Tunnel face centralized power distribution system

Abstract

A tunnel face centralized power distribution system comprises a bottom connecting plate, an anti-collision protection frame, a sliding assembly, a sliding rail, a splicing assembly and a lifting assembly, the anti-collision protection frame is fixedly connected to the surface of the upper end of the bottom connecting plate, a power distribution box is arranged in the anti-collision protection frame, and a mounting block is welded to the middle of the surface of the rear side of the anti-collision protection frame; a concave sliding groove piece is fixedly connected to the surface of one side of the mounting block, a sliding rail is slidably connected to the surface of the concave sliding groove piece, and a hole is formed in the rear side face of the sliding rail. According to the utility model, through the design of the sliding assembly and the splicing assembly, the system can carry out position adjustment and length expansion according to the actual requirements of tunnel construction, and the flexibility and adaptability of the system are improved.

Description

Technical Field

[0001] This utility model relates to the field of power distribution technology in tunnels, and in particular to a centralized power distribution system for tunnel face. Background Technology

[0002] The first branch of the project management department of the CZXZZG-6 section of the newly built Sichuan-Tibet Railway Ya'an to Linzhi section is located in Bomi County, Linzhi City, Tibet Autonomous Region. The construction task is the construction area of ​​the No. 3 and No. 4 inclined shafts of the Duoji Tunnel, with a maximum burial depth of 1999m.

[0003] The power distribution system at the tunnel face is crucial during tunnel construction. However, existing power distribution systems have many problems, such as inconvenient installation, lack of effective protection, difficulty in adjusting location, and unreasonable layout of distribution boxes. To improve the safety and convenience of power use in tunnel construction, a new type of centralized power distribution system for the tunnel face is needed. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a centralized power distribution system for tunnel face.

[0005] The technical solution of this utility model is:

[0006] A centralized power distribution system for a tunnel face includes:

[0007] The bottom connecting plate has an anti-collision protection frame fixedly connected to its upper surface. An electrical distribution box is installed inside the anti-collision protection frame. An installation block is welded to the middle of the rear surface of the anti-collision protection frame. A concave sliding groove is fixedly connected to one side surface of the installation block. A slide rail is slidably connected to the surface of the concave sliding groove. A hole is opened on the rear side of the slide rail. Splicing components are opened at both ends of the slide rail. Lifting components are fixedly connected to the four corners of the lower end of the bottom connecting plate.

[0008] The lifting assembly includes a support column, the top of which is fixedly connected to the bottom surface of the bottom connecting plate, and a connecting rod threadedly connected to the lower end of the support column. A support frame is rotatably mounted on the bottom end of the connecting rod.

[0009] Preferably, the splicing component includes a first splicing surface and a second splicing surface, the first splicing surface is located at the left end of the slide rail, the second splicing surface is located at the right end of the slide rail, and the first splicing surface and the second splicing surface cooperate with each other.

[0010] Preferably, the distribution box includes: a dedicated distribution box for the main machine, a secondary distribution box for the working face, a tertiary distribution box, and a switch box. The dedicated distribution box for the main machine is located at the far left of the distribution box, the secondary distribution box for the working face is located in the middle of the distribution box, the tertiary distribution box is located at the upper right of the distribution box, and the switch box is located at the lower right of the distribution box.

[0011] Preferably, a crossbar is fixedly connected to the top of the distribution box, a mounting bracket is fixedly connected to the surface of the crossbar, a connection hole is opened on the surface of the crossbar, and a cable conduit is connected through the connection hole;

[0012] A light is installed at the top of the mounting bracket, and the bottom of the light is connected to a cable conduit.

[0013] Preferably, a heat dissipation mesh is provided on the right side surface of the anti-collision protective frame.

[0014] Preferably, the top of the anti-collision protection frame is an arched portion, and the lighting lamp is located inside the arched portion of the anti-collision protection frame.

[0015] Preferably, multiple slide rails are provided.

[0016] The beneficial effects of this utility model are: compared with the prior art, the anti-collision protection frame can effectively protect equipment such as distribution boxes from collision damage, and improve the service life and safety of the equipment; the design of the sliding component and splicing component allows the system to be adjusted in position and extended in length according to the actual needs of tunnel construction, increasing the flexibility and adaptability of the system. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a front view of the present invention;

[0019] Figure 3 This is the right view of the present invention;

[0020] Figure 4 This is an overall view of the slide rail of this utility model.

[0021] Legend:

[0022] 1. Bottom connecting plate; 2. Anti-collision protection frame; 301. Mounting block; 302. Concave sliding groove component; 4. Slide rail; 5. Splicing assembly; 501. First splicing surface; 502. Second splicing surface; 6. Lifting assembly; 601. Support column; 602. Connecting rod; 7. Distribution box; 701. Large machine dedicated distribution box; 702. Working face secondary distribution box; 703. Tertiary distribution box; 704. Switch box; 8. Crossbar; 9. Mounting bracket; 10. Cable conduit; 11. Lighting lamp; 12. Heat dissipation mesh; 13. Support frame. Detailed Implementation

[0023] The utility model will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] refer to Figures 1 to 4 A centralized power distribution system for a tunnel face includes: a bottom connecting plate 1, an anti-collision protection frame 2, a sliding component, a slide rail 4, a splicing component 5, a lifting component 6, and a power distribution box 7.

[0025] The bottom connecting plate 1 is used to support the entire system. An arched anti-collision protection frame 2 is fixedly connected to its upper surface. The distribution box 7 is located inside the anti-collision protection frame 2. The anti-collision protection frame 2 is used to protect the internal distribution box 7 and other equipment from collisions.

[0026] A sliding component is welded to the center of the rear surface of the anti-collision protection frame 2; the sliding component includes a mounting block 301 and a concave sliding groove 302. The mounting block 301 is welded to the rear side of the anti-collision protection frame 2, and the concave sliding groove 302 is fixedly connected to one side surface of the mounting block 301. A slide rail 4 is slidably connected to the surface of the concave sliding groove 302. This design allows the system to slide conveniently on the slide rail 4, facilitating position adjustment. Holes are provided on the rear side of the slide rail 4 for mounting and fixing the slide rail to the wall.

[0027] The splicing component 5 includes a first splicing surface 501 located at the left end of the slide rail 4 and a second splicing surface 502 located at the right end. Multiple slide rails 4 can be spliced ​​together through the splicing component 5 to meet the sliding requirements of the centralized power distribution system at the tunnel face within the tunnel.

[0028] The lifting assembly 6 includes a support column 601, the top of which is fixedly connected to the bottom surface of the bottom connecting plate 1, and a connecting rod 602 is threadedly connected to the lower end of the support column 601. A support frame 13 is rotatably mounted on the bottom end of the connecting rod 602.

[0029] By rotating the connecting rod 602, which is threaded into the support column 601, the user can adjust the overall length of the support column 601 and the connecting rod 602, thereby achieving the lifting adjustment of the lifting assembly 6.

[0030] In use, first, place the bottom connecting plate 1 at a suitable position on the tunnel face. Then, weld the anti-collision protection frame 2 to the upper surface of the bottom connecting plate 1, ensuring a firm weld with the arched top facing upwards. Next, weld the mounting block 301 of the sliding component to the center of the rear surface of the anti-collision protection frame 2, and then fix the concave sliding groove 302 to one side surface of the mounting block 301. Install the slide rail 4 on the concave sliding groove 302 to allow it to slide smoothly, and then install the slide rail 4 on the wall using expansion bolts.

[0031] Multiple slide rails 4 are provided. As the tunnel extends during the excavation process, additional slide rails can be installed at the ends of slide rails 4. The lifting component 6 drives the support frame 13 to retract, and the tunnel face centralized power distribution system slides along the tunnel length direction, making the tunnel face centralized power distribution system easy to move.

[0032] A distribution box 7 is installed on the upper surface of the bottom connecting plate 1, and the distribution box 7 is located inside the anti-collision protection frame 2. The distribution box 7 includes a large machine dedicated distribution box 701, a working face secondary distribution box 702, a tertiary distribution box 703, and a switch box 704. The large machine dedicated distribution box 701 is located at the far left of the distribution box 7, the working face secondary distribution box 702 is located in the middle of the distribution box 7, the tertiary distribution box 703 is located at the upper right of the distribution box 7, and the switch box 704 is located at the lower right of the distribution box 7. This reasonable layout facilitates the power distribution management of different equipment.

[0033] A crossbar 8 is fixedly connected to the top of the distribution box 7. A mounting bracket 9 is fixedly connected to the surface of the crossbar 8. A connection hole is provided on the surface of the crossbar 8, through which a cable conduit 10 is connected for cable arrangement and management. A lighting lamp 11 is installed at the top of the mounting bracket 9. The lighting lamp 11 is located inside the arched part of the anti-collision protection frame 2. The bottom end of the lighting lamp 11 is connected to the cable conduit 10, providing illumination for the tunnel face. A heat dissipation mesh 12 is provided on the right side surface of the anti-collision protection frame 2 for overall heat dissipation of the distribution box 7.

[0034] Install the distribution box 7 on the upper surface of the bottom connecting plate 1, inside the anti-collision protection frame 2. Install it in the layout sequence of the large machine special distribution box 701, the working face secondary distribution box 702, the tertiary distribution box 703, and the switch box 704, ensuring that each distribution box 7 is firmly connected and the wiring is correctly connected.

[0035] A crossbar 8 is fixedly connected to the top of the distribution box 7. The mounting bracket 9 is installed on the surface of the crossbar 8, and the cable conduit 10 is passed through and connected to the connection hole on the surface of the crossbar 8. The lighting lamp 11 is installed on the top of the mounting bracket 9, and its bottom end is connected to the cable conduit 10 to ensure that the lighting circuit is properly connected.

[0036] Finally, a heat dissipation mesh 12 is opened on the right side surface of the anti-collision protection frame 2 to ensure good heat dissipation.

[0037] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A centralized power distribution system for a tunnel face, characterized in that, include: Bottom connecting plate (1), the upper surface of the bottom connecting plate (1) is fixedly connected to an anti-collision protection frame (2), the inside of the anti-collision protection frame (2) is provided with an electrical distribution box (7), the middle of the rear surface of the anti-collision protection frame (2) is welded with an installation block (301), one side surface of the installation block (301) is fixedly connected to a concave sliding groove (302), the surface of the concave sliding groove (302) is slidably connected to a slide rail (4), the rear side of the slide rail (4) is provided with a hole, the two ends of the slide rail (4) are provided with splicing components (5), and the four corners of the lower end of the bottom connecting plate (1) are fixedly connected to lifting components (6). The lifting assembly (6) includes a support column (601), the top of which is fixedly connected to the bottom surface of the bottom connecting plate (1), and the lower end of the support column (601) is threadedly connected to a connecting rod (602), and the bottom end of the connecting rod (602) is rotatably mounted with a support frame (13).

2. The centralized power distribution system at the tunnel face according to claim 1, characterized in that, The splicing component (5) includes a first splicing surface (501) and a second splicing surface (502). The first splicing surface is located at the left end of the slide rail (4), and the second splicing surface is located at the right end of the slide rail (4). The first splicing surface (501) and the second splicing surface (502) cooperate with each other.

3. The centralized power distribution system at the tunnel face according to claim 1, characterized in that, The distribution box (7) includes: a large machine dedicated distribution box (701), a working face secondary distribution box (702), a tertiary distribution box (703), and a switch box (704). The large machine dedicated distribution box (701) is located at the leftmost end of the distribution box (7), the working face secondary distribution box (702) is located in the middle of the distribution box (7), the tertiary distribution box (703) is located at the upper right end of the distribution box (7), and the switch box (704) is located at the lower right end of the distribution box (7).

4. The centralized power distribution system at the tunnel face according to claim 1, characterized in that, The top of the distribution box (7) is fixedly connected to a crossbar (8), and a mounting bracket (9) is fixedly connected to the surface of the crossbar (8). A connection hole is opened on the surface of the crossbar (8), and a cable conduit (10) is connected through the inside of the connection hole. The top of the mounting bracket (9) is equipped with a lighting lamp (11), and the bottom of the lighting lamp (11) is connected to the cable conduit (10).

5. The centralized power distribution system at the tunnel face according to claim 1, characterized in that, The right side surface of the anti-collision protective frame (2) is provided with a heat dissipation mesh (12).

6. The centralized power distribution system at the tunnel face according to claim 4, characterized in that, The top of the anti-collision protection frame (2) is an arched part, and the lighting lamp (11) is located inside the arched part of the anti-collision protection frame (2).

7. The centralized power distribution system at the tunnel face according to claim 1, characterized in that, The slide rail (4) is provided in multiple ways.

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