CN218349368U - Continuous casting fan-shaped section roller precision detection device - Google Patents
Continuous casting fan-shaped section roller precision detection device Download PDFInfo
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- CN218349368U CN218349368U CN202221655974.XU CN202221655974U CN218349368U CN 218349368 U CN218349368 U CN 218349368U CN 202221655974 U CN202221655974 U CN 202221655974U CN 218349368 U CN218349368 U CN 218349368U
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Abstract
The utility model discloses a continuous casting fan-shaped section roller precision detection device, which comprises a base and a centering precision detection support, wherein the centering precision detection support is composed of a left steel plate, a right steel plate, a middle steel plate and a bottom plate by assembly welding, the left steel plate and the right steel plate are respectively welded on the left side and the right side of the upper part of the middle steel plate, the bottom end of the middle steel plate is welded on the bottom plate, and the bottom plate is arranged in the middle of the base; the top surface of the base is provided with a handle surface connected with the bottom plate and the fan-shaped section frame, and the lower surface of the bottom plate and the handle surface of the base are positioned on the same horizontal plane; the height of the top surface of the left steel plate and the height of the top surface of the right steel plate are greater than or equal to the height of the top surface of the middle steel plate, and the top surfaces of the left steel plate and the right steel plate are positioned on the same horizontal plane; the left steel plate left surface and the right steel plate right surface are vertical surfaces, and the left steel plate left surface and the right steel plate right surface are parallel and symmetrical. The utility model discloses can make things convenient for, short-term test continuous casting fan-shaped section roller clearance and centering precision, shorten fan-shaped section roller assembly and detection cycle, simple structure, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of continuous casting fan-shaped section roller precision detects, especially relate to a continuous casting fan-shaped section roller precision detection device.
Background
The continuous casting technique is a casting technique which is widely applied by steel enterprises and directly casts molten steel for molding. Compared with the traditional pouring mode, the advantages of the continuous casting technology in the aspects of improving the metal yield, improving the casting blank quality and the like are obviously reflected, and meanwhile, the technology has the obvious advantages in the aspect of saving energy, so the technology is more and more emphasized.
In the complete equipment of the continuous casting machine, the distance precision between the roll surfaces of the fan-shaped section rolls is an important factor for ensuring the quality of the cast billet of the continuous casting machine, so after the continuous casting fan-shaped section rolls are assembled, the precision detection of the distance between the roll surfaces of the left roll, the right roll, the upper roll and the lower roll is required, the distance tolerance between the roll surfaces of the left roll and the right roll is required to be within 0.1mm, and the distance tolerance between the roll surfaces of the upper roll and the lower roll is required to be within 0.3 mm. At present, after the assembly of the sector roller is finished, the precision detection of the sector roller is finished by manual measurement with a micrometer, the efficiency is extremely low, the error is large, and meanwhile, the centering precision of the roller surface cannot be detected due to the lack of a reference; and the dimensional tolerance of the roller cannot be guaranteed to be consistent after the continuous casting fan-shaped section frame is integrally assembled, if the roller surface size of a part of rollers is out of tolerance, the fan-shaped section frame is difficult to disassemble, and a large amount of manpower is consumed. And the number of the continuous casting fan-shaped section frame is as many as dozens of continuous casting fan-shaped section frames, so that the continuous casting fan-shaped section frame is time-consuming and labor-consuming to disassemble, and the cost is increased.
Disclosure of Invention
The utility model provides a solve the problem that prior art exists, provide a fan-shaped section roller precision detection device of continuous casting, this precision detection device adopts the centering precision detection support of installing on the base, detects the clearance of left and right sides roll surface to centering precision detection support both sides face and goes up the roll surface to the clearance above the centering precision detection support, has made things convenient for the centering precision detection and the adjustment of fan-shaped section roller of continuous casting greatly, detects the precision height, has improved production efficiency.
The utility model discloses a realize like this, a continuous casting fan-shaped section roller precision detection device, including base and centering precision detection support, centering precision detection support comprises left steel sheet, right steel sheet, middle steel sheet and bottom plate assembly welding, the left and right sides of middle steel sheet upper portion welds left steel sheet and right steel sheet respectively, the bottom welding of middle steel sheet is on the bottom plate, the bottom plate is installed in the middle of the base;
the top surface of the base is provided with a handle surface connected with the bottom plate and the fan-shaped section frame, and the lower surface of the bottom plate and the handle surface of the base are positioned on the same horizontal plane; the height of the top surface of the left steel plate and the height of the top surface of the right steel plate are greater than or equal to the height of the top surface of the middle steel plate, and the top surfaces of the left steel plate and the right steel plate are positioned on the same horizontal plane; the left side face of the left steel plate and the right side face of the right steel plate are vertical faces, and the left side face of the left steel plate and the right side face of the right steel plate are parallel and symmetrical.
In the above technical solution, preferably, the flatness errors of the joining surface of the base, the lower surface of the bottom plate, the top surface of the left steel plate, the left side surface of the left steel plate, the top surface of the right steel plate and the right side surface of the right steel plate are all in the range of-0.02 to +0.02 mm.
In the above technical scheme, preferably, the bottom plate is provided with a positioning through hole and a threaded through hole, correspondingly, the base is provided with a positioning counter bore one matched with the positioning through hole and an internal thread counter bore one matched with the threaded through hole in the middle of the joint, and the bottom plate is mounted on the base through a positioning pin and a connecting bolt.
In the above technical scheme, preferably, the left side and the right side of the joint of the base and the fan-shaped section frame are both provided with a second positioning counter bore and a second internal thread counter bore which are used for being connected with the fan-shaped section frame.
In the above technical solution, preferably, the base is a cast iron square box.
And machining a second positioning counter bore and a second internal thread counter bore of the fan-shaped section frame on the base according to the size of the drawing through the structure and the size of the fan-shaped section frame. The distance between the left side surface and the right side surface is 164 (+ 0.02 \) mm, the symmetry degree of the left side surface and the right side surface is 0.02mm, the distance between the top detection surface and the bottom plate lower bottom surface is 324.2 (+ 0.02 \) mm after the centering precision detection support is manufactured, and the centering precision detection support is installed on the base and is provided with the positioning pin and the connecting bolt; and then hoisting the fan-shaped section frame pre-installed with the rollers to the base, and aligning and installing the plywood and the base by the fan-shaped section frame. And detecting gaps from the left and right roll surfaces to the two side surfaces of the centering precision detection bracket and gaps from the upper roll surface to the upper top surface of the centering precision detection bracket by using a feeler gauge, and recording data. And (3) detaching the fan-shaped section frame from the base, and adjusting the gaps between the rollers at the two sides and the rollers at the upper side by increasing or decreasing the gaskets according to the recorded data so as to meet the requirements of the inspection outline. The device can conveniently and quickly detect the gap and the centering precision of the continuous casting fan-shaped roller, shortens the assembling and detecting period of the fan-shaped roller, and is simple in structure, safe and reliable.
The utility model has the advantages and positive effects that:
the utility model adopts a brand-new technical proposal, compared with the prior art, the roller centering precision of the continuous casting sector section can be conveniently detected and adjusted, the detection precision is high, and the flatness error of the measuring reference is in the range of-0.02- +0.02 mm; the centering precision detection support is formed by welding common carbon steel plates, so that the manufacturing cost is low; the assembling and detecting period of the roller at the sector section is shortened, the structure is simple, the safety and the reliability are realized, a large amount of labor force is saved, and the production efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a continuous casting segmental roller precision detection device provided by an embodiment of the invention;
fig. 2 is a schematic view of a use state of the continuous casting segmental roller precision detecting device provided by the embodiment of the invention.
In the figure: 1. a sector segment roller precision detection device; 11. a base; 12. a left steel plate; 13. an intermediate steel plate; 14. a right steel plate; 15. a connecting bolt; 16. a base plate; 17. positioning pins; 2. a segment frame.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
examples
Referring to fig. 1 and 2, an embodiment of the present invention provides a continuous casting segment roller precision detection device, which includes a base and a centering precision detection support, wherein the centering precision detection support is formed by assembling and welding a left steel plate, a right steel plate, a middle steel plate and a bottom plate, the left steel plate and the right steel plate are respectively welded on the left side and the right side of the upper portion of the middle steel plate, the bottom end of the middle steel plate is welded on the bottom plate, and the bottom plate is installed in the middle of the base; the top surface of the base is provided with a handle surface connected with the bottom plate and the fan-shaped section frame, and the lower surface of the bottom plate and the handle surface of the base are positioned on the same horizontal plane; the height of the top surface of the left steel plate and the height of the top surface of the right steel plate are greater than or equal to the height of the top surface of the middle steel plate, and the top surfaces of the left steel plate and the right steel plate are positioned on the same horizontal plane; the left side face of the left steel plate and the right side face of the right steel plate are vertical faces, and the left side face of the left steel plate and the right side face of the right steel plate are parallel and symmetrical.
The flatness errors of the joint surface of the base, the lower surface of the bottom plate, the top surface of the left steel plate, the left side surface of the left steel plate, the top surface of the right steel plate and the right side surface of the right steel plate are all in the range of-0.02 to +0.02mm, and the joint surface and the connecting holes of each plane, the joint surface and the connecting holes of the base, which are used as detection references, of the centering precision detection support are machined by a numerical control machine according to the numerical requirement of an inspection outline, so that the machining precision is high, and the errors are small. In the embodiment, the length and the width of the bottom plate are the same as those of the bottom plate of the fan-shaped section frame, and the width of the combining surface of the base is about 1mm larger than that of the bottom plate of the fan-shaped section frame.
The base plate is provided with a positioning through hole and a threaded through hole, correspondingly, a first positioning counter bore matched with the positioning through hole and a first internal thread counter bore matched with the threaded through hole are formed in the middle of the joint of the base, and the base plate is installed on the base through a positioning pin and a connecting bolt. And the left side and the right side of the joint of the base are respectively provided with a second positioning counter bore and a second internal thread counter bore which are used for being connected with the fan-shaped section frame, so that the fan-shaped section frame is also fixed on the base in the same mounting mode as the centering precision detection support.
The base is cast iron square chest, and processing is convenient, and is with low costs, and cast iron itself has the shock attenuation, the effect of preapring for an unfavorable turn of events shape, can improve fan-shaped section roller and detect the precision.
The utility model discloses a concrete working process as follows:
step one, mounting a machined centering precision detection support at a corresponding position in the middle of a base through an outer hexagonal connecting bolt and a positioning pin;
step two, mounting the fan-shaped section frame provided with the rollers at corresponding positions on two sides of the base;
thirdly, detecting the gap between the upper and lower positions of the roll surface of the left roller and the left steel plate by using a feeler gauge, and recording data;
step four, detecting the gap between the upper and lower positions of the roll surface of the right roller and the right steel plate by using a feeler gauge, and recording data;
and step five, detecting the gaps between the left and right positions of the roll surface of the upper roll and the top surfaces of the left steel plate and the right steel plate by using a feeler gauge, and recording data.
And comparing the measured data with the required values of the inspection outline, and properly increasing or decreasing the gaskets for adjustment to sequentially finish the precision detection of all the segmental rollers.
The utility model can quickly detect the gaps at the two sides of the roller by using the continuous casting fan-shaped roller precision detection device, thereby improving the assembly efficiency; the centering precision of the roller at the sector section can be accurately detected, so that the centering precision meets the requirements of drawings and inspection outlines.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (5)
1. The device for detecting the precision of the roller at the continuous casting fan-shaped section is characterized by comprising a base and a centering precision detection support, wherein the centering precision detection support is formed by assembling and welding a left steel plate, a right steel plate, a middle steel plate and a bottom plate;
the top surface of the base is provided with a handle surface connected with the bottom plate and the fan-shaped section frame, and the lower surface of the bottom plate and the handle surface of the base are positioned on the same horizontal plane; the height of the top surface of the left steel plate and the height of the top surface of the right steel plate are greater than or equal to the height of the top surface of the middle steel plate, and the top surfaces of the left steel plate and the right steel plate are positioned on the same horizontal plane; the left side face of the left steel plate and the right side face of the right steel plate are vertical faces, and the left side face of the left steel plate and the right side face of the right steel plate are parallel and symmetrical.
2. The continuous casting segment roll accuracy detecting device according to claim 1, wherein flatness errors of a grip surface of the base, a lower surface of the bottom plate, a top surface of the left steel plate, a left side surface of the left steel plate, a top surface of the right steel plate, and a right side surface of the right steel plate are all in a range of-0.02 to +0.02 mm.
3. The continuous casting sector segment roller precision detection device according to claim 1, characterized in that the bottom plate is provided with a positioning through hole and a threaded through hole, correspondingly, the base is provided with a positioning counter bore I matched with the positioning through hole and an internal thread counter bore I matched with the threaded through hole in the middle of a joint surface, and the bottom plate is mounted on the base through a positioning pin and a connecting bolt.
4. The continuous casting fan-shaped section roller precision detection device according to claim 1 or 3, characterized in that the left side and the right side of the base at the joint face are respectively provided with a second positioning counter bore and a second internal thread counter bore which are used for being connected with a fan-shaped section frame.
5. The apparatus according to claim 1, wherein the base is a cast iron square box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655974.XU CN218349368U (en) | 2022-06-28 | 2022-06-28 | Continuous casting fan-shaped section roller precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655974.XU CN218349368U (en) | 2022-06-28 | 2022-06-28 | Continuous casting fan-shaped section roller precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218349368U true CN218349368U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221655974.XU Active CN218349368U (en) | 2022-06-28 | 2022-06-28 | Continuous casting fan-shaped section roller precision detection device |
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| CN (1) | CN218349368U (en) |
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2022
- 2022-06-28 CN CN202221655974.XU patent/CN218349368U/en active Active
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