CN215171539U - Engineering machine tool rotary platform bearing structure - Google Patents
Engineering machine tool rotary platform bearing structure Download PDFInfo
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- CN215171539U CN215171539U CN202120590238.XU CN202120590238U CN215171539U CN 215171539 U CN215171539 U CN 215171539U CN 202120590238 U CN202120590238 U CN 202120590238U CN 215171539 U CN215171539 U CN 215171539U
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- spring
- rotary platform
- protection
- inner circle
- sealing washer
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Abstract
The utility model discloses an engineering machinery rotary platform supporting structure, which belongs to the technical field of engineering machinery and comprises an outer ring and a rotary support inner ring, wherein a sealing ring is arranged inside the outer ring, a protection component is arranged inside the rotary support inner ring, the protection component comprises a support column, a protection box body, a mass block and a spring, wherein the support column is arranged inside the rotary support inner ring corresponding to the sealing ring, the protection box body is arranged at the upper end of the support column, the spring is symmetrically arranged inside the protection box body, and the mass block is arranged in the middle of the spring; the utility model discloses a set up the protection subassembly, when the outer lane rotated, the horizontal torsional force of production made the mass block remove to the extrusion spring produces the reaction force to the mass block after the spring compression, thereby prevents the mass block and removes, thereby offset the horizontal torsional force that produces when partial outer lane rotates, realized protection supporting structure, improved the security of device.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to engineering machine tool rotary platform supporting structure.
Background
The slewing bearing is the most widely used accessory in machinery, is indispensable in the whole set of equipment, has wide application in entertainment facilities, ports and docks, and various industries of heavy machinery, but when dismantling and installing the slewing bearing, the dismantling rule is followed, otherwise, the slewing bearing is easy to damage.
The prior art has the following problems: in the supporting structure of the engineering machinery rotary platform disclosed in the chinese patent application No. 202020226124.2, the effect of counteracting the transverse torsion force is not obvious, and when the sealing ring needs to be repaired, the sealing ring cannot be taken down quickly, which is inconvenient for the operation of the operator.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an engineering machine tool rotary platform bearing structure has anti horizontal torsional forces strong and easy maintenance's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engineering machine tool rotary platform supporting structure, includes outer lane and slewing bearing inner circle, the inside of outer lane is provided with the sealing washer, the inside of slewing bearing inner circle is provided with the protection subassembly, the protection subassembly includes support column, protection box, quality piece and spring, wherein, the inside of slewing bearing inner circle corresponds the sealing washer and is provided with the support column, the upper end of support column is provided with the protection box, the inside symmetry of protection box is provided with the spring, the centre of spring is provided with the quality piece.
Preferably, the inside of the protection box body is provided with a sliding chute corresponding to the mass block, and two sides of the sliding chute are provided with limiting blocks.
Preferably, the inside of slewing bearing inner circle corresponds the sealing washer and is provided with the maintenance subassembly, the maintenance subassembly is including supporting base, inserted block, connecting block, threaded rod, mount and catch bar, wherein, the inside of slewing bearing inner circle corresponds the sealing washer and is provided with the support base, the inside of supporting the base is provided with the catch bar, one side that the catch bar is close to the sealing washer is provided with the mount, the inside of mount is provided with the threaded rod, the lower extreme of threaded rod is provided with the connecting block, one side that the connecting block is close to the sealing washer is provided with the inserted block.
Preferably, a bearing sleeve is arranged on one side of the threaded rod, which is close to the connecting block.
Preferably, a handle is arranged on one side, away from the fixed frame, of the push rod.
Preferably, the bottom end of the fixing frame close to the sealing ring is provided with an insertion block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the protection subassembly, when the outer lane rotated, the horizontal torsional force of production made the mass block remove to the extrusion spring produces the reaction force to the mass block after the spring compression, thereby prevents the mass block and removes, thereby offset the horizontal torsional force that produces when partial outer lane rotates, realized protection supporting structure, improved the security of device.
2. The utility model discloses a set up the maintenance subassembly, when the live time overlength leads to the sealing washer to come unstuck, can promote the catch bar, make the inserted block insert in the outer lane, later rotate the threaded rod, make the connecting block downstream to make the inserted block press from both sides tight sealing washer, then pull out the catch bar, make the sealing washer break away from the outer lane, thereby make things convenient for operating personnel to carry out operation on next step to the sealing washer, saved operating time.
Drawings
Fig. 1 is a schematic structural view of a protection assembly of the present invention;
FIG. 2 is an enlarged view of the protection assembly of the present invention;
fig. 3 is a top view of the protective assembly of the present invention;
FIG. 4 is a schematic structural view of the maintenance assembly of the present invention
Fig. 5 is an enlarged view of the structure of the maintenance assembly of the present invention.
In the figure: 1. an outer ring; 2. a seal ring; 3. a protection component; 31. a limiting block; 32. a support pillar; 33. a protective box body; 34. a mass block; 35. a chute; 36. a spring; 4. a slewing bearing inner ring; 5. maintaining the assembly; 51. a support base; 52. inserting a block; 53. connecting blocks; 54. a threaded rod; 55. a fixed mount; 56. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a supporting structure of a rotary platform of engineering machinery comprises an outer ring 1 and a rotary bearing inner ring 4, a sealing ring 2 is arranged inside the outer ring 1, a protection component 3 is arranged inside the rotary bearing inner ring 4, the protection component 3 comprises a support column 32, a protection box body 33, a mass block 34 and a spring 36, wherein the support column 32 is arranged inside the rotary bearing inner ring 4 corresponding to the sealing ring 2, the protection box body 33 is arranged at the upper end of the support column 32, the spring 36 is symmetrically arranged inside the protection box body 33, the mass block 34 is arranged in the middle of the spring 36, the mass block 34 is made of plastic steel, when the outer ring 1 rotates, the mass block 34 moves through generated transverse torsional force, so that the spring 36 is extruded, the spring 36 generates reaction force on the mass block 34 after being compressed, so that the mass block 34 is prevented from moving, and partial transverse torque force generated when the outer ring 1 rotates is offset, the protective supporting structure is realized, and the safety of the device is improved.
Specifically, the inside of the protection box 33 is provided with a sliding chute 35 corresponding to the mass block 34, and two sides of the sliding chute 35 are provided with the limiting blocks 31.
By adopting the technical scheme, the limiting block 31 can prevent the spring 36 from being excessively extruded when the transverse torque force generated by rotation is too large, so that the spring 36 is damaged, the effect of protecting the spring 36 is realized, and the safety of the device is improved.
Specifically, the maintenance assembly 5 is arranged in the slewing bearing inner ring 4 corresponding to the sealing ring 2, the maintenance assembly 5 comprises a supporting base 51, an insertion block 52, a connecting block 53, a threaded rod 54, a fixing frame 55 and a push rod 56, wherein the supporting base 51 is arranged in the slewing bearing inner ring 4 corresponding to the sealing ring 2, the push rod 56 is arranged in the supporting base 51, the fixing frame 55 is arranged on one side, close to the sealing ring 2, of the push rod 56, the threaded rod 54 is arranged in the fixing frame 55, the connecting block 53 is arranged at the lower end of the threaded rod 54, and the insertion block 52 is arranged on one side, close to the sealing ring 2, of the connecting block 53.
Through adopting above-mentioned technical scheme, when the live time overlength leads to sealing washer 2 to come unstuck, can promote catch bar 56, make inserted block 52 insert in outer lane 1, later rotate threaded rod 54, make connecting block 53 downstream to make inserted block 52 press from both sides tight sealing washer 2, then pull out catch bar 56, make sealing washer 2 break away from outer lane 1, thereby make things convenient for operating personnel to carry out operation on next step to sealing washer 2, saved operating time.
Specifically, a bearing sleeve is arranged on one side of the threaded rod 54 close to the connecting block 53.
By adopting the technical scheme, the threaded sleeve can enable the threaded rod 54 to rotate, and the rotating stability is improved.
Specifically, a handle is arranged on one side of the pushing rod 56 away from the fixing frame 55.
Through adopting above-mentioned technical scheme, the handle can make things convenient for operating personnel to operate catch bar 56, has improved the convenience of operation.
Specifically, the bottom end of the fixing frame 55 close to the sealing ring 2 is provided with an insertion block 52.
By adopting the technical scheme, the inserting block 52 arranged at the bottom end can be accurately inserted into the gap generated by the outer ring 1 and the sealing ring 2, and the inserting accuracy is improved.
The utility model discloses a theory of operation and use flow: when the utility model is used, when the outer ring 1 rotates, the generated transverse torsional force makes the mass block 34 move, so as to extrude the spring 36, the spring 36 generates reaction force to the mass block 34 after being compressed, thereby preventing the mass block 34 from moving, offsetting partial transverse torsional force generated when the outer ring 1 rotates, realizing the protection supporting structure and improving the safety of the device;
when the use time is too long and the sealing ring 2 is degummed, the push rod 56 can be pushed to enable the insertion block 52 to be inserted into the outer ring 1, then the threaded rod 54 is rotated to enable the connection block 53 to move downwards, so that the insertion block 52 clamps the sealing ring 2 tightly, then the push rod 56 is pulled out, the sealing ring 2 is separated from the outer ring 1, the operation of the sealing ring 2 by an operator is facilitated, and the working time is saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an engineering machine tool rotary platform bearing structure, includes outer lane (1) and slewing bearing inner circle (4), its characterized in that: the inside of outer lane (1) is provided with sealing washer (2), the inside of slewing bearing inner circle (4) is provided with protection subassembly (3), protection subassembly (3) are including support column (32), protection box (33), quality piece (34) and spring (36), wherein, the inside of slewing bearing inner circle (4) corresponds sealing washer (2) and is provided with support column (32), the upper end of support column (32) is provided with protection box (33), the inside symmetry of protection box (33) is provided with spring (36), the centre of spring (36) is provided with quality piece (34).
2. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the protection box body (33) is internally provided with a sliding groove (35) corresponding to the mass block (34), and two sides of the sliding groove (35) are provided with limiting blocks (31).
3. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the utility model discloses a rotary support inner circle, including slewing bearing inner circle (4), sealing washer (2) are provided with maintenance subassembly (5) to the inside of slewing bearing inner circle (4), maintenance subassembly (5) is including supporting base (51), inserted block (52), connecting block (53), threaded rod (54), mount (55) and catch bar (56), wherein, slewing bearing inner circle (4) inside corresponds sealing washer (2) and is provided with supporting base (51), the inside of supporting base (51) is provided with catch bar (56), one side that catch bar (56) are close to sealing washer (2) is provided with mount (55), the inside of mount (55) is provided with threaded rod (54), the lower extreme of threaded rod (54) is provided with connecting block (53), one side that connecting block (53) are close to sealing washer (2) is provided with inserted block (52).
4. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 3, wherein: and one side of the threaded rod (54) close to the connecting block (53) is provided with a bearing sleeve.
5. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 3, wherein: and a handle is arranged on one side of the push rod (56) far away from the fixed frame (55).
6. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 3, wherein: the bottom end of the fixing frame (55) close to the sealing ring (2) is provided with an inserting block (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590238.XU CN215171539U (en) | 2021-03-23 | 2021-03-23 | Engineering machine tool rotary platform bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590238.XU CN215171539U (en) | 2021-03-23 | 2021-03-23 | Engineering machine tool rotary platform bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171539U true CN215171539U (en) | 2021-12-14 |
Family
ID=79352510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120590238.XU Active CN215171539U (en) | 2021-03-23 | 2021-03-23 | Engineering machine tool rotary platform bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171539U (en) |
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2021
- 2021-03-23 CN CN202120590238.XU patent/CN215171539U/en active Active
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