Anchor rod drill bit convenient to disassemble
The new anchor drill bit design with a new disassembly and assembly structure utilizes a rotating movable collar and spring-pressed insertion rod to detach from the insertion hole, achieving rapid disassembly. This solves the problems of cumbersome replacement of existing anchor drill bits and the impact of humid environments, thereby improving work efficiency and project progress.
Patent Information
- Application Number
- CN202423108577.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing anchor drill bit is fixed to the mounting base with bolts. After long-term use, the drill bit will be damaged or need to be replaced. The operation is cumbersome, the humid environment will cause the bolts to rust, increase the difficulty of disassembly, and affect work efficiency and project progress.
The new disassembly and assembly structure includes an anchor drill bit body, a connecting rod, an installation base, a movable collar, a spring, and a clamping block. By rotating the movable collar, the insert rod squeezes the spring to disengage from the insertion hole, and the spring compresses the clamping block to disengage from the limiting groove, thus achieving quick disassembly.
It improves the efficiency of drill bit replacement, saves time and effort, reduces disassembly difficulty, and ensures that the project progress is not affected.
Smart Images
Figure CN223952611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of anchor rod drill bit, especially to a convenient anchor rod drill bit of dismounting. BACKGROUND
[0002] Anchor rod is a kind of deep into stratum tensile member, and its two ends are connected with stratum and artificial building facilities respectively, and it is mainly used in mine, and sometimes also used for the main body reinforcement of tunnel and dam body, and anchor rod drill bit is a drilling tool used for fixing anchor rod.
[0003] But the existing anchor rod drill bit and mounting seat are fixed by bolt, and long-term use can cause the damage of drill bit or need to replace different drill bits, the operation of replacing drill bit is more cumbersome, and long-term humid environment can also affect bolt and make it rust, greatly strengthen the difficulty of subsequent dismounting, and also affect the work efficiency of workers, time-consuming and labor-consuming, affect the progress of the whole project.
[0004] Therefore, in view of the problems that the existing anchor rod drill bit and mounting seat are fixed by bolt, long-term use can cause the damage of drill bit or need to replace different drill bits, the operation of replacing drill bit is more cumbersome, and long-term humid environment can also affect bolt and make it rust, greatly strengthen the difficulty of subsequent dismounting, and also affect the work efficiency of workers, time-consuming and labor-consuming, affect the progress of the whole project, a kind of anchor rod drill bit of convenient dismounting and installation can be designed, the work efficiency of replacement is greatly improved by using new dismounting structure mode, time and labor are saved, and the work progress of the whole project is not affected. CONTENT OF UTILITY MODEL
[0005] In order to overcome the problems that the existing anchor rod drill bit and mounting seat are fixed by bolt, long-term use can cause the damage of drill bit or need to replace different drill bits, the operation of replacing drill bit is more cumbersome, and long-term humid environment can also affect bolt and make it rust, greatly strengthen the difficulty of subsequent dismounting, and also affect the work efficiency of workers, time-consuming and labor-consuming, affect the progress of the whole project.
[0006] The utility model discloses a technical scheme for a conveniently-detachable anchor rod drill bit, which comprises an anchor rod drill bit body, a connecting rod fixedly arranged at the lower end surface of the anchor rod drill bit body, a limiting groove formed on the outer part of the connecting rod, four insertion holes formed on the four end surfaces of the connecting rod, a mounting base arranged below the anchor rod drill bit body, an arc-shaped sliding groove formed in the inside of the mounting base, a movable sleeve ring sleeved on the outside of the mounting base, four first springs arranged on the four end surfaces of the inside of the movable sleeve ring, an insertion rod arranged at one end of the first spring and inserted into the insertion hole, four clamping blocks arranged on the four end feet of the inside of the mounting base, and four second springs arranged between the four clamping blocks and the inner wall of the mounting base.
[0007] Preferably, when the anchor rod drill bit body is disassembled, the movable sleeve ring is rotated, the insertion rod inserted into the insertion hole is pressed to one side under the action of force, the first spring on one side of the insertion rod is pressed, the insertion rod is separated from the insertion hole, the anchor rod drill bit body is pulled upward, the four clamping blocks are pressed to one side, the second spring on one side of the clamping block is compressed, the clamping block is separated from the limiting groove formed in the inside of the connecting rod, the multiple positioning clamping plates on the upper end surface of the mounting base are separated from the positioning clamping groove formed on the lower end surface of the anchor rod drill bit body, and the whole is separated from the mounting groove in the inside of the mounting base to complete the disassembly.
[0008] Preferably, the inside of the mounting base is provided with a mounting groove, and the connecting rod is inserted into the mounting groove.
[0009] Preferably, the four end surfaces of the inside of the movable sleeve ring are provided with limiting grooves, and the insertion rod and the movable sleeve ring are penetrated through the limiting grooves.
[0010] Preferably, a limiting plate is fixedly arranged between the insertion rod and the first spring.
[0011] Preferably, the inside of the second spring is provided with an elastic rod located at one end of the clamping block.
[0012] Preferably, the upper end surface of the mounting base is provided with multiple positioning clamping plates arranged uniformly in diameter, and the lower end surface of the anchor rod drill bit body is provided with multiple positioning clamping grooves arranged uniformly in diameter.
[0013] Preferably, the positioning clamping plate is clamped into the positioning clamping groove, and the outer surface of the movable sleeve ring is provided with an anti-skid strip.
[0014] The utility model has the advantages that:
[0015] When the anchor rod drill body is disassembled, the movable collar is rotated, the inserting rod inserted into the inserting hole is extruded to one side under the action of force, the first spring on one side of the inserting rod is extruded, and the inserting rod is separated from the inserting hole, at this time, the anchor rod drill body is pulled upward, the four clamping blocks are also extruded to one side, the second spring on one side of the clamping block is compressed, and the clamping block is separated from the limiting groove in the connecting rod, at the same time, the plurality of positioning clamping plates on the upper end surface of the mounting base are separated from the positioning clamping groove in the lower end surface of the anchor rod drill body, finally, the whole is separated from the mounting groove in the mounting base, and the disassembly is completed, the novel disassembly and assembly structure greatly improves the work efficiency of replacement, saves time and effort, and does not affect the work progress of the whole project. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic view of the anchor rod drill bit is shown.
[0017] Figure 2 A three-dimensional structure schematic view of the anchor rod drill bit and the base connection cross section is shown.
[0018] Figure 3 A three-dimensional structure schematic view of the anchor rod drill bit is shown. Figure 2 A three-dimensional structure schematic view of the anchor rod drill bit is shown.
[0019] Figure 4 A three-dimensional structure schematic view of the anchor rod drill bit is shown.
[0020] Figure 5 A three-dimensional structure schematic view of the anchor rod drill bit is shown. Figure 4 A three-dimensional structure schematic view of the anchor rod drill bit is shown.
[0021] Explanation of reference signs: 1, anchor rod drill body; 2, mounting base; 3, movable collar; 4, positioning clamping plate; 5, connecting rod; 6, inserting hole; 7, limiting groove; 8, mounting groove; 9, arc-shaped sliding groove; 10, clamping block; 11, first spring; 12, inserting rod; 13, limiting groove; 14, second spring; 15, elastic rod; 16, positioning clamping groove. DETAILED DESCRIPTION
[0022] The utility model will be further explained in connection with the drawings and examples.
[0023] Please refer to Figures 1-5The utility model provides an embodiment: a kind of anchor rod drill bit of convenient disassembly, including anchor rod drill bit body 1, the lower end surface of anchor rod drill bit body 1 is fixedly provided with connecting rod 5, and the outside of connecting rod 5 is provided with limiting recess 7, and the four end faces of the surface of connecting rod 5 are all provided with insertion hole 6, and the below of anchor rod drill bit body 1 is provided with mounting base 2, and the inside of mounting base 2 is provided with arc-shaped sliding slot 9, and the outside of mounting base 2 is sleeved with movable collar 3, and the four end faces of the inside of movable collar 3 are all provided with first spring 11, and one end of first spring 11 is provided with insertion rod 12 located in the inside of arc-shaped sliding slot 9, and insertion rod 12 is inserted into insertion hole 6, and the four end feet of the inside of mounting base 2 are all provided with clamping block 10, and second spring 14 is arranged between four clamping blocks 10 and the inner wall of mounting base 2, and four clamping blocks 10 are clamped into limiting recess 7.
[0024] Please refer to Figures 1-3 In the embodiment, the inside of mounting base 2 is provided with mounting groove 8, and connecting rod 5 is inserted into mounting groove 8, and the four end faces of the inside of movable collar 3 are all provided with limiting slot 13, and insertion rod 12 and movable collar 3 are penetrated through limiting slot 13, and limiting plate is fixedly arranged between insertion rod 12 and first spring 11, when anchor rod drill bit body 1 is disassembled, movable collar 3 is rotated, so that insertion rod 12 inserted into the inside of insertion hole 6 is extruded to one side under the action of force, and then first spring 11 on one side of insertion rod 12 is extruded, and insertion rod 12 is also separated from insertion hole 6, and then anchor rod drill bit body 1 is pulled upwards, and then four clamping blocks 10 are also extruded to one side, so that second spring 14 on one side of four clamping blocks 10 is compressed, and then clamping block 10 is separated from limiting recess 7 arranged in the inside of connecting rod 5.
[0025] Please refer to Figures 4-5 In the embodiment, the inside of second spring 14 is provided with elastic rod 15 located at one end of clamping block 10, and a plurality of positioning clamping plates 4 are arranged on the upper end surface of mounting base 2 in a uniform manner, and a plurality of positioning clamping grooves 16 are arranged on the lower end surface of anchor rod drill bit body 1 in a uniform manner, and positioning clamping plate 4 is clamped into positioning clamping groove 16, and anti-skid strip is arranged on the outer surface of movable collar 3, and then a plurality of positioning clamping plates 4 on the upper end surface of mounting base 2 are separated from positioning clamping groove 16 arranged on the lower end surface of anchor rod drill bit body 1, and then the whole is separated from mounting groove 8 in the inside of mounting base 2, and then disassembly is completed, and the working efficiency of replacement is greatly improved by using the novel disassembly and assembly structure, and time and labor are saved, and the work progress of the whole project is not affected.
[0026] In the course of working, the anchor rod drill body 1 is detached, the rotating movable collar 3 is rotated, the plug rod 12 inserted into the plug hole 6 is pressed to one side under the action of force, the first spring 11 on one side of the plug rod 12 is pressed, the plug rod 12 is separated from the plug hole 6, the anchor rod drill body 1 is pulled up, the four clamping blocks 10 are pressed to one side, the second spring 14 on one side of the clamping block 10 is compressed, the clamping block 10 is separated from the limiting recess 7 in the connecting rod 5, the plurality of positioning clamping plates 4 on the upper end surface of the mounting seat 2 are separated from the positioning clamping groove 16 in the lower end surface of the anchor rod drill body 1, the whole is separated from the mounting groove 8 in the mounting seat 2, and the disassembly is completed. The novel dismounting structure greatly improves the work efficiency of replacement, saves time and effort, and does not affect the work progress of the whole project.
[0027] In the course of working, the anchor rod drill body 1 is detached, the rotating movable collar 3 is rotated, the plug rod 12 inserted into the plug hole 6 is pressed to one side under the action of force, the first spring 11 on one side of the plug rod 12 is pressed, the plug rod 12 is separated from the plug hole 6, the anchor rod drill body 1 is pulled up, the four clamping blocks 10 are pressed to one side, the second spring 14 on one side of the clamping block 10 is compressed, the clamping block 10 is separated from the limiting recess 7 in the connecting rod 5, the plurality of positioning clamping plates 4 on the upper end surface of the mounting seat 2 are separated from the positioning clamping groove 16 in the lower end surface of the anchor rod drill body 1, the whole is separated from the mounting groove 8 in the mounting seat 2, and the disassembly is completed. The novel dismounting structure greatly improves the work efficiency of replacement, saves time and effort, and does not affect the work progress of the whole project.
Claims
1. A conveniently detachable anchor rod drill bit comprising an anchor rod drill bit body (1), characterized in that: The lower end face of the anchor rod drill bit body (1) is fixedly provided with a connecting rod (5), the outer part of the connecting rod (5) is provided with a limiting groove (7), the four end faces of the surface of the connecting rod (5) are all provided with insertion holes (6), the lower part of the anchor rod drill bit body (1) is provided with a mounting seat (2), the inner part of the mounting seat (2) is provided with an arc-shaped sliding groove (9), the outer part of the mounting seat (2) is sleeved with a movable sleeve ring (3), the four end faces of the inner part of the movable sleeve ring (3) are all provided with first springs (11), one end of the first spring (11) is provided with an insertion rod (12) located in the arc-shaped sliding groove (9), the insertion rod (12) is inserted into the insertion hole (6), the four end feet of the inner part of the mounting seat (2) are all provided with clamping blocks (10), the second springs (14) are arranged between the four clamping blocks (10) and the inner wall of the mounting seat (2), and the four clamping blocks (10) are clamped into the limiting groove (7).
2. A conveniently detachable drill bit for rock bolts according to claim 1, characterized in that: The inner part of the mounting seat (2) is provided with a mounting groove (8), and the connecting rod (5) is inserted into the mounting groove (8).
3. A conveniently detachable drill bit for rock bolts according to claim 1, characterized in that: The four end faces of the inner part of the movable sleeve ring (3) are all provided with limiting grooves (13), and the insertion rod (12) and the movable sleeve ring (3) are penetrated through the limiting grooves (13).
4. A conveniently detachable drill bit for rock bolts according to claim 1, characterized in that: The limiting plate is fixedly arranged between the insertion rod (12) and the first spring (11).
5. A conveniently detachable drill bit for rock bolts according to claim 1, characterized in that: The inner part of the second spring (14) is provided with an elastic rod (15) located at one end of the clamping block (10).
6. A conveniently detachable drill bit for rock bolts according to claim 1, characterized in that: A plurality of positioning clamping plates (4) are arranged on the upper end face of the mounting seat (2) in a uniform manner through the diameter, and a plurality of positioning clamping grooves (16) are arranged on the lower end face of the anchor rod drill bit body (1) in a uniform manner through the diameter.
7. A conveniently detachable rock drill bit according to claim 6, characterized in that: The positioning clamping plate (4) is clamped into the positioning clamping groove (16), and the outer surface of the movable sleeve ring (3) is provided with an anti-skid strip.