CN205786075U - The hydraulic power system of external load formula shield duct piece testing machine for mechanical properties - Google Patents
The hydraulic power system of external load formula shield duct piece testing machine for mechanical properties Download PDFInfo
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- CN205786075U CN205786075U CN201620563737.9U CN201620563737U CN205786075U CN 205786075 U CN205786075 U CN 205786075U CN 201620563737 U CN201620563737 U CN 201620563737U CN 205786075 U CN205786075 U CN 205786075U
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- China
- Prior art keywords
- power system
- hydraulic power
- hydraulic
- duct piece
- shield duct
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Abstract
The utility model discloses the hydraulic power system of external load formula shield duct piece testing machine for mechanical properties, it includes oil sources, separator, hydraulic actuating unit and servo controller；Described hydraulic actuating unit includes check valve, oil filter, servo valve and hydraulic jack；Being provided with pressure transducer outside hydraulic jack, it is internally provided with displacement transducer；Displacement transducer, pressure transducer are connected with servo controller, and servo controller is connected with servo valve, the openings of sizes of feedback control servo valve and direction, thus control to enter the flow of oil cylinder.The hydraulic power system of the external load formula shield duct piece testing machine for mechanical properties that this utility model provides, it is rational in infrastructure, pass through SERVO CONTROL, realize the functions such as constant speed test force, constant speed displacement, test force holding, displacement holding, be conducive to the EXPERIMENTAL DESIGN of shield duct piece mechanical property, advance the performance test research of shield duct piece.
Description
Technical field
This utility model belongs to technical field of buildings, particularly relates to external load formula shield duct piece testing machine for mechanical properties
Hydraulic power system.
Background technology
In architectural engineering, shield duct piece testing machine for mechanical properties be simulation shield duct piece in working order or limit state
Under, the compositive research platform of its mechanical property.
Hydraulic power system is the important component part of external load formula shield duct piece testing machine for mechanical properties, and it should carry
For external load, the stress of real time record shield duct piece and strain again.Hydraulic power system is the water and soil of simulation continuous distribution
The supplier of the loads such as pressure, stratum drag and overcharge on ground.
Existing hydraulic power system, structure is complicated, complex operation, and the performance study test for shield duct piece brings many
Inconvenience.
Summary of the invention
The purpose of this utility model is for above-mentioned technical problem, it is provided that external load formula shield duct piece mechanical property test
The hydraulic power system of machine, it is rational in infrastructure, passes through SERVO CONTROL, it is achieved constant speed test force, constant speed displacement, test force keep,
The functions, the beneficially EXPERIMENTAL DESIGN of shield duct piece mechanical property such as displacement holding, advance the performance test research of shield duct piece.
The technical solution of the utility model:
For solving above-mentioned technical problem, this utility model provides the liquid of external load formula shield duct piece testing machine for mechanical properties
Pressure power system, it includes oil sources, separator, hydraulic actuating unit and servo controller.
Described hydraulic actuating unit includes check valve, oil filter, servo valve and hydraulic jack；Hydraulic jack is outside to be arranged
Having pressure transducer, it is internally provided with displacement transducer；Displacement transducer, pressure transducer are connected with servo controller, watch
Take controller to be connected with servo valve, the openings of sizes of feedback control servo valve and direction, thus control to enter the flow of oil cylinder.
Further, described oil sources forms three hydraulic actuating units by separator.
Further, described displacement transducer is the telescopic displacement transducer of magnetic hysteresis, and its installation direction loads with load
Direction is identical.
Further, described hydraulic jack is that double acting list goes out rod oil cylinder, and it includes oil cylinder cover, cylinder barrel and cylinder bottom；Live
Stopper rod end is provided with concave pad plate, and it is connected with the end of piston rod by connecting rod, is provided with between concave pad plate and piston rod
Backing plate.
Further, described pressure transducer is arranged between concave pad plate and backing plate, and concave pad plate is being added by convex backing plate
Loading point imposed load.
Further, described displacement transducer, by the preformed hole in the middle part of cylinder bottom, is arranged on the inside of piston rod.
Further, described hydraulic jack is fixed on the truss being provided with T-slot by cylinder bottom, and hydraulic jack is permissible
T-slot along truss, adjusts its position of vertical direction on truss, in order to arrange that load loads position according to EXPERIMENTAL DESIGN
Put.
This utility model beneficial effect:
The hydraulic power system of the external load formula shield duct piece testing machine for mechanical properties that this utility model provides, its structure
Rationally, SERVO CONTROL is passed through, it is achieved the functions, beneficially shield such as constant speed test force, constant speed displacement, test force holding, displacement holding
The EXPERIMENTAL DESIGN of structure section of jurisdiction mechanical property, advances the performance test research of shield duct piece.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the oil cylinder structure of hydraulic schematic diagram of this utility model；
Fig. 3 is partial enlarged drawing at B in Fig. 2；
Fig. 4 is the connection diagram of hydraulic jack and truss；
Fig. 5 is the top view of Fig. 4.
Wherein:
1. oil sources；2. separator；3. hydraulic jack；4. displacement transducer；5. pressure transducer；6. servo controller；7.
Servo valve；8. hydraulic actuating unit；9. truss；The convex backing plate of 3-1.；3-2. concave pad plate；3-3. connecting rod；3-4. backing plate；3-5. it is oily
Cylinder cap；3-6. cylinder barrel；3-7. piston rod；3-8. piston；3-9. cylinder bottom.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings to this utility model external load formula shield duct piece testing machine for mechanical properties
Hydraulic power system be described in detail:
Fig. 1 is this utility model structural representation, and it includes oil sources 1, separator 2, hydraulic actuating unit 8 and SERVO CONTROL
Device 6；Described hydraulic actuating unit 8 includes check valve, oil filter, servo valve 7 and hydraulic jack 3.
Hydraulic jack 3 is outside is provided with pressure transducer 5, and it is internally provided with displacement transducer 4；Displacement transducer 4, pressure
Force transducer 5 is connected with servo controller 6, and servo controller 6 is connected with servo valve 7, the openings of sizes of feedback control servo valve 7
And direction, thus control to enter the flow of oil cylinder.
Described oil sources 1 forms three hydraulic actuating units 8 by separator 2.
Fig. 2 is the oil cylinder structure of hydraulic schematic diagram of this utility model, and described hydraulic jack 3 is double acting list rod oil
Cylinder, it includes oil cylinder cover 3-5, cylinder barrel 3-6 and cylinder bottom 3-9；Piston rod 3-7 end is provided with concave pad plate 3-2, and it passes through connecting rod
3-3 is connected with the end of piston rod 3-7, is provided with backing plate 3-4 between concave pad plate 3-2 and piston rod 3-7.
Fig. 3 is partial enlarged drawing at B in Fig. 2, and described displacement transducer 4, by the preformed hole in the middle part of cylinder bottom 3-9, is installed
In the inside of piston rod 3-7, it is the telescopic displacement transducer of magnetic hysteresis, and its installation direction is identical with load loading direction.
Described pressure transducer 5 is arranged between concave pad plate 3-2 and backing plate 3-4, and concave pad plate 3-2 passes through convex backing plate 3-1
At load(ing) point imposed load.
Described hydraulic jack 3 is fixed on the truss 9 being provided with T-slot by cylinder bottom 3-9, Fig. 4 be hydraulic jack with
The connection diagram of truss；Be illustrated in figure 5 the top view of Fig. 4, hydraulic jack 3 can T-slot along truss 9, adjust it
The position of vertical direction on truss 9, in order to arrange load loading position according to EXPERIMENTAL DESIGN.
On outside loaded type shield duct piece testing machine for mechanical properties, it is provided with 12 hydraulic power systems, each liquid
Pressure power system distributes three hydraulic jacks, can meet the three ring monoblock type tests simultaneously loading at 36.
The hydraulic power system of the external load formula shield duct piece testing machine for mechanical properties that this utility model provides, its structure
Rationally, SERVO CONTROL is passed through, it is achieved the functions, beneficially shield such as constant speed test force, constant speed displacement, test force holding, displacement holding
The EXPERIMENTAL DESIGN of structure section of jurisdiction mechanical property, advances the performance test research of shield duct piece.
Claims (7)
1. the hydraulic power system of external load formula shield duct piece testing machine for mechanical properties, including oil sources (1), separator (2), liquid
Pressure performance element (8) and servo controller (6)；It is characterized in that, described hydraulic actuating unit (8) includes check valve, oil strain
Device, servo valve (7) and hydraulic jack (3)；Hydraulic jack (3) is outside is provided with pressure transducer (5), and it is internally provided with displacement
Sensor (4)；Displacement transducer (4), pressure transducer (5) are connected with servo controller (6), servo controller (6) and servo
Valve (7) connects, the openings of sizes of feedback control servo valve (7) and direction.
Hydraulic power system the most according to claim 1, it is characterised in that described oil sources (1) passes through separator (2) shape
Become three hydraulic actuating units (8).
Hydraulic power system the most according to claim 1, it is characterised in that described displacement transducer (4) is that magnetic hysteresis is stretched
Contracting formula displacement transducer, its installation direction is identical with load loading direction.
Hydraulic power system the most according to claim 1, it is characterised in that described hydraulic jack (3) is double acting list
Going out rod oil cylinder, it includes oil cylinder cover (3-5), cylinder barrel (3-6) and cylinder bottom (3-9)；Piston rod (3-7) end is provided with concave pad plate
(3-2), it is connected with the end of piston rod (3-7) by connecting rod (3-3), sets between concave pad plate (3-2) and piston rod (3-7)
It is equipped with backing plate (3-4).
Hydraulic power system the most according to claim 1, it is characterised in that described pressure transducer (5) is arranged on recessed
Between backing plate (3-2) and backing plate (3-4), concave pad plate (3-2) passes through convex backing plate (3-1) at load(ing) point imposed load.
Hydraulic power system the most according to claim 4, it is characterised in that described displacement transducer (4) passes through cylinder bottom
(3-9) preformed hole at middle part, is arranged on the inside of piston rod (3-7).
Hydraulic power system the most according to claim 4, it is characterised in that described hydraulic jack (3) passes through cylinder bottom (3-
9) it is fixed on the truss (9) being provided with T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563737.9U CN205786075U (en) | 2016-06-13 | 2016-06-13 | The hydraulic power system of external load formula shield duct piece testing machine for mechanical properties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563737.9U CN205786075U (en) | 2016-06-13 | 2016-06-13 | The hydraulic power system of external load formula shield duct piece testing machine for mechanical properties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786075U true CN205786075U (en) | 2016-12-07 |
Family
ID=58134900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563737.9U Expired - Fee Related CN205786075U (en) | 2016-06-13 | 2016-06-13 | The hydraulic power system of external load formula shield duct piece testing machine for mechanical properties |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786075U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632514A (en) * | 2019-01-28 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of oil pressure load soil body test device in situ and method being attached to shield duct piece |
| CN111044375A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Reaction well loading device and method capable of carrying out large-scale full-scale test on pipe sheet |
| CN111044377A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Loading oil cylinder test device capable of moving up and down in reaction well and test method |
-
2016
- 2016-06-13 CN CN201620563737.9U patent/CN205786075U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632514A (en) * | 2019-01-28 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of oil pressure load soil body test device in situ and method being attached to shield duct piece |
| CN109632514B (en) * | 2019-01-28 | 2024-03-15 | 中铁第四勘察设计院集团有限公司 | Oil pressure loading in-situ soil body testing device and method attached to shield segment |
| CN111044375A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Reaction well loading device and method capable of carrying out large-scale full-scale test on pipe sheet |
| CN111044377A (en) * | 2019-11-08 | 2020-04-21 | 浙江大学城市学院 | Loading oil cylinder test device capable of moving up and down in reaction well and test method |
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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 |
Granted publication date: 20161207 Termination date: 20190613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |