CN210231466U - Dummy bar for continuous casting billet of rigid plate blank - Google Patents
Dummy bar for continuous casting billet of rigid plate blank Download PDFInfo
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- CN210231466U CN210231466U CN201920781157.0U CN201920781157U CN210231466U CN 210231466 U CN210231466 U CN 210231466U CN 201920781157 U CN201920781157 U CN 201920781157U CN 210231466 U CN210231466 U CN 210231466U
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Abstract
The utility model provides a rigidity slab continuous casting billet dummy bar, characteristics are on rigid dummy bar, through keyway and screw embedding spring plate, when guaranteeing the dummy bar rigidity, increase the flexibility of dummy bar again. Meanwhile, the spring plate is embedded into the dummy bar, so that the lateral bending caused by thermal deformation due to direct radiation of heat on the spring plate is avoided; the roller of the withdrawal and straightening machine can be prevented from not directly acting on the spring plate to cause extrusion deformation, and if the clamping force on the two sides of the withdrawal and straightening roller is different, the spring plates on the two sides extend differently. Meanwhile, each transition section, each connecting section and the like are connected through a pin shaft, and each section is provided with a hoisting hole, so that spare parts can be conveniently replaced and hoisted.
Description
Technical Field
The utility model relates to a rigid slab continuous casting billet dummy bar.
Background
The dummy bar is an important component of a continuous casting machine. The main function is to perform the function of dummy ingot and billet pulling during casting. At present, most dummy bars of slab caster adopt rigid dummy bars, and have the main characteristics of flexible introduction and convenient manufacture and transportation. However, the side bending deformation, the failure of normal introduction, the shortened service life, and the like are often caused by the long-term exposure to high temperature radiation, extrusion deformation, and the like during operation. Based on this, we have devised a new dummy bar by careful analysis, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical scheme who adopts to foretell technical problem does: a dummy bar for a continuous casting billet of a rigid slab comprises a T-shaped transition joint, a connecting joint, a middle joint, a spring plate and a tail joint, wherein a through hole is formed in the spring plate, the upper plane and the lower plane of the T-shaped transition joint are provided with through grooves along the central line, the through grooves in the upper plane are combined with the spring plate, the lower end of the transition joint is arranged into a trapezoidal body, the T-shaped transition joint, the connecting joint, the middle joint and the tail joint are sequentially connected together through a pin shaft and an elastic retainer ring for the shaft, one end of the pin shaft is provided with a circular cap, one end of the pin shaft is provided with a circular groove, gaps exist between the pin shaft and each piece, the spring plate is sequentially fixed on the T-shaped transition joint, the.
Preferably, trapezoidal through grooves are formed in the two side faces of the T-shaped transition section along the central line, through holes are formed in the through grooves along the length direction, the through holes in the two ends except the central through hole are stepped holes, and threads are machined in the two ends of the middle hole.
Preferably, the transition section structure is consistent with the T-shaped transition section, the size of a protruding part at the upper end of the transition section needs to be matched with a groove at the lower end of the transition section, the length of the protruding part is larger than the depth of the T-shaped transition section groove, and the width of the protruding part is consistent with the protruding width of the T-shaped transition section.
Preferably, the width dimension of the connecting joint structure is twice the width dimension of the transition joint.
Preferably, the tail section is provided with a rectangular cast through hole.
Preferably, the depth of the through groove in the upper plane of the T-shaped transition section is larger than the thickness of the spring plate, and the width of the through groove is larger than the width of the spring plate.
Compared with the prior art, the utility model has the advantages of with positive effect lie in, provide a rigidity slab continuous casting billet dummy bar, when guaranteeing the dummy bar rigidity, increase the flexibility of dummy bar again. Meanwhile, the spring plate is embedded into the dummy bar, so that the lateral bending caused by thermal deformation due to direct radiation of heat on the spring plate is avoided; the phenomenon that the tension leveler roller does not directly act on the spring plate to cause extrusion deformation of the spring plate can also be avoided (if the clamping force on the two sides of the tension leveler roller is different, the spring plates on the two sides extend differently). Meanwhile, each transition section, each connecting section and the like are connected through a pin shaft, and each section is provided with a hoisting hole, so that spare parts can be conveniently replaced and hoisted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention taken along line B-B;
FIG. 5 is a schematic cross-sectional view of the present invention taken along line D-D;
FIG. 6 is a schematic view of a T-shaped transition section of the present invention;
FIG. 7 is a schematic view of a transition section of the present invention;
FIG. 8 is a schematic view of the connection section of the present invention;
FIG. 9 is a schematic view of a rear section of the present invention;
in the figures, 1, T-shaped transition sections, 2, transition sections, 3, connecting sections, 4, middle sections, 5, tail sections, 6, spring plates, 7, pin shafts, 8 and elastic retaining rings for shafts are arranged.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
As shown in the figure, the dummy bar for the continuous casting billet of the rigid slab comprises a T-shaped transition joint 1, a transition joint 2, a connecting joint 3, a middle joint 4, a spring plate 6 and a tail joint 5, wherein a through hole is formed in the spring plate 6, the upper plane and the lower plane of the T-shaped transition joint 1 are provided with through grooves along the central line, the through grooves in the upper plane are combined with the spring plate 6, the lower end of the transition joint 2 is arranged to be a trapezoidal body, the T-shaped transition joint 1, the transition joint 2, the connecting joint 3, the middle joint 4 and the tail joint 5 are sequentially connected together through a pin shaft 7 and a shaft elastic retainer ring 8, one end of the pin shaft is provided with a circular cap, one end of the pin shaft is provided with an annular groove, gaps exist between the pin shaft 7 and each part, the spring plate 6 is sequentially fixed on the T-shaped transition joint 1, the transition. Two side surfaces of the T-shaped transition joint 1 are provided with trapezoidal through grooves along the central line, through holes are formed in the through grooves along the length direction, the through holes at two ends except the central through hole are stepped holes, and threads are machined at two ends of the middle hole. The structure of the transition section 2 is consistent with that of the T-shaped transition section 1, the size of a protruding part at the upper end of the transition section 2 needs to be matched with a groove at the lower end of the transition section 2, the length of the protruding part is larger than the depth of the groove of the T-shaped transition section 1, and the width of the protruding part is consistent with that of the T-shaped transition section 1. The structural width dimension of the connecting joint 3 is twice that of the transition joint 2. The tail section 5 is provided with a rectangular cast through hole. The depth of the through groove in the upper plane of the T-shaped transition section 1 is larger than the thickness of the spring plate 6, and the width of the through groove is larger than the width of the spring plate 6.
The upper surface and the lower surface of the T-shaped transition joint 1 are provided with through grooves along the central line, the through grooves on the upper plane are machined to be smooth and combined with the spring plate 6, the depth of the grooves is 20mm greater than the thickness of the spring plate 6, the width of the grooves is greater than the width of the spring plate, the through grooves on the lower plane are cast and formed, threaded holes are matched with the spring plate 6 on the upper plane by taking the central line of the width of the T-shaped transition joint 1 as the center, trapezoidal through grooves are formed on two side surfaces of the T-shaped transition joint 1 along the central line, 3 through holes are uniformly distributed in the through grooves along the length direction, the through holes at two ends are step holes except the central through hole, threads are machined at two ends of the middle hole, the upper end of the T-; the upper end of the T-shaped transition joint 1 is recessed, the groove is through along the thickness direction of the T-shaped transition joint 1, and the central line of the depth of the groove is superposed with the central line of a step hole on the side surface; the width of the groove is smaller than that of the through groove on the upper plane and is larger than the protruding width of the upper end. The structure of the transition joint 2 is consistent with that of the T-shaped transition joint 1, only the size of a protruding part at the upper end of the transition joint 2 needs to be matched with a groove at the lower end of the transition joint 2, the length size of the protruding part is larger than the depth of the groove of the T-shaped transition joint 2, the width of the protruding part is consistent with that of the protruding part of the T-shaped transition joint, and a certain rotating gap is ensured after the T-shaped transition joint 1 is connected with the transition joint 2 through a pin; casting the connecting joint 3; the structure of the connecting joint 3 is basically consistent with that of the transition joint 2, the width dimension is 2 times of the width dimension of the transition joint 2, and the width of the groove of the lower end surface is 2 times of the width dimension of the groove of the lower end surface of the transition joint 2; two side surfaces of one end of the protrusion are chamfered, the width of the chamfer is half of the length of the transition section, and the angle is 45 degrees; casting the middle section 4; the middle section 4 and the connecting section 3 have the same structure and size except that the side surfaces are not chamfered; casting a tail section 5; the size of the protruding part at the upper end of the tail section 5 is consistent with the size structure of the middle section; the lower end is a trapezoid body, 4 rectangular casting through holes are uniformly distributed on the upper plane of the tail section 5 and communicated with the lower bottom surface, the upper plane of the protruding end of the tail section 5 is provided with a groove, the width and depth of the groove are consistent with the dimensions of the plane grooves on the middle section and the connecting section 3, the length of the groove is communicated with the first rectangular casting through hole, two side surfaces of the tail section are respectively provided with a through groove, and the depth and width dimensions are consistent with the dimensions of the transition section and the connecting section. One end of the tail section 5 collar is chamfered, and the size of the chamfer is the same as that of the chamfer of the connecting section 3; one end of the chamfer is chamfered, one side of the lower bottom surface is chamfered, the width of the chamfer is half of the thickness of the tail section 5, and the angle is 45 degrees; turning a pin shaft, wherein a round cap is reserved at one end of the pin shaft, and an annular groove is formed at one end of the pin shaft and used for installing an elastic check ring for the shaft; the T-shaped transition section 1, the transition section 2, the connecting section 3, the middle section 4 and the tail section 5 are sequentially connected together through a pin shaft 7 and a shaft elastic retainer ring 8, the pin shaft 7 is in clearance fit with each part, the clearance is preferably 5mm, then the spring plates 6 are sequentially fixed in through grooves of upper planes of the T-shaped transition section 1, the transition section 2, the connecting section 3, the middle section 4 and the tail section 5, and gaps are reserved among the spring plates 6 and are fixed well through bolts, so that the bolt heads are not higher than the highest points of the upper planes; when the device is used, the tail section 5 is arranged in a roller of a withdrawal and straightening machine, the dummy bar head is connected with the T-shaped transition section 1 through a pin, a bolt and the like, and dummy bar withdrawal is carried out according to the running condition of continuous casting equipment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A dummy bar for a continuous casting billet of a rigid slab is characterized by comprising a T-shaped transition joint, a connecting joint, a middle joint, a spring plate and a tail joint, wherein a through hole is formed in the spring plate, a through groove is formed in the upper plane and the lower plane of the T-shaped transition joint along the central line, the through groove in the upper plane is combined with the spring plate, the lower end of the transition joint is a trapezoid body, the T-shaped transition joint, the connecting joint, the middle joint and the tail joint are sequentially connected together through a pin shaft and an elastic retainer ring for the shaft, one end of the pin shaft is provided with a circular cap, the other end of the pin shaft is provided with a circular groove, gaps exist between the pin shaft and each piece, the spring plate is sequentially fixed on the T-shaped transition joint, the transition.
2. The dummy bar of claim 1, wherein both sides of the T-shaped transition section are provided with trapezoidal through grooves along the central line, through holes are formed in the through grooves along the length direction, the through holes at both ends except the central through hole are stepped holes, and threads are machined at both ends of the middle hole.
3. The dummy bar of claim 1, wherein the transition section has a configuration corresponding to a T-shaped transition section, a protruding portion of the upper end of the transition section is sized to fit a groove of the lower end of the transition section, a length of the protruding portion is greater than a depth of the T-shaped transition section groove, and a width of the protruding portion is equal to a protruding width of the T-shaped transition section.
4. The dummy bar of claim 1, wherein the width dimension of the connecting joint structure is twice the width dimension of the transition joint.
5. The dummy bar of claim 1, wherein the end section is provided with rectangular cast through holes.
6. The dummy bar of claim 1, wherein the depth of the planar through groove on the T-shaped transition section is greater than the thickness of the spring plate, and the width of the through groove is greater than the width of the spring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781157.0U CN210231466U (en) | 2019-05-28 | 2019-05-28 | Dummy bar for continuous casting billet of rigid plate blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781157.0U CN210231466U (en) | 2019-05-28 | 2019-05-28 | Dummy bar for continuous casting billet of rigid plate blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210231466U true CN210231466U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920781157.0U Expired - Fee Related CN210231466U (en) | 2019-05-28 | 2019-05-28 | Dummy bar for continuous casting billet of rigid plate blank |
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| CN (1) | CN210231466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000351A (en) * | 2019-05-28 | 2019-07-12 | 莱芜钢铁集团有限公司 | A kind of rigidity slab continuous casting billet dummy bar and manufacturing method |
-
2019
- 2019-05-28 CN CN201920781157.0U patent/CN210231466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000351A (en) * | 2019-05-28 | 2019-07-12 | 莱芜钢铁集团有限公司 | A kind of rigidity slab continuous casting billet dummy bar and manufacturing method |
| CN110000351B (en) * | 2019-05-28 | 2023-12-26 | 莱芜钢铁集团有限公司 | Dummy bar of rigid slab continuous casting blank and manufacturing method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210528 |