CN103236356A - Current distributor - Google Patents
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- CN103236356A CN103236356A CN2013101364439A CN201310136443A CN103236356A CN 103236356 A CN103236356 A CN 103236356A CN 2013101364439 A CN2013101364439 A CN 2013101364439A CN 201310136443 A CN201310136443 A CN 201310136443A CN 103236356 A CN103236356 A CN 103236356A
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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 in the short circuit circuit operation when being mainly used in the aluminium cell overhaul.
Background technology
At present, the aluminum electrolysis industry of China regularly or irregularly need carry out large repairs aluminium cell.
Need before the overhaul production electric current in the electrolysis tank is transferred on the short circuit loop, the short circuit loop is positioned at the electrolysis tank below, has tens KA electric currents to pass through during the short circuit loop works.Each electrolysis tank has a short circuit loop, the complicated magnetic field that can produce high magnetic flux density around aluminium cell.
Have a large amount of electrolysis tank welding jobs in the overhaul, and that welding arc is electric conductor is relatively more responsive to influence of magnetic field, cause irregular departing from of welding arc to cause welding job uncontrollable, welding efficiency is low and influence operator safety, the production capacity of aluminum electrolysis industry is improved with keeping the safety in production all to bring seriously influence.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide 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, the distributing switch of the advantages such as convenience of simple in structure and installation and maintenance, the magnetic field that compensation bottom of electrolytic tank short circuit loop produces.
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-driven part, sets of contacts part, divides position formula cam gear and positional increment formula encoder; Wherein:
Described body partly comprises structural framework, is fixed on structural framework external split pole type end busbar and the integrated end busbar of both sides up and down, and the insulating arthropleura and the conduction panel that are fixed on both sides, structural framework front and back, body partly is equipped with main shaft, rotating shaft and the driven shaft that is parallel to each other;
Described motor driving part branch comprises and is fixed on the motor cabinet on the insulating arthropleura and is located at the turbine and worm reducing motor that possesses reverse auto-lock function on the 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, and the driven shaft below is provided with contact pressure group axle;
Described sets of contacts partly comprises the free-standing contact list group that is fixed on the structural framework left and right sides, and free-standing contact list group below is equipped with the push rod roll wheel assembly, is connected with free-standing contact pressure group between free-standing contact list group and the contact pressure group axle;
Described branch position formula cam gear comprises five equilibrium position cam and the push rod roll wheel assembly that is installed in respectively on main shaft and the driven shaft;
Described positional increment formula encoder is the position increment of rotation formula encoder of being located at the turbine and worm reducing motor back side.
Wherein, free-standing contact list group of each free-standing contact pressure group coupling.
In addition, described external split pole type end busbar and free-standing contact list group are divided into eight branch loops with the loop.
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 the fine silver contact.
The invention has the beneficial effects as follows:
1, owing to adopted the turbine and worm reducing motor, have the advantage of the big and reverse self-locking of output torque, low and compact conformation consumes energy.
2, the contact of fine silver contact is pressed significantly and is reduced, and has reduced caloric value, and free-standing contact list group paired symmetry is step by step closed a floodgate and separating brake, the lifting loop current is fast, variable range is wide, and free-standing contact pressure group can also provide stable contact pressure, and the contact temperature rise is low, sets of contacts is symmetrically distributed, compact conformation.
4, increment of rotation formula encoder input/output signal focuses on, and the fast electromagnetic interference simple to operate and anti-of reaction is strong.
5, simple in structure, it is convenient that consumable accessory is changed in operating repairs, can reduce magnetic induction intensity in the compensating field, the most of regional welding arc of electrolysis tank is controlled, reliable welding quality, welding efficiency height have improved the operability of welding link, and Employee Security is protected.
Description of drawings
Fig. 1 .1 is that overall structure figure master of the present invention looks schematic diagram;
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, five equilibrium 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.
To shown in Figure 4, the invention discloses a kind of distributing switch with reference to Fig. 1 .1, it comprises body part, motor-driven part, sets of contacts part, divides position formula cam gear and positional increment formula encoder.
Body partly comprises internal structure skeleton 14, is fixed on external split pole type end busbar 9 and the integrated end busbar 15 of structural framework both sides about in the of 14; and the insulating arthropleura 7 and the conduction panel 8 that are fixed on both sides, structural framework 14 front and back; external split pole end busbar 9 is used for being welded to connect of short-circuit loop with integrated end busbar 15; body partly is equipped with main shaft 12, rotating shaft 17 and the driven shaft 19 that is parallel to each other; because conduction panel 8 with integrated end busbar 15 and external split pole type end busbar 9 fixedly conductings, just can not produce electric arc when protective device closes a floodgate with separating brake work.
The motor driving part branch comprises the motor cabinet 5 that is fixed on the insulating arthropleura 7 and is located at the turbine and worm reducing motor 3 that possesses reverse auto-lock function on the motor cabinet 5, turbine and worm reducing motor 3 is power source, be used for the state after the motion of lock current distributor stops, turbine and worm reducing motor 3 output shafts are 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, driven shaft 19 belows are provided with contact pressure group axle 18, by travelling gear 2 transmission with driving gear 1, main shaft 12 and driven shaft 19 are equidirectional to rotate with speed.
Sets of contacts partly comprises the free-standing contact list group 10 that is 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 respectively and closes a floodgate and separating brake work, external split pole type end busbar 9 is divided into eight branch loops with free-standing contact list group 10 with the loop, stand alone type contact list group 10 belows are equipped with push rod roll wheel assembly 11, be connected with free-standing contact pressure group 13 between stand alone type contact list group 10 and the contact pressure group axle 18, stand alone type contact pressure group 13 1 ends connect the other end with free-standing contact list group 10 and are fixed on the contact pressure group axle 18, contact pressure group axle 18 provides contact pressure for free-standing contact list group 10 when device closes a floodgate, free-standing contact list group 10 of each free-standing contact pressure group 13 coupling, providing contact to close a floodgate keep-ups pressure, contact adopts the 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 branch loop, each the two groups of symmetrical distribution work of 10 both sides of four groups of stand alone type contact list groups, free-standing contact list group 10, stand alone type contact pressure group 13 respectively has 16 groups with push rod roll wheel assembly 11.
Divide a position formula cam gear to comprise five equilibrium position cam 16 and the push rod roll wheel assembly 11 that is installed in respectively on main shaft 12 and the driven shaft 19, come branch position cam 16 such as transmission to drive push rod roll wheel assemblies 11 by driving gear 1, travelling gear 2, driven gear 4 with main shaft 12 and realize that free-standing contact list group 10 closes a floodgate and the separating brake work.
Positional increment formula encoder is the position increment of rotation formula encoder 6 of being located at turbine and worm reducing motor 3 back sides, be used for differentiating the combined floodgate number of the free-standing contact list group 10 of output, it is to have the composite set that transmits, receives signal, signal processing and output pulse signal.
Generally, eight branch loops of distributing switch all are in "on" position, and conducting short circuit current in loop is when needing the magnetic field of compensation bottom of electrolytic tank short circuit loop generation, distributing switch changes magnetic induction intensity by the electric current in the separating brake regulating loop that divides the loop.
Turbine and worm reducing motor 3 energising driving main shaft 12 are simultaneously through the transmission of travelling gear 2 with driving gear 1 during work, moving axis 19 rotates synchronously with main shaft 12, five equilibrium position cam 16 drives 17 rotations around the shaft of the free-standing contact list group 10 of push rod roll wheel assembly 11 promotions successively and finishes separating brake under the rotation of moving axis 19 and main shaft 12, as shown in Figure 3, to reach the requirement by the electric current in the regulating loop, change magnetic induction intensity.
The present invention has that long service life, loaded current ability are strong, the lifting branch current is quick, variable flow wide ranges, advantage such as simple in structure and convenient for installation and maintenance.
Above-described embodiment is illustrative principle of the present invention and effect thereof only; and the embodiment of part utilization, for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. distributing switch is characterized in that: it comprises body part, motor-driven part, sets of contacts part, divides position formula cam gear and positional increment formula encoder; Wherein:
Described body partly comprises structural framework (14), is fixed on structural framework (14) external split pole type end busbar (9) and the integrated end busbar (15) of both sides up and down, and the insulating arthropleura (7) and the conduction panel (8) that are fixed on both sides, structural framework (14) front and back, body partly is equipped with main shaft (12), rotating shaft (17) and the driven shaft (19) that is parallel to each other;
Described motor driving part branch comprises the motor cabinet (5) that is fixed on the insulating arthropleura (7) and is located at the turbine and worm reducing motor (3) that possesses reverse auto-lock function on the 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 partly comprises the free-standing contact list group (10) that is fixed on structural framework (14) left and right sides, stand alone type contact list group (10) below is equipped with push rod roll wheel assembly (11), is connected with free-standing contact pressure group (13) between free-standing contact list group (10) and the contact pressure group axle (18);
Described branch position formula cam gear comprises five equilibrium position cam (16) and the push rod roll wheel assembly (11) that is installed in respectively on main shaft (12) and the driven shaft (19);
Described positional increment formula encoder is for being located at the position increment of rotation formula encoder (6) at turbine and worm reducing motor (3) back side.
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 and 2 is characterized in that, described external split pole type end busbar (9) is divided into eight branch loops with free-standing contact list group (10) with the loop.
4. a kind of distributing switch according to claim 3 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.
5. a kind of distributing switch according to claim 4 is characterized in that, described contact is the 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 true CN103236356A (en) | 2013-08-07 |
| CN103236356B 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 |
|---|---|
| CN103236356B (en) | 2015-04-29 |
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