Drilling tool position adjusting device of tunnel drilling machine
By adopting a rapid limiting mechanism on the tunnel drilling rig, the drill bit can be quickly limited and adjusted using a drive motor and worm gear mechanism. This solves the problems of time-consuming and labor-intensive drill bit replacement and poor stability in existing devices, and improves operational efficiency and stability.
Patent Information
- Application Number
- CN202520000780.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing drill bit position adjustment device of the tunnel drilling rig is not easy to replace quickly, which makes it time-consuming and laborious for the staff to operate, and the stability of the drill bit is difficult to guarantee after replacement.
A quick-limiting mechanism is adopted, which realizes the rapid limiting and adjustment of the drill bit through the drive motor and worm gear mechanism. It includes the coordinated work of components such as the moving device, the first drive motor, the adjustment component, the connecting rod, the worm gear and the bidirectional screw, to achieve rapid replacement and stable fixation of the drill bit.
It enables rapid replacement and stable fixation of drilling tools, improves operational efficiency, reduces the operating time and labor intensity of workers, and ensures the stability of drilling tools.
Smart Images
Figure CN223497858U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tunnel drilling rig technology, and in particular to a tunnel drilling rig tool position adjustment device. Background Technology
[0002] In recent years, with the rapid development of infrastructure construction such as highways, high-speed railways and urban subways in my country, there has been an increasing number of projects requiring tunnel excavation, and corresponding tunnel excavation machinery has been used more and more widely.
[0003] Existing tunnel drilling rig tool position adjustment devices are mostly inconvenient for tool replacement. When replacing the tool, the operator needs to spend a lot of time and effort, and it is difficult to guarantee the stability of the tool after replacement, which is difficult to meet the usage requirements.
[0004] Therefore, for most tunnel drilling rig tool position adjustment devices, it is inconvenient to change the drill bit. When changing the drill bit, the operator needs to spend a lot of time and effort, and it is difficult to guarantee the stability of the drill bit after the change, making it difficult to meet the usage requirements. A tunnel drilling rig tool position adjustment device can be designed to quickly limit the position of the drill bit through a rapid limiting method, so as to realize the rapid replacement of the drill bit. This solves the problems of inconvenient drill bit replacement, the time-consuming and labor-intensive operation required by the operator, and the difficulty in guaranteeing the stability of the drill bit after the change, making it difficult to meet the usage requirements. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a drill bit position adjustment device for tunnel drilling rigs. This drill bit position adjustment device aims to solve the technical problems of existing technology, which is mostly inconvenient to change drill bits, requires workers to spend a lot of time to operate during the change, is time-consuming and laborious, and makes it difficult to guarantee the stability of the drill bit after the change, thus failing to meet the usage requirements.
[0006] The technical solution of this utility model is as follows: a drilling tool position adjustment device for a tunnel drilling rig, comprising a moving device, a first drive motor, and an adjustment component; an installation plate is provided at the upper end of the moving device, a connecting rod is provided on one side of the installation plate, an adjustment component is provided on one side of the connecting rod, a first drive motor is provided at the upper end of the adjustment component, an installation block is provided at the output end of the first drive motor, a second drive motor is provided inside the installation block, a first worm is provided at the output end of the second drive motor, a first worm wheel is provided on one side of the first worm, a bidirectional screw is provided inside the first worm wheel, a movable plate is provided outside the bidirectional screw, a fixing pin is provided at one end of the movable plate, a fixing block is provided inside the installation block, and a drill bit is provided on one side of the fixing block.
[0007] Preferably, a slot is provided at the corresponding position of the mounting block and the bidirectional screw, and the bidirectional screw is rotatably connected inside the mounting block.
[0008] Preferably, a through hole is provided at the corresponding position of the fixing block and the fixing pin, and the fixing pin is engaged and connected inside the through hole of the fixing block.
[0009] Preferably, a groove is provided at the corresponding position of the mounting block and the movable plate, and the movable plate is slidably connected inside the groove of the mounting block.
[0010] Preferably, the adjusting assembly includes a connecting block; a connecting block is provided on one side of the connecting rod, a third drive motor is provided on one side of the connecting block, a second worm is provided at the output end of the third drive motor, a second worm wheel is provided on one side of the second worm, a rotating rod is provided inside the second worm wheel, a slider is provided on one side of the rotating rod, a movable block is provided on the outside of the slider, a fourth drive motor is provided on one side of the movable block, a threaded rod is provided at the output end of the fourth drive motor, the threaded rod is threadedly connected to the inside of the slider, a support frame is provided on one side of the movable block, a movable sleeve is provided on the outside of the support frame, an electric push rod is provided inside the movable sleeve, and the output end of the electric push rod is fixedly connected to the movable block.
[0011] Preferably, a through hole is provided at the corresponding position of the connecting block and the rotating rod, and the rotating rod is rotatably connected inside the through hole of the connecting block.
[0012] Preferably, a groove is provided at the corresponding position of the movable block and the slider, and the slider is slidably connected inside the groove of the movable block.
[0013] The beneficial effects of this utility model are:
[0014] Compared to traditional tunnel drilling rig tool position adjustment devices, which are often inconvenient for tool replacement, require significant time and effort from operators, and struggle to ensure tool stability and meet usage requirements after replacement, this device addresses these issues by quickly limiting the tool's position. This allows for rapid tool replacement, resolving the problems of inconvenient tool replacement, time-consuming and labor-intensive operations, and the inability to guarantee tool stability and meet usage requirements after replacement. Attached Figure Description
[0015] Figure 1 The diagram shown is a three-dimensional structural schematic of a tunnel drilling rig drill bit position adjustment device according to this utility model;
[0016] Figure 2 The diagram shown is a cross-sectional view of a quick-change component for a tunnel drilling rig tool position adjustment device according to this utility model.
[0017] Figure 3The diagram shown is a three-dimensional structural schematic of the drill bit of a tunnel drilling rig drill bit position adjustment device according to this utility model.
[0018] Figure 4 The diagram shown is a cross-sectional view of the adjustment component of a tunnel drilling rig tool position adjustment device according to this utility model.
[0019] Figure 5 The diagram shown is a partial cross-sectional view of the adjustment component of a tunnel drilling rig tool position adjustment device according to this utility model.
[0020] Explanation of reference numerals in the attached drawings: 1. Moving device; 2. Mounting plate; 3. Connecting rod; 401. First drive motor; 402. Mounting block; 403. Second drive motor; 404. First worm gear; 405. First worm wheel; 406. Bidirectional screw; 407. Movable plate; 408. Fixing pin; 409. Fixing block; 410. Drill bit; 501. Connecting block; 502. Third drive motor; 503. Second worm gear; 504. Second worm wheel; 505. Rotating rod; 506. Movable block; 507. Fourth drive motor; 508. Threaded rod; 509. Slider; 510. Support frame; 511. Movable sleeve; 512. Electric push rod. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Please see Figure 1 - Figure 5This utility model provides an embodiment: a tunnel drilling rig tool position adjustment device, including a moving device 1, a first drive motor 401, and an adjustment component; the moving device 1 is provided with an mounting plate 2 at its upper end, a connecting rod 3 is provided on one side of the mounting plate 2, and an adjustment component is provided on one side of the connecting rod 3; the adjustment component is provided with a first drive motor 401 at its upper end, a mounting block 402 is provided at the output end of the first drive motor 401, a second drive motor 403 is provided inside the mounting block 402, a first worm gear 404 is provided at the output end of the second drive motor 403, a first worm wheel 405 is provided on one side of the first worm gear 404, and a double worm wheel 405 is provided inside the first worm wheel 405. A movable plate 407 is provided on the outer side of the screw 406 and the bidirectional screw 406. A fixing pin 408 is provided at one end of the movable plate 407. A fixing block 409 is provided on the inner side of the mounting block 402. A drill bit 410 is provided on one side of the fixing block 409. A groove is opened at the corresponding position of the mounting block 402 and the bidirectional screw 406. The bidirectional screw 406 is rotatably connected to the inside of the mounting block 402. The groove at the corresponding position of the mounting block 402 and the bidirectional screw 406 provides a limiting effect when the bidirectional screw 406 rotates inside the groove. A through hole is opened at the corresponding position of the fixing block 409 and the fixing pin 408. The fixing pin 408 is engaged with the fixing pin 409. Inside the through hole of the fixed block 409, through holes are provided at corresponding positions of the fixed block 409 and the fixed pin 408, so that the fixed pin 408 has a limiting effect when it is engaged inside the through hole. A sliding groove is provided at corresponding positions of the mounting block 402 and the movable plate 407. The movable plate 407 is slidably connected inside the sliding groove of the mounting block 402. The sliding groove provided at corresponding positions of the mounting block 402 and the movable plate 407 provides a limiting effect when the movable plate 407 slides inside the sliding groove. By starting the second drive motor 403, the second drive motor 403 drives the first worm gear 404 to rotate, and the first worm gear 404 drives the first worm wheel 405 to rotate. The first worm gear 405 drives the double-ended screw 406 to rotate, the double-ended screw 406 drives the movable plate 407 to move, the movable plate 407 drives the fixing pin 408 to move and disengage from the fixing block 409, and then the drill bit 410 can be pulled out. During installation, the fixing block 409 is inserted into the mounting block 402, the second drive motor 403 is started, the second drive motor 403 drives the first worm 404 to rotate, the first worm 404 drives the first worm gear 405 to rotate, the first worm gear 405 drives the double-ended screw 406 to rotate, the double-ended screw 406 drives the movable plate 407 to move, the movable plate 407 drives the fixing pin 408 to move, insert into the fixing block 409 and lock in place.
[0023] Please see Figure 4 - Figure 5In this embodiment, the adjustment assembly includes a connecting block 501; a connecting block 501 is provided on one side of the connecting rod 3, a third drive motor 502 is provided on one side of the connecting block 501, a second worm gear 503 is provided at the output end of the third drive motor 502, a second worm wheel 504 is provided on one side of the second worm gear 503, a rotating rod 505 is provided inside the second worm wheel 504, a slider 509 is provided on one side of the rotating rod 505, a movable block 506 is provided on the outside of the slider 509, a fourth drive motor 507 is provided on one side of the movable block 506, a threaded rod 508 is provided at the output end of the fourth drive motor 507, the threaded rod 508 is threadedly connected to the inside of the slider 509, a support frame 510 is provided on one side of the movable block 506, and a support frame 510 is provided on the outside of the support frame 510. A movable sleeve 511 is provided, and an electric push rod 512 is provided inside the movable sleeve 511. The output end of the electric push rod 512 is fixedly connected to the movable block 506. A through hole is provided at the corresponding position of the connecting block 501 and the rotating rod 505. The rotating rod 505 is rotatably connected inside the through hole of the connecting block 501. The through hole provided at the corresponding position of the connecting block 501 and the rotating rod 505 provides a limiting effect when the rotating rod 505 rotates inside the through hole. A sliding groove is provided at the corresponding position of the movable block 506 and the slider 509. The slider 509 is slidably connected inside the sliding groove of the movable block 506. The sliding groove provided at the corresponding position of the movable block 506 and the slider 509 provides a limiting effect when the slider 509 slides inside the sliding groove.
[0024] When changing drill bits, the second drive motor 403 is started, which drives the first worm gear 404 to rotate. The first worm gear 404 drives the first worm wheel 405 to rotate, which in turn drives the double-ended screw 406 to rotate. The double-ended screw 406 moves the movable plate 407, which in turn moves the fixing pin 408 to disengage from the fixing block 409. Then, the drill bit 410 can be pulled out. During installation, the fixing block 409 is inserted into the mounting block 402, and the second drive motor 403 is started. The second drive motor 403 drives the first worm gear 404 to rotate, which in turn drives the first worm wheel 405 to rotate. The first worm wheel 405 drives the double-ended screw 406 to rotate, which in turn moves the movable plate 407, which in turn moves the fixing pin 408 to insert into the fixing block 409 and lock in place.
[0025] When using the device, starting the third drive motor 502 drives the second worm gear 503 to rotate, which in turn drives the second worm wheel 504 to rotate. The second worm wheel 504 then drives the rotating rod 505 to rotate, thereby rotating the drill bit for adjustment. Starting the fourth drive motor 507 drives the threaded rod 508 to rotate, which in turn moves the movable block 506, further adjusting the drill bit. Starting the first drive motor 401 drives the mounting block 402, which in turn rotates the drill bit 410 for drilling. Starting the electric push rod 512 drives the movable sleeve 511 to move on the support frame 510, which in turn moves the drill bit 410 for drilling.
[0026] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A tunnel drilling rig tool position adjustment device, comprising a moving device (1); characterized in that: It also includes a first drive motor (401) and an adjustment component; the upper end of the moving device (1) is provided with a mounting plate (2), a connecting rod (3) is provided on one side of the mounting plate (2), an adjustment component is provided on one side of the connecting rod (3), the upper end of the adjustment component is provided with a first drive motor (401), the output end of the first drive motor (401) is provided with a mounting block (402), the inner side of the mounting block (402) is provided with a second drive motor (403), the second drive motor (401) is provided with a first drive motor (401) and an adjustment component; the upper end of the adjustment component is provided with a first drive motor (401), the output end of the first drive motor (401) is provided with a mounting block (402), the inner side of the mounting block (402) is provided with a second drive motor (403), the second drive motor (401) is provided with a first drive motor (401) and an adjustment component; the upper end of the moving device (1) is provided with a mounting plate (2), a connecting rod (3) is provided on one side of the mounting plate (2), an adjustment component is provided on one side of the connecting rod (3), ... an adjustment component is provided on one side of the connecting rod (3), the upper end of the adjustment component is provided with a first drive motor (401), the output end of the first drive motor (401) is provided with a mounting block (402), the 3) The output end is provided with a first worm (404), a first worm wheel (405) is provided on one side of the first worm (404), a double screw (406) is provided inside the first worm wheel (405), a movable plate (407) is provided outside the double screw (406), a fixed pin (408) is provided at one end of the movable plate (407), a fixed block (409) is provided inside the mounting block (402), and a drill bit (410) is provided on one side of the fixed block (409).
2. The tunnel drilling rig tool position adjustment device according to claim 1, characterized in that: The mounting block (402) and the bidirectional screw (406) are provided with grooves at corresponding positions, and the bidirectional screw (406) is rotatably connected inside the mounting block (402).
3. The tunnel drilling rig tool position adjustment device according to claim 1, characterized in that: Through holes are provided at corresponding positions of the fixing block (409) and the fixing pin (408), and the fixing pin (408) is engaged with the inside of the through hole of the fixing block (409).
4. The tunnel drilling rig tool position adjustment device according to claim 1, characterized in that: The mounting block (402) and the movable plate (407) are provided with corresponding grooves, and the movable plate (407) is slidably connected inside the groove of the mounting block (402).
5. The tunnel drilling rig tool position adjustment device according to claim 1, characterized in that: The adjustment assembly includes a connecting block (501); a connecting block (501) is provided on one side of the connecting rod (3), a third drive motor (502) is provided on one side of the connecting block (501), a second worm (503) is provided at the output end of the third drive motor (502), a second worm wheel (504) is provided on one side of the second worm (503), a rotating rod (505) is provided inside the second worm wheel (504), a slider (509) is provided on one side of the rotating rod (505), and a movable block (509) is provided outside the slider (509). 506), a fourth drive motor (507) is provided on one side of the movable block (506), a threaded rod (508) is provided at the output end of the fourth drive motor (507), the threaded rod (508) is threadedly connected to the inside of the slider (509), a support frame (510) is provided on one side of the movable block (506), a movable sleeve (511) is provided on the outside of the support frame (510), an electric push rod (512) is provided on the inside of the movable sleeve (511), and the output end of the electric push rod (512) is fixedly connected to the movable block (506).
6. The tunnel drilling rig tool position adjustment device according to claim 5, characterized in that: A through hole is provided at the corresponding position of the connecting block (501) and the rotating rod (505), and the rotating rod (505) is rotatably connected inside the through hole of the connecting block (501).
7. The tunnel drilling rig tool position adjustment device according to claim 5, characterized in that: A groove is provided at the corresponding position of the movable block (506) and the slider (509), and the slider (509) is slidably connected inside the groove of the movable block (506).