CN102373880A - Power water tap - Google Patents
Power water tap Download PDFInfo
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- CN102373880A CN102373880A CN2010102598539A CN201010259853A CN102373880A CN 102373880 A CN102373880 A CN 102373880A CN 2010102598539 A CN2010102598539 A CN 2010102598539A CN 201010259853 A CN201010259853 A CN 201010259853A CN 102373880 A CN102373880 A CN 102373880A
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Abstract
The invention relates to a power water tap. The water tap comprises a washing pipe and a central pipe communicated with the washing pipe and capable of rotating relative to the washing pipe. The power water tap also comprises a variable pump, a hydraulic motor, a first reversing valve, a second reversing valve and a container, wherein the hydraulic motor is used for driving the central pipe to rotate; the first end of the variable pump is connected with a port P of the first reversing valve and a port T of the second reversing valve; the second end of the variable pump is connected with a port T of the first reversing valve; a port P of the second reversing valve is connected to the container; a port A is connected with a control port X1 of the first reversing valve; a port B is connected with a control port X2 of the first reversing valve; the port A and the port B of the first reversing valve are connected with the hydraulic motor; and a port Y is connected with the container. The power water tap is driven by a hydraulic system and the output volume of the variable pump can be adjusted continuously, so that stepless speed regulation of the power water tap can be realized.
Description
Technical field
The present invention relates to a kind of rig, relate in particular to a kind of power swivel of rig.
Background technology
The straight drive system of available dynamic water tap comprises water tap, variable-frequency motor, electrical control system and reduction box.Water tap comprises housing, being arranged at the washing pipe in the housing and being communicated with washing pipe also can be with respect to the central tube of washing pipe rotation, and central tube is fixedly connected with drilling tool.Variable-frequency motor is connected with reduction box, and reduction box is in order to giving central tube with the transmission of power of variable-frequency motor, and reduces the transmission rotating speed.Electrical control system is used to control variable-frequency motor.When variable-frequency motor is worked, drive central tube through reduction box and rotate, thereby drive the drilling tool rotation.When needs are adjusted the velocity of rotation of drilling tool, change the operating frequency of variable-frequency motor, can realize the rotating speed adjustment of drilling tool.
Yet the electrical control system in this available dynamic faucet system is very complicated, and volume is big, weight is big, is not easy to installation and removal.
Summary of the invention
In view of this, be necessary to provide a kind of power swivel that can realize stepless speed regulation.
Power swivel comprises water tap, and said water tap comprises washing pipe and is connected with said washing pipe also can be with respect to the central tube of said washing pipe rotation, and said power swivel also comprises variable pump, hydraulic motor, first reversal valve, second reversal valve and container; Said hydraulic motor is used to drive said central tube and rotates; First end of said variable pump is connected with the T mouth of the P mouth of said first reversal valve and said second reversal valve, and second end of said variable pump is connected with the T mouth of said first reversal valve; The P mouth of said second reversal valve is connected to said container, and the control mouth X1 that the A mouth is connected to said first reversal valve connects, and the B mouth is connected with the control mouth X2 of said first reversal valve; The A mouth of said first reversal valve is connected with said hydraulic motor with the B mouth, and the Y mouth connects container; When the T of said second reversal valve mouth and the connection of B mouth, the P mouth of said first reversal valve and A mouth are communicated with, and T mouth and B mouth are communicated with, and the said central tube of said fluid motor-driven rotates; When the T of said second reversal valve mouth and the connection of A mouth, the A mouth of said first reversal valve and B mouth are communicated with the Y mouth simultaneously, and said hydraulic motor is in quick condition.
Above-mentioned power swivel is to drive through hydraulic system; Its variable pump delivery can be regulated continuously; Thereby can realize the stepless speed regulation of power swivel, and this driving system structure is simple, reduces the volume and weight of prior art medium power water tap greatly.
Description of drawings
Fig. 1 is the power swivel structure chart of preferred embodiment power swivel of the present invention.
Fig. 2 is the hydraulic schematic diagram of power swivel.
Fig. 3 is the partial enlarged drawing of hydraulic schematic diagram among Fig. 2.
Specific embodiment
As depicted in figs. 1 and 2, preferred embodiment power swivel of the present invention comprises power swivel 10, hydraulic motor 20 and fluid power system 30.Fluid power system 30 is used to hydraulic motor 20 power is provided.Hydraulic motor 20 is fixed on the power swivel 10.
One end of two-way variable displacement pump 31 is with after the oil-in of first one way valve 32 is connected in series; With oil-in, second overflow valve, 35 oil-outs of first overflow valve 34 and after connecing, be connected to P hydraulic fluid port and the X1 control mouthful of P hydraulic fluid port and X1 control mouthful and second two position three way directional control valve 41 of P hydraulic fluid port, first two position three way directional control valve 40 of P hydraulic fluid port, second switch valve with two-position and five-pass 37 of first switch valve with two-position and five-pass 36 more respectively.
The other end of two-way variable displacement pump 31 is with after the oil-in of second one way valve 33 is connected in series; With the oil-in of the oil-out of first overflow valve 34, second overflow valve 35 and connect, connect T hydraulic fluid port and the X2 control mouthful of T hydraulic fluid port and X2 control mouthful and second two position three way directional control valve 41 of T hydraulic fluid port, first two position three way directional control valve 40 of T hydraulic fluid port and second switch valve with two-position and five-pass 37 of first switch valve with two-position and five-pass 36 more respectively.
The A hydraulic fluid port of first two position three way directional control valve 40 is connected to the T hydraulic fluid port of first solenoid operated directional valve 38.The P hydraulic fluid port of first solenoid operated directional valve 38 is connected to container 42, and the A hydraulic fluid port is connected to the control mouth X1 of first switch valve with two-position and five-pass 36, and the B hydraulic fluid port is connected to the control mouth X2 of first switch valve with two-position and five-pass 36.The Y hydraulic fluid port of first switch valve with two-position and five-pass 36 is connected to container 42, and A hydraulic fluid port and B hydraulic fluid port are connected to two hydraulic fluid ports of first plunger 21 of hydraulic motor 20 respectively.
The A hydraulic fluid port of second two position three way directional control valve 41 is connected to the T hydraulic fluid port of second solenoid operated directional valve 39.The P hydraulic fluid port of second solenoid operated directional valve 39 is connected to container 42, and the A hydraulic fluid port is connected to the control mouth X1 of second switch valve with two-position and five-pass 37, and the B hydraulic fluid port is connected to the control mouth X2 of second switch valve with two-position and five-pass 37.The Y hydraulic fluid port of second switch valve with two-position and five-pass 36 is connected to container 42, and A hydraulic fluid port and B hydraulic fluid port are connected to two hydraulic fluid ports of second plunger 22 of hydraulic motor 20 respectively.
Two-way variable displacement pump 31 is with before the oil-in of first one way valve 32 is connected in series, and part fluid flows to the control mouth of second one way valve 33, with control second one way valve 33 reverse-conductings under the effect of hydraulic oil.Two-way variable displacement pump 31 is with before the oil-in of second one way valve 33 is connected in series, and part fluid flows to the control mouth of first one way valve 32, with control first one way valve 32 reverse-conductings under the effect of hydraulic oil.
Above-mentioned first switch valve with two-position and five-pass 36, first solenoid operated directional valve 38 and first two position three way directional control valve 40 constitute a freewheel valve, in order to first plunger 21 of control hydraulic motor 20.Second switch valve with two-position and five-pass 37, second solenoid operated directional valve 39 and second two position three way directional control valve 41 also constitute a freewheel valve, in order to control second plunger 22.
Two pressure sensors 44 are connected with two-way variable displacement pump 31 two ends respectively, are used to detect the pressure from the liquid of two-way variable displacement pump 31 outflows, to feed back to ECU 43.Speed probe 45 links to each other with hydraulic motor 20, is used to detect the rotating speed of hydraulic motor 20, to feed back to ECU 43.ECU 43 is according to the signal of two pressure sensors 44 and speed probe 45 feedbacks; Calculate rotating speed size and direction of rotation that two-way variable displacement pump 31 should be exported; Thereby electromagnet DT5 and DT6, the electromagnet DT3 of the electromagnet DT1 of first solenoid operated directional valve 38 and DT2 and second solenoid operated directional valve 39 and rotating speed, rotation direction, the gearshift that DT4 controls hydraulic motor through control two-way variable displacement pump 31.
Power swivel operating principle of the present invention is described below:
When the DT1 of first solenoid operated directional valve 38 energising; When two-way variable displacement pump 31 is rotated in the forward, the T hydraulic fluid port of first solenoid operated directional valve 38 and the conducting of B hydraulic fluid port, two-way variable displacement pump 31 pass through the oil-out oil suction of pipeline B from hydraulic motor 20; Two-way variable displacement pump 31 through pipeline A with the fluid that sucks via first one way valve 32 after; High-voltage oil liquid flows into the control mouth X1 of first two position three way directional control valve 40, and the P hydraulic fluid port of the two position three way directional control valve 40 of winning is communicated with the A hydraulic fluid port, high-voltage oil liquid via the P hydraulic fluid port after with the T hydraulic fluid port and B hydraulic fluid port of first solenoid operated directional valve 38 after; Flow into the control mouth X2 of first switch valve with two-position and five-pass 36; Control P hydraulic fluid port and the conducting of A hydraulic fluid port, B hydraulic fluid port and the conducting of T hydraulic fluid port, at this moment; Pump into first plunger 21 of hydraulic motor 20 via the hydraulic oil behind first one way valve 32 through the P hydraulic fluid port of first switch valve with two-position and five-pass 36, drive first plunger, 21 forward rotation.
In like manner, at this moment, if the DT3 of second solenoid operated directional valve 39 energising, then second plunger 22 is also driven forward rotation, makes central tube 13 to rotate at 0～150RPM top gear.If; This moment, the DT4 of second solenoid operated directional valve 39 switched on; The then T hydraulic fluid port of second solenoid operated directional valve 39 and the conducting of A hydraulic fluid port after the T hydraulic fluid port and A hydraulic fluid port of high-voltage oil liquid via second solenoid operated directional valve 39, flows into the control mouth X1 of second switch valve with two-position and five-pass 37; Control A hydraulic fluid port and B hydraulic fluid port while and the Y hydraulic fluid port conducting that is connected container; Make second plunger 22 be in quick condition, central tube 13 can rotate at 0～75RPM low or first gear, thereby realizes the gear switch of central tube 13 between top gear and low or first gear.
In like manner, if when two-way variable displacement pump 31 is rotated in the forward, the DT2 of first solenoid operated directional valve 38 energising, the DT3 energising of second solenoid operated directional valve 39, then first plunger 21 is in quick condition, and second plunger 22 is driven forward rotation.
When the DT1 of first solenoid operated directional valve 38 energising, during two-way variable displacement pump 31 reverse rotations, the T hydraulic fluid port of first solenoid operated directional valve 38 and the conducting of B hydraulic fluid port; Two-way variable displacement pump 31 pass through the oil-out oil suction of pipeline A from hydraulic motor 20; Two-way variable displacement pump 31 through pipeline B with the fluid that sucks via second one way valve 33 after, high-voltage oil liquid flows into the control mouth X2 of first two position three way directional control valve 40, and the T hydraulic fluid port of the two position three way directional control valve 40 of winning is communicated with the A hydraulic fluid port; High-voltage oil liquid via the T hydraulic fluid port after with the T hydraulic fluid port and B hydraulic fluid port of first solenoid operated directional valve 38 after; Flow into the control mouth X2 of second switch valve with two-position and five-pass 36, control P hydraulic fluid port and the conducting of A hydraulic fluid port, B hydraulic fluid port and the conducting of T hydraulic fluid port; At this moment; Pump into first plunger 21 of hydraulic motor 20 via the hydraulic oil behind second one way valve 33 through the T hydraulic fluid port of second switch valve with two-position and five-pass 36, drive first plunger, 21 backward rotation, thereby realize the adjustment that turns to of central tube 13.At this moment, if the DT3 of second solenoid operated directional valve 39 energising, then second plunger 22 is also driven forward rotation, makes central tube 13 to rotate at 0～150RPM top gear.If this moment, the DT4 of second solenoid operated directional valve 39 switched on, then second plunger 22 is in quick condition, and central tube 13 can rotate at 0～75RPM low or first gear.
When the rotating speed of central tube 13 is adjusted in the needs adjustment, the discharge capacity of adjustment two-way variable displacement pump 31 and hydraulic motor 20, the rotating speed of hydraulic motor 20 changes thereupon, thereby realizes speed governing.Because the discharge capacity of two-way variable displacement pump 1 can be regulated continuously, thereby can realize stepless speed regulation, and this driving system structure is simple, reduces the volume and weight of prior art medium power water tap greatly.
Claims (9)
1. power swivel; Comprise water tap; Said water tap comprises washing pipe and is connected with said washing pipe also can be with respect to the central tube of said washing pipe rotation, and it is characterized in that: said power swivel also comprises variable pump, hydraulic motor, first reversal valve, second reversal valve and container; Said hydraulic motor is used to drive said central tube and rotates; First end of said variable pump is connected with the T mouth of the P mouth of said first reversal valve and said second reversal valve, and second end of said variable pump is connected with the T mouth of said first reversal valve; The P mouth of said second reversal valve is connected to said container, and the control mouth X1 that the A mouth is connected to said first reversal valve connects, and the B mouth is connected with the control mouth X2 of said first reversal valve; The A mouth of said first reversal valve is connected with said hydraulic motor with the B mouth, and the Y mouth connects container; When the T of said second reversal valve mouth and the connection of B mouth, the P mouth of said first reversal valve and A mouth are communicated with, and T mouth and B mouth are communicated with, and the said central tube of said fluid motor-driven rotates; When the T of said second reversal valve mouth and the connection of A mouth, the A mouth of said first reversal valve and B mouth are communicated with the Y mouth simultaneously, and said hydraulic motor is in quick condition.
2. power swivel as claimed in claim 1; It is characterized in that: said variable pump is a two-way variable pump, and said power swivel also comprises the 5th reversal valve that connects second reversal valve and said variable pump, and the P mouth of said the 5th reversal valve connects first end of said variable pump; The T mouth connects second end of said variable pump; The A mouth connects the T mouth of second reversal valve, when first end of said variable pump is exported highly pressurised liquid, and the P mouth of said first two position three-way valve and the conducting of A mouth; When second end of said variable pump is exported highly pressurised liquid, the T mouth of said first two position three-way valve and the conducting of A mouth.
3. power swivel as claimed in claim 1; It is characterized in that: said hydraulic motor is double-deck plunger piston hydraulic motor; Comprise first plunger and second plunger, the A mouth of said second reversal valve is connected with said first plunger with the B mouth, and said power swivel also comprises the 3rd reversal valve and the 4th reversal valve; The T mouth of said the 4th reversal valve is connected with first end of said variable pump; The P mouth is connected to said container, and the control mouth X1 that the A mouth is connected to said the 3rd reversal valve connects, and the B mouth is connected with the control mouth X2 of said the 3rd reversal valve; The A mouth of said the 3rd reversal valve is connected with second plunger of said hydraulic motor with the B mouth, and the P mouth is connected with first end of said variable pump, and the T mouth is connected with second end of said variable pump, and the Y mouth connects container; When the T of said the 4th reversal valve mouth and the connection of B mouth, the P mouth of said the 3rd reversal valve and A mouth are communicated with, and T mouth and B mouth are communicated with; When the T of said the 4th reversal valve mouth and the connection of A mouth, the A mouth of said the 3rd reversal valve and B mouth are communicated with the Y mouth simultaneously.
4. power swivel as claimed in claim 3; It is characterized in that: said variable pump is a two-way variable pump, and said power swivel also comprises the 5th reversal valve and the 6th reversal valve that is connected the 4th reversal valve and said variable pump that connects said second reversal valve and said variable pump; The P mouth of said the 5th reversal valve connects first end of said variable pump, and the T mouth connects second end of said variable pump, and the A mouth connects the T mouth of first electromagnetic valve; The P mouth of said the 6th reversal valve connects first end of said variable pump, and the T mouth connects second end of said variable pump, and the A mouth connects the T mouth of second electromagnetic valve; When first end of said variable pump is exported highly pressurised liquid, the P mouth of said the 5th reversal valve and the conducting of A mouth, the P mouth of said the 6th reversal valve and the conducting of A mouth; When second end of said variable pump is exported highly pressurised liquid, the T mouth of said the 5th reversal valve and the conducting of A mouth, the T mouth of said the 6th reversal valve and the conducting of A mouth.
5. power swivel as claimed in claim 4; It is characterized in that: said second reversal valve and the 4th reversal valve are solenoid operated directional valve; Said power swivel also comprises ECU and two pressure sensors and the speed probe that are connected with said ECU; Said two pressure sensors are connected with second end with first end of said variable pump respectively; Said speed probe is connected with said hydraulic motor, and said ECU is according to electromagnet DT5 and DT6, the electromagnet DT1 of second reversal valve and electromagnet DT3 and the DT4 energising and the outage of DT2 and the 4th reversal valve of the said variable pump of signal controlling that receives.
6. power swivel as claimed in claim 4; It is characterized in that: first end of said variable pump is with after the oil-in of first one way valve is connected in series; Be connected with said first reversal valve, the 3rd reversal valve, the 5th reversal valve and the 6th reversal valve respectively again; Second end of said variable pump is with after the oil-in of second one way valve is connected in series; Be connected with said first reversal valve, the 3rd reversal valve, the 5th reversal valve and the 6th reversal valve respectively, and first end of said variable pump is connected with the control mouth of said second one way valve, second end of said variable pump is connected with the control mouth of said first one way valve again.
7. power swivel as claimed in claim 6; It is characterized in that: first end of said variable pump is with after the oil-in of first one way valve is connected in series; With the oil-out of the oil-in of first overflow valve, second overflow valve and connect; Be connected with said first reversal valve, the 3rd reversal valve, the 5th reversal valve and the 6th reversal valve respectively again; Second end of said variable pump is with after the oil-in of second one way valve is connected in series, and with the oil-in of the oil-out of first overflow valve, second overflow valve and connect, is connected with said first reversal valve, the 3rd reversal valve, the 5th reversal valve and the 6th reversal valve respectively again.
8. power swivel as claimed in claim 6 is characterized in that: said variable pump is connected with the oil-in of the 3rd overflow valve, is connected to container again.
9. power swivel as claimed in claim 1 is characterized in that: described hydraulic motor is hollow hydraulic motor, and this hollow hydraulic motor is sheathed on the central tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010259853 CN102373880B (en) | 2010-08-23 | 2010-08-23 | Power water tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010259853 CN102373880B (en) | 2010-08-23 | 2010-08-23 | Power water tap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102373880A true CN102373880A (en) | 2012-03-14 |
| CN102373880B CN102373880B (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010259853 Active CN102373880B (en) | 2010-08-23 | 2010-08-23 | Power water tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102373880B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996537A (en) * | 2012-11-15 | 2013-03-27 | 四川宏华石油设备有限公司 | Power swivel stepless speed regulation hydraulic system |
| CN103316799A (en) * | 2013-05-07 | 2013-09-25 | 艾迪士径向钻井（烟台）有限公司 | High-pressure water conservancy injection system |
| CN115899406A (en) * | 2023-03-09 | 2023-04-04 | 威飞海洋装备制造有限公司 | High-pressure fracturing rotary joint for acidizing fracturing operation |
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| US4574893A (en) * | 1984-08-27 | 1986-03-11 | Young Horace J | Compact power swivel |
| US4984641A (en) * | 1990-02-07 | 1991-01-15 | Pryor Dale H | Swivels |
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| CN2591208Y (en) * | 2002-12-12 | 2003-12-10 | 天津探矿机械总厂 | Hydraulic unit head for water well drilling machine |
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| CN201460775U (en) * | 2009-07-30 | 2010-05-12 | 宝鸡石油机械有限责任公司 | Hydraulic power water tap of oil rig directly driven by adopting radial plunger motor |
| CN201763285U (en) * | 2010-08-23 | 2011-03-16 | 四川宏华石油设备有限公司 | Power hydrant |
-
2010
- 2010-08-23 CN CN 201010259853 patent/CN102373880B/en active Active
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| US4037672A (en) * | 1974-08-12 | 1977-07-26 | Hughes Tool Company | Shaft drill break-out system |
| US4574893A (en) * | 1984-08-27 | 1986-03-11 | Young Horace J | Compact power swivel |
| US4984641A (en) * | 1990-02-07 | 1991-01-15 | Pryor Dale H | Swivels |
| US20010003317A1 (en) * | 1999-12-01 | 2001-06-14 | Klemm Gunter W. | Hydraulic drilling-machine drive |
| CN2591208Y (en) * | 2002-12-12 | 2003-12-10 | 天津探矿机械总厂 | Hydraulic unit head for water well drilling machine |
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| CN201460775U (en) * | 2009-07-30 | 2010-05-12 | 宝鸡石油机械有限责任公司 | Hydraulic power water tap of oil rig directly driven by adopting radial plunger motor |
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| Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996537A (en) * | 2012-11-15 | 2013-03-27 | 四川宏华石油设备有限公司 | Power swivel stepless speed regulation hydraulic system |
| CN102996537B (en) * | 2012-11-15 | 2014-12-24 | 四川宏华石油设备有限公司 | Power swivel stepless speed regulation hydraulic system |
| CN103316799A (en) * | 2013-05-07 | 2013-09-25 | 艾迪士径向钻井（烟台）有限公司 | High-pressure water conservancy injection system |
| CN115899406A (en) * | 2023-03-09 | 2023-04-04 | 威飞海洋装备制造有限公司 | High-pressure fracturing rotary joint for acidizing fracturing operation |
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| Publication number | Publication date |
|---|---|
| CN102373880B (en) | 2013-12-25 |
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Inventor after: Hu Chaogang Inventor after: Zhao Lijian Inventor after: Ma Zhanqing Inventor before: Yan Changhong Inventor before: Hu Chaogang Inventor before: Ma Zhanqing Inventor before: Zhao Lijian |
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