CN205829023U - Pulley block - Google Patents
Pulley block Download PDFInfo
- Publication number
- CN205829023U CN205829023U CN201620468321.9U CN201620468321U CN205829023U CN 205829023 U CN205829023 U CN 205829023U CN 201620468321 U CN201620468321 U CN 201620468321U CN 205829023 U CN205829023 U CN 205829023U
- Authority
- CN
- China
- Prior art keywords
- rotary shaft
- face
- main body
- hook
- spacing main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 8
- 238000004021 metal welding Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Landscapes
- Wire Processing (AREA)
Abstract
This utility model provides a kind of pulley block, and it includes pulley, hook, rotary shaft, connecting portion and fixing device.Described pulley block also includes stopping means, this stopping means includes spacing main body and limit point parts, wherein, described limit point parts are arranged on the metallic plate relative with the metallic plate with hinge, and described spacing main body and described limit point parts are positioned at same side；Described spacing main body is positioned at the underface of the end face of described rotary shaft and welds together with lower one side of something of described end face when described hook keeps position vertically upward, the side that described spacing main body is welded with described end face adapts in shape with described end face, and the upper surface of described spacing main body be positioned at the axle center by described rotary shaft and be perpendicular to described hook axis straight line on；Described limit point parts are positioned on the metallic plate of side, spacing main body place and on center position and against described end face above the end face of described rotary shaft when described hook keeps position vertically upward.
Description
Technical field
This utility model relates to technical field of mechanical equipment, particularly for the pulley block of the construction of line.
Background technology
Pulley block (also known as releasing pulley) is one of overhead transmission line indispensable instrument when setting up, for cable, optical cable
Unfold in wire.Such as, during the electric line stringing of power system, electric wire, optical cable etc. are by being suspended on electricity
Pulley block on transmission tower bar sequentially unfolds on circuit, and in the process, wire passes through on pulley block, both can reduce
Wire frictional force, can avoid again the damage of wire.Pulley block has polytype, and such as, seat dress pulley, it is fixed on electric wire
On the cross-arm of tower bar, for being placed on the wire at the top of the insulator on cross-arm top；Mounting pulley, it is for by hanging
It is hooked on the insulator below the cross-arm of electric wire tower bar, uses when work such as electric pole assembling, stringings；It addition, in recent years also
Occurring in that seat fills pulley seat together with mounting two kinds of function combinations of pulley hangs dual-purpose pulley, it has been expanded pulley block and has made
By scope, facilitate line construction, improve work efficiency, be widely used in distribution line is constructed.
At present, it is rotated up to about 160 ° before and after the existing hook mounting pulley or the seat dual-purpose pulley of extension, causes hook
Easily contacting the race of pulley, therefore, in spreading conducting wire process, hook scratching wire phenomenon happens occasionally, and this affects wire
Normal unfolding, as do not found in time or mishandling, results even in wire damage, cross-arm buckle or electric pole and tilts, draw
Send out serious accident.
Utility model content
For solving the technical problem of existing existence, this utility model provides a kind of pulley block, and it can effectively prevent hook
Scraping wire.
For reaching above-mentioned purpose, the technical scheme of this utility model embodiment is achieved in that
Pulley block of the present utility model includes pulley, hook, rotary shaft, connecting portion and for by solid for pulley block
It is scheduled on the fixing device of a certain position.Wherein, described connecting portion includes two pieces of metallic plates, two pieces of metallic plates of described connecting portion
One end is fixed on the two ends of described pulley respectively by screw rod and screw, and described screw rod passes the central axis of described pulley and makes
Described pulley can rotate freely around described screw rod, and the other end of two pieces of metallic plates of described connecting portion is by described rotary shaft even
Being connected together, described rotary shaft is parallel to the central axis of described pulley and can rotate relative to described connecting portion, described
One of two metallic plates of connecting portion position upper, between described rotary shaft and described pulley is provided with hinge；Described extension
Hook is perpendicularly fixed at the centre position of described rotary shaft by screw.Described pulley block also includes: stopping means, and it includes limit
Position main body and limit the limit point parts of amplitude that described spacing main body rotates.Wherein, described limit point parts be arranged on
Having on the metallic plate that the metallic plate of hinge is relative, described spacing main body and described limit point parts are positioned at same side；Described limit
Position main body be positioned at when described hook keeps position vertically upward the end face of described rotary shaft underface and with described end
The lower one side of something in face welds together, and the side that described spacing main body is welded with described end face is fitted mutually with described end face
Answer, and the upper surface of described spacing main body is positioned at the axle center by described rotary shaft and is perpendicular to the straight line of described hook axis
On；Described limit point parts be positioned on the metallic plate of side, spacing main body place when described hook keeps position vertically upward and
Above the end face of described rotary shaft on center position and against described end face.
Alternatively, described spacing main body is made by metal.
Alternatively, when the end face of described rotary shaft is circle, described spacing main body is by the end face phase with described rotary shaft
The spacing semi-ring adapted to.
Alternatively, described spacing main body is to be fixed on described rotary shaft when described hook keeps position vertically upward
Two cross bars of end face both sides, said two cross bar is positioned on straight line and this straight line is through the end face center of described rotary shaft
And it is perpendicular to the axis of described hook.
Alternatively, described spacing main body is to be fixed near described rotation when described hook keeps position vertically upward
Two cross bars of the both sides of the described rotary shaft part of the end face of axle, said two cross bar is positioned on straight line and this straight line warp
Cross the axle center of described rotary shaft and be perpendicular to the axis of described hook.
Alternatively, described spacing main body is to run through described rotary shaft when described hook keeps position vertically upward and consolidate
Due to a cross bar of the position near its end face of described rotary shaft, described cross bar is located across the axle center of described rotary shaft
And on the straight line of the axis being perpendicular to described hook.
Alternatively, described limit point parts are formed by the metal welding point with predetermined altitude, the metal of described predetermined altitude
Solder joint can limit the rotational steps of described spacing main body.
Alternatively, described limit point parts are the nut being fixed on described metallic plate.
Alternatively, described nut is fixedly mounted on described metallic plate by screw.
Accompanying drawing explanation
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in phase described in different views
As parts.The similar reference numerals with different letter suffix can represent the different examples of similar component.Accompanying drawing is with example
Unrestriced mode generally shows each embodiment discussed herein.
Figure 1A and Figure 1B shows the structural representation of the pulley block according to a kind of embodiment of the present utility model；
Fig. 2 A shows the circle of the spacing semi-ring for making stopping means according to a kind of embodiment of the present utility model
The exemplary plot of ring；
Fig. 2 B shows the annulus by Fig. 2 A and the exemplary plot of two spacing semi-rings that formed；
Fig. 3 shows the hook side of the pulley block comprising stopping means according to a kind of embodiment of the present utility model
Structural representation；And
Fig. 4 shows the flow chart of the manufacture method of a kind of pulley block of the present utility model.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Pulley block 100 of the present utility model is primarily referred to as seat and hangs dual-purpose pulley, as shown in Figure 1A and 1B, including pulley
110, hook 120, rotary shaft 130, connecting portion 140, for pulley block is fixed on a certain position fixing device 150, with
And stopping means 160.It addition, respectively illustrate the different angles of pulley block 100 of the present utility model in figs. 1 a and 1b
View, wherein also show the wire taken on the race being placed on pulley 110.
Wherein, connecting portion 140 includes two pieces of identical metallic plates, and one end of two blocks of same metal plates of connecting portion 140 is divided
Screw rod and screw Tong Guo not be fixed on the two ends of pulley 110 symmetrically, described screw rod is through the central axis of pulley 110 and makes
Pulley 110 can rotate freely in the range of 360 degree around described screw rod, another of two pieces of metallic plates of described connecting portion 140
End linked together by rotary shaft 130, rotary shaft 130 be parallel to pulley 110 central axis and can be relative to connecting portion
130 rotate, together with i.e. rotary shaft 130 is not stationarily connected to the other end of two pieces of metallic plates, but rotatable.It addition,
Position on one of two metallic plates at connecting portion 140, between rotary shaft 130 and pulley 110 is provided with hinge 141,
This hinge 141 can open this metallic plate, in order to is put into by wire wherein and rides on the race of pulley 110.Alternatively, connect
The other end of two pieces of metallic plates in portion 140 links together with rotary shaft 130 by the way of riveting, but this utility model is not
It is limited to this kind of connected mode.
Hook 120, for hanging over the cross bar of wire pole tower by pulley block 100 with the form hung.Hook 120 passes through
Screw is perpendicularly fixed at the centre position of rotary shaft 130, thus links up with 120 and can be perpendicular to rotation together with rotary shaft 130
Rotate around rotary shaft 130 on the direction of axle 130.
Fixing device 150 for being fixed on the cross-arm of wire pole tower by pulley block 100 with the form that seat fills.Fixing dress
Putting 150 and can use deck, as shown in Figure 1A and 1B, described deck snaps in a certain position of the cross-arm of wire pole tower, this deck
Lower end screw and nut (typically wanting plural screw and screw rod) be fixed on described cross-arm, thus can by deck
So that pulley block 100 is fixed on the cross-arm of wire pole tower.Alternatively, fixing device 150 can also is that according to being fixed
Position and other device of arranging, be fixed described pulley block 100 as long as convenient, and this utility model is not to this
It is defined.It addition, fixing device 150 can be fixed together with the metallic plate of connecting portion 140, such as, fixing device 150 can
Welding together with the lower section with the metallic plate of connecting portion 140, this utility model does not limit the concrete connection between them
Mode.
Stopping means 160 is for limiting the anglec of rotation of hook 120, and the anglec of rotation making hook 120 will not be excessive and tactile
And to the wire on the race being positioned at pulley 110.Stopping means 160 includes spacing main body 161 and limits what spacing main body rotated
The limit point parts 162 of amplitude.
Limit point parts 162 are arranged on the metallic plate relative with the metallic plate with hinge, are i.e. arranged on and are not installed with
On the metallic plate of hinge 141, say, that be provided with the metallic plate of limit point parts 162 and the metallic plate being provided with hinge 141
It is that two different metallic plates, i.e. limit point parts 161 need from hinge 141 to lay respectively at can not on different metallic plates
It is positioned on same metallic plate.Spacing main body 161 is positioned at same side with limit point parts 162, and i.e. the two is positioned at same metallic plate
Side.
The shape of spacing main body 161 depends on the shape of the end face 131 of rotary shaft 130.End face 131 when rotary shaft 130
Time rounded, spacing main body 161 can be made by the semicircular ring of metal.It is for instance possible to use circular ring plate as shown in Figure 2 A,
Here, the thickness of circular ring plate does not limit, and is typically without the thickest.Circular ring plate shown in Fig. 2 A is cut into two from middle
Half, as shown in Figure 2 B.Any one semicircle ring plate in Fig. 2 B can be used as spacing main body 161, is properly termed as spacing semi-ring
161.It should be noted that the annular diameters of the circular ring plate selected here is slightly larger than the diameter of the end face of rotary shaft 130, in order to
The inside semi-ring of the spacing semi-ring 161 being fabricated to can match well with the end face of rotary shaft 130.In this case,
As it is shown on figure 3, when linking up with 120 holding position vertically upward, spacing semi-ring 161 be positioned at the end face of rotary shaft 130 just under
On the edge, underface of method, edge and the end face 131 that is welded on rotary shaft 130.Specifically, keep vertically upward at hook 120
During position, on the end face (not there is the end face of the rotary shaft of the side of hinge) of the rotary shaft of hook, the axis of labelling hook
And it is perpendicular to the diameter of the rotary shaft of the axis of hook；Then spacing semi-ring 161 is placed on the underface of the end face of rotary shaft
Position, and with electric welding, spacing semi-ring 161 is welded in the rotary shaft of hook.
Here, as previously described, the inside semi-ring of spacing semi-ring 161 is relative with the end face 131 of rotary shaft 130 in shape
Should, generally, the diameter of the interior semi-ring of spacing semi-ring 161 slightly larger than the diameter of the end face 131 of rotary shaft 130 so that and rotary shaft
The end face 131 of 130 is well matched with, it is simple to being fixed together with the lower end of the end face 131 of rotary shaft 130 (is such as welded on one
Rise).The width of the ring of spacing semi-ring 161 determines as desired, and this is not defined by this utility model.Due to spacing master
Body 161 welds together with the end face 131 of rotary shaft 130, so when rotary shaft 130 rotates, spacing main body 161 also follows one
Rise and rotate.
Alternatively, when the end face 131 of rotary shaft 130 is rounded, the end face 131 with rotary shaft 130 of spacing main body 161
The side of welding uses round-shaped with what the end face 131 of rotary shaft 130 adapted, and opposite side can use any shape,
And it is not limited to circle, and such as can use square etc., the most spacing main body 161 can be by having and the end of described rotary shaft 130
The object of the semi-ring side that face 131 adapts is made, and generally uses the object of metal material to make.
Alternatively, when the end face 131 of rotary shaft 130 is square, the end face 131 with rotary shaft 130 of spacing main body 161
The side of welding uses the square configuration that the end face 131 with rotary shaft 130 adapts, and opposite side (or outside claiming) can use
Any shape, such as, can use circular or square etc..The outer shape of spacing main body 161 is not limited by this utility model
Fixed.
The most spacing main body 161 uses any shape, when linking up with 120 holdings position vertically upward, and spacing main body 161
Upper surface be positioned at the axle center (i.e. the center of the shaft section of rotary shaft) by rotary shaft 130 and be perpendicular to link up with the axis of 120
Straight line on.It addition, spacing main body 161 is made by metal, to facilitate the end face 131 with rotary shaft 130 to weld together.Separately
Outward, the end face 131 of rotary shaft recited above refers to be positioned at the end face of the rotary shaft of side, limit point parts place, in other words,
The end face of the rotary shaft of the side that the metallic plate that is and have hinge is relative.
Further optionally, spacing main body 161 can also use two cross bars to constitute, and said two cross bar is at hook 120
Being fixed on the both sides of the end face 131 of rotary shaft 130 when keeping vertically upward, these two cross bars are positioned on straight line and this straight line
Through the end face center of rotary shaft 130 and be perpendicular to link up with the axis of 120.Such as, said two cross bar can weld symmetrically
Both sides at the described end face 131 of rotary shaft 130.
Alternatively, said two cross bar is fixed on the both sides of the rotary shaft part of this end face 131, and these two horizontal strokes
Bar be positioned on straight line and this straight line through the axle center of rotary shaft 130 and be perpendicular to link up with 120 axis.Such as, described two
Individual cross bar welds or is threadedly secured on the both sides of the rotary shaft of described end face 131, and such as said two cross bar is permissible
Being made by the threaded screw with certain length, it is screwed on the both sides of rotary shaft symmetrically.
Alternatively, spacing main body 161 can also be for running through rotary shaft 130 when linking up with 120 holdings position vertically upward
And it is fixed on a cross bar of the position near its end face 131 of rotary shaft 130.Described cross bar is located across rotary shaft 130
Axle center (i.e. axial plane center) and be perpendicular to link up with on the straight line of the axis of 120.Such as, described cross bar by threaded screw rod or
Screw makes, and this screw rod or screw are fixed in rotary shaft 130 by nut.
End face 131 both sides in rotary shaft 130 provided as before or the said two cross bar of rotary shaft both sides, meeting exists
During hook 120 rotation limited some parts 162 stop and make to link up with 120 can not left rotation and right rotation more than 90 jiaos.
Limit point parts 162 are positioned on the side metallic plate (metallic plate of the most spacing main body 161 side) of connecting portion 130, use
In the rotational steps limiting spacing main body 161.Specifically, limit point parts 162 are when linking up with 120 holdings position vertically upward
It is located parallel to link up with on the axis of 120 and through on the straight line in the axle center of rotary shaft 130 and at the end face of rotary shaft 130
On the metallic plate of 131 top center positions, as shown in Figure 3, i.e. limit point parts 162 are positioned at a side end face of rotary shaft 130
On the metallic plate of the surface of 131 and against the position of end face 131.
Alternatively, limit point parts 162 can be made up of a certain size the solder joint welded on a metal plate, such as, use scolding tin
Above, the position electric welding of limit point parts 162 as shown in Figure 3 forms a certain size solder joint, the size of described solder joint and
Height is as the criterion can block spacing main body 161, and this is not limited by this utility model.It is alternatively possible to use emery wheel or angle mill
Machine is by smooth for solder joint polishing and/or painting antirust paint, so that it is difficult to scraping arrives other object or operator, is difficult to raw
Rust.Further optionally, limit point parts 162 can also be formed by the nut installed on a metal plate by screw, nut big
The little rotation can block described spacing main body 161 is as the criterion.Here two kinds of optional structures of limit point parts 162 are only gived,
But this utility model does not limit the concrete form of limit point parts 162.
As described above, when the seat dress function using pulley block 100 of the present utility model is fixed on the horizontal stroke of wire pole tower
Time in load, its hook 120 is then in and does not use state, and in this case, described hook 120 may revolve around rotary shaft 130
Turn, but, on the metallic plate of the surface being positioned at the end face 131 of rotary shaft 130 due to limit point parts 162, so, work as hook
120 when rotating, and is welded on spacing the main body 161 in the clockwise direction or counterclockwise side of the underface of the end face 131 of rotary shaft 130
The most at most rotate and to when 90 degree, limited some parts 162 are blocked such that it is able to limiting hook 120 can only be each in left and right
Rotate in the range of 90 degree, without rotating to rotary shaft 130, be positioned on the race of pulley 110 thus without touching
Wire, from without damage wires, it is ensured that the safety of work progress.
Utilize this utility model, by installing spacing dress additional in one end of the rotary shaft 130 of the hook 120 of pulley block 100
Put 160, the rotational angle of the hook 120 of pulley block 100 is limited within the scope of 90 °, left and right, unwrapping wire can be solved sliding
The problem that wheel 100 present dress links up with 120 scratching wires when using.
Pulley block of the present utility model (or stopping means of pulley block) is 400 to make by the following method:
In step S410, measure the size of the diameter of the rotary shaft of the hook of pulley block；
In step S420, it is divided into having the metal annulus corresponding with the rotary shaft diameter of hook along its diameter one
Two, it is thus achieved that semi-ring, described annulus e.g. has round-meshed flat annulus (such as plain washer).Such as use conductor cutter or hacksaw
Annulus is divided into two；
In step S430, the hook adjusting pulley block makes it keep position vertically upward, in the rotary shaft linked up with
On the end face (end face not having comprehensive metallic plate side) of one end, by described end face centre mark hook axis with
And it is perpendicular to the diameter of the rotary shaft of the axis of hook；
In step S440, the semi-ring obtained in step S420 is placed on the position directly below of rotary shaft, and with electric welding by institute
State semi-ring to be welded in the rotary shaft of hook；
In step S450, in step S430 directly over the end face of the rotary shaft being positioned at hook of the axis of the hook of labelling
Position electric welding weld solder joint, i.e. formed limit point parts.Preferably, emery wheel or angle grinding machine is used to be polished flat by solder joint
Sliding, painting antirust paint.
In description mentioned herein, illustrate a large amount of detail.However, it is to be understood that, this practicality is new
The embodiment of type can be put into practice in the case of not having these details.In some instances, known to being not shown specifically
Method, structure and technology, in order to do not obscure the understanding of this description.
It is only principle of the present utility model and preferred embodiment it addition, above-described.It should be pointed out that, for this area
Those of ordinary skill for, on the basis of this utility model principle, it is also possible to making other modification some, these modification are also
It is contemplated as falling within protection domain of the present utility model.
Additionally, it will be appreciated by those of skill in the art that the combination of the feature of different embodiment means to be in this practicality
Within the scope of novel and form different embodiments.Such as, in detail in the claims, embodiment required for protection appoint
One of meaning can mode use in any combination.
It should be noted that this utility model is illustrated rather than by above-described embodiment, this utility model is limited
Make, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.?
In claim, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises "
Do not exclude the presence of the element not arranged in the claims.Word "a" or "an" before being positioned at element does not excludes the presence of multiple
Such element.
Claims (9)
1. pulley block, including pulley, hook, rotary shaft, connecting portion and for pulley block is fixed on a certain position
Fixing device, wherein,
Described connecting portion includes two pieces of metallic plates, and one end of two pieces of metallic plates of described connecting portion is solid by screw rod and screw respectively
Due to the two ends of described pulley, described screw rod passes the central axis of described pulley and enables described pulley around described screw rod certainly
By rotating, the other end of two pieces of metallic plates of described connecting portion is linked together by described rotary shaft, and described rotary shaft is parallel
In the central axis of described pulley and can rotate relative to described connecting portion, at one of two metallic plates of described connecting portion
Position upper, between described rotary shaft and described pulley is provided with hinge；Described hook is perpendicularly fixed at institute by screw
State the centre position of rotary shaft, it is characterised in that described pulley block also includes:
Stopping means, it includes spacing main body and limits the limit point parts of amplitude that described spacing main body rotates, wherein,
Described limit point parts are arranged on the metallic plate relative with the metallic plate with hinge, described spacing main body and described limit
Site parts are positioned at same side；
Described spacing main body is positioned at the underface of the end face of described rotary shaft when described hook keeps position vertically upward
And weld together with lower one side of something of described end face, the side that described spacing main body is welded with described end face and described end face are in shape
Adapt on shape, and the upper surface of described spacing main body is positioned at the axle center by described rotary shaft and is perpendicular to described hook axis
Straight line on；
Described limit point parts are positioned on the metallic plate of side, spacing main body place when described hook keeps position vertically upward
And above the end face of described rotary shaft on center position and against described end face.
Pulley block the most according to claim 1, it is characterised in that described spacing main body is made by metal.
Pulley block the most according to claim 1 and 2, it is characterised in that when the end face of described rotary shaft is circle, institute
State spacing main body by the spacing semi-ring adapted with the end face of described rotary shaft.
Pulley block the most according to claim 1 and 2, it is characterised in that described spacing main body is to keep at described hook
Be fixed on two cross bars of the end face both sides of described rotary shaft during position vertically upward, said two cross bar be positioned at one straight
On line and this straight line is through the end face center of described rotary shaft and the axis that is perpendicular to described hook.
Pulley block the most according to claim 1 and 2, it is characterised in that described spacing main body is to keep at described hook
Two cross bars of the both sides of the described rotary shaft part of the end face near described rotary shaft, institute it is fixed on during position vertically upward
State two cross bars to be positioned on straight line and this straight line is through the axle center of described rotary shaft and the axis that is perpendicular to described hook.
Pulley block the most according to claim 1 and 2, it is characterised in that described spacing main body is to keep at described hook
Run through described rotary shaft during position vertically upward and be fixed on the horizontal stroke of the position near its end face of described rotary shaft
On the straight line of bar, axle center that described cross bar is located across described rotary shaft and the axis that is perpendicular to described hook.
Pulley block the most according to claim 1 and 2, it is characterised in that described limit point parts are by having predetermined altitude
Metal welding point formed, the metal solder joint of described predetermined altitude can limit the rotational steps of described spacing main body.
Pulley block the most according to claim 1 and 2, it is characterised in that described limit point parts are for being fixed on described gold
Belong to the nut on plate.
Pulley block the most according to claim 8, it is characterised in that described nut is fixedly mounted on described gold by screw
Belong on plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468321.9U CN205829023U (en) | 2016-05-19 | 2016-05-19 | Pulley block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468321.9U CN205829023U (en) | 2016-05-19 | 2016-05-19 | Pulley block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829023U true CN205829023U (en) | 2016-12-21 |
Family
ID=57558538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468321.9U Withdrawn - After Issue CN205829023U (en) | 2016-05-19 | 2016-05-19 | Pulley block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006198A (en) * | 2016-05-19 | 2016-10-12 | 国网冀北电力有限公司管理培训中心 | Cable unreeling pulley and manufacture method therefor |
| CN107069565A (en) * | 2017-06-12 | 2017-08-18 | 国网辽宁省电力有限公司辽阳供电公司 | It is a kind of can adjust automatically Impact direction stringing coaster and wire tensioning device |
-
2016
- 2016-05-19 CN CN201620468321.9U patent/CN205829023U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006198A (en) * | 2016-05-19 | 2016-10-12 | 国网冀北电力有限公司管理培训中心 | Cable unreeling pulley and manufacture method therefor |
| CN106006198B (en) * | 2016-05-19 | 2018-12-25 | 国网冀北电力有限公司管理培训中心 | Pulley block and preparation method thereof |
| CN107069565A (en) * | 2017-06-12 | 2017-08-18 | 国网辽宁省电力有限公司辽阳供电公司 | It is a kind of can adjust automatically Impact direction stringing coaster and wire tensioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102401 Beijing Fangshan District Liangxiang North China Avenue 26 Co-patentee after: State Grid Corporation of China Patentee after: Jibei Electric Power Company Limited Management Training Center Address before: 102401 Beijing Fangshan District Liangxiang North China Avenue 26 Co-patentee before: State Grid Corporation of China Patentee before: Jibei Electric Power Company Limited Management Training Center |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20181225 |