CN210937042U - Continuous casting machine vibrating device - Google Patents
Continuous casting machine vibrating device Download PDFInfo
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- CN210937042U CN210937042U CN201921798168.6U CN201921798168U CN210937042U CN 210937042 U CN210937042 U CN 210937042U CN 201921798168 U CN201921798168 U CN 201921798168U CN 210937042 U CN210937042 U CN 210937042U
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Abstract
The utility model discloses a conticaster vibrating device has solved the vibration frequency range that current conticaster vibrating device exists less, and perhaps vibration frequency range improves its vibration beat problem that can not satisfy the requirement after the back. The technical scheme includes that the vibration device comprises a fixed frame, a lower connecting rod, an upper connecting rod, a vibration frame and a transmission mechanism, wherein one end of the upper connecting rod is hinged to the upper end of the fixed frame, and the other end of the upper connecting rod is hinged to one side of the vibration frame; one end of the lower connecting rod is hinged to the lower end of the fixing frame, the other end of the lower connecting rod is hinged to the transmission device, and the middle section of the lower connecting rod is hinged to the lower end of the vibration frame. The utility model discloses simple structure, vibration beat are little, the frequency of vibration is high, each mechanism atress is more reasonable, and the casting blank quality is guaranteed to extension equipment life, reduces cost of maintenance.
Description
Technical Field
The utility model relates to a part of conticaster.
Background
The vibrating device has the advantages that in the casting blank forming process, the vibrating device and the crystallizer do reciprocating motion, so that the protective slag can permeate easily, a lubricating film is formed between the copper pipe and the casting blank, the friction resistance in blank drawing is reduced, the casting blank is prevented from being bonded with the inner wall of the copper pipe of the crystallizer in the condensation process, the bonding, drawing and leakage accidents are avoided, and the smooth demolding of the casting blank is ensured.
There are various kinds of vibration devices. Such as rail type vibration, long arm type vibration, differential gear type vibration, link principle type, four eccentric vibration, and the like. The principle type of the connecting rod comprises rigid four-connecting-rod vibration, flexible plate spring vibration and the like, and although flexible plate spring vibration devices (including semi-plate spring type vibration devices and full-plate spring type vibration devices) have light vibration mass and wider vibration frequency range, the application of the flexible plate spring vibration devices is limited due to the short service life of the spring plate due to the inherent characteristics of the spring plate; the rigid four-bar linkage vibration device has the advantages of high arc simulation precision, stable work, simple structure, easy maintenance and the like, and is widely applied at present.
The drawing speed of modern continuous casting machines is continuously improved, and the requirements on the frequency of a vibration device and the stability of a vibration frame are higher and higher. However, the conventional rigid four-bar linkage vibrating device commonly used at present has a small vibration frequency range under the condition that the requirement of the process on vibration deflection is met, or the vibration deflection of the conventional rigid four-bar linkage vibrating device cannot meet the requirement after the vibration frequency range is improved. Referring to fig. 1, a conventional rigid four-bar linkage mainly comprises a fixed frame, a lower connecting bar, an upper connecting bar, a vibration frame, a transmission mechanism, and the like. The vibration frame and the transmission mechanism which are connected with the crystallizer are respectively arranged on two sides of the fixed frame to form a rocker mechanism. The hinge point position of the lower connecting rod (vibration arm) and the vibration frame is far away from the gravity center of the crystallizer, the vibration frame is arranged at the hanging end of the lower connecting rod, and when the vibration frequency is improved, the phenomenon of 'nodding' in the inner arc direction and the outer arc direction of the vibration frame is serious, so that the surface quality of a casting blank is influenced. How to reduce the vibration deflection and improve the vibration frequency range of the rigid four-bar mechanism so as to meet the requirement of high-pulling-speed continuous casting and ensure the stable and reliable casting blank quality is the direction which needs to be researched by technical personnel.
Disclosure of Invention
The utility model aims at solving the technical problem, provide a simple structure, vibration beat is little, the frequency of vibration is high, each mechanism atress is more reasonable, and the extension equipment life guarantees the casting blank quality, reduces cost of maintenance's conticaster vibrating device.
The technical scheme includes that the vibration device comprises a fixed frame, a lower connecting rod, an upper connecting rod, a vibration frame and a transmission mechanism, wherein one end of the upper connecting rod is hinged to the upper end of the fixed frame, and the other end of the upper connecting rod is hinged to one side of the vibration frame; one end of the lower connecting rod is hinged to the lower end of the fixing frame, the other end of the lower connecting rod is hinged to the transmission device, and the middle section of the lower connecting rod is hinged to the lower end of the vibration frame.
The other end of the lower connecting rod is hinged with a pull rod of the transmission device.
And a bearing at the hinged part of the middle section of the lower connecting rod and the lower end of the vibration frame adopts a self-aligning roller bearing.
And the bearings at the hinged parts of the two ends of the upper connecting rod and the fixed frame and the vibrating frame respectively adopt cylindrical roller bearings.
Has the advantages that:
the utility model discloses with transmission and vibration frame homonymy setting, form a lift pole mechanism, can make the pin joint of connecting rod and vibration frame install near the focus position that more is close to the vibrating part down, adopt this application scheme can reduce the vibration beat effectively, improve the frequency of vibration, adapt to the requirement that the conticaster height was drawn fastly. The stress of each mechanism is more reasonable, so that the service life of equipment can be prolonged, the quality of a casting blank is ensured, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a vibrating device of a conventional continuous casting machine.
Fig. 2 is a schematic structural view of the vibrating device of the continuous casting machine of the present invention.
Wherein, 1-a fixed frame, 2-a lower connecting rod, 3-an upper connecting rod, 4-a vibrating frame and 5-a pull rod; m-outer arc datum line, N-crystallizer central line and L-casting machine horizontal radius central line.
Detailed Description
The invention will be further explained with reference to the drawings:
referring to fig. 2, the utility model comprises a fixed frame 1, a lower connecting rod 2, an upper connecting rod 3, a vibration frame 4 and a transmission device, wherein one end of the upper connecting rod 3 is hinged on the upper end of the fixed frame 1, the other end is hinged on one side of the vibration frame 4, and the bearings of the two hinge points A, B adopt cylindrical roller bearings; one end of the lower connecting rod 2 is hinged to the lower end of the fixed frame 1, and the other end of the lower connecting rod is hinged to a pull rod 5 of the transmission device; the middle section of the lower connecting rod 2 is hinged with the lower end of the vibrating frame 4, and the bearing of the hinged point C adopts a self-aligning roller bearing.
The crystallizer is fixed on the vibration frame 4, only the pull rod 5 of the transmission mechanism is shown in fig. 2, the structure of the utility model makes the crystallizer and the transmission mechanism arranged at the same side of the fixing frame, and the vibration frame 4 of the crystallizer is positioned above the lower connecting rod 2, thus forming a rod lifting mechanism. The hinge point positions of the lower connecting rod 2 and the vibration frame 4 can be conveniently arranged near the gravity center position of the crystallizer, and the bearing at the hinge point position is matched with a self-aligning roller bearing, so that the stress of each mechanism in the vibration device is minimum, and when the vibration frequency is improved, the vibration frame 4 can still be kept stable.
The bearings at the hinge points at the two ends of the upper connecting rod 3 adopt cylindrical roller bearings, so that the rollers are in line contact instead of point contact, the deflection of vibration in the horizontal direction can be effectively prevented, the sufficient bearing capacity and the service life of the bearing are ensured, and the vibration error caused by the abrasion of the bearing is reduced.
By adopting the improved scheme, the vibration deflection can be effectively reduced, the vibration frequency is improved, the requirement of a continuous casting machine on high drawing speed is met, and the stress of each mechanism is more reasonable, so that the service life of equipment can be prolonged, the quality of a casting blank is ensured, and the maintenance cost is reduced.
Claims (4)
1. A vibration device of a continuous casting machine comprises a fixed frame, a lower connecting rod, an upper connecting rod, a vibration frame and a transmission mechanism, and is characterized in that one end of the upper connecting rod is hinged at the upper end of the fixed frame, and the other end of the upper connecting rod is hinged at one side of the vibration frame; one end of the lower connecting rod is hinged to the lower end of the fixing frame, the other end of the lower connecting rod is hinged to the transmission device, and the middle section of the lower connecting rod is hinged to the lower end of the vibration frame.
2. The caster vibration apparatus of claim 1, wherein the other end of said lower link is hinged to a tie rod of the transmission.
3. Continuous casting machine vibration apparatus according to claim 1 or 2, characterized in that the bearing where the middle section of the lower connecting rod is hinged with the lower end of the vibration frame is a self-aligning roller bearing.
4. Continuous casting machine vibration apparatus according to claim 1 or 2, characterized in that the bearings at the joints of the two ends of the upper connecting rod with the fixed frame and the vibration frame respectively are cylindrical roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798168.6U CN210937042U (en) | 2019-10-24 | 2019-10-24 | Continuous casting machine vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798168.6U CN210937042U (en) | 2019-10-24 | 2019-10-24 | Continuous casting machine vibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210937042U true CN210937042U (en) | 2020-07-07 |
Family
ID=71386591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798168.6U Active CN210937042U (en) | 2019-10-24 | 2019-10-24 | Continuous casting machine vibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210937042U (en) |
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2019
- 2019-10-24 CN CN201921798168.6U patent/CN210937042U/en active Active
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