CN105485342A - Dual-layer compound seal blocking mechanism - Google Patents
Dual-layer compound seal blocking mechanism Download PDFInfo
- Publication number
- CN105485342A CN105485342A CN201610024462.6A CN201610024462A CN105485342A CN 105485342 A CN105485342 A CN 105485342A CN 201610024462 A CN201610024462 A CN 201610024462A CN 105485342 A CN105485342 A CN 105485342A
- Authority
- CN
- China
- Prior art keywords
- shutoff dish
- blocking mechanism
- layer compound
- telophragma
- blocking
- 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.)
- Granted
Links
Classifications
-
- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to the technical field of gearbox housing seal tests, and relates to a dual-layer compound seal blocking mechanism. The blocking mechanism is arranged in a blocking hole and specifically comprises a clamping oil cylinder component, a blocking plate, an upper blocking disc, a lower blocking disc and a middle disc. The clamping oil cylinder component and the upper blocking disc are fixedly connected, and the blocking plate is arranged between the clamping oil cylinder component and the upper blocking disc. The upper blocking disc, the lower blocking disc and the middle disc are in interference fit and are provided with seal rings and elastically connected. During clamping, automatic sealing of the blocking hole can be achieved by means of pushing of an oil cylinder and compressing of the seal rings, automatic reset can be achieved through a balance spring during releasing, cost is reduced, and the flexibility of a machine tool is improved.
Description
Technical field
What the present invention relates to is a kind of technology of case of transmission sealing test field, specifically a kind of two-layer compound sealing blocking mechanism.
Background technique
In gear box casing air-leakage test, all end face seal is adopted for the hole on housing.For the hole of more than diameter 300mm, or when the inner side surface in hole has a perforate, adopt end face seal technology cannot meet the requirement of air-leakage test.Therefore must design the simple plugging mechanism of a kind of structure, make it can either meet the requirement of sealing, be easy to again safeguard and change Sealing.
Through finding the retrieval of prior art, Chinese patent literature CN103759006A, open (bulletin) day 2014.04.30, disclose the interior swollen blocking device of a kind of camshaft hole, include pull bar, rear end inner sleeve, inner sleeve, front end inner sleeve, overcoat, seal ring, pin, handle and spring; One end of described pull bar is provided with the boss structure of enlarged outside diameter, and the other end is flexibly connected with handle by pin; The position of described handle and pull bar joint is cam structure; Described pull bar precedence is through rear end inner sleeve, seal ring, overcoat, inner sleeve and front end inner sleeve.But when this technology carries out shutoff, needs are first manual is placed in mechanism in required plugging hole, then move the recovery drive spring contraction of handle strip moving cam by pull bar, seal ring swelling is to realize sealing action; Shutoff process need is divided into two steps, palpus manual hand manipulation, and block-up position also by manual confirmation, cannot fast automaticly must be located.
Through finding the retrieval of prior art, Chinese patent literature CN204175956U, open (bulletin) day 2015.02.25, disclose a kind of internal-expansion type machine plugging mechanism, utilizing cylinder directly to promote plugging mechanism is placed in required plugging hole, withstand on required plugging hole end face by setting sleeve to maintain static, continue pushing drawing rod Compress Spring then, seal ring swelling is to realize sealing action, the aperture of this device shutoff is less general at below 20mm, and can not seal multilayer shell position simultaneously.
Summary of the invention
The present invention is directed to prior art above shortcomings, propose a kind of two-layer compound sealing blocking mechanism, the automatic plugging of case of transmission can be realized.
The present invention is achieved by the following technical solutions,
Plugging mechanism of the present invention is arranged in plugging hole, specifically comprise: clamping cylinder parts, plugging plate, upper shutoff dish, lower shutoff dish and telophragma, wherein: clamping cylinder parts are fixedly connected with upper shutoff dish, plugging plate is arranged between clamping cylinder parts and upper shutoff dish;
Described cylinder part comprises: the oil cylinder, cylinder pedestal and the land that are connected successively, wherein: oil cylinder to be arranged on cylinder pedestal and to be fixedly connected with by screw thread with land, and land is fixedly connected with upper shutoff dish by thread.
Described upper shutoff dish, lower shutoff dish are connected with elasticity between telophragma, and and are Spielpassung between telophragma and are provided with seal ring.
Technique effect
Compared with prior art, plugging mechanism is directly placed in plugging hole by the present invention, utilizes oil cylinder pushing, compresses seal to realize sealing action.During clamping, only need move downward and automatically can guarantee plugging effect by oil cylinder, automatically reset by balance spring when loosening, thus reduce costs in equipment de-sign manufacture and the maintenance in later stage, also make lathe have larger transformation space, flexibility degree improves greatly simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is I place enlarged view in Fig. 1;
Fig. 3 is the structural representation of upper shutoff dish, and wherein: (a) is plan view, (b) is A-A direction view;
Fig. 4 is the structural representation of telophragma;
Fig. 5 is the structural representation of lower shutoff dish;
In figure: housing 1, lower shutoff dish 2, contour screw 3, seal ring 4, balance spring 5, linear bearing 6, telophragma 7, upper shutoff dish 8, plugging plate 9, support 10, land 11, cylinder pedestal 12, oil cylinder 13, setting sleeve 14, thread 15, locating stud 16, input shaft bore 17, plugging hole 18.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises: clamping cylinder parts, plugging plate 9, upper shutoff dish 8, lower shutoff dish 2 and telophragma 7, wherein: clamping cylinder parts are fixedly connected with upper shutoff dish 8, plugging plate 9 is arranged between clamping cylinder parts and upper shutoff dish 8;
Described upper shutoff dish 8, lower shutoff dish 2 are connected by balance spring 5 elasticity with between telophragma 7, and and be Spielpassung between telophragma 7 and be provided with seal ring 4, formed with housing 1 inwall after upper and lower two seal rings 4 compress swelling and test water tank area.
Described clamping cylinder parts comprise: the oil cylinder 13, cylinder pedestal 12 and the land 11 that are connected successively, wherein: oil cylinder 13 to be arranged on cylinder pedestal 12 and to be fixedly connected with by screw thread with land 11, and land 11 is fixedly connected with upper shutoff dish 8 by thread 15; Drive when oil cylinder 13 moves up and down land 11 to move, thus shutoff dish 8 also can be moved up and down.
As shown in Figure 1 and Figure 5, described lower shutoff dish 2 is connected by contour screw 3 with plugging plate 9, regulates contour screw 3 can control the general construction height of shutoff, the distance between ensureing bottom plugging plate 9 to housing 1.
As shown in figures 1 and 3, described upper shutoff dish 8, lower shutoff dish 2 and telophragma about 7 correspondence are provided with linear bearing 6, and contour screw 3 is arranged in linear axis bearing bore and connects upper shutoff dish 8, telophragma 7, lower shutoff dish 2 and plugging plate 9.
As shown in Figure 2 and Figure 4, Spielpassung is between described telophragma 7 and upper shutoff dish 8, lower shutoff dish 2, leave the compression volume of 2mm, this compression volume directly determines the compression spacing of upper and lower two-layer seal ring 4, the sealing of relation major diameter plugging hole 18, can leave enough gaps simultaneously and make plugging mechanism free in and out plugging hole 18 when loosening.
Described land 11, between upper shutoff dish 8 and plugging plate 9, all leave the compression volume of 5mm.
Described contour screw 3 and linear bearing 6 circumference uniform, quantity be all preferably 6; Described balance spring 5 circumference on upper shutoff dish 8 and lower shutoff dish 2 is uniform, quantity is preferably each 6 up and down, all act on telophragma 7 during compression, make the relative telophragma 7 of shutoff dish 8, lower shutoff dish 2 keep spacing when loosening, seal ring 4 can be loosened.
Described contour screw 3 height error is less than 0.01mm, ensures total height dimension and sealing station accuracy.
Described clamping cylinder parts are also provided with support 10, are located between support 10 and plugging plate 9 by locating stud 16; Described support 10 is weldments, connect the clamping cylinder parts at top and the setting sleeve 14 of bottom, described setting sleeve 14 is arranged at lower shutoff dish 2, telophragma 7, upper shutoff dish 8, plugging plate 9 center, is used for locating the input shaft bore 17 that also shutoff housing 1 is middle, to improve shutoff efficiency; Seal input shaft bore 17 if do not consider, setting sleeve 14 part corresponding to lower shutoff dish 2, telophragma 7, upper shutoff dish 8, plugging plate 9 center all should be designed to solid construction.
In use, plugging plate 9 is fixed on plugging hole 18 upper-end surface to apparatus of the present invention, and controls total plugging structure height by contour screw 3; Oil cylinder 13 promotes land 11 near plugging hole 18, is successively compressed, realized the double-layer seal to plugging hole 18 by two-layer seal ring 4 swelling compressed at lower shutoff dish 2 and telophragma 7, two-layer seal ring 4 between telophragma 7 and upper shutoff dish 8; Air-leakage test terminates, and oil cylinder 13 loosens, and balance spring 5 automatically resets, and band dynamic seal ring 4, away from plugging hole 18, makes seal ring 4 reply nature.
This device can be located rapidly automatically, and drive the quick-sealing of clamping cylinder realization to housing die cavity by program control solenoid valve during sealing, the time is less than 3 seconds; Overall height dimension, according to the position of plugging hole 18 on housing 1, controls to 69.75mm by 6 contour screws 3; 20% is less than by the sealing stability of apparatus measures and the fluctuation of reliability after Work piece sealing; Workpiece leakage rate is less than the 10cc/min2Bar that technical requirements specifies.
Claims (7)
1. a two-layer compound sealing blocking mechanism, it is characterized in that, this plugging mechanism is arranged in plugging hole, specifically comprise: clamping cylinder parts, plugging plate, upper shutoff dish, lower shutoff dish and telophragma, wherein: clamping cylinder parts are fixedly connected with upper shutoff dish, plugging plate is arranged between clamping cylinder parts and upper shutoff dish;
Described clamping cylinder parts comprise: the oil cylinder, cylinder pedestal and the land that are connected successively, wherein: oil cylinder to be arranged on cylinder pedestal and to be fixedly connected with land, and land is fixedly connected with upper shutoff dish by thread;
Described upper shutoff dish, lower shutoff dish are connected with elasticity between telophragma, and and are Spielpassung between telophragma and are provided with seal ring.
2. two-layer compound sealing blocking mechanism according to claim 1, it is characterized in that, described Spielpassung refers to: the compression volume leaving 2mm.
3. two-layer compound sealing blocking mechanism according to claim 1, is characterized in that, described upper shutoff dish, is equipped with the uniform balance spring of circumference between lower shutoff dish and telophragma.
4. two-layer compound sealing blocking mechanism according to claim 1, is characterized in that, described upper shutoff dish, lower shutoff dish and the upper and lower correspondence of telophragma are provided with the uniform linear bearing of circumference.
5. the two-layer compound sealing blocking mechanism according to claim 1 or 4, is characterized in that, described lower shutoff dish is connected by the contour screw be arranged in linear axis bearing bore with plugging plate.
6. two-layer compound sealing blocking mechanism according to claim 1, is characterized in that, described clamping cylinder parts are provided with support, and support and plugging plate are located by locating stud and be fixedly connected with, and support is fixedly connected with by screw with setting sleeve.
7. two-layer compound sealing blocking mechanism according to claim 1, is characterized in that, described upper shutoff dish, all leaves the compression volume of 5mm between land and plugging plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024462.6A CN105485342B (en) | 2016-01-15 | 2016-01-15 | Two-layer compound sealing blocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024462.6A CN105485342B (en) | 2016-01-15 | 2016-01-15 | Two-layer compound sealing blocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485342A true CN105485342A (en) | 2016-04-13 |
| CN105485342B CN105485342B (en) | 2017-08-08 |
Family
ID=55672520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610024462.6A Active CN105485342B (en) | 2016-01-15 | 2016-01-15 | Two-layer compound sealing blocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485342B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370358A (en) * | 2016-12-02 | 2017-02-01 | 钦州学院 | Part for plugging bottom draining screw plug and using method applied to sealing test of liquid tank |
| CN111735631A (en) * | 2020-07-31 | 2020-10-02 | 蓝箭航天空间科技股份有限公司 | Sealing device for spacecraft engine thrust chamber test |
| CN114135345A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | End cap device for turbine hole detection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580430Y (en) * | 2002-11-21 | 2003-10-15 | 高凌 | Automatic automatic gearbox detection machine |
| CN101876578B (en) * | 2009-04-28 | 2011-08-10 | 沈阳新松机器人自动化股份有限公司 | Sealing structure of automatic transmission clutch shell sealing tester |
| CN203148631U (en) * | 2013-03-15 | 2013-08-21 | 南京斯凯汽车设备制造有限责任公司 | Double O-shaped ring rapid plugging head |
| CN203443738U (en) * | 2013-08-19 | 2014-02-19 | 湛江德利化油器有限公司 | Vehicle gear box shell sealing experimental device |
| JP5673093B2 (en) * | 2010-12-28 | 2015-02-18 | トヨタ自動車株式会社 | Leak inspection apparatus and leak inspection method |
| CN103528761B (en) * | 2013-10-24 | 2015-07-08 | 安徽江淮汽车股份有限公司 | Internal expansion block sealing device for hole |
| CN103759006B (en) * | 2014-01-27 | 2015-09-16 | 安徽江淮汽车股份有限公司 | The interior swollen blocking device of a kind of camshaft hole |
-
2016
- 2016-01-15 CN CN201610024462.6A patent/CN105485342B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580430Y (en) * | 2002-11-21 | 2003-10-15 | 高凌 | Automatic automatic gearbox detection machine |
| CN101876578B (en) * | 2009-04-28 | 2011-08-10 | 沈阳新松机器人自动化股份有限公司 | Sealing structure of automatic transmission clutch shell sealing tester |
| JP5673093B2 (en) * | 2010-12-28 | 2015-02-18 | トヨタ自動車株式会社 | Leak inspection apparatus and leak inspection method |
| CN203148631U (en) * | 2013-03-15 | 2013-08-21 | 南京斯凯汽车设备制造有限责任公司 | Double O-shaped ring rapid plugging head |
| CN203443738U (en) * | 2013-08-19 | 2014-02-19 | 湛江德利化油器有限公司 | Vehicle gear box shell sealing experimental device |
| CN103528761B (en) * | 2013-10-24 | 2015-07-08 | 安徽江淮汽车股份有限公司 | Internal expansion block sealing device for hole |
| CN103759006B (en) * | 2014-01-27 | 2015-09-16 | 安徽江淮汽车股份有限公司 | The interior swollen blocking device of a kind of camshaft hole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370358A (en) * | 2016-12-02 | 2017-02-01 | 钦州学院 | Part for plugging bottom draining screw plug and using method applied to sealing test of liquid tank |
| CN111735631A (en) * | 2020-07-31 | 2020-10-02 | 蓝箭航天空间科技股份有限公司 | Sealing device for spacecraft engine thrust chamber test |
| CN114135345A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | End cap device for turbine hole detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105485342B (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208600552U (en) | A kind of multi-station rotary-disk automatic punching device | |
| CN105485342A (en) | Dual-layer compound seal blocking mechanism | |
| CN202263816U (en) | Numerical control turret punch press | |
| CN110711992A (en) | Pneumatic assembly welding tool for connecting flanges and using method | |
| CN103252375B (en) | Fixing device for extrusion rod of extruding machine | |
| CN202607153U (en) | Welding tool for valve rod of ball valve | |
| CN209036155U (en) | A kind of mechanical seal dynamic and static ring arrangement for grinding | |
| CN203426241U (en) | Coreless punching equipment | |
| CN215280729U (en) | Retaining ring press fitting tool and press fitting machine | |
| CN205371618U (en) | Double -deck compound seal shutoff mechanism | |
| CN205350342U (en) | Multicavity room compound seal shutoff mechanism | |
| CN206690002U (en) | Load the tool of workpiece jack for tiltedly circle or wound spring | |
| CN110924750A (en) | Steel ball assembling device and method for blade padlock | |
| CN103894812B (en) | Medical pair of standpipe lid fixing device | |
| CN114413014B (en) | Sand control structure superhigh pressure fracturing valve | |
| CN106269340B (en) | The automatic oiling assembling equipment of electric motor end cap red steel piece | |
| CN106238245B (en) | Motor red steel piece kludge | |
| CN206084315U (en) | Use pressure equipment big valve gap to sheathed tube assembly devices of valve base as benchmark | |
| CN113236179A (en) | Casing float collar for oil field well cementation construction | |
| CN208853528U (en) | A kind of fixed device of hydraulic opener | |
| CN207071868U (en) | A kind of press-and-turn type pressure head | |
| CN203738274U (en) | Welding tool for pressure tapping | |
| CN207606538U (en) | A kind of balanced type hydraulic floating supporting mechanism | |
| CN212760964U (en) | Refrigerator compressor valve plate assembly riveting and positioning device | |
| CN208872563U (en) | Sampling plug may be selected |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |