CN110607990A - Variable-diameter drill bit and variable-diameter drill bit device - Google Patents
Variable-diameter drill bit and variable-diameter drill bit device Download PDFInfo
- Publication number
- CN110607990A CN110607990A CN201910765264.9A CN201910765264A CN110607990A CN 110607990 A CN110607990 A CN 110607990A CN 201910765264 A CN201910765264 A CN 201910765264A CN 110607990 A CN110607990 A CN 110607990A
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- CN
- China
- Prior art keywords
- drill bit
- variable
- diameter drill
- fixing
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention aims to provide a variable-diameter drill bit and a variable-diameter drill bit device. The invention can solve the problems that the existing hole digger for digging holes on the tower pole of the power grid can not change the diameter, the drill bits with different diameters are required to be arranged in different hole diameters, and the digging efficiency is low.
Description
Technical Field
The invention belongs to the technical field of earth boring machines, particularly relates to a variable-diameter drill bit of an earth boring machine for a power grid tower pole, and belongs to the field of electric power machinery.
Background
When the existing power supply line telegraph pole is used for erecting, construction is generally carried out manually or by matching a crane with manual work, the labor intensity is high, the pit digging cost is high, and then the problems are solved by the aid of a pit digging machine.
However, the mechanical arm of the earth boring machine for the power grid tower pole in the prior art adopts helical blades, and the earth boring machine mechanical arm has the following defects: the diameter of the hole can not be changed, the drill bits with different diameters are required to be arranged in different hole diameters, and the soil discharging rate is low.
Disclosure of Invention
The present invention is directed to a variable diameter drill bit to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the variable-diameter drill bit comprises an inverted U-shaped fixing plate, a second screw rod in transmission connection with the inverted U-shaped fixing plate, a fixed mounting seat in transmission connection with the second screw rod, an expanding push rod fixedly arranged at the bottom of the fixed mounting seat and a spiral drill bit fixedly connected with the expanding push rod.
Preferably, a handle fixedly connected with the input end of the second screw rod is arranged on the outer side surface of the inverted U-shaped fixing plate.
Preferably, one end of the second screw rod, which is far away from the center of the disc, is provided with a first slot.
Preferably, a second sliding block is formed on one side, close to the U-shaped fixing plate, of the fixing mounting seat, and a second sliding chute in sliding connection with the second sliding block is formed in the U-shaped fixing plate.
Preferably, the variable-diameter drill bit device comprises a disk, and at least one variable-diameter drill bit is fixedly arranged at the bottom of the disk.
Preferably, the number of the variable-diameter drill bits is 3 or 4.
Preferably, the variable-diameter drill bit device further comprises a lifting plate, a second motor is arranged at the top of the lifting plate, an output shaft of the second motor is fixedly connected with a rotating shaft penetrating through the lifting plate through a coupler, and the end part of the output end of the rotating shaft is fixedly connected with the disc in a threaded manner.
The invention has the following beneficial effects:
the variable-diameter drill bit drives the second screw rod to rotate through the rotating handle, so that the movement of the fixed mounting seat in the horizontal direction is controlled, the diameter-expanding push rod and the spiral drill bit are driven to horizontally move, and the diameter of the whole variable-diameter drill bit is changed;
the invention adopts the cooperation of a plurality of spiral drill bits, thereby enhancing the digging effect and enhancing the unearthing efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a robot arm of a earth boring machine of the present invention;
FIG. 2 is a schematic structural diagram of the variable diameter drill bit apparatus of the present invention;
fig. 3 is a schematic structural view of a U-shaped fixing plate according to the present invention.
In the figure: 1. \ 21274and a shaped fixing plate; 2. a second lead screw; 3. a lifting plate; 4. a fixed seat; 5. a speed reducer; 6. a first motor; 7. a motor support frame; 8. a motor; 9. a rotating shaft; 10. a disc; 11. a variable diameter pit digging device; 12. a U-shaped fixing plate; 13. a first lead screw; 14. fixing the mounting seat; 15. expanding the push rod; 16. a helical drill bit; 17. a handle; 18. a first slider; 19. a second slider; 20. installing a fixed panel; 21. a first screw bearing; 22. a second screw bearing; 23. a first slot; 24. a fixed arm; 25. a second slot; 26. a fixed shaft; 27. and (4) a fixing device.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a mechanical arm of a hole digger shown in figures 1-3, which consists of a lifting device and a variable-diameter drill bit device.
The lifting device comprises a v-21274, a shaped fixing plate 1, wherein the v-21274is connected to a first lead screw 2 through a first lead screw bearing 21 and a second lead screw bearing 22 in a transmission manner, the first lead screw 2 is connected to a fixing seat 4 with a lifting plate 3 through a lead screw nut in a transmission manner, and the lifting plate 3 is fixedly arranged on the fixing seat 4. A first sliding block 18 is formed on the side of the fixed seat 4 away from the lifting plate 3, and the v-21274is provided with a first sliding groove (not shown) connected with the first sliding block 18 in a sliding manner on the fixing plate 1, so as to increase the stability and strength of the up-and-down movement of the fixed seat 4. The input shaft of the first screw rod 2 is in transmission connection with the output shaft of a speed reducer 5 through a gear box (not shown in the figure), the input shaft of the speed reducer 5 is in transmission connection with the output shaft of a first motor 6 through a coupler (not shown in the figure), the speed reducer 5 and the first motor 6 are both arranged on a motor support frame 7 at the top of the V-shaped fixing plate 1, and the first motor 6 is a servo motor.
The variable diameter drill bit device includes: the drilling tool comprises a disc 10, wherein at least one variable-diameter drill 11 is fixedly arranged at the bottom of the disc 10, and 4 variable-diameter drills 11 are annularly and equidistantly arranged at the bottom of the disc 10.
Each variable-diameter drill bit 11 comprises an inverted U-shaped fixing plate 12, a second screw rod 13 in transmission connection with the inverted U-shaped fixing plate 12, a fixed mounting seat 14 in transmission connection with the second screw rod 13 through a screw nut, an expanding push rod 15 fixedly arranged at the bottom of the fixed mounting seat 14 and a spiral drill bit 16 fixedly connected with the expanding push rod 15, a handle 17 fixedly connected with the input end of the second screw rod 13 is arranged on the outer side surface of the inverted U-shaped fixing plate 12, and a first slot 21 is formed in one end, far away from the center of the disc 10, of the second screw rod 13.
The disc 10 is provided with 4 fixing devices 27 at positions corresponding to the positions of the inverted U-shaped fixing plate 12 in the circumferential direction, and the fixing devices 27 are used for fixing the two lead screws 13. Fixing device 27 includes fixed arm 24 and fixed axle 26, fixed arm 24 is provided with second slot 25 for first slot 21 position, will fixed axle 26 along first slot 21 and second slot 25 insert, realize fixing of fixing device 27 to second lead screw 13 to increase the stability of variable diameter drill bit 11 operation, guarantee that handle 17 is not become flexible in the operation of digging a pit, second lead screw 13 does not rotate.
A second sliding block 19 is formed on one side of the fixed mounting seat 14, which is close to the U-shaped fixed plate 12, and a second sliding chute which is slidably connected with the second sliding block 19 is formed on the U-shaped fixed plate 12, so as to increase the stability and strength of the horizontal movement of the fixed mounting seat 14.
The 21274; the mounting and fixing panel 20 is arranged on the shaped fixing plate 1 and is used for fixedly mounting the Contraband type fixing plate 1 on the earth boring machine.
The top of lifter plate 3 is provided with second motor 8, the output shaft of second motor 8 passes through shaft coupling (not shown in the figure) and runs through in lifter plate 3's pivot 9 fixed connection, the tip and the fixed spiro union of disc 10 of pivot 9 output.
When the device is used, the lifting device is powered by the first motor 6, is in transmission output with an output shaft of the speed reducer 5 through a gear box (not shown in the figure), and drives the fixed seat 4 and the lifting plate 3 to move in the vertical direction through the transmission of the first screw rod 2, so that the variable-diameter drill bit device consisting of the disc 10 and the variable-diameter drill bit 11 is driven to move up and down, and the spiral drill bit 16 moves up and down.
The diameter-variable drill bit device is driven by the second motor 8 to rotate the rotating shaft 9 to realize the rotation of the disc 10 and realize the power output of the diameter-variable drill bit 11.
When the radius of the variable diameter drill bit 11 needs to be adjusted, the fixing shaft 26 is drawn out from the first slot 21 and the second slot 25, and the limitation of the fixing device 27 on the second screw rod 13 is released. The variable-diameter drill bit 11 drives the second screw rod 13 to rotate through the rotating handle 17, so that the movement of the fixed mounting seat 14 in the horizontal direction is controlled, the diameter-expanding push rod 15 and the spiral drill bit 16 are driven to horizontally move, the diameter of the whole variable-diameter drill bit 11 is changed, and the problems that the existing hole digger for digging holes on the tower pole of the power grid cannot be changed in diameter and different hole diameters are provided with drill bits with different diameters can be solved.
When the radius of the variable diameter drill bit 11 is adjusted, the fixing shaft 26 is inserted into the first slot 21 and the second slot 25, so that the fixing device 27 fixes the second screw rod 13, the operation stability of the variable diameter drill bit 11 is improved, the handle 17 is not loosened during pit digging operation, and the second screw rod 13 is not rotated.
The invention adopts the cooperation of a plurality of spiral drill bits 16, enhances the digging effect, enhances the unearthing efficiency and solves the problem of low unearthing rate of the traditional drill bit.
In addition, the variable-diameter drill bit and the variable-diameter drill bit device provided by the embodiment of the invention are described in detail, the principle and the embodiment of the invention are explained by applying specific examples, and the description of the above embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The variable-diameter drill bit is characterized by comprising an inverted U-shaped fixing plate, a second screw rod in transmission connection with the inverted U-shaped fixing plate, a fixed mounting seat in transmission connection with the second screw rod, an expansion push rod fixedly arranged at the bottom of the fixed mounting seat and a spiral drill bit fixedly connected with the expansion push rod.
2. The variable-diameter drill bit as claimed in claim 1, wherein a handle fixedly connected with the input end of the second screw rod is arranged on the outer side surface of the inverted U-shaped fixing plate.
3. The variable diameter drill bit of claim 1, wherein an end of the second lead screw away from the center of the disk is provided with a first slot.
4. The variable-diameter drill bit as claimed in claim 1, wherein a second sliding block is formed on the fixed mounting seat on a side close to the U-shaped fixed plate, and a second sliding slot slidably connected with the second sliding block is formed on the U-shaped fixed plate.
5. A variable diameter drill bit device, characterized in that the variable diameter drill bit device comprises a disk, and at least one variable diameter drill bit of claim 1 is fixedly arranged at the bottom of the disk.
6. The variable diameter drill bit device according to claim 5, wherein the disc is provided with a fixing device at a position circumferentially opposite to the inverted U-shaped fixing plate, and the fixing device is used for fixing the two lead screws.
7. The variable-diameter drill bit device as claimed in claim 6, wherein the fixing device comprises a fixing arm and a fixing shaft, the fixing arm is provided with a second slot corresponding to the first slot, and the fixing arm can be inserted into the first slot and the second slot to fix the second lead screw.
8. The variable diameter drill bit assembly of claim 5, wherein the number of variable diameter drill bits is 3 or 4.
9. The variable diameter drill bit device according to claim 5, further comprising a lifting plate, wherein a second motor is arranged on the top of the lifting plate, an output shaft of the second motor is fixedly connected with a rotating shaft penetrating through the lifting plate through a coupler, and the end of the output end of the rotating shaft is fixedly connected with the disc in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765264.9A CN110607990A (en) | 2019-08-19 | 2019-08-19 | Variable-diameter drill bit and variable-diameter drill bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765264.9A CN110607990A (en) | 2019-08-19 | 2019-08-19 | Variable-diameter drill bit and variable-diameter drill bit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110607990A true CN110607990A (en) | 2019-12-24 |
Family
ID=68890385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910765264.9A Pending CN110607990A (en) | 2019-08-19 | 2019-08-19 | Variable-diameter drill bit and variable-diameter drill bit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110607990A (en) |
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|---|---|---|---|---|
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2019
- 2019-08-19 CN CN201910765264.9A patent/CN110607990A/en active Pending
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