CN207330213U - Pulley assembly and lifting equipment - Google Patents
Pulley assembly and lifting equipment Download PDFInfo
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- CN207330213U CN207330213U CN201721051479.7U CN201721051479U CN207330213U CN 207330213 U CN207330213 U CN 207330213U CN 201721051479 U CN201721051479 U CN 201721051479U CN 207330213 U CN207330213 U CN 207330213U
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- avulsion
- wheel
- bearing wheels
- pulley assembly
- steel wire
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Abstract
The technical field of stage machinery is the utility model is related to, more particularly, to a kind of pulley assembly and lifting equipment.The pulley assembly includes：Bearing wheels, anti-avulsion wheel and supporting plate；The side face of bearing wheels is along its circumferentially disposed crossed beam trunking for being useful for load-bearing wires rope；Bulge-structure is circumferentially provided with along it on the side face of anti-avulsion wheel, bulge-structure is extended to the in wire casing forming sealing passage between crossed beam trunking；Bearing wheels and anti-avulsion wheel are arranged on supporting plate by connecting shaft, so that bearing wheels and anti-avulsion wheel can rotate.The pulley assembly solves lifting equipment in lifting process, and steel wire rope departs from, be stuck in the crossed beam trunking of slide assemblies or bearing wheels are subject to frictional force, reduces the technical problem of lifting efficiency.
Description
Technical field
The technical field of stage machinery is the utility model is related to, more particularly, to a kind of pulley assembly and lifting equipment.
Background technology
Pulley assembly is lifting industry, the usual means of stage machinery industry, the especially hanging in stage machinery industry
It is especially prevalent in system.Specifically, being provided with crossed beam trunking on pulley assembly, one end connection of steel wire rope needs the thing of lifting
Product, the other end of steel wire rope pass through crossed beam trunking with reel, driving steel wire rope edge to cross line by reel in crane
Slided in groove.But when steel wire rope loosens, steel wire rope easily departs from from crossed beam trunking, causes security risk.
As shown in Figure 1, existing pulley assembly includes bearing wheels 100 and anti-avulsion set, anti-avulsion set includes the second connecting shaft
240 and the steel bushing that is socketed in the second connecting shaft 240, realized by the setting of steel bushing and stop steel wire rope 400 from crossed beam trunking 110
Depart from.But when the gap between steel bushing and bearing wheels 100 is excessive, it is possible that steel wire rope 400 is disengaged from the groove, or make steel
Cord 400 is snapped between steel bushing and bearing wheels 100, shortens the service life of steel wire rope 400, or even damages lifting equipment；
When the gap between steel bushing and bearing wheels 100 is too small, makes to produce friction between steel bushing and bearing wheels 100, make steel bushing and bearing wheels
100 abrasions, reduce the velocity of rotation of bearing wheels 100, so as to reduce lifting efficiency.
Utility model content
First purpose of the utility model is to provide a kind of pulley assembly, to alleviate lifting equipment in lifting process
In, steel wire rope departs from, be stuck in the crossed beam trunking of slide assemblies or bearing wheels are subject to frictional force, and the technology for reducing lifting efficiency is asked
Topic.
Pulley assembly provided by the utility model, including：Bearing wheels, anti-avulsion wheel and supporting plate；
The side face of the bearing wheels is along its circumferentially disposed crossed beam trunking for being useful for load-bearing wires rope；In the week of the anti-avulsion wheel
Face is circumferentially provided with bulge-structure along it, and the bulge-structure is extended in the crossed beam trunking, make the bulge-structure with it is described
Sealing passage is formed between crossed beam trunking；
Bearing wheels and the anti-avulsion wheel is arranged on supporting plate by connecting shaft, so that the bearing wheels and anti-avulsion wheel
It can rotate.
Further, the anti-avulsion wheel includes first end, the second end and the 3rd set successively along its thickness direction
End；
The second end is bulge-structure, and the second end extend to the crossed beam trunking formed with the wire casing it is close
Seal passage；The first end and the 3rd the end end contact with the both ends of the crossed beam trunking respectively.
Further, the side wall of the crossed beam trunking is inclined-plane, and the bottom of the crossed beam trunking is arc surface, the crossed beam trunking
Notch to gradually increase from inside to outside, the both sides of the second end be inclined-plane, the inclined-plane of the second end and the mistake line
The side wall of groove is in contact.
Further, the anti-avulsion wheel includes the first anti-avulsion wheel, and the first anti-avulsion wheel is arranged on described in steel wire rope entrance
At the position of bearing wheels.
Further, the anti-avulsion wheel further includes the second anti-avulsion wheel, and the second anti-avulsion wheel is arranged on steel wire rope and leaves institute
State at the position of bearing wheels.
Further, multiple 3rd anti-avulsion wheels are provided between the first anti-avulsion wheel and the second anti-avulsion wheel.
Further, semicircle straight slot, the center of circle and the bearing wheels of the semicircle straight slot are provided with the supporting plate
The center of circle be same circle core shaft, and the semicircle straight slot is upper semi-circle；
The first anti-avulsion wheel and the second anti-avulsion wheel are arranged on the semicircle straight slot.
Further, the supporting plate includes first support plate and second support plate, the first support plate and second
Frame plate is oppositely arranged, and bearing wheels and the anti-avulsion wheel is arranged between the first support plate and second support plate.
Further, pulley assembly further includes multiple support rollers, and multiple support rollers are arranged at same with the anti-avulsion wheel
In connecting shaft.
Compared with prior art, the utility model has the advantage that：
Pulley assembly provided by the utility model, limits steel wire rope by anti-avulsion wheel and departs from from crossed beam trunking, and passes through
Supporting plate plays the purpose of support bearing wheel and anti-avulsion wheel.It is, crossed beam trunking is set along the circumferential direction of bearing wheels, make bearing wheels
In rotation process, steel wire rope in crossed beam trunking, is extended to the in wire casing by the bulge-structure of anti-avulsion wheel all the time, makes raised knot
Sealing passage is formed between structure and crossed beam trunking, steel wire penetrating sealing passage, makes steel wire rope be not easy to depart from from sealing passage, protect
Hinder steel wire rope in sealing passage；And since steel wire penetrating seals passage, steel wire rope is set to be not easy to be stuck in anti-avulsion wheel with crossing line
Between groove, so as to protect the use of steel wire rope, it is not easy to make steel rope abrasion；Further, since bearing wheels and anti-avulsion wheel is equal
It is arranged on by connecting shaft on supporting plate, makes steel wire rope drive bearing wheels to rotate, anti-avulsion wheel is by the frictional force with bearing wheels
Rotated, reduce the frictional force between anti-avulsion wheel and bearing wheels, enable bearing wheels normal rotation, so that steel wire rope energy
It is enough efficiently to be slided, the efficiency of the lifting of lifting equipment is improved, while reduce the abrasion between anti-avulsion wheel bearing wheels,
Extend the service life of pulley assembly.
Second purpose of the utility model is to provide a kind of lifting equipment, to alleviate lifting equipment in lifting process
In, steel wire rope departs from, be stuck in the crossed beam trunking of slide assemblies or bearing wheels are subject to frictional force, and the technology for reducing lifting efficiency is asked
Topic.
Lifting equipment provided by the utility model, including：Reel, steel wire rope and the pulley assembly；
Wound on the reel, the other end of the steel wire rope passes through the carrying of the pulley assembly for described steel wire rope one end
Take turns and heavy articles to be risen connect
Compared with prior art, the utility model has the advantage that：
Lifting equipment provided by the utility model, by one end of steel wire rope on reel, the other end of steel wire rope
Bearing wheels through pulley assembly are connected with heavy articles to be risen, and can change the moving direction of steel wire rope by pulley assembly, are led to
The rotation of reel is crossed, makes wirerope-winding or leaves on reel, so as to fulfill the mesh that heavy articles to be risen are raised or reduced is made
's.Wherein, the structure of pulley assembly and beneficial effect is above-mentioned that detailed description has been carried out, is not discussed here.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the sectional view for the slide assemblies that the prior art provides；
Fig. 2 is the sectional view for the slide assemblies that the utility model embodiment one provides；
Fig. 3 is the front view for the slide assemblies that the utility model embodiment one provides, wherein, the change direction of steel wire rope is
90 degree；
Fig. 4 is the front view for the slide assemblies that the utility model embodiment one provides, wherein, the change direction of steel wire rope is
180 degree；
Fig. 5 is the sectional view for the slide assemblies for being provided with support roller that the utility model embodiment one provides.
Icon：100- bearing wheels；200- anti-avulsion wheels；300- supporting plates；400- steel wire ropes；110- crossed beam trunkings；
The first connecting shafts of 120-；210- first ends；220- the second ends；The 3rd ends of 230-；The second connecting shafts of 240-；
241- support rollers；310- semicircle straight slots.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " on ", " under ", " vertical ", " level ", " interior ",
The orientation or position relationship of instructions such as " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this reality
With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Embodiment one
As shown in Fig. 2, pulley assembly provided in this embodiment, including：Bearing wheels 100, anti-avulsion wheel 200 and supporting plate 300；
The crossed beam trunking 110 for load-bearing wires rope 400 is provided with along its circumferential direction in the side face of bearing wheels 100；The side face of anti-avulsion wheel 200
Bulge-structure is circumferentially provided with along it, bulge-structure is extended to the in wire casing 110 sealing passage between the formation of crossed beam trunking 110；
Bearing wheels 100 and anti-avulsion wheel 200 are arranged on supporting plate 300 by connecting shaft, so that bearing wheels 100 and anti-avulsion wheel 200
It can rotate.The sealing passage formed by steel wire rope 400 through bulge-structure with crossed beam trunking 110, is not easy steel wire rope 400
Depart from from sealing passage, ensure steel wire rope 400 in sealing passage；And since steel wire rope 400 is through sealing passage, make steel wire rope
400 are not easy to be stuck between anti-avulsion wheel 200 and crossed beam trunking 110, so that not allowing for steel wire rope 400 is easy to wear；Further, since hold
Carry wheel 100 and anti-avulsion wheel 200 is arranged on supporting plate 300 by connecting shaft, reduce anti-avulsion wheel 200 and bearing wheels 100
Between frictional force, steel wire rope 400 is efficiently slided, improve the efficiency of the lifting of lifting equipment.
Wherein, it is to be herein pointed out bearing wheels 100 with supporting plate 300 are connected by the first connecting shaft 120, only
De- wheel 200 is connected with supporting plate 300 by the second connecting shaft 240.
Specifically, as shown in Fig. 2, anti-avulsion wheel 200 includes the first end 210, second set successively along its thickness direction
220 and the 3rd end 230 of end；The second end 220 is bulge-structure, and the second end 220 is extended to the over wire casing 110 and wire casing
Form sealing passage；210 and the 3rd end 230 of the first end end contact with the both ends of crossed beam trunking 110 respectively.Pass through second
End 220 and crossed beam trunking 110 form sealing passage, 210 and the 3rd end 230 of first end both ends with crossed beam trunking 110 respectively
End contact, make sealing passage formed two layers protection, make steel wire rope 400 be not easy to depart from from crossed beam trunking 110, also, increase
Big contact area of the anti-avulsion wheel 200 with bearing wheels 100, is conducive to the rotation of anti-avulsion wheel 200, reduces anti-avulsion wheel 200 with holding
Carry the concentrated wear of wheel 100.Need exist for illustrating, can also be divided into two along its thickness direction on the side face of anti-avulsion wheel 200
Section, one section with the circumferential contact of bearing wheels 100, another section is extended to the in wire casing 110, the section is formed with crossed beam trunking 110 close
Seal passage.
On the basis of above-described embodiment, further, as shown in Fig. 2, the side wall of crossed beam trunking 110 is inclined-plane, and crossed beam trunking
110 bottom is arc surface, and for the notch of crossed beam trunking 110 to gradually increasing from inside to outside, the both sides of the second end 220 are inclined-plane, the
The inclined-plane of two ends 220 is in contact with the side wall of crossed beam trunking 110.Wherein, it is arc surface by the bottom for making crossed beam trunking 110, makes
Steel wire rope 400 can be close in your crossed beam trunking 110, and can place the steel wire rope 400 of different-diameter.Pass through crossed beam trunking 110
Notch to gradually increase from inside to outside, the inclined-plane at 220 both ends of the second end is in contact with the side wall of crossed beam trunking 110, makes steel wire rope
400 are not easy to snap between the second end 220 and crossed beam trunking 110, enable 400 normal movement of steel wire rope.Certainly, crossed beam trunking
110 notch can also be gradually reduced, or the notch of crossed beam trunking 110 is constant.
In addition, the position that anti-avulsion wheel 200 is set have it is a variety of, in the present embodiment, as shown in figure 3, anti-avulsion wheel 200 includes the
One anti-avulsion wheel, the first anti-avulsion wheel are arranged on steel wire rope 400 and enter at the position of bearing wheels 100.It is, the first anti-avulsion wheel is in steel
Cord 400 enter bearing wheels 100 when steel wire rope 400 is carried out it is spacing, make steel wire rope 400 enter bearing wheels 100 when will not go out
Now depart from the situation of crossed beam trunking 110.
On the basis of above-described embodiment, pulley assembly can also set multiple anti-avulsion wheels 200, for example, as shown in figure 3, only
De- wheel 200 further includes the second anti-avulsion wheel, and the second anti-avulsion wheel is arranged on steel wire rope 400 and leaves at the position of bearing wheels 100.Thus
When the steel wire rope 400 is entered and left bearing wheels 100, carried out respectively by the first anti-avulsion wheel and the second anti-avulsion wheel it is spacing, more preferably
Limitation steel wire rope 400 depart from crossed beam trunking 110.
Certainly, in order to play more preferable limit effect, as shown in figure 3, the first anti-avulsion wheel and the second anti-avulsion wheel it
Between be provided with multiple 3rd anti-avulsion wheels.
Meanwhile explanation is needed exist for, the purpose of pulley assembly is the original moving direction for changing steel wire rope 400, because
This, it is a variety of that steel wire rope 400 needs the direction that changes to have, such as it is 90 degree or 180 degree to change direction.In order to facilitate adjusting anti-avulsion
The position of wheel 200, adapts it to the steel wire rope 400 under different situations, as shown in Figure 3 and Figure 4, is provided with supporting plate 300
Semicircle straight slot 310, the center of circle of semicircle straight slot 310 is same circle core shaft with the center of circle of bearing wheels 100, and semicircle straight slot 310 is upper
Semicircle；First anti-avulsion wheel and the second anti-avulsion wheel are arranged on semicircle straight slot 310.It is, the first anti-avulsion wheel and the second anti-avulsion
Wheel can arbitrarily be slided and fastened in semicircle straight slot 310 as needed.Specifically, when steel wire rope 400 needs to change 90 degree
When, the first anti-avulsion wheel is arranged on one end of semicircle straight slot 310, and adjacent steel wire rope 400 enters the position of bearing wheels 100, and second
Anti-avulsion wheel is arranged on the most significant end of semicircle straight slot 310, with reference to the schematic diagram of figure 3；When steel wire rope 400 needs to change 180 degree, the
One anti-avulsion wheel position is constant, and the second anti-avulsion wheel is arranged on the other end of semicircle straight slot 310, with reference to the schematic diagram of figure 4.When being provided with
During the 3rd anti-avulsion wheel, the 3rd anti-avulsion wheel is arranged between the first anti-avulsion wheel and the second anti-avulsion wheel, and is adjusted as needed most preferably
Position.
In addition, in order to preferably play fixed bearing wheels 100 and anti-avulsion wheel 200, make bearing wheels 100 and anti-avulsion wheel
200 firm settings, supporting plate 300 include first support plate and second support plate, and first support plate and second support plate are opposite
Set, bearing wheels 100 and anti-avulsion wheel 200 are arranged between first support plate and second support plate.By making 100 He of bearing wheels
Anti-avulsion wheel 200 is arranged between first support plate and second support plate, can consolidate bearing wheels 100 and 200 position of anti-avulsion wheel,
So as to preferably play the supporting role to steel wire rope 400.
In order to increase the function of pulley assembly, as shown in figure 5, pulley assembly further includes multiple support rollers 241, multiple supports
Wheel 241 is arranged in same connecting shaft with anti-avulsion wheel 200.It is, multiple support rollers 241 are connected with anti-avulsion wheel 200 second
On axis 240, it can be carried more with steel wire rope 400 by support roller 241, pulley assembly is effectively applied.
To sum up, pulley assembly provided in this embodiment, is taken off by the limitation steel wire rope 400 of anti-avulsion wheel 200 from crossed beam trunking 110
From, and play by supporting plate 300 purpose of support bearing wheel 100 and anti-avulsion wheel 200.It is, crossed beam trunking 110 is along carrying
The circumferencial direction of wheel 100 is set, and makes bearing wheels 100 in rotation process, and steel wire rope 400 is all the time in crossed beam trunking 110, by only
The bulge-structure of de- wheel 200 is extended to the in wire casing 110, bulge-structure is formed sealing passage, steel wire rope with crossed beam trunking 110
400, through sealing passage, make steel wire rope 400 be not easy to depart from from sealing passage, ensure steel wire rope 400 in sealing passage；And
Since steel wire rope 400 is through passage is sealed, steel wire rope 400 is set to be not easy to be stuck between anti-avulsion wheel 200 and crossed beam trunking 110, so that
Protect the use of steel wire rope 400, it is not easy to wear steel wire rope 400；Further, since bearing wheels 100 and anti-avulsion wheel 200 is equal
It is connected to by connecting shaft on supporting plate 300, makes steel wire rope 400 drive bearing wheels 100 to rotate, anti-avulsion wheel 200 relies on and carrying
The frictional force of wheel 100 is also rotated, and is reduced the frictional force between anti-avulsion wheel 200 and bearing wheels 100, is enable bearing wheels 100
Enough normal rotations, so that steel wire rope 400 can be slided efficiently, improve the efficiency of the lifting of lifting equipment, at the same time
Reduce the abrasion between 200 bearing wheels 100 of anti-avulsion wheel, extend the service life of pulley assembly.
In addition, in the present embodiment, include connected first end respectively along its thickness direction on the side face of anti-avulsion wheel 200
210th, 220 and the 3rd end 230 of the second end；The second end 220 extends to crossed beam trunking 110, the side wall at 220 both ends of the second end
Contacted with the side wall of crossed beam trunking 110, end face of 210 and the 3rd end 230 of first end respectively with the both ends of crossed beam trunking 110 connects
Touch, anti-avulsion wheel 200 is sufficiently contacted with bearing wheels 100, reduce both gaps, so that reducing appearance departs from crossed beam trunking
110 or the probability that blocks.
In addition, in the present embodiment, by being provided with semicircle straight slot 310 on supporting plate 300, in semicircle straight slot 310
The first anti-avulsion wheel and the second anti-avulsion wheel are connected with, the first anti-avulsion wheel enters at bearing wheels 100 in steel wire rope 400 to be set, and second stops
De- wheel leaves in steel wire rope 400 and is set at bearing wheels 100, steel wire rope 400 was limited to when entering and leaving bearing wheels 100
In wire casing 110, the reliability of anti-avulsion wheel 200 is improved.
Embodiment two
Lifting equipment provided in this embodiment, including：The pulley assembly of reel, 400 sum of steel wire rope；400 one end of steel wire rope
Wound on reel, the bearing wheels 100 of the other end through the pulley assembly of steel wire rope 400 are connected with heavy articles to be risen
Lifting equipment provided in this embodiment, by one end of steel wire rope 400 on reel, steel wire rope 400 it is another
The bearing wheels 100 of one end through pulley assembly are connected with heavy articles to be risen, and can change the shifting of steel wire rope 400 by pulley assembly
Dynamic direction, by the rotation of reel, makes steel wire rope 400 wind or leave on reel, is raised so as to fulfill heavy articles to be risen are made
Or the purpose reduced.Wherein, the structure of pulley assembly and beneficial effect is above-mentioned that detailed description has been carried out, here no longer
Repeated.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. pulley assembly, it is characterised in that including：Bearing wheels, anti-avulsion wheel and supporting plate；The side face of the bearing wheels is along its circumferentially disposed crossed beam trunking for being useful for load-bearing wires rope；On the side face edge of the anti-avulsion wheel It is circumferentially provided with bulge-structure, and the bulge-structure is extended in the crossed beam trunking, the bulge-structure is crossed line with described Sealing passage is formed between groove；Bearing wheels and the anti-avulsion wheel is arranged on supporting plate by connecting shaft, so that the bearing wheels and anti-avulsion wheel can Rotate.
- 2. pulley assembly according to claim 1, it is characterised in that the anti-avulsion wheel includes setting along its thickness direction successively First end, the second end and the 3rd end put；The second end is bulge-structure, and the second end extends to the crossed beam trunking and formed to seal with the wire casing and leads to Road；The first end and the 3rd the end end contact with the both ends of the crossed beam trunking respectively.
- 3. pulley assembly according to claim 2, it is characterised in that the side wall of the crossed beam trunking is inclined-plane, and the mistake The bottom of wire casing is arc surface, and for the notch of the crossed beam trunking to gradually increasing from inside to outside, the both sides of the second end are inclined-plane, The inclined-plane of the second end is in contact with the side wall of the crossed beam trunking.
- 4. pulley assembly according to claim 1, it is characterised in that the anti-avulsion wheel includes the first anti-avulsion wheel, and described One anti-avulsion wheel is arranged on steel wire rope and enters at the position of the bearing wheels.
- 5. pulley assembly according to claim 4, it is characterised in that the anti-avulsion wheel further includes the second anti-avulsion wheel, described Second anti-avulsion wheel is arranged on steel wire rope and leaves at the position of the bearing wheels.
- 6. pulley assembly according to claim 5, it is characterised in that in the first anti-avulsion wheel and the second anti-avulsion wheel Between be provided with multiple 3rd anti-avulsion wheels.
- 7. pulley assembly according to claim 5, it is characterised in that semicircle straight slot, institute are provided with the supporting plate It is same circle core shaft that the center of circle of semicircle straight slot, which is stated, with the center of circle of the bearing wheels, and the semicircle straight slot is upper semi-circle；The first anti-avulsion wheel and the second anti-avulsion wheel are arranged on the semicircle straight slot.
- 8. pulley assembly according to claim 1, it is characterised in that the supporting plate includes first support plate and second Frame plate, the first support plate and second support plate are oppositely arranged, and bearing wheels and the anti-avulsion wheel is arranged at described first Between frame plate and second support plate.
- 9. pulley assembly according to claim 2, it is characterised in that further include multiple support rollers, multiple support rollers and institute Anti-avulsion wheel is stated to be arranged in same connecting shaft.
- A kind of 10. lifting equipment, it is characterised in that including：Reel, steel wire rope and such as claim 1-9 any one of them cunning Wheel assembly；Described steel wire rope one end wound on the reel, the other end of the steel wire rope through the pulley assembly bearing wheels with Heavy articles connection to be risen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051479.7U CN207330213U (en) | 2017-08-21 | 2017-08-21 | Pulley assembly and lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051479.7U CN207330213U (en) | 2017-08-21 | 2017-08-21 | Pulley assembly and lifting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207330213U true CN207330213U (en) | 2018-05-08 |
Family
ID=62373246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051479.7U Active CN207330213U (en) | 2017-08-21 | 2017-08-21 | Pulley assembly and lifting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207330213U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672444A (en) * | 2019-11-06 | 2020-01-10 | 中天科技海缆有限公司 | Cable abrasion testing platform and testing method |
| JP2020196556A (en) * | 2019-05-31 | 2020-12-10 | 株式会社明電舎 | Rope detachment preventing device for elevator winding machine |
| CN113003384A (en) * | 2021-03-22 | 2021-06-22 | 保定天威保变电气股份有限公司 | Steel wire rope stress balancing wheel for large-tonnage hoisting |
-
2017
- 2017-08-21 CN CN201721051479.7U patent/CN207330213U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020196556A (en) * | 2019-05-31 | 2020-12-10 | 株式会社明電舎 | Rope detachment preventing device for elevator winding machine |
| JP7180541B2 (en) | 2019-05-31 | 2022-11-30 | 株式会社明電舎 | Rope detachment prevention device for elevator hoist |
| CN110672444A (en) * | 2019-11-06 | 2020-01-10 | 中天科技海缆有限公司 | Cable abrasion testing platform and testing method |
| CN113003384A (en) * | 2021-03-22 | 2021-06-22 | 保定天威保变电气股份有限公司 | Steel wire rope stress balancing wheel for large-tonnage hoisting |
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