CN204439308U - The leakage detection apparatus of automobile exhaust pipe - Google Patents
The leakage detection apparatus of automobile exhaust pipe Download PDFInfo
- Publication number
- CN204439308U CN204439308U CN201420852633.0U CN201420852633U CN204439308U CN 204439308 U CN204439308 U CN 204439308U CN 201420852633 U CN201420852633 U CN 201420852633U CN 204439308 U CN204439308 U CN 204439308U
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- tail
- plate
- location
- clamping device
- detection apparatus
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Abstract
The utility model discloses a kind of leakage detection apparatus of automobile exhaust pipe, comprise frame, be arranged on the head end clamping device in the left side of framework platform, the back-up block being arranged on the tail end clamping device on the right side of framework platform and being arranged in order to the body of supporting and location automobile exhaust pipe on framework platform, described head end clamping device comprises prelocalization plate, be arranged on the register pin of prelocalization plate both sides, be arranged on the clamping arm that prelocalization plate both sides can be driven by front air cylinder, and the front gasket ring be arranged on front side of prelocalization plate, described tail end clamping device comprise can by the movement of tail air cylinder driven and both sides offer the tail location-plate of through hole, be arranged on the tail gasket ring inside tail location-plate.Leakage detection apparatus of the present utility model, is designed by front and back clamped-in style, and adopts polyurethane gasket ring, effectively improves the sealing of junction, ensures serviceable life simultaneously, adopts pin-and-hole formula location fit position transducer, for later stage leak detection provides basis.
Description
Technical field
The utility model relates to Machining Technology field, particularly relates to a kind of leakage detection apparatus of automobile exhaust pipe.
Background technology
Automobile exhaust pipe manufacturer, in the production run of gas outlet, needs to test the sealing property of gas outlet, to guarantee the quality of product.And the effect of gas outlet performing leak test also can be subject to the structure influence of clamping apparatus, traditional leak tightness testing equipment sealing part design reasonable not, there will be leakage in sealing place after causing gas outlet to complete clamping, cause erroneous judgement, have influence on the qualification rate of product.
And some exhaust pipe structures is complicated, and the joint flange as the head end of gas outlet is provided with connecting through hole, and the joint flange of tail end be directly provided with connecting link, this effectively accurately location with regard to discharge tracheae brings challenges.
Utility model content
The purpose of this utility model is the technological deficiency for existing in prior art, and provides a kind of leakage detection apparatus of automobile exhaust pipe.
The technical scheme adopted for realizing the purpose of this utility model is:
A kind of leakage detection apparatus of automobile exhaust pipe, comprise frame, be arranged on the head end clamping device in the left side of framework platform, the back-up block being arranged on the tail end clamping device on the right side of framework platform and being arranged in order to the body of supporting and location automobile exhaust pipe on framework platform, described head end clamping device comprises prelocalization plate, be arranged on the register pin of prelocalization plate both sides, be arranged on the clamping arm that prelocalization plate both sides can be driven by front air cylinder, and the front gasket ring be arranged on front side of prelocalization plate, described tail end clamping device comprise can by the movement of tail air cylinder driven and both sides offer the tail location-plate of through hole, be arranged on the tail gasket ring inside tail location-plate, wherein, described tail location-plate is provided be communicated to space in described tail gasket ring tail through hole to be communicated with external air source, described prelocalization plate is provided be communicated to space in described front gasket ring front through hole to be communicated with barometer.
Described prelocalization plate both sides are also respectively arranged with the front position sensor detecting pressure arm, and described tail location-plate both sides are provided with the tail position transducer of the connecting link of monitoring gas outlet.
Described front gasket ring and tail gasket ring are polyurethane material.
Described tail end clamping device also comprises afterbody frame, described tail gas cylinder is fixedly installed on afterbody top of the trellis, the piston rod of described tail gas cylinder is connected with tail location-plate through the pilot hole of the orienting lug be arranged on afterbody frame, described piston rod is provided with guide groove, described orienting lug is provided with pilot pin bar corresponding with it.
Described pressure arm is L shape, and the compression point of described pressure arm and the head flanges of gas outlet is positioned at register pin place.
Described back-up block is spaced two, and is respectively arranged with the V-arrangement locating slot of upper shed.
Compared with prior art, the beneficial effects of the utility model are:
Leakage detection apparatus of the present utility model, designed by front and back clamped-in style, and adopt polyurethane gasket ring, effectively improve the sealing of junction, ensure serviceable life simultaneously, adopt pin-and-hole formula location fit position transducer, the accuracy of effective guarantee position location, for later stage leak detection provides basis, and adopts perforate design on location-plate, optimize connectivity structure, improve ease of use.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the leakage detection apparatus of automobile exhaust pipe of the present utility model;
Figure 2 shows that the A portion close-up schematic view shown in Fig. 1;
Figure 3 shows that the volume B portion close-up schematic view shown in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-3, the leakage detection apparatus of automobile exhaust pipe of the present utility model comprises frame 1, be arranged on the head end clamping device in the left side of framework platform, the back-up block 2 being arranged on the tail end clamping device on the right side of framework platform and being arranged in order to the body of supporting and location automobile exhaust pipe on platform, described head end clamping device comprises prelocalization plate 3, be arranged on prelocalization plate both sides in order to locate the register pin 4 of the mounting hole of forward flange 100, be arranged on the clamping arm 5 that prelocalization plate both sides can be driven by front air cylinder, and gasket ring 6 before the polyurethane material being arranged on front side of prelocalization plate, described tail end clamping device comprise can by tail gas cylinder 7 drive movement and both sides offer the tail location-plate 8 of the through hole mated with the backstay of rear flange 200, be arranged on the polyurethane material tail gasket ring 9 inside tail location-plate, wherein, described tail location-plate is provided be communicated to space in described tail gasket ring tail through hole to be communicated with external air source, described prelocalization plate is provided be communicated to space in described front gasket ring front through hole to be communicated with barometer.Wherein, described prelocalization plate both sides are also respectively arranged with the front position sensor 10 detecting pressure arm, and described tail location-plate both sides are provided with the tail position transducer 11 of the connecting link of monitoring gas outlet.Described position transducer can be contact or the polytype such as induction type, raster pattern.Utilize position transducer can end-state after detection and location, effectively can prevent the generation revealed, improve leak detection quality.Described back-up block 2 is spaced two, and is respectively arranged with the V-arrangement locating slot of the upper shed supporting body in order to inlay card, and middle part provides effective support, also ensure that the sealing effectiveness at two ends to a certain extent.
Leakage detection apparatus of the present utility model, designed by front and back clamped-in style, and adopt polyurethane gasket ring, effectively improve the sealing of junction, ensure serviceable life simultaneously, adopt pin-and-hole formula location fit position transducer, the accuracy of effective guarantee position location, for later stage leak detection provides basis, and adopts perforate design on location-plate, optimize connectivity structure, improve ease of use.
Specifically, described tail end clamping device also comprises afterbody frame 12, described tail gas cylinder is fixedly installed on afterbody top of the trellis, the piston rod of described tail gas cylinder is connected with tail location-plate through the pilot hole of the orienting lug 13 be arranged on afterbody frame, described piston rod is provided with guide groove, described orienting lug is provided with pilot pin bar corresponding with it.Adopt the cooperation of guide groove and pilot pin bar, effectively can prevent the rotation of tail location-plate, coordinate is the effective travel that position transducer 11 can control tail gas cylinder simultaneously, avoids excessively stretching out causing gas outlet to be out of shape.
Simultaneously, described pressure arm is L shape, it drives upset with realization to the compression of gas outlet forward flange or release by front air cylinder, and the compression point of described pressure arm and the head flanges of gas outlet is positioned at register pin place, namely, by arranging the rational height of register pin, while the through hole location utilizing it to carry out head flanges, the stroke for front air cylinder provides spacing, simplifies the structure, avoid excessively stretching out, overall security is provided.
The above is only preferred implementation of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the leakage detection apparatus of an automobile exhaust pipe, it is characterized in that, comprise frame, be arranged on the head end clamping device in the left side of framework platform, the back-up block being arranged on the tail end clamping device on the right side of framework platform and being arranged in order to the body of supporting and location automobile exhaust pipe on framework platform, described head end clamping device comprises prelocalization plate, be arranged on the register pin of prelocalization plate both sides, be arranged on the clamping arm that prelocalization plate both sides can be driven by front air cylinder, and the front gasket ring be arranged on front side of prelocalization plate, described tail end clamping device comprise can by the movement of tail air cylinder driven and both sides offer the tail location-plate of through hole, be arranged on the tail gasket ring inside tail location-plate, wherein, described tail location-plate is provided be communicated to space in described tail gasket ring tail through hole to be communicated with external air source, described prelocalization plate is provided be communicated to space in described front gasket ring front through hole to be communicated with barometer.
2. leakage detection apparatus as claimed in claim 1, it is characterized in that, described prelocalization plate both sides are also respectively arranged with the front position sensor detecting pressure arm, and described tail location-plate both sides are provided with the tail position transducer of the connecting link of monitoring gas outlet.
3. leakage detection apparatus as claimed in claim 1, it is characterized in that, described front gasket ring and tail gasket ring are polyurethane material.
4. leakage detection apparatus as claimed in claim 1, it is characterized in that, described tail end clamping device also comprises afterbody frame, described tail gas cylinder is fixedly installed on afterbody top of the trellis, the piston rod of described tail gas cylinder is connected with tail location-plate through the pilot hole of the orienting lug be arranged on afterbody frame, described piston rod is provided with guide groove, described orienting lug is provided with pilot pin bar corresponding with it.
5. leakage detection apparatus as claimed in claim 1, it is characterized in that, described pressure arm is L shape, and the compression point of described pressure arm and the head flanges of gas outlet is positioned at register pin place.
6. leakage detection apparatus as claimed in claim 1, it is characterized in that, described back-up block is spaced two, and is respectively arranged with the V-arrangement locating slot of upper shed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852633.0U CN204439308U (en) | 2014-12-29 | 2014-12-29 | The leakage detection apparatus of automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852633.0U CN204439308U (en) | 2014-12-29 | 2014-12-29 | The leakage detection apparatus of automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439308U true CN204439308U (en) | 2015-07-01 |
Family
ID=53607161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420852633.0U Expired - Fee Related CN204439308U (en) | 2014-12-29 | 2014-12-29 | The leakage detection apparatus of automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222966A (en) * | 2015-10-14 | 2016-01-06 | 重庆民发汽车配件有限责任公司 | A kind of air type exhaust manifold air-tightness detection tool |
| CN106482905A (en) * | 2016-11-28 | 2017-03-08 | 无锡特恒科技有限公司 | Pipe sealing tester |
| CN110202531A (en) * | 2019-06-25 | 2019-09-06 | 中电工业互联网有限公司 | A kind of exhaust pipe automatic turning device |
-
2014
- 2014-12-29 CN CN201420852633.0U patent/CN204439308U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222966A (en) * | 2015-10-14 | 2016-01-06 | 重庆民发汽车配件有限责任公司 | A kind of air type exhaust manifold air-tightness detection tool |
| CN106482905A (en) * | 2016-11-28 | 2017-03-08 | 无锡特恒科技有限公司 | Pipe sealing tester |
| CN110202531A (en) * | 2019-06-25 | 2019-09-06 | 中电工业互联网有限公司 | A kind of exhaust pipe automatic turning device |
| CN110202531B (en) * | 2019-06-25 | 2024-05-28 | 中电工业互联网有限公司 | Automatic turning device of blast pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |