CN202131625U - Pneumatic grooving drill - Google Patents
Pneumatic grooving drill Download PDFInfo
- Publication number
- CN202131625U CN202131625U CN201120248943U CN201120248943U CN202131625U CN 202131625 U CN202131625 U CN 202131625U CN 201120248943 U CN201120248943 U CN 201120248943U CN 201120248943 U CN201120248943 U CN 201120248943U CN 202131625 U CN202131625 U CN 202131625U
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- China
- Prior art keywords
- air inlet
- conduit
- blade
- drill bit
- inlet pipe
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Abstract
The utility model relates to a drilling tool, particularly to a pneumatic grooving drill which has high grooving efficiency and low construction cost and can well maintain the original shape and property of the rock and soil. The pneumatic grooving drill comprises a duct (1) and a cutting wheel; the air is delivered to a hollow air cavity (10) at the lower end by an air inlet tube I (2) and an air inlet tube II (3) by utilizing the duct (1); on one hand, air flow reversely acts on blades (5) on the cutting wheel from vents (7) by the effect of the bottom of the duct (1) so as to drive the whole cutting wheel to rotate at high speed and to cut the surrounding rock bodies (15); on the other hand, the air flow acts on rock dregs in a settling dreg storing cabin (8) to blow the rock dregs to an exhaust tube (13) so as to discharge the rock dregs from the duct (1); the pneumatic grooving drill has the advantages of being rationally designed, novel in structure, convenient for use and quick to groove, having large depth and low cost, ensuring the grooved rock body to be relatively dry and to have good original shape and property after grooving, causing small perturbation and damage to the rock body, having wide application range, and being capable of quickly finishing excavation of deep and narrow ground grooves.
Description
Technical field
The utility model relates to a kind of drilling tool, is specially a kind of pneumatic slotting drill bit.
Background technology
In the prior art, can realize constructions such as pile foundation, diaphragm wall, waterproof/drainage structure through fluting usually, needed geosyncline is for constructing underground building on the one hand, on the one hand also for necessary place, condition and space is provided for underground construction.At present the excavation construction of geosyncline adopts usually and artificially accomplishes with excavator, also has to excavate through rig to manage the method that is communicated with again, generally is applied to construction of continuous concrete wall.Manual work needs enough spaces to supply in foundation ditch, to construct under the people; And engineering structures reality does not need so big space; Therefore long in time limit, speed is slow, increase cost; Though the excavator speed of application is accelerated relatively, the excavation side of native stone is big, precision is low, cost is high, and need not excavate the geosyncline of big width sometimes; And, can only take big width excavation for dark narrow geosyncline, and the way of backfill more afterwards, for the dark narrow geosyncline of tens meters even tens meters, excavator can't be accomplished basically.Rig creeps into the method for managing to be communicated with grooving again and often is applied in the geosyncline broad, adopts the situation of mud off, and speed of application is slow, and technology is also very complicated, and cost is high.Therefore the excavation for dark narrow geosyncline is a great problem in the construction always.
Summary of the invention
The purpose of the utility model is to provide a kind of fluting efficient high, and construction cost is low, can better keep the pneumatic slotting drill bit of ground original state property.
The pneumatic slotting drill bit of the utility model comprises conduit 1 and cutting wheel, it is characterized in that, cutting wheel one end is connected the inner ring of bearing 9, is fixedly connected on the outside, conduit 1 bottom through fixed mount 4; Conduit 1 internal fixation is provided with the corresponding air inlet pipe I 2 and air inlet pipe II 3 that is communicated with that seal of several difference, and bottom lock also protrudes downwards, and is laid with the dividing plate of steam vent 7; Gas cavity 10 is formed on dividing plate and conduit 1 bottom; The sidewall of gas cavity 10 is provided with venthole 14; Air inlet pipe II 3 connects with conduit 1 inner wall sealing and is communicated with gas cavity 10; Below cutting wheel, the conduit 1 inner sediment deposit storehouse 8 that forms that dividing plate is above; More than cutting wheel, air inlet pipe I 2 forms stack 13 with air inlet pipe II 3 outside conduit 1 inside.
Further, described cutting wheel is made up of blade 5, cutting blade 6, side cutting blade 11 and solid 12; Blade 5 is arranged on the outer rim of solid 12; Solid 12 alternately is installed on the outer ring of bearing 9 with cutting blade 6, and both sides are respectively equipped with side cutting blade 11.
Further, described conduit 1 is processed by metal circular tube, and the upper end can prolong through screw thread or buckle.
Further, the cross section, stage casing of described air inlet pipe 2 is rounded.
Further, cross section, the stage casing ovalize of described air inlet pipe 3.
Further, the blade of described blade 5 is equipped with alloy block, and its radius is less than the radius of adjacent cutting blade 6 and side cutting blade 11.
Further, described cutting blade 6 is through axial welding or be threaded and connect with solid 12.
Further, the outside of described side cutting blade 11 is inlaid with alloy block, and its radius is not more than the radius of cutting blade 6.
The pneumatic slotting drill bit of the utility model; Utilize the air inlet pipe I 2 in the conduit 1 gas to be sent in the gas cavity 10 of lower end with air inlet pipe II 3; Air-flow oppositely acts on the blade 5 on the cutting wheel from steam vent 7 on the one hand through the effect of conduit 1 bottom, rotates cutting surrounding rock body 15 at a high speed thereby drive whole cutting wheel; The rock slag that acts on the other hand in the sediment deposit storehouse 8 blows to stack 13 with it, and then discharges conduit 1; Its beneficial effect is, and is reasonable in design, and novel structure is easy to use; Fluting speed is fast, and groove depth is big, and cost is low, fluting pit rock mass relatively dry; And to the rock mass disturbance with destroy for a short time, ground has original state property preferably, applied range can be accomplished the excavation of dark narrow geosyncline efficiently.
Description of drawings
Fig. 1 is the structural representation of the utility model instance 1
Fig. 2 be the utility model conduit A-A to sectional view
Fig. 3 be the utility model conduit B-B to sectional view
Fig. 4 be the utility model cutting wheel C-C to sectional view
Among the figure: conduit 1, air inlet pipe I 2, air inlet pipe II 3, fixed mount 4, blade 5, cutting blade 6, steam vent 7, sediment deposit storehouse 8, bearing 9, gas cavity 10, side cutting blade 11, solid 12, stack 13, venthole 14, rock mass 15, easer 16
The specific embodiment
The pneumatic slotting drill bit of the utility model; Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; It is made up of conduit 1 and two cutting wheels that comprise blade 5, cutting blade 6, side cutting blade 11 and solid 12 respectively; Two cutting wheels are connected on the conduit 1 through fixed mount 4, are provided with air inlet pipe I 2 and air inlet pipe II 3 that sealing is communicated with in the conduit 1, and conduit 1 inside is divided into gas cavity 10, sediment deposit storehouse 8 and stack 13 by dividing plate and cutting wheel from top to bottom successively; On dividing plate, be provided with steam vent 7, on the sidewall of gas cavity 10, be provided with venthole 14.When slotting operation, earlier rock mass 15 equal intervals of the groove of will turning up the soil stamp the easer 16 of several diameters greater than conduit 1 diameter, then with pneumatic slotting drill bit in the operation of slotting downwards of each easer 16; The air inlet pipe I 2 of gas in conduit 1 and air inlet pipe II 3 arrive gas cavity 10; Gas in the gas cavity 10 most of through steam vent 7 blow to be arranged on the cutting wheel solid 12 outer rims blade 5; Because cutting blade 6 is through axial welding or be threaded and connect with solid 12; Thereby the rotation of blade 5 can drive whole cutting wheel rotates at a high speed, and the cutting wheel of rotation cuts surrounding rock body under the effect of cutting blade 6 at a high speed, and brings the rock slag into sediment deposit storehouse 8; The gas that is blown out by steam vent 7 blows to stack 13 to the rock slag, and then discharges conduit 1; Simultaneously, the gas of gas cavity 10 blows to surrounding rock body 15 through venthole 14, prevents that the rock slag from crashing into easer 16 bottoms through the slit between sediment deposit storehouse 8 outer walls and the easer 16, the degree of depth of influence fluting.
The pneumatic slotting drill bit of the utility model, wherein conduit 1 is processed by metal circular tube, and the upper end prolongs through screw thread or buckle; Prolongation inside is provided with the air inlet pipe that is tightly connected with air inlet pipe I 2, and all the other structures are said with instance 1; When carrying out darker fluting, can be by demand elongate catheter 1, to reach the requirement that prolongs the drill bit depth of implements, all the other use steps and method are said with instance 1.
The pneumatic slotting drill bit of the utility model wherein is provided with several cutting wheels, and the cross section, stage casing of air inlet pipe I 2 is rounded, cross section, the stage casing ovalize of air inlet pipe II 3, and all the other structures are said with instance 2 with use.
The pneumatic slotting drill bit of the utility model; Wherein the blade of blade 5 is equipped with alloy block; Its radius is less than the radius of adjacent cutting blade 6 and side cutting blade 11, when carrying out slot grooving, and the cutting blade 6 direct cutting rock 15 on the cutting wheel; The alloy sheet of while blade 5 blades is the part of cutting rock 15 also, and all the other structures are said with instance 3 with use.
The pneumatic slotting drill bit of the utility model, wherein the outside of side cutting blade 11 is inlaid with alloy block, and its radius is less than the radius of cutting blade 6; When slotting operation, can accomplish cutting to the rock mass 15 of side, cut fluting but also can rotate to rock mass 15, to enlarge the width of fluting, all the other structures are said with instance 4 with use.
Claims (8)
1. pneumatic slotting drill bit comprises conduit (1) and cutting wheel, it is characterized in that, cutting wheel one end is connected the inner ring of bearing (9), is fixedly connected on the outside, conduit (1) bottom through fixed mount (4); Conduit (1) internal fixation is provided with several the air inlet pipe I (2) and air inlet pipe II (3) of correspondence sealing connection respectively, and bottom lock also protrudes, and be laid with the dividing plate of steam vent (7) downwards; Gas cavity (10) is formed on dividing plate and conduit (1) bottom; The sidewall of gas cavity (10) is provided with venthole (14); The same conduit of air inlet pipe II (3) (1) inner wall sealing connects and is communicated with gas cavity (10); Below cutting wheel, the inner sediment deposit storehouse (8) that forms of conduit (1) that dividing plate is above; More than cutting wheel, the inner stack (13) that forms of conduit (1) that air inlet pipe I (2) and air inlet pipe II (3) are outside.
2. pneumatic slotting drill bit as claimed in claim 1 is characterized in that, described cutting wheel cutting wheel is made up of blade (5), cutting blade (6), side cutting blade (11) and solid (12); Blade (5) is arranged on the outer rim of solid (12); Solid (12) and cutting blade (6) alternately are installed on the outer ring of bearing (9), and both sides are respectively equipped with side cutting blade (11).
3. pneumatic slotting drill bit as claimed in claim 1 is characterized in that, described conduit (1) is processed by metal circular tube, and the upper end can prolong through screw thread or buckle.
4. pneumatic slotting drill bit as claimed in claim 1 is characterized in that, the cross section, stage casing of described air inlet pipe I (2) is rounded.
5. pneumatic slotting drill bit as claimed in claim 1 is characterized in that, cross section, the stage casing ovalize of described air inlet pipe II (3).
6. pneumatic slotting drill bit as claimed in claim 2 is characterized in that, the blade of described blade (5) is equipped with alloy blade, and its radius is less than the radius of adjacent cutting blade (6) and side cutting blade (11).
7. pneumatic slotting drill bit as claimed in claim 2 is characterized in that, described cutting blade (6) connects through the axial welding or the same solid (12) that is threaded.
8. pneumatic slotting drill bit as claimed in claim 2 is characterized in that, the outside of described side cutting blade (11) is inlaid with alloy block, and its radius is not more than the radius of cutting blade (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120248943U CN202131625U (en) | 2011-07-09 | 2011-07-09 | Pneumatic grooving drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120248943U CN202131625U (en) | 2011-07-09 | 2011-07-09 | Pneumatic grooving drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202131625U true CN202131625U (en) | 2012-02-01 |
Family
ID=45520398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120248943U Expired - Lifetime CN202131625U (en) | 2011-07-09 | 2011-07-09 | Pneumatic grooving drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202131625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352642A (en) * | 2011-07-09 | 2012-02-15 | 牛伟民 | Pneumatic slotting drill bit |
| CN104594424A (en) * | 2013-10-31 | 2015-05-06 | 中铁西北科学研究院有限公司 | Excavation equipment of slide-resistant pile foundation pit |
-
2011
- 2011-07-09 CN CN201120248943U patent/CN202131625U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352642A (en) * | 2011-07-09 | 2012-02-15 | 牛伟民 | Pneumatic slotting drill bit |
| CN102352642B (en) * | 2011-07-09 | 2013-06-19 | 牛伟民 | Pneumatic slotting drill bit |
| CN104594424A (en) * | 2013-10-31 | 2015-05-06 | 中铁西北科学研究院有限公司 | Excavation equipment of slide-resistant pile foundation pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120201 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |