CN206447514U - A kind of rotating shaft reverse self-locking mechanism - Google Patents
A kind of rotating shaft reverse self-locking mechanism Download PDFInfo
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- CN206447514U CN206447514U CN201621299613.0U CN201621299613U CN206447514U CN 206447514 U CN206447514 U CN 206447514U CN 201621299613 U CN201621299613 U CN 201621299613U CN 206447514 U CN206447514 U CN 206447514U
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- rotating shaft
- arresting disc
- strip dog
- supporting plate
- locking mechanism
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Abstract
This practicality provides a kind of rotating shaft reverse self-locking mechanism, including rotating shaft, arresting disc, strip dog, supporting plate and fixing axle, and supporting plate is provided with shaft hole, and supporting plate is sleeved in rotating shaft by shaft hole.Rotating shaft is free to rotate, and arresting disc is assemblied in rotating shaft, and concomitant rotation.Fixing axle is fixed on the supporting plate, and strip dog includes fixing end and free end, and fixing end is fixed in fixing axle, and strip dog is freely rotated around fixing axle, and free end is ridden on arresting disc.During hoisting heavy, strip dog free end on arresting disc slidably；When optional position stops, strip dog free end prevents arresting disc from rotating.This practicality provides a kind of rotating shaft reverse self-locking mechanism, using the design of arresting disc and strip dog, rotating shaft reverse self-locking mechanism does not influence lifting appliance to run during lifting, and when stopping lifting and keeping appropriate height or meet special circumstances and land suddenly, strip dog being capable of quick locked arresting disc, locked rotating shaft, it is to avoid accident occurs, and greatly improves security.
Description
Technical field
This practicality belongs to aircraft floor technical field of crane equipment, and in particular to a kind of rotating shaft reverse self-locking mechanism.
Background technology
In airplane ground support equipment, lifting appliance is to wind cable wire using rotating shaft come hoisting heavy, the one of cable wire
End is fixed in rotating shaft, is turned to by one or more fixed pulleys, other end coupling hook, the energy when rotating shaft winds cable wire
By heavy lift.At present, people generally prevent rotating shaft from inverting to prevent weight from landing suddenly using worm Gear-Worm or manpower.So
And, it can realize that turbine-worm screw technological requirement of auto-lock function is high, involve great expense；Although preventing the method that rotating shaft is inverted by manpower
Simply, but can additionally increase crew numbers, improve labour cost.
Utility model content
This practicality is to be solved be existing rotating shaft mechanism auto-lock function involves great expense or cost is big technical problem there is provided
A kind of rotating shaft reverse self-locking mechanism, in hoisting heavy, rotating shaft reverse self-locking mechanism does not influence lifting appliance to run, and to stop
When the appropriate height of lifting holding or chance special circumstances are landed suddenly, the rotating shaft reverse self-locking mechanism can be automatically locked, it is to avoid thing
Therefore occur, greatly improve production safety.
In order to solve the technical problem that this is practical, this practicality is achieved through the following technical solutions：A kind of rotating shaft is reverse
Self-locking mechanism, including rotating shaft 1, arresting disc 2, strip dog 3, supporting plate 4 and fixing axle 5, the supporting plate 4 are provided with shaft hole
41st, bolt hole 42, fixed shaft hole 43 and pin hole 44, the supporting plate 4 are sleeved in the rotating shaft 1 by shaft hole 41；Institute
State rotating shaft 1 free to rotate, the arresting disc 2 is assemblied in the rotating shaft 1, the arresting disc 2 is rotated with rotating shaft 1；It is described solid
Dead axle 5 is fixed in the supporting plate 4, and the strip dog 3 includes fixing end 31 and free end 32, and the fixing end 31 is fixed on
In fixing axle 5, the strip dog 3 is freely rotated around fixing axle 5, and the free end 32 is ridden on the arresting disc 2；Work as lifting machine
During structure hoisting heavy, the free end 32 of strip dog 3 on arresting disc 2 slidably；When optional position stops, the stop
The free end 32 of hook 3 prevents the arresting disc 2 from rotating.
Preferably, the edge of arresting disc 2 is evenly arranged sawtooth 21, and the free end 32 is provided with mutual with the sawtooth 21
The hook 321 of engagement, the hook 321 is fitted with the face of sawtooth 21, prevents arresting disc 2 from rotating using frictional force.Stop
When the appropriate height of lifting holding or chance special circumstances are landed suddenly, rotating shaft reverse self-locking mechanism can be automatically locked, it is to avoid accident is sent out
It is raw, greatly improve production safety.
Preferably, the supporting plate 4 is provided with pin 6, and the pin 6 is fixed in supporting plate 4 by pin hole 44, described
Pin 6 is used to place the strip dog 3, and the rotation of the arresting disc 2 is not influenceed., can be by stop when lifting process is safe
Hook 3 is rotated around fixing axle 5, is positioned on the pin 6, eliminates the friction between uphill process strip dog 3 and arresting disc 2, is reduced
Consumption of the portable strip dog 3 of decline process to staff's muscle power.
Preferably, erection support 7 in the rotating shaft 1, the bearing 7 is connected by bolt hole 42 with the supporting plate 4, is used
In the support rotating shaft 1.
Preferably, rocking arm 8 is installed, the rocking arm 8 is used to rotate the rotating shaft 1, facilitates lifting appliance in the rotating shaft 1
Use, improve operating efficiency.
Preferably, the fixing axle 5 is provided with welding ends 51, function end 52 and the end of thread 53, the welding ends 51, function
End 52 and the end of thread 53 are sequentially connected and connect, and the welding ends 51 is welded on fixed shaft hole 43.
Further, the fixing axle 5 is step-like, and the fixing end 31 is fixed in the function end 52 of fixing axle 5, described
Locking nut is screwed with the end of thread 53, the length of function end 52 is than the big 5mm ~ 15mm of the thickness of fixing end 31, it is ensured that locking
After nut is screwed on, strip dog 2 without hindrance can be rotated, and the surface of hook 321 is contacted with the surface maximum area of sawtooth 21 in assembling process.
Compared with prior art, the beneficial effect of this practicality acquisition is：
A kind of rotating shaft reverse self-locking mechanism that this practicality is provided, it is simple in construction, it is skillfully constructed, it is easy to use, it is to avoid accident
Occur, greatly improve production safety.A kind of rotating shaft reverse self-locking mechanism that this practicality is provided, using setting for arresting disc and strip dog
Meter, in hoisting heavy, rotating shaft reverse self-locking mechanism does not influence lifting appliance to run, and to stop lifting keeping appropriate height or
Special circumstances are met when landing suddenly, strip dog can quick locked arresting disc so that locked rotating shaft, it is to avoid accident generation, significantly
Improve production safety；Pin is provided with fixing axle, when lifting process is safe, strip dog can be rotated around fixing axle, put
It is placed on the pin, eliminates the friction between uphill process strip dog and arresting disc, reduces the portable strip dog 3 of decline process to work
Make the consumption of personnel's muscle power.
Brief description of the drawings
Fig. 1 supporting plate structure figures.
Fig. 2 fixed axle structure things.
Fig. 3 is the structure chart of embodiment 1.
Fig. 4 is the structure chart of embodiment 2.
Reference：1st, rotating shaft；2nd, arresting disc；21st, sawtooth；3rd, strip dog；31st, fixing end；32nd, free end；321st, tooth
Hook；4th, supporting plate；41st, shaft hole；42nd, bolt hole；43 fixed shaft holes；44th, pin hole；5th, fixing axle；51st, welding ends；52nd, work(
Can end；53rd, the end of thread；6th, pin；7th, bearing；8th, rocking arm.
Embodiment
Below in conjunction with the accompanying drawings, embodiment is described in detail.
Embodiment 1：
Referring to accompanying drawing 1 to accompanying drawing 3, a kind of rotating shaft reverse self-locking mechanism, including rotating shaft 1, arresting disc 2, strip dog 3, support
Plate 4 and fixing axle 5, the supporting plate 4 are provided with shaft hole 41, bolt hole 42, fixed shaft hole 43 and pin hole 44, the support
Plate 4 is sleeved in the rotating shaft 1 by shaft hole 41；The rotating shaft 1 is free to rotate, and the arresting disc 2 is assemblied in described turn
On axle 1, the arresting disc 2 is rotated with rotating shaft 1；The fixing axle 5 is fixed in the supporting plate 4, and the strip dog 3 includes solid
Fixed end 31 and free end 32, the fixing end 31 are fixed in fixing axle 5, and the strip dog 3 is freely rotated around fixing axle 5, institute
Free end 32 is stated to ride on the arresting disc 2；When derricking gear hoisting heavy, the free end 32 of strip dog 3 is in arresting disc 2
On slidably；When optional position stops, the free end 32 of strip dog 3 prevents the arresting disc 2 from rotating.Work as derricking gear
During lifting heavy, the arresting disc 2 is rotated clockwise with rotating shaft 1, and the free end 32 of strip dog 3 is in the sawtooth of arresting disc 2
Slided on 21, and when optional position stops, the free end 32 of strip dog 3 prevents the arresting disc 2 from rotating, and has limited lift heavy
The position of thing.When derricking gear puts down weight, strip dog 3 is placed on position shown in Fig. 3 dotted lines, the arresting disc 2 can be inverse
Hour hands are rotated, and when needing to stop, need to only being put down the free end 32 of strip dog 3, be blocked arresting disc 2, limit hoisting heavy
Position.
Further, freely rotated when the relative motion between the strip dog 3 and arresting disc 2 is clockwise, counterclockwise
When prevent rotate, it is to avoid accident occur, greatly improve production safety.
Further, the edge of arresting disc 2 is evenly arranged sawtooth 21, and the free end 32 is provided with and the phase of sawtooth 21
The hook 321 mutually engaged, the hook 321 is fitted with the face of sawtooth 21, prevents arresting disc 2 from rotating using frictional force.Stop
When only the appropriate height of lifting holding or chance special circumstances are landed suddenly, rotating shaft reverse self-locking mechanism can be automatically locked, it is to avoid accident
Occur, greatly improve production safety.
Further, the supporting plate 4 is provided with pin 6, and the pin 6 is fixed in supporting plate 4 by pin hole 44, institute
Stating pin 6 is used to place the strip dog 3, and the rotation of the arresting disc 2 is not influenceed., can be by only when lifting process is safe
Dynamic hook 3 is rotated around fixing axle 5, is positioned on the pin 6, is eliminated the friction between uphill process strip dog 3 and arresting disc 2, is subtracted
Decline consumption of the portable strip dog 3 of process to staff's muscle power less.
Further, the fixing axle 5 is provided with welding ends 51, function end 52 and the end of thread 53, the welding ends 51, work(
Energy end 52 and the end of thread 53 are sequentially connected and connect, and the welding ends 51 is welded on fixed shaft hole 43.
Further, the fixing axle 5 is step-like, and the fixing end 31 is fixed in the function end 52 of fixing axle 5, described
Locking nut is screwed with the end of thread 53, the length of function end 52 is than the big 5mm ~ 15mm of the thickness of fixing end 31, it is ensured that locking
After nut is screwed on, strip dog 2 without hindrance can be rotated, and the surface of hook 321 is contacted with the surface maximum area of sawtooth 21 in assembling process.
Embodiment 2：
Referring to accompanying drawing 1 to accompanying drawing 4, a kind of rotating shaft reverse self-locking mechanism, including rotating shaft 1, arresting disc 2, strip dog 3, support
Plate 4 and fixing axle 5, the supporting plate 4 are provided with shaft hole 41, bolt hole 42, fixed shaft hole 43 and pin hole 44, the support
Plate 4 is sleeved in the rotating shaft 1 by shaft hole 41；The rotating shaft 1 is free to rotate, and the arresting disc 2 is assemblied in described turn
On axle 1, the arresting disc 2 is rotated with rotating shaft 1；The fixing axle is fixed in the supporting plate 4, and the strip dog 3 includes solid
Fixed end 31 and free end 32, the fixing end 31 are fixed in fixing axle 5, and the strip dog 3 is freely rotated around fixing axle 5, institute
Free end 32 is stated to ride on the arresting disc 2；When derricking gear hoisting heavy, the free end 32 of strip dog 3 is in arresting disc 2
On slidably；When optional position stops, the free end 32 of strip dog 3 prevents the arresting disc 2 from rotating.Work as derricking gear
During lifting heavy, the arresting disc 2 is rotated clockwise with rotating shaft 1, and the free end 32 of strip dog 3 is in the sawtooth of arresting disc 2
Slided on 21, and when optional position stops, the free end 32 of strip dog 3 prevents the arresting disc 2 from rotating, and has limited lift heavy
The position of thing.When derricking gear puts down weight, strip dog 3 is placed on position shown in Fig. 3 dotted lines, the arresting disc 2 can be inverse
Hour hands are rotated, and when needing to stop, need to only being put down the free end 32 of strip dog 3, be blocked arresting disc 2, limit hoisting heavy
Position.
Further, freely rotated when the relative motion between the strip dog 3 and arresting disc 2 is clockwise, counterclockwise
When prevent rotate, it is to avoid accident occur, greatly improve production safety.
Further, the edge of arresting disc 2 is evenly arranged sawtooth 21, and the free end 32 is provided with and the phase of sawtooth 21
The hook 321 mutually engaged, the hook 321 is fitted with the face of sawtooth 21, prevents arresting disc 2 from rotating using frictional force.Stop
When only the appropriate height of lifting holding or chance special circumstances are landed suddenly, rotating shaft reverse self-locking mechanism can be automatically locked, it is to avoid accident
Occur, greatly improve production safety.
Further, the supporting plate 4 is provided with pin 6, and the pin 6 is fixed in supporting plate 4 by pin hole 44, institute
Stating pin 6 is used to place the strip dog 3, and the rotation of the arresting disc 2 is not influenceed., can be by only when lifting process is safe
Dynamic hook 3 is rotated around fixing axle 5, is positioned on the pin 6, is eliminated the friction between uphill process strip dog 3 and arresting disc 2, is subtracted
Decline consumption of the portable strip dog 3 of process to staff's muscle power less.
Further, erection support 7 in the rotating shaft 1, the bearing 7 is connected by bolt hole 42 with the supporting plate 4,
For supporting the rotating shaft 1.
Further, rocking arm 8 is installed, the rocking arm 8 is used to rotate the rotating shaft 1, facilitates lifting appliance in the rotating shaft 1
Use, improve operating efficiency.
Further, the fixing axle 5 is provided with welding ends 51, function end 52 and the end of thread 53, the welding ends 51, work(
Energy end 52 and the end of thread 53 are sequentially connected and connect, and the welding ends 51 is welded on fixed shaft hole 43.
Further, the fixing axle 5 is step-like, and the fixing end 31 is fixed in the function end 52 of fixing axle 5, described
Locking nut is screwed with the end of thread 53, the length of function end 52 is than the big 5mm ~ 15mm of the thickness of fixing end 31, it is ensured that locking
After nut is screwed on, strip dog 2 without hindrance can be rotated, and the surface of hook 321 is contacted with the surface maximum area of sawtooth 21 in assembling process.
Further, in order to preferably protect cable wire and improve operating efficiency, pacify in the bearing 7 and the rocking arm 8
Fill reductor.
Listed above is only one of this practical specific embodiment.Obviously, this practicality is not limited to above example, may be used also
To there is many similar reshapings.What one of ordinary skill in the art directly can export or associate from this practical disclosure
All deformations, are considered as this practical scope of the claimed.
Claims (7)
1. a kind of rotating shaft reverse self-locking mechanism, including rotating shaft（1）, it is characterised in that：Also include arresting disc（2）, strip dog（3）、
Supporting plate（4）And fixing axle（5）, the supporting plate（4）It is provided with shaft hole（41）, bolt hole（42）, fixed shaft hole（43）With
Pin hole（44）, the supporting plate（4）Pass through shaft hole（41）It is sleeved on the rotating shaft（1）On；The rotating shaft（1）Can freely it turn
It is dynamic, the arresting disc（2）It is assemblied in the rotating shaft（1）On, the arresting disc（2）With rotating shaft（1）Rotate；The fixing axle（5）
It is fixed on the supporting plate（4）On, the strip dog（3）Including fixing end（31）And free end（32）, the fixing end（31）
It is fixed on fixing axle（5）On, the strip dog（3）Around fixing axle（5）Freely rotate, the free end（32）Ride over the stop
Disk（2）On；When derricking gear hoisting heavy, the strip dog（3）Free end（32）In arresting disc（2）On slidably；When
When optional position stops, the strip dog（3）Free end（32）Prevent the arresting disc（2）Rotate.
2. a kind of rotating shaft reverse self-locking mechanism as claimed in claim 1, it is characterised in that：The arresting disc（2）Edge is uniform
Arrange sawtooth（21）, the free end（32）Provided with the sawtooth（21）Intermeshing hook（321）, the hook
（321）With the sawtooth（21）Face is fitted, and prevents arresting disc（2）Rotate.
3. a kind of rotating shaft reverse self-locking mechanism as claimed in claim 2, it is characterised in that：The supporting plate（4）Provided with pin
（6）, the pin（6）Pass through pin hole（44）It is fixed on supporting plate（4）On, the pin（6）For placing the strip dog
（3）, the arresting disc is not influenceed（2）Rotation.
4. a kind of rotating shaft reverse self-locking mechanism as described in any claim in claims 1 to 3, it is characterised in that：It is described
Rotating shaft（1）Upper erection support（7）, the bearing（7）Pass through bolt hole（42）With the supporting plate（4）Connection, for supporting
State rotating shaft（1）.
5. a kind of rotating shaft reverse self-locking mechanism as described in any claim in claims 1 to 3, it is characterised in that：It is described
Rotating shaft（1）Upper installation rocking arm（8）, the rocking arm（8）For rotating the rotating shaft（1）.
6. a kind of rotating shaft reverse self-locking mechanism as claimed in claim 1, it is characterised in that：The fixing axle（5）Provided with weldering
Connect end（51）, function end（52）And the end of thread（53）, the welding ends（51）, function end（52）And the end of thread（53）It is sequentially connected
Connect, the welding ends（51）It is welded on fixed shaft hole（43）On.
7. a kind of rotating shaft reverse self-locking mechanism as claimed in claim 6, it is characterised in that：The fixing axle（5）To be step-like,
The fixing end（31）It is fixed on fixing axle（5）Function end（52）On, the end of thread（53）On be screwed with locking nut, the work(
Can end（52）Length is than the fixing end（31）The big 1mm of thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621299613.0U CN206447514U (en) | 2016-11-30 | 2016-11-30 | A kind of rotating shaft reverse self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621299613.0U CN206447514U (en) | 2016-11-30 | 2016-11-30 | A kind of rotating shaft reverse self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206447514U true CN206447514U (en) | 2017-08-29 |
Family
ID=59662509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621299613.0U Active CN206447514U (en) | 2016-11-30 | 2016-11-30 | A kind of rotating shaft reverse self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206447514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
| CN109779381A (en) * | 2019-01-30 | 2019-05-21 | 国网山东省电力公司建设公司 | A kind of drawstring clamp device of electric power pylon group inner suspended holding pole immediately |
-
2016
- 2016-11-30 CN CN201621299613.0U patent/CN206447514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
| CN109779381A (en) * | 2019-01-30 | 2019-05-21 | 国网山东省电力公司建设公司 | A kind of drawstring clamp device of electric power pylon group inner suspended holding pole immediately |
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