Drill rod clamping mechanism for coal mine drilling machine

Abstract

The utility model relates to the technical field of drill rod clamping, and discloses a drill rod clamping mechanism for a coal mine drilling machine, which comprises a movable bearing component, a cleaning component, hydraulic components, a clamping component and a control detection component, the cleaning component is arranged at the bottom of the inside of the movable bearing component, the hydraulic components are symmetrically arranged inside the movable bearing component, and the clamping component is arranged in the movable bearing component. The clamping assembly is connected to one side of the hydraulic assembly in a sleeving mode, the control detection assembly is arranged on the top and inside the movable bearing assembly, the control detection assembly comprises a numerical controller, a transverse fixing body, a fixing support and a scanning detector, the numerical controller is arranged on one side of the top of a guide plate, and the transverse fixing body is connected to one side of a longitudinal fixing body; one side of the transverse fixing body is fixedly connected with the fixing support, and the scanning detector is fixedly connected to one side of the fixing support in a sleeving mode. Damage and defects, such as cracks and air holes, of the drill rod can be found in time, drilling accidents caused by using the damaged drill rod are avoided, and drilling safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of drill rod clamping, and more particularly to a drill rod clamping mechanism for a coal mine drill. Background Art

[0002] During the coal mining process, operations such as drilling and sampling coal seams or gas extraction are required, which requires the drilling rig to work stably and efficiently. The drill rod clamping mechanism, as one of the key components of the drilling rig, is of great significance for ensuring the normal operation of the drilling rig and improving drilling efficiency. The existing mechanism requires manual handheld water guns to clean the drill rods, which has the problems of low cleaning efficiency and high labor intensity. The lack of automated cleaning components will increase the labor burden of operators and fail to detect in time, which may lead to drilling accidents, increase maintenance costs, and shorten the service life of the drill rods. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a drill rod clamping mechanism for a coal mine drill rig to solve the problems existing in the above-mentioned background technology.

[0004] The utility model provides the following technical solution: a drill rod clamping mechanism for a coal mine drill rig, comprising a mobile bearing assembly, a cleaning assembly, a hydraulic assembly, a clamping assembly, and a control and detection assembly, wherein the cleaning assembly is mounted at the bottom of the mobile bearing assembly, the hydraulic assembly is symmetrically arranged inside the mobile bearing assembly, the clamping assembly is sleeved on one side of the hydraulic assembly, the control and detection assembly is arranged at the top and inside of the mobile bearing assembly, the control and detection assembly comprises a numerical controller, a transverse fixed body, a fixed bracket, and a scanning detector, the numerical controller is arranged on one side of the top of a guide plate, the transverse fixed body is connected to one side of the longitudinal fixed body, and one side of the transverse fixed body is fixedly connected to the fixed bracket, and the scanning detector is fixedly sleeved on one side of the fixed bracket;

[0005] Preferably, the movable bearing assembly includes a frame, universal wheels, a guide plate and a guide port, the universal wheels are symmetrically installed around the bottom of the frame, the guide plate is arranged on the top of the frame, and the guide port is arranged inside the guide plate.

[0006] Preferably, the cleaning assembly includes a motor, a turntable, a limiting hole, a longitudinal fixing body, a cleaning slot, a card strip and a brush. The motor is nested inside the bottom of the frame, and the output shaft of the motor is fixedly sleeved on the turntable through a transmission shaft. A limiting hole is provided on the top of the turntable, and the longitudinal fixing body is fixedly installed on one side of the top of the turntable, and a cleaning slot is provided inside the longitudinal fixing body. The card strip is movably connected to the inside of the cleaning slot, and a brush is provided on one side of the card strip.

[0007] Preferably, the hydraulic assembly includes a hydraulic cylinder, a hydraulic rod, a telescopic rod, a limiter and a clamping slot. The hydraulic cylinder is symmetrically installed around the frame. The hydraulic cylinder is fixedly installed with a hydraulic rod in turn, and the internal part of the hydraulic rod is movably connected to the telescopic rod. The limiter is fixedly installed on one side of the telescopic rod, and the clamping slot is opened at one end of the telescopic rod.

[0008] Preferably, the clamping assembly includes a clamping plate, a rubber body and a fixer, the fixer is fixedly mounted on one side of the clamping plate, and a uniform rubber body is provided on the other side of the clamping plate.

[0009] Technical effects and advantages of this utility model:

[0010] The utility model is provided with a movable bearing assembly and a cleaning assembly, which is conducive to removing coal dust and mud on the surface of the drill rod, reducing the wear of the drill rod caused by dirt accumulation, thereby extending the service life of the drill rod.

[0011] The utility model is provided with a cleaning component and a control detection component, which is conducive to timely detection of damage and defects of the drill rod, such as cracks, air holes, etc., to avoid drilling accidents caused by using a damaged drill rod and ensure drilling safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model and its partial cross-section.

[0014] Figure 3 For the utility model Figure 2 Schematic diagram of the structure of A in the figure.

[0015] Figure 4 For the utility model Figure 2 Schematic diagram of the structure of B.

[0016] The accompanying drawings are marked as follows: 1. Mobile bearing assembly; 101. Frame; 102. Universal wheel; 103. Guide plate; 104. Guide port; 2. Cleaning assembly; 201. Motor; 202. Turntable; 203. Limiting hole; 204. Longitudinal fixing body; 205. Cleaning slot; 206. Card strip; 207. Brush; 3. Hydraulic assembly; 301. Hydraulic cylinder; 302. Hydraulic rod; 303. Telescopic rod; 304. Limiting body; 305. Clamping slot; 4. Clamping assembly; 401. Clamping plate; 402. Rubber body; 403. Fixer; 5. Control and detection assembly; 501. CNC; 502. Horizontal fixing body; 503. Fixed bracket; 504. Scanning detector. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The drill rod clamping mechanism for a coal mine drill rig involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] Reference Figure 1-4 The utility model provides a drill rod clamping mechanism for a coal mine drill rig, comprising a mobile bearing assembly 1, a cleaning assembly 2, a hydraulic assembly 3, a clamping assembly 4, and a control and detection assembly 5, wherein the cleaning assembly 2 is mounted at the bottom of the mobile bearing assembly 1, the hydraulic assembly 3 is symmetrically arranged inside the mobile bearing assembly 1, the clamping assembly 4 is sleeved on one side of the hydraulic assembly 3, and the control and detection assembly 5 is arranged on the top and inside of the mobile bearing assembly 1;

[0019] The mobile bearing assembly 1 includes a frame 101, universal wheels 102, guide plates 103 and guide openings 104, wherein the universal wheels 102 are symmetrically installed around the bottom of the frame 101, the guide plates 103 are arranged at the top of the frame 101, and a guide opening 104 is provided inside the guide plates 103. The provision of the universal wheels 102 is conducive to pushing the entire mechanism forward, avoiding the need to move equipment and ensuring the physical strength of workers.

[0020] The cleaning component 2 includes a motor 201, a turntable 202, a limiting hole 203, a longitudinal fixing body 204, a cleaning slot 205, a card strip 206 and a brush 207, wherein the motor 201 is nested inside the bottom of the frame 101, and the output shaft of the motor 201 is fixedly sleeved on the turntable 202 through the transmission shaft. A limiting hole 203 is provided on the top of the turntable 202, and a cleaning slot 205 is provided inside the longitudinal fixing body 204. The card strip 206 is movably connected to the inside of the cleaning slot 205, and a brush 207 is provided on one side of the card strip 206, which is conducive to starting the motor 201, so that the cleaning component 2 rotates as a whole, and the coal slag on the drill rod is brushed off under the action of the brush 207.

[0021] The hydraulic assembly 3 includes a hydraulic cylinder 301, a hydraulic rod 302, a telescopic rod 303, a limiter 304 and a clamping slot 305, wherein the hydraulic cylinder 301 is symmetrically installed around the frame 101, the hydraulic rod 302 is fixedly installed on the hydraulic cylinder 301 in turn, and the internal movably sleeve of the hydraulic rod 302 is connected to the telescopic rod 303, the limiter 304 is fixedly installed on one side of the telescopic rod 303, and the clamping slot 305 is opened at one end of the telescopic rod 303, which is conducive to inputting hydraulic oil into the interior of the hydraulic rod 302 through the hydraulic cylinder 301 to control the extension and retraction of the telescopic rod 303.

[0022] The clamping assembly 4 includes a clamping plate 401, a rubber body 402 and a fixer 403, wherein the fixer 403 is fixedly installed on one side of the clamping plate 401, and a uniform rubber body 402 is provided on the other side of the clamping plate 401. The provision of the rubber body 402 is beneficial for further increasing the friction force to fix the drill rod when the clamping plate 401 clamps the drill rod.

[0023] The control and detection component 5 includes a numerical controller 501, a horizontal fixed body 502, a fixed bracket 503 and a scanning detector 504, wherein the numerical controller 501 is arranged on the top side of the guide plate 103, the horizontal fixed body 502 is connected to one side of the longitudinal fixed body 204, and one side of the horizontal fixed body 502 is fixedly connected to the fixed bracket 503, and the scanning detector 504 is fixedly sleeved on one side of the fixed bracket 503, which is conducive to the rotation of the cleaning component 2 while allowing the scanning detector 504 to scan the drill rod and detect damage to the drill rod.

[0024] The working principle of this utility model:

[0025] First, guide the bottom of the drill rod of the drill rig into the interior of the frame 101 through the guide port 104, so that the bottom of the drill rod is placed in the limiting hole 203 to maintain stability, and then release the drill rod from the drill rig;

[0026] Secondly, the worker controls the hydraulic cylinder 301 through the numerical controller 501 to start the hydraulic oil cylinder 301, allowing the hydraulic oil to enter the hydraulic rod 302, so that the limiter 304 pushes the telescopic rod 303 and the clamping assembly 4, allowing the clamping assembly 4 to clamp the drill rod. Then, the numerical controller 501 controls the start of the motor 201. The output shaft of the motor 201 drives the transmission shaft to rotate, causing the transmission shaft drive turntable 202 to rotate. During the rotation of the cleaning assembly 2, the brush 207 will clean the coal slag on the surface of the drill rod. At the same time, the scanning detector 504 scans and detects the surface of the drill rod during rotation, and sends the scanning results to the numerical controller 501 and displays them on the display of the numerical controller 501, reminding the worker whether the current drill rod needs to be replaced.

[0027] Finally, when it is necessary to match drill rods of different thicknesses, the clamping assembly 4 can be replaced by simply moving the rubber body 402 upward to separate the fixer 403 from the clamping slot 305. When the brush 207 is severely worn, the card strip 206 can also be removed upward to replace it.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0029] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0030] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drill rod clamping mechanism for a coal mine drill rig, comprising a mobile bearing assembly (1), a cleaning assembly (2), a hydraulic assembly (3), a clamping assembly (4) and a control and detection assembly (5), wherein the cleaning assembly (2) is mounted on the bottom of the mobile bearing assembly (1), the hydraulic assembly (3) is symmetrically arranged inside the mobile bearing assembly (1), the clamping assembly (4) is sleeved on one side of the hydraulic assembly (3), and the control and detection assembly (5) is arranged on the top and inside the mobile bearing assembly (1), characterized in that: The control and detection component (5) comprises a numerical controller (501), a transverse fixed body (502), a fixed bracket (503) and a scanning detector (504), wherein the numerical controller (501) is arranged on one side of the top of the guide plate (103), the transverse fixed body (502) is connected to one side of the longitudinal fixed body (204), and one side of the transverse fixed body (502) is fixedly connected to the fixed bracket (503), and the scanning detector (504) is fixedly sleeved on one side of the fixed bracket (503).

2. The drill rod clamping mechanism for a coal mine drill according to claim 1, characterized in that: The mobile bearing assembly (1) comprises a frame (101), universal wheels (102), a guide plate (103) and a guide opening (104), wherein the universal wheels (102) are symmetrically mounted around the bottom of the frame (101), the guide plate (103) is arranged on the top of the frame (101), and the guide opening (104) is arranged inside the guide plate (103).

3. The drill rod clamping mechanism for a coal mine drill according to claim 1, characterized in that: The cleaning assembly (2) comprises a motor (201), a turntable (202), a limiting hole (203), a longitudinal fixing body (204), a cleaning slot (205), a card strip (206) and a brush (207), wherein the motor (201) is nested inside the bottom of the frame (101), the output shaft of the motor (201) is fixedly sleeved on the turntable (202) via a transmission shaft, the top of the turntable (202) is provided with a limiting hole (203), the longitudinal fixing body (204) is fixedly mounted on one side of the top of the turntable (202), and a cleaning slot (205) is provided inside the longitudinal fixing body (204), the card strip (206) is movably connected inside the cleaning slot (205), and a brush (207) is provided on one side of the card strip (206).

4. The drill rod clamping mechanism for a coal mine drill according to claim 1, characterized in that: The hydraulic assembly (3) comprises a hydraulic cylinder (301), a hydraulic rod (302), a telescopic rod (303), a limiting body (304) and a clamping slot (305). The hydraulic cylinder (301) is symmetrically mounted on the four sides of the frame (101). The hydraulic rod (302) is fixedly mounted on the hydraulic cylinder (301) in sequence, and the interior of the hydraulic rod (302) is movably sleeved with the telescopic rod (303). The limiting body (304) is fixedly mounted on one side of the telescopic rod (303). The clamping slot (305) is provided at one end of the telescopic rod (303).

5. The drill rod clamping mechanism for a coal mine drill according to claim 1, characterized in that: The clamping assembly (4) comprises a clamping plate (401), a rubber body (402) and a fixer (403); the fixer (403) is fixedly mounted on one side of the clamping plate (401), and a uniform rubber body (402) is provided on the other side of the clamping plate (401).

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