CN204991611U - Counting device of circuit breaker - Google Patents
Counting device of circuit breaker Download PDFInfo
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- CN204991611U CN204991611U CN201520695368.4U CN201520695368U CN204991611U CN 204991611 U CN204991611 U CN 204991611U CN 201520695368 U CN201520695368 U CN 201520695368U CN 204991611 U CN204991611 U CN 204991611U
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- counting
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- counter
- circuit breaker
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Abstract
The utility model provides a counting device of circuit breaker, is including count lever sum counter, the one end of count lever can be connected with the operating device drive of circuit breaker, and the other end of count lever passes through the connecting rod to be connected with the counter drive, thereby operating device make the count lever rotate driving connecting rod pulling counter in when action to count. The one end of connecting rod is connected with the counter, the other end and the spacing installation of count lever of connecting rod to the tip of connecting rod rotates the lateral wall interact who counting when and count the lever at the count lever, thereby accomplishes the count of counter. The utility model provides a counting device of circuit breaker that the action process is stable, the count result is accurate, mechanical structure is simple.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of circuit breaker counting device.
Background technology
Circuit breaker counting device is arranged on the operating mechanism of circuit breaker, be used for monitoring breaker operation lifetime and change time of parts, and record circuit breaker major loop closed/disconnection times.Existing counting device carries out driving counting by operating mechanism combined floodgate/separating brake moving component to counter equipment, utilizes arm lever to drive counter particular by operating mechanism cam as the drive source of counter.But the weak point of this counting mode is, Multi-stage transmission is there is between the camming movement of one side circuit breaker operation mechanism and main contact, neither be synchronized with the movement, cannot the on/off situation of Real-Time Monitoring major loop, arm lever can impact counter equipment on the other hand, affects the counting reliability of counter equipment.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides that a kind of course of action is stable, count results is accurate, the simple circuit breaker counting device of mechanical structure.
For achieving the above object, the utility model have employed following technical scheme:
A kind of circuit breaker counting device, comprise counting lever 1 sum counter 3, one end of described counting lever 1 can drive with the operating mechanism of circuit breaker and be connected, the other end of counting lever 1 is driven with counter 3 by connecting rod 2 and is connected, and described operating mechanism makes when action counting lever 1 rotate thus drives connecting rod 2 to pull counter 3 to count.One end of described connecting rod 2 is connected with counter 3, the other end and counting lever 1 limit mounting of connecting rod 2, and the end of connecting rod 2 interacts with the sidewall of counting lever 1 when counting lever 1 and rotating and count, thus completes the counting of counter 3.
Further, described operating system sum counter 3 is separately positioned on the both sides of cover plate assembly 4, described counting lever 1 is rotatably mounted on the side of cover plate assembly 4 along upper, also be provided with for driving the torsion spring 101 counting lever 1 and rotate when counting between counting lever 1 and cover plate assembly 4, and count when lever 1 is in count status and can connect with spacing contact of cover plate assembly 4.
Further, one end of described counting lever 1 can act on the second u-shaped installation portion 220 of connecting rod 2 end the leverage end 110 be connected, counting lever 1 is also provided with torsion spring 101, and circuit breaker operating mechanism drive counting lever 1 overcome torsion spring 101 act on thus make counting lever 1 be in reset mode time, be provided with buffer gap 100 between described leverage end 110 and the second u-shaped installation portion 220.
Further, the two ends of described connecting rod 2 are respectively equipped with the first u-shaped installation portion 210 and the second u-shaped installation portion 220 be bent to form, the first described u-shaped installation portion 210 is connected with the counting draw-bar 31 hole axle of counter 3, the second described u-shaped installation portion 220 comprises acting section 221 and spacing section 222 of being connected with acting section 221 both sides, the leverage end 110 of described counting lever 1 is installed in the u-shaped structure that is made up of acting section 221 and spacing section 222, leverage end 110 acts on acting section 221 when count status contacting and connects thus drive the first u-shaped installation portion 210 to pull counting draw-bar 31, and the installation gap 230 be provided with between the first u-shaped installation portion 210 and the corresponding end of the second u-shaped installation portion 120 for installing.
Further, described counting lever 1 comprises the lever actuated end 120 that to drive with the operating mechanism of circuit breaker and connect and contacts the leverage end 110 connected with connecting rod 2, described leverage end 110 is provided with spacing cross bar 130, described cover plate assembly 4 also comprises the postive stop baffle 41 being arranged on counting lever 1 side, and described spacing cross bar 130 connects with spacing contact the in the surface of postive stop baffle 41 when counting lever 1 and being in count status.
Further, the end of described spacing cross bar 130 is also arranged with the rubber bar 131 that can be connected with the surface contact of postive stop baffle 41.
Further, described counting lever 1 is in L-type structure, wherein one end of the counting lever 1 of L-type is horizontally disposed lever actuated end 120, plane 121 bottom described lever actuated end 120 can contact with the operating mechanism of circuit breaker, the other end of the counting lever 1 of L-type is vertical setting and can contacts the leverage end 110 connected with connecting rod 2, described leverage end 110 and the junction of lever actuated end 120 offer the lever installing hole 112 for being rotatably connected with cover plate assembly 4, and the cross bar installing hole 111 leverage end 110 also offered for fixedly mounting spacing cross bar 130, spacing cross bar 130 is fixedly mounted in cross bar installing hole 111 by supporting screw 102, the sidewall of described supporting screw 102 is also connected with the ends contact of connecting rod 2.
Further, described counter 3 is provided with the counting draw-bar 31 be connected with counter 3 rotary actuation, described counting draw-bar 31 rotate counting time be provided with running clearance relative to counter 3, and count lever 31 can from master reset when the pulling force effect not being subject to connecting rod 2.
Further, described counting lever 1, the operating mechanism of counter 3 and circuit breaker is arranged on the cover plate assembly 4 of circuit breaker, its Counter 3 is fixedly mounted on the counter mounting bracket 42 of cover plate assembly 4 top installation, operating mechanism is arranged on the bottom of cover plate assembly 4, be provided with for driving the torsion spring 101 counting lever 1 and rotate between counting lever 1 and cover plate assembly 4, and torsion spring 101 is released energy thus is driven counting lever 1 opposing cover plates assembly 4 rotate clockwise and be in count status when breaker closing, the end sidewalls of counting lever 1 acts on connecting rod 2 and contacts and then pull counter 3 to count, operating mechanism drives when breaker open operation counting lever 1 to overcome torsion spring 101 opposing cover plates assembly 4 and rotates counterclockwise and be in reset mode, the end sidewalls of counting lever 1 is provided with buffer gap 100 when reset mode and between connecting rod.
Further, described operating mechanism comprises the activation lever 43 be arranged on bottom cover plate assembly 4, one end of described activation lever 43 is connected with the bottom pivotable of cover plate assembly 4, the other end of activation lever 43 can be connected with the counting end of lever 1 and the cam contact of operating mechanism respectively, and the bottom of cover plate assembly 4 is also installed with the baffle plate 44 swung up and down for spacing activation lever 43.
Circuit breaker counting device of the present utility model is coordinated by counting lever and connecting rod, achieve the impulsive force that counter is not subject to from operating mechanism in separating brake and making process, ensure that the accuracy of rolling counters forward process, thus improve the job stability of counting device.In addition, by by the end of connecting rod and counting lever limit mounting, achieve the cushioning effect between connecting rod and counting lever, thus improve the reliability of counting process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of connecting rod of the present utility model;
Fig. 3 is the structural representation of counting lever of the present utility model;
Fig. 4 is part-structure schematic diagram of the present utility model.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing 1 to 4, further illustrate circuit breaker counting device embodiment of the present utility model.Circuit breaker counting device of the present utility model is not limited to the description of following examples.
Circuit breaker counting device of the present utility model, the counter 3 comprised in counting lever 1, connecting rod 2, counter 3 and cover plate assembly 4, Fig. 1 is arranged on the side of cover plate assembly 4, and the opposite side of described cover plate assembly 4 is provided with the operating mechanism of circuit breaker.Described counting lever 1 is rotatably installed in the side of cover plate assembly 4 along upper, and counts between lever 1 and cover plate assembly 4 and be provided with for driving the torsion spring 101 counting lever 1 and rotate.Particularly, counting one end of lever 1 drives with the operating mechanism of circuit breaker and is connected, and the other end of counting lever 1 is driven with counter 3 by connecting rod 2 and is connected.When operating mechanism and the end of counting lever 1 act on and being connected, operating mechanism drives counting lever 1 to overcome torsion spring 101 and rotates thus make counting lever 1 be in reset mode, and now count without interaction force between lever 1 and connecting rod 2, counter 3 can from master reset.Operating mechanism with counting lever 1 end act on is connected time, counting lever 1 torsion spring 101 release can act under rotation thus make counting lever 1 be in count status, now counting lever 1 drive connecting rod 2 to pull counter 3 to count.Especially, one end of connecting rod 2 is connected with counter 3, the other end and counting lever 1 limit mounting of connecting rod 2.Wherein, connecting rod 2 refers to the limit mounting of counting lever 1, connecting rod 2 be in the reset state placed in counting lever 1 sidewall on and counting lever 1 sidewall between there is no interaction force, active force is produced between connecting rod 2 and the sidewall counting lever 1 when being gone to count status by reset mode, and then the end realizing connecting rod 2 interacts with the sidewall of counting lever 1 when counting lever 1 and rotating and count, thus complete the counting of counter 3.Counting device structure of the present utility model is simple, ensures the accuracy of count results.Simultaneously, counting lever drives the counting mode be connected to coordinate to count between lever with connecting rod by connecting rod and counter and adopts the spacing mounting means be connected, achieve the cushioning effect between connecting rod and counting lever, significantly reduce operating mechanism impact to counting device when action, ensure that stability and the reliability of counting device work.
Circuit breaker counting device of the present utility model can reduce the impact of operating mechanism to counter, and specific embodiment is as described below:
The two ends of the connecting rod 2 in Fig. 2 are respectively equipped with the first u-shaped installation portion 210 and the second u-shaped installation portion 220 be bent to form, the first described u-shaped installation portion 210 can be connected with counting draw-bar 31 hole axle through the counting draw-bar 31 of counter 3, the second described u-shaped installation portion 220 comprises acting section 221 and spacing section 222 of being connected with acting section 221 both sides, the end of described counting lever 1 is installed in the u-shaped structure that is made up of acting section 221 and spacing section 222, the end of counting lever 1 acts on acting section 221 when count status contacting and connects thus drive the first u-shaped installation portion 210 to pull counting draw-bar 31, and the installation gap 230 be provided with between the first u-shaped installation portion 210 and the corresponding end of the second u-shaped installation portion 120 for installing.When mounted, first by installation gap 230, first u-shaped installation portion 210 is in place through the installing hole on counting draw-bar 31 by the end of the first u-shaped installation portion 210, again the u-shaped structure of the second u-shaped installation portion 220 is installed in the end of counting lever 1, preferably, the end of counting lever 1 can be provided with supporting screw 102, and the sidewall of described supporting screw 102 can contact with the bottom of spacing section 222 and connects thus install the second u-shaped installation portion 120 for support limit.The structure of connecting rod is simply installed, and not only increases installation effectiveness, ensure that connecting rod is in the stability driving counting process simultaneously.
One end of counting lever 1 in Fig. 4 can contact the leverage end 110 connected with acting section 221, and when the operating mechanism of circuit breaker drives counting lever 1 overcome the effect of torsion spring 101 thus make counting lever 1 be in reset mode, between described leverage end 110 and acting section 221, be provided with buffer gap 100.Counting lever 31 on counter 3 of the present utility model can automatically reset when the pulling force effect not being subject to connecting rod 2.Therefore, buffer gap avoids the impulsive force that operating mechanism brings effectively, thus makes the reseting procedure of counter rely on the reset force of counter equipment self completely and not by the effect of any external force, achieve the reliable tally function of counter device.
Counting lever 1 in Fig. 3 is in L-type structure, wherein one end of the counting lever 1 of L-type is horizontally disposed lever actuated end 120, plane 121 bottom described lever actuated end 120 can contact with the operating mechanism of circuit breaker, the other end of the counting lever 1 of L-type is vertical setting and can contacts the leverage end 110 connected with connecting rod 2, and described leverage end 110 and the junction of lever actuated end 120 offer the lever installing hole 112 for being rotatably connected with cover plate assembly 4.Especially, count when lever 1 is in count status and can connect with spacing contact of cover plate assembly 4.Counting lever mounting structure is stablized, and counts lever by the spacing cushioning effect that can play further counting device of cover plate assembly.
Counting lever 1 in Fig. 4 comprises the lever actuated end 120 that to drive with the operating mechanism of circuit breaker and connect and contacts the leverage end 110 connected with connecting rod 2, described leverage end 110 is provided with spacing cross bar 130, described cover plate assembly 4 also comprises the postive stop baffle 41 being arranged on counting lever 1 side, and described spacing cross bar 130 connects with spacing contact the in the surface of postive stop baffle 41 when counting lever 1 and being in count status.Particularly, the leverage end 110 in Fig. 3 also offers the cross bar installing hole 111 for fixedly mounting spacing cross bar 130, spacing cross bar 130 is fixedly mounted in cross bar installing hole 111 by supporting screw 102.Especially, the end of spacing cross bar 130 is also arranged with the rubber bar 131 that can be connected with the surface contact of postive stop baffle 41.Spacing cross bar not only has buffer protection function to auxiliary contact shell, and plays deceleration buffer effect to rolling counters forward process, thus increases the useful life of counting device.Supporting screw is not only for all right supporting linkage of fixing spacing cross bar simultaneously, makes counting device structure simply be convenient to assembling.
Counter 3 in Fig. 1 is provided with the counting draw-bar 31 be connected with counter 3 rotary actuation, described counting draw-bar 31 rotate counting time be provided with running clearance relative to counter 3, and count lever 31 can from master reset when the pulling force effect not being subject to connecting rod 2.Running clearance is used for counting effectively the actuating force of torsion spring lever buffering to be fallen instantaneously, thus improves the stability of counter works.
The concrete mounting structure of circuit breaker counting device of the present utility model and the embodiment of the course of work as described below:
The operating mechanism of described counting lever 1, counter 3 and circuit breaker is arranged on the cover plate assembly 4 of circuit breaker, its Counter 3 is fixedly mounted on the counter mounting bracket 42 of cover plate assembly 4 top installation, operating mechanism is arranged on the bottom of cover plate assembly 4, is provided with for driving the torsion spring 101 counting lever 1 and rotate between counting lever 1 and cover plate assembly 4.Especially, operating mechanism in Fig. 1 comprises the activation lever 43 be arranged on bottom cover plate assembly 4, one end of described activation lever 43 is connected with the bottom pivotable of cover plate assembly 4, the other end of activation lever 43 can be connected with the counting end of lever 1 and the cam contact of operating mechanism respectively, and the bottom of cover plate assembly 4 is also installed with the baffle plate 44 swung up and down for spacing activation lever 43.
In making process, the cam of circuit breaker operation mechanism turns to does not have an effect with the end of activation lever 43, make activation lever 43 to lower swing thus do not interact with the plane 121 of counting lever 1, torsion spring 101 is released energy thus is driven counting lever 1 opposing cover plates assembly 4 rotate clockwise and be in count status, and the end sidewalls of counting lever 1 acts on connecting rod 2 and contacts and then pull the counting draw-bar 31 of counter 3 to count.
In separating brake process, the cam of circuit breaker operation mechanism rotates and interacts with the end of activation lever 43, activation lever 43 is upwards swung thus interacts with the plane 121 of counting lever 1, counting lever 1 overcomes torsion spring 101 opposing cover plates assembly 4 and rotates counterclockwise and be in reset mode, and the end sidewalls of counting lever 1 is provided with buffer gap 100 when reset mode and between connecting rod.Several pull bars 31 of counter 3 can rotate clockwise to get back to reset mode or rotate counterclockwise in the process resetted gets back to reset mode.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a circuit breaker counting device, comprise counting lever (1) sum counter (3), it is characterized in that: one end of described counting lever (1) can drive with the operating mechanism of circuit breaker and be connected, the other end of counting lever (1) is driven with counter (3) by connecting rod (2) and is connected, and described operating mechanism makes when action counting lever (1) rotate thus drives connecting rod (2) to pull counter (3) to count;
One end of described connecting rod (2) is connected with counter (3), the other end and counting lever (1) limit mounting of connecting rod (2), and the end of connecting rod (2) interacts with the sidewall of counting lever (1) when counting lever (1) and rotating and count, thus completes the counting of counter (3).
2. circuit breaker counting device according to claim 1, it is characterized in that: described operating system sum counter (3) is separately positioned on the both sides of cover plate assembly (4), described counting lever (1) is rotatably mounted on the side of cover plate assembly (4) along upper, also be provided with for driving the torsion spring (101) counting lever (1) and rotate when counting between counting lever (1) and cover plate assembly (4), and count when lever (1) is in count status and can connect with spacing contact of cover plate assembly (4).
3. circuit breaker counting device according to claim 1, it is characterized in that: one end of described counting lever (1) can act on the second U-shaped installation portion (220) of connecting rod (2) end the leverage end (110) be connected, counting lever (1) is also provided with torsion spring (101), and when the operating mechanism of circuit breaker drives counting lever (1) overcome torsion spring (101) effect thus make counting lever (1) be in reset mode, buffer gap (100) is provided with between described leverage end (110) and the second U-shaped installation portion (220).
4. circuit breaker counting device according to claim 3, it is characterized in that: the two ends of described connecting rod (2) are respectively equipped with the first U-shaped installation portion (210) and the second U-shaped installation portion (220) that are bent to form, described first U-shaped installation portion (210) is connected with counting draw-bar (31) the hole axle of counter (3), spacing section (222) that described second U-shaped installation portion (220) comprises acting section (221) and is connected with acting section (221) both sides, the leverage end (110) of described counting lever (1) is installed in the U-shaped structure that is made up of acting section (221) and spacing section (222), leverage end (110) acts on acting section (221) when count status contacting and connects thus drive the first U-shaped installation portion (210) to pull counting draw-bar (31), and the installation gap (230) be provided with between the corresponding end of the first U-shaped installation portion (210) and the second U-shaped installation portion (120) for installing.
5. circuit breaker counting device according to claim 2, it is characterized in that: described counting lever (1) comprises the lever actuated end (120) that to drive with the operating mechanism of circuit breaker and connect and contacts the leverage end (110) connected with connecting rod (2), described leverage end (110) is provided with spacing cross bar (130), described cover plate assembly (4) also comprises the postive stop baffle (41) being arranged on counting lever (1) side, described spacing cross bar (130) connects with spacing contact the in the surface of postive stop baffle (41) when counting lever (1) and being in count status.
6. circuit breaker counting device according to claim 5, is characterized in that: the end of described spacing cross bar (130) is also arranged with the rubber bar (131) that can be connected with the surface contact of postive stop baffle (41).
7. circuit breaker counting device according to claim 5, it is characterized in that: described counting lever (1) is in L-type structure, wherein one end of the counting lever (1) of L-type is horizontally disposed lever actuated end (120), the plane (121) of described lever actuated end (120) bottom can contact with the operating mechanism of circuit breaker, the other end of the counting lever (1) of L-type is vertical setting and can contacts the leverage end (110) connected with connecting rod (2), described leverage end (110) and the junction of lever actuated end (120) offer the lever installing hole (112) for being rotatably connected with cover plate assembly (4), and the cross bar installing hole (111) leverage end (110) also offered for fixedly mounting spacing cross bar (130), spacing cross bar (130) is fixedly mounted in cross bar installing hole (111) by supporting screw (102), the sidewall of described supporting screw (102) is also connected with the ends contact of connecting rod (2).
8. circuit breaker counting device according to claim 2, it is characterized in that: described counter (3) is provided with the counting draw-bar (31) be connected with counter (3) rotary actuation, described counting draw-bar (31) rotate counting time be provided with running clearance relative to counter (3), and count lever (31) can from master reset when not being subject to the pulling force effect of connecting rod (2).
9. the circuit breaker counting device according to any one of claim 1 to 8, it is characterized in that: described counting lever (1), the operating mechanism of counter (3) and circuit breaker is arranged on the cover plate assembly (4) of circuit breaker, its Counter (3) is fixedly mounted on the counter mounting bracket (42) of cover plate assembly (4) top installation, operating mechanism is arranged on the bottom of cover plate assembly (4), be provided with for driving the torsion spring (101) counting lever (1) and rotate between counting lever (1) and cover plate assembly (4), and torsion spring (101) is released energy thus is driven counting lever (1) opposing cover plates assembly (4) rotate clockwise and be in count status when breaker closing, the end sidewalls of counting lever (1) acts on connecting rod (2) and contacts and then pull counter (3) to count, operating mechanism drives when breaker open operation counting lever (1) to overcome torsion spring (101) opposing cover plates assembly (4) and rotates counterclockwise and be in reset mode, the end sidewalls of counting lever (1) is provided with buffer gap (100) when reset mode and between connecting rod.
10. circuit breaker counting device according to claim 9, it is characterized in that: described operating mechanism comprises the activation lever (43) being arranged on cover plate assembly (4) bottom, one end of described activation lever (43) is connected with the bottom pivotable of cover plate assembly (4), the other end of activation lever (43) can be connected with the end of counting lever (1) and the cam contact of operating mechanism respectively, and the bottom of cover plate assembly (4) is also installed with the baffle plate (44) swung up and down for spacing activation lever (43).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520695368.4U CN204991611U (en) | 2015-09-09 | 2015-09-09 | Counting device of circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520695368.4U CN204991611U (en) | 2015-09-09 | 2015-09-09 | Counting device of circuit breaker |
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Publication Number | Publication Date |
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CN204991611U true CN204991611U (en) | 2016-01-20 |
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Family Applications (1)
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CN201520695368.4U Active CN204991611U (en) | 2015-09-09 | 2015-09-09 | Counting device of circuit breaker |
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- 2015-09-09 CN CN201520695368.4U patent/CN204991611U/en active Active
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Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Circuit breaker counting device Granted publication date: 20160120 License type: Common License Record date: 20201021 |