CN218039012U - Manual switching-off mechanism of low-voltage flame-proof combined permanent magnet feed switch - Google Patents
Manual switching-off mechanism of low-voltage flame-proof combined permanent magnet feed switch Download PDFInfo
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- CN218039012U CN218039012U CN202221860433.0U CN202221860433U CN218039012U CN 218039012 U CN218039012 U CN 218039012U CN 202221860433 U CN202221860433 U CN 202221860433U CN 218039012 U CN218039012 U CN 218039012U
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- permanent magnet
- operating rod
- connecting rod
- switch cabinet
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Abstract
The utility model provides a manual opening mechanism of a low-voltage flame-proof combined permanent-magnet feed switch, which is arranged on a feed switch cabinet and comprises an operating rod, a swing arm and a slide block; the operating rod is arranged inside the feed switch cabinet in a sliding mode along the left-right direction, and at least the left end of the operating rod extends to the left end face of the feed switch cabinet; the middle part of the swing arm is rotatably arranged on the feed switch cabinet, and the lower end of the swing arm is rotatably connected with the right end of the operating rod; the sliding block is arranged at the upper end of the swing arm and is used for controlling a connecting rod in a brake separating mechanism of a permanent magnet circuit breaker in the feed switch cabinet to perform brake separating operation; when the operating rod moves rightwards, the swing arm rotates anticlockwise, the sliding block pushes the connecting rod to move backwards after being abutted against the connecting rod, and therefore the opening function of the opening mechanism of the permanent magnet circuit breaker is opened. This application only needs simple button operation and simple mechanical linkage, can lose under the circumstances of electric failure and carry out quick separating brake at original circuit breaker separating brake mechanism.
Description
Technical Field
The utility model relates to a feeder switch accessory, especially a manual separating brake mechanism of low pressure flame proof combination permanent magnetism feeder switch.
Background
The permanent magnet circuit breaker switching-on and switching-off mechanism matched with the existing low-voltage flame-proof combined permanent magnet feed switch is realized by utilizing permanent magnet steel to control a plurality of connecting rods to be linked, and once an electrolytic capacitor of the switching-on and switching-off mechanism loses power or a circuit board for controlling switching-on and switching-off fails, the circuit breaker cannot be switched off, so that certain potential safety hazards are brought to production power supply of a coal mine.
Therefore, the manual separating brake mechanism of the low-voltage flame-proof combined permanent magnet feed switch is urgently needed, mechanical separating brake can be achieved only by pressing down the operation in front of the cabinet door, time and labor are saved, operation safety is achieved, and the power supply hidden danger caused by the fact that the breaker cannot be separated from the brake is reduced.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a manual separating brake mechanism of low pressure flame proof combination permanent magnetism feed switch adopts simple structure and simple operation to reach the purpose of quick mechanical separating brake. The utility model adopts the technical proposal that:
a manual switching-off mechanism of a low-voltage flame-proof combined permanent magnet feed switch is arranged on a feed switch cabinet and comprises
The operating rod is arranged inside the feed switch cabinet in a sliding mode along the left-right direction, and at least the left end of the operating rod extends to the left end face of the feed switch cabinet;
the middle part of the swing arm is rotatably arranged on the feed switch cabinet, and the lower end of the swing arm is rotatably connected with the right end of the operating rod;
the sliding block is arranged at the upper end of the swing arm and used for controlling a connecting rod in a brake separating mechanism of a permanent magnet circuit breaker in the feed switch cabinet to perform brake separating operation;
when the operating rod moves rightwards, the swing arm rotates anticlockwise, the sliding block pushes the connecting rod to move backwards after being abutted against the connecting rod, and therefore the opening function of the opening mechanism of the permanent magnet circuit breaker is opened.
Furthermore, a support is arranged at the bottom in the feed switch cabinet, and the operating rod penetrates through the support.
Further, a spring is arranged on the operating rod, when the operating rod slides rightwards, the elastic force of the spring is increased, and when the operating rod slides leftwards, the elastic force of the spring is reduced.
Furthermore, a sleeve is arranged on the left side wall in the feed switch cabinet, and the operating rod penetrates through the sleeve;
one end of the spring is fixed on the operating rod, and the other end of the spring is abutted to the sleeve.
Further, the leading flank of slider and the trailing flank fixed connection of swing arm, the trailing flank of slider sets up to the inclined plane to make the thickness of slider increase gradually from the right side to the left side.
Furthermore, the front end of the connecting rod is rotatably provided with a rolling part, and the inclined plane of the sliding block can be in rolling contact with the rolling part.
Further, the rolling member is a pulley, and the axial direction of the pulley extends along the vertical direction.
Furthermore, the right end of the inclined plane is set to be a horizontal transition surface, and the right end of the transition surface extends to the right end face of the sliding block.
Furthermore, the opening mechanism of the permanent magnet circuit breaker further comprises permanent magnet steel, a connecting rod and an actuating rod, wherein the actuating rod is respectively connected to the connecting rod and the feed switch cabinet in a rotating manner, the permanent magnet steel is fixed in the feed switch cabinet, and the output end of the permanent magnet steel is connected to the connecting rod, so that the connecting rod can move back and forth;
when the output end of the permanent magnet steel extends forwards, the connecting rod moves forwards, the executing rod swings backwards, the closing function of the circuit breaker is started, and the closing of the circuit breaker is realized;
when the output end of the permanent magnetic steel retracts backwards, the connecting rod moves backwards, the actuating rod swings forwards, the brake separating function of the circuit breaker is started, and brake separating of the circuit breaker is achieved.
Furthermore, a through hole is formed in the left end face of the feed switch cabinet, and the operating rod extends into the through hole;
an emergency button is arranged in the through hole and connected to the operating rod.
The utility model has the advantages that: the circuit breaker can be quickly opened under the condition that the original circuit breaker opening mechanism loses power and fails only through simple key operation and simple mechanical linkage, and the circuit breaker opening mechanism is time-saving and labor-saving in operation, safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural diagram of the middle slider of the present invention.
Fig. 3 is the structure schematic diagram of the circuit breaker opening mechanism of the present invention.
Fig. 4 is a left side view of fig. 1.
In the figure: 1-feed switch cabinet, 2-operating rod, 3-swing arm, 4-slide block, 401-inclined plane, 402-transition plane, 5-connecting rod, 6-bracket, 7-spring, 8-sleeve, 9-rolling piece, 10-permanent magnet steel and 11-actuating rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to the attached drawing 1, the utility model provides a manual opening mechanism of a low-voltage flame-proof combined permanent-magnet feed switch, which is arranged on a feed switch cabinet 1 and comprises an operating rod 2, a swing arm 3 and a slide block 4; the operating rod 2 is arranged inside the feed switch cabinet 1 in a sliding mode along the left-right direction, and at least the left end of the operating rod 2 extends to the left end face of the feed switch cabinet 1; the middle part of the swing arm 3 is rotatably arranged on the feed switch cabinet 1, and the lower end of the swing arm is rotatably connected with the right end of the operating rod 2; the sliding block 4 is arranged at the upper end of the swing arm 3 and is used for controlling a connecting rod 5 in a brake separating mechanism of a permanent magnet circuit breaker in the feed switch cabinet 1 to perform brake separating operation; when the operating rod 2 moves rightwards, the swing arm 3 rotates anticlockwise, the sliding block 4 is abutted against the connecting rod 5 and then pushes the connecting rod 5 to move backwards, and therefore the opening function of the opening mechanism of the permanent magnet circuit breaker is opened.
Specifically, the operating rod 2 and the swing arm 3 are both located on the front side inside the feed switch cabinet 1 and located between the inner wall of the feed switch cabinet 1 and the circuit breaker, so that the positions of other components are not occupied, and interference on installation and movement of the other components is avoided.
In the application, a bracket 6 is arranged at the bottom in the feed switch cabinet 1, and the operating rod 2 penetrates through the bracket 6; specifically, the bracket 6 has an L-shaped structure, and keeps the operation rod 2 sliding in the horizontal direction all the time while having good support for the operation rod 2.
In this application, in order to facilitate the reset of the operation lever 2, the operation lever 2 is provided with a spring 7, when the operation lever 2 slides rightward, the elastic force of the spring 7 is increased, and when the operation lever 2 slides leftward, the elastic force of the spring 7 is decreased.
Specifically, in order to further enable the operating rod 2 to slide smoothly, a sleeve 8 is arranged on the left side wall in the feed switch cabinet 1, and the operating rod 2 penetrates through the sleeve 8; one end of the spring 7 is fixed on the operating rod 2, and the other end of the spring is abutted with the sleeve 8.
Referring to fig. 1 and 2, the front side surface of the slider 4 is fixedly connected with the rear side surface of the swing arm 3, and the rear side surface of the slider 4 is provided with an inclined surface 401, so that the thickness of the slider 4 gradually increases from right to left; through the design of the inclined plane 401, a connecting piece in the front-back direction between the swing arm 3 and the connecting rod 5 is not needed, so that the cost and the space can be saved.
Referring to fig. 1 and 3, a rolling member 9 is rotatably disposed at the front end of the connecting rod 5, and the inclined surface 401 of the slider 4 can be in rolling contact with the rolling member 9; the rolling part 9 changes the sliding friction between the connecting rod 5 and the sliding block 4 into rolling friction, so that the friction resistance is reduced, and the connecting rod 5 is prevented from being blocked to influence brake opening.
As an embodiment of the present application, the rolling member 9 is a pulley, and an axial direction of the pulley extends in a vertical direction.
Referring to fig. 2, the right end of the inclined plane 401 is provided as a horizontal transition plane 402, and the right end of the transition plane 402 extends to the right end surface of the slider 4; the transition surface 402 is provided to smooth the relative movement between the connecting rod 5 and the sliding block 4.
Referring to fig. 3, the opening mechanism of the permanent magnet circuit breaker further includes a permanent magnet steel 10, a connecting rod 5 and an actuating rod 11, the actuating rod 11 is respectively rotatably connected to the connecting rod 5 and the feed switch cabinet 1, the permanent magnet steel 10 is fixed inside the feed switch cabinet 1, and an output end of the permanent magnet steel 10 is connected to the connecting rod 5, so that the connecting rod 5 can move back and forth; when the output end of the permanent magnetic steel 10 extends forwards, the connecting rod 5 moves forwards, the executing rod 11 swings backwards, the closing function of the circuit breaker is started, and the circuit breaker is closed; when the output end of the permanent magnetic steel 10 retracts backwards, the connecting rod 5 moves backwards, the actuating rod 11 swings forwards, the circuit breaker is opened in a brake-separating function, and the circuit breaker is separated; the opening mechanism of the permanent magnet circuit breaker is disclosed in the prior art, and the principle of the opening mechanism is the same as that disclosed in the application.
Referring to fig. 4, a through hole is formed in the left end surface of the feed switch cabinet 1, and the operating rod 2 extends into the through hole; an emergency button is arranged in the through hole and connected to the operating rod 2; the design of the emergency button improves the comfort of pressing the operating lever 2.
The use process comprises the following steps:
when the switching-off mechanism of the permanent magnet short circuit of the feed switch fails and cannot be electrically switched off, the emergency button is pressed down, the operating rod 2 slides rightwards, the operating rod 2 drives the swing arm 3 to swing anticlockwise, meanwhile, the elastic force of the spring 7 is increased, the swing arm 3 drives the sliding block 4 to slide leftwards until the sliding block is contacted with the rolling piece 9 on the connecting rod 5, the rolling piece 9 moves backwards under the action of the inclined plane 401 of the sliding block 4, the connecting rod 5 is driven to move backwards, the mechanical switching-off effect is achieved through linkage of the connecting rod 5 and the executing rod 11, the emergency button is released, the operating rod 2 resets under the action of the spring 7, the swing arm 3 and the sliding block 4 also reset along with the sliding block, and the switching-off action is completed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a manual separating brake mechanism of low pressure flame proof combination permanent magnetism feed switch, sets up on feed cubical switchboard (1), its characterized in that: comprises that
The operating rod (2) is arranged inside the feed switch cabinet (1) in a sliding mode along the left-right direction, and at least the left end of the operating rod (2) extends to the left end face of the feed switch cabinet (1);
the middle part of the swing arm (3) is rotatably arranged on the feed switch cabinet (1), and the lower end of the swing arm is rotatably connected with the right end of the operating rod (2);
the sliding block (4) is arranged at the upper end of the swing arm (3) and is used for controlling a connecting rod (5) in a brake separating mechanism of a permanent magnet circuit breaker in the feed switch cabinet (1) to perform brake separating operation;
when the operating rod (2) moves rightwards, the swing arm (3) rotates anticlockwise, the sliding block (4) is abutted to the connecting rod (5) to push the connecting rod (5) to move backwards, and therefore the opening function of the opening mechanism of the permanent magnet circuit breaker is opened.
2. The manual switching-off mechanism of the low-voltage flameproof combined permanent-magnet feed switch according to claim 1, characterized in that: the bottom is provided with support (6) in feed cubical switchboard (1), action bars (2) run through in support (6).
3. The manual switching-off mechanism of the low-voltage flameproof combined permanent-magnet feed switch according to claim 2, characterized in that: the operating rod (2) is provided with a spring (7), when the operating rod (2) slides rightwards, the elastic force of the spring (7) is increased, and when the operating rod (2) slides leftwards, the elastic force of the spring (7) is reduced.
4. The manual switching-off mechanism of the low-voltage flameproof combination permanent-magnet feed switch according to claim 3, characterized in that: a sleeve (8) is arranged on the left side wall in the feed switch cabinet (1), and the operating rod (2) penetrates through the sleeve (8);
one end of the spring (7) is fixed on the operating rod (2), and the other end of the spring is abutted against the sleeve (8).
5. The manual opening mechanism of the low-voltage flameproof combination permanent magnet feed switch according to any of claims 1 to 4, characterized in that: the front side face of the sliding block (4) is fixedly connected with the rear side face of the swing arm (3), and the rear side face of the sliding block (4) is arranged to be an inclined plane (401) so that the thickness of the sliding block (4) is gradually increased from right to left.
6. The manual opening mechanism of the low-voltage flameproof combined permanent magnet feed switch according to claim 5, characterized in that: the front end of the connecting rod (5) is rotatably provided with a rolling part (9), and the inclined surface (401) of the sliding block (4) can be in rolling contact with the rolling part (9).
7. The manual opening mechanism of the low-voltage flameproof combined permanent magnet feed switch according to claim 6, characterized in that: the rolling member (9) is a pulley, and the axial direction of the pulley extends along the vertical direction.
8. The manual opening mechanism of the low-voltage flameproof combined permanent magnet feed switch according to claim 7, characterized in that: the right end of the inclined surface (401) is provided with a horizontal transition surface (402), and the right end of the transition surface (402) extends to the right end surface of the sliding block (4).
9. The manual opening mechanism of the low-voltage flameproof combination permanent magnet feed switch according to any of claims 1 to 4, characterized in that: the opening mechanism of the permanent magnet circuit breaker further comprises permanent magnet steel (10), a connecting rod (5) and an actuating rod (11), wherein the actuating rod (11) is respectively connected to the connecting rod (5) and the feed switch cabinet (1) in a rotating mode, the permanent magnet steel (10) is fixed inside the feed switch cabinet (1), and the output end of the permanent magnet steel (10) is connected to the connecting rod (5) so that the connecting rod (5) can move back and forth;
when the output end of the permanent magnet steel (10) extends forwards, the connecting rod (5) moves forwards, the executing rod (11) swings backwards, the switching-on function of the circuit breaker is started, and the switching-on of the circuit breaker is realized;
when the output end of the permanent magnet steel (10) retracts backwards, the connecting rod (5) moves backwards, the actuating rod (11) swings forwards, the opening function of the breaker is started, and the opening of the breaker is realized.
10. The manual opening mechanism of the low-voltage flameproof combination permanent magnet feed switch according to any of claims 1 to 4, characterized in that: a through hole is formed in the left end face of the feed switch cabinet (1), and the operating rod (2) extends into the through hole;
an emergency button is arranged in the through hole and connected to the operating rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221860433.0U CN218039012U (en) | 2022-07-19 | 2022-07-19 | Manual switching-off mechanism of low-voltage flame-proof combined permanent magnet feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221860433.0U CN218039012U (en) | 2022-07-19 | 2022-07-19 | Manual switching-off mechanism of low-voltage flame-proof combined permanent magnet feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039012U true CN218039012U (en) | 2022-12-13 |
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ID=84384827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221860433.0U Active CN218039012U (en) | 2022-07-19 | 2022-07-19 | Manual switching-off mechanism of low-voltage flame-proof combined permanent magnet feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039012U (en) |
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2022
- 2022-07-19 CN CN202221860433.0U patent/CN218039012U/en active Active
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