CN205136179U - Bivariate hydraulic pressure system for in rig - Google Patents
Bivariate hydraulic pressure system for in rig Download PDFInfo
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- CN205136179U CN205136179U CN201520485124.3U CN201520485124U CN205136179U CN 205136179 U CN205136179 U CN 205136179U CN 201520485124 U CN201520485124 U CN 201520485124U CN 205136179 U CN205136179 U CN 205136179U
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- variable displacement
- displacement pump
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- rig
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Abstract
The utility model relates to a bivariate hydraulic pressure system for in rig, the variable pump package that has adopted constant voltage variable series connection of pumps load response variable pump package to become provides oil sources and the bivariate hydraulic system of adoption variable displacement motor as execute component and necessary valve unit constitution, central proportion switching -over valve control break -make is opened by the liquid accuse to the output of constant voltage variable pump, proportional valve control break -make is responded to by liquid accuse load to the output of load response variable pump, and central proportion switching -over valve is driven in the accuse of above -mentioned liquid and the control of liquid accuse load response proportional valve is controld by manual pilot valve, controls the rotation and the lift of drilling tool respectively. The utility model discloses a bivariate volume speed control system widens the output parameter scope of rig, satisfies the low moment of torsion operating mode of high rotational speed of its needs when the mud well drilling or the big moment of torsion operating mode construction requirements of the slow -speed of revolution of other construction methods, make rig output capability all increase on high rotational speed and big moment of torsion by a wide margin, improved the efficiency of construction of rig greatly, reduced the energy consumption.
Description
Technical field
The utility model relates to hydraulic system field, particularly relates to a kind of bivariate hydraulic system be applied in rig.
Background technique
Physical prospecting explosive hole rig compares other industry rig apparently higher than the needs to drilling quality and fineness for the requirement of drilling efficiency, and therefore, explosive hole drilling rig hydraulic system has distinctive feature:
Construction region is wide---and temperature, height above sea level, ground surface environment are complicated, and system suitability requires high.
Construction complex formation---need wider speed range and torque range, ensure to use different well-drilling technologies efficiently to complete construction operation.
Efficiency requirements is high---and require different for highi degree of accuracy drilling well relative to other rig, physical prospecting explosive hole rig is higher for the requirement of efficiency of construction, main large-scale associated production construction organization cost and production timeliness window restriction requirement.
Such rig mainly adopts volume speed-modulating loop system at present, along with the progress of various technology and element, borer system also has common quantitative system, and valve control variable system (Proportional Valve-controlled quantitative system) develops to pump control variable system (load-sensing, invariable power etc.).
For the selection of existing technology maturity and element, the more advanced hydraulic system of present geophysical drilling machine rests on the pump control variable system of fixed displacement motor, this system has good energy-saving effect, control simple and reliable, but fail the ability of system of fully excavating, output capability narrow range, work capacity is low.
Further, the construction operation of omnidistance human intervention often can not make full use of equipment dynamic or systematic function, causes when the equipment of selection, the capability margin of consideration equipment is larger, apparatus arrangement structure size is large, acquisition cost and construction cost higher, energy consumption is comparatively large, is unfavorable for green construction operation.
In view of above-mentioned defect, the utility model creator obtains this creation finally through long research and practice.
Model utility content
The purpose of this utility model is to provide a kind of bivariate hydraulic system be applied in rig, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the utility model provides a kind of bivariate hydraulic system be applied in rig, and the variable displacement pump group that have employed constant pressure variable displacement pump (or metering pump) series load induction variable displacement pump composition provides oil sources and adopts variable displacement motor as the bivariate hydraulic system of the control valve group composition of executive component and necessity.
The load-sensing variable displacement pump that hydraulic system comprises constant pressure variable displacement pump (or metering pump) and is installed in series; Main pump is that constant pressure variable displacement pump (or metering pump) is in large discharge working state all the time when constructing, and meets the major demands that system is generally constructed, and auxiliary pump is that load-sensing variable displacement pump supplements deficiency according to load flow demand.
The output of constant pressure variable displacement pump (or metering pump) is driven center ratio selector valve by hydraulic control and is controlled break-make; The output of load-sensing variable displacement pump is by hydraulic control load-sensing proportional valve control break-make, and center ratio selector valve is driven in above-mentioned hydraulic control and hydraulic control load-sensing proportional valve control is handled by manual pilot valve; Control the rotation of drilling tool and lifting (being connected by up and down balance system valve or brake) respectively.
Further, unit head comprises the variable hydraulic motor being arranged on upper and lower end, and the output terminal of motor connects a speed reducer respectively, and the output terminal of speed reducer is connected with gearbox, and the output terminal of gearbox connects drilling tool.
Further, A1, A2 mouth of described hydraulic control load-sensing Proportional valve is connected with unit head variable piston motor, the filler opening that is elevated variable piston motor respectively.
Further, the described B2 mouth of hydraulic control load-sensing Proportional valve is connected with the A mouth of up and down balance system valve, and the B mouth of up and down balance system valve is connected with lifting variable piston motor.
This technology compared to existing technology beneficial effect is, the utility model is in identical power situation, selected by special system and element, the output capability scope making drilling rig hydraulic system more current is expanded greatly, the efficiency of construction of raising equipment and the work capacity of lifting means, utilize other Infrastructure of rig more efficiently.
The utility model adopts bivariate speed control system with adjustable displacement to widen hydraulic element output parameter scope, meets the construction requirement of the rig high rpm low torque operating mode of needs and low rotation speed large torque operating mode of other method of construction when DWM.More existing borer system exports at high rotating speed and high pulling torque significantly to be increased, and substantially increases the efficiency of construction of rig, reduces energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of borer system of the present utility model;
Fig. 2 is the structural representation of unit head of the present utility model;
Fig. 3 is the principle schematic of hydraulic system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristics and advantage of the utility model.
Refer to shown in Fig. 1, it is the structural representation of borer system of the present utility model, borer system comprises carriage chassis 11, the motor 12 be arranged on carriage chassis 11, arrange fore first slurry pump 13 and be arranged on second slurry pump 15 at rear portion, is provided with oil hydraulic pump group 14 between two slurry pump; Carriage chassis 11 is also provided with hydraulic cooler 16, is provided with hydraulic oil container 17 in rear end.
Arrange elevating system 110 at the end of carriage chassis 11, the bottom of elevating system 110 is provided with operating console 10, and elevating system 11 is connected with the derrick 19 of upper end, and derrick 19 is provided with unit head 18.
Motor 12 by transfer case by transmission of power to oil hydraulic pump and slurry pump, the control of hydraulic system and slurry pump concentrates on operating console 110 and operates.
Hydraulic system drives rig to rotate by unit head 18, elevating system is driven to complete the lifting of drilling system, high-pressure slurry is delivered to shaft bottom by slurry pump-unit head (turret head)-drilling tool by mud circulating system simultaneously, drilling cuttings is taken out of a wellhole ground, thus completes drilling tool construction.
Refer to shown in Fig. 2, it is the structural representation of unit head of the present utility model, and unit head is for drilling tool provides the critical component of rotary motive power and circulating liquid passage, is realized by two variable displacement motors and a set of speed reducer of speed reducer system parallel drive.Parallel drive is mainly in order to increase system output power to ensure the operating efficiency of rig.
Unit head comprises the variable hydraulic motor 1 being arranged on upper and lower end, and the output terminal of motor connects a speed reducer 2 respectively, and the output terminal of speed reducer 2 is connected with gearbox 4, and the output terminal of gearbox connects drilling tool 3.
Refer to shown in Fig. 3, for the principle schematic of hydraulic system of the present utility model, it load-sensing variable displacement pump 21 comprising constant pressure variable displacement pump (or metering pump) 22 and be arranged in series, wherein, described constant pressure variable displacement pump (or metering pump) 22, before pressure reaches setting value, delivery output hydraulic pressure oil under operating mode load; Described load hydraulic sensitive variable displacement pump 21, according to load variations situation, supplements the hydraulic pressure oil mass exported needed for executive component in real time.
The output terminal of constant pressure variable displacement pump (or metering pump) 22 connects hydraulic control respectively and drives center ratio selector valve 23; The output terminal of described load hydraulic sensitive variable displacement pump 21 connects hydraulic control load-sensing Proportional valve 28, and center ratio selector valve is driven in hydraulic control and hydraulic control load-sensing Proportional valve 28 controls opening and closing by manual pilot valve 24.A1, A2 mouth of described hydraulic control load-sensing Proportional valve 28 is connected with the filler opening of lifting variable piston motor 26 with unit head variable piston motor 25, up and down balance system valve 27 respectively.
The described B2 mouth of hydraulic control load-sensing Proportional valve 28 is connected with the A mouth of up and down balance system valve 27, and the B mouth of up and down balance system valve 27 is connected with lifting variable piston motor 26.
Described hydraulic control proportional reversing valve 23 controls constant-pressure variable pumping system according to guide oil size; Manual pilot valve 24, is controlled by driller according to construction operating mode, coordinates revolution and elevating system demand, drives two main valves to control the output flow of two pumps.
Hydraulic control proportional reversing valve 23 is connected with unit head variable piston 25.
Hydraulic control load-sensing Proportional valve 28, according to the demand modeling load-sensing variable displacement pump of manual pilot valve, mates the input flow rate demand of executive component.
Unit head variable piston 25, setting minimum injection rate and maximum pump discharge, system is automatic variable in setup pressure value, ensures that system works is interval in peak efficiency.
Lifting variable piston motor 26, according to load variations, is automatically change operating mode according to setup pressure value, ensures that system works is interval in peak efficiency.
When drilling machine construction, in order to ensure efficiency of construction, rotating speed has conclusive effect, according to construction experience, selected by rational element, make constant-pressure variable main pump be operated in full flow state always, utilize the output flow of load-sensing pump real-time matching, regulate drilling tool rising or falling speed to adapt to the continuous change on stratum, make whole system there will not be high pressure wait state.
The utility model adopts bivariate speed control system with adjustable displacement to widen hydraulic element output parameter scope, meets the construction requirement of the rig high rpm low torque operating mode of needs and low rotation speed large torque operating mode of other method of construction when DWM; Export at high rotating speed and high pulling torque and significantly increase, substantially increase the efficiency of construction of rig, reduce energy consumption.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for model utility, and nonrestrictive.Those skilled in the art is understood, and requires to carry out many changes to it in the spirit and scope that limit, amendment in model utility right, even equivalent, but all will fall in protection domain of the present utility model.
Claims (6)
1. one kind is applied to the bivariate hydraulic system in rig, it is characterized in that, the bivariate hydraulic system that the variable displacement pump group that have employed constant pressure variable displacement pump series load induction variable displacement pump composition provides oil sources and adopts variable displacement motor to form as executive component and control valve group;
The load-sensing variable displacement pump that above-mentioned hydraulic system comprises constant pressure variable displacement pump and is installed in series; Main pump is constant pressure variable displacement pump, and the output of constant pressure variable displacement pump is driven center ratio selector valve by hydraulic control and controlled break-make; The output of auxiliary pump load induction variable displacement pump is by hydraulic control load-sensing proportional valve control break-make, and center ratio selector valve is driven in above-mentioned hydraulic control and hydraulic control load-sensing proportional valve control is handled by manual pilot valve; Control rotation and the lifting of drilling tool respectively.
2. the bivariate hydraulic system be applied in rig according to claim 1, it is characterized in that, the system that the variable displacement pump group that have employed constant pressure variable displacement pump load-sensing variable displacement pump composition provides oil sources and adopts variable displacement motor to form as executive component and control valve group.
3. the bivariate hydraulic system be applied in rig according to claim 2, is characterized in that, manual pilot valve respectively by hydraulic control open center ratio selector valve and hydraulic control load-sensing Proportional valve simultaneously control system export.
4. the bivariate hydraulic system be applied in rig according to claim 2, it is characterized in that, unit head comprises the variable hydraulic motor being arranged on upper and lower end, the output terminal of motor connects a speed reducer respectively, the output terminal of speed reducer is connected with gearbox, and the output terminal of gearbox connects drilling tool.
5. the bivariate hydraulic system be applied in rig according to claim 2, is characterized in that, being connected to by up and down balance system valve of described hydraulic control load-sensing Proportional valve is elevated variable piston motor.
6. the bivariate hydraulic system be applied in rig according to claim 1, is characterized in that, described constant pressure variable displacement pump adopts metering pump to replace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485124.3U CN205136179U (en) | 2015-07-08 | 2015-07-08 | Bivariate hydraulic pressure system for in rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485124.3U CN205136179U (en) | 2015-07-08 | 2015-07-08 | Bivariate hydraulic pressure system for in rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136179U true CN205136179U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520485124.3U Expired - Fee Related CN205136179U (en) | 2015-07-08 | 2015-07-08 | Bivariate hydraulic pressure system for in rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136179U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035930A (en) * | 2018-01-15 | 2018-05-15 | 中煤科工集团重庆研究院有限公司 | The directional drilling machine power head and brake hydraulic system of logic-based control |
| CN110374578A (en) * | 2019-08-09 | 2019-10-25 | 桂林航天工业学院 | One kind being used for hydraulic impact machine performance testing device |
| CN112323202A (en) * | 2020-06-28 | 2021-02-05 | 江苏聚海机械有限公司 | Control method and application of adjustable variable-speed rotary head |
-
2015
- 2015-07-08 CN CN201520485124.3U patent/CN205136179U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035930A (en) * | 2018-01-15 | 2018-05-15 | 中煤科工集团重庆研究院有限公司 | The directional drilling machine power head and brake hydraulic system of logic-based control |
| CN108035930B (en) * | 2018-01-15 | 2023-08-22 | 中煤科工集团重庆研究院有限公司 | Directional drilling machine power head and brake hydraulic system based on logic control |
| CN110374578A (en) * | 2019-08-09 | 2019-10-25 | 桂林航天工业学院 | One kind being used for hydraulic impact machine performance testing device |
| CN112323202A (en) * | 2020-06-28 | 2021-02-05 | 江苏聚海机械有限公司 | Control method and application of adjustable variable-speed rotary head |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20190708 |