CN220321996U - Heavy furnace bottom plate fixed knot constructs - Google Patents
Heavy furnace bottom plate fixed knot constructs Download PDFInfo
- Publication number
- CN220321996U CN220321996U CN202321957312.2U CN202321957312U CN220321996U CN 220321996 U CN220321996 U CN 220321996U CN 202321957312 U CN202321957312 U CN 202321957312U CN 220321996 U CN220321996 U CN 220321996U
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- bottom plate
- furnace bottom
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- fixing structure
- heavy duty
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- 229910000617 Mangalloy Inorganic materials 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses a heavy-duty trolley furnace bottom plate fixing structure, which comprises a trolley main body and a furnace bottom plate, wherein the upper surface of the trolley main body is provided with a groove, the furnace bottom plate is positioned in the groove, the depth of the groove is smaller than the height of the furnace bottom plate, expansion gaps I are formed around the groove and the furnace bottom plate, a plurality of positioning holes are formed in the furnace bottom plate, a plurality of fixing rods are arranged on the trolley main body, each fixing rod corresponds to one positioning hole, expansion gaps II are formed between the positioning holes and the fixing rods, and the groove and the fixing rods on the trolley main body are used for double positioning of the furnace bottom plate.
Description
Technical Field
The utility model belongs to the field of heating furnaces, and relates to a heavy-duty furnace bottom plate fixing structure.
Background
The heavy-duty trolley heating furnace is a national energy-saving type periodic operation trolley furnace, takes the combustion natural gas and the combustible gas as main fuels, and is used for quenching, annealing and aging of large-specification billets, forging stocks, high-chromium, high-manganese steel castings, grey cast iron castings, ductile iron castings, rollers, steel balls, crusher hammers, wear-resistant lining plates and heat treatment of various mechanical parts. The loading capacity is large, the productivity is high, the original furnace bottom plate is placed on the bearing surface of the trolley in a free state, the furnace bottom plate is used in the using process, the position of the furnace bottom plate is readjusted after the furnace bottom plate is used for several times due to the fact that the furnace bottom plate is displaced caused by loading and unloading workpieces and expansion with heat and contraction with cold, the production efficiency is seriously affected, and the falling danger of the furnace bottom plate is increased. The furnace floor of the bogie hearth furnace is usually fixed to the equipment by screw fixation or pin fixation during installation work.
For example, the utility model provides a platform truck stove bottom plate mounting structure for 202023136971.9, including platform truck main part, stove bottom plate, be provided with the stove bottom plate in the platform truck main part to the symmetry is provided with the threaded connection groove in the platform truck main part, and the symmetry is provided with circular recess on the stove bottom plate, runs through in the circular recess and is provided with the screw thread through groove, and screw thread connection is provided with the connection screw thread post in the screw thread through groove to the avris position integrated into one piece in screw thread through groove is provided with solid fixed ring, and this stove bottom plate's mounting structure makes the connection of stove bottom plate more stable, guarantees the normal operating of platform truck stove work, improves work efficiency.
The above patent can realize the effect of fixed furnace bottom plate, but this structure installation is complicated to heavy trolley furnace bottom plate, and heavy trolley furnace bottom plate area is big, and the long-time use heavy trolley furnace bottom plate warp great, can lead to its deformation to screw thread post serious extrusion to lose the fixed effect.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a heavy-duty furnace bottom plate fixing structure which is convenient to install, double-relocates the furnace bottom plate, remarkably improves the stability of the furnace bottom plate, structurally improves the uniformity of heating and solves the problems in the prior art.
The technical scheme of the utility model is as follows:
in order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a heavy trolley furnace bottom plate fixed knot constructs, includes platform truck main part, stove bottom plate, platform truck main part upper surface is provided with the recess, makes the stove bottom plate is in the recess, the recess degree of depth is less than stove bottom plate height, the recess with there is expansion clearance one stove bottom plate all around, a plurality of locating holes of seting up on the stove bottom plate, set up a plurality of dead bars in the platform truck main part, every the dead bar corresponds one the locating hole, the locating hole with there is expansion clearance two between the dead bar.
Optionally, the furnace bottom plate is divided into a plurality of same small furnace bottom plate blocks, and an expansion gap III is arranged between two adjacent small furnace bottom plate blocks.
Optionally, each small furnace bottom plate is provided with a plurality of stacks.
Optionally, a distance is reserved between two adjacent strip stacks, the length of each strip stack is the same as that of each small furnace bottom plate, the cross section of each strip stack is rectangular, the length direction of the upper part of each strip stack is rounded, and the junction of each strip stack and each small furnace bottom plate is rounded.
Optionally, round holes I which are penetrated left and right are uniformly distributed on the side surface of the strip stack along the length direction, round holes II which are penetrated vertically through the whole strip stack are formed in the top surface of the strip stack, and the round holes II and the round holes I are staggered.
Optionally, each small furnace bottom plate is provided with four positioning holes, and the positioning holes are arranged between two adjacent strip stacks near the four corners of the small furnace bottom plate.
Optionally, the fixing bars are arranged in the positioning holes at intervals from left to right.
Optionally, the shape of the positioning hole is round or oval.
Optionally, the fixing rod and the material are stainless steel.
Advantageous effects
The utility model provides a heavy-duty trolley furnace bottom plate fixing structure, which has the following beneficial effects:
1. according to the heavy-duty furnace bottom plate fixing structure, through the double positioning structure arrangement of the fixing rod and the groove on the trolley main body, the problem of displacement of the bottom plate of the workpiece loading and unloading can be solved, and the stability and the safety of the bottom plate can be improved;
2. according to the heavy furnace bottom plate fixing structure, the furnace bottom plate is divided, the expansion gaps are arranged between the small land floor blocks, and the expansion gaps are arranged in the grooves, so that the problem of thermal expansion deformation of the furnace bottom plate when a workpiece is heated can be solved, and the expansion gaps are arranged around the fixing holes and the fixing rods, so that the problem of extrusion caused by expansion of the furnace bottom plate and the fixing rods when the workpiece is heated can be solved;
3. according to the heavy furnace bottom plate fixing structure, the workpieces can be heated uniformly through the strip stack and the small holes in the strip stack.
Drawings
Fig. 1 is a top view of the structure of the present utility model.
Fig. 2 is an enlarged view of a portion of fig. 1 at C in accordance with the present utility model.
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 1 in accordance with the present utility model.
Fig. 4 is a partial enlarged view of fig. 3D of the present utility model.
Fig. 5 is an enlarged view of a portion of fig. 3 at E in accordance with the present utility model.
FIG. 6 is a sectional view taken along the direction B-B in FIG. 1 in accordance with the present utility model.
In fig. 1 to 6, a trolley main body 1, a furnace bottom plate 2, a groove 3, an expansion gap I4, a fixing rod 5, a positioning hole 6, an expansion gap II 7, a small furnace bottom plate 8, an expansion gap III 9, a strip stack 10, a round hole I11 and a round hole II 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 6, the present utility model provides a technical solution: the utility model provides a heavy trolley furnace bottom plate fixed knot constructs, including trolley main part 1, stove bottom plate 2, trolley main part 1 upper surface is provided with recess 3, make stove bottom plate 2 be in recess 3, recess 3 degree of depth is less than stove bottom plate 2 height, there is expansion clearance one 4 recess 3 and stove bottom plate 2 all around, a plurality of locating holes 6 of seting up on the stove bottom plate 2, set up a plurality of dead sticks 5 on the trolley main part 1, every dead stick 5 corresponds a locating hole 6, there is expansion clearance two 7 between locating hole 6 and the dead stick 5, recess 3 and expansion clearance one 4 that set up on the trolley main part 1, the setting of expansion clearance two 7 between locating hole 6 and the dead stick 5, the effectual removal of prescribing a limit to stove bottom plate piece, avoid stove bottom plate 2 to be heated expansion and the emergence of adjacent interface extrusion deformation phenomenon simultaneously.
The furnace bottom plate 2 is evenly divided into a plurality of same small furnace bottom plate blocks 8, and an expansion gap III 9 is arranged between two adjacent small furnace bottom plate blocks 8, and the furnace bottom plate 2 can be prevented from being deformed due to uneven heating by dividing into a plurality of small furnace bottom plate blocks 8.
Each small furnace bottom plate 8 is provided with a plurality of stacks 10, and the stacks 10 play a role in supporting the workpiece to be heated, and simultaneously the bottom surface of the workpiece to be heated can be heated.
A certain distance is reserved between two adjacent strip stacks 10, the length of each strip stack 10 is the same as that of the small furnace bottom plate 8, and the cross section of each strip stack is rectangular. The length direction of the top of the strip pile 10 is rounded, and the junction of the strip pile 10 and the small furnace bottom plate 8 is rounded, so that the contact area between the strip pile 10 and a workpiece is reduced, and the damage to the workpiece and workers caused by burrs and sharp edges on the upper part of the strip pile 10 is avoided.
The first round holes 11 which are communicated left and right are uniformly distributed on the side face of the strip stack 10 along the length direction, the second round holes 12 which are vertically communicated with the strip stack 10 are formed in the top face of the strip stack 10, the second round holes 12 are staggered with the first round holes 11, the round holes in the strip stack 10 are arranged so as to avoid deformation of the strip stack 10, reduce the contact area with a workpiece, enhance the airflow circulation of the bottom face of the workpiece to be heated, and enable the workpiece to be heated more uniformly.
Four positioning holes 6 are formed in each small furnace bottom plate block 8, and the positioning holes 6 are arranged between two adjacent strip stacks 10 near the four corners of the small furnace bottom plate block, so that holes can be formed and installed conveniently.
The fixing bars 5 on the trolley body 1 are arranged in the positioning holes 6 from left to right at intervals, so that the fixing bars are conveniently distributed on the trolley body 1.
The positioning hole 6 is circular or elliptical in shape, wherein the minor axis of the elliptical positioning hole is transverse, and the major axis of the elliptical positioning hole is longitudinal.
The fixing rod 5 is made of stainless steel.
In summary, in the above-mentioned heavy-duty trolley furnace bottom plate fixing structure, when in use, the bottom plate 2 formed by the small bottom plate blocks 8 is all fixed on the trolley main body 1 by the fixing rods 5, and the bottom plate blocks 2 move in limited positions when the workpiece is assembled and disassembled, so that the personnel injury caused by the sliding of the furnace bottom plate 2 can be avoided; the expansion gaps I4, II 7 and III 9 can prevent the problems of thermal expansion, extrusion and deformation of the fixed rod 5 and the small furnace bottom plate 8 in the heating process; the small holes on the strip stacks 10 and 10 on the furnace bottom plate 2 enable the workpieces on the furnace bottom plate 2 to be heated more uniformly; therefore, the utility model can improve the stability, the safety and the heating effectiveness of the furnace bottom plate 2, and solve the problem of expansion extrusion in the heating process, thereby improving the production efficiency.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a heavy stove bottom plate fixed knot constructs, includes platform truck main part (1), stove bottom plate (2), its characterized in that: the utility model discloses a trolley is characterized in that a groove (3) is formed in the upper surface of the trolley body (1), the bottom plate (2) is located in the groove (3), the depth of the groove (3) is smaller than the height of the bottom plate (2), an expansion gap I (4) is formed in the periphery of the groove (3) and the bottom plate (2), a plurality of positioning holes (6) are formed in the bottom plate (2), a plurality of fixing rods (5) are arranged on the trolley body (1), each fixing rod (5) corresponds to one positioning hole (6), and an expansion gap II (7) is formed between each positioning hole (6) and each fixing rod (5).
2. The heavy duty furnace floor fixing structure according to claim 1, wherein: the furnace bottom plate (2) is divided into a plurality of same small furnace bottom plate blocks (8), and an expansion gap III (9) is arranged between every two adjacent small furnace bottom plate blocks (8).
3. The heavy duty furnace floor fixing structure according to claim 2, wherein: a plurality of stacks (10) are respectively arranged on each small furnace bottom plate (8).
4. A heavy duty furnace floor fixing structure according to claim 3, wherein: the distance between two adjacent strip stacks (10) is kept, the length of each strip stack (10) is the same as that of each small furnace bottom plate (8), the cross section is rectangular, the length direction of the top of each strip stack (10) is rounded, and the length direction of the junction of each strip stack (10) and each small furnace bottom plate (8) is rounded.
5. A heavy duty furnace floor fixing structure according to claim 3, wherein: the strip pile (10) is uniformly distributed with round holes I (11) which are communicated left and right along the side face of the length direction, round holes II (12) which vertically penetrate through the whole strip pile (10) are formed in the top face of the strip pile (10), and the round holes II (12) and the round holes I (11) are staggered.
6. A heavy duty furnace floor fixing structure according to claim 3, wherein: four positioning holes (6) are formed in each small furnace bottom plate (8), and the positioning holes (6) are arranged between two adjacent strip stacks (10) near four corners of the small furnace bottom plate (8).
7. The heavy duty furnace floor fixing structure according to claim 6, wherein: the fixing rods (5) are arranged in the positioning holes (6) at intervals from left to right.
8. The heavy duty furnace floor fixing structure according to claim 1, wherein: the positioning hole (6) is round or elliptical in shape.
9. The heavy duty furnace floor fixing structure according to claim 1, wherein: the fixing rod (5) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957312.2U CN220321996U (en) | 2023-07-20 | 2023-07-20 | Heavy furnace bottom plate fixed knot constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957312.2U CN220321996U (en) | 2023-07-20 | 2023-07-20 | Heavy furnace bottom plate fixed knot constructs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220321996U true CN220321996U (en) | 2024-01-09 |
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ID=89421010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321957312.2U Active CN220321996U (en) | 2023-07-20 | 2023-07-20 | Heavy furnace bottom plate fixed knot constructs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220321996U (en) |
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2023
- 2023-07-20 CN CN202321957312.2U patent/CN220321996U/en active Active
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