Variable-diameter hydraulic square drill
By designing variable diameter hydraulic square drills, the adjustment and stability of the square drill processing size are achieved by using the coordination of the positioning rod and the reinforcement plate, the problem of fixed size limitation of the existing square drills is solved, and practicality is improved and costs are reduced.
Patent Information
- Application Number
- CN202421374561.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The drilling tools of some existing square drills are arranged in a fixed manner, resulting in only fixed-sized square holes that cannot meet different processing needs, and the cost of replacing drilling tools is high.
A variable diameter hydraulic square drill is designed to adjust the rotation angle of the housing and the distance between the drill tool through the coordination of the positioning rod and the positioning hole, thereby adjusting the processing size. At the same time, by replacing reinforcement plates of different lengths, the stability of the shell after adjustment is improved.
The processing size of the square drill is adjustable, which solves the problem of fixed size limitations, improves the practicality and stability of the square drill, and reduces the cost of replacing the drill tool.
Smart Images
Figure CN222626236U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drilling equipment, in particular to a hydraulic square drill with a variable diameter. Background Art
[0002] The rotary drilling square hole drill is a drill tool specially used for making square holes in materials by rotary drilling. It combines the characteristics of rotary cutting and square hole drill bits, and can complete the drilling of square holes efficiently and accurately.
[0003] The drill tools on some existing square drills are arranged in a fixed manner, and the positions of the drill tools are fixed, which means that the square drill can only process square holes of fixed sizes. This causes the drill tools to be replaced for different processing requirements, which is very costly. Therefore, we propose a variable diameter hydraulic square drill. Utility Model Content
[0004] The utility model aims to provide a hydraulic square drill with a variable diameter, which can solve the problem that the processing size of some existing square drills is limited.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a variable diameter hydraulic square drill, comprising:
[0006] The cover plate has two groups of shells at its bottom, two groups of fixed shafts are penetrated through the front and rear sides of the cover plate, the two groups of fixed shafts are clamped on the cover plate through pins, the two groups of shells are movably mounted on the corresponding fixed shafts, at least two groups of positioning holes are penetrated through the front and rear sides of the cover plate, two groups of positioning rods are penetrated through the front and rear sides of the cover plate through the corresponding positioning holes, and the two groups of shells are movably mounted on the corresponding positioning rods.
[0007] Preferably, a group of reinforcement plates are commonly provided at the bottom of the two groups of shells, and the reinforcement plates are fixedly installed at the bottom of the two groups of shells.
[0008] Preferably, a group of first drilling tools are provided on the front and rear sides of the two groups of shells, and a group of second drilling tools are provided on one side of the two groups of shells.
[0009] Preferably, three groups of speed changers are provided on the two groups of the housings, and the output shaft of each group of speed changers is fixedly connected to the corresponding first drilling tool and second drilling tool.
[0010] Preferably, at least two groups of drill teeth are fixedly mounted on the outer surfaces of the first drill tool and the second drill tool on the two groups of the housing.
[0011] Preferably, at least two groups of oil pipes are fixedly connected to the top of the cover plate, one end of each group of oil pipes is fixedly connected to a group of three-way connecting valves, and the other end of each group of oil pipes is communicated with the actuators of each speed changer.
[0012] Preferably, a mechanical connection square head is fixedly installed on the top of the cover plate, and at least two groups of reinforcing ribs are fixedly installed on the outer surface of the mechanical connection square head, and each group of reinforcing ribs is fixedly installed on the top of the cover plate.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1) The variable diameter hydraulic square drill can adjust the rotation angle of the two groups of shells on the cover plate through the cooperation of the positioning rod and the positioning hole, adjust the distance between the first drill tool and the second drill tool on one group of shells and the first drill tool and the second drill tool on the other group of shells, and then adjust the processing size of the square drill. This solves the problem that the drill tools on some existing square drills are fixed in arrangement and the positions of the drill tools are fixed, resulting in the square drill being able to only process square holes of fixed sizes, causing the drill tools to be replaced for different processing requirements, which is costly, and improves the practicality of the square drill.
[0015] (2) The variable diameter hydraulic square drill, through the cooperation of the shell and the reinforcement plate, when adjusting the distance between the two groups of shells, correspondingly, the reinforcement plates of different lengths are also replaced to connect and fix the two groups of shells, thereby improving the stability of the two groups of shells after adjustment, thereby improving the stability of the square drill, ensuring the use effect of the square drill, and facilitating the promotion and use of the square drill. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0017] Figure 1 It is a top perspective view of the utility model;
[0018] Figure 2 It is a bottom-up stereogram of the present utility model;
[0019] Figure 3 It is a front view of the utility model.
[0020] Figure numerals: 1. cover plate; 2. shell; 3. first drilling tool; 4. second drilling tool; 5. speed changer; 6. fixed shaft; 7. positioning rod; 8. positioning hole; 9. drill tooth; 10. oil pipe; 11. three-way connecting valve; 12. mechanical connection square head; 13. reinforcing rib; 14. reinforcement plate. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figure 1-3 The utility model provides a technical solution: a variable diameter hydraulic square drill, comprising a cover plate 1, two groups of shells 2 are arranged at the bottom of the cover plate 1, two groups of fixed shafts 6 are penetrated on the front and rear sides of the cover plate 1, the two groups of fixed shafts 6 are clamped on the cover plate 1 through latches, the two groups of shells 2 are movably sleeved on the corresponding fixed shafts 6, at least two groups of positioning holes 8 are penetrated on the front and rear sides of the cover plate 1, two groups of positioning rods 7 are penetrated on the front and rear sides of the cover plate 1 through the corresponding positioning holes 8, the two groups of shells 2 are movably sleeved on the corresponding positioning rods 7, and the rotation angle of the two groups of shells 2 on the cover plate 1 can be adjusted by cooperating with the positioning rods 7 and the positioning holes 8, and the first drilling tool 3 and the second drilling tool 4 on one group of shells 2 can be adjusted. The distance between the first drill tool 3 and the second drill tool 4 on another group of shells 2 can further adjust the processing size of the square drill, which solves the problem that the drill tools on some existing square drills are fixed in arrangement and the positions of the drill tools are fixed, resulting in the square drill only being able to process square holes of fixed sizes, causing the need to replace the drill tools for different processing requirements, which is costly. The practicability of the square drill is improved. Through the cooperation of the shell 2 and the reinforcement plate 14, when the distance between the two groups of shells 2 is adjusted, the reinforcement plates 14 of different lengths are correspondingly replaced, and the two groups of shells 2 are connected and fixed, thereby improving the stability of the two groups of shells 2 after adjustment, thereby improving the stability of the square drill, ensuring the use effect of the square drill, and being conducive to the promotion and use of the square drill.
[0023] Furthermore, a group of reinforcing plates 14 are commonly provided at the bottom of the two groups of shells 2, and the reinforcing plates 14 are fixedly installed at the bottom of the two groups of shells 2. A group of first drilling tools 3 are provided on the front and rear sides of the two groups of shells 2, and a group of second drilling tools 4 are provided on one side of the two groups of shells 2. Three groups of speed changers 5 are provided on the two groups of shells 2, and the output shaft of each group of speed changers 5 is fixedly connected to the corresponding first drilling tools 3 and second drilling tools 4. At least two groups of drill teeth 9 are fixedly installed on the outer surfaces of the first drilling tools 3 and the second drilling tools 4 on the two groups of shells 2. At least two groups of oil pipes 10 are fixedly connected to the top of the cover plate 1, and one end of each group of oil pipes 10 is fixedly connected to a group of three-way connecting valves 11, and the other end of each group of oil pipes 10 is communicated with the actuators of each speed changer 5. A mechanical connection square head 12 is fixedly installed on the top of the cover plate 1, and at least two groups of reinforcing ribs 13 are fixedly installed on the outer surface of the mechanical connection square head 12, and each group of reinforcing ribs 13 is fixedly installed on the top of the cover plate 1.
[0024] Working principle: Before use, adjust the distance between the two groups of shells 2, remove the two groups of positioning rods 7, rotate the two groups of shells 2 relative to the cover plate 1 through each fixed shaft 6, and after rotating to the corresponding angle, insert the two groups of positioning rods 7 into the corresponding positioning holes 8 for installation, fix the angles of the two groups of shells 2, and then install the reinforcement plates 14 of corresponding sizes on the bottom of the two groups of shells 2. When in use, the rotary drilling rig is connected to the mechanical connecting square head 12, and the oil pipe 10 is connected to the oil pipe of the hydraulic station or the rotary drilling rig through the three-way connecting valve 11, thereby driving each speed changer 5 to start, and each speed changer 5 drives each first drilling tool 3 and second drilling tool 4 to rotate to drill holes.
[0025] 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 variable diameter hydraulic square drill, characterized in that: include: A cover plate (1) is provided with two groups of shells (2) at its bottom, two groups of fixed shafts (6) are provided through the front and rear sides of the cover plate (1), the two groups of fixed shafts (6) are both connected to the cover plate (1) through latches, the two groups of shells (2) are both movably sleeved on the corresponding fixed shafts (6), at least two groups of positioning holes (8) are provided through the front and rear sides of the cover plate (1), two groups of positioning rods (7) are provided through the front and rear sides of the cover plate (1) through the corresponding positioning holes (8), and the two groups of shells (2) are both movably sleeved on the corresponding positioning rods (7).
2. The variable diameter hydraulic square drill according to claim 1, characterized in that: A group of reinforcing plates (14) are commonly provided at the bottom of the two groups of shells (2), and the reinforcing plates (14) are fixedly mounted on the bottom of the two groups of shells (2).
3. The variable diameter hydraulic square drill according to claim 2, characterized in that: A set of first drilling tools (3) is provided on the front and rear sides of the two sets of shells (2), and a set of second drilling tools (4) is provided on one side of the two sets of shells (2).
4. The variable diameter hydraulic square drill according to claim 3, characterized in that: Three groups of speed changers (5) are arranged on the two groups of housings (2), and the output shaft of each group of speed changers (5) is fixedly connected to the corresponding first drilling tool (3) and second drilling tool (4).
5. The variable diameter hydraulic square drill according to claim 4, characterized in that: At least two groups of drill teeth (9) are fixedly mounted on the outer surfaces of the first drill tool (3) and the second drill tool (4) on the two groups of housings (2).
6. The variable diameter hydraulic square drill according to claim 5, characterized in that: At least two groups of oil pipes (10) are fixedly connected to the top of the cover plate (1), one end of each group of oil pipes (10) is fixedly connected to a group of three-way connecting valves (11), and the other end of each group of oil pipes (10) is in communication with the actuators of each speed changer (5).
7. The variable diameter hydraulic square drill according to claim 6, characterized in that: A mechanical connection square head (12) is fixedly mounted on the top of the cover plate (1), and at least two groups of reinforcing ribs (13) are fixedly mounted on the outer surface of the mechanical connection square head (12), and each group of reinforcing ribs (13) is fixedly mounted on the top of the cover plate (1).