CN217976198U - Water dedusting perforation drill rod - Google Patents
Water dedusting perforation drill rod Download PDFInfo
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- CN217976198U CN217976198U CN202222372289.2U CN202222372289U CN217976198U CN 217976198 U CN217976198 U CN 217976198U CN 202222372289 U CN202222372289 U CN 202222372289U CN 217976198 U CN217976198 U CN 217976198U
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- main shaft
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- drill
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Abstract
The utility model discloses a water dedusting perforation drill rod, which comprises a hydraulic motor, a rotary box, a rotary main shaft, a drill rod joint, a drill rod and a drill bit, wherein the side wall of the rotary box is communicated with a water inlet pipe; the drill bit is characterized in that a plurality of water inlet holes are radially formed in the positions, corresponding to the water inlet pipes, of the rotary main shaft, inner water channels are formed in the centers of the rotary main shaft, the drill rod joint and the drill rod, the inner water channels of the rotary main shaft are communicated with the water inlet holes, and a plurality of water drain holes communicated with the inner water channels are formed in the drilling end face of the drill bit. Water smoke is carried through the interior water course of seting up in gyration main shaft, rotary joint and drilling rod, need not external dust removal water pipeling, and the effectual dust removal water pipeling of having avoided in drilling operation is clashed by the drill chip and is out of shape the damage, and drilling rod and drill bit produced high temperature can be avoided water smoke to freeze in the pipeline simultaneously in drilling operation.
Description
The technical field is as follows:
the utility model relates to a mining machinery field, concretely relates to water dust removal perforation drilling rod.
Background art:
at present in the working process of open mine perforation rig, can produce a large amount of raise dusts, need use dust collecting equipment to collect the processing with the dust that flies upward, because the required dust cage of dust collecting equipment can't fully laminate with the drilling face, lead to still having the unorganized emission, seriously influence workman's operational environment and open mine's environmental improvement. Along with the development of strip mine flying speed, the environmental protection standard improves day by day, some perforating drilling machines that use water to remove dust have appeared on the market, let high pressure water and drill chip fully contact, but current water dust removal drilling rod all uses high pressure water to remove dust, need prepare dust removal water pipeling in addition, the drill chip that splashes when drilling often can strike dust removal water pipeling, leads to dust removal water pipeling to warp or break, leads to dust removal water can't send to the drilling face, influences normal water dust removal work.
The utility model has the following contents:
an object of the utility model is to provide a water dust removal perforation drilling rod.
The utility model discloses implement by following technical scheme:
a water dedusting perforation drill rod comprises a hydraulic motor, a rotary box, a rotary main shaft, a drill rod joint, a drill rod and a drill bit, wherein a water inlet pipe is communicated with the side wall of the rotary box; a Y-shaped sealing ring and an OE-shaped sealing ring are sleeved on the rotary main shafts positioned above and below the water inlet pipe in the rotary box; the upper end of the drill rod joint is connected with the lower end of the rotary main shaft through threads, the lower end of the drill rod joint is connected with the upper end of the drill rod through threads, and the drill bit is fixed at the lower end of the drill rod; the drill bit is characterized in that a plurality of water inlet holes are radially formed in the position, corresponding to the water inlet pipe, of the rotary main shaft, an inner water channel is formed in the centers of the rotary main shaft, the drill rod joint and the drill rod, the inner water channel of the rotary main shaft is communicated with the water inlet holes, and a plurality of water drain holes communicated with the inner water channel are formed in the drilling end face of the drill bit.
Preferably, a Y-shaped seal ring groove and an OE-shaped seal ring groove are formed in the rotary box above and below the water inlet pipe, a Y-shaped seal ring is arranged in each Y-shaped seal ring groove, an OE-shaped seal ring is arranged in each OE-shaped seal ring groove, and the Y-shaped seal ring and the inner side of the OE-shaped seal ring are in contact with the side wall of the rotary main shaft.
Preferably, a shaft shoulder is arranged at the lower part of the rotary main shaft, an end cover is fixed in a hole penetrating through the rotary main shaft at the bottom of the rotary box through a bolt, the rotary main shaft penetrates out from the center of the end cover, and a thrust bearing and a shaft sleeve which are abutted against each other are sequentially arranged between the end cover and the shaft shoulder.
Preferably, a sealing felt pad is filled in a hole of the end cover penetrating out of the rotary main shaft.
Preferably, sealing gaskets are arranged at the connection positions of the drill rod joint and the rotary main shaft and the connection positions of the drill rod joint and the drill rod.
The utility model has the advantages that: the water smoke is carried through the interior water course of seting up in gyration main shaft, rotary joint and drilling rod, need not external dust removal water pipeling, and the effectual dust removal water pipeling of having avoided in drilling operation is damaged by the drill chip striking deformation, and the produced high temperature of drilling rod and drill bit in drilling operation can be avoided the water smoke to freeze in the pipeline simultaneously.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the hydraulic rotary drill comprises a hydraulic motor 1, a rotary box 2, a rotary main shaft 2.1, a water inlet pipe 2.2, a water inlet hole 2.3, a Y-shaped sealing ring groove 2.4, an OE-shaped sealing ring groove 2.5, a shaft shoulder 2.6, a drill rod joint 3, a drill rod 4, a drill bit 5, a water discharge hole 5.1, a Y-shaped sealing ring 6, an OE-shaped sealing ring 7, an inner water channel 8, an end cover 9, a thrust bearing 10, a shaft sleeve 11, a sealing felt pad 12 and a sealing pad 13.
The specific implementation mode is as follows:
as shown in fig. 1, a water dedusting perforation drill rod comprises a hydraulic motor 1, a rotary box 2, a rotary main shaft 2.1, a drill rod joint 3, a drill rod 4 and a drill bit 5, wherein the side wall of the rotary box 2 is communicated with a water inlet pipe 2.2, the rotary main shaft 2.1 is rotatably arranged in the rotary box 2, the upper end of the rotary main shaft 2.1 is connected with a power output shaft of the hydraulic motor 1 through a spline, and the lower part of the rotary main shaft 2.1 penetrates out of the lower end of the rotary box 2; a Y-shaped sealing ring groove 2.4 and an OE-shaped sealing ring groove 2.5 are respectively arranged above and below the water inlet pipe 2.2 in the rotary box 2, a Y-shaped sealing ring 6 is arranged in each Y-shaped sealing ring groove 2.4, an OE-shaped sealing ring 7 is arranged in each OE-shaped sealing ring groove 2.5, and the inner sides of the Y-shaped sealing ring 6 and the OE-shaped sealing ring 7 are in contact with the side wall of the rotary main shaft 2.1; the upper end of the drill rod joint 3 is connected with the lower end of the rotary main shaft 2.1 through threads, the lower end of the drill rod joint 3 is connected with the upper end of a drill rod 4 through threads, and a drill bit 5 is fixed at the lower end of the drill rod 4; a plurality of water inlet holes 2.3 are radially formed in positions, corresponding to the water inlet pipes 2.2, of the rotary main shaft 2.1, inner water channels 8 are formed in the centers of the rotary main shaft 2.1, the drill rod joint 3 and the drill rod 4, the inner water channels 8 of the rotary main shaft 2.1 are communicated with the water inlet holes 2.3, and a plurality of water drain holes 5.1 communicated with the inner water channels 8 are formed in the drilling end face of the drill bit 5;
when hole turning operation is carried out, the turning box 2 is fixed on a drilling machine body, the hydraulic motor 1 rotates the turning main shaft 2.1 to rotate, the drill rod joint 3, the drill rod 4 and the drill bit 5 rotate together with the turning main shaft 2.1, water mist enters the turning box 2 from the water inlet pipe 2.2, under the sealing of the two Y-shaped sealing rings 6 and the two OE-shaped sealing rings 7, the water mist can only enter the inner water channel 8 through the water discharging hole 5.1, and finally the water mist is discharged from the water discharging hole 5.1 to be in full contact with drill cuttings cut by the drill bit 5; the water smoke is carried through the interior water course 8 of seting up in gyration main shaft 2.1, rotary joint and drilling rod 4, need not external dust removal water pipeling, and the effectual dust removal water pipeling of having avoided in drilling operation is clashed by the drill chip and is out of shape the damage, and drilling rod 4 and drill bit 5 produced high temperature can be avoided the water smoke to freeze in the pipeline simultaneously in drilling operation.
A shaft shoulder 2.6 is arranged at the lower part of the rotary main shaft 2.1, an end cover 9 is fixed in a hole penetrating through the rotary main shaft 2.1 at the bottom of the rotary box 2 through a bolt, the rotary main shaft 2.1 penetrates out from the center of the end cover 9, and a thrust bearing 10 and a shaft sleeve 11 which are abutted with each other are sequentially arranged between the end cover 9 and the shaft shoulder 2.6; the end part of the outermost side of the gland is fixed, then the axial displacement of the rotary main shaft 2.1 is limited through a thrust bearing 10 and a shaft sleeve 11, the shaft sleeve 11 rotates along with the drill rod 4, the thrust bearing 10 can enable the end cover 9 and the shaft sleeve 11 to rotate relatively, and after the end cover 9, the thrust bearing 10 and the shaft sleeve 11 are taken down, the Y-shaped sealing ring 6 and the OE-shaped sealing ring 7 are replaced;
the hole penetrating through the rotary main shaft 2.1 at the end cover 9 is filled with a sealing felt pad 12, the sealing property of the bottom of the rotary box 2 is guaranteed through the sealing felt pad 12, drilling cuttings are guaranteed not to enter the rotary box 2 from the bottom, the drilling cuttings are prevented from contacting the Y-shaped sealing ring 6, and the Y-shaped sealing ring 6 is prevented from being worn by gravels and dust to lose the sealing effect.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A water dedusting perforation drill rod is characterized by comprising a hydraulic motor, a rotary box, a rotary main shaft, a drill rod joint, a drill rod and a drill bit, wherein a water inlet pipe is communicated with the side wall of the rotary box; a Y-shaped sealing ring and an OE-shaped sealing ring are sleeved on the rotary main shaft which is positioned above and below the water inlet pipe in the rotary box; the upper end of the drill rod joint is connected with the lower end of the rotary main shaft through threads, the lower end of the drill rod joint is connected with the upper end of the drill rod through threads, and the drill bit is fixed at the lower end of the drill rod; the drill bit is characterized in that a plurality of water inlet holes are radially formed in the position, corresponding to the water inlet pipe, of the rotary main shaft, an inner water channel is formed in the centers of the rotary main shaft, the drill rod joint and the drill rod, the inner water channel of the rotary main shaft is communicated with the water inlet holes, and a plurality of water drain holes communicated with the inner water channel are formed in the drilling end face of the drill bit.
2. The water dedusting perforation drill rod according to claim 1, characterized in that a Y-shaped seal ring groove and an OE-shaped seal ring groove are respectively arranged above and below the water inlet pipe in the rotation box, a Y-shaped seal ring is arranged in each Y-shaped seal ring groove, an OE-shaped seal ring is arranged in each OE-shaped seal ring groove, and the inner sides of the Y-shaped seal ring and the OE-shaped seal ring are in contact with the side wall of the rotation main shaft.
3. The water dedusting perforation drill rod according to claim 1 or 2, characterized in that a shaft shoulder is arranged at the lower part of the rotary main shaft, an end cover is fixed at the bottom of the rotary box through a hole penetrating through the rotary main shaft, the rotary main shaft penetrates through the center of the end cover, and a thrust bearing and a shaft sleeve which are abutted with each other are sequentially arranged between the end cover and the shaft shoulder.
4. The water dedusting perforated drill pipe as recited in claim 3, wherein a sealing felt pad is filled in a hole of the end cover, which penetrates out of the rotary main shaft.
5. The water dedusting perforated drill pipe as recited in claim 1, wherein sealing gaskets are arranged at the connection positions of the drill pipe joint and the rotary main shaft and the connection positions of the drill pipe joint and the drill pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222372289.2U CN217976198U (en) | 2022-09-06 | 2022-09-06 | Water dedusting perforation drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222372289.2U CN217976198U (en) | 2022-09-06 | 2022-09-06 | Water dedusting perforation drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217976198U true CN217976198U (en) | 2022-12-06 |
Family
ID=84263603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222372289.2U Active CN217976198U (en) | 2022-09-06 | 2022-09-06 | Water dedusting perforation drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976198U (en) |
-
2022
- 2022-09-06 CN CN202222372289.2U patent/CN217976198U/en active Active
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