CN105115680B - Engine air inlet tube test device for air tightness - Google Patents

Engine air inlet tube test device for air tightness Download PDF

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Publication number
CN105115680B
CN105115680B CN201510638092.0A CN201510638092A CN105115680B CN 105115680 B CN105115680 B CN 105115680B CN 201510638092 A CN201510638092 A CN 201510638092A CN 105115680 B CN105115680 B CN 105115680B
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China
Prior art keywords
air inlet
cylinder
inlet tube
double
engine air
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Application number
CN201510638092.0A
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Chinese (zh)
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CN105115680A (en
Inventor
蔡建
刘国强
徐晨
童叶青
陈川川
夏克峰
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江苏奥力威传感高科股份有限公司
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Publication of CN105115680A publication Critical patent/CN105115680A/en
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Abstract

The invention discloses the engine air inlet tube test device for air tightness in test device field, two supports are provided with its base, pedestal upper end is provided with lift cylinder through lift cylinder seat, the piston rod of lift cylinder extends downwardly from and is connected with gripping block, it is located on base below gripping block and is provided with clamping seats, half-arc groove is correspondingly provided between gripping block and the forward surface of clamping seats;Upright be provided with guide rail, guide rail is equipped with sliding block on support, and sliding block is connected to gripping block side;Respectively through being provided with single pole cylinder and double-rod cylinder in supporting plate on base, the piston rod end of single pole cylinder and double-rod cylinder is connected with closure;The other end of the piston rod of hollow double-rod cylinder is connected with gas-charging connection, and gas-charging connection is connected through check valve, air inlet electromagnetic valve with source of the gas, and pressure sensor is connected with the pipeline between check valve and gas-charging connection.The device can quick test engine air inlet pipe air-tightness, test speed is fast, and test result is accurate.

Description

Engine air inlet tube test device for air tightness

Technical field

The present invention relates to a kind of test device, more particularly to a kind of test device for air tightness of engine air inlet tube.

Background technology

In Chinese patent database, there are a kind of vapour-pressure type exhaust manifold air tightness test mechanism, its application number: 201510168172.4, the applying date:2015-04-11, publication number:104792478A, publication date:2015-07-22;The device bag Base, some fixation kits, some seal assemblies and test suite are included, any fixation kit includes support and fixture, support Including the body that is fixed on base and can the extrusome that stretches of opposing body, and fixture is fixedly arranged on extrusome, any Expansion link and be fixedly arranged on expansion link away from cylinder that seal assembly connects including the cylinder being fixedly arranged on base and cylinders The sealing plate of one end, sealing plate and exhaust manifold ferrule connection, test suite include air pump, surge tank, air inlet pipe with And pressure gauge, air pump is connected with surge tank, and air inlet pipe one end is connected with surge tank, and the other end is through any sealing plate and row Gas manifold is connected, and pressure gauge is arranged in air inlet pipe, for testing the air pressure in exhaust manifold.It is disadvantageous in that:Should Device is used for the exhaust manifold of test engine, and because exhaust manifold is the rigid pipe that metal material is made, it seals relatively simple Single, the design of fixture is also relatively easy, and the device cannot be used for the air-tightness of test engine air inlet pipe, main reason is that hair Motivation air inlet pipe is flexible flexible pipe, when it is tested, and mouth of pipe closing is difficult.

In the prior art, tested for engine air inlet tube frequently with hydraulic test method, its way is to air inlet Liquid is filled with pipe, its test speed is slow, it is impossible to meet the demand of high speed test.

The content of the invention

, can quick test engine it is an object of the invention to provide a kind of engine air inlet tube test device for air tightness The air-tightness of air inlet pipe.

The object of the present invention is achieved like this:A kind of engine air inlet tube test device for air tightness, including base, it is described Upright on base to be provided with two supports, pedestal upper end, which is horizontally disposed with, lift cylinder seat, is uprightly set respectively on lift cylinder seat Lift cylinder is equipped with, the lower end that the piston rod of lift cylinder is extended downwardly from is connected with gripping block, base below gripping block Provided with clamping seats, be correspondingly provided with half-arc groove between gripping block and the forward surface of clamping seats, the half-arc groove with it is to be tested The necking down at engine air inlet tube two ends is corresponding;Upright be provided with guide rail, guide rail is equipped with sliding block on support, the cunning Block is connected to gripping block side;Described be respectively arranged on the base with two pieces of supporting plates, one of supporting plate is provided with single pole Double-rod cylinder is installed in cylinder, another piece of supporting plate, the piston rod external part of single pole cylinder and the piston rod of double-rod cylinder One external part, which is connected on closure, closure, is provided with sealing gasket, and the sealing gasket enters with engine to be tested The two ends of tracheae are corresponding;The other end of the piston rod of double-rod cylinder is connected with gas-charging connection, during the piston rod of double-rod cylinder is Hollow structure, the corresponding closure of double-rod cylinder and sealing gasket are provided with passage, and the gas-charging connection is through check valve, air inlet electromagnetism Valve is connected with source of the gas, and pressure sensor is connected with the pipeline between check valve and gas-charging connection.

When engine air inlet tube is produced, necking down need to be provided at both ends with, the both sides of necking down are respectively equipped with convex shoulder, the structure On the one hand local strength can be increased, is easy to be connected, meanwhile, it has been also convenient for test;In addition, in the side of engine air inlet tube Flow sensor is installed, when engine works, flow sensor can send the signal of charge flow rate to car running computer.This hair During bright work, gripping block is lifted up by lift cylinder, then engine air inlet tube to be tested is put on clamping seats, Necking down is caught in the half-arc groove on clamping seats, then drive gripping block descending by lift cylinder, by engine to be tested Air inlet pipe is clamped, and completes fixation procedure.Then worked by single pole cylinder and double-rod cylinder, driving closure compresses to be tested The mouth of pipe at the two ends of engine air inlet tube, completes seal process.Then by air inlet electromagnetic valve and check valve to hair to be tested Inflated in motivation air inlet pipe, after the completion of inflation, air inlet electromagnetic valve is closed, and would know that by the feedback signal for observing pressure sensor Engine air inlet tube to be tested whether good seal;About 30 seconds/root of the speed of the device to test engine air inlet tube, it is surveyed The examination time is short, saves substantial amounts of manpower and materials, compared with prior art, and the beneficial effects of the present invention are it passes through lifting Cylinder drives gripping block and clamping seats quick clip to handle engine air inlet tube to be tested, meanwhile, can be by single pole cylinder and double The mouth of pipe of bar cylinder driving fast sealing engine air inlet tube to be tested, passes through the piston rod air inlet of double-rod cylinder so that hair There is no pipeline interference on the path that motivation air inlet pipe is removed and placed into, it is ensured that gas-charging connection will not interfere with engine to be tested Air inlet pipe is removed and placed into, in addition, the two ends of engine air inlet tube to be tested are not independent sealed, when single pole cylinder is corresponding Closure by flow sensor with that when the corresponding mouth of pipe departs from and the other end is constantly inflated, can test engine to be tested and enter The ventilation capacity of tracheae, by set of device, can test two kinds of different pieces of informations, its test speed is fast, and test result is accurate.Should Device is exclusively used in the air-tightness of test engine air inlet pipe, can also carry out flow rate test.

To ensure engine air inlet tube two ends good seal to be tested, being provided at both ends with for the half-arc groove is spacing Groove, the stopper slot is corresponding with the convex shoulder of the necking down both sides.Stopper slot pushes down the convex shoulder of necking down both sides from both sides so that treat The engine air inlet tube two ends mouth of pipe of test is clamped to be fixed, and does not result in deflection, fitted seal lid and sealing gasket, it is ensured that Good seal, is difficult leakage.

To be further accurately positioned on engine air inlet tube to be tested, the clamping seats positioned at the outer of semicircular arc groove Side, which is provided with the downside of two slots, gripping block, is correspondingly provided with two plug tenons, and the plug tenon can coordinate in the insertion slot just. By the cooperation of plug tenon and slot, gripping block and clamping seats can exactly be linked together, it is ensured that gripping block and clamping seats Realize and be fitted close with necking down and convex shoulder, it is to avoid it loosens, deflection, so as to ensure its accurate positioning, advantageously in sealing.

To ensure lift cylinder not by lateral forces, the piston-rod lower end of the lift cylinder is connected with T-shaped head, folder Tight block upper surface is connected with the T-slot that one-sided open is provided with contiguous block, contiguous block, and T-shaped head correspondence is caught in the T-slot In.T-shaped head can have certain move place in T-slot so that gripping block relies primarily on guide rail and sliding block is accurately led To, and lift cylinder lifting is acted on, it is to avoid lift cylinder is by lateral forces.On the one hand lift cylinder, the opposing party are protected Face reduces manufacture difficulty so that lift cylinder installation accuracy can be reduced suitably.

For reinforced support stability, the side between support and the lift cylinder seat is connected with each other through support gusset.

For the stability of further reinforced support, the support rear side is provided with support rear stay plate, and support rear stay plate lower end connects It is connected on base.

As a further improvement on the present invention, it is connected in the single pole cylinder and the corresponding supporting plate of double-rod cylinder Reinforcing plate, the corresponding reinforcing plate of the single pole cylinder has one piece and is connected to the supporting plate opposite side opposite with single pole cylinder;It is double The corresponding reinforcing plate of bar cylinder has two pieces and is separately positioned on double-rod cylinder both sides, and the reinforcing plate bottom is connected with base.Plus The setting of strong plate can increase the intensity of respective support plate, while not influenceing the arrangement of gas-charging connection and pipeline.

For protection flow sensor, it is to avoid dust, debris drop wherein, are connected with engine air inlet tube to be tested Bending baffle plate is connected with the corresponding gripping block of flow sensor, the L-shaped bending of bending baffle plate is simultaneously blocked in the stream Above quantity sensor.

Brief description of the drawings

Fig. 1 is three-dimensional structure diagram of the present invention.

Fig. 2 is top view of the invention.

Fig. 3 is the dimensional structure diagram of the present invention for removing lift cylinder.

Fig. 4 is the top view corresponding to Fig. 3.

Fig. 5 is the three-dimensional structure diagram of the present invention after further striking.

Fig. 6 is the exploded view of partial structurtes in Fig. 5.

Fig. 7 is engine air inlet tube and closure, the location diagram of sealing gasket at two ends.

Fig. 8 is engine air inlet tube exploded view.

Fig. 9 is left clamping seats structural representation.

Wherein, 1 gas-charging connection, 2 right support plates, 3 right reinforcing plates, 4 double-rod cylinders, 5 right closures, 6 right clamping seats, 6a, 9a, 7a, 15a half-arc groove, 6b, 9b slot, 7 right gripping blocks, 7b, 15b plug tenon, 8 bases, 9 left clamping seats, 9c stopper slots, 10 Left closure, 12 single pole cylinders, 13 left support plates, 14 left reinforcing plates, 15 left gripping blocks, 16 left contiguous blocks, 17 left sliders, 18 is left Guide rail, 19 left socles, 20 left socle gussets, 21 piston rods one, 22 left lift cylinder seats, 23 left lift cylinders, 24 T-shaped are first, 25 bending baffle plates, 26 right lift cylinders, 27 air inlet pipe, 27a, 27b necking down, 27c, 27d convex shoulder, 28 right lift cylinder seats, 29 is right Support gusset, 30 right supports, 31 piston rods two, 32 right guide rails, 33 right sliding blocks, 34 right contiguous blocks, 35T forming heads two, 36 pressure are passed Sensor, 37 check valves, 38 air inlet electromagnetic valves, 39 right support rear stay plates, 40 left socle rear stay plates, 41 flow sensors, 42 is left close Packing, 43 right sealing gaskets.

Embodiment

As shown in figs 1-9, it is engine air inlet tube test device for air tightness, including base 8, is uprightly provided with base 8 Two supports, respectively left socle 19 and right support 30.

The upper end of left socle 19, which is horizontally disposed with, left lift cylinder seat 22, and left lifting is uprightly provided with left lift cylinder seat 22 Cylinder 23, left lift cylinder 23 includes piston rod 1, and piston rod 1 is extended downwardly from, and its lower end lower end connects through T-shaped first 24 Left gripping block 15 is connect, the left upper surface of gripping block 15 is connected with the T-shaped that one-sided open is provided with left contiguous block 16, left contiguous block 16 Groove, T-shaped first 24 is caught in the T-slot on left contiguous block 16.It is located at the left lower section of gripping block 15 on base 8 and is provided with left clamping seats 9, Be correspondingly provided with half-arc groove 9a, 15a between left gripping block 15 and the forward surface of left clamping seats 9, half-arc groove 9a, 15a with it is to be measured The necking down 27b of engine air inlet tube one end of examination is corresponding;Upright be provided with left rail 18, left rail 18 is matched somebody with somebody on left socle 19 Conjunction is provided with left slider 17, and left slider 17 is connected to the left side of gripping block 15.

The upper end of right support 30, which is horizontally disposed with, right lift cylinder seat 28, and right lifting is uprightly provided with right lift cylinder seat 28 Cylinder 26, right lift cylinder 26 includes piston rod 2 31, and piston rod 2 31 is extended downwardly from, and its lower end is right through first 2 35 connection of T-shaped Gripping block 7, the right upper surface of gripping block 7 is connected with the T-slot that one-sided open is provided with right contiguous block 34, right contiguous block 34, T-shaped First 2 35 are caught in the T-slot on right contiguous block 34.It is located at the right lower section of gripping block 7 on base 8 and is provided with right clamping seats 6, it is right to clamp Half-arc groove 6a, 7a, half-arc groove 6a, 7a and engine to be tested are correspondingly provided between the forward surface of block 7 and right clamping seats 6 The necking down 27a of air inlet pipe one end is corresponding;Uprightly it is provided with right support 30 on right guide rail 32, right guide rail 32 and is equipped with the right side Sliding block 33, right sliding block 33 is connected to the right side of gripping block 7.

Two pieces of supporting plates, respectively left support plate 13 and right support plate 2 are respectively arranged with base 8, wherein, left support plate It is provided with 13 in single pole cylinder 12, right support plate 2 and double-rod cylinder 4 is installed, the piston rod external part connection of single pole cylinder 12 Have and left sealing gasket 42 is provided with left closure 10, left closure 10, an external part of the piston rod of double-rod cylinder 4 is connected with Right sealing gasket 43 is provided with right closure 5, right closure 5, left sealing gasket 42, right sealing gasket 43 enter with engine to be tested The two ends of tracheae 27 are corresponding;The other end of the piston rod of double-rod cylinder 4 is connected with gas-charging connection 1, the piston rod of double-rod cylinder 4 For hollow structure, double-rod cylinder 4 corresponding right closure 5 and right sealing gasket 43 are provided with passage, and gas-charging connection 1 is through check valve 37th, air inlet electromagnetic valve 38 is connected with source of the gas, and pressure sensor 36 is connected with the pipeline between check valve 37 and gas-charging connection 1.

Half-arc groove 6a, 9a, 7a, 15a's is provided at both ends with stopper slot, stopper slot and the convex shoulder of necking down 27a, 27b both sides 27c, 27d are corresponding.As shown in figure 9, being the stopper slot 9c corresponding to left clamping seats 9, it is corresponding with convex shoulder 27d, left to clamp Block, right gripping block, also it is correspondingly provided with stopper slot on right clamping seats.

Positioned at semicircular arc groove 9a outside provided with two slot 9b, the downside correspondence of left gripping block 15 on left clamping seats 9 Provided with two plug tenon 15b, plug tenon 15b can coordinate in insertion slot 9b just.Similarly, semicircular arc is located on right clamping seats 6 Groove 6a outside is correspondingly provided with two plug tenon 7b provided with two slot 6b, the downside of right gripping block 7, and plug tenon 7b can coordinate slotting just Enter in slot 6b.

Side between left socle 19 and left lift cylinder seat 22 is connected with each other through left socle gusset 20, the rear side of left socle 19 Provided with left socle rear stay plate 40, the lower end of left socle rear stay plate 40 is connected on base 8;Right support 30 and right lift cylinder seat 28 it Between side be connected with each other through right support gusset 29, the rear side of right support 30 is provided with right support rear stay plate 39, right support rear stay plate 39 Lower end is also connected on base 8;Connected respectively in single pole cylinder 12 and the corresponding left support plate 13 of double-rod cylinder 4, right support plate 2 There is a reinforcing plate, the corresponding left reinforcing plate 14 of single pole cylinder 12 has one piece and to be connected to the left support plate 13 opposite with single pole cylinder another Side;The corresponding right reinforcing plate 3 of double-rod cylinder 4 has two pieces and is separately positioned on the both sides of double-rod cylinder 4, and left reinforcing plate 14, the right side add The strong bottom of plate 3 is connected with base.

Connected in the left gripping block 15 corresponding with the flow sensor 41 connected on engine air inlet tube 27 to be tested There is bending baffle plate 25, the L-shaped bending of bending baffle plate 25 is simultaneously blocked in the top of flow sensor 41.

The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour just can make one to some of which technical characteristic A little to replace and deform, these are replaced and deformed within the scope of the present invention.

Claims (8)

1. a kind of engine air inlet tube test device for air tightness, including base, it is characterised in that:Uprightly it is provided with the base Two supports, pedestal upper end, which is horizontally disposed with, lift cylinder seat, is uprightly provided with lift cylinder respectively on lift cylinder seat, lifts The lower end that the piston rod of cylinder is extended downwardly from, which is connected with to be located at below gripping block on gripping block, base, is provided with clamping seats, gripping block Half-arc groove, the half-arc groove and engine air inlet tube two ends to be tested are correspondingly provided between the forward surface of clamping seats Necking down is corresponding;Upright be provided with guide rail, guide rail is equipped with sliding block on support, and the sliding block is connected to gripping block side Face;Described be respectively arranged on the base with two pieces of supporting plates, one of supporting plate is provided with single pole cylinder, another piece of supporting plate On double-rod cylinder is installed, an external part of the piston rod external part of single pole cylinder and the piston rod of double-rod cylinder is connected respectively Have and sealing gasket is provided with closure, closure, the sealing gasket is corresponding with the two ends of engine air inlet tube to be tested;It is double The other end of the piston rod of bar cylinder is connected with gas-charging connection, and the piston rod of double-rod cylinder is hollow structure, double-rod cylinder correspondence Closure and sealing gasket be provided with passage, the gas-charging connection is connected through check valve, air inlet electromagnetic valve with source of the gas, check valve Pressure sensor is connected with pipeline between gas-charging connection.
2. engine air inlet tube test device for air tightness according to claim 1, it is characterised in that:The half-arc groove Stopper slot is provided at both ends with, the stopper slot is corresponding with the convex shoulder of the necking down both sides.
3. engine air inlet tube test device for air tightness according to claim 2, it is characterised in that:The clamping seats are upper It is provided with the outside of semicircular arc groove on the downside of two slots, gripping block and is correspondingly provided with two plug tenons, the plug tenon can matches somebody with somebody just Close in the insertion slot.
4. the engine air inlet tube test device for air tightness according to claim 1 or 2 or 3, it is characterised in that:The lifting The piston-rod lower end of cylinder is connected with T-shaped head, and gripping block upper surface is connected with contiguous block, contiguous block and is provided with one-sided open T-slot, T-shaped head correspondence is caught in the T-slot.
5. engine air inlet tube test device for air tightness according to claim 4, it is characterised in that:The support and lifting Side between cylinder block is connected with each other through support gusset.
6. engine air inlet tube test device for air tightness according to claim 5, it is characterised in that:Set on rear side of the support There is support rear stay plate, support rear stay plate lower end is connected on base.
7. engine air inlet tube test device for air tightness according to claim 4, it is characterised in that:The single pole cylinder and It is connected to reinforcing plate in the corresponding supporting plate of double-rod cylinder, the corresponding reinforcing plate of the single pole cylinder has one piece and is connected to The supporting plate opposite side opposite with single pole cylinder;The corresponding reinforcing plate of double-rod cylinder has two pieces and is separately positioned on double-rod cylinder two Side, the reinforcing plate bottom is connected with base.
8. engine air inlet tube test device for air tightness according to claim 4, it is characterised in that:Start with to be tested Bending baffle plate, the L-shaped folding of bending baffle plate are connected with the corresponding gripping block of the flow sensor that is connected in machine air inlet pipe It is curved and block above the flow sensor.
CN201510638092.0A 2015-09-30 2015-09-30 Engine air inlet tube test device for air tightness CN105115680B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510638092.0A CN105115680B (en) 2015-09-30 2015-09-30 Engine air inlet tube test device for air tightness

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Application Number Priority Date Filing Date Title
CN201510638092.0A CN105115680B (en) 2015-09-30 2015-09-30 Engine air inlet tube test device for air tightness

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CN105115680B true CN105115680B (en) 2017-10-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404294B (en) * 2016-10-31 2019-06-25 苏州工业园区格比机电有限公司 Engine cooling apparatus tests plugging device
CN106644295A (en) * 2016-12-29 2017-05-10 上海尊马汽车管件股份有限公司 Tube gas tightness detection device used for automobile engine

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CN203881500U (en) * 2014-05-24 2014-10-15 广西玉柴机器股份有限公司 Air inlet pipe leakage testing device
KR20140124933A (en) * 2013-04-16 2014-10-28 현대중공업 주식회사 Fuel gas leak detection system of main feed pipe for dual fuel engine
CN204115973U (en) * 2014-10-29 2015-01-21 芜湖恒耀汽车零部件有限公司 A kind of air tightness detection apparatus of automobile exhaust pipe
CN204373868U (en) * 2015-01-30 2015-06-03 常熟塑擎汽车零部件有限公司 Inlet manifold assembly leak test equipment
CN205027499U (en) * 2015-09-30 2016-02-10 江苏奥力威传感高科股份有限公司 Engine intake manifold air tightness testing device

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CN2854564Y (en) * 2005-12-23 2007-01-03 重庆宗申技术开发研究有限公司 Pressure testing device for vehicle air intake pipe
CN202008429U (en) * 2011-03-07 2011-10-12 青岛华涛汽车模具有限公司 Air tightness detector
DE102012210230A1 (en) * 2012-06-18 2013-12-19 Robert Bosch Gmbh Apparatus and method for a dynamic pressure loss or valve tightness test on a four-stroke internal combustion engine
KR20140124933A (en) * 2013-04-16 2014-10-28 현대중공업 주식회사 Fuel gas leak detection system of main feed pipe for dual fuel engine
CN203672608U (en) * 2013-12-28 2014-06-25 宁海县博宇翔鹰汽车部件有限公司 Testing device for automobile air inlet pipe
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CN204373868U (en) * 2015-01-30 2015-06-03 常熟塑擎汽车零部件有限公司 Inlet manifold assembly leak test equipment
CN205027499U (en) * 2015-09-30 2016-02-10 江苏奥力威传感高科股份有限公司 Engine intake manifold air tightness testing device

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