CN102072650B - Furnace body transfer switch for medium frequency induction melting furnace - Google Patents
Furnace body transfer switch for medium frequency induction melting furnace Download PDFInfo
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- CN102072650B CN102072650B CN2011100256298A CN201110025629A CN102072650B CN 102072650 B CN102072650 B CN 102072650B CN 2011100256298 A CN2011100256298 A CN 2011100256298A CN 201110025629 A CN201110025629 A CN 201110025629A CN 102072650 B CN102072650 B CN 102072650B
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Abstract
The invention discloses a furnace body transfer switch for a medium frequency induction melting furnace, comprising two groups of furnace body cable connection copper bars, one group of capacitor cable connection bars and two groups of compaction systems; wherein each group of the furnace body cable connection copper bar groups includes an upper copper bar and a lower copper bar which are mutually insulated, one group of the capacitor cable connection copper bars is composed of an upper copper bar and a lower copper bar which are mutually insulated, and each group of the compaction systems is composed of an upper compaction device and a lower compaction device; and each compaction device comprises a hydraulic cylinder, and a universal ball head, a connection board, an insulating board and a conductive board which are sequentially connected with a plunger piston of the hydraulic cylinder. A hydraulic system controls the cable connection copper bars and the capacitor cable connection copper bars of one of the furnace bodies to be switched on in a work state and controls the other furnace body to be cut off in a safe non-electric state through the two groups of compaction systems.
Description
Technical field
The present invention relates to change the stove change-over switch, be specifically related to be used for the body of heater change-over switch of medium frequency induction melting furnace.
Background technology
The body of heater change-over switch of medium frequency induction melting furnace is in order to improve the working furnace switching efficiency, to improve and change the stove reliability and reduce labor strength.Medium frequency induction melting furnace has two bodies of heater of A/B (worker one is equipped with); When needs switch operating stove; Tradition is changed the stove switch and is switched the body of heater method of operating: under (power failure) state of not working at medium frequency induction melting furnace; Manual work is pulled down and is changed the stove switch use in connecting " A stove cable connects copper bar " conductive plate (being generally bolt connects) with " the capacitor cable is connected copper bar ", is installed between " B stove cable connects copper bar " and " the capacitor cable is connected copper bar " (being generally the bolt connection) then with realization switching body of heater.Vice versa.This kind method of operating, length consuming time, inefficiency, it is unreliable to connect.And require ascend operation, have potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of can increasing work efficiency, simple in structure, easy to operate, the body of heater change-over switch of the medium frequency induction melting furnace that security reliability is high.
For reaching above-mentioned purpose; The body of heater change-over switch of medium frequency induction melting furnace of the present invention comprises bracing frame; Two groups of body of heater cables connect copper bar; One group capacitor cable connects copper bar and two groups of pressing systems; Every group of body of heater cable connects copper bar and has two copper bars up and down; Up and down between two copper bars insulating barrier is being arranged, a group capacitor cable connects copper bar and is made up of two copper bars up and down, between two copper bars insulating barrier is arranged also up and down at the capacitor cable; The last copper bar that two groups of body of heater cables connect copper bars is connected copper bar with the capacitor cable last copper bar is separated by at same horizontal plane; The following copper bar that the body of heater cable connects copper bar is connected copper bar with the capacitor cable following copper bar is separated by at same horizontal plane, and every group of pressing system is made up of two hold down gags up and down that are fixed on the bracing frame, and each hold down gag comprises and connects universal ball end, connecting plate, insulation board and conductive plate on hydraulic cylinder, the cylinder plunger successively; The conductive plate of two hold down gags is corresponding up and down; The conductive plate of the last hold down gag of first group of pressing system is positioned at last copper bar that first group of body of heater cable connect copper bar is connected copper bar on the copper bar with the capacitor cable top, and the following copper bar that the conductive plate of the following hold down gag of first group of pressing system is positioned at first group of body of heater cable connection copper bar is connected the below of copper bar under the copper bar with the capacitor cable, and the last copper bar that the conductive plate of the last hold down gag of second group of pressing system is positioned at second group of body of heater cable connection copper bar is connected the top of copper bar on the copper bar with the capacitor cable; The conductive plate of the following hold down gag of second group of pressing system is positioned at following copper bar that second group of body of heater cable connect copper bar is connected copper bar under the copper bar with the capacitor cable below; When first group of pressing system of HYDRAULIC CONTROL SYSTEM the conductive plate of two hold down gags compresses up and down the time, the conductive plate of second group hold down gag breaks off, capacitor cable the last copper bar that connects copper bar is connected the last copper bar connection of copper bar with first group of body of heater cable simultaneously; The following copper bar of capacitor cable connection copper bar is connected copper bar with first group of body of heater cable following copper bar is communicated with; Otherwise, when second group of pressing system the conductive plate of two hold down gags compresses up and down the time, the conductive plate of first group hold down gag breaks off; The last copper bar of the copper bar of capacitor cable connection simultaneously is connected copper bar with second group of body of heater cable last copper bar is communicated with; The following copper bar of capacitor cable connection copper bar is connected copper bar with second group of body of heater cable following copper bar is communicated with, and on bracing frame, is provided with earth connection, and earth connection is connected copper bar and links to each other with the body of heater cable of disconnection.
In order to increase " creepage " distance between conductive plate and the hydraulic cylinder, guarantee that insulation is reliable, can make the bottom surface of connecting plate have flange.
Bracing frame can adopt high-strength epoxy glass fiber fabric swatch to make, and intensity is high, good insulating.
The present invention compared with prior art has the following advantages:
Adopt universal ball end to connect and to realize the self compensation levelling, guarantee that the body of heater cable connects copper bar and is connected the copper bar contact with the capacitor cable well; Adopt hydraulic cylinder,, can realize automatic detected pressures, automatic voltage regulation because fluid power system contains pressure switch and control system thereof.The body of heater change-over switch liquid collecting pressure of medium frequency induction melting furnace, electric in one, simple to operate, safe, reliable; Installation, maintenance is convenient, high efficiency.
Earth connection intersection ground connection can guarantee that second body of heater is in safe electroless state when first body of heater is worked; When second body of heater was worked, first body of heater was in safe electroless state.
Description of drawings
Fig. 1 is a body of heater change-over switch stereogram.
Fig. 2 is the hold down gag sketch map of body of heater change-over switch.
The specific embodiment
With reference to accompanying drawing; The body of heater change-over switch of medium frequency induction melting furnace of the present invention comprises bracing frame 9; Two groups of body of heater cables connect copper bar 8; One group capacitor cable connects copper bar 6 and two groups of pressing system I, II; Every group of body of heater cable connects copper bar 8 and has two copper bars up and down; Between two copper bars insulating barrier is being arranged up and down; One group capacitor cable connects copper bar 6 and is made up of two copper bars up and down; The capacitor cable between two copper bars insulating barrier is arranged also up and down, the last copper bar that two groups of body of heater cables connect copper bars 8 is connected copper bar 6 with the capacitor cable last copper bar is separated by at same horizontal plane, the following copper bar of body of heater cable connection copper bar 8 is connected copper bar 6 with the capacitor cable following copper bar is separated by at same horizontal plane; Every group of pressing system is made up of two hold down gags 7 up and down that are fixed on the bracing frame 9; Each hold down gag 7 comprises on hydraulic cylinder 1, hydraulic cylinder 1 plunger and connects universal ball end 2, connecting plate 3, insulation board 4 and conductive plate 5 successively, and the conductive plate 5 of two hold down gags 7 is corresponding up and down, and the conductive plate 5 of the last hold down gag 7 of first group of pressing system is positioned at last copper bar that first group of body of heater cable connect copper bar 8 is connected copper bar on the copper bar 6 with the capacitor cable top; The conductive plate 5 of the following hold down gag 7 of first group of pressing system is positioned at following copper bar that first group of body of heater cable connect copper bar 8 is connected 6 times copper bars of copper bar with the capacitor cable below; The conductive plate 5 of the last hold down gag 7 of second group of pressing system is positioned at last copper bar that second group of body of heater cable connect copper bar 8 is connected copper bar on the copper bar 6 with the capacitor cable top, and the following copper bar that the conductive plate 5 of the following hold down gag 7 of second group of pressing system is positioned at second group of body of heater cable connection copper bar 8 is connected the below of 6 times copper bars of copper bar with the capacitor cable, when the conductive plate 5 of two hold down gags 7 up and down of first group of pressing system of HYDRAULIC CONTROL SYSTEM compresses; The conductive plate 5 of second group hold down gag 7 breaks off; The last copper bar of the copper bar 6 of capacitor cable connection simultaneously is connected copper bar 8 with first group of body of heater cable last copper bar is communicated with, and the following copper bar of capacitor cable connection copper bar 6 is connected copper bar 8 with first group of body of heater cable following copper bar is communicated with, otherwise; When the conductive plate 5 of two hold down gags 7 up and down of second group of pressing system compresses; The conductive plate 5 of first group hold down gag 7 breaks off, and the last copper bar of the copper bar 6 of capacitor cable connection simultaneously is connected copper bar 8 with second group of body of heater cable last copper bar is communicated with, and the following copper bar of capacitor cable connection copper bar 6 is connected copper bar 8 with second group of body of heater cable following copper bar is communicated with; On bracing frame 9, be provided with earth connection 10, earth connection 10 is connected copper bar 8 and links to each other with the body of heater cable that breaks off.
Claims (2)
1. the body of heater change-over switch of medium frequency induction melting furnace is characterized in that comprising bracing frame (9), and two groups of body of heater cables connect copper bar (8), and a group capacitor cable connects copper bar (6) and two groups of pressing systems (I, II),
Every group of body of heater cable connects copper bar (8) and has two copper bars up and down; Between two copper bars insulating barrier is being arranged up and down; One group capacitor cable connects copper bar (6) and is made up of two copper bars up and down; Between two copper bars insulating barrier is arranged also up and down at the capacitor cable; The last copper bar that two groups of body of heater cables connect copper bars (8) is connected copper bar (6) with the capacitor cable last copper bar is separated by at same horizontal plane; The following copper bar that the body of heater cable connects copper bar (8) is connected copper bar (6) with the capacitor cable following copper bar is separated by at same horizontal plane; Every group of pressing system is made up of two hold down gags (7) up and down that are fixed on the bracing frame (9); Each hold down gag (7) comprises on hydraulic cylinder (1), hydraulic cylinder (1) plunger and connects universal ball end (2), connecting plate (3), insulation board (4) and conductive plate (5) successively; The conductive plate (5) of two hold down gags (7) is corresponding up and down; The last copper bar that the conductive plate (5) of the last hold down gag (7) of first group of pressing system is positioned at first group of body of heater cable connection copper bar (8) is connected the top that copper bar (6) is gone up copper bar with the capacitor cable; The conductive plate (5) of the following hold down gag (7) of first group of pressing system is positioned at following copper bar that first group of body of heater cable connect copper bar (8) is connected copper bar under the copper bar (6) with the capacitor cable below; The last copper bar that the conductive plate (5) of the last hold down gag (7) of second group of pressing system is positioned at second group of body of heater cable connection copper bar (8) is connected the top that copper bar (6) is gone up copper bar with the capacitor cable; The conductive plate (5) of the following hold down gag (7) of second group of pressing system is positioned at following copper bar that second group of body of heater cable connect copper bar (8) is connected copper bar under the copper bar (6) with the capacitor cable below; When the conductive plate (5) of two hold down gags (7) up and down of first group of pressing system of HYDRAULIC CONTROL SYSTEM when compressing, the conductive plate (5) of second group hold down gag (7) breaks off, and capacitor cable the last copper bar that connects copper bar (6) is connected the last copper bar connection of copper bar (8) with first group of body of heater cable simultaneously; The following copper bar of capacitor cable connection copper bar (6) is connected copper bar (8) with first group of body of heater cable following copper bar is communicated with; Otherwise when the conductive plate (5) of two hold down gags (7) up and down of second group of pressing system when compressing, the conductive plate (5) of first group hold down gag (7) breaks off; The last copper bar of capacitor cable connection copper bar (6) is connected the last copper bar connection of copper bar (8) with second group of body of heater cable simultaneously; The following copper bar of capacitor cable connection copper bar (6) is connected copper bar (8) with second group of body of heater cable following copper bar is communicated with, and on bracing frame (9), is provided with earth connection (10), and earth connection (10) is connected copper bar (8) with the body of heater cable that breaks off and links to each other.
2. the body of heater change-over switch of medium frequency induction melting furnace according to claim 1 is characterized in that the bottom surface of connecting plate (5) has flange (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100256298A CN102072650B (en) | 2011-01-24 | 2011-01-24 | Furnace body transfer switch for medium frequency induction melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100256298A CN102072650B (en) | 2011-01-24 | 2011-01-24 | Furnace body transfer switch for medium frequency induction melting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072650A CN102072650A (en) | 2011-05-25 |
| CN102072650B true CN102072650B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100256298A Active CN102072650B (en) | 2011-01-24 | 2011-01-24 | Furnace body transfer switch for medium frequency induction melting furnace |
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| Country | Link |
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| CN (1) | CN102072650B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627773A (en) * | 2016-02-25 | 2016-06-01 | 广德因达电炉成套设备有限公司 | Hydraulic stove changing switch |
| CN109211703B (en) * | 2017-12-13 | 2021-04-13 | 中国航空制造技术研究院 | Fretting friction wear test device |
| CN117212812B (en) * | 2023-11-09 | 2024-02-23 | 陕西宝昱科技工业股份有限公司 | Combustion machine switching mechanism and combustion furnace system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490831A (en) * | 2003-08-28 | 2004-04-21 | 朱兴发 | Changing-over switch for coreless intermediate frequency variable frequency induced electric furnace |
| CN1610452A (en) * | 2004-11-22 | 2005-04-27 | 朱兴发 | Double-power supply inductive smelting system |
| CN201041465Y (en) * | 2006-08-25 | 2008-03-26 | 苏州胜吴电炉有限公司 | Hydraulic rapid furnace-changing switch |
| CN201041464Y (en) * | 2006-08-25 | 2008-03-26 | 苏州胜吴电炉有限公司 | Pneumatic rapid furnace-changing switch |
| CN202032881U (en) * | 2011-01-24 | 2011-11-09 | 杭州四达电炉成套设备有限公司 | Furnace body cutover switch of medium-frequency inducing smelting furnace |
-
2011
- 2011-01-24 CN CN2011100256298A patent/CN102072650B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490831A (en) * | 2003-08-28 | 2004-04-21 | 朱兴发 | Changing-over switch for coreless intermediate frequency variable frequency induced electric furnace |
| CN1610452A (en) * | 2004-11-22 | 2005-04-27 | 朱兴发 | Double-power supply inductive smelting system |
| CN201041465Y (en) * | 2006-08-25 | 2008-03-26 | 苏州胜吴电炉有限公司 | Hydraulic rapid furnace-changing switch |
| CN201041464Y (en) * | 2006-08-25 | 2008-03-26 | 苏州胜吴电炉有限公司 | Pneumatic rapid furnace-changing switch |
| CN202032881U (en) * | 2011-01-24 | 2011-11-09 | 杭州四达电炉成套设备有限公司 | Furnace body cutover switch of medium-frequency inducing smelting furnace |
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| Publication number | Publication date |
|---|---|
| CN102072650A (en) | 2011-05-25 |
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