CN106321530A - Graded loading low-overshoot braking recovery system and recovery method thereof - Google Patents
Graded loading low-overshoot braking recovery system and recovery method thereof Download PDFInfo
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- CN106321530A CN106321530A CN201510344856.5A CN201510344856A CN106321530A CN 106321530 A CN106321530 A CN 106321530A CN 201510344856 A CN201510344856 A CN 201510344856A CN 106321530 A CN106321530 A CN 106321530A
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Abstract
The invention relates to the technical field of spaceflight test piece recovery and particularly discloses a graded loading low-overshoot braking recovery system and a recovery method thereof. Braking gas sources in the braking recovery system include a high-pressure braking gas source and a low-pressure braking gas source, wherein the high-pressure braking gas source is connected with a high-pressure pipeline and is used for providing high braking pressure for the high-pressure pipeline; the low-pressure braking gas source is connected with a low-pressure pipeline and is used for providing low braking pressure for the low-pressure pipeline; and the rear section of the low-pressure pipeline is connected with a braking device after communicating with the rear section of the high-pressure pipeline, the front section of the low-pressure pipeline is provided with a low-pressure electromagnetic valve, and the front section of the high-pressure pipeline is provided with a high-pressure electromagnetic valve. When the device is used for recovering a detached body moving at the speed of 12m/s, the ratio of an overshoot force to a smooth section recovery force is reduced from 3.5 times to 2 times, and the safe buffer recovery of the detached body with a low-strength structure is ensured.
Description
Technical field
The invention belongs to space experiment part recovery technology field, the low punching excessively being specifically related to a kind of hierarchical loading is stopped
Car recovery system and recovery method thereof.
Background technology
In the large-scale ground separation test of space industry, in order to enable testpieces to repeat test of many times,
Need testpieces safe retrieving, in particular for the product that some structural strengths are more weak, it is necessary to strictly control
The size of recovery power, it is ensured that the safety of product.
Existing brake buffering recovery test system, using the teaching of the invention it is possible to provide the recovery pulling force of the largest of about 10t, but this system
Existing and reclaimed the problem that impulse force is bigger, when chorista movement velocity is more than 8m/s, the size crossing impulse force is
3.5 times of steady section, it is difficult to realize the safe retrieving of product more weak to structural strength.
Summary of the invention
It is an object of the invention to provide the low of a kind of hierarchical loading and cross punching brake recovery system and recovery side thereof
Method, ensure steady section reclaim power size constant in the case of, greatly reduce the initial segment recovery impulse force,
Successfully solve large scale quality, a recovery difficult problem for weak structure intensity chorista, save experimentation cost and
Cycle.
Technical scheme is as follows: the low of a kind of hierarchical loading crosses punching brake recovery system, including braking
Source of the gas, pipeline, brake gear, braking gas source provides air pressure by pipeline for brake gear, produces and reclaims load
Lotus, wherein, brake gear includes brake support and the cylinder being arranged on base, by being wrapped on cylinder
Cable wire move together with chorista, reclaim load pass to chorista by cylinder, it is achieved to chorista
Reclaim, it is characterised in that: described braking gas source includes high-pressure brake source of the gas and low pressure braking gas source, wherein,
Described high-pressure brake source of the gas is connected with pressure duct, provides high brake pressure for pressure duct；Described
Low pressure braking gas source is connected with low pressure line, provides low brake pressure for low pressure line；Described low-voltage tube
The back segment on road is connected with brake gear, before described low pressure line after communicating with the back segment of pressure duct
Section is provided with low-voltage solenoid valve, and the leading portion at described pressure duct is provided with high-pressure solenoid valve.
The pipeline that described low pressure line is connected with pressure duct is provided with pressure transducer.
The pipeline that described low pressure line is connected with pressure duct is provided with vent valve.
Low pressure line leading portion near described low-voltage solenoid valve is additionally provided with low pressure check valve, and in low pressure
Low pressure hand-operated valve it is parallel with on the low pressure line at electromagnetic valve and low pressure check valve two ends.
Pressure duct leading portion near described high-pressure solenoid valve is additionally provided with high pressure check valve, and at high pressure
High pressure hand-operated valve it is parallel with on the pressure duct at electromagnetic valve and high pressure check valve two ends.
It is being sequentially provided with low pressure manual modulation valve on the low pressure line leading portion described in described low pressure braking gas source
And low pressure accumulator.
It is being sequentially provided with high pressure hand-operated regulation valve on the pressure duct leading portion described in described high-pressure brake source of the gas
And high pressure accumulator.
The low recovery method crossing punching brake recovery system of a kind of hierarchical loading, the method specifically includes following step
Rapid:
Step 1, the pressure adjusted in the pressure duct and low pressure line being connected with brake gear, and isolate tune
Interference between gas circuit during joint；
At step 2, the recovery system work initial stage, open low pressure line, produce less the returning of punching at brake gear
Record lotus；
Step 3, recovery system worked after a period of time, opened pressure duct, increased brake gear and reclaimed load,
The big nothing reclaimed under load of realization crosses refunds receipts；
After step 4, separation and recovery, pressure duct is put with the gas in low pressure line only.
Described step 2 specifically includes:
During system starts, closing low pressure hand-operated valve, open low pressure check valve, low-voltage solenoid valve starts,
Low-pressure gas in low pressure braking gas source and low pressure accumulator enters brake gear, brake by low-voltage solenoid valve
Device produces brake load, and owing to air pressure is relatively low, brake load is less in the punching excessively of the initial segment.
Described step 3 specifically includes:
After described low pressure line opens certain time, the closedown of high pressure hand-operated valve, low pressure check valve are opened
In the pressure duct opened, start high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator
Enter brake gear by high-pressure solenoid valve, increase the recovery load of brake gear；Due to brake load
Through entering steady section, the brake load that gases at high pressure produce did not had punching, it is achieved that the initial segment during whole
Cross and rush chorista recovery little, that steady section recovery power is big.
The remarkable result of the present invention is: the low mistake of a kind of hierarchical loading of the present invention rushes recovery system of braking
System and recovery method thereof, by the way of hierarchical loading, it is achieved brake pressure quickly and orderly from low to high supplies
Should, supply low brake pressure in the initial segment, reduced impulse force, after entering steady section, supply high brake pressure,
Ensure that the size of recovery power meets the requirements.The chorista of movement velocity 12m/s is being reclaimed by this covering device
Time, it is reduced to 2 times by crossing the impulse force ratio with steady section recovery power from 3.5 times, it is ensured that weak intensity structure is divided
In vitro safe buffering reclaims.
Accompanying drawing explanation
Fig. 1 is that the low of a kind of hierarchical loading of the present invention crosses punching brake recovery system brake system schematic diagram；
In figure: 1, low pressure manual pressure regulating valve；2, low pressure accumulator；3, low pressure line；4, low voltage electromagnetic
Valve；5, low pressure check valve；6, low pressure hand-operated valve；7, high pressure hand-operated pressure regulator valve；8, high pressure accumulator；9、
Pressure duct；10, high-pressure solenoid valve；11, high pressure check valve；12, high pressure hand-operated valve；13, pressure passes
Sensor；14, vent valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
As it is shown in figure 1, the low of a kind of hierarchical loading crosses punching brake recovery system, including braking gas source, accumulation of energy
Device, pipeline, check valve, pressure transducer, vent valve and brake gear, wherein, in braking gas source
High-pressure brake source of the gas is connected with pressure duct 9, provides high brake pressure for pressure duct 9；Braking gas source
In low pressure braking gas source be connected with low pressure line 3, provide low brake pressure for low pressure line 3；Low pressure
The brake gear reclaiming load is produced with the back segment of pressure duct 9 after the back segment of pipeline 3 communicates and for chorista
It is connected, and is separately installed with pressure sensing on the pipeline after low pressure line 3 is connected with pressure duct 9
Device 14 and vent valve 14, wherein, brake gear includes brake support and the cylinder being arranged on base, passes through
It is wrapped in cable wire on cylinder to move together with chorista, reclaims load and pass to chorista by cylinder, it is achieved
Recovery to chorista；Leading portion at low pressure line 3 is sequentially installed with low pressure manual pressure regulating valve 1, low pressure accumulation of energy
Device 2, low-voltage solenoid valve 4 and low pressure check valve 5, and at low-voltage solenoid valve 4 and low pressure check valve 5 two ends
Low pressure line 3 on be parallel with low pressure hand-operated valve 6；Leading portion at pressure duct 9 is sequentially installed with high pressure hand-operated
Pressure regulator valve 7, high pressure accumulator 8, high-pressure solenoid valve 10 and high pressure check valve 11, and in high-pressure solenoid valve
10 are parallel with high pressure hand-operated valve 12 on the pressure duct 9 at high pressure check valve 11 two ends.
The low of a kind of hierarchical loading crosses punching brake recovery system recovery method, and the method specifically includes following steps:
Step 1, the pressure adjusted in pressure duct and low pressure line, and isolate during regulation between gas circuit
Interference；
Before system works, close that low pressure is unidirectional and high pressure check valve, during isolation regulation between gas circuit
Interference；Low pressure line and pressure duct is adjusted respectively by low pressure manual pressure regulating valve and high pressure hand-operated pressure regulator valve
Interior air pressure；
When step 2, system starts, opening low pressure line, brake gear produced the less recovery of punching and carried
Lotus；
During system starts, closing low pressure hand-operated valve, open low pressure check valve, low-voltage solenoid valve starts,
Low-pressure gas in low pressure braking gas source and low pressure accumulator enters brake gear, brake by low-voltage solenoid valve
Device produces brake load, and owing to air pressure is relatively low, brake load is less in the punching excessively of the initial segment；
After the work of step 3, system starts a period of time, open pressure duct, increase brake gear and reclaim load,
The big nothing reclaimed under load is crossed refunds and is received；
After low pressure line opens certain time, the height that the closedown of high pressure hand-operated valve, low pressure check valve are opened
In pressure pipe road, starting high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator are by height
Pressure electromagnetic valve enters brake gear, increases the recovery load of brake gear；Owing to brake load comes into
Steady section, gases at high pressure produce brake load there is no punching, it is achieved that during whole the initial segment cross rush little,
Steady section reclaims the big chorista of power and reclaims.
After step 4, chorista reclaim, pressure duct is put with gas in low pressure line only；
Chorista reclaim complete after, close low pressure manual pressure regulating valve and high pressure hand-operated pressure regulator valve, and open and put
Gas within low pressure line and pressure duct is put only by air valve.
Claims (10)
1. the low of hierarchical loading crosses a punching brake recovery system, including braking gas source, pipeline, brake gear,
Braking gas source provides air pressure by pipeline for brake gear, produces and reclaims load, and wherein, brake gear includes
The brake support being arranged on base and cylinder, moved together with chorista by the cable wire being wrapped on cylinder,
Reclaim load and pass to chorista by cylinder, it is achieved the recovery to chorista, it is characterised in that: described
Braking gas source includes high-pressure brake source of the gas and low pressure braking gas source, and wherein, described high-pressure brake source of the gas is with high
Pressure pipe road (9) is connected, and provides high brake pressure for pressure duct (9)；Described low pressure braking gas source
It is connected with low pressure line (3), provides low brake pressure for low pressure line (3)；Described low pressure line
(3) back segment is connected with brake gear, in described low pressure after communicating with the back segment of pressure duct (9)
The leading portion of pipeline (3) is provided with low-voltage solenoid valve (4), and the leading portion at described pressure duct (9) is provided with height
Pressure electromagnetic valve (10).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: the pipeline that described low pressure line (3) is connected with pressure duct (9) is provided with pressure transducer (14).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: the pipeline that described low pressure line (3) is connected with pressure duct (9) is provided with vent valve (14).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: on low pressure line (3) leading portion near described low-voltage solenoid valve (4), it is additionally provided with low pressure check valve
(5), and it is parallel with on the low pressure line (3) at low-voltage solenoid valve (4) and low pressure check valve (5) two ends
Low pressure hand-operated valve (6).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: on pressure duct (9) leading portion near described high-pressure solenoid valve (10), it is additionally provided with high pressure check valve
(11), and on the pressure duct (9) at high-pressure solenoid valve (10) and high pressure check valve (11) two ends also
It is associated with high pressure hand-operated valve (12).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: manually adjust being sequentially provided with low pressure on low pressure line (3) leading portion described in described low pressure braking gas source
Joint valve (1) and low pressure accumulator (2).
The low of a kind of hierarchical loading the most according to claim 1 crosses punching brake recovery system, and its feature exists
In: on pressure duct (9) leading portion described in described high-pressure brake source of the gas, it is being sequentially provided with high pressure hand-operated tune
Joint valve (7) and high pressure accumulator (8).
8. the low recovery method crossing punching brake recovery system of a hierarchical loading, it is characterised in that: the method
Specifically include following steps:
Step 1, the pressure adjusted in the pressure duct and low pressure line being connected with brake gear, and isolate tune
Interference between gas circuit during joint；
At step 2, the recovery system work initial stage, open low pressure line, produce less the returning of punching at brake gear
Record lotus；
Step 3, recovery system worked after a period of time, opened pressure duct, increased brake gear and reclaimed load,
The big nothing reclaimed under load of realization crosses refunds receipts；
After step 4, separation and recovery, pressure duct is put with the gas in low pressure line only.
The low recovery method crossing punching brake recovery system of a kind of hierarchical loading the most according to claim 8,
It is characterized in that: described step 2 specifically includes:
During system starts, closing low pressure hand-operated valve, open low pressure check valve, low-voltage solenoid valve starts,
Low-pressure gas in low pressure braking gas source and low pressure accumulator enters brake gear, brake by low-voltage solenoid valve
Device produces brake load, and owing to air pressure is relatively low, brake load is less in the punching excessively of the initial segment.
The low recovery side crossing punching brake recovery system of a kind of hierarchical loading the most according to claim 8
Method, it is characterised in that: described step 3 specifically includes:
After described low pressure line opens certain time, the closedown of high pressure hand-operated valve, low pressure check valve are opened
In the pressure duct opened, start high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator
Enter brake gear by high-pressure solenoid valve, increase the recovery load of brake gear；Due to brake load
Through entering steady section, the brake load that gases at high pressure produce did not had punching, it is achieved that the initial segment during whole
Cross and rush chorista recovery little, that steady section recovery power is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510344856.5A CN106321530B (en) | 2015-06-19 | 2015-06-19 | The low overshoot brake recovery system and its recovery method of a kind of hierarchical loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510344856.5A CN106321530B (en) | 2015-06-19 | 2015-06-19 | The low overshoot brake recovery system and its recovery method of a kind of hierarchical loading |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321530A true CN106321530A (en) | 2017-01-11 |
| CN106321530B CN106321530B (en) | 2018-03-16 |
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ID=57727417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510344856.5A Active CN106321530B (en) | 2015-06-19 | 2015-06-19 | The low overshoot brake recovery system and its recovery method of a kind of hierarchical loading |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL426071A1 (en) * | 2018-06-26 | 2019-01-28 | Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie | System and method for recovery of compressed gas waste energy |
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| Publication number | Publication date |
|---|---|
| CN106321530B (en) | 2018-03-16 |
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