CN203627722U - Split belt pulley - Google Patents
Split belt pulley Download PDFInfo
- Publication number
- CN203627722U CN203627722U CN201320890067.8U CN201320890067U CN203627722U CN 203627722 U CN203627722 U CN 203627722U CN 201320890067 U CN201320890067 U CN 201320890067U CN 203627722 U CN203627722 U CN 203627722U
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- hole
- irregularly
- end cap
- hand thread
- belt pulley
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Abstract
The utility model discloses a split belt pulley which comprises a left wheel disc, a right wheel disc, end caps, a mandrel and adjusting screws. A left irregularly-shaped hole is formed in the center of the left wheel disc, the outside circumference of the inner side face of the left wheel disc is provided with a left wheel groove cone, a right irregularly-shaped hole is formed in the center of the right wheel disc, the outside circumference of the inner side face of the right wheel disc is provided with a right wheel groove cone, end cap irregularly-shaped holes are formed in the centers of the end caps, outer side faces of the end caps are provided with a plurality of end cap anti-collision through holes and a plurality of end cap threaded through holes, the peripheral section of the mandrel is provided with circumferential positioning irregularly-shaped surfaces matched with the left irregularly-shaped hole in the center of the left wheel disc and the right irregularly-shaped hole in the center of the right wheel disc, two ends of the outer circumferential surface of the mandrel are respectively provided with clamp grooves circumferentially and rotatably clamped with the end cap irregularly-shaped holes, the sections of the columnar adjusting screws are circular, and the adjusting screws are provided with external threads. The relative distance between two split structures of the belt pulley is directly adjusted by the adjusting screws, so that wear compensation of the belt pulley can be realized, belt tension or wheel groove coplanarity can be adjusted, adjusting efficiency is high, adjusting cost is low, and operation is facilitated.
Description
Technical field
The utility model relates to belt pulley field, particularly a kind of split type belt pulley.
Background technique
Belt pulley belongs to hub class part, is the device that field of industrial production is conventional, particularly in diesel engine field.Existing belt pulley generally adopts cast inblock or forging in manufacturing process.What stock size was larger is designed to the method with casting, and material is all generally cast iron (castability is better), seldom uses cast steel (castability of steel is not good); Stock size is less, can be designed as forging, and material is steel.
Belt pulley is mainly used in transmitting at a distance the occasion of power, for example the output of miniature diesel mechanomotive force.There are belt pulley wearing and tearing in the belt train of diesel engine, need the problem of further tensioning or adjusting race coplane degree, because existing belt pulley adopts cast inblock or forging, when further tensioning or adjusting race coplane degree, need directly to change belt pulley, belt, and regulate tensioning mechanism or adjusting mounting bracket.Directly change belt pulley, belt and cause the waste of material, replacement cost high, and regulate tensioning mechanism or regulate mounting bracket complicated operation, adjustment member is many, easily affects the normal operation of diesel engine belt pulley system.
Model utility content
The utility model is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, directly regulates belt pulley can realize wear compensation, and the adjusting of belt tension or adjusting race coplane degree, adjusting efficiency is high, and adjustment cost is low, easy to operate split type belt pulley.
For achieving the above object, provide a kind of split type belt pulley according to the utility model, comprising:
Left wheel disk, it is discoid, central authorities offer left irregularly-shaped hole; Outer side surface offers along circumferential multiple left hand thread blind holes and the multiple left hand thread through hole uniformly at intervals of left irregularly-shaped hole outer circumference; The outer circumference of inner side surface has the revolver groove conical surface;
Right wheel disk, it is discoid, central authorities offer right irregularly-shaped hole; Outer side surface circumferentially evenly offers multiple right-hand thread blind holes one along right irregularly-shaped hole outer circumference; The outer circumference of inner side surface has the right race conical surface, and circumferentially evenly offers right-hand thread blind hole two corresponding to left hand thread through hole multiple and described left wheel disk along right irregularly-shaped hole outer circumference;
End cap, it is discoid, central authorities offer end cap irregularly-shaped hole; Outer side surface offers along circumferentially step down through hole and multiple end cap tapped through hole of multiple end caps uniformly at intervals of end cap irregularly-shaped hole outer circumference, end cap step down through hole and the left hand thread through hole of left wheel disk, inner side surface right-hand thread blind hole two corresponding the offering of right wheel disk, end cap tapped through hole and the left hand thread blind hole of left wheel disk, outer side surface right-hand thread blind hole one corresponding the offering of right wheel disk;
Mandrel, its outer circumferential face cross section is and the circumferential location shaped face of the right irregularly-shaped hole adaptation of the left irregularly-shaped hole of left wheel disk central authorities, right wheel disk central authorities; The two ends of outer circumferential face offer respectively the draw-in groove that circumferentially rotates clamping with end cap irregularly-shaped hole;
Adjust screw, it is the column of cross section circle, and has outside thread.
In technique scheme, left hand thread blind hole and left hand thread through hole are four.
In technique scheme, right-hand thread blind hole one and right-hand thread blind hole two are four.
In technique scheme, step down through hole and end cap tapped through hole of end cap is four.
In technique scheme, end cap irregularly-shaped hole is the square hole of foursquare arc transition.
In technique scheme, mandrel is straight tube-like.
In technique scheme, draw-in groove is ring.
Compared with prior art, the utlity model has following beneficial effect: this split type belt sheave structure advantages of simple, directly regulate the relative distance of belt pulley two Split type structures can realize the wear compensation of belt pulley by adjusting screw, and the adjusting of belt tension or adjusting race coplane degree, adjusting efficiency is high, adjustment cost is low, easy to operate.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of split type belt pulley of the present utility model;
Fig. 2 is the sectional structure schematic diagram of split type belt pulley of the present utility model;
Fig. 3 is the left wheel disk structural representation of split type belt pulley of the present utility model;
Fig. 4 is the sectional structure schematic diagram of the A-A direction of Fig. 3;
Fig. 5 is the right wheel disk structural representation of split type belt pulley of the present utility model;
Fig. 6 is the sectional structure schematic diagram of the B-B direction of Fig. 5;
Fig. 7 is the end cover structure schematic diagram of split type belt pulley of the present utility model;
Fig. 8 is the core shaft structure schematic diagram of split type belt pulley of the present utility model;
Fig. 9 is the sectional structure schematic diagram of the C-C direction of Fig. 8;
Figure 10 is the adjustment bolt structure schematic diagram of split type belt pulley of the present utility model;
Description of reference numerals:
1-left wheel disk, the left irregularly-shaped hole of 11-, 12-left hand thread blind hole, 13-left hand thread through hole, the 14-revolver groove conical surface, 2-right wheel disk, the right irregularly-shaped hole of 21-, 22-right-hand thread blind hole one, the right race conical surface of 23-, 24-right-hand thread blind hole two, 3-end cap, 31-end cap irregularly-shaped hole, the 32-end cap through hole of stepping down, 33-end cap tapped through hole, 4-mandrel, 41-shaped face, 42-draw-in groove, 5-adjusts screw.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technological scheme of the utility model.
Split type belt sheave structure advantages of simple of the present utility model, directly regulate the relative distance of belt pulley two Split type structures can realize the wear compensation of belt pulley by adjusting screw, and belt tension or regulate the adjusting of race coplane degree, regulate efficiency high, adjustment cost is low, easy to operate.
Detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that the realization that can be combined by independent realization or with other aspects in various aspect of the present disclosure below.This specification clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiments, alternative, modification, alternative and system applies, comprised the current best mode that is considered to carry out the model utility principle of describing in this specification.In the time describing element or feature and/or embodiment, be intended to expression titled with " one " " one " " be somebody's turn to do " and " described " and there are one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As depicted in figs. 1 and 2, the concrete structure of this split type belt pulley comprises: left wheel disk 1, right wheel disk 2, end cap 3, mandrel 4 and adjustment screw 5.Left wheel disk 1 and right wheel disk 2 are located in mandrel 4 peripheries in opposite directions; End cap 3 is a pair of, be located in mandrel 4 peripheries from the outside of left wheel disk 1 and right wheel disk 2 respectively, and realize left wheel disk 1 and right wheel disk 2 by adjusting screw 5, and being connected and fixed of left wheel disk 1, right wheel disk 2 and end cap 3, directly regulate the relative distance of left wheel disk 1 and right wheel disk 2 can realize the wear compensation of belt pulley by adjusting screw, and belt tension or regulate the adjusting of race coplane degree, regulate efficiency high, adjustment cost is low, easy to operate.
As shown in Figure 3 and Figure 4, left wheel disk 1 is discoid, and central authorities offer left irregularly-shaped hole 11; Outer side surface offers multiple left hand thread blind holes 12 and multiple left hand thread through hole 13, and the left hand thread blind hole 12 of the present embodiment and left hand thread through hole 13 are four, and left hand thread blind hole 12 and left hand thread through hole 13 are along left irregularly-shaped hole 11 outer circumference circumferentially uniformly at intervals; The outer circumference of inner side surface has the revolver groove conical surface 14.
As shown in Figure 5 and Figure 6, right wheel disk 2 is discoid, and central authorities offer right irregularly-shaped hole 21; Outer side surface circumferentially evenly offers multiple right-hand thread blind holes 1 along right irregularly-shaped hole 21 outer circumference; The outer circumference of inner side surface has the right race conical surface 23, and circumferentially evenly offering right-hand thread blind hole 2 24 corresponding to left hand thread through hole 13 multiple and left wheel disk 1 along right irregularly-shaped hole 21 outer circumference, the right-hand thread blind hole 1 of the present embodiment and right-hand thread blind hole 2 24 are four.
As shown in Figure 7, end cap 3 is discoid, and central authorities offer end cap irregularly-shaped hole 31, and end cap irregularly-shaped hole 31 is the square hole of foursquare arc transition; Outer side surface offers multiple end caps step down through hole 32 and multiple end cap tapped through hole 33, step down through hole 32 and end cap tapped through hole 33 of the end cap of the present embodiment is four, end cap is stepped down through hole 32 and end cap tapped through hole 33 along end cap irregularly-shaped hole 31 outer circumference circumferentially uniformly at intervals, wherein, end cap step down through hole 32 and the left hand thread through hole 13 of left wheel disk 1, inner side surface right-hand thread blind hole 2 24 corresponding the offering of right wheel disk 2, end cap tapped through hole 33 and the left hand thread blind hole 12 of left wheel disk 1, outer side surface right-hand thread blind hole one 22 corresponding the offering of right wheel disk 2.
As shown in Figure 8 and Figure 9, mandrel 4 is straight tube-like, outer circumferential face cross section is and the shaped face 41 of right irregularly-shaped hole 21 adaptations of the left irregularly-shaped hole 11 of left wheel disk 1 central authorities, right wheel disk 2 central authorities, left wheel disk 1 and right wheel disk 2 distribute and are located on the shaped face 41 of mandrel 4 circumferentially location by the left irregularly-shaped hole 11 of central authorities, right irregularly-shaped hole 21, left wheel disk 1 and right wheel disk 2 can be moved axially but without relatively rotating with mandrel 4.The two ends of mandrel 4 outer circumferential faces offer respectively ring draw-in groove 42, and a pair of end cap 3 is located in draw-in groove 42 by end cap irregularly-shaped hole 31, and circumferentially rotate 45 degree and can realize the axial limiting of end cap 3 with respect to mandrel 4.
As shown in figure 10, adjusting screw 5 is the column of cross section circle, and has outside thread.
When assembling, be first screwed in advance each left hand thread through hole 13 of left wheel disk 1 by adjusting screw 5, then by left wheel disk 1 and right wheel disk 2 in opposite directions and the adjustment screw 5 of left wheel disk 1 is protruded with the right-hand thread blind hole 2 24 of right wheel disk 2 aims at, run through mandrel 4 and stop centre; Then end cap 3 through mandrel 4 two ends stop draw-in grooves 42, rotate 45 degree relative to mandrel 4 and continue to back-out to be positioned at the adjustment screw 5 of end cap tapped through hole 33 and to make to adjust screw 5 and aim at the left hand thread blind hole 12 of left wheel disk 1, the right-hand thread blind hole 1 of right wheel disk 2.Regulate width and the position of the race that the revolver groove conical surface 14 of left wheel disk 1 and the right race conical surface 23 of right wheel disk 2 form, tighten each adjustment screw 5 locking, thereby make left wheel disk 1, right wheel disk 2, end cap 3, mandrel 4, adjusts screw 5 one integrated mass.Regulate adjustment screw 5 to change the distance in opposite directions of left wheel disk 1 and right wheel disk 2, can compensate race wearing and tearing thereby change wheel well width, or the belt of adaptive different size, tightening belt.Regulate adjustment screw 5 to change the position of the relative end cap 3 of race symmetry plane simultaneously, can in train, regulate more accurate race coplane degree.
To sum up, this split type belt sheave structure advantages of simple, directly regulates the relative distance of belt pulley two Split type structures can realize the wear compensation of belt pulley by adjusting screw, and the adjusting of belt tension or adjusting race coplane degree, adjusting efficiency is high, and adjustment cost is low, easy to operate.
Finally it should be noted that: above embodiment is only in order to illustrate the utility model and the described technological scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the utility model; And all do not depart from technological scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in claim scope of the present utility model.
Claims (7)
1. a split type belt pulley, is characterized in that, comprising:
Left wheel disk, it is discoid, central authorities offer left irregularly-shaped hole; Outer side surface offers along circumferential multiple left hand thread blind holes and the multiple left hand thread through hole uniformly at intervals of described left irregularly-shaped hole outer circumference; The outer circumference of inner side surface has the revolver groove conical surface;
Right wheel disk, it is discoid, central authorities offer right irregularly-shaped hole; Outer side surface circumferentially evenly offers multiple right-hand thread blind holes one along described right irregularly-shaped hole outer circumference; The outer circumference of inner side surface has the right race conical surface, and circumferentially evenly offers right-hand thread blind hole two corresponding to left hand thread through hole multiple and described left wheel disk along described right irregularly-shaped hole outer circumference;
End cap, it is discoid, central authorities offer end cap irregularly-shaped hole; Outer side surface offers along circumferentially step down through hole and multiple end cap tapped through hole of multiple end caps uniformly at intervals of described end cap irregularly-shaped hole outer circumference, described end cap step down through hole and the left hand thread through hole of left wheel disk, inner side surface right-hand thread blind hole two corresponding the offering of right wheel disk, described end cap tapped through hole and the left hand thread blind hole of left wheel disk, outer side surface right-hand thread blind hole one corresponding the offering of right wheel disk;
Mandrel, its outer circumferential face cross section is and the circumferential location shaped face of the right irregularly-shaped hole adaptation of the left irregularly-shaped hole of described left wheel disk central authorities, right wheel disk central authorities; The two ends of outer circumferential face offer respectively the draw-in groove that circumferentially rotates clamping with end cap irregularly-shaped hole;
Adjust screw, it is the column of cross section circle, and has outside thread.
2. split type belt pulley according to claim 1, is characterized in that: described left hand thread blind hole and left hand thread through hole are four.
3. split type belt pulley according to claim 2, is characterized in that: described right-hand thread blind hole one and right-hand thread blind hole two are four.
4. split type belt pulley according to claim 3, is characterized in that: step down through hole and end cap tapped through hole of described end cap is four.
5. according to the split type belt pulley described in any one in claim 1 to 4, it is characterized in that: described end cap irregularly-shaped hole is the square hole of foursquare arc transition.
6. split type belt pulley according to claim 5, is characterized in that: described mandrel is straight tube-like.
7. split type belt pulley according to claim 5, is characterized in that: described draw-in groove is ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890067.8U CN203627722U (en) | 2013-12-31 | 2013-12-31 | Split belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890067.8U CN203627722U (en) | 2013-12-31 | 2013-12-31 | Split belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627722U true CN203627722U (en) | 2014-06-04 |
Family
ID=50814204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890067.8U Withdrawn - After Issue CN203627722U (en) | 2013-12-31 | 2013-12-31 | Split belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791060A (en) * | 2013-12-31 | 2014-05-14 | 广西玉柴机器股份有限公司 | Split-type belt pulley |
-
2013
- 2013-12-31 CN CN201320890067.8U patent/CN203627722U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791060A (en) * | 2013-12-31 | 2014-05-14 | 广西玉柴机器股份有限公司 | Split-type belt pulley |
| CN103791060B (en) * | 2013-12-31 | 2016-02-24 | 广西玉柴机器股份有限公司 | Split type belt pulley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |