CN202110093U - Testing system of hydraulic tester - Google Patents
Testing system of hydraulic tester Download PDFInfo
- Publication number
- CN202110093U CN202110093U CN2011200768412U CN201120076841U CN202110093U CN 202110093 U CN202110093 U CN 202110093U CN 2011200768412 U CN2011200768412 U CN 2011200768412U CN 201120076841 U CN201120076841 U CN 201120076841U CN 202110093 U CN202110093 U CN 202110093U
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- hydraulic
- data acquisition
- displacement
- sensor
- display unit
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Abstract
The utility model discloses a testing system of a hydraulic tester. The testing system comprises a hydraulic sensor, a displacement sensor, a data acquisition and processing unit and a display unit, wherein the hydraulic sensor is arranged at an oil inlet pipe of a working oil cylinder of the hydraulic tester; the displacement sensor is arranged between a big cross beam and a small cross beam of the hydraulic tester; the data acquisition and processing unit is respectively connected with the hydraulic sensor and the displacement sensor; and the display unit is connected with the data acquisition and processing unit. According to the testing system of the hydraulic tester, the hydraulic sensor and the displacement sensor have relatively high measurement precision; and meanwhile, oil pressure signals acquired by the hydraulic sensor and displacement signals acquired by the displacement sensor are processed by the data acquisition and processing unit and then directly displayed in the display unit, so that manual index interpretation is not needed, the possibility of error judgment in manual interpretation is avoided, and the testing accuracy is improved.
Description
Technical field
The utility model belongs to the hydraulic dynamometer technical field, relates in particular to a kind of hydraulic dynamometer test macro.
Background technology
Hydraulic dynamometer is widely used in the test of material mechanical performance, mainly comprises base, lower jaw seat, examination platform, cross bearer, needle beam, column, leading screw, tie-bar, motor and operating cylinder.Column is fixed on the base, and cross bearer is fixed on the upper end of column, and operating cylinder is fixed on the central authorities of cross bearer; Piston in the operating cylinder supports needle beam through the aligning seat bar; The upper end and the needle beam of tie-bar are fixed, and the lower end is fixed with the examination platform, and the lower jaw seat is installed in the leading screw upper end of center; Driven by motor worm screw turbine rotation, the effect through leading screw makes the lower jaw seat carry out elevating movement.
When material is carried out mechanical test, detected materials is positioned between examination platform and the lower jaw seat, in the operation process of operating cylinder, its piston drives needle beam and the examination platform rises, and load is acted on the detected materials gradually.Will be in the mechanical test process to the stroke of detected materials, and the size of the suffered load of detected materials detects.
At present; The mode that detects the stroke of detected materials is: between cross bearer and needle beam, scale is set; In the mechanical test process; The operator reads the displacement of needle beam through the scale on the scale, because the displacement of needle beam is consistent with the stroke of detected materials, so with the stroke of the displacement that reads as detected materials.The mode that detects the suffered load value of detected materials is: in the operating cylinder operation process; Hydraulic oil gets into operating cylinder and drives piston motion via scavenge pipe; The fork and the pendulum stone roller that drive in the moving pendulum dynamometer through arm-tie and supporting lever simultaneously produce an angular displacement; The size of this angular displacement be added to the proportional relation of magnitude of load on the piston, through the pointer in the moving pendulum dynamometer magnitude of load that acts on detected materials is indicated.
But, read in the process of needle beam displacement according to the scale of scale the operator, very easily occurrence of errors; Accuracy is lower; Simultaneously, the measuring accuracy of moving pendulum dynamometer is lower, and reads in the process of the suffered load value of detected materials through the pointer of moving pendulum dynamometer; Artificial parallax error takes place easily, and its accuracy is lower.
The utility model content
In view of this, the purpose of the utility model is to provide a kind of hydraulic dynamometer test macro, can accurately measure detected materials suffered load and stroke of generation in the mechanical test process, and can intuitively show it.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of hydraulic dynamometer test macro comprises: the hydraulic pressure transducer that is installed on the operating cylinder oil inlet pipe place of said hydraulic dynamometer; Be installed on the cross bearer of said hydraulic dynamometer and the displacement transducer between the needle beam; The data acquisition process unit that is connected with displacement transducer with said hydraulic pressure transducer respectively; The display unit that is connected with said data acquisition process unit.
Preferably, in the above-mentioned hydraulic dynamometer test macro, said hydraulic pressure transducer is installed on the oil inlet pipe of said operating cylinder through T-valve.
Preferably, in the above-mentioned hydraulic dynamometer test macro, further comprise the storer that is connected with said data acquisition process unit.
This shows; The above-mentioned disclosed hydraulic dynamometer test macro of the utility model, the measuring accuracy of hydraulic pressure transducer and displacement transducer is higher, simultaneously; The displacement signal that fuel injection pressure signal that hydraulic pressure transducer obtains and displacement transducer obtain directly shows at display unit after being handled by the data acquisition process unit; And need not to carry out artificial index interpretation, and avoided artificial interpretation that the possibility of erroneous judgement takes place, improved test accuracy.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of hydraulic test machine test macro of the utility model;
Fig. 2 is the structural representation of the disclosed another kind of hydraulic test machine test macro of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of hydraulic dynamometer test macro, can accurately measure detected materials suffered load and stroke of generation in the mechanical test process, and can intuitively show it.
Referring to Fig. 1, Fig. 1 is the structural representation of the disclosed a kind of hydraulic test machine test macro of the utility model.
This liquid systems comprises hydraulic pressure transducer 1, displacement transducer 2, data acquisition process unit 3 and display unit 4.
Wherein, hydraulic pressure transducer 1 is installed on the operating cylinder oil inlet pipe place of hydraulic dynamometer, can the operating oil pressure of operating cylinder be detected the output oil pressure signal; Displacement transducer 2 is installed between the cross bearer and needle beam of said hydraulic dynamometer, can the displacement of needle beam be detected the carry-out bit shifting signal; Data acquisition process unit 3 is connected with displacement transducer 2 with hydraulic pressure transducer 1 respectively; Can read fuel injection pressure signal and the displacement signal in the displacement transducer 2 in the hydraulic pressure transducer 1; And to the fuel injection pressure signal that reads with displacement signal amplifies and analog to digital conversion, obtain digital signal; Display unit 4 is connected with data acquisition process unit 3, can show displacement information and oil pressure information, and displacement information is consistent with the stroke of detected materials, and oil pressure information can effectively reflect the magnitude of load that acts on the detected materials.
When detected materials is carried out mechanical test; Detected materials is placed between the examination platform and lower jaw seat of hydraulic test machine, regulates the oil pressure that gets into operating cylinder through oil pump, the piston of operating cylinder drives needle beam and the examination platform rises; Make load act on the detected materials gradually; In this process, the oil pressure of 1 pair of operating cylinder of hydraulic pressure transducer detects, and the displacement of 2 pairs of needle beams of displacement transducer detects.After the displacement signal of the fuel injection pressure signal of hydraulic pressure transducer 1 output and displacement transducer 2 outputs is handled by data acquisition process unit 3, show by display unit 4.The operator can read oil pressure information and displacement information intuitively through display unit 4, and then knows the magnitude of load that detected materials is suffered and the stroke of generation.
The above-mentioned disclosed hydraulic test machine test macro of the utility model; The measuring accuracy of hydraulic pressure transducer 1 and displacement transducer 2 is higher; Simultaneously, the displacement signal that fuel injection pressure signal that hydraulic pressure transducer 1 obtains and displacement transducer 2 obtain directly shows at display unit 4 after being handled by data acquisition process unit 3, carries out the registration judgement and need not manual work; Avoid artificial interpretation that the possibility of erroneous judgement takes place, improved test accuracy.
In force, hydraulic pressure transducer 1 can be installed on the oil inlet pipe of operating cylinder through T-valve.Flow into by the hydraulic oil of oil pump output inlet from T-valve; Shunt by the spool in the T-valve afterwards; One the road flows into the oil inlet pipe of operating cylinder from first outlet of T-valve, and another road gets into hydraulic pressure transducer 1 from second outlet of T-valve, carries out oil pressure by hydraulic pressure transducer 1 and detects.
Referring to Fig. 2, Fig. 2 is the structural representation of the disclosed another kind of hydraulic test machine test macro of the utility model.
This system comprises hydraulic pressure transducer 1, displacement transducer 2, data acquisition process unit 3, display unit 4 and storer 5.Wherein, associated components is consistent among the 26S Proteasome Structure and Function of hydraulic pressure transducer 1, displacement transducer 2, data acquisition process unit 3 and display unit 4 and Fig. 1, repeats no more at this.
Storer 5 is connected with data acquisition process unit 3, displacement information and oil pressure information stores to storer 5 after data acquisition process unit 3 is handled.After the generation systems fault, the operator can be through displacement information and the oil pressure information failure judgement reason in the storer 5.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (3)
1. a hydraulic dynamometer test macro is characterized in that, comprising:
Be installed on the hydraulic pressure transducer at the operating cylinder oil inlet pipe place of said hydraulic dynamometer;
Be installed on the cross bearer of said hydraulic dynamometer and the displacement transducer between the needle beam;
The data acquisition process unit that is connected with displacement transducer with said hydraulic pressure transducer respectively;
The display unit that is connected with said data acquisition process unit.
2. hydraulic dynamometer test macro according to claim 1 is characterized in that, said hydraulic pressure transducer is installed on the oil inlet pipe of said operating cylinder through T-valve.
3. hydraulic dynamometer test macro according to claim 1 is characterized in that, further comprises the storer that is connected with said data acquisition process unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200768412U CN202110093U (en) | 2011-03-22 | 2011-03-22 | Testing system of hydraulic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200768412U CN202110093U (en) | 2011-03-22 | 2011-03-22 | Testing system of hydraulic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110093U true CN202110093U (en) | 2012-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200768412U Expired - Fee Related CN202110093U (en) | 2011-03-22 | 2011-03-22 | Testing system of hydraulic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202110093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562494A (en) * | 2018-01-02 | 2018-09-21 | 大连赢得科技有限公司 | A kind of extrusion experiment simulator of reinforced concrete construction part |
| CN109001028A (en) * | 2018-05-31 | 2018-12-14 | 武汉理工大学 | The Quintic system shock test loading device vertically uniformly loaded |
-
2011
- 2011-03-22 CN CN2011200768412U patent/CN202110093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562494A (en) * | 2018-01-02 | 2018-09-21 | 大连赢得科技有限公司 | A kind of extrusion experiment simulator of reinforced concrete construction part |
| CN109001028A (en) * | 2018-05-31 | 2018-12-14 | 武汉理工大学 | The Quintic system shock test loading device vertically uniformly loaded |
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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: 20120111 Termination date: 20150322 |
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| EXPY | Termination of patent right or utility model |