CN104227607A - Exhaust pipe leakage check clamping tool - Google Patents
Exhaust pipe leakage check clamping tool Download PDFInfo
- Publication number
- CN104227607A CN104227607A CN201410465462.0A CN201410465462A CN104227607A CN 104227607 A CN104227607 A CN 104227607A CN 201410465462 A CN201410465462 A CN 201410465462A CN 104227607 A CN104227607 A CN 104227607A
- Authority
- CN
- China
- Prior art keywords
- clamp body
- screw
- clamping tool
- blast pipe
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to an exhaust pipe leakage check clamping tool, comprising a vertical column and a clamping tool body, wherein the clamping tool body is fixed on the upper end of the vertical column; a clamping device is fixedly arranged on the middle part at the left side of the clamping tool body; clamping devices are respectively fixedly arranged on the front part and the rear part at the right side of the clamping tool body, so that an exhaust pipe is tightly clamped in many directions, therefore the troubles of clamping and positioning, caused by the unique shape structure of the exhaust pipe, are prevented; a plugging device is fixedly arranged on the middle part at the right side of the clamping tool body; a support positioning device is arranged on the middle part at the upper end of the clamping tool body. The exhaust pipe leakage check clamping tool has the advantages of convenience in installation and positioning, reasonable structure design, high automation degree and the like, can quickly clamp and position automobile exhaust pipes, improves the clamping and positioning efficiency, saves the labor and guarantees the sealing performance of sealed places; according to the exhaust pipe leakage check clamping tool, the flexibility in the motion process is increased, and the traditional rigid motion is replaced, so that a good protection effect on moving members is achieved.
Description
Technical field
The present invention relates to the performing leak test auxiliary equipment of automobile exhaust pipe, specifically a kind of blast pipe leak test fixture.
Background technology
Automobile exhaust bellows is also known as automobile exhaust pipe flexible pipe, and it is installed in the blast pipe between engine exhaust branch pipe and silencer, makes whole gas extraction system be Flexible spacecraft, thus plays vibration and noise reducing, the convenient effect of installing and extending the exhausting silencer system life-span.It is mainly used in Light-duty Vehicle, minicar and passenger vehicle, and its structure covers wire sets outside double-ply bellows, and the structure of two ends straight section overcoat snap ring, for making soundproof effect better, bellows interior can join telescopic joint or net.Material: main material is stainless steel SUS304, and cutting ferrule and adapter material can be stainless steel or aluminum-plated steel.Blast pipe manufacturer, in the production process of blast pipe, needs to test the sealing property of blast pipe, to guarantee the quality of product.And the effect of blast pipe 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 blast pipe to complete clamping, cause erroneous judgement, have influence on the qualification rate of product.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of install location easily, reasonable in design, automaticity is high, can realize locating automobile exhaust pipe quick-clamping and guaranteeing the device of sealing place sealing property, i.e. a kind of blast pipe leak test fixture.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of blast pipe leak test fixture, comprise column and clamp body, described clamp body is fixed on the upper end of column, right front, the rear portion, right side of described clamp body left side central portion and clamp body are all installed with clamping device, to realize the multi-faceted clamping to blast pipe, thus the trouble that the configuration avoiding blast pipe uniqueness brings to Set and Positioning, the right side central of described clamp body is installed with plugging device, and the upper center of described clamp body is provided with supporting and positioning device.Blast pipe to be detected is positioned at after on supporting and positioning device, start clamping device to clamp blast pipe, then start plugging device the main escape pipe of blast pipe is blocked, like this can from gas external equipment injecting in the near closed hollow ring that supporting and positioning device, blast pipe are formed certain pressure, whether qualifiedly whether change by detection gas pressure the sealing judging blast pipe, detect location quick, easy to setup.
Described clamping device comprises cylinder one, screw one, nut one, connecting rod, screw two, pressing plate, rocking bar, screw three, support bar and nut two, described cylinder one is fixed on the downside of clamp body by screw one, lower end and the cylinder one of described connecting rod are threaded connection, described nut one is threaded connection with the middle part of connecting rod, one end of described pressing plate is hinged by the upper end of screw two with connecting rod, bottom and the clamp body of described support bar pass through threaded engagement, the lower end of described support bar utilizes nut two to fix, the lower end of described rocking bar and the upper end of support bar are hinged, the upper end of described rocking bar and the middle part of pressing plate are hinged by screw three, the other end of described pressing plate is positioned at the top of supporting and positioning device.Utilize cylinder one to drive and connecting rod move or moves down, thus make pressing plate, rocking bar swings up and down around support bar, to realize casting die or loose part; Adopt rocking bar can increase the flexibility of motion; the outer surface profile of blast pipe can be adapted to; guarantee the reliability clamped; also pressing plate, connecting rod and cylinder one is played a protective role simultaneously; add the flexibility in motion; to prevent the axle portion motion distortion of the cylinder one caused during the boss being pressed in blast pipe, ensure that the stability compressing motion.
Described plugging device comprises rubber blanket, screw four, plug, L-type bearing, bolt and cylinder two, the lower end of described L-type bearing is bolted on clamp body, described cylinder two is fixed on the top of L-type bearing, described plug is fixed on cylinder two, and described rubber blanket is fixed on plug by screw four.When the clamping of blast pipe location is complete, start cylinder two, promote the main escape pipe direction motion of plug towards blast pipe, until rubber blanket contacts and is pushed against on main escape pipe end face, realize shutoff, such supporting and positioning device, blast pipe can form near closed hollow ring, for performing leak test is ready.
Described supporting and positioning device comprises sealing ring, straight pin one, backing plate, rhombus pin and straight pin two, described backing plate is fixed on the middle part of clamp body, and located by straight pin two, described straight pin one is arranged on the right side of the upper end of backing plate, described rhombus pin is arranged on the left of the upper end of backing plate, and the upper end of described backing plate is provided with row's holding tank uniformly along the width of backing plate.Utilize straight pin one, rhombus pin positions blast pipe to be measured, thus clamping device can be coordinated to realize location to blast pipe, clamping, ensure that carrying out smoothly of performing leak test.
The quantity of described holding tank is four, described holding tank is followed successively by a holding tank, No. two holding tanks, No. three holding tanks, No. four holding tanks according to order from front to back, described sealing ring correspondence is arranged in a holding tank, No. two holding tanks, No. three holding tanks, No. four holding tanks, the center of described No. three holding tanks, No. four holding tanks is provided with injecting hole, and the bottom of described injecting hole is provided with taper thread hole.After blast pipe location, clamping, shutoff all complete, utilize the external gas injection pipeline in taper thread hole, from the gas injecting certain pressure in injecting hole in the near closed hollow ring that supporting and positioning device, blast pipe are formed, whether test gas pressure changes, thus judges that whether blast pipe sealing is qualified.
The invention has the beneficial effects as follows: the present invention has installation location convenience, reasonable in design and automaticity advantages of higher, can realize locating automobile exhaust pipe quick-clamping, improve the efficiency of Set and Positioning, save manpower, ensure that sealing place sealing property; Add the flexibility in motion process, instead of traditional rigid motion, thus good protective effect is served to moving component.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is backing plate internal structure schematic diagram of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
As shown in Figure 1 to Figure 3, a kind of blast pipe leak test fixture, comprise column 1 and clamp body 3, described clamp body 3 is fixed on the upper end of column 1, right front, the rear portion, right side of described clamp body 3 left side central portion and clamp body 3 are all installed with clamping device, to realize the multi-faceted clamping to blast pipe, thus the trouble that the configuration avoiding blast pipe uniqueness brings to Set and Positioning, the right side central of described clamp body 3 is installed with plugging device, and the upper center of described clamp body 3 is provided with supporting and positioning device.Blast pipe to be detected is positioned at after on supporting and positioning device, start clamping device to clamp blast pipe, then start plugging device the main escape pipe of blast pipe is blocked, like this can from gas external equipment injecting in the near closed hollow ring that supporting and positioning device, blast pipe are formed certain pressure, whether qualifiedly whether change by detection gas pressure the sealing judging blast pipe, detect location quick, easy to setup.
Described clamping device comprises cylinder 1, screw 1, nut 1, connecting rod 6, screw 27, pressing plate 8, rocking bar 9, screw 3 10, support bar 17 and nut 2 18, described cylinder 1 is fixed on the downside of clamp body 3 by screw 1, lower end and the cylinder 1 of described connecting rod 6 are threaded connection, described nut 1 is threaded connection with the middle part of connecting rod 6, one end of described pressing plate 8 is hinged by the upper end of screw 27 with connecting rod 6, bottom and the clamp body 3 of described support bar 17 pass through threaded engagement, the lower end of described support bar 17 utilizes nut 2 18 to fix, the lower end of described rocking bar 9 and the upper end of support bar 17 are hinged, the upper end of described rocking bar 9 and the middle part of pressing plate 8 are hinged by screw 3 10, the other end of described pressing plate 8 is positioned at the top of supporting and positioning device.Utilize cylinder 1 to drive on connecting rod 6 to move or move down, thus make pressing plate 8, rocking bar 9 swings up and down around support bar 17, to realize casting die or loose part; Adopt rocking bar 9 can increase the flexibility of motion; the outer surface profile of blast pipe can be adapted to; guarantee the reliability clamped; also pressing plate 8, connecting rod 6 and cylinder 1 are played a protective role simultaneously; add the flexibility in motion; to prevent the axle portion motion distortion of the cylinder 1 caused during the boss being pressed in blast pipe, ensure that the stability compressing motion.
Described plugging device comprises rubber blanket 12, screw 4 13, plug 14, L-type bearing 15, bolt 16 and cylinder 2 23, the lower end of described L-type bearing 15 is fixed on clamp body 3 by bolt 16, described cylinder 2 23 is fixed on the top of L-type bearing 15, described plug 14 is fixed on cylinder 2 23, and described rubber blanket 12 is fixed on plug 14 by screw 4 13.When the clamping of blast pipe location is complete, start cylinder 2 23, promote the main escape pipe direction motion of plug 14 towards blast pipe, until rubber blanket 12 contacts and is pushed against on main escape pipe end face, realize shutoff, such supporting and positioning device, blast pipe can form near closed hollow ring, for performing leak test is ready.
Described supporting and positioning device comprises sealing ring 11, straight pin 1, backing plate 20, rhombus pin 21 and straight pin 2 22, described backing plate 20 is fixed on the middle part of clamp body 3, and located by straight pin 2 22, described straight pin 1 is arranged on the right side of the upper end of backing plate 20, described rhombus pin 21 is arranged on the left of the upper end of backing plate 20, and the upper end of described backing plate 20 is provided with row's holding tank uniformly along the width of backing plate 20.Utilize straight pin 1, rhombus pin 21 positions blast pipe to be measured, thus clamping device can be coordinated to realize location to blast pipe, clamping, ensure that carrying out smoothly of performing leak test.
The quantity of described holding tank is four, described holding tank is followed successively by a holding tank 20c, No. two holding tank 20d, No. three holding tank 20e, No. four holding tank 20f according to order from front to back, described sealing ring 11 correspondence is arranged in a holding tank 20c, No. two holding tank 20d, No. three holding tank 20e, No. four holding tank 20f, the center of described No. three holding tank 20e, No. four holding tank 20f is provided with injecting hole 20a, and the bottom of described injecting hole 20a is provided with taper thread hole 20b.After blast pipe location, clamping, shutoff all complete, utilize the external gas injection pipeline of taper thread hole 20b, from the gas injecting certain pressure in injecting hole 20a in the near closed hollow ring that supporting and positioning device, blast pipe are formed, whether test gas pressure changes, thus judges that whether blast pipe sealing is qualified.
The course of work of the present invention is as follows:
First the gas injection pipeline of external equipment is connected on 20b place, taper thread hole, guarantee the sealing of junction, then blast pipe to be detected is utilized straight pin 1, rhombus pin 21 locates, and the lower surface of blast pipe is pressed on sealing ring 11, to guarantee the sealing of blast pipe inner chamber and backing plate 20 joint place; Start cylinder 1, promote connecting rod 6 moves, make pressing plate 8, rocking bar 9 around the rotation of support bar 17 flexibility, till on the outline being pressed on blast pipe until pressing plate 8, namely complete clamping; Then start cylinder 2 23, promote rubber blanket 12 and the main escape pipe place being against the blast pipe of blast pipe tightly, namely achieve shutoff; More than be preparation, after completing, air injection pipe road direction injecting hole 20a can be utilized to inject the gas of certain pressure, and test gas pressure can judge that whether the sealing of blast pipe is qualified fast.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a blast pipe leak test fixture, comprise column (1) and clamp body (3), described clamp body (3) is fixed on the upper end of column (1), it is characterized in that: right front, the rear portion, right side of described clamp body (3) left side central portion and clamp body (3) are all installed with clamping device, the right side central of described clamp body (3) is installed with plugging device, and the upper center of described clamp body (3) is provided with supporting and positioning device, described clamping device comprises cylinder one (2), screw one (4), nut one (5), connecting rod (6), screw two (7), pressing plate (8), rocking bar (9), screw three (10), support bar (17) and nut two (18), described cylinder one (2) is fixed on the downside of clamp body (3) by screw one (4), lower end and the cylinder one (2) of described connecting rod (6) are threaded connection, described nut one (5) is threaded connection with the middle part of connecting rod (6), one end of described pressing plate (8) is hinged by the upper end of screw two (7) with connecting rod (6), bottom and the clamp body (3) of described support bar (17) pass through threaded engagement, the lower end of described support bar (17) utilizes nut two (18) to fix, the lower end of described rocking bar (9) and the upper end of support bar (17) are hinged, the upper end of described rocking bar (9) and the middle part of pressing plate (8) are hinged by screw three (10), the other end of described pressing plate (8) is positioned at the top of supporting and positioning device.
2. a kind of blast pipe leak test fixture according to claim 1, it is characterized in that: described plugging device comprises rubber blanket (12), screw four (13), plug (14), L-type bearing (15), bolt (16) and cylinder two (23), the lower end of described L-type bearing (15) is fixed on clamp body (3) by bolt (16), described cylinder two (23) is fixed on the top of L-type bearing (15), described plug (14) is fixed on cylinder two (23), described rubber blanket (12) is fixed on plug (14) by screw four (13).
3. a kind of blast pipe leak test fixture according to claim 1, it is characterized in that: described supporting and positioning device comprises sealing ring (11), straight pin one (19), backing plate (20), rhombus pin (21) and straight pin two (22), described backing plate (20) is fixed on the middle part of clamp body (3), and located by straight pin two (22), described straight pin one (19) is arranged on the right side of the upper end of backing plate (20), described rhombus pin (21) is arranged on the left of the upper end of backing plate (20), the upper end of described backing plate (20) is provided with row's holding tank uniformly along the width of backing plate (20), the quantity of described holding tank is four, described holding tank is followed successively by a holding tank (20c) according to order from front to back, No. two holding tanks (20d), No. three holding tanks (20e), No. four holding tanks (20f), described sealing ring (11) correspondence is arranged on a holding tank (20c), No. two holding tanks (20d), No. three holding tanks (20e), in No. four holding tanks (20f), described No. three holding tanks (20e), the center of No. four holding tanks (20f) is provided with injecting hole (20a), the bottom of described injecting hole (20a) is provided with taper thread hole (20b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410465462.0A CN104227607A (en) | 2014-09-11 | 2014-09-11 | Exhaust pipe leakage check clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410465462.0A CN104227607A (en) | 2014-09-11 | 2014-09-11 | Exhaust pipe leakage check clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104227607A true CN104227607A (en) | 2014-12-24 |
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ID=52216968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410465462.0A Pending CN104227607A (en) | 2014-09-11 | 2014-09-11 | Exhaust pipe leakage check clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104227607A (en) |
Cited By (9)
| 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 |
| CN105628492A (en) * | 2016-03-25 | 2016-06-01 | 西南石油大学 | Test device for strength and seal property of oil well pipe under shear load |
| CN105806568A (en) * | 2016-03-25 | 2016-07-27 | 广西玉柴机器股份有限公司 | Leakage test tool for exhaust pipe |
| CN106271731A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | One is used for processing exhaust manifold side boss fixture |
| CN106271709A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | One is used for processing big fixture of exhaust manifold |
| CN106271732A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | A kind of exhaust manifold little flange face fixture for processing |
| CN106768658A (en) * | 2017-02-19 | 2017-05-31 | 无锡华利达金属制品有限公司 | A kind of bellows gas tightness testing machine |
| CN109108698A (en) * | 2018-10-31 | 2019-01-01 | 惠州典展五金制品有限公司 | Bearing cap Milling Process positioning device |
| CN110426164A (en) * | 2019-09-03 | 2019-11-08 | 长春近江汽车零部件有限公司 | A kind of airtight detecting apparatus and method |
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| CN203053644U (en) * | 2012-12-13 | 2013-07-10 | 重庆明利来科技有限公司 | Airtightness detecting and repairing clamp |
| CN103439057A (en) * | 2013-08-14 | 2013-12-11 | 江苏江旭铸造集团有限公司 | Pneumatic air-tight test device for water inlet pipe |
| CN103528766A (en) * | 2013-10-17 | 2014-01-22 | 重庆民发汽车配件有限责任公司 | Tool for detecting air tightness of exhaust pipe |
| CN203719837U (en) * | 2014-02-27 | 2014-07-16 | 天纳克陵川（重庆）排气系统有限公司 | Automobile silencer airtightness detection tool |
| CN203751755U (en) * | 2014-01-08 | 2014-08-06 | 济南汇弘科技有限公司 | Cylinder body hole rough-boring clamp |
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2014
- 2014-09-11 CN CN201410465462.0A patent/CN104227607A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1323415A (en) * | 1969-07-04 | 1973-07-18 | British United Shoe Machinery | Workpiece holding devices |
| US5679886A (en) * | 1995-12-21 | 1997-10-21 | Houston; James L. | Test head assembly for and method of testing heat exchanger components |
| CN201311337Y (en) * | 2008-06-26 | 2009-09-16 | 上海工业自动化仪表研究所 | Air-tightness check clamper of industrial product |
| CN203053644U (en) * | 2012-12-13 | 2013-07-10 | 重庆明利来科技有限公司 | Airtightness detecting and repairing clamp |
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| CN103528766A (en) * | 2013-10-17 | 2014-01-22 | 重庆民发汽车配件有限责任公司 | Tool for detecting air tightness of exhaust pipe |
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Cited By (10)
| 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 |
| CN105628492A (en) * | 2016-03-25 | 2016-06-01 | 西南石油大学 | Test device for strength and seal property of oil well pipe under shear load |
| CN105806568A (en) * | 2016-03-25 | 2016-07-27 | 广西玉柴机器股份有限公司 | Leakage test tool for exhaust pipe |
| CN105806568B (en) * | 2016-03-25 | 2018-08-24 | 广西玉柴机器股份有限公司 | A kind of exhaust pipe leakage test tool |
| CN106271731A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | One is used for processing exhaust manifold side boss fixture |
| CN106271709A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | One is used for processing big fixture of exhaust manifold |
| CN106271732A (en) * | 2016-08-25 | 2017-01-04 | 河南飞龙(芜湖)汽车零部件有限公司 | A kind of exhaust manifold little flange face fixture for processing |
| CN106768658A (en) * | 2017-02-19 | 2017-05-31 | 无锡华利达金属制品有限公司 | A kind of bellows gas tightness testing machine |
| CN109108698A (en) * | 2018-10-31 | 2019-01-01 | 惠州典展五金制品有限公司 | Bearing cap Milling Process positioning device |
| CN110426164A (en) * | 2019-09-03 | 2019-11-08 | 长春近江汽车零部件有限公司 | A kind of airtight detecting apparatus and method |
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Application publication date: 20141224 |