CN206409457U - With flow etc. point function hydraulic cylinder - Google Patents
With flow etc. point function hydraulic cylinder Download PDFInfo
- Publication number
- CN206409457U CN206409457U CN201621332114.7U CN201621332114U CN206409457U CN 206409457 U CN206409457 U CN 206409457U CN 201621332114 U CN201621332114 U CN 201621332114U CN 206409457 U CN206409457 U CN 206409457U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston
- piston rod
- hydraulic cylinder
- cylinder body
- 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 with flow etc. point function hydraulic cylinder, including hydraulic cylinder group, the hydraulic cylinder group includes the cylinder body being sequentially connected, and institute's cylinder body includes cylinder barrel, piston rod and piston；The two ends of the cylinder barrel are provided with opening, and piston is located in cylinder barrel, and one end of piston rod is connected with piston, and the other end passes through the opening of cylinder barrel；In hydraulic cylinder group, the free end of piston rod of adjacent two fluid cylinder bodies a cylinder body is connected by way of being connected with that one end away from piston rod on the piston of another cylinder body.Multiple size identical cylinder bodies are connected to form hydraulic cylinder group, and the free end of the piston rod of a cylinder body is connected through a screw thread with that one end away from piston rod on the piston of another cylinder body, realizes piston rod with same speed or displacement movement.
Description
Technical field
The utility model is related to a kind of hydraulic cylinder, and in particular to flow etc. point function hydraulic cylinder.
Background technology
Hydraulic cylinder be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or oscillating motion) performs member
Part.Its simple in construction, reliable operation.Realized with it during reciprocating motion, deceleration device can be removed from, and without drive gap,
Stable movement, therefore be used widely in various mechanical hydraulic systems.Hydraulic cylinder power output and piston effective area and
The pressure difference on its both sides is directly proportional；Hydraulic cylinder substantially by cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit with
Exhaust apparatus is constituted.In hydraulic test, especially load very big jumbo or by with layout reasons, it is necessary to which multiple hold
When row device drives a workpiece simultaneously, it is necessary to which actuator is with same speed or displacement movement.
Utility model content
Technical problem to be solved in the utility model be load very big jumbo or by with layout reasons, it is necessary to
Multiple actuators are while, it is necessary to which actuator is with same speed or displacement movement and provides enough when driving a workpiece
Thrust.Therefore the purpose of this utility model, which is to provide, has point function hydraulic cylinders such as flow, solves loading very big heavy type
Equipment or by with layout reasons, it is necessary to multiple actuators simultaneously drive a workpiece when, it is necessary to actuator with identical speed
Degree or displacement movement and the problem of enough thrust is provided.
The utility model is achieved through the following technical solutions：
With flow etc. point function hydraulic cylinder, including hydraulic cylinder group, the hydraulic cylinder group includes the hydraulic cylinder being sequentially connected
Body, institute's cylinder body includes cylinder barrel, piston rod and piston；The two ends of the cylinder barrel are provided with opening, and piston is located at cylinder
In cylinder, and the side wall of piston is contacted with the inwall of cylinder barrel, and one end of piston rod is connected with piston, and the other end is opened through cylinder barrel
Mouthful；In hydraulic cylinder group, the free end and another liquid of adjacent two fluid cylinder bodies by the piston rod of a cylinder body
The mode that one end away from piston rod is connected on the piston of cylinder pressure body is connected in turn.
Further, in addition to guide sleeve, the guiding is set on the two ends of cylinder barrel.The cylinder barrel, guide sleeve, piston
Bar and the piston heart coaxially of one another.The free end of the piston rod of one cylinder body sequentially passes through the opening and guide sleeve of cylinder barrel
Centre bore, and connected with the mode that one end away from piston rod is connected on the piston of another cylinder body.Lead
To being enclosed in hydraulic cylinder, play a part of to support and ensure piston rod and cylinder barrel axiality, during hydraulic cylinder rod stretches out, make
Hydraulic cylinder and the effect of cylinder barrel surface contact, hydraulic cylinder travel are longer, and guide sleeve is longer；Meanwhile, also carried for the oil sealing of cylinder ports
For a bearing.
Further, that one end away from piston rod is provided with screwed hole on piston, and the free end of piston rod is provided with
On the screw thread coordinated with screwed hole, the free end of the piston rod of a cylinder body and the piston of another cylinder body
Screwed hole is connected through a screw thread.Threaded connection, which is that one kind is widely used, to be removably fixedly connected, with structure letter
It is single, connection is reliable, the advantages of be convenient to mount and dismount.
Further, in addition to pressurized cylinder, the pressurized cylinder includes supercharging piston rod and charged piston, supercharging piston rod
Free end on piston away from that one end of piston rod be connected, and the piston is is not threadedly coupled with stopper rod in hydraulic cylinder group
Piston.Pressurizing hydraulic cylinder can increase the pressure of hydraulic cylinder group, and then increase the pressure of hydraulic cylinder group.
Further, the free end of the supercharging piston rod is provided with the screw thread coordinated with screwed hole, supercharging piston rod
Free end is connected through a screw thread with that one end away from piston rod on piston.Threaded connection is a kind of widely used removable
That unloads is fixedly connected, and has the advantages that simple in construction, connection is reliable, is convenient to mount and dismount.
Further, the cross section of the inner chamber of the pressurized cylinder is more than the cross section of the inner chamber of cylinder body.Pressurized cylinder
It is to be combined oil hydraulic cylinder with booster, what is utilized is that Pascal's energy is kept weighing apparatus principle and worked.Because pressure is constant, work as compression
Area from large to small when, pressure can become big therewith, so as to reach the pressure result that pressure is increased to decades of times.Pascal's law
It is a fluidstatic law, Pascal's size is unchangeably transmitted from liquid to all directions.The size of pressure is according to quiet
Pressure fundamental equation：P=p0+ ρ gh draw, p0For additional pressure, ρ gh are original pressure, and p is pressure total after change.Than
Such as, the liquid in closed container is contained in, the pressure of itself is ρ gh, its additional pressure p0When changing, as long as liquid is still
The inactive state of holding its original is constant, and an equal amount of change will occur for the pressure of any point in liquid.In other words, exist
In closed container, the pressure put on inactive liquid will be with equivalent while pass to each point, i.e. p=p0+ρgh.Here it is Paasche
Card principle, or Hydrostatic Transfer Device principle.
Further, sealing ring is provided between guide sleeve and cylinder barrel, it is preferable that the sealing ring uses O-ring seals；
Sealing ring is provided between piston and cylinder barrel, it is preferable that the sealing ring uses y-type seal ring.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model has flow etc. point function hydraulic cylinder, and multiple size identical cylinder bodies are connected
Formed hydraulic cylinder group, and the free end of the piston rod of a cylinder body with it is remote on the piston of another cylinder body
That one end of piston rod is connected through a screw thread, and realizes piston rod with same speed or displacement movement；
2nd, the utility model has flow etc. point function hydraulic cylinder, whole hydraulic cylinder group is connected with pressurized cylinder, original
On the basis of, increase the thrust of hydraulic cylinder group, be allowed to run into load it is very big when, sufficient power can be provided.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structural representation；
Fig. 2 is the connection diagram of piston rod and piston.
Mark and corresponding parts title in accompanying drawing：
1- cylinder barrels, 2- guide sleeves, 3- piston rods, 4- pistons, 5- screwed holes, 6- pressurized cylinders, 7- pressure piston rods, 8- superchargings are lived
Plug.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment one
As Figure 1-Figure 2, the utility model has flow etc. point function hydraulic cylinder, including hydraulic cylinder group, the hydraulic pressure
Cylinder group includes the cylinder body being sequentially connected, and institute's cylinder body includes cylinder barrel 1, piston rod 3 and piston 4；The cylinder barrel 1
Two ends are provided with opening, and piston 4 is located in cylinder barrel 1, and the side wall of piston 4 is contacted with the inwall of cylinder barrel 1, and the one of piston rod 3
End is connected with piston 4, and the other end passes through the opening of cylinder barrel 1；In hydraulic cylinder group, two adjacent fluid cylinder bodies pass through a hydraulic pressure
The free end of the piston rod 3 of cylinder body is connected with that one end away from piston rod 3 on the piston 4 of another cylinder body
Mode is connected in turn.
Further, in addition to guide sleeve 2, the guide sleeve 2 is arranged on the two ends of cylinder barrel 1.The cylinder barrel 1, guide sleeve
2nd, piston rod 3 and the heart coaxially of one another of piston 4.The free end of the piston rod 3 of one cylinder body sequentially passes through the opening of cylinder barrel 1
With the centre bore of guide sleeve 2, and with the side that is connected of that one end away from piston rod 3 on the piston 4 of another cylinder body
Formula is connected.Guide sleeve plays a part of to support and ensure piston rod and cylinder barrel axiality, stretched in hydraulic cylinder rod in hydraulic cylinder
During going out, the effect for contacting hydraulic cylinder and cylinder barrel surface, hydraulic cylinder travel is longer, and guide sleeve is longer；Meanwhile, also it is oil
The oil sealing of cylinder mouthful provides a bearing.
Further, that one end away from piston rod 3 is provided with screwed hole 5 on piston 4, and the free end of piston rod 3 is set
It is equipped with the screw thread coordinated with screwed hole 5, the free end of the piston rod 3 of a cylinder body and the work of another cylinder body
Screwed hole 5 on plug 4 is connected through a screw thread.Threaded connection, which is that one kind is widely used, to be removably fixedly connected, and is had
It is simple in construction, connection is reliable, the advantages of be convenient to mount and dismount.
Further, in addition to pressurized cylinder 6, the pressurized cylinder 6 includes supercharging piston rod 7 and charged piston 8, charged piston
The free end of bar 7 be connected on piston 4 away from that one end of piston rod 3, the piston 4 in hydraulic cylinder group not with stopper rod 3
The piston 4 of threaded connection.The setting of pressurizing hydraulic cylinder 6 can increase the pressure of hydraulic cylinder group, and then increase the pressure of hydraulic cylinder group.
Further, the free end of the supercharging piston rod 7 is provided with the screw thread coordinated with screwed hole 5, supercharging piston rod 7
Free end and be connected through a screw thread on piston 4 away from that one end of piston rod 3.Threaded connection is a kind of widely used
Removably it is fixedly connected, has the advantages that simple in construction, connection is reliable, is convenient to mount and dismount.
Further, the cross section of the inner chamber of the pressurized cylinder 6 is more than the cross section of the inner chamber of cylinder body.Pressurized cylinder
It is to be combined oil hydraulic cylinder with booster, what is utilized is that Pascal's energy is kept weighing apparatus principle and worked.Because pressure is constant, work as compression
Area from large to small when, pressure also can change it is big, so as to reach the pressure result that pressure is increased to decades of times.Pascal's law
It is a fluidstatic law, Pascal's size is unchangeably transmitted from liquid to all directions.The size of pressure is according to quiet
Pressure fundamental equation：P=p0+ ρ gh draw, p0For additional pressure, ρ gh are original pressure, and p is pressure total after change.Than
Such as, the liquid in closed container is contained in, the pressure of itself is ρ gh, its additional pressure p0When changing, as long as liquid is still
The inactive state of holding its original is constant, and an equal amount of change will occur for the pressure of any point in liquid.In other words, exist
In closed container, the pressure put on inactive liquid will be with equivalent while pass to each point, i.e. p=p0+ρgh.Here it is Paasche
Card principle, or Hydrostatic Transfer Device principle.
Further, it is provided with sealing ring between guide sleeve 2 and cylinder barrel 1, it is preferable that the sealing ring is sealed using O shapes
Circle；Sealing ring is provided between piston 4 and cylinder barrel 1, it is preferable that the sealing ring uses y-type seal ring.
Embodiment two
The present embodiment is the operation instruction made on the basis of embodiment one.
The step of using the utility model, is as follows：
Start hydraulic cylinder group, each cylinder body in hydraulic cylinder group is started acting, hydraulic pump inputs hydraulic oil
In cylinder barrel 1, piston rod 3 is set to stretch out and driving load；It is very big when loading, when the thrust of hydraulic cylinder group is inadequate, due to being provided with increasing
Cylinder pressure 6, in the presence of pressurized cylinder 6, the pressure that piston rod 3 is subject to becomes big, and then completes the driving of load.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. with flow etc. point function hydraulic cylinder, it is characterised in that：Including hydraulic cylinder group, the hydraulic cylinder group is main by connecting successively
The cylinder body composition connect, institute's cylinder body includes cylinder barrel (1), piston rod (3) and piston (4)；
In a cylinder body, the two ends of the cylinder barrel (1) are provided with opening, and piston (4) is located in cylinder barrel (1), and
The side wall of piston (4) is contacted with the inwall of the cylinder barrel (1), and one end of piston rod (3) is connected with piston (4), and the other end passes through cylinder
The opening of cylinder (1)；
In hydraulic cylinder group, the free end for the piston rod (3) that two adjacent fluid cylinder bodies pass through a cylinder body with it is another
The mode that one end away from piston rod (3) is connected on the piston (4) of one cylinder body is connected in turn.
2. according to claim 1 have flow etc. point function hydraulic cylinder, it is characterised in that：Also include guide sleeve (2), institute
State the two ends that guide sleeve (2) is arranged on cylinder barrel (1)；The free end of the piston rod (3) of one cylinder body sequentially passes through cylinder barrel
(1) opening and the centre bore of guide sleeve (2), and with the piston (4) of another cylinder body away from piston rod (3) that
One end is connected.
3. according to claim 1 have flow etc. point function hydraulic cylinder, it is characterised in that：Away from living on piston (4)
That one end of stopper rod (3) is provided with screwed hole (5), and the free end of piston rod (3) is provided with the screw thread coordinated with screwed hole (5),
The free end of the piston rod (3) of one cylinder body passes through with the screwed hole (5) on the piston (4) of another cylinder body
Threaded connection is got up.
4. according to claim 3 have flow etc. point function hydraulic cylinder, it is characterised in that：Also include pressurized cylinder (6), institute
Stating pressurized cylinder (6) is included on supercharging piston rod (7) and charged piston (8), the free end of supercharging piston rod (7) and piston (4) far
That one end from piston rod (3) is connected, and the piston (4) is the piston that is not threadedly coupled with stopper rod (3) in hydraulic cylinder group
(4)。
5. according to claim 4 have flow etc. point function hydraulic cylinder, it is characterised in that：The supercharging piston rod (7)
Free end be provided with the screw thread coordinated with screwed hole (5), the free end of supercharging piston rod (7) and the screwed hole on piston (4)
(5) it is connected through a screw thread.
6. according to claim 4 have flow etc. point function hydraulic cylinder, it is characterised in that：The pressurized cylinder (6) it is interior
The cross section of chamber is more than the cross section of the inner chamber of cylinder body.
7. according to claim 2 have flow etc. point function hydraulic cylinder, it is characterised in that：The cylinder barrel (1), guide sleeve
(2), piston rod (3) and piston (4) heart coaxially of one another.
8. according to claim 2 have flow etc. point function hydraulic cylinder, it is characterised in that：In guide sleeve (2) and cylinder barrel
(1) sealing ring is provided between.
9. according to claim 1 have flow etc. point function hydraulic cylinder, it is characterised in that：In piston (4) and cylinder barrel (1)
Between be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332114.7U CN206409457U (en) | 2016-12-06 | 2016-12-06 | With flow etc. point function hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621332114.7U CN206409457U (en) | 2016-12-06 | 2016-12-06 | With flow etc. point function hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409457U true CN206409457U (en) | 2017-08-15 |
Family
ID=59550331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621332114.7U Expired - Fee Related CN206409457U (en) | 2016-12-06 | 2016-12-06 | With flow etc. point function hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523460A (en) * | 2016-12-06 | 2017-03-22 | 泸州长江液压密封件有限公司 | Pressure-intensified type hydraulic cylinder with a plurality of driving cavities |
-
2016
- 2016-12-06 CN CN201621332114.7U patent/CN206409457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523460A (en) * | 2016-12-06 | 2017-03-22 | 泸州长江液压密封件有限公司 | Pressure-intensified type hydraulic cylinder with a plurality of driving cavities |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105443498B (en) | It is a kind of that there is flexible and oscillating function Integral hydraulic cylinder and its application | |
| CN103244472B (en) | A kind of servo hydraulic cylinder valve system of hydraulic balance crystallizer gravity load | |
| CN206409457U (en) | With flow etc. point function hydraulic cylinder | |
| CN209430526U (en) | A kind of multistage hydraulic cylinder | |
| CN106523460A (en) | Pressure-intensified type hydraulic cylinder with a plurality of driving cavities | |
| CN202829455U (en) | Six freedom degrees motion platform | |
| CN104819840B (en) | A kind of double pressure cylinder test stands | |
| CN203114776U (en) | Double-cylinder single-piston-rod hydraulic cylinder | |
| CN206636873U (en) | A kind of hydraulic cylinder lasted a long time | |
| CN102705292A (en) | Hydraulic oil cylinder with novel connector body | |
| CN208035278U (en) | A kind of single-cylinder injection molding machine | |
| CN203297188U (en) | Constant pressure oil cylinder | |
| CN205605534U (en) | Two -way equally loaded pneumatic cylinder of single pole discrepancy | |
| CN206503801U (en) | Pressure compensated hydraulic cylinder is realized using spring | |
| CN207879757U (en) | Double acting more piece cylinder | |
| CN111197561B (en) | Reciprocating plunger pump | |
| CN207229506U (en) | A kind of bar cylinder altogether | |
| CN203433728U (en) | Heart cavity simulator driving mechanism | |
| CN106917732A (en) | A kind of pump | |
| CN106151166A (en) | The asynchronous telescopic hydraulic cylinder of dibit | |
| CN206129743U (en) | A plurality of gas cylinder fatigue test hydraulic means | |
| CN206129742U (en) | Gas cylinder fatigue test hydraulic means | |
| CN205575451U (en) | Double oil cylinder jack for car | |
| CN205395250U (en) | Novel oil pressure device | |
| CN205001284U (en) | Numerical control hydro -cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170815 Termination date: 20201206 |