CN103236356B - Current distributor - Google Patents
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- CN103236356B CN103236356B CN201310136443.9A CN201310136443A CN103236356B CN 103236356 B CN103236356 B CN 103236356B CN 201310136443 A CN201310136443 A CN 201310136443A CN 103236356 B CN103236356 B CN 103236356B
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Abstract
The invention discloses a current distributor which is applicable to an aluminum electrolysis short circuit loop. The current distributor comprises a machine body part, a motor driving part, a contact group part, a distributed cam device and a position incremental encoder. The current distributor has the advantages that the service life is long, the current carrying capability is strong, the speed of the current rising and falling of a short circuit loop is high, the variable range is wide, the operation is easy, the structure is compact, the mounting and maintenance are convenient and the like.
Description
Technical field
The invention belongs to DC switch electric utility, be specifically related to a kind of distributing switch when being mainly used in aluminium cell overhaul in short circuit circuit operation.
Background technology
At present, the aluminum electrolysis industry of China, regularly or irregularly needs aluminium cell to carry out large repairs.
Need the production electric current in electrolysis tank to be transferred on short circuit loop before overhaul, short circuit loop is positioned at below electrolysis tank, has tens KA electric currents to pass through during short circuit loop works.Each electrolysis tank has a short circuit loop, can produce the complicated magnetic field of high magnetic flux density around aluminium cell.
A large amount of electrolysis tank welding jobs is had in overhaul, and welding arc to be electric conductor more responsive to influence of magnetic field, welding arc irregular departing from is caused to cause welding job uncontrollable, welding efficiency is low and affect operator safety, improves all bring serious impact with safety in production to the production capacity of aluminum electrolysis industry.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided that a kind of long service life, loaded current ability are strong, lifting short circuit circuit branch electric current is fast, variable range is wide, structure is simple and the distributing switch of the advantage such as the convenience of installation and maintenance, compensate the magnetic field of bottom of electrolytic tank short circuit loop generation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of distributing switch, and it comprises body part, motor driving part divides, sets of contacts part, point position formula cam gear and positional increment formula encoder; Wherein:
Described body part comprises structural framework, is fixed on the external split pole type end busbar of the upper and lower both sides of structural framework and integrated end busbar, and be fixed on insulating arthropleura and the conduction panel of both sides before and after structural framework, body part be equipped be parallel to each other main shaft, rotating shaft and driven shaft;
Described motor driving part divides the motor cabinet comprising and being fixed on insulating arthropleura and the turbine and worm reducing motor possessing reverse self-locking function be located on motor cabinet, turbine and worm reducing motor output shaft is connected with main shaft, main shaft is provided with driving gear, driving gear is engaged with driven gear by travelling gear, driven gear is connected with driven shaft, is provided with contact pressure group axle below driven shaft;
Described sets of contacts part comprises the free-standing contact list group being fixed on the structural framework left and right sides, is provided with push rod roll wheel assembly, is connected with free-standing contact pressure group between free-standing contact list group and contact pressure group axle below free-standing contact list group;
Described point position formula cam gear comprises and is arranged on decile position cam on main shaft and driven shaft and push rod roll wheel assembly respectively;
Described positional increment formula encoder is the position increment of rotation formula encoder being located at the turbine and worm reducing motor back side.
Wherein, each free-standing contact pressure group mates a free-standing contact list group.
In addition, loop is divided into eight points of loops by described external split pole type end busbar and free-standing contact list group.
In addition, described free-standing contact list group, free-standing contact pressure group and push rod roll wheel assembly have four groups respectively.
In addition, described contact is fine silver contact.
The invention has the beneficial effects as follows:
1, owing to have employed turbine and worm reducing motor, have the advantage of the large and reverse self-locking of output torque, consume energy low and compact conformation.
2, fine silver contact pressure significantly reduces, and decreases caloric value, and free-standing contact list group is symmetrical in pairs step by step closes a floodgate and separating brake, elevating loop electric current is fast, variable range is wide, and free-standing contact pressure group can also provide stable contact pressure, and temperature rise is low, sets of contacts is symmetrical, compact conformation.
4, increment of rotation formula encoder input/output signal focuses on, and reaction is simple to operate and electromagnetism interference is strong soon.
5, structure is simple, and it is convenient that consumable accessory is changed in operating repairs, can reduce magnetic induction intensity in compensating field, electrolysis tank major part region welding arc is controlled, reliable welding quality, welding efficiency are high, and improve the operability of welding link, Employee Security is protected.
Accompanying drawing explanation
Fig. 1 .1 is overall structure figure schematic front view of the present invention;
Fig. 1 .2 is the left view of Fig. 1 .1;
Fig. 1 .3 is the vertical view of Fig. 1 .1;
Fig. 2 is cut-away view of the present invention;
Fig. 3 is the present invention first component loop separating brake figure;
Fig. 4 is that the present invention divides a formula cam gear component diagram.
Wherein each token name is called: 1, driving gear; 2, travelling gear; 3, turbine and worm reducing motor; 4, driven gear; 5, motor cabinet; 6, position increment of rotation formula encoder; 7, insulating arthropleura; 8, conduction panel; 9, external split pole type end busbar; 10, free-standing contact list group; 11, push rod roll wheel assembly; 12, main shaft; 13, free-standing contact pressure group; 14, structural framework; 15, integrated end busbar; 16, decile position cam; 17, rotating shaft; 18, contact pressure group axle; 19, driven shaft.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to shown in Fig. 1 .1 to Fig. 4, the invention discloses a kind of distributing switch, it comprises body part, motor driving part divides, sets of contacts part, point position formula cam gear and positional increment formula encoder.
Body part comprises internal structure skeleton 14, be fixed on external split pole type end busbar 9 and the integrated end busbar 15 of structural framework about 14 both sides, and be fixed on insulating arthropleura 7 and the conduction panel 8 of both sides before and after structural framework 14, external split pole end busbar 9 and integrated end busbar 15 being welded to connect for short-circuit loop, body part is equipped with the main shaft 12 be parallel to each other, rotating shaft 17 and driven shaft 19, because integrated end busbar 15 and external split pole type end busbar 9 are fixed conducting by conduction panel 8, electric arc would not be produced when protective device closes a floodgate and works with separating brake.
Motor driving part divides and comprises the motor cabinet 5 be fixed on insulating arthropleura 7 and the turbine and worm reducing motor 3 possessing reverse self-locking function be located on motor cabinet 5, turbine and worm reducing motor 3 is power source, state after stopping for the motion of lock current distributor, turbine and worm reducing motor 3 output shaft is connected with main shaft 12, main shaft 12 is provided with driving gear 1, driving gear 1 is engaged with driven gear 4 by travelling gear 2, driven gear 4 is connected with driven shaft 19, contact pressure group axle 18 is provided with below driven shaft 19, by the transmission of travelling gear 2 with driving gear 1, main shaft 12 and the equidirectional same speed of driven shaft 19 are rotated.
Sets of contacts part comprises the free-standing contact list group 10 being fixed on structural framework 14 left and right sides, the rotating of turbine and worm reducing motor 3 drives free-standing contact list group 10 to close a floodgate and separating brake work respectively, loop is divided into eight points of loops by external split pole type end busbar 9 and free-standing contact list group 10, below stand alone type contact list group 10, push rod roll wheel assembly 11 is installed, free-standing contact pressure group 13 is connected with between stand alone type contact list group 10 and contact pressure group axle 18, stand alone type contact pressure group 13 one end connects the other end with free-standing contact list group 10 and is fixed on contact pressure group axle 18, when device closes a floodgate, contact pressure group axle 18 provides contact for free-standing contact list group 10, each free-standing contact pressure group 13 mates a free-standing contact list group 10, there is provided contact to close a floodgate and keep pressure, contact adopts fine silver contact to reduce contact voltage drop, described free-standing contact list group 10, stand alone type contact pressure group 13 and push rod roll wheel assembly 11 have four groups respectively, independently closed a floodgate and separating brake work in a point of loop, the each two groups of symmetrical work in contact list group 10 both sides of four groups of stand alone types, stand alone type contact list group 10, stand alone type contact pressure group 13 respectively has 16 groups with push rod roll wheel assembly 11.
Point position formula cam gear comprises and is arranged on decile position cam 16 on main shaft 12 and driven shaft 19 and push rod roll wheel assembly 11 respectively, is carried out point position cams 16 such as transmission driven push rod roll wheel assembly 11 to close a floodgate and separating brake work to realize free-standing contact list group 10 by driving gear 1, travelling gear 2, driven gear 4 with main shaft 12.
Positional increment formula encoder is the position increment of rotation formula encoder 6 being located at turbine and worm reducing motor 3 back side, for differentiating the combined floodgate number exporting free-standing contact list group 10, it be have transmit, the combination unit of Received signal strength, signal transacting and output pulse signal.
Under normal circumstances, eight points of loops of distributing switch are all in "on" position, the electric current in conducting short circuit loop, when needing the magnetic field compensating the generation of bottom of electrolytic tank short circuit loop, distributing switch, by the electric current in the separating brake regulating loop in point loop, changes magnetic induction intensity.
During work, turbine and worm reducing motor 3 is energized driving main shaft 12 simultaneously through the transmission of travelling gear 2 with driving gear 1, moving axis 19 and main shaft 12 synchronous axial system, decile position cam 16 drives push rod roll wheel assembly 11 to promote free-standing contact list group 10 successively 17 to have rotated separating brake around the shaft under moving axis 19 rotation with main shaft 12, as shown in Figure 3, to be reached through electric current in regulating loop, to change the requirement of magnetic induction intensity.
The present invention has the advantages such as long service life, loaded current ability is strong, lifting branch current is quick, variable flow wide ranges, structure are simple and convenient for installation and maintenance.
Above-described embodiment is illustrative principle of the present invention and effect thereof only; and the embodiment that part is used, for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (4)
1. a distributing switch, is characterized in that: it comprises body part, motor driving part divides, sets of contacts part, point position formula cam gear and positional increment formula encoder; Wherein:
Described body part comprises structural framework (14), is fixed on external split pole type end busbar (9) and the integrated end busbar (15) of the upper and lower both sides of structural framework (14), and be fixed on insulating arthropleura (7) and the conduction panel (8) of both sides before and after structural framework (14), body part be equipped be parallel to each other main shaft (12), rotating shaft (17) and driven shaft (19);
Described motor driving part divides and comprises the motor cabinet (5) be fixed on insulating arthropleura (7) and the turbine and worm reducing motor (3) possessing reverse self-locking function be located on motor cabinet (5), turbine and worm reducing motor (3) output shaft is connected with main shaft (12), main shaft (12) is provided with driving gear (1), driving gear (1) is engaged with driven gear (4) by travelling gear (2), driven gear (4) is connected with driven shaft (19), and driven shaft (19) below is provided with contact pressure group axle (18);
Described sets of contacts part comprises the free-standing contact list group (10) being fixed on structural framework (14) left and right sides, stand alone type contact list group (10) below is provided with push rod roll wheel assembly (11), is connected with free-standing contact pressure group (13) between free-standing contact list group (10) and contact pressure group axle (18);
Described point position formula cam gear comprises and is arranged on decile position cam (16) on main shaft (12) and driven shaft (19) and push rod roll wheel assembly (11) respectively;
Described positional increment formula encoder is for being located at position increment of rotation formula encoder (6) at turbine and worm reducing motor (3) back side;
Loop is divided into eight points of loops by described external split pole type end busbar (9) and free-standing contact list group (10).
2. a kind of distributing switch according to claim 1, is characterized in that, each free-standing contact pressure group (13) coupling free-standing contact list group (10).
3. a kind of distributing switch according to claim 1, is characterized in that, described free-standing contact list group (10), free-standing contact pressure group (13) and push rod roll wheel assembly (11) have four groups respectively.
4. a kind of distributing switch according to claim 3, is characterized in that, described contact is fine silver contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136443.9A CN103236356B (en) | 2013-04-19 | 2013-04-19 | Current distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136443.9A CN103236356B (en) | 2013-04-19 | 2013-04-19 | Current distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103236356A CN103236356A (en) | 2013-08-07 |
| CN103236356B true CN103236356B (en) | 2015-04-29 |
Family
ID=48884390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310136443.9A Active CN103236356B (en) | 2013-04-19 | 2013-04-19 | Current distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103236356B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3861832B2 (en) * | 2003-03-11 | 2006-12-27 | 株式会社日立製作所 | Switch |
| CN201204156Y (en) * | 2008-05-15 | 2009-03-04 | 宁波新乐电器有限公司 | Washing machine timer with immersion function |
| CN201449925U (en) * | 2009-05-05 | 2010-05-05 | 陕西中电电气有限公司 | Heavy current welded type isolation apparatus |
| CN201765975U (en) * | 2010-09-15 | 2011-03-16 | 刘爱民 | Electromechanical relay |
-
2013
- 2013-04-19 CN CN201310136443.9A patent/CN103236356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3861832B2 (en) * | 2003-03-11 | 2006-12-27 | 株式会社日立製作所 | Switch |
| CN201204156Y (en) * | 2008-05-15 | 2009-03-04 | 宁波新乐电器有限公司 | Washing machine timer with immersion function |
| CN201449925U (en) * | 2009-05-05 | 2010-05-05 | 陕西中电电气有限公司 | Heavy current welded type isolation apparatus |
| CN201765975U (en) * | 2010-09-15 | 2011-03-16 | 刘爱民 | Electromechanical relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103236356A (en) | 2013-08-07 |
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