CN215861246U - Double-protection anti-loosening device for trolley wheels of circular cooler - Google Patents

Abstract

The utility model discloses a double-protection anti-loosening device for a trolley wheel of a circular cooler, which comprises a trolley wheel and a trolley axle, wherein the trolley axle is connected in the trolley wheel through a bearing, the double-protection anti-loosening device also comprises a stop washer, a locking nut and a locking end cover, the trolley wheel and the bearing are fixed through the stop washer and the locking nut, the locking end cover is connected with the locking nut through an L-shaped positioning clamp, the L-shaped positioning clamp is adopted to be enhanced by dozens of times compared with the stop washer, the double-protection anti-loosening device has the main anti-loosening and fixing effects in the process of preventing the locking nut from rotating, not deforming and breaking, when two fixing bolts of a shaft end cover plate are loosened, the L-shaped positioning clamp has failure risks, the originally designed stop washer positioning claw can also play the role of fixing and loosening, the trolley wheel can not fall immediately when any one fixing bolt is loosened, and in addition, the two fixing bolts also increase the anti-loosening pre-tightening force of the trolley wheel.

Description

Double-protection anti-loosening device for trolley wheels of circular cooler

Technical Field

The utility model relates to the technical field of equipment in the metallurgical industry, in particular to a double-protection anti-loosening device for trolley wheels of a circular cooler.

Background

At present, the locking mode of the wheel bearing of the circular cooler is generally adopted to lock a locknut and a lock washer; the most improvement to lock washer and lock nut of current patent, the not enough of prior art existence:

1. the existing locknut and the locking washer have the anti-loosening thickness which is generally about 0.15-0.3mm (the installation and the disassembly are difficult due to overlarge thickness), when a trolley wheel is extruded outwards when the axial force is large, the locknut generates autorotation, the locking washer is easy to deform and lose efficacy, and the trolley wheel falls off;

2. the locking washer and the locking nut are improved, the rotation direction of the locking nut is consistent with the traveling direction of a wheel, the wheel shaft is divided into an inner ring and an outer ring which are reversely threaded, mixed use is easy to cause, the time for integrally replacing the wheel shaft is long, reconstruction and implementation are difficult, some reconstruction methods for integrally preventing looseness are performed, production constraints exist, the reconstruction time is long, the reconstruction can not be completed in one-time maintenance, when size change is involved, a trolley needs to be integrally replaced, all reconstruction is completed, even more than one year is needed, spare part cost is increased, and equipment accident risk continues;

based on the above, the double-protection anti-loosening device for the trolley wheels of the circular cooler is designed, can be transformed on line, does not need to change the equipment body, performs secondary anti-loosening measures on the trolley wheel bearings of the circular cooler, is double-protected, can be rapidly implemented and completed, has strong operability, saves the equipment cost, rapidly completes the transformation of the equipment, effectively reduces the shutdown probability of the equipment, ensures stable production, and ensures stable production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-protection anti-loosening device for a trolley wheel of a circular cooler, which solves the problems mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: the double-protection anti-loosening device for the trolley wheels of the ring cooling machine comprises wheels and a trolley axle, wherein the trolley axle is connected into the wheels through a bearing, the double-protection anti-loosening device further comprises a stop washer, a locking nut and a locking end cover, the wheels and the bearing are fixed through the stop washer and the locking nut, and the locking end cover is connected with the locking nut through an L-shaped positioning clamp.

Preferably, in the double-protection anti-loosening device for the trolley wheel of the ring cooling machine, the middle part of the locking end cover is provided with two cover plate fixing bolts, the locking end cover is connected to the end surface of the trolley axle through the cover plate fixing bolts, and the inner side surface of the locking end cover is abutted against the locking nut.

Preferably, among the cold board wheel duplicate protection of above-mentioned ring anti-loosening device, the periphery wall of locking end cover is opened has a plurality of apron trench, lock nut's periphery wall is opened has a plurality of lock nut trench, L type locator card connect in between apron trench and the lock nut trench.

Preferably, among the cold board wheel duplicate protection of above-mentioned ring anti-loosening device, it has the bolt hole to open on the apron trench, L type locator card surface is opened there is the checkpost mounting hole, be connected through the checkpost bolt between checkpost mounting hole and the bolt hole.

Preferably, in the double-protection anti-loosening device for the trolley wheel of the ring cooling machine, the locking end cover is made of a Q235B steel plate with the thickness of 20mm, and the L-shaped positioning clamp is made of a Q235B steel plate with the thickness of 10 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. the L-shaped positioning clamp is used for enhancing the strength of the locking nut by dozens of times compared with the stop washer, and the locking nut is not easy to deform and break to play a main anti-loosening and fixing role in preventing the locking nut from rotating;

2. when two fixing bolts of the shaft end cover plate are loosened and the L-shaped positioning clamp has failure risk, the positioning claw of the stop washer in the original design can play a role in fixing and preventing looseness, the phenomenon that a wheel falls off immediately when any one side loosens can not happen, and in addition, the two fixing bolts can also increase the anti-looseness pre-tightening force of the wheel;

3. can reform transform on line, can need not to advance the change to the equipment body, carry out secondary locking measure to the cold quick-witted wheel bearing of ring, open into duplicate protection, can quick implementation completion, maneuverability is strong, practices thrift equipment cost, accomplish equipment transformation fast, effectively reduces equipment shutdown probability and guarantees that production is stable, regularly to the cold quick-witted wheel inspection of uncapping of ring in the cooperation daily production process, discovery is not hard up and deformation can in time be handled, has ensured the cold quick-witted equipment steady operation of ring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the locking end cap of the present invention;

FIG. 3 is a schematic view of an L-shaped positioning card according to the present invention;

fig. 4 is a schematic structural view of the lock nut of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a wheel; 2. a wheel shaft; 3. a bearing; 4. a stop washer; 5. locking the nut; 501. locking the nut slot position; 6. locking the end cover; 7. an L-shaped positioning card; 701. a clip mounting hole; 8. a cover plate slot position; 9. a clip bolt; 10. and a cover plate fixing bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention: the utility model provides a cold quick-witted platform wheel duplicate protection locking device of ring, includes wheel 1 and axletree 2, and axletree 2 passes through bearing 3 and connects in wheel 1, still includes lock washer 4, lock nut 5 and locking end cover 6, and wheel 1 and bearing 3 are fixed through lock washer 4 and lock nut 5, and lock end cover 6 is connected with lock nut 5 through L type locator card 7.

Please refer to fig. 2 in the drawings of the specification: two cover plate fixing bolts 10 are arranged in the middle of the locking end cover 6, the locking end cover 6 is connected to the end face of the wheel shaft 2 through the cover plate fixing bolts 10, and the inner side face of the locking end cover 6 is abutted to the locking nut 5.

Please refer to fig. 2-4 in the drawings of the specification: the periphery wall of locking end cover 6 is opened has a plurality of apron trench 8, and the periphery wall of lock nut 5 is opened has a plurality of lock nut trench 501, and L type locator card 7 is connected between apron trench 8 and lock nut trench 501.

Please refer to fig. 2 and 4 in the drawings of the specification: a bolt hole is formed in the cover plate groove position 8, a clip mounting hole 701 is formed in the surface of the L-shaped positioning clip 7, and the clip mounting hole 701 and the bolt hole are connected through a clip bolt 9.

Selecting material equipment: the locking end cover 6 is made of a steel plate with the thickness of 20mm and Q235B; the cover plate fixing bolt 10 is a GB/T70.1-8.8 grade inner hexagonal socket head cap screw M12 x 30; the L-shaped positioning card 7 is made of a steel plate with the thickness of 10mm and Q235B; the clamp bolt 9 is a GB/T5783-8.8 grade hexagonal full-thread bolt M6 x 16; and the locking nut 5 is made of 45# steel, and is tempered: HB220-250, 6 × 12 groove surface quenching, HRC35-45, surface bluing treatment.

The specific working principle is as follows:

according to 5 sizes of lock nut and 4 positioning claw angles of lock washer, will fix 6 a week of lock end cover that open of axle head and cover the board trench 8 totally 12, the angle is unanimous with the positioning claw angle of lock washer, two phi 13 locating holes process into the counter sink in the middle of the lock end cover 6, join in marriage hexagon socket head cap screw (M12) and use, apron fixing bolt 10 promptly, adopt 10mm steel sheet preparation an L type locator card 7, size and lock nut 5, the unanimous cooperation of lock end cover 6 is used, concrete mounting method: after the original locking nut 5 is fastened in place, the positioning claw of the stop washer is bent and fixed. After the first fastening is finished, the locking end cover 6 is installed in place and fixed by the two cover plate fixing bolts 10, and the other surface of the locking end cover 6 props against the locking nut 5 to prevent loosening and displacement. The L-shaped positioning card 7 is installed by selecting the position of the cover plate slot position 8 consistent with the position of the locking nut slot position 501, the L-shaped positioning card 7 is ensured to be respectively clamped on the cover plate slot position 8 and the locking nut slot position 501, and then the L-shaped positioning card is fixed by the clamp bolt 9, and finally the double anti-loose fixation of the stop washer and the L-shaped card is formed.

In the running process of the ring cooling machine trolley, the bearing 3 is subjected to axial force, the inner ring extrudes the lock nut 5 to rotate, the lock nut 5 is fixed by the clamp of the stop washer 4 and the positioning clamp on the locking end cover 6 at the same time, and the L-shaped positioning clamp 7 has the thickness of 10mm, so that deformation and fracture are almost impossible. The locking nut 5 cannot rotate, the bearing 3 is normally worn, the gap is kept normal, and the wheel cannot fall off, so that the production and operation are stable.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a cold quick-witted platform wheel duplicate protection locking device of ring, includes wheel (1) and axletree (2), and axletree (2) are connected in wheel (1) through bearing (3), its characterized in that: the wheel locking device is characterized by further comprising a stop washer (4), a locking nut (5) and a locking end cover (6), wherein the wheel (1) and the bearing (3) are fixed through the stop washer (4) and the locking nut (5), and the locking end cover (6) is connected with the locking nut (5) through an L-shaped positioning clamp (7).

2. The double-protection anti-loosening device for the wheels of the circular cooler trolley according to claim 1, wherein: two cover plate fixing bolts (10) are arranged in the middle of the locking end cover (6), the locking end cover (6) is connected to the end face of the wheel shaft (2) through the cover plate fixing bolts (10), and the inner side face of the locking end cover (6) is abutted to the locking nut (5).

3. The double-protection anti-loosening device for the wheels of the circular cooler trolley according to claim 1, wherein: the periphery wall of locking end cover (6) is opened has a plurality of apron trench (8), the periphery wall of lock nut (5) is opened has a plurality of lock nut trench (501), L type locator card (7) connect in between apron trench (8) and the lock nut trench (501).

4. The double-protection anti-loosening device for the wheels of the circular cooler trolley according to claim 3, wherein: the cover plate groove (8) is provided with a bolt hole, the surface of the L-shaped positioning clamp (7) is provided with a clamp mounting hole (701), and the clamp mounting hole (701) is connected with the bolt hole through a clamp bolt (9).

5. The double-protection anti-loosening device for the wheels of the circular cooler trolley according to claim 1, wherein: the locking end cover (6) adopts a Q235B steel plate with the thickness of 20mm, and the L-shaped positioning clamp (7) adopts a Q235B steel plate with the thickness of 10 mm.

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