CN216272829U - Slewing bearing structure for tower crane - Google Patents
Slewing bearing structure for tower crane Download PDFInfo
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- CN216272829U CN216272829U CN202122533945.8U CN202122533945U CN216272829U CN 216272829 U CN216272829 U CN 216272829U CN 202122533945 U CN202122533945 U CN 202122533945U CN 216272829 U CN216272829 U CN 216272829U
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Abstract
The utility model discloses a slewing bearing structure, particularly discloses a slewing bearing structure for a tower crane, and belongs to the technical field of design and manufacture of constructional engineering mechanical parts. The slewing bearing structure for the tower crane can effectively reduce the transportation cost of the slewing bearing assembly. The slewing bearing structure comprises an upper slewing support and a slewing driving mechanism, and further comprises a transportation support protection assembly which is fixedly arranged on a lower panel of the upper slewing support; and in the transportation process of the slewing bearing structure, the slewing driving mechanism is fixedly arranged on the transportation support protection assembly through a driving motor of the slewing driving mechanism.
Description
Technical Field
The utility model relates to a slewing bearing structure, in particular to a slewing bearing structure for a tower crane, and belongs to the technical field of design and manufacture of constructional engineering mechanical parts.
Background
For a slewing bearing assembly of the tower crane, a slewing mechanism reducer is meshed with a gear ring, and a motor is arranged at the upper end of the slewing reducer and exceeds an upper plane of a slewing upper support. During transportation, great care needs to be taken to protect the rotating electric machine from being damaged by impacts. Therefore, when the slewing bearing assembly is transported in a container, the size of the outer package of the slewing bearing assembly is obviously increased, and the transportation cost is obviously increased.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the slewing bearing structure for the tower crane can effectively reduce the transportation cost of the slewing bearing assembly.
The technical scheme adopted for solving the technical problems is as follows: a slewing bearing structure for a tower crane comprises an upper slewing support and a slewing driving mechanism, and further comprises a transportation support protection assembly, wherein the transportation support protection assembly is fixedly arranged on a lower panel of the upper slewing support; and in the transportation process of the slewing bearing structure, the slewing driving mechanism is fixedly arranged on the transportation support protection assembly through a driving motor of the slewing driving mechanism.
Furthermore, the slewing bearing structure also comprises a slewing gear ring and a slewing lower support, and the slewing lower support is arranged below the slewing upper support through the slewing gear ring.
The preferable mode of the scheme is that a transportation sealing clapboard is arranged at the bottom of the rotary lower support, and the bottom of the inner cavity of the rotary lower support is detachably sealed by the transportation sealing clapboard.
Furthermore, the transportation support protection assembly comprises a support plate which is fixedly arranged on a lower panel of the rotation upper support, and a rotation driving mechanism is fixedly arranged on the support plate through a driving motor of the rotation driving mechanism in the transportation process of the rotation support structure.
The preferable mode of the scheme is that the transportation supporting and protecting assembly further comprises a fixing bolt, a connecting bolt hole is formed in the supporting plate, and the driving motor is fixedly mounted on the supporting plate through the connecting bolt hole under the matching of the fixing bolt.
Furthermore, the rotary driving mechanism also comprises a rotary speed reducer, and the rotary speed reducer fixedly arranged on the power output shaft of the driving motor is positioned in a cavity in the rotary lower support in the transportation process of the rotary support structure.
The preferred mode of above-mentioned scheme is, transportation support protection component still include crimping board group and fixing bolt, be provided with connecting bolt hole and slewing reducer and pass the hole or slewing reducer passes the groove in the backup pad, driving motor pass through connecting bolt hole connect admittedly in the backup pad under the cooperation of fixing bolt and crimping board group, slewing reducer who adorns admittedly on driving motor power output shaft passes slewing reducer and passes the hole or slewing reducer passes the cavity in the lower support of gyration behind the groove and lies in.
Furthermore, each group of slewing bearing structure comprises two groups of slewing driving mechanisms, the number of the groups of the transportation support protection assemblies is equal to that of the slewing driving mechanisms, and the corresponding group of the slewing driving mechanisms in the transportation process of the slewing bearing structure is fixedly supported on one group of the transportation support protection assemblies.
The utility model has the beneficial effects that: the technical scheme that this application provided supports on current gyration and gyration actuating mechanism's basis through increasing on the lower panel that supports on the gyration and set up transportation support protection component and constitute new gyration and support on, then in the in-process of slewing bearing structure transportation, make gyration actuating mechanism adorn admittedly through its driving motor transport support protection component on. So alright with effectual reduction driving motor surpass the gyration and support the height of going up the plane, even make driving motor's top be less than the gyration and support the plane on, not only avoided receiving the striking and the emergence of the damage condition in the motor transportation, simultaneously when the collection dress transportation, can also reduce slewing bearing assembly extranal packing size greatly, reach the purpose that reduces the cost of transportation.
Drawings
FIG. 1 is a schematic structural view of a slewing bearing structure for a tower crane according to the present invention in a use state;
FIG. 2 is a schematic structural view of a slewing bearing structure for a tower crane according to the present invention in a transport state;
FIG. 3 is a view taken along the line A of FIG. 2
FIG. 4 is a schematic view of a slewing drive mechanism involved in the slewing bearing structure for a tower crane according to the present invention;
fig. 5 is an assembly schematic diagram of a rotary lower support, a rotary gear ring and a rotary lower support related to the rotary support structure of the utility model.
Labeled as: the device comprises a rotary upper support 1, a rotary driving mechanism 2, a transportation support protection component 3, a driving motor 4, a rotary gear ring 5, a rotary lower support 6, a transportation sealing partition plate 7, a lower panel 8, a rotary speed reducer 9 and a compression joint plate group 10.
Detailed Description
Fig. 1 to 5 show a slewing bearing structure for a tower crane, which can effectively reduce the transportation cost of a slewing bearing assembly. The slewing bearing structure comprises a slewing upper support 1 and a slewing driving mechanism 2, and further comprises a transportation support protection assembly 3, wherein the transportation support protection assembly 3 is fixedly arranged on a lower panel 8 of the slewing upper support 2; in the transportation process of the slewing bearing structure, a slewing driving mechanism 2 is fixedly arranged on the transportation support protection component 3 through a driving motor 4 of the slewing driving mechanism. The technical scheme that this application provided supports on current gyration and gyration actuating mechanism's basis through increasing on the lower panel that supports on the gyration and set up transportation support protection component and constitute new gyration and support on, then in the in-process of slewing bearing structure transportation, make gyration actuating mechanism adorn admittedly through its driving motor transport support protection component on. So alright with effectual reduction driving motor surpass the gyration and support the height of going up the plane, even make driving motor's top be less than the gyration and support the plane on, not only avoided receiving the striking and the emergence of the damage condition in the motor transportation, simultaneously when the collection dress transportation, can also reduce slewing bearing assembly extranal packing size greatly, reach the purpose that reduces the cost of transportation.
In the above embodiment, the combination of the existing slewing bearing structure further includes a slewing gear ring 5 and a slewing lower support 6, the slewing lower support 6 is arranged below the slewing upper support 1 through the slewing gear ring 5, in order to better protect the slewing drive mechanism 2, a transportation sealing plate 7 is further arranged at the bottom of the slewing lower support 6, and the bottom of the inner cavity of the slewing lower support 6 is detachably sealed through the transportation sealing plate 7. And the slewing drive mechanism 2 further comprises a slewing reducer 9, so that the slewing reducer 9 fixedly arranged on the power output shaft of the drive motor can be well protected in a cavity in the slewing lower support 6 in the transportation process of the slewing bearing structure.
Furthermore, the improved structure is mainly used for protecting the driving motor 4 of the rotary driving mechanism 2 in the transportation process, so that the structure is simplified as much as possible, the production, manufacturing and use costs are reduced, and inconvenience is not brought to subsequent use. At this moment, two structural forms for fixing the driving motor 4 can be provided, one transportation supporting and protecting component 3 only comprises a fixing bolt besides a supporting plate, a connecting bolt hole is formed in the supporting plate, and the driving motor 4 is fixedly arranged on the supporting plate through the connecting bolt hole under the matching of the fixing bolt. The other structure is that the transportation support protection component 3 only comprises a compression joint plate group 10 and a fixing bolt besides the support plate, a connecting bolt hole and a rotary speed reducer penetrating hole or a rotary speed reducer penetrating groove are arranged on the support plate, the driving motor 4 is fixedly arranged on the support plate under the matching of the fixing bolt and the compression joint plate group 10 through the connecting bolt hole, and the rotary speed reducer 9 fixedly arranged on a power output shaft of the driving motor penetrates through the rotary speed reducer penetrating hole or the rotary speed reducer penetrating groove and then is positioned in a cavity in the rotary lower support 6.
Simultaneously, according to the slewing drive mechanism 2 that each group slewing bearing structure contained be two sets of actual conditions, this application the transportation supports the group number of protective component 3 and is equivalent with slewing drive mechanism 2's group number, and the fixed support that a set of slewing drive mechanism 2 corresponds in the slewing bearing structure transportation is on a set of transportation supports protective component 3.
To sum up, the slewing bearing that this application provided structural design is simple, processing is convenient, is fit for being used for various slewing bearings.
Concrete examples
The purpose of this application technical scheme is to improve not enough among the background art, designs the mount pad of being convenient for transport.
The technical scheme adopted by the application for solving the technical problem is as follows: and a motor mounting seat plate is welded at a proper position on a lower panel of the rotary upper support by utilizing the internal space of the rotary support. During transportation, the rotary motor is arranged on the seat plate and does not exceed the upper surface of the rotary support. Therefore, the rotary motor is prevented from being collided, and the external packing size of the rotary assembly is reduced.
Example one
The technical scheme of the application is further explained by combining the attached drawings as follows:
as shown in figures 1 to 5, a motor installation seat plate is welded on the lower panel of the upper rotary support, bolts for the rotary motor are installed on the motor transportation seat plate during transportation,
the working state of the rotary support assembly is shown in figure 1, and the transportation state is shown in figure 2, so that the overall dimension is obviously reduced, and meanwhile, the rotary motor is not easy to collide. The purpose of the utility model of the application is achieved.
Claims (8)
1. A slewing bearing structure for a tower crane comprises a slewing upper support (1) and a slewing drive mechanism (2), and is characterized in that: the slewing bearing structure also comprises a transportation support protection component (3), wherein the transportation support protection component (3) is fixedly arranged on a lower panel (8) of the slewing upper support (1); in the transportation process of the slewing bearing structure, a slewing driving mechanism (2) is fixedly arranged on the transportation support protection component (3) through a driving motor (4) of the slewing driving mechanism.
2. The slewing bearing structure for a tower crane according to claim 1, wherein: the slewing bearing structure further comprises a slewing gear ring (5) and a slewing lower support (6), and the slewing lower support (6) is arranged below the slewing upper support (1) through the slewing gear ring (5).
3. The slewing bearing structure for a tower crane according to claim 2, wherein: and a transportation sealing partition plate (7) is arranged at the bottom of the rotary lower support (6), and the bottom of the cavity in the rotary lower support (6) is detachably sealed by the transportation sealing partition plate (7).
4. A slewing bearing structure for a tower crane according to claim 2 or 3, wherein: the transportation supporting and protecting assembly (3) comprises a supporting plate, the supporting plate is fixedly arranged on a lower panel (8) of the rotation upper support (1), and the rotation driving mechanism (2) is fixedly arranged on the supporting plate through a driving motor (4) of the rotation driving mechanism in the transportation process of the rotation supporting structure.
5. The slewing bearing structure for a tower crane according to claim 4, wherein: the transportation supporting and protecting assembly (3) further comprises a fixing bolt, a connecting bolt hole is formed in the supporting plate, and the driving motor (4) is fixedly mounted on the supporting plate through the connecting bolt hole under the matching of the fixing bolt.
6. The slewing bearing structure for a tower crane according to claim 4, wherein: the rotary driving mechanism (2) further comprises a rotary speed reducer (9), and the rotary speed reducer (9) fixedly mounted on a power output shaft of the driving motor is positioned in a cavity in the rotary lower support (6) in the transportation process of the rotary support structure.
7. The slewing bearing structure for a tower crane according to claim 5, wherein: transportation support protection component (3) still include crimping board group (10) and fixing bolt, be provided with connecting bolt hole and gyration reduction gear and pass the hole or gyration reduction gear passes the groove in the backup pad, driving motor (4) pass through connecting bolt hole adorn in the backup pad admittedly under the cooperation of fixing bolt and crimping board group (10), gyration reduction gear (9) adorn admittedly on driving motor power output shaft pass gyration reduction gear and pass the hole or gyration reduction gear passes the cavity that lies in gyration under bracing (6) behind the groove.
8. The slewing bearing structure for a tower crane according to claim 7, wherein: the rotary driving mechanisms (2) contained in each group of rotary bearing structure are two groups, the number of groups of the transportation supporting and protecting components (3) is equivalent to that of the rotary driving mechanisms (2), and a group of rotary driving mechanisms (2) is fixedly supported on a group of transportation supporting and protecting components (3) in the transportation process of the rotary bearing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533945.8U CN216272829U (en) | 2021-10-19 | 2021-10-19 | Slewing bearing structure for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533945.8U CN216272829U (en) | 2021-10-19 | 2021-10-19 | Slewing bearing structure for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216272829U true CN216272829U (en) | 2022-04-12 |
Family
ID=81071057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122533945.8U Active CN216272829U (en) | 2021-10-19 | 2021-10-19 | Slewing bearing structure for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216272829U (en) |
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2021
- 2021-10-19 CN CN202122533945.8U patent/CN216272829U/en active Active
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