CN209036357U - A kind of sample fast-positioning device of smoke density case - Google Patents

Abstract

The utility model discloses a kind of sample fast-positioning devices of smoke density case, are related to smoke density the field of test technology, calibrate cumbersome defect to solve all-radiant furnace in existing smoke density chamber, combustion head and sample box three relative position.It includes bottom plate and experiment frame set on the bottom plate, and experiment frame, which is equipped with, adjusts positioning component A and adjusting positioning component B；It further include locating piece and the lug boss on locating piece, the thickness & of locating piece₁, lug boss height &₂And the thickness & of lug boss₃Designed according to civil aviaton's smoke density testing standard.By implementing the technical program, can the all-radiant furnace of concentration, combustion head and sample box are compared in three relative position in effective and disposable calibration test case position reach standard requirements, improve calibration efficiency, and then improve material smoke density testing efficiency in aircraft cabin.

Description

A kind of sample fast-positioning device of smoke density case

Technical field

The utility model relates to smoke density the field of test technology, quick more particularly to a kind of sample of smoke density case Positioning device.

Background technique

As the fast development of National Airspace aviation industry to raw material and need to match according to related military project and air standard Part is rigid in checking up and is selected, physical property, mechanical performance including raw material and accessory, combustibility, environmental reliability Energy, electronic apparatus unfailing performance, Engine Cleanliness Level, petroleum fuel performance etc.；The material smoke density test side in existing cabin Method mainly has 25 annex F section V/BSS7238/AITM 2.0007/MH/T 6040/ of CCAR/14CFR/EASA CS HB6577 exports to distance, combustion head center and the sample box bottom of specimen surface to combustion head in the standard of these tests The distance of opening, specimen surface are required to all-radiant furnace opening distance and the length of flame, only right in existing testing standard Each component locations distance, which is made that, before testing is distinctly claimed, and the specific method of above-mentioned distance how is measured without providing.

However the all-radiant furnace, combustion head and sample box three position in existing smoke density chamber are relatively concentrated, phase Spacing between mutually is narrow；On the one hand it is limited by space, carries out location confirmation with general ruler, it is number in practical operation It is tired, ruler can not be almost especially put into direct measurement when measuring the relative position between combustion head and sample box；Separately On the one hand, adjusting mobile combustion head or any one position of sample box all will lead at least the above two groups and there is shakiness apart from size Qualitative fluctuation, calibration difficulty is big and consuming time is long, can directly result in smoke density experimental test low efficiency and be difficult to ensure test The problem of precision.

Utility model content

In order to solve all-radiant furnace in smoke density chamber in the prior art, combustion head and the calibration of sample box three relative position Cumbersome defect, the purpose of this utility model is to provide a kind of sample fast-positioning devices of smoke density case, can quickly position The position of all-radiant furnace, combustion head and sample box three in smoke density chamber improves smoke density testing efficiency and guarantees test essence Degree.

The utility model specifically uses following technical scheme to achieve the goals above:

A kind of sample fast-positioning device of smoke density case, including for installing all-radiant furnace, burner and sample fixed bin Bottom plate, and install and be formed with aligned spaces between all-radiant furnace, burner and sample fixed bin, the bottom plate is equipped with experiment Frame, the experiment frame are equipped with for adjusting the adjusting positioning component A of burner position location and fix for adjusting sample The adjusting positioning component B of box position location；It further include locating piece and the lug boss with locating piece in integrally connected；Locating piece is set After aligned spaces calibration, the side of the locating piece is in contact with all-radiant furnace, and side and sample of the locating piece far from all-radiant furnace Sample in product fixed bin is in contact, and the boss is in the lower end of locating piece, and the combustion of the side of lug boss and burner It burns head to be in contact, and side of the protrusion far from combustion head offsets with sample fixed bin, the lower end surface of the locating piece and burning The top of head offsets, and the lower end surface of the lug boss and the bottom surface of sample are in same level.

The working principle of the utility model base case are as follows: before locating piece positioning, first by material sample in aircraft cabin Product are packed into the sample fixed bin on experiment frame, and sample is right against all-radiant furnace and combustion tube side is exposed outside；It again will positioning Block is placed in aligned spaces, checks position between locating piece and all-radiant furnace, burner and sample fixed bin with the presence or absence of between larger Whether gap blocks to obtain tension, if it exists above-mentioned phenomenon, then the position location of burner is adjusted by adjusting positioning component A, with And the position location of sample fixed bin is adjusted by adjusting component B；After being calibrated using locating piece, the side of locating piece and all-radiant furnace It is in contact, side of the locating piece far from all-radiant furnace is in contact with the sample in sample fixed bin, i.e. the thickness & of Design Orientation block₁ With being equidistant for all-radiant furnace in standard to sample surfaces；It offsets at the top of the lower end surface of locating piece and combustion head, lug boss Lower end surface and the bottom surface of sample are in same level, i.e. the height & of Design Orientation block lug boss₂With burner combustion in standard Overhead is equidistant to sample bottom surface；The side of lug boss is in contact with burner combustion head, and protrusion is far from burning The side of head offsets with sample fixed bin, that is, designs the thickness & of lug boss₃Sample is exported to the combustion head of burner in standard Surface is equidistant；It only needs disposably calibrate all-radiant furnace, combustion head and sample box three with respect to position using locating piece It sets and whether reaches standard；And triangular relative position can be quickly adjusted by each adjusting positioning component, meet smoke density test Standard improves smoke density testing efficiency and guarantees measuring accuracy.

Preferably, the burner includes main pipe and six burning branch pipes being connected to main pipe, six burning branch pipes It is equidistantly spaced along main pipe, the combustion head of the burner is the burning branch pipe positioned at main pipe both ends.Six burning branch The design of pipe can guarantee that sample lower end is burnt, and the rectangular shape design of the burning branch pipe of main pipe rear and front end utilizes positioning The burning branch pipe of block main pipe end is positioned, and locating piece and the burning branch pipe spray head at both ends are in face contact in position fixing process, more It is easy whether each dimensional accuracy of calibration reaches standard.

Preferably, the experiment frame includes the chassis being mounted on bottom plate and upper U-shaped the frame U-shaped frame under, described U-shaped Frame and under U-shaped frame bottom it is vertical with chassis be fixedly connected, the upper U-shaped frame and under U-shaped frame be in the vertical direction in one high One low is arranged in parallel.For make all-radiant furnace, burner and sample fixed bin be sequentially arranged in the horizontal direction upper U-shaped frame and under it is U-shaped Between frame, chassis and upper U-shaped frame and under the frame structure intensity that constitutes of U-shaped frame it is high, it is stable convenient for all-radiant furnace and sample fixed bin Ground is mounted on experiment frame.

Preferably, the adjusting positioning component A includes the abutment sleeve being fixed on experiment frame, the abutment sleeve it is upper End is fixedly connected with upper U-shaped frame, and the lower end of abutment sleeve U-shaped frame under is fixedly connected, and abutment sleeve along separate U-shaped frame with Under U-shaped frame side horizontal extension.Chassis and upper U-shaped frame and under the rectangular frame structure intensity height that constitutes of U-shaped frame, branch can be stablized Abutment sleeve is supportted, and all-radiant furnace can be moved horizontally along abutment sleeve, convenient for being accurately positioned the position and movement direction of all-radiant furnace.

Preferably, the upper end of the abutment sleeve and upper U-shaped frame weld, and the lower end of abutment sleeve U-shaped frame under welds.For So that abutment sleeve be steadily connected to U-shaped frame and under between U-shaped frame, using the connection type of welding, may make positioning sleeve Cylinder and upper U-shaped frame and under U-shaped frame composition reliability connect.

Preferably, the upper end of the abutment sleeve is equipped with the locking member being arranged radially along abutment sleeve.To make all-radiant furnace Fixation is limited after regulating, can be uniformly arranged multiple locking members, and all-radiant furnace is fixed on positioning along abutment sleeve radial direction In sleeve, limits and relatively moved in its work operation.

Preferably, the adjusting positioning component B includes being connected to the upper sliding rail of two free ends of U-shaped frame and being connected to down The glidepath of U-shaped two free ends of frame, upper sliding rail are set in parallel with glidepath, and the sample fixed bin is set to upper sliding rail under It is slidably connected between sliding rail and respectively with upper sliding rail with glidepath, and upper sliding rail or glidepath are equipped with limited block.For convenient for tune The horizontal position between sample fixed bin and all-radiant furnace is saved, the adjusting positioning component B of design not only can be before smoke density combustion test It determines the position of sample, also can effectively avoid sample and relative shift occurs in smoke density combustion test, improve measuring accuracy.

Preferably, the limited block is set on sliding rail, and is provided on the limited block for fixing limited block Lock-screw on upper sliding rail.The design of lock-screw can effectively adjust position of the limited block on upper sliding rail, utilize limit The horizontal position of block localizing sample fixed bin, smart structural design position easy to adjust.

Preferably, the material of the locating piece is aluminium alloy.The locating piece made of aluminium alloy can high temperature resistant, position fixing process In it is not easy to wear, and processed by numerically-controlled machine tool, each spot size can reach degree of precision, meet the mistake of measurement standard requirement Poor range.

As described above, the utility model having the beneficial effect that compared with the prior art:

It, can three's phase in effective and disposable calibration test case 1. the locating piece that the utility model is designed according to testing standard The all-radiant furnace of concentration, the positional relationship of combustion head and sample box are compared to position, existing space limitation is avoided to cause to utilize ruler It measures troublesome in poeration, and then causes before smoke density is tested calibration efficiency low the problem of influence smoke density testing progress, utilize The positioning block structure of simple designs, the positional distance disposably calibrated between each component in small space reach standard requirements, mention Height calibration working efficiency.

It adjusts positioning component A 2. the utility model design has and adjusts positioning component B, three relative position is closed if it exists System is unsatisfactory for standard requirements, and the position location of all-radiant furnace is conveniently adjusted using adjusting positioning component A, utilizes and adjusts positioning group Part B adjusts the position location of sample fixed bin, and easy to adjust and structure design stability can effectively avoid in smoke density test process Sample fixed bin relatively moves, and achievees the effect that adjust positioning, guarantees smoke density measuring accuracy.

3, the utility model locating piece is made of aluminium alloy resistant to high temperature, adapts to high-temperature work environment；And locating piece passes through Numerically-controlled machine tool processing is crossed, each spot size can reach degree of precision standard, to guarantee the three after adjusting according to locating piece Relative positional relationship meets the error range of standard requirements, further increases smoke density measuring accuracy.

Detailed description of the invention

Fig. 1 is a kind of structural representation of the sample fast-positioning device of smoke density case shown according to an exemplary embodiment Figure；

Fig. 2 is upper U-shaped frame in a kind of sample fast-positioning device of smoke density case shown according to an exemplary embodiment The schematic top plan view being connect with upper sliding rail；

Fig. 3 is burner in a kind of sample fast-positioning device of smoke density case shown according to an exemplary embodiment Schematic diagram；

Fig. 4 is locating piece in a kind of sample fast-positioning device of smoke density case shown according to an exemplary embodiment Stereoscopic schematic diagram.

Specific embodiment

It is further described below by specific embodiment:

Appended drawing reference in Figure of description includes: 1- bottom plate, 2- all-radiant furnace, 3- burner, 31- main pipe, 32- burning branch U-shaped frame, 7- adjust positioning component under pipe, 4- sample fixed bin, 5- sample, 6- experiment frame, 61- chassis, the upper U-shaped frame of 62-, 63- A, 71- abutment sleeve, 72- locking member, 8- adjust the upper sliding rail of positioning component B, 81-, 82- glidepath, 83- limited block, 84- locking Screw, 9- locating piece, 10- lug boss.

Embodiment is substantially as shown in Fig. 1: the present embodiment provides a kind of sample fast-positioning devices of smoke density case, including It is solid by experiment frame 6 for installing the bottom plate 1 of all-radiant furnace 2, burner 3 and sample fixed bin 4, all-radiant furnace 2 and sample fixed bin 4 It is scheduled on bottom plate 1, burner 3 is directly anchored on bottom plate 1, and all-radiant furnace 2, burner 3 and sample fixed bin 4 are from left to right successively Setting, and install and be formed with aligned spaces between all-radiant furnace, burner and sample fixed bin；Specifically, experiment frame 6 includes peace Chassis 61 on bottom plate 1 and the upper U-shaped frame 62 being arranged on the right side of chassis 61 and under U-shaped frame 63, chassis 61 is one previous Two vertical racks being set side by side afterwards, two vertical racks are welded on pedestal.

For make upper U-shaped frame 62 and under U-shaped frame 63 and 61 stable connection of chassis, upper U-shaped frame 62 and under U-shaped frame 63 bottom With two vertical rack vertical weldings, upper U-shaped frame 62 and under U-shaped frame 63 be arranged in parallel in the vertical direction in one high and one low, Chassis 61 and upper U-shaped frame 62 and under the frame structure intensity that constitutes of U-shaped frame 63 it is high, it is stable convenient for all-radiant furnace 2 and sample fixed bin 4 Ground is mounted on experiment frame 6.

For the horizontal position convenient for adjusting burner 3, tests frame and be equipped with the adjusting positioning group for adjusting 3 position location of burner Part A7, specifically, adjusting positioning component A7 includes the abutment sleeve 71 being fixed on experiment frame 6, the upper end of abutment sleeve 71 with The middle part of upper U-shaped frame 62 is welded, and the middle part of the lower end of abutment sleeve 71 U-shaped frame 63 under is welded, and abutment sleeve 71 is along separate The side horizontal extension of the upper U-shaped frame 63 under of U-shaped frame 62；Chassis 61 and upper U-shaped frame 62 and under the U-shaped composition of frame 63 rectangular frame Structural strength is high, and using the connection type of welding, can stablize support abutment sleeve 71, so that abutment sleeve 71 and upper U-shaped frame 62 under U-shaped frame 63 constitute reliability and connect；And all-radiant furnace 2 can be moved horizontally along abutment sleeve 71, convenient for being accurately positioned radiation The position and movement direction of furnace 2.

To make all-radiant furnace 2 be limited fixation after regulating, it is equipped in the upper end of abutment sleeve 71 along abutment sleeve The 71 multiple locking members 72 being arranged radially, for the present embodiment for providing four locking members 72, the upper end of locking member 72 is in butterfly Shape, lower end are threadedly coupled with abutment sleeve 71 and extend in abutment sleeve 71 and offset with all-radiant furnace 2, locked；Limit it It is relatively moved in work operation.

Incorporated by reference to shown in Fig. 1 and Fig. 2, to adjust and determining convenient for adjusting the horizontal position between sample fixed bin 4 and all-radiant furnace 2 Hyte part B8 includes being connected to the upper sliding rail 81 of 62 two free ends of U-shaped frame and being connected to down 63 two free ends of U-shaped frame Glidepath 82, upper sliding rail 81 are set in parallel with glidepath 82, and sample fixed bin 4 is set between upper sliding rail 81 and glidepath 82 simultaneously It is slidably connected respectively with upper sliding rail 81 with glidepath 82, specifically, the top of sample fixed bin 4, which is equipped with, to be set on sliding rail 81 Upper sliding sleeve, the cross section of upper sliding sleeve is in inverted V-type shape, and the bottom of sample fixed bin 4, which is equipped with, to be set on glidepath 82 Low sleeve；Further, it is arranged with limited block 83 on upper sliding rail 81, is provided on limited block 83 for consolidating limited block 83 The lock-screw 84 being scheduled on sliding rail 81,84 limited block of lock-screw, 83 glide direction are vertically arranged, when locking, lock-screw 84 extend to 83 inside of limited block offsets with upper sliding rail 81, and the design of lock-screw 84 can effectively adjust limited block 83 in upper cunning Position on rail 81, using the horizontal position of 83 localizing sample fixed bin 4 of limited block, smart structural design is positioned easy to adjust.

Incorporated by reference to shown in Fig. 1 and Fig. 3, burner 3 includes main pipe 31 and six burning branch pipes 32 being connected to main pipe 31, and six A burning branch pipe 32 upwardly extend supreme U-shaped frame 62 and under between U-shaped frame 63, the combustion head of burner 3 is left positioned at main pipe 31 The burning branch pipe 32 at right both ends is correspondingly equipped with lug boss 10, two protrusions before and after the bottom righthand side of the bottom of locating piece 9 It is equipped with the groove to offset with intermediate four burnings branch pipes 32 between portion 10, main pipe 31 by outer diameter is 6.4mm, wall thickness is 0.9mm's Stainless steel main pipe 31 is made, and six burning branch pipes 32 by outer diameter be 3.2mm and internal diameter be (1.4 ± 0.025) mm not Rust steel pipe is made, its material is soft under the high temperature conditions, can pull the position location for adjusting burning branch pipe 32, to adjust burning The spray head of branch pipe 32 between sample 5 at a distance from.

It further include locating piece 9 and the lug boss 10 on locating piece 9, the material of locating piece 9 is aluminium alloy, is resistant to height Temperature, it is not easy to wear in position fixing process；Specifically, as shown in Figure 1 and Figure 4, the thickness & of locating piece 9₁It tests and marks with civil aviaton's smoke density Being equidistant to 5 surface of sample of all-radiant furnace 2 in standard, as (3.0 ± 0.8) cm；The height & of lug boss 10₂It is close with civil aviaton cigarette Spend 3 combustion head of burner top being equidistant to 5 bottom surface of sample, i.e. the height & of lug boss 10 in testing standard₂For (8.0 ± 1.5) mm, the nozzle centerline of burning branch pipe 32 are located above 5 bottom surface of sample at (6.4 ± 1.5) mm；And the thickness of lug boss 10 Spend &₃Being equidistant for 5 surface of sample, i.e. the thickness & of lug boss 10 are exported to the combustion head of burner 3 in standard₃It is (6.4 ±1.5)mm；Locating piece 9 is processed by numerically-controlled machine tool, and each spot size can reach degree of precision.

The specific embodiment of the present embodiment are as follows: before being positioned using locating piece 9, first fill material sample 5 in aircraft cabin Enter in the sample fixed bin 4 on experiment frame 6,5 size of sample is identical as chamber size in the interior left side of sample fixed bin 4, and sample 5 faces It is exposed outside in all-radiant furnace 2 and combustion tube side；The fixation position for adjusting 5 positioning box of sample by limited block 83 again, by sample Product fixed bin 4 slides at limited block 83 along upper sliding rail 81, and whether observation sample 5 is right against all-radiant furnace 2, if there is offset, Limited block 83 is adjusted again, so that sample 5 is oppositely arranged with all-radiant furnace 2.

Further, locating piece 9 is placed in aligned spaces, re-inspection locating piece 9 and all-radiant furnace 2, burner 3 and sample Whether the position between fixed bin 4 with the presence or absence of larger gap or blocks to obtain tension, if it exists above-mentioned phenomenon, then by unclamping locking Part 72 adjusts the horizontal position of all-radiant furnace 2, so that all-radiant furnace 2 offsets with 9 left side of locating piece, i.e., so that all-radiant furnace 2 is to sample 5 The actual range on surface reaches gauged distance (3.0 ± 0.8) cm；The position location for adjusting burning branch pipe 32 is pulled again, so that combustion Burn 32 spout of branch pipe offset with 9 lug boss 10 of locating piece, i.e., so that burner 3 burning 32 spout of branch pipe to 5 surface of sample reality Border distance reaches gauged distance (6.4 ± 1.5) mm, and pulls burning branch pipe 32, so that 5 bottom surface of sample and 9 lug boss of locating piece 10 bottom surfaces in the same plane, i.e., so that the nozzle centerline and the actual range of 5 bottom surface of sample of burning branch pipe 32 reach standard Distance (6.4 ± 1.5) mm；Thus, it is only necessary to can disposably calibrate all-radiant furnace 2, combustion head and sample box three using locating piece 9 Whether person relative position reaches standard；And triangular relative position can be quickly adjusted by each adjusting positioning component, meet cigarette Density measurement standard improves smoke density testing efficiency and guarantees measuring accuracy.

After furnace 2, combustion head and sample box three position to be irradiated determine, takes out locating piece 9 and carry out smoke density test, warp The flame-visible length for crossing the nozzle centerline injection of the burning branch pipe 32 of burner 3 should be 6mm, and internal flame length should be 3mm, strictly It is tested according to standard, smoke density experimental test is high-efficient.

The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model Structure change similarly should be included in the protection scope of the utility model.

Claims (8)

1. a kind of sample fast-positioning device of smoke density case, it is characterised in that: including for installing all-radiant furnace, burner and sample The bottom plate of product fixed bin, and install and be formed with aligned spaces between all-radiant furnace, burner and sample fixed bin, on the bottom plate Equipped with experiment frame, the experiment frame is equipped with for adjusting the adjusting positioning component A of burner position location and for adjusting The adjusting positioning component B of sample fixed bin position location；It further include locating piece and the lug boss with locating piece in integrally connected；It will After locating piece is placed in aligned spaces calibration, the side of the locating piece is in contact with all-radiant furnace, and locating piece is far from all-radiant furnace Side is in contact with the sample in sample fixed bin, and the boss is in the lower end of locating piece, and the side of lug boss and combustion The combustion head of burner is in contact, and side of the protrusion far from combustion head offsets with sample fixed bin, the lower end of the locating piece It offsets at the top of face and combustion head, the lower end surface of the lug boss and the bottom surface of sample are in same level.

2. a kind of sample fast-positioning device of smoke density case according to claim 1, it is characterised in that: the experiment frame Including the chassis being mounted on bottom plate and upper U-shaped frame and under U-shaped frame, the upper U-shaped frame and under U-shaped frame bottom and chassis It is vertically fixedly connected, the upper U-shaped frame U-shaped frame under is in one high and one low is arranged in parallel in the vertical direction.

3. a kind of sample fast-positioning device of smoke density case according to claim 2, it is characterised in that: described adjust is determined Hyte part A includes the abutment sleeve being fixed on experiment frame, and the upper end of the abutment sleeve is fixedly connected with upper U-shaped frame, positioning The lower end of sleeve U-shaped frame under is fixedly connected, and abutment sleeve is along the side horizontal extension far from upper U-shaped frame U-shaped frame under.

4. a kind of sample fast-positioning device of smoke density case according to claim 3, it is characterised in that: the positioning sleeve The upper end of cylinder and upper U-shaped frame weld, and the lower end of abutment sleeve U-shaped frame under welds.

5. a kind of sample fast-positioning device of smoke density case according to claim 3, it is characterised in that: the positioning sleeve The upper end of cylinder is equipped with the locking member being arranged radially along abutment sleeve.

6. a kind of sample fast-positioning device of smoke density case according to claim 2-5 any one, it is characterised in that: The adjusting positioning component B includes being connected to the upper sliding rail of two free ends of U-shaped frame and being connected to down two free ends of U-shaped frame Glidepath, upper sliding rail is set in parallel with glidepath, and the sample fixed bin is set between upper sliding rail and glidepath and respectively It is slidably connected with upper sliding rail with glidepath, and upper sliding rail or glidepath are equipped with limited block.

7. a kind of sample fast-positioning device of smoke density case according to claim 6, it is characterised in that: the limited block It is set on sliding rail, and is provided with the lock-screw for being fixed on limited block on upper sliding rail on the limited block.

8. a kind of sample fast-positioning device of smoke density case according to claim 1, it is characterised in that: the locating piece Material be aluminium alloy.