CN201206571Y - Complex control system for main hoist and power head of rotary drill rig - Google Patents
Complex control system for main hoist and power head of rotary drill rig Download PDFInfo
- Publication number
- CN201206571Y CN201206571Y CNU2008201186313U CN200820118631U CN201206571Y CN 201206571 Y CN201206571 Y CN 201206571Y CN U2008201186313 U CNU2008201186313 U CN U2008201186313U CN 200820118631 U CN200820118631 U CN 200820118631U CN 201206571 Y CN201206571 Y CN 201206571Y
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- master winch
- control valve
- unit head
- control
- power head
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Abstract
The utility model discloses a main winch and power head compound control system of a rotating drill, which comprises a main winch confluent control valve, a main winch control valve, a power head control valve, a power head confluent control valve, a power head motor, a main winch motor, a left control handle and a right control handle for controlling the closing and the opening of a control valve plug, which are connected on a left and a right hydraulic pumps. The composite control system further comprises two hydraulic valves in the normally open state. A run-in/run-out passage of the hydraulic valve is connected with a rotating control passage on the power head motor. The valve plug controls the opening and the closing of the run-in/run-out passage. Through the opening and the closing of the two hydraulic valves, the respective rotations of the power head motor and the main winch motor are realized when a main winch rises, thereby avoiding the phenomenon that a negative pressure ejector drill and working devices of different pressure grades can not move together in a drill hole. Therefore, the control system has the advantages of convenient operation, simple structure, and accurate and effective control.
Description
Technical field
The utility model relates to the control system on a kind of rotary drilling rig, particularly rotary drilling rig master winch and unit head compound control system.
Background technique
Rotary drilling rig is the efficient pore-forming equipment of a kind of heavy caliber that uses in the foundation construction, and the drilling rod that its utilization remains Vertical direction directly rotates, excavates ground, thereby forms the stake hole of the required diameter and the degree of depth fast on ground.This rotary drilling rig since power big, power is strong, easy to use, pore-forming is quick, so in the foundation construction process of the engineering of being widely used in, building.Existing rotary drilling rig master winch and unit head all adopt hydraulicdriven mode, and master winch is different with pressure rating in the unit head work, and the master winch working pressure is much larger than the working pressure of unit head.In the work, unit head adopts double pump interflow mode of operation, and with the workmanship and the working efficiency of assurance unit head, and master winch also is the master winch fuel feeding by two pump interflow for the unit head fuel feeding when up, the raising speed uplink; When descending, then carry out independent fuel feeding by one of them pump.Remain separate motion in master winch and the unit head course of action; the state that can not produce interlock or turn round simultaneously; though simplified existing hydraulic control system like this, improved the utilization ratio of double pump and pipeline, reduced cost of production; but in the actual using process; particularly when promoting master winch, owing to produce negative pressure through regular meeting at the bottom of the hole, make master winch lifting process difficulty; caused infringement for the master winch motor, even the situation that can't promote takes place.Its concrete hydraulic control system as shown in Figure 1, arrow is represented the direction that hydraulic oil flows among the figure.When right Joystick 2 is positioned at original state, operate left Joystick 1 upshift 14 to the master winch, master winch interflow control valve 5 is in upper state, master winch control valve 8 is in the next state, simultaneously, unit head control valve 6 and unit head interflow control valve 7 are in initial intermediateness, left side oil hydraulic pump 12 and right oil hydraulic pump 13 are worked simultaneously, hydraulic oil enters into master winch rising passway 16 through master winch interflow control valve 5 in the oil hydraulic pump 12 of a left side, hydraulic oil then also enters into master winch rising passway 16 through master winch control valve 8 in the right oil hydraulic pump 13, realized the double pump interflow work of master winch motor 9 when master winch rises, at this moment, unit head motor 3 is not subjected to the driving of hydraulic oil, is in relative static conditions.If can promote the counter-rotating of master winch time control braking force head, just can avoid the generation of negative pressure at the bottom of the hole, reduce the danger that brill takes place to inhale greatly.And how to improve the composite hydraulic control system of unit head and master winch, and in promoting the master winch process, can drive the unit head rotation simultaneously, be the problem that the utility model need solve.
Summary of the invention
In view of above-mentioned deficiency of the prior art, the utility model aims to provide a kind of rotary drilling rig master winch and the unit head compound control system that can control the unit head counter-rotating when promoting master winch simultaneously.
The utility model is achieved through the following technical solutions:
A kind of rotary drilling rig master winch and unit head compound control system, the left and right Joystick that comprises the master winch interflow control valve, master winch control valve, unit head control valve, unit head interflow control valve, unit head motor, master winch motor and the folding of control spool that are connected on the left and right oil hydraulic pump, also comprise two hydrovalves that are in normally open, the access way of hydrovalve is connected on the rotary control channel of unit head motor, the unlatching of spool control access way.
Described hydrovalve is the 2/2-way hydraulic sequence valve, and the spool of hydraulic sequence valve is connected on the control channel of master winch rising.
Rotary drilling rig master winch described in the utility model and unit head compound control system, be connected by access way on the rotary control channel of unit head motor two hydraulic sequence valves, and the spool of two hydraulic sequence valves is connected on the control channel that master winch rises, realized closing of hydraulic sequence valve, close the control that is subjected to master winch rising control channel, guaranteed that unit head control valve and master winch control valve can drive the requirement of unit head motor and master winch motor running simultaneously respectively, suction function solved owing to can't promote the problem of master winch smoothly, the situation of having avoided different pressures grade equipment to move simultaneously, have easy to operate, simple in structure, the effective advantage of precise control, the control when very being fit to rotary drilling rig medium power head and master winch composite move is used.
Description of drawings
Fig. 1 is the structural representation of original master winch and unit head compound control system;
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 2, the flow direction of hydraulic oil when the arrow representative promotes master winch among the figure, rotary drilling rig master winch described in the utility model and unit head compound control system, comprise a left side, right oil hydraulic pump 12,13, be connected a left side, right oil hydraulic pump 12, master winch interflow control valve 5 on 13, master winch control valve 8, unit head control valve 6, unit head interflow control valve 7, last hydraulic sequence valve 10, following hydraulic sequence valve 11, unit head motor 3 and master winch motor 9, and be used for controlling master winch interflow control valve 5, master winch control valve 8, unit head control valve 6, the left side of the spool folding of unit head interflow control valve 7, right Joystick 1,2, on, following hydraulic sequence valve 10,11 is two 2/2-way valves that are under the normally open, on, following hydraulic sequence valve 10,11 spool is connected on the control channel of master winch rising, on, the access way of following hydraulic sequence valve 10,11 is connected on the rotary control channel of unit head motor 3.
When promoting master winch, as shown in Figure 2, promoting left Joystick 1 is positioned on the master winch on the upshift 14, hydraulic oil promotes master winch interflow control valve 5, master winch control valve 8 and last hydraulic sequence valve 10 in the passage, the spool of hydraulic sequence valve 11 moves down, make that master winch interflow control valve 5 is in upper state, master winch control valve 8 is in the next state, the last hydraulic sequence valve 10 that is in connected state originally all is in off state with following hydraulic sequence valve 11.Promote right Joystick 2 and be on the unit head right-hand rotation shelves 15, the spool of hydraulic oil propulsion power head control valve 6 is in the next state, because last hydraulic sequence valve 10 is in off state, unit head interflow control valve 7 remains original state.At this moment, left side oil hydraulic pump 12 and right oil hydraulic pump 13 are started working, after unit head control valve 6 flowed into unit head motors 3, the propulsion power head horse reached 3 rotations to the hydraulic oil that is flowed out by left oil hydraulic pump 12 along the direction of arrow, and flow out the return flow line on unit head control valve 6 again.The hydraulic oil that flows out by right oil hydraulic pump 13 along the direction of arrow after master winch control valve 8 flow into master winch rising passway 16, promote 9 rotations of master winch motor, flow out return flow line on master winch decline passway 17, master winch control valve 8 again, thereby drive respectively when having realized unit head motor 3 and master winch motor 9, avoided inhaling the generation of brill situation.And be connected pipeline between master winch interflow control valve 5 and the master winch rising passway 16, because 9 work of master winch motor are pressed greater than the work of unit head motor 3 and are pressed, the hydraulic oil of being discharged by left oil hydraulic pump 12 that flows through through master winch interflow control valve 5 can't flow through one-way valve 4, so master winch interflow control valve 5 loses the effect to master winch motor 9 double pumps interflow, equally, be connected the pipeline between unit head interflow control valve 7 and the unit head motor 3, also collaborate the not on-state of control valve 7, and make unit head motor 3 when master winch rises, can not form the effect at double pump interflow owing to unit head.Certainly, when right Joystick 2 is on the unit head left-hand rotation shelves 18, corresponding unit head control valve 6 can be in the next state, and unit head interflow control valve 7 still can be in original state, this moment, unit head motor 3 and master winch motor 9 still can be to be driven respectively simultaneously, only changed the direction of turnover unit head motor 3, unit head motor 3 sense of rotation are changed through the hydraulic oil of unit head control valve 6.
Claims (2)
1, rotary drilling rig master winch and unit head compound control system, the left and right Joystick that comprises the master winch interflow control valve, master winch control valve, unit head control valve, unit head interflow control valve, unit head motor, master winch motor and the folding of control spool that are connected on the left and right oil hydraulic pump, it is characterized in that, also comprise two hydrovalves that are in normally open, the access way of described hydrovalve is connected on the rotary control channel of unit head motor, the unlatching of spool control access way.
2, rotary drilling rig master winch according to claim 1 and unit head compound control system is characterized in that, described hydrovalve is the 2/2-way hydraulic sequence valve, and the spool of described hydraulic sequence valve is connected on the control channel of master winch rising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186313U CN201206571Y (en) | 2008-05-30 | 2008-05-30 | Complex control system for main hoist and power head of rotary drill rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186313U CN201206571Y (en) | 2008-05-30 | 2008-05-30 | Complex control system for main hoist and power head of rotary drill rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206571Y true CN201206571Y (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201186313U Expired - Fee Related CN201206571Y (en) | 2008-05-30 | 2008-05-30 | Complex control system for main hoist and power head of rotary drill rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206571Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424336A (en) * | 2011-11-25 | 2012-04-25 | 北京市三一重机有限公司 | Rotary drilling rig and main winch placing down speed control device thereof |
| 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 |
| CN103291275A (en) * | 2013-06-13 | 2013-09-11 | 上海中联重科桩工机械有限公司 | Unlocking method and unlocking control system of rotary-drill and drill lock rod of rotary-drill |
| CN107416705A (en) * | 2017-06-17 | 2017-12-01 | 无锡德林船舶设备有限公司 | Utilize the hydraulic system of motor freewheel function increase pulling force adjustable range |
| CN109356893A (en) * | 2018-10-11 | 2019-02-19 | 武汉船用机械有限责任公司 | The hydraulic control system of luffing loop wheel machine |
| CN113915179A (en) * | 2021-09-30 | 2022-01-11 | 徐州徐工基础工程机械有限公司 | Spiral pile forming system and method with main hoisting speed and power head rotating speed matched in real time and rotary drilling rig |
| WO2024036970A1 (en) * | 2022-08-16 | 2024-02-22 | 中煤科工集团重庆研究院有限公司 | Micro-angle stepping control method for hydraulic motor |
| CN113864263B (en) * | 2021-09-30 | 2024-05-28 | 徐州徐工基础工程机械有限公司 | Single-handle controlled double-pump shunt system |
-
2008
- 2008-05-30 CN CNU2008201186313U patent/CN201206571Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424336A (en) * | 2011-11-25 | 2012-04-25 | 北京市三一重机有限公司 | Rotary drilling rig and main winch placing down speed control device thereof |
| CN102424336B (en) * | 2011-11-25 | 2014-04-16 | 北京市三一重机有限公司 | Rotary drilling rig and main winch placing down speed control device thereof |
| 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 |
| CN103291275A (en) * | 2013-06-13 | 2013-09-11 | 上海中联重科桩工机械有限公司 | Unlocking method and unlocking control system of rotary-drill and drill lock rod of rotary-drill |
| CN103291275B (en) * | 2013-06-13 | 2016-05-04 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and machine locking bar unlock method thereof, solution lock control system |
| CN107416705A (en) * | 2017-06-17 | 2017-12-01 | 无锡德林船舶设备有限公司 | Utilize the hydraulic system of motor freewheel function increase pulling force adjustable range |
| CN109356893A (en) * | 2018-10-11 | 2019-02-19 | 武汉船用机械有限责任公司 | The hydraulic control system of luffing loop wheel machine |
| CN113915179A (en) * | 2021-09-30 | 2022-01-11 | 徐州徐工基础工程机械有限公司 | Spiral pile forming system and method with main hoisting speed and power head rotating speed matched in real time and rotary drilling rig |
| CN113864263B (en) * | 2021-09-30 | 2024-05-28 | 徐州徐工基础工程机械有限公司 | Single-handle controlled double-pump shunt system |
| WO2024036970A1 (en) * | 2022-08-16 | 2024-02-22 | 中煤科工集团重庆研究院有限公司 | Micro-angle stepping control method for hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Complex control system for main hoist and power head of rotary drill rig Effective date of registration: 20130517 Granted publication date: 20090311 Pledgee: Hunan SME credit Company Limited by Guarantee Pledgor: Hunan OSAINT Heavy Industries Co., Ltd. Registration number: 2013990000288 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20170530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |