CN207715469U - A kind of bucket rod cylinder of excavator - Google Patents
A kind of bucket rod cylinder of excavator Download PDFInfo
- Publication number
- CN207715469U CN207715469U CN201820054347.8U CN201820054347U CN207715469U CN 207715469 U CN207715469 U CN 207715469U CN 201820054347 U CN201820054347 U CN 201820054347U CN 207715469 U CN207715469 U CN 207715469U
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- wall
- cylinder
- piston rod
- piston
- hole
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Abstract
The utility model discloses a kind of bucket rod cylinder of excavator, 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, the open end inner wall of cylinder body connects guide sleeve, there are gaps with piston rod outer wall for guide sleeve rear inner wall, it is stepped cylinder that the piston rod, which is placed in one end end in cylinder body, epicoele cushion collar can be fastened between guide sleeve rear inner wall and piston rod outer wall there are gap in, 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, first earrings and the equal inner sleeve of the second earrings, cylinder body is equipped with preceding hydraulic fluid port close to open end, the corresponding cylinder body of preceding hydraulic fluid port and guide sleeve back-end location are equipped with radial through-hole, cylinder bottom side is equipped with rear hydraulic fluid port, the corresponding cylinder bottom side locations of hydraulic fluid port are equipped with radial blind holes afterwards, cylinder bottom is axially arranged with a counterbore, counterbore is connected with radial blind holes.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 bucket rod cylinder of excavator.
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 arm 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 arm cylinder.
In order to achieve the above object, the technical solution adopted in the present invention is：A kind of bucket rod cylinder of excavator, it is characterised in that：
Including piston rod, guide sleeve, cylinder body, piston, epicoele cushion collar, cavity of resorption cushion collar and cylinder bottom, the cylinder body wherein one end is by cylinder
Bottom seals, the open end inner wall connection guide sleeve of the cylinder body, and both ends and middle part are equipped with the first O on the outer wall of the guide sleeve
Shape sealing ring, guide sleeve inner wall front end coordinates with the sealing of piston rod outer wall, outside the guide sleeve rear inner wall and piston rod
Wall be equipped with successively there are gap, in the guide sleeve front inner wall the first dustband, hole baffle ring, axle sealing ring, bumper ring,
Sliding shaft sleeve and hole elastic spring, it is stepped cylinder that the piston rod, which is placed in one end end in cylinder body, is arranged with successively
Epicoele cushion collar, piston and cavity of resorption cushion collar, the epicoele cushion collar is arranged on the piston rod, and one end is against piston rod
On, the other end is against on one end of piston, and the epicoele cushion collar inner wall coordinates with the sealing of piston rod outer wall, the epicoele buffering
Set can be fastened between the guide sleeve rear inner wall and piston rod outer wall there are gap in, the piston inner wall is equipped with
Second O-ring seals, the sealing of the piston outer wall front and inboard wall of cylinder block coordinate, on the outer wall successively equipped with first receive dirty ring,
First molding guide ring, hole sealing ring, the second molding guide ring and second receive dirty ring, the piston outer wall rear portion in cylinder body
There are gaps for wall, are equipped with tapped through hole, steel ball built in the tapped through hole on the outer wall, and the tapped through hole is threadedly coupled interior six
Angle holding screw, the interior hexagonal holding screw are against on steel ball, and the steel ball is against in the groove of piston rod, and the cavity of resorption is slow
Punching set inner wall coordinates with the sealing of piston rod outer wall, and retainer ring is equipped between the cavity of resorption cushion collar and the piston, and the cavity of resorption is slow
It is equipped with buffering ring between punching set middle part and plunger rod contacts face, cavity of resorption cushion collar end portion is clamped with piston rod by baffle ring,
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 earrings, first ear
Ring and the equal inner sleeve of the second earrings, the axle sleeve both ends are equipped with the second dustband, first earrings and described
It is equipped with lubricating cup on two earrings, rod chamber and rodless cavity are divided into the cylinder body, the cylinder body is equipped with preceding oil close to open end
Mouthful, the corresponding cylinder body of the preceding hydraulic fluid port and guide sleeve back-end location are equipped with radial through-hole, on the guide sleeve in axial direction
Equipped with the first oil-through hole, first oil-through hole one end is connected to radial through-hole, and the other end is connected to rod chamber, the cylinder bottom side
It is equipped with rear hydraulic fluid port, the corresponding cylinder bottom side locations of the rear hydraulic fluid port are equipped with radial blind holes, and it is heavy that the cylinder bottom is axially arranged with one
Hole, the counterbore are connected with radial blind holes, and the inner wall of the counterbore and the outer wall sealing of the cavity of resorption cushion collar coordinate, described
The second oil-through hole is in axial direction equipped on cavity of resorption cushion collar, second oil-through hole one end connect with rodless cavity, the other end and
Counterbore is connected to, and the preceding hydraulic fluid port is connected to the rod chamber, and the rear hydraulic fluid port is connected to the rodless cavity, the preceding hydraulic fluid port connection
The input end of oil pipe component, the oil pipe component is placed in cylinder bottom side, and is symmetrical arranged with rear hydraulic fluid port.
Further, the cylinder bottom is integrally formed with second earrings.
Further, the lubricating cup on first earrings and piston rod axis are in 90 °, the lubricating cup on second earrings with
Piston rod axis is in 30 °.
Further, the cylinder diameter is 90mm, and the diameter of piston rod is 60mm.
Further, the cylinder body and the piston rod reel ranging from 1390-2325mm.
Further, the stroke of the piston is 935mm.
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 bucket rod cylinder of excavator of the present invention.
Fig. 2 is a kind of structural representation overhead sectional view of bucket rod cylinder of excavator of the present invention.
Fig. 3 is a kind of structural representation right view of bucket rod cylinder of excavator of the present invention.
1. piston rod in the figure, 2. guide sleeves, 3. cylinder bodies, 4. pistons, 5. epicoele cushion collars, 6. cavity of resorption cushion collars, 7. cylinders
Bottom, 8. first O-ring seals, 9. first dustbands, 10. hole baffle rings, 11. axle sealing rings, 12. bumper rings, 13. sliding axles
Set, 14. hole elastic springs, 15. second O-ring seals, 16. first receive dirty ring, 17. first molding guide rings, and 18. holes are with close
Seal ring, 19. second molding guide rings, 20. second receive dirty ring, 21. tapped through holes, 22. steel balls, hexagonal holding screw in 23.,
24. retainer ring, 25. buffering rings, 26. baffle rings, 27. first earrings, 28. second earrings, 29. axle sleeves, 30. second dustbands, 31. oil
Cup, 32. rod chambers, 33. rodless cavities, hydraulic fluid port before 34., 35. radial through-hole, hydraulic fluid port after 36., 37. radial blind holes, 38. counterbores,
39. oil pipe component.
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. guide sleeves, 3. cylinder bodies, 4. pistons, 5. epicoele cushion collars, 6. cavity of resorptions buffering
Set, 7. cylinder bottoms, 8. first O-ring seals, 9. first dustbands, 10. hole baffle rings, 11. axle sealing rings, 12. bumper rings,
13. sliding shaft sleeve, 14. hole elastic springs, 15. second O-ring seals, 16. first receive dirty ring, 17. first molding guide rings,
18. hole sealing ring, 19. second molding guide rings, 20. second receive dirty ring, 21. tapped through holes, 22. steel balls, and hexagonal is tight in 23.
Determine screw, 24. retainer rings, 25. buffering rings, 26. baffle rings, 27. first earrings, 28. second earrings, 29. axle sleeves, 30. second is dust-proof
It encloses, 31. lubricating cups, 32. rod chambers, 33. rodless cavities, hydraulic fluid port before 34., 35. radial through-hole, hydraulic fluid port after 36., 37. radial blind holes,
38. counterbore, 39. oil pipe components.
A kind of bucket rod cylinder of excavator, it is characterised in that：It is slow including piston rod 1, guide sleeve 2, cylinder body 3, piston 4, epicoele
Punching set 5, cavity of resorption cushion collar 6 and cylinder bottom 7, the wherein one end of cylinder body 3 are sealed by cylinder bottom 7, and the open end inner wall of cylinder body 3 connects guide sleeve
2, both ends and middle part are equipped with the first O-ring seals 8,2 inner wall front end of guide sleeve and 1 outer wall of piston rod on the outer wall of guide sleeve 2
Sealing cooperation, it is anti-that 2 rear inner wall of guide sleeve and 1 outer wall of piston rod there are gap, in 2 front inner wall of guide sleeve are equipped with first successively
Konisphere 9, hole baffle ring 10, axle sealing ring 11, bumper ring 12, sliding shaft sleeve 13 and hole elastic spring 14, piston rod 1 are placed in
One end end in cylinder body 3 is stepped cylinder, is arranged with epicoele cushion collar 5, piston 4 and cavity of resorption cushion collar 6 successively, and epicoele is slow
Punching set 5 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 4, epicoele cushion collar
5 inner walls coordinate with the sealing of 1 outer wall of piston rod, and epicoele cushion collar 5 can be fastened on 2 rear inner wall of guide sleeve and 1 outer wall of piston rod
Between there are gap in, 4 inner wall of piston is equipped with the second O-ring seals 15,4 outer wall front of piston and 3 inner wall sealing of cylinder body
Cooperation, on the outer wall successively be equipped with first receive dirty ring 16, first be molded guide ring 17, hole sealing ring 18, second molding guiding
Ring 19 and second receives dirty ring 20, and there are gaps with 3 inner wall of cylinder body for 4 external rear wall of piston, is equipped with tapped through hole 21, spiral shell on the outer wall
Steel ball 22 built in line through-hole 21, tapped through hole 21 are threadedly coupled interior hexagonal holding screw 23, and interior hexagonal holding screw 23 is against steel
On ball 22, steel ball 22 is against in the groove of piston rod 1, and 6 inner wall of cavity of resorption cushion collar coordinates with the sealing of 1 outer wall of piston rod, and cavity of resorption is slow
It is equipped with retainer ring 24 between punching set 6 and piston 4, buffering ring 25 is equipped between 6 middle part of cavity of resorption cushion collar and 1 contact surface of piston rod, under
6 end portion of chamber cushion collar is clamped with piston rod 1 by baffle ring 26, and the first earrings is connected on one end that piston rod 1 is placed in outside cylinder body 3
27, cylinder bottom 7 is equipped with the second earrings 28, and 28 equal inner sleeve 29 of the first earrings 27 and second earrings, 29 both ends of axle sleeve are equal
Equipped with the second dustband 30, it is equipped with lubricating cup 31 on the first earrings 27 and the second earrings 28, rod chamber 32 and nothing are divided into cylinder body 3
Rod cavity 33, cylinder body 3 are equipped with preceding hydraulic fluid port 34 close to open end, and 34 corresponding cylinder body 3 of preceding hydraulic fluid port and 2 back-end location of guide sleeve are all provided with
There is radial through-hole 35, the first oil-through hole 40,40 one end of the first oil-through hole and radial through-hole 35 are in axial direction equipped on guide sleeve 2
Connection, the other end are connected to rod chamber 32, and 7 side of cylinder bottom is equipped with rear hydraulic fluid port 36, in 36 corresponding cylinder bottom of rear hydraulic fluid port, 7 side locations
Equipped with radial blind holes 37, cylinder bottom 7 is axially arranged with a counterbore 38, and counterbore 38 is connected with radial blind holes 37, the inner wall of counterbore 38 with
The outer wall sealing of cavity of resorption cushion collar 6 coordinates, and the second oil-through hole 41, the second oil-through hole are in axial direction equipped on cavity of resorption cushion collar 6
41 one end are connect with rodless cavity 33, and the other end is connected to counterbore 38, and preceding hydraulic fluid port 34 is connected to rod chamber 32, rear hydraulic fluid port 36 and no bar
Chamber 33 is connected to, 34 connected pipes component 39 of preceding hydraulic fluid port, and the input end of oil pipe component 39 is placed in 7 side of cylinder bottom, and with rear hydraulic fluid port
36 are symmetrical arranged.
Cylinder bottom 3 is integrally formed with second earrings 28.
Lubricating cup 31 and 1 axis of piston rod on first earrings 27 are in 90 °, the lubricating cup 31 on the second earrings 28 and piston rod 1
Axis is in 30 °.
3 internal diameter of cylinder body is 90mm, 1 a diameter of 60mm of piston rod.
Cylinder body 3 reels ranging from 1390-2325mm with piston rod 1.
The stroke of piston 4 is 935mm.
In use, bucket arm cylinder is installed between dipper and swing arm；Carried out bulge test in a pre-installation does not have for 24 hours
There is a phenomenon where oil leaks；Capable of expansion and contraction after installation, and after practice test, cumulative activation 2000 hours is without oil leak, pressure release
Situation 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 production
The economic benefit of efficiency and production.
Claims (6)
1. a kind of bucket rod cylinder of excavator, it is characterised in that：Including piston rod（1）, guide sleeve（2）, cylinder body（3）, piston（4）、
Epicoele cushion collar（5）, cavity of resorption cushion collar（6）And cylinder bottom（7）, the cylinder body（3）Wherein one end is by cylinder bottom（7）Sealing, the cylinder
Body（3）Open end inner wall connect guide sleeve（2）, the guide sleeve（2）Outer wall on to be equipped with the first O shapes close both ends and middle part
Seal（8）, the guide sleeve（2）Inner wall front end and piston rod（1）Outer wall sealing cooperation, the guide sleeve（2）Rear inner wall with
Piston rod（1）There are gap, the guide sleeves for outer wall（2）The first dustband is equipped in front inner wall successively（9）, hole baffle ring
（10）, axle sealing ring（11）, bumper ring（12）, sliding shaft sleeve（13）And hole elastic spring（14）, the piston rod（1）It sets
In cylinder body（3）In one end end be stepped cylinder, be arranged with epicoele cushion collar successively（5）, piston（4）With cavity of resorption cushion collar
（6）, the epicoele cushion collar（5）It is set in piston rod（1）On, and one end is against piston rod（1）On, the other end is against piston
（4）One end on, the epicoele cushion collar（5）Inner wall and piston rod（1）Outer wall sealing cooperation, the epicoele cushion collar（5）Energy
Enough it is fastened on the guide sleeve（2）Rear inner wall and piston rod（1）Between outer wall there are gap in, the piston（4）Inner wall
It is equipped with the second O-ring seals（15）, the piston（4）Outer wall front and cylinder body（3）Inner wall sealing coordinates, on the outer wall successively
Dirty ring is received equipped with first（16）, first molding guide ring（17）, hole sealing ring（18）, second molding guide ring（19）With second
Receive dirty ring（20）, 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（21）,
The tapped through hole（21）Built-in steel ball（22）, the tapped through hole（21）Hexagonal holding screw in being threadedly coupled（23）, described
Interior hexagonal holding screw（23）It is against steel ball（22）On, the steel ball（22）It is against piston rod（1）Groove in, the cavity of resorption is slow
Punching set（6）Inner wall and piston rod（1）Outer wall sealing cooperation, the cavity of resorption cushion collar（6）With the piston（4）Between be equipped with retainer ring
（24）, the cavity of resorption cushion collar（6）Middle part and piston rod（1）Buffering ring is equipped between contact surface（25）, the cavity of resorption cushion collar
（6）Last portion and piston rod（1）Pass through baffle ring（26）Clamping, the piston rod（1）It is placed in cylinder body（3）The is connected on external one end
One earrings（27）, the cylinder bottom（7）It is equipped with the second earrings（28）, first earrings（27）With second earrings（28）
Inner sleeve（29）, the axle sleeve（29）Both ends are equipped with the second dustband（30）, first earrings（27）With described second
Earrings（28）On be equipped with lubricating cup（31）, the cylinder body（3）Inside it is divided into rod chamber（32）And rodless cavity（33）, the cylinder body（3）
It is equipped with preceding hydraulic fluid port close to open end（34）, the preceding hydraulic fluid port（34）Corresponding cylinder body（3）And guide sleeve（2）Back-end location is all provided with
There is radial through-hole（35）, the guide sleeve（2）On in axial direction be equipped with the first oil-through hole（40）, first oil-through hole（40）
One end and radial through-hole（35）Connection, the other end are connected to rod chamber（32）, the cylinder bottom（7）Side is equipped with rear hydraulic fluid port（36）,
Hydraulic fluid port after described（36）Corresponding cylinder bottom（7）Side locations are equipped with radial blind holes（37）, the cylinder bottom（7）It is heavy to be axially arranged with one
Hole（38）, the counterbore（38）With radial blind holes（37）It is connected, the counterbore（38）Inner wall and the cavity of resorption cushion collar（6）
Outer wall sealing cooperation, the cavity of resorption cushion collar（6）On in axial direction be equipped with the second oil-through hole（41）, second oil-through hole
（41）One end and rodless cavity（33）Connection, the other end and counterbore（38）Connection, the preceding hydraulic fluid port（34）With the rod chamber（32）
Connection, the rear hydraulic fluid port（36）With the rodless cavity（33）Connection, the preceding hydraulic fluid port（34）Connected pipes component（39）, the oil
Tube assembly（39）Input end be placed in cylinder bottom（7）Side, and with rear hydraulic fluid port（36）It is symmetrical arranged.
2. a kind of bucket rod cylinder of excavator according to claim 1, it is characterised in that：The cylinder bottom（7）With described second
Earrings（28）It is integrally formed.
3. a kind of bucket rod cylinder of excavator according to claim 1, it is characterised in that：First earrings（27）On oil
Cup（31）With piston rod（1）Axis is in 90 °, second earrings（28）On lubricating cup（31）With piston rod（1）Axis is in 30 °.
4. a kind of bucket rod cylinder of excavator according to claim 1, it is characterised in that：The cylinder body（3）Internal diameter is 90mm,
The piston rod（1）A diameter of 60mm.
5. a kind of bucket rod cylinder of excavator according to claim 4, it is characterised in that：The cylinder body（3）With the piston
Bar（1）Reel ranging from 1390-2325mm.
6. a kind of bucket rod cylinder of excavator according to claim 1, it is characterised in that：The piston（4）Stroke be
935mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054347.8U CN207715469U (en) | 2018-01-13 | 2018-01-13 | A kind of bucket rod cylinder of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054347.8U CN207715469U (en) | 2018-01-13 | 2018-01-13 | A kind of bucket rod cylinder of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715469U true CN207715469U (en) | 2018-08-10 |
Family
ID=63051900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054347.8U Expired - Fee Related CN207715469U (en) | 2018-01-13 | 2018-01-13 | A kind of bucket rod cylinder of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765141A (en) * | 2020-06-29 | 2020-10-13 | 徐州徐工随车起重机有限公司 | Bidirectional impact-proof hydraulic telescopic oil cylinder for lorry-mounted crane |
-
2018
- 2018-01-13 CN CN201820054347.8U patent/CN207715469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765141A (en) * | 2020-06-29 | 2020-10-13 | 徐州徐工随车起重机有限公司 | Bidirectional impact-proof hydraulic telescopic oil cylinder for lorry-mounted crane |
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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: 20180810 Termination date: 20220113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |