CN102392840B - Ascending and descending control system for main elevator of rotary drilling machine - Google Patents
Ascending and descending control system for main elevator of rotary drilling machine Download PDFInfo
- Publication number
- CN102392840B CN102392840B CN201110381973.0A CN201110381973A CN102392840B CN 102392840 B CN102392840 B CN 102392840B CN 201110381973 A CN201110381973 A CN 201110381973A CN 102392840 B CN102392840 B CN 102392840B
- Authority
- CN
- China
- Prior art keywords
- communicated
- master winch
- valve
- oil outlet
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an ascending and descending control system for a main elevator of a rotary drilling machine. A three-position four-way hydraulic control reversing valve is added, wherein an X control port of the three-position four-way hydraulic control reversing valve is communicated with an ascending guide oil outlet of a main elevator guide control handle; a Y control port is communicated with a descending guide oil outlet of the main elevator guide control handle; an A port is communicated with an ascending channel; a B port is communicated with a descending channel; or the X control port is communicated with the descending guide oil outlet, the Y control port is communicated with the ascending guide oil outlet, the A port is communicated with the descending channel and the B port is communicated with the ascending channel. The control system disclosed by the invention has the beneficial effects that, first and second main pumps jointly supply oil to a main elevator motor when the main elevator is in a descending process, thereby improving the descending speed and working efficiency of the main elevator. Besides, when an original control system is reformed, only one three-position four-way hydraulic control reversing valve is added and an oil path is simply reformed, thereby reducing the difficulty in reforming the original control system.
Description
Technical field
The invention belongs to rotary drilling rig control technique field, relate in particular to a kind of rotary drilling rig master winch lift control system.
Background technique
Rotary drilling rig has the features such as installed power is large, output torque is large, hole quality is good, flexible and convenient operation, efficiency of construction is high, environmental pollution is little, coordinates different drilling tools, can adapt to the most geological condition of China.Rotary drilling rig has become the main construction plant of bored pile construction in building foundation engineering.
At present, what the chassis of most domestic rotary drilling rig was used is the chassis of excavator, the master winch interflow of rotary drilling rig control branch road corresponding be excavator swing arm interflow hydraulic pressure branch road.
Referring to Fig. 1, Fig. 1 is existing rotary drilling rig master winch lift control system, mainly comprises the first main pump 11, the second main pump 12, pioneer pump 13, master winch pilot control handle 14, the first main valve 15, the second main valve 16 and master winch motor 17.An oil inlet and outlet of master winch motor 17 connects rising passway 171, another oil inlet and outlet connects decline passway 172.The first main valve 15 forms by multi-joint directional control valve is integrated, be used for to a plurality of executive component fuel feeding, its tetrad is the hydraulic control proportional reversing valve with two actuator ports, and the actuator port A of this hydraulic control proportional reversing valve is communicated with the rising passway 171 of master winch motor, actuator port B is communicated with the decline passway 172 of master winch motor.The second main valve 16 forms by multi-joint directional control valve is integrated, and for giving a plurality of executive component fuel feeding, its tetrad is the hydraulic control proportional reversing valve with an actuator port, and the actuator port of this hydraulic control proportional reversing valve is communicated with the rising passway 171 of master winch motor 17.The filler opening of master winch pilot control handle 14 is communicated with the oil outlet of pioneer pump 13, the upward leader oil outlet of master winch pilot control handle 14 respectively with the upper control port of tetrad hydraulic control proportional reversing valve of the first main valve 15, the upper control port of the tetrad hydraulic control proportional reversing valve of the second main valve 16 is communicated with, the decline guide oil outlet of master winch pilot control handle 14 is communicated with the lower control port of the tetrad hydraulic control proportional reversing valve of the first main valve 15.The oil outlet of the first main pump 11 is connected with the filler opening of the first main valve 15, and the oil outlet of the second main pump 12 is connected with the filler opening of the second main valve.The first main pump 11 and the second main pump 12 all can be to the rising passway fuel feeding of master winch motor 17, but only have the first main pump 11 can be to the decline passway fuel feeding of master winch motor 17.
Rotary drilling rig master winch elevating control loop shown in Fig. 1, when master winch promotes, Dual-pump flow-converging is master winch motor fuel feeding, can reach the object of fast lifting, but in master winch decline process, only have the first main pump fuel feeding, cause master winch lowering velocity slow, working efficiency is lower.
In order to address this problem, the patent No. is that 200820118632.8 patent application has proposed a kind of Bidirectional confluence control system for reciprocation of main hoist of rotary drill rig, its structure as shown in Figure 2, mainly comprises master winch motor 21, master winch control valve 22, right oil hydraulic pump 23, rising passway 24, decline passway 25, left oil hydraulic pump 26, rotary control valve 27, rotary motor 28, master winch interflow control valve 29, aux. control valve 210 and auxiliary hydraulic pump 211.When needs are transferred master winch, adjust rotary control valve 27 in the next state, master winch control valve 22 in upper state, left oil hydraulic pump 26 and right oil hydraulic pump 23 are started working, the hydraulic oil extruding from left oil hydraulic pump 26 is after rotary control valve 27, enter in the decline passway 25 of master winch motor 1, and the hydraulic oil extruding from right oil hydraulic pump 23 is after master winch control valve 22, also enter into the decline passway 25 of master winch motor 21, realize the Dual-pump flow-converging of master winch decentralization process, improve lowering velocity and the working efficiency of master winch.
But, this control system has following defect: the revolution working connection on the original chassis of rotary drilling rig and pilot control oil circuit need to be dismantled entirely, will in aux. control valve 210, increase in addition one comes to rotary motor 28 fuel feeding, because domestic rotary drilling rig aux. control valve is all 5, namely control 5 actuators, and need in aux. control valve 210, increase by one now, need to again order aux. control valve and change, cause rotary drilling rig to having dispatched from the factory to carry out the difficulty of upgrading very large.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rotary drilling rig master winch lift control system, can realize the Dual-pump flow-converging fuel feeding in master winch decline process, improve lowering velocity and the working efficiency of master winch, and by this control system in dispatched from the factory rotary drilling rig time, only need to carry out simple structure of modification to the rotary drilling rig having dispatched from the factory.
For achieving the above object, the invention provides following technological scheme:
A rotary drilling rig master winch lift control system, comprises the first main pump, the second main pump, pioneer pump, master winch pilot control handle, the first main valve, the second main valve and master winch motor, also comprises a 3-position 4-way pilot operated directional control valve;
An oil inlet and outlet of described master winch motor connects rising passway, another oil inlet and outlet connects decline passway;
The oil outlet of described pioneer pump is communicated with the filler opening of described master winch pilot control handle;
The filler opening of described the first main valve is communicated with the oil outlet of described the first main pump, in described the first main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with the upward leader oil outlet of described master winch pilot control handle, the lower control mouthful of tetrad hydraulic control proportional reversing valve is communicated with the decline guide oil outlet of described master winch pilot control handle, and an actuator port corresponding with described upper control mouth in tetrad hydraulic control proportional reversing valve is communicated with described rising passway, another actuator port is communicated with described decline passway;
The filler opening of described the second main valve is communicated with the oil outlet of described the second main pump, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle simultaneously, and the actuator port of tetrad hydraulic control proportional reversing valve is communicated with the P mouth of described 3-position 4-way pilot operated directional control valve;
The X of described 3-position 4-way pilot operated directional control valve controls mouth and is communicated with the upward leader oil outlet of described master winch pilot control handle, Y controls mouth and is communicated with the decline guide oil outlet of described master winch pilot control handle, A mouth is communicated with described rising passway, B mouth is communicated with described decline passway, or X controls mouth and is communicated with the decline guide oil outlet of described master winch pilot control handle, Y controls mouth and is communicated with the upward leader oil outlet of described master winch pilot control handle, A mouth is communicated with described decline passway, B mouth is communicated with described rising passway, in addition, the T mouth of described 3-position 4-way pilot operated directional control valve is communicated with main fuel tank.
Preferably, in above-mentioned rotary drilling rig master winch lift control system, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle simultaneously, is specially:
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve and the upward leader oil outlet of described master winch pilot control handle are communicated with by pipeline road, be provided with and stop hydraulic oil to the mobile one-way valve of upward leader oil outlet of described master winch pilot control handle on described pipeline road;
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve and the decline guide oil outlet of described master winch pilot control handle are communicated with by another pipeline road, be provided with and stop hydraulic oil to the mobile one-way valve of decline guide oil outlet of described master winch pilot control handle on described pipeline road.
Preferably, in above-mentioned rotary drilling rig master winch lift control system, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle by three-way shuttle valve simultaneously, concrete:
The upward leader oil outlet of described master winch pilot control handle is communicated with a filler opening of described three-way shuttle valve;
The decline guide oil outlet of described master winch pilot control handle is communicated with another filler opening of described three-way shuttle valve;
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with the oil outlet of described three-way shuttle valve.
As can be seen here, beneficial effect of the present invention is: rotary drilling rig master winch lift control system disclosed by the invention is compared with original control system, increase a 3-position 4-way pilot operated directional control valve, be communicated with the upper control port of tetrad hydraulic control proportional reversing valve in the upward leader oil outlet of master winch pilot control handle and the second main valve simultaneously, make the high pressure oil that the second main pump flows out can flow into by the commutation effect of 3-position 4-way pilot operated directional control valve rising passway or the decline passway of master winch motor, guarantee in the decline process of master winch to be master winch motor fuel feeding by the first main pump and the second main pump interflow, thereby improve lowering velocity and the working efficiency of master winch, in addition, in the process that original control system is transformed, only need to increase a 3-position 4-way pilot operated directional control valve and carry out simple oil circuit transformation, therefore reduced the transformation difficulty of original control system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of existing a kind of rotary drilling rig master winch lift control system;
Fig. 2 is the structural representation of existing another kind of rotary drilling rig master winch lift control system;
Fig. 3 is the structural representation of a kind of rotary drilling rig master winch lift control system disclosed by the invention.
Embodiment
The invention discloses a kind of rotary drilling rig master winch lift control system, can realize the Dual-pump flow-converging fuel feeding in master winch decline process, improve lowering velocity and the working efficiency of master winch, and by this control system in dispatched from the factory rotary drilling rig time, only need to carry out simple structure of modification to the rotary drilling rig having dispatched from the factory.
Its basic principle is: in original control system, increase a 3-position 4-way pilot operated directional control valve, be communicated with the upper control port of tetrad hydraulic control proportional reversing valve in the upward leader oil outlet of master winch pilot control handle and the second main valve simultaneously, make the high pressure oil that the second main pump flows out by the commutation effect of 3-position 4-way pilot operated directional control valve, to flow into rising passway or the decline passway of master winch motor, guarantee in the decline process of master winch to be master winch motor fuel feeding by the first main pump and the second main pump interflow.Thereby improve lowering velocity and the working efficiency of master winch, in addition, in the process that original control system is transformed, only need to increase a 3-position 4-way pilot operated directional control valve and carry out simple oil circuit transformation, therefore reduced the transformation difficulty of original control system.
For making object, technological scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 3, Fig. 3 is the structural representation of a kind of rotary drilling rig master winch lift control system disclosed by the invention.
This control system comprises the first main pump 1, the second main pump 2, pioneer pump 3, master winch pilot control handle 4, the first main valve 5, the second main valve 6, master winch motor 7 and 3-position 4-way pilot operated directional control valve 8.
Wherein:
An oil inlet and outlet of master winch motor 7 connects rising passway 71, another oil inlet and outlet connects decline passway 72.
The oil outlet of pioneer pump 3 is communicated with the filler opening 41 of master winch pilot control handle 4.
The first main valve 5 consists of 5-linked hydraulic control proportional reversing valve.The filler opening of the first main valve 5 (i.e. the filler opening of the first hydraulic control proportional reversing valve) is communicated with the oil outlet of the first main pump 1, in the first main valve 5, the upper control port 541 of tetrad hydraulic control proportional reversing valve 54 is communicated with the upward leader oil outlet 42 of master winch pilot control handle 4, the lower control port 542 of tetrad hydraulic control proportional reversing valve 54 is communicated with the decline guide oil outlet 43 of master winch pilot control handle 4, actuator port (being actuator port A) corresponding with upper control mouth 541 in tetrad hydraulic control proportional reversing valve 54 is communicated with rising passway 71, another actuator port (being actuator port B) is communicated with decline passway 72.
The second main valve 6 consists of 5-linked hydraulic control proportional reversing valve.The filler opening of the second main valve 6 (i.e. the filler opening of the first hydraulic control proportional reversing valve) is communicated with the oil outlet of the second main pump 2, in the second main valve 6, the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 is communicated with upward leader oil outlet 42 and the decline guide oil outlet 43 of master winch pilot control handle 4 simultaneously, and the actuator port of tetrad hydraulic control proportional reversing valve 64 is communicated with the P mouth of 3-position 4-way pilot operated directional control valve 8.
3-position 4-way pilot operated directional control valve 8 has two and controls mouthful (X controls mouth and Y control mouthful), a filler opening (being P mouth), a return opening (being T mouth) and two oil outlets (being A mouth and B mouth).When hydraulic oil injects X control mouth, from P mouth to A mouth and from B mouth, to T mouth, form path; When hydraulic oil injects Y control mouth, from P mouth to B mouth and from A mouth, to T mouth, form path.
In enforcement, annexation between 3-position 4-way pilot operated directional control valve 8, master winch pilot control handle 4, the second main valve 6 and master winch motor 7 can be as shown in Figure 3, the X control mouthful that is 3-position 4-way pilot operated directional control valve 8 is communicated with the upward leader oil outlet 42 of master winch pilot control handle 4, Y controls mouth and is communicated with the decline guide oil outlet 43 of master winch pilot control handle 4, A mouth is communicated with rising passway 71, B mouth is communicated with decline passway 72, P mouth is communicated with the actuator port of tetrad hydraulic control proportional reversing valve 64 in the second main valve 6, and T mouth is communicated with main fuel tank.
Annexation between 3-position 4-way pilot operated directional control valve 8, master winch pilot control handle 4, the second main valve 6 and master winch motor 7 can also be, the X of 3-position 4-way pilot operated directional control valve 8 controls mouth and is communicated with the decline guide oil outlet 43 of master winch pilot control handle 4, Y controls mouth and is communicated with the upward leader oil outlet 42 of master winch pilot control handle 4, A mouth is communicated with decline passway 72, B mouth is communicated with rising passway 71, P mouth is communicated with the actuator port of tetrad hydraulic control proportional reversing valve 64 in the second main valve 6, and T mouth is communicated with main fuel tank.
In addition, in the second main valve 6, the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 is communicated with upward leader oil outlet 42 and the decline guide oil outlet 43 of master winch pilot control handle 4 simultaneously, can be accomplished in several ways.The present invention only describes two kinds in multiple implementation.
A kind of implementation: in the second main valve 6, the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 and the upward leader oil outlet 42 of master winch pilot control handle 4 are communicated with by pipeline road (not shown), on this pipeline road, be provided with one-way valve, this one-way valve can stop hydraulic oil to flow to the upward leader oil outlet 42 of master winch pilot control handle 4; In the second main valve 6, the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 and the decline guide oil outlet 43 of master winch pilot control handle 4 are communicated with by another pipeline road (not shown), on this pipeline road, be provided with one-way valve, this one-way valve can stop hydraulic oil to flow to the decline guide oil outlet 43 of master winch pilot control handle 4.
Another kind of implementation: refer to Fig. 3, a three-way shuttle valve 9 is set in control system, the upward leader oil outlet 42 of master winch pilot control handle 4 is communicated with a filler opening of three-way shuttle valve 9, the decline guide oil outlet 43 of master winch pilot control handle 4 is communicated with another filler opening of three-way shuttle valve 9, and in the second main valve 6, the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 is communicated with the oil outlet of three-way shuttle valve.
Below the running of the master winch of rotary drilling rig shown in Fig. 3 lift control system is described.
In master winch lifting process: master winch pilot control handle 4 is pulled master winch propradation; The hydraulic oil flowing out from pioneer pump 3 oil outlets enters the filler opening 41 of master winch pilot control handle 4, and hydraulic oil flows out from the upward leader oil outlet 42 of master winch pilot control handle 4 afterwards; The hydraulic oil flowing out from the upward leader oil outlet 42 of master winch pilot control handle 4 enters respectively the upper control port 541 of tetrad hydraulic control proportional reversing valve 54 the first main valve 5, the X of 3-position 4-way pilot operated directional control valve 8 controls mouthful and a filler opening of three-way shuttle valve 9, make 8 commutations of 3-position 4-way pilot operated directional control valve, now the P mouth in 3-position 4-way pilot operated directional control valve 8 and A mouth are communicated with, B mouth and T mouth be communicated with, and hydraulic oil flows into the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 the second main valve 6 from the oil outlet of three-way shuttle valve 9 simultaneously; The high pressure oil flowing out from the second main pump 2 flows into the second main valve 6, from the second main valve 6, the actuator port of tetrad hydraulic control proportional reversing valve 64 flows into the P mouth of 3-position 4-way pilot operated directional control valve 8 afterwards, through P mouth → A mouth passage, finally from the A mouth of 3-position 4-way pilot operated directional control valve 8, flow into the rising passway 71 of master winch motor 7; Meanwhile, the high pressure oil flowing out from the first main pump 1 flows into the first main valve 5, afterwards the rising passway 71 of the actuator port A of tetrad hydraulic control proportional reversing valve 54 inflow master winch motor 7 from the first main valve 5.Now, the first main pump 1 is given rising passway 71 fuel feeding of master winch motor 7 by the first main valve 5, the second main pump 2 is given rising passway 71 fuel feeding of master winch motor 7 by the second main valve 6 and 3-position 4-way pilot operated directional control valve 8 simultaneously, by the first main pump 1, the second main pump 2, drives 7 work of master winch motor simultaneously.
Hydraulic oil is after the interior circulation of master winch motor 7, enter in decline passway 72, part hydraulic oil is got back in main fuel tank by the actuator port B of tetrad hydraulic control proportional reversing valve 54 in the first main valve 5, another part hydraulic oil is got back to main fuel tank by B mouth → T mouth passage of pilot operated directional control valve 8, thereby realizes the lifting of master winch.
In master winch decline process: master winch pilot control handle 4 is pulled master winch decline state; The hydraulic oil flowing out from pioneer pump 3 oil outlets enters the filler opening 41 of master winch pilot control handle 4, and hydraulic oil flows out from the decline guide oil outlet 43 of master winch pilot control handle 4 afterwards; The hydraulic oil flowing out from the decline guide oil outlet 43 of master winch pilot control handle 4 enters respectively the lower control port 542 of tetrad hydraulic control proportional reversing valve 54 the first main valve 5, the Y of 3-position 4-way pilot operated directional control valve 8 controls mouthful and another filler opening of three-way shuttle valve 9, make 8 commutations of 3-position 4-way pilot operated directional control valve, now the P mouth in 3-position 4-way pilot operated directional control valve 8 and B mouth are communicated with, A mouth and T mouth be communicated with, and hydraulic oil flows into the upper control port 641 of tetrad hydraulic control proportional reversing valve 64 the second main valve 6 from the oil outlet of three-way shuttle valve 9 simultaneously; The high pressure oil flowing out from the second main pump 2 flows into the second main valve 6, from the second main valve 6, the actuator port of tetrad hydraulic control proportional reversing valve 64 flows into the P mouth of 3-position 4-way pilot operated directional control valve 8 afterwards, through P mouth → B mouth passage, finally from the B mouth of 3-position 4-way pilot operated directional control valve 8, flow into the decline passway 72 of master winch motor 7; Meanwhile, the high pressure oil flowing out from the first main pump 1 flows into the first main valve 5, afterwards the decline passway 72 of the actuator port B of tetrad hydraulic control proportional reversing valve 54 inflow master winch motor 7 from the first main valve 5.Now, the first main pump 1 is given decline passway 72 fuel feeding of master winch motor 7 by the first main valve 5, the second main pump 2 is given decline passway 72 fuel feeding of master winch motor 7 by the second main valve 6 and 3-position 4-way pilot operated directional control valve 8 simultaneously, by the first main pump 1, the second main pump 2, drives 7 work of master winch motor simultaneously.
Hydraulic oil is after the interior circulation of master winch motor 7, enter in rising passway 72, part hydraulic oil is got back in main fuel tank by the actuator port A of tetrad hydraulic control proportional reversing valve 54 in the first main valve 5, another part hydraulic oil is got back to main fuel tank by A mouth → T mouth passage of pilot operated directional control valve 8, thereby realizes the decline of master winch.
The above-mentioned disclosed rotary drilling rig master winch lift control system of the present invention, compare with original control system, increase a 3-position 4-way pilot operated directional control valve, be communicated with the upper control port of tetrad hydraulic control proportional reversing valve in the upward leader oil outlet of master winch pilot control handle and the second main valve simultaneously, make the high pressure oil that the second main pump flows out by the commutation effect of 3-position 4-way pilot operated directional control valve, to flow into rising passway or the decline passway of master winch motor, guarantee in the decline process of master winch to be master winch motor fuel feeding by the first main pump and the second main pump interflow.Thereby improve lowering velocity and the working efficiency of master winch, in addition, in the process that original control system is transformed, only need to increase a 3-position 4-way pilot operated directional control valve and carry out simple oil circuit transformation, therefore reduced the transformation difficulty of original control system.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a rotary drilling rig master winch lift control system, comprises the first main pump, the second main pump, pioneer pump, master winch pilot control handle, the first main valve, the second main valve and master winch motor, it is characterized in that, also comprises a 3-position 4-way pilot operated directional control valve;
An oil inlet and outlet of described master winch motor connects rising passway, another oil inlet and outlet connects decline passway;
The oil outlet of described pioneer pump is communicated with the filler opening of described master winch pilot control handle;
The filler opening of described the first main valve is communicated with the oil outlet of described the first main pump, in described the first main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with the upward leader oil outlet of described master winch pilot control handle, the lower control mouthful of tetrad hydraulic control proportional reversing valve is communicated with the decline guide oil outlet of described master winch pilot control handle, and the actuator port corresponding to described upper control mouth in tetrad hydraulic control proportional reversing valve is communicated with described rising passway, another actuator port is communicated with described decline passway;
The filler opening of described the second main valve is communicated with the oil outlet of described the second main pump, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle simultaneously, and the actuator port of tetrad hydraulic control proportional reversing valve is communicated with the P mouth of described 3-position 4-way pilot operated directional control valve;
The X of described 3-position 4-way pilot operated directional control valve controls mouth and is communicated with the upward leader oil outlet of described master winch pilot control handle, Y controls mouth and is communicated with the decline guide oil outlet of described master winch pilot control handle, A mouth is communicated with described rising passway, B mouth is communicated with described decline passway, or X controls mouth and is communicated with the decline guide oil outlet of described master winch pilot control handle, Y controls mouth and is communicated with the upward leader oil outlet of described master winch pilot control handle, A mouth is communicated with described decline passway, B mouth is communicated with described rising passway, in addition, the T mouth of described 3-position 4-way pilot operated directional control valve is communicated with main fuel tank.
2. rotary drilling rig master winch lift control system according to claim 1, it is characterized in that, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle simultaneously, is specially:
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve and the upward leader oil outlet of described master winch pilot control handle are communicated with by pipeline road, be provided with and stop hydraulic oil to the mobile one-way valve of upward leader oil outlet of described master winch pilot control handle on described pipeline road;
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve and the decline guide oil outlet of described master winch pilot control handle are communicated with by another pipeline road, be provided with and stop hydraulic oil to the mobile one-way valve of decline guide oil outlet of described master winch pilot control handle on described pipeline road.
3. rotary drilling rig master winch lift control system according to claim 1, it is characterized in that, in described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with upward leader oil outlet and the decline guide oil outlet of described master winch pilot control handle by three-way shuttle valve simultaneously, concrete:
The upward leader oil outlet of described master winch pilot control handle is communicated with a filler opening of described three-way shuttle valve;
The decline guide oil outlet of described master winch pilot control handle is communicated with another filler opening of described three-way shuttle valve;
In described the second main valve, the upper control port of tetrad hydraulic control proportional reversing valve is communicated with the oil outlet of described three-way shuttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381973.0A CN102392840B (en) | 2011-11-25 | 2011-11-25 | Ascending and descending control system for main elevator of rotary drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381973.0A CN102392840B (en) | 2011-11-25 | 2011-11-25 | Ascending and descending control system for main elevator of rotary drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392840A CN102392840A (en) | 2012-03-28 |
| CN102392840B true CN102392840B (en) | 2014-03-26 |
Family
ID=45860204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110381973.0A Active CN102392840B (en) | 2011-11-25 | 2011-11-25 | Ascending and descending control system for main elevator of rotary drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392840B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291674B (en) * | 2013-05-31 | 2015-10-21 | 武汉船用机械有限责任公司 | A kind of hydraulic lifting control system |
| CN104235090B (en) * | 2014-07-23 | 2016-08-24 | 北京市三一重机有限公司 | Negative feedback hydraulic system and rotary drilling rig |
| CN106523455A (en) * | 2016-10-31 | 2017-03-22 | 西南大学 | Tractor load-sensitive hydraulic system with double-pump confluence function |
| CN107806320B (en) * | 2017-11-28 | 2023-08-15 | 恒天九五重工有限公司 | Main pump auxiliary pump confluence control system and control method of rotary drilling rig |
| CN113790180B (en) * | 2021-09-14 | 2023-04-25 | 恒天九五重工有限公司 | Secondary pressurizing electrohydraulic control system and control method for rotary drilling rig |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206572Y (en) * | 2008-05-30 | 2009-03-11 | 湖南奥盛特重工科技有限公司 | Bidirectional confluence control system for reciprocation of main hoist of rotary drill rig |
| CN101723274A (en) * | 2009-11-11 | 2010-06-09 | 北京市三一重机有限公司 | Main winch retracting and stretching control system of rotary drilling rig and rotary drilling rig |
| CN202346679U (en) * | 2011-11-25 | 2012-07-25 | 北京南车时代机车车辆机械有限公司 | Lifting control system of main winch of rotary drilling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5097051B2 (en) * | 2008-08-21 | 2012-12-12 | 日立建機株式会社 | Hydraulic control equipment for construction machinery |
-
2011
- 2011-11-25 CN CN201110381973.0A patent/CN102392840B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206572Y (en) * | 2008-05-30 | 2009-03-11 | 湖南奥盛特重工科技有限公司 | Bidirectional confluence control system for reciprocation of main hoist of rotary drill rig |
| CN101723274A (en) * | 2009-11-11 | 2010-06-09 | 北京市三一重机有限公司 | Main winch retracting and stretching control system of rotary drilling rig and rotary drilling rig |
| CN202346679U (en) * | 2011-11-25 | 2012-07-25 | 北京南车时代机车车辆机械有限公司 | Lifting control system of main winch of rotary drilling machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-48336A 2010.03.04 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392840A (en) | 2012-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102392840B (en) | Ascending and descending control system for main elevator of rotary drilling machine | |
| CN101723274B (en) | Main winch retracting and stretching control system of rotary drilling rig and rotary drilling rig | |
| CN103628518B (en) | A kind of composite action priority control system, method and excavator | |
| CN101793042B (en) | Hydraulic loop device used for coordinating machine body rotation and movable arm swinging of digging machine | |
| CN202827716U (en) | Steering electro-hydraulic control system for remote-control loader | |
| CN202250029U (en) | Hydraulic control system for power head of rotary drilling jig and rotary drilling jig | |
| CN202577399U (en) | Movable arm lifting priority control system in medium-sized hydraulic excavator negative flow system | |
| CN109235534A (en) | A kind of hydraulic crawler excavator multipath hydraulic system | |
| CN104314461B (en) | Hydraulic control system of power head rock core drilling machine | |
| CN209761417U (en) | Hydraulic control system for cutting arm of boom-type heading machine | |
| CN102628284B (en) | Oil circuit control device for excavators | |
| CN207761575U (en) | The auxiliary pump Confluent control system of rotary drilling rig main pump | |
| CN203701185U (en) | Excavator hydraulic system and excavator | |
| CN105805067A (en) | Device for applying force to multiple points of steel supporting shaft synchronously | |
| CN111237294B (en) | Hydraulic system of walking pile driver | |
| CN209243808U (en) | A kind of hydraulic crawler excavator multipath hydraulic system | |
| CN202519716U (en) | Excavator scarper pan hydraulic system with confluence accelerating function | |
| CN205136179U (en) | Bivariate hydraulic pressure system for in rig | |
| CN202346679U (en) | Lifting control system of main winch of rotary drilling machine | |
| CN207406274U (en) | Stake machine equipment hydraulic speed-limiting system | |
| CN102704528A (en) | Excavator hydraulic system, control method for excavator hydraulic system and excavator | |
| CN216278716U (en) | Quick pressurizing and pulling hydraulic control system for power head of rotary drilling rig | |
| CN113790180B (en) | Secondary pressurizing electrohydraulic control system and control method for rotary drilling rig | |
| CN202970675U (en) | Hydraulic control system for rotary expansion device of rotary drilling rig | |
| CN106284352B (en) | Static pile press hydraulic control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102249 Beijing ChangPing Railway Station, west of Changping District, 500 meters Patentee after: Beijing CRRC Heavy Industry Mechanics Co., Ltd. Address before: 102249 Beijing ChangPing Railway Station, west of Changping District, 500 meters Patentee before: Beijing CSR Times Heavy Industry Machinery Co., Ltd. |