CN206360964U - A kind of two-stage independent control type hydraulic sleeve cylinder assembly - Google Patents
A kind of two-stage independent control type hydraulic sleeve cylinder assembly Download PDFInfo
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- CN206360964U CN206360964U CN201620979004.3U CN201620979004U CN206360964U CN 206360964 U CN206360964 U CN 206360964U CN 201620979004 U CN201620979004 U CN 201620979004U CN 206360964 U CN206360964 U CN 206360964U
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Abstract
The utility model is related to technical field of hydraulic equipment, more particularly to a kind of two-stage independent control type hydraulic sleeve cylinder assembly.The two-stage independent control type hydraulic sleeve cylinder assembly that the utility model is provided includes inner casing, outer shell, piston and piston rod, constitute the hydraulic cylinder device of the double-cylinder type of two-stage independence, and the action of inner casing and outer shell is controlled by single oil circuit, interference will not be produced each other, solve the problems, such as that traditional telescoping cylinder sequence of motion is fixed from enough individually controlling wherein some cylinder single movement；Because two cylinder axialities of above-mentioned two-stage independent control type hydraulic sleeve cylinder assembly are preferable, outer shell and inner casing can be individually controlled to move, therefore the axiality requirement of pressure-pad-force and test force can be ensured on the material forming testers such as cupping testing machine, hole expansion test machine, flat lubricating cup testing machine by applying, pressure-pad-force is uniform, can obtain more accurately testing of materials test data.
Description
Technical field
The utility model is related to technical field of hydraulic equipment, more particularly to a kind of two-stage independent control type hydraulic sleeve cylinder dress
Put.
Background technology
Hydraulic system can be produced compared with high thrust by hydraulic cylinder, and hydraulic cylinder works stabilized speed is controllable, and it is usually employed
In the material molded test such as testing of materials testing machine industry, especially cupping testing machine, hole expansion test machine, flat lubricating cup testing machine
Machine, such testing machine needs two kinds of active forces to carry out flanging and experiment to sample respectively when carrying out experimental test.Pass
The structure of system be the hydraulic cylinder being symmetrically installed with two or more as pressure-pad-force acting cylinder, one, center hydraulic cylinder is used as examination
Test power acting cylinder.Conventional method is because peripheral hydraulic cylinder is asynchronous, machine components tolerance, assembling the problems such as cause in process of the test
Pressure-pad-force is uneven, and pressure-pad-force and experiment load coaxiality are poor, so as to influence experimental test result.And hydraulic pressure in the market
Telescoping cylinder is mainly used in the application fields such as lift, crane gear, also can not individually carry out extension and contraction control.
Utility model content
(1) the purpose of this utility model is：The two-stage that a kind of axiality is good, can independently be controlled is provided independently to control
Standard hydraulic sleeve cylinder assembly.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of two-stage independent control type hydraulic sleeve cylinder assembly,
Inner casing, outer shell, piston and piston rod, the inner casing are embedded in the outer shell, and the outer shell is divided in the lower end of the inner casing
Into outer shell epicoele and outer shell cavity of resorption, the outer shell is provided with the second oil inlet and the second oil-out, second oil inlet with
The outer shell cavity of resorption connection, second oil-out is connected with the outer shell epicoele；The piston is located in inner casing and will be described
Inner casing is divided into inner casing epicoele and inner casing cavity of resorption, the lower end of the piston rod be located on the inner casing intracavitary and with the piston phase
Even, upper end is located at the outside of the inner casing, and the inner casing is provided with the first oil inlet and the first oil-out, first oil inlet
Connected with the inner casing cavity of resorption, first oil-out is connected with the inner casing epicoele.
The beneficial effects of the utility model：
The two-stage independent control type hydraulic sleeve cylinder assembly that the utility model is provided includes inner casing, outer shell, piston and piston rod,
The inner casing is embedded in the outer shell, and the outer shell is divided into outer shell epicoele and outer shell cavity of resorption, institute by the lower end of the inner casing
State piston and inner casing is divided into inner casing epicoele and inner casing cavity of resorption, constitute the hydraulic cylinder device of the double-cylinder type of two-stage independence, and it is described
The action of inner casing and the outer shell is controlled by single oil circuit, and interference will not be produced each other, is solved traditional
Telescoping cylinder sequence of motion is fixed from enough individually controlling wherein some cylinder single movement problem；Due to above-mentioned two-stage independent control
Two cylinder axialities of formula hydraulic sleeve cylinder assembly preferably, can individually control outer shell and inner casing to move, therefore apply in AEG-process
It can ensure the axiality of pressure-pad-force and test force on the material forming testers such as machine, hole expansion test machine, flat lubricating cup testing machine
It is required that, pressure-pad-force is uniform, can obtain more accurately testing of materials test data.
Further, the upper end of the piston rod is connected with inner casing ring flange.
Further, the outer shell includes base and outer cylinder, and the lower end of the outer cylinder passes through screw and the base
It is connected, second oil inlet and the second oil-out are arranged on the outer cylinder.
Further, the inner casing includes inner cylinder tube and slide, and the slide is fixed by screws in the inner cylinder tube
Lower end, and the edge of the slide contacts and seals with the inwall of the outer cylinder.
Further, the upper end of the inner cylinder tube is provided with outer shell adpting flange, first oil inlet and the first oil-out
It is arranged on the outer shell adpting flange.
Further, the piston is provided with piston seal and the first guidance tape.
Further, the first sealing ring is provided between the slide and the inner cylinder tube.
Further, the upper end of the inner cylinder tube is covered with dust provided with First piston bar sealing, the second guidance tape and first.
Further, the upper end of the outer cylinder is covered with dust provided with second piston bar sealing the 3rd guidance tape and second.
Further, the second sealing ring is provided between the outer cylinder and the base.
Brief description of the drawings
The utility model is above-mentioned and/or advantage of additional aspect will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the two-stage independent control type hydraulic sleeve cylinder assembly described in the utility model embodiment；
Fig. 2 is the structure of the reset state of the two-stage independent control type hydraulic sleeve cylinder assembly described in the utility model embodiment
Schematic diagram；
Fig. 3 is the structural representation of the piston；
Fig. 4 is the structural representation of the inner casing；
Fig. 5 is the structural representation of outer shell.
Corresponding relations of the wherein Fig. 1 into Fig. 5 between reference and component names be：
1st, inner casing, 11, inner casing epicoele, 12, inner casing cavity of resorption, the 13, first oil inlet, the 14, first oil-out, 15, inner cylinder tube,
151st, outer shell adpting flange, 152, First piston bar sealing, the 153, second guidance tape, 154, first is covered with dust, 16, slide, 161,
First sealing ring, 2, outer shell, 21, outer shell epicoele, 22, outer shell cavity of resorption, the 23, second oil inlet, the 24, second oil-out, 25, bottom
Seat, the 251, second sealing ring, 26, outer cylinder, 261, the sealing of second piston bar, the 262, the 3rd guidance tape, 263, second is covered with dust, 3,
Piston, 31, piston seal, the 32, first guidance tape, 4, piston rod, 5, inner casing ring flange, 6, screw.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, the utility model provide a kind of two-stage independent control type hydraulic sleeve cylinder assembly, inner casing 1,
Outer shell 2, piston 3 and piston rod 4, the inner casing 1 are embedded in the outer shell 2, and the inner casing 1 lower end by the outer shell 2
It is divided into outer shell epicoele 21 and outer shell cavity of resorption 22, the outer shell 2 is provided with the second oil inlet 23 and the second oil-out 24, described
Two oil inlets 23 are connected with the outer shell cavity of resorption 22, and second oil-out 24 is connected with the outer shell epicoele 21；The piston 3
It is divided into inner casing epicoele 11 and inner casing cavity of resorption 12 in inner casing 1 and by the inner casing 1, the lower end of the piston rod 4 is positioned at described
It is connected in inner casing epicoele 11 and with the piston 3, upper end is located at the outside of the inner casing 1, the inner casing 1 is provided with the first oil-feed
The oil-out 14 of mouth 13 and first, first oil inlet 13 is connected with the inner casing cavity of resorption 12, first oil-out 14 and institute
Inner casing epicoele 11 is stated to connect.
The two-stage independent control type hydraulic sleeve cylinder assembly that the utility model is provided：Inner casing 1, outer shell 2, piston 3 and piston rod
4, the inner casing 1 is embedded in the outer shell 2, and the outer shell 2 is divided into outer shell epicoele 21 and outer shell by the lower end of the inner casing 1
Inner casing 1 is divided into inner casing epicoele 11 and inner casing cavity of resorption 12 by cavity of resorption 22, the piston 3, constitutes the hydraulic pressure of the double-cylinder type of two-stage independence
Cylinder assembly, and the action of the inner casing 1 and the outer shell 2 is controlled by single oil circuit, will not produce each other
Interference, solves the problem of traditional telescoping cylinder sequence of motion is fixed from enough individually controlling wherein some cylinder single movement；
Because two cylinder axialities of above-mentioned two-stage independent control type hydraulic sleeve cylinder assembly are preferable, outer shell 2 and inner casing 1 can be individually controlled to transport
It is dynamic, therefore apply and can ensure pressure on the material forming testers such as cupping testing machine, hole expansion test machine, flat lubricating cup testing machine
Side power and the requirement of the axiality of test force, pressure-pad-force are uniform, can obtain more accurately testing of materials test data.
As shown in Figure 1 to Figure 3, the upper end of the piston rod 4 is connected with inner casing ring flange 5, passes through inner casing ring flange 5 and its
His mechanism is connected, such as cupping testing machine, hole expansion test machine, flat lubricating cup testing machine machine；The outer shell 2 includes the He of base 25
Outer cylinder 26, the lower end of the outer cylinder 26 is connected by screw 6 with the base 25, and at the outer cylinder 26 and the bottom
The junction of seat 25 is additionally provided with the second sealing ring 251, by setting the second sealing ring 251 to seal outer cylinder 26 and base 25,
To prevent hydraulic oil from revealing, the oil-out 24 of the second oil inlet 23 and second is arranged on the outer cylinder 26.
As shown in Fig. 3 to 5, the inner casing 1 includes inner cylinder tube 15 and slide 16, and the slide 16 is fixed on by screw 6
The lower end of the inner cylinder tube 15, and the edge of the slide 16 contacts and seals with the inwall of the outer cylinder 26, the slide
16 can be slided in inner casing 1, and it is played a part of identical with the effect of piston 3, and the outer shell 2 is divided into by the slide 16
Outer shell epicoele 21 and outer shell cavity of resorption 22, wherein second oil inlet 23 be opened in the lower end of the outer cylinder 26 and with it is described outer
Cylinder cavity of resorption 22 is connected, and second oil-out 24 is opened in the upper end of the outer cylinder 26 and connected with the outer shell epicoele 21.
The upper end of the inner cylinder tube 15 is provided with outer shell adpting flange 151, and the oil-out 14 of the first oil inlet 13 and first is arranged at
On the outer shell adpting flange 151, first oil inlet 13 enters inner casing cavity of resorption by the fluid pressure line on inner cylinder tube 15
12, while the first oil-out 14 is directly connected with inner casing epicoele 11, while the upper end of inner cylinder tube 15 is sealed provided with First piston bar
152nd, the second guidance tape 153 and first is covered with dust 154, and the piston rod 4 is sealed on for preventing piston rod 4 in inner casing 1 and moved down
Hydraulic oil leakage when dynamic in inner casing 1, and 154 prevent the solid sundries of dust from entering in inner casing 1 by setting first to be covered with dust,
The activity that second guidance tape 153 is used for piston rod 4 carries out guide effect.The piston 3 is provided with piston seal and the
One guidance tape 32, the piston seal 31 is used for the inwall of sealing piston 3 and inner cylinder tube 15, prevents under inner casing epicoele 11 and inner casing
It is interconnected between chamber 12.Alternatively, the first sealing ring 161, described the are provided between the slide 16 and the inner cylinder tube 15
One sealing ring 161 is used to seal slide 16 and inner cylinder tube 15, and the upper end of the outer cylinder 26 is provided with second piston bar sealing 261 the
Three guidance tapes 262 and second are covered with dust 263.The second piston bar sealing 261 is used to prevent inner casing 1 from moving up and down in outer shell 2
When outer shell 2 in hydraulic oil leakage, and by set second be covered with dust 263 prevent the solid sundries such as dust enter outer shell 2 in, institute
The activity that stating the 3rd guidance tape 262 is used for piston rod 4 carries out guide effect.
Below come illustrate the utility model offer two-stage independent control type hydraulic sleeve cylinder assembly the course of work.
When outer shell 2 is operated, hydraulic oil is entered in outer shell cavity of resorption 22, outer shell cavity of resorption 22 by the second oil inlet 23
Hydraulic oil increases pressure increase, promotes inner casing 1 and the piston 3 in inner casing 1 to move upwardly together, piston rod 4 passes through flange
Disk is connected with other mechanisms, and exporting the hydraulic oil in power, outer shell epicoele 21 laterally by piston rod 4 passes through the second oil-out
24 discharges；When piston 3 resets, by the second oil-out 24, into outer shell epicoele 21, delivery hydraulic pressure is oily, now outer shell epicoele 21
Interior hydraulic oil increases pressure increase, promotes inner casing 1 and the piston 3 in inner casing 1 to move downwardly together, now outer shell cavity of resorption
Hydraulic oil in 22 is discharged by the second oil inlet 23.
When inner casing 1 is operated, hydraulic oil enters inner casing cavity of resorption 12 by the first oil inlet 13 and fluid pressure line, now
Hydraulic oil in inner casing cavity of resorption 12 increases pressure increase, promotes piston 3 and piston rod 4 to move up, now in inner casing epicoele 11
Hydraulic oil discharged from the first oil-out 14；When piston 3 resets, hydraulic oil enters inner casing epicoele by the first oil-out 14
11, now the hydraulic oil in inner casing epicoele 11 increases, pressure increases, and driving piston 3 drives piston rod 4 to move down, under inner casing
Hydraulic oil in chamber 12 is discharged by the first oil inlet 13.
In summary, the two-stage independent control type hydraulic sleeve cylinder assembly that the utility model is provided includes inner casing, outer shell, piston
And piston rod, the inner casing is embedded in the outer shell, and the outer shell is divided into outer shell epicoele and outer by the lower end of the inner casing
Inner casing is divided into inner casing epicoele and inner casing cavity of resorption by cylinder cavity of resorption, the piston, constitutes the hydraulic cylinder device of the double-cylinder type of two-stage independence,
And the action of the inner casing and the outer shell is controlled by single oil circuit, interference will not be produced each other, solved
Traditional telescoping cylinder sequence of motion is fixed from enough individually controlling wherein some cylinder single movement problem；Due to above-mentioned two-stage
Two cylinder axialities of independent control type hydraulic sleeve cylinder assembly preferably, can individually control outer shell and inner casing to move, therefore apply
It can ensure pressure-pad-force and test force on the material forming testers such as cupping testing machine, hole expansion test machine, flat lubricating cup testing machine
Axiality requirement, pressure-pad-force is uniform, can obtain more accurately testing of materials test data.
, it is necessary to explanation in description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " " interior ", the orientation of the instruction such as " outer " or position relationship
Described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating
Or imply relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.In addition, in description of the present utility model, unless otherwise indicated, " multiples' " contains
Justice is two or more.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of two-stage independent control type hydraulic sleeve cylinder assembly, it is characterised in that：Inner casing, outer shell, piston and piston rod, it is described interior
Cylinder is embedded in the outer shell, and the outer shell is divided into outer shell epicoele and outer shell cavity of resorption, the outer shell by the lower end of the inner casing
The second oil inlet and the second oil-out are provided with, second oil inlet is connected with the outer shell cavity of resorption, second oil-out
Connected with the outer shell epicoele；
The piston is located in inner casing and the inner casing is divided into inner casing epicoele and inner casing cavity of resorption, and the lower end of the piston rod is located at
Intracavitary and it is connected on the inner casing with the piston, upper end is located at the outside of the inner casing, the inner casing is provided with the first oil-feed
Mouth and the first oil-out, first oil inlet are connected with the inner casing cavity of resorption, first oil-out and the inner casing epicoele
Connection.
2. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 1, it is characterised in that：The piston rod it is upper
End is connected with inner casing ring flange.
3. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 1, it is characterised in that：The outer shell includes bottom
Seat and outer cylinder, the lower end of the outer cylinder are connected by screw with the base, second oil inlet and the second oil-out
It is arranged on the outer cylinder.
4. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 3, it is characterised in that：The inner casing includes interior
Cylinder barrel and slide, the slide are fixed by screws in the lower end of the inner cylinder tube, and the edge of the slide and the outer shell
The inwall of cylinder is contacted and sealed.
5. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 4, it is characterised in that：The inner cylinder tube it is upper
End is provided with outer shell adpting flange, and first oil inlet and the first oil-out are arranged on the outer shell adpting flange.
6. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 4, it is characterised in that：The piston is provided with
Piston seal and the first guidance tape.
7. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 4, it is characterised in that：The slide and described
The first sealing ring is provided between inner cylinder tube.
8. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 4, it is characterised in that：The inner cylinder tube
Upper end is covered with dust provided with First piston bar sealing, the second guidance tape and first.
9. two-stage independent control type hydraulic sleeve cylinder assembly according to claim 4, it is characterised in that：The outer cylinder it is upper
End is covered with dust provided with the sealing of second piston bar, the 3rd guidance tape and second.
10. the two-stage independent control type hydraulic sleeve cylinder assembly according to any one of claim 3 to 9, it is characterised in that：It is described
The second sealing ring is provided between outer cylinder and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979004.3U CN206360964U (en) | 2016-08-29 | 2016-08-29 | A kind of two-stage independent control type hydraulic sleeve cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979004.3U CN206360964U (en) | 2016-08-29 | 2016-08-29 | A kind of two-stage independent control type hydraulic sleeve cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360964U true CN206360964U (en) | 2017-07-28 |
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ID=59369609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979004.3U Active CN206360964U (en) | 2016-08-29 | 2016-08-29 | A kind of two-stage independent control type hydraulic sleeve cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125461A (en) * | 2023-08-18 | 2023-11-28 | 天津泰格瑞祥仪器设备有限公司 | Cup process test system |
-
2016
- 2016-08-29 CN CN201620979004.3U patent/CN206360964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125461A (en) * | 2023-08-18 | 2023-11-28 | 天津泰格瑞祥仪器设备有限公司 | Cup process test system |
| CN117125461B (en) * | 2023-08-18 | 2024-04-26 | 天津泰格瑞祥仪器设备有限公司 | Cup process test system |
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