CN201934087U - Driving control device for rotary drilling rig and rotary drilling rig - Google Patents
Driving control device for rotary drilling rig and rotary drilling rig Download PDFInfo
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- CN201934087U CN201934087U CN2010206183817U CN201020618381U CN201934087U CN 201934087 U CN201934087 U CN 201934087U CN 2010206183817 U CN2010206183817 U CN 2010206183817U CN 201020618381 U CN201020618381 U CN 201020618381U CN 201934087 U CN201934087 U CN 201934087U
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Abstract
The utility model discloses a driving control device for a rotary drilling rig and the rotary drilling rig. The driving control device comprises a first loop and a second loop, wherein the first loop comprises a hydraulic pump, a control valve, a driving device and an oil tank; one end of the hydraulic pump is connected with the oil tank, and the other end is connected with the oil inlet of the control valve; the oil outlet of the control valve is connected with the driving device; and an oil discharge port is connected with the oil tank. The driving control device is characterized by further comprising two electrical proportional overflow valves, a deep-measuring sensor and a controller, wherein oil inlets of the electrical proportional overflow valves are connected with the driving device, oil outlets of the electrical proportional overflow valves are connected with the oil tank, and control ports of the electrical proportional overflow valves are connected with the controller; and the deep-measuring sensor is also connected with the controller. In the utility model, the electrical proportional overflow valves are additionally arranged on an oil circuit, and the pressurizing force of a pressurizing oil cylinder or a pressurizing windlass, and/or the pressurizing torque of a driving motor are/is regulated by the controller according to the hole depth signal feedback of the deep-measuring sensor, so that a drill rod is effectively protected, the construction efficiency is improved, and the construction cost is saved.
Description
Technical field
The utility model relates to a kind of driving control device of rotary drilling rig, also relates to a kind of rotary drilling rig that comprises this drive unit.
Background technology
Rotary drilling rig is the construction machinery of pore-forming operation in a kind of suitable building foundation engineering, mainly is suitable for soil layer constructions such as sand, cohesive soil, slity soil, is used widely in multiple foundation basic constructions such as castinplace pile, diaphragm wall, underpin.
When rotary drilling rig is worked, increasing along with drilling depth, distortion and the flexibility of drilling rod in the hole is also big more, the ability that drilling rod bears axial pressure load and torque load can reduce, if adopt same to add compressive load and torque load is constructed, then the probability that takes place in the accident of deep hole breaking of rod bar can improve greatly.
In the prior art, it doesn't matter deeply for creep into moment of torsion and plus-pressure and the brill of rotary drilling rig, and just system sets up creeps into moment of torsion and plus-pressure.Because the position, hole of engineering construction piling can not change, if in deep hole, cause the serious accident of bury drills because of drilling rod breaks, the way of taking is that drilling rod and the drill bit that will fall into smash up to the hole depth that designs with jump bit, will delay the time of construction like this, has a strong impact on construction speed and construction quality.And such serious accident all has a lot of generations every year, and the loss of every accident is all more than hundreds of thousands unit.
The utility model content
For solving the increasing of rotary drilling rig along with drilling depth, drilling rod is the problem of fracture easily, and the utility model provides a kind of driving control device of rotary drilling rig, and a kind of rotary drilling rig that comprises this driving control device also is provided.
A kind of driving control device of rotary drilling rig is provided according to one side of the present utility model, comprise first loop, second loop, this first loop comprises hydraulic pump, control valve, drive unit, fuel tank, hydraulic pump one end links to each other with fuel tank, the other end links to each other with the oil-in of control valve, the oil-out of control valve links to each other with drive unit, and oil drain out links to each other with fuel tank; This driving control device also comprises depth sensor and controller, this first loop also comprises electric proportional pressure control valve, and the oil-in of electric proportional pressure control valve links to each other with drive unit, and oil-out links to each other with fuel tank, the control mouth links to each other with controller, and depth sensor links to each other with controller.
Preferably, drive unit is pressurization oil cylinder or pressurization hoist engine, and the oil-in of electric proportional pressure control valve links to each other with the C mouth of pressurization oil cylinder or pressurization hoist engine.
Further, control valve is the 3 position-5 way electro-hydraulic proportional valve.
Preferably, driving control device also comprises overflow valve, and the oil-in of overflow valve is connected on the pipeline between oil pump and the control valve, and oil-out links to each other with fuel tank.
Further, control valve is the 3 position-5 way electro-hydraulic proportional valve.
Preferably, described second loop comprises hydraulic pump, overflow valve, 3 position-5 way electro-hydraulic proportional valve, electric proportional pressure control valve, CD-ROM drive motor; Hydraulic pump one end in described second loop links to each other with described fuel tank, and the other end links to each other with the oil-in of the 3 position-5 way electro-hydraulic proportional valve in described second loop; The oil-in of the overflow valve in described second loop is connected on the pipeline between the 3 position-5 way electro-hydraulic proportional valve in the oil pump in described second loop and described second loop, and oil-out links to each other with described fuel tank; The oil-out of the 3 position-5 way electro-hydraulic proportional valve in described second loop links to each other with described CD-ROM drive motor, and oil drain out links to each other with described fuel tank; The oil-in of the electric proportional pressure control valve in described second loop links to each other with the A mouth of described CD-ROM drive motor, and oil-out links to each other with described fuel tank, and the control mouth links to each other with described controller.
Preferably, drive unit is a CD-ROM drive motor, and the oil-in of electric proportional pressure control valve links to each other with the A mouth of CD-ROM drive motor.
Further, control valve is the 3 position-5 way electro-hydraulic proportional valve.
Preferably, driving control device also comprises overflow valve, and the oil-in of overflow valve is connected on the pipeline between oil pump and the control valve, and oil-out links to each other with fuel tank.
Provide a kind of rotary drilling rig on the other hand according to of the present utility model, comprise foregoing any driving control device.
Owing on the oil circuit of driving control device, increased electric proportional pressure control valve; by the feedback of depth sensor to hole depth information; controller can be according to the safe bearing capacity of drilling rod under the different depth; automatically adjust the pressure of drive unit under the different hole depth situations; as adjust unit head and drive the pressure of oil circuit and/or the pressure of unit head pressurization oil circuit; protect drilling rod effectively, thereby improved efficiency of construction, saved construction cost.
Description of drawings
Constitute this manual a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with manual.Among the figure:
Fig. 1 is the drilling operation schematic diagram of rotary drilling rig of the present utility model;
Fig. 2 is the drive control device controls schematic diagram of rotary drilling rig of the present utility model;
Fig. 3 is the control block diagram of the driving control device of rotary drilling rig of the present utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As depicted in figs. 1 and 2, rotary drilling rig comprises walking mechanism, slew gear 1, mast jib lubbing mechanism, mast 2, mast guide rail 3, unit head 4, CD-ROM drive motor 52, drilling rod 5, pressurization oil cylinder or pressurization hoist engine 51, casing 6, drill bit 7, depth sensor and controller etc.
Rotary drilling rig at first is by the own walking mechanism of rig (figure is mark not), the stake position of arriving in place that slew gear 1 and mast jib lubbing mechanism (figure is mark not) are correct with drilling tool, utilize mast guide rail 3 to transfer drilling rod 5 the bucket formula drill bit 7 that the bottom has valve is placed to the position, hole, drill power head 4 provides moment of torsion for drilling rod 5, pressurization oil cylinder or pressurization hoist engine 51 pass to drill bit 7 by the mode of pressurization unit head 4 with plus-pressure, the broken ground 8 of drill bit 7 revolutions, and in the drill bit 7 of directly it being packed into, and then drill bit is proposed to unload outside the hole soil by rig lifting appliance and telescopic drill rod, move in circles like this, constantly fetch earth, unload soil, until drilling to completion.
This driving control device comprises first loop, second loop, need to prove, when first loop is a unit head when adding hydraulic circuit, then second loop is that unit head drives the loop; When first loop was unit head driving loop, then second loop was that unit head adds hydraulic circuit.As shown in Figure 2, in the present embodiment, adding hydraulic circuit and unit head at unit head and drive in the loop and all increased electric proportional pressure control valve, is respectively the first electric proportional pressure control valve 41 and the second electric proportional pressure control valve 42.Certainly, can only add this electricity proportional pressure control valve of increase in hydraulic circuit or the unit head driving loop as required fully at unit head.Now adding the technical scheme that has all increased electric proportional pressure control valve in hydraulic circuit and the unit head driving loop with regard to unit head describes in detail.
The driving control device of the rotary drilling rig of present embodiment comprises that unit head adds hydraulic circuit and unit head drives two loops, loop.Unit head adds hydraulic circuit and comprises first hydraulic pump 11, first overflow valve 21, first control valve 31, pressurization oil cylinder or pressurization hoist engine 51, fuel tank 10, depth sensor and controller etc.; First hydraulic pump, 11 1 ends link to each other with fuel tank 10, and the other end links to each other with the oil-in of first control valve 31; The oil-out of first control valve 31 links to each other with pressurization oil cylinder 51, and oil drain out links to each other with fuel tank 10; The oil-in of first overflow valve 21 is connected on the pipeline between first oil pump 11 and first control valve 31, and oil-out links to each other with fuel tank 10; The oil-in of the first electric proportional pressure control valve 41 links to each other with the C mouth of pressurization oil cylinder or pressurization hoist engine 51, and oil-out links to each other with fuel tank 10, and the control mouth links to each other with controller; Depth sensor links to each other with controller.For the pressurization oil cylinder, the C mouth is communicated with the rodless cavity of oil cylinder.
Unit head drives the loop and comprises second hydraulic pump 12, second overflow valve 22, second control valve 32, CD-ROM drive motor 52, fuel tank 10, depth sensor and controller etc.; Second hydraulic pump, 12 1 ends link to each other with fuel tank 10, and the other end links to each other with the oil-in of second control valve 32; The oil-out of second control valve 32 links to each other with CD-ROM drive motor 52, and oil drain out links to each other with fuel tank 10; The oil-in of second overflow valve 22 is connected on the pipeline between second oil pump 12 and second control valve 32, and oil-out links to each other with fuel tank 10; The oil-in of the second electric proportional pressure control valve 42 links to each other with the A mouth of CD-ROM drive motor 52, and oil-out links to each other with fuel tank 10, and the control mouth links to each other with controller, wherein, when CD-ROM drive motor 52 driving unit heads 4 were just changeing, the A mouth was the oil-in of CD-ROM drive motor 52, and the B mouth is CD-ROM drive motor 52 oil-outs; When CD-ROM drive motor 52 drove unit head 4 counter-rotatings, the A mouth was the oil-out of CD-ROM drive motor 52, and the B mouth is CD-ROM drive motor 52 oil-ins; Depth sensor links to each other with controller.
As shown in Figure 3, the operating principle of driving control device is, depth sensor passes to controller with the hole depth signal, and controller is adjusted the flow of the first electric proportional pressure control valve and/or the second electric proportional pressure control valve automatically according to the hole depth signal, thereby controls the change of unit head plus-pressure and/or driving torque.The hole depth signal that controller is taked by electric proportional pressure control valve one magnitude of voltage or the current value of control program to unit head pressurization oil circuit and/or driving oil circuit, is adjusted the pressure of unit head pressurization oil circuit and the pressure that unit head drives oil circuit.Along with the increase of creeping into hole depth, depth sensor passes to controller with the hole depth signal, and controller strengthens the hydraulic flow of electric proportional pressure control valve proportionally, thereby reduces the plus-pressure of drilling rod and/or creep into moment of torsion.
As mentioned above, unit head adds hydraulic circuit and unit head drives the hydraulic circuit that the loop is respectively a driving different driving device, adds in the hydraulic circuit at unit head, and pressurization oil cylinder or pressurization hoist engine 51 are drive units; And drive in the loop at unit head, CD-ROM drive motor 52 is drive units.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
During rotary drilling rig work, along with the increasing of drilling depth, distortion and the flexibility of drilling rod in the hole is also big more, and the ability that drilling rod bears axial pressure load and torque load can reduce.The utility model one oil circuit is the pressurization oil circuit of unit head, and hydraulic pump provides pressure oil to pass through control valve, drives the pressurization to drilling rod of pressurization oil cylinder or pressurization hoist engine; Another oil circuit is that unit head drives oil circuit, and hydraulic pump provides pressure oil to pass through control valve, drives the unit head revolution, and the deceleration by unit head increases to be turned round, and drives drilling rod and rotates.Since above-mentioned two kinds of oil circuits or one of increased electric proportional pressure control valve; moment of torsion that then creeps into and/or plus-pressure can be according to the feedbacks of hole depth signal; controller is according to the safe bearing capacity of drilling rod under the different depth; automatically adjust the flow of electric proportional pressure control valve; thereby the change of control unit head plus-pressure and/or driving torque is effectively protected drilling rod, has improved efficiency of construction, has been saved construction cost.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the driving control device of a rotary drilling rig, comprise first loop, second loop, this first loop comprises hydraulic pump, control valve, drive unit, fuel tank, described hydraulic pump one end links to each other with described fuel tank, the other end links to each other with the oil-in of described control valve, the oil-out of described control valve links to each other with described drive unit, oil drain out links to each other with described fuel tank, it is characterized in that, described driving control device also comprises depth sensor and controller, described first loop also comprises electric proportional pressure control valve, the oil-in of described electric proportional pressure control valve links to each other with described drive unit, oil-out links to each other with described fuel tank, and the control mouth links to each other with described controller, and described depth sensor links to each other with described controller.
2. driving control device according to claim 1 is characterized in that, described drive unit is pressurization oil cylinder or pressurization hoist engine, and the oil-in of described electric proportional pressure control valve links to each other with the C mouth of described pressurization oil cylinder or pressurization hoist engine.
3. driving control device according to claim 2 is characterized in that described driving control device also comprises overflow valve, and the oil-in of described overflow valve is connected on the pipeline between described oil pump and the described control valve, and oil-out links to each other with described fuel tank.
4. driving control device according to claim 2 is characterized in that, described control valve is the 3 position-5 way electro-hydraulic proportional valve.
5. driving control device according to claim 3 is characterized in that, described control valve is the 3 position-5 way electro-hydraulic proportional valve.
6. driving control device according to claim 5 is characterized in that,
Described second loop comprises hydraulic pump, overflow valve, 3 position-5 way electro-hydraulic proportional valve, electric proportional pressure control valve, CD-ROM drive motor;
Hydraulic pump one end in described second loop links to each other with described fuel tank, and the other end links to each other with the oil-in of the 3 position-5 way electro-hydraulic proportional valve in described second loop;
The oil-in of the overflow valve in described second loop is connected on the pipeline between the 3 position-5 way electro-hydraulic proportional valve in the oil pump in described second loop and described second loop, and oil-out links to each other with described fuel tank;
The oil-out of the 3 position-5 way electro-hydraulic proportional valve in described second loop links to each other with described CD-ROM drive motor, and oil drain out links to each other with described fuel tank;
The oil-in of the electric proportional pressure control valve in described second loop links to each other with the A mouth of described CD-ROM drive motor, and oil-out links to each other with described fuel tank, and the control mouth links to each other with described controller.
7. driving control device according to claim 1 is characterized in that, described drive unit is a CD-ROM drive motor, and the oil-in of described electric proportional pressure control valve links to each other with the A mouth of described CD-ROM drive motor.
8. driving control device according to claim 7 is characterized in that described driving control device also comprises overflow valve, and the oil-in of described overflow valve is connected on the pipeline between described oil pump and the described control valve, and oil-out links to each other with described fuel tank.
9. driving control device according to claim 7 is characterized in that, described control valve is the 3 position-5 way electro-hydraulic proportional valve.
10. a rotary drilling rig comprises any described driving control device of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206183817U CN201934087U (en) | 2010-11-23 | 2010-11-23 | Driving control device for rotary drilling rig and rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206183817U CN201934087U (en) | 2010-11-23 | 2010-11-23 | Driving control device for rotary drilling rig and rotary drilling rig |
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| CN201934087U true CN201934087U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206183817U Expired - Lifetime CN201934087U (en) | 2010-11-23 | 2010-11-23 | Driving control device for rotary drilling rig and rotary drilling rig |
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| CN102359366A (en) * | 2011-08-22 | 2012-02-22 | 徐州徐工基础工程机械有限公司 | Rod carrying monitoring system for drill rod of rotary drilling machine |
| CN102536194A (en) * | 2011-12-13 | 2012-07-04 | 中国石油集团长城钻探工程有限公司 | Hydraulic drive's automatic control system that send of constant weight of boring |
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| CN102877786A (en) * | 2012-10-09 | 2013-01-16 | 大元建业集团股份有限公司 | Method and device for improving pore-forming efficiency of rotary drilling rig |
| CN102926655A (en) * | 2012-11-22 | 2013-02-13 | 上海中联重科桩工机械有限公司 | Control method and control device of rotary drilling rig, and rotary drilling rig |
| CN102937018A (en) * | 2012-10-31 | 2013-02-20 | 中联重科股份有限公司 | Method and device for pressurization control of full-friction type drill rod and rotary drilling rig |
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| CN102359366A (en) * | 2011-08-22 | 2012-02-22 | 徐州徐工基础工程机械有限公司 | Rod carrying monitoring system for drill rod of rotary drilling machine |
| CN102536194A (en) * | 2011-12-13 | 2012-07-04 | 中国石油集团长城钻探工程有限公司 | Hydraulic drive's automatic control system that send of constant weight of boring |
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| CN108868739A (en) * | 2018-07-16 | 2018-11-23 | 高邮市恒辉机械有限公司 | A kind of rotary digging driller mast control device |
| US10865068B2 (en) | 2019-04-23 | 2020-12-15 | PATCO Machine & Fab., Inc. | Electronically controlled reel systems including electric motors |
| CN110984956A (en) * | 2019-11-27 | 2020-04-10 | 上海中联重科桩工机械有限公司 | Power head anti-sticking drilling electric control system, control method thereof and rotary drilling rig |
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Owner name: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE + TECHNOL Free format text: FORMER NAME: CHANG SHA ZOOMLION HEAVY INDUSTRY SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Co-patentee after: Shanghai Zoomlion Heavy Industry Science and Technology Piling Machinery Co., Ltd. Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Co-patentee before: Shanghai Zoomlion Heavy Industry Science and Technology Piling Machinery Co., Ltd. Patentee before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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Granted publication date: 20110817 |