CN102519787A - Simulation cylinder head for pulse test of engine body of engine - Google Patents
Simulation cylinder head for pulse test of engine body of engine Download PDFInfo
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- CN102519787A CN102519787A CN201210009873XA CN201210009873A CN102519787A CN 102519787 A CN102519787 A CN 102519787A CN 201210009873X A CN201210009873X A CN 201210009873XA CN 201210009873 A CN201210009873 A CN 201210009873A CN 102519787 A CN102519787 A CN 102519787A
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- cylinder cap
- block
- cylinder
- cylinder head
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Abstract
The invention discloses a simulation cylinder head for a pulse test of an engine body of an engine. The simulation cylinder head disclosed by the invention comprises a cylinder head main body and at least one embedded block body for being inserted into a cylinder sleeve, wherein all the embedded block bodies are fixed on the side surface of one plane of the cylinder head main body, hydraulic oil loading holes for penetrating the embedded block bodies and the cylinder head main body are arranged on the embedded block bodies and the cylinder head main body, sealing ring grooves for mounting sealing rings are arranged on the surfaces of the embedded block bodies, which are used for being in contact with the cylinder sleeve, and a connecting structure for connecting with the engine body is arranged on the cylinder head main body. When the simulation cylinder head is used for testing, high-pressure oil is arranged in the cylinder sleeve, the embedded block bodies are in first-stage sealing with the cylinder sleeve, and the cylinder head main body is in second-stage sealing with the cylinder sleeve; and when the high-pressure oil is leaked out of the position between the embedded block bodies and the cylinder sleeve, the oil pressure after outward leakage is bound to be reduced to the lowest level, the sealing between the cylinder head main body and the cylinder sleeve is very difficult to break through, the sealing effect is good, and the leakage of the loaded high-pressure oil can be prevented.
Description
Technical field
The present invention relates to a kind of engine body pulse testing with the simulation cylinder cap.
Technical background
The engine body pulse testing is to be used for machines body fluid to press fatigue strength, in the test, adopts cylinder cap, piston, connecting rod and the bent axle (d-axis) of simulation and cylinder sleeve, body, crankcase to assemble.Cylinder sleeve is arranged in the body, and cylinder cap is connected fixing with body, adds the sealing gasket sealing between cylinder cap and the cylinder sleeve.Body hydraulic impulse testing equipment is exactly a kind of test facilities of intensity of direct examination engine body; It does not need the actual ignition of engine to move to produce on-load pressure; The general hydraulic oil that adopts withstand voltage Wear-resistant, high-temperature resistant of pressure-loaded medium; Hydraulic oil through high pressure is carried on the simulation piston rod, and on-load pressure is delivered on the crankcase.
In the organism fatigue test; On-load pressure is 2 times a real engine explosion pressure; Therefore for the hydraulic oil that is loaded into top land; In long test period and bigger test frequency, for guaranteeing to be loaded into pressure stability and the consistance on the body, sealing problem becomes in the organism fatigue test inevitable and be key point more rambunctious.In case because hydraulic oil is revealed in process of the test, not only can not guarantee finally to be loaded into the pressure size on the body, also can cause corresponding danger for testing equipment itself.
The main faying face of sealing control to hydraulic oil at cylinder cap and body; The cylinder cap of simulating is taked in body test; Guarantee the reliability of parts and the simplification of processing; The simulation cylinder cap is in the Design and Machining process, and the sealing on plane on plane even the cylinder sleeve guarantees under the high pressure of 50MPa, can not reveal on necessary consideration and the body.Because in-cylinder pressure is too high, the primary sealing area of cylinder body, cylinder cap and cylinder pad can not satisfy so high pressure requirement.
Summary of the invention
The technical matters that the present invention will solve is: provide a kind of engine body pulse testing better and liner packing to use the simulation cylinder cap, made it can prevent the hydraulic oil leakage that loads.
In order to solve the problems of the technologies described above; The present invention includes the cylinder cap main body and be used to insert the block of inlaying of cylinder sleeve with at least one; All are inlayed block and all are fixed on the planar side of cylinder cap main body; Inlay block and cylinder cap main body and be provided with the hydraulic oil loading hole that block and cylinder cap main body are inlayed in perforation, inlay the face that is used for contacting with cylinder sleeve on the block and be provided with the closure gasket groove that is used to install O-ring seal, the cylinder cap main body is provided with the syndeton that is used to connect body.
In order to make the cylinder cap main body and to inlay block fixing reliable, described cylinder cap main body with inlay block and be connected, cylinder cap main body and inlay and be provided with register pin between the block through bolt.
Described inlaying between block and the cylinder cap main body is provided with O-ring seal, and O-ring seal is arranged in to inlay and centers on the sealing counterbore that hydraulic oil loads the hole on the block.
In order to be suitable for and the body of existing commonly used engine and the installation of cylinder sleeve, described cylinder cap main body is the rectangle plate body, and inlaying block is right cylinder.
The invention has the beneficial effects as follows: the present invention at the trial, hydraulic oil is inlayed between block and the cylinder sleeve and to be primary seal in cylinder sleeve; It between cylinder cap main body and the cylinder sleeve secondary seal; When hydraulic oil from inlay release between block and the cylinder sleeve after, the oil pressure after releasing must drop to very low, be difficult to break through the sealing between cylinder cap main body and the cylinder sleeve; Good sealing effect can prevent the hydraulic oil leakage that loads.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of part 1 among Fig. 1;
Fig. 3 is the structural representation of part 2 among Fig. 1;
Wherein: 1, cylinder cap main body, 2, inlay block, 3, bolt hole, 4, bolt, 5, hydraulic oil loads the hole, 6, dowel hole, 7, threaded hole, 8, the sealing counterbore, 9, dowel hole, 10, bolt hole, 11, closure gasket groove.
Embodiment
With the simulation cylinder cap, what comprise that cylinder cap main body 1 and two are used to insert cylinder sleeve inlays block 2 like the described engine body pulse testing of Fig. 1.
Be the rectangle plate body like Fig. 2 cylinder cap main body 1, as shown in Figure 3, inlay block 2 and be right cylinder.
Inlay on the flat bottom that block 2 all is fixed on cylinder cap main body 1 for two; Inlay block 2 and be provided with the hydraulic oil loading hole 5 that block 2 and cylinder cap main body 1 are inlayed in perforation with cylinder cap main body 1; An end of inlaying hydraulic oil loading hole 5 contiguous cylinder cap main bodys 1 on the block 2 is provided with sealing counterbore 8; Be provided with O-ring seal in the sealing counterbore 8, the face of cylinder of inlaying block 2 is provided with the closure gasket groove 11 that is used to install O-ring seal.
Cylinder cap main body 1 with inlay block 2 and be connected through bolt 4; Inlay block 2 and be provided with bolt hole 10, cylinder cap main body 1 is provided with threaded hole 7, and bolt 4 passes bolt hole 10 and is connected with threaded hole 7; Cylinder cap main body 1 and inlay between the block 2 and be provided with register pin; Cylinder cap main body 1 is provided with dowel hole 6, inlays block 2 and is provided with dowel hole 9, and register pin is inserted in dowel hole 6 and dowel hole 9.
Cylinder cap main body 1 is provided with the bolt hole 3 that is used to connect body.
Method of application: before the test; All put O-ring seal at two closure gasket grooves 11 of inlaying block 2, inlay block 2 with two and respectively insert in the cylinder sleeve, make and inlay block 2 and be connected with liner packing; Again cylinder cap main body 1 is pressed on cylinder sleeve and the body; Cylinder cap main body 1 is connected with the body bolt, can makes an experiment, once can detect two cylinder bodies.
Claims (4)
1. an engine body pulse testing is with the simulation cylinder cap; It is characterized in that: comprise that cylinder cap main body and at least one are used to insert the block of inlaying of cylinder sleeve; All are inlayed block and all are fixed on the planar side of cylinder cap main body; Inlay block and cylinder cap main body and be provided with the hydraulic oil loading hole that block and cylinder cap main body are inlayed in perforation, inlay the face that is used for contacting with cylinder sleeve on the block and be provided with the closure gasket groove that is used to install O-ring seal, the cylinder cap main body is provided with the syndeton that is used to connect body.
2. engine body pulse testing according to claim 1 is characterized in that with the simulation cylinder cap: described cylinder cap main body with inlay block and be connected, cylinder cap main body and inlay and be provided with register pin between the block through bolt.
3. engine body pulse testing according to claim 1 is with the simulation cylinder cap, and it is characterized in that: described inlaying between block and the cylinder cap main body is provided with O-ring seal, and O-ring seal is arranged in to inlay and centers on the sealing counterbore that hydraulic oil loads the hole on the block.
4. use the simulation cylinder cap according to claim 1,2 or 3 described engine body pulse testings, it is characterized in that: described cylinder cap main body is the rectangle plate body, and inlaying block is right cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009873XA CN102519787A (en) | 2012-01-13 | 2012-01-13 | Simulation cylinder head for pulse test of engine body of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009873XA CN102519787A (en) | 2012-01-13 | 2012-01-13 | Simulation cylinder head for pulse test of engine body of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102519787A true CN102519787A (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210009873XA Pending CN102519787A (en) | 2012-01-13 | 2012-01-13 | Simulation cylinder head for pulse test of engine body of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102519787A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759926A (en) * | 2013-12-12 | 2014-04-30 | 中国北方发动机研究所(天津) | Cylinder sleeve fatigue test device |
| CN105021378A (en) * | 2014-04-21 | 2015-11-04 | 上海汽车集团股份有限公司 | Test device for press filter cover pressure pulse test |
| CN106862965A (en) * | 2017-04-28 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of frock for processing engine cylinder block bore |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450800A (en) * | 1980-12-13 | 1984-05-29 | Klockner-Humboldt-Deutz Ag | Light metal cylinder head for internal combustion engine |
| CN2731436Y (en) * | 2004-10-21 | 2005-10-05 | 上海交通大学 | Fatigue tester for bush of engine |
| US20090100938A1 (en) * | 2006-02-09 | 2009-04-23 | Anders Jonsson | Engine block durability test |
| CN202056433U (en) * | 2011-03-11 | 2011-11-30 | 常州腾龙精密铝业有限公司 | Sealing structure of bursting test |
| CN202471502U (en) * | 2012-01-13 | 2012-10-03 | 中国重汽集团济南动力有限公司 | Simulated cylinder cover for testing pulse of engine body |
-
2012
- 2012-01-13 CN CN201210009873XA patent/CN102519787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450800A (en) * | 1980-12-13 | 1984-05-29 | Klockner-Humboldt-Deutz Ag | Light metal cylinder head for internal combustion engine |
| CN2731436Y (en) * | 2004-10-21 | 2005-10-05 | 上海交通大学 | Fatigue tester for bush of engine |
| US20090100938A1 (en) * | 2006-02-09 | 2009-04-23 | Anders Jonsson | Engine block durability test |
| CN202056433U (en) * | 2011-03-11 | 2011-11-30 | 常州腾龙精密铝业有限公司 | Sealing structure of bursting test |
| CN202471502U (en) * | 2012-01-13 | 2012-10-03 | 中国重汽集团济南动力有限公司 | Simulated cylinder cover for testing pulse of engine body |
Non-Patent Citations (1)
| Title |
|---|
| 魏和平: "气缸盖上镶块", 《车用发动机》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759926A (en) * | 2013-12-12 | 2014-04-30 | 中国北方发动机研究所(天津) | Cylinder sleeve fatigue test device |
| CN103759926B (en) * | 2013-12-12 | 2016-04-27 | 中国北方发动机研究所(天津) | Cylinder sleeve fatigue test device |
| CN105021378A (en) * | 2014-04-21 | 2015-11-04 | 上海汽车集团股份有限公司 | Test device for press filter cover pressure pulse test |
| CN106862965A (en) * | 2017-04-28 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of frock for processing engine cylinder block bore |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |