CN206915645U - A kind of laborsaving assembly pulley of crane - Google Patents
A kind of laborsaving assembly pulley of crane Download PDFInfo
- Publication number
- CN206915645U CN206915645U CN201720918644.8U CN201720918644U CN206915645U CN 206915645 U CN206915645 U CN 206915645U CN 201720918644 U CN201720918644 U CN 201720918644U CN 206915645 U CN206915645 U CN 206915645U
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- China
- Prior art keywords
- pulley
- fixed pulley
- crane
- fixed
- casing
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Abstract
The utility model discloses a kind of laborsaving assembly pulley of crane,Including pulley casing,The top of the pulley casing is provided with the first wear ring,First wear ring closely welds with pulley casing,The pulley casing top is provided with hoisting hook head,The bottom of the pulley casing is provided with traction and swings case,The traction swings case top and is provided with the second wear ring,The laborsaving assembly pulley of this kind of crane,It is mounted with the first wear ring and the second wear ring,Dual safeguard structure,Not only contribute to extend the service life of the laborsaving assembly pulley of crane,And the security incident incidence of the laborsaving assembly pulley of crane can also be reduced,It is mounted with the fixed pulley that links,Left fixed pulley,Lift by crane fixed pulley,Center fixed pulley,Hauling block and right fixed pulley,Assembly pulley is formed between multiple fixed pulleys and enters action edge transmission,Advantageously reduce loss of the laborsaving assembly pulley of crane to power,Improve the operating efficiency of the laborsaving assembly pulley of crane.
Description
Technical field
Whip-gin technical field is the utility model is related to, specially a kind of laborsaving assembly pulley of crane.
Background technology
So-called whip-gin, in the design of crane, reasonably determine that pulley block ratio is critically important, general feelings
Under condition, it is desirable to achieve heavy-duty low-speed, underloading are at a high speed.According to this design principle, big multiplying power is typically selected when lifting by crane big elevating capacity,
This can be avoided selecting too thick steel wire rope, and the material of steel wire rope typically uses HT15-33 cast irons, for grab bucket and special purpose
Crane frequently with the cast steels of ZG35 II.In order to improve the efficiency of assembly pulley, improve use condition, the bearing of pulley is all using rolling
Dynamic bearing, while lifting velocity is reduced accordingly.
But existing whip-gin, because the barrier propterty of itself is poor, the service life for not only resulting in pulley shortens, and
And the incidence of security incident during pulley use is also improved, the pulley number of whip-gin is few, and transmission performance is poor, right
The loss of power is big.
So how to design a kind of laborsaving assembly pulley of crane, turning into us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of crane laborsaving assembly pulley, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of laborsaving assembly pulley of crane, including cunning
Roller box, the top of the pulley casing are provided with the first wear ring, and first wear ring closely welds with pulley casing, the pulley
Case top is provided with hoisting hook head, and the bottom of the pulley casing is provided with traction and swings case, and the traction swings case top and is provided with
Second wear ring, the bottom that the traction swings case are provided with hook, and the inside of the pulley casing is provided with multiple random
The hauling block of distribution, the bottom of the hauling block are provided with right fixed pulley, and the bottom of the right fixed pulley is provided with a left side and determined
Pulley, the bottom of the left fixed pulley are provided with linkage fixed pulley, and the bottom of the linkage fixed pulley is provided with center fixed pulley,
The bottom of the center fixed pulley is provided with lifting fixed pulley, the lifting fixed pulley, linkage fixed pulley, left fixed pulley, center
The central area of fixed pulley, right fixed pulley and hauling block is equipped with pulley spindle, and the side of the center fixed pulley is provided with steel wire
Rope.
Further, linkage fixed pulley, left fixed pulley, center fixed pulley, right fixed pulley and the hauling block pass through
Wire rope gearing connects.
Further, the top of the hook is provided with fixed block, and the hook swings case with the traction and led to
Fixed block is crossed to be fixedly connected.
Further, the center fixed pulley is flexibly connected with pulley casing by pulley spindle, and the lifting fixed pulley is with leading
Draw swing case to be flexibly connected by pulley spindle.
Further, it is be arranged in parallel between the lifting fixed pulley, center fixed pulley and linkage fixed pulley.
Compared with prior art, the beneficial effects of the utility model are：The laborsaving assembly pulley of this kind of crane, is mounted with first
Wear ring and the second wear ring, dual safeguard structure, not only contribute to extend the laborsaving assembly pulley of crane service life, and
And the security incident incidence of the laborsaving assembly pulley of crane can also be reduced, it is mounted with that linkage fixed pulley, left fixed pulley, lifting are fixed sliding
Wheel, center fixed pulley, hauling block and right fixed pulley, assembly pulley is formed between multiple fixed pulleys and enters action edge transmission, is advantageous to
Loss of the laborsaving assembly pulley of crane to power is reduced, improves the operating efficiency of the laborsaving assembly pulley of crane.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is pulley casing partial structural diagram of the present utility model；
In figure：1- hoisting hook heads；The wear rings of 2- first；3- pulley casings；The wear rings of 4- second；5- fixed blocks；6- hooks；
7- tractions swing case；8- hauling blocks；The right fixed pulleys of 9-；10- steel wire ropes；11- linkage fixed pulleys；The left fixed pulleys of 12-；13- is slided
Wheel shaft；14- lifts by crane fixed pulley；15- centers fixed pulley.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of laborsaving assembly pulley of crane, including pulley
Case 3, the top of the pulley casing 3 are provided with the first wear ring 2, and first wear ring 2 closely welds with pulley casing 3, described
The top of pulley casing 3 is provided with hoisting hook first 1, and the bottom of the pulley casing 3 is provided with traction and swings case 7, and the traction swings case 7
Top is provided with the second wear ring 4, and the bottom that the traction swings case 7 is provided with hook 6, the inside installation of the pulley casing 3
There is the hauling block 8 of multiple random distributions, the bottom of the hauling block 8 is provided with right fixed pulley 9, the right fixed pulley 9
Bottom left fixed pulley 12 is installed, the bottom of the left fixed pulley 12 is provided with linkage fixed pulley 11, the linkage fixed pulley
11 bottom is provided with center fixed pulley 15, and the bottom of the center fixed pulley 15 is provided with lifting fixed pulley 14, the lifting
The central area of fixed pulley 14, link fixed pulley 11, left fixed pulley 12, center fixed pulley 15, right fixed pulley 9 and hauling block 8
Pulley spindle 13 is equipped with, the side of the center fixed pulley 15 is provided with steel wire rope 10, and the hook 6 effectively can enter object
Row lifting is handled.
Further, linkage fixed pulley 11, left fixed pulley 12, center fixed pulley 15, right fixed pulley 9 and the hauling block
8 are connected by steel wire rope 10, facilitate linkage fixed pulley 11, left fixed pulley 12, center fixed pulley 15, right fixed pulley 9
With the activity of hauling block 8, be advantageous to improve power transmission speed.
Further, the top of the hook 6 is provided with fixed block 5, and the hook 6 swings case with the traction
7 are fixedly connected by fixed block 5, strengthen hook 6, are advantageous to extend the service life of hook 6.
Further, the center fixed pulley 15 is flexibly connected with pulley casing 3 by pulley spindle 13, the lifting fixed pulley
14 swing case 7 with traction is flexibly connected by pulley spindle 13, the activity of the lifting fixed pulley 14, is facilitated traction and is swung case 7
Move up and down processing.
Further, it is be arranged in parallel between the lifting fixed pulley 14, center fixed pulley 15 and linkage fixed pulley 11, significantly
The loss for reducing power, improve the laborsaving assembly pulley of crane operating efficiency.
Operation principle：First, staff by the laborsaving assembly pulley of crane by the hoisting hook first 1 on the top of pulley casing 3 with
Crane is fixedly mounted, after the completion of, the laborsaving assembly pulley of crane is used, in use, when crane needs to lift by crane
During weight, hoisting heavy is placed on hook 6 by staff, and after traction swings the Balance Treatment of case 7, starter starts
First to hoisting hook 1 transmits power, pulls up steel wire rope 10 after first 1 stress of hoisting hook, steel wire rope 10 first passes around hauling block 8
It is mobile, upward pulling force is then done by center fixed pulley 15, to change the direction of power transmission, power transmission is by original upper
The mode of liter changes into drop-down, and after left fixed pulley 12 and the direction transformation of right 9 dual power of fixed pulley, it is fixed sliding to pull up lifting
Wheel 14, lifting fixed pulley 14 are now in movable pulley state, pull up hook 6 while saving power, weight is risen
Hang processing.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of laborsaving assembly pulley of crane, including pulley casing（3）, it is characterised in that：The pulley casing（3）Top be provided with
First wear ring（2）, first wear ring（2）With pulley casing（3）Close welding, the pulley casing（3）Top has been provided with
Head is hung again（1）, the pulley casing（3）Bottom be provided with traction swing case（7）, the traction swing case（7）Top is provided with the
Two wear rings（4）, the traction swing case（7）Bottom hook is installed（6）, the pulley casing（3）Inside be provided with
The hauling block of multiple random distributions（8）, the hauling block（8）Bottom right fixed pulley is installed（9）, it is described right fixed sliding
Wheel（9）Bottom left fixed pulley is installed（12）, the left fixed pulley（12）Bottom linkage fixed pulley is installed（11）, it is described
Link fixed pulley（11）Bottom center fixed pulley is installed（15）, the center fixed pulley（15）To be provided with lifting fixed for bottom
Pulley（14）, the lifting fixed pulley（14）, linkage fixed pulley（11）, left fixed pulley（12）, center fixed pulley（15）, it is right fixed sliding
Wheel（9）And hauling block（8）Central area be equipped with pulley spindle（13）, the center fixed pulley（15）Side be provided with steel wire
Rope（10）.
A kind of 2. laborsaving assembly pulley of crane according to claim 1, it is characterised in that：The linkage fixed pulley（11）、
Left fixed pulley（12）, center fixed pulley（15）, right fixed pulley（9）And hauling block（8）Pass through steel wire rope（10）Drive connection.
A kind of 3. laborsaving assembly pulley of crane according to claim 1, it is characterised in that：The hook（6）Top
Fixed block is installed（5）, and the hook（6）Case is swung with the traction（7）Pass through fixed block（5）It is fixedly connected.
A kind of 4. laborsaving assembly pulley of crane according to claim 1, it is characterised in that：The center fixed pulley（15）With
Pulley casing（3）Pass through pulley spindle（13）It is flexibly connected, the lifting fixed pulley（14）Case is swung with traction（7）Pass through pulley spindle
（13）It is flexibly connected.
A kind of 5. laborsaving assembly pulley of crane according to claim 1, it is characterised in that：The lifting fixed pulley（14）、
Center fixed pulley（15）With linkage fixed pulley（11）Between be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918644.8U CN206915645U (en) | 2017-07-27 | 2017-07-27 | A kind of laborsaving assembly pulley of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918644.8U CN206915645U (en) | 2017-07-27 | 2017-07-27 | A kind of laborsaving assembly pulley of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206915645U true CN206915645U (en) | 2018-01-23 |
Family
ID=61348440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720918644.8U Expired - Fee Related CN206915645U (en) | 2017-07-27 | 2017-07-27 | A kind of laborsaving assembly pulley of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206915645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987476A (en) * | 2017-12-29 | 2019-07-09 | 梯阶电梯工程有限公司 | Separate type cable slide guide device |
-
2017
- 2017-07-27 CN CN201720918644.8U patent/CN206915645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987476A (en) * | 2017-12-29 | 2019-07-09 | 梯阶电梯工程有限公司 | Separate type cable slide guide device |
| CN109987476B (en) * | 2017-12-29 | 2021-01-15 | 梯阶电梯工程有限公司 | Separated cable guide sliding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |