Drilling drill rod capable of being rapidly replaced

Abstract

The utility model discloses a drilling rod capable of being quickly replaced, and relates to the technical field of drilling rods. The drilling rod capable of being rapidly replaced comprises a connecting piece and two fixing screw rods, the connecting piece is used for being connected with a hydraulic motor on a coal mine slewing drilling machine, the connecting piece is in the prior art, a fixing cylinder is fixedly connected to the lower surface of the connecting piece, a mounting groove is formed in the lower surface of the fixing cylinder, and a guide rod is fixedly connected to the top of the mounting groove; first rectangular grooves communicating with the mounting groove are formed in the front surface and the rear surface of the mounting groove correspondingly, a mounting block is arranged in the mounting groove, the mounting block is slidably connected to the inner wall of the mounting groove, and the drill rod can be indirectly connected with a hydraulic motor on the coal mine slewing drilling machine by arranging a fixing cylinder and a connecting piece; and the drill rod and the fixed cylinder are fixedly connected in a clamping mode, so that the whole drill rod is convenient to mount and dismount, and the practicability of the drilling drill rod capable of being quickly replaced is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling rods, in particular to a drilling rod that can be quickly replaced. Background Art

[0002] The rotary drilling rig is driven by a power device to rotate the drilling rig's rotary device, thereby driving the drill rod with a drill bit to rotate, and the drill bit cuts the soil.

[0003] During the operation of the rotary drilling rig, the drilling rod must be replaced frequently, and the existing drilling rod is generally directly connected to the hydraulic motor. When replacing the drilling rod, the bolts need to be disassembled and assembled, which is time-consuming. At the same time, specific tools are required when disassembling and assembling the bolts. Without specific tools, the mold cannot be replaced, which will cause trouble for the disassembly and assembly of the mold and reduce the efficiency of mold replacement. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a drilling rod that can be quickly replaced, which can solve the problem that when replacing the drilling rod, the bolts need to be disassembled and assembled, and the disassembly and assembly of the bolts is relatively time-consuming.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drilling rod capable of being quickly replaced, comprising a connecting piece and two fixing screws, the connecting piece being used for connecting with a hydraulic motor on a rotary drilling rig in a coal mine;

[0008] Wherein, a fixed cylinder is fixedly connected to the lower surface of the connecting piece, a mounting groove is opened on the lower surface of the fixed cylinder, and a guide rod is fixedly connected to the top of the mounting groove;

[0009] The front and rear surfaces of the installation groove are both provided with a first rectangular groove communicating therewith, and a mounting block is arranged inside the installation groove, and the mounting block is slidably connected to the inner wall of the installation groove.

[0010] Preferably, a guide mounting hole is provided on the upper surface of the mounting block, the lower end of the guide rod is slidably inserted into the interior of the guide mounting hole, and second rectangular grooves are provided on the front and rear surfaces of the mounting block, and two springs are fixedly connected to the inner walls of the two second rectangular grooves.

[0011] Preferably, the inner walls of the two second rectangular grooves are slidably connected with fixed blocks, the two fixed blocks are respectively fixedly connected to the corresponding two springs, and the opposite surfaces of the two fixed blocks slide through the inner walls of the corresponding first rectangular grooves.

[0012] Preferably, the front and rear surfaces of the fixed cylinder are both fixedly connected with first fixing plates, and the two first fixing plates are both located above the first rectangular groove.

[0013] Preferably, the front and rear surfaces of the fixed cylinder are both fixedly connected with second fixing plates, the two second fixing plates are both located below the first rectangular groove, and the lower surface of the mounting block is fixedly connected with a connecting disc.

[0014] Preferably, a drill rod is welded to the lower surface of the connecting disc, and corresponding threaded holes are provided on the two first fixing plates, the two fixing blocks, the two second fixing plates and the connecting disc.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The drilling rod that can be quickly replaced can indirectly connect the drill rod to the hydraulic motor on the coal mine rotary drill rig by setting a fixed cylinder and a connecting piece, and then complete the fixed connection between the drill rod and the fixed cylinder by adopting a clamping method, which is convenient for the installation and disassembly of the drill rod as a whole, and improves the practicality of the drilling rod that can be quickly replaced.

[0018] (2) The drilling rod that can be quickly replaced is provided with a connecting disc, and the lower surface of the connecting disc can be welded with drill rods of different specifications to adapt to the installation of different drill rods, thereby further improving the practicality of the drilling rod that can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a bottom view of the lower surface of the connecting disc of the utility model;

[0022] Figure 3 This is a bottom view of the lower surface of the fixed cylinder of the utility model;

[0023] Figure 4 This is a schematic diagram of the connection between the mounting block and the fixed cylinder of the utility model.

[0024] Figure numerals: 1, connecting piece; 2, first fixing plate; 3, fixing screw; 4, drill rod; 5, connecting disc; 6, second fixing plate; 7, fixing block; 8, fixing cylinder; 9, threaded hole; 10, first rectangular groove; 11, guide rod; 12, mounting groove; 13, spring; 14, guide mounting hole; 15, mounting block; 16, second rectangular groove. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] See also Figure 1-4 , the utility model provides a technical solution: a drilling rod capable of being quickly replaced, comprising a connecting piece 1 and two fixing screws 3, the connecting piece 1 is used for connecting with a hydraulic motor on a coal mine rotary drill, and the connecting piece 1 is a prior art;

[0030] The lower surface of the connecting member 1 is fixedly connected with a fixed cylinder 8, the lower surface of the fixed cylinder 8 is provided with a mounting groove 12, and the top of the mounting groove 12 is fixedly connected with a guide rod 11;

[0031] The front and rear surfaces of the installation groove 12 are both provided with a first rectangular groove 10 communicating therewith, and a mounting block 15 is arranged inside the installation groove 12 , and the mounting block 15 is slidably connected to the inner wall of the installation groove 12 .

[0032] Furthermore, a guide mounting hole 14 is provided on the upper surface of the mounting block 15, and the lower end of the guide rod 11 is slidably inserted into the interior of the guide mounting hole 14. Second rectangular grooves 16 are provided on the front and rear surfaces of the mounting block 15, and two springs 13 are fixedly connected to the inner walls of the two second rectangular grooves 16.

[0033] Furthermore, the inner walls of the two second rectangular grooves 16 are slidably connected with fixed blocks 7, and the two fixed blocks 7 are respectively fixedly connected to the corresponding two springs 13, and the opposite surfaces of the two fixed blocks 7 slide through the inner walls of the corresponding first rectangular grooves 10.

[0034] Furthermore, the front and rear surfaces of the fixed cylinder 8 are both fixedly connected with the first fixing plates 2 , and the two first fixing plates 2 are both located above the first rectangular groove 10 .

[0035] Furthermore, the front and rear surfaces of the fixed cylinder 8 are fixedly connected with the second fixing plates 6 , the two second fixing plates 6 are both located below the first rectangular groove 10 , and the lower surface of the mounting block 15 is fixedly connected with the connecting disc 5 .

[0036] Furthermore, a drill rod 4 is welded to the lower surface of the connecting disc 5 , and corresponding threaded holes 9 are provided on the two first fixing plates 2 , the two fixing blocks 7 , the two second fixing plates and the connecting disc 5 .

[0037] Furthermore, when the drill rod 4 is damaged and needs to be replaced, first use an external tool to rotate the two fixing screws 3 to remove the two fixing screws 3, and then press the two fixing blocks 7 to relative positions at the same time. The two fixing blocks 7 will slide through the two first rectangular grooves 10 to the inner walls of the two second rectangular grooves 16, and the four springs 13 will be compressed. When the two fixing blocks 7 completely enter the interior of the two second rectangular grooves 16, under the action of gravity and pulling the drill rod 4 downward, the mounting block 15 will be separated from the interior of the mounting groove 12, completing the disassembly of the drill rod 4, and then take out the new drill rod 4 as a whole, insert the mounting block 15 into the interior of the mounting groove 12, and at the same time insert the guide rod 11 into the interior of the guide mounting hole 14. When the two fixing blocks 7 are connected to the outer surface of the fixed cylinder 8, they will be squeezed into the two second rectangular grooves. 16, when the two fixing blocks 7 move to the positions of the two first rectangular grooves 10, under the action of the four springs 13, the two fixing blocks 7 will slide through the inner walls of the two first rectangular grooves 10, and then the two fixing screws 3 will be rotated in turn through the multiple threaded holes 9 to complete the overall fixation of the drill rod 4. By setting the fixing cylinder 8 and the connecting piece 1, the drill rod 4 can be indirectly connected to the hydraulic motor on the coal mine rotary drilling rig, and then the fixed connection between the drill rod 4 and the fixing cylinder 8 is completed by adopting a clamping method, which is convenient for the overall installation and disassembly of the drill rod 4, and improves the practicality of the drilling drill rod that can be quickly replaced. By setting the connecting disc 5, the lower surface of the connecting disc 5 can be welded with drill rods 4 of different specifications to adapt to the installation of different drill rods 4, further improving the practicality of the drilling drill rod that can be quickly replaced.

[0038] Working principle: When the drill rod 4 is damaged and needs to be replaced, first use an external tool to rotate the two fixing screws 3 to take out the two fixing screws 3, and then press the two fixing blocks 7 to relative positions at the same time. The two fixing blocks 7 will slide through the two first rectangular grooves 10 to the inner walls of the two second rectangular grooves 16, and the four springs 13 will be compressed. When the two fixing blocks 7 completely enter the interior of the two second rectangular grooves 16, under the action of gravity and pulling the drill rod 4 downward, the mounting block 15 will be separated from the interior of the mounting groove 12, completing the disassembly of the drill rod 4, and then take out the new drill rod 4 as a whole, insert the mounting block 15 into the interior of the mounting groove 12, and at the same time insert the guide rod 11 into the interior of the guide mounting hole 14. When the two fixing blocks 7 and When the outer surfaces of the fixed cylinder 8 are connected, they will be squeezed into the inside of the two second rectangular grooves 16. When the two fixed blocks 7 move to the position of the two first rectangular grooves 10, under the action of the four springs 13, the two fixed blocks 7 will slide through the inner walls of the two first rectangular grooves 10, and then the two fixed screws 3 are rotated in turn through the multiple threaded holes 9 to complete the overall fixation of the drill rod 4. By setting the fixed cylinder 8 and the connecting piece 1, the drill rod 4 can be indirectly connected to the hydraulic motor on the coal mine rotary drilling rig, and then the fixed connection between the drill rod 4 and the fixed cylinder 8 is completed by adopting a clamping method, which is convenient for the installation and disassembly of the drill rod 4 as a whole. By setting the connecting disc 5, the lower surface of the connecting disc 5 can be welded with drill rods 4 of different specifications.

[0039] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A drilling rod capable of rapid replacement, characterized in that: include: A connecting piece (1) and two fixing screws (3); The connecting piece (1) is used for connecting with the hydraulic motor on the coal mine rotary drilling rig; The lower surface of the connecting member (1) is fixedly connected to a fixed cylinder (8), the lower surface of the fixed cylinder (8) is provided with a mounting groove (12), and the top of the mounting groove (12) is fixedly connected to a guide rod (11); The front and rear surfaces of the installation groove (12) are both provided with a first rectangular groove (10) communicating therewith, and a mounting block (15) is arranged inside the installation groove (12), and the mounting block (15) is slidably connected to the inner wall of the installation groove (12).

2. A drilling rod capable of rapid replacement according to claim 1, characterized in that: The upper surface of the mounting block (15) is provided with a guide mounting hole (14), the lower end of the guide rod (11) is slidably inserted into the interior of the guide mounting hole (14), and the front and rear surfaces of the mounting block (15) are both provided with second rectangular grooves (16), and the inner walls of the two second rectangular grooves (16) are both fixedly connected with two springs (13).

3. A drilling rod capable of rapid replacement according to claim 2, characterized in that: The inner walls of the two second rectangular grooves (16) are both slidably connected with fixed blocks (7), the two fixed blocks (7) are respectively fixedly connected to the two corresponding springs (13), and the opposite surfaces of the two fixed blocks (7) respectively slide through the inner walls of the corresponding first rectangular grooves (10).

4. The quickly replaceable drilling rod according to claim 1, characterized in that: The front and rear surfaces of the fixed cylinder (8) are both fixedly connected to first fixed plates (2), and the two first fixed plates (2) are both located above the first rectangular groove (10).

5. The drilling rod capable of rapid replacement according to claim 1, characterized in that: The front and rear surfaces of the fixed cylinder (8) are fixedly connected to second fixed plates (6), the two second fixed plates (6) are both located below the first rectangular groove (10), and the lower surface of the mounting block (15) is fixedly connected to a connecting disc (5).

6. A drilling rod capable of rapid replacement according to claim 5, characterized in that: A drill rod (4) is welded to the lower surface of the connecting disc (5), and corresponding threaded holes (9) are provided on the two first fixing plates (2), the two fixing blocks (7), the two second fixing plates and the connecting disc (5).

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