Orifice positioning device of directional drill

By designing a positioning ring and clamping mechanism for the borehole positioning device, the problems of inaccurate positioning of the directional drilling borehole and dependence on electrical components were solved, achieving stable clamping and convenient manual operation, and improving the adaptability and reliability of the equipment.

CN223806099UActive Publication Date: 2026-01-16XIAN HI-TECH ZONE THERMAL CO LTD
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Patent Information

Application Number
CN202520000088.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-01
Publication Date
2026-01-16
Estimated Expiration
2035-01-01

AI Technical Summary

Technical Problem

The gears and gear rings of existing directional drilling orifice positioning devices are easily worn by dust and impurities, affecting the clamping effect. In addition, the electrical drive depends on power supply, and the equipment cannot start when the power is insufficient.

Method used

A borehole positioning device including a positioning ring, a positioning sleeve, and a clamping mechanism was designed. The positioning ring is fixed by a rod, and the sliding sleeve and return spring of the clamping mechanism are used to achieve stable clamping of drill rods of different sizes, avoiding gear exposure, and using manual operation instead of electrical drive.

Benefits of technology

The adaptability and stability of the positioning sleeve have been improved, gear wear has been avoided, and the drill bit can be quickly positioned and removed without electricity, thus improving the reliability and ease of operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an orifice positioning device of a directional drill, which comprises a positioning ring, a positioning sleeve is mounted at the top of the positioning ring, an inner cylinder is fixedly mounted in the positioning sleeve, and a clamping mechanism is arranged in the positioning sleeve. According to the orifice positioning device of the directional drill, firstly, the positioning ring is placed at a to-be-punched position to be attached to the ground, an orifice is coaxial with an opening of the positioning sleeve, at the moment, the insertion rod is inserted into the ground, stability of the positioning ring and the positioning sleeve is guaranteed, and then a drill rod of the directional drill drives a drill bit to penetrate through the positioning sleeve and the positioning ring; a user pushes the two orientation rods in the opposite directions to enable the two clamping plates to stably clamp a drill rod, the two adjusting screw rods are rotated to lock the orientation rods, so that the drill bit can be prevented from deviating during drilling, after use is completed, the locking screw rods are rotated to loosen the orientation rods, at the moment, the two sets of reset springs are reset rapidly, and the drill rod is prevented from deviating. And the two clamping plates can be driven to move in opposite directions, so that the drill bit can be conveniently and quickly taken out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to directional drilling technical field, concretely is a hole mouth positioning device of directional drilling. BACKGROUND

[0002] Directional drilling is a pipeline construction technology in engineering technology industry, is generally more for petroleum, natural gas and some municipal pipeline construction, carries out positioning drilling, reaming, hole cleaning, pipeline back drag etc. After process by large directional drilling machine, carries out pipeline construction, when directional drilling carries out drilling, the position of hole mouth needs real -time to determine, thereby avoids the deviation of drilling, thereby influences the normal engineering to carry out.

[0003] For example, the hole mouth positioning device of directional drilling of Chinese patent No. CN221194955U, the utility model discloses a drive gear ring drives the rotation of the drive gear, the drive gear drives the rotation of the threaded rod, the threaded rod drives the linear motion of the sliding sleeve, the sliding sleeve drives the relative motion of the clamping plate relative to the positioning sleeve, can realize the quick positioning of directional drilling drill rod, the relative motion of at least two clamping plates can be realized simultaneously by rotating the drive gear, the gear and the gear ring are exposed to dust and impurities in the process of using, long -term use can make the gear and the gear ring wear seriously, thereby influence the clamping effect of equipment, make hole mouth positioning inaccurate, in addition, the start of the gear needs the drive of electric equipment, thereby needs to prepare power supply device, once the power is insufficient, the equipment will not start, therefore a hole mouth positioning device of directional drilling is provided to solve the problems proposed above. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the hole mouth positioning device of directional drilling has the advantages of simple structure and convenient operation, solves the problems that the gear and the gear ring are exposed to dust and impurities in the process of using, long -term use can make the gear and the gear ring wear seriously, thereby influence the clamping effect of equipment, make hole mouth positioning inaccurate, in addition, the start of the gear needs the drive of electric equipment, thereby needs to prepare power supply device, once the power is insufficient, the equipment will not start.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hole mouth positioning device of directional drilling, including the positioning ring, the top of positioning ring is installed with the positioning sleeve, the inside fixed mounting of positioning sleeve has the inner tube, the inside of positioning sleeve is provided with the clamping mechanism;

[0006] The clamping mechanism comprises a fixed plate, the inside of the positioning sleeve is provided with the fixed plate, the inside of the fixed plate is provided with a limiting rod, the outside of the limiting rod is sleeved with a sliding sleeve, the outside of the limiting rod is sleeved with a reset spring, the outside of the sliding sleeve is hinged with a pull rod, the inside of the inner cylinder is provided with two clamping plates, the opposite sides of the two clamping plates are connected with directional rods, and the inside of the directional rod is provided with an adjusting screw rod.

[0007] Further, the bottom of the positioning ring is provided with an insertion rod, the number of the fixed plates is two, and the opposite sides of the two fixed plates are connected with the inner walls of the left and right sides of the positioning sleeve respectively.

[0008] Further, the two limiting rods are located in the inside of the two fixed plates respectively, the sliding sleeves are four in total, and the four sliding sleeves are divided into two groups, and the number of the sliding sleeves in each group is two.

[0009] Further, the two limiting rods penetrate through the two groups of sliding sleeves respectively, and the four reset springs are connected with the four sliding sleeves respectively.

[0010] Further, the four pull rods away from the sides of the two clamping plates are hinged with the four sliding sleeves respectively, and the two directional rods away from the sides of the two clamping plates extend to the outside of the positioning sleeve.

[0011] Further, the inside of the directional rod is provided with a positioning hole, the left and right sides of the positioning sleeve are provided with transverse plates, and the two adjusting screw rods penetrate through the transverse plates and are in threaded connection with the directional rod.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] The orifice positioning device of the directional drill is characterized in that the positioning ring is placed in close contact with the ground at the position to be drilled, the insertion rod is inserted into the ground, the stability of the positioning ring and the positioning sleeve is ensured, the clamping mechanism is provided, the structures of the clamping mechanism are matched with each other, the directional drill screw rod of different sizes can be fixed, and therefore the positioning sleeve has higher adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model;

[0015] Figure 2 It is a sectional view schematic view of the utility model;

[0016] Figure 3 It is a clamping mechanism schematic view of the utility model;

[0017] Figure 4 It is a three-dimensional schematic view of the utility model Figure 2Enlarged view at A.

[0018] In the figure: 1 positioning ring, 2 positioning sleeve, 3 inner cylinder, 4 clamping mechanism, 401 fixed plate, 402 limiting rod, 403 sliding sleeve, 404 reset spring, 405 pull rod, 406 clamping plate, 407 directional rod, 408 locking screw, 5 insertion rod, 6 positioning hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 A hole positioning device of directional drilling, comprising a positioning ring 1, the top of the positioning ring 1 is provided with a positioning sleeve 2, the inside of the positioning sleeve 2 is fixedly provided with an inner cylinder 3, and the inside of the positioning sleeve 2 is provided with a clamping mechanism 4.

[0021] The clamping mechanism 4 comprises a fixed plate 401, a limiting rod 402, a sliding sleeve 403, a reset spring 404, a pull rod 405, a clamping plate 406, a directional rod 407 and a locking screw 408, the inside of the positioning sleeve 1 is provided with the fixed plate 401, the inside of the fixed plate 401 is provided with the limiting rod 402, the outside of the limiting rod 402 is sleeved with the sliding sleeve 403, the outside of the limiting rod 402 is sleeved with the reset spring 404, the outside of the sliding sleeve 403 is hinged with the pull rod 405, the inside of the inner cylinder 3 is provided with two clamping plates 406, the opposite sides of the two clamping plates 406 are connected with the directional rod 407, and the inside of the directional rod 407 is provided with the adjusting screw 408.

[0022] In Figure 1 and Figure 2 , the bottom of the positioning ring 1 is provided with an insertion rod 5, the positioning ring 1 is placed at the position to be drilled and is attached to the ground, at this time, the insertion rod 5 is inserted into the ground, so that the stability of the positioning ring 1 and the positioning sleeve 2 can be ensured.

[0023] In Figure 1 and Figure 2In, by setting the clamping mechanism 4, the structure of the clamping mechanism 4 cooperates with each other, that is, the purpose of fixing the directional drilling screw of different sizes is achieved, so that the positioning sleeve 2 has higher adaptability, the number of the fixing plate 401 is two, the opposite sides of the two fixing plates 401 are connected with the inner walls of the left and right sides of the positioning sleeve 2 respectively, the two limiting rods 402 are located in the interiors of the two fixing plates 401 respectively, the sliding sleeve 403 is four, the four sliding sleeves 403 are divided into two groups, and the number of each group of sliding sleeves 403 is two.

[0024] In Figure 1 and Figure 3 , the two limiting rods 402 respectively penetrate the two groups of sliding sleeves 403, the four reset springs 404 are respectively connected with the four sliding sleeves 403, by setting the sliding sleeve 403, when the user pulls the directional rod 407 in the opposite direction, the sliding sleeve 403 will drive the pull rod 405 to move synchronously, ensuring the stability of the two clamping plates 406.

[0025] In Figure 2 and Figure 3 , the four pull rods 405 away from the one side of the two clamping plates 406 are respectively hinged with the four sliding sleeves 403, the two directional rods 407 away from the one side of the two clamping plates 406 are extended to the outside of the positioning sleeve 2, when the use is completed, the locking screw 408 is rotated to loosen the directional rod 407, at this time, the two groups of reset springs 404 are quickly reset, which can drive the two clamping plates 406 to move in the opposite direction, so as to facilitate the quick removal of the drill bit.

[0026] In Figure 2 and Figure 4 , the inside of the directional rod 407 is provided with a positioning hole 6, the left and right sides of the positioning sleeve 2 are both provided with a horizontal plate, and the two adjusting screws 408 penetrate the horizontal plate and are screwed with the directional rod 407.

[0027] In summary, the hole positioning device of the directional drilling, by setting the fixing plate 401 to fix the limiting rod 402, by setting the sliding sleeve 403, when the user pulls the directional rod 407 in the opposite direction, the sliding sleeve 403 will drive the pull rod 405 to move synchronously, ensuring the stability of the two clamping plates 406, by setting the reset spring 404, when the use is completed, the locking screw 408 is rotated to loosen the directional rod 407, at this time, the two groups of reset springs 404 are quickly reset, which can drive the two clamping plates 406 to move in the opposite direction, so as to facilitate the quick removal of the drill bit.

[0028] And, in use, first, the positioning ring 1 is placed in the position to be punched and is attached to the ground, the orifice is coaxial with the opening of the positioning sleeve 2, at this time the insertion rod 5 is inserted into the ground, ensuring the stability of the positioning ring 1 and the positioning sleeve 2, then the drill rod of the directional drill drives the drill bit to penetrate the positioning sleeve 2 and the positioning ring 1, then the two directional rods 407 are pushed in opposite directions by the user, so that the two clamping plates 406 can clamp and stabilize the drill rod, then the directional rods 407 are locked by rotating the two adjusting screws 408, so that the drill bit can be prevented from deviating when drilling, finally, when the use is completed, the directional rods 407 are loosened by rotating the locking screw 408, at this time the two sets of return springs 404 are quickly reset, which drives the two clamping plates 406 to move in opposite directions, so that the drill bit can be quickly taken out.

[0029] The specific model specifications of each device in the text need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0030] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0031] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A borehole mouth positioning device for directional drilling comprising a positioning ring (1) characterised in that: The top of the positioning ring (1) is provided with a positioning sleeve (2), the inside of the positioning sleeve (2) is fixedly provided with an inner cylinder (3), and the inside of the positioning sleeve (2) is provided with a clamping mechanism (4); The clamping mechanism (4) comprises a fixed plate (401), the inside of the fixed plate (401) is provided with a limiting rod (402), the outside of the limiting rod (402) is sleeved with a sliding sleeve (403), the outside of the limiting rod (402) is sleeved with a reset spring (404), the outside of the sliding sleeve (403) is hinged with a pull rod (405), the inside of the inner cylinder (3) is provided with two clamping plates (406), the opposite sides of the two clamping plates (406) are connected with directional rods (407), and the inside of the directional rod (407) is provided with an adjusting screw rod (408).

2. A borehole portal positioning device for directional drilling according to claim 1, wherein: The bottom of the positioning ring (1) is provided with an insertion rod (5), the number of the fixed plate (401) is two, and the opposite sides of the two fixed plates (401) are connected with the inner walls of the left and right sides of the positioning sleeve (2).

3. A borehole portal positioning device for directional drilling according to claim 1, wherein: The two limiting rods (402) are located in the inside of the two fixed plates (401), the sliding sleeve (403) is four, and the four sliding sleeves (403) are divided into two groups, and the number of the sliding sleeves (403) in each group is two.

4. A borehole portal positioning device for directional drilling according to claim 1, wherein: The two limiting rods (402) penetrate through the two groups of sliding sleeves (403), and the four reset springs (404) are connected with the four sliding sleeves (403).

5. A borehole portal positioning device for directional drilling according to claim 1, wherein: The four pull rods (405) are away from the two clamping plates (406) on the side, and the four sliding sleeves (403) are hinged with each other, and the two directional rods (407) are away from the two clamping plates (406) on the side and extend to the outside of the positioning sleeve (2).

6. A borehole portal positioning device for directional drilling according to claim 1, wherein: The inside of the directional rod (407) is provided with a positioning hole (6), the left and right sides of the positioning sleeve (2) are provided with a cross plate, and the two adjusting screw rods (408) penetrate through the cross plate and are screwed with the directional rod (407).

Citation Information

Patent Citations

  • Orifice positioning device of directional drill

    CN221194955U