CN204458650U - Automatically cleaning anti-silt durable type active drag head hydraulic jack - Google Patents
Automatically cleaning anti-silt durable type active drag head hydraulic jack Download PDFInfo
- Publication number
- CN204458650U CN204458650U CN201520111115.8U CN201520111115U CN204458650U CN 204458650 U CN204458650 U CN 204458650U CN 201520111115 U CN201520111115 U CN 201520111115U CN 204458650 U CN204458650 U CN 204458650U
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- setting
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- out cylinder
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Abstract
The utility model relates to a kind of automatically cleaning anti-silt durable 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 and piston rod waterproof seal, dust ring is near the exterior edge face of cylinder cap, the inwall of cylinder cap is also equipped with bath groove, bath slot is between dust ring and piston rod waterproof seal, the outer wall of cylinder cap offers flush port, flush port is connected with bath groove, and flush port is connected with flushometer.Automatically cleaning of the present utility model anti-silt durable type active drag head hydraulic jack, by increasing bath groove on cylinder cap, and connect flushometer, flush port is injected high-pressure water flow, dust ring, tiny silt between bit copper dirt-scrapping ring and piston rod can be gone out, avoid wearing and tearing between cylinder cap and piston rod, ensure the Long-Time Service of active drag head hydraulic jack, eliminate complicated high-pressure water pump and control system thereof.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, particularly relates to a kind of automatically cleaning anti-silt durable 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: enter to solve the object such as sandstone, mud the technical problem that oil cylinder destroys its sealing, and the utility model provides a kind of automatically cleaning anti-silt durable type active drag head hydraulic jack.
The utility model solves the technological scheme that its technical problem adopts: a kind of automatically cleaning anti-silt durable 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 and piston rod waterproof seal, described dust ring is near the exterior edge face of cylinder cap, the inwall of described cylinder cap is also equipped with bath groove, described bath slot is between dust ring and piston rod waterproof seal, the outer wall of cylinder cap offers flush port, flush port is connected with bath groove, described flush port is connected with flushometer.Under water in Long-Time Service process, silt is easily had to enter between piston rod and cylinder cap, especially the tiny silt between dust ring and piston rod can not be removed completely, the utility model by improving on cylinder cap, can when oil cylinder runs, flush port injects high-pressure water flow again, is rinsed well by the silt between dust ring and piston rod.
Further, particularly, described flushometer comprises setting-out cylinder and automatic diverter valve group, described setting-out cylinder comprises setting-out cylinder cylinder body, setting-out cylinder cylinder cap, be positioned at setting-out cylinder piston rod and the setting-out cylinder piston of setting-out cylinder cylinder body, described setting-out cylinder piston rod external part has setting-out cylinder earrings, setting-out cylinder cylinder body is provided with setting-out cylinder water intake and setting-out cylinder water outlet, setting-out cylinder water intake is connected with the rodless cavity of setting-out cylinder, setting-out cylinder water outlet is connected with the rod chamber of setting-out cylinder, described automatic diverter valve group comprises A, B, C, D tetra-interfaces, interface A is communicated with by selector valve with interface C, interface C is communicated with by selector valve with interface B, interface B is communicated with by selector valve with interface D, interface D is communicated with by selector valve with interface A, described interface C is also connected with flush port, interface A is also connected with setting-out cylinder water outlet, interface B is also connected with setting-out cylinder water intake, interface D is external clean water filter also.
Further, bit copper dirt-scrapping ring is also equipped with between described dust ring to cylinder cap exterior edge face.Also piston rod seal pack is provided with between described cylinder cap and piston rod.
Further, in order to ensure the sealing of setting-out cylinder, between described setting-out cylinder cylinder cap and setting-out cylinder piston rod, being also provided with setting-out cylinder piston rod black box, between setting-out cylinder piston and setting-out cylinder cylinder body, being also provided with setting-out cylinder piston seal assembly.
The beneficial effects of the utility model are, automatically cleaning of the present utility model anti-silt durable type active drag head hydraulic jack, by increasing bath groove on cylinder cap, and connect flushometer, flush port is injected high-pressure water flow, dust ring, tiny silt between bit copper dirt-scrapping ring and piston rod can be gone out, avoid wearing and tearing between cylinder cap and piston rod, ensure the Long-Time Service of active drag head hydraulic jack, eliminate complicated high-pressure water pump and control system thereof.
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, wash by water groove, 42, flush port, 5, hinge, 6, dust ring, 7, piston rod waterproof seal, 8, bit copper dirt-scrapping ring, 9, piston rod seal pack, 101, setting-out cylinder cylinder body, 1011, setting-out cylinder water intake, 1012, setting-out cylinder water outlet, 102, setting-out cylinder cylinder cap, 103, setting-out cylinder piston rod, 1031, setting-out cylinder earrings, 104, setting-out cylinder piston.
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, active drag head hydraulic jack of the present utility model comprises 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, on the inwall of cylinder cap 4 namely between cylinder cap 4 and piston rod 2, bit copper dirt-scrapping ring 8 is disposed with from the exterior edge face of cylinder cap 4, dust ring 6, bath groove 41, piston rod waterproof seal 7 and piston rod seal pack 9, the outer wall of cylinder cap 4 offers flush port 42, flush port 42 is connected with bath groove 41, flush port 42 is connected with flushometer, flushometer comprises setting-out cylinder and automatic diverter valve group, setting-out cylinder comprises setting-out cylinder cylinder body 101, setting-out cylinder cylinder cap 102, be positioned at setting-out cylinder piston rod 103 and the setting-out cylinder piston 104 of setting-out cylinder cylinder body 101, setting-out cylinder piston rod 103 external part has setting-out cylinder earrings 1031, setting-out cylinder cylinder body 101 is provided with setting-out cylinder water intake 1011 and setting-out cylinder water outlet 1012, setting-out cylinder water intake 1011 is connected with the rodless cavity of setting-out cylinder, setting-out cylinder water outlet 1012 is connected with the rod chamber of setting-out cylinder, automatic diverter valve group comprises A, B, C, D tetra-interfaces, wherein interface A is communicated with by selector valve with interface C, interface C is communicated with by selector valve with interface B, interface B is communicated with by selector valve with interface D, interface D is communicated with by selector valve with interface A, interface C is also connected with flush port 42, interface A is also connected with setting-out cylinder water outlet 1012, interface B is also connected with setting-out cylinder water intake 1011, interface D is external clean water filter also.Also be provided with setting-out cylinder piston rod black box between described setting-out cylinder cylinder cap 102 and setting-out cylinder piston rod 103, between setting-out cylinder piston 104 and setting-out cylinder cylinder body 101, be also provided with setting-out cylinder piston seal assembly.
Setting-out cylinder earrings 1031 is connected servo-actuated with the earrings 21 of active drag head hydraulic jack, and setting-out cylinder earrings 2 is fixed on drag head cylinder body of hydraulic oil cylinder, and setting-out cylinder stroke is greater than active drag head hydraulic jack.When the protruding motion of setting-out cylinder piston rod 103, water in setting-out cylinder rod chamber is through setting-out cylinder water outlet 1012, interface A, interface C pour flush port 42, and external clean water filter is to interface D moisturizing simultaneously, fills in setting-out cylinder rodless cavity through interface B, setting-out cylinder water intake 1011; When setting-out cylinder piston rod 103 inwardly moves, through setting-out cylinder water intake 1011, pour flush port 42 through interface B, interface C in setting-out cylinder rodless cavity, external clean water filter is to interface D moisturizing simultaneously, fills in setting-out cylinder rod chamber through interface A, setting-out cylinder water outlet 1012.
When active drag head hydraulic jack runs, when setting-out cylinder piston rod is in company with active drag head hydraulic jack together to-and-fro motion, replaced a chamber of suction pressure water vat by the clear water of clean water filter, another chamber is then forced out, and enters the flush port 42 of drag head oil cylinder.This device eliminates high-pressure water pump and control system thereof, the high-pressure water flow always injecting about 10bar to flush port can be ensured, clean water filter uses the seawater river after filtering, such current can go out dust ring 6 and the tiny grains of sand between bit copper dirt-scrapping ring 8 and piston rod 2, ensure the Long-Time Service of piston rod.
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 (5)
1. an automatically cleaning anti-silt durable 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 dust ring (6) and piston rod waterproof seal (7), described 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 bath groove (41), described bath groove (41) is positioned between dust ring (6) and piston rod waterproof seal (7), the outer wall of cylinder cap (4) offers flush port (42), flush port (42) is connected with bath groove (41), described flush port (42) is connected with flushometer.
2. automatically cleaning anti-silt durable type active drag head hydraulic jack as claimed in claim 1, it is characterized in that: described flushometer comprises setting-out cylinder and automatic diverter valve group, described setting-out cylinder comprises setting-out cylinder cylinder body (101), setting-out cylinder cylinder cap (102), be positioned at setting-out cylinder piston rod (103) and the setting-out cylinder piston (104) of setting-out cylinder cylinder body (101), described setting-out cylinder piston rod (103) external part has setting-out cylinder earrings (1031), setting-out cylinder cylinder body (101) is provided with setting-out cylinder water intake (1011) and setting-out cylinder water outlet (1012), setting-out cylinder water intake (1011) is connected with the rodless cavity of setting-out cylinder, setting-out cylinder water outlet (1012) is connected with the rod chamber of setting-out cylinder, described automatic diverter valve group comprises A, B, C, D tetra-interfaces, interface A is communicated with by selector valve with interface C, interface C is communicated with by selector valve with interface B, interface B is communicated with by selector valve with interface D, interface D is communicated with by selector valve with interface A, described interface C is also connected with flush port (42), interface A is also connected with setting-out cylinder water outlet (1012), interface B is also connected with setting-out cylinder water intake (1011), interface D is external clean water filter also.
3. automatically cleaning anti-silt durable type active drag head hydraulic jack as claimed in claim 1, is characterized in that: be also equipped with bit copper dirt-scrapping ring (8) between described dust ring (6) to cylinder cap (4) exterior edge face.
4. automatically cleaning anti-silt durable type active drag head hydraulic jack as claimed in claim 1, is characterized in that: be also provided with piston rod seal pack (9) between described cylinder cap (4) and piston rod (2).
5. automatically cleaning anti-silt durable type active drag head hydraulic jack as claimed in claim 2, it is characterized in that: between described setting-out cylinder cylinder cap (102) and setting-out cylinder piston rod (103), be also provided with setting-out cylinder piston rod black box, between setting-out cylinder piston (104) and setting-out cylinder cylinder body (101), be also provided with setting-out cylinder piston seal assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111115.8U CN204458650U (en) | 2015-02-15 | 2015-02-15 | Automatically cleaning anti-silt durable type active drag head hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111115.8U CN204458650U (en) | 2015-02-15 | 2015-02-15 | Automatically cleaning anti-silt durable type active drag head hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458650U true CN204458650U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111115.8U Withdrawn - After Issue CN204458650U (en) | 2015-02-15 | 2015-02-15 | Automatically cleaning anti-silt durable type active drag head hydraulic jack |
Country Status (1)
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| CN (1) | CN204458650U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653547A (en) * | 2015-02-15 | 2015-05-27 | 常州海宏液压设备有限公司 | Self-cleaning silt-resistant durable active drag head hydraulic oil cylinder |
| CN108331060A (en) * | 2018-04-04 | 2018-07-27 | 长江南京航道工程局 | Dredger water knife drag head device |
| CN108396807A (en) * | 2018-04-04 | 2018-08-14 | 长江南京航道工程局 | dredger hydrofoil drag head device |
| CN112253190A (en) * | 2020-10-22 | 2021-01-22 | 白莹 | Efficient and high-safety hydraulic prop for coal mine excavation |
-
2015
- 2015-02-15 CN CN201520111115.8U patent/CN204458650U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653547A (en) * | 2015-02-15 | 2015-05-27 | 常州海宏液压设备有限公司 | Self-cleaning silt-resistant durable active drag head hydraulic oil cylinder |
| CN108331060A (en) * | 2018-04-04 | 2018-07-27 | 长江南京航道工程局 | Dredger water knife drag head device |
| CN108396807A (en) * | 2018-04-04 | 2018-08-14 | 长江南京航道工程局 | dredger hydrofoil drag head device |
| CN112253190A (en) * | 2020-10-22 | 2021-01-22 | 白莹 | Efficient and high-safety hydraulic prop for coal mine excavation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |