CN203312203U - Spring operating mechanism having cam free from brake opening spring pressure - Google Patents
Spring operating mechanism having cam free from brake opening spring pressure Download PDFInfo
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- CN203312203U CN203312203U CN2013203205042U CN201320320504U CN203312203U CN 203312203 U CN203312203 U CN 203312203U CN 2013203205042 U CN2013203205042 U CN 2013203205042U CN 201320320504 U CN201320320504 U CN 201320320504U CN 203312203 U CN203312203 U CN 203312203U
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- cam
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- operating mechanism
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Abstract
The utility model relates to a spring operating mechanism having a cam free from brake opening spring pressure. The spring operating mechanism having a cam free from brake opening spring pressure is designed to solve the problem that a conventional mechanism of the same kind is not good enough in operation reliability. The mechanism comprises a machine rack, a cam and a five connecting rod assembly, wherein the five connecting rod assembly is formed through orderly hinged connection of an output crank arm, a connecting rod A, a connecting rod B and a brake closing maintenance sector plate. The key design points are that the connecting rod A and the connecting rod B are hinged to each other through a pin shaft, the machine rack is provided with a curved groove which matches with a pin shaft movement track, and the pin shaft movement track is a movement track which is formed when the pin shaft moves along with the five connecting rod assembly as the spring operating mechanism changes from a brake closing state to a brake opening state; when the pin shaft is positioned at any of the two ends of the curved groove, a space between the hinged connection ends of the connecting rod A and the connecting rod B and the cam is in a extrusion-free state in a process that a brake closing energy storage spring changes from a non-energy-storage state to a fulfilled-energy-storage state. The spring operating mechanism having a cam free from brake opening spring pressure is characterized by simple structure, stable operating mechanism performance, and suitability for being used as a breaker operating mechanism having a brake-reclosing function or being used for structural improvement of products of the same kind.
Description
Technical field
The utility model relates to breaker operation mechanism, is without the spring operating mechanism of sluice separating spring pressure on a kind of cam.
Background technology
Spring operating mechanism is part indispensable in high-voltage switch electric appliance; and five-bar mechanism is the pith of realizing the trip free function in spring operating mechanism; liberty is threaded off; it is any moment of circuit breaker in making process; if trip(ping) circuit is connected in the protection action, circuit breaker can disconnect reliably.In prior art, as Figure of description 5～8, be depicted as the spring operating mechanism that the prior art model is CT18, in spring operating mechanism, one of them obligatory point of five connecting rods is that cam by operating mechanism retrains, and such problem produced is: no matter when, between cam and five connecting rods, contact all the time, after this just made breaker closing, the pressure of sluice separating spring can act on cam.When operating mechanism carries out secondary energy storage, because of the pressure-acting of sluice separating spring in cam, and the active force of sluice separating spring and the active force of energy accumulation spring are on the contrary again, this just makes when designing and producing cam and camshaft, require very high, otherwise easily cause secondary energy storage not in place, can't normally realize the reclosing function.Just because of above-mentioned reason, the operating mechanism of existing a lot of High-Voltage Electrical Appliances selects the mechanism without the trip free function to replace, but like this and be unfavorable for the development and progress of industry can't reaching better actuating requirement, and range of application is limitation comparatively also.For this reason, existing operating mechanism haves much room for improvement.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of this utility model is to this area, to provide on a kind of cam without the spring operating mechanism of sluice separating spring pressure, makes it solve the technical problem of existing similar mechanism actuating less reliable.Its objective is and be achieved through the following technical solutions.
On a kind of cam without the spring operating mechanism of sluice separating spring pressure, this spring operating mechanism comprises frame, energy storage axle, cam, five link assemblies, combined floodgate connecting lever, combined floodgate energy-stored spring, separating brake connecting lever, separating brake energy-stored spring, five link assemblies by output toggle arm, connecting rod A, connecting rod B, closing a floodgate keeps that fanning strip is hinged successively to be formed, the energy storage axle connects cam, combined floodgate connecting lever, the combined floodgate connecting lever connects the combined floodgate energy-stored spring, output toggle arm connects the separating brake connecting lever, the separating brake connecting lever connects the separating brake energy-stored spring, the hinged end interlock between cam and above-mentioned connecting rod A, connecting rod B.Its structural feature is between described connecting rod A, connecting rod B hinged by bearing pin, described frame is provided with the curved groove that adapts to described bearing pin movement locus, the bearing pin movement locus refers to that described spring operating mechanism is when closing a floodgate to separating brake, and bearing pin is with the described five link assemblies formed movement locus that links; Position between described curved groove and described cam is: when bearing pin is positioned at any end in curved groove two ends, the combined floodgate energy-stored spring, is in without squeezed state between the hinged end between described connecting rod A, connecting rod B and described cam by energy storage not to thermal energy storage process.By above-mentioned curved groove, to the restriction that puts in place of the hinged end between connecting rod A, connecting rod B, thereby efficiently solve because of the active force of separating brake energy-stored spring to five link assemblies, and the hinged end between connecting rod A, connecting rod B is contacted all the time with cam, energy-stored spring energy storage problem not in place causes closing a floodgate.
Described frame is provided with the locating part that is respectively used to described output toggle arm, combined floodgate maintenance fanning strip rotary spacing.
Actuating method without the spring operating mechanism of sluice separating spring pressure on this cam is: when described spring operating mechanism is in separating brake or "on" position, the combined floodgate energy-stored spring by energy storage not to thermal energy storage process, described energy storage axle band moving cam, combined floodgate connecting lever rotate, the combined floodgate connecting lever drives the energy storage of combined floodgate energy-stored spring, described five link assemblies are in motionless state, described bearing pin is limited in described curved groove one end, between hinged end between described connecting rod A, connecting rod B and the cam of rotation, be in without squeezed state, the combined floodgate energy-stored spring is realized reliable energy storage.
The utility model structure is comparatively simple, and the operating mechanism stable performance is suitable as the breaker operation mechanism with reclosing function and uses, or the like product architecture advances.
The accompanying drawing explanation
Fig. 1 is that the utility model is in not energy storage state structural representation of separating brake.
Fig. 2 is that the utility model is in separating brake energy storage state structural representation.
Fig. 3 is that the utility model is in the not energy storage state structural representation that closes a floodgate.
Fig. 4 is that the utility model is in the energy storage state structural representation that closes a floodgate.
Fig. 5 is that known model is the separating brake energy storing structure schematic diagram not of CT19 spring operating mechanism.
Fig. 6 is that known model is the separating brake energy storing structure schematic diagram of CT19 spring operating mechanism.
Fig. 7 is that known model is the combined floodgate energy storing structure schematic diagram not of CT19 spring operating mechanism.
Fig. 8 is that known model is the combined floodgate energy storing structure schematic diagram of CT19 spring operating mechanism.
In figure, the name of sequence number is called: 1, frame, 2, output toggle arm, 3, connecting rod A, 4, connecting rod B, 5, closing a floodgate keeps fanning strip, 6, the separating brake semiaxis, 7, locating part A, 8, locating part B, 9, locating part C, 10, curved groove, 11, bearing pin, 12, cam.
Embodiment
Now by reference to the accompanying drawings, the utility model is further described.
The utility model accompanying drawing has only been drawn with respect to the improved part of prior art, the structure of not drawing connects can be with reference to five rod spring operating mechanisms known in the art, for example model is the CT19 spring operating mechanism, Fig. 5～8th, the part-structure schematic diagram of CT19 spring operating mechanism.
As shown in Fig. 1～4, the utility model spring operating mechanism comprises frame 1, energy storage axle, cam 12, five link assemblies, locating part, separating brake semiaxis 6, five link assemblies by output toggle arm 2, connecting rod A3, connecting rod B4, closing a floodgate keeps that fanning strip 5 is hinged successively to be formed, locating part comprises for the spacing locating part B8 of output toggle arm and locating part C9, and keeps the spacing locating part A7 of fanning strip be used to closing a floodgate.In spring operating mechanism, output toggle arm is to link with the separating brake connecting lever, the separating brake connecting lever connects the separating brake energy-stored spring, close a floodgate to keep fanning strip be with frame on the interlock of separating brake semiaxis, cam is by energy storage axle and the interlock of combined floodgate connecting lever, the combined floodgate connecting lever connects the combined floodgate energy-stored spring, and the interlock of the hinged end between cam and above-mentioned connecting rod A, connecting rod B.Between the utility model connecting rod A, connecting rod B, be to be undertaken hinged by bearing pin 11, and frame is provided with the curved groove 10 that adapts to the bearing pin movement locus, the bearing pin movement locus refers to when spring operating mechanism changes gate-dividing state into by "on" position, and bearing pin is with the formed movement locus of five link assemblies interlocks.While stating structure in design, need to the relative position between curved groove and cam be arranged, be set to: when bearing pin is positioned at any end in curved groove two ends, the combined floodgate energy-stored spring, is not contacted without extruding between the hinged end between connecting rod A, connecting rod B and cam by energy storage not to thermal energy storage process.
The concrete actuating method of the utility model operating mechanism is similar to existing known spring operating mechanism, therefore be not described in detail, only describes the interaction relation between five link assemblies and cam.As shown in Figure 1 and Figure 2, when spring operating mechanism is in gate-dividing state, the combined floodgate energy-stored spring by energy storage not to thermal energy storage process, bearing pin between connecting rod A, connecting rod B is under the elastic force effect of separating brake energy-stored spring, be limited in curved groove one end, now in five link assemblies, close a floodgate and keep fanning strip, limited A of output toggle arm difference, the spacing maintenance of locating part C.Cam turns over an angle along with the energy storage of combined floodgate energy-stored spring, until in the process put in place, cam does not contact without extruding all the time with the hinged end between connecting rod A, connecting rod B in this rotation, thereby realizes the reliable combined floodgate of combined floodgate energy-stored spring.When spring operating mechanism changes "on" position into by gate-dividing state, namely by the spring operating mechanism to Fig. 2 state, carry out closing operation, the bearing pin that cam rotates between drivening rod A, connecting rod B slides along curved groove, when the curved groove other end, spring operating mechanism is closed a floodgate and is put in place when pin slide.As shown in Figure 3, Figure 4, when spring operating mechanism is in "on" position, the combined floodgate energy-stored spring by energy storage not to thermal energy storage process, bearing pin between connecting rod A, connecting rod B is under the elastic force effect of separating brake energy-stored spring, be limited in the curved groove other end, now in five link assemblies, close a floodgate and keep fanning strip, output toggle arm respectively by separating brake semiaxis, the spacing maintenance of locating part B.Same, cam turns over an angle along with the energy storage again of combined floodgate energy-stored spring, in this rotation until in the process put in place, cam does not contact without pushing all the time with the hinged end between connecting rod A, connecting rod B, thereby realizes that combined floodgate energy-stored spring secondary reliably closes a floodgate.
Above structure and linkage process, be intended to illustrate technological means of the present utility model, and unrestricted technical scope of the present utility model.Those skilled in the art do apparent improvement in conjunction with existing common practise to the utility model, within all belonging to the utility model institute protection range.
Claims (2)
- On a cam without the spring operating mechanism of sluice separating spring pressure, this spring operating mechanism comprises frame (1), the energy storage axle, cam (12), five link assemblies, the combined floodgate connecting lever, the combined floodgate energy-stored spring, the separating brake connecting lever, the separating brake energy-stored spring, five link assemblies are by output toggle arm (2), connecting rod A(3), connecting rod B(4), close a floodgate and keep fanning strip (5) hinged formation successively, the energy storage axle connects cam, the combined floodgate connecting lever, the combined floodgate connecting lever connects the combined floodgate energy-stored spring, output toggle arm connects the separating brake connecting lever, the separating brake connecting lever connects the separating brake energy-stored spring, cam and above-mentioned connecting rod A, hinged end interlock between connecting rod B, it is characterized in that described connecting rod A(3), connecting rod B(4) between by bearing pin (11) hinged, described frame (1) is provided with the curved groove (10) that adapts to described bearing pin movement locus, the bearing pin movement locus refers to that described spring operating mechanism is when closing a floodgate to separating brake, and bearing pin is with the described five link assemblies formed movement locus that links, position between described curved groove and described cam (12) is: when pin slide to any end in curved groove two ends, the combined floodgate energy-stored spring, is in without squeezed state between the hinged end between described connecting rod A, connecting rod B and described cam by energy storage not to thermal energy storage process.
- On cam according to claim 1 without the spring operating mechanism of sluice separating spring pressure, it is characterized in that described frame (1) is provided with the locating part that is respectively used to described output toggle arm (2), close a floodgate keeps fanning strip (5) rotary spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203205042U CN203312203U (en) | 2013-06-04 | 2013-06-04 | Spring operating mechanism having cam free from brake opening spring pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203205042U CN203312203U (en) | 2013-06-04 | 2013-06-04 | Spring operating mechanism having cam free from brake opening spring pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312203U true CN203312203U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203205042U Expired - Fee Related CN203312203U (en) | 2013-06-04 | 2013-06-04 | Spring operating mechanism having cam free from brake opening spring pressure |
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| CN (1) | CN203312203U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337420A (en) * | 2013-06-04 | 2013-10-02 | 胡光福 | Spring operating mechanism with switching-off spring pressure-free cam and operating method of spring operating mechanism |
| CN104252977A (en) * | 2014-08-29 | 2014-12-31 | 天津平高智能电气有限公司 | Spring operation mechanism and separating brake tripping device thereof |
| CN112176895A (en) * | 2020-10-19 | 2021-01-05 | 张静 | Road traffic marking projection arrangement |
-
2013
- 2013-06-04 CN CN2013203205042U patent/CN203312203U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337420A (en) * | 2013-06-04 | 2013-10-02 | 胡光福 | Spring operating mechanism with switching-off spring pressure-free cam and operating method of spring operating mechanism |
| CN104252977A (en) * | 2014-08-29 | 2014-12-31 | 天津平高智能电气有限公司 | Spring operation mechanism and separating brake tripping device thereof |
| CN112176895A (en) * | 2020-10-19 | 2021-01-05 | 张静 | Road traffic marking projection arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20180604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |