CN220145048U - Equipment capable of preheating and repairing roller surface of grinding roller - Google Patents
Equipment capable of preheating and repairing roller surface of grinding roller Download PDFInfo
- Publication number
- CN220145048U CN220145048U CN202321057790.8U CN202321057790U CN220145048U CN 220145048 U CN220145048 U CN 220145048U CN 202321057790 U CN202321057790 U CN 202321057790U CN 220145048 U CN220145048 U CN 220145048U
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- China
- Prior art keywords
- fuel pipe
- grinding roller
- frame
- repairing
- connecting beam
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000000446 fuel Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000008439 repair process Effects 0.000 claims abstract description 14
- 230000008263 repair mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000005253 cladding Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of welding equipment, and particularly relates to equipment capable of preheating and repairing the roller surface of a grinding roller. The device comprises a heating mechanism, a repairing mechanism and a frame, wherein the repairing mechanism is arranged at the top of the frame, the heating mechanism is arranged at the bottom of the frame and comprises a bracket, a flame gun, a supporting ring, a fuel pipe and an air inlet pipe, the bottom of the bracket is fixed on the frame, the top of the bracket is provided with a cross beam, the supporting ring is arranged on the cross beam, the fuel pipe passes through the supporting ring, the supporting ring supports the fuel pipe, the flame gun is fixed on the side wall of the fuel pipe, and the air inlet pipe of the fuel pipe is communicated with the fuel pipe. The side face of the grinding roller can be preheated by the heating mechanism, then the grinding roller rotates to the top to repair the welding, the repair of the top can be performed while the side face is preheated, and the working efficiency is improved. The roller surface repairing device is convenient to use and suitable for repairing the roller surface in a small space.
Description
Technical Field
The utility model belongs to the technical field of welding equipment, and particularly relates to equipment capable of preheating and repairing the roller surface of a grinding roller.
Background
After the operations of grinding rolls, four-roll-breaking and the like of the coal mill reach a certain time, the surfaces are worn, the materials can be additionally manufactured in a build-up welding mode, then the materials are machined, the original size is recovered, large welding stress can be generated when the roll surface with large thickness and diameter is built-up, the welding residual stress is also large, and the welding stress easily causes the cladding layer of the high-hardness wear-resistant material of the roll surface to peel off or the roll surface to directly burst; in operation, if the residual stress is not removed, the grinding roll working load is superposed with the residual stress, which can lead to peeling of the cladding layer of the high-hardness wear-resistant material of the surface overlaying or direct explosion of the surface of the roll. Therefore, before the surfacing operation, the roller surface needs to be preheated, and the surfacing operation can be performed after a certain temperature is reached. During repair welding, the position of the build-up welding is required to be turned to the highest point so as to prevent the molten coating from flowing downwards before solidification. In the prior art, a heating furnace is adopted for heating to ensure that the temperature of the roller surface is high, the roller surface needs to be transported back and forth, a machine tool is assembled and disassembled, and potential safety hazards exist; particularly, the on-line overlaying operation is more incapable of being heated by a heating furnace.
Disclosure of Invention
The utility model provides equipment capable of preheating and repairing the roller surface of a grinding roller, which can realize on-line repairing, and simultaneously perform preheating and repairing, so that the working efficiency is improved.
The utility model solves the technical problems through the following technical proposal,
the utility model provides a can preheat and prosthetic equipment to grinding roller roll surface, includes heating mechanism, repairing mechanism and frame, repairing mechanism sets up the top of frame, heating mechanism sets up the bottom of frame, heating mechanism includes support, flame gun, holding ring, fuel pipe and intake pipe, and the bottom of support is fixed in the frame, the top of support sets up the crossbeam, and the holding ring sets up on the crossbeam, the fuel pipe passes the holding ring, the holding ring supports the fuel pipe, the flame gun is fixed on the lateral wall of fuel pipe, the intake pipe of fuel pipe with the fuel pipe intercommunication.
Above-mentioned equipment that can preheat and restore to grinding roller roll surface, repair mechanism includes a supporting beam, base, welder, linear guide, slider and actuating mechanism, the supporting beam is established the top of frame, be provided with linear guide on the supporting beam, linear guide's trend is parallel with the axial of grinding roller, and the one end of slider is in linear guide, the back of base is connected with the other end of slider, actuating mechanism includes lead screw and step motor, the middle part of slider is equipped with the screw with the lead screw complex, the lead screw drives the slider and moves on linear guide, and step motor drives the lead screw and rotates, welder is fixed on the base, welder is located the top of grinding roller.
Above-mentioned equipment that can preheat and restore grinding roller roll surface, be equipped with left tie-beam and right tie-beam on the support, be equipped with adjustment mechanism between left tie-beam and the right tie-beam, left tie-beam is hollow structure, adjustment mechanism includes guide slot, guide block and locking bolt, the guide slot is established in the left tie-beam, the left end at right tie-beam is established to the guide block, the guide block is inserted in the guide slot, be equipped with the locking screw on the left tie-beam, the one end of locking bolt passes the lateral wall that the locking screw supported the guide block.
The equipment capable of preheating and repairing the roller surface of the grinding roller is characterized in that the joint of the fuel pipe and the air inlet pipe is connected through the through joint, the flame gun is provided with a plurality of flame guns, and the gun heads of the flame guns face the side surface of the grinding roller.
Compared with the prior art, the utility model can repair the grinding roller of the coal mill after the grinding roller is lifted. The flame heating may be performed at the lower or side ends of the grinding rolls. Then the device rotates to the top to repair the repair welding, so that the repair of the top can be realized while the side surface is preheated, and the working efficiency is improved. The roller surface repairing device is convenient to use and suitable for repairing the roller surface in a small space. Compared with heating by a heating furnace, the heating furnace has the advantages of low investment cost, reduced transportation, loading and unloading, convenient operation and wider use environment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the drive mechanism;
FIG. 3 is a schematic view of the structure of the adjustment mechanism of the present utility model;
the reference symbols in the drawings indicate: 1. the flame gun comprises a frame, a bracket, a flame gun, a supporting ring, a fuel pipe, an air inlet pipe, a cross beam, a supporting beam, a base, a welding gun, a linear guide rail, a sliding block, a grinding roller, a lead screw, a stepping motor, a left connecting beam, a right connecting beam, a guide groove, a guide block, a locking bolt and a straight joint.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples serve to illustrate the utility model.
As shown in fig. 1 to 3, the utility model comprises a heating mechanism, a repairing mechanism and a frame 1, wherein the repairing mechanism is arranged at the top of the frame 1, the heating mechanism is arranged at the bottom of the frame 1, the heating mechanism comprises a bracket 2, a flame gun 3, a supporting ring 4, a fuel pipe 5 and an air inlet pipe 6, the bottom of the bracket 2 is fixed on the frame 1, a cross beam 7 is arranged at the top of the bracket 2, the supporting ring 4 is arranged on the cross beam 7, the fuel pipe 5 passes through the supporting ring 4, the supporting ring 4 supports the fuel pipe 5, the flame gun 3 is fixed on the side wall of the fuel pipe 5, and the air inlet pipe 6 of the fuel pipe 5 is communicated with the fuel pipe 5. The flame guns 3 are provided in a plurality, and the gun heads of the flame guns 3 face the side surfaces of the grinding rollers 13. In order to facilitate the installation and rotation of the fuel pipe 5, the connection of the fuel pipe 5 to the air inlet pipe 6 is connected by means of a through joint 21, fine adjustment of the fuel pipe 5 being possible so that the flame gun 3 is directed to the side of the grinding roller 13. When repairing is needed, the equipment is placed at a proper position above the grinding disc only by the requirement, the top surface of the grinding roller 13 is positioned below the repairing equipment, the side surface of the grinding roller 13 is opposite to the muzzle of the flame gun 3, the flame gun 3 burns and heats the side wall of the grinding roller 13, after the proper temperature is reached, the side surface of the heated grinding roller 13 is rotated to the top, the repairing mechanism repairs the grinding roller 13, meanwhile, the grinding roller 13 rotated to the muzzle continues to be heated, after the heating is completed, the grinding roller 13 continues to be rotated upwards to the top, and the repairing mechanism repairs. The inconvenience of heating the hot blast stove is avoided; meanwhile, the equipment can realize simultaneous heating and repair, and improves the working efficiency.
Further, repairing mechanism includes a supporting beam 8, a base 9, welder 10, linear guide 11, slider 12 and actuating mechanism, a supporting beam 8 establishes the top of frame 1, be provided with linear guide 11 on the supporting beam 8, the one end of slider 12 is in linear guide 11, the back of base 9 is connected with the other end of slider 12, actuating mechanism includes lead screw 14 and step motor 15, slider 12's middle part is equipped with the screw with lead screw complex, lead screw 14 drives slider 12 and moves on linear guide 11, step motor 15 drives the lead screw and rotates, welder 10 is fixed on the base 9, welder 10 is located the top of grinding roller 13. The linear guide 11 runs parallel to the axial direction of the grinding roller 13. The screw rod is driven to rotate by the stepping motor 15, and the sliding block 12 can move on the linear guide rail 11, so that the transverse movement of the welding gun 10 is realized, and the welding gun 10 can be moved to a proper position on the top surface of the grinding roller 13 for repair welding.
In order to adjust the width of heating, be equipped with left tie-beam 16 and right tie-beam 17 on the support 2, be equipped with adjustment mechanism between left tie-beam 16 and the right tie-beam 17, left tie-beam 16 is hollow structure, adjustment mechanism includes guide slot 18, guide block 19 and locking bolt 20, guide slot 18 establishes in the left tie-beam 16, guide block 19 establishes the left end at right tie-beam 17, guide block 19 inserts in the guide slot 18, be equipped with the locking screw on the left tie-beam 16, the one end of locking bolt 20 passes the locking screw supports the lateral wall of guide block 19. The distance between the left connecting beam 16 and the right connecting beam 17 can be adjusted by adjusting the depth of the guide block 19 penetrating into the guide groove 18, so that the flame burning width can be adjusted, in order to match the adjustment of the distance between the left connecting beam 16 and the right connecting beam 17, the fuel pipe 5 can be provided with an extension pipe, the flame gun 3 is arranged on the extension pipe, and the extension pipe is communicated with the fuel pipe 5 when the extension is needed.
According to actual needs, a lifting mechanism can be arranged between the welding gun and the base, the lifting mechanism drives the welding gun to move up and down, and the height of the welding gun relative to the supporting beam can be adjusted.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (4)
1. The utility model provides a but online operation's grinding roller roll surface preheats repair facility, its characterized in that, including heating mechanism, repair mechanism and frame (1), repair mechanism sets up the top of frame (1), heating mechanism sets up the bottom of frame (1), heating mechanism includes support (2), flame rifle (3), support ring (4), fuel pipe (5) and intake pipe (6), and the bottom of support (2) is fixed on frame (1), the top of support (2) sets up crossbeam (7), and support ring (4) set up on crossbeam (7), fuel pipe (5) pass support ring (4), support ring (4) support fuel pipe (5), flame rifle (3) are fixed on the lateral wall of fuel pipe (5), intake pipe (6) of fuel pipe (5) with fuel pipe (5) intercommunication.
2. The online working grinding roller surface preheating repairing device according to claim 1, wherein the repairing mechanism comprises a supporting beam (8), a base (9), a welding gun (10), a linear guide rail (11), a sliding block (12) and a driving mechanism, the supporting beam (8) is arranged at the top of the frame (1), the linear guide rail (11) is arranged on the supporting beam (8), the trend of the linear guide rail (11) is parallel to the axial direction of the grinding roller (13), one end of the sliding block (12) is arranged in the linear guide rail (11), the back of the base (9) is connected with the other end of the sliding block (12), the driving mechanism comprises a screw (14) and a stepping motor (15), a screw hole matched with the screw is arranged in the middle of the sliding block (12), the screw (14) drives the sliding block (12) to move on the linear guide rail (11), the stepping motor (15) drives the screw (14) to rotate, the welding gun (10) is fixed on the base (9), and the welding gun (10) is arranged above the grinding roller (13).
3. The grinding roll surface preheating repair device capable of performing online operation according to claim 2, wherein a left connecting beam (16) and a right connecting beam (17) are arranged on the support (2), an adjusting mechanism is arranged between the left connecting beam (16) and the right connecting beam (17), the left connecting beam (16) is of a hollow structure, the adjusting mechanism comprises a guide groove (18), a guide block (19) and a locking bolt (20), the guide groove (18) is arranged in the left connecting beam (16), the guide block (19) is arranged at the left end of the right connecting beam (17), the guide block (19) is inserted in the guide groove (18), a locking screw hole is formed in the left connecting beam (16), and one end of the locking bolt (20) penetrates through the locking screw hole to abut against the side wall of the guide block (19).
4. A grinding roller surface preheating repair device capable of operating on line according to claim 3, characterized in that the connection of the fuel pipe (5) and the air inlet pipe (6) is connected through a through joint (21), the flame guns (3) are provided in a plurality, and the gun heads of the flame guns (3) face the side surface of the grinding roller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057790.8U CN220145048U (en) | 2023-05-06 | 2023-05-06 | Equipment capable of preheating and repairing roller surface of grinding roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057790.8U CN220145048U (en) | 2023-05-06 | 2023-05-06 | Equipment capable of preheating and repairing roller surface of grinding roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145048U true CN220145048U (en) | 2023-12-08 |
Family
ID=89007452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057790.8U Active CN220145048U (en) | 2023-05-06 | 2023-05-06 | Equipment capable of preheating and repairing roller surface of grinding roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145048U (en) |
-
2023
- 2023-05-06 CN CN202321057790.8U patent/CN220145048U/en active Active
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