CN104880288B - Turbine box assembly method for conducting leak test - Google Patents

Turbine box assembly method for conducting leak test Download PDF

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Publication number
CN104880288B
CN104880288B CN201510332071.6A CN201510332071A CN104880288B CN 104880288 B CN104880288 B CN 104880288B CN 201510332071 A CN201510332071 A CN 201510332071A CN 104880288 B CN104880288 B CN 104880288B
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China
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turbine box
gas
outlet
import
reversal valve
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CN201510332071.6A
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Chinese (zh)
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CN104880288A (en
Inventor
刘晓东
陈预宾
曾国卫
陈文刚
王益堂
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湖南天雁机械有限责任公司
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Publication of CN104880288A publication Critical patent/CN104880288A/en
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Abstract

A kind of turbine box assembly method for conducting leak test and device, the sealing of turbine box assembly is detected by turbine box seal assembly detection means, during detection, exit seal plug in detection means, import seal plug and base are by the outlet of turbine box, import and core end closure of openings, the inner chamber of turbine box is set to form the space of a closing, then the inner chamber of turbine box is inflated, with the gas flow inside gas flowmeter detection turbine box, detection data directly can be read from the display unit of gas flowmeter, if turbine box assembly gas-tight, turbine box internal gas does not flow, the display unit of gas flowmeter is shown as zero, if there is gas leakage at deflation valve, then the detection numerical value of gas flowmeter is identical with quantity of gas leakage, it can judge whether turbine box assembly sealing is qualified by detecting numerical value.

Description

Turbine box assembly method for conducting leak test

Technical field

The present invention relates to turbo-charger technical field, particularly a kind of side detected to turbine box assembly sealing Method and device.

Background technology

Turbocharger is widely used to the fields such as commercial car, passenger car, engineering machinery and blower fan.Supercharging technology is not only Improve the utilization rate of the energy and be highlands recover engine power important channel.How turbocharger is improved Efficiency is gradually paid close attention to by people.The efficiency of turbocharger is by turbine efficiency, compressor efficiency and mechanical efficiency three parts Composition.

Wherein turbine efficiency and the sealing of turbine box assembly is closely related, determines the key of turbine box assembly sealing It is assembly technology quality, assembly technology includes the riveted of deflation valve and shift fork, the welding of axle sleeve and rotary shaft, axle sleeve and biography The riveted of moving axis.Wherein the riveted of deflation valve and shift fork must be firm, it is impossible to inclined riveting, so just can guarantee that vent valve door is bonded Valve hole, otherwise air leakage will greatly increase, in addition the roughness of binding face be also influence air leakage a key factor.

In view of the above-mentioned problems, simply the processing technology of deflation valve, valve binding face, axle sleeve and power transmission shaft is carried out at present Control and inspection, but whether turbine box assembly can integrally get a desired effect and (specifically refer to whether turbine box assembly integrally leaks Gas and air leakage size), do not have clear and definite a standard and detection means at present.

The content of the invention

The purpose of the present invention is overcome the deficiencies in the prior art, and provides and a kind of turbine box assembly sealing is detected Method and device, overall leakage rate of turbine box assembly that it is used to detecting after assembling, after judging the assembling of turbine box assembly It is whether qualified.

The technical scheme is that:A kind of turbine box assembly method for conducting leak test, is examined by turbine box seal assembly Device is surveyed to detect the sealing of turbine box assembly, its concrete operation step is as follows:

A, the base in turbine box seal assembly detection means, exit seal cylinder, import sealing cylinder and pulling force cylinde On workbench, the core end opening of turbine box is connected with base, the import seal plug pair on import sealing cylinder Import on quasi- turbine box, the outlet on exit seal plug alignment turbine box on exit seal cylinder, in detection means Steel wire rope is connected with the rocking arm in turbine box assembly;

B, the first reversal valve is closed, the second pressure regulator valve, the second reversal valve, the 3rd reversal valve and the 4th reversal valve is opened, beats Open gas source valve and connect gas circuit, now the first reversal valve is closed, unaerated inside turbine box, exit seal cylinder quilt Air-flow promotes generation action, and then exit seal plug is pushed into the outlet of turbine box, the outlet of turbine box is closed, import Sealing cylinder promotes generation action by air-flow, and then import seal plug is pushed into the import of turbine box, by entering for turbine box Mouth closing, and turbine box is pressed on base by import seal plug;

C, the second pressure regulator valve is adjusted, rocking arm is controlled by steel wire rope, deflation valve is fitted tightly over the deflation of turbine box On valve hole, now sealing state is in inside turbine box;

D, the first reversal valve is opened, air accumulator, to turbine box inner inflatable, then is adjusted the first pressure regulator valve and make to fill by tracheae Gas air pressure keeps stable;

E, the gas flow inside gas flowmeter detection turbine box, detection data can be directly from the display of gas flowmeter Read on unit, if turbine box assembly gas-tight, turbine box internal gas do not flow, the display unit of gas flowmeter shows Zero is shown as, if there is gas leakage at deflation valve, the detection numerical value of gas flowmeter is identical with quantity of gas leakage, can pass through inspection Survey numerical value and judge whether turbine box assembly sealing is qualified.

When detection means uses controller and whether qualified alarm lamp auxiliary judgment turbine box assembly sealing property, gas Flowmeter will detect data and pass to controller, and controller will detect data compared with the interior gas flow predetermined value set, When detection data are less than or equal to gas flow predetermined value, controller does not send instruction or signal, alarm lamp do not work, and represents turbine Box assembly sealing is qualified, and when detection data are more than gas flow predetermined value, controller sends electric signal control to alarm lamp Alarm lamp flashes, and represents that turbine box assembly sealing is unqualified.

The turbine box assembly device for detecting sealability that the above method uses, including source of the gas, contaminant filter, air accumulator, the One reversal valve, the first pressure regulator valve, the pressure sensor with display unit, the gas flowmeter with display unit, base, second are changed To valve, exit seal cylinder, exit seal plug, the 3rd reversal valve, import sealing cylinder, import seal plug, the second pressure regulation Valve, the 4th reversal valve, pulling force cylinde, the pulling force sensor with display unit, steel wire rope.

The outlet side of source of the gas is connected by tracheae with the inlet end of contaminant filter, and the outlet side of contaminant filter passes through gas Pipe is connected with the inlet end of air accumulator, and the outlet side of air accumulator is connected by tracheae with the inlet end of the first reversal valve, and first changes Connected to the outlet side of valve by tracheae with the first pressure regulator valve inlet end, the first pressure regulator valve outlet side is aobvious with band respectively by tracheae Show the inlet end connection of the inlet end of the pressure sensor of unit and the gas flowmeter with display unit, the gas with display unit The outlet side of flowmeter body is connected by tracheae with the air inlet of base;

The outlet side of source of the gas is connected by tracheae with the inlet end of the second reversal valve, and the second reversal valve outlet side passes through tracheae Connected with exit seal cylinder intake end, exit seal plug is connected on the piston rod of exit seal cylinder;

The outlet side of source of the gas is connected by tracheae with the inlet end of the 3rd reversal valve, and the outlet side of the 3rd reversal valve passes through gas Pipe is connected with the inlet end of import sealing cylinder, and import seal plug is connected on the piston rod of import sealing cylinder;

The outlet side of source of the gas is connected by tracheae with the inlet end of the second pressure regulator valve, and the outlet side of the second pressure regulator valve passes through gas The reversal valve inlet ends of Guan Yu tetra- are connected, and the outlet side of the 4th reversal valve is connected by tracheae with the inlet end of pulling force cylinde, band The pulling force sensor of display unit is connected on the piston rod of pulling force cylinde, and steel wire rope one end is connected with pulling force sensor.

The further scheme of the present invention is that controller and alarm lamp are had additional on the gas flowmeter with display unit, control One end of device processed is connected with the gas flowmeter with display unit, and the other end is connected with alarm lamp.

The present invention has the following advantages that compared with prior art:

Sealed by import of some seal members to turbine box in turbine box assembly, outlet and core end opening. Even if turbine box is in sealing state, then is inflated by the intake interface on base into turbine box, measured by measurement assembly And leakage rate is shown, and then can determine whether turbine box assembly is qualified after riveted, welding and assembling.

Below in conjunction with figure, the invention will be further described with embodiment.

Brief description of the drawings

Accompanying drawing 1 is the structural representation of turbine box seal assembly detection means;

Accompanying drawing 2 is use state diagram;

Accompanying drawing 3 is view when exit seal cylinder seal turbine box exports;

Accompanying drawing 4 is view when import sealing cylinder seals turbine box import.

Embodiment

A kind of turbine box assembly method for conducting leak test, turbine box group is detected by turbine box seal assembly detection means The sealing of part, its concrete operation step are as follows:

A, the base 8 in turbine box seal assembly detection means, exit seal cylinder 10, import sealing cylinder 13 and pulling force Cylinder 17 is arranged on workbench 22, and the core end opening 23-2 of turbine box 23 is connected with base 8, on import sealing cylinder 13 Import seal plug 14 be directed at import 23-1 on turbine box 23, the exit seal plug 11 on exit seal cylinder 10 is aligned Outlet 23-3 on turbine box 23, the steel wire rope 19 in detection means are connected with the rocking arm 24 in turbine box assembly;

B, the first reversal valve 4 is closed, opens the second pressure regulator valve 15, the second reversal valve 9, the 3rd reversal valve 12 and the 4th commutation Valve 16, open the valve of source of the gas 1 and connect gas circuit, now the first reversal valve 4 is closed, and the inside unaerated of turbine box 23, is gone out Mouth sealing cylinder 10 promotes generation action by air-flow, and then exit seal plug 11 is pushed into the outlet 23-3 of turbine box 23, The outlet 23-3 of turbine box 23 to be closed, import sealing cylinder 13 promotes generation to act by air-flow, and then by import seal plug In the import 23-1 of 14 push-in turbine boxes 23, the import 23-1 of turbine box 23 is closed, and by import seal plug 14 by whirlpool Roller box 23 is pressed on base 8;

C, the second pressure regulator valve 15 is adjusted, rocking arm 24 is controlled by steel wire rope 19, deflation valve 25 is fitted tightly over turbine On the vent valve aperture of door of case 23, now the inside of turbine box 23 is in sealing state;

D, the first reversal valve 4 is opened, air accumulator 3, to the inner inflatable of turbine box 23, then adjusts the first pressure regulator valve 5 by tracheae Inner gas pressure is set to keep stable;

E, gas flowmeter 7 detects the gas flow inside turbine box 23, and detection data can be directly from gas flowmeter 7 Read on display unit 7-1, if turbine box assembly gas-tight, the internal gas of turbine box 23 does not flow, gas flowmeter 7 Display unit 7-1 is shown as zero, if there is gas leakage at deflation valve 25, detection numerical value and the gas of gas flowmeter 7 are let out Leakage quantity is identical, can judge whether turbine box assembly sealing is qualified by detecting numerical value.

When detection means uses controller 20 and the whether qualified auxiliary judgment turbine box assembly sealing property of alarm lamp 21, Gas flowmeter 7 will detect data and pass to controller 20, and controller 20 will detect data and the interior gas flow predetermined value set It is compared, when detection data are less than or equal to gas flow predetermined value, controller 20 does not send instruction or signal, alarm lamp 21 Do not work, represent that turbine box assembly sealing is qualified, when detecting data and being more than gas flow predetermined value, controller is to alarm lamp 21 Electric signal control alarm lamp flicker is sent, represents that turbine box assembly sealing is unqualified.

The turbine box assembly device for detecting sealability that the above method uses is as shown in Figure 1, including source of the gas 1, contaminant filter 2nd, air accumulator 3, the first reversal valve 4, the first pressure regulator valve 5, the pressure sensor 6 with display unit 6-1, with display unit 7-1's Gas flowmeter 7, base 8, the second reversal valve 9, exit seal cylinder 10, exit seal plug 11, the 3rd reversal valve 12, import Sealing cylinder 13, import seal plug 14, the second pressure regulator valve 15, the 4th reversal valve 16, pulling force cylinde 17, band display unit 18-1 Pulling force sensor 18, steel wire rope 19.

The outlet side of source of the gas 1 is connected by tracheae with the inlet end of contaminant filter 2, and the outlet side of contaminant filter 2 leads to The inlet end that tracheae is crossed with air accumulator 3 is connected, and the outlet side of air accumulator 3 is connected by tracheae with the inlet end of the first reversal valve 4, The outlet side of first reversal valve 4 is connected by tracheae with the inlet end of the first pressure regulator valve 5, and the outlet side of the first pressure regulator valve 5 passes through tracheae The inlet end of gas flowmeter 7 with the inlet end of the pressure sensor 6 with display unit 6-1 and with display unit 7-1 respectively Connection, the outlet side of the gas flowmeter 7 with display unit 7-1 is connected by tracheae with the air inlet of base 8;

The outlet side of source of the gas 1 is connected by tracheae with the inlet end of the second reversal valve 9, and the outlet side of the second reversal valve 9 passes through Tracheae is connected with the inlet end of exit seal cylinder 10, and exit seal plug 11 is connected on the piston rod of exit seal cylinder 10;

The outlet side of source of the gas 1 is connected by tracheae with the inlet end of the 3rd reversal valve 12, the outlet side of the 3rd reversal valve 12 Connected by tracheae with the inlet end of import sealing cylinder 13, import seal plug 14 is connected to the piston of import sealing cylinder 13 On bar;

The outlet side of source of the gas 1 is connected by tracheae with the inlet end of the second pressure regulator valve 15, the outlet side of the second pressure regulator valve 15 Connected by tracheae with the inlet end of the 4th reversal valve 16, the outlet side of the 4th reversal valve 16 is entered by tracheae and pulling force cylinde 17 Gas end is connected, and the pulling force sensor 18 with display unit 18-1 is connected on the piston rod of pulling force cylinde 17, the one end of steel wire rope 19 It is connected with pulling force sensor 18.

The further scheme of the present embodiment is that controller 20 and report are had additional on the gas flowmeter 7 with display unit 7-1 Warning lamp 21, one end of controller 20 are connected with the gas flowmeter 7 with display unit 7-1, and the other end is connected with alarm lamp 21.

Claims (2)

1. a kind of turbine box assembly method for conducting leak test, it is characterized in that:Detected by turbine box seal assembly detection means The sealing of turbine box assembly, its concrete operation step are as follows:
A, the base in turbine box seal assembly detection means, exit seal cylinder, import sealing cylinder and pulling force cylinde installation On workbench, the core end opening of turbine box is connected with base, the import seal plug alignment whirlpool on import sealing cylinder Import on roller box, the outlet on exit seal plug alignment turbine box on exit seal cylinder, the steel wire in detection means Rope is connected with the rocking arm in turbine box assembly;
B, the first reversal valve is closed, opens the second pressure regulator valve, the second reversal valve, the 3rd reversal valve and the 4th reversal valve, opens gas Source valve connects gas circuit, and now the first reversal valve is closed, and unaerated inside turbine box, exit seal cylinder is by air-flow Generation action is promoted, and then exit seal plug is pushed into the outlet of turbine box, the outlet of turbine box is closed, import sealing Cylinder promotes generation action by air-flow, and then import seal plug is pushed into the import of turbine box, and the import of turbine box is sealed Close, and turbine box is pressed on base by import seal plug;
C, the second pressure regulator valve is adjusted, rocking arm is controlled by steel wire rope, deflation valve is fitted tightly over the deflation valve of turbine box Kong Shang, now it is in sealing state inside turbine box;
D, the first reversal valve is opened, air accumulator, to turbine box inner inflatable, then is adjusted the first pressure regulator valve and make inflating air by tracheae Pressure keeps stable;
E, the gas flow inside gas flowmeter detection turbine box, detection data can be directly from the display unit of gas flowmeter Upper reading, if turbine box assembly gas-tight, turbine box internal gas do not flow, the display unit of gas flowmeter is shown as Zero, if there is gas leakage at deflation valve, the detection numerical value of gas flowmeter is identical with quantity of gas leakage, can pass through testing number Value judges whether turbine box assembly sealing is qualified;
Described turbine box assembly device for detecting sealability includes source of the gas, contaminant filter, air accumulator, the first reversal valve, first Pressure regulator valve, the pressure sensor with display unit, the gas flowmeter with display unit, base, the second reversal valve, exit seal Cylinder, exit seal plug, the 3rd reversal valve, import sealing cylinder, import seal plug, the second pressure regulator valve, the 4th reversal valve, Pulling force cylinde, the pulling force sensor with display unit, steel wire rope;
The outlet side of source of the gas is connected by tracheae with the inlet end of contaminant filter, the outlet side of contaminant filter by tracheae with The inlet end connection of air accumulator, the outlet side of air accumulator are connected by tracheae with the inlet end of the first reversal valve, the first reversal valve Outlet side connected by tracheae with the first pressure regulator valve inlet end, the first pressure regulator valve outlet side is single with band display respectively by tracheae The connection of the inlet end of the inlet end of the pressure sensor of member and the gas flowmeter with display unit, the gas stream with display unit The outlet side of gauge is connected by tracheae with the air inlet of base;
The outlet side of source of the gas is connected by tracheae with the inlet end of the second reversal valve, and the second reversal valve outlet side is by tracheae with going out The inlet end connection of mouth sealing cylinder, exit seal plug are connected on the piston rod of exit seal cylinder;
The outlet side of source of the gas is connected by tracheae with the inlet end of the 3rd reversal valve, the outlet side of the 3rd reversal valve by tracheae with The inlet end connection of import sealing cylinder, import seal plug are connected on the piston rod of import sealing cylinder;
The outlet side of source of the gas is connected by tracheae with the inlet end of the second pressure regulator valve, the outlet side of the second pressure regulator valve by tracheae with 4th reversal valve inlet end is connected, and the outlet side of the 4th reversal valve is connected by tracheae with the inlet end of pulling force cylinde, band display The pulling force sensor of unit is connected on the piston rod of pulling force cylinde, and steel wire rope one end is connected with pulling force sensor.
2. a kind of turbine box assembly method for conducting leak test according to claim 1, it is characterized in that:Gas with display unit Controller and alarm lamp are had additional on flowmeter body, one end of controller is connected with the gas flowmeter with display unit, another End is connected with alarm lamp;
When detection means uses controller and whether qualified alarm lamp auxiliary judgment turbine box assembly sealing property, gas flow Detection data are passed to controller by meter, and controller will detect data compared with the interior gas flow predetermined value set, work as inspection When survey data are less than or equal to gas flow predetermined value, controller does not send instruction or signal, alarm lamp do not work, and represents turbine box group Part sealing is qualified, and when detection data are more than gas flow predetermined value, controller sends electric signal control alarm to alarm lamp Lamp flashes, and represents that turbine box assembly sealing is unqualified.
CN201510332071.6A 2015-06-16 2015-06-16 Turbine box assembly method for conducting leak test CN104880288B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105352676B (en) * 2015-09-29 2017-11-10 北京理工大学 A kind of supercharger air compressor and turbine gas leakage measuring method
CN106248319B (en) * 2016-08-30 2019-03-26 江苏风和医疗器材股份有限公司 Puncture outfit air-tightness detection method
CN106500977B (en) * 2016-10-20 2019-03-22 安徽会合智能设备有限公司 A kind of turbocharger detection test method
CN106289756B (en) * 2016-10-20 2019-03-22 安徽会合智能设备有限公司 A kind of turbocharger detection testing equipment and its method
CN106568585B (en) * 2016-10-20 2019-08-16 安徽会合智能设备有限公司 A kind of turbocharger Detecting data
CN106768700A (en) * 2016-12-06 2017-05-31 广州市先河技术工程有限公司 A kind of capacitor air-tightness detection method
CN109357821A (en) * 2017-01-03 2019-02-19 东莞理工学院 A kind of aeration type engine cylinder body detection machine

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Publication number Priority date Publication date Assignee Title
CN1161595C (en) * 2002-01-28 2004-08-11 北京理工大学 Platform for detecting leakage of pressurizing device
CN101476966B (en) * 2009-01-23 2011-12-14 黄若 Air leakage measuring apparatus and method for turbocharger
US8661876B2 (en) * 2011-05-06 2014-03-04 General Electric Company Apparatus, system, and method for testing a turbocharger
CN202264064U (en) * 2011-09-21 2012-06-06 浙江凌翔科技有限公司 Automatic assembly detector for volute of automotive turbocharger
CN103267618B (en) * 2013-05-21 2015-08-19 中国人民解放军总参谋部工程兵第四设计研究院 Protection airtight unit airtight performance proving installation and method of testing thereof
DE102013209786B3 (en) * 2013-05-27 2014-01-16 Bayerische Motoren Werke Aktiengesellschaft Method for testing tightness of internal combustion engine prior to initial operation of vehicle, involves providing seal in unused state of supercharger and destroyed due to high temperatures of exhaust gas while operating supercharger
CN204027791U (en) * 2014-07-29 2014-12-17 江苏神通阀门股份有限公司 A kind of air-valve leakage test device
CN104502038B (en) * 2014-12-18 2017-06-13 清华大学 A kind of measuring system and method for seal contact interface released gas rate

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