CN203743100U - Multi-torque hydraulic system for power head of rotary drilling rig - Google Patents
Multi-torque hydraulic system for power head of rotary drilling rig Download PDFInfo
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- CN203743100U CN203743100U CN201420033978.3U CN201420033978U CN203743100U CN 203743100 U CN203743100 U CN 203743100U CN 201420033978 U CN201420033978 U CN 201420033978U CN 203743100 U CN203743100 U CN 203743100U
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Abstract
The utility model provides a multi-torque hydraulic system for a power head of a rotary drilling rig. The multi-torque hydraulic system is characterized by comprising a pump set. The main pump oil output port of the pump set is connected with the oil inlet of a flow sharing multi-way valve, the pilot pump oil output port of the pump set is connected with the oil inlet of a handle operation valve, the first oil outlet and the second oil outlet of the handle operation valve are connected with the first pilot oil port and the second pilot oil port of the multi-way valve respectively, the first oil outlet of the multi-way valve is connected with the first oil port of a hydraulic motor and the first oil port of a multifunctional oil supplementary valve, the second oil outlet of the multi-way valve is connected with the second oil port of the hydraulic motor and the second oil port of the multifunctional oil supplementary valve, and the third oil port of the multifunctional oil supplementary valve is connected with an oil tank. According to the multi-torque hydraulic system, an existing power head of the rotary drilling rig can have many torque gears. The multi-torque hydraulic system can be applied to the multi-way valve of a flow sharing control mode, is convenient to install, use and operate and can improve the work efficiency of hole forming of the rotary drilling rig.
Description
Technical field
The utility model relates to a kind of rotary digging drill power head hydraulic system, can be used for arranging the unit head hydraulic system of multistage moment of torsion.
Background technique
Unit head is one of most important operation mechanism of rotary drilling rig, the major impetus source while being also rotary drilling rig boring work, and it is comprised of speed reducer, oil hydraulic motor, power box and balladeur train etc.During rotary drilling rig boring work, motor passes through oil hydraulic pump, convert mechanical energy to hydraulic energy, by hydraulic partss such as selector valve, pipelines, hydraulic energy is passed to oil hydraulic motor again, by oil hydraulic motor, convert mechanical energy to, by speed reducer, power box the most at last transmission of power to drilling rod, thereby realize creeping into of rotary drilling rig.Multifunction along with rotary drilling rig configuration, also more diversified to the requirement of drilling rod, different construction operating modes and different engineering methods are different to the requirement of load, the unit head moment of torsion of single-mode cannot meet the usage requirement of multifunction now, need a kind of unit head system that many moments of torsion can be provided, meet current rotary drilling rig and configure different drilling rod requirements.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to operate many torque hydraulics of rotary digging drill power head system.
In order to achieve the above object, the utility model provides a kind of many torque hydraulics of rotary digging drill power head system, it is characterized in that, comprise pump group, the main pump output oil port connection traffic of pump group is shared the filler opening of multi-way valve, the filler opening of the pioneer pump output oil port connecting handle operating valve of pump group, the first oil outlet of lever operated valve and the second oil outlet be first guide's hydraulic fluid port and second guide's hydraulic fluid port of the shared multi-way valve of connection traffic respectively, flow is shared first the first hydraulic fluid port of oil outlet connecting fluid pressure motor and first hydraulic fluid port of multi-functional Fill valve of multi-way valve, flow is shared second the second hydraulic fluid port of oil outlet connecting fluid pressure motor and second hydraulic fluid port of multi-functional Fill valve of multi-way valve, the 3rd hydraulic fluid port of multi-functional Fill valve connects fuel tank.
Preferably, described pump group comprises motor, main pump and pioneer pump, main pump and pioneer pump connecting engine, and main pump and pioneer pump have respectively main pump output oil port and pioneer pump output oil port.
Preferably, described multi-functional Fill valve comprises the first spool, the second spool, the 3rd spool and the 4th spool, the first spool and the second spool are all connected the first hydraulic fluid port and second hydraulic fluid port of multi-functional Fill valve, the second spool connects the 3rd spool, the 3rd spool connects the 4th spool, and the first spool connects the 3rd hydraulic fluid port of multi-functional Fill valve.
Compared with prior art, the beneficial effects of the utility model are:
The utility model provides a kind of hydraulic system that makes existing rotary digging drill power head have many moments of torsion gear, can be applied in flow and share above the shared multi-way valve of flow of control mode, install and use easy to operately, can improve the working efficiency of rotary drilling rig pore-forming.
Accompanying drawing explanation
Fig. 1 is many torque hydraulics of rotary digging drill power head system architecture schematic diagram.
In figure:
1: pump group; 2, lever operated valve; 3, flow is shared multi-way valve; 4, oil hydraulic motor; 5, multi-functional Fill valve; T: fuel tank; A11: main pump output oil port; B11: pioneer pump output oil port; A21: the first oil outlet of lever operated valve; B21: the second oil outlet of lever operated valve; P21: the filler opening of lever operated valve; B32: flow is shared the first guide's hydraulic fluid port: a31 of multi-way valve: flow is shared second guide's hydraulic fluid port of multi-way valve; A3: flow is shared the first oil outlet of multi-way valve; B32: flow is shared the second oil outlet of multi-way valve; P32: flow is shared the filler opening of multi-way valve; The first hydraulic fluid port of A41 oil hydraulic motor; The first hydraulic fluid port of the multi-functional Fill valve of A51; The second hydraulic fluid port of B41 oil hydraulic motor; The second hydraulic fluid port of the multi-functional Fill valve of B51; The oil outlet of the multi-functional Fill valve of S; F51 the first spool; F52 the second spool; F3 the 3rd spool; F4 the 4th spool; F5 the 5th spool.
Embodiment
Below in conjunction with embodiment, illustrate the utility model.
Embodiment
As shown in Figure 1, for many torque hydraulics of rotary digging drill power head system architecture schematic diagram, described many torque hydraulics of rotary digging drill power head system, comprise pump group 1, described pump group 1 comprises motor, main pump and pioneer pump, main pump and pioneer pump connecting engine, main pump and pioneer pump have respectively main pump output oil port A11 and pioneer pump output oil port B11.The main pump output oil port A11 of pump group 1 shares the oil inlet P 32 of multi-way valve 3 by sebific duct connection traffic, the oil inlet P 21 of the pioneer pump output oil port B11 connecting handle operating valve 2 of pump group 1, the first oil outlet A21 of lever operated valve 2 and the second oil outlet B21 be first guide's hydraulic fluid port b32 and second guide's hydraulic fluid port a31 of the shared multi-way valve 3 of connection traffic respectively, flow is shared first the first hydraulic fluid port A41 of oil outlet A31 connecting fluid pressure motor 4 and the first hydraulic fluid port A51 of multi-functional Fill valve 5 of multi-way valve 3, flow is shared second the second hydraulic fluid port B41 of oil outlet B32 connecting fluid pressure motor 4 and the second hydraulic fluid port B51 of multi-functional Fill valve 5 of multi-way valve 3, the 3rd hydraulic fluid port S of multi-functional Fill valve 5 connects fuel tank T.Described flow is shared multi-way valve 3 for BOSCH-REXROTH LUDV control M7 valve.Described multi-functional Fill valve 5 comprises the first spool F51, the second spool F52, the 3rd spool F53 and the 4th spool F54, the first spool F51 and the second spool F52 are all connected the first hydraulic fluid port A51 and the second hydraulic fluid port B51 of multi-functional Fill valve 5, the second spool F52 connects the 3rd spool F53, the 3rd spool F53 connects the 4th spool F54, and the first spool F51 connects the 3rd hydraulic fluid port S of multi-functional Fill valve 5.
During use, operating grip operating valve 2, unit head forward when the second oil outlet B21 of lever operated valve 2 works, unit head reversion when the second oil outlet A21 of lever operated valve 2 works.The pressure setting of the second spool F52 of multi-functional Fill valve 5 is 320bar, and the 4th spool F54 setting pressure is 260bar, and the 3rd spool F53 is idle time, and the Maximum operating pressure of unit head system is 320bar, maximum output torque of power head; In the time of the 3rd spool F53 work, because the setting pressure 260bar of the 4th spool F54 is less than the setting pressure 320bar of the second spool F52, when the 3rd spool F53 and the 4th spool F54 work, the Maximum operating pressure of unit head system is 260bar, unit head is exported another moment of torsion,, can there is multiple systems maximum pressure in the rule of successively decreasing according to the discharge capacity of the second spool F52, the 3rd spool F53, the 4th spool F54, thereby occur multiple unit head output torque.In the time of the first spool F51 work, the second hydraulic fluid port B41 hydraulic fluid port repairing from fuel tank T to the first hydraulic fluid port A41 or the oil hydraulic motor of oil hydraulic motor, prevents that hydraulic pressure 4 motors from occurring inhaling empty.
The utility model adopts single pump work, BOSCH-REXROTH LUDV to control M7 valve as main hydraulic system, this system maximum service pressure is 320bar, known according to the output torque formula of oil hydraulic motor (output torque=effective working pressure * oil hydraulic motor discharge capacity/2 π), output torque and the system pressure of oil hydraulic motor are directly proportional, and by regulating system pressure, realize the multistage moment of torsion of unit head.
Claims (3)
1. many torque hydraulics of rotary digging drill power head system, it is characterized in that, comprise pump group (1), main pump output oil port (A11) connection traffic of pump group (1) is shared the filler opening (P32) of multi-way valve (3), the filler opening (P21) of pioneer pump output oil port (B11) the connecting handle operating valve (2) of pump group (1), first oil outlet (A21) of lever operated valve (2) and the second oil outlet (B21) be first guide's hydraulic fluid port (b32) and second guide's hydraulic fluid port (a31) of the shared multi-way valve (3) of connection traffic respectively, flow is shared first hydraulic fluid port (A41) of the first oil outlet (A31) connecting fluid pressure motor (4) and first hydraulic fluid port (A51) of multi-functional Fill valve (5) of multi-way valve (3), flow is shared second hydraulic fluid port (B41) of the second oil outlet (B32) connecting fluid pressure motor (4) and second hydraulic fluid port (B51) of multi-functional Fill valve (5) of multi-way valve (3), the 3rd hydraulic fluid port (S) of multi-functional Fill valve (5) connects fuel tank (T).
2. many torque hydraulics of rotary digging drill power head system as claimed in claim 1, it is characterized in that, described pump group (1) comprises motor, main pump and pioneer pump, main pump and pioneer pump connecting engine, main pump and pioneer pump have respectively main pump output oil port (A11) and pioneer pump output oil port (B11).
3. many torque hydraulics of rotary digging drill power head system as claimed in claim 1, it is characterized in that, described multi-functional Fill valve (5) comprises the first spool (F51), the second spool (F52), the 3rd spool (F53) and the 4th spool (F54), the first spool (F51) and the second spool (F52) are all connected the first hydraulic fluid port (A51) and second hydraulic fluid port (B51) of multi-functional Fill valve (5), the second spool (F52) connects the 3rd spool (F53), the 3rd spool (F53) connects the 4th spool (F54), the first spool (F51) connects the 3rd hydraulic fluid port (S) of multi-functional Fill valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033978.3U CN203743100U (en) | 2014-01-20 | 2014-01-20 | Multi-torque hydraulic system for power head of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033978.3U CN203743100U (en) | 2014-01-20 | 2014-01-20 | Multi-torque hydraulic system for power head of rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743100U true CN203743100U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033978.3U Expired - Fee Related CN203743100U (en) | 2014-01-20 | 2014-01-20 | Multi-torque hydraulic system for power head of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545536A (en) * | 2015-09-21 | 2017-03-29 | 徐工集团工程机械股份有限公司 | Slow supply oil valve, slow supply oil system and deep drilling rig |
| CN111980978A (en) * | 2020-08-14 | 2020-11-24 | 徐州徐工基础工程机械有限公司 | Torque control hydraulic system based on push-pull speed of power head |
-
2014
- 2014-01-20 CN CN201420033978.3U patent/CN203743100U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545536A (en) * | 2015-09-21 | 2017-03-29 | 徐工集团工程机械股份有限公司 | Slow supply oil valve, slow supply oil system and deep drilling rig |
| CN111980978A (en) * | 2020-08-14 | 2020-11-24 | 徐州徐工基础工程机械有限公司 | Torque control hydraulic system based on push-pull speed of power head |
| CN111980978B (en) * | 2020-08-14 | 2023-04-11 | 徐州徐工基础工程机械有限公司 | Torque control hydraulic system based on push-pull speed of power head |
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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: 20140730 Termination date: 20170120 |