CN211398121U - Compressed air recovery system for hydraulic cylinder test - Google Patents
Compressed air recovery system for hydraulic cylinder test Download PDFInfo
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- CN211398121U CN211398121U CN201922127409.0U CN201922127409U CN211398121U CN 211398121 U CN211398121 U CN 211398121U CN 201922127409 U CN201922127409 U CN 201922127409U CN 211398121 U CN211398121 U CN 211398121U
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Abstract
The utility model relates to a hydraulic cylinder test technical field just discloses a hydraulic cylinder is experimental with compressed air recovery system, including hydro-cylinder, hydraulic cylinder test bench, high-pressure gas holder, oil and gas separator, air compressor, desicator and retrieve the low pressure gas holder, the one end of hydraulic cylinder test bench is connected with the one end of hydro-cylinder, the one end and the hydro-cylinder of high-pressure gas holder are connected, oil and gas separator's one end and hydro-cylinder are connected. This experimental compressed air recovery system of using of hydraulic cylinder through having set up the switching-over valve and retrieving the low pressure gas holder, will be originally the leading-in low pressure jar of the used compressed air who directly discharges through the switching-over valve and save, let the air compression press acquire the air from the low pressure jar earlier when waiting to use, just acquire the air from the atmosphere when not enough, so not only can greatly reduced air compressor's energy consumption, prolong its life-span, avoided the influence of direct discharge to the surrounding environment moreover.
Description
Technical Field
The utility model relates to a hydraulic cylinder test technical field specifically is a hydraulic cylinder is experimental with compressed air recovery system.
Background
After the existing hydraulic oil cylinder test is finished, hydraulic oil in the oil cylinder needs to be discharged, if the oil hole of the oil cylinder is too small or a valve group is installed, oil cannot be poured out, only compressed air can be used for connecting an oil-free cavity of the oil cylinder and extruding oil in another cavity of the oil cylinder, after the oil liquid is discharged, the compressed air is cut off, gas in the oil cylinder is discharged into the air, and the operation is finished; compressed air is introduced into the oil cylinder, the pressure of the compressed air is not completely lost when the compressed air is discharged, the pressure of the compressed air used by the inventor is 0.75MPa, the pressure of the compressed air still ranges from 0.3 MPa to 0.5MPa when the compressed air is discharged, energy waste is very large, and in order to recycle the energy and achieve the purposes of energy conservation and emission reduction, a compressed air recovery system for a hydraulic cylinder test is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a hydraulic cylinder is experimental with compressed air recovery system possesses the energy waste that reduces, advantages such as energy saving and emission reduction have solved the problem that proposes among the above-mentioned background.
(II) technical scheme
The utility model provides a following technical scheme: the utility model provides a hydraulic cylinder is experimental with compressed air recovery system, includes hydro-cylinder, hydraulic cylinder test bench, high pressure gas holder, oil and gas separator, air compressor, desicator and retrieves low pressure gas holder, the one end of hydraulic cylinder test bench is connected with the one end of hydro-cylinder, the one end and the hydro-cylinder of high pressure gas holder are connected, oil and gas separator's one end and hydro-cylinder connection, air compressor's one end and the one end that the hydro-cylinder was kept away from to high pressure gas holder are connected, the one end and the one end of oil and gas separator of desicator are connected, the one end that the desicator was kept away from to low pressure gas holder is connected with the outside air to retrieve the one end.
Preferably, one end of the oil-gas separator and one end of the air compressor are connected with the oil cylinder through a reversing valve, an air outlet of the reversing valve is fixedly connected with an air inlet of the oil cylinder, and one end of the reversing valve, far away from the oil cylinder, is fixedly connected with the oil-gas separator and the air outlet of the air compressor respectively.
Preferably, one end of the recovery low-pressure air storage tank is provided with a one-way valve, one end of the one-way valve is fixedly connected with an air inlet of the recovery low-pressure air storage tank, and one end, far away from the recovery low-pressure air storage tank, of the one-way valve is connected with the outside air.
Preferably, the reversing valve is a three-position four-way electromagnetic reversing valve, and the reversing valve can also be a hydraulic control reversing valve or a manual reversing valve.
Preferably, the oil cylinder is not limited to a hydraulic oil cylinder, but can be other closed containers which need to be filled with compressed air for operation and need to discharge air after the operation is finished.
Preferably, the high pressure gas tank is an unnecessary component.
Preferably, one end of the hydraulic oil cylinder test bed is connected with an air outlet of the oil cylinder, and the other end of the hydraulic oil cylinder test bed is connected with an air inlet of the reversing valve.
Compared with the prior art, the utility model provides a hydraulic cylinder is experimental with compressed air recovery system possesses following beneficial effect:
1. this experimental compressed air recovery system of using of hydraulic cylinder, through having set up the switching-over valve and retrieving the low pressure gas holder, the leading-in low pressure jar of the used compressed air that will directly discharge originally is saved through the switching-over valve, it acquires the air from the low pressure jar earlier to let the air compression press when needing to use, just acquire the air from the atmosphere when not enough, like this not only can greatly reduced air compressor's energy consumption, prolong its life-span, and avoided the influence of direct discharge to the surrounding environment, make the device reach energy saving and emission reduction's effect when using.
2. This compressed air recovery system for hydraulic cylinder is experimental, not only practiced thrift the energy resource consumption greatly, can also improve the field work environment, the part that uses in this system adopts the standard component more simultaneously, and parts such as the original air compressor of mill, gas pitcher only need connect other parts of this system according to the principle, do not need special customization, reform transform simply fast, low cost.
Drawings
FIG. 1 is a schematic diagram of the test state of the oil cylinder of the present invention;
FIG. 2 is a schematic view of the oil discharging state of the oil cylinder of the present invention;
fig. 3 is a schematic view of the compressed air recovery state of the present invention.
Wherein: 1. an oil cylinder; 2. a diverter valve; 3. a hydraulic oil cylinder test bed; 4. a high pressure gas storage tank; 5. an oil-gas separator; 6. an air compressor; 7. a dryer; 8. a one-way valve; 9. and recovering the low-pressure gas storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a compressed air recycling system for a hydraulic cylinder test comprises an oil cylinder 1, a hydraulic cylinder test bed 3, a high-pressure air storage tank 4, an oil-gas separator 5, an air compressor 6, a dryer 7 and a recycling low-pressure air storage tank 9, wherein the oil cylinder 1 is not limited to a hydraulic cylinder, but can be used for introducing compressed air for operation, and other closed containers which need to discharge air after the operation is finished are provided, one end of the hydraulic cylinder test bed 3 is connected with one end of the oil cylinder 1, one end of the hydraulic cylinder test bed 3 is connected with an air outlet of the oil cylinder 1, the other end of the hydraulic cylinder test bed 3 is connected with an air inlet of a reversing valve 2, one end of the hydraulic cylinder test bed 3 is connected with a port B of the oil cylinder 1, the other end of the hydraulic cylinder test bed 3 is connected with a port A of, the air outlet of the high-pressure air storage tank 4 is connected with the opening A of the oil cylinder 1 through the reversing valve 2, the high-pressure air storage tank 4 is an unnecessary component, because many air compressors in the existing products are internally provided with air storage tanks, one end of the oil-gas separator 5 is connected with the oil cylinder 1, one end of the air compressor 6 is connected with one end of the high-pressure air storage tank 4 far away from the oil cylinder 1, the air outlet of the air compressor 6 is fixedly connected with the air inlet of the high-pressure air storage tank 4, one ends of the oil-gas separator 5 and the air compressor 6 are connected with the oil cylinder 1 through the reversing valve 2, the air outlet of the reversing valve 2 is fixedly connected with the air inlet of the oil cylinder 1, the reversing valve 2 is a three-position four-way electromagnetic reversing valve, the reversing valve 2 can also be a hydraulic control reversing valve or, one end of a dryer 7 is connected with one end of an oil-gas separator 5, one end of a recovery low-pressure gas storage tank 9 is connected with one end of the dryer 7 far away from the oil-gas separator 5, an inlet of the dryer 7 is fixedly connected with an outlet of the oil-gas separator 5, an outlet of the dryer 7 is connected with an inlet of the recovery low-pressure gas storage tank 9, one end of the recovery low-pressure gas storage tank 9 far away from the dryer 7 is connected with outside air, one end of the recovery low-pressure gas storage tank 9 is provided with a one-way valve 8, one end of the one-way valve 8 is fixedly connected with an air inlet of the recovery low-pressure gas storage tank 9, one end of the one-way valve 8 far away from the recovery low-pressure gas storage tank 9 is connected with outside air, the system innovatively uses a reversing valve 2 to guide used compressed air which is originally directly, when the air is insufficient, air is obtained from the atmosphere, so that the energy consumption of the air compressor 6 can be greatly reduced, the service life of the air compressor is prolonged, and the influence of direct discharge on the surrounding environment is avoided.
The working principle is as follows: the system has the following three working states:
state 1: in the oil cylinder test state, as shown in a schematic diagram 1, an opening A of an oil cylinder 1 is communicated with a hydraulic oil cylinder test bed 3 through a reversing valve 2, so that the oil cylinder 1 can normally perform a factory test;
state 2: when the oil cylinder 1 is tested, controlling a reversing valve 2 to disconnect an opening A of the oil cylinder 1 from a hydraulic oil cylinder test bed 3 and simultaneously communicate the opening A with a high-pressure air storage tank 4, enabling high-pressure air to enter the oil cylinder 1 through the opening A, and discharging hydraulic oil in the oil cylinder 1 from an opening B;
state 3: when the hydraulic oil in the port B is completely exhausted, the reversing valve 2 is controlled to communicate the port A of the oil cylinder 1 with the oil-gas separator 5, the compressed air with residual pressure in the oil cylinder 1 enters the recovery low-pressure air storage tank 9 through the oil-gas separator 5 and the dryer 7, and when the compressed air is in the recovery low-pressure air storage tank 9, the check valve 8 is in a closed state because the air pressure, so that the air compressor 6 can only obtain the air from the recovery low-pressure air storage tank 9, and the gas exhausted from the oil cylinder 1 can be fully recovered; when the gas in the oil cylinder 1 is exhausted, the recovery low-pressure gas storage tank 9 generates negative pressure due to the fact that the air compressor 6 absorbs the gas, the check valve 8 is opened automatically, the recovery low-pressure gas storage tank 9 is communicated with the atmosphere, and therefore the air compressor 6 can supplement the gas from the atmosphere.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a experimental compressed air recovery system that uses of hydraulic cylinder, includes hydro-cylinder (1), hydraulic cylinder test bench (3), high pressure gas holder (4), oil and gas separator (5), air compressor (6), desicator (7) and retrieves low pressure gas holder (9), its characterized in that: the one end of hydraulic cylinder test bench (3) is connected with the one end of hydro-cylinder (1), the one end and the hydro-cylinder (1) of high pressure gas holder (4) are connected, the one end and the hydro-cylinder (1) of oil and gas separator (5) are connected, the one end of air compressor (6) is connected with the one end that hydro-cylinder (1) were kept away from in high pressure gas holder (4), the one end and the one end of oil and gas separator (5) of desicator (7) are connected, the one end of retrieving low pressure gas holder (9) is connected with the one end that oil and gas separator (5) were kept away from in desicator (7), the one end that the desicator (7) were kept away from in low pressure gas holder (.
2. The compressed air recovery system for the hydraulic oil cylinder test according to claim 1, characterized in that: one ends of the oil-gas separator (5) and the air compressor (6) are connected with the oil cylinder (1) through the reversing valve (2), the gas outlet of the reversing valve (2) is fixedly connected with the gas inlet of the oil cylinder (1), and one end, far away from the oil cylinder (1), of the reversing valve (2) is fixedly connected with the gas outlets of the oil-gas separator (5) and the air compressor (6) respectively.
3. The compressed air recovery system for the hydraulic oil cylinder test according to claim 1, characterized in that: one end of the recovery low-pressure air storage tank (9) is provided with a check valve (8), one end of the check valve (8) is fixedly connected with an air inlet of the recovery low-pressure air storage tank (9), and one end of the recovery low-pressure air storage tank (9) is far away from the check valve (8) and is connected with the outside air.
4. The compressed air recovery system for the hydraulic oil cylinder test according to claim 2, characterized in that: the reversing valve (2) is a three-position four-way electromagnetic reversing valve, and the reversing valve (2) is a hydraulic control reversing valve or a manual reversing valve.
5. The compressed air recovery system for the hydraulic oil cylinder test according to claim 1, characterized in that: the oil cylinder (1) is a hydraulic oil cylinder or a closed container which needs to be filled with compressed air for operation and needs to discharge air after the operation is finished.
6. The compressed air recovery system for the hydraulic oil cylinder test according to claim 1, characterized in that: the high-pressure air storage tank (4) is an unnecessary component.
7. The compressed air recovery system for the hydraulic oil cylinder test according to claim 1, characterized in that: one end of the hydraulic oil cylinder test bed (3) is connected with an air outlet of the oil cylinder (1), and the other end of the hydraulic oil cylinder test bed (3) is connected with an air inlet of the reversing valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127409.0U CN211398121U (en) | 2019-12-03 | 2019-12-03 | Compressed air recovery system for hydraulic cylinder test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127409.0U CN211398121U (en) | 2019-12-03 | 2019-12-03 | Compressed air recovery system for hydraulic cylinder test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398121U true CN211398121U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127409.0U Active CN211398121U (en) | 2019-12-03 | 2019-12-03 | Compressed air recovery system for hydraulic cylinder test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398121U (en) |
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2019
- 2019-12-03 CN CN201922127409.0U patent/CN211398121U/en active Active
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