CN203441359U - Rotary drill rig used for spray-cooling drill bit - Google Patents
Rotary drill rig used for spray-cooling drill bit Download PDFInfo
- Publication number
- CN203441359U CN203441359U CN201320560554.8U CN201320560554U CN203441359U CN 203441359 U CN203441359 U CN 203441359U CN 201320560554 U CN201320560554 U CN 201320560554U CN 203441359 U CN203441359 U CN 203441359U
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- China
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- drill bit
- drill
- temperature
- water
- hollow
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Abstract
The utility model discloses a rotary drill rig used for spray-cooling a drill bit. According to the rotary drill rig used for spray-cooling the drill bit, a temperature detecting component is arranged at a position, close to the drill bit, of a drilling rod, and water spraying holes are formed in the drill bit and are connected with a water pump through a water guiding pipe after passing through a hollow drilling rod inner cavity; a numerical control unit acquires temperature information from the temperature detecting component and controls the water pump to inject water into the water guiding pipe when the temperature of the position, close to the drill bit, of the hollow drill rod is higher than a preset value, the water is then sprayed out through the water spraying holes to cool the drill bit and the hollow drill rod, rock debris can be carried away along with the water, and then the rock debris cleaning effect is improved.
Description
Technical field
The utility model relates to rotary drill technical field, relates in particular to a kind of rotary drill to drill bit spray cooling.
Background technology
Rotary drill is a kind of rig, is used for large surface mine, and its function is to bore a hole on rock, for explosion provides mesh.Rotary drill of the prior art comprises motor, reducer, motor connection reducer, and the output shaft of reducer is hollow shaft, jointed rod in hollow shaft, drill bit is installed in the end of drilling rod.During rotary drill boring, rely on pressurization, slew gear by drilling rod, to drill bit, provide enough large axial pressure and rotary torque, rock bit is crept into simultaneously and is turned round on rock, and rock is produced static pressure and impacts dynamic pressure effect.Gear wheel pushes continuously in rolling at the bottom of hole, cutting-impact fractured rock, there is the compressed air of certain pressure and flow velocity to spray from bit nozzle through drilling rod inner chamber, rock slag is constantly blown to hole from the annular space along drilling rod and hole wall at the bottom of hole, until form the boring of required hole depth.
Yet existing rotary drill is in boring procedure, drill bit and rock high-speed friction can produce localized hyperthermia, and generally rock interior can be very dry, is unfavorable for dissipation of heat; And long-time high temperature can approach bit location generation damage to drill bit and drilling rod, such as distortion or wearing and tearing etc., cause pinch roller to creep into cisco unity malfunction.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of rotary drill to drill bit spray cooling, so that being approached to bit head position, roller cone drilling machine drill head and drilling rod lower the temperature, guarantee rotary drill normal operation.
A kind of rotary drill to drill bit spray cooling the utility model proposes, comprises motor, reducer, hollow drill and drill bit, temperature detecting unit, aqueduct, hole for water spraying, water pump and numerical control unit;
The input of described reducer is connected with described motor output shaft, and the hollow output shaft of described reducer is communicated with one end of described hollow drill; The other end of described hollow drill is installed described drill bit, and at least one hole for water spraying is set on described drill bit, and described hole for water spraying is connected to described water pump by described aqueduct;
Temperature detecting unit, is arranged on the position that described hollow drill approaches described drill bit, for detection of near temperature drill bit;
Numerical control unit, be connected with temperature detecting unit with described water pump respectively, for receiving the temperature information that described temperature detecting unit records, and compare with interior standard ambient temperature of establishing, when recording temperature and be above standard environment temperature, control described water pump to aqueduct water filling, from the hole for water spraying ejection of drill bit.
Preferably, described aqueduct is drawn by the inner chamber of described hollow drill.
Preferably, described hole for water spraying arranges 3 to 6, is evenly distributed on drill bit.
Preferably, described temperature detecting unit is temperature pick up.
Preferably, described temperature detecting unit is arranged on described hollow drill inner chamber.
In the utility model, approaching the drilling rod position set temperature detection part of drill bit, and hole for water spraying is set on drill bit, hole for water spraying passes through hollow drill inner chamber by aqueduct and is connected with water pump; Numerical control unit obtains temperature information from temperature detection part, when recording hollow drill and approach the temperature at drill bit position and surpass preset value, controls water pump to aqueduct water filling, from hole for water spraying, spray, to drill bit and hollow drill cooling, and landwaste can be taken out of with water, be strengthened landwaste cleaning action.
Accompanying drawing explanation
Fig. 1 is a kind of rotary drill structure chart to drill bit spray cooling the utility model proposes.
Reference numeral:
1, motor; 2, reducer; 3, hollow output shaft; 4, hollow drill; 5, drill bit; 6, temperature detecting unit; 7, aqueduct; 8, hole for water spraying; 9, water pump; 10, numerical control unit.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model:
The utility model embodiment provides a kind of rotary drill to drill bit spray cooling, as shown in Figure 1, comprises motor 1, reducer 2, hollow drill 4 and drill bit 5, temperature detecting unit 6, aqueduct 7, hole for water spraying 8, water pump 9 and numerical control unit 10.Wherein, reducer 2 plays coupling rotating speed and transmitting torque between motor 1 and hollow drill 4, by purposes, can be divided into universal speed reducer and speed reducer dedicated, reducer 2 inputs are connected with motor 1 output shaft, and the hollow output shaft 3 of reducer 2 is communicated with one end of hollow drill 4; The other end of hollow drill 4 is installed drill bit 5; At least one hole for water spraying 8 is set on drill bit 5, and hole for water spraying 8 is connected to water pump 9 by aqueduct 7, and aqueduct 7 is drawn by the inner chamber of hollow drill 4, and preferably hole for water spraying arranges 3 to 6, is evenly distributed on drill bit 5.
Temperature detecting unit 6, such as elements such as temperature pick ups, is arranged on the position that hollow drill 4 approaches drill bit 5, is preferably contained in hollow drill 4 inner chambers, for detection of near temperature drill bit; Numerical control unit 10, be connected with temperature detecting unit 6 with described water pump 9 respectively, for receiving the temperature information that described temperature detecting unit 6 records, and compare with interior standard ambient temperature of establishing (temperature that rig can work, different and different according to the material of drill bit and hollow drill), when recording temperature and be above standard environment temperature, control water pump 9 to aqueduct 7 water fillings, from hole for water spraying 8 ejections of drill bit 5, with cooling drill bit near zone, and landwaste is taken out of.
In the utility model, approaching the drilling rod position set temperature detection part of drill bit, and hole for water spraying is set on drill bit, hole for water spraying passes through hollow drill inner chamber by aqueduct and is connected with water pump; Numerical control unit obtains temperature information from temperature detection part, when recording hollow drill and approach the temperature at drill bit position and surpass preset value, controls water pump to aqueduct water filling, from hole for water spraying, spray, to drill bit and hollow drill cooling, and landwaste can be taken out of with water, be strengthened landwaste cleaning action.Wherein, the standard ambient temperature in numerical control unit 10 can pre-set, and also can by on-the-spot modification of input equipment, be adjusted by operating personnel.
The utility model embodiment provide the above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. the rotary drill to drill bit spray cooling, is characterized in that, comprises motor, reducer, hollow drill and drill bit, temperature detecting unit, aqueduct, hole for water spraying, water pump and numerical control unit;
The input of described reducer is connected with described motor output shaft, and the hollow output shaft of described reducer is communicated with one end of described hollow drill; The other end of described hollow drill is installed described drill bit, and at least one hole for water spraying is set on described drill bit, and described hole for water spraying is connected to described water pump by described aqueduct;
Temperature detecting unit, is arranged on the position that described hollow drill approaches described drill bit, for detection of near temperature drill bit;
Numerical control unit, be connected with temperature detecting unit with described water pump respectively, for receiving the temperature information that described temperature detecting unit records, and compare with interior standard ambient temperature of establishing, when recording temperature and be above standard environment temperature, control described water pump to aqueduct water filling, from the hole for water spraying ejection of drill bit.
2. the rotary drill to drill bit spray cooling according to claim 1, is characterized in that, described aqueduct is drawn by the inner chamber of described hollow drill.
3. the rotary drill to drill bit spray cooling according to claim 1, is characterized in that, described hole for water spraying arranges 3 to 6, is evenly distributed on drill bit.
4. the rotary drill to drill bit spray cooling according to claim 1, is characterized in that, described temperature detecting unit is temperature pick up.
5. the rotary drill to drill bit spray cooling according to claim 1, is characterized in that, described temperature detecting unit is arranged on described hollow drill inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560554.8U CN203441359U (en) | 2013-09-10 | 2013-09-10 | Rotary drill rig used for spray-cooling drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560554.8U CN203441359U (en) | 2013-09-10 | 2013-09-10 | Rotary drill rig used for spray-cooling drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441359U true CN203441359U (en) | 2014-02-19 |
Family
ID=50092419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560554.8U Expired - Fee Related CN203441359U (en) | 2013-09-10 | 2013-09-10 | Rotary drill rig used for spray-cooling drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569564A (en) * | 2016-03-02 | 2016-05-11 | 李兴涛 | Rotary excavating pile machine high-pressure water injection rock embedding drill |
| CN108015617A (en) * | 2017-12-31 | 2018-05-11 | 金桥丰益氯碱（连云港）有限公司 | The auto-cool system of bench drill and the workbench suitable for the device |
-
2013
- 2013-09-10 CN CN201320560554.8U patent/CN203441359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569564A (en) * | 2016-03-02 | 2016-05-11 | 李兴涛 | Rotary excavating pile machine high-pressure water injection rock embedding drill |
| CN108015617A (en) * | 2017-12-31 | 2018-05-11 | 金桥丰益氯碱（连云港）有限公司 | The auto-cool system of bench drill and the workbench suitable for the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |