CN205715070U - A kind of pneumatic oil draining system of hydraulic jack - Google Patents
A kind of pneumatic oil draining system of hydraulic jack Download PDFInfo
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- CN205715070U CN205715070U CN201620364250.8U CN201620364250U CN205715070U CN 205715070 U CN205715070 U CN 205715070U CN 201620364250 U CN201620364250 U CN 201620364250U CN 205715070 U CN205715070 U CN 205715070U
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- hydraulic jack
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- oil extraction
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Abstract
This utility model relates to the pneumatic oil draining system of a kind of hydraulic jack.Including gas supply mechanism and filter mechanism；Gas supply mechanism includes reversal valve, air relief valve, water-separating gas filter and the compression gas tank being sequentially connected in series；Filter mechanism includes return filter and hydraulic oil container；Gas supply mechanism connects the rodless cavity treating oil extraction hydraulic jack by snap joint, and described oil strain mechanism connects the rod chamber treating oil extraction hydraulic jack by snap joint；During work, opening reversal valve, compressed air enters the rodless cavity treating oil extraction hydraulic jack, promotes piston to rod chamber one side shifting, makes hydraulic oil discharge and treat oil extraction hydraulic jack, and reclaim through filter mechanism.This utility model uses compressed air quickly to discharge the hydraulic oil in hydraulic jack, and the oil extraction time shortens to about 20 seconds, substantially increases oil extraction efficiency；Using return filter to filter the hydraulic oil discharged, the hydraulic oil after filtration returns to hydraulic oil container, it is achieved hydraulic oil recycles, cost-effective.
Description
Technical field
This utility model belongs to truck hydraulic device experimental technique field, is specifically related to after hydraulic jack has been tested for getting rid of the device of hydraulic oil in hydraulic jack.
Background technology
Hydraulic jack needs venting to there is the hydraulic oil in hydraulic jack after having tested, at present, the general method used is the hydraulic fluid port of hydraulic jack down, utilizes the effect of gravity, allows the hydraulic oil in hydraulic jack naturally flow out, reaches the purpose of oil extraction.The method need not additionally increase equipment, low cost, but there are the following problems: oil extraction elapsed time is long, and the oil extraction time is 5-10 minute, and efficiency is low；The hydraulic oil discharged can not be reused, and causes the wasting of resources.
Utility model content
In order to solve hydraulic jack tested rear venting hydraulic oil time-consumingly long, efficiency is low, the hydraulic oil of discharge can not reusable problem, this utility model provides the pneumatic oil draining system of a kind of hydraulic jack.
The pneumatic oil draining system of a kind of hydraulic jack includes gas supply mechanism and filter mechanism；
Described gas supply mechanism includes reversal valve 6, air relief valve 7, water-separating gas filter 8 and the compression gas tank 9 being sequentially connected in series；
Described filter mechanism includes return filter 2 and hydraulic oil container 1；
Described gas supply mechanism connects, by the first snap joint 5, the rodless cavity treating oil extraction hydraulic jack 4, and described oil strain mechanism connects, by the second snap joint 3, the rod chamber treating oil extraction hydraulic jack 4；
During work, opening reversal valve 6, compressed air air enters the rodless cavity treating oil extraction hydraulic jack 4, promotes piston to rod chamber one side shifting, makes hydraulic oil discharge and treat oil extraction hydraulic jack 4, and reclaim through filter mechanism.
The technical solution limited further is as follows:
Described reversal valve 6 is bi-bit bi-pass reversal valve；The outlet of air relief valve 7 the P mouth of bi-bit bi-pass reversal valve, and the A mouth of bi-bit bi-pass reversal valve connects the import of the first snap joint 5, and the outlet of the first snap joint 5 rodless cavity treating oil extraction hydraulic jack 4.
Described air relief valve 7 is overflow-type direct acting type air reducing valve.
Described water-separating gas filter 8 is manual drainage type water-separating gas filter.
Described return filter 2 is low-pressure filter.
Advantageous Effects of the present utility model is embodied in following aspect:
1. this utility model uses compressed air quickly to discharge the hydraulic oil in hydraulic jack, and the oil extraction time shortens to about 20 seconds, substantially increases oil extraction efficiency high.
2. using return filter to filter the hydraulic oil discharged, the hydraulic oil after filtration returns to hydraulic oil container, it is achieved hydraulic oil recycles, cost-effective.
Accompanying drawing explanation
Fig. 1 is this utility model structural principle schematic diagram；
Sequence number in upper figure: hydraulic oil container 1, return filter the 2, first snap joint 3, treat the 4, second snap joint 5 of oil extraction hydraulic jack, reversal valve 6, air relief valve 7, water-separating gas filter 8, compression gas tank 9.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, the utility model is further described.
Seeing Fig. 1, the pneumatic oil draining system of a kind of hydraulic jack includes gas supply mechanism and filter mechanism.
Gas supply mechanism includes reversal valve 6, air relief valve 7, water-separating gas filter 8 and the compression gas tank 9 being sequentially connected in series；Reversal valve 6 is bi-bit bi-pass reversal valve；The outlet of air relief valve 7 the P mouth of bi-bit bi-pass reversal valve, and the A mouth of bi-bit bi-pass reversal valve connects the import of the first snap joint 5, and the outlet of the first snap joint 5 rodless cavity treating oil extraction hydraulic jack 4.
Filter mechanism includes return filter 2 and hydraulic oil container 1；Oil strain mechanism connects, by the second snap joint 3, the rod chamber treating oil extraction hydraulic jack 4.
Air relief valve 7 is overflow-type direct acting type air reducing valve, model QTY-8, maximum working pressure: 1MPa.Water-separating gas filter 8 is manual drainage type water-separating gas filter, model QSL-8-S1, maximum working pressure: 1MPa, nominal uses flow: 5m3/ h, filtering accuracy: 50 m.Return filter 2 is low-pressure filter, and model is PLC160MD10B5, filtering accuracy: 10 m.
Operation principle of the present utility model is described as follows:
When oil extraction hydraulic jack 4 needs oil extraction, the first snap joint 3 and the second snap joint 5 is utilized to treat that oil extraction hydraulic jack 4 and gas supply mechanism and filter mechanism couple together, operator ride on bi-bit bi-pass reversal valve 6, now this reversal valve is in right position, the compressed air of compression gas tank 9 output is through water-separating gas filter 8, air relief valve 7 is to the P mouth of bi-bit bi-pass reversal valve 6, inside at foot control bi-bit bi-pass reversal valve 6, compressed air from P mouth to A mouth, A mouth output compressed air through the second snap joint 5 to the rodless cavity treating oil extraction hydraulic jack 4, promote and treat that the piston of oil extraction hydraulic jack 4 is to left movement, treat that the hydraulic oil in oil extraction hydraulic jack 4 rod chamber is through the first snap joint 3, 2 times hydraulic oil containers of return filter.When, when the piston movement of oil extraction hydraulic jack 4 is to extreme position on the left of oil cylinder, operator unclamp bi-bit bi-pass reversal valve 6, and oil extraction completes.
Claims (5)
1. the pneumatic oil draining system of a hydraulic jack, it is characterised in that: include gas supply mechanism and filter mechanism；
Described gas supply mechanism includes reversal valve (6), air relief valve (7), water-separating gas filter (8) and the compression gas tank (9) being sequentially connected in series；
Described filter mechanism includes return filter (2) and hydraulic oil container (1)；
Described gas supply mechanism connects, by the first snap joint (5), the rodless cavity treating oil extraction hydraulic jack (4), and described filter mechanism connects, by the second snap joint (3), the rod chamber treating oil extraction hydraulic jack (4)；
During work, opening reversal valve (6), compressed air enters the rodless cavity treating oil extraction hydraulic jack (4), promotes piston to rod chamber one side shifting, makes hydraulic oil discharge and treat oil extraction hydraulic jack (4), and reclaim through filter mechanism.
The pneumatic oil draining system of a kind of hydraulic jack the most according to claim 1, it is characterised in that: described reversal valve (6) is bi-bit bi-pass reversal valve；The outlet of air relief valve (7) the P mouth of bi-bit bi-pass reversal valve, the A mouth of bi-bit bi-pass reversal valve connects the import of the first snap joint (5), and the outlet of the first snap joint (5) the rodless cavity treating oil extraction hydraulic jack (4).
The pneumatic oil draining system of a kind of hydraulic jack the most according to claim 1, it is characterised in that: described air relief valve (7) is overflow-type direct acting type air reducing valve.
The pneumatic oil draining system of a kind of hydraulic jack the most according to claim 1, it is characterised in that: described water-separating gas filter (8) is manual drainage type water-separating gas filter.
The pneumatic oil draining system of a kind of hydraulic jack the most according to claim 1, it is characterised in that: described return filter (2) is low-pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620364250.8U CN205715070U (en) | 2016-04-27 | 2016-04-27 | A kind of pneumatic oil draining system of hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620364250.8U CN205715070U (en) | 2016-04-27 | 2016-04-27 | A kind of pneumatic oil draining system of hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205715070U true CN205715070U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620364250.8U Active CN205715070U (en) | 2016-04-27 | 2016-04-27 | A kind of pneumatic oil draining system of hydraulic jack |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822628A (en) * | 2016-04-27 | 2016-08-03 | 安徽合力股份有限公司 | Pneumatic oil discharge system of hydraulic oil cylinder |
| CN108088170A (en) * | 2017-12-25 | 2018-05-29 | 山东联星能源集团有限公司 | Five in one new energy sells demonstration centre volatilization gas recovery system |
| CN110722125A (en) * | 2019-11-27 | 2020-01-24 | 深圳市昊翔压铸制品有限公司 | Casting and forging integrated die-casting method |
-
2016
- 2016-04-27 CN CN201620364250.8U patent/CN205715070U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822628A (en) * | 2016-04-27 | 2016-08-03 | 安徽合力股份有限公司 | Pneumatic oil discharge system of hydraulic oil cylinder |
| CN108088170A (en) * | 2017-12-25 | 2018-05-29 | 山东联星能源集团有限公司 | Five in one new energy sells demonstration centre volatilization gas recovery system |
| CN108088170B (en) * | 2017-12-25 | 2020-05-01 | 山东联星能源集团有限公司 | A volatile gas recovery system |
| CN110722125A (en) * | 2019-11-27 | 2020-01-24 | 深圳市昊翔压铸制品有限公司 | Casting and forging integrated die-casting method |
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