Hole opening equipment for quartzite and other high-hardness rocks

By using a servo motor-driven sliding table and universal wheels in conjunction with the drill bit design, the problems of rapid drill bit wear and insufficient torsional resistance in drilling high-hardness rocks are solved, thus achieving efficient rock drilling.

CN223881108UActive Publication Date: 2026-02-06SICHUAN VOCATIONAL & TECHN COLLEGE OF COMM
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Patent Information

Application Number
CN202520824376.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-06
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing drilling equipment wears out quickly when drilling into high-hardness rocks, requiring frequent drill bit replacements, resulting in slow construction progress. Furthermore, it lacks sufficient torsional strength and the locking bolts are prone to damage.

Method used

The system employs a servo motor-driven sliding table and brakeable omnidirectional wheels, combined with a servo motor controller to control the forward and reverse rotation of the drill bit. It utilizes the radial and frustum-shaped cutting teeth of the drill bit body for rapid cutting and hole enlargement. The drill rod is connected by a regular hexagonal fixing block and locking bolts to improve the torsional resistance.

Benefits of technology

It improves drilling speed and torsional strength, reduces drill bit replacement frequency, extends drill bit life, and meets the drilling requirements of high-hardness rocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rock trepanning, and discloses trepanning equipment for quartzite and other high-hardness rocks, which comprises a base, a support column, a horizontal top plate and a sliding table, the two ends of the top of the base are provided with a horizontal top plate through supporting columns, one side of the horizontal top plate is provided with a servo motor through a U-shaped limiting plate, an output shaft of the servo motor is connected with a lead screw through a coupler, the lead screw is sleeved with a screw block, and one side of the screw block is connected with a sliding table through a motor fixing plate. The corners of the sliding table are sleeved with guide sleeves correspondingly, the supporting columns penetrate through the guide sleeves, a driving motor is installed on one side of the motor fixing plate through bolts, and an output shaft of the driving motor is connected with a drill rod through a coupler. According to the rock tapping equipment, the drill bit can rapidly cut and broach, high-hardness rocks such as quartzite can be conveniently tapped, the torsion resistance value in the drilling process is greatly improved, and damage to a locking bolt at the drill bit is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rock hole opening technical field, especially in high hardness rock such as quartzite hole opening equipment for. BACKGROUND

[0002] In geological exploration, mining and many other fields such as infrastructure construction, high hardness rock such as quartzite often needs to be hole opening operation. The existing drilling equipment has many problems when dealing with this kind of high hardness rock. In the drilling process, the traditional drill bit is worn out very fast due to high hardness of the rock, frequent replacement of the drill bit not only consumes a lot of time and labor cost, but also seriously affects the construction progress. At the same time, the drilling efficiency of the existing equipment is low, which is difficult to meet the increasing engineering demand.

[0003] The previous rock hole opening equipment has the following shortcomings: 1, the drill bit cannot be quickly cut and reamed, which is not convenient for hole opening of high hardness rock such as quartzite, the torsional resistance value is small during drilling, and the locking bolt at the drill bit is easy to be damaged due to excessive torsional resistance value. Therefore, the technical personnel in the field provide a high hardness rock hole opening equipment for quartzite, to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a high hardness rock hole opening equipment for quartzite, to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A high hardness rock hole opening equipment for quartzite, comprising a base, a support column, a horizontal top plate and a sliding table;

[0007] The top of the base is provided with a horizontal top plate at both ends through the support column, a servo motor is installed on one side of the horizontal top plate through a U-shaped limiting plate, and the output shaft of the servo motor is connected with a lead screw through a shaft coupling, a lead screw nut is sleeved on the lead screw, and one side of the lead screw nut is connected with a sliding table through a motor fixing plate, a guide sleeve is sleeved at the corner of the sliding table, and the support column penetrates the guide sleeve, a drive motor is installed on one side of the motor fixing plate through a bolt, and the output shaft of the drive motor is connected with a drill rod through a shaft coupling, a connecting disc is welded at the bottom of the drill rod, and a regular hexagonal fixing block is welded at the bottom of the connecting disc, a drill bit body is installed on the connecting disc through a locking bolt, and the regular hexagonal fixing block is located in the regular hexagonal groove at the top of the drill bit body, helical teeth are arranged on the outer side of the drill bit body, radial teeth are arranged at the bottom of the drill bit body, and prismatic teeth are arranged between the radial teeth.

[0008] As a further scheme of the utility model: one end of the servo motor is provided with a servo motor controller through screws, the output end of the servo motor controller is electrically connected with the input end of the servo motor through wires, the servo motor is automatically controlled in forward and reverse rotation by the servo motor controller, thereby controlling the rising and falling of the sliding table.

[0009] As a further scheme of the utility model: the bottom of the sliding table is provided with a U-shaped support frame through bolts, a stabilizing sleeve is sleeved on the U-shaped support frame and the drill rod penetrates the stabilizing sleeve.

[0010] As a further scheme of the utility model: the bottom of the lead screw is connected with the base through a bearing, and a U-shaped operation opening is formed in one side of the base.

[0011] As a further scheme of the utility model: the bottom of the base is provided with brakeable universal wheels at both ends through bolts.

[0012] As a further scheme of the utility model: a plurality of connecting screw holes are equidistantly formed on the top of the drill bit body and outside the regular hexagonal groove, the locking bolts on the connecting disc are screwed into the connecting screw holes, so that the drill bit body is conveniently connected and fixed, and the installation and disassembly are facilitated.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The brakeable universal wheels are used to move the whole hole opening equipment to a specified position, the drill bit body is aligned with the drilling point, the driving motor drives the drill rod and the drill bit body to rotate rapidly, the servo motor drives the lead screw to rotate rapidly, the sliding block slides downward on the lead screw, the driving motor on the top of the sliding table and the drill rod are stably moved downward, the stratum drilling is conveniently processed in the mining process, the radial teeth and the prismatic teeth on the bottom of the drill bit body enable the drill bit to cut rapidly, the spiral teeth on the outer side of the drill bit body enable the hole to be rapidly expanded in the downward drilling process, the drilling rate is effectively increased, and the hole opening equipment is convenient for high-hardness rock such as quartzite.

[0015] 2. The drill rod is connected with the drill bit body through the connecting disc and the locking bolt, the installation and disassembly are facilitated, the regular hexagonal fixing block is located in the regular hexagonal groove, the torsional resistance value is greatly improved in the drilling process, the damage to the locking bolt is reduced, the fracture caused by the excessively large torsional resistance value is avoided, the use of the drill bit is affected, the servo motor is automatically controlled in forward and reverse rotation by the servo motor controller, and the rising and falling of the sliding table are controlled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the hole opening equipment for high-hardness rock such as quartzite.

[0017] Figure 2 It is a side view of the high-hardness rock hole opening equipment for quartzite and the like.

[0018] Figure 3 It is a drill bit main body structure schematic view of the high-hardness rock hole opening equipment.

[0019] Figure 4 It is a prism platform cutter tooth and radial cutter tooth structure schematic view of the high-hardness rock hole opening equipment.

[0020] In the figure: 1, U-shaped operation port; 2, base; 3, brakeable universal wheel; 4, bearing; 5, screw rod; 6, sliding table; 7, guide sleeve; 8, support column; 9, horizontal top plate; 10, servo motor; 11, driving motor; 12, stabilizing sleeve; 13, U-shaped support frame; 14, drill rod; 15, connecting disc; 16, drill bit main body; 17, screw block; 18, servo motor controller; 19, locking bolt; 20, regular hexagonal fixed block; 21, regular hexagonal groove; 22, connecting screw hole; 23, spiral cutter tooth; 24, prism platform cutter tooth; 25, radial cutter tooth; 26, motor fixing plate. DETAILED DESCRIPTION

[0021] 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, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 In the embodiments of the present application, a high-hardness rock hole opening equipment for quartzite and the like comprises a base 2, a support column 8, a horizontal top plate 9 and a sliding table 6.

[0023] The top two ends of the base 2 are provided with a horizontal top plate 9 through a support column 8, one side of the horizontal top plate 9 is provided with a servo motor 10 through a U-shaped limiting plate, and the output shaft of the servo motor 10 is connected with a lead screw 5 through a shaft coupling. A nut 17 is sleeved on the lead screw 5, one side of the nut 17 is connected with a sliding table 6 through a motor fixing plate 26, guide sleeves 7 are sleeved at the corners of the sliding table 6, and the support column 8 penetrates the guide sleeves 7. One side of the motor fixing plate 26 is provided with a driving motor 11 through bolts, the output shaft of the driving motor 11 is connected with a drill rod 14 through a shaft coupling, the bottom of the drill rod 14 is welded with a connecting disc 15, the bottom of the connecting disc 15 is welded with a regular hexagonal fixing block 20, the connecting disc 15 is provided with a drill bit main body 16 through locking bolts 19, the regular hexagonal fixing block 20 is located in a regular hexagonal groove 21 at the top of the drill bit main body 16, helical teeth 23 are arranged on the outer side of the drill bit main body 16, radial teeth 25 are arranged on the bottom of the drill bit main body 16, and prismatic teeth 24 are arranged between the radial teeth 25.

[0024] One end of the servo motor 10 is provided with a servo motor controller 18 through a screw, and the output end of the servo motor controller 18 is electrically connected with the input end of the servo motor 10 through wires. The servo motor controller 18 is used for automatically controlling the forward and reverse rotation of the servo motor 10, so as to control the rising and falling of the sliding table 6.

[0025] The bottom of the sliding table 6 is provided with a U-shaped support frame 13 through bolts, and the U-shaped support frame 13 is sleeved with a stabilizing sleeve 12, and the drill rod 14 penetrates the stabilizing sleeve 12. The stabilizing sleeve 12 and the U-shaped support frame 13 are used for improving the stability of the drill rod 14 in rotation and reducing shaking.

[0026] The bottom of the lead screw 5 is connected with the base 2 through a bearing 4, and a U-shaped operation port 1 is formed in one side of the base 2. The stability of the lead screw 5 in rotation is better, and the shaking is reduced.

[0027] The bottom of the base 2 is provided with a brake universal wheel 3 at both ends through bolts. The brake universal wheel 3 is used for facilitating the movement of the whole hole drilling equipment to a specified position.

[0028] The top of the drill bit main body 16 and outside the regular hexagonal groove 21 are equidistantly provided with connecting screw holes 22. The locking bolts 19 on the connecting disc 15 are screwed into the connecting screw holes 22, so as to facilitate the connection and fixation of the drill bit main body 16, and facilitate the installation and disassembly.

[0029] The working principle of the utility model is: the brake universal wheel 3 is used to move the whole hole opening equipment to the designated position, the drill bit body 16 is aligned with the drilling point, the driving motor 11 drives the drill rod 14 and the drill bit body 16 to rotate rapidly, the servo motor 10 drives the screw rod 5 to rotate rapidly, the silk block 17 slides down on the screw rod 5, the driving motor 11 and the drill rod 14 on the top of the sliding table 6 move stably downwards, the process of drilling the stratum is facilitated, the drill bit body 16 is provided with the radial cutter tooth 25 and the prism cutter tooth 24 at the bottom, the drill bit cuts rapidly, the spiral cutter tooth 23 on the outside of the drill bit body 16 is used to expand the hole rapidly in the process of drilling downwards, the drilling rate is effectively increased, the hole opening of the high hardness rock such as quartzite is facilitated, the drill rod 14 is connected with the drill bit body 16 through the connecting disc 15 and the locking bolt 19, the installation and dismounting are facilitated, the regular hexagonal fixed block 20 is located in the regular hexagonal groove 21, the torsional resistance value is greatly improved in the process of drilling, the damage to the locking bolt 19 is reduced, the breakage caused by the too large torsional resistance value is avoided, the use of the drill bit is affected, the servo motor controller 18 is used to control the forward and reverse rotation of the servo motor 10, and the rising and falling of the sliding table 6 are controlled.

[0030] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. A high-hardness rock such as quartzite coring device, comprising a base (2), a support column (8), a horizontal top plate (9) and a sliding table (6); characterized in that; The top of the base (2) is provided with a horizontal top plate (9) at both ends through a support column (8), one side of the horizontal top plate (9) is provided with a servo motor (10) through a U-shaped limiting plate, and the output shaft of the servo motor (10) is connected with a lead screw (5) through a shaft coupling, a nut (17) is sleeved on the lead screw (5), one side of the nut (17) is connected with a sliding table (6) through a motor fixing plate (26), guide sleeves (7) are sleeved at the corners of the sliding table (6), and the support column (8) penetrates through the guide sleeves (7), a drive motor (11) is installed on one side of the motor fixing plate (26) through bolts, the output shaft of the drive motor (11) is connected with a drill rod (14) through a shaft coupling, a connecting disc (15) is welded at the bottom of the drill rod (14), a regular hexagonal fixing block (20) is welded at the bottom of the connecting disc (15), a drill bit body (16) is installed on the connecting disc (15) through locking bolts (19), and the regular hexagonal fixing block (20) is located in a regular hexagonal groove (21) at the top of the drill bit body (16), helical teeth (23) are arranged on the outer side of the drill bit body (16), and radial teeth (25) are arranged at the bottom of the drill bit body (16), and prismatic teeth (24) are arranged between the radial teeth (25).

2. A device for drilling holes in quartzite and other high hardness rocks as claimed in claim 1, wherein: One end of the servo motor (10) is provided with a servo motor controller (18) through a screw, and the output end of the servo motor controller (18) and the input end of the servo motor (10) are electrically connected through wires.

3. A device for drilling holes in quartzite and other high hardness rocks as claimed in claim 1, wherein: The bottom of the sliding table (6) is provided with a U-shaped support frame (13) through bolts, a stabilizing sleeve (12) is sleeved on the U-shaped support frame (13), and the drill rod (14) penetrates through the stabilizing sleeve (12).

4. A device for drilling holes in quartzite and other high hardness rocks as claimed in claim 1 wherein: The bottom of the lead screw (5) is connected with the base (2) through a bearing (4), and a U-shaped operation port (1) is formed in one side of the base (2).

5. A device for drilling holes in quartzite and other high hardness rocks as claimed in claim 1, wherein: Brakeable universal wheels (3) are installed at both ends of the bottom of the base (2) through bolts.

6. A device for drilling holes in quartzite and other high hardness rocks as claimed in claim 1, wherein: Connecting screw holes (22) are formed at the top of the drill bit body (16) and equidistantly outside the periphery of the regular hexagonal groove (21).