CN211975686U - Bearing seat with welded structure - Google Patents
Bearing seat with welded structure Download PDFInfo
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- CN211975686U CN211975686U CN201922475083.0U CN201922475083U CN211975686U CN 211975686 U CN211975686 U CN 211975686U CN 201922475083 U CN201922475083 U CN 201922475083U CN 211975686 U CN211975686 U CN 211975686U
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Abstract
The utility model discloses a welded structure bearing frame, including semicircular first mounting flange board and second mounting flange board, the centre of a circle department of first mounting flange board and second mounting flange board is equipped with the rectangle breach, its centre of a circle department forms a cavity after first mounting flange board and second mounting flange board equipment, be equipped with axle bush clamp plate and the axle bush bearing plate of cooperation installation in the cavity, the joint has an I-shaped baffle on the breach of second mounting flange board, the baffle top is the axle bush bearing plate. Compared with the prior art, the utility model provides a welded structure bearing frame reduces welding part unloading kind specification by a wide margin, and favourable prepareeing material reduces welding seam quantity, cancels narrow and small space welding seam, has improved welding quality, has shortened weldment supply cycle.
Description
Technical Field
The utility model relates to a bearing specifically is welded structure bearing frame belongs to machinery.
Background
In the operation process of the bearing, the bearing and the rotating shaft necessarily generate relative motion, so that friction is generated between moving bodies, a part of mechanical energy is consumed, and the bearing and the rotating shaft generate heat and are abraded. In order to reduce the friction resistance, slow down the wear rate of the bearing, control the temperature rise of the bearing and improve the service life of the bearing, the lubrication problem of the bearing must be considered in the mechanism design using the bearing, the sealing of the bearing must be considered in order to keep the bearing lubricated, and the good sealing of the bearing seat can prevent the lubricating medium of the bearing from leaking.
At present, a plurality of plate materials are generally adopted for tailor welding of an end cover type sliding bearing pedestal with a welded structure, and then the end cover type sliding bearing pedestal and a bearing installation flange plate are welded together to form an installation position of a bearing oil chamber cavity, a sealing cover, an accessory and the like, and a bearing bush supporting plate is supported on a bottom plate of the oil chamber cavity and is used for bearing loads transmitted by a bearing bush. As shown in fig. 1 to 5, a lower half mounting flange plate 2 and an oil chamber cavity bottom plate 13 (also serving as a partition plate) of an end cover type sliding bearing pedestal of the existing welding structure are cross-lapped and welded, on this basis, a sealing mounting plate 15 is welded into a sealing oil tank in the form of an oil chamber cavity front wall 10, an oil chamber cavity side wall 11, an oil chamber cavity rear wall 12 and an oil chamber cavity top plate (not shown in the figure), in order to reinforce the sealing oil tank, a spherical belt supporting plate 9 is further welded in the oil chamber cavity, a cavity bottom plate supporting rib 14, an auxiliary oil tank support 16, an auxiliary oil tank bottom plate 17 and other accessories are further welded outside the oil chamber cavity for reinforcing the bearing pedestal structure, in addition, a box combining plate 8 is further required to be mounted on the upper half mounting flange plate 1 and the lower half mounting flange plate 2, thereby causing a plurality:
1. the bearing seat is complex in welding structure, various in welding seams and easy to deform, in order to ensure the size of a finished product, machining allowance is increased, and material cost and machining cost are high;
2. the bearing bush supporting plate of the bearing block and the front wall and the rear wall of the oil chamber cavity are narrow in space (particularly in a double-spherical-surface bearing bush structure), welding defects are easy to occur due to welding difficulty, rework is caused in a later-stage production field, and manufacturing cost and time cost are increased;
3. the oil chamber cavity bottom plate is welded with the bearing mounting flange plate in a cross mode at the position of the opening, only the small area of the side face of the plate is connected, the structure is not stable enough, extra supporting ribs are needed, the supporting ribs are smaller due to structural reasons, the welding cost is increased, and the effect is limited;
4. due to the complex structure, the blanking types and specifications of the involved welding parts are more and more, which is unfavorable for the stock preparation of suppliers, and especially when the specifications are not common, the supply cycle of the welding parts is long.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the utility model aims at providing a simple structure, welding seam are few, the difficult welded structure bearing frame of doing over again.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a bearing seat with a welding structure comprises a semicircular upper half installation flange plate and a semicircular lower half installation flange plate, wherein rectangular notches are formed in the circle centers of the upper half installation flange plate and the lower half installation flange plate, a cavity is formed in the circle center of the upper half installation flange plate and the circle center of the lower half installation flange plate after the upper half installation flange plate and the lower half installation flange plate are assembled, a bearing bush pressing plate and a bearing bush supporting plate which are installed in a matched mode are arranged in the cavity, an I-shaped partition plate is clamped on the notch of the lower half installation flange plate, and the bearing bush supporting plate.
As a further improvement of the above technical solution:
the bearing seat is provided with a plurality of sealing plates, the sealing plates are arranged outside the cavity in a surrounding mode, and a composite sealing oil chamber cavity is formed by surrounding the two sides of the assembled upper half mounting flange plate and the lower half mounting flange plate towards the center.
The sealing plates are welded and cast integrally or plates are hollowed out.
The sealing plate is screwed on the bearing bush pressure plate or the bearing bush supporting plate.
The waist of the partition plate is clamped on the notch of the lower half mounting flange plate, at least one through hole is formed in the waist of the partition plate, the bearing bush supporting plate is provided with a corresponding through hole, the lower half mounting flange plate is provided with a corresponding notch blind hole, and lubricating oil sequentially reaches the auxiliary oil tank from the composite sealing oil chamber cavity along the bearing bush supporting plate, the partition plate and the lower half mounting flange plate.
An auxiliary oil tank is further arranged below the partition plate, and a hand hole plate is arranged on the end face of the auxiliary oil tank.
An auxiliary oil tank bottom plate is further arranged below the hand hole plate.
The baffle is connected on the breach of flange board is installed to the lower half through joint lap welding with firm.
And two side edges of the bearing bush pressure plate are screwed on the bearing bush supporting plate.
The two side edges of the bearing bush supporting plate are welded on the lower half mounting flange plate, and the bottom edge of the bearing bush supporting plate is welded at the waist part of the partition plate.
Compared with the prior art, in order to solve the problem of cost increase caused by complex structure and improve the quality of finished products, the prior bearing seat welding structure is improved as follows:
1. the original front and rear sealing covers are respectively fused with the front and rear oil chamber cavity bodies to form a composite large-cavity sealing cover, the composite large-cavity sealing cover is fixed on a bearing bush pressing plate and a bearing bush supporting plate by adopting fasteners, and then the composite large-cavity sealing cover, the bearing bush pressing plate, the bearing bush supporting plate and the like form a complete oil chamber cavity; the special sealing cover which is fused can be used as a sealing cavity and an oil chamber cavity, and is independent, so that the structure can be processed by plates, castings, weldments and the like according to the requirements, the limitation on the shape and the size is small, the improvement simplifies the welding structure of the bearing seat, reduces the deformation, can correspondingly reduce the processing allowance, and reduces the material cost and the processing cost;
2. the original square oil chamber cavity bottom plate is changed into an I shape, then the clamping groove is clamped and embedded on the bearing mounting flange plate and then welding is carried out, the self structure can play a role of a supporting rib after welding, complex welding seams of the supporting rib are saved, the occupied space is small, and the supporting strengthening effect is obvious;
3. the change of the oil chamber structure correspondingly cancels the side wall of the oil chamber and a box closing plate, thereby further reducing the number of welding seams;
4. the sealing cover is fused with the oil chamber cavity to form the sealing cover, thereby avoiding the welding seam of the narrow space between the original bearing bush supporting plate and the front wall and the back wall of the oil chamber cavity and improving the welding quality.
To sum up, through above structure change, the utility model provides a welded structure bearing frame reduces welding part unloading kind specification by a wide margin, and favourable the getting ready reduces welding seam quantity, cancels narrow and small space welding seam, has improved welding quality, has shortened weldment supply cycle.
Drawings
FIG. 1 is a welding structure view of a lower half mounting flange plate of a bearing seat with a welding structure provided by the prior art;
FIG. 2 is a schematic cross-lap welding of a square oil chamber cavity bottom plate and a bearing mounting flange plate provided by the prior art;
FIG. 3 is a front view of a prior art welded construction bearing housing assembly;
FIG. 4 is a rear view of a prior art welded construction bearing housing assembly;
FIG. 5 is a cross-sectional view of a prior art bearing block assembly;
FIG. 6 is a front view of the welded structure bearing seat welding provided by the present invention;
FIG. 7 is a back view of a welded bearing seat of the welding structure provided by the present invention;
fig. 8 is a schematic diagram of a partition plate of a bearing seat with a welded structure provided by the present invention;
FIG. 9 is a front view of a welded bearing seat assembly provided by the present invention;
fig. 10 is a back view of the welded bearing seat assembly provided by the present invention;
FIG. 11 is a schematic view of a bearing seat with a welded structure according to the present invention;
wherein, 1, mounting a flange plate on the upper half; 2. a flange plate is arranged on the lower half; 3. a partition plate; 4. bearing bush pressing plates; 5. a bearing bush support plate; 6. a hand hole plate; 7. a sealing plate; 8. a box closing plate; 9. a ball belt support plate; 10. an oil chamber cavity front wall; 11. the side wall of the oil chamber cavity; 12. the rear wall of the oil chamber cavity; 13. an oil chamber cavity bottom plate; 14. supporting ribs of the cavity bottom plate; 15. sealing the mounting plate; 16. supporting an auxiliary oil tank; 17. the auxiliary oil tank bottom plate.
Detailed Description
The present invention will be described in more detail and fully with reference to the following examples and comparative examples.
Referring to fig. 1 to 5, in the prior art, a lower half mounting flange plate 2 and an oil chamber cavity bottom plate 13 are welded in a cross lap joint manner, on the basis, a sealing mounting plate 15 is welded into a sealing oil tank in a surrounding manner in the form of an oil chamber cavity front wall 10, an oil chamber cavity side wall 11, an oil chamber cavity rear wall 12 and an oil chamber cavity top plate (not shown in the figure), in order to reinforce the sealing oil tank, a spherical belt bearing plate 9 is welded in the oil chamber cavity, cavity bottom plate support ribs 14, auxiliary oil tank supports 16, an auxiliary oil tank bottom plate 17 and other accessories are welded outside the oil chamber cavity and used for reinforcing a bearing seat structure, and in addition, a plurality of box combining plates 8 are required to be mounted on the upper half mounting flange plate 1 and the lower half mounting flange plate.
As shown in fig. 6 to 11, the bearing seat with the welding structure of the embodiment includes a semicircular upper half mounting flange plate 1 and a semicircular lower half mounting flange plate 2, a rectangular notch is formed at the circle center of the upper half mounting flange plate 1 and the circle center of the lower half mounting flange plate 2, a cavity is formed at the circle center of the upper half mounting flange plate 1 and the circle center of the lower half mounting flange plate 2 after the assembly, a bearing bush pressure plate 4 and a bearing bush support plate 5 which are installed in a matched manner are arranged in the cavity, an i-shaped partition plate 3 is clamped on the notch of the lower half mounting flange plate 2, and the bearing bush support plate 5 is.
In this embodiment, the bearing seat is provided with a plurality of sealing plates 7, the sealing plates 7 are arranged outside the cavity, and a composite sealing oil chamber cavity is formed by surrounding two sides of the assembled upper half mounting flange plate 1 and the lower half mounting flange plate 2 towards the center.
In this embodiment, the sealing plates 7 are welded or cast integrally, and the plate is directly processed (the solid metal plate is hollowed).
In this embodiment, the sealing plate 7 is screwed to the bearing bush pressing plate 4 or the bearing bush supporting plate 5.
In this embodiment, the waist of the partition plate 3 is clamped to the notch of the lower half mounting flange plate 2, at least one through hole is formed in the waist of the partition plate 3, the bearing bush supporting plate is provided with a corresponding through hole, the lower half mounting flange plate is provided with a corresponding blind hole with a notch, and lubricating oil sequentially reaches the auxiliary oil tank from the composite sealing oil chamber cavity along the bearing bush supporting plate, the partition plate and the lower half mounting flange plate.
In this embodiment, an auxiliary oil tank is further arranged below the partition plate 3, and a hand hole plate 6 is arranged on the end face of the auxiliary oil tank, so that welding slag in the sealed cavity can be conveniently cleaned.
In this embodiment, an auxiliary oil tank bottom plate 17 is further arranged below the hand hole plate 6.
In this embodiment, the partition plate 3 is fixedly connected to the notch of the mounting flange plate 2 in the lower half by lap welding.
In this embodiment, two side edges of the bearing bush pressure plate 4 are screwed on the bearing bush support plate.
In the embodiment, two side edges of the bearing bush support plate 5 are welded on the lower half mounting flange plate 2, and the bottom edge of the bearing bush support plate 5 is welded at the waist part of the partition plate 3.
Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the modifications and adjustments made by those skilled in the art according to the above-mentioned contents of the present invention are all included in the scope of the present invention.
Claims (10)
1. The utility model provides a welded structure bearing frame, its characterized in that, includes semicircular first mounting flange board (1) and second mounting flange board (2), the centre of a circle department of first mounting flange board (1) and second mounting flange board (2) is equipped with the rectangle breach, its centre of a circle department forms a cavity after first mounting flange board (1) and second mounting flange board (2) assemble, be equipped with axle bush clamp plate (4) and axle bush bearing plate (5) of cooperation installation in the cavity, joint has an I-shaped baffle (3) on the breach of second mounting flange board (2), baffle (3) top is axle bush bearing plate (5).
2. The welded structure bearing block according to claim 1, characterized in that the bearing block is provided with a plurality of sealing plates (7), the sealing plates (7) are arranged around the cavity, and a composite sealing oil chamber cavity is formed by two sides of the assembled upper half mounting flange plate (1) and the lower half mounting flange plate (2) towards the center.
3. A welded structural bearing housing according to claim 2, wherein said sealing plates (7) are welded, cast integrally or sheet metal hollowed out.
4. The welded structure bearing housing according to claim 2, wherein the seal plate (7) is screwed to the bearing shell press plate (4) or the bearing shell support plate (5).
5. The bearing pedestal with the welded structure according to claim 1, wherein the waist of the partition plate (3) is clamped on the notch of the lower half mounting flange plate (2), at least one through hole is arranged on the waist of the partition plate (3), the bearing bush support plate (5) is provided with a corresponding through hole, the lower half mounting flange plate (2) is provided with a corresponding blind hole with a notch, and lubricating oil sequentially reaches the auxiliary oil tank from a composite sealing oil chamber cavity surrounded by the sealing plate (7) along the bearing bush support plate (5), the partition plate (3) and the lower half mounting flange plate (2).
6. The bearing seat with the welded structure according to claim 1, wherein an auxiliary oil tank is further arranged below the partition plate (3), and the auxiliary oil tank is provided with a hand hole plate (6).
7. The bearing seat with the welded structure as claimed in claim 6, wherein an auxiliary oil tank bottom plate (17) is further arranged below the hand hole plate (6).
8. A welded structural bearing housing according to claim 1, characterized in that the spacer plate (3) is attached to the indentation of the lower mounting flange plate half (2) by means of a lap weld attachment.
9. The welded structure bearing housing according to claim 1, wherein the bearing shell press plate (4) is screwed to the bearing shell support plate (5).
10. The welded structure bearing block according to claim 1, wherein both side edges of the bearing bush support plate (5) are welded to the lower half mounting flange plate (2), and the bottom edge of the bearing bush support plate (5) is welded to the waist part of the partition plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475083.0U CN211975686U (en) | 2019-12-31 | 2019-12-31 | Bearing seat with welded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475083.0U CN211975686U (en) | 2019-12-31 | 2019-12-31 | Bearing seat with welded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975686U true CN211975686U (en) | 2020-11-20 |
Family
ID=73369790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922475083.0U Active CN211975686U (en) | 2019-12-31 | 2019-12-31 | Bearing seat with welded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211975686U (en) |
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2019
- 2019-12-31 CN CN201922475083.0U patent/CN211975686U/en active Active
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