Magnetic type drill rod joint for anchor rod drill carriage

By using a magnetic drill pipe connector design, a magnet is used to attach the drill pipe connector between the magnetic base and the drill rig base, solving the problem of easy removal of the drill pipe connector and improving the reliability and efficiency of construction.

CN223952612UActive Publication Date: 2026-02-27SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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Patent Information

Application Number
CN202520858887.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-02-27
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

When using twist drill rods, the drill rod joints of existing anchor drilling rigs are easily pulled out of the base due to axial force, which affects construction efficiency.

Method used

A magnetic drill pipe joint is adopted, which is attached between the magnetic base and the drill rig base by a magnetic block to stabilize the drill pipe joint. The joint includes a drill pipe joint, a magnetic base, and a magnetic block. The magnetic block matches the hexagonal cross section of the drill pipe joint, and the thickness of the magnetic block is greater than that of the magnetic base. The magnetic base and the drill pipe joint are connected by welding.

Benefits of technology

This effectively prevents the drill pipe tail from being pulled out of the drill rig base, improving the reliability and efficiency of construction.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223952612U_ABST
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Abstract

The utility model belongs to the field of coal mine tunneling support, and aims to solve the problem that when a drill rod drill carriage in coal mine tunnel tunneling uses a six-edge drill rod adapter to be matched with a twist drill rod to construct side drilling, the tail of a drill rod joint is easily pulled out of a drill carriage base, and drilling construction is affected. The magnetic suction type drill rod connector for the anchor rod drill carriage comprises a drill rod connector body, a magnetic suction base and a magnet block. The threaded end of the drill rod connector is used for being connected with a twist drill rod through a connecting sleeve, and the hexagonal-prism-shaped end of the drill rod connector is used for being inserted into a drill carriage base. The magnetic attraction base is fixedly arranged on the rod body section of the drill rod connector in a sleeving mode. The magnet block is attracted to the surface of the side, close to the drill carriage base, of the magnetic attraction base and used for being stably attracted between the magnetic attraction base and the drill carriage base. The device is simple and convenient in structure, high in reliability, high in working efficiency and capable of effectively preventing the tail of the drill rod from being dragged out of the drill carriage base in the drilling construction process.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of coal mine tunneling support, concretely relates to a magnetic type drill rod joint for anchor rod drill carriage. BACKGROUND

[0002] The anchor rod drill carriage is used for supporting in the coal mine tunneling.

[0003] Therefore, the twist drill rod is used for constructing the hole of the side part, the tail of the twist drill rod is not matched with the drill arm base of the anchor rod drill carriage, and the six-rib drill rod is used for switching.

[0004] When the six-rib drill rod switching joint is matched with the twist drill rod for constructing the hole of the side part, the axial force is generated in the drilling process due to the positive thread of the twist drill rod, the tail of the drill rod joint is easily pulled out from the base, and the drilling construction is affected. UTILITARY MODEL

[0005] The utility model provides a magnetic type drill rod joint for anchor rod drill carriage to solve at least one technical problem existing in the prior art.

[0006] The utility model adopts the following technical scheme: a magnetic type drill rod joint for anchor rod drill carriage, including drill rod joint, magnetic suction base and magnet block, the thread end of drill rod joint is used for connecting twist drill rod through the coupling sleeve, the six-rib end of drill rod joint is used for inserting into the drill carriage base, the magnetic suction base fixed sleeve is arranged in the stem section of drill rod joint, the magnet block is adsorbed on the surface of one side of the magnetic suction base close to the drill carriage base, and the magnet block is used for stably adsorbing between the magnetic suction base and the drill carriage base.

[0007] Preferably, the magnet block is annular magnet, and the central hole of the magnet block is matched with the six-rhombic section of the drill rod joint.

[0008] Preferably, the thickness of the magnet block is greater than the thickness of the magnetic suction base.

[0009] Preferably, the magnetic suction base and the stem section of the drill rod joint are connected in a mode of welding, the magnetic suction base is disc-shaped structure with a hole in the middle, and the central hole of the magnetic suction base is matched with the six-rhombic section of the drill rod joint.

[0010] Preferably, the magnetic suction base and the magnet block are arranged close to the thread end side of the drill rod joint.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The device has simple structure, high reliability and high working efficiency, and can effectively prevent the drill rod tail from being pulled out of the drill rig base during drilling construction. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment.

[0015] In the figure: 1-drill rod joint; 2-magnetic base; 3-magnet block. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application are described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0017] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the limiting conditions that can be implemented by the present application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects that can be produced by the present application and the purposes that can be achieved, should fall within the scope of the technical content disclosed by the present application. It should be noted that in the present specification, relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any actual relationship or order between the entities.

[0018] The present application provides an embodiment:

[0019] As shown in the drawings, Figure 1 A magnetic drill rod joint for anchor rod drill rig, comprising a drill rod joint 1, a magnetic base 2 and a magnet block 3; the threaded end of the drill rod joint 1 is used to connect the twist drill rod through the connecting sleeve, and the hexagonal end of the drill rod joint 1 is used to be inserted into the drill rig base; the magnetic base 2 is fixedly sleeved on the shank section of the drill rod joint 1; the magnet block 3 is adsorbed on the surface of the side of the magnetic base 2 close to the drill rig base, and the magnet block 3 is used to be stably adsorbed between the magnetic base 2 and the drill rig base.

[0020] In the embodiment, the magnetic base 2 and the magnet block 3 are arranged close to the threaded end side of the drill rod joint 1. The magnetic base 2 is connected to the shank section of the drill rod joint 1 by welding. The magnetic base 2 is a disc-shaped structure with a hole in the middle, and the central hole of the magnetic base 2 matches the hexagonal cross section of the drill rod joint 1.

[0021] The magnet block 3 is a ring-shaped magnet, and the central hole of the magnet block matches the hexagonal cross section of the drill rod joint 1. The thickness of the magnet block 3 is greater than the thickness of the magnetic base 2. The magnet is sleeved on the drill rod joint and is adsorbed on the magnetic base, and can be disassembled and replaced.

[0022] Specific implementation steps are as follows:

[0023] In use, the drill rod joint 1 is inserted into the drill carriage base with the unthreaded end, the magnetic base 2 is arranged close to the drill carriage base, and the threaded end of the drill rod joint 1 is connected to the twist drill rod through the connecting sleeve for construction.

[0024] The above is only the preferred specific implementation method of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A magnetic drill rod adapter for anchor rod drill rig, characterized in that: It comprises a drill rod adapter (1), a magnetic base (2) and a magnet block (3); The threaded end of the drill rod adapter (1) is used to connect the twist drill rod through the coupling sleeve, and the hexagonal end of the drill rod adapter (1) is used to insert into the drill rig base; The magnetic base (2) is fixedly sleeved on the shank section of the drill rod adapter (1); The magnet block (3) is adsorbed on the surface of the side of the magnetic base (2) close to the drill rig base, and the magnet block (3) is used to stably adsorb between the magnetic base (2) and the drill rig base.

2. The magnetic drill rod adapter for anchor rod drill rig according to claim 1, characterized in that: The magnet block (3) is a ring magnet, and the center hole of the magnet block matches the hexagonal cross section of the drill rod adapter (1).

3. The magnetic drill rod adapter for anchor rod drill rig according to claim 2, characterized in that: The thickness of the magnet block (3) is greater than the thickness of the magnetic base (2).

4. The magnetic drill rod adapter for anchor rod drill rig according to claim 1, characterized in that: The magnetic base (2) and the shank section of the drill rod adapter (1) are connected by welding, the magnetic base (2) is a disc-shaped structure with a hole in the middle, and the center hole of the magnetic base (2) matches the hexagonal cross section of the drill rod adapter (1).

5. The magnetic drill rod coupling for a drill rod vehicle according to claim 1, characterized in that: The magnetic base (2) and the magnet block (3) are both arranged close to the side of the threaded end of the drill rod adapter (1).