CN216197903U - Rotary drilling rig drill bit convenient to replace rapidly - Google Patents
Rotary drilling rig drill bit convenient to replace rapidly Download PDFInfo
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- CN216197903U CN216197903U CN202122777499.5U CN202122777499U CN216197903U CN 216197903 U CN216197903 U CN 216197903U CN 202122777499 U CN202122777499 U CN 202122777499U CN 216197903 U CN216197903 U CN 216197903U
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- drill bit
- rod
- drilling rig
- rotary drilling
- fixedly connected
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Abstract
The utility model discloses a rotary drilling rig drill bit convenient for quick replacement, which comprises a rotary drilling rig drill bit and a rotating rod, wherein the center position of the top surface of the rotary drilling rig drill bit is fixedly connected with a first connecting rod, the top surface of the first connecting rod is fixedly connected with a first connecting plate, the center position of the bottom surface of the rotating rod is fixedly connected with a second connecting rod, the bottom surface of the second connecting rod is fixedly connected with a second connecting plate, and a first spring is fixedly arranged between the top surface of the second connecting plate and the bottom surface of the rotating rod; the connecting screw rod can be conveniently and quickly taken down in a rotating mode, the whole connecting screw rod and internal parts are made of high-strength metal materials, the stability in connection and use is guaranteed, the connecting screw rod is not easy to damage, the whole assembling and disassembling process is simple and quick, workers do not need to knock, and damage to a drill bit and machinery in knocking is avoided.
Description
Technical Field
The utility model relates to the technical field of drill bit replacement, in particular to a rotary drilling rig drill bit convenient to replace quickly.
Background
The rotary drill is a construction process suitable for pore-forming operation in building foundation engineering, is widely applied to foundation construction engineering such as municipal construction, highway bridges, high-rise buildings and the like, is matched with different drilling tools, and is suitable for pore-forming operation of dry (short spiral) or wet (rotary bucket) and rock strata (core drill), and common rotary drills comprise a spiral drill, a rotary excavating bucket, a cylindrical coring drill, a bottom expanding drill, an impact drill, a grab cone drill and a hydraulic grab bucket.
The rotary drill bit among the prior art uses many pin rods to run through the junction when connecting for fixed drill bit, and fixed process needs the workman to pound the pin rod into comparatively difficultly in the middle of the connecting hole, and the environment of drill bit work is comparatively abominable, and the dead condition of card often appears in the middle of the connecting hole in the pin rod, and this kind of condition is handled comparatively awkwardly.
Therefore, a drill bit of the rotary drilling rig convenient for quick replacement needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a rotary drilling rig drill bit convenient to replace quickly.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a rotary drilling rig drill bit convenient for quick replacement comprises a rotary drilling rig drill bit and a rotating rod, wherein a first connecting rod is fixedly connected to the center of the top surface of the rotary drilling rig drill bit, a first connecting plate is fixedly connected to the top surface of the first connecting rod, a second connecting rod is fixedly connected to the center of the bottom surface of the rotating rod, a second connecting plate is fixedly connected to the bottom surface of the second connecting rod, a first spring is fixedly installed between the top surface of the second connecting plate and the bottom surface of the rotating rod, and connecting structures are arranged on the first connecting plate and the second connecting plate;
the connecting structure comprises a connecting hole, the connecting hole is formed in the first connecting plate and the second connecting plate, the inner face of the connecting hole is clamped and connected with a connecting screw rod, the bottom face of the connecting screw rod is fixedly connected with a supporting plate, the inner face of the bottom of the connecting screw rod is connected with a bolt in a threaded mode, the top face of the bolt is fixedly connected with a trapezoidal block, pin rods are connected to two inclined faces of the trapezoidal block in a sliding mode and penetrate through the pin rods and are connected to the side wall of the connecting screw rod in a sliding mode, a fixing plate is fixedly sleeved on the outer edge of each pin rod in a sleeved mode, and a second spring is fixedly installed between the side face of the fixing plate and the inner face of the connecting screw rod.
Preferably, one end of each pin rod, which is positioned inside the connecting screw rod, is provided with a bevel which is parallel to the bevel of the trapezoidal plate.
Preferably, the connecting hole becomes convex style of calligraphy, two the bottom surface is all laminated with the corner of connecting hole when round pin pole joint.
Preferably, the bottom surface of the bolt penetrates out of the supporting plate through the vertical rod, and the bottom surface of the bolt is fixedly connected with the hexagonal rotating wheel.
Preferably, the outer edge of the bolt is provided with threads, and the inner surface of the connecting screw rod is provided with threads corresponding to the outer edge of the bolt.
Preferably, the connecting screw rod and the internal components thereof are made of high-strength metal materials.
The utility model has the following beneficial effects:
through setting up spread groove, connecting screw, can take off connecting screw convenient and fast through rotatory mode, whole connecting screw and inside spare part all adopt the metal material of high strength to make, have guaranteed the stability when connecting the use, can not take place easily to damage, and the process of whole dismouting is simple swift, does not need the workman to strike, has avoided the harm that brings drill bit and machinery when strikeing.
Drawings
FIG. 1 is a schematic front view of a rotary drilling rig bit convenient for quick replacement according to the present invention;
FIG. 2 is an enlarged schematic view of a structure at the position A of a drill bit of the rotary drilling rig convenient for quick replacement, which is provided by the utility model;
FIG. 3 is an enlarged schematic view of a connecting screw of a rotary drilling rig drill bit convenient for quick replacement according to the present invention;
in the figure: the rotary drilling machine comprises a rotary drilling machine drill bit 1, a rotating rod 2, a first connecting rod 3, a first connecting plate 4, a second connecting rod 5, a second connecting plate 6, a first spring 7, a connecting hole 8, a connecting screw 9, a butting plate 10, a bolt 11, a trapezoidal block 12, a pin rod 13, a fixing plate 14, a second spring 15 and a hexagonal runner 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a rotary drilling rig drill bit convenient for quick replacement comprises a rotary drilling rig drill bit 1 and a rotating rod 2, wherein a first connecting rod 3 is fixedly connected to the center of the top surface of the rotary drilling rig drill bit 1, a first connecting plate 4 is fixedly connected to the top surface of the first connecting rod 3, a second connecting rod 5 is fixedly connected to the center of the bottom surface of the rotating rod 2, a second connecting plate 6 is fixedly connected to the bottom surface of the second connecting rod 5, a first spring 7 is fixedly installed between the top surface of the second connecting plate 6 and the bottom surface of the rotating rod 2, and connecting structures are arranged on the first connecting plate 4 and the second connecting plate 6;
connection structure includes connecting hole 8, connecting hole 8 is seted up on first connecting plate 4 and second connecting plate 6, the inside card of connecting hole 8 is with being connected with connecting screw 9, connecting screw 9's bottom surface fixedly connected with supports board 10, threaded connection has bolt 11 on connecting screw 9's the bottom inner face, bolt 11's top surface fixedly connected with trapezoidal piece 12, equal sliding connection has pin 13 on two inclined planes of trapezoidal piece 12, two pin 13 run through and sliding connection on connecting screw 9's lateral wall, equal fixed the cup jointing has fixed plate 14 on two pin 13's the outer fringe, fixed mounting has second spring 15 between fixed plate 14's the side and connecting screw 9's the inner face.
Referring to fig. 3, the ends of the two pins 13 inside the connecting screw 9 are each provided in the form of a slope parallel to the slope of the trapezoidal plate.
Referring to fig. 2, the connecting hole 8 is convex, and the bottom surfaces of the two pin rods 13 are attached to the corners of the connecting hole 8 when the two pin rods are clamped.
Referring to fig. 3, the bottom surface of the bolt 11 passes through the support plate 10 through the vertical rod, and the bottom surface is fixedly connected with a hexagonal runner 16.
Referring to fig. 3, the outer edge of the bolt 11 is provided with a thread, and the inner surface of the connecting screw 9 is provided with a thread corresponding to the outer edge of the bolt 11.
Referring to fig. 3, the connecting screw 9 and its internal components are made of high-strength metal material.
The specific working principle of the utility model is as follows:
when the drill bit 1 of the rotary drilling machine is replaced, firstly, the hexagonal rotating wheel 16 is rotated by using a special tool to drive the bolt 11 to rotate, the bolt 11 rotates and moves downwards to drive the trapezoidal block 12 to move downwards, the pin rods 13 are always attached to the inclined surfaces of the trapezoidal block 12 under the action of the elastic force of the second spring 15, when the trapezoidal block 12 moves downwards, the two pin rods 13 can move towards the direction close to each other, when the pin rods 13 move out of the clamping and locating with the connecting holes 8, the connecting screw rods 9 can be taken down, the drill bit can be taken down by separating the first connecting plate 4 from the second connecting plate 6, when a new drill bit is installed, the connecting holes 8 on the first connecting plate 4 and the second connecting plate 6 are aligned with the connecting holes 8, and then the connecting screw rods 9 are installed in the connecting holes, and then the drill bit can be fixed by rotating the hexagonal rotating wheel 16.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A rotary drilling rig drill bit convenient for quick replacement comprises a rotary drilling rig drill bit (1) and a rotating rod (2), and is characterized in that a first connecting rod (3) is fixedly connected to the center of the top surface of the rotary drilling rig drill bit (1), a first connecting plate (4) is fixedly connected to the top surface of the first connecting rod (3), a second connecting rod (5) is fixedly connected to the center of the bottom surface of the rotating rod (2), a second connecting plate (6) is fixedly connected to the bottom surface of the second connecting rod (5), a first spring (7) is fixedly installed between the top surface of the second connecting plate (6) and the bottom surface of the rotating rod (2), and connecting structures are arranged on the first connecting plate (4) and the second connecting plate (6);
the connecting structure comprises connecting holes (8), the connecting holes (8) are arranged on the first connecting plate (4) and the second connecting plate (6), the inner surface of the connecting hole (8) is clamped and connected with a connecting screw rod (9), the bottom surface of the connecting screw rod (9) is fixedly connected with a resisting plate (10), the inner surface of the bottom of the connecting screw rod (9) is connected with a bolt (11) in a threaded manner, the top surface of the bolt (11) is fixedly connected with a trapezoidal block (12), two inclined surfaces of the trapezoidal block (12) are respectively connected with a pin rod (13) in a sliding way, the two pin rods (13) penetrate through and are connected with the side wall of the connecting screw rod (9) in a sliding way, the outer edges of the two pin rods (13) are respectively fixedly sleeved with a fixing plate (14), and a second spring (15) is fixedly arranged between the side surface of the fixing plate (14) and the inner surface of the connecting screw rod (9).
2. The rotary drilling rig drill bit convenient for quick replacement as claimed in claim 1, characterized in that one end of each of the two pin rods (13) inside the connecting screw rod (9) is provided in the form of a slope parallel to the slope of the trapezoidal plate.
3. The rotary drilling rig drill bit convenient for quick replacement according to claim 1, wherein the connecting hole (8) is in a convex shape, and the bottom surfaces of the two pin rods (13) are attached to the corners of the connecting hole (8) when the two pin rods are clamped.
4. The rotary drilling rig drill bit convenient for quick replacement according to claim 1, characterized in that the bottom surface of the bolt (11) penetrates through the abutting plate (10) through a vertical rod and is fixedly connected with a hexagonal runner (16).
5. The rotary drilling rig drill bit convenient for quick replacement as claimed in claim 1, characterized in that the outer edge of the bolt (11) is provided with threads, and the inner face of the connecting screw rod (9) is provided with threads corresponding to the outer edge of the bolt (11).
6. The rotary drilling rig drill bit convenient for quick replacement as claimed in claim 1, characterized in that the connecting screw rod (9) and the internal components thereof are made of high-strength metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777499.5U CN216197903U (en) | 2021-11-12 | 2021-11-12 | Rotary drilling rig drill bit convenient to replace rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777499.5U CN216197903U (en) | 2021-11-12 | 2021-11-12 | Rotary drilling rig drill bit convenient to replace rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216197903U true CN216197903U (en) | 2022-04-05 |
Family
ID=80910492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122777499.5U Active CN216197903U (en) | 2021-11-12 | 2021-11-12 | Rotary drilling rig drill bit convenient to replace rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216197903U (en) |
-
2021
- 2021-11-12 CN CN202122777499.5U patent/CN216197903U/en active Active
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