CN207636220U - A kind of test of rotary drilling rig power match power test valve block and test device - Google Patents
A kind of test of rotary drilling rig power match power test valve block and test device Download PDFInfo
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- CN207636220U CN207636220U CN201721918021.7U CN201721918021U CN207636220U CN 207636220 U CN207636220 U CN 207636220U CN 201721918021 U CN201721918021 U CN 201721918021U CN 207636220 U CN207636220 U CN 207636220U
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 239000003921 oil Substances 0.000 claims description 84
- 239000010720 hydraulic oil Substances 0.000 claims description 40
- 239000000446 fuel Substances 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 11
- 238000005086 pumping Methods 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of rotary drilling rig power match test power test valve blocks, including pilot valve, stop valve, flowmeter and pressure sensor；Stop valve includes the first stop valve and the second stop valve；Pressure sensor includes first pressure sensor and second pressure sensor；Flowmeter includes first flowmeter and second flowmeter.The utility model discloses a kind of rotary drilling rig power match test devices, include the power test valve block of pioneer pump, overflow valve, main pump, reversal valve, power head motor sum；Reversal valve includes the first reversal valve and the second reversal valve；Overflow valve includes the first overflow valve, the second overflow valve and third overflow valve；Main pump includes the first main pump and the second main pump.The utility model is simple in structure, and testing cost is low, and easy to use, provides foundation for the absorbed power of pump and the output power adjustment of engine, to reach the matched well of pump absorbed power and engine output, ensures the fuel economy of rotary drilling rig.
Description
Technical field
The utility model is related to a kind of test of rotary drilling rig power match power test valve block and test devices.
Background technology
Rotary drilling rig is big with output torque, penetration rate is fast, flexibly operate well, hole quality height, facilitates collocation a variety of
Many advantages, such as boring bar tool.Rotary drilling rig is a kind of pile foundation construction machinery of full hydraulic drive, and all executing agencies are all
It is to be driven by hydraulic system, and hydraulic system is to absorb the output power of engine, the suction of general rotary drilling rig hydraulic system
85% or so of engine gross output should be reached by receiving power, only when the absorbed power of hydraulic system and engine output work
Rate reaches matched well, could improve the fuel economy of rotary drilling rig, otherwise the fuel efficiency of engine can be caused not high, liquid
Pressure system cannot make full use of the output power of engine, not only waste of energy, while can also reduce the use longevity of rotary drilling rig
Life.Therefore power matching system is added in rotary drilling rig design process in each rotary digging producer, in the effect of power matching system
It is lower to ensure that the absorbed power of hydraulic system reaches matched well with engine output.Such as patent No. 201510697145.61.
Disclosed one kind being based on the matched rotary drilling rig control system of global power, and the rotary drilling rig control system includes drilling tool, with
The drilling rod of the drilling tool connection, the power head being connect with the drilling rod, the fluid power system being connect with the power head are described
Fluid power system includes the hydraulic motor being connect with the power head, the hydraulic valve being connect with the hydraulic motor, and described
The hydraulic pump of hydraulic valve connection, and the engine that connect with the hydraulic pump, the rotary drilling rig control system further include and
The pressure sensor of the hydraulic pump connection, the outlet pressure for obtaining the hydraulic pump；What is be connected with the engine turns
Fast sensor, the actual speed for obtaining the engine；The throttle position switch being connect with the throttle of the engine,
Throttle position for obtaining the engine；The throttle position controller being connect with the throttle position switch, for pair
The throttle position of the engine is adjusted, with the engine, the speed probe, the pressure sensor and described
The rotational speed governor that throttle position switch is separately connected, for the actual speed by controlling accelerator open degree to the engine
It is adjusted, so that the output power of the engine and the absorbed power of the hydraulic pump match.However each rotary digging factory
Family is both needed to test power match performance before rotary drilling rig manufacture, its engine is defeated when ensuring rotary drilling rig manufacture
The absorbed power matched well for going out power and hydraulic system ensures rotation to ensure fuel economy when rotary drilling rig manufacture
Dig the service life of drilling machine.But it is currently used for the device of rotary drilling rig power match performance test, complicated, testing cost
Height, and it is inconvenient to use.
Utility model content
The purpose of this utility model, which is that, has overcome the deficiencies of the prior art and provide a kind of rotary drilling rig power match survey
Power test valve block and test device on probation, the utility model is simple in structure, and testing cost is low, and easy to use, for the suction of pump
The output power adjustment for receiving power and engine provides foundation, to reach the good of pump absorbed power and engine output
Matching, ensures the fuel economy of rotary drilling rig, improves the service life of rotary drilling rig.
To achieve the goals above, the utility model provides a kind of rotary drilling rig power match test power test valve
Block, including pilot valve, stop valve, flowmeter and pressure sensor；The stop valve includes the first stop valve and the second stop valve；
The pressure sensor includes first pressure sensor and second pressure sensor；The flowmeter includes first flowmeter and
Two flowmeters；
The power test valve block has control mouth, the first oil inlet, the second oil inlet, third oil inlet, the 4th oil inlet
Mouth, the first oil outlet and the second oil outlet；
The control mouth is connected with the entrance of the pilot valve, and the outlet of the pilot valve is cut off with described first respectively
The pilot port of valve is connected with the pilot port of the second stop valve；
First oil inlet is connected by the entrance of the first flowmeter, the outlet of the first flowmeter and institute
The first oil outlet is stated to be connected；
Second oil inlet is connected with the entrance of first stop valve, the outlet of first stop valve with it is described
Second oil outlet is connected；
The third oil inlet is connected with the entrance of second stop valve, the outlet of second stop valve with it is described
First oil outlet is connected；
4th oil inlet is connected with the entrance of the second flowmeter, the outlet of the second flowmeter with it is described
Second oil outlet is connected；
The outlet of the first flowmeter and the outlet of the second stop valve are connected with the first pressure sensor；
The outlet of the second flowmeter and the outlet of the first stop valve are connected with the second pressure sensor.
The utility model provides a kind of rotary drilling rig power match test device, including pioneer pump, overflow valve, main pump,
Reversal valve, power head motor and the power test valve block；The reversal valve includes the first reversal valve and the second reversal valve；Institute
It includes the first overflow valve, the second overflow valve and third overflow valve to state overflow valve；The main pump includes the first main pump and the second main pump；
The hydraulic oil outlet of the pioneer pump is connected with the control mouth, the hydraulic oil outlet of the pioneer pump with it is described
Third overflow valve is connected；
The hydraulic oil outlet of first main pump is connected with the oil inlet of first reversal valve, first reversal valve
The first actuator port be connected with first oil inlet, the second actuator port of first reversal valve with described second into
Hydraulic fluid port is connected；Described first is concatenated between the hydraulic oil outlet of first main pump and the oil inlet of first reversal valve to overflow
Flow valve；
The hydraulic oil outlet of second main pump is connected with the oil inlet of second reversal valve, second reversal valve
The first actuator port be connected with the third oil inlet, the second actuator port of second reversal valve with the described 4th into
Hydraulic fluid port is connected；Described second is concatenated between the hydraulic oil outlet of second main pump and the oil inlet of second reversal valve to overflow
Flow valve；
First oil outlet is connected with the first actuator port of the power head motor；Second oil outlet and institute
The second actuator port for stating power head motor is connected.
The utility model additionally provides a kind of test method of rotary drilling rig power matching apparatus, includes the following steps：
Step S1：It operating the first reversal valve and rotates forward guide, the first reversal valve of driving works in left position, and the of the first reversal valve
One actuator port is fuel-displaced, the second actuator port oil return；The second reversal valve reversion guide is operated, the second reversal valve of driving works in the right side
Position, the second actuator port of the second reversal valve is fuel-displaced, the first actuator port oil return；Operated pilot valve commutates, and pilot valve is made to work
In bottom；Pioneer pump output hydraulic pressure oil makes the first stop valve and second cut to drive the first stop valve and the second stop valve to commutate
Disconnected valve works in left position, and the first stop valve has cut off the oil return circuit of first the second actuator port of reversal valve, and the second stop valve is cut
Broken the oil return circuit of second the first actuator port of reversal valve；
Step S2：When the absorbed power of the first main pump need to be measured, the first overflow valve is adjusted to system maximum set value,
And remain unchanged, while the pressure value of the second overflow valve is constantly adjusted, make the pressure value of the second overflow valve less than system maximum
It is adjusted between setting value；The of oil inlet of the hydraulic oil successively through the first reversal valve of first main pump output, the first reversal valve
The first actuator port of power head motor, while first are delivered to after one actuator port, first flowmeter, first pressure sensor
Main pump overcomes the pressure value of the second overflow valve of the second main pump Opposite side loading to rotate forward, and the first main pump is input in power head motor
Through the second overflow valve overflow after hydraulic oil driving power head motor rotating forward, and the hydraulic oil of the second main pump output is also from the second overflow
The direct overflow of valve, at this time first flowmeter measure the flow Q1 of the hydraulic oil of the first main pump output, first pressure sensor measures
The load pressure P1, at this time absorbed power W1=Q1 × P1 of the first main pump of the hydraulic oil of first main pump output；
When the absorbed power of the second main pump need to be measured, the second overflow valve is adjusted to system maximum set value, and keep
It is constant, while the pressure value of the first overflow valve is constantly adjusted, make the pressure value of the first overflow valve less than system maximum set value
Between be adjusted；Second work of oil inlet, second reversal valve of the hydraulic oil of the second main pump output successively through the second reversal valve
The second actuator port of power head motor, while the second main pump gram are delivered to after hydraulic fluid port, second flowmeter, second pressure sensor
The pressure value for taking the first overflow valve of the first main pump Opposite side loading rotates forward, and the second main pump is input to the hydraulic oil in power head motor
Through the first overflow valve overflow after driving power head motor to invert, and the hydraulic oil of the first main pump output is also direct from the first overflow valve
Overflow, at this time second flowmeter measure the flow Q2 of the hydraulic oil of the second main pump output, second pressure sensor measures the second master
The load pressure P2 of the hydraulic oil of output is pumped, at this time absorbed power W2=Q2 × P2 of the second main pump；
Step S3：By the absorbed power W2 of the absorbed power W1 of the first main pump and the second main pump and engine output ratio
Compared with, if ratio does not reach the predetermined value under the loading condition, pass through pumping receive PCU Power Conditioning Unit adjustment pump absorption
Power, or the output power of engine is adjusted, to reach the matched well of the absorbed power of pump and the output power of engine.
Compared with prior art, the beneficial effects of the utility model：The utility model passes through in rotary digging drill power head liquid
It presses and connects power test valve block in drive system, by flowmeter and pressure sensor energy on-line determination and read drill head system
The flow and load pressure of hydraulic oil, and the adjusting of the commutation and overflow valve pressure by stop valve and using reversal valve, are realized
Opposite side loading, and then obtain absorbed power of the hydraulic system main pump under certain loading condition, by the absorbed power and engine
Output power compare, you can engine power utilization rate is obtained, for the absorbed power of pump and the output power tune of engine
Whole offer foundation, to receive the absorbed power of PCU Power Conditioning Unit adjustment pump, or the output power of adjustment engine by pumping,
Reach the matched well of pump absorbed power and engine output, ensures the fuel economy of rotary drilling rig, improve rotary digging
The service life of drilling machine.The power test valve block of the utility model is circumscribed entirety valve block simultaneously, by power test when test
Valve block is connected with fluid power system, i.e. dismountable after the completion of test, simple in structure, easy to use, while the utility model
Pioneer pump, overflow valve, main pump, reversal valve and the power head motor that test device includes are rotary drilling rig fluid power system
On original part, thus greatly reduce the testing cost of rotary drilling rig power match performance test.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the hydraulic schematic diagram of power test valve block in the utility model embodiment.
Fig. 2 is the hydraulic schematic diagram of test device in the utility model embodiment.
Specific implementation mode
Utility model is further illustrated below in conjunction with the accompanying drawings, but is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, a kind of rotary drilling rig power match test power test valve block provided by the utility model, including
Pilot valve 101, stop valve, flowmeter and pressure sensor；The stop valve includes the first stop valve 103 and the second stop valve
104；The pressure sensor includes first pressure sensor 107 and second pressure sensor 106；The flowmeter includes first
Flowmeter 102 and second flowmeter 105；
The power test valve block 1 have control mouth Z, the first oil inlet V1, the second oil inlet V2, third oil inlet V3,
4th oil inlet V4, the first oil outlet C1 and the second oil outlet C2；
The control mouth Z is connected with the entrance of the pilot valve 101, the outlet of the pilot valve 101 respectively with it is described
The pilot port of first stop valve 103 is connected with the pilot port of the second stop valve 104；
The first oil inlet V1 is connected by the entrance of the first flowmeter 102, the first flowmeter 102
Outlet is connected with the first oil outlet C1；
The second oil inlet V2 is connected with the entrance of first stop valve 103, and first stop valve 103 goes out
Mouth is connected with the second oil outlet C2；
The third oil inlet V3 is connected with the entrance of second stop valve 104, and second stop valve 104 goes out
Mouth is connected with the first oil outlet C1；
The 4th oil inlet V4 is connected with the entrance of the second flowmeter 105, and the second flowmeter 105 goes out
Mouth is connected with the second oil outlet C2；
The first flowmeter 102 outlet and the second stop valve 104 outlet with the first pressure sensor 107
It is connected；
The second flowmeter 105 outlet and the first stop valve 103 outlet with the second pressure sensor 106
It is connected.
As shown in Fig. 2, a kind of rotary drilling rig power match test device provided by the utility model, including pioneer pump 3, overflow
Flow valve, main pump, reversal valve, power head motor 2 and power test valve block 1 described in claim 1；The reversal valve includes first
Reversal valve 6 and the second reversal valve 9；The overflow valve includes the first overflow valve 4, the second overflow valve 7 and third overflow valve 10；It is described
Main pump includes the first main pump 5 and the second main pump 8；
The hydraulic oil outlet of the pioneer pump 3 is connected with the control mouth Z, the hydraulic oil outlet of the pioneer pump 3 with
The third overflow valve 10 is connected；
The hydraulic oil outlet of first main pump 5 is connected with the oil inlet D1 of first reversal valve 6, and described first changes
It is connected to the first actuator port A1 of valve 6 with the first oil inlet V1, the second actuator port B1 of first reversal valve 6
It is connected with the second oil inlet V2；The oil inlet D1 of the hydraulic oil outlet of first main pump 5 and first reversal valve 6
Between concatenate first overflow valve 4；
The hydraulic oil outlet of second main pump 8 is connected with the oil inlet D2 of second reversal valve 9, and described second changes
It is connected to the first actuator port A2 of valve 9 with the third oil inlet V3, the second actuator port B2 of second reversal valve 9
It is connected with the 4th oil inlet V4；The oil inlet D2 of the hydraulic oil outlet of second main pump 8 and second reversal valve 9
Between concatenate second overflow valve 7；
The first oil outlet C1 is connected with the first actuator port A of the power head motor 2；Second oil outlet
C2 is connected with the second actuator port B of the power head motor 2.
The utility model additionally provides a kind of test method of rotary drilling rig power matching apparatus, includes the following steps：
Step S1：It operates the first reversal valve 6 and rotates forward guide, the first reversal valve 6 of driving works in left position, the first reversal valve 6
The first actuator port A1 it is fuel-displaced, the second actuator port B1 oil returns；Operate the second reversal valve 9 reversion guide, the second commutation of driving
Valve 9 works in right position, and the second actuator port B2 of the second reversal valve 9 is fuel-displaced, the first actuator port A2 oil returns；Operated pilot valve
101 commutations, make pilot valve 101 work in bottom；3 output hydraulic pressure oil of pioneer pump is to drive the first stop valve 103 and second to cut off
Valve 104 commutates, and so that the first stop valve 103 and the second stop valve 104 is worked in left position, the first stop valve 103 has cut off first and changed
To the oil return circuit of 6 second actuator port B1 of valve, the second stop valve 107 has cut off 9 first actuator port A2's of the second reversal valve
Oil return circuit；
Step S2：When the absorbed power of the first main pump 5 need to be measured, the first overflow valve 4 is adjusted to the setting of system maximum
Value, and remain unchanged, while the pressure value of the second overflow valve 7 is constantly adjusted, make the pressure value of the second overflow valve 7 less than system
It is adjusted between maximum set value；Oil inlet D1 of the hydraulic oil successively through the first reversal valve 6 of first main pump 5 output, first are changed
The of power head motor 2 is delivered to after to the first actuator port A1 of valve 6, first flowmeter 102, first pressure sensor 107
One actuator port A, while the first main pump 5 overcomes the pressure value of the second overflow valve 7 of 8 Opposite side loading of the second main pump to rotate forward, first
Main pump 5 is input to after the driving power head motor 2 of the hydraulic oil in power head motor 2 rotates forward through 7 overflow of the second overflow valve, and second
The hydraulic oil that main pump 8 exports is also from the 7 direct overflow of the second overflow valve, and first flowmeter 102 measures the output of the first main pump 5 at this time
The flow Q1 of hydraulic oil, first pressure sensor 107 measure the load pressure P1 of the hydraulic oil of the first main pump 5 output, and at this time the
Absorbed power W1=Q1 × P1 of one main pump 5；
When the absorbed power of the second main pump 9 need to be measured, the second overflow valve 7 is adjusted to system maximum set value, and protect
Pressure value that is constant, while constantly adjusting the first overflow valve 4 is held, the pressure value of the first overflow valve 4 is made to be set less than system maximum
It is adjusted between definite value；Oil inlet D2 of the hydraulic oil successively through the second reversal valve 9 of second main pump 8 output, the second reversal valve 9
The second working oil of power head motor 2 is delivered to after second actuator port B2, second flowmeter 105, second pressure sensor 106
Mouth B, while the second main pump 8 overcomes the pressure value of the first overflow valve 4 of 5 Opposite side loading of the first main pump to rotate forward, the input of the second main pump 8
Through 4 overflow of the first overflow valve after the hydraulic oil driving reversion of power head motor 2 in power head motor 2, and the first main pump 5 exports
Hydraulic oil also from the 4 direct overflow of the first overflow valve, second flowmeter 105 measures the hydraulic oil of the second main pump 8 output at this time
Flow Q2, second pressure sensor 106 measure the load pressure P2 of the hydraulic oil of the second main pump 8 output, at this time second main pump 8
Absorbed power W2=Q2 × P2；
Step S3：By the absorbed power W2 and engine output of the absorbed power W1 of the first main pump 5 and the second main pump 8
Compare, if ratio does not reach the predetermined value under the loading condition, the suction of PCU Power Conditioning Unit adjustment pump is received by pumping
Power, or the output power of adjustment engine are received, to reach good of the absorbed power of pump and the output power of engine
Match.
The utility model passes through stream by connecting power test valve block 1 in rotary digging drill power head fluid power system
Gauge and pressure sensor energy on-line determination and the flow and load pressure for reading drill head system hydraulic oil, and pass through stop valve
And the adjusting of the commutation and overflow valve pressure using reversal valve, realize Opposite side loading, and then obtain hydraulic system main pump certain
Absorbed power under loading condition, by the absorbed power compared with the output power of engine, you can obtain engine power profit
With rate, foundation is provided for the absorbed power of pump and the output power adjustment of engine, to receive PCU Power Conditioning Unit by pumping
The absorbed power of pump, or the output power of adjustment engine are adjusted, to reach pump absorbed power and engine output
Matched well ensures the fuel economy of rotary drilling rig, improves the service life of rotary drilling rig.Wherein pumping receives power regulation dress
The original device being set in fluid power system.The power test valve block 1 of the utility model is circumscribed entirety valve block simultaneously, is surveyed
Power test valve block is connected with fluid power system when examination, it is i.e. dismountable after the completion of test, it is simple in structure, it is easy to use,
Pioneer pump 3, overflow valve, main pump, reversal valve and the power head motor 2 that the utility model test device includes simultaneously are rotary digging
Original part in drilling machine fluid power system, thus greatly reduce the test of rotary drilling rig power match performance test at
This.
In the present embodiment, pilot valve 101 is two-bit triplet or two four-way hand-operated direction valves；Stop valve is patrolled for 2/2-way
Collect valve；Main pump is variable pump；Reversal valve is three six-way transfer valves, and power head motor 2 is variable displacement motor；Pioneer pump 3 is gear
Pump；Overflow valve is direct-acting overflow valve.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (2)
1. a kind of rotary drilling rig power match test power test valve block, which is characterized in that including pilot valve (101), cut-out
Valve, flowmeter and pressure sensor；The stop valve includes the first stop valve (103) and the second stop valve (104)；The pressure
Sensor includes first pressure sensor (107) and second pressure sensor (106)；The flowmeter includes first flowmeter
(102) and second flowmeter (105)；
The power test valve block (1) has control mouth (Z), the first oil inlet (V1), the second oil inlet (V2), third oil inlet
(V3), the 4th oil inlet (V4), the first oil outlet (C1) and the second oil outlet (C2)；
The control mouth (Z) is connected with the entrance of the pilot valve (101), the outlet of the pilot valve (101) respectively with institute
The pilot port for stating the first stop valve (103) is connected with the pilot port of the second stop valve (104)；
First oil inlet (V1) is connected by the entrance of the first flowmeter (102), the first flowmeter (102)
Outlet be connected with first oil outlet (C1)；
Second oil inlet (V2) is connected with the entrance of first stop valve (103), first stop valve (103)
Outlet is connected with second oil outlet (C2)；
The third oil inlet (V3) is connected with the entrance of second stop valve (104), second stop valve (104)
Outlet is connected with first oil outlet (C1)；
4th oil inlet (V4) is connected with the entrance of the second flowmeter (105), the second flowmeter (105)
Outlet is connected with second oil outlet (C2)；
The outlet of the first flowmeter (102) and the outlet of the second stop valve (104) with the first pressure sensor
(107) it is connected；
The outlet of the second flowmeter (105) and the outlet of the first stop valve (103) with the second pressure sensor
(106) it is connected.
2. a kind of rotary drilling rig power match test device, which is characterized in that including pioneer pump (3), overflow valve, main pump, commutation
Valve, power head motor (2) and power test valve block described in claim 1 (1)；The reversal valve includes the first reversal valve (6)
With the second reversal valve (9)；The overflow valve includes the first overflow valve (4), the second overflow valve (7) and third overflow valve (10)；Institute
It includes the first main pump (5) and the second main pump (8) to state main pump；
The hydraulic oil outlet of the pioneer pump (3) is connected with the control mouth (Z), the hydraulic oil outlet of the pioneer pump (3)
It is connected with the third overflow valve (10)；
The hydraulic oil outlet of first main pump (5) is connected with the oil inlet (D1) of first reversal valve (6), and described first
The first actuator port (A1) of reversal valve (6) is connected with first oil inlet (V1), and the second of first reversal valve (6)
Actuator port (B1) is connected with second oil inlet (V2)；The hydraulic oil outlet and described first of first main pump (5)
First overflow valve (4) is concatenated between the oil inlet (D1) of reversal valve (6)；
The hydraulic oil outlet of second main pump (8) is connected with the oil inlet (D2) of second reversal valve (9), and described second
The first actuator port (A2) of reversal valve (9) is connected with the third oil inlet (V3), and the second of second reversal valve (9)
Actuator port (B2) is connected with the 4th oil inlet (V4)；The hydraulic oil outlet and described second of second main pump (8)
Second overflow valve (7) is concatenated between the oil inlet (D2) of reversal valve (9)；
First oil outlet (C1) is connected with the first actuator port (A) of the power head motor (2)；Described second is fuel-displaced
Mouth (C2) is connected with the second actuator port (B) of the power head motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918021.7U CN207636220U (en) | 2017-12-29 | 2017-12-29 | A kind of test of rotary drilling rig power match power test valve block and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918021.7U CN207636220U (en) | 2017-12-29 | 2017-12-29 | A kind of test of rotary drilling rig power match power test valve block and test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636220U true CN207636220U (en) | 2018-07-20 |
Family
ID=62851553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918021.7U Withdrawn - After Issue CN207636220U (en) | 2017-12-29 | 2017-12-29 | A kind of test of rotary drilling rig power match power test valve block and test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207636220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991008A (en) * | 2017-12-29 | 2018-05-04 | 恒天九五重工有限公司 | Power test valve block, test device and test method are used in a kind of rotary drilling rig power match test |
-
2017
- 2017-12-29 CN CN201721918021.7U patent/CN207636220U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991008A (en) * | 2017-12-29 | 2018-05-04 | 恒天九五重工有限公司 | Power test valve block, test device and test method are used in a kind of rotary drilling rig power match test |
| CN107991008B (en) * | 2017-12-29 | 2024-03-19 | 恒天九五重工有限公司 | Power test valve block, test device and test method for power matching test of rotary drilling rig |
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