CN209671319U - A kind of cushioning device for hydraulic cylinder - Google Patents
A kind of cushioning device for hydraulic cylinder Download PDFInfo
- Publication number
- CN209671319U CN209671319U CN201920282911.6U CN201920282911U CN209671319U CN 209671319 U CN209671319 U CN 209671319U CN 201920282911 U CN201920282911 U CN 201920282911U CN 209671319 U CN209671319 U CN 209671319U
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- spring
- mounting plate
- fixed block
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a kind of cushioning device for hydraulic cylinder, including cylinder barrel and piston rod, the piston rod is fixedly installed with a fixed block far from one end of cylinder barrel, the piston rod and cylinder barrel junction are equipped with mounting plate, buffer unit is installed between the fixed block and mounting plate, the inside groove of the cylinder barrel is equipped with damping device, and the two sides outer wall of the cylinder barrel is symmetrically installed with protective device.Advantage is: the utility model is mounted with damping device in cylinder barrel bottom; and buffer unit is mounted between cylinder barrel and fixed block; by under the rebound effect of the first spring and second spring; so that piston rod will not be quickly pressed into cylinder barrel; avoid destruction of the piston rod to cylinder barrel; secondly, being mounted with protective device on the outer wall of cylinder barrel, it can protect cylinder barrel and reduce suffered horizontal impact power effect.
Description
Technical field
The utility model relates to hydraulic cylinder technical field more particularly to a kind of cushioning device for hydraulic cylinder.
Background technique
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic of straight reciprocating motion (or pendulum motion) is done and executes member
Part, its structure is simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from it, and do not have drive gap,
Movement is steady, therefore is used widely in the hydraulic system of various machinery.
Typically no buffer unit in the cylinder barrel of existing hydraulic cylinder, therefore the impact force between piston and cylinder cap is unable to get
Buffering, during moving reciprocatingly, piston can generate violent impact when commutating to cylinder cap, and not only noise is excessive, but also
Equipment can be damaged.
Utility model content
Purpose of the utility model is to solve lacking buffer unit problem in the prior art, and the one kind proposed is hydraulic
Cylinder buffer unit.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of cushioning device for hydraulic cylinder, including cylinder barrel and piston rod, the fixed peace in the one end of the piston rod far from cylinder barrel
Equipped with a fixed block, the piston rod and cylinder barrel junction are equipped with mounting plate, are equipped between the fixed block and mounting plate
The inside groove of buffer unit, the cylinder barrel is equipped with damping device, and the two sides outer wall of the cylinder barrel is symmetrically installed with protective device, described
Damping device includes baffle and the first spring, and the cylinder barrel is fixedly installed with the first spring on the inner wall far from piston rod one end,
First spring is fixedly installed with baffle close to one end of piston rod, and the buffer unit includes telescopic rod and second spring,
It is equidistant between the fixed block two outer walls mutually close with mounting plate that multiple telescopic rods, each telescopic rod are installed
On be arranged with second spring, and second spring, between fixed block and mounting plate, each telescopic rod both ends are fixed
Mounting blocks are installed, symmetrically offer slot on the mounting plate two outer walls mutually close with fixed block, the mounting plate and
Equidistant on the outer wall of fixed block to be inserted with bolt, each bolt runs through outer wall and the extension of fixed block and mounting plate
Into slot, threaded hole is offered on each mounting blocks, the threaded hole is engaged with bolt thread, the protective device
It is equidistant on the two sides outer wall of the cylinder barrel that multiple elastic rods are installed including protection board, elastic rod and third spring, described in every side
Elastic rod is equipped with protection board far from one end of cylinder barrel jointly, and third spring, and third bullet are arranged on each elastic rod
Spring is equipped with sealing ring between protection board and cylinder barrel between the mounting plate and cylinder barrel.
Compared with prior art, the utility model advantage is:
1 the utility model is mounted with damping device in the bottom interior wall of cylinder barrel, when piston rod is quickly pressed into cylinder barrel, gear
Plate is pushed by piston rod, and the screen resilience that the first spring-compressed generates buffers piston rod, so that piston rod will not decline
It is fast to destroy inside cylinder barrel, it is mounted with fixed block on the piston rod, and buffer unit is mounted between fixed block and cylinder barrel, using stretching
It is buffered when contracting bar and second spring are come to piston rod rapid decrease, improves the safety of hydraulic cylinder；
2 the utility model have been symmetrically installed two protection boards on the outside of cylinder barrel, in the impact force for receiving horizontal direction, the
Three springs and elastic rod carry out buffering and damping by compressive deformation, while by impact force, reduce the influence to cylinder barrel, improve hydraulic
The safety of bar；
In conclusion the utility model is mounted with damping device in cylinder barrel bottom, and installed between cylinder barrel and fixed block
Buffer unit, by under the rebound effect of the first spring and second spring, so that piston rod will not be quickly pressed into cylinder barrel,
Destruction of the piston rod to cylinder barrel is avoided, secondly, being mounted with protective device on the outer wall of cylinder barrel, cylinder barrel is can protect and reduces institute
The horizontal impact power effect being subject to.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of cushioning device for hydraulic cylinder front view；
Fig. 2 be the utility model proposes a kind of cushioning device for hydraulic cylinder in part A structure enlarged drawing；
Fig. 3 be the utility model proposes a kind of cushioning device for hydraulic cylinder in part B structure enlarged drawing.
In figure: 1 cylinder barrel, 2 piston rods, 3 baffles, 4 first springs, 5 fixed blocks, 6 telescopic rods, 7 second springs, 8 mounting blocks,
9 bolts, 10 mounting plates, 11 sealing rings, 12 protection boards, 13 elastic rods, 14 third springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of cushioning device for hydraulic cylinder, including cylinder barrel 1 and piston rod 2, piston rod 2 is far from cylinder barrel 1
One end is fixedly installed with a fixed block 5, and piston rod 2 and 1 junction of cylinder barrel are equipped with mounting plate 10, mounting plate 10 and cylinder barrel 1 it
Between be equipped with sealing ring 11, buffer unit is installed, the inside groove of cylinder barrel 1 is equipped with damping device, cylinder between fixed block 5 and mounting plate 10
The two sides outer wall of cylinder 1 is symmetrically installed with protective device.
Damping device includes baffle 3 and the first spring 4, and cylinder barrel 1 is fixedly installed on the inner wall far from 2 one end of piston rod
One spring 4, the first spring 4 are fixedly installed with baffle 3 close to one end of piston rod 2.
Buffer unit includes telescopic rod 6 and second spring 7, between two outer walls mutually close with mounting plate 10 of fixed block 5
It is equidistant that multiple telescopic rods 6 are installed, second spring 7 is arranged on each telescopic rod 6, and second spring 7 is located at fixation
Between block 5 and mounting plate 10, each 6 both ends of telescopic rod are fixedly installed with mounting blocks 8, and mounting plate 10 and fixed block 5 are mutually close
Two outer walls on symmetrically offer slot, it is equidistant on the outer wall of mounting plate 10 and fixed block 5 to be inserted with bolt 9, each
Bolt 9 through the outer wall of fixed block 5 and mounting plate 10 and extends in slot, offers threaded hole on each mounting blocks 8,
Threaded hole is engaged with 9 screw thread of bolt.
It is worth noting that, both damping device and buffer unit cooperate, pass through the first spring 4 and second spring 7
The decline of piston rod 2 is buffered, prevents the piston rod 2 to destroying inside cylinder barrel 1, protects cylinder barrel 1, improves equipment
Service life.
Protective device includes protection board 12, elastic rod 13 and third spring 14, equidistant installation on the two sides outer wall of cylinder barrel 1
There are multiple elastic rods 13, the every one end of side elastic rod 13 far from cylinder barrel 1 is equipped with protection board 12 jointly, is arranged on each elastic rod 13
There is third spring 14, and third spring 14 is between protection board 12 and cylinder barrel 1, it is notable that the protection board 12 of two sides
When receiving the impact force of horizontal direction, 13 compressive deformation of third spring 14 and elastic rod generates screen resilience and buffers to external force, prolongs
The service life of equipment is grown.
It further illustrates, it is above-mentioned to be fixedly connected unless specifically defined or limited otherwise, otherwise to shall be understood in a broad sense, example
Such as, it can be welding, be also possible to gluing, or be integrally formed the customary means well known to those skilled in the art such as setting.
Utility model works principle: by telescopic rod 6 together with second spring 7 be installed to fixed block 5 and mounting plate 10 it
Between, the mounting blocks 8 at 6 both ends of telescopic rod are plugged in the slot on fixed block 5 and mounting plate 10.It is locked again with bolt 9.
In 2 rapid decrease of piston rod, baffle 3 declines 4 compressive deformation of the first spring, and simultaneous retractable bar 6 shortens, the second bullet
Spring 7 carries out buffer function to piston rod 2 by the screen resilience that compressive deformation, the first spring 4 and second spring 7 generate.
When the protection board 12 of two sides receives the impact force of horizontal direction, 13 compressive deformation of third spring 14 and elastic rod is generated
Screen resilience buffers external force.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (1)
1. a kind of cushioning device for hydraulic cylinder, including cylinder barrel (1) and piston rod (2), which is characterized in that the piston rod (2) is remote
One end from cylinder barrel (1) is fixedly installed with a fixed block (5), and the piston rod (2) and cylinder barrel (1) junction are equipped with mounting plate
(10), buffer unit is installed, the inside groove of the cylinder barrel (1) is filled equipped with damping between the fixed block (5) and mounting plate (10)
It sets, the two sides outer wall of the cylinder barrel (1) is symmetrically installed with protective device, and the damping device includes baffle (3) and the first spring
(4), it is fixedly installed with the first spring (4) on the inner wall of separate piston rod (2) one end of the cylinder barrel (1), first spring (4)
It being fixedly installed with baffle (3) close to the one end of piston rod (2), the buffer unit includes telescopic rod (6) and second spring (7),
It is equidistant between the fixed block (5) two outer walls mutually close with mounting plate (10) that multiple telescopic rods (6) are installed, each
Be arranged with second spring (7) on the telescopic rod (6), and second spring (7) be located at fixed block (5) and mounting plate (10) it
Between, each telescopic rod (6) both ends are fixedly installed with mounting blocks (8), and the mounting plate (10) and fixed block (5) are mutually close
Two outer walls on symmetrically offer slot, it is equidistant on the outer wall of the mounting plate (10) and fixed block (5) to be inserted with spiral shell
Bolt (9), each bolt (9) through the outer wall of fixed block (5) and mounting plate (10) and extend in slot, each described
Threaded hole is offered on mounting blocks (8), the threaded hole is engaged with bolt (9) screw thread, and the protective device includes protection board
(12), elastic rod (13) and third spring (14), it is equidistant on the two sides outer wall of the cylinder barrel (1) that multiple elastic rods are installed
(13), elastic rod (13) described in every side is equipped with protection board (12) jointly far from the one end of cylinder barrel (1), each elastic rod (13)
On be arranged with third spring (14), and third spring (14) is located between protection board (12) and cylinder barrel (1), the mounting plate
(10) sealing ring (11) are equipped between cylinder barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282911.6U CN209671319U (en) | 2019-03-06 | 2019-03-06 | A kind of cushioning device for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282911.6U CN209671319U (en) | 2019-03-06 | 2019-03-06 | A kind of cushioning device for hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671319U true CN209671319U (en) | 2019-11-22 |
Family
ID=68570641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920282911.6U Expired - Fee Related CN209671319U (en) | 2019-03-06 | 2019-03-06 | A kind of cushioning device for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877381A (en) * | 2019-12-02 | 2020-03-13 | 怀化市祺鑫木业股份有限公司 | Wood hot-pressing device with shock absorption and drying effects are fast |
| CN110985577A (en) * | 2019-12-25 | 2020-04-10 | 德州职业技术学院（德州市技师学院） | Automobile built-in damping device used in mountain field driving |
| CN112178005A (en) * | 2020-09-25 | 2021-01-05 | 韩振华 | Tunneling hydraulic cylinder |
-
2019
- 2019-03-06 CN CN201920282911.6U patent/CN209671319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877381A (en) * | 2019-12-02 | 2020-03-13 | 怀化市祺鑫木业股份有限公司 | Wood hot-pressing device with shock absorption and drying effects are fast |
| CN110985577A (en) * | 2019-12-25 | 2020-04-10 | 德州职业技术学院（德州市技师学院） | Automobile built-in damping device used in mountain field driving |
| CN110985577B (en) * | 2019-12-25 | 2021-06-11 | 德州职业技术学院（德州市技师学院） | Automobile built-in damping device used in mountain field driving |
| CN112178005A (en) * | 2020-09-25 | 2021-01-05 | 韩振华 | Tunneling hydraulic cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209671319U (en) | A kind of cushioning device for hydraulic cylinder | |
| CN209510614U (en) | A kind of pump housing with vibration protection | |
| CN209943406U (en) | Opposite-impact type shock absorption buffer | |
| JP6440737B2 (en) | Body bumper structure | |
| CN104676122A (en) | Three-direction impact-resistant support and hanger | |
| CN213064461U (en) | A buffering damping device for cold heading machine | |
| CN204828467U (en) | Counter weight stable form automobile shock absorber ware | |
| CN211544641U (en) | Chemical storage tank with antidetonation function | |
| CN211851502U (en) | Civil air defense engineering protection door with composite construction shocks resistance | |
| CN210162183U (en) | Desert operation robot capable of moving in all directions | |
| CN208089845U (en) | A kind of shock absorbing apparatus of Simple strip alarm function | |
| CN206874745U (en) | Engineering machinery vibration damper assembly | |
| CN217582672U (en) | Hydraulic cylinder with multistage sleeve | |
| CN207360263U (en) | A kind of good bumper of protection effect | |
| CN218678684U (en) | Micromotor with safe anti-collision structure | |
| CN217814273U (en) | Shock absorption and buffering device of large hydraulic cylinder | |
| CN104989777A (en) | Balance weight stable type automobile shock absorber | |
| CN218542777U (en) | Anti-impact hydraulic cylinder | |
| CN219345137U (en) | Anti-collision hydraulic cylinder | |
| CN216691985U (en) | Hydraulic shock absorber for vehicle | |
| CN213705154U (en) | Engine beam reinforcing device | |
| CN212868283U (en) | Marine motor hydraulic damping device | |
| CN218783672U (en) | Frequency conversion DC brushless motor with vibration/noise reduction function | |
| CN211398421U (en) | Limiting rubber damper composite structure of generator set | |
| CN214825472U (en) | Electromechanical device transportation buffer stop |
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: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |