CN102020213A - Method and device for controlling over-relaxation of wire rope in floating of winch - Google Patents
Method and device for controlling over-relaxation of wire rope in floating of winch Download PDFInfo
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- CN102020213A CN102020213A CN 201010521779 CN201010521779A CN102020213A CN 102020213 A CN102020213 A CN 102020213A CN 201010521779 CN201010521779 CN 201010521779 CN 201010521779 A CN201010521779 A CN 201010521779A CN 102020213 A CN102020213 A CN 102020213A
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Abstract
The invention discloses a method and a device for controlling the over-relaxation of a wire rope in the floating of a winch. In the process of realizing floating relaxation by the gravity of a load, the wire rope is always in a pre-tightened state by applying a certain back pressure to the lifting side of the winch. A back pressure valve (7) or a one-way valve with a certain opening pressure is connected in series with oil paths of a floating control valve (2) and on the lifting side of a motor (1). When in a floating state, the winch still can pre-tighten the wire rope to a certain extent and avoid the failures of disorder of the wire ropes on the winch and loose strands of the wire ropes, thereby prolonging the service life of the wire rope.
Description
Technical field
The present invention relates to a kind of when controlling elevator and floating steel rope cross the method for putting, the invention still further relates to the device that steel rope when realizing that this control elevator is unsteady is crossed the method for putting.
Background technology
As shown in Figure 1, on rotary drilling rig, drilling tool carries out operation at the bottom of transferring to the hole by elevator, when utilizing elevator to be put into drilling tool near the position at the bottom of the hole, the operator opens the control cock 2 of floating, the hydraulic circuit short circuit of control motor 1, motor two ends oil pressure pressure equates, under the application force of drilling tool 5 deadweights, elevator 3 drives revolution and transfers, and drilling tool drops at the bottom of the hole, this moment, the weight of drilling tool was born at the bottom of by the hole, elevator is in free state, is referred to as the elevator quick condition, can begin under this state to creep into.But in drilling process, steel rope 4 is sagging sometimes can occur putting phenomenon, makes the steel rope bending, and when steel rope bends to when touching the surface of drill stem state, the relative steel rope of drilling tool rotates and just caused steel rope undue wear and broken lot to damage; Moreover when elevator promoted once more, steel rope was crossed and is put, and can cause to twine chaotic on the reel and the damage steel rope.So all caused the fault of both having damaged service life that do not reach of steel rope.Before the present invention, mainly observe by operator's attention, timely operation, steel rope is crossed and is put phenomenon when preventing the elevator quick condition, but has increased operator's labour intensity.
Summary of the invention
First technical matters to be solved by this invention provides a kind of under the state that elevator floats, and avoids steel rope to cross and puts the phenomenon generation, thereby play the effect of protecting steel rope, and steel rope was crossed the method for putting when the control elevator of reduction operator intensity floated.
Second technical matters to be solved by this invention provide a kind of when realizing that this control elevator floats steel rope cross the device of the method for putting.
In order to solve above-mentioned first technical matters, steel rope was crossed the method for putting when control elevator provided by the invention floated, and the process relying on the load deadweight to float and transfer by giving to carry the certain back pressure of side on the elevator, makes steel rope be in the pretension state all the time.
When described elevator is motor-driven, when deadweight is transferred, give motor certain reverse voltage, make the elevator only can the tensioning steel rope, and can not overcome the strength that deadweight is fallen.
When described elevator is the hydraulic circuit driving, when deadweight is transferred, increase back pressure valve and energy storage in unsteady control oil channel, make elevator tensioning steel rope when quick condition, can make drilling tool rely on deadweight to touch subdrilling hole, hole again.
In order to solve above-mentioned second technical matters, steel rope was crossed the device of the method for putting when realization control rotary drilling rig elevator provided by the invention floated, comprise motor and unsteady control cock, on described unsteady control cock and described motor, carry the check valve that is in series with back pressure valve in the side oil circuit or has certain response pressure.
At described unsteady control cock and described back pressure valve or have between the check valve of certain response pressure and be connected with an energy storage or an oil sources pump.
Steel rope was crossed method and the device of putting thereof when the control elevator of employing technique scheme floated, when unsteady control cock energising, the oil circuit two ends of control cock are connected, under the application force of drilling tool deadweight, the elevator cylinder drives revolution and transfers, after the pressure oil that MB goes out passes through to float control cock, part is stored in the energy storage, arrive the MA mouth by back pressure valve then, therefore in that the two ends of motor MB---MA has difference of pressure, the pressure extent is set by back pressure valve, and pressure reduction can be by preestablishing pressure, and reaching can either the tensioning steel rope, drilling tool relies on and falls into the state that touches subdrilling hole, hole from Beijing South Maxpower Technology Co. Ltd simultaneously, the effect of energy storage is the flow that replenishes the motor loss due to leakage, makes can keep certain hour to be in steel rope under quick condition collapsing tight state, avoids steel rope sagging and occurred putting.Therefore the present invention just avoids the wearing and tearing of restricting and contacting with drilling tool, and avoid twining on the reel chaotic and the damage steel rope, steel rope has certain predetermincd tension all the time simultaneously, can avoid the broken lot of steel rope, comprehensive above factor the present invention can prevent to damage the generation of steel rope fault, alleviates operator's labour intensity.
Description of drawings
Steel rope was crossed and is put the phenomenon scheme drawing when Fig. 1 was existing rotary drilling rig elevator quick condition;
Fig. 2 is a structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
A kind of when controlling the rotary drilling rig elevator and floating steel rope cross the method for putting, the process relying on the load deadweight to float and transfer by giving to carry the certain back pressure of side on the elevator, makes steel rope be in the pretension state all the time.When elevator is motor-driven, when deadweight is transferred, give motor certain reverse voltage, make the elevator only can the tensioning steel rope, and can not overcome the strength that the drilling tool deadweight is fallen.When described elevator is the hydraulic circuit driving, when deadweight is transferred, increase back pressure valve and energy storage in unsteady control oil channel, make elevator tensioning steel rope when quick condition, can make drilling tool rely on deadweight to touch subdrilling hole, hole again.
As shown in Figure 2, on float control cock 2 and motor 1, carry and be in series with back pressure valve 7 in the side oil circuit, between unsteady control cock 2 and back pressure valve 7, be connected with an energy storage 6.
Referring to Fig. 2, when unsteady control cock 2 energisings, the oil circuit two ends of the control cock 2 of floating are connected, under the application force of drilling tool 5 deadweights, elevator 3 drives motor 1 rotation and transfers, after the pressure oil that MB goes out passes through to float control cock 2, part is stored in the energy storage 6, arrive the MA mouth by back pressure valve 7 then, therefore in that the two ends of motor 1 MB---MA has difference of pressure, the pressure extent is set by back pressure valve 7, and pressure reduction can be by preestablishing pressure, and reaching can either the tensioning steel rope, drilling tool 5 relies on and falls into the state that touches subdrilling hole, hole from Beijing South Maxpower Technology Co. Ltd simultaneously, the effect of energy storage 6 is the flows that replenish motor 1 loss due to leakage, makes can keep certain hour to be in steel rope 4 under quick condition collapsing tight state, avoids steel rope 4 sagging and occurred putting.Therefore the present invention just avoids the wearing and tearing of restricting and contacting with drilling tool, and avoid twining on the reel of elevator 3 chaotic and damage steel rope 4, steel rope 4 has certain predetermincd tension all the time simultaneously, can avoid the broken lot of steel rope 4, comprehensive above factor the present invention can prevent to damage the generation of steel rope fault, alleviates operator's labour intensity.
Energy storage 6 can change 1 oil sources pump, the device of the flow of motor loss due to leakage as a supplement on oil circuit; Or energy storage 6 is not installed, and also can reach the effect that the short time avoids steel rope to cross putting, still belong to this patent category.
On oil circuit, back pressure valve 7 can replace with the check valve that has certain response pressure, still belongs to this patent category.
This patent not only is useful on the rotary drilling rig, and is applicable to the occasion on all application elevators.
Claims (5)
1. a steel rope when controlling elevator and floating is crossed the method for putting, and it is characterized in that: the process relying on the load deadweight to float and transfer by giving to carry the certain back pressure of side on the elevator, makes steel rope be in the pretension state all the time.
2. steel rope was crossed the method for putting when control elevator according to claim 1 floated, it is characterized in that: when described elevator is motor-driven, when deadweight is transferred, give motor certain reverse voltage, make the elevator only can the tensioning steel rope, and can not overcome the strength that deadweight is fallen.
3. steel rope was crossed the method for putting when control elevator according to claim 1 floated, it is characterized in that: when described elevator is the hydraulic circuit driving, when deadweight is transferred, increase back pressure valve and energy storage in unsteady control oil channel, make elevator tensioning steel rope when quick condition, can make drilling tool rely on deadweight to touch subdrilling hole, hole again.
4. steel rope was crossed the device of the method for putting when the described control elevator of realization claim 1 floated, comprise motor (1), it is characterized in that: putting forward side on the described motor and transferring the check valve that is in series with unsteady control cock (2) and back pressure valve (7) between the side oil circuit or has certain response pressure.
5. steel rope was crossed the device of the method for putting when realization according to claim 4 control elevator floated, and it is characterized in that: at described unsteady control cock (2) and described back pressure valve (7) or have between the check valve of certain response pressure and be connected with an energy storage (6) or an oil sources pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010521779 CN102020213B (en) | 2010-10-27 | 2010-10-27 | Method and device for controlling over-relaxation of wire rope in floating of winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010521779 CN102020213B (en) | 2010-10-27 | 2010-10-27 | Method and device for controlling over-relaxation of wire rope in floating of winch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102020213A true CN102020213A (en) | 2011-04-20 |
| CN102020213B CN102020213B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010521779 Active CN102020213B (en) | 2010-10-27 | 2010-10-27 | Method and device for controlling over-relaxation of wire rope in floating of winch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815633A (en) * | 2012-09-03 | 2012-12-12 | 上海中联重科桩工机械有限公司 | Control device of hydraulic winch and engineering machinery |
| CN106365059A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Hydraulic control system and method for winch of core drilling machine |
| CN106429666A (en) * | 2016-11-11 | 2017-02-22 | 太原理工大学 | Hydro-electric combination drive friction type super capacitor mine hoist and control method thereof |
| CN110173255A (en) * | 2019-06-10 | 2019-08-27 | 北京三一智造科技有限公司 | A kind of master winch floating control method and system |
| CN112645163A (en) * | 2020-11-10 | 2021-04-13 | 中国煤炭科工集团太原研究院有限公司 | Cable winding device and control method of cable winding device |
Citations (4)
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|---|---|---|---|---|
| CN2356018Y (en) * | 1998-11-12 | 1999-12-29 | 湖北省国营沙洋江东机械制造厂 | Speed regulating hoist |
| CN2649478Y (en) * | 2003-09-27 | 2004-10-20 | 宝山钢铁股份有限公司 | Rapid cable-laying device |
| CN201351094Y (en) * | 2009-01-16 | 2009-11-25 | 江苏淮阴船用机械有限公司 | Constant-tension control system of automatic mooring winch for ship |
| CN101734571A (en) * | 2010-01-06 | 2010-06-16 | 中化岩土工程股份有限公司 | Speed control method for free falling winch and method for implementing method |
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2010
- 2010-10-27 CN CN 201010521779 patent/CN102020213B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356018Y (en) * | 1998-11-12 | 1999-12-29 | 湖北省国营沙洋江东机械制造厂 | Speed regulating hoist |
| CN2649478Y (en) * | 2003-09-27 | 2004-10-20 | 宝山钢铁股份有限公司 | Rapid cable-laying device |
| CN201351094Y (en) * | 2009-01-16 | 2009-11-25 | 江苏淮阴船用机械有限公司 | Constant-tension control system of automatic mooring winch for ship |
| CN101734571A (en) * | 2010-01-06 | 2010-06-16 | 中化岩土工程股份有限公司 | Speed control method for free falling winch and method for implementing method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815633A (en) * | 2012-09-03 | 2012-12-12 | 上海中联重科桩工机械有限公司 | Control device of hydraulic winch and engineering machinery |
| CN106365059A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Hydraulic control system and method for winch of core drilling machine |
| CN106429666A (en) * | 2016-11-11 | 2017-02-22 | 太原理工大学 | Hydro-electric combination drive friction type super capacitor mine hoist and control method thereof |
| CN110173255A (en) * | 2019-06-10 | 2019-08-27 | 北京三一智造科技有限公司 | A kind of master winch floating control method and system |
| CN110173255B (en) * | 2019-06-10 | 2022-11-04 | 北京三一智造科技有限公司 | Main winch floating control method and system |
| CN112645163A (en) * | 2020-11-10 | 2021-04-13 | 中国煤炭科工集团太原研究院有限公司 | Cable winding device and control method of cable winding device |
| CN112645163B (en) * | 2020-11-10 | 2022-12-27 | 中国煤炭科工集团太原研究院有限公司 | Cable winding device and control method of cable winding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102020213B (en) | 2013-05-08 |
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