CN211737942U - Gear box for welded structure - Google Patents
Gear box for welded structure Download PDFInfo
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- CN211737942U CN211737942U CN202020178646.XU CN202020178646U CN211737942U CN 211737942 U CN211737942 U CN 211737942U CN 202020178646 U CN202020178646 U CN 202020178646U CN 211737942 U CN211737942 U CN 211737942U
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- welded
- side plate
- box
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Abstract
The utility model discloses a gear box for welded structure, including the open last box in lower part and the open lower box in upper portion, it includes well minute panel, roof, last main curb plate, bolster bearing housing to go up the box, go up main curb plate edge with the roof edge is through welded fastening connection, bolster bearing housing divide into two and the symmetry welding is in go up on the main curb plate, go up well minute panel welding and be in roof and last main curb plate lower limb, the lower box includes well minute panel, bottom plate, lower main curb plate, lower vice curb plate, step down, bottom plate, lower main curb plate and lower vice curb plate edge are supported in proper order and are passed through welded fastening connection, the step divide into two and the symmetry welding and be in on the lower main curb plate, well minute panel welding is in down main curb plate and lower vice curb plate upper edge, this gear box for welded structure technology flexibility is big, Wide adaptability, convenient processing and stable and reliable quality.
Description
Technical Field
The utility model relates to a gear box for welded structure.
Background
The gear box body is an indispensable part in a transmission system of machinery such as an automobile, engineering machinery and the like. The traditional gearbox body is a casting formed by casting, the casting is a metal liquid forming process, a mold needs to be developed, one mold can only be used for manufacturing one product, if the product needs to be improved, the mold needs to be changed or re-developed, the operation is complex, and the cost is high; in addition, because the liquid metal forming process is multiple and is difficult to accurately control, the quality of the casting is not stable enough, the problems of loose structure, coarse grains and the like are easy to occur, and the mechanical property and the machining and cutting performance are directly influenced; in addition, the general overall dimension of the cast blank is difficult to control, so the machining allowance is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the gearbox for the welding structure is high in process flexibility, wide in adaptability, convenient to machine and stable and reliable in quality.
The utility model provides a technical scheme that above-mentioned technical problem took is: a gearbox for a welding structure comprises an upper box body with an open lower part and a lower box body with an open upper part, the upper box body is detachably connected with the lower box body to jointly form the whole gear box, the upper box body comprises an upper middle panel, a top plate, an upper main side plate and an upper bearing seat, the upper main side plate is divided into two parts which are symmetrically arranged at the two sides of the top plate, the upper bearing seat is provided with a plurality of upper semicircular holes, the lower box body comprises a lower middle sub-panel, a bottom plate, a lower main side plate, a lower auxiliary side plate and a lower bearing seat, the lower main side plate is divided into two parts which are symmetrically arranged on the first side edge and the third side edge of the bottom plate, the lower auxiliary side plate is divided into two parts which are symmetrically arranged on the second side edge and the fourth side edge of the bottom plate, the lower bearing seat is provided with a plurality of lower semicircular holes which correspond to the upper semicircular holes on the upper bearing seat and have the same size, and the lower semicircular holes and the upper semicircular holes on the upper bearing seat form a plurality of circular holes.
In order to make product technology flexibility big, adaptability wide, the utility model discloses the gearbox body of protection adopts the panel beating welding to form, specifically does, go up the main side board edge with the roof edge is through welded fastening connection, bolster bearing housing divide into two and the symmetry welding and is in on the last main side board, go up the mid-split panel welding and be in roof and last main side board lower limb, bottom plate, lower main curb plate and lower vice curb plate edge support in proper order and lean on and pass through welded fastening connection, the step divide into two and the symmetry welding and be in on the lower main curb plate, the mid-split panel welding is in down main curb plate and lower vice curb plate upper limb.
In order to facilitate the disassembly and assembly of the upper box body and the lower box body, the upper middle sub-panel of the upper box body is detachably connected with the lower middle sub-panel of the lower box body through bolts.
For making processing more convenient, the gearbox casing quality is more stable, the utility model discloses each component part of gear box for welded structure all is the sheet metal component, and the stable quality of the event stability of metallographic structure and cutting performance are good, and the easy control event cutting allowance of processing of size is little.
In order to reduce the quantity of metal plates forming the box body, the top plate is formed by bending one plate.
Preferably, the top plate is provided with an observation hole, and an observation hole plate is coaxially welded on the observation hole.
In order to strengthen the strength of the gear box body, rib plates are welded between the upper main side plate and the upper bearing seat and between the lower main side plate and the lower bearing seat.
Preferably, the gear box for the welded structure further includes a lifting lug welded to the upper main side plate.
The utility model has the advantages that: the mold opening is not needed, so that the mold cost and the later maintenance cost are saved; the gear box is convenient to change the structure, high in process flexibility and wide in adaptability, and is particularly suitable for producing gear box bodies with various types and small quantity; the blank material quality of the gear box body is more controllable, the cutting performance is good, and the quality is more stable and reliable; the gear box body blank size precision is easier to control, the machining allowance is small, the machining efficiency is high, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of a gearbox for a welded structure according to the present invention;
FIG. 2 is a schematic structural view of an upper box of the gearbox for welding structure of the present invention;
FIG. 3 is a schematic structural view of a lower case of the gearbox for a welded structure according to the present invention;
FIG. 4 is a schematic structural view of a bottom plate of a gearbox for a welded structure according to the present invention;
in the figure: 1. the novel multifunctional combined type box comprises an upper box body, 2 parts of a lower box body, 3 parts of an upper middle panel, 4 parts of a top plate, 41 parts of an observation hole, 5 parts of an upper main side plate, 6 parts of an upper bearing seat, 7 parts of a lower middle panel, 8 parts of a bottom plate, 81 parts of a first side edge, 82 parts of a second side edge, 83 parts of a third side edge, 84 parts of a fourth side edge, 9 parts of a lower main side plate, 10 parts of a lower auxiliary side plate, 11 parts of a lower bearing seat, 12 parts of an observation hole plate, 13 parts of a rib plate, 14 parts of lifting lugs, 15 parts of an upper semicircular hole, 16 parts of a.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
As shown in FIG. 1, the gearbox for the welding structure comprises an upper box body 1 with an opened lower part and a lower box body 2 with an opened upper part, wherein the upper box body 1 is detachably connected with the lower box body 2.
As shown in fig. 2, the upper box 1 includes an upper middle panel 3, a top plate 4, an upper main side plate 5, an upper bearing seat 6 and a lifting lug 14, the upper top plate 4 is formed by bending, an observation hole 41 is formed in the top plate 4, an observation hole plate 12 is coaxially welded on the observation hole 41, the upper main side plate 5 is divided into two pieces and symmetrically disposed on two sides of the top plate 4, the edge of the upper main side plate 5 is fixedly connected to the edge of the top plate 4 by welding, the upper bearing seat 6 is divided into two pieces and symmetrically welded on the upper main side plate 5, the upper bearing seat 6 is formed with a plurality of upper semicircular holes 15, the upper middle panel 3 is welded on the lower edges of the top plate 4 and the upper main side plate 5, the upper middle panel 3 is formed with bolt holes, and the lifting lug 14 is welded on the upper main side plate 5.
As shown in fig. 3 and 4, the lower box body 2 comprises a lower median plate 7, a bottom plate 8, a lower main side plate 9, a lower sub side plate 10, a lower bearing seat 11, wherein the lower main side plate 9 is divided into two pieces and symmetrically disposed on a first side edge 81 and a third side edge 83 of the bottom plate 8, the lower sub side plate 10 is divided into two pieces and symmetrically disposed on a second side edge 82 and a fourth side edge 84 of the bottom plate 8, edges of the bottom plate 8, the lower main side plate 9 and the lower sub side plate 10 are sequentially abutted against and fixedly connected by welding, the lower bearing seat 11 is divided into two pieces and symmetrically welded on the lower main side plate 9, the lower bearing seat 11 is provided with a plurality of lower semicircular holes 16 having the same size as that of the upper semicircular hole 15 on the upper bearing seat 6 and forming a plurality of circular holes with the upper semicircular hole 15 on the upper bearing seat 6, the lower median plate 7 is welded on the upper edges of the lower main side plate 9 and the lower sub side, the lower middle dividing panel 7 is provided with bolt holes for matching with the bolt holes on the upper middle dividing panel 3, and the upper box body 1 and the lower box body 2 are detachably connected by using bolts.
As shown in fig. 1 to 3, rib plates 13 are welded between the upper main skirt 5 and the upper bearing housing 6 and between the lower main skirt 9 and the lower bearing housing 11.
When the gear box for the welding structure is manufactured, firstly, the upper middle split panel 3, the top plate 4, the upper main side plate 5, the upper bearing seat 6, the lower middle split panel 7, the bottom plate 8, the lower main side plate 9, the lower auxiliary side plate 10, the lower bearing seat 11, the observation hole plate 12, the rib plate 13 and the lifting lug 14 are respectively blanked, then welding, processing and the like are carried out according to the manufacturing process flow, specifically, firstly, the upper middle split panel 3, the top plate 4, the upper main side plate 5, the upper bearing seat 6, the observation hole plate 12 and the lifting lug 14 are sequentially spliced and welded, the rib plate 13 is welded at the bearing position or the key position to form an upper box body, then the lower middle split panel 7, the bottom plate 8, the lower main side plate 9, the lower auxiliary side plate 10 and the lower bearing seat 11 are sequentially spliced and welded, the rib plate 13 is welded at the bearing position or the key position to form a lower box body, and finally, the upper box body 1 and the lower box, thereby manufacturing the finished product of the gearbox for the welding structure.
If the box body needs to be changed, only the plate related to the changed part needs to be changed, and the box is very convenient and fast.
When in use, the components such as the bearing, the gear and the like are firstly arranged in the lower box body 2, then the upper box body 1 is covered with the lower box body, and the upper box body 1 is connected with the lower box body 2 by using bolts; when the parts in the gear box need to be replaced or maintained, the bolts are loosened to take down the upper box body, so that the parts in the gear box can be conveniently disassembled, assembled and maintained.
Compared with the existing casting gearbox body, the gearbox for the welding structure of the utility model realizes that the box body is free from die sinking by using sheet metal welding, only the plate related to the changed part needs to be changed during the change, which is very convenient and fast, has no problem of changing or redeveloping the die, is convenient to change and saves the cost; the problems of loose structure, large crystal grains and the like which are possibly generated by the casting and unstable quality do not exist, the cutting performance is good, the box body strength is stable and reliable, the appearance size is easier to control than the casting, and the machining allowance is small. The gearbox for the welding structure is particularly suitable for production with multiple types and small quantity.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a gearbox for welded structure, includes the open last box (1) in lower part and the open lower box (2) in upper portion, go up box (1) detachably and be connected its characterized in that with lower box (2): the upper box body (1) comprises an upper middle division panel (3), a top plate (4), an upper main side plate (5) and an upper bearing seat (6), the upper main side plate (5) is divided into two parts and symmetrically arranged on two sides of the top plate (4), the edge of the upper main side plate (5) is fixedly connected with the edge of the top plate (4) through welding, the upper bearing seat (6) is divided into two parts and symmetrically welded on the upper main side plate (5), the upper bearing seat (6) is provided with a plurality of upper semicircular holes (15), the upper middle division panel (3) is welded on the lower edges of the top plate (4) and the upper main side plate (5), the lower box body (2) comprises a lower middle division panel (7), a bottom plate (8), a lower main side plate (9), a lower auxiliary side plate (10) and a lower bearing seat (11), the lower main side plate (9) is divided into two parts and symmetrically arranged on a first side edge (81) and a third side edge (83) of the, lower vice curb plate (10) divide into two and the symmetry sets up second side (82) and fourth side (84) of bottom plate (8), lower main curb plate (9) and lower vice curb plate (10) edge support in proper order and just through welded fastening connection, step (11) divide into two and the symmetry welding and are in down on main curb plate (9), step (11) seted up a plurality of with last semicircular hole (15) on bolster bearing housing (6) correspond big or small the same lower semicircular hole (16), and with last semicircular hole (15) on bolster bearing housing (6) constitute a plurality of round holes (17), divide panel (7) welding down main curb plate (9) and lower vice curb plate (10) upper edge.
2. The gear box for welded structure according to claim 1, wherein: the upper middle sub-panel (3) of the upper box body (1) is detachably connected with the lower middle sub-panel (7) of the lower box body (2) through bolts.
3. The gear box for welded structure according to claim 1, wherein: the top plate (4) is formed by bending.
4. The gear box for welded structure according to claim 1, wherein: an observation hole (41) is formed in the top plate (4), and an observation hole plate (12) is coaxially welded on the observation hole (41).
5. The gear box for welded structure according to claim 1, wherein: and rib plates (13) are welded between the upper main side plate (5) and the upper bearing seat (6) and between the lower main side plate (9) and the lower bearing seat (11).
6. The gear box for welded structure according to claim 1, wherein: the lifting lug (14) is welded on the upper main side plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020178646.XU CN211737942U (en) | 2020-02-17 | 2020-02-17 | Gear box for welded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020178646.XU CN211737942U (en) | 2020-02-17 | 2020-02-17 | Gear box for welded structure |
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| Publication Number | Publication Date |
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| CN211737942U true CN211737942U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020178646.XU Active CN211737942U (en) | 2020-02-17 | 2020-02-17 | Gear box for welded structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857242A (en) * | 2022-05-23 | 2022-08-05 | 重庆通用工业(集团)有限责任公司 | Welded gear box of steam compressor and assembling method thereof |
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2020
- 2020-02-17 CN CN202020178646.XU patent/CN211737942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857242A (en) * | 2022-05-23 | 2022-08-05 | 重庆通用工业(集团)有限责任公司 | Welded gear box of steam compressor and assembling method thereof |
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