CN206842935U - A kind of crane pulley case - Google Patents
A kind of crane pulley case Download PDFInfo
- Publication number
- CN206842935U CN206842935U CN201720658879.8U CN201720658879U CN206842935U CN 206842935 U CN206842935 U CN 206842935U CN 201720658879 U CN201720658879 U CN 201720658879U CN 206842935 U CN206842935 U CN 206842935U
- Authority
- CN
- China
- Prior art keywords
- pulley
- locking nut
- spindle
- bolt
- casing
- 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 pulley case, including pulley casing, movable pulley, locking nut, bolt and bolt and nut, movable pulley is located in pulley casing, movable pulley is connected with pulley spindle at axis, the both ends outer surface Vehicle Processing external screw thread of pulley spindle, the both ends of pulley spindle pass through two relative side walls of pulley casing and locked with locking nut, locking nut offers one perpendicular to locking nut axis and through pulley spindle and the through hole of locking nut on locking nut after being fixed on pulley spindle, the end of thread of bolt fastens through through hole blending bolt nut.The utility model is simple in construction, the axial direction of pulley spindle is locked by locking nut, anti- locking pulley axial float, bolt mainly prevents locking nut from loosening, the present apparatus can be reduced can collide with to form noise during weight lifting between movable pulley and pulley casing, extend the service life of movable pulley and pulley casing, there is significant economic benefit.
Description
Technical field
A kind of crane pulley case is the utility model is related to, belongs to movable pulley field.
Background technology
Crane pulley case includes pulley casing and movable pulley, and movable pulley is arranged in pulley casing, is wound with movable pulley
Steel wire rope, due to there is the presence in gap between movable pulley and pulley casing in common assembly pulley, process middle pulley is lifted by crane in weight
It can collide with to form noise between pulley casing, although influenceing less, to collide with for a long time or pulley can be reduced on lifting operation
The service life of case or movable pulley, during through studying main due in gap of the movable pulley between movable pulley and pulley casing axially
Play, therefore by this portion gap compensation point or gap is removed, so to the knot of the crane pulley case used at present
Structure is improved and optimized.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of crane pulley case.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
A kind of crane pulley case, including pulley casing, movable pulley, locking nut, bolt and bolt and nut, foregoing dynamic cunning
Wheel is connected with pulley spindle in the pulley casing at foregoing movable pulley axis, outside the both ends outer surface Vehicle Processing of foregoing pulley spindle
Screw thread, the both ends of pulley spindle pass through two relative side walls of pulley casing and locked with locking nut, and foregoing locking nut is fixed
One is offered perpendicular to locking nut axis on locking nut after on pulley spindle and runs through pulley spindle and locking nut
Through hole, the end of thread of foregoing bolt fastens through through hole blending bolt nut, and locking nut locks the axial direction of pulley spindle
Tightly, anti-locking pulley axial float, bolt mainly prevent locking nut from loosening, and bolt can extend not by pulley spindle axial force
Bolt service life.
Preferably, foregoing locking nut uses GB/T 41-2000 c-type hex nut.
Preferably, the both ends of foregoing pulley spindle are not less than the thickness of locking nut beyond the distance of pulley casing side wall.
Preferably, it is additionally provided with spring bearing between foregoing movable pulley and pulley spindle.
Preferably, foregoing spring bearing uses cylinder roller bearing.
Preferably, foregoing pulley casing top surface offers two square holes for being used for steel wire rope disengaging.
Preferably, the both ends of foregoing pulley spindle 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, by locking nut by the axle of pulley spindle
Locked to direction, anti-locking pulley axial float, bolt mainly prevents locking nut from loosening, and the present apparatus can be reduced lifts by crane in weight
During can collide with to form noise between movable pulley and pulley casing, extend the service life of movable pulley and pulley casing, have notable
Economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the present utility model；
Fig. 2 be in Fig. 1 A to schematic diagram.
The implication of reference in figure：1st, pulley casing, 2, movable pulley, 3, pulley spindle, 4, locking nut, 5, spring bearing,
6th, steel wire rope, 7, bolt, 8, bolt and nut.
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 pulley case of the present utility model, including pulley casing 1, movable pulley 2, locking nut 4,
Bolt 7 and bolt and nut 8, movable pulley 2 are located in pulley casing 1, and pulley spindle 3, the He of movable pulley 2 are connected with the axis of movable pulley 2
Spring bearing 5 is additionally provided between pulley spindle 3, wherein spring bearing 5 uses cylinder roller bearing, the both ends outer surface of pulley spindle 3
Vehicle Processing external screw thread, the both ends of pulley spindle 3 pass through two relative side walls of pulley casing 1 and locked with locking nut 4, locking screw
Mother 4 offers one perpendicular to the axis of locking nut 4 after being fixed on pulley spindle 3 on locking nut 4 and runs through pulley spindle 3
With the through hole of locking nut 4, the end of thread of bolt 7 fastens through through hole blending bolt nut 8, and locking nut 4 is by pulley spindle 3
Axial direction is locked, and the anti-axial float of locking pulley 2, bolt 7 mainly prevents locking nut 4 from loosening, and bolt 7 is not by pulley spindle
3 axial forces, the service life of bolt 7 can be extended.
Referring to Fig. 1 and Fig. 2, steel wire rope 6 is wound with the race of movable pulley 2, the top surface of pulley casing 1 offers two and is used for steel wire
The square hole of the disengaging of rope 6, the both ends of pulley spindle 3 are beyond the thickness that the distance of the side wall of pulley casing 1 is 1.5 locking nuts 4, pulley spindle
3 both ends are equipped with 1mm chamfering.
Specific in the present embodiment, locking nut 4 uses GB/T 41-2000 c-type hex nut.
In summary, the utility model is simple in construction, is locked the axial direction of pulley spindle by locking nut, anti-stop
Pulley axial float, bolt mainly prevent locking nut from loosening, and the present apparatus can reduce movable pulley and cunning during weight lifting
It can collide with to form noise between roller box, extend the service life of movable pulley and pulley casing, there is 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 pulley case, it is characterised in that including pulley casing, movable pulley, locking nut, bolt and bolt spiral shell
Mother, the movable pulley are located in pulley casing, and pulley spindle, the both ends appearance of the pulley spindle are connected with the movable pulley axis
Face Vehicle Processing external screw thread, the both ends of pulley spindle pass through two relative side walls of pulley casing and locked with locking nut, the lock
Tight nut offers one perpendicular to locking nut axis after being fixed on pulley spindle on locking nut and runs through pulley spindle
With the through hole of locking nut, the end of thread of the bolt fastens through through hole blending bolt nut.
2. a kind of crane pulley case according to claim 1, it is characterised in that the locking nut uses GB/T
41-2000 c-type hex nut.
3. a kind of crane pulley case according to claim 1, it is characterised in that the both ends of the pulley spindle are beyond cunning
The distance of roller box side wall is not less than the thickness of locking nut.
4. a kind of crane pulley case according to claim 1, it is characterised in that between the movable pulley and pulley spindle
It is additionally provided with spring bearing.
5. a kind of crane pulley case according to claim 4, it is characterised in that the spring bearing is rolled using cylinder
Sub- bearing.
6. a kind of crane pulley case according to claim 1, it is characterised in that the pulley casing top surface offers two
The individual square hole for steel wire rope disengaging.
7. a kind of crane pulley case according to any one of claim 1-6, it is characterised in that the pulley spindle
Both ends are equipped with the chamfering not less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658879.8U CN206842935U (en) | 2017-06-08 | 2017-06-08 | A kind of crane pulley case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658879.8U CN206842935U (en) | 2017-06-08 | 2017-06-08 | A kind of crane pulley case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206842935U true CN206842935U (en) | 2018-01-05 |
Family
ID=60799111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658879.8U Expired - Fee Related CN206842935U (en) | 2017-06-08 | 2017-06-08 | A kind of crane pulley case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206842935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860165A (en) * | 2021-09-08 | 2021-12-31 | 山东博宇重工科技有限公司 | Pulley overhead crane |
-
2017
- 2017-06-08 CN CN201720658879.8U patent/CN206842935U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860165A (en) * | 2021-09-08 | 2021-12-31 | 山东博宇重工科技有限公司 | Pulley overhead crane |
| CN113860165B (en) * | 2021-09-08 | 2023-12-26 | 山东博宇重工科技有限公司 | Crane with overhead pulley |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20180608 |