CN105403385A - Test device for simulating work of pneumatic separation spring and test method thereof - Google Patents
Test device for simulating work of pneumatic separation spring and test method thereof Download PDFInfo
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- CN105403385A CN105403385A CN201510708009.2A CN201510708009A CN105403385A CN 105403385 A CN105403385 A CN 105403385A CN 201510708009 A CN201510708009 A CN 201510708009A CN 105403385 A CN105403385 A CN 105403385A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a test device for simulating work of a pneumatic separation spring and a test method thereof. The device comprises two groups of cylinders, a tower frame, a test piece, an electronic hook, a fixed beam, a cylinder control table and an electronic hook control table, wherein the two groups of cylinders are fixed at the lower end of a crossbeam of the tower frame; the two groups of cylinders are connected with the test piece via piston rods respectively; the lower end of the test piece is provided with the electronic hook; the electronic hook is connected with the fixed beam fixed on the ground via the hook; the two groups of cylinders are respectively connected with the cylinder control table; the electronic hook control table is connected with the electronic hook for controlling the electronic hook to be unlocked and simulating the pneumatic separation spring to be unlocked. The work of the pneumatic separation spring can be simulated before the separation test, the work performance of the pneumatic separation spring can be effectively simulated, a diagnostic test with the purpose of checking the work performance of the pneumatic separation spring is further carried out, the separation test means are effectively enriched, and effectiveness and comprehensiveness of the separation test scheme can be ensured.
Description
Technical field
The present invention relates to the technical field of in separation test, pneumatic cut spring serviceability being carried out to simulation test, specifically a kind of test unit and test method thereof simulating pneumatic cut spring work.
Background technology
At present, each chorista separation can be carried out when the space product such as aircraft flies in-orbit.For correctness and the rationality of the design of checking separating mechanism, ground experiment need be carried out to its each parts.Whether what the success or not key of separating mechanism design was that cut spring designs meets the demands, and for carrying out examination cut spring serviceability index Test, and test findings meets expection, proposes a kind of test unit of simulating pneumatic cut spring work.
Summary of the invention
For defect of the prior art, the invention provides the test unit and test method thereof of simulating pneumatic cut spring work, can in the pneumatic cut spring work of separation test front simulation, the serviceability of pneumatic cut spring is effectively simulated, and then carry out by the test of knowing the real situation examined for the purpose of pneumatic cut spring serviceability, effectively enrich the research technique of separation test, ensure that the validity of separation test scheme, comprehensive.
Object of the present invention is achieved through the following technical solutions: a kind of test unit of simulating pneumatic cut spring work, comprise two groups of cylinders, pylon, testpieces, electronics grapple, fixed beam, cylinder control desk and electronics grapple control desk, two groups of cylinders are mounted on tower frame cross beam lower end, two groups of cylinders are connected with testpieces respectively by piston rod, two groups of cylinders are connected with testpieces respectively by piston rod, testpieces lower end is provided with electronics grapple, electronics grapple is connected with the fixed beam being fixed on ground by its holding claw, two groups of cylinders are connected to cylinder control desk, electronics grapple control desk is connected with electronics grapple, control it to unlock, simulate pneumatic cut spring to unlock.
Wherein, use electronics grapple that test body is fixed on ground, simulate pneumatic cut spring initial compressed state
The test method of the test unit of the pneumatic cut spring work of above-mentioned simulation, comprises the steps:
S1: ground is fixed on by electronics grapple in test body lower end, upper end is suspended on pylon by two groups of cylinders, makes it keep balance;
S2: utilize cylinder control desk to cylinder voltage supply, make it export the load of F (load)=P (pressure) × S (cylinder piston rod area) size to test body, magnitude of load and pneumatic cut spring operating load in the same size;
S3: regulate adjusting cylinders piston rod extension elongation, and then warranty test device impulse stroke is consistent with pneumatic cut spring impulse stroke;
S4: use electronics grapple control desk to power to electronics grapple, its holding claw is opened instantaneously, and test body is setting in motion under cylinder load F effect.
Compared with prior art, the present invention has the following advantages:
Can in the pneumatic cut spring work of separation test front simulation, the serviceability of pneumatic cut spring is effectively simulated, and then carry out by the test of knowing the real situation examined for the purpose of pneumatic cut spring serviceability, effectively enrich the research technique of separation test, ensure that the validity of separation test scheme, comprehensive.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of simulating the test unit of pneumatic cut spring work of the embodiment of the present invention.
In figure, 1-cylinder, 2-pylon, 3-testpieces, 4-electronics grapple, 5-fixed beam, 6-cylinder control desk, 7-electronics grapple control desk.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, embodiments provide a kind of test unit of simulating pneumatic cut spring work, comprise two groups of cylinders 1, pylon 2, testpieces 3, electronics grapple 4, fixed beam 5, cylinder control desk 6 and electronics grapple control desk 7, two groups of cylinders 1 are mounted on pylon 2 crossbeam lower end, two groups of cylinders 1 are connected with testpieces 3 respectively by piston rod, two groups of cylinders 1 are connected with testpieces 3 respectively by piston rod, testpieces 3 lower end is provided with electronics grapple 4, electronics grapple 4 is connected with the fixed beam 5 being fixed on ground by its holding claw, two groups of cylinders 1 are connected to cylinder control desk 6, electronics grapple control desk 7 is connected with electronics grapple 4, control it to unlock, simulate pneumatic cut spring to unlock.
When this concrete enforcement is installed, first two groups of cylinders 1 are mounted on pylon 2 crossbeam lower end, two groups of cylinders 1 are connected with testpieces 3 respectively by piston rod, and electronics grapple 4 is installed in testpieces 3 lower end, and electronics grapple 4 is connected with the fixed beam 5 being fixed on ground by its holding claw.Give cylinder 1 supercharging by cylinder control desk 6, make cylinder 1 output loads consistent with size and pneumatic cut spring operating load, and output loads is acted on testpieces 3, the load to pull-up is applied to testpieces 3.Control electronics grapple 4 by electronics grapple control desk 7, the holding claw of electronics grapple 4 is opened, the load move under influence to pull-up that testpieces 3 applies at cylinder 1.
The test method of the test unit of the pneumatic cut spring work of above-mentioned simulation, comprises the steps:
S1: ground is fixed on by electronics grapple in test body lower end, upper end is suspended on pylon by two groups of cylinders, makes it keep balance;
S2: utilize cylinder control desk to cylinder voltage supply, make it export the load of F (load)=P (pressure) × S (cylinder piston rod area) size to test body, magnitude of load and pneumatic cut spring operating load in the same size;
S3: regulate adjusting cylinders piston rod extension elongation, and then warranty test device impulse stroke is consistent with pneumatic cut spring impulse stroke;
S4: use electronics grapple control desk to power to electronics grapple, its holding claw is opened instantaneously, and test body is setting in motion under cylinder load F effect.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (3)
1. the test unit of the pneumatic cut spring work of simulation, it is characterized in that, comprise two groups of cylinders, pylon, testpieces, electronics grapple, fixed beam, cylinder control desk and electronics grapple control desk, two groups of cylinders are mounted on tower frame cross beam lower end, two groups of cylinders are connected with testpieces respectively by piston rod, two groups of cylinders are connected with testpieces respectively by piston rod, testpieces lower end is provided with electronics grapple, electronics grapple is connected with the fixed beam being fixed on ground by its holding claw, two groups of cylinders are connected to cylinder control desk, electronics grapple control desk is connected with electronics grapple, control it to unlock, simulate pneumatic cut spring to unlock.
2. a kind of test unit of simulating pneumatic cut spring work as claimed in claim 1, is characterized in that, uses electronics grapple that test body is fixed on ground, simulates pneumatic cut spring initial compressed state.
3. a kind of test method simulating the test unit of pneumatic cut spring work as described in any one of claim 1-2, is characterized in that, comprise the steps:
S1: ground is fixed on by electronics grapple in test body lower end, upper end is suspended on pylon by two groups of cylinders, makes it keep balance;
S2: utilize cylinder control desk to cylinder voltage supply, make it export the load of F (load)=P (pressure) × S (cylinder piston rod area) size to test body, magnitude of load and pneumatic cut spring operating load in the same size;
S3: regulate adjusting cylinders piston rod extension elongation, and then warranty test device impulse stroke is consistent with pneumatic cut spring impulse stroke;
S4: use electronics grapple control desk to power to electronics grapple, its holding claw is opened instantaneously, and test body is setting in motion under cylinder load F effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708009.2A CN105403385B (en) | 2015-10-27 | 2015-10-27 | A kind of experimental rig and its test method of the pneumatic cut spring work of simulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708009.2A CN105403385B (en) | 2015-10-27 | 2015-10-27 | A kind of experimental rig and its test method of the pneumatic cut spring work of simulation |
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| CN105403385A true CN105403385A (en) | 2016-03-16 |
| CN105403385B CN105403385B (en) | 2018-10-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600856A (en) * | 2013-11-26 | 2014-02-26 | 北京卫星环境工程研究所 | Spacecraft vertical passive separation test equipment |
| CN104483088A (en) * | 2014-12-11 | 2015-04-01 | 中国航天空气动力技术研究院 | Wind tunnel multi-body separation free light test method of simulating residual engine thrust |
| CN104483151A (en) * | 2014-12-09 | 2015-04-01 | 上海航天精密机械研究所 | Separating system and performance index testing method thereof |
| CN104500459A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Hydraulic gravity balancing system realizing micro gravity environment |
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2015
- 2015-10-27 CN CN201510708009.2A patent/CN105403385B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600856A (en) * | 2013-11-26 | 2014-02-26 | 北京卫星环境工程研究所 | Spacecraft vertical passive separation test equipment |
| CN104483151A (en) * | 2014-12-09 | 2015-04-01 | 上海航天精密机械研究所 | Separating system and performance index testing method thereof |
| CN104500459A (en) * | 2014-12-09 | 2015-04-08 | 上海航天精密机械研究所 | Hydraulic gravity balancing system realizing micro gravity environment |
| CN104483088A (en) * | 2014-12-11 | 2015-04-01 | 中国航天空气动力技术研究院 | Wind tunnel multi-body separation free light test method of simulating residual engine thrust |
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| CN105403385B (en) | 2018-10-23 |
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