CN209918571U - Eccentric shaft locking device - Google Patents
Eccentric shaft locking device Download PDFInfo
- Publication number
- CN209918571U CN209918571U CN201822249490.5U CN201822249490U CN209918571U CN 209918571 U CN209918571 U CN 209918571U CN 201822249490 U CN201822249490 U CN 201822249490U CN 209918571 U CN209918571 U CN 209918571U
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- end cover
- gear end
- eccentric shaft
- locking
- horizontal
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Abstract
A locking device of an eccentric shaft comprises a gear end cover, a gear end cover locking bolt, the eccentric shaft, a horizontal rack and a fixed screw, wherein the gear end cover is locked and fixed on the eccentric shaft by the bolt, so that the opening degree of the horizontal wheel can be adjusted by rotating the gear end cover; the horizontal rack is fixed on the box body and is meshed and connected with the gear end cover so as to lock the gear end cover. The device has the advantages that as the device is connected with the eccentric shaft through the gear end cover, the locking bolt is cancelled, the service cycle of the end cover can be prolonged, the cost for replacing the sliding tooth locking bolt is reduced, 2 horizontal wheels and 1 locking bolt can be saved every day, and 730 horizontal wheels and 365 locking bolts can be saved every year; by using a locking bolt locking mode, each production line generates 1 rolling waste per day on average, each production line generates 730 tons of rolling waste per year according to 2 tons. According to the cost of the steel billet of 2500 yuan/ton, the method can save: 2500 × 730=182.5 ten thousand yuan.
Description
Technical Field
The utility model relates to a steel rolling equipment makes technical field, the eccentric shaft locking device that the eccentric shaft of the horizontal wheel was locked is led and defended to specially adapted RE55WBF-00, RE65WBF-00 form.
Background
The current two-cutting, three-cutting, four-cutting and five-cutting pre-cutting K3 and K4 inlet guides and guards use RE55WBF-00 and RE65WBF-00, and the design of the locking mode of the horizontal wheel eccentric shaft has the following defects:
1. the opening degree of the horizontal wheel has poor adjustment precision and high adjustment difficulty, and the locking bolt is not easy to assemble;
2. the locking bolt is easy to loosen: the locking bolt penetrates through the end cover of the horizontal eccentric wheel, the horizontal eccentric wheel is subjected to periodic impact of the head of a rolled piece in the rolling process, and the periodic impact force is transmitted to the locking bolt, so that the thread of the locking bolt is broken, and the bolt is separated.
3. The box body locking bolt holes are easy to slip, the horizontal roller needs to be dismounted when the horizontal roller is replaced every time, the box body screw holes are easy to slip, and the box body screw holes are not easy to repair after the teeth slip.
4. In the rolling process, the horizontal wheel is mainly used for clamping a rolled piece and keeping the rolled piece to be rolled in the horizontal direction, and the locking bolt is loosened or falls off to directly change the opening degree of the horizontal wheel. The opening degree is increased, the clamping effect is invalid, the rolled piece is twisted, and the rolled piece does not enter the inlet of the next rolling mill; and the opening degree is small, so that the head of the rolled piece is directly piled up at the horizontal wheel, and the rolling fault is caused.
5. By using the screw locking device, the screw hole on the end cover of the rotary bearing needs to be aligned with the screw hole on the box body, so that the workload is increased.
In conclusion, the design of the locking mode of the horizontal wheel eccentric shaft is unreasonable, contradicts with the actual working condition of a production field, and the problems need to be solved in order to improve the quality and the service life of the guide on-line use, improve the stability of the rolling process and reduce the guide pre-installation difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can solve the smooth tooth of locking bolt, not hard up rolling trouble that causes, intensity of labour is big, leads the eccentric shaft locking device of defending the problem that the availability factor is low.
The utility model discloses a solution is such:
a locking device of an eccentric shaft comprises a gear end cover, a gear end cover locking bolt, the eccentric shaft, a horizontal rack and a fixed screw, wherein the gear end cover is locked and fixed on the eccentric shaft by the bolt, so that the opening degree of the horizontal wheel can be adjusted by rotating the gear end cover; the horizontal rack is fixed on the box body and is completely meshed with the gear end cover so as to lock the gear end cover.
The more specific technical scheme also comprises the following steps: the gear end cover is fixed on the eccentric shaft by three gear end cover locking bolts which are distributed in a triangular shape.
Further: the gear end cover is a standard gear piece with the tooth number of 40, the pressure angle of 20 degrees and the module of 2.
The utility model has the advantages that:
1. because the device passes through gear end cover and eccentric shaft connection, has cancelled locking bolt, can increase the life cycle of end cover, reduces and changes smooth tooth locking bolt expense, can practice thrift 2 level wheels and 1 locking bolt every day, can practice thrift 730 level wheels and 365 locking bolts every year, according to the level wheel unit price 120 yuan of calculation, 5 yuan of calculation of locking bolt can practice thrift the cost and be: 730 × 120+5 × 365=87600+1825=89425 yuan.
2. By using a locking bolt locking mode, each production line generates 1 rolling waste per day on average, each production line generates 730 tons of rolling waste per year according to 2 tons. According to the cost of the steel billet of 2500 yuan/ton, the method can save: 2500 × 730=182.5 ten thousand yuan.
The total cost is saved by combining the following steps: 182.5 ten thousand yuan +89425 yuan =191.44 ten thousand yuan.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The parts of the drawings are detailed as follows: 1. the device comprises a box body, 2, a gear end cover, 3, a gear end cover locking bolt, 4, an eccentric shaft, 5, a horizontal rack, 6, a horizontal wheel, 7, a rear guide pair mounting key groove and locking device, 8 and a fixed screw.
Detailed Description
As shown in fig. 1, in this embodiment, a gear end cover 2, a gear end cover locking bolt 3, an eccentric shaft 4, a horizontal rack 5, and a fixing screw 8, the gear end cover 2 is locked and fixed to the eccentric shaft 4 by three gear end cover locking bolts 3, and the three gear end cover locking bolts 3 are distributed in a triangular shape, so that the opening degree of the horizontal wheel 6 can be adjusted by rotating the gear end cover 2; the horizontal rack 5 is fixed on the box body 1 and is meshed and connected with the gear end cover 2 to lock the gear end cover 2; the gear end cover 2 is a standard gear piece with the tooth number of 40, the pressure angle of 20 degrees and the module of 2.
Three screw holes are preset in the gear end cover and used for being fixed with the eccentric shaft, and the gear end cover is fixed with the eccentric shaft through a screw rod and can be conveniently replaced with a damaged gear end cover.
The gear end cover is meshed with the horizontal straight teeth on the box body to complete locking, so that a rolled piece can be stably clamped and correctly enters the guide supporting device, and then enters the pass to be stably rolled.
The embodiment comprises a guide box body 1, a gear end cover 2, a gear end cover locking bolt 3, an eccentric shaft 4 and a horizontal rack 5. The guide box body can be provided with a rear guide auxiliary pre-guide plate 7 and a horizontal wheel 6, and the gap between the upper horizontal wheel 6 and the lower horizontal wheel 6 can be adjusted by rotating the eccentric shaft 4, namely, the opening degree is adjusted, so that the rolled piece is ensured to have no torsion in the horizontal direction, and the bite hole type is correctly guided by the guide to carry out the twist-free rolling. The gear end cover 2 is a standard gear piece with the tooth number of 40, the pressure angle of 20 degrees and the modulus of 2, and is fixed on the guide box through 3M 8 multiplied by 12 bolts, and simultaneously, the gear end cover 2 is ensured to be completely meshed with the horizontal rack 5, so that the effect of fixing the opening degree of the horizontal wheel is achieved.
The utility model discloses an use the former locking bolt locking mode of gear locking mode substitution. By adjusting the eccentric shaft locking nut, the gear eccentric shaft is withdrawn, and the opening degree of the horizontal wheel can be adjusted by rotating the angle of the gear eccentric shaft. After the opening degree of the horizontal wheel is adjusted, the gear eccentric shaft is pushed into the box body, and the horizontal teeth on the box body are meshed with the gear end cover to realize locking. The device comprises a gear end cover, an eccentric shaft, a guide wheel and a box body, wherein three fixing bolts are arranged on the gear end cover and used for fixing the gear end cover and the eccentric shaft. The horizontal straight teeth on the box body are provided with fixing bolts, so that the horizontal straight teeth with large abrasion can be conveniently replaced.
Claims (3)
1. An eccentric shaft locking device, characterized in that: the gear end cover (2), a gear end cover locking bolt (3), an eccentric shaft (4), a horizontal rack (5) and a fixing screw (8), wherein the gear end cover (2) is locked and fixed on the eccentric shaft (4) through the bolt, so that the opening degree of a horizontal wheel (6) can be adjusted by rotating the gear end cover (2); the horizontal rack (5) is fixed on the box body (1) and is meshed with the gear end cover (2) to lock the gear end cover (2).
2. The eccentric shaft locking device according to claim 1, wherein: the gear end cover (2) is fixed on the eccentric shaft (4) by three gear end cover locking bolts (3), and the three gear end cover locking bolts (3) are distributed in a triangular shape.
3. The eccentric shaft locking device according to claim 1, wherein: the gear end cover (2) is a standard gear piece with the tooth number of 40, the pressure angle of 20 degrees and the modulus of 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249490.5U CN209918571U (en) | 2018-12-29 | 2018-12-29 | Eccentric shaft locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249490.5U CN209918571U (en) | 2018-12-29 | 2018-12-29 | Eccentric shaft locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209918571U true CN209918571U (en) | 2020-01-10 |
Family
ID=69066258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822249490.5U Active CN209918571U (en) | 2018-12-29 | 2018-12-29 | Eccentric shaft locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209918571U (en) |
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2018
- 2018-12-29 CN CN201822249490.5U patent/CN209918571U/en active Active
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