CN218384989U - Novel modularization semi-axis is threaded off device - Google Patents
Novel modularization semi-axis is threaded off device Download PDFInfo
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- CN218384989U CN218384989U CN202223004071.8U CN202223004071U CN218384989U CN 218384989 U CN218384989 U CN 218384989U CN 202223004071 U CN202223004071 U CN 202223004071U CN 218384989 U CN218384989 U CN 218384989U
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Abstract
The utility model provides a novel modularized half shaft tripping device, which comprises a closing mechanism and a separating mechanism, wherein the closing half shaft, a first needle bearing and a closing reset spring are connected in a shaft hole matching mode; the closing bent plate is fixedly connected with a closing half shaft through a screw; the closing pawl is connected with the rotating shaft and the first self-resetting torsion spring in a shaft hole matching mode; when the closing coil is operated, the top end of the closing coil pushes the closing bent plate to enable the closing bent plate and the closing half shaft to rotate around the first needle roller bearing together, and under the action of the force of the first self-resetting torsion spring, the top end of the closing pawl is released from a gap of the closing half shaft and releases the closing cam, so that the mechanism is closed; the utility model provides a semi-axis dropout mode makes the switch close the separating brake more reliable, has more prolonged the switch action time, and the part atress is littleer, and life is longer, and axle head bearing uses more nimble reliably, and can not lead to the semi-axis jamming because of the assembly.
Description
Technical Field
The utility model relates to an electric power system equips technical field, especially relates to a novel modularization semi-axis is threaded off device.
Background
High-voltage circuit breaker (or called high-voltage switch), it not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off overload current and short-circuit current by the action of relay protection device when the system is in fault, it has fairly perfect arc-extinguishing structure and enough current-breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF 6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.
The high-voltage circuit breaker plays a role in controlling a high-voltage circuit, and is one of important electrical components in the high-voltage circuit. The circuit breaker is used for switching on or off a circuit in normal operation, and a fault condition rapidly breaks the circuit under the action of a relay protection device and reliably switches on short-circuit current under special conditions (such as automatic reclosing on a fault line). A high-voltage circuit breaker is a special appliance that switches on or off a high-voltage circuit under normal or fault conditions.
The opening and closing bent plates of a half-shaft release mechanism in the existing vacuum circuit breaker are plastic pieces and are easy to break in the long-term use process; the original mechanism has concentrated transmission energy and short action time, and is not beneficial to arc quenching of a primary loop arc extinguishing chamber; part of parts are stressed greatly and are easy to damage; oilless bearings are adopted at two ends of a mechanism opening shaft, and the oilless bearings are easy to cause the clamping stagnation phenomenon of the opening shaft in the contraction process of entering a shaft hole due to structural limitation
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a novel modularization semi-axis tripping device.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a novel modularization semi-axis dropout device, includes closing mechanism and separating brake mechanism, closing mechanism includes: the automatic closing device comprises a closing coil, a closing bent plate, a closing half shaft, a closing reset spring, a first needle bearing, a closing pawl, a first self-resetting torsion spring and a closing cam; the brake separating mechanism comprises a brake separating coil, a brake separating bent plate, a second needle bearing, a brake separating reset spring, a brake separating half shaft, a brake separating pawl, a second self-resetting torsion spring, a rotating shaft and a brake separating crank arm;
the switching-on half shaft, the first needle bearing and the switching-on reset spring are connected in a shaft hole matching mode; the switching-on bent plate is fixedly connected with the switching-on half shaft through a screw; the closing pawl is connected with the rotating shaft and the first self-resetting torsion spring in a shaft hole matching mode; when the closing coil is operated, the top end of the closing coil pushes the closing bent plate to enable the closing bent plate and the closing half shaft to rotate around the first needle roller bearing together, and under the action of the force of the first self-resetting torsion spring, the top end of the closing pawl is released from a gap of the closing half shaft and releases the closing cam, so that the mechanism is closed;
the opening half shaft, the second needle roller bearing and the opening reset spring are connected in a shaft hole matching mode; the opening bent plate is fixedly connected with the opening half shaft through a screw; the rotating shaft of the brake separating pawl and the second self-resetting torsion spring are connected in a shaft hole matching mode; when the opening coil is operated, the top end of the opening coil pushes the opening bent plate to enable the opening bent plate and the opening half shaft to rotate around the needle roller bearing together, and under the action of the force of the second self-resetting torsion spring, the top end of the opening crank arm is released from the notch of the opening half shaft, and the opening crank arm is released, so that the opening of the mechanism is achieved.
Preferably, the closing bending plate is made of metal.
Preferably, the opening bending plate is made of metal.
Preferably, the method further comprises the following steps: a first mechanism housing; the closing coil, the closing bent plate, the closing half shaft, the closing reset spring, the first needle bearing, the closing pawl, the first self-resetting torsion spring and the closing cam are all arranged in the first mechanism shell; a first positioning hole is preset in the first mechanism shell; the first positioning hole is used for fixing the closing half shaft, the first needle bearing and the closing reset spring.
Preferably, the method further comprises the following steps: a second mechanism housing; the opening coil, the opening bent plate, the second needle bearing, the opening reset spring, the opening half shaft, the opening pawl, the second self-resetting torsion spring, the rotating shaft and the opening crank arm are all arranged in the second mechanism shell; a second positioning hole is preset in the second mechanism shell; the second positioning hole is used for fixing the opening half shaft, the second needle roller bearing and the opening reset spring.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a novel modularization semi-axis is threaded off device, including combined floodgate mechanism and separating brake mechanism, combined floodgate mechanism includes: the automatic closing device comprises a closing coil, a closing bent plate, a closing half shaft, a closing reset spring, a first needle bearing, a closing pawl, a first self-resetting torsion spring and a closing cam; the brake separating mechanism comprises a brake separating coil, a brake separating bent plate, a second needle bearing, a brake separating reset spring, a brake separating half shaft, a brake separating pawl, a second self-resetting torsion spring, a rotating shaft and a brake separating crank arm; the switching-on half shaft, the first needle bearing and the switching-on reset spring are connected in a shaft hole matching mode; the switching-on bent plate is fixedly connected with the switching-on half shaft through a screw; the closing pawl is connected with the rotating shaft and the first self-resetting torsion spring in a shaft hole matching mode; when the closing coil is operated, the top end of the closing coil pushes the closing bent plate to enable the closing bent plate and the closing half shaft to rotate around the first needle roller bearing together, and under the action of the force of the first self-resetting torsion spring, the top end of the closing pawl is released from a gap of the closing half shaft and releases the closing cam, so that the mechanism is closed; the opening half shaft, the second needle bearing and the opening reset spring are connected in a shaft hole matching mode; the opening bent plate is fixedly connected with the opening half shaft through a screw; the rotating shaft of the brake separating pawl and the second self-resetting torsion spring are connected in a shaft hole matching mode; when the opening coil is operated, the top end of the opening coil pushes the opening bent plate to enable the opening bent plate and the opening half shaft to rotate around the needle roller bearing together, and under the action of the force of the second self-resetting torsion spring, the top end of the opening crank arm is released from the notch of the opening half shaft, and the opening crank arm is released, so that the opening of the mechanism is achieved. The utility model provides a semi-axis dropout mode makes the switch close the separating brake more reliable, has more prolonged the switch action time, and the part atress is littleer, and life is longer, and axle head bearing uses more nimble reliably, and can not lead to the semi-axis jamming because of the assembly. The embodiment discloses that the opening and closing bent plates made of metal materials are longer in service life and more reliable in performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without inventive labor.
Fig. 1 is a schematic structural view of a closing mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a brake separating mechanism provided in the embodiment of the present invention;
description of reference numerals:
h1-closing coil; h2-closing bent plate; h3-a switching-on half shaft; h4-closing reset spring; h5-a first needle bearing; h6-closing pawl; h7-a first self-resetting torsion spring; h8-closing cam; f1-opening coil; f2-opening a brake bending plate; f3-a second needle bearing; f4-opening reset spring; f5-opening half shaft; f6-brake separating pawl; f7-a second self-resetting torsion spring; f8, a rotating shaft; f9-opening crank arm.
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 work belong to the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different elements and not for describing a particular sequential order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, the inclusion of a list of steps, processes, methods, etc. is not limited to only those steps recited, but may alternatively include additional steps not recited, or may alternatively include additional steps inherent to such processes, methods, articles, or devices.
The utility model aims at providing a novel modularization semi-axis dropout device can make the switch close the separating brake more reliable, has more prolonged the switch action time, and the part atress is littleer, and life is longer, and axle head bearing uses more nimble reliably, and can not lead to the semi-axis jamming because of the assembly.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
Referring to fig. 1 and 2, the working principle of the present embodiment is as follows:
when the H1 closing coil is operated, the top end of the coil pushes the H2 closing bent plate to enable the H2 closing bent plate and the H3 closing half shaft to rotate around the H5 needle roller bearing together, under the action of the first self-resetting torsion spring force of the H7, the top end of the H6 closing pawl is released from the gap of the H3 closing half shaft, the H8 closing cam is released due to the rotation of the H6 closing pawl, and the mechanism is closed. And under the action of an H4 closing reset spring, the part returns to the original position.
The H1 closing coil and the mechanism shell are fixed through a screw; the H3 switching-on half shaft, the H5 first needle bearing and the H4 switching-on reset spring are connected with a hole in the mechanism shell in a shaft hole matching mode, and the position is limited by a shaft retainer ring; the H2 closing bent plate is fixedly connected with an H3 closing half shaft through a screw; the H6 closing pawl is connected with the F8 rotating shaft and the H7 first self-resetting torsion spring in a shaft hole matching mode;
when the F1 brake-separating coil is operated, the top end of the coil pushes the F2 brake-separating bent plate (metal) to enable the F2 brake-separating bent plate and the F5 brake-separating half shaft to rotate around the F3 second needle roller bearing together, under the action of F7 second self-resetting torsional spring force, the top end of the F9 brake-separating crank arm is released from the notch of the F5 brake-separating half shaft, and further the F9 brake-separating crank arm is released due to the rotation of the F9 brake-separating crank arm, so that the mechanism is switched off. And under the action of an F4 opening reset spring, the part returns to the original position.
The F1 opening coil and the mechanism shell are fixed through screws; the F5 opening half shaft, the F3 second needle bearing and the F4 opening reset spring are connected with a hole in the mechanism shell in a shaft hole matching mode and limited in position through a shaft retainer ring; the F2 opening brake bent plate is fixedly connected with the F5 opening brake half shaft through a screw; the F6 brake-separating pawl is connected with the F8 rotating shaft and the F7 second self-resetting torsion spring in a shaft hole matching mode.
The utility model has the advantages as follows:
1. the service life of the opening and closing bent plate made of metal materials is longer, and the performance is more reliable;
2. the half shaft tripping mode provided by the utility model ensures that the switching on and off of the switch is more reliable, the switching action time is prolonged, the stress of the part is smaller, and the service life is longer;
3. the utility model provides a shaft end bearing uses more nimble reliably, and can not lead to the semi-axis jamming because of the assembly.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. The utility model provides a novel modularization semi-axis dropout device, includes closing a floodgate mechanism and separating brake mechanism, its characterized in that, closing a floodgate mechanism includes: the device comprises a closing coil, a closing bent plate, a closing half shaft, a closing reset spring, a first needle bearing, a closing pawl, a first self-resetting torsion spring and a closing cam; the brake separating mechanism comprises a brake separating coil, a brake separating bent plate, a second needle bearing, a brake separating reset spring, a brake separating half shaft, a brake separating pawl, a second self-resetting torsion spring, a rotating shaft and a brake separating crank arm;
the switching-on half shaft, the first needle bearing and the switching-on reset spring are connected in a shaft hole matching mode; the switching-on bent plate is fixedly connected with the switching-on half shaft through a screw; the closing pawl is connected with the rotating shaft and the first self-resetting torsion spring in a shaft hole matching mode; when the closing coil is operated, the top end of the closing coil pushes the closing bent plate to enable the closing bent plate and the closing half shaft to rotate around the first needle roller bearing together, and under the action of the force of the first self-resetting torsion spring, the top end of the closing pawl is released from a gap of the closing half shaft and releases the closing cam, so that the mechanism is closed;
the opening half shaft, the second needle roller bearing and the opening reset spring are connected in a shaft hole matching mode; the opening bent plate is fixedly connected with the opening half shaft through a screw; the rotating shaft of the brake separating pawl and the second self-resetting torsion spring are connected in a shaft hole matching mode; when the opening coil is operated, the top end of the opening coil pushes the opening bent plate to enable the opening bent plate and the opening half shaft to rotate around the needle roller bearing together, and under the action of the force of the second self-resetting torsion spring, the top end of the opening crank arm is released from the notch of the opening half shaft, and the opening crank arm is released, so that the opening of the mechanism is achieved.
2. The novel modular half shaft tripping device of claim 1, wherein the closing bent plate is made of metal.
3. The novel modular half shaft tripping apparatus of claim 1, wherein said opening bent plate is made of metal.
4. The novel modular half shaft trip unit of claim 1, further comprising: a first mechanism housing; the closing coil, the closing bent plate, the closing half shaft, the closing reset spring, the first needle bearing, the closing pawl, the first self-resetting torsion spring and the closing cam are all arranged in the first mechanism shell; a first positioning hole is preset in the first mechanism shell; the first positioning hole is used for fixing the closing half shaft, the first needle bearing and the closing reset spring.
5. The novel modular half shaft trip unit of claim 1, further comprising: a second mechanism housing; the opening coil, the opening bent plate, the second needle bearing, the opening reset spring, the opening half shaft, the opening pawl, the second self-resetting torsion spring, the rotating shaft and the opening crank arm are all arranged in the second mechanism shell; a second positioning hole is preset in the second mechanism shell; the second positioning hole is used for fixing the opening half shaft, the second needle roller bearing and the opening reset spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223004071.8U CN218384989U (en) | 2022-11-11 | 2022-11-11 | Novel modularization semi-axis is threaded off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223004071.8U CN218384989U (en) | 2022-11-11 | 2022-11-11 | Novel modularization semi-axis is threaded off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218384989U true CN218384989U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223004071.8U Active CN218384989U (en) | 2022-11-11 | 2022-11-11 | Novel modularization semi-axis is threaded off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218384989U (en) |
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- 2022-11-11 CN CN202223004071.8U patent/CN218384989U/en active Active
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