CN218992250U - Elastic flange taper sleeve belt transmission device - Google Patents
Elastic flange taper sleeve belt transmission device Download PDFInfo
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- CN218992250U CN218992250U CN202221329175.3U CN202221329175U CN218992250U CN 218992250 U CN218992250 U CN 218992250U CN 202221329175 U CN202221329175 U CN 202221329175U CN 218992250 U CN218992250 U CN 218992250U
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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
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Abstract
The technical scheme of the utility model discloses an elastic flange taper sleeve belt transmission device which comprises a transmission shaft, a taper hole belt pulley, an elastic flange taper sleeve, a flat key, a locking device and a fixing device; an elastic flange taper sleeve is embedded between the transmission shaft and the taper hole belt pulley, a flat key is arranged on the transmission shaft, a locking device is arranged on the outer side of the elastic flange taper sleeve, and a fixing device is sequentially connected with the locking device, the elastic flange taper sleeve and the taper hole belt pulley from outside to inside; the end face of the taper hole belt pulley is provided with a threaded hole; the flange surface section, the cylindrical surface section and the conical surface section in the elastic flange taper sleeve are sequentially distributed along the axial direction, a flange surface mounting hole corresponding to the threaded hole is formed in the flange surface section, and the conical surface section is arranged in a taper hole of the taper hole belt pulley; the elastic flange taper sleeve is provided with a long groove and a key groove, and the key groove is matched with the flat key. The locking of the elastic flange taper sleeve and the taper hole belt pulley is realized through the long groove of the elastic flange taper sleeve, the locking device and the like, the load is uniform, the reliability is high, and the installation and the disassembly are simple.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to an elastic flange taper sleeve belt transmission device.
Background
In the traditional mechanical transmission design concept of the corn harvester, the preferred connecting structure of the shaft type and the wheel disc type in belt transmission is to directly process key grooves on the shaft and the wheel, and synchronous rotation of the shaft and the wheel is realized through key connection. Under different rotation speeds and torque transmission conditions, the outer diameter of the wheel and the inner diameter of the hub hole can be changed at the same time, and the wheel needs to be replaced integrally under different conditions, so that the universality is poor. In terms of the difficulty in assembling the wheel and the shaft and the reliability of the transmission torque, if the fit clearance is large, the assembly is easy, but the transmission torque capability is weakened, under heavy load or impact load, the key cutting phenomenon is easy to occur, and if the fit clearance is small or in interference fit, the hard mounting is required by using a beater, the assembly is difficult, and the bearing on the shaft is easy to damage. Patent CN 210240342U discloses a special bellows shaft coupling of vertical machining center, wherein the tapering hole cooperation of flange taper sleeve and flange has 6 angle equipartitions's through-holes on the flange taper sleeve terminal surface, is equipped with cross cutting groove on the minor diameter, strengthens the locking effect, but still has the commonality poor, the easy scheduling problem that appears damaging.
In the existing large belt transmission process, a taper sleeve can be used for connecting a belt pulley and a motor shaft or a rotating shaft, when the taper sleeve is connected with the belt pulley, a flange of the taper sleeve is connected with the belt pulley through bolts, an opening is formed in the taper sleeve, when the flange is connected with the belt pulley through bolts, the opening is reduced, the rotating shaft or the motor shaft is tightly held by the opening, so that tight connection is achieved, but the bolts of the connecting flange and the taper sleeve are easy to loosen and fall off after long-time use or vibration generated by equipment, and potential safety hazards are caused. Patent CN 212868360U discloses a taper sleeve belt pulley convenient to dismouting, through fixing the hexagon socket head cap screw who connects belt pulley and taper sleeve in the protection device, prevent to make hexagon socket head cap screw drop because of the vibrations that long-term high-speed operation produced, but the cover is the lock on the sleeve in the protection device, when equipment high-speed operation for a long time, the cover also becomes flexible and drops easily, hexagon socket head cap screw also drops easily, produce the security problem, and need link up first fixed block and second fixed block through bolt and nut during the dismantlement, constantly precess the nut, make the opening diminish gradually, the clearance grow between taper sleeve and the centre bore of belt pulley, insert the through-hole in with the slender object and strike, with belt pulley and taper sleeve knock out, be convenient for the staff and take off, the operation is troublesome. Therefore, it is necessary to develop an elastic flange taper sleeve belt transmission device which is safe, reliable, convenient to install and detach and applicable to corn harvesters.
Disclosure of Invention
In order to solve the existing technical problems, the utility model provides the belt transmission device with the elastic flange taper sleeve, the installation and locking of the elastic flange taper sleeve and the taper hole belt pulley are realized through the long groove of the elastic flange taper sleeve, the locking device and the like, the load is uniform, the reliability is high, and the installation and the disassembly are simple.
The technical scheme of the utility model is as follows: an elastic flange taper sleeve belt transmission device comprises a transmission shaft, a taper hole belt pulley, an elastic flange taper sleeve, a flat key, a locking device and a fixing device; an elastic flange taper sleeve is embedded between the transmission shaft and the taper hole belt pulley, a flat key is arranged on the transmission shaft, a locking device is arranged on the outer side of the elastic flange taper sleeve, and a fixing device is sequentially connected with the locking device, the elastic flange taper sleeve and the taper hole belt pulley from outside to inside; the end face of the taper hole belt pulley is provided with a threaded hole, and the center of the taper hole belt pulley is provided with a taper hole; the elastic flange taper sleeve comprises a flange surface section, a cylindrical surface section, a conical surface section, a long groove, an inner hole and a key groove; the inner hole is arranged in the middle, and the flange surface section, the cylindrical surface section and the conical surface section are sequentially distributed along the axial direction and are arranged at the periphery of the inner hole; the flange surface section is provided with a flange surface mounting hole and a flange surface section threaded hole, the flange surface mounting hole corresponds to the threaded hole of the taper hole belt pulley, the flange surface section threaded hole corresponds to the end surface of the taper hole belt pulley, and the taper surface section is arranged in the taper hole of the taper hole belt pulley; the elastic flange taper sleeve is provided with an elongated slot which axially penetrates through the flange surface section, the cylindrical surface section and the conical surface section and extends from the outer wall to the inner hole in the radial direction; the keyway sets up the inner wall at flange face section, face of cylinder section and conical surface section, keyway and flat key looks adaptation.
Further, the fixing device is sequentially connected with the locking device, the flange surface mounting hole and the threaded hole from outside to inside.
Further, an outer hole is formed in the outer wall of the flange face section, and the outer hole is symmetrical to the long groove in position.
Further, the threaded holes of the taper hole belt pulley are 3 groups, each group of 2 threaded holes and 3 groups of threaded holes are uniformly distributed along the circumference, and the flange surface section threaded holes are 3 in total and are uniformly distributed along the circumferential direction of the flange surface section.
Further, the conical surface section is in interference fit with the conical hole.
Further, the axial effective length L2 of the taper hole is the same as the axial effective length L1 of the taper section, the taper angle beta of the taper hole is the same as the taper angle alpha of the taper section, and the angle is 1-15 degrees.
Preferably, the cone angles α and β are 8 °. By limiting the angles alpha and beta of L2, L1 and the conical surface, the conical surface section is installed in the conical hole of the conical hole belt pulley in an interference mode, and the flange surface section and the cylindrical surface Duan Lou of the elastic flange taper sleeve are arranged on the outer side of the conical hole belt pulley, so that the installation of the locking device and the fixing device is facilitated.
Further, the minimum included angle between the key groove and the circumferential distribution of the long groove is 20-180 degrees. The installation of the flat key and the key groove and the radial deformation of the elastic flange taper sleeve and the holding of the transmission shaft are not affected by each other by limiting the minimum included angle between the key groove and the circumferential distribution of the long groove.
Further, the locking device is one of an anti-loose locking plate or a spring washer, the fixing device is one of a hexagon head bolt or an inner hexagon screw, and the number of the fixing devices is the same as the number of the threaded holes.
Further, the anti-loosening locking plate is of a rectangular structure, 2 through holes are formed in the anti-loosening locking plate, and the positions of the through holes correspond to the positions of each group of threaded holes; the two corners of the outer side of the locking plate are bent upwards to enable the locking plate to be clung to the fixing device. The corners of the locking plate are bent upwards to enable the locking plate to be clung to any one surface of the hexagon head bolt, so that the function of preventing rotation of the hexagon head bolt is achieved.
When the elastic flange taper sleeve belt transmission device is assembled, the conical surface section of the elastic flange taper sleeve is placed into the taper hole of the taper hole belt pulley, the relative angle between the elastic flange taper sleeve and the taper hole belt pulley is adjusted through rotation, so that a flange surface mounting hole is aligned with a threaded hole on the taper hole belt pulley, a locking device and a fixing device are preassembled, the flange surface mounting hole and the fixing device are mounted on a transmission shaft with a flat key together, the flat key is clamped into a key groove, and the fixing device is alternately and gradually screwed until proper torque is achieved after the taper hole belt pulley reaches a preset position and is well adjusted to be coplanar. After the taper hole belt pulley, the transmission shaft and the elastic flange taper sleeve are installed, a transmission belt is installed between the taper hole belt pulley and the transmission wheel, and finally the transmission belt is tensioned through a tensioning mechanism, so that torque transmission is realized.
When the elastic flange taper sleeve is dismounted, the fixing device and the locking device are dismounted, 3 fixing devices are screwed into the flange face section threaded holes of the elastic flange taper sleeve again, the fixing devices are screwed with force alternately, the fixing devices penetrate through the flange face section threaded holes and then are propped against the end face of the taper hole belt pulley, the elastic flange taper sleeve is axially separated from the taper hole belt pulley under the axial acting force of the fixing devices, the elastic flange taper sleeve is radially separated from the transmission shaft, and finally the elastic flange taper sleeve and the taper hole belt pulley are dismounted from the transmission shaft together.
By adopting the technical scheme, the beneficial effects of the utility model are as follows:
(1) According to the utility model, through the matching of the key groove of the elastic flange taper sleeve and the flat key, the locking of the elastic flange taper sleeve, the taper hole belt pulley and the transmission shaft is realized through the long groove, the fixing device, the locking device and the like, the taper hole belt pulley, the elastic flange taper sleeve and the transmission shaft are in interference fit after locking, the load is uniformly distributed, the impact resistance and the shock resistance are strong under the severe working conditions of heavy load and high vibration frequency, the reliability is high, the shaft shoulder positioning is not needed on the transmission shaft, the axial movement is not easy to occur, the structure is simple, and the cost is low.
(2) The installation and the disassembly are convenient, the elastic flange taper sleeve and the taper hole belt pulley are separated through the cooperation of the fixing device and the threaded hole of the flange surface section, no additional tool is needed, and the operation is simple.
(3) The conical surface centering is realized, the rotation precision is improved, and the conical surface centering is more stable under the working condition of high rotating speed by limiting the axial effective length L2 of the conical hole, the axial effective length L1 of the conical surface section, the conical surface angle beta of the conical hole, the conical surface angle alpha of the conical surface section and the minimum included angle of circumferential distribution of the key groove and the long groove.
(4) The coplanarity of the taper hole belt pulley and the driving wheel is easy to adjust, the service life of the belt is prolonged, the stress born by the flange surface section is unloaded through the outer hole, so that the whole device has strong shock resistance and shock resistance, and the service life of the elastic flange taper sleeve is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of an elastic flange taper sleeve;
FIG. 3 is a schematic view of the structure of a cone pulley;
fig. 4 is a schematic structural view of embodiment 1;
fig. 5 is a schematic structural view of embodiment 2;
fig. 6 is a schematic structural diagram of embodiment 3.
In the figure, a transmission shaft 1, a taper hole belt pulley 2, an elastic flange taper sleeve 3, a flat key 4, a locking device 5, a fixing device 6, a threaded hole 7, a taper hole 8, a flange surface section 9, a cylindrical surface section 10, a conical surface section 11, a long groove 12, an inner hole 13, a key slot 14, a flange surface mounting hole 15, an outer hole 16, a locking plate 17, a spring washer 18, a through hole 19, a hexagon head bolt 20, an inner hexagon screw 21, a transmission belt 22, a transmission wheel 23 and a flange surface section threaded hole 24.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1-4, an elastic flange taper sleeve belt transmission device comprises a transmission shaft 1, a taper hole belt pulley 2, an elastic flange taper sleeve 3, a flat key 4, a locking device 5 and a fixing device 6; an elastic flange taper sleeve 3 is embedded between the transmission shaft 1 and the taper hole belt pulley 2, a flat key 4 is arranged on the transmission shaft 1, a locking device 5 is arranged on the outer side of the elastic flange taper sleeve 3, and a fixing device 6 is sequentially connected with the locking device 5, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 from outside to inside; the end face of the taper hole belt pulley 2 is provided with a threaded hole 7, and the center of the taper hole belt pulley is provided with a taper hole 8; the elastic flange taper sleeve 3 comprises a flange surface section 9, a cylindrical surface section 10, a conical surface section 11, a long groove 12, an inner hole 13 and a key groove 14; the inner hole 13 is arranged in the middle, and the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 are sequentially distributed along the axial direction and are arranged on the periphery of the inner hole 13; the flange surface section 9 is provided with a flange surface mounting hole 15 and a flange surface section threaded hole 24, the flange surface mounting hole 15 corresponds to the threaded hole 7 of the taper hole belt pulley 2, the flange surface section threaded hole 24 corresponds to the end surface of the taper hole belt pulley 2, and the taper surface section 11 is arranged in the taper hole 8 of the taper hole belt pulley 2; the elastic flange taper sleeve 3 is provided with an elongated slot 12, and the elongated slot 12 axially penetrates through the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 and radially extends from the outer wall to the inner hole 13; the key groove 14 is arranged on the inner walls of the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11, and the key groove 14 is matched with the flat key 4.
In the elastic flange taper sleeve belt transmission device of this embodiment 1, an elastic flange taper sleeve 3 is embedded between a transmission shaft 1 and a taper hole belt pulley 2, the taper hole belt pulley 2 and the elastic flange taper sleeve 3 are locked by a fixing device 6, the elastic flange taper sleeve 3 generates radial deformation to tightly hold the transmission shaft 1, and the locking device 5 locks and loosens, so that axial force transmission is realized.
The taper hole 8 of the taper hole belt pulley 2 is a center rotation hole of the taper hole belt pulley 2, and the driving wheel 23 and the taper hole belt pulley 2 (which can be used as a driving wheel or a driven wheel) realize torque transmission through belt transmission.
The fixing device 6 is sequentially connected with the locking device 5, the flange surface mounting hole 15 and the threaded hole 7 from outside to inside.
The outer wall of the flange surface section 9 is provided with an outer hole 16, and the outer hole 16 and the long groove 12 are symmetrical in position. The outer hole 16 can unload the stress to which the flange surface section 9 is subjected, so that the whole device has strong shock resistance and shock resistance.
The threaded holes 7 of the taper hole belt pulley 2 are 3 groups, each group of 2 threaded holes 7 and each group of 3 threaded holes 7 are uniformly distributed along the circumference, the number of the threaded holes 24 of the flange surface section is 3, and the threaded holes are uniformly distributed along the circumferential direction of the flange surface section 9.
The conical surface section 11 is in interference fit with the conical hole 8. The conical surface section 11 in the elastic flange taper sleeve 3 is in interference fit with the taper hole 8 of the taper hole belt pulley 2, so that keyless connection is realized.
The axial effective length L2 of the taper hole 8 is the same as the axial effective length L1 of the taper section 11, the taper angle beta of the taper hole 8 is the same as the taper angle alpha of the taper section 11, and the angle is 8 degrees.
The keyway 14 is at a minimum angle of 90 ° to the circumferential distribution of the slot 12.
The locking device 5 is a locking piece 17.
The fixing devices 6 are hexagon head bolts 20, and the number of the fixing devices 6 is the same as that of the threaded holes 7.
The anti-loosening locking plate 17 is of a rectangular structure, 2 through holes 19 are formed in the anti-loosening locking plate 17, and the through holes 19 correspond to the positions of each group of threaded holes 7; the two corners of the outer side of the locking piece 17 are bent upward so as to be tightly attached to the hexagon head bolt 20.
When the elastic flange taper sleeve belt transmission device is assembled, the conical surface section 11 of the elastic flange taper sleeve 3 is placed into the taper hole 8 of the taper hole belt pulley 2, the relative angle between the elastic flange taper sleeve 3 and the taper hole belt pulley 2 is adjusted through rotation, so that the flange surface mounting hole 15 is aligned with the threaded hole 7 on the taper hole belt pulley 2, the locking plate 17 and the hexagon head bolt 20 are preassembled, and then the flange surface mounting hole and the taper hole belt pulley are mounted on the transmission shaft 1 provided with the flat key 4 together, the flat key 4 is clamped into the key groove 14, and after the taper hole belt pulley 2 reaches a preset position and is well adjusted to be coplanar, the hexagon head bolt 20 is alternately and gradually screwed until proper torque is achieved. After the taper hole belt pulley 2, the transmission shaft 1 and the elastic flange taper sleeve 3 are installed, a transmission belt 22 is installed between the taper hole belt pulley 2 and the transmission wheel 23, and finally the transmission belt 22 is tensioned through a tensioning mechanism, so that torque transmission is realized. The corners of the locking plate 17 are bent upwards to be clung to any one surface of the hexagonal head bolt 20, so as to achieve the function of preventing the hexagonal head bolt 20 from rotating.
When the elastic flange taper sleeve 3 is detached from the taper hole pulley 2 under the axial acting force of the hexagonal head bolt 20, the hexagonal head bolt 20 and the anti-loose locking piece 17 are detached, 3 hexagonal head bolts 20 are screwed into the flange section threaded holes 24 of the elastic flange taper sleeve 3 again, the hexagonal head bolts 20 are alternately screwed with force, the hexagonal head bolts 20 penetrate through the flange section threaded holes 24 and then tightly prop against the end face of the taper hole pulley 2, the elastic flange taper sleeve 3 and the taper hole pulley 2 are axially detached under the axial acting force of the hexagonal head bolts 20, the elastic flange taper sleeve 3 and the transmission shaft 1 are radially detached, and finally the elastic flange taper sleeve 3 and the taper hole pulley 2 are detached from the transmission shaft 1 together.
Example 2
Referring to fig. 1-3 and 5, an elastic flange taper sleeve belt transmission device comprises a transmission shaft 1, a taper hole belt pulley 2, an elastic flange taper sleeve 3, a flat key 4, a locking device 5 and a fixing device 6; an elastic flange taper sleeve 3 is embedded between the transmission shaft 1 and the taper hole belt pulley 2, a flat key 4 is arranged on the transmission shaft 1, a locking device 5 is arranged on the outer side of the elastic flange taper sleeve 3, and a fixing device 6 is sequentially connected with the locking device 5, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 from outside to inside; the end face of the taper hole belt pulley 2 is provided with a threaded hole 7, and the center of the taper hole belt pulley is provided with a taper hole 8; the elastic flange taper sleeve 3 comprises a flange surface section 9, a cylindrical surface section 10, a conical surface section 11, a long groove 12, an inner hole 13 and a key groove 14; the inner hole 13 is arranged in the middle, and the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 are sequentially distributed along the axial direction and are arranged on the periphery of the inner hole 13; the flange surface section 9 is provided with a flange surface mounting hole 15 and a flange surface section threaded hole 24, the flange surface mounting hole 15 corresponds to the threaded hole 7 of the taper hole belt pulley 2, the flange surface section threaded hole 24 corresponds to the end surface of the taper hole belt pulley 2, and the taper surface section 11 is arranged in the taper hole 8 of the taper hole belt pulley 2; the elastic flange taper sleeve 3 is provided with an elongated slot 12, and the elongated slot 12 axially penetrates through the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 and radially extends from the outer wall to the inner hole 13; the key groove 14 is arranged on the inner walls of the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11, and the key groove 14 is matched with the flat key 4.
The fixing device 6 is sequentially connected with the locking device 5, the flange surface mounting hole 15 and the threaded hole 7 from outside to inside.
The outer wall of the flange surface section 9 is provided with an outer hole 16, and the outer hole 16 and the long groove 12 are symmetrical in position.
The threaded holes 7 of the taper hole belt pulley 2 are 3 groups, each group of 2 threaded holes 7 and each group of 3 threaded holes 7 are uniformly distributed along the circumference, the number of the threaded holes 24 of the flange surface section is 3, and the threaded holes are uniformly distributed along the circumferential direction of the flange surface section 9.
The conical surface section 11 is in interference fit with the conical hole 8.
The axial effective length L2 of the taper hole 8 is the same as the axial effective length L1 of the taper section 11, the taper angle beta of the taper hole 8 is the same as the taper angle alpha of the taper section 11, and the angle is 8 degrees.
The keyway 14 is at a minimum angle of 120 ° to the circumferential distribution of the slot 12.
The locking device 5 is a spring washer 18.
The fixing devices 6 are hexagon head bolts 20, and the number of the fixing devices 6 is the same as that of the threaded holes 7. When the elastic flange taper sleeve belt transmission device is assembled, the conical surface section 11 of the elastic flange taper sleeve 3 is placed into the taper hole 8 of the taper hole belt pulley 2, the relative angle between the elastic flange taper sleeve 3 and the taper hole belt pulley 2 is adjusted through rotation, so that the flange surface mounting hole 15 is aligned with the threaded hole 7 on the taper hole belt pulley 2, the spring washer 18 and the hexagon head bolt 20 are preloaded, then the flange surface mounting hole 15 and the hexagon head bolt are mounted on the transmission shaft 1 provided with the flat key 4 together, the flat key 4 is clamped into the key groove 14, and after the taper hole belt pulley 2 reaches a preset position and is adjusted to be coplanar, the hexagon head bolt 20 is alternately and gradually screwed until proper torque is achieved. After the taper hole belt pulley 2, the transmission shaft 1 and the elastic flange taper sleeve 3 are installed, a transmission belt 22 is installed between the taper hole belt pulley 2 and the transmission wheel 23, and finally the transmission belt 22 is tensioned through a tensioning mechanism, so that torque transmission is realized.
When the elastic flange taper sleeve 3 is dismounted, the hexagonal head bolts 20 and the spring washers 18 are dismounted, 3 hexagonal head bolts 20 are screwed into the flange section threaded holes 24 of the elastic flange taper sleeve 3 again, the hexagonal head bolts 20 are alternately screwed with force, the hexagonal head bolts 20 penetrate through the flange section threaded holes 24 and then are tightly propped against the end face of the taper hole belt pulley 2, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 are axially separated under the axial acting force of the hexagonal head bolts 20, the elastic flange taper sleeve 3 and the transmission shaft 1 are radially separated, and finally, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 are dismounted from the transmission shaft 1 together.
Example 3
Referring to fig. 1-3 and 6, an elastic flange taper sleeve belt transmission device comprises a transmission shaft 1, a taper hole belt pulley 2, an elastic flange taper sleeve 3, a flat key 4, a locking device 5 and a fixing device 6; an elastic flange taper sleeve 3 is embedded between the transmission shaft 1 and the taper hole belt pulley 2, a flat key 4 is arranged on the transmission shaft 1, a locking device 5 is arranged on the outer side of the elastic flange taper sleeve 3, and a fixing device 6 is sequentially connected with the locking device 5, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 from outside to inside; the end face of the taper hole belt pulley 2 is provided with a threaded hole 7, and the center of the taper hole belt pulley is provided with a taper hole 8; the elastic flange taper sleeve 3 comprises a flange surface section 9, a cylindrical surface section 10, a conical surface section 11, a long groove 12, an inner hole 13 and a key groove 14; the inner hole 13 is arranged in the middle, and the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 are sequentially distributed along the axial direction and are arranged on the periphery of the inner hole 13; the flange surface section 9 is provided with a flange surface mounting hole 15 and a flange surface section threaded hole 24, the flange surface mounting hole 15 corresponds to the threaded hole 7 of the taper hole belt pulley 2, the flange surface section threaded hole 24 corresponds to the end surface of the taper hole belt pulley 2, and the taper surface section 11 is arranged in the taper hole 8 of the taper hole belt pulley 2; the elastic flange taper sleeve 3 is provided with an elongated slot 12, and the elongated slot 12 axially penetrates through the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11 and radially extends from the outer wall to the inner hole 13; the key groove 14 is arranged on the inner walls of the flange surface section 9, the cylindrical surface section 10 and the conical surface section 11, and the key groove 14 is matched with the flat key 4.
The fixing device 6 is sequentially connected with the locking device 5, the flange surface mounting hole 15 and the threaded hole 7 from outside to inside.
The outer wall of the flange surface section 9 is provided with an outer hole 16, and the outer hole 16 and the long groove 12 are symmetrical in position.
The threaded holes 7 of the taper hole belt pulley 2 are 3 groups, each group of 2 threaded holes 7 and each group of 3 threaded holes 7 are uniformly distributed along the circumference, the number of the threaded holes 24 of the flange surface section is 3, and the threaded holes are uniformly distributed along the circumferential direction of the flange surface section 9.
The conical surface section 11 is in interference fit with the conical hole 8.
The axial effective length L2 of the taper hole 8 is the same as the axial effective length L1 of the taper section 11, the taper angle beta of the taper hole 8 is the same as the taper angle alpha of the taper section 11, and the angle is 8 degrees.
The keyway 14 is at a minimum 180 ° angle from the circumferential distribution of the slot 12.
The locking device 5 is a spring washer 18.
The fixing devices 6 are socket head cap screws 21, and the number of the fixing devices 6 is the same as that of the threaded holes 7.
When the elastic flange taper sleeve belt transmission device is assembled, the conical surface section 11 of the elastic flange taper sleeve 3 is placed into the taper hole 8 of the taper hole belt pulley 2, the relative angle between the elastic flange taper sleeve 3 and the taper hole belt pulley 2 is adjusted through rotation, so that the flange surface mounting hole 15 is aligned with the threaded hole 7 on the taper hole belt pulley 2, the spring washer 18 and the inner hexagon screw 21 are preloaded, then the flange surface mounting hole 15 and the taper hole belt pulley are mounted on the transmission shaft 1 provided with the flat key 4 together, the flat key 4 is clamped into the key groove 14, and after the taper hole belt pulley 2 reaches a preset position and is adjusted to be in the same plane, the inner hexagon screw 21 is alternately and gradually screwed until proper torque is achieved. After the taper hole belt pulley 2, the transmission shaft 1 and the elastic flange taper sleeve 3 are installed, a transmission belt 22 is installed between the taper hole belt pulley 2 and the transmission wheel 23, and finally the transmission belt 22 is tensioned through a tensioning mechanism, so that torque transmission is realized.
When the elastic flange taper sleeve 3 is dismounted, the inner hexagon screws 21 and the spring washers 18 are dismounted, 3 inner hexagon screws 21 are screwed into the flange section threaded holes 24 of the elastic flange taper sleeve 3 again, the inner hexagon screws 21 are alternately screwed with force, the inner hexagon screws 21 penetrate through the flange section threaded holes 24 and then are tightly propped against the end face of the taper hole belt pulley 2, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 are axially separated under the axial acting force of the inner hexagon screws 21, the elastic flange taper sleeve 3 and the transmission shaft 1 are radially separated, and finally, the elastic flange taper sleeve 3 and the taper hole belt pulley 2 are dismounted from the transmission shaft 1 together.
Claims (9)
1. An elastic flange taper sleeve belt transmission device is characterized in that: comprises a transmission shaft (1), a taper hole belt pulley (2), an elastic flange taper sleeve (3), a flat key (4), a locking device (5) and a fixing device (6); an elastic flange taper sleeve (3) is embedded between the transmission shaft (1) and the taper hole belt pulley (2), a flat key (4) is arranged on the transmission shaft (1), a locking device (5) is arranged on the outer side of the elastic flange taper sleeve (3), and a fixing device (6) is sequentially connected with the locking device (5), the elastic flange taper sleeve (3) and the taper hole belt pulley (2) from outside to inside; the end face of the taper hole belt pulley (2) is provided with a threaded hole (7), and the center of the taper hole belt pulley is provided with a taper hole (8); the elastic flange taper sleeve (3) comprises a flange surface section (9), a cylindrical surface section (10), a conical surface section (11), a long groove (12), an inner hole (13) and a key groove (14); the inner hole (13) is arranged in the middle, and the flange surface section (9), the cylindrical surface section (10) and the conical surface section (11) are sequentially distributed along the axial direction and are arranged at the periphery of the inner hole (13); a flange surface mounting hole (15) and a flange surface section threaded hole (24) are formed in the flange surface section (9), the flange surface mounting hole (15) corresponds to the threaded hole (7) of the taper hole belt pulley (2), the flange surface section threaded hole (24) corresponds to the end face of the taper hole belt pulley (2), and the conical surface section (11) is arranged in the taper hole (8) of the taper hole belt pulley (2); the elastic flange taper sleeve (3) is provided with a long groove (12), and the long groove (12) axially penetrates through the flange surface section (9), the cylindrical surface section (10) and the conical surface section (11) and radially extends from the outer wall to the inner hole (13); the key groove (14) is arranged on the inner walls of the flange surface section (9), the cylindrical surface section (10) and the conical surface section (11), and the key groove (14) is matched with the flat key (4).
2. An elastomeric flanged cone sleeve belt drive according to claim 1, wherein: the fixing device (6) is sequentially connected with the locking device (5), the flange surface mounting hole (15) and the threaded hole (7) from outside to inside.
3. An elastomeric flanged cone sleeve belt drive according to claim 1, wherein: an outer hole (16) is formed in the outer wall of the flange surface section (9), and the outer hole (16) is symmetrical to the long groove (12).
4. An elastomeric flanged cone sleeve belt drive according to claim 1, wherein: the threaded holes (7) of the taper hole belt pulley (2) are uniformly distributed along the circumference, the number of the threaded holes (7) of the flange surface section is 3, and the threaded holes (24) of the flange surface section are uniformly distributed along the circumferential direction of the flange surface section (9).
5. An elastomeric flanged cone sleeve belt drive according to claim 1, wherein: the conical surface section (11) is in interference fit with the conical hole (8); the axial effective length L2 of the taper hole (8) is the same as the axial effective length L1 of the taper section (11), and the taper angle beta of the taper hole (8) is the same as the taper angle alpha of the taper section (11) and is 1-15 degrees.
6. An elastomeric flanged taper sleeve belt drive according to claim 5, wherein: the cone angles alpha and beta are 8 deg..
7. An elastomeric flanged cone sleeve belt drive according to claim 1, wherein: the minimum included angle between the key groove (14) and the circumference distribution of the long groove (12) is 20-180 degrees.
8. An elastic flange taper sleeve belt drive according to claim 1 or 2, characterized in that: the locking device (5) is one of an anti-loosening locking plate (17) or a spring washer (18); the fixing device (6) is one of a hexagon head bolt (20) and an internal hexagon screw (21), and the number of the fixing devices (6) is the same as the number of the threaded holes (7).
9. An elastomeric flanged taper sleeve belt drive according to claim 8, wherein: the anti-loosening locking plate (17) is of a rectangular structure, 2 through holes (19) are formed in the anti-loosening locking plate (17), and the through holes (19) correspond to the positions of each group of threaded holes (7); the two corners of the outer side of the anti-loose locking plate (17) are bent upwards to be clung to the fixing device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329175.3U CN218992250U (en) | 2022-05-30 | 2022-05-30 | Elastic flange taper sleeve belt transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221329175.3U CN218992250U (en) | 2022-05-30 | 2022-05-30 | Elastic flange taper sleeve belt transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218992250U true CN218992250U (en) | 2023-05-09 |
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ID=86190710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221329175.3U Active CN218992250U (en) | 2022-05-30 | 2022-05-30 | Elastic flange taper sleeve belt transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218992250U (en) |
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2022
- 2022-05-30 CN CN202221329175.3U patent/CN218992250U/en active Active
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