CN203881500U - Air inlet pipe leakage testing device - Google Patents
Air inlet pipe leakage testing device Download PDFInfo
- Publication number
- CN203881500U CN203881500U CN201420271625.7U CN201420271625U CN203881500U CN 203881500 U CN203881500 U CN 203881500U CN 201420271625 U CN201420271625 U CN 201420271625U CN 203881500 U CN203881500 U CN 203881500U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- draft tube
- pneumatic valve
- air inlet
- inlet pipe
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an air inlet pipe leakage testing device which is characterized in that: a base is provided with a clamping bracket; a fixing bracket is used for fixing a sealing mechanism for the air outlet of the air inlet pipe and a clamping mechanism for one side surface of the air inlet pipe; the sealing mechanism is used for the air inlet and the air outlet of the air inlet pipe; and the air inlet pipe leakage testing device comprises a pneumatic control valve which is communicated with the inner chamber of the air inlet pipe, a leakage testing instrument which detects air pressure change in the air inlet pipe, and a control system which is in communication connection with the leakage testing instrument. The air inlet pipe leakage testing device has functions of: satisfying leakage testing sealing requirement of a plurality of engine air inlet pipes, saving labor and improving production efficiency. The air inlet pipe leakage testing device further has advantages of: remarkable energy-saving and emission-reducing effect, high power increase function, high sealing performance, compact structure and attractive appearance.
Description
Technical field
The utility model relates to a kind of draft tube leak-checking apparatus, particularly a kind of draft tube leak-checking apparatus and installation method thereof of engine.
Background technology
The draft tube of engine has very strict requirement to impermeability, in production run, for fear of draft tube unacceptable product, enter subsequent processing, before assembling, need the draft tube test of leaking hunting, to analyze, to judge that whether draft tube exists the hidden danger of quality such as gas leakage, guarantees the qualification rate of finished product.Because the draft tube mouth of pipe is many, the area that need to seal while leaking hunting is large, therefore draft tube is when leaking hunting, with being manually sealed into that tracheae can be subject to the impact that draft tube packing surface is large, sealing station is many and the difficulty, time-consuming that causes operation has influence on the raising of production efficiency.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defect of the prior art, a kind of seal request that leaks hunting that can adapt to various engines draft tube is provided, install easily, saving of work and time, production efficiency is high, leak hunting accurately, saving that error rate is low artificial and a kind of draft tube leak-checking apparatus and the installation method thereof of enhancing productivity.
Technical solution of the present utility model is such, and a kind of draft tube leak-checking apparatus, comprises framework, side seal plate, gas outlet hydraulic cylinder, clamp backing plate, fixed support, clamping hydraulic cylinder, leak detector, the first Pneumatic valve, air intake hydraulic cylinder, alarm, electric control system, the second Pneumatic valve, end face seal pad, clamp bracket, cushion block, base, is characterized in that framework 1 mounting seat 17 above, fixed support 5, fixed support 5 is installed gas outlet hydraulic cylinder 3, clamping hydraulic cylinder 6, gas outlet hydraulic cylinder 3 is installed side seal pad 2, and clamping hydraulic cylinder 6 is installed and is clamped backing plate 4, and base 17 is installed cushion block 16 and mounting clamp locking bracket 15, side seal plate 2, clamp backing plate 4, cushion block 16, clamp bracket 15, between end face seal pad 13, detected member is installed---draft tube 14, and pipe laying, end face seal pad 13 has the second Pneumatic valve 12 above, and framework is equipped with leak detector 7 on 1 top, the first Pneumatic valve 8, and air intake hydraulic cylinder 9 is housed, alarm 10, alarm 10 connects electric control system 11, between air intake hydraulic cylinder 9 and end face seal pad 13, piston rod is housed, and draft tube 14 inner chambers are communicated with the second Pneumatic valve 12, the leak detector 7 that the first Pneumatic valve 8 and detection draft tube 14 internal gas pressures change, described leak detector 7 communication connection electric control systems 11, described sealing mechanism is gas outlet hydraulic cylinder 3 and the side seal plate 2 being arranged on described fixed support 5, the piston rod of described gas outlet hydraulic cylinder 3 is connected with described side seal plate 2, described clamp system is be arranged on the clamping hydraulic cylinder 6 on described fixed support 5 and clamp backing plate 4, the piston rod of described clamping hydraulic cylinder 6 is connected with described clamping backing plate 4, the sealing mechanism that is arranged at framework 1 top is air intake hydraulic cylinder 9 and end face seal pad 13, the piston rod of described air intake hydraulic cylinder 9 is connected with described end face seal pad 13, on described end face seal pad 13, be provided with the second Pneumatic valve 12, described the first Pneumatic valve 8 by the pipeline through described end face seal pad 13 successively with the second air valve 12, draft tube 14 air intakes communicate, the clamp bracket 15 that described base 17 arranges is fixed a side of draft tube 14 together with cushion block 16, fixed support 5 on described framework 1 bottom is for the fixing sealing mechanism of draft tube gas outlet, and the fixing clamp system of 14 1 sides of draft tube.
The top of described framework 1 is provided with leak detector 7, and leak detector 7 connects the first Pneumatic valve 8, and leak detector 7 is communicated with the second Pneumatic valve 12 on end face seal pad 13 by pipeline.
Compared with prior art, the utlity model has following beneficial effect:
Whether the inner chamber that 1, utilizes this leak-checking apparatus can measure draft tube there is gas leakage quality fault.
2, utilize end face and side seal plate to seal and can save a large amount of manually draft tube, and be convenient to clamp with hydraulic cylinder, thereby obtain better sealing effectiveness.
3, the clamp bracket that base arranges above can move and fix along the T-shaped groove in base, coordinates cushion block, contributes to improve the locating speed of draft tube on detection position, and then improves detection efficiency.
4, utilize seal pad to come draft tube to seal, can disposablely seal up same lip-deep most of position, thereby while having avoided draft tube to leak hunting, need to significantly adjust the technique to draft tube sealing, improve leak-checking apparatus to draft tube multitube mouth, adaptability that area is large.
5, utilize electric control system to control the action unification of all parts in leak-checking apparatus, contribute to accuracy of detection, control accuracy and the reaction velocity of raising equipment operation, reduce the flow process of leaking hunting whole man-hour, further increase work efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Reference numeral: framework 1, side seal plate 2, gas outlet hydraulic cylinder 3, clamping backing plate 4, fixed support 5, clamping hydraulic cylinder 6, leak detector 7, the first Pneumatic valve 8, air intake hydraulic cylinder 9, alarm 10, electric control system 11, the second Pneumatic valve 12, end face seal pad 13, draft tube 14, clamp bracket 15, cushion block 16, base 17.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but be to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Embodiment 1, and a kind of draft tube leak-checking apparatus comprises framework, is arranged on base, the fixed support of described base of frame, wherein, is provided with a clamp bracket on described base; Described fixed support is used for the fixedly sealing mechanism of draft tube gas outlet and the clamp system of a side of draft tube; Described sealing mechanism is the air intake of draft tube and the sealing mechanism of gas outlet; Described leak detecting device comprises the Pneumatic valve being communicated with draft tube inner chamber and detects the leak detector of draft tube inner chamber air pressure change and the control system communicating to connect with described leak detector.The clamp bracket of described base setting is fixed a side of draft tube together with cushion block.Fixed support in described base of frame is for the fixing sealing mechanism of draft tube gas outlet, and the fixing clamp system of a side of draft tube.Described draft tube gas outlet sealing mechanism comprises gas outlet hydraulic cylinder and the side seal plate being arranged on described fixed support, and the piston rod of described gas outlet hydraulic cylinder is connected with described side seal plate.Described clamp system comprises clamping hydraulic cylinder and the clamping backing plate being arranged on described fixed support, and the piston rod of described clamping hydraulic cylinder is connected with described clamping backing plate.The sealing mechanism of described frame roof comprises air intake hydraulic cylinder and the end face seal pad that is arranged at frame roof, and the piston rod of described air intake hydraulic cylinder and described end face seal pad are connected.On described end face seal pad, be provided with a Pneumatic valve, described Pneumatic valve by through described end face seal pad pipeline communicate with draft tube air intake.The top of described framework is provided with a leak detector, and this leak detector is connected with a Pneumatic valve; Wherein leak detector is communicated with the Pneumatic valve on described end face seal pad by pipeline.Described control system is electric control system, all be electrically connected to described sealing mechanism and described clamp system, according to the test signal of described leak detector, control the action of described sealing mechanism and described clamp system, at described leak detector, output alarm signal when abnormal detected and stop the action of described draft tube leak-checking apparatus.In described control system, also comprise an alarm, when described control system output alarm signal, this alarm sends prompting.
Embodiment 2, and a kind of draft tube leak-checking apparatus as shown in Figure 1, comprises framework 1 and the base 17 and the fixed support 5 that are arranged on framework 1 bottom.Wherein, the clamp bracket 15 on base 17 can move and fix along the T-shaped groove of base 17, coordinates cushion block 16 realize fixing or unclamp draft tube 14.
On fixed support 5, be provided with the sealing mechanism of draft tube 14 gas outlets.The sealing mechanism of gas outlet is provided with a gas outlet hydraulic cylinder 3, and its piston rod is towards draft tube 14 directions, and the end of this piston rod is provided with a side seal plate 2, for being sealed into the gas outlet on tracheae 14.When the piston rod of gas outlet hydraulic cylinder 3 stretches out, can make side seal plate 2 be pressed on giving vent to anger on actinal surface of draft tube 14, thereby being pressed in, draft tube 14 leaks hunting on station; When this piston rod is retracted, can drive side seal plate 2 to unclamp being fixed and sealing draft tube 14.
On fixed support 5, be provided with the clamp system of a side of draft tube.This clamp system has a clamping hydraulic cylinder 6, and its piston rod is towards draft tube 14 directions, and the end of this piston rod is provided with one and clamps backing plate 4, for clamping draft tube 14.When the piston rod of clamping hydraulic cylinder 6 stretches out, can make to clamp on the side that backing plate 4 is pressed on draft tube 14, thereby being pressed in, draft tube 14 leaks hunting on station; When this piston rod is retracted, can drive clamping backing plate 4 to unclamp being fixed draft tube 14.
At framework 1 top, be provided with an air intake hydraulic cylinder 9, its piston rod, towards draft tube direction, is connected with the piston rod end of air intake hydraulic cylinder 9 above end face seal pad 13, for being sealed into the air intake of tracheae 14.When the piston rod of air intake hydraulic cylinder 9 stretches out, can make end face seal pad 13 be pressed on the air intake face of draft tube 14, thereby being pressed in, draft tube 14 leaks hunting on station; When this piston rod is retracted, can drive end face seal pad 13 to unclamp being fixed and sealing draft tube 14.
On end face seal pad 13, being provided with the second Pneumatic valve 12, the second Pneumatic valves 12 is connected with through the pipeline on end face seal pad 13.While leaking hunting, above-mentioned pipeline is communicated with the air intake of draft tube 14, thereby makes the second Pneumatic valve 12 and draft tube 14 intracavity inter-connections.
At the top of framework 1, be provided with leak detector 7, on leak detector 7, connect the first Pneumatic valve 8.Leak detector 7 is communicated with the second Pneumatic valve 12 by pipeline.When leaking hunting, numerical value falls in the air pressure that above-mentioned leak detector 7 detects draft tube 14 inner chambers.The first Pneumatic valve 8 and the second Pneumatic valve 12 are controlled leak detector 7 air-flow break-makes or air-flow size.
On framework 1, be provided with electric control system 11, this electric control system 11 is provided with an alarm 10.Electric control system 11 and above-mentioned leak detector 7 communication connections, gather the gas pressure drop signal of leak detector 7 outputs and analyze; Electric control system 11 is also all electrically connected to air intake hydraulic cylinder 9, gas outlet hydraulic cylinder 3, clamping hydraulic cylinder 6, controls the action of described each hydraulic cylinder.
During work, need first the through hole not reaching with each piece seal pad on draft tube 14 outside surfaces to be sealed with artificial, according to draft tube 14 profiles, select suitable cushion block 16, and fix after correct position along the T-shaped groove moving clip locking bracket 15 of base 17; Then clamping hydraulic cylinder 6, gas outlet hydraulic cylinder 3 starts, make to clamp backing plate 4, side seal plate 2 realize respectively to the top of draft tube 14 clamp, clamping and the sealing of the actinal surface of giving vent to anger.Meanwhile, air intake hydraulic cylinder 9 starts, and end face seal pad 13 is realized the air intake face of draft tube is clamped and sealing.So far, draft tube 14 clamps seal operation and completes, and has realized the object to draft tube bore seal.Then by the first Pneumatic valve 8, the second Pneumatic valve 12 and pipeline, in draft tube 14, be filled with pressurized air, while reaching set pressure, stop air feed and keep sealing state, numerical value falls in the air pressure that then leak detector 7 starts to detect in draft tube inner chamber, and this numerical value is converted to electric signal sends electric control system 11 to.11 pairs of above-said current signal of electric control system judge, if within the detection time of setting, the variation range that numerical value does not exceed setting falls in air pressure, thinks that draft tube 14 is air tight, conforms to quality requirements; If exceeded the variation range of setting, think draft tube 14 gas leakage, electric control system 11 can output signal to alarm 10, make it send alarm, and electric control system 11 is controlled each hydraulic cylinders and is quit work simultaneously.
Disclosed is above only more excellent specific embodiment of the present utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (2)
1. a draft tube leak-checking apparatus, comprise framework, side seal plate, gas outlet hydraulic cylinder, clamp backing plate, fixed support, clamping hydraulic cylinder, leak detector, the first Pneumatic valve, air intake hydraulic cylinder, alarm, electric control system, the second Pneumatic valve, end face seal pad, clamp bracket, cushion block, base, it is characterized in that framework (1) mounting seat (17) above, fixed support (5), fixed support (5) is installed gas outlet hydraulic cylinder (3), clamping hydraulic cylinder (6), gas outlet hydraulic cylinder (3) is installed side seal pad (2), clamping hydraulic cylinder (6) is installed and is clamped backing plate (4), base (17) is installed cushion block (16) and mounting clamp locking bracket (15), side seal plate (2), clamp backing plate (4), cushion block (16), clamp bracket (15), end face seal pad is installed detected member between (13)---draft tube (14), and pipe laying, end face seal pad (13) has the second Pneumatic valve (12) above, framework (1) is equipped with leak detector (7) on top, the first Pneumatic valve (8), with air intake hydraulic cylinder (9) is housed, alarm (10), alarm (10) connects electric control system (11), between air intake hydraulic cylinder (9) and end face seal pad (13), piston rod is housed, draft tube (14) inner chamber is communicated with the second Pneumatic valve (12), the leak detector (7) that the first Pneumatic valve (8) and detection draft tube (14) internal gas pressure change, described leak detector (7) communication connection electric control system (11), described sealing mechanism is for being arranged on gas outlet hydraulic cylinder (3) and the side seal plate (2) on described fixed support (5), the piston rod of described gas outlet hydraulic cylinder (3) is connected with described side seal plate (2), described clamp system is for being arranged on the clamping hydraulic cylinder (6) on described fixed support (5) and clamping backing plate (4), the piston rod of described clamping hydraulic cylinder (6) is connected with described clamping backing plate (4), the sealing mechanism that is arranged at framework (1) top is air intake hydraulic cylinder (9) and end face seal pad (13), the piston rod of described air intake hydraulic cylinder (9) is connected with described end face seal pad (13), on described end face seal pad (13), be provided with the second Pneumatic valve (12), described the first Pneumatic valve (8) by through the pipeline of described end face seal pad (13) successively with the second Pneumatic valve (12), draft tube (14) air intake communicates, the side that the clamp bracket (15) that described base (17) arranges and cushion block (16) are fixed draft tube (14) together, fixed support (5) on described framework (1) bottom is for the fixing sealing mechanism of draft tube gas outlet, and the fixing clamp system of (14) sides of draft tube.
2. a kind of draft tube leak-checking apparatus according to claim 1, the top that it is characterized in that described framework (1) is provided with leak detector (7), leak detector (7) connects the first Pneumatic valve (8), and leak detector (7) is communicated with the second Pneumatic valve (12) on end face seal pad (13) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271625.7U CN203881500U (en) | 2014-05-24 | 2014-05-24 | Air inlet pipe leakage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271625.7U CN203881500U (en) | 2014-05-24 | 2014-05-24 | Air inlet pipe leakage testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881500U true CN203881500U (en) | 2014-10-15 |
Family
ID=51681986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271625.7U Withdrawn - After Issue CN203881500U (en) | 2014-05-24 | 2014-05-24 | Air inlet pipe leakage testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115680A (en) * | 2015-09-30 | 2015-12-02 | 江苏奥力威传感高科股份有限公司 | Engine air inlet pipe air tightness test apparatus |
| CN104019949B (en) * | 2014-05-24 | 2017-05-10 | 广西玉柴机器股份有限公司 | Side leakage device for air inlet pipe |
-
2014
- 2014-05-24 CN CN201420271625.7U patent/CN203881500U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019949B (en) * | 2014-05-24 | 2017-05-10 | 广西玉柴机器股份有限公司 | Side leakage device for air inlet pipe |
| CN105115680A (en) * | 2015-09-30 | 2015-12-02 | 江苏奥力威传感高科股份有限公司 | Engine air inlet pipe air tightness test apparatus |
| CN105115680B (en) * | 2015-09-30 | 2017-10-17 | 江苏奥力威传感高科股份有限公司 | Engine air inlet tube test device for air tightness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |