CN107091257A - Engineering mechanical device hydraulic jack with pooling feature - Google Patents
Engineering mechanical device hydraulic jack with pooling feature Download PDFInfo
- Publication number
- CN107091257A CN107091257A CN201710491483.3A CN201710491483A CN107091257A CN 107091257 A CN107091257 A CN 107091257A CN 201710491483 A CN201710491483 A CN 201710491483A CN 107091257 A CN107091257 A CN 107091257A
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- China
- Prior art keywords
- cylinder
- piston rod
- piston
- bumper post
- mechanical device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses the engineering mechanical device hydraulic jack with pooling feature, including cylinder bottom, cylinder barrel, piston, piston rod and piston cylinder head bar are located in cylinder barrel, and piston bush is on the piston rod, cylinder cap is by piston rod packing in cylinder barrel, the cylinder bottom is welded with cylinder barrel, cylinder bottom is provided with the second bumper post, piston rod is provided with the counterbore matched with support column towards the end of the first bumper post, buffer element is provided with counterbore, the piston is provided with the first bumper post, and the first bumper post is towards cylinder cap, the cylinder cap is provided with fixed block, fixed block is provided with the blind hole matched with the first bumper post towards the direction of the first bumper post, buffer element also is provided with blind hole.Simple in construction, manufacturing cost of the invention is low, reasonable in design, is easily installed, and has cushioning effect to cylinder bottom and cylinder cap, extends the service life of hydraulic cylinder.
Description
Technical field
The present invention relates to plant equipment hydraulic cylinder, and in particular to the engineering mechanical device hydraulic jack with pooling feature.
Background technology
Engineering machinery is the general name of the construction machinery for engineering construction.It is widely used in building, water conservancy, electric power, road, ore deposit
The engineering fields such as mountain, harbour and national defence, species is various, and engineering machinery is the important component of Chinese equipment manufacturing industry.Briefly
Say, the synthesis needed for all restoration in earth-rock construction engineerings, pavement construction and maintenance, the operation of flow-type lift and various architectural engineerings
Property mechanized equipment necessary to mechanized construction engineering, referred to as engineering machinery.It is mainly used in national defense construction engineering, communications and transportation
Build, the construction of the raw and semifinished materials industries such as energy industry construction and production, mine and production, agriculture, forestry, water conservancy construction, industrial built with civilian
Build, urban construction, the field such as environmental protection.In countries in the world, the appellation to this industry is substantially similar, wherein the U.S. and Britain
Referred to as building machinery and equipment, German to be referred to as building machinery and device, and Russia is referred to as building and road building machine, and Japan is referred to as building
If mechanical.Construction implement is also referred to as in our national portioned products, and the sector certification is set up according to State Council in mechanical system
When be referred to as engineering machinery, continue up till now.Various countries are roughly the same to the sector delimitation product scope, China Construction Machinery
Compared with other various countries also add railway project machinery, it is fork truck and industrial transportation vehicle, finishing machinery, elevator, pneumatic
The industries such as instrument.
Many engineering mechanical devices can all apply to hydraulic cylinder, and hydraulic cylinder is that hydraulic energy is changed into mechanical energy, done
The hydraulic actuator of straight reciprocating motion (or oscillating motion), is realized with it during reciprocating motion, can remove deceleration device from, and
And without drive gap, stable movement, therefore be used widely in various mechanical hydraulic systems, hydraulic cylinder substantially by
Cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus are constituted, and buffer unit is regarded with exhaust apparatus
Depending on concrete application occasion, other devices are then essential.
Current hydraulic cylinder is to overcome piston slap cylinder cap by installing cushion pad on the cylinder cap of hydraulic cylinder, but install
Cushion pad is typically rubber blanket, because rubber blanket has easy aging, the shortcomings of impact resistance is weak, piston slap hydraulic cylinder cylinder cap
The problem of never have and be well solved, it is necessary to change rubber blanket at regular intervals, influence operating efficiency, dismantle in addition
Double acting hydraulic cylinder is bothered very much.
The content of the invention
The technical problems to be solved by the invention are that traditional hydraulic cylinder slows down impact by the way of rubber blanket is installed
Power, but the easy aging of rubber blanket is, it is necessary to often with changing, have influence on the normal of hydraulic cylinder and use, it is therefore intended that provide to have and delay
The engineering mechanical device hydraulic jack of function is rushed, problem above is solved.
The present invention is achieved through the following technical solutions：
Engineering mechanical device hydraulic jack with pooling feature, including cylinder bottom, cylinder barrel, piston, piston rod and cylinder cap
Piston rod is located in cylinder barrel, and piston bush is on the piston rod, cylinder cap by piston rod packing in cylinder barrel, the cylinder bottom and cylinder barrel
Welding, cylinder bottom is provided with the second bumper post, and piston rod is provided with what is matched with the second bumper post towards the end of the second bumper post
Buffer element is provided with counterbore, counterbore, the piston is provided with the first bumper post, and the first bumper post is towards cylinder cap, described
Cylinder cap is provided with fixed block, and fixed block is provided with the blind hole matched with the first bumper post, blind hole towards the direction of the first bumper post
Inside it also is provided with buffer element.
Further, the cylinder bottom is provided with the second hydraulic fluid port, and the second hydraulic fluid port and the second bumper post are towards piston rod side
To side connection.
Further, the cylinder barrel is provided with the first hydraulic fluid port, and the second hydraulic fluid port flows through cylinder cap and connected with the blind hole of fixed block
It is logical.
Further, the first sealing ring is additionally provided between the piston rod and piston, the first sealing ring covers on the piston rod.
Further, the second sealing ring and dust ring are additionally provided between the piston rod and cylinder cap, the first sealing ring and anti-
Konisphere is sequentially sleeved on piston rod towards piston rod outbound course.
Further, the axis of first bumper post and the axis of blind hole be on same straight line, the second bumper post
The axis of axis and counterbore is also on same straight line.
Further, the buffer element is spring, it is easy to obtained by purchase, and cheap.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention has the engineering mechanical device hydraulic jack of pooling feature, and buffering dress is equipped with to cylinder cap and cylinder bottom
Put, collision dynamics of the piston to cylinder bottom and cylinder cap can be reduced, compared to traditional rubber blanket, with longer service life, together
When ensure that the stability of plant equipment operationally；
2nd, engineering mechanical device hydraulic jack of the present invention with pooling feature, the second hydraulic fluid port and the first hydraulic fluid port of setting,
Even if piston and cylinder cap or cylinder bottom fit together, into cylinder barrel delivery hydraulic pressure oil also can snap action in piston, make
Its rapid operation；
2nd, the present invention has the engineering mechanical device hydraulic jack of pooling feature, and simple in construction, cost is relatively low, be easy to dress
Match somebody with somebody, be adapted to large-scale production.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
1- cylinder bottoms, 2- cylinder barrels, 3- pistons, the sealing rings of 4- first, the bumper posts of 5- first, 6- fixed blocks, the hydraulic fluid ports of 7- first, 8-
Second sealing ring, 9- dust rings, the hydraulic fluid ports of 10- second, the bumper posts of 11- second, 12- counterbores, 13- buffer elements, 14- piston rods,
15- cylinder caps.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As shown in figure 1, the present invention has the engineering mechanical device hydraulic jack of pooling feature, including cylinder bottom 1, cylinder barrel 2, work
Plug 3, piston rod 14 and cylinder cap 15, the cylinder barrel 2 are cylindrical shape, and cylinder bottom 1 welds together with the one end of cylinder barrel 2, increases it
The intensity of junction, piston 3 is respectively positioned in cylinder barrel 2 with piston rod 14, and piston 3 can drive piston rod 14 in cylinder barrel 2
It is mobile, and piston 3 is enclosed on one end of piston rod 14, and the another side of piston rod 14 is interspersed on cylinder cap 15, and cylinder cap 15 is with living
The second sealing ring 8 and dust ring 9 are provided between stopper rod 14, towards the direction of the output of piston rod 14, the second sealing ring 8 and dust ring
9 are sequentially sleeved on piston rod 14, and the second sealing ring 8 and dust ring 9 are each attached on cylinder cap 15, and the second sealing ring 8 will be living
Stopper rod 14 is sealed in cylinder barrel 2 with piston 3, prevents the hydraulic fluid leak in cylinder barrel 2, and dust ring 9 can then prevent the ash in the external world
The gap that dirt is formed between cylinder cap 15 and piston rod 14 enters in cylinder barrel 2, and first is provided between the piston rod 14 and piston 3
Sealing ring 4, the first sealing ring 4 is enclosed on piston rod 14, and the first sealing ring 4 and the second sealing ring 8 are O-ring seal, first
Sealing ring 4 can prevent the hydraulic fluid leak between piston 3 and cylinder bottom 1 from going out, and reduce the conveying capacity of piston rod 14, the cylinder
Bottom 1 is provided with the second bumper post 11, and the second bumper post 11 uses cast iron quality, and is also welded with cylinder bottom 1, and increase second is buffered
The service life of post 11, the piston rod 14 is provided with counterbore 12, and counterbore 12 is located at piston rod 14 down on the end of cylinder bottom 1,
The diameter of counterbore 12 than bumper post 11 the big 1-2mm of diameter, and the axis of counterbore 12 and the second bumper post 11 axis with
On straight line, buffer element 13 is provided with counterbore 12, buffer element 13 is spring, it is easy to commercially obtained by purchase, and
Cost is low, and when piston 3 is moved with piston rod 14 towards the direction of cylinder bottom 1, the second bumper post 11 will be stretched in counterbore 12, and
And buffer element 13 is acted on, buffer element 13 slows down piston 3 and piston by 11 certain buffering effects of the second bumper post
The translational speed of bar 14, so as to reduce impulsive force of the piston to cylinder bottom 1, the second hydraulic fluid port 10, second are additionally provided with the cylinder bottom 1
Hydraulic fluid port 10 is connected with the face of the second bumper post 11 towards counterbore, if the second hydraulic fluid port is arranged on cylinder barrel 2, when the second bumper post 11
When stretching in counterbore 12, piston 3 fits together with cylinder bottom 1, and being passed through hydraulic oil towards the second hydraulic fluid port can not then effectively drive
Piston 3 is moved, and is passed through hydraulic oil at the hydraulic fluid port 10 set towards the present invention, and hydraulic oil will be flowed directly into counterbore 12, and
Buffer element is extruded, forces piston rod 14 to be moved with piston 3, so that piston rod 14 carries out normal work；The piston 1
On be additionally provided with some first bumper posts 5, the first bumper post 5 is towards the direction of cylinder cap 15, and the cylinder cap 15 is provided with some fixations
Block 6, fixed block 6 is equipped with the axis of blind hole, the axis of blind hole and the first bumper post 5 then towards the direction of piston 3 on fixed block 6
On same straight line, diameter big 1-2mm of the diameter than the first bumper post 5 of blind hole also is provided with buffer element 13 in blind hole, delays
It is also spring to rush element 13, and when piston rod 14 is exported, piston 3 is moved towards the direction of cylinder cap 15, and the first bumper post 5 will be stretched to
In blind hole, and act on and will play the effect of buffering to the first bumper post 5 with the spring 13 in blind hole, spring 13, reduce piston 4
Translational speed, effectively reduce impulsive force of the piston 3 to cylinder cap 15, have certain protective effect to cylinder cap 15 and piston 3；
The cylinder barrel 2 is provided with the first hydraulic fluid port 7, and the first hydraulic fluid port 7 is connected with cylinder cap 15 and blind hole, shunk when needing piston rod 14 successively
When, the first bumper post 5 in hydraulic oil, hydraulic oil extruding blind hole is passed through at the first hydraulic fluid port 7, piston 4 and piston rod court is forced
The movement of the direction of cylinder bottom 1, the contraction to piston rod 14 is realized.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (7)
1. the engineering mechanical device hydraulic jack with pooling feature, including cylinder bottom (1), cylinder barrel (2), piston (3), piston rod
And cylinder cap (15) piston rod (12) is located in cylinder barrel (2), and piston (3) is enclosed on piston rod (14), cylinder cap (15) (14)
Piston rod (14) is sealed in cylinder barrel (2), it is characterised in that：The cylinder bottom (1) is welded with cylinder barrel (2), and cylinder bottom (1) is provided with
Second bumper post (11), piston rod (14) is provided with what is matched with the second bumper post (11) towards the end of the second bumper post (11)
Buffer element (13) is provided with counterbore (12), counterbore (12), the piston (3) is provided with the first bumper post (5), and first delays
Post (5) is rushed towards cylinder cap (15), the cylinder cap (15) is provided with fixed block (6), fixed block (6) the first bumper post of direction (5)
Direction is provided with the blind hole matched with the first bumper post (5), blind hole and also is provided with buffer element (13).
2. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：The cylinder
Bottom (1) is provided with the second hydraulic fluid port (10), and the second hydraulic fluid port (10) and the second bumper post (11) are towards piston rod (14) direction
Side is connected.
3. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：The cylinder
Cylinder (2) is provided with the first hydraulic fluid port (7), and the second hydraulic fluid port (7) flows through cylinder cap (15) and connected with the blind hole of fixed block (6).
4. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：The work
The first sealing ring (4) is additionally provided between stopper rod (14) and piston (3), the first sealing ring (4) is enclosed on piston rod (14).
5. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：The work
The second sealing ring (8) and dust ring (9), the first sealing ring (8) and dust ring (9) are additionally provided between stopper rod (14) and cylinder cap (15)
It is sequentially sleeved in towards piston rod (14) outbound course on piston rod (14).
6. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：Described
The axis of one bumper post (5) and the axis of blind hole are on same straight line, axis and the counterbore (12) of the second bumper post (11)
Axis is also on same straight line.
7. the engineering mechanical device hydraulic jack according to claim 1 with pooling feature, it is characterised in that：It is described slow
Element (13) is rushed for spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491483.3A CN107091257A (en) | 2017-06-26 | 2017-06-26 | Engineering mechanical device hydraulic jack with pooling feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491483.3A CN107091257A (en) | 2017-06-26 | 2017-06-26 | Engineering mechanical device hydraulic jack with pooling feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091257A true CN107091257A (en) | 2017-08-25 |
Family
ID=59641273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710491483.3A Pending CN107091257A (en) | 2017-06-26 | 2017-06-26 | Engineering mechanical device hydraulic jack with pooling feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091257A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547704A (en) * | 2018-06-25 | 2018-09-18 | 南京世界村汽车动力有限公司 | A kind of automobile engine cylinder head bracing means |
| CN108679041A (en) * | 2018-07-12 | 2018-10-19 | 长兴宏力机械科技有限公司 | A kind of buffer type hydraulic oil cylinder |
| CN112628238A (en) * | 2020-12-24 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29916190U1 (en) * | 1999-09-15 | 1999-12-09 | Festo AG & Co, 73734 Esslingen | Fluid operated drive |
| DE10158123A1 (en) * | 2001-11-27 | 2003-06-12 | Rexroth Mecman Gmbh | Dampened pressure medium cylinder |
| CN201818581U (en) * | 2010-08-30 | 2011-05-04 | 兰州瑞德实业集团有限公司 | Compact type sensitive cylinder |
| CN105179372A (en) * | 2015-09-25 | 2015-12-23 | 济南大学 | Hydraulic cylinder capable of being started under assistance of waste energy |
| CN105715612A (en) * | 2016-04-26 | 2016-06-29 | 合肥长源液压股份有限公司 | Throttling buffer cylinder with integrated buffer cylinder bottom |
| CN106481616A (en) * | 2016-12-06 | 2017-03-08 | 泸州长江液压密封件有限公司 | The hydraulic cylinder of self-locking is carried out using spring |
-
2017
- 2017-06-26 CN CN201710491483.3A patent/CN107091257A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29916190U1 (en) * | 1999-09-15 | 1999-12-09 | Festo AG & Co, 73734 Esslingen | Fluid operated drive |
| DE10158123A1 (en) * | 2001-11-27 | 2003-06-12 | Rexroth Mecman Gmbh | Dampened pressure medium cylinder |
| CN201818581U (en) * | 2010-08-30 | 2011-05-04 | 兰州瑞德实业集团有限公司 | Compact type sensitive cylinder |
| CN105179372A (en) * | 2015-09-25 | 2015-12-23 | 济南大学 | Hydraulic cylinder capable of being started under assistance of waste energy |
| CN105715612A (en) * | 2016-04-26 | 2016-06-29 | 合肥长源液压股份有限公司 | Throttling buffer cylinder with integrated buffer cylinder bottom |
| CN106481616A (en) * | 2016-12-06 | 2017-03-08 | 泸州长江液压密封件有限公司 | The hydraulic cylinder of self-locking is carried out using spring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547704A (en) * | 2018-06-25 | 2018-09-18 | 南京世界村汽车动力有限公司 | A kind of automobile engine cylinder head bracing means |
| CN108679041A (en) * | 2018-07-12 | 2018-10-19 | 长兴宏力机械科技有限公司 | A kind of buffer type hydraulic oil cylinder |
| CN112628238A (en) * | 2020-12-24 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
| CN112628238B (en) * | 2020-12-24 | 2022-07-01 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |