CN212614479U - Connecting device of external rotary motor of rock drill - Google Patents
Connecting device of external rotary motor of rock drill Download PDFInfo
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- CN212614479U CN212614479U CN202021100644.5U CN202021100644U CN212614479U CN 212614479 U CN212614479 U CN 212614479U CN 202021100644 U CN202021100644 U CN 202021100644U CN 212614479 U CN212614479 U CN 212614479U
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- rock drill
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- drill
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Abstract
The utility model belongs to the technical field of guide tracked pneumatic rock drill, a connecting device of external rotary motor of rock drill is disclosed, with the problem of drilling speed decline after the rotary rock drill drilling degree of depth increases among the solution prior art, the device include the connection pad with rock drill connector cooperation installation, upper portion one side demountable installation of connection pad has the motor, the upper portion opposite side demountable installation of connection pad has the rock drill aircraft nose, the gear is equipped with in the rock drill aircraft nose, the gear is by motor drive, gear engagement has the rotation cover, and rotate the cover and install and can transmit the moment of torsion for the rock drill bore tail in rock drill connector and rock drill aircraft nose. The utility model discloses a part of a small amount of simple structure increases the gyration moment of torsion of guide tracked pneumatic rock drill under low-cost condition, effectively improves the drilling rate of rock drill drilling deep hole, has improved the work efficiency of rock drill.
Description
Technical Field
The utility model relates to a guide tracked pneumatic rock drill technical field, concretely relates to connecting device of rotary motor outside rock drill.
Background
An YGZ90 type guide rail type rotary rock drill manufactured by the company takes compressed air as power, is a medium-length hole drilling device, is mainly used for drilling medium-length blast holes and similar drilling operations in underground mines, and is characterized by simple structure and reliable operation, but the drilling speed is obviously reduced along with the increase of the drilling depth, the energy utilization rate is low, and the prior art can not solve the technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the drilling speed descends after the drilling depth of the rotary rock drill increases among the prior art, providing a simple structure, transmission are reliable, can improve production efficiency's the connecting device of the outer rotary motor of rock drill.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a connecting device of external rotary motor of rock drill, includes the connection pad with rock drill connector cooperation installation, and demountable installation has the motor on one side of the upper portion of connection pad, and demountable installation has the rock drill aircraft nose on the upper portion opposite side of connection pad, is equipped with the gear in the rock drill aircraft nose, and the gear is by motor drive, and gear engagement has the rotation cover, and rotates the cover and install and can transmit the moment of torsion for the rock drill bore tail in rock drill connector and rock drill aircraft nose.
Further, the connection pad includes lower part dish and upper portion dish, be equipped with the lower part mounting hole that is used for cooperating the installation rock drill connector in the lower part dish, be equipped with the upper portion mounting hole that is used for cooperating the installation bearing in the upper portion dish, one side of upper portion mounting hole is equipped with the tang of cooperation installation motor end, and it has the bolt hole that is used for installing the motor to open on the upper portion dish, the edge of upper portion dish is equipped with connects the arch, and it has the bolt hole that is used for installing the rock drill aircraft nose to connect to open in the arch.
Furthermore, both ends of the gear are provided with bearing mounting surfaces, and bearings are mounted on the bearing mounting surfaces.
Furthermore, a spline hole is formed in the gear, and the spline hole is matched with a shaft head of the motor for installation.
Furthermore, a plurality of through holes are formed in the gear along the circumferential direction.
Furthermore, a drill rod tail sleeve which rotates integrally with the rotating sleeve is pressed on the inner side of the rotating sleeve, and the drill rod tail sleeve and the drill rod tail of the rock drill are matched and rotate integrally.
Furthermore, the connecting disc is connected with the motor in a fastening mode through a first bolt, and the connecting disc is connected with the rock drill head in a fastening mode through a second bolt.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a connecting device of external rotary motor of rock drill passes through motor transmission power and gives the gear, and the gear drives and rotates the cover and rotate, and the rock drill bore tail is given to the transmission moment of torsion, realizes drilling for change borer moment of torsion increase after the external rotary rock drill uses hydraulic motor, the air consumption reduces, thereby becomes a drilling rate fast, and the energy consumption is little relatively, and simple structure is convenient for maintain's practical equipment. The utility model discloses a part of a small amount of simple structure increases the gyration moment of torsion of guide tracked pneumatic rock drill under low-cost condition, effectively improves the drilling rate of rock drill drilling deep hole, has improved the work efficiency of rock drill.
The utility model discloses a connection pad divide into the top and bottom plate, has guaranteed both when with the connector location, guaranteed the installation of motor and with the installation of rock drill aircraft nose, simple structure, reliable and stable.
The utility model discloses set up the splined hole on the gear, the accessible changes the model of internal spline, can realize being connected with the motor of different models, makes the rock drill can match the best torque value in the geological environment according to the difference, realizes the highest efficiency of creeping into.
The utility model discloses a be equipped with the weight that a plurality of through-holes can reduce the gear under the condition that does not influence intensity on the gear along the circumferencial direction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the connection pad of the present invention;
fig. 3 is a side view of the connection pad of the present invention;
fig. 4 is a cross-sectional view of the gear of the present invention;
fig. 5 is a side view of the gear of the present invention.
The reference numerals have the following meanings: 1. a jack drill interface; 2. a motor; 3. a bolt; 4. a bearing; 5. a second bolt; 6. a connecting disc; 7. a gear; 8. a rock drill head; 9. rotating the sleeve; 10. an upper tray; 11. a connecting projection; 12. a lower tray; 13. a lower mounting hole; 14. an upper mounting hole; 15. stopping the opening; 16. a splined bore; 17. a drill rod tail sleeve; 18. a shank of the rock drill; 19. and (4) bearing mounting surfaces.
Detailed Description
As shown in fig. 1-5, a connecting device for an external rotary motor of a rock drilling machine comprises a connecting disc 6 which is installed in a matched manner with a rock drilling machine connecting body 1, wherein the connecting disc 6 comprises a lower disc 12 and an upper disc 10, a lower mounting hole 13 which is used for installing the rock drilling machine connecting body 1 in a matched manner is arranged in the lower disc 12, an upper mounting hole 14 which is used for installing a bearing 4 in a matched manner is arranged in the upper disc 10, a spigot 15 which is used for installing a motor end in a matched manner is arranged on one side of the upper mounting hole 14, a bolt hole which is used for installing a motor 2 is formed in the upper disc 10, a connecting bulge 11 is arranged at the edge of the upper disc 10, and a bolt hole which. The connecting disc 6 is fixedly connected with the motor 2 through a first bolt 3, and the connecting bulge 11 is fixedly connected with the rock drill head 8 through a second bolt 5. A gear 7 is arranged in a rock drill head 8, a spline hole 16 is formed in the gear 7, the spline hole 16 is matched with a shaft head of a motor 2 to be installed, the gear 7 is driven by the motor 2, a plurality of through holes are formed in the gear 7 in the circumferential direction, bearing installation surfaces 19 are arranged at two ends of the gear 7, and bearings 4 are installed on the bearing installation surfaces 19. The gear 7 is engaged with a rotating sleeve 9, and the rotating sleeve 9 is arranged in the rock drill connector 1 and the rock drill head 8 and can transmit torque to a rock drill shank 18. And the inner side of the rotating sleeve 9 is press-fitted with a drill bit shank sleeve 17 which rotates integrally with the rotating sleeve 9, and the drill bit shank sleeve 17 and a drill bit shank 18 of the rock drill rotate integrally through tooth or key fit.
An output shaft of the hydraulic motor 2 is installed through a spline and a gear 7, two ends of the gear are located and installed between a rock drill head 8 and a connecting disc 6 through a bearing 4, the hydraulic motor 2 outputs power to the gear 7, the gear 7 is meshed with a rotating sleeve 9, the torque of the motor 2 is transmitted to a drill rod through the gear 7 and the rotating sleeve 9, and drilling is achieved. The torque of the rotary drill rod is increased after the YGZ90 type guide rail type external rotary rock drill uses the hydraulic motor 2, and the air consumption is reduced, so that the practical equipment which has the advantages of high drilling speed, relatively low energy consumption, simple structure and convenience in maintenance is formed.
Claims (7)
1. The utility model provides a connecting device of outer rotary motor of rock drill, characterized by: including connection pad (6) with rock drill connector (1) cooperation installation, upper portion one side demountable installation of connection pad (6) has motor (2), the upper portion opposite side demountable installation of connection pad (6) has rock drill aircraft nose (8), gear (7) are equipped with in rock drill aircraft nose (8), gear (7) are driven by motor (2), gear (7) meshing has rotation cover (9), and rotate cover (9) and install and can transmit the moment of torsion for rock drill bore tail (18) in rock drill connector (1) and rock drill aircraft nose (8).
2. A connection device of an external rotary motor of a rock drill as claimed in claim 1, characterized in that: connection pad (6) are including lower part dish (12) and upper portion dish (10), be equipped with lower part mounting hole (13) that are used for cooperating installation rock drill connector (1) in lower part dish (12), be equipped with upper portion mounting hole (14) that are used for cooperating installation bearing (4) in upper portion dish (10), one side of upper portion mounting hole (14) is equipped with tang (15) of cooperation installation motor end, and it has the bolt hole that is used for installing motor (2) to open on upper portion dish (10), the edge of upper portion dish (10) is equipped with connection arch (11), and it has the bolt hole that is used for installing rock drill aircraft nose (8) to open on connection arch (11).
3. A connecting device of an outer rotary motor of a rock drill as claimed in claim 1 or 2, characterized in that: and bearing mounting surfaces (19) are arranged at two ends of the gear (7), and bearings (4) are mounted on the bearing mounting surfaces (19).
4. A connection device of an external rotary motor of a rock drill as claimed in claim 3, wherein: a spline hole (16) is formed in the gear (7), and the spline hole (16) is installed in a matched mode with a shaft head of the motor (2).
5. A connection device of an external rotary motor of a rock drill as claimed in claim 4, wherein: and a plurality of through holes are formed in the gear (7) along the circumferential direction.
6. A connection device of an external rotary motor of a rock drill as claimed in claim 1, characterized in that: and a drill rod tail sleeve (17) which rotates integrally with the rotating sleeve (9) is pressed on the inner side of the rotating sleeve (9), and the drill rod tail sleeve (17) and a drill rod tail (18) of the rock drill are matched to rotate integrally.
7. A connection device of an external rotary motor of a rock drill as claimed in claim 1, characterized in that: the connection disc (6) is fixedly connected with the motor (2) through a first bolt (3), and the connection disc (6) is fixedly connected with the rock drill head (8) through a second bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100644.5U CN212614479U (en) | 2020-06-15 | 2020-06-15 | Connecting device of external rotary motor of rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100644.5U CN212614479U (en) | 2020-06-15 | 2020-06-15 | Connecting device of external rotary motor of rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614479U true CN212614479U (en) | 2021-02-26 |
Family
ID=74717344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021100644.5U Active CN212614479U (en) | 2020-06-15 | 2020-06-15 | Connecting device of external rotary motor of rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614479U (en) |
-
2020
- 2020-06-15 CN CN202021100644.5U patent/CN212614479U/en active Active
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