CN113958683B - Jaw type hand-operated device of electric actuator - Google Patents
Jaw type hand-operated device of electric actuator Download PDFInfo
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- CN113958683B CN113958683B CN202111255113.2A CN202111255113A CN113958683B CN 113958683 B CN113958683 B CN 113958683B CN 202111255113 A CN202111255113 A CN 202111255113A CN 113958683 B CN113958683 B CN 113958683B
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- sliding gear
- rotating shaft
- gear
- electric actuator
- sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/24—Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The embodiment of the application discloses a jaw type hand-operated device of an electric actuator, wherein a rotating shaft is sleeved with a spring, a sliding gear and a rocker arm, a sleeve is arranged outside the sliding gear and the rotating shaft, and a handle is arranged at the end part of the rocker arm; a tooth key is arranged on one end face of a gear part of the sliding gear, and the end face of the sliding shaft is a spiral surface; the rotating shaft is provided with a screw, the sliding gear is sleeved on the rotating shaft, and the spiral surface and the screw are provided with matching end surfaces; the end face of the sleeve is provided with a tooth groove, the sleeve is sleeved outside the sliding gear, and a spring is sleeved outside a shaft body at one end of the rotating shaft, so that a tooth key at the end face of the gear part is clamped and embedded into the tooth groove at the opposite end face of the sleeve, and a screw of the rotating shaft is positioned at the low point position of the spiral surface; the differential gear train is sleeved on the electric actuator and meshed with the gear part of the sliding gear. The embodiment of the application solves the problems of large volume, heavy weight, large operation space, complex operation mode and the like of the traditional equipment for completing the manual operation of the electric actuator.
Description
Technical Field
The application relates to the technical field of mechanical hand-operated devices, in particular to a jaw-type hand-operated device of an electric actuator.
Background
In order to meet the task reliability of the electric actuator in an emergency state, a motor drives a speed reducer to realize the function of the electric actuator under normal conditions.
The electric actuators at important parts of the aircraft all need the function of emergency measures, and the emergency modes are as follows: the function of the electric actuator can be completed through manual operation in an emergency state, and the existing equipment for completing the manual operation of the electric actuator is large in size and heavy in weight, so that a large operation space is required, and the operation mode is complex.
Disclosure of Invention
The purpose of the application is that: the application provides a jaw type hand-operated device of an electric actuator, which aims to solve the problems that the existing equipment for completing the manual operation of the electric actuator is large in size and heavy in weight, so that a large operation space is required, the operation mode is complex and the like.
The technical scheme of the application is as follows:
the embodiment of the application provides a jaw hand-operated device of an electric actuator, which has a locking state and an emergency working state; the jaw hand-operated device includes: the device comprises a handle 1, a rocker arm 2, a sleeve 4, a rotating shaft 5, a sliding gear 6, a spring 7 and a differential gear train 11;
the rotating shaft 5 is sequentially sleeved with a spring 7, a sliding gear 6 and a rocker arm 2, the sleeve 4 is sleeved outside the sliding gear 6 and the rotating shaft 5, and the handle 1 is arranged at the end part of the rocker arm 2;
the sliding gear 6 comprises a gear part 6b and a sliding shaft 6a which is perpendicular to the gear part 6b, a tooth key is arranged on the end surface of the gear part 6b, which is positioned on one side of the sliding shaft 6a, the end surface of the sliding shaft 6a is provided with a spiral surface 6d, and a boss 6c is arranged on the spiral surface 6 d; a screw 5b is arranged in the middle of a shaft body 5a of the rotating shaft 5, a sliding gear 6 is sleeved on the shaft body 5a of the rotating shaft 5 through a middle through hole of the sliding gear, and a boss 6c on a spiral surface 6d is matched with the screw 5 b;
the sleeve 4 is sleeved outside the rotating shaft 5 and one side of the sliding gear 6 with the sliding shaft 6a, and the rotating shaft 5 passes through one end shaft body 5a of the sliding gear 6 and is sleeved with a spring 7 for providing a pressing force for the sliding gear 6, so that the tooth key of the end face of the gear part 6b is clamped and embedded into the tooth groove of the opposite end face of the sleeve 4, and the screw 5b of the rotating shaft 5 is positioned at the low point position of the spiral surface 6 d; the differential gear train 11 is sleeved on the electric actuator and meshed with the gear part 6b of the sliding gear 6.
Alternatively, in a jaw hand-held device of an electric actuator as described above,
the movement form of the sliding gear 6 comprises: along the axis of the shaft 5, and rotates about the axis of the shaft 5;
the spiral surface 6d on the sliding gear 6 consists of a left half spiral surface and a right half spiral surface, a boss 6c is arranged at the highest point of the spiral surface 6d, and the rotating shaft 5 is in a locking state through the interference and clamping of the boss 6c and the screw 5b on the rotating shaft 5.
Optionally, in the jaw hand-operated device of the electric actuator as described above, further comprising: and the bearing seat 3 is arranged between the sleeve 4 and the rocker arm 2 and is used for supporting the rotating shaft 5.
Optionally, in the jaw hand-operated device of the electric actuator as described above, further comprising: a spring holder 8 provided to an end of the spring 7 and an end cap 9;
the end cover 9 is provided with two mounting hole sites which are respectively sleeved at the end part of the rotating shaft 5 and one end of an output shaft 10 of the electric actuator.
Alternatively, in a jaw hand-held device of an electric actuator as described above,
the jaw hand-operated device is in a locking state when the electric actuator is in a normal working state, and is unlocked by rotating the handle 1 when the electric actuator enters an emergency working state, so that the electric actuator enters the emergency working state.
Alternatively, in a jaw hand-held device of an electric actuator as described above,
the jaw hand-operated device is in a locking state: when the electric actuator is electrically operated, the sliding gear 6 is enabled to be embedded into the middle of the tooth groove on the matching end face of the sleeve 4 under the acting force of the spring 7, the sleeve 4 is fixed with the bearing seat 3, the sliding gear 6 is enabled to be fixed along with the sleeve, and therefore the jaw type hand-operated device is in a locking state.
Alternatively, in a jaw hand-held device of an electric actuator as described above,
the jaw hand-operated device is in an emergency working state and is: when the electric actuator needs manual output in an emergency, torque is transmitted from the rocker arm 2 to the rotating shaft 5 by rotating the handle 1, the rotating shaft 5 enables a tooth key in the sliding gear 6 to be separated from a tooth groove in the matching end surface of the sleeve 4 through the spring 7, and then the rotating shaft 5 drives the sliding gear 6 to rotate, so that the torque is transmitted from the sliding gear 6.
Alternatively, in a jaw hand-held device of an electric actuator as described above,
when the handle 1 rotates forwards or reversely, the tooth keys on the sliding gear 6 of the jaw type hand-operated device are separated from the tooth grooves in the matching end surface of the sleeve 4, so that torque transmission is realized.
The application has the advantages that:
the embodiment of the application provides a jaw hand-operated device of an electric actuator, which is suitable for a novel jaw hand-operated device in a limited space, and specifically comprises the following components: the device comprises a handle 1, a rocker arm 2, a sleeve 4, a rotating shaft 5, a sliding gear 6, a spring 7, an end cover 9 and a differential gear train 11, wherein through the matching relationship between a spiral surface 6d of a sliding shaft 6a in the sliding gear 6 and a screw 5b in the rotating shaft 5, through the matching relationship between a tooth key on the end surface of a gear part 6b and a tooth groove on the opposite end surface of the sleeve 4, and through the meshing relationship between the gear part 6b of the sliding gear 6 and the differential gear train 11 sleeved on a point actuator; the jaw type hand-operated device is in a locking state and an emergency working state, on one hand, the jaw type hand-operated device is in the locking state when the electric actuator is in a normal working state, and on the other hand, the jaw type hand-operated device is unlocked by rotating the handle 1 when the electric actuator enters the emergency working state, so that the electric actuator enters the emergency working state. The jaw type hand-operated device of the electric actuator can effectively prevent single-point failure faults of the motor, greatly improves the task reliability of the electric actuator, has simple and reliable structure and flexible and convenient operation, and can be widely applied to manual devices in emergency states.
Description of the drawings:
FIG. 1 is a schematic view of a manual hand-held device with a jaw actuator according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a sliding gear in a jaw type hand-operated device of an electric actuator according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an end face of a gear portion with tooth keys in the sliding gear according to the embodiment shown in FIG. 2;
FIG. 4 is a schematic view of a structure of a rotating shaft in a jaw-type hand-operated device of an electric actuator according to an embodiment of the present application;
fig. 5 is a schematic structural view of a sleeve in a jaw-type hand-operated device of an electric actuator according to an embodiment of the present application.
The specific embodiment is as follows:
for the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
In order to meet the convenience of manual operation in an emergency state and the requirement of reducing volume and weight in a limited space, a novel jaw type hand-operated device of an electric actuator is urgently needed at present.
The following specific embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 1 is a schematic structural diagram of a jaw hand-operated device of an electric actuator according to an embodiment of the present application. As shown in fig. 1, the jaw hand-operated device provided in the embodiment of the present application may include: handle 1, rocking arm 2, sleeve 4, pivot 5, sliding gear 6, spring 7, differential gear train 11.
In the jaw hand shaking device shown in fig. 1, a spring 7, a sliding gear 6 and a rocker arm 2 are sequentially sleeved on a rotating shaft 5, a sleeve 4 is sleeved outside the sliding gear 6 and the rotating shaft 5, and a handle 1 is installed at the end part of the rocker arm 2.
Fig. 2 is a schematic structural view of a sliding gear in a jaw type hand-operated device of an electric actuator according to an embodiment of the present application, and fig. 3 is a schematic structural view of an end face of a gear portion having a tooth key in the sliding gear according to the embodiment shown in fig. 2. Referring to fig. 2 and 3, the sliding gear 6 in the embodiment of the present application includes a gear portion 6b and a sliding shaft 6a provided perpendicular to the gear portion 6b, the end surface of the gear portion 6b on one side of the sliding shaft 6a is provided with a tooth key, the end surface of the sliding shaft 6a is provided with a spiral surface 6d, and the spiral surface 6d is provided with a boss 6c.
Fig. 4 is a schematic structural diagram of a rotating shaft in a jaw type hand-operated device of an electric actuator according to an embodiment of the present application. As shown in fig. 4, a screw 5b is disposed in the middle of a shaft body 5a of the rotating shaft 5 in the embodiment of the present application, and a sliding gear 6 is sleeved on the shaft body 5a of the rotating shaft 5 through a middle through hole thereof, so that a boss 6c on a spiral surface 6d is mounted in cooperation with the screw 5 b.
Fig. 5 is a schematic structural view of a sleeve in a jaw-type hand-operated device of an electric actuator according to an embodiment of the present application. As shown in fig. 5, opposite end surfaces of the sleeve 4 and the sliding gear 6 in the embodiment of the application are provided with tooth grooves matched and clamped with tooth keys; the sleeve 4 is sleeved on one side of the sliding gear 6 with the sliding shaft 6a and the outside of the rotating shaft 5, the rotating shaft 5 passes through the outside of the shaft body 5a at one end of the sliding gear 6 and is sleeved with a spring 7 for providing a pressing force for the sliding gear 6, so that tooth keys at the end face of the gear part 6b are clamped and embedded into tooth grooves at the opposite end face of the sleeve 4, and the screw 5b of the rotating shaft 5 is positioned at the low point position of the spiral surface 6 d; the differential gear train 11 is fitted over the electric actuator and meshed with the gear portion 6b of the slipping gear 6.
Based on the specific structure of the jaw hand-operated device provided by the embodiment of the application, the jaw hand-operated device has a locking state and an emergency working state. Specifically, the electric actuator is in a locked state when in a normal working state, and the jaw type hand-operated device is unlocked by rotating the handle 1 when the electric actuator enters an emergency working state, so that the electric actuator enters the emergency working state.
The jaw type hand-operated device of the electric actuator provided by the embodiment of the application is particularly a hand-operated grabbing device used in an emergency state configured for the electric actuator, and the jaw type hand-operated device is in a locking state and does not need to work in a normal working state of the electric actuator; the manual operation can be carried out by adopting the jaw type hand-operated device when the emergency measure of the electric actuator is in an emergency state, so that the normal function of the output torque of the electric actuator is realized.
In the embodiment of the application, when the electric actuator is in normal operation, the motor 12 drives the output shaft 10, the jaw type hand-operated device is in a locking state, a clutch in the motor 12 is disengaged, and the motor 12 drives the speed reducer to transmit torque from the output shaft 10; in an emergency state of the electric actuator, the clutch of the motor 12 is engaged, the motor is braked, the handle 1 is rotated to unlock the hand shaking device and drive the differential gear train 11 to rotate, and finally, the torque is output from the output shaft 10.
In one implementation of the embodiment of the application, the movement pattern of the slipping gear 6 comprises: along the axis of the shaft 5, and rotates about the axis of the shaft 5.
In addition, the spiral surface 6d on the sliding gear 6 is composed of a left half spiral surface and a right half spiral surface, a boss 6c is arranged at the highest point of the spiral surface 6d, and the rotating shaft 5 is in a locking state through the interference and the clamping of the boss 6c and the screw 5b on the rotating shaft 5.
Based on the movement form of the sliding gear 6 and the locking matching relation of the sliding gear 6 and the screw 5b on the rotating shaft 5, namely through the interference and clamping of the boss 6c and the screw 5b, the rotating shaft 5 can be locked by the sliding gear 6 through the screw 5b, so that the jaw type hand-operated device is locked.
In one implementation of the embodiment of the present application, the jaw hand-held device further includes: and the bearing seat 3 is arranged between the sleeve 4 and the rocker arm 2 and is used for supporting the rotating shaft 5, and the bearing seat 3 has a stability effect.
Further, the jaw hand-operated device further includes: a spring holder 8 is provided at the end of the spring 7, as well as an end cap 9.
The end cover 9 of the embodiment of the application is provided with two mounting hole sites which are respectively sleeved at the end part of the rotating shaft 5 and one end of an output shaft 10 of the electric actuator; the jaw hand device and the point actuator can be fixed in position through the end cover 9, so that the jaw hand device and the point actuator have more reliable and stable matching structures.
The following specifically describes the working modes and the action principles of the jaw hand-operated device provided by the embodiment of the application in two states:
1, locked state: the action principle of the jaw type hand-operated device in a locking state is that when the electric actuator is in an electric state, the sliding gear 6 enables a tooth key on the sliding gear 6 to be embedded in the middle of a tooth groove on the matching end surface of the sleeve 4 under the acting force of the spring 7, the sleeve 4 is fixed with the bearing seat 3, and the sliding gear 6 is fixed along with the sleeve, so that the jaw type hand-operated device is in the locking state.
2, emergency working state: the action principle of the jaw type hand-operated device in an emergency working state is that when an electric actuator needs manual output in an emergency, torque is transmitted from a rocker arm 2 to a rotating shaft 5 by rotating a handle 1, the rotating shaft 5 enables a tooth key in a sliding gear 6 to be separated from a tooth groove in the matching end surface of a sleeve 4 through a spring 7, and then the rotating shaft 5 drives the sliding gear 6 to rotate, so that the torque is transmitted from the sliding gear 6.
It should be noted that, the handle 1 in the embodiment of the present application may rotate forward or reverse, and the functions achieved are the same, that is, both the forward and reverse rotation of the handle 1 may disengage the tooth key on the sliding gear 6 of the jaw hand-operated device from the tooth groove in the mating end surface of the sleeve 4, so as to achieve torque transmission.
The embodiment of the application provides a novel jaw hand-operated device of an electric actuator, which is suitable for a limited space, and specifically comprises the following components: the device comprises a handle 1, a rocker arm 2, a sleeve 4, a rotating shaft 5, a sliding gear 6, a spring 7, an end cover 9 and a differential gear train 11, wherein through the matching relationship between a spiral surface 6d of a sliding shaft 6a in the sliding gear 6 and a screw 5b in the rotating shaft 5, through the matching relationship between a tooth key on the end surface of a gear part 6b and a tooth groove on the opposite end surface of the sleeve 4, and through the meshing relationship between the gear part 6b of the sliding gear 6 and the differential gear train 11 sleeved on a point actuator; the jaw type hand-operated device is in a locking state and an emergency working state, on one hand, the jaw type hand-operated device is in the locking state when the electric actuator is in a normal working state, and on the other hand, the jaw type hand-operated device is unlocked by rotating the handle 1 when the electric actuator enters the emergency working state, so that the electric actuator enters the emergency working state. The jaw type hand-operated device of the electric actuator can effectively prevent single-point failure faults of the motor, greatly improves the task reliability of the electric actuator, has simple and reliable structure and flexible and convenient operation, and can be widely applied to manual devices in emergency states.
The following specifically describes the operation mode and the operation principle of the jaw type hand-operated device of the electric actuator provided by the embodiment of the application.
In the normal working state of the point actuator, as the lift angle of the spiral surface 6d in the sliding gear 6 is larger and larger than the spiral self-locking angle, and the bushing 5c of the screw 5b on the rotating shaft 5 can freely rotate around the central shaft of the screw 5b, the sliding gear 6 presses the bushing 5c to rotate towards the lowest point of the slope 6d under the pre-pressure of the spring 7, at the moment, the tooth key on the sliding gear 6 is embedded between the tooth grooves in the sleeve 4, and the hand shaking device is in a locking state.
In an emergency state, the point actuator rotates the handle 1 to enable torque to be transmitted to the rotating shaft 5 from the rocker arm 2, the bush 5c on the rotating shaft 5 moves along the spiral surface 6d on the sliding gear 6, the bush 5c simultaneously extrudes the sliding gear 6 in the moving process of the spiral surface 6d to enable the sliding gear to compress the spring 7 and move along the axis of the rotating shaft 5, when the bush 5c moves to the highest point of the spiral surface along the spiral surface 6d on the sliding gear 6, the bush 5c is in contact with the boss 6c on the sliding gear 6, at the moment, the moving distance of the sliding gear 6 along the axis reaches the maximum, teeth on the sliding gear 6 and teeth on the sleeve 4 are separated, and the hand shaking device is unlocked.
When the jaw hand-operated device is locked and the bush 5c moves to the highest point of the spiral surface along the spiral surface 6d on the sliding gear 6, the bush 5c can only drive the sliding gear 6 to rotate and output torque when the handle 1 is continuously rotated.
The spiral surface 6d on the sliding gear 6 is composed of two half spiral surfaces with different spiral directions, so that the hand-operated device can be unlocked by turning the handle forward and backward, and torque is output.
Although the embodiments of the present application are described above, the embodiments are only used for facilitating understanding of the present application, and are not intended to limit the present application. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.
Claims (8)
1. The jaw type hand-operated device of the electric actuator is characterized by comprising a locking state and an emergency working state; the jaw hand-operated device includes: the device comprises a handle (1), a rocker arm (2), a sleeve (4), a rotating shaft (5), a sliding gear (6), a spring (7) and a differential gear train (11);
the rotating shaft (5) is sequentially sleeved with a spring (7), a sliding gear (6) and a rocker arm (2), the sleeve (4) is sleeved outside the sliding gear (6) and the rotating shaft (5), and the handle (1) is arranged at the end part of the rocker arm (2);
the sliding gear (6) comprises a gear part (6 b) and a sliding shaft (6 a) which is perpendicular to the gear part (6 b), a tooth key is arranged on the end face of the gear part (6 b) positioned on one side of the sliding shaft (6 a), the end face of the sliding shaft (6 a) is provided with a spiral surface (6 d), and a boss (6 c) is arranged on the spiral surface (6 d); a screw (5 b) is arranged in the middle of a shaft body (5 a) of the rotating shaft (5), a sliding gear (6) is sleeved on the shaft body (5 a) of the rotating shaft (5) through a middle through hole of the sliding gear, and a boss (6 c) on a spiral surface (6 d) is matched with the screw (5 b);
the sleeve (4) and the sliding gear (6) are provided with tooth grooves matched and clamped with the tooth keys, the sleeve (4) is sleeved on one side of the sliding gear (6) with the sliding shaft (6 a) and the outside of the rotating shaft (5), the rotating shaft (5) penetrates through one end shaft body (5 a) of the sliding gear (6) and is sleeved with a spring (7) for providing a pressing force for the sliding gear (6), so that the tooth keys on the end face of the gear part (6 b) are clamped and embedded into the tooth grooves on the opposite end face of the sleeve (4), and a screw (5 b) of the rotating shaft (5) is located at the low point position of the spiral face (6 d); the differential gear train (11) is sleeved on the electric actuator and meshed with the gear part (6 b) of the sliding gear (6).
2. The actuator dog hand-held device of claim 1, wherein the actuator dog hand-held device comprises a handle,
the movement form of the sliding gear (6) comprises: along the axis of the shaft (5) and rotates about the axis of the shaft (5);
spiral surface (6 d) on sliding gear (6) comprises two left and right half spiral surfaces, and the highest point of spiral surface (6 d) is provided with boss (6 c), through boss (6 c) and the conflict block of screw (5 b) on pivot (5) for pivot (5) are in the locking state.
3. The electric actuator of claim 2, further comprising: and the bearing seat (3) is arranged between the sleeve (4) and the rocker arm (2) and is used for supporting the rotating shaft (5).
4. The electric actuator of claim 3, further comprising: a spring holder (8) provided at the end of the spring (7), and an end cap (9);
the end cover (9) is provided with two mounting holes which are respectively sleeved at the end part of the rotating shaft (5) and one end of an output shaft (10) of the electric actuator.
5. The actuator jaw hand-held device according to any one of claim 1 to 4, wherein,
the jaw hand-operated device is in a locking state when the electric actuator is in a normal working state, and is unlocked by rotating the handle (1) when the electric actuator enters an emergency working state, so that the electric actuator enters the emergency working state.
6. The actuator of claim 5, wherein the actuator comprises a handle, wherein the handle comprises a handle portion,
the jaw hand-operated device is in a locking state: when the electric actuator is electrically operated, the sliding gear (6) is enabled to be embedded into the middle of a tooth groove on the matching end face of the sleeve (4) under the acting force of the spring (7), the sleeve (4) is fixed with the bearing seat (3), and the sliding gear (6) is enabled to be fixed along with the sleeve, so that the jaw type hand-operated device is in a locking state.
7. The actuator of claim 5, wherein the actuator comprises a handle, wherein the handle comprises a handle portion,
the jaw hand-operated device is in an emergency working state and is: when the electric actuator needs manual output in an emergency, torque is transmitted from the rocker arm (2) to the rotating shaft (5) by rotating the handle (1), the rotating shaft (5) enables a tooth key in the sliding gear (6) to be separated from a tooth groove in the matching end face of the sleeve (4) through the spring (7), and then the rotating shaft (5) drives the sliding gear (6) to rotate, so that the torque is transmitted from the sliding gear (6).
8. The actuator jaw hand-held device of claim 6 or 7, wherein,
when the handle (1) rotates forwards or reversely, the tooth keys on the sliding gear (6) of the jaw type hand-operated device are separated from the tooth grooves in the matching end surface of the sleeve (4), so that torque transmission is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255113.2A CN113958683B (en) | 2021-10-27 | 2021-10-27 | Jaw type hand-operated device of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255113.2A CN113958683B (en) | 2021-10-27 | 2021-10-27 | Jaw type hand-operated device of electric actuator |
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| CN113958683A CN113958683A (en) | 2022-01-21 |
| CN113958683B true CN113958683B (en) | 2023-08-15 |
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| CN2849337Y (en) * | 2005-10-18 | 2006-12-20 | 曹相照 | Forced locking differential mechanism |
| CN101571183A (en) * | 2008-04-29 | 2009-11-04 | 北京航天发射技术研究所 | Jaw self-locking skidproof differential mechanism |
| CN101700740A (en) * | 2009-10-26 | 2010-05-05 | 北京航天发射技术研究所 | Disconnected three-pass-through drive axle central reducer used for vehicles |
| CN101871529A (en) * | 2010-06-01 | 2010-10-27 | 太原科技大学 | Automatic anti-slip tooth-embed cone gear differential mechanism |
| CN203248809U (en) * | 2013-05-10 | 2013-10-23 | 常州兰陵自动化设备有限公司 | Electric valve actuator with manual operation switch-off motor loop structure |
| CN204512310U (en) * | 2015-03-19 | 2015-07-29 | 中国石油大学(华东) | A kind of Lever type periodically changement |
| CN112196962A (en) * | 2020-09-22 | 2021-01-08 | 兰州万里航空机电有限责任公司 | Hand-cranking device of electric mechanism |
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| CN113958683A (en) | 2022-01-21 |
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