CN206417805U - It is a kind of to limit twisted rope device for no reason - Google Patents
It is a kind of to limit twisted rope device for no reason Download PDFInfo
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- CN206417805U CN206417805U CN201720021074.2U CN201720021074U CN206417805U CN 206417805 U CN206417805 U CN 206417805U CN 201720021074 U CN201720021074 U CN 201720021074U CN 206417805 U CN206417805 U CN 206417805U
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- side plate
- pulley
- twisted rope
- speed change
- reason
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 230000000630 rising effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a kind of limit twisted rope device for no reason, including, the first side plate, the second side plate；Pulley, can be rotated between first, second side plate and relative to the two, and provided with tooth cavity in speed change in pulley wherein a surface, the periphery of tooth cavity is provided with a plurality of teeth portion in speed change；Connecting shaft, for first, second side plate and pulley to be linked together；Pinion shaft and little gear, pinion shaft is on the first side plate；Pawl device；Locating detent, one end is on the second side wall inner surfaces, and the other end is combined with the lock pin breach located at the first side plate wherein one end；Banking pin, on the inner surface of the second side plate.Compared with the existing technology the lifting device constituted using multiple pulleys is compared, and the utility model is laborsaving, and required rope lengths are shorter, and simple in construction, and safety coefficient is high.
Description
Technical field
The utility model be related to rock-climbing, climb tree, exploratory heading, rescue and mountain-climbing technique with the apparatus field, referring in particular to one kind is used for
Equipment, personnel are transported, the twisted rope device for rising, declining on the rope of function can be achieved.
Background technology
Either in extreme sport, fire-fighting and rescue or field rescue, rock-climbing, mountain-climbing etc., or explore, disappear
Prevent, the on of rescue is climbed or transport goods, it is necessary to hoist, in this process, be required to use lifting system, at present
All it is that Force system is saved using Combined pulley form or making, such as 200 jin of goods and materials are lifted 50 meters by an individual demand, and midway is not
Allow to stop, disposable lifting, calculated according to parallel 40 jin of pulling force (including coefficient of friction), it is necessary to do one 1:5 assembly pulley,
At least need 260 meters of ropes with several pulleys to complete, if offhand so many rope, that is accomplished by midway and repeatedly pacified
Dress system, no matter which kind of method taken, is required for substantial amounts of rope and equipment to complete, exhausts the people and drains the treasury, waste time and energy, install secondary
Number is more, and safety coefficient is lower.
Utility model content
In order to overcome the deficiencies in the prior art part, the utility model purpose is that providing one kind only sets single-sheaved block,
Single-sheaved block can be rotated clockwise or counterclockwise, and realize the twisted rope device of limit for no reason for rising or falling function.
To achieve the above object, the technical solution adopted in the utility model is：A kind of limit twisted rope device for no reason, including, first
Side plate, the second side plate；
Pulley, can be rotated between first, second side plate and relative to the two, and twisted rope groove is provided with the periphery of pulley,
Provided with tooth cavity in speed change in pulley wherein a surface, the periphery of tooth cavity is provided with a plurality of teeth portion in speed change, and pulley, which is set, to be become
The surface of tooth cavity and the inner surface of the first side plate fit in fast；
Connecting shaft, for first, second side plate and pulley to be linked together, the pulley sleeve is in connecting shaft；
Pinion shaft and little gear, pinion shaft is on the first side plate, and little gear is located on the inner end of pinion shaft,
And little gear is located at speed change internal tooth intracavitary and is meshed with teeth portion, the outer end of pinion shaft is located at the control stick lock pin of radial direction
Hole, pinion shaft and little gear can be rotated relative to the first side plate；
Pawl device, including the rotating bar on the first side plate, the controlling switch handle located at rotating bar outer end, if
In the ratchet of rotating bar inner end, return spring of the one end on the first side wall inner surfaces, the return spring other end and ratchet
Lower end be connected, ratchet be located at speed change internal tooth intracavitary；
Locating detent, one end is on the second side wall inner surfaces, the other end and the lock pin located at the first side plate wherein one end
Breach is combined；
Banking pin, on the inner surface of the second side plate.
Preferably, described first side plate the other end is provided with the first upper hanging hole, and first upper hanging hole is with being located at the second side
The second upper hanging hole alignment of plate wherein one end；The other end of second side plate is provided with lower hanging hole.
Preferably, the twisted rope slot cross-section shape is V-shaped, and a plurality of oblique whirlpools are provided with the both sides inwall of twisted rope groove
Revolve eccentric grove.
Preferably, the free end of the locating detent is provided with annular groove, the edge of the lock pin breach on the first side plate with
Annular groove is combined；A conductor rope bearing is arranged with the locking bar section of locating detent.
Provided with an axle sleeve in the central shaft hole of pulley, the axle sleeve is in connecting shaft.
The ratchet upper end is meshed with the teeth portion of speed change internal tooth intracavitary, now, and pinion shaft can only clockwise or the inverse time
Pin single direction rotation, and drive pinion rotation, little gear band movable pulley one-directional rotation clockwise or counterclockwise, during pulley rotation,
Slided on the upper surface of teeth portion ratchet upper end.
Advantageous effects：Using lever principle, grafting control stick, control stick at the control lever lock pin-and-hole of pinion shaft
The several times of adjustable in length, generally pinion shaft diameter, control stick drives little gear to rotate clockwise or counterclockwise, with smaller
Power the teeth portion that is meshed with little gear can be driven to rotate, now ratchet upper end is meshed with the teeth portion in tooth cavity, pulley
Can be rotated in direction, can also anti-limited slip wheel rotated backward under weight effect, rope of the pulley driving on twisted rope groove
Move up；Itself section of twisted rope groove is V-shaped, and a plurality of oblique vortex eccentric groves are provided with the both sides inwall of twisted rope groove,
Cord segment in twisted rope groove is extruded to twisted rope trench bottom under gravity, and vortex eccentric grove connects with rope both sides
Touch, the inner of each vortex eccentric grove sideling points to twisted rope trench bottom, and outer end opening is located on the periphery of pulley, all
The space of the receiving rope of vortex eccentric grove one vortex shape of formation；During lifting heavy, contacted with each other positioned at rope and pulley and
The outer end of the vortex eccentric grove of the start position of stress is all up oblique, and pulley center, that is, twisted rope groove are sideling pointed in the inner
Rope is cut with scissors stuck to twisted rope trench bottom, prevents rope from being skidded on pulley by bottom, vortex eccentric grove stress；When rope continues
When running to final position, now rope will be separated with twisted rope groove, the vortex eccentric grove outer end of destination county be all then toward oblique,
The vortex eccentric grove in final position changes and the snap-in force of rope diminishes because of Impact direction, by rope in the presence of conductor rope bearing
Separated with twisted rope groove, so that the weight hung over above rope is drawn high into specified location；When transferring weight, controlling switch hand is rotated
Handle, departs from ratchet upper end and teeth portion, releases monodirectional locking of the ratchet to pulley, and rope is hung on braking lock pin, using rubbing
Power is wiped, is completed jointly with reference to the drop device hung over above lower hanging hole, the lifting compared with the existing technology constituted using multiple pulleys
Device is compared, and the utility model is laborsaving, and required rope lengths are shorter, and simple in construction, and safety coefficient is high.
Brief description of the drawings
Fig. 1 is the first stereogram of the present utility model；
Fig. 2 is the second stereogram of the present utility model；
Fig. 3 is the 3rd stereogram of the present utility model；
Fig. 4 is decomposing schematic representation of the present utility model；
Fig. 5 is part schematic diagram set by the side wall inner surfaces of the utility model first；
Fig. 6 is pulley schematic perspective view of the present utility model；
Fig. 7 is implementation illustration when the utility model rises；
Fig. 8 is implementation illustration when the utility model declines.
Embodiment
In order that those skilled in the art more fully understand this New Scheme, below in conjunction with the accompanying drawings with embodiment to this
Utility model is described in further detail.
First side plate and the second side plate are after pulley is combined, the surface fitted on the first side plate and the second side plate with pulley
For inner surface, on the contrary is outer surface.Correspondingly, one end that other parts are located between the first side plate and the second side plate is then defined
It is on the contrary then be outer end for inner end.
As shown in figures 1 to 6, limit twisted rope device includes for no reason, the first side plate 1, the second side plate 2；
Pulley 3, can be rotated between first, second side plate 1,2 and relative to the two, provided with twisting in the periphery of pulley 3
Grooving 301, provided with tooth cavity 302 in speed change in pulley wherein a surface, the periphery of tooth cavity 302 is provided with plurality of pins in speed change
Portion 303, pulley 3 sets the surface of tooth cavity and the inner surface of the first side plate 1 in speed change to fit；
Connecting shaft 4, for first, second side plate 1,2 and pulley 3 to be linked together, the pulley 3 is sheathed on connecting shaft
On；
Pinion shaft 5 and little gear 6, pinion shaft 5 is on the first side plate 1, and little gear 6 is interior located at pinion shaft 5
On end, and little gear 6 is located in speed change in tooth cavity 302 and is meshed with teeth portion 303, and the outer end of pinion shaft 5 is located at footpath
To control lever lock pin-and-hole 501, pinion shaft 5 and little gear 6 can be rotated relative to the first side plate 1；
Pawl device, including the rotating bar 7 on the first side plate, the controlling switch handle 8 located at rotating bar outer end,
Located at the ratchet 9 of rotating bar inner end, return spring 10 of the one end on the inner surface of the first side plate 1, the return spring other end
It is connected with the lower end of ratchet, ratchet 9 is located in speed change in tooth cavity 302；
Locating detent 11, one end is on the inner surface of the second side plate 2, and the other end is with being located at the first side plate 1 wherein one end
Lock pin breach 101 is combined；
Banking pin 12, on the inner surface of the second side plate 2.
Return spring 10, rise separation and connection function, when controlling switch handle 8 be located at ON position when, i.e., ratchet 9 with
The teeth portion 303 of speed change internal tooth intracavitary is separated, and whole system plays speed pulley；When controlling switch handle 8 is located at the position of " conjunction "
When putting, ratchet 9 is engaged with the teeth portion 303 of speed change internal tooth intracavitary, in return spring 10 to applying active force, 3, pulley on ratchet
Can one direction operation, the unidirectional pulley action of whole system.
In the present embodiment, described the other end of first side plate 1 be provided with the first upper hanging hole 102, first upper hanging hole with
The second upper hanging hole 201 located at the second side plate 2 wherein one end aligns；The other end of second side plate 2 is provided with lower hanging hole 202.
The both sides inwall of twisted rope groove 301 is provided with a plurality of vortex eccentric grove 301a.
The free end of the locating detent 11 is provided with the edge of the lock pin breach 101 on annular groove 1101, the first side plate
It is combined with annular groove；A conductor rope bearing 13 is arranged with the locking bar section of locating detent.
Provided with an axle sleeve 14 in the central shaft hole 304 of pulley, the axle sleeve is in connecting shaft 4.Axle sleeve 14 is one
The copper sheathing of lubricating oil is carried, its equivalent to one bearing, copper sheathing is set in the central shaft hole of pulley, is slided when connecting shaft 4 is passed through
During wheel, axle sleeve is in connecting shaft, and the axle rotation that is connected.
When needing lifting heavy, the upper end of ratchet 9 is in contact with the upper surface of teeth portion 303 of speed change internal tooth intracavitary, this
When, pinion shaft 5 can only be turned clockwise and drive little gear 6 to rotate, and little gear band movable pulley 3 is rotated clockwise, 3 turns of pulley
When dynamic, the upper end of ratchet 9 is slided on the upper surface of teeth portion 303.
Locating detent 11, plays the conductor rope bearing 13 on the first side plate 1 of connection, the second side plate 2, locating detent, when
Rope, which bears a heavy burden, rises stress hinge on twisted rope groove 301, and conductor rope bearing 13 plays a part of separating rope with twisted rope groove 301,
Rope is play the guiding role simultaneously.
Banking pin 12, when rope, which bears a heavy burden, to be declined, the rope of upper end is exerted oneself laterally to pull to banking pin, at this moment rope is in system
Become L-shaped in the presence of dynamic pin 12, reduce decrease speed using the principle for increasing frictional force, as shown in Figure 8.
In the present embodiment, heavy lift is realized using rotating clockwise, it is obvious that the adjustment installation direction of pulley 3 and ratchet
The ratchet 9 of device, also can realize that weight is carried by rotating in an anti-clockwise direction pinion shaft, and then being rotated counterclockwise with movable pulley
Rise.
Using lever principle, 501 grafting control sticks, control stick adjustable length at the control lever lock pin-and-hole of pinion shaft 5
Whole, generally several times of pinion shaft diameter, control stick drives little gear 6 to rotate clockwise, with less power can drive with
The teeth portion 303 that little gear 6 is meshed is rotated, and now the upper end of ratchet 9 is meshed with the teeth portion 303 in tooth cavity, and pulley 3 can only be one
Individual direction is rotated, can also anti-limited slip wheel rotated backward under weight effect, pulley 3 drives the rope 15 on twisted rope groove upward
It is mobile；Itself section of twisted rope groove 301 is V-shaped, and a plurality of oblique vortex eccentric groves are provided with the both sides inwall of twisted rope groove
301a, the cord segment in twisted rope groove 301 is extruded to twisted rope trench bottom under gravity, vortex eccentric grove 301a and rope
Rope both sides are in contact, and the inner of each vortex eccentric grove sideling points to twisted rope trench bottom, so that acting on above control stick
Power drive little gear, the teeth portion of linkage, the twisted rope groove above pulley to take the principle of centripetal slip to carry out cutting with scissors dead to rope, outside
End opening is located on the periphery of pulley 3, and all vortex eccentric grove 301a form the space of the receiving rope of a vortex shape.
As shown in Fig. 2 and Fig. 6-7, during lifting heavy, contacted with each other positioned at rope 15 and pulley and stress start position a
Vortex eccentric grove 301a outer end be all that up tiltedly, pulley center, that is, twisted rope trench bottom are sideling pointed in the inner, are vortexed inclined
Heart groove stress, cuts with scissors stuck to twisted rope trench bottom by rope 15, prevents rope 15 from being skidded on pulley 3；When rope is continued to run until
During the b of final position, now rope 15 will be separated with twisted rope groove 301, and the vortex eccentric grove 301a outer ends of destination county are all then past
Oblique, the vortex eccentric grove in final position changes and the snap-in force of rope diminishes because of Impact direction, in the effect of conductor rope bearing 13
It is lower to separate rope with twisted rope groove 301, so that the weight hung over above rope is drawn high into specified location.
As shown in figure 8, during decentralization weight, rotating controlling switch handle 8, the upper end of ratchet 9 is departed from teeth portion, release ratchet
The monodirectional locking of 9 pairs of pulleys, rope 15 is hung on banking pin 12, using frictional force, with reference to the decline hung over above lower hanging hole
Device 16 is completed jointly.
Although depicting the utility model by embodiment, it will be appreciated by the skilled addressee that the utility model has perhaps
Shape changeable and change without departing from spirit of the present utility model, it is desirable to appended claim include these deformation and change without
Depart from spirit of the present utility model.
Claims (6)
1. a kind of limit twisted rope device for no reason, it is characterised in that including the first side plate, the second side plate；
Pulley, can be rotated between first, second side plate and relative to the two, twisted rope groove is provided with the periphery of pulley, in cunning
The periphery that tooth cavity in tooth cavity in speed change, speed change is provided with a wherein surface is taken turns provided with a plurality of teeth portion, pulley is set in speed change
The surface of tooth cavity and the inner surface of the first side plate fit；
Connecting shaft, for first, second side plate and pulley to be linked together, the pulley sleeve is in connecting shaft；
Pinion shaft and little gear, pinion shaft is on the first side plate, and little gear is located on the inner end of pinion shaft, and small
Gear is located at speed change internal tooth intracavitary and is meshed with teeth portion, and the outer end of pinion shaft is located at the control lever lock pin-and-hole of radial direction, small
Gear shaft and little gear can be rotated relative to the first side plate；
Pawl device, including the rotating bar on the first side plate, the controlling switch handle located at rotating bar outer end, located at turn
Under the ratchet of lever inner end, return spring of the one end on the first side wall inner surfaces, the return spring other end and ratchet
End is connected, and ratchet is located at speed change internal tooth intracavitary；
Locating detent, one end is on the second side wall inner surfaces, the other end and the lock pin breach located at the first side plate wherein one end
It is combined；
Banking pin, on the inner surface of the second side plate.
2. as claimed in claim 1 a kind of limit twisted rope device for no reason, it is characterised in that described first side plate the other end is provided with the
One upper hanging hole, first upper hanging hole aligns with the second upper hanging hole located at the second side plate wherein one end；Second side plate it is another
One end is provided with lower hanging hole.
3. a kind of limit twisted rope device for no reason as claimed in claim 1, it is characterised in that the twisted rope slot cross-section shape is V-shaped,
The both sides inwall of twisted rope groove is provided with a plurality of oblique vortex eccentric groves.
4. a kind of limit twisted rope device for no reason as claimed in claim 1, it is characterised in that the free end of the locating detent is provided with
The edge of lock pin breach on annular groove, the first side plate is combined with annular groove；One is arranged with the locking bar section of locating detent
Conductor rope bearing.
5. a kind of limit twisted rope device for no reason as claimed in claim 1, it is characterised in that provided with an axle in the central shaft hole of pulley
Set, the axle sleeve is in connecting shaft.
6. a kind of limit twisted rope device for no reason as claimed in claim 1, it is characterised in that the ratchet upper end and speed change internal tooth intracavitary
Teeth portion be meshed, now, pinion shaft can only single direction rotation, and drive pinion rotation, little gear clockwise or counterclockwise
Band movable pulley one-directional rotation clockwise or counterclockwise, during pulley rotation, ratchet upper end is slided on the upper surface of teeth portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021074.2U CN206417805U (en) | 2017-01-09 | 2017-01-09 | It is a kind of to limit twisted rope device for no reason |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021074.2U CN206417805U (en) | 2017-01-09 | 2017-01-09 | It is a kind of to limit twisted rope device for no reason |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206417805U true CN206417805U (en) | 2017-08-18 |
Family
ID=59574316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021074.2U Expired - Fee Related CN206417805U (en) | 2017-01-09 | 2017-01-09 | It is a kind of to limit twisted rope device for no reason |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206417805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744436A (en) * | 2017-01-09 | 2017-05-31 | 叶雄辉 | It is a kind of to limit twisted rope device for no reason |
-
2017
- 2017-01-09 CN CN201720021074.2U patent/CN206417805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744436A (en) * | 2017-01-09 | 2017-05-31 | 叶雄辉 | It is a kind of to limit twisted rope device for no reason |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170818 |