CN106321530B - The low overshoot brake recovery system and its recovery method of a kind of hierarchical loading - Google Patents
The low overshoot brake recovery system and its recovery method of a kind of hierarchical loading Download PDFInfo
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- CN106321530B CN106321530B CN201510344856.5A CN201510344856A CN106321530B CN 106321530 B CN106321530 B CN 106321530B CN 201510344856 A CN201510344856 A CN 201510344856A CN 106321530 B CN106321530 B CN 106321530B
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Abstract
The present invention relates to space experiment part recovery technology field, the low overshoot brake recovery system and its recovery method of a kind of hierarchical loading are specifically disclosed.Braking gas source includes high-pressure brake source of the gas and low pressure braking gas source in the brake recovery system, wherein, described high-pressure brake source of the gas is connected with pressure duct, and high brake pressure is provided for pressure duct；Described low pressure braking gas source is connected with low pressure line, and low brake pressure is provided for low pressure line；The back segment of described low pressure line and the back segment of pressure duct are connected after communicating with brake gear, are provided with low-voltage solenoid valve in the leading portion of described low pressure line, high-pressure solenoid valve is provided with the leading portion of described pressure duct.The covering device will cross impulse force and the ratio of steady section recovery power be reduced to 2 times from 3.5 times, ensure that the safe buffering recovery of weak intensity structure chorista when the chorista to movement velocity 12m/s reclaims.
Description
Technical field
The invention belongs to space experiment part recovery technology field, and in particular to a kind of low overshoot brake recovery of hierarchical loading
System and its recovery method.
Background technology
In the large-scale ground separation test of space industry, in order that testpieces can repeat test of many times, it is necessary to
By testpieces safe retrieving, in particular for the weaker product of some structural strengths, it is necessary to the size of strict control recovery power, protect
Demonstrate,prove the safety of product.
Existing brake buffering recovery test system, using the teaching of the invention it is possible to provide the largest of about 10t recovery pulling force, but the system is present back
The problem of impulse force is larger was received, when separation speed of moving body is more than 8m/s, the size for crossing impulse force is 3.5 times of steady section, difficult
To realize the safe retrieving to the weaker product of structural strength.
The content of the invention
It is an object of the invention to provide a kind of low overshoot of hierarchical loading brake recovery system and its recovery method, protecting
Demonstrate,prove steady section recovery power size it is constant in the case of, greatly reduce the initial segment recovery impulse force, successfully solve big chi
The recovery problem of very little quality, weak structure intensity chorista, saves experimentation cost and cycle.
Technical scheme is as follows：A kind of low overshoot brake recovery system of hierarchical loading, including braking gas source, pipe
Road, brake gear, braking gas source provide air pressure by pipeline for brake gear, produce recovery load, wherein, brake gear includes
The brake support and roller being arranged on base, moved by the cable wire being wrapped on roller together with chorista, reclaim load
Chorista is passed to by roller, realizes 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, wherein, described high-pressure brake source of the gas is connected with pressure duct, and high system is provided for pressure duct
Dynamic pressure；Described low pressure braking gas source is connected with low pressure line, and low brake pressure is provided for low pressure line；Described low pressure
The back segment of pipeline and the back segment of pressure duct are connected after communicating with brake gear, are provided with the leading portion of described low pressure line low
Pressure electromagnetic valve, high-pressure solenoid valve is provided with the leading portion of described pressure duct.
The pipeline that described low pressure line is connected with pressure duct is provided with pressure sensor.
The pipeline that described low pressure line is connected with pressure duct is provided with vent valve.
Low pressure check valve is additionally provided with the low pressure line leading portion close to described low-voltage solenoid valve, and in low-voltage solenoid valve
Low pressure hand-operated valve is parallel with the low pressure line at low pressure check valve both ends.
High pressure check valve is additionally provided with the pressure duct leading portion close to described high-pressure solenoid valve, and in high-pressure solenoid valve
High pressure hand-operated valve is parallel with the pressure duct at high pressure check valve both ends.
Low pressure manual modulation valve and low is sequentially provided with the low pressure line leading portion described in the low pressure braking gas source
Press accumulator.
High pressure hand-operated regulating valve and height are being sequentially provided with the pressure duct leading portion described in the high-pressure brake source of the gas
Press accumulator.
A kind of recovery method of the low overshoot brake recovery system of hierarchical loading, this method specifically comprise the following steps：
Pressure in pressure duct and low pressure line that step 1, adjustment are connected with brake gear, and isolate regulation process
Interference between middle gas circuit；
Step 2, recovery system preliminary work, low pressure line is opened, produced in brake gear and overshoot less recovery load；
Step 3, after recovery system work a period of time, pressure duct is opened, increase brake gear recovery load, is realized big
Reclaim being reclaimed without overshoot under load；
After step 4, separation and recovery, the gas in pressure duct and low pressure line is put only.
Described step 2 specifically includes：
During system starts, low pressure hand-operated valve is closed, opens low pressure check valve, low-voltage solenoid valve starts, low pressure braking
Low-pressure gas in source of the gas and low pressure accumulator enters brake gear by low-voltage solenoid valve, and brake gear produces brake load,
Because air pressure is relatively low, brake load is smaller in the overshoot of the initial segment.
Described step 3 specifically includes：
After described low pressure line opens certain time, closed for high pressure hand-operated valve, the height that low pressure check valve is opened
In pressure pipe road, start high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator are entered by high-pressure solenoid valve
Enter brake gear, increase the recovery load of brake gear；Because brake load comes into steady section, caused by gases at high pressure
Brake load does not overshoot, and realizes in whole process the chorista recovery that the initial segment overshoot is small, steady section recovery power is big.
The remarkable result of the present invention is：A kind of hierarchical loading of the present invention low overshoot brake recovery system and its
Recovery method, by way of hierarchical loading, the quickly and orderly supply of brake pressure from low to high is realized, is supplied in the initial segment low
Brake pressure, reduced impulse force, into steady section after supply high brake pressure, ensure that the size of recovery power meets the requirements.The set
Device will cross impulse force and the ratio of steady section recovery power drop from 3.5 times when the chorista to movement velocity 12m/s reclaims
Low is 2 times, ensure that the safe buffering recovery of weak intensity structure chorista.
Brief description of the drawings
Fig. 1 is a kind of low overshoot brake recovery system brake system schematic diagram of hierarchical loading of the present invention；
In figure：1st, low pressure manual pressure regulating valve；2nd, low pressure accumulator；3rd, low pressure line；4th, low-voltage solenoid valve；5th, low pressure is unidirectional
Valve；6th, low pressure hand-operated valve；7th, high pressure hand-operated pressure regulator valve；8th, high pressure accumulator；9th, pressure duct；10th, high-pressure solenoid valve；11st, it is high
Press check valve；12nd, high pressure hand-operated valve；13rd, pressure sensor；14th, vent valve.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in figure 1, a kind of hierarchical loading low overshoot brake recovery system, including braking gas source, accumulator, pipeline,
Check valve, pressure sensor, vent valve and brake gear, wherein, high-pressure brake source of the gas and pressure duct 9 in braking gas source
It is connected, high brake pressure is provided for pressure duct 9；Low pressure braking gas source in braking gas source is connected with low pressure line 3, is
Low pressure line 3 provides low brake pressure；Produced after the back segment of low pressure line 3 communicates with the back segment of pressure duct 9 and for chorista
The brake gear of recovery load is connected, and is separately installed with pressure on the pipeline after low pressure line 3 is connected with pressure duct 9
Force snesor 13 and vent valve 14, wherein, brake gear includes the brake support and roller being arranged on base, by being wrapped in
Cable wire moves together with chorista on roller, and recovery load passes to chorista by roller, realizes the recovery to chorista；
It is unidirectional that the leading portion of low pressure line 3 is sequentially installed with low pressure manual pressure regulating valve 1, low pressure accumulator 2, low-voltage solenoid valve 4 and low pressure
Valve 5, and it is parallel with low pressure hand-operated valve 6 on the low pressure line 3 at low-voltage solenoid valve 4 and the both ends of low pressure check valve 5；In pressure duct
9 leading portion 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
High pressure hand-operated valve 12 is parallel with the pressure duct 9 at high-pressure solenoid valve 10 Yu the both ends of high pressure check valve 11.
A kind of low overshoot brake recovery system recovery method of hierarchical loading, this method specifically comprise the following steps：
Pressure in step 1, adjustment pressure duct and low pressure line, and isolate the interference during regulation between gas circuit；
Before system work, close that low pressure is unidirectional and high pressure check valve, the interference during isolation regulation between gas circuit；
Adjust the air pressure in low pressure line and pressure duct respectively by low pressure manual pressure regulating valve and high pressure hand-operated pressure regulator valve；
When step 2, system starts, low pressure line is opened, brake gear, which produces, overshoots less recovery load；
During system starts, low pressure hand-operated valve is closed, opens low pressure check valve, low-voltage solenoid valve starts, low pressure braking
Low-pressure gas in source of the gas and low pressure accumulator enters brake gear by low-voltage solenoid valve, and brake gear produces brake load,
Because air pressure is relatively low, brake load is smaller in the overshoot of the initial segment；
After step 3, system work start a period of time, pressure duct, increase brake gear recovery load, big recovery are opened
Being reclaimed without overshoot under load；
After low pressure line opens certain time, closed for high pressure hand-operated valve, the pressure duct that high pressure check valve is opened
In, start high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator pass through high-pressure solenoid valve and enter brake
Device, increase the recovery load of brake gear；Because brake load comes into steady section, brake caused by gases at high pressure carries
Lotus does not overshoot, and realizes in whole process the chorista recovery that the initial segment overshoot is small, steady section recovery power is big.
After step 4, chorista recovery, gas in pressure duct and low pressure line is put only；
After chorista recovery is complete, low pressure manual pressure regulating valve and high pressure hand-operated pressure regulator valve are closed, and opens vent valve and incites somebody to action
Gas inside low pressure line and pressure duct is put only.
Claims (10)
1. a kind of low overshoot brake recovery system of hierarchical loading, including braking gas source, pipeline, brake gear, braking gas source lead to
Cross pipeline and provide air pressure for brake gear, produce recovery load, wherein, brake gear includes the brake support being arranged on base
And roller, moved by the cable wire being wrapped on roller together with chorista, recovery load passes to chorista by roller, real
Now to the recovery of chorista, it is characterised in that：Described braking gas source includes high-pressure brake source of the gas and low pressure braking gas source, its
In, described high-pressure brake source of the gas is connected with pressure duct (9), and high brake pressure is provided for pressure duct (9)；Described is low
Pressure braking gas source is connected with low pressure line (3), and low brake pressure is provided for low pressure line (3)；Described low pressure line (3)
The back segment of back segment and pressure duct (9) is connected after communicating with brake gear, is provided with the leading portion of described low pressure line (3) low
Pressure electromagnetic valve (4), high-pressure solenoid valve (10) is provided with the leading portion of described pressure duct (9).
A kind of 2. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Described is low
The pipeline that pressure pipe road (3) is connected with pressure duct (9) is provided with pressure sensor (13).
A kind of 3. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Described is low
The pipeline that pressure pipe road (3) is connected with pressure duct (9) is provided with vent valve (14).
A kind of 4. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Close to institute
It is additionally provided with low pressure check valve (5) on low pressure line (3) leading portion for the low-voltage solenoid valve (4) stated, and in low-voltage solenoid valve (4) and low
Low pressure hand-operated valve (6) is parallel with low pressure line (3) between pressure check valve (5) both ends.
A kind of 5. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Close to institute
High pressure check valve (11) is additionally provided with pressure duct (9) leading portion for the high-pressure solenoid valve (10) stated, and in high-pressure solenoid valve (10)
High pressure hand-operated valve (12) is parallel with pressure duct (9) between high pressure check valve (11) both ends.
A kind of 6. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Close to institute
State and be sequentially provided with low pressure manual modulation valve (1) and low pressure accumulator on low pressure line (3) leading portion described in low pressure braking gas source
(2)。
A kind of 7. low overshoot brake recovery system of hierarchical loading according to claim 1, it is characterised in that：Close to institute
State and be sequentially provided with high pressure hand-operated regulating valve (7) and high pressure accumulator on pressure duct (9) leading portion described in high-pressure brake source of the gas
(8)。
A kind of 8. recovery method of the low overshoot brake recovery system of hierarchical loading, it is characterised in that：This method specifically include as
Lower step：
Pressure in pressure duct and low pressure line that step 1, adjustment are connected with brake gear, and isolate gas during regulation
Interference between road；
Step 2, recovery system preliminary work, low pressure line is opened, produced in brake gear and overshoot less recovery load；
Step 3, after recovery system work a period of time, pressure duct is opened, increase brake gear recovery load, realizes big recovery
Being reclaimed without overshoot under load；
After step 4, separation and recovery, the gas in pressure duct and low pressure line is put only.
9. a kind of recovery method of the low overshoot brake recovery system of hierarchical loading according to claim 8, its feature exist
In：Described step 2 specifically includes：
During system starts, low pressure hand-operated valve is closed, opens low pressure check valve, low-voltage solenoid valve starts, low pressure braking gas source
Brake gear is entered by low-voltage solenoid valve with the low-pressure gas in low pressure accumulator, brake gear produces brake load, due to
Air pressure is relatively low, and brake load is smaller in the overshoot of the initial segment.
10. a kind of recovery method of the low overshoot brake recovery system of hierarchical loading according to claim 8, its feature exist
In：Described step 3 specifically includes：
After described low pressure line opens certain time, closed for high pressure hand-operated valve, the high-voltage tube that high pressure check valve is opened
Lu Zhong, start high-pressure solenoid valve, the gases at high pressure in high-pressure brake source of the gas and high pressure accumulator, which pass through high-pressure solenoid valve and entered, to be stopped
Car device, increase the recovery load of brake gear；Because brake load comes into steady section, braked caused by gases at high pressure
Load does not overshoot, and realizes in whole process the chorista recovery that the initial segment overshoot is small, 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 |
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| 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 |
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| Publication Number | Publication Date |
|---|---|
| CN106321530A CN106321530A (en) | 2017-01-11 |
| CN106321530B true CN106321530B (en) | 2018-03-16 |
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| PL240888B1 (en) * | 2018-06-26 | 2022-06-20 | Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie | System and method for recovery of compressed gas waste energy |
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| CN106321530A (en) | 2017-01-11 |
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