CN203871202U - Grounding switch transmission operation mechanism - Google Patents
Grounding switch transmission operation mechanism Download PDFInfo
- Publication number
- CN203871202U CN203871202U CN201420205104.1U CN201420205104U CN203871202U CN 203871202 U CN203871202 U CN 203871202U CN 201420205104 U CN201420205104 U CN 201420205104U CN 203871202 U CN203871202 U CN 203871202U
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- Prior art keywords
- connecting lever
- return spring
- spring assembly
- lever
- moving contact
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a grounding switch transmission operation mechanism. The grounding switch transmission operation mechanism comprises a base plate, a side plate, a static contact seat and a moving contact; a moving contact fixing seat is arranged on the moving contact; the grounding switch transmission operation mechanism also comprises a crank arm 1, a crank arm 2, a crank arm 3 and a return spring assembly; a T-type installing frame is arranged on the base plate, and is formed by a longitudinal supporting part and a transverse installing part; one end of the transverse installing part is rotatably connected with a rotating shaft; one end of the crank arm 1 and one end of the crank arm 2 are fixed on the rotating shaft; an included angle between the crank arm 1 and the base plate is consistent with an included angle between the crank arm 2 and the base plate in size; the other end of the crank arm 1 is hinged to one end of the return spring assembly; the other end of the return spring assembly is connected with the side plate; the crank arm 1 is not in the same line with the return spring assembly; one end of the crank arm 3 is hinged to the other end of the transverse installing part; the other end of the crank arm 3 is connected with the moving contact fixing seat; and the other end of the crank arm 2 is connected with an arm body part of the crank arm 3. The grounding switch transmission operation mechanism is simple to operate and low in use cost.
Description
Technical field
The utility model relates to power transmission and distribution voltage switchgear field, is specifically a kind of earthed switch transmission operating mechanism.
Background technology
Earthed switch transmission operating mechanism is a kind ofly for controlling earthed switch, to disconnect and closed operating mechanism.The earthed switch of prior art mainly adopts oil immersed type switch, it drives moving contact by single connecting lever, but cannot realize large displacement by single connecting lever, can only add the fracture distance that transformer oil dwindles earthed switch, need again to apply the disconnection and closure that larger power just can be grounded switch simultaneously, operation inconvenience, use cost is high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the earthed switch transmission operating mechanism that provide easy and simple to handle, use cost is low.
To achieve these goals, the technical solution of the utility model is as follows: a kind of earthed switch transmission operating mechanism, comprise base plate, side plate, static contact seat and moving contact, moving contact is provided with moving contact holder, also comprise connecting lever one, connecting lever two, connecting lever three and return spring assembly, base plate is provided with T-shaped installing rack, T-shaped installing rack is comprised of longitudinal bracing portion and horizontal installation portion, laterally one end of installation portion is rotationally connected a rotating shaft, one end of one end of connecting lever one and connecting lever two is all fixed in rotating shaft, the angle that connecting lever one becomes with base plate is consistent with the corner dimension that connecting lever two becomes with base plate, the other end of connecting lever one and one end of return spring assembly are hinged, the other end of return spring assembly is connected with side plate, connecting lever one and return spring assembly be not on same straight line, one end of connecting lever three is hinged on the other end of horizontal installation portion, the other end of connecting lever three is connected with moving contact holder, the other end of connecting lever two is connected with the arm body of connecting lever three.
On described connecting lever three, offer strip through-hole, connecting lever three is taken turns one by bearing pin and is connected with moving contact holder, and bearing pin is taken turns an activity and is engaged in strip through-hole, and connecting lever two is taken turns two by bearing pin and is connected with connecting lever three, and bearing pin is taken turns two activities and is engaged in strip through-hole.
Described return spring assembly comprises articulated slab, fixing fixture block, movable clip block, newel and fixed lever, one end of articulated slab is provided with bearing pin, the other end of articulated slab is fixedly connected with a fixing end face of fixture block, fixedly the other end of fixture block and one end of newel are fixedly connected with, the other end of newel is provided with for fixed lever through the radial direction through hole being also slidably matched to axial, fixed lever is located in radial direction through hole, movable clip block is slidably socketed on newel, fixedly between fixture block and movable clip block, be provided with stage clip, movable clip block and fixed lever lean, one end of return spring assembly is hinged on connecting lever one by bearing pin, the other end of return spring assembly is connected with side plate by fixed lever.
Adopt after technique scheme, the utility model compared with prior art, have the following advantages: in the utility model earthed switch transmission operating mechanism, connecting lever three can amplify the rotational angle of connecting lever two, realize the large displacement of moving contact, simultaneously, outer action bars only need rotate very little angle, under the cooperatively interacting of connecting lever one and return spring assembly, just can realize the rotation voluntarily of rotating shaft, make operation become more laborsaving, easy, and while using, do not need to add transformer wet goods adminicle, reduced use cost.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model earthed switch transmission operating mechanism earthed switch in off-state.
Accompanying drawing 2 is the utility model earthed switch transmission operating mechanism earthed switch structural representations in closure state.
Accompanying drawing 3 is the utility model earthed switch transmission operating mechanism earthed switch backsight structural representations when off-state.
Accompanying drawing 4 is structural representations (stage clip is in complete release condition) of return spring assembly in the utility model earthed switch transmission operating mechanism.
Accompanying drawing 5 is structural representations (stage clip is in compressive state) of return spring assembly in the utility model earthed switch transmission operating mechanism.
Accompanying drawing 6 is structural representations of bearing pin wheel in the utility model earthed switch transmission operating mechanism.
Shown in accompanying drawing: 1, base plate 2, side plate 3, static contact seat 4, moving contact 5, moving contact holder 6, connecting lever 1, connecting lever 28, connecting lever 39, return spring assembly 91, articulated slab 92, fixedly fixture block 93, movable clip block 94, newel 95, fixed lever 96, radial direction through hole 97, stage clip 98, bearing pin 10, T-shaped installing rack 11, rotating shaft 12, support column 13, strip through-hole 14, bearing pin wheel 1, bearing pin wheel 2 16, U-shaped holder 17, activity space 18, needle bearing 19, fixed axis 20, circular gasket 21, straight plate 22, substrate 23, longitudinal bracing portion 24, horizontal installation portion 25, radial ringed groove.
embodiment
Below by drawings and Examples, the utility model is further elaborated.
As shown in Figure 1, Figure 2 and Figure 3: a kind of earthed switch transmission operating mechanism, comprise base plate 1, side plate 2, static contact seat 3 and moving contact 4, moving contact 4 is provided with moving contact holder 5.Moving contact 4 inserts the closure that is grounded switch in static contact seat 3, and moving contact 4 is extracted the disconnection that is grounded switch from static contact seat 3.Described earthed switch transmission operating mechanism also comprises connecting lever 1, connecting lever 27, connecting lever 38 and return spring assembly 9, base plate 1 is provided with T-shaped installing rack 10, T-shaped installing rack 10 is comprised of longitudinal bracing portion 23 and horizontal installation portion 24, longitudinal bracing portion 23 is vertically fixed on base plate, laterally installation portion 24 is fixed on the upper end of longitudinal bracing portion 23, forms a T font structure.Specifically, by one is long and the other is short, two battens form T-shaped installing rack 10, wherein strip plate is described longitudinal bracing portion 23, strip plate longitudinally stands on base plate 1, billet plate is horizontal installation portion 24, billet plate laterally stands in the top of strip plate, forms a T font structure with strip plate, strip plate and the billet plate structure that is formed in one.One end of described horizontal installation portion 24 is rotationally connected a rotating shaft 11, and specifically, laterally installation portion 24 is rotationally connected a rotating shaft 11 from that one end away from side plate 2, and rotating shaft 11 is parallel with base plate 1.One end of one end of connecting lever 1 and connecting lever 27 is all fixed in rotating shaft 11, on base plate 1, be also provided with the support column 12 for supporting revolving shaft 11, the upper end of support column 12 is between connecting lever 1 and connecting lever 27, rotating shaft 11 is rotatably assorted with support column 12, that is to say that rotating shaft 11 can rotate on support column 12.Connecting lever 1 is consistent with the corner dimension of 1 one-tenth of base plate with connecting lever 27 with the angle of 1 one-tenth of base plate, that is to say that the other end of connecting lever 1 and the other end of connecting lever 27 are towards same direction, when rotating shaft 11 is rotated, will drive connecting lever 1 and connecting lever 27 synchronous rotaries.One end of the other end of connecting lever 1 and return spring assembly 9 is hinged, the other end of return spring assembly 9 is connected with side plate 2, connecting lever 1 and return spring assembly 9 be not on same straight line, that is to say, when earthed switch is during in off-state, connecting lever 1 forms a downward opening angle with return spring assembly 9, as shown in Figure 1; When earthed switch is during in closure state, connecting lever 1 and return spring assembly 9 form an opening up angle, as shown in Figure 2.One end of connecting lever 38 is hinged on the other end of horizontal mounting panel, specifically, one end of connecting lever 38 is hinged on horizontal installation portion 24 on that one end close to side plate, the other end of connecting lever 38 is connected with moving contact holder 5, the other end of connecting lever 27 is connected with the arm body of connecting lever 38, and the arm body of the above connecting lever 38 specifically refers on connecting lever 38 position between two ends.When rotating shaft 11 is rotated, make connecting lever 27 all parallel with base plate 1 with connecting lever 38, note connecting lever 38 is pin joint with the horizontal tie point of installation portion 24, and now rotating shaft 11 equals rotating shaft 11 to the distance of bearing pin wheel 2 15 and to bearing pin, takes turns the distance sum between 2 15 to distance and the pin joint of pin joint.During concrete enforcement, connecting lever 1, connecting lever 27 are positioned at a side of T-shaped installing rack 10, and connecting lever 38 is positioned at the opposite side of T-shaped installing rack 10, and the length of connecting lever 38 is chosen for 1.5 times of left and right of the length of connecting lever 27 and is advisable.
In the present embodiment, also comprise bearing pin wheel 1 and bearing pin wheel 2 15.As shown in Figure 6, bearing pin wheel, for prior art, specifically comprises needle bearing 18 and fixed axis 19.Fixed axis 19 is fixedly connected with the inner ring of needle bearing 18, and needle bearing 18 can freely rotate around fixed axis 19.A circular gasket 20 is respectively established in the both sides of needle bearing 18, and each circular gasket 20 is all fixedly connected with fixed axis 19.Circular gasket 20 does not fit with needle bearing 18, that is to say between circular gasket 20 and needle bearing 18 and leaves certain gap, and when needle bearing 18 rotates on fixed axis 19, circular gasket 20 maintains static.The diameter of circular gasket 20 is greater than the race diameter of needle bearing 18, and two circular gasket 20 cross a radial ringed groove 25 on needle bearing 18.On described connecting lever 38, offer strip through-hole 13, connecting lever 38 is taken turns 1 by bearing pin and is connected with moving contact holder 5, one 14 activities of bearing pin wheel are engaged in strip through-hole 13, specifically the fixed axis of bearing pin wheel 1 is fixedly connected with moving contact holder 5, the needle bearing of bearing pin wheel 1 is embedded in strip through-hole 13 and can be rolled along the length direction of strip through-hole 13 by radial ringed groove, to realize bearing pin wheel 1, coordinates with the activity of strip through-hole 13.When connecting lever 38 drives moving contact holder 5, the needle bearing of bearing pin wheel 1 can roll along the length direction of strip through-hole 13, to realize moving contact holder 5, does upper and lower displacement.Connecting lever 27 is taken turns 2 15 by bearing pin and is connected with connecting lever 38,2 15 activities of bearing pin wheel are engaged in strip through-hole 13, specifically the fixed axis of bearing pin wheel 2 15 is fixedly connected with connecting lever 27, the needle bearing of bearing pin wheel 2 15 is embedded in strip through-hole 13 and can be rolled along the length direction of strip through-hole 13 by radial ringed groove, to realize bearing pin wheel 2 15, coordinates with the activity of strip through-hole 13.When connecting lever 27 drives connecting lever 38, the needle bearing of bearing pin wheel 2 15 also can roll along the length direction of strip through-hole 13, to realize connecting lever 27, drives connecting levers 38 to rotate together.
In the present embodiment, described return spring assembly 9 comprises articulated slab 91, fixedly fixture block 92, movable clip block 93, newel 94 and columned fixed lever 95.One end of articulated slab 91 is provided with bearing pin 98, the other end of articulated slab 91 is fixedly connected with a fixing end face of fixture block 92, fixedly the other end of fixture block 92 is fixedly connected with one end of newel 94, the other end of newel 94 is provided with the radial direction through hole 96 that passes and be slidably matched to axial for fixed lever 95, above-described the axial of newel 94 that axially refer to.Fixed lever 95 is located in radial direction through hole 96, and fixed lever 95 can, along the length direction relative sliding of radial direction through hole 96,, also can relatively rotate in radial direction through hole 96 meanwhile.Movable clip block 93 is slidably socketed on newel 94, fixedly between fixture block 92 and movable clip block 93, be provided with stage clip 97, stage clip 97 is socketed on newel 94, movable clip block 93 leans with fixed lever 95, one end of return spring assembly 9 is hinged on connecting lever 1 by bearing pin 98, the other end of return spring assembly 9 is connected with side plate 2 by fixed lever 95, and bearing pin 98 is parallel to each other with fixed lever 95.On side plate 2, be also provided with by two straight plates 21 and a U-shaped holder 16 that substrate 22 forms, two straight plates 21 are connected to form a U font structure by substrate 22, the substrate 22 of U-shaped holder 16 is fixed on side plate 2, fixed lever 95 is fixed on two straight plates 21 of U-shaped holder 16, between the substrate 22 of the end of newel 94 and U-shaped holder 16, leave the activity space 17 that the end for newel 94 moves forward and backward, the end of newel 94 refers to that newel 94 is near one end of U-shaped holder 16.When one end of return spring assembly 9 is subject to the thrust from connecting lever 1, because of the radial direction through hole 96 on newel 94 can with fixed lever 95 relative slidings, so fixedly fixture block 92 and newel 94 can be towards U-shaped holder 16 direction motions, again because of movable clip block 93 is resisted against on fixed lever 95 and can with newel 94 relative slidings, so be clipped in movable clip block 93 and fixedly the stage clip between fixture block 92 97 can be compressed, it is elongated that newel 94 stretches out the part of movable clip block 93, as Fig. 5 is the structural representation of stage clip 97 return spring assembly 9 when the compressive state.Rotation along with connecting lever 1, newel 94 also rotates on fixed lever 95 by radial direction through hole 96, when the external force from connecting lever 1 disappears, under the effect of stage clip 97, fixedly fixture block 92 and newel 94 just can be towards bearing pin 98 direction motions, finally make stage clip 97 in complete release condition, as Fig. 4 is the structural representation of stage clip 97 return spring assembly 9 when the complete release condition.The above is the compressed overall process with resetting of stage clip 97, is also the compressed overall process with resetting of return spring assembly 9.
In the utility model earthed switch transmission operating mechanism, connecting lever 38 can amplify the rotational angle of connecting lever 27, realizes the large displacement of moving contact 4.When earthed switch is during in off-state, connecting lever 1 forms a downward opening angle with return spring assembly 9, as shown in Figure 1.When earthed switch needs closure, by outer action bars rotating shaft 11, drive connecting lever 1 and connecting lever 27 to rotate down, connecting lever 27 just can drive connecting lever 38 to rotate together, then drives moving contact holder 5 that moving contact 4 is inserted in static contact seat 3 by connecting lever 38.When connecting lever 1 rotates, can promote return spring assembly 9 compressions, when being positioned at same straight line, connecting lever 1 and return spring assembly 9 down rotate again some angles, now unclamp outer action bars, connecting lever 1 just can rotate voluntarily under the reset response of return spring assembly 9, thereby drives rotating shaft 11 to rotate, and that is to say that outer action bars only need rotate very little angle, just can realize the rotation voluntarily of rotating shaft 11, make operation become more laborsaving, easy.As the structural representation that Fig. 2 is earthed switch when the closure state, now connecting lever 1 forms an opening up angle with return spring assembly 9.When earthed switch need to disconnect, by outer action bars rotating shaft 11, drive connecting lever 1 and connecting lever 27 to rotate upward, connecting lever 27 just can drive connecting lever 38 upwards to rotate together, then drives moving contact holder 5 that moving contact 4 is extracted from static contact seat 3 by connecting lever 38.When connecting lever 1 upwards rotates, also can promote return spring assembly 9 compressions, when being positioned at same straight line, connecting lever 1 and return spring assembly 9 up rotate again some angles, now unclamp outer action bars, connecting lever 1 just can upwards rotate voluntarily under the reset response of return spring assembly 9, thereby drives rotating shaft 11 to rotate.The utility model earthed switch transmission operating mechanism does not need to add transformer wet goods adminicle while using, and has reduced use cost.
The above is enlightenment according to embodiment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification, must determine according to claim scope the scope of its protection.
Claims (3)
1. an earthed switch transmission operating mechanism, comprise base plate, side plate, static contact seat and moving contact, moving contact is provided with moving contact holder, it is characterized in that: also comprise connecting lever one, connecting lever two, connecting lever three and return spring assembly, base plate is provided with T-shaped installing rack, T-shaped installing rack is comprised of longitudinal bracing portion and horizontal installation portion, laterally one end of installation portion is rotationally connected a rotating shaft, one end of one end of connecting lever one and connecting lever two is all fixed in rotating shaft, the angle that connecting lever one becomes with base plate is consistent with the corner dimension that connecting lever two becomes with base plate, the other end of connecting lever one and one end of return spring assembly are hinged, the other end of return spring assembly is connected with side plate, connecting lever one and return spring assembly be not on same straight line, one end of connecting lever three is hinged on the other end of horizontal installation portion, the other end of connecting lever three is connected with moving contact holder, the other end of connecting lever two is connected with the arm body of connecting lever three.
2. earthed switch transmission operating mechanism according to claim 1, it is characterized in that: on described connecting lever three, offer strip through-hole, connecting lever three is taken turns one by bearing pin and is connected with moving contact holder, bearing pin is taken turns an activity and is engaged in strip through-hole, connecting lever two is taken turns two by bearing pin and is connected with connecting lever three, and bearing pin is taken turns two activities and is engaged in strip through-hole.
3. earthed switch transmission operating mechanism according to claim 1, it is characterized in that: described return spring assembly comprises articulated slab, fixing fixture block, movable clip block, newel and fixed lever, one end of articulated slab is provided with bearing pin, the other end of articulated slab is fixedly connected with a fixing end face of fixture block, fixedly the other end of fixture block and one end of newel are fixedly connected with, the other end of newel is provided with for fixed lever through the radial direction through hole being also slidably matched to axial, fixed lever is located in radial direction through hole, movable clip block is slidably socketed on newel, fixedly between fixture block and movable clip block, be provided with stage clip, movable clip block and fixed lever lean, one end of return spring assembly is hinged on connecting lever one by bearing pin, the other end of return spring assembly is connected with side plate by fixed lever.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420205104.1U CN203871202U (en) | 2014-04-25 | 2014-04-25 | Grounding switch transmission operation mechanism |
Applications Claiming Priority (1)
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CN201420205104.1U CN203871202U (en) | 2014-04-25 | 2014-04-25 | Grounding switch transmission operation mechanism |
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CN203871202U true CN203871202U (en) | 2014-10-08 |
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CN201420205104.1U Expired - Lifetime CN203871202U (en) | 2014-04-25 | 2014-04-25 | Grounding switch transmission operation mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107790911A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of welder of breaker main shaft connecting lever |
-
2014
- 2014-04-25 CN CN201420205104.1U patent/CN203871202U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107790911A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of welder of breaker main shaft connecting lever |
CN107790911B (en) * | 2017-11-13 | 2023-08-15 | 河南森源电气股份有限公司 | Welding device for main shaft crank arm of circuit breaker |
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Granted publication date: 20141008 |
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CX01 | Expiry of patent term |