CN219035292U - Main transmission crankshaft of improved cooling bed steel feeding device - Google Patents
Main transmission crankshaft of improved cooling bed steel feeding device Download PDFInfo
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- CN219035292U CN219035292U CN202220715242.9U CN202220715242U CN219035292U CN 219035292 U CN219035292 U CN 219035292U CN 202220715242 U CN202220715242 U CN 202220715242U CN 219035292 U CN219035292 U CN 219035292U
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- crankshaft
- cooling bed
- feeding device
- main transmission
- connecting shaft
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Abstract
The utility model discloses a main transmission crankshaft of an improved cooling bed steel feeding device, which comprises a crankshaft shaft rod, wherein one end of the crankshaft shaft rod is fixedly provided with an eccentric crankshaft disc, one side of the eccentric crankshaft disc is fixedly provided with a connecting shaft, the connecting part of the connecting shaft and the eccentric crankshaft disc is fixedly provided with an inner spline tooth sleeve, the outer side of the inner spline tooth sleeve is sleeved with an outer spline tooth sleeve.
Description
Technical Field
The utility model relates to the technical field of transmission crankshafts, in particular to a main transmission crankshaft of an improved cooling bed steel feeding device.
Background
The cooling bed is a working table for effectively cooling rolled products (deformed steel bars, round steel bars, steel pipes and the like) in the metallurgical steel rolling industry. The cooling bed consists of a mechanical transmission system, a water cooling system, a cooling bed working table surface, a fixed bracket and the like. The cooling bed mainly comprises a tooth-pulling type cooling bed, a rack stepping cooling bed, a shifting claw cooling bed, a carrying chain cooling bed, a rolling disc cooling bed and the like. The cooling bed stiffening device needs to use a transmission crankshaft to realize driving work, and the transmission crankshaft is used as an important part in the transmission process, and has wide application and great effect.
The output end of the speed reducer of the conventional cold bed steel feeding device is a crankshaft and a rolling bearing, the crankshaft end is composed of an inner spline tooth sleeve and an outer spline tooth sleeve, the outer spline tooth sleeve is in key connection with the crankshaft, the requirements on machining precision and mounting precision are high, the tooth width is narrow, the bearing capacity da Yi is worn, the retainer ring is easy to loosen, and the maintenance rate is high, so that the normal production is influenced.
Disclosure of Invention
The utility model aims to provide an improved main transmission crankshaft of a cooling bed steel feeding device, so as to solve the problems of high machining precision, easiness in abrasion, short service life, easiness in loosening of a retainer ring and high maintenance rate of the conventional cooling bed speed reducer transmission crankshaft provided in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel device main drive bent axle on improved generation cooling bed, includes the bent axle axostylus axostyle, the fixed eccentric crank disk that is provided with of one end of bent axle axostylus axostyle, the fixed connecting axle that is provided with in one side of eccentric crank disk, the connecting axle is fixed with in the junction of eccentric crank disk and is provided with in the internal spline tooth cover, the outside cover of interior spline tooth cover is equipped with outside spline tooth cover, the middle part threaded connection of connecting axle has first thin tooth nut and the thin tooth nut of second, the one end fixed mounting of connecting axle has the cotter pin, the cover is equipped with locking elastic ring between first thin tooth nut and the thin tooth nut of second, and this transmission bent axle structural design is simple compact, and the assembly is used convenient high-efficient through outer spline tooth cover and interior spline tooth cover cooperation use to lock through two thin tooth nuts, thereby has promoted the holistic structural strength and the wearability of transmission bent axle, and life is longer, has add the cotter pin, can be further prevent the loose phenomenon of retaining ring in the use, has reduced the maintenance rate, uses more safe and reliable, has higher practical value.
Preferably, the connecting shaft comprises a chromium alloy coating and a carbon steel core, wherein the chromium alloy coating is fixedly arranged on the outer side of the carbon steel core, and the connecting shaft is high in structural strength, safe and reliable.
Preferably, the outer side of the chromium alloy plating layer is fixedly provided with a wear-resistant layer, so that the whole wear-resistant coating is excellent in wear resistance and long in service life.
Preferably, an elastic notch is formed in one side of the anti-loosening elastic ring, elasticity of the elastic ring can be fully utilized, the nut is prevented from loosening and falling off, the tightness of external spline tooth sleeve connection can be improved, and loosening is not easy to occur.
Preferably, the connecting shaft is sleeved with the anti-loose check ring at the connecting position of the inner spline tooth sleeve, so that the tightness of the connection of the outer spline tooth sleeve can be improved, the looseness is not easy, the maintenance rate is reduced, and the use is safer and more reliable.
Compared with the prior art, the utility model has the beneficial effects that: this transmission bent axle structural design is simple compact, and the assembly is used convenient high-efficient, directly uses through external spline tooth cover and internal spline tooth cover cooperation on the bent axle to lock through two thin tooth nuts, thereby promoted holistic structural strength and the wear resistance of transmission bent axle, life is longer, has add the cotter, can be further prevent the loose phenomenon that drops of retaining ring in the use, has reduced the maintenance rate, uses safe and reliable more, has higher practical value.
Drawings
FIG. 1 is a front cross-sectional view of a driven crankshaft of the present utility model;
FIG. 2 is a cross-sectional view of a crankshaft shaft of the present utility model;
FIG. 3 is a schematic structural view of the anti-loosening elastic ring of the present utility model;
fig. 4 is a side cross-sectional view of the connecting shaft of the present utility model.
In the figure: 1. a crankshaft shaft lever; 2. an eccentric crank disc; 3. an external flower tooth-care sleeve; 4. an internal spline tooth cover; 5. a locking retainer ring; 6. a first fine tooth nut; 7. an anti-loose elastic ring; 8. a connecting shaft; 9. a second fine tooth nut; 10. a cotter pin; 11. an elastic notch; 12. a wear-resistant layer; 13. a carbon steel core; 14. and (3) chromium alloy plating.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, the utility model provides a main transmission crankshaft of an improved cold bed steel feeding device, which comprises a crankshaft shaft rod 1, wherein one end of the crankshaft shaft rod 1 is fixedly provided with an eccentric crankshaft disc 2, one side of the eccentric crankshaft disc 2 is fixedly provided with a connecting shaft 8, the connecting part of the connecting shaft 8 and the eccentric crankshaft disc 2 is fixedly provided with an inner spline tooth sleeve 4, the outer side of the inner spline tooth sleeve 4 is sleeved with an outer spline tooth sleeve 3, the middle part of the connecting shaft 8 is in threaded connection with a first fine tooth nut 6 and a second fine tooth nut 9, one end of the connecting shaft 8 is fixedly provided with a cotter pin 10, a locking elastic ring 7 is sleeved between the first fine tooth nut 6 and the second fine tooth nut 9, and the locking elastic ring is directly matched with the inner spline tooth sleeve on the crankshaft.
The connecting shaft 8 comprises a chromium alloy coating 14 and a carbon steel core 13, the chromium alloy coating 14 is fixedly arranged on the outer side of the carbon steel core 13, a wear-resistant layer 12 is fixedly arranged on the outer side of the chromium alloy coating 14, an elastic notch 11 is formed in one side of the anti-loose elastic ring 7, an anti-loose check ring 5 is sleeved at the joint of the connecting shaft 8 and the inner spline sleeve 4, the structural design is simple and compact, the assembly is convenient and efficient to use, the overall structural strength and wear resistance of a transmission crankshaft are improved, and the service life is longer.
When the embodiment of the application is used, the following steps are adopted: the external spline tooth sleeve 3 is directly sleeved on the surface of the internal spline tooth sleeve 4, after the anti-loose retainer ring 5 is sleeved, the first fine tooth nut 6, the anti-loose elastic ring 7 and the second fine tooth nut 9 are sequentially sleeved for locking, the external spline tooth sleeve and the internal spline tooth sleeve are directly matched on the crankshaft for use, the structural design is simple and compact, the assembly and the use are convenient and efficient, the overall structural strength and the wear resistance of the transmission crankshaft are improved, the service life is longer, the locking is carried out through the double fine tooth nuts, the cotter pin 10 is additionally arranged, the phenomenon that the anti-loose retainer ring 5 is loose and falls off in the use process can be further prevented, the maintenance rate is reduced, the use is safer and more reliable, and the practical value is higher.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. Main transmission crankshaft of improved cooling bed steel feeding device comprises a crankshaft shaft lever (1), and is characterized in that: the novel anti-loosening crankshaft comprises a crankshaft shaft rod (1), and is characterized in that an eccentric crankshaft disc (2) is fixedly arranged at one end of the crankshaft shaft rod (1), a connecting shaft (8) is fixedly arranged at one side of the eccentric crankshaft disc (2), an inner spline tooth sleeve (4) is fixedly arranged at the connecting position of the connecting shaft (8) and the eccentric crankshaft disc (2), an outer spline tooth sleeve (3) is sleeved on the outer side of the inner spline tooth sleeve (4), a first fine tooth nut (6) and a second fine tooth nut (9) are connected with the middle thread of the connecting shaft (8), a cotter pin (10) is fixedly arranged at one end of the connecting shaft (8), and an anti-loosening elastic ring (7) is sleeved between the first fine tooth nut (6) and the second fine tooth nut (9).
2. The improved cooling bed steel feeding device main transmission crankshaft according to claim 1, wherein: the connecting shaft (8) comprises a chromium alloy coating (14) and a carbon steel core (13), wherein the chromium alloy coating (14) is fixedly arranged on the outer side of the carbon steel core (13).
3. The improved cooling bed steel feeding device main transmission crankshaft according to claim 2, wherein: the outer side of the chromium alloy plating layer (14) is fixedly provided with a wear-resistant layer (12).
4. The improved cooling bed steel feeding device main transmission crankshaft according to claim 1, wherein: an elastic notch (11) is formed in one side of the anti-loose elastic ring (7).
5. The improved cooling bed steel feeding device main transmission crankshaft according to claim 1, wherein: the connection part of the connecting shaft (8) and the internal spline sleeve (4) is sleeved with a check ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220715242.9U CN219035292U (en) | 2022-03-30 | 2022-03-30 | Main transmission crankshaft of improved cooling bed steel feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220715242.9U CN219035292U (en) | 2022-03-30 | 2022-03-30 | Main transmission crankshaft of improved cooling bed steel feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035292U true CN219035292U (en) | 2023-05-16 |
Family
ID=86292902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220715242.9U Active CN219035292U (en) | 2022-03-30 | 2022-03-30 | Main transmission crankshaft of improved cooling bed steel feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035292U (en) |
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2022
- 2022-03-30 CN CN202220715242.9U patent/CN219035292U/en active Active
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