Cooling water pipe trepanning drill bit
By introducing a gear train and a magnetic block structure into the cooling water pipe drill bit, the problem of iron pieces falling off after drilling is solved. The iron pieces are then attached to the outside of the pipe during the drilling process, preventing blockage and improving the safety and convenience of operation.
Patent Information
- Application Number
- CN202423064550.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing drill bits used for pipe drilling often produce metal fragments that fall into the pipe after drilling, causing blockages.
A cooling water pipe drilling bit was designed, which adopts a gear system and a magnetic block structure. Through gear meshing and magnetic attraction, the drilled iron piece is ensured to adhere to the outside of the pipe and avoid falling into the pipe.
It effectively prevents iron pieces from entering the pipe during drilling, avoiding blockages and improving the safety and convenience of drilling.
Smart Images
Figure CN223557325U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal pipeline opening technology field, specifically point to a kind of cooling water pipe trepanning drill. BACKGROUND
[0002] When branch is opened to the installed cooling water pipe, generally, first, the hole slightly smaller than the diameter of pipeline is drilled on the surface of pipeline by drill bit, then other pipeline is fixed at the place by welding to form new branch.
[0003] After the drill bit used for pipeline drilling drills hole in pipeline, the round sheet generated by drilling falls into the inside of pipeline, and the iron sheet left in the inside of pipeline easily blocks pipeline, which causes adverse effect on pipeline. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem that the drill bit used for pipeline drilling in the prior art makes the iron sheet drilled fall into pipeline after drilling through pipeline, which causes the problem of pipeline blockage.
[0005] To solve the above problems, the utility model adopts the technical scheme of a kind of cooling water pipe trepanning drill, including drill bit body, the lateral middle part of drill bit body is fixed with baffle, the middle part of baffle is equipped with round hole, the rotating shaft is equipped in round hole, the top of rotating shaft is fixed with gear one, the upper side of gear one is rotatably provided with connecting plate, the lower side of connecting plate is rotatably provided with gear two engaged with gear one, the inner engagement tooth ring engaged with gear two is fixed in the inside of drill bit body, the bottom of rotating shaft is fixed with arc metal sheet, and the lower side of arc metal sheet is uniformly arranged and fixed with a plurality of magnet blocks.
[0006] As a further scheme of the utility model: the upper side of baffle, arc metal sheet and magnet block is equipped with a plurality of hollow holes, and the top of the inside of drill bit body is equipped with through hole, the through hole and hollow hole are passed through by thin wooden pole, so as to top off the adsorbed iron sheet.
[0007] As a further scheme of the utility model: a plurality of cutting teeth are fixed on the bottom of drill bit body, which are used for cutting pipeline.
[0008] As a further scheme of the utility model: the length of inner engagement tooth ring is greater than the length of gear one and gear two, which can reserve space for the sliding of rotating shaft.
[0009] As a further scheme of the utility model: the top of drill bit body is fixed with connecting rod, which is used for being fixed with drilling equipment.
[0010] As a further scheme of the utility model: the length of rotating shaft is equal to the length of inner engagement tooth ring, which is convenient for the engagement between gear two and inner engagement tooth ring when rotating shaft moves to the inside of drill bit body.
[0011] The utility model discloses a cooling water pipe drilling head, including the drill body, the pivot, the gear one, the connecting plate, the gear two, the inner meshing tooth ring, the arc metal sheet and the magnet block, the pivot is connected to the drill body, the gear one is connected to the pivot, the gear two is connected to the pivot, the inner meshing tooth ring is connected to the gear one, the arc metal sheet is connected to the pivot, the magnet block is connected to the arc metal sheet, the utility model has increased the planetary gear train that is composed of the gear one, the gear two, the inner meshing tooth ring, and has increased the magnet block structure, and the magnet block is adsorbed on the pipeline surface, and the position of the pivot will be fixed, can not rotate, when the drill body rotates, will drive the gear two to rotate, will not influence the gear one, so when drilling, the magnet block is always contacted with the pipeline, when drilling is completed, the iron sheet that drills also will be attached under the magnet block, will not fall into the pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:
[0013] Figure 1 It is the overall structure solid of the cooling water pipe drilling head in the utility model Figure 1 .
[0014] Figure 2 It is the overall structure solid of the cooling water pipe drilling head in the utility model Figure 2 .
[0015] Figure 3 It is the overall structure sectional view of the cooling water pipe drilling head in the utility model.
[0016] Figure 4 It is the pivot overall structure schematic view of the cooling water pipe drilling head in the utility model.
[0017] In the drawings:
[0018] 1, drill body;2, baffle;3, pivot;4, gear one;5, connecting plate;6, gear two;7, inner meshing tooth ring;8, arc metal sheet;9, magnet block;10, connecting rod;1.1, through hole;1.2, cutting tooth cutter;2.1, round hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] The utility model provides a kind of technical scheme: to solve the existing problems proposed in background art.
[0021] Combined with the drawings Figures 1-4It can be known that the drill bit body 1 is provided with the partition plate 2 fixed on the inside middle part of the drill bit body 1, the circular hole 2.1 is arranged in the middle part of the partition plate 2, the rotating shaft 3 is arranged in the circular hole 2.1, the gear one 4 is fixed on the top end of the rotating shaft 3, the connecting plate 5 is rotatably arranged on the upper side of the gear one 4, the gear two 6 is rotatably arranged on the lower side of the connecting plate 5 and engaged with the gear one 4, the inner engagement tooth ring 7 engaged with the gear two 6 is fixed on the inside of the drill bit body 1, the arc metal sheet 8 is fixed on the bottom end of the rotating shaft 3, the plurality of magnet blocks 9 are uniformly arranged and fixed on the lower side of the arc metal sheet 8, the plurality of cutting tooth knives 1.2 are fixed on the bottom of the drill bit body 1 and used for cutting the pipeline, the length of the inner engagement tooth ring 7 is greater than the length of the gear one 4 and the gear two 6, so that the space for the sliding of the rotating shaft 3 is reserved, the connecting rod 10 is fixed on the top end of the drill bit body 1 and used for being fixed with the drilling equipment, the length of the rotating shaft 3 is equal to the length of the inner engagement tooth ring 7, so that the gear two 6 and the inner engagement tooth ring 7 are always engaged when the rotating shaft 3 moves to the inside of the drill bit body 1.
[0022] The plurality of hollow holes are arranged on the upper sides of the partition plate 2, the arc metal sheet 8 and the magnet block 9, the through hole 1.1 is arranged on the top of the inside of the drill bit body 1, the thin wooden rod passes through the through hole 1.1 and the hollow hole, so that the adsorbed iron sheet is pushed off.
[0023] The working principle of the present application is as follows: when the cooling pipeline is drilled, the drill bit body 1 is first installed on the output end of the drilling machine, then the plurality of magnet blocks 9 are aligned with the positions of the pipeline outer side wall which need to be drilled, the magnet blocks 9 are adsorbed on the pipeline outer side wall, then the drilling machine is started to drive the drill bit body 1 to rotate, the cutting tooth knife 1.2 cuts the pipeline, the inner engagement tooth ring 7 in the drill bit body 1 rotates synchronously, the rotating of the inner engagement tooth ring 7 drives the gear two 6 to rotate, since the magnet block 9 is attached to the upper side of the pipeline, the rotating shaft 3 does not rotate, the gear two 6 only performs the circular motion along the gear one 4, when the cutting depth increases, the rotating shaft 3 gradually moves upward along the circular hole 2.1, the gear two 6 also moves upward along the inner engagement tooth ring 7, until the cutting is completed, the cut round iron sheet is still adsorbed on the lower side of the magnet block 9 and does not fall into the pipeline, then the thin wooden rod passes through the through hole 1.1 and the hollow hole, so that the adsorbed iron sheet is pushed off.
[0024] The above describes the present application and its implementation mode, which is not limited, the embodiment shown in the drawings is only one of the present application, and the actual structure is not limited thereto. In summary, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the present application, the similar structure mode and embodiment are not creatively designed, which should belong to the protection scope of the present application.
Claims
1. A cooling water pipe borehole drill bit comprising a bit body (1), characterized in that: The middle part of the drill bit body (1) is transversely fixed with a partition plate (2), a circular hole (2.1) is formed in the middle part of the partition plate (2), a rotating shaft (3) is arranged in the circular hole (2.1), a gear one (4) is fixed at the top end of the rotating shaft (3), a connecting plate (5) is rotatably arranged on the upper side of the gear one (4), a gear two (6) is rotatably arranged on the lower side of the connecting plate (5) and is engaged with the gear one (4), an internal engagement tooth ring (7) is fixed on the inner side of the drill bit body (1) and is engaged with the gear two (6), an arc metal sheet (8) is fixed at the bottom end of the rotating shaft (3), and a plurality of magnet blocks (9) are uniformly arranged and fixed on the lower side of the arc metal sheet (8).
2. A cooling water tube borehole drill head according to claim 1, characterized in that: A plurality of hollow holes are formed in the upper sides of the partition plate (2), the arc metal sheet (8) and the magnet blocks (9), and a through hole (1.1) is formed in the top of the inner side of the drill bit body (1).
3. The cooling water tube borehole drill bit of claim 1, wherein: A plurality of cutting tooth knives (1.2) are fixed on the bottom of the drill bit body (1).
4. The cooling water tube borehole drill according to claim 1, characterized in that: The length of the internal engagement tooth ring (7) is greater than the lengths of the gear one (4) and the gear two (6).
5. The cooling water tube borehole drill bit of claim 1, wherein: A connecting rod (10) is fixed at the top end of the drill bit body (1).
6. The cooling water tube borehole drill according to claim 1, characterized in that: The length of the rotating shaft (3) is equal to the length of the internal engagement tooth ring (7).