CN212297574U - Leakage test tool for cylinder block base - Google Patents
Leakage test tool for cylinder block base Download PDFInfo
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- CN212297574U CN212297574U CN202021916564.7U CN202021916564U CN212297574U CN 212297574 U CN212297574 U CN 212297574U CN 202021916564 U CN202021916564 U CN 202021916564U CN 212297574 U CN212297574 U CN 212297574U
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Abstract
The utility model discloses a leakage test frock of cylinder block frame, cylinder block frame include bottom surface, top surface, preceding semicircle orifice, latter half round hole and oilhole, and preceding semicircle orifice and latter half round hole set up respectively on the preceding lateral wall and the back lateral wall of cylinder block frame, and the leakage test frock includes bottom surface clamp plate, lower sealing pad, top surface clamp plate, upper sealing pad, preceding semicircle is stifled, latter half round is stifled and a plurality of bolt assembly. The bottom surface pressing plate is tightly attached to the bottom surface; the lower sealing gasket is arranged between the bottom surface pressing plate and the bottom surface; the top surface pressing plate is tightly attached to the top surface; the upper sealing gasket is arranged between the top surface pressing plate and the top surface; the front semicircular plug is arranged in the front semicircular hole, and the periphery of the front semicircular plug is simultaneously attached to the front semicircular hole and the top surface pressing plate; the rear semicircular plug is arranged in the rear semicircular hole, and the periphery of the rear semicircular plug is simultaneously attached to the rear semicircular hole and the top surface pressing plate; a plurality of bolt assemblies simultaneously connect the bottom platen and the top platen. Therefore, the leakage test can be completed without installing the clamping mechanisms on the front side and the rear side.
Description
Technical Field
The utility model relates to an engine field especially is about a leak test frock that is used for the leakage test of the cylinder block frame of engine.
Background
Generally, a cylinder block assembly of an engine of a certain type is composed of two parts, i.e., an upper part and a lower part of a cylinder block + a base. The machine base is used as an important component of the cylinder body assembly, is covered with the semicircular hole on the cylinder body to form a main shaft hole, and is used as a lower part to play a supporting role. Therefore, in order to ensure the reliability of the engine base, the engine base and the inner cavity of the engine base must be tested for leakage. Before leakage testing of an inner cavity of the engine base, the semicircular holes (namely the main shaft hole covered with the cylinder block) on the top surface, the bottom surface and the front and rear end surfaces need to be sealed by using a tool, and the structure is a T-shaped structure (the semicircular holes on the top surface and the front and rear end surfaces need to be sealed simultaneously).
The leak hunting frock of prior art is in order to seal the semicircle orifice of live frame top surface and terminal surface to carrying out the leak test to the frame inner chamber, thereby need thickening the closing plate of frame top surface earlier seal the top surface after seal again from the side through the top surface clamp plate and seal, because the non-pressure tight mechanism, still need the edgewise to assist and compress tightly, thereby make the heavy and complex operation of leak hunting frock.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a leak test frock of cylinder block frame, it need not the edgewise around with main shaft hole compress tightly can accomplish the leak test work.
In order to achieve the above object, the utility model provides a leakage test frock of cylinder block frame, cylinder block frame include bottom surface, top surface, preceding semicircle orifice, latter half round hole and oilhole, and preceding semicircle orifice and latter half round hole set up respectively on the preceding lateral wall and the rear side wall of cylinder block frame, and the leakage test frock includes bottom surface clamp plate, lower sealing pad, top surface clamp plate, upper sealing pad, preceding semicircle is stifled, latter half round is stifled and a plurality of bolt assembly. The bottom surface pressing plate is tightly attached to the bottom surface; the lower sealing gasket is arranged between the bottom surface pressing plate and the bottom surface; the top surface pressing plate is tightly attached to the top surface; the upper sealing gasket is arranged between the top surface pressing plate and the top surface; the front semicircular plug is arranged in the front semicircular hole, and the periphery of the front semicircular plug is simultaneously attached to the front semicircular hole and the top surface pressing plate; the rear semicircular plug is arranged in the rear semicircular hole, and the periphery of the rear semicircular plug is simultaneously attached to the rear semicircular hole and the top surface pressing plate; a plurality of bolt assemblies simultaneously connect the bottom platen and the top platen.
In a preferred embodiment, the semicircular surface of the front semicircular plug comprises a front plugging ring groove, the radius of the front plugging ring groove is greater than that of the front semicircular hole, and the width of the front plugging ring groove is greater than the thickness of the front side wall.
In a preferred embodiment, the depth of the front plug ring groove is greater than the radius of the front semicircular hole but less than the radius of the front plug ring groove.
In a preferred embodiment, the semicircular surface of the rear semicircular plug comprises a rear plugging ring groove, the radius of the rear plugging ring groove is larger than that of the rear semicircular hole, and the width of the rear plugging ring groove is larger than the thickness of the rear side wall.
In a preferred embodiment, the depth of the rear block ring groove is greater than the radius of the rear semicircular hole but less than the radius of the rear block ring groove.
In a preferred embodiment, the leakage testing tool for the cylinder block base further comprises an air inlet pipe, the air inlet pipe is connected with the oil hole in a sealing mode, and the air inlet pipe is used for conveying compressed air to an inner cavity of the cylinder block base through the oil hole.
In a preferred embodiment, the plurality of bolt assemblies are annularly arranged around the bottom surface and the top surface according to the shape of the bottom surface and the top surface.
In a preferred embodiment, the front and rear plugs are made of an elastic material.
Compared with the prior art, the utility model discloses a leak test frock of cylinder block frame has following beneficial effect: through the blockage of the designed semicircular hole, the semicircular hole of the machine base is effectively sealed, and the front and rear main shaft holes are not required to be sealed from the side surface, so that the inner cavity of the machine base is convenient and quick to leak test. And the semicircular hole plug is simple to manufacture, low in cost and convenient to install.
Drawings
Fig. 1 is a schematic working diagram of a leak testing tool according to an embodiment of the present invention;
fig. 2 is a schematic top view of a cylinder block frame according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a test of a cylinder block frame according to an embodiment of the present invention;
fig. 4 is a schematic front view of a front semicircular plug according to an embodiment of the present invention;
fig. 5 is a schematic side view of a front semi-circular plug according to an embodiment of the present invention;
fig. 6 is a schematic front view of a rear semicircular plug according to an embodiment of the present invention; and
fig. 7 is a schematic side view of a rear semicircular plug according to an embodiment of the present invention.
Description of the main reference numerals:
1-bottom surface pressing plate, 2-lower sealing pad, 3-upper sealing pad, 4-top surface pressing plate, 5-front semicircular plug, H1-front plugging ring groove width, H2-front plugging thickness, H3-front plugging ring groove depth, R1-front plugging ring groove radius, R2-front plugging outer radius, 6-rear semicircular plug, H1-rear plugging ring groove width, H2-rear plugging thickness, H3-rear plugging ring groove depth, R1-rear plugging ring groove radius, R2-rear plugging outer radius, 7-air inlet pipe, 8-bolt component, 9-cylinder block base, 91-front semicircular hole, 92-rear semicircular hole, L1-front semicircular hole thickness, L2-rear semicircular hole thickness and phi-semicircular hole diameter.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 3, according to the utility model discloses a leakage test frock of cylinder block frame of preferred embodiment, cylinder block frame 9 includes bottom surface, top surface, preceding semicircle orifice 91, latter half round hole 92 and oilhole, preceding semicircle orifice 91 and latter half round hole 92 set up respectively on the preceding lateral wall and the back lateral wall of cylinder block frame 9, the leakage test frock mainly includes bottom surface clamp plate 1, lower sealing gasket 2, upper sealing gasket 3, top surface clamp plate 4, preceding semicircle is stifled 5, latter semicircle is stifled 6, intake pipe 7 and a plurality of bolt assembly 8. Referring to fig. 2 and 3, in some embodiments, generally, the front half-hole 91 and the rear half-hole 92 have the same and coaxial diameter, and the half-hole diameter phi of the present embodiment is about 55.5 ± 0.1mm, and the front sidewall thickness (front half-hole thickness) is about 22.75(0, — 0.05mm) and the rear sidewall thickness (rear half-hole thickness) is about 28.95(0, — 0.05 mm).
In the present embodiment, the bottom surface pressing plate 1 is attached to the bottom surface. The lower seal gasket 2 is arranged between the bottom surface pressing plate 1 and the bottom surface. The top surface pressing plate 4 is tightly attached to the top surface. The upper gasket 3 is disposed between the top surface pressing plate 4 and the top surface. In this embodiment, the bottom surface pressing plate 1 and the top surface pressing plate 4 are both made of steel plates with certain thicknesses, and in order to enhance the strength and rigidity, a plurality of criss-cross rib plates may be further disposed on the back surfaces (not in contact with the bottom surface and the top surface) of the bottom surface pressing plate 1 and the top surface pressing plate 4.
In this embodiment, a plurality of bolt holes are further formed in the bottom surface pressing plate 1 and the top surface pressing plate 4, a plurality of bolt assemblies 8 are arranged in the bolt holes, the positions of the bolt holes approximately follow the shapes of the bottom surface and the top surface, and the positions of the bolt holes in the bottom surface pressing plate 1 and the top surface pressing plate 4 are matched, so that the plurality of bolt assemblies 8 are just arranged around the shapes of the top surface and the bottom surface of the cylinder block base 9, and the uniform stress can be ensured during pressing.
As shown in fig. 4 to 5, in some embodiments, the front semicircular plug 5 is disposed in the front semicircular hole 91, and the periphery of the front semicircular plug 5 is tightly attached to the front semicircular hole 91 and the top surface pressing plate 4. The semi-circular arc surface of the front semicircular plug 5 comprises a front plugging ring groove, the radius of the front plugging ring groove is larger than that of the front semicircular hole 91, and the width of the front plugging ring groove is larger than the thickness of the front side wall. The depth of the front plugging ring groove is larger than the radius of the front semicircular hole 91 but smaller than the radius of the front plugging ring groove. In this embodiment, the front plug groove width h1 is about 28.8 + -0.04 mm, the front plug thickness h2 is about 43mm, the front plug groove radius r1 is about 27.9 + -0.02 mm, and the front plug outer radius r2 is about 40 mm. The depth h3 of the front block ring groove (the distance between the straight edge of the semicircle and the arc top of the ring groove) is about 27.8 (+ 0.15, + 0.2) mm.
As shown in fig. 6 to 7, in some embodiments, the rear half circular plug 6 is disposed in the rear half circular hole 92, and the periphery of the rear half circular plug 6 is simultaneously mounted in close contact with the rear half circular hole 92 and the top surface pressing plate 4; the semi-circular arc surface of the rear semicircular plug 6 comprises a rear plugging ring groove, the radius of the rear plugging ring groove is larger than that of the rear semicircular hole 92, and the width of the rear plugging ring groove is larger than the thickness of the rear side wall. The depth of the rear plugging ring groove is greater than the radius of the rear half round hole 92 and smaller than the radius of the rear plugging ring groove. In this embodiment, the rear plug groove width H1 is about 29 + -0.04 mm, the rear plug thickness H2 is about 49mm, the rear plug groove radius R1 is about 27.9 + -0.02 mm, and the rear plug outer radius R2 is about 40 mm. The depth of the back block ring groove H3 (the distance from the straight edge of the semicircle to the arc top of the ring groove) is about 27.8 (+ 0.15, + 0.2) mm.
In some embodiments, the front and rear plugs 5, 6 are made of a material having elastic deformation properties, such as but not limited to a polyurethane material.
In some embodiments, when the front semicircular plug 5 and the rear semicircular plug 6 are installed in the front semicircular hole 91 and the rear semicircular hole 92, the circular grooves are clamped on the front side wall and the rear side wall, the straight edge planes of the front semicircular plug 5 and the rear semicircular plug 6 are slightly higher than the top surface, and because the front semicircular plug 5 and the rear semicircular plug 6 are made of elastic materials, after the bottom surface pressing plate 1 and the top surface pressing plate 4 are tightly pressed, and under the action of the sealing gasket 3, the sealing effect of the front semicircular hole 91 and the rear semicircular hole 92 is better.
In some embodiments, the leakage testing tool for the cylinder block base 9 further includes an air inlet pipe 7, which is hermetically connected to the oil hole, and the air inlet pipe 7 is used for delivering compressed air to the inner cavity of the cylinder block base 9 through the oil hole.
In some embodiments, the utility model discloses a method of use of the leakage test frock of cylinder block frame 9 is as follows: firstly, the front semicircular plug 5 and the rear semicircular plug 6 are arranged in the front semicircular hole 91 and the rear semicircular hole 92, then the lower sealing gasket 2 and the upper sealing gasket 3 are arranged at the bottom surface and the top surface, the cylinder block base 9 is placed on the bottom surface pressing plate 1, the top surface pressing plate 4 is locked by the bolt component 8 after being covered, and finally, the air inlet pipe 7 is connected with the oil port in a sealing manner. And (3) placing the cylinder block base 9 provided with the leakage test tool into a water pool, immersing the whole cylinder block base into water, filling high-pressure gas, enabling the air pressure to reach a certain pressure and a certain time, and observing whether the body of the cylinder block base 9 leaks or not.
To sum up, the utility model discloses a leak test frock of cylinder block frame has following beneficial effect: through the blockage of the designed semicircular hole, the semicircular hole of the machine base is effectively sealed, and the front and rear main shaft holes are not required to be sealed from the side surface, so that the inner cavity of the machine base is convenient and quick to leak test. And the semicircular hole plug is simple to manufacture, low in cost and convenient to install. Meanwhile, a design idea and a method are provided for the leakage test and sealing of subsequent similar parts.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a leak test frock of cylinder block frame, the cylinder block frame includes bottom surface, top surface, preceding semicircle orifice, latter half round hole and oilhole, preceding semicircle orifice with latter half round hole sets up respectively on the preceding lateral wall and the back lateral wall of cylinder block frame, its characterized in that, the leak test frock includes:
the bottom surface pressing plate is tightly attached to the bottom surface;
a lower gasket disposed between the bottom surface pressing plate and the bottom surface;
the top surface pressing plate is tightly attached to the top surface;
an upper gasket disposed between the top platen and the top surface;
the front semicircular plug is arranged in the front semicircular hole, and the periphery of the front semicircular plug is simultaneously attached to the front semicircular hole and the top surface pressing plate;
the rear semicircular plug is arranged in the rear semicircular hole, and the periphery of the rear semicircular plug is simultaneously attached to the rear semicircular hole and the top surface pressing plate; and
a plurality of bolt assemblies simultaneously connecting the bottom platen and the top platen.
2. The leak testing tool for the cylinder block base according to claim 1, wherein the front semicircular plug comprises a front circular plug groove on a semicircular arc surface, the radius of the front circular plug groove is larger than that of the front semicircular hole, and the width of the front circular plug groove is larger than the thickness of the front side wall.
3. The leak testing tool for the cylinder block base according to claim 2, wherein the depth of the front ring plugging groove is greater than the radius of the front semicircular hole but less than the radius of the front ring plugging groove.
4. The leak testing tool for the cylinder block base according to claim 1, wherein the semicircular surface of the rear semicircular plug comprises a rear circular plug groove, the radius of the rear circular plug groove is larger than that of the rear semicircular hole, and the width of the rear circular plug groove is larger than the thickness of the rear side wall.
5. The leak testing tool for the cylinder block base according to claim 4, wherein the depth of the rear block ring groove is greater than the radius of the rear semi-circular hole but less than the radius of the rear block ring groove.
6. The leak testing tool for the cylinder block base according to claim 1, further comprising an air inlet pipe hermetically connected to the oil hole, the air inlet pipe being configured to deliver compressed air to the inner cavity of the cylinder block base through the oil hole.
7. The leak test fixture for a cylinder block base according to claim 1, wherein the plurality of bolt assemblies are annularly arranged around the bottom surface and the top surface in accordance with the shape of the bottom surface and the top surface.
8. The leak test fixture of a cylinder block base according to claim 1, wherein the front and rear semicircular plugs are made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916564.7U CN212297574U (en) | 2020-09-04 | 2020-09-04 | Leakage test tool for cylinder block base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021916564.7U CN212297574U (en) | 2020-09-04 | 2020-09-04 | Leakage test tool for cylinder block base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297574U true CN212297574U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021916564.7U Active CN212297574U (en) | 2020-09-04 | 2020-09-04 | Leakage test tool for cylinder block base |
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| Country | Link |
|---|---|
| CN (1) | CN212297574U (en) |
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2020
- 2020-09-04 CN CN202021916564.7U patent/CN212297574U/en active Active
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