A tunneling machine with an adjustable tunneling angle

Abstract

This utility model relates to the field of tunneling machine technology, specifically to a tunneling machine that facilitates adjustment of the tunneling angle. It includes a tracked power source with a fixed frame fixedly connected between the tracked power sources. Two symmetrical first hydraulic telescopic rods are hinged to the top of the fixed frame. A fixed ring is fixedly connected to the telescopic end of each first hydraulic telescopic rod. A rotating column is rotatably connected to the inner wall of the fixed ring. First hinge frames are fixedly connected to both ends of the rotating column. A turntable is fixedly connected between the two first hinge frames. Two symmetrical second and third hinge frames are fixedly connected to the outer wall of the turntable. This tunneling machine achieves precise left-right angle adjustment through differentiated control of the two first hydraulic telescopic rods, and uses a fourth hydraulic telescopic rod to push the tunneling arm for vertical pitch control. This eliminates the need for overall steering or manual intervention, significantly improving the efficiency and accuracy of angle adjustment and effectively avoiding tunneling trajectory deviation.

Description

Technical Field

[0001] This utility model relates to the field of tunneling machine technology, specifically to a tunneling machine that facilitates adjustment of the tunneling angle. Background Technology

[0002] Tunnel boring machines (TBMs) are key equipment in tunnel construction, mining, and other fields. Their performance directly affects the efficiency and quality of the project. Traditional TBMs mostly adopt an integral body and rigid connection structure. Although they have a certain rock breaking and tunneling capabilities, they lack flexibility under complex geological conditions or when frequent adjustments to the tunneling direction are required. Although some existing equipment attempts to achieve local adjustment through hydraulic mechanisms, the overall structure is still relatively limited, making it difficult to achieve multi-degree-of-freedom, precise, and rapid adjustment of the tunneling angle.

[0003] Currently, common tunneling machines often struggle to quickly and accurately adjust their tunneling angle according to actual rock strata changes or project requirements during construction. Especially when left-right or up-down tilting is required, most machines rely on overall steering or manual intervention, which is not only inefficient but also prone to causing deviations in the tunneling trajectory, affecting construction accuracy and progress. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a tunneling machine that facilitates adjustment of the tunneling angle.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model provides a tunneling machine that facilitates adjustment of the tunneling angle, including a tracked power source. A fixed frame is fixedly connected between the tracked power sources. Two symmetrical first hydraulic telescopic rods are hinged to the top of the fixed frame. A fixed ring is fixedly connected to the telescopic end of the first hydraulic telescopic rod. A rotating column is rotatably connected to the inner wall of the fixed ring. First hinge frames are fixedly connected to both ends of the rotating column. A turntable is fixedly connected between the two first hinge frames. Two symmetrical second hinge frames and a third hinge frame are fixedly connected to the outer wall of the turntable.

[0007] According to the above-mentioned tunneling machine that facilitates adjustment of the tunneling angle, a hinge block is hinged in the second hinge frame, and two hinge blocks are fixedly connected to a tunneling arm. A sliding column is fixedly connected to the front end of the tunneling arm, and a tunneling head is slidably sleeved on the outer wall of the sliding column. A drill bit is fixedly connected to the front end of the tunneling head.

[0008] According to the above-mentioned tunneling machine that facilitates adjustment of the tunneling angle, the outer walls of the tunneling arm and the tunneling head are symmetrically fixedly connected with mounting heads, and a second hydraulic telescopic rod is fixedly connected between the mounting heads on the same side.

[0009] According to the above-mentioned tunneling machine that facilitates adjustment of the tunneling angle, two symmetrical fourth hinge frames are fixedly connected to the outer wall of the tunneling arm. A fourth hydraulic telescopic rod is hinged to the third hinge frame, and the telescopic end of the fourth hydraulic telescopic rod is hinged to the fourth hinge frame.

[0010] According to the above-mentioned tunneling machine that facilitates adjustment of the tunneling angle, an inclined collecting cover is fixedly connected to one end of the fixed frame near the drill bit. Two symmetrical material feeding discs are rotatably connected to the top of the inclined collecting cover. A drive motor for driving the material feeding discs is embedded in the inner wall of the inclined collecting cover. A conveying structure is provided between the fixed frames. The discharge port of the inclined collecting cover is connected to the receiving port of the conveying structure.

[0011] According to the above-mentioned tunneling machine that facilitates adjustment of the tunneling angle, two symmetrical fifth hinge frames are fixedly connected to the end of the fixed frame away from the drill bit. A third hydraulic telescopic rod is hinged inside the fifth hinge frame, and a fixed arm is also hinged inside the fifth hinge frame. The third hydraulic telescopic rod is hinged to the top end of the fixed arm.

[0012] The technical solution provided by this utility model has the following advantages compared with the known prior art:

[0013] 1. This tunneling machine achieves precise left and right angle adjustment by differentially controlling two first hydraulic telescopic rods, and uses a fourth hydraulic telescopic rod to push the tunneling arm to complete the up and down pitch control. No overall steering or manual intervention is required, which significantly improves the efficiency and accuracy of angle adjustment and effectively avoids tunneling trajectory deviation.

[0014] 2. The equipment uses a third hydraulic telescopic rod to push the fixed arm to the ground to form a stable support. It is also equipped with an inclined collection hood and a material feeding plate to automatically remove excavated soil. This not only ensures the stability of the machine body during the tunneling process, but also avoids the impact of excavated soil accumulation on construction efficiency and improves the ability to operate continuously. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This utility model Figure 1 Enlarged 3D view of part A;

[0018] Figure 3 This utility model Figure 1 Enlarged 3D view of part B.

[0019] Reference numerals: 1. Tracked power source; 2. Fixed frame; 3. First hydraulic telescopic rod; 4. Fixed ring; 5. Rotating column; 6. First articulated frame; 7. Turntable; 8. Second articulated frame; 9. Third articulated frame; 10. Articulated block; 11. Tunneling arm; 12. Tunneling head; 13. Drill bit; 14. Mounting head; 15. Second hydraulic telescopic rod; 16. Fourth articulated frame; 17. Fourth hydraulic telescopic rod; 18. Inclined collection hood; 19. Material feeding disc; 20. Fixed arm; 21. Conveying structure; 22. Fifth articulated frame; 23. Third hydraulic telescopic rod. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0021] The present invention will be further described below with reference to the embodiments.

[0022] Example: Refer to Figures 1 to 3 A tunneling machine that facilitates adjustment of the tunneling angle includes a tracked power source 1, a fixed frame 2 fixedly connected between the tracked power sources 1, two symmetrical first hydraulic telescopic rods 3 hinged to the top of the fixed frame 2, a fixed ring 4 fixedly connected to the telescopic end of the first hydraulic telescopic rods 3, a rotating column 5 rotatably connected to the inner wall of the fixed ring 4, first hinge frames 6 fixedly connected to both ends of the rotating column 5, a turntable 7 fixedly connected between the two first hinge frames 6, and two symmetrical second hinge frames 8 and third hinge frames 9 fixedly connected to the outer wall of the turntable 7.

[0023] The second hinge frame 8 is hinged with hinge blocks 10. The two hinge blocks 10 are fixedly connected to the tunneling arm 11. The front end of the tunneling arm 11 is fixedly connected to a sliding column. The outer wall of the sliding column is slidably fitted with a tunneling head 12. The front end of the tunneling head 12 is fixedly connected to a drill bit 13.

[0024] The outer walls of the tunneling arm 11 and the tunneling head 12 are symmetrically fixedly connected with mounting heads 14, and the mounting heads 14 on the same side are fixedly connected with a second hydraulic telescopic rod 15.

[0025] The outer wall of the tunneling arm 11 is fixedly connected to two symmetrical fourth hinge frames 16. The third hinge frame 9 is hinged to a fourth hydraulic telescopic rod 17, and the telescopic end of the fourth hydraulic telescopic rod 17 is hinged to the fourth hinge frame 16.

[0026] An inclined collection cover 18 is fixedly connected to one end of the fixed frame 2 near the drill bit 13. Two symmetrical feeding discs 19 are rotatably connected to the top of the inclined collection cover 18. A drive motor for driving the feeding discs 19 is embedded in the inner wall of the inclined collection cover 18. A conveying structure 21 is arranged between the fixed frames 2. The outlet of the inclined collection cover 18 is connected to the receiving outlet of the conveying structure 21.

[0027] Two symmetrical fifth hinge frames 22 are fixedly connected to the end of the fixed frame 2 away from the drill bit 13. A third hydraulic telescopic rod 23 is hinged inside the fifth hinge frame 22. A fixed arm 20 is also hinged inside the fifth hinge frame 22. The third hydraulic telescopic rod 23 is hinged to the top of the fixed arm 20.

[0028] The working principle of this utility model is as follows:

[0029] When adjusting the left and right angle of drill bit 13, the two first hydraulic telescopic rods 3 at the top of the fixed frame 2 are controlled differently: if a left turn is needed, the left side retracts and the right side extends; if a right turn is needed, the opposite occurs. The extension and retraction of the first hydraulic telescopic rods 3 causes the top fixed ring 4 to deflect laterally. Because the inner wall of the fixed ring 4 is rotatably connected to the rotating column 5, the rotating column 5 will synchronously drive the first hinge frames 6 at both ends to swing, thereby causing the turntable 7 between the two hinge frames to rotate. The second and third hinge frames 9 on the outer wall of the turntable 7 will then turn, and finally, through the tunneling arm 11 connected by the second hinge frame 8, the front drill bit 13 will complete the left and right angle adjustment to ensure alignment with the target position.

[0030] The vertical angle adjustment relies on the fourth hydraulic telescopic rod 17 between the third articulation frame 9 of the turntable 7 and the tunneling arm 11: one end of the rod is hinged to the third articulation frame 9, and the other end is hinged to the fourth articulation frame 16 of the tunneling arm 11, forming a stable triangular support. When the fourth hydraulic telescopic rod 17 extends, it generates a thrust on the fourth articulation frame 16, causing the tunneling arm 11 to rotate upward around the hinge point with the hinge block 10 of the second articulation frame 8 as the fulcrum; when it retracts, it generates a pull force, driving the tunneling arm 11 to rotate downward, precisely controlling the vertical angle of the drill bit 13 to adapt to different working depths.

[0031] After angle calibration, tunneling begins: A sliding column is fixed to the front end of the tunneling arm 11, and the tunneling head 12 is slidably fitted onto it. Mounting heads 14 are symmetrically fixed to the outer walls of both. A second hydraulic telescopic rod 15 connects to the corresponding mounting head 14. The second hydraulic telescopic rod 15 extends to push the tunneling head 12 along the sliding column towards the working face. After the drill bit 13 contacts the column, it continues to extend, providing stable tunneling force and efficiently crushing materials. When depth adjustment or pausing is required, retracting the telescopic rod will cause the tunneling head 12 to move backward, allowing for flexible operation.

[0032] Operational stability is ensured by a fixed support structure: Two symmetrical fifth hinge frames 22 are located at the end of the fixed frame 2 furthest from the drill bit 13. Each hinge frame simultaneously hinges a third hydraulic telescopic rod to the fixed arm 20, with the top of the telescopic rod hinged to the middle of the fixed arm 20. When the machine body needs to be fixed, the third hydraulic telescopic rod extends, generating a thrust on the fixed arm 20, causing it to rotate downwards around the hinge point, with its bottom touching the ground to form a stable support. When moving, the telescopic rod retracts, causing the fixed arm 20 to rotate upwards and detach from the ground. Simultaneously, the excavated soil falls into an inclined collection hood 18 near the drill bit 13 end of the fixed frame 2. Inside the hood, a drive motor rotates a material feeding disc 19, pushing the soil to the discharge port, where it falls into the conveying structure 21 and is transported to a designated location, preventing accumulation and improving efficiency.

[0033] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model 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 of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A tunneling machine with an easily adjustable tunneling angle, characterized in that, Includes a tracked power source (1), with a fixed frame (2) fixedly connected between the tracked power sources (1). The top of the fixed frame (2) is hinged with two symmetrical first hydraulic telescopic rods (3). The telescopic ends of the first hydraulic telescopic rods (3) are fixedly connected with a fixed ring (4). The inner wall of the fixed ring (4) is rotatably connected with a rotating column (5). The two ends of the rotating column (5) are fixedly connected with first hinge frames (6). The two first hinge frames (6) are fixedly connected together with a turntable (7). The outer wall of the turntable (7) is fixedly connected with two symmetrical second hinge frames (8) and third hinge frames (9).

2. The tunneling machine for easy adjustment of the tunneling angle according to claim 1, characterized in that, The second hinge frame (8) is hinged with hinge blocks (10), and the two hinge blocks (10) are fixedly connected to the tunneling arm (11). The front end of the tunneling arm (11) is fixedly connected to a sliding column, and the outer wall of the sliding column is slidably fitted with a tunneling head (12). The front end of the tunneling head (12) is fixedly connected to a drill bit (13).

3. A tunneling machine with an easily adjustable tunneling angle according to claim 2, characterized in that, The outer walls of the tunneling arm (11) and the tunneling head (12) are symmetrically fixedly connected with mounting heads (14), and the mounting heads (14) on the same side are fixedly connected with a second hydraulic telescopic rod (15).

4. A tunneling machine with an easily adjustable tunneling angle according to claim 3, characterized in that, The outer wall of the tunneling arm (11) is fixedly connected to two symmetrical fourth hinge frames (16). The third hinge frame (9) is hinged to a fourth hydraulic telescopic rod (17). The telescopic end of the fourth hydraulic telescopic rod (17) is hinged to the fourth hinge frame (16).

5. A tunneling machine with an easily adjustable tunneling angle according to claim 4, characterized in that, An inclined collecting cover (18) is fixedly connected to one end of the fixed frame (2) near the drill bit (13). Two symmetrical feeding discs (19) are rotatably connected to the top of the inclined collecting cover (18). A drive motor for driving the feeding discs (19) is embedded in the inner wall of the inclined collecting cover (18). A conveying structure (21) is provided between the fixed frames (2). The outlet of the inclined collecting cover (18) is connected to the receiving outlet of the conveying structure (21).

6. A tunneling machine with an easily adjustable tunneling angle according to claim 5, characterized in that, Two symmetrical fifth hinge frames (22) are fixedly connected to one end of the fixed frame (2) away from the drill bit (13). A third hydraulic telescopic rod (23) is hinged inside the fifth hinge frame (22). A fixed arm (20) is also hinged inside the fifth hinge frame (22). The third hydraulic telescopic rod (23) is hinged to the top of the fixed arm (20).

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