CN219198051U - Belt pulley transmission assembly structure of shearing machine - Google Patents
Belt pulley transmission assembly structure of shearing machine Download PDFInfo
- Publication number
- CN219198051U CN219198051U CN202223591970.2U CN202223591970U CN219198051U CN 219198051 U CN219198051 U CN 219198051U CN 202223591970 U CN202223591970 U CN 202223591970U CN 219198051 U CN219198051 U CN 219198051U
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- Prior art keywords
- belt pulley
- transmission shaft
- central hole
- pulley
- assembly structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model belongs to the technical field of shearing machines, in particular to a belt pulley transmission assembly structure of a shearing machine, which comprises a belt pulley and a transmission shaft with one end inserted into a central hole of the belt pulley, wherein the central hole of the belt pulley is of a conical structure with the inner diameter gradually increasing inwards along the axial direction of the central hole of the belt pulley, the corresponding end of the transmission shaft is a frustum end corresponding to the central hole structure of the belt pulley, a connecting hole is formed in the end face of the frustum end of the transmission shaft along the axial direction of the frustum end, a top cover is arranged on the outer side of the central hole of the belt pulley, and the top cover is connected to the connecting hole through a fastener. According to the utility model, the assembling contact surface between the belt pulley and the transmission shaft is replaced by conical surface contact from the existing cylindrical surface contact, so that the area of the assembling contact surface is increased, the transmission between the belt pulley and the transmission shaft is more stable and reliable, and meanwhile, the belt pulley and the transmission shaft are axially separated and assembled more conveniently, so that the belt pulley and the transmission shaft are suitable for regular dismounting operation, and the overhaul time and the manual labor are effectively saved.
Description
Technical field:
the utility model belongs to the technical field of shearing machines, and particularly relates to a belt pulley transmission assembly structure of a shearing machine.
The background technology is as follows:
the existing shearing machine needs to be disassembled from the transmission shaft because the working clutch key and the guide copper sleeve in the driven large gear are periodically adjusted and replaced, but cylindrical contact is adopted between the existing belt pulley and the transmission shaft, and the two are difficult to control in assembly and fit, namely, when in overtightening (interference installation), the belt pulley and the transmission shaft run concentrically stably, but are difficult to disassemble and assemble; when too loose (clearance fit), the components are vulnerable due to vibration generated by the fact that the eccentricity is not high and the jumping amount of the rotation of the belt pulley is large.
The utility model comprises the following steps:
the utility model aims to provide a belt pulley transmission assembly structure of a shearing machine, which is stable and reliable in transmission, and is also suitable for frequent disassembly and assembly operations so as to effectively save maintenance time and labor.
The utility model is realized in the following way:
the utility model provides a belt pulley transmission assembly structure of shearing machine, includes the belt pulley and one end inserts the transmission shaft of establishing in belt pulley centre bore department, the centre bore of belt pulley is the toper structure that the internal diameter inwards becomes progressively big along its axial, the corresponding end of transmission shaft is the frustum end corresponding with the centre bore structure of belt pulley, and has seted up the connecting hole along its axial on the frustum end terminal surface of transmission shaft, and the outside of the centre bore of belt pulley is provided with the top cap, and the top cap passes through the fastener to be connected on the connecting hole.
In the pulley transmission assembly structure of the shearing machine, the taper of the center hole of the pulley and the frustum end of the transmission shaft is 1:10-1:5.
In the pulley transmission assembly structure of the shearing machine, the outer wall surface of the frustum end of the transmission shaft is provided with the spline groove, the wall of the central hole of the pulley is provided with the connecting through groove corresponding to the spline groove in position, and a spline is arranged between the spline groove and the connecting through groove.
In the pulley transmission assembly structure of the shearing machine, an excessively tight fit structure is arranged between the frustum end of the transmission shaft and the central hole of the pulley.
In the pulley transmission assembly structure of the shearing machine, the inner edge of the central hole of the pulley is provided with a chamfer, and the chamfer angle is 22.5 degrees plus or minus 2.5 degrees.
Compared with the prior art, the utility model has the outstanding advantages that:
according to the utility model, the assembling contact surface between the belt pulley and the transmission shaft is replaced by conical surface contact from the existing cylindrical surface contact, so that the area of the assembling contact surface is increased, the transmission between the belt pulley and the transmission shaft is more stable and reliable, and meanwhile, the belt pulley and the transmission shaft are axially separated and assembled more conveniently, so that the belt pulley and the transmission shaft are suitable for regular dismounting operation, and the overhaul time and the manual labor are effectively saved.
Description of the drawings:
FIG. 1 is a cross-sectional view of a pulley of the present utility model;
fig. 2 is a structural view of a propeller shaft according to the present utility model.
In the figure: 1. a belt pulley; 2. a central bore; 3. a transmission shaft; 4. a frustum end; 5. a connection hole; 6. spline grooves; 7. the connecting slot is connected.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-2:
the utility model provides a pulley transmission assembly structure of shearing machine, includes belt pulley 1 and one end inserts the transmission shaft 3 of establishing in belt pulley 1 centre bore 2 department, the centre bore 2 of belt pulley 1 is the toper structure that the internal diameter becomes progressively larger along its axial inwards, the corresponding end of transmission shaft 3 is the frustum end 4 corresponding with the centre bore 2 structure of belt pulley 1, and has seted up connecting hole 5 along its axial on the frustum end 4 terminal surface of transmission shaft 3, and the outside of the centre bore 2 of belt pulley 1 is provided with the top cap, and the top cap passes through the fastener and connects on connecting hole 5.
According to the utility model, the assembly contact surface between the belt pulley 1 and the transmission shaft 3 is replaced by conical surface contact from the existing cylindrical surface contact, so that the area of the assembly contact surface is increased, the transmission between the belt pulley 1 and the transmission shaft 3 is more stable and reliable, and meanwhile, the belt pulley 1 and the transmission shaft 3 are axially separated and assembled more conveniently, so that the assembly and disassembly device is suitable for frequent disassembly and assembly operations, and the maintenance time and the manual labor are effectively saved.
Further, the taper of the central hole 2 of the pulley 1 and the frustum end 4 of the transmission shaft 3 is 1:10-1:5, and in this embodiment, the taper of the central hole 2 of the pulley 1 and the frustum end 4 of the transmission shaft 3 is 1:10.
In order to make circumferential transmission between the belt pulley 1 and the transmission shaft 3 stable and reliable, a spline groove 6 is formed on the outer wall surface of the frustum end 4 of the transmission shaft 3, a connecting through groove 7 corresponding to the spline groove 6 in position is formed on the wall of the central hole 2 of the belt pulley 1, and a spline is arranged between the spline groove 6 and the connecting through groove 7.
In order to make the transmission shaft 3 and the belt pulley 1 concentrically assembled, an excessively tight fit structure is arranged between the frustum end 4 of the transmission shaft 3 and the central hole 2 of the belt pulley 1.
In addition, in order to facilitate insertion of the frustum end 4 of the drive shaft 3 into the central bore 2 of the pulley 1, the inner end edge of the central bore 2 of the pulley 1 is chamfered, and the chamfer angle thereof is 22.5 ° ± 2.5 °.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. The utility model provides a belt pulley transmission assembly structure of shearing machine, includes belt pulley (1) and one end inserts transmission shaft (3) of establishing in belt pulley (1) centre bore (2) department, its characterized in that: the utility model discloses a belt pulley, including belt pulley (1), connecting hole (5) have been seted up along its axial on the end face of frustum end (4) of transmission shaft (3), the outside of the central hole (2) of belt pulley (1) is provided with the top cap, and the top cap passes through the fastener to be connected on connecting hole (5) for the toper structure that internal diameter inwards grows gradually along its axial in central hole (2) of belt pulley (1), the corresponding end of transmission shaft (3) is frustum end (4) corresponding with the central hole (2) structure of belt pulley (1).
2. The pulley drive assembly structure for a shear machine of claim 1, wherein: the taper of the central hole (2) of the belt pulley (1) and the taper of the frustum end (4) of the transmission shaft (3) is 1:10-1:5.
3. The pulley drive assembly structure for a shear machine of claim 1, wherein: spline grooves (6) are formed in the outer wall surface of the frustum end (4) of the transmission shaft (3), connecting grooves (7) corresponding to the spline grooves (6) in position are formed in the hole wall of the central hole (2) of the belt pulley (1), and splines are arranged between the spline grooves (6) and the connecting grooves (7).
4. The pulley drive assembly structure for a shear machine of claim 1, wherein: an excessively tight fit structure is arranged between the frustum end (4) of the transmission shaft (3) and the central hole (2) of the belt pulley (1).
5. The pulley drive assembly structure for a shear machine of claim 1, wherein: the inner end edge of the central hole (2) of the belt pulley (1) is provided with a chamfer angle of 22.5 degrees+/-2.5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591970.2U CN219198051U (en) | 2022-12-23 | 2022-12-23 | Belt pulley transmission assembly structure of shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591970.2U CN219198051U (en) | 2022-12-23 | 2022-12-23 | Belt pulley transmission assembly structure of shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219198051U true CN219198051U (en) | 2023-06-16 |
Family
ID=86712833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223591970.2U Active CN219198051U (en) | 2022-12-23 | 2022-12-23 | Belt pulley transmission assembly structure of shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219198051U (en) |
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2022
- 2022-12-23 CN CN202223591970.2U patent/CN219198051U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |