CN216745437U - Sintering machine trolley - Google Patents
Sintering machine trolley Download PDFInfo
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- CN216745437U CN216745437U CN202122633376.4U CN202122633376U CN216745437U CN 216745437 U CN216745437 U CN 216745437U CN 202122633376 U CN202122633376 U CN 202122633376U CN 216745437 U CN216745437 U CN 216745437U
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Abstract
The utility model belongs to the technical field of sintering machines. A sintering machine trolley comprises two parallel main beams, side beams are arranged on the outer sides of the main beams at intervals, end beams are arranged at two ends of the main beams and the side beams respectively, and rollers are arranged on the outer sides of the end beams; the anti-fracture device is characterized in that the anti-fracture device is arranged on the inner wall of the middle side beam and is positioned between the adjacent second rib plates. The utility model aims to provide a sintering machine trolley, which is used for solving the technical problem that a side beam is broken in the operation process of the existing sintering machine trolley.
Description
Technical Field
The utility model belongs to the technical field of sintering machines, and particularly relates to a trolley of a sintering machine.
Background
The sintering machine trolley is a main operation part of a sintering machine and mainly has the functions of forming an operation rotary chain between head wheels and tail wheels of the sintering machine, receiving sintering mixed materials in the upper horizontal section, returning to the head wheels after preheating ignition, sintering, cooling and material turnover, and forming transmission circulation to achieve the purpose of sintering the materials.
As shown in figure 1, the sintering pallet comprises 4 longitudinal iron beams, a ribbed plate is arranged in the middle of the sintering pallet for connection, the section thickness of 2 main beams in the middle is large, the section thickness of 2 side beams on two sides is small, and the whole structure is integrally cast. The temperature of the sintered ore mass on the furnace bar is about 1100-1200 ℃ in the heating process of the trolley, after the trolley is used for a period of time, the side beams on the two sides of some trolleys are broken, the fracture is positioned at the position close to the connecting rib plate, and the breaking direction is approximately vertical to the cast iron beam.
The existing repair method adopts arc welding with arc welding, wherein the welding position is vertical welding and direct current reverse welding. But the fracture is broken at the original fracture after being put into use after being repaired, the effect is not ideal, and the fracture repairing difficulty of the second fracture is higher, see the easy-to-break parts I and II in the attached figure 1 of the specification.
Chinese utility model patent publication No. CN202066366U, publication No. 2011, 12/month No. 07 discloses a sintering machine pallet, including: the trolley body is internally provided with a heat insulation piece and a grate bar positioned above the heat insulation piece; the trolley breast boards are arranged on two sides of the trolley body; the bottom of the trolley body is provided with a sealing plate through a sealing plate mounting component, and the inner side surface of the sealing plate is in contact with the outer side surface of the wind-shield wall at the top of the air box. Adopt above-mentioned structure closing device, there are following technical problem equally: after the trolley is used for a period of time, the side beams on the two sides of the trolley are broken, the fracture is located at the position close to the connecting rib plate, and the breaking direction is approximately vertical to the cast iron beam.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sintering machine trolley, which is used for solving the technical problem that a side beam is broken in the operation process of the existing sintering machine trolley.
In order to solve the technical problem, the utility model adopts the following technical scheme: a sintering machine trolley comprises two parallel main beams, side beams are arranged on the outer sides of the main beams at intervals, end beams are arranged at two ends of the main beams and the side beams respectively, and rollers are arranged on the outer sides of the end beams; the anti-fracture device is characterized in that the anti-fracture device is arranged on the inner wall of the middle side beam and is positioned between the adjacent second rib plates.
Before the sintering machine trolley is put into use, the anti-fracture device is additionally arranged in the middle of the easy-to-fracture side beam, so that the service life of the sintering machine trolley can be effectively prolonged, and the time for the side beam of the sintering machine trolley to fracture is prolonged.
In order to solve the technical problem of the optimal installation position of the anti-fracture device, the utility model adopts the following technical scheme: the anti-fracture device is adjacent to the second rib.
The anti-breaking device is arranged at the position close to the connecting rib plate because the side beam is often broken and broken at the position, and the position is the optimal mounting position of the anti-breaking device.
In order to solve the technical problem of the structure of the anti-fracture device, the utility model adopts the following technical scheme: anti fracture device includes that L shape bends, first curb plate, the second curb plate that a both sides set up that bends of L shape, and the horizontal part of the L shape piece of bending passes through the connecting piece rigid coupling with the lower flange of curb girder, and L shape is bent vertical portion and middle part curb girder inner wall and is compressed tightly the cooperation.
In order to further improve the connection between the L-shaped bending piece vertical part and the inner wall of the middle side beam, the L-shaped bending piece vertical part, the end part of the L-shaped bending piece vertical part and the inner wall of the middle side beam are welded in a spot welding mode.
The anti-fracture device is designed into 3 components, the structure is simple, the processing is convenient, the cost is low, the anti-fracture device is arranged on the lower flange of the side beam through the connecting piece, meanwhile, the vertical part of the L-shaped bending piece is tightly pressed on the side beam, the thickness of the middle part of the side beam is increased, and the thickness of a weak link is increased, so that the technical problem that the side beam is fractured due to tensile stress generated by expansion with heat and contraction with cold is solved.
In order to solve the technical problem of how to fix the anti-fracture device on the side beam, the utility model adopts the following technical scheme: the horizontal part of the L-shaped bending piece is provided with a first connecting hole;
and the lower flange of the side beam is provided with a second connecting hole, and the first connecting hole and the second connecting hole are internally provided with a connecting bolt, so that the anti-fracture device is fixedly connected with the lower flange of the side beam.
The lower flange is used for fixing the anti-fracture device, so that holes in the side beam are avoided, the performance of the side beam is not affected, the L-shaped bending piece can press the side wall of the side beam tightly, and the side beam is delayed from being fractured.
In order to solve the technical problem of the shape of the first connecting hole, the utility model adopts the following technical scheme: the first connecting hole is a round hole or a waist-shaped hole. The round hole is convenient to process, the waist-shaped hole can be adjusted according to the use working condition, and the application range is wide.
In order to solve the technical problem that the running of the trolley is influenced by the fact that the connecting piece is exposed out of the anti-fracture device and the side beam, the utility model adopts the following technical scheme: the first connecting hole is of a counter bore structure and comprises a first conical hole and a first cylindrical hole which are arranged from top to bottom, and the connecting piece can be hidden in the first conical hole to ensure normal operation of the trolley.
In order to solve the technical problem that the running of the trolley is influenced by the fact that the connecting piece is exposed out of the anti-fracture device and the side beam, the utility model adopts the following technical scheme: the second connecting hole is of a counter bore structure and comprises a second cylindrical hole and a second tapered hole which are arranged from top to bottom, and the connecting piece can be hidden in the second tapered hole to guarantee normal operation of the trolley.
In order to solve the technical problem of uneven connection strength between the main side beams, the utility model adopts the following technical scheme: the first rib plates and the second rib plates are arranged in a staggered mode, so that the connection strength between the main side beams is improved, the stress is uniform, and the heating and cooling are uniform.
In order to solve the technical problem that the connection between the end beam and the breast board is not firm, the utility model adopts the following technical scheme: the inner side edge of the end beam top plate is of a step structure, the end beam top plate is provided with a breast board plug hole, and the end beam is provided with a breast board connecting ring. Through the cooperation of the step structure, the plug hole and the connecting ring, the end beam and the breast board are ensured to be firmly connected.
In order to solve the technical problem of large difference of the cold and hot circulation of the upper flange and the lower flange, the utility model adopts the following technical scheme: the width of the upper flange of the main beam is larger than that of the lower flange of the main beam, the rigidity of the upper flange is higher, the heating temperature is high from the upper flange to the lower flange during operation, and the difference of the cold and hot circulation of the upper flange and the lower flange is not large.
The utility model is further improved, and the width of the upper flange of the side beam is smaller than that of the lower flange of the side beam.
Drawings
FIG. 1 is a schematic structural view of a conventional pallet for a sintering machine;
FIG. 2 is a schematic structural view of a sintering pallet of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a first schematic view of the anti-fracture device of the pallet for a sintering machine according to the present invention;
FIG. 5 is a second schematic view of the fracture-resistant assembly of the pallet for a sintering machine of the present invention;
FIG. 6 is a side view of the sinter machine trolley of the utility model (without end beams);
fig. 7 is an enlarged view of B of fig. 6 according to the present invention.
Detailed Description
Example 1
As shown in fig. 2, the sintering pallet comprises a main beam 1, side beams 2, end beams 3, rib plates 4, rollers 5 and an anti-breaking device 6.
The main beam 1 comprises a first main beam 10 and a second main beam 11. The side members 2 include first and second side members 20 and 21. The end beam 3 comprises a first end beam 30, a second end beam 31. The ribs 4 include a first rib 40, a second rib 41, and a third rib 42. The roller 5 includes a first roller 51, a second roller 52, a third roller (not shown), and a fourth roller (not shown).
The first main beam 10 and the second main beam 11 are connected through uniformly distributed first rib plates 40. The first main beam 10 and the first side beam 20 are connected by uniformly distributed second rib plates 41. The second main beam 11 is connected with the second side beam 21 through uniformly distributed third rib plates 42. The first ribs 40, the second ribs 41, and the third ribs 42 are arranged alternately.
The two ends of the main beam 1 and the side beam 2 are respectively provided with a first end beam 30 and a second end beam 31, and the outer side of the first end beam is provided with a first roller 51 and a second roller 52. A third roller (not shown) and a fourth roller (not shown) are disposed outside the second end beam 31.
A first anti-fracture device is arranged on the inner wall of the middle first side beam 20, and the first anti-fracture device is located between the adjacent second rib plates. A second anti-breaking device is arranged on the inner wall of the middle of the second side beam 21 and located between the adjacent second rib plates or third rib plates.
As shown in fig. 4 and 5, the fracture-resistant device 6 includes an L-shaped bending piece 60, a first side plate 61 and a second side plate 62 disposed on two sides of the L-shaped bending piece. The horizontal part of the L-shaped bending piece is fixedly connected with the lower flange of the side beam through a connecting piece, and the vertical part of the L-shaped bending piece is in press fit with the inner wall of the middle side beam.
The horizontal part of the L-shaped bending piece is provided with a first connecting hole which is a round hole 601 or a waist-shaped hole 601'. And a second connecting hole 201 is formed in the lower flange of the side beam, and a connecting bolt is arranged in the first connecting hole and the second connecting hole, so that the anti-fracture device is fixedly connected with the lower flange of the side beam.
The anti-fracture device is designed into 3 components, the structure is simple, the processing is convenient, the cost is low, the anti-fracture device is arranged on the lower flange of the side beam through the connecting piece, meanwhile, the vertical part of the L-shaped bending piece is tightly pressed on the side beam, the thickness of the middle part of the side beam is increased, and the thickness of a weak link is increased, so that the technical problem that the side beam is fractured due to tensile stress generated by expansion with heat and contraction with cold is solved.
Example 2
The difference from example 1 is: as shown in fig. 6 and 7, the first connection hole adopts a counter bore structure, and includes a first tapered hole and a first cylindrical hole arranged from top to bottom. The second connecting hole 201 is of a counter bore structure and comprises a second cylindrical hole 2010 and a second conical hole 2011 which are arranged from top to bottom. The nuts, the screw rods and the screw caps of the connecting bolts can be hidden in the conical holes, and the normal operation of the trolley is guaranteed.
Example 3
The difference from example 2 is: the edge of the inner side of the top plate of the end beam 30 is of a step structure 301, a fence plug hole 302 is arranged on the top plate of the end beam, and a fence connecting ring 303 is arranged on the end beam. Through the cooperation of the step structure, the plug hole and the connecting ring, the end beam and the breast board are ensured to be firmly connected.
The width of the upper flange of the main beam is larger than that of the lower flange of the main beam, the rigidity of the upper flange is higher, the heating temperature is high from the upper flange to the lower flange during operation, and the difference of the cold and hot circulation of the upper flange and the lower flange is not large. The width of the upper flange of the side beam is smaller than that of the lower flange of the side beam.
Claims (10)
1. A sintering machine trolley comprises two parallel main beams, side beams are arranged on the outer sides of the main beams at intervals, end beams are arranged at two ends of the main beams and the side beams respectively, and rollers are arranged on the outer sides of the end beams; the anti-fracture device is characterized in that the anti-fracture device is arranged on the inner wall of the middle side beam and is positioned between the adjacent second rib plates.
2. The sintering pallet of claim 1, wherein the anti-fracture device is proximate to the second rib.
3. The sintering machine trolley according to claim 1 or 2, wherein the fracture-resistant device comprises an L-shaped bent piece, a first side plate and a second side plate which are arranged on two sides of the L-shaped bent piece, a horizontal part of the L-shaped bent piece is fixedly connected with a lower flange of the side beam through a connecting piece, and a vertical part of the L-shaped bent piece is in press fit with the inner wall of the middle side beam.
4. The pallet of claim 3, wherein the horizontal portion of the L-shaped bent piece is provided with a first connecting hole;
and the lower flange of the side beam is provided with a second connecting hole, and the first connecting hole and the second connecting hole are internally provided with a connecting bolt, so that the anti-fracture device is fixedly connected with the lower flange of the side beam.
5. A sinter machine trolley according to claim 4, wherein the first connection hole is a round hole or a kidney-shaped hole.
6. The trolley for the sintering machine as claimed in claim 4, wherein the first connecting hole is of a counter bore structure and comprises a first conical hole and a first cylindrical hole which are arranged from top to bottom.
7. The trolley for the sintering machine as claimed in claim 4, wherein the second connecting hole is of a counter bore structure and comprises a second cylindrical hole and a second conical hole which are arranged from top to bottom.
8. The sintering pallet according to claim 1, wherein the first ribs and the second ribs are staggered.
9. The sintering pallet as claimed in claim 1, wherein the end beam has a step structure at the inner edge of the top plate, the top plate of the end beam is provided with a breast board plug hole, and the end beam is provided with a breast board connecting ring.
10. The sintering pallet according to claim 1, wherein the width of the upper flange of the main beam is greater than the width of the lower flange of the main beam, and the width of the upper flange of the side beam is less than the width of the lower flange of the side beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122633376.4U CN216745437U (en) | 2021-10-31 | 2021-10-31 | Sintering machine trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122633376.4U CN216745437U (en) | 2021-10-31 | 2021-10-31 | Sintering machine trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216745437U true CN216745437U (en) | 2022-06-14 |
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ID=81925204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122633376.4U Active CN216745437U (en) | 2021-10-31 | 2021-10-31 | Sintering machine trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216745437U (en) |
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2021
- 2021-10-31 CN CN202122633376.4U patent/CN216745437U/en active Active
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