CN109142106A - A kind of engine cylinder cap experimental rig - Google Patents
A kind of engine cylinder cap experimental rig Download PDFInfo
- Publication number
- CN109142106A CN109142106A CN201810988347.XA CN201810988347A CN109142106A CN 109142106 A CN109142106 A CN 109142106A CN 201810988347 A CN201810988347 A CN 201810988347A CN 109142106 A CN109142106 A CN 109142106A
- Authority
- CN
- China
- Prior art keywords
- oil injector
- injector hole
- diameter
- guide sleeve
- connector
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/027—Specimens with holes or notches
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention provides a kind of engine cylinder cap experimental rig, including load driver, sliding bar, guide sleeve, circular cone, connecting rod and clamp nut；Guide sleeve is fixed on the top of the oil injector hole of cylinder head, and concentric with oil injector hole；Wedge block is located in guide sleeve, and the connector of its lower end is matched by matching piece with oil injector hole；The upper end of connecting rod is penetrated by the lower end of oil injector hole and is screwed into the threaded hole at connector center, and the lower end of the connecting rod is tightened in the lower end of oil injector hole by clamp nut；Sliding bar can be slidably mounted in guide sleeve, and the upper end of the sliding bar is fixedly connected with load driver.Engine cylinder cap experimental rig described in the invention, by the load of load around simulation cylinder cap squirt hole, carry out the performance of tested cylinder lid fatigue failure, test tool is relatively easy, is easily installed, test can carry out on high frequency loading fatigue tester, and the test period is short.
Description
Technical field
The invention belongs to transmitter cylinder head sub-assembly examination technical field, more particularly, to a kind of engine cylinder cap
Experimental rig.
Background technique
There are mainly two types of modes for the component certification test of existing diesel cylinder head: one kind is that Hydraulic fatigue is examined, and is used
Hydraulic fatigue test unit simulation engine air in-cylinder combustion pressure, loads cylinder head；One kind is that thermal shock component is examined
The cooling alternating test of heating, the work of simulated engine is repeated using combustion gas and laser etc., to cylinder head in nuclear test, heating source
Condition variation.The advantages of two kinds of test types is can integrally to examine to cylinder head, and shortcoming is costly, the test period
It is long.
Summary of the invention
In view of this, the invention is directed to a kind of engine cylinder cap experimental rig, pass through simulation cylinder head spray
The load of load around oilhole carrys out the performance of tested cylinder lid fatigue failure, and test tool is relatively easy, is easily installed, test
It can be carried out on high frequency loading fatigue tester, the test period is short.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of engine cylinder cap experimental rig, including load driver, sliding bar, guide sleeve, circular cone, connecting rod and pressure
Tight nut；
The guide sleeve is fixed on the top of the oil injector hole of the cylinder head, and concentric with oil injector hole；
The wedge block includes the scattered power part of cone shape and is fixed on the connector of scattered power part lower end circular cone bottom center,
The circular cone basal diameter for dissipating power part is less than guide sleeve diameter, is greater than oil injector hole diameter, the connector and scattered power part and oil spout
Device hole is concentric, and the lower end of the connector is the matching piece in circular cone shape, and the center of the connector is equipped with threaded hole；
The wedge block is located in the guide sleeve, and the connector of its lower end passes through matching piece and the oil injector hole phase
Cooperation；
The upper end of the connecting rod is penetrated by the lower end of oil injector hole and is screwed into the threaded hole at the connector center, the company
The lower end of extension bar is tightened in the lower end of the oil injector hole by the clamp nut；
The sliding bar can be slidably mounted in the guide sleeve, and the upper end of the sliding bar is fixed with the load driver
Connection.
Further, the engine cylinder cap experimental rig further includes mounting gasket, and the mounting gasket is set in institute
The lower end of connecting rod is stated, and between the clamp nut and cylinder cover.
Further, the upper end diameter of the matching piece is greater than lower end diameter, and the upper end diameter of the matching piece is not less than
The upper-end inner diameter of the oil injector hole, the lower end diameter of the matching piece are less than the upper-end inner diameter of the oil injector hole.
Further, the upper end of the connector is cylindrical supporting element, the upper end of the supporting element and the scattered power
The circular cone bottom center of part is fixedly connected, and lower end is fixedly connected with the upper end of the matching piece.
Further, the outer diameter of the supporting element, matching piece upper end outer diameter and the oil injector hole upper end outer diameter phase
Together.
Compared with the existing technology, engine cylinder cap experimental rig described in the invention has the advantage that
(1) engine cylinder cap experimental rig of the present invention, by simulation cylinder cap squirt hole around load plus
It carries, carrys out the performance of tested cylinder lid fatigue failure, test tool is relatively easy, is easily installed, and test can load fatigue in high frequency
It is carried out on testing machine, the test period is short.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is engine cylinder cap experimental rig structural schematic diagram described in the invention embodiment；
Fig. 2 is wedge block structural schematic diagram described in the invention embodiment.
Description of symbols:
1- load driver；2- sliding bar；3- guide sleeve；4- circular cone；41- dissipates power part；42- connector；421- matching piece；
422- supporting element；423- threaded hole；5- connecting rod；6- clamp nut；7- mounting gasket；8- oil injector hole；9- cylinder head.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
A kind of engine cylinder cap experimental rig, including load driver 1, sliding bar 2, guide sleeve 3, circular cone 4, connecting rod
5 and clamp nut 6；
The guide sleeve 3 is fixed on the top of the oil injector hole 8 of the cylinder head 9, and concentric with oil injector hole 8；
The wedge block 4 includes the scattered power part 41 of cone shape and the company for being fixed on scattered 41 lower end circular cone bottom center of power part
Fitting 42, this dissipate power part 41 circular cone basal diameter be less than 3 diameter of guide sleeve, be greater than 8 diameter of oil injector hole, the connector 42 with
It dissipates power part 41 and oil injector hole 8 is concentric, and the lower end of the connector 42 is the matching piece 421 in circular cone shape, the connection
The center of part 42 is equipped with threaded hole；
The wedge block 4 is located in the guide sleeve 3, and the connector 42 of its lower end passes through matching piece 421 and the spray
Oily device hole 8 matches；
The upper end of the connecting rod 5 is penetrated by the lower end of oil injector hole 8 and is screwed into the threaded hole at 42 center of connector
423, the lower end of the connecting rod 5 is tightened in the lower end of the oil injector hole 8 by the clamp nut 6；
The sliding bar 2 can be slidably mounted in the guide sleeve 3, and the upper end of the sliding bar 2 and the load driver 1
It is fixedly connected.
Further, the engine cylinder cap experimental rig further includes mounting gasket 7, and the mounting gasket 7 is set in
The lower end of the connecting rod 5, and between the clamp nut 6 and cylinder cover 9.
Further, the upper end diameter of the matching piece 421 is greater than lower end diameter, and the upper end diameter of the matching piece 421
Not less than the upper-end inner diameter of the oil injector hole 8, the lower end diameter of the matching piece 421 is less than the upper end of the oil injector hole 8
Internal diameter.
Further, the upper end of the connector 42 be cylindrical supporting element 422, the upper end of the supporting element 422 with
The circular cone bottom center of the scattered power part 41 is fixedly connected, and lower end is fixedly connected with the upper end of the matching piece 421.
Further, the upper end of the outer diameter of the supporting element 422, the upper end outer diameter of matching piece 421 and the oil injector hole 8
Outer diameter is identical.
When load driver 1 pushes sliding bar 2, the slide downward in guide sleeve of sliding bar 2, and guide sleeve 3 is to sliding bar 2
It is limited, the lower end of the sliding bar 2 and the top contact of cone of circular cone 4 simultaneously push, and the lower pressure of sliding bar 2 is through circular cone
Body uniformly diffuses to the contact site of matching piece 421 Yu oil injector hole, realizes to application uniform load around oil injector hole
Experiment facilitates the test of engine cylinder cap, and connecting rod 5 and clamp nut 6 realize the positioning to circular cone 4, prevent from boring
Sidesway occurs for shape block 4.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (5)
1. a kind of engine cylinder cap experimental rig, it is characterised in that: including load driver (1), sliding bar (2), guide sleeve
(3), circular cone (4), connecting rod (5) and clamp nut (6)；
The guide sleeve (3) is fixed on the top of the oil injector hole (8) of the cylinder head (9), and coaxial with oil injector hole (8)
The heart；
The wedge block (4) includes the scattered power part (41) of cone shape and is fixed on scattered power part (41) lower end circular cone bottom center
Connector (42), the circular cone basal diameter for dissipating power part (41) are less than guide sleeve (3) diameter, are greater than oil injector hole (8) diameter, should
Connector (42) and scattered power part (41) and oil injector hole (8) are concentric, and the lower end of the connector (42) is in circular cone shape
Matching piece (421), the center of the connector (42) is equipped with threaded hole；
The wedge block (4) is located in the guide sleeve (3), and the connector (42) of its lower end passes through matching piece (421) and institute
Oil injector hole (8) is stated to match；
The upper end of the connecting rod (5) is penetrated by the lower end of oil injector hole (8) and is screwed into the screw thread at the connector (42) center
Hole (423), the lower end of the connecting rod (5) are tightened in the lower end of the oil injector hole (8) by the clamp nut (6)；
The sliding bar (2) can be slidably mounted in the guide sleeve (3), and the upper end of the sliding bar (2) and the load are driven
Dynamic (1) is fixedly connected.
2. engine cylinder cap experimental rig according to claim 1, it is characterised in that: further include mounting gasket (7), institute
The lower end that mounting gasket (7) is set in the connecting rod (5) is stated, and between the clamp nut (6) and cylinder cover (9).
3. engine cylinder cap experimental rig according to claim 1, it is characterised in that: the matching piece (421) it is upper
Diameter is held to be greater than lower end diameter, and the upper end diameter of the matching piece (421) is not less than the upper-end inner diameter of the oil injector hole (8),
The lower end diameter of the matching piece (421) is less than the upper-end inner diameter of the oil injector hole (8).
4. engine cylinder cap experimental rig according to claim 3, it is characterised in that: the upper end of the connector (42)
For cylindrical supporting element (422), the upper end of the supporting element (422) and the circular cone bottom center of the scattered power part (41) are fixed
Connection, lower end is fixedly connected with the upper end of the matching piece (421).
5. engine cylinder cap experimental rig according to claim 4, it is characterised in that: outside the supporting element (422)
Diameter, the upper end outer diameter of matching piece (421) are identical as the upper end outer diameter of the oil injector hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988347.XA CN109142106B (en) | 2018-08-28 | 2018-08-28 | Engine cylinder head test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988347.XA CN109142106B (en) | 2018-08-28 | 2018-08-28 | Engine cylinder head test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109142106A true CN109142106A (en) | 2019-01-04 |
| CN109142106B CN109142106B (en) | 2020-10-09 |
Family
ID=64828619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810988347.XA Active CN109142106B (en) | 2018-08-28 | 2018-08-28 | Engine cylinder head test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109142106B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10308094A1 (en) * | 2003-02-24 | 2004-09-09 | SINCOTEC Bauteil-Prüftechnik GmbH | Cyclic pressure testing of components, e.g. fuel injector needles, whereby a hydraulic cylinder-piston arrangement is used coupled to a vibrating mass and vibration exciter that are used to create resonant vibration |
| US20060219024A1 (en) * | 2005-03-31 | 2006-10-05 | Denso Corporation | Endurance testing apparatus |
| CN201025148Y (en) * | 2007-03-14 | 2008-02-20 | 中国兵器工业集团第七○研究所 | Diesel cylinder head |
| CN101556202A (en) * | 2008-04-11 | 2009-10-14 | 广西玉柴机器股份有限公司 | Copper bush simulation testing device of oil injector hole of diesel engine cylinder cover and testing method thereof |
| CN201368831Y (en) * | 2009-03-04 | 2009-12-23 | 浙江春晖智能控制股份有限公司 | Simulation test device for shell strength |
| CN103528808A (en) * | 2013-10-25 | 2014-01-22 | 河南科技大学 | Air cylinder sleeve fatigue testing system and testing method based on high-frequency fatigue testing machine |
| CN204177559U (en) * | 2014-09-18 | 2015-02-25 | 浙江万向系统有限公司 | A kind of steering arm bellmouth intensity detecting device |
| CN104458185A (en) * | 2014-12-11 | 2015-03-25 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Friction impact testing device |
| CN107992693A (en) * | 2017-12-08 | 2018-05-04 | 中国北方发动机研究所(天津) | A kind of cylinder head reliable life evaluation method |
-
2018
- 2018-08-28 CN CN201810988347.XA patent/CN109142106B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10308094A1 (en) * | 2003-02-24 | 2004-09-09 | SINCOTEC Bauteil-Prüftechnik GmbH | Cyclic pressure testing of components, e.g. fuel injector needles, whereby a hydraulic cylinder-piston arrangement is used coupled to a vibrating mass and vibration exciter that are used to create resonant vibration |
| US20060219024A1 (en) * | 2005-03-31 | 2006-10-05 | Denso Corporation | Endurance testing apparatus |
| CN201025148Y (en) * | 2007-03-14 | 2008-02-20 | 中国兵器工业集团第七○研究所 | Diesel cylinder head |
| CN101556202A (en) * | 2008-04-11 | 2009-10-14 | 广西玉柴机器股份有限公司 | Copper bush simulation testing device of oil injector hole of diesel engine cylinder cover and testing method thereof |
| CN201368831Y (en) * | 2009-03-04 | 2009-12-23 | 浙江春晖智能控制股份有限公司 | Simulation test device for shell strength |
| CN103528808A (en) * | 2013-10-25 | 2014-01-22 | 河南科技大学 | Air cylinder sleeve fatigue testing system and testing method based on high-frequency fatigue testing machine |
| CN204177559U (en) * | 2014-09-18 | 2015-02-25 | 浙江万向系统有限公司 | A kind of steering arm bellmouth intensity detecting device |
| CN104458185A (en) * | 2014-12-11 | 2015-03-25 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Friction impact testing device |
| CN107992693A (en) * | 2017-12-08 | 2018-05-04 | 中国北方发动机研究所(天津) | A kind of cylinder head reliable life evaluation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109142106B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207894727U (en) | A kind of small sample high-temerature creep experiment clamping device | |
| CN107091629A (en) | Engine valve clearance measuring mechanism and measuring method | |
| CN202177509U (en) | Testing apparatus for testing jetting state of cooling nozzle | |
| CN109142106A (en) | A kind of engine cylinder cap experimental rig | |
| CN103822782A (en) | Connection rod tensile compression simulating fatigue test bench | |
| CN115112512B (en) | A temperature-adjustable piston pin wear and fatigue coupling test device for high-power diesel engines | |
| CN110849600A (en) | Device for carrying out piston pin hole thermal engine fatigue test by using high-frequency testing machine | |
| CN106324453A (en) | Oil gap insulation discharging test platform | |
| CN211235228U (en) | Linear contact friction wear test device | |
| CN206020001U (en) | Sucker rod experiment on fatigue properties fixture | |
| CN108332959A (en) | A kind of high/low temperature sealing test experimental bench | |
| CN109211553A (en) | Piston pin hole fatigue experimental device and method | |
| CN203688163U (en) | Leakage-testing sealing device of engine cylinder cover VVT valve hole | |
| CN208223920U (en) | A kind of fatigue crack prefabrication fixture | |
| CN202710243U (en) | Installation apparatus for cylinder pressure sensor, cylinder cover of engine, and engine | |
| CN208653438U (en) | A kind of engine piston detection device | |
| CN209570336U (en) | HXN5B locomotive fuel injector testing stand fixture | |
| CN215414800U (en) | Device for testing strength of handle of small steel cylinder | |
| CN205280249U (en) | First quiet loading test device is poured into into in portable test of vehicle -mounted | |
| CN203116718U (en) | Measuring tool for high-pressure fuel pipe assembly | |
| CN210821801U (en) | Support device for diesel engine | |
| CN209027776U (en) | A kind of pneumatic tool fatigue test device | |
| CN109932167A (en) | HXN5B locomotive fuel injector testing stand fixture | |
| CN105004528B (en) | A kind of IC engine airframe fatigue simulation loading device | |
| CN215339319U (en) | Real-time high-temperature high-pressure rock triaxial compression test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |