CN213870819U - Friction clutch for railway crane - Google Patents
Friction clutch for railway crane Download PDFInfo
- Publication number
- CN213870819U CN213870819U CN202022812335.7U CN202022812335U CN213870819U CN 213870819 U CN213870819 U CN 213870819U CN 202022812335 U CN202022812335 U CN 202022812335U CN 213870819 U CN213870819 U CN 213870819U
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- friction
- outer hub
- clutch
- steel sheet
- rotating shaft
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Abstract
The utility model discloses a friction clutch for railway crane, including revolving axle and outer hub, the activity of outer hub sets up on the revolving axle, and revolving axle and outer hub set up along the axis symmetry, and outer hub both ends are provided with the recess, are provided with the phase-match friction pulley on the revolving axle in the recess, are provided with a plurality of friction pack of group on the friction pulley, the friction pack outside and outer hub phase-match, the friction pack outside is provided with the adjusting disk, and the friction pulley outer transmission is connected with bevel gear, and bevel gear sets up on the revolving axle. The utility model discloses simple structure, convenient to use can prolong the life of clutch, has effectively solved among the prior art life shorter, difficult processing debugging and easy damage scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of the clutch, concretely relates to friction clutch for railway crane.
Background
A railway track crane is a rail-type crane, which is a mobile crane running on a track laid along the ground and operated by a person in a cab, and is common particularly in a slag and iron slag treatment site, and is mainly used for lifting slag pots.
The common use of railway track cranes is a cone clutch, which works according to the following principle: the principle that the small axial thrust can generate large contact pressure of a conical surface, thereby generating large friction force and forming enough torque. The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by screws, and the output shaft of the clutch is the input shaft of the gearbox. During a rail vehicle trip, the driver may depress or release the clutch pedal as needed to temporarily disengage and progressively engage the engine to the transmission to cut off or transfer power from the engine to the transmission. The conical friction lining of the conventional rotary clutch is easy to damage, short in service time, short in service life, difficult to adjust, large in workload and inconvenient to use; meanwhile, the maintenance of the conical clutch takes labor and time, the conical clutch is difficult to process and debug, the maintenance period is long and reaches 2-4 days, and the slag turning and yield conservation are seriously influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model provides a friction formula clutch for railway crane, simple structure, convenient to use can prolong the life of clutch, has effectively solved among the prior art life shorter, difficult processing debugging and easy damage scheduling problem.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the friction clutch for the railway crane comprises a rotating shaft and an outer hub, wherein the outer hub is movably arranged on the rotating shaft, the rotating shaft and the outer hub are symmetrically arranged along a central axis, grooves are formed in two ends of the outer hub, matched friction wheels are arranged on the rotating shaft in the grooves, a plurality of groups of friction assemblies are arranged on the friction wheels, the outer sides of the friction assemblies are matched with the outer hub, adjusting discs are arranged on the outer sides of the friction assemblies, bevel gears are in transmission connection with the outer sides of the friction wheels, and the bevel gears are arranged on the rotating shaft;
each group of friction assemblies comprises a pair steel sheet and a friction sheet which are coaxially arranged, the pair steel sheet and the friction sheet are arranged at intervals, the pair steel sheet is sequentially provided with a friction area and a heat dissipation area from the center to the outer side, a plurality of circular bulges are arranged on the friction area and the friction sheet, a plurality of ventilation grooves are arranged on the heat dissipation area, the extension lines of the ventilation grooves are tangent to the coaxial circles of the friction sheet and the pair steel sheet, and a plurality of through holes for fixing rivets are arranged on the pair steel sheet.
The utility model has the advantages that: the friction type clutch is characterized in that the outer hub can slide along the rotating shaft, when the friction type clutch is used, the outer hub is located in the middle position, when the clutch acts, the rotating shaft rotates, so that the outer hub is driven to rotate, the outer hub drives the paired steel sheets matched with the outer hub to rotate, under the action of friction force between the paired steel sheets and the friction sheets, the paired steel sheets drive the friction sheets to rotate, the friction sheets drive the friction wheels connected with the friction sheets to rotate, and meanwhile, the friction wheels drive the bevel gears to rotate; under the action of the shifting fork, the outer hub, the friction wheel and the like can move leftwards or rightwards, the dual steel sheets and the friction sheets which are arranged at intervals in the friction assembly can be mutually extruded in the moving process, the friction force between the friction sheets and the protrusions on the dual steel sheets can be increased, the dual steel sheets are not easy to slip, and the ventilation grooves are formed in the dual steel sheets and used for solving the heat dissipation problem in the using process, so that the clutch is prevented from working under the action of overheated high temperature, the heat dissipation is uniform, the clutch is prevented from being damaged by the high temperature, and the service life of the clutch is prolonged; the through holes are used for rivet connection, so that the bearing capacity of the rivet is improved, the rivet can be prevented from falling off, and the rivet is not easy to damage; the clutch is simple in structure, stable in engagement, thorough in separation, capable of generating large friction force, convenient and fast to use and free of manual adjustment, and production and use are prevented from being affected due to damage and the like caused by the clutch frequently.
Further, the friction plate and the friction area are the same in size.
The beneficial effect of adopting the further scheme is that: the same assurance of size two regions can coincide completely, and protruding phase-match and mutual extrusion deformation between the two increase the frictional force between dual steel sheet and the friction disc, improve its reliability when using, and it is convenient and reliable more to use.
Further, the adjusting disc is of a boss structure.
The beneficial effect of adopting the further scheme is that: the lower end of the boss structure is connected with the groove in the outer hub, and the boss structure is used for fastening an internal friction assembly, ensuring the extrusion deformation of the friction plate and the dual steel sheet when the friction plate and the dual steel sheet move to one side and preventing the friction plate and the dual steel sheet from falling off.
Furthermore, the bulge is made of soft metal.
The beneficial effect of adopting the further scheme is that: the bulges of the soft metal support can have better surface roughness, can increase the friction force between the dual steel sheet and the friction plate, and has wear resistance and longer service life.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a friction assembly;
FIG. 3 is a schematic view of dual steel sheets;
FIG. 4 is a schematic view of a friction plate;
wherein, 1, a rotating shaft; 2. an outer hub; 3. dual steel sheets; 4. a friction plate; 5. a friction wheel; 6. an adjusting disk; 7. a bevel gear; 8. a ventilation slot; 9. a through hole; 10. and (4) protruding.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
In an embodiment of the present invention, as shown in fig. 1-4, a friction clutch for a railway crane is provided, which includes a rotating shaft 1 and an outer hub 2, the outer hub 2 is movably disposed on the rotating shaft 1, the rotating shaft 1 and the outer hub 2 are symmetrically disposed along a central axis, two ends of the outer hub 2 are provided with grooves, the rotating shaft 1 in the grooves is provided with a matched friction wheel 5, the friction wheel 5 is provided with a plurality of sets of friction components, the outer side of the friction components is matched with the outer hub 2, the outer side of the friction components is provided with an adjusting disc 6, the outer side of the friction wheel 5 is in transmission connection with a bevel gear 7, and the bevel gear 7 is disposed on the rotating shaft 1; every group friction pack includes dual steel sheet 3 and friction disc 4 of coaxial setting, and dual steel sheet 3 and 4 intervals of friction disc set up, and dual steel sheet 3 is friction district and radiating area from the center to the outside in proper order, is provided with a plurality of circular archs 10 on friction district and the friction disc 4, is provided with a plurality of ventilation grooves 8 on the radiating area, and ventilation grooves 8 extension line is tangent with the coaxial circle of friction disc 4 and dual steel sheet 3, is provided with a plurality of through-holes 9 for the fix with rivet on the dual steel sheet 3. The outer hub 2 can slide along the rotating shaft 1, when the friction type clutch is used, the outer hub 2 is located at the middle position, when the clutch acts, the rotating shaft 1 rotates, so that the outer hub 2 is driven to rotate, the outer hub 2 drives the dual steel sheets 3 matched with the outer hub 2 to rotate, under the action of friction force between the dual steel sheets 3 and the friction plates 4, the dual steel sheets 3 drive the friction plates 4 to rotate, the friction plates 4 drive the friction wheels 5 connected with the friction plates 4 to rotate, and meanwhile, the friction wheels 5 drive the bevel gears 7 to rotate; under the action of the shifting fork, the outer hub 2, the friction wheel 5 and the like can move leftwards or rightwards, the dual steel sheets 3 and the friction sheets 4 which are arranged at intervals in the friction assembly can be mutually extruded in the moving process, the friction force between the friction sheets 4 and the protrusions 10 on the dual steel sheets 3 can be increased, the slippage is not easy to occur, the ventilation grooves 8 are further formed in the dual steel sheets 3, the ventilation grooves 8 are used for solving the heat dissipation problem in the using process, the clutch is prevented from working under the action of overheat high temperature, the heat dissipation is uniform, the clutch is prevented from being damaged by the high temperature, and the service life of the clutch is prolonged; the through hole 9 is used for rivet connection, so that the bearing capacity of the rivet is improved, the rivet can be prevented from falling off, and the rivet is not easy to damage; the clutch is simple in structure, stable in engagement, thorough in separation, capable of generating large friction force, convenient and fast to use and free of manual adjustment, and production and use are prevented from being affected due to damage and the like caused by the clutch frequently.
The friction plate 4 has the same size as the friction area; the same assurance of size two regions can coincide completely, and arch 10 phase-match between the two and mutual extrusion deformation increase the frictional force between dual steel sheet 3 and friction disc 4, improve its reliability when using, use convenient and reliable more. The adjusting disc 6 is of a boss structure; the lower end of the boss structure is connected with the groove in the outer hub 2 and used for fastening the internal friction assembly, so that the friction plate 4 and the dual steel sheet 3 are prevented from falling off due to extrusion deformation when moving to one side. The bulge 10 is made of soft metal; the bulge 10 of the soft metal support can have better surface roughness, can increase the friction force between the dual steel sheet 3 and the friction plate 4, and has the advantages of wear resistance and longer service life.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (4)
1. The friction clutch for the railway crane is characterized by comprising a rotating shaft (1) and an outer hub (2), wherein the outer hub (2) is movably arranged on the rotating shaft (1), the rotating shaft (1) and the outer hub (2) are symmetrically arranged along a central axis, grooves are formed in two ends of the outer hub (2), matched friction wheels (5) are arranged on the rotating shaft (1) in the grooves, a plurality of groups of friction assemblies are arranged on the friction wheels (5), the outer sides of the friction assemblies are matched with the outer hub (2), adjusting discs (6) are arranged on the outer sides of the friction assemblies, bevel gears (7) are in transmission connection with the outer sides of the friction wheels (5), and the bevel gears (7) are arranged on the rotating shaft (1);
every group friction pack includes dual steel sheet (3) and friction disc (4) of coaxial setting, dual steel sheet (3) with friction disc (4) interval sets up, dual steel sheet (3) are friction district and radiating area to the outside from the center in proper order, the friction district with be provided with a plurality of circular archs (10) on friction disc (4), be provided with a plurality of ventilation grooves (8) on the radiating area, ventilation groove (8) extension line with friction disc (4) with the coaxial circle of dual steel sheet (3) is tangent, be provided with a plurality of through-holes (9) for the fix with rivet on dual steel sheet (3).
2. A friction clutch for a railway crane according to claim 1, characterized in that the friction plates (4) are of the same size as the friction area.
3. A friction clutch for a railway crane according to claim 1, characterized in that the adjusting disc (6) is of a boss configuration.
4. A friction clutch for a railway crane according to claim 1, characterized in that said protrusions (10) are made of soft metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812335.7U CN213870819U (en) | 2020-11-27 | 2020-11-27 | Friction clutch for railway crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812335.7U CN213870819U (en) | 2020-11-27 | 2020-11-27 | Friction clutch for railway crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870819U true CN213870819U (en) | 2021-08-03 |
Family
ID=77064972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812335.7U Active CN213870819U (en) | 2020-11-27 | 2020-11-27 | Friction clutch for railway crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213870819U (en) |
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2020
- 2020-11-27 CN CN202022812335.7U patent/CN213870819U/en active Active
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