CN112432773A - A cylinder liner simulation frock for cylinder head air flue is experimental - Google Patents
A cylinder liner simulation frock for cylinder head air flue is experimental Download PDFInfo
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- CN112432773A CN112432773A CN202011180921.2A CN202011180921A CN112432773A CN 112432773 A CN112432773 A CN 112432773A CN 202011180921 A CN202011180921 A CN 202011180921A CN 112432773 A CN112432773 A CN 112432773A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The application discloses a cylinder liner simulation frock for cylinder head air flue is experimental for the cylinder head is higher than the air flue test bench, when peripheral parts such as cylinder head installation intake pipe, blast pipe carry out the air flue experiment, does not influence its original test capability. The application includes: the device comprises a sleeve, a sealing ring mounting groove, an upper flange, a lower flange and a pneumatic pressure measuring point mounting hole; the sealing ring mounting groove is positioned on the end surface of the top of the sleeve; the upper flange and the lower flange are both positioned on the outer side wall of the sleeve; the lower flange is positioned below the upper flange; the air pressure measuring point mounting hole is formed in the outer side wall of the sleeve between the upper flange and the lower flange.
Description
Technical Field
The embodiment of the application relates to the field of engines, in particular to a cylinder sleeve simulation tool for an air passage test of a cylinder cover.
Background
In the engine research and development process, when a cylinder cover is designed and manufactured, a large number of air passage performance tests and structure optimization adjustment work need to be carried out on an air passage test bed, however, the main body of the air passage test bed commonly used at present is a table top similar to a table, and when the air passage performance needs to be tested, the cylinder cover is directly flatly placed on the table top, so that the cylinder cover is tightly combined with the table top.
The existing testing mode can only test the air passage state of a single air cylinder cover, but peripheral devices such as an air inlet pipe and an exhaust pipe cannot be installed to study the influence of the structure on the air passage performance, and after peripheral parts of an engine are added, the air cylinder cover cannot be flatly placed on an air passage testing stand, so that related testing work cannot be carried out.
Disclosure of Invention
The embodiment of the application provides a cylinder liner simulation tool for cylinder head air flue test for the cylinder head is higher than the air flue test bench, when peripheral parts such as air inlet pipe, blast pipe are installed to the cylinder head and the air flue test is carried out, does not influence its original test capability.
The embodiment of the application provides a cylinder liner simulation frock for cylinder head air flue is experimental, includes:
the device comprises a sleeve, a sealing ring mounting groove, an upper flange, a lower flange and a pneumatic pressure measuring point mounting hole;
the sealing ring mounting groove is positioned on the end surface of the top of the sleeve;
the upper flange and the lower flange are both positioned on the outer side wall of the sleeve;
the lower flange is positioned below the upper flange;
the air pressure measuring point mounting hole is formed in the outer side wall of the sleeve between the upper flange and the lower flange.
Optionally, the inner side wall of the sleeve is smooth, the outer side wall is stepped, the outer side wall of the sleeve comprises a first straight line section outer wall and a second straight line section outer wall which are sequentially distributed from top to bottom, and the diameter of the first straight line section outer wall is larger than that of the second straight line section outer wall.
Optionally, the upper flange is located on the outer wall of the first straight line segment and used for fixing and positioning the air flue test bed.
Optionally, the upper flange is annular, the diameter of an inner ring of the upper flange is equal to the diameter of the outer wall of the first straight line section, and the diameter of an outer ring of the upper flange is larger than the diameter of the inner ring by a certain width.
Optionally, a convex ring is arranged on the outer wall of the first straight line segment, and the convex ring is used for supporting the upper flange, so that the upper flange is clamped on the outer wall of the first straight line segment.
Optionally, two screw holes with symmetrical positions are arranged on the end face of the upper flange, and the screw holes are used for installing lifting lugs and hoisting the cylinder sleeve simulation tool.
Optionally, the lower flange is located on the outer wall of the second straight-line section and used for positioning the air flue test bed.
Optionally, the inner side wall of the lower flange is smooth, the diameter of the inner side wall is equal to the diameter of the outer wall of the second straight-line section, the outer side wall of the lower flange is in a step shape and comprises a first lower flange ring and a second lower flange ring which are sequentially distributed from top to bottom, and the diameter of the outer ring of the first lower flange ring is larger than that of the outer ring of the second lower flange ring.
Optionally, the air pressure measuring point mounting hole is located on the outer wall of the first straight line segment and used for measuring the pressure difference in the cylinder sleeve simulation tool.
Optionally, the cross section of the sealing ring mounting groove is U-shaped and used for arranging a sealing ring.
According to the technical scheme, the embodiment of the application has the following advantages:
in this application, through designing one and including the sleeve and be located the cylinder cap simulation frock of upper flange, lower flange and atmospheric pressure measurement station mounting hole on this sleeve lateral wall and come to seal through the action of gravity of sealing washer and cylinder cap with air flue test bench and cylinder cap respectively for the cylinder cap is higher than the air flue test bench, when peripheral parts such as cylinder cap installation intake pipe, blast pipe carry out the air flue experiment, does not influence its original test capability.
Drawings
FIG. 1 is a schematic structural diagram of a front cross-sectional view of a cylinder sleeve simulation tool for an air passage test of a cylinder cover in an embodiment of the application;
FIG. 2 is a schematic top structural view of a cylinder sleeve simulation tool for a cylinder head air passage test according to an embodiment of the application;
FIG. 3 is a schematic front view of a sleeve according to an embodiment of the present disclosure;
FIG. 4 is a schematic three-dimensional structure diagram of a cylinder sleeve simulation tool for a cylinder cover air flue test in the embodiment of the application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a cylinder liner simulation tool for cylinder head air flue test for the cylinder head is higher than the air flue test bench, when peripheral parts such as air inlet pipe, blast pipe are installed to the cylinder head and the air flue test is carried out, does not influence its original test capability.
It should be noted that, the following positional relationship of each component described with respect to the embodiment of the cylinder liner simulation tool for the cylinder head air passage test is based on fig. 1, and fig. 1 is a front view.
Referring to fig. 1 and 2, an embodiment of a cylinder liner simulation tool for a cylinder head air passage test according to the embodiment of the present application includes:
the device comprises a sleeve 1, a sealing ring mounting groove 2, an upper flange 3, a lower flange 4 and an air pressure measuring point mounting hole 5;
the sealing ring mounting groove 2 is positioned on the end surface of the top of the sleeve 1;
the upper flange 3 and the lower flange 4 are both positioned on the outer side wall of the sleeve;
the lower flange 4 is positioned below the upper flange 3;
the air pressure measuring point mounting hole 5 is positioned on the outer side wall of the sleeve 1 between the upper flange 3 and the lower flange 4.
In the embodiment of the application, the top of the cylinder sleeve simulation tool is in contact with the cylinder cover and is sealed by a common 0-type sealing ring; the bottom is sealed with the air passage test bed through the gravity action of the cylinder cover and is matched with the air passage test bed for use. When tests such as an external air inlet pipe and an exhaust pipe are carried out, the cylinder sleeve simulation tool is installed on the air passage test bed and protrudes out of the air passage test bed for a certain distance, and the cylinder cover is installed on a special tool and is matched with the cylinder sleeve simulation tool for use.
In the embodiment of the application, a cylinder cover simulation tool comprising a sleeve 1, an upper flange 3, a lower flange 4 and an air pressure measuring point mounting hole 5 which are positioned on the outer side wall of the sleeve is designed to be respectively sealed with an air passage test bed and a cylinder cover through the gravity action of a sealing ring and the cylinder cover, so that the cylinder cover is higher than the air passage test bed, and when peripheral components such as an air inlet pipe and an exhaust pipe are installed on the cylinder cover to perform air passage tests, the original testing capability of the cylinder cover is not influenced.
Referring to fig. 3, optionally, the inner side wall of the sleeve 1 is smooth, the outer side wall is stepped, the outer side wall of the sleeve 1 includes a first straight-line-segment outer wall 11 and a second straight-line-segment outer wall 12 which are sequentially distributed from top to bottom, and a diameter of the first straight-line-segment outer wall 11 is larger than a diameter of the second straight-line-segment outer wall 12.
It should be noted that, in this embodiment of the application, the inside wall of the sleeve 1 is smooth, the inside wall of the first straight-line-segment outer wall 11 and the inside wall of the second straight-line-segment outer wall 12 have the same diameter, the outside wall of the first straight-line-segment outer wall 11 has a larger diameter than the outside wall of the second straight-line-segment outer wall 12, and the diameter difference is equal to the diameter difference between the inner ring and the outer ring of the lower flange 4, that is, the second straight-line-segment outer wall 12 is assembled with the lower flange 4 in a matching manner, so that the outer ring of the lower flange 4 and the wall surface of the first straight-line-segment outer wall 11 are exactly a straight line when the lower flange 4 is.
Optionally, the upper flange 3 is located on the first straight section outer wall 11 and is used for fixing and positioning the air flue test bed.
It should be noted that, in the embodiment of the present application, the upper flange 3 contacts with the table top of the air passage test bed, and cooperates with the lower flange 4 together to fix and position the air passage test bed, so that the cylinder head of the engine can accurately fall on a target position for performing a related test.
Optionally, the upper flange 3 is annular, the diameter of the inner ring of the upper flange 3 is equal to the diameter of the outer wall 11 of the first straight line section, and the diameter of the outer ring is larger than the diameter of the inner ring by a certain width.
It should be noted that, in the embodiment of the present application, the upper flange 3 is annular, the upper flange 3 is assembled on the sleeve 1, and the outer ring is protruded from the outer wall 11 of the first straight line section by a certain height in the transverse direction, and is used for abutting against the table top of the air passage test bed, so as to achieve the fixing and positioning functions.
Optionally, a convex ring 111 is disposed on the first straight-line outer wall 11, and the convex ring 111 is used for supporting the upper flange 3, so that the upper flange 3 is clamped on the first straight-line outer wall 11.
In the embodiment of the present application, the wall surface of the first straight-line outer wall 11 is smooth, and in order to prevent the upper flange 3 from falling, a circle of raised rings needs to be disposed on the wall surface to clamp the upper flange 3 and fix it on the first straight-line outer wall 11.
Optionally, two screw holes 31 are arranged on the end face of the upper flange 3, and the screw holes 31 are used for installing lifting lugs and hoisting a cylinder sleeve simulation tool.
It should be noted that, in this embodiment of the application, in order to hoist and mount the cylinder liner simulation frock steadily, the position of screw 31 is central symmetry, and the size is unanimous.
Optionally, the lower flange 4 is located on the second straight section outer wall 12 for positioning the airway test stand.
It should be noted that, in the embodiment of the present application, the upper flange 3 is located on the first straight-line-section outer wall 11, and is located at a distance from the top end; the lower flange 4 is located on the outer wall 12 of the second rectilinear segment at a distance of zero from the bottom end, i.e. the longitudinal length of the lower flange 4 is exactly the same as the longitudinal length of the outer wall 12 of the second rectilinear segment. The lower flange 4 is used for being matched with the upper flange 3 for limiting, so that the cylinder sleeve simulation tool is tightly combined with the air flue test bed.
Optionally, the inner side wall of the lower flange 4 is smooth, the diameter of the inner side wall is equal to the diameter of the outer wall 12 of the second straight line section, the outer side wall of the lower flange 4 is stepped and comprises a first lower flange ring 41 and a second lower flange ring 42 which are sequentially distributed from top to bottom, and the diameter of the outer ring of the first lower flange ring 41 is larger than that of the outer ring of the second lower flange ring 42.
It should be noted that, in the embodiment of the present application, the diameter of the outer ring of the first lower flange ring 41 is larger than the diameter of the outer ring of the second lower flange ring 42 by a certain distance, so that the cylinder liner simulation tool is conveniently lifted, and meanwhile, the cylinder liner simulation tool is also used for abutting against the table surface of the air passage test bed to fix the air passage test bed.
Optionally, the air pressure measuring point mounting hole 5 is located on the first straight line outer wall 11 and is used for measuring a pressure difference in the cylinder liner simulation tool.
In the embodiment of the present application, the air pressure measuring point mounting hole 5 is located on the first straight-line outer wall 11 of the cylinder liner simulation tool between the upper flange 3 and the lower flange 4, and the air pressure measuring point mounting hole 5 is connected to a pressure sensor, so as to measure the air pressure passing through the cylinder liner simulation tool.
Optionally, the cross section of the sealing ring mounting groove 2 is U-shaped and used for arranging a sealing ring.
It should be noted that, in the embodiment of the present application, an end surface of the upper end of the cylinder liner simulation tool, that is, an end surface of the top of the sleeve 1, is provided with a sealing ring installation groove 2 having a U-shaped cross section, and is used for realizing sealing between the engine cylinder head and the cylinder liner simulation tool through a sealing ring.
It should be noted that the sealing ring is arranged in the sealing ring mounting groove 2, and the thickness of the sealing ring is greater than the depth of the sealing ring mounting groove 2, so that the elasticity of the sealing ring can be utilized to improve the sealing between the engine cylinder cover and the upper end of the cylinder sleeve simulation tool.
In the embodiment of the application, the upper flange 3 and the lower flange 4 are matched with each other to limit the air passage test bed, so that the engine cylinder cover is higher than the air passage test bed and can accurately fall on a target position to perform the air passage test of the external part without influencing the original test capability; in addition, the air pressure measuring point mounting hole 5 is formed in the outer side wall of the sleeve 1, so that the air pressure in the cylinder sleeve simulation tool can be conveniently tested; meanwhile, the tested engine cylinder cover is flatly placed above the sleeve 1 through special work, and the engine cylinder cover compresses the rubber sealing ring in the sealing ring mounting groove 2 on the upper end face of the cylinder sleeve simulation tool under the action of self gravity, so that reliable sealing between the engine cylinder cover and the cylinder sleeve simulation tool is also ensured.
It is intended that the foregoing description of the disclosed embodiments enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a cylinder liner simulation frock for cylinder head air flue is experimental, its characterized in that includes: the device comprises a sleeve, a sealing ring mounting groove, an upper flange, a lower flange and a pneumatic pressure measuring point mounting hole;
the sealing ring mounting groove is positioned on the end surface of the top of the sleeve;
the upper flange and the lower flange are both positioned on the outer side wall of the sleeve;
the lower flange is positioned below the upper flange;
the air pressure measuring point mounting hole is formed in the outer side wall of the sleeve between the upper flange and the lower flange.
2. The cylinder sleeve simulation tool according to claim 1, wherein the inner side wall of the sleeve is smooth, the outer side wall of the sleeve is stepped, the outer side wall of the sleeve comprises a first straight line section outer wall and a second straight line section outer wall which are sequentially distributed from top to bottom, and the diameter of the first straight line section outer wall is larger than that of the second straight line section outer wall.
3. The cylinder liner simulation tool according to claim 2, wherein the upper flange is located on the outer wall of the first straight line section and used for fixing and positioning the air passage test bed.
4. The cylinder liner simulation tool according to claim 2, wherein the upper flange is annular, the diameter of an inner ring of the upper flange is equal to the diameter of the outer wall of the first straight line section, and the diameter of the outer ring is larger than the diameter of the inner ring by a certain width.
5. The cylinder liner simulation tool according to claim 1, wherein a protruding ring is arranged on the outer wall of the first straight line segment, and the protruding ring is used for supporting the upper flange, so that the upper flange is clamped on the outer wall of the first straight line segment.
6. The cylinder sleeve simulation tool according to claim 1, wherein two screw holes are symmetrically arranged on the end face of the upper flange, and the screw holes are used for installing lifting lugs and hoisting the cylinder sleeve simulation tool.
7. The cylinder liner simulation tool according to claim 1, wherein the lower flange is located on the outer wall of the second straight line segment and used for positioning an air passage test bed.
8. The cylinder liner simulation tool according to claim 1, wherein the inner side wall of the lower flange is smooth, the diameter of the inner side wall is equal to the diameter of the outer wall of the second straight line section, the outer side wall of the lower flange is stepped and comprises a first lower flange ring and a second lower flange ring which are sequentially distributed from top to bottom, and the diameter of the outer ring of the first lower flange ring is larger than that of the outer ring of the second lower flange ring.
9. The cylinder liner simulation tool according to claim 1, wherein the air pressure measurement point mounting hole is located on the outer wall of the first straight line segment and used for measuring a pressure difference in the cylinder liner simulation tool.
10. The cylinder liner simulation tool according to claim 1, wherein the cross section of the seal ring installation groove is U-shaped and used for arranging a seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180921.2A CN112432773A (en) | 2020-10-29 | 2020-10-29 | A cylinder liner simulation frock for cylinder head air flue is experimental |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180921.2A CN112432773A (en) | 2020-10-29 | 2020-10-29 | A cylinder liner simulation frock for cylinder head air flue is experimental |
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| Publication Number | Publication Date |
|---|---|
| CN112432773A true CN112432773A (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011180921.2A Pending CN112432773A (en) | 2020-10-29 | 2020-10-29 | A cylinder liner simulation frock for cylinder head air flue is experimental |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359033A (en) * | 2021-07-22 | 2021-09-07 | 抚顺煤矿电机制造有限责任公司 | External water jacket for coal mining machine motor type test |
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2020
- 2020-10-29 CN CN202011180921.2A patent/CN112432773A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359033A (en) * | 2021-07-22 | 2021-09-07 | 抚顺煤矿电机制造有限责任公司 | External water jacket for coal mining machine motor type test |
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