CN204458641U - Environment protection type active drag head hydraulic jack - Google Patents
Environment protection type active drag head hydraulic jack Download PDFInfo
- Publication number
- CN204458641U CN204458641U CN201520110632.3U CN201520110632U CN204458641U CN 204458641 U CN204458641 U CN 204458641U CN 201520110632 U CN201520110632 U CN 201520110632U CN 204458641 U CN204458641 U CN 204458641U
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- China
- Prior art keywords
- cylinder cap
- piston rod
- hydraulic jack
- drag head
- guide slot
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Abstract
The utility model relates to a kind of environment protection type active drag head hydraulic jack, comprise cylinder body, piston rod, piston and cylinder cap, piston rod external part has earrings, cylinder base is provided with hinge, the inwall of cylinder cap is equipped with dust ring successively, piston rod waterproof seal and piston rod seal pack, wherein dust ring is near the exterior edge face of cylinder cap, the inwall of cylinder cap is also equipped with leakage oil guide slot, leak oil guide slot between piston rod waterproof seal and piston rod seal pack, cylinder cap outside offers air inflow openings and vacuum suction mouth, air inflow openings and vacuum suction mouth are all connected with leakage oil guide slot.Environment protection type active drag head hydraulic jack of the present utility model, by improving on cylinder cap, in time sea (river) water of the fluid extraction of leaking or seepage can be extracted out, take cleaning measure, fluid is avoided to flow into rivers,lakes and seas, befouling environment, but also the Long-Time Service that ensure that active drag head hydraulic jack.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, particularly relates to a kind of environment protection type active drag head hydraulic jack.
Background technique
Active drag head hydraulic jack is mainly used on various rake suction type dredging boats and ships, in running, due to drag head oil cylinder Long-Time Service under water, due to underwater operation bad environments, sandstone, mud etc. is had to cause piston rod easily to wear and tear, thus active drag head hydraulic jack dust ring, piston rod waterproof seal and piston rod seal pack are damaged, outside seawater or river is made to enter oil cylinder, affect hydraulic jack normally to work, or hydraulic fluid leak, pollute rivers,lakes and seas, the whole world causes great attention to this at present.
Model utility content
The technical problems to be solved in the utility model is: the technical problem revealing befouling environment in order to solve fluid, the utility model provides a kind of environment protection type active drag head hydraulic jack.
The utility model solves the technological scheme that its technical problem adopts: a kind of environment protection type active drag head hydraulic jack, comprise cylinder body, piston rod, piston and cylinder cap, piston rod external part has earrings, cylinder base is provided with hinge, the inwall of described cylinder cap is equipped with dust ring successively, piston rod waterproof seal and piston rod seal pack, wherein dust ring is near the exterior edge face of cylinder cap, the inwall of described cylinder cap is also equipped with leakage oil guide slot, leak oil guide slot between piston rod waterproof seal and piston rod seal pack, cylinder cap outside offers air inflow openings and vacuum suction mouth, air inflow openings and vacuum suction mouth are all connected with leakage oil guide slot.Under water in Long-Time Service process, piston rod is easily smashed by rubble, silt also can enter between piston rod and cylinder cap, the black box between cylinder cap and piston rod is caused to wear and tear, fluid is revealed, befouling environment, sea (river) water of the fluid leaked or seepage, by improving on cylinder cap, can be extracted out by the utility model in time.
Further, in order to the convection effects improving air inlet and give vent to anger, described air inflow openings and vacuum suction mouth are symmetricly set on the exterior edge face of cylinder cap respectively.
Further, in order to avoid having leakage phenomenon between cylinder cap and cylinder body, between described cylinder cap and cylinder body, be also provided with cylinder cap static seal and cylinder cap screw thread waterproof static seal.On described cylinder cap outer wall, also offer between cylinder cap static seal and cylinder cap screw thread waterproof static seal and leak air inlet runner that oil guide slot is connected and go out flow channel, described air inlet runner with go out flow channel and be connected with vacuum suction mouth with air inflow openings respectively.
The beneficial effects of the utility model are, environment protection type active drag head hydraulic jack of the present utility model, by improving on cylinder cap, in time sea (river) water of the fluid extraction of leaking or seepage can be extracted out, take cleaning measure, fluid is avoided to flow into rivers,lakes and seas, befouling environment, but also the Long-Time Service that ensure that active drag head hydraulic jack.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is partial enlarged drawing in Fig. 1.
In figure: 1, cylinder body, 2, piston rod, 21, earrings, 3, piston, 4, cylinder cap, 41, oil guide slot is leaked, 42, air inflow openings, 43, vacuum suction mouth, 421, air inlet runner, 431, go out flow channel, 5, hinge, 6, dust ring, 7, piston rod waterproof seal, 8, cylinder cap screw thread waterproof static seal, 9, piston rod seal pack, 10, cylinder cap static seal.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Fig. 1, shown in 2, embodiment of the present utility model, comprise cylinder body 1, piston rod 2, piston 3 and cylinder cap 4, piston rod 2 external part has earrings 21, hinge 5 is installed bottom cylinder body 1, between cylinder cap 4 and piston rod 2, the inwall of cylinder cap 4 is equipped with dust ring 6 successively, piston rod waterproof seal 7 and piston rod seal pack 9, wherein dust ring 6 is near the exterior edge face of cylinder cap 4, the inwall of cylinder cap 4 is also equipped with and leaks oil guide slot 41, leak oil guide slot 41 between piston rod waterproof seal 7 and piston rod seal pack 9, on the exterior edge face of cylinder cap 4, symmetry offers air inflow openings 42 and vacuum suction mouth 43, air inflow openings 42 and vacuum suction mouth 43 are all connected with leakage oil guide slot 41.Also be provided with cylinder cap static seal 10 and cylinder cap screw thread waterproof static seal 8 between cylinder cap 4 and cylinder body 1, cylinder cap static seal 10 is arranged on cylinder cap 4 outer ring, and cylinder cap screw thread waterproof static seal 8 is arranged on cylinder body 1 inner ring.On described cylinder cap 4 outer wall or outer ring, also offer between cylinder cap static seal 10 and cylinder cap screw thread waterproof static seal 8 and leak air inlet runner 421 that oil guide slot 41 is connected and go out flow channel 431, namely one end of air inlet runner 421 is connected with leakage oil guide slot 41, the other end leads between cylinder cap 4 and cylinder body 1, the one end going out flow channel 431 is connected with leakage oil guide slot 41, the other end leads between cylinder cap 4 and cylinder body 1, air inlet runner 421 with go out flow channel 431 and be connected with vacuum suction mouth 43 with air inflow openings 42 respectively.
When oil cylinder runs, when piston rod waterproof seal 7 or cylinder cap screw thread waterproof static seal 8 wear and tear, outside seawater or river seepage can enter leakage oil guide slot 41, by passing into gas to air inflow openings 42, then use vacuum breathing apparatus to vacuum suction mouth 43 air-breathing, form air-flow, seawater or the river of seepage can be taken away in time, make it not enter oil cylinder inside, ensure that oil cylinder normally works, the seawater extracted out or river can be found by operator on ship in time, process of taking measures.
When oil cylinder runs, when piston rod seal pack 9 or cylinder cap static seal 10 wear and tear, the hydraulic oil in bar chamber seepage can enter leakage oil guide slot 41, by passing into gas to air inflow openings 42, then using vacuum breathing apparatus to vacuum suction mouth 43 air-breathing, forming air-flow, the hydraulic oil of seepage can be taken away in time, make it not flow into rivers,lakes and seas befouling environment, the hydraulic oil of extraction can be found by operator on ship in time, process of taking measures.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (4)
1. an environment protection type active drag head hydraulic jack, comprise cylinder body (1), piston rod (2), piston (3) and cylinder cap (4), piston rod (2) external part has earrings (21), cylinder body (1) bottom is provided with hinge (5), the inwall of described cylinder cap (4) is equipped with successively dust ring (6), piston rod waterproof seal (7) and piston rod seal pack (9), wherein dust ring (6) is near the exterior edge face of cylinder cap (4), it is characterized in that: the inwall of described cylinder cap (4) is also equipped with and leaks oil guide slot (41), leaking oil guide slot (41) is positioned between piston rod waterproof seal (7) and piston rod seal pack (9), described cylinder cap (4) outside offers air inflow openings (42) and vacuum suction mouth (43), described air inflow openings (42) and vacuum suction mouth (43) are all connected with leakage oil guide slot (41).
2. environment protection type active drag head hydraulic jack as claimed in claim 1, is characterized in that: described air inflow openings (42) and vacuum suction mouth (43) are symmetricly set on the exterior edge face of cylinder cap (4) respectively.
3. environment protection type active drag head hydraulic jack as claimed in claim 1, is characterized in that: be also provided with cylinder cap static seal (10) and cylinder cap screw thread waterproof static seal (8) between described cylinder cap (4) and cylinder body (1).
4. environment protection type active drag head hydraulic jack as claimed in claim 3, it is characterized in that: on described cylinder cap (4) outer wall, be positioned at and also offer between cylinder cap static seal (10) and cylinder cap screw thread waterproof static seal (8) and leak air inlet runner (421) that oil guide slot (41) is connected and go out flow channel (431), described air inlet runner (421) with go out flow channel (431) and be connected with vacuum suction mouth (43) with air inflow openings (42) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110632.3U CN204458641U (en) | 2015-02-15 | 2015-02-15 | Environment protection type active drag head hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110632.3U CN204458641U (en) | 2015-02-15 | 2015-02-15 | Environment protection type active drag head hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458641U true CN204458641U (en) | 2015-07-08 |
Family
ID=53665535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520110632.3U Active CN204458641U (en) | 2015-02-15 | 2015-02-15 | Environment protection type active drag head hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895193A (en) * | 2018-06-22 | 2018-11-27 | 爱发科东方真空(成都)有限公司 | The oil-free valve of vacuum |
-
2015
- 2015-02-15 CN CN201520110632.3U patent/CN204458641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895193A (en) * | 2018-06-22 | 2018-11-27 | 爱发科东方真空(成都)有限公司 | The oil-free valve of vacuum |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |