CN218759780U - Drill bit tail guide sleeve of drill jumbo - Google Patents
Drill bit tail guide sleeve of drill jumbo Download PDFInfo
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- CN218759780U CN218759780U CN202223191332.1U CN202223191332U CN218759780U CN 218759780 U CN218759780 U CN 218759780U CN 202223191332 U CN202223191332 U CN 202223191332U CN 218759780 U CN218759780 U CN 218759780U
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Abstract
The utility model discloses a drill rod tail guide sleeve of a drill jumbo, which comprises a main body, a drill rod cavity penetrating through the main body and a positioning step arranged at the periphery of the main body; the main body is made of nylon 1010 or MC nylon; the bottoms of the first oil storage tank and the second oil storage tank are respectively provided with a plurality of first oil guide holes and second oil guide holes leading to the drill rod cavity; an oil suction groove which is arranged on the side wall of the drill rod cavity and is simultaneously communicated with the first oil guide hole and the second oil guide hole is formed; the outer wall of the rubber sleeve can slide at the bottom of the oil suction groove. The utility model adopts nylon 1010 or MC nylon with lower cost, thereby reducing the use cost; and meanwhile, an oil suction groove is formed in the cavity of the drill rod, the first oil guide hole and the second oil guide hole are utilized to communicate the oil suction groove with the space outside the main body, the rubber sleeve arranged on the drill rod moves back and forth in the oil suction groove, negative pressure and high pressure are alternately generated on two sides continuously to suck and extrude lubricating oil, the flowing speed of the lubricating oil is accelerated, and the lubricating effect is improved.
Description
Technical Field
The utility model relates to a drill jumbo bore bit tail direction field especially relates to a drill jumbo bore bit tail guide pin bushing.
Background
The drill rod guide sleeve mainly has the guide effect of a drill rod and belongs to a quick-wear part, the drill rod guide sleeve is frequently replaced, although the copper drill rod guide sleeve is long in service time, the manufacturing cost is high, the lower manufacturing cost is the drill rod guide sleeve made of a nylon rod, the existing drill rod guide sleeve made of the nylon rod is poor in lubricating effect, and therefore the drill rod guide sleeve made of the nylon rod is urgently needed to be developed to improve the lubricating effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drill bit tail guide pin bushing of drill jumbo for improve the lubricated effect of the drill bit tail guide pin bushing of nylon stick material.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a drill rod tail guide sleeve of a drill jumbo, which comprises a main body, a drill rod cavity penetrating through the main body and a positioning step arranged at the periphery of the main body; the main body is made of nylon 1010 or MC nylon; also comprises
A first oil storage tank and a second oil storage tank which are arranged on the periphery of the main body; the first oil storage tank and the second oil storage tank are annular and are arranged at intervals; the bottom of the first oil storage groove is provided with a plurality of first oil guide holes leading to the drill rod cavity, and the bottom of the second oil storage groove is provided with a plurality of second oil guide holes leading to the drill rod cavity;
the oil suction groove is formed in the side wall of the drill rod cavity; the oil suction groove is annular, and the bottom of the oil suction groove is communicated with the first oil guide hole and the second oil guide hole simultaneously;
the oil guide groove is formed in the side wall of the drill rod cavity; the oil guide groove is long and is communicated with the oil suction groove;
the rubber sleeve is used for being arranged on the drill rod; the rubber sleeve is annular, and the outer wall of the rubber sleeve can contact the bottom of the oil suction groove and can slide at the bottom of the oil suction groove; the length of the rubber sleeve is smaller than the vertical distance from the first oil guide hole to the second oil guide hole.
Further, the number of the first oil guide holes is four, and the number of the second oil guide holes is four.
Still further, four first oil guide holes are uniformly arranged on the circumferential section of the main body, and four second oil guide holes are uniformly arranged on the circumferential section of the main body.
Still further, the first oil guide hole and the second oil guide hole are staggered from each other in a circumferential cross section of the main body.
Still further, lead the oil groove and distribute in the both sides of oil absorption groove, and lead the oil groove interval setting with one side.
Still further, a third oil storage tank is formed in the periphery of the main body, and a plurality of third oil guide holes leading to the drill rod cavity are formed in the third oil storage tank.
Still further, the number of the third oil guide holes is six.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
the utility model adopts nylon 1010 or MC nylon with lower cost, thereby reducing the use cost; and meanwhile, an oil suction groove is formed in the cavity of the drill rod, the first oil guide hole and the second oil guide hole are utilized to communicate the oil suction groove with the space outside the main body, the rubber sleeve arranged on the drill rod moves back and forth in the oil suction groove, negative pressure and high pressure are alternately generated on two sides continuously to suck and extrude lubricating oil, the flowing speed of the lubricating oil is accelerated, and the lubricating effect is improved.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic front view of the drill bit shank sleeve of the drill jumbo of the present invention;
FIG. 2 is a left side view of the drill tail guide sleeve of the drill jumbo of the present invention;
FIG. 3 is a schematic cross-sectional view of the drill bit tail guide sleeve of the drill jumbo of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line "A-A" of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken at "B-B" in FIG. 3;
description of reference numerals: 1. a main body; 2. a drill rod cavity; 3. positioning a step; 4. a first oil reservoir; 5. a second oil reservoir; 6. a first oil guide hole; 7. a second oil guide hole; 8. an oil suction groove; 9. an oil guide groove; 10. a rubber sleeve; 11. a third oil reservoir; 12. and a third oil guide hole.
Detailed Description
As shown in fig. 1, 2 and 3, one embodiment of a drill rod guide sleeve of a drill jumbo comprises a main body 1, a drill rod cavity 2 penetrating through the main body 1 and a positioning step 3 formed on the periphery of the main body 1, wherein a drill rod penetrates through the main body from the drill rod cavity 2, and the main body 1 is made of nylon 1010 or MC nylon. First oil storage tank 4 and second oil storage tank 5 have been seted up in main part 1 periphery, first oil storage tank 4 and second oil storage tank 5 all are the annular, and the interval sets up. Four first oil guide holes 6 leading to the drill rod cavity 2 are formed in the bottom of the first oil storage tank 4, are uniformly arranged on the circumferential section of the main body 1, and are communicated with the drill rod cavity 2 along the radial direction of the main body. The first oil guide hole and the bottom of the second oil storage tank 5 are provided with four second oil guide holes 7 leading to the drill rod cavity 2, and the four second oil guide holes 7 are uniformly arranged on the circumferential section of the main body 1 and are communicated with the drill rod cavity 2 along the radial direction of the main body. The first oil guide hole 6 and the second oil guide hole 7 are offset from each other in a circumferential cross section of the main body 1, and referring to fig. 4 and 5, fig. 4 is a schematic layout view of the circumferential cross section of the main body where the first oil guide hole is located, and fig. 5 is a schematic layout view of the circumferential cross section of the main body where the second oil guide hole is located.
An oil suction groove 8 is formed in the side wall of the drill rod cavity 2, the oil suction groove 8 is annular, and the bottom of the oil suction groove 8 is communicated with the first oil guide hole 6 and the second oil guide hole 7. Seted up on 2 lateral walls in drill rod chamber and led oil groove 9, the quantity of leading the oil groove has a plurality ofly, it is rectangular form to lead oil groove 9, and leads oil groove 9 and be linked together with oil absorption groove 8. Lead oil groove 9 and distribute and extend to both sides respectively in the both sides of oil absorption groove 8, and lead oil groove 9 interval setting with one side.
The rubber sleeve 10 is used for being arranged on a drill rod, the rubber sleeve 10 is annular, the rubber sleeve has certain elasticity, when the drill rod is used, the rubber sleeve is placed in an oil suction groove after being deformed by external force, when the drill rod penetrates through a drill rod cavity, the drill rod penetrates through an inner ring of the rubber sleeve forcibly, the inner ring of the rubber sleeve is in interference fit with the drill rod, the rubber sleeve can move back and forth along with the drill rod in the oil suction groove, when the movement distance of the drill rod is too large, the rubber sleeve can slide relative to the drill rod and stay in the oil suction groove due to the blocking of the side wall of the oil suction groove, and the outer wall of the rubber sleeve 10 can contact the bottom of the oil suction groove 8 and can slide at the bottom of the oil suction groove 8. The length of the rubber sleeve 10 is smaller than the vertical distance from the first oil guide hole 6 to the second oil guide hole 7, when the rubber sleeve moves from the first oil guide hole position to the second oil guide hole position along with the drill rod, the space of the oil suction groove on one side of the first oil guide hole is enlarged to form certain negative pressure, and external air flows from the first oil guide hole to the oil suction groove, so that lubricating oil is brought into the oil suction groove. On the other side, the space of the oil suction groove on one side of the second oil guide hole is reduced, the pressure intensity of the space is increased, and lubricating oil is extruded to the oil guide groove on the side or extruded from the second oil guide hole. Vice versa, this back and forth suction and extrusion accelerates the flow of the lubricating oil, so that the drill rod is fully lubricated in the drill rod cavity.
The periphery of the main body 1 is also provided with a third oil storage tank 11, six third oil guide holes 12 leading to the drill rod cavity 2 are formed in the third oil storage tank 11, the bottom of the third oil storage tank is an inclined plane, and the third oil guide holes are formed in the inclined plane.
The drill rod guide sleeve of the drill jumbo in the original factory is made of metal copper, the original price is 16367 yuan, under the condition that the BOOMER 281 type tunneling drill jumbo is normally used, the service life of a single drill rod guide sleeve in the original factory is 6 months, the annual usage amount of 3 drill jumbo is 6, and the total cost is 98202 yuan. And the novel modified drill jumbo drill rod guide pin bushing of this application mainly adopts nylon stick (nylon 1010 or MC nylon) to process and forms, and 600 yuan of nylon stick, processing cost 210 yuan/is, and the workable 14 drill rod guide pins of 1 nylon stick, total cost 3540 yuan, the single drill rod guide pin bushing life of self-control is 3 months, and the drill rod guide pin bushing of 1 nylon stick processing can satisfy 3 drill jumbo one year use amount, can practice thrift material cost 94662 yuan about every year.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A drill rod tail guide sleeve of a drill jumbo comprises a main body (1), a drill rod cavity (2) penetrating through the main body (1) and a positioning step (3) arranged on the periphery of the main body (1); the method is characterized in that: the main body (1) is made of nylon 1010 or MC nylon; and also comprises
A first oil storage tank (4) and a second oil storage tank (5) which are arranged on the periphery of the main body (1); the first oil storage tank (4) and the second oil storage tank (5) are annular and are arranged at intervals; the bottom of the first oil storage tank (4) is provided with a plurality of first oil guide holes (6) leading to the drill rod cavity (2), and the bottom of the second oil storage tank (5) is provided with a plurality of second oil guide holes (7) leading to the drill rod cavity (2);
an oil suction groove (8) formed in the side wall of the drill rod cavity (2); the oil suction groove (8) is annular, and the bottom of the oil suction groove (8) is communicated with the first oil guide hole (6) and the second oil guide hole (7) simultaneously;
an oil guide groove (9) formed in the side wall of the drill rod cavity (2); the oil guide groove (9) is long, and the oil guide groove (9) is communicated with the oil absorption groove (8);
a rubber sleeve (10) arranged on the drill rod; the rubber sleeve (10) is annular, and the outer wall of the rubber sleeve (10) can contact the bottom of the oil absorption groove (8) and can slide at the bottom of the oil absorption groove (8); the length of the rubber sleeve (10) is smaller than the vertical distance from the first oil guide hole (6) to the second oil guide hole (7).
2. A drill jumbo drill rod guide as claimed in claim 1, wherein: the number of the first oil guide holes (6) is four, and the number of the second oil guide holes (7) is four.
3. The drill jumbo drill bit shank adapter sleeve of claim 2, wherein: the four first oil guide holes (6) are uniformly arranged on the circumferential section of the main body (1), and the four second oil guide holes (7) are uniformly arranged on the circumferential section of the main body (1).
4. A drill jumbo drill rod guide as claimed in claim 3, wherein: the first oil guide hole (6) and the second oil guide hole (7) are mutually staggered on the circumferential section of the main body (1).
5. A drill jumbo drill bit shank guide sleeve as claimed in claim 1, wherein: lead oil groove (9) and distribute in the both sides of oil absorption groove (8), and lead oil groove (9) interval setting with one side.
6. A drill jumbo drill rod guide as claimed in claim 1, wherein: the drill rod drilling tool is characterized in that a third oil storage tank (11) is further formed in the periphery of the main body (1), and a plurality of third oil guide holes (12) leading to the drill rod cavity (2) are formed in the third oil storage tank (11).
7. A drill jumbo drill rod guide sleeve as claimed in claim 6, wherein: the number of the third oil guide holes (12) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191332.1U CN218759780U (en) | 2022-11-30 | 2022-11-30 | Drill bit tail guide sleeve of drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191332.1U CN218759780U (en) | 2022-11-30 | 2022-11-30 | Drill bit tail guide sleeve of drill jumbo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218759780U true CN218759780U (en) | 2023-03-28 |
Family
ID=85678543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223191332.1U Active CN218759780U (en) | 2022-11-30 | 2022-11-30 | Drill bit tail guide sleeve of drill jumbo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218759780U (en) |
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2022
- 2022-11-30 CN CN202223191332.1U patent/CN218759780U/en active Active
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