CN111999427B - Detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable - Google Patents
Detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable Download PDFInfo
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- CN111999427B CN111999427B CN202010643616.6A CN202010643616A CN111999427B CN 111999427 B CN111999427 B CN 111999427B CN 202010643616 A CN202010643616 A CN 202010643616A CN 111999427 B CN111999427 B CN 111999427B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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Abstract
The invention relates to a detection device for a high-flame-retardant halogen-free low-smoke low-toxicity power cable, which comprises a shell, wherein a pull piece used for clamping one end of the cable and driving the cable to move to the other side of the shell is arranged in the shell, a flame sprayer used for spraying flame to the cable to detect the fire resistance of the cable is arranged below the cable in the shell, and a PH detector and a conductivity detector used for detecting smoke generated after the cable is burnt are arranged above the cable. The invention is provided with a structure similar to a drawer, one end of the cable is clamped and fixed by the clamping plate in the drawing piece and then is directly pushed to the other side of the shell, so that the cable directly passes through the through hole and passes out from the other side of the outer side, the cable is simple and convenient to puncture, the problem that the cable cannot directly pass through the opposite side due to the flexibility of the cable is avoided, the invention also adds the detection of halogen free and toxicity on the basis of the original detection of the flame retardant and burning resistant characteristics of the cable, and the detection range is enlarged.
Description
Technical Field
The invention relates to the technical field of cable processing detection, in particular to a detection device for a high-flame-retardant halogen-free low-smoke low-toxicity power cable.
Background
The flame-retardant cable is mainly classified into a common polyvinyl chloride (PVC) flame-retardant wire and cable and a low-smoke halogen-free flame-retardant (LSZH) wire and cable according to whether the synthetic material contains halogen. The matrix resin of LSZH wire and cable material is halogen-free polyolefin, which decomposes water and carbon dioxide during combustion without generating obvious smoke and toxic gas. When the flame-retardant electric wire and cable are burnt by flame, the flame can spread within a specified limited range, after a fire source is removed, residual flame and residual ignition can be automatically extinguished within a limited time, and the cable cannot be further damaged; when the fire-resistant cable is burnt by flame, the fire-resistant cable can keep normal operation characteristics after being burnt in the flame for a certain time. Compared with the common PVC flame-retardant wires and cables, the LSZH wires and cables have the following advantages: the halogen-free flame-retardant material does not contain halogen, and no harmful gas or corrosive gas is generated during combustion; secondly, the smoke quantity is small during combustion; excellent flame retardant property; and fourthly, the alloy does not contain heavy metals such as lead and the like, and can be recycled or discarded without causing harm to the environment. At present, in consideration of social safety and environmental protection, the state clearly requires that LSZH wires and cables are selected in special occasions such as an Olympic center, a subway, an airport, a station, a nuclear power station, a ship, chemical engineering, high-rise buildings and the like; of course, LSZH wire and cable are widely used in other applications.
When current carry out the fire resistance to high fire-retardant no halogen low smoke low toxicity power cable and detect, the user penetrates the arbitrary one end of cable from detection device's a side hole to wear out in the hole of opposite side, thereby detect a segment cable part that lies in detection device, but this kind of mode is very inconvenient when the hole is worn out, because the cable is soft material, the hole opposite can't direct puncture, lead to the perforation inefficiency, detection speed is slow.
Disclosure of Invention
The invention provides a detection device for a high-flame-retardant halogen-free low-smoke low-toxicity power cable, aiming at meeting the requirement that the cable can quickly penetrate through the whole detection device when the flame retardance of the high-flame-retardant halogen-free low-smoke low-toxicity power cable is detected.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a high fire-retardant does not have steamed low cigarette low toxicity power cable's detection device, includes the shell, the inside of shell is provided with and is used for carrying out the centre gripping to cable one end and drives it to the pull piece that the shell opposite side carries out the removal, the inside of shell is provided with in the below of cable and spouts the firearms that fire detection its is refractiveness to the cable, and the top of cable is provided with PH detector and conductivity detector that flue gas carries out the detection after firing the cable.
The drawer structure is characterized in that a drawer hole with an isosceles trapezoid cross section is formed in one side of the shell, the drawer is arranged in the drawer hole in a drawing and sliding mode and comprises a movable frame, a penetrating hole formed in the surface of the movable frame corresponds to a penetrating hole in the other side of the shell, and the penetrating hole are matched with the truncated cone-shaped plug.
And auxiliary plates are connected to two sides of the movable frame in a sliding manner, are arranged in sliding grooves on the inner wall of the shell in a sliding manner, and are stretched outwards by a maximum distance which is half of the length of the auxiliary plates.
The movable frame comprises an outer baffle, a handle is arranged on the surface of the outer baffle, the cross section of the outer baffle is in an isosceles trapezoid shape, and the outer baffle is matched with the drawer hole.
The left side and the right side of the outer baffle are respectively and fixedly connected with one end of two side plates, and the side plates slide with the inner side grooves of the inner wall of the auxiliary plate through side sliding blocks on the outer wall.
Two half board in the other end downside fixedly connected with of curb plate, two the other end upside of curb plate slides and is provided with splint, this splint with interior half board cooperatees and is used for carrying out the centre gripping to the one end of cable, splint with the surface of interior half board is seted up semicircular first hole and second hole respectively, first hole with second hole constitution forms the round hole of accomplishing.
The clamping plates slide up and down through T-shaped pins sliding in limiting grooves formed in the side plates on two sides, stepped limiting holes are formed in the two clamping plates, limiting rods fixed with the inner half plates are arranged in the limiting holes, springs are sleeved on the outer sides of the limiting rods, and the springs are located in the limiting holes.
The inside gas washer bottle that is provided with two splendid attire distilled water or demineralized water of shell, this gas washer bottle with the PH detector with conductivity detector one-to-one, the side of shell is provided with the control cabinet, this control cabinet with flame thrower the PH detector and conductivity detector looks electrical connection is used for controlling its operation.
An air inlet pipe and an exhaust pipe are respectively arranged on two sides above the shell, and an observation window is arranged on one side, opposite to the control console, of the shell.
The inside of shell is located the top of flame thrower is provided with the fire baffle, the fire baffle slope is provided with a plurality ofly and the hole of passing fire of top cable one-to-one, and the top of this fire baffle is rotated and is provided with sectorial being used for right the hole of passing fire carries out confined opening plate, has seted up a plurality of arcs and a plurality of on this opening plate the hole of passing fire one-to-one, opening plate's minimum is run through the outer wall of shell and with shell outer wall fixed connection's motor rotates and is connected.
The beneficial effects of the invention are:
the invention is provided with a structure similar to a drawer type structure, one end of the cable is clamped and fixed by the clamping plate in the pull piece and then is directly pushed to the other side of the shell, so that the cable directly passes through the through hole and passes out from the other side of the outer side, the cable puncture is simple and convenient, and the problem of low efficiency caused by the fact that the cable cannot directly pass through the opposite side due to the flexibility of the cable is avoided.
The invention also increases the detection of halogen-free and toxic or not on the basis of the original detection of the flame-retardant and burning-resistant characteristics of the cable, increases the detection range and improves the items and efficiency of single detection.
The fire-through hole of the fire baffle plate above the flame thrower is sealed by the fan-shaped opening plate, so that a user can conveniently close the fire-through hole according to the use condition, the firepower intensity of the reserved fire-through hole is increased, and the waste of firepower is avoided.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
figure 4 is a first perspective view of the drawer of the present invention;
Figure 5 is a second isometric view of the drawer of the present invention;
figure 6 is a schematic cross-sectional view of the drawer of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
fig. 8 is a schematic view showing the structure of the fire damper and the opening plate of fig. 6.
In the figure: 1. a housing; 11. a drawer hole; 12. an outlet hole is formed; 13. a plug; 14. a side chute; 15. a fire shield; 151. a fire-permeable hole; 16. a motor; 17. opening and closing the board; 171. an arc-shaped slot; 2. a drawer; 21. moving the frame; 211. an outer baffle; 2111. a penetration hole; 2112. a handle; 212. a side plate; 2121. a side slider; 213. an inner half plate; 2131. a lower half hole; 2132. a limiting groove; 22. an auxiliary plate; 221. an inner side groove; 23. a splint; 231. an upper half-hole; 232. a T-shaped foot; 233. a limiting hole; 234. a limiting rod; 235. a spring; 3. an air inlet pipe; 4. an exhaust pipe; 5. a flame thrower; 6. a pH detector; 7. a conductivity detector; 8. a console; 9. and (4) an observation window.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 8, a detection device for a high-flame-retardant halogen-free low-smoke low-toxicity power cable comprises a housing 1, wherein a drawing piece 2 used for clamping one end of the cable and driving the cable to move towards the other side of the housing 1 is arranged in the housing 1, a flame sprayer 5 used for spraying flame to the cable to detect the fire resistance of the cable is arranged in the housing 1 below the cable, and a PH detector 6 and a conductivity detector 7 used for detecting the smoke generated after the cable is burned are arranged above the cable.
One side of the shell 1 is provided with a drawer hole 11 with an isosceles trapezoid cross section, a drawing piece 2 is drawn and slid in the drawer hole 11, the drawing piece 2 comprises a movable frame 21, a penetrating hole 2111 formed in the surface of the movable frame 21 corresponds to a penetrating hole 12 in the other side of the shell 1, and the penetrating hole 2111 and the penetrating hole 12 are matched with a circular truncated cone-shaped plug 13. The longitudinal section in drawer hole 11 is vertical setting isosceles trapezoid, thereby outside open area is greater than interior open area, and suppress when inwards removing splint 23, the realization is to the extrusion of cable, it all sets up to rubber to wear hole 2111 and wear out 12 inner walls in the hole, be convenient for with the laminating of cable outer wall, the revealing of flue gas has been avoided, simultaneously need not use to get to wear hole 2111 and wear out 12 in the hole stopper 13, avoid the flue gas to reveal the pollution that causes the surrounding environment.
The moving frame 21 includes an outer baffle 211, a handle 2112 is provided on the surface of the outer baffle 211, the cross section of the outer baffle 211 is isosceles trapezoid, and the outer baffle 211 is adapted to the drawer hole 11. Outer baffle 211 isosceles trapezoid sets up and drawer looks adaptation for block drawer hole 11, avoid revealing of flue gas.
One ends of two side plates 212 are fixedly connected to both left and right sides of the outer barrier 211, respectively, and the side plates 212 slide in the inner grooves 221 of the inner wall of the auxiliary plate 22 via the side sliders 2121 of the outer wall. The length of the inner slot 221 is less than half of the length of the side plate 212, so that the side plate 212 slides to the end of the inner slot 221 of the auxiliary plate 22 through the side slider 2121, the auxiliary plate 22 is driven to slide in the side slot 14 of the housing 1, and the whole drawer 2 can be completely drawn out through the sectional arrangement without falling.
The inner half plate 213 is fixedly connected to the lower sides of the other ends of the two side plates 212, the clamping plate 23 is slidably arranged on the upper sides of the other ends of the two side plates 212, the clamping plate 23 and the inner half plate 213 are matched to clamp one end of a cable, semicircular upper half holes 231 and semicircular lower half holes 2131 are respectively formed in the surfaces of the clamping plate 23 and the inner half plate 213, and the upper half holes 231 and the lower half holes 2131 form a completed round hole. The round hole formed by the upper half hole 231 and the lower half hole 2131 is slightly smaller than the diameter of the outer sleeve of the cable, and the outer sleeve of the cable is extruded and clamped to a certain extent.
The clamp plate 23 slides up and down through the T-shaped leg 232 sliding in the limiting groove 2132 formed on the side plate 212 at two sides, the two clamp plates 23 are provided with stepped limiting holes 233, the limiting holes 233 are provided with limiting rods 234 fixed with the inner half plate 213, the outer side of the limiting rods 234 is sleeved with springs 235, and the springs 235 are positioned in the limiting holes 233. The diameter below the stepped limiting hole 233 is large for accommodating a spring 235, the clamping plate 23 is pushed by the spring 235 to move upwards along the limiting rod 234, the T-shaped feet 232 on two sides of the clamping plate 23 move upwards in the limiting groove 2132, the distance between the upper half hole 231 of the clamping plate 23 and the lower half hole 2131 of the inner half plate 213 is shortened, the cable head can be conveniently inserted, the surface of the clamping plate 23 is provided with an inclined surface, the inclined surface is attached to the inclined surface of the upper surface of the drawer hole 11, the clamping plate 23 moves downwards to clamp the cable head together with the inner half plate 213 under the pressing of the drawer hole 11, two clamping plates 23 always slide along the outer side ring grooves of the side sliding grooves 14 in the pushing process until entering the ring groove penetrating through one side of the hole 12 to be finally limited and pressed.
Two gas washing bottles containing distilled water or softened water are arranged inside the shell 1, the gas washing bottles correspond to the PH detectors 6 and the conductivity detectors 7 one by one, a control console 8 is arranged on the side face of the shell 1, and the control console 8 is electrically connected with the flame thrower 5, the PH detectors 6 and the conductivity detectors 7 to control the operation of the gas washing bottles. The temperature of the cable detection position should be not lower than 935 ℃, the temperature of the flame thrower 5300mm along the air flow direction should be not lower than 900 ℃, and the combustion process under the air flow condition should last for 30min in the shell 1. And (3) bubbling, absorbing and burning the smoke gas released by a gas washing bottle containing distilled water or softened water, measuring the pH value and the conductivity of the solution, and obtaining the halogen-free flame-retardant wire or cable when the measured pH value is more than or equal to 4.3 and the measured conductivity value is less than or equal to 10 mu S/mm.
An air inlet pipe 3 and an air outlet pipe 4 are respectively arranged on two sides above the shell 1, and an observation window 9 is arranged on one side of the shell 1 opposite to the control console 8. The setting of observation window 9 is used for the measurement personnel to carry out direct observation and record to the condition of starting a fire of cable, also is used for observing the cable puncture situation simultaneously, and intake pipe 3 is used for leading-in new air to the inside of shell 1, and blast pipe 4 is used for discharging behind the air purification after with inside measuring, avoids disturbing next experiment.
The inside top that is located flame thrower 5 of shell 1 is provided with fire baffle 15, the 15 slopes of fire baffle are provided with a plurality ofly and the hole 151 that passes through fire of top cable one-to-one, this fire baffle 15's top is rotated and is provided with sectorial being used for and carries out confined opening plate 17 to passing through fire hole 151, a plurality of arcs 171 and a plurality of hole 151 one-to-ones that pass through fire have been seted up on this opening plate 17, opening plate 17's minimum end runs through shell 1's outer wall and rotates with shell 1 outer wall fixed connection's motor 16 and be connected. The starter motor 16 anticlockwise rotation, drive division board 17 anticlockwise rotation, the bulge on the division board 17 at first shelters from apart from the farthest ventilative hole 151 of motor 16, rotate according to the order of far away to near by motor 16 one by one and close to all the other ventilative holes 151 along with slowly rotating, the setting of arc wall 171 is guaranteed to close only ventilative hole 151 at the pivoted in-process at every turn, division board 17 sets up to fan-shaped, thereby do not influence motor 16 on the one hand and drive its rotation in the outside with the setting of sectorial apex angle, on the other hand avoids motor 16 to receive the injury of flame thrower 5 in inside, one row of ventilative hole 151 that the low-angle slope set up just can accomplish its confined effect when rotating for cooperation division board 17.
When in use: firstly, the user holds the handle 2112 of the drawer 2 and pulls the drawer 2 outwards, the movable frame 21 in the drawer 2 moves outwards, when the side slider 2121 of the side plate 212 slides to the end of the inner slot 221 of the auxiliary plate 22, the auxiliary plate 22 is driven to slide outwards until the auxiliary plate 22 slides to the end of the side sliding slot 14, at this time, the whole movable frame 21 moves to the side of the housing 1, the clamping plate 23 springs upwards to open the gap between the clamping plate 23 and the inner half plate 213 under the action of the inner spring 235, then the user passes one end of the cable through the through hole 2111 and places the cable between the upper half hole 231 and the lower half hole 2131 between the clamping plate 23 and the inner half plate 213, then the drawer 2 is pushed to push back to the inside of the housing 1 again, the upper surface of the clamping plate 23 is an inclined plane, thereby the cable is slowly compressed and contracted under the action of the drawer hole 11 and is slowly clamped and fixed in the upper half hole 231, the drawer 2 is pushed to move inwards continuously, the side slider 2121 of the side plate 212 slides to the end of the other end of the inner side groove 221 of the auxiliary plate 22 again to drive the auxiliary plate 22 to retract, the auxiliary plate 22 moves slowly in the side groove 14 until the inner half plate 213 of the drawer 2 abuts against the other side of the shell 1, so that the cable head directly penetrates out of the penetrating hole 12, and then a user pulls the cable head outwards to continuously pull any length, thereby completing the cable puncturing operation.
Spout the fire burning to the cable through 8 control flame throwers 5 of control cabinet, and observe the burning of inside cable through observation window 9 and fire the intensity of a fire condition and record, later close flame throwers 5, it can carry out fire-retardant extinction to the surface of burning automatically to observe the cable, the flue gas after the cable burning is absorbed partly by the gas washing bottle simultaneously, PH detector 6 and conductivity detector 7 detect the water in two suction bottles respectively, judge PH value and all the other each item detection parameter in the flue gas, it is outer after purifying device purifies with inside flue gas to start blast pipe 4 at last, at last through intake pipe 3 inside leading-in fresh air, carry out new detection again.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable which characterized in that: the fire-resistant cable is characterized by comprising a shell (1), wherein a pull-out piece (2) used for clamping one end of a cable and driving the cable to move towards the other side of the shell (1) is arranged in the shell (1), a flame sprayer (5) used for spraying fire to the cable to detect the fire resistance of the cable is arranged below the cable in the shell (1), and a PH detector (6) and a conductivity detector (7) used for detecting smoke generated after the cable is burnt are arranged above the cable; drawer hole (11) that the cross-section is isosceles trapezoid are seted up to one side of shell (1), and the inside pull of this drawer hole (11) slides and has pull (2), pull (2) including removing frame (21), should remove that the hole (2111) of wearing that frame (21) surface was seted up with shell (1) opposite side wears to hold (12) corresponding, wear hole (2111) with it all with stopper (13) looks adaptation of round platform form to wear to hold (12).
2. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 1 is characterized in that: auxiliary plates (22) are connected to two sides of the moving frame (21) in a sliding mode, the auxiliary plates (22) are arranged in sliding grooves (14) on the inner wall side of the shell (1) in a sliding mode, and the maximum distance of outward stretching of the auxiliary plates (22) is half of the length of the auxiliary plates.
3. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 2 is characterized in that: remove frame (21) including outer baffle (211), the surface of outer baffle (211) is provided with handle (2112), just the cross-section of outer baffle (211) sets up to isosceles trapezoid, outer baffle (211) with drawer hole (11) looks adaptation.
4. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 3 is characterized in that: the left side and the right side of the outer baffle (211) are respectively and fixedly connected with one end of two side plates (212), and the side plates (212) slide with the inner side grooves (221) of the inner wall of the auxiliary plate (22) through side sliding blocks (2121) of the outer wall.
5. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 4 is characterized in that: the cable clamp comprises two side plates (212), an inner half plate (213) is fixedly connected to the lower side of the other end of each side plate (212), a clamping plate (23) is arranged on the upper side of the other end of each side plate (212) in a sliding mode, the clamping plate (23) is matched with the inner half plate (213) and used for clamping one end of a cable, a semicircular upper half hole (231) and a semicircular lower half hole (2131) are formed in the surfaces of the clamping plate (23) and the inner half plate (213) respectively, and the upper half hole (231) and the lower half hole (2131) form a completed round hole.
6. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 5 is characterized in that: the clamping plate (23) slides up and down through T-shaped feet (232) which slide in limiting grooves (2132) formed in the side plates (212) on two sides, stepped limiting holes (233) are formed in two sides of the clamping plate (23), a limiting rod (234) fixed with the inner half plate (213) is arranged in each limiting hole (233), a spring (235) is sleeved on the outer side of each limiting rod (234), and the spring (235) is located in each limiting hole (233).
7. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 1 is characterized in that: the inside gas washer bottle that is provided with two splendid attire distilled water or demineralized water of shell (1), this gas washer bottle with PH detector (6) with conductivity detector (7) one-to-one, the side of shell (1) is provided with control cabinet (8), this control cabinet (8) with flame thrower (5) PH detector (6) and conductivity detector (7) looks electrical connection is used for controlling its operation.
8. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 7 is characterized in that: the air inlet pipe (3) and the exhaust pipe (4) are respectively arranged on two sides above the shell (1), and an observation window (9) is arranged on one side, opposite to the console (8), of the shell (1).
9. The detection device for the power cable with high flame retardance, no halogen, low smoke and low toxicity according to claim 1 is characterized in that: the inside of shell (1) is located the top of flame thrower (5) is provided with fire baffle (15), fire baffle (15) slope is provided with a plurality of and the fire hole (151) that pass through of top cable one-to-one, and the top of this fire baffle (15) is rotated and is provided with sectorial being used for right fire hole (151) carry out confined open-close plate (17), seted up a plurality of arc walls (171) and a plurality of on this open-close plate (17) fire hole (151) one-to-one, the minimum end of open-close plate (17) runs through the outer wall of shell (1) and with shell (1) outer wall fixed connection's motor (16) rotate and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010643616.6A CN111999427B (en) | 2020-07-07 | 2020-07-07 | Detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010643616.6A CN111999427B (en) | 2020-07-07 | 2020-07-07 | Detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable |
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| Publication Number | Publication Date |
|---|---|
| CN111999427A CN111999427A (en) | 2020-11-27 |
| CN111999427B true CN111999427B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010643616.6A Active CN111999427B (en) | 2020-07-07 | 2020-07-07 | Detection apparatus for high fire-retardant no halogen low smoke low toxicity power cable |
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| CN114878740B (en) * | 2022-05-10 | 2023-10-20 | 安徽广优特电缆科技有限公司 | Processing equipment for flame-retardant and fire-resistant cable |
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Application publication date: 20201127 Assignee: ANHUI HUANENG ELECTRIC APPLIANCE GROUP CO.,LTD. Assignor: ANHUI HUANENG CABLE GROUP Co.,Ltd. Contract record no.: X2023980034967 Denomination of invention: A detection device for high flame retardant, halogen-free, low smoke, and low toxicity power cables Granted publication date: 20220628 License type: Common License Record date: 20230425 |
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Denomination of invention: A detection device for high flame retardant, halogen-free, low smoke, and low toxicity power cables Effective date of registration: 20230911 Granted publication date: 20220628 Pledgee: Gaogou Branch of Anhui Wuwei Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI HUANENG CABLE GROUP Co.,Ltd. Registration number: Y2023980055998 |