CN209170148U - A kind of overload protecting mechanism of achievable obstacle detouring - Google Patents
A kind of overload protecting mechanism of achievable obstacle detouring Download PDFInfo
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- CN209170148U CN209170148U CN201820646390.3U CN201820646390U CN209170148U CN 209170148 U CN209170148 U CN 209170148U CN 201820646390 U CN201820646390 U CN 201820646390U CN 209170148 U CN209170148 U CN 209170148U
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Abstract
The utility model discloses a kind of overload protecting mechanism of achievable obstacle detouring; the mechanism includes driving shaft part, planetary gear part and driven shaft portion, and the axle shaft section point includes driving shaft, active axis spring, the big key teeth gear of driving shaft, driving shaft snap ring, active splined shaft, active spline axis spring, the small key teeth gear of active splined shaft, flat key, active spline hubcap, active splined shaft bolt of cover.The overload protecting mechanism has two-stage transmission, and first order transmission is that motor direct-drive loads, and when first order transmission has skidded at small key teeth gear, can be driven in the case where output power of motor is constant automatically into the second level, be surmounted obstacles by increasing torque.Overload protecting mechanism cooperation control system can be realized self-service obstacle detouring, protect motor not burn out because of stall, while can adjust overload protection torque, reduce the labor intensity of worker, improve production efficiency.
Description
Technical field
The utility model relates to overload protection arrangement, the overload protecting mechanism of specifically a kind of achievable obstacle detouring.
Background technique
With the continuous development of machinery industry, mechanical system towards occasion also become increasingly complex.There is wink for some
When heavy load occasion, such as crusher generally requires installing overload protection arrangement, come avoid the dynamical elements such as motor or other
The service life of mechanical system can be improved in the damage of key components and parts in this way, reduces mechanical system maintenance cost.Current mistake
Carry protective device mainly have it is frictional and engagement type, although however, the overload protection arrangement of both forms can protect motor
Equal sources moving part and key components and parts are not damaged, but when encountering overload, self-service can not surmount obstacles, it is still desirable to artificial ginseng
With, cause production efficiency low, labor intensity of workers increase.
Utility model content
In view of above-mentioned problems of the prior art, the utility model proposes a kind of overload protection machines of achievable obstacle detouring
Structure can not only protect key components and parts not damaged, additionally it is possible to realize self-service obstacle detouring, adjust overload protection torque, reduce work
The labor intensity of people improves production efficiency.
The technical solution that the utility model solves the technical problem is: designing a kind of overload protection machine of achievable obstacle detouring
Structure, the mechanism include driving shaft part, planetary gear part and driven shaft portion, and the axle shaft section point includes driving shaft, active
The big key teeth gear of axis spring, driving shaft, driving shaft snap ring, active splined shaft, active spline axis spring, the small key teeth of active splined shaft
Gear, flat key, active spline hubcap, active splined shaft bolt of cover；
The planetary gear part includes the big key teeth gear of planetary gear, planetary gear snap ring, planetary gear, planetary gear gear ring, the sun
Wheel；The driven shaft portion include driven shaft, driven spline shaft, planet carrier, planet carrier snap ring, thrust bearing, deep groove ball bearing,
The small key teeth gear of driven spline shaft, driven spline shaft end cap, driven spline shaft bolt of cover, deep groove ball bearing snap ring；
The driving shaft left end is connected with motor, and right end is connected with active splined shaft by spline, on a left side for driving shaft
Side is provided with a shaft shoulder, for limiting the axial movement of active axis spring mounted thereto；It is arranged in the right end of driving shaft
There is flat key slot, be mounted on driving shaft big key teeth gear on driving shaft by flat key, the right end shaft end of driving shaft is provided with card
Annular groove is equipped with driving shaft snap ring in annular groove, passes through active axis spring and driving shaft snap ring limits the big key teeth gear of driving shaft
Axial float；
The left end of the active splined shaft is provided with a shaft shoulder, and right end is provided with flat key slot, is made actively by flat key
The small key teeth gear of splined shaft is mounted on the right end of active splined shaft, and the end surface of left end is provided with flower in spline and driving shaft
Key cooperates, and is provided with threaded hole in the distal end faces of right end；Active spline axis spring is mounted on the axis of the left end of active splined shaft
On active splined shaft between shoulder and the small key teeth gear of active splined shaft；Active spline hubcap passes through active spline hubcap spiral shell
Bolt is mounted in the distal end faces of active splined shaft right end；
The driven shaft right end is connected with load, and left end processes spline, the internal spline with driven spline shaft right end
It matches；Setting is provided with threaded hole in the distal end faces of the left end of driven spline shaft there are two the shaft shoulder on driven spline shaft,
It is provided with flat key slot on the left of driven spline shaft, the small key teeth gear of driven spline shaft is mounted on a left side for driven spline shaft by flat key
Side, and limit by the shaft shoulder on the left of driven spline shaft and driven spline shaft end cap the axial direction of the small key teeth gear of driven spline shaft
It is mobile；It is provided with spline on the shaft shoulder of driven spline shaft right end, to cooperate with the internal spline of planet carrier, on the driven spline shaft right side
The inside of the shaft part at end processes internal spline and the external splines of driven shaft matches；
Planet carrier fixes three planetary gears by three small axis thereon and planet carrier snap ring, and the centre of planet carrier is provided with
Ladder hole, ladder hole are internally provided with spline, match inside ladder hole with the external splines of driven spline shaft；It is installing
The annular groove with fabrication hole is provided on the surface of the planet carrier of the ladder hole periphery of planetary gear side, the fabrication hole is used
Dismantle the DNA releaxed circular DNA of thrust bearing, the annular groove is used to fix the DNA releaxed circular DNA of thrust bearing；
There are two the shaft shoulder and annular groove, the shaft shoulders in left side for the external setting of the axis body of ladder hole among the planet carrier
On the shaft part for the deep groove ball bearing snap ring for being installed on annular groove deep groove ball bearing being installed on the left of the axis body of ladder hole
Without axial movement, and the inner ring of the shaft part and deep groove ball bearing matches, and the distance of two shaft shoulders will guarantee deep groove ball bearing side
Just it dismantles；
Cooperate inside the sun gear with deep groove ball bearing, processes spline on the cylinder of sun gear left part protrusion, with
Spline on the big key teeth gear of planetary gear matches, to transmit power；Meanwhile it being provided in the outside end of sun gear left part
Annular groove installs planetary gear snap ring inside the annular groove to limit the axial movement of the big key teeth gear of planetary gear；In sun gear
It is provided with key teeth on the periphery in portion, which matches with key teeth on planetary gear；Three planetary gears are uniformly arranged on sun gear
On the periphery at middle part and engage, be provided with key teeth on the inside of planetary gear gear ring, be sleeved on the periphery of three planetary gears and with
It is engaged；The right end of sun gear is provided with protrusion cylinder, which matches with the tight ring inner circle of thrust bearing.
The overload protecting mechanism of the achievable obstacle detouring of the utility model is compared with existing overload protection arrangement, beneficial to effect
Fruit is: the overload protecting mechanism has two-stage transmission, and first order transmission is that motor direct-drive loads, when the first order is driven small
When being had skidded at key teeth gear, it can be driven automatically into the second level in the case where output power of motor is constant, pass through increase
Torque surmounts obstacles.The overload protecting mechanism can be realized self-service obstacle detouring, and motor is protected not burn out because of stall, while can adjust
Overload protection torque is saved, the labor intensity of worker is reduced, improves production efficiency.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of embodiment of the utility model.
Fig. 2 is a kind of whole schematic cross-sectional view of embodiment of the utility model.
Fig. 3 is a kind of driving shaft partial cross-sectional structural diagram of embodiment of the utility model.
Fig. 4 is a kind of planetary gear partial structure diagram of embodiment of the utility model, and wherein Fig. 4 (a) is left side court
Outer schematic perspective view, Fig. 4 (b) are the outward-facing schematic perspective view of right end.
Fig. 5 is a kind of schematic cross-sectional view of the planetary gear part of embodiment of the utility model.
Fig. 6 is a kind of structural schematic diagram of the sun gear of embodiment of the utility model, and wherein Fig. 6 (a) faces outwardly for left end
Schematic perspective view, Fig. 6 (b) be the outward-facing schematic perspective view of right end.
Fig. 7 is a kind of planet carrier structure schematic diagram of embodiment of the utility model, and wherein Fig. 7 (a) is sectional structure signal
Figure, Fig. 7 (b) are schematic perspective view.
Fig. 8 is a kind of schematic cross-sectional view of the driven shaft portion of embodiment of the utility model.
Fig. 9 is a kind of schematic cross-sectional view of the driven spline shaft of embodiment of the utility model.
Specific embodiment
The utility model is described below with reference to embodiment and its attached drawing.Embodiment is with technical solution described in the utility model
Premised on the specific implementation that carries out, give detailed embodiment and process.But the patent requirements protection scope of the application is not
It is limited to following embodiment descriptions.
For convenience of explanation with understand the technical solution of the utility model, below involved in term position, such as up and down, left
Right, front and back, is subject to orientation shown by attached drawing.
The utility model is a kind of overload protecting mechanism (referring to Fig. 1-9) of achievable obstacle detouring, which includes driving shaft
Part 1.1, planetary gear part 1.2 and driven shaft portion 1.3, the driving shaft part 1.1 include driving shaft 1.1.0, driving shaft
The big key teeth gear 1.1.2 of spring 1.1.1, driving shaft, driving shaft snap ring 1.1.3, active splined shaft 1.1.4, active splined shaft bullet
The small key teeth gear 1.1.6 of spring 1.1.5, active splined shaft, flat key 1.1.7, active spline hubcap 1.1.8, active spline shaft end
Bonnet bolt 1.1.9.
The planetary gear part 1.2 includes thrust bearing 1.2.0, planet carrier 1.2.1, planetary gear 1.2.2, planetary gear gear ring
1.2.3, planetary gear snap ring 1.2.4, sun gear 1.2.5, deep groove ball bearing 1.2.6, deep groove ball bearing snap ring 1.2.7, planetary gear
Big key teeth gear 1.2.8, the big key teeth gear snap ring 1.2.9 of planetary gear.
The driven shaft portion 1.3 includes driven shaft 1.3.0, driven spline shaft 1.3.1, driven spline shaft bolt of cover
1.3.2, flat key 1.3.3, driven spline shaft end cap 1.3.4, the small key teeth gear 1.3.5 of driven spline shaft.
The left end the driving shaft 1.1.0 is connected with motor, and right end is connected with active splined shaft 1.1.4 by spline,
It is provided with a shaft shoulder on the left of driving shaft 1.1.0, is moved for limiting the axial of active axis spring 1.1.1 mounted thereto
It is dynamic.The right end of driving shaft 1.1.0 is provided with flat key slot, is mounted on the big key teeth gear 1.1.2 of driving shaft actively by flat key
On axis 1.1.0, the right end shaft end of driving shaft 1.1.0 is provided with annular groove, driving shaft snap ring 1.1.3 is installed in annular groove,
The axial float of the big key teeth gear 1.1.2 of driving shaft is limited by active axis spring 1.1.1 and driving shaft snap ring 1.1.3；It is filling
Active axis spring 1.1.1 is first fitted into driving shaft 1.1.0 by timing, then installs flat key and the big key teeth gear of driving shaft
1.1.2, the big key teeth gear 1.1.2 of driving shaft is blocked with driving shaft snap ring 1.1.3.
The left end of the active splined shaft 1.1.4 is provided with a shaft shoulder, and right end is provided with flat key slot, passes through flat key
1.1.7, the small key teeth gear 1.1.6 of active splined shaft is mounted on to the right end of active splined shaft 1.1.4, the end outer face of left end
It is provided with spline and the cooperation of driving shaft 1.1.0 internal spline, is provided with threaded hole in the distal end faces of right end.Active splined shaft bullet
Spring 1.1.5 is mounted on the active between the shaft shoulder of the left end of active splined shaft 1.1.4 and the small key teeth gear 1.1.6 of active splined shaft
On splined shaft 1.1.4.Active spline hubcap 1.1.8 is mounted on active splined shaft by active splined shaft bolt of cover 1.1.9
1.1.4 in the distal end faces of right end.In assembly, it is initially charged with active spline axis spring 1.1.5, flat key 1.1.7, then with actively
Spline hubcap 1.1.8 and active splined shaft bolt of cover 1.1.9 compresses the small key teeth gear 1.1.6 of active splined shaft.
The end of the big key teeth gear 1.1.2 and big key teeth gear 1.2.8 of planetary gear of driving shaft is provided with inclined-plane tooth, when
When overloading, the inclined-plane tooth of cooperation has skidded to protect the key components and parts such as motor.
The driven shaft 1.3.0 right end is connected with load, and left end processes spline, with end on the right side of driven spline shaft 1.3.1
The internal spline at end matches.There are two the shaft shoulder, the ends of the left end of driven spline shaft 1.3.1 for setting on driven spline shaft 1.3.1
It is provided with threaded hole on the end face of end, is provided with flat key slot, the small key teeth gear of driven spline shaft on the left of driven spline shaft 1.3.1
1.3.5 it is mounted on the left side of driven spline shaft 1.3.1 by flat key 1.3.3, and passes through the axis on the left of driven spline shaft 1.3.1
Shoulder and driven spline shaft end cap 1.3.4 limit the axial movement of the small key teeth gear 1.3.5 of driven spline shaft.Driven spline shaft
1.3.1 it is provided with spline on the shaft shoulder of right end, to cooperate with the internal spline of planet carrier 1.2.1, for transmitting from planetary gear
The power of system, and under action of hydraulic force, planet carrier 1.2.1 integrally can axially move, and flower key length will guarantee to go
Meet power transmission requirement after carrier 1.2.1 is mobile.Interior flower is processed in the inside of the shaft part of driven spline shaft 1.3.1 right end
The external splines of key and driven shaft 1.3.0 match, and under the action of hydraulic coupling, and driven spline shaft 1.3.1 can be along axial shifting
It is dynamic, and flower key length will guarantee to meet power transmission requirement after driven spline shaft 1.3.1 is mobile.
Planet carrier 1.2.1 fixes three planetary gear 1.2.2 by three small axis thereon and planet carrier snap ring 1.2.4, row
The centre of carrier 1.2.1 is provided with ladder hole, and ladder hole is internally provided with spline, ladder hole inside and driven spline shaft
1.3.1 external splines match.On the surface of the planet carrier 1.2.1 of the ladder hole periphery of the installation side planetary gear 1.2.2
It is provided with the annular groove with fabrication hole, the fabrication hole is used to dismantle the DNA releaxed circular DNA of thrust bearing 1.2.0, and the annular groove is used
In the DNA releaxed circular DNA of fixed thrust bearing 1.2.0.
There are two the shaft shoulder and annular groove, left sides for the external setting of the axis body of ladder hole among the planet carrier 1.2.1
The shaft shoulder make deep groove ball bearing 1.2.6 be installed on ladder hole with the deep groove ball bearing snap ring 1.2.7 for being installed on annular groove
On shaft part on the left of axis body and without axial movement, and the inner ring of the shaft part and deep groove ball bearing 1.2.6 match.Two shaft shoulders
The distance between to guarantee that deep groove ball bearing 1.2.6 can be easy to disassemble.
Cooperate inside the sun gear 1.2.5 with deep groove ball bearing 1.2.6, in the cylinder of sun gear 1.2.5 left part protrusion
On process spline, matched with the spline on the big key teeth gear 1.2.8 of planetary gear, to transmit power；Meanwhile in sun gear
1.2.5 the outside end of left part is provided with annular groove, inside the annular groove install the big key teeth gear snap ring 1.2.9 of planetary gear with
Limit the axial movement of the big key teeth gear 1.2.8 of planetary gear.It is provided with key teeth on periphery in the middle part of sun gear 1.2.5, the key teeth
It is matched with key teeth on planetary gear 1.2.2；On the periphery at the middle part that three planetary gear 1.2.2 are uniformly arranged on sun gear 1.2.5
And engage, be provided with key teeth on the inside of planetary gear gear ring 1.2.3, be sleeved on the periphery of three planetary gear 1.2.2 and and its
Engagement, and its width should ensure that and meet power transmission requirement after planet carrier 1.2.1 is moved axially.
The right end of sun gear 1.2.5 is provided with protrusion cylinder, the protrusion cylinder and the tight ring inner circle phase of thrust bearing 1.2.0
Cooperation, but to guarantee that the end barrel bore is greater than the large-diameter of planet carrier 1.2.1 body shaft, to prevent from interfering.
The working principle and the course of work of a kind of overload protecting mechanism of achievable obstacle detouring of the utility model are as follows: first
A stage, using first order drive path.Motor drives driving shaft 1.1.0 rotation, and driving shaft 1.1.0 is driven by spline and led
Dynamic splined shaft 1.1.4 rotation, active splined shaft 1.1.4 drive the small key teeth gear 1.1.6 of active splined shaft further through flat key 1.1.7
Rotation, the small key teeth gear 1.1.6 of active splined shaft drive the small key teeth gear 1.3.5 rotation of driven spline shaft by the key teeth of end
Turn, then the small key teeth gear 1.3.5 of driven spline shaft drives driven spline shaft 1.3.1 rotation, driven flower by flat key 1.3.3
Key axis 1.3.1 drives driven shaft 1.3.0 rotation further through spline, and power is passed.In first stage, two small key teeths
Gear engagement, two big key teeth gear do not engage.When overload occurs, it has skidded, leads to two small key teeth gear engagement places
Sensor detection main driven shaft revolving speed is crossed, is responded.Under action of hydraulic force, mechanism enters second stage, using the second level
Drive path.Control driven spline shaft 1.3.1 moves right, and drives driven spline shaft small by driven spline shaft end cap 1.3.4
Key teeth gear 1.3.5 is moved to right, and separates two small key teeth gear；It controls planet carrier 1.2.1 simultaneously to be moved to the left, passes through thrust axis
Holding 1.2.0 pushes sun gear 1.2.5 to be moved to the left, so that two big key teeth gear engages, so that planetary gear train be made to participate in passing
It is dynamic, in the case where output power of motor is constant, realizes reduction of speed torque increase, smoothly surmount obstacles.It is main when output power of motor is constant
When moving axis 1.1.0 revolving speed increases, the inverse operation of second stage is repeated, two small key teeth gear is made to reenter engagement, two
Big key teeth gear separation, improves production efficiency.In this way in the case where overloading, does not need artificially to participate in, can smoothly get over
Obstacle is crossed, motor is protected not burn out because of stall, improves production efficiency.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
The utility model does not address place and is suitable for the prior art.
Claims (2)
1. a kind of overload protecting mechanism of achievable obstacle detouring, which is characterized in that the mechanism includes driving shaft part, planetary gear part
With driven shaft portion, the axle shaft section point including driving shaft, active axis spring, the big key teeth gear of driving shaft, driving shaft snap ring,
Active splined shaft, active spline axis spring, the small key teeth gear of active splined shaft, flat key, active spline hubcap, active splined shaft
Bolt of cover；
The planetary gear part includes the big key teeth gear of planetary gear, the big key teeth gear snap ring of planetary gear, planetary gear snap ring, planet
Wheel, planetary gear gear ring, sun gear, planet carrier, planet carrier snap ring, thrust bearing, deep groove ball bearing, deep groove ball bearing snap ring；Institute
State driven shaft portion include driven shaft, driven spline shaft, the small key teeth gear of driven spline shaft, flat key, driven spline shaft end cap, from
Dynamic splined shaft bolt of cover；
The driving shaft left end is connected with motor, and right end is connected with active splined shaft by spline, sets on the left of driving shaft
It is equipped with a shaft shoulder, for limiting the axial movement of active axis spring mounted thereto；It is provided in the right end of driving shaft flat
Keyway, is mounted on driving shaft big key teeth gear on driving shaft by flat key, and the right end shaft end of driving shaft is provided with annular groove,
Driving shaft snap ring is installed in annular groove, the axial direction of the big key teeth gear of driving shaft is limited by active axis spring and driving shaft snap ring
Play；
The left end of the active splined shaft is provided with a shaft shoulder, and right end is provided with flat key slot, makes active spline by flat key
The small key teeth gear of axis is mounted on the right end of active splined shaft, and the end surface of left end is provided with spline and driving shaft internal spline is matched
It closes, is provided with threaded hole in the distal end faces of right end；Active spline axis spring be mounted on the shaft shoulder of the left end of active splined shaft with
On active splined shaft between the small key teeth gear of active splined shaft；Active spline hubcap is pacified by active splined shaft bolt of cover
In the distal end faces of active splined shaft right end；
The driven shaft right end is connected with load, and left end processes spline, matches with the internal spline of driven spline shaft right end
It closes；Setting is provided with threaded hole in the distal end faces of the left end of driven spline shaft there are two the shaft shoulder on driven spline shaft, driven
It is provided with flat key slot on the left of splined shaft, the small key teeth gear of driven spline shaft is mounted on the left side of driven spline shaft by flat key, and
The axial movement of the small key teeth gear of driven spline shaft is limited by the shaft shoulder on the left of driven spline shaft and driven spline shaft end cap；
It is provided with spline on the shaft shoulder of driven spline shaft right end, to cooperate with the internal spline of planet carrier, in driven spline shaft right end
The inside of shaft part processes internal spline and the external splines of driven shaft matches；
Planet carrier fixes three planetary gears by three small axis thereon and planet carrier snap ring, and the centre of planet carrier is provided with ladder
Through-hole, ladder hole are internally provided with spline, match inside ladder hole with the external splines of driven spline shaft；In installation planet
It takes turns and is provided with the annular groove with fabrication hole on the surface of the planet carrier of the ladder hole periphery of side, the fabrication hole is used to tear open
The DNA releaxed circular DNA of thrust bearing is unloaded, the annular groove is used to fix the DNA releaxed circular DNA of thrust bearing；
There are two the shaft shoulder and annular groove, the shaft shoulders and peace in left side for the external setting of the axis body of ladder hole among the planet carrier
It is shaftless on the shaft part that deep groove ball bearing snap ring loaded on annular groove is installed on deep groove ball bearing on the left of the axis body of ladder hole
To movement, and the inner ring of the shaft part and deep groove ball bearing matches, and the distance of two shaft shoulders will guarantee that deep groove ball bearing is conveniently torn open
It unloads；
Cooperate inside the sun gear with deep groove ball bearing outer ring, processes spline on the cylinder of sun gear left part protrusion, with
Spline on the big key teeth gear of planetary gear matches, to transmit power；Meanwhile it being provided in the outside end of sun gear left part
Annular groove installs planetary gear snap ring inside the annular groove to limit the axial movement of the big key teeth gear of planetary gear；In sun gear
It is provided with key teeth on the periphery in portion, which matches with key teeth on planetary gear；Three planetary gears are uniformly arranged on sun gear
On the periphery at middle part and engage, be provided with key teeth on the inside of planetary gear gear ring, be sleeved on the periphery of three planetary gears and with
It is engaged；The right end of sun gear is provided with protrusion cylinder, which matches with the tight ring inner circle of thrust bearing.
2. a kind of overload protecting mechanism of achievable obstacle detouring according to claim 1, which is characterized in that the driving shaft is big
The end of key teeth gear and the big key teeth gear of planetary gear is provided with inclined-plane tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646390.3U CN209170148U (en) | 2018-05-03 | 2018-05-03 | A kind of overload protecting mechanism of achievable obstacle detouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646390.3U CN209170148U (en) | 2018-05-03 | 2018-05-03 | A kind of overload protecting mechanism of achievable obstacle detouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170148U true CN209170148U (en) | 2019-07-26 |
Family
ID=67326508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820646390.3U Expired - Fee Related CN209170148U (en) | 2018-05-03 | 2018-05-03 | A kind of overload protecting mechanism of achievable obstacle detouring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209170148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202886A (en) * | 2021-05-31 | 2021-08-03 | 长沙理工大学 | Gear clutch structure with automatic protection threshold adjustment function |
| CN113217556A (en) * | 2021-05-31 | 2021-08-06 | 长沙理工大学 | Impact-free gear clutch structure |
-
2018
- 2018-05-03 CN CN201820646390.3U patent/CN209170148U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202886A (en) * | 2021-05-31 | 2021-08-03 | 长沙理工大学 | Gear clutch structure with automatic protection threshold adjustment function |
| CN113217556A (en) * | 2021-05-31 | 2021-08-06 | 长沙理工大学 | Impact-free gear clutch structure |
| CN113217556B (en) * | 2021-05-31 | 2022-02-15 | 长沙理工大学 | Impact-free gear clutch structure |
| CN113202886B (en) * | 2021-05-31 | 2022-02-25 | 长沙理工大学 | Gear clutch mechanism with automatic protection threshold adjustment function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |