CN207762050U - A kind of excavator bucket oil cylinder - Google Patents
A kind of excavator bucket oil cylinder Download PDFInfo
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- CN207762050U CN207762050U CN201820054380.0U CN201820054380U CN207762050U CN 207762050 U CN207762050 U CN 207762050U CN 201820054380 U CN201820054380 U CN 201820054380U CN 207762050 U CN207762050 U CN 207762050U
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- earrings
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Abstract
The utility model discloses a kind of excavator bucket oil cylinder, it is characterised in that：Including piston rod, guide sleeve, cylinder body, piston and cylinder bottom, cylinder body wherein one end is sealed by cylinder bottom, cylinder body is equipped with preceding hydraulic fluid port close to open end, the cylinder bottom is equipped with rear hydraulic fluid port, preceding hydraulic fluid port and rear hydraulic fluid port respectively connect transition oil pipe, transition oil pipe is supported on cylinder body medium position by holder, guide sleeve inner wall coordinates with the sealing of piston rod outer wall, piston is connected on one end end that institute's stopper rod is placed in cylinder body, piston outer wall front coordinates with inboard wall of cylinder block sealing, there are gaps with inboard wall of cylinder block at piston outer wall rear portion, it is equipped with tapped through hole on the outer wall, steel ball built in tapped through hole, interior hexagonal holding screw is against on steel ball, steel ball is against in the groove of piston rod, piston rod, which is placed on one end outside cylinder body, connects the first earrings, cylinder bottom is equipped with the second earrings, it is equipped with lubricating cup on first earrings and the second earrings.The utility model advantage has：Simple in structure, stability is good, capable of expansion and contraction.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of excavator bucket oil cylinder.
Background technology
Loader-digger is a kind of widely applied multi-functional construction machinery.Since a variety of works can be changed quickly in it
The features such as industry device multi items, high quality and high efficiency, therefore favored by vast construction operation unit, manufacture industry
Also it increasingly flourishes.Apply the speed during oil cylinder requirement on loader-digger is in shovel digging fast, efficient, mobility
Good, operation is light.At present during the use of engineering machinery bucket cylinder, it is slow that there are cylinder actions, oil leak at pressure release, oil sealing
The case where.From economy and product quality and the angle of promotion properties of product, need to design and fabricate a meet
A excavation Oil cylinder of the market demand and the fusion of itself product.Therefore, for the solution of the above problem with regard to particularly important.
Invention content
The present invention overcome the deficiencies of the prior art and provide it is a kind of it is simple in structure, stability is good, retractile excavator
Bucket cylinder.
In order to achieve the above object, the technical solution adopted in the present invention is：A kind of excavator bucket oil cylinder, it is characterised in that：
Including piston rod, guide sleeve, cylinder body, piston and cylinder bottom, the cylinder body wherein one end is sealed by cylinder bottom, the open end of the cylinder body
Inner wall connects guide sleeve, and both ends are equipped with the first O-ring seals on the outer wall of the guide sleeve, and the cylinder body is set on open end
There are preceding hydraulic fluid port, the cylinder bottom to be equipped with rear hydraulic fluid port, be divided into rod chamber and rodless cavity in the cylinder body, the preceding hydraulic fluid port has with described
Rod cavity is connected to, and the rear hydraulic fluid port is connected to the rodless cavity, and the preceding hydraulic fluid port and the rear hydraulic fluid port respectively connect transition oil pipe,
The transition oil pipe is supported on cylinder body medium position by holder, and the guide sleeve inner wall coordinates with the sealing of piston rod outer wall, institute
It states and is equipped with hole baffle ring, dustband, axle sealing ring, bumper ring, sliding shaft sleeve and hole steel wire on the inner wall of guide sleeve successively
Baffle ring, piston is connected on one end end that the piston rod is placed in cylinder body, and the piston inner wall is sealed equipped with the 2nd O shapes
Circle, the sealing of the piston outer wall front and inboard wall of cylinder block coordinate, and are equipped with first successively on the outer wall and receive dirty ring, the first molding guiding
Ring, hole sealing ring, the second molding guide ring and second receive dirty ring, the piston outer wall rear portion and inboard wall of cylinder block there are gap,
It is equipped with tapped through hole, steel ball built in the tapped through hole on the outer wall, the tapped through hole is threadedly coupled interior hexagonal holding screw,
The interior hexagonal holding screw is against on steel ball, and the steel ball is against in the groove of piston rod, and the piston rod is placed in outside cylinder body
The first earrings is connected on the one end in portion, the cylinder bottom is equipped with the second earrings, and first earrings and second earrings are interior
Axle sleeve is set, the axle sleeve both ends are equipped with dustband, lubricating cup is equipped on first earrings and second earrings.
Further, hydraulic fluid port is welded on cylinder bottom side after described, corresponding on the cylinder bottom side to be equipped with oil inlet passage.
Further, the rectangular shape of the oil inlet passage, and it is connected to rodless cavity.
Further, the cylinder bottom is integrally formed with second earrings.
Further, the cylinder diameter is 85mm, and the diameter of piston rod is 55mm.
Further, the cylinder body and the piston rod reel ranging from 1108-1836mm.
Further, the stroke of the piston is 728mm.
Compared with prior art, it is an advantage of the invention that：
1, service life is long and stability is good；
2, capable of expansion and contraction, occur without pressure release, oil leak, flexible slow situation in 2000 working hours；
3, complete machine production efficiency and the economic benefit of production are improved.
Description of the drawings
Fig. 1 is a kind of structural representation front sectional view of excavator bucket oil cylinder of the present invention.
Fig. 2 is a kind of structural representation vertical view of excavator bucket oil cylinder of the present invention.
1. piston rod in the figure, 2. guide sleeves, 3. cylinder bodies, 4. pistons, 5. cylinder bottoms, 6. first O-ring seals, oil before 7.
Mouthful, hydraulic fluid port after 8., 9. rod chambers, 10. rodless cavities, 11. transition oil pipes, 12. holders, 13. hole baffle rings, 14. dustbands, 15.
Axle sealing ring, 16. bumper rings, 17. sliding shaft sleeves, 18. hole elastic springs, 19. second O-ring seals, 20. first receive dirt
Ring, 21. first molding guide rings, 22. hole sealing rings, 23. second molding guide rings, 24. second receive dirty ring, and 25. screw threads are logical
Hole, 26. steel balls, hexagonal holding screw in 27., 28. first earrings, 29. second earrings, 30. axle sleeves, 31. dustbands, 32. oil
Cup, 33. inflow pipelines.
Specific implementation mode
The embodiments given below are intended to further illustrate the invention, but is not to be construed as to the scope of the present invention
Limitation, some the nonessential modifications and adaptations of those skilled in the art according to the content of present invention to the present invention still fall within this
The protection domain of invention.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In fig. 1 and 2,1. piston rod, 2. guide sleeves, 3. cylinder bodies, 4. pistons, 5. cylinder bottoms, 6. first O-ring seals,
7. hydraulic fluid port before, hydraulic fluid port after 8., 9. rod chambers, 10. rodless cavities, 11. transition oil pipes, 12. holders, 13. hole baffle rings, 14. is dust-proof
Circle, 15. axle sealing rings, 16. bumper rings, 17. sliding shaft sleeves, 18. hole elastic springs, 19. second O-ring seals, 20. the
One receives dirty ring, 21. first molding guide rings, 22. hole sealing rings, 23. second molding guide rings, and 24. second receive dirty ring, and 25.
Tapped through hole, 26. steel balls, hexagonal holding screw in 27., 28. first earrings, 29. second earrings, 30. axle sleeves, 31. dustbands,
32. lubricating cup, 33. inflow pipelines.
A kind of excavator bucket oil cylinder, it is characterised in that：Including piston rod 1, guide sleeve 2, cylinder body 3, piston 4 and cylinder bottom 5,
The wherein one end of cylinder body 3 is sealed by cylinder bottom 5, and the open end inner wall of cylinder body 3 connects guide sleeve 2, and both ends are equipped on the outer wall of guide sleeve 2
First O-ring seals 6, cylinder body 3 are equipped with preceding hydraulic fluid port 7 close to open end, and cylinder bottom 5 is equipped with rear hydraulic fluid port 8, and being divided into cylinder body 3 has
Rod cavity 9 and rodless cavity 10, preceding hydraulic fluid port 7 are connected to rod chamber 9, and rear hydraulic fluid port 8 is connected to rodless cavity 10, and preceding hydraulic fluid port 7 and rear hydraulic fluid port 8 are equal
It is separately connected transition oil pipe 11, transition oil pipe 11 is supported on 3 medium position of cylinder body, 2 inner wall of guide sleeve and piston by holder 12
The sealing of 1 outer wall of bar coordinates, and is equipped with hole baffle ring 13, dustband 14, axle sealing ring 15, buffering on the inner wall of guide sleeve 2 successively
Circle 16, sliding shaft sleeve 17 and hole elastic spring 18, piston rod 1 are placed in connection piston 4, piston 4 on one end end in cylinder body 3
Inner wall is equipped with the second O-ring seals 19, and 4 outer wall front of piston and 3 inner wall sealing of cylinder body coordinate, and is equipped with the successively on the outer wall
One receives that dirty ring 20, first is molded guide ring 21, hole sealing ring 22, second is molded guide ring 23 and second and receives dirty ring 24, piston 4
There are gaps with 3 inner wall of cylinder body for external rear wall, are equipped with tapped through hole 25, steel ball 26, screw thread built in tapped through hole 25 on the outer wall
Through-hole 25 is threadedly coupled interior hexagonal holding screw 27, and interior hexagonal holding screw 27 is against on steel ball 26, and steel ball 26 is against piston rod 1
Groove in, connect the first earrings 28 on one end that piston rod 1 is placed in outside cylinder body 3, cylinder bottom 5 is equipped with the second earrings 29, the
29 equal inner sleeve 30 of one earrings 28 and second earrings, 30 both ends of axle sleeve are equipped with dustband 31, the first earrings 28 and institute
It states and is equipped with lubricating cup 32 on the second earrings 29.
Hydraulic fluid port 8 is welded on 5 side of cylinder bottom afterwards, corresponding on 5 side of cylinder bottom to be equipped with oil inlet passage 33.
33 rectangular shape of oil inlet passage, and it is connected to rodless cavity 10.
Cylinder bottom 5 and the second earrings 29 are integrally formed.
3 internal diameter of cylinder body is 85mm, 1 a diameter of 55mm of piston rod.
Cylinder body 3 reels ranging from 1108-1836mm with piston rod 1.
The stroke of piston 4 is 728mm.
In use, bucket cylinder is installed between dipper and dipper stick；Bulge test 24 hours has been carried out in a pre-installation
There is a phenomenon where oil leaks；It is capable of expansion and contraction after installation, and after practice test, cumulative activation no oil leak in 2000 hours is let out
The case where pressure, occurs, and has achieved the effect that anticipation；The overall performance and quality of product are improved from another point of view；Improve complete machine
The economic benefit of production efficiency and production.
Claims (7)
1. a kind of excavator bucket oil cylinder, it is characterised in that：Including piston rod（1）, guide sleeve（2）, cylinder body（3）, piston（4）With
Cylinder bottom（5）, the cylinder body（3）Wherein one end is by cylinder bottom（5）Sealing, the cylinder body（3）Open end inner wall connect guide sleeve
（2）, the guide sleeve（2）Outer wall on both ends be equipped with the first O-ring seals（6）, the cylinder body（3）It is equipped with close to open end
Preceding hydraulic fluid port（7）, the cylinder bottom（5）It is equipped with rear hydraulic fluid port（8）, the cylinder body（3）Inside it is divided into rod chamber（9）And rodless cavity（10）,
The preceding hydraulic fluid port（7）With the rod chamber（9）Connection, the rear hydraulic fluid port（8）With the rodless cavity（10）Connection, the preceding hydraulic fluid port
（7）With the rear hydraulic fluid port（8）Respectively connect transition oil pipe（11）, the transition oil pipe（11）Pass through holder（12）It is supported on cylinder
Body（3）Medium position, the guide sleeve（2）Inner wall and piston rod（1）Outer wall sealing cooperation, the guide sleeve（2）Inner wall on
It is equipped with hole baffle ring successively（13）, dustband（14）, axle sealing ring（15）, bumper ring（16）, sliding shaft sleeve（17）It is used with hole
Elastic spring（18）, the piston rod（1）It is placed in cylinder body（3）In one end end on connect piston（4）, the piston（4）It is interior
Wall is equipped with the second O-ring seals（19）, the piston（4）Outer wall front and cylinder body（3）Inner wall sealing coordinate, on the outer wall according to
It is secondary to be equipped with first and receive dirty ring（20）, first molding guide ring（21）, hole sealing ring（22）, second molding guide ring（23）With
Two receive dirty ring（24）, the piston（4）External rear wall and cylinder body（3）There are gaps for inner wall, are equipped with tapped through hole on the outer wall
（25）, the tapped through hole（25）Built-in steel ball（26）, the tapped through hole（25）Hexagonal holding screw in being threadedly coupled（27）,
The interior hexagonal holding screw（27）It is against steel ball（26）On, the steel ball（26）It is against piston rod（1）Groove in, the work
Stopper rod（1）It is placed in cylinder body（3）The first earrings is connected on external one end（28）, the cylinder bottom（5）It is equipped with the second earrings（29）,
First earrings（28）With second earrings（29）Equal inner sleeve（30）, the axle sleeve（30）Both ends are equipped with dustband
（31）, first earrings（28）With second earrings（29）On be equipped with lubricating cup（32）.
2. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：Hydraulic fluid port after described（8）It is welded on cylinder
Bottom（5）Side, the cylinder bottom（5）It is corresponding on side to be equipped with oil inlet passage（33）.
3. a kind of excavator bucket oil cylinder according to claim 2, it is characterised in that：The oil inlet passage（33）At right angles
Shape, and it is connected to rodless cavity（10）.
4. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The cylinder bottom（5）With described second
Earrings（29）It is integrally formed.
5. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The cylinder body（3）Internal diameter is 85mm,
The piston rod（1）A diameter of 55mm.
6. a kind of excavator bucket oil cylinder according to claim 5, it is characterised in that：The cylinder body（3）With the piston
Bar（1）Reel ranging from 1108-1836mm.
7. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The piston（4）Stroke be
728mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054380.0U CN207762050U (en) | 2018-01-13 | 2018-01-13 | A kind of excavator bucket oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054380.0U CN207762050U (en) | 2018-01-13 | 2018-01-13 | A kind of excavator bucket oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762050U true CN207762050U (en) | 2018-08-24 |
Family
ID=63184263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054380.0U Expired - Fee Related CN207762050U (en) | 2018-01-13 | 2018-01-13 | A kind of excavator bucket oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425185A (en) * | 2019-08-23 | 2019-11-08 | 红旗仪表（长兴）有限公司 | A kind of novel high-pressure accurate voltage regulating device |
-
2018
- 2018-01-13 CN CN201820054380.0U patent/CN207762050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425185A (en) * | 2019-08-23 | 2019-11-08 | 红旗仪表（长兴）有限公司 | A kind of novel high-pressure accurate voltage regulating device |
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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: 20180824 Termination date: 20220113 |