CN206842944U - A kind of crane hook assembly pulley - Google Patents
A kind of crane hook assembly pulley Download PDFInfo
- Publication number
- CN206842944U CN206842944U CN201720658878.3U CN201720658878U CN206842944U CN 206842944 U CN206842944 U CN 206842944U CN 201720658878 U CN201720658878 U CN 201720658878U CN 206842944 U CN206842944 U CN 206842944U
- Authority
- CN
- China
- Prior art keywords
- pulley
- casing
- cylindrical cavity
- roundlet
- spindle
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of crane hook assembly pulley, including pulley casing, pulley and suspension hook, a large cylindrical cavity and a roundlet cylindrical cavity are provided with pulley casing, large cylindrical cavity and roundlet cylindrical cavity axis overlaps, pulley is located in the large cylindrical cavity in pulley casing, the two sides of pulley are provided with two pulley spindles, on pulley spindle a step is provided with pulley flanks, pulley spindle is fixed in the roundlet cylindrical cavity of pulley casing, bearing is also associated between pulley spindle and roundlet cylindrical cavity, flexible member and flat shim, bearing is abutted against and installed at pulley spindle step, flexible member abuts against the installation of roundlet cylindricality cavity bottom.The utility model is simple in construction, axial motion between pulley and pulley casing is reduced by the flexible member on pulley spindle, reducing to lift by crane in weight can collide with to form noise between process middle pulley and pulley casing, extend the service life of pulley and pulley casing, have significant economic benefit.
Description
Technical field
A kind of crane hook assembly pulley is the utility model is related to, belongs to crane loading field of components.
Background technology
Crane hook assembly pulley includes pulley casing, pulley and suspension hook, and pulley is arranged in pulley casing, is wound with pulley
Steel wire rope, by steel wire rope by the weight pull-up on suspension hook, due to there is gap between common assembly pulley middle pulley and pulley casing
Presence, being lifted by crane in weight can collide with to form noise between process middle pulley and pulley casing, although lifting operation is influenceed it is little,
But collide with for a long time or the service life of pulley casing or pulley can be reduced, because pulley is in pulley and cunning during through studying main
Axial float in gap between roller box, therefore by this portion gap compensation point or gap is removed, so to using at present
The structure of crane hook assembly pulley be improved and optimize.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of crane hook assembly pulley.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
A kind of crane hook assembly pulley, including pulley casing, pulley and suspension hook, foregoing pulley casing is interior to be provided with a big cylinder
Shape cavity and a roundlet cylindrical cavity, foregoing large cylindrical cavity and roundlet cylindrical cavity axis overlap, foregoing pulley position
Two pulley spindles are provided with the large cylindrical cavity in pulley casing, prolonging pulley axis on the two sides of foregoing pulley, it is foregoing
A step is provided with pulley flanks on pulley spindle, foregoing pulley spindle is fixed in the roundlet cylindrical cavity of pulley casing, preceding
State and bearing, flexible member and flat shim are also associated between pulley spindle and roundlet cylindrical cavity, aforementioned bearings abut against pulley spindle
Installed at step, aforementioned flexible element abuts against the installation of roundlet cylindricality cavity bottom, and foregoing flat shim is located at bearing and elasticity member
Between part.
Preferably, foregoing pulley casing is the midsplit type structure of closing, and pulley casing is symmetrically identical by prolonging pulley casing middle vertical plane
Two housings be formed by connecting by fastener, be advantageous to pulley casing uniform force, make pulley casing amplitude of fluctuation in the course of the work
The reduction of degree.
Preferably, foregoing pulley casing top surface offers two through holes for being used for steel wire rope disengaging, passes through the pulley casing of closing
Advantageously reduce debris to enter in pulley casing, improve the service life of pulley.
Preferably, foregoing pulley casing bottom offers a hook on hole, and foregoing suspension hook end is more than provided with an external diameter hangs
The boss of dog hole internal diameter, foregoing boss are suspended on the top surface of hook on hole.
Preferably, aforementioned flexible element is disk spring, by the pretightning force of disk spring reduce pulley and pulley casing it
Between axial motion.
Preferably, aforementioned bearings use cylinder roller bearing.
Preferably, the step on foregoing pulley spindle and pulley shaft head are equipped with the chamfering not less than 1mm.
It is of the present utility model to be beneficial in that：The utility model is simple in construction, is advantageous to subtract by the pulley casing of closing
Few debris is entered in pulley casing, and the axial direction reduced by the flexible member on pulley spindle between pulley and pulley casing is gone here and there
Dynamic, reducing to lift by crane in weight can collide with to form noise between process middle pulley and pulley casing, extend the use of pulley and pulley casing
In the life-span, there is significant economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the present utility model；
Fig. 2 is enlarged diagram at A in Fig. 1.
The implication of reference in figure：1st, pulley casing, 2, pulley, 3, pulley spindle, 4, steel wire rope, 5, suspension hook, 6, big cylinder
Shape cavity, 7, roundlet cylindrical cavity, 8, bearing, 9, flat shim, 10, flexible member.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance.
Referring to Fig. 1, a kind of crane hook assembly pulley of the present utility model, including pulley casing 1, pulley 2 and suspension hook 5, it is sliding
Roller box 1 is the midsplit type structure of closing, and pulley casing 1 passes through fastening by prolonging the middle vertical plane of pulley casing 1 two housings of symmetrical identical
Part is formed by connecting, and is advantageous to the uniform force of pulley casing 1, makes the reduction of the amplitude of fluctuation in the course of the work of pulley casing 1, pulley casing 1
Top surface offers two and is used for the through hole that steel wire rope 4 passes in and out, and advantageously reduces debris by the pulley casing 1 of closing and enters pulley
In case 1, the service life of pulley 2 is improved, a large cylindrical cavity 6 and a roundlet cylindrical cavity 7 are provided with pulley casing 1,
Large cylindrical cavity 6 and roundlet cylindrical cavity 7 axis overlaps, and pulley 2 is located in the large cylindrical cavity 6 in pulley casing 1, sliding
Take turns and steel wire rope 4 is wound with 2 races, steel wire rope 4 passes in and out from two through holes of the top surface of pulley casing 1, and the bottom of pulley casing 1 offers one
Individual hook on hole, the end of suspension hook 5 are provided with the boss that an external diameter is more than hook on hole internal diameter, and boss is suspended on the top surface of hook on hole.
Referring to Fig. 1 to Fig. 2, prolong the axis of pulley 2 on the two sides of pulley 2 and be provided with two pulley spindles 3, leaned on pulley spindle 3
A step is provided with the nearly side of pulley 2, foregoing pulley spindle 3 is fixed in the roundlet cylindrical cavity 7 of pulley casing 1, foregoing pulley
Bearing 8, flexible member 10 and flat shim 9 are also associated between axle 3 and roundlet cylindrical cavity 7, aforementioned bearings 8 abut against pulley spindle
Installed at 3 steps, aforementioned flexible element 10 abuts against the installation of the bottom of roundlet cylindrical cavity 7, and foregoing flat shim 9 is located at the He of bearing 8
Between flexible member 10.
Specific in the present embodiment, flexible member 10 is disk spring, and the He of pulley 2 is reduced by the pretightning force of disk spring
Axial motion between pulley casing 1, bearing 8 use cylinder roller bearing, and the thickness of flat shim 10 is 2mm metallic gasket, pulley
Step and the head of pulley spindle 3 on axle 3 are equipped with 1mm chamfering.
In summary, the utility model is simple in construction, and advantageously reducing debris by the pulley casing of closing enters pulley
In case, the axial motion between pulley and pulley casing is reduced by the flexible member on pulley spindle, reduces and is risen in weight
Hanging can collide with to form noise between process middle pulley and pulley casing, extend the service life of pulley and pulley casing, have significant
Economic benefit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (7)
1. a kind of crane hook assembly pulley, it is characterised in that including pulley casing, pulley and suspension hook, be provided with the pulley casing
One large cylindrical cavity and a roundlet cylindrical cavity, large cylindrical cavity and roundlet the cylindrical cavity axis overlap,
The pulley is located in the large cylindrical cavity in pulley casing, prolongs pulley axis on the two sides of the pulley and is provided with two cunnings
Wheel shaft, a step is provided with pulley flanks on the pulley spindle, the pulley spindle is fixed on the roundlet cylindricality of pulley casing
In cavity, bearing, flexible member and flat shim are also associated between pulley spindle and the roundlet cylindrical cavity, the bearing abuts
Installed at pulley spindle step, the flexible member abuts against the installation of roundlet cylindricality cavity bottom, and the flat shim is located at bearing
Between flexible member.
2. a kind of crane hook assembly pulley according to claim 1, it is characterised in that the pulley casing is in closing
Fraction structure, pulley casing are formed by connecting by prolonging pulley casing middle vertical plane two housings of symmetrical identical by fastener.
3. a kind of crane hook assembly pulley according to claim 1, it is characterised in that the pulley casing top surface offers
Two through holes for being used for steel wire rope disengaging.
4. a kind of crane hook assembly pulley according to claim 1, it is characterised in that the pulley casing bottom offers
One hook on hole, the suspension hook end are provided with the boss that an external diameter is more than hook on hole internal diameter, and the boss is suspended on hook on hole
Top surface on.
5. a kind of crane hook assembly pulley according to claim 4, it is characterised in that the flexible member is dish-shaped bullet
Spring.
6. a kind of crane hook assembly pulley according to claim 4, it is characterised in that the bearing uses cylindrical roller
Bearing.
A kind of 7. crane hook assembly pulley according to any one of claim 1-6, it is characterised in that the pulley spindle
On step and pulley shaft head be equipped with chamfering not less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658878.3U CN206842944U (en) | 2017-06-08 | 2017-06-08 | A kind of crane hook assembly pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658878.3U CN206842944U (en) | 2017-06-08 | 2017-06-08 | A kind of crane hook assembly pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206842944U true CN206842944U (en) | 2018-01-05 |
Family
ID=60799109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658878.3U Expired - Fee Related CN206842944U (en) | 2017-06-08 | 2017-06-08 | A kind of crane hook assembly pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206842944U (en) |
-
2017
- 2017-06-08 CN CN201720658878.3U patent/CN206842944U/en not_active Expired - Fee Related
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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: 20180105 Termination date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |