Quick dismounting device for drill rod and drill bit of blast furnace rock drill

By designing a drill bit rapid disassembly device for blast furnace rock drilling, the rapid disassembly of the drill bit and the drill bit is achieved by clamping and motor driving, the disassembly difficulties caused by heating in the prior art are solved, and the use is improved rate and reduce costs.

CN119388075APending Publication Date: 2025-02-07ANHUI CHANGJIANG IRON & STEEL CO LTD
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Patent Information

Application Number
CN202411298758.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-02-07

AI Technical Summary

Technical Problem

When used, the drill rod and drill bit of blast furnace rock drill are prone to expand due to heat, which makes it difficult to disassemble. The existing gas cutting and disassembly method will cause deformation of the drill rod connection and damage to the wire teeth, resulting in waste of costs and resources.

Method used

A rapid disassembly device for drill bit drill bits of blast furnace rock drill rig is designed, and the drill bit and drill bit are clamped by the first chuck and the second chuck respectively, and the first motor is used to control the rotation of the first chuck to drive the drill bit to rotate, thereby realizing the drill rod. Disassembly with drill bit. At the same time, a movable fixed bracket is set so that the drill rod is automatically away when twisting the drill bit, ensuring the feasibility of the disassembly structure.

Benefits of technology

The rapid disassembly of drill pipes and drill bits is achieved, which improves the utilization rate of drill pipes, reduces costs, and saves labor costs through automated loading and disassembly processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a quick dismounting device for a drill rod and a drill bit of a blast furnace rock drill, which belongs to the technical field of maintenance of blast furnace rock drills, is used for dismounting the drill rod and the drill bit, and comprises a dismounting platform, a first motor is fixed above the dismounting platform, and a first chuck for fixing the drill bit is fixed on an output shaft of the first motor; a fixing support used for fixing a drill rod is arranged on the dismounting platform in a sliding mode, an adjusting assembly used for adjusting the position of the fixing support is fixed to the dismounting platform, a storage support used for releasing and storing drill rods and drill bits to be dismounted is fixed to one side of the dismounting platform, and the adjusting assembly can control the fixing support to move out of the dismounting platform. According to the dismounting device, the drill bit and the drill rod are clamped through the first chuck and the second chuck correspondingly, the first motor is started to control the first chuck to rotate, and therefore the drill bit is driven to rotate and is screwed off from the drill rod, dismounting of the drill bit of the drill rod is achieved, the utilization rate of the drill rod is increased, and cost is reduced.
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Description

Technical Field

[0001] The invention belongs to the technical field of blast furnace rock drill maintenance, and in particular relates to a rapid disassembly device for a drill rod and a drill bit of a blast furnace rock drill. Background Art

[0002] A rock drill is a tool used to directly mine stone. It drills holes in the rock strata so that explosives can be placed to blast the rock, thereby completing the mining of stone or other stone works.

[0003] The drill rod and drill bit of the rock drill are prone to heat up during use, causing the connection between the drill rod and the drill bit to expand, making it difficult to disassemble the drill rod and the drill bit. Usually, the drill rod and the drill bit of the blast furnace rock drill are disassembled by gas cutting to cut the drill bit. Gas cutting will cause deformation of the drill rod connection and damage the thread at the drill rod connection to the drill bit. After disassembly, the drill rod cannot be used any more, resulting in a large cost loss and a large waste of manpower, material resources and financial resources. In order to solve the above problems, a quick disassembly device for the drill rod and drill bit of a blast furnace rock drill is provided.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a device for quickly disassembling a drill rod and drill bit of a blast furnace rock drill, wherein the drill bit and the drill rod are clamped respectively by a first chuck and a second chuck, and the first motor is started to control the rotation of the first chuck, thereby driving the drill bit to rotate, and the drill bit is unscrewed from the drill rod, thereby realizing the disassembly of the drill rod and drill bit, thereby improving the utilization rate of the drill rod and reducing the cost. By setting a movable fixed bracket, the drill rod can automatically move away from the drill bit during the process of twisting the drill bit, thereby ensuring the feasibility of the disassembly structure.

[0006] To achieve the above-mentioned purpose, the present invention proposes a rapid disassembly device for a drill rod and drill bit of a blast furnace rock drill, which is used to disassemble the drill rod and drill bit. The disassembly device includes a disassembly platform, a first motor is fixed above the disassembly platform, a first chuck for fixing the drill bit is fixed on the output shaft of the first motor, a fixed bracket for fixing the drill rod is slidably provided on the disassembly platform, an adjustment component for adjusting the position of the fixed bracket is fixed on the disassembly platform, a storage bracket for releasing and storing the drill rod and drill bit to be disassembled is fixed on one side of the disassembly platform, and the adjustment component can control the fixed bracket to move out from the disassembly platform.

[0007] The adjustment component comprises an adjustment bracket, on which a clamp is fixed.

[0008] The adjustment bracket includes a second motor fixed under the disassembly platform table top, the output shaft of the second motor passes through the table top of the disassembly platform and is fixed with a vertical first electric telescopic rod, the output shaft of the first electric telescopic rod is vertically fixed with a second electric telescopic rod, the output shaft of the second electric telescopic rod is fixed with a U-shaped connecting fork, a connecting strip is rotatably provided on the U-shaped connecting fork, a third motor for driving the connecting strip to rotate is fixed to one side of the U-shaped connecting fork, and the clamp is fixed on the connecting strip.

[0009] Furthermore, a rectangular slide groove is opened above the disassembly platform, and the rectangular slide groove is parallel to the axis of the first motor. The fixed bracket includes a first slider slidingly matched with the rectangular slide groove. A first connecting plate is vertically fixed above the first slider, and a through hole is opened on the first connecting plate. A second chuck is fixed on the first connecting plate.

[0010] Furthermore, the clamp includes symmetrically distributed clamping plates, and a third electric telescopic rod is fixedly connected between the two clamping plates.

[0011] Furthermore, the storage bracket includes a first support plate fixed to one side of the disassembly platform, and the first support plate is provided with a mounting hole for mounting the drill rod.

[0012] Furthermore, the storage bracket also includes a second support plate, the first support plate is located above the second support plate, and the second support plate is provided with a socket for supporting the drill bit.

[0013] Furthermore, when the fixing bracket is located in the rectangular slide groove, the first clamp and the second clamp correspond to each other.

[0014] Furthermore, the first chuck and the second chuck are both three-jaw chucks.

[0015] Furthermore, a second slider is slidably provided in the rectangular slide groove, a second connecting plate is vertically fixed above the second slider, a support block is fixed on the second connecting plate, a conical groove is provided on the side of the support block close to the first motor, and a connecting rod is fixedly connected between the first slider and the second slider.

[0016] The quick disassembly device for the drill rod and drill bit of a blast furnace rock drill proposed by the present invention can bring the following beneficial effects:

[0017] 1. The disassembly device of the present invention clamps the drill bit and the drill rod respectively by the first chuck and the second chuck, and drives the drill bit to rotate by starting the first motor to control the first chuck to rotate, so as to unscrew the drill bit from the drill rod, thereby realizing the disassembly of the drill rod and the drill bit, thereby improving the utilization rate of the drill rod and reducing the cost. By setting a movable fixed bracket, the drill rod can automatically move away from the drill bit during the process of twisting the drill bit, thereby ensuring the feasibility of the disassembly structure;

[0018] 2. The disassembly device of the present invention can not only clamp the fixed bracket by setting the adjustment component to complete the automatic loading of the drill rod and drill bit to be disassembled, but also control the movement of the fixed bracket before disassembly to facilitate the automatic insertion of the drill bit into the first chuck, thereby ensuring the automatic operation of the disassembly device and saving labor costs;

[0019] 3. The disassembly device of the present invention is provided with mounting holes and jacks at different heights, which are used to position the drill rod and the drill bit respectively, so as to avoid the drill rod and the drill bit from being tilted too much when placed, and facilitate the fixing bracket to clamp the drill rod and the drill bit;

[0020] 4. The disassembly device of the present invention can position the tail of the drill bit and the drill rod by providing a tapered groove, and the second chuck is coaxial with the first chuck when fixing the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0022] Figure 1 This is a schematic structural diagram from a first perspective of a device for quickly disassembling a drill rod and drill bit of a blast furnace rock drill according to the present invention.

[0023] Figure 2 This is a schematic structural diagram from a second perspective of a quick disassembly device for a drill rod and drill bit of a blast furnace rock drill according to the present invention.

[0024] Figure 3 for Figure 1 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1. disassembly platform; 2. first motor; 3. fixing bracket; 4. adjustment assembly; 5. storage bracket; 6. first chuck; 11. rectangular slide groove; 31. first slider; 32. first connecting plate; 33. through hole; 34. second chuck; 35. second slider; 36. second connecting plate; 37. support block; 38. conical groove; 39. connecting rod; 41. second motor; 42. first electric telescopic rod; 43. second electric telescopic rod; 44. U-shaped connecting fork; 45. connecting strip; 46. third motor; 47. clamp; 48. third electric telescopic rod; 51. first support plate; 52. second support plate; 53. mounting hole; 54. socket. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0027] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more schemes or examples in a suitable manner.

[0031] The embodiment of the present invention provides a quick disassembly device for a drill rod and drill bit of a blast furnace rock drill, which is used to disassemble the drill rod and drill bit. The disassembly device includes a disassembly platform 1, such as Figure 1As shown, a first motor 2 is fixed above the disassembly platform 1, a first chuck 6 for fixing a drill bit is fixed on the output shaft of the first motor 2, a fixed bracket 3 for fixing a drill rod is slidably provided on the disassembly platform 1, an adjusting component 4 for adjusting the position of the fixed bracket 3 is fixed on the disassembly platform 1, a storage bracket 5 for storing the drill rod and drill bit to be disassembled is fixed on one side of the disassembly platform 1, and the adjusting component 4 can control the fixed bracket 3 to be moved out of the disassembly platform 1.

[0032] A rectangular slot 11 is provided above the disassembly platform 1, and the rectangular slot 11 is parallel to the axis of the first motor 2. The fixed bracket 3 includes a first slider 31 that is slidably matched with the rectangular slot 11. A first connecting plate 32 is vertically fixed above the first slider 31, and a through hole 33 is provided on the first connecting plate 32. Figure 2 As shown, a second clamp 34 is fixed on the first connecting plate 32, and a second slider 35 is slidably disposed in the rectangular slide groove 11. Figure 3 As shown, a second connecting plate 36 is vertically fixed above the second slider 35, a supporting block 37 is fixed on the second connecting plate 36, a conical groove 38 is provided on the side of the supporting block 37 close to the first motor 2, and a connecting rod 39 is fixedly connected between the first slider 31 and the second slider 35.

[0033] The adjustment assembly 4 comprises an adjustment bracket, on which a clamp is fixed.

[0034] The adjusting bracket includes a second motor 41 fixed under the table top of the disassembly platform 1, the output shaft of the second motor 41 passes through the table top of the disassembly platform 1 and is fixed with a vertical first electric telescopic rod 42, a second electric telescopic rod 43 is vertically fixed on the output shaft of the first electric telescopic rod 42, a U-shaped connecting fork 44 is fixed on the output shaft of the second electric telescopic rod 43, a connecting strip 45 is rotatably provided on the U-shaped connecting fork 44, a third motor 46 for driving the connecting strip 45 to rotate is fixed to one side of the U-shaped connecting fork 44, and a clamp is fixed on the connecting strip 45.

[0035] The clamp includes symmetrically distributed clamping plates 47 , and a third electric telescopic rod 48 is fixedly connected between the two clamping plates 47 .

[0036] The storage bracket 5 includes a first support plate 51 and a second support plate 52 fixed to one side of the disassembly platform 1. The first support plate 51 is located above the second support plate 52. The first support plate 51 is provided with a mounting hole 53 for mounting a drill rod, and the second support plate 52 is provided with a socket 54 for supporting a drill bit.

[0037] When the fixed bracket 3 is located in the rectangular slide groove 11 , the first chuck 6 and the second chuck 34 correspond to each other, and both the first chuck 6 and the second chuck 34 are three-jaw chucks.

[0038] When in use, the third electric telescopic rod 48 is adjusted to be parallel to the first electric telescopic rod 42 by starting the third motor 46, and the two clamps 47 are controlled to move to the two sides of the second slider 35 respectively by the cooperation of the second motor 41 and the second electric telescopic rod 43, and the two clamps 47 are controlled to approach each other to clamp the second slider 35 by starting the third electric telescopic rod 48, and the fixed bracket 3 is clamped by starting the first electric telescopic rod 42, and the third electric telescopic rod 46 is controlled to rotate upward to be vertical, and the second chuck 34 is controlled to be adjusted to above the drill rod and drill bit to be clamped by the second motor 41 and the second electric telescopic rod 43, and the second chuck 34 is controlled to move by starting the third electric telescopic rod 48 so that the drill rod to be clamped is inserted through the second chuck 34 and the through hole 33, and then the second chuck 34 is controlled to clamp the rod, and the second chuck 34 is controlled to rise by starting the third electric telescopic rod 48 to remove the corresponding drill bit and drill rod from the storage The drill bit 31 is removed from the bracket 5, and the third electric telescopic rod 48 is controlled to be adjusted downward by starting the third motor 46, and then the second chuck 34 is controlled to loosen the drill rod. Under the action of gravity, the end of the drill rod away from the drill bit enters the conical groove 38, and then the second chuck 34 is controlled to clamp the drill rod and the third electric telescopic rod 48 is controlled to be adjusted to be horizontal, and the first slider 31 and the second slider 35 are put back into the rectangular slide groove 11 by the cooperation of the second motor 41, the first electric telescopic rod 42 and the second electric telescopic rod 43, and the clamp is controlled by starting the second electric telescopic rod 43 to push the fixed bracket 3 to move until the drill bit is inserted into the first chuck 6, and then the first chuck 6 is controlled to clamp the drill bit, and the two clamps 47 away from the first chuck 6 are controlled to disengage from the second slider 35 by starting the third electric telescopic rod 48, and the first chuck 6 is controlled to rotate by starting the first motor 2, and the drill bit is driven to rotate at the same time, and the drill bit is unscrewed from the drill rod, so as to realize the disassembly of the drill rod and the drill bit.

[0039] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0040] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A quick disassembly device for a drill rod and drill bit of a blast furnace rock drill, used for disassembling a drill rod and drill bit, the disassembly device comprising a disassembly platform (1), characterized in that: A first motor (2) is fixed above the disassembly platform (1), a first chuck (6) for fixing a drill bit is fixed on the output shaft of the first motor (2), a fixing bracket (3) for fixing a drill rod is slidably provided on the disassembly platform (1), an adjustment component (4) for adjusting the position of the fixing bracket (3) is fixed on the disassembly platform (1), a storage bracket (5) for storing drill rods and drill bits to be disassembled is fixed on one side of the disassembly platform (1), and the adjustment component (4) can control the fixing bracket (3) to be moved out of the disassembly platform (1); The adjustment component (4) comprises an adjustment bracket, on which a clamp is fixed; The adjustment bracket comprises a second motor (41) fixed below the tabletop of the disassembly platform (1); the output shaft of the second motor (41) passes through the tabletop of the disassembly platform (1) and is fixed with a vertical first electric telescopic rod (42); a second electric telescopic rod (43) is vertically fixed on the output shaft of the first electric telescopic rod (42); a U-shaped connecting fork (44) is fixed on the output shaft of the second electric telescopic rod (43); a connecting strip (45) is rotatably provided on the U-shaped connecting fork (44); a third motor (46) for driving the connecting strip (45) to rotate is fixed on one side of the U-shaped connecting fork (44); and a clamp is fixed on the connecting strip (45).

2. A blast furnace rock drill drill bit quick disassembly device according to claim 1, characterized in that: A rectangular slide groove (11) is provided above the disassembly platform (1), and the rectangular slide groove (11) is parallel to the axis of the first motor (2). The fixed bracket (3) includes a first slider (31) that slidably cooperates with the rectangular slide groove (11). A first connecting plate (32) is vertically fixed above the first slider (31), and a through hole (33) is provided on the first connecting plate (32). A second clamp (34) is fixed on the first connecting plate (32).

3. A blast furnace rock drill drill bit quick disassembly device according to claim 2, characterized in that: The clamp comprises symmetrically distributed clamping plates (47), and a third electric telescopic rod (48) is fixedly connected between the two clamping plates (47).

4. A blast furnace rock drill drill rod and drill bit quick disassembly device according to claim 3, characterized in that: The storage bracket (5) comprises a first support plate (51) fixed to one side of the disassembly platform (1), and a mounting hole (53) for mounting a drill rod is provided on the first support plate (51).

5. A blast furnace rock drill drill bit quick disassembly device according to claim 4, characterized in that: The storage bracket (5) further comprises a second support plate (52), the first support plate (51) is located above the second support plate (52), and the second support plate (52) is provided with a socket (54) for supporting a drill bit.

6. A blast furnace rock drill drill bit quick disassembly device according to claim 5, characterized in that: When the fixed bracket (3) is located in the rectangular slide groove (11), the first clamp (6) and the second clamp (34) correspond to each other.

7. A blast furnace rock drill drill bit quick disassembly device according to claim 6, characterized in that: The first chuck (6) and the second chuck (34) are both three-jaw chucks.

8. A blast furnace rock drill drill bit quick disassembly device according to claim 7, characterized in that: A second sliding block (35) is also slidably arranged in the rectangular sliding groove (11), a second connecting plate (36) is vertically fixed above the second sliding block (35), a supporting block (37) is fixed on the second connecting plate (36), a conical groove (38) is arranged on a side of the supporting block (37) close to the first motor (2), and a connecting rod (39) is fixedly connected between the first sliding block (31) and the second sliding block (35).

Citation Information

Patent Citations

  • Drill rod automatic adding device and drill rod automatic adding method

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  • Angle-adjustable drill rod loading and unloading device, working method thereof and horizontal directional drilling machine

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  • Cast-in-situ bored pile construction auxiliary device

    CN117569749A

  • Rig floor manipulator

    CN208220681U

  • Drilling machine capable of automatically and additionally connecting drill rod

    CN215057106U