CN220231628U - Black box burning testing device - Google Patents

Abstract

The utility model relates to the technical field of detection equipment and discloses a black box combustion testing device which comprises a first shell, a bracket and a spray gun, wherein the bracket is arranged in the first shell and used for supporting a black box, and the spray gun is arranged in the first shell and the spray head faces the black box; the automatic winding device is characterized in that a guide rail which extends vertically is arranged on the inner side wall of the first shell, a sliding frame is arranged on the guide rail in a sliding mode, the gun sleeve is arranged in the support, the lower portion of the support is hinged to the sliding frame, a first lug is arranged on the upper surface of the support, a first pulley seat is arranged on the first shell, the first lug is connected with one end of a first steel rope, and the first steel rope is wound on the first pulley seat, and the other end of the first steel rope is connected with a first rotating shaft which is positioned in a first winding frame outside the first shell. The position of the support relative to the guide rail and the angle of the spray gun on the support are adjusted by paying out or retracting the first steel rope, so that the multi-angle combustion test requirement of the black box is met.

Description

Black box burning testing device

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a black box combustion testing device.

Background

The black box generally refers to a flight data recorder, which is mainly used for recording various parameters of an aircraft during the flight, and when the aircraft breaks down or breaks down, the data recorded by the black box can be used for analyzing the reasons of the fault or accident of the aircraft. The shell of the black box is composed of a very thick steel plate and a plurality of layers of heat-insulating impact-resistant protection materials, and strict requirements are met on high temperature resistance, for example, the requirements of burning in flame at about 1000 ℃ for 30 minutes are met, the temperature resistance of the black box is required to be tested in multiple directions during the burning test of the black box, namely, the black box or the angle of a spray gun is required to be changed, and the conventional burning test device can only perform vertical or horizontal burning test generally, but cannot meet the requirements of multi-angle test.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a black box combustion testing device, which aims to solve the problem that multi-angle testing cannot be performed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a black box combustion testing device comprises a first shell, a bracket arranged in the first shell and used for supporting a black box, and a spray gun arranged in the first shell and with a spray head facing the black box; a guide rail which extends vertically is arranged on the inner side wall of the first shell, a sliding frame is arranged on the guide rail in a sliding manner, a threaded hole is formed in the sliding frame, a screw rod is connected in the threaded hole in a threaded manner, and the tail end of the screw rod is used for being abutted with the side wall of the guide rail; the gun sleeve is arranged in the support, the lower part of the support is hinged with the sliding frame, a first lug is arranged on the upper surface of the support, a first pulley seat is arranged on the first shell, the first lug is connected with one end of a first steel rope, and the first steel rope is wound on the first pulley seat and the other end of the first steel rope is connected with a first rotating shaft which is positioned in a first winding frame outside the first shell.

The black box combustion testing device is characterized in that three spray guns are arranged, and the three spray guns are respectively positioned at the front, the rear and the right side of the black box.

The black box combustion testing device is characterized in that the upper portion of the support is provided with an opening, two sides of the opening are respectively provided with a fastening block extending upwards, holes are respectively formed in the two fastening blocks, the two holes are respectively connected with the same locking rod, the tail end of the locking rod is in threaded connection with a nut, and the nut is in butt joint with the outer side wall of any fastening block.

The black box combustion testing device comprises a bracket and a transverse plate, wherein the bracket comprises a vertical plate and the transverse plate is hinged with the upper part of the vertical plate and is used for supporting the black box; the upper surface of diaphragm still is provided with the second lug, be provided with the second pulley seat on the first casing, the second lug is connected with the one end of second steel cable, the second steel cable is around locating on the second pulley seat and its other end is connected with the second pivot that is located in the outside second rolling frame of first casing.

The black box combustion testing device is characterized in that through grooves penetrating through the upper side wall and the lower side wall of the transverse plate are formed in the transverse plate, supporting blocks are respectively arranged on two sides of the through grooves, and the upper portions of the supporting blocks are arc-shaped and are matched with the appearance of the black box.

The black box combustion testing device is characterized in that an air cylinder with a downward-inclined output end is arranged outside the first shell, a cylinder body part of the air cylinder is positioned outside the first shell, the output end of the air cylinder stretches into the first shell and is connected with a bottom plate of the first shell, and one end of the bottom plate is hinged with the first shell; the lower part of bottom plate still is provided with the second casing, be provided with the liquid in the second casing and place the case.

The black box combustion testing device is characterized in that a filter screen is arranged in the liquid placing box, two ends of the filter screen are respectively connected with one end of a third pull rope, a third pulley seat is arranged on the upper portion of the liquid placing box, and the third pull rope is wound on the third pulley seat and the other end of the third pull rope is connected with a third rotating shaft positioned in a third winding frame outside the liquid placing box.

The black box combustion testing device is characterized in that a through hole is formed in the side wall of the liquid placing box; the side wall of the liquid placing box is provided with a water outlet, the water outlet is connected with a pipeline, and the pipeline penetrates through the side wall of the second shell.

The black box combustion testing device is characterized in that a plurality of ventilation holes are formed in the upper portion of the first shell.

The black box combustion testing device is characterized in that a heat insulation plate is arranged on the upper portion of the first shell and located above the plurality of ventilation holes.

The beneficial effects are that:

the utility model provides a black box combustion testing device, which is characterized in that a guide rail for guiding a support is arranged, a screw for fixing the support on the guide rail, the support hinged with a carriage, a first steel rope connected with the support and a first winding frame, and the position of the support relative to the guide rail and the angle of a spray gun on the support are adjusted by paying out or retracting the first steel rope so as to meet the requirements of the black box multi-angle combustion testing.

Drawings

Fig. 1 is a schematic diagram of an external structure of a black box combustion testing device provided by the utility model.

Fig. 2 is a schematic diagram of an internal structure of the black box combustion test apparatus.

Fig. 3 is a schematic view of a partial structure of the black box combustion test apparatus.

Fig. 4 is a schematic structural view of the cross plate.

Description of main reference numerals: 1-first shell, 11-first pulley seat, 12-second pulley seat, 13-bottom plate, 14-vent, 15-heat insulating plate, 21-riser, 22-cross plate, 23-second lug, 24-through groove, 25-supporting block, 26-second steel rope, 27-second winding frame, 31-guide rail, 32-carriage, 33-screw, 4-support, 41-first lug, 42-fastening block, 43-lock rod, 44-nut, 45-first steel rope, 46-first winding frame, 5-spray gun, 6-cylinder, 7-second shell, 71-third pulley seat, 8-liquid placing box, 81-filter screen, 82-third pull rope, 83-third winding frame, 84-through hole, 85-water outlet.

Detailed Description

The utility model provides a black box combustion testing device, which is used for making the purposes, technical schemes and effects of the utility model clearer and more definite, and further elaborating the utility model by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a black box combustion testing device, which includes a first housing 1, a bracket disposed in the first housing 1 and used for supporting a black box, and a spray gun 5 disposed in the first housing 1 with a spray head facing the black box; a guide rail 31 extending vertically is arranged on the inner side wall of the first shell 1, a sliding frame 32 is arranged on the guide rail 31 in a sliding manner, a threaded hole is formed in the sliding frame 32, a screw 33 is connected in the threaded hole in a threaded manner, and the tail end of the screw 33 is used for being abutted with the side wall of the guide rail 31; the spray gun 5 is sleeved in the support 4, the lower part of the support 4 is hinged with the sliding frame 32, a first lug 41 is arranged on the upper surface of the support 4, a first pulley seat 11 is arranged on the first shell 1, the first lug 41 is connected with one end of a first steel rope 45, and the first steel rope 45 is wound on the first pulley seat 11, and the other end of the first steel rope is connected with a first rotating shaft positioned in a first winding frame 46 outside the first shell 1.

Referring to fig. 1, specifically, the first housing 1 is further hinged with a door, the door can be covered with the first housing 1, and a heat-insulating explosion-proof glass is disposed on the door, so as to facilitate observation of the combustion test process. And because the internal temperature of the shell is higher when the test is carried out, the parts in the shell are prepared from materials with good temperature resistance. A control panel can be arranged on the door for controlling the flame size, the fuel inlet amount and the like of the spray gun 5.

When in actual use, the black box is arranged on the bracket; the screw 33 is loosened, the first hand wheel connected with the first rotating shaft is rotated to control the length of the first steel rope 45, so that the support 4 can move on the guide rail 31, the position of the spray gun 5 on the support 4 relative to the guide rail 31 is adjusted, the position of the spray gun 5 relative to the black box is conveniently adjusted, after the preset position is reached, the support 4 is locked on the guide rail 31 by screwing the screw 33 into the threaded hole, then the support 4 hinged with the sliding frame 32 is inclined upwards or downwards or is in a horizontal state by pulling out/withdrawing the first steel rope 45, and the angle of the spray gun 5 can be adjusted by fixing the first steel rope 45, so that a combustion test can be performed.

Referring to fig. 2, in some embodiments, the number of the spray guns 5 is three, and the three spray guns 5 are respectively located at the front, rear and right sides of the black box (the spray gun 5 located at the front is shielded by the spray gun 5 located at the rear in the drawing). Each spray gun 5 corresponds to the carriage 32, the support 4, the first pulley mount 11, the first steel rope 45, etc., and can respectively perform angle adjustment on the three spray guns 5. And the three spray guns 5 can meet the requirement of multi-azimuth heating black boxes.

Referring to fig. 2 and 3, in some embodiments, an opening is formed in an upper portion of the support 4, fastening blocks 42 extending upward are respectively disposed on two sides of the opening, holes are respectively disposed in two fastening blocks 42, a lock rod 43 is respectively connected to two holes, a nut 44 is screwed to an end of the lock rod 43, and the nut 44 abuts against an outer side wall of any fastening block 42. The fixing and the dismounting of the spray gun 5 and the support 4 are facilitated through the above arrangement, when the spray gun 5 is installed, the lock rod 43 and the nut 44 are released, the spray gun 5 is plugged into the middle part of the support 4, and then the lock rod 43 and the nut 44 are locked again.

Referring to fig. 2 and 4, in some embodiments, the stand includes a riser 21, and a cross plate 22 hinged to an upper portion of the riser 21, the cross plate 22 for supporting a black box; the upper surface of the cross plate 22 is also provided with a second lug 23, the first shell 1 is provided with a second pulley seat 12, the second lug 23 is connected with one end of a second steel rope 26, the second steel rope 26 is wound on the second pulley seat 12, and the other end of the second steel rope is connected with a second rotating shaft positioned in a second winding frame 27 outside the first shell 1. The above arrangement allows the angle of the black box on the cross plate 22 to be adjusted as well.

Referring to fig. 2 and 4, in some embodiments, the transverse plate 22 is provided with a through slot 24 penetrating through the upper and lower sidewalls thereof, two sides of the through slot 24 are respectively provided with a supporting block 25, and an upper portion of the supporting block 25 is configured into an arc shape adapted to the shape of the black box. The provision of the through slots 24 serves to reduce the weight of the cross plate 22 and to minimize the contact area of the black box with the cross plate 22 to avoid the gun 5 heating the cross plate 22 rather than the black box, thereby ensuring accuracy of the test.

Referring to fig. 1 and 2, in some embodiments, an output end of the cylinder 6 is provided on the outside of the first housing 1, and a cylinder portion of the cylinder 6 is located on the outside of the first housing 1, and the output end of the cylinder 6 extends into the inside of the first housing 1 and is connected to a bottom plate 13 of the first housing 1, and one end of the bottom plate 13 is hinged to the first housing 1; the lower part of the bottom plate 13 is also provided with a second shell 7, and a liquid placing box 8 is arranged in the second shell 7. When the combustion test is completed, the bottom plate 13 is opened by controlling the contraction of the output end of the cylinder 6, then the cross plate 22 is inclined downward by paying out part of the second steel rope 26, the black box on the cross plate 22 is dropped into the liquid placing box 8, and then the bottom plate 13 is closed by controlling the extension of the output end of the cylinder 6 to prevent heat from being transferred to the second housing 7. Specifically, the bottom plate 13 is located directly under the black box, and a heat insulation plate may be further disposed on the lower surface of the bottom plate 13. The liquid placing box 8 can be used for placing brine (simulating seawater environment), acid water and alkaline water (simulating corrosion environment), and the above arrangement can simulate a plurality of testing environments, and can enable the temperature of the black box to suddenly drop, further can test the mechanical property of the black box, and the black box after rapid cooling is convenient to take out.

Referring to fig. 2, in some embodiments, a filter screen 81 is disposed in the liquid placement box 8, two ends of the filter screen 81 are respectively connected with one end of a third pull rope 82, a third pulley seat 71 is disposed on the upper portion of the liquid placement box 8, and the third pull rope 82 is wound on the third pulley seat 71 and the other end thereof is connected with a third rotating shaft in a third winding frame 83 located outside the liquid placement box 8. Similarly, the third pull rope 82 is released or retracted to enable the filter screen 81 to sink into the bottom, or enable the filter screen 81 and the black box on the filter screen 81 after the combustion test to be exposed to the surface of the liquid, so that the black box is convenient to take out, and the black box does not need to be placed in corrosive liquid by hands to take out.

Referring to fig. 2, in some embodiments, a through hole 84 is provided on a sidewall of the liquid placement tank 8; the side wall of the liquid placement tank 8 is provided with a drain port 85, the drain port 85 is connected with a pipe, and the pipe passes through the side wall of the second housing 7. In order to prevent the liquid in the liquid containing tank 8 from splashing, the distance from the liquid containing tank 8 to the bottom plate 13 is small, and thus the through hole 84 is provided to facilitate the removal of the black box. A baffle may also be provided in the through-hole 84 during actual use to further shield liquid splashing from the through-hole 84. The drain port 85 is provided to facilitate replacement of the liquid in the liquid placement tank 8.

Referring to fig. 2, in some embodiments, a plurality of ventilation holes 14 are formed in an upper portion of the first housing 1. The combustion consumes a large amount of oxygen, and thus the vent hole 14 is provided to prevent the lance 5 from being extinguished due to insufficient oxygen supply.

Referring to fig. 1 and 2, in some embodiments, a heat insulation plate 15 is disposed at an upper portion of the first housing 1, and the heat insulation plate 15 is located above the plurality of ventilation holes 14. The heat insulating plate 15 is used for shielding the vent hole 14 to prevent the personnel from being scalded by the high-temperature hot gas volatilized by the vent hole 14.

In summary, the guide rail 31 for guiding the support 4, the screw 33 for fixing the support 4 on the guide rail 31, the support 4 hinged with the carriage 32, the first steel rope 45 connected with the support 4 and the first winding frame 46 are arranged, and the position of the support 4 relative to the guide rail 31 and the angle of the spray gun 5 on the support 4 are adjusted by paying out or retracting the first steel rope 45 so as to meet the multi-angle combustion test requirement of the black box. An opening, a fastening block 42, a lock rod 43 and a nut 44 are provided to facilitate the disassembly and assembly of the spray gun 5. A second steel cord 26 is provided for tilting the cross plate 22 and the black box on the cross plate 22. The through groove 24 and the supporting block 25 are provided for reducing the weight of the cross plate 22 and making the contact area of the black box and the cross plate 22 small. A cylinder 6 is provided for opening or closing the bottom plate 13. A filter screen 81 is provided for taking out the black box, which completes the combustion test, from the liquid surface. A vent 14 is provided for providing oxygen. A heat insulating plate 15 is provided for shielding the hot air emitted from the vent hole 14.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (10)

1. A black box combustion testing device comprises a first shell, a bracket arranged in the first shell and used for supporting a black box, and a spray gun arranged in the first shell and with a spray head facing the black box; the device is characterized in that a guide rail which extends vertically is arranged on the inner side wall of the first shell, a sliding frame is arranged on the guide rail in a sliding mode, a threaded hole is formed in the sliding frame, a screw rod is connected in the threaded hole in a threaded mode, and the tail end of the screw rod is used for being abutted to the side wall of the guide rail; the gun sleeve is arranged in the support, the lower part of the support is hinged with the sliding frame, a first lug is arranged on the upper surface of the support, a first pulley seat is arranged on the first shell, the first lug is connected with one end of a first steel rope, and the first steel rope is wound on the first pulley seat and the other end of the first steel rope is connected with a first rotating shaft which is positioned in a first winding frame outside the first shell.

2. The black box combustion testing apparatus of claim 1, wherein the number of the spray guns is three, and the three spray guns are respectively located at the front, rear and right sides of the black box.

3. The black box combustion testing device according to claim 1, wherein the upper portion of the support is provided with an opening, two sides of the opening are respectively provided with a fastening block extending upwards, two fastening blocks are respectively provided with holes, two holes are respectively connected with a same locking rod, the tail end of the locking rod is in threaded connection with a nut, and the nut is abutted with the outer side wall of any fastening block.

4. The black box combustion testing apparatus of claim 1, wherein the stand comprises a riser, and a cross plate hinged to an upper portion of the riser, the cross plate for supporting the black box; the upper surface of diaphragm still is provided with the second lug, be provided with the second pulley seat on the first casing, the second lug is connected with the one end of second steel cable, the second steel cable is around locating on the second pulley seat and its other end is connected with the second pivot that is located in the outside second rolling frame of first casing.

5. The black box combustion testing device according to claim 4, wherein the cross plate is provided with through grooves penetrating through the upper side wall and the lower side wall of the cross plate, supporting blocks are respectively arranged on two sides of the through grooves, and the upper parts of the supporting blocks are arc-shaped and are matched with the shape of the black box.

6. The black box combustion testing device according to claim 4, wherein an air cylinder with a downward inclined output end is arranged outside the first housing, a cylinder body part of the air cylinder is positioned outside the first housing, the output end of the air cylinder extends into the first housing and is connected with a bottom plate of the first housing, and one end of the bottom plate is hinged with the first housing; the lower part of bottom plate still is provided with the second casing, be provided with the liquid in the second casing and place the case.

7. The black box combustion testing device according to claim 6, wherein a filter screen is arranged in the liquid placing box, two ends of the filter screen are respectively connected with one end of a third pull rope, a third pulley seat is arranged on the upper portion of the liquid placing box, and the third pull rope is wound on the third pulley seat, and the other end of the third pull rope is connected with a third rotating shaft positioned in a third winding frame outside the liquid placing box.

8. The black box combustion testing apparatus of claim 7, wherein a through hole is provided on a side wall of the liquid placing box; the side wall of the liquid placing box is provided with a water outlet, the water outlet is connected with a pipeline, and the pipeline penetrates through the side wall of the second shell.

9. The black box combustion testing apparatus of claim 1, wherein the upper portion of the first housing is provided with a plurality of vent holes.

10. The black box combustion testing apparatus of claim 9, wherein the upper portion of the first housing is provided with a heat shield above the plurality of vent holes.