Tunneling within armored fiber optic assisted laying vehicle

Abstract

The application provides a tunnel armored optical fiber auxiliary laying vehicle, and belongs to the field of optical fiber construction equipment manufacturing; the application comprises a vehicle frame, an optical fiber disc fixing seat and two telescopic mechanical arms; the bottom of the vehicle frame is provided with a caterpillar wheel; the optical fiber disc fixing seat is installed on the top of the vehicle frame; an optical fiber disc is installed on the optical fiber disc fixing seat, and the optical fiber disc has wound optical fiber; the two telescopic mechanical arms each have a fixed end and a free end; the fixed end is fixed on the vehicle frame; one of the free ends is sequentially provided with a guide wheel, a nail gun and a cam tensioning device, and the other free end is provided with a wire guide wheel; the optical fiber is in contact with the wire guide wheel through the guide wheel, the nail gun and the cam tensioning device; the cam tensioning device comprises a wheel frame and a cam that can rotate on the wheel frame; the cam is a rough-surface rubber wheel; the wire guide wheel is provided with a circular-arc groove, and the wire guide wheel is in contact with the optical fiber through the groove. The application realizes automatic laying of the optical fiber by pressing the extracted optical fiber against the wall and fixing the position of the optical fiber by means of the wire guide wheel and the nail gun during the forming process.

Description

Technical Field

[0001] This invention relates to the manufacturing technology of optical fiber laying devices, and more particularly to an armored optical fiber auxiliary laying vehicle in a tunnel, belonging to the field of optical fiber construction equipment manufacturing technology. Background Technology

[0002] Currently, the primary construction method for subway tunnels is full-face tunnel boring machine (FMT) construction. Using FMTs for subway tunnel construction offers advantages such as safety, high efficiency, and minimal impact on surface traffic. With continuous improvement in construction technology, its development towards informatization and intelligentization is an inevitable trend. Because the project is underground, wireless signal coverage is limited. Therefore, video monitoring, communication, and data transmission during FMT construction are all handled by fiber optic cables. Consequently, the fiber optic cables need to be continuously laid and extended forward along with the construction of the FMT.

[0003] Laying optical fibers within existing tunnels presents significant challenges in current technologies. Due to ongoing construction work on the tunnel surface, the fibers are typically laid on the tunnel walls. However, armored optical fibers are very heavy, making them difficult to handle manually. Furthermore, the steel wires inside the armored fibers are prone to tangling and damage. Additionally, manual fixing of the fibers is not only slow but also inefficient. Summary of the Invention

[0004] This invention provides a novel armored fiber optic assisted laying vehicle in tunnels, which continuously forms on the optical fiber through guide wheels, thereby enabling the use of a nail gun to fix the end of the optical fiber, thus solving the technical problem that the laying of optical fiber on tunnel walls cannot be automated in the prior art.

[0005] The tunnel armored fiber optic assisted laying vehicle of this invention includes: a frame, a fiber optic reel fixing seat, and two telescopic robotic arms; the bottom of the frame is provided with tracked wheels; the fiber optic reel fixing seat is installed on the top of the frame; the fiber optic reel fixing seat is equipped with a fiber optic reel having wound optical fibers;

[0006] Both of the telescopic robotic arms have a fixed end and a free end; the fixed end is fixed to the frame; one of the free ends is sequentially provided with a guide wheel, a nail gun and a cam tensioning device, and the other free end is provided with a guide wheel; the optical fiber passes through the guide wheel, the nail gun and the cam tensioning device and contacts the guide wheel;

[0007] The cam tensioning device includes: a wheel frame and a cam that can rotate on the wheel frame; the cam is a rubber wheel with a rough surface;

[0008] The guide wheel is provided with an arc-shaped groove, through which the guide wheel contacts the optical fiber.

[0009] As described above, in the tunnel armored fiber optic assisted laying vehicle, each of the telescopic robotic arms includes: a vertical telescopic arm and a horizontal telescopic arm; the vertical telescopic arm is vertically fixed to the top surface of the vehicle frame; the horizontal telescopic arm has an installation end and a functional end; the horizontal telescopic arm is vertically fixed to the top of the vertical telescopic arm through the installation end, and a fixing panel is provided on the functional end;

[0010] The guide wheel, the nail gun, and the cam tensioning device are all mounted on the fixed panel.

[0011] In the tunnel armored fiber optic assisted laying vehicle described above, the fixed panel is rotatably mounted on the functional end; the cam is mounted on the fixed panel via the wheel frame.

[0012] As described above, in the tunnel armored fiber optic assisted laying vehicle, the nail gun is a pneumatic nail gun equipped with an electrically controlled air valve; at least one limit switch is provided on the wheel frame, and the rotation of the cam can contact the limit switch; the limit switch is electrically connected to the electrically controlled air valve.

[0013] As described above, in the tunnel armored fiber optic assisted laying vehicle, one of the free ends is also provided with two spring rods, which are located on the upper and lower sides of the guide wheel, respectively.

[0014] One end of each spring rod is fixed to the free end, and the other end is equipped with a retractable contact wheel.

[0015] The armored fiber optic cable assisted laying vehicle in the tunnel as described above, wherein the two telescopic robotic arms include: an installation robotic arm and a wire guide robotic arm; the wire guide wheel is mounted on the wire guide robotic arm; the guide wheel and the nail gun are mounted on the installation robotic arm;

[0016] The installation robotic arm is equipped with a guide groove for the optical fiber to pass through.

[0017] The armored fiber optic cable laying vehicle in the tunnel as described above has at least one steering wheel on the guide groove; the optical fiber contacts the installation robotic arm through the steering wheel.

[0018] The armored fiber optic assisted laying vehicle in the tunnel, as described above, is equipped with a fiber optic fusion splicer on the installation robotic arm.

[0019] The armored fiber optic assisted laying vehicle in the tunnel as described above has a battery installed at the bottom of the vehicle frame; the track wheels have drive motors; and the battery is electrically connected to the drive motors.

[0020] As described above, in the tunnel armored fiber optic assisted laying vehicle, the nail gun has a cylindrical shell with a sliding firing pin inside; a return spring is fitted at the bottom of the firing pin and connected to the bottom of the cylindrical shell through the return spring; and an air inlet pipe is provided at the bottom of the cylindrical shell.

[0021] In this embodiment of the invention, the automatic laying of optical fibers is achieved by pressing the extracted optical fibers against the wall and fixing their position with a guide wheel and a nail gun during the formation process. Attached Figure Description

[0022] Figure 1 This is a side view of the armored optical fiber assisted laying vehicle in a tunnel, according to an embodiment of the present invention.

[0023] Figure 2 This is a top view of the armored fiber optic assisted laying vehicle in a tunnel, according to an embodiment of the present invention.

[0024] Figure 3 This is a structural diagram of another side of the armored optical fiber assisted laying vehicle in the tunnel according to an embodiment of the present invention;

[0025] Figure 4 for Figure 2 A magnified view of a portion of the image. Detailed Implementation

[0026] The armored fiber optic assisted laying vehicle in the tunnel described in this invention can be made of the following materials and components, but is not limited to them, such as: rollers, nail guns, fiber optic reels, frames, tracks, telescopic cylinders, spring rods, steering wheels, etc.

[0027] like Figure 1 The image shown is a side view of the armored fiber optic assisted laying vehicle in a tunnel, according to an embodiment of the present invention; combined with... Figure 2 and Figure 3 As shown.

[0028] The tunnel armored fiber optic assisted laying vehicle of this embodiment includes: a frame 1, a fiber optic reel fixing seat 20 and two telescopic robotic arms; the bottom of the frame 1 is provided with tracked wheels 10; the fiber optic reel fixing seat 20 is installed on the top of the frame 1; the fiber optic reel 2 is installed on the fiber optic reel fixing seat 20, and the fiber optic reel 2 has wound optical fibers 9.

[0029] The frame 1 is an electric vehicle frame. Generally, a battery is installed at the bottom of the frame 1; the track wheel 10 has a drive motor; the battery is electrically connected to the drive motor.

[0030] Both of the telescopic robotic arms have a fixed end and a free end; the fixed end is fixed to the frame 1; one of the free ends is respectively provided with a guide wheel 51, a nail gun 7 and a cam tensioning device 6, and the other free end is provided with a guide wheel 5; the optical fiber 9 contacts the guide wheel 5 through the guide wheel 51, the nail gun 7 and the cam tensioning device 6; the nail gun 7 can fire U-shaped nails or L-shaped nails, thereby fixing the optical fiber 9 to the wall.

[0031] The cam tensioning device 6 includes: a wheel frame 61 and a cam 60 that can rotate on the wheel frame 61; the cam 60 is a rubber wheel with a rough surface; grooves are also provided on the radial surface of the cam 60 so as to better contact the optical fiber 9.

[0032] The guide wheel 5 is provided with an arc-shaped groove, through which the guide wheel 5 contacts the optical fiber 9.

[0033] In actual use, the guide wheel 5 passes over the fiber that has just been fixed, and the guide wheel 5 plays a guiding role; the guide wheel 51 is used to transport the fiber 9 to the work surface to be installed; if the nail gun 7 is used for direct installation, the fiber 9 may sag slightly due to its own weight, which may cause the nail gun to pierce the fiber, or the fiber may sag slightly after installation. At this time, the cam tensioning device 6 is used to press the fiber against the wall, and the cam tensioning device is set close to the nail gun 7 to ensure the installation quality to the maximum extent and make the fiber optic cable more straight.

[0034] Furthermore, the two telescopic robotic arms include: an installation robotic arm and a wire guide robotic arm; the wire guide wheel is mounted on the wire guide robotic arm; the guide wheel 51 and the nail gun 7 are mounted on the installation robotic arm; the installation robotic arm is provided with a guide groove for the passage of the optical fiber. The guide groove is used to guide the optical fiber 9 to turn and pass through.

[0035] Specifically, the guide groove is equipped with at least one steering wheel 30; the steering wheel 30 is generally located at the corner where the optical fiber 9 has a large turning angle to avoid contact and wear between the optical fiber and the guide groove. The optical fiber contacts the mounting robotic arm through the steering wheel 30.

[0036] To facilitate fiber optic splicing, the installation robotic arm is also equipped with a fiber optic fusion splicer.

[0037] In another embodiment of the present invention, a tunnel armored fiber optic assisted laying vehicle is provided, wherein each of the telescopic robotic arms includes: a vertical telescopic arm 3 and a horizontal telescopic arm 4; the vertical telescopic arm 3 is vertically fixed to the top surface of the vehicle frame 1; the horizontal telescopic arm 4 has an installation end and a functional end; the horizontal telescopic arm 4 is vertically fixed to the top end of the vertical telescopic arm 3 through the installation end, and a fixing panel 40 is provided on the functional end; the fixing panel 40 is used to install various functional components.

[0038] Both the vertical telescopic arm 3 and the horizontal telescopic arm 4 can extend and retract vertically and horizontally, and fiber optic cabling at different angles and heights can be achieved by adjusting their lengths.

[0039] The guide wheel 51, the cam tensioning device 6, and the nail gun 7 are all mounted on the fixed panel 40. The fixed panel 40 can be provided with various mounting holes and mating slots to accommodate different components as needed, such as measuring instruments, fiber optic fusion splicers, clamping arms, and pneumatic cylinders.

[0040] In addition, to facilitate fiber optic splicing and cutting operations, the fixing panel 40 is rotatably mounted on the functional end. The cam 60 is mounted on the fixing panel 40 via the wheel frame 61. Generally, in this embodiment, the optical fiber 9 passes sequentially through the guide wheel 51, the nail gun 7, and the guide wheel 5 to continuously fix the optical fiber to the wall. When fiber optic cutting and splicing are required, the fixing panel 40 needs to be rotated so that the optical fiber 9 passes sequentially through the nail gun 7, the guide wheel 51, and the guide wheel 5; in this case, the optical fiber can be cut first before proceeding with the operation.

[0041] Furthermore, the nail gun 7 is equipped with a clamping device, through which the nail gun 7 contacts the optical fiber 9. The clamping device can adjust the firing angle and installation length of the nail gun.

[0042] The nail gun 7 has a cylindrical housing with a slidable firing pin 70 inside. A return spring 71 is fitted onto the bottom of the firing pin 70, connecting it to the bottom of the cylindrical housing. An air inlet pipe is located at the bottom of the cylindrical housing, and an electrically controlled air valve is installed on the air inlet pipe. Each air intake triggers the firing of the nail via the device 70. After firing, the pressure is automatically released, and the nail is reset using the return spring.

[0043] like Figure 4 As shown, the nail gun 7 is a pneumatic nail gun, which is equipped with an electrically controlled air valve; at least one limit switch 62 is provided on the wheel frame 61, and the cam 60 can rotate to contact the limit switch 62; the limit switch 62 is electrically connected to the electrically controlled air valve.

[0044] In actual use, the limit switch 62 is triggered once every time the cam 60 rotates, thereby determining whether the current state is tensioned. Through a delay controller and an electric control valve, the automatic nailing operation of the nail gun 7 is realized.

[0045] This embodiment utilizes a chassis with tracked wheels to mount an optical fiber reel. After the optical fiber is extracted, it extends to the tunnel wall via a telescopic robotic arm. A cam tensioning device holds the fiber in place and transmits the tension to a nail gun 7, allowing installation while the fiber is taut and tensioned. Simultaneously, the nail gun 7 on the telescopic robotic arm drives nails to secure the fiber to the tunnel wall. After this step, the arm moves using guide wheels 5. This design also allows for oblique fiber placement and includes an optical fiber splicer on the robotic arm for automatic fiber connection.

[0046] In this embodiment of the invention, the automatic laying of optical fibers is achieved by pressing the extracted optical fibers against the wall and fixing their position during the formation process using a guide wheel, a cam tensioning device, and a nail gun.

[0047] like Figure 3 As shown, in this embodiment, the armored fiber optic assisted laying vehicle in the tunnel is provided with two spring rods 52 on one of its free ends. The two spring rods 52 are located on the upper and lower sides of the guide wheel 5, respectively. One end of each spring rod 52 is fixed to the free end, and the other end is equipped with a retractable contact wheel.

[0048] The two spring rods 52 can effectively contact the wall to prevent the wall from scratching the guide wheel 5, and at the same time prevent the optical fiber 9 from falling directly down after falling off the guide wheel 5.

[0049] In addition, the tunnel armored fiber optic auxiliary laying vehicle of the present invention has low manufacturing cost, can effectively improve laying efficiency, has a compact structure, stable operation, and convenient fiber optic installation, and is suitable for laying fiber optics in the walls of various tunnels or large-scale projects.

[0050] The sequence numbers of the above embodiments of the present invention are merely for descriptive purposes and do not represent the superiority or inferiority of the embodiments. Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of some modifications and the superposition of necessary general technologies; of course, they can also be implemented by simplifying some important technical features. Based on this understanding, the technical solution of the present invention, in essence or the part that contributes to the prior art, is: the overall structure and connection method, and the structure described in the various embodiments of the present invention.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tunnel-mounted armored fiber optic cable assisted laying vehicle, characterized in that, include: The frame, fiber optic tray mount, and two telescopic robotic arms; The bottom of the vehicle frame is equipped with tracked wheels; The fiber optic disc mount is installed on the top of the vehicle frame; The fiber optic disk holder is equipped with a fiber optic disk having wound optical fibers. Both of the telescopic robotic arms have a fixed end and a free end; the fixed end is fixed to the frame; one of the free ends is sequentially provided with a guide wheel, a nail gun and a cam tensioning device, and the other free end is provided with a guide wheel; the optical fiber passes through the guide wheel, the nail gun and the cam tensioning device and contacts the guide wheel; The cam tensioning device includes: a wheel frame and a cam that can rotate on the wheel frame; the cam is a rubber wheel with a rough surface; The guide wheel is provided with an arc-shaped groove, through which the guide wheel contacts the optical fiber; Each of the telescopic robotic arms includes: a vertical telescopic arm and a horizontal telescopic arm; the vertical telescopic arm is vertically fixed to the top surface of the vehicle frame; the horizontal telescopic arm has a mounting end and a functional end; the horizontal telescopic arm is vertically fixed to the top end of the vertical telescopic arm through the mounting end, and a fixing panel is provided on the functional end; the guide wheel, the nail gun, and the cam tensioning device are all mounted on the fixing panel; The fixed panel is rotatably mounted on the functional end; the cam is mounted on the fixed panel via the wheel frame; The nail gun is a pneumatic nail gun, which is equipped with an electrically controlled air valve; at least one limit switch is provided on the wheel frame, and the rotation of the cam can contact the limit switch; the limit switch is electrically connected to the electrically controlled air valve. Two spring rods are also provided on one of the free ends, and the two spring rods are respectively located on the upper and lower sides of the guide wheel; one end of each spring rod is fixed to the free end, and the other end is equipped with a retractable contact wheel; The two telescopic robotic arms include: an installation robotic arm and a wire guide robotic arm; the wire guide wheel is mounted on the wire guide robotic arm; the guide wheel and the nail gun are mounted on the installation robotic arm; the installation robotic arm is provided with a guide groove for the optical fiber to pass through; The guide groove is provided with at least one steering wheel; the optical fiber contacts the installation robotic arm through the steering wheel; the installation robotic arm is also provided with an optical fiber fusion splicer; A battery is located at the bottom of the chassis; the track wheels have drive motors; the battery is electrically connected to the drive motors.

2. The tunnel armored fiber optic assisted laying vehicle according to claim 1, characterized in that, The nail gun has a cylindrical housing with a sliding firing pin inside; a return spring is fitted at the bottom of the firing pin and connected to the bottom of the cylindrical housing; an air inlet pipe is provided at the bottom of the cylindrical housing.

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