CN205578404U - Hydraulic cylinder with high shock -absorbing capacity - Google Patents
Hydraulic cylinder with high shock -absorbing capacity Download PDFInfo
- Publication number
- CN205578404U CN205578404U CN201620427907.0U CN201620427907U CN205578404U CN 205578404 U CN205578404 U CN 205578404U CN 201620427907 U CN201620427907 U CN 201620427907U CN 205578404 U CN205578404 U CN 205578404U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- cylinder
- arranges
- fluid port
- hydraulic fluid
- 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
Abstract
The utility model discloses a hydraulic cylinder with high shock -absorbing capacity relates to hydraulic pressure technical field. A hydraulic cylinder with high shock -absorbing capacity, including cylinder and cylinder cap, set up the piston in cylinder and the cylinder cap, set up the piston rod on the piston, set up on the hydro -cylinder hydraulic fluid port under hydraulic fluid port and the hydro -cylinder on the cylinder lateral wall, set up an oil pipe on the hydro -cylinder on the hydraulic fluid port, set up the 2nd oil pipe under the hydro -cylinder on the hydraulic fluid port, set up the valve body on an oil pipe and the 2nd oil pipe, set up the cavity in the valve body, set up the case in the cavity, set up the handle on the valve body, set up the 3rd oil pipe on the 2nd oil pipe, it sets up first baffle to be close to hydraulic cylinder one end in the 3rd oil pipe, set up the opening on the baffle, the opening part sets up the second baffle, second baffle left side sets up the spring, the spring is kept away from second baffle one end and is set up the throttle plate, set up the through -hole on the throttle plate. The utility model has the advantages of the utility model discloses make piston rod shock -absorbing capacity when the withdrawal acting improve, reduce the impact force of piston to the cylinder body.
Description
Technical field
This utility model relates generally to technical field of hydraulic pressure, a kind of hydraulic oil with high shock-absorbing capacity
Cylinder.
Background technology
In hydraulic system, hydraulic jack is one of requisite Hydraulic Elements, in order to prevent piston to be expert at
Collide with end cap during journey rundown, cause noise, affect workpiece accuracy or make hydraulic cylinder damage, often
Cylinder ends lid is provided with buffer unit so that piston movement to soon close to stroke end time speed gradually
Slow to stop.Existing form of cushioning devices is buffer plunger, cushion collar, buffering ring and trimmer valve etc.,
These buffer units, when tackling piston rod and stretching out hydraulic jack acting, can play good buffer protection function,
But piston rod is when retraction hydraulic jack does work, piston rod on the one hand by the pressure of table-top, as
The compartment of tilt bed lorry, the swing arm of excavator, scraper bowl etc., these workbench weight are big, on the other hand add
Upper piston rod own moves downward exactly, and retraction can produce bigger speed, the effect that now buffer unit plays
It is restricted, cylinder body can be produced the biggest surge and noise during retraction, cause mechanical collision, damage
System, destroys the sealing member within hydraulic jack, makes the using effect of hydraulic jack have a greatly reduced quality, reduce
The service life of hydraulic jack.
Utility model content
For solving the deficiencies in the prior art, this utility model provides a kind of hydraulic oil with high shock-absorbing capacity
Cylinder.It, by arranging valve body on oil line pipe, adds the use of choke block so that piston rod does in retraction
During merit, shock-absorbing capacity improves, and reduces the piston impulsive force to cylinder body.
This utility model for achieving the above object, is achieved through the following technical solutions: one has high resiliency
The hydraulic jack of energy, connects including cylinder barrel and cylinder cap, described cylinder barrel and cylinder bolt, arranges in described cylinder barrel
Piston, described piston arranges piston rod, and described piston rod communicates with cylinder cap, and described cylinder barrel sidewall is arranged
Hydraulic fluid port under hydraulic fluid port and oil cylinder on oil cylinder, on described oil cylinder, hydraulic fluid port is positioned at above piston, on described oil cylinder on hydraulic fluid port
Arranging the first oil pipe, under described oil cylinder, hydraulic fluid port is positioned at below piston, arranges the second oil under described oil cylinder on hydraulic fluid port
Pipe, described first oil pipe and the second oil pipe arranges valve body, arranges cavity, in described cavity in described valve body
Arranging spool, described spool is connected with valve body slides, and described spool includes the first block, described first block
Left side arranges connecting rod, and described connecting rod arranges the second block, described first block away from first block one end
Volume is more than the second block, and described valve body arranges handle, described handle and the connection of the first block, and described the
Arranging the 3rd oil pipe on two oil pipes, described 3rd oil pipe two ends all communicate with the second oil pipe, and described valve body is positioned at
Between 3rd oil pipe two-port, in described 3rd oil pipe, the first baffle plate is set near hydraulic jack one end, described
Arranging opening on first baffle plate, described opening part arranges second baffle, arranges spring on the left of described second baffle,
Described spring arranges choke block away from second baffle one end, and described choke block arranges through hole, also includes fuel tank,
Arranging on fuel tank hydraulic fluid port under hydraulic fluid port and fuel tank on described fuel tank, described first oil pipe enters through hydraulic fluid port on fuel tank
In fuel tank, described second oil pipe enters in fuel tank through hydraulic fluid port under fuel tank, arranges liquid below the second oil pipe
Press pump, arranges filter below described hydraulic pump, arrange servomotor, described servomotor outside described fuel tank
It is connected with hydraulic pump.
Described through hole is turned left from the right side and is reduced in round table-like.
Between described first baffle plate and second baffle, sealing ring is set.
Arranging the 4th oil pipe in described fuel tank, described 4th oil pipe one end communicates with the second oil pipe, and the described 4th
Oil pipe and the second oil pipe junction arrange overflow valve, and described overflow valve is positioned at above hydraulic pump.
Contrast prior art, the beneficial effects of the utility model are:
1, in this utility model, the choke block in valve body and the 3rd oil pipe cooperates so that in hydraulic jack
Piston rod, when carrying out retracting acting, plays good cushioning effect, reduces the piston impulsive force to cylinder body,
Extend the service life of hydraulic jack.
2, in this utility model, through hole is round table-like, further increases piston rod slow when carrying out retracting acting
Punching performance, buffering effect is more stable.
3, this utility model arranges sealing ring between the first baffle plate and second baffle so that this device is improving
While piston rod carries out retraction acting shock-absorbing capacity, piston rod will not be hindered to stretch out the effect of acting, have
The strongest practicality.
4, this utility model arranges overflow valve in fuel tank, can be when hydraulic jack does not works by oil pipe
Fluid flows back to fuel tank through overflow valve, alleviates the burden of oil pipe, optimizes this device further.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model structural representation；
Accompanying drawing 2 is this utility model I portion enlarged drawing.
Label shown in accompanying drawing: 1, cylinder barrel；2, cylinder cap；3, piston rod；4, piston；5, oil cylinder oils
Mouthful；6, hydraulic fluid port under oil cylinder；7, the first oil pipe；8, the second oil pipe；9, valve body；10, spool；101、
First block；102, connecting rod；103, the second block；11, handle；12, the 3rd oil pipe；13,
One baffle plate；14, second baffle；15, spring；16, choke block；17, through hole；18, fuel tank；19、
Hydraulic fluid port on fuel tank；20, hydraulic fluid port under fuel tank；21, hydraulic pump；22, filter；23, the 4th oil pipe；25、
Overflow valve.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these are implemented
Example is merely to illustrate this utility model rather than limits scope of the present utility model.In addition, it is to be understood that readding
After having read the content that this utility model is lectured, this utility model can be made various changing by those skilled in the art
Moving or amendment, these equivalent form of values fall within scope defined herein equally.It should be noted that below
The direction in accompanying drawing 1 is referred to about the word used in description.
A kind of hydraulic jack with high shock-absorbing capacity, including cylinder barrel 1 and cylinder cap 2, described cylinder barrel 1 and cylinder cap
2 bolts connect, and arrange piston 4, described piston 4 arranges piston rod 3, described piston in described cylinder barrel 1
Bar 3 communicates with cylinder cap 2, described cylinder barrel 1 sidewall is arranged on oil cylinder hydraulic fluid port 6 under hydraulic fluid port 5 and oil cylinder, described
On oil cylinder, hydraulic fluid port 5 is positioned at above piston 4, and described oil cylinder arranges on hydraulic fluid port 5 first oil pipe 7, described oil cylinder
Lower hydraulic fluid port 6 is positioned at below piston 4, arranges the second oil pipe 8, described first oil pipe under described oil cylinder on hydraulic fluid port 6
7 and second arrange valve body 9 on oil pipe 8, arrange cavity, arrange spool 10 in described cavity in described valve body 9,
Described spool 10 is slidably connected with valve body 9, and described spool 10 includes the first block 101, described first block
Arranging connecting rod 102 on the left of in the of 101, described connecting rod 102 arranges the second block 103 away from first block one end,
Described first block 101 volume is more than the second block 103, and described valve body 9 arranges handle 11, described hands
Handle 11 is connected with the first block 101, and described second oil pipe 8 arranges the 3rd oil pipe 12, described 3rd oil pipe
12 two ends all communicate with the second oil pipe 8, described valve body 9 between the 3rd oil pipe 12 two-port, described
In three oil pipes 12, first baffle plate 13 is set near hydraulic jack one end, described first baffle plate 13 arranges opening,
Described opening part arranges second baffle 14, arranges spring 15, described spring 15 on the left of described second baffle 14
Choke block 16 is set away from second baffle 14 one end, described choke block 16 arranges through hole 17, also includes oil
Case 18, described fuel tank 18 is arranged on fuel tank hydraulic fluid port 20 under hydraulic fluid port 19 and fuel tank, and described first oil pipe 7 is worn
Crossing on fuel tank, hydraulic fluid port 19 enters into fuel tank 18, described second oil pipe 8 enters into through hydraulic fluid port 20 under fuel tank
In fuel tank 18, hydraulic pump 21 is set below second oil pipe 8, below described hydraulic pump 21, filter 22 is set,
Arranging servomotor outside described fuel tank 18, described servomotor is connected with hydraulic pump 21.In this utility model
Choke block in valve body and the 3rd oil pipe cooperates so that the piston rod in hydraulic jack does carrying out retraction
During merit, play good cushioning effect, reduce the piston impulsive force to cylinder body, extend hydraulic jack
Service life.
Further, described through hole 17 is turned left from the right side and is reduced in round table-like.In this utility model, through hole is round platform
Shape, further increases piston rod shock-absorbing capacity when carrying out retracting acting, and buffering effect is more stable.
Further, between described first baffle plate 13 and second baffle 14, sealing ring is set.This utility model
In between the first baffle plate and second baffle, sealing ring is set so that this device carries out retraction and does improving piston rod
While merit shock-absorbing capacity, piston rod will not be hindered to stretch out the effect of acting, there is the strongest practicality.
Further, the 4th oil pipe 23, described 4th oil pipe 23 one end and second are set in described fuel tank 18
Oil pipe 8 communicates, and described 4th oil pipe 23 and the second oil pipe 8 junction arrange overflow valve 24, described overflow valve
24 are positioned at above hydraulic pump 21.This utility model arranges overflow valve in fuel tank, can be in hydraulic jack not work
When making, the fluid in oil pipe is flowed back to fuel tank through overflow valve, alleviate the burden of oil pipe, optimize this dress further
Put.
Embodiment 1:
A kind of hydraulic jack with high shock-absorbing capacity, including cylinder barrel 1 and cylinder cap 2, described cylinder barrel 1 and cylinder cap
2 bolts connect, and arrange piston 4, described piston 4 arranges piston rod 3, described piston in described cylinder barrel 1
Bar 3 communicates with cylinder cap 2, described cylinder barrel 1 sidewall is arranged on oil cylinder hydraulic fluid port 6 under hydraulic fluid port 5 and oil cylinder, described
On oil cylinder, hydraulic fluid port 5 is positioned at above piston 4, and described oil cylinder arranges on hydraulic fluid port 5 first oil pipe 7, described oil cylinder
Lower hydraulic fluid port 6 is positioned at below piston 4, arranges the second oil pipe 8, described first oil pipe under described oil cylinder on hydraulic fluid port 6
7 and second arrange valve body 9 on oil pipe 8, arrange cavity, arrange spool 10 in described cavity in described valve body 9,
Described spool 10 is slidably connected with valve body 9, and described spool 10 includes the first block 101, described first block
Arranging connecting rod 102 on the left of in the of 101, described connecting rod 102 arranges the second block 103 away from first block one end,
Described first block 101 volume is more than the second block 103, and described valve body 9 arranges handle 11, described hands
Handle 11 is connected with the first block 101, and described second oil pipe 8 arranges the 3rd oil pipe 12, described 3rd oil pipe
12 two ends all communicate with the second oil pipe 8, described valve body 9 between the 3rd oil pipe 12 two ends, the described 3rd
In oil pipe 12, first baffle plate 13 is set near hydraulic jack one end, described first baffle plate 13 arranges opening,
Described opening part arranges second baffle 14, arranges spring 15, described spring 15 on the left of described second baffle 14
Choke block 16 is set away from second baffle 14 one end, described choke block 16 arranges through hole 17, also includes oil
Case 18, described fuel tank 18 is arranged on fuel tank hydraulic fluid port 20 under hydraulic fluid port 19 and fuel tank, and described first oil pipe 7 is worn
Crossing on fuel tank, hydraulic fluid port 19 enters into fuel tank 18, described second oil pipe 8 enters into through hydraulic fluid port 20 under fuel tank
In fuel tank 18, hydraulic pump 21 is set below second oil pipe 8, below described hydraulic pump 21, filter 22 is set,
Arranging servomotor outside described fuel tank 18, described servomotor is connected with hydraulic pump 21.This utility model exists
During use, rotarily driving hydraulic pump by servomotor and rotate, the fluid in fuel tank enters into the second oil pipe,
Lower-left opening through valve body as shown in Figure 1 enters into upper left opening, then hydraulic fluid port enters into cylinder body under oil cylinder
In, piston promote piston rod upwards to do work, the fluid on cylinder body inner carrier top enters via hydraulic fluid port on oil cylinder
To the first oil pipe, and enter into bottom right opening through valve body upper right opening, finally flow back in fuel tank, whole process
In, the 3rd oil pipe is due to the existence of second baffle, and oil circuit is obstructed, does not interferes with piston rod and upwards does
The performance of merit, if being promoted to the left once by spool, valve body upper left opening and lower-left opening are blocked, now
Can as the case may be, hydraulic pump or stop operating, or inverted by Serve Motor Control hydraulic pump, under piston
The fluid of side then can only flow back to fuel tank through the throttle orifice of the 3rd pipeline, thus the retraction to piston rod is done work
To cushioning effect, keep static to piston rod, only again spool need to be promoted once to the left, block valve body
All openings.In this utility model, the choke block in valve body and the 3rd oil pipe cooperates so that hydraulic pressure
In-oil cylinder piston rod, when carrying out retracting acting, plays good cushioning effect, reduces piston to cylinder body
Impulsive force, extend the service life of hydraulic jack.Described through hole 17 is turned left from the right side and is reduced in round table-like.
In this utility model, through hole is round table-like, further increases the piston rod resiliency when carrying out retracting acting
Can, buffering effect is more stable.Between described first baffle plate 13 and second baffle 14, sealing ring is set.This
Utility model arranges sealing ring between the first baffle plate and second baffle, when piston driving carries out protruding upward doing
During merit, owing to the fluid of the 3rd oil pipe gives inner second baffle pressure to the right, add the setting of sealing ring, make
This device improve piston rod carry out retract acting shock-absorbing capacity while, piston rod will not be hindered to stretch out and to do
The effect of merit, has the strongest practicality.4th oil pipe 23, described 4th oil pipe are set in described fuel tank 18
23 one end communicate with the second oil pipe 8, and described 4th oil pipe 23 and the second oil pipe 8 junction arrange overflow valve
24, described overflow valve 24 is positioned at above hydraulic pump 21.This utility model arranges overflow valve in fuel tank, can
The fluid in oil pipe is flowed back to fuel tank through overflow valve when hydraulic jack does not works, alleviate the burden of oil pipe,
Optimize this device further.
Claims (4)
1. there is a hydraulic jack for high shock-absorbing capacity, including cylinder barrel (1) and cylinder cap (2), described cylinder
Cylinder (1) and cylinder cap (2) bolt connect, and arrange piston (4), described piston (4) in described cylinder barrel (1)
On piston rod (3) is set, described piston rod (3) communicates with cylinder cap (2), it is characterised in that: described cylinder
On cylinder (1) sidewall, hydraulic fluid port (6) under hydraulic fluid port on oil cylinder (5) and oil cylinder, hydraulic fluid port (5) on described oil cylinder are set
It is positioned at piston (4) top, described oil cylinder arranges the first oil pipe (7), under described oil cylinder on hydraulic fluid port (5)
Hydraulic fluid port (6) is positioned at piston (4) lower section, arranges the second oil pipe (8), institute under described oil cylinder on hydraulic fluid port (6)
Stating and arrange valve body (9) on the first oil pipe (7) and the second oil pipe (8), described valve body arranges cavity in (9),
Arranging spool (10) in described cavity, described spool (10) is slidably connected with valve body (9), described spool
(10) include that the first block (101), described first block (101) left side arrange connecting rod (102), institute
State connecting rod (102) and the second block (103), described first block (101) are set away from first block one end
Volume is more than the second block (103), and described valve body (9) arranges handle (11), described handle (11)
It is connected with the first block (101), described second oil pipe (8) arranges the 3rd oil pipe (12), the described 3rd
Oil pipe (12) two ends all communicate with the second oil pipe (8), and described valve body (9) is positioned at the 3rd oil pipe (12)
Between two-port, in described 3rd oil pipe (12), the first baffle plate (13), institute are set near hydraulic jack one end
Stating and arrange opening on the first baffle plate (13), described opening part arranges second baffle (14), described second baffle
(14) left side arranges spring (15), and described spring (15) arranges throttling away from second baffle (14) one end
Plate (16), described choke block (16) arranges through hole (17), also includes fuel tank (18), described fuel tank (18)
On hydraulic fluid port (20) under hydraulic fluid port on fuel tank (19) and fuel tank is set, described first oil pipe (7) is through on fuel tank
Hydraulic fluid port (19) enters in fuel tank (18), and described second oil pipe (8) is entered through hydraulic fluid port (20) under fuel tank
Entering in fuel tank (18), the second oil pipe (8) lower section arranges hydraulic pump (21), described hydraulic pump (21)
Lower section arranges filter (22), arranges servomotor, described servomotor and hydraulic pressure outside described fuel tank (18)
Pump (21) connects.
A kind of hydraulic jack with high shock-absorbing capacity the most according to claim 1, it is characterised in that:
Described through hole (17) is turned left from the right side and is reduced in round table-like.
A kind of hydraulic jack with high shock-absorbing capacity the most according to claim 1, it is characterised in that:
Between described first baffle plate (13) and second baffle (14), sealing ring is set.
A kind of hydraulic jack with high shock-absorbing capacity the most according to claim 1, it is characterised in that:
4th oil pipe (23), described 4th oil pipe (23) one end and the second oil pipe (8) are set in described fuel tank (18)
Communicating, described 4th oil pipe (23) and the second oil pipe (8) junction arrange overflow valve (24), described excessive
Stream valve (24) is positioned at hydraulic pump (21) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427907.0U CN205578404U (en) | 2016-05-11 | 2016-05-11 | Hydraulic cylinder with high shock -absorbing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427907.0U CN205578404U (en) | 2016-05-11 | 2016-05-11 | Hydraulic cylinder with high shock -absorbing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578404U true CN205578404U (en) | 2016-09-14 |
Family
ID=56857604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620427907.0U Expired - Fee Related CN205578404U (en) | 2016-05-11 | 2016-05-11 | Hydraulic cylinder with high shock -absorbing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI686547B (en) * | 2019-02-23 | 2020-03-01 | 勤工有限公司 | Buffer oil control device of hydraulic cylinder |
-
2016
- 2016-05-11 CN CN201620427907.0U patent/CN205578404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI686547B (en) * | 2019-02-23 | 2020-03-01 | 勤工有限公司 | Buffer oil control device of hydraulic cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103256275B (en) | A kind of double acting Hydraulic Cylinder | |
| CN201218248Y (en) | Multifunctional integration composite valve | |
| CN203359897U (en) | Hydraulic jack with automatic speed regulating function | |
| CN205578404U (en) | Hydraulic cylinder with high shock -absorbing capacity | |
| CN104411998A (en) | Shock absorber | |
| CN203146475U (en) | Buffering oil cylinder | |
| CN202946469U (en) | Vibration attenuating and silencing prefill valve | |
| CN203453175U (en) | Fast oil cylinder for small-table-board large-tonnage hydraulic press | |
| CN104675901A (en) | Gas rapid returning multi-stage hydraulic buffer | |
| CN207033881U (en) | A kind of controllable cushion cylinder of hydraulic pressure | |
| CN203223567U (en) | Vibration reducing prefill valve | |
| CN202579453U (en) | Buffer device for hydraulic oil cylinder | |
| CN201391511Y (en) | Hydraulic cylinder cushioning device | |
| CN205137033U (en) | Grease bag | |
| CN203176051U (en) | High-speed hydraulic cylinder with buffering function | |
| CN204419758U (en) | A kind of buffering hydraulic cylinder | |
| CN104154164B (en) | A kind of damping oil cylinder for medium-heavy automobile driver's cab turnover | |
| CN202031920U (en) | Hydraulic oil cylinder with cushioning device | |
| CN201566106U (en) | Primary-secondary module cylinder of injection molding machine | |
| CN203614499U (en) | Single-action plunger cylinder and forklift | |
| CN204041833U (en) | A kind of damping oil cylinder for medium-heavy automobile driver's cab turnover | |
| CN201411355Y (en) | Safety buffering device of forklift truck gantry | |
| CN201125902Y (en) | Oil cylinder buffering device | |
| CN201106595Y (en) | Adjustable dual-speed slow-opening slow-closing oil cylinder | |
| CN206478155U (en) | The all-hydraulic folding and unfolding shock mitigation system of amphibious vehicle wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160914 Termination date: 20170511 |