CN219348777U - Safety belt flame retardant effect tester - Google Patents
Safety belt flame retardant effect tester Download PDFInfo
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- CN219348777U CN219348777U CN202320141313.3U CN202320141313U CN219348777U CN 219348777 U CN219348777 U CN 219348777U CN 202320141313 U CN202320141313 U CN 202320141313U CN 219348777 U CN219348777 U CN 219348777U
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- retardant effect
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a safety belt flame-retardant effect tester, which comprises a combustion box, wherein a control box is arranged outside the combustion box; still including loading frame, servo motor, a plurality of clamp splice down, a plurality of hanging rope, a plurality of weight and combustion mechanism, both ends are installed on the inner wall of burning case through the pivot rotation respectively about the loading frame, servo motor installs on burning case, servo motor's output shaft is connected with the pivot transmission of loading frame, the front end of loading frame is vertical to be provided with a plurality of spouts, the clamp splice is all installed to the upper end of a plurality of spouts, a plurality of clamp splice down are in a plurality of spouts through slider slidable mounting respectively, the lower extreme of a plurality of clamp splice down all is connected with the hanging rope, a plurality of weights have all been hung to the lower extreme of a plurality of hanging rope, combustion mechanism installs on the loading frame. The utility model can realize flame-retardant tests at various angles, and can apply a certain tensile force to the safety belt during the test, thereby having high practicability.
Description
Technical Field
The utility model relates to the technical field of safety belt detection, in particular to a safety belt flame-retardant effect tester.
Background
The fire resistance of the safety belt is a main detection index, and common methods for fire resistance and combustion performance include a vertical combustion test method, a horizontal combustion test method, a 45-degree combustion test method and the like.
When the flame retardant property test is carried out, a flame retardant property tester for the fabric is needed, which is provided by application number CN201921050433.2, and the device realizes the three combustion tests by adjusting the angle of the U-shaped cloth clamping frame, so that the equipment cost is reduced. However, the safety belt needs to bear a certain tensile force during working, but the safety belt to be tested cannot be applied with tensile force in the tester in the prior art, and the actual working condition of the safety belt cannot be effectively simulated, so that the safety belt flame-retardant effect tester is improved in the prior art, and has practicability.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a safety belt flame-retardant effect tester which can realize flame-retardant tests at various angles, and can apply a certain tensile force to a safety belt during the tests so as to improve the practicability.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The utility model provides a safety belt flame retardant effect tester, includes combustion case and control box, and the inside of combustion case is provided with the test cavity, and the combustion case is provided with the mouth of putting of getting that communicates with the test cavity, gets to put and installs the chamber door on the mouth, and the control box is installed in the external world of combustion case; the device comprises a loading frame, a servo motor, a plurality of upper clamping blocks, a plurality of lower clamping blocks, a plurality of hanging ropes, a plurality of weights and a combustion mechanism, wherein the left end and the right end of the loading frame are respectively rotatably installed on the inner wall of a combustion box through rotating shafts; when flame-retardant testing, the upper ends of a plurality of safety belts are respectively clamped in a plurality of upper clamping blocks, the lower ends of a plurality of safety belts are respectively clamped in a plurality of lower clamping blocks, the specification and the number of weights are selected according to the level of the safety belts, a plurality of weights with proper weight are respectively hung at the lower ends of a plurality of hanging ropes, according to testing requirements, a servo motor is operated through a control box to drive a loading frame to rotate by a certain angle, flame-retardant testing of the safety belts in vertical, horizontal and 45 degrees is realized, a combustion mechanism is operated through the control box to generate flame to burn the safety belts, meanwhile, the gravity of the weights pulls the plurality of lower clamping blocks through the plurality of hanging ropes to downwards slide along a chute, so that certain tensile force is applied to the safety belts, the working condition of the safety belts is simulated, and the practicability is high.
Preferably, the device further comprises a plurality of pulleys, the pulleys are arranged on the bottom wall of the loading frame, the pulleys are respectively aligned with a plurality of sliding grooves of the loading frame, and the pulleys respectively support and guide a plurality of hanging ropes in a rotating way; when the loading frame rotates to different angles through the rotation supporting effect of the pulleys on the hanging ropes, the hanging ropes can smoothly transfer the pulling force, and the practicability is high.
Preferably, the device further comprises a plurality of door frames, a plurality of first screw rods and a plurality of first pressing plates, wherein the door frames are arranged on the loading frame, the door frames are respectively positioned at the bottom ends of the sliding grooves, the middle parts of the first screw rods are respectively in rotary screw connection with the door frames, the inner ends of the first screw rods are respectively connected with the first pressing plates, and the first pressing plates are respectively positioned above the hanging ropes; when a plurality of safety belts are mounted, the first screw rods are rotated and screwed, under the action of threads of the portal frames, the lower ends of the first screw rods push the first pressing plates to tightly press the hanging ropes at the bottoms of the sliding grooves of the loading frame, the safety belts are mounted conveniently, the first screw rods are unscrewed when testing is started, the first pressing plates are separated from the hanging ropes, and at the moment, the gravity of the weights pulls the lower clamping blocks through the hanging ropes, so that the practicability of the equipment is improved.
Preferably, the upper clamping block and the lower clamping block comprise a second portal, a second screw rod and a second pressing plate, the second portal is arranged on a sliding block of the loading frame or the lower clamping block, the middle part of the second screw rod is in rotary threaded connection with the second portal, and the second pressing plate is arranged at the inner end of the second screw rod; when a plurality of safety belts are loaded, the upper end and the lower end of the safety belt are respectively inserted into a second portal of the upper clamping block and the lower clamping block, a screw rod II is screwed down in a rotating mode, the lower end of the screw rod II drives a pressing plate II to press the upper end of the safety belt on a sliding block of the loading frame or the lower clamping block, rapid clamping of the safety belt is achieved, and the safety belt clamping device is high in practicability.
Preferably, the combustion mechanism comprises a mounting plate, two locking blocks, a plurality of igniters and a plurality of fireproof discs, wherein the left end and the right end of the mounting plate are respectively connected with the two cross bars in a rotating way through threaded rods, the two cross bars are respectively connected with left and right rotating shafts of the loading frame, the two locking blocks are respectively connected with the left threaded rod and the right threaded rod of the mounting plate in a rotating way in a threaded way, the two locking blocks fasten the mounting plate, the igniters are mounted on the mounting plate, the nozzles of the igniters face to the sliding grooves of the loading frame respectively, and the fireproof discs are arranged on the igniters; the adjustment rotates the mounting panel to adjust the angle of a plurality of igniters, screw up two latch segment, with the angle locking of mounting panel, during test operation, a plurality of igniters blowout flames, flame burning safety belt, a plurality of fire prevention dish block the flame, avoid the high temperature of flame to burn other parts of mounting panel and equipment, the practicality is high.
Preferably, the device also comprises a slag receiving disc, wherein the slag receiving disc is arranged at the bottom of the testing chamber of the combustion box and is positioned below the loading frame; the slag receiving tray receives ash slag generated by burning the safety belt, and the practicability of the equipment is improved.
Preferably, the device further comprises a smoking box, a drain pipe, an air filter element, an exhaust pipe and a fan, wherein the smoking box is arranged at the top of the testing chamber of the combustion box, a plurality of smoke inlet holes are formed in the side wall of the middle part of the smoking box, water is filled in the lower part of the smoking box, the input end of the drain pipe stretches into the water in the lower part of the smoking box, the output end of the drain pipe stretches out of the outside of the combustion box, the air filter element is positioned at the upper part of the smoking box, the exhaust pipe is arranged above the combustion box, the lower end of the exhaust pipe is communicated with the upper part of the smoking box, and the fan is arranged in the exhaust pipe; during test operation, the fan operates, and the fan is taken out and is carried exhaust treatment system through exhaust column and smoking box with the flue gas in the test cavity of burning case, and empty filter core filters the flue gas, and the water of smoking box bottom carries out preliminary purification to the flue gas, and the water that will inhale the cigarette case during one section of work is discharged through the drain pipe, the feature of environmental protection of improvement equipment.
By adopting the technical scheme, the utility model has the following technical progress.
When the flame-retardant test is carried out, the upper ends of the safety belts are respectively clamped in the upper clamping blocks, the lower ends of the safety belts are respectively clamped in the lower clamping blocks, the weights with proper weights are selected according to the grades of the safety belts and are respectively hung at the lower ends of the hanging ropes, the servo motor is operated by the control box according to the test requirements to operate, the servo motor drives the loading frame to rotate by a certain angle, the flame-retardant test of the safety belts in the vertical, horizontal and 45 degrees is realized, the combustion mechanism is operated by the control box to generate flame to burn the safety belts, and meanwhile, the gravity of the weights pulls the lower clamping blocks to downwards slide along the sliding grooves through the hanging ropes, so that a certain tensile force is applied to the safety belts, the working condition of the safety belts is simulated, and the practicability is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the cigarette case, the drain pipe, the hollow filter element, the exhaust pipe, the fan, etc.;
FIG. 5 is an enlarged schematic view of the structure of the loading frame, servo motor, upper clamping block, lower clamping block, combustion mechanism, etc.;
wherein: 1. a combustion box; 2. a control box; 3. a loading rack; 4. a servo motor; 5. an upper clamping block; 6. a lower clamping block; 7. hanging rope; 8. a weight; 9. a pulley; 10. a door frame; 11. a first screw; 12. a first pressing plate; 13. a second portal; 14. a second screw; 15. a second pressing plate; 16. a mounting plate; 17. a locking block; 18. an igniter; 19. a fire protection tray; 20. a slag receiving disc; 21. a cigarette case; 22. a drain pipe; 23. an empty filter element; 24. an exhaust tube; 25. a blower.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
The safety belt flame-retardant effect tester, as shown in figures 1 to 5, comprises a combustion box 1, a control box 2, a loading frame 3, a servo motor 4, a plurality of upper clamping blocks 5, a plurality of lower clamping blocks 6, a plurality of hanging ropes 7, a plurality of weights 8, a combustion mechanism, a plurality of pulleys 9, a plurality of door frames 10, a plurality of screw rods 11 and a plurality of pressing plates 12,
the inside of the combustion box 1 is provided with a testing chamber, the combustion box 1 is provided with a taking and placing opening communicated with the testing chamber, a box door is arranged on the taking and placing opening, and the control box 2 is arranged outside the combustion box 1.
The left end and the right end of the loading frame 3 are respectively and rotatably arranged on the inner wall of the combustion box 1 through rotating shafts, the servo motor 4 is arranged on the combustion box 1, and an output shaft of the servo motor 4 is in transmission connection with the rotating shafts of the loading frame 3.
The front end of loading frame 3 is vertical to be provided with a plurality of spouts, and clamp splice 5 is all installed to the upper end of a plurality of spouts, and a plurality of clamp splice 6 pass through slider slidable mounting respectively in a plurality of spouts, and the lower extreme of a plurality of clamp splice 6 all is connected with the lanyard 7 down, and a plurality of weights 8 have all been hung to the lower extreme of a plurality of lanyards 7, and combustion mechanism installs on loading frame 3.
A plurality of pulleys 9 are mounted on the bottom wall of the carrier 3, the plurality of pulleys 9 are aligned with the plurality of sliding grooves of the carrier 3, respectively, and the plurality of pulleys 9 rotatably support and guide the plurality of suspension wires 7, respectively.
The plurality of door frames 10 are arranged on the loading frame 3, the middle parts of a plurality of screw rods 11 at the bottom ends of the plurality of sliding grooves are respectively in rotary screw connection with the plurality of door frames 10, the inner ends of the plurality of screw rods 11 are respectively connected with a plurality of pressing plates 12, and the plurality of pressing plates 12 are respectively arranged above the plurality of hanging ropes 7; the upper clamping block 5 and the lower clamping block 6 comprise a second portal 13, a second screw rod 14 and a second pressing plate 15, the second portal 13 is arranged on a sliding block of the loading frame 3 or the lower clamping block 6, the middle part of the second screw rod 14 is in rotary threaded connection with the second portal 13, and the second pressing plate 15 is arranged at the inner end of the second screw rod 14.
The combustion mechanism comprises a mounting plate 16, two locking blocks 17, a plurality of igniters 18 and a plurality of fireproof discs 19, wherein the left end and the right end of the mounting plate 16 are respectively connected with two cross bars in a rotating mode through threaded rods, the two cross bars are respectively connected with left and right rotating shafts of the loading frame 3, the two locking blocks 17 are respectively connected with the left threaded rod and the right threaded rod of the mounting plate 16 in a rotating threaded mode, the mounting plate 16 is fastened by the two locking blocks 17, the plurality of igniters 18 are mounted on the mounting plate 16, nozzles of the plurality of igniters 18 face to sliding grooves of the loading frame 3 respectively, and the fireproof discs 19 are arranged on the plurality of igniters 18.
A slag receiving pan 20 is placed at the bottom of the testing chamber of the combustion box 1, the slag receiving pan 20 being located below the loading bay 3.
The combustion box 1 is also provided with a cigarette case 21, a drain pipe 22, an air filter element 23, an exhaust pipe 24 and a fan 25, the cigarette case 21 is arranged at the top of a testing chamber of the combustion box 1, a plurality of cigarette inlet holes are formed in the side wall of the middle of the cigarette case 21, water is filled in the lower part of the cigarette case 21, the input end of the drain pipe 22 stretches into the water in the lower part of the cigarette case 21, the output end of the drain pipe 22 stretches out of the combustion box 1, the air filter element 23 is positioned at the upper part of the cigarette case 21, the exhaust pipe 24 is arranged above the combustion box 1, the lower end of the exhaust pipe 24 is communicated with the upper part of the cigarette case 21, and the fan 25 is arranged in the exhaust pipe 24.
In the flame-retardant test, a plurality of first screws 11 are screwed down in a rotating way, under the action of threads of a plurality of door frames 10, the lower ends of the first screws 11 push a plurality of first pressing plates 12 to tightly press a plurality of hanging ropes 7 at the bottoms of a plurality of sliding grooves of a loading frame 3, the upper ends of a plurality of safety belts are respectively clamped in second door frames 13 of a plurality of upper clamping blocks 5, the lower ends of the safety belts are respectively clamped in second door frames 13 of a plurality of lower clamping blocks 6, screw rods 14 are screwed down in a rotating way, the lower ends of the second screws 14 drive second pressing plates 15 to tightly press the upper ends of the safety belts on sliding blocks of the loading frame 3 or the lower clamping blocks 6, quick clamping of the safety belts is realized, a rotating mounting plate 16 is adjusted, the angles of a plurality of igniters 18 are adjusted, two locking blocks 17 are screwed down, the angles of the mounting plate 16 are locked, the specification and the number of weights 8 are selected according to the grades of the safety belts, a plurality of weights 8 with proper weight are respectively hung at the lower ends of a plurality of hanging ropes 7, a plurality of screw rods 11 are unscrewed, a plurality of pressing plates 12 are separated from the plurality of hanging ropes 7, at the moment, the gravity of the plurality of weights 8 pulls a plurality of lower clamping blocks 6 to slide downwards along sliding grooves through the plurality of hanging ropes 7, so that a certain pulling force is applied to a plurality of safety belts, the working condition of the safety belts is simulated, according to the test requirement, the servo motor 4 is operated by the control box 2, the loading frame 3 is driven to rotate by the servo motor 4 for a certain angle, the vertical, horizontal and 45-degree flame-retardant test of the safety belts is realized, flame is generated by operating an igniter 18 by the control box 2, the flame is blocked by a plurality of fireproof discs 19, the mounting plate 16 and other parts of the equipment are prevented from being burnt by the high temperature of the flame, during the test work, the fan 25 is operated, the fan 25 draws out the flue gas in the test cavity of the combustion box 1 through the exhaust pipe 24 and the cigarette case 21 and conveys the flue gas to the waste gas treatment system, the air filter element 23 filters the flue gas, the water at the bottom of the cigarette case 21 primarily purifies the flue gas, and the water of the cigarette case 21 is discharged through the drain pipe 22 during one period of work.
As shown in fig. 1 to 5, when the utility model works, firstly, the first screw rods 11 are screwed down, under the action of the threads of the door frames 10, the lower ends of the first screw rods 11 push the first pressing plates 12 to press the first suspension ropes 7 on the bottoms of the sliding grooves of the loading frame 3, then the upper ends of the safety belts are respectively clamped in the upper clamping blocks 5, the lower ends of the safety belts are respectively clamped in the lower clamping blocks 6, the specification and the number of the weights 8 are selected according to the level of the safety belts, the weights 8 with proper weight are respectively hung on the lower ends of the suspension ropes 7, then the rotating mounting plates 16 are adjusted, the angles of the igniters 18 are adjusted, the two locking blocks 17 are screwed down, the angles of the mounting plates 16 are locked, the first screw rods 11 are loosened, the servo motor 4 is operated by the control box 2 to operate the loading frame 3 to rotate a certain angle according to test requirements, the vertical, horizontal and 45-degree flame-retardant test of the safety belts is realized, finally the control box 2 operates the igniter 18 to produce the flame-retardant test of the safety belts, and simultaneously the flame-retardant test of the safety belts is simulated by the sliding down the safety belts along the sliding of the safety belts through the sliding of the safety belts.
The main functions realized by the utility model are as follows: 1) The vertical, horizontal and 45-degree flame-retardant test of the safety belt can be realized; 2) Can apply certain pulling force to a plurality of safety belts, simulate the behavior of safety belt, the practicality is high.
The combustion box 1, the control box 2, the servo motor 4, the hanging rope 7, the weight 8, the pulley 9, the first screw rod 11, the second screw rod 14, the igniter 18, the hollow filter element 23 and the fan 25 are purchased in the market, and the air conditioner can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a safety belt flame retardant effect tester, includes combustion case (1) and control box (2), and the inside of combustion case (1) is provided with the test cavity, and combustion case (1) is provided with the mouth of putting of getting that communicates with the test cavity, gets to put and installs the chamber door on the mouth, and control box (2) are installed in the external world of combustion case (1); the automatic loading device is characterized by further comprising a loading frame (3), a servo motor (4), a plurality of upper clamping blocks (5), a plurality of lower clamping blocks (6), a plurality of hanging ropes (7), a plurality of weights (8) and a combustion mechanism, wherein the left end and the right end of the loading frame (3) are respectively rotatably mounted on the inner wall of the combustion box (1) through rotating shafts, the servo motor (4) is mounted on the combustion box (1), an output shaft of the servo motor (4) is in transmission connection with the rotating shafts of the loading frame (3), a plurality of sliding grooves are vertically formed in the front end of the loading frame (3), the upper ends of the sliding grooves are respectively provided with the upper clamping blocks (5), the lower clamping blocks (6) are respectively mounted in the sliding grooves through sliding blocks, the lower ends of the lower clamping blocks (6) are respectively connected with the hanging ropes (7), the lower ends of the hanging ropes (7) are respectively hung with the weights (8), and the combustion mechanism is mounted on the loading frame (3).
2. The safety belt flame-retardant effect tester according to claim 1, wherein a plurality of pulleys (9) are mounted on the bottom wall of the loading frame (3), the plurality of pulleys (9) are respectively aligned with a plurality of sliding grooves of the loading frame (3), and the plurality of pulleys (9) respectively rotatably support and guide the plurality of suspension ropes (7).
3. The safety belt flame-retardant effect tester according to claim 1, wherein the loading frame (3) is provided with a plurality of door frames (10), a plurality of first screw rods (11) and a plurality of first pressing plates (12), the door frames (10) are installed on the loading frame (3), the door frames (10) are respectively positioned at the middle parts of the first screw rods (11) at the bottom ends of the sliding grooves and are respectively in rotary threaded connection with the door frames (10), the inner ends of the first screw rods (11) are respectively connected with the first pressing plates (12), and the first pressing plates (12) are respectively positioned above the hanging ropes (7).
4. The safety belt flame-retardant effect tester according to claim 1, wherein the upper clamping block (5) and the lower clamping block (6) comprise a second portal (13), a second screw rod (14) and a second pressing plate (15), the second portal (13) is arranged on a sliding block of the loading frame (3) or the lower clamping block (6), the middle part of the second screw rod (14) is rotationally screwed with the second portal (13), and the second pressing plate (15) is arranged at the inner end of the second screw rod (14).
5. The safety belt flame retardant effect tester according to claim 1, wherein the combustion mechanism comprises a mounting plate (16), two locking blocks (17), a plurality of igniters (18) and a plurality of fireproof discs (19), the left and right ends of the mounting plate (16) are respectively connected with the two cross bars in a rotating mode through threaded rods, the two cross bars are respectively connected with the left and right rotating shafts of the loading frame (3), the two locking blocks (17) are respectively connected with the left and right threaded rods of the mounting plate (16) in a rotating threaded mode, the two locking blocks (17) fasten the mounting plate (16), a plurality of igniters (18) are mounted on the mounting plate (16), nozzles of the igniters (18) face to sliding grooves of the loading frame (3) respectively, and the fireproof discs (19) are arranged on the igniters (18).
6. The safety belt flame retardant effect tester as claimed in claim 1, wherein a slag receiving tray (20) is placed at the bottom of the testing chamber of the combustion box (1), and the slag receiving tray (20) is positioned below the loading frame (3).
7. The safety belt flame-retardant effect tester according to claim 1, characterized in that a cigarette case (21), a drain pipe (22), an air filter element (23), an exhaust pipe (24) and a fan (25) are arranged in the combustion case (1), the cigarette case (21) is arranged at the top of a testing cavity of the combustion case (1), a plurality of smoke inlet holes are formed in the middle side wall of the cigarette case (21), water is filled in the lower portion of the cigarette case (21), the input end of the drain pipe (22) stretches into the water in the lower portion of the cigarette case (21), the output end of the drain pipe (22) stretches out of the outside of the combustion case (1), the air filter element (23) is arranged on the upper portion of the cigarette case (21), the exhaust pipe (24) is arranged above the combustion case (1), the lower end of the exhaust pipe (24) is communicated with the upper portion of the cigarette case (21), and the fan (25) is arranged in the exhaust pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141313.3U CN219348777U (en) | 2023-02-01 | 2023-02-01 | Safety belt flame retardant effect tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141313.3U CN219348777U (en) | 2023-02-01 | 2023-02-01 | Safety belt flame retardant effect tester |
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| Publication Number | Publication Date |
|---|---|
| CN219348777U true CN219348777U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320141313.3U Active CN219348777U (en) | 2023-02-01 | 2023-02-01 | Safety belt flame retardant effect tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030923A (en) * | 2023-10-08 | 2023-11-10 | 飞马新材料(山东)股份有限公司 | Fire-retardant performance detection device of fire-proof clothing material |
-
2023
- 2023-02-01 CN CN202320141313.3U patent/CN219348777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030923A (en) * | 2023-10-08 | 2023-11-10 | 飞马新材料(山东)股份有限公司 | Fire-retardant performance detection device of fire-proof clothing material |
| CN117030923B (en) * | 2023-10-08 | 2023-12-15 | 飞马新材料(山东)股份有限公司 | Fire-retardant performance detection device of fire-proof clothing material |
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