2021-11-29 | Cable landing channel laid along with highway concrete bridge box culvert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216699459U (en) |
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2021
- 2021-11-29 CN CN202122963279.1U patent/CN216699459U/en active Active
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