CN205723222U - Can two point of one low-voltage circuit breaker mechanical interlocks closed - Google Patents

Can two point of one low-voltage circuit breaker mechanical interlocks closed Download PDF

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Publication number
CN205723222U
CN205723222U CN201620194000.4U CN201620194000U CN205723222U CN 205723222 U CN205723222 U CN 205723222U CN 201620194000 U CN201620194000 U CN 201620194000U CN 205723222 U CN205723222 U CN 205723222U
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steel wire
wire rope
chopper
upper bracket
lever
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CN201620194000.4U
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Chinese (zh)
Inventor
陈浩
李津莲
刘健勇
刘凤琨
马金泉
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Tianjin Baili Electronic Co Ltd
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Tianjin Baili Electronic Co Ltd
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Abstract

This utility model relate to a kind of can two point of one mechanical interlocks of low-voltage circuit breaker closed.It includes and is separately mounted on first, second and third chopper side plate, first, second and third corresponding interlocking mechanism;Corresponding respectively in first, second and third interlocking mechanism it is fixed with respective first, second and third upper bracket and first, second and third lower carriage.And the two ends of the corresponding guide thimble on 6 flexible steel cables are intersected respectively on the carrier parts being fixed on three interlocking mechanisms, upper and lower lever can be pulled with steel wire rope, and then realize the purpose when two choppers other after a breaker closing cannot close a floodgate.When this utility model can realize the chopper that three can work, when, after a breaker closing, other two choppers then cannot close a floodgate;And the part of needs is less, simple in construction, reliability high.Effectively overcome in prior art big in order to realize same function time error scope, the shortcomings such as stroke is inaccurate, and action is unreliable and have high industrial utilization.

Description

Can two point of one low-voltage circuit breaker mechanical interlocks closed
Technical field
This utility model belongs to a kind of chopper attachment device, particularly relate to a kind of can the mechanical interlocks of two point of one low-voltage circuit breaker closed.
Background technology
In market survey, client proposes three chopper interlockings and realizes any two point of one conjunction, and during the most any one breaker closing, then two choppers of residue cannot close a floodgate.And the mechanical interlocks of existing DW45 chopper cannot realize any one of three choppers combined floodgate, remaining two function that can not close a floodgate.Having two point of one conjunction on the market, flexible steel cable walks half stroke, and stroke is inaccurate, action is unreliable.
Summary of the invention
This utility model provides one can realize in three choppers when after a breaker closing for solving technical problem present in known technology, and what other two choppers then cannot close a floodgate can the mechanical interlocks of two point of one low-voltage circuit breaker closed.
This utility model is adopted the technical scheme that by solving technical problem present in known technology: it includes and is separately mounted on first, second and third chopper side plate, first, second and third interlocking mechanism (37,38,39) of correspondence;In described first, second and third interlocking mechanism (37,38,39) front the most respectively to having first, second and third upper lever (13,15,17) and first, second and third time lever (14,16,18);nullDescribed first、Two、Tri-interlocking device (37、38、39) the first of front correspondence respectively、Two、Three upper levers (13、15、17) and the first、Two、Three times levers (14、16、18) the most respectively with described first、Two、Tri-interlocking device (37、38、39) corresponding first at the back side、Two、Plate (25 on three、27、29) and the first、Two、Three times plates (26、28、30) it is coaxially connected,And described first、Two、Plate (25 on three、27、29) and the first、Two、Three times plates (26、28、30) first the most corresponding thereto、Two、On/off switch rotating shaft and switching-on mechanism main shaft cantilever on three choppers are hinged,It is characterized in that: described first、Two、Tri-interlocking device (37、38、39) corresponding respectively on it is fixed with respective first、Two、Three upper brackets (7、9、11) and the first、Two、Three lower carriages (8、10、12);nullThe left side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be fixed with second steel wire rope (2) with one end of guide thimble,And described this end of second steel wire rope (2) is connected with the left end of described first time lever (14),Described the second steel wire rope (2) with the other end of guide thimble be then connected on the right-hand member side of the 3rd upper bracket (11) on the tri-interlocking device (39) on described 3rd chopper,And this one end of described the second steel wire rope (2) then with as be connected on described 3rd upper bracket (11) another with the 5th pull bar (23) of sleeve pipe one end be connected,The other end of the 5th described pull bar then right-hand member with the 3rd upper lever (17) on described tri-interlocking device (39) is hinged;The right side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be fixed with first steel wire rope (1) with one end of guide thimble, and one end of the first pull bar (19) with guide pin bushing that this end and of described first steel wire rope (1) is connected on the first upper bracket (7) is connected, the other end of described the first pull bar (19) is hinged with the right-hand member of described first upper lever (13), described the first steel wire rope (1) with the other end of guide thimble be then connected on the left end side of the 3rd upper bracket (11) on the tri-interlocking device (39) on described 3rd chopper, and this one end of described the first steel wire rope (1) then left end with the 3rd time lever (18) on described tri-interlocking device (39) is connected;The right side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be also fixed with one article of the 4th steel wire rope (4) with one end of guide thimble, and one end of the second pull bar (20) with guide pin bushing that this end and of described 4th steel wire rope (4) is connected on the first upper bracket (7) is connected, the other end of described the second pull bar (20) is hinged with the right-hand member of described first upper lever (13), the 4th described steel wire rope (4) with the other end of guide thimble be then connected on the left end side of the second upper bracket (9) in the second interlocking mechanism (38) on described second chopper, and this one end of the 4th described steel wire rope (4) then left end with second time lever (16) in described the second interlocking mechanism (38) is connected;The right side of the second upper bracket (9) in the second interlocking mechanism (38) on second described chopper be fixed with one article of the 5th steel wire rope (5) with one end of guide thimble, and one end of the 3rd pull bar (21) with guide pin bushing that this end and of described 5th steel wire rope (5) is connected on described second upper bracket (9) is connected, the other end of the 3rd described pull bar (21) is hinged with the right-hand member of described second upper lever (15), the 5th described steel wire rope (5) with the other end of guide thimble be then connected on the right-hand member side of the 3rd lower carriage (12) on the tri-interlocking device (39) on described 3rd chopper, and this one end of the 5th described steel wire rope (5) then right-hand member with the 3rd time lever (18) on described tri-interlocking device (39) is connected;nullThe right side of the 3rd upper bracket (11) on tri-interlocking device (39) on the 3rd described chopper be also fixed with one article of the 6th steel wire rope (6) with one end of guide thimble,And one end of the 6th pull bar (24) with guide pin bushing that this end and of described 6th steel wire rope (6) is connected on described 3rd upper bracket (11) is connected,The other end of the 6th described pull bar (24) is hinged with the right-hand member of described 3rd upper lever (17),The 6th described steel wire rope (6) with the other end of guide thimble be then connected on the right-hand member side of the second lower carriage (10) in the second interlocking mechanism (38) on described second chopper,And this one end of the 6th described steel wire rope (6) then right-hand member with second time lever (16) in described the second interlocking mechanism (38) is connected;The right side of the second upper bracket (9) in the second interlocking mechanism (38) on second described chopper be also fixed with one article of the 3rd steel wire rope (3) with one end of guide thimble, and one end of the four-pull-rod (22) with guide pin bushing that this end and of described 3rd steel wire rope (3) is connected on described second upper bracket (9) is connected, the other end of described four-pull-rod (22) is hinged with the right-hand member of described second upper lever (15), the 3rd described steel wire rope (3) with the other end of guide thimble be then connected on the right-hand member side of the first lower carriage (8) in the first interlocking mechanism (37) on described First chopper, and this one end of the 3rd described steel wire rope (3) then right-hand member with first time lever (14) in described the first interlocking mechanism (37) is connected.
This utility model has the advantage that with good effect: when can realize the chopper that three can work, when after a breaker closing, and the function that other two choppers then cannot close a floodgate;And the part of needs is less, simple in construction, reliability high.Effectively overcome in prior art big in order to realize same function time error scope, the shortcomings such as stroke is inaccurate, and action is unreliable, thus there is high industrial utilization.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is the two of structural representation of the present utility model..
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
As shown in Figure 1, 2, the #1 interlocking mechanism 37 that is separately mounted on three chopper side plates, interlocking mechanism 39 of #2 interlocking mechanism 38 and #3.#1 interlocking mechanism 37, the front of interlocking mechanism 39 of #2 interlocking mechanism 38 and #3 have upper lever 13 and lower lever 14, upper lever 15 and lower lever 16 and upper lever 17 and lower lever 18. the most respectively.#1 interlocking mechanism 37, the front of interlocking mechanism 39 of #2 interlocking mechanism 38 and #3 have one end to be fixed on respective interlocking mechanism top edge the most respectively, the other end is separately fixed at the extension spring 31,33 and 35 on the left of lower lever 14,16 and 18 and has one end to be fixed on respective interlocking mechanism lower limb, and the other end is separately fixed at the extension spring 32,34 and 36 on the left of upper lever 13,15 and 17.On the back side of #1 interlocking mechanism 37, interlocking mechanism 39 of #2 interlocking mechanism 38 and #3 has the most respectively plate 25 and lower plate 26, on plate 27 and lower plate 28 and upper plate 29 and lower plate 30.Upper lever 13 and lower lever 14 are coaxial with upper plate 25 and lower plate 26 respectively;Same upper lever 15 and lower lever 16 are coaxial with upper plate 27 and lower plate 28 respectively and upper lever 17 and lower lever 18. are coaxial with upper plate 29 and lower plate 30 respectively.Upper plate 25,27 and 29 rotates and can the on/off switch rotating shaft of the chopper being each installed on it be pressed.And lower plate 26,28 with 30 rotation the switching-on mechanism main shaft cantilever of the chopper being each installed on it can be driven to be connected action, cannot close a floodgate realizing corresponding chopper.
It addition, #1 interlocking mechanism 37, the respective upper and lower edge of interlocking mechanism 39 of #2 interlocking mechanism 38 and #3 are installed with upper spider 7 and lower bearing bracket 8, upper spider 9 and lower bearing bracket 10 and upper spider 11 and lower bearing bracket 12 respectively.The pull bar 19 and 20 with guide pin bushing, pull bar 21 and 22 and pull bar 23 and 24 is fixedly mounted respectively in one end, right side of upper spider 7,9 and 11.Pull bar 19 with 20, pull bar 21 hinged with the right-hand member side of upper lever 13, upper lever 15 and upper lever 17 respectively with the lower end of 24 with 22 and pull bar 23.
In addition, the 2-1 position in the left side of upper bracket 7 fixedly mounts steel wire rope 2 with one end of guide thimble, and this end of steel wire rope 2 is connected with the left end of lower lever 14, steel wire rope 2 with the other end of the guide thimble right-hand member side that is then fixedly mounted on upper bracket 11 2-2 position on, and this one end of steel wire rope 2 then with as be fixedly mounted on upper bracket 11 another with the pull bar 23 of sleeve pipe one end fixedly mount, the other end of pull bar 23 is then hinged with on right-hand member 44 position of upper lever 17;Be installed with on the 1-1 position on the right side of upper bracket 7 steel wire rope 1 with one end of guide thimble, and one end of the pull bar 19 with guide pin bushing that this end and of steel wire rope 1 is fixedly mounted on upper spider 7 is connected, the other end of pull bar 19 is hinged at the right end position 40 of upper lever 13, steel wire rope 1 with the other end of guide thimble be then fixedly mounted on the 1-2 position, left end side of upper bracket 11, and this one end of steel wire rope 1 then left end with lower lever 18 is connected;Upper bracket 7 4-1 position on right side be also fixed with a steel wire rope 4 with one end of guide thimble, and one end of the pull bar 20 with guide pin bushing that this end and of steel wire rope 4 is fixedly mounted on upper spider 7 is connected, the other end of pull bar 20 is hinged at the right end position 41 of upper lever 13, steel wire rope 4 with the other end of guide thimble be then fixedly mounted on the 4-2 position, left end side of upper bracket 9, and this one end of steel wire rope 4 then left end with lower lever 16 is connected;The 5-1 position on the right side of upper bracket 9 is installed with a steel wire rope 5 with one end of guide thimble, and one end fixed installation of the pull bar 21 with guide pin bushing that is fixedly mounted on upper spider 9 of this end and of steel wire rope 5, the other end of pull bar 21 is hinged at the right end position 42 of upper lever 15, steel wire rope 5 with the other end of guide thimble be then connected on the 5-2 position, right-hand member side of lower carriage 12, and this one end of steel wire rope 5 then right-hand member with lower lever 18 is connected;The 6-2 position on the right side of upper bracket 11 is also installed with a steel wire rope 6 with one end of guide thimble, and one end fixed installation of the pull bar 24 with guide pin bushing that is fixedly mounted on upper spider 11 of this end and of steel wire rope 6, the other end of pull bar 24 is hinged at the right end position 45 of upper lever 17, steel wire rope 6 with the other end of guide thimble be then fixedly mounted on the 6-1 position, right-hand member side of lower carriage 10, and this one end of steel wire rope 6 then right-hand member with lower lever 16 is connected;The 3-2 position on the right side of upper bracket 9 is also installed with a steel wire rope 3 with one end of guide thimble, and one end fixed installation of the pull bar 22 with guide pin bushing that is fixedly mounted on upper spider 9 of this end and of steel wire rope 3, the other end of pull bar 22 is hinged at the right end position 43 of upper lever 15, steel wire rope 3 with the other end of guide thimble be then fixedly mounted on the 3-1 position, right-hand member side of lower carriage 8, and this one end of steel wire rope 3 then right-hand member with lower lever 14 is connected.The two ends of the most each guide thimble are separately fixed on two supports of Liang Ge interlocking mechanism, guide thimble adjustable length.
Its operation principle is: when three interlocking mechanisms are in initial position, three any one of choppers can close a floodgate, during such as #1 breaker closing, when in #1 interlocking mechanism 37, lower lever 14 receives the switching signal passed over by lower plate 26, lower lever 14 rotates counterclockwise, the pull bar 23 in #3 interlocking mechanism (39) is driven to move upward by the 2nd transmission flexible steel cable, now #3 chopper upper lever 17 rotates counterclockwise, upper lever 17 drives upper plate 29 to rotate counterclockwise simultaneously, upper plate 29 presses #3 chopper on/off switch rotating shaft, #3 chopper now cannot close a floodgate;The pull bar 22 in #2 interlocking mechanism (38) is driven to move upward by the 3rd flexible steel cable, now in #2 chopper, upper lever 15 rotates counterclockwise, upper lever 15 drives upper plate 27 to rotate counterclockwise simultaneously, upper plate 27 presses #2 chopper on/off switch rotating shaft, and #2 chopper the most also cannot close a floodgate;While achieving the most any one of three choppers combined floodgate, remain two choppers and cannot close a floodgate simultaneously.In like manner, when in other two choppers any one first close a floodgate while, remain two choppers also while cannot close a floodgate.
In sum, can realize any one of three choppers combined floodgate according to described operation principle, remaining two can not close a floodgate.

Claims (1)

1. can two point of one mechanical interlocks of low-voltage circuit breaker closed, it includes and is separately mounted on first, second and third chopper side plate, corresponding first, second and third interlocking mechanism (37,38,39);In described first, second and third interlocking mechanism (37,38,39) front the most respectively to having first, second and third upper lever (13,15,17) and first, second and third time lever (14,16,18);nullDescribed first、Two、Tri-interlocking device (37、38、39) the first of front correspondence respectively、Two、Three upper levers (13、15、17) and the first、Two、Three times levers (14、16、18) the most respectively with described first、Two、Tri-interlocking device (37、38、39) corresponding first at the back side、Two、Plate (25 on three、27、29) and the first、Two、Three times plates (26、28、30) it is coaxially connected,And described first、Two、Plate (25 on three、27、29) and the first、Two、Three times plates (26、28、30) first the most corresponding thereto、Two、On/off switch rotating shaft and switching-on mechanism main shaft cantilever on three choppers are hinged,It is characterized in that: described first、Two、Tri-interlocking device (37、38、39) corresponding respectively on it is fixed with respective first、Two、Three upper brackets (7、9、11) and the first、Two、Three lower carriages (8、10、12);nullThe left side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be fixed with second steel wire rope (2) with one end of guide thimble,And described this end of second steel wire rope (2) is connected with the left end of described first time lever (14),Described the second steel wire rope (2) with the other end of guide thimble be then connected on the right-hand member side of the 3rd upper bracket (11) on the tri-interlocking device (39) on described 3rd chopper,And this one end of described the second steel wire rope (2) then with as be connected on described 3rd upper bracket (11) another with the 5th pull bar (23) of sleeve pipe one end be connected,The other end of the 5th described pull bar then right-hand member with the 3rd upper lever (17) on described tri-interlocking device (39) is hinged;The right side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be fixed with first steel wire rope (1) with one end of guide thimble, and one end of the first pull bar (19) with guide pin bushing that this end and of described first steel wire rope (1) is connected on the first upper bracket (7) is connected, the other end of described the first pull bar (19) is hinged with the right-hand member of described first upper lever (13), described the first steel wire rope (1) with the other end of guide thimble be then connected on the left end side of the 3rd upper bracket (11) on the tri-interlocking device (39) on described 3rd chopper, and this one end of described the first steel wire rope (1) then left end with the 3rd time lever (18) on described tri-interlocking device (39) is connected;The right side of the first upper bracket (7) in the first interlocking mechanism (37) on described First chopper be also fixed with one article of the 4th steel wire rope (4) with one end of guide thimble, and one end of the second pull bar (20) with guide pin bushing that this end and of described 4th steel wire rope (4) is connected on the first upper bracket (7) is connected, the other end of described the second pull bar (20) is hinged with the right-hand member of described first upper lever (13), the 4th described steel wire rope (4) with the other end of guide thimble be then connected on the left end side of the second upper bracket (9) in the second interlocking mechanism (38) on described second chopper, and this one end of the 4th described steel wire rope (4) then left end with second time lever (16) in described the second interlocking mechanism (38) is connected;The right side of the second upper bracket (9) in the second interlocking mechanism (38) on second described chopper be fixed with one article of the 5th steel wire rope (5) with one end of guide thimble, and one end of the 3rd pull bar (21) with guide pin bushing that this end and of described 5th steel wire rope (5) is connected on described second upper bracket (9) is connected, the other end of the 3rd described pull bar (21) is hinged with the right-hand member of described second upper lever (15), the 5th described steel wire rope (5) with the other end of guide thimble be then connected on the right-hand member side of the 3rd lower carriage (12) on the tri-interlocking device (39) on described 3rd chopper, and this one end of the 5th described steel wire rope (5) then right-hand member with the 3rd time lever (18) on described tri-interlocking device (39) is connected;nullThe right side of the 3rd upper bracket (11) on tri-interlocking device (39) on the 3rd described chopper be also fixed with one article of the 6th steel wire rope (6) with one end of guide thimble,And one end of the 6th pull bar (24) with guide pin bushing that this end and of described 6th steel wire rope (6) is connected on described 3rd upper bracket (11) is connected,The other end of the 6th described pull bar (24) is hinged with the right-hand member of described 3rd upper lever (17),The 6th described steel wire rope (6) with the other end of guide thimble be then connected on the right-hand member side of the second lower carriage (10) in the second interlocking mechanism (38) on described second chopper,And this one end of the 6th described steel wire rope (6) then right-hand member with second time lever (16) in described the second interlocking mechanism (38) is connected;The right side of the second upper bracket (9) in the second interlocking mechanism (38) on second described chopper be also fixed with one article of the 3rd steel wire rope (3) with one end of guide thimble, and one end of the four-pull-rod (22) with guide pin bushing that this end and of described 3rd steel wire rope (3) is connected on described second upper bracket (9) is connected, the other end of described four-pull-rod (22) is hinged with the right-hand member of described second upper lever (15), the 3rd described steel wire rope (3) with the other end of guide thimble be then connected on the right-hand member side of the first lower carriage (8) in the first interlocking mechanism (37) on described First chopper, and this one end of the 3rd described steel wire rope (3) then right-hand member with first time lever (14) in described the first interlocking mechanism (37) is connected.
CN201620194000.4U 2016-03-11 2016-03-11 Can two point of one low-voltage circuit breaker mechanical interlocks closed Active CN205723222U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107833769A (en) * 2017-11-01 2018-03-23 贵州泰永长征技术股份有限公司 Interlocking mechanism and interlock
CN109192567A (en) * 2018-08-24 2019-01-11 贵州泰永长征技术股份有限公司 A kind of mechanical interlock mechanism and mechanical interlocks with one-out-three function
CN112071721A (en) * 2020-11-16 2020-12-11 汇网电气有限公司 Circuit breaker interlocking switch device and safe low-voltage cabinet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107833769A (en) * 2017-11-01 2018-03-23 贵州泰永长征技术股份有限公司 Interlocking mechanism and interlock
CN107833769B (en) * 2017-11-01 2019-10-25 贵州泰永长征技术股份有限公司 Interlocking mechanism and interlock
CN109192567A (en) * 2018-08-24 2019-01-11 贵州泰永长征技术股份有限公司 A kind of mechanical interlock mechanism and mechanical interlocks with one-out-three function
CN112071721A (en) * 2020-11-16 2020-12-11 汇网电气有限公司 Circuit breaker interlocking switch device and safe low-voltage cabinet
CN112071721B (en) * 2020-11-16 2021-02-19 汇网电气有限公司 Circuit breaker interlocking switch device and safe low-voltage cabinet

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