CN209747416U - Emergency operating mechanism of contactor - Google Patents
Emergency operating mechanism of contactor Download PDFInfo
- Publication number
- CN209747416U CN209747416U CN201920875680.XU CN201920875680U CN209747416U CN 209747416 U CN209747416 U CN 209747416U CN 201920875680 U CN201920875680 U CN 201920875680U CN 209747416 U CN209747416 U CN 209747416U
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- China
- Prior art keywords
- contactor
- crank
- handle
- connecting rod
- operating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 6
- 238000010891 electric arc Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Mechanisms For Operating Contacts (AREA)
Abstract
The utility model relates to an operating mechanism, especially an emergent operating mechanism of contactor belongs to low-voltage apparatus class product and makes and use technical field. The energy storage of the spring energy storage mechanism is used as a power source for the connection and disconnection of the main contact of the alternating current contactor. The connecting rod is driven by the crank, the connecting rod pushes the round shaft, the round shaft transmits force to the linkage mechanism of the alternating current contactor, and the linkage mechanism drives the armature and the main contact to move, so that the connection and disconnection of the main contact of the alternating current contactor are realized. The energy stored by the spring is released in an instant in an accelerating way, is irrelevant to the external force of a manual operating handle, can effectively avoid arc discharge, and has no influence on the electrical property of the contactor in the switching-on and switching-off processes. The emergency operating mechanism is simple in structure, reliable in operation and convenient to install and maintain. The contactor can ensure that the main loop can be reliably connected or disconnected when the controller fails or the control circuit fails, and the contactor is a product which has a very wide application prospect and is popular with users.
Description
Technical Field
the utility model relates to an operating mechanism, especially an emergent operating mechanism of contactor belongs to low-voltage apparatus class product and makes and use technical field.
background
The contactor is widely applied to a control circuit of a fire pump, and under the normal condition of the control circuit, after a coil of the contactor is electrified, current flowing through the coil generates a magnetic field to enable an armature to attract an iron core and drive a main contact of the contactor to be closed, and a main circuit is connected. When the coil of the contactor is powered off, the current flowing through the coil disappears, the electromagnetic attraction of the armature also disappears, and the armature is released under the action of the release spring, so that the main contact of the contactor is separated, and the main circuit is disconnected. The motive force for contactor action is due to the magnetic field generated by the passage of current through the cored coil. Therefore, under the condition that the controller or the control circuit has a fault, the conventional contactor loses the power source of the action, so that the main contact cannot act. At the moment, if a fire disaster happens, the fire pump cannot be started, and the failure of the fire-fighting system is caused.
SUMMERY OF THE UTILITY MODEL
For solving the deficiencies of the prior art, the utility model provides an emergent operating mechanism of contactor. The emergency starting fire pump is mainly applied to the situation that when a secondary circuit of a fire pump cabinet controller or a contactor for controlling the fire pump breaks down, the fire pump is started by personnel with management authority in an emergency mechanical emergency, or other occasions needing mechanical emergency starting of the fire pump under emergency conditions.
In order to realize the purpose, the utility model discloses a technical scheme is: an emergency operating mechanism of a contactor is connected with a transmission circular shaft on an auxiliary contact position on the side surface of the contactor, the circular shaft is fixed in a slot hole on the side surface of the contactor through a shaft sleeve, the transmission circular shaft is assembled with a movable contact component on the contactor and used for controlling the disconnection and the closing of the contactor,
the device comprises a shell I and a shell II which are connected with each other, wherein the shell I is clamped with the side surface of a contactor, a connecting rod and a crank are connected together through a riveting shaft and are arranged in the shell I, a long pore passage is formed in the connecting rod, and the end of a round shaft penetrates through the shell I and is arranged in the pore passage of the connecting rod; the crank rotates to drive the connecting rod to move up and down, and further drives the round shaft to move up and down;
the upper end of the push rod is riveted with the rotating shaft, and the lower end of the push rod is rotatably connected with the upper part of the slide block; the lower parts of the two ends of the sliding block are respectively connected with a spring, and the lower part of the spring is arranged on the shell II; the rotating shaft is arranged in the handle, the rotating shaft and the handle are connected through the main shaft, and the other end of the main shaft is connected with the crank.
Furthermore, rotating holes with the same shape are formed in the rotating shaft, the crank and the handle, and the rotating holes through which the main shaft penetrates the rotating shaft, the crank and the handle are connected together in a transmission mode.
furthermore, the shell I is clamped with the side face of the contactor through a dovetail groove.
Furthermore, the handle has two opposite faces, and each opposite face is equipped with a rotating hole, and the rotating shaft is arranged between two opposite faces and is connected with the handle through the main shaft.
the utility model discloses under the prerequisite that does not change ac contactor major structure and function, ingenious incorporation reliable, the emergent operating device of easy operation. The contactor can still realize the connection and disconnection of the main contact when the controller fails or a control circuit fails in a specific use environment, and the reliable operation of a fire-fighting system is guaranteed.
Drawings
FIG. 1 is an exploded view of the structure;
fig. 2 is a schematic diagram of the connection of the emergency operating mechanism and the contactor;
FIG. 3 is a schematic view of the operating mechanism in an initial state;
FIG. 4 is a schematic diagram of the transmission spring about to complete energy storage;
Fig. 5 is a schematic diagram showing the disconnection state of the moving contact and the static contact;
Fig. 6 is a schematic diagram of the connection state of the moving contact and the static contact;
The labels in the figure are:
1-shell I, 2-connecting rod, 3-crank, 4-riveting shaft, 5-check ring, 6-main shaft, 7-rotating shaft, 8-handle, 9-shell II, 10-screw, 11-push rod, 12-rivet, 13-spring, 14-slide block, 15-rivet, 16-round shaft, 17-shaft sleeve, 18-nut and 19-contactor.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
as shown in fig. 1-2, the present solution provides an emergency operating mechanism for a contactor, which is connected to a circular transmission shaft at an auxiliary contact position on a side surface of a contactor 19, the circular transmission shaft is fixed in a slot hole on the side surface of the contactor through a shaft sleeve 17, the circular transmission shaft 16 can move up and down in the slot hole under the action of an external force, wherein the circular transmission shaft 16 is assembled with a movable contact assembly of the contactor, and the movable contact of a downward controller is closed to control the opening of the switch upwards.
the operating mechanism comprises a shell I1 and a shell II 9 which are mutually connected through a nut 18 and a screw 10, and the shell I1 is clamped with the side surface of a contactor 19 through a dovetail groove. The upper end of the connecting rod 2 and the lower end of the crank 3 are assembled and connected together through a riveting shaft 4 and are arranged in the shell I1. The connecting rod 2 is provided with a long pore passage, the head end of the round shaft 16 penetrates through the shell I1 and is arranged in the pore passage of the connecting rod 2, and the round shaft 16 is provided with a check ring 5 to prevent the round shaft 16 from falling off the connecting rod 2. The crank 3 rotates to drive the connecting rod 2 to move up and down, and further drive the round shaft 16 to move up and down. The crank 3 and the connecting rod 2 are both designed to be inclined, the upper end of the connecting rod 2 is rotatably connected with the crank 3, and the crank 3 rotates clockwise to push the connecting rod 2 to move downwards.
The upper part of the push rod 11 is riveted with the rotating shaft 7 through a rivet 12, namely the upper end of the push rod 11 is rotatably fixed on the rotating shaft 7 through the rivet 12, and the lower end of the push rod 11 is rotatably riveted with the upper part of the slide block 14 through a rivet 15;
the lower parts of the two ends of the sliding block 14 are respectively connected with a spring 13, and the lower part of the spring 13 is arranged on the shell II 9; the rotating shaft 7 is arranged in the handle 8, the rotating shaft and the handle are connected through the main shaft 6, and the other end of the main shaft 6 is connected with the crank 3. Specifically, handle 8 has two opposite faces, is equipped with a commentaries on classics hole on every opposite face, is equipped with the shape in pivot 7 and crank 3 the same simultaneously and changes the hole rather than the same, and pivot 7 is arranged in between two opposite faces, and pivot 7, crank 3 and handle 8 transmission are connected together to the commentaries on classics hole that main shaft 6 to wearing three. The main shaft 6 is connected with the crank and the rotating shaft in a clamping way and in a non-rotating way.
The working principle of closing a switch is as follows:
As shown in figure 4, the handle is rotated clockwise to drive the rotating shaft to rotate clockwise, downward thrust is given to the push rod, the head end of the push rod pushes the sliding block to move downwards to compress the spring, and at the moment, the effect figure is shown in figure 4, and the spring is about to complete energy storage. The main shaft rotates to drive the crank to rotate clockwise, the crank rotates to provide downward thrust for the connecting rod, the connecting rod drives the circular shaft to move downwards, and the circular shaft pulls the moving contact A of the contactor downwards to move downwards to be in contact with the static contact B to achieve closing. When the handle is rotated clockwise, the push rod is changed from an inclined state to a vertical stable state to keep continuous closing.
The working principle of brake separation:
as shown in fig. 3, when the contactor is in an open state, the manual operating mechanism is in an original state, and at this time, the spring corresponds to the upward supporting force of the slider, so that the slider moves upward to push the head end of the push rod to move upward, the push rod pushes the rotating shaft to rotate counterclockwise, and then drives the main shaft to rotate counterclockwise, the main shaft drives the crank to rotate counterclockwise, an upward pulling force is given to the connecting rod, the connecting rod drives the circular shaft to move upward, and the static contact and the moving contact on the contactor are separated to realize open brake. Fig. 5 is a schematic position diagram of the crank and the connecting rod when the moving contact and the static contact are disconnected;
In the scheme, the rightward inclination angle of the connecting rod of the operating mechanism gradually decreases from large under the switching-off state to the switching-on state. The push rod is changed from a right inclined state to a vertical state.
the utility model discloses applied spring energy storage mechanism energy storage as the switch-on of ac contactor main contact and the power supply of breaking the action. The connecting rod is driven by the crank, the connecting rod pushes the round shaft, the round shaft transmits force to the linkage mechanism of the alternating current contactor (namely, the round shaft is assembled with the movable contact component of the contactor together, in one assembly mode, each movable contact A is connected to a transverse connecting rod through a spring, each transverse connecting rod is provided with a vertical pull rod, the pull rods are connected with the round shaft, the round shaft moves downwards to pull the transverse connecting rods to move downwards, the connecting rods downwards provide downward pressure to the springs to move the movable contacts downwards and close the fixed contacts B), the linkage mechanism drives the movable contacts A to move, and connection and disconnection of the main contacts of the alternating current contactor are achieved. The energy stored by the spring is released in an accelerated manner in an instant, no manual operation is involved, arc discharge can be effectively avoided, and the electrical property of the contactor in the connection and disconnection processes is not affected.
The emergency operating mechanism is simple in structure, reliable in operation and convenient to install and maintain. The contactor can ensure that the main loop can be reliably connected or disconnected when the controller fails or the control circuit fails, and the contactor is a product which has a very wide application prospect and is popular with users.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides an emergent operating mechanism of contactor, is connected through a transmission circle axle with the contactor, and this transmission circle axle is connected with the linkage structure of contactor and is used for controlling contactor disconnection and combined floodgate, its characterized in that:
The device comprises a shell I and a shell II which are connected with each other, wherein the shell I is clamped with the side surface of a contactor, a connecting rod is connected with a crank and is arranged in the shell I, a long pore passage is arranged on the connecting rod, and the end of a round shaft penetrates through the shell I and is arranged in the pore passage of the connecting rod;
The upper part of the push rod is riveted with the rotating shaft, and the lower end of the push rod is rotatably connected with the upper part of the slide block; the lower parts of the two ends of the sliding block are respectively connected with a spring, and the lower part of the spring is arranged on the shell II; placing the assembled rotating shaft in a handle, and connecting the rotating shaft and the handle through a main shaft; the other end of the main shaft is connected with a crank.
2. the emergency operating mechanism of a contactor according to claim 1, wherein: the rotating shaft, the handle and the crank are provided with rotating holes with the same shape, and the main shaft is connected with the rotating shaft, the handle and the crank in a transmission way through the rotating holes penetrating through the main shaft, the handle and the crank.
3. The emergency actuator of a contactor as claimed in claim 2, wherein: the handle is provided with two opposite surfaces, each opposite surface is provided with a rotating hole, and the rotating shaft is arranged between the two opposite surfaces and is connected with the handle through the main shaft.
4. A contactor, characterized by: the emergency operating mechanism comprises any one of the emergency operating mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875680.XU CN209747416U (en) | 2019-06-12 | 2019-06-12 | Emergency operating mechanism of contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875680.XU CN209747416U (en) | 2019-06-12 | 2019-06-12 | Emergency operating mechanism of contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747416U true CN209747416U (en) | 2019-12-06 |
Family
ID=68723692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875680.XU Withdrawn - After Issue CN209747416U (en) | 2019-06-12 | 2019-06-12 | Emergency operating mechanism of contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209747416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112041A (en) * | 2019-06-12 | 2019-08-09 | 沈阳斯沃电器有限公司 | Contactor emergency operating mechanism |
-
2019
- 2019-06-12 CN CN201920875680.XU patent/CN209747416U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112041A (en) * | 2019-06-12 | 2019-08-09 | 沈阳斯沃电器有限公司 | Contactor emergency operating mechanism |
| CN110112041B (en) * | 2019-06-12 | 2024-02-27 | 沈阳斯沃电器有限公司 | Emergency operation mechanism of contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240227 |