CN220320247U - Synchronous pulley transmission device - Google Patents
Synchronous pulley transmission device Download PDFInfo
- Publication number
- CN220320247U CN220320247U CN202321559234.0U CN202321559234U CN220320247U CN 220320247 U CN220320247 U CN 220320247U CN 202321559234 U CN202321559234 U CN 202321559234U CN 220320247 U CN220320247 U CN 220320247U
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- China
- Prior art keywords
- pulley
- band pulley
- end side
- limiting plate
- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 11
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Pulleys (AREA)
Abstract
The utility model discloses a synchronous pulley transmission device, which comprises a pulley shaft and a belt, wherein a central circular groove which is in plug-in fit with the end head of the pulley shaft is formed in the central position of the pulley, a convex rib which is in plug-in fit with a clamping groove is fixed on the end head of the pulley shaft, an annular limiting plate which is in fit with one end side surface of the pulley is fixed on the arc-shaped side surface of the pulley shaft, a baffle disc which is in fit with the other end side surface of the pulley is fixed on the end side surface of the pulley shaft, and the baffle disc is fixed on the end side surface of the pulley shaft through a locking bolt; according to the pulley assembly and disassembly device, the transmission center plane of each pulley is located in the same plane through the insertion and combination of the clamping grooves and the protruding ribs, the inclination angle A of the pulley is located in an allowed range, the problem of serious abrasion of the side face of the belt is avoided, the pulley is limited in the central axis direction through the combination of the baffle disc and the annular limiting plate, so that the pulley is firmly and fixedly installed on the pulley shaft, and only one locking bolt is needed to be installed when the pulley is assembled and disassembled, so that the pulley is assembled and disassembled more conveniently.
Description
Technical Field
The utility model relates to the technical field of transmission devices, in particular to a synchronous pulley transmission device.
Background
The synchronous belt wheel is a transmission device commonly used in industry and generally comprises a power device, a driven device, belt wheels, belt wheel shafts and a belt, wherein the power device and the driven device are respectively connected with the belt wheels through the belt wheel shafts, the belt wheels are connected through the belt, and a hole is formed in the axis position of the belt wheels. The mating connection of the pulley shaft and the hole has various characteristics, such as the common single-sided and double-sided equidistant toothed belt annular transmission, synchronous no slip, accurate transmission and the like.
For example, chinese patent publication No. CN201561111U discloses a synchronous pulley transmission device, which comprises a power device, a driven device, pulleys, pulley shafts and belts, wherein the power device and the driven device are respectively connected with the pulleys through the pulley shafts, the pulleys are connected through the belts, a hole is arranged at the axle center position of the pulleys, the pulley shafts are in fit connection with the hole, and the cross sections of the hole and the position and the pulley shafts in the hole are in a D shape. The pulley shaft is made into a D-shaped section, the inner holes of the corresponding synchronous pulleys are matched into a D shape, the two parts are contacted by adopting a plane and an arc surface, and the combination is tight and is not easy to slide. The firm and reliable connection ensures the parallelism of the axes of the pulleys, ensures that the transmission center planes of the pulleys are positioned in the same plane, ensures that the inclination angle A of the pulleys is positioned in an allowable range, and prevents the synchronous belt from being pressed on the check ring due to the deflection of the pulleys, so that the abrasion of the side face of the belt is seriously aggravated, and even the belt is cut off by the check ring.
In the above-mentioned application, the pulley is installed to the pulley shaft through the complex structure of D-shaped groove and D-shaped shaft, when the pulley shaft drives the pulley and rotates, because the cooperation characteristics of D-shaped groove and D-shaped shaft, driving force is concentrated in two ridge positions department of D-shaped groove easily to cause D-shaped groove ridge positions department to form great wearing and tearing after long-term use easily, influence the life of spare part, there is certain use limitation.
Accordingly, there is a need to provide a synchronous pulley transmission that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a synchronous pulley transmission device, which solves the problems that in the prior art, after long-term use, the D-shaped groove edge line position is worn greatly, and the service life of parts is influenced.
In order to achieve the above object, the present utility model solves the above technical problems as follows: the utility model provides a synchronous pulley transmission, includes band pulley and band pulley axle, the central point of band pulley puts and has seted up the central circular slot of grafting adaptation with the band pulley axle end, the draw-in groove has been run through on the side of central circular slot, be fixed with on the end of band pulley axle with the draw-in groove insert the protruding rib of suitable joining in marriage, be fixed with on the arc side of band pulley axle with band pulley one end side paste the annular limiting plate of suitable joining in marriage, threaded hole has been seted up to the end side central point of band pulley axle, threaded hole threaded connection has the locking bolt, be connected with the fender dish of laminating with the band pulley other end side through the locking bolt on the end side of band pulley axle.
As a further scheme of the utility model, the clamping groove is arranged as a two-thirds circular groove, and the convex rib is arranged as a two-thirds convex circular bar matched with the clamping groove.
As a further scheme of the utility model, a plurality of clamping grooves and protruding ribs are arranged, and the clamping grooves and the protruding ribs are distributed in an annular mode.
As a further scheme of the utility model, a first rubber pad is fixedly attached to the side surface of the annular limiting plate, which is close to the belt wheel, and a second rubber pad is fixedly attached to the side surface of the baffle plate, which is close to the belt wheel.
As a further scheme of the utility model, the areas of the first rubber pad and the second rubber pad are respectively equal to the areas of the side surfaces of the annular limiting plate and the baffle disc.
Compared with the prior art, the utility model has the beneficial effects that:
1. the driving force is evenly dispersed through the cooperation of a plurality of draw-in grooves and protruding ribs, the wearing and tearing between band pulley and the band pulley axle when effectively having reduced the band pulley axle and driving the band pulley and rotate, simultaneously a plurality of draw-in grooves and protruding ribs make difficult emergence wearing and tearing between band pulley and the band pulley axle through the cooperation of cambered surface for band pulley and band pulley axle combine inseparabler difficult slip more, improve spare part's life.
2. The baffle plate is fixedly mounted on the pulley shaft through the locking bolt, so that the pulley is limited in the central axis direction through the cooperation of the baffle plate and the annular limiting plate, the pulley is firmly and fixedly mounted on the pulley shaft, the operation of mounting and dismounting a plurality of fasteners is omitted by only mounting one locking bolt when the pulley is mounted and dismounted, the pulley mounting and dismounting efficiency is improved effectively, time and labor are saved, and the follow-up maintenance is facilitated.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of an annular limiting plate according to the present utility model;
FIG. 3 is a perspective view of the overall cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of a partial structure of a threaded bore according to the present utility model;
fig. 5 is a schematic view of the pulley structure of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. an annular limiting plate; 2. a baffle disc; 3. a belt wheel; 4. a locking bolt; 5. a pulley shaft; 6. a first rubber pad; 7. a second rubber pad; 8. a clamping groove; 9. protruding ribs; 10. a threaded hole; 11. a central circular groove.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-5, the utility model provides a synchronous pulley transmission device, which comprises a power device, a driven device, a pulley 3, a pulley shaft 5 and a belt, wherein the power device and the driven device are respectively connected with the pulley 3 through the pulley shaft 5, the pulleys 3 are connected through the belt, a central round groove 11 which is in plug-in fit with the end of the pulley shaft 5 is formed in the central position of the pulley 3, a clamping groove 8 is formed in the side surface of the central round groove 11 in a penetrating manner, a convex rib 9 which is in plug-in fit with the clamping groove 8 is fixed on the end of the pulley shaft 5, an annular limiting plate 1 which is in fit with one end side surface of the pulley 3 is fixed on the arc-shaped side surface of the pulley shaft 5, a baffle disc 2 which is in fit with the other end side surface of the pulley 3 is fixed on the end side surface of the pulley shaft 5, threaded holes 10 are formed in the central position of the end side surface of the pulley shaft 5 and the central position of the baffle disc 2, locking bolts 4 are connected in the threaded holes 10 in a threaded manner, and the baffle disc 2 is fixed on the end side surface of the pulley shaft 5 through the locking bolts 4; the pulley 3 is structurally and fixedly installed, the parallelism of the axes of the pulleys is guaranteed through the insertion fit of the clamping grooves 8 and the protruding ribs 9, the transmission center planes of the pulleys are located in the same plane, the inclination angle A of the pulleys is located in an allowable range, the problem of serious abrasion of the sides of the pulleys is avoided, meanwhile, the baffle disc 2 is fixedly installed on the pulley shaft 5 through the installation of the locking bolts 4 in the threaded holes 10, the limiting on the central axis direction of the pulley 3 is conducted through the cooperation of the baffle disc 2 and the annular limiting plate 1, the pulley 3 is fixedly installed on the pulley shaft 5 firmly, the operation of installing and detaching a plurality of fasteners is omitted when the pulley 3 is detached, the assembly and disassembly of the pulley 3 is more convenient, time and labor are saved, the assembly and disassembly efficiency of the pulley 3 is effectively improved, and subsequent maintenance is facilitated.
Further, as shown in fig. 4 and fig. 5, it is worth specifically explaining that the clamping groove 8 is configured as a two-thirds circular groove, the protruding rib 9 is configured as a two-thirds protruding circular groove adapted to the clamping groove 8, the clamping groove 8 and the protruding rib 9 are both provided with a plurality of clamping grooves 8 and protruding ribs 9 which are all distributed in a ring shape; during specific work, the driving force is evenly dispersed through the cooperation of a plurality of draw-in grooves 8 and protruding ribs 9, the abrasion between the belt pulley 3 and the belt pulley shaft 5 when the belt pulley shaft 5 drives the belt pulley 3 to rotate is effectively reduced, meanwhile, the cooperation of a plurality of draw-in grooves 8 and protruding ribs 9 through cambered surfaces enables abrasion between the belt pulley 3 and the belt pulley shaft 5 to occur difficultly, the belt pulley shaft is combined to be more compact and not easy to slide, and therefore the abrasion between the belt pulley 3 and the belt pulley shaft 5 when the belt pulley shaft 5 drives the belt pulley 3 to rotate is further effectively reduced, and the service life of parts is prolonged.
Further, as shown in fig. 3, it is worth specifically explaining that the side surface of the annular limiting plate 1, which is close to the belt pulley 3, is fixedly provided with a first rubber pad 6 in a fitting manner, and the side surface of the baffle plate 2, which is close to the belt pulley 3, is fixedly provided with a second rubber pad 7 in a fitting manner; during specific work, after locking the locking bolt 4, the pulley 3 is pushed to move in the axial direction of the pulley shaft 5 through the baffle disc 2, so that the first rubber pad 6 and the second rubber pad 7 are extruded to generate elastic deformation, the annular limiting plate 1 and the baffle disc 2 are prevented from wearing and tearing to the side surface of the pulley 3, and meanwhile the limiting firmness of the annular limiting plate 1 and the baffle disc 2 to the pulley 3 is improved, so that the pulley 3 is installed on the pulley shaft 5 more firmly and stably.
Further, as shown in fig. 3, it is worth specifically explaining that the areas of the first rubber pad 6 and the second rubber pad 7 are respectively equal to the areas of the side surfaces of the annular limiting plate 1 and the baffle plate 2; during specific work, the belt wheel 3 can be uniformly extruded and limited on all positions of the side surfaces of the annular limiting plate 1 and the baffle plate 2 through the first rubber pad 6 and the second rubber pad 7 which are arranged to be equal to the side surface areas of the annular limiting plate 1 and the baffle plate 2.
The scheme comprises the following working processes: the pulley axis parallelism is ensured through the insertion fit of the clamping groove 8 and the protruding ribs 9, the transmission center plane of each pulley is located in the same plane, the inclination angle A of each pulley is located in an allowable range, the problem of serious abrasion of the side face of the pulley is avoided, meanwhile, through installing the locking bolt 4 in the threaded hole 10, the baffle plate 2 is fixedly installed on the pulley shaft 5 through the locking bolt 4, therefore, the pulley 3 is pushed to move in the axis direction of the pulley shaft 5 through the baffle plate 2 after the locking bolt 4 is locked, the first rubber pad 6 and the second rubber pad 7 are extruded, the elastic deformation is generated, the annular limiting plate 1 and the baffle plate 2 are increased to limit the pulley 3 while the abrasion of the side face of the pulley 3 is avoided, the pulley 3 is fixedly installed on the pulley shaft 5, only one locking bolt 4 is required to be installed when the pulley shaft 3 is installed or removed, the operation of installing or removing a plurality of fasteners is omitted, the pulley 3 and the pulley shaft 5 is easily connected with the pulley shaft 5 in the direction of the pulley through the matching of the clamping grooves 8 and the protruding ribs 9, the pulley 3 is more tightly contacted with the pulley shaft 5 in the direction of the pulley, and the sliding area of the pulley shaft is not tightly contacted with the pulley shaft 5, and the pulley is more than the pulley shaft is tightly contacted with the pulley shaft 5 in the direction.
To sum up: the parallelism of the axes of the pulleys is ensured through the insertion fit of the clamping grooves 8 and the protruding ribs 9, the transmission center plane of each pulley is positioned in the same plane, the inclination angle A of each pulley is positioned in an allowed range, the problem of serious abrasion of the side face of the belt is avoided, the pulley 3 is limited in the central axis direction through the fit of the baffle disc 2 and the annular limiting plate 1, the pulley 3 is firmly and fixedly installed on the pulley shaft 5, when the pulley 3 is installed and removed, only one locking bolt 4 is needed, the operation of installing and removing a plurality of fasteners is omitted, the pulley 3 is more convenient to install and remove, the efficiency of the pulley 3 is effectively improved, time and labor are saved, the subsequent maintenance is facilitated, the pulley 3 and the pulley shaft 5 are connected more tightly in the rotation direction through the fit of the clamping grooves 8 and the protruding ribs 9, abrasion between the pulley 3 and the pulley shaft 5 is not easy to occur through the fit of the cambered surfaces, the combination is more compact and not sliding, and the service life of parts between the pulley 3 and the pulley shaft 5 is further effectively reduced when the pulley 5 drives the pulley 3 to rotate easily; after the locking bolt 4 is locked, the pulley 3 is pushed to move in the axial direction of the pulley shaft 5 through the baffle disc 2, so that the first rubber pad 6 and the second rubber pad 7 are extruded to generate elastic deformation, the abrasion of the annular limiting plate 1 and the baffle disc 2 to the side surface of the pulley 3 is avoided, and meanwhile, the limiting firmness of the annular limiting plate 1 and the baffle disc 2 to the pulley 3 is improved, so that the pulley 3 is installed on the pulley shaft 5 more firmly and stably; the first rubber pad 6 and the second rubber pad 7 which are equal to the side areas of the annular limiting plate 1 and the baffle disc 2 ensure that the belt wheel 3 can be uniformly extruded and limited at all positions on the side surfaces of the annular limiting plate 1 and the baffle disc 2.
Claims (5)
1. The utility model provides a synchronous pulley transmission, includes band pulley and band pulley axle, its characterized in that, the central point of band pulley puts and has seted up the central circular slot with band pulley axle end grafting adaptation, the draw-in groove has been run through on the side of central circular slot, be fixed with on the end of band pulley axle with the draw-in groove insert the protruding rib of suitable joining in marriage, be fixed with on the arc side of band pulley axle with band pulley one end side paste the annular limiting plate of suitable joining in marriage, the screw hole has been seted up to the end side central point of band pulley axle, threaded hole threaded connection has the lock bolt, be connected with the fender dish of laminating with the band pulley other end side through the lock bolt on the end side of band pulley axle.
2. The synchronous pulley transmission of claim 1, wherein the clamping groove is provided as a two-thirds circular groove and the protruding rib is provided as a two-thirds protruding circular bar that fits into the clamping groove.
3. The synchronous pulley transmission according to claim 2, wherein a plurality of the clamping grooves and the protruding ribs are provided, and a plurality of the clamping grooves and the protruding ribs are distributed in a ring shape.
4. The synchronous pulley transmission device according to claim 1, wherein a first rubber pad is fixedly attached to a side surface of the annular limiting plate, which is close to the pulley, and a second rubber pad is fixedly attached to a side surface of the baffle plate, which is close to the pulley.
5. The synchronous pulley transmission of claim 4, wherein the areas of the first rubber pad and the second rubber pad are respectively equal to the side areas of the annular limiting plate and the baffle disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559234.0U CN220320247U (en) | 2023-06-19 | 2023-06-19 | Synchronous pulley transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559234.0U CN220320247U (en) | 2023-06-19 | 2023-06-19 | Synchronous pulley transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320247U true CN220320247U (en) | 2024-01-09 |
Family
ID=89416075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321559234.0U Active CN220320247U (en) | 2023-06-19 | 2023-06-19 | Synchronous pulley transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320247U (en) |
-
2023
- 2023-06-19 CN CN202321559234.0U patent/CN220320247U/en active Active
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| GR01 | Patent grant |