CN205027499U - Engine intake manifold air tightness testing device - Google Patents

Engine intake manifold air tightness testing device Download PDF

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Publication number
CN205027499U
CN205027499U CN201520768603.6U CN201520768603U CN205027499U CN 205027499 U CN205027499 U CN 205027499U CN 201520768603 U CN201520768603 U CN 201520768603U CN 205027499 U CN205027499 U CN 205027499U
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CN
China
Prior art keywords
air inlet
cylinder
inlet tube
clamp
engine air
Prior art date
Application number
CN201520768603.6U
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Chinese (zh)
Inventor
蔡建
刘国强
徐晨
童叶青
陈川川
夏克峰
Original Assignee
江苏奥力威传感高科股份有限公司
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Priority to CN201520768603.6U priority Critical patent/CN205027499U/en
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Publication of CN205027499U publication Critical patent/CN205027499U/en

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Abstract

The utility model discloses an engine intake manifold air tightness testing device in the testing arrangement field is provided with two supports on its base, the lift cylinder is installed through the lift cylinder block in support upper end, and the piston rod of lift cylinder stretches out downwards and is connected with and presss from both sides tight piece, lies in on the base to press from both sides tight piece below and be equipped with and press from both sides tight seat, presss from both sides tight piece and the corresponding half -arc groove that is equipped with between the face in opposite directions that presss from both sides tight seat, upright be provided with the guide rail on the support, the cooperation is provided with the slider on the guide rail, and the slider is connected in the tight piece side of clamp, install single pole cylinder and two pole cylinders on the base respectively in the backup pad, the tailpiece of the piston rod portion of single pole cylinder and two pole cylinders is connected with sealed lid, the other end of the piston rod of hollow pair of pole cylinder is connected with the gas -charging connection, and the gas -charging connection is continuous with the air supply through check valve, air solenoid valve, is connected with pressure sensor on the pipeline between check valve and the gas -charging connection. The device can test engine intake manifold's gas tightness fast, and testing speed is fast, and the test result is accurate.

Description

Engine air inlet tube test device for air tightness

Technical field

The utility model relates to a kind of proving installation, particularly a kind of test device for air tightness of engine air inlet tube.

Background technology

In Chinese patent database, there is 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, this device comprises base, some fixation kits, some seal assemblies and test suite, arbitrary fixation kit comprises support and fixture, support comprises and is fixed on body on base and can the extrusome that stretches of opposing body, and fixture is fixedly arranged on extrusome, arbitrary seal assembly comprises the cylinder be fixedly arranged on base, the expansion link connect with cylinders, and be fixedly arranged on the seal pad of expansion link away from cylinder one end, seal pad connects with the ferrule of exhaust manifold, test suite comprises air pump, surge tank, draft tube and tensimeter, air pump is connected with surge tank, draft tube one end is connected with surge tank, the other end is connected with exhaust manifold through arbitrary seal pad, tensimeter is arranged in draft tube, for testing the air pressure in exhaust manifold.Its weak point is: this device is used for the exhaust manifold of test engine, because exhaust manifold is the rigid pipe that metal material is made, its sealing is relatively simple, the design of fixture is also relatively simple, this device can not be used for the impermeability of test engine draft tube, main cause is that engine air inlet tube is flexible flexible pipe, and during its test, the mouth of pipe closes difficulty.

In prior art, often adopt hydraulic test method to test for engine air inlet tube, its way is filled with liquid in draft tube, and its test speed is slow, can not meet the demand of high speed test.

Utility model content

The purpose of this utility model is to provide a kind of engine air inlet tube test device for air tightness, can the impermeability of Quick Measuring spreadsheet engine draft tube.

The purpose of this utility model is achieved in that a kind of engine air inlet tube test device for air tightness, comprise base, described base is uprightly provided with two supports, pedestal upper end has been horizontally disposed with lift cylinder seat, lift cylinder seat is uprightly provided with lift cylinder respectively, the lower end that the piston rod of lift cylinder stretches out downwards is connected with clamp, base is positioned at below clamp and is provided with clamping seats, between clamp and the forward surface of clamping seats, correspondence is provided with half-arc groove, and described half-arc groove is corresponding with the necking down at engine air inlet tube two ends to be tested; Support is uprightly provided with guide rail, guide rail is equipped with slide block, described slide block is connected to clamp side; Described base is respectively arranged with two pieces of back up pads, wherein one piece of back up pad is provided with single pole cylinder, another block back up pad is provided with two bar cylinder, an external part of the piston rod external part of single pole cylinder and the piston rod of two bar cylinder is connected to gland bonnet, gland bonnet is provided with sealing gasket, and described sealing gasket is corresponding with the two ends of engine air inlet tube to be tested; The other end of the piston rod of two bar cylinder is connected with gas-charging connection, the piston rod of two bar cylinder is hollow structure, the gland bonnet that two bar cylinder is corresponding and sealing gasket are provided with air hole, described gas-charging connection is connected with source of the gas through retaining valve, air inlet electromagnetic valve, and the pipeline between retaining valve and gas-charging connection is connected with pressure transducer.

When engine air inlet tube is produced, two ends need be provided with necking down, the both sides of necking down are respectively equipped with convex shoulder, and this structure can increase local strength on the one hand, is convenient to be connected and fixed, meanwhile, also facilitates test; In addition, be provided with flow sensor in the side of engine air inlet tube, when engine operation, flow sensor can send the signal of charge flow rate by phase car running computer.During utility model works, by lift cylinder, clamp is upwards mentioned, then engine air inlet tube to be tested is put on clamping seats, in the half-arc groove that necking down is snapped on clamping seats, drive clamp descending by lift cylinder again, engine air inlet tube to be tested is stepped up, completes fixation procedure.Subsequently by single pole cylinder and two bar cylinder operation, drive gland bonnet to compress the mouth of pipe at the two ends of engine air inlet tube to be tested, complete seal process.Inflated in engine air inlet tube to be tested by air inlet electromagnetic valve and retaining valve subsequently, after having inflated, air inlet electromagnetic valve is closed, and can know engine air inlet tube to be tested whether good seal by observing the feedback signal of pressure transducer, the about 30 seconds/root of speed of this device to test engine air inlet tube, its test duration is short, save a large amount of manpower and materials, compared with prior art, the beneficial effects of the utility model are, it drives clamp and clamping seats fast clamp to live engine air inlet tube to be tested by lift cylinder, simultaneously, by the mouth of pipe of single pole cylinder and two bar air cylinder driven fast sealing engine air inlet tube to be tested, by the piston rod air inlet of two bar cylinder, path engine air inlet tube being taken out and put into does not have pipeline to disturb, ensure that gas-charging connection can not be interfered the taking-up of engine air inlet tube to be tested and put into, in addition, the two ends of engine air inlet tube to be tested are not independent sealed, when gland bonnet corresponding to single pole cylinder and the corresponding mouth of pipe depart from and the other end is constantly inflated, the ventilation capacity of engine air inlet tube to be tested is tested by flow sensor, pass through set of device, two kinds of different pieces of informations can be tested, its test speed is fast, test result is accurate.This device is exclusively used in the impermeability of test engine draft tube, also can carry out flow rate test.

For ensureing engine air inlet tube two ends good seal to be tested, the two ends of described half-arc groove are provided with stopper slot, and described stopper slot is corresponding with the convex shoulder of described necking down both sides.Stopper slot pushes down the convex shoulder of necking down both sides from both sides, the engine air inlet tube two ends mouth of pipe to be tested is gripped, can not cause deflection, fitted seal lid and sealing gasket, can ensure good seal, not easily reveal.

For can accurately locate engine air inlet tube to be tested further, the outside described clamping seats being positioned at semicircular arc groove is provided with two slots, and the downside correspondence of clamp is provided with two plug tenons, and described plug tenon can coordinate in the described slot of insertion just.By the cooperation of plug tenon and slot, clamp and clamping seats can be linked together exactly, ensure that clamp and clamping seats realize closely cooperating with necking down and convex shoulder, avoid that it is loosening, deflection, thus ensure its accurate positioning, advantageously in sealing.

For ensureing lift cylinder not by lateral forces, the piston-rod lower end of described lift cylinder is connected with T-shaped head, and clamp upper surface is connected with contiguous block, contiguous block is provided with the T-slot of one-sided open, and T-shaped head correspondence snaps in described T-slot.T-shaped head can have certain move place in T-slot, makes clamp mainly rely on guide rail and slide block accurately to lead, and a lift cylinder lifting effect, avoid lift cylinder to be subject to lateral forces.Protect lift cylinder on the one hand, reduce manufacture difficulty on the other hand, lift cylinder installation accuracy can suitably be reduced.

For reinforced support stability, the side between described support and lift cylinder seat is interconnected through support gusset.

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

As further improvement of the utility model, the back up pad that described single pole cylinder is corresponding with two bar cylinder is connected to stiffening plate, and the stiffening plate that described single pole cylinder is corresponding has one piece and is connected to the back up pad opposite side opposing with single pole cylinder; The stiffening plate that two bar cylinder is corresponding has two pieces and is separately positioned on two bar cylinder both sides, is connected bottom described stiffening plate with base.Stiffening plate the intensity that can increase respective support plate is set, do not affect the layout of gas-charging connection and pipeline simultaneously.

For protection flow sensor; avoid dust, foreign material drop wherein; the clamp corresponding with the flow sensor that engine air inlet tube to be tested connects is connected with bending baffle plate, and the L-shaped bending of described bending baffle plate is also blocked above described flow sensor.

Accompanying drawing explanation

Fig. 1 is the utility model three-dimensional structure diagram.

Fig. 2 is vertical view of the present utility model.

Fig. 3 is the utility model perspective view of removing lift cylinder.

The vertical view of Fig. 4 corresponding to Fig. 3.

Fig. 5 is the utility model three-dimensional structure diagram after further striking.

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

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

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 stiffening plates, 4 pairs of bar cylinders, 5 right gland bonnets, 6 right clamping seats, 6a, 9a, 7a, 15a half-arc groove, 6b, 9b slot, 7 right clamps, 7b, 15b plug tenon, 8 bases, 9 left clamping seats, 9c stopper slot, 10 left gland bonnets, 12 single pole cylinders, 13 left support plates, 14 left stiffening plates, 15 left clamps, 16 left contiguous blocks, 17 left sliders, 18 left rails, 19 left socles, 20 left socle gussets, 21 piston rods one, 22 left lift cylinder seats, 23 left lift cylinders, 24T shape is first, 25 bending baffle plates, 26 right lift cylinders, 27 draft tube, 27a, 27b necking down, 27c, 27d convex shoulder, 28 right lift cylinder seats, 29 right support gussets, 30 right supports, 31 piston rods two, 32 right guide rails, 33 right slide blocks, 34 right contiguous blocks, 35T shape two, 36 pressure transducers, 37 retaining valves, 38 air inlet electromagnetic valves, 39 right support rear stay plates, 40 left socle rear stay plates, 41 flow sensors, 42 left sealing gaskets, 43 right sealing gaskets.

Embodiment

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

Left socle 19 upper end has been horizontally disposed with left lift cylinder seat 22, left lift cylinder seat 22 is uprightly provided with left lift cylinder 23, left lift cylinder 23 comprises piston rod 1, piston rod 1 stretches out downwards, its lower end, lower end connects left clamp 15 through T-shaped first 24, left clamp 15 upper surface is connected with left contiguous block 16, left contiguous block 16 is provided with the T-slot of one-sided open, and T-shaped first 24 snaps in the T-slot on left contiguous block 16.Base 8 is positioned at below left clamp 15 and is provided with left clamping seats 9, between left clamp 15 and the forward surface of left clamping seats 9, correspondence is provided with half-arc groove 9a, 15a, and half-arc groove 9a, 15a are corresponding with the necking down 27b of engine air inlet tube one end to be tested; Left socle 19 is uprightly provided with left rail 18, left rail 18 is equipped with left slider 17, left slider 17 is connected to left clamp 15 side.

Right support 30 upper end has been horizontally disposed with right lift cylinder seat 28, right lift cylinder seat 28 is uprightly provided with right lift cylinder 26, right lift cylinder 26 comprises piston rod 2 31, piston rod 2 31 stretches out downwards, its lower end, lower end is through a T-shaped right clamp 7 of 2 35 connection, right clamp 7 upper surface is connected with right contiguous block 34, left contiguous block 34 is provided with the T-slot of one-sided open, and T-shaped 2 35 snaps in the T-slot on right contiguous block 34.Base 8 is positioned at below right clamp 7 and is provided with right clamping seats 6, between right clamp 7 and the forward surface of right clamping seats 6, correspondence is provided with half-arc groove 6a, 7a, and half-arc groove 6a, 7a are corresponding with the necking down 27a of engine air inlet tube one end to be tested; Right support 30 is uprightly provided with right guide rail 32, right guide rail 32 is equipped with right slide block 33, right slide block 33 is connected to right clamp 7 side.

Base 8 is respectively arranged with two pieces of back up pads, be respectively left support plate 13 and right support plate 2, wherein, left support plate 13 is provided with single pole cylinder 12, right support plate 2 is provided with two bar cylinder 4, the piston rod external part of single pole cylinder 12 is connected with left gland bonnet 10, left gland bonnet 10 is provided with left sealing gasket 42, an external part of the piston rod of two bar cylinder 4 is connected with right gland bonnet 5, right gland bonnet 5 is provided with right sealing gasket 43, and left sealing gasket 42, right sealing gasket 43 are corresponding with the two ends of engine air inlet tube 27 to be tested; The other end of the piston rod of two bar cylinder 4 is connected with gas-charging connection 1, the piston rod of two bar cylinder 4 is hollow structure, right gland bonnet 5 and the right sealing gasket 43 of two bar cylinder 4 correspondence are provided with air hole, gas-charging connection 1 is connected with source of the gas through retaining valve 37, air inlet electromagnetic valve 38, the pipeline between retaining valve 37 and gas-charging connection 1 is connected with pressure transducer 36.

The two ends of half-arc groove 6a, 9a, 7a, 15a are provided with stopper slot, and stopper slot is corresponding with convex shoulder 27c, 27d of necking down 27a, 27b both sides.As shown in Figure 9, be the stopper slot 9c corresponding to left clamping seats 9, it is corresponding with convex shoulder 27d, and on left clamp, right clamp, right clamping seats, also correspondence is provided with stopper slot.

The outside left clamping seats 9 being positioned at semicircular arc groove 9a is provided with two slot 9b, and the downside correspondence of left clamp 15 is provided with two plug tenon 15b, and plug tenon 15b can coordinate in insertion slot 9b just.Similarly, the outside right clamping seats 6 being positioned at semicircular arc groove 6a is provided with two slot 6b, and the downside correspondence of right clamp 7 is provided with two plug tenon 7b, and plug tenon 7b can coordinate in insertion slot 6b just.

Side between left socle 19 and left lift cylinder seat 22 is interconnected through left socle gusset 20, is provided with left socle rear stay plate 40 on rear side of left socle 19, and left socle rear stay plate 40 lower end is connected on base 8; Side between right support 30 and right lift cylinder seat 28 is interconnected through right support gusset 29, is provided with right support rear stay plate 39 on rear side of right support 30, and right support rear stay plate 39 lower end is also connected on base 8; The left support plate 13 of single pole cylinder 12 and two bar cylinder 4 correspondence, right support plate 2 are connected to stiffening plate, and the left stiffening plate 14 of single pole cylinder 12 correspondence has one piece and is connected to left support plate 13 opposite side opposing with single pole cylinder; The right stiffening plate 3 of two bar cylinder 4 correspondence has two pieces and is separately positioned on two bar cylinder 4 both sides, is connected bottom left stiffening plate 14, right stiffening plate 3 with base.

The left clamp 15 corresponding with the flow sensor 41 that engine air inlet tube 27 to be tested connects is connected with bending baffle plate 25, and the L-shaped bending of bending baffle plate 25 is also blocked above flow sensor 41.

The utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection domain of the present utility model.

Claims (8)

1. an engine air inlet tube test device for air tightness, comprise base, it is characterized in that: described base is uprightly provided with two supports, pedestal upper end has been horizontally disposed with lift cylinder seat, lift cylinder seat is uprightly provided with lift cylinder respectively, the lower end that the piston rod of lift cylinder stretches out downwards is connected with clamp, base is positioned at below clamp and is provided with clamping seats, between clamp and the forward surface of clamping seats, correspondence is provided with half-arc groove, and described half-arc groove is corresponding with the necking down at engine air inlet tube two ends to be tested; Support is uprightly provided with guide rail, guide rail is equipped with slide block, described slide block is connected to clamp side; Described base is respectively arranged with two pieces of back up pads, wherein one piece of back up pad is provided with single pole cylinder, another block back up pad is provided with two bar cylinder, an external part of the piston rod external part of single pole cylinder and the piston rod of two bar cylinder is connected to gland bonnet, gland bonnet is provided with sealing gasket, and described sealing gasket is corresponding with the two ends of engine air inlet tube to be tested; The other end of the piston rod of two bar cylinder is connected with gas-charging connection, the piston rod of two bar cylinder is hollow structure, the gland bonnet that two bar cylinder is corresponding and sealing gasket are provided with air hole, described gas-charging connection is connected with source of the gas through retaining valve, air inlet electromagnetic valve, and the pipeline between retaining valve and gas-charging connection is connected with pressure transducer.
2. engine air inlet tube test device for air tightness according to claim 1, is characterized in that: the two ends of described half-arc groove are provided with stopper slot, described stopper slot is corresponding with the convex shoulder of described necking down both sides.
3. engine air inlet tube test device for air tightness according to claim 2, it is characterized in that: the outside described clamping seats being positioned at semicircular arc groove is provided with two slots, the downside correspondence of clamp is provided with two plug tenons, and described plug tenon can coordinate in the described slot of insertion just.
4. the engine air inlet tube test device for air tightness according to claim 1 or 2 or 3, it is characterized in that: the piston-rod lower end of described lift cylinder is connected with T-shaped head, clamp upper surface is connected with contiguous block, contiguous block is provided with the T-slot of one-sided open, T-shaped head correspondence snaps in described T-slot.
5. engine air inlet tube test device for air tightness according to claim 4, is characterized in that: the side between described support and lift cylinder seat is interconnected through support gusset.
6. engine air inlet tube test device for air tightness according to claim 5, is characterized in that: be provided with support rear stay plate on rear side of described support, 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 characterized in that: the back up pad that described single pole cylinder is corresponding with two bar cylinder is connected to stiffening plate, and the stiffening plate that described single pole cylinder is corresponding has one piece and is connected to the back up pad opposite side opposing with single pole cylinder; The stiffening plate that two bar cylinder is corresponding has two pieces and is separately positioned on two bar cylinder both sides, is connected bottom described stiffening plate with base.
8. engine air inlet tube test device for air tightness according to claim 4, it is characterized in that: the clamp corresponding with the flow sensor that engine air inlet tube to be tested connects is connected with bending baffle plate, the L-shaped bending of described bending baffle plate is also blocked above described flow sensor.
CN201520768603.6U 2015-09-30 2015-09-30 Engine intake manifold air tightness testing device CN205027499U (en)

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Application Number Priority Date Filing Date Title
CN201520768603.6U CN205027499U (en) 2015-09-30 2015-09-30 Engine intake manifold air tightness testing device

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CN205027499U true CN205027499U (en) 2016-02-10

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Cited By (3)

* Cited by examiner, † Cited by third party
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
CN105738051A (en) * 2016-04-05 2016-07-06 苏州盟川自动化科技有限公司 Bellows airtightness detection device and detection method therefor
CN105841900A (en) * 2016-04-05 2016-08-10 苏州盟川自动化科技有限公司 Corrugated pipe airtightness detection tool

Cited By (6)

* Cited by examiner, † Cited by third party
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
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
CN105738051A (en) * 2016-04-05 2016-07-06 苏州盟川自动化科技有限公司 Bellows airtightness detection device and detection method therefor
CN105841900A (en) * 2016-04-05 2016-08-10 苏州盟川自动化科技有限公司 Corrugated pipe airtightness detection tool
CN105841900B (en) * 2016-04-05 2019-09-20 苏州盟川自动化科技有限公司 A kind of bellows air-leakage test jig
CN105738051B (en) * 2016-04-05 2019-09-20 苏州盟川自动化科技有限公司 Bellows air tightness detection equipment and its detection method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160210

Effective date of abandoning: 20171017