CN210984587U - Tripping device and load switch-fuse combined electrical apparatus - Google Patents
Tripping device and load switch-fuse combined electrical apparatus Download PDFInfo
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- CN210984587U CN210984587U CN201921314591.4U CN201921314591U CN210984587U CN 210984587 U CN210984587 U CN 210984587U CN 201921314591 U CN201921314591 U CN 201921314591U CN 210984587 U CN210984587 U CN 210984587U
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Abstract
The utility model is suitable for a looped netowrk cabinet switchgear technical field discloses a trip gear, be used for driving the tripping operation of load switch, which comprises a fixing plate and i, the mount, first slewing mechanism, second slewing mechanism, the piece is hit on the top, first connecting rod and second connecting rod, first slewing mechanism rotates with the fixed plate to be connected, second slewing mechanism rotates with the mount to be connected, the one end and the first slewing mechanism of first connecting rod are connected, the other end is connected with second slewing mechanism, the one end and the second slewing mechanism of second connecting rod are connected, the other end is used for being connected with load switch, the piece is hit on the top and first slewing mechanism is connected and rotates in order to drive first slewing mechanism, first slewing mechanism rotates so that the tripping operation of second connecting rod drive load switch through first connecting rod drive second slewing mechanism. The utility model provides a tripping device reasonable in design, simple structure, simple to operate, the linkage action transmission is accurate moreover, and the reliability is high.
Description
Technical Field
The utility model relates to a looped netowrk cabinet switchgear's technical field especially relates to a trip gear and a load switch-fuse combined electrical apparatus.
Background
In the selection of the protection and control switch of the 10kV distribution transformer, the load switch-fuse combined electrical appliance switch cabinet has the advantages of simple structure, low manufacturing cost, reliable operation, convenient operation and maintenance and the like, so that the load switch-fuse combined electrical appliance switch cabinet is widely applied, and has the function of effectively disconnecting the circuit when the line load has a fault short circuit or overcurrent, and the function is realized by a tripping mechanism device. As long as the fuse is fused, the action of the firing pin with great kinetic energy is started immediately to drive the linkage mechanism, and the action is transmitted to the tripping linkage rod of the load switch operating mechanism through the linkage mechanism device, so that the load switch is rapidly tripped or released. The existing tripping mechanism device is unreasonable in design, a plastic sleeve is mostly used for pulling a wire, and plastic materials are easy to deform, so that the action transmission of the linkage device is inaccurate, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a tripping device, it aims at solving the technical problem that the transmission of linkage action is inaccurate, the reliability is low.
In order to achieve the above purpose, the utility model provides a scheme is: the utility model provides a trip gear for drive load switch tripping operation, includes that fixed plate, mount, first slewing mechanism, second slewing mechanism, top hit piece, first connecting rod and second connecting rod, first slewing mechanism with the fixed plate rotates to be connected, second slewing mechanism with the mount rotates to be connected, the one end of first connecting rod with first slewing mechanism is connected, the other end with second slewing mechanism connects, the one end of second connecting rod with second slewing mechanism is connected, the other end be used for with load switch connects, the top hit the piece with first slewing mechanism is connected with the drive first slewing mechanism rotates, first slewing mechanism passes through first connecting rod drive second slewing mechanism rotates so that the second connecting rod drive the load switch tripping operation.
Furthermore, the tripping device further comprises a mounting seat mounted on the fixing plate, the first rotating mechanism comprises a first rotating shaft and a first crank arm, the first rotating shaft is rotatably connected with the mounting seat, one end of the first crank arm is fixedly connected with the first rotating shaft, and the other end of the first crank arm extends to the jacking part and is rotatably connected with one end of the jacking part.
Further, the tripping device further comprises an elastic resetting piece for controlling the first rotating mechanism to reset, the elastic resetting piece comprises a pin shaft fixed on the first rotating shaft and a torsion spring sleeved on the first rotating shaft, one end of the torsion spring is fixed on the mounting seat, and the other end of the torsion spring is fixed on the pin shaft.
Further, the number of the elastic resetting pieces is two.
Further, the ejecting and impacting piece comprises an ejecting head, a rotating shaft rotatably connected with the first crank arm and an ejector rod fixedly connected with the rotating shaft and the ejecting head.
Further, the number of the top collision pieces is consistent with that of the first crank arms.
Furthermore, the second rotating mechanism comprises a second rotating shaft rotatably mounted on the fixed frame and a second crank arm used for connecting the second rotating shaft with the second connecting rod, one end of the second crank arm is fixedly mounted on the second rotating shaft, and the other end of the second crank arm is rotatably connected to one end, far away from the load switch, of the second connecting rod.
Further, the tripping device further comprises a third crank arm and a fourth crank arm, wherein the third crank arm and the fourth crank arm are in transmission connection between the first rotating shaft and the first connecting rod, the third crank arm is in transmission connection with the fourth crank arm between the first connecting rod and the second rotating shaft, one end of the third crank arm is fixedly connected to the first rotating shaft, the other end of the third crank arm is rotatably connected to one end of the first connecting rod, one end of the fourth crank arm is fixedly connected to the second rotating shaft, and the other end of the fourth crank arm is rotatably connected to the other end of the first connecting rod.
Furthermore, a through hole is formed in the fixing frame, and the fourth crank arm penetrates through the through hole to be in transmission connection with the first connecting rod and the second rotating shaft.
A second object of the present invention is to provide a load switch-fuse combined electrical apparatus, including fuse, load switch and as above-mentioned trip gear, the fuse includes the firing pin, the top hit the piece with the firing pin sets up relatively, the second connecting rod is kept away from second slewing mechanism's one end with load switch connects.
The utility model provides a tripping device through setting up first slewing mechanism, drives first connecting rod drive second slewing mechanism and rotates to drive the tripping operation of second connecting rod drive load switch, the utility model provides a tripping device reasonable in design, simple structure, simple to operate links the action transmission moreover and accurate, and the reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an angle of a trip device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another angle of the trip device according to the embodiment of the present invention;
fig. 3 is a schematic diagram of a cooperating structure of a trip device, a load switch and a fuse according to an embodiment of the present invention.
The reference numbers illustrate: 100. a trip device; 1. a fixing plate; 2. a fixed mount; 21. a through hole; 3. a first rotating mechanism; 31. a first rotating shaft; 32. a first crank arm; 4. a second rotating mechanism; 41. a second rotating shaft; 42. a second crank arm; 5. jacking and impacting the piece; 51. ejecting the head; 52. a rotating shaft; 53. a top rod; 61. a first link; 62. a second link; 7. a mounting seat; 8. an elastic reset member; 81. a pin shaft; 82. a torsion spring; 91. a third crank arm; 92. a fourth crank arm; 200. a fuse; 300. and (4) a load switch.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, a trip device 100 according to an embodiment of the present invention is used for driving a load switch to trip, and includes a fixed plate 1, a fixed frame 2, a first rotating mechanism 3, a second rotating mechanism 4, a top collision member 5, a first connecting rod 61 and a second connecting rod 62, where the first rotating mechanism 3 is rotatably connected to the fixed plate 1, the second rotating mechanism 4 is rotatably connected to the fixed frame 2, one end of the first connecting rod 61 is connected to the first rotating mechanism 3, and the other end is connected to the second rotating mechanism 4, one end of the second connecting rod 62 is connected to the second rotating mechanism 4, and the other end is connected to the load switch, the top collision member 5 is connected to the first rotating mechanism 3 to drive the first rotating mechanism 3 to rotate, and the first rotating mechanism 3 drives the second rotating mechanism 4 to rotate through the first connecting rod 61 to drive the second connecting rod 62 to drive the load switch to trip. Through setting up first slewing mechanism 3, drive first connecting rod 61 drive second slewing mechanism 4 and rotate to drive the tripping operation of second connecting rod 62 drive load switch, the embodiment of the utility model provides a tripping device 100 reasonable in design, simple structure, simple to operate, the linkage action transmission is accurate moreover, and the reliability is high.
Preferably, the trip device 100 further includes a mounting base 7 mounted on the fixing plate 1, the first rotating mechanism 3 includes a first rotating shaft 31 rotatably connected to the mounting base 7 and a first crank arm 32 having one end fixedly connected to the first rotating shaft 31, and the other end of the first crank arm 32 extends to the abutting member 5 and is rotatably connected to one end of the abutting member 5. The number of the knock-offs 5 corresponds to the number of the first crank arms 32. In the present embodiment, two mounting seats 7 are provided, respectively located at two ends of the first rotating shaft 31, so that the balance and stability of the first rotating shaft 31 can be ensured, and the first rotating shaft 31 can be prevented from tilting. It can be understood that the number of the mounting seats 7 can be set according to actual requirements as long as the stability and balance of the first rotating shaft 31 are ensured. In addition, the number of the first crank arms 32 and the number of the butting pieces 5 are three, all the first crank arms 32 are arranged on the first rotating shaft 31, and each first crank arm 32 is rotatably connected with one butting piece 5. It can be understood that the number of the first crank arms 32 and the top collision member 5 can be set according to actual requirements, as long as the requirement that the first rotating shaft 31 can rotate under the transmission action of the top collision member 5 and the first crank arms 32 is met. In the present embodiment, two first crank arms 32 are located at two ends of the first rotating shaft 31, one first crank arm 32 is located in the middle of the first rotating shaft 31, and two mounting seats 7 are respectively located between two adjacent first crank arms 32.
With continued reference to fig. 2, the striker 5 includes a head 51, a rotating shaft 52 rotatably connected to the first crank arm 32, and a post 53 fixedly connecting the rotating shaft 52 and the head 51. In this embodiment, a mounting hole (not shown in the figure) is formed in the fixing plate 1 corresponding to one end of each first crank arm 32 away from the first rotating shaft 31, the push rod 53 is disposed through the mounting hole, the push head 51 and the rotating shaft 52 are respectively located on two opposite sides of the fixing plate 1, the rotating shaft 52 is rotatably fixed at one end of the first crank arm 32 away from the first rotating shaft 31, the push head 51 collides with a striker (not shown in the figure) of the fuse, when the striker inside the fuse is ejected, the push head 51 is struck by a large external force, and then the first rotating shaft 31 is driven to rotate, so as to drive the load switch to trip.
Preferably, the trip device 100 further includes an elastic reset element 8 for controlling the first rotating mechanism 3 to reset, the elastic reset element 8 includes a pin 81 fixed on the first rotating shaft 31 and a torsion spring 82 sleeved on the first rotating shaft 31, one end of the torsion spring 82 is fixed on the mounting base 7, and the other end of the torsion spring 82 is fixed on the pin 81. The number of the elastic reset pieces 8 is two. By providing the elastic reset member 8, the first rotating shaft 31 can be reset after the load switch is tripped, and the first link 61, the second rotating shaft 41 and the second link 62 can be further reset. In this embodiment, there are two elastic reset pieces 8, and one elastic reset piece 8 is correspondingly disposed on one side of each mounting seat 7, it can be understood that the number of the elastic reset pieces 8 is not limited as long as it is satisfied that the first rotating shaft 31 can be reset.
Preferably, the second rotating mechanism 4 includes a second rotating shaft 41 rotatably mounted on the fixed frame 2 and a second crank arm 42 for connecting the second rotating shaft 41 and the second connecting rod 62, one end of the second crank arm 42 is fixedly mounted on the second rotating shaft 41, and the other end of the second crank arm 42 is rotatably connected to one end of the second connecting rod 62 far from the load switch. By arranging the second crank arm 42, when the second rotating shaft 41 rotates, the second connecting rod 62 can be driven to move, and then the load switch is driven to trip.
Preferably, the trip device 100 further includes a third crank arm 91 connected between the first rotating shaft 31 and the first link 61 in a transmission manner and a fourth crank arm 92 connected between the first link 61 and the second rotating shaft 41 in a transmission manner, one end of the third crank arm 91 is fixedly connected to the first rotating shaft 31, the other end of the third crank arm 91 is rotatably connected to one end of the first link 61, one end of the fourth crank arm 92 is fixedly connected to the second rotating shaft 41, and the other end of the fourth crank arm 92 is rotatably connected to the other end of the first link 61. The third crank arm 91 is provided to drive the first link 61 to move when the first shaft 31 is rotated, and the fourth crank arm 92 is provided to drive the second shaft 41 to rotate when the first link 61 is moved.
Preferably, the fixing frame 2 is provided with a through hole 21, and the fourth crank arm 92 penetrates through the through hole 21 to be in transmission connection with the first connecting rod 61 and the second rotating shaft 41.
Referring to fig. 3, an embodiment of the present invention provides a load switch-fuse combined electrical apparatus, including a fuse 200, a load switch 300, and the trip device 100, where the fuse 200 includes a striker, the top-striking member 5 is disposed opposite to the striker, and one end of the second connecting rod 62 away from the second rotating mechanism 4 is connected to the load switch 300. The embodiment of the utility model provides a load switch-fuse combined electrical apparatus's trip gear 100 reasonable in design, simple structure, simple to operate, linkage action transmission is accurate moreover, and the reliability is high.
The embodiment of the utility model provides a 100 theory of operation of load switch-fuse combined electrical apparatus do: when the fuse 200 is fused, the striker in the fuse 200 is ejected, and hits the plug 51 by a very large external force, the plug 51 moves toward the direction close to the fixing plate 1, so as to drive the first rotating shaft 31 to rotate counterclockwise (please refer to fig. 1, taking the end of the first rotating shaft 31 far from the third crank arm 91 as a viewing angle), the third crank arm 91 rotates counterclockwise along with the first rotating shaft 31, so as to drive the first connecting rod 61 to move toward the direction far from the fixing plate 1, and further the first connecting rod 61 drives the second rotating shaft 41 to rotate clockwise (please continue to refer to fig. 1, taking the end of the second rotating shaft 41 far from the second connecting rod 62 as a viewing angle), the fourth crank arm 92 rotates clockwise along with the second rotating shaft 41, so as to drive the second connecting rod 62 to move toward the direction close to the fixing plate 1, and further drive the.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. Tripping device for drive load switch tripping operation, its characterized in that hits a piece, first connecting rod and second connecting rod including fixed plate, mount, first slewing mechanism, second slewing mechanism, top, first slewing mechanism with the fixed plate rotates to be connected, second slewing mechanism with the mount rotates to be connected, the one end of first connecting rod with first slewing mechanism is connected, the other end with second slewing mechanism is connected, the one end of second connecting rod with second slewing mechanism is connected, the other end be used for with load switch connects, the top hit a piece with first slewing mechanism is connected in order to drive first slewing mechanism rotates, first slewing mechanism passes through first connecting rod drive second slewing mechanism rotates so that the second connecting rod drive load switch tripping operation.
2. The trip unit of claim 1, further comprising a mounting base mounted on the fixed plate, wherein the first rotating mechanism comprises a first rotating shaft rotatably connected to the mounting base and a first crank arm having one end fixedly connected to the first rotating shaft, and the other end of the first crank arm extends to the top striker and is rotatably connected to one end of the top striker.
3. The trip unit according to claim 2, further comprising an elastic reset member for controlling the first rotating mechanism to reset, wherein the elastic reset member comprises a pin fixed on the first rotating shaft and a torsion spring sleeved on the first rotating shaft, one end of the torsion spring is fixed on the mounting base, and the other end of the torsion spring is fixed on the pin.
4. The trip unit of claim 3, wherein the number of the resilient return members is two.
5. The trip unit of claim 2, wherein the striker includes a head, a rotating shaft rotatably coupled to the first crank arm, and a push rod fixedly coupling the rotating shaft to the head.
6. The trip unit of claim 5, wherein the number of said kickers corresponds to the number of said first crank arms.
7. The trip unit according to claim 2, wherein the second rotating mechanism comprises a second rotating shaft rotatably mounted on the fixed frame and a second crank arm for connecting the second rotating shaft and the second connecting rod, one end of the second crank arm is fixedly mounted on the second rotating shaft, and the other end of the second crank arm is rotatably connected to one end of the second connecting rod far away from the load switch.
8. The trip unit of claim 7, further comprising a third crank arm drivingly connected between the first shaft and the first link and a fourth crank arm drivingly connected between the first link and the second shaft, wherein one end of the third crank arm is fixedly connected to the first shaft, the other end of the third crank arm is rotatably connected to one end of the first link, one end of the fourth crank arm is fixedly connected to the second shaft, and the other end of the fourth crank arm is rotatably connected to the other end of the first link.
9. The trip unit of claim 8, wherein the fixed frame is provided with a through hole, and the fourth crank arm passes through the through hole to be in transmission connection with the first connecting rod and the second rotating shaft.
10. A load switch-fuse combination comprising a fuse, a load switch, and the trip device according to any one of claims 1 to 9, wherein the fuse includes a striker, the striker is disposed opposite to the striker, and an end of the second link remote from the second rotating mechanism is connected to the load switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314591.4U CN210984587U (en) | 2019-08-12 | 2019-08-12 | Tripping device and load switch-fuse combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314591.4U CN210984587U (en) | 2019-08-12 | 2019-08-12 | Tripping device and load switch-fuse combined electrical apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN210984587U true CN210984587U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921314591.4U Active CN210984587U (en) | 2019-08-12 | 2019-08-12 | Tripping device and load switch-fuse combined electrical apparatus |
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| CN (1) | CN210984587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900003A (en) * | 2020-08-19 | 2020-11-06 | 北京华电瑞通电力工程技术有限公司 | Tripping interlocking device and high-voltage combined electrical appliance cabinet |
| CN113643926A (en) * | 2021-09-06 | 2021-11-12 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas insulation ring main unit |
-
2019
- 2019-08-12 CN CN201921314591.4U patent/CN210984587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900003A (en) * | 2020-08-19 | 2020-11-06 | 北京华电瑞通电力工程技术有限公司 | Tripping interlocking device and high-voltage combined electrical appliance cabinet |
| CN113643926A (en) * | 2021-09-06 | 2021-11-12 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas insulation ring main unit |
| CN113643926B (en) * | 2021-09-06 | 2024-03-01 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas-insulated ring main unit |
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Address after: Room 8-1, Building 1, No. 50 Shuangxing Avenue, Biquan Street, Bishan District, Chongqing, 402760 Patentee after: Chongqing Huicheng Information Technology Co.,Ltd. Country or region after: China Address before: 518118 Huicheng science and technology industrial area, east of Lanjing road and south of Jinxiu Road, Pingshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HIFUTURE INFORMATION TECHNOLOGY Co.,Ltd. Country or region before: China |
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