CN106594285A - Digital hydraulic adjustment sealing structure - Google Patents
Digital hydraulic adjustment sealing structure Download PDFInfo
- Publication number
- CN106594285A CN106594285A CN201710097309.0A CN201710097309A CN106594285A CN 106594285 A CN106594285 A CN 106594285A CN 201710097309 A CN201710097309 A CN 201710097309A CN 106594285 A CN106594285 A CN 106594285A
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- sealing
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- hydraulic
- ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3296—Arrangements for monitoring the condition or operation of elastic sealings; Arrangements for control of elastic sealings, e.g. of their geometry or stiffness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Provided is a digital hydraulic adjustment sealing structure. A set of sealing rings is arranged below a sample tube of a high-pressure physical property analysis meter. A sealing adjustment rod is installed on the lower portions of the sealing rings. A fastening nut is arranged outside the sealing adjustment rod. An oil cylinder is arranged on the lower portion of the adjustment rod and connected to a hydraulic device. A high-pressure connector is arranged in the oil cylinder. The sealing structure is suitable for the fields of petroleum engineering, the petrochemical industry and the like.
Description
Technical field
The invention belongs to technical field of sealing technology, more particularly to a kind of digital hydraulic regulation sealing structure.
Background technology
Sealing Technology Jing in impermeable or anti-leak equipment is often used, and has also greatly promoted industrial field device skill
The development of art.Because of various industrial occasions or environment or condition difference, various special or special sealing structure is also generated, also
It is to say that sealing structure does not typically have versatility or universality.
In special high-pressure metering pump, especially in high pressure property analyser, due to environment or experimental analysiss condition
What is required is harshness, and what the sealing of sealing structure was also required that is extremely strict；If the high pressure property analyser in experiment
Poor sealing or sealing effectiveness are bad, will directly affect the effect and result of whole experiment, and analysis experimental data can also go out
Existing error.The sealing device of existing high pressure property analyser is typically sealed using viton seal ring, solid with bolt compresses
Determine sealing ring to reach the effect of sealing, this sealing structure circle is that sealing thrust does not know first, and sealing hold-down bolt is not
It is convenient to adjust, next to that viton seal ring non-refractory, perishable, service life are short, and fluorubber is used at high temperature
Sealing ring easily causes sample contamination so that sealing ring needs Jing often to change and replacement operation complexity, reduces high pressure property point
The reliability of analyzer.
The content of the invention
Based on a difficult problem of the prior art, the applicant puts into a large amount of manpower and materials, proposes that a kind of digital hydraulic is adjusted
Sealing structure, which is specially adapted for high-pressure metering pump and high pressure property analyser etc., with good sealing effect, easy to operate excellent
Point.
According to technical scheme, a kind of digital hydraulic adjusts sealing structure, and which is used for high pressure property analyser
Sample cylinder seal, it include sample cylinder, base, support shaft, piston head, piston, sealing ring group, seal washer, sealing adjusting rod,
Fastening screw nut, support base, oil cylinder, oil cylinder interface and O-ring seals；Sample cylinder is threadedly secured on base, support shaft with
Base is connected with；Oil cylinder interface is connected on hydraulic pump by high pressure line.
Wherein, one group of sealing ring is provided with below the sample cylinder of the high pressure property analyser, the sealing ring lower potion is equipped with
Sealing adjusting rod, adjusting rod are externally provided with fastening screw nut, and adjusting rod bottom is oil cylinder and is connected to hydraulic means, and oil cylinder is provided with high pressure
Connector.
In addition, the piston sealing structure for high pressure property analyser includes sample cylinder 1, piston head 2, sealing ring group 3, close
Envelope adjusting rod 4, piston rod 5, adjusting nut 6, base 7, hydraulic cylinder 8, hydraulic interface 9, gripper shoe 10, test medium 11, packing ring
12nd, support shaft 13, the first O-ring 14, the second O-ring 15 and the 3rd O-ring 16；
Wherein sample cylinder 1 is to be inverted cylinder-like structure, and upper end is blind end, and lower ending opening, wall thickness are 40mm, and material is high
Steel alloy, for holding test medium 11, is threadedly secured on base 7；
Piston head 2 is to be inverted cylinder-like structure, and upper end is blind end, lower ending opening, and wall thickness 10mm, material are high alloy
Steel, for adjusting the volume of test medium 11 in sample 1, is threadedly secured on piston rod 5；
Sealing ring group 3 is circular ring structure, for the sealing in gap between piston head 2 and sample cylinder 1, prevents sample from piston
Clearance leakage between 2 and sample cylinder 1；3 material of sealing ring group is politef, and 3 kink of sealing ring group is on piston head 2；
Sealing adjusting rod 4 is cylindrical structure, and material is high-alloy steel, and wall thickness is 6mm, for adjustment effect in sealing ring group
3 pressure, it is ensured that the sealing function of sealing ring group 3；Sealing 4 kink of adjusting rod is on piston rod 5；
Piston rod 5 is cylindrical-shaped structure, and material is No. 45 steel, is connected with piston head 2, constitutes piston；When piston rod 5 upwards
When mobile, piston head 2 is also moved up, for adjusting the volume of test medium 11 in sample 1；Piston rod 5 is threadably secured
In gripper shoe 10；
Adjusting nut, is circular ring, and material is No. 45 steel, is connected with sealing adjusting rod 4 by screw thread, for adjusting
Gap between sealing adjusting rod 4 and hydraulic cylinder 8；
Base 7 is rectangular structure, and for installing sample cylinder 1, sample cylinder 1 is connected with base 7 by screw thread；Base 7
In sample cylinder 1, material is No. 45 steel；
Hydraulic cylinder 8 is cylinder-like structure, for adjusting the position of sealing adjusting rod 4, adjusts the sealing of sealing ring group 3
Energy；Material is high-alloy steel, by being threadably mounted at 5 bottom of piston rod；
Hydraulic interface 9 is an interface on hydraulic cylinder 8；
Gripper shoe 10 is rectangular structure, for installing piston rod 5 and being connected with drive system, drives
It is dynamic；Gripper shoe 10 is located at piston rod bottom, and material is No. 45 steel；
Test medium 11 is the sample of experiment Analysis, is injected by the interface of sample cylinder 1 by pump；
Support shaft 13 is cylindrical-shaped structure, for supporting whole experimental provision, is connected with base 7 by bolt, the other end
It is connected with whole machine frame；The material of support shaft 13 is No. 45 steel；
First O-ring 14, is cirque structure, for the clearance seal between hydraulic cylinder 8 and sealing adjusting rod 4, is prevented
Clearance leakage of the hydraulic oil in oil cylinder between hydraulic cylinder 8 and sealing adjusting rod 4 is gone out；The material of O-ring 14 is rubber；
Second O-ring 15, is cirque structure, for sealing the clearance seal between adjusting rod 4 and piston rod 5, is prevented
Clearance leakage of the hydraulic oil in oil cylinder between piston rod 5 and sealing adjusting rod 4 is gone out；The material of O-ring 15 is rubber；
3rd O-ring 16, is cirque structure, for the clearance seal between hydraulic cylinder 8 and piston rod 5, prevents oil cylinder
In clearance leakage of the hydraulic oil between piston rod 5 and hydraulic cylinder 8 go out；The material of O-ring 16 is rubber.
Further, the sample cylinder 1 of high pressure property analyser is threadedly secured on base 7, and the effect of sample cylinder 1 is
A confined space is formed together with piston head, black box, for holding test medium 11；Piston head 2 passes through screw thread and work
Stopper rod 5 is connected, and constitutes piston body.
Additionally, when gripper shoe 10 moves up and down, driving piston body to move up and down, so as to adjust the cavity for holding medium 11
Volume；Sealing ring group 3 is enclosed within piston head together with packing ring 12, and the effect of packing ring 12 is to prevent sealing ring group material material leakage, close
Envelope leakage；4 kink of adjusting rod is sealed on piston rod 5, for pressure of the adjustment effect in sealing ring group.
This digital hydraulic adjusts sealing structure and adopts hydraulic control mode, pressure adjustable, pressure value numerical monitor to ensure
Act on thrust uniformity on sealing ring.For encapsulant, if thrust is excessive, plunger will be caused stuck；
If thrust is too small, plunger can not be sealed.When encapsulant weares and teares, if sealing thrust accurately can not be set, will not
It is effective to ensure that sealing.This sealing structure is easy to operate quick, and good sealing effect, sealing ring are easy to adjust, also readily replaceable,
The sealing ring is made using special material, high temperature resistant, corrosion-resistant, pollution-free, long service life.
Description of the drawings
Fig. 1 is that the digital hydraulic of the present invention adjusts sealed structural representation.
In figure, 1 is sample cylinder, and 2 is piston head, and 3 is sealing ring group, and 4 is sealing adjusting rod, and 5 is piston, and 6 is to adjust spiral shell
Mother, 7 bases, 8 are hydraulic cylinders, and 9 is hydraulic interface, and 10 is gripper shoe, and 11 is test medium, and 12 is packing ring, and 13 is support shaft, 14
It is O-ring, 15 is O-ring, and 16 is O-ring.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
The digital hydraulic of the present invention adjusts sealing structure and is provided with one using below the sample cylinder of high pressure property analyser
Group sealing ring, the sealing ring lower potion are externally provided with fastening screw nut equipped with sealing adjusting rod, sealing adjusting rod, and adjusting rod bottom is oil
Cylinder is simultaneously connected to hydraulic means, and high pressure connector is provided with oil cylinder.This sealing structure is applied to the neck such as petroleum works, petrochemical industry
Domain.
Further, digital hydraulic adjusts sealing structure, and which is used for the sealing of high pressure property analyser sample cylinder and measures
The piston seal of pump, which includes that sample cylinder, base, support shaft, piston head, piston, sealing ring group, seal washer, sealing are adjusted
Bar, fastening screw nut, support base, oil cylinder, oil cylinder interface and O-ring seals；Sample cylinder is threadedly secured on base, support shaft
It is connected with base；Oil cylinder interface is connected on hydraulic pump by high pressure line.This digital hydraulic adjusts sealing structure
Using hydraulic control mode, pressure adjustable, pressure value numerical monitor, guarantee effect thrust uniformity on sealing ring.It is right
For encapsulant, if thrust is excessive, plunger will be caused stuck；If thrust is too small, plunger can not be sealed.It is close
When closure material weares and teares, if sealing thrust accurately can not be set, it is impossible to effectively ensure sealing.This sealing structure operation side
Just quick, good sealing effect, sealing ring are easy to adjust, also readily replaceable, and the sealing ring is made using special material, resistance to height
It is warm, corrosion-resistant, pollution-free, long service life.
Specifically, digital hydraulic adjusts sealing structure and seals for high pressure property analyser sample cylinder, and which includes sample
Cylinder, base, support shaft, piston head, piston, sealing ring group, seal washer, sealing adjusting rod, fastening screw nut, support base, oil cylinder,
Oil cylinder interface and O-ring seals；Sample cylinder is threadedly secured on base, and support shaft is connected with base；Oil cylinder connects
Mouth is connected on hydraulic pump by high pressure line.
As shown in figure 1, the piston sealing structure for high pressure property analyser includes sample cylinder 1, piston head 2, sealing ring
Group 3, sealing adjusting rod 4, piston 5, adjusting nut 6, base 7, hydraulic cylinder 8, hydraulic interface 9, gripper shoe 10, test medium 11,
Packing ring 12, support shaft 13, the first O-ring 14, the second O-ring 15 and the 3rd O-ring 16, wherein：
Sample cylinder 1, is to be inverted cylinder-like structure, and upper end is blind end, and lower ending opening, wall thickness are 40mm, and material is high conjunction
Jin Gang, for holding test medium 11, is threadedly secured on base 7；
Piston head 2, is to be inverted cylinder-like structure, and upper end is blind end, lower ending opening, and wall thickness 10mm, material are high alloy
Steel, for adjusting the volume of test medium 11 in sample 1, is threadedly secured on piston rod 5；
Sealing ring group 3, is circular ring structure, for the sealing in gap between piston head 2 and sample cylinder 1, prevents sample from work
Clearance leakage between chock plug 2 and sample cylinder 1.3 material of sealing ring group is politef, and 3 kink of sealing ring group is in piston head 2
On；
Sealing adjusting rod 4, is cylindrical structure, and material is high-alloy steel, and wall thickness is 6mm, for adjustment effect in sealing ring
The pressure of group 3, it is ensured that the sealing function of sealing ring group 3.Sealing 4 kink of adjusting rod is on piston rod 5；
Piston rod 5, is cylindrical-shaped structure, and material is No. 45 steel, is connected with piston head 2, constitutes piston.When piston rod 5 to
When upper mobile, piston head 2 is also moved up, for adjusting the volume of test medium 11 in sample 1.Piston rod 5 is solid by screw thread
It is scheduled in gripper shoe 10；
Adjusting nut 6, is circular ring, and material is No. 45 steel, is connected with sealing adjusting rod 4 by screw thread, for adjusting
Gap between section sealing adjusting rod 4 and hydraulic cylinder 8；
Base 7, rectangular structure, for installing sample cylinder 1, sample cylinder 1 is connected with base 7 by screw thread.Base 7 is located at
Sample cylinder 1, material are No. 45 steel；
Hydraulic cylinder 8, is cylinder-like structure, for adjusting the position of sealing adjusting rod 4, adjusts the sealing of sealing ring group 3
Energy.Material is high-alloy steel, by being threadably mounted at 5 bottom of piston rod.
Hydraulic interface 9, is an interface on hydraulic cylinder 8, using linear sealing structure,
Gripper shoe 10, is rectangular structure, for installing piston rod 5 and being connected with drive system, drives piston rod upper and lower
It is mobile.Gripper shoe 10 is located at piston rod bottom, and material is No. 45 steel；
Test medium 11, is the sample of experiment Analysis, is injected by the interface of sample cylinder 1 by pump；
Support shaft 13 is cylindrical-shaped structure, for supporting whole experimental provision, is connected with base 7 by bolt, the other end
It is connected with whole machine frame.The material of support shaft 13 is No. 45 steel；
First O-ring 14, is cirque structure, for the clearance seal between hydraulic cylinder 8 and sealing adjusting rod 4, is prevented
Clearance leakage of the hydraulic oil in oil cylinder between hydraulic cylinder 8 and sealing adjusting rod 4 is gone out.The material of O-ring 14 is rubber；
Second O-ring 15, is cirque structure, for sealing the clearance seal between adjusting rod 4 and piston rod 5, is prevented
Clearance leakage of the hydraulic oil in oil cylinder between piston rod 5 and sealing adjusting rod 4 is gone out.The material of O-ring 14 is rubber；
3rd O-ring 16, is cirque structure, for the clearance seal between hydraulic cylinder 8 and piston rod 5, prevents oil cylinder
In clearance leakage of the hydraulic oil between piston rod 5 and hydraulic cylinder 8 go out.The material of O-ring 16 is rubber.
Adjust in sealing structure in the digital hydraulic of the present invention, the sample cylinder 1 of high pressure property analyser is solid by screw thread
It is scheduled on base 7, the effect of sample cylinder 1 is that a confined space is formed together with piston head, black box, for holding experiment
Medium 11.Piston head 2 is connected with piston rod 5 by screw thread, constitutes piston body.When gripper shoe 10 moves up and down, band piston
Body moves up and down, so as to adjust the cavity volume for holding medium 11.Sealing ring group 3 is enclosed within piston head together with packing ring 12, pad
The effect of circle 12 is to prevent sealing ring group material material leakage, sealing leak.4 kink of adjusting rod is sealed on piston rod 5, for adjusting
Act on the pressure in sealing ring group.Nut 6 is connected with piston adjusting rod 4 by screw thread, and its effect is that fixed piston is adjusted
The position of bar 4.Hydraulic cylinder 8 is connected with piston rod 5 by screw thread, constitutes hydraulic cavities, from liquid together with piston rod, sealing adjusting rod
The liquid that crimping mouth 9 is flowed into enters hydraulic cavities, and the first O-ring 14, the second O-ring 15, the effect of the 3rd O-ring 16 are to prevent liquid
The liquid leakage in pressure chamber, plays sealed hydraulic chamber.The effect of gripper shoe 10 is to install piston rod and in the presence of external force,
Piston rod is driven to move up and down.Support shaft 13 is connected with base 7 with bolt, and support shaft is fixed on the effect of support shaft in frame is
In the presence of external force, drive total to rotate.
Additionally, understand by accompanying drawing 1, the high pressure property of sealing structure is adjusted in the digital hydraulic for being provided with the present invention
In analytical tool, it is connected with hydraulic interface 9 by pipeline by external hydraulic pump, hydraulic pump is injected to hydraulic cylinder 8 by pipeline
Highly pressurised liquid.O-ring 14,15,16 seals, and prevents the highly pressurised liquid in hydraulic cylinder from leaking out.It is high in hydraulic cylinder
Under press liquid effect, sealing adjusting rod 4 is pushed upwardly shifting, packing washer 12 and sealing ring group 3.When sealing adjusting rod 4 is moved upwards
When dynamic, adjusting nut 6 is driven to move upwardly together, rotating adjusting nut 6 makes which move down and fit above hydraulic cylinder 8,
The position that so piston adjusting rod is moved up is fixed.In the process, piston head 2, piston rod 5, hydraulic cylinder 8 and
Fagging 10 is motionless.The highly pressurised liquid released in hydraulic cylinder, operation are completed.
Patent of the present invention adopts hydraulic control technology, by the output fluid pressure value for controlling hydraulic pump, it is ensured that act on
The pressure value of black box is precisely consistent, pressure value numerical monitor, intuitively；It is easy to operate, it is ensured that the sealing property one of sample cylinder
Cause.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the embodiment of the present invention is disclosed, the change that can readily occur in or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claim
Scope is defined.
Claims (5)
1. digital hydraulic adjusts sealing structure, and which is used for the sealing of high pressure property analyser sample cylinder and the piston of dosing pump is close
Envelope, which includes sample cylinder, base, support shaft, piston head, piston, sealing ring group, seal washer, sealing adjusting rod tight spiral shell
Mother, support base, oil cylinder, oil cylinder interface and O-ring seals；Sample cylinder is threadedly secured on base, and support shaft is used with base
Bolt connection；Oil cylinder interface is connected on hydraulic pump by high pressure line.
2. sealing structure is adjusted according to the digital hydraulic described in claim 1, it is characterised in that the high pressure property analyser
Sample cylinder below be provided with one group of sealing ring, the sealing ring lower potion is externally provided with fastening screw nut equipped with sealing adjusting rod, adjusting rod,
Adjusting rod bottom is oil cylinder and is connected to hydraulic means, and oil cylinder is provided with high pressure connector.
3. sealing structure is adjusted according to the digital hydraulic described in claim 1, it is characterised in that for high pressure property analyser
Piston sealing structure include sample cylinder (1), piston head (2), sealing ring group (3), sealing adjusting rod (4), piston rod (5), adjust
Section nut (6), base (7), hydraulic cylinder (8), hydraulic interface (9), gripper shoe (10), test medium (11), packing ring (12), support
Axle (13), the first O-ring (14), the second O-ring (15) and the 3rd O-ring (16)；
Wherein sample cylinder (1) is to be inverted cylinder-like structure, and upper end is blind end, and lower ending opening, wall thickness are 40mm, and material is high conjunction
Jin Gang, for holding test medium (11), is threadedly secured on base (7)；
Piston head (2) is to be inverted cylinder-like structure, and upper end is blind end, lower ending opening, and wall thickness 10mm, material are high-alloy steel,
For adjusting the volume of test medium (11) in sample 1, it is threadedly secured on piston rod (5)；
Sealing ring group (3) is circular ring structure, for the sealing in gap between piston head (2) and sample cylinder (1), prevents sample from work
Clearance leakage between chock plug (2) and sample cylinder (1)；Sealing ring group (3) material is politef, and sealing ring group (3) kink exists
On piston head (2)；
Sealing adjusting rod (4) is cylindrical structure, and material is high-alloy steel, and wall thickness is 6mm, for adjustment effect in sealing ring group
(3) pressure, it is ensured that the sealing function of sealing ring group (3)；Sealing adjusting rod (4) kink is on piston rod (5)；
Piston rod (5) is cylindrical-shaped structure, and material is No. 45 steel, is connected with piston head (2), constitutes piston；When piston rod (5) to
When upper mobile, piston head (2) is also moved up, for adjusting the volume of test medium (11) in sample 1；Piston rod (5) passes through
It is threadedly secured in gripper shoe (10)；
Adjusting nut (6), is circular ring, and material is No. 45 steel, is connected with sealing adjusting rod (4) by screw thread, for adjusting
Gap between section sealing adjusting rod (4) and hydraulic cylinder (8)；
Base (7) is rectangular structure, and for installing sample cylinder (1), sample cylinder (1) is connected with base (7) by screw thread；Base
(7) positioned at sample cylinder (1), material is No. 45 steel；
Hydraulic cylinder (8) is cylinder-like structure, for adjusting the position of sealing adjusting rod (4), adjusts the sealing of sealing ring group (3)
Energy；Material is high-alloy steel, by being threadably mounted at piston rod (5) bottom；
Hydraulic interface (9) is an interface on hydraulic cylinder (8), using linear sealing structure,
Gripper shoe (10) is rectangular structure, for installing piston rod (5) and being connected with drive system, drives
It is dynamic；Positioned at piston rod bottom, material is No. 45 steel to gripper shoe (10)；
Test medium (11) is the sample of experiment Analysis, is injected by the interface of sample cylinder (1) by pump；
Support shaft (13) is cylindrical-shaped structure, for supporting whole experimental provision, is connected with base (7) by bolt, the other end
It is connected with whole machine frame；The material of support shaft (13) is No. 45 steel；
First O-ring (14), is cirque structure, for the clearance seal between hydraulic cylinder (8) and sealing adjusting rod (4), is prevented
Only clearance leakage of the hydraulic oil in oil cylinder between hydraulic cylinder (8) and sealing adjusting rod (4) is gone out；First O-ring (14)
Material is rubber；
Second O-ring (15), is cirque structure, for sealing the clearance seal between adjusting rod (4) and piston rod (5), is prevented
Only clearance leakage of the hydraulic oil in oil cylinder between piston rod (5) and sealing adjusting rod (4) is gone out；Second O-ring (15)
Material is rubber；
3rd O-ring (16), is cirque structure, for the clearance seal between hydraulic cylinder (8) and piston rod (5), prevents oil
Clearance leakage of the hydraulic oil in cylinder between piston rod (5) and hydraulic cylinder (8) is gone out；The material of the 3rd O-ring (16) is rubber
Glue.
4. sealing structure is adjusted according to the digital hydraulic for high pressure property analyser described in claim 2, its feature exists
In the sample cylinder (1) of high pressure property analyser is threadedly secured on base (7), and the effect of sample cylinder (1) is and piston
Head, black box form a confined space together, for holding test medium (11)；Piston head (2) is by screw thread and piston
Bar (5) is connected, and constitutes piston body.
5. sealing structure is adjusted according to the digital hydraulic described in claim 2, it is characterised in that when gripper shoe (10) is transported up and down
When dynamic, piston body is driven to move up and down, so as to adjust the cavity volume for holding test medium (11)；Sealing ring group (3) and packing ring
(12) it is enclosed within together on piston head, the effect of packing ring (12) is to prevent sealing ring group material material leakage, sealing leak；Sealing adjusting rod
(4) kink is on piston rod (5), for pressure of the adjustment effect in sealing ring group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097309.0A CN106594285B (en) | 2017-02-22 | 2017-02-22 | Digital hydraulic adjusts sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097309.0A CN106594285B (en) | 2017-02-22 | 2017-02-22 | Digital hydraulic adjusts sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594285A true CN106594285A (en) | 2017-04-26 |
| CN106594285B CN106594285B (en) | 2017-12-08 |
Family
ID=58587866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710097309.0A Active CN106594285B (en) | 2017-02-22 | 2017-02-22 | Digital hydraulic adjusts sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594285B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565824A (en) * | 2021-07-05 | 2021-10-29 | 中国石油化工股份有限公司 | Digital hydraulic adjustment piston sealing device for high-pressure three-dimensional model |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56168550A (en) * | 1980-05-31 | 1981-12-24 | Nippon Kokan Kk <Nkk> | Method and appratus for measuring physical properties of sintered ore |
| CN2297001Y (en) * | 1997-05-19 | 1998-11-11 | 刘宝和 | Non-mercury high-pressure physical property analyzer |
| US20040173009A1 (en) * | 2003-03-07 | 2004-09-09 | Nigel Doe | System and method for automatic identification of a detachable component of an instrument |
| CN202360749U (en) * | 2011-11-19 | 2012-08-01 | 刘宝和 | Piston sealing structure of mercury-free high-pressure physical analyzer |
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
-
2017
- 2017-02-22 CN CN201710097309.0A patent/CN106594285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56168550A (en) * | 1980-05-31 | 1981-12-24 | Nippon Kokan Kk <Nkk> | Method and appratus for measuring physical properties of sintered ore |
| CN2297001Y (en) * | 1997-05-19 | 1998-11-11 | 刘宝和 | Non-mercury high-pressure physical property analyzer |
| US20040173009A1 (en) * | 2003-03-07 | 2004-09-09 | Nigel Doe | System and method for automatic identification of a detachable component of an instrument |
| CN202360749U (en) * | 2011-11-19 | 2012-08-01 | 刘宝和 | Piston sealing structure of mercury-free high-pressure physical analyzer |
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565824A (en) * | 2021-07-05 | 2021-10-29 | 中国石油化工股份有限公司 | Digital hydraulic adjustment piston sealing device for high-pressure three-dimensional model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594285B (en) | 2017-12-08 |
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