A device for assisting in pipe positioning and drilling

By designing a pipe positioning device with left clamp, right clamp, and elastic expansion component, the problem that existing devices can only be applied to pipes of the same diameter is solved, realizing applicability to pipes of different diameters and precise positioning for continuous drilling is achieved.

CN224424343UActive Publication Date: 2026-06-30THE FOURTH ENG CO LTD OF CHINA RAILWAYNO 20 BUREAU GRP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE FOURTH ENG CO LTD OF CHINA RAILWAYNO 20 BUREAU GRP
Filing Date
2025-07-13
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing pipe drilling devices are only applicable to pipes of the same diameter, which reduces their practicality.

Method used

A device comprising a left clamp, a right clamp, an elastic expansion component, a sliding block, and a positioning cylinder was designed. The elastic expansion component clamps the pipe, and the sliding block and positioning cylinder work together to achieve positioning and continuous drilling of pipes of different diameters.

Benefits of technology

It is applicable to pipes of different diameters within a certain range, which improves the practicality of the device and enables precise positioning for continuous drilling on the same radial plane.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of pipe positioning and drilling technology, specifically a device for assisting in pipe positioning and drilling. The device includes a left clamp, a right clamp hinged to the end of the left clamp, and a locking assembly for fixing the left and right clamps together. Both the left and right clamps have internal elastic expansion components for gripping the pipe. Sliding blocks are slidably connected to both the left and right clamps, with a support column slidably connected to the upper end of each sliding block. A positioning cylinder is fixedly connected to the upper end of the support column. Graduation lines are provided on the upper surfaces of both the left and right clamps. Within a certain range, this device can be applied to pipes of different diameters, improving its practicality. When drilling continuously on the same radial plane, the position of the positioning cylinder can be moved, facilitating the operator's positioning of the drilling location.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline positioning and drilling technology, specifically to a device for assisting pipeline positioning and drilling. Background Technology

[0002] Pipelines often require drilling at different locations during installation and use. Drilling is usually done at a specific point in the pipeline depending on the actual situation. However, in the current pipeline drilling process, manual hand-held electric drills are often used to drill holes directly at various locations in the pipeline. This method usually ensures the accuracy of the drilling location.

[0003] Chinese Patent 202323047709.0 discloses "A Drilling Positioning Device" (Publication No. CN 221018818 U), which describes the device's path and drilling positioning frame, wherein: the lower fixing hoop and the upper fixing hoop are...

[0004] The device is fixedly installed at two positions on the surface of the pre-drilled pipe, with the sliding path fixed between the lower and upper fixing clamps. The drilling positioning frame is slidably installed on the surface of the sliding path. However, this device has some drawbacks: the size of the lower and upper fixing clamps is not adjustable, and the device can only be used for pipes of the same diameter, reducing its practicality. Utility Model Content

[0005] To address the problems of the prior art, this utility model provides an auxiliary device for pipe positioning and drilling, which can be applied to pipes of different diameters within a certain range, thus improving the practicality of the device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for assisting in pipe positioning and drilling, comprising a left clamp, a right clamp hinged to the end of the left clamp, and a locking assembly for fixing the left and right clamps together. Both the left and right clamps are internally provided with elastic expansion assemblies for gripping the pipe. Sliding blocks are slidably connected to both the left and right clamps, with a support column slidably connected to the upper end of each sliding block. A positioning cylinder is fixedly connected to the upper end of the support column. Graduation lines are provided on the upper surfaces of both the left and right clamps.

[0007] The above structural design can be applied to pipes of different diameters within a certain range, thus improving the practicality of the device.

[0008] Preferably, the elastic expansion assembly includes compression springs disposed on the inner sidewalls of the left and right clamps, and a pad fixedly connected to the end of the compression springs. Multiple sets of compression springs are disposed on the inner sidewalls of both the left and right clamps, and a first anti-slip pad is fixedly connected to the outer sidewall of the pad.

[0009] With the above structural design, the spring generates pressure on the pipe after elastic deformation, causing the device to grip the pipe tightly. The spring can deform, and within a certain range, the device can be applied to pipes of different diameters.

[0010] Preferably, the sliding block is a groove structure with an inner opening, an arc-shaped slider is fixed on the groove wall of the sliding block, and arc-shaped grooves matching the arc-shaped slider are opened on both the left and right clamps, and a first abutting bolt is passed through the sliding block.

[0011] With the above structural design, when it is necessary to drill holes continuously on the same radial plane of the pipeline, the sliding block can be moved and fixed according to the scale lines.

[0012] Preferably, the support column is fixedly connected to the slide plate, the slide plate is slidably connected to the matching guide groove, and a second abutting bolt is inserted through the groove wall of the guide groove.

[0013] Using the above structural design, the sliding plate is moved so that one end of the positioning cylinder is in contact with the pipe. After the positioning cylinder contacts the pipe, the second abutment bolt is turned to fix the sliding plate.

[0014] Preferably, the locking assembly includes a left locking plate fixedly connected to the left clamp, a right locking plate fixedly connected to the right clamp, and a locking bolt passing through the left locking plate, wherein the right locking plate has a through hole corresponding to the locking bolt.

[0015] The above structural design makes it easy to fix the left and right clamps together after they are closed.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] Within a certain range, this device can be applied to pipes of different diameters, which improves its practicality. When the pipe is continuously drilled on the same radial plane, the position of the positioning cylinder can be moved to facilitate the operator in positioning the drilling position. Attached Figure Description

[0018] Figure 1 This is a top view of the structure of this utility model;

[0019] Figure 2 This is a front view structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the sliding block and positioning cylinder of this utility model; Detailed Implementation

[0021] Please see Figure 1 , Figure 2 , Figure 3This utility model provides a technical solution: a device for assisting in pipe positioning and drilling, including a left clamp 1, a right clamp 2 hinged to the end of the left clamp 1, and a locking component for fixing the left clamp 1 and the right clamp 2. Both the left clamp 1 and the right clamp 2 are provided with elastic expansion components for gripping the pipe. Sliding blocks 3 are slidably connected to both the left clamp 1 and the right clamp 2. The upper end of the sliding block 3 is slidably connected to a support column 41. The upper end of the support column 41 is fixedly connected to a positioning cylinder 42. The upper surfaces of both the left clamp 1 and the right clamp 2 are provided with scale lines.

[0022] The positioning cylinder 42 is used to restrict the forward direction of the drill bit, so that the drill bit moves along the radial direction of the pipe and prevents the drill bit from deviating.

[0023] The elastic expansion assembly includes compression springs 51 disposed on the inner walls of the left clamp 1 and the right clamp 2, and pads 52 fixedly connected to the ends of the compression springs 51. Multiple sets of compression springs 51 are disposed on the inner walls of both the left clamp 1 and the right clamp 2. A first anti-slip pad 53 is fixedly connected to the outer wall of the pad 52. Ideally, the compression springs 51 provide only radial force. To prevent the compression springs 51 from bending and from being affected by axial forces, a telescopic rod is disposed inside the compression springs 51. Telescopic rods are fixedly connected inside both the left clamp 1 and the right clamp 2. The other end of the telescopic rod is fixedly connected to the pad 52. The telescopic rod is formed by two rods of different diameters nested together. The smaller diameter rod can slide freely within the larger diameter rod. The smaller diameter rod is fixedly connected to the pad 52, and the larger diameter rod is fixedly connected to both the left clamp 1 and the right clamp 2.

[0024] In this embodiment, six sets of compression springs 51, pads 52 and first anti-slip pads 53 are provided, and three sets of compression springs 51, pads 52 and first anti-slip pads 53 are respectively provided on the left clamp 1 and the right clamp 2.

[0025] The sliding block 3 is a groove structure with an inner opening. The left clamp 1 and the right clamp 2 together form a ring structure. The sliding block 3 is a groove structure that matches the curvature of the left clamp 1 and the right clamp 2. An arc-shaped slider 31 is fixed on the groove wall of the sliding block 3. Arc-shaped grooves 32 that match the arc-shaped slider 31 are opened on both the left clamp 1 and the right clamp 2. A first abutting bolt 33 passes through the sliding block 3.

[0026] The support column 41 is fixedly connected to the slide plate 45, and the slide plate 45 is slidably connected to the matching guide groove 46. A second abutting bolt 47 is inserted through the groove wall of the guide groove 46.

[0027] The bottom ends of the first contact bolt 33 and the second contact bolt 47 are both fixedly connected to the second anti-slip pad.

[0028] The locking assembly includes a left locking plate 61 fixedly connected to the left clamp 1, a right locking plate 62 fixedly connected to the right clamp 2, and a locking bolt 63 passing through the left locking plate 61. The right locking plate 62 has a through hole corresponding to the locking bolt 63.

[0029] Working principle: First, the worker puts the left clamp 1 and the right clamp 2 on the pipe, moves the left clamp 1 and the right clamp 2 so that the positioning cylinder 42 corresponds to the drilling position. Next, the worker passes the locking bolt through the left locking plate 61 and the right locking plate 62 in sequence, and then installs the nut on the locking bolt 63 for tightening. The pad 52 contacts the outer wall of the pipe, and the compression spring 51 undergoes elastic deformation. The compression spring 51 causes the pad 52 to exert pressure on the pipe, thereby supporting the left clamp 1 and the right clamp 2 on the pipe.

[0030] In the second step, the worker moves the slide plate 45 and pushes it so that the positioning cylinder 42 comes into contact with the surface of the pipe. Next, the worker rotates the second abutment bolt 47 so that the end of the second abutment bolt 47 abuts against the slide plate 45, thereby pressing the slide plate 45 to prevent it from moving. When it is necessary to drill holes continuously on the same radial plane of the pipe, the worker first loosens the first abutment bolt 33, then moves the sliding block 3, and moves the positioning cylinder 42 to the designated drilling position according to the scale line. The worker then tightens the first abutment bolt 33 so that it presses against the left clamp 1, thereby preventing the sliding block 3 from moving.

[0031] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the scope of this utility model and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this utility model, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this utility model's implementation.

[0032] The present invention has been described above with reference to preferred embodiments, but the scope of protection of the present invention is not limited thereto. All technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications can be made to the present invention, and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way.

Claims

1. A device for assisting in pipe positioning and drilling, comprising a left clamp (1), a right clamp (2) hinged to the end of the left clamp (1), and a locking assembly for fixing the left clamp (1) and the right clamp (2) together, characterized in that: Both the left clamp (1) and the right clamp (2) are equipped with elastic expansion components for clamping the pipe; both the left clamp (1) and the right clamp (2) are slidably connected to sliding blocks (3), the upper end of the sliding block (3) is slidably connected to a support column (41), the upper end of the support column (41) is fixedly connected to a positioning cylinder (42), and the upper surface of both the left clamp (1) and the right clamp (2) is provided with scale lines.

2. The device for auxiliary pipe positioning and drilling according to claim 1, characterized in that: The elastic expansion assembly includes compression springs (51) disposed on the inner sidewalls of the left clamp (1) and the right clamp (2), and a pad (52) fixedly connected to the end of the compression springs (51). Multiple sets of compression springs (51) are disposed on the inner sidewalls of the left clamp (1) and the right clamp (2), and a first anti-slip pad (53) is fixedly connected to the outer sidewall of the pad (52).

3. The device for auxiliary pipe positioning and drilling according to claim 1, characterized in that: The sliding block (3) is a groove structure with an inner opening. An arc-shaped slider (31) is fixed on the groove wall of the sliding block (3). An arc-shaped groove (32) matching the arc-shaped slider (31) is opened on the left clamp (1) and the right clamp (2). A first abutting bolt (33) is passed through the sliding block (3).

4. The device for auxiliary pipe positioning and drilling according to claim 1, characterized in that: The support column (41) is fixedly connected to the slide plate (45), and the slide plate (45) is slidably connected to the matching guide groove (46), and a second abutting bolt (47) is inserted through the groove wall of the guide groove (46).

5. The device for auxiliary pipe positioning and drilling according to any one of claims 1 to 4, characterized in that: The locking assembly includes a left locking plate (61) fixedly connected to the left clamp (1), a right locking plate (62) fixedly connected to the right clamp (2), and a locking bolt (63) passing through the left locking plate (61). A through hole corresponding to the locking bolt (63) is provided on the right locking plate (62).