CN212445321U - Overload protection type steering engine and robot - Google Patents
Overload protection type steering engine and robot Download PDFInfo
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- CN212445321U CN212445321U CN202020884955.9U CN202020884955U CN212445321U CN 212445321 U CN212445321 U CN 212445321U CN 202020884955 U CN202020884955 U CN 202020884955U CN 212445321 U CN212445321 U CN 212445321U
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Abstract
The utility model provides an overload protection formula steering wheel and robot relates to the robotechnology field. The overload protection type steering engine comprises a gear transmission mechanism, a motor and a control device, wherein the gear transmission mechanism comprises the motor and is used for providing driving torque for the steering engine; the intermediate transmission gear assembly comprises an input end and an output end, and the input end is in transmission connection with an output shaft of the motor; the main output shaft is in transmission connection with the output end of the intermediate transmission gear assembly; the overload protection mechanism is used for enabling the rotating speed of the main output shaft to be lower than the rotating speed of the output end of the intermediate transmission gear assembly when the external resistance exceeds a limit value; and the box body is provided with a chamber for accommodating the motor, the intermediate transmission gear assembly and the overload protection mechanism. The robot controller comprises the overload protection type steering engine. The utility model discloses an overload protection formula steering wheel and robot can carry out overload protection to the steering wheel under the too big condition of steering wheel external resistance, avoid the motor stalling to burn out.
Description
Technical Field
The utility model relates to the technical field of robot, specifically an overload protection formula steering wheel and robot.
Background
The steering engine is a position servo driver, is suitable for control systems which need to change and keep angles constantly, is used for realizing the steering function of a ship at first, and can be widely applied to an intelligent trolley to realize steering and various joint motions of a robot because the turning angle of the intelligent trolley can be continuously controlled through a program. When the load of steering wheel was too big, when exceeding the driving force of motor, the motor can't drive the load and rotate, at this moment can appear the locked rotor condition, and a long motor of locked rotor time will burn out because the electric current is too big.
Disclosure of Invention
In view of this, the utility model provides an overload protection formula steering wheel and robot for solve current steering wheel and the robot that has set up the steering wheel and cause the technical problem that the motor damaged under the too big condition of load.
In a first aspect, the present invention provides an overload protection type steering engine, including:
the motor is used for providing driving torque for the steering engine;
the intermediate transmission gear assembly comprises an input end and an output end, and the input end is in transmission connection with an output shaft of the motor;
the main output shaft is in transmission connection with the output end of the intermediate transmission gear assembly;
the overload protection mechanism is used for enabling the rotating speed of the main output shaft to be lower than the rotating speed of the output end of the intermediate transmission gear assembly when the external resistance exceeds a limit value;
and the box body is provided with a chamber for accommodating the motor, the intermediate transmission gear assembly and the overload protection mechanism.
Preferably, the overload protection mechanism comprises a clutch main tooth and a clutch auxiliary tooth, the clutch main tooth is meshed with the output end of the intermediate transmission gear assembly, the clutch auxiliary tooth is connected with the main output shaft in a synchronous rotating mode, a first corrugated surface is arranged at one end, facing the transmission part, of the clutch main tooth, and a second corrugated surface matched with the first corrugated surface is arranged at one end, facing the clutch main tooth, of the clutch auxiliary tooth.
Preferably, the overload protection mechanism further comprises an elastic pressing mechanism, and the elastic pressing mechanism is used for pressing the second corrugated surface of the clutch auxiliary tooth onto the first corrugated surface of the clutch main tooth through elastic force when the steering engine works normally.
Preferably, the elastic pressing mechanism comprises a spring and a pressing piece, the pressing piece is installed at a preset position in the axial direction of the main output shaft, the clutch main tooth, the clutch auxiliary tooth and the pressing piece are sequentially arranged in the axial direction of the main output shaft, one end of the spring is abutted to the pressing piece, and the other opposite end of the spring is abutted to one end, back to the clutch main tooth, of the clutch auxiliary tooth.
Preferably, overload protection mechanism still includes threaded connection spare, threaded connection spare is provided with the external screw thread, main output shaft be provided with the internal thread that the external screw thread matches, threaded connection spare and main output shaft pass through internal thread and external screw thread connection, it installs the preset position at main output shaft axial direction through threaded connection spare to compress tightly the piece.
Preferably, a limiting ring is arranged on the main output shaft, and one end of the clutch main gear is abutted to the limiting ring.
Preferably, the intermediate transmission gear assembly comprises a motor gear, a primary gear, a secondary gear and a tertiary gear, the motor gear is in transmission connection with an output shaft of the motor, the motor gear is meshed with the primary gear, the primary gear is meshed with the secondary gear, the tertiary gear is meshed with the secondary gear, and the tertiary gear is in transmission connection with the overload protection mechanism.
Preferably, the device further comprises a control circuit and a potentiometer, wherein the potentiometer is electrically connected with the control circuit, and a transmission shaft of the potentiometer is in transmission connection with the main output shaft.
Preferably, the box appearance is the cuboid, the box is including upper cover, well lid and the lower cover that can dismantle, the upper cover lid is established in well lid top, the lower cover lid is established in the below of lid.
In a second aspect, the present invention provides a robot, wherein the robot comprises the overload protection type steering engine of the first aspect.
Has the advantages that: the utility model discloses an overload protection formula steering wheel and robot are through the overload protection mechanism who sets up, make the steering wheel form the transmission between normal during operation intermediate drive gear subassembly and the main output shaft and connect, and the power of motor can be through the synchronous transmission main output shaft of intermediate drive gear subassembly to drive main output shaft rotates according to the rotational speed of settlement. When the external resistance is too large and exceeds the limited torque, the rotating speed of the overload protection mechanism and the main output shaft is lower than that of the output end of the intermediate transmission gear assembly, so that the phenomenon that the external resistance is transmitted to the motor to cause the motor to be locked and burnt is effectively avoided.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.
Fig. 1 is a sectional view of the overload protection steering engine of the present invention;
FIG. 2 is a cross-sectional view of the overload protection mechanism of the overload protection steering engine of the present invention;
fig. 3 is a schematic structural view of the clutch main teeth and the clutch auxiliary teeth of the present invention;
FIG. 4 is an exploded view of the overload protection steering engine of the present invention;
FIG. 5 is a three-dimensional outline view of the overload protection steering engine of the present invention;
fig. 6 is a top view of the overload protection steering engine of the present invention.
Parts and numbering in the drawings: the overload protection device comprises a main output shaft 10, an intermediate transmission gear assembly 20, a motor gear 21, a primary gear 22, a secondary gear 23, a tertiary gear 24, a motor 30, an overload protection mechanism 40, a clutch main tooth 41, a first corrugated surface 411, a clutch auxiliary tooth 42, a second corrugated surface 421, a spring 43, a pressing piece 44, a threaded connecting piece 45, a box body 50, an upper cover 51, a middle cover 52, a lower cover 53, a potentiometer 60, a transmission shaft 61, a control circuit 70, a first bearing 81 and a second bearing 82.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.
Example 1:
as shown in fig. 1, the present embodiment provides an overload protection type steering engine, including a motor 30, an intermediate transmission gear assembly 20, a main output shaft 10, an overload protection mechanism 40, and a box 50, where the motor 30 is configured to provide a driving torque for the steering engine; the intermediate transmission gear assembly 20 comprises an input end and an output end, and the input end is in transmission connection with an output shaft of the motor 30; the main output shaft 10 is in transmission connection with the output end of the intermediate transmission gear assembly 20; the overload protection mechanism 40 is used for enabling the rotating speed of the main output shaft 10 to be lower than the rotating speed of the output end of the intermediate transmission gear assembly 20 when the external resistance exceeds a limit value; the case 50 is provided with a chamber for accommodating the motor 30, the intermediate transmission gear assembly 20, and the overload protection mechanism 40.
In the embodiment, the motor 30 drives the output shaft to rotate to drive the gears in the intermediate transmission gear assembly 20 to rotate, the intermediate transmission gear assembly 20 has a preset transmission ratio, and the rotating speed and the torque of the output shaft of the motor 30 are transmitted to the main output shaft 10 for output after being converted through the preset transmission ratio of the intermediate transmission gear assembly 20.
One end of the overload protection mechanism 40 is in transmission connection with the output end of the intermediate transmission gear assembly 20, and the other end is in transmission connection with the main output shaft 10. When the steering engine normally works, the intermediate transmission gear assembly 20 and the main output shaft 10 are in transmission connection through the overload protection mechanism 40, at this time, the rotation converted by the intermediate transmission gear assembly 20 is transmitted to the main output shaft 10 from the output end of the intermediate transmission gear assembly 20 through the overload protection mechanism 40, the rotating speed of the main output shaft 10 is the same as that of the intermediate transmission gear assembly, and the main output shaft 10 synchronously rotates under the driving of the intermediate transmission.
As shown in fig. 2, when the external resistance is too large to exceed the limited torque, the rotation speed of the main output shaft 10 is slowed down by the load, and the overload protection mechanism 40 starts to act, so that the end of the overload protection mechanism in transmission connection with the output end of the intermediate transmission gear assembly 20 is separated from the end of the overload protection mechanism in transmission connection with the main output shaft 10 to a certain extent, and the rotation speed of the main output shaft 10 is lower than that of the output end of the intermediate transmission gear assembly 20. Therefore, although the rotating speed of the main output shaft 10 is reduced, the output ends of the main output shaft 10 and the intermediate transmission gear assembly 20 do not synchronously rotate any more, and the output end of the intermediate transmission gear assembly 20 is always higher than the main output shaft 10, so that the condition that the steering engine is locked to rotate due to the reduction of the rotating speed of the main output shaft 10 is avoided.
The case 50 in this embodiment is mainly used to mount and place the intermediate transmission gear assembly 20 and the overload protection mechanism 40, wherein one end of the main output shaft 10 connected to the load is exposed outside the case 50, and the opposite end is located inside the case 50.
As shown in fig. 2 and 3, in the present embodiment, the overload protection mechanism 40 includes a clutch main tooth 41 and a clutch auxiliary tooth 42, the clutch main tooth 41 is engaged with the output end of the intermediate transmission gear assembly 20, the clutch auxiliary tooth 42 is connected with the main output shaft 10 in a synchronous rotation manner, one end of the clutch main tooth 41 facing the transmission member is provided with a first corrugated surface 411, and one end of the clutch auxiliary tooth 42 facing the clutch main tooth 41 is provided with a second corrugated surface 421 matched with the first corrugated surface 411.
When the steering engine normally works, the first corrugated surface 411 and the second corrugated surface 421 are in a joint state, the clutch main tooth 41 drives the clutch auxiliary tooth 42 to synchronously rotate through the friction force between the first corrugated surface 411 and the second corrugated surface 421, which are mutually jointed, and the clutch auxiliary tooth 42 and the main output shaft 10 also synchronously rotate, so that the rotation of the output end of the intermediate transmission gear assembly 20 can be smoothly transmitted to the main output shaft 10.
When the external resistance is too large, so that the torque acting on the clutch secondary tooth 42 is larger than the friction force between the two corrugated surfaces, the overload protection mechanism 40 starts to act, and the first corrugated surface 411 of the clutch primary tooth 41 and the second corrugated surface 421 of the transmission member generate relative rotation under the driving of the external torque, so that the rotating speed of the clutch secondary tooth 42 is in contact with the rotating speed of the clutch primary tooth 41.
In order to enable the clutch auxiliary teeth 42 and the clutch main teeth 41 to rotate synchronously when the steering engine works normally, in this embodiment, the overload protection mechanism 40 further includes an elastic pressing mechanism, and the elastic pressing mechanism is used for pressing the second corrugated surfaces 421 of the clutch auxiliary teeth 42 onto the first corrugated surfaces 411 of the clutch main teeth 41 through elastic force when the steering engine works normally.
When the steering engine works normally, the elastic pressing mechanism generates a certain elastic force, and the elastic force provides positive pressure for the clutch auxiliary teeth 42 to press the second corrugated surface 421 on the first corrugated surface 411. When the external torque is smaller than the threshold value during overload, the positive pressure enables the friction force between the clutch main teeth 41 and the clutch auxiliary teeth 42 to drive the clutch main teeth 41 and the clutch auxiliary teeth 42 to synchronously rotate together.
When the external resistance is too large, the first corrugated surface 411 and the second corrugated surface 421 rotate relatively, and the corrugated surfaces have inclined planes inclined along the axial direction of the main output shaft 10, so that once the first corrugated surface 411 and the second corrugated surface 421 rotate relatively, the clutch auxiliary teeth 42 move along the inclined planes in the direction away from the clutch main teeth 41, so that the clutch auxiliary teeth 42 are gradually separated from the clutch main teeth 41, the resistance applied to the main output shaft 10 cannot be transmitted to the output end of the intermediate transmission gear assembly 20, and the steering engine is effectively prevented from being locked.
The elastic pressing mechanism comprises a spring 43 and a pressing piece 44, the pressing piece 44 is installed at a preset position in the axial direction of the main output shaft 10, the clutch main tooth 41, the clutch auxiliary tooth 42 and the pressing piece 44 are sequentially arranged along the axial direction of the main output shaft 10, one end of the spring 43 is abutted to the pressing piece 44, and the other opposite end of the spring 43 is abutted to one end, opposite to the clutch main tooth 41, of the clutch auxiliary tooth 42.
In this embodiment, the spring 43 is located between the pressing member 44 and the clutch teeth 42, and the spring 43 is compressed when the pressing member 44 is mounted to the drive shaft at a set position. When the steering engine normally works, the elastic force generated by the spring 43 tightly supports the clutch auxiliary teeth 42 and the clutch main teeth 41, so that the clutch auxiliary teeth 42 and the clutch main teeth 41 synchronously rotate. When the steering engine is overloaded, the clutch auxiliary teeth 42 and the clutch main teeth 41 rotate relatively, and the clutch auxiliary teeth 42 further compress the springs 43 to be separated from the clutch main teeth 41.
In this embodiment, the pressing member 44 may be installed in the following manner: overload protection mechanism still includes threaded connection 45, threaded connection 45 is provided with the external screw thread, main output shaft 10 be provided with the internal thread that the external screw thread matches, threaded connection 45 and main output shaft 10 pass through internal thread and external screw thread connection, compress tightly piece 44 and install the preset position at main output shaft 10 axial direction through threaded connection 45.
A threaded hole can be formed in one end, located in the box body 50, of the main output shaft 10, an internal thread is formed in the threaded hole, a shaft hole is formed in the pressing piece 44, and the end portion of the main output shaft 10 is sleeved into the pressed shaft hole. An annular boss is provided in the shaft hole of the pressing member 44, and the inner diameter of the boss is smaller than the outer diameter of the main output shaft 10. The threaded connector 45 comprises a head part and a rod part, wherein the rod part is provided with an external thread, and the diameter of the head part is smaller than that of the shaft hole of the pressing part 44 and larger than the inner diameter of the boss. During installation, the pressing piece 44 is firstly sleeved at the end part of the main output shaft 10, and then the threaded connecting piece 45 is inserted into the shaft hole from one end, far away from the main output shaft 10, of the pressing piece 44, so that the rod part of the threaded connecting piece 45 penetrates through the boss and is connected with the main output shaft 10 through external threads. When the threaded connector 45 is connected to the main output shaft 10, the head of the threaded connector 45 clamps the annular boss of the hold down member 44 to the end of the main output shaft 10.
In this embodiment, the main output shaft 10 is provided with a limit ring, and one end of the clutch main gear 41 abuts against the limit ring. In the normal work and overload protection process of the steering engine, the clutch main gear 41 rotates around the main output shaft 10, and meanwhile due to the limiting effect of the limiting ring, the axial position of the clutch main gear 41 in butt joint with the limiting ring cannot change, so that the noise generated by gear jumping is reduced, and the service life of the gear and the working stability of the steering engine are improved.
In addition, in the present embodiment, the main output shaft 10 is further provided with a guide mechanism for restricting the clutch auxiliary teeth 42 from rotating synchronously with the main output shaft 10 and moving axially relative to the main output shaft 10.
The clutch auxiliary teeth 42 can move along the axial direction of the main output shaft 10 while driving the main output shaft 10 to synchronously rotate through the guide mechanism of the main output shaft 10. When the steering engine is overloaded, under the action of the corrugated surface, the clutch auxiliary teeth 42 can further compress the spring 43, slide along the guide direction of the guide mechanism of the main output shaft 10 to be separated from the clutch main teeth 41, the clutch auxiliary teeth 42 can be ensured to synchronously rotate with the main output shaft 10 in the separation process, the clutch main teeth 41 and the main output shaft 10 are prevented from moving, the noise generated by gear jumping is reduced, the service life of the gear is prolonged, and the working process of the steering engine is more stable.
The auxiliary clutch tooth 42 can be made into a hollow structure and sleeved on the main output shaft 10, the guide mechanism can be a guide groove arranged on the outer wall of the main output shaft 10 and extending along the axial direction of the main output shaft 10, correspondingly, a guide block matched with the guide groove is arranged on the inner wall of the hole of the auxiliary clutch tooth 42, at least one part of the guide block is embedded into the guide groove after the auxiliary clutch tooth 42 and the main output shaft 10 are assembled, and under the constraint of the guide groove and the guide block, the auxiliary clutch tooth 42 slides along the extending direction of the guide groove on one hand and can drive the main output shaft 10 to synchronously rotate on the other hand. The bottom surface of the guide groove can be set into an arc-shaped surface, and the bottom surface of the corresponding guide block facing the guide groove is also set into the arc-shaped surface, so that in the process protection process, the clutch can quickly respond and move along the axial direction, and overload protection is realized.
Example 2
As shown in fig. 4, the intermediate transmission gear assembly 20 of the present embodiment adopts a three-stage speed reduction transmission manner, wherein the intermediate transmission gear assembly 20 includes a motor gear 21, a primary gear 22, a secondary gear 23 and a tertiary gear 24, the motor gear 21 is in transmission connection with an output shaft of a motor 30, the motor gear 21 is engaged with the primary gear 22, the primary gear 22 is engaged with the secondary gear 23, the tertiary gear 24 is engaged with the secondary gear 23, and the tertiary gear 24 is in transmission connection with an overload protection mechanism 40.
The motor gear 21 can be in transmission connection with the output shaft of the motor 30 by adopting an interference fit or a key connection mode. The large gear of the primary gear 22 is meshed with the motor gear 21, the small gear of the primary gear 22 is meshed with the large gear of the secondary gear 23, the small gear of the secondary gear 23 is meshed with the large gear of the tertiary gear 24, and the small gear of the tertiary gear 24 is meshed with the clutch main gear 41 of the overload protection mechanism 40. The power of the output shaft of the motor 30 is transmitted to the overload protection mechanism 40 through the primary gear 22, the secondary gear 23 and the tertiary gear 24 in sequence.
In other embodiments, the intermediate transmission assembly may employ any other gear stages, and is not limited herein.
Example 3
As shown in fig. 2 and 4, the overload protection type steering engine of the present embodiment further includes a control circuit 70 and a potentiometer 60, wherein the potentiometer 60 is electrically connected to the control circuit 70, and a transmission shaft 61 of the potentiometer 60 is in transmission connection with the main output shaft 10. In this embodiment, the main output shaft 10 drives the transmission shaft 61 of the potentiometer 60 to rotate synchronously, the potentiometer 60 generates a corresponding electrical signal according to the rotation angle of the transmission shaft 61, and sends the electrical signal to the control circuit 70 of the steering engine, and the control circuit 70 obtains the actual rotation speed of the output shaft of the steering engine according to the electrical signal sent by the potentiometer 60 and controls the steering engine according to the actual rotation speed. A first bearing 81 and a second bearing 82 may be installed in the case 50, and an end of the main output shaft 10 remote from the potentiometer 60 is fitted in an inner race of the first bearing 81. A mounting hole is provided at an end of the pressing member 44 facing the potentiometer 60, and an inner wall of the mounting hole is in interference fit with an outer ring of the second bearing 82. A mounting boss is provided on the transmission shaft 61 of the potentiometer 60 on the side thereof closer to the main output shaft 10, and is placed at a position between the bottom surface of the mounting hole of the pressing member 44 and the second bearing 82 at the time of assembly.
As shown in fig. 5 and 6, in the present embodiment, the box 50 of the steering engine is a rectangular parallelepiped, and the box 50 includes an upper cover 51, a middle cover 52, and a lower cover 53 which are detachable, the upper cover 51 is disposed above the middle cover 52, and the lower cover 53 is disposed below the middle cover 52.
The steering engine of this embodiment can adopt square box 50 structure, and box 50 adopts the triplex assembly to form, and upper cover 51, well lid 52 and lower cover 53 form after assembling the cavity, and the motor 30, middle drive gear subassembly 20 and the overload protection mechanism 40 of steering engine are placed in the cavity. The control circuit 70 of the steering engine can be a PCB control board, the PCB control board is mounted on the lower cover 53, and the first bearing 81 is mounted in the upper cover 51.
Example 4
The embodiment provides a robot, including the overload protection steering engine of any preceding embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. Overload protection formula steering wheel, its characterized in that includes:
the motor is used for providing driving torque for the steering engine;
the intermediate transmission gear assembly comprises an input end and an output end, and the input end is in transmission connection with an output shaft of the motor;
the main output shaft is in transmission connection with the output end of the intermediate transmission gear assembly;
the overload protection mechanism is used for enabling the rotating speed of the main output shaft to be lower than the rotating speed of the output end of the intermediate transmission gear assembly when the external resistance exceeds a limit value;
and the box body is provided with a chamber for accommodating the motor, the intermediate transmission gear assembly and the overload protection mechanism.
2. The overload protection type steering engine according to claim 1, wherein the overload protection mechanism includes a main clutch tooth and an auxiliary clutch tooth, the main clutch tooth is engaged with an output end of the intermediate transmission gear assembly, the auxiliary clutch tooth is connected with the main output shaft in a synchronous rotation manner, a first corrugated surface is arranged at one end of the main clutch tooth facing the transmission member, and a second corrugated surface matched with the first corrugated surface is arranged at one end of the auxiliary clutch tooth facing the main clutch tooth.
3. The overload protection type steering engine according to claim 2, wherein the overload protection mechanism further comprises an elastic pressing mechanism, and the elastic pressing mechanism is used for pressing the second corrugated surface of the clutch auxiliary teeth onto the first corrugated surface of the clutch main teeth through elastic force when the steering engine works normally.
4. The overload protection type steering engine according to claim 3, wherein the elastic pressing mechanism comprises a spring and a pressing piece, the pressing piece is installed at a preset position in the axial direction of the main output shaft, the clutch main tooth, the clutch auxiliary tooth and the pressing piece are sequentially arranged in the axial direction of the main output shaft, one end of the spring is abutted to the pressing piece, and the other opposite end of the spring is abutted to one end, back to the clutch main tooth, of the clutch auxiliary tooth.
5. The overload protection type steering engine according to claim 4, wherein the overload protection mechanism further comprises a threaded connection piece, the threaded connection piece is provided with an external thread, the main output shaft is provided with an internal thread matched with the external thread, the threaded connection piece and the main output shaft are connected through the internal thread and the external thread, and the pressing piece is installed at a preset position in the axial direction of the main output shaft through the threaded connection piece.
6. The overload protection steering engine of claim 2, wherein a limit ring is arranged on the main output shaft, and one end of the clutch main gear abuts against the limit ring.
7. The overload protection steering engine according to any one of claims 1 to 6, wherein the intermediate transmission gear assembly comprises a motor gear, a primary gear, a secondary gear and a tertiary gear, the motor gear is in transmission connection with a motor output shaft, the motor gear is meshed with the primary gear, the primary gear is meshed with the secondary gear, the tertiary gear is meshed with the secondary gear, and the tertiary gear is in transmission connection with an overload protection mechanism.
8. The overload protection type steering engine according to any one of claims 1 to 6, further comprising a control circuit and a potentiometer, wherein the potentiometer is electrically connected with the control circuit, and a transmission shaft of the potentiometer is in transmission connection with the main output shaft.
9. The overload protection type steering engine according to any one of claims 1 to 6, wherein the box body is a cuboid, the box body comprises an upper cover, a middle cover and a lower cover, the upper cover is detachably arranged above the middle cover, and the lower cover is arranged below the middle cover.
10. Robot, characterized in that it comprises an overload protection steering engine according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884955.9U CN212445321U (en) | 2020-05-23 | 2020-05-23 | Overload protection type steering engine and robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020884955.9U CN212445321U (en) | 2020-05-23 | 2020-05-23 | Overload protection type steering engine and robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212445321U true CN212445321U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020884955.9U Active CN212445321U (en) | 2020-05-23 | 2020-05-23 | Overload protection type steering engine and robot |
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|---|---|
| CN (1) | CN212445321U (en) |
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2020
- 2020-05-23 CN CN202020884955.9U patent/CN212445321U/en active Active
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