CN106870516A - A kind of HTHP rheometer fluid pressure type axle pressure generating apparatus and its application method - Google Patents
A kind of HTHP rheometer fluid pressure type axle pressure generating apparatus and its application method Download PDFInfo
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- CN106870516A CN106870516A CN201710193214.9A CN201710193214A CN106870516A CN 106870516 A CN106870516 A CN 106870516A CN 201710193214 A CN201710193214 A CN 201710193214A CN 106870516 A CN106870516 A CN 106870516A
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- plunger case
- cylinder
- oil
- hydraulic valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Abstract
The invention discloses a kind of HTHP rheometer fluid pressure type axle pressure generating apparatus and its application method, it includes fuel tank, oil pump, plunger case, pressurizing cylinder, controller, the input channel of the oil pump is connected with fuel tank, output channel is connected to three oil circuits, first oil circuit is connected by drain line with fuel tank, Article 2 oil circuit is connected with the oil inlet of plunger case, Article 3 oil circuit is connected with the rodless cavity of pressurized cylinder, detecting element is configured with the two ends of pressurizing cylinder, the tailpiece of the piston rod of the pressurized cylinder and the depression bar phase configuration of HTHP rheometer, the tailpiece of the piston rod of the plunger case is driven by plunger case drive device, the cylinder diameter of the pressurized cylinder is bigger than the cylinder diameter of plunger case, it is poor to there is ratio in both, the controller is connected with detecting element and plunger case drive device respectively.The present invention realizes that the Quick-pressing of axle pressure, low speed feeding, accurate pressurize, ftercompction and return work by the various combination of finite element, and whole process operates steadily, and noise is small.
Description
Technical field
The present invention relates to a kind of high-pressure experimental study field, more particularly to HTHP rheometer fluid pressure type axle pressure
Generating means and its application method, both can be applied to laboratory ultra high pressure experimental study, it can also be used to geoscience research,
The ultra high pressure equipment of each technical fields such as Aero-Space, shipping industry, material shaping, petrochemical industry.
Background technology
The development of hydraulic technique and TT＆C system causes that ultrahigh-pressure hydraulic studies application and obtains made rapid progress.High temperature and high pressure flow
It is advanced laboratory apparatus during Earth is probed into become instrument, the reliability of result of study be heavily dependent on confined pressure pressure,
Axial strain and the control accuracy of heating system.Rheometer is by controlling the translational speed and extruding force size of deformation plunger come mould
Intend axial hyperbaric environment, carry out rheology research.When carrying out deformation experiment, the speed of rheology is 10-2~10-7/ s, it is desirable to
Axial strain movement velocity is low and wide ranges, while precision will height.In conventional HTHP rheology equipment, confined pressure system
Hydraulic drive is had evolved into, the transmission of axle pressure is still more based on the traditional form of " motor+decelerator+ball-screw ".While by
It is indefinite in motor low-speed performance, often ensured to small feeding using multistage speed reducing ratio decelerator series connection high in machine driving
Control.And find in actual applications, the noise that this multi-stage mechanical transmission is produced can be to sound wave, vibration detection in rheological experiment
A certain degree of interference is produced, therefore it is meaningful to carry out fluid pressure type transformation to rheometer axle pressure system based on superhigh pressure technique
's.
In rheometer axle hydraulic fluid pressure type transformation process is realized, it is that key is asked that how precise control axle forces down speed feeding
Topic, this is just related to how to control small inlet flow rate, especially in ultra high pressure stage.The high-speed switch response valve speed of in the market
Degree is relatively slow, does not reach the switching frequency of requirement, it is impossible to meet experiment demand.
The content of the invention
The technical problems to be solved by the invention are that the not enough one kind that provides existed for above-mentioned prior art is capable of achieving
Low pressure Quick-pressing, the HTHP rheometer of super-pressure low rate feeding are with fluid pressure type axle pressure generating apparatus and its user
Method.
The technical solution adopted in the present invention is：A kind of HTHP rheometer fluid pressure type axle pressure generating apparatus, its bag
Fuel tank, oil pump, plunger case, pressurizing cylinder, controller are included, the input channel of the oil pump is connected with fuel tank, output channel difference
Three oil circuits are connected with, first oil circuit is connected by drain line with fuel tank, the oil inlet phase of Article 2 oil circuit and plunger case
Even, Article 3 oil circuit is connected with the rodless cavity of pressurized cylinder, and detecting element is configured with the two ends of pressurizing cylinder, the pressurized cylinder
The depression bar phase configuration of tailpiece of the piston rod and HTHP rheometer, the tailpiece of the piston rod of the plunger case is driven by plunger case drive device
Dynamic, the cylinder diameter of the pressurized cylinder is smaller than the cylinder diameter of plunger case, and it is poor that both have a ratio, the controller respectively with detecting element and
Plunger case drive device is connected.
By above-mentioned technical proposal, the first hydraulic valve is installed on the output pipe of oil pump, in the entrance of Article 2 oil circuit
The second hydraulic valve is provided with, the 3rd hydraulic valve is provided with the entrance of Article 3 oil circuit.
By above-mentioned technical proposal, the drain line includes automatically controlled servo valve and manual overflow valve, after both are parallel with one another
It is connected with fuel tank.
By above-mentioned technical proposal, the plunger case drive device includes the second servomotor, the output of the second servomotor
Axle is connected by transmission mechanism with the tailpiece of the piston rod of plunger case, and the piston rod for driving plunger case does linear reciprocating motion.
By above-mentioned technical proposal, the oil pump is worked by the first servo motor driven oil pump.
By above-mentioned technical proposal, the plunger case is single-piston formula hydraulic cylinder, and one is respectively arranged at two ends with plunger case
Limit switch, when its plunger rod contacts is to one of limit switch, the second servomotor can be automatically stopped work.
By above-mentioned technical proposal, the detecting element includes displacement transducer and pressure sensor.
By above-mentioned technical proposal, first hydraulic valve, the second hydraulic valve and the 3rd hydraulic valve are hand-operated hydraulic valve.
By above-mentioned technical proposal, the cylinder diameter ratio of the plunger case and pressurized cylinder is：1:8~1:12.
A kind of HTHP rheometer application method of fluid pressure type axle pressure generating apparatus, it is characterised in that：Including as follows
Step：
S1, offer HTHP rheometer fluid pressure type axle pressure generating apparatus as described above；
S2, axial initial stage pressurization steps are carried out, specially：First, second, third hydraulic valve is opened, starts the first servo
Motor drives oil pump that hydraulic oil is reached into the first hydraulic valve, and the hydraulic oil with pressure is respectively through Article 2 oil circuit and the 3rd
Pressurizing cylinder and plunger case are had respectively entered after bar oil circuit；
S3, rheological experiment step is carried out, specially：When axial low speed feeds, the first liquid closed on oil pump output pipe
Pressure valve, and the 3rd hydraulic valve on the second hydraulic valve and Article 3 oil circuit on Article 2 oil circuit is opened, start the second servo electricity
Machine, constantly advances in the piston of the drive lower prop plug cylinder of the second servomotor to rodless cavity, and fluid enters after Article 3 oil circuit
Pressurizing cylinder, while Real-time Feedback pressure sensor and the numerical value of position sensor, closed-loop control is carried out to the second servomotor
System, slowly pressurize the automatic pressure-maintaining after reaching target；
S4, ftercompction step is carried out, specially：Automatically controlled servo valve and manual overflow valve are adjusted, is closed on Article 3 oil circuit
3rd hydraulic valve, opens first, second hydraulic valve, and starting oil pump and the second servomotor carries out ftercompction work to plunger case, mends
Plunger case can continue to carry out pressurizing cylinder pressurize and feeding task after the completion of pressure；
S5, carry out return low speed and move back pressure step, close the first hydraulic valve, open second, third hydraulic valve, start second and watch
Take motor to be inverted at a slow speed, drive piston rod to retreat realization and move back pressure work, so as to drive pressurizing cylinder piston to retreat, realize pressure
Bar is separated with sample；
S6, when move back be pressed onto in the range of safe pressure when, close the second hydraulic valve, it is quick by controlling automatically controlled servo valve to realize
Move back pressure.
Operation principle of the invention is：The present invention by the way that plunger case hydraulic cylinder is anticaustic, by transmission mechanism and piston rod
Connection the gyration of the second servomotor is converted into linear motion, the feeding of propulsion plunger case liquid is so as to realize to supercharging
The supply of cylinder fluid；Simultaneously by pressurizing cylinder cylinder diameter much larger than plunger case cylinder diameter design, can solve transmission in feed it is small
And the second servomotor rotating speed can not be too small contradiction, rationally two cylinder diameter ratios of hydraulic cylinder of design can effectively reach it is super
The precise control of oil cylinder piston small feeding is realized while axle pressure request high by transformational relation.
Having the beneficial effect that acquired by the present invention：
1st, the present invention realizes the Quick-pressing of axle pressure, low speed feeding, accurate pressurize, benefit by the various combination of finite element
Pressure and return work, whole process operate steadily, and noise is small.
2nd, the present apparatus is realized to super-pressure pressure using the low-pressure side of servomotor, servo valve, plunger case control pressurizing cylinder
The control of power, system is conventional Hydraulic Elements, easily buying, and the manufacturing cycle is short, low cost.
3rd, the present apparatus use the fluid pressure type kind of drive, can effectively realize the precise control of large and small flow, with pressurize into
To, holding pressure control, ftercompction, return function, axial rheological experiment requirement can be reached, solve to be disturbed present in machine driving and ask
Topic, operate steadily reliability, and the device can be used for needing the metallurgy of super-pressure, material shaping etc. as test research device
Other occasions.
Brief description of the drawings
The schematic diagram of the HTHP rheometer fluid pressure type axle pressure generating apparatus that Fig. 1 is provided for the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, present embodiments providing a kind of HTHP rheometer fluid pressure type axle pressure generating apparatus, it includes
Fuel tank 1, filter 2, oil pump 3, check valve 5, plunger case 13, pressurizing cylinder 11, controller.The oil pump 3 passes through the first servo
Motor 4 drives operation of oil pump, the input channel of the oil pump 3 to be connected with fuel tank 1 by filter 2, and output channel is connected respectively
There are three oil circuits, first oil circuit is connected by drain line with fuel tank, and Article 2 oil circuit is connected with the oil inlet of plunger case 13,
Article 3 oil circuit is connected with the rodless cavity of pressurized cylinder 11, and detecting element 10, the supercharging are configured with the two ends of pressurizing cylinder 11
The tailpiece of the piston rod of cylinder 11 and the depression bar phase configuration of HTHP rheometer, the tailpiece of the piston rod of the plunger case 13 are driven by plunger case
Dynamic device drives, and the cylinder diameter of the plunger case is smaller than the cylinder diameter of pressurized cylinder, and both have ratio preferably 1:10, the controller point
It is not connected with detecting element 10 and plunger case drive device, wherein, the detecting element 10 includes that displacement transducer and pressure are passed
Sensor.
In the present embodiment, the first hydraulic valve 6 is installed on the output pipe of oil pump 3, is set in the entrance of Article 2 oil circuit
There is the second hydraulic valve 12, the 3rd hydraulic valve 9 is provided with the entrance of Article 3 oil circuit, in the present embodiment, first hydraulic valve 6,
Second hydraulic valve 12 and the 3rd hydraulic valve 9 are ultra-high-pressure hand hydraulic valve.Pressurizing cylinder 11 is extra high pressure charging oil cylinder (existing
High pressure end pressure is up to 120MPa under having equipment).
In the present embodiment, the drain line include automatically controlled servo valve 8 and manual overflow valve 7, both it is parallel with one another after with
Fuel tank 1 is connected.
In the present embodiment, the plunger case drive device includes the second servomotor 14, the output shaft of the second servomotor
It is connected with the tailpiece of the piston rod of plunger case by decelerator and transmission mechanism, the piston rod for driving plunger case does reciprocating linear fortune
It is dynamic., the plunger case 13 is single-piston formula hydraulic cylinder, a limit switch is respectively arranged at two ends with plunger case, when its piston
When bar touches one of limit switch, the second servomotor can be automatically stopped work.
The present apparatus is realized to ultra high pressure using the low-pressure side of servomotor, servo valve, plunger case control pressurizing cylinder
Control, system is conventional Hydraulic Elements, easily buying, and the manufacturing cycle is short, low cost.
Present invention also offers a kind of HTHP rheometer application method of fluid pressure type axle pressure generating apparatus, including such as
Lower step：
S1, offer HTHP rheometer fluid pressure type axle pressure generating apparatus as described above；
S2, axial initial stage pressurization steps are carried out, specially：First, second, third hydraulic valve (6,12,9) is opened, is started
First servomotor 4 drives oil pump 3 that hydraulic oil is reached into the first hydraulic valve 6, and the hydraulic oil with pressure is respectively through second
The rodless cavity end of pressurizing cylinder 11 and plunger case 13 is had respectively entered after bar oil circuit and Article 3 oil circuit, is on the one hand realized to supercharging
The big flow supply of oil cylinder, is on the other hand capable of achieving the fluid supplement to plunger case；
S3, rheological experiment step is carried out, specially：When axial low speed feeds, the first liquid closed on the output pipe of oil pump 3
Pressure valve 6, and the 3rd hydraulic valve 9 on the second hydraulic valve 12 and Article 3 oil circuit on Article 2 oil circuit is opened, start second and watch
Motor 14 is taken, is constantly advanced to rodless cavity in the piston for driving lower prop plug cylinder 13 of the second servomotor 14, fluid is through Article 3
Enter pressurizing cylinder 11 after oil circuit, while the numerical value of Real-time Feedback pressure sensor and position sensor, to the second servomotor
14 carry out full closed loop control, and slowly pressurize the automatic pressure-maintaining after reaching target；
S4, ftercompction step is carried out, specially：Automatically controlled servo valve 8 and manual overflow valve 7 are adjusted, is closed on Article 3 oil circuit
The 3rd hydraulic valve 9, open first, second hydraulic valve (6,12), start the servomotor 14 of oil pump 3 and second plunger case 13 is entered
Row ftercompction works, and plunger case 13 can continue to carry out pressurizing cylinder 11 pressurize and feeding task after the completion of ftercompction；
S5, carry out return low speed and move back pressure step, close the first hydraulic valve 6, open second, third hydraulic valve (12,9), open
Dynamic second servomotor 14 is inverted at a slow speed, is driven piston rod to retreat realization and is moved back pressure work, so as to drive pressurizing cylinder 11 to live
Plug is retreated, and realizes that depression bar is separated with sample；To ensure that return is smoothed out, before moving back pressure task and carrying out, the 3rd can be first closed
Hydraulic valve, opens manual overflow valve and the second servomotor 14 by hydraulic oil emptying in plunger case 13, is moved back with having sufficient space
Pressure；
S6, when move back be pressed onto in the range of safe pressure when, close the second hydraulic valve 12, realized by controlling automatically controlled servo valve 8
Quickly move back pressure.
Claims (10)
1. a kind of HTHP rheometer fluid pressure type axle pressure generating apparatus, it include fuel tank, oil pump, plunger case, pressurizing cylinder,
Controller, the input channel of the oil pump is connected with fuel tank, and output channel is connected to three oil circuits, and first oil circuit passes through
Drain line is connected with fuel tank, and Article 2 oil circuit is connected with the oil inlet of plunger case, the rodless cavity of Article 3 oil circuit and pressurized cylinder
It is connected, detecting element, the tailpiece of the piston rod of the pressurized cylinder and the pressure of HTHP rheometer is configured with the two ends of pressurizing cylinder
Bar phase configuration, the tailpiece of the piston rod of the plunger case is driven by plunger case drive device, and the cylinder diameter of the pressurized cylinder compares plunger case
Cylinder diameter it is big, both are present, and ratio is poor, and the controller is connected with detecting element and plunger case drive device respectively.
2. HTHP rheometer according to claim 1 fluid pressure type axle pressure generating apparatus, it is characterised in that：In oil pump
Output pipe on be installed on the first hydraulic valve, the second hydraulic valve is provided with the entrance of Article 2 oil circuit, in Article 3 oil circuit
Entrance is provided with the 3rd hydraulic valve.
3. HTHP rheometer according to claim 1 and 2 fluid pressure type axle pressure generating apparatus, it is characterised in that：Institute
Stating drain line includes automatically controlled servo valve and manual overflow valve, is connected with fuel tank after both are parallel with one another.
4. HTHP rheometer according to claim 1 and 2 fluid pressure type axle pressure generating apparatus, it is characterised in that：Institute
Stating plunger case drive device includes the second servomotor, and the output shaft of the second servomotor passes through the work of transmission mechanism and plunger case
Stopper rod end is connected, and the piston rod for driving plunger case does linear reciprocating motion.
5. HTHP rheometer according to claim 1 and 2 fluid pressure type axle pressure generating apparatus, it is characterised in that：Institute
Oil pump is stated to be worked by the first servo motor driven oil pump.
6. HTHP rheometer according to claim 4 fluid pressure type axle pressure generating apparatus, it is characterised in that：The post
Plug cylinder is single-piston formula hydraulic cylinder, a limit switch is respectively arranged at two ends with plunger case, when its plunger rod contacts is to wherein
During one limit switch, the second servomotor can be automatically stopped work.
7. fluid pressure type axle pressure generating apparatus of the HTHP rheometer according to 1 or 2, it is characterised in that：The detection unit
Part includes displacement transducer and pressure sensor.
8. HTHP rheometer according to claim 2 fluid pressure type axle pressure generating apparatus, it is characterised in that：Described
One hydraulic valve, the second hydraulic valve and the 3rd hydraulic valve are hand-operated hydraulic valve.
9. HTHP rheometer according to claim 1 and 2 fluid pressure type axle pressure generating apparatus, it is characterised in that：Institute
The cylinder diameter ratio for stating plunger case and pressurized cylinder is：1:8~1:12.
10. a kind of HTHP rheometer application method of fluid pressure type axle pressure generating apparatus, it is characterised in that：Including following step
Suddenly：
S1, the HTHP rheometer provided as described in any claim in claim 1 to 9 are given birth to the pressure of fluid pressure type axle and filled
Put；
S2, axial initial stage pressurization steps are carried out, specially：First, second, third hydraulic valve is opened, starts the first servomotor
Drive oil pump that hydraulic oil is reached into the first hydraulic valve, the hydraulic oil with pressure is respectively through Article 2 oil circuit and Article 3 oil
Pressurizing cylinder and plunger case are had respectively entered behind road；
S3, rheological experiment step is carried out, specially：When axial low speed feeds, the first hydraulic valve closed on oil pump output pipe,
And the 3rd hydraulic valve on the second hydraulic valve and Article 3 oil circuit on Article 2 oil circuit is opened, start the second servomotor,
The piston of the drive lower prop plug cylinder of the second servomotor constantly advances to rodless cavity, and fluid enters pressurised oil after Article 3 oil circuit
Cylinder, while Real-time Feedback pressure sensor and the numerical value of position sensor, carry out full closed loop control, slowly to the second servomotor
Pressurization automatic pressure-maintaining after reaching target；
S4, ftercompction step is carried out, specially：Automatically controlled servo valve and manual overflow valve are adjusted, the 3rd on Article 3 oil circuit is closed
Hydraulic valve, opens first, second hydraulic valve, and start oil pump and the second servomotor carries out ftercompction work to plunger case, and ftercompction is complete
Can continue to carry out pressurizing cylinder pressurize and feeding task into rear pillar plug cylinder；
S5, carry out return low speed and move back pressure step, close the first hydraulic valve, open second, third hydraulic valve, start the second servo electricity
Machine is inverted at a slow speed, drive piston rod retreat realization move back pressure work so that drive pressurizing cylinder piston retreat, realize depression bar with
The separation of sample；
S6, when move back be pressed onto in the range of safe pressure when, close the second servomotor, realize moving back pressure by controlling automatically controlled servo valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193214.9A CN106870516B (en) | 2017-03-28 | 2017-03-28 | A kind of HTHP rheometer fluid pressure type axis pressure generating apparatus and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193214.9A CN106870516B (en) | 2017-03-28 | 2017-03-28 | A kind of HTHP rheometer fluid pressure type axis pressure generating apparatus and its application method |
Publications (2)
| Publication Number | Publication Date |
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| CN106870516A true CN106870516A (en) | 2017-06-20 |
| CN106870516B CN106870516B (en) | 2018-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411751A (en) * | 2019-07-09 | 2019-11-05 | 中航工程集成设备有限公司 | A kind of thrust calibration system for engine running bench support |
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| JP2000298086A (en) * | 1999-04-13 | 2000-10-24 | Japan Tobacco Inc | Material tester |
| CN201803925U (en) * | 2010-08-18 | 2011-04-20 | 中国东方电气集团有限公司 | High-temperature high-pressure rheometer |
| CN204705065U (en) * | 2015-06-10 | 2015-10-14 | 中国地质大学（武汉） | A kind of HTHP rheometer detachable cold radiator cooler |
| CN105508319A (en) * | 2016-01-19 | 2016-04-20 | 中国地质大学（武汉） | Ultrahigh-pressure hydraulic pressurization system controlled by low-pressure servo source |
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2017
- 2017-03-28 CN CN201710193214.9A patent/CN106870516B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000298086A (en) * | 1999-04-13 | 2000-10-24 | Japan Tobacco Inc | Material tester |
| CN201803925U (en) * | 2010-08-18 | 2011-04-20 | 中国东方电气集团有限公司 | High-temperature high-pressure rheometer |
| CN204705065U (en) * | 2015-06-10 | 2015-10-14 | 中国地质大学（武汉） | A kind of HTHP rheometer detachable cold radiator cooler |
| CN105508319A (en) * | 2016-01-19 | 2016-04-20 | 中国地质大学（武汉） | Ultrahigh-pressure hydraulic pressurization system controlled by low-pressure servo source |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411751A (en) * | 2019-07-09 | 2019-11-05 | 中航工程集成设备有限公司 | A kind of thrust calibration system for engine running bench support |
| CN110411751B (en) * | 2019-07-09 | 2021-09-03 | 中航工程集成设备有限公司 | Thrust calibration system for engine test bed |
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| Publication number | Publication date |
|---|---|
| CN106870516B (en) | 2018-06-12 |
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