CN204553361U - A kind of rotary drilling rig master winch hydraulic system - Google Patents
A kind of rotary drilling rig master winch hydraulic system Download PDFInfo
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- CN204553361U CN204553361U CN201520083138.2U CN201520083138U CN204553361U CN 204553361 U CN204553361 U CN 204553361U CN 201520083138 U CN201520083138 U CN 201520083138U CN 204553361 U CN204553361 U CN 204553361U
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- way valve
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Abstract
The utility model discloses a kind of rotary drilling rig master winch hydraulic system, comprise two oil hydraulic pumps, relief valve, accumulators of main reversing valve, shuttle valve, floating valve, three one-way valves, fuel tank, main winch motor, brake cylinder, controller, two two position two-way valves, opposing connection, shuttle valve and floating valve are connected to the inlet and outlet of fuel channel of main winch motor, and another hydraulic fluid port of shuttle valve is by the first two position two-way valve link variable pump; It is that hydraulic energy is stored up that second two position two-way valve and one-way valve are connected in parallel on the transform gravitational energy discharged when drilling rod drilling bucket can be transferred by the utility model between accumulator and oil hydraulic pump, and then again hydraulic energy is discharged into working connection by loop when drilling rod drilling bucket promotes, achieves the recycling of energy; The utility model eliminates the equilibrium valve of prior art, avoids energy ezpenditure when transferring operating mode on equilibrium valve, reduces the heat load of hydraulic system, improves the working life of hydraulic element, mechanical parts.
Description
Technical field
The utility model relates to a kind of rotary drilling rig, is specifically related to a kind of rotary drilling rig master winch hydraulic system.
Background technique
At present, transferring not only only by the deadweight of drilling bucket drilling rod itself of drilling bucket drilling rod, but also need motor to export certain power, normally transferring of guarantee drilling rod drilling bucket.In the process that master winch is transferred, motor still needs the Rate of load condensate of 25% ~ 30%.Because in master winch hydraulic system, due to the existence of equilibrium valve, result in and transfer iff the deadweight of dependence drilling rod drilling bucket, the speed transferred can very slow, affects operating efficiency, cannot meet the demand of actual job.The average fuel consumption of master winch decentralization process motor accounts for the average fuel consumption 8% ~ 12% of whole cyclic process, and energy consumption is high.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of rotary drilling rig master winch hydraulic system is provided, eliminate the equilibrium valve in prior art, use accumulator instead to replace, reduce Hydraulic System Fever, improve component life, and the gravitational potential energy that energy Recycling of drill rod drilling bucket is transferred, this part energy is restored to lifting operating mode, saves energy.
In order to achieve the above object, the utility model comprises the main reversing valve of access main pump P mouth and main pump S mouth, two output terminals of main reversing valve connect the two ends of main winch motor, main winch motor is parallel with floating valve, shuttle valve and converging valve, the input end of converging valve connects the output terminal of shuttle valve and the input end of an input end and floating valve and the output terminal of the second one-way valve, the output terminal of converging valve connects another input end of shuttle valve, the output terminal of floating valve and the output terminal of the first one-way valve, first one-way valve is all connected the first fuel tank with the input end of the second one-way valve, main winch motor is also connected with load and brake cylinder,
The input end of described converging valve is also connected with the output terminal of the first two position two-way valve, the input end of the first two position two-way valve is connected the output terminal of the 3rd one-way valve and the output terminal of the second two position two-way valve by the first variable displacement pump with the second variable displacement pump, first variable displacement pump is coaxially connected with the second variable displacement pump, be connected with the second fuel tank between the first variable displacement pump and the second variable displacement pump, the input end of the second two position two-way valve connects input end and the accumulator of the 3rd one-way valve;
Described main reversing valve, converging valve, floating valve, main winch motor, the first two position two-way valve, the first variable displacement pump, the second variable displacement pump and the second two position two-way valve are all connected with controller.
Described second variable displacement pump connects the input end of relief valve, and the output terminal of relief valve connects the 3rd fuel tank.
Described brake cylinder connects pioneer pump P mouth and pioneer pump S mouth.
Compared with prior art, when drilling rod drilling bucket can be transferred by the utility model, the transform gravitational energy of release is that hydraulic energy is stored up, and and then again hydraulic energy is discharged into working connection by loop when drilling rod drilling bucket promotes, achieves the recycling of energy; The utility model eliminates the equilibrium valve of prior art, avoids energy ezpenditure when transferring operating mode on equilibrium valve, reduces the heat load of hydraulic system, improves the working life of hydraulic element, mechanical parts.This apparatus structure is simple, and use, operation, installation, maintenance are conveniently; The utility model adopts hydrovalve and two-way variable displacement pump to change the pressure of hydraulic oil, flow and flow direction, be easy to control the speed that drilling rod drilling bucket is transferred or promoted, and job security is easy to realize overload protection well.
Further, the utility model has relief valve and the 3rd fuel tank can collect the oil overflowed.
Accompanying drawing explanation
Fig. 1 is hydraulic system principle figure of the present utility model;
Wherein, 1-main reversing valve; 2-converging valve; 3-shuttle valve; 4-floating valve; 5-1-the first one-way valve; 5-2-the second one-way valve; 6-1-the first fuel tank; 6-2-the second fuel tank; 6-3-the 3rd fuel tank; 7-main winch motor; 8-load; 9-brake cylinder; 10-controller; 11-the first two position two-way valve; 12-the first variable displacement pump; 13-the second variable displacement pump; 14-relief valve; 15-the three one-way valve; 16-the second two position two-way valve; 17-accumulator.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
See Fig. 1, the utility model comprises the main reversing valve 1 of access main pump P mouth and main pump S mouth, two output terminals of main reversing valve 1 connect the two ends of main winch motor 7, main winch motor 7 is parallel with floating valve 4, shuttle valve 3 and converging valve 2, the input end of converging valve 2 connects the output terminal of the output terminal of shuttle valve 3 and the input end of an input end and floating valve 4 and the second one-way valve 5-2, the output terminal of converging valve 2 connects another input end of shuttle valve 3, the output terminal of floating valve 4 and the output terminal of the first one-way valve 5-1, first one-way valve 5-1 is all connected the first fuel tank 6-1 with the input end of the second one-way valve 5-2, main winch motor 7 is also connected with load 8 and brake cylinder 9, brake cylinder 9 connects pioneer pump P mouth and pioneer pump S mouth,
The input end of converging valve 2 is also connected with the output terminal of the first two position two-way valve 11, the input end of the first two position two-way valve 11 to be connected by the first variable displacement pump 12 input end that second variable displacement pump 13 connects relief valve 14 with the second variable displacement pump 13, the output terminal of the 3rd one-way valve 15 and the output terminal of the second two position two-way valve 16, first variable displacement pump 12 is coaxially connected with the second variable displacement pump 13, the second fuel tank 6-2 is connected with between the first variable displacement pump 12 and the second variable displacement pump 13, the output terminal of relief valve 14 connects the 3rd fuel tank 6-3, the input end of the second two position two-way valve 16 connects input end and the accumulator 17 of the 3rd one-way valve 15,
Main reversing valve 1, converging valve 2, floating valve 4, main winch motor 7, first two position two-way valve 11, first variable displacement pump 12, second variable displacement pump 13 and the second two position two-way valve 16 are all connected with controller 10.
Working procedure of the present utility model is as follows:
When supposing to promote operating mode, motor turns to as forward, accumulator releases energy when promoting operating mode, controller 10 makes converging valve 2 by electrical system, the electromagnet of the first two position two-way valve 11 obtains electric, main reversing valve 1, second two position two-way valve 16 must not be electric, main reversing valve 1 is operated in left position, converging valve 2 is operated in upper, first two position two-way valve 11 is operated in upper, second two position two-way valve 16 is operated in bottom, accumulator 17 releases energy, fluid in accumulator 17 drives the second variable displacement pump 13 to be operated in motor operating conditions, second variable displacement pump 13 is coaxially connected with the first variable displacement pump 12, first variable displacement pump 12 is operated in pump condition, through the first two position two-way valve 11, converging valve 2 gives working connection fuel feeding, collaborate with main pump, drive main winch motor 7, accelerate lifting speed, lower the load of motor.When drill rod boring tool promotes operating mode, oil circuit flows through path: accumulator 17 → one-way valve 15 → the second variable displacement pump 13 be operated in motor operating conditions → the first variable displacement pump 12 be operated in pump condition → the first two position two-way valve 11 upper → converging valve 2 upper, main pump oil circuit at A point and accumulator fluid interflow, drives main winch motor 7 through the left position of main reversing valve 1 jointly.
During the operating mode of drill rod boring tool whereabouts, controller 10 controls main reversing valve 1 electromagnet and obtains electric, and main reversing valve 1 is operated in right position, and main winch motor 7 is reversed, drive drill rod boring tool falls, in dropping process, the inertia of drill rod boring tool can main winch motor 7 accelerate to rotate in tow, and main pump delivery rate does not catch up with, under main winch motor 7 is operated in the operating mode of pump, fuel tank 6 gives its repairing by the first one-way valve 5-1 and the second one-way valve 5-2, and right side oil-feed, left side is fuel-displaced.Controller 10 controls converging valve 2 must not be electric, converging valve 2 is operated in bottom, first bi-bit bi-pass selector valve 11 and the second two position two-way valve 16 obtain electric, be operated in upper, accumulator 17 fill can fluid to flow through path as follows: on the right side of fuel tank 6 → the first one-way valve 5-1 and the first one-way valve 5-2 → main winch motor 7 → main winch motor 7 on the left of → shuttle valve 3 → the first two position two-way valve 11 is upper → the first variable displacement pump 12 be operated in motor operating conditions → the second variable displacement pump 13 be operated in pump condition → the second two position two-way valve 16 upper → accumulator 17.Fill energy to accumulator when master winch is transferred, be that hydraulic energy is stored in accumulator by transform gravitational energy, during lifting, accumulator discharges this part energy, achieves the recycling of energy.
When drill rod boring tool creeps into, main winch motor 7 must be floated, and the realization of the utility model float function is: controller 10 controls floating valve 3 must not electricity, and valve is operated in upper, and on the left of main winch motor 7, right side is directly connected, and motor floats.
Claims (3)
1. a rotary drilling rig master winch hydraulic system, it is characterized in that: the main reversing valve (1) comprising access main pump P mouth and main pump S mouth, two output terminals of main reversing valve (1) connect the two ends of main winch motor (7), main winch motor (7) is parallel with floating valve (4), shuttle valve (3) and converging valve (2), the input end of converging valve (2) connects the output terminal of shuttle valve (3) and the input end of an input end and floating valve (4) and the output terminal of the second one-way valve (5-2), the output terminal of converging valve (2) connects another input end of shuttle valve (3), the output terminal of floating valve (4) and the output terminal of the first one-way valve (5-1), first one-way valve (5-1) is all connected the first fuel tank (6-1) with the input end of the second one-way valve (5-2), main winch motor (7) is also connected with load (8) and brake cylinder (9),
The input end of described converging valve (2) is also connected with the output terminal of the first two position two-way valve (11), the input end of the first two position two-way valve (11) is connected the output terminal of the 3rd one-way valve (15) and the output terminal of the second two position two-way valve (16) by the first variable displacement pump (12) with the second variable displacement pump (13), first variable displacement pump (12) is coaxially connected with the second variable displacement pump (13), the second fuel tank (6-2) is connected with between the first variable displacement pump (12) and the second variable displacement pump (13), the input end of the second two position two-way valve (16) connects input end and the accumulator (17) of the 3rd one-way valve (15),
Described main reversing valve (1), converging valve (2), floating valve (4), main winch motor (7), the first two position two-way valve (11), the first variable displacement pump (12), the second variable displacement pump (13) and the second two position two-way valve (16) are all connected with controller (10).
2. a kind of rotary drilling rig master winch hydraulic system according to claim 1, it is characterized in that: described second variable displacement pump (13) connects the input end of relief valve (14), the output terminal of relief valve (14) connects the 3rd fuel tank (6-3).
3. a kind of rotary drilling rig master winch hydraulic system according to claim 1, is characterized in that: described brake cylinder (9) connects pioneer pump P mouth and pioneer pump S mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083138.2U CN204553361U (en) | 2015-02-05 | 2015-02-05 | A kind of rotary drilling rig master winch hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083138.2U CN204553361U (en) | 2015-02-05 | 2015-02-05 | A kind of rotary drilling rig master winch hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN204553361U true CN204553361U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083138.2U Expired - Fee Related CN204553361U (en) | 2015-02-05 | 2015-02-05 | A kind of rotary drilling rig master winch hydraulic system |
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| CN (1) | CN204553361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
-
2015
- 2015-02-05 CN CN201520083138.2U patent/CN204553361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
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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: 20150812 Termination date: 20160205 |