CN112031641B - Driving device for anchoring drilling machine - Google Patents
Driving device for anchoring drilling machine Download PDFInfo
- Publication number
- CN112031641B CN112031641B CN202011072646.2A CN202011072646A CN112031641B CN 112031641 B CN112031641 B CN 112031641B CN 202011072646 A CN202011072646 A CN 202011072646A CN 112031641 B CN112031641 B CN 112031641B
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- CN
- China
- Prior art keywords
- output shaft
- rear end
- box body
- fixed
- driving device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005553 drilling Methods 0.000 title abstract description 30
- 238000004873 anchoring Methods 0.000 title abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 244000309464 bull Species 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0463—Grease lubrication; Drop-feed lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a driving device for an anchoring drilling machine, which comprises a drill rod connecting piece; the drill rod connecting piece is fixed at the front end of the output shaft, the output shaft is driven by a bull gear fixed on the output shaft, two pinions are meshed with the bull gear, and each pinion is driven by a hydraulic motor. The invention can effectively meet various drilling construction requirements of complex strata, reduces the damage of the down-the-hole hammer impact vibration to the driving device, improves the drilling construction efficiency, and has good sealing effect and stable and reliable work.
Description
Technical Field
The invention relates to a driving device for an anchoring drilling machine.
Background
The anchoring drilling machine has strong drilling capability and wide application range, and is mainly used for the construction of anchoring holes or drainage holes in hydropower station engineering, railways, highway slopes and the like; constructing urban deep foundation pit support and foundation reinforcement engineering holes; geological disaster prevention and control, landslide and rock collapse treatment engineering; and constructing a tunnel pipe shed supporting hole, a grouting reinforcing hole, a small-sized foundation pile hole and a hydrological well.
Along with the market demand for adaptability of anchoring drilling machines to various working conditions is higher and higher, higher demand is put forward for driving devices of anchoring drilling machines. The prior driving device of the anchoring drilling machine has the following defects: 1. the output torque of the driving device is small, so that the drilling construction efficiency is not high; 2. the rotation speed of the driving device is fixed, so that various drilling construction requirements of complex strata cannot be met; 3. the driving device is not provided with a vibration damping mechanism, so that impact vibration generated by the down-the-hole hammer during drilling construction is easy to damage the driving device; 4. the sealing effect at the upper end of the output shaft of the driving device is poor, and during drilling construction, water or slurry is easy to enter the box body and mix with gear oil, so that the lubricating effect of the gear is poor, and the service life of the gear is greatly reduced; 5. during drilling construction, the bearing at the upper part of the driving device is easy to damage due to lack of lubrication.
Disclosure of Invention
In order to solve the technical problems, the invention provides the driving device for the anchoring drilling machine, which can effectively meet various drilling construction requirements of complex strata, improve the drilling construction efficiency, reduce the damage of the driving device caused by the impact vibration of the down-the-hole hammer, improve the drilling construction efficiency and has good sealing effect.
The invention is realized by the following technical scheme.
The invention provides a driving device for an anchoring drilling machine, which comprises a drill rod connecting piece; the drill rod connecting piece is fixed at the front end of the output shaft, the output shaft is driven by a bull gear fixed on the output shaft, two pinions are meshed with the bull gear, and each pinion is driven by a hydraulic motor.
The bull gear and the pinion are installed in the box, and the output shaft penetrates out from the front of the box.
An air inlet pipe is installed at the rear end of the output shaft, and a V-shaped water seal is arranged between the output shaft and the air inlet pipe for sealing.
A buffer spring is arranged in the rear end of the output shaft, the buffer spring is fixed on the output shaft and a threaded seat, and the threaded seat is positioned in the box body.
The rear end of the box body is provided with a rear end cover, and the rear end face of the box body and/or the rear end cover is/are provided with an oil cup.
And an oil seal is arranged in the rear end cover.
The small gears are symmetrically distributed left and right by taking the large gear as a center.
The hydraulic motor drives the pinion through the input shaft, and the input shaft penetrates through the rear end face of the box body and is fixed through a deep groove ball bearing in the box body.
The output shaft is sleeved on the main shaft, and the main shaft is fixed on the box body through a tapered roller bearing.
The output shaft and the drill rod connecting piece are fixed through a torsion disc, a clamping key and a pin.
The invention has the beneficial effects that: the drilling device can effectively meet various drilling construction requirements of complex stratums, reduces the damage of the down-the-hole hammer impact vibration to the driving device, improves the drilling construction efficiency, and has good sealing effect and stable and reliable work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a right side view of fig. 1.
In the figure: 1-hydraulic motor, 2-oil cup, 3-pinion, 4-input shaft, 5-box, 6-deep groove ball bearing, 7-output shaft, 8-connecting bolt, 9-drill rod connecting piece, 10-air inlet pipe, 11-buffer spring, 12-thread seat, 13-V-shaped water seal, 14-rear end cover, 15-oil seal, 16-bull gear, 17-main shaft, 18-conical roller bearing, 19-torsion disc, 20-clamp key, 21-pin and 22-core pipe.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A drive for an anchor drill as shown in figures 1 to 3, comprising a drill rod coupling 9; the drill rod connecting piece 9 is fixed at the front end of the output shaft 7, the output shaft 7 is driven by a gearwheel 16 fixed on the output shaft, two pinions 3 are meshed with the gearwheel 16, and each pinion 3 is driven by a hydraulic motor 1.
The large gear 16 and the small gear 3 are arranged in the box body 5, and the output shaft 7 penetrates out of the front of the box body 5.
An air inlet liquid pipe 10 is installed at the rear end of the output shaft 7, and a V-shaped water seal 13 is arranged between the output shaft 7 and the air inlet liquid pipe 10 for sealing.
A buffer spring 11 is arranged in the rear end of the output shaft 7, the buffer spring 11 is fixed on the output shaft 7 and a screw seat 12, and the screw seat 12 is positioned in the box body 5.
The rear end of the box body 5 is provided with a rear end cover 14, and the rear end surface of the box body 5 and/or the rear end cover 14 is provided with the oil cup 2.
An oil seal 15 is arranged in the rear end cover 14.
The pinion gears 3 are symmetrically arranged left and right about the bull gear 16.
The hydraulic motor 1 drives the pinion 3 through the input shaft 4, and the input shaft 4 penetrates through the rear end face of the box body 5 and is fixed through the deep groove ball bearing 6 in the box body 5.
The output shaft 7 is sleeved on a main shaft 17, and the main shaft 17 is fixed on the box body 5 through a tapered roller bearing 18.
The output shaft 7 and the drill rod connecting piece 9 are fixed through a torsion transmission disc 19, a clamping key 20 and a pin 21.
Example 1
Adopt above-mentioned scheme, install 2 hydraulic motor 1 on the same face of box 5. The same face of the box body 5 is provided with 2 hydraulic motors 1, the input shaft 4 is connected with the hydraulic motors 1 through splines, two ends of the input shaft are provided with deep groove ball bearings 6, and the middle of the input shaft is provided with a pinion 3. The two ends of the main shaft 17 are provided with tapered roller bearings 18, the middle of the main shaft is provided with a large gear 16, the large gear 16 is meshed with the small gear 3, the inside of the main shaft 17 is connected with the output shaft 7 through a spline, the tail end of the output shaft 7 is provided with a buffer spring 11 and a water inlet pipe 10, the buffer spring 11 is tightly pressed through a threaded seat 12, and the front end of the output shaft 7 is connected with a drill rod connecting piece 9 through a connecting bolt 8, a torsion disc 19, a clamping key 20, a pin 21 and a core pipe 22. An oil seal 15 is arranged inside the rear end cover 14, and a V-shaped water seal 13 is arranged outside the main shaft 17. The oil cup 2 is arranged on the box body 5 and the rear end cover 14.
The working principle is as follows: under the control of a hydraulic system of the anchoring drilling machine, the hydraulic motor 1 works in parallel to drive the pinion 3 to rotate, and the output shaft 7 drives the drill rod to rotate at a low speed and a high torque through the speed reduction transmission of the bull gear 16. The hydraulic valve is controlled to change the direction of a hydraulic oil way of the hydraulic motor 1, the hydraulic motor 1 is changed into series connection work, and the output shaft 7 drives the drill rod to rotate at a high speed.
Thereby:
firstly, 2 hydraulic motors 1 are adopted at the input end, so that the output torque of the driving device is increased, and the drilling construction efficiency is improved;
under the control of a hydraulic system of the anchoring drilling machine, 2 hydraulic motors 1 can work in series or in parallel by changing the direction of a hydraulic oil path of the hydraulic motor 1, so that the two-gear rotation speed adjustment is realized, and various drilling construction requirements of complex stratums are met;
the buffer spring 11 is arranged at the tail end of the output shaft 7, so that the damage of the down-the-hole hammer impact vibration to the driving device can be reduced, and the drilling construction efficiency is improved;
fourthly, the oil cups 2 are arranged on the box body 5 and the rear end cover 14 and used for filling lubricating grease at regular time, and the deep groove ball bearing 6 and the tapered roller bearing 18 on the upper part of the driving device are fully lubricated during drilling construction;
an oil seal 15 is arranged inside the rear end cover 14, a V-shaped water seal 13 is arranged outside the main shaft 17, the sealing effect of the main shaft 17 of the driving device is ensured, and water or slurry is not easy to enter the box body 5 to pollute gear oil.
Claims (3)
1. A drive arrangement for an anchor drill comprising a drill rod coupling (9), characterized in that: the drill rod connecting piece (9) is fixed at the front end of the output shaft (7), the output shaft (7) is driven by a large gear (16) fixed on the output shaft, two small gears (3) are meshed with the large gear (16), and each small gear (3) is driven by a hydraulic motor (1); a buffer spring (11) is arranged in the rear end of the output shaft (7), the buffer spring (11) is fixed between the output shaft (7) and a threaded seat (12), and the threaded seat (12) is positioned in the box body (5); a rear end cover (14) is arranged at the rear end of the box body (5), and an oil cup (2) is arranged on the rear end face of the box body (5) and/or the rear end cover (14); an oil seal (15) is arranged in the rear end cover (14); the rear end of the output shaft (7) is provided with an air inlet liquid pipe (10), and a V-shaped water seal (13) is arranged between the output shaft (7) and the air inlet liquid pipe (10) for sealing; the small gears (3) are symmetrically distributed left and right by taking the large gear (16) as a center; the hydraulic motor (1) drives the pinion (3) through the input shaft (4), and the input shaft (4) penetrates through the rear end face of the box body (5) and is fixed through a deep groove ball bearing (6) in the box body (5); the output shaft (7) is sleeved on the main shaft (17), and the main shaft (17) is fixed on the box body (5) through a tapered roller bearing (18).
2. The driving apparatus for an anchor drill according to claim 1, wherein: the large gear (16) and the small gear (3) are installed in the box body (5), and the output shaft (7) penetrates out of the front of the box body (5).
3. The driving apparatus for an anchor drill according to claim 1, wherein: the output shaft (7) and the drill rod connecting piece (9) are fixed through a torsion disc (19), a clamping key (20) and a pin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072646.2A CN112031641B (en) | 2020-10-09 | 2020-10-09 | Driving device for anchoring drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072646.2A CN112031641B (en) | 2020-10-09 | 2020-10-09 | Driving device for anchoring drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112031641A CN112031641A (en) | 2020-12-04 |
| CN112031641B true CN112031641B (en) | 2022-06-28 |
Family
ID=73572525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011072646.2A Active CN112031641B (en) | 2020-10-09 | 2020-10-09 | Driving device for anchoring drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112031641B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO154578C (en) * | 1984-01-25 | 1986-10-29 | Maritime Hydraulics As | BRIDGE DRILLING DEVICE. |
| DE4344849A1 (en) * | 1993-12-29 | 1995-07-06 | Fein C & E | Machine tool |
| CN201050297Y (en) * | 2007-06-11 | 2008-04-23 | 马宝安 | Driller power head |
| CN202451046U (en) * | 2012-02-28 | 2012-09-26 | 侯隆飙 | Dual-purpose integral hydraulic power head of long spiral drilling machine |
| CN106351570B (en) * | 2016-09-22 | 2018-08-24 | 安徽理工大学 | A kind of mining hand held hydraulic drill based on multiple-action inner curved radial motor |
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2020
- 2020-10-09 CN CN202011072646.2A patent/CN112031641B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112031641A (en) | 2020-12-04 |
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