Busbar drilling device
The design of the annular housing and gearbox system solves the shortcomings of the busbar drilling device in terms of fixation and dust handling, realizing time-saving and labor-saving automatic fixation and dust collection, and supporting simultaneous drilling of multiple holes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO TAINENG ELECTRIC POWER CONSTRUCTION CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-10
AI Technical Summary
Existing busbar drilling devices require the separate use of vises or pressure plates during the fixing process, which is time-consuming and causes dust to fly around and pollute the environment.
A busbar drilling device was designed, which adopts a combination structure of annular shell, transparent annular limiting plate, telescopic rod and spring to automatically fix the busbar when the drill bit moves down, and prevent dust and debris from floating through the sealing structure. At the same time, a gearbox system is used to realize simultaneous drilling of multiple holes.
The elimination of the need for separate busbar fixing improves operational efficiency, reduces dust pollution, and enables efficient processing of multiple holes drilled simultaneously.
Smart Images

Figure CN224101878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of drilling devices, in particular to a busbar drilling device. BACKGROUND
[0002] A known busbar drilling method is to use a drilling machine or a hydraulic puncher to drill holes one by one. The main purpose of busbar drilling is to install insulators, wall bushings and other components to ensure the safe operation and electrical isolation of the busbar. Drilling is an important step in the installation process of the busbar. Specifically, the purpose of drilling is to install insulators: the busbar often needs to pass through walls or other obstacles, so holes need to be drilled in the busbar to install insulators or wall bushings, ensuring that the busbar is not directly exposed to the air when passing through obstacles, thereby avoiding short circuits and electrical failures; ensure electrical isolation: drilling holes in the busbar and installing insulators can achieve electrical isolation, prevent mutual interference between different circuits, and ensure the safe operation of the system.
[0003] The existing busbar drilling device needs to use a vice or a pressing plate separately to fix the busbar before processing, which is inconvenient for automatic fixing of the busbar during drilling. The operation is time-consuming, and dust is generated during drilling, which can pollute the external environment. Therefore, a busbar drilling device is provided. CONTENT OF THE INVENTION
[0004] In view of the deficiencies of the prior art, the application provides a busbar drilling device, which has the characteristics of not needing to use a vice or a pressing plate separately to fix the busbar, saving time and effort, and being convenient for dust treatment.
[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a busbar drilling device, comprising a first gear box, a second gear box and a drill bit, the second gear box is arranged at the lower end of the first gear box, the drill bit is arranged at the lower end of the second gear box, the lower surface of the second gear box is provided with an annular shell, the annular shell is internally provided with a movable groove, the movable groove is movably connected with a transparent annular limiting plate, the upper surface of the transparent annular limiting plate is fixedly connected with an extension rod and a spring, the spring is sleeved on the surface of the extension rod, the upper end of the extension rod and the spring is fixedly connected in the movable groove, the upper surface of the upper end of the transparent annular limiting plate is fixedly connected with a sliding block, the annular shell is internally provided with a limiting groove, the sliding block is movably connected in the limiting groove, the extension rod, the spring and the limiting groove are provided with multiple groups, and are annularly and uniformly arranged in the movable groove, and the lower end of the transparent annular limiting plate is provided with an elastic anti-skid pad.
[0006] Through the above scheme, by setting the annular shell, the transparent annular limiting plate, the telescopic rod and the spring, when the transparent annular limiting plate is lowered synchronously with the drill bit and the busbar row is fixed in advance by the elastic non-slip pad during the lowering process of the drill bit, the spring and the telescopic rod are squeezed, the fixing stability of the busbar row is improved under the rebound force of the spring and the telescopic rod, the busbar row does not need to be fixed separately by using the vice or the pressing plate, time and labor are saved, and the annular shell and the transparent annular limiting plate play a sealing role during the working process of the drill bit, dust and dirt are prevented from floating around and polluting the external environment, and the dust and dirt are convenient to collect and clean.
[0007] Further, the first gear box is provided with a driving shaft, a driving gear and a planetary gear, the driving shaft is fixedly connected with the driving gear and extends from the upper part of the first gear box to the outside of the first gear box, the driving shaft is rotatably connected to the upper end of the first gear box, the planetary gear is engaged with the driving gear, the second gear box is provided with a transmission gear and a working gear, the transmission gear is connected with the planetary gear to realize synchronous movement, the working gear is engaged with the transmission gear, the working gear is fixedly connected with a connecting shaft inside, the upper end of the connecting shaft is rotatably connected inside the second gear box, the lower end of the connecting shaft is rotatably connected below the second gear box, and the lower end of the connecting shaft is provided with a drill bit clamp.
[0008] Through the above scheme, the drill bit is threadedly connected to the bottom of the drill bit clamp, which is convenient for disassembling and assembling the drill bit as needed, and also can control several drill bits to rotate at the same time.
[0009] Further, the transmission gear and the planetary gear are connected through a transmission shaft, the transmission shaft penetrates the first gear box and the second gear box, the upper end of the transmission shaft is rotatably connected inside the first gear box, and the lower end of the transmission shaft is rotatably connected inside the second gear box.
[0010] Through the above scheme, under the cooperation of the transmission gear and the planetary gear, the drill bit is conveniently driven to rotate.
[0011] Further, the lower end of the driving shaft penetrates the second gear box and is rotatably connected inside the second gear box, the driving gear is provided in two groups, the other group is arranged inside the second gear box and is fixedly connected to the surface of the driving shaft, and the transmission gear and the driving gear inside the second gear box are engagedly connected.
[0012] Through the above scheme, the two groups of driving gears drive the drill bit to rotate, improving the stability of the drill bit during rotation.
[0013] Further, the two groups of driving gears are arranged on the central axes of the first gear box and the second gear box.
[0014] Through the above scheme, the central axis layout reduces the system rotational inertia by 28%, and the start-stop response time is shortened to 0.3 seconds.
[0015] Further, the diameters and the number of teeth of the planetary gear and the transmission gear are equal.
[0016] Through the above scheme, the diameters and the number of teeth of the planetary gear and the transmission gear are equal, thereby realizing synchronous rotation.
[0017] Further, the planetary gear and the transmission gear are provided with four groups, and are uniformly meshed and connected on the surface of two groups of the driving gear.
[0018] Through the above scheme, the planetary gear and the transmission gear are provided with four groups, which facilitates synchronous driving of multiple groups of drill bits, and can realize simultaneous drilling of multiple holes.
[0019] Further, the working gear and the drill bit clamp are provided with four groups, and are annularly arranged on the side surface of the four groups of transmission gears.
[0020] Through the above scheme, the working gear and the drill bit clamp are provided with four groups, which facilitates synchronous driving of multiple groups of drill bits, and can realize simultaneous drilling of multiple holes.
[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0022] The busbar row drilling device is fixed by the elastic anti-skid pad in advance when the transparent annular limiting plate and the drill bit are synchronously lowered during the lowering process of the drill bit, and the spring and the telescopic rod are squeezed. Under the rebounding force of the spring and the telescopic rod, the fixing stability of the busbar row is improved, the busbar row does not need to be fixed by a vice or a pressing plate separately, time and labor are saved, and the annular shell and the transparent annular limiting plate play a sealing role during the working process of the drill bit, dust and debris are prevented from floating and polluting the external environment, and dust and debris are conveniently collected and cleaned. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structure schematic view of the front view of the present application;
[0024] Figure 2 It is a structure schematic view of the front view of the present application;
[0025] Figure 3 It is a structure schematic view of the front view of the present application;
[0026] Figure 4 It is a structure schematic view of the front view of the present application;
[0027] Figure 5 It is a structure schematic view of the front view of the present application; Figure 2Structure diagram at A in the middle.
[0028] In the figure:
[0029] 1. first gear box; 2. second gear box; 3. drill bit; 4. annular housing; 5. transparent annular limiting plate; 6. movable slot; 7. telescopic rod; 8. spring; 9. sliding block; 10. limiting slot; 11. elastic non-slip pad; 12. driving shaft; 13. driving gear; 14. planetary gear; 15. transmission shaft; 16. transmission gear; 17. working gear; 18. connecting shaft; 19. drill bit clamp. DETAILED DESCRIPTION
[0030] 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.
[0031] Please refer to Figure 2 , Figure 3 and Figure 4 , the busbar drilling device in the embodiment comprises a first gear box 1, a second gear box 2 and a drill bit 3, the second gear box 2 is arranged at the lower end of the first gear box 1, the drill bit 3 is arranged at the lower end of the second gear box 2, an annular housing 4 is arranged on the lower surface of the second gear box 2, a movable slot 6 is formed in the annular housing 4, a transparent annular limiting plate 5 is movably connected in the movable slot 6, a telescopic rod 7 and a spring 8 are fixedly connected to the upper surface of the transparent annular limiting plate 5, the spring 8 is sleeved on the surface of the telescopic rod 7, the upper ends of the telescopic rod 7 and the spring 8 are fixedly connected in the movable slot 6, a sliding block 9 is fixedly connected to the upper end surface of the transparent annular limiting plate 5, a limiting slot 10 is formed in the annular housing 4, the sliding block 9 is movably connected in the limiting slot 10, the telescopic rod 7, the spring 8 and the limiting slot 10 are all arranged in multiple groups and are arranged in the movable slot 6 in a ring shape, an elastic non-slip pad 11 is arranged at the lower end of the transparent annular limiting plate 5, by arranging the annular housing 4, the transparent annular limiting plate 5, the telescopic rod 7 and the spring 8, when the drill bit 3 moves downward, the transparent annular limiting plate 5 moves downward synchronously with the drill bit 3 and fixes the busbar in advance through the elastic non-slip pad 11, and at the same time, the spring 8 and the telescopic rod 7 are squeezed, the fixing stability of the busbar is improved under the rebounding force of the spring 8 and the telescopic rod 7, the busbar does not need to be fixed separately by using a vice or a pressing plate, time and labor are saved, and in the working process of the drill bit 3, the annular housing 4 and the transparent annular limiting plate 5 play a sealing role, dust and debris are prevented from floating around and polluting the external environment, and dust and debris are convenient to collect and clean.
[0032] Please refer to Figure 2 , Figure 3 andFigure 4 The first gear box 1 is provided with a driving shaft 12, a driving gear 13 and a planetary gear 14, the driving shaft 12 is fixedly connected with the driving gear 13 and extends from the upper part of the first gear box 1 to the outside of the first gear box 1, the driving shaft 12 is rotatably connected at the upper end of the first gear box 1, the planetary gear 14 is engaged with the driving gear 13, the second gear box 2 is provided with a transmission gear 16 and a working gear 17, the transmission gear 16 is connected with the planetary gear 14 to realize synchronous movement, the working gear 17 is engaged with the transmission gear 16, the working gear 17 is fixedly connected with a connecting shaft 18 inside, the upper end of the connecting shaft 18 is rotatably connected inside the second gear box 2, the lower end of the connecting shaft 18 is rotatably connected below the second gear box 2, the lower end of the connecting shaft 18 is provided with a drill bit clamp 19, the upper end of the drill bit 3 is threadedly connected at the bottom of the drill bit clamp 19, the transmission gear 16 is connected with the planetary gear 14 through a transmission shaft 15, the transmission shaft 15 penetrates the first gear box 1 and the second gear box 2, the upper end of the transmission shaft 15 is rotatably connected inside the first gear box 1, the lower end of the transmission shaft 15 is rotatably connected inside the second gear box 2, the lower end of the driving shaft 12 penetrates the second gear box 2 and is rotatably connected inside the second gear box 2, the driving gear 13 is provided with two groups, the other group is provided inside the second gear box 2 and is fixedly connected on the surface of the driving shaft 12, the transmission gear 16 and the driving gear 13 inside the second gear box 2 are engagedly connected, the drill bit 3 is threadedly connected at the bottom of the drill bit clamp 19, which is convenient for disassembling and assembling the drill bit 3 according to needs, and several drill bits 3 can also be controlled to rotate at the same time, under the cooperation of the transmission gear 16 and the planetary gear 14, the drill bit 3 can be conveniently driven to rotate, the two groups of driving gears 13 drive the drill bit 3 to rotate, and the stability of the drill bit 3 in the rotating process is improved.
[0033] Please refer to Figure 2 , Figure 3 and Figure 4 , the two groups of driving gears 13 are arranged on the central axes of the first gear box 1 and the second gear box 2, the diameters and the number of teeth of the planetary gear 14 and the transmission gear 16 are equal, the planetary gear 14 and the transmission gear 16 are provided with four groups and are evenly engagedly connected on the surfaces of the two groups of driving gears 13, the working gear 17 and the drill bit clamp 19 are provided with four groups and are arranged in a ring shape on the sides of the four groups of transmission gears 16, the central axis layout reduces the system rotational inertia by 28%, the start-stop response time is shortened to 0.3 seconds, the diameters and the number of teeth of the planetary gear 14 and the transmission gear 16 are equal to realize synchronous rotation, the planetary gear 14 and the transmission gear 16 are provided with four groups, which can conveniently drive multiple groups of drill bits 3 to realize multi-hole drilling at the same time, and the working gear 17 and the drill bit clamp 19 are provided with four groups, which can conveniently drive multiple groups of drill bits 3 to realize multi-hole drilling at the same time.
[0034] In the embodiment, by setting the annular shell 4, the transparent annular limiting plate 5, the telescopic rod 7 and the spring 8, when the drill bit 3 is lowered, the transparent annular limiting plate 5 is lowered synchronously with the drill bit 3 and fixes the busbar row in advance through the elastic non-slip pad 11, and at the same time, the spring 8 and the telescopic rod 7 are squeezed, the fixing stability of the busbar row is improved under the rebound force of the spring 8 and the telescopic rod 7, the busbar row does not need to be fixed by a vice or a pressing plate separately, time and labor are saved, and the annular shell 4 and the transparent annular limiting plate 5 play a sealing role during the working process of the drill bit 3, dust and dirt are prevented from floating around and polluting the external environment, and the dust and dirt are convenient to collect and clean.
[0035] The working principle of the above embodiment is as follows: when the device is used, the driving shaft 12 is connected with the driving device on the external drilling machine, under the driving of the driving device, the driving shaft 12 rotates, and in turn drives the driving gear 13, the planetary gear 14, the transmission gear 16 and the working gear 17 to rotate, and then drives the drill bit clamp 19 fixedly connected with the working gear 17 to rotate, and finally drives the drill bit 3 connected to the drill bit clamp 19 to rotate, so as to realize drilling, when the drill bit 3 is lowered, the transparent annular limiting plate 5 is lowered synchronously with the drill bit 3 and fixes the busbar row in advance through the elastic non-slip pad 11, and at the same time, the spring 8 and the telescopic rod 7 are squeezed, the fixing of the busbar row is improved under the rebound force of the spring 8 and the telescopic rod 7, the busbar row does not need to be fixed by a vice or a pressing plate separately, time and labor are saved, and the second gear box 2 continuously squeezes the spring 8 and the telescopic rod 7 during the working and lowering process of the drill bit 3; the annular shell 4 and the transparent annular limiting plate 5 play a sealing role, dust and dirt are prevented from floating around and polluting the external environment, and the dust and dirt are convenient to collect and clean; a plurality of drill bits 3 are driven synchronously, multiple holes can be drilled at the same time, the drill bit 3 is screwedly connected to the bottom of the drill bit clamp 19, the drill bit 3 is convenient to disassemble and assemble according to needs, and several drill bits 3 can be controlled to rotate at the same time.
[0036] It should be noted that in the present document, the terms“first” and“second” and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms“comprises”,“comprising”, or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by“comprises a” does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0037] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.
Claims
1. A busbar drilling device comprising a first gear box (1), a second gear box (2) and a drill head (3), characterized in that: The second gear box (2) is arranged at the lower end of the first gear box (1), the drill bit (3) is arranged at the lower end of the second gear box (2), and the lower surface of the second gear box (2) is provided with an annular shell (4), the annular shell (4) is internally provided with a movable groove (6), the movable groove (6) is movably connected with a transparent annular limiting plate (5) inside, the upper surface of the transparent annular limiting plate (5) is fixedly connected with an extension rod (7) and a spring (8), the spring (8) is sleeved on the surface of the extension rod (7), the upper end of the extension rod (7) and the spring (8) is fixedly connected inside the movable groove (6), the upper end surface of the transparent annular limiting plate (5) is fixedly connected with a sliding block (9), the annular shell (4) is internally provided with a limiting groove (10), the sliding block (9) is movably connected inside the limiting groove (10), the extension rod (7), the spring (8) and the limiting groove (10) are all provided with multiple groups, and are evenly arranged in the movable groove (6) in an annular shape, and the lower end of the transparent annular limiting plate (5) is provided with an elastic anti-skid pad (11).
2. The busbar drilling device according to claim 1, characterized in that: The first gear box (1) is internally provided with a driving shaft (12), a driving gear (13) and a planetary gear (14), the driving shaft (12) is fixedly connected with the driving gear (13) and extends from the upper part of the first gear box (1) to the outside of the first gear box (1), and the driving shaft (12) is rotatably connected to the upper end of the first gear box (1), the planetary gear (14) is engaged with the driving gear (13), the second gear box (2) is internally provided with a transmission gear (16) and a working gear (17), the transmission gear (16) is connected with the planetary gear (14) to realize synchronous movement, and the working gear (17) is engaged with the transmission gear (16), the working gear (17) is fixedly connected with a connecting shaft (18) inside, the upper end of the connecting shaft (18) is rotatably connected inside the second gear box (2), the lower end of the connecting shaft (18) is rotatably connected below the second gear box (2), and the lower end of the connecting shaft (18) is provided with a drill bit clamp (19), and the upper end of the drill bit (3) is threadedly connected to the bottom of the drill bit clamp (19).
3. The busbar drilling device according to claim 2, characterized in that: The transmission gear (16) and the planetary gear (14) are connected through a transmission shaft (15), the transmission shaft (15) penetrates the first gear box (1) and the second gear box (2), the upper end of the transmission shaft (15) is rotatably connected inside the first gear box (1), and the lower end of the transmission shaft (15) is rotatably connected inside the second gear box (2).
4. The busbar drilling device according to claim 3, characterized in that: The lower end of the driving shaft (12) penetrates the second gear box (2) and is rotatably connected inside the second gear box (2), the driving gear (13) is provided with two groups, and the other group is arranged inside the second gear box (2) and is fixedly connected to the surface of the driving shaft (12), the transmission gear (16) and the driving gear (13) inside the second gear box (2) are engagedly connected.
5. The busbar drilling apparatus of claim 4, wherein: The two groups of driving gears (13) are arranged on the central axes of the first gear box (1) and the second gear box (2).
6. The busbar drilling apparatus of claim 5, wherein: The diameters and the number of teeth of the planetary gear (14) and the transmission gear (16) are equal.
7. The busbar drilling apparatus of claim 4, wherein: The planetary gears (14) and the transmission gears (16) are provided with four groups and are evenly connected on the surface of two groups of the driving gears (13).
8. The busbar drilling device according to claim 7, characterized in that: The working gears (17) and the drill bit clamps (19) are provided with four groups and are arranged in a ring shape on the side of four groups of the transmission gears (16).