CN206088878U - Clutch of endless chain turn -buckle - Google Patents
Clutch of endless chain turn -buckle Download PDFInfo
- Publication number
- CN206088878U CN206088878U CN201620983787.2U CN201620983787U CN206088878U CN 206088878 U CN206088878 U CN 206088878U CN 201620983787 U CN201620983787 U CN 201620983787U CN 206088878 U CN206088878 U CN 206088878U
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- CN
- China
- Prior art keywords
- stop
- nut
- clutch
- wheel
- handwheel
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Abstract
The utility model belongs to the technical field of the endless chain turn -buckle, clutch of endless chain turn -buckle especially, including major axis and installation long epaxial stopper seat, stop -nut and hand wheel, still include adjusting wheel and the separation and reunion torsional spring that sets up between stop -nut and hand wheel, rotate with the stop -nut is synchronous in the hand wheel, the locating wheel rotates along the major axis axis with synchronous rotation of major axis and relative hand wheel, be equipped with positioning mechanism between hand wheel and the locating wheel, through positioning mechanism makes hand wheel and locating wheel keep relative and rotates or relatively fixed. The utility model is simple in operation convenient, braking effect is good, the security is high, operating condition switches simply, nimble, only needs to apply less power through the hand wheel and can make the stopper normally work, because the effect of separation and reunion torsional spring had both increased the pressure of stop -nut with the ratchet, has guaranteed braking effect moreover, prevents again that the stop -nut pine from taking off, has improved the security performance.
Description
Technical field
The utility model belongs to loop chain turnbuckle technical field, particularly a kind of arrangement of clutch of loop chain turnbuckle.
Background technology
Loop chain turnbuckle is by handle drives chain, with the lifting gear for driving load-engaging device to move by manpower.Its knot
Structure is compact, easy to carry, easily operation, it is adaptable to the lifting in outlying district and field, drags and draws operation, and lifted and drag draw away from
From unrestricted.Particularly in the stringing operation of power industry, usually require that wire stretcher has and drag chain function, in Light Condition
When can quickly drag chain, improve operating efficiency.
In prior art, for example：A kind of light aluminum alloy cable chain tightener described in application number 200710068510.2,
It drags the left side that brake seat in chain mechanism loads long shaft gear by spline, friction plate empty set on brake seat, clutch bullet
Spring is placed between brake seat and brake nut, and the operation principle of this mechanism is caused using the elastic force of brake spring
Brake is released in zero load, so as to drag chain.Therefore this mechanism ratchet in small load skids with friction plate and causes
Brake possibly cannot braking operation problem, there is potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of arrangement of clutch of loop chain turnbuckle, both can guarantee that safety arrestment worked,
There is zero load freely to drag the function of chain again.
The utility model technical scheme is that:A kind of arrangement of clutch of loop chain turnbuckle, including
Major axis and the brake seat on the major axis, stop-nut and handwheel, are socketed with ratchet, institute on the brake seat
The both sides for stating ratchet are provided with friction plate, also turn round including locating wheel, the adjustment wheel being arranged between stop-nut and handwheel and clutch
Spring, the adjustment wheel be socketed on major axis and with major axis synchronous axial system, the clutch torsion spring be arranged on stop-nut with adjustment wheel
Between, the termination at its two ends is connected to stop-nut and takes turns with adjustment；The handwheel be socketed on major axis and with the system
Dynamic nut synchronous axial system, the locating wheel is rotated with major axis synchronous axial system and relative to handwheel around long axis ray, the handwheel with it is fixed
Detent mechanism is provided between the wheel of position, makes handwheel keep relatively rotating or being relatively fixed with locating wheel by the detent mechanism.
In load, loop chain turnbuckle of the prior art makes stop-nut pressing friction piece and spine by rotating handwheel
Wheel, makes ratchet rotate together by frictional force, and it is the disadvantage is that, when handwheel is rotated, brake spring is compressed, the elastic force of generation
Act on stop-nut, make stop-nut be difficult to compress ratchet by friction plate, and stop-nut is big with the pressure of ratchet
The little size for depending entirely on the power that user is applied on handwheel, stop-nut is tighter with ratchet pressure, and braking effect is got over
Good, the power acted on handwheel is bigger, and user's operation is harder.And in use due to vibration and brake spring
Elastic force effect so that stop-nut circles round and causes dynamic nut to reduce with the pressure of ratchet, and ratchet easily skids to be caused to lose
Braking function.The utility model is provided with locating wheel, adjustment wheel and clutch torsion spring, in zero load, by hand wheel rotating spiral shell is braked
Mother, releases brake, and now detent mechanism operation is connected as a single entity on handwheel, stop-nut and adjustment wheel and locating wheel, with long
Axle is rotated together, and now chain can be draged freely.During load, rotational positioning wheel so as to separate with handwheel, by rotating handwheel
Make stop-nut compress ratchet, while clutch torsion spring passes through twisting force on stop-nut, make stop-nut automatic impaction spine
Wheel, makes stop-nut compress ratchet, it is ensured that braking effect by this double action.
Preferably, the stop-nut is provided with Access Division with the junction of the handwheel, the Access Division includes clamping
Arm, forms buckling groove between two neighboring snap-arms, the handwheel is by snap-arms and buckling groove and stop-nut clamping.
Preferably, the adjustment wheel is provided with stop part, the end of the clutch one end near one end of clutch torsion spring
Head is fixed on the stop part.
Preferably, the stop part is provided with the side block portion for extending to clutch torsion spring and surrounding clutch one end.
Preferably, the locating wheel is socketed in handwheel, the adjustment wheel is with locating wheel by spline connection in major axis
On, and be fixed on major axis by nut.
Preferably, the detent mechanism includes the locating slot being arranged in locating wheel, the location hole being arranged on handwheel
With the keeper and elastic component being arranged in location hole, keeper shifting in location hole under the elastic force effect of elastic component
It is dynamic, the keeper is pressed in locating wheel or in locating slot, make handwheel keep relatively rotating or being relatively fixed with locating wheel.
Preferably, the handwheel is provided with positioning seat, the location hole is arranged on positioning seat.
Preferably, the locating wheel is provided with connecting portion, the connecting portion passes through spline connection on major axis, described fixed
Position groove is arranged on connecting portion.
Preferably, being provided with the locating wheel for the rotating part of rotational positioning wheel.
In sum, the utility model has following beneficial effects：The utility model is simple to operation, braking effect
Good, safe, working condition switching is simple, flexible, and by only need to applying less power by handwheel the normal work of brake is made
Make, and due to the effect of clutch torsion spring, both increased the pressure of stop-nut and ratchet, it is ensured that braking effect, prevent again
Stop-nut is released, and improves security performance.
Description of the drawings
Fig. 1 is the exploded view of the utility model embodiment；
Fig. 2 is the sectional view of the utility model embodiment；
Fig. 3 is locating wheel and handwheel attachment structure schematic diagram in the utility model embodiment；
In figure, 1- brake seats, 2- friction plates, 3- ratchets, 4- stop-nuts, 41- frictions portion, 42- socket parts, 43- is changed
To ratchet, 44- snap-arms, 45- buckling grooves, 5- clutch torsion springs, 6- adjustment wheels, 61- stop parts, 62- side blocks portion, 63- torsion springs peace
Dress hole, 64- splined holes, 7- handwheels, 71- positioning seats, 72- location holes, 73- elastic components, 74- keepers, 8- locating wheels, 81- connects
Socket part, 82- locating slots, 83- rotating parts, 9- major axis, 10- nuts.
Specific embodiment
The present embodiment is only that it is not to restriction of the present utility model, this area skill to explanation of the present utility model
Art personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but as long as
All protected by Patent Law in right of the present utility model.The utility model is made into one below in conjunction with accompanying drawing
Step is described in detail.
Embodiment：As shown in Figure 1, Figure 2 and Figure 3, a kind of arrangement of clutch of loop chain turnbuckle, including major axis 9 and it is arranged on
Brake seat 1, stop-nut 4, handwheel 7, locating wheel 8 on major axis 9 and the tune being arranged between stop-nut 4 and handwheel 7
Whole wheel 6 and clutch torsion spring 5.Brake seat 1 is socketed with ratchet 3, the wheel both sides of ratchet 3 by spline connection on major axis 9, thereon
Friction plate 2 is provided with, one end of stop-nut 4 is pressed on friction plate 2, with brake seat 1 ratchet 3 is braked jointly.
Adjustment wheel 6 is socketed in stop-nut 4, and adjustment wheel 6 is provided with the splined hole that insertion adjustment wheel 6 passes through major axis 9
64, adjustment wheel 6 makes it with the synchronous axial system of major axis 9 with major axis 9 by spline connection.Clutch torsion spring 5 is arranged on stop-nut 4 and adjusts
Between whole wheel 6, the termination at its two ends is connected to stop-nut 4 and takes turns on 6 with adjustment.Adjustment wheel 6 is near the one of clutch torsion spring 5
End is provided with the stop part 61 of several circle distributions, and stop part 61 is provided with torsion spring installing hole 63, the termination of the one end of clutch torsion spring 5
It is plugged in torsion spring installing hole 63.Stop part 61 is provided with the side block for extending to clutch torsion spring 5 and surrounding the one end of clutch torsion spring 5
Portion 62.
Stop-nut 4 includes friction portion 41, the socket part 42 being arranged in friction portion 41 and is arranged on socket part 42
Commutation ratchet 43.Friction portion 41 is located near the side of friction plate 2, and stop-nut 4 is screwed onto on major axis 9 by screw thread, is passed through
Rolling brake nut 4 adjusts the gap in friction portion 41 and friction plate 2.Clutch torsion spring 5 and adjustment wheel 6 are arranged in socket part 42,
Adjustment wheel 6 can be rotated relative to socket part 42.Stop-nut 4 is provided with Access Division with the junction of handwheel 7, and Access Division includes clamping
Arm 44, forms buckling groove 45 between two neighboring snap-arms 44, handwheel 7 is by snap-arms 44 and buckling groove 45 and stop-nut 4
Clamping so as to keep synchronous axial system with stop-nut 4.
Handwheel 7 be socketed on major axis 9 and with the synchronous axial system of stop-nut 4, and can relative adjustment wheel 6 turn around the axis of major axis 9
It is dynamic.Be provided with detent mechanism between handwheel 7 and locating wheel 8, make handwheel 7 and locating wheel 8 keep relatively rotating by detent mechanism or
It is relatively fixed.Detent mechanism includes the locating slot 82 being arranged in locating wheel 8, the location hole 72 being arranged on handwheel 7 and arranges
Keeper 74 and elastic component 73 in location hole 72, elastic component 73 is spring.Keeper 74 is acted in the elastic force of elastic component 73
Under move in location hole 72 so as to be pressed in locating wheel 8 or in locating slot 82, make handwheel 7 and locating wheel 8 keep relative and turn
Move or be relatively fixed.Handwheel 7 is provided with some positioning seats 71 around the circumference uniform distribution of major axis 9, and location hole 72 is arranged on positioning seat 71
On.Locating wheel 8 is provided with connecting portion 81, and locating slot 82 is arranged on connecting portion 81, and connecting portion 81 is by spline connection in major axis 9
On, locating wheel 8 is fixed on major axis 9 by nut 10 makes it rotate with the synchronous axial system of major axis 9 and relative to handwheel 7, in locating wheel 8
It is provided with the rotating part 83 for rotational positioning wheel 8.
When zero load needs to drag chain, rotating handwheel 7 and driving stop-nut 4 to rotate makes stop-nut 4 away from friction
Piece 2, makes to produce gap between brake seat 1, ratchet 3 and friction plate 2, and the keeper 74 on handwheel 7 is snapped onto into locating wheel 8
On locating slot 82 in, make handwheel 7 and locating wheel 8 keep being relatively fixed.It is fixed on because handwheel 7 and stop-nut 4 are relative
On major axis 9, can not turn round under the twisting force of clutch torsion spring 5 with adjustment wheel 6 and locating wheel 8, therefore, it is possible to ensure stop-nut 4
Produce gap all the time between brake seat 1, friction plate 2 and ratchet 3.When now draging chain, the drive brake seat 1 of major axis 9,
Stop-nut 4, adjustment wheel 6, locating wheel 8 and handwheel 7 are together rotated.
When loaded work piece is needed, rotate backward handwheel 7 and drive stop-nut 4 to rotate, make the pressing friction of stop-nut 4
Piece 2, and keeper 74 is produced from locating slot 82, handwheel 7 and stop-nut 4 are enable with major axis 9, locating wheel 8 and adjustment
Wheel 6 produces relative rotation.The clutch torsion spring 5 of torsion by twisting force to stop-nut 4, turns round stop-nut 4 at this moment,
So that the further pressing friction piece 2 of stop-nut 4, it is ensured that brake is in all the time braking operation.
Claims (9)
1. a kind of arrangement of clutch of loop chain turnbuckle, including major axis（9）With installed in the major axis（9）On brake seat（1）、
Stop-nut（4）And handwheel（7）, the brake seat（1）On be socketed with ratchet（3）, the ratchet（3）Both sides be provided with and rub
Pad（2）, it is characterised in that：Also include locating wheel（8）, be arranged on stop-nut（4）With handwheel（7）Between adjustment wheel（6）
With clutch torsion spring（5）, the adjustment wheel（6）It is socketed in major axis（9）Upper and and major axis（9）Synchronous axial system, the clutch torsion spring（5）
It is arranged on stop-nut（4）With adjustment wheel（6）Between, the termination at its two ends is connected to stop-nut（4）With adjustment wheel（6）
On；The handwheel（7）It is socketed in major axis（9）It is upper and with the stop-nut（4）Synchronous axial system, the locating wheel（8）With major axis
（9）Synchronous axial system and relative handwheel（7）Around major axis（9）Axis is rotated, the handwheel（7）With locating wheel（8）Between be provided with positioning
Mechanism, by the detent mechanism handwheel is made（7）With locating wheel（8）Keep relatively rotating or being relatively fixed.
2. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 1, it is characterised in that：The stop-nut（4）
With the handwheel（7）Junction be provided with Access Division, the Access Division includes snap-arms（44）, two neighboring snap-arms（44）It
Between form buckling groove（45）, the handwheel（7）By snap-arms（44）And buckling groove（45）With the stop-nut（4）Clamping.
3. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 1, it is characterised in that：The adjustment wheel（6）Lean on
Nearly clutch torsion spring（5）One end be provided with stop part（61）, the clutch torsion spring（5）The termination of one end is fixed on the stop part
（61）On.
4. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 3, it is characterised in that：The stop part（61）On
It is provided with to clutch torsion spring（5）Extend and by clutch torsion spring（5）The side block portion that one end surrounds（62）.
5. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 4, it is characterised in that：The locating wheel（8）Set
It is connected on handwheel（7）It is interior, the adjustment wheel（6）With locating wheel（8）By spline connection in major axis（9）On, and by nut（10）
It is fixed on major axis（9）On.
6. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 1, it is characterised in that：The detent mechanism includes
It is arranged on locating wheel（8）On locating slot（82）, be arranged on handwheel（7）On location hole（72）Be arranged on location hole（72）It is interior
Keeper（74）And elastic component（73）, the keeper（74）In elastic component（73）Elastic force effect under in location hole（72）It is interior
It is mobile, make the keeper（74）It is pressed on locating wheel（8）Upper or locating slot（82）It is interior, make handwheel（7）With locating wheel（8）Keep
Relatively rotate or be relatively fixed.
7. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 6, it is characterised in that：The handwheel（7）On set
There is positioning seat（71）, the location hole（72）It is arranged on positioning seat（71）On.
8. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 7, it is characterised in that：The locating wheel（8）On
It is provided with connecting portion（81）, the connecting portion（81）By spline connection in major axis（9）On, the locating slot（82）It is arranged on connection
Portion（81）On.
9. the arrangement of clutch of a kind of loop chain turnbuckle according to claim 8, it is characterised in that：The locating wheel（8）It is interior
It is provided with for rotational positioning wheel（8）Rotating part（83）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983787.2U CN206088878U (en) | 2016-08-30 | 2016-08-30 | Clutch of endless chain turn -buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983787.2U CN206088878U (en) | 2016-08-30 | 2016-08-30 | Clutch of endless chain turn -buckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206088878U true CN206088878U (en) | 2017-04-12 |
Family
ID=58473718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620983787.2U Active CN206088878U (en) | 2016-08-30 | 2016-08-30 | Clutch of endless chain turn -buckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206088878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081983A (en) * | 2016-08-30 | 2016-11-09 | 浙江冠林机械有限公司 | A kind of arrangement of clutch of loop chain tightener |
| CN110932196A (en) * | 2018-09-19 | 2020-03-27 | 中央发条株式会社 | Cable support device |
-
2016
- 2016-08-30 CN CN201620983787.2U patent/CN206088878U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081983A (en) * | 2016-08-30 | 2016-11-09 | 浙江冠林机械有限公司 | A kind of arrangement of clutch of loop chain tightener |
| CN106081983B (en) * | 2016-08-30 | 2019-03-01 | 浙江冠林机械有限公司 | A kind of arrangement of clutch of loop chain cord holder |
| CN110932196A (en) * | 2018-09-19 | 2020-03-27 | 中央发条株式会社 | Cable support device |
| CN110932196B (en) * | 2018-09-19 | 2021-03-19 | 中央发条株式会社 | Cable support device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |