CN217808267U - Heating furnace roller replacing tool - Google Patents
Heating furnace roller replacing tool Download PDFInfo
- Publication number
- CN217808267U CN217808267U CN202221443896.7U CN202221443896U CN217808267U CN 217808267 U CN217808267 U CN 217808267U CN 202221443896 U CN202221443896 U CN 202221443896U CN 217808267 U CN217808267 U CN 217808267U
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- counterweight
- supporting frame
- roller
- frame
- furnace roller
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Abstract
The utility model relates to a heating furnace roller replacing tool belongs to steel rolling production auxiliary assembly technical field. Comprises a supporting frame, a counterweight and a hoisting chain; the counter weight is fixed with braced frame with removable mode, and the gross weight of counter weight is greater than the weight of stove roller, and hoist and mount chain both ends are connected with braced frame's both ends. The utility model discloses use with the overhead traveling crane cooperation, guarantee that the stove roller is in the horizontality all the time among the stove roller change process, can realize quick, the accurate change of stove roller in the heating furnace.
Description
The technical field is as follows:
the utility model relates to a heating furnace roller replacing tool belongs to steel rolling production auxiliary assembly technical field.
Background art:
on a horizontal furnace galvanizing line, strip steel is supported in a heating furnace by a furnace roller, and a furnace roller bearing seat is arranged on a steel structure of a furnace shell; when the furnace roller is replaced, bearing blocks and bearings on two sides of the furnace roller are required to be completely removed, the furnace roller is pulled out of the heating furnace shell by the guide chain, due to the fact that no special tool is provided, the maintenance process of replacing one furnace roller is complex, replacement time is about 6 hours, the roller surface of the furnace roller is easily scratched when a new furnace roller is installed by the guide chain in an online use mode, scratches on the lower surface of strip steel are caused, and degraded products are generated.
The utility model has the following contents:
the utility model aims to solve the technical problem that a heating furnace stove roller change instrument is provided, this instrument can realize quick dismantlement, the installation of stove roller with the overhead traveling crane cooperation, and operation process is safe, convenient.
The technical scheme for solving the technical problems is as follows:
a heating furnace roller replacing tool comprises a supporting frame, a balance weight and a hoisting chain; the counter weight is fixed with braced frame with removable mode, and the gross weight of counter weight is greater than the weight of stove roller, and hoist and mount chain both ends are connected with braced frame's both ends.
In the tool for replacing the furnace roller of the heating furnace, the support frame is of a cuboid structure, and the counterweight is connected with the cuboid support frame in a sliding or rolling manner.
The furnace roller replacing tool for the heating furnace comprises a counterweight, a counterweight support frame and a counterweight support frame, wherein the counterweight comprises a plurality of upper counterweight blocks and a lower counterweight support frame, the longitudinal section of the counterweight support frame is rectangular, the size of the counterweight support frame is matched with that of the longitudinal section of the support frame, and the support frame is positioned in the counterweight support frame and is in sliding connection with the counterweight support frame.
According to the heating furnace roller replacing tool, the counterweight comprises a plurality of upper counterweight blocks and a lower counterweight support frame, the longitudinal section of the counterweight support frame is rectangular, an even number of guide wheels are mounted on the upper edge and the lower edge of the inner side of the counterweight support frame, the support frame is located in the counterweight support frame, and the guide wheels are in rolling connection with the upper edge and the lower edge of the support frame.
According to the heating furnace roller replacing tool, the left side wall and the right side wall of the counterweight supporting frame are provided with the counterweight fixing bolts, and the counterweight fixing bolts are abutted to the supporting frame through the counterweight supporting frame side walls.
The furnace roller replacing tool for the heating furnace further comprises a roller fixing barrel arranged at one end of the supporting frame, the diameter of the roller fixing barrel is larger than that of a central shaft of the operating side of the roller shaft, a plurality of through screw holes are formed in the circumferential direction of the roller fixing barrel, and locking bolts are arranged in the through screw holes.
Foretell heating furnace stove roller change instrument, braced frame's both ends symmetry is equipped with 2 hoisted holes, and the both ends of hoist and mount chain are connected with 2 hoisted holes respectively.
The utility model discloses a use method does: when the furnace roller is replaced, the hoisting chain is hung on a lifting hook of a crown block, the central shaft at the operation side of the furnace roller is inserted and installed in the roller shaft fixing cylinder, the locking bolt is fastened, the circumferential direction of the central shaft of the furnace roller is fixed, and the complete fixation of the central shaft of the furnace roller and the roller shaft fixing cylinder is realized; moving the balance weight to a proper position of the supporting frame to ensure that the balance weight and the furnace roller are in a balanced state relative to the lifting hook, and at the moment, the furnace roller is in a horizontal state; the fixing bolts are screwed down to enable the front ends of the fixing bolts to tightly abut against the side wall of the supporting frame, so that the balance weight and the supporting frame are fixed, the crown block is operated to horizontally push the furnace roller into the heating furnace from the side mounting hole of the heating furnace, the furnace roller is always in a horizontal state in the process, and the crown block is moved to install the furnace roller at a specified position to complete replacement. The whole roll changing process is convenient to operate, the labor intensity of maintainers is reduced, and the roll changing time is shortened.
The utility model has the advantages that:
the utility model is used with the crown block, which ensures that the furnace roller is always in the horizontal state in the furnace roller replacement process, can realize the rapid and accurate replacement of the furnace roller in the heating furnace, and has safe and convenient operation process; can be popularized and applied in the field of replacement of horizontal furnace rollers in production lines of metallurgical industry.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the counterweight and counterweight support frame, the support frame;
labeled as: braced frame 1, counter weight 2, hoist and mount chain 3, stove roller 4, balancing weight 5, counter weight braced frame 6, leading wheel 7, counter weight fixing bolt 8, roller fixed cylinder 9, roller operation side center pin 10, locking bolt 11, hole for hoist 12, overhead traveling crane hook 13, flange 14.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Fig. 1 and fig. 2 show that the utility model relates to a heating furnace roller replacing tool, which comprises a cuboid supporting frame 1, a counterweight 2, a hoisting chain 3 and a roller shaft fixing cylinder 9; the counterweight 1 comprises a plurality of counterweight blocks 5 at the upper part and a counterweight supporting frame 6 at the lower part, the longitudinal section of the counterweight supporting frame 6 is rectangular, the size of the counterweight supporting frame 6 is matched with that of the longitudinal section of the supporting frame 1, 4 guide wheels 7 are symmetrically arranged at the upper and lower sides of the inner side of the counterweight supporting frame 6, the supporting frame 1 is positioned in the counterweight supporting frame 6, and the 4 guide wheels 7 are in rolling connection with the upper and lower sides of the supporting frame 1 to realize the left and right movement of the counterweight 2 on the supporting frame 1; the left side wall and the right side wall of the counterweight support frame 6 are symmetrically provided with 4 counterweight fixing bolts 8, and the counterweight fixing bolts 8 are abutted against the support frame 1 through the side wall of the counterweight support frame 6 to realize the fixation of the counterweight 2 and the support frame 1; one end of the roller shaft fixing cylinder 9 is of a square structure, the other end of the roller shaft fixing cylinder is of a cylindrical structure, the square end of the roller shaft fixing cylinder is fixedly connected with one end of the supporting frame 1 through a flange 14, the diameter of the cylindrical end is larger than that of a roller shaft operation side central shaft 10, the roller shaft operation side central shaft 10 can be ensured to be smoothly inserted into the cylinder, 3 through screw holes are formed in the circumferential side wall of the roller shaft fixing cylinder 9 at equal intervals, locking bolts 11 are installed, the roller shaft fixing cylinder 9 and the roller shaft operation side central shaft 10 can be fixed, and the fact that a roller shaft cannot move left and right after fixing is guaranteed; the total weight of the balance weight 2 is larger than that of the furnace roller 4;
fig. 1 shows that two ends of a supporting frame 1 are symmetrically provided with 2 hoisting holes 12, two ends of a hoisting chain 3 are respectively connected with the 2 hoisting holes 12, and the hoisting chain 3 is hooked through an overhead hook 13.
The utility model discloses a use method does: roller operation side center pin 10 runs through and installs in roller fixed cylinder 9, through three locking bolt 11 with furnace roller operation side center pin 10 and roller fixed cylinder 9 locking, hoist and mount chain 3 hangs on overhead crane hook 13, the both ends of hoist and mount chain 3 are connected with 2 hole for hoist 12 respectively, use the overhead traveling crane with furnace roller 4 with the utility model discloses hoist simultaneously, adjust the position of counter weight 2 on braced frame 1, the weight of balance furnace roller 4 makes furnace roller 4 be in the horizontality, fastens four counter weight fixing bolt 8 of 6 both sides faces of counter weight braced frame, fixes the position of counter weight 2, hoist and mount furnace roller 4 to the position that the furnace roller need be changed of heating furnace, slowly move and penetrate furnace roller 4 in the heating furnace casing mounting hole, continue balanced removal overhead traveling crane, wear out furnace roller 4 from the drive side mounting hole of heating furnace casing, at furnace roller 4 epaxial installation bearing and bearing frame, adjust the position of furnace roller 4, accomplish furnace roller 4 and change work.
When the furnace roller 4 is replaced by using the tool, the furnace roller 4 is always kept horizontal, the furnace roller 4 is horizontally pushed into the heating furnace from a mounting hole on the side surface of the heating furnace, the furnace roller 4 is mounted at a specified position by a movable crown block, the whole roller replacing process is convenient to operate, the labor intensity of maintainers is reduced, and the roller replacing time is shortened.
Claims (7)
1. The utility model provides a heating furnace stove roller change instrument which characterized in that: comprises a supporting frame (1), a counterweight (2) and a hoisting chain (3); the balance weight (2) is fixed with the supporting frame (1) in a detachable mode, the total weight of the balance weight (2) is larger than the weight of the furnace roller (4), and two ends of the hoisting chain (3) are connected with two ends of the supporting frame (1).
2. The heat furnace roller changing tool according to claim 1, wherein: the support frame (1) is of a cuboid structure, and the counterweight (2) is connected with the cuboid support frame (1) in a sliding or rolling manner.
3. The heating furnace roller changing tool according to claim 1, wherein: counterweight (2) are including a plurality of balancing weights (5) on upper portion and counterweight braced frame (6) of lower part, and the longitudinal section of counterweight braced frame (6) is the rectangle, and its size and braced frame (1) longitudinal section's size phase-match, braced frame (1) are located counterweight braced frame (6) in with counterweight braced frame (6) sliding connection.
4. The heat furnace roller changing tool according to claim 1, wherein: the counterweight (2) comprises a plurality of counterweight blocks (5) on the upper portion and a counterweight supporting frame (6) on the lower portion, the longitudinal section of the counterweight supporting frame (6) is rectangular, an even number of guide wheels (7) are mounted at the upper side and the lower side of the inner side of the counterweight supporting frame (6), the supporting frame (1) is located in the counterweight supporting frame (6), and the guide wheels (7) are in rolling connection with the upper side and the lower side of the supporting frame (1).
5. The heat furnace roller exchanging tool according to claim 3 or 4, wherein: the left side wall and the right side wall of the counterweight supporting frame (6) are provided with counterweight fixing bolts (8), and the counterweight fixing bolts (8) are abutted to the supporting frame (1) through the side wall of the counterweight supporting frame (6).
6. The heating furnace roller changing tool according to claim 1 or 2, wherein: the roller fixing device is characterized by further comprising a roller fixing barrel (9) installed at one end of the supporting frame (1), the diameter of the roller fixing barrel (9) is larger than that of a roller operation side central shaft (10), a plurality of through screw holes are formed in the circumferential side wall of the roller fixing barrel (9), and locking bolts (11) are installed in the through screw holes.
7. The heating furnace roller changing tool according to claim 1, wherein: the two ends of the supporting frame (1) are symmetrically provided with 2 hoisting holes (12), and the two ends of the hoisting chain (3) are respectively connected with the 2 hoisting holes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221443896.7U CN217808267U (en) | 2022-06-10 | 2022-06-10 | Heating furnace roller replacing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221443896.7U CN217808267U (en) | 2022-06-10 | 2022-06-10 | Heating furnace roller replacing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217808267U true CN217808267U (en) | 2022-11-15 |
Family
ID=83989379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221443896.7U Active CN217808267U (en) | 2022-06-10 | 2022-06-10 | Heating furnace roller replacing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217808267U (en) |
-
2022
- 2022-06-10 CN CN202221443896.7U patent/CN217808267U/en active Active
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