CN113092519A - Wire rod combustion characteristic test device - Google Patents
Wire rod combustion characteristic test device Download PDFInfo
- Publication number
- CN113092519A CN113092519A CN202110378036.3A CN202110378036A CN113092519A CN 113092519 A CN113092519 A CN 113092519A CN 202110378036 A CN202110378036 A CN 202110378036A CN 113092519 A CN113092519 A CN 113092519A
- Authority
- CN
- China
- Prior art keywords
- wire
- tray
- balance
- wire rod
- hanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a wire combustion characteristic experiment device which comprises a first balance and a second balance, wherein the first balance and the second balance are arranged in a cover body, a wire support is arranged on the first balance, a tray support is arranged on the second balance, a flowing tray is arranged on the tray support, a wire is hung on the wire support, the projection of the wire along the vertical direction falls on the flowing tray, and at least one side of the cover body can slide to adjust the opening degree. The invention has the advantages that: the method can be used for researching the flowing state of polymer liquid drops and the spreading condition of flowing fire, and meanwhile, the fire can also spread on the wire, the development condition of the fire on the wire can be researched, and the method has positive significance for mastering the development rules of different materials. Can control the oxygen supply volume in the cover body through changing the area of contact of the cover body with the air, conveniently control the intensity of a fire, can simulate the condition that the condition of a fire under the different oxygen contents spreads. The burning rate and the dropping rate can be quantitatively studied by the first day and the second balance.
Description
Technical Field
The invention relates to the technical field of wire fire safety, in particular to an experimental device for researching fluid dripping.
Background
Although stay cables, and the like are widely used in production and life of people, fire accidents caused by the stay cables, the cables, and the like are rare at present. The wire rod is mostly wrapped with polymer materials, for example, the main component of the cable outer sheath is polyvinyl chloride plastic, the polyvinyl chloride plastic and other materials can generate molten flowing substances or generate a dripping phenomenon in the heating process, namely, the solution dripping phenomenon, which has important significance for the flame retardance and fire dynamics of high polymer materials.
The utility model discloses a utility model patent that publication number is CN204831859U discloses a circular telegram wire burning test device that can autoignite and adopt cigarette, flame particle distribution to among the circular telegram wire burning process is studied, however when taking place the condition of a fire, the circuit generally can cut off by oneself, what the main reliance of stretching of conflagration is the stretching of cable self intensity of a fire, wire rods such as suspension cable are uncharged moreover, consequently, research wire rod self drips the thing and flows the characteristic and the conflagration spreads the characteristic and has an important role to mastering the condition of a fire development law under the conflagration condition.
Disclosure of Invention
The invention aims to provide an experimental device for researching the dropping of a melt and the fire spreading characteristics in a wire fire.
The invention solves the technical problems through the following technical scheme: the utility model provides a wire rod combustion characteristic experimental apparatus, is including being in first balance and the second balance in the cover body, be provided with the wire rod support on the first balance, be provided with the tray support on the second balance, be provided with the trickling tray on the tray support, the wire rod hangs on the wire rod support, and the projection of wire rod along vertical direction falls on the trickling tray, the cover body at least one side can slide the adjustment aperture.
According to the invention, the wire is positioned above the flowing tray, after the wire is ignited, the outer polymer material can drop on the wire, the flowing state of the polymer liquid drops and the spreading condition of flowing fire can be researched, meanwhile, the fire can also spread on the wire, the development condition of the fire on the wire can be researched, the flowing characteristic of the polymer material dropping matter and the fire spreading characteristic can be conveniently realized, and the method has positive significance for mastering the development rules of different materials. The whole experimental device is arranged in the cover body, the opening degree of the cover body is adjustable, the oxygen supply amount in the cover body can be controlled by changing the contact area of the cover body and air, the fire behavior is conveniently controlled, and the fire spreading condition under different oxygen contents can be simulated. The burning and dropping loss conditions of the wire rod and the dropping amount of the melt can be obtained through the first day and the second balance, and the burning speed and the dropping speed can be conveniently and quantitatively researched.
Preferably, a plurality of wires can be fixed on the wire bracket at intervals, and the inclination of the wires can be adjusted by the wire bracket.
Preferably, the wire rod support comprises a heat insulation plate, the heat insulation plate is fixed above the first leveling plate through a plurality of stand columns, at least two parallel suspension beams are arranged on the heat insulation plate, two sides of each suspension beam are fixedly connected with the upper surface of the heat insulation plate through fixing columns respectively, a hanging frame is suspended on each suspension beam, two ends of the wire rod are fixed in clamping sleeves on two sides of the hanging frame respectively, and the clamping sleeves on two sides can change the height independently.
Preferably, the hanging groove is arranged in the middle of the hanging beam, the hanging frame comprises first hanging rods hung on at least two hanging beams, a second hanging rod located below the hanging beam is hung below the first hanging rods, two ends of the second hanging rod are respectively fixed with a fixed pulley, the fixed pulley is connected with a lifting pulley through a traction rope, the fixed pulley rotates to change the height of the lifting pulley through the traction rope, and the clamping sleeve follows the position of the lifting pulley to be adjusted.
Preferably, the clamping sleeve is of a square frame structure, the wire penetrates through a gap in the middle of the square frame and is limited in the clamping sleeve through friction force, a rotating shaft of the lifting pulley is connected with a connecting plate located below the lifting pulley, and two hooks connected with the clamping sleeve are arranged below the connecting plate.
Preferably, a plurality of clamping sleeves are arranged below the lifting pulley, adjacent clamping sleeves are connected through the connecting plate, and hooks connected with the upper clamping sleeve and the lower clamping sleeve in a hanging mode are arranged on the upper side and the lower side of the connecting plate between the adjacent connecting sleeves respectively.
Preferably, a wire temperature thermocouple facing a wire fixing position is arranged on the side surface of the wire, and a core body thermocouple for detecting the temperature of the inner core of the wire is arranged at one end of the wire; melt thermocouples are arranged along the length direction of the flowing tray;
and the side surface and the end surface of the wire are respectively fixed with a camera.
Preferably, the drooling tray can change the inclination angle on the tray support, and the end close to the first balance is higher than the end close to the second balance.
Preferably, the tray support includes second PLASTIC LAMINATED and alignment jig, the second PLASTIC LAMINATED is placed in second balance top, and the alignment jig is connected with the second PLASTIC LAMINATED through four piece at least support columns, the alignment jig includes four branch lift slides that are in trickling tray both sides, and trickling tray both sides are provided with two fixing bolt with lift slide sliding fit respectively, and the fixing bolt who keeps away from first one flat end at least is installed in the waist type groove, the length direction in waist type groove is the same with the length direction of trickling tray, and the both sides fixing bolt of same end is coaxial.
Preferably, at least one angle measuring ruler is fixed on the side surface of the flowing tray, a lantern ring capable of being sleeved on a fixing bolt is arranged in the center of the angle measuring ruler, a limiting plate abutted against the lower surface of the bottom of the flowing tray is fixed on each of two sides of the angle measuring ruler, and a pointer arranged in the vertical direction is further fixed on the fixing bolt of the fixing lantern ring.
The wire combustion characteristic experimental device provided by the invention has the advantages that: the wire rod is arranged above the flowing tray, after the wire rod is ignited, the outer polymer material can drop on the wire rod, the flowing state of polymer liquid drops and the spreading condition of flowing fire can be researched, meanwhile, the fire behavior can also spread on the wire rod, the development condition of the fire on the wire rod can be researched, the flowing characteristic of polymer material dropping substances and the fire spreading characteristic can be conveniently realized, and the method has positive significance for mastering the development rules of the fire of different materials. The whole experimental device is arranged in the cover body, the opening degree of the cover body is adjustable, the oxygen supply amount in the cover body can be controlled by changing the contact area of the cover body and air, the fire behavior is conveniently controlled, and the fire spreading condition under different oxygen contents can be simulated. The burning and dropping loss conditions of the wire rod and the dropping amount of the melt can be obtained through the first day and the second balance, and the burning speed and the dropping speed can be conveniently and quantitatively researched. Meanwhile, a plurality of temperature thermocouples and cameras are arranged to acquire temperature data of all parts and the fire development condition and the dripping object flowing condition in the experiment.
Drawings
FIG. 1 is a schematic view of a linear combustion behavior testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a wire body support of the wire body combustion characteristic experiment apparatus provided in the embodiment of the present invention;
fig. 3 is a schematic view of a pylon of the linear combustion characteristic experiment apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a core temperature detection frame of a linear combustion characteristic experiment apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of a tray support of the linear combustion behavior experiment apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic view of a flow tray of the linear combustion behavior experiment apparatus according to an embodiment of the present invention;
fig. 7 is a schematic view of a ruler of the linear combustion characteristic experiment apparatus according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a wire combustion characteristic experiment apparatus, which includes a first balance, a second balance (not shown) and a second balance (not shown) in a cover body 1, the first balance is provided with a wire support 2, the second balance is provided with a tray support 3, the tray support is provided with a dripping tray 4, a wire 5 is hung on the wire support 2, a projection of the wire 5 along a vertical direction falls on the dripping tray 4, and at least one side of the cover body 1 can slide to adjust an opening degree.
In the embodiment, the wire is arranged above the flowing tray, after the wire is ignited, the outer polymer material can drop on the wire, the flowing state of the polymer liquid drops and the spreading condition of flowing fire can be researched, meanwhile, the fire can also spread on the wire, the development condition of the fire on the wire can be researched, the flowing characteristic of the dropping substances of the polymer material and the fire spreading characteristic can be conveniently realized, and the method has positive significance for mastering the development rules of the fire of different materials. Whole experimental apparatus arranges the cover body 1 in, and the aperture of the cover body 1 is adjustable simultaneously, can cover internal oxygen supply volume through the area of contact control that changes the cover body and air, conveniently controls the intensity of a fire, can simulate the condition of a fire under the different oxygen contents and stretch the condition. The burning and dropping loss conditions of the wire rod and the dropping amount of the melt can be obtained through the first day and the second balance, and the burning speed and the dropping speed can be conveniently and quantitatively researched.
Furthermore, a plurality of wires 5 can be fixed on the wire support 2 at intervals, and the inclination angles of the wires 5 are adjustable, so that the fire spreading conditions of the plurality of wires 5 in parallel and the wires 5 at different inclination angles can be simulated, and meanwhile, the inclination angles of the flowing tray 4 can be changed on the tray support 3, so that the molten material flowing conditions and the flowing fire development conditions at different inclination angles can be researched.
In order to collect data conveniently, a wire temperature thermocouple 13 facing a fixed position of the wire 5 is arranged on the side surface of the wire 5, and a core thermocouple 14 for detecting the temperature of an inner core of the wire 5 is arranged at one end of the wire 5; a melt thermocouple 41 is arranged along the length direction of the flowing tray 4; a camera 15 is respectively fixed on the side surface and the end surface of the wire 5; therefore, the burning temperature of the wire 5, the temperature change of the metal core, the temperature change and distribution condition in the flowing process of the melt, the spreading condition of the fire and the dropping state and position of the melt can be obtained.
Referring to fig. 2, the wire rod support 2 includes a heat insulation plate 21, the heat insulation plate 21 is fixed above the first balance through a plurality of columns 22, so that the weight acting on the wire rod support 2 is completely acted on the first balance, the heat insulation plate 21 is provided with at least two parallel suspension beams 23, two sides of the suspension beams 23 are respectively and fixedly connected with the upper surface of the heat insulation plate 21 through fixing columns 24, a hanging rack 51 is hung on the suspension beams 23, two ends of the wire rod 5 are respectively fixed in clamping sleeves 52 at two sides of the hanging rack 51, and the clamping sleeves 52 at two sides can respectively and independently change the height. The change in the height of the clamping sleeve 52 causes the wire 5 to change its inclination.
The middle of the suspension beam 23 is provided with a suspension groove 25, referring to fig. 3, the hanger 51 comprises a first hanging rod 511 suspended on at least two suspension beams 23, a second hanging rod 512 located below the suspension beam 23 is suspended below the first hanging rod 511, two ends of the second hanging rod 512 are respectively fixed with a fixed pulley 53, the fixed pulley 53 is connected with a lifting pulley 55 through a traction rope 54, the fixed pulley 53 rotates to change the height of the lifting pulley 55 through the traction rope 54, and the clamping sleeve 52 is matched with the lifting pulley 55 and can change the height along with the lifting pulley 55. The fixed pulley 53 and the lifting pulley 55 form a pulley block through a traction rope 54, the traction rope 54 is wound and wound or released through the rotation of the fixed pulley 53, the lifting pulley 55 is pulled upwards through the traction rope 54 to realize the lifting control of the lifting pulley 55, the specific winding mode of the traction rope 54 is the prior art, and the fixed pulley 53 can control the rotation angle and the speed through a driving device such as a motor.
The first hanging rod 511 is clamped in the hanging groove 25, and the first hanging rod 511 and the second hanging rod 512 are flexibly connected by a chain, a hook and the like, or are hard connected by a connecting rod and the like.
The clamping sleeve 52 is of a square frame structure, the wire 5 penetrates through a gap in the middle of the square frame and is limited in the clamping sleeve 52 through friction force, in a laboratory, the corresponding clamping sleeve 52 is selected according to the size of the wire 5, the rotating shaft of the lifting pulley 55 is connected with a connecting plate 56 below the lifting pulley 55, at least two hooks 57 connected with the clamping sleeve 52 are arranged below the connecting plate 56, and the clamping sleeve 52 can be quickly hung on the hanging frame 51 by hanging a cross rod above the clamping sleeve 52 through the hooks in use.
When a plurality of wires 5 are arranged at required intervals, a plurality of clamping sleeves 52 connected in series are arranged below the lifting pulley 55, adjacent clamping sleeves 52 are connected through the connecting plate 56, the upper side and the lower side of the connecting plate 56 between the adjacent connecting sleeves 52 are respectively provided with a hook 57, and the hooks 57 at the two sides are respectively hooked with the cross rods of the clamping sleeves 52 above and below, so that the arrangement of the intervals of the plurality of wires 5 is realized, all the wires 5 are parallel to each other and can synchronously adjust the gradient, and the hooks 57 with different lengths can be selected for connecting the clamping sleeves 52 above and below according to different distribution densities and distribution intervals.
Referring to fig. 1 again, a wire temperature thermocouple 13 and a camera 15 are respectively disposed on two sides of the suspension position of the wire 5, the wire temperature thermocouple 13 is fixed on a wire temperature detection frame 16, a plurality of mounting rods are fixed on the wire temperature detection frame 16 along the horizontal direction, and a plurality of wire temperature thermocouples 13 sharing the wire 5 are disposed on each mounting rod.
Referring to fig. 4, the core thermocouple 14 is installed on the core temperature detection frame 17, the core temperature detection frame 17 includes a base 171 and vertical rod 172 fixed on the base 171 along the vertical direction, the surface of the vertical rod 172 is equally spaced and is provided with a plurality of fixing holes, the vertical rod 172 is inserted into the base 171 and can slide to change the height, the base 171 is provided with a fixing pin, the fixing height of the vertical rod 172 is changed through the fixing pin and the fixing hole plug-in cooperation of the position, the vertical rod 172 is provided with a plurality of core thermocouples 14 at different heights, and each wire 5 is corresponding to one core thermocouple 14 through the height of the vertical rod 172.
The drooling tray 4 can change the inclination angle on the tray support 3, and one end close to the first balance is higher than one end of the second balance. Referring to fig. 5, the tray support 3 includes a second fireproof plate 31 and an adjusting frame 32, the second fireproof plate 31 is placed above a second balance, the adjusting frame 32 is connected with the second fireproof plate 31 through at least four supporting columns 33, the adjusting frame 32 includes four lifting slideways 34 respectively located on two sides of the trickling tray 4, two fixing bolts 42 in sliding fit with the lifting slideways 34 are respectively arranged on two sides of the trickling tray 4, so that the weight of the trickling tray 4 is completely applied to the adjusting frame 32 and then transmitted to the second fireproof plate 31 through the adjusting frame 32, and thus the change in the weight of the trickling tray 4 can be directly obtained through the second balance.
Referring to fig. 6, at least the fixing bolt 42 at the end away from the first leveling is installed in a waist-shaped groove 43, the length direction of the waist-shaped groove 43 is the same as the length direction of the dripping tray 4, the fixing bolts 42 at the two sides of the same end are coaxial, when the inclination of the dripping tray 4 needs to be adjusted, the fixing bolt 42 is loosened, the angle of the dripping tray 4 is adjusted manually, the position of the fixing bolt 42 in the waist-shaped groove 43 is changed while the angle is changed, and the fixing bolt 42 is tightened again after the position is determined.
The lifting slide way 34 can be further fixed with a fixing block 35 for supporting the fixing bolt 42, so that the fixing bolt 42 can be prevented from accidentally sliding off in a fixed state, the fixing block 35 is fixedly connected with the lifting slide way 34 through a bolt, and waist-shaped grooves in the vertical direction can be formed in vertical plates on two sides of the lifting slide way 34 and used for being connected with the bolt of the fixing block 35.
The camera 15 on the end face of the wire 5 is suspended above the flowing tray 4 towards the wire 5.
Referring to fig. 7, at least one angle square 44 is fixed to a side of the dripping tray 4, a collar 441 capable of being sleeved on the fixing bolt 42 is arranged at the center of the angle square 44, a limit plate 442 abutting against the bottom of the dripping tray 4 is fixed to each of two sides of the angle square, the angle square 44 is hung on the fixing bolt 42 through the collar 441, and is kept relatively fixed to the bottom of the dripping tray 4 under the action of the limit plates 442 on the two sides, when the dripping tray 4 rotates, the angle square 44 rotates along with the rotation, so that the inclination angle of the dripping tray 4 can be determined through the value of the angle square 44. Further, a pointer 443 is fixed to the fixing bolt 42 of the fixing collar 441 and is disposed in a vertical direction, so that a more accurate inclination angle can be obtained by reading the pointer 443.
During the test, the specification and the distance of the clamping sleeve 52 are determined according to the size of a cable or a stay cable used in the test, after the wire 5 is fixed, the inclination angle of the wire 5 and the flowing tray 4 is adjusted, then the test position of the wire 5 is ignited by the handheld igniter, the melting point, the ignition point and the core body temperature change of the wire can be researched through the temperature data of the wire temperature thermocouple 13 and the core body thermocouple 14, the flowing characteristic of a melt and the developing characteristic of flowing fire can be obtained through the temperature of the melt thermocouple 41, a combustion picture is obtained through the two cameras 15, the developing condition of the fire behavior under the unclear inclination angle and the effect of the flowing fire on the fire condition development can be determined, and reference is provided for researching the flowing characteristic of the dripping object and the fire spreading characteristic.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a wire rod combustion behavior experimental apparatus which characterized in that: the wire rod hanging cover comprises a first balance and a second balance, wherein the first balance and the second balance are arranged in a cover body, a wire rod support is arranged on the first balance, a tray support is arranged on the second balance, a flowing tray is arranged on the tray support, the wire rod is hung on the wire rod support, the wire rod falls on the flowing tray along the projection in the vertical direction, and at least one side of the cover body can slide to adjust the opening degree.
2. The wire rod combustion characteristic experiment device according to claim 1, wherein: a plurality of wires can be fixed at intervals on the wire support, and the inclination of the wires can be adjusted by the wire support.
3. The wire rod combustion characteristic experiment device according to claim 2, wherein: the wire rod support comprises a heat insulation plate, the heat insulation plate is fixed above a first antenna through a plurality of stand columns, at least two parallel suspension beams are arranged on the heat insulation plate, two sides of each suspension beam are fixedly connected with the upper surface of the heat insulation plate through fixing columns respectively, a hanging frame is hung on each suspension beam, two ends of a wire rod are fixed in clamping sleeves on two sides of the hanging frame respectively, and the clamping sleeves on the two sides can change height independently respectively.
4. The wire rod combustion characteristic experiment device according to claim 3, wherein: the hanging device is characterized in that a hanging groove is formed in the middle of the hanging beam, the hanging frame comprises first hanging rods hung on at least two hanging beams, a second hanging rod located below the hanging beam is hung below the first hanging rods, two ends of the second hanging rod are respectively fixed with a fixed pulley, the fixed pulleys are connected with a lifting pulley through a traction rope, the fixed pulleys rotate to change the height of the lifting pulley through the traction rope, and the clamping sleeve follows the lifting pulley to adjust the position.
5. The wire rod combustion characteristic experiment device according to claim 4, wherein: the wire rod passes through a gap in the middle of the square frame and is limited in the clamping sleeve through friction, a rotating shaft of the lifting pulley is connected with a connecting plate below the lifting pulley, and two hooks connected with the clamping sleeve are arranged below the connecting plate.
6. The wire rod combustion characteristic experiment device according to claim 5, wherein: a plurality of clamping sleeves are arranged below the lifting pulley, adjacent clamping sleeves are connected through the connecting plate, and hooks connected with the upper clamping sleeves and the lower clamping sleeves in a hanging mode are arranged on the upper side and the lower side of the connecting plate between the adjacent connecting sleeves respectively.
7. The wire rod combustion characteristic experiment device according to claim 1, wherein: a wire temperature thermocouple facing a wire fixing position is arranged on the side surface of the wire, and a core body thermocouple for detecting the temperature of an inner core of the wire is arranged at one end of the wire; melt thermocouples are arranged along the length direction of the flowing tray;
and the side surface and the end surface of the wire are respectively fixed with a camera.
8. The wire rod combustion characteristic experiment device according to claim 1, wherein: the drooling tray can change the inclination angle on the tray support, and one end close to the first balance is higher than one end of the second balance.
9. The wire rod combustion characteristic experiment device according to claim 8, wherein: the tray support comprises a second fireproof plate and an adjusting frame, the second fireproof plate is placed above a second balance, the adjusting frame is connected with the second fireproof plate through at least four supporting columns, the adjusting frame comprises four lifting slide ways which are respectively positioned at two sides of the trickling tray, two fixing bolts in sliding fit with the lifting slide ways are respectively arranged at two sides of the trickling tray, the fixing bolts at least far away from one end of the first sagging plate are arranged in the waist-shaped groove, the length direction of the waist-shaped groove is the same as that of the trickling tray, and the fixing bolts at two sides of the same end are coaxial.
10. The wire rod combustion characteristic experiment device according to claim 9, wherein: the side of the trickling tray is at least fixed with a protractor, the center of the protractor is provided with a lantern ring which can be sleeved on a fixing bolt, two sides of the protractor are respectively fixed with a limiting plate which is abutted against the lower surface of the bottom of the trickling tray, and a pointer which is arranged along the vertical direction is also fixed on the fixing bolt of the fixing lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378036.3A CN113092519B (en) | 2021-04-08 | 2021-04-08 | Wire combustion characteristic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378036.3A CN113092519B (en) | 2021-04-08 | 2021-04-08 | Wire combustion characteristic test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113092519A true CN113092519A (en) | 2021-07-09 |
| CN113092519B CN113092519B (en) | 2023-07-25 |
Family
ID=76675473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110378036.3A Active CN113092519B (en) | 2021-04-08 | 2021-04-08 | Wire combustion characteristic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113092519B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990347A (en) * | 2023-09-26 | 2023-11-03 | 山东华宝环保新材料有限公司 | Flame retardant property testing device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001091507A (en) * | 1999-09-17 | 2001-04-06 | Toyo Seiki Seisakusho:Kk | Combustion device of material combustion analysis tester |
| CN103389254A (en) * | 2013-07-30 | 2013-11-13 | 中国科学技术大学 | Experiment device for fire spread characteristics of thermal insulation material under external adjustable constant radiation condition |
| KR101462022B1 (en) * | 2013-08-05 | 2014-11-19 | 한국지질자원연구원 | Sample combustion apparatuse using microwave |
| CN105021492A (en) * | 2015-07-27 | 2015-11-04 | 华侨大学 | Apparatus for testing cable heating and combustion characteristics under effect of simulating fault arc |
| CN105181748A (en) * | 2015-07-31 | 2015-12-23 | 华侨大学 | Test device for thermal properties and failure of cable under action of external radiation heat flows |
| CN205263045U (en) * | 2015-11-19 | 2016-05-25 | 清华大学 | Fuel trickling fire combustion experiment platform with adjustable concatenation type inclination |
| CN105929105A (en) * | 2016-06-24 | 2016-09-07 | 德凯宜特（昆山）检测有限公司 | Slanting specimen flame test device for cable |
| CN106290466A (en) * | 2016-08-01 | 2017-01-04 | 国网安徽省电力公司电力科学研究院 | Between bunched cables, fire laterally spreads test device |
| CN110441467A (en) * | 2019-08-27 | 2019-11-12 | 中国科学技术大学 | A kind of lower solid fuel varied angle fire spread experimental provision of ambient wind effect |
| CN110455980A (en) * | 2019-08-26 | 2019-11-15 | 华侨大学 | A kind of timber fire under radiation environment spreads process test device |
| JP2020139903A (en) * | 2019-03-01 | 2020-09-03 | 日立金属株式会社 | Evaluation method for wire coating material |
| CN111855888A (en) * | 2020-07-23 | 2020-10-30 | 合肥工业大学 | Small-scale fire flowing simulation experiment device and method capable of adjusting gradient and underlying surface |
-
2021
- 2021-04-08 CN CN202110378036.3A patent/CN113092519B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001091507A (en) * | 1999-09-17 | 2001-04-06 | Toyo Seiki Seisakusho:Kk | Combustion device of material combustion analysis tester |
| CN103389254A (en) * | 2013-07-30 | 2013-11-13 | 中国科学技术大学 | Experiment device for fire spread characteristics of thermal insulation material under external adjustable constant radiation condition |
| KR101462022B1 (en) * | 2013-08-05 | 2014-11-19 | 한국지질자원연구원 | Sample combustion apparatuse using microwave |
| CN105021492A (en) * | 2015-07-27 | 2015-11-04 | 华侨大学 | Apparatus for testing cable heating and combustion characteristics under effect of simulating fault arc |
| CN105181748A (en) * | 2015-07-31 | 2015-12-23 | 华侨大学 | Test device for thermal properties and failure of cable under action of external radiation heat flows |
| CN205263045U (en) * | 2015-11-19 | 2016-05-25 | 清华大学 | Fuel trickling fire combustion experiment platform with adjustable concatenation type inclination |
| CN105929105A (en) * | 2016-06-24 | 2016-09-07 | 德凯宜特（昆山）检测有限公司 | Slanting specimen flame test device for cable |
| CN106290466A (en) * | 2016-08-01 | 2017-01-04 | 国网安徽省电力公司电力科学研究院 | Between bunched cables, fire laterally spreads test device |
| JP2020139903A (en) * | 2019-03-01 | 2020-09-03 | 日立金属株式会社 | Evaluation method for wire coating material |
| CN110455980A (en) * | 2019-08-26 | 2019-11-15 | 华侨大学 | A kind of timber fire under radiation environment spreads process test device |
| CN110441467A (en) * | 2019-08-27 | 2019-11-12 | 中国科学技术大学 | A kind of lower solid fuel varied angle fire spread experimental provision of ambient wind effect |
| CN111855888A (en) * | 2020-07-23 | 2020-10-30 | 合肥工业大学 | Small-scale fire flowing simulation experiment device and method capable of adjusting gradient and underlying surface |
Non-Patent Citations (2)
| Title |
|---|
| 李晓康等: "防火涂料对电缆燃烧性能的影响研究", 《中国安全学学报》, pages 16 - 22 * |
| 龚泰;黄鑫炎;谢启源;: "基于桶式环形加热的阻燃电缆细观竖直燃烧特性研究实验平台的设计", 火灾科学, no. 04, pages 40 - 45 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990347A (en) * | 2023-09-26 | 2023-11-03 | 山东华宝环保新材料有限公司 | Flame retardant property testing device |
| CN116990347B (en) * | 2023-09-26 | 2023-12-29 | 山东华宝环保新材料有限公司 | Flame retardant property testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113092519B (en) | 2023-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113092519A (en) | Wire rod combustion characteristic test device | |
| CN110441467A (en) | A kind of lower solid fuel varied angle fire spread experimental provision of ambient wind effect | |
| CN105181748A (en) | Test device for thermal properties and failure of cable under action of external radiation heat flows | |
| CN104777040A (en) | Biaxial stress high temperature creep deformation test apparatus | |
| CN210863655U (en) | Solid fuel variable-angle fire spread experimental device under action of ambient wind | |
| CN202870050U (en) | Electric test sample clamp device of automobile wire combustion test chamber | |
| CN113092520A (en) | Experimental device for be used for research of solution stream drip | |
| CN206862930U (en) | Cable fire detects test apparatus | |
| CN212410487U (en) | Fire combustion characteristic testing device for adjacent outer wall facade coupling-configuration heat-insulation board | |
| CN117451917A (en) | Multi-level cable fire spreading and melting drop fire test platform and method | |
| CN209890146U (en) | Constant-force supporting and hanging frame for hanging hammer | |
| CN111505048B (en) | Time-varying radiant heat flow experimental system and measuring method based on distance control | |
| CN206911388U (en) | Possesses the heating iron stand of temperature detecting function | |
| US4508460A (en) | Process and apparatus for continuous measurement of the pour point of oil | |
| CN103389203B (en) | Hat-and-coat hook stabilizing test device and test method | |
| CN113945243A (en) | Coupling experiment device and method for cable fire spreading of power cabin of urban underground comprehensive pipe gallery | |
| CN114441705B (en) | Multi-parameter continuously adjustable cable fire spreading experimental device and method thereof | |
| CN218099044U (en) | Single wire and cable vertical combustion test piece straightening instrument | |
| CN106563916B (en) | A kind of shaft part copper sheathing heating jacket tooling | |
| CN216900409U (en) | Inclination-adjustable device for testing combustion and fire spreading characteristics of molten material | |
| CN205404463U (en) | Hot barrier propterty testing arrangement of fabrics | |
| CN208736842U (en) | A kind of fixed device of sample rack suitable for vertical burn flammability tester | |
| CN221225688U (en) | Friction force experimental device | |
| CN110793777B (en) | Testing arrangement of effect is preheated in simulation diesel engine intake duct environment air admission | |
| CN218674624U (en) | Testing device for flowing fire research |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |