CN109406712A - Gas cylinder bonfire test device and application method with safety insulating device - Google Patents

Gas cylinder bonfire test device and application method with safety insulating device Download PDF

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Publication number
CN109406712A
CN109406712A CN201811223095.8A CN201811223095A CN109406712A CN 109406712 A CN109406712 A CN 109406712A CN 201811223095 A CN201811223095 A CN 201811223095A CN 109406712 A CN109406712 A CN 109406712A
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China
Prior art keywords
cabinet
gas cylinder
idler wheel
hole
tracheae
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CN201811223095.8A
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Chinese (zh)
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CN109406712B (en
Inventor
许桂平
童喆益
赵鑫
李涛
刘宝光
胡艳志
王旭
肖武
苗义伟
张毅炜
苏建
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Shanghai Composite Material Science and Technology Co Ltd
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Shanghai Composite Material Science and Technology Co Ltd
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Priority to CN201811223095.8A priority Critical patent/CN109406712B/en
Publication of CN109406712A publication Critical patent/CN109406712A/en
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Publication of CN109406712B publication Critical patent/CN109406712B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion

Abstract

The present invention provides a kind of gas cylinder bonfire test device and application method with safety insulating device, belongs to gas cylinder bonfire test technical field.Including block, slidable sliding panel is provided at the top of block, bump is provided on sliding panel, the upper surface of block is provided with cabinet, multiple tracheaes are provided between box inside wall lower half is impartial, bottom of box side is provided with abaculus, motor cabinet is provided on two opposite lateral walls of cabinet, servo motor is provided on motor cabinet, the output shaft of servo motor is provided with the first U-shaped idler wheel, support base is provided at the top of cabinet, the second U-shaped idler wheel is provided on the side wall at the both ends of support base, third type U idler wheel is relatively set in the middle part of support base, steel cable one end is fixed on the first U-shaped idler wheel, steel cable sequentially passes through the second U-shaped idler wheel and the 3rd U idler wheel, the other end of steel cable is provided with suspension hook, set is provided with lantern ring on gas cylinder, lantern ring is set on suspension hook, to drive gas cylinder to move up and down, cabinet it is upper End face is provided with case lid.

Description

Gas cylinder bonfire test device and application method with safety insulating device
Technical field
The present invention relates to gas cylinder bonfire test technical fields, and in particular, to the gas cylinder with safety insulating device burns examination Experiment device and application method.
Background technique
Secondary energy sources of the Hydrogen Energy as clean and effective are the important components of national energy strategy, and hydrogen fuel cell It is safe and efficient one of the important way utilized of Hydrogen Energy, since hydrogen is inflammable and explosive, combustion heat value is high, explosion energy is big, and it is high The hydrogen storage pressure of pressure hydrogen storage cylinder is up to 70MPa, and hydrogen storage cylinder security performance increasingly receives significant attention, and becomes and be related to The key components and parts of fuel cell car Product Safety.
For hydrogen cell automobile, if because accident cause it is on fire after, high-pressure hydrogen storage cylinder cannot release hydrogen in bottle in time Gas will lead to bigger security risk, it is therefore necessary to claim to the fire resistance and impact resistance of vehicle gas cylinder.Burn examination Proved recipe method mainly has whole bonfire test and local bonfire test, and local bonfire test consists of two parts: early period, part was fiery It burns, the later period integrally burns.Meanwhile state of air cylinders of the gas cylinder when touching different sharp objects when accident generation, it also needs to simulate Baked wheaten cake experiment of the gas cylinder after colliding in sharp objects, the more preferable quality for verifying gas cylinder.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of, and the gas cylinder with safety insulating device burns examination Experiment device and application method.
A kind of gas cylinder bonfire test device with safety insulating device provided according to the present invention, comprising: cabinet, case lid, Block;
The upper surface of the block is provided with cabinet, and the cabinet is cuboid, and the box house is provided with gas cylinder, institute It states and is provided with tracheae around gas cylinder, the upper surface of the cabinet is provided with case lid, which is characterized in that set at the top of the block It is equipped with slidable sliding panel, is provided with multiple tracheaes between the opposite inner sidewall lower half of two of the cabinet is impartial, it is described Multiple tracheae one end are placed in the side wall of cabinet, and the other end of the multiple tracheae is pierced by the side wall of cabinet.
Preferably, it is provided with motor cabinet on two opposite lateral walls of the cabinet, described two motor cabinets are all provided with In being provided with servo motor on the upper surface of tracheae, the motor cabinet, the output shaft of the servo motor is provided with the first U-shaped rolling Wheel, the first U-shaped idler wheel are mounted in the first roller mount;Support base is provided at the top of the cabinet, the support base is horizontal Opposing sidewalls across cabinet, the both ends of the support base be it is ladder-like, the is provided on the side wall at the both ends of the support base Second wheel seat is provided with the second U-shaped idler wheel in second roller mount, is relatively set with third idler wheel in the middle part of the support base , the U-shaped idler wheel of third, the first U-shaped idler wheel, the second U-shaped idler wheel and the U-shaped rolling of third are provided in the third roller mount It is provided with connected steel cable on wheel, and is in same perpendicular, described steel cable one end is fixed on the first U-shaped idler wheel, described The steel cable other end is provided with gas cylinder.
Preferably, fifth hole and multiple fourth holes are installed on the sliding panel, on the multiple fourth hole It is embedded with bump, the bottom of box is provided with abaculus close to fifth hole side, and it is convex that the abaculus side is provided with third Platform is provided with the 6th through-hole on the third boss, and the fifth hole and the 6th through-hole wear and be equipped with pin.
Preferably, the part that the tracheae is in outside cabinet, which is worn, is equipped with push plate, is provided with second boss in the push plate.
Preferably, it is provided with first through hole in two opposing sidewalls of the cabinet, is set in the one side wall of the cabinet It is equipped with the second through-hole;
The effect of first through hole is that the signal wire by sensor in cabinet leads to controller and long-range prison outside cabinet It surveys in device;
Second through-hole installs camera.
Preferably, multiple third through-holes and multiple first threaded holes are provided in the middle part of the support base.
Preferably, set is provided with lantern ring on the gas cylinder, and one end of the steel cable connection gas cylinder is provided with suspension hook, described to hang Rhampotheca is located on lantern ring.
Preferably, the bottom of the case lid is provided with the first boss for being convex to cabinet, is provided on the side wall of the case lid Case ear.
The application method of the above-mentioned gas cylinder bonfire test device with safety insulating device of one kind provided according to the present invention, Include:
Tracheae is mounted in push plate, the tail end of tracheae is placed in the one side wall of cabinet, two sides are mounted on igniting dress It sets, while bump is fixed on sliding panel, sliding panel is placed in cabinet, be arranged abaculus, pin is across fifth hole and the In six through-holes;
The fixed third roller mount of matched first threaded hole is selected according to the size for the gas cylinder tested, steel cable one end is consolidated It is scheduled on the first U-shaped idler wheel, sequentially passes through the second U-shaped idler wheel and the 3rd U idler wheel, the steel cable other end is fixed with suspension hook, will test Gas cylinder rear and front end puts on lantern ring, and lantern ring is hung on suspension hook, and the test position different to gas cylinder puts up temperature sensor, gas cylinder Interior placement force sensor, and drawn by bottleneck through conducting wire, these signal wires are led to outside cabinet by first through hole, with control Electricity Federation in device and remote monitoring device, the second through-hole install monitoring camera;
Controller controls servo motor operating, and gas cylinder is transferred to operating position, case lid is carried, first boss is inserted into case In the corresponding groove of body, case lid is covered.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The tracheae being arranged between two sides etc. provides uniform baked wheaten cake required temperature for gas cylinder each region;Gas cylinder is solid with lantern ring Fixed, lantern ring is hung on suspension hook, and suspension hook is fixed on one end of steel cable, and steel cable is rolled in the first U-shaped idler wheel, the second U-shaped idler wheel and the 3rd U Wheel can freely move up and down under driving, so that gas cylinder be driven to move up and down, very easily carry out the installation and replacement of gas cylinder;It is sliding Bump of different shapes is embedded on movable plate on fourth hole, under gas cylinder is moved to after certain height under the drive of steel cable It falls, collides on bump, simulate the knockout process of gas cylinder, the setting of abaculus can very easily replace the protrusion on sliding panel Object.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the axonometric drawing of gas cylinder bonfire test device of the invention;
Fig. 2 is the main view of gas cylinder bonfire test device of the invention;
Fig. 3 is the left view of gas cylinder bonfire test device of the invention;
Fig. 4 is the right view of gas cylinder bonfire test device of the invention;
Fig. 5 is Section A-A cross-sectional view in Fig. 2;
Fig. 6 is section B-B cross-sectional view in Fig. 3;
Fig. 7 is the suspension device structure diagram of gas cylinder;
Fig. 8 is the structural schematic diagram of support frame in Fig. 7;
Fig. 9 is the structural schematic diagram of sliding panel in Fig. 6;
Figure 10 is the structural schematic diagram of abaculus in Fig. 6;
Figure 11 is the enlarged drawing in Fig. 6;
In figure, 1- cabinet;101- first through hole;Second through-hole (not shown);2- case lid;201- first boss; 202- case ear;3- block;4- support base;401- third through-hole;The first threaded hole of 402-;403- ladder platform;The second screw thread of 404- Hole;5- sliding panel;501- fourth hole;502- fifth hole;6- tracheae;7- push plate;701- second boss;8- motor cabinet;9- Servo motor;The first roller mount of 10-;The U-shaped idler wheel of 11- first;12- steel cable;1201- suspension hook;The U-shaped idler wheel of 13- second;14- Second wheel seat;The 3rd U idler wheel of 15-;16- third roller mount;17- lantern ring;18- gas cylinder;19- pin;20- abaculus;2001- third is convex Platform;The 6th through-hole of 2002-;21- bump.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.
As shown in Figure 1-Figure 11, a kind of gas cylinder bonfire test device with safety insulating device provided according to the present invention, Include:
Block 3, the upper surface of the block 3 are provided with cabinet 1, and the cabinet 1 is cuboid, set inside the cabinet 1 It is equipped with gas cylinder 18, tracheae 6 is provided with around the gas cylinder 18, the upper surface of the cabinet 1 is provided with case lid 2.The block 3 Top be provided with slidable sliding panel 5, be provided between the opposite inner sidewall lower half of two of the cabinet 1 is impartial multiple Tracheae 6, the multiple 6 one end of tracheae are placed in the side wall of cabinet 1, are denoted as the tail end of tracheae 6, tracheae 6 herein for sake of convenience Tail end be placed in the one side wall of cabinet 1, the non-complete penetration of the tracheal orifice that this side wall opens up, it is therefore intended that tracheae active position It is positioned, while preferably stable tracheae;The other end of the tracheae 6, is denoted as the head end of tracheae 6 herein for sake of convenience, The head end of tracheae 6 is pierced by another side wall of cabinet 1, and the head end of tracheae 6 connects oxygen and combustible gas gas by solenoid valve, for gas 18 combustion experiments of bottle provide sufficient energy source, that section that tracheae 6 is in cabinet 1 is installed with combustion flame between waiting Nozzle, combustion flame nozzle and peripheral control unit Electricity Federation, so as to control which combustion flame nozzle works by controller. Motor cabinet 8 is provided on two opposite lateral walls of the cabinet 1, described two motor cabinets 8 are set on the upper of tracheae 6 Face is provided with servo motor 9 on the motor cabinet 8, and the output shaft of the servo motor 9 is provided with the first U-shaped idler wheel 11, described First U-shaped idler wheel 11 is mounted in the first roller mount 10;The top of the cabinet 1 is provided with support base 4, and the support base 4 is horizontal Opposing sidewalls across cabinet 1, the both ends of the support base 4 be it is ladder-like, be provided on the side wall at the both ends of the support base 4 Second roller mount 14 is provided with the second U-shaped idler wheel 13 in second roller mount 14, and the middle part of the support base 4 is oppositely arranged There is third roller mount 16, the U-shaped idler wheel 15 of third, the first U-shaped idler wheel 11, are provided in the third roller mount 16 It is provided with the steel cable 12 being connected on two U-shaped idler wheels 13 and the U-shaped idler wheel 15 of third, and is in same perpendicular, the steel cable 12 One end is fixed on the first U-shaped idler wheel 11, and 12 other end of steel cable is provided with gas cylinder 18.
Further, it is installed with fifth hole 502 and multiple fourth holes 501 on the sliding panel 5, the multiple Bump 21 is embedded on four through-holes 501, multiple bumps 21 are arranged on the middle line of sliding panel 5, and bump 21 is according to test Need can be selected different shape, bump 21 be embedded in on the pedestal of 501 same size of fourth hole, 1 bottom of cabinet 502 side of fifth hole is provided with abaculus 20, the size of abaculus 20 is greater than the size of bump 21, in order to dash forward It plays object 21 to be smoothly passed into cabinet 1,20 side of abaculus is provided with third boss 2001, sets on the third boss 2001 It is equipped with the 6th through-hole 2002, the fifth hole 502 and the 6th through-hole 2002, which are worn, is equipped with pin 19, and the effect of pin 19 is fixed embedding The position of block 20 prevents from causing security risk because the effect of impact force ejects abaculus 20 in gas bottle explosion moment.
Further, the tracheae 6 outside cabinet 1 partially passes through push plate 7, and push plate 7 with tracheae 6 in working stage phase Position is kept fixed, the effect of push plate 7 is can all tracheaes to be smoked and be stretched by the position of mobile push plate 7 It acts, is provided with second boss 701 in the push plate 7, second boss 701 can be fixed on hydraulic press or other mechanical equipments On, realize the movement of tracheae taken out and stretched automatically.
Further, it is provided with first through hole 101 in two opposing sidewalls of cabinet 1, in gas cylinder combustion experiment process In, for the state of accurate test gas cylinder, need to pressure sensor is installed on gas cylinder entrance pipe to be measured, bottle mouth of gas cylinder to be measured is easy Temperature sensor for detecting internal temperature and gas cylinder different location is installed, for filling to the igniting on tracheae on fused plug It sets, needs to be connected in controller and remote monitoring device by signal wire, the effect of first through hole 101 is cabinet 1 These signal wires are led in these controllers and remote monitoring device outside cabinet 1, are provided in the one side wall of the cabinet 1 Second through-hole, the effect of the second through-hole are that monitoring camera is fixedly mounted.
Further, the middle part of support base 4 is provided with multiple third through-holes 401 and multiple first threaded holes 402, the first spiral shell The effect of pit 402 is that the first different threaded holes 402 is selected according to the size of gas cylinder 18 for fixing third roller mount 16, Gas cylinder 18 is longer, and the first threaded hole 402 of two close end is leaned in selection, and gas cylinder 18 is shorter, selects close to the first intermediate threaded hole 402。
Further, set is provided with lantern ring 17 on the gas cylinder 18, the effect of lantern ring 17 be for fixing gas cylinder 18, it is described One end that steel cable 12 connects gas cylinder 18 is provided with suspension hook 1201, which is open type, and the suspension hook 1201 is set in On ring 17.
Further, the bottom of case lid 2 is provided with the first boss 201 for being convex to cabinet 1, and first boss 201 is inserted into cabinet 1 In corresponding groove, the effect of first boss 201 is for better fixed box cover 2 and cabinet 1, on the side wall of the case lid 2 It is provided with case ear 202, case lid 2 is preferably carried in the setting of case ear 202.
A kind of application method detailed process of gas cylinder bonfire test device with safety insulating device provided by the invention is such as Under:
Preparation process:
Tracheae 6 is mounted in push plate 7, the tail end of tracheae 6 is placed in the one side wall of cabinet 1, two sides are respectively mounted a little Fiery device, while bump 21 is fixed on sliding panel 5, sliding panel 5 is placed in cabinet 1, abaculus 20 has been arranged, pin 19 passes through In fifth hole 502 and the 6th through-hole 2002;Select suitable first threaded hole 402 solid according to the size for the gas cylinder 18 tested Determine third roller mount 16,12 one end of steel cable is fixed on the first U-shaped idler wheel 11, sequentially passes through the second U-shaped idler wheel 13 and the 3rd U Idler wheel 15,12 other end of steel cable are fixed with suspension hook 1201, and test gas cylinder rear and front end is put on lantern ring 17, lantern ring 17 is hung over and is hung On hook 1201, the test position different to gas cylinder 18 puts up temperature sensor, and temperature sensor may be selected to be K-type thermocouple, should Thermocouple has the characteristics that strong inoxidizability, high sensitivity and good reliability, the conducting wire of thermocouple are protected using porcelain bushing It protects, placement force sensor in bottle, and is drawn by bottleneck through conducting wire, these signal wires are led to outside cabinet 1 by first through hole 101 Electricity Federation in portion, with controller and remote monitoring device, the second through-hole install monitoring camera;Controller controls servo motor 9 and transports Turn, gas cylinder is transferred into operating position, carries case lid 2, first boss 201 is inserted into the corresponding groove of cabinet 1, case lid is covered 2。
Test process:
For test process for locally burning, early period is that part is burnt, and selects the position locally burnt, opens corresponding combustion Flame-thrower nozzle is burnt, is whole baked wheaten cake after the baked wheaten cake of part, opens all combustion flame nozzles in cabinet 1;When test is impacted Property experiment, controller controls servo motor 9 and inverts, and gas cylinder 18 is risen to certain altitude, controller is controlling servo motor 9 just Turn, the speed that servo motor 9 rotates forward is greater than the falling speed of gas cylinder 18.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (9)

1. a kind of gas cylinder bonfire test device with safety insulating device characterized by comprising cabinet (1), case lid (2), case Seat (3);
The upper surface of the block (3) is provided with cabinet (1), and the cabinet (1) is internally provided with gas cylinder (18), the gas cylinder (18) it is provided with around tracheae (6), the upper surface of the cabinet (1) is provided with case lid (2);
It is provided with slidable sliding panel (5) at the top of the block (3), under two opposite inner sidewalls of the cabinet (1) Half portion is provided with multiple tracheaes (6), and the multiple tracheae (6) one end is placed in the side wall of cabinet (1), the multiple tracheae (6) The other end be pierced by the side wall of cabinet (1).
2. the gas cylinder bonfire test device according to claim 1 with safety insulating device, which is characterized in that the cabinet (1) it is provided with motor cabinet (8) on two opposite lateral walls, described two motor cabinets (8) are set on the upper of tracheae (6) Face is provided with servo motor (9) on the motor cabinet (8), and the output shaft of the servo motor (9) is provided with the first U-shaped idler wheel (11), the described first U-shaped idler wheel (11) is mounted on the first roller mount (10);Support base is provided at the top of the cabinet (1) (4), for the support base (4) across the opposing sidewalls of cabinet (1), the both ends of the support base (4) are ladder-like, the support base (4) it is provided on the side wall at both ends the second roller mount (14), is provided with the second U-shaped idler wheel on second roller mount (14) (13), it is relatively set with third roller mount (16) in the middle part of the support base (4), is provided on the third roller mount (16) The U-shaped idler wheel of third (15) is provided on the first U-shaped idler wheel (11), the second U-shaped idler wheel (13) and the U-shaped idler wheel of third (15) Connected steel cable (12), and it is in same perpendicular, described steel cable (12) one end is fixed on the first U-shaped idler wheel (11), institute It states steel cable (12) other end and is provided with gas cylinder (18).
3. the gas cylinder bonfire test device according to claim 1 with safety insulating device, which is characterized in that the sliding It is installed with fifth hole (502) and multiple fourth holes (501) on plate (5), is embedded on the multiple fourth hole (501) Bump (21), cabinet (1) bottom are provided with abaculus (20) close to fifth hole (502) side, the abaculus (20) one Side is provided with third boss (2001), is provided with the 6th through-hole (2002), the fifth hole on the third boss (2001) (502) it wears with the 6th through-hole (2002) and is equipped with pin (19).
4. the gas cylinder bonfire test device according to claim 1 with safety insulating device, which is characterized in that the tracheae (6) it wears and is equipped with push plate (7) in the part of cabinet (1) outside, be provided with second boss (701) on the push plate (7).
5. the gas cylinder bonfire test device according to claim 1 with safety insulating device, which is characterized in that the cabinet (1) it is provided with first through hole (101) in two opposing sidewalls, is provided with the second through-hole in the one side wall of the cabinet (1);
The effect of first through hole (101) be the signal wire by sensor in cabinet (1) lead to the external controller of cabinet (1) and In remote monitoring device;
Second through-hole installs camera.
6. the gas cylinder bonfire test device according to claim 2 with safety insulating device, which is characterized in that the support Multiple third through-holes (401) and multiple first threaded holes (402) are provided in the middle part of seat (4).
7. the gas cylinder bonfire test device according to claim 2 with safety insulating device, which is characterized in that the gas cylinder (18) set is provided with lantern ring (17) on, and one end of steel cable (12) connection gas cylinder (18) is provided with suspension hook (1201), described to hang Hook (1201) is set on lantern ring (17).
8. the gas cylinder bonfire test device according to claim 1 with safety insulating device, which is characterized in that the case lid (2) bottom is provided with the first boss (201) for being convex to cabinet (1), is provided with case ear (202) on the side wall of the case lid (2).
9. a kind of user of the gas cylinder bonfire test device described in any item of the claim 1 to 8 with safety insulating device Method characterized by comprising
Tracheae (6) is mounted on push plate (7), the tail end of tracheae (6) is placed in the one side wall of cabinet (1), two sides are respectively mounted There is igniter, while bump (21) is fixed on sliding panel (5), sliding panel (5) is placed in cabinet (1), has been arranged embedding Block (20), pin (19) pass through in fifth hole (502) and the 6th through-hole (2002);
Select matched first threaded hole (402) fixed third roller mount (16) according to the size for the gas cylinder (18) tested, it will Steel cable (12) one end is fixed on the first U-shaped idler wheel (11), sequentially passes through the second U-shaped idler wheel (13) and the 3rd U idler wheel (15), steel Rope (12) other end is fixed with suspension hook (1201), and test gas cylinder rear and front end is put on lantern ring (17), lantern ring (17) is hung over and is hung On hook (1201), the test position different to gas cylinder (18) puts up temperature sensor, placement force sensor in gas cylinder, and by bottle Mouth is drawn through conducting wire, these signal wires lead to cabinet (1) outside by first through hole (101), with controller and long-range monitoring dress Middle Electricity Federation is set, the second through-hole installs monitoring camera;
Controller controls servo motor (9) operating, and gas cylinder is transferred to operating position, is carried case lid (2), by first boss (201) in the corresponding groove of insertion cabinet (1), case lid (2) are covered.
CN201811223095.8A 2018-10-19 2018-10-19 Gas cylinder burning test device with safety isolation device and use method Active CN109406712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811223095.8A CN109406712B (en) 2018-10-19 2018-10-19 Gas cylinder burning test device with safety isolation device and use method

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Application Number Priority Date Filing Date Title
CN201811223095.8A CN109406712B (en) 2018-10-19 2018-10-19 Gas cylinder burning test device with safety isolation device and use method

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CN109406712B CN109406712B (en) 2021-06-11

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CN107300566A (en) * 2017-06-18 2017-10-27 浙江大学 A kind of local bonfire test system of the gas cylinder with safety insulating device
CN108760215A (en) * 2018-04-28 2018-11-06 河海大学 A kind of impact loading device and method of a variety of blasting methods of simulation

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