CN202165014U - Drilling machine and drill head structure of same - Google Patents
Drilling machine and drill head structure of same Download PDFInfo
- Publication number
- CN202165014U CN202165014U CN2011202262636U CN201120226263U CN202165014U CN 202165014 U CN202165014 U CN 202165014U CN 2011202262636 U CN2011202262636 U CN 2011202262636U CN 201120226263 U CN201120226263 U CN 201120226263U CN 202165014 U CN202165014 U CN 202165014U
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- drill bit
- iron plate
- cutting
- cutting part
- cutter
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Abstract
The utility model relates to a drilling machine and a drill head structure of the same and discloses a drill structure of a drilling machine, which comprises a barrel body (1) and a drill head (2) arranged at the bottom of the barrel body (1). The drill head (2) is in a cutter structure, the cutter structure comprises a cutter seat (21) and a cutting part (22), and cutter seat (21) is connected with the barrel body (1), and the cutting part (22) is arranged on the cutter seat (21). By means of the structure, the axial thrust on an iron plate sand layer is large, thereby cutting the iron plate sand layer sharply. Besides, during cutting process of the cutter, the direction of a main cutting edge and the cutting speed are preset and can not change at any time during cutting operation, thereby more easily cutting the iron plate sand layer which is large in cutting strength and stickiness. The utility model further discloses the drilling machine, which comprises a drilling rod. The utility model further comprises the drill head structure, the drill head structure is connected with the bottom of the drilling rod, and corresponding technical effect is provided.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of drill bit structure that is used for drilling machine.The utility model also relates to a kind of drilling machine that comprises above-mentioned drill bit structure.
Background technology
Building trade has and builds diaphragm wall an early stage as working as the process that is coated with mine dam in carrying out the underground construction process.When building diaphragm wall; Generally adopt cement mixing method method (SMW worker's method); SMW worker's method is thereby that soil and cement are mixed the method for building the native mine dam of retaining in situ; In the process of this SMW worker's method of utilization, need use continuous wall multi-axis drilling machine, multiple-drill press is a kind of important drilling machine.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of continuous wall multi-axis drilling machine in the prior art; Fig. 2 is the structural representation of the drill bit of drilling machine in the prior art; Briefly introduce the defective of the drill bit existence of this structure below.
As shown in Figure 1; The course of work of this continuous wall multi-axis drilling machine is: start unit head 1 ' on driven by motor drilling rod 2 ' rotation; Simultaneously through master winch put down unit head 1 '; Unit head 1 ' in the effect lower compression drill bit structure 4 ' embedding soil of gravity, along with drilling rod 2 ' rotation, drilling rod 2 ' on helical blade 3 ' stirring soil layer; When drill bit structure 4 ' bottom is about to there be not underground layer, open grouting pump, in drill bit structure 4 ' descending process, slip casting while stirring, assurance cement is evenly sneaked in the soil layer; After reaching projected depth, elevator begin to promote unit head 1 ', the limit is carried and is bored the limit and stir; Press design requirement at last, insert reinforcing cage, tendon or shaped steel with vibrating hammer, work is accomplished.
Multiple-drill press can run into iron plate sandy ground layer when work; Being silt or sand is being rich in the hardpan that forms under irony or the calcareous hydrostatic ambient conditions; The viscosity on this stratum is also bigger, and is as shown in Figure 2, existing cutting part structure 4 ' generally include cylindrical shell 41 ', iron plate blade 42 ' and be located at the drill bit 43 of iron plate blade 42 ' bottom '; This drill bit 43 ' comprise toothholder 431 ' with cutting part 432 ', the form of structure of cutting part 432 ' common fluted drill of employing.
Fluted drill cutting part 432 ' the end form by main cutting edge, front cutting edge and chisel edge; During bore operation, drive cylindrical shell 41 ' make its rotation, thereby drive drill bit 43 ' carry out bore operation; Chisel edge contacts iron plate sandy ground layer at first; Because iron plate sandy ground layer hardness is big and viscosity is stronger, cause cutting part 432 ' chisel edge less to the end thrust of iron plate sandy ground layer, difficultly in iron plate sandy ground layer, hole; Moreover because each point is different because of the cutting speed direction on the main cutting edge of fluted drill, the position, cutting plane also has nothing in common with each other, and causes its cutting effect in iron plate sandy ground layer undesirable; Even with the stratum bore open after; The iron plate sand of viscosity can not burst apart as the rubble in lithosphere at once; Can give drill bit 43 ' cone toothholder 431 ' bring very heavy wear, just cause after work a period of time needs replacing toothholder 431 ', make the efficiency of construction of multiple-drill press lower.Therefore, the drill bit 43 of above-mentioned fluted drill structure ' be more suitable for common stratum such as lithosphere, but and be not suitable for the bore operation of iron plate sandy ground layer.
In view of this, demand urgently improving the specific constructive form of existing drill bit structure to the problems referred to above, it can be adapted in iron plate sandy ground layer carry out bore operation, and the wearing and tearing of drill bit are less, operating efficiency is higher.
The utility model content
The technical problem that the utility model will solve is for providing a kind of drill bit structure, and it can increase the cutting dynamics in iron plate sandy ground layer, and the wearing and tearing of drill bit are less, can improve the operating efficiency of bore operation.
For solving the problems of the technologies described above, the utility model provides a kind of drill bit structure of drilling machine, comprises cylindrical shell and the drill bit of being located at said cylindrical shell bottom; Said drill bit is a cutter structure, and said cutter structure comprises tool rest and cutting part, and said tool rest is connected with said cylindrical shell, and said cutting part is located on the said tool rest.
Preferably, said cutting part is the cutting part of hardness greater than HRC86.
Preferably, at drilling direction, the width of said cutting part is more than or equal to the width of said tool rest.
Preferably, said cutting part is a wedge shape in the projection of shape of horizontal plane, and said drilling direction is pointed at the tip of said wedge shape.
Preferably, said cutting part is the carbide cutting parts.
Preferably, the relief angle of said cutter structure is for just.
Preferably, the periphery of said cylindrical shell bottom is provided with a plurality of iron plate blades, and said cylindrical shell bottom is provided with bed plate and side tool; Said cutter structure is located on said bed plate, said side tool and the said iron plate blade, and at said cylindrical shell radially, a plurality of said cutter structures are located on the different radii.
Preferably, said bed plate, said side tool and said iron plate cutter spacing be in different height, and raise successively laterally by the inboard of said cylindrical shell.
Preferably, the length-wise axis of said iron plate blade is horizontal by the first angle setting, and its width axis and horizontal plane all are the second angle setting, and said first angle, said second angular range are that 0 degree is to 50 degree.
The drill bit structure of a kind of drilling machine that the utility model provided, its drill bit are cutter structure, and this cutter structure comprises tool rest and cutting part, and tool rest is connected with cylindrical shell, and cutting part is located on the tool rest.
Adopt this structure; When continuous wall multi-axis drilling machine carried out bore operation in iron plate sandy ground layer, because drill bit adopts cutter structure, the intersection point place of the main cutting edge of cutter and front cutting edge was a point of a knife; Point of a knife contacts iron plate sandy ground layer at first during bore operation; With respect to the chisel edge of fluted drill, its end thrust to iron plate sandy ground layer is bigger, can cut iron plate sandy ground layer more tartly; In addition, because cutter is in working angles, its main cutting edge direction and cutting speed are certain, when cutting operation, can not change at any time, thus easier cutting hardness and the bigger iron plate sandy ground layer of viscosity.
This shows, adopt the drill bit of cutter structure, utilize cutting principle, can increase cutting thrust, strengthen cutting effect,, more be applicable to the big and higher iron plate sandy ground layer of viscosity of intensity, improve the stock-removing efficiency of drill bit structure greatly than common fluted drill structure.
The utility model also provides a kind of drilling machine, comprises drilling rod; Also comprise foregoing drill bit structure, said drill bit structure is connected in said drilling rod bottom.
Because above-mentioned drill bit structure has above-mentioned technique effect, therefore, comprises that the drilling machine of this drill bit structure also should have the corresponding techniques effect, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation of continuous wall multi-axis drilling machine in the prior art;
Fig. 2 is the structural representation of the drill bit of drilling machine in the prior art;
Fig. 3 is a kind of specific embodiment structural representation of drill bit structure that the utility model provides;
Fig. 4 is the concrete structure sketch map of the drill bit among Fig. 3;
Fig. 5 is drill bit and the vertical view of blade junction among Fig. 3;
Fig. 6 is the vertical view of the cutting part of drill bit among Fig. 3;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the left view of Fig. 6.
Wherein, Reference numeral among Fig. 1 to Fig. 2 and the corresponding relation between the component names are:
1 ' unit head; 2 ' drilling rod; 3 ' helical blade; 4 ' drill bit structure; 41 ' cylindrical shell; 42 ' iron plate blade; 43 ' drill bit; 431 ' toothholder; 432 ' cutting part;
Reference numeral and the corresponding relation between the component names among Fig. 3 to Fig. 8 are:
1 cylindrical shell; 2 drill bits; 21 tool rests; 22 cutting parts; 3 iron plate blades; 4 bed plaves; 5 side tools.
The specific embodiment
The core of the utility model is for providing a kind of drill bit structure, and it carries out bore operation and has stronger cutting dynamics in iron plate sandy ground layer, and the wearing and tearing of drill bit are less, can improve the operating efficiency of bore operation.
In order to make those skilled in the art understand the technical scheme of the utility model better, be example below with the continuous wall multi-axis drilling machine, in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is a kind of specific embodiment structural representation of drill bit structure that the utility model provides; Fig. 4 is the concrete structure sketch map of the drill bit among Fig. 3.
In a kind of specific embodiment, like Fig. 3 and shown in Figure 4, the drill bit structure of a kind of drilling machine that the utility model provided comprises cylindrical shell 1 and the drill bit 2 of being located at cylindrical shell 1 bottom; This drill bit 2 is a cutter structure, and this cutter structure comprises tool rest 21 and cutting part 22, and tool rest 21 is connected with cylindrical shell 1, and cutting part 22 is located on the tool rest 21.
Adopt this structure; When continuous wall multi-axis drilling machine carried out bore operation in iron plate sandy ground layer, because drill bit 2 adopts cutter structure, the intersection point place of the main cutting edge of cutter and front cutting edge was a point of a knife; Point of a knife contacts iron plate sandy ground layer at first during bore operation; With respect to the chisel edge of fluted drill, its end thrust to iron plate sandy ground layer is bigger, can cut iron plate sandy ground layer more tartly; In addition, because cutter is in working angles, its main cutting edge direction and cutting speed are certain, when cutting operation, can not change at any time, thus easier cutting hardness and the bigger iron plate sandy ground layer of viscosity.
This shows, adopt the drill bit 2 of cutter structure, utilize cutting principle; Can increase cutting thrust, strengthen cutting effect, than common fluted drill structure; More be applicable to the big and higher iron plate sandy ground layer of viscosity of intensity, improve the stock-removing efficiency of drill bit structure greatly.
What specify is; The used cutting tool basic structure of above-mentioned " cutter structure " and machine tool is identical; Tool rest 21 and cutting part 22 allow in shape distinguish to some extent, notions such as its anterior angle, relief angle are all identical with notion well-known to those skilled in the art.
Need to prove; Do not limit the material and the hardness of cutting part 22 in the above-mentioned specific embodiment, do not limit the relief angle size of cutter structure yet, do not limit the vertical position of the drill bit 2 on the cylindrical shell 1 of drill bit structure yet; In fact; Every employing cutter structure can improve the drill bit structure of the drilling efficiency in iron plate sandy ground layer, all should work as in the protection domain that belongs to the utility model.
The specific constructive form of above-mentioned cutter structure can also further be set.
In further scheme, above-mentioned cutting part 22 can be the cutting part of hardness greater than HRC86.Because cutting part 22 hardness of cutter structure are greater than HRC86; Through evidence, in the ever-increasing process of drill bit 2 drilling depths, can avoid iron plate sand that cutting part 22 is caused bigger wearing and tearing; Improve the abrasion resistance of drill bit structure, improved the operating efficiency of drill bit structure greatly.Certainly, above-mentioned cutting part 22 also can adopt other hardness numbers.
Please refer to Fig. 5 to Fig. 8, Fig. 5 is drill bit and the vertical view of blade junction among Fig. 3, and Fig. 6 to Fig. 8 is the three-view diagram of the cutting part of drill bit 2.
Further, at the drilling direction of drill bit 2 (among Fig. 5 along plane, drill bit 2 place dextrosinistral direction), the width of above-mentioned cutting part 22 can be more than or equal to the width of above-mentioned tool rest 21.Like this; In the ever-increasing process of drill bit 2 drilling depths; Even the iron plate sand after the cutting can not burst apart as the rubble after cutting; The cutting part 22 that hardness is bigger can have the certain protection effect to tool rest 21, and iron plate sand can not cause very big wearing and tearing to tool rest 21, thereby strengthens the abrasion resistance of tool rest 21.As shown in Figure 5, above-mentioned cutting part 22 can adopt the width identical with tool rest 21, like this, neither can also play the corresponding protection effect to tool rest 21 because of bigger cutting part 22 waste materials of processing; Certainly, can also adopt the cutting part 22 of width greater than tool rest 21, the user can select according to actual needs voluntarily.
In the scheme, to shown in Figure 8, cutting part 22 is a wedge shape in the projection of shape of horizontal plane like Fig. 6 more specifically, and drilling direction is pointed at the tip of wedge shape.Adopt this structure, when cutter structure did not creep into operation in iron plate sandy ground layer, the frictional force of cutting part 22 both sides can reduce relatively, thereby reduces the wearing and tearing to cutting part 22, prolongs its application life.
The specific constructive form of above-mentioned cutter structure can also further be set.
In the another kind of specific embodiment, the relief angle of above-mentioned cutter structure is for just.Adopt this form of structure, can be known by the cutting principle of cutter, adopting relief angle is that positive cutter can further reduce the wearing and tearing of iron plate sand to cutting part 22, prolongs the application life of cutter.
The cutting part 22 of above-mentioned cutter structure can be the carbide cutting parts, and its serviceability ratio and productivity ratio are higher.Certainly; The cutting part 22 of above-mentioned cutter structure can also be other form of structure; For example; Can also be high-speed steel cutting part, ceramic cutting part, can also be diamond cutting parts or cubic boron nitride cutting part, every hardness can be used as the cutting part of the cutter structure of the utility model above the cutting part of HRC86.
Other specific constructive form of above-mentioned drill bit structure can also further be set.
In the another kind of specific embodiment, the periphery of cylindrical shell 1 bottom of above-mentioned drill bit structure is provided with a plurality of iron plate blades 3, and cylindrical shell 1 bottom is provided with bed plate 4, side tool 5; Above-mentioned cutter structure is located on above-mentioned iron plate blade 3, bed plate 4 and the side tool 5; At cylindrical shell 1 radially, a plurality of cutter structure is located on the different radii.
Adopt this form of structure, in the drilling process, the cutting edge of cutter is along with the rotation of cylindrical shell 1 is cut iron plate sandy ground layer; Because a plurality of cutter structures are all in different radius circle cuttings; Increase the cutting dynamics, and avoided Repeated Cutting, had cutting effect preferably.
In the another kind of specific embodiment, above-mentioned bed plate 4, side tool 5 and iron plate cutter can be positioned at different height, and are raise successively laterally by the inboard of cylindrical shell 1.Adopt this form of structure, in drilling process, when the cutter tooth of lower end is deepened drilling depth; Other cutters tooth on its top also begin to creep into gradually; Progressive, because the frictional force and the hold of cutter and iron plate sand, thereby make drill bit 2 have the self-centering function; Avoid tilting, further strengthened the job stability of drill bit structure at the drilling process middle cylinder body.
Need to prove; The noun of locality among this paper " outward " refers at cylindrical shell 1 radially, and by the center of circle of cylindrical shell 1 direction to external diffusion, the noun of locality among this paper " interior " refers at cylindrical shell 1 radially; By the direction of concentrating to the center of circle of cylindrical shell 1 around the cylindrical shell 1; Should be appreciated that these nouns of locality are is that benchmark is set up with the accompanying drawing, their appearance should not influence the protection domain of the utility model.
Further in the scheme, the length-wise axis of above-mentioned iron plate blade 3 is horizontal by the first angle setting, and its width axis and horizontal plane all are the second angle setting, and first angle, second angular range are that 0 degree is to 50 degree.Adopt this form of structure, in drilling process, can play certain guide effect to the flow direction of ground behind the iron plate blade 3 inclination certain angles, be convenient to control the flow direction of ground.Particularly; The length-wise axis of above-mentioned iron plate blade 3 is horizontal by 20 degree angles; Width axis and horizontal plane all are 30 degree angle settings; Through evidence, adopt the iron plate blade 3 of this angle promptly can play the better controlled rock stream to effect, can itself not cause bigger wearing and tearing again to iron plate blade 3.Certainly, the angle of inclination of above-mentioned iron plate blade 3 is not limited to above-mentioned angle, can also be other angles.
Need to prove that the noun of locality that occurs among this paper " length direction of iron plate blade 3 " refers in the accompanying drawing 3, iron plate blade 3 along cylindrical shell 1 radial direction; " width of iron plate blade 3 " refers in the accompanying drawing 3, in the iron plate blade 3 along cylindrical shell 1 circumferential direction; The appearance that should be appreciated that these nouns of locality is that benchmark is set up with the accompanying drawing among this paper, and their appearance should not influence the protection domain of the utility model.
The utility model also provides a kind of drilling machine, comprises drilling rod; Also comprise aforesaid drill bit structure, drill bit structure is connected in the drilling rod bottom.Because above-mentioned drill bit structure has above-mentioned technique effect, therefore, comprises that the drilling machine of this drill bit structure also should have the corresponding techniques effect, repeats no more at this.
Particularly, above-mentioned drilling machine can be specially continuous wall multi-axis drilling machine.Need to prove; This paper only is the beneficial effect that example has been introduced above-mentioned drill bit mechanism with the continuous wall multi-axis drilling machine; In fact; Above-mentioned drilling machine can also be the drilling machine of other kinds such as rotary drilling rig, and the drilling machine that every above-mentioned drill bit mechanism uses all should be worked as the protection domain that belongs to the utility model.
More than a kind of drilling machine and drill bit structure thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the drill bit structure of a drilling machine comprises cylindrical shell (1) and is located at the drill bit (2) of said cylindrical shell (1) bottom; It is characterized in that said drill bit (2) is a cutter structure, said cutter structure comprises tool rest (21) and cutting part (22), and said tool rest (21) is connected with said cylindrical shell (1), and said cutting part (22) is located on the said tool rest (21).
2. drill bit structure according to claim 1 is characterized in that, said cutting part (22) is the cutting part of hardness greater than HRC86.
3. drill bit structure according to claim 2 is characterized in that, at drilling direction, the width of said cutting part (22) is more than or equal to the width of said tool rest (21).
4. drill bit structure according to claim 3 is characterized in that, said cutting part (22) is a wedge shape in the projection of shape of horizontal plane, and said drilling direction is pointed at the tip of said wedge shape.
5. drill bit structure according to claim 4 is characterized in that, said cutting part (22) is the carbide cutting parts.
6. drill bit structure according to claim 5 is characterized in that, the relief angle of said cutter structure is for just.
7. according to each described drill bit structure of claim 1-6, it is characterized in that the periphery of said cylindrical shell (1) bottom is provided with a plurality of iron plate blades (3), said cylindrical shell (1) bottom is provided with bed plate (4) and side tool (5); Said cutter structure is located on said bed plate (4), said side tool (5) and the said iron plate blade (3), and at said cylindrical shell (1) radially, a plurality of said cutter structures are located on the different radii.
8. drill bit structure according to claim 7 is characterized in that, said bed plate (4), said side tool (5) and said iron plate blade (3) are positioned at different height, and is raise successively laterally by the inboard of said cylindrical shell (1).
9. drill bit structure according to claim 8; It is characterized in that; The length-wise axis of said iron plate blade (3) is horizontal by the first angle setting, and its width axis and horizontal plane all are the second angle setting, and said first angle, said second angular range are that 0 degree is to 50 degree.
10. a drilling machine comprises drilling rod; It is characterized in that, also comprise each described drill bit structure like claim 1-9, said drill bit structure is connected in said drilling rod bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202262636U CN202165014U (en) | 2011-06-29 | 2011-06-29 | Drilling machine and drill head structure of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202262636U CN202165014U (en) | 2011-06-29 | 2011-06-29 | Drilling machine and drill head structure of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165014U true CN202165014U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202262636U Expired - Lifetime CN202165014U (en) | 2011-06-29 | 2011-06-29 | Drilling machine and drill head structure of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331938A (en) * | 2019-04-29 | 2019-10-15 | 江苏和信石油机械有限公司 | A kind of gear wheel drilling rod |
| CN113027779A (en) * | 2021-04-08 | 2021-06-25 | 淄博潜瑞泵业有限公司 | Submersible stirring pump |
-
2011
- 2011-06-29 CN CN2011202262636U patent/CN202165014U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331938A (en) * | 2019-04-29 | 2019-10-15 | 江苏和信石油机械有限公司 | A kind of gear wheel drilling rod |
| CN110331938B (en) * | 2019-04-29 | 2020-12-01 | 江苏和信石油机械有限公司 | Roller bit drill rod |
| CN113027779A (en) * | 2021-04-08 | 2021-06-25 | 淄博潜瑞泵业有限公司 | Submersible stirring pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120314 |
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| CX01 | Expiry of patent term |