CN104124635B - Low-voltage distribution cabinet drawer operation interlocking mechanism - Google Patents
Low-voltage distribution cabinet drawer operation interlocking mechanism Download PDFInfo
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- CN104124635B CN104124635B CN201410317219.4A CN201410317219A CN104124635B CN 104124635 B CN104124635 B CN 104124635B CN 201410317219 A CN201410317219 A CN 201410317219A CN 104124635 B CN104124635 B CN 104124635B
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- interlocking mechanism
- fixed mount
- killer switch
- circuit breaker
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Abstract
The present invention relates to a kind of low-voltage distribution cabinet drawer operation interlocking mechanism.This mechanism comprises the fixed mount be fixedly installed in above drawer-bottom board, fixed mount is provided with for making killer switch disconnect or closed circuit breaker operation mechanism, unlock when killer switch disconnects for making drawer or the locking when killer switch closes drawer interlocking mechanism and be fixedly connected on the driving shaft that being used between circuit breaker operation mechanism and drawer interlocking mechanism drives circuit breaker operation mechanism and drawer interlocking mechanism action simultaneously, driving shaft is arranged between fixed mount, head end is placed on outside fixed mount, afterbody end is fixedly connected with circuit breaker operation mechanism, drawer interlocking mechanism is fixedly connected between the head end of driving shaft and afterbody end.This mechanism integrates circuit breaker operation mechanism and drawer interlocking mechanism, not only substantially increases the space availability ratio in drawer, and size drawer is general, and interchangeability is good, and this mechanism structure is simple in addition, and low cost of manufacture, serviceability is reliable.
Description
Technical field
The present invention relates to power supplying and distributing equipment technical field, particularly a kind of low-voltage distribution cabinet drawer operation interlocking mechanism.
Background technology
In low-voltage drawer-type power distribution cabinet, the electric components such as the circuit breaker in drawer unit, cabinet itself and unit must realize reliable interlock protection, to ensure equipment component and personal safety.The circuit breaker operation mechanism of current existing low-voltage distribution cabinet drawer and drawer interlocking mechanism are split type, this structural volume is larger, not only make space availability ratio in drawer reduce, and size drawer can not be general, interchangeability is poor, in addition, split type Standard is complicated, requires high, thus improve manufacturing cost to the accuracy of manufacture, it is unreliable that split type structure uses, and needs the flexibility ratio of regularly adjustment operating mechanism and interlocking device.
Summary of the invention
The object of the invention is to overcome above defect, a kind of low-voltage distribution cabinet drawer operation interlocking mechanism is provided, this mechanism integrates circuit breaker operation mechanism and drawer interlocking mechanism, not only substantially increase the space availability ratio in drawer, and size drawer is general, interchangeability is good, and this mechanism structure is simple in addition, low cost of manufacture, serviceability is reliable.
The present invention is achieved in that a kind of low-voltage distribution cabinet drawer operation interlocking mechanism, be installed on drawer-bottom board, this mechanism comprises the fixed mount be fixedly installed in above drawer-bottom board, fixed mount is provided with for making killer switch disconnect or closed circuit breaker operation mechanism, unlock when killer switch disconnects for making drawer or the locking when killer switch closes drawer interlocking mechanism and be fixedly connected on the driving shaft that being used between circuit breaker operation mechanism and drawer interlocking mechanism drives circuit breaker operation mechanism and drawer interlocking mechanism action simultaneously, described driving shaft is arranged between fixed mount, head end is placed on outside fixed mount, afterbody end is fixedly connected with circuit breaker operation mechanism, described drawer interlocking mechanism is fixedly connected between the head end of driving shaft and afterbody end.
Operation principle of the present invention is as follows: when rotating driveshaft, and driving shaft drives circuit breaker operation mechanism that killer switch is closed, and driving shaft drives drawer interlocking device makes drawer locking simultaneously, drawer cannot be pulled out; Otherwise when driving shaft reverses, driving shaft drives circuit breaker operation mechanism to make killer switch disconnect, and driving shaft drives drawer interlocking device makes drawer unlock, and drawer can be pulled out simultaneously.
In order to improve the bonding strength of fixed mount, described fixed mount by front side board, back side panel, be fixedly connected on the fixed head between front side board and back side panel and the stiffener be fixedly connected between front side board and back side panel forms; In order to operating breaker switch better, described circuit breaker operation mechanism comprises swing arm that the killer switch clamping device that is slidably connected with the back side panel outer surface of fixed mount is rotationally connected with the back side panel inner surface of fixed mount, be connected to the rocking arm that killer switch clamping device and the bearing pin one between swing arm are fixedly connected with driving shaft and the connecting rod being used for driving swing arm to swing be connected between rocking arm and swing arm; Described back side panel is provided with the bar shaped escape groove matched with bearing pin one movement locus, and described bearing pin one passes from bar shaped escape groove, and one end is fixedly connected with killer switch clamping device, and the other end is flexibly connected with swing arm.
In order to clamp the killer switch of different size, described killer switch clamping device comprise clamping device body and be rotationally connected with clamping device body two for clamping the rotating shaft of killer switch, described clamping device body is provided with organizes the installing hole coordinated with rotating shaft more.
In order to improve the flexibility that bearing pin one coordinates with swing arm, one end that described bearing pin one is connected with swing arm is installed with bearing, and described swing arm is provided with the flat recess matched with bearing outside diameter.
Unlock or the locking when killer switch closes when killer switch disconnects to realize drawer, described drawer interlocking mechanism comprise be slidably connected with drawer-bottom board lower surface bolt, drive bolt to stretch out or the shift fork of retracting and the plectrum being used for driving shift fork to rotate be fixedly connected with driving shaft; Described bolt is provided with the groove matched with shift fork, described shift fork head is installed with the bearing pin two be connected with plectrum, described shift fork middle and upper part is articulated with front side board inner surface, be inserted in bottom described shift fork in the groove of bolt, the front side board of described fixed mount is provided with the arc escape groove matched with bearing pin two movement locus.
Disconnect or closed position for the ease of centering killer switch, described front side board outer surface is installed with the centering killer switch that is used for be positioned near plectrum and disconnects or the V-type elastomeric element of make position, and described plectrum is provided with two places and the breach matched bottom the V-type of V-type elastomeric element.
In order to make drawer interlocking more firm, the quantity of described bolt is two and is divided into the drawer-bottom board lower surface left and right sides, is also provided with the synchronous sheet that drive two bolts synchronously stretch out or synchronously retract that is used for be rotationally connected with drawer-bottom board between two bolts.
Compared to prior art, the present invention has the following advantages:
(1) the present invention integrates circuit breaker operation mechanism and drawer interlocking mechanism, not only substantially increases the space availability ratio in drawer, and size drawer is general, and interchangeability is good;
(2) gripping width of killer switch clamping device of the present invention can adjust, and can clamp the killer switch of different size, applied widely;
(3) the present invention is provided with the V-type elastomeric element coordinated with plectrum, the disconnection of easier centering killer switch and make position;
(4) structure of the present invention is simple, and low cost of manufacture, serviceability is reliable.
Accompanying drawing explanation
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is the three-dimensional structure schematic diagram of low-voltage distribution cabinet drawer operation interlocking mechanism of the present invention;
Fig. 2 is the three-dimensional structure schematic diagram of circuit breaker operation mechanism in Fig. 1, back side panel and driving shaft;
Fig. 3 is the three-dimensional structure schematic diagram of another angle in Fig. 2;
Fig. 4 is the three-dimensional structure schematic diagram of drawer-bottom board in Fig. 1, front side board, driving shaft and drawer interlocking mechanism;
Fig. 5 is the three-dimensional structure schematic diagram of another angle in Fig. 4;
Fig. 6 is the three-dimensional structure schematic diagram of another angle in Fig. 4.
Symbol description in figure: 1, drawer-bottom board, 2, fixed mount, 2-1, front side board, 2-2, back side panel, 2-3, fixed head, 2-4, stiffener, 3, circuit breaker operation mechanism, 3-1, killer switch clamping device, 3-1-1, clamping device body, 3-1-2, rotating shaft, 3-2, swing arm, 3-2-1, flat recess, 3-3, bearing pin one, 3-4, rocking arm, 3-5, connecting rod, 3-6, bearing, 4, drawer interlocking mechanism, 4-1, bolt, 4-2, shift fork, 4-3, plectrum, 4-4, bearing pin two, 4-5, V-type elastomeric element, 4-6, synchronous sheet, 5, driving shaft.
Embodiment
Below in conjunction with Figure of description and specific embodiment, content of the present invention is described in detail:
As shown in figures 1 to 6, for low-voltage distribution cabinet drawer operation interlocking mechanism provided by the invention, this mechanism is installed on drawer-bottom board 1, this mechanism comprises the fixed mount 2 be fixedly installed in above drawer-bottom board 1, fixed mount 2 is provided with for making killer switch disconnect or closed circuit breaker operation mechanism 3, unlock when killer switch disconnects for making drawer or the locking when killer switch closes drawer interlocking mechanism 4 and be fixedly connected on the driving shaft 5 that being used between circuit breaker operation mechanism 3 and drawer interlocking mechanism 4 drives circuit breaker operation mechanism 3 and drawer interlocking mechanism 4 action simultaneously, described driving shaft 5 is arranged between fixed mount 2, head end is placed on outside fixed mount 2, (not shown) is connected with drawer outside handle, afterbody end is fixedly connected with circuit breaker operation mechanism 3, described drawer interlocking mechanism 4 is fixedly connected between the head end of driving shaft 5 and afterbody end.
In order to improve the bonding strength of fixed mount 2, described fixed mount 2 by front side board 2-1, back side panel 2-2, be fixedly connected on the fixed head 2-3 between front side board 2-1 and back side panel 2-2 and the stiffener 2-4 be fixedly connected between front side board 2-1 and back side panel 2-2 and form, as shown in Figure 1, front side board 2-1 docks with back side panel 2-2, fixed head 2-3 is positioned at front side board 2-1 and is fixedly connected with by screw with below back side panel 2-2, certainly also otherwise can be fixed connection, in order to operating breaker switch better, described circuit breaker operation mechanism 3 comprises the killer switch clamping device 3-1 be slidably connected with the back side panel 2-2 outer surface of fixed mount 2, the swing arm 3-2 be rotationally connected with the back side panel 2-2 inner surface of fixed mount 2, be connected to bearing pin one 3-3 between killer switch clamping device 3-1 and swing arm 3-2, the rocking arm 3-4 be fixedly connected with driving shaft 5 and be connected to the connecting rod 3-5 that being used between rocking arm 3-4 and swing arm 3-2 drive swing arm 3-2 to swing, as shown in Figure 3, two pieces of limiting plates being fixedly installed in back side panel 2-2 outer surface and two pieces of pressing plates be fixedly installed in above limiting plate define a slideway that can slide for clamping device 3-1, certain clamping device 3-1 and back side panel 2-2 also can adopt other the mode that is slidably connected, as groove is slidably connected, wheel slippage connects, line rail is slidably connected etc., described back side panel 2-2 is provided with the bar shaped escape groove matched with bearing pin one 3-3 movement locus, and described bearing pin one 3-3 passes from bar shaped escape groove, and one end is fixedly connected with killer switch clamping device 3-1, and the other end is flexibly connected with swing arm 3-2.
In order to clamp the killer switch of different size, as shown in Figure 3, described killer switch clamping device 3-1 comprise clamping device body 3-1-1 and be rotationally connected with clamping device body 3-1-1 two for clamping the rotating shaft 3-1-2 of killer switch, described clamping device body 3-1-1 is provided with to organize the installing hole coordinated with rotating shaft 3-1-2 more, the installation site only need changing rotating shaft 3-1-2 can form different gripping width, can clamp the killer switch of different size, applied widely.
In order to improve the flexibility that bearing pin one coordinates with swing arm, as shown in Figure 2, one end that described bearing pin one 3-3 is connected with swing arm 3-2 is installed with bearing 3-6, and described swing arm 3-2 is provided with the flat recess 3-2-1 matched with bearing 3-6 external diameter.
Unlock or the locking when killer switch closes when killer switch disconnects to realize drawer, as shown in Figure 6, described drawer interlocking mechanism 4 comprise be slidably connected with drawer-bottom board 1 lower surface bolt 4-1, drive bolt 4-1 to stretch out or the shift fork 4-2 that retracts and the plectrum 4-3 being used for driving shift fork 4-2 to rotate be fixedly connected with driving shaft 5, as shown in Figure 6, bolt 4-1 is provided with three flat recesses (two flat recesses in theory, but the number in order to make slip more steadily suitably can increase flat recess according to bolt length), bolt 4-1 is fixed on drawer-bottom board 1 by pin, described bolt 4-1 is provided with the groove matched with shift fork 4-2, bolt 4-1 can relatively slide by drawer-bottom board under the drive of shift fork 4-2, certainly, bolt 4-1 and drawer-bottom board 4-1 also can adopt other mode that is slidably connected, as the mode etc. that is slidably connected of clamping device 3-1 and back side panel 2-2, as shown in Figure 5, described shift fork 4-2 head is installed with bearing pin two 4-4 be connected with plectrum 4-3, described shift fork 4-2 middle and upper part is articulated with front side board 2-1 inner surface, be inserted in bottom described shift fork 4-2 in the groove of bolt 4-1, the front side board 2-1 of described fixed mount 2 is provided with the arc escape groove matched with bearing pin two 4-4 movement locus.
Disconnect or closed position for the ease of centering killer switch, as shown in Figure 4, described front side board 2-1 outer surface is installed with the centering killer switch that is used for be positioned at above plectrum 4-3 and disconnects or the V-type elastomeric element 4-5 of make position, as required, V-type elastomeric element 4-5 also can be arranged on the position be positioned near plectrum 4-3, described plectrum 4-3 is provided with two places and the breach matched bottom the V-type of V-type elastomeric element 4-5, when plectrum 4-3 rotate in place, bottom the V-type of V-type elastomeric element 4-5, namely fall into the breach of plectrum 4-3.
In order to make drawer interlocking more firm, as shown in Figure 6, the quantity of described bolt 4-1 is two and is divided into the drawer-bottom board 1 lower surface left and right sides, the synchronous sheet 4-6 that drive two bolt 4-1 synchronously stretch out or synchronously retract that is used for be rotationally connected with drawer-bottom board 1 is also provided with between two bolt 4-1, described synchronous sheet 4-6 is H type, middle part and the drawer-bottom board of H type are rotationally connected, and the two ends of H type are provided with the groove matched with the pin on two bolt 4-1.
The operation principle of this invention is as follows: when rotating driveshaft, as shown in Figure 2, driving shaft 5 drives rocking arm 3-4 to rotate, rocking arm 3-4 drives swing arm 3-2 to swing by connecting rod 3-5, swing arm 3-2 drives killer switch clamping device 3-1 by bearing pin one 3-3, killer switch clamping device 3-1 opposite posterior plate 2-2 is slided, thus close circuit breaker switch, as Figure 4-Figure 6, driving shaft 5 also drives plectrum 4-3 to rotate simultaneously, when rotateing in place, namely the breach of plectrum 4-3 is fallen into bottom the V-type of V-type elastomeric element 4-5, plectrum 4-3 drives shift fork 4-2 to rotate around pin joint by bearing pin two 4-4, bolt 4-1 is driven to stretch out bottom shift fork 4-2, bolt 4-1 drives another bolt synchronously to stretch out by synchronous sheet 4-6, make drawer locking, drawer cannot be pulled out, vice versa.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention, and the present invention has more than and is only confined to above-described embodiment, and every any improvement according to the principle of the invention or replacement, all should within protection scope of the present invention.
Claims (6)
1. a low-voltage distribution cabinet drawer operation interlocking mechanism, be installed on drawer-bottom board (1), it is characterized in that: this mechanism comprises the fixed mount (2) being fixedly installed in drawer-bottom board (1) top, fixed mount (2) is provided with for making killer switch disconnect or closed circuit breaker operation mechanism (3), unlock when killer switch disconnects for making drawer or the locking when killer switch closes drawer interlocking mechanism (4) and be fixedly connected on the driving shaft (5) that being used between circuit breaker operation mechanism (3) and drawer interlocking mechanism (4) drives circuit breaker operation mechanism (3) and drawer interlocking mechanism (4) action simultaneously, described driving shaft (5) is arranged between fixed mount (2), head end is placed on fixed mount (2) outside, afterbody end is fixedly connected with circuit breaker operation mechanism (3), between the head end that described drawer interlocking mechanism (4) is fixedly connected on driving shaft (5) and afterbody end, described fixed mount (2) by front side board (2-1), back side panel (2-2), be fixedly connected on the fixed head (2-3) between front side board (2-1) and back side panel (2-2) and the stiffener (2-4) be fixedly connected between front side board (2-1) and back side panel (2-2) forms, described circuit breaker operation mechanism (3) comprises the killer switch clamping device (3-1) be slidably connected with the back side panel of fixed mount (2) (2-2) outer surface, the swing arm (3-2) be rotationally connected with back side panel (2-2) inner surface of fixed mount (2), be connected to the bearing pin one (3-3) between killer switch clamping device (3-1) and swing arm (3-2), the rocking arm (3-4) be fixedly connected with driving shaft (5) and be connected to the connecting rod (3-5) that being used between rocking arm (3-4) and swing arm (3-2) drive swing arm (3-2) to swing, described back side panel (2-2) is provided with the bar shaped escape groove matched with bearing pin one (3-3) movement locus, described bearing pin one (3-3) is passed from bar shaped escape groove, one end is fixedly connected with killer switch clamping device (3-1), and the other end is flexibly connected with swing arm (3-2).
2. low-voltage distribution cabinet drawer operation interlocking mechanism according to claim 1, it is characterized in that: described killer switch clamping device (3-1) comprise clamping device body (3-1-1) and be rotationally connected with clamping device body (3-1-1) two for clamping the rotating shaft (3-1-2) of killer switch, described clamping device body (3-1-1) is provided with organizes the installing hole coordinated with rotating shaft (3-1-2) more.
3. low-voltage distribution cabinet drawer operation interlocking mechanism according to claim 1 and 2, it is characterized in that: one end that described bearing pin one (3-3) is connected with swing arm (3-2) is installed with bearing (3-6), described swing arm (3-2) is provided with the flat recess (3-2-1) matched with bearing (3-6) external diameter.
4. low-voltage distribution cabinet drawer operation interlocking mechanism according to claim 1, is characterized in that: described drawer interlocking mechanism (4) comprise be slidably connected with drawer-bottom board (1) lower surface bolt (4-1), drive bolt (4-1) to stretch out or the shift fork (4-2) of retracting and the plectrum (4-3) being used for driving shift fork (4-2) to rotate be fixedly connected with driving shaft (5); Described bolt (4-1) is provided with the groove matched with shift fork (4-2), described shift fork (4-2) head is installed with the bearing pin two (4-4) be connected with plectrum (4-3), described shift fork (4-2) middle and upper part is articulated with front side board (2-1) inner surface, described shift fork (4-2) bottom is inserted in the groove of bolt (4-1), and the front side board (2-1) of described fixed mount (2) is provided with the arc escape groove matched with bearing pin two (4-4) movement locus.
5. low-voltage distribution cabinet drawer operation interlocking mechanism according to claim 4, it is characterized in that: described front side board (2-1) outer surface is installed with the centering killer switch that is used for be positioned near plectrum (4-3) and disconnects or the V-type elastomeric element (4-5) of make position, and described plectrum (4-3) is provided with two places and the breach matched bottom the V-type of V-type elastomeric element (4-5).
6. the low-voltage distribution cabinet drawer operation interlocking mechanism according to claim 4 or 5, it is characterized in that: the quantity of described bolt (4-1) is two and is divided into drawer-bottom board (1) the lower surface left and right sides, between two bolts (4-1), be also provided with the synchronous sheet (4-6) that drive two bolts (4-1) synchronously stretch out or synchronously retract that is used for be rotationally connected with drawer-bottom board (1).
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CN201410317219.4A CN104124635B (en) | 2014-07-04 | 2014-07-04 | Low-voltage distribution cabinet drawer operation interlocking mechanism |
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CN201410317219.4A CN104124635B (en) | 2014-07-04 | 2014-07-04 | Low-voltage distribution cabinet drawer operation interlocking mechanism |
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CN104124635B true CN104124635B (en) | 2016-04-27 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107919629B (en) * | 2016-10-10 | 2023-09-29 | 上海昱章电气股份有限公司 | Switch cabinet drawer interlocking device and fuse drawer with same |
CN109038339B (en) * | 2017-06-12 | 2024-03-01 | 天津市中力防雷技术有限公司 | Propelling mechanism, propelling interlocking device and switch drawer unit |
CN109712848A (en) * | 2018-11-18 | 2019-05-03 | 温州市国通电器有限公司 | A kind of operating mechanism of power distribution cabinet New Low Voltage breaker of plastic casing |
CN110190545B (en) * | 2019-06-27 | 2024-05-28 | 镇江西门子母线有限公司 | Switch control device |
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CN201289976Y (en) * | 2008-11-05 | 2009-08-12 | 上海泰高开关有限公司 | Small interlock propulsion mechanism |
CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂) | Circuit breaker interlocking device |
CN201829852U (en) * | 2010-10-25 | 2011-05-11 | 周金隆 | Drawer propulsion interlocking mechanism |
CN202190015U (en) * | 2011-08-09 | 2012-04-11 | 佛山市明华电控设备有限公司 | Low-voltage drawer-type power distribution cabinet and operating mechanism thereof |
CN203193163U (en) * | 2013-02-25 | 2013-09-11 | 上海电器股份有限公司人民电器厂 | Interlocking device used for drawer type breaker |
CN204012385U (en) * | 2014-07-04 | 2014-12-10 | 福建森达电气股份有限公司 | Low-voltage distribution cabinet drawer operation interlocking mechanism |
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- 2014-07-04 CN CN201410317219.4A patent/CN104124635B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201289976Y (en) * | 2008-11-05 | 2009-08-12 | 上海泰高开关有限公司 | Small interlock propulsion mechanism |
CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂) | Circuit breaker interlocking device |
CN201829852U (en) * | 2010-10-25 | 2011-05-11 | 周金隆 | Drawer propulsion interlocking mechanism |
CN202190015U (en) * | 2011-08-09 | 2012-04-11 | 佛山市明华电控设备有限公司 | Low-voltage drawer-type power distribution cabinet and operating mechanism thereof |
CN203193163U (en) * | 2013-02-25 | 2013-09-11 | 上海电器股份有限公司人民电器厂 | Interlocking device used for drawer type breaker |
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