CN110985219A - Device for enabling engine of rotary drilling rig to enter idle speed - Google Patents
Device for enabling engine of rotary drilling rig to enter idle speed Download PDFInfo
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- CN110985219A CN110985219A CN201910821278.8A CN201910821278A CN110985219A CN 110985219 A CN110985219 A CN 110985219A CN 201910821278 A CN201910821278 A CN 201910821278A CN 110985219 A CN110985219 A CN 110985219A
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 30
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a device for an engine of a rotary drilling rig to enter an idling state, which comprises a first main pump, a first pressure sensor, a second main pump, a second pressure sensor, an auxiliary pump sensor, a main controller, an engine control module, a walking pedal, a hydraulic control handle, a shuttle valve group and an engine idling pressure switch, wherein the first pressure sensor is installed in the first main pump and used for measuring oil pressure, the second pressure sensor is installed in the second main pump and used for measuring oil pressure, the auxiliary pump sensor is installed in the auxiliary pump and used for testing oil pressure, and the electrical connection part of the engine idling pressure switch, the engine control module, the first pressure sensor and the second pressure sensor are respectively and electrically connected with the main controller. The device for the rotary drilling rig to enter the idling state can save fuel oil and prolong the service life of the engine under the condition that the rotary drilling rig does not work mainly.
Description
Technical Field
The invention relates to a control device of a rotary drilling rig, in particular to a device for enabling an engine of the rotary drilling rig to enter an idle speed.
Background
The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering. The method is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, and is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like. The digging and drilling machines comprising the Kate chassis on the market are provided with devices for enabling an engine to enter an idling state under the condition of no working requirement, mainly for the consideration of energy conservation, and particularly under the condition of no action for a long time, the fuel consumption can be obviously saved.
Disclosure of Invention
The invention aims to provide a device for enabling an engine of a rotary drilling rig to enter an idle speed, so that fuel oil can be saved and the service life of the engine can be prolonged under the condition that the rotary drilling rig does not work mainly.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a device for an engine of a rotary drilling rig to enter an idling state comprises a first main pump, a first pressure sensor, a second main pump, a second pressure sensor, an auxiliary pump sensor, a main controller, an engine control module, a walking pedal, a hydraulic control handle, a shuttle valve group and an engine idling pressure switch, wherein the first pressure sensor is installed in the first main pump and used for measuring oil pressure, the second pressure sensor is installed in the second main pump and used for measuring oil pressure, the auxiliary pump sensor is installed in the auxiliary pump and used for measuring oil pressure, the electrical connection part of the engine idling pressure switch, the engine control module, the first pressure sensor and the second pressure sensor are respectively electrically connected with the main controller, the oil path of the walking pedal and the oil path of the hydraulic control handle are respectively connected with the oil path of the shuttle valve group, one path of oil outlet path of the shuttle valve group is connected with an oil path of an engine idling pressure switch.
Furthermore, the main controller and the engine control module are electrically connected with a touch liquid crystal display for displaying or setting parameters.
Furthermore, the touch liquid crystal display is connected with a port of the engine control module through a fuse.
Furthermore, the shuttle valve group comprises ten oil outlet paths, and the ten oil outlet paths are respectively and correspondingly connected with a hydraulic control handle for realizing different operation functions.
Further, the engine control module is electrically connected with the main controller through an engine emergency stop switch.
Further, engine control module and main control unit are supplied power by power module, power module includes power master switch, storage battery, engine generator and engine starting motor, power master switch and storage battery are established ties, the one end of power master switch and the other end of storage battery connect in parallel engine generator and engine starting motor in proper order.
Further, the power supply module further comprises an engine starting relay, a main power source relay and an engine starting key end, wherein the engine starting relay and the main power source relay are connected in parallel to form a control assembly, one end of the control assembly is connected with the engine starting key end in series, the other end of the control assembly is connected with a power source main switch in parallel, one end of the starting relay control switch is connected with the control end of an engine starting motor, one end of the control switch of the main power source relay is connected with the anode of the power source main switch in parallel, and the other end of the control switch of the main power source relay is connected with the power supply end of the engine control module in parallel.
Further, a fuse is connected in parallel between the engine starting key end and the power main switch.
By adopting the technical scheme, the device can realize two mechanisms to enable the engine of the rotary drilling rig to enter an idling state, the first mechanism is that when the auxiliary pump sensor detects that the total pressure in the auxiliary pump is reduced to be below 40Bar and the maintaining time is more than 5-20 seconds, the main controller outputs a working instruction to the engine control module, the engine enters the idling state, and in addition, when the auxiliary pump sensor detects that the total pressure in the auxiliary pump exceeds 40Bar, the state represents that the rotary drilling rig needs to act, the main controller outputs the working instruction to the engine control module, and the engine enters the idling state, so that the rotary drilling rig starts to work; the second mechanism is that when the hydraulic control handle acts, pressure output is achieved through one oil way of the shuttle valve group, the idle speed pressure switch of the engine is pushed to be closed, the main controller outputs a working instruction to the engine control module, and the engine enters the previous working rotating speed state so that the rotary drilling rig can start to work. When the walking pedal and the hydraulic control handle do not act, pressure output does not occur through one oil way of the shuttle valve group, the idle speed pressure switch of the engine is switched off, the maintaining time is more than 5-20 seconds, the controller outputs a working instruction to the engine control module, and the engine enters an idle speed state. The device can enable the engine of the rotary drilling rig to enter an idling state under the condition that the rotary drilling rig does not work mainly, so that fuel is saved, and the service life of the engine is prolonged.
Drawings
FIG. 1 is an electrical schematic of the present invention;
FIG. 2 is a hydraulic schematic of the present invention;
FIG. 3 is a partial partition block diagram of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of portion A of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of a portion of portion B of FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of a portion of portion C of FIG. 3 according to the present invention;
FIG. 7 is a partial partition block diagram of FIG. 1 in accordance with the present invention;
FIG. 8 is an enlarged partial view of portion D of FIG. 7 in accordance with the present invention;
FIG. 9 is an enlarged view of a portion E of FIG. 7 according to the present invention;
FIG. 10 is an enlarged partial view of section F of FIG. 7 in accordance with the present invention;
FIG. 11 is an enlarged partial view of the portion G of FIG. 7 according to the present invention;
FIG. 12 is an enlarged partial view of portion H of FIG. 7 in accordance with the present invention;
FIG. 13 is an enlarged view of a portion of portion I of FIG. 7 in accordance with the present invention;
FIG. 14 is an enlarged partial view of the J portion of FIG. 7 in accordance with the present invention;
in the figure, 1-power main switch, 2-battery, 3-engine generator, 4-engine starting motor, 5-engine starting relay, 6-main power relay, 7-engine starting key end, 8-fuse, 9-engine emergency stop switch, 10-engine control module, 11-bus inclination angle sensor, 12-touch control liquid crystal display, 13-first pressure sensor, 14-second pressure sensor, 15-auxiliary pump sensor, 16-engine idling pressure switch, 17-main controller, 18-hydraulic oil radiator, 19-hydraulic oil radiator control valve block, 20-first main valve, 21-auxiliary pump, 22-first main pump, 23-second main pump, 24-second main valve, 26-pilot gear pump, 27-auxiliary valve, 28-pilot control valve block, 29-walking pedal, 30-hydraulic control handle and 31-shuttle valve group.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-14, the invention discloses a device for an engine of a rotary drilling rig to enter an idle speed, comprising a first main pump 22, a first pressure sensor 13, a second main pump 23, a second pressure sensor 14, an auxiliary pump 21, an auxiliary pump sensor 15, a main controller 17, an engine control module 10, a walking pedal 29, a hydraulic control handle 30, a shuttle valve group 31 and an engine idle speed pressure switch 16, wherein the first pressure sensor 13 is installed in the first main pump 22 for measuring oil pressure, the second pressure sensor 14 is installed in the second main pump 23 for measuring oil pressure, the auxiliary pump sensor 15 is installed in the auxiliary pump 21 for measuring oil pressure, the electrical connection of the engine idle speed pressure switch 16, the engine control module 10, the first pressure sensor 13 and the second pressure sensor 14 are respectively electrically connected with the main controller 17, the oil path of the walking pedal 29 and the oil path of the hydraulic control handle 30 are respectively connected with the oil path of the shuttle valve group 31, and one of the oil paths of the shuttle valve group 31 is connected with the oil path of the engine idle speed pressure switch 16.
When the power head motor of the rotary drilling rig selects an external oil control port. According to the control curve diagram 0-10Bar of the external control oil port, when the pressure of the external control oil port of the motor increases by 1Bar, the variable starting point of the motor can be reduced by 10Bar, when the pressure of a hydraulic system is 320Bar, the variable starting point of the power head motor can be reduced to 220Bar, the rotating speed of the motor can adapt to the condition that the working pressure is set within the range from 220Bar to 320Bar, and the rotating speed of the motor can be adjusted between the maximum and the minimum.
The first mechanism is that when the auxiliary pump sensor 15 detects that the total pressure in the auxiliary pump 21 is reduced to be below 40Bar, and the maintaining time is more than 5-20 seconds, the main controller 17 outputs a working instruction to the engine control module 10, and the engine enters an idling state, and when the auxiliary pump sensor 15 detects that the total pressure in the auxiliary pump 21 exceeds 40Bar, the state represents that the rotary drilling rig needs to act, the main controller 17 outputs a working instruction to the engine control module 10, and the engine enters the idling state, so that the rotary drilling rig starts to work; the second mechanism is that when the hydraulic control handle 30 is actuated, pressure is output through one of the oil passages of the shuttle valve set 31 to push the engine idle pressure switch 16 to be closed, the main controller 17 outputs a working instruction to the engine control module 10, and the engine enters a previous working rotating speed state so that the rotary drilling rig starts to work. When the walking pedal 29 and the hydraulic control handle 30 do not act, no pressure is output through one of the oil passages of the shuttle valve group 31, the switch of the engine idle speed pressure switch 16 is turned off, the maintaining time is more than 5-20 seconds, the controller 17 outputs a working instruction to the engine control module 10, and the engine enters an idle speed state. The device can enable the engine of the rotary drilling rig to enter an idling state under the condition that the rotary drilling rig does not work mainly, so that fuel is saved, and the service life of the engine is prolonged.
The main controller 17 and the engine control module 10 are electrically connected with a touch liquid crystal display 12 for displaying or setting parameters, and the touch liquid crystal display 12 enables an operator to conveniently set a first mechanism at will on a parameter setting interface of the display so as to enable the maintenance time range of the rotary drilling rig engine to be within the auxiliary pump 21 when the total pressure in the rotary drilling rig engine enters the idling state exceeds 40 Bar.
The touch-sensitive liquid crystal display 12 is connected to a port of the engine control module 10 through a fuse 41. The engine control module 10 is electrically connected with the main controller 17 through the engine emergency stop switch 9, and the fuse 41 and the engine emergency stop switch 9 greatly improve the safety performance of the rotary excavator.
The shuttle valve group 31 comprises ten oil outlet paths, the ten oil outlet paths are respectively correspondingly connected with the hydraulic control handle 30 to realize different operation functions, the operation functions comprise left-right walking and front-back walking of the operation crawler, left-right movement of the power head and other states, and the function of the rotary drilling machine is richer.
The engine control module 10 and the main controller 17 are powered by a power supply module, the power supply module comprises a power supply main switch 1, a storage battery 2, an engine generator 3 and an engine starting motor 4, the power supply main switch 1 is connected with the storage battery 2 in series, and one end of the power supply main switch 1 and the other end of the storage battery 2 are sequentially connected with the engine generator 3 and the engine starting motor 4 in parallel. The power supply module further comprises an engine starting relay 5, a main power supply relay 6 and an engine starting key end 7, the engine starting relay 5 and the main power supply relay 6 are connected in parallel to form a control assembly, one end of the control assembly is connected with the engine starting key end 7 in series, the other end of the control assembly is connected with a power supply main switch 1 in parallel, one end of a control switch of the starting relay 5 is connected with a control end of an engine starting motor 4, one end of a control switch of the main power supply relay 6 is connected with the anode of the power supply main switch 1 in parallel, and the other end of the control switch of the main power supply relay 6 is connected with a power supply end.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. The utility model provides a device that is used for rotary drilling rig engine to get into idle speed which characterized in that: the hydraulic control system comprises a first main pump (22), a first pressure sensor (13), a second main pump (23), a second pressure sensor (14), an auxiliary pump (21), an auxiliary pump sensor (15), a main controller (17), an engine control module (10), a walking pedal (29), a hydraulic control handle (30), a shuttle valve group (31) and an engine idle speed pressure switch (16), wherein the first pressure sensor (13) is installed in the first main pump (22) and used for measuring oil pressure, the second pressure sensor (14) is installed in the second main pump (23) and used for measuring oil pressure, the auxiliary pump sensor (15) is installed in the auxiliary pump (21) and used for testing oil pressure, the electrical connection part of the engine idle speed pressure switch (16), the engine control module (10), the first pressure sensor (13) and the second pressure sensor (14) are respectively and electrically connected with the main controller (17), the oil circuit of the walking pedal (29) and the oil circuit of the hydraulic control handle (30) are respectively connected with the oil circuit of the shuttle valve group (31), and one oil outlet circuit of the shuttle valve group (31) is connected with the oil circuit of the engine idle speed pressure switch (16).
2. The device for enabling the engine of the rotary drilling rig to enter the idle speed according to claim 1, wherein the device is characterized in that: the main controller (17) and the engine control module (10) are electrically connected with a touch liquid crystal display (12) for displaying parameters or setting parameters.
3. The device for enabling the engine of the rotary drilling rig to enter the idle speed according to claim 2, wherein the device is characterized in that: the touch liquid crystal display (12) is connected with a port of the engine control module (10) through a fuse (41).
4. The device for enabling the engine of the rotary drilling rig to enter the idle speed according to claim 1, wherein the device is characterized in that: the shuttle valve group (31) comprises ten oil outlet paths, and the ten oil outlet paths are correspondingly connected with the hydraulic control handle (30) respectively and used for realizing different operation functions.
5. The device for enabling the engine of the rotary drilling rig to enter the idle speed according to claim 1, wherein the device is characterized in that: the engine control module (10) is electrically connected with the main controller (17) through an engine emergency stop switch (9).
6. The device for enabling the engine of the rotary drilling rig to enter the idle speed according to claim 1, wherein the device is characterized in that: the engine control module (10) and the main controller (17) are powered by a power supply module, the power supply module comprises a power supply master switch (1), a storage battery (2), an engine generator (3) and an engine starting motor (4), the power supply master switch (1) is connected with the storage battery (2) in series, and one end of the power supply master switch (1) and the other end of the storage battery (2) are sequentially connected with the engine generator (3) and the engine starting motor (4) in parallel.
7. The device for the rotary drilling rig engine to enter the idle speed as claimed in claim 6, wherein: the power supply module further comprises an engine starting relay (5), a main power supply relay (6) and an engine starting key end (7), the engine starting relay (5) and the main power supply relay (6) are connected in parallel to form a control assembly, one end of the control assembly is connected with the engine starting key end (7) in series, the other end of the control assembly is connected with a power supply main switch (1) in parallel, one end of the starting relay (5) control switch is connected with the control end of an engine starting motor (4), one end of the control switch of the main power supply relay (6) is connected with the anode of the power supply main switch (1) in parallel, and the other end of the control switch of the main power supply relay (6) is connected with the power supply end of the engine control module (10) in parallel.
8. The device for the rotary drilling rig engine to enter the idle speed as claimed in claim 7, wherein: and a fuse (8) is connected in parallel between the engine starting key end (7) and the power supply main switch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821278.8A CN110985219A (en) | 2019-09-02 | 2019-09-02 | Device for enabling engine of rotary drilling rig to enter idle speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821278.8A CN110985219A (en) | 2019-09-02 | 2019-09-02 | Device for enabling engine of rotary drilling rig to enter idle speed |
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| Publication Number | Publication Date |
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| CN110985219A true CN110985219A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910821278.8A Pending CN110985219A (en) | 2019-09-02 | 2019-09-02 | Device for enabling engine of rotary drilling rig to enter idle speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727618A (en) * | 2020-12-29 | 2021-04-30 | 恒天九五重工有限公司 | Intelligent idling system of rotary drilling rig |
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|---|---|---|---|---|
| US6276449B1 (en) * | 2000-03-23 | 2001-08-21 | Frederic M. Newman | Engine speed control for hoist and tongs |
| CN201778903U (en) * | 2010-08-14 | 2011-03-30 | 徐州徐工基础工程机械有限公司 | Automatic idle speed control system of rotary drilling rig |
| CN202280526U (en) * | 2011-09-21 | 2012-06-20 | 山东鸿达建工集团有限公司 | Control device capable of reducing oil consumption of rotary drilling rig |
| US20150275583A1 (en) * | 2014-03-26 | 2015-10-01 | Trevi S.P.A. | Drill rig and methods for directional drilling |
| CN204716408U (en) * | 2015-03-31 | 2015-10-21 | 徐州徐工基础工程机械有限公司 | Based on the automatic idle speed control system of rotary drilling rig detecting hydraulic pump outlet pressure |
| CN106468166A (en) * | 2016-04-06 | 2017-03-01 | 徐工集团工程机械有限公司 | Rotary drilling rig power-economizing method, system and rotary drilling rig |
| CN110145296A (en) * | 2019-01-09 | 2019-08-20 | 鹤山市厚积工程机械有限公司 | Device and method for the control of rotary drilling rig power limit |
-
2019
- 2019-09-02 CN CN201910821278.8A patent/CN110985219A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6276449B1 (en) * | 2000-03-23 | 2001-08-21 | Frederic M. Newman | Engine speed control for hoist and tongs |
| CN201778903U (en) * | 2010-08-14 | 2011-03-30 | 徐州徐工基础工程机械有限公司 | Automatic idle speed control system of rotary drilling rig |
| CN202280526U (en) * | 2011-09-21 | 2012-06-20 | 山东鸿达建工集团有限公司 | Control device capable of reducing oil consumption of rotary drilling rig |
| US20150275583A1 (en) * | 2014-03-26 | 2015-10-01 | Trevi S.P.A. | Drill rig and methods for directional drilling |
| CN204716408U (en) * | 2015-03-31 | 2015-10-21 | 徐州徐工基础工程机械有限公司 | Based on the automatic idle speed control system of rotary drilling rig detecting hydraulic pump outlet pressure |
| CN106468166A (en) * | 2016-04-06 | 2017-03-01 | 徐工集团工程机械有限公司 | Rotary drilling rig power-economizing method, system and rotary drilling rig |
| CN110145296A (en) * | 2019-01-09 | 2019-08-20 | 鹤山市厚积工程机械有限公司 | Device and method for the control of rotary drilling rig power limit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727618A (en) * | 2020-12-29 | 2021-04-30 | 恒天九五重工有限公司 | Intelligent idling system of rotary drilling rig |
| CN112727618B (en) * | 2020-12-29 | 2023-02-24 | 恒天九五重工有限公司 | Intelligent idling system of rotary drilling rig |
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Application publication date: 20200410 |
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