CN207437635U - A kind of off-course brake of dustproof anti-leakage oil - Google Patents
A kind of off-course brake of dustproof anti-leakage oil Download PDFInfo
- Publication number
- CN207437635U CN207437635U CN201720584469.3U CN201720584469U CN207437635U CN 207437635 U CN207437635 U CN 207437635U CN 201720584469 U CN201720584469 U CN 201720584469U CN 207437635 U CN207437635 U CN 207437635U
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- China
- Prior art keywords
- hydraulic cylinder
- sealing ring
- capping
- ring
- output rod
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Abstract
The utility model discloses a kind of off-course brakes of dustproof anti-leakage oil,Including hydraulic cylinder,The hydraulic cylinder upper end opening,Lower end closed,Hydraulic cylinder lower face is equipped with oil inlet pipe,Hydraulic cylinder upper end is equipped with capping,Piston plate is sliding combined in the hydraulic cylinder,Piston plate upper end is vertically and fixedly provided with output rod,Output rod upper end passes through sealing plate,Output rod upper end in hydraulic cylinder is equipped with spacing ring,Output rod on the outside of hydraulic cylinder, which is equipped with, presses ring,Press ring upper end equipped with upper sealing ring,Closure skirt is arranged with lower sealing ring,Hermetic bag is equipped between lower sealing ring and upper sealing ring,And then form a sealing cavity configuration in capping upper end,Oil return pipe is equipped on the right side of hydraulic cylinder,The utility model is simple in structure,Rationally,Facilitate the reflux of fluid,In addition the setting of laborsaving lever plate helps to improve the strength that hydraulic mechanism exports in device,So as to help to reduce the burden of hydraulic cylinder,And then the problem of helping to reduce oil leak,It is highly practical.
Description
Technical field
The utility model is related to brake technology public affairs fields, are specifically a kind of off-course brake of dustproof anti-leakage oil.
Background technology
The off-course brake used on wind power plant is made of cylinder body, piston, friction plate and seals and other component,
Under the driving of hydraulic coupling, piston is acted, and ejection friction plate clamps yaw brake disc, reaches damping brake disc spins (at this time
The hydraulic coupling of hydraulic drive piston is 20bar or so) or the prevention yaw brake disc spins (hydraulic coupling of hydraulic drive piston at this time
For 160bar or so).Long-term 20bar dampings rotate to 160bar and stop rotating alternate run, the fluid meeting oozed out from sealing ring
It is more and more, fluid cannot pushed back fuel tank from drain tap in time, fluid is leaked out from sealing ring lip, pollutes friction plate,
Reduce friction plate friction coefficient, fan operation brings substantial risk or even wind turbine is caused to be unable to operate normally.It is tieed up to scene
Shield and supervision bring a series of troubles, while greatly increase maintenance maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of off-course brake of dustproof anti-leakage oil, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical solution：
A kind of off-course brake of dustproof anti-leakage oil, including hydraulic cylinder, the hydraulic cylinder upper end opening, lower end closed,
Hydraulic cylinder lower face is equipped with oil inlet pipe, and hydraulic cylinder upper end is equipped with capping, piston plate, piston plate are sliding combined in the hydraulic cylinder
Upper end is vertically and fixedly provided with output rod, and through capping, the output rod upper end in hydraulic cylinder is equipped with spacing ring, position for output rod upper end
Output rod on the outside of hydraulic cylinder, which is equipped with, presses ring, presses ring upper end equipped with upper sealing ring, closure skirt is arranged with lower sealing
Ring is equipped with hermetic bag, and then forms a sealing cavity configuration in capping upper end between lower sealing ring and upper sealing ring, hydraulic cylinder is right
Side is equipped with oil return pipe, and piston plate moves up height and is no more than oil return pipe, and the output rod upper end is hinged with lever plate bottom righthand side, lever
Plate lower face is hinged with fulcrum rod, and the distance of fulcrum rod to lever plate right end is the lever plate lower left side to twice of left end distance
Equipped with for propping up the friction plate of yaw brake disc.
As further program of the utility model：The capping is connected through a screw thread to be fixedly connected with hydraulic cylinder.
As further program of the utility model：The oil return pipe external port connects fuel tank by conduit.
As further program of the utility model：The upper sealing ring, which is connected through a screw thread, to be fixed on output rod.
As further program of the utility model：The capping upper end is equipped with perforation.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple and reasonable for structure, lower sealing
Hermetic bag is equipped between ring and upper sealing ring, and then a sealing cavity configuration is formed in capping upper end, so as to prevent letting out for fluid
Leakage, hydraulic cylinder right side is equipped with oil return pipe, and under the action of spacing ring, piston plate, which moves up, is highly no more than oil return pipe, outside oil return pipe
Port connects fuel tank by conduit, and then facilitates the reflux of fluid, and in addition the setting of laborsaving lever plate helps to improve in device
Hydraulic mechanism output strength, so as to contribute to reduce hydraulic cylinder burden, and then contribute to reduce oil leak the problem of, practicability
By force.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein：Hydraulic cylinder 1, oil inlet pipe 2, oil return pipe 4, press ring 5, upper sealing ring 7, hermetic bag 6, output rod at piston plate 3
8th, lever plate 9, friction plate 10, fulcrum rod 11, lower sealing ring 12, capping 13, spacing ring 14.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of off-course brake of dustproof anti-leakage oil, including hydraulic cylinder
1,1 upper end opening of hydraulic cylinder, lower end closed, 1 lower face of hydraulic cylinder are equipped with oil inlet pipe 2, and 1 upper end of hydraulic cylinder is equipped with capping
13,13 upper ends of capping are equipped with perforation, and capping 13 is connected through a screw thread to be fixedly connected with hydraulic cylinder 1, is slided in the hydraulic cylinder 1
Piston plate 3 is combined with, 3 upper end of piston plate is vertically and fixedly provided with output rod 8, and 8 upper end of output rod is through capping 13, positioned at hydraulic cylinder 1
Interior 8 upper end of output rod is equipped with spacing ring 14, and the output rod 8 positioned at 1 outside of hydraulic cylinder, which is equipped with, presses ring 5, presses 5 upper end of ring
Equipped with upper sealing ring 7, upper sealing ring 7, which is connected through a screw thread, to be fixed on output rod 8, and 13 outer sheaths of capping are equipped with lower sealing ring
12, hermetic bag 6 is equipped between lower sealing ring 12 and upper sealing ring 7, and then a sealing cavity configuration is formed covering 13 upper ends,
So as to prevent the leakage of fluid, 1 right side of hydraulic cylinder is equipped with oil return pipe 4, and under the action of spacing ring 14, piston plate 3 moves up height
No more than oil return pipe 4,4 external port of oil return pipe connects fuel tank by conduit, and 8 upper end of output rod is cut with scissors with 9 bottom righthand side of lever plate
Connect, 9 lower face of lever plate is hinged with fulcrum rod 11, the distance of fulcrum rod 11 to 9 right end of lever plate be to twice of left end distance,
9 lower left side of lever plate is equipped with friction plate 10, and friction plate 10 is for propping up yaw brake disc, and laborsaving lever plate 9 is provided with here
Help improve the strength of hydraulic mechanism output, so as to help to reduce the burden of hydraulic cylinder, and then help to reduce asking for oil leak
Topic, it is highly practical.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
- A kind of 1. off-course brake of dustproof anti-leakage oil, including hydraulic cylinder (1), which is characterized in that hydraulic cylinder (1) upper end Opening, lower end closed, hydraulic cylinder (1) lower face are equipped with oil inlet pipe (2), and hydraulic cylinder (1) upper end is equipped with capping (13), the hydraulic pressure Piston plate (3) is sliding combined in cylinder (1), piston plate (3) upper end is vertically and fixedly provided with output rod (8), and output rod (8) upper end passes through It covers (13), output rod (8) upper end in hydraulic cylinder (1) is equipped with spacing ring (14), the output on the outside of hydraulic cylinder (1) Bar (8), which is equipped with, presses ring (5), presses ring (5) upper end equipped with upper sealing ring (7), capping (13) outer sheath is equipped with lower sealing ring (12), hermetic bag (6) is equipped between lower sealing ring (12) and upper sealing ring (7), so it is close in capping (13) upper end formation one Cavity configuration is sealed, oil return pipe (4) is equipped on the right side of hydraulic cylinder (1), piston plate (3) moves up height and is no more than oil return pipe (4), the output Bar (8) upper end and lever plate (9) bottom righthand side are hinged, and lever plate (9) lower face is hinged with fulcrum rod (11), and fulcrum rod (11) arrives thick stick The distance of bar plate (9) right end is to twice of left end distance, and lever plate (9) lower left side is equipped with to prop up rubbing for yaw brake disc Pad (10).
- A kind of 2. off-course brake of dustproof anti-leakage oil according to claim 1, which is characterized in that the capping (13) It is connected through a screw thread and is fixedly connected with hydraulic cylinder (1).
- A kind of 3. off-course brake of dustproof anti-leakage oil according to claim 1, which is characterized in that the oil return pipe (4) external port connects fuel tank by conduit.
- A kind of 4. off-course brake of dustproof anti-leakage oil according to claim 1, which is characterized in that the upper sealing ring (7) it is connected through a screw thread and is fixed on output rod (8).
- A kind of 5. off-course brake of dustproof anti-leakage oil according to claim 1, which is characterized in that the capping (13) Upper end is equipped with perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584469.3U CN207437635U (en) | 2017-05-24 | 2017-05-24 | A kind of off-course brake of dustproof anti-leakage oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584469.3U CN207437635U (en) | 2017-05-24 | 2017-05-24 | A kind of off-course brake of dustproof anti-leakage oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437635U true CN207437635U (en) | 2018-06-01 |
Family
ID=62395044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720584469.3U Expired - Fee Related CN207437635U (en) | 2017-05-24 | 2017-05-24 | A kind of off-course brake of dustproof anti-leakage oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437635U (en) |
-
2017
- 2017-05-24 CN CN201720584469.3U patent/CN207437635U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190524 |