CN201065314Y - Hydraulic jack - Google Patents
Hydraulic jack Download PDFInfo
- Publication number
- CN201065314Y CN201065314Y CNU2007200784438U CN200720078443U CN201065314Y CN 201065314 Y CN201065314 Y CN 201065314Y CN U2007200784438 U CNU2007200784438 U CN U2007200784438U CN 200720078443 U CN200720078443 U CN 200720078443U CN 201065314 Y CN201065314 Y CN 201065314Y
- Authority
- CN
- China
- Prior art keywords
- jacking cylinder
- electric
- hydraulic jack
- oil pump
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a hydraulic jack used for unloading, comprising a jacking oil cylinder and an oil tank,. The jacking cylinder and the oil tank form a hydraulic circuit, and an electric oil pump driven by a motor is used in the hydraulic circuit as the power source. The utility model has the advantages that when the motor is started, the jacking cylinder can ultimately be driven to work by the electric device, thus the labor load is reduced, and the utility model is particularly fit for popularization and application in places where unloading is required, such as wharfs, stations, airports and other places.
Description
Technical field
The utility model relates to a kind of jack, especially relates to a kind of hydraulic jack that uses when unloading.
Background technology
At present, the hydraulic pressure wheel shaft jack that uses in occasions such as harbour, station, airports mainly contains manually and two kinds of Pneumatic hydraulic wheel shaft jacks, its principle of work is: inject high pressure oil by oil feeding line manual or that pneumatics drives in oil cylinder, the jacking piston motion is with the top weight in the promotion jacking cylinder, during flow regulating valve on unclamping oil feeding line, the jack off-load makes jack cylinder backhaul-piston reset under the effect of weight, finish a working cycle.But manually there are following deficiency in jack and pneumatic jack:
1, manually jack needs artificial hand or foot-operated, and pneumatic jack needs the artificial source of the gas that inserts, so these two kinds of jacks all need manual operation, labour intensity is big.
2, no automated backhaul device in manual jack cause the damage of hydraulic actuating cylinder easily, and pneumatics is stable inadequately, causes the damage to oil cylinder easily.
The utility model content
Technical problem to be solved in the utility model provides a kind of hydraulic jack that reduces work load.
The technical scheme that its technical matters that solves the utility model adopts is: hydraulic jack, comprise jacking cylinder and the fuel tank of forming hydraulic circuit, and in hydraulic circuit, adopt electric motor driven electric oil pump as propulsion source.By the electric device that is provided with, making can be under the situation of self-starting motor and finally drive jacking cylinder work, has so just reduced work load.
Further be between the import and export of electric oil pump, to be arranged in parallel hand oil pump.Can break down or do not have under the situation of electricity and use at electric device by the hand oil pump that is provided with, make unloading normally to carry out.
Further be in automatic loop, to be provided with battery and to link to each other with electrical motor as power supply.Make and also can use jack work easily in the open air or away from the place of tame electricity consumption or commercial power.
Further be in the loop, to be provided with electric-quantity display device and to link to each other with power supply.By the electric-quantity display device that is provided with, electric weight and voltage that can display power supply guarantee the normal operation of jack.
Further be that the exit end of the jacking cylinder in the loop is provided with return facilities.Can guarantee the safety of backhaul by the return facilities that is provided with.
Further be that the intermediate loop of jacking cylinder and return facilities is provided with the backhaul safety valve.Can further improve the safety of backhaul.
The beneficial effects of the utility model are: by the electric device that is provided with, making can be under the situation of self-starting motor and finally drive jacking cylinder work, has so just reduced work load.Can break down or do not have under the situation of electricity and use at electric device by the hand oil pump that is provided with, make unloading normally to carry out.Power supply uses battery to make can also can use jack work in the open air or away from the place of tame electricity consumption or commercial power easily.By the electric-quantity display device that is provided with, electric weight and voltage that can display power supply guarantee the normal operation of jack.And can guarantee the safety of backhaul by the return facilities that is provided with, be particluarly suitable for the place that needs such as harbour, station and airport unload and promote the use of.
Description of drawings
Fig. 1 is a system of the present utility model control chart.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Be labeled as oil filter 1, battery 2, electrical motor 3, electric oil pump 4, hand oil pump 5, jacking cylinder 6, by pass valve 7, electric-quantity display device 8, backhaul safety valve 9, return facilities 10, fuel tank 11, flow regulating valve 12 among the figure.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, hydraulic jack of the present utility model comprises jacking cylinder 6 and the fuel tank 11 of forming hydraulic circuit, and the electric oil pump 4 that adopts electrical motor 3 drivings in the hydraulic circuit is as propulsion source.By the electric device that is provided with, making can be under the situation of self-starting motor and finally drive jacking cylinder 6 work, has so just reduced work load.Its principle of work is: after electrical motor 3 starts, drive electric oil pump 4 work and buy oil from fuel tank 11, to jacking cylinder 6, make jacking cylinder 6 work by oil circuit.
Jack also can be worked normally under the situation about breaking down in the above-described embodiment electrical motor 3, has been arranged in parallel hand oil pump 5 between the import and export of electric oil pump 4.Its principle of work is: start hand oil pump 5 by manual or foot-operated mode, buy oil from fuel tank 11, to jacking cylinder 6, make jacking cylinder 6 work by oil circuit.
In order also to use jack work easily in the open air or away from the place of tame electricity consumption or commercial power, in automatic loop, be provided with battery 2 and link to each other with electrical motor 3 as power supply.Certainly, if local easily, then can use other direct current (DC) or alternating current to work fully as power drives electrical motor 3 in electricity consumption.
And in order to check the electric weight of power supply, in the loop, be provided with electric-quantity display device 8 and link to each other with power supply.By the electric-quantity display device 8 that is provided with, electric weight and voltage that can display power supply guarantee the normal operation of jack.
For the safety of backhaul, the exit end of the jacking cylinder 6 in the loop is provided with return facilities 10.Can guarantee the safety of backhaul, the service life of improving jacking cylinder 6 by the return facilities 10 that is provided with.Simultaneously, jacking cylinder 6 is provided with the safety that backhaul safety valve 9 further improves backhaul with the intermediate loop of return facilities 10.
Claims (6)
1. hydraulic jack comprises jacking cylinder (6) and the fuel tank (11) of forming hydraulic circuit, it is characterized in that: the electric oil pump (4) that adopts electrical motor (3) driving in the hydraulic circuit is as propulsion source.
2. hydraulic jack as claimed in claim 1 is characterized in that: be arranged in parallel hand oil pump (5) between the import and export of electric oil pump (4).
3. hydraulic jack as claimed in claim 1 is characterized in that: be provided with battery (2) and link to each other with electrical motor (3) as power supply in automatic loop.
4. as claim 1,2 or 3 described hydraulic jacks, it is characterized in that: in the loop, be provided with electric-quantity display device (8) and link to each other with power supply.
5. hydraulic jack as claimed in claim 1 or 2 is characterized in that: the exit end of the jacking cylinder in the loop (6) is provided with return facilities (10).
6. hydraulic jack as claimed in claim 5 is characterized in that: the loop between jacking cylinder (6) and the return facilities (10) is provided with backhaul safety valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200784438U CN201065314Y (en) | 2007-02-06 | 2007-02-06 | Hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200784438U CN201065314Y (en) | 2007-02-06 | 2007-02-06 | Hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065314Y true CN201065314Y (en) | 2008-05-28 |
Family
ID=39482484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200784438U Expired - Lifetime CN201065314Y (en) | 2007-02-06 | 2007-02-06 | Hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065314Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752874A (en) * | 2016-04-27 | 2016-07-13 | 承德润韩汽车零部件有限公司 | Hydraulic jack |
| CN116119565A (en) * | 2023-04-17 | 2023-05-16 | 四川航泰航空装备有限公司 | Manual-automatic integrated universal hydraulic jack mechanism |
-
2007
- 2007-02-06 CN CNU2007200784438U patent/CN201065314Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752874A (en) * | 2016-04-27 | 2016-07-13 | 承德润韩汽车零部件有限公司 | Hydraulic jack |
| CN116119565A (en) * | 2023-04-17 | 2023-05-16 | 四川航泰航空装备有限公司 | Manual-automatic integrated universal hydraulic jack mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080528 |
|
| CX01 | Expiry of patent term |