CN205472382U - A closing device for hoist roller - Google Patents
A closing device for hoist roller Download PDFInfo
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- CN205472382U CN205472382U CN201521084441.0U CN201521084441U CN205472382U CN 205472382 U CN205472382 U CN 205472382U CN 201521084441 U CN201521084441 U CN 201521084441U CN 205472382 U CN205472382 U CN 205472382U
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- roller bearing
- connector
- linking arm
- hold down
- cross structure
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Abstract
The utility model provides a closing device for hoist roller. This closing device includes: first roller bearing has first end and second end, the second roller bearing has first end and second end, and connection structure, including first connecting piece and second connecting piece, wherein, first connecting piece is connected first roller bearing first end with the second roller bearing first end, the second connecting piece is connected first roller bearing second end with the second roller bearing the second end, first roller bearing with the second roller bearing is suitable for the rotation around respective the central axis, thereby works as preloading device with when the reel cooperation is used, first roller bearing with the second roller bearing can be right winding rope is exerted pressure on the reel. Therefore, the utility model provides a closing device can be applied to hoist roller, and the production that relaxes, take off groove, reversal phenomenon of reducible rope.
Description
Technical field
This utility model relates to crane field, particularly relates to a kind of hold down gag for hoist roller.
Background technology
Crane is a kind of to may be implemented in the plant equipment of moving heavy object in certain limit, and wherein reel has been
Heavy-duty machine realizes one of vitals of weight lifting.
Generally, reel is configured to cylindric, and one end of rope is fixed on described reel by pressing plate, from
And by rotating about the axis thereof reel, rope is wrapped on the outer peripheral face of reel.It addition, the periphery of reel
It is formed with grooving on face and is wrapped in rope thereon for guiding in an orderly manner, thus the suitable of process that ensure to hoist
Profit is carried out.
But, during rope closing, (will rope be wound to reel outer peripheral face during) can produce rope
The phenomenon that rope is lax, especially when zero load or load are less.This by affect rope ordered arrangement and can
Follow-up rope process of putting (i.e. rope departs from the process of reel) can be impacted.Even it addition,
When loading bigger, because rope there may be certain inclination angle relative to grooving, will also result in rope and take off
Groove, dislocation.
Accordingly, it is desirable to provide a kind of hold down gag for hoist roller, its can reduce line relaxation,
De-groove, the generation of inconsistent phenomenon.
Utility model content
The problem that this utility model solves is to provide a kind of hold down gag for hoist roller, and it can subtract
Light line relaxation, de-groove, the generation of inconsistent phenomenon.
For solving the problems referred to above, this utility model provides a kind of hold down gag for hoist roller,
It is characterized in that, including: the first roller bearing, there is the first end and the second end；Second roller bearing, has first
End and the second end；And attachment structure, including the first connector and the second connector, wherein, described
A connection piece connects described first end and described first end of described second roller bearing, the institute of described first roller bearing
State the second connector and connect described second end and described the second of described second roller bearing of described first roller bearing
End, described first roller bearing and described second roller bearing are suitable to around respective center axis thereof, thus work as described
Pre-tightening apparatus and described reel with the use of time, described first roller bearing and described second roller bearing can be to described volumes
The rope being wound around on cylinder applies pressure.
Optionally, when described pre-tightening apparatus and described reel with the use of time, described first roller bearing is with described
Second roller bearing parallel with described reel and and described reel outer surface interval predeterminable range.
Optionally, described hold down gag farther includes the first installation being configured on described first connector
Structure, and it is configured at the second mounting structure on described second connector, with by described first connector and institute
State the second connector to be fixed on described reel.
Optionally, described first mounting structure includes the first installing hole or the first draw-in groove, and described second installs
Structure includes the second installing hole or the second draw-in groove.
Optionally, the distance between described first roller bearing and described second roller bearing immobilizes.
Optionally, the distance adjustable between described first roller bearing and described second roller bearing.
Optionally, at least one of described first roller bearing and described second roller bearing is suitable to swing.
Optionally, described first connector includes the first linking arm, the second linking arm and cross structure, institute
The one end of described first linking arm stating the first connector is connected with described first end of described first roller bearing,
The other end is hinged with the described cross structure of described first connector, and described the second of described first connector is even
Described first end of one end and described second roller bearing of connecing arm is connected, the other end and described first connector
Described cross structure is fixing to be connected；Described second connector includes the first linking arm, the second linking arm and company
Connect bridge, one end of described first linking arm of described second connector and described the second of described first roller bearing
End connects, and the other end is hinged with the described cross structure of described second connector, the institute of described second connector
Described second end of one end and described second roller bearing of stating the second linking arm is connected, the other end and described second
The described cross structure of connector is fixing to be connected, thus described first roller bearing is suitable to swing.
Optional described hold down gag farther includes the first flexible member and the second flexible member, Qi Zhongsuo
The two ends stating the first flexible member are individually fixed in described first linking arm of described first connector with described
On the described cross structure of the first connector, the two ends of described second flexible member are individually fixed in described second
On described first linking arm of connector and the described cross structure of described second connector, with described in pretension the
One roller bearing.
Optionally, described hold down gag farther includes the first limit element to limit described first roller bearing
Amplitude of fluctuation.
Optionally, described first limit element includes that the first gag lever post, described first gag lever post are configured at institute
State on described first linking arm of the first connector, and when described first gag lever post is resisted against described first even
Time on the described cross structure of fitting, described first roller bearing is hindered towards the swing near described second roller bearing
Hinder.
Optionally, described first limit element farther includes the second gag lever post, and described second gag lever post is joined
It is placed on described first linking arm of described second connector, and when described second gag lever post is resisted against described
Time on the described cross structure of the second connector, described first roller bearing is towards the swing near described second roller bearing
Hindered.
Optionally, described hold down gag farther includes the first pivot, described the of described first connector
Described first linking arm of one linking arm and described second connector is suitable to swing around described first pivot.
Optionally, described first connector includes the first linking arm, the second linking arm and cross structure, institute
The one end of described first linking arm stating the first connector is connected with described first end of described first roller bearing,
The other end is hinged with the described cross structure of described first connector, and described the second of described first connector is even
Described first end of one end and described second roller bearing of connecing arm is connected, the other end and described first connector
Described cross structure is hinged；Described second connector includes the first linking arm, the second linking arm and cross structure,
One end of described first linking arm of described second connector connects with described second end of described first roller bearing
Connecing, the other end is hinged with the described cross structure of described second connector, described the of described second connector
One end of two linking arms is connected with described second end of described second roller bearing, and the other end is connected with described second
The described cross structure of part is hinged, thus described first roller bearing and described second roller bearing are adapted to swing.
Optionally, described hold down gag farther includes brake unit, and described brake unit is configured to: when
When described distance between described first roller bearing or described second roller bearing is more than predetermined threshold value, stop described volume
The rotation of cylinder.
Compared with prior art, the technical solution of the utility model has the advantage that
This utility model provides a kind of hold down gag for hoist roller, when described hold down gag with
Described reel with the use of time, the first roller bearing of described hold down gag and the second roller bearing can be outside described reel
The rope being wound around on side face provides pressure.Under the effect of described pressure, described rope can be with described reel
Outer peripheral face or described outer peripheral face on grooving fit tightly.Therefore, the compression dress that this utility model provides
Put and can alleviate line relaxation, the generation of the de-phenomenon such as groove, dislocation during rope closing.In addition, described
Frictional force is there is also between roller bearing (the most described first roller bearing and described second roller bearing) and described rope, should
The direction of frictional force is contrary with the direction of motion of described rope.Under the effect of this frictional force, described rope
To be straightened, thus further alleviate the generation of line relaxation phenomenon.
It addition, the hold down gag that this utility model provides includes two roller bearings, the most described first roller bearing and institute
State the second roller bearing.Therefore, when described rope enters reel, can be by twice compression.And passing through
After the once compression of roller bearing, even if rope still suffers from a small amount of relaxing, the rope of slack can be defined
Without being transferred to whole rope between two roller bearings.
Further, in certain embodiments, described first roller bearing and described second of described hold down gag
Distance adjustable between roller bearing, the straight line defined between the most described first roller bearing and described second roller bearing away from
From or arc length be adjustable.Thus, described hold down gag can be applied to having different size (such as,
External diameter) reel, or be applied to use multi-lay winding mode reel.
Further, in certain embodiments, the hold down gag that this utility model provides also includes braking dress
Putting, described brake unit is suitable to the distance between described first roller bearing and described second roller bearing more than presetting
During threshold value, i.e. when described rope attempts to depart from reel so that described reel stops operating, to stop receiving
Rope process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hold down gag according to this utility model first embodiment；
Fig. 2 is the structural representation of the hold down gag according to this utility model the second embodiment；And
Fig. 3 is the structural representation of the hold down gag according to this utility model the 3rd embodiment.
Detailed description of the invention
This utility model provides a kind of hold down gag for hoist roller, when described hold down gag with
Described reel with the use of time, the first roller bearing of described hold down gag and the second roller bearing can be outside described reel
The rope being wound around on side face provides pressure.Under the effect of described pressure, described rope can be with described reel
Outer peripheral face or described outer peripheral face on grooving fit tightly.Therefore, the compression dress that this utility model provides
Put and can alleviate line relaxation, the generation of the de-phenomenon such as groove, dislocation during rope closing.In addition, described
Frictional force is there is also between roller bearing (the most described first roller bearing and described second roller bearing) and described rope, should
The direction of frictional force is contrary with the direction of motion of described rope.Under the effect of this frictional force, described rope
To be straightened, thus further alleviate the generation of line relaxation phenomenon.
It addition, the hold down gag that this utility model provides includes two roller bearings, the most described first roller bearing and institute
State the second roller bearing.Therefore, when described rope enters reel, can be by twice compression.And passing through
After the once compression of roller bearing, even if rope still suffers from a small amount of relaxing, the rope of slack can be defined
Without being transferred to whole rope between two roller bearings.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with
Specific embodiment of the utility model is described in detail by accompanying drawing.
Fig. 1 shows the hold down gag 100 according to this utility model first embodiment, and it can be applied to
The reel of heavy-duty machine, with (will rope be wrapped in the process of reel outer peripheral face) rope during reducing rope closing
The phenomenon such as groove, dislocation lax, de-.Described hold down gag 100 includes first roller bearing the 101, second roller bearing
102 and attachment structure 103.Wherein, described attachment structure 103 is used for connecting described first roller bearing 101
With described roller bearing 102, to form an overall structure.
Described first roller bearing 101 has the first end 1011 and the second end 1012, and described second roller bearing 102 has
There is the first end 1021 and the second end 1022.
Described attachment structure 103 includes the first connector 1031 and the second connector 1032.Described first even
Fitting 1031 connects described first end 1011 of described first roller bearing 101 and described second roller bearing 102
Described first end 1021.Described second connector 1032 connects described the second of described first roller bearing 101
End 1012 and described second end 1022 of described second roller bearing 102.Described first roller bearing 101 and institute
State the second roller bearing 102 to be rotatably arranged in described attachment structure 103.Consequently, it is possible to described first
Roller bearing 101 and described second roller bearing 102 are connected by described first connector 1031 and described second connector
Together, and described first roller bearing 101 and described second roller bearing 102 can rotate around respective axis.
In certain embodiments, as it is shown in figure 1, described first end 1011 of described first roller bearing 101 is
Refer to an end face of described first roller bearing 101.In certain embodiments, the institute of described first roller bearing 101
State the first end 1011 and also can refer to an end of described first roller bearing.Similarly, described first roller bearing 101
Described second end 1012 can be another end face or another end of the first roller bearing 101.This should not
Regard as restriction of the present utility model, as long as described first roller bearing 101 is rotatably disposed in described company
On access node structure 103.Similarly, the described first end 1021 and of described second roller bearing 102
Two ends 1022 can be respectively two end faces of the second roller bearing 102 or two ends or a combination thereof, this reality
With novel, this is not restricted, as long as described second roller bearing 102 is rotatably disposed in described connection and ties
On structure 103.
In certain embodiments, described first roller bearing 101 is parallel with described second roller bearing 102.At some
In embodiment, described first roller bearing 101 also can be not parallel with described second roller bearing 102.Implement at some
In example, described first roller bearing 101 is equivalently-sized with described second roller bearing 102.In certain embodiments,
Described first roller bearing 101 and described second roller bearing 102 may also be configured to be of different sizes.
In certain embodiments, described first connector 1031 and described second connector 1032 shape and
Size is the most identical.In certain embodiments, described first connector 1031 and described second connector 1032
May also be configured to that there is different shapes or size.
It should be noted that when described pre-tightening apparatus 100 and reel with the use of time, described first connects
Part 1031 and described second connector 1032 will not hinder or affect the normal rotation of described reel.One
In a little embodiments, as it is shown in figure 1, described first connector 1031 and described second connector 1032 are equal
It is configured to arcuate structure.
In certain embodiments, described hold down gag 100 farther includes the first mounting structure and second
Mounting structure, is respectively arranged on described first connector 1031 and described second connector 1032.Example
As, as it is shown in figure 1, described first mounting structure can be formed on described first connector 1031
One or more first installing holes 1041, described second mounting structure can be formed at described second and connect
One or more second installing holes 1042 on part 1032.Thus, can pass through such as screw, bolt etc. will
Described first connector 1031 and described second connector 1032 are fixed on described reel, to realize
State pre-tightening apparatus 100 and described reel with the use of.Described first connector 1031 and described second is even
Fitting 1032 can be individually fixed on rope blocking plate or the flange of described reel both sides.In certain embodiments,
Described first, second mounting structure can also be configured to other structures such as draw-in groove, to realize described first even
Fitting 1031 and described second connector 1032 are connected with the fixing of described reel.
In certain embodiments, fix when described first connector 1031 and described second connector 1032
Time on described reel, described first roller bearing 101 and described second roller bearing 102 are parallel to described reel (i.e.
Described reel is for being wound around the main part of rope).In other words, described first connector 1031, second
The axis parallel of the main part of connector 1032 and described reel.It addition, when described first connects
When part 1031 and described second connector 1032 are fixed on described reel, described first roller bearing 101 with
And described second roller bearing 102 does not contacts with the outer peripheral face of reel, the most described first roller bearing 101 and described
The outer peripheral face interval predeterminable range of the second roller bearing 102 and described reel, thus it is wound to described volume for rope
Slot milling on the outer peripheral face of cylinder.Further, when described rope is wound on described reel, described rope
Between the outer peripheral face and described first roller bearing 101 and described second roller bearing 102 of described reel, and
Described first roller bearing 101 and described second roller bearing 102 are resisted against on described rope, with to described reel
The rope of upper winding applies pressure.
In certain embodiments, between described first roller bearing 101 and the outer peripheral face of described reel preset away from
From identical with the predeterminable range between described second roller bearing 102 and described reel outer peripheral face.Implement at some
In example, one of them of described first roller bearing 101 and described second roller bearing 102 is positioned at rope and enters reel
Position on.
It can thus be seen that when described hold down gag and described reel with the use of time, described hold down gag
Described first roller bearing 101 of 100 and described second roller bearing 102 can be the rope being wound around on described reel outer peripheral face
Rope provides pressure.Under the effect of described pressure, described rope can be with the outer peripheral face of described reel or described
Grooving on outer peripheral face fits tightly.Therefore, the hold down gag that this utility model provides can alleviate rope closing mistake
Line relaxation, the generation of the de-phenomenon such as groove, dislocation in journey.In addition, described roller bearing (the most described
One roller bearing 101 and described second roller bearing 102) and described rope between there is also frictional force, this frictional force
Direction is contrary with the direction of motion of described rope.Under the effect of this frictional force, described rope will be straightened,
Thus further alleviate the generation of line relaxation phenomenon.
It addition, the hold down gag 100 that this utility model provides includes two roller bearings, the most described first roller bearing
101 and described second roller bearing 102.Therefore, when described rope enters reel, can be by twice compression.
And after the once compression of roller bearing, even if rope still suffers from a small amount of lax, the rope of slack
Rope can be limited between two roller bearings without being transferred to whole rope.
Fig. 2 shows the structural representation of the hold down gag 200 according to this utility model the second embodiment.
Described hold down gag 200 includes first roller bearing the 201, second roller bearing 202 and for by described first roller bearing
201 and described second roller bearing 202 be connected as integrally-built attachment structure 203.
Described first roller bearing 201 has the first end 2011 and the second end 2012, and described second roller bearing 202 has
There is the first end 2021 and the second end 2022.Described first roller bearing 201 and the configuration of described second roller bearing 202
Can refer to the associated description in above-mentioned first embodiment, here is omitted.
Described attachment structure 203 includes the first connector 2031 and the second connector 2032.Described first even
Fitting 2031 includes the first linking arm the 20311, second linking arm 20312 and cross structure 20313.Institute
State one end of described first linking arm 20311 of the first connector 2031 and the institute of described first roller bearing 201
Stating the first end 2011 to connect, the other end is hinged with described cross structure 20313.Described first connector 2031
One end of described second linking arm 20312 be connected with described first end 2021 of described second roller bearing 202,
The other end is fixing with described cross structure 20313 to be connected.Similarly, described second connector 2032 includes
One linking arm the 20321, second linking arm 20322 and cross structure 20323.Described second connector 2032
One end of described first linking arm 20321 be connected with described second end 2012 of described first roller bearing 201,
The other end is hinged with described cross structure 20323.Described second linking arm of described second connector 2032
One end of 20322 is connected with described second end 2022 of described second roller bearing 202, the other end and described company
Connect the fixing connection of bridge 20323.Consequently, it is possible to described first roller bearing 201 is not only adapted in himself
Axis rotates, and is further adapted for swinging.It addition, described second roller bearing 202 is adapted only to the axis around himself
Rotate, and cannot swing.
It should be noted that when two parts are hinged, then mean said two parts can realize around
The two-dimensional rotary (i.e. rotating in a plane) of its hinged place.Such as, described first connector 2031
The other end of described first linking arm 20311 is hinged with described cross structure 20313 to be referred to, described first even
Connect arm 20311 and described cross structure 20313 can be perpendicular to described first roller bearing 201 He around its hinged place
Relatively rotate in the plane of described second roller bearing 202.When the fixing connection of two parts, then described
Relative motion (such as, rotate or move) will not occur between two parts.Consequently, it is possible to described first
Roller bearing 201 is not only adapted to rotate around the axis of himself, is further adapted for swinging.It addition, described second rolling
Axle 202 is adapted only to rotate around the axis of himself, and cannot swing.
Therefore, when described first roller bearing 201 swings, described first roller bearing of described hold down gag 200
Distance between 201 and described second roller bearing 202 changes, the most described first roller bearing 201 and described the
The air line distance or the arc length that define between two roller bearings 202 are adjustable.Thus, described hold down gag 200
The reel with different size (such as, external diameter) can be applied to, or be applied to using multilamellar to twine
Reel (being wound with multilamellar rope on the most described reel) around mode.It should be noted that described first rolling
Described distance between axle 201 and described second roller bearing 202 can be by described the of described first roller bearing 201
Air line distance between one end 2011 and described first end 2021 of described second roller bearing 202 or both it
Between the arc length that defines weigh, or, by described second end 2012 of described first roller bearing 201 and described the
Air line distance between described second end 2022 of two roller bearings 202 or the arc length that both define are weighed.
In certain embodiments, described second linking arm 20312 of described first connector 2031 and described
The described cross structure 20313 of the first connector 2031 is structure as a whole.Similarly, described second connector
Described second linking arm 20322 of 2032 and the described cross structure 20323 of described first connector 2032 are also
Can be structure as a whole.
In certain embodiments, described hold down gag 200 still further comprises the first draw-in groove 2041 and second
Draw-in groove 2042, is respectively arranged on described first connector 2031 and described second connector 2032.Institute
State the first draw-in groove 2041 and described second draw-in groove 2042 is suitable to the distance bar contact with reel, thus realize
Described first connector 2031 and described second connector 2032 are connected with the fixing of described reel.
In certain embodiments, as in figure 2 it is shown, described first draw-in groove 2041 is by described first connector 2031
Described second linking arm 20312 on projection and the described cross structure of described first connector 2031
Protruding composition on 20313.Similarly, described second draw-in groove 2042 is by described second connector 2032
Projection on described second linking arm 20322 and the described cross structure of described second connector 2032
Protruding composition on 20323.
In certain embodiments, described first draw-in groove 2041 also can be formed at described first connector 2031
Described second linking arm 20312 on, or be formed at the described cross structure of described first connector 2031
On 20313.Described second draw-in groove 2042 also can be formed at described second company of described second connector 2032
Connect on arm 20322, or be formed on the described cross structure 20323 of described second connector 2032.
Described first draw-in groove 2041 and described second draw-in groove 2042 can be with described by the way of interference fit
Distance bar contact on reel, thus by described second linking arm 20312 of described first connector 2031
And described cross structure 20313, and described second linking arm 20322 of described second connector 2032 and
Its described cross structure 20323 is fixed on the described distance bar of described reel.Therefore, described it is connected to
Described second linking arm 20312 of a connection piece 2031 and described the second of described second connector 2032
Described second roller bearing 202 between linking arm 20322 is fixing relative to the position of described reel.This
Time, due to described first linking arm 20311 and described first connector of described first connector 2031
The described cross structure 20313 of 2031 is hinged, described first linking arm 20321 of described second connector 2032
Hinged with the described cross structure 20323 of described second connector 2032, it is connected to described first connector
Described first linking arm 20311 of 2031 and described first linking arm of described second connector 2032
Described first roller bearing 201 between 20321 can change relative to the position of described reel.
In certain embodiments, described hold down gag 200 farther includes the first flexible member and the second bullet
Property element, the two ends of described first flexible member are individually fixed in described the of described first connector 2031
On the described cross structure 20313 of one linking arm 20311 and described first connector 2031, described second bullet
The two ends of property element are individually fixed in described first linking arm 20321 and the institute of described second connector 2032
State on the described cross structure 20323 of the second connector 2032, with the first roller bearing 201 described in pre-tightening, make
It in use can apply pressure to rope.It should be noted that in certain embodiments, institute
Stating hold down gag 200 and also can only include a flexible member, the most described hold down gag 200 only includes described
First flexible member or only include described second flexible member.
Therefore, under the effect of described first flexible member and/or described second flexible member, described first
Roller bearing 201 can swing towards near described second roller bearing 202.In other words, when described pre-tightening apparatus 200
With described reel with the use of time, described first roller bearing 201 can be towards near the side of described reel outer peripheral face
To swing.In order to prevent described first roller bearing 201 to be rocked to contact with the outer peripheral face of described reel, one
In a little embodiments, described hold down gag 200 farther includes the first limit element to limit described first rolling
The amplitude of fluctuation of axle 201.
In certain embodiments, described first limit element includes the first gag lever post and the second gag lever post.Institute
State the first gag lever post to be configured on described first linking arm 20311 of described first connector 2031, described
Second gag lever post is configured on described first linking arm 20321 of described second connector 2032.When described
First roller bearing 201 is rocked to so that described first gag lever post is resisted against the described of described first connector 2031
On cross structure, when described second gag lever post is resisted against on the described cross structure of described second connector, its court
The swing near described reel outer peripheral face hindered.Thus, prevent described first roller bearing 201 and institute
State the outer peripheral face contact of reel, to avoid reel or described first roller bearing 201 are caused damage.Meanwhile,
Certain space is defined so that rope is worn between described first roller bearing 201 and the outer peripheral face of described reel
Cross.
In certain embodiments, described hold down gag 200 farther includes pivot 205, described first roller bearing
202 are suitable to swing around described pivot 205.Described pivot 205 contributes to what described first roller bearing 201 swung
Stability.
In certain embodiments, described hold down gag 200 still further comprises brake unit 206, described system
Dynamic device 206 is configured to: when described first roller bearing 201 is rocked to so that described first roller bearing 201 and institute
When stating the described distance between the second roller bearing 202 more than predetermined threshold value, stop the rotation of described reel.This
Skilled person is appreciated that when the rope on reel occurs extruding or attempts to depart from reel, meeting
Described first roller bearing 201 is pushed out, thus increases described first roller bearing 201 and described second roller bearing 202
Between described distance.When described distance is more than predetermined threshold value, stops rope closing process and can avoid rope
Rope causes damage or avoids the generation of accident.
It should be noted that the second embodiment of the present utility model as shown in Figure 2 is merely illustrative, not
Protection domain of the present utility model should be limited.Such as, described first connector and described second connector are not
The first roller bearing as described in upper type realizes must be used can to rotate around its axis again can be to a certain degree
Upper realization swings, and described second roller bearing is only capable of the function that rotates around its axis.Those skilled in the art
Modification should be able to be made according to actual needs on the premise of without departing from spirit of the present utility model.
It should be noted that in certain embodiments, described hold down gag may also be configured to described first rolling
Axle is only capable of rotating around its axis, and described second roller bearing can rotation can be in certain journey around its axis
Realize on degree swinging.
Fig. 3 shows the hold down gag 300 for hoist roller of this utility model the 3rd embodiment.Institute
State hold down gag and include the first roller bearing the 301, second roller bearing 302 and attachment structure 303.
Described first roller bearing 301 has the first end 3011 and the second end 3012, and described second roller bearing 302 has
There is the first end 3021 and the second end 3022.Described first roller bearing 301 and described second roller bearing 302 are with described
Connected mode between attachment structure 303 refers to the related content in above-described embodiment, the most superfluous
State.
Described attachment structure 303 includes the first connector 3031 and the second connector 3032.
Described first connector 3031 includes first linking arm the 30311, second linking arm 30312 and connects
Connect bridge 30313, one end of described first linking arm 30311 of described first connector 3031 and described the
Described first end 3011 of one roller bearing 301 connects, and the other end is described with described first connector 3031
Cross structure 30313 is hinged, one end of described second linking arm 30312 of described first connector 3031 with
Described first end 3021 of described second roller bearing 302 connects, the other end and described first connector 3031
Described cross structure 30313 hinged.Described second connector 3032 include the first linking arm 30321,
Two linking arms 30322 and cross structure 30323, described first linking arm of described second connector 3032
One end of 30321 is connected 3012 with described second end of described first roller bearing 301, the other end and described the
The described cross structure 30323 of two connectors 3032 is hinged, described the second of described second connector 3032
One end of linking arm 30322 is connected with described second end 3022 of described second roller bearing 302, the other end with
The described cross structure 30323 of described second connector 3032 is hinged.Thus, described first roller bearing 301 He
Described second roller bearing 301 is adapted to swing, and is suitable to rotate around its respective axis.
In certain embodiments, described hold down gag 300 farther include the first flexible member (not shown),
Second flexible member (not shown), the 3rd flexible member 3051 and the 4th flexible member 3052.Described
The two ends of one flexible member are individually fixed in described first linking arm 30311 of described first connector 3031
With on the described cross structure 30313 of described first connector 3031, the two ends of described second flexible member are divided
It is not fixed on described first linking arm 30321 of described second connector 3032 and described second connector
On the described cross structure 30323 of 3032, with the first roller bearing 301 described in pre-tightening, and when described pretension fills
Put 300 with reel with the use of time, rope that described first roller bearing 301 is suitable on described reel provides
Pressure.The two ends of described 3rd flexible member 3051 are individually fixed in the institute of described first connector 3031
State the second linking arm 30312 with on the described cross structure 30313 of described first connector 3031, described the
The two ends of four flexible members 3052 are individually fixed in described second linking arm of described second connector 3032
30322, with on the described cross structure 30323 of described second connector 3032, roll with described in pre-tightening second
Axle 302, and when described pre-tightening apparatus 300 and reel with the use of time, described second roller bearing 302 is suitable for
Rope on described reel provides pressure.
Described flexible member (the most described first flexible member, described second flexible member, described 3rd bullet
Property element 3051 and described 4th flexible member 3052) can be spring, shell fragment or elastic strip etc..Separately
Outward, " first ", " second ", " the 3rd " and " the 4th " herein is only used for distinguishing different flexible member
Position, and be not to be taken as the restriction to its structure.Described first flexible member, described second elasticity
The structure of element, described 3rd flexible member 3051 and described 4th flexible member 3052 can be identical
Can also be different.
In certain embodiments, described hold down gag 300 farther includes the first limit element and the second limit
Bit unit, wherein, described first limit element is suitable to limit the amplitude of fluctuation of described first roller bearing 301；
Described second limit element is suitable to limit the amplitude of fluctuation of described second roller bearing 302.
In certain embodiments, described first limit element includes the first gag lever post and the second gag lever post, institute
State the second limit element and include the 3rd gag lever post and the 4th gag lever post.Described first gag lever post is configured at described
On described first linking arm 30311 of the first connector 3031, described second gag lever post is configured at described
On described first linking arm 30321 of two connectors 3032, described 3rd gag lever post is configured at described first
On described second linking arm 30312 of connector 3031, described 4th gag lever post is configured at described second even
On described second linking arm 30322 of fitting 3032.
When described first linking arm 30311 of described first connector 3031 is rocked to so that thereon described
First gag lever post is resisted against on the described cross structure 30313 of described first connector 3031 (such as, in institute
State and be configured with lobe on cross structure 30313), described first linking arm of described second connector 3032
30321 are rocked to so that described second gag lever post thereon is resisted against the described of described second connector 3032
Time on cross structure 30323 (such as, described cross structure 30323 is configured with lobe), it is connected to
Described first linking arm 30311 of described first connector 3031 and the institute of described second connector 3032
State described first roller bearing 301 between the first linking arm 30321 towards near described second roller bearing 302
Swing hindered.Similarly, put when described second linking arm 30312 of described first connector 3031
Move to making described 3rd gag lever post be resisted against on the described cross structure 30313 of described first connector 3031
(such as, described cross structure 30313 is configured with another lobe), described second connector 3032
Described second linking arm 30322 be rocked to so that described 4th gag lever post is resisted against described second connector
(such as, described cross structure 30323 is configured with another protruding on the described cross structure 30323 of 3032
Portion) time, it is connected to described second linking arm 30312 and described second of described first connector 3031 even
Described second roller bearing 302 between described second linking arm 30322 of fitting 3032 is towards near described the
The swing of one roller bearing 301 is hindered.
In certain embodiments, described hold down gag 300 farther includes the first installing hole 3041 and second
Installing hole 3042, is respectively arranged on described first connector 3031 and described second connector 3032.
Thus can be by such as screw, bolt etc. by described first connector 3031 and described second connector 3032
It is individually fixed on reel (such as, be fixed on rope blocking plate or the flange of described reel both sides), to realize
Described hold down gag 300 and described reel with the use of.
In certain embodiments, described hold down gag 300 farther includes brake unit 306, described braking
Device 306 is configured to: the described distance between described first roller bearing 301 and described second roller bearing 302
During more than predetermined threshold value, stop the rotation of described reel.Thus there is extruding or examination in the rope on reel
When figure departs from reel, stop rope closing process, to avoid rope is caused damage.
Although this utility model discloses as above, but this utility model is not limited to this.Any this area skill
Art personnel, without departing from spirit and scope of the present utility model, all can make various changes or modifications, because of
This protection domain of the present utility model should be as the criterion with claim limited range.
Claims (15)
1. the hold down gag for hoist roller, it is characterised in that including:
First roller bearing, has the first end and the second end；
Second roller bearing, has the first end and the second end；And
Attachment structure, including the first connector and the second connector,
Wherein, described first connector connects described first end and described first end of described second roller bearing of described first roller bearing, described second connector connects described second end and described second end of described second roller bearing of described first roller bearing, described first roller bearing and described second roller bearing are suitable to around respective center axis thereof, thus when described hold down gag and described reel with the use of time, described first roller bearing can apply pressure to the rope being wound around on described reel with described second roller bearing.
Hold down gag the most according to claim 1, it is characterised in that when described hold down gag and described reel with the use of time, described first roller bearing parallel with described reel with described second roller bearing and and the outer surface of described reel be spaced predeterminable range.
Hold down gag the most according to claim 1, it is characterized in that, farther include the first mounting structure being configured on described first connector, and be configured at the second mounting structure on described second connector, so that described first connector and described second connector are fixed on described reel.
Hold down gag the most according to claim 3, it is characterised in that described first mounting structure includes that the first installing hole or the first draw-in groove, described second mounting structure include the second installing hole or the second draw-in groove.
Hold down gag the most according to claim 1, it is characterised in that the distance between described first roller bearing and described second roller bearing immobilizes.
Hold down gag the most according to claim 1, it is characterised in that the distance adjustable between described first roller bearing and described second roller bearing.
Hold down gag the most according to claim 6, it is characterised in that at least one of described first roller bearing and described second roller bearing is suitable to swing.
Hold down gag the most according to claim 7, it is characterized in that, described first connector includes the first linking arm, the second linking arm and cross structure, one end of described first linking arm of described first connector is connected with described first end of described first roller bearing, the other end is hinged with the described cross structure of described first connector, one end of described second linking arm of described first connector is connected with described first end of described second roller bearing, and the other end is fixing with the described cross structure of described first connector to be connected；Described second connector includes the first linking arm, the second linking arm and cross structure, one end of described first linking arm of described second connector is connected with described second end of described first roller bearing, the other end is hinged with the described cross structure of described second connector, one end of described second linking arm of described second connector is connected with described second end of described second roller bearing, the other end is fixing with the described cross structure of described second connector to be connected, thus described first roller bearing is suitable to swing.
Hold down gag the most according to claim 8, it is characterized in that, farther include the first flexible member and the second flexible member, the two ends of wherein said first flexible member are individually fixed on described first linking arm of described first connector and the described cross structure of described first connector, the two ends of described second flexible member are individually fixed on described first linking arm of described second connector and the described cross structure of described second connector, with the first roller bearing described in pretension.
Hold down gag the most according to claim 9, it is characterised in that farther include the first limit element to limit the amplitude of fluctuation of described first roller bearing.
11. hold down gags according to claim 10, it is characterized in that, described first limit element includes the first gag lever post, described first gag lever post is configured on described first linking arm of described first connector, and when on the described cross structure that described first gag lever post is resisted against described first connector, described first roller bearing is hindered towards the swing near described second roller bearing.
12. hold down gags according to claim 11, it is characterized in that, described first limit element farther includes the second gag lever post, described second gag lever post is configured on described first linking arm of described second connector, and when on the described cross structure that described second gag lever post is resisted against described second connector, described first roller bearing is hindered towards the swing near described second roller bearing.
13. hold down gags according to claim 8, it is characterised in that farther include the first pivot, described first linking arm of described first connector and described first linking arm of described second connector are suitable to swing around described first pivot.
14. hold down gags according to claim 7, it is characterized in that, described first connector includes the first linking arm, the second linking arm and cross structure, one end of described first linking arm of described first connector is connected with described first end of described first roller bearing, the other end is hinged with the described cross structure of described first connector, one end of described second linking arm of described first connector is connected with described first end of described second roller bearing, and the other end is hinged with the described cross structure of described first connector；Described second connector includes the first linking arm, the second linking arm and cross structure, one end of described first linking arm of described second connector is connected with described second end of described first roller bearing, the other end is hinged with the described cross structure of described second connector, one end of described second linking arm of described second connector is connected with described second end of described second roller bearing, the other end is hinged with the described cross structure of described second connector, thus described first roller bearing and described second roller bearing are adapted to swing.
15. hold down gags according to claim 7, it is characterised in that farther include brake unit, described brake unit is configured to: when the described distance between described first roller bearing or described second roller bearing is more than predetermined threshold value, stop the rotation of described reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084441.0U CN205472382U (en) | 2015-12-23 | 2015-12-23 | A closing device for hoist roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084441.0U CN205472382U (en) | 2015-12-23 | 2015-12-23 | A closing device for hoist roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205472382U true CN205472382U (en) | 2016-08-17 |
Family
ID=56661376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084441.0U Active CN205472382U (en) | 2015-12-23 | 2015-12-23 | A closing device for hoist roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205472382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148932A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Hoisting device |
-
2015
- 2015-12-23 CN CN201521084441.0U patent/CN205472382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148932A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Hoisting device |
| CN114148932B (en) * | 2021-12-03 | 2023-08-22 | 广东电网有限责任公司 | Hoisting device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |