CN207762049U - A kind of excavator bucket oil cylinder - Google Patents
A kind of excavator bucket oil cylinder Download PDFInfo
- Publication number
- CN207762049U CN207762049U CN201820054379.8U CN201820054379U CN207762049U CN 207762049 U CN207762049 U CN 207762049U CN 201820054379 U CN201820054379 U CN 201820054379U CN 207762049 U CN207762049 U CN 207762049U
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- wall
- piston rod
- piston
- earrings
- cylinder body
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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, weld guide holder in the open end of cylinder body, guide holder connects guide sleeve, it is arranged with locknut successively on one end end that piston rod is placed in cylinder body, piston and cushion collar, locknut side is equipped with tapped through hole, steel ball built in tapped through hole, tapped through hole is threadedly coupled interior hexagonal holding screw, 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, cylinder bottom side is equipped with rear hydraulic fluid port, guide holder side is equipped with preceding hydraulic fluid port.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
Guide holder is welded, the guide holder is coaxially disposed with cylinder body, and internal diameter is identical, and the guide holder connects guide sleeve, described to lead
Include front, middle part and rear portion to set, the rear portion outer wall coordinates with guide holder inner wall sealing, and the central raised setting is convex
Origin or beginning is against on the open end of guide holder, and the middle part is connect by hexagon socket cap head screw with guide holder, in the front
Wall coordinates with the sealing of piston rod outer wall, and the rear portion outer wall is equipped with the first O-ring seals, is equipped with successively in the front inner wall
Hole elastic spring, sliding shaft sleeve, the first bumper ring, axle sealing ring, dustband and hole baffle ring, the inner wall at the middle part and
There are gap between the inner wall and piston rod outer wall at the rear portion, covered successively on one end end that the piston rod is placed in cylinder body
Equipped with locknut, piston and cushion collar, the cushion collar is arranged on the piston rod, and one end is supported on the piston rod, and the other end supports
On one end of piston, the cushion collar inner wall coordinates with the sealing of piston rod outer wall, and second is equipped on the cushion collar inner wall
Bumper ring, the cushion collar can be fastened between the inner wall at the middle part and the inner wall at the rear portion and piston rod outer wall there are
Gap in, the piston other end is against on locknut, and the sealing of the piston inner wall and piston rod outer wall coordinates, in the piston
Inner wall is equipped with the second O-ring seals, and the piston outer wall coordinates with inboard wall of cylinder block sealing, set successively on the piston outer wall
Have the first molding guide ring, first receive dirty ring, hole sealing ring, second receive dirty ring and the second molding guide ring, in the locknut
Wall coordinates with piston rod outer wall sealing, and the locknut side is equipped with tapped through hole, steel ball built in the tapped through hole, institute
It states tapped through hole and is threadedly coupled interior hexagonal holding screw, the interior hexagonal holding screw is against on steel ball, and the steel ball is against work
In the groove of stopper rod, the piston rod, which is placed on one end outside cylinder body, connects the first earrings, and the cylinder bottom is equipped with the second ear
Ring, first earrings and the equal inner sleeve of the second earrings, the axle sleeve both ends are equipped with dustband, first earrings
Be equipped with lubricating cup on second earrings, the cylinder bottom side is equipped with rear hydraulic fluid port, it is described after hydraulic fluid port pass through interior hexagonal cylindrical head
Screw connects lower cavity oil pipe component, and the guide holder side is equipped with preceding hydraulic fluid port, and the preceding hydraulic fluid port passes through hexagon socket cap head screw
Epicoele oil pipe component is connected, the input end of the epicoele oil pipe component is placed in cylinder bottom side, and symmetrical with lower cavity oil pipe component
Setting, the cylinder body are equipped with anchor ear close to one end of cylinder bottom, and the anchor ear is equipped with briquetting, and the briquetting is clamped epicoele oil pipe
Component is divided into rod chamber and rodless cavity in the cylinder body, and the preceding hydraulic fluid port is connected to the rod chamber, it is described after hydraulic fluid port with it is described
Rodless cavity is connected to.
Further, angle of the lubricating cup on first earrings and second earrings between piston rod axis is in
30°。
Further, the cylinder bottom is integrally formed with second earrings.
Further, the cylinder diameter is 120mm, and the diameter of piston rod is 80mm.
Further, the cylinder body and the piston rod reel ranging from 1655-2720mm.
Further, the stroke of the piston is 1065mm.
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.
Fig. 3 is a kind of structural representation right side view of excavator bucket oil cylinder of the present invention.
1. piston rod in the figure, 2. cylinder bodies, 3. pistons, 4. cylinder bottoms, 5. guide holders, 6. fronts, 7. middle parts, 8. rear portions, 9.
First O-ring seals, 10. hole elastic springs, 11. sliding shaft sleeves, 12. first bumper rings, 13. axle sealing rings, 14. is dust-proof
Circle, 15. hole baffle rings, 16. locknuts, 17. cushion collars, 18. second bumper rings, 19. second O-ring seals, 20. first moldings are led
Xiang Huan, 21. first receive dirty ring, 22. hole sealing rings, and 23. second receive dirty ring, 24. second molding guide rings, 25. tapped through holes,
26. steel ball, hexagonal holding screw in 27., 28. first earrings, 29. second earrings, 30. axle sleeves, 31. dustbands, 32. lubricating cups,
33. hydraulic fluid port after, 34. lower cavity oil pipe components, hydraulic fluid port before 35., 36. epicoele oil pipe components, 37. anchor ears, 38. briquettings, 39. have bar
Chamber, 40. rodless cavities.
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 figs. 1 to 3,1. piston rod, 2. cylinder bodies, 3. pistons, 4. cylinder bottoms, 5. guide holders, 6. fronts, 7. middle parts, 8.
Rear portion, 9. first O-ring seals, 10. hole elastic springs, 11. sliding shaft sleeves, 12. first bumper rings, 13. axle sealing rings,
14. dustband, 15. hole baffle rings, 16. locknuts, 17. cushion collars, 18. second bumper rings, 19. second O-ring seals, 20.
One molding guide ring, 21. first receive dirty ring, 22. hole sealing rings, and 23. second receive dirty ring, 24. second molding guide rings, 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, hydraulic fluid port after 33., 34. lower cavity oil pipe components, hydraulic fluid port before 35., 36. epicoele oil pipe components, 37. anchor ears, 38. briquettings,
39. rod chamber, 40. rodless cavities.
A kind of excavator bucket oil cylinder, it is characterised in that：Including piston rod 1, guide sleeve, cylinder body 2, piston 3 and cylinder bottom 4,
The wherein one end of cylinder body 2 is sealed by cylinder bottom 4, and guide holder 5 is welded in the open end of cylinder body 2, and guide holder 5 is coaxially disposed with cylinder body 2, and
Internal diameter is identical, and guide holder 5 connects guide sleeve, and guide sleeve includes front 6, middle part 7 and rear portion 8,8 outer wall of rear portion in guide holder 5
Wall sealing cooperation, 7 protrusion setting of middle part, protruding end are against on the open end of guide holder 5, and middle part 7 passes through interior hexagonal cylindrical head spiral shell
Nail is connect with guide holder 5, and 6 inner wall of front coordinates with the sealing of 1 outer wall of piston rod, and 8 outer wall of rear portion is equipped with the first O-ring seals 9,
Hole elastic spring 10, sliding shaft sleeve 11, the first bumper ring 12, axle sealing ring 13, dustband are equipped on 6 inner wall of front successively
14 and hole baffle ring 15, there are gaps, piston rod 1 to be placed between 1 outer wall of the inner wall at middle part 7 and the inner wall at rear portion 8 and piston rod
Locknut 16, piston 3 and cushion collar 17 are arranged on one end end in cylinder body 2 successively, cushion collar 17 is set on piston rod 1,
And one end is against on piston rod 1, and the other end is against on one end of piston 3, and 17 inner wall of cushion collar is matched with the sealing of 1 outer wall of piston rod
Close, on 17 inner wall of cushion collar be equipped with the second bumper ring 18, cushion collar 17 can be fastened on middle part 7 inner wall and rear portion 8 it is interior
Between 1 outer wall of wall and piston rod there are gap in, 3 other end of piston is against on locknut 16, outside 3 inner wall of piston and piston rod 1
Wall sealing cooperation, is equipped with the second O-ring seals 19,3 outer wall of piston coordinates with 2 inner wall sealing of cylinder body, in work on 3 inner wall of piston
Fill on 3 outer walls be equipped with successively the first molding guide ring 20, first receive dirty ring 21, hole sealing ring 22, second receive dirty ring 23 and the
Two molding guide rings 24,16 inner wall of locknut coordinate with the sealing of 1 outer wall of piston rod, and 16 side of locknut is equipped with tapped through hole 25, spiral shell
Steel ball 26 built in line through-hole 25, screw thread lead to 25 holes and are threadedly coupled interior hexagonal holding screw 27, and interior hexagonal holding screw 27 is against steel
On ball 26, steel ball 26 is against in the groove of piston rod 1, and the first earrings 28 is connected on one end that piston rod 1 is placed in outside cylinder body 2,
Cylinder bottom 4 is equipped with the second earrings 29, and 29 equal inner sleeve 30 of the first earrings 28 and the second earrings, 30 both ends of axle sleeve are equipped with dust-proof
31 are enclosed, lubricating cup 32 is equipped on the first earrings 28 and the second earrings 29,4 side of cylinder bottom is equipped with rear hydraulic fluid port 33, and rear hydraulic fluid port 33 passes through
Hexagon socket cap head screw connects lower cavity oil pipe component 34, and 5 side of guide holder is equipped with preceding hydraulic fluid port 35, and preceding hydraulic fluid port 35 passes through interior hexagonal
Fillister head screw connects epicoele oil pipe component 36, and the input end of epicoele oil pipe component 36 is placed in 4 side of cylinder bottom, and oily with cavity of resorption
Tube assembly 34 is symmetrical arranged, and cylinder body 2 is equipped with anchor ear 37 close to one end of cylinder bottom 4, and anchor ear 37 is equipped with briquetting 38, and briquetting 38 blocks
Chamber oil pipe component 36 is connected, rod chamber 39 and rodless cavity 40 are divided into cylinder body 2, preceding hydraulic fluid port 35 is connected to rod chamber 39, rear hydraulic fluid port
33 are connected to rodless cavity 40.
Angle of the lubricating cup 32 between 1 axis of piston rod on first earrings 28 and the second earrings 29 is in 30 °.
Cylinder bottom 4 and the second earrings 29 are integrally formed.
2 internal diameter of cylinder body is 120mm, 1 a diameter of 80mm of piston rod.
Cylinder body 2 reels ranging from 1655-2720mm with piston rod 1.
The stroke of piston 3 is 1065mm.
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 (6)
1. a kind of excavator bucket oil cylinder, it is characterised in that：Including piston rod（1）, guide sleeve, cylinder body（2）, piston（3）And cylinder
Bottom（4）, the cylinder body（2）Wherein one end is by cylinder bottom（4）Sealing, the cylinder body（2）Open end weld guide holder（5）, described
Guide holder（5）With cylinder body（2）Coaxial arrangement, and internal diameter is identical, the guide holder（5）Connect guide sleeve, the guide sleeve packet
Include front（6）, middle part（7）The rear portion and（8）, the rear portion（8）Outer wall and guide holder（5）Inner wall sealing coordinates, the middle part（7）
Protrusion setting, protruding end are against guide holder（5）Open end on, the middle part（7）Pass through hexagon socket cap head screw and guiding
Seat（5）Connection, the front（6）Inner wall and piston rod（1）Outer wall sealing cooperation, the rear portion（8）Outer wall is equipped with the first O shapes
Sealing ring（9）, the front（6）Hole elastic spring is equipped on inner wall successively（10）, sliding shaft sleeve（11）, the first bumper ring
（12）, axle sealing ring（13）, dustband（14）With hole baffle ring（15）, the middle part（7）Inner wall and the rear portion（8）'s
Inner wall and piston rod（1）There are gap, the piston rods between outer wall（1）It is placed in cylinder body（2）In one end end on cover successively
Equipped with locknut（16）, piston（3）And cushion collar（17）, the cushion collar（17）It is set in piston rod（1）On, and one end is against
Piston rod（1）On, the other end is against piston（3）One end on, the cushion collar（17）Inner wall and piston rod（1）Outer wall sealing is matched
It closes, in the cushion collar（17）Inner wall is equipped with the second bumper ring（18）, the cushion collar（17）The middle part can be fastened on
（7）Inner wall and the rear portion（8）Inner wall and piston rod（1）Between outer wall there are gap in, the piston（3）The other end
It is against locknut（16）On, the piston（3）Inner wall and piston rod（1）Outer wall sealing cooperation, in the piston（3）Inner wall is equipped with
Second O-ring seals（19）, the piston（3）Outer wall and cylinder body（2）Inner wall sealing coordinates, in the piston（3）On outer wall according to
It is secondary to be equipped with the first molding guide ring（20）, first receive dirty ring（21）, hole sealing ring（22）, second receive dirty ring（23）With the second one-tenth
Type guide ring（24）, the locknut（16）Inner wall and the piston rod（1）Outer wall sealing cooperation, the locknut（16）It is set on side
There is tapped through hole（25）, the tapped through hole（25）Built-in steel ball（26）, the tapped through hole（25）Hexagonal is tight in being threadedly coupled
Determine screw（27）, the interior hexagonal holding screw（27）It is against steel ball（26）On, the steel ball（26）It is against piston rod（1）It is recessed
In slot, the piston rod（1）It is placed in cylinder body（2）The first earrings is connected on external one end（28）, the cylinder bottom（4）It is equipped with the
Two earrings（29）, first earrings（28）With second earrings（29）Equal inner sleeve（30）, the axle sleeve（30）Both ends
It is equipped with dustband（31）, first earrings（28）With second earrings（29）On be equipped with lubricating cup（32）, the cylinder bottom
（4）Side is equipped with rear hydraulic fluid port（33）, the rear hydraulic fluid port（33）Lower cavity oil pipe component is connected by hexagon socket cap head screw（34）,
The guide holder（5）Side is equipped with preceding hydraulic fluid port（35）, the preceding hydraulic fluid port（35）Epicoele oil is connected by hexagon socket cap head screw
Tube assembly（36）, the epicoele oil pipe component（36）Input end be placed in cylinder bottom（4）Side, and with lower cavity oil pipe component（34）
It is symmetrical arranged, the cylinder body（2）Close to cylinder bottom（4）One end be equipped with anchor ear（37）, the anchor ear（37）It is equipped with briquetting
（38）, the briquetting（38）It is clamped epicoele oil pipe component（36）, the cylinder body（2）Inside it is divided into rod chamber（39）And rodless cavity
（40）, the preceding hydraulic fluid port（35）With the rod chamber（39）Connection, the rear hydraulic fluid port（33）With the rodless cavity（40）Connection.
2. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：First earrings（28）With it is described
Second earrings（29）On lubricating cup（32）And piston rod（1）Angle between axis is in 30 °.
3. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The cylinder bottom（4）With described second
Earrings（29）It is integrally formed.
4. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The cylinder body（2）Internal diameter is
120mm, the piston rod（1）A diameter of 80mm.
5. a kind of excavator bucket oil cylinder according to claim 4, it is characterised in that：The cylinder body（2）With the piston
Bar（1）Reel ranging from 1655-2720mm.
6. a kind of excavator bucket oil cylinder according to claim 1, it is characterised in that：The piston（3）Stroke be
1065mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054379.8U CN207762049U (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 |
|---|---|---|---|
| CN201820054379.8U CN207762049U (en) | 2018-01-13 | 2018-01-13 | A kind of excavator bucket oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762049U true CN207762049U (en) | 2018-08-24 |
Family
ID=63184211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054379.8U Expired - Fee Related CN207762049U (en) | 2018-01-13 | 2018-01-13 | A kind of excavator bucket oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503287A (en) * | 2021-07-01 | 2021-10-15 | 燕山大学 | Double-cylinder barrel symmetric double-piston hydraulic cylinder without cylinder cover |
-
2018
- 2018-01-13 CN CN201820054379.8U patent/CN207762049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503287A (en) * | 2021-07-01 | 2021-10-15 | 燕山大学 | Double-cylinder barrel symmetric double-piston hydraulic cylinder without cylinder cover |
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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 |
Granted publication date: 20180824 Termination date: 20220113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |