Automatic deviation rectifying and drilling guide device for bridge and tunnel engineering anchor rod hole construction

Abstract

The utility model provides an automatic deviation correction drilling guide device for bridge and tunnel engineering anchor rod hole construction, and relates to the technical field of drilling guide. A base is mounted on the partition plate, a middle cylinder is mounted above the base, a top seat is mounted at the upper end of the middle cylinder and connected with the base through bolts, guide cylinders are mounted in the top seat, the middle cylinder and the base, bearings are mounted in the top seat, and the guide cylinders are sleeved with the bearings; by means of an automatic deviation rectifying structure composed of the lower fixing block, the elastic telescopic rod, the rail rod, the contact wheel and the like, when a drill bit deviates, the contact wheel is extruded to be in linkage with the elastic telescopic rod to reversely apply force to adjust the direction, and the drilling perpendicularity and precision are improved; dustproof rings and sealing rings in the base and the top seat form a multi-layer dustproof sealing structure, dust is prevented from entering the device, components are protected, the service life is prolonged, and the construction environment is improved; vibration impact is absorbed through a buffering and damping system composed of a buffering ring and a spring in the middle cylinder, and the drilling quality is improved.

Description

An automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering Technical Field

[0001] This utility model relates to the field of drilling guidance technology, and in particular to an automatic correction drilling guidance device for anchor bolt hole construction in bridge and tunnel engineering. Background Technology

[0002] In modern bridge and tunnel construction, anchor bolt support is a key technology for ensuring the stability of the engineering structure, and its construction quality directly affects the safety and durability of bridges and tunnels. Precise construction of anchor bolt holes is a prerequisite for ensuring the anchor bolts perform their anchoring function. Parameters such as the verticality and diameter accuracy of the borehole have a decisive influence on the anchoring effect between the anchor bolt and the soil / rock mass. Therefore, an automatic correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering is designed.

[0003] Existing drilling guidance devices have significant technical shortcomings in terms of dust protection and shock absorption. Most current devices have relatively simple dust protection designs, relying on a single sealed structure or open layout, which is difficult to resist the invasion of a large amount of dust and debris generated during drilling operations. They also lack shock absorption structures and cannot effectively buffer the severe vibration and impact force transmitted by the drill bit during drilling. Summary of the Invention

[0004] This disclosure relates to an automatic deviation correction drilling guide device for anchor hole construction in bridge and tunnel engineering, in order to solve the technical problems mentioned in the background art.

[0005] In a first aspect, this disclosure provides an automatic correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering, specifically comprising: a partition plate; a circular through hole provided on the partition plate; a base installed on the partition plate; an intermediate cylinder installed above the base; a top seat installed at the upper end of the intermediate cylinder; the top seat connected to the base by bolts; a guide cylinder installed inside the top seat, the intermediate cylinder, and the base; a bearing installed inside the top seat; the bearing sleeved on the guide cylinder; a lower dustproof ring and an upper dustproof ring respectively installed inside the base and the top seat; a sealing ring installed below the upper dustproof ring; the sealing ring located between the intermediate cylinder and the top seat; an installation frame installed inside the intermediate cylinder; buffer rings installed at both the upper and lower ends of the installation frame; a spring installed between the two buffer rings; and three lower fixing blocks and three upper fixing blocks fixed on the inner wall of the guide cylinder.

[0006] In at least some embodiments, the upper fixing block is located directly above the lower fixing block, and a rail is fixed between the upper fixing block and the lower fixing block.

[0007] In at least some embodiments, a movable block slides on the rail, and four rotatable connecting plates are bolted to the lower fixed block, with connecting seats connected to the four connecting plates.

[0008] In at least some embodiments, two contact wheels are mounted on the connecting seat via pins, and an elastic telescopic rod connects the movable block to the connecting seat.

[0009] In at least some embodiments, four mounting seats are fixedly installed at the lower end of the partition, and a housing is installed at the lower end of the mounting seats by bolts. Two spiral columns are installed inside the housing, and gears are installed on the spiral columns.

[0010] In at least some embodiments, a drive column is installed in the mounting base, and a gear is installed at the lower end of the drive column, the gear on the drive column meshing with gears on two helical columns.

[0011] In at least some embodiments, a bevel gear is fixed to the upper end of the drive column, a rotating rod is mounted on the mounting base, a bevel gear and a handwheel are fixed on the rotating rod, and the bevel gear on the rotating rod meshes with the bevel gear on the drive column.

[0012] This utility model provides an automatic deviation correction drilling guide device for anchor hole construction in bridge and tunnel engineering, which has the following beneficial effects:

[0013] In this invention, the components such as the lower fixed block, upper fixed block, rail rod, movable block, connecting plate, connecting seat, and contact wheel arranged on the inner wall of the guide cylinder constitute an automatic correction structure. During the drilling process, if the drill bit deviates, the drill bit squeezes the contact wheel, causing the movable block to slide on the rail rod. Through the linkage of the elastic telescopic rod and the connecting plate, the contact wheel is pushed to apply force in the opposite direction, adjusting the direction of the drill bit in real time to ensure that the drilling proceeds along the predetermined trajectory. This significantly improves the verticality and accuracy of anchor hole construction, reduces rework caused by drilling deviation, and improves construction efficiency.

[0014] Furthermore, in this invention, the lower dustproof ring and upper dustproof ring installed in the base and top seat respectively, together with the sealing ring inside the top seat, form a multi-layer dustproof sealing structure, which effectively prevents dust and debris generated during drilling from entering the device, preventing dust from wearing down key components such as bearings and rails, extending the service life of the device, and reducing the harm of dust to the construction environment and the health of operators.

[0015] Furthermore, in this invention, the buffer rings and springs at the upper and lower ends of the mounting bracket inside the intermediate cylinder form a buffer and shock absorption system, which can effectively absorb the vibration and impact force transmitted by the drill bit during drilling, reduce the overall vibration amplitude of the device, not only protect the internal parts of the device from severe vibration damage, but also make the drilling process more stable and improve the drilling quality.

[0016] The mounting base, housing, spiral column, drive column, rotating rod, and handwheel at the lower end of the partition plate form an adjustment mechanism. By rotating the handwheel, the spiral column can be driven to rotate and insert into the soil through the transmission of bevel gears and gears. After the spiral column is inserted into the soil, it can firmly fix the partition plate, preventing the device from shifting or shaking due to reaction forces or uneven ground during the drilling process. This provides a stable and reliable support foundation for drilling operations, further ensuring drilling accuracy and construction safety. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0018] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0019] In the attached diagram:

[0020] Figure 1 shows a schematic diagram of the overall structure of this application.

[0021] Figure 2 shows a schematic diagram of the structure of the housing portion of this application.

[0022] Figure 3 shows a cross-sectional structural diagram of the base, intermediate cylinder, and top seat of this application.

[0023] Figure 4 shows an enlarged structural schematic diagram of part A in Figure 3 of this application.

[0024] Figure 5 shows a schematic diagram of the guide cylinder portion of this application.

[0025] Figure 6 shows a schematic diagram of the connector portion of this application.

[0026] Figure 7 shows an enlarged structural schematic diagram of part B in Figure 6 of this application.

[0027] List of reference numerals

[0028] 1. Partition plate; 11. Mounting base; 111. Drive column; 112. Rotating rod; 1121. Handwheel; 12. Housing base; 121. Spiral column; 2. Base; 21. Intermediate cylinder; 211. Lower dustproof ring; 212. Mounting bracket; 213. Buffer ring; 214. Spring; 22. Top seat; 221. Bearing; 222. Upper dustproof ring; 223. Sealing ring; 23. Guide cylinder; 231. Lower fixing block; 232. Upper fixing block; 233. Rail rod; 2331. Movable block; 2332. Elastic telescopic rod; 234. Connecting seat; 2341. Connecting plate; 2342. Contact wheel. Detailed Implementation

[0029] 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. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] Please refer to Figures 1 to 7: Example 1:

[0031] This utility model proposes an automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering, comprising: a partition plate 1; a circular through hole provided on the partition plate 1; a base 2 installed on the partition plate 1; an intermediate cylinder 21 installed above the base 2; a top seat 22 installed at the upper end of the intermediate cylinder 21; the top seat 22 being connected to the base 2 by bolts; a guide cylinder 23 installed inside the top seat 22, the intermediate cylinder 21, and the base 2; and a bearing 221 installed inside the top seat 22, which is fitted onto the guide cylinder 23. The base 2 and the top seat 22 are respectively equipped with a lower dustproof ring 211 and an upper dustproof ring 222. A sealing ring 223 is installed below the upper dustproof ring 222. The sealing ring 223 is located between the intermediate cylinder 21 and the top seat 22. A mounting bracket 212 is installed inside the intermediate cylinder 21. Buffer rings 213 are installed at both the upper and lower ends of the mounting bracket 212. A spring 214 is installed between the two buffer rings 213. Three lower fixing blocks 231 and three upper fixing blocks 232 are fixed on the inner wall of the guide cylinder 23.

[0032] In this embodiment, the upper fixing block 232 is located directly above the lower fixing block 231. A rail rod 233 is fixed between the upper fixing block 232 and the lower fixing block 231. A movable block 2331 slides on the rail rod 233. Four rotatable connecting plates 2341 are bolted to the lower fixing block 231. Connecting seats 234 are connected to the four connecting plates 2341. Two contact wheels 2342 are mounted on the connecting seats 234 via pins. The movable block 2331 is connected to the connecting seat 234. The elastic telescopic rod 2332 serves the following purposes: the rail 233 provides a sliding track for the movable block 2331, allowing the movable block 2331 to move smoothly along the direction of the rail 233. The elastic telescopic rod 2332 connects the movable block 2331 and the connecting seat 234, and has elastic telescopic characteristics. When drilling is normal, it maintains appropriate contact pressure between the contact wheel 2342 and the borehole wall. When the drill bit deviates, it absorbs and releases energy through telescopic deformation, providing buffer and power for the correction action, ensuring a smooth and responsive correction process.

[0033] In Example 2, based on Example 1, four mounting bases 11 are fixedly installed at the lower end of the partition plate 1. A housing 12 is bolted to the lower end of the mounting base 11. Two spiral columns 121 are installed inside the housing 12. Gears are installed on the spiral columns 121. A drive column 111 is installed inside the mounting base 11. A gear is installed at the lower end of the drive column 111. The gear on the drive column 111 meshes with the gears on the two spiral columns 121. Its function is that after the spiral columns 121 penetrate into the soil, they can provide a strong anchoring force for the entire device, so that the device is firmly fixed in the construction position and prevents the device from shifting due to vibration and reaction force during drilling.

[0034] In Example 3, based on Examples 1 and 2, a bevel gear is fixed to the upper end of the drive column 111, and a rotating rod 112 is mounted on the mounting base 11. A bevel gear and a handwheel 1121 are fixed on the rotating rod 112. The bevel gear on the rotating rod 112 meshes with the bevel gear on the drive column 111. Its function is: the bevel gear at the upper end of the drive column 111 meshes with the bevel gear on the rotating rod 112, converting the horizontal rotational motion into the vertical rotational motion, so that the operator can conveniently drive the longitudinal drive column 111 by rotating the handwheel 1121 laterally.

[0035] The working principle of this embodiment is as follows: Before the anchor bolt hole construction in the bridge and tunnel project, the operator rotates the handwheel 1121 to drive the rotating rod 112 to rotate. The bevel gear on the rotating rod 112 meshes with the bevel gear at the upper end of the drive column 111, transmitting rotational power to the drive column 111. The gear at the lower end of the drive column 111 meshes with the gear on the spiral column 121, causing the spiral column 121 to rotate and drill into the soil, achieving stable fixation and height adjustment of the device, ensuring that the partition plate 1 is in a suitable position, providing a stable foundation for the drilling operation. During the drilling process, the drill bit passes through the circular through hole on the partition plate 1 and enters the guide cylinder 23. The contact wheel 2342 is in direct contact with the drill bit. When the drill bit deviates due to geological conditions or other factors, the drill bit will squeeze the contact wheel 2342, causing the contact wheel 2342 to displace, thereby driving the connection... The seat 234 moves, and the connecting seat 234 pulls the movable block 2331 to slide on the rail 233 through the connecting plate 2341. The sliding of the movable block 2331 compresses the elastic telescopic rod 2332, which generates elastic deformation and releases a reaction force. Through the connecting plate 2341 and the connecting seat 234, the contact wheel 2342 is pushed to apply force in the opposite direction, pushing the drill bit back to the predetermined drilling trajectory, thus achieving automatic correction. During this process, the buffer ring 213 and spring 214 in the intermediate cylinder 21 absorb the vibration and impact force generated by drilling, reducing the overall vibration amplitude of the device. At the same time, the lower dustproof ring 211, upper dustproof ring 222, and sealing ring 223 in the base 2 and top seat 22 effectively prevent dust from entering the device, protecting key components such as the bearing 221 and rail 233, and ensuring stable operation of the device.

[0036] The following points should be noted in this article:

[0037] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0038] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0039] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure.

Claims

1. An automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering, comprising: A partition (1); characterized in that the partition (1) is provided with a circular through hole, a base (2) is installed on the partition (1), an intermediate cylinder (21) is installed above the base (2), a top seat (22) is installed at the upper end of the intermediate cylinder (21), the top seat (22) is connected to the base (2) by bolts, a guide cylinder (23) is installed inside the top seat (22), the intermediate cylinder (21) and the base (2), a bearing (221) is installed inside the top seat (22), the bearing (221) is sleeved on the guide cylinder (23), and the base (2) and the top seat (22) are connected by bolts. A lower dustproof ring (211) and an upper dustproof ring (222) are installed inside. A sealing ring (223) is installed below the upper dustproof ring (222). The sealing ring (223) is located between the intermediate cylinder (21) and the top seat (22). A mounting bracket (212) is installed inside the intermediate cylinder (21). Buffer rings (213) are installed at both the upper and lower ends of the mounting bracket (212). A spring (214) is installed between the two buffer rings (213). Three lower fixing blocks (231) and three upper fixing blocks (232) are fixed on the inner wall of the guide cylinder (23).

2. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 1, characterized in that, The upper fixing block (232) is located directly above the lower fixing block (231), and a rail rod (233) is fixed between the upper fixing block (232) and the lower fixing block (231).

3. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 2, characterized in that, The rail (233) has a movable block (2331) that slides on it, and four rotatable connecting plates (2341) are bolted to the lower fixed block (231), and connecting seats (234) are connected to the four connecting plates (2341).

4. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 3, characterized in that, Two contact wheels (2342) are installed on the connecting seat (234), and an elastic telescopic rod (2332) is connected between the movable block (2331) and the connecting seat (234).

5. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 1, characterized in that, The lower end of the partition (1) is equipped with four mounting seats (11), and the lower end of the mounting seats (11) is equipped with a housing (12) by bolts. The housing (12) is equipped with two spiral columns (121), and gears are installed on the spiral columns (121).

6. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 5, characterized in that, A drive column (111) is installed inside the mounting base (11). A gear is installed at the lower end of the drive column (111). The gear on the drive column (111) meshes with the gears on the two helical columns (121).

7. The automatic deviation correction drilling guide device for anchor bolt hole construction in bridge and tunnel engineering according to claim 6, characterized in that, A bevel gear is fixed to the upper end of the drive column (111), and a rotating rod (112) is mounted on the mounting base (11). A bevel gear and a handwheel (1121) are fixed on the rotating rod (112), and the bevel gear on the rotating rod (112) meshes with the bevel gear on the drive column (111).

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