Auxiliary positioning device for drilling

By combining a guiding system with laser guidance, the problem of inaccurate drill bit positioning during steel pipe drilling was solved, achieving accurate drilling positioning and adaptable fixing of steel pipes of various specifications, thus improving drilling accuracy and efficiency.

CN223802078UActive Publication Date: 2026-01-16SHANGHAI ZHIYI IND CO LTD
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Patent Information

Application Number
CN202520444959.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-16
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In existing technologies, the drill bit is not accurately positioned when drilling steel pipes, which can easily lead to deviation and cannot meet the positioning requirements of steel pipes of different specifications.

Method used

The guide system consists of a support rod, a connecting rod, a guide cylinder, and an indicator rod. It uses a laser pointer to guide the drill bit and adjusts the posture of the pipe fittings through a rotating ring, a toothed ring, and a drive gear. The spacing of the fixed frame is adjusted using a moving plate and a sliding groove to accommodate steel pipes of different lengths.

Benefits of technology

It achieves accurate positioning of the drill hole, avoids deviation, adapts to the fixing of steel pipes of different specifications, simplifies the operation process, and improves the accuracy and efficiency of drilling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drilling auxiliary positioning device which comprises a base, fixing frames are arranged at the two ends of the outer wall of the top of the base, a sliding rail is arranged on one side of the outer wall of the top of the base, a sliding seat is arranged on the outer wall of the sliding rail in a damping sliding fit mode, a supporting rod is fixed to the outer wall of the top of the sliding seat, and a connecting rod is fixed to the side wall of the top of the supporting rod. A guide cylinder is detachably fixed to the outer wall of the top of the end, away from the supporting rod, of the connecting rod, an indicating rod is rotationally connected to the outer wall of the top end of the supporting rod in a damping mode, a laser pen is fixed to the end, away from the supporting rod, of the indicating rod and located below the connecting rod, and the laser pen and the guide cylinder are coaxial. Through the arrangement of the supporting rod, the connecting rod, the guide cylinder and the indicating rod, a drill rod can be guided during drilling, drilling deflection is avoided, and meanwhile whether the guide cylinder is aligned with a drilling point or not can be conveniently confirmed through laser on the indicating rod.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling processing technical field especially relates to a drilling auxiliary positioning device. BACKGROUND

[0002] During the use of the steel pipe in the partial operation process, the steel pipe needs to be drilled to meet the use demand of the steel pipe, and the steel pipe needs to be clamped during the drilling process to prevent the steel pipe from shaking.

[0003] Through the search, the patent with the patent publication number CN221270343U discloses an auxiliary positioning device for steel pipe drilling, which comprises a bottom plate, a movable seat, a limiting plate, a lifting seat, a drilling plate, an auxiliary hole, an adjusting screw rod, a limiting rod and an adjusting assembly.

[0004] The patent can realize the positioning effect of different specifications of steel pipes by the threaded connection between the adjusting rod and the adjusting threaded hole, the rotation of the adjusting threaded hole drives the movable frame to move, the movable frame moves to the direction of the lower clamping seat opposite to it, the clamping groove in the inner side of the movable frame and the clamping groove in the inner side of the lower clamping seat opposite to it clamp and position the lower half of the steel pipe, and the clamping groove in the inner side of the lifting seat and the clamping groove in the inner side of the upper clamping seat opposite to it clamp and position the upper half of the steel pipe, but it cannot position the drill bit, and the positioning of the drill bit during drilling relies on manual operation, which is prone to deviation. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a drilling auxiliary positioning device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A drilling auxiliary positioning device, comprising a base, the outer wall of the top of the base is provided with a fixing frame at both ends, the outer wall of the top of the base is provided with a sliding rail on one side, the outer wall of the sliding rail is provided with a sliding seat in a damping sliding manner, the outer wall of the top of the sliding seat is fixed with a supporting rod, the outer wall of the top of the supporting rod is fixed with a connecting rod, the outer wall of the top of the end of the connecting rod away from the supporting rod is detachably fixed with a guide cylinder, the outer wall of the top end of the supporting rod is connected with an indicating rod in a damping rotating manner, the end of the indicating rod away from the supporting rod is fixed with a laser pen, the indicating rod is below the connecting rod, and the laser pen is coaxial with the guide cylinder.

[0008] As a further scheme of the utility model: the supporting rod comprises a telescopic cylinder and a guide rod, the guide rod is fixed to the outer wall of the top of the sliding seat, and the telescopic cylinder is longitudinally limited and slidably connected to the outer wall of the guide rod.

[0009] As a further scheme of the utility model: the opposite sides of the guide rod are provided with limiting ball heads matched with the transverse sliding of the guide rod, springs connected with the limiting ball heads at both ends are arranged between the two limiting ball heads, a plurality of limiting grooves are oppositely arranged on the inner wall of the telescopic cylinder, the limiting grooves on the same side are arranged in a straight line, and the limiting ball heads are matched with the limiting grooves.

[0010] As a further scheme of the utility model: the inner wall of the fixing frame is rotationally connected with a rotating ring, the inner wall of the rotating ring is oppositely provided with a clamping plate, the clamping plate is fixedly connected with a connecting plate at both sides, and the rotating ring is provided with an avoiding groove matched with the sliding of the connecting plate.

[0011] As a further scheme of the utility model: the outer wall of the rotating ring is oppositely fixed with a fixed plate, a bidirectional screw rod is rotationally connected with the fixed plate on one side of the rotating ring, a sliding rod is rotationally connected with the fixed plate on the other side of the rotating ring, the connecting plate on the same side as the bidirectional screw rod is threadedly matched with the bidirectional screw rod, the connecting plate on the same side as the sliding rod is slidably matched with the outer wall of the sliding rod, and the bidirectional screw rod is connected with a clamping motor at one end.

[0012] As a further scheme of the utility model: the outer wall of the rotating ring is fixed with a gear ring, the inner wall of the fixing frame is rotationally connected with a driving gear meshed with the gear ring, and the rotating shaft of the driving gear is connected with a driving motor at one end.

[0013] As a further scheme of the utility model: one fixing frame is fixedly connected with a moving plate, a sliding groove is formed in the outer wall of the top end of the base, the moving plate is slidably matched with the inner wall of the sliding groove, the top end of the moving plate is threadedly connected with a bolt, a plurality of limiting holes arranged in a straight line are formed in the inner wall of the bottom end of the sliding groove, and the bottom end of the bolt is inserted into the limiting hole.

[0014] Compared with the prior art, the utility model provides a kind of drilling auxiliary positioning device, with the following beneficial effects:

[0015] 1. The utility model, by being provided with support rod, connecting rod, guide cylinder and indicating rod, can guide drill rod when drilling, avoid drilling to incline, and the laser on indicating rod can be used to confirm whether guide cylinder is aligned with drilling point.

[0016] 2. The utility model, by being provided with rotating ring, gear ring and driving gear, can adjust the attitude of pipe fitting after fixing pipe fitting, without adjusting the attitude of pipe fitting after removing the fixation of pipe fitting.

[0017] 3. The utility model, by being provided with moving plate, sliding groove and bolt, can adjust the distance between two fixing frames, so that fixing frame can fix the two ends of pipe fitting with different lengths.

[0018] The part not involved in the device is the same as or can be realized by the prior art, the drilling auxiliary positioning device is simple in structure and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of a drilling auxiliary positioning device is provided for the drilling auxiliary positioning device.

[0020] Figure 2 A schematic diagram of the local structure of a drilling auxiliary positioning device is provided for the drilling auxiliary positioning device.

[0021] Figure 3 A schematic diagram of the internal structure of a support rod of a drilling auxiliary positioning device is provided for the drilling auxiliary positioning device.

[0022] Figure 4 A schematic diagram of the driving structure of a rotating ring of a drilling auxiliary positioning device is provided for the drilling auxiliary positioning device.

[0023] In the figure: 1, base; 2, fixed frame; 3, slide rail; 4, slide base; 5, support rod; 6, connecting rod; 7, guide cylinder; 8, indicating rod; 9, rotating ring; 10, clamping plate; 11, connecting plate; 12, two-way threaded rod; 13, sliding rod; 14, telescopic cylinder; 15, guide rod; 16, limit ball head; 17, spring; 18, limit groove; 19, gear ring; 20, driving gear; 21, moving plate; 22, slide groove; 23, bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0025] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "in", "out" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0026] Embodiment 1

[0027] A drilling auxiliary positioning device, such as Figures 1 to 4As shown, including the base 1, the base 1 top outer wall both ends are provided with fixed frame 2, the base 1 top outer wall is provided with slide rail 3, the slide rail 3 outer wall damping sliding fit has sliding seat 4, sliding seat 4 top outer wall is fixed with support rod 5, support rod 5 top side wall is fixed with connecting rod 6, connecting rod 6 away from support rod 5 one end top outer wall is detachably fixed with guide cylinder 7, support rod 5 top end outer wall damping rotation connecting has indicating rod 8, indicating rod 8 away from support rod 5 one end is fixed with laser pointer, indicating rod 8 is below connecting rod 6, and the laser pointer is coaxial with the guide cylinder 7, the support rod 5 includes telescopic cylinder 14 and guide rod 15, the guide rod 15 is fixed to the top outer wall of the sliding seat 4, the telescopic cylinder 14 is longitudinally limited sliding fit on the outer wall of the guide rod 15, the guide rod 15 both sides are provided with limiting ball head 16 which is transversely sliding fit with the guide rod 15, two limiting ball head 16 are provided with spring 17 which is connected with the limiting ball head 16 at both ends, a plurality of limiting grooves 18 are oppositely formed in the inner wall of the telescopic cylinder 14, the limiting grooves 18 located on the same side are arranged in a straight line, and the limiting ball head 16 is limitedly fitted with the limiting groove 18.

[0028] The inner wall of the fixed frame 2 is rotationally connected with a rotating ring 9, the inner wall of the rotating ring 9 is oppositely provided with a clamping plate 10, the clamping plate 10 is fixedly connected with a connecting plate 11 on both sides, the side wall of the rotating ring 9 is provided with an avoiding slot which is slidingly fitted with the connecting plate 11, the outer wall of the rotating ring 9 is oppositely fixed with a fixed plate, the fixed plate on one side of the rotating ring 9 is rotationally connected with a bidirectional threaded rod 12, the fixed plate on the other side of the rotating ring 9 is rotationally connected with a sliding rod 13, the connecting plate 11 on the same side as the bidirectional threaded rod 12 is threadedly fitted with the bidirectional threaded rod 12, the connecting plate 11 on the same side as the sliding rod 13 is slidingly fitted with the outer wall of the sliding rod 13, one end of the bidirectional threaded rod 12 is connected with a clamping motor, the outer wall of the rotating ring 9 is fixed with a gear ring 19, the inner wall of the fixed frame 2 is rotationally connected with a driving gear 20 which is in transmission engagement with the gear ring 19, one end of the rotating shaft of the driving gear 20 is connected with a driving motor.

[0029] During drilling, the pipe fitting is inserted into the rotating ring 9, with the clamping plate 10 positioned outside the pipe fitting. The clamping motor drives the bidirectional threaded rod 12 to rotate, causing the connecting plate 11 to move the clamping plate 10 relative to the bidirectional threaded rod 12 and the slide rod 13. The clamping plate 10 clamps the pipe fitting. Then, according to the specifications of the drill rod, the corresponding guide cylinder 7 is selected and installed on the connecting rod 6. The indicator rod 8 is then rotated to move the laser pointer fixed to it below the guide cylinder 7. By observing the laser spot on the pipe fitting, it can be determined whether the guide cylinder 7 corresponds to the drilling point. By pushing the slide block 4 along the slide rail 3, the guide cylinder 7 can be moved above the drilling point. Then push the indicator rod 8 to one side to misalign it with the connecting rod 6. Then push the telescopic cylinder 14 downward. The limiting ball head 16 is squeezed into the guide rod 15 by the inner wall of the limiting groove 18. The spring 17 is compressed and deformed. At this time, the telescopic cylinder 14 can move relative to the guide rod 15, shortening the length of the support rod 5. Let the bottom of the connecting rod 6 abut against the outer wall of the pipe. Then the drill rod can be inserted into the guide cylinder 7 for drilling. When the straight line of the drilling point on the surface of the pipe is not below the guide cylinder 7, the drive motor drives the drive gear 20 to rotate. Through the transmission of the drive gear 20 and the gear ring 19, the rotating ring 9 is rotated, causing the pipe to rotate.

[0030] By setting up a support rod 5, a connecting rod 6, a guide cylinder 7, and an indicator rod 8, the drill rod can be guided during drilling to avoid deviation during drilling. At the same time, the laser on the indicator rod 8 can easily confirm whether the guide cylinder 7 is aligned with the drilling point.

[0031] By incorporating a rotating ring 9, a toothed ring 19, and a drive gear 20, the posture of the pipe fitting can be adjusted immediately after it has been fixed, eliminating the need to remove the fixing mechanism before adjusting the posture.

[0032] Example 2

[0033] A drilling auxiliary positioning device, this embodiment is based on embodiment 1, with the following improvements, such as... Figure 1 As shown, a fixed frame 2 has a movable plate 21 fixedly connected to its bottom end. A sliding groove 22 is provided on the outer wall of the top end of the base 1. The movable plate 21 slides in cooperation with the inner wall of the sliding groove 22. A bolt 23 is threadedly connected to the top end of the movable plate 21. A plurality of linearly arranged limiting holes are provided on the inner wall of the bottom end of the sliding groove 22. The bottom end of the bolt 23 is inserted into the limiting holes.

[0034] Before fixing the pipe fitting, rotate the bolt 23 upwards, and the bottom end of the bolt 23 disengages from the limiting hole. At this time, the moving plate 21 can slide along the slide groove 22, changing the distance between the two fixing frames 2, so that the fixing frames 2 can fix the two ends of pipe fittings of different lengths.

[0035] Through setting the moving plate 21, the sliding groove 22 and the bolt 23, the distance between the two fixing frames 2 can be adjusted, so that the fixing frame 2 can fix the two ends of the pipe with different lengths.

[0036] Working principle: when drilling, rotate the bolt 23 upward, the bottom end of the bolt 23 is separated from the limiting hole, at this time the moving plate 21 can slide along the sliding groove 22, change the distance between the two fixing frames 2, so that the fixing frame 2 can fix the two ends of the pipe with different lengths, then insert the pipe into the rotating ring 9, the clamp plate 10 is located outside the pipe, the clamping motor drives the bidirectional threaded rod 12 to rotate, the connecting plate 11 drives the clamp plate 10 to move along the bidirectional threaded rod 12 and the sliding rod 13, the clamp plate 10 clamps the pipe, then according to the specification of the drill pipe for drilling, select the corresponding guide cylinder 7 to be installed on the connecting rod 6, then rotate the indicating rod 8 to move the laser pen fixed on the indicating rod 8 to the lower side of the guide cylinder 7, through observing the light spot of the laser on the pipe, it can be determined whether the guide cylinder 7 corresponds to the drilling point, through pushing the sliding seat 4 to move along the slide rail 3, the guide cylinder 7 can be moved to the upper side of the drilling point, then push the indicating rod 8 to one side, make the indicating rod 8 and the connecting rod 6 dislocate, then push the telescopic cylinder 14 to move downward, the limiting ball head 16 is compressed into the guide rod 15 by the extrusion of the inner wall of the limiting groove 18, the spring 17 is compressed and deformed, at this time the telescopic cylinder 14 can move relative to the guide rod 15, shorten the length of the supporting rod 5, make the bottom of the connecting rod 6 abut against the outer wall of the pipe, then the drill pipe can be inserted into the guide cylinder 7 for drilling; when the straight line of the drilling point on the surface of the pipe does not pass through the lower side of the guide cylinder 7, drive the motor to drive the driving gear 20 to rotate, through the transmission of the driving gear 20 and the gear ring 19, make the rotating ring 9 rotate, make the pipe rotate.

[0037] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the inventive concept of the present application can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drilling aid positioning device comprising a base (1), characterized in that, The both ends of the top outer wall of the base (1) are provided with fixing frames (2), one side of the top outer wall of the base (1) is provided with a slide rail (3), the outer wall of the slide rail (3) is provided with a sliding seat (4) in a damping sliding fit, the top outer wall of the sliding seat (4) is fixedly provided with a supporting rod (5), the top side wall of the supporting rod (5) is fixedly provided with a connecting rod (6), the top outer wall of the end of the connecting rod (6) away from the supporting rod (5) is detachably fixedly provided with a guide cylinder (7), the top end outer wall of the supporting rod (5) is provided in a damping rotary connection with an indicating rod (8), the end of the indicating rod (8) away from the supporting rod (5) is fixedly provided with a laser pen, the indicating rod (8) is below the connecting rod (6), and the laser pen is coaxial with the guide cylinder (7).

2. A drill hole auxiliary positioning device according to claim 1, wherein, The supporting rod (5) comprises a telescopic cylinder (14) and a guide rod (15), the guide rod (15) is fixed to the top outer wall of the sliding seat (4), and the telescopic cylinder (14) is provided in a longitudinal limiting sliding fit on the outer wall of the guide rod (15).

3. A drill hole auxiliary positioning device according to claim 2, wherein, The guide rod (15) is provided with limiting ball heads (16) in a transverse sliding fit with the guide rod (15) at opposite sides, the two limiting ball heads (16) are provided with springs (17) connected with the limiting ball heads (16) at two ends, and a plurality of limiting grooves (18) are oppositely formed in the inner wall of the telescopic cylinder (14), the limiting grooves (18) at the same side are arranged in a straight line, and the limiting ball heads (16) are provided in a limiting fit with the limiting grooves (18).

4. The drill hole auxiliary positioning device according to claim 1, characterized in that, The inner wall of the fixing frame (2) is rotatably connected with a rotating ring (9), the inner wall of the rotating ring (9) is oppositely provided with clamping plates (10), the clamping plates (10) are fixedly connected with connecting plates (11) at two sides, and the side wall of the rotating ring (9) is provided with avoiding grooves in a sliding fit with the connecting plates (11).

5. A drill hole auxiliary positioning device according to claim 4, wherein, The outer wall of the rotating ring (9) is oppositely fixedly provided with fixed plates, the fixed plates on one side of the rotating ring (9) are rotatably connected with bidirectional threaded rods (12), the fixed plates on the other side of the rotating ring (9) are rotatably connected with slide rods (13), the connecting plates (11) on the same side as the bidirectional threaded rods (12) are in a threaded fit with the bidirectional threaded rods (12), the connecting plates (11) on the same side as the slide rods (13) are in a sliding fit with the outer wall of the slide rods (13), and one end of the bidirectional threaded rod (12) is connected with a clamping motor.

6. A drill hole auxiliary positioning device according to claim 5, wherein, The outer wall of the rotating ring (9) is fixedly provided with a gear ring (19), the inner wall of the fixing frame (2) is rotatably connected with a driving gear (20) in a transmission engagement with the gear ring (19), and one end of the rotating shaft of the driving gear (20) is connected with a driving motor.

7. A drill hole auxiliary positioning device according to claim 1, wherein One end of the fixing frame (2) is fixedly connected with a moving plate (21), the top end outer wall of the base (1) is provided with a sliding groove (22), the moving plate (21) is in a sliding fit with the inner wall of the sliding groove (22), the top end of the moving plate (21) is threadedly connected with a bolt (23), the bottom end inner wall of the sliding groove (22) is provided with a plurality of limiting holes arranged in a straight line, and the bottom end of the bolt (23) is inserted into the limiting hole.

Citation Information

Patent Citations

  • Auxiliary positioning device for steel pipe drilling

    CN221270343U