CN101446533A - Tool used for measuring electro-hydraulic servo valve tube spring stiffness - Google Patents
Tool used for measuring electro-hydraulic servo valve tube spring stiffness Download PDFInfo
- Publication number
- CN101446533A CN101446533A CNA2008102074165A CN200810207416A CN101446533A CN 101446533 A CN101446533 A CN 101446533A CN A2008102074165 A CNA2008102074165 A CN A2008102074165A CN 200810207416 A CN200810207416 A CN 200810207416A CN 101446533 A CN101446533 A CN 101446533A
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- tool
- measuring
- tube spring
- servo valve
- hydraulic servo
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Abstract
The invention relates to a tool used for measuring electro-hydraulic servo valve tube spring stiffness. The tool comprises a pedestal (1), a bracket (2), a horizontally fixed process board (3) on the bracket (2), a tube spring (4) fixed on the process board (3) and a driving wheel (5) mounted at the tube spring (4). Two crown block components (6) are installed at the position on the same plane of the two ends of the brackets (2) and the driving wheel (5). A measuring line (7) rounds the crown block components (6) and penetrates through the driving wheel (5) to be connected with the tube spring (4). The tool is convenient for installing and measuring and improves the work efficiency, and the tool ensures the requirement that the force born by the tube spring is vertical to a measuring surface well during the measuring process. The tool ensures that the measurement result is more accurate. The tool is very simple for operating and using, and no professional knowledge is required. The production of the structure and the parts of the whole tool is very simple, but the tool achieves the precision requirement which can only be achieved by a very high precision tool.
Description
Technical field
The invention belongs to electro-hydraulic servo valve member fields of measurement, particularly relate to a kind of frock of used for measuring electro-hydraulic servo valve tube spring stiffness.
Background technology
Electrohydraulic servo valve is a kind of high precision that is used for electrohydraulic control system, the electro-hydraulic servo control assembly with very high dynamic response, and it can be used for the hydraulic control system of accurate displacement, speed, power and acceleration.The pipe spring is the core Control Component of electrohydraulic servo valve, and its rigidity value all plays decisive influence to the static and dynamic performance of whole prestage and product.Therefore the measurement of its rigidity value is exactly a requisite job.
Summary of the invention
Technical matters to be solved by this invention provides a kind of frock of used for measuring electro-hydraulic servo valve tube spring stiffness, can answer standard with the prestage of assurance product and the static and dynamic performance of product.
A kind of frock of used for measuring electro-hydraulic servo valve tube spring stiffness, comprise base (1), support (2), support (2) is gone up horizontal fixed board (3), pipe spring (4) is fixed on the board (3), card wheel (5) is enclosed within on the pipe spring (4), (2) individual fixed pulley assembly (6) also is equipped with in the position of described support (2) two ends and card wheel (5) same surface level, and measurement rope (7) is walked around fixed pulley assembly (6) and passed card wheel (5) connecting pipe spring (4).
Beneficial effect
The present invention installs and measures conveniently, has improved work efficiency, and has guaranteed the suffered power requirement vertical with surface measurements of pipe spring in measuring process preferably.Make measurement result more accurate.Manipulate very simply, do not need professional knowledge.The structure of whole frock and the production of part are all very simple.But it has accomplished the accuracy requirement that high precision frock just can reach very.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
A kind of frock of used for measuring electro-hydraulic servo valve tube spring stiffness, it is characterized in that: comprise base 1, support 2, horizontal fixed board 3 on the support 2, pipe spring 4 is fixed on the board 3, card wheel 5 is enclosed within on the pipe spring 4,2 fixed pulley assemblies 6 also are equipped with in the position of described support 2 two ends and card wheel 5 same surface levels, and measurement rope 7 is walked around fixed pulley assembly 6 and passed card wheel 5 connecting pipe springs 4.
Base 1, support 2 materials are 45 steel, upper surface and lower surface roughness Ra1.6, and both keep the higher depth of parallelism.
Fixed pulley assembly 6 is the very little assembly of friction force, to reduce in the measuring process because of the influence of frictional resistance to measurement result.
The stroke requirement of measuring rope 7 is very little, also reduces the consumption of power on rope.
Card wheel 5 is wanted suitably with the tolerance clearance of pipe spring 4, too small difficult installation and removal, and easily pipe spring 4 is caused damage; The excessive verticality that then is not easy to guarantee power and pipe spring 4 surfaces in the measuring process.
By adjusting the parallel measuring point of determining on the pipe spring 4 of measuring rope 7, apply suitably different power at the other end of measuring rope 7 at last, come measuring tube spring 4 at various deformation displacements under stressed with microscope, just can utilize mechanical knowledge to calculate rigidity value by the deflection of measuring tube spring 4.
Claims (1)
1. the frock of a used for measuring electro-hydraulic servo valve tube spring stiffness, it is characterized in that: comprise base (1), support (2), support (2) is gone up horizontal fixed board (3), pipe spring (4) is fixed on the board (3), card wheel (5) is enclosed within on the pipe spring (4), (2) individual fixed pulley assembly (6) also is equipped with in the position of described support (2) two ends and card wheel (5) same surface level, and measurement rope (7) is walked around fixed pulley assembly (6) and passed card wheel (5) connecting pipe spring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102074165A CN101446533A (en) | 2008-12-19 | 2008-12-19 | Tool used for measuring electro-hydraulic servo valve tube spring stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102074165A CN101446533A (en) | 2008-12-19 | 2008-12-19 | Tool used for measuring electro-hydraulic servo valve tube spring stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101446533A true CN101446533A (en) | 2009-06-03 |
Family
ID=40742316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102074165A Pending CN101446533A (en) | 2008-12-19 | 2008-12-19 | Tool used for measuring electro-hydraulic servo valve tube spring stiffness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101446533A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519798A (en) * | 2011-12-05 | 2012-06-27 | 西安理工大学 | Device and method for measuring stiffness of canted coil spring |
| CN102759445A (en) * | 2012-06-29 | 2012-10-31 | 宁波拓普集团股份有限公司 | Dynamic stiffness testing workpiece comprising lining mainsprings |
| CN106872288A (en) * | 2017-01-16 | 2017-06-20 | 株洲时代新材料科技股份有限公司 | Air spring is across test shearing dynamic stiffness experimental rig and a test method |
| CN109580139A (en) * | 2018-12-14 | 2019-04-05 | 上海航天控制技术研究所 | A kind of servo valve armature component integral stiffness test device |
| CN111595539A (en) * | 2020-04-26 | 2020-08-28 | 深圳市特种设备安全检验研究院 | Safety valve spring stiffness determination method and terminal |
-
2008
- 2008-12-19 CN CNA2008102074165A patent/CN101446533A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519798A (en) * | 2011-12-05 | 2012-06-27 | 西安理工大学 | Device and method for measuring stiffness of canted coil spring |
| CN102519798B (en) * | 2011-12-05 | 2013-12-04 | 西安理工大学 | Device and method for measuring stiffness of canted coil spring |
| CN102759445A (en) * | 2012-06-29 | 2012-10-31 | 宁波拓普集团股份有限公司 | Dynamic stiffness testing workpiece comprising lining mainsprings |
| CN102759445B (en) * | 2012-06-29 | 2015-06-24 | 宁波拓普集团股份有限公司 | Dynamic stiffness testing workpiece comprising lining mainsprings |
| CN106872288A (en) * | 2017-01-16 | 2017-06-20 | 株洲时代新材料科技股份有限公司 | Air spring is across test shearing dynamic stiffness experimental rig and a test method |
| CN106872288B (en) * | 2017-01-16 | 2019-08-27 | 株洲时代新材料科技股份有限公司 | Air spring is across test shearing dynamic stiffness experimental rig and a test method |
| CN109580139A (en) * | 2018-12-14 | 2019-04-05 | 上海航天控制技术研究所 | A kind of servo valve armature component integral stiffness test device |
| CN111595539A (en) * | 2020-04-26 | 2020-08-28 | 深圳市特种设备安全检验研究院 | Safety valve spring stiffness determination method and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090603 |