CN104378853A - V-type heating sheet - Google Patents
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- CN104378853A CN104378853A CN201410674073.9A CN201410674073A CN104378853A CN 104378853 A CN104378853 A CN 104378853A CN 201410674073 A CN201410674073 A CN 201410674073A CN 104378853 A CN104378853 A CN 104378853A
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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
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Abstract
A V-type heating sheet comprises a thermal insulation slab, the upper surface of the thermal insulation slab is provided with a heating sheet body in a V shape, the upper surface of the thermal insulation slab is connected with the two ends of the V-shaped heating sheet body, the heating sheet body is sleeved with an insulation sleeve, and a plurality of magnets are arranged on the lower surface of the thermal insulation slab. The insulation sleeve is arranged on the periphery of the heating sheet body of the V-type heating sheet and can prevent the heating sheet from leaking electricity, and low-voltage electric shock risks are effectively avoided in the replacement and maintenance processes of the V-type heating sheet. The heating sheet body can attract the side wall of a transformer substation through the magnets arranged on the lower surface of the thermal insulation slab to achieve fixation of the V-type heating sheet, so that the arrangement of the V-type heating sheet is not limited by the space in the transformer substation, and the arrangement range of the V-type heating sheet is enlarged.
Description
Technical field
The present invention relates to a kind of heating plate, specifically a kind of V-type heating plate.
Background technology
V-type heating plate is that converting electric energy becomes heat energy with heating object by one, is a kind of form of utilization of power.The heating plate main body periphery of existing V-type heating plate does not possess insulating case, and operating personnel have low-voltage electric shock dangerous in process V-type heating plate being changed to maintenance, increase and change and safeguard V-type heating plate difficulty and cost.Existing V-type heating plate can only be fixed by nut, and need during installation to offer through hole at the sidewall of transformer station, the set-up time is longer, narrow space in transformer station, and the instruments such as more difficult use spanner, limit the fitting limit of V-type heating plate.
Summary of the invention
The object of this invention is to provide a kind of live line working remote control glider, the problem that low-voltage electric shock, fitting limit are limited can be solved.
The present invention for achieving the above object, be achieved through the following technical solutions: a kind of V-type heating plate, it is characterized in that: comprise heat-insulating shield, heat-insulating shield upper surface arranges heating plate, heating plate main body is V-shaped, the upper surface of heat-insulating shield is connected with the two ends of heating plate main body, and the periphery cover of heating plate has insulating case, and heat-insulating shield lower surface arranges several magnet; Insulating case (1) is with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 30-40 part, polyurethane rubber 35-45 part, ethylene propylene diene rubber 20-30 part, antioxidant 4020 2-4 part, reinforcing agent 2-10 part, three (2-chloroethyl) phosphate 10-15 part, magnesium oxide 5-8 part, zinc oxide 10-15 part, ethylene thiourea 3-7 part and calcium oxide 2-5 part; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1.
The preparation method of described insulating case (1), comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 30-40 part by parts by weight, banbury banburying 2-4 minute is put in the polyurethane rubber of 35-45 part and the ethylene propylene diene rubber mixing of 20-30 part, and banburying temperature is 90-100 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 2-4 part, the reinforcing agent of 2-10 part, the magnesium oxide of 5-8 part, the zinc oxide of 10-15 part in step 1. described banbury, the ethylene thiourea of 3-7 part and the calcium oxide of 2-5 part, continue banburying 5-8 minute; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1;
3. adjust mill temperature 40-45 DEG C, the raw material after step 2. banburying is opened refining 4-8 minute, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10-15 part, thin-pass 2-5 time, obtains high insulating case.
First through hole and the second through hole are set in the middle part of described heat-insulating shield respectively, first through hole and the second through hole are equipped with U-shaped fixed lever, two parallel bars of U-shaped fixed lever are each passed through the first through hole and the second through hole, two parallel bar peripheries of U-shaped fixed lever arrange screw thread, two parallel bars of U-shaped fixed lever are each passed through the first through hole and the second through hole and nut screw connection, and heat-insulating shield lower surface offers holddown groove between the first through hole and the second through hole.Described heat-insulating shield lower surface arranges double faced adhesive tape.
The invention has the advantages that: the present invention is provided with insulating case in the heating plate main body periphery of V-type heating plate and can prevents heating plate from leaking electricity, effectively prevent and V-type heating plate is being changed to the process mesolow Danger Electric shock risk safeguarded.Heating plate main body of the present invention can be held transformer station's sidewall and realize the fixing of V-type heating plate by the magnet being arranged on heat-insulating shield lower surface, make the laying of V-type heating plate not by the restriction in space in transformer station, increase the laying scope of V-type heating plate.Heat-insulating shield can completely cut off the heat trnasfer between heating plate main body and magnet, and magnetic reduces because temperature raises to avoid magnet, and then V-type heating plate is dropped.The present invention uses U-shaped fixed lever as the fixed cell of V-type heating plate, and U-shaped fixed lever coordinates double nut to fix, and V-type heating plate can be fixedly secured at cabinet inwall.Holddown groove when not using U-shaped fixed lever, can make the bottom of U-shaped fixed lever be hidden in holddown groove, facilitating magnet adsorption.The formula of height insulating case of the present invention adopts chlorosulfonated polyethylene rubber, polyurethane rubber and ethylene propylene diene rubber to carry out composite according to specified weight ratio, add the rubber chemicals gained of proper proportion, the fill a prescription rubber tube of gained of the present invention is adopted not only to have heat-resisting, cold-resistant, the oil resistant of existing rubber tube and ageing-resistant advantage, and good insulating, resistivity reaches 109 ohmcm levels, elasticity is large, tensile strength is large, percentage elongation is high, can be applied to and have in the rubber of particular/special requirement to insulating properties and elasticity; Reinforcing agent and three (2-chloroethyl) phosphate of white carbon and aluminium hydroxide mixing gained is added in formula of the present invention, the fire resistance of rubber tube can not only be increased, increase the plasticity of rubber tube, temperature when reducing compound viscosity and open refining, optimized production process condition, and the hot strength of rubber tube, percentage elongation and resistance to wear can be improved.Present invention also offers the preparation technology of high insulating case, preparation process is few, and flow process is easy to operation, is convenient to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is I enlarged drawing of Fig. 1.
Mark illustrates: 1 insulating case 2 heating plate main body 3 heat-insulating shield 4 magnet 5 second through hole 6 nut 7U fixed bar 8 first through hole 9 holddown groove 10 double faced adhesive tape.
Embodiment
V-type heating plate, as shown in Figure 1 and Figure 2, comprises heat-insulating shield 3, heat-insulating shield 3 upper surface arranges heating plate 2, and heating plate main body 2 is V-shaped, and the upper surface of heat-insulating shield 3 is connected with the two ends of heating plate main body 2, the periphery cover of heating plate 2 has insulating case 1, and heat-insulating shield 3 lower surface arranges several magnet 4.The present invention is provided with insulating case 1 in heating plate main body 2 periphery of V-type heating plate and can prevents heating plate 2 from leaking electricity, and effectively prevent and V-type heating plate is being changed to the process mesolow Danger Electric shock risk safeguarded.Heating plate main body of the present invention can be held transformer station's sidewall and realize the fixing of V-type heating plate by the magnet 4 being arranged on heat-insulating shield 3 lower surface, make the laying of V-type heating plate not by the restriction in space in transformer station, increase the laying scope of V-type heating plate.Heat-insulating shield 3 can completely cut off the heat trnasfer between heating plate main body 2 and magnet 4, and magnetic reduces because temperature raises to avoid magnet 4, and then V-type heating plate is dropped.First through hole 8 and the second through hole 5 is set in the middle part of described heat-insulating shield 3 respectively, first through hole 8 and the second through hole 5 are equipped with U-shaped fixed lever 7, two parallel bars of U-shaped fixed lever 7 are each passed through the first through hole 8 and the second through hole 5, two parallel bar peripheries of U-shaped fixed lever 7 arrange screw thread, two parallel bars of U-shaped fixed lever 7 are each passed through the first through hole 8 and the second through hole 5 coordinates with nut 6, and heat-insulating shield 3 lower surface offers holddown groove 9 between the first through hole 8 and the second through hole 5.The present invention uses U-shaped fixed lever 7 as the fixed cell of V-type heating plate, and U-shaped fixed lever 7 coordinates double nut to fix, more firm than the fixed form of traditional single nut.Holddown groove 9 when not using U-shaped fixed lever 7, can make the straight bar of the bottom of U-shaped fixed lever 7 be hidden in holddown groove 9, facilitating magnet 4 to adsorb.Described heat-insulating shield 3 lower surface arranges double faced adhesive tape 10.Double faced adhesive tape 10 of the present invention can increase the firmness that V-type heating plate is connected with transformer station sidewall when using magnet 4 to fix V-type heating plate.The present invention is provided with insulating case 1 in the heating plate main body periphery of V-type heating plate and can prevents heating plate 2 from leaking electricity, and effectively prevent and V-type heating plate is being changed to the process mesolow Danger Electric shock risk safeguarded.Heating plate main body of the present invention can be held transformer station's sidewall and realize the fixing of V-type heating plate by the magnet 4 being arranged on heat-insulating shield 3 lower surface, make the laying of V-type heating plate not by the restriction in space in transformer station, increase the laying scope of V-type heating plate.Heat-insulating shield 3 can completely cut off the heat trnasfer between heating plate main body 2 and magnet 4, and magnetic reduces because temperature raises to avoid magnet 4, and then V-type heating plate is dropped.The present invention uses U-shaped fixed lever 7 as the fixed cell of V-type heating plate, and U-shaped fixed lever coordinates double nut to fix, and V-type heating plate can be fixedly secured at cabinet inwall.Holddown groove 9 when not using U-shaped fixed lever 7, can make the straight bar of the bottom of U-shaped fixed lever 7 be hidden in holddown groove 9, facilitating magnet 4 to adsorb.
A kind of high insulating case, with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 30-40 part, polyurethane rubber 35-45 part, ethylene propylene diene rubber 20-30 part, antioxidant 4020 2-4 part, reinforcing agent 2-10 part, three (2-chloroethyl) phosphate 10-15 part, magnesium oxide 5-8 part, zinc oxide 10-15 part, ethylene thiourea 3-7 part and calcium oxide 2-5 part; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1.
For realizing object of the present invention further, can also by the following technical solutions:
Preferably, a kind of high insulating case, with parts by weight, consists of the following composition: chlorosulfonated polyethylene rubber 35 parts, polyurethane rubber 38 parts, ethylene propylene diene rubber 26 parts, antioxidant 4020 3 parts, reinforcing agent 8 parts, three (2-chloroethyl) phosphate 10 parts, 6 parts, magnesium oxide, 12 parts, zinc oxide, ethylene thiourea 5 parts and 4 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1.
The present invention also comprises a kind of preparation method of high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 30-40 part by parts by weight, banbury banburying 2-4 minute is put in the polyurethane rubber of 35-45 part and the ethylene propylene diene rubber mixing of 20-30 part, and banburying temperature is 90-100 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 2-4 part, the reinforcing agent of 2-10 part, the magnesium oxide of 5-8 part, the zinc oxide of 10-15 part in step 1. described banbury, the ethylene thiourea of 3-7 part and the calcium oxide of 2-5 part, continue banburying 5-8 minute; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1;
3. adjust mill temperature 40-45 DEG C, the raw material after step 2. banburying is opened refining 4-8 minute, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10-15 part, thin-pass 2-4 time, obtains high insulating case.
The preparation method of preferred a kind of high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 35 parts by parts by weight, the ethylene propylene diene rubber mixing of the polyurethane rubber of 38 parts and 26 parts puts into banbury banburying 3 minutes, and banburying temperature is 95 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 3 parts, the reinforcing agent of 8 parts, the magnesium oxide of 6 parts, the zinc oxide of 12 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 5 parts and 4 parts, continue banburying 5-8 minute; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1;
3. adjust mill temperature 44 DEG C, the raw material after step 2. banburying is opened refining 6 minutes, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10 parts, thin-pass 4 times, obtains high insulating case.
Embodiment 1
A kind of high insulating case, with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 30 parts, polyurethane rubber 35 parts, ethylene propylene diene rubber 20 parts, antioxidant 4020 2 parts, reinforcing agent 2 parts, three (2-chloroethyl) phosphate 10 parts, 5 parts, magnesium oxide, 10 parts, zinc oxide, ethylene thiourea 3 parts and 2 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2:1.
Embodiment 2
A kind of high insulating case, with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 40 parts, polyurethane rubber 45 parts, ethylene propylene diene rubber 30 parts, antioxidant 4020 4 parts, reinforcing agent 10 parts, three (2-chloroethyl) phosphate 15 parts, 8 parts, magnesium oxide, 15 parts, zinc oxide, ethylene thiourea 7 parts and 5 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 4:1.
Embodiment 3
A kind of high insulating case, with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 34 parts, polyurethane rubber 38 parts, ethylene propylene diene rubber 28 parts, antioxidant 4020 3 parts, reinforcing agent 6 parts, three (2-chloroethyl) phosphate 12 parts, 7 parts, magnesium oxide, 13 parts, zinc oxide, ethylene thiourea 6 parts and 3 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1.
Embodiment 4
A kind of high insulating case, with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 35 parts, polyurethane rubber 38 parts, ethylene propylene diene rubber 26 parts, antioxidant 4020 3 parts, reinforcing agent 8 parts, three (2-chloroethyl) phosphate 10 parts, 6 parts, magnesium oxide, 12 parts, zinc oxide, ethylene thiourea 5 parts and 4 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1.
Embodiment 5
A preparation method for high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 30 parts by parts by weight, the ethylene propylene diene rubber mixing of the polyurethane rubber of 35 parts and 20 parts puts into banbury banburying 2 minutes, and banburying temperature is 90 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 2 parts, the reinforcing agent of 2 parts, the magnesium oxide of 5 parts, the zinc oxide of 10 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 3 parts and 2 parts, continue banburying 5 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2:1;
3. adjust mill temperature 40 DEG C, the raw material after step 2. banburying is opened refining 4 minutes, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10 parts, thin-pass 2 times, obtains high insulating case.
Embodiment 6
A preparation method for high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 40 parts by parts by weight, banbury banburying 2-4 minute is put in the ethylene propylene diene rubber mixing of the polyurethane rubber of 45 parts and 30 parts, and banburying temperature is 90-100 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 4 parts, the reinforcing agent of 10 parts, the magnesium oxide of 8 parts, the zinc oxide of 15 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 7 parts and 5 parts, continue banburying 8 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 4:1;
3. adjust mill temperature 45 C, the raw material after step 2. banburying is opened refining 8 minutes, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 15 parts, thin-pass 4 times, obtains high insulating case.
Embodiment 7
A preparation method for high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 34 parts by parts by weight, the ethylene propylene diene rubber mixing of the polyurethane rubber of 38 parts and 28 parts puts into banbury banburying 3 minutes, and banburying temperature is 94 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 3 parts, the reinforcing agent of 6 parts, the magnesium oxide of 7 parts, the zinc oxide of 13 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 6 parts and 3 parts, continue banburying 6 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1;
3. adjust mill temperature 42 DEG C, the raw material after step 2. banburying is opened refining 5 minutes, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 12 parts, thin-pass 2-4 time, obtains high insulating case.
Embodiment 8
A preparation method for high insulating case, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 35 parts by parts by weight, the ethylene propylene diene rubber mixing of the polyurethane rubber of 38 parts and 26 parts puts into banbury banburying 3 minutes, and banburying temperature is 95 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 3 parts, the reinforcing agent of 8 parts, the magnesium oxide of 6 parts, the zinc oxide of 12 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 5 parts and 4 parts, continue banburying 5-8 minute; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1;
3. adjust mill temperature 44 DEG C, the raw material after step 2. banburying is opened refining 6 minutes, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10 parts, thin-pass 4 times, obtains high insulating case.
Comparative example 1
A kind of rubber tube, with parts by weight, consists of the following composition: chlorosulfonated polyethylene rubber 30 parts, polyurethane rubber 35 parts, antioxidant 4020 2 parts, reinforcing agent 2 parts, 5 parts, magnesium oxide, 10 parts, zinc oxide, ethylene thiourea 3 parts and 2 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2:1;
A preparation method for rubber tube, comprises the following steps:
1. be that the chlorosulfonated polyethylene rubber of 30 parts and the polyurethane rubber mixing of 35 parts put into banbury banburying 2 minutes by parts by weight, banburying temperature is 90 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 2 parts, the reinforcing agent of 2 parts, the magnesium oxide of 5 parts, the zinc oxide of 10 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 3 parts and 2 parts, continue banburying 5 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2:1;
3. adjust mill temperature 40 DEG C, the raw material after step 2. banburying is opened refining 4 minutes, blanking cools, then drops in mill, and thin-pass 2 times, obtains high insulating case.
Comparative example 2
A kind of rubber tube, with parts by weight, consists of the following composition: chlorosulfonated polyethylene rubber 40 parts, ethylene propylene diene rubber 30 parts, antioxidant 4020 4 parts, reinforcing agent 10 parts, 8 parts, magnesium oxide, 15 parts, zinc oxide, ethylene thiourea 7 parts and 5 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 4:1.
A preparation method for rubber tube, comprises the following steps:
1. be that banbury banburying 2-4 minute is put in the chlorosulfonated polyethylene rubber of 40 parts and the ethylene propylene diene rubber mixing of 30 parts by parts by weight, banburying temperature is 90-100 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 4 parts, the reinforcing agent of 10 parts, the magnesium oxide of 8 parts, the zinc oxide of 15 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 7 parts and 5 parts, continue banburying 8 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 4:1;
3. adjust mill temperature 45 C, the raw material after step 2. banburying is opened refining 8 minutes, blanking cools, then drops in mill, and thin-pass 4 times, obtains high insulating case.
Comparative example 3
A kind of rubber tube, with parts by weight, consists of the following composition: polyurethane rubber 38 parts, ethylene propylene diene rubber 28 parts, antioxidant 4020 3 parts, reinforcing agent 6 parts, 7 parts, magnesium oxide, 13 parts, zinc oxide, ethylene thiourea 6 parts and 3 parts, calcium oxide; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1.
A preparation method for rubber tube, comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 34 parts by parts by weight, the ethylene propylene diene rubber mixing of the polyurethane rubber of 38 parts and 28 parts puts into banbury banburying 3 minutes, and banburying temperature is 94 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 3 parts, the reinforcing agent of 6 parts, the magnesium oxide of 7 parts, the zinc oxide of 13 parts in step 1. described banbury, the calcium oxide of the ethylene thiourea of 6 parts and 3 parts, continue banburying 6 minutes; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 3:1;
3. adjust mill temperature 42 DEG C, the raw material after step 2. banburying is opened refining 5 minutes, blanking cools, then drops in mill, and thin-pass 2-4 time, obtains high insulating case.
The test result of the high insulating case produced according to embodiment 5-8 and comparative example 1-3 is as table 1.
The test result of the high insulating case of table 1 embodiment 5-8 and comparative example 1-3 and production
As can be seen from the correction data of table 1, adopt the rubber proportioning of three components, the insulation resistance of rubber tube can be improved three orders of magnitude, hot strength improves more than 50%, percentage elongation improves more than 65%, and significantly increases durability and the ageing resistace of rubber tube.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The technology contents of the not detailed description of the present invention is known technology.
Claims (4)
1.V type heating plate, it is characterized in that: comprise heat-insulating shield (3), heat-insulating shield (3) upper surface arranges heating plate (2), heating plate main body (2) is V-shaped, the upper surface of heat-insulating shield (3) is connected with the two ends of heating plate main body (2), the periphery cover of heating plate (2) has insulating case (1), and heat-insulating shield (3) lower surface arranges several magnet (4); Insulating case (1) is with parts by weight, consist of the following composition: chlorosulfonated polyethylene rubber 30-40 part, polyurethane rubber 35-45 part, ethylene propylene diene rubber 20-30 part, antioxidant 4020 2-4 part, reinforcing agent 2-10 part, three (2-chloroethyl) phosphate 10-15 part, magnesium oxide 5-8 part, zinc oxide 10-15 part, ethylene thiourea 3-7 part and calcium oxide 2-5 part; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1.
2. V-type heating plate according to claim 1, is characterized in that: the preparation method of described insulating case (1), comprises the following steps:
1. be the chlorosulfonated polyethylene rubber of 30-40 part by parts by weight, banbury banburying 2-4 minute is put in the polyurethane rubber of 35-45 part and the ethylene propylene diene rubber mixing of 20-30 part, and banburying temperature is 90-100 DEG C;
2. continue to add the antioxidant 4020 that parts by weight are 2-4 part, the reinforcing agent of 2-10 part, the magnesium oxide of 5-8 part, the zinc oxide of 10-15 part in step 1. described banbury, the ethylene thiourea of 3-7 part and the calcium oxide of 2-5 part, continue banburying 5-8 minute; Described reinforcing agent is that white carbon and aluminium hydroxide are prepared according to the weight ratio of 2-4:1;
3. adjust mill temperature 40-45 DEG C, the raw material after step 2. banburying is opened refining 4-8 minute, blanking cools, then drops in mill, and add three (2-chloroethyl) phosphate that parts by weight are 10-15 part, thin-pass 2-5 time, obtains high insulating case.
3. V-type heating plate according to claim 1, it is characterized in that: described heat-insulating shield (3) middle part arranges the first through hole (8) and the second through hole (5) respectively, first through hole (8) and the second through hole (5) are equipped with U-shaped fixed lever (7), two parallel bars of U-shaped fixed lever (7) are each passed through the first through hole (8) and the second through hole (5), two parallel bar peripheries of U-shaped fixed lever (7) arrange screw thread, two parallel bars of U-shaped fixed lever (7) are each passed through the first through hole (8) and the second through hole (5) coordinates with nut (6), heat-insulating shield (3) lower surface is positioned between the first through hole (8) and the second through hole (5) offers holddown groove (9).
4. V-type heating plate according to claim 1, is characterized in that: described heat-insulating shield (3) lower surface arranges double faced adhesive tape (10).
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| CN201410674073.9A CN104378853B (en) | 2014-11-21 | 2014-11-21 | V-type heating plate |
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Cited By (1)
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| CN107444846A (en) * | 2017-06-28 | 2017-12-08 | 华能伊敏煤电有限责任公司 | A kind of antifreeze roll banding cylinder of hot type for rubber conveyer |
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| CN101597410A (en) * | 2009-07-02 | 2009-12-09 | 俞国麟 | Grease proofing, fire-retardant chlorinated polyethylene sheath material of good weatherability and preparation method thereof |
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| CN104378853B (en) | 2016-01-06 |
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