CN211013382U - Air tightness detection device suitable for exhaust elbow pipes of diesel engines of various specifications - Google Patents
Air tightness detection device suitable for exhaust elbow pipes of diesel engines of various specifications Download PDFInfo
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- CN211013382U CN211013382U CN201922183713.7U CN201922183713U CN211013382U CN 211013382 U CN211013382 U CN 211013382U CN 201922183713 U CN201922183713 U CN 201922183713U CN 211013382 U CN211013382 U CN 211013382U
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Abstract
The utility model relates to an air tightness detection device suitable for exhaust elbows of diesel engines with various specifications, which comprises a bottom plate, a first end socket device and a second end socket device; the first end enclosure device comprises a first bottom plate and a first push-pull sealing device; the first push-pull sealing device comprises a first connecting seat, a first hinge device and a first sliding piece; the first slider includes a first slide bar and a first seal cover. The utility model provides a pair of be suitable for airtight detection device of multiple specification diesel engine exhaust return bend can be suitable for multiple specification and dimension's diesel engine exhaust return bend, effectually carries out airtight test to it.
Description
Technical Field
The utility model relates to a blast pipe sealing performance detection device technical field, especially an airtight detection device who is suitable for multiple specification diesel engine exhaust return bend.
Background
The exhaust pipe for the diesel engine is one of main accessories of the diesel engine, and the exhaust gas recirculation is to introduce a small part of combustion exhaust gas from the exhaust pipe into the air inlet pipe to be mixed with a fresh charge, so that the amount of the exhaust gas in the fresh charge is artificially increased, the combustion temperature of the engine is reduced, and the formation of NOx is reduced.
The diesel engine exhaust elbow is formed by welding two semicircular elbows in a welding mode, so the air tightness of the two semicircular elbows needs to be detected after the two semicircular elbows are machined, the existing diesel engine exhaust elbow detection equipment is complex in device and complex in operation, operators make mistakes easily when operating, and the diesel engine exhaust elbow is diversified in models and is arranged in the existing detection equipment.
In view of the above problems, it is desirable to provide an air tightness detection device suitable for diesel engine exhaust elbows of various specifications.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airtight detection device who is suitable for multiple specification diesel engine exhaust return bend can be suitable for multiple specification and size's diesel engine exhaust return bend, effectually carries out airtight test to it.
In order to achieve the purpose of the utility model, the air tightness detection device suitable for the exhaust elbow of the diesel engines with various specifications comprises a bottom plate, a first end socket device and a second end socket device;
the bottom plate is of a square structure, and a slide rail is arranged on one side of the upper surface of the bottom plate along the length direction of the bottom plate;
the first end enclosure device comprises a first bottom plate and a first push-pull sealing device; the first bottom plate is of a square structure, a first connecting part matched with a sliding rail on the bottom plate is arranged on the lower surface of the first bottom plate, a plurality of first jackscrews are arranged on the first connecting part, the first bottom plate is arranged on the sliding rail in a sliding mode through the first connecting part and locked through the first jackscrews, and first fixing rods are vertically and symmetrically arranged at two side positions of one end of the upper surface of the first bottom plate; the other end of the first bottom plate is horizontally fixed with a first push-pull sealing device through a bolt, and the first push-pull sealing device comprises a first connecting seat, a first hinge device and a first sliding piece; the upper surface of the first connecting seat is a plane, a first limiting part is arranged at one end, close to the first fixing rod, of the upper surface of the first connecting seat along the length direction of the first bottom plate, a first through hole is formed in the first limiting part, and a first hinge part is arranged at one end, far away from the first fixing rod, of the upper surface of the first connecting seat; the first hinge device comprises a first hinge piece and a second hinge piece, one end of the first hinge piece is hinged with one end of the second hinge piece, a first wrench is arranged on the second hinge piece, and the other end of the second hinge piece is hinged with the first hinge piece; the first sliding part comprises a first sliding rod and a first sealing cover, the first sliding rod is matched with a first through hole in the first limiting part, the first sliding rod is sleeved in the first through hole in the first limiting part in a sliding mode, a second hinged part is arranged at one end, close to the first hinged part, of the first sliding rod, the second hinged part is hinged to the first hinged part, a first threaded hole is formed in one end, far away from the first hinged part, of the first sliding rod, a first stud is connected with the first threaded hole in a threaded mode, the head of the first stud is fixed to the center of the outer surface of the first sealing cover, a first sealing part is arranged on the first sealing cover, an air inlet hole is formed in the first sealing cover, and the air inlet hole is connected with an external air blowing device;
the second end socket device comprises a second bottom plate and a second push-pull sealing device; the second bottom plate is of a square structure, a second connecting part matched with the sliding rail on the bottom plate is arranged on the lower surface of the second bottom plate, a plurality of second jackscrews are arranged on the second connecting part, the second bottom plate is arranged on the sliding rail in a sliding mode through the second connecting part and locked through the second jackscrews, and second fixing rods are vertically and symmetrically arranged at two side positions of one end of the upper surface of the second bottom plate; a second push-pull sealing device is horizontally fixed at the other end of the second bottom plate through a bolt, and comprises a second connecting seat, a second hinge device and a second sliding piece; the upper surface of the second connecting seat is a plane, a second limiting part is arranged at one end, close to the second fixing rod, of the upper surface of the second connecting seat along the length direction of the second bottom plate, a second through hole is formed in the second limiting part, and a third hinge part is arranged at one end, far away from the second fixing rod, of the upper surface of the second connecting seat; the second hinge device comprises a third hinge piece and a fourth hinge piece, one end of the third hinge piece is hinged with one end of the fourth hinge piece, a second wrench is arranged on the fourth hinge piece, and the other end of the fourth hinge piece is hinged with the third hinge part; the second sliding part comprises a second sliding rod and a second sealing cover, the second sliding rod is matched with a second through hole in the second limiting part, the second sliding rod is sleeved in the second through hole in the second limiting part in a sliding mode, a fourth hinged part is arranged at one end, close to the third hinged part, of the second sliding rod, the fourth hinged part is hinged to the third hinged part, a second threaded hole is formed in one end, far away from the third hinged part, of the second sliding rod, a second stud is connected in the second threaded hole in a threaded mode, the head of the second stud is fixed to the center of the outer surface of the second sealing cover, and a second sealing part is arranged on the second sealing cover;
and a circle of sealing ring is arranged on the first sealing part on the first sealing cover and the second sealing part on the second sealing cover.
Preferably, the outer surfaces of the first wrench and the second wrench are both provided with a rubber layer.
Preferably, the bottom plate is provided with a cushion block, and the external diesel engine exhaust elbow is arranged on the bottom plate through the cushion block.
Preferably, the bottoms of the first jackscrews and the second jackscrews are provided with rubber blocks.
The working principle is as follows: the method comprises the steps of firstly horizontally placing a diesel engine exhaust elbow to be detected for sealing performance on a bottom plate, then respectively moving the positions of a first sealing device and a second sealing device on a sliding rail, enabling the two ends of the diesel engine exhaust elbow to be respectively clamped on a first fixing column and a second fixing column, respectively moving a first wrench and a second wrench, enabling a first sealing cover and a second sealing cover to move forwards to the maximum stroke, finally respectively rotating a first stud and a second stud, enabling a first sealing portion on the first sealing cover and a second sealing portion on the second sealing cover to seal the two ends of the diesel engine exhaust elbow, and finally connecting an external air blowing device on an air inlet hole to carry out air tightness detection on the diesel engine exhaust elbow.
The utility model discloses an airtight detection device who is suitable for multiple specification diesel engine exhaust return bend compares with prior art and has following advantage:
(1) the bottom plate is provided with a slide rail, and the first end enclosure device and the second end enclosure device are arranged on the slide rail in a sliding manner, so that the air tightness detection can be performed by being suitable for diesel engine exhaust pipes with various specifications;
(2) rubber blocks are arranged at the bottoms of the first jackscrews and the second jackscrews, so that friction force is increased, and locking effect is enhanced;
(3) simple structure, convenient operation is swift.
Drawings
FIG. 1 is a schematic structural view of a base plate;
FIG. 2 is a schematic structural view of a first head sealing device;
FIG. 3 is a schematic structural view of a first push-pull sealing device;
fig. 4 is a schematic structural diagram of an air tightness detecting device suitable for exhaust elbows of diesel engines with various specifications according to the present invention;
FIG. 5 is a schematic structural diagram of an air tightness detecting device provided with a cushion block and suitable for exhaust elbows of diesel engines with various specifications;
fig. 6 is an operation schematic diagram of the air tightness detecting device suitable for the exhaust elbow of the diesel engines with various specifications.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, an air tightness detecting device suitable for exhaust elbows of diesel engines with various specifications comprises a bottom plate 1, a first end enclosure device 19 and a second end enclosure device 20;
the bottom plate 1 is of a square structure, and a slide rail 2 is arranged at one side of the upper surface of the bottom plate 1 along the length direction of the bottom plate;
the first end socket device 19 comprises a first bottom plate 3 and a first push-pull sealing device; the first bottom plate 3 is of a square structure, a first connecting part matched with the slide rail 2 on the bottom plate 1 is arranged on the lower surface of the first bottom plate 3, a plurality of first jackscrews 5 are arranged on the first connecting part, the first bottom plate 3 is arranged on the slide rail 2 in a sliding mode through the first connecting part and locked through the first jackscrews 5, and first fixing rods 4 are vertically and symmetrically arranged at two side positions of one end of the upper surface of the first bottom plate 3; a first push-pull sealing device is horizontally fixed at the other end of the first bottom plate 3 through a bolt, and comprises a first connecting seat 6, a first hinge device 13 and a first sliding piece; the upper surface of the first connecting seat 6 is a plane, a first limiting part 7 is arranged at one end, close to the first fixing rod 4, of the upper surface of the first connecting seat 6 along the length direction of the first bottom plate 3, a first through hole is formed in the first limiting part 7, and a first hinge part 14 is arranged at one end, far away from the first fixing rod 4, of the upper surface of the first connecting seat 6; the first hinge device 13 comprises a first hinge 16 and a second hinge 17, one end of the first hinge 16 is hinged to one end of the second hinge 17, the second hinge 17 is provided with a first wrench 18, and the other end of the second hinge 17 is hinged to the first hinge 14; the first sliding part comprises a first sliding rod 8 and a first sealing cover 9, the first sliding rod 8 is matched with a first through hole in a first limiting part 7, the first sliding rod 8 is sleeved in the first through hole in the first limiting part 7 in a sliding mode, a second hinged part 15 is arranged at one end, close to a first hinged part 14, of the first sliding rod 8, the second hinged part 15 is hinged to a first hinged part 16, a first threaded hole is formed in one end, far away from the first hinged part 15, of the first sliding rod 8, a first stud 12 is connected in a threaded mode in the first threaded hole, the head of the first stud 12 is fixed in the center of the outer surface of the first sealing cover 9, a first sealing part 10 is arranged on the first sealing cover 9, an air inlet hole 11 is formed in the first sealing cover 9, and the air inlet hole 11 is connected with an external air blowing device;
the second end socket device 20 comprises a second bottom plate and a second push-pull sealing device; the second bottom plate is of a square structure, a second connecting part matched with the sliding rail on the bottom plate is arranged on the lower surface of the second bottom plate, a plurality of second jackscrews are arranged on the second connecting part, the second bottom plate is arranged on the sliding rail in a sliding mode through the second connecting part and locked through the second jackscrews, and second fixing rods are vertically and symmetrically arranged at two side positions of one end of the upper surface of the second bottom plate; a second push-pull sealing device is horizontally fixed at the other end of the second bottom plate through a bolt, and comprises a second connecting seat, a second hinge device and a second sliding piece; the upper surface of the second connecting seat is a plane, a second limiting part is arranged at one end, close to the second fixing rod, of the upper surface of the second connecting seat along the length direction of the second bottom plate, a second through hole is formed in the second limiting part, and a third hinge part is arranged at one end, far away from the second fixing rod, of the upper surface of the second connecting seat; the second hinge device comprises a third hinge piece and a fourth hinge piece, one end of the third hinge piece is hinged with one end of the fourth hinge piece, a second wrench is arranged on the fourth hinge piece, and the other end of the fourth hinge piece is hinged with the third hinge part; the second sliding part comprises a second sliding rod and a second sealing cover, the second sliding rod is matched with a second through hole in the second limiting part, the second sliding rod is sleeved in the second through hole in the second limiting part in a sliding mode, a fourth hinged part is arranged at one end, close to the third hinged part, of the second sliding rod, the fourth hinged part is hinged to the third hinged part, a second threaded hole is formed in one end, far away from the third hinged part, of the second sliding rod, a second stud is connected in the second threaded hole in a threaded mode, the head of the second stud is fixed to the center of the outer surface of the second sealing cover, and a second sealing part is arranged on the second sealing cover;
and a circle of sealing ring is arranged on the first sealing part 10 on the first sealing cover 9 and the second sealing part on the second sealing cover.
The inventor herein explains that since the first sealing device 19 and the second sealing device 20 have the same structure except that the first sealing cover 9 is provided with the air inlet hole 11, the inventor does not provide a schematic structural diagram of the second sealing device 20 separately in the drawings of the specification.
The working principle is as follows: the method comprises the steps of firstly horizontally placing a diesel engine exhaust elbow 22 to be detected in sealing performance on a bottom plate 1, then respectively moving the positions of a first sealing device 19 and a second sealing device 20 on a sliding rail 2, enabling the two ends of the diesel engine exhaust elbow 22 to be respectively clamped on a first fixing column 4 and a second fixing column, respectively moving a first wrench 18 and a second wrench, enabling a first sealing cover 9 and a second sealing cover to move forwards to the maximum stroke, finally respectively rotating a first stud 12 and a second stud, enabling a first sealing portion 10 on the first sealing cover 9 and a second sealing portion on the second sealing cover to seal the two ends of the diesel engine exhaust elbow 22, and finally connecting an external air blowing device on an air inlet 11 to perform air tightness detection on the diesel engine exhaust elbow.
Preferably, the outer surfaces of the first wrench 18 and the second wrench are both provided with a rubber layer for the operator to grasp.
Preferably, the bottom plate 1 is provided with a spacer 21, and the external diesel engine exhaust elbow is arranged on the bottom plate 1 through the spacer 21, so that the diesel engine exhaust elbow 22 can be quickly positioned in a horizontal position.
In order to prevent the first head device 19 and the second head device 20 after fixing from sliding on the slide rail 2, the bottoms of the first jackscrews 5 and the second jackscrews are provided with rubber blocks, so that friction force is increased, and locking effect is enhanced.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. An air tightness detection device suitable for exhaust elbows of diesel engines with various specifications is characterized by comprising a bottom plate, a first end enclosure device and a second end enclosure device;
the bottom plate is of a square structure, and a slide rail is arranged on one side of the upper surface of the bottom plate along the length direction of the bottom plate;
the first end enclosure device comprises a first bottom plate and a first push-pull sealing device; the first bottom plate is of a square structure, a first connecting part matched with a sliding rail on the bottom plate is arranged on the lower surface of the first bottom plate, a plurality of first jackscrews are arranged on the first connecting part, the first bottom plate is arranged on the sliding rail in a sliding mode through the first connecting part and locked through the first jackscrews, and first fixing rods are vertically and symmetrically arranged at two side positions of one end of the upper surface of the first bottom plate; the other end of the first bottom plate is horizontally fixed with a first push-pull sealing device through a bolt, and the first push-pull sealing device comprises a first connecting seat, a first hinge device and a first sliding piece; the upper surface of the first connecting seat is a plane, a first limiting part is arranged at one end, close to the first fixing rod, of the upper surface of the first connecting seat along the length direction of the first bottom plate, a first through hole is formed in the first limiting part, and a first hinge part is arranged at one end, far away from the first fixing rod, of the upper surface of the first connecting seat; the first hinge device comprises a first hinge piece and a second hinge piece, one end of the first hinge piece is hinged with one end of the second hinge piece, a first wrench is arranged on the second hinge piece, and the other end of the second hinge piece is hinged with the first hinge piece; the first sliding part comprises a first sliding rod and a first sealing cover, the first sliding rod is matched with a first through hole in the first limiting part, the first sliding rod is sleeved in the first through hole in the first limiting part in a sliding mode, a second hinged part is arranged at one end, close to the first hinged part, of the first sliding rod, the second hinged part is hinged to the first hinged part, a first threaded hole is formed in one end, far away from the first hinged part, of the first sliding rod, a first stud is connected with the first threaded hole in a threaded mode, the head of the first stud is fixed to the center of the outer surface of the first sealing cover, a first sealing part is arranged on the first sealing cover, an air inlet hole is formed in the first sealing cover, and the air inlet hole is connected with an external air blowing device;
the second end socket device comprises a second bottom plate and a second push-pull sealing device; the second bottom plate is of a square structure, a second connecting part matched with the sliding rail on the bottom plate is arranged on the lower surface of the second bottom plate, a plurality of second jackscrews are arranged on the second connecting part, the second bottom plate is arranged on the sliding rail in a sliding mode through the second connecting part and locked through the second jackscrews, and second fixing rods are vertically and symmetrically arranged at two side positions of one end of the upper surface of the second bottom plate; a second push-pull sealing device is horizontally fixed at the other end of the second bottom plate through a bolt, and comprises a second connecting seat, a second hinge device and a second sliding piece; the upper surface of the second connecting seat is a plane, a second limiting part is arranged at one end, close to the second fixing rod, of the upper surface of the second connecting seat along the length direction of the second bottom plate, a second through hole is formed in the second limiting part, and a third hinge part is arranged at one end, far away from the second fixing rod, of the upper surface of the second connecting seat; the second hinge device comprises a third hinge piece and a fourth hinge piece, one end of the third hinge piece is hinged with one end of the fourth hinge piece, a second wrench is arranged on the fourth hinge piece, and the other end of the fourth hinge piece is hinged with the third hinge part; the second sliding part comprises a second sliding rod and a second sealing cover, the second sliding rod is matched with a second through hole in the second limiting part, the second sliding rod is sleeved in the second through hole in the second limiting part in a sliding mode, a fourth hinged part is arranged at one end, close to the third hinged part, of the second sliding rod, the fourth hinged part is hinged to the third hinged part, a second threaded hole is formed in one end, far away from the third hinged part, of the second sliding rod, a second stud is connected in the second threaded hole in a threaded mode, the head of the second stud is fixed to the center of the outer surface of the second sealing cover, and a second sealing part is arranged on the second sealing cover;
and a circle of sealing ring is arranged on the first sealing part on the first sealing cover and the second sealing part on the second sealing cover.
2. The airtightness detection device for the exhaust elbows of the diesel engines with various specifications according to claim 1, wherein a rubber layer is arranged on the outer surface of each of the first wrench and the second wrench.
3. The airtightness detection apparatus according to claim 1, wherein the bottom plate is provided with a spacer, and the external exhaust elbow of the diesel engine is placed on the bottom plate through the spacer.
4. The airtightness detection device suitable for the exhaust elbows of the diesel engines with various specifications according to claim 1, wherein the bottoms of the first jackscrews and the second jackscrews are provided with rubber blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183713.7U CN211013382U (en) | 2019-12-09 | 2019-12-09 | Air tightness detection device suitable for exhaust elbow pipes of diesel engines of various specifications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183713.7U CN211013382U (en) | 2019-12-09 | 2019-12-09 | Air tightness detection device suitable for exhaust elbow pipes of diesel engines of various specifications |
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| Publication Number | Publication Date |
|---|---|
| CN211013382U true CN211013382U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183713.7U Active CN211013382U (en) | 2019-12-09 | 2019-12-09 | Air tightness detection device suitable for exhaust elbow pipes of diesel engines of various specifications |
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| CN (1) | CN211013382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483972A (en) * | 2021-08-20 | 2021-10-08 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
-
2019
- 2019-12-09 CN CN201922183713.7U patent/CN211013382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483972A (en) * | 2021-08-20 | 2021-10-08 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
| CN113483972B (en) * | 2021-08-20 | 2024-01-26 | 安徽信息工程学院 | Automatic air tightness detection device for bent pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An air tightness detection device for exhaust elbow of diesel engine with various specifications Effective date of registration: 20220112 Granted publication date: 20200714 Pledgee: Qiaoqi sub branch of Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Pledgor: Jiangyin Tongfang machinery parts manufacturing Co.,Ltd. Registration number: Y2022320010018 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |