CN211062670U - Clutch camshaft assembly used on circuit breaker transmission system - Google Patents
Clutch camshaft assembly used on circuit breaker transmission system Download PDFInfo
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- CN211062670U CN211062670U CN201922110990.5U CN201922110990U CN211062670U CN 211062670 U CN211062670 U CN 211062670U CN 201922110990 U CN201922110990 U CN 201922110990U CN 211062670 U CN211062670 U CN 211062670U
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- pawl
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- reunion
- separation
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Abstract
The utility model discloses a separation and reunion camshaft subassembly for on circuit breaker transmission system, including the cam pivot, drive cam, drive gear and ratchet, drive gear rotates and installs in the cam pivot, drive gear rotates through the pawl pivot towards ratchet one side and installs the separation and reunion pawl, separation and reunion pawl one end is for opening the end, the separation and reunion pawl other end is the separation and reunion end, the end of opening and reunion pawl is connected with the pawl pivot, it has separation and reunion pawl groove to open on the ratchet circumference, separation and reunion pawl groove has separation and reunion contact surface A, the separation and reunion end of separation and reunion pawl have with separation and reunion contact surface A matched. The utility model discloses a separation and reunion pawl on the drive gear and the ratchet move to whether realize that drive gear links the rotation of cam pivot, drive cam, ratchet or not, can help energy storage power mechanism to realize separation and reunion formula energy storage purpose, how to remove or cut off the mechanical energy that energy storage power mechanism provided when the energy storage finishes.
Description
Technical Field
The utility model relates to a separation and reunion camshaft drive mechanism on the circuit breaker combined floodgate control energy storage part especially relates to a separation and reunion camshaft subassembly for on the circuit breaker transmission system.
Background
The circuit breaker is a switching device capable of closing, carrying and breaking current under normal circuit conditions, and can automatically cut off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur. The external part of the circuit breaker is often provided with a control assembly for controlling the closing of the circuit breaker, so as to realize the switching operation for driving the closing and opening protection of the circuit breaker, how to realize the closing control and energy storage of the circuit breaker in the control assembly, provide the energy required for the opening and closing protection of the circuit breaker, especially when the mechanical energy storage is realized through an energy storage power mechanism, how to realize the clutch type energy storage, how to remove or cut off the mechanical energy provided by the energy storage power mechanism when the energy storage is finished, and the technical problem which needs to be solved urgently by an energy storage component of the circuit breaker closing control assembly.
Disclosure of Invention
Weak point to prior art exists, the utility model aims to provide a separation and reunion camshaft subassembly for on circuit breaker transmission system, through separation and reunion pawl groove clutching motion on the separation and reunion pawl on the drive gear and the ratchet to whether realize drive gear linkage cam pivot, drive cam, ratchet rotate or not, can help energy storage power unit to realize separation and reunion formula energy storage purpose, how to remove or cut off the mechanical energy that energy storage power unit provided when the energy storage finishes, have novel structure, the principle is ingenious, advantages such as stable performance.
The purpose of the utility model is realized through the following technical scheme:
a clutch camshaft assembly used on a circuit breaker transmission system comprises a cam rotating shaft, a transmission cam, a transmission gear and a ratchet wheel, wherein the transmission cam and the ratchet wheel are fixedly arranged on the cam rotating shaft in parallel; the ratchet wheel is characterized in that a clutch pawl is rotatably arranged on one side, facing the ratchet wheel, of the transmission gear through a pawl rotating shaft, one end of the clutch pawl is an opening end, the other end of the clutch pawl is a clutch end, the opening end of the clutch pawl is connected with the pawl rotating shaft, a clutch pawl groove matched with the clutch end of the clutch pawl is formed in the circumference of the ratchet wheel, the clutch pawl groove is provided with a clutch contact surface A, and the clutch end of the clutch pawl is provided with a clutch contact surface B matched with the clutch contact surface A.
In order to realize better the utility model discloses, drive gear is fixed with the pawl torsional spring towards ratchet one side, the pawl torsional spring correspondence is located the ratchet circumferential edge, the pawl torsional spring has the compression spring pole, the compression spring pole and the separation and reunion pawl outside surface of pawl torsional spring are corresponding.
Preferably, the open end of the clutch pawl is formed in a triangular shape as a whole.
Preferably, the transmission cam is provided with a cam bottom and a cam top, the cam bottom of the transmission cam is fixed on the cam rotating shaft, and the cam top of the transmission cam is rotatably provided with the cam roller.
Preferably, a flat key B is arranged between the transmission cam and the cam rotating shaft.
Preferably, a flat key A is arranged between the ratchet wheel and the cam rotating shaft.
Preferably, the cam rotating shaft is provided with a limiting annular groove matched with the transmission gear, and the inner side of the transmission gear is rotatably matched and arranged in the limiting annular groove of the cam rotating shaft.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses a separation and reunion motion in separation and reunion pawl groove on the separation and reunion pawl on the drive gear and the ratchet to whether realize drive gear linkage cam pivot, drive cam, ratchet rotation, can help energy storage power unit to realize separation and reunion formula energy storage purpose, how to remove or cut off the mechanical energy that energy storage power unit provided when the energy storage finishes, have advantages such as novel structure, principle are ingenious, stable performance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
fig. 3 is a schematic structural diagram of fig. 2 from another view angle.
Wherein, the names corresponding to the reference numbers in the drawings are:
the device comprises a cam rotating shaft 1, a transmission cam 2, a cam roller 21, a flat key B22, a transmission gear 3, a ratchet wheel 4, a clutch pawl groove 41, a clutch pawl 5, a pawl rotating shaft 51 and a pawl torsion spring 6.
Detailed Description
The present invention will be described in further detail with reference to examples.
As shown in fig. 1 to 3, a clutch cam shaft assembly for a circuit breaker transmission system comprises a cam rotating shaft 1, a transmission cam 2, a transmission gear 3 and a ratchet wheel 4, wherein the transmission cam 2 and the ratchet wheel 4 are fixedly mounted on the cam rotating shaft 1 in parallel, the transmission gear 3 is rotatably mounted on the cam rotating shaft 1, and the transmission gear 3 is located between the transmission cam 2 and the ratchet wheel 4. Drive gear 3 rotates through pawl pivot 51 towards ratchet 4 one side and installs separation and reunion pawl 5, as shown in fig. 1, the utility model discloses a 5 one end of separation and reunion pawl is the opening end, the whole triangle-shaped that is of opening end of separation and reunion pawl 5, the 5 other end of separation and reunion pawl is the separation and reunion end, the opening end and the pawl pivot 51 of separation and reunion pawl 5 are connected, it has the separation and reunion pawl groove 41 of mutually supporting in the separation and reunion end of separation and reunion pawl 5 to open on the 4 circumferences of ratchet, separation and reunion pawl groove 41 has separation and reunion contact surface A, the separation and reunion end of separation and reunion pawl 5.
As shown in fig. 1, a pawl torsion spring 6 is fixed on the side of the transmission gear 3 facing the ratchet wheel 4, the pawl torsion spring 6 is correspondingly positioned on the circumferential edge of the ratchet wheel 4, the pawl torsion spring 6 is provided with a compression spring rod, the compression spring rod of the pawl torsion spring 6 is correspondingly positioned on the outer side surface of the clutch pawl 5, when the clutch pawl 5 is disengaged from the clutch pawl groove 41 of the ratchet wheel 4, the compression spring rod of the pawl torsion spring 6 can press the clutch pawl 5 to prevent the clutch pawl 5 from turning outwards.
As shown in fig. 2, the transmission cam 2 has a cam bottom and a cam top, the cam bottom of the transmission cam 2 is a circular part on the transmission cam 2, the cam top of the transmission cam 2 is a sharp convex part on the transmission cam 2, the cam bottom of the transmission cam 2 is fixed on the cam rotating shaft 1, and the cam top of the transmission cam 2 is rotatably provided with a cam roller 21.
In order to make the connection structure between drive cam 2 and the cam shaft 1 more firm, the utility model discloses a be equipped with flat key B22 between drive cam 2 and the cam shaft 1.
In order to make connection structure between ratchet 4 and the cam shaft 1 more firm, the utility model discloses a be equipped with flat key A between ratchet 4 and the cam shaft 1.
Preferably, the cam rotating shaft 1 of the present embodiment is provided with a limit annular groove matched with the transmission gear 3, and the inner side of the transmission gear 3 is rotatably and fittingly installed in the limit annular groove of the cam rotating shaft 1.
When the transmission gear 3 is used, the transmission gear 3 is driven by an external driving gear to rotate, and in the front section time, the transmission gear 3 idles for a small section on the cam rotating shaft 1 until the clutch pawl 5 on the transmission gear 3 just rotates to the clutch pawl groove 41 of the ratchet wheel 4, at the moment, the clutch pawl 5 is locked with the clutch pawl groove 41, the clutch pawl 5, the transmission gear 3, the ratchet wheel 4, the cam rotating shaft 1 and the transmission cam 2 are linked into a whole, and the transmission gear 3 drives the whole to rotate; in the middle period, the transmission gear 3 drives the clutch pawl 5, the transmission gear 3, the ratchet wheel 4, the cam rotating shaft 1 and the transmission cam 2 to integrally rotate, so that the transmission cam 2 reaches a corresponding position, meanwhile, the clutch pawl 5 also rotates to a corresponding position, a clutch opening shaft arm corresponding to the opening end of the clutch pawl 5 is arranged outside, at the moment, the clutch opening shaft arm correspondingly blocks the opening end of the clutch pawl 5 and enables the opening end of the clutch pawl 5 to rotate, the clutch contact surface B of the clutch pawl 5 is completely separated from the clutch contact surface A of the clutch pawl groove 41, at the moment, the clutch pawl 5 is also separated from the clutch pawl groove 41 of the ratchet wheel 4, and at the moment, the transmission gear 3 restores to idle rotation on the cam rotating shaft 1.
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 (7)
1. A clutched camshaft assembly for use on a circuit breaker drive system, characterized by: the transmission mechanism comprises a cam rotating shaft, a transmission cam, a transmission gear and a ratchet wheel, wherein the transmission cam and the ratchet wheel are fixedly arranged on the cam rotating shaft in parallel, the transmission gear is rotatably arranged on the cam rotating shaft, and the transmission gear is positioned between the transmission cam and the ratchet wheel; the ratchet wheel is characterized in that a clutch pawl is rotatably arranged on one side, facing the ratchet wheel, of the transmission gear through a pawl rotating shaft, one end of the clutch pawl is an opening end, the other end of the clutch pawl is a clutch end, the opening end of the clutch pawl is connected with the pawl rotating shaft, a clutch pawl groove matched with the clutch end of the clutch pawl is formed in the circumference of the ratchet wheel, the clutch pawl groove is provided with a clutch contact surface A, and the clutch end of the clutch pawl is provided with a clutch contact surface B matched with the clutch contact surface A.
2. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 1, wherein: the transmission gear is fixed with a pawl torsion spring towards one side of the ratchet wheel, the pawl torsion spring is correspondingly positioned at the circumferential edge of the ratchet wheel, the pawl torsion spring is provided with a compression spring rod, and the compression spring rod of the pawl torsion spring corresponds to the outer side surface of the clutch pawl.
3. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 2, wherein: the opening end of the clutch pawl is integrally triangular.
4. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 2, wherein: the transmission cam is provided with a cam bottom and a cam top, the cam bottom of the transmission cam is fixed on the cam rotating shaft, and the cam top of the transmission cam is rotatably provided with a cam roller.
5. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 1, wherein: and a flat key B is assembled between the transmission cam and the cam rotating shaft.
6. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 1, wherein: and a flat key A is assembled between the ratchet wheel and the cam rotating shaft.
7. A clutched cam shaft assembly for a circuit breaker drive train as claimed in claim 1, wherein: the cam rotating shaft is provided with a limiting annular groove matched with the transmission gear, and the inner side of the transmission gear is rotatably matched and arranged in the limiting annular groove of the cam rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110990.5U CN211062670U (en) | 2019-11-30 | 2019-11-30 | Clutch camshaft assembly used on circuit breaker transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110990.5U CN211062670U (en) | 2019-11-30 | 2019-11-30 | Clutch camshaft assembly used on circuit breaker transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062670U true CN211062670U (en) | 2020-07-21 |
Family
ID=71593478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922110990.5U Active CN211062670U (en) | 2019-11-30 | 2019-11-30 | Clutch camshaft assembly used on circuit breaker transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211062670U (en) |
-
2019
- 2019-11-30 CN CN201922110990.5U patent/CN211062670U/en active Active
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