CN215433490U - Large-scale bearing dismantles frock - Google Patents
Large-scale bearing dismantles frock Download PDFInfo
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- CN215433490U CN215433490U CN202121709275.4U CN202121709275U CN215433490U CN 215433490 U CN215433490 U CN 215433490U CN 202121709275 U CN202121709275 U CN 202121709275U CN 215433490 U CN215433490 U CN 215433490U
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Abstract
The utility model discloses a large-scale bearing disassembling tool which comprises an upper disc, a plurality of connecting rods and a lower flange, wherein the upper disc is provided with a plurality of connecting rods; the lower flange is of a split structure and is sleeved on a central shaft positioned at the bottom surface of the bearing so as to push the bearing upwards; the connecting rod connects the upper disc and the lower flange together; and lifting equipment is arranged between the bottom surface of the upper disc and the upper end surface of the central shaft, the upper disc is upwards pushed by the lifting equipment to be away from the upper end surface of the central shaft, and the upper disc drives the lower flange to upwards move through the connecting rod. The tool has the advantages that the large-scale bearing can be quickly disassembled, the tool is simple in structure, low in investment cost, high in disassembling speed, high in efficiency, safe and reliable, a customized bearing disassembling tool or disassembling equipment can be replaced, and high cost generated by purchasing special equipment or tools is greatly saved; the tool is an economical and practical large-scale bearing disassembling tool.
Description
Technical Field
The utility model relates to a disassembly tool for a large bearing, and belongs to the technical field of engineering machinery manufacturing.
Background
A large bearing is assembled on a main machine central shaft of a crushing and screening product of engineering machinery, the bearing and the shaft are in interference fit, the bearing is assembled on the central shaft by a method of hot charging after an inner hole is heated, and the bearing can be firmly fixed on the central shaft after the assembly is completed. When the product runs on the market for a long period, the bearing has the probability of being damaged; there is the incident also during the in-plant assembly, can not continue the assembly because of the jamming when the bearing assembles half position, all need dismantle the bearing under these two kinds of circumstances, because adopt inseparable interference fit between bearing and the axle, very difficult when dismantling the bearing, current general bearing extracting tool specification size and bearing capacity can not satisfy the operation requirement.
In order to solve the technical problem that the conventional method for disassembling the large bearing cannot be used, a disassembling tool for the large bearing needs to be designed, and a jack is matched to finish disassembling the large bearing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a large bearing dismounting tool, which solves the problem that the large bearing cannot be dismounted because the specification size and the bearing capacity of the conventional universal bearing dismounting tool cannot meet the requirements.
The utility model is realized according to the following technical scheme:
a large-scale bearing disassembling tool comprises an upper disc, a plurality of connecting rods and a lower flange; the lower flange is of a split structure and is sleeved on a central shaft positioned at the bottom surface of the bearing so as to push the bearing upwards; the connecting rod connects the upper disc and the lower flange together; and lifting equipment is arranged between the bottom surface of the upper disc and the upper end surface of the central shaft, the upper disc is upwards pushed by the lifting equipment to be away from the upper end surface of the central shaft, and the upper disc drives the lower flange to upwards move through the connecting rod.
The specific scheme is as follows: the upper disc is composed of a circular plate, a reinforcing plate I positioned on the top surface of the circular plate and a reinforcing plate II positioned on the bottom surface of the circular plate.
The preferable scheme is as follows: the reinforcing plate I is composed of a plurality of vertically placed reinforcing plates, and the plurality of vertically placed reinforcing plates are arranged on the top surface of the circular plate in an equilateral triangle structure; the reinforcing plate II is composed of a plurality of horizontally-placed reinforcing plates and a circular ring, the horizontally-placed reinforcing plates are of radiation structures and are arranged on the outer wall of the circular ring, the horizontally-placed reinforcing plates and the circular ring after connection are fixed to the bottom face of the circular plate, and the circle center of the circular ring is coaxially arranged with the center of the circular plate.
The specific scheme is as follows: the lower flange is formed by assembling two semicircular flanges, and the work of dismounting and mounting the lower flange on the central shaft is completed by dismounting and mounting the two semicircular flanges; the semicircular flange comprises a semicircular plate, a reinforcing plate III and a connecting plate; a connecting plate is arranged at the joint of the two semicircular plates and is used for connecting through a fastener; and the reinforcing plate III is arranged on the bottom surface of the semicircular plate.
The preferable scheme is as follows: the connecting plate comprises two connecting blocks; the connecting parts on the two sides of the top surfaces of the two semicircular plates are respectively provided with a connecting block, the connecting blocks span the two semicircular plates, and the connecting blocks are fixed together with the two semicircular plates through fasteners.
The preferable scheme is as follows: the connecting block comprises a long connecting plate, a short connecting plate and a triangular plate; two sides of the top surface of the long connecting plate are respectively provided with a short connecting plate, and a triangular plate is arranged between the two short connecting plates; the short connecting plate, the long connecting plate and the semicircular plate are provided with coaxial unthreaded holes and are connected through a fastener consisting of a bolt and a nut.
The preferable scheme is as follows: the connecting plate comprises four rectangular plates provided with unthreaded holes; the junction of semicircle board bottom surface both sides respectively is equipped with a rectangular plate, splices the back at two semicircle boards, and the unthreaded hole on two rectangular plates with one side is coaxial, connects through the fastener that bolt, nut constitute.
The preferable scheme is as follows: the reinforcing plate III comprises an arc-shaped plate and a plurality of rib plates; the arc-shaped plate is fixed at the arc-shaped edge of the inner side of the bottom surface of the semicircular plate, and the rib plate is fixed on the bottom surface of the semicircular plate and is also connected with the arc-shaped plate.
The preferable scheme is as follows: the connecting rod is double-ended screw all be equipped with a plurality of coaxial unthreaded holes on last disc and the lower flange, the external screw thread at both ends on the double-ended screw passes in the unthreaded hole and realizes through nut fastening that double-ended screw is connected with last disc and lower flange.
As an optimization scheme of the utility model: and a heightening part is arranged between the lifting equipment and the upper disc or between the lifting equipment and the central shaft and is used for increasing the top stroke of the lifting equipment.
The utility model has the beneficial effects that:
the tool has the advantages that the large-scale bearing can be quickly disassembled, the tool is simple in structure, low in investment cost, high in disassembling speed, high in efficiency, safe and reliable, a customized bearing disassembling tool or disassembling equipment can be replaced, and high cost generated by purchasing special equipment or tools is greatly saved; the tool is an economical and practical large-scale bearing disassembling tool.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a first schematic structural view of a disassembly tool for a large bearing according to the present invention;
FIG. 2 is a schematic structural view of a disassembly tool for a large bearing according to the present invention;
FIG. 3 is a schematic view of a disassembly tool for a large bearing according to the present invention in a first use state;
FIG. 4 is a schematic view of a disassembly tool for a large bearing according to the present invention in a second use state;
FIG. 5 is a schematic view of the upper disc structure of the present invention (a is a schematic view of the top surface, and b is a schematic view of the bottom surface);
FIG. 6 is a schematic diagram of a semicircular plate structure according to the present invention (a is a schematic diagram of a top surface, and b is a schematic diagram of a bottom surface);
FIG. 7 is a schematic view of the structure of the lower flange of the present invention (a is a schematic view of the top surface, b is a schematic view of the bottom surface);
FIG. 8 is a schematic view of the connecting block structure of the present invention;
fig. 9 is a schematic view of the elevating member of the present invention.
The attached drawings are as follows: 1-an upper disc, 2-a connecting rod, 3-a lower flange, 4-a connecting block, 5-a bearing, 6-a central shaft and 7-lifting equipment; 11-circular plate, 12-vertically placed reinforcing plate, 13-horizontally placed reinforcing plate and 14-circular ring; 31-a semicircular plate, 32-a rectangular plate, 33-an arc plate and 34-a rib plate; 41-long connecting plate, 42-short connecting plate and 43-triangular plate.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 3 and 4, a dismounting tool for a large bearing comprises an upper disc 1, a plurality of connecting rods 2 and a lower flange 3; the lower flange 3 is of a split structure and is sleeved on a central shaft 6 positioned at the bottom surface of the bearing 5 so as to push the bearing 5 upwards; the connecting rod 2 connects the upper disc 1 and the lower flange 3 together; have placed between 1 bottom surface of last disc and the 6 up end of center pin and have risen equipment 7, upwards promote disc 1 and keep away from 6 up end of center pin through rising equipment 7, go up disc 1 and drive flange 3 upward movement through connecting rod 2, finally reach the purpose of dismantling the bearing. The disassembling tool is suitable for disassembling a self-aligning roller bearing or a deep groove ball bearing with the diameter of 300mm-600mm and the weight of about 100 kilograms.
A preferred embodiment of the above embodiment is given below with respect to the upper disc:
as shown in fig. 5, the upper disc 1 is composed of a circular plate 11, a reinforcing plate i on the top surface of the circular plate 11, and a reinforcing plate ii on the bottom surface of the circular plate 11.
The preferable scheme is as follows: with continued reference to fig. 5, the reinforcing plate i is composed of a plurality of vertically placed reinforcing plates 12, and the plurality of vertically placed reinforcing plates 12 are arranged at the top surface of the circular plate 11 in an equilateral triangle structure; the reinforcing plate II is composed of a plurality of horizontally-placed reinforcing plates 13 and a circular ring 14, the horizontally-placed reinforcing plates 13 are arranged on the outer wall of the circular ring 14 in a radiation structure, the horizontally-placed reinforcing plates 13 and the circular ring 14 after connection are fixed to the bottom surface of the circular plate 11, and the circle center of the circular ring 14 is coaxially arranged with the center of the circular plate 11.
A preferred embodiment of the above embodiment with respect to the lower flange is given below:
as shown in fig. 6 and 7, the lower flange 3 is formed by assembling two semicircular flanges, and the work of dismounting and mounting the lower flange on the central shaft is completed by dismounting and mounting the two semicircular flanges; the semicircular flange comprises a semicircular plate 31, a reinforcing plate III and a connecting plate; a connecting plate is arranged at the joint of the two semicircular plates 31 and is used for connecting through a fastener; the reinforcing plate iii is mounted on the bottom surface of the semicircular plate 31.
The preferable scheme is as follows: as shown in fig. 7 and 8, the connecting plate includes two connecting blocks 4; the joint parts on both sides of the top surfaces of the two semicircular plates 31 are respectively provided with a connecting block 4, the connecting block 4 spans the two semicircular plates 31, and the connecting block 4 and the two semicircular plates 31 are fixed together through a fastening piece.
The preferable scheme is as follows: as shown in fig. 8, the joint block 4 includes a long joint plate 41, a short joint plate 42, and a triangular plate 43; two sides of the top surface of the long connecting plate 41 are respectively provided with a short connecting plate 42, and a triangular plate 43 is arranged between the two short connecting plates 42; the short connecting plate 42, the long connecting plate 41 and the semicircular plate 31 are provided with coaxial unthreaded holes and are connected by a fastener composed of a bolt and a nut.
As an optimization scheme of the utility model: as shown in fig. 6 and 7, the connecting plate further includes four rectangular plates 32 with light holes; the junction at semicircle board 31 bottom surface both sides respectively is equipped with a rectangular plate 32, splices the back at two semicircle boards 31, and the unthreaded hole on two rectangular plates 32 with one side is coaxial, connects through the fastener that bolt, nut constitute.
The preferable scheme is as follows: as shown in fig. 6 and 7, the reinforcing plate iii includes an arc plate 33 and a plurality of rib plates 34; the arc plate 33 is fixed at the arc edge of the inner side of the bottom surface of the semicircular plate 31, and the rib plate 34 is fixed on the bottom surface of the semicircular plate 31 and is also connected with the arc plate 33.
A preferred embodiment of the above embodiment with respect to the connecting rod is given below:
connecting rod 2 is double threaded screw, all is equipped with a plurality of coaxial unthreaded holes on last disc 1 and lower flange 3, and the external screw thread at both ends passes in the unthreaded hole and realizes through nut fastening that double threaded screw and last disc 1 and 3 lower flanges are connected on the double threaded screw.
As an optimization scheme of the utility model: as shown in fig. 9, a raising member is provided between the hoist 7 and the upper disc 1 or between the hoist 7 and the central shaft 6 for increasing the upward jacking stroke of the hoist 7.
It should be noted that the lifting device 7 is preferably a jack.
The working principle is as follows: as shown in fig. 3 and 4, a jack is placed between the upper end surfaces of the upper disc 1 and the central shaft 6, and a handle of the jack is pulled to vertically move an ejector rod in the middle of the jack upwards so as to push the upper disc 1 to be far away from the upper end surface of the central shaft 6, and the upper disc 1 drives the lower flange 3 to move upwards through a double-head screw, so that the purpose of disassembling the bearing is finally achieved. This frock needs to cooperate the jack to use jointly, when the jack stroke was not enough, can use bed hedgehopping part and jack combination to use.
The bearing disassembling tool comprises the following specific use steps:
firstly, an upper disc and six double-threaded screws are assembled together, and M24 nuts are mounted on the upper side surface and the lower side surface of the upper disc.
Step two, hoisting the assembled tool assembly in the step by using an M16 lifting ring screw, and placing the assembled tool assembly right above the shaft provided with the bearing to ensure that the mounting position of the lower flange is at the lower side of the disassembled bearing; the two semicircular plates are respectively connected with the lower sides of the double-headed screws, M24 nuts are arranged on the upper side and the lower side of the lower flange, and the screwing depth of the adjusting nuts enables the screw installation lengths of the six double-headed screws clamped between the upper disc and the lower flange to be consistent (whether the adjusting lengths are consistent or not needs to be measured in the process, otherwise, a single pull rod is stressed, and the tool has the risk of deformation and breakage).
And step three, assembling the lower flange together by using bolts M16X 70, washers 16 and nuts M16, and then connecting the two semicircular plates together by using two connecting blocks and bolts M16X 90.
And fourthly, placing a jack between the central shaft and the upper disc, placing a corresponding thick plate or a corresponding heightening component on the end faces of the jack and the central shaft according to conditions, and uniformly applying thrust through the jack to pull out the bearing in interference fit from the central shaft.
In conclusion, the utility model solves the problem that the conventional universal bearing disassembling tool cannot disassemble a large-sized bearing when the specification size and the bearing capacity do not meet the requirements, and a large amount of cost is required to be invested if a customized disassembling tool and equipment need to be purchased. The tool has the advantages that the large-scale bearing can be quickly disassembled, the tool is simple in structure, low in investment cost, high in disassembling speed, high in efficiency, safe and reliable, a customized bearing disassembling tool or disassembling equipment can be replaced, and high cost generated by purchasing special equipment or tools is greatly saved; the tool is an economical and practical large-scale bearing disassembling tool.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a dismantlement frock of large-scale bearing which characterized in that:
comprises an upper disc, a plurality of connecting rods and a lower flange;
the lower flange is of a split structure and is sleeved on a central shaft positioned at the bottom surface of the bearing so as to push the bearing upwards;
the connecting rod connects the upper disc and the lower flange together;
and lifting equipment is arranged between the bottom surface of the upper disc and the upper end surface of the central shaft, the upper disc is upwards pushed by the lifting equipment to be away from the upper end surface of the central shaft, and the upper disc drives the lower flange to upwards move through the connecting rod.
2. The large bearing disassembling tool according to claim 1, characterized in that:
the upper disc is composed of a circular plate, a reinforcing plate I positioned on the top surface of the circular plate and a reinforcing plate II positioned on the bottom surface of the circular plate.
3. The large bearing disassembling tool according to claim 2, characterized in that:
the reinforcing plate I is composed of a plurality of vertically placed reinforcing plates, and the plurality of vertically placed reinforcing plates are arranged on the top surface of the circular plate in an equilateral triangle structure;
the reinforcing plate II is composed of a plurality of horizontally-placed reinforcing plates and a circular ring, the horizontally-placed reinforcing plates are of radiation structures and are arranged on the outer wall of the circular ring, the horizontally-placed reinforcing plates and the circular ring after connection are fixed to the bottom face of the circular plate, and the circle center of the circular ring is coaxially arranged with the center of the circular plate.
4. The large bearing disassembling tool according to claim 1, characterized in that:
the lower flange is formed by assembling two semicircular flanges, and the work of dismounting and mounting the lower flange on the central shaft is completed by dismounting and mounting the two semicircular flanges;
the semicircular flange comprises a semicircular plate, a reinforcing plate III and a connecting plate;
a connecting plate is arranged at the joint of the two semicircular plates and is used for connecting through a fastener;
and the reinforcing plate III is arranged on the bottom surface of the semicircular plate.
5. The large bearing disassembling tool according to claim 4, characterized in that:
the connecting plate comprises two connecting blocks;
the connecting parts on the two sides of the top surfaces of the two semicircular plates are respectively provided with a connecting block, the connecting blocks span the two semicircular plates, and the connecting blocks are fixed together with the two semicircular plates through fasteners.
6. The large bearing disassembling tool according to claim 5, characterized in that:
the connecting block comprises a long connecting plate, a short connecting plate and a triangular plate;
two sides of the top surface of the long connecting plate are respectively provided with a short connecting plate, and a triangular plate is arranged between the two short connecting plates;
the short connecting plate, the long connecting plate and the semicircular plate are provided with coaxial unthreaded holes and are connected through a fastener consisting of a bolt and a nut.
7. A large bearing disassembly tool according to any one of claims 4 to 6, characterized in that:
the connecting plate comprises four rectangular plates provided with unthreaded holes;
the junction of semicircle board bottom surface both sides respectively is equipped with a rectangular plate, splices the back at two semicircle boards, and the unthreaded hole on two rectangular plates with one side is coaxial, connects through the fastener that bolt, nut constitute.
8. The large bearing disassembling tool according to claim 4, characterized in that:
the reinforcing plate III comprises an arc-shaped plate and a plurality of rib plates;
the arc-shaped plate is fixed at the arc-shaped edge of the inner side of the bottom surface of the semicircular plate, and the rib plate is fixed on the bottom surface of the semicircular plate and is also connected with the arc-shaped plate.
9. The dismounting tool for the large bearing according to any one of claims 1 to 6, characterized in that: the connecting rod is double-ended screw all be equipped with a plurality of coaxial unthreaded holes on last disc and the lower flange, the external screw thread at both ends on the double-ended screw passes in the unthreaded hole and realizes through nut fastening that double-ended screw is connected with last disc and lower flange.
10. The dismounting tool for the large bearing according to any one of claims 1 to 6, characterized in that:
and a heightening part is arranged between the lifting equipment and the upper disc or between the lifting equipment and the central shaft and is used for increasing the top stroke of the lifting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709275.4U CN215433490U (en) | 2021-07-27 | 2021-07-27 | Large-scale bearing dismantles frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709275.4U CN215433490U (en) | 2021-07-27 | 2021-07-27 | Large-scale bearing dismantles frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215433490U true CN215433490U (en) | 2022-01-07 |
Family
ID=79684417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709275.4U Active CN215433490U (en) | 2021-07-27 | 2021-07-27 | Large-scale bearing dismantles frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215433490U (en) |
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2021
- 2021-07-27 CN CN202121709275.4U patent/CN215433490U/en active Active
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