CN212717697U - Overload-proof rotating shaft - Google Patents
Overload-proof rotating shaft Download PDFInfo
- Publication number
- CN212717697U CN212717697U CN202021243698.7U CN202021243698U CN212717697U CN 212717697 U CN212717697 U CN 212717697U CN 202021243698 U CN202021243698 U CN 202021243698U CN 212717697 U CN212717697 U CN 212717697U
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- sleeve
- driving
- shaft
- driving shaft
- ring
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- Expired - Fee Related
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Abstract
The utility model discloses an overload-proof rotating shaft, which comprises a base, wherein a first guide groove is arranged on the base, a shaft sleeve is arranged on the first guide groove, a driving shaft is arranged on the shaft sleeve in a rotating way, a first circular ring is fixedly arranged at one end of the driving shaft, one side of the first circular ring is connected with a load-proof ring, load-proof teeth are sequentially arranged on the inner wall of the load-proof ring along the circumference and are connected with a driving source, a locking mechanism is arranged between the shaft sleeve and the driving shaft, a driving component capable of driving the locking mechanism is arranged on the base and is connected with the driving source, the motor can still rotate after the driving shaft is overloaded, thus the motor can be prevented from being burnt out, and the driving shaft can be automatically locked after the driving shaft is overloaded, thus the two directions of the driving shaft can not rotate, and the driving shaft can be prevented from automatically reversing without the action of the motor, a danger occurs.
Description
Technical Field
The utility model relates to a transmission equipment field, in particular to anti-overloading rotating shaft.
Background
The driving shaft and the driven shaft are generally rigidly connected together, when the driving shaft is subjected to a large load, on one hand, the driving shaft can be bent or broken, the motor connected with the driven shaft can be burnt off due to the fact that the motor cannot rotate for a long time, and if only the rotating direction of the motor is overloaded and the other direction is overloaded, after the motor is burnt off, the driving shaft can rotate reversely under the action of no motor, so that potential safety hazards can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an overload-proof pivot.
In order to achieve the above purpose, the utility model adopts the following scheme:
an overload-proof rotating shaft comprises a base, a first guide groove is arranged on the base, a shaft sleeve is arranged on the first guide groove, a driving shaft is arranged on the shaft sleeve in a rotating mode, a first circular ring is fixedly arranged at one end of the driving shaft, one side of the first circular ring is connected with a load-proof ring, load-proof teeth are sequentially arranged on the inner wall of the load-proof ring along the circumference and are connected with a driving source, a locking mechanism is arranged between the shaft sleeve and the driving shaft, a driving assembly capable of driving the locking mechanism is arranged on the base and is connected with the driving source, the driving source is a motor or a power source device such as an engine and the like with a gear on an output shaft, the motor can still rotate after the driving shaft is overloaded, so that the motor can be prevented from being burnt out, the driving shaft can be automatically locked after the driving shaft is overloaded, and the driving shaft cannot rotate in two directions, the driving shaft is prevented from automatically reversing without the action of a motor, so that danger is prevented.
Further, the driving source is including fixing the motor on the base the fixed first pivot that is equipped with of output of motor first pivot one end is fixed to be equipped with can with prevent the first gear that the load tooth is connected the fixed second gear that can be connected with drive assembly that is equipped with on the outer wall of first pivot, prevents that the material of load ring and anti-load tooth is wood, will split when the driving shaft transships like this.
Furthermore, the driving assembly comprises a first fixing plate which is sequentially fixed on the base and located on one side of the anti-loading ring, a first sleeve is arranged on the first fixing plate in a rotating mode, first teeth are sequentially arranged on the outer wall of the first circular ring, second teeth capable of being connected with the first teeth are sequentially arranged on the outer wall of the first sleeve, a second sleeve is arranged on the first fixing plate in a rotating mode, third teeth capable of being connected with the second gear are arranged on the outer wall of the second sleeve in a rotating mode, a threaded barrel capable of being connected with the second sleeve is arranged on the first fixing plate in a rotating mode, a threaded rod is connected with the threaded barrel in an internal thread mode and penetrates through the first sleeve and the second sleeve, an inserting rod capable of being inserted into the threaded rod is fixedly arranged on one side of the first sleeve, one end of the threaded rod is in contact with the locking mechanism, and when the driving shaft is overloaded, the first sleeve and the second sleeve, The threaded cylinders will rotate synchronously with the anti-load ring.
Furthermore, locking mechanical system is including setting up the bell jar on the axle sleeve inner wall be equipped with a plurality of lugs in proper order on the bell jar the fixed bell piece that can with bell jar complex that is equipped with on the driving shaft outer wall be equipped with on the bell piece can with the first draw-in groove of lug complex be equipped with even board on the axle sleeve even board one end is equipped with the second fixed plate that can contact with the threaded rod, just can pin the driving shaft after the bell piece injects the bell jar, and the driving shaft just can not the rotation again.
Preferably, be equipped with a plurality of recesses in proper order on the binding face of second sleeve and screw thread section of thick bamboo be equipped with the ball in the recess be equipped with the spring between ball and the recess screw thread section of thick bamboo one side be equipped with can with ball complex second draw-in groove.
Preferably, the first circular ring is connected with the anti-load ring through a screw, after the anti-load ring and the load teeth are broken, the screw is loosened to replace the anti-load ring and the load teeth, so that the device can be used again,
to sum up, the utility model discloses for its beneficial effect of prior art is:
the utility model discloses can still can the rotation at driving shaft overload back motor, the motor just can prevent to be burnt out like this, can also die the driving shaft lock automatically after the driving shaft overload moreover, two directions of driving shaft can not rotate like this, prevent that the driving shaft from not having the effort of motor down reversal by oneself, take place danger.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a second exploded view of the present invention.
The drawings indicate the description: 1. a base; 2. a first guide groove; 3. a shaft sleeve; 4. a drive shaft; 5. a first circular ring; 6. an anti-load ring; 8. anti-load teeth; 20. a drive source; 40. a locking mechanism; 60. a drive assembly; 21. a motor; 22. a first rotating shaft; 23. a first gear; 24. a second gear; 61. a first fixing plate; 62. a first sleeve; 63. a first tooth; 64. a second tooth; 65. a second sleeve; 66. a third tooth; 67. a threaded barrel; 68. a threaded rod; 69. inserting a rod; 41. a tapered groove; 42. a bump; 43. a conical block; 44. a first card slot; 45. connecting plates; 46. a second fixing plate; 11. a groove; 12. a ball; 13. a spring; 14. and a second card slot.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
an overload prevention rotating shaft as shown in fig. 1 to 3 comprises a base 1, a first guide groove 2 is arranged on the base 1, a shaft sleeve 3 is arranged on the first guide groove 2, a driving shaft 4 is rotatably arranged on the shaft sleeve 3, a first circular ring 5 is fixedly arranged at one end of the driving shaft 4, one side of the first circular ring 5 is connected with a load-proof ring 6, anti-load teeth 8 are sequentially arranged on the inner wall of the anti-load ring 6 along the circumference, one side of each anti-load tooth 8 is engaged with a driving source 20, a locking mechanism 40 is arranged between the shaft sleeve 3 and the driving shaft 4, a driving component 60 capable of driving the locking mechanism 40 is arranged on the base 1, the driving assembly 60 is connected to the driving source 20, the first ring 5 is connected to the load-preventing ring 6 by screws, and the driving source 4 is a power supply device such as a motor or an engine with a gear on an output shaft.
The utility model discloses well driving source 20's an embodiment: the driving source 20 comprises a motor 21 fixed on the base 1, a first rotating shaft 22 is fixedly arranged at the output end of the motor 21, a first gear 23 capable of being connected with the load-proof teeth 8 is fixedly arranged at one end of the first rotating shaft 22, and a second gear 24 capable of being connected with the driving assembly 60 is fixedly arranged on the outer wall of the first rotating shaft 22.
The utility model discloses an embodiment of well drive assembly 60: the driving assembly 60 comprises a first fixing plate 61 fixed on the base 1 in sequence and located on one side of the anti-loading ring 6, a first sleeve 62 is arranged on the first fixing plate 61 in a rotating manner, a first tooth 63 is arranged on the outer wall of the first ring 5 in sequence, a second tooth 64 capable of being connected with the first tooth 63 is arranged on the outer wall of the first sleeve 62 in sequence, a second sleeve 65 is arranged on the first fixing plate 61 in a rotating manner, a third tooth 66 capable of being connected with the second gear 24 is arranged on the outer wall of the second sleeve 65, a threaded sleeve 67 capable of being connected with the second sleeve 65 is arranged on the first fixing plate 61 in a rotating manner, a threaded rod 68 is connected with the threaded sleeve 67 in a threaded manner, the threaded rod 68 penetrates through the first sleeve 62 and the second sleeve 65, an inserting rod 69 capable of being inserted into the threaded rod 68 is fixedly arranged on one side of the first sleeve 62, one end of the threaded rod 68 is in contact with the locking mechanism 40, the bearing structure is characterized in that a plurality of grooves 11 are sequentially formed in the binding surface of the second sleeve 65 and the threaded cylinder 67, a ball 12 is arranged in each groove 11, a spring 13 is arranged between each ball 12 and each groove 11, a second clamping groove 14 capable of being matched with the ball 12 is formed in one side of the threaded cylinder 67, after the driving shaft is loaded, the load-preventing rings and the load teeth can be broken when the torque force of the driving shaft is larger than the maximum torque force capable of being borne by the load-preventing rings and the load teeth, the rotating speed of the driving shaft and the motor is not synchronous, the rotating speed of the motor is higher than that of the driving shaft, and therefore the threaded cylinder connected with the motor can be higher than that of the first sleeve connected with the driving shaft, and the threaded cylinder can enable the threaded rod to move.
The utility model discloses well locking mechanical system 40's an embodiment: the locking mechanism 40 comprises a tapered groove 41 arranged on the inner wall of the shaft sleeve 3, a plurality of convex blocks 42 are sequentially arranged on the tapered groove 41, a tapered block 43 capable of being matched with the tapered groove 41 is fixedly arranged on the outer wall of the driving shaft 4, a first clamping groove 44 capable of being matched with the convex blocks 42 is arranged on the tapered block 43, a connecting plate 45 is arranged on the shaft sleeve 3, one end of the connecting plate 45 is provided with a second fixing plate 46 capable of being in contact with a threaded rod 68, the second fixing plate can move after the threaded rod moves, the connecting plate can drive the shaft sleeve to move, so that the tapered groove is inserted into the tapered block, the driving shaft cannot rotate, and when the driving shaft cannot rotate, the motor can continue to rotate, so that the round balls can be extruded to retract into the grooves, the second sleeve can slip with the threaded sleeve, and the motor can rotate.
When in use: after the driving shaft is loaded, the torque force of the driving shaft is greater than the maximum torque force which can be borne by the load-proof ring and the load teeth, the load-proof ring and the load teeth can be fractured, at the moment, the rotating speed of the driving shaft and the motor is not synchronized, the rotating speed of the motor is higher than that of the driving shaft, a threaded cylinder connected with the motor can be faster than the rotating speed of a first sleeve connected with the driving shaft, at the moment, the threaded cylinder can enable a threaded rod to move, a second fixing plate can move after the threaded rod moves, a connecting plate can drive a shaft sleeve to move, a conical groove is inserted into a conical block, the driving shaft can not rotate, and when the driving shaft can not rotate, the motor can continue to rotate, so that a ball can be extruded into a concave groove, the second sleeve can slide with the threaded cylinder, and the motor can rotate.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an overload-proof rotating shaft, including base (1) be equipped with first guide way (2) on base (1) be equipped with axle sleeve (3) on first guide way (2) it is equipped with driving shaft (4), its characterized in that to rotate on axle sleeve (3): driving shaft (4) one end is fixed and is equipped with first ring (5) one side is connected with prevents load ring (6) prevent being equipped with along the circumference in proper order on load ring (6) inner wall and prevent load tooth (8), it has driving source (20) to prevent meshing on load tooth (8) be equipped with locking mechanical system (40) between axle sleeve (3) and driving shaft (4) be equipped with drive assembly (60) that can drive locking mechanical system (40) on base (1), drive assembly (60) are connected with driving source (20).
2. An overload prevention rotating shaft according to claim 1, wherein the driving source (20) comprises a motor (21) fixed on the base (1), a first rotating shaft (22) is fixedly arranged at an output end of the motor (21), a first gear (23) capable of being connected with the overload prevention teeth (8) is fixedly arranged at one end of the first rotating shaft (22), and a second gear (24) capable of being connected with the driving assembly (60) is fixedly arranged on an outer wall of the first rotating shaft (22).
3. The overload prevention rotating shaft as claimed in claim 2, wherein the driving assembly (60) comprises a first fixing plate (61) sequentially fixed on the base (1) and located on one side of the overload prevention ring (6), a first sleeve (62) is rotatably arranged on the first fixing plate (61), first teeth (63) are sequentially arranged on the outer wall of the first circular ring (5), second teeth (64) capable of being connected with the first teeth (63) are sequentially arranged on the outer wall of the first sleeve (62), a second sleeve (65) is rotatably arranged on the first fixing plate (61), third teeth (66) capable of being connected with the second gear (24) are arranged on the outer wall of the second sleeve (65), a threaded barrel (67) capable of being connected with the second sleeve (65) is rotatably arranged on the first fixing plate (61), a threaded rod (68) is connected to the threaded barrel (67) in a threaded manner, the threaded rod (68) penetrates through the first sleeve (62) and the second sleeve (65), an inserting rod (69) capable of being inserted into the threaded rod (68) is fixedly arranged on one side of the first sleeve (62), and one end of the threaded rod (68) is in contact with the locking mechanism (40).
4. An overload prevention spindle according to claim 3, wherein the locking mechanism (40) includes a tapered groove (41) formed in an inner wall of the spindle sleeve (3), a plurality of protrusions (42) are sequentially formed in the tapered groove (41), a tapered block (43) capable of being matched with the tapered groove (41) is fixedly formed in an outer wall of the drive shaft (4), a first clamping groove (44) capable of being matched with the protrusions (42) is formed in the tapered block (43), a connecting plate (45) is formed in the spindle sleeve (3), and a second fixing plate (46) capable of being in contact with the threaded rod (68) is arranged at one end of the connecting plate (45).
5. An overload prevention rotating shaft according to claim 3, wherein a plurality of grooves (11) are sequentially formed in the abutting surface of the second sleeve (65) and the threaded cylinder (67), a ball (12) is arranged in each groove (11), a spring (13) is arranged between each ball (12) and the bottom surface of each groove (11), and a second clamping groove (14) capable of being matched with each ball (12) is formed in one side of the threaded cylinder (67).
6. An overload prevention spindle according to claim 1, characterised in that the first ring (5) is screwed to the overload prevention ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243698.7U CN212717697U (en) | 2020-06-29 | 2020-06-29 | Overload-proof rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243698.7U CN212717697U (en) | 2020-06-29 | 2020-06-29 | Overload-proof rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717697U true CN212717697U (en) | 2021-03-16 |
Family
ID=74964024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243698.7U Expired - Fee Related CN212717697U (en) | 2020-06-29 | 2020-06-29 | Overload-proof rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717697U (en) |
-
2020
- 2020-06-29 CN CN202021243698.7U patent/CN212717697U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210426 Address after: 311222, Zhejiang Province, Xiaoshan District, Hangzhou Zhuang River Street, new village Patentee after: HANGZHOU YAHAN MACHINERY Co.,Ltd. Address before: Room B201, scientific research service building, Shaoguan Huiyue science and Technology Venture Service Co., Ltd., No. 168, Muxi Avenue, Wujiang District, Shaoguan City, Guangdong Province Patentee before: SHAOGUAN GUANGKONG MECHANICAL TRANSMISSION TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |