Self-cooling rock drill

By designing self -cooling rock drill machines, using the cooling device of the motor and pump combination to cool down and extend the service life of the drill bit, solve the problem of premature wear of mechanical parts due to friction in the existing technology. Essence

CN222414746UActive Publication Date: 2025-01-28ZHONGCHIAN MINE MACHINERY LANGFANG CO LTD
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Patent Information

Application Number
CN202421470495.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-01-28
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

During use, existing rock drills produce a large amount of heat due to friction, which leads to premature wear of mechanical components and premature failure of key components.

Method used

A self -cooling rock drill is designed. The first motor drives the first rotor through the first motor. The inhalation pump and the inhalation tube are inhaled and the external air is inhaled and the water cools through the water. At the same time, the second motor drives the second rotation to rotate, stirring water to increase the surface area of ​​the heat exchange between the water and the air, and improve the uniform distribution and transmission efficiency of the calories.

Benefits of technology

The effective cooling of the drill head is achieved, the life of the drill can be extended, and the operation of the operation of the operation caused by the vibration during rock is reduced through the cushioning device, ensuring the progress of the construction.

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Abstract

The utility model relates to the technical field of rock drills, and discloses a self-cooling rock drill which is characterized in that a cooling device is arranged on a main body; the cooling device comprises a first motor, the first motor is fixedly connected to the top of the inner wall of the main body, the left side of the inner wall of the main body is rotationally connected with a first rotating rod through a bearing, the first rotating rod movably penetrates through the main body and extends to the left side, air is cooled through water, the cooled air is sucked out through an exhaust pump and an exhaust pipe, and the cooled air is blown to a drill bit; a second motor is started, the second motor drives a second rotating rod to rotate, the second rotating rod drives a rotating disc to rotate, water is stirred, the contact surface area of a water body and surrounding air can be increased, heat exchange between water molecules and air is promoted, heat uniform distribution and heat transfer efficiency of the water body are improved, and therefore the cooling effect to a certain degree is achieved; the drill bit is cooled, and the service life of the drill bit is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of rock drills, in particular to a self-cooling rock drill. Background Art

[0002] A rock drill is a tool used to directly mine stone. It drills holes in the rock layer so that explosives can be placed to blast the rock, thereby completing the mining of stone or other stone projects. In addition, a rock drill can also be converted into a destroyer to break hard layers such as concrete. Rock drills can be divided into four categories according to their power source: pneumatic rock drills, internal combustion rock drills, electric rock drills, and hydraulic rock drills.

[0003] The patent announcement number is CN220081333U. The technical solution disclosed in the patent document is as follows: a self-cooling rock drill, comprising a rock drill body, a handle and a head, a handle is installed at one end of the rock drill body, a head is installed at the end of the rock drill body opposite to the handle, a drill clamp is installed at the chiseling end of the head, a trachea elbow is connected to one side of the rock drill body, and a water pipe elbow is arranged on one side of the trachea elbow; a water needle sleeve is installed at the central axis position of the rock drill body, and a water needle is connected to one end of the water needle sleeve close to the drill tail. By sleeve-connecting the protective pad on the surface of the handle, the positioning block on the inner wall of the protective pad is driven to cooperate with the positioning groove on the surface of the handle, and the mounting buckle on the inner wall of the protective pad is driven to perform interference fit with the mounting groove on the surface of the handle, so that the protective pad is fixed on the surface of the handle. The operator pinches the protective pad by hand, and at the same time, due to the cavity inside the protective pad, the pain of the operator's hand caused by the vibration of the rock drill body is reduced, thereby ensuring the progress of the construction.

[0004] The above patent has the following shortcomings: when the device is in use, the rock drill rotates to drill or cut rocks or concrete, and these movements will cause friction between mechanical parts, which will generate a lot of heat. High temperature will accelerate the wear of mechanical parts and cause premature failure of key parts. In view of this, we propose a self-cooling rock drill. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a self-cooling rock drill.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cooling rock drill, comprising a main body, on which a cooling device is arranged; the cooling device comprises a first motor, the first motor is fixedly connected to the top of the inner wall of the main body, a first rotating rod is rotatably connected to the left side of the inner wall of the main body through a bearing, the first rotating rod movably penetrates the main body and extends to the left side, the right side of the first rotating rod is fixedly connected to the output end of the first motor, a drill bit is fixedly connected to the left side of the first rotating rod, the top of the main body is fixedly connected to a box body, the top of the box body is fixedly connected to an exhaust pump, the top of the exhaust pump is provided with an exhaust pipe, the top of the box body is fixedly connected to an air suction pump, and the top of the air suction pump is provided with an air suction pipe.

[0007] Preferably, a second rotating rod is rotatably connected to the right side of the inner wall of the box via a bearing, and a rotating disk is fixedly connected to the left side of the second rotating rod.

[0008] Preferably, a second motor is fixedly connected to the right side of the box body, the second rotating rod movably passes through the box body and extends to the right side, a second motor is fixedly connected to the right side of the box body, and the output end of the second motor is fixedly connected to the extension end of the second rotating rod.

[0009] Preferably, a shock absorbing device is provided on the main body, and the shock absorbing device includes a damper. The damper is fixedly connected to the bottom of the main body, and a connecting block is fixedly connected to the bottom of the damper.

[0010] Preferably, a fixing block is fixedly connected to the bottom of the main body, a movable rod is hinged to the inner wall of the fixing block, and a sliding block is hinged to the bottom of the movable rod.

[0011] Preferably, a vertical plate is fixedly connected to the top of the connection block, a sliding rod is fixedly connected to the left side of the vertical plate, the sliding block is slidably connected to the outer wall of the sliding rod, and a spring is movablely sleeved on the outer wall of the sliding rod.

[0012] Compared with the prior art, the utility model provides a self-cooling rock drill, which has the following beneficial effects:

[0013] 1. A self-cooling rock drill, through a first motor, the first motor drives the first rotating rod to rotate, the first rotating rod drives the drill bit to rotate, the suction pump and the suction pipe cooperate to suck external air into the box, the air is cooled by water, the cooled air is sucked out by the exhaust pump and the exhaust pipe, the cooled air is blown to the drill bit to cool the drill bit, the second motor is started, the second motor drives the second rotating rod to rotate, the second rotating rod drives the turntable to rotate, stirring the water will increase the surface area of ​​the water body in contact with the surrounding air, promote the heat exchange between water molecules and air, improve the uniform heat distribution of the water body and the heat transfer efficiency, thereby achieving a certain degree of cooling effect, realizing the cooling of the drill bit, and extending the service life of the drill bit.

[0014] 2. This self-cooling rock drill, when drilling, generates vibrations that squeeze the damper, and the main body squeezes the movable rod to move to both sides, and the movable rod drives the slider to slide on the outer wall of the slider, and the slider squeezes the spring when sliding. The vibration generated by the self-cooling rock drill is cushioned by the damper and the spring, thereby reducing the pain in the operator's hand caused by the vibration during rock drilling and ensuring the progress of the construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front sectional structural schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram of the structure.

[0019] In the figure: 1. main body; 2. cooling device; 21. first motor; 22. first rotating rod; 23. drill bit; 24. box; 25. exhaust pump; 26. exhaust pipe; 27. suction pump; 28. suction pipe; 29. ​​second rotating rod; 210. second motor; 211. turntable; 3. shock absorbing device; 31. damper; 32. vertical plate; 33. fixed block; 34. connecting block; 35. movable rod; 36. sliding rod; 37. sliding block; 38. spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-3 A self-cooling rock drill comprises a main body 1, on which a cooling device 2 is arranged; the cooling device 2 comprises a first motor 21, the first motor 21 is fixedly connected to the top of the inner wall of the main body 1, a first rotating rod 22 is rotatably connected to the left side of the inner wall of the main body 1 through a bearing, the first rotating rod 22 movably penetrates the main body 1 and extends to the left side, the right side of the first rotating rod 22 is fixedly connected to the output end of the first motor 21, a drill bit 23 is fixedly connected to the left side of the first rotating rod 22, a box body 24 is fixedly connected to the top of the main body 1, an exhaust pump 25 is fixedly connected to the top of the box body 24, an exhaust pipe 26 is arranged on the top of the exhaust pump 25, an air suction pump 27 is fixedly connected to the top of the box body 24, and an air suction pipe 28 is arranged on the top of the air suction pump 27.

[0022] The right side of the inner wall of the box body 24 is rotatably connected to a second rotating rod 29 via a bearing, and the left side of the second rotating rod 29 is fixedly connected to a rotating disk 211 .

[0023] A second motor 210 is fixedly connected to the right side of the box body 24 , and a second rotating rod 29 movably penetrates the box body 24 and extends to the right side. A second motor 210 is fixedly connected to the right side of the box body 24 , and an output end of the second motor 210 is fixedly connected to an extended end of the second rotating rod 29 .

[0024] When in use, the first motor 21 drives the first rotating rod 22 to rotate, and the first rotating rod 22 drives the drill bit 23 to rotate. The suction pump 27 and the suction pipe 28 cooperate to suck external air into the box body 24, and the air is cooled by water. The cooled air is sucked out by the exhaust pump 25 and the exhaust pipe 26, and the cooled air is blown to the drill bit 23 to cool the drill bit 23. The second motor 210 is started, and the second motor 210 drives the second rotating rod 29 to rotate, and the second rotating rod 29 drives the turntable 211 to rotate. Stirring the water will increase the surface area of ​​the water body in contact with the surrounding air, promote heat exchange between water molecules and air, and improve the uniform heat distribution and heat transfer efficiency of the water body, thereby achieving a certain degree of cooling effect, cooling the drill bit 23, and extending the service life of the drill bit 23.

[0025] See also Figure 1-3 On the basis of the first embodiment, a shock absorbing device 3 is provided on the main body 1, and the shock absorbing device 3 includes a damper 31, and the damper 31 is fixedly connected to the bottom of the main body 1, and a connecting block 34 is fixedly connected to the bottom of the damper 31.

[0026] A fixed block 33 is fixedly connected to the bottom of the main body 1 , a movable rod 35 is hingedly connected to the inner wall of the fixed block 33 , and a sliding block 37 is hingedly connected to the bottom of the movable rod 35 .

[0027] The top of the connecting block 34 is fixedly connected to a vertical plate 32 , the left side of the vertical plate 32 is fixedly connected to a sliding rod 36 , a sliding block 37 is slidably connected to the outer wall of the sliding rod 36 , and a spring 38 is movably sleeved on the outer wall of the sliding rod 36 .

[0028] When in use, on the basis of Example 1, the vibration generated during rock drilling will squeeze the damper 31, and the main body 1 will squeeze the movable rod 35 to move to both sides. The movable rod 35 drives the slider 37 to slide on the outer wall of the slider 36. The slider 37 squeezes the spring 38 when sliding. The vibration generated by the self-cooling rock drill is cushioned by the damper 31 and the spring 38, thereby reducing the pain of the operator's hand caused by the vibration during rock drilling and ensuring the progress of the construction.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A self-cooling rock drill, comprising a main body (1), characterized in that: The main body (1) is provided with a cooling device (2); The cooling device (2) comprises a first motor (21), the first motor (21) being fixedly connected to the top of the inner wall of the main body (1), the left side of the inner wall of the main body (1) being rotatably connected to a first rotating rod (22) via a bearing, the first rotating rod (22) movably passing through the main body (1) and extending to the left side, the right side of the first rotating rod (22) being fixedly connected to the output end of the first motor (21), the left side of the first rotating rod (22) being fixedly connected to a drill bit (23), the top of the main body (1) being fixedly connected to a box (24), the top of the box (24) being fixedly connected to an exhaust pump (25), the top of the exhaust pump (25) being provided with an exhaust pipe (26), the top of the box (24) being fixedly connected to an air suction pump (27), the top of the air suction pump (27) being provided with an air suction pipe (28).

2. A self-cooling rock drill according to claim 1, characterized in that: The right side of the inner wall of the box body (24) is rotatably connected to a second rotating rod (29) via a bearing, and the left side of the second rotating rod (29) is fixedly connected to a rotating disk (211).

3. A self-cooling rock drill according to claim 2, characterized in that: The right side of the box body (24) is fixedly connected to a second motor (210); the second rotating rod (29) movably penetrates the box body (24) and extends to the right side; the right side of the box body (24) is fixedly connected to the second motor (210); the output end of the second motor (210) is fixedly connected to the extension end of the second rotating rod (29).

4. A self-cooling rock drill according to claim 3, characterized in that: The main body (1) is provided with a shock absorbing device (3), the shock absorbing device (3) comprising a damper (31), the damper (31) being fixedly connected to the bottom of the main body (1), and a connecting block (34) being fixedly connected to the bottom of the damper (31).

5. A self-cooling rock drill according to claim 4, characterized in that: A fixing block (33) is fixedly connected to the bottom of the main body (1), a movable rod (35) is hingedly connected to the inner wall of the fixing block (33), and a sliding block (37) is hingedly connected to the bottom of the movable rod (35).

6. A self-cooling rock drill according to claim 5, characterized in that: The top of the connection block (34) is fixedly connected to a vertical plate (32), the left side of the vertical plate (32) is fixedly connected to a sliding rod (36), the sliding block (37) is slidably connected to the outer wall of the sliding rod (36), and the outer wall of the sliding rod (36) is movably sleeved with a spring (38).

Citation Information

Patent Citations

  • Self-cooling rock drill

    CN220081333U