CN208137857U - A kind of reducing rotary drill tools - Google Patents
A kind of reducing rotary drill tools Download PDFInfo
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- CN208137857U CN208137857U CN201820391663.4U CN201820391663U CN208137857U CN 208137857 U CN208137857 U CN 208137857U CN 201820391663 U CN201820391663 U CN 201820391663U CN 208137857 U CN208137857 U CN 208137857U
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- drill
- snap ring
- drill body
- assemblied
- annular side
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Abstract
The utility model provides a kind of reducing rotary drill tools,Including groove,Rotate drill,Mounting hole,Mandril,Oil duct,Oil pocket,Stripper plate,Annular slot,Snap ring one and snap ring two,It rotates drill upper end and inside grooves is mounted on by circular shaft,Inside grooves bottom surface middle position offers mounting hole,Mounting hole mounted inside has mandril,Mounting hole left end is connected with oil duct,Oil duct is provided with inside drill body,Oil duct lower end is connected with oil pocket,Oil pocket is provided with drill body interior lower end,Stripper plate is assemblied in inside oil pocket,The variation of bore diameter is convenient in the design,Annular slot is provided with the drill body annular side on the downside of groove,Snap ring one is assemblied in drill body annular side right end by annular slot,Snap ring two is assemblied in drill body annular side left end by annular slot,The design improves the stability of present apparatus installation,The utility model structure novel,Convenient for operation,Stability is good,It is practical.
Description
Technical field
The utility model is a kind of reducing rotary drill tools, belongs to machinery equipment field.
Background technique
In the prior art, reducing rotary drill tools variable diameter stability is poor, and control is inconvenient；In the prior art, reducing revolves
Dig that drilling tool installation is inconvenient, and bad adaptability, mounting stability is bad, so needing a kind of reducing rotary drill tools to solve
The above-mentioned problem.
Summary of the invention
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of reducing rotary drill tools, to solve
The problems mentioned above in the background art, the utility model structure novel, convenient for operation, stability is good, practical.
To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of reducing rotary digging
Drilling tool, including alloy head, drill body, diameter variable rotary drillstring component and mounting assembly, the alloy head is fixed on drill body upper surface, described
Diameter variable rotary drillstring component is mounted on the drill body annular side on the downside of alloy head, and the mounting assembly is assemblied in drill body lower end, the change
Diameter rotary drill component includes groove, rotation drill, mounting hole, spring, blind hole, mandril, oil duct, oil pocket, stripper plate and micro electric
Dynamic push rod, the groove are provided with drill body annular side upper position, and the rotation drill upper end is mounted on groove by circular shaft
Inside, rotation drill left side lower position are connected with spring, and the spring is connected to blind hole inner bottom surface, the blind hole
It is provided with inside grooves bottom surface, inside grooves bottom surface middle position offers mounting hole, and the mounting hole mounted inside has
Mandril, the mounting hole left end are connected with oil duct, and the oil duct is provided with inside drill body, and the oil duct lower end is connected with oil pocket
Logical, the oil pocket is provided with drill body interior lower end, and the stripper plate is assemblied in inside oil pocket, and the stripper plate lower end surface is connected with
Miniature electromotive handspike, the miniature electromotive handspike lower end are equipped with oil pocket inner lower face, and the mounting assembly includes annular snap
Slot, snap ring one, connector, snap ring two and connecting hole, the annular slot are provided with the drill body annular side on the downside of groove, institute
It states snap ring one and drill body annular side right end is assemblied in by annular slot, the snap ring two is assemblied in drill body ring by annular slot
Shape side left end, the snap ring one and snap ring two are assemblied in inside connecting hole, and the connecting hole is provided with connector upper end.
Further, the groove is equipped with two or more, and more than two grooves are equidistantly arranged in drill body annular side
Upper position.
Further, the stripper plate lateral surface offers recessed bar, and sealing ring is equipped with inside recessed bar.
Further, the drill body lower end is equipped with micro battery, and the micro battery passes through electric wire and micro electric
Dynamic push rod is connected.
Further, the arc-shaped structure of mandril right end, and mandril annular side is equipped with sealing ring.
Further, the snap ring one and snap ring two are equipped with two or more, more than two one external gauges of snap ring
Lattice are all different, and more than two two outer diameter specifications of snap ring are all different.
The beneficial effects of the utility model：A kind of reducing rotary drill tools of the utility model, because the utility model adds
Groove, rotation drill, mounting hole, spring, blind hole, mandril, oil duct, oil pocket, stripper plate and miniature electromotive handspike, the design
Convenient for the variation of bore diameter, control is easy to operate, and borehole stability is good, solves reducing rotary drill tools change in the prior art
Diameter stability is poor, controls inconvenient problem.
Because the utility model is added to annular slot, snap ring one, connector, snap ring two and connecting hole, which is improved
The stability of present apparatus installation, adaptability is good, and it is inconvenient and suitable to solve reducing rotary drill tools installation in the prior art
Answering property is poor, the bad problem of mounting stability.
Because being added to sealing ring, which improves the leakproofness of the present apparatus, and because being added to micro battery, the design is just
In providing electric energy for miniature electromotive handspike, the utility model structure novel, convenient for operation, stability is good, practical.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural schematic diagram of reducing rotary drill tools of the utility model；
Fig. 2 is the structural schematic diagram of diameter variable rotary drillstring component in a kind of reducing rotary drill tools of the utility model；
Fig. 3 is the structural schematic diagram of mounting assembly in a kind of reducing rotary drill tools of the utility model；
In figure：1- alloy head, 2- drill body, 3- diameter variable rotary drillstring component, 4- mounting assembly, 42- annular slot, 43- snap ring one,
44- connector, 45- snap ring two, 46- connecting hole, 301- groove, 302- rotate drill, 303- mounting hole, 304- spring, 305-
Blind hole, 306- mandril, 307- oil duct, 308- oil pocket, 309- stripper plate, 310- miniature electromotive handspike.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution：A kind of reducing rotary drill tools, including alloy
First 1, drill body 2, diameter variable rotary drillstring component 3 and mounting assembly 4, alloy head 1 are fixed on 2 upper surface of drill body, and diameter variable rotary drillstring component 3 is pacified
2 annular side of drill body mounted in 1 downside of alloy head, mounting assembly 4 are assemblied in 2 lower end of drill body.
Diameter variable rotary drillstring component 3 includes groove 301, rotation drill 302, mounting hole 303, spring 304, blind hole 305, mandril
306, oil duct 307, oil pocket 308, stripper plate 309 and miniature electromotive handspike 310, groove 301 are provided in 2 annular side of drill body
Portion position, rotation 302 upper end of drill are mounted on inside groove 301 by circular shaft, rotation 302 left side lower position of drill connection
There is a spring 304, spring 304 is connected to 305 inner bottom surface of blind hole, and blind hole 305 is provided with 301 inner bottom surface of groove, in groove 301
Portion bottom surface middle position offers mounting hole 303, and 303 mounted inside of mounting hole has mandril 306,303 left end of mounting hole and oil duct
307 are connected, and oil duct 307 is provided with inside drill body 2, and 307 lower end of oil duct is connected with oil pocket 308, and oil pocket 308 is provided with drill body
2 interior lower ends, stripper plate 309 are assemblied in inside oil pocket 308, and 309 lower end surface of stripper plate is connected with miniature electromotive handspike 310, micro-
310 lower end of type electric pushrod is equipped with 308 inner lower face of oil pocket, which solves reducing rotary drill tools in the prior art
Variable diameter stability is poor, controls inconvenient problem.
Mounting assembly 4 includes annular slot 41, snap ring 1, connector 43, snap ring 2 44 and connecting hole 45, annular snap
Slot 41 is provided with 2 annular side of drill body of 301 downside of groove, and snap ring 1 is assemblied in 2 annular side of drill body by annular slot 41
Face right end, snap ring 2 44 are assemblied in 2 annular side left end of drill body by annular slot 41, and snap ring 1 and snap ring 2 44 fill
It fits over inside connecting hole 45, connecting hole 45 is provided with 43 upper end of connector, which solves reducing rotary digging in the prior art
Drilling tool installation is inconvenient, and bad adaptability, the bad problem of mounting stability.
Groove 301 is equipped with two or more, and more than two grooves 301 are equidistantly arranged in 2 annular side upper position of drill body, squeezes
309 lateral surface of pressing plate offers recessed bar, and sealing ring is equipped with inside recessed bar, and 2 lower end of drill body is equipped with micro battery, miniature
Battery is connected by electric wire with miniature electromotive handspike 310, the arc-shaped structure of 306 right end of mandril, and 306 annular side of mandril
Sealing ring is installed, snap ring 1 and snap ring 2 44 are equipped with two or more, and more than two one 42 outer diameter specifications of snap ring are not
Identical, more than two 2 44 outer diameter specifications of snap ring are all different.
Specific embodiment：In the use process of the present apparatus, make between micro battery and miniature electromotive handspike 310
Circuit is connected, and the work of miniature electromotive handspike 310 drives stripper plate 309 to move up, and stripper plate 309 is mobile to be driven in oil pocket 308
Oil liquid move up, so that oil liquid is flowed to inside mounting hole 303 by oil duct 307, and generates thrust to mandril 306, make
Mandril 306 is moved along mounting hole 303, and mandril 306 is mobile to generate thrust to rotation drill 302, make to rotate drill 302 around
Circular shaft generates rotation, and the rotation rotation of drill 302 generates pulling force to spring 304, so that spring 304 is generated deformation, to make rotary drilling
Knife 302 is fitted closely with mandril 306 always, when rotation drill 302 turns to proper angle, stops miniature electromotive handspike 310
It only runs, which is convenient for the control of bore diameter.
When staff installs the present apparatus, the suitable snap ring 1 of outer diameter and snap ring 2 44 are passed through ring by staff
Shape card slot 41 is assemblied in 2 annular side of drill body, and then snap ring 1 and snap ring 2 44 are assembled to connecting hole 45 by staff
The connection of the present apparatus is realized in inside, which improves the adaptability of present apparatus installation, and stability is good.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any
Those skilled in the art are not departing within the scope of technical solutions of the utility model, when the technology using the disclosure above
Content makes a little change or the equivalent embodiment for being modified to equivalent variations, but all without departing from technical solutions of the utility model
Content, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with repair
Decorations, are still within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of reducing rotary drill tools, including alloy head, drill body, diameter variable rotary drillstring component and mounting assembly, it is characterised in that：
The alloy head is fixed on drill body upper surface, and the diameter variable rotary drillstring component is mounted on the drill body annular side on the downside of alloy head, institute
It states mounting assembly and is assemblied in drill body lower end；
The diameter variable rotary drillstring component includes groove, rotation drill, mounting hole, spring, blind hole, mandril, oil duct, oil pocket, stripper plate
And miniature electromotive handspike, the groove are provided with drill body annular side upper position, the rotation drill upper end passes through circular shaft
Inside grooves are mounted on, rotation drill left side lower position is connected with spring, and the spring is connected to blind hole inner bottom
Face, the blind hole are provided with inside grooves bottom surface, and inside grooves bottom surface middle position offers mounting hole, the mounting hole
Mounted inside has mandril, and the mounting hole left end is connected with oil duct, and the oil duct is provided with inside drill body, the oil duct lower end
It is connected with oil pocket, the oil pocket is provided with drill body interior lower end, and the stripper plate is assemblied in inside oil pocket, under the stripper plate
End face is connected with miniature electromotive handspike, and the miniature electromotive handspike lower end is equipped with oil pocket inner lower face；
The mounting assembly includes annular slot, snap ring one, connector, snap ring two and connecting hole, and the annular slot opens up
Drill body annular side on the downside of groove, the snap ring one are assemblied in drill body annular side right end, the card by annular slot
Ring two is assemblied in drill body annular side left end by annular slot, and the snap ring one and snap ring two are assemblied in connecting hole
Portion, the connecting hole are provided with connector upper end.
2. a kind of reducing rotary drill tools according to claim 1, it is characterised in that：The groove is equipped with two or more,
More than two grooves are equidistantly arranged in drill body annular side upper position.
3. a kind of reducing rotary drill tools according to claim 1, it is characterised in that：The stripper plate lateral surface offers
Recessed bar, and sealing ring is installed inside recessed bar.
4. a kind of reducing rotary drill tools according to claim 1, it is characterised in that：The drill body lower end is equipped with miniature
Battery, the micro battery are connected by electric wire with miniature electromotive handspike.
5. a kind of reducing rotary drill tools according to claim 1, it is characterised in that：The arc-shaped knot of mandril right end
Structure, and mandril annular side is equipped with sealing ring.
6. a kind of reducing rotary drill tools according to claim 1, it is characterised in that：The snap ring one and snap ring two are equal
Equipped with two or more, more than two one outer diameter specifications of snap ring are all different, and more than two two outer diameter specifications of snap ring are equal
It is not identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391663.4U CN208137857U (en) | 2018-03-22 | 2018-03-22 | A kind of reducing rotary drill tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391663.4U CN208137857U (en) | 2018-03-22 | 2018-03-22 | A kind of reducing rotary drill tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208137857U true CN208137857U (en) | 2018-11-23 |
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ID=64289606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820391663.4U Active CN208137857U (en) | 2018-03-22 | 2018-03-22 | A kind of reducing rotary drill tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208137857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552711A (en) * | 2019-07-12 | 2019-12-10 | 广西大学 | Variable cross-section tunnel excavation test device and test excavation method thereof |
-
2018
- 2018-03-22 CN CN201820391663.4U patent/CN208137857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552711A (en) * | 2019-07-12 | 2019-12-10 | 广西大学 | Variable cross-section tunnel excavation test device and test excavation method thereof |
| CN110552711B (en) * | 2019-07-12 | 2021-08-31 | 广西大学 | Variable cross-section tunnel excavation test device and test excavation method thereof |
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